CN202679364U - Rack-type optical cable resource far-end monitoring station - Google Patents

Rack-type optical cable resource far-end monitoring station Download PDF

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Publication number
CN202679364U
CN202679364U CN 201120470231 CN201120470231U CN202679364U CN 202679364 U CN202679364 U CN 202679364U CN 201120470231 CN201120470231 CN 201120470231 CN 201120470231 U CN201120470231 U CN 201120470231U CN 202679364 U CN202679364 U CN 202679364U
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CN
China
Prior art keywords
monitoring
monitoring station
light path
unit
optical fiber
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Expired - Lifetime
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CN 201120470231
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Chinese (zh)
Inventor
林亦雷
杨铭
卢士达
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Shanghai Municipal Electric Power Co
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Shanghai Municipal Electric Power Co
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Priority to CN 201120470231 priority Critical patent/CN202679364U/en
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Publication of CN202679364U publication Critical patent/CN202679364U/en
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Abstract

The utility model discloses a rack-type optical cable resource far-end monitoring station, and a light path of the monitoring station is connected to a monitored optical fiber. The monitoring station comprises a monitoring host machine, a program-controlled multi-path photoswitch unit, and an optical power monitoring unit, wherein the program-controlled multi-path photoswitch unit is connected with the light path of the monitoring host machine through a test channel, and is connected with a circuit of the monitoring host machine through a data control bus; a circuit of the optical power monitoring unit is connected with the monitoring host machine; and the program-controlled multi-path photoswitch unit and the optical power monitoring unit are connected at two ends of a monitored optical cable section on the monitored optical fiber. The monitoring station provided by the utility model is connected to the light path of the optical fiber, can monitor the working condition of the optical fiber in real time through the rack-type optical cable resource far-end monitoring station, can find out whether a fault occurs in the optical cable line and the fault line section timely and accurately, and then arranges personnel to perform maintenance and repair, thereby saving the manpower cost and engineering cost of manually operated optical fiber monitoring.

Description

Rack cable resource far-end monitoring station
Technical field
The utility model relates to a kind of monitoring device of photoelectricity communication field, is specifically related to a kind of rack cable resource far-end monitoring station.
Background technology
At present, because electric power optical cable is built on stilts many, unexpected human failure is many, and all is the significant trouble of whole piece interruption of optical cables; Urban construction is more frequent, also is the key factor of initiating failure to the cable and optical cable pipeline damage; The properties of optical fiber cable decline problem that optical cable self life-span causes is existing to be manifested.Will bring great loss in case fiber optic cable breaks down, this just requires the optical cable guarantee that higher standard should be arranged.Because prior art also rests on stage of personal monitoring, processing to the management of cable and optical cable, not nearly enough intelligence can not be predicted, analyze performance, the damage of optical cable, can not accurately locate the trouble location of cable and optical cable again.In case line fault occurs, just need to spend a large amount of human and material resources to go to inquire about reason on the way, the trouble-shooting point, very loaded down with trivial details, also need a large amount of time.Even without line fault occurring, still there are many potential problems to find.Also need to be equipped with a large amount of engineerings, repair personnel and management, support staff in usual management maintenance, total maintenance, management team will be very huge, and its shortcoming is apparent.
The utility model content
The utility model provides a kind of rack cable resource far-end monitoring station, has realized and the docking of electric power GIS resource management storehouse, and then only needs administrative staff and repair personnel, can save a large amount of manpower expense and engineering cost, and convenient management is effective.
For achieving the above object, the utility model provides a kind of rack cable resource far-end monitoring station, is characterized in that this monitoring station light path is connected in the tested optical fiber, and this monitoring station comprises the monitoring main frame;
Program control Multichannel photoswitch unit, it is connected with monitoring main frame light path by test access, and it also is connected with the monitoring host circuit by the Data Control bus;
Light power monitoring measuring unit; Its circuit connects the monitoring main frame;
Above-mentioned program control Multichannel photoswitch unit and light power monitoring measuring unit light path are connected to the two ends of tested optical cable segment on the tested optical fiber.
Be provided with optical time domain reflectometer in the above-mentioned monitoring main frame.
Go back circuit between above-mentioned monitoring main frame and the program control Multichannel photoswitch unit and be connected a wavelength division multiplexer.
This monitoring station also includes the multichannel stabilized light source, and itself and program control Multichannel photoswitch unit light path are connected to the same end of tested optical cable segment on the tested optical fiber.
This monitoring station light path connects and detects A-B pair for fine;
Above-mentioned program control Multichannel photoswitch unit light path connects an end of the tested optical cable segment of an optical fiber in the two standby fibres of A-B;
The output of above-mentioned multichannel stabilized light source and the input of light power monitoring measuring unit respectively light path are connected to A-B pair for the two ends of the tested optical cable segment of another root optical fiber in the fibres.
This monitoring station light path connects and detects single standby fine;
This monitoring station also comprises a wavelength division multiplexer, and its light path connects the output of control Multichannel photoswitch unit and multichannel stabilized light source;
This monitoring station also comprises a filter, and its light path connects the input of light power monitoring measuring unit;
The output of this wavelength division multiplexer and the input of filter respectively light path are connected to single two ends for fine tested optical cable segment.
This monitoring station light path connects and detects and using fibre;
This monitoring station also comprises a coupler, and light path connects a wavelength division multiplexer of this coupler input, and this coupler also light path connects the input of light power monitoring measuring unit, and wavelength division multiplexer also light path connects program control Multichannel photoswitch unit;
This coupler and wavelength division multiplexer also light path are connected to one the tunnel in using fibre, and coupler connects the receiving terminal of this Lu Zaiyong fibre, and wavelength division multiplexer connects the transmitting terminal of this Lu Zaiyong fibre;
Wavelength division multiplexer and between with fine transmitting terminal also light path be connected with a filter.
This monitoring station also comprises the fine unit of dish, wherein is placed with optical fiber long in the monitoring station.
This monitoring station also comprises display unit and input unit, this display unit be connected with input unit with the monitoring host circuit be connected.
When monitoring fibre for subsequent use, multichannel stabilized light source Emission Lasers such as monitored fibre for subsequent use, the program control Multichannel photoswitch of monitoring host computer control unit is selected to monitor the operating state of this fibre for subsequent use to monitored fibre for subsequent use; Light power monitoring measuring unit receives that the multichannel stabilized light source sends pass through light signal behind the monitored fibre for subsequent use, detects the interior luminous power of this fibre for subsequent use;
Monitoring will be monitored main frame and program control Multichannel photoswitch unit and use fibre by the wavelength division multiplexer access with fibre the time, monitor this in the operating state with fibre; Light power monitoring measuring unit is being used fibre by the coupler access, and the laser that reception user's optical transceiver sends passes through tested light signal after transmitting with fibre, monitors this luminous power in using fibre.
The optical survey mode of the utility model rack cable resource far-end monitoring station and prior art is compared, its advantage is, monitoring station of the present utility model is connected in the light path of optical fiber, by the operating state of rack cable resource far-end monitoring station Real-Time Monitoring at usefulness fibre or fibre for subsequent use, in time and accurately understand in the lightguide cable link and whether break down and the fault highway section, the arrangement personnel carry out maintenance again, need not to spend manpower and carry out regular optical fiber test, do not need manpower to carry out the investigation of lightguide cable link when breaking down yet, saved manpower expense and the engineering cost of manually carrying out fiber-optic monitoring.
Description of drawings
Fig. 1 is the schematic diagram of the utility model rack cable resource far-end monitoring station;
Fig. 2 is the fundamental diagram of the OTDR of the utility model rack cable resource far-end monitoring station;
Fig. 3 is the fundamental diagram of the monitoring luminous power of the utility model rack cable resource far-end monitoring station;
Fig. 4 is the two connection diagrams for fine embodiment of the monitoring A-B of the utility model rack cable resource far-end monitoring station;
Fig. 5 is the connection diagram of the embodiment of the single standby fibre of the monitoring of the utility model rack cable resource far-end monitoring station;
Fig. 6 is that the monitoring of the utility model rack cable resource far-end monitoring station is in the connection diagram of the embodiment that uses fibre.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
As shown in Figure 1, the embodiment of a kind of rack cable resource far-end monitoring station.This monitoring station comprises multichannel stabilized light source 7, monitoring main frame 1, display unit, input unit 11, program control Multichannel photoswitch unit 2, luminous power detecting unit 3, coils fine unit, wavelength division multiplexing/coupling unit case 12 and frame 10.The unit of this monitoring station is incorporated in the frame 10 as shown in FIG., is convenient to apparatus arrangement and management, and the power line in the monitoring station and optical fiber all enter frame inside by the circular hole at frame 10 tops.
Multichannel stabilized light source 7 comprises a stabilized light source and an optical splitter, light path connects between this stabilized light source and the optical splitter, if the stabilized light source port not can enlarge the light source port number by the optical splitter light splitting, so stabilized light source is connected on the optical splitter, told the light source of multichannel by optical splitter.
Include some wavelength division multiplexers 4, coupler 5 and filter 6 in wavelength division multiplexing/coupling unit case 12, this wavelength division multiplexer 4, coupler 5, filter 6 intercalations are in wavelength division multiplexing/coupling unit case 12.
Coil fine unit 9 and be mainly used in depositing the long optical fiber that connects each unit in the frame, in order to avoid optical fiber is hung in aerial damage.
Monitoring main frame 1 the inside includes optical time domain reflectometer (Optical Time Domain Reflectometer, OTDR), OTDR is the backscattering that produces of Rayleigh scattering when utilizing light to transmit in optical fiber and Fresnel reflection and the optoelectronic integration instrument of the precision made, it is widely used among the maintenance, construction of lightguide cable link, can carry out the measurement of transmission attenuation, the joint decay of fiber lengths, optical fiber and fault location etc.
Display unit is connected with input unit respectively and is connected with monitoring main frame 1 circuit, and input unit adopts mouse and keyboard, for the input of operational order; Display unit adopts display screen, is used for operation display interface and shows monitoring result.
As shown in Figure 2, the connected mode of monitoring main frame 1 monitoring optical fiber is as follows with operation principle: monitoring main frame 1 is connected program control Multichannel photoswitch unit 2, sending and receiving light signal by OTDR test access 13 light paths.This monitoring main frame 1 also connects program control Multichannel photoswitch unit 2 by Data Control bus 14 circuit, controls program control Multichannel photoswitch unit 2 and carries out the switching of light path, the optical fiber 15 that conversion need to detect.Utilize a light wire jumper 16 to connect the outlet of the ODTR that monitors main frame 1 and the com port 17 of program control Multichannel photoswitch unit 2, each port of program control Multichannel photoswitch unit 2 is connecting different optical routings, the COM(common contact of the program control Multichannel photoswitch of monitoring main frame 1 control unit 2) which end-grain cutting changes to, COM just with which light joint connects, and ODTR just can scan monitoring to which.The monitoring route of ODTR needs not to be the loop, can be unidirectional.
As shown in Figure 3, connected mode and the operation principle of luminous power detecting unit 3 monitoring optical fiber are as follows:
1) monitoring for subsequent use fine 18: light path is connected that need monitor between multichannel stabilized light source 7 and the luminous power detecting unit 3 for subsequent use fine 18, it is inner that the laser that the multichannel stabilized light source 7 of this monitoring station sends is got back to again this monitoring station through fine 18 optical routing for subsequent use, received by luminous power detecting unit 3, and port is consistent for No. 20.By luminous power detecting unit 3 these fine 18 operating states for subsequent use of monitoring, luminous power detecting unit 3 is sent to testing result monitoring main frame 1 again, is convenient to the staff and gathers monitoring.
2) monitoring is with fine 19: be connected between the client's optical transceiver of two ends with fibre 19, simultaneously when optical fiber is set, wherein be provided with coupler 5, in monitoring with fine 19 o'clock, by coupler 5 one road light is introduced luminous power detecting unit 3, wherein coupler 5 draw for detection of light signal account for 3% of former light signal, and 97% be used for the client and carry out light path communication.Luminous power detecting unit 3 receives the light signal of drawing, and supervises in the operating state with fibre 19 by this light signal, is convenient to the staff and gathers monitoring.
As shown in Figure 4, the two standby fine embodiment of monitoring A-B that show the utility model rack cable resource far-end monitoring station among the figure.Its connected mode is, the output light path of OTDR connects the 1625nm wavelength IN mouth of wavelength division multiplexer 4 in the monitoring main frame 1, the OUT mouth light path of wavelength division multiplexer 4 connects the com port of program control Multichannel photoswitch unit 2, the multi-channel port of program control Multichannel photoswitch unit 2 respectively light path connects the two standby fine B fibres 41 of each monitored A-B, wherein wavelength division multiplexer 4 is used for preventing that the light of other wavelength from entering ODTR, burns out it.The measurement of the OTDR monitoring fiber lengths of monitoring main frame 1, transmission attenuation, joint decay and the fault location etc. of optical fiber.
The multi-channel output of multichannel stabilized light source 7 and light power monitoring measuring unit 3 connect respectively each monitored A-B pair for the two ends of the detected optical cable section of fine A fibre 42, the laser of multichannel stabilized light source 7 the insides connects the tested optical cable segment of A fibre 42 in the two standby fibres of each A-B through port separately, the final light power monitoring measuring unit 3 corresponding ports that pass through receive, by the operating state of light power monitoring measuring unit 3 Real-Time Monitoring optical fiber.
Wavelength division multiplexer 4 in the present embodiment is arranged in the wavelength division multiplexing of this monitoring station/coupling unit case.
As shown in Figure 5, show the single standby fine embodiment of the utility model rack cable resource far-end monitoring station monitoring among the figure.The ODTR light path connects the port of the 1625nm wavelength of a wavelength division multiplexer 4 in the monitoring main frame 1, and the OUT port light path of this wavelength division multiplexer 4 connects the COM end of program control Multichannel photoswitch unit 2.Any one road output port of program control Multichannel photoswitch unit 2 connects the port of the 1625nm wavelength of another wavelength division multiplexer 4, the port light path of the 1310/1550nm wavelength of this wavelength division multiplexer 4 connects one tunnel output of multichannel stabilized light source 7 simultaneously, the OUT end light path of this wavelength division multiplexer 4 connects an end of tested simple optical fiber 51, and ODTR and multichannel stabilized light source 7 bring out multiplexing same optical fiber by the OUT of this wavelength division multiplexer 4.When this tested simple optical fiber 51 is got back to this inside, monitoring station, elder generation's light path connects the IN mouth of a filter, enters the IN mouth of this filter 6 through the light signal of tested optical fiber, again from the OUT mouth of this filter 6 out, transfer to light power monitoring measuring unit 3, carry out the monitoring of luminous power.This filter 6 mainly is to filter the light that OTDR is up to, because the light of 1625nm does not need to be received by light power monitoring measuring unit 3.
Two wavelength division multiplexers 4 all are arranged in wavelength division multiplexing/coupling unit case with filter 6 in the present embodiment.
As shown in Figure 6, monitor at the embodiment with fibre 61 by two wavelength division multiplexers demonstration the utility model rack cable resource far-end monitoring station among the figure.Use in the system that light path communicates the user, need two parties that an optical transceiver is respectively arranged: user's optical transceiver 1 is connected the transmitting terminal of user's optical transceiver 1 and is connected the receiving terminal of user's optical transceiver 2 by optical fiber with user's optical transceiver, the transmitting terminal of user's optical transceiver 2 connects the receiving terminal of user's optical transceiver 1 by optical fiber.In order in fine 61, not affect user's normal use in monitoring yet, be provided with a wavelength division multiplexer 4 with fine 61, one coupler 5 and a filter 6, for example: tested is being optical fiber between the receiving terminal of the transmitting terminal of user's optical transceiver 2 and user's optical transceiver 1 with fine 61, then the transmitting terminal of user's optical transceiver 2 is being used fine 61 by what a filter 6 accesses supervised, access the COM end of a wavelength division multiplexer 4 at the other end with fibre 61 in this survey of being supervised, the port light path of the 1310/1550nm wavelength of this wavelength division multiplexer 4 connects the input of a coupler 5, and one road output light path of this coupler 5 connects the receiving terminal of user's optical transceiver 1.
The ODTR light path connects the port of the 1625nm wavelength of a wavelength division multiplexer 4 in the monitoring main frame 1, and the OUT port light path of this wavelength division multiplexer 4 connects the COM end of program control Multichannel photoswitch unit 2.Any one road output port of program control Multichannel photoswitch unit 2 connects the port of the 1625nm wavelength of the wavelength division multiplexer 4 between the receiving terminal of the above-mentioned transmitting terminal that is connected to user's optical transceiver 2 and user's optical transceiver 1.The input light path of light power monitoring measuring unit 3 connects one tunnel output of above-mentioned coupler 5.ODTR is by above-mentioned connection, accesses testedly with fine 61, and Real-Time Monitoring is with fine 61 operating state.
The input light path of light power monitoring measuring unit 3 connects one road output of above-mentioned coupler 5, receives tested with the light signal of fibre 61 and monitor its luminous power by coupler 5.When fibre was monitored, tested with fine 61 light path loop not necessarily, optical power monitoring was by monitoring from tell part optical signals with fibre 61.The propagation of wavelength division multiplexer 4 is two-way, the signal of exporting from the port of wavelength division multiplexer 41310/1550nm wavelength connects the upward input port of coupler 5, a light signal part of telling continues to offer the user, in addition transfer to light power monitoring measuring unit 3, by its reception and monitor tested with 61 luminous power in fine.
Wavelength division multiplexer 4 in the present embodiment, coupler 5 and filter 6 are arranged in the wavelength division multiplexing of this monitoring station/coupling unit case.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be apparent.Therefore, protection range of the present utility model should be limited to the appended claims.

Claims (9)

1. a rack cable resource far-end monitoring station is characterized in that this monitoring station light path is connected in the tested optical fiber, and this monitoring station comprises monitoring main frame (1);
Program control Multichannel photoswitch unit (2), it is connected with described monitoring main frame (1) light path by test access, and it also is connected with described monitoring main frame (1) circuit by the Data Control bus;
Light power monitoring measuring unit (3); Its circuit connects described monitoring main frame (1);
Described program control Multichannel photoswitch unit (2) and light power monitoring measuring unit (3) light path are connected to the two ends of tested optical cable segment on the tested optical fiber.
2. rack cable resource far-end as claimed in claim 1 monitoring station is characterized in that, is provided with optical time domain reflectometer in the described monitoring main frame (1).
3. rack cable resource far-end as claimed in claim 1 monitoring station is characterized in that, goes back circuit between described monitoring main frame (1) and the program control Multichannel photoswitch unit (2) and is connected a wavelength division multiplexer (4).
4. rack cable resource far-end as claimed in claim 1 monitoring station is characterized in that this monitoring station also includes multichannel stabilized light source (7), and itself and program control Multichannel photoswitch unit (2) light path are connected to the same end of tested optical cable segment on the tested optical fiber.
5. rack cable resource far-end as claimed in claim 4 monitoring station is characterized in that, this monitoring station light path connects that also to detect A-B two standby fine;
Described program control Multichannel photoswitch unit (2) light path connects an end of the tested optical cable segment of an optical fiber in the two standby fibres of A-B;
The input of the output of described multichannel stabilized light source (7) and light power monitoring measuring unit (3) respectively light path is connected to A-B pair for the two ends of the tested optical cable segment of another root optical fiber in the fibres.
6. rack cable resource far-end as claimed in claim 4 monitoring station is characterized in that, this monitoring station light path connect also detect single standby fine;
This monitoring station also comprises a wavelength division multiplexer (4), and its light path connects the output of described control Multichannel photoswitch unit (2) and multichannel stabilized light source (7);
This monitoring station also comprises a filter (6), and its light path connects the input of described light power monitoring measuring unit (3);
The input of the output of this wavelength division multiplexer (4) and filter (6) respectively light path is connected to single two ends for fine tested optical cable segment.
7. rack cable resource far-end as claimed in claim 1 monitoring station is characterized in that, this monitoring station light path connects and also detects with fine;
This monitoring station also comprises a coupler (5), and light path connects a wavelength division multiplexer (4) of this coupler (5) input, this coupler (5) is the input of light path connection light power monitoring measuring unit (3) also, and wavelength division multiplexer (4) also light path connects described program control Multichannel photoswitch unit (2);
This coupler (5) is gone back light path with wavelength division multiplexer (4) and is connected to one the tunnel in using fibre, and coupler (5) connects the receiving terminal of this Lu Zaiyong fibre, and wavelength division multiplexer (4) connects the transmitting terminal of this Lu Zaiyong fibre;
Wavelength division multiplexer (4) and between with fine transmitting terminal also light path be connected with a filter (6).
8. rack cable resource far-end as claimed in claim 1 monitoring station is characterized in that, this monitoring station also comprises dish fine unit (9), wherein is placed with optical fiber long in the described monitoring station.
9. rack cable resource far-end as claimed in claim 1 monitoring station is characterized in that this monitoring station also comprises display unit and input unit, and this display unit is connected with input unit with described monitoring main frame (1) circuit and is connected.
CN 201120470231 2011-11-23 2011-11-23 Rack-type optical cable resource far-end monitoring station Expired - Lifetime CN202679364U (en)

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Application Number Priority Date Filing Date Title
CN 201120470231 CN202679364U (en) 2011-11-23 2011-11-23 Rack-type optical cable resource far-end monitoring station

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Application Number Priority Date Filing Date Title
CN 201120470231 CN202679364U (en) 2011-11-23 2011-11-23 Rack-type optical cable resource far-end monitoring station

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106130639A (en) * 2016-06-14 2016-11-16 许昌学院 Solve scheduling Data special web and take the method that too much main website number joins resource

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106130639A (en) * 2016-06-14 2016-11-16 许昌学院 Solve scheduling Data special web and take the method that too much main website number joins resource

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Granted publication date: 20130116