KR102851163B1 - Caravan structure including glass structure - Google Patents

Abstract

The present invention relates to a caravan structure including a glass structure, comprising a caravan housing having a space available for a user inside and a plurality of movable wheels on the lower side, wherein the housing has a connecting portion provided at one end to be connected to a vehicle and movable to the caravan; a first window structure that can be opened and closed on one side, a second window structure that can be opened and closed on the other side, and an entrance structure, wherein the entrance structure includes an entrance door that allows a person to enter and exit, and the side of the housing is characterized by having a front glass structure.

Description

Caravan structure including glass structure

The present invention relates to a caravan structure including a glass structure, and more particularly, to a control system for a caravan having one cross-section formed of a tempered glass panel.

A caravan is a mobile living space that provides mobility while also serving as a temporary accommodation to enable daily life. It is mainly towed by a vehicle and provides convenience and comfort to users during outdoor activities such as traveling or camping.

Meanwhile, the interior of the caravan is comprised of a kitchen, bedroom, and bathroom, allowing users to experience the comfort of home. It is also mobile, allowing users to easily move to their desired location, and offering the advantage of living close to nature.

Furthermore, caravans are manufactured in various shapes and sizes, taking into account their structure and functionality, and can be customized according to the user's needs and purposes. In order to efficiently organize rest and living spaces, the design of caravans has evolved toward maximizing space utilization.

However, conventional caravans have a problem in that strong sunlight directly enters the interior, increasing the internal temperature and failing to protect the user's privacy due to the general glass structure that cannot control transparency. In addition, it is difficult to properly control the internal environment according to external conditions, which can cause inconvenience to the user, and there is a limitation that the comfort of the internal space is reduced, especially when used in high temperature or high-light environments.

The present invention is to improve the performance of the caravan and the above-mentioned problems, and thanks to the front glass structure whose transparency is adjusted by receiving an electric signal, the user can create a comfortable internal environment while maintaining internal privacy according to changes in the external environment, and through this, it also contributes to preventing strong sunlight from directly entering and suppressing the rise in internal temperature.

In addition, the transparency of the windshield can be automatically adjusted through a sensor unit that measures the surrounding environment including temperature and illuminance, thereby optimizing the internal environment without the user having to operate it directly.

The present invention provides a caravan structure including a full-glass structure that provides additional view blocking and sunlight blocking functions through an electric blind installed on the inner upper surface of the windshield and an electric sunshade installed on the outer upper surface, thereby further improving the user's privacy and the comfort of the internal environment, thereby enabling the user to live more comfortably and with guaranteed privacy in various environments.

According to one embodiment of the present invention, a caravan structure including a glass structure comprises a caravan housing having a space available to a user inside and a plurality of movable wheels on the lower side, wherein the housing comprises a connecting portion provided at one end to be connected to a vehicle and movable to the caravan; a first window structure that can be opened and closed on one side, a second window structure that can be opened and closed on the other side, and an entrance structure, wherein the entrance structure includes an entrance door that allows a person to enter and exit, and the side of the housing is characterized by having a front glass structure.

The above windshield structure includes an inner surface coated with an electrochromic material whose transparency is adjusted when receiving an electric signal, a battery for supplying power to the coated surface of the windshield structure, a control device for adjusting the intensity of the electric signal in response to a user operation, and a sensor unit for measuring the surrounding environment including temperature and illuminance; and characterized in that when at least one of the temperature and illuminance measured from the sensor unit exceeds a preset reference value, the intensity of the electric signal is strengthened to control the transparency of the windshield structure to be lowered.

It is characterized by including an electric blind installed on the inner upper surface of the windshield to block external view, and further including an electric sunshade device installed on the outer upper surface of the windshield to block sunlight.

The sensor unit detects the entry and exit of a person in an upper area where the center of the entrance door is located, and the entrance door includes a plurality of light-emitting elements attached in a preset pattern, and a first light-emitting element among the plurality of light-emitting elements emits light and maintains a light-emitting state when a first person entering through the entrance door is detected by the sensor unit, a second light-emitting element among the plurality of light-emitting elements emits light and maintains a light-emitting state when a second person entering through the entrance door is detected, and when the second person exits the entrance door, the first light-emitting element is turned off, and the sensor unit detects that a caravan has entered a bus-only lane by recognizing a color of a road lane and a road sign below, and transmits this to a highway tollgate management system if the counted number of passengers does not meet the bus-only lane entry requirements.

The above control unit detects the stress change in the frame structure of the vehicle and caravan in real time by placing a body deformation detection sensor (Fiber Bragg Grating, FBG sensor) at key points inside the vehicle frame including the front subframe, the rear subframe, and the main body frame, sampling the frame strain (ε) data collected from the FBG sensor at a cycle of 30 Hz, generating and accumulating a multidimensional stress-strain matrix, classifying the collected strain data as 1000 μstrain or less as a normal state, determining it as a fatigue stress accumulation section if it is 1000 to 3000 μstrain, and setting it to immediately analyze the vehicle driving pattern by detecting it as a dangerous state if it exceeds 3000 μstrain, and identifying the frame strain change together with the driving data including the vehicle speed (V), acceleration (a), and driving distance (d) through a multivariate stress regression model including the stress change rate over time (dσ/dt), and when the frame stress change rate exceeds 200 MPa/s in the speed section of 80 km/h or more, the stress inside the vehicle frame When it is determined that a concentrated phenomenon has occurred and the frame strain (dε/dt) is identified to be greater than 500 μstrain/s during high-speed driving, a piezoelectric vibration damping actuator is activated to adjust the dynamic stiffness of the frame for vehicle driving safety, and when the frame strain change pattern increases asymmetrically in a speed bump or uneven section, an active shock absorption system that adjusts the impact recovery speed is set to operate, and when vehicle load data including occupant and cargo load and road condition data are identified together, frame stiffness adjustment is not performed when the vehicle load is 1000 kg or less, and when the frame stiffness is increased by 5% in the range of 1000 kg to 1500 kg, a shape memory alloy-based frame structure adjustment device that differently adjusts the individual frame stiffness corresponding to the load distribution is activated to optimize the stress distribution within the frame.

The above control unit, which includes 3D LiDAR sensors and ultrasonic sensors for optimizing space utilization inside vehicles and caravans, places indoor motion detection sensors at key points inside the vehicle, including the entrance, kitchen, sleeping area, and bathroom, samples the movement path of passengers at 30-second intervals to identify changes in space occupancy using the time-based weighted moving average (EMA) technique, determines that a specific space has a major movement path if the average occupancy rate per minute is 70% or higher, and detects that the space is being utilized inefficiently if it is 30% or lower, and activates an automatic furniture rearrangement recommendation system that changes the arrangement of the furniture if the occupancy rate of a specific area is maintained at 30% or lower and the access frequency of a specific piece of furniture is less than 10%, and displays this on the vehicle's dashboard, and if multiple people are active indoors at the same time, classifies the location coordinate data of passengers using a multi-Gaussian mixture model (GMM) to perform cluster analysis, and sets a specific area to shared space mode if the distribution density of clustered passengers is 2 or more per 3㎡, and sets the space to shared space mode if it is 1 or less per 3㎡. It is characterized by adjusting to personal space, and when multiple users are active in a specific space at the same time, if the possibility of blocking the movement path is 80% or higher by applying a motion prediction algorithm (RNN-based motion model), it performs automatic furniture rearrangement recommendations, and in order to optimize the utilization of the seat, it identifies the movement path and seat seating frequency data by body type of the passenger using a multidimensional array analysis technique, and when the seat seating frequency is less than 30% and overlaps with the surrounding movement path, it suggests through the dashboard to fold or move the seat, and when the seat usage pattern remains asymmetric, it activates a variable seat recommendation system that recommends seat cushion stiffness adjustment (suspension adjustment based on Ks=f(m,θ)) and personalized seat tilt settings based on the seating pattern.

The above control unit evaluates the activity type and fatigue of the passenger in real time, and activates an automatic fatigue management system that adjusts the lighting, seat tilt, and noise environment according to the passenger's accumulated fatigue level while driving, and places an IMU sensor (inertial measurement unit) that detects the passenger's body movement inside the seat, converts the passenger's movement data into a multidimensional motion vector including three-axis acceleration (x, y, z) and angular velocity (ω), and applies a machine learning-based Hidden Markov Model (HMM) algorithm to classify the passenger's indoor activity pattern (sleep, seat movement, and operating movements). If the passenger has not moved for an average of 5 minutes or more and the probability of being classified as a sleep state is 85% or higher, the indoor illumination is automatically reduced to 200 Lux or less, and if the passenger maintains the same posture for 30 minutes or more and only a slight movement (∑|dx|+|dy|+|dz|<0.01m) is detected, the seat tilt is increased by 3 degrees, the frequency of the passenger's movement is drastically reduced, and the heart rate (HR) is lower than the reference value. If it increases by more than 15%, it is judged to be a state of stress and activates white noise and indoor air conditioning system. If multiple passengers are active indoors, a Bayesian network model is applied to independently analyze individual fatigue levels. If the accumulated fatigue score of the passengers exceeds a certain standard, the vibration warning of the seat is activated to encourage movement of the body at regular intervals. The window ventilation mode is automatically activated to improve indoor air quality. If continuous fatigue accumulation is detected, a fatigue warning message for the passengers is output on the driver's instrument panel.

The above control unit includes an AI-based adaptive environmental control system that automatically learns and adjusts the indoor environment based on user interaction data inside the vehicle and caravan, and applies a reinforcement learning-based Q-Learning algorithm that learns the indoor illumination, temperature, humidity, ventilation status, and the user's operating frequency, and updates the environmental values to automatically adjust the illumination under the same conditions when the user manually adjusts the illumination more than five times in a specific environment, activates the automatic ventilation mode under the same circumstances when a pattern of adjusting the air conditioning system is detected after the user manually opens the window more than three times, and when the user manually changes the temperature by more than 3 degrees while the temperature inside the vehicle is outside a specific range, the AI model learns the environment and automatically controls to maintain an appropriate temperature when the same conditions occur again, and applies an occupant profiling model to individually analyze the user's preference patterns to provide a customized indoor environment for each occupant, and vectorizes the occupant's average seat position, lighting setting, and temperature control pattern to create an individual profile, and automatically adjusts the default settings of the seat when a specific occupant selects the same seat more than three times, and when the occupant's personal profile is created, the vehicle recognizes the occupant and automatically adjusts the lighting, It optimizes temperature, air conditioning, and seat settings. When there are multiple users in the room, it applies an AI-based multi-user negotiation model to adjust the environmental values. When two or more passengers change the temperature settings individually, it automatically sets a compromised temperature value by adjusting the passenger profiles and average values. When there is a large difference in lighting setting preferences between passengers, it activates a segment lighting mode that adjusts individual lighting for each seat by considering the location of each user.

Thanks to the front glass structure that receives electric signals and adjusts its transparency, users can create a comfortable interior environment while maintaining internal privacy according to changes in the external environment. This also helps prevent strong sunlight from directly entering and suppresses the rise in internal temperature.

In addition, the transparency of the windshield can be automatically adjusted through a sensor unit that measures the surrounding environment including temperature and illuminance, thereby optimizing the internal environment without the user having to operate it directly.

By providing additional view blocking and sunlight blocking functions through an electric blind installed on the inner upper surface of the windshield and an electric sunshade installed on the outer upper surface, the privacy of the user and the comfort of the internal environment can be further improved, thereby providing a caravan structure including a full-glass structure that allows the user to live more comfortably and with guaranteed privacy in various environments.

FIG. 1 is a drawing showing an image of an actually implemented caravan structure including a glass structure according to one embodiment of the present invention.
FIG. 2 is a drawing illustrating one side of a caravan structure including a glass structure according to one embodiment of the present invention.
FIG. 3 is a drawing illustrating an internal space of a caravan structure including a glass structure according to one embodiment of the present invention.
FIG. 4 is a drawing illustrating a plurality of light-emitting materials of a caravan structure including a glass structure according to one embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numbers or symbols indicate components that perform substantially the same functions, and the size of each component in the drawings may be exaggerated for clarity and convenience of explanation. However, the technical concept of the present invention and its core components and operations are not limited to the components or operations described in the following embodiments. In describing the present invention, if a detailed description of a known technology or structure related to the present invention is determined to unnecessarily obscure the gist of the present invention, the detailed description will be omitted.

In the embodiments of the present invention, terms including ordinal numbers such as first, second, etc. are used only for the purpose of distinguishing one component from other components, and singular expressions include plural expressions unless the context clearly indicates otherwise. In addition, in the embodiments of the present invention, it should be understood that terms such as “comprise,” “include,” and “have” do not exclude in advance the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof. In addition, in the embodiments of the present invention, a “module” or “part” performs at least one function or operation, may be implemented as hardware or software, or may be implemented as a combination of hardware and software, and may be integrated into at least one module and implemented as at least one processor. In addition, in the embodiments of the present invention, at least one of a plurality of elements refers not only to all of the plurality of elements, but also to each one excluding the rest of the plurality of elements or all combinations thereof. Also, "configured to" can be used interchangeably with, for example, "suitable for," "having the capacity to," "designed to," "adapted to," "made to," or "capable of." "Configured to" does not necessarily mean something is "specifically designed to" in hardware. Instead, in some contexts, the phrase "a device configured to" can mean that the device, in conjunction with other devices or components, is "capable of." For example, the phrase "a processor configured to perform A, B, and C" can mean a dedicated processor for performing the operations (e.g., an embedded processor), or a general-purpose processor (e.g., a CPU or application processor) that can perform the operations by executing one or more software programs stored in a memory device.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. This description is intended to be sufficiently detailed to enable those skilled in the art to easily practice the invention. However, it should be noted that the technical spirit and scope of the present invention are not limited thereby.

FIG. 1 is a drawing showing an image of an actually implemented caravan structure including a glass structure according to one embodiment of the present invention, FIG. 2 is a drawing showing one side of a caravan structure including a glass structure according to one embodiment of the present invention, FIG. 3 is a drawing showing an internal space of a caravan structure including a glass structure according to one embodiment of the present invention, and FIG. 4 is a drawing showing a plurality of light-emitting materials of a caravan structure including a glass structure according to one embodiment of the present invention.

Referring to FIGS. 1 to 4, a caravan structure (10) including a glass structure according to one embodiment of the present invention includes a caravan housing (100) having a space available to a user provided therein and including a plurality of moving wheels on the lower side.

According to one embodiment of the present invention, a caravan housing (100) is a main structure that provides a usable space to a user. It is manufactured from a durable and lightweight material to maximize mobility. The housing is composed of materials such as a polymer composite material, aluminum, or lightweight steel, which reduces the overall weight of the caravan and simultaneously ensures structural stability. The shape of the housing is designed with aerodynamic characteristics in mind, so that it can be implemented to minimize air resistance during movement and improve fuel efficiency.

The exterior of the caravan housing (100) according to one embodiment of the present invention can be provided in various designs and colors according to the user's taste and purpose of use. For example, the exterior surface treatment is finished with a coating having excellent UV resistance to minimize discoloration or damage even after long-term use, and the interior of the housing can be appropriately treated with an insulating material to protect the internal temperature from external climate conditions and maintain a comfortable living space for the user.

In addition, the caravan housing (100) according to one embodiment of the present invention includes a plurality of moving wheels on the lower side, and these moving wheels can be made of a rubber material to have wear resistance and shock absorption capabilities.

According to one embodiment of the present invention, a housing includes a connecting portion (110) that is connected to a vehicle at one end and is arranged to be moved to the caravan.

A connecting portion (110) according to one embodiment of the present invention safely connects a caravan to a vehicle so that it can be moved, and the connecting portion (110) has a structure that can be flexibly adjusted to fit the towing devices of various vehicles, and can be implemented to ensure the stability of the caravan even during high-speed driving due to its sturdy material and design.

The shape of the connecting portion (110) according to one embodiment of the present invention is spherical or rectangular to be compatible with the rear towing hitch of a vehicle, and includes a locking mechanism using a lever or pin for easy connection and release, thereby enabling a user to easily connect and disconnect the caravan from the vehicle.

Meanwhile, the connecting member (110) according to the present invention is made of a durable material, such as high-strength steel or aluminum alloy, which allows it to withstand the heavy load of the caravan body, is corrosion-resistant, and maintains its shape and function even after long-term use. Furthermore, rubber or other shock-absorbing materials may be additionally used to reduce shock and vibration.

Meanwhile, the connecting portion (110) according to the present invention may also include various additional functions for safety, including a safety chain, an electrical connecting plug (for linking the caravan with the vehicle's brake lights, turn signals, etc.), and an emergency release device for disconnection in an emergency, and may be implemented to provide essential stability and reliability when a user uses the caravan under various road conditions and environments.

A housing according to one embodiment of the present invention includes a first window structure (120) that can be opened and closed on one side and a second window structure (130) that can be opened and closed on the other side.

According to one embodiment of the present invention, the first window structure (120) is positioned on one side of the housing, and the second window structure (130) is positioned on the other side to support optimized inflow of natural light and efficient space ventilation.

The first window structure (120) and the second window structure (130) according to the present invention are made of durable materials such as tempered glass with transparency and stability or high-performance polycarbonate that is lightweight and provides high impact resistance, so that they are impact-resistant and protect the interior from the external environment, and also have a UV radiation blocking function, so that they can be implemented so that discoloration or damage is reduced even when exposed to the sun for a long period of time.

The shape of the window structure is usually square or circular and can be custom made to match the design of the caravan. The windows can be designed as sliding, hinged or removable and can include an intuitive operating mechanism to allow the user to open and close them easily.

Meanwhile, the first window structure (120) and the second window structure (130) according to one embodiment of the present invention may also include an integrated window sealing system to enhance protection from external weather conditions and minimize the intrusion of rain, wind, and external noise, thereby maintaining a comfortable living environment inside the caravan.

Additionally, the window structure according to one embodiment of the present invention may be equipped with built-in blinds or curtains for privacy and light control, such accessories allowing the user to protect the privacy of the interior space and control the amount of natural light.

An entrance structure according to one embodiment of the present invention includes an entrance door (141) that allows people to enter and exit inside a caravan.

The entrance door (141) according to the present invention allows caravan users to move inside and outside safely and conveniently, and the entrance door (141) is made of metal, reinforced glass, high-strength plastic, etc. in consideration of safety, durability, and insulation properties, which ensures the sturdiness of the entrance door and protects the interior from the external environment.

The access door (141) according to the present invention may have multiple functions added to increase the convenience of the user and the energy efficiency of the caravan, for example, an electronic lock with an automatic locking and unlocking function may be included to allow the user to control the door via a smartphone or remote control device, and the access door (141) may also have built-in insulation to help maintain the temperature inside the caravan, which helps reduce the consumption of cooling or heating energy, and the insulation function of the access door (141) plays an important role in maintaining a comfortable interior environment of the caravan, especially under extreme weather conditions.

Additionally, the entrance door (141) is designed to connect the interior and exterior, providing sufficient size and openness to allow easy entry and exit for users. This is particularly useful when users are carrying luggage. The design of the entrance door (141) should be determined with the user's convenience and safety as top priorities, while harmonizing with the overall exterior of the caravan.

According to one embodiment of the present invention, a caravan housing (100) may have a side structure with a front glass structure.

The windshield structure according to one embodiment of the present invention can be manufactured mainly with tempered glass or laminated glass to provide transparency and high strength, and the tempered glass according to the present invention is manufactured by first heating ordinary glass to a high temperature and then rapidly cooling it to have a high compressive stress inside, and the tempered glass manufactured through this has much higher impact resistance than ordinary glass, and when broken, it shatters into small pieces with rounded edges rather than large, sharp pieces, thereby reducing the risk of injury. Meanwhile, the laminated glass according to the present invention has a structure in which a plastic layer is sandwiched between two or more pieces of glass and bonded by applying heat and pressure, so that even when broken, the plastic layer in the middle holds the pieces of glass, thereby increasing safety, and such a windshield structure provides high transparency, allowing the user to clearly see the external environment, while maintaining durability and safety even under strong impact or extreme environmental conditions.

A windshield structure according to one embodiment of the present invention can be implemented by having an inner surface coated with an electrochromic material whose transparency is adjusted when receiving an electric signal.

The electrochromic material according to the present invention is a material whose optical properties change when receiving a specific electric signal, thereby controlling transparency. The color or transparency of the material changes depending on the intensity of the electric signal, thereby controlling visibility from inside and the degree of blocking of light from outside.

For example, during the day when there is strong sunlight, the amount of light entering the room can be reduced by increasing the intensity of the electric signal and lowering the transparency of the glass, and conversely, at night or on a cloudy day, the electric signal can be weakened and the transparency can be increased, thereby maximizing the amount of natural light entering the room. Meanwhile, the windshield structure according to the present invention may include a battery for supplying power, a control device that can adjust the intensity of the electric signal by a user's operation, and a sensor unit that can measure the illuminance or temperature of the surrounding environment, and through this, the user can easily automatically or manually adjust the comfort and privacy of the indoor environment.

A windshield structure according to one embodiment of the present invention includes a battery for supplying power to a coating surface of the windshield structure.

The battery according to the present invention serves to provide the electric energy required for the operation of the electrochromic material applied to the windshield. The electrochromic material changes color or transparency by receiving an electric signal, and a stable power supply is essential to generate and control such a signal.

The battery according to the present invention may be a lithium ion battery or a lithium polymer battery that is rechargeable and has high energy density and long-term use. For example, a lithium ion battery provides a high capacity to weight ratio and has the advantage of not significantly degrading in performance over thousands of charge and discharge cycles. The battery may be integrated into the windshield structure or installed separately in a location accessible to the user, and may be easily recharged using an external charger as needed.

The battery system of the windshield structure according to the present invention can be connected to a control device to allow the user to adjust the transparency of the electrochromic material. The user can send commands to the control device via a switch, dial, touchscreen interface, or smartphone app, which then transmits an electrical signal from the battery to the electrochromic material of the windshield. These settings can help optimize interior lighting conditions, protect privacy, and minimize energy consumption.

A windshield structure according to one embodiment of the present invention includes a control device that adjusts the intensity of an electric signal in response to a user's operation, wherein the control device adjusts the transparency of an electrochromic material applied to the windshield based on the user's input. In response to a command transmitted by the user through the control device, the control device adjusts the intensity of an electric signal transmitted from a battery to the electrochromic material of the windshield.

A control device according to one embodiment of the present invention can be implemented in various forms, for example, receiving commands via a physical button, a rotary dial, a touchscreen interface, or a smartphone app using wireless communication. Through these interfaces, a user can easily adjust the transparency of the windshield to a desired level. For example, through the touchscreen interface, a user can finely adjust the strength of an electrical signal by adjusting a slider bar, allowing for precise control of the transparency of the windshield.

Additionally, a control device according to one embodiment of the present invention can provide an automatic adjustment function based on input from a sensor unit. For example, when connected to an external light sensor, the device can automatically adjust the intensity of an electrical signal based on external brightness to optimize indoor lighting conditions. This automated function enhances user convenience and contributes to maximizing energy efficiency.

A windshield structure according to one embodiment of the present invention includes a sensor unit that measures the surrounding environment, including temperature and illuminance. The sensor unit detects various elements of the surrounding environment and transmits the corresponding information to a control device. The sensor unit may include a temperature sensor and an illuminance sensor. The temperature sensor detects changes in the surrounding temperature, and the illuminance sensor detects the brightness of the surrounding light.

The temperature sensor according to the present invention can utilize various principles (e.g., thermocouples, resistance temperature detectors (RTDs), semiconductors) that convert heat into an electrical signal, can be installed inside or outside a caravan, and precisely measure changes in ambient temperature. The light sensor converts light intensity into an electrical signal to detect lighting conditions in the surrounding environment, and can be implemented using optoelectronic materials to detect the intensity of not only natural light but also artificial light.

Meanwhile, information collected through the sensor unit according to one embodiment of the present invention is used to adjust the transparency of the electrochromic material of the windshield. For example, when the sensor unit detects strong illuminance, the control device automatically lowers the transparency of the windshield based on this information to reduce the amount of light entering the interior, and when a high temperature environment is detected, similar measures can be taken to prevent an increase in the interior temperature, thereby optimizing the interior environment of the caravan without the user having to directly operate it.

That is, the sensor unit (150) according to the present invention can implement an intelligent caravan structure that can automatically control the indoor environment while minimizing interaction between the user and the system, maintaining the comfort of the indoor environment, maximizing energy efficiency, and thereby controlling the indoor environment.

According to one embodiment of the present invention, the windshield structure can be controlled to lower the transparency of the windshield structure by strengthening the intensity of an electric signal when at least one of the temperature and illuminance measured from the sensor unit (150) exceeds a preset reference value.

That is, the sensor unit (150) according to one embodiment of the present invention continuously monitors the surrounding temperature and illuminance, and this information is transmitted to the control device, which analyzes this and reacts immediately when the input from the sensor unit (150) exceeds a predetermined reference value.

For example, when the sensor unit (150) detects that the temperature exceeds 30 degrees or the illuminance exceeds a specific lux value, the control device increases the intensity of the electric signal transmitted to the electrochromic material of the windshield, which changes the color or transparency of the electrochromic material to block more light, thereby preventing the indoor temperature from rising and protecting the interior from strong sunlight. The intensity of the electric signal is automatically adjusted according to a standard preset by the user, and no additional input or operation by the user is required during this process. This automatic control system plays an important role in maintaining a comfortable indoor environment, and particularly improves the user experience under high temperature or strong illuminance conditions. In addition, this system also has the effect of improving energy efficiency, and helps to minimize the amount of cooling or heating required by adjusting the transparency of the windshield.

A caravan structure including a glass structure according to one embodiment of the present invention includes an electric blind provided on the inner upper surface of the front glass to block external view.

The electric blind according to the present invention is a window covering device that can be automatically opened and closed using an electric motor, and the blind's raising and lowering can be controlled through button operation or remote control without manual operation. The electric blind is available in various types and materials, and can be selected according to a specific usage environment or user preference. For example, there are blinds made of various materials such as fabric, wood, and metal, and they can be implemented with various functions such as materials with adjustable transparency and opaque materials for complete blocking.

According to one embodiment of the present invention, an electric blind is installed to protect the user's privacy and control the indoor environment. The user can adjust the position of the blind using a button or a smartphone app, thereby controlling the amount of natural light entering the room or blocking external views. For example, when relaxing or engaging in personal activities indoors, the electric blind can be lowered to utilize the view-blocking function. Conversely, when brightening the room, the blind can be raised to maximize natural light.

Furthermore, the electric blind according to the present invention can be designed to operate automatically in conjunction with a sensor unit (150). For example, if a light sensor installed inside the caravan detects a certain level of light or higher, the blind can automatically lower to suppress the rise in indoor temperature or protect against strong sunlight. In this way, the electric blind enhances user convenience and plays a significant role in maintaining privacy and a pleasant environment inside the caravan.

A caravan structure including a glass structure according to one embodiment of the present invention includes an electric sunshade device provided on the outer upper surface of the windshield to block sunlight.

An electric awning device according to one embodiment of the present invention is an external awning system that automatically opens and closes using an electric motor, effectively blocking strong sunlight or UV radiation to prevent an increase in indoor temperature and protect indoor furniture or flooring.

Meanwhile, the electric awning device according to one embodiment of the present invention can be implemented as a roller type, a louver type, a folding arm type, etc., and the material is also diverse, so that a waterproof fabric, a metal louver, a translucent material, etc. can be used.

According to one embodiment of the present invention, a motorized sunshade device can be manufactured from a durable material suitable for the external environment of a caravan, and the user can automatically open and close the sunshade device using a button operation or a smartphone app, thereby controlling the amount of sunlight entering the caravan interior. For example, under strong daytime sunlight, the motorized sunshade device can be unfolded to maximize the sun blocking effect, and on cloudy days or in the evening, the sunshade device can be folded to allow more natural light into the interior.

In addition, the electric awning device can improve the energy efficiency of the caravan, reduce the use of cooling devices such as air conditioners by blocking sunlight and suppressing the rise in interior temperature, increase user convenience, maintain a pleasant environment inside the caravan, and extend the life of the interior decoration.

An entrance door structure (140) according to one embodiment of the present invention includes a sensor unit (150) that detects the entry and exit of a person in an upper region where the center of the entrance door (141) is located, and the entrance door (141) may include a plurality of light-emitting elements (160) attached to an outer surface in a preset pattern, for example, a pattern arranged in a row, a circular pattern, etc.

A sensor unit (150) provided in the center of a circular frame of a door structure (140) according to one embodiment of the present invention can detect a user's approach to the door and perform a function of controlling the opening and closing of the door or providing a visual or auditory signal to the user.

Meanwhile, the sensor unit (150) according to the present invention can utilize various sensor technologies, for example, an infrared sensor, a motion sensor, or an ultrasonic sensor can be used, and these sensors have the ability to precisely detect human movement, and greatly improve convenience and safety when using the door.

The design of the sensor unit (150) is to be built into the structure of the door or attached to the outside in a fine manner so as to be in harmony with the overall design of the door structure (140) to minimize visual interference with the user, and furthermore, the battery life, detection range, and response speed of the sensor unit (150) can be preset to optimize user convenience.

The sensor unit (150) of the door structure (140) according to one embodiment of the present invention may include a function for precisely counting the entry and exit of people, thereby monitoring the number of times people enter and exit the caravan, and providing data for controlling the internal environment or taking safety and security-related measures as needed.

Specifically, for example, it can be utilized in a smart environment control system that controls the operation of an air conditioner or heating system based on the number of people inside a caravan. At this time, the sensor unit (150) increases the counter each time it detects the entry and exit of a person through the door, and this information is transmitted to the internal climate control system, which controls the temperature to be maintained appropriate for the number of people inside.

In the case where the sensor unit (150) according to the present invention is implemented as an infrared sensor, the infrared sensor installed at the top of the door detects infrared rays emitted from a human body to recognize entry and exit, and at this time, by giving directionality to the sensed value, it can distinguish entry and exit, and records each event in a counter.

When the sensor unit (150) according to the present invention is implemented as a motion sensor, the motion sensors installed around the entrance door detect movement and determine the entry and exit of a person. The motion sensor can cover a particularly wide area and accurately detect even rapid movement through the entrance door.

Meanwhile, the entry/exit data detected from the sensor unit (150) according to one embodiment of the present invention is processed by a microcontroller or smart device to calculate and manage the number of people in real time, and this can be implemented to show the number of people inside to the manager through a user interface and provide a notification so that necessary actions can be taken.

At this time, the sensor unit (150) and counter system can be linked with other smart home devices or a central management system through communication means such as Wi-Fi or Bluetooth, thereby realizing various automation functions based on entry/exit information.

An entrance door (141) according to one embodiment of the present invention may include a plurality of light-emitting elements (160) attached in a preset pattern, and a first light-emitting element among the plurality of light-emitting elements (160) may light up and maintain a light-emitting state when a first person entering the entrance door (141) is detected by the sensor unit (150), a second light-emitting element may light up and maintain a light-emitting state when a second person is detected, and the second light-emitting element may be implemented to turn off when a second person exiting the entrance door (141) is detected. This allows each of the plurality of light-emitting elements (160) to turn on and off in response to the number of people entering and exiting, so that the number of people in the caravan can be easily known from the outside.

An access door (141) according to one embodiment of the present invention may include a plurality of light-emitting elements (160) attached in a preset pattern for the guidance and safety of users. The plurality of light-emitting elements (160) according to the present invention are arranged on the surface of the access door (141), and LEDs (light-emitting diodes) of various colors and brightnesses are mainly used. The plurality of light-emitting elements (160) emit light according to a specific pattern or sequence, thereby providing visual guidance or warnings to users.

A plurality of light emitting elements (160) included in an entrance door (141) according to one embodiment of the present invention serve as a user guide for entry and exit management of the caravan. The plurality of light emitting elements (160) are individually controlled by a sensor unit (150) and are used to visually display the number of people inside and outside the caravan. That is, each light emitting element operates by emitting light when a specific person entering or exiting is detected, maintaining the corresponding state, and turning off the light when the person entering or exiting leaves.

For example, the first light-emitting element lights up and remains in that state when the first person entering the caravan is detected, the second light-emitting element lights up and remains in that state when a second person entering is detected, and conversely, when a person leaving the caravan is detected, the light-emitting element corresponding to that person turns off. In this way, each light-emitting element independently reflects the entry and exit status of the caravan, making it easy to determine the number of people inside the caravan from the outside.

Meanwhile, a plurality of light-emitting elements (160) according to one embodiment of the present invention can be set to various colors in addition to being turned on and off, and can emit light in different colors depending on the entry and exit status. For example, the light-emitting elements can be set to green to indicate a person entering a caravan, and red to indicate a person exiting a caravan. The arrangement of the light-emitting elements can be implemented so as to clearly express the number of people and the entry and exit status by being attached to the surface of the entrance door (141) in a preset pattern.

The counting system through the linkage of a plurality of light-emitting elements (160) and a sensor unit (150) according to the present invention can be particularly usefully used at night or in low-light environments, and contributes to the security and safety management of a caravan. In addition, the use of such light-emitting elements provides visual convenience to caravan users and automates access control, thereby improving the efficiency of caravan operation.

The sensor unit (150) according to one embodiment of the present invention can detect that a caravan has entered a bus-only lane by recognizing the lane color of the road below and road signs. Meanwhile, as described above, the sensor unit (150) according to the present invention is implemented to detect each person entering and exiting the caravan, and display the number of people externally through a plurality of light-emitting elements (160) while simultaneously storing the number internally in the form of a memory.

More specifically, a sensor unit (150) linked to a plurality of light-emitting elements (160) installed in the caravan detects the entry and exit of passengers and calculates the current number of passengers based on this, that is, each time a passenger enters the caravan, a specific light-emitting element lights up to visually indicate the number of passengers counted, and whether the caravan has entered a bus-only lane is detected through GPS and a rear detection camera integrated into the sensor unit (150), and this can be combined with the operating status and location data of the caravan to determine whether the bus-only lane is to be used.

Thereafter, the sensor unit (150) according to the present invention identifies whether the counted number of passengers satisfies the bus-only lane entry requirements, for example, whether there are 6 or more passengers, and if the requirements are not met, the sensor unit (150) transmits this fact to the management system of the highway toll gate through a communication module, and at this time, the communication process can be implemented in real time using LTE, Wi-Fi, or other wireless communication protocols.

Afterwards, the management system of the highway toll gate can analyze the data received from the caravan and automatically proceed with the procedure of imposing a fine by recording the number of passengers along with the caravan's vehicle registration number for vehicles that do not meet the requirements.

That is, the present invention helps caravan operators comply with the regulations for using bus-only lanes, provides a function for traffic management agencies to efficiently manage vehicles that violate the regulations, and thereby contributes to maintaining smooth traffic flow on highways and promoting compliance with traffic laws.

A caravan structure including a glass structure according to one embodiment of the present invention includes a control unit that controls the components as a whole.

A control unit according to one embodiment of the present invention can control various components for the operation of a caravan structure. The control unit may include a control program (or instructions) that enables such control operations to be performed, an inactive memory in which the control program is installed, a volatile memory in which at least a portion of the installed control program is loaded, and at least one processor or CPU (Central Processing Unit) that executes the loaded control program. Furthermore, such a control program may be stored in an external electronic device other than the caravan structure.

The control program may include program(s) implemented in the form of at least one of BIOS, device driver, operating system, firmware, platform, and application program (application). In one embodiment, the application program may be pre-installed or stored during the manufacture of the caravan structure, or may be installed based on data received from an external source during subsequent use. The application program data may be downloaded from an external server, such as an application market, to the platform according to the present invention as an application of the caravan structure or vehicle, but is not limited thereto. Meanwhile, the control unit may be implemented in the form of a device, a software module, a circuit, a chip, or a combination thereof.

According to one embodiment of the present invention, a control unit detects stress changes in the frame structure of a vehicle and a caravan in real time by placing body deformation detection sensors (Fiber Bragg Grating, FBG sensors) at key points inside the vehicle frame, including a front subframe, a rear subframe, and a main body frame, sampling frame strain (ε) data collected from the FBG sensors at a cycle of 30 Hz, generating and accumulating a multidimensional stress-strain matrix, classifying the collected strain data as 1000 μstrain or less as a normal state, determining it as a fatigue stress accumulation section if it exceeds 1000 μstrain and is 3000 μstrain or less as a fatigue stress accumulation section, and setting it to immediately analyze the vehicle driving pattern by detecting it as a dangerous state when it exceeds 3000 μstrain, and identifying frame strain changes together with driving data including vehicle speed (V), acceleration (a), and driving distance (d) through a multivariate stress regression model including a stress change rate over time (dσ/dt), so that the frame stress change rate in a speed section of 80 km/h or more is determined. When it exceeds 200 MPa/s, it is determined that a stress concentration phenomenon has occurred within the vehicle frame, and when the frame strain (dε/dt) is identified to be greater than 500 μstrain/s during high-speed driving, a piezoelectric vibration damping actuator is activated to adjust the dynamic stiffness of the frame for vehicle driving safety, and when the frame strain change pattern increases asymmetrically in a speed bump or uneven section, an active shock absorption system that adjusts the impact recovery speed is set to operate, and when the vehicle load data including the number of passengers and cargo and the road condition data are identified together, when the vehicle load is 1000 kg or less, frame stiffness adjustment is not performed, and when the vehicle load is over 1000 kg but under 1500 kg, the frame stiffness is increased by 5%, and when it exceeds 1500 kg, a shape memory alloy-based frame structure adjustment device that differently adjusts the individual frame stiffness corresponding to the load distribution is activated to optimize the stress distribution within the frame.

According to one embodiment of the present invention, a control unit is configured to measure mechanical stress occurring during vehicle driving by placing body deformation detection sensors (Fiber Bragg Grating, FBG sensors) at key points within a vehicle frame, including a front subframe, a rear subframe, and a main body frame, in order to detect changes in stress within a frame structure of a vehicle and a caravan in real time. The FBG sensor utilizes the principle of reflecting light of a specific wavelength from a Bragg grating within an optical fiber, and has the characteristic that the reflected light wavelength changes according to the deformation of the frame. Through this, when a vehicle is driving at high speed or braking suddenly, stress accumulated within the frame can be measured in real time.

The FBG sensor samples strain (ε) data at a 30Hz frequency, and the sampled data is converted into a multidimensional stress-strain matrix based on the time axis. The converted data is accumulated in real time and used to analyze strain patterns according to the vehicle's driving conditions. If the strain data is 1000μstrain or less, it is classified as a normal state, and if it exceeds 1000μstrain but is 3000μstrain or less, it is determined to be in the fatigue stress accumulation stage. If it exceeds 3000μstrain, it is determined that there is a high possibility of serious deformation of the frame structure, and the vehicle's driving pattern is immediately analyzed.

To quantitatively analyze the stress change in the frame, the stress change rate (dσ/dt) is analyzed using a multivariate stress regression model along with driving data including the vehicle's speed (V), acceleration (a), and driving distance (d). At this time, if the frame stress change rate exceeds 200 MPa/s when the speed is 80 km/h or higher, it is determined that a sudden stress concentration has occurred in a specific section of the vehicle frame, and the piezoelectric vibration damping actuator is immediately activated to adjust the dynamic stiffness of the frame. The piezoelectric actuator generates vibrations at a specific frequency to disperse the structural stress of the vehicle frame, thereby minimizing fatigue damage to the frame even during long-term driving.

When passing over speed bumps or uneven sections, if the strain difference between the front and rear subframes exceeds 20%, the system determines that the frame strain change pattern is asymmetrical and activates the active shock absorption system that adjusts the shock recovery speed. The shock absorption system operates by controlling the frame deformation recovery time by adjusting the hydraulic dampers and pneumatic suspension mounted on the vehicle suspension, effectively mitigating the shock when the vehicle passes over an irregular road surface.

It also includes a feature that optimizes frame rigidity by analyzing vehicle load and road condition data. When the vehicle's occupant and cargo load are analyzed and the total load is 1,000 kg or less, frame rigidity adjustment is not performed. For loads exceeding 1,000 kg and up to 1,500 kg, frame rigidity is increased by 5%. When the load exceeds 1,500 kg, the rigidity of individual subframes is adjusted differently based on load distribution. This is achieved by activating a shape-memory alloy-based frame structural adjustment device.

The shape memory alloy-based frame structural adjustment device utilizes the principle that shape memory alloy (SMA) material is inserted into specific points within the vehicle frame. When electrical stimulation is applied, the material physically changes shape at a specific temperature. When the vehicle load shifts to one side during driving or the frame deforms asymmetrically during sudden braking, the SMA is designed to automatically deform to optimize stress distribution within the frame.

For example, when a vehicle accelerates rapidly, the strain in the rear frame increases, which can lead to a concentrated load. In this case, an SMA-based control device increases the rigidity of the rear frame to suppress deformation, and the same principle can be applied to the front frame. Furthermore, when the vehicle brakes suddenly or is subjected to high lateral forces (forces in the left and right directions) during cornering, the SMA-based control device responds immediately to minimize frame deformation, thereby maintaining vehicle stability.

One embodiment of the present invention utilizes a structure that integrates frame stress analysis, a shock absorption system, and a shape-memory alloy-based adjustment device to ensure that the vehicle frame maintains optimal rigidity even in various driving environments. Those skilled in the art can implement this technology by combining sensor-based real-time data collection, multivariate stress regression modeling, and actuator-based stiffness adjustment technology, enabling its application to various vehicles and caravans.

According to one embodiment of the present invention, a control unit, including a 3D LiDAR sensor and an ultrasonic sensor for optimizing space utilization inside a vehicle and a caravan, places indoor motion detection sensors at key points inside the vehicle, including an entrance, a kitchen, a sleeping area, and a bathroom, samples the movement path of passengers at 30-second intervals to identify changes in space occupancy using a time-based weighted moving average (EMA) technique, determines that a specific space has a major movement path if the average occupancy rate per minute of 70% or more, and detects that the space is being utilized inefficiently if it is 30% or less, and activates an automatic furniture rearrangement recommendation system that changes the arrangement of the furniture if the occupancy rate of a specific area is maintained at 30% or less and the access frequency of a specific furniture is less than 10%, and displays this on the vehicle's dashboard, and when multiple people are active indoors at the same time, classifies the location coordinate data of passengers using a multi-Gaussian mixture model (GMM) to perform cluster analysis, and sets a specific area to a shared space mode if the distribution density of clustered passengers is 2 or more per 3㎡, and sets the specific area to a shared space mode if it is 1 or less per 3㎡. In this case, the space is adjusted to a personal space, and when multiple users are active in a specific space at the same time, if the possibility of blocking the movement path is 80% or higher by applying a motion prediction algorithm (RNN-based motion model), an automatic furniture rearrangement recommendation is performed, and in order to optimize the utilization of the seat, the movement path and seat seating frequency data by the body type of the passenger are identified using a multidimensional array analysis technique, and when the seat seating frequency is less than 30% and overlaps with the surrounding movement path, a suggestion is made through the dashboard to fold or move the seat, and when the seat usage pattern is maintained asymmetrically, a variable seat recommendation system is activated that recommends seat cushion stiffness adjustment (suspension adjustment based on Ks=f(m,θ)) and personalized seat tilt settings based on the seating pattern.

According to one embodiment of the present invention, a control unit is configured to detect and analyze the movement path of passengers in real time by placing indoor motion detection sensors, including 3D LiDAR sensors and ultrasonic sensors, at key points inside the vehicle, including the entrance, kitchen, sleeping area, and bathroom, in order to optimize space utilization inside the vehicle and caravan.

Each sensor records movements occurring inside the vehicle by converting them into three-dimensional spatial coordinates (x, y, z). The sampling cycle is set to 30 seconds to continuously measure changes in space occupancy. The space occupancy data detected in real time is analyzed using the time-based Exponential Moving Average (EMA) technique. This allows for the calculation of predicted space utilization by taking into account continuous fluctuations in space occupancy over a certain period of time.

By analyzing the indoor movement paths of passengers, if the average occupancy rate of a specific space exceeds 70% per minute, the area is considered a major movement path. If the occupancy rate is below 30%, the space is detected as being inefficiently utilized, and the need for interior layout adjustments can be determined based on this. If the occupancy rate of a specific area remains below 30% and a specific piece of furniture (e.g., a table or chair) is accessed less than 10% of the time, the furniture is determined to not affect indoor movement and space utilization, and an automatic furniture rearrangement recommendation system is activated.

The recommendation system notifies the user via the vehicle's dashboard, assesses potential interior layout adjustments, and suggests optimal furniture arrangements. For example, if a chair is placed in a high-traffic area near the kitchen, the system can suggest options such as moving it closer to a wall or replacing it with a retractable chair.

When multiple occupants are active indoors simultaneously, cluster analysis is performed using a multi-Gaussian Mixture Model (GMM) based on occupant location coordinate data. If the clustered occupant density is greater than two per 3m2, a specific area is designated as shared space mode. If the density is less than one per 3m2, the area is designated as private space, enhancing user convenience.

When multiple users are simultaneously active in a specific space, a motion prediction algorithm based on a Recurrent Neural Network (RNN) is applied to assess the likelihood of movement lines being blocked. If the likelihood of blockage exceeds 80%, automatic furniture rearrangement recommendations are made. For example, if the frequency of simultaneous movement of users near the kitchen increases, recommendations are made to fold or move chairs or tables in front of the counter, improving space utilization.

To optimize seat utilization, the passenger's body type-specific movement path and seat seating frequency data are analyzed using a multidimensional array analysis technique. If the seat seating frequency is less than 30% and overlaps with the surrounding movement path, the instrument panel suggests folding or moving the seat. In addition, if the seat usage pattern remains asymmetric, the seat cushion stiffness is adjusted (suspension adjustment based on Ks=f(m,θ)) and a variable seat recommendation system that recommends personalized seat tilt settings based on seating patterns is activated to maintain passenger comfort.

The variable seat recommendation system automatically determines the optimal combination of a passenger's physical condition and seat configuration by learning about seat usage frequency, average body type, and seat recline frequency. For example, if a specific passenger maintains the same seat recline for an extended period of time, that recline can be saved as the default setting and automatically applied to the same passenger in the future.

Additionally, a motorized sliding seat system can be included to automatically adjust the position of individual seats based on the average passenger movement path and seating patterns. This system can automatically move seats when no passengers are present to optimize space, or fix the seating arrangement when a certain number of passengers are seated in a specific area to minimize movement.

This configuration maximizes the utilization of interior space, allows for real-time optimization of interior layout, and includes the ability to actively adjust furniture and seating based on analysis of user movement patterns. To implement this technology, a skilled technician can combine sensor-based indoor data analysis, machine learning-based pattern recognition, and real-time optimization algorithms, enabling applications in a variety of environments.

According to one embodiment of the present invention, the control unit evaluates the activity type and fatigue of the passenger in real time, activates an automatic fatigue management system that adjusts the lighting, seat tilt, and noise environment according to the fatigue accumulation state of the passenger during driving, and places an IMU sensor (inertial measurement unit) that detects the body movement of the passenger inside the seat, converts the movement data of the passenger into a multidimensional motion vector including three-axis acceleration (x, y, z) and angular velocity (ω), and applies a machine learning-based Hidden Markov Model (HMM) algorithm to classify the indoor activity pattern of the passenger (sleep, seat movement, and operating motion), and automatically reduces the indoor illumination to 200 Lux or less when the passenger does not move for an average of 5 minutes or more and the probability of being classified as a sleep state is 85% or higher, and when the passenger maintains the same posture for 30 minutes or more and only a slight movement (∑|dx|+|dy|+|dz|<0.01m) is detected, the seat tilt is increased by 3 degrees, the frequency of the passenger's movement is drastically reduced, and the heart rate (HR) is If it increases by more than 15% from the reference value, it is determined to be a state of stress and white noise and indoor air conditioning system are activated. In addition, if multiple passengers are active indoors, a Bayesian network model that independently analyzes individual fatigue is applied. If the accumulated fatigue score of the passengers exceeds a certain standard, the vibration warning of the seat is activated to encourage the body to move at regular intervals, and the window ventilation mode is automatically activated to improve indoor air quality. If continuous fatigue accumulation is detected, a fatigue warning message for the passengers is output on the driver's instrument panel.

According to one embodiment of the present invention, a control unit places body deformation detection sensors (Fiber Bragg Grating, FBG sensors) at key points within a vehicle frame, including a front wheel subframe, a rear wheel subframe, and a main body frame, to detect changes in stress within a frame structure of a vehicle and a caravan in real time, thereby enabling continuous monitoring of stress and strain applied to the frame while the vehicle is driving.

The above FBG sensor operates by converting mechanical strain acting on a vehicle frame into an optical signal using a Bragg grating inside an optical fiber, and when strain occurs, the change in the reflected light wavelength is measured, so that real-time stress data can be accurately collected according to changes in vehicle driving conditions, such as high-speed driving or sudden braking.

The strain (ε) data of the FBG sensor collected in real time is sampled at a 30 Hz cycle to generate a multidimensional stress-strain matrix, and each sampled strain data is accumulated and stored based on the time axis. In order to analyze the stress distribution within the frame, driving data including the vehicle's speed (V), acceleration (a), and driving distance (d) are simultaneously collected, enabling analysis of the correlation between the strain change pattern and driving conditions.

The analysis criteria for the collected strain data are as follows. If the strain value is 1000 μstrain or less, it is classified as a normal state, and in the range of 1000 to 3000 μstrain, it is determined as a fatigue stress accumulation stage. If it exceeds 3000 μstrain, it is detected that a risk factor has occurred in the vehicle frame structure, and the driving pattern is immediately analyzed and countermeasures are taken. For example, if the frame stress change rate (dσ/dt) exceeds 200 MPa/s during high-speed driving, this can be determined as a sudden stress concentration phenomenon at a specific point within the vehicle frame, and at this time, the piezoelectric vibration damping actuator is activated to adjust the dynamic stiffness of the frame and prevent additional stress concentration.

When the vehicle passes over a speed bump or uneven surface, if the strain change pattern collected from the FBG sensor increases asymmetrically, i.e., if the strain difference between the front and rear subframes exceeds 20%, the active shock absorption system is set to operate to adjust the vehicle's shock recovery speed. This system utilizes piezoelectric actuators placed in the suspension and body frame to instantly reinforce or damp the frame structure according to the strain change, thereby maintaining ride comfort and vehicle stability.

Additionally, measures are taken to optimize frame rigidity by considering both vehicle load and road condition data. When the vehicle load is 1,000 kg or less, frame rigidity adjustment is not performed, and in the 1,000 kg to 1,500 kg range, frame rigidity is increased by 5% to ensure driving stability. When the vehicle load exceeds 1,500 kg, a shape-memory alloy-based frame structural adjustment device is activated, which adjusts the rigidity of individual subframes differently according to the vehicle load distribution, evenly controlling stress distribution within the frame and improving vehicle durability. The shape-memory alloy-based frame adjustment device dynamically changes the frame rigidity by applying specific temperatures or electrical stimulation when the load distribution changes during vehicle driving, allowing the vehicle to maintain optimal driving performance in various road environments.

This configuration can be easily implemented by ordinary engineers by combining existing vehicle structural stress analysis techniques and driving data-based frame stiffness adjustment techniques, and can be applied to various vehicle and caravan designs by applying real-time driving condition analysis based on sensor data and frame adjustment technology using actuators.

According to one embodiment of the present invention, a control unit includes an AI-based adaptive environmental control system that automatically learns and adjusts an indoor environment based on user interaction data inside a vehicle and a caravan, and applies a reinforcement learning-based Q-Learning algorithm that learns indoor illumination, temperature, humidity, ventilation status, and the user's operating frequency, and updates the environmental values to automatically adjust the illumination under the same conditions when a user manually adjusts the illumination five or more times in a specific environment, activates an automatic ventilation mode under the same conditions thereafter when a pattern of adjusting the air conditioning system after the user manually opens the window three or more times is detected, and when the user manually changes the temperature by three degrees or more while the temperature inside the vehicle is outside a specific range, an AI model learns the environment and automatically controls the temperature to be maintained at an appropriate temperature when the same conditions occur next time, and applies an occupant profiling model to individually analyze the user's preference patterns, and provides a customized indoor environment for each occupant, and vectorizes the average seat position, lighting setting, and temperature control pattern of the occupant to create an individual profile, and automatically adjusts the default setting of the seat when a specific occupant selects the same seat three or more times, and when a personal profile of the occupant is created, the vehicle detects the occupant. It can be implemented to recognize and automatically optimize lighting, temperature, air conditioning, and seat settings, apply an AI-based multi-user negotiation model to adjust environmental values when there are multiple users in the room, automatically set a compromised temperature value by adjusting the profiles and average values of the passengers when two or more passengers change the temperature settings individually, and activate a segment lighting mode that adjusts individual lighting for each seat by considering the location of each user when there is a large difference in lighting setting preferences between passengers.

According to one embodiment of the present invention, a control unit places indoor motion detection sensors, including 3D LiDAR sensors and ultrasonic sensors, at key points inside the vehicle, including the entrance, kitchen, sleeping area, and bathroom, to collect the movement path of passengers in real time in order to optimize the use of space inside the vehicle and caravan.

Each sensor records movements occurring within the vehicle, converting them into three-dimensional spatial coordinates (x, y, z). The sampling cycle is set to 30 seconds, continuously measuring changes in space occupancy. The measured space occupancy data is analyzed using the Exponential Moving Average (EMA) technique, allowing for a smoother reflection of changes in occupancy over time.

If the average occupancy rate per minute in a specific space exceeds 70%, it is considered a major traffic route. If it falls below 30%, it is detected as inefficiently utilized, and space utilization is analyzed based on this. For example, if the occupancy rate in a specific area remains below 30% and a specific piece of furniture (e.g., a table or chair) is detected to be accessed less than 10% of the time, the system determines that relocating the furniture would be effective for space utilization, and activates an automatic furniture rearrangement recommendation system.

The recommendation system can notify the user via the vehicle's dashboard and simulate the furniture's possible movement path in real time. For example, if a chair is placed in a high-traffic area near the kitchen, the system can suggest options such as moving the chair closer to the wall or replacing it with a retractable chair.

When multiple occupants are active indoors simultaneously, cluster analysis is performed using a multi-Gaussian mixture model (GMM) based on occupant location coordinate data. If the clustered occupant density is greater than two per 3m2, a specific area is designated as shared space mode. If the density is less than one per 3m2, the area is designated as private space, enhancing user convenience.

When multiple users are simultaneously active in a specific space, a motion prediction algorithm based on a Recurrent Neural Network (RNN) is applied to assess the likelihood of movement lines being blocked. If the likelihood of blockage exceeds 80%, automatic furniture rearrangement recommendations are made. For example, if the frequency of simultaneous movement of users near the kitchen increases, recommendations are made to fold or move chairs or tables in front of the counter, improving space utilization.

To optimize seat utilization, the passenger's body type-specific movement path and seat seating frequency data are analyzed using a multidimensional array analysis technique. If the seat seating frequency is less than 30% and overlaps with the surrounding movement path, the instrument panel suggests folding or moving the seat. In addition, if the seat usage pattern remains asymmetric, the seat cushion stiffness is adjusted (suspension adjustment based on Ks=f(m,θ)) and a variable seat recommendation system that recommends personalized seat tilt settings based on seating patterns is activated to maintain passenger comfort.

This configuration maximizes the utilization of vehicle interior space, allows for real-time optimization of interior layout, and includes the ability to actively adjust furniture and seating based on analysis of user movement patterns. To implement this system, a skilled technician can combine sensor-based indoor data analysis, machine learning-based pattern recognition, and real-time optimization algorithms, enabling application in a variety of environments.

10: Caravan structure
100: Caravan Housing
110: Connector
120: First window structure
130: Second window structure
140: Door structure
141: Entrance door
150: Sensor section
160: Multiple light-emitting elements

Claims (6)

In a caravan structure including a glass structure,
A caravan housing having a user-accessible space provided inside and including a plurality of movable wheels on the lower side,
The above housing
A connecting member that is connected to a vehicle and is arranged to be moved to the caravan;
It includes a first window structure that can be opened on one side, a second window structure that can be opened on the other side, and an entrance/exit structure.
The above entrance structure includes an entrance door that allows people to enter and exit,
The side of the above housing has a front glass structure,
The above windshield structure
The inner surface is coated with an electrochromic material whose transparency adjusts when receiving an electrical signal.
It includes a battery for supplying power to the coating surface of the above-mentioned front glass structure, a control device for adjusting the intensity of an electric signal in response to a user operation, and a sensor unit for measuring the surrounding environment including temperature and illuminance.
If at least one of the temperature and illuminance measured from the sensor unit exceeds a preset standard value, the intensity of the electric signal is strengthened to control the transparency of the front glass structure to be lowered.
Includes an electric blind installed on the inner upper surface of the front windshield to block external view;
It further includes an electric sunshade device provided on the outer upper surface of the front windshield to block sunlight; and the sensor unit detects the entry and exit of a person in the upper area where the center of the entrance door is located.
The above entrance door includes a plurality of light-emitting elements attached in a preset pattern,
Among the plurality of light-emitting elements, the first light-emitting element emits light and maintains a light-emitting state when the first person entering through the entrance door is detected by the sensor unit.
Among the plurality of light-emitting elements, the second light-emitting element emits light and maintains a light-emitting state when a second person entering through the entrance door is detected, and the first light-emitting element turns off when the second person exits the entrance door.
The above sensor unit detects that the caravan has entered the bus-only lane by recognizing the lane color and road signs of the road below, and if the counted number of passengers does not meet the bus-only lane entry requirements, it transmits this to the highway tollgate management system.
The control unit
In order to detect stress changes in the frame structure of vehicles and caravans in real time, body deformation detection sensors (Fiber Bragg Grating, FBG sensors) are placed at key points inside the vehicle frame, including the front subframe, rear subframe, and main body frame.
The frame strain (ε) data collected from the above FBG sensor is sampled at a 30 Hz cycle, and a multidimensional stress-strain matrix is generated and accumulated.
If the collected strain data is less than 1000 μstrain, it is classified as normal.
If it exceeds 1000μstrain and is less than 3000μstrain, it is considered a fatigue stress accumulation section.
When it exceeds 3000μstrain, it is set to detect a dangerous state and immediately analyze the vehicle driving pattern.
The frame strain change is identified through a multivariate stress regression model that includes the stress change rate over time (dσ/dt) along with driving data including the vehicle's speed (V), acceleration (a), and driving distance (d).
When the frame stress change rate exceeds 200 MPa/s in a speed range of 80 km/h or more, it is judged that a stress concentration phenomenon has occurred within the vehicle frame.
When the frame strain (dε/dt) is identified to be greater than 500μstrain/s during high-speed driving, the piezoelectric vibration damping actuator is activated to adjust the dynamic stiffness of the frame for vehicle driving safety.
When the frame strain change pattern increases asymmetrically on a speed bump or uneven section, the active shock absorption system is set to operate to adjust the shock recovery speed.
By identifying vehicle load data including passenger and cargo load and road condition data together,
A caravan structure including a glass structure characterized in that when the vehicle load is 1000 kg or less, frame rigidity adjustment is not performed, and in the section exceeding 1000 kg and 1500 kg or less, the frame rigidity is increased by 5%, and when it exceeds 1500 kg, a shape memory alloy-based frame structure adjustment device is activated to differently adjust individual frame rigidity corresponding to the load distribution, thereby optimizing stress distribution within the frame.
delete delete delete delete In the first paragraph,
The above control unit
To optimize the use of space inside vehicles and caravans, indoor motion detection sensors, including 3D LiDAR sensors and ultrasonic sensors, are placed at key points inside the vehicle, including the entrance, kitchen, sleeping area, and bathroom. Passenger movement paths are sampled at 30-second intervals to identify changes in space occupancy using the time-weighted moving average (EMA) technique.
If the average occupancy rate per minute of a specific space is over 70%, it is determined to be a major movement route. If it is under 30%, it is detected as an inefficiently utilized space. If the occupancy rate of a specific area remains below 30% and the access frequency of a specific piece of furniture is less than 10%, an automatic furniture rearrangement recommendation system is activated to change the arrangement of the furniture and this is displayed on the vehicle's dashboard.
When multiple people are active indoors at the same time, the location coordinate data of the passengers are classified by a multi-Gaussian mixture model (GMM) to perform cluster analysis, and when the distribution density of the clustered passengers is 2 or more per 3㎡, a specific area is set to shared space mode, and when it is 1 or less per 3㎡, the space is adjusted to a private space, and when multiple users are active in a specific space at the same time, a motion prediction algorithm (RNN-based motion model) is applied to perform automatic furniture rearrangement recommendations if the possibility of blocking the movement path is 80% or higher.
To optimize the utilization of seats, the movement path and seat seating frequency data by body type of passengers are identified using a multidimensional array analysis technique. If the seat seating frequency is less than 30% and overlaps with the surrounding path, the instrument panel suggests folding or moving the seat.
A caravan structure comprising a glass structure characterized by activating a variable seat recommendation system that recommends seat cushion stiffness adjustment (suspension adjustment based on Ks=f(m,θ)) and personalized seat tilt settings based on seating patterns when seat usage patterns remain asymmetrical.