Method for establishing an electrical connection between two contact blocks, associated connection device and high- or medium-voltage device

A connection device and contact block technology, which is applied to the parts, connections, coupling devices, etc. of the connection device, and can solve problems such as difficult assembly and disassembly

Inactive Publication Date: 2010-06-09
AREVA T&D
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, such a structure is difficult to assemble and disassemble, mainly because there are six screws 13 that must be tightened and loosened

Method used

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  • Method for establishing an electrical connection between two contact blocks, associated connection device and high- or medium-voltage device
  • Method for establishing an electrical connection between two contact blocks, associated connection device and high- or medium-voltage device
  • Method for establishing an electrical connection between two contact blocks, associated connection device and high- or medium-voltage device

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0029] figure 1 and figure 2 Two types of connection means according to the prior art for making an electrical connection between two contact blocks are shown.

[0030] They and their disadvantages are described at the beginning of this article.

[0031] In order to overcome the shortcoming of this connecting device set up in the prior art, the inventor proposes the scheme of engaging a compressible telescopic assembly 4 in two contact blocks 2 and 3 having columnar recesses 20 and 30 respectively (see Figure 4 ).

[0032] In the illustrated embodiment, the compressible telescoping assembly 4 basically comprises a rod 40 on which terminals 41 for electrical connection are mounted. The rod 40 and the terminal 41 are made of highly conductive material. Preferably, the end portions 402 and 411 fitted in a corresponding one of the two contact blocks 2 and 3 described below are coated with silver to improve current flow.

[0033] The terminal 41 essentially consists of an in...

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PUM

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Abstract

The present invention relates to a novel electrical connecting device which is provided with cylindrical dents (20, 30) and is used between two contact blocks (2, 3). According to the invention, a conductive extension assembly (4) is adopted. One end of the conductive extension assembly is firstly inserted into one contact block (2) and then retracts so the other end (40, 410) can be inserted into the other contact block (3). The electrical connecting device of the invention facilitates the assembling and detaching of the electrical connection between two components of high-voltage or medium-voltage gas insulation switches (GIS).

Description

technical field [0001] The invention relates to the electrical connection between two contact blocks. [0002] The invention is suitable for use in high or medium voltage switchgear, more particularly in gas insulated switchgear (GIS) units having metal switchgear or metal boxes. [0003] Thus, during maintenance operations of such switching units, the present invention allows for easier disassembly of one or more elements of the GIS unit, such as circuit breakers, bus disconnectors, outer sheathing, etc., without dismantling the entire unit. Background technique [0004] For current transmission between the various components of a particular high-voltage or medium-voltage switch unit, two contact blocks are usually provided which are connected to each other by means of detachable connection means. The use of detachable means between two contact blocks is limited to assembly and disassembly operations in order to facilitate maintenance on one or more of said components. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H1/38H01R4/48
CPCH01R13/635H01R13/53H01R13/2421H02G5/068
Inventor 劳伦特·普罗菲沙尔利·吉拉德
Owner AREVA T&D
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