CN103873833B - Digital video light exchanges transmission platform - Google Patents
Digital video light exchanges transmission platform Download PDFInfo
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- CN103873833B CN103873833B CN201210525994.XA CN201210525994A CN103873833B CN 103873833 B CN103873833 B CN 103873833B CN 201210525994 A CN201210525994 A CN 201210525994A CN 103873833 B CN103873833 B CN 103873833B
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Abstract
The present invention provides a kind of digital video light and exchanges transmission platform, including channel-splitting filter, input interface unit, optical switching matrix unit, output interface unit, wave multiplexer and control unit；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；Optical switching matrix unit is provided with video/digital signal input end, control signal input and signal output part；Output interface unit 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 is provided with the first control signal output, the second control signal output and the 3rd control signal output；Each port corresponds to electrical connection respectively.The present invention carries out digital video Optical Fiber Transmission by network, and transmission image definition is high, real-time is good, and rich interface, organizing video private network is convenient.
Description
Technical field
The present invention relates to digital fiber communication technical field, and in particular to a kind of with the transmission of digital video and to be exchanged for core
The digital video light of heart business exchanges transmission platform.
Background technology
The video optical fiber transmission technique of early stage mainly by the way of analog AM, frequency modulation/phase modulation, because analog signal is anti-
Interference performance is poor, multiplexes cumbersome, transmission signal quality defect and higher thus progressively digital to component performance requirement
Video transmission technologies are replaced.Common digital video transmission equipment is point-to-point digital video fiber optic transmitter, such video light
Terminal can also simultaneously provide audio, the access of data and transmission in addition to transmission of video is provided.This kind of optical transmitter and receiver is relatively simple
Video monitoring system in, can preferably complete the work such as the preferable dynamic image of transmission quality.But supervising on a large scale
It is when the traffic surveillance and control system of control system, such as metropolitan area is applied, then substantially unable to do what one wishes.
The content of the invention
The purpose of the present invention is：Overcome the deficiencies in the prior art, there is provided one kind collects uncompressed/compression digital video optical fiber and passes
Defeated, network and digital video matrix function, digitlization storage, by network transmission and image definition is high, real-time is good number
Word video light exchanges transmission platform.
The technical scheme is that：Digital video light of the invention exchanges transmission platform, and it is structurally characterized in that：Including dividing
Ripple device, 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 vision signal input
End, control signal input and video/digital signal output end；Optical switching matrix unit be provided with video/digital signal input end,
Control signal input and signal output part；Output interface unit is provided with video/digital signal input end, signal output part and control
Signal input part processed；Wave multiplexer is provided with signal input part and signal output part；Control unit be provided with the first control signal output,
Second control signal output and the 3rd control signal output；
Electrically connected with signal source input optical cable when the signal input part of above-mentioned channel-splitting filter is used；Input interface unit is regarded
Frequency signal input part is electrically connected with the signal output part of channel-splitting filter；The control signal input and control unit of input interface unit
The first control signal output electrical connection；Video/the digital signal input end and input interface unit of optical switching matrix unit
The electrical connection of video/digital signal output end；The control signal input of optical switching matrix unit is controlled with the second of control unit
Signal output part electrical connection processed；Video/the digital signal input end of output interface unit is defeated with the signal of optical switching matrix unit
Go out end electrical connection；The control signal input of output interface unit is electrically connected with the 3rd control signal output of control unit；
The signal input part of wave multiplexer is electrically connected with the signal output part of output interface unit；When the signal output part of wave multiplexer is used with
Transmission cable is electrically connected.
The present invention has positive effect：（1）Digital video light of the invention exchanges transmission platform, with network and numeral
Video matrix function, can carry out digital video Optical Fiber Transmission by IP network, and the image definition of transmission is high, real-time is good.
（2）Digital video light of the invention exchanges transmission platform, can transmit digital non-compression video, digital compression can be transmitted again and is regarded
Frequently, compatible good, rich interface, and signal can be digitized storage.（3）Metropolitan area intelligent transportation synthesis can be effectively adapted to
Using for the large-scale monitoring system such as monitoring system needs, and organizing video private network is convenient.
Brief description of the drawings
Fig. 1 is a kind of electric theory structure block diagram of the invention.
Reference in above-mentioned accompanying drawing is as follows：
Channel-splitting filter 1,
Input interface unit 2,
Optical switching matrix unit 3,
Output interface unit 4,
Wave multiplexer 5,
Control unit 6.
Specific embodiment
（Embodiment 1）
See Fig. 1, the digital video light of the present embodiment exchanges transmission platform, mainly by channel-splitting filter 1, input interface unit 2, light
Switching matrix unit 3, output interface unit 4, wave multiplexer 5 and control unit 6 are constituted.
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 part processed and video/digital signal output end；Optical switching matrix unit 3 is provided with video/digital signal input end, control
Signal input part and signal output part；Output interface unit 4 is provided with video/digital signal input end, signal output part and control
Signal input part；Wave multiplexer 5 is provided with signal input part and signal output part；Control unit 6 be provided with the first control signal output,
Second control signal output and the 3rd control signal output.
Electrically connected with signal source input optical cable when the signal input part of channel-splitting filter 1 is used；The video letter of input interface unit 2
Number input is electrically connected with the signal output part of channel-splitting filter 1；The control signal input of input interface unit 2 and control unit 6
The first control signal output electrical connection；Video/the digital signal input end and input interface unit of optical switching matrix unit 3
2 video/digital signal output end electrical connection；The control signal input of optical switching matrix unit 3 and the second of control unit 6
Control signal output is electrically connected；Video/the digital signal input end of output interface unit 4 and the letter of optical switching matrix unit 3
The electrical connection of number output end；The control signal input of output interface unit 4 is electric with the 3rd control signal output of control unit 6
Connection；The signal input part of wave multiplexer 5 is electrically connected with the signal output part of output interface unit 4；The signal output part of wave multiplexer 5
Electrically connected with transmission cable when using.
Interface unit 2 mainly includes 4 optical interfaces, video interface, network interface and 2 data-interfaces.4 optical ports are by 4 SFP
Optical module is constituted, and is had individual optical port to pass through 4 Ethernet switch controller Ethernet cards and is connected.Optical switching matrix unit 3 and control
The function of unit 6 is mainly realized by main view frequency/data function card, master network transmission card and video network soft exchange card.Main view
Frequently/data function card completes the access to 2 road analog videos, 1 circuit-switched data in this card, and realizes network management and Optical Fiber Transmission
Etc. function；Main view frequency/data function card is connected by 96 core sockets with backboard simultaneously, is completed and each function by LVDS lines group
The communication of card or intermodule；Collect other all signals in cabinet in addition to network by backboard.Master network transmission card completes to receive
The data of the shared 1000M power ports transmission of 100M signals and 4 tunnels of collection video and the card transmission of reception video network soft exchange, letter
Number being pooled to integrated chip 88E6161 is then communicated to optical port；Video network soft exchange card is by integrated chip ECP2M50 4
Network and other Signal separators in individual optical port；Network signal is collected by integrated chip 88E6161 and sent out by a network interface again
To the 88E6161 of master network transmission card；Other signals are by serializer/and change device（SERDES）It is transferred to main video/data work(
The ECP2M50 treatment that can block.
Front and back end equipment interface state is gathered by built-in LFE2M50-672（Including video, data, audio, E1
（G.70 100,000,000/gigabit networking, data, optical mode etc.）, then by single-chip microcomputer after SPI and single-chip microcomputer（PIC）By network interface and pc ends
Webmastering software communicates, so as to realize webmaster.
Used as preferred embodiment, the digital video light of the present embodiment exchanges the portion of techniques parameter such as table of transmission platform
Shown in one：
Table one
The digital video light of the present embodiment exchanges transmission platform, with network and digital video matrix function, can pass through IP
Network carries out digital video Optical Fiber Transmission, and the image definition of transmission is high, real-time is good；Numeral can be transmitted uncompressed to regard
Frequently, digital compressed video, compatible good, rich interface can be transmitted again, and signal can be digitized storage；Can effectively fit
The needs that use of the large-scale monitoring systems such as metropolitan area intelligent transportation comprehensive monitoring system are answered, organizing video private network is convenient.
Above example is the explanation to specific embodiment of the invention, rather than limitation of the present invention, relevant technology
The technical staff in field without departing from the spirit and scope of the present invention, can also make various conversion and change and obtain
To corresponding equivalent technical scheme, therefore all equivalent technical schemes should be included into patent protection model of the invention
Enclose.
Claims (1)
1. a kind of digital video light exchanges transmission platform, it is characterised in that：Including channel-splitting filter（1）, input interface unit（2）, light
Switching matrix unit（3）, output interface unit（4）, wave multiplexer（5）And control unit（6）；
Described channel-splitting filter（1）It is provided with signal input part and signal output part；Input interface unit（2）It is provided with vision signal input
End, control signal input and video/digital signal output end；Optical switching matrix unit（3）It is provided with video/data signal input
End, control signal input and signal output part；Output interface unit（4）It is provided with video/digital signal input end, signal output
End and control signal input；Wave multiplexer（5）It is provided with signal input part and signal output part；Control unit（6）It is provided with the first control
Signal output part processed, the second control signal output and the 3rd control signal output；
Described channel-splitting filter（1）Signal input part electrically connected with signal source input optical cable when using；Input interface unit（2）'s
Video signal input terminal and channel-splitting filter（1）Signal output part electrical connection；Input interface unit（2）Control signal input with
Control unit（6）The first control signal output electrical connection；Optical switching matrix unit（3）Video/digital signal input end
With input interface unit（2）The electrical connection of video/digital signal output end；Optical switching matrix unit（3）Control signal input
End and control unit（6）The second control signal output electrical connection；Output interface unit（4）The input of video/data signal
End and optical switching matrix unit（3）Signal output part electrical connection；Output interface unit（4）Control signal input with control
Unit（6）The 3rd control signal output electrical connection；Wave multiplexer（5）Signal input part and output interface unit（4）Letter
The electrical connection of number output end；Wave multiplexer（5）Signal output part electrically connected with transmission cable when using；
Described interface unit（2）Including 4 optical interfaces, 2 data-interfaces and video interface and network interface；4 optical interfaces are by 4
Individual SFP optical modules are constituted；Optical switching matrix unit（3）And control unit（6）Network management is realized jointly and including video, sound
Frequently, the transmission of network signal and analog signalses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210525994.XA CN103873833B (en) | 2012-12-10 | 2012-12-10 | Digital video light exchanges transmission platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210525994.XA CN103873833B (en) | 2012-12-10 | 2012-12-10 | Digital video light exchanges transmission platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103873833A CN103873833A (en) | 2014-06-18 |
| CN103873833B true CN103873833B (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210525994.XA Active CN103873833B (en) | 2012-12-10 | 2012-12-10 | Digital video light exchanges transmission platform |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267817B (en) * | 2016-12-30 | 2019-06-25 | 中兴通讯股份有限公司 | A kind of optic switching device, optical connecting device and optical connector |
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| CN1717113A (en) * | 2004-07-02 | 2006-01-04 | 电子科技大学 | Photoelectric mixed exchanging struture supporting light burst/group exchanging |
| CN101039528A (en) * | 2007-02-02 | 2007-09-19 | 东南大学 | Graded control computer system based on optical packet switch and optical multicast |
| CN101621719A (en) * | 2009-07-29 | 2010-01-06 | 电子科技大学 | Switch processor matched with core node of hybrid optical switching network |
| CN102075821A (en) * | 2010-12-27 | 2011-05-25 | 重庆邮电大学 | Shared wavelength converter device and optical packet collision solving method |
| CN102439993A (en) * | 2009-07-28 | 2012-05-02 | 华为技术有限公司 | Apparatus and method for colorless optical switch |
| CN203015036U (en) * | 2012-12-10 | 2013-06-19 | 常州华龙通信科技有限公司 | Digital video light exchange transmission platform |
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2012
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| CN1717113A (en) * | 2004-07-02 | 2006-01-04 | 电子科技大学 | Photoelectric mixed exchanging struture supporting light burst/group exchanging |
| CN101039528A (en) * | 2007-02-02 | 2007-09-19 | 东南大学 | Graded control computer system based on optical packet switch and optical multicast |
| CN102439993A (en) * | 2009-07-28 | 2012-05-02 | 华为技术有限公司 | Apparatus and method for colorless optical switch |
| CN101621719A (en) * | 2009-07-29 | 2010-01-06 | 电子科技大学 | Switch processor matched with core node of hybrid optical switching network |
| CN102075821A (en) * | 2010-12-27 | 2011-05-25 | 重庆邮电大学 | Shared wavelength converter device and optical packet collision solving method |
| CN203015036U (en) * | 2012-12-10 | 2013-06-19 | 常州华龙通信科技有限公司 | Digital video light exchange transmission platform |
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