CN204697177U - A kind of automatic switching control circuit of multi-channel video monitor - Google Patents
A kind of automatic switching control circuit of multi-channel video monitor Download PDFInfo
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- CN204697177U CN204697177U CN201520413010.8U CN201520413010U CN204697177U CN 204697177 U CN204697177 U CN 204697177U CN 201520413010 U CN201520413010 U CN 201520413010U CN 204697177 U CN204697177 U CN 204697177U
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Abstract
The utility model provides a kind of automatic switching control circuit of multi-channel video monitor, comprise: video acquisition module, video processing module, microcontroller, Output matrix module, D/A modular converter and display terminal, described video acquisition module comprises video camera and Video Decoder, the output of described video camera connects Video Decoder, the output of described Video Decoder connects video processing module, the output connection matrix output module of described video processing module, the output of described Output matrix module connects D/A modular converter, the output of described D/A modular converter connects display terminal, described video processing module is connected with the output of Output matrix module with described microcontroller.The utility model is controlled video information display by timing automatic control and keyboard manual operation, improves the flexibility of video frequency output, and convenient checking video information, improves monitoring effect.
Description
Technical field
The utility model relates to supervisory control system field, is specifically related to a kind of automatic switching control circuit of multi-channel video monitor.
Background technology
Along with the development of digital network, traditional video monitoring system exposes its weak point gradually, such as, existing video monitoring system is gathered video information by head end video collecting device, be transported in Control Room by line transmission, deliver in Control Room because head end video collecting device gathers rear unification to each video respectively, when video input circuit is more, due to the impact of monitored room environmental, every road video can not be shown simultaneously, need manually to regulate video display, the labour intensity of monitor staff is large, and can not obtain in time with burst information, delay the process of later stage to emergency situations.
Utility model content
The utility model, for the technical problem of above-mentioned existence, proposes a kind of automatic switching control circuit of multi-channel video monitor.
The technical solution of the utility model is: a kind of automatic switching control circuit of multi-channel video monitor, comprise: video acquisition module, video processing module, microcontroller, Output matrix module, D/A modular converter and display terminal, described video acquisition module comprises video camera and Video Decoder, the output of described video camera connects Video Decoder, the output of described Video Decoder connects video processing module, the output connection matrix output module of described video processing module, the output of described Output matrix module connects D/A modular converter, the output of described D/A modular converter connects display terminal, described video processing module is connected with the output of Output matrix module with described microcontroller, described video processing module also connects video encoder, the output of described video encoder is connected with memory, described memory and described Output matrix model calling.
Further, described microcontroller arranges timing control circuit, and described timing control circuit provides matrix control signal for microcontroller.
Further, described microcontroller also connects keyboard input module.
The beneficial effects of the utility model: the utility model is by arranging timing control circuit, video switch signal is controlled for microcontroller provides, microcontroller controls Output matrix module under the effect of timing control circuit, Output matrix module is switched video frequency output automatically, do not need artificial input can realize video time display, by timing automatic control and keyboard manual operation, video information display is controlled, improve the flexibility of video frequency output, convenient checking video information, improves monitoring effect.
Accompanying drawing explanation
Fig. 1 is the automatic switching control circuit structure chart of a kind of multi-channel video monitor that the utility model proposes.
Embodiment
See Fig. 1, it is the automatic switching control circuit structure chart of a kind of multi-channel video monitor that the utility model proposes.
As shown in Figure 1, a kind of automatic switching control circuit of multi-channel video monitor, comprise: video acquisition module, video processing module, microcontroller, Output matrix module, D/A modular converter and display terminal, described video acquisition module comprises video camera and Video Decoder, the output of described video camera connects Video Decoder, the output of described Video Decoder connects video processing module, the output connection matrix output module of described video processing module, the output of described Output matrix module connects D/A modular converter, the output of described D/A modular converter connects display terminal, described video processing module is connected with the output of Output matrix module with described microcontroller, described video processing module also connects video encoder, the output of described video encoder is connected with memory, described memory and described Output matrix model calling.
In the utility model embodiment, by video acquisition module, multi-channel video information is gathered, carry out process by video processing module to the video information gathered form matrix and store in memory by video encoder, microcontroller controls video processing module on the one hand, on the other hand by controlling Output matrix module, realize exporting the automatic switchover of multi-channel video monitor, by digital video information being converted to module video signal with the D/A modular converter of Output matrix model calling, and show on connected display terminal, in the utility model embodiment, video processing module and memory combination form video output information, by microcontroller, Output matrix module is controlled, the output realizing real time video data is connected between video processing module with Output matrix module, the video information gathered can be stored by memory, the video information that can realize gathering is carried out playback and checks, by microcontroller and Output matrix module, output video is switched, be convenient to monitor in real time multi-channel video.
Further, described microcontroller arranges timing control circuit, and described timing control circuit provides matrix control signal for microcontroller.
In the utility model embodiment, by arranging timing control circuit, video switch signal is controlled for microcontroller provides, microcontroller controls Output matrix module under the effect of timing control circuit, Output matrix module is switched video frequency output automatically, does not need artificial input can realize video time display.
Further, described microcontroller also connects keyboard input module.
The utility model also arranges input through keyboard module, when monitor staff needs to check other video informations, switching command is sent to microcontroller by input through keyboard module, the interrupt signal that microcontroller receives input through keyboard module controls Output matrix module, makes it export video to be viewed; Controlled video information display by timing automatic control and keyboard manual operation, improve the flexibility of video frequency output, convenient checking video information, improves monitoring effect.
Above the utility model is described in detail, but the utility model is not limited to above-mentioned execution mode, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from the utility model aim.Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific execution mode, scope of the present utility model is defined by the following claims.
Claims (3)
1. the automatic switching control circuit of a multi-channel video monitor, it is characterized in that, comprise: video acquisition module, video processing module, microcontroller, Output matrix module, D/A modular converter and display terminal, described video acquisition module comprises video camera and Video Decoder, the output of described video camera connects Video Decoder, the output of described Video Decoder connects video processing module, the output connection matrix output module of described video processing module, the output of described Output matrix module connects D/A modular converter, the output of described D/A modular converter connects display terminal, described video processing module is connected with the output of Output matrix module with described microcontroller, described video processing module also connects video encoder, the output of described video encoder is connected with memory, described memory and described Output matrix model calling.
2. the automatic switching control circuit of a kind of multi-channel video monitor according to claim 1, is characterized in that, described microcontroller arranges timing control circuit, and described timing control circuit provides matrix control signal for microcontroller.
3. the automatic switching control circuit of a kind of multi-channel video monitor according to claim 1, is characterized in that, described microcontroller also connects keyboard input module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520413010.8U CN204697177U (en) | 2015-06-15 | 2015-06-15 | A kind of automatic switching control circuit of multi-channel video monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520413010.8U CN204697177U (en) | 2015-06-15 | 2015-06-15 | A kind of automatic switching control circuit of multi-channel video monitor |
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| Publication Number | Publication Date |
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| CN204697177U true CN204697177U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520413010.8U Expired - Fee Related CN204697177U (en) | 2015-06-15 | 2015-06-15 | A kind of automatic switching control circuit of multi-channel video monitor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109600532A (en) * | 2018-12-13 | 2019-04-09 | 中国科学院西安光学精密机械研究所 | Unmanned plane multi-channel video seamless switch-over system and method |
| CN111835991A (en) * | 2019-04-17 | 2020-10-27 | 鸿富锦精密工业(武汉)有限公司 | Display data channel circuit |
-
2015
- 2015-06-15 CN CN201520413010.8U patent/CN204697177U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109600532A (en) * | 2018-12-13 | 2019-04-09 | 中国科学院西安光学精密机械研究所 | Unmanned plane multi-channel video seamless switch-over system and method |
| CN111835991A (en) * | 2019-04-17 | 2020-10-27 | 鸿富锦精密工业(武汉)有限公司 | Display data channel circuit |
| CN111835991B (en) * | 2019-04-17 | 2024-04-02 | 鸿富锦精密工业(武汉)有限公司 | Display data channel circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20160615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |