CN101621676B - Cascade connection type video optical transmitter and receiver with protection of optical self-healing ring - Google Patents
Cascade connection type video optical transmitter and receiver with protection of optical self-healing ring Download PDFInfo
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- CN101621676B CN101621676B CN2009100633959A CN200910063395A CN101621676B CN 101621676 B CN101621676 B CN 101621676B CN 2009100633959 A CN2009100633959 A CN 2009100633959A CN 200910063395 A CN200910063395 A CN 200910063395A CN 101621676 B CN101621676 B CN 101621676B
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Abstract
The invention relates to a cascade connection type video optical transmitter and receiver with the protection of an optical self-healing ring, which consists of a first-level cascade connection type video optical transmitter and receiver with the optical self-healing ring, a second-level cascade connection type video optical transmitter and receiver with the optical self-healing ring, a third-level cascade connection type video optical transmitter and receiver with the optical self-healing ring and the like until an Nth-level cascade connection type video optical transmitter and receiver withthe optical self-healing ring, wherein the N is a natural number smaller than or equal to 16 and more than or equal to 2. The cascade connection type video optical transmitter and receiver is characterized in that the adjacent levels of the cascade connection type video optical transmitter and receiver with the optical self-healing ring are connected through a single mode fiber, and the first-level cascade connection type video optical transmitter and receiver with the optical self-healing ring and the Nth-level cascade connection type video optical transmitter and receiver with the optical self-healing ring are connected through the single mode fiber, so as to form an optical link of the optical self-healing ring. The application reliability of a cascade connection type video optical transmitter and receiver system can be greatly improved by only increasing low cost. The optical links among all levels of the optical transmitter and receiver with the optical self-healing ring are interrupted, the data of video and the like can be automatically transmitted through the optical self-healing ring without influencing the normal video transmission.
Description
Technical field
The invention belongs to optical fiber communication and protection and monitor field, be specifically related to a kind of cascade connection type video optical transceiver with optical self-healing ring protection.
Background technology
The cascade connection type video optical transceivers of present a large amount of uses in highway monitoring along the line, each node is connected in series by single-core fiber in the system, is transferred to Surveillance center step by step.By the cascade connection type video optical transceiver, can effectively utilize fiber resource, realize highway video monitoring along the line.In fields such as freeway surveillance and controls, the cascade connection type video optical transceiver has obtained using widely.But there is a general problem in present widely used cascade connection type video optical transceiver in application, in case the single-core fiber on the transmission path is after any one breaks down exactly, then all nodes before the fault point will all interrupt to the video transmission of Centroid, unless repair fault point optical fiber, otherwise all nodes can't recover to the video transmission at center before the fault point.
Summary of the invention
Purpose of the present invention is in order to overcome problem and the shortcoming that above-mentioned prior art exists; a kind of cascade connection type video optical transceiver with optical self-healing ring protection is provided; under can the situation that any one optical fiber breaks down in node; the video transmission of all nodes of prime that optical fiber broken down by optical self-healing ring automatically switches to standby optical fiber, thus the optical fiber link that can avoid breaking down.System can automatically switch in real time, and can judge automatically and show the node break down at the center and report to the police, thereby increases substantially cascade connection type video optical transceiver system capable reliability in actual applications.
Technical scheme of the present invention is:
Cascade connection type video optical transceiver with optical self-healing ring protection, the cascade connection type video optical transceiver first order by the band optical self-healing ring, the cascade connection type video optical transceiver second level of band optical self-healing ring, the cascade connection type video optical transceiver third level of band optical self-healing ring ... until the cascade connection type video optical transceiver N level of band optical self-healing ring, the natural number of 2≤N≤16, it is characterized in that: the cascade connection type video optical transceiver adjacent level of band optical self-healing ring links to each other by monomode fiber, the cascade connection type video optical transceiver first order of band optical self-healing ring links to each other by monomode fiber with the cascade connection type video optical transceiver N level of band optical self-healing ring, forms the optical link of optical self-healing ring; The cascade connection type video optical transceiver first order of described band optical self-healing ring or N level are by crystal oscillator, on-site programmable gate array FPGA, the video a/d module, two strings also/parallel serial conversion module, two optical modules, on-site programmable gate array FPGA respectively with crystal oscillator, the video a/d module, two strings also/parallel serial conversion module links to each other, every string also/parallel serial conversion module is connected with an optical module, optical module is connected with the field programmable gate array (FPGA) of the cascade connection type video optical transceiver of adjacent band optical self-healing ring, another piece optical module of the cascade connection type video optical transceiver first order of band optical self-healing ring is connected with the on-site programmable gate array FPGA of the cascade connection type video optical transceiver N level of the band optical self-healing ring of final stage, another piece optical module of the cascade connection type video optical transceiver N level of band optical self-healing ring is connected with the on-site programmable gate array FPGA of the cascade connection type video optical transceiver first order of the band optical self-healing ring of the first order, the cascade connection type video optical transceiver of the band optical self-healing ring of intergrade is by crystal oscillator, on-site programmable gate array FPGA, the video a/d module, string also/parallel serial conversion module, an optical module, on-site programmable gate array FPGA respectively with crystal oscillator, the video a/d module, string also/parallel serial conversion module links to each other, string also/parallel serial conversion module is connected with optical module, optical module is connected with the on-site programmable gate array FPGA of the cascade connection type video optical transceiver of adjacent band optical self-healing ring.
Described FPGA is sent processing module and is formed by reverse data receiving processing module, local video receiving processing module, forward data receiving processing module, path handover module, two add-drop multiplexing modules, reverse data transmission processing module, transmission path judge module, forward data, the reverse data receiving processing module joins with transmission path judge module and path handover module respectively, and the transmission path judge module joins with the path handover module again; The path handover module respectively with local video receiving processing module, forward data receiving processing module, two add-drop multiplexing modules, add-drop multiplexing module and reverse data send processing module and join, and another piece add-drop multiplexing module joins with forward data transmission processing module.
Increase in the cascade connection type video optical transceiver first order equipment of band optical self-healing ring of the present invention be used for optical self-healing ring photoelectricity/electric light string also/parallel serial conversion module, cascade connection type video optical transceiver final stage (N level) increase be used for optical self-healing ring photoelectricity/electric light string also/parallel serial conversion module.Interior transmission path judge module and the path handover module of increasing of equipment at different levels with cascade connection type video optical transceiver of optical self-healing ring protection.
The equipment of the present invention relates to can be had no progeny in the optical link between any two adjacent nodes in the cascade connection type video optical transceiver system capable, utilize optical self-healing ring to realize the transmission automatic switchover of all node devices that the fault optical link is preceding, and be transferred to cascade connection type video optical transceiver final stage (N level) by optical self-healing ring.Invention has the following advantages and good effect:
Only needing increases very low cost, just can increase substantially cascade connection type video optical transceiver system capable reliability of applying.
Be embodied in, each the inter-stage generation optical link of optical transceiver that has optical self-healing ring interrupts, and can by optical self-healing ring data such as video be transmitted by optical self-healing ring automatically, does not influence normal video transmission, simultaneously can obtain position of failure point in real time, be convenient to investigate fast dependent failure at the center.
Description of drawings
Fig. 1 is the network configuration block diagram of common cascade connection type video optical multiplexer.
Fig. 2 is the network configuration block diagram with cascade connection type video optical transceiver of optical self-healing ring protection.
Fig. 3 is for being the structural representation with cascade connection type video optical transceiver first order of optical self-healing ring protection.
Fig. 4 is the interior software module block diagram of cascade connection type video optical transceiver first order FPGA with optical self-healing ring protection.
Embodiment
The present invention will be described in detail below in conjunction with accompanying drawing:
As Fig. 2, shown in Figure 3, the present invention is by the cascade connection type video optical transceiver first order 1 of band optical self-healing ring, the cascade connection type video optical transceiver second level 2 of band optical self-healing ring, the cascade connection type video optical transceiver third level 3...... of band optical self-healing ring is until the cascade connection type video optical transceiver N level N of band optical self-healing ring, the natural number of 2≤N≤16, the cascade connection type video optical transceiver adjacent level of band optical self-healing ring links to each other by monomode fiber 0, the cascade connection type video optical transceiver first order 1 of band optical self-healing ring links to each other by monomode fiber 0 with the cascade connection type video optical transceiver N level N of band optical self-healing ring, forms the optical link of optical self-healing ring; The cascade connection type video optical transceiver first order of described band optical self-healing ring or N level are by crystal oscillator 1.1, on-site programmable gate array FPGA 1.3, video a/d module 1.2, two strings also/parallel serial conversion module (1.4,1.6), two optical modules (1.5,1.7), on-site programmable gate array FPGA 1.3 respectively with crystal oscillator 1.1, video a/d module 1.2, two strings also/parallel serial conversion module (1.4,1.6) link to each other, every string also/parallel serial conversion module is connected with an optical module, optical module 1.5 is connected with the on-site programmable gate array FPGA 1.3 of the cascade connection type video optical transceiver of adjacent band optical self-healing ring, another piece optical module 1.7 of the cascade connection type video optical transceiver first order 1 of band optical self-healing ring is connected with the on-site programmable gate array FPGA 1.3 of the cascade connection type video optical transceiver N level N of the band optical self-healing ring of final stage, another piece optical module 1.7 of the cascade connection type video optical transceiver N level of band optical self-healing ring is connected with the on-site programmable gate array FPGA 1.3 of the cascade connection type video optical transceiver first order 1 of the band optical self-healing ring of the first order, the cascade connection type video optical transceiver of the band optical self-healing ring of intergrade is by crystal oscillator 1.1, on-site programmable gate array FPGA 1.3, video a/d module 1.2, string also/parallel serial conversion module 1.4, an optical module 1.5, on-site programmable gate array FPGA 1.3 respectively with crystal oscillator 1.1, video a/d module 1.2, string also/parallel serial conversion module 1.4 links to each other, string also/parallel serial conversion module 1.4 is connected with optical module 1.5, optical module 1.5 is connected with the on-site programmable gate array FPGA 1.3 of the cascade connection type video optical transceiver of adjacent band optical self-healing ring.
As shown in Figure 3, the cascade connection type video optical transceiver of band optical self-healing ring provides work clock by crystal oscillator 1.1 for FPGA1.3, video a/d module 1.2 is converted to the video of analog input 8 or 10 s' parallel data signal, join with FPGA1.3 then, string also/parallel serial conversion module SERDES1.4 is connected successively with optical module 1.5, optical module 1.5 is connected by monomode fiber with the cascade connection type video optical transceiver second level of being with Self-healing Rings.String also/parallel serial conversion module SERDES1.6 is connected successively with optical module 1.7, optical module 1.7 is connected by monomode fiber with the cascade connection type video optical transceiver N level of being with Self-healing Rings.
Crystal oscillator 1.1 adopts the 60.000M clock;
Video a/d module 1.2 is made of the ADC1175 and the coherent signal conditioning amplifying circuit of NS company;
FPGA adopts the EP2C5 of ALTERA company;
String also/parallel serial conversion module SERDES1.4 and string also/parallel serial conversion module SERDES1.6 all adopts the TLK2521 of TI company;
Optical module 1.5 adopts 2.5G bps simplex optical module, and transmission range is selected for use according to actual conditions, generally can select the 20Km type for use;
Optical module 1.7 adopts 2.5G bps simplex optical module, selects for use according to actual conditions, generally can select the optical module of 80Km or bigger transmission range for use.
Be illustrated in figure 4 as the inner main modular Organization Chart of FPGA.Described FPGA is by reverse data receiving processing module 1.3.1, local video receiving processing module 1.3.2, forward data receiving processing module 1.3.3, path handover module 1.3.4, two add-drop multiplexing module (1.3.5,1.3.8), reverse data sends processing module 1.3.6, transmission path judge module 1.3.7, forward data sends processing module 1.3.9 and forms, reverse data receiving processing module 1.3.1 joins with transmission path judge module 1.3.7 and path handover module 1.3.4 respectively, and transmission path judge module 1.3.7 joins with path handover module 1.3.4 again; Path handover module 1.3.4 respectively with local video receiving processing module 1.3.2, forward data receiving processing module 1.3.3, two add-drop multiplexing module (1.3.5,1.3.8), add-drop multiplexing module 1.3.5 and reverse data send processing module 1.3.6 and join, and another piece add-drop multiplexing module 1.3.8 and forward data transmission processing module 1.3.9 join.
Each module operation principle is that reverse data receiving processing module 1.3.1 carries out descrambling and demultiplexing, by transmission path judge module 1.3.7 the data after handling is carried out analysis and judgement, and adds normal flag information at the corresponding levels on the reverse transfer data.When transmission path judge module 1.3.7 extracts arbitrary grade of flag information of prime during in deal with data and loses, then control path handover module 1.3.4 the data path that local video receiving processing module 1.3.2 and reverse data receiving processing module 1.3.1 receive is switched to add-drop multiplexing module 1.3.5, divide the difference Multiplexing module to be responsible for again, send processing module 1.3.6 by reverse data and send after with data scrambling these data multiplexs.
Claims (2)
1. the cascade connection type video optical transceiver that has the optical self-healing ring protection, the cascade connection type video optical transceiver first order by the band optical self-healing ring, the cascade connection type video optical transceiver second level of band optical self-healing ring, the cascade connection type video optical transceiver third level of band optical self-healing ring ... the cascade connection type video optical transceiver N level until the band optical self-healing ring is formed, the natural number of 3≤N≤16, it is characterized in that: the cascade connection type video optical transceiver adjacent level of band optical self-healing ring links to each other by monomode fiber, the cascade connection type video optical transceiver first order of band optical self-healing ring links to each other by monomode fiber with the cascade connection type video optical transceiver N level of band optical self-healing ring, forms the optical link of optical self-healing ring; The cascade connection type video optical transceiver first order of described band optical self-healing ring or N level are by crystal oscillator, on-site programmable gate array FPGA, the video a/d module, two strings also/parallel serial conversion module, two optical modules are formed, on-site programmable gate array FPGA respectively with crystal oscillator, the video a/d module, two strings also/parallel serial conversion module links to each other, every string also/parallel serial conversion module is connected with an optical module, optical module is connected with the on-site programmable gate array FPGA of the cascade connection type video optical transceiver of adjacent band optical self-healing ring, another piece optical module of the cascade connection type video optical transceiver first order of band optical self-healing ring is connected with the on-site programmable gate array FPGA of the cascade connection type video optical transceiver N level of the band optical self-healing ring of final stage, another piece optical module of the cascade connection type video optical transceiver N level of band optical self-healing ring is connected with the on-site programmable gate array FPGA of the cascade connection type video optical transceiver first order of the band optical self-healing ring of the first order, the cascade connection type video optical transceiver of the band optical self-healing ring of intergrade is by crystal oscillator, on-site programmable gate array FPGA, the video a/d module, string also/parallel serial conversion module, an optical module is formed, on-site programmable gate array FPGA respectively with crystal oscillator, the video a/d module, string also/parallel serial conversion module links to each other, string also/parallel serial conversion module is connected with optical module, optical module is connected with the on-site programmable gate array FPGA of the cascade connection type video optical transceiver of adjacent band optical self-healing ring.
2. the cascade connection type video optical transceiver with optical self-healing ring protection according to claim 1, it is characterized in that: described FPGA is sent processing module and is formed by reverse data receiving processing module, local video receiving processing module, forward data receiving processing module, path handover module, two add-drop multiplexing modules, reverse data transmission processing module, transmission path judge module, forward data, the reverse data receiving processing module joins with transmission path judge module and path handover module respectively, and the transmission path judge module joins with the path handover module again; The path handover module joins with local video receiving processing module, forward data receiving processing module, two add-drop multiplexing modules respectively, add-drop multiplexing module and reverse data send processing module and join, and another piece add-drop multiplexing module joins with forward data transmission processing module.
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| CN2009100633959A CN101621676B (en) | 2009-07-31 | 2009-07-31 | Cascade connection type video optical transmitter and receiver with protection of optical self-healing ring |
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| CN2009100633959A CN101621676B (en) | 2009-07-31 | 2009-07-31 | Cascade connection type video optical transmitter and receiver with protection of optical self-healing ring |
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| CN101621676B true CN101621676B (en) | 2011-09-28 |
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| CN104065936B (en) * | 2013-03-21 | 2017-07-07 | 杭州海康威视数字技术股份有限公司 | Node optical transmitter and receiver carries out the method and the node optical transmitter and receiver of video data transmission |
| CN103200395B (en) * | 2013-04-08 | 2015-09-30 | 广州市澳视光电子技术有限公司 | A kind of intelligent newspapers barrier optical transmitter and receiver and network management client end system thereof |
| CN104469331A (en) * | 2013-09-24 | 2015-03-25 | 上海欧脉电子科技发展有限公司 | Single-fiber serial-connection many-to-one optical transmitter and receiver |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159639Y (en) * | 1993-02-26 | 1994-03-23 | 中国矿业大学 | Mineral video frequency optical terminal |
| US5719779A (en) * | 1994-05-03 | 1998-02-17 | Gilbarco Inc. | Audio and video transmission from a fuel station store to a fuel pump communication unit |
| CN1725855A (en) * | 2004-07-19 | 2006-01-25 | 上海市市政工程管理处 | Video monitoring system for elevated line traffic |
| CN101001118A (en) * | 2007-01-09 | 2007-07-18 | 深圳洪迪实业有限公司 | Multiplexer cascade optical-fibre terminal system |
| CN101087073A (en) * | 2006-06-09 | 2007-12-12 | 扬州博达电气设备有限公司 | Automatic integrated service transmission system of power distribution network |
| CN201282528Y (en) * | 2008-11-06 | 2009-07-29 | 上海宽岱电讯科技发展有限公司 | Video optical transmitter-receiver with Ethernet interface |
-
2009
- 2009-07-31 CN CN2009100633959A patent/CN101621676B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159639Y (en) * | 1993-02-26 | 1994-03-23 | 中国矿业大学 | Mineral video frequency optical terminal |
| US5719779A (en) * | 1994-05-03 | 1998-02-17 | Gilbarco Inc. | Audio and video transmission from a fuel station store to a fuel pump communication unit |
| CN1725855A (en) * | 2004-07-19 | 2006-01-25 | 上海市市政工程管理处 | Video monitoring system for elevated line traffic |
| CN101087073A (en) * | 2006-06-09 | 2007-12-12 | 扬州博达电气设备有限公司 | Automatic integrated service transmission system of power distribution network |
| CN101001118A (en) * | 2007-01-09 | 2007-07-18 | 深圳洪迪实业有限公司 | Multiplexer cascade optical-fibre terminal system |
| CN201282528Y (en) * | 2008-11-06 | 2009-07-29 | 上海宽岱电讯科技发展有限公司 | Video optical transmitter-receiver with Ethernet interface |
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Owner name: WUHAN FIBERHOME ZHONGZHI DIGITAL TECHNOLOGY CO., L Free format text: FORMER OWNER: WUHAN HONGXIN COMMUNICATION TECHNOLOGY CO., LTD. Effective date: 20111129 |
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