CN103812554A - Method and auxiliary device for positioning fault point of optical cable - Google Patents
Method and auxiliary device for positioning fault point of optical cable Download PDFInfo
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- CN103812554A CN103812554A CN201410067577.4A CN201410067577A CN103812554A CN 103812554 A CN103812554 A CN 103812554A CN 201410067577 A CN201410067577 A CN 201410067577A CN 103812554 A CN103812554 A CN 103812554A
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Abstract
The invention discloses a method for positioning a fault point of an optical cable. A signal device is arranged on each connector box of the optical cable. The signal devices, a signal scanning device and a monitoring fiber core in the optical cable form an optical cable fault point positioning system. The geographical position of the fault point is accurately displayed by using a geographic information system (GIS). The method for positioning the fault point of the optical cable can accurately and geographically locate an optical cable fault based on optical cable fault positioning technology (converting a one dimensional characteristic of the fault point of the optical cable to a confirmable two dimensional characteristic), improves running maintenance capability of the optical cable, and saves processing time of the optical cable fault. Furthermore, the method for positioning the fault point of the optical cable is simple in principle and structure, and convenient to implement, and not only can be used in an optical cable on-line monitoring system, but also can be used in an optical cable fault positioning system, an optical cable daily maintenance management system and an environment temperature monitoring system.
Description
Technical field
The localization method and the servicing unit that the present invention relates to a kind of fault points of optical cables, belong to optical cable maintenance technical field.
Background technology
In Cable's Fault geo-location, Cable's Fault is accurately navigated to the most important work that less geographic area is Cable's Fault processing, but because the actual laying of optical cable and theoretical geographical position do not match (in actual process of deployment, the laying of optical cable can not be laid according to design route completely, comprise and there will be bending or because landform reason causes bending, make its specific geographic paving location uncertain, especially the later stage is due to extraneous factor (while needing mobile optical cable as Urban renewal or while increasing optical cable), make not only to can not determine its particular geographic location, and the cable length between each connector box be can not determine), cause after the later stage, optical cable broke down, can only know that fault points of optical cables appears at the distance with respect to initial point (this initial point is that people is the arbitrary position that is set in actual optical cable) of actual optical cable, fault points of optical cables geographical position is determined more difficult, for optical cable repairing in real time brings huge difficulty.
Summary of the invention
The object of the invention is: a kind of localization method and servicing unit of fault points of optical cables are provided, can effectively the geographical position of fault points of optical cables be determined in minimum interval range, the optical cable greatly alleviating is the difficulty of repairing in real time, to overcome the deficiencies in the prior art.
Technical solution of the present invention
A kind of localization method of fault points of optical cables, on each connector box of cable line, be provided with signalling, in signalling, signal scanning device and cable line, monitor fibre core and form Cable's Fault point positioning system, and utilize generalized information system accurately fault point to be shown on geographical position.
In the localization method of aforementioned fault points of optical cables, described Cable's Fault point positioning system comprises two cover subsystems: a set of is optical cable physical length display system, and another set of is the actual geographic position display system of optical cable; Optical cable physical length display system adopts signalling to be connected on the monitoring fibre core in connector box, realize the segmentation demonstration to optical cable physical length according to signalling and monitoring fibre core, and the each intersegmental actual range of demonstration place, each signalling is as the node in optical cable physical length system; The actual geographic position distribution that the actual geographic position display system of optical cable is realized optical cable according to signalling and signal scanning device shows, and each signalling can be used as again the node in the actual geographic position display system of optical cable.
In the localization method of aforementioned fault points of optical cables, when the monitoring fibre core in cable line monitors after fault points of optical cables, optical cable physical length display system can be determined fault points of optical cables between these optical cable physical length system two nodes, the actual geographic position display system of optical cable scans the signalling corresponding with these optical cable physical length system two nodes by signal scanning device, again according to the proportionate relationship to corresponding, and can find corresponding fault points of optical cables.
In the localization method of aforementioned fault points of optical cables, comprise two covers corresponding signal source mutually again independent of one another in every cover signalling, a set of is signal source in optical cable physical length display system, and another set of is signal source in the actual geographic position display system of optical cable.
A kind of positioning auxiliary device of fault points of optical cables, comprise cable splice closure intelligent apparatus, signal scanning device and generalized information system, in cable splice closure intelligent apparatus, be respectively equipped with two cover signallings, signal scanning device is connected with generalized information system, and signal scanning device scans respective signal device and by generalized information system, cable splice closure intelligent apparatus is presented on geographical position.
In the positioning auxiliary device of aforesaid fault points of optical cables, described cable splice closure intelligent apparatus is arranged on the each connector box on cable line, and cable splice closure intelligent apparatus is connected with the monitoring fibre core in cable line, by being arranged on each connector box, realize the segmentation of cable line is shown, and each connector box place is the node in this positioning auxiliary device, utilize generalized information system to show.
In the positioning auxiliary device of aforesaid fault points of optical cables, described signalling comprises grating fibers and radio-frequency (RF) device, be provided with in grating fibers both sides and the optical fiber splice of monitoring fibre core and being connected, the fiber grating that employing is easy to optical fiber compatibility is connected as signalling and with monitoring fibre core, and according to the unicity of fiber grating, can effectively distinguish each cable splice closure intelligent apparatus, radio-frequency (RF) device is as the second cover signalling, radio-frequency (RF) device also has unicity, thereby realize same connector box place cable splice closure intelligent apparatus on cable line, fiber grating, the mutual correspondence of radio-frequency (RF) device, also realize different connector boxs place cable splice closure intelligent apparatus on cable line, fiber grating, the independence of radio-frequency (RF) device.
In the positioning auxiliary device of aforesaid fault points of optical cables, described signal scanning device comprises corresponding with grating fibers and radio-frequency (RF) device respectively fiber Bragg grating (FBG) demodulator and radio-frequency (RF) device scanning means, fiber Bragg grating (FBG) demodulator and fiber grating and monitoring fibre core form optical cable physical length display system, by fiber Bragg grating (FBG) demodulator scanning fiber bragg grating, the physical length of optical cable is shown by segmentation to (fiber grating is as node, the each internodal cable line physical length of demonstration place), radio-frequency (RF) device and radio frequency reading device form the actual geographic position display system of optical cable, when occurring after Cable's Fault, the actual range (this position refer to fault points of optical cables actual range with respect to optical cable initial point) of the monitoring fibre core localization of faults on actual light cable, the fiber grating that the localization of faults is adjacent, according to the correspondence of radio-frequency (RF) device and fiber grating, by the radio-frequency (RF) device scanning means scanning place radio-frequency (RF) device corresponding with fiber grating, the localization of faults is at actual geographic position range, again can be according to the distance of fault point and adjacent fiber grating, continue to dwindle fault point scope, thereby realize fault points of optical cables position location from one dimension conversion and two dimensional surface, also can utilize the ambient temperature at the temperature characterisitic detecting optical cable place of fiber grating simultaneously.
Owing to having adopted technique scheme, with prior art ratio, the present invention can be more accurately by Cable's Fault geo-location (one dimension of realizing fault points of optical cables be converted to confirmable two dimension) on Cable's Fault geographic positioning technology, improve optical cable operation maintenance ability, save the Cable's Fault processing time; The principle of the invention and simple in structure, it is convenient to implement, and can be used for optical fiber online monitoring system and also can be used for optical fiber failure positioning system, optical fiber regular maintenance management system and Environment temperature supervision system.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is cable splice closure intelligent apparatus structural representations in the present invention.
Being labeled as in accompanying drawing: 1-cable splice closure intelligent apparatus, 2-signalling, 3-signal scanning device, 4-grating fibers, 5-radio-frequency (RF) device, 6-fiber Bragg grating (FBG) demodulator, 7-radio-frequency (RF) device scanning means, 8-GIS system, 9-cable line, 10-optical fiber splice.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, but not as any limitation of the invention.
The localization method of a kind of fault points of optical cables of the present invention, on each connector box of cable line, be provided with signalling, in signalling, signal scanning device and cable line, monitor fibre core and form Cable's Fault point positioning system, and utilize generalized information system accurately fault point to be shown on geographical position.
Wherein said Cable's Fault point positioning system comprises two cover subsystems: a set of is optical cable physical length display system, and another set of is the actual geographic position display system of optical cable; Optical cable physical length display system adopts signalling to be connected on the monitoring fibre core in connector box, realize the segmentation demonstration to optical cable physical length according to signalling and monitoring fibre core, and the each intersegmental actual range of demonstration place, each signalling is as the node in optical cable physical length system; The actual geographic position distribution that the actual geographic position display system of optical cable is realized optical cable according to signalling and signal scanning device shows, and each signalling can be used as again the node in the actual geographic position display system of optical cable; When the monitoring fibre core in cable line monitors after fault points of optical cables, optical cable physical length display system can be determined fault points of optical cables between these optical cable physical length system two nodes, the actual geographic position display system of optical cable scans the signalling corresponding with these optical cable physical length system two nodes by signal scanning device, again according to the proportionate relationship to corresponding, and can find corresponding fault points of optical cables.
Concrete, in each signalling, include two covers corresponding signal source mutually again independent of one another, a set of is signal source in optical cable physical length display system, another set of is signal source in the actual geographic position display system of optical cable.
In the present embodiment, this signal source is used respectively fiber grating and radio-frequency (RF) device, the fiber grating that employing is easy to optical fiber compatibility is connected as signalling and with monitoring fibre core, and according to the unicity of fiber grating, can effectively distinguish each cable splice closure, radio-frequency (RF) device is as the second cover signalling, radio-frequency (RF) device also has unicity, thereby realizes the mutual correspondence of same connector box place cable splice closure, fiber grating, radio-frequency (RF) device on cable line, also realizes the independence of different connector boxs on cable line.
Fiber Bragg grating (FBG) demodulator and fiber grating and monitoring fibre core form optical cable physical length display system, by fiber Bragg grating (FBG) demodulator scanning fiber bragg grating, the physical length of optical cable is shown by segmentation to (fiber grating is as node, the each internodal cable line physical length of demonstration place), radio-frequency (RF) device and radio frequency reading device form the actual geographic position display system of optical cable, when occurring after Cable's Fault, the actual range (this position refer to fault points of optical cables actual range with respect to optical cable initial point) of the monitoring fibre core localization of faults on actual light cable, the fiber grating that the localization of faults is adjacent, according to the correspondence of same connector box place's radio-frequency (RF) device and fiber grating, by the radio-frequency (RF) device scanning means scanning place radio-frequency (RF) device corresponding with fiber grating, the localization of faults is at actual geographic position range, again can be according to the distance of fault point and adjacent fiber grating, continue to dwindle fault point scope, thereby realize fault points of optical cables position location from one dimension conversion and two dimensional surface, also can utilize the ambient temperature at the temperature characterisitic detecting optical cable place of fiber grating simultaneously.
Principle process is as follows:
One, monitoring fibre core monitors fault points of optical cables, and determines the physical location (this position refer to fault points of optical cables actual range with respect to optical cable initial point) of this fault points of optical cables on actual optical cable;
Two, utilize fiber Bragg grating (FBG) demodulator determine the position of fiber grating in actual optical cable and fiber grating is carried out to label, and fiber grating adjacent fault points of optical cables is determined to the distance of fault points of optical cables and adjacent fiber grating (and calculate);
Three, utilize the scanning of radio-frequency (RF) device scanning means and the radio-frequency (RF) device of determining that fiber grating is corresponding, utilize generalized information system accurately by really radio-frequency (RF) device be shown on geographical position, can realize the scope of dwindling this fault points of optical cables (under actual conditions, between the connector box of cable line, spacing is that 3km is to 5km, precision of the present invention just can reach corresponding precision, between precision of the present invention and servicing unit, spacing is directly proportional), and also can suitably dwindle fault point scope with reference to the distance of fault points of optical cables and adjacent fiber grating.
A kind of constructed auxiliary locator of localization method by appeal fault points of optical cables, comprise cable splice closure intelligent apparatus 1, signal scanning device 3, in cable splice closure intelligent apparatus 1, be respectively equipped with two cover signallings 2, signal scanning device 3 is connected with generalized information system 8, and signal scanning device 3 scans respective signal device 2 and by generalized information system, cable splice closure intelligent apparatus 1 is presented on geographical position.
Wherein said cable splice closure intelligent apparatus 1 is arranged on the each connector box on cable line, and cable splice closure intelligent apparatus 1 is connected with the monitoring fibre core in cable line; Described signalling 2 comprises grating fibers 4 and radio-frequency (RF) device 5, be provided with in grating fibers 4 both sides and the optical fiber splice 10 of monitoring fibre core and being connected, described signal scanning device 3 comprises corresponding with grating fibers 4 and radio-frequency (RF) device 5 respectively fiber Bragg grating (FBG) demodulator 6 and radio-frequency (RF) device scanning means 7.
Claims (8)
1. the localization method of a fault points of optical cables, it is characterized in that: on each connector box of cable line, be provided with signalling, in signalling, signal scanning device and cable line, monitor fibre core and form Cable's Fault point positioning system, and utilize generalized information system accurately fault point to be shown on geographical position.
2. the localization method of fault points of optical cables according to claim 1, is characterized in that: described Cable's Fault point positioning system comprises two cover subsystems: a set of is optical cable physical length display system, and another set of is the actual geographic position display system of optical cable; Optical cable physical length display system adopts signalling to be connected on the monitoring fibre core in connector box, realize the segmentation demonstration to optical cable physical length according to signalling and monitoring fibre core, and the each intersegmental actual range of demonstration place, each signalling is as the node in optical cable physical length system; The actual geographic position distribution that the actual geographic position display system of optical cable is realized optical cable according to signalling and signal scanning device shows, and each signalling can be used as again the node in the actual geographic position display system of optical cable.
3. the localization method of fault points of optical cables according to claim 2, it is characterized in that: when the monitoring fibre core in cable line monitors after fault points of optical cables, optical cable physical length display system can be determined fault points of optical cables between these optical cable physical length system two nodes, the actual geographic position display system of optical cable scans the signalling corresponding with these optical cable physical length system two nodes by signal scanning device, again according to the proportionate relationship to corresponding, and can find corresponding fault points of optical cables.
4. the localization method of fault points of optical cables according to claim 2, it is characterized in that: in described every cover signalling, comprise two covers mutual corresponding signal source again independent of one another, a set of is signal source in optical cable physical length display system, and another set of is signal source in the actual geographic position display system of optical cable.
5. the positioning auxiliary device of a fault points of optical cables, comprise cable splice closure intelligent apparatus (1), signal scanning device (3) and generalized information system (8), it is characterized in that: in cable splice closure intelligent apparatus (1), be respectively equipped with two cover signallings (2), signal scanning device (3) is connected with generalized information system (8), and signal scanning device (3) scans respective signal device (2) and by generalized information system (8), cable splice closure intelligent apparatus (1) is presented on geographical position.
6. the positioning auxiliary device of fault points of optical cables according to claim 5, it is characterized in that: described cable splice closure intelligent apparatus (1) is arranged on the each connector box on cable line, and cable splice closure intelligent apparatus (1) is connected with the monitoring fibre core in cable line.
7. the positioning auxiliary device of fault points of optical cables according to claim 5, it is characterized in that: described signalling (2) comprises grating fibers (4) and radio-frequency (RF) device (5), be provided with in grating fibers (4) both sides and the optical fiber splice (10) of monitoring fibre core and being connected.
8. the positioning auxiliary device of fault points of optical cables according to claim 5, is characterized in that: described signal scanning device (3) comprises corresponding with grating fibers (4) and radio-frequency (RF) device (5) respectively fiber Bragg grating (FBG) demodulator (6) and radio-frequency (RF) device scanning means (7).
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| CN201410067577.4A CN103812554B (en) | 2014-02-27 | 2014-02-27 | A kind of localization method of fault points of optical cables and servicing unit |
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Cited By (8)
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| CN104333417A (en) * | 2014-09-23 | 2015-02-04 | 国网安徽省电力公司阜阳供电公司 | Electric power communication optical cable fault positioning technology |
| CN104359498A (en) * | 2014-10-23 | 2015-02-18 | 深圳艾瑞斯通技术有限公司 | Optical fiber vibrating position positioning method, device and system |
| CN104598863A (en) * | 2015-01-15 | 2015-05-06 | 国家电网公司 | Optical cable and fiber core loop display method based on intelligent label |
| CN108322253A (en) * | 2018-04-17 | 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 intelligent link head and its identifying and diagnosing localization method, system |
| CN109217917A (en) * | 2017-06-30 | 2019-01-15 | 中兴通讯股份有限公司 | The location determining method and device of failure optical fiber, storage medium, processor |
| CN109347547A (en) * | 2018-11-26 | 2019-02-15 | 北京航天易联科技发展有限公司 | A kind of communication cable failure geographical location enquiry positioning method |
| CN110460375A (en) * | 2019-08-07 | 2019-11-15 | 高勘(广州)技术有限公司 | A kind of fault points of optical cables position finding and detection method, device and intelligent terminal |
| CN116054936A (en) * | 2022-12-29 | 2023-05-02 | 中国铁建电气化局集团有限公司 | Optical fiber fault real-time monitoring device, monitoring method and device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333417A (en) * | 2014-09-23 | 2015-02-04 | 国网安徽省电力公司阜阳供电公司 | Electric power communication optical cable fault positioning technology |
| CN104359498A (en) * | 2014-10-23 | 2015-02-18 | 深圳艾瑞斯通技术有限公司 | Optical fiber vibrating position positioning method, device and system |
| CN104598863A (en) * | 2015-01-15 | 2015-05-06 | 国家电网公司 | Optical cable and fiber core loop display method based on intelligent label |
| CN109217917A (en) * | 2017-06-30 | 2019-01-15 | 中兴通讯股份有限公司 | The location determining method and device of failure optical fiber, storage medium, processor |
| CN108322253A (en) * | 2018-04-17 | 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 intelligent link head and its identifying and diagnosing localization method, system |
| CN109347547A (en) * | 2018-11-26 | 2019-02-15 | 北京航天易联科技发展有限公司 | A kind of communication cable failure geographical location enquiry positioning method |
| CN110460375A (en) * | 2019-08-07 | 2019-11-15 | 高勘(广州)技术有限公司 | A kind of fault points of optical cables position finding and detection method, device and intelligent terminal |
| CN116054936A (en) * | 2022-12-29 | 2023-05-02 | 中国铁建电气化局集团有限公司 | Optical fiber fault real-time monitoring device, monitoring method and device |
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| CN103812554B (en) | 2016-04-06 |
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