CN208939963U - A kind of optical cable prewarning monitoring system - Google Patents
A kind of optical cable prewarning monitoring system Download PDFInfo
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- CN208939963U CN208939963U CN201822082704.4U CN201822082704U CN208939963U CN 208939963 U CN208939963 U CN 208939963U CN 201822082704 U CN201822082704 U CN 201822082704U CN 208939963 U CN208939963 U CN 208939963U
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- circuit
- photoswitch
- optical cable
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- driving circuit
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- 230000003287 optical effect Effects 0.000 title claims abstract description 90
- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 239000000835 fiber Substances 0.000 claims abstract description 46
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 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 11
- 238000000253 optical time-domain reflectometry Methods 0.000 claims abstract 6
- 238000012423 maintenance Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 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
- 238000007689 inspection Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
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Abstract
The utility model discloses a kind of optical cable prewarning 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, detect driving circuit, OTDR circuit, circuit occurs for feux rouges, photoswitch driving 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, detect driving circuit, OTDR circuit and feux rouges occur circuit and constitute breaking point detection module, monitoring is acquired to the optical signal in more optical cable fibre cores by information acquisition module and the first photoswitch, optical cable with broken point is detected by breaking point detection module and the second photoswitch.This system, which can be realized, to be monitored more optical cable fibre cores and breaking point detection, and improves the fitness with maintenance work.
Description
Technical field
The utility model belongs to fiber optic communication field, more particularly, to a kind of optical cable prewarning 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, existing optical cable monitoring system are mainly to measure optical cable with broken point information by optical time domain reflection (OTDR) module, safeguard people
Member inevitably needs to look for optical cable with broken point according to these data, and existing optical cable fibre core monitoring system can only prompt mostly
There is breakpoint, and maintenance personnel needs to expend a large amount of energy in searching breakpoint process, makes troubles to maintenance work, therefore existing
The fitness of some optical cable fibre core monitoring systems and optical cable maintenance is high not enough.
Summary of the invention
The utility model provides a kind of optical cable prewarning monitoring system, ties up for solving existing optical survey system and optical cable
Nurse makees the not high enough problem of fitness.
Realize technical characteristic used in the utility model are as follows:
A kind of optical cable prewarning 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, detection driving circuit, OTDR circuit, feux rouges occur circuit, the first photoswitch,
Second photoswitch, photoswitch driving circuit, several fiber couplers and the fiber optic splitter equal with fiber coupler quantity
Device；
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 photoswitch driving circuit is connected to main control module, and the first output end of photoswitch driving circuit is connected to
The power input of first photoswitch, the open the light second output terminal of driving circuit of light are connected to the power input of the second photoswitch
End；
The input terminal of detection detection driving circuit is connected to main control module, and the first output end for detecting driving circuit is connected to
The power input of OTDR circuit, the second output terminal for detecting driving circuit are connected to the power input that circuit occurs for feux rouges,
The detection output of OTDR circuit is connected to control module, and the light signal output end of OTDR circuit is connected to the of the second photoswitch
One optical signal input, the light signal output end that circuit occurs for feux rouges are connected to the second optical signal input of the second photoswitch,
The light signal output end of second photoswitch is respectively connected to the bypass of different optical fiber splitters.
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 be monitored more optical cable fibre cores, and when breakpoint occurs in optical cable fibre core, and maintenance personnel can be with
More intuitively the fitness of this system and maintenance work is improved with the use of the feux rouges generation circuit searching breakpoint of this system.
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 prewarning monitoring system, including optical cable I, optical cable II and network management module, it further include master control
Module, photoelectric conversion circuit, operational amplification circuit, detection driving circuit, OTDR circuit, feux rouges occur circuit, the first photoswitch,
Second photoswitch, photoswitch driving circuit, several fiber couplers and the fiber optic splitter equal with fiber coupler quantity
Device；
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, it is preferred that 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 photoswitch driving circuit is connected to main control module, and the first output end of photoswitch driving circuit is connected to
The power input of first photoswitch, the open the light second output terminal of driving circuit of light are connected to the power input of the second photoswitch
End；
The input terminal of detection detection driving circuit is connected to main control module, and the first output end for detecting driving circuit is connected to
The power input of OTDR circuit, the second output terminal for detecting driving circuit are connected to the power input that circuit occurs for feux rouges,
The detection output of OTDR circuit is connected to control module, and the light signal output end of OTDR circuit is connected to the of the second photoswitch
One optical signal input, the light signal output end that circuit occurs for feux rouges are connected to the second optical signal input of the second photoswitch,
The light signal output end of second photoswitch is respectively connected to the bypass of different optical fiber splitters.
First photoswitch uses Multichannel photoswitch, and the quantity of optical signal input and the quantity of fiber coupler are equal,
First photoswitch includes a light signal output end and multiple optical signal inputs, and optical signal input quantity is equal to optical cable fibre core
Quantity, main control module controls the on-off of different electric-controlled switch in the first photoswitch by photoswitch driving circuit, to reach
To the purpose to different optical cable core light samples of signal.Second photoswitch uses Multichannel photoswitch, and the second photoswitch includes first
Optical signal input, two optical signal inputs of the second optical signal input and multiple light signal output ends, main control module pass through
Photoswitch driving circuit controls the on-off of different electric-controlled switch in the second photoswitch, to make different signal input part and not
Same signal output end is connected.
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.
Detection driving circuit, OTDR circuit and feux rouges occur circuit and constitute breaking point detection module, and main control module passes through inspection
It surveys driving circuit control OTDR circuit and circuit occurs for feux rouges, the light signal output end of circuit occurs for OTDR circuit and feux rouges through the
The different output ends of two photoswitches reach in different optical cable fibre cores.
The working method of the utility model is as follows: main control module is controlled in the first photoswitch not by photoswitch driving circuit
With photo-signal channel, the fiber coupler bypass optical signal in corresponding channel inputs information acquisition module through photo-signal channel,
Information acquisition module exports the light signal collection information of corresponding fibre core to main control module, main control module to light signal collection information into
Row judgement, carries out circulation gating to the optical channel in the first photoswitch, reaches 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 optical fiber splitter on the first optical signal input and N core is gated by photoswitch driving circuit afterwards, main control module passes through
It detects driving circuit driving OTDR circuit and generates optical signal, optical signal enters after the second photoswitch and corresponding optical fiber splitter
Optical cable fibre core, then OTDR circuit output believes optical cable with reference to breakpoint with reference to optical cable breakpoint information to main control module, main control module
The information of breath and normal optical cable fibre core is transmitted through the network to network management module, carries out jumping fiber for maintenance personnel to guarantee that business needs
It wants, is transmitted rear system with reference to optical cable breakpoint information and continues cycling through monitoring；
When maintenance personnel need to carry out welding maintenance to optical cable N core, first according to the reference optical cable with broken point of this system transmission
Information reaches near breakpoint, then transmits signal to main control module by network management, then main control module drives electricity by photoswitch
Road gates the optical fiber splitter on the second optical signal input and N core, drives feux rouges that electricity occurs by detection driving circuit
Road generates feux rouges, and feux rouges enters cable line in-core from the second photoswitch, reaches meeting light leakage at optical cable with broken point, can give maintenance personnel
More eye-catching prompt.
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, and when maintenance personnel needs welding optical cable fibre core breakpoint, it can be with the use of this system
Feux rouges occurs circuit auxiliary searching breakpoint and more intuitively improves the fitness of this system and maintenance work.
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 prewarning monitoring system, including optical cable I, optical cable II and network management module, it is characterised in that: further include master control mould
Circuit, the first photoswitch, the occur for block, photoelectric conversion circuit, operational amplification circuit, detection driving circuit, OTDR circuit, feux rouges
Two photoswitches, photoswitch driving circuit, several fiber couplers and the optical fiber splitter equal with fiber coupler quantity；
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 photoswitch driving circuit is connected to main control module, and the first output end of photoswitch driving circuit is connected to first
The power input of photoswitch, the open the light second output terminal of driving circuit of light are connected to the power input of the second photoswitch；
The input terminal of detection detection driving circuit is connected to main control module, and the first output end for detecting driving circuit is connected to OTDR
The power input of circuit, the second output terminal for detecting driving circuit are connected to the power input that circuit occurs for feux rouges, OTDR
The detection output of circuit is connected to control module, and the light signal output end of OTDR circuit is connected to the first light of the second photoswitch
Signal input part, the light signal output end that circuit occurs for feux rouges are connected to the second optical signal input of the second photoswitch, and second
The light signal output end of photoswitch is respectively connected to the bypass of different optical fiber splitters.
2. a kind of optical cable prewarning monitoring system as described in claim 1, it is characterised in that: the fiber coupler bypass and master
The splitting ratio on road is 3:97.
3. a kind of optical cable prewarning monitoring system as claimed in claim 1 or 2, it is characterised in that: the main control module passes through
RJ45 interface is connected to network management module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822082704.4U CN208939963U (en) | 2018-12-12 | 2018-12-12 | A kind of optical cable prewarning monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822082704.4U CN208939963U (en) | 2018-12-12 | 2018-12-12 | A kind of optical cable prewarning monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208939963U true CN208939963U (en) | 2019-06-04 |
Family
ID=66728493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822082704.4U Expired - Fee Related CN208939963U (en) | 2018-12-12 | 2018-12-12 | A kind of optical cable prewarning monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208939963U (en) |
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2018
- 2018-12-12 CN CN201822082704.4U patent/CN208939963U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |