CN205507014U - GIS partial discharge detector's UHF sensor - Google Patents
GIS partial discharge detector's UHF sensor Download PDFInfo
- Publication number
- CN205507014U CN205507014U CN201620336407.6U CN201620336407U CN205507014U CN 205507014 U CN205507014 U CN 205507014U CN 201620336407 U CN201620336407 U CN 201620336407U CN 205507014 U CN205507014 U CN 205507014U
- Authority
- CN
- China
- Prior art keywords
- built
- dielectric layer
- partial discharge
- transmission
- hole
- 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.)
- Expired - Fee Related
Links
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The utility model discloses a GIS partial discharge detector's UHF sensor, include: built -in disc and the epoxy dielectric layer received, epoxy dielectric layer set up in the built -in disc bottom of receiving, and epoxy dielectric layer top surface is hugged closely with the built -in disc bottom surface of receiving, and epoxy dielectric layer middle part is equipped with the transmission through -hole, the ground connection flange, ground connection flange middle part sets up connect the via hole, the transmission pole, transmission pole bottom sets up in transmissive hole, and transmission through -hole and connect the via hole are passed in proper order to transmission pole middle part, and transmission pole bottom rigid coupling is equipped with the cable that is used for signal transmission. The utility model provides a GIS partial discharge detector's UHF sensor, the effectual partial discharge who monitors in the GIS to epoxy dielectric layer and ground connection flange, the effectual isolation effect that plays is avoided external and is disturbed built -in measuring of receiving the disc, makes the testing result more accurate, goes out signal transfer through the transmission pole at last. Compared with the prior art, this technical scheme has the detection frequency channel of broad, higher sensitivity and interference killing feature.
Description
Technical field
This utility model relates to Electric Power Equipment Insulation condition diagnosing technical field, particularly relates to one
Plant the type UHF sensor of GIS partial discharge detection.
Background technology
Fully closed combined electric unit (GIS) interior shelf depreciation has the breakdown characteristics being exceedingly fast, and its pulse is held
Continuing the time extremely short (the most a few nanosecond), the rise time of wave head is only about 1ns, and this have
During rapid increase, the partial discharge pulse on edge can inspire superfrequency electromagnetic wave, therefore can pass through
GIS device is installed superfrequency sensor and detects the shelf depreciation that GIS produces.
Most GIS manufacturing firms all have employed the disc insulator of band metal flange in recent years, makes
Electromagnetic wave is difficult to travel to outside GIS, thus is difficult to inspection with external sensor outside GIS
Measure signal.
Therefore, how can effectively receive GIS partial discharge signal, to be those skilled in the art
Need badly and solve the technical problem that.
Utility model content
The purpose of this utility model is to provide the type UHF sensor of a kind of GIS partial discharge detection,
Can effectively receive GIS partial discharge signal, and ultrahigh frequency electromagnetic wave signal can be responded,
And there is sufficiently high sensitivity.
For solving above-mentioned technical problem, this utility model embodiment provides a kind of GIS local
The type UHF sensor of discharge examination, including:
Built-in reception disk, described built-in reception disk is used for detecting GIS partial discharge information；
It is provided with transmission hole in the middle part of described built-in reception disk bottom；
Epoxy dielectric layer, described epoxy dielectric layer is arranged at described built-in reception disk bottom, institute
State epoxy dielectric layer end face to be close to built-in reception disk bottom surface, set in the middle part of described epoxy dielectric layer
There is transmission through hole；
Ground connection flange, described ground connection flange is affixed to be arranged at bottom described epoxy dielectric layer, described
Connection through hole is set in the middle part of ground connection flange；
Transmission pole, is arranged at bottom described transmission pole in described transmission hole, in the middle part of described transmission pole
Sequentially pass through described transmission through hole and connect through hole, affixed bottom described transmission pole being provided with for believing
Number transmission cable.
Preferably, it is connected with described cable by N connector bottom described transmission pole.
Preferably, the affixed middle part being arranged at described connection through hole, the top of described N connector.
Preferably, described built-in reception disk, described epoxy dielectric layer and described ground connection flange it
Between fixed as one by bolt.
Preferably, a diameter of 300mm of described built-in reception disk, thickness is 20mm.
Preferably, a diameter of 300mm of described epoxy dielectric layer, thickness is 40mm.
Preferably, a diameter of 600mm of described ground connection flange, thickness is 60mm.
The type UHF sensor of GIS partial discharge provided by the utility model detection, including setting
The built-in reception disk that is placed in GIS, epoxy dielectric layer, ground connection flange and transmit for signal
Transmission pole.Because being arranged in GIS by built-in reception disk, the most built-in reception disk can have
The shelf depreciation information monitored in GIS of effect, and again because of the shape of built-in reception disk
For disc, therefore can have good frequency response characteristic in sufficiently wide frequency range.Ring
Oxygen medium layer and ground connection flange, can effectively play isolation effect, it is to avoid extraneous to built-in reception
The detection interference of disk, improves the accuracy of testing result, will be detected finally by transmission pole
To signal send out.Compared with prior art, the technical program has wider detection frequency
Section, higher sensitivity and capacity of resisting disturbance.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment, below will be to required in embodiment
The accompanying drawing used does simple introduction, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of utility model, for those of ordinary skill in the art, are not paying wound
On the premise of the property made work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the type UHF sensor knot of GIS partial discharge provided by the utility model detection
Structure schematic diagram.
In accompanying drawing, 1 is built-in reception disk, and 2 is epoxy dielectric layer, and 3 is ground connection flange, 4
For transmission pole, 5 is N connector.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, in this utility model embodiment
Technical scheme be clearly and completely described, it is clear that described embodiment be only this
The a part of embodiment of utility model rather than all embodiment.Based on the reality in this utility model
Executing example, those of ordinary skill in the art, under not making creative work premise, are obtained
Every other embodiment, broadly falls into this utility model protection domain.
In order to make those skilled in the art be more fully understood that this utility model scheme, below in conjunction with
The utility model is described in further detail for the drawings and specific embodiments.
The utility model discloses the type UHF sensor of a kind of GIS partial discharge detection, including:
Built-in reception disk 1, described built-in reception disk 1 is used for detecting GIS partial discharge letter
Breath；Bottom described built-in reception disk 1, middle part is provided with transmission hole；
Epoxy dielectric layer 2, described epoxy dielectric layer 2 is arranged at described built-in reception disk 1 end
Portion, described epoxy dielectric layer 2 end face is close to built-in reception disk 1 bottom surface, and described epoxy is situated between
Transmission through hole it is provided with in the middle part of matter layer 2；
Ground connection flange 3, described ground connection flange 3 is affixed to be arranged at bottom described epoxy dielectric layer 2,
In the middle part of described ground connection flange 3, connection through hole is set；
Transmission pole 4, is arranged in described transmission hole bottom described transmission pole 4, described transmission pole
Sequentially pass through described transmission through hole in the middle part of in the of 4 and connect through hole, affixed bottom described transmission pole 4 setting
There is the cable for signal transmission.
Wherein, it will be appreciated by persons skilled in the art that by built-in reception disk 1 is used
In detection GIS partial discharge, and the signal that GIS discharges is sent out.
In the course of the work, because built-in reception disk 1 is arranged in GIS, the most built-in connect
Receive disk 1 and can effectively monitor the shelf depreciation information in GIS, and connect because of built-in again
That receives disk 1 is shaped as disc, has good in the frequency range that therefore it can be the most sufficiently wide
Frequency response characteristic.Epoxy dielectric layer 2 and ground connection flange 3, can effectively play isolation effect,
Avoid the extraneous detection to built-in reception disk 1 to disturb, improve the accuracy of testing result,
By transmission pole 4, detected signal is sent out afterwards.Compared with prior art, this skill
Art scheme has wider detection frequency range, higher sensitivity and capacity of resisting disturbance.
In this utility model one specific embodiment, bottom described transmission pole 4, pass through N connector
5 are connected with described cable.It will be appreciated by persons skilled in the art that N connector 5 is one
Kind threaded adapter, it is high that it has reliability, vibration resistance by force, mechanically and electrically performance
The feature such as excellent.And N connector 5 is applicable to coaxial cable and carries out signal transmission, has very
Good capacity of resisting disturbance, improve further detected to anti-interference in transmitting procedure of signal
Property.
In order to optimize above-described embodiment further, make detected signal in transmittance process not
By external influence, the top of described N connector 5 is affixed is arranged at described connection through hole
Middle part.
