CN105785080A - GIS current transformer high-voltage test secondary circuit tool - Google Patents
GIS current transformer high-voltage test secondary circuit tool Download PDFInfo
- Publication number
- CN105785080A CN105785080A CN201610152198.4A CN201610152198A CN105785080A CN 105785080 A CN105785080 A CN 105785080A CN 201610152198 A CN201610152198 A CN 201610152198A CN 105785080 A CN105785080 A CN 105785080A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- current transformer
- guiding cone
- level plate
- cone cylinder
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title abstract description 6
- 238000004382 potting Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract description 6
- 238000000429 assembly Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 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 GIS current transformer high-voltage test secondary circuit tool, which comprises a patch board, an equipotential board and a plurality of contact assemblies. The plurality of contact assemblies are fixedly arranged on the bottom surface of the equipotential board at a certain interval. Each contact assembly comprises a guiding conical cylinder, a pressure spring, an inner positioning cylinder and a grounding wire. The upper end of each inner positioning cylinder is vertically and fixedly arranged on the bottom surface of the equipotential board; the lower end of each inner positioning cylinder is movably sleeved in the guiding conical cylinder; the lower end of the guiding conical cylinder is abutted against a binding post of the patch board; the pressure spring is sleeved in the inner positioning cylinder; and the grounding wire is electrically connected between the guiding conical cylinder and the equipotential board. Since the inner positioning cylinder of each contact assembly plays a positioning and guiding role, and an outer conical cylinder makes close contact with the binding post through pressure of the pressure spring, thereby realizing short circuit and grounding of all binding posts at the secondary side of a current transformer, and preventing element high-voltage discharge case due to open circuit of the binding posts at the secondary side; and therefore, the tool has the advantages of being simple to assemble, economical and practical, high in reliability and high in work efficiency.
Description
Technical field
The present invention relates to a kind of high-tension testing apparatus, particularly relate to the secondary circuit frock of a kind of GIS current transformer high-potting.
Background technology
At present, GIS device producer is when dispatching from the factory high-potting, the short circuit of secondary wiring of current mutual inductor end is typically all after being wound around by wire and fixes with bolt, this traditional connected mode, bolt and wire is removed one by one after test, owing to binding post is up to tens, the man-hour of consuming is many and easily produces terminal virtual connection, it is easy to cause terminal virtual connection to cause open circuit of secondary loop of current transformer and the serious consequence brought.In order to improve efficiency and test reliability, the present inventor carries out research design for structure structure and the patchboard feature of current transformer, obtains this programme.
Summary of the invention
It is an object of the invention to provide a kind of secondary circuit frock assembling GIS current transformer high-potting simple, economical and practical, that reliability is high.
For achieving the above object, the technical solution of the present invention is:
The present invention is the secondary circuit frock of a kind of GIS current transformer high-potting, including patchboard, isoelectric level plate, multiple contact assembly；The outer of described patchboard is arranged between the upper press ring of GIS current transformer and end flange and is fixed by the fixing bolt of upper press ring, being provided with the internal SF6 gas of sealing ring isolation between the end flange of patchboard and GIS current transformer, the outer of isoelectric level plate is fixed on the end face of the upper press ring of GIS current transformer；Described multiple contact assemblies are according to the certain intervals stationary arrangement bottom surface at isoelectric level plate；Described contact assembly includes guiding cone cylinder, stage clip, inner position cylinder, earth lead, the upper end of inner position cylinder is vertically fixed on the bottom surface of isoelectric level plate, the lower end activity of inner position cylinder is nested with in guiding cone cylinder, the lower end of guiding cone cylinder is resisted against on the binding post of patchboard, stage clip is nested with and acts against isoelectric level plate and guiding cone cylinder inner bottom surface at the two ends of inner position cylinder and stage clip respectively, and earth lead is connected electrically between guiding cone cylinder and isoelectric level plate.
Described guiding cone cylinder has the cavity of an open at one end, and this cavity is used for housing stage clip and inner position cylinder, and the bottom surface of guiding cone cylinder is tapered.
After adopting such scheme, due to the present invention mainly by patchboard, isoelectric level plate, several parts such as multiple contact assemblies are constituted, contact assembly includes guiding cone cylinder, stage clip, inner position cylinder, earth lead, inner position cylinder plays location and guide effect, external conical-tube is in close contact by the secondary connection post of the pressure of stage clip with current transformer, external conical-tube is connected with isoelectric level plate wire, isoelectric level plate passes through earth cable ground connection, it is achieved thereby that all binding post short circuit ground connection of Current Transformer Secondary side, when avoiding GIS current transformer Hi-pot test, secondary side binding post open circuit causes element electrion phenomenon, therefore, it is simple that the present invention has assembling, economical and practical, reliability is high, the advantage that work efficiency is high.
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Accompanying drawing explanation
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the Fig. 1 partial enlarged drawing at A place；
Fig. 3 is the front view of patchboard of the present invention；
Fig. 4 is the Fig. 3 sectional view along line A-A；
Fig. 5 is the use state diagram of the present invention.
Detailed description of the invention
As shown in Figure 1, shown in Figure 5, the present invention is the secondary circuit frock of a kind of GIS current transformer high-potting, including isoelectric level plate 1, multiple contact assembly 2, patchboard 3.
With reference to shown in Fig. 3, Fig. 4, described patchboard 3 has multiple binding post 31 around the center of circle, the outer of patchboard 3 is arranged between the upper press ring 4 of GIS current transformer and end flange 5 and is fixed by the fixing bolt 6 of upper press ring, being provided with sealing ring 7 between the end flange 5 of patchboard 3 and GIS current transformer and completely cut off internal SF6 gas, the outer of isoelectric level plate 1 is arranged on the end face of the upper press ring 4 of GIS current transformer and is fixed by the fixing bolt 8 of frock.Described multiple contact assemblies 2 are arranged on the bottom surface of isoelectric level plate 1 according to certain intervals stationary arrangement.
As in figure 2 it is shown, described contact assembly 2 includes guiding cone cylinder 21, stage clip 22, inner position cylinder 23, earth lead 24.Described guiding cone cylinder 21 has the cavity 211 of an open at one end, and this cavity is used for housing stage clip 22 and inner position cylinder 23, and the bottom surface 212 of guiding cone cylinder 21 is tapered.The upper end of described inner position cylinder 23 is vertically fixed on the bottom surface of isoelectric level plate 1, the lower end activity of inner position cylinder 23 is nested with in guiding cone cylinder 21, the lower end of guiding cone cylinder 21 is resisted against on the binding post 31 of patchboard 3, stage clip 22 is nested with and acts against isoelectric level plate 1 and guiding cone cylinder 21 inner bottom surface at the two ends of inner position cylinder 21 and stage clip 22 respectively, and earth lead 24 is connected electrically between guiding cone cylinder 21 and isoelectric level plate 1.
The operation principle of the present invention:
As shown in Figure 1 and Figure 2, it is fixed on the end face of patchboard 3 by the fixing bolt 8 of frock equipped with the isoelectric level plate 1 of multiple contact assemblies 2, external conical-tube on contact assembly 2 and the binding post 31 position one_to_one corresponding on patchboard 3, after guiding cone cylinder 21 contacts with binding post 31, stage clip 22 is produced squeezing action, the counteracting force of stage clip 22 makes guiding cone cylinder 21 form pressure with metal connection post 31 to coordinate, it is ensured that effective electrical connection of binding post 31 and guiding cone cylinder 21.Patchboard 3 is electrically connected (as shown in Figure 5) with GIS current transformer 10 by connecting wire 9, and isoelectric level plate 1 serves the effect of all binding posts 31 of short circuit；The earthing block dead earth cable of isoelectric level plate 1 and the connection of grounded screen, it is ensured that isoelectric level plate 1 effective grounding, finally achieve the reliable ground of all binding posts 31.
The emphasis of the present invention is that employing contact assembly.
The above, being only present pre-ferred embodiments, the version of contact assembly can have multiple, therefore can not limit scope of the invention process with this, namely the equivalence made according to the present patent application the scope of the claims and description changes and modifies, and all should still remain within the scope of the patent.
Claims (2)
1. the secondary circuit frock of a GIS current transformer high-potting, it is characterised in that: include patchboard, isoelectric level plate, multiple contact assembly；The outer of described patchboard is arranged between the upper press ring of GIS current transformer and end flange and is fixed by the fixing bolt of upper press ring, is provided with sealing ring isolation internal gas between the end flange of patchboard and GIS current transformer；The outer of isoelectric level plate is fixed on the end face of the upper press ring of GIS current transformer；Described multiple contact assembly intervals stationary arrangement is in the bottom surface of isoelectric level plate；Described contact assembly includes guiding cone cylinder, stage clip, inner position cylinder, earth lead, the upper end of inner position cylinder is vertically fixed on the bottom surface of isoelectric level plate, the lower end activity of inner position cylinder is nested with in guiding cone cylinder, the lower end of guiding cone cylinder is resisted against on the binding post of patchboard, stage clip is nested with and acts against isoelectric level plate and guiding cone cylinder inner bottom surface at the two ends of inner position cylinder and stage clip respectively, and earth lead is connected electrically between guiding cone cylinder and isoelectric level plate.
2. the secondary circuit frock of GIS current transformer high-potting according to claim 1, it is characterised in that: described guiding cone cylinder has the cavity of an open at one end, and this cavity is used for housing stage clip and inner position cylinder, and the bottom surface of guiding cone cylinder 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 true CN105785080A (en) | 2016-07-20 |
| CN105785080B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517577A (en) * | 2021-06-08 | 2021-10-19 | 平高集团有限公司 | Temperature rise test patch panel 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517577A (en) * | 2021-06-08 | 2021-10-19 | 平高集团有限公司 | Temperature rise test patch panel and temperature rise test connector |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105785080B (en) | 2018-09-04 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20210317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |