CN207197659U - Submarine cable vibration monitoring device - Google Patents

Submarine cable vibration monitoring device Download PDF

Info

Publication number
CN207197659U
CN207197659U CN201721059663.6U CN201721059663U CN207197659U CN 207197659 U CN207197659 U CN 207197659U CN 201721059663 U CN201721059663 U CN 201721059663U CN 207197659 U CN207197659 U CN 207197659U
Authority
CN
China
Prior art keywords
submarine cable
vibration
vibration monitoring
cable
monitoring
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.)
Active
Application number
CN201721059663.6U
Other languages
Chinese (zh)
Inventor
吴文庚
郑小莉
林雪倩
王力群
杨帆
吴飞龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Fuzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Fuzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Fujian Electric Power Co Ltd, Fuzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201721059663.6U priority Critical patent/CN207197659U/en
Application granted granted Critical
Publication of CN207197659U publication Critical patent/CN207197659U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

The utility model discloses a kind of submarine cable vibration monitoring device, include vibration detection fore device, submarine cable vibration monitoring processing center and user terminal, described vibration detection fore device is connected with the slack of more than one in the submarine cable composite fiber extracted as vibration monitoring distributed sensor, and described vibration detection fore device communicates respectively with submarine cable vibration detection processing center and user terminal to be connected.The utility model is directly used as sensor fibre by the use of the slack in the composite cable of seabed, it is act as the effect of vibration monitoring distributed sensor, serve as monitoring information transmission medium again, without laying special sensing and signal transmission fiber, monitoring technology is easy to implement, and reduced investment is quick.

Description

Submarine cable vibration monitoring device
Technical field
A kind of vibration monitoring device is the utility model is related to, particularly a kind of submarine cable vibration monitoring device.
Background technology
Submarine Cable Laying running environment is complicated, and shippping traffic is more on seaway, and the external force such as ship anchor evil accident is destroyed Accident happens occasionally.Existing artificial value defence formula uninterruptedly can not be monitored for 24 hours to submarine cable state, vibration prison The mode such as surveying, practicality, validity are poor to preventing submarine cable external force from destroying, can not adapt under complicated marine environment to seabed The actual demand of cable security protection.
Utility model content
The purpose of this utility model is in place of overcome the deficiencies in the prior art, and provides a kind of service life length, safeguards Expense is low, and detection range is wide, monitors distance, high sensitivity and the high submarine cable vibration monitoring device of measuring accuracy.
A kind of submarine cable vibration monitoring device, include vibration detection fore device, the processing of submarine cable vibration monitoring Center and user terminal, described vibration detection fore device and the redundancy of more than one in the submarine cable composite fiber extracted Optical fiber is connected as vibration monitoring distributed sensor, and described vibration detection fore device is handled with submarine cable vibration detection Center and user terminal communicate connection respectively, and described submarine cable vibration detection processing center includes server, ship identification System AIS, vibration monitoring pattern-recognition, extra large cable route corridor figure, warning system, database and video monitoring:Vibration detection mould Formula identification is connected with vibration monitoring fore device receives submarine cable strain variation information, ship identification scheme AIS and extra large cable road Vibration monitoring pattern-recognition, ship identification scheme AIS, vibration monitoring pattern-recognition, extra large cable route are sent information to by corridor figure Corridor figure, warning system, database and video monitoring also communicate with server connect respectively:Server connects with user's end communication Connect.
Vibration detection pattern-recognition:The submarine cable vibration information that vibration monitoring fore device obtains is received, is known with ship The real time information and data that other system AIS and extra large cable route corridor figure are sent are compared, to submarine cable vibration information Classification processing is carried out, when identification judges that submarine cable vibration is due to that shippping traffic and ship external force of casting anchor in violation of rules and regulations are acted on and caused, And when may endanger the generation of submarine cable running status, sent out respectively to alarm and video monitoring apparatus by vibration monitor system Go out trigger signal, carry out coordinated signals, early warning expulsion is carried out to possible anchor evil Offending Ship and accident Claims Resolution is collected evidence;
Ship automatic identification system AIS:By the related real time information of each profit of the submarine cable marine site shippping traffic of reception, send To vibration mode recognition unit, the submarine cable vibration information for merging collection carries out com-parison and analysis, judges system subsequent treatment stream Journey;
Extra large cable route corridor figure is to route as-built drawing longitude and latitude, topographic profile gradient curve data information according to submarine cable The Submarine Cable Laying route corridor figure of drafting, is sent to vibration mode recognition unit, with dividing by the data message for routeing corridor figure The submarine cable vibration information of cloth sensor fibre collection is compared, and quickly carries out judgement positioning to submarine cable oscillation point;
Warning device:According to trigger signal is received, submarine cable monitoring system warning device is to suspicious ship and violation The various invasion submarine cable events such as cast anchor send voice warning and sound and light alarm expels signal;
Video monitoring:According to trigger signal is received, the round-the-clock video monitoring dress near submarine cable debarkation point of linking Put, real-time tracking shoots suspicious vibration Offending Ship, and evidence is provided for Claims Resolution afterwards.
Submarine cable vibration monitoring processing center carries out long-distance on-line, seabed with user terminal by electric power dedicated communications network Cable monitoring system duty management personnel and submarine cable operation maintenance management personnel call seabed electricity by associated rights certification The real time information of cable running status vibration monitoring.
The sensor fibre that submarine cable composite fiber extracting unit is extracted, access submarine cable vibration detection system front end Device, as submarine cable distribution vibration detecting sensor, while as the transmission medium of vibration monitoring information.It will be gathered That arrives vibrates Weak Information along submarine cable, is sent to detection fore device, signal of the described detection fore device to reception The preposition enhanced processing of row, and optical electrical conversion and coding are carried out, interference free performance is improved, is sent through electric power private communication transmission network To the further identifying processing of submarine cable vibration monitoring processing unit.
When the ship that marine site where submarine cable passes through produces vibration or ship anchor hangs effect of vibration in submarine cable, The vibration of submarine cable can cause optical fiber to deform upon, and the refractive index for causing fiber lengths and optical fiber is changed, and is entered And cause the phase place change of optical fiber, handled through optical system, faint phase place change is converted into light intensity change, through opto-electronic conversion After signal transacting, data analysis is carried out into computer.System judges vibration/vibration extra large cable cable according to the result of analysis Whether jeopardize submarine cable safe operation, when more than setting value, send early warning, alarm signal in good time, and confirm vibration fault Point, real time information is provided for subsequent treatment.
The method that vibration detection fore device is connected with the slack of more than one in submarine cable composite fiber is: Optical fiber distribution box ODF1 is respectively set in submarine cable debarkation point both sides, submarine cable composite fiber is accessed ODF's in order One unit;By land optical fiber power transmission line overhead ground wire optical fiber(OPGW)ODF other unit is accessed in order, will be led to The connection optical fiber of computer room accesses ODF other unit in order where vibration monitoring device.
Situation according to the actual requirements, submarine cable composite fiber jumper connection is formed into communication network to the corresponding optical fiber of OPGW units Network transmission channel;Submarine cable composite fiber jumper connection is vibrated to vibration monitoring device connection fiber unit as submarine cable and supervised Survey distributed sensing fiber.
Receiving the submarine cable vibration information that vibration monitoring fore device obtains is specially:The vibration of submarine cable causes light Fine phase place change, the change of fiber phase, is handled through optical system, and faint phase place change is converted into light intensity change, warp After opto-electronic conversion and signal transacting, data analysis is carried out into computer.
In summary, the utility model following advantage compared with prior art:
The utility model carries out distributed vibration monitoring, tool to submarine cable using photoelectric composite submarine cable composite fiber There is following outstanding advantage:
1)Sensor fibre plyability:Vibration monitoring sensor fibre is compounded in submarine cable(Namely directly utilize seabed Slack in composite cable is as sensor fibre), it is act as the effect of vibration monitoring distributed sensor, fill again When monitoring information transmission medium, without laying special sensing and signal transmission fiber, monitoring technology is easy to implement, and reduced investment is shown in Effect is fast;
2)All -fiber:Vibration detecting and transmission are all optical fiber, and electromagnetism interference is strong, can resist high voltage and in electric current Impact;Optical fiber is passive medium, it is not necessary to is powered;
3)It is corrosion-resistant:Vibration monitoring sensor fibre is not influenceed by seawater corrosion etc., can be used for a long time in marine environment;
4)Continuity:Each point of optical fiber is sensor, whole continuous monitoring submarine cable vibrational state, is not stayed dead Angle;
5)Real-time:Can be with 24 hours on line real-time monitorings.
Brief description of the drawings
Fig. 1 is strum monitoring system composition frame chart in bottom of the present utility model.
Fig. 2 is that submarine cable vibration monitoring device optical fiber extracts schematic diagram.
Embodiment
The utility model is described in more detail with reference to embodiment.
Embodiment 1
A kind of submarine cable vibration monitoring device, include vibration detection fore device, the processing of submarine cable vibration monitoring Center and user terminal, described vibration detection fore device and the redundancy of more than one in the submarine cable composite fiber extracted Optical fiber is connected as vibration monitoring distributed sensor, and described vibration detection fore device is handled with submarine cable vibration detection Center and user terminal communicate connection respectively, and described submarine cable vibration detection processing center includes server, ship identification System AIS, vibration monitoring pattern-recognition, extra large cable route corridor figure, warning system, database and video monitoring:Vibration detection mould Formula identification is connected with vibration monitoring fore device receives submarine cable strain variation information, ship identification scheme AIS and extra large cable road Vibration monitoring pattern-recognition, ship identification scheme AIS, vibration monitoring pattern-recognition, extra large cable route are sent information to by corridor figure Corridor figure, warning system, database and video monitoring also communicate with server connect respectively:Server connects with user's end communication Connect.
Vibration detection pattern-recognition:The submarine cable vibration information that vibration monitoring fore device obtains is received, is known with ship The real time information and data that other system AIS and extra large cable route corridor figure are sent are compared, to submarine cable vibration information Classification processing is carried out, when identification judges that submarine cable vibration is due to that shippping traffic and ship external force of casting anchor in violation of rules and regulations are acted on and caused, And when may endanger the generation of submarine cable running status, sent out respectively to alarm and video monitoring apparatus by vibration monitor system Go out trigger signal, carry out coordinated signals, early warning expulsion is carried out to possible anchor evil Offending Ship and accident Claims Resolution is collected evidence;
Ship automatic identification system AIS:By the related real time information of each profit of the submarine cable marine site shippping traffic of reception, send To vibration mode recognition unit, the submarine cable vibration information for merging collection carries out com-parison and analysis, judges system subsequent treatment stream Journey;
Extra large cable route corridor figure is to route as-built drawing longitude and latitude, topographic profile gradient curve data information according to submarine cable The Submarine Cable Laying route corridor figure of drafting, is sent to vibration mode recognition unit, with dividing by the data message for routeing corridor figure The submarine cable vibration information of cloth sensor fibre collection is compared, and quickly carries out judgement positioning to submarine cable oscillation point;
Warning device:According to trigger signal is received, submarine cable monitoring system warning device is to suspicious ship and violation The various invasion submarine cable events such as cast anchor send voice warning and sound and light alarm expels signal;
Video monitoring:According to trigger signal is received, the round-the-clock video monitoring dress near submarine cable debarkation point of linking Put, real-time tracking shoots suspicious vibration Offending Ship, and evidence is provided for Claims Resolution afterwards.
Submarine cable vibration monitoring processing center carries out long-distance on-line, seabed with user terminal by electric power dedicated communications network Cable monitoring system duty management personnel and submarine cable operation maintenance management personnel call seabed electricity by associated rights certification The real time information of cable running status vibration monitoring.Described vibration detection fore device is vibration-detecting instrument.
Concrete application is implemented:It is respectively Fuqing Ke Mengang with 110 kilovolts of photoelectric composite submarine cable debarkation points of Nanping Prefecture Exemplified by the knife rest island of Pingtan.
Optical fiber distribution box is respectively set in submarine cable debarkation point first(ODF)1,48 core submarine cable composite fibers are pressed Order accesses ODF one end;By land OPGW optical fiber(Optical fiber power transmission line overhead ground wire), the another of ODF is accessed in order End;According to communication system of power grids networking requirement over strait, by jumper connection short fiber by submarine cable composite fiber and the OPGW optical fiber on land Corresponding switching is carried out, forms communication system of power grids passage over strait, it is ensured that communication system of power grids networking is unimpeded.And untapped extra large cable cable is answered Closing light fibre is retained in debarkation point both sides, and distributed sensing element is monitored as submarine cable.
(Submarine cable construction project original design is that submarine cable composite fiber and land OPGW optical fiber is all direct Welding, form communication system of power grids passage over strait.)
Then in the optical fiber distribution box of submarine cable debarkation point side(ODF)In, extract photoelectric composite submarine cable A, B, C Each 2 core composite fiber in three-phase, is connected with the vibration monitoring fore device in submarine cable vibration monitoring device, composition seabed electricity Cable vibration monitoring distributed sensor.
Submarine cable vibration monitoring sensor and monitoring information transmission actually only need a composite fiber can be with, Nanping Prefecture submarine cable composite fiber is more in this project, bulk redundancy, so each 2 cores that mutually extract are primary, spare, it is convenient to compare Analysis, and improve the reliability of vibration monitoring.
The not described part of the present embodiment is same as the prior art.

Claims (4)

  1. A kind of 1. submarine cable vibration monitoring device, it is characterised in that:Include vibration detection fore device, submarine cable vibration Monitor processing center and user terminal, described vibration detection fore device and one in the submarine cable composite fiber extracted with On slack be connected as vibration monitoring distributed sensor, described vibration detection fore device and submarine cable vibrate Detection process center and user terminal communicate connection respectively, described submarine cable vibration detection processing center include server, Ship identification scheme AIS, vibration monitoring pattern-recognition, extra large cable route corridor figure, warning system, database and video monitoring:Shake Dynamic detection pattern identification is connected with vibration monitoring fore device receives submarine cable strain variation information, ship identification scheme AIS Send information to vibration monitoring pattern-recognition with extra large cable route corridor figure, ship identification scheme AIS, vibration monitoring pattern-recognition, Extra large cable route corridor figure, warning system, database and video monitoring also communicate with server connect respectively:Server and user terminal Communication connection.
  2. 2. submarine cable vibration monitoring device according to claim 1, it is characterised in that:In submarine cable debarkation point both sides Respectively there is optical fiber distribution box ODF1, submarine cable composite fiber is connected with an ODF unit in order, the transmission of electricity of land optical fiber Fixed track usage plan ground wire optical fiber OPGW is connected with ODF other unit in order, the connection towards computer room where vibration monitoring device Optical fiber is connected with ODF other unit in order.
  3. 3. submarine cable vibration monitoring device according to claim 1, it is characterised in that:Communication network transmission passage is by sea Bottom cable composite fiber jumper connection is to the corresponding optical fiber composition of OPGW units, and submarine cable vibration monitoring distributed sensing fiber is by sea Bottom cable composite fiber jumper connection is formed to vibration monitoring device connection fiber unit.
  4. 4. the submarine cable vibration monitoring device according to Claims 2 or 3, it is characterised in that:Receive vibration monitoring front end Device obtain submarine cable vibration information be specially:The vibration of submarine cable causes the phase place change of optical fiber, fiber phase Change, is handled through optical system, and faint phase place change is converted into light intensity change, after opto-electronic conversion and signal transacting, entered Enter computer and carry out data analysis.
CN201721059663.6U 2017-08-23 2017-08-23 Submarine cable vibration monitoring device Active CN207197659U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721059663.6U CN207197659U (en) 2017-08-23 2017-08-23 Submarine cable vibration monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721059663.6U CN207197659U (en) 2017-08-23 2017-08-23 Submarine cable vibration monitoring device

Publications (1)

Publication Number Publication Date
CN207197659U true CN207197659U (en) 2018-04-06

Family

ID=61794585

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721059663.6U Active CN207197659U (en) 2017-08-23 2017-08-23 Submarine cable vibration monitoring device

Country Status (1)

Country Link
CN (1) CN207197659U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112133130A (en) * 2020-09-23 2020-12-25 苏州光格设备有限公司 Method for monitoring whole anchoring process of submarine cable
WO2022059322A1 (en) * 2020-09-17 2022-03-24 日本電気株式会社 Water area monitoring device, water area monitoring system, water area monitoring method, and recording medium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022059322A1 (en) * 2020-09-17 2022-03-24 日本電気株式会社 Water area monitoring device, water area monitoring system, water area monitoring method, and recording medium
JP7513106B2 (en) 2020-09-17 2024-07-09 日本電気株式会社 Water area monitoring device and water area monitoring method
CN112133130A (en) * 2020-09-23 2020-12-25 苏州光格设备有限公司 Method for monitoring whole anchoring process of submarine cable
CN112133130B (en) * 2020-09-23 2021-12-17 苏州光格科技股份有限公司 Method for monitoring whole anchoring process of submarine cable

Similar Documents

Publication Publication Date Title
CN107328465A (en) Submarine cable vibration monitor system
CN103134432A (en) Bridge displacement monitoring system based on optical fiber sensors
CN107741203A (en) A kind of submarine cable strain monitoring system
US20230029221A1 (en) Galloping monitoring of overhead transmission lines using distributed fiber optic sensing
CN115096373A (en) Bridge engineering health detection system based on sensor
CN103323157A (en) Dynamic monitoring method and device of stress sensitization fiber bragg grating of locking rods of railway turnout switch machine
CN102354433A (en) Railway side slope crag rockfall monitoring and warning system based on fiber grating sensing technology
CN103090825A (en) Compatible railroad bridge condition monitoring system based on Beidou satellite
CN103824406A (en) Optical fiber sensing-based tunnel cable invasive detection method and system
CN103780883A (en) All-fiber perimeter security monitoring equipment capable of being in linkage with video
US20230096509A1 (en) Non-Blind Area Real-Time Monitoring and Alarming System for Accident on Freeway
CN207197659U (en) Submarine cable vibration monitoring device
CN107702818A (en) Submarine cable temperature monitoring system
CN202257858U (en) Railway slope dangerous rock falling monitoring and alarming system based on fiber bragg grating sensing technology
CN107672625A (en) High-speed railway circumference intrusion alarm system
CN114613116B (en) External damage prevention early warning method, device, equipment and storage medium
CN110285762A (en) Contact net dynamic characteristic real-time monitoring system
CN101684891A (en) Stress wave and optical fiber sensing compound pipeline safety early warning system
CN206610396U (en) A kind of fiber grating fence intrusion alarm detecting system
CN108332839A (en) A kind of Subway Vibration on-line monitoring system and method based on optical fiber vibration sensing
CN110601066A (en) Transmission line safety monitoring management system
CN205103956U (en) Electric wire netting pipeline facility safety precaution system
CN201273456Y (en) Stress wave and optical fiber sensing compound pipeline safety early warning system
JP2024514865A (en) Locating hazardous events on utility poles
CN106781152A (en) A kind of fiber grating fence intrusion alarm detecting system and method

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant