CN109347546A - A method of it is diagnosed for Cable's Fault - Google Patents
A method of it is diagnosed for Cable's Fault Download PDFInfo
- Publication number
- CN109347546A CN109347546A CN201811295340.6A CN201811295340A CN109347546A CN 109347546 A CN109347546 A CN 109347546A CN 201811295340 A CN201811295340 A CN 201811295340A CN 109347546 A CN109347546 A CN 109347546A
- Authority
- CN
- China
- Prior art keywords
- optical cable
- optical
- breakpoints
- connector box
- intelligent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
Abstract
The invention discloses a kind of methods for Cable's Fault diagnosis, comprising: optical time domain reflectometer, optical cable, intelligent optical cable connector box composition；Optical cable is connected with intelligent optical cable connector box；Breakpoints of optical fiber binary coding is located in the intelligent optical cable connector box, and the intelligent optical cable connector box realizes the interconnection of optical cable；The optical time domain reflectometer is connect with optical cable；If optical cable breaks down, each breakpoints of optical fiber binary coding binary coding corresponding with preservation is compared, the binary coding of missing is obtained by comparing, and then determines the position that optical cable interrupts.The prior art cannot effectively combine optical identification, ranging and accurate geography information, cannot achieve the problem of accurate technology of reference point in optical cable identifies.
Description
Technical field
This application involves optical cable maintenance monitoring technical fields, and in particular to a method of it is diagnosed for Cable's Fault.
Background technique
In the processing of existing Cable's Fault, often according to long-range optical time domain reflectometer (OTDR) test evaluation abort situation,
Nearest intelligent optical cable connector box is opened, to confirm the general location of Cable's Fault, but requires to carry out every time repeatedly and numerous
Trivial work.
The prior art cannot effectively combine optical identification, ranging and accurate geography information, cannot achieve light
The accurate technology identification of reference point in cable.
Summary of the invention
The application provides a kind of method for Cable's Fault diagnosis, and cannot effectively optics be known by solving the prior art
Not, ranging and accurate geography information combine, and cannot achieve the problem of accurate technology of reference point in optical cable identifies.
The application provides a kind of method for Cable's Fault diagnosis characterized by comprising
Optical time domain reflectometer, optical cable, intelligent optical cable connector box composition；Optical cable is connected with intelligent optical cable connector box；Optical fiber is disconnected
Point binary coding is located in the intelligent optical cable connector box, and the intelligent optical cable connector box realizes the interconnection of optical cable；The light
Time-domain reflectomer is connect with optical cable；
By the breakpoints of optical fiber binary coding in the intelligent optical cable connector box under the normal condition of optical time domain reflectometer measurement
It is saved；If optical cable breaks down, by each breakpoints of optical fiber binary coding binary coding corresponding with preservation
It is compared, the binary coding of missing is obtained by comparing, and then determine the position that optical cable interrupts.
Preferably, the breakpoints of optical fiber binary coding is made of optical fiber, sheath, the fiber segment of different length, breakpoint.
Preferably, the fiber segment of the different length, for forming a coded sequence, according to the fiber segment to light wave
Reflection characteristic forms the composition of a reflection peak and straight line, obtains 1 and 0 coded combination；The row broken by adjusting the optical fiber
Column sequence, obtains 1 and 0 different coded combinations.
Preferably, the breakpoints of optical fiber binary coding has uniqueness.
Preferably, the breakpoints of optical fiber binary coding is located in the intelligent optical cable connector box, further includes:
The breakpoints of optical fiber binary coding is fixed in intelligent optical cable connector box, is connect by optical fiber with optical cable.
Preferably, the optical time domain reflectometer is connect with optical cable, is located in the intelligent optical cable connector box for measuring
Breakpoints of optical fiber binary coding.
Preferably, the breakpoints of optical fiber in the intelligent optical cable connector box by under the normal condition of optical time domain reflectometer measurement
After the step of binary coding is saved, further includes:
The breakpoints of optical fiber binary coding of preservation and the information for the intelligent optical cable connector box being located at are bound.
Preferably, the binary coding that missing is obtained by comparing, and then determine the position that optical cable interrupts, packet
It includes:
By the breakpoints of optical fiber binary coding and the binding information for the intelligent optical cable connector box being located at of preservation, obtains and lack
The information of the corresponding intelligent optical cable connector box of the binary coding of mistake；
By the information of the intelligent optical cable connector box, determine that position that optical cable interrupts is located at the intelligent optical cable and connects
The front of head cartridge.
Preferably, further includes:
By the breakpoints of optical fiber binary coding in the intelligent optical cable connector box under the normal condition of optical time domain reflectometer measurement
Reflected energy saved；
The binary-coded reflected energy of the breakpoints of optical fiber of preservation and the information for the intelligent optical cable connector box being located at are tied up
It is fixed；
If optical cable breaks down, by the binary-coded reflected energy of each breakpoints of optical fiber corresponding with preservation two
The reflected energy of scale coding is compared, if the binary-coded reflected energy of the breakpoints of optical fiber is less than the corresponding of preservation
Binary-coded reflected energy, it is determined that the position of optical cable generation attenuation.
A kind of method for Cable's Fault diagnosis provided by the present application, by optical time domain reflectometer to intelligent optical cable connector
Breakpoints of optical fiber binary coding in box is monitored, and finds the breakpoints of optical fiber binary coding of missing or the breakpoints of optical fiber of decaying
Binary-coded reflected energy determines the position that optical cable breaks down.Cannot effectively optics be known by solving the prior art
Not, ranging and accurate geography information combine, and cannot achieve the problem of accurate technology of reference point in optical cable identifies.
Detailed description of the invention
Fig. 1 is a kind of system structure diagram of method for Cable's Fault diagnosis provided by the embodiments of the present application；
Fig. 2 be the invention relates to breakpoints of optical fiber binary coding structural schematic diagram；
Fig. 3 be the invention relates to intelligent optical cable connector box structural schematic diagram.
Specific embodiment
Many details are explained in the following description in order to fully understand the application.But the application can be with
Much it is different from other way described herein to implement, those skilled in the art can be without prejudice to the application intension the case where
Under do similar popularization, therefore the application is not limited by following public specific implementation.
Fig. 1 is please referred to, Fig. 1 is a kind of system structure of method for Cable's Fault diagnosis provided by the embodiments of the present application
Schematic diagram 1 in Fig. 1 is OTDR, 2 be optical cable, 3 be intelligent optical cable connector box, 4 be breakpoints of optical fiber binary coding.OTDR is
The english abbreviation of optical time domain reflectometer, the OTDR occurred in the present embodiment refer both to optical time domain reflectometer.
Method provided by the embodiments of the present application is described in detail below with reference to Fig. 1.
A kind of method for Cable's Fault diagnosis provided by the present application characterized by comprising
Optical time domain reflectometer, optical cable, intelligent optical cable connector box composition；Optical cable is connected with intelligent optical cable connector box；Optical fiber is disconnected
Point binary coding is located in the intelligent optical cable connector box, and the intelligent optical cable box realizes the interconnection of optical cable；The optical time domain
Reflectometer is connect with optical cable,；
Breakpoints of optical fiber binary system in intelligent optical cable connector box under the normal condition that optical time domain reflectometer is detected is compiled
Code is saved；If optical cable breaks down, each breakpoints of optical fiber binary coding binary system corresponding with preservation is compiled
Code is compared, and the binary coding of missing is obtained by comparing, and then determines the position that optical cable interrupts.
Breakpoints of optical fiber binary coding is made of optical fiber, sheath, the fiber segment of different length, breakpoint.As shown in Fig. 2,
2-1 in figure is optical fiber, 2-2 is sheath, 2-3 is fiber segment, 2-4 is breakpoint.The fiber segment of different length, for forming one
Coded sequence forms the composition of a reflection peak and straight line according to the fiber segment to light wave reflection characteristic, obtains 1 and 0 volume
Code character is closed；By adjusting putting in order for the fiber segment, 1 and 0 different coded combinations is obtained.And by different length
The binary coding of fiber segment composition has uniqueness.Breakpoints of optical fiber binary coding is fixed in intelligent optical cable connector box, is led to
Optical fiber is crossed to connect with optical cable.The structural schematic diagram of intelligent optical cable connector box is as shown in figure 3, the 3-1 in figure is optical fiber, 3-2 is intelligence
Energy cable splice closure shell, 4 are breakpoints of optical fiber binary coding.
Optical time domain reflectometer is connect with optical cable, for measure be located at the intelligent optical cable connector box in breakpoints of optical fiber two into
System coding.Then the breakpoints of optical fiber binary system in the intelligent optical cable connector box under the normal condition of optical time domain reflectometer measurement is compiled
Code is saved, and then binds the breakpoints of optical fiber binary coding of preservation and the information for the intelligent optical cable connector box being located at.
The position of be located at intelligent optical cable connector box can be found after binding by breakpoints of optical fiber binary coding.
When optical cable breaks down, by each breakpoints of optical fiber binary coding binary coding corresponding with preservation into
Row compares, and the binary coding of missing is obtained by comparing, and then determines the position that optical cable interrupts, in the result of comparison,
When one of binary coding missing, it can be judged as that optical cable interrupts, pass through the breakpoints of optical fiber binary coding of preservation
With the binding information for the intelligent optical cable connector box being located at, the corresponding intelligent optical cable connector box of binary coding of missing is obtained
Information determines that the position that optical cable interrupts is located at the intelligent optical cable connector by the information of the intelligent optical cable connector box
The front of box.The binary-coded reflection energy of breakpoints of optical fiber in intelligent optical cable connector box that optical time domain reflectometer is also used to measure
Amount, the binary-coded reflected energy of breakpoints of optical fiber in the intelligent optical cable connector box under the normal condition of measurement is protected
It deposits.Then the binary-coded reflected energy of the breakpoints of optical fiber of preservation and the information for the intelligent optical cable connector box being located at are tied up
It is fixed, when optical cable breaks down, by the binary-coded reflected energy of each breakpoints of optical fiber binary system corresponding with preservation
The reflected energy of coding is compared, and in the result of comparison, protects if the binary-coded reflected energy of the breakpoints of optical fiber is less than
The corresponding binary-coded reflected energy deposited, it is determined that the position of optical cable generation attenuation.The bus of optical cable generation attenuation
Positioned at the front of the intelligent optical cable connector box.
A kind of method for Cable's Fault diagnosis provided by the present application, by optical time domain reflectometer to intelligent optical cable connector
Breakpoints of optical fiber binary coding in box is monitored, and finds the breakpoints of optical fiber binary coding of missing or the breakpoints of optical fiber of decaying
Binary-coded reflected energy determines the position that optical cable breaks down.The prior art cannot be effectively by optical identification, ranging
And accurately geography information combines, and cannot achieve the problem of accurate technology of reference point in optical cable identifies.
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although referring to above-described embodiment pair
The present invention is described in detail, those of ordinary skill in the art still can to a specific embodiment of the invention into
Row modifies perhaps equivalent replacement and these exist without departing from any modification of spirit and scope of the invention or equivalent replacement
Apply within pending claims of the invention.
Claims (9)
1. a kind of method for Cable's Fault diagnosis characterized by comprising
Optical time domain reflectometer, optical cable, intelligent optical cable connector box composition；Optical cable is connected with intelligent optical cable connector box；Breakpoints of optical fiber two
Scale coding is located in the intelligent optical cable connector box, and the intelligent optical cable connector box realizes the interconnection of optical cable；The optical time domain
Reflectometer is connect with optical cable；
Breakpoints of optical fiber binary coding in intelligent optical cable connector box under the normal condition of optical time domain reflectometer measurement is carried out
It saves；If optical cable breaks down, each breakpoints of optical fiber binary coding binary coding corresponding with preservation is carried out
It compares, the binary coding of missing is obtained by comparing, and then determine the position that optical cable interrupts.
2. the method according to claim 1, wherein the breakpoints of optical fiber binary coding, by optical fiber, sheath,
The fiber segment of different length, breakpoint composition.
3. according to the method described in claim 2, it is characterized in that, the fiber segment of the different length, for forming a volume
Code sequence forms the composition of a reflection peak and straight line according to the fiber segment to light wave reflection characteristic, obtains 1 and 0 coding
Combination；It puts in order by adjusting what the optical fiber broke, obtains 1 and 0 different coded combinations.
4. method according to claim 1 or 3, which is characterized in that the breakpoints of optical fiber binary coding has unique
Property.
5. the method according to claim 1, wherein the breakpoints of optical fiber binary coding is located at the intelligent light
In cable connector box, further includes:
The breakpoints of optical fiber binary coding is fixed in intelligent optical cable connector box, is connect by optical fiber with optical cable.
6. the method according to claim 1, wherein the optical time domain reflectometer is connect with optical cable, for measuring
Breakpoints of optical fiber binary coding in the intelligent optical cable connector box.
7. the method according to claim 1, wherein described will be under the normal condition of optical time domain reflectometer measurement
After the step of breakpoints of optical fiber binary coding in intelligent optical cable connector box is saved, further includes:
The breakpoints of optical fiber binary coding of preservation and the information for the intelligent optical cable connector box being located at are bound.
8. method according to claim 1 or claim 7, which is characterized in that the binary coding that missing is obtained by comparing,
And then determine the position that optical cable interrupts, comprising:
By the breakpoints of optical fiber binary coding and the binding information for the intelligent optical cable connector box being located at of preservation, missing is obtained
The information of the corresponding intelligent optical cable connector box of binary coding；
By the information of the intelligent optical cable connector box, determine that the position that optical cable interrupts is located at the intelligent optical cable connector box
Front.
9. the method according to claim 1, wherein further include:
Breakpoints of optical fiber in intelligent optical cable connector box under the normal condition of optical time domain reflectometer measurement is binary-coded anti-
Energy is penetrated to be saved；
The binary-coded reflected energy of the breakpoints of optical fiber of preservation and the information for the intelligent optical cable connector box being located at are bound；
If optical cable breaks down, by the binary-coded reflected energy of each breakpoints of optical fiber binary system corresponding with preservation
The reflected energy of coding is compared, if the binary-coded reflected energy of the breakpoints of optical fiber be less than save corresponding two into
Make the reflected energy of coding, it is determined that the position of optical cable generation attenuation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295340.6A CN109347546B (en) | 2018-11-01 | 2018-11-01 | Method for diagnosing optical cable fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295340.6A CN109347546B (en) | 2018-11-01 | 2018-11-01 | Method for diagnosing optical cable fault |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109347546A true CN109347546A (en) | 2019-02-15 |
| CN109347546B CN109347546B (en) | 2021-09-10 |
Family
ID=65313491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811295340.6A Active CN109347546B (en) | 2018-11-01 | 2018-11-01 | Method for diagnosing optical cable fault |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109347546B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946801A (en) * | 2019-03-07 | 2019-06-28 | 中山水木光华电子信息科技有限公司 | Optical cable splice closure with optical identification function and system applying same |
| CN111654323A (en) * | 2019-03-04 | 2020-09-11 | 国网山西省电力公司信息通信分公司 | Intelligent optical link operation and maintenance management method and device |
| CN112769476A (en) * | 2021-02-23 | 2021-05-07 | 深圳供电局有限公司 | Distribution network optical fiber box distribution information management system and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060285852A1 (en) * | 2005-06-21 | 2006-12-21 | Wenze Xi | Integrated maximum a posteriori (MAP) and turbo product coding for optical communications systems |
| US20070103670A1 (en) * | 2005-11-08 | 2007-05-10 | Oz Optics Ltd. | Fault detection in optical fibers |
| JP5627427B2 (en) * | 2010-12-08 | 2014-11-19 | 三菱電機株式会社 | Wavelength multiplexing transmission apparatus and wavelength multiplexing transmission system |
| CN107167872A (en) * | 2017-05-05 | 2017-09-15 | 薛鹏 | Fiber grating code set knows method for distinguishing |
| CN108306675A (en) * | 2018-04-17 | 2018-07-20 | 中山水木光华电子信息科技有限公司 | A kind of method and system of Intelligent optical fiber wire jumper fault diagnosis |
| CN108322254A (en) * | 2018-04-18 | 2018-07-24 | 中山水木光华电子信息科技有限公司 | A kind of the optical fiber cable for field operation trouble-shooter and method of OTDR identifications |
| CN108322255A (en) * | 2018-04-18 | 2018-07-24 | 中山水木光华电子信息科技有限公司 | A kind of optical fiber cable for field operation trouble-shooter based on electric signal identification |
-
2018
- 2018-11-01 CN CN201811295340.6A patent/CN109347546B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060285852A1 (en) * | 2005-06-21 | 2006-12-21 | Wenze Xi | Integrated maximum a posteriori (MAP) and turbo product coding for optical communications systems |
| US20070103670A1 (en) * | 2005-11-08 | 2007-05-10 | Oz Optics Ltd. | Fault detection in optical fibers |
| JP5627427B2 (en) * | 2010-12-08 | 2014-11-19 | 三菱電機株式会社 | Wavelength multiplexing transmission apparatus and wavelength multiplexing transmission system |
| CN107167872A (en) * | 2017-05-05 | 2017-09-15 | 薛鹏 | Fiber grating code set knows method for distinguishing |
| CN108306675A (en) * | 2018-04-17 | 2018-07-20 | 中山水木光华电子信息科技有限公司 | A kind of method and system of Intelligent optical fiber wire jumper fault diagnosis |
| CN108322254A (en) * | 2018-04-18 | 2018-07-24 | 中山水木光华电子信息科技有限公司 | A kind of the optical fiber cable for field operation trouble-shooter and method of OTDR identifications |
| CN108322255A (en) * | 2018-04-18 | 2018-07-24 | 中山水木光华电子信息科技有限公司 | A kind of optical fiber cable for field operation trouble-shooter based on electric signal identification |
Non-Patent Citations (2)
| Title |
|---|
| PENG-CHUN PENG 等: "Long-distance FBG sensor system using a linear-cavity fiber Raman laser scheme", 《IEEE PHOTONICS TECHNOLOGY LETTERS》 * |
| 欧进萍 等: "多段分布式光纤裂缝监测系统及其应用", 《压电与声光》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654323A (en) * | 2019-03-04 | 2020-09-11 | 国网山西省电力公司信息通信分公司 | Intelligent optical link operation and maintenance management method and device |
| CN111654323B (en) * | 2019-03-04 | 2021-12-31 | 国网山西省电力公司信息通信分公司 | Intelligent optical link operation and maintenance management method and device |
| CN109946801A (en) * | 2019-03-07 | 2019-06-28 | 中山水木光华电子信息科技有限公司 | Optical cable splice closure with optical identification function and system applying same |
| CN112769476A (en) * | 2021-02-23 | 2021-05-07 | 深圳供电局有限公司 | Distribution network optical fiber box distribution information management system and method |
| CN112769476B (en) * | 2021-02-23 | 2022-06-21 | 深圳供电局有限公司 | Distribution network optical fiber box distribution information management system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109347546B (en) | 2021-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109347546A (en) | A method of it is diagnosed for Cable's Fault | |
| CA2815316C (en) | Array connector test harness for single-ended optical test instruments | |
| US8654321B2 (en) | Testing of optical cable using optical time domain reflectometry | |
| CN101895339B (en) | Method for realizing early warning and positioning of malfunctions for power cable network | |
| CN103048588B (en) | Method and system for on-line locating power cable fault | |
| US20210003474A1 (en) | Optical fiber monitoring method, and optical fiber monitoring system | |
| CN108322253A (en) | A kind of optical fiber cable for field operation intelligent link head and its identifying and diagnosing localization method, system | |
| CN108306675A (en) | A kind of method and system of Intelligent optical fiber wire jumper fault diagnosis | |
| WO2021158492A1 (en) | High-resolution optical backscatter method to discover physical topology of complex, interconnected fiber optic network and automatically monitor and troubleshoot its performance | |
| CN103324890B (en) | The detection method and device that local file includes loophole are carried out to link | |
| CN104378156A (en) | Method and device for accurately locating fault point of optical cable | |
| CN204578539U (en) | A kind of to the pinpoint device of fault points of optical cables | |
| CN104111404A (en) | Polarized light time domain reflection-based power transmission line fault detection system and positioning method | |
| CN104104433A (en) | Optical cable fiber series connection detection device and method | |
| CN105099545A (en) | Quantum safety communication equipment for self-testing of damage to optical fiber | |
| CN108512593A (en) | A kind of optical cable diagnostic device and method based on FBG (FBG) demodulators | |
| CN202103671U (en) | Optical access network link two-dimensional optical orthogonal-code monitoring system | |
| CN202339264U (en) | Detecting system for optical fiber polarization loss and directional return loss | |
| CN105187119B (en) | The equidistant fault recognition method of EPON link based on optical time domain reflectometer | |
| CN115021804B (en) | Long-distance communication optical cable fault positioning method and related device | |
| CN208128251U (en) | A kind of optical fiber cable for field operation intelligent link head and its identifying and diagnosing positioning system | |
| CN109633829A (en) | A kind of optical series recognition methods, system and cable splice closure based on jumping fiber | |
| CN208128250U (en) | A kind of Intelligent optical fiber wire jumper trouble-shooter | |
| JP2013096734A (en) | Optical fiber diagnosis method | |
| CN108512592B (en) | Optical cable interruption type diagnosis system and method based on breakpoint graph feature points |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |