CN204964006U - Little wind vibration of transmission line moves on -line monitoring system based on fiber grating - Google Patents
Little wind vibration of transmission line moves on -line monitoring system based on fiber grating Download PDFInfo
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- CN204964006U CN204964006U CN201520726820.9U CN201520726820U CN204964006U CN 204964006 U CN204964006 U CN 204964006U CN 201520726820 U CN201520726820 U CN 201520726820U CN 204964006 U CN204964006 U CN 204964006U
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- fiber grating
- transmission line
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- monitoring system
- displacement sensor
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Abstract
The utility model discloses a little wind vibration of transmission line moves on -line monitoring system based on fiber grating, including surveillance center, monitor terminal, fiber grating analysis appearance, built on stilts optical power grounded waveguide, optic fibre composite insulator and fiber grating displacement sensor, fiber grating displacement sensor set up on the power transmission line, optic fibre composite insulator hang on steel pylons to be connected with fiber grating displacement sensor, fiber grating analysis appearance be connected with monitor terminal. The problem of the little wind vibration dynamic sensor power supply of current transmission line that exists among the prior art unreliable, it is great influenced by on -the -spot natural environment and electromagnetic environment is solved.
Description
Technical field
The utility model belongs to transmission line of electricity power transmission and transforming equipment on-line monitoring field, relates to a kind of transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating.
Background technology
Ultra-high-tension power transmission line by the impact of meteorological condition, time have aeolian vibration phenomenon to occur, especially for large cross line, the accidents such as the wire strand breakage caused due to aeolian vibration breaks, gold utensil comes off frequently occur, and cause huge economic loss.Existing wire aeolian vibration on-Line Monitor Device mainly utilizes the strain effect of resistance strain plate, pastes on a cantilever beam, measures the bending amplitude of aeolian vibration.But traditional aeolian vibration sensor is owing to being the measuring method adopting electricity, larger by electromagnetic interference influence.In addition, the Stability and dependability of outdoor terminal power supply receives very large concern, sensor employing high-energy battery is powered, high pressure takes out energy+lithium battery power supply, therefore the life-span of these sensors relies on stability and the reliability of power supply, and the equipment of hanging net operation also has the generation of the faults such as loss of data.
Utility model content
The purpose of this utility model provides a kind of transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating, solve the solution existed in prior art existing transmission line of electricity aeolian vibration sensor power unreliable, by on-the-spot physical environment and the larger problem of electromagnetic environmental impact.
The technical scheme that the utility model adopts is, a kind of transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating, comprise Surveillance center, monitoring terminal, fiber grating analyser, built on stilts optical power grounded waveguide, optical fiber composite insulator and fiber grating displacement sensor, described fiber grating displacement sensor is arranged on power transmission line, described optical fiber composite insulator hangs on electric power pylon, and be connected with fiber grating displacement sensor, described fiber grating analyser is connected with monitoring terminal.
Feature of the present utility model is also,
Optical fiber composite insulator is connected with fiber grating analyser by built on stilts optical power grounded waveguide, and fiber grating analyser is connected with monitoring terminal.
The structure of described fiber grating displacement sensor, comprise jig, fiber grating and transfer beam, described fiber grating is pasted onto in transfer beam, described jig is arranged on transmission pressure, described jig is connected with roller by transfer beam, described fiber grating and Fiber connection, roller is pressed in wire clamp exit, wire clamp connecting insulator.
Optical fiber is drawn from fiber grating displacement sensor, then by being incorporated to built on stilts optical power grounded waveguide after optical fiber composite insulator; Optical fiber is light signal output end mouth.
Fiber grating is pasted onto in transfer beam, apart from roller central vertical distance 89mm.
Optical fiber transmission signal is passed through between fiber grating displacement sensor and fiber grating analyser.
Fiber grating analyser is arranged on transformer station, passes through ethernet communication with monitoring terminal.
Monitoring terminal is arranged in transformer station, passes through ethernet communication with Surveillance center.
Fiber grating analyser is arranged in transformer station, uses 220V AC-powered, adopts Ethernet to communicate with monitoring terminal.
The beneficial effects of the utility model are, combine that fiber-optic grating sensor is anti-interference, the electromagnetic compatibility problem that solves transmission line of electricity on-line monitoring equipment in the past and Power supply problem.In conjunction with fiber-optic grating sensor electromagnetism interference, highly sensitive, without the need to the advantage of Power supply, improve stability and the reliability of system, solve electromagnetic compatibility problem and the Power supply problem of transmission line of electricity on-line monitoring equipment in the past.In addition, utilize OPGW/OPPC to transmit data and solve telecommunication problem, greatly reduce cost simultaneously.
Accompanying drawing explanation
Fig. 1 represents the system architecture schematic diagram of a kind of transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating of the utility model;
Fig. 2 represents of the present utility model a kind of based on the fiber-optic grating sensor principle assumption diagram in the transmission line of electricity aeolian vibration on-line monitoring system of fiber grating.
In figure, 1. fiber grating displacement sensor, 2. optical fiber composite insulator, 3. built on stilts optical power grounded waveguide, 4. fiber grating analyser, 5. monitoring terminal, 6. Surveillance center, 7. transmission pressure, 8. wire clamp, 1-1. jig, 1-2. transfer beam, 1-3. roller, 1-4. fiber grating, 1-5. optical fiber.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
A kind of transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating of the utility model, as shown in Figure 1, comprise Surveillance center 6, monitoring terminal 5, fiber grating analyser 4, built on stilts optical power grounded waveguide 3, optical fiber composite insulator 2 and fiber grating displacement sensor 1, described fiber grating displacement sensor 1 is arranged on power transmission line, described optical fiber composite insulator 2 hangs on electric power pylon, and insulation and supporting role are risen to power transmission line, and be connected with fiber grating displacement sensor 1, described built on stilts optical power grounded waveguide 3 is connected with optical fiber composite insulator 2, be connected with fiber grating analyser 4, fiber grating analyser 4 is connected with monitoring terminal 5.
Described optical fiber composite insulator 2 is connected with fiber grating analyser 4 by built on stilts optical power grounded waveguide 3, and fiber grating analyser 4 is connected with monitoring terminal 5.
Wherein, the structure of described fiber grating displacement sensor 1, as shown in Figure 2, comprise jig 1-1, fiber grating 1-4 and transfer beam 1-2, described fiber grating 1-4 is pasted onto on transfer beam 1-2, described jig 1-1 is arranged on transmission pressure 7, described jig 1-1 is connected with roller 1-3 by transfer beam 1-2, described fiber grating 1-4 is connected with optical fiber 1-5, roller 1-3 is pressed in wire clamp 8 exit, wire clamp 8 connecting insulator, for being held up by power transmission line, is the part of this body structure of transmission line of electricity.
Described optical fiber 1-5 draws from fiber grating displacement sensor, then by being incorporated to built on stilts optical power grounded waveguide 3 after optical fiber composite insulator 2; Optical fiber 1-5 is light signal output end mouth.
Described fiber grating 1-4 is pasted onto on transfer beam 1-2, and apart from roller central vertical distance 89mm, transfer beam 1-2 length is 100mm.
Described fiber grating displacement sensor 1 is arranged on wire, and uses optical fiber transmission signal between fiber grating analyser 2.
Described fiber grating analyser 4 is arranged on transformer station, with monitoring terminal ethernet communication.
Described monitoring terminal is arranged in transformer station, with Surveillance center's ethernet communication.
Fiber grating analyser 4 is arranged in transformer station, uses 220V AC-powered, adopts Ethernet to communicate with monitoring terminal.
The utility model possesses following advantage, and described fiber grating displacement sensor 1 is arranged on transmission pressure, without the need to power supply.Fiber grating displacement sensor sends data to monitoring terminal by OPGW or OPPC, without the need to setting up communication cable in addition, without the need to adopting wireless communication module communication, makes communication more stable.Optical fiber composite insulator for the optical fiber above fiber-optic grating sensor being incorporated to the optical fiber on OPGW, and plays high-pressure and low-pressure insulating effect.
Principle of work of the present utility model and the course of work are: when whole system adopts fiber-optic grating sensor 1 measure traverse line bending amplitude to change, the wavelength variations of fiber grating 1-4 reflected light, and by Optical Fiber composite overhead Ground Wire (OPGW) or OPPC (OPPC), light signal is sent to the fiber grating analyser 4 of transformer station, fiber grating analyser 4 is by optical signal demodulation, monitoring terminal is given by reflecting light long hair by Ethernet interface, monitoring terminal calculates bending amplitude corresponding to wavelength, and calculate the vibration frequency of wire and dynamic bending strain, Surveillance center is sent the data to eventually through Ethernet.
The utility model operationally, fiber grating displacement sensor 1 is arranged on transmission pressure 7, measure the reflection wavelength variable quantity that ground wire aeolian vibration causes, optical fiber 1-5 is wherein by after optical fiber composite insulator 2, be incorporated on built on stilts optical power grounded waveguide 3, by built on stilts optical power grounded waveguide 3, light signal is sent to the fiber grating analyser 4 be arranged in transformer station, fiber grating analyser 4 is mediated to the light signal received, then the wavelength information that light is believed is sent to the monitoring terminal 5 being arranged on transformer station, monitoring terminal 5 calculates bending amplitude corresponding to wavelength, and calculate the vibration frequency of wire and dynamic bending strain, Surveillance center 6 is sent the data to eventually through Ethernet.
Claims (9)
1. the transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating, it is characterized in that, comprise Surveillance center (6), monitoring terminal (5), fiber grating analyser (4), built on stilts optical power grounded waveguide (3), optical fiber composite insulator (2) and fiber grating displacement sensor (1), described fiber grating displacement sensor (1) is arranged on power transmission line, described optical fiber composite insulator (2) hangs on electric power pylon, and be connected with fiber grating displacement sensor (1), described fiber grating analyser (4) is connected with monitoring terminal (5).
2. a kind of transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating according to claim 1, it is characterized in that, described optical fiber composite insulator (2) is connected with fiber grating analyser (4) by built on stilts optical power grounded waveguide (3), and described fiber grating analyser (4) is connected with monitoring terminal (5).
3. a kind of transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating according to claim 1, it is characterized in that, the structure of described fiber grating displacement sensor (1), comprise jig (1-1), fiber grating (1-4) and transfer beam (1-2), described fiber grating (1-4) is pasted onto in transfer beam (1-2), described jig (1-1) is arranged on transmission pressure (7), described jig (1-1) is connected with roller (1-3) by transfer beam (1-2), described fiber grating (1-4) is connected with optical fiber (1-5), roller (1-3) is pressed in wire clamp (8) exit, wire clamp (8) connecting insulator.
4. a kind of transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating according to claim 3, it is characterized in that, described optical fiber (1-5) is drawn from fiber grating displacement sensor, is then incorporated to built on stilts optical power grounded waveguide (3) by after optical fiber composite insulator (2); Optical fiber (1-5) is light signal output end mouth.
5. a kind of transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating according to claim 3, it is characterized in that, described fiber grating (1-4) is pasted onto in transfer beam, apart from roller central vertical distance 89mm.
6. a kind of transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating according to claim 1, it is characterized in that, between described fiber grating displacement sensor (1) and fiber grating analyser (2), pass through optical fiber transmission signal.
7. a kind of transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating according to claim 1, it is characterized in that, described fiber grating analyser (4) is arranged on transformer station, passes through ethernet communication with monitoring terminal.
8. a kind of transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating according to claim 1, it is characterized in that, described monitoring terminal (5) is arranged in transformer station, passes through ethernet communication with Surveillance center.
9. a kind of transmission line of electricity aeolian vibration on-line monitoring system based on fiber grating according to claim 1, it is characterized in that, fiber grating analyser (4) is arranged in transformer station, uses 220V AC-powered, adopts Ethernet to communicate with monitoring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520726820.9U CN204964006U (en) | 2015-09-18 | 2015-09-18 | Little wind vibration of transmission line moves on -line monitoring system based on fiber grating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520726820.9U CN204964006U (en) | 2015-09-18 | 2015-09-18 | Little wind vibration of transmission line moves on -line monitoring system based on fiber grating |
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| CN204964006U true CN204964006U (en) | 2016-01-13 |
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| CN201520726820.9U Active CN204964006U (en) | 2015-09-18 | 2015-09-18 | Little wind vibration of transmission line moves on -line monitoring system based on fiber grating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645372A (en) * | 2018-06-05 | 2018-10-12 | 华南理工大学 | A kind of large span power transmission conducting wire suspension crawl bending strain measurement method |
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2015
- 2015-09-18 CN CN201520726820.9U patent/CN204964006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645372A (en) * | 2018-06-05 | 2018-10-12 | 华南理工大学 | A kind of large span power transmission conducting wire suspension crawl bending strain measurement method |
| CN108645372B (en) * | 2018-06-05 | 2020-06-19 | 华南理工大学 | Large-span transmission conductor suspension point dynamic bending strain measurement method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |