CN110146795A - The device that a kind of pair of insulator arc-over failure is detected automatically - Google Patents
The device that a kind of pair of insulator arc-over failure is detected automatically Download PDFInfo
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- CN110146795A CN110146795A CN201910488120.3A CN201910488120A CN110146795A CN 110146795 A CN110146795 A CN 110146795A CN 201910488120 A CN201910488120 A CN 201910488120A CN 110146795 A CN110146795 A CN 110146795A
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- pair
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- leakage current
- reflected light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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- General Physics & Mathematics (AREA)
- Insulators (AREA)
Abstract
The device that a kind of pair of insulator arc-over failure is detected automatically is related to electric device maintenance field, in order to solve the problems, such as that heavy workload present in existing manual inspection insulator breakdown method, danger level are high and influence factor is more.Leakage Current discoloration detection ring is annular, and the light beam of standard sources outgoing reaches Leakage Current discoloration detection ring, and the light beam of Leakage Current discoloration detection ring reflection is incident to optical spectrum analyser, and the reflected light spectral information that optical spectrum analyser output measures simultaneously is sent to processor；Processor is for comparing the reflected light spectral information of the reflected light spectral information and data storage that measure, the corresponding current value of reflected light spectral information measured, when the current value is in arcing fault current range, fault message is sent to data storage, and fault message and location information are sent to communication module；Communication module is used to the information received being sent to ground monitoring center.The present invention is adapted to automatically detect insulator arc-over failure.
Description
Technical field
The present invention relates to electric device maintenance fields, and in particular to the technology detected automatically to insulator arc-over.
Background technique
Insulator should play insulating effect to electrical equipment or conductor, play fixed suspension again, so far, in electricity
On the alternating current-direct current overhead transmission line of power company hanging net operation, insulator is used widely, and is played the part of in the construction of strong smart grid
Key player.Huge, miscellaneous components as dosage in power grid, insulator breakdown are the main originals for leading to power grid accident
Cause.Common insulator breakdown includes that electrical insulation properties destruction and mechanical performance are damaged, in the process of running due to insulator
Because of the effects of long-term electromechanics load, around environment, it may appear that insulation performance, which lowers, the failures such as occurs flashover or even punctures,
Especially on UHV transmission line, the arcing fault of insulator is to occur most frequently and most directly threaten the peace of electric system
The principal element of row for the national games.Therefore, live detection is carried out to composite insulator, the existing deterioration composite insulator of discovery in time is
Important process in extra high voltage line O&M.
The detection method of existing insulator have voltage's distribiuting method, leakage current method, pulse current method, infrared imaging method,
Ultraviolet image method, electric field measurement method and ultrasonic Method for Measuring etc., these methods require to carry out electrification of ascending a height by operation maintenance personnel
Detection, or interruption maintenance is carried out, not only heavy workload, danger level are high, but also measuring accuracy is by weather conditions, test wrapper
The uncertainties such as border, personnel specialty quality influence, it is difficult to carry out electrification on-line checking in real time, be unable to satisfy strong smart grid
Growth requirement.Instantly electric power rack in China's is just fast-developing towards ubiquitous Internet of Things, so the inspection work of insulator at present is urgently
Need it is a kind of in real time, reliable, efficiently, accurate, economic mode carries out.
Summary of the invention
The purpose of the present invention is to solve heavy workloads, danger present in existing manual inspection insulator breakdown method
Problem more than degree height and influence factor, to provide the device that a kind of pair of insulator arc-over failure is detected automatically.
The device that a kind of pair of insulator arc-over failure of the present invention is detected automatically, including Leakage Current discoloration inspection
Survey ring 1 and color detection and fail analysis device 2；
Color detection and fail analysis device 2 include shell 2-1, standard sources 2-2, optical spectrum analyser 2-3, processor 2-
4, data storage 2-5, communication module 2-6 and locator 2-7；
Leakage Current discoloration detection ring 1 is annular, and is attached to the surface of insulator umbrella, standard sources 2-2, spectrum point
Parser 2-3, processor 2-4, data storage 2-5, communication module 2-6 and locator 2-7 are respectively positioned in shell 2-1, shell 2-1
It is equipped with aperture, the light beam of standard sources 2-2 outgoing is pierced by aperture and reaches Leakage Current discoloration detection ring 1, Leakage Current discoloration
The light beam that detection ring 1 reflects passes through aperture and is incident to optical spectrum analyser 2-3, and optical spectrum analyser 2-3 exports the reflected light light measured
Spectrum information is simultaneously sent to processor 2-4；
Data storage 2-5 for storing reflected light spectral information under different flashover current values, and is sent to processor 2-
4；
Locator 2-7 is sent to processor 2-4 for being positioned, and by location information；
The reflected light spectral information of processor 2-4, reflected light spectral information for will measure and data storage 2-5 into
Row comparison, the corresponding current value of reflected light spectral information measured, when the current value is in arcing fault current range
When, fault message is sent to data storage 2-5, and fault message and location information are sent to communication module 2-6；
Communication module 2-6, for the fault message received and location information to be sent to ground monitoring center.
Preferably, color detection and fail analysis device 2 further include photovoltaic generating system and energy storage device 2-8；
The electric energy converted out is sent to energy storage device 2-8 by photovoltaic generating system, and energy storage device 2-8 is for storing electric energy simultaneously
It is supplied to standard sources 2-2, optical spectrum analyser 2-3, processor 2-4, data storage 2-5, communication module 2-6 and locator 2-7
Electricity.
Preferably, color detection and fail analysis device 2 further include sound flash alarm system device 2-9；
When the corresponding current value of reflected light spectral information measured is in arcing fault current range, processor 2-4
Trigger signal is sent to sound flash alarm system device 2-9, sound flash alarm system device 2-9 carries out sound-light alarm after receiving trigger signal.
Preferably, shell 2-1 is close to Leakage Current discoloration detection ring 1.
Preferably, the size of aperture is less than the width of Leakage Current discoloration detection ring 1, standard sources 2-2 and spectrum point
Impermeable light clapboard is equipped between parser 2-3.
Preferably, Leakage Current discoloration detection ring 1 by current sensitive colour-changing agent, fire retardant, reinforcing agent, colorant and
Chemical assistant composition.
Preferably, current sensitive colour-changing agent is molybdenum oxide, sulphur vanadium copper compound, sulphur niobium copper compound and sulphur tantalum copper
Close one of object or a variety of by any combination.
Preferably, reinforcing agent be nanometer calcium carbonate, clay, montmorillonite, white carbon black, organic resin reinforcing agent, titanium dioxide,
It is one or more in talcum powder and barium sulfate to press any combination.
Preferably, colorant is one of titanium dioxide, zinc oxide and lithopone or a variety of presses any combination.
Preferably, chemical assistant is crosslinking agent, antioxidant, antiozonant, light stabilizer, UV absorbers, structure
One of controlling agent, promotor, activator, antiscorching agent and mould inhibitor are a variety of by any combination.
The beneficial effects of the present invention are: present device small in size, install convenient, can be mounted on various electricity according to demand
On the insulator of pressure grade, various insulation system；Equipment detection accuracy is high, by color detection and fail analysis device to letting out
The Accurate Analysis for revealing the reflective spectral property of electric current discoloration detection ring, realizes and quickly, accurately examine to insulator arc-over failure
It is disconnected；By the comparison to reflected light spectral detection result, judge whether faulty, and is uploaded fault message by communication module
To ground monitoring center, realize that the real-time report to arcing fault, the present invention are imitated for improving the work of insulator breakdown inspection
Rate ensures that safe and stable operation of power system is of great significance.
Detailed description of the invention
Fig. 1 is the structure for the device that a kind of pair of insulator arc-over failure is detected automatically described in specific embodiment one
Schematic diagram；
Fig. 2 is the functional block diagram of the color detection and fail analysis device in specific embodiment one.
Specific embodiment
Specific embodiment 1: illustrating present embodiment in conjunction with Fig. 1 and Fig. 2, one kind described in present embodiment is right
The device that insulator arc-over failure is detected automatically, including Leakage Current discoloration detection ring 1 and color detection and accident analysis
Device 2；
Color detection and fail analysis device 2 include shell 2-1, standard sources 2-2, optical spectrum analyser 2-3, processor 2-
4, data storage 2-5, communication module 2-6 and locator 2-7；
Leakage Current discoloration detection ring 1 is annular, and the surface of insulator umbrella is attached to by spraying or adhesive technology,
Cyclic structure, standard sources 2-2, optical spectrum analyser 2-3, processor 2-4, data storage 2- are formed in flashover current channel
5, communication module 2-6 and locator 2-7 are respectively positioned in shell 2-1, and shell 2-1 is equipped with aperture, the light of standard sources 2-2 outgoing
Beam is pierced by aperture and reaches Leakage Current discoloration detection ring 1, and the light beam that Leakage Current discoloration detection ring 1 reflects is incident to across aperture
Optical spectrum analyser 2-3, optical spectrum analyser 2-3 export the reflected light spectral information measured and are sent to processor 2-4；
Data storage 2-5 for storing reflected light spectral information under different flashover current values, and is sent to processor 2-
4；
Locator 2-7 is sent to processor 2-4 for being positioned, and by location information；
The reflected light spectral information of processor 2-4, reflected light spectral information for will measure and data storage 2-5 into
Row comparison, the corresponding current value of reflected light spectral information measured, when the current value is in arcing fault current range
When, fault message is sent to data storage 2-5, and fault message and location information are sent to communication module 2-6；
Communication module 2-6, for the fault message received and location information to be sent to ground monitoring center.
In present embodiment, color detection and fail analysis device 2 further include photovoltaic generating system and energy storage device 2-8；
The electric energy converted out is sent to energy storage device 2-8 by photovoltaic generating system, and energy storage device 2-8 is for storing electric energy simultaneously
It is supplied to standard sources 2-2, optical spectrum analyser 2-3, processor 2-4, data storage 2-5, communication module 2-6 and locator 2-7
Electricity.Photovoltaic generating system includes solar panel and controller, and controller is for preventing energy storage device 2-8 overcharge and over-discharge
Electricity.
In present embodiment, under the irradiation that standard sources 3 emits light, Leakage Current becomes Leakage Current discoloration detection ring 1
Color detects the reflected light spectral signature (by optical absorption spectras such as frequency, peak position and peak values) of ring 1 as insulator surface reveals electricity
Stream size changes.
In present embodiment, Leakage Current discoloration detection ring 1 is close in the bottom of shell 2-1, guarantees that natural light can not be by shell
The aperture of body 2-1 enters, i.e., the received optical signal of optical spectrum analyser 4 is entirely that the transmitting light of standard sources 3 becomes through Leakage Current
Color detects ring 1 and the light of reflection.Shell 2-1 is insulating materials, whole to have box sealing characteristics, the sun of photovoltaic generating system
Can solar panel paving be attached to the upper surface and side surface of shell 2-1, in standard sources 2-2 and optical spectrum analyser 2-3 installed position,
The bottom of shell 2-1 is provided with appropriate aperture, and the size of aperture is less than the width of Leakage Current discoloration detection ring 1, and aperture is for standard
Light source 2-2 transmitting light is radiated at Leakage Current discoloration detection ring 1, and enters optical spectrum analyser 2-3 for reflected light.
Specific embodiment 2: present embodiment is to a kind of pair of insulator arc-over failure described in specific embodiment one
Automatically the device detected is described further, and in present embodiment, color detection and fail analysis device 2 further include acousto-optic
Alarm 2-9；
When the corresponding current value of reflected light spectral information measured is in arcing fault current range, processor 2-4
Trigger signal is sent to sound flash alarm system device 2-9, sound flash alarm system device 2-9 carries out sound-light alarm after receiving trigger signal.For inspection
Personnel quickly have found the insulator position there are arcing fault.
Specific embodiment 3: present embodiment is to a kind of pair of insulator arc-over described in specific embodiment one or two
The device that failure is detected automatically is described further, in present embodiment, standard sources 2-2 and optical spectrum analyser 2-3 it
Between be equipped with partition.
Standard sources 2-2 outgoing light wavelength is between 180-450 nanometers.Between standard sources 2-2 and optical spectrum analyser 2-3
With impermeable light clapboard, guarantee standard sources 2-2 emergent light can not directly incident light spectrum analyzer 2-3, and have to pass through and let out
Reveal electric current discoloration detection ring 1 to reflect, the received optical wavelength of optical spectrum analyser 2-3 is between 50-800 nanometers.
Specific embodiment 4: present embodiment is to a kind of pair of insulator arc-over failure described in specific embodiment three
Automatically the device detected is described further, and in present embodiment, Leakage Current discoloration detection ring 1 is become by current sensitive
Toner, fire retardant, reinforcing agent, colorant and chemical assistant composition.
It is matched by different materials, formation shows the discoloration of different voltages grade insulator arc-over characteristic.
In a preferred embodiment, Leakage Current discoloration detection ring 1 is made of the following raw material by mass fraction: electric current is quick
40 parts -60 parts of sense type colour-changing agent, 20 parts -30 parts of fire retardant, 15 parts -20 parts of reinforcing agent, 10 parts -15 parts of colorant and chemical assistant
5 parts -10 parts.
Specific embodiment 5: present embodiment is to a kind of pair of insulator arc-over failure described in specific embodiment four
Automatically the device detected is described further, and in present embodiment, current sensitive colour-changing agent is by molybdenum oxide, sulphur vanadium copper
Close one of object, sulphur niobium copper compound and sulphur tantalum copper compound or a variety of by any combination.
In a preferred embodiment, molybdenum oxide, sulphur vanadium copper compound, sulphur niobium copper compound and sulphur tantalum copper compound according to
The mass fraction of 2:3:1:2 forms, and has sensitive color transfiguration attribute to Leakage Current.
Specific embodiment 6: present embodiment is to a kind of pair of insulator arc-over failure described in specific embodiment five
Automatically the device detected is described further, and in present embodiment, fire retardant is aluminum hydroxide particle, aluminum hydroxide particle
Particle size range be 0.1 μm~20 μm.The filling content of aluminum hydroxide particle is less than 40%.
Specific embodiment 7: present embodiment is to a kind of pair of insulator arc-over failure described in specific embodiment six
Automatically the device detected is described further, and in present embodiment, reinforcing agent is nanometer calcium carbonate, clay, montmorillonite, white
It is one or more in carbon black, organic resin reinforcing agent, titanium dioxide, talcum powder and barium sulfate to press any combination.
Specific embodiment 8: present embodiment is to a kind of pair of insulator arc-over failure described in specific embodiment seven
Automatically the device detected is described further, and in present embodiment, colorant is in titanium dioxide, zinc oxide and lithopone
It is one or more to press any combination.
Specific embodiment 9: present embodiment is to a kind of pair of insulator arc-over failure described in specific embodiment eight
Automatically the device detected is described further, in present embodiment, chemical assistant be crosslinking agent, antioxidant, antiozonant,
One of light stabilizer, UV absorbers, constitution controller, promotor, activator, antiscorching agent and mould inhibitor a variety of are pressed
Any combination.
Specific embodiment 10: present embodiment is to a kind of pair of insulator arc-over failure described in specific embodiment nine
Automatically the device detected is described further, and in present embodiment, Leakage Current discoloration detection ring 1 is according to insulator umbrella
Profile is closely pasted, and for width between 1 centimetre~4 centimetres, shape is circular ring shape, side's annular or triangular ring etc..Leakage
Electric current discoloration detection ring 1 is continuous seamless gap annular, forms the only way which must be passed of leakage current.
Specific embodiment 11: present embodiment is to a kind of pair of insulator arc-over event described in specific embodiment ten
Hinder the device detected automatically to be described further, in present embodiment, shell 2-1 is polyester, polyimides, polychlorostyrene second
One or more of alkene, polytetrafluoroethylene (PTFE), epoxies, phenolic, mica group, rubber insulating materials press any combination,
Shell 2-1 is cuboid, prismatoid or bullet etc..
Specific embodiment 12: present embodiment is to a kind of pair of insulator arc-over event described in specific embodiment one
Hinder the device detected automatically to be described further, in present embodiment, energy storage device 2-8 is chemical energy storage battery or capacitor
Energy storage device.Specially ickel-cadmium cell, Ni-H cell, lithium battery or energy storage electric container.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
Claims (10)
1. the device that a kind of pair of insulator arc-over failure is detected automatically, which is characterized in that change colour including Leakage Current and detect
Ring (1) and color detection and fail analysis device (2)；
Color detection and fail analysis device (2) include shell (2-1), standard sources (2-2), optical spectrum analyser (2-3), processing
Device (2-4), data storage (2-5), communication module (2-6) and locator (2-7)；
Leakage Current discoloration detection ring (1) is annular, and is attached to the surface of insulator umbrella, standard sources (2-2), spectrum point
Parser (2-3), processor (2-4), data storage (2-5), communication module (2-6) and locator (2-7) are respectively positioned on shell (2-
1) in, shell (2-1) is equipped with aperture, and the light beam of standard sources (2-2) outgoing is pierced by aperture and reaches Leakage Current discoloration detection
Ring (1), the light beam of Leakage Current discoloration detection ring (1) reflection pass through aperture and are incident to optical spectrum analyser (2-3), optical spectrum analyser
(2-3) exports the reflected light spectral information measured and is sent to processor (2-4)；
Data storage (2-5) for storing reflected light spectral information under different flashover current values, and is sent to processor (2-
4)；
Locator (2-7) is sent to processor (2-4) for being positioned, and by location information；
Processor (2-4), the reflected light spectral information of reflected light spectral information for will measure and data storage (2-5) into
Row comparison, the corresponding current value of reflected light spectral information measured, when the current value is in arcing fault current range
When, fault message is sent to data storage (2-5), and fault message and location information are sent to communication module (2-6)；
Communication module (2-6), for the fault message received and location information to be sent to ground monitoring center.
2. the device that a kind of pair of insulator arc-over failure according to claim 1 is detected automatically, which is characterized in that institute
It states color detection and fail analysis device (2) further includes photovoltaic generating system and energy storage device (2-8)；
The electric energy converted out is sent to energy storage device (2-8) by photovoltaic generating system, and energy storage device (2-8) is for storing electric energy simultaneously
To standard sources (2-2), optical spectrum analyser (2-3), processor (2-4), data storage (2-5), communication module (2-6) and determine
Position device (2-7) is powered.
3. the device that a kind of pair of insulator arc-over failure according to claim 1 is detected automatically, which is characterized in that institute
It states color detection and fail analysis device (2) further includes sound flash alarm system device (2-9)；
When the corresponding current value of reflected light spectral information measured is in arcing fault current range, processor (2-4) to
Sound flash alarm system device (2-9) sends trigger signal, and sound flash alarm system device (2-9) carries out sound-light alarm after receiving trigger signal.
4. the device that a kind of pair of insulator arc-over failure according to claim 1 is detected automatically, which is characterized in that institute
It states shell (2-1) and is close to Leakage Current discoloration detection ring (1).
5. the device that a kind of pair of insulator arc-over failure according to claim 1 is detected automatically, which is characterized in that institute
The size for stating aperture is less than the width of Leakage Current discoloration detection ring (1), standard sources (2-2) and optical spectrum analyser (2-3) it
Between be equipped with impermeable light clapboard.
6. the device that a kind of pair of insulator arc-over failure according to claim 1 is detected automatically, which is characterized in that institute
Leakage Current discoloration detection ring (1) is stated to be made of current sensitive colour-changing agent, fire retardant, reinforcing agent, colorant and chemical assistant.
7. the device that a kind of pair of insulator arc-over failure according to claim 6 is detected automatically, which is characterized in that institute
State current sensitive colour-changing agent be one of molybdenum oxide, sulphur vanadium copper compound, sulphur niobium copper compound and sulphur tantalum copper compound or
It is a variety of to press any combination.
8. the device that a kind of pair of insulator arc-over failure according to claim 6 is detected automatically, which is characterized in that institute
Stating reinforcing agent is nanometer calcium carbonate, clay, montmorillonite, white carbon black, organic resin reinforcing agent, titanium dioxide, talcum powder and barium sulfate
In it is one or more press any combination.
9. the device that a kind of pair of insulator arc-over failure according to claim 6 is detected automatically, which is characterized in that institute
Stating colorant is one of titanium dioxide, zinc oxide and lithopone or a variety of by any combination.
10. the device that a kind of pair of insulator arc-over failure according to claim 6 is detected automatically, which is characterized in that
The chemical assistant be crosslinking agent, antioxidant, antiozonant, light stabilizer, UV absorbers, constitution controller, promotor,
One of activator, antiscorching agent and mould inhibitor are a variety of by any combination.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910488120.3A CN110146795A (en) | 2019-06-05 | 2019-06-05 | The device that a kind of pair of insulator arc-over failure is detected automatically |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910488120.3A CN110146795A (en) | 2019-06-05 | 2019-06-05 | The device that a kind of pair of insulator arc-over failure is detected automatically |
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| CN110146795A true CN110146795A (en) | 2019-08-20 |
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| CN201910488120.3A Pending CN110146795A (en) | 2019-06-05 | 2019-06-05 | The device that a kind of pair of insulator arc-over failure is detected automatically |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110003662A (en) * | 2019-05-05 | 2019-07-12 | 国网黑龙江省电力有限公司电力科学研究院 | A kind of composite insulator umbrella skirt and preparation method thereof that discoloration display can be carried out to power failure |
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| CN2399805Y (en) * | 1999-12-23 | 2000-10-04 | 寻凯 | High voltage insulator able to indicate flashover fault |
| CN2524341Y (en) * | 2001-12-31 | 2002-12-04 | 襄樊国网合成绝缘子股份有限公司 | Indicating cover for flash fault of power line insulation |
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| CN110003662A (en) * | 2019-05-05 | 2019-07-12 | 国网黑龙江省电力有限公司电力科学研究院 | A kind of composite insulator umbrella skirt and preparation method thereof that discoloration display can be carried out to power failure |
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