CN106324295A - Device for fixing partial discharge live-line detector sensor - Google Patents
Device for fixing partial discharge live-line detector sensor Download PDFInfo
- Publication number
- CN106324295A CN106324295A CN201610660273.8A CN201610660273A CN106324295A CN 106324295 A CN106324295 A CN 106324295A CN 201610660273 A CN201610660273 A CN 201610660273A CN 106324295 A CN106324295 A CN 106324295A
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- China
- Prior art keywords
- sensor
- insulating bar
- universal joint
- sensor holder
- detection
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The invention relates to a device for fixing a partial discharge live-line detector sensor. A sensor fixing apparatus of the device is linked with an insulating rod through a universal joint. In use, the universal joint is adjusted to change the detection angle of the sensor. The sensor fastened in the sensor fixing apparatus is enabled to get close to detected equipment through an insulating rod, so as to achieve the detection. The device can effectively avoids the unnecessary contact of a site test worker and a live-line equipment housing, and the test worker holds an insulating operating handle to enable the sensor to be attached to the surface of a measurement point, so as to measure superhigh detection points and detection points in a narrow region, thereby improving the personal and equipment safety of live-line detection.
Description
Technical field
It relates to converting equipment Hidden fault diagnostic techniques field, specifically, relate to a kind of shelf depreciation band
Electro-detection instrument sensor fastening device.
Background technology
At present, shelf depreciation on-line checking is that large scale electrical power unit carries out one of pre-emptive maintenace project, in order to improve
The safety operation level of the equipment such as GTS, transformator, switch cubicle, State Grid Corporation of China formulates " Q/GDW 1168-2013 power transmission and transformation
Equipment state overhauling testing regulations " " Q/GDW 11059-2013 Cubicle Gas-Insulated Switchgear shelf depreciation band electrical measurement
Examination technology scene application directive/guide " company standard such as " converting equipment live detection job guide suggestion-2014 ".As a example by GIS, rule
Determine a ultrasound wave shelf depreciation live detection monthly to be carried out for 1000KV electric pressure GIS device, for 330KV-750KV
Electric pressure GIS device carries out a ultrasound wave shelf depreciation live detection half a year, and 66KV-220KV electric pressure GIS device is every
Within 1 year, carry out a ultrasound wave shelf depreciation live detection.Transformator, cable connector, switch cubicle etc. also have and detect mark accordingly
Alignment request.
No matter the shelf depreciation live detection technology such as ultrasound wave, hyperfrequency, high frequency, TEV, is to utilize to be fixed on power equipment
Sensor on outer wall receives the electric impulse signal that device interior shelf depreciation produces, with this detect shelf depreciation intensity and
Position.Need to choose at interval of a segment distance to measure at one during detection, not test leakage will be accomplished, do not survey by mistake.Due to
It is less that the method receives interference, but working strength is huge.
During concrete detection, for guaranteeing the safety of safe personal safety and equipment, except the relevant peace of strict implement electric power
Outside full standard and safety, it is also noted that the most what time: other charging equipment should be touched during (1) detection；(2) sensor is prevented
Fall, cause sensor degradation, it is to avoid have an accident；(3) when small space uses sensor to carry out live detection, should try one's best
Health is avoided to touch equipment under test；(4) when using sensor to detect, insulating glove should be worn, it is to avoid hand directly contacts
Sensor metal parts.But converting equipment compact conformation at present, spatial complex, some measuring point height is more than 3m even 5m, actual
In operating process, testing crew health touches equipment under test unavoidably, has the great person and equipment potential safety hazard.
Summary of the invention
The disclosure proposes a kind of shelf depreciation live detection instrument sensor fastening device, with to existing ultrasound wave, superelevation
Frequently, the structure of the detecting instrument such as high frequency, TEV improves, to ensure to directly utilize sensing for the measuring point of superelevation, narrow and small position
Device detects, and can not touch converting equipment body, guarantees personal safety and equipment safety, and is greatly reduced working strength, carries
Highly charged detection efficiency.
A kind of shelf depreciation live detection instrument sensor fastening device, the sensor holder of described device passes through Universal connector
Head links with insulating bar；In use, universal joint is adjusted to change the detection angles of sensor；To be fastened on by insulating bar
Sensor in sensor holder close to equipment under test with realize detection.
Further, described sensor holder is in the cuboid with opening, porose on a face wherein, and have with
The bolt that this hole matches, described bolt is used for fastened sensors, enables sensor to detect equipment under test by described opening.
Further, a face of described sensor holder there is sensor line outlet groove, is used for drawing sensor signal
Line.
Further, described sensor holder is fixed with Magnet, couples with equipment under test for sensor holder.
Further, described insulating bar is more piece, removably connects between insulating bar.
Further, described insulating bar is expansion link.
Further, described insulating bar is hollow.
Further, rubber handle can be installed in the hand-held one end of described insulating bar.
Further, described insulating bar and the connected mode of universal joint are for removably connecting.
Further, described universal joint with the connected mode of sensor holder for removably connecting or welding.
The disclosure has can be prevented effectively from unnecessary contacting between on-the-spot test personnel and electrified equipment shell, tests people
Member's gripping insulating bar, can be affixed on measuring point surface by sensor, measures superelevation and the test point of narrow regions, greatly improves band
The person of electro-detection and equipment safety；Meanwhile, realized as required by more piece insulating bar extending, testing crew can be prevented effectively from
Use the subtest Work tool such as lift truck, insulating ladder, save the time lifting, removing ladder, cat ladder, hence it is evident that improve live detection effect
Rate.
Accompanying drawing explanation
Shelf depreciation live detection instrument sensor fastening device schematic diagram in one embodiment of Fig. 1 disclosure；
In figure: 1. insulating bar, 2. universal joint, 3. sensor holder, 4. sensor line outlet groove, 5. spiral shell fixed by sensor
Bolt, 6. sensor fixing threaded hole, 7. Magnet fixed screw, 8. Magnet.
Detailed description of the invention
In one embodiment, it is provided that a kind of shelf depreciation live detection instrument sensor fastening device, described device
Sensor holder is linked with insulating bar by universal joint；In use, universal joint is adjusted to change the detection of sensor
Angle；By insulating bar by the sensor being fastened in sensor holder close to equipment under test with realize detection.
In this embodiment, insulating bar is connected with sensor holder by universal joint, and is fixed by sensor
Device fixes sensor, it is ensured that during live detection, distance electrical equipment high-pressure side has enough safe distances, and testing crew is held
Hold insulating bar, sensor can be affixed on measuring point surface, measure superelevation and the test point of narrow regions, be prevented effectively from on-the-spot test
Unnecessary contacting between personnel with electrified equipment shell, greatly improves the person and the equipment safety of live detection.Universal connector
Head can realize the rotation in horizontal 0-360 ° of angular range, it is also possible to up and down centered by level, downwards and horizontal plane
In the angular range that wide-angle is 20 ° and upwards rotating with in the angular range space of horizontal plane maximum angle 45 °, with full
Foot different size and the demand of direction measuring point.Insulating bar can use the insulant such as fiberglass, resin to make.Add for convenience
Work, molding, perforate, universal joint is both preferably metal material with the material of sensor holder.
Coming off from sensor holder to place sensor, described sensor holder preferable shape is to have opening
Cuboid, the most wherein providing holes on a face, and configure the bolt matched with this hole.Will sensing by described bolt
Device fastens.Sensor can detect equipment under test by described opening.
In one embodiment, sensor holder is the cuboid of band opening, has screw on a side, will sensing
Device is placed in sensor holder, is fastened by bolts.Described sensor detects tested equipment by opening part.
Further, a face of described sensor holder there is sensor line outlet groove, is used for drawing sensor signal
Line.
In one embodiment, being positioned on the side that sensor holder is relative with opening of described sensor line outlet groove,
Be conducive to the extraction of sensor signal lines, but also dependent on practical situation, be opened on other faces.
Further, described sensor holder is fixed with Magnet, couples with equipment under test for sensor holder.
In one embodiment, it is screwed Magnet in the both sides of sensor holder opening, is beneficial to sensing
Device holder couples with detected equipment, saves the physical demands of tested personnel.In another embodiment, described Magnet quilt
It is fixed on the surrounding of opening.
Further, described insulating bar is more piece, removably connects between insulating bar.
In one embodiment, the joint number of described insulating bar can select 3 joints, 4 joints, 5 joint or more more pieces as required
Number.It is bolted between insulating bar.Can also be threaded connection between insulating bar described here, other is removable for clamping etc.
Unload connected mode.
More preferably, described insulating bar is expansion link.Under this connected mode, can as required insulating bar be elongated,
Shrink when not using, be easily carried.
Further, described insulating bar is hollow, to alleviate the weight of whole device.
Further, for improving the safety of operator further, rubber can be installed in the hand-held one end of described insulating bar
Handle.
Further, described insulating bar and the connected mode of universal joint are for removably connecting.
In one embodiment, the connected mode of described insulating bar and universal joint is for threadeding, or passes through bolt
Connect, or by the dismountable mode of snap fit connection etc., can be convenient for carrying in this manner.
Further, described universal joint with the connected mode of sensor holder for removably connecting or welding.
In one embodiment, carrying for convenience, described universal joint passes through spiral shell with the connected mode of sensor holder
Stricture of vagina connects or the removably such as bolt connection or clamping connects.In another embodiment, directly by universal joint
Weld together with sensor holder.
Example below combines accompanying drawing and illustrates disclosure device.
In this embodiment, it is provided that a kind of shelf depreciation live detection instrument sensor fastening device as shown in Figure 1, institute
State device and include insulating bar (1), universal joint (2) and sensor holder (3) composition.Wherein, sensor holder (3) is passed through
Universal joint (2) and insulating bar (1) linkage, described universal joint (2) can realize the rotation in horizontal 0-360 ° of angular range,
To meet different size and the demand of direction measuring point.Sensor holder (3) there is opening, facilitates sensor to detect tested setting
Standby.Sensor holder (3) has sensor fixing threaded hole (6), fixes bolt (5) by the sensor matched therewith, can
To be fixed in sensor holder 3 by sensor, and it is easy to dismounting or the replacing of sensor.In sensor holder (3)
The rear of upper bottom surface have sensor line outlet groove (4), the beneficially extraction of sensor signal lines.In sensor holder (3)
Opening part is fixed with coupling of Magnet (8), beneficially sensor holder (3) and equipment under test by Magnet fixed screw (7), saves
Save the physical demands of tested personnel.For whole device, can be connected by multiple insulating bars, realize according to Site Detection height
The adjustment of device length.During in order to ensure live detection, relative electrical equipment high-pressure side, there is enough safe distances, will be every
Individual insulating bar is a length of 1m.In order to alleviate the weight of whole device, insulating bar is designed to the hollow insulating bar of diameter 5cm.
In order to increase the safety of operator, in insulating bar hand-held one end, band rubber handle can be installed.For easy to use, band rubber hands
Handle is preferably 40-60cm.
Above the disclosure is described in detail, used herein specific case principle of this disclosure and embodiment party
Formula is set forth, and the explanation of above example is only intended to help and understands disclosed method and core concept thereof；Meanwhile, right
In those skilled in the art, according to the thought of the disclosure, the most all will change, combine
Upper described, this specification content should not be construed as restriction of this disclosure.
Claims (10)
1. a shelf depreciation live detection instrument sensor fastening device, it is characterised in that:
The sensor holder of described device is linked with insulating bar by universal joint；
In use, universal joint is adjusted to change the detection angles of sensor；Sensor will be fastened on by insulating bar to fix
Sensor in device close to equipment under test with realize detection.
Device the most according to claim 1, it is characterised in that:
Preferably, described sensor holder is in the cuboid with opening, porose on a face wherein, and has and this hole phase
The bolt joined, described bolt is used for fastened sensors, enables sensor to detect equipment under test by described opening.
Device the most according to claim 2, it is characterised in that:
There is sensor line outlet groove on one face of described sensor holder, be used for drawing sensor signal lines.
Device the most according to claim 1, it is characterised in that:
It is fixed with Magnet in described sensor holder, couples with equipment under test for sensor holder.
Device the most according to claim 1, it is characterised in that:
Described insulating bar is more piece, removably connects between insulating bar.
Device the most according to claim 1, it is characterised in that:
Described insulating bar is expansion link.
Device the most according to claim 1, it is characterised in that:
Described insulating bar is hollow.
Device the most according to claim 1, it is characterised in that:
Rubber handle can be installed in the hand-held one end of described insulating bar.
Device the most according to claim 1, it is characterised in that:
The connected mode of described insulating bar and universal joint is for removably connecting.
Device the most according to claim 1, it is characterised in that:
The connected mode of described universal joint and sensor holder is for removably connecting or welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610660273.8A CN106324295A (en) | 2016-08-10 | 2016-08-10 | Device for fixing partial discharge live-line detector sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610660273.8A CN106324295A (en) | 2016-08-10 | 2016-08-10 | Device for fixing partial discharge live-line detector sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106324295A true CN106324295A (en) | 2017-01-11 |
Family
ID=57739404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610660273.8A Pending CN106324295A (en) | 2016-08-10 | 2016-08-10 | Device for fixing partial discharge live-line detector sensor |
Country Status (1)
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| CN (1) | CN106324295A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422237A (en) * | 2017-09-12 | 2017-12-01 | 国家电网公司 | Sensor fastening device and sensor |
| CN109212279A (en) * | 2018-11-29 | 2019-01-15 | 国网上海市电力公司 | A kind of transformer belt electric detection means |
| CN109307787A (en) * | 2018-10-15 | 2019-02-05 | 国网青海省电力公司西宁供电公司 | A kind of fixed device of ultra high-frequency partial discharge sensor |
| CN109459670A (en) * | 2018-09-04 | 2019-03-12 | 国家电网有限公司 | GIS ultrahigh frequency sensor fastening device and its application method |
| CN109696567A (en) * | 2017-10-20 | 2019-04-30 | 奥的斯电梯公司 | Stretching, extension tool for low pressure applications |
| GB2572405A (en) * | 2018-03-29 | 2019-10-02 | Vollspark Ltd | Attachment device for monitoring power systems |
| CN111273146A (en) * | 2020-03-30 | 2020-06-12 | 国网天津市电力公司 | Cable termination high frequency partial discharge detection paster sensor winding and unwinding devices |
| CN112578154A (en) * | 2020-12-17 | 2021-03-30 | 广东电网有限责任公司 | GIS insulator superfrequency sensor fixing device |
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| CN203054010U (en) * | 2012-12-04 | 2013-07-10 | 国家电网公司 | A multipurpose apparatus for fixing a sensor used for measuring the partial discharge of a GIS |
| CN103344797A (en) * | 2013-07-04 | 2013-10-09 | 国家电网公司 | GIS ultrasonic sensor universal clamping device |
| CN204989231U (en) * | 2015-06-01 | 2016-01-20 | 国网天津市电力公司 | Transformer ultrasonic method partial discharge detector signal transducer fixing device |
| CN205038238U (en) * | 2015-09-25 | 2016-02-17 | 国网河南省电力公司技能培训中心 | Electrified special support instrument of superfrequency sensor that detects of GIS |
| CN205049614U (en) * | 2015-10-17 | 2016-02-24 | 广西电网有限责任公司桂林供电局 | Fixing device of GIS partial discharge ultrasonic wave and superfrequency detection sensor |
| CN205941620U (en) * | 2016-08-10 | 2017-02-08 | 内蒙古电力（集团）有限责任公司内蒙古超高压供电局 | Electrified detector sensor fixed device of partial discharge |
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2016
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| CN203054010U (en) * | 2012-12-04 | 2013-07-10 | 国家电网公司 | A multipurpose apparatus for fixing a sensor used for measuring the partial discharge of a GIS |
| CN103344797A (en) * | 2013-07-04 | 2013-10-09 | 国家电网公司 | GIS ultrasonic sensor universal clamping device |
| CN204989231U (en) * | 2015-06-01 | 2016-01-20 | 国网天津市电力公司 | Transformer ultrasonic method partial discharge detector signal transducer fixing device |
| CN205038238U (en) * | 2015-09-25 | 2016-02-17 | 国网河南省电力公司技能培训中心 | Electrified special support instrument of superfrequency sensor that detects of GIS |
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| CN205941620U (en) * | 2016-08-10 | 2017-02-08 | 内蒙古电力（集团）有限责任公司内蒙古超高压供电局 | Electrified detector sensor fixed device of partial discharge |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422237A (en) * | 2017-09-12 | 2017-12-01 | 国家电网公司 | Sensor fastening device and sensor |
| CN109696567A (en) * | 2017-10-20 | 2019-04-30 | 奥的斯电梯公司 | Stretching, extension tool for low pressure applications |
| US10978262B2 (en) | 2017-10-20 | 2021-04-13 | Otis Elevator Company | Reach tool for use in low voltage applications |
| CN109696567B (en) * | 2017-10-20 | 2022-07-08 | 奥的斯电梯公司 | Extension tool for low pressure applications |
| GB2572405A (en) * | 2018-03-29 | 2019-10-02 | Vollspark Ltd | Attachment device for monitoring power systems |
| CN109459670A (en) * | 2018-09-04 | 2019-03-12 | 国家电网有限公司 | GIS ultrahigh frequency sensor fastening device and its application method |
| CN109307787A (en) * | 2018-10-15 | 2019-02-05 | 国网青海省电力公司西宁供电公司 | A kind of fixed device of ultra high-frequency partial discharge sensor |
| CN109212279A (en) * | 2018-11-29 | 2019-01-15 | 国网上海市电力公司 | A kind of transformer belt electric detection means |
| CN111273146A (en) * | 2020-03-30 | 2020-06-12 | 国网天津市电力公司 | Cable termination high frequency partial discharge detection paster sensor winding and unwinding devices |
| CN112578154A (en) * | 2020-12-17 | 2021-03-30 | 广东电网有限责任公司 | GIS insulator superfrequency sensor fixing device |
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Application publication date: 20170111 |
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