CN202907093U - Coaxial visual control system - Google Patents
Coaxial visual control system Download PDFInfo
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- CN202907093U CN202907093U CN 201220510229 CN201220510229U CN202907093U CN 202907093 U CN202907093 U CN 202907093U CN 201220510229 CN201220510229 CN 201220510229 CN 201220510229 U CN201220510229 U CN 201220510229U CN 202907093 U CN202907093 U CN 202907093U
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- cloud terrace
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Abstract
The utility model belongs to the security monitoring field, in particular to a coaxial visual control system. According to the coaxial visual control system provided by the embodiment of the utility model, an RS485 encoding box and an RS485 decoding box are adopted between a control center and a high-speed dome/holder; after processed, video signals and control signals are inserted into a coaxial line and are transmitted; two long RS485 control lines between the control center and the high-speed dome/holder are omitted; and therefore, the coaxial visual control system is advantageous in convenience in wiring construction, saved cost, and convenience in later-stage maintenance.
Description
Technical field
The utility model belongs to protection and monitor field, relates in particular to a kind of coaxial video control system.
Background technology
Video monitoring camera has very important status in protection and monitor field, is the capital equipment in the video monitoring.In actual applications, control appliance need to carry out real-time communicating by letter with video camera, therefore in video monitoring system, need the signal of transmission to mainly contain two kinds, one is vision signal, and another is control signal.Wherein the flow direction of vision signal is that video camera from system front end flows to control centre; Control signal then is that to flow to the clipping the ball, The Cloud Terrace etc. of front end from control centre controlled to picture.Usually should communication need to use special communication line, such as RS232, RS485 etc.Coaxial to look control be exactly a kind of control signal to be superimposed upon on the vision signal, realizes the together communication mode of transmission.
Existing video monitoring system fills an integrated camera inside clipping the ball or the The Cloud Terrace on the market, and the vision signal of video camera directly is transferred to the video access interface of the monitor scope of control desk by coaxial line.Communication between control centre and clipping the ball or the The Cloud Terrace is to carry out communication by the RS232 signal of MCU separately.But because the transmission range limited (generally only having about 1.5 meters) of RS232 signal, transmit so need to convert the RS232 signal of two MCU of control centre and clipping the ball or The Cloud Terrace to the RS485 signal by the RS485 chip, the actual transmissions distance just can reach more than thousand meter of hundreds of to like this.As shown in Figure 1, control centre's control clipping the ball or The Cloud Terrace need very long RS485 control line.Like this, just improved difficulty of construction and the cost of system wiring, safeguarded also more bothersome.
The utility model content
The purpose of this utility model is to provide a kind of coaxial video control system, is intended to solve the problem that the cable wiring manufacture difficulty is large, cost is high of existing coaxial video control system RS485 control line.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of coaxial video control system comprises clipping the ball/The Cloud Terrace and control centre, and the video input interface of described control centre links to each other with the video output interface of described clipping the ball/The Cloud Terrace by coaxial line, and described coaxial video control system also comprises:
Link to each other with the RS485 interface of described control centre, receive control centre to the control signal of described clipping the ball/The Cloud Terrace and insert vision signal, by the RS485 coding box of coaxial cable transmission;
Link to each other with the RS485 interface of described clipping the ball/The Cloud Terrace, the control signal that described clipping the ball/The Cloud Terrace is obtained detects and decodes, and the RS485 decoder box that sends by coaxial cable after vision signal processed.
Further, described clipping the ball/The Cloud Terrace comprises an integrated camera that is used for monitoring and obtains vision signal.
Particularly, described RS485 decoder box comprises:
Directly link to each other with the video output interface of described clipping the ball/The Cloud Terrace, be used for vision signal is amplified the video amplification unit of rear output; Directly link to each other with the video output interface of described clipping the ball/The Cloud Terrace, vision signal is carried out the blanking interval detecting unit that blanking interval detects; Link to each other with the output of described video amplification unit, the vision signal after amplifying is carried out and the data comparator of processing; Input connects respectively described blanking interval detecting unit and data comparator, controls the Single-chip Controlling unit of whole RS485 decoder box operating state; And be connected to RS485 chip between the RS485 interface of the output of described Single-chip Controlling unit and described clipping the ball/The Cloud Terrace.
Described RS485 coding box comprises:
Link to each other with the video input interface of described control centre, to the second video amplification unit that is amplified by the vision signal of coaxial line transmission; Link to each other with the video input interface of described control centre, vision signal is carried out the second blanking interval detecting unit that blanking interval detects; Link to each other with the input of described video amplification unit, described control centre is inserted the control signal plug-in unit of vision signal to the control signal of clipping the ball/The Cloud Terrace; Be connected between described blanking interval detecting unit and the control signal plug-in unit, control the second singlechip control unit of whole RS485 coding box operating state; And be connected to RS485 chip between the RS485 interface of the input of described second singlechip control unit and described control centre.
A kind of coaxial video control system that the utility model provides, between control centre and clipping the ball/The Cloud Terrace, adopt RS485 coding box and RS485 decoder box, vision signal and control signal are processed rear insertion coaxial line transmission, two very long RS485 control lines between control centre and the clipping the ball/The Cloud Terrace have been omitted, for cable wiring manufacture provides convenience, also save cost, be convenient to later maintenance.
Description of drawings
Fig. 1 is the structure diagram of existing video monitoring system;
Fig. 2 is the structure diagram of the video monitoring system that provides of the utility model embodiment;
Fig. 3 is the RS485 coding box that provides of the utility model embodiment and the structure diagram of RS485 decoder box.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
A kind of coaxial video control system that the utility model provides, between control centre and clipping the ball/The Cloud Terrace, adopt RS485 coding box and RS485 decoder box, two very long RS485 control lines between control centre and the clipping the ball/The Cloud Terrace have been omitted, for cable wiring manufacture provides convenience, also save cost, be convenient to later maintenance.
Fig. 2 is the structure diagram of the video monitoring system that provides of the utility model embodiment, for convenience of explanation, only shows the part relevant with the utility model embodiment.As shown in the figure:
A kind of coaxial video control system, comprise clipping the ball/The Cloud Terrace 100 and control centre 200, wherein, clipping the ball/The Cloud Terrace 100 comprises an integrated camera that is used for monitoring and obtains vision signal, control centre 200 comprises control desk 201 and display 202, the video input interface of display 202 links to each other by the video output interface of coaxial line with clipping the ball/The Cloud Terrace 100, so that the vision signal of integrated camera collection can directly be transferred on the display 202 of control centre 200 by coaxial line;
In addition, coaxial video control system also comprises a RS485 coding box 300 and a RS485 decoder box 400, wherein, between the RS485 interface that RS485 coding box 300 is connected to control desk 201 and the video input interface of display 202, be used for receiving the control signal of 200 pairs of clipping the ball/The Cloud Terraces 100 of control centre and directly the insertion vision signal transmit by coaxial cable together; 400 of RS485 decoder box are connected between the RS485 interface of the video output interface of video camera and clipping the ball/The Cloud Terrace 100, the control signal that control centre 200 is sent detects and decodes, and sends to control centre 200 by coaxial cable after vision signal processed.
Fig. 3 is the RS485 coding box that provides of the utility model embodiment and the structure diagram of RS485 decoder box, for convenience of explanation, only shows the part relevant with the utility model embodiment.As shown in the figure:
The input of the first video amplification unit directly links to each other with the video output interface of video camera, is used for again output after the vision signal amplification; The input of the first blanking interval detecting unit also is connected to the video output interface of video camera, is used for that vision signal is carried out blanking interval and detects; Data comparator then links to each other with the output of the first video amplification unit, vision signal after amplifying is compared and processes and be transferred to the first Single-chip Controlling unit, the input of the first Single-chip Controlling unit connects respectively the output of the first blanking interval detecting unit and the output of data comparator, the output of the first Single-chip Controlling unit then is connected on the RS485 interface of clipping the ball/The Cloud Terrace 100 by a RS485 chip, controls whole RS485 decoder box operating state.
The second video amplification unit is connected between the video input interface of coaxial line and display, is transferred to display after the vision signal of coaxial line transmission is amplified again; The second blanking interval detecting unit also links to each other with the video input interface (namely being the video input interface of display) of control centre, and vision signal is carried out being transferred to the second singlechip control unit after blanking interval detects; The input of second singlechip control unit connects respectively the output of blanking interval detecting unit and the output of the 2nd RS485 chip, the RS485 interface of the input termination control desk of the 2nd RS485 chip, the input of the output termination control signal plug-in unit of second singlechip control unit is controlled whole RS485 coding box operating state; And the output of control signal plug-in unit links to each other with the input of video amplification unit, is used for that the control signal of 200 pairs of clipping the ball/The Cloud Terraces 100 of control centre is inserted vision signal and transmits together.
The coaxial video control system that the utility model embodiment provides, RS485 coding box is sent into the second singlechip control unit with the control signal of control centre by the 2nd RS485 chip, the second singlechip control unit is stored control signal, also detects the signal of blanking interval simultaneously.After detecting signal, control signal is directly inserted the blanking interval of vision signal by the control signal plug-in unit, because the signal of blanking interval can not show, therefore can not produce interference to the demonstration of looking the control image, do not affect the transmission quality of image on display; By the pre-amplification of front end vision signal and the amplification of receiving end signal, can realize long-distance transmissions, close by the coaxial RS485 of the sending to decoding of vision cable and decode, can save in a large number the wiring expense like this, reduce difficulty of construction.
The RS485 decoder box receives the control signal that control centre sends, the control signal of blanking period detects, deliver to again the RS485 interface circuit, clipping the ball/The Cloud Terrace is controlled, such as zoom, zoom and the clipping the ball of high speed revolution of basketball, location, integrated camera or the function setting of integrated camera etc., control when comprising the functions such as white balance, shutter, aperture, zoom, focusing of integrated camera.
A kind of coaxial video control system that the utility model embodiment provides, between control centre and clipping the ball/The Cloud Terrace, adopt RS485 coding box and RS485 decoder box, vision signal and control signal are processed rear insertion coaxial line transmission, two very long RS485 control lines between control centre and the clipping the ball/The Cloud Terrace have been omitted, for cable wiring manufacture provides convenience, also save cost, be convenient to later maintenance.
The above only is preferred embodiment of the present utility model, not in order to limit the utility model, although with reference to previous embodiment the utility model has been carried out more detailed explanation, for a person skilled in the art, it still can be made amendment or part technical characterictic wherein is equal to replacement the technical scheme that aforementioned each embodiment puts down in writing.All any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (4)
1. a coaxial video control system comprises clipping the ball/The Cloud Terrace and control centre, and the video input interface of described control centre links to each other with the video output interface of described clipping the ball/The Cloud Terrace by coaxial line, it is characterized in that, described coaxial video control system also comprises:
Link to each other with the RS485 interface of described control centre, receive control centre to the control signal of described clipping the ball/The Cloud Terrace and insert vision signal, by the RS485 coding box of coaxial cable transmission;
Link to each other with the RS485 interface of described clipping the ball/The Cloud Terrace, the control signal that described clipping the ball/The Cloud Terrace is obtained detects and decodes, and the RS485 decoder box that sends by coaxial cable after vision signal processed.
2. coaxial video control system as claimed in claim 1 is characterized in that, described clipping the ball/The Cloud Terrace comprises an integrated camera that is used for monitoring and obtains vision signal.
3. coaxial video control system as claimed in claim 1 or 2 is characterized in that, described RS485 decoder box comprises:
Directly link to each other with the video output interface of described clipping the ball/The Cloud Terrace, be used for vision signal is amplified the video amplification unit of rear output;
Directly link to each other with the video output interface of described clipping the ball/The Cloud Terrace, vision signal is carried out the blanking interval detecting unit that blanking interval detects;
Link to each other with the output of described video amplification unit, the vision signal after amplifying is compared and the data comparator of processing again;
Input connects respectively described blanking interval detecting unit and data comparator, controls the Single-chip Controlling unit of whole RS485 decoder box operating state; And
Be connected to the RS485 chip between the RS485 interface of the output of described Single-chip Controlling unit and described clipping the ball/The Cloud Terrace.
4. coaxial video control system as claimed in claim 1 or 2 is characterized in that, described RS485 coding box comprises:
Link to each other with the video input interface of described control centre, to the second video amplification unit that is amplified by the vision signal of coaxial line transmission;
Link to each other with the video input interface of described control centre, vision signal is carried out the second blanking interval detecting unit that blanking interval detects;
Link to each other with the input of described video amplification unit, described control centre is inserted the control signal plug-in unit of vision signal to the control signal of clipping the ball/The Cloud Terrace;
Be connected between described blanking interval detecting unit and the control signal plug-in unit, control the second singlechip control unit of whole RS485 coding box operating state; And
Be connected to the 2nd RS485 chip between the RS485 interface of the input of described second singlechip control unit and described control centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510229 CN202907093U (en) | 2012-09-29 | 2012-09-29 | Coaxial visual control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510229 CN202907093U (en) | 2012-09-29 | 2012-09-29 | Coaxial visual control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202907093U true CN202907093U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220510229 Expired - Fee Related CN202907093U (en) | 2012-09-29 | 2012-09-29 | Coaxial visual control system |
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| CN (1) | CN202907093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601940A (en) * | 2014-01-13 | 2015-05-06 | 杭州海康威视数字技术股份有限公司 | Coaxial perceptron technology implementing method and device |
-
2012
- 2012-09-29 CN CN 201220510229 patent/CN202907093U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601940A (en) * | 2014-01-13 | 2015-05-06 | 杭州海康威视数字技术股份有限公司 | Coaxial perceptron technology implementing method and device |
| CN104601940B (en) * | 2014-01-13 | 2016-06-01 | 杭州海康威视数字技术股份有限公司 | A kind of implementation method and device coaxially looking control techniques |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CHUANGGUAN INTELLIGENT NETWORK TECHNOLOGY Free format text: FORMER OWNER: CHINA SECURITY + SURVEILLANCE INTELLIGENCE (PRC), INC. Effective date: 20140416 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 518053 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140416 Address after: Shenzhen City, Nanshan District North Road and Guangdong intersection, 518053 deep cloud wisdom Plaza C building 3 floor Patentee after: Shenzhen Chuangguan Intelligent Network Technology Co., Ltd. Address before: 518000 Guangdong province Shenzhen City Guangming Street PENAVICO constant high tech Industrial Park Building 1 building 1-5, building 2, building 1-5, building 3 floor 1-2 Patentee before: China Secunity & Surveillance Intelligence (PRC), Inc. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20170929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |