CN105785080B - The secondary circuit tooling of GIS current transformer high-pottings - Google Patents
The secondary circuit tooling of GIS current transformer high-pottings Download PDFInfo
- Publication number
- CN105785080B CN105785080B CN201610152198.4A CN201610152198A CN105785080B CN 105785080 B CN105785080 B CN 105785080B CN 201610152198 A CN201610152198 A CN 201610152198A CN 105785080 B CN105785080 B CN 105785080B
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- China
- Prior art keywords
- cone cylinder
- oriented
- positioning tube
- interior positioning
- compression spring
- 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
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- 238000004382 potting Methods 0.000 title claims abstract description 9
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 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
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The invention discloses a kind of secondary circuit toolings of GIS current transformers high-potting, including patchboard, equipotential plate, multiple contact assemblies.Multiple contact assemblies are according to certain intervals stationary arrangement in the bottom surface of equipotential plate；The contact assembly includes being oriented to cone cylinder, compression spring, interior positioning tube, ground wire, the upper end of interior positioning tube is vertically fixed on the bottom surface of equipotential plate, the lower end activity of interior positioning tube, which is nested with, to be oriented in cone cylinder, the lower end for being oriented to cone cylinder is resisted against on the binding post of patchboard, and compression spring is nested with to be connected electrically in interior positioning tube ground wire and be oriented between cone cylinder and equipotential plate.Since the interior positioning tube of contact assembly of the present invention plays positioning and guiding role, external conical-tube is in close contact by the pressure of compression spring with binding post, realize all binding post short circuits ground connection of Current Transformer Secondary side, it avoids secondary side binding post open circuit and causes element electrion phenomenon, therefore the present invention has the advantages that assembly is simple, economical and practical, reliability is high, work efficiency is high.
Description
Technical field
The present invention relates to a kind of high-tension testing apparatuses, more particularly to a kind of the secondary of GIS current transformers high-potting
Circuit tooling.
Background technology
Currently, GIS device producer, when doing manufacture high-potting, the short circuit at secondary wiring of current mutual inductor end is typically all
It is fixed with bolt after being wound by conducting wire, this traditional connection type will remove bolt and conducting wire one by one after experiment, by
In binding post up to tens, the working hour of consuming is more and easy tos produce terminal virtual connection, be easy to cause terminal virtual connection and causes electric current
Secondary loop open circuit of mutual inductor and the serious consequence brought.In order to improve efficiency and test reliability, the present inventor is directed to electric current
The structure of mutual inductor constructs and patchboard feature carries out research and design, obtains this programme.
Invention content
The GIS current transformer high pressures simple, economical and practical, reliability is high are assembled the purpose of the present invention is to provide a kind of
The secondary circuit tooling of experiment.
To achieve the above object, technical solution of the invention is：
The present invention is a kind of secondary circuit tooling of GIS current transformers high-potting, including patchboard, equipotential plate,
Multiple contact assemblies；The outer of the patchboard is mounted between the upper press ring and bottom flange of GIS current transformers and passes through
Upper press ring fixing bolt is fixed, and sealing ring is equipped between the bottom flange of patchboard and GIS current transformers and completely cuts off internal SF6 gas
Body, the outer of equipotential plate are fixed on the top surface of the upper press ring of GIS current transformers；Multiple contact assemblies are according to certain
Stationary arrangement is spaced in the bottom surface of equipotential plate；The contact assembly includes being oriented to cone cylinder, compression spring, interior positioning tube, ground wire,
The upper end of interior positioning tube is vertically fixed on the bottom surface of equipotential plate, and the lower end activity of interior positioning tube, which is nested with, to be oriented in cone cylinder, is led
It is resisted against on the binding post of patchboard to the lower end of cone cylinder, compression spring is nested with to be acted against respectively at the both ends of interior positioning tube and compression spring
Current potential plate is connected electrically in cone cylinder inner bottom surface, ground wire is oriented between guiding cone cylinder and equipotential plate.
There is the guiding cone cylinder cavity of an open at one end, the cavity to be led for housing compression spring and interior positioning tube
Bottom surface to cone cylinder is tapered.
After adopting the above scheme, since the present invention is mainly by several components such as patchboard, equipotential plate, multiple contact assemblies
It constitutes, contact assembly includes being oriented to cone cylinder, compression spring, interior positioning tube, ground wire, and interior positioning tube plays positioning and guiding role, outer cone
Cylinder is in close contact by the pressure of compression spring and the secondary connection column of current transformer, and external conical-tube is connect with equipotential plate conducting wire, etc.
Current potential plate is grounded by earth cable, to realize all binding post short circuits ground connection of Current Transformer Secondary side, is avoided
When GIS current transformer Hi-pot tests, secondary side binding post open circuit causes element electrion phenomenon, therefore, the present invention has dress
With the advantages of simple, economical and practical, reliability is high, work efficiency is high.
The present invention is further illustrated in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 is the sectional view of the present invention；
Fig. 2 is partial enlarged views of the Fig. 1 at A；
Fig. 3 is the front view of patchboard of the present invention；
Fig. 4 is sectional views of the Fig. 3 along line A-A；
Fig. 5 is the usage state diagram of the present invention.
Specific implementation mode
As shown in Figure 1, shown in Figure 5, the present invention is a kind of secondary circuit tooling of GIS current transformers high-potting, including etc.
Current potential plate 1, multiple contact assemblies 2, patchboard 3.
With reference to shown in figure 3, Fig. 4, the patchboard 3 has multiple binding posts 31 around the center of circle, the outer of patchboard 3
It is fixed between the upper press ring 4 and bottom flange 5 of GIS current transformers and by upper press ring fixing bolt 6, in patchboard 3
Completely cut off internal SF6 gases equipped with sealing ring 7 between the bottom flange 5 of GIS current transformers, the outer of equipotential plate 1 is mounted on
The top surface of the upper press ring 4 of GIS current transformers is simultaneously fixed by tooling fixing bolt 8.Multiple contact assemblies 2 are according to one
Surely interval stationary arrangement is mounted on the bottom surface of equipotential plate 1.
As shown in Fig. 2, the contact assembly 2 includes being oriented to cone cylinder 21, compression spring 22, interior positioning tube 23, ground wire 24.Institute
There are one the cavity 211 of open at one end, the cavitys to be oriented to for housing compression spring 22 and interior positioning tube 23 for the tool of guiding cone cylinder 21 stated
The bottom surface 212 of cone cylinder 21 is tapered.The upper end of the interior positioning tube 23 is vertically fixed on the bottom surface of equipotential plate 1, interior positioning
The lower end activity of cylinder 23, which is nested with, to be oriented in cone cylinder 21, and the lower end for being oriented to cone cylinder 21 is resisted against on the binding post 31 of patchboard 3, is pressed
Spring 22 is nested with to be acted against equipotential plate 1 at the both ends of interior positioning tube 21 and compression spring 22 and is oriented to 21 inner bottom surface of cone cylinder, ground connection respectively
Line 24, which is connected electrically in, to be oriented between cone cylinder 21 and equipotential plate 1.
The operation principle of the present invention：
As shown in Figure 1 and Figure 2, the equipotential plate 1 equipped with multiple contact assemblies 2 is fixed on wiring by tooling fixing bolt 8
The top surface of disk 3, the external conical-tube on contact assembly 2 correspond with 31 position of binding post on patchboard 3, are oriented to cone cylinder 21 and connect
After terminal 31 contacts, squeezing action is generated to compression spring 22, the reaction force of compression spring 22 makes guiding cone cylinder 21 and metal connection column 31
Pressure cooperation is formed, ensure that binding post 31 and is oriented to effective electrical connection of cone cylinder 21.Patchboard 3 by connecting wire 9 with
GIS current transformers 10 are electrically connected（As shown in Figure 5）, equipotential plate 1 plays the role of all binding posts of short circuit 31；Equal electricity
The position earthing block dead earth cable of plate 1 and the connection of grounded screen, it is ensured that 1 effective grounding of equipotential plate finally realizes all
The reliable ground of binding post 31.
The emphasis of the present invention is that：Using contact assembly.
The above, only present pre-ferred embodiments, the structure type of contact assembly can there are many, therefore cannot be with
This is limited the scope of implementation of the present invention, i.e., according to equivalence changes made by scope of the present invention patent and description with repair
Decorations, all should still remain within the scope of the patent.
Claims (2)
1. a kind of secondary circuit tooling of GIS current transformers high-potting, it is characterised in that：Including patchboard, equipotential plate,
Multiple contact assemblies；The outer of the patchboard is mounted between the upper press ring and bottom flange of GIS current transformers and passes through
Upper press ring fixing bolt is fixed, and sealing ring is equipped between the bottom flange of patchboard and GIS current transformers and completely cuts off internal gas；Deng
The outer of current potential plate is fixed on the top surface of the upper press ring of GIS current transformers；Multiple contact assembly intervals stationary arrangement
In the bottom surface of equipotential plate；The contact assembly include be oriented to cone cylinder, compression spring, interior positioning tube, ground wire, interior positioning tube it is upper
End is vertically fixed on the bottom surface of equipotential plate, and the lower end activity of interior positioning tube, which is nested with, to be oriented in cone cylinder, and the lower end of cone cylinder is oriented to
It is resisted against on the binding post of patchboard, compression spring is nested with to be acted against equipotential plate and be oriented to respectively at the both ends of interior positioning tube and compression spring
Cone cylinder inner bottom surface, ground wire, which is connected electrically in, to be oriented between cone cylinder and equipotential plate.
2. the secondary circuit tooling of GIS current transformers high-potting according to claim 1, it is characterised in that：It is described
Guiding cone cylinder there is the cavity of an open at one end, the cavity to be oriented to the bottom surface of cone cylinder for housing compression spring and interior positioning tube
It is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610152198.4A CN105785080B (en) | 2016-03-17 | 2016-03-17 | The secondary circuit tooling of GIS current transformer high-pottings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610152198.4A CN105785080B (en) | 2016-03-17 | 2016-03-17 | The secondary circuit tooling of GIS current transformer high-pottings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105785080A CN105785080A (en) | 2016-07-20 |
| CN105785080B true CN105785080B (en) | 2018-09-04 |
Family
ID=56393890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610152198.4A Expired - Fee Related CN105785080B (en) | 2016-03-17 | 2016-03-17 | The secondary circuit tooling of GIS current transformer high-pottings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105785080B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517577B (en) * | 2021-06-08 | 2023-03-07 | 平高集团有限公司 | Temperature rise test patch board and temperature rise test connector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4641218A (en) * | 1985-03-15 | 1987-02-03 | At&T Bell Laboratories | Protector with circuit disabler |
| CN2202978Y (en) * | 1994-08-31 | 1995-07-05 | 湖南电力电瓷电器厂 | Final-screen automatic grounding protector |
| CN201259956Y (en) * | 2008-12-30 | 2009-06-17 | 山东泰开互感器有限公司 | Spring pressing electric connection for voltage mutual inductor |
| CN201886888U (en) * | 2010-11-15 | 2011-06-29 | 山东泰开互感器有限公司 | High-voltage wiring device for voltage transformer used on combined electrical apparatus |
| CN105353178A (en) * | 2015-12-07 | 2016-02-24 | 国家电网公司 | Single-point movable grounding apparatus for extra-high voltage main transformation partial discharge test |
| CN205539068U (en) * | 2016-03-17 | 2016-08-31 | 许继（厦门）智能电力设备股份有限公司 | GIS current transformer high -voltage testing's secondary circuit frock |
-
2016
- 2016-03-17 CN CN201610152198.4A patent/CN105785080B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4641218A (en) * | 1985-03-15 | 1987-02-03 | At&T Bell Laboratories | Protector with circuit disabler |
| CN2202978Y (en) * | 1994-08-31 | 1995-07-05 | 湖南电力电瓷电器厂 | Final-screen automatic grounding protector |
| CN201259956Y (en) * | 2008-12-30 | 2009-06-17 | 山东泰开互感器有限公司 | Spring pressing electric connection for voltage mutual inductor |
| CN201886888U (en) * | 2010-11-15 | 2011-06-29 | 山东泰开互感器有限公司 | High-voltage wiring device for voltage transformer used on combined electrical apparatus |
| CN105353178A (en) * | 2015-12-07 | 2016-02-24 | 国家电网公司 | Single-point movable grounding apparatus for extra-high voltage main transformation partial discharge test |
| CN205539068U (en) * | 2016-03-17 | 2016-08-31 | 许继（厦门）智能电力设备股份有限公司 | GIS current transformer high -voltage testing's secondary circuit frock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105785080A (en) | 2016-07-20 |
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