CN209342918U - One kind being based on power grid GIS Cable's Fault positioning device - Google Patents
One kind being based on power grid GIS Cable's Fault positioning device Download PDFInfo
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- CN209342918U CN209342918U CN201822062834.1U CN201822062834U CN209342918U CN 209342918 U CN209342918 U CN 209342918U CN 201822062834 U CN201822062834 U CN 201822062834U CN 209342918 U CN209342918 U CN 209342918U
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- 230000003287 optical effect Effects 0.000 claims abstract description 74
- 238000012360 testing method Methods 0.000 claims abstract description 23
- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 10
- 239000013307 optical fiber Substances 0.000 claims abstract description 4
- 238000000253 optical time-domain reflectometry Methods 0.000 claims abstract 6
- 238000001914 filtration Methods 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 12
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims 1
- 238000007726 management method Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 238000012423 maintenance Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 101100462363 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) OSW7 gene Proteins 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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Abstract
The utility model discloses one kind to be based on power grid GIS Cable's Fault positioning device, including fault location system, monitoring point access or the optical fiber drawn are connected to the input terminal of the filter module TF of the fault location system, the output end of the filter module TF is connected to the input terminal of the multiplex module WDM, the multiplex module WDM's, the output end of the optical power module OPM and stabilized light source module OS are connected to the input terminal of the optical test path module OTDR, the output end of the optical test path module OTDR is connected to the input terminal of the main control module MCU, the output end of the main control module is connected to the input terminal of the optical switch module OSW, the output end of the optical switch module OSW is connected to the smooth switch protecting module, the output end of the processor is connected to described Display, the processor also pass through communication device and are connected to monitor terminal.The quick and easy optical cable for navigating to damage of the utility model.
Description
Technical field
The utility model relates to intelligent power grid technology fields, more particularly to a kind of positioned based on power grid GIS Cable's Fault to fill
It sets.
Background technique
With the all-round construction of smart grid, power grid production, management functions are growing, single set equipment, single fiber optical cable
Bearer service situation is concentrated increasingly, and the system operation risk that single equipment, Cable's Fault are likely to result in increases.It is traditional based on
In the fiber optic cable maintenance management mode of the optical cable detection of the instruments such as OTDR, monitoring device is made up of multiple pieces., and reliability is not high,
To the reaction speed of failure by people depending on, trouble shoot is extremely difficult；The troubleshooting time is long, and fault location ability is poor, unpredictable
Hidden danger influences the normal work of communication network.The professional net that each equipment manufacturer provides is relied primarily on for the monitoring of optical transmission device
Guard system, poor universality, obstructed plant equipment are difficult to be compatible with.The inefficiency of the failures such as on-site test optical cable with broken point, and need
Interrupt current normal transmission business, it is difficult to realize long-term, real-time monitoring, Optical cable parameter change in long term statistics can not be grasped, only
It is able to achieve rush repair after failure, can not accomplish early warning in advance.Limited maintenance manpower how is utilized, is intelligently intensively carried out
The monitoring of optical cable, maintenance and management just seem more important.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of based on power grid GIS Cable's Fault positioning device, solution
Existing optical cable damage of having determined is not easy detected problem.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: one kind is positioned based on power grid GIS Cable's Fault
Device, including fault location system, the fault location system include main control module MCU, stabilized light source module OS, filter module
TF, multiplex module WDM, optical power module OPM, optical test path module OTDR and optical switch module OSW, light switch protecting mould
Block, monitoring point access or the optical fiber drawn are connected to the input terminal of the filter module TF, the output of the filter module TF
End is connected to the input terminal of the multiplex module WDM, the multiplex module WDM, described optical power module OPM and stable light
The output end of source module OS is connected to the input terminal of the optical test path module OTDR, the output of the optical test path module OTDR
End is connected to the input terminal of the main control module MCU, and the output end of the main control module is connected to the optical switch module OSW's
Input terminal, the output end of the optical switch module OSW are connected to the smooth switch protecting module, and the output end of the processor connects
It is connected to the display, the processor also passes through communication device and is connected to monitor terminal.
Preferably, the optical test path module OTDR includes directional coupler, pulse laser, pulse driving circuit, light
Power detection circuit, signal amplification circuit, A/D conversion circuit, processor and display, the output end of processor are connected to described
The input terminal of pulse driving circuit, the output end of the pulse driving circuit are connected to the input terminal of the pulse laser, institute
The output end for stating pulse laser is connected to the input terminal of the directional coupler, the light pulse signal hair of the directional coupler
It is sent to testing fiber and the testing fiber comes back to the directional coupler, the output of the directional coupler after reflection
End is connected to the input terminal of the photoelectric detective circuit, and the output end of the photoelectric detective circuit is connected to the signal amplification electricity
The input terminal on road, the output end that the output end of the signal amplification circuit is connected to the A/D conversion circuit are connected to the place
The input terminal of device is managed, the output end of the processor is connected to the display.
Preferably, the optical power module OPM is connected with directional coupler.
Preferably, the control chip of the main control module MCU and the processor is singlechip control chip, monolithic
The model AT89S52 of machine control chip.
Preferably, the optical power module OPM includes that optical receiving circuit is returned including sequentially connected low-power, high pass filter
Wave circuit, MGC circuit, the first radio frequency amplifying circuit, low-pass filtering module；The input terminal of the low-power passback optical receiving circuit
For light input end, the output end of the low-pass filtering module is RF output end.
Preferably, the high-pass filtering circuit includes the multiple capacitors being sequentially connected in series, the string between adjacent capacitor
Connection is respectively connected with an inductance on end, and one end of first capacitor is the input terminal of high-pass filtering circuit, and the one of the last one capacitor
End is the output end of high-pass filtering circuit.
(3) beneficial effect
The utility model provide it is a kind of based on power grid GIS Cable's Fault positioning device, have it is following the utility model has the advantages that
Electric power optical cable net on-line monitoring based on power network GIS platform can be realized with fault location system to lightguide cable link
Supervising and management in real time, the deterioration condition of dynamic observation lightguide cable link transmission performance, in time discovery and forecast optical cable hidden danger, reduce
Fault point is accurately positioned using GIS-Geographic Information System (GIS) in the incidence that optical cable blocks, and the failure for compressing optical cable lasts, and realizes
Monitoring and management to lightguide cable link are transitioned into rapidly the mode of Centralized Monitoring and management by artificial detection and management mode.
It is existing that these functions possessed by RFTS type cable network real-time monitoring system can make optical cable maintenance management unit make full use of
Internet resources effectively reinforce maintenance management work, reduce loss, and it is immeasurable can to safeguard that unit is brought to network operation
Economic benefit.The implementation process of fault location: the first step determines the accurate location of fault point.The failure of communications optical cable is mainly
Open circuit.When open circuit occurs, the decaying of optical signal can increase suddenly at open circuit, therefore we can use OTDR (optical time domain reflectometer),
By the decaying of light signal, distance of the optical cable trip point away from computer room is accurately obtained by this distance and utilizes communication line
" distance center computer room " field in attribute list, finds corresponding record in the table.To utilize the bar number of the record, on ground
It is shown in figure；Second step determines the bar point for cable of having a surplus recently.It, usually will be from distance fault when excluding lightguide cable link failure
Remaining cable is poured out in the place of the nearest cable of having a surplus of point, carries out optical cable welding.Therefore, it is necessary to after fault point, determine distance event
The bar point of the nearest cable of having a surplus of barrier point, to ensure to exclude Cable's Fault with most fast speed；Third step obtains Cable's Fault auxiliary
The information of decision.Matched record is found in emergency guarantee prediction scheme storehouse according to the type of failure or grade, obtains related exclude
Resource apparatus information needed for the method and maintenance failure of failure generates an emergency measure, and combines the above analysis inquiry
As a result aid decision is carried out.
Detailed description of the invention
Fig. 1 is the frame diagram of the utility model；
Fig. 2 is the frame diagram of the optical test path module OTDR of the utility model.
In figure: 1, filter module TF；2, multiplex module WDM；3, optical power module OPM；4, stabilized light source module OS；5, light
Road test module OTDR；6, main control module MCU；7, optical switch module OSW；8, light switch protecting module；9, directional coupler；
10, pulse laser；11, pulse driving circuit；12, photoelectric detective circuit；13, signal amplification circuit；14, A/D conversion circuit；
15, processor；16, display；17, communication device；18, monitor terminal.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, 2, it is proposed that following embodiments:
One kind being based on power grid GIS Cable's Fault positioning device, including fault location system, the fault location system include
Main control module MCU6, stabilized light source module OS4, filter module TF1, multiplex module WDM2, optical power module OPM3, optical test path
Module OTDR5 and optical switch module OSW7, light switch protecting module 8, monitoring point access or the optical fiber drawn are connected to institute
The input terminal of filter module TF1 is stated, the output end of the filter module TF1 is connected to the input terminal of the multiplex module WDM2,
The output end of the multiplex module WDM2, the optical power module OPM3 and stabilized light source module OS4 are connected to the optical path
The output end of the input terminal of test module OTDR5, the optical test path module OTDR5 is connected to the defeated of the main control module MCU6
Enter end, the output end of the main control module MCU6 is connected to the input terminal of the optical switch module OSW7, the optical switch module
The output end of OSW7 is connected to the smooth switch protecting module 8.
In the present embodiment, the optical test path module OTDR5 includes directional coupler 9, pulse laser 10, pulse drive
Dynamic circuit 11, photoelectric detective circuit 12, signal amplification circuit 13, A/D conversion circuit 14, processor 15 and display 16, place
The output end of reason device 15 is connected to the input terminal of the pulse driving circuit 11, the output end connection of the pulse driving circuit 11
To the input terminal of the pulse laser 10, the output end of the pulse laser 10 is connected to the defeated of the directional coupler 9
Enter end, the light pulse signal of the directional coupler 9 is sent to testing fiber and the testing fiber comes back to after reflection
The directional coupler 9, the output end of the directional coupler 9 is connected to the input terminal of the photoelectric detective circuit 12, described
The output end of photoelectric detective circuit 12 is connected to the input terminal of the signal amplification circuit 13, the signal amplification circuit 13 it is defeated
The output end that outlet is connected to the A/D conversion circuit 14 is connected to the input terminal of the processor 15, the processor 15
Output end is connected to the display 16, and the processor 15 is also connected to monitor terminal 18 by communication device 17.It can be
The working condition of line monitoring optical cable.
In the present embodiment, the optical power module OPM3 is connected with directional coupler 9.
In the present embodiment, the control chip of the main control module MCU6 and the processor 15 is single-chip microcontroller control core
Piece, the model AT89S52 of singlechip control chip.
In the present embodiment, the optical power module OPM3 includes sequentially connected low-power passback optical receiving circuit, high
Bandpass filter circuit, MGC circuit, the first radio frequency amplifying circuit, low-pass filtering module；The low-power returns the defeated of optical receiving circuit
Entering end is light input end, the output end of the low-pass filtering module be RF output end, it can be achieved that optical power down to -27~-
It is normally received within the scope of 13dBm, output level reaches 70dBuV；Using miniaturization, modularized design, light is returned to set up multichannel
Receiving platform provides combined modularization solution, saves occupied space.
In the present embodiment, the high-pass filtering circuit includes the multiple capacitors being sequentially connected in series, adjacent capacitor it
Between series connection end on be respectively connected with an inductance, one end of first capacitor is the input terminal of high-pass filtering circuit, the last one electricity
One end of appearance is the output end of high-pass filtering circuit, forms multistage LC high-pass filter by capacitor and inductance, realizes high pass filter
Wave energy eliminates low-frequency noise.
In Fig. 1,2, electric power optical cable net based on power network GIS platform on-line monitoring and fault location system be can be realized pair
The supervising and management in real time of lightguide cable link, the deterioration condition of dynamic observation lightguide cable link transmission performance, in time discovery and forecast light
Cable hidden danger, reduces the incidence that optical cable blocks, and fault point is accurately positioned using GIS-Geographic Information System (GIS), compresses the event of optical cable
Barrier lasts, and realizes monitoring and management to lightguide cable link, is transitioned into Centralized Monitoring and pipe rapidly by artificial detection and management mode
The mode of reason.These functions possessed by RFTS type cable network real-time monitoring system can make optical cable maintenance management unit abundant
Using conventional network resources, effectively reinforce maintenance management work, reduce loss, can safeguard that unit is brought not to network operation
The economic benefit that can be underestimated.The implementation process of fault location: the first step determines the accurate location of fault point.The event of communications optical cable
Barrier is mainly open circuit.When open circuit occurs, the decaying of optical signal can increase suddenly at open circuit, therefore we can use OTDR (optical time domain
Reflectometer), by the decaying of light signal, distance of the optical cable trip point away from computer room is accurately obtained, by this distance, is utilized
" distance center computer room " field in communication line attribute list, finds corresponding record in the table.To utilize the record
Bar number is shown in map；Second step determines the bar point for cable of having a surplus recently.It, usually will be from when excluding lightguide cable link failure
Remaining cable is poured out in the place of the nearest cable of having a surplus of distance fault point, carries out optical cable welding.Therefore, it is necessary to after fault point, really
The bar point of the nearest cable of having a surplus in set a distance fault point, to ensure to exclude Cable's Fault with most fast speed；Third step obtains optical cable
The information of failure aid decision.Matched record is found in emergency guarantee prediction scheme storehouse according to the type of failure or grade, is obtained
Resource apparatus information needed for the method and maintenance failure of correlation debugging, generates an emergency measure, and more than combination
It analyzes query result and carries out aid decision.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. one kind is based on power grid GIS Cable's Fault positioning device, including fault location system, it is characterised in that: the failure is fixed
Position system includes main control module MCU (6), stabilized light source module OS (4), filter module TF (1), multiplex module WDM (2), light function
Rate module OPM (3), optical test path module OTDR (5) and optical switch module OSW (7), light switch protecting module (8), monitoring point
Access or the optical fiber drawn are connected to the input terminal of the filter module TF (1), and the output end of the filter module TF (1) connects
It is connected to the input terminal of the multiplex module WDM (2), the multiplex module WDM (2), the optical power module OPM (3) and steady
The output end for determining light source module OS (4) is connected to the input terminal of the optical test path module OTDR (5), the optical test path module
The output end of OTDR (5) is connected to the input terminal of the main control module MCU (6), and the output end of the main control module MCU (6) connects
It is connected to the input terminal of the optical switch module OSW (7), the output end of the optical switch module OSW (7) is connected to the light switching
Protective module (8).
2. according to claim 1 a kind of based on power grid GIS Cable's Fault positioning device, it is characterised in that: the optical path
Test module OTDR (5) includes directional coupler (9), pulse laser (10), pulse driving circuit (11), photoelectric detective circuit
(12), signal amplification circuit (13), A/D conversion circuit (14), processor (15) and display (16), processor (15) it is defeated
Outlet is connected to the input terminal of the pulse driving circuit (11), and the output end of the pulse driving circuit (11) is connected to described
The output end of the input terminal of pulse laser (10), the pulse laser (10) is connected to the defeated of the directional coupler (9)
Enter end, the light pulse signal of the directional coupler (9) is sent to testing fiber and the testing fiber returns again after reflection
Output end to the directional coupler (9), the directional coupler (9) is connected to the input of the photoelectric detective circuit (12)
End, the output end of the photoelectric detective circuit (12) are connected to the input terminal of the signal amplification circuit (13), and the signal is put
The output end that the output end of big circuit (13) is connected to the A/D conversion circuit (14) is connected to the input of the processor (15)
End, the output end of the processor (15) are connected to the display (16), and the processor (15) also passes through communication device
(17) monitor terminal (18) are connected to.
3. according to claim 2 a kind of based on power grid GIS Cable's Fault positioning device, it is characterised in that: the smooth function
Rate module OPM (3) is connected with directional coupler (9).
4. according to claim 2 a kind of based on power grid GIS Cable's Fault positioning device, it is characterised in that: the master control
Module MCU (6) and the control chip of the processor (15) are singlechip control chip, the model of singlechip control chip
For AT89S52.
5. according to claim 1 a kind of based on power grid GIS Cable's Fault positioning device, it is characterised in that: the smooth function
Rate module OPM (3) includes sequentially connected low-power passback optical receiving circuit, high-pass filtering circuit, MGC circuit, the first radio frequency
Amplifying circuit, low-pass filtering module；The input terminal of the low-power passback optical receiving circuit is light input end, the low-pass filtering
The output end of module is RF output end.
6. according to claim 5 a kind of based on power grid GIS Cable's Fault positioning device, it is characterised in that: the high pass
Filter circuit includes the multiple capacitors being sequentially connected in series, and an inductance is respectively connected on the series connection end between adjacent capacitor, the
One end of one capacitor is the input terminal of high-pass filtering circuit, and one end of the last one capacitor is the output of high-pass filtering circuit
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062834.1U CN209342918U (en) | 2018-12-10 | 2018-12-10 | One kind being based on power grid GIS Cable's Fault positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062834.1U CN209342918U (en) | 2018-12-10 | 2018-12-10 | One kind being based on power grid GIS Cable's Fault positioning device |
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| Publication Number | Publication Date |
|---|---|
| CN209342918U true CN209342918U (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822062834.1U Expired - Fee Related CN209342918U (en) | 2018-12-10 | 2018-12-10 | One kind being based on power grid GIS Cable's Fault positioning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049225A (en) * | 2021-03-11 | 2021-06-29 | 国网甘肃省电力公司临夏供电公司 | Fault positioning device of optical cable equipment |
-
2018
- 2018-12-10 CN CN201822062834.1U patent/CN209342918U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049225A (en) * | 2021-03-11 | 2021-06-29 | 国网甘肃省电力公司临夏供电公司 | Fault positioning device of optical cable equipment |
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Granted publication date: 20190903 Termination date: 20191210 |