CN110174600A - GIS detection device and application based on μ PMT combining ultrasonic sensor - Google Patents
GIS detection device and application based on μ PMT combining ultrasonic sensor Download PDFInfo
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- CN110174600A CN110174600A CN201910594400.2A CN201910594400A CN110174600A CN 110174600 A CN110174600 A CN 110174600A CN 201910594400 A CN201910594400 A CN 201910594400A CN 110174600 A CN110174600 A CN 110174600A
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- ultrasonic sensor
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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
- G01R31/1209—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 acoustic measurements
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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
- G01R31/1281—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 liquids or gases
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Relating To Insulation (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
This application provides a kind of GIS detection devices and application based on μ PMT combining ultrasonic sensor, including flange, μ PMT, ultrasonic sensor array, detection signal data WIFI transmitting station and sensor power supply device；Flange includes μ PMT mounting portion and ultrasonic sensor array mounting portion, and μ PMT is fixed in μ PMT mounting portion, and ultrasonic sensor array is fixed at ultrasonic sensor array mounting portion；Ultrasonic sensor array includes several ultrasonic sensors and the ultrasonic sensor link circuit for connecting ultrasonic sensor；The first plug is arranged in the top of μ PMT mounting portion；Second plug is set on ultrasonic sensor array mounting portion；Detection signal data WIFI transmitting station and sensor power supply device pass through the first plug and the second plug electrical connection μ PMT and ultrasonic sensor array respectively.Partial Discharge Detection sufficiently is carried out to GIS with shelf depreciation supersonic array localization method, is provided safeguard for its safe operation.
Description
Technical field
This application involves switched power equipment condition monitoring diagnostic techniques fields, more particularly to a kind of μ PMT joint that is based on to surpass
The GIS detection device of sonic transducer and application.
Background technique
Gas-insulated switchgear (gas insulated switchgear, GIS) be it is the most expensive in electric system and
One of important equipment, safe and stable operation by entire power grid reliability and safety generate significant impact.Gas is exhausted
The air insulation electric power apparatus such as edge switch, gas power transfer conduit, gas-insulated transformer, enclosed switchgear production, transport,
The insulation such as conductor tip or scuffing, floating potential or insulator surface exception are unavoidably formed in assembly and operation to lack
It falls into, shelf depreciation is caused under electric field action, or even cause insulation breakdown under overvoltage effect.With power grid scale and electricity
The continuous increase and raising of pressure grade, are effectively detected and are monitored to the hidden danger that insulate in inflated appliance, to guarantee equipment peace
Full reliability service has significant meaning.
Partial Discharge Detection is as a kind of effective means for finding insulation defect, in Electric Power Equipment Insulation is examined and diagnosed
It plays an important role.It is existing based on physics such as the movement of charge caused by shelf depreciation, Electromagnetic Wave Propagation, Acoustic Wave Propagation and light radiation
As, form pulse current method, super (spy) high-frequency method, a variety of measurement of partial discharge sides such as upstream band, ultrasonic method and flash spotting
Method, wherein pulse current method is can to quantify off-line testing method；Hyperfrequency, electric wave and ultrasonic method belong to connectorless measurement,
It can be flexibly applied to partial discharge monitoring or live detection.
Shelf depreciation supersonic array localization method is a kind of partial discharge positioning method that comparison is new, and this method passes through ultrasound
Thus sensor array received ultrasonic signal obtains the time delay of ultrasonic signal, and then calculate using array signal as time reference
The distance between partial discharge source and sensor out realize space orientation further according to geometrical principle, obtain partial discharge source relative to ultrasonic battle array
The azimuth of sensor measurement position and pitch angle.Therefore, how to provide a kind of with shelf depreciation supersonic array positioning side
The GIS detection device of method is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
This application provides a kind of GIS detection devices and application based on μ PMT combining ultrasonic sensor, can sufficiently use
Shelf depreciation supersonic array localization method carries out Partial Discharge Detection to GIS.
In a first aspect, this application provides a kind of GIS detection device based on μ PMT combining ultrasonic sensor, including method
Orchid, μ PMT, ultrasonic sensor array, detection signal data WIFI transmitting station and sensor power supply device；Wherein:
The flange includes μ PMT mounting portion and ultrasonic sensor array mounting portion, and the μ PMT is fixed at the μ
In PMT mounting portion, the ultrasonic sensor array is fixed at the ultrasonic sensor array mounting portion；
The ultrasonic sensor array includes several ultrasonic sensors and the ultrasound for connecting the ultrasonic sensor
Sensor link circuit；
The first plug is arranged in the top of the μ PMT mounting portion, and first plug is electrically connected the μ PMT；The ultrasound
Second plug is set on sensor array mounting portion, and second plug is electrically connected the ultrasonic sensor link circuit；
The detection signal data WIFI transmitting station and sensor power supply device pass through the first plug electrical connection respectively
The μ PMT, the detection signal data WIFI transmitting station and sensor power supply device pass through the second plug electrical connection respectively
The ultrasonic sensor array.
Optionally, in the above-mentioned GIS detection device based on μ PMT combining ultrasonic sensor, the ultrasonic sensor array peace
Spiral groove is arranged in dress portion, and the ultrasonic sensor array is arranged in the spiral groove.
Optionally, in the above-mentioned GIS detection device based on μ PMT combining ultrasonic sensor, the ultrasonic sensor array packet
16 ultrasonic sensors are included, the ultrasonic sensor is uniformly distributed in the spiral groove.
Optionally, in the above-mentioned GIS detection device based on μ PMT combining ultrasonic sensor, the μ PMT is mounted on the μ
The bottom of PMT mounting portion, the surface of the μ PMT are concordant with the end face of the ultrasonic sensor array mounting portion.
Optionally, in the above-mentioned GIS detection device based on μ PMT combining ultrasonic sensor, setting branch in the spiral groove
Frame, the ultrasonic sensor, which is fixed by the bracket, to be connected in the spiral groove.
Optionally, in the above-mentioned GIS detection device based on μ PMT combining ultrasonic sensor, first plug and second is inserted
Head is respectively aviation plug.
Second aspect, present invention also provides a kind of GIS equipment partial discharge detection system based on GIS detection device,
The system comprises GIS detection devices and backstage diagnostic system based on μ PMT combining ultrasonic sensor；Wherein:
The GIS detection device based on μ PMT combining ultrasonic sensor is to be combined described in above-mentioned any one based on μ PMT
The GIS detection device of ultrasonic sensor；
The backstage diagnostic system receives the GIS detection device based on μ PMT combining ultrasonic sensor and obtains local put
Electrooptics signal and ultrasonic signal separate noise signal with discharge signal by MUSIC algorithm, utilize spatial orthogonality
Point of discharge is positioned.
GIS detection device and application provided by the present application based on μ PMT combining ultrasonic sensor, using flange by μ PMT
Be combined with ultrasonic sensor array, μ PMT and ultrasonic sensor array are powered by sensor power supply device and
The GIS partial discharge signal that μ PMT and ultrasonic sensor array acquire is carried out remotely by detection signal data WIFI transmitting station
The on-line monitoring to GIS is realized in transmission.μ PMT is high sensitivity photosensors, can carry out high-precision prison to GIS partial discharge
It surveys；Ultrasonic sensor array positions the shelf depreciation point under prevention and serious conditions.Therefore, provided by the present application to be based on
The GIS detection device of μ PMT combining ultrasonic sensor and GIS equipment partial discharge detection system based on GIS detection device are
Gas-insulated switchgear scene insulation condition diagnosis provides comprehensive and fine judgment basis, provides for its safe operation
It ensures.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structure of the GIS detection device based on μ PMT combining ultrasonic sensor provided by the embodiments of the present application
Schematic diagram；
Fig. 2 is flange assembling exploded view provided by the embodiments of the present application；
Fig. 3 is the main view of flange arrangement provided by the embodiments of the present application；
Fig. 4 is the left view of flange arrangement provided by the embodiments of the present application；
Fig. 5 is the top view of flange arrangement provided by the embodiments of the present application.
Wherein:
1- flange, 101- μ PMT mounting portion, 102- ultrasonic sensor array mounting portion, 103- spiral groove, 104- first
Plug, the second plug of 105-, 2- μ PMT, 3- ultrasonic sensor array, 4- detect signal data WIFI transmitting station, and 5- sensor supplies
Energy device, the backstage 6- diagnostic system.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Attached drawing 1 is that the structure of the GIS detection device provided by the embodiments of the present application based on μ PMT combining ultrasonic sensor is shown
It is intended to.As shown in Fig. 1, the GIS detection device provided by the embodiments of the present application based on μ PMT combining ultrasonic sensor includes method
Orchid 1, μ PMT2, ultrasonic sensor array 3, detection signal data WIFI transmitting station 4 and sensor power supply device 5.
In the embodiment of the present application, flange 1 is for fixing other assemblies in GIS detection device, and uses 1 structure of flange just
In the installation and use of GIS detection device.In conjunction with attached drawing 1,2,3,4 and 5, it is known that the flange 1 in the embodiment of the present application includes μ
PMT mounting portion 101 and ultrasonic sensor array mounting portion 102, μ PMT mounting portion 101 are mainly the cavity knot that flange 1 protrudes above
Structure, ultrasonic sensor array mounting portion 102 are disc structure on flange 1.μ PMT mounting portion 101 surpasses for μ PMT2 to be fixedly mounted
Acoustic sensor array mounting portion 102 is for being fixedly mounted ultrasonic sensor array 3.
In application embodiment, faint optical signal is converted into the vacuum electron device of electric signal by μ PMT2；UPMT sensor
The faint optical radiation signal that 200-1200nm wavelength can be perceived, the photon generated to electric discharge are more sensitive；Photoelectric conversion ratio
Example is stablized, and strong and weak information of discharging can be intuitively obtained by voltage signal
In application embodiment, ultrasonic sensor array 3 is including several ultrasonic sensors and for connecting the ultrasound
The ultrasonic sensor link circuit of sensor, several ultrasonic sensors are arranged in helical annular array.Ultrasonic sensor array 3 is used
It is positioned in local point of discharge.
The first plug 104 is arranged in the top of μ PMT mounting portion 101, and first plug 104 is electrically connected the μ PMT2.It is super
Second plug 105 is set on acoustic sensor array mounting portion 102, and second plug 105 is electrically connected the ultrasonic sensor and connects
Take back road.The detection signal data WIFI transmitting station detection signal data WIFI transmitting station 4 and sensor power supply device sensing
Device power supply device 5 is electrically connected the μ PMT2, the detection signal data WIFI transmitting station by first plug 104 respectively
It detects signal data WIFI transmitting station 4 and sensor power supply device sensor power supply device 5 and passes through second plug 105 respectively
It is electrically connected the ultrasonic sensor array ultrasonic sensor array 3.
In the embodiment of the present application, the first plug 104 and the second plug 105 are threadedly secured to respectively on flange 1, i.e.,
First plug 104 is threadedly secured to μ PMT mounting portion 101, and the second plug 105 is threadably secured ultrasonic sensor array
Mounting portion 102.Optionally, the first plug 104 and the second plug 105 select Aviation Connector, help to ensure that and are combined based on μ PMT
The GIS detection device of ultrasonic sensor can bear atmospheric pressure and reach 10 atmospheric pressure.
Detection signal data WIFI transmitting station 4 is used to acquire the detection signal of μ PMT2 and ultrasonic sensor array 3, i.e. μ
The shelf depreciation optical signalling and ultrasonic signal that PMT2 and ultrasonic sensor array 3 measure are inserted by the first plug 104 and second
First 105 lead to detection signal data WIFI transmitting station 4, and are remotely conveyed.Optionally, signal data WIFI is detected
4 tranmitting frequency of transmitting station is 2.4GHz.
Sensor power supply device 5 is for providing the work energy of μ PMT2 and ultrasonic sensor array 3.It is specific in the application
In embodiment, voltage needed for μ PMT is DC500V, and ultrasonic sensor desired signal is DC12V.
GIS detection device provided by the embodiments of the present application based on μ PMT combining ultrasonic sensor, using flange 1 by μ
PMT2 and ultrasonic sensor array 3 are combined, and are carried out by sensor power supply device 5 to μ PMT2 and ultrasonic sensor array 3
The GIS partial discharge powered and acquired μ PMT2 and ultrasonic sensor array 3 by detecting signal data WIFI transmitting station 4
Signal carries out remote transmission, realizes the on-line monitoring to GIS.μ PMT2 is high sensitivity photosensors, can locally be put to GIS
Electricity carries out high precision monitor；Shelf depreciation point under 3 pairs of ultrasonic sensor array preventions and serious conditions positions.Therefore originally
The GIS detection device based on μ PMT combining ultrasonic sensor provided is provided, is gas-insulated switchgear scene state of insulation
Diagnosis provides comprehensive and fine judgment basis, provides guarantee for its safe operation.
In the embodiment of the present application, spiral groove 103, ultrasonic sensor are set on ultrasonic sensor array mounting portion 102
Array 3 is arranged in spiral groove 103.Specifically, ultrasonic sensor link circuit is arranged in spiral groove 103.Spiral shell is set
Groove 103 is revolved convenient for ultrasonic sensor array 3 is fixedly mounted.
In the application specific embodiment, ultrasonic sensor array 3 includes 16 ultrasonic sensors, and ultrasonic sensor is equal
Even is distributed in the spiral groove 103, and 16 ultrasonic sensors are arranged in helical array.16 ultrasonic sensor arrangement groups
At helical array local point of discharge can be accurately positioned.
It is fixed to further facilitate the installation of ultrasonic sensor array 3, bracket, the ultrasound is set in spiral groove 103
Sensor, which is fixed by the bracket, to be connected in spiral groove 103.Ultrasonic sensor is fixed by screws on the bracket, ultrasound
Sensor link circuit is arranged in spiral groove 103.
In the embodiment of the present application, μ PMT2 is mounted on the bottom of the μ PMT mounting portion 101, the surface of the μ PMT2 with
The end face of the ultrasonic sensor array mounting portion 102 is concordant.The surface of μ PMT2 and ultrasonic sensor array mounting portion 102
End face, which concordantly helps to ensure that, to be guaranteed not influencing power equipment internal electric field while maximum light acceptance amount.
Based on the GIS detection device provided by the embodiments of the present application based on μ PMT combining ultrasonic sensor, the application is implemented
Example additionally provides a kind of GIS equipment partial discharge detection system based on GIS detection device, as shown in Fig. 1.The application is implemented
The GIS equipment partial discharge detection system based on GIS detection device provided, including based on μ PMT combining ultrasonic sensor
GIS detection device and backstage diagnostic system 6；Wherein:
The GIS detection device based on μ PMT combining ultrasonic sensor is provided by the above embodiment based on μ PMT joint
The GIS detection device of ultrasonic sensor；
The backstage diagnostic system 6 receives the GIS detection device based on μ PMT combining ultrasonic sensor and obtains part
Discharge optical signalling and ultrasonic signal, is separated to noise signal with discharge signal by MUSIC algorithm, utilizes orthogonal space
Property positions point of discharge.
After backstage diagnostic system 6 obtains shelf depreciation optical signalling and ultrasonic signal, shelf depreciation optics is analyzed first
Whether signal is more than threshold value, existing shelf depreciation is judged if being more than threshold value, it is proposed that interruption maintenance；If ultrasonic sensor battle array at this time
Column 3 also detect that signal, position to detection signal.
The application implements the GIS equipment partial discharge detection system based on GIS detection device provided, and it is exhausted to realize gas
The timely early warning of edge switchgear scene partial discharges fault and positioning, by high sensitivity photosensors uPMT to shelf depreciation
It is detected, sets different threshold values and carry out slight, prevention, the warning of the degree such as serious is prevented by 3 Duis of ultrasonic sensor array
And the shelf depreciation point under serious conditions is positioned, and the live specific aim of staff is facilitated to overhaul.For gas-insulated switch
Device context insulation condition diagnosis provides comprehensive and fine method, provides guarantee for its safe operation.
The application of GIS detection device provided by the embodiments of the present application based on μ PMT combining ultrasonic sensor:
Firstly, checking detection method at the scene in the GIS detection installation to equipment of flange 1 of uPMT combining ultrasonic sensor
The air-tightness of orchid 1.It connects ultrasonic sensor array 3 and uPMT signal output interface in Aviation Connector and detects signal data
WIFI transmitting station 4 connects the power interface and sensor power supply device 5 of the ultrasonic sensor array 3 and uPMT in Aviation Connector.
Setting detection 4 tranmitting frequency of signal data WIFI transmitting station is 2.4GHz, is connected with backstage diagnostic system 6, passes through
Detection signal data WIFI transmitting station 4 transmits the ultrasonic sensor array 3 detected and uPMT data.More stylobates join in μ PMT
The GIS detection device for closing ultrasonic sensor can be diagnosed to backstage simultaneously by detection signal data WIFI transmitting station 4 therein
System 6 carries out data communication.
Backstage diagnostic system 6 is collected into the discharge signal more than given threshold, and the automatic ultrasonic sensor array 3 that starts is determined
Position algorithm software module positions point of discharge.
After discharge fault point is alarmed and positioned, backstage diagnostic system 6 sends corresponding electric discharge to staff
Type and location information carry out interruption maintenance according to correspondence gas chamber of the corresponding information to gas-insulated switch.
It inspects periodically sensor power supply device 5 and detects the working condition of signal data WIFI transmitting station 4, guarantee that it is being disliked
Normal operation under bad field condition.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment it
Between same and similar part may refer to each other, each embodiment focuses on the differences from other embodiments,
The relevent part can refer to the partial explaination of embodiments of method.Those skilled in the art are considering the hair of specification and practice here
After bright, other embodiments of the present invention will readily occur to.This application is intended to cover any modification of the invention, purposes or fit
Answering property changes, these variations, uses, or adaptations follow general principle of the invention and do not invent including the present invention
Common knowledge or conventional techniques in the art.The description and examples are only to be considered as illustrative, the present invention
True scope and spirit be indicated by the following claims.
It should be understood that the application is not limited to the precise structure that has been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.Scope of the present application is only limited by the accompanying claims.
Claims (7)
1. a kind of GIS detection device based on μ PMT combining ultrasonic sensor, which is characterized in that passed including flange, μ PMT, ultrasound
Sensor array, detection signal data WIFI transmitting station and sensor power supply device；Wherein:
The flange includes μ PMT mounting portion and ultrasonic sensor array mounting portion, and the μ PMT is fixed at the μ PMT peace
In dress portion, the ultrasonic sensor array is fixed at the ultrasonic sensor array mounting portion；
The ultrasonic sensor array includes several ultrasonic sensors and the ultrasonic sensing for connecting the ultrasonic sensor
Device link circuit；
The first plug is arranged in the top of the μ PMT mounting portion, and first plug is electrically connected the μ PMT；The ultrasonic sensing
Second plug is set on device array mounting portion, and second plug is electrically connected the ultrasonic sensor link circuit；
The detection signal data WIFI transmitting station and sensor power supply device pass through first plug respectively and are electrically connected the μ
PMT, the detection signal data WIFI transmitting station and sensor power supply device pass through respectively described in the second plug electrical connection
Ultrasonic sensor array.
2. the GIS detection device according to claim 1 based on μ PMT combining ultrasonic sensor, which is characterized in that described
Spiral groove is arranged in ultrasonic sensor array mounting portion, and the ultrasonic sensor array is arranged in the spiral groove.
3. the GIS detection device according to claim 2 based on μ PMT combining ultrasonic sensor, which is characterized in that described
Ultrasonic sensor array includes 16 ultrasonic sensors, and the ultrasonic sensor is uniformly distributed in the spiral groove.
4. the GIS detection device according to claim 1 based on μ PMT combining ultrasonic sensor, which is characterized in that the μ
PMT is mounted on the bottom of the μ PMT mounting portion, the end face on the surface of the μ PMT and the ultrasonic sensor array mounting portion
Concordantly.
5. the GIS detection device according to claim 2 based on μ PMT combining ultrasonic sensor, which is characterized in that described
Bracket is set in spiral groove, and the ultrasonic sensor, which is fixed by the bracket, to be connected in the spiral groove.
6. the GIS detection device according to claim 1 based on μ PMT combining ultrasonic sensor, which is characterized in that described
First plug and the second plug are respectively aviation plug.
7. a kind of GIS equipment partial discharge detection system based on GIS detection device, which is characterized in that the system comprises bases
In the GIS detection device and backstage diagnostic system of μ PMT combining ultrasonic sensor；Wherein:
The GIS detection device based on μ PMT combining ultrasonic sensor is that μ PMT is based on described in claim 1-6 any one
The GIS detection device of combining ultrasonic sensor；
The backstage diagnostic system receives the GIS detection device based on μ PMT combining ultrasonic sensor and obtains shelf depreciation light
Signal and ultrasonic signal are learned, noise signal is separated with discharge signal by MUSIC algorithm, using spatial orthogonality to putting
Electricity point is positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910594400.2A CN110174600A (en) | 2019-07-03 | 2019-07-03 | GIS detection device and application based on μ PMT combining ultrasonic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910594400.2A CN110174600A (en) | 2019-07-03 | 2019-07-03 | GIS detection device and application based on μ PMT combining ultrasonic sensor |
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| Publication Number | Publication Date |
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| CN110174600A true CN110174600A (en) | 2019-08-27 |
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| CN201910594400.2A Pending CN110174600A (en) | 2019-07-03 | 2019-07-03 | GIS detection device and application based on μ PMT combining ultrasonic sensor |
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Cited By (1)
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Application publication date: 20190827 |
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