CN108169520A - A kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement - Google Patents
A kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement Download PDFInfo
- Publication number
- CN108169520A CN108169520A CN201711268602.5A CN201711268602A CN108169520A CN 108169520 A CN108169520 A CN 108169520A CN 201711268602 A CN201711268602 A CN 201711268602A CN 108169520 A CN108169520 A CN 108169520A
- Authority
- CN
- China
- Prior art keywords
- clamp
- composite insulator
- parameter measurement
- clamping opening
- pincers
- 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
- 239000012212 insulator Substances 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- 238000005259 measurement Methods 0.000 title claims abstract description 19
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 25
- 238000009413 insulation Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention belongs to power test technical fields, more particularly to a kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement, including clamp, the clamp is equipped with clamping opening, electrode slice is equipped at the occlusion of the clamping opening, the outside of the clamping opening is equipped with cable interface, and cable is connect by cable interface with electrode slice, measuring apparatus is connect by cable with clamp, and the clamping opening of clamp, which clamps measured object and passes through electrode slice, measures measured object.The present invention is detected the dielectric constant of composite insulator by the fixture using transmission line composite insulator dielectric parameter measurement instrument, and uniform electric field distribution is formed in measured zone, ensures the accuracy measured.
Description
Technical field
The invention belongs to power test technical fields, are surveyed more particularly to one kind for composite insulator umbrella skirt dielectric parameter
The novel electrode fixture of amount.
Background technology
Composite insulator is widely used in electric system due to its excellent electrical characteristic and mechanical property, because
The dielectric parameter of this composite insulator will influence the safe operation of power equipment and electrical power transmission system, be that electric system is each
The important parameter that department is concerned about.South China area, since ambient humidity is larger, summer high temperature weather continue it is longer, it is compound
Insulator long-term work can accelerate the aging of insulator in the environment of high temperature and humidity, so as to easily cause shelf depreciation, flashover
Situations such as, so needing to be detected the dielectric parameter of composite insulator.However existing method Shortcomings：（1）Leakage electricity
Flow measurement method measures not accurate enough；（2）Corona discharge mensuration, only when insulation fault develops to the degree of frequent shelf depreciation
It could measure.So it needs at present a kind of it can be found that the accurate analysis method of decreasing insulating.
Invention content
The present invention provides a kind of for composite insulator umbrella skirt dielectric parameter measurement to solve above-mentioned technical problem
Novel electrode fixture, using transmission line composite insulator dielectric parameter measurement instrument by the fixture to Jie of composite insulator
Electric constant is detected, and uniform electric field distribution is formed in measured zone, ensures the accuracy measured.
The technical scheme is that：A kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement,
Wherein, including clamp, the clamp is equipped with clamping opening, is equipped with electrode slice at the occlusion of the clamping opening, the outside of the clamping opening is equipped with
Cable interface, cable are connect by cable interface with electrode slice, and measuring apparatus is connect by cable with the clamp, the clamping opening of clamp
It clamps measured object and passes through electrode slice and measured object is measured.
When measuring, measuring apparatus is connect first with cable with clamp, and the clamping opening of clamp is clamped on measured object,
Using electrode slice and measured object contact measurement its voltage, electric current, while when measuring, uniform electric field point is formed in measured zone
Cloth ensures the accuracy measured.
Further, clamp include it is upper pincers, lower pincers, it is described it is upper pincers be equipped with upper clip, it is described it is lower pincers be equipped with lower clamping piece, it is described on
Intermediate plate is attached with lower clamping piece, one end of the upper pincers and one end composition clamping opening of lower pincers.
Further, it is attached between upper clip and lower clamping piece by screw, spring is cased on the screw.Using it is upper,
The clamping of clamping opening is realized between lower clamping piece by spring.
Further, two electrode slices are respectively equipped at the occlusion of upper pincers, lower pincers, one of electrode slice is measures electric current note
Enter electrode, another electrode slice is voltage measurement electrodes.Four electrode slices at the occlusion clamped above and below are correspondingly arranged two-by-two, point
Not Ce Liang electric current and voltage, realize accurate measure.
Further, clamp is equipped with insulation sleeve.Ensure that the accuracy measured is interference-free, while ensures the peace of operating personnel
Entirely.
The beneficial effects of the invention are as follows：
（1）Using transmission line composite insulator dielectric parameter measurement instrument by the fixture to the dielectric constant of composite insulator into
Row detection forms uniform electric field distribution in measured zone, ensures the accuracy measured.
（2）It is measured using electrode slice, measures electric current and voltage respectively, realize accurate measure.
（3）Simultaneously equipped with insulation sleeve, ensure that the accuracy measured is interference-free, while ensures the safety of operating personnel.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；It is attached in order to more preferably illustrate the present embodiment
Scheme certain components to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of position relationship described in attached drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
Embodiment 1：
As shown in Figure 1, a kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement, including clamp, clamp
Including upper pincers 3, lower pincers 4, upper pincers 3 are equipped with upper clip 5, and lower pincers 4 are equipped with lower clamping piece 6, pass through spiral shell between upper clip 5 and lower clamping piece 6
Nail is attached, and one end composition clamping opening of spring 7, one end of upper pincers 3 and lower pincers 4 is cased on screw, and upper pincers 3, lower pincers 4 form
Two electrode slices 11 are respectively equipped at clamping opening occlusion, one of electrode slice 1 is measures current injection electrode, another electrode slice
1 is voltage measurement electrodes, and the outside at the clamping opening occlusion of upper pincers 3 is equipped with cable interface 2, and cable passes through cable interface 2 and electrode
Piece 1 connects, and measuring apparatus is connect by cable with clamp, and the clamping opening of clamp clamps measured object and passes through electrode slice 1 to measured object
Carry out the measurement of voltage, electric current.
Clamp is additionally provided with insulation sleeve, ensures that the accuracy measured is interference-free, while ensures the safety of operating personnel.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (5)
1. a kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement, which is characterized in that including clamp, institute
It states clamp and is equipped with clamping opening, electrode slice is equipped at the occlusion of the clamping opening（1）, the outside of the clamping opening is equipped with cable interface（2）, electricity
Cable passes through cable interface（2）With electrode slice（1）Connection, measuring apparatus are connect by cable with the clamp, and the clamping opening of clamp clamps
Measured object simultaneously passes through electrode slice（2）Measured object is measured.
2. a kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement according to claim 1,
It is characterized in that, the clamp includes upper pincers（3）, lower pincers（4）, the upper pincers（3）Equipped with upper clip（5）, the lower pincers（4）It is equipped with
Lower clamping piece（6）, the upper clip（5）With lower clamping piece（6）It is attached, the upper pincers（3）One end and lower pincers（4）One end group
Into clamping opening.
3. a kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement according to claim 2,
It is characterized in that, the upper clip（5）With lower clamping piece（6）Between be attached by screw, be cased with spring on the screw（7）.
4. a kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement according to claim 2,
It is characterized in that, the upper pincers（3）, lower pincers（4）Occlusion at be respectively equipped with two electrode slices（1）, one of electrode slice（1）For
Measure current injection electrode, another electrode slice（1）For voltage measurement electrodes.
5. a kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement according to claim 1,
It is characterized in that, the clamp is equipped with insulation sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711268602.5A CN108169520A (en) | 2017-12-05 | 2017-12-05 | A kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711268602.5A CN108169520A (en) | 2017-12-05 | 2017-12-05 | A kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108169520A true CN108169520A (en) | 2018-06-15 |
Family
ID=62524394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711268602.5A Pending CN108169520A (en) | 2017-12-05 | 2017-12-05 | A kind of novel electrode fixture for composite insulator umbrella skirt dielectric parameter measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108169520A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918999A (en) * | 2018-06-28 | 2018-11-30 | 中国人民解放军陆军工程大学 | Electric field-sensitive type intellectual material Response Time Test System and method |
| CN110261744A (en) * | 2019-06-25 | 2019-09-20 | 深圳供电局有限公司 | Partial discharge detection device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204479620U (en) * | 2015-03-21 | 2015-07-15 | 广西电网有限责任公司南宁供电局 | Eliminate the anti-interference clamp specially of surface current |
-
2017
- 2017-12-05 CN CN201711268602.5A patent/CN108169520A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204479620U (en) * | 2015-03-21 | 2015-07-15 | 广西电网有限责任公司南宁供电局 | Eliminate the anti-interference clamp specially of surface current |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918999A (en) * | 2018-06-28 | 2018-11-30 | 中国人民解放军陆军工程大学 | Electric field-sensitive type intellectual material Response Time Test System and method |
| CN110261744A (en) * | 2019-06-25 | 2019-09-20 | 深圳供电局有限公司 | Partial discharge detection device |
| CN110261744B (en) * | 2019-06-25 | 2021-08-31 | 深圳供电局有限公司 | Partial discharge detection device |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180615 |