CN209673940U - Sensor for GIS device defects detection - Google Patents
Sensor for GIS device defects detection Download PDFInfo
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- CN209673940U CN209673940U CN201822258448.XU CN201822258448U CN209673940U CN 209673940 U CN209673940 U CN 209673940U CN 201822258448 U CN201822258448 U CN 201822258448U CN 209673940 U CN209673940 U CN 209673940U
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- gis
- epoxy resin
- block
- sensor
- optical fiber
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 230000007547 defect Effects 0.000 title claims abstract description 20
- 239000003822 epoxy resin Substances 0.000 claims abstract description 57
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 57
- 239000013307 optical fiber Substances 0.000 claims abstract description 42
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 4
- 239000010426 asphalt Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 8
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model belongs to sensor technical field more particularly to a kind of sensor for GIS device defects detection, specifically a kind of electrical integrated sensor of built-in optical for GIS device partial discharge detection.Epoxy resin is connected to by extra-high video sensor and fluorescence optical fiber to build on block, epoxy resin is built block and is installed on a face of GIS cover board, N connector and fibre-optical splice are mounted on the another side of GIS cover board, one end of extra-high video sensor and fluorescence optical fiber passes through after epoxy resin builds block and GIS cover board, one end of extra-high video sensor is connect with N connector, and one end of fluorescence optical fiber is connect with fibre-optical splice；N connector, which is set by cable with terminal, to be connected, and fibre-optical splice is connect by cable with terminal device.The built-in compound sensor of the utility model, high sensitivity, good reliability is small in size, good seal performance, has while detecting the ability of ultrahigh-frequency signal and optical signal, greatly improves the reliability of detection efficiency and testing result.
Description
Technical field
The utility model belongs to sensor technical field more particularly to a kind of sensor for GIS device defects detection,
Specifically a kind of electrical integrated sensor of built-in optical for GIS device partial discharge detection.
Background technique
Gas-insulated switchgear GIS is because its reliability is high, the advantages that occupied area is small, maintenance is simple, the time between overhauls(TBO) is long
And it is widely used in power grid.Studies have shown that GIS device designs, manufacture, transports, some idols in installation process
Right factor will cause some congenital local defects, such as bubble, crack, levitated conductive particle and burr.These defects can be made
It is excessively high at GIS device some regions electric field strength, shelf depreciation will occur when being higher than the disruptive field intensity of dielectric.Part
Electric discharge is both the main reason for characterizing the characteristic quantity of GIS device insulation status and cause insulation degradation.Therefore, pass through part
Discharge examination can find insulation defect existing for GIS device inside in time, avoid equipment that sudden dielectric breakdown accident occurs,
This has a very important significance the safe and stable operation for guaranteeing GIS device and power grid.
Summary of the invention
For above-mentioned problems of the prior art, the utility model provides a kind of for GIS device defects detection
Sensor, not only the detection of superfrequency method can have been carried out to the shelf depreciation of GIS its purpose is to realize, and but also optics can have been carried out
The integrated built-in formula partial discharge sensor of detection, two methods can carry out simultaneously, can also separate the goal of the invention carried out.
For achieving the above object, the utility model adopts the following technical scheme that realize:
For the sensor of GIS device defects detection, it is characterized in that: being connected to ring by extra-high video sensor and fluorescence optical fiber
Oxygen resin is built on block, and epoxy resin is built block and is installed on a face of GIS cover board, and N connector and fibre-optical splice are mounted on GIS
On another face of cover board, one end of extra-high video sensor and fluorescence optical fiber is passed through after epoxy resin builds block and GIS cover board, extra-high
One end of video sensor is connect with N connector, and one end of fluorescence optical fiber is connect with fibre-optical splice；N connector passes through cable and end
End, which is set, to be connected, and fibre-optical splice is connect by cable with terminal device.
The extra-high video sensor is built-in ultrahigh frequency sensor, and extra-high video sensor and fluorescence optical fiber are cast in ring
Oxygen resin is built and is fixed on block, and epoxy resin builds one of face that block is installed on GIS cover board by multiple hexagon socket head cap screws
On.
The extra-high video sensor is made of an one metal wire, is intersected to spiral in the shape of a spiral and is looped around epoxy resin and builds block
Top, fluorescence optical fiber equally spirals in the shape of a spiral builds the top of block in epoxy resin, and the two is not interfered between each other.
The diameter of the high frequency sensors is 2.5mm-3.5mm, and the diameter of fluorescence optical fiber is 1mm-1.5mm, high frequency sensing
The diameter of device is greater than the diameter of fluorescence optical fiber.
One end of the high frequency sensors and fluorescence optical fiber is separately fixed at the top that epoxy resin builds block, and the other end hangs down
Direct puncture crosses epoxy resin and builds block and be pierced by from its bottom surface, builds block using epoxy resin and carries out casting fixation.
The epoxy resin builds a block generally cylinder, and extra-high video sensor is located at fluorescence optical fiber when due to test
The inside of GIS, therefore epoxy resin builds block bottom surface and is used to install sealing ring equipped with a seal groove, seal groove can be completely encapsulated in
The outer ring of extra-high video sensor and fluorescence optical fiber, to prevent from gas leakage from N connector and fibre-optical splice；One is equipped with around seal groove
Enclose counter sink.
It is by building the countersunk head on block in epoxy resin that the epoxy resin, which is built block and is fixed on one end of GIS cover board,
Hexagon socket head cap screw is arranged in hole to be attached；The hexagon socket head cap screw is plastic bolt, to prevent interference signal.
The GIS cover board is a rosette, and size and GIS device cooperate, and is installed on one end that epoxy resin builds block,
GIS cover board is equipped with a circle threaded hole, builds the cooperation of the counter sink in block with epoxy resin, builds for installing fixed epoxy resin
Block；It is externally provided with a circle annular seal groove around threaded hole, for installing sealing ring to prevent GIS device gas leakage；Annular seal groove
Outer ring be equipped with 6 through-holes, for GIS cover board is mounted in GIS device.
The N connector is installed in the countersunk head through-hole being located on GIS cover board, and countersunk head through-hole periphery is arranged with for fixing
The tapped blind hole A of N connector；Core after one of the extra-high video sensor passes through from the center of countersunk head through-hole, with N connector
Connection；Fibre-optical splice is installed in square through hole on the GIS cover board, is equipped with around square through hole and is used to fix fibre-optical splice
Tapped blind hole B；One of fluorescence optical fiber passes through square through hole and the core of fibre-optical splice connects.
The utility model has the advantage that
The built-in compound sensor of the utility model, high sensitivity have while detecting ultrahigh-frequency signal and optical signal
Ability, good reliability.Additionally, due to being integrated structure design, thus have the characteristics that it is small in size, extra-high video sensor with it is glimmering
Light optical fiber is fixed on epoxy resin pour, and epoxy resin pour is directly installed on GIS flange, does not change GIS device
Original structure and internal electric field distribution.Multi-sealed consideration, good seal performance.
GIS equipment partial discharge detection method is broadly divided into pulse current method, supercritical ultrasonics technology, chemical measure, extra-high
Frequency method and five kinds of optical detection.Wherein, superfrequency method detection range is most wide, and optical method interference free performance is most strong, and reliability is most
Height, the utility model combine two kinds of detection techniques, and the reliability of detection efficiency and testing result is greatly improved.This is practical
Novel the problem of also solving extra-high video sensor and optical sensor, can be widely applied to the interior of GIS insulation defect detection
Set formula optoelectronic integration partial discharge sensor.
Detailed description of the invention
Understand for the ease of those of ordinary skill in the art and implement the utility model, with reference to the accompanying drawing and is embodied
The present invention is described in further detail for mode, it is to be understood that protection scope of the present invention is not by specific embodiment
Limitation.
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the bottom view of Fig. 1；
Fig. 3 is the cross-sectional view of Fig. 2；
Fig. 4 is the cross-sectional view of another angle of Fig. 2；
Fig. 5 is the schematic diagram of poured with epoxy resin block, extra-high video sensor and fluorescence optical fiber；
Fig. 6 is the bottom view of Fig. 5；
Fig. 7 is GIS covering plate structure schematic diagram；
Fig. 8 is the bottom view of Fig. 7；
Fig. 9 is N connector schematic diagram；
Figure 10 is fibre-optical splice schematic diagram.
In figure: extra-high video sensor 1, fluorescence optical fiber 2, poured with epoxy resin block 3, N connector 4, fibre-optical splice 5, GIS lid
Plate 6, seal groove 7, counter sink 8, threaded hole 9, annular seal groove 11, through-hole 12, countersunk head through-hole 13, tapped blind hole A14 are rectangular logical
Hole 15, tapped blind hole B16, hexagon socket head cap screw 17.
Specific embodiment
As Figure 1-Figure 4, the utility model is a kind of sensor for GIS device defects detection, is that one kind is used for
The electrical integrated partial discharge sensor of the built-in optical of GIS partial discharge detection, including existing part N connector 4 and fibre-optical splice 5, this
Utility model is specifically all to be cast in epoxy resin by built-in ultrahigh frequency sensor 1 and fluorescence optical fiber 2 and built to be consolidated on block 3
Fixed, epoxy resin is built block 3 and is installed on one of face of GIS cover board 6 by multiple hexagon socket head cap screws, N connector 4 and optical fiber
Connector 5 is all installed on another face of GIS cover board 6, and one end of built-in ultrahigh frequency sensor 1 and fluorescence optical fiber 2 passes through ring
After oxygen resin builds block 3 and GIS cover board 6, extra-high video sensor 1 is connect with one end N connector 4, one end of fluorescence optical fiber 2 and light
Fine connector 5 connects, and when needing to carry out superfrequency test, N connector 4 is attached and can be surveyed with terminal device with cable
Examination, when needing to carry out optic test, connect fibre-optical splice 5 with terminal device and can be tested with cable, therefore the sensor
Not only the electromagnetic wave signal that can have incuded shelf depreciation generation carries out superfrequency detection, but also can carry out optics inspection by fluorescence optical fiber
It surveys, the two can carry out simultaneously, and can carry out respectively.
As shown in figures 3 to 6, built-in ultrahigh frequency sensor 1 is by the wire of a certain diameter in the utility model
Composition, intersection, which is spiraled, in the shape of a spiral is looped around the top that epoxy resin builds block 3, and fluorescence optical fiber 2 equally spirals in the shape of a spiral
Epoxy resin builds the top of block 3, and the two is not interfered between each other.The diameter of high frequency sensors 1 is thicker, about 2.5-3.5mm, glimmering
The diameter of light optical fiber 2 is thinner, about 1-1.5mm, and the diameter of high frequency sensors 1 is greater than the diameter of fluorescence optical fiber 2.
One end of the high frequency sensors 1 and fluorescence optical fiber 2 is separately fixed at the top that epoxy resin builds block 3, the other end
It passes perpendicularly through epoxy resin to build block 3 and be pierced by from its bottom surface, builds block 3 using epoxy resin and carry out casting fixation.
The epoxy resin builds the generally cylinder of block 3, extra-high video sensor 1 and fluorescence optical fiber 2 when due to test
Positioned at the inside of GIS, therefore epoxy resin builds 3 bottom surface of block and is used to install sealing ring equipped with a seal groove 7, and seal groove 7 wants energy
It is completely encapsulated in the outer ring of extra-high video sensor 1 and fluorescence optical fiber 2, to prevent from enclosing from gas leakage from N connector 4 and fibre-optical splice 5
One is equipped with around seal groove 7 and encloses public 6 counter sinks 8, for placing hexagon socket head cap screw, then recycles hexagon socket head cap screw asphalt mixtures modified by epoxy resin
Rouge is built block 3 and is fixed on one end of GIS cover board 6, and hexagon socket head cap screw uses plastic bolt herein, to prevent interference letter
Number.
As shown in Fig. 7-Figure 10, GIS cover board 6 is a rosette in the utility model, and size and GIS device cooperate,
It is installed on one end that epoxy resin builds block 3, GIS cover board 6 is equipped with a circle totally 6 threaded holes 9, builds in block 3 with epoxy resin
Counter sink 8 cooperates, and builds block 3 for installing fixed epoxy resin.It is externally provided with a circle annular seal groove 11 around threaded hole 9, is used to
Sealing ring is installed to prevent GIS device gas leakage.The outer ring of annular seal groove 11 is equipped with 6 through-holes 12, is used to GIS cover board 6
It is mounted in GIS device.
N connector 4 and fibre-optical splice 5 are installed on another face of GIS cover board 6, in left and right distribution, installation N-type is connect
First 4 place is a countersunk head through-hole 13 for being located at GIS cover board 6 and being, there are four tapped blind holes for the peripheral winding of countersunk head through-hole 13
A14.One of extra-high video sensor 1 after passing through from the center of countersunk head through-hole 13, connect, tapped blind hole with the core of N connector 4
A14 is used to fix N connector 4.The position for installing fibre-optical splice 5 is a square through hole 15 being located on GIS cover board 6, is surrounded
Square through hole 15 is set there are two tapped blind hole B16, and equally, one of fluorescence optical fiber 2 passes through square through hole 15 and fibre-optical splice 5
Core connection, two tapped blind hole B16 are used to fix fibre-optical splice 5.
The detailed installation situation of all parts of the present invention is as follows:
Built-in ultrahigh frequency sensor: spiraling be fixed on epoxy resin pour in the shape of a spiral, and one passes through asphalt mixtures modified by epoxy resin
Rouge pour is connect with N connector；
Fluorescence optical fiber: spiraling be fixed on epoxy resin pour in the shape of a spiral, one pass through epoxy resin pour with
Fibre-optical splice connection；
Epoxy resin pour: whole after the completion of fixed by being poured fixed built-in ultrahigh frequency sensor and fluorescence optical fiber
Body is mounted on GIS cover board；
N connector: being fixed on GIS cover board, and core is connect with extra-high video sensor；
Fibre-optical splice: it is fixed on GIS cover board, core is connect with fluorescence optical fiber；
After all components are installed, GIS cover board is installed on GIS flange.
Claims (9)
1. the sensor of GIS device defects detection is used for, it is characterized in that: being connect by extra-high video sensor (1) with fluorescence optical fiber (2)
It is built on block (3) in epoxy resin, epoxy resin is built block (3) and is installed on a face of GIS cover board (6), N connector (4) and light
Fine connector (5) is mounted on another face of GIS cover board (6), and extra-high video sensor (1) and one end of fluorescence optical fiber (2) are worn
It crosses after epoxy resin builds block (3) and GIS cover board (6), one end of extra-high video sensor (1) is connect with N connector (4), fluorescence light
The one end of fine (2) is connect with fibre-optical splice (5)；N connector (4), which is set by cable with terminal, to be connected, and fibre-optical splice (5) passes through
Cable is connect with terminal device.
2. the sensor according to claim 1 for GIS device defects detection, it is characterized in that: the superfrequency senses
Device (1) is built-in ultrahigh frequency sensor, and extra-high video sensor (1) and fluorescence optical fiber (2) are cast in epoxy resin and build block (3)
On be fixed, epoxy resin is built block (3) and is installed on one of face of GIS cover board (6) by multiple hexagon socket head cap screws.
3. the sensor according to claim 1 for GIS device defects detection, it is characterized in that: the superfrequency senses
Device (1) is made of an one metal wire, and intersection, which is spiraled, in the shape of a spiral is looped around the top that epoxy resin builds block (3), fluorescence optical fiber
(2) it equally spirals in the shape of a spiral and builds the top of block (3) in epoxy resin, the two is not interfered between each other.
4. the sensor according to claim 1 for GIS device defects detection, it is characterized in that: the high frequency sensors
(1) diameter is 2.5mm-3.5mm, and the diameter of fluorescence optical fiber (2) is 1mm-1.5mm, and the diameter of high frequency sensors (1) is greater than glimmering
The diameter of light optical fiber (2).
5. the sensor according to claim 1 for GIS device defects detection, it is characterized in that: the high frequency sensors
(1) and one end of fluorescence optical fiber (2) is separately fixed at the top that epoxy resin builds block (3), and the other end passes perpendicularly through asphalt mixtures modified by epoxy resin
Rouge is built block (3) and is pierced by from its bottom surface, builds block (3) using epoxy resin and carries out casting fixation.
6. the sensor according to claim 1 for GIS device defects detection, it is characterized in that: the epoxy resin is built
Block (3) generally cylinder, extra-high video sensor (1) and fluorescence optical fiber (2) are located at the inside of GIS when due to test, therefore
Epoxy resin builds block (3) bottom surface and is used to install sealing ring equipped with a seal groove (7), and seal groove (7) can be completely encapsulated in spy
The outer ring of high frequency sensors (1) and fluorescence optical fiber (2), to prevent from gas leakage at N connector (4) and fibre-optical splice (5)；Around close
Sealing groove (7) is equipped with circle counter sink (8).
7. the sensor according to claim 1 for GIS device defects detection, it is characterized in that: the epoxy resin is built
It is by being built in the counter sink (8) on block (3) in epoxy resin in setting that block (3), which is fixed on one end of GIS cover board (6),
Hex bolts is attached；The hexagon socket head cap screw is plastic bolt, to prevent interference signal.
8. the sensor according to claim 1 for GIS device defects detection, it is characterized in that: the GIS cover board (6)
For a rosette, size and GIS device cooperate, and are installed on one end that epoxy resin builds block (3), GIS cover board (6) is equipped with
One circle threaded hole (9) builds the cooperation of the counter sink (8) in block (3) with epoxy resin, builds block (3) for installing fixed epoxy resin；
It is externally provided with a circle annular seal groove (11) around threaded hole (9), for installing sealing ring to prevent GIS device gas leakage；Annular is close
The outer ring of sealing groove (11) is equipped with 6 through-holes (12), and GIS cover board (6) is used to be mounted in GIS device.
9. the sensor according to claim 1 for GIS device defects detection, it is characterized in that: the N connector (4)
It is installed in the countersunk head through-hole (13) being located on GIS cover board (6), countersunk head through-hole (13) periphery is arranged with for fixing N connector
(4) tapped blind hole A(14)；After one of the extra-high video sensor (1) passes through from the center of countersunk head through-hole (13), with N-type
The core of connector (4) connects；Fibre-optical splice (5) are installed in square through hole (15) on the GIS cover board (6), around rectangular logical
Hole (15) is equipped with the tapped blind hole B(16 for being used to fix fibre-optical splice (5))；One of fluorescence optical fiber (2) passes through square through hole
(15) it is connect with the core of fibre-optical splice (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822258448.XU CN209673940U (en) | 2018-12-30 | 2018-12-30 | Sensor for GIS device defects detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822258448.XU CN209673940U (en) | 2018-12-30 | 2018-12-30 | Sensor for GIS device defects detection |
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| Publication Number | Publication Date |
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| CN209673940U true CN209673940U (en) | 2019-11-22 |
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ID=68564390
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-12-30 CN CN201822258448.XU patent/CN209673940U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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