CN201681466U - Monitoring unit with framing barrier alarm unit - Google Patents
Monitoring unit with framing barrier alarm unit Download PDFInfo
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- CN201681466U CN201681466U CN2010201884859U CN201020188485U CN201681466U CN 201681466 U CN201681466 U CN 201681466U CN 2010201884859 U CN2010201884859 U CN 2010201884859U CN 201020188485 U CN201020188485 U CN 201020188485U CN 201681466 U CN201681466 U CN 201681466U
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Abstract
A monitoring unit with a framing barrier alarm unit aims to avoid the technical problem that the video content is imperfect and the video image is not clean caused by shaking or moving due to the blocking of the camera or the defect of the positioner of the camera, which adopts the technical scheme that the inside of a central processing unit is additionally provided with a framing image quality analysis comparison module and a framing barrier alarm output circuit; an image sensor immediately sends the acquired video image information to the central processing unit; and the framing image quality analysis comparison module performs the framing barrier analysis, and outputs a control signal to the trigger end of the framing barrier alarm output circuit through the main control chip of the central processing unit. The utility model detects the image information acquired by the camera in real time, immediately sends an alarm signal when the image is blocked or moves slowly, informs the maintenance personnel to fast clean the barrier of the camera or fix the installation unit, and effectively ensures the stable and effective operation of the large-scale video monitoring network.
Description
Technical field
The utility model belongs to a kind of video acquisition device, is specifically related to the fixing video camera of the collection direction of blocking obstacle and mobile measuring ability.
Background technology
For video monitoring and video record, picture quality comprises that the integrality of the sharpness of image and content is most important.Video camera by gather the visual angle classification can be divided into fixed viewpoint, mobile visual angle, program control change of perspective etc. multiple, wherein for the video camera of fixed viewpoint formula, its camera must be maintained fixed constant, if trickle shake is arranged, or bring slowly mobile owing to positioning devices is insecure, the picture quality influence of then gathering is very big, moreover, owing to be the video camera of fixed viewpoint, if someone blocks certain object to camera lens, the video pictures of collection then can not be seen by Surveillance center, brings harm for monitoring work, even causes serious consequence.The image that the tradition camera is shot with video-corder, when needs playback road monitoring video carries out incident forensics, the monitor staff tends to find that the picture material that causes owing to reasons such as camera are blocked or moves slowly is imperfect or unintelligible, cause difficulty to incident forensics, the effect of video monitoring is had a greatly reduced quality.In the traditional video surveillance system, mainly rely on the method for human eye observation whether video image to be blocked or the capable judgement of the slow shift-in of camera, and then take measures.The detection method of this manual type has been not suitable for current development situation, fast development along with the video monitoring industry, the number of cameras of custom system constantly increases, obviously, a huge supervisory system, the simple mode of artificial observation inspection that relies on is monitored camera status, can't find in time that video camera blocks and moves slowly, let alone in time safeguard.
Summary of the invention
The purpose of this utility model is for fear of causing shaking owing to camera lens or the camera lens problem owing to locating device of blocking or moving and cause the imperfect and not fogging clear technical matters of video image content, designed a kind of supervising device that has the obstruction warning of finding a view to be provided with, in the main control module MCU of video camera, increase viewfinder image quality analysis comparing module, analysis is judged whether camera lens is blocked or is moved, and then output alarm signal notifies the staff in time to safeguard.
The utility model for realizing the technical scheme that goal of the invention adopts is, a kind of supervising device that has the obstruction warning of finding a view to be provided with, comprise in the structure and be used to gather the camera lens of fixed viewpoint and supporting imageing sensor, the CPU (central processing unit) of band storage unit, in the CPU (central processing unit) circuit, set up viewfinder image quality analysis comparing module and the obstruction warning output circuit of finding a view, imageing sensor is sent to CPU (central processing unit) with the video image information of instantaneous acquiring, the obstacle analysis of finding a view of viewfinder image quality analysis comparing module, and output control signals to the trigger end of the obstruction warning output circuit of finding a view by the main control chip of CPU (central processing unit).
The utility model is by detecting the image information from camera collection in real time, when the image existence is blocked or is moved slowly, send alerting signal immediately, shelter or the reinforcing erecting device of notifying the maintainer to remove camera have fast effectively guaranteed the stable of extensive video surveillance network and effectively running.
According to analysis to image, automatically detecting camera blocks and moves slowly, camera blocked situation and the situation of moving slowly is shown in monitor in the mode of a kind of figure or numerical value, perhaps send alerting signal automatically, the prompting maintainer carries out shelter and removes and bracing means.This intelligentized detection alarm function, extremely important for large-scale monitoring network, it is very high that it promotes benefit.
Below in conjunction with accompanying drawing the utility model is elaborated
Description of drawings
Fig. 1 is the theory diagram that video camera internal circuit of the present utility model is formed.
In the accompanying drawing, the 1st, imageing sensor, the 2nd, CPU (central processing unit) comprises the MCU main control chip, 2-1 is a viewfinder image quality analysis comparing module, the 3rd, the obstruction warning output circuit of finding a view, the 4th, A/D change-over circuit, the 5th, image coding circuit, the 6th, network interface circuit.
Embodiment
A kind of supervising device that has the obstruction warning of finding a view to be provided with, comprise in the structure and be used to gather the camera lens of fixed viewpoint and supporting imageing sensor 1, the CPU (central processing unit) 2 of band storage unit, in CPU (central processing unit) circuit 2, set up viewfinder image quality analysis comparing module 2-1 and the obstruction warning output circuit 3 of finding a view, imageing sensor 1 is sent to CPU (central processing unit) 2 with the video image information of instantaneous acquiring, the viewfinder image quality analysis comparing module 2-1 obstacle analysis of finding a view, and output control signals to the trigger end of the obstruction warning output circuit 3 of finding a view by the main control chip MCU of CPU (central processing unit).
The view-finder image is sent to CPU (central processing unit) 2 after A/D change-over circuit 4 and image coding circuit 5 encoded compressions from imageing sensor 1.
Dispose the network interface circuit 6 supporting in the above-mentioned CPU (central processing unit) 2 with the webserver.
Above-mentioned imageing sensor 1 is cmos image sensor or ccd image sensor with the supporting employing of camera lens.
In the specific implementation, at first monitor image and be delivered to imageing sensor 1 through camera lens, imageing sensor 1 can be CMOS, also can be CCD.The function of A/D change-over circuit 4 is that image is become digital signal by analog signal conversion, adopt the image sensor module of CMOS pattern that the Direct Digital signal output interface is arranged, need not the A/D change-over circuit, if adopt the imageing sensor of CCD pattern that digital output interface is directly arranged, do not need to change through A/D once more yet, but directly carry out the picture coding compression by image coding circuit 5.2 pairs of each building blocks of CPU (central processing unit) manage and control, if adopt the mode of software coding that image is carried out encoding compression, CPU (central processing unit) 2 can be moved the DSP of encoding compression software so.Image is through having realized the digitizing of vision signal after the encoding compression, viewfinder image quality analysis comparing module 2-1 carries out statistical study to digital signal, when the analysis result judgement shelter occurred or moves slowly, central processing unit was by I/O interface output alarm signal.The webserver provides network function for camera, allows the user to use standard browser by camera IP camera to be conducted interviews from PC, watches real time video image by user interface, and video camera is controlled.
Claims (4)
1. supervising device that has the obstruction warning of finding a view to be provided with, comprise in the structure and be used to gather the camera lens of fixed viewpoint and supporting imageing sensor (1), the CPU (central processing unit) (2) of band storage unit, it is characterized in that: in CPU (central processing unit) circuit (2), set up viewfinder image quality analysis comparing module (2-1) and the obstruction warning output circuit (3) of finding a view, imageing sensor (1) is sent to CPU (central processing unit) (2) with the video image information of instantaneous acquiring, viewfinder image quality analysis comparing module (2-1) the obstacle analysis of finding a view, and output control signals to the trigger end of obstruction warning output circuit (3) of finding a view by the main control chip (MCU) of CPU (central processing unit).
2. a kind of supervising device that has the obstruction warning of finding a view to be provided with according to claim 1, it is characterized in that: the view-finder image is sent to CPU (central processing unit) (2) after A/D change-over circuit (4) and the encoded compression of image coding circuit (5) from imageing sensor (1).
3. a kind of supervising device that has the obstruction warning of finding a view to be provided with according to claim 1 is characterized in that: dispose the network interface circuit supporting with the webserver (6) in the described CPU (central processing unit) (2).
4. a kind of supervising device that has the obstruction warning of finding a view to be provided with according to claim 1, it is characterized in that: described imageing sensor (1) is cmos image sensor or ccd image sensor with the supporting employing of camera lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201884859U CN201681466U (en) | 2010-05-07 | 2010-05-07 | Monitoring unit with framing barrier alarm unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201884859U CN201681466U (en) | 2010-05-07 | 2010-05-07 | Monitoring unit with framing barrier alarm unit |
Publications (1)
| Publication Number | Publication Date |
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| CN201681466U true CN201681466U (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201884859U Expired - Fee Related CN201681466U (en) | 2010-05-07 | 2010-05-07 | Monitoring unit with framing barrier alarm unit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102131101A (en) * | 2011-04-21 | 2011-07-20 | 江苏东怡软件技术有限公司 | Intelligent video image quality automatic analysis system and method |
| CN103024348A (en) * | 2012-11-06 | 2013-04-03 | 前卫视讯（北京）科技发展有限公司 | Operation and maintenance management system of video monitoring |
| CN103561243A (en) * | 2013-11-13 | 2014-02-05 | 太仓太乙信息工程有限公司 | Camera condition monitoring system and method |
| CN104537664A (en) * | 2014-12-25 | 2015-04-22 | 合肥寰景信息技术有限公司 | Method for distinguishing abnormal conditions of monitoring camera on basis of background comparison |
| CN107077145A (en) * | 2016-09-09 | 2017-08-18 | 深圳市大疆创新科技有限公司 | Show the method and system of the obstacle detection of unmanned vehicle |
| CN110081368A (en) * | 2019-04-28 | 2019-08-02 | 上海电力学院 | Electricity-saving intelligent desk lamp based on multiple sensors |
-
2010
- 2010-05-07 CN CN2010201884859U patent/CN201681466U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102131101A (en) * | 2011-04-21 | 2011-07-20 | 江苏东怡软件技术有限公司 | Intelligent video image quality automatic analysis system and method |
| CN103024348A (en) * | 2012-11-06 | 2013-04-03 | 前卫视讯（北京）科技发展有限公司 | Operation and maintenance management system of video monitoring |
| CN103024348B (en) * | 2012-11-06 | 2016-08-17 | 前卫视讯（北京）科技发展有限公司 | The operation management system of video monitoring |
| CN103561243A (en) * | 2013-11-13 | 2014-02-05 | 太仓太乙信息工程有限公司 | Camera condition monitoring system and method |
| CN104537664A (en) * | 2014-12-25 | 2015-04-22 | 合肥寰景信息技术有限公司 | Method for distinguishing abnormal conditions of monitoring camera on basis of background comparison |
| CN107077145A (en) * | 2016-09-09 | 2017-08-18 | 深圳市大疆创新科技有限公司 | Show the method and system of the obstacle detection of unmanned vehicle |
| US11145213B2 (en) | 2016-09-09 | 2021-10-12 | SZ DJI Technology Co., Ltd. | Method and system for displaying obstacle detection |
| CN110081368A (en) * | 2019-04-28 | 2019-08-02 | 上海电力学院 | Electricity-saving intelligent desk lamp based on multiple sensors |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20190507 |