CN103795458A - Optical fiber switching protection system and control method thereof - Google Patents
Optical fiber switching protection system and control method thereof Download PDFInfo
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- CN103795458A CN103795458A CN201310618247.5A CN201310618247A CN103795458A CN 103795458 A CN103795458 A CN 103795458A CN 201310618247 A CN201310618247 A CN 201310618247A CN 103795458 A CN103795458 A CN 103795458A
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Abstract
An optical fiber switching protection system is provided. The optical fiber switching protection system comprises transmission equipment for sending communication signals and transmission routes for transmitting signals. The system further comprises optical fiber switching equipment for performing optical fiber switching; the optical fiber switching equipment is provided with a switching unit and a detection unit; after entering the optical fiber switching equipment, the communication signals are transmitted to the transmission routes; and the transmission equipment is provided with a power supplying unit, a control unit and a network management unit, wherein the power supplying unit supplies power for the system, and the network management unit is connected with the control unit. With the system adopted, the problem of requirements for a large quantity of manpower in optical fiber interruption can be solved; two transmission routes are simultaneously provided for the communication signals, so when one of the routes fails, signal transmission can be immediately switched to the other transmission route in 35ms, and therefore, it can be ensured that the signal transmission will not be interrupted.
Description
Technical field
The present invention relates to power system telecommunications technology field, be specifically related to optical fiber switch protecting system and control method thereof.
Background technology
Along with the development of the communication technology and the variation of demand, communications network has basically formed all-optical network, and transmission network security performance is had higher requirement.The transmission medium of Networks of Fiber Communications is optical cable, normal employing is buried, the mode such as built on stilts, due to the demand of urban construction in recent years, various engineering construction construction are comparatively frequent, the safety of communications optical cable has been produced to great hidden danger, and the event of digging disconnected communications optical cable in construction often has generation, and the natural calamity simultaneously taking place frequently also threatens the safety of communications optical cable.In communication failure event, wherein often occupy high ratio because of what communications optical cable fault occurred.If can be in the time that communications optical cable be sent out fault, find a kind of emergent means to ensure the proper communication of whole network, greatly improve undoubtedly the fail safe of network.At present emergent means mainly contain two kinds: 1. set up loop network, make it have self-healing function; 2. scheduling manually, in the time breaking down, is dispatched to business in an other optical cable route by artificial scene.The former, can realize certain network protection, but cannot tackle and above situation about simultaneously breaking down at 2, and necessarily require network Cheng Huan, cannot adapt to the whole circumstances.The latter, real-time is poor, and under current situation, there is harsh requirement the time that network is interrupted, and artificial spot dispatch obviously can not satisfy the demands.
Under the background of describing just, produce telecommunication optical fiber switched system in the above.That is: when when fracture occurs optical fiber, can be switched to preprepared optical fiber for subsequent use and communicate disconnected the optical fiber that fracture occurs by system, guarantee to recover proper communication within the short as far as possible time.
Summary of the invention
The object of this invention is to provide a kind of optical fiber switch protecting system and control method thereof, this system can, in the time that lightguide cable link breaks down, realize the switching of lightguide cable link automatically, thus the proper communication of the business of guarantee.
For achieving the above object, the present invention has adopted following technical scheme:
A kind of optical fiber switch protecting system; this system comprises the transmission route of the transmission equipment and the conveying signal that send signal of communication; this system also comprises the optical fiber switching device that carries out optical fiber switching; optical fiber switching device is provided with switch unit and probe unit, and signal of communication is transported to transmission route after entering optical fiber switching device.Described transmission equipment is provided with power supply unit, control unit and network management unit, and power supply unit is system power supply, network management unit connection control unit.
Described probe unit comprises the optical splitter of laser, detector and 97:3.
A kind of optical fiber switch protecting method, its step comprises: step 1, signal sending end, transmission equipment sends signal of communication and enters optical fiber switching device; The state of the probe unit probe transmission route on step 2, optical fiber switching device; If step 3 transmission route breaks down, the switch unit on optical fiber switching device receives that signal switches route; Step 4, signal of communication enter transmission route by the output of optical fiber switching device; Step 5, signal receiving end, signal of communication arrives transmission equipment by the input of optical fiber switching device.
Described optical fiber switching device has two inputs to be all connected respectively corresponding different transmission route with output.
Beneficial effect of the present invention is: after adopting said structure, owing to providing two transmission routes to signal transmission simultaneously, in the time that a route breaks down, can in 35ms, switch to immediately another one transmission route, the transmission of assurance signal can not be interrupted.
Accompanying drawing explanation
Fig. 1 is the application structure schematic diagram of native system;
1 is optical fiber switching device; 2 is transmission route one; 3 is transmission route two.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is as the effect of the mutual alignment between the shape of related each member, structure, each several part and annexation, each several part and operation principle, manufacturing process and operation using method etc., be described in further detail, to help those skilled in the art to have more complete, accurate and deep understanding to inventive concept of the present invention, technical scheme.
As shown in Figure 1; a kind of optical fiber switch protecting system; system comprises the transmission route that sends the transmission equipment of signal of communication, the optical fiber switching device that carries out optical fiber switching and conveying signal; transmission equipment is provided with power supply unit, control unit and network management unit; optical fiber switching device is provided with switch unit and probe unit, and transmission route has two to be designated as respectively transmission road one and transmission route two.Control unit: adopt ARM chip, write control program, ARM chip volume is little, low in energy consumption, cost is low, performance is high, control unit is for controlling the work of whole system; Switch unit: be made up of 41 × 2 optical switches, single optical switch insertion loss is less than 0.8dB, is less than 15ms switching time, of short duration switch unit can guarantee the normal operation of communication; Probe unit: be made up of laser, detector, optical splitter, the optional model of optical splitter is 97:3, and probe unit can be surveyed the break-make of light signal; Power supply unit: support module formula hot plug duplicate supply, can support-48V and 220V power supply, duplicate supply has increased alternative, and hot plug pattern makes not need closing device just can plug power supply, uses convenient; Network management unit: support the management of TCP/IP webmaster, RS232 and RJ45 control interface are provided, RS232 and RJ45 are conventional data transmission interfaces, and interface has various modes, and range of choice is large, use extensively.Because the Integrated using of probe unit and switch unit, this system can realize the switching of lightguide cable link automatically, thus the proper communication of the business of guarantee.
A kind of optical fiber switch protecting method, its step comprises: step 1, signal sending end, transmission equipment sends signal of communication and enters optical fiber switching device; Step 2, optical fiber switching device have two outputs to connect respectively different transmission routes, transmission route has two for the Work route of operating state and the idle route of idle condition, the probe unit detection operations route on optical fiber switching device and the state of idle route; If step 3 Work route breaks down, detect that idle route is accessible simultaneously, the switch unit on optical fiber switching device receives signal and sends immediately switching action, and signal is switched in fault-free route and is transmitted, and the transmission of assurance signal is not interrupted; Step 4, signal of communication enter transmission route by the output of optical fiber switching device; Step 5, signal receiving end, signal of communication arrives transmission equipment by the input of optical fiber switching device.
After signal of communication is sent by transmission equipment, enter into optical fiber switching device, two outputs of optical fiber switching device connect respectively different transmission routes, at signal receiving end, two inputs of optical fiber switching device connect respectively corresponding different transmission routes, output signal to transmission equipment.The core group of whole system becomes 41 × 2 optical switches of switch unit, coordinates control circuit and ARM chip, realizes the switching of optical fiber.In the time that signal of communication is linked into optical fiber switching device, because the same time of optical switch can only be communicated with a road, its signal demand is chosen in route one or route two transmission, keep a road job, a road free time, in the time that probe unit detects work at present route and breaks down, and when idle route fault-free detected simultaneously, switch unit sends immediately and switches action, and signal is switched in fault-free route and is transmitted, and the transmission of assurance signal is not interrupted.After adopting said structure, owing to providing two transmission routes to signal transmission simultaneously, in the time that a route breaks down, control unit can judge immediately and send instruction and switch to another one transmission route in 35ms, guarantees that signal transmission can not interrupt.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (5)
1. an optical fiber switch protecting system; this system comprises the transmission route of the transmission equipment and the conveying signal that send signal of communication; it is characterized in that; this system also comprises the optical fiber switching device that carries out optical fiber switching; optical fiber switching device is provided with switch unit and probe unit, and signal of communication is transported to transmission route after entering optical fiber switching device.
2. optical fiber switch protecting system according to claim 1, is characterized in that, described transmission equipment is provided with power supply unit, control unit and network management unit, and power supply unit is system power supply, network management unit connection control unit.
3. optical fiber switch protecting system according to claim 1, is characterized in that, described probe unit comprises laser, detector and optical splitter.
4. an optical fiber switch protecting method, is characterized in that, its step comprises:
Step 1, signal sending end, transmission equipment sends signal of communication and enters optical fiber switching device;
The state of the probe unit probe transmission route on step 2, optical fiber switching device;
If step 3 transmission route breaks down, the switch unit on optical fiber switching device receives that signal switches road
By;
Step 4, signal of communication enter transmission route by the output of optical fiber switching device;
Step 5, signal receiving end, signal of communication arrives transmission equipment by the input of optical fiber switching device.
5. optical fiber switch protecting method according to claim 4, is characterized in that, described optical fiber switching device has two inputs to be all connected respectively corresponding different transmission route with output.
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| CN201310618247.5A CN103795458A (en) | 2013-11-27 | 2013-11-27 | Optical fiber switching protection system and control method thereof |
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| CN201310618247.5A CN103795458A (en) | 2013-11-27 | 2013-11-27 | Optical fiber switching protection system and control method thereof |
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Cited By (6)
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| CN104301032A (en) * | 2014-10-29 | 2015-01-21 | 国家电网公司 | Optical line automatic switchover protection system |
| CN106169942A (en) * | 2016-06-24 | 2016-11-30 | 宁波永耀信息科技有限公司 | A kind of outdoor type fiber cores remote switch system |
| CN108183746A (en) * | 2018-02-09 | 2018-06-19 | 深圳市中科新业信息科技发展有限公司 | A kind of fiber optic measuring apparatus for realizing arbitrary scheduling feature |
| CN108781114A (en) * | 2016-06-09 | 2018-11-09 | 谷歌有限责任公司 | Undersea optical communication network |
| CN109274417A (en) * | 2018-10-25 | 2019-01-25 | 上海纳信实业有限公司 | A kind of excitation system channel information exchange method |
| CN111049570A (en) * | 2019-12-20 | 2020-04-21 | 国家电网有限公司 | Automatic switching protection system for optical fiber circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104301032A (en) * | 2014-10-29 | 2015-01-21 | 国家电网公司 | Optical line automatic switchover protection system |
| CN108781114A (en) * | 2016-06-09 | 2018-11-09 | 谷歌有限责任公司 | Undersea optical communication network |
| CN108781114B (en) * | 2016-06-09 | 2021-05-28 | 谷歌有限责任公司 | Undersea optical communications network |
| CN106169942A (en) * | 2016-06-24 | 2016-11-30 | 宁波永耀信息科技有限公司 | A kind of outdoor type fiber cores remote switch system |
| CN108183746A (en) * | 2018-02-09 | 2018-06-19 | 深圳市中科新业信息科技发展有限公司 | A kind of fiber optic measuring apparatus for realizing arbitrary scheduling feature |
| CN108183746B (en) * | 2018-02-09 | 2023-09-01 | 深圳市慧通经纬智能科技股份有限公司 | Optical fiber measuring instrument for realizing arbitrary scheduling function |
| CN109274417A (en) * | 2018-10-25 | 2019-01-25 | 上海纳信实业有限公司 | A kind of excitation system channel information exchange method |
| CN111049570A (en) * | 2019-12-20 | 2020-04-21 | 国家电网有限公司 | Automatic switching protection system for optical fiber circuit |
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Inventor after: Dong Yong Inventor after: Zheng Guohua Inventor after: Tang Longjiang Inventor after: Wang Yang Inventor after: Zhu Bing Inventor after: Ye Shuiyong Inventor after: Ni Guping Inventor after: Ning Weidong Inventor after: Wang Yongfeng Inventor before: Zheng Guohua Inventor before: Tang Longjiang Inventor before: Wang Yang Inventor before: Zhu Bing Inventor before: Ye Shuiyong Inventor before: Ni Guping Inventor before: Ning Weidong Inventor before: Wang Yongfeng |
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Free format text: CORRECT: INVENTOR; FROM: ZHENG GUOHUA TANG LONGJIANG WANG YANG ZHU BING YE SHUIYONG NI GUPING NING WEIDONG WANG YONGFENG TO: DONG YONG ZHENG GUOHUA TANG LONGJIANG WANG YANG ZHU BING YE SHUIYONG NI GUPING NING WEIDONG WANG YONGFENG |
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Application publication date: 20140514 |