CN102685598B - Video switching management device and switching method - Google Patents

Abstract

The invention discloses a video switching management device and a switching method capable of automatically switching TV programs and monitoring audio and video. The video receiving unit in the device is upwardly connected to an external video input device, and downwardly connected to a video switching unit and video output The units are connected in sequence, the micro-processing unit is connected with the video switching unit to control the input and output of each video signal; the wireless communication module is connected with the micro-processing unit to receive wireless data signals; the power supply unit is used to supply power to the device. The method is to receive the video input signal; judge whether there is an access control signal or a monitoring signal, and if so, decode and convert the signal; and then output it to the video terminal for real-time display.

Description

A video switching management device and switching method

technical field

The invention relates to a video device, in particular to a video switching management device and a switching method capable of automatically switching TV programs and monitoring audio and video.

Background technique

At present, various industries such as the IT industry, the communication industry, and the home appliance industry are actively researching the technology and application of the digital home. Can connect to external network. Video application is the most important application of digital home. It will provide users with high value-added services such as video phone, video intercom, video surveillance, and home medical care. Video surveillance is independent of other video devices, such as user The monitoring and display devices in the home are all set at fixed locations, and users need to view them at close range. Users cannot monitor in real time, and cannot grasp the monitoring images of various locations in the home in time. Specifically, when the owner is watching TV at home at night, if there is a visitor, the owner needs to go to the monitoring display/operating device to check and open the door. Ordinary residences are fine, but for some high-end residences, the owner needs to go upstairs and downstairs. Above-mentioned action, very troublesome; If illegal element breaks in, owner also can not understand monitoring picture and report to the police at the first time. Therefore, there are many deficiencies in the prior art, and it is necessary to provide a device that can solve the above problems, allowing the owner to understand the monitoring information at the first time and make corresponding actions, minimize the danger, and realize the intelligence of the family at the same time.

Contents of the invention

The purpose of the present invention is to provide a video switching management device and switching method, which solves the problem that in the prior art, the video devices in the family cannot be assembled together for switching, and the user needs to operate each device separately, which is cumbersome and wasteful. Time, failed to realize intelligent family life.

A video switching management device according to the present invention is connected with video input equipment in family life, and specifically includes:

A video receiving unit, which is respectively connected to the above-mentioned video input devices, and is used for accessing the signals of each of the above-mentioned video devices;

A video switching unit, which is connected to the video receiving unit and used to switch the input of each video signal;

a video output unit, which is connected with the video switching unit and used to output video signals;

A micro-processing unit, which is connected with the video switching unit, is used to control the input and control output of each video signal;

A wireless communication module, which is connected with the micro-processing unit and used to receive wireless data signals;

The power supply unit is used for supplying power to the device.

As an improvement of the present invention, the above-mentioned video receiving unit adopts wireless mode transmission or wired mode transmission, when adopting wired mode transmission, the video receiving unit is provided with multiple serial access ports, and is connected to the video input device through the data line Connection; when the wireless transmission mode is adopted, it can be wireless high-definition video transmission technology (UWB (UltraWideband) carrier-free communication technology, WiDi (Intel WirelessDisplay) wireless high-definition technology or WIFI video and audio transmission) in the industry's existing technology.

Furthermore, the transmission mode of the above video output unit is wired transmission or wireless transmission. The above-mentioned video input devices in family life include DVD players, video access control, multimedia players, video surveillance or set-top boxes.

Furthermore, the above-mentioned video receiving unit is provided with a network interface and/or SD card interface and a USB interface, and the micro-processing unit can convert the data signal received by the above-mentioned interface into a digital broadcast signal and output it through the video output unit for playback.

The above-mentioned video switching management device also includes: an indicator light and a button, through which the networking/disconnection between the device and the gateway can be realized, and the bridging status is reflected by the indicator light. The power supply unit adopts a wired power supply mode or a wireless power supply mode.

In addition, the present invention also provides a switching method of a video switching management device, which includes the following steps:

1) The video receiving unit receives the input signal of the external video input device;

2) The micro-processing unit monitors the received input signal in real time, and judges whether there is a visual access control video signal or a video surveillance signal in the video input signal, and if it exists, enter the next step; if it does not exist, return to the previous step;

3) The micro-processing unit controls the video switching unit to decode the received visual access control video signal or video surveillance signal, and then convert it into a video signal for the display terminal;

4) The converted video is output to the display terminal by the video output unit.

As a further improvement, in step 2), the external control device sends a control command, which is received by the wireless communication module and sent to the micro-processing unit. The micro-processing unit analyzes and processes the received control command, and controls the video switching unit to execute the above-mentioned instructions.

Beneficial effects of the present invention:

1. The multi-function access port realizes the integrated operation of home video equipment and realizes intelligent family life.

2. Users can watch the surveillance alarm video and outdoor visitor video immediately when watching TV, and respond in a timely manner to avoid potential safety hazards.

3. It conforms to the user's usual living habits, enables the user to maintain timely and accurate external observation while fully enjoying the program, and greatly increases the safety of our lives.

Description of drawings

Fig. 1 depicts a structural block diagram of a video switching management device of the present invention,

Fig. 2 shows the structural block diagram of the video switching management device of the present invention in a preferred embodiment,

FIG. 3 is a flowchart of a method for automatically switching surveillance videos in an embodiment of the present invention.

Detailed ways

With reference to Fig. 1, shown in Fig. 2, the video switching management device of the present invention, it is connected with the video input devices such as TV, video access control, video monitoring, set-top box, DVD player, multimedia player in family life, specifically includes : video receiving unit, which is connected with video input devices such as above-mentioned visual access control, video surveillance, set-top box respectively, and is used for the access of above-mentioned each video device signal; video switching unit, which is connected with above-mentioned video receiving unit, uses to switch the input of each video signal; the video output unit, which is connected with the above-mentioned video switching unit, is used to output the video signal; the micro-processing unit, which is connected with the above-mentioned video switching unit, is used to control the input and control of each video signal output; a wireless communication module, which is connected with the above-mentioned micro-processing unit to receive wireless data signals; a power supply unit, which is used to supply power to the device.

In this embodiment, the above-mentioned video receiving unit adopts a wired transmission mode to input multiple serial interfaces, and can be connected with set-top boxes, DVD players, video access control, video surveillance, etc. through data lines to receive the above-mentioned video input The video signal sent by the device, and the received video signal is sent to the micro-processing unit; Input device connection, such as: wireless high-definition video transmission technology (UWB (UltraWideband) carrier-free communication technology, WiDi (Intel Wireless Display) wireless high-definition technology and WIFI video transmission, etc.), this communication connection method overcomes the complicated wiring in the existing technology, The problem of wasting space.

Above-mentioned wireless communication module receives the control command that external mobile terminal sends through the communication modes such as zigbee/Bluetooth (the mobile terminal here is the electronic equipment such as mobile phone, tablet computer and connects with wireless communication module data by a gateway. In other embodiments, Communication control can also be carried out by using an infrared remote controller), the wireless communication module sends the control command to the micro-processing unit after receiving the control command, the micro-processing unit analyzes and processes the received control command, and controls the video switching unit to execute the above-mentioned command (Such as: input selection of external video input device, selection of video output menu, program, volume, etc.). In particular, after the above-mentioned micro-processing unit detects that the video receiving unit receives the video signal of the video door control or video surveillance, it converts the video signal into a digital broadcast signal and automatically controls the video switching unit to output the processed digital broadcast signal. The specific performance is: the micro-processing unit analyzes the video signal received by the video receiving unit in real time, and converts the received video signal into a digital broadcast signal when detecting the input of monitoring signals such as visual access control or video monitoring signal, and controls the video switching unit It is switched and output to an external video display device by the video output unit, such as a TV. When the TV is displayed, you can choose the "picture-in-picture" mode or directly switch to the full-screen display mode output, that is, when the user is watching the TV program played by the set-top box When a visual access control/video surveillance video signal enters, it is automatically switched to display on the TV through a "picture-in-picture" screen. The above-mentioned video output unit is connected to the TV through a wired serial interface mode or a wireless high-definition video transmission mode (in other embodiments, the TV may be other display devices).

To further illustrate this embodiment, the video switching management device of the present invention also includes: indicator lights and buttons, which are respectively connected to the above-mentioned micro-processing unit, and the networking/disconnection between the device and a gateway can be realized through the buttons. The bridge status is reflected by the indicator light.

To further illustrate this embodiment, the above-mentioned power supply unit adopts a wired power supply mode, for example, connects a power cord to a 220V power supply in a home for power supply, or adopts a wireless power supply mode.

The video switching management device of the present invention is also provided with other media data interfaces such as network interface, SD card interface, USB interface, HDMI interface, etc., and the microprocessing unit can convert the data signals received by the above-mentioned various interfaces into digital broadcasting signals via video The output unit outputs playback.

In this embodiment, the video receiving unit of the video switching management device of the present invention is respectively connected to video input devices such as set-top boxes, video access control, and video surveillance through wired or wireless modes, and the video output unit is connected to the video input devices through wired serial interface mode or wireless mode. The TV data is connected, when a visitor presses the doorbell, the visual access control system starts, and the micro-processing unit receives the audio and video data signals of the visual access control, decodes the collected audio and video data and converts them into digital broadcast signals to control video switching The unit performs switching output, and the audio and video of the visual access control is output from the video output unit to the TV for display. In addition, the micro-processing unit can control the playing time of the above-mentioned visual access control video, which can be set according to the needs of users. When the playback reaches the preset time, the micro-processing unit controls the output of the visual access control video signal and continues It plays the video programs previously selected by the user, achieving full intelligence. However, the user can also perform manual switching by operating a remote control or the like.

With reference to Fig. 3, an embodiment of the video switching method of the present invention, comprises steps as follows:

Step 1: Receive the video input signal; the video receiving unit simultaneously receives the video signal sent by each video input device, and connects through the wired transmission mode or the wireless transmission mode; for example: in daily life, the user uses the video switching management device to connect the set-top box, DVD, video access control, video surveillance and other video input devices.

Step 2: the microprocessing unit monitors the video signal received by the above-mentioned video receiving unit in real time, and judges whether there are monitoring video signals such as a visual access control video signal or a video monitoring signal in the received video signal, and if it exists, then enter the next step; if If it does not exist, return to step 1; such as: when the user watches the TV program played by the set-top box in the bedroom or living room at home, the microprocessing unit in the video switching management device will monitor whether there is any The input of monitoring signals such as video access control/video surveillance can be specifically manifested in the activation of visual access control when a visitor touches the doorbell, or abnormal alarm signals generated by indoor and outdoor video surveillance.

Step 3: The micro-processing unit decodes the received visual access control video signal or video surveillance signal, and converts the received video signal into a digital broadcast signal;

Step 4: The micro-processing unit controls the video switching unit to output the decoded and converted digital broadcast signal from the video output unit to the display terminal for playback, and the switching device can control the video output unit to only output the digital broadcast signal alone, or control The video output unit outputs digital broadcast signals and other video signals at the same time; the specific performance is: the video output unit is connected to the TV (display terminal) through wired transmission mode or wireless transmission mode, and can simultaneously convert the converted digital broadcast signal and set-top box video signal It is output to a TV for playback, and the TV is displayed in a "picture-in-picture" manner; in addition, the video output unit can also only output the converted digital broadcast signal and interrupt the pre-output video signal of the set-top box. In the above two output modes, the user can pre-set the digital broadcast signal output time, and when the broadcast time reaches the preset time, the output of the digital broadcast signal will be automatically interrupted; the user can also switch or close it manually.

There are many specific application approaches of the present invention, and the above description is only a preferred embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, some improvements can also be made without departing from the principles of the present invention. Improvements should also be regarded as the protection scope of the present invention.

Claims (6)

1. A video switching management device, which is connected with the video input equipment in family life, is characterized in that it specifically includes: a video receiving unit, including visual access control or video monitoring, which is connected with the above-mentioned video input equipment respectively, with Access to the video signal of each video input device mentioned above; A video switching unit, which is connected to the video receiving unit and used to switch the input of each video signal; a video output unit, which is connected with the video switching unit and used to output video signals; A micro-processing unit, which is connected with the video switching unit, is used to control the input and control output of each video signal; The wireless communication module is connected with the micro-processing unit to receive wireless data signals; the wireless communication module receives the control instructions sent by the external mobile terminal through the zigbee communication mode, and transmits them to the micro-processing unit, and the micro-processing unit receives the received The control instruction is analyzed and processed, and the video switching unit is controlled to execute the above-mentioned control instruction; The micro-processing unit simultaneously analyzes the video signal received by the video receiving unit through wireless transmission in real time, and converts the received video signal into a digital broadcast signal when a visual access control or video surveillance signal input is detected, and controls the video switching unit to switch and output to an external video display device by the video output unit; The power supply unit is used for supplying power to the device. 2. The video switching management device according to claim 1, wherein the transmission mode of the video output unit is wired transmission or wireless transmission. 3. The video switching management device according to claim 1 or 2, wherein the video input devices in the family life include DVD players, multimedia players, video access control, video surveillance or set-top boxes. 4. The video switching management device according to claim 1 or 2, characterized in that, the video receiving unit is provided with a network interface and/or an SD card interface and a USB interface. 5. The video switching management device according to claim 1 or 2, characterized in that, the above video switching management device also includes: indicator lights and buttons, through which the networking/disconnection between the device and the gateway can be realized , the bridge status is reflected by the indicator light. 6. The video switching management device according to claim 1 or 2, wherein the power supply unit adopts a wired power supply mode or a wireless power supply mode.