CN203015036U - Digital video light exchange transmission platform - Google Patents
Digital video light exchange transmission platform Download PDFInfo
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- CN203015036U CN203015036U CN 201220675961 CN201220675961U CN203015036U CN 203015036 U CN203015036 U CN 203015036U CN 201220675961 CN201220675961 CN 201220675961 CN 201220675961 U CN201220675961 U CN 201220675961U CN 203015036 U CN203015036 U CN 203015036U
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Abstract
The utility model provides a digital video light exchange transmission platform. The digital video light exchange transmission platform comprises a wave separator, an input interface unit, a light exchange matrix unit, an output interface unit, a wave combiner and a control unit, wherein the wave separator is provided with a signal input end and a signal output end, the input interface unit is provided with a video signal input end, a control signal input end and a video/digital signal output end, the light exchange matrix unit is provided with a video/digital signal input end, a control signal input end and a signal output end, the output interface unit is provided with a video/digital signal input end, a signal output end and a control signal input end, the wave combiner (5) is provided with a signal input end and a signal output end, the control unit is provided with a first control signal output end, a second control signal output end and a third control signal output end, and each port is respectively in electrical connection correspondingly. The digital video light exchange transmission platform carries out digital video fiber transmission through a network and has properties of high definition of transmission images, good real-time performance, rich interfaces and convenient organization of a private video network.
Description
Technical field
The utility model relates to the digital fiber communication technical field, is specifically related to a kind of transmission with digital video and is exchanged for the digital video light exchange transmission platform of core business.
Background technology
Early stage video optical fiber transmission technique mainly adopts the mode of analog AM, frequency modulation/phase modulation, due to the analog signal poor anti jamming capability, multiplexed loaded down with trivial details, the signal transmission quality is not good enough and higher to the components and parts performance requirement, thereby is progressively replaced by the digital video transmission technology.Common digital video transmission equipment is point-to-point digital video fiber optic transmitter, and this type of video optical multiplexer can also provide access and the transmission of audio frequency, data simultaneously except transmission of video is provided.This class optical transceiver can be completed the transmission quality work such as dynamic image preferably preferably in comparatively simple video monitoring system.But in large-scale supervisory control system, when using as the traffic surveillance and control system of metropolitan area etc., obviously unable to do what one wishes.
The utility model content
The purpose of this utility model is: overcome the deficiencies in the prior art, provide a kind of and collect non-compression/compressed digital video Optical Fiber Transmission, network and digital video matrix function, digitlization storage, by Internet Transmission and image definition is high, real-time is good digital video light exchange transmission platform.
The technical solution of the utility model is: digital video light of the present utility model exchange transmission platform, and its design feature is: comprise channel-splitting filter, input interface unit, optical switching matrix unit, output interface unit, wave multiplexer and control unit;
Above-mentioned channel-splitting filter is provided with signal input part and signal output part; Input interface unit is provided with video signal input terminal, control signal input and video/digital signal output end; The optical switching matrix unit is provided with video/digital signal input end, control signal input and signal output part; The output interface unit is provided with video/digital signal input end, signal output part and control signal input; Wave multiplexer is provided with signal input part and signal output part; Control unit is provided with the first control signal output, the second control signal output and the 3rd control signal output;
When using, the signal input part of above-mentioned channel-splitting filter is electrically connected to signal source input optical cable; The video signal input terminal of input interface unit is electrically connected to the signal output part of channel-splitting filter; The control signal input of input interface unit is electrically connected to the first control signal output of control unit; Video/the digital signal input end of optical switching matrix unit is electrically connected to the video/digital signal output end of input interface unit; The control signal input of optical switching matrix unit is electrically connected to the second control signal output of control unit; Video/the digital signal input end of output interface unit is electrically connected to the signal output part of optical switching matrix unit; The control signal input of output interface unit is electrically connected to the 3rd control signal output of control unit; The signal input part of wave multiplexer is electrically connected to the signal output part of output interface unit; The signal output part of wave multiplexer is electrically connected to transmission cable when using.
The utlity model has positive effect: (1) digital video light exchange of the present utility model transmission platform, have network and digital video matrix function, can carry out the digital video Optical Fiber Transmission by IP network, and the image definition of transmission is high, real-time good.(2) digital video light of the present utility model exchange transmission platform can the transmission of digital non-compression video, again can the transmission of digital compressed video, and compatible good, rich interface, and signal can be carried out the digitlization storage.(3) can effectively adapt to the use needs of the large-scale supervisory control system such as metropolitan area intelligent transportation comprehensive monitoring system, organize the video private network convenient.
Description of drawings
Fig. 1 is a kind of electric theory structure block diagram of the present utility model.
Reference numeral in above-mentioned accompanying drawing is as follows:
Channel-splitting filter 1,
Optical switching matrix unit 3,
Output interface unit 4,
Wave multiplexer 5,
Control unit 6.
Embodiment
(embodiment 1)
See Fig. 1, the digital video light of the present embodiment exchange transmission platform mainly is comprised of channel-splitting filter 1, input interface unit 2, optical switching matrix unit 3, output interface unit 4, wave multiplexer 5 and control unit 6.
Channel-splitting filter 1 is provided with signal input part and signal output part, and input interface unit 2 is provided with video signal input terminal, control signal input and video/digital signal output end; Optical switching matrix unit 3 is provided with video/digital signal input end, control signal input and signal output part; Output interface unit 4 is provided with video/digital signal input end, signal output part and control signal input; Wave multiplexer 5 is provided with signal input part and signal output part; Control unit 6 is provided with the first control signal output, the second control signal output and the 3rd control signal output.
When using, the signal input part of channel-splitting filter 1 is electrically connected to signal source input optical cable; The video signal input terminal of input interface unit 2 is electrically connected to the signal output part of channel-splitting filter 1; The control signal input of input interface unit 2 is electrically connected to the first control signal output of control unit 6; Video/the digital signal input end of optical switching matrix unit 3 is electrically connected to the video/digital signal output end of input interface unit 2; The control signal input of optical switching matrix unit 3 is electrically connected to the second control signal output of control unit 6; Video/the digital signal input end of output interface unit 4 is electrically connected to the signal output part of optical switching matrix unit 3; The control signal input of output interface unit 4 is electrically connected to the 3rd control signal output of control unit 6; The signal input part of wave multiplexer 5 is electrically connected to the signal output part of output interface unit 4; The signal output part of wave multiplexer 5 is electrically connected to transmission cable when using.
Gather front and back end equipment interface state by built-in LFE2M50-672 and (comprise video, data, audio frequency, E1(G.70 100,000,000/gigabit networking, data, optical mode etc.), communicate by letter with pc end webmastering software by network interface by single-chip microcomputer (PIC) after SPI and single-chip microcomputer again, thereby realize webmaster.
As preferred embodiment, the part technical parameter of the digital video light of the present embodiment exchange transmission platform as shown in Table 1:
Table one
The digital video light exchange transmission platform of the present embodiment has network and digital video matrix function, can carry out the digital video Optical Fiber Transmission by IP network, and the image definition of transmission is high, real-time good; Can the transmission of digital non-compression video, again can the transmission of digital compressed video, compatible good, rich interface, and signal can be carried out the digitlization storage; The use needs that can effectively adapt to the large-scale supervisory control system such as metropolitan area intelligent transportation comprehensive monitoring system organize the video private network convenient.
Above embodiment is the explanation to embodiment of the present utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not in the situation that break away from spirit and scope of the present utility model; can also make various conversion and variation and obtain the corresponding technical scheme that is equal to, so all technical schemes that are equal to all should be included into scope of patent protection of the present utility model.
Claims (1)
1. a digital video light exchange transmission platform, is characterized in that: comprise channel-splitting filter (1), input interface unit (2), optical switching matrix unit (3), output interface unit (4), wave multiplexer (5) and control unit (6);
Described channel-splitting filter (1) is provided with signal input part and signal output part; Input interface unit (2) is provided with video signal input terminal, control signal input and video/digital signal output end; Optical switching matrix unit (3) is provided with video/digital signal input end, control signal input and signal output part; Output interface unit (4) is provided with video/digital signal input end, signal output part and control signal input; Wave multiplexer (5) is provided with signal input part and signal output part; Control unit (6) is provided with the first control signal output, the second control signal output and the 3rd control signal output;
When using, the signal input part of described channel-splitting filter (1) is electrically connected to signal source input optical cable; The video signal input terminal of input interface unit (2) is electrically connected to the signal output part of channel-splitting filter (1); The control signal input of input interface unit (2) is electrically connected to the first control signal output of control unit (6); Video/the digital signal input end of optical switching matrix unit (3) is electrically connected to the video/digital signal output end of input interface unit (2); The control signal input of optical switching matrix unit (3) is electrically connected to the second control signal output of control unit (6); Video/the digital signal input end of output interface unit (4) is electrically connected to the signal output part of optical switching matrix unit (3); The control signal input of output interface unit (4) is electrically connected to the 3rd control signal output of control unit (6); The signal input part of wave multiplexer (5) is electrically connected to the signal output part of output interface unit (4); The signal output part of wave multiplexer (5) is electrically connected to transmission cable when using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675961 CN203015036U (en) | 2012-12-10 | 2012-12-10 | Digital video light exchange transmission platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675961 CN203015036U (en) | 2012-12-10 | 2012-12-10 | Digital video light exchange transmission platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203015036U true CN203015036U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220675961 Expired - Fee Related CN203015036U (en) | 2012-12-10 | 2012-12-10 | Digital video light exchange transmission platform |
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| CN (1) | CN203015036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103873833B (en) * | 2012-12-10 | 2017-06-20 | 常州华龙通信科技有限公司 | Digital video light exchanges transmission platform |
-
2012
- 2012-12-10 CN CN 201220675961 patent/CN203015036U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103873833B (en) * | 2012-12-10 | 2017-06-20 | 常州华龙通信科技有限公司 | Digital video light exchanges transmission platform |
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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: 20130619 Termination date: 20201210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |