CN205003867U - Dangerous early warning device of road - Google Patents

Abstract

The utility model discloses a road danger early warning device, which comprises: roadside equipment that obtains road information at its own location and transmits the road information containing the dangerous situation to a vehicle networking service platform through a wireless network when a dangerous situation occurs; The vehicle network service platform that describes the road information collected by the roadside equipment and pushes the road information including dangerous conditions to each vehicle-mounted device through the wireless network; the vehicle-mounted device that receives the road information sent by the vehicle network service platform through the wireless network. When the road danger occurs, the utility model can obtain the road condition information in time by the roadside equipment, and transmit the obtained road condition information to the Internet of Vehicles service platform through the high-speed wireless network, and then the service platform of the Internet of Vehicles will pass the real-time road condition information through The wireless network is pushed to each vehicle-mounted device to realize road hazard warning.

Description

A road hazard warning device

technical field

The utility model relates to the technology of the Internet of Vehicles, in particular to a road hazard early warning device based on the Internet of Vehicles and the fourth generation (4G) mobile communication network.

Background technique

When the vehicle is driving, it often encounters dangerous situations on the road ahead, such as: accidents are being handled ahead, construction is underway ahead, rockfall ahead, water in front, etc. If the driver cannot perceive the dangerous state of the road ahead in advance, it will cause accidents and serious traffic congestion.

For the dangerous state of the road ahead, if the early warning can be accurately and timely, the probability of danger for subsequent vehicles can be greatly reduced, and the degree of road congestion can be reduced. Currently, there are the following early warning methods:

1. Traffic signs or warning signs for early warning;

Specifically, static traffic signs are set up in places where accidents often occur or where there are dangers, such as: setting up traffic signs such as falling rocks and stagnant water ahead, reminding drivers to drive carefully to avoid accidents.

After an accident occurs on the road, corresponding warning signs can be set at the rear of the vehicle to inform subsequent vehicles that there is an accident on the road ahead and need to slow down.

2. Broadcast early warning through radio, radio and other means;

After an accident occurs on the road, an early warning is sent to the driver through radio, television or the Internet to remind the driver that there is danger or congestion on the road, and the driver needs to drive carefully or take a detour.

3. Early warning method based on Internet of Vehicles;

Carry out early warning through the Internet of Vehicles, such as: the patent document CN201420822669 discloses a vehicle-mounted real-time road condition early warning device based on cloud computing flooded roads. The patent installs a water level detection device on the car. The detection device transmits the detected water level information to the information collection module; the information collection module is connected to the cloud computing platform through the Internet, and the cloud computing platform communicates with the terminal equipment and displays the information on the terminal equipment. On the one hand, it can enable people to calculate the best driving route according to the actual road conditions; on the other hand, it can reduce the occurrence of traffic accidents. However, in order to ensure the real-time performance of road conditions, the program requires that each vehicle needs to be equipped with a water level detection device, such as a water level sensor.

The above-mentioned existing early warning methods have problems such as poor pertinence of dangerous information, delay in information, poor real-time performance of road monitoring, short warning time provided to drivers, etc., and the cost of implementation is relatively high.

Utility model content

In view of this, the embodiment of the utility model expects to provide a road hazard early warning device, which can not only feed back real-time road information in a timely, accurate and effective manner, but also effectively reduce the implementation cost.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

The embodiment of the utility model provides a road hazard early warning device, including:

Obtain the road information of your own location and transmit the road information including the dangerous situation to the roadside equipment of the Internet of Vehicles service platform through the wireless network when a dangerous situation occurs;

Obtain the road information collected by the roadside equipment and push the road information including dangerous conditions to the Internet of Vehicles service platform of each vehicle equipment through the wireless network;

A vehicle-mounted device that receives road information sent by the Internet of Vehicles service platform through a wireless network.

In the above scheme, the roadside equipment includes: rockfall detection roadside equipment for judging rockfall conditions and rockfall locations; ultrasonic waterlogging detection roadside equipment for judging road waterlogging conditions; roadside equipment for manually inputting traffic road information and displaying road information Roadside equipment for inputting road hazard information; wireless communication equipment for sending information acquired by roadside equipment through a wireless network; the roadside equipment for rockfall detection, ultrasonic water accumulation detection roadside equipment, and roadside equipment that can input road hazard information communicate wirelessly The device is connected, and the wireless communication device communicates with the Internet of Vehicles service platform through a wireless network.

In the above solution, the roadside device further includes: a video device that acquires on-site real-time video and transmits it to the Internet of Vehicles service platform through a wireless communication device.

In the above solution, the rockfall detection roadside equipment includes: a shock sensor array including at least one shock sensor.

In the above solution, the roadside equipment for ultrasonic water detection includes: a water level switch triggered by the water level; an ultrasonic transceiver for detecting the height of the water surface; a temperature detector for detecting the ambient temperature; collecting and processing the water level switch, the ultrasonic transceiver and the temperature detection The central processing unit of the device information; the water level switch, the ultrasonic transceiver and the temperature detector are respectively connected with the central processing unit.

In the above solution, the roadside equipment that can input road hazard information includes: an input device that realizes manual road information input; a first GPS positioning device that acquires the position information of the roadside equipment that can input road hazard information; Prompt message information display device.

In the above solution, the vehicle-mounted device includes: an OBD system that sends vehicle information and receives information from the Internet of Vehicles service platform; or, a vehicle machine that sends vehicle information and receives information from the Internet of Vehicles service platform.

In the above solution, the OBD system includes: obtaining vehicle information from the OBD interface of the car, and uploading the vehicle information to the OBD device of the Internet of Vehicles service platform; receiving mobile terminal equipment for information on the Internet of Vehicles service platform; obtaining vehicle location information The second GPS positioning device; the vehicle wireless communication device that sends vehicle information and receives information from the Internet of Vehicles service platform.

In the above solution, the vehicle machine further includes: a second GPS positioning device for acquiring vehicle location information; and a vehicle wireless communication device for sending vehicle information and receiving information from the Internet of Vehicles service platform.

In the above solution, the wireless network is a 4G network.

The road hazard early warning device provided by the embodiment of the utility model is provided with more than one roadside device on the vehicle driving road, through the connection between each roadside device and the Internet of Vehicles service platform, and between the Internet of Vehicles service platform and multiple vehicle-mounted devices. Information interaction; when road danger occurs, the roadside equipment can obtain road condition information in time, and transmit the obtained road condition information to the Internet of Vehicles service platform through the high-speed wireless network, and then the Internet of Vehicles service platform will pass the real-time road condition information through The wireless network is pushed to each vehicle-mounted device; in this way, timely, accurate and effective road information can be provided for drivers; further, due to the use of high-speed wireless network, the real-time performance of road information dissemination can be improved; and, through the Internet of Vehicles service platform, the Pushing the road information to a specific vehicle can make the pushing of the road information more targeted; compared with the existing implementation scheme of installing road condition equipment on each vehicle, the embodiment of the utility model can also save costs.

Description of drawings

Fig. 1 is a schematic diagram of the composition and structure of the road hazard warning device of the embodiment of the present invention;

Fig. 2 is the composition structure schematic diagram of the roadside equipment of the utility model embodiment;

Fig. 3 is a schematic diagram of the composition and structure of the rockfall detection roadside equipment according to the embodiment of the present invention.

Fig. 4 is a schematic diagram of the composition and structure of roadside equipment for detecting accumulated water according to an embodiment of the present invention.

detailed description

In the embodiment of the utility model, more than one roadside device is set on the driving road of the vehicle, through information interaction between each roadside device and the Internet of Vehicles service platform, and between the Internet of Vehicles service platform and multiple vehicle-mounted devices; when the road is dangerous When an accident occurs, the roadside equipment can obtain road condition information in time, and transmit the obtained road condition information to the Internet of Vehicles service platform through the high-speed wireless network, and then the Internet of Vehicles service platform will push the real-time road condition information to each vehicle through the wireless network. equipment to remind drivers to pay attention to driving or to avoid.

Further, in the embodiment of the present utility model, each roadside device transmits information to the Internet of Vehicles service platform through the 4G network, and the Internet of Vehicles service platform pushes the information to each vehicle-mounted device through the 4G network.

The utility model will be further elaborated below according to the drawings and embodiments of the description.

Fig. 1 is a schematic diagram of the composition structure of the road hazard early warning device of the embodiment of the utility model, as shown in Fig. 1, the road hazard early warning device 1 of the utility model embodiment includes a roadside device 11, a vehicle networking service platform 12 and a vehicle-mounted device 13; wherein , there are more than one roadside device 11 and vehicle-mounted device 13 .

Specifically, the roadside device 11 is used to obtain the road information of its own location, and when a dangerous situation occurs, transmit the road information including the dangerous situation to the Internet of Vehicles service platform 12 through the 4G network;

The Internet of Vehicles service platform 12 is used to know the position of each vehicle through the vehicle-mounted equipment 13 in advance, obtain the road information collected by the roadside equipment 11, and push the road information containing dangerous conditions to each vehicle-mounted equipment 13 through the 4G network, To provide early warning information to drivers;

The on-vehicle device 13 is used to receive the road information pushed by the Internet of Vehicles service platform 12 through the 4G network.

Specifically, the roadside equipment 11 described in the road hazard early warning device 1 of the embodiment of the present utility model, as shown in Figure 2, includes: a rockfall detection roadside equipment 111, an ultrasonic water accumulation detection roadside equipment 112, which can input road hazard information Roadside equipment 113 and wireless communication equipment 114; Wherein,

The rockfall detection roadside device 111 is used to judge the rockfall status and rockfall location; the ultrasonic water accumulation detection roadside device 112 is used to judge the road water accumulation condition; the roadside device 113 that can input road hazard information is used to manually input traffic road information and display it road information.

The rockfall detection roadside device 111 , the ultrasonic water accumulation detection roadside device 112 and the roadside device 113 capable of inputting road hazard information may be used in any one or any combination in practical applications to suit road conditions.

Rockfall detection roadside equipment 111, ultrasonic water accumulation detection roadside equipment 112, and roadside equipment 113 that can input road hazard information are all connected to wireless communication equipment 114 to transmit road information; The platform 12 makes the communication connection.

In the above solution, the roadside device 12 may also include a video device for acquiring on-site real-time video and transmitting it to the Internet of Vehicles service platform 12 through the wireless communication device 114 .

In the above solution, as shown in Figure 3, the rockfall detection roadside equipment 111 is composed of a plurality of shock sensors array; record the vibration displacement signals S ₁ (t), S ₂ (t)...S _{n of the shock sensors 1 to n} (t), judging the position of the rockfall point by the received signal, the methods that can be used include: signal strength discrimination method and time difference judgment method; the signal strength discrimination method judges whether there is a rockfall and the position of the rockfall according to the received information strength; The time difference judgment method is to judge the position of the rockfall according to the time difference when the shock sensor receives the information; after the judgment is completed, the rockfall detection roadside device 111 transmits the information to the wireless communication device 114, and the wireless communication device 114 sends the information to the car through the 4G network. Networking service platform12.

In the above scheme, the composition structure of the ultrasonic water accumulation detection roadside equipment 112 is shown in Figure 4, and the ultrasonic water accumulation detection roadside equipment 112 is composed of a water level switch 1121, an ultrasonic transceiver 1122, a temperature detector 1123 and a central processing unit. device 1124; where,

The water level switch 1121 is triggered by the water level; specifically, by detecting the impedance between the switches, it is judged whether the water level of the accumulated water exceeds a predetermined height; the ultrasonic transceiver 1122 is used to detect the height of the water surface; the temperature detector 1123 is used to detect the ambient temperature; the central processing The device 1124 is used to collect and process the information sent by the water level switch 1121 , the ultrasonic transceiver 1122 and the temperature detector 1123 .

After the ultrasonic water accumulation detection roadside equipment 112 is installed, record the height H0 of the ultrasonic transceiver from the ground and the height H_T of the water level switch, set the ultrasonic water accumulation detection roadside equipment 112, make it in a dormant state; when the road water depth exceeds H_T , Ultrasonic water accumulation detection roadside equipment 112 is turned on, records current temperature, estimates current speed of sound; Ultrasonic transceiver 1122 emits 40kHz (or other frequency) ultrasonic waves, records emission time T0, ultrasonic transceiver 1122 receives water surface echo, records echo time T1, H1 is estimated based on the time difference and the current speed of sound. Set up the roadside equipment 112 of ultrasonic water accumulation detection in the place where water is easy to accumulate, after the roadside equipment 112 of ultrasonic water accumulation detection detects that there is water accumulation on the road surface, send the water accumulation height, current time, live video to wireless communication equipment 114, by The wireless communication device 114 sends information to the IoV service platform 12 through the 4G network.

In the road hazard early warning device 1 of the embodiment of the present utility model, the roadside equipment 113 that can input road hazard information includes: an input device that realizes manual road information input; A GPS positioning device; and an information display device for displaying prompt information to passing drivers.

The roadside device 113 that can input road danger information is set on the roadside. When an accident is being handled ahead, the traffic police set the type of accident, the estimated processing time of the accident, and the location of the accident through the roadside device (the specific location can be obtained through GPS, and here it is mainly to set the accident location). The location is information such as the orientation of the road (such as inner ring, outer ring), road type, road congestion degree (such as smooth, general congestion, and extreme congestion); use video equipment such as a camera to record specific video information near the current road. After the setting is completed, the wireless communication device 114 transmits the road information and video information to the Internet of Vehicles service platform 12 through the 4G network. And remind the driver to drive carefully through the road information displayed on the information display device.

In the road hazard early warning device 1 of the embodiment of the utility model, the vehicle-mounted device 13 is composed of an on-board diagnostic system (OBD) or a vehicle machine; wherein, the OBD system includes an OBD device installed on the vehicle and a mobile terminal used by the driver; The car machine is an in-vehicle infotainment product installed in the car. The car machine must be able to realize information communication between people and cars, and between cars and the outside world (cars and cars).

In the above scheme, both the OBD system or the car machine include: a second GPS positioning device for obtaining vehicle position information and a vehicle wireless communication device for sending vehicle information and receiving information from the Internet of Vehicles service platform 12; the second GPS positioning device acquires The location information of the vehicle is sent to the Internet of Vehicles service platform 12 through the vehicle wireless communication device through the 4G network.

In the road danger early warning device 1 of the embodiment of the present utility model, each vehicle-mounted device 13 can send its own current position and the position information that may pass through in the future to the Internet of Vehicles service platform 12; Or a vehicle that is about to pass a dangerous road sends out an early warning message, and can automatically push a suitable detour route to the driver's mobile terminal or car machine according to the congestion level information; the driver can learn about the road ahead in real time through the mobile terminal or car machine Is it dangerous. After the video information taken by the roadside equipment 11 is uploaded to the Internet of Vehicles service platform 12, the driver can check the specific status or the Internet of Vehicles service platform 12 can independently determine the degree of road congestion and send prompt information to the vehicle-mounted equipment.

The wireless network used in this embodiment is a 4G network, which can increase the transmission rate and improve the real-time performance of information dissemination.

The above is only a preferred embodiment of the utility model, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement and improvement made within the spirit and principles of the utility model are all Should be included in the scope of protection of the present utility model.

Claims (10)

1. A road hazard early warning device, the device comprising:

acquiring road information of a position where the road information is located, and transmitting the road information containing dangerous conditions to road side equipment of the Internet of vehicles service platform through a wireless network when the dangerous conditions occur;

acquiring road information collected by the road side equipment and pushing the road information containing dangerous conditions to the Internet of vehicles service platform of each vehicle-mounted equipment through a wireless network;

and the vehicle-mounted equipment is used for receiving the road information sent by the vehicle networking service platform through a wireless network.

2. The road hazard warning device of claim 1, the roadside apparatus comprising:

the falling rock detection roadside equipment judges the falling rock condition and the falling rock position;

ultrasonic accumulated water detection roadside equipment for judging the road accumulated water condition;

road side equipment capable of inputting road danger information, which manually inputs traffic road information and displays the road information;

the wireless communication equipment transmits the roadside equipment acquisition information through a wireless network;

the falling stone detection road side equipment, the ultrasonic ponding detection road side equipment and the road side equipment capable of inputting road danger information are connected with the wireless communication equipment, and the wireless communication equipment is in communication connection with the Internet of vehicles service platform through a wireless network.

3. The road hazard warning device of claim 2, the roadside apparatus further comprising:

and the video equipment acquires the on-site real-time video and transmits the on-site real-time video to the Internet of vehicles service platform through the wireless communication equipment.

4. The road hazard warning device of claim 2, wherein the falling rock detection roadside apparatus comprises:

a shock sensor array comprising at least one shock sensor.

5. The road hazard warning device of claim 2, wherein the ultrasonic ponding detection roadside apparatus comprises:

a water level switch triggered by the water level;

an ultrasonic transceiver for detecting the height of the water surface;

a temperature detector for detecting an ambient temperature;

a central processor for collecting and processing the information of the water level switch, the ultrasonic transceiver and the temperature detector;

the water level switch, the ultrasonic transceiver and the temperature detector are respectively connected with the central processing unit.

6. The road hazard warning device according to claim 2, wherein the roadside apparatus capable of inputting road hazard information comprises:

input equipment for realizing manual road information input;

the first GPS positioning equipment capable of inputting the position information of the road danger information road side equipment is obtained;

and an information display device for displaying the prompt information to the passing driver.

7. The road hazard warning device according to claim 1, wherein the vehicle-mounted apparatus comprises:

the OBD system is used for sending vehicle information and receiving the information from the Internet of vehicles service platform; or,

and the vehicle machine is used for sending vehicle information and receiving the information from the vehicle networking service platform.

8. The road hazard warning device of claim 7, wherein said OBD system comprises:

acquiring vehicle information from an automobile OBD interface, and uploading the vehicle information to OBD equipment of the Internet of vehicles service platform;

the mobile terminal equipment receives the information of the Internet of vehicles service platform;

a second GPS positioning device for acquiring vehicle position information;

and the vehicle-mounted wireless communication equipment is used for sending vehicle information and receiving the information from the vehicle networking service platform.

9. The road hazard warning device as claimed in claim 7, wherein the vehicle machine further comprises:

a second GPS positioning device for acquiring vehicle position information;

and the vehicle-mounted wireless communication equipment is used for sending vehicle information and receiving the information from the vehicle networking service platform.

10. The road hazard warning device of any one of claims 1 to 9, wherein the wireless network is a 4G network.