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electrical switch housing

A housing and switch technology, which is used in electrical switches, high-voltage/high-current switches, electrical components, etc.

Active Publication Date: 2017-07-11
ABB (SCHWEIZ) AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Various solutions have been tried to evacuate the gas from the housing, but there is still room for improved gas evacuation components

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0018] Rotary electrical switches may include multiple switch modules stacked together. Each switch module may comprise two halves which may be arranged opposite each other. figure 1 Example showing half of a shell module. The other half (not shown) may be a mirror image of the half shown in the figure. figure 1 The module half 100 shown in is referred to below as a rotary switch housing or housing.

[0019] Housing 100 includes a bottom wall 102 that serves as a mounting base for mounting the housing to, for example, a rail. The direction of the bottom wall is hereinafter referred to as "horizontal direction". The housing also includes side walls 104 and 106 that are substantially perpendicular to the bottom wall. The top wall 108 is parallel to the bottom wall.

[0020] It can be seen that the walls can have small notches, such as the bottom wall has a notch in the middle that can be used to mount the housing. Walls such as side walls 104 and 106 are in figure 1 The c...

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PUM

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Abstract

A rotary switch housing (100) includes a bottom wall (102) for mounting the switch housing (100) on an installation base, and side walls (104, 106) extending from the bottom wall (102), the switch housing The body further includes an arc chamber (120) for extinguishing an arc, and a gas exhaust channel (130) for exhausting gas formed in the arc chamber (120) out of the housing (100). The gas discharge channel (130) includes a guide portion (130A) substantially parallel to the side wall (106) of the housing (100) to guide the gas away from the bottom wall (106) of the housing (100). 102) direction.

Description

technical field [0001] This invention relates to electrical switch housings. Background technique [0002] Arcing occurs when the contacts of an electrical switch separate from each other. Gases generated by the arc will be exhausted from the housing. [0003] Various solutions have been tried to vent the gas from the housing, but there is still room for improving the gas venting assembly. Contents of the invention [0004] It is an object of the present invention to provide a switch that alleviates the above disadvantages. The object of the invention is achieved by a rotary switch housing comprising a bottom wall for mounting the switch housing on a mounting base, and side walls extending substantially perpendicular to the bottom wall, the switch housing comprising two The space for the fixed contacts, and the space for receiving the rotary contacts, which are used as contact bridges between the fixed contacts, the switch case further includes an arc chamber for exting...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H19/08H01H9/34
CPCH01H1/2041H01H1/365H01H1/42H01H9/342H01H9/36H01H19/64H01H19/04H01H19/10H01H33/08
Inventor M.维里瓦伊尼奧J.索丹J.埃洛马亚
Owner ABB (SCHWEIZ) AG