Construction unit for accepting absorbers

A technology of structural unit and absorbing element, which is applied in the direction of electrical components, switchgear setting, high-voltage air circuit breaker, etc., can solve the problems of damping element danger, etc., and achieve the effect of ensuring cooling, increasing possibility, and reducing pressure

Inactive Publication Date: 2007-05-23
ORMAZABAL ANLAGENTECHN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under the action of an arc fault, they can be melted and / or torn off from the fixed part, which can cause the damping element to escape from the opening of the pressure relief channel and cause a hazard

Method used

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  • Construction unit for accepting absorbers
  • Construction unit for accepting absorbers
  • Construction unit for accepting absorbers

Examples

Experimental program
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Effect test

Embodiment Construction

[0039] The parts of the following structural units are shown in the drawings:

[0040] - a first lower retaining plate 12, which has grid holes 16 and is screwed or riveted to the absorber housing 40,

[0041] - first lower perforated plate 14 (ductile metal, optional),

[0042] - three ceramic absorbing elements 10, 10', 10" with vertical channels 11,

[0043] - second upper perforated cover plate 18 (or also ductile metal),

[0044] - a second retaining plate 20 (with grid holes 16), which is screwed or riveted on the absorber housing (chamber 40),

[0045] - Housing with side panels 50 formed at right angles.

[0046] The figure schematically shows a stack of three absorbent elements 10, 10', 10" placed on top of each other. In this configuration, twelve absorbent elements can be arranged in one plane on the lower holding plate in the absorbent housing. Depending on the power range of the switchgear and the size of the chamber, it is also possible to fill the entire cro...

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Abstract

The module has the hot gas directed to at least one flow path containing at least one monolithic ceramic absorber element (10,10',10'') packed into a flow chamber (40) for the hot gas and provided with channels (11) for passage of the hot gas having a cross-section of between 2 and 10 mm and extending in the main flow direction.

Description

technical field [0001] The invention relates to a structural unit for receiving at least one element for absorbing or damping hot escaping gases caused by arcs in a high-voltage or medium-voltage electrical functional unit, in particular a high-voltage or medium-voltage switchgear. Background technique [0002] Document DE 196 45 304 C2 discloses a bushing as a damping element which is arranged at the end of a pressure-relief channel of an otherwise closed medium-voltage switchgear. The damping element in the bushing is a metal deflector plate, which is fixed offset in the path of the exhaust gas as a gusset. [0003] Another structural unit is known from DE 198 58 952 C1. In this structural unit there is a defined outflow channel for the hot gases and a chamber is formed there, which is filled up to 70% of its volume with loose, preferably spherical damping bodies. The damping body consists of plastic and is coiled by the passing gas, thereby cