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Three-phase common box switch shell and isolation grounding combination switch

A technology of three-phase common box and combined switch, which is applied in the direction of electric switch, grounding switch, air switch parts, etc., and can solve the problems of large product size and volume, large shell size and volume, etc.

Pending Publication Date: 2021-07-20
HENAN PINGZHI HIGH VOLTAGE SWITCHGEAR +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a three-phase common box switch housing to solve the technical problem of the cylindrical shell size and volume in the prior art; the corresponding purpose of the present invention is also to provide an isolated grounding Combined switch to solve the technical problem of large product size and volume due to the large size and volume of the cylindrical shell in the prior art

Method used

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  • Three-phase common box switch shell and isolation grounding combination switch
  • Three-phase common box switch shell and isolation grounding combination switch
  • Three-phase common box switch shell and isolation grounding combination switch

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specific Embodiment 1

[0034] Before introducing the isolating and grounding combination switch of the present invention, first briefly introduce the isolating and grounding combination switch in the prior art: the isolating and grounding combination switch in the prior art includes a housing, such as figure 1 As shown, the housing is a three-phase common-tank switch housing 101, and the three-phase common-tank switch housing 101 is a cuboid structure as a whole, on which three moving contact connecting flanges 102 arranged in parallel to the axes are arranged, and There is an operating mechanism connecting flange 103, and the axis of the operating mechanism connecting flange 103 is perpendicular to the axis of the moving contact connecting flange 102.

[0035]In the prior art, in order to improve the heat dissipation efficiency of the housing, the three-phase common box switch housing 201 generally adopts a cylindrical structure, such as figure 2 As shown, the moving contact connecting flange 202 ...

specific Embodiment 2

[0045] The difference between it and Embodiment 1 is that in the connection part, the cross section of the axial part parallel to the axis of the cylinder part is a straight structure, and it is connected with the outer peripheral surface of the cylinder part and the radial part through a circular arc transition. .

specific Embodiment 3

[0047] The difference from Embodiment 1 is that the radius of the concave arc of the first radial part is equal to the radius of the cylindrical part, so that the radial part and the cylindrical part are also connected on the same side as the connecting flange of the moving contact. Forming the wave structure can further reduce the cost of the shell, improve the stability of the entire shell structure, and help to improve the heat dissipation efficiency of the shell, and help realize the miniaturization design of the isolating and grounding combination switch.

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Abstract

The invention relates to a three-phase common box switch shell and an isolation grounding combination switch. The three-phase common-box switch shell comprises three barrel parts, wherein the axes of the three barrel parts are parallel and arranged in a coplanar mode, and every two adjacent barrel parts are communicated in the radial direction; connecting parts used for connecting the adjacent barrel parts and comprising axial parts which are opposite in the axial direction of the barrel parts and radial parts which are opposite in the radial direction of the barrel parts, wherein the radial parts extend in the axial direction of the barrel parts, the sections, perpendicular to the axes of the barrel parts, of the radial parts are radial sections, and the radial sections are in an inwards-concave arc shape, so that the radial part and the cylinder part form a wave structure. The surface area of the three-phase common box switch shell is increased through the arrangement of the wave structure, the heat dissipation efficiency of the three-phase common box switch shell is improved, and the section, perpendicular to the axis of the cylinder part, of the radial part is in an inwards-concave arc shape. Compared with a cylindrical shell structure in the prior art, the three-phase common-box shell structure can reduce the size and volume of a three-phase common-box switch shell.

Description

technical field [0001] The invention relates to a three-phase common box switch housing and an isolated grounding combination switch. Background technique [0002] As an important component of GIS, the combined isolation and grounding switch is miniaturized and integrated more and more. In order to improve product competitiveness, the three-phase common box structure of high voltage level has gradually increased in recent years. There are three-phase conductor loops inside the three-phase common box switchgear, and the three-phase conductor loops cause the three-phase common box switchgear to generate high heat, the shell volume is large, and the miniaturization design is difficult. [0003] When the GIS is in normal operation, the isolating and grounding combination switch needs to carry and transmit a certain amount of current. The current-through performance is one of the important performances of the isolating and grounding combination switch. The main factors affecting...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H31/02H01H9/02H01H31/00H01H9/52
CPCH01H31/02H01H9/02H01H31/003H01H9/52H01H2009/526
Inventor 史春玲苏戈秦晓宇刘分赵艳涛王亚鸽马志强龚咪咪张路阳赵晓威
Owner HENAN PINGZHI HIGH VOLTAGE SWITCHGEAR