CN206161144U - Based on time division multiplex distributing type power transmission line OPGW breeze vibration on -line monitoring system - Google Patents
Based on time division multiplex distributing type power transmission line OPGW breeze vibration on -line monitoring system Download PDFInfo
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- CN206161144U CN206161144U CN201621158937.2U CN201621158937U CN206161144U CN 206161144 U CN206161144 U CN 206161144U CN 201621158937 U CN201621158937 U CN 201621158937U CN 206161144 U CN206161144 U CN 206161144U
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- photoswitch
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- 230000003287 optical effect Effects 0.000 claims abstract description 39
- 230000007306 turnover Effects 0.000 claims abstract description 10
- 239000013307 optical fiber Substances 0.000 claims description 26
- 238000004891 communication Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 abstract description 3
- 238000012806 monitoring device Methods 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
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- 238000001514 detection method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
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Abstract
The utility model relates to a based on time division multiplex distributing type transmission line OPGW breeze vibration on -line monitoring system, include: all power transmission line OPGW of business turn over transformer substation, photoswitch, the sensitive optical time domain reflectometer of phase place, industrial computer, all power transmission line OPGW's of business turn over transformer substation the idle optic fibre of a core is continuous with the output of photoswitch respectively, and the input of photoswitch links to each other with the sensitive optical time domain reflectometer of phase place, and the phase place sensitive optical time domain reflectometer link to each other with industrial computer passing signal line, and photoswitch, phase place sensitivity optical time domain reflectometer, industrial computer are installed in the rack of transformer substation's computer lab. The utility model discloses regard as the sensor with the optic fibre in the OPGW, do not need to install on line volume external sensor on the road, can realize all business turn over transmission line OPGW breeze vibration state distribution's of transformer substation real -time supervision. Have the very low kilometer monitoring cost of unit, and thoroughly solve the narrow and stable problem of communication, monitoring surface that traditional monitoring devices exists, the new orientation of having opened up electric power monitoring technology under the adverse weather condition.
Description
Technical field
This utility model is related to a kind of electric power monitoring technology, especially a kind of to be based on time-multiplexed distributed power transmission line OPGW
Aeolian vibration on-line monitoring system.
Background technology
The English of OPGW is Optical Fiber Composite Overhead Ground Wire,
It is abbreviated as OPGW, commonly referred to as OPGW optical cables.This version has ground wire and the dual-use function that communicates concurrently, built on stilts in high voltage power transmission
Commonly use in circuit.As communications optical cable, OPGW has that reliability is high, anti-natural calamity ability is strong, be difficult by artificial destruction,
The low advantage of long service life, operation and maintenance cost.But, in the design service life time limit of OPGW, once ground wire function
Or optical fiber communication function is lost, and not only terminates service life, it is often more important that can cause huge loss of outage and impact, also
The safe and stable operation of entail dangers to electrical network.
As OPGW is chronically under open field, it is easy to by natural conditions such as wind, rain, ice and snow, thunders and lightnings
With the impact of other external conditions, various accidents are susceptible to.Wherein, the accident that wind shake causes is most.Under wind action, lead
The line moment is in vibrational state, and according to frequency and the difference of amplitude, wire aeolian vibration occurs the most frequently, therefore, find out phase
The vibration protection answered has caused the most attention of domestic and international scientific worker.
Destruction of the aeolian vibration to transmission line of electricity has certain disguise, because aeolian vibration feature is the little amplitude of low frequency
Vibration, on high voltage overhead lines produced by this vibration, be generally with the naked eye not easily seen, it unlike electric wire wave when
It is directly perceived like that.The circuit fatigue accident such as stranded caused by aeolian vibration a, it is desirable to have accumulated time and process.It is generally found that
Harm is stranded in generation fatigue or antivibrator is damaged after coming off, and at this moment circuit harm is heavier.And lot of examples and examination
Test and show, it is tired stranded that aeolian vibration produces OPGW, sometimes from the beginning of the internal layer of OPGW, can't find from wire appearance.
Aeolian vibration monitoring method traditional at present is to choose important point in OPGW circuits to install aeolian vibration prison
Survey device to be monitored, each point transmits data to user side using GPRS communication modes, in the wild adverse weather condition
The communication of lower presence, monitoring surface be narrow and stability problem.
Utility model content
The purpose of this utility model is to provide a kind of one kind reliable, that monitoring is wide and is based on the distributed transmission of electricity of time division multiplex
Circuit OPGW aeolian vibration on-line monitoring systems.
It is that, up to above-mentioned purpose, the technical solution of the utility model is：
Based on time division multiplex distributed power transmission line OPGW aeolian vibration on-line monitoring systems, including：Turnover transformer station
All power transmission line OPGW, photoswitch, phase sensitive optical time domain reflectometer, industrial computer, it is characterised in that：Turnover transformer station owns
The one core free time optical fiber of power transmission line OPGW is connected with the outfan of photoswitch respectively, when the input of photoswitch is with phase sensitive light
Domain reflectometer is connected, and phase sensitive optical time domain reflectometer is connected by holding wire with industrial computer, photoswitch, phase sensitive optical time domain
Reflectometer, industrial computer are arranged in the rack of transformer station's machine room.
Described phase sensitive optical time domain reflectometer automatic or manual can control photoswitch, and at the appointed time section connects specified
OPGW circuit optical fibers realize that time division multiplex aeolian vibration is detected.
The industrial computer passes through netting twine and USB line is connected with phase sensitive optical time domain reflectometer, during receiving phase sensitivity light
The data that domain reflectometer sends, and Algorithm Analysis are carried out to data, when certain circuit somewhere aeolian vibration suprathreshold level, industry control
Machine starts alarm.
By the use of the core free time optical fiber in power transmission line OPGW as sensor probe, using phase sensitive optical time domain reflectometer
Carrying out phase-detection and optical time domain reflection principle carries out vibration detection；The control photoswitch timesharing of phase sensitive optical time domain reflectometer is suitable
Sequence measures the amplitude of optical fiber in every power transmission line OPGW and frequency distribution；Industrial computer is received by phase sensitive optical time domain reflectometer
The vibration width and frequency distribution data of optical fiber in every power transmission line OPGW, industrial computer is calculated by existing algorithm, and judges mild wind
Vibration whether superthreshold, sends alarm if superthreshold.
This utility model simple structure, monitoring device are arranged on transformer station's machine room, using all transmissions of electricity of turnover transformer station
In line OPGW a core free time optical fiber as sensor, when OPGW has aeolian vibration, the optical fiber in OPGW with aeolian vibration,
By phase sensitive optical time domain reflectometer control photoswitch timesharing switch and carry out in all power transmission line OPGW the amplitude of optical fiber and
Frequency distribution data is gathered, and industrial computer receives the amplitude and frequency distribution data of optical fiber in every power transmission line OPGW, after pass through
Existing algorithm is calculated, and judges aeolian vibration whether superthreshold, and alarm is sent if superthreshold.
This utility model is using the optical fiber in power transmission line OPGW as sensor, it is not necessary to install additional sensor on the line
Device, you can realize the real-time monitoring of the OPGW aeolian vibrations state distribution of all turnover transmission line of electricity all fronts of transformer station.With non-
Often low unit kilometer monitoring cost, and thoroughly solve communication, monitoring that traditional monitoring device is present under adverse weather condition
Face is narrow and stability problem, opens the new direction of electric power monitoring technology.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
This utility model is further illustrated with example below in conjunction with the accompanying drawings.
As shown in figure 1, this utility model includes：All power transmission line OPGW3 of turnover transformer station, photoswitch 2, phase sensitive
Optical time domain reflectometer, industrial computer, it is characterised in that：The one core free time optical fiber 1 of all power transmission line OPGW3 of turnover transformer station is distinguished
It is connected with the outfan of photoswitch 2, the input of photoswitch 2 is connected with phase sensitive optical time domain reflectometer, during phase sensitive light
Domain reflectometer is connected by holding wire with industrial computer, and photoswitch 2, phase sensitive optical time domain reflectometer, industrial computer are arranged on power transformation
Stand in the rack of machine room.This utility model photoswitch 2, phase sensitive optical time domain reflectometer, industrial computer are existing structure.It is all
The equal framves of power transmission line OPGW3 are on steel tower 4.
Described phase sensitive optical time domain reflectometer automatic or manual can control photoswitch, and at the appointed time section connects specified
OPGW circuit optical fibers realize that time division multiplex aeolian vibration is detected.
The industrial computer passes through netting twine and USB line is connected with phase sensitive optical time domain reflectometer, during receiving phase sensitivity light
The data that domain reflectometer sends, and Algorithm Analysis are carried out to data, when certain circuit somewhere aeolian vibration suprathreshold level, industry control
Machine starts alarm.
By the use of the core free time optical fiber in power transmission line OPGW as sensor probe, using phase sensitive optical time domain reflectometer
Carrying out phase-detection and optical time domain reflection principle carries out vibration detection；The control photoswitch timesharing of phase sensitive optical time domain reflectometer is suitable
Sequence measures the amplitude of optical fiber in every power transmission line OPGW and frequency distribution；Industrial computer is received by phase sensitive optical time domain reflectometer
The vibration width and frequency distribution data of optical fiber in every power transmission line OPGW, industrial computer is calculated by existing algorithm, and judges mild wind
Vibration whether superthreshold, sends alarm if superthreshold.
Generally, the transmission overhead line at least more than 2 of transformer station is passed in and out, on every transmission overhead line tower top
It is equipped with OPGW, at least more than tens kilometers of length, each OPGW is incorporated in communications equipment room optical fiber distributing screen.Photoswitch, phase
The sensitive optical time domain reflectometer in position and industrial computer are mounted in the screen cabinet of communications equipment room, if photoswitch have main line optical fiber output passage and
1 light input channel, is had control device, is given an order by optical switch in photoswitch, the input of photoswitch is defeated with what is specified
Go out and hold light path to be switched on.If it is empty that main line delivery outlet is connected to the core in each bar circuit in optical fiber distributing screen by optical patchcord
Not busy optical fiber.The optic fibre input end and control signal of photoswitch connects phase sensitive optical time domain reflectometer, phase sensitive optical time domain reflection
Instrument timing controlled photoswitch connects the OPGW optical fiber of given line, and the vibration distribution data acquisition of whole optical fiber is carried out after connection,
And send the data to industrial computer, after the completion of timing controlled photoswitch connect the OPGW optical fiber of next given line and go forward side by side line number
According to collection and data is activation, every OPGW repeating query data acquisition, go round and begin again, run without interruption within 24 hours.Industrial computer passes through net
Line and USB line are connected with phase sensitive optical time domain reflectometer and receive the data of phase sensitive optical time domain reflectometer transmission, industrial computer
And Algorithm Analysis are carried out to data, when circuit somewhere aeolian vibration suprathreshold level, industrial computer starts alarm.
Claims (3)
1. time division multiplex distributed power transmission line OPGW aeolian vibration on-line monitoring systems are based on, including：The institute of turnover transformer station
There are power transmission line OPGW, photoswitch, phase sensitive optical time domain reflectometer, industrial computer, it is characterised in that：Pass in and out all defeated of transformer station
The one core free time optical fiber of electric wire OPGW is connected with the outfan of photoswitch respectively, input and the phase sensitive optical time domain of photoswitch
Reflectometer is connected, and phase sensitive optical time domain reflectometer is connected by holding wire with industrial computer, and photoswitch, phase sensitive optical time domain are anti-
Penetrate instrument, industrial computer to be arranged in the rack of transformer station's machine room.
2. according to claim 1 based on time division multiplex distributed power transmission line OPGW aeolian vibration on-line monitoring systems,
It is characterized in that：Described phase sensitive optical time domain reflectometer automatic or manual can control photoswitch, and at the appointed time section connection refers to
Determine OPGW circuit optical fibers and realize that time division multiplex aeolian vibration is detected.
3. according to claim 1 based on time division multiplex distributed power transmission line OPGW aeolian vibration on-line monitoring systems,
It is characterized in that：The industrial computer passes through netting twine and USB line is connected with phase sensitive optical time domain reflectometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621158937.2U CN206161144U (en) | 2016-10-25 | 2016-10-25 | Based on time division multiplex distributing type power transmission line OPGW breeze vibration on -line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621158937.2U CN206161144U (en) | 2016-10-25 | 2016-10-25 | Based on time division multiplex distributing type power transmission line OPGW breeze vibration on -line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161144U true CN206161144U (en) | 2017-05-10 |
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ID=58654450
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621158937.2U Expired - Fee Related CN206161144U (en) | 2016-10-25 | 2016-10-25 | Based on time division multiplex distributing type power transmission line OPGW breeze vibration on -line monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161144U (en) |
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2016
- 2016-10-25 CN CN201621158937.2U patent/CN206161144U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20181025 |