CN204180079U - A kind of electric power optical cable monitoring and protecting device - Google Patents
A kind of electric power optical cable monitoring and protecting device Download PDFInfo
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- CN204180079U CN204180079U CN201420697069.XU CN201420697069U CN204180079U CN 204180079 U CN204180079 U CN 204180079U CN 201420697069 U CN201420697069 U CN 201420697069U CN 204180079 U CN204180079 U CN 204180079U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 101
- 238000012544 monitoring process Methods 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 100
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 238000000253 optical time-domain reflectometry Methods 0.000 claims abstract description 16
- 239000013307 optical fiber Substances 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims description 6
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- 230000032683 aging Effects 0.000 description 1
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- 239000000835 fiber Substances 0.000 description 1
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Abstract
The utility model discloses a kind of electric power optical cable monitoring and protecting device, comprise light protection handover module and test optical fiber module, described light protection handover module comprises transmitting terminal, receiving terminal, main communications routing module, spare communication routing module, internal communication signal transmitter module, internal communication signal accept module, the first communication control module and second communication control module; Transmitting terminal and internal communication signal transmitter module are connected with the input of main communications routing module, spare communication routing module respectively; The input that receiving terminal and internal communication signal accept module is connected with the output of main routing module, alternate routing module respectively; The input of internal communication signal transmitter module is connected with the first communication control module; OTDR module is linked into main communications routing module, spare communication routing module by a 1x2 optical switch by test optical fiber module; The Enable Pin of 1x2 optical switch is connected with the output of the first communication control module.The utility model structure is simple, and easy to operate, loss is little.
Description
Technical field
The utility model relates to technical field of optical fiber detection, particularly relates to a kind of electric power optical cable monitoring and protecting device.
Background technology
The expanding day of electric power optical cable network, the aging gradually of early stage laying optical cable, the communication service fault that Cable's Fault causes is also in continuous rising.In order to ensure the transmitting of these circuit, traditional operator scheme is for when a circuit goes wrong, gone to another circuit by manual switching, along with the progress of science and technology, the circuit usually adopting switching device to be switched to another proper communication now gets on, but due to original optical cable monitoring system and each self-application of light path protection system, less than consideration of getting on from perfect Combination application, such design makes optical cable monitoring system and light path protect switched system to be increased to 7dB to circuit insertion loss from being less than 3dB, increase access point simultaneously, very large on the impact of communication line, and add extra operation cost.
Summary of the invention
In order to solve the problem; the purpose of this utility model is to provide a kind of electric power optical cable monitoring and protecting device; monitoring effectively in real time can be carried out to electric power optical cable; provide active and standby two different route optical-fibre channels; when breaking down; system automatically switches active and standby route in time, recovers service communication rapidly, and carries out the accurate location fast of fault point by test optical fiber module.
The utility model adopts following technical scheme:
A kind of electric power optical cable monitoring and protecting device, comprise power module, light protection handover module and test optical fiber module, described light protection handover module comprises transmitting terminal, receiving terminal, main communications routing module, spare communication routing module, internal communication signal transmitter module, internal communication signal accept module, the first communication control module and second communication control module; Described transmitting terminal comprises a 1x2 optical switch, and the conjunction terminal of a 1x2 optical switch is for connecting customer service end interface; Described main communications routing module comprises first wave division multiplexer and the Second Wave division multiplexer of series winding, and input and 1x2 optical switch branch end of first wave division multiplexer is connected; Described spare communication routing module comprises the 3rd wavelength division multiplexer and the 4th wavelength division multiplexer of series winding, the input of the 3rd wavelength division multiplexer and another branch end of 1x2 optical switch; Described receiving terminal comprises the 2nd 1x2 optical switch, and two branch end of the 2nd 1x2 optical switch are connected with the output of Second Wave division multiplexer and the 4th wavelength division multiplexer respectively, and it closes terminal for connecting customer service end interface; The output of described internal communication signal transmitter module is connected with first wave division multiplexer, the 3rd wavelength division multiplexer respectively, and its input is connected with the first communication control module; The input that described internal communication signal accepts module is connected with the output of Second Wave division multiplexer, the 4th wavelength division multiplexer respectively; Described test optical fiber module comprises the 3rd 1x2 optical switch and OTDR module, and the conjunction terminal of the 3rd 1x2 optical switch is connected with the output of OTDR module, and two branch end is connected with the input of first wave division multiplexer and the 3rd wavelength division multiplexer respectively; A described 1x2 optical switch is connected with the output of the first communication control module with the Enable Pin of the 3rd 1x2 optical switch; The Enable Pin of described 2nd 1x2 optical switch is connected with the output of second communication control module.
Further, the utility model also comprises optical power detecting module, and described optical power detecting module comprises the first optical power detector, the second optical power detector, the 3rd optical power detector and the 4th optical power detector; Described first optical power detector is connected with internal communication signal transmitter module two outputs respectively with the input of the 3rd optical power detector, and its output is all connected with the input of the first communication control module; Second optical power detector is connected with the output of Second Wave division multiplexer and the 4th wavelength division multiplexer respectively with the input of the 4th optical power detector, and its output is all connected with the input of second communication control module.
Further, the utility model also comprises the first wireless transport module and the second wireless transport module, described first wireless transport module is connected with the first communication control module, second wireless transport module is connected with second communication control module, for realizing the communication between the first communication control module and second communication control module.
Further, a described 1x2 optical switch, the 2nd 1x2 optical switch and the 3rd 1x2 optical switch are magneto-optic shutter.
Further, described Second Wave division multiplexer is connected an optical filter respectively with the output of the 4th wavelength division multiplexer, for filtering OTDR test signal.
The beneficial effects of the utility model:
The utility model, by light being protected handover module and test optical fiber module integration in the same apparatus, effectively reduces the access point of circuit, reduces line loss.
The utility model carries out the switching of circuit by adopting magneto-optic shutter in a device, effectively provides the speed of switching, reduces the uncomfortable use sense of user.
The utility model realizes the communication between the communication control module of line receiver end and transmitting terminal by wireless network, avoids circuit two ends and switches asynchronous, cause the problem of signal mess code.
Accompanying drawing explanation
Fig. 1 is the principle schematic of a kind of embodiment of the utility model;
Fig. 2 is the circuit diagram of a kind of embodiment of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As illustrated in fig. 1 and 2, a kind of electric power optical cable monitoring and protecting device of the present utility model, comprise power module, light protection handover module and test optical fiber module, described light protection handover module comprises transmitting terminal 1, receiving terminal 8, main communications routing module, spare communication routing module, internal communication signal transmitter module 6, internal communication signal accept module 7, first communication control module 11 and second communication control module 12; Described transmitting terminal 1 comprises a 1x2 optical switch, and the conjunction terminal of a 1x2 optical switch is for connecting customer service end interface; Described main communications routing module comprises first wave division multiplexer 2 and the Second Wave division multiplexer 3 of series winding, and input and 1x2 optical switch branch end of first wave division multiplexer 2 is connected; Described spare communication routing module comprises: the 3rd wavelength division multiplexer 4 of series winding and the input of the 4th wavelength division multiplexer the 5, three wavelength division multiplexer 4 and another branch end of 1x2 optical switch; Described receiving terminal 8 comprises the 2nd 1x2 optical switch, and two branch end of the 2nd 1x2 optical switch are connected with the output of Second Wave division multiplexer 3 and the 4th wavelength division multiplexer 5 respectively, and it closes terminal for connecting customer service end interface; The output of described internal communication signal transmitter module 6 is connected with first wave division multiplexer 2, the 3rd wavelength division multiplexer 4 respectively, and its input is connected 11 with the first communication control module; The input that described internal communication signal accepts module 7 is connected with Second Wave division multiplexer 3, the 4th wavelength division multiplexer 5 respectively; The conjunction terminal that described test optical fiber module comprises the 3rd 1x2 optical switch 9 and OTDR module the 10, three 1x2 optical switch 9 is connected with the output of OTDR module 10, and two branch end is connected with the input of first wave division multiplexer 2 and the 3rd wavelength division multiplexer 4 respectively; A described 1x2 optical switch is connected with the output of the first communication control module 11 with the Enable Pin of the 3rd 1x2 optical switch 9; The Enable Pin of described 2nd 1x2 optical switch is connected with the output of second communication control module 12.Described Second Wave division multiplexer 3 is connected an optical filter respectively with the output of the 4th wavelength division multiplexer 5, for filtering OTDR test signal.The optical switch adopted in the utility model is magneto-optic shutter.
The utility model also comprises optical power detecting module, and described optical power detecting module comprises the first optical power detector 13, second optical power detector 14, the 3rd optical power detector 15 and the 4th optical power detector 16; Described first optical power detector 13 is connected with internal communication signal transmitter module 6 two outputs respectively with the input of the 3rd optical power detector 15, and its output is all connected with the input of the first communication control module 11; Second optical power detector 14 and the 4th optical power detector 16 are connected with the input of Second Wave division multiplexer 3 and the 4th wavelength division multiplexer 5 respectively, and its output is all connected with the input of second communication control module 12.
The utility model also comprises the first wireless transport module 17 and the second wireless transport module 18, described first wireless transport module 17 is connected with the first communication control module 11, second wireless transport module 18 is connected with second communication control module 12, for realizing the communication between the first communication control module 11 and second communication control module 12.
In sum, the utility model connects customer service end interface at transmitting terminal by the conjunction terminal of a 1x2 optical switch, receive customer service light signal, and the transmission channel of business light signals is selected by two branch end of a 1x2 optical switch module, namely select to be to be transmitted by main communications routing module or spare communication routing module carries out optical signal transmission; Internal communication signal transmitter module 6 produces intercommunication light signal, photo-detector module detects the intercommunication light signal produced, and be transferred to the first communication control module 11, the OTDR module 10 of fiber detection module produces test light signal, first wave division multiplexer 2 or the 3rd wavelength division multiplexer 4 are for being coupled the test light signal of business light signal, intercommunication light signal and OTDR module 10, and the light through overcoupling enters transmission cable and transmits.So just, achieve client's optical transmitter and receiver service signal, light proterctive equipment internal communication signal, the coupling of OTDR fault test signal and transmission;
Receiving terminal of the present utility model is in the normal situation of circuit, the multi-wavelength, the multi-service signal that are transmitted by transmitting terminal can be received, therefore partial wave is carried out at this end Second Wave division multiplexer 3 or the 4th wavelength division multiplexer 5, intercommunication light signal is sent into internal communication signal and accepts module 7, photo-detector module is for detecting the signal strength signal intensity of intercommunication light signal, and transmission signal is to second communication control module 12; Customer service light signal sends into client's optical transmitter and receiver receiving terminal, OTDR test signal is sent into optical filter and carries out filtering.Realize the separation of business transmission, intercommunication, OTDR test signal.
When signal is in main communications routing module transmission or the transmission of spare communication routing module, when route lines breaks down, the relevant information of the interior lights signal of communication that the first communication control module 11 and second communication control module 12 pairs of photo-detector modules are sent here contrasts, if exceed outside normal loss scope, then the first communication control module 11 is communicated by wireless transport module with second communication control module 12, switch the route of coupled optical switch to another proper communication simultaneously, thus ensure that the normal communication of user, OTDR module can be carried out rapidly fault point and accurately be located fast, cable and optical cable is effectively monitored in real time, safety guarantee is provided for electric power optical cable.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art and is realized.
More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. an electric power optical cable monitoring and protecting device, comprise power module, light protection handover module and test optical fiber module, it is characterized in that: described light protection handover module comprises transmitting terminal, receiving terminal, main communications routing module, spare communication routing module, internal communication signal transmitter module, internal communication signal accept module, the first communication control module and second communication control module; Described transmitting terminal comprises a 1x2 optical switch, and the conjunction terminal of a 1x2 optical switch is for connecting customer service end interface; Described main communications routing module comprises first wave division multiplexer and the Second Wave division multiplexer of series winding, and input and 1x2 optical switch branch end of first wave division multiplexer is connected; Described spare communication routing module comprises the 3rd wavelength division multiplexer and the 4th wavelength division multiplexer of series winding, the input of the 3rd wavelength division multiplexer and another branch end of 1x2 optical switch; Described receiving terminal comprises the 2nd 1x2 optical switch, and two branch end of the 2nd 1x2 optical switch are connected with the output of Second Wave division multiplexer and the 4th wavelength division multiplexer respectively, and it closes terminal for connecting customer service end interface; The output of described internal communication signal transmitter module is connected with first wave division multiplexer, the 3rd wavelength division multiplexer respectively, and its input is connected with the first communication control module; The input that described internal communication signal accepts module is connected with Second Wave division multiplexer, the 4th wavelength division multiplexer respectively; Described test optical fiber module comprises the 3rd 1x2 optical switch and OTDR module, and the conjunction terminal of the 3rd 1x2 optical switch is connected with the output of OTDR module, and two branch end is connected with the input of first wave division multiplexer and the 3rd wavelength division multiplexer respectively; A described 1x2 optical switch is connected with the output of the first communication control module with the Enable Pin of the 3rd 1x2 optical switch; The Enable Pin of described 2nd 1x2 optical switch is connected with the output of second communication control module.
2. a kind of electric power optical cable monitoring and protecting device according to claim 1, it is characterized in that: also comprise optical power detecting module, described optical power detecting module comprises the first optical power detector, the second optical power detector, the 3rd optical power detector and the 4th optical power detector; Described first optical power detector is connected with internal communication signal transmitter module two outputs respectively with the input of the 3rd optical power detector, and its output is all connected with the input of the first communication control module; Second optical power detector is connected with the output of Second Wave division multiplexer and the 4th wavelength division multiplexer respectively with the input of the 4th optical power detector, and its output is all connected with the input of second communication control module.
3. a kind of electric power optical cable monitoring and protecting device according to claim 1; it is characterized in that: also comprise the first wireless transport module and the second wireless transport module; described first wireless transport module is connected with the first communication control module; second wireless transport module is connected with second communication control module, for realizing the communication between the first communication control module and second communication control module.
4. a kind of electric power optical cable monitoring and protecting device according to claim 1, is characterized in that: a described 1x2 optical switch, the 2nd 1x2 optical switch and the 3rd 1x2 optical switch are magneto-optic shutter.
5. a kind of electric power optical cable monitoring and protecting device according to claim 1, is characterized in that: described Second Wave division multiplexer is connected an optical filter respectively with the output of the 4th wavelength division multiplexer, for filtering OTDR test signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697069.XU CN204180079U (en) | 2014-11-20 | 2014-11-20 | A kind of electric power optical cable monitoring and protecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697069.XU CN204180079U (en) | 2014-11-20 | 2014-11-20 | A kind of electric power optical cable monitoring and protecting device |
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| CN204180079U true CN204180079U (en) | 2015-02-25 |
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| CN201420697069.XU Expired - Fee Related CN204180079U (en) | 2014-11-20 | 2014-11-20 | A kind of electric power optical cable monitoring and protecting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734776A (en) * | 2015-04-14 | 2015-06-24 | 国网吉林省电力有限公司信息通信公司 | Optic fiber monitoring system and monitoring method switching three operation modes freely |
| CN107528630A (en) * | 2017-10-20 | 2017-12-29 | 东北电力大学 | With Backup lightpath and failure can self-healing double mode optic-fiber monitoring system and method |
-
2014
- 2014-11-20 CN CN201420697069.XU patent/CN204180079U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734776A (en) * | 2015-04-14 | 2015-06-24 | 国网吉林省电力有限公司信息通信公司 | Optic fiber monitoring system and monitoring method switching three operation modes freely |
| CN104734776B (en) * | 2015-04-14 | 2017-05-17 | 国网吉林省电力有限公司信息通信公司 | Optic fiber monitoring system and monitoring method switching three operation modes freely |
| CN107528630A (en) * | 2017-10-20 | 2017-12-29 | 东北电力大学 | With Backup lightpath and failure can self-healing double mode optic-fiber monitoring system and method |
| CN107528630B (en) * | 2017-10-20 | 2024-01-12 | 东北电力大学 | Dual-mode optical fiber monitoring system and method with protection optical path and fault self-healing function |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20201120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |