CN107231188B - Method for rapidly identifying optical fiber link breaking point of intelligent station - Google Patents
Method for rapidly identifying optical fiber link breaking point of intelligent station Download PDFInfo
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- CN107231188B CN107231188B CN201710618773.XA CN201710618773A CN107231188B CN 107231188 B CN107231188 B CN 107231188B CN 201710618773 A CN201710618773 A CN 201710618773A CN 107231188 B CN107231188 B CN 107231188B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 104
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000005259 measurement Methods 0.000 claims description 15
- 230000000007 visual effect Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 241000272814 Anser sp. Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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- 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
- H04B10/03—Arrangements for fault recovery
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- 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
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0791—Fault location on the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0677—Localisation of faults
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
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Abstract
The invention discloses a method for quickly identifying an optical fiber link breaking point of an intelligent station, which comprises the following steps of 1, constructing an optical fiber link node database taking an optical fiber loop number as a connection relation, and drawing an optical fiber loop network topological graph of the intelligent station; step 2, when the optical fiber is broken, inputting index information corresponding to the broken optical fiber, and calling a database; and 3, performing network topology scanning according to the optical fiber loop number corresponding to the index information, and analyzing all link nodes of the optical fiber broken link. The method can quickly and accurately position the optical fiber broken link point.
Description
Technical Field
The invention relates to a method for quickly identifying an optical fiber broken link point of an intelligent station.
Background
In recent years, the power grid is rapidly developed, and the number of intelligent substations is increasing year by year. The intelligence becomes to use optic fibre in a large number and replace original electric secondary circuit. However, the intelligent substation has numerous optical fibers, the optical fiber link is complex, and the corresponding relation of the broken link signal is unclear. Once the optical fiber is broken, a large number of abnormal signals are sent to a background monitor and dispatch. When secondary personnel deal with the defect of optical fiber broken link, the searching is difficult, the positioning is inaccurate, and the time is wasted. If the judgment is wrong, other faults can be caused by mistakenly pulling out the normally operated optical fiber link. The safe operation of the intelligent substation is seriously influenced under the condition of low processing efficiency of the optical fiber chain breakage defect.
Currently, most domestic mainstream network analyzer manufacturers draw data flow walking graphs based on network messages and cannot correspond to actual on-site optical fiber links. The background monitor optical fiber chain breakage diagram only displays devices at the transmitting end and the receiving end of the optical fiber link, cannot embody the structure and the process of the whole optical fiber link, and cannot quickly position an optical fiber chain breakage point. The optical fiber broken link fault cannot be eliminated in a short time through a background monitoring picture, and the hidden danger of equipment is eliminated.
Disclosure of Invention
The invention provides a method for quickly identifying an optical fiber broken link point of an intelligent station, which overcomes the defects of the prior art in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method for quickly identifying an optical fiber broken link point of an intelligent station comprises the following steps,
step 1, constructing an optical fiber link node database taking an optical fiber loop number as a connection relation, and drawing an optical fiber loop network topological graph of an intelligent station;
step 2, when the optical fiber is broken, inputting index information corresponding to the broken optical fiber, and calling a database;
and 3, performing network topology scanning according to the optical fiber loop number corresponding to the index information, and analyzing all link nodes of the optical fiber broken link.
In one embodiment: the specific process of the step 1 is as follows: establishing an optical fiber link node database according to an optical fiber loop table provided in an intelligent station design drawing; the database establishes a logical relationship by five elements of 'station, scheduling point table, device, loop and link'; the database respectively draws an intelligent station optical fiber loop network topological graph by taking the number of an optical fiber link initial port, the number of a device, a screen cabinet where the device is located, the number of an ODF port, the number of an optical cable or a tail cable of intermediate connection, the number of the opposite ODF port, the screen cabinet where the device is located, the number of the device and the number of the optical fiber link port as logical nodes and taking the optical fiber loop number as a connection relation.
In one embodiment: in the step 2, the index information includes an optical fiber link disconnection point number of the optical fiber link, an optical fiber loop number, or an APPID obtained by packet capturing of the optical fiber link.
In one embodiment: the network topology in the step 3 is presented by a visual interface, so that all link nodes of the optical fiber broken link can be conveniently scanned and searched; the method specifically comprises the following steps:
step 31, associating the index information with the optical fiber loop number to which the index information belongs;
step 32, acquiring a visual physical model of the optical fiber link corresponding to the index information through topological relation scanning;
and step 33, searching for fiber broken link fault points, and checking one by one until the broken link point is found.
In one embodiment: the device comprises a merging unit, an intelligent terminal, a protection device and a measurement and control device.
In one embodiment: the merging unit comprises a bus merging unit and a local interval merging unit; the intelligent terminal comprises a bus intelligent terminal, a bus-coupled intelligent terminal and a local interval intelligent terminal; the protection device comprises a bus protection device and each interval protection device; the measurement and control device comprises the interval measurement and control device and a public measurement and control device.
Compared with the background technology, the technical scheme has the following advantages:
the invention provides a method for rapidly identifying an optical fiber broken link point of an intelligent station, which visually displays the transmission process of an optical fiber link and visually positions the optical fiber broken link node through index information corresponding to the optical fiber broken link, thereby rapidly eliminating faults. The method is simple to operate, clear in interface, convenient and fast in searching speed, capable of accurately positioning the optical fiber link breaking point, capable of accessing a scheduling information system and providing basis for on-line decision of the intelligent substation.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a flowchart illustrating a fiber breakage identification process according to this embodiment.
Detailed Description
Referring to fig. 1, the method for identifying the optical fiber broken link of the intelligent substation includes the following steps,
step 1, constructing an optical fiber link node database taking an optical fiber loop number as a connection relation, and drawing an optical fiber loop network topological graph of an intelligent station;
step 2, when the optical fiber is broken, inputting index information corresponding to the broken optical fiber, and calling a database;
and 3, performing network topology scanning according to the optical fiber loop number corresponding to the index information, and analyzing all link nodes of the optical fiber broken link.
The specific process of the step 1 is as follows: establishing an optical fiber link node database according to an optical fiber loop table provided in an intelligent station design drawing; the database establishes a logical relationship by five elements of 'station, scheduling point table, device, loop and link'; the database respectively draws an intelligent station optical fiber loop network topological graph by taking the number of an optical fiber link initial port, the number of a device, a screen cabinet where the device is located, the number of an ODF port, the number of an optical cable or a tail cable of intermediate connection, the number of the opposite ODF port, the screen cabinet where the device is located, the number of the device and the number of the optical fiber link port as logical nodes and taking the optical fiber loop number as a connection relation. The optical fiber link topological graph with the optical fiber loop number as the reference completely presents the whole transmission process of the link information and each node flowing through, and the visualization of any optical fiber link structure can be realized by inquiring the optical fiber loop number.
The device comprises a merging unit, an intelligent terminal, a protection device and a measurement and control device. The merging unit comprises a bus merging unit and a local interval merging unit; the intelligent terminal comprises a bus intelligent terminal, a bus-coupled intelligent terminal and a local interval intelligent terminal; the protection device comprises a bus protection device and each interval protection device; the measurement and control device comprises the interval measurement and control device and a public measurement and control device.
The index information includes the number of the broken optical fiber link point of the optical fiber link, the loop number, the APPID obtained by packet capturing of the optical fiber link, and the like, and the index information is not limited to the three kinds of information and can form the information of the mapping relation with the data in the database. Each optical fiber link is associated with a plurality of index information, so that a multi-dimensional query mode is designed according to the associated information: interval, device, link number, remote signaling point number, signal, interval number. The optical fiber link database can be quickly called by inputting any keyword;
in the intelligent station, the optical fiber broken link alarm mechanism judges the device which can not receive the data information and sends an optical fiber broken link signal. The device can be divided into two types of chain breaking signals, one type is that a merging unit and an intelligent terminal send the chain breaking signals to a measurement and control device through GOOSE messages, and the interval measurement and control device gives an alarm; the other is a broken link signal of the protection device and the measurement and control device, and the broken link signal is directly sent to the telemechanical device through the station control layer network.
The network topology in the step 3 is presented by a visual interface, so that all link nodes of the optical fiber broken link can be conveniently scanned and searched; the method specifically comprises the following steps:
step 31, associating the index information with the optical fiber loop number to which the index information belongs;
step 32, acquiring a visual physical model of the optical fiber link corresponding to the index information through topological relation scanning;
and step 33, searching for fiber broken link fault points, and checking one by one until the broken link point is found.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.
Claims (5)
1. A method for rapidly identifying an optical fiber broken link point of an intelligent station is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
step 1, constructing an optical fiber link node database taking an optical fiber loop number as a connection relation, and drawing an optical fiber loop network topological graph of an intelligent station;
step 2, when the optical fiber is broken, inputting index information corresponding to the broken optical fiber, and calling a database;
step 3, according to the optical fiber loop number corresponding to the index information, network topology scanning is carried out, and all link nodes of the optical fiber broken link are analyzed;
establishing an optical fiber link node database according to an optical fiber loop table provided in an intelligent station design drawing; the database establishes a logical relationship by five elements of 'station, scheduling point table, device, loop and link'; the database respectively draws an intelligent station optical fiber loop network topological graph by taking the number of an optical fiber link initial port, the number of a device, a screen cabinet where the device is located, the number of an ODF port, the number of an optical cable or a tail cable of intermediate connection, the number of the opposite ODF port, the screen cabinet where the device is located, the number of the device and the number of the optical fiber link port as logical nodes and taking the optical fiber loop number as a connection relation.
2. The method for rapidly identifying the optical fiber link breaking point of the intelligent station as claimed in claim 1, wherein the method comprises the following steps: in the step 2, the index information includes an optical fiber link disconnection point number of the optical fiber link, an optical fiber loop number, or an APPID obtained by packet capturing of the optical fiber link.
3. The method for rapidly identifying the optical fiber link breaking point of the intelligent station as claimed in claim 1, wherein the method comprises the following steps: the network topology in the step 3 is presented by a visual interface, so that all link nodes of the optical fiber broken link can be conveniently scanned and searched; the method specifically comprises the following steps:
step 31, associating the index information with the optical fiber loop number to which the index information belongs;
step 32, acquiring a visual physical model of the optical fiber link corresponding to the index information through topological relation scanning;
and step 33, searching for fiber broken link fault points, and checking one by one until the broken link point is found.
4. The method for rapidly identifying the optical fiber link breaking point of the intelligent station as claimed in claim 2, wherein the method comprises the following steps: the device comprises a merging unit, an intelligent terminal, a protection device and a measurement and control device.
5. The method for rapidly identifying the optical fiber link breaking point of the intelligent station as claimed in claim 4, wherein the method comprises the following steps: the merging unit comprises a bus merging unit and a local interval merging unit; the intelligent terminal comprises a bus intelligent terminal, a bus-coupled intelligent terminal and a local interval intelligent terminal; the protection device comprises a bus protection device and each interval protection device; the measurement and control device comprises the interval measurement and control device and a public measurement and control device.
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| CN110661569B (en) * | 2018-06-28 | 2022-08-02 | 中兴通讯股份有限公司 | Method, device and storage medium for optical fiber fault location |
| CN112740576B (en) * | 2018-08-22 | 2022-10-14 | 南京续点通信科技有限公司 | Intelligent maintenance system for optical fiber network |
| CN110474675B (en) * | 2019-08-07 | 2021-06-01 | 高勘(广州)技术有限公司 | Optical cable real-time monitoring method |
| CN111049692A (en) * | 2019-12-26 | 2020-04-21 | 中国南方电网有限责任公司超高压输电公司大理局 | System and method for positioning inter-station communication fault |
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| FR2922657B1 (en) * | 2007-10-23 | 2010-02-12 | Draka Comteq France | MULTIMODE FIBER. |
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| CN104092492A (en) * | 2014-06-30 | 2014-10-08 | 国家电网公司 | Relay protection fiber channel intelligent monitoring system |
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