CN208939964U - A kind of optical cable intelligent early-warning monitoring system - Google Patents
A kind of optical cable intelligent early-warning monitoring system Download PDFInfo
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- CN208939964U CN208939964U CN201822082715.2U CN201822082715U CN208939964U CN 208939964 U CN208939964 U CN 208939964U CN 201822082715 U CN201822082715 U CN 201822082715U CN 208939964 U CN208939964 U CN 208939964U
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- photoswitch
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- optical cable
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- 230000003287 optical effect Effects 0.000 title claims abstract description 85
- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 49
- 238000000253 optical time-domain reflectometry Methods 0.000 claims abstract description 36
- 230000003321 amplification Effects 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 14
- 239000013307 optical fiber Substances 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
Abstract
The utility model discloses a kind of optical cable intelligent early-warning monitoring systems, including optical cable I, optical cable II and network management module, it further include main control module, photoelectric conversion circuit, operational amplification circuit, OTDR circuit, first photoswitch, second photoswitch, several fiber couplers and the optical fiber splitter equal with fiber coupler quantity, operational amplification circuit and photoelectric conversion circuit form information acquisition module, OTDR driving circuit and OTDR circuit constitute breaking point detection module, monitoring is acquired to the optical signal in more optical cable fibre cores by information acquisition module, optical cable with broken point is detected by breaking point detection module.This system, which can be realized, to be monitored more optical cable fibre cores and breaking point detection.
Description
Technical field
The utility model belongs to fiber optic communication field, more particularly, to a kind of optical cable intelligent early-warning monitoring system.
Background technique
With the strategic development of the Belt and Road, country proposes specific target call to broadband transmission, and optical cable is " broadband
The indispensable important component of China " construction.In the prior art, real-time monitoring can be carried out to optical cable fibre core by having had
Device, real-time monitoring system pass through the variation and variation tendency of real-time monitoring optic fibre characteristic, and discovery failure alerts in time, effectively
Cable's Fault is reduced and prevents, application No. is: the utility model patent of CN201620150272.4 discloses a kind of optical cable fibre core
Intelligent monitor system: including OTDR test module, alarm module, monitoring modular, host computer and server, the monitoring modular packet
Include AIU optical path acquisition unit and OSU optical path switch module, output end and the OSU optical path switch module of AIU optical path acquisition unit
Input terminal electrical connection, the output end of monitoring modular respectively with the OTDR test module input terminal and the upper mechatronics,
OTDR test module output end and the upper mechatronics, the Ethernet interface of host computer are led to by cable and server
Letter connection, the input terminal of alarm module are electrically connected with the output end of monitoring modular, and the utility model can remotely, online, automatically
Lightguide cable link, the variation and variation tendency of real-time monitoring optic fibre characteristic are monitored, discovery failure is alerted in time, efficiently reduced and in advance
Cable's Fault position is accurately positioned in anti-Cable's Fault, shortens fault time, mitigates the work load of maintenance personnel.Actually answering
In, optical cable is possible to only exist the case where a certain core or a few cores interrupt, but application No. is the realities of CN201620150272.4
The a plurality of fibre core for how efficiently monitoring optical cable is not referred to new patent.
Summary of the invention
The utility model provides a kind of optical cable intelligent early-warning monitoring system, can not for solving existing optical survey system
The problem of to fibre core a plurality of in optical cable monitoring and early warning.
Realize technical characteristic used in the utility model are as follows:
A kind of optical cable intelligent early-warning monitoring system, including optical cable I, optical cable II and network management module, it is characterised in that: further include
Main control module, photoelectric conversion circuit, operational amplification circuit, OTDR driving circuit, OTDR circuit, the first photoswitch, the second light are opened
Pass, the first photoswitch driving circuit, the second photoswitch driving circuit, several fiber couplers and with fiber coupler quantity
Equal optical fiber splitter；
It is right that each fibre core of optical cable I is successively connected to optical cable II after the main road of the main road of optical fiber splitter and fiber coupler
On the fibre core answered, main control module is connected to network management module；
The optical signal input of first photoswitch is respectively connected to the bypass of fiber coupler, the optical signal of the first photoswitch
Output end is connected to photoelectric conversion circuit optical signal input, and it is defeated that the output end of photoelectric conversion circuit is connected to operational amplification circuit
Enter end, the output end of operational amplification circuit is connected to main control module；
The input terminal of first photoswitch driving circuit is connected to main control module, and the output end of the first photoswitch driving circuit connects
It is connected to the power input of the first photoswitch；
The input terminal of OTDR driving circuit is connected to main control module, and the output end of OTDR driving circuit is connected to OTDR circuit
Input terminal, the detection output of OTDR circuit is connected to control module, and the light signal output end of OTDR circuit is connected to second
The optical signal input of photoswitch, the light signal output end of the second photoswitch are respectively connected to the bypass of different optical fiber splitters；
The input terminal of second photoswitch driving circuit is connected to main control module, and the output end of the second photoswitch driving circuit connects
It is connected to the power input of the second photoswitch.
Preferably, the fiber coupler bypass and the splitting ratio of main road are 3:97.
Preferably, the main control module is connected to network management module by RJ45 interface.
The utility model has the advantages that
This system can carry out early warning monitoring and breaking point detection to fibre core a plurality of in optical cable, while use fiber coupler pair
Optical signal on optical cable fibre core is sampled, and reduces the optical attenuation of system to greatest extent.
Detailed description of the invention
With reference to the accompanying drawing and specific embodiment the utility model is described in further detail, in which:
Fig. 1 is the circuit module figure of the utility model.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.
As shown in Figure 1, a kind of optical cable intelligent early-warning monitoring system, including optical cable I, optical cable II and network management module, further include
Main control module, photoelectric conversion circuit, operational amplification circuit, OTDR driving circuit, OTDR circuit, the first photoswitch, the second light are opened
Pass, the first photoswitch driving circuit, the second photoswitch driving circuit, several fiber couplers and with fiber coupler quantity
Equal optical fiber splitter；
It is right that each fibre core of optical cable I is successively connected to optical cable II after the main road of the main road of optical fiber splitter and fiber coupler
On the fibre core answered, main control module is connected to network management module by RJ45 interface；
The optical signal input of first photoswitch is respectively connected to the bypass of fiber coupler, the optical signal of the first photoswitch
Output end is connected to photoelectric conversion circuit optical signal input, and it is defeated that the output end of photoelectric conversion circuit is connected to operational amplification circuit
Enter end, the output end of operational amplification circuit is connected to main control module；
The input terminal of first photoswitch driving circuit is connected to main control module, and the output end of the first photoswitch driving circuit connects
It is connected to the power input of the first photoswitch；
The input terminal of OTDR driving circuit is connected to main control module, and the output end of OTDR driving circuit is connected to OTDR circuit
Input terminal, the detection output of OTDR circuit is connected to control module, and the light signal output end of OTDR circuit is connected to second
The optical signal input of photoswitch, the light signal output end of the second photoswitch are respectively connected to the bypass of different optical fiber splitters；
The input terminal of second photoswitch driving circuit is connected to main control module, and the output end of the second photoswitch driving circuit connects
It is connected to the power input of the second photoswitch.
First photoswitch uses Multichannel photoswitch, and the quantity of optical signal input and the quantity of fiber coupler are equal,
The optical signal input of first photoswitch is connected to the same light signal output end, the optical signal input of each first photoswitch
Electric-controlled switch is provided between its light signal output end, main control module controls the first light by the first photoswitch driving circuit and opens
The on-off of different electric-controlled switch inside the Pass, to achieve the purpose that sample different optical cable fibre cores.Second photoswitch uses multichannel
Photoswitch, the quantity of the light signal output end of the second photoswitch and the quantity of optical fiber splitter are equal, the light letter of the second photoswitch
Number output end is connected to the same optical signal input, the light signal output end and its optical signal input of each second photoswitch
Between be provided with electric-controlled switch, main control module controls different in the second photoswitch automatically controlled open by the second photoswitch driving circuit
The on-off of pass.
Operational amplification circuit and photoelectric conversion circuit form information acquisition module, and information acquisition module is used for in optical cable
Optical signal is acquired sampling, is converted into the first electric signal, operational amplification circuit for optical signal is sampled by photoelectric conversion circuit
First electric signal is amplified and exports the second electric signal to main control module.Preferably, the fiber coupler bypass and main road
Splitting ratio is 3:97, that is to say, that 3% optical signal is used for the sampling of information acquisition module in optical cable fibre core.
OTDR driving circuit and OTDR circuit constitute breaking point detection module, and main control module is controlled by OTDR driving circuit
The light signal output end of OTDR circuit, OTDR circuit is reached through the different output ends of the second photoswitch in different optical cable fibre cores.
The working method of the utility model is as follows: main control module controls the first photoswitch by the first photoswitch driving circuit
Interior different photo-signal channel, the fiber coupler bypass optical signal in corresponding channel input information collection mould through photo-signal channel
Block, information acquisition module export the light signal collection information of corresponding fibre core to main control module, and main control module believes light signal collection
Breath is judged, is carried out circulation gating to the optical channel in the first photoswitch, is reached the monitoring to multichannel optical cable fibre core with this；
During circularly monitoring, if the optical signal of N core interrupts in optical cable, the first photoswitch is closed, interrupts monitoring, so
The corresponding optical fiber splitter being arranged on N core is gated by the second photoswitch driving circuit afterwards, main control module passes through OTDR
Driving circuit drives OTDR device to generate optical signal, and optical signal enters optical cable after the second photoswitch and corresponding optical fiber splitter
Fibre core, then OTDR circuit output with reference to optical cable breakpoint information to main control module, main control module by optical cable with reference to breakpoint information and
The information of normal optical cable fibre core is transmitted through the network to network management module, carries out jumping fiber for maintenance personnel to guarantee business needs, joins
It examines optical cable with broken point information and is transmitted rear system and continue cycling through monitoring.
Photoelectric conversion circuit and operational amplification circuit in this system form information acquisition module, driving circuit, OTDR electricity
Road and feux rouges occur circuit and form breaking point detection module, by information acquisition module and the first photoswitch to more optical cable fibre cores into
Traveling optical signal detection detect to the breakpoint of optical cable fibre core and will refer to breakpoint by breaking point detection module and the second photoswitch
Information is transmitted on network management in time, while being sampled using fiber coupler to the optical signal on optical cable fibre core, to greatest extent
The optical attenuation for reducing system.
It is the preferred embodiment of the utility model it should be noted that described above, the utility model not office
It is limited to above embodiment, as long as its technical effect for reaching the utility model with identical means, it is practical new all should belong to this
The protection scope of type.
Claims (3)
1. a kind of optical cable intelligent early-warning monitoring system, including optical cable I, optical cable II and network management module, it is characterised in that: further include master
Control module, photoelectric conversion circuit, operational amplification circuit, OTDR driving circuit, OTDR circuit, the first photoswitch, the second photoswitch,
First photoswitch driving circuit, the second photoswitch driving circuit, several fiber couplers and with fiber coupler quantity phase
Deng optical fiber splitter；
It is corresponding that each fibre core of optical cable I is successively connected to optical cable II after the main road of the main road of optical fiber splitter and fiber coupler
On fibre core, main control module is connected to network management module；
The optical signal input of first photoswitch is respectively connected to the bypass of fiber coupler, the optical signal output of the first photoswitch
End is connected to photoelectric conversion circuit optical signal input, and the output end of photoelectric conversion circuit is connected to operational amplification circuit input
End, the output end of operational amplification circuit are connected to main control module；
The input terminal of first photoswitch driving circuit is connected to main control module, and the output end of the first photoswitch driving circuit is connected to
The power input of first photoswitch；
The input terminal of OTDR driving circuit is connected to main control module, and the output end of OTDR driving circuit is connected to the defeated of OTDR circuit
Enter end, the detection output of OTDR circuit is connected to control module, and the light signal output end of OTDR circuit is connected to the second light and opens
The optical signal input of pass, the light signal output end of the second photoswitch are respectively connected to the bypass of different optical fiber splitters；
The input terminal of second photoswitch driving circuit is connected to main control module, and the output end of the second photoswitch driving circuit is connected to
The power input of second photoswitch.
2. a kind of optical cable intelligent early-warning monitoring system as described in claim 1, it is characterised in that: the fiber coupler bypass
Splitting ratio with main road is 3:97.
3. a kind of optical cable intelligent early-warning monitoring system as claimed in claim 1 or 2, it is characterised in that: the main control module is logical
It crosses RJ45 interface and is connected to network management module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822082715.2U CN208939964U (en) | 2018-12-12 | 2018-12-12 | A kind of optical cable intelligent early-warning monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822082715.2U CN208939964U (en) | 2018-12-12 | 2018-12-12 | A kind of optical cable intelligent early-warning monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN208939964U true CN208939964U (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822082715.2U Expired - Fee Related CN208939964U (en) | 2018-12-12 | 2018-12-12 | A kind of optical cable intelligent early-warning monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116094592A (en) * | 2023-04-06 | 2023-05-09 | 广东电网有限责任公司佛山供电局 | Automatic measurement method and device for parameters of electric power communication optical cable |
-
2018
- 2018-12-12 CN CN201822082715.2U patent/CN208939964U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116094592A (en) * | 2023-04-06 | 2023-05-09 | 广东电网有限责任公司佛山供电局 | Automatic measurement method and device for parameters of electric power communication optical cable |
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Granted publication date: 20190604 |