CN204305022U - A kind of automatic optical-path switching protection system - Google Patents
A kind of automatic optical-path switching protection system Download PDFInfo
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- CN204305022U CN204305022U CN201520021555.4U CN201520021555U CN204305022U CN 204305022 U CN204305022 U CN 204305022U CN 201520021555 U CN201520021555 U CN 201520021555U CN 204305022 U CN204305022 U CN 204305022U
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Abstract
The utility model relates to OLP technology, the utility model discloses a kind of automatic optical-path switching protection system, it comprises the first light device, one OLP equipment, main road is by optical fiber, 2nd OLP equipment, second light device, monitoring light source and load, described first light device connects an OLP equipment, 2nd OLP equipment connection second light device, described monitoring light source connects load, a described OLP equipment by main road by Fiber connection the 2nd OLP equipment, described system also comprises the first chromacoder, secondary signal conversion equipment, first wireless signal receiving/transmitting device and the second wireless signal receiving/transmitting device, described OLP equipment connection first chromacoder, described first chromacoder connects the first wireless signal receiving/transmitting device, described first wireless signal receiving/transmitting device connects the second wireless signal receiving/transmitting device by wireless signal, described second wireless signal receiving/transmitting device connects secondary signal conversion equipment, secondary signal converter device connects the 2nd OLP equipment.Stand-by protection is realized by arranging wireless loop.
Description
Technical field
The utility model relates to automatic optical-path switching protection (OLP) technology, particularly relates to a kind of automatic optical-path switching protection system.
Background technology
Along with the development of Fibre Optical Communication Technology, increasing business datum concentrates on minority communication node and transmission over communication lines, and this has higher requirement to the reliability of these communication nodes and communication line.
Fig. 1 is the schematic diagram of automatic optical-path switching protection system of the prior art, although its extensive application can realize automatic optical-path switching protection in the OLP system of three large operators, its need a pair optical fiber as main road by, a pair optical fiber is as alternate routing.
When main road by optical fiber without interruption or fault time, the on off state of its switch as shown in Figure 2, optical service signal by light device 1 via dpdt double-pole double-throw (DPDT) optical switch K1 through main road by optical fiber to OLP2, light device 2 is transferred to again through dpdt double-pole double-throw (DPDT) optical switch K3, the service signal of light device 2 through dpdt double-pole double-throw (DPDT) optical switch K4 through main road by another root optical fiber to OLP1, get back to light device 1 through dpdt double-pole double-throw (DPDT) optical switch K2 again, and complete communication service.Meanwhile, the light source Txd test light signal in alternate routing is transferred to OLP2 through dpdt double-pole double-throw (DPDT) optical switch K1 by spare fibre, is transferred to receiving terminal Rxd through dpdt double-pole double-throw (DPDT) optical switch K3, to monitor the whether intact fault-free of alternate routing.
When main road is occurred catastrophe failure by optical fiber or interrupted, light business is switched to alternate routing by dpdt double-pole double-throw (DPDT) optical switch by OLP automatically (or manual), and the on off state of its switch as shown in Figure 3.Meanwhile, light source Txd is by main road by being sent to receiving terminal Rxd to monitor main road by whether repairing, and at this moment optical service signal is transferred to light device 2 by light device 1 via alternate routing and completes communication service.When main route recovery is normal, OLP system again can automatically by optical service signal switchback to main road by.
Although such optical routing automatic switching protection system can solve optical routing protection problem; but the requirement of this protected mode to alternate routing is higher; namely 2 idle optical fiber or newly-built optical cable must be had to do alternate routing; but in networking process; existing fiber resource is limited; municipal administration does not allow the multiple restraining factors such as excavated pavement, construction cost, construction period to cause realizing, some local or even movement, UNICOM, the shared lightguide cable link of telecommunications three operators.And present most big customer is government department or the social framework local finance, economy being had to important support effect; once interruption of optical cables or break down; communication is interrupted completely; consequence is very serious; therefore, need a kind of new equipment to solve under non-fiber makes alternate routing situation and realize automatic switchover route protection.
Utility model content
Need two light to cause as alternate routing the technology that cost is high, the construction period is long for automatic optical-path switching protection system of the prior art, the utility model discloses a kind of automatic optical-path switching protection system.
Utility model object of the present utility model is realized by following technical proposals:
A kind of automatic optical-path switching protection system, it comprises the first light device, one OLP equipment, main road is by optical fiber, 2nd OLP equipment, second light device, monitoring light source and load, described first light device connects an OLP equipment, 2nd OLP equipment connection second light device, described monitoring light source connects load, a described OLP equipment by main road by Fiber connection the 2nd OLP equipment, described system also comprises the first chromacoder, secondary signal conversion equipment, first wireless signal receiving/transmitting device and the second wireless signal receiving/transmitting device, described OLP equipment connection first chromacoder, described first chromacoder connects the first wireless signal receiving/transmitting device, described first wireless signal receiving/transmitting device connects the second wireless signal receiving/transmitting device by wireless signal, described two wireless signal receiving/transmitting devices connect secondary signal conversion equipment, secondary signal converter device connects the 2nd OLP equipment.
Further, above-mentioned chromacoder is light/electric transducer.By light/electric transducer, light signal is converted to the signal of telecommunication to transmit in wireless, converts electrical signals to light signal again at receiving terminal.
Further, above-mentioned wireless signal receiving/transmitting device is wireless bridge.The receipts of wireless signal/send out are realized by wireless bridge.
Further, above-mentioned wireless signal receiving/transmitting device is network bridge optical.The receipts of wireless signal/send out are realized by network bridge optical.
Further, above-mentioned chromacoder is photoelectricity optical signal conversion apparatus, and described wireless signal receiving/transmitting device is microwave antenna.By photoelectricity optical signal conversion apparatus, lightwave signal is converted to microwave signal, and by wireless transmission microwave signal.
Further, the said system control computer that also comprises the OLP equipment that is arranged on and the test point on the 2nd OLP equipment and be connected with test point.
By adopting above technical scheme; the beneficial effects of the utility model are: by arranging wireless loop; save fibre core resource, OLP route protection switches the growth requirement that route system has economic and practical, security reliability, modern communications forward position generalization, more applicable modern economy society telecommunications.The utility model compensate for existing OLP technology can only in have excess fiber to do deficiency that alternate routing just can carry out light protection; achieve the route protection when making alternate routing without cable resource and there is again big customer's resource; save fibre core resource; save construction investment and construction period; make maintenance more convenient; networking is convenient, flexible, improves practicality and operability simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of automatic optical-path switching protection system of the prior art.
Fig. 2 is that existing main road is by the on off state figure of optical fiber without switch when interruption or fault.
The on off state figure of Fig. 3 switch when to be existing main road occurred catastrophe failure by optical fiber or interrupted.
Fig. 4 be adopt bridge as alternate routing and main road by without interrupt or fault time switch on off state figure.
Fig. 5 be adopt bridge as alternate routing and main road by optical fiber occur catastrophe failure or interrupt time switch on off state figure.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with specific embodiment, the utility model is described in more detail.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model discloses a kind of automatic optical-path switching protection system, it comprises the first light device, one OLP equipment, main road is by optical fiber, 2nd OLP equipment, second light device, monitoring light source and load, described first light device connects an OLP equipment, 2nd OLP equipment connection second light device, described monitoring light source connects load, a described OLP equipment by main road by Fiber connection the 2nd OLP equipment, described system also comprises the first chromacoder, secondary signal conversion equipment, first wireless signal receiving/transmitting device and the second wireless signal receiving/transmitting device, described OLP equipment connection first chromacoder, described first chromacoder connects the first wireless signal receiving/transmitting device, described first wireless signal receiving/transmitting device connects the second wireless signal receiving/transmitting device by wireless signal, described two wireless signal receiving/transmitting devices connect secondary signal conversion equipment, secondary signal converter device connects the 2nd OLP equipment.The utility model is at transmitting terminal and receiving terminal signalization conversion equipment respectively; being converted to by light signal can the signal of wireless transmission; such as the signal of telecommunication or microwave signal etc. can be converted to; as long as wireless signal all belongs to the content of the utility model protection; launched by corresponding wireless device again, after receiving terminal receives this wireless signal, again wireless signal is converted to optical signal transmission to the 2nd OLP equipment.Light signal is changed by the utility model, realizes adopting wireless transmission as alternate routing in automatic optical-path switching protection system, reduces cost on the one hand, does not need to excavate original road surface simultaneously and just can realize protection, improve practicality.
Further, above-mentioned chromacoder is light/electric transducer.By light/electric transducer, light signal is converted to the signal of telecommunication to transmit in wireless.
Further, above-mentioned wireless signal receiving/transmitting device is wireless bridge.The receipts of wireless signal/send out are realized by bridge.
Further, above-mentioned wireless signal receiving/transmitting device is network bridge optical.The receipts of wireless signal/send out are realized by network bridge optical.
Further, above-mentioned chromacoder is photoelectricity optical signal conversion apparatus, and described wireless signal receiving/transmitting device is microwave antenna.By photoelectricity optical signal conversion apparatus, lightwave signal is converted to microwave signal, and by wireless transmission microwave signal.
And specifically adopt the mode of wireless bridge, microwave or network bridge optical, then select according to concrete application scenarios.
Describe the specific implementation of automatic optical-path switching protection system of the present utility model below in detail as the mode of transmission medium using bridge.
Fig. 4 be adopt bridge as alternate routing and main road by without interrupt or fault time switch on off state figure.
When main road by optical fiber without interruption or fault time, dpdt double-pole double-throw (DPDT) optical switch is in the position in figure mono-, optical service signal by light device 1 via dpdt double-pole double-throw (DPDT) optical switch K1 through main road by optical fiber to OLP2, be transferred to light device 2 through dpdt double-pole double-throw (DPDT) optical switch K3 again, the business of light device 2 letter
Number through dpdt double-pole double-throw (DPDT) optical switch K4 through main road by another root optical fiber to OLP1, then get back to light device 1 through dpdt double-pole double-throw (DPDT) optical switch K2, and complete communication service.Meanwhile, the light source Txd test light signal in alternate routing passes through bridge loop transfer to OLP2 through dpdt double-pole double-throw (DPDT) optical switch K1, is transferred to receiving terminal Rxd, to monitor the whether intact fault-free of alternate routing through dpdt double-pole double-throw (DPDT) optical switch K3.
Fig. 5 be adopt bridge as alternate routing and main road by optical fiber occur catastrophe failure or interrupt time switch on off state figure.
When main road is occurred catastrophe failure by optical fiber or interrupted, light business is switched to alternate routing (Work route figure is auspicious sees Fig. 4) by dpdt double-pole double-throw (DPDT) optical switch by OLP automatically (or manual).Meanwhile, light source Txd is by main road by being sent to receiving terminal Rxd to monitor main road by whether repairing, and at this moment optical service signal completes communication service via bridge loop transfer to light device 2 by light device 1.When main route recovery is normal, OLP system again can automatically by optical service signal switchback to main road by.
In OLP1, OLP2 equipment, measuring control point can be set respectively, be used for the operating state of judgment device, breakdown judge and troubleshooting.When OLP1 input is without setting wavelength channels, can judge that the fault of communication disruption is light device 1 fault before OLP1, be not that OLP1, OLP2 or telecommunication optical fiber cause; When OLP1 output is without setting wavelength channels, and OLP1 input has setting wavelength channels, then can judge front end light device 1 fault-free, and fault is that OLP1 equipment has fault; When the output of OLP1 has setting wavelength channels, when the input of OLP2 is without setting wavelength channels, can failure judgement be then route fiber break fault, control system can send instruction, double-point double-throw switch is switched, by communication service from main road by being switched to bridge loop, the communication guaranteed smooth and easyly is not interrupted.Certainly switches light power of this point can be arranged on demand, when OLP2 input have light signal set wavelength and output unglazed signal sets wavelength time, then can judge that fault is that OLP2 equipment has fault, and OLP1 and communication lines are by optical fiber fault-free; There is setting wavelength channels when OLP2 exports, and when OLP1 unit of testing and controlling input sets wavelength channels without input, then can be judged as the fault in bridge loop; When OLP2 output have setting wavelength channels and light device 2 input without setting wavelength channels time, then can judge it is that light device 2 has fault.
Further, the said system control computer that also comprises the OLP equipment that is arranged on and the test point on the 2nd OLP equipment and be connected with test point.Make it possible to control result to be presented at and control on computer, the operating state of whole OLP all clearly can be observed on the display interface of monitoring computer, operation interface can also arrange switches light power threshold according to actual needs simultaneously, alarming threshold at different levels and alarm mode also can be set, as temperature warning, sound alarm, notify attendant's line system working condition in time by monitoring interface or notify that attendant carries out keeping in repair or rushing to repair, a state, ground or the whole province's control and measuring Controling network can also be built up by the Internet.
Above-mentioned explanation illustrate and describes a preferred embodiment of the present utility model, but as previously mentioned, be to be understood that the utility model is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in utility model contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from spirit and scope of the present utility model, then all should in the protection range of the utility model claims.
Claims (6)
1. an automatic optical-path switching protection system, it comprises the first light device, an OLP equipment, main road by optical fiber, the 2nd OLP equipment, the second light device, monitoring light source and load, described first light device connects an OLP equipment, the 2nd OLP equipment connection second light device, described monitoring light source connects load, a described OLP equipment by main road by Fiber connection the 2nd OLP equipment; It is characterized in that described system also comprises the first chromacoder, secondary signal conversion equipment, the first wireless signal receiving/transmitting device and the second wireless signal receiving/transmitting device, described OLP equipment connection first chromacoder, described first chromacoder connects the first wireless signal receiving/transmitting device, described first wireless signal receiving/transmitting device connects the second wireless signal receiving/transmitting device by wireless signal, described two wireless signal receiving/transmitting devices connect secondary signal conversion equipment, and secondary signal converter device connects the 2nd OLP equipment.
2. automatic optical-path switching protection system as claimed in claim 1, is characterized in that described chromacoder is light/electric transducer.
3. automatic optical-path switching protection system as claimed in claim 1, is characterized in that described wireless signal receiving/transmitting device is wireless bridge.
4. automatic optical-path switching protection system as claimed in claim 1, is characterized in that described wireless signal receiving/transmitting device is network bridge optical.
5. automatic optical-path switching protection system as claimed in claim 1, it is characterized in that described chromacoder is photoelectricity optical signal conversion apparatus, described wireless signal receiving/transmitting device is microwave antenna.
6. automatic optical-path switching protection system as claimed in claim 1, is characterized in that the control computer that described system also comprises the OLP equipment that is arranged on and the test point on the 2nd OLP equipment and is connected with test point.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520021555.4U CN204305022U (en) | 2015-01-13 | 2015-01-13 | A kind of automatic optical-path switching protection system |
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| CN201520021555.4U CN204305022U (en) | 2015-01-13 | 2015-01-13 | A kind of automatic optical-path switching protection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082890A (en) * | 2019-11-11 | 2020-04-28 | 国家电网有限公司 | OLP channel protection switching method based on OTN redundant wave |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082890A (en) * | 2019-11-11 | 2020-04-28 | 国家电网有限公司 | OLP channel protection switching method based on OTN redundant wave |
| CN111082890B (en) * | 2019-11-11 | 2021-07-27 | 国家电网有限公司 | OLP channel protection switching method based on OTN redundant wave |
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