CN107329054A - The compound sensor detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect - Google Patents
The compound sensor detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect Download PDFInfo
- Publication number
- CN107329054A CN107329054A CN201710546252.8A CN201710546252A CN107329054A CN 107329054 A CN107329054 A CN 107329054A CN 201710546252 A CN201710546252 A CN 201710546252A CN 107329054 A CN107329054 A CN 107329054A
- Authority
- CN
- China
- Prior art keywords
- sensor
- face
- extra
- cover plate
- high video
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 150000001875 compounds Chemical class 0.000 title claims abstract description 63
- 230000007547 defect Effects 0.000 title claims abstract description 30
- 238000009413 insulation Methods 0.000 title claims abstract description 28
- 239000013307 optical fiber Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 12
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 42
- 230000003287 optical effect Effects 0.000 abstract description 16
- 230000035945 sensitivity Effects 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- G01R31/1254—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 gas-insulated power appliances or vacuum gaps
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a kind of compound sensor detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect, including：There is first end face and second end face on cover plate, its axial direction；Extra-high video sensor, it is in the second end face；Fluorescence optical fiber, its coiled coil located at the extra-high video sensor end face where plane in；Superfrequency sensor connector, it is connected in the first end face with the extra-high video sensor；Fibre-optical splice, it is connected in the first end face with the fluorescence optical fiber.Compound sensor of the present invention both has extra-high video sensor, and fluorescence optical fiber is provided with again, possesses the ability for detecting ultrahigh-frequency signal and optical signal simultaneously, and detection sensitivity is high, testing result good reliability.
Description
Technical field
The present invention relates to sensor, the sensor detected particularly for gas-insulating and fully-enclosed combined electrical apparatus.
Background technology
With continuing to develop for national economy and being continuously increased for China's power system scale, to the security of operation of power networks
Increasingly improved with reliability requirement.The safe operation of power network, depends primarily on the safe operation of high-tension electricity equipment, and electric power is set
Standby operational reliability be largely dependent upon power equipment manufacture and install quality and equipment operation maintenance and
Necessary precaution experiment etc..
Gas-insulated switchgear (GIS) is high because of its reliability, and floor space is small, maintenance is simple, time between overhauls(TBO) length etc. is excellent
Put and be widely used in power network.Research shows, some in GIS device design, manufacture, transport, installation process
Accidentalia can cause some congenital local defects, such as bubble, crack, levitated conductive particle and burr.These defect meetings
Cause GIS device some regions electric-field intensity too high, will occur shelf depreciation when the disruptive field intensity higher than dielectric.Office
Portion's electric discharge is both the characteristic quantity for characterizing GIS device insulation status, is the main cause for causing insulation degradation again.Pass through shelf depreciation
Detection, the insulation defect existed inside GIS device can be found in time, it is to avoid sudden dielectric breakdown accident occurs for equipment, and this is right
Ensure that the safe and stable operation tool of GIS device and power network is of great significance.
Detection method for local discharge is broadly divided into pulse current method, supercritical ultrasonics technology, chemical measure, superfrequency method and light
Learn five kinds of detection method.Optical detection is to judge whether equipment there occurs office by detecting the luminescence phenomenon inside power equipment
Discharge in portion.When shelf depreciation occurs for GIS device, various ionization, the radiation for being accompanied by light is excited and be combined, luminous is also locally
One feature of electric discharge.The superfrequency and ultrasonic detection method commonly used at present relatively, optical detection are used to detect GIS device
There are some obvious advantages during internal partial discharge：1) due to detection it is luminescence phenomenon, is not disturbed by electromagnetic environment, vibration equipment class
The influence of interference, with excellent interference free performance；2) because GIS device is totally enclosed structure, do not deposited inside GIS device
In outside jamming light source, the validity of optical detection result can be further improved.In addition, from the point of view of Cleaning Principle, optical detection
Method has the detection sensitivity better than other methods such as superfrequencies in itself, thus, with the fast development of optical sensing technology, base
There is good development and application prospect in optical GIS partial discharge detections technology, be that following one, partial discharge detection field is important
Research direction.
In existing detection technique, superfrequency method detection range is most wide, and optical method interference free performance is most strong, and reliability is most
Height, if two kinds of detection techniques combined, it will the reliability of detection efficiency and testing result is greatly improved, but will
Two kinds of detection techniques combine, the problem of key issue for first having to solution is extra-high video sensor and optical sensor.
The content of the invention
It is an object of the invention to provide a kind of compound biography detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
Sensor, the compound sensor both can carry out superfrequency method detection to shelf depreciation, and optical detection, two kinds of detections can be carried out again
Method can be carried out simultaneously, can also separate carry out so that improve using the detection technique of the sensor detection range and
Reliability.
Based on above-mentioned purpose, it is used for what gas-insulating and fully-enclosed combined electrical apparatus insulation defect was detected the invention provides a kind of
Compound sensor, including：
There is first end face and second end face on cover plate, its axial direction；
Extra-high video sensor, it is in the second end face；
Fluorescence optical fiber, its coiled coil located at the extra-high video sensor end face where plane in；
Superfrequency sensor connector, it is connected in the first end face with the extra-high video sensor；
Fibre-optical splice, it is connected in the first end face with the fluorescence optical fiber.
Working condition when being connected with reference to compound sensor of the present invention with test equipment is to of the present invention multiple
The operation principle for closing sensor is further elaborated：
During work, superfrequency tactility apparatus joint is connected with extra-high video sensor, the electromagnetic wave letter that sensing shelf depreciation is produced
Number superfrequency detection is carried out, while fibre-optical splice is connected with fluorescence optical fiber, by fluorescence optical fiber progress optical detection, so that
Superfrequency detection can be carried out simultaneously with optical detection.
Further, since compound sensor of the present invention is located at the end of high frequency sensors using fluorescence optical fiber coiled coil
In plane where face, thus, sensitive volume is wide, and Detection results are good, and sensitivity is high.
Further, in compound sensor of the present invention, the extra-high video sensor includes：
The antenna of round metal plate-like, the center of the antenna is provided with screwed hole of centre；
Connecting column, it is embedded in the screwed hole of centre, and the connecting column is connected with extra-high video sensor；
Several shorting pins, its circumference along the antenna is uniformly distributed, and one end and the antenna of the shorting pin connect
Connect, its other end is connected with cover plate；
Dielectric layer, it is wrapped in the periphery of the antenna.
In such scheme, connecting column is using the good material of electric conductivity, such as copper.
Be provided with some other embodiments, in screwed hole of centre in seal groove, seal groove is used for provided with sealing ring
Prevent gas from the junction internal leakage of superfrequency sensor connector.
Further, in compound sensor of the present invention, the dielectric layer is contacted with the second end face of cover plate
Sealing ring is provided with the first seal groove of the face provided with annular, first seal groove.In compound sensor of the present invention
In, set seal groove and sealing ring to be to improve the sealing of described compound sensor, prevent gas-insulated switchgear
Internal gas leakage comes out, so as to influence the testing result of compound sensor.
Further, in compound sensor of the present invention, the dielectric layer is epoxy resin medium layer.
Further, in compound sensor of the present invention, the superfrequency sensor connector is N connector, institute
N connector is stated to be connected with superfrequency sensor threads.
Further, in compound sensor of the present invention, spiral is offered on the axial end of the dielectric layer
Groove, the fluorescence optical fiber in the helicla flute so that its coiled coil where the end face of the extra-high video sensor
In plane.
In such scheme, dielectric layer further functions as the effect of further fixed fluorescence optical fiber, in addition, using fluorescence optical fiber
Be conducive to saving space in helicla flute, reduce compound sensor volume, improve the portability of compound sensor.
Further, in compound sensor of the present invention, the cover plate is rosette cover plate.
Further, in compound sensor of the present invention, offer and set along its circumferential direction on the cover plate
Several through holes, the through hole be used for the connector that cover plate is connected with measurement equipment to be checked is set.
Further, in compound sensor of the present invention, the second end face of the cover plate is provided with the second sealing
Groove, second seal groove is located at the periphery of extra-high video sensor.
Further, in compound sensor of the present invention, second seal groove is at least provided with two.
It is of the present invention for gas-insulating and fully-enclosed combined electrical apparatus insulation defect detect compound sensor have with
Lower advantage：
(1) compound sensor of the present invention both has extra-high video sensor, and fluorescence optical fiber is provided with again, possesses and examines simultaneously
The ability of ultrahigh-frequency signal and optical signal is surveyed, and detection sensitivity is high, testing result good reliability；
(2) compound sensor of the present invention uses integrated structure design, thus its small volume, it is easy to exhausted with gas
Edge switchgear flange plate is integrated, so as to be directly installed on gas-insulated switchgear flange, is not changed
Gas-insulated switchgear original structure and internal electric field distribution；
(3) compound sensor of the present invention has multi-sealed design, and sealing property is excellent.
Further, since compound sensor of the present invention is located at the end of high frequency sensors using fluorescence optical fiber coiled coil
In plane where face, thus, sensitive volume is wide, and Detection results are good, and sensitivity is high.
Brief description of the drawings
Fig. 1 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
A kind of overall structure diagram under embodiment.
Fig. 2 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
A kind of overall structure diagram under another visual angle under embodiment.
Fig. 3 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
A kind of fluorescence optical fiber under embodiment is arranged on the schematic diagram of extra-high video sensor.
Fig. 4 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
A kind of fluorescence optical fiber under embodiment is arranged on the schematic diagram under another visual angle of extra-high video sensor.
Fig. 5 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
A kind of fluorescence optical fiber under embodiment splits rear internal structure schematic diagram installed in extra-high video sensor along center line.
Fig. 6 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
A kind of structural representation of superfrequency sensor connector under embodiment.
Fig. 7 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
A kind of structural representation of fibre-optical splice under embodiment.
Fig. 8 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
A kind of structural representation of cover plate under embodiment.
Fig. 9 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
Structural representation of the cover plate under another visual angle a kind of under embodiment.
Embodiment
Technical solutions according to the invention are further illustrated with reference to Figure of description and embodiment.
Fig. 1 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
A kind of overall structure diagram under embodiment.Fig. 2 is of the present invention exhausted for gas-insulating and fully-enclosed combined electrical apparatus
Overall structure diagram under a kind of another visual angle of the compound sensor of edge defects detection under embodiment.
As shown in figure 1, simultaneously combining when necessary in Fig. 2, present embodiment is used for gas-insulating and fully-enclosed combined electrical apparatus
The compound sensor of insulation defect detection includes：There is first end face I and second end face II on cover plate 20, its axial direction；It is special
High frequency sensors 10, it is on second end face II；Superfrequency sensor connector 40, its on the first end face I, and with it is extra-high
Video sensor 10 is connected；Fibre-optical splice 50, it is also on first end face I, and be connected with fluorescence optical fiber 30.
Understood with reference to Fig. 2, extra-high video sensor 10, the helical disk of fluorescence optical fiber 30 are provided with the second end face II of cover plate 20
Around ground in the plane where the end face of extra-high video sensor 10.
Fig. 3 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
A kind of fluorescence optical fiber under embodiment is arranged on the schematic diagram of extra-high video sensor.Fig. 4 is used for gas to be of the present invention
A kind of fluorescence optical fiber of the compound sensor of insulated full-enclosed combined electrical apparatus insulation defect detection under embodiment is arranged on spy
Schematic diagram under another visual angle of high frequency sensors.Fig. 5 is of the present invention exhausted for gas-insulating and fully-enclosed combined electrical apparatus
A kind of fluorescence optical fiber of the compound sensor of edge defects detection under embodiment is cutd open installed in extra-high video sensor along center line
Open rear internal structure schematic diagram.
With reference to Fig. 3 to Fig. 5, to the connection side of fluorescence optical fiber in compound sensor of the present invention and extra-high video sensor
Formula and the structure of extra-high video sensor are described further.
As shown in figure 5, simultaneously combining Fig. 3 when necessary to Fig. 4, extra-high video sensor 10 includes：The antenna of round metal plate-like
101, the center of antenna 101 is provided with screwed hole of centre 103；Connecting column 102, it is embedded in screwed hole of centre 103, connecting column
102 are connected with extra-high video sensor 10, and the tail end of connecting column is internal thread 106, for connecting superfrequency sensor connector 40；If
A dry shorting pin 104, its circumference along antenna 101 is uniformly distributed, and one end of shorting pin 104 is connected with antenna 101, and its is another
One end is connected with cover plate；Dielectric layer 105, it is wrapped in the periphery of antenna 101.
With further reference to Fig. 5 as can be seen that offering helicla flute 62 on the axial end of dielectric layer 105, fluorescence optical fiber 30
In the helicla flute 62 so that its coiled coil in the plane where the end face of extra-high video sensor 10.
In addition, can be seen that the helicla flute that the one end of fluorescence optical fiber 30 is embedded at extra-high video sensor 10 with reference to Fig. 3 and Fig. 4
In 62, fluorescence optical fiber coiled coil in the plane where the end face of extra-high video sensor, the other end is kept pouring in through extra-high
Sensor 10 protrudes from extra-high video sensor outer end, and is connected with fibre-optical splice (not shown).
With further reference to Fig. 3 as can be seen that dielectric layer contacts the of II face provided with annular with the second end face of cover plate
Sealing ring is provided with one seal groove 61, the first seal groove 61.
It should be noted that in the present embodiment, dielectric layer 105 is epoxy resin medium layer, fluorescence optical fiber passes through ring
Oxygen tree fat is further secured to extra-high video sensor；Connecting column 102 is using the good material of electric conductivity, such as copper.
It is provided with seal groove, seal groove and is used provided with sealing ring in some other embodiments, in screwed hole of centre 103
In preventing gas from the junction internal leakage with superfrequency sensor connector 40.
Fig. 6 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
A kind of structural representation of superfrequency sensor connector under embodiment.
As shown in fig. 6, the superfrequency sensor connector 40 in present embodiment is N connector, extra-high video sensor 40 leads to
Cross fixed plate 401 to be connected with cover plate, fixed plate 401 is provided with the first connecting hole, and for inserting screw, extra-high video sensor is connect
First 40 are fixed on cover plate.Joint 40 also has external screw thread 402, for realizing spiral shell with the internal thread 106 in extra-high video sensor
Line is connected.
Fig. 7 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
A kind of structural representation of fibre-optical splice under embodiment.
As shown in fig. 7, one end of the fibre-optical splice 50 in present embodiment has screw thread 501, it is used for and optical signal detecting
Equipment is connected；The other end of fibre-optical splice 50 is rectangular shape end 504, for fibre-optical splice 50 to be fixed on into cover plate.This
Outside, through hole 502 centered on the center of fibre-optical splice, for inserting fluorescence optical fiber.
With further reference to Fig. 7 as can be seen that fibre-optical splice has on two jags, jag at screw thread 501
Provided with the second connecting hole 503, the connection of fibre-optical splice and cover plate is reinforced for inserting screw.
Fig. 8 exists for the compound sensor of the present invention detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect
A kind of structural representation of cover plate under embodiment.Fig. 9 is used for gas-insulating and fully-enclosed combined electrical apparatus to be of the present invention
A kind of cover plate structural representation under another visual angle of the compound sensor of insulation defect detection under embodiment.
As shown in figure 8, simultaneously combining Fig. 9 when necessary, cover plate 20 is to be offered on rosette cover plate, cover plate 20 along its week
Several through holes 201 set to direction, through hole 201 is used to set the connector that cover plate 20 is connected with measurement equipment to be checked.
With further reference to Fig. 8 as can be seen that the first hole III is provided with cover plate first end face I, for being kept pouring in extra-high
Sensor joint is connected.In addition, the second hole IV is additionally provided with cover plate first end face I, for being connected with fibre-optical splice.
It should be noted that in the present embodiment, the first hole III peripheries circumference is provided with screwed hole, for phase
Corresponding screw is threadedly coupled, and reinforces the connection with superfrequency sensor connector.In addition, being provided with spiral shell around the second hole IV
Pit, is also used for being threadedly coupled with corresponding screw, reinforces the connection with fibre-optical splice.
As shown in figure 9, the second end face II of cover plate 20 is provided with the second seal groove 63, the second seal groove 63 is located at superfrequency
The periphery of sensor.In the present embodiment, the second seal groove 63 is provided with two, for preventing gas from leaking, it is ensured that detection knot
The reliability of fruit.The 3rd hole V in Fig. 9, for being connected with extra-high video sensor.
With reference to Fig. 1 to Fig. 9, answered for gas-insulating and fully-enclosed combined electrical apparatus insulation defect detection of the present invention
The operation principle for closing sensor is further described：
During work, in compound sensor of the present invention, extra-high video sensor 10, superfrequency sensor connector 40 with
And fibre-optical splice 50 is on cover plate 20.Wherein, it is located at where the extra-high video sensor coiled coil of fluorescence optical fiber 30
In plane.Sealing ring is set on first seal groove 61, the second seal groove 63, to cause compound sensor of the present invention to have
Good sealing effectiveness.
After the completion of above-mentioned each part is fixedly mounted, cover plate 1 is installed on gas-insulated switchgear flange, by logical
Hole 201 is fixedly connected with external detection device, is set using superfrequency sensor connector 40 and fibre-optical splice 30 with external detection
Standby connection, you can carry out the detection of superfrequency and optical signal.
Compound sensor of the present invention both has extra-high video sensor, and fluorescence optical fiber is provided with again, possesses and detects simultaneously
The ability of ultrahigh-frequency signal and optical signal, and detection sensitivity is high, testing result good reliability；In addition, of the present invention
Compound sensor uses integrated structure design, thus its small volume, it is easy to integrated with gas-insulated switchgear flange plate
Together, so as to be directly installed on gas-insulated switchgear flange, the original knot of gas-insulated switchgear is not changed
Structure and internal electric field distribution；Further, since compound sensor of the present invention is located at high frequency using fluorescence optical fiber coiled coil
In plane where the end face of sensor, thus, sensitive volume is wide, and Detection results are good, and sensitivity is high.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention
Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. a kind of compound sensor detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect, it is characterised in that including：
There is first end face and second end face on cover plate, its axial direction；
Extra-high video sensor, it is in the second end face；
Fluorescence optical fiber, its coiled coil located at the extra-high video sensor end face where plane in；
Superfrequency sensor connector, it is connected in the first end face with the extra-high video sensor；
Fibre-optical splice, it is connected in the first end face with the fluorescence optical fiber.
2. compound sensor as claimed in claim 1, it is characterised in that the extra-high video sensor includes：
The antenna of round metal plate-like, the center of the antenna is provided with screwed hole of centre；
Connecting column, it is embedded in the screwed hole of centre, and the connecting column is connected with extra-high video sensor；
Several shorting pins, its circumference along the antenna is uniformly distributed, and one end of the shorting pin is connected with antenna, its
The other end is connected with cover plate；
Dielectric layer, it is wrapped in the periphery of the antenna.
3. compound sensor as claimed in claim 2, it is characterised in that the dielectric layer is contacted with the second end face of cover plate
Sealing ring is provided with the first seal groove of the face provided with annular, first seal groove.
4. compound sensor as claimed in claim 2, it is characterised in that the dielectric layer is epoxy resin medium layer.
5. compound sensor as claimed in claim 1, it is characterised in that the superfrequency sensor connector is N connector, institute
N connector is stated to be connected with superfrequency sensor threads.
6. compound sensor as claimed in claim 2, it is characterised in that offer spiral on the axial end of the dielectric layer
Groove, the fluorescence optical fiber in the helicla flute so that its coiled coil where the end face of the extra-high video sensor
In plane.
7. compound sensor as claimed in claim 1, it is characterised in that the cover plate is rosette cover plate.
8. compound sensor as claimed in claim 7, it is characterised in that offer and set along its circumferential direction on the cover plate
Several through holes, the through hole be used for the connector that cover plate is connected with measurement equipment to be checked is set.
9. compound sensor as claimed in claim 1, it is characterised in that the second end face of the cover plate is provided with the second sealing
Groove, second seal groove is located at the periphery of extra-high video sensor.
10. compound sensor as claimed in claim 9, it is characterised in that second seal groove is at least provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710546252.8A CN107329054A (en) | 2017-07-06 | 2017-07-06 | The compound sensor detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710546252.8A CN107329054A (en) | 2017-07-06 | 2017-07-06 | The compound sensor detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107329054A true CN107329054A (en) | 2017-11-07 |
Family
ID=60196095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710546252.8A Pending CN107329054A (en) | 2017-07-06 | 2017-07-06 | The compound sensor detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107329054A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535609A (en) * | 2018-03-05 | 2018-09-14 | 上海交通大学 | A kind of PCB antenna and the external acoustic-electric compound sensor for the detection of GIS insulation defects |
| CN109655724A (en) * | 2018-12-30 | 2019-04-19 | 国网辽宁省电力有限公司电力科学研究院 | Sensor for GIS device defects detection |
| CN110988623A (en) * | 2019-12-04 | 2020-04-10 | 上海大学 | Partial discharge sensing detection system of quartz fluorescent optical fiber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251960A (en) * | 2013-06-27 | 2014-12-31 | 国家电网公司 | Ultrahigh-frequency signal detection device and partial discharge detection device |
| CN205749788U (en) * | 2016-06-21 | 2016-11-30 | 上海驹电电气科技有限公司 | A kind of built-in superfrequency sensor for partial discharge of transformer detection |
| CN106291288A (en) * | 2016-09-20 | 2017-01-04 | 国网上海市电力公司 | Partial-discharge ultrahigh-frequency optical pulse detecting method and system in intrusive mood transformer oil |
| CN207007996U (en) * | 2017-07-06 | 2018-02-13 | 上海交通大学 | Compound sensor for the detection of gas-insulating and fully-enclosed combined electrical apparatus insulation defect |
-
2017
- 2017-07-06 CN CN201710546252.8A patent/CN107329054A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251960A (en) * | 2013-06-27 | 2014-12-31 | 国家电网公司 | Ultrahigh-frequency signal detection device and partial discharge detection device |
| CN205749788U (en) * | 2016-06-21 | 2016-11-30 | 上海驹电电气科技有限公司 | A kind of built-in superfrequency sensor for partial discharge of transformer detection |
| CN106291288A (en) * | 2016-09-20 | 2017-01-04 | 国网上海市电力公司 | Partial-discharge ultrahigh-frequency optical pulse detecting method and system in intrusive mood transformer oil |
| CN207007996U (en) * | 2017-07-06 | 2018-02-13 | 上海交通大学 | Compound sensor for the detection of gas-insulating and fully-enclosed combined electrical apparatus insulation defect |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535609A (en) * | 2018-03-05 | 2018-09-14 | 上海交通大学 | A kind of PCB antenna and the external acoustic-electric compound sensor for the detection of GIS insulation defects |
| CN108535609B (en) * | 2018-03-05 | 2023-08-11 | 上海交通大学 | PCB antenna and external acoustic-electric composite sensor for GIS insulation defect detection |
| CN109655724A (en) * | 2018-12-30 | 2019-04-19 | 国网辽宁省电力有限公司电力科学研究院 | Sensor for GIS device defects detection |
| CN110988623A (en) * | 2019-12-04 | 2020-04-10 | 上海大学 | Partial discharge sensing detection system of quartz fluorescent optical fiber |
| CN110988623B (en) * | 2019-12-04 | 2023-02-10 | 上海大学 | Partial discharge sensing detection system of quartz fluorescent optical fiber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107329054A (en) | The compound sensor detected for gas-insulating and fully-enclosed combined electrical apparatus insulation defect | |
| CN102175950A (en) | Mobile field partial discharge source visual detection method for GIS (gas insulated switchgear) | |
| CN107505551B (en) | Gas insulated switchgear ultrahigh frequency sensor arrangement test device and application | |
| CN107247223A (en) | The electrical integrated sensor of built-in optical that insulation defect for gas-insulated switchgear is detected | |
| CN108776272A (en) | A kind of test system of frequency conversion equipment Electro Magnetic Compatibility | |
| KR101180250B1 (en) | Partial Discharge Measuring Device for Superconducting Power Apparatus and Method thereof | |
| CN106370986A (en) | Switch cabinet partial discharge monitoring method | |
| CN108181597A (en) | A kind of GIS ultrahigh frequency local discharge sensor field test method | |
| CN109799432B (en) | Electrical equipment discharge fault positioning device | |
| CN206696387U (en) | External extra-high video sensor for GIS partial discharge detection | |
| CN205484666U (en) | Sensor is put in built -in ultrasonic wave office | |
| CN207007996U (en) | Compound sensor for the detection of gas-insulating and fully-enclosed combined electrical apparatus insulation defect | |
| KR100477505B1 (en) | Antenna covered or molded with insulating safety cover for detecting partial discharge | |
| CN108169647A (en) | A kind of PD meter for being used to detect high-tension switch cabinet | |
| CN204649905U (en) | Based on the superfrequency sensor of metal disc insulator perforate | |
| CN211043557U (en) | Signal coupling antenna for ultrahigh frequency partial discharge sensor and sensor | |
| CN207007991U (en) | Built-in optic probe for gas-insulated switchgear Partial Discharge Detection | |
| CN207301238U (en) | The electrical integrated sensor of built-in optical for insulation defect detection | |
| CN207074247U (en) | A kind of optic probe for GIS Inner Defect Testings | |
| CN109655724A (en) | Sensor for GIS device defects detection | |
| CN206945895U (en) | A kind of compound sensor for cable detection | |
| CN206223911U (en) | Cross-inked polyethylene power cable insulation defect characteristic gas detecting system | |
| CN207164194U (en) | Acoustic-electric compound sensor for GIS partial discharge detection | |
| CN108645533A (en) | GIS contact temperatures monitoring system based on surface acoustic wave techniques and monitoring method | |
| CN207780166U (en) | Sensor for the detection of gas-insulating and fully-enclosed combined electrical apparatus insulation defect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171107 |
|
| WD01 | Invention patent application deemed withdrawn after publication |