In this utility model one specific embodiment, described built-in reception disk 1, described epoxy
Fixed as one by bolt between dielectric layer 2 and described ground connection flange 3.By bolt by upper
State after three is fixed as one, can effectively ensure to receive disk in the course of the work, will not go out
The situation of existing displacement occurs, and ensures the stability of signal, and by ground connection flange 3 He
Epoxy dielectric layer 2 can effectively improve its capacity of resisting disturbance, makes detected signal more
Stable and accurate.
In order to optimize above-described embodiment, a diameter of 300mm of described built-in reception disk 1 is thick
Degree is 20mm.It will be appreciated by persons skilled in the art that built-in reception disk 1 because wanting
It is arranged in GIS, if if the most built-in reception disk 1 volume is excessive, then affecting GIS
Interior space, and its sensitivity will reduce, and is therefore arranged by the diameter of built-in reception disk 1
For 300mm, so can effectively expand detection frequency range scope.
Further, a diameter of 300mm of described epoxy dielectric layer 2, thickness is 40mm.
It will be appreciated by persons skilled in the art that epoxy dielectric layer 2 can effectively be isolated extraneous for interior
Put the impact receiving disk 1, it is ensured that the accuracy of testing result, and again because for product
The consideration of product size, preferably by a diameter of 300mm of epoxy dielectric layer 2, thickness is
40mm。
Further, a diameter of 600mm of described ground connection flange 3, thickness is 60mm.Connect
Ground method is directly 600mm, and center is relative with the center of built-in reception disk 1, because of
This can effectively stop the impact on built-in reception disk 1 in the external world, plays the effect of protection.
The type UHF sensor of GIS partial discharge provided by the utility model detection, including setting
The built-in reception disk 1 that is placed in GIS, epoxy dielectric layer 2, ground connection flange 3 and for believing
Number transmission transmission pole 4.Because built-in reception disk 1 is arranged in GIS, the most built-in connect
Receive disk 1 and can effectively monitor the shelf depreciation information in GIS, and connect because of built-in again
That receives disk 1 is shaped as disc, therefore can have good frequency in sufficiently wide frequency range
Rate response characteristic.Epoxy dielectric layer 2 and ground connection flange 3, can effectively play isolation effect,
Avoid the extraneous detection to built-in reception disk 1 to disturb, improve the accuracy of testing result,
By transmission pole 4, detected signal is sent out afterwards.Compared with prior art, this skill
Art scheme has wider detection frequency range, higher sensitivity and capacity of resisting disturbance.
The type UHF sensor detected GIS partial discharge provided by the utility model above is entered
Go and be discussed in detail.Specific case used herein is to principle of the present utility model and embodiment party
Formula is set forth, and the explanation of above example is only intended to help to understand side of the present utility model
Method and core concept thereof.It should be pointed out that, for those skilled in the art,
On the premise of without departing from this utility model principle, it is also possible to this utility model is carried out some changing
Entering and modify, these improve and modification also falls in this utility model scope of the claims.
Claims (7)
1. the type UHF sensor of a GIS partial discharge detection, it is characterised in that including:
Built-in reception disk (1), described built-in reception disk (1) is used for detecting GIS local
Discharge information；Described built-in reception disk (1) is provided with transmission hole in the middle part of bottom；
Epoxy dielectric layer (2), described epoxy dielectric layer (2) is arranged at described built-in reception circle
Dish (1) bottom, described epoxy dielectric layer (2) end face is tight with built-in reception disk (1) bottom surface
Patch, described epoxy dielectric layer (2) middle part is provided with transmission through hole；
Ground connection flange (3), described ground connection flange (3) is affixed is arranged at described epoxy dielectric layer
(2) bottom, described ground connection flange (3) middle part arranges connection through hole；
Transmission pole (4), described transmission pole (4) bottom is arranged in described transmission hole, described
Transmission pole (4) middle part sequentially passes through described transmission through hole and connects through hole, described transmission pole (4)
The affixed cable being provided with for signal transmission in bottom.
2. the type UHF sensor of GIS partial discharge detection as claimed in claim 1, it is special
Levying and be, described transmission pole (4) bottom is connected with described cable by N connector (5).
3. the type UHF sensor of GIS partial discharge detection as claimed in claim 2, it is special
Levy and be, the affixed middle part being arranged at described connection through hole, the top of described N connector (5).
4. the type UHF sensor of GIS partial discharge detection as claimed in claim 3, it is special
Levy and be, described built-in reception disk (1), described epoxy dielectric layer (2) and described ground connection method
Fixed as one by bolt between blue (3).
5. the type UHF sensor of GIS partial discharge detection as claimed in claim 4, it is special
Levying and be, a diameter of 300mm of described built-in reception disk (1), thickness is 20mm.
6. the type UHF sensor of GIS partial discharge detection as claimed in claim 5, it is special
Levying and be, a diameter of 300mm of described epoxy dielectric layer (2), thickness is 40mm.
7. the type UHF sensor of GIS partial discharge detection as claimed in claim 6, it is special
Levying and be, a diameter of 600mm of described ground connection flange (3), thickness is 60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620336407.6U CN205507014U (en) | 2016-04-20 | 2016-04-20 | GIS partial discharge detector's UHF sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620336407.6U CN205507014U (en) | 2016-04-20 | 2016-04-20 | GIS partial discharge detector's UHF sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205507014U true CN205507014U (en) | 2016-08-24 |
Family
ID=56706204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620336407.6U Expired - Fee Related CN205507014U (en) | 2016-04-20 | 2016-04-20 | GIS partial discharge detector's UHF sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205507014U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759188A (en) * | 2016-04-20 | 2016-07-13 | 国网浙江省电力公司电力科学研究院 | UHF sensor for GIS partial discharge detection |
| CN107505552A (en) * | 2017-10-16 | 2017-12-22 | 云南电网有限责任公司电力科学研究院 | The lower shelf depreciation high-frequency signal extraction element of steep-front impact and measuring system |
| CN112130047A (en) * | 2019-10-31 | 2020-12-25 | 三江学院 | External ultrahigh frequency sensor for GIS partial discharge detection |
-
2016
- 2016-04-20 CN CN201620336407.6U patent/CN205507014U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759188A (en) * | 2016-04-20 | 2016-07-13 | 国网浙江省电力公司电力科学研究院 | UHF sensor for GIS partial discharge detection |
| CN107505552A (en) * | 2017-10-16 | 2017-12-22 | 云南电网有限责任公司电力科学研究院 | The lower shelf depreciation high-frequency signal extraction element of steep-front impact and measuring system |
| CN112130047A (en) * | 2019-10-31 | 2020-12-25 | 三江学院 | External ultrahigh frequency sensor for GIS partial discharge detection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105334433B (en) | The detection method and device of cable local discharge | |
| CN106771933A (en) | Power cable shelf depreciation high frequency electric monitoring system based on wireless network | |
| CN205507014U (en) | GIS partial discharge detector's UHF sensor | |
| CN106353648B (en) | Comprehensive partial discharge monitoring method | |
| JP2021511480A (en) | Transformer monitoring / measurement system and method | |
| CN104897983B (en) | A kind of grounding net of transformer substation impacts characteristics of the dispersed flow test device | |
| CN204028288U (en) | The checkout equipment of cable local discharge and capacitive coupled sensors | |
| CN106771897B (en) | GIS ultrahigh frequency partial discharge signal attenuation test system and method | |
| CN104614648A (en) | Electroacoustic combined DC local discharging detecting device | |
| CN104849635A (en) | Partial discharge positioning system based on ultrasonic sensor array | |
| CN202256595U (en) | Partial discharge ultrahigh-frequency signal detecting sensor | |
| CN203117367U (en) | Ultrahigh-frequency sensor | |
| CN104865481A (en) | Detecting method for load management to terminal external CT secondary side loop states | |
| CN202339383U (en) | Extra-high voltage insulator detector | |
| CN106124948A (en) | Monitoring device and method are put in a kind of built-in office | |
| CN203148991U (en) | Shielding mounting structure for partial discharge test of transformer substation | |
| CN107807316A (en) | Local discharge detection device and system | |
| CN208044003U (en) | The partial discharge of transformer on-line detecting system judged based on polarity | |
| CN106249054A (en) | Capacitance type potential transformer and integration detection sensor thereof | |
| CN106291076A (en) | A kind of double difference fraction D dot overvoltage sensor and the system of measurement | |
| CN102866329B (en) | GIS (Geographic Information System) local discharge monitoring device and method utilizing voltage sharing springs as detectors | |
| CN105759188A (en) | UHF sensor for GIS partial discharge detection | |
| CN204256113U (en) | Partial discharge pulse's detection system | |
| CN105425124A (en) | On-line monitoring system for partial discharging of transformer and monitoring method thereof | |
| CN207164188U (en) | A kind of partial discharge of switchgear monitoring device for offshore drilling platformses |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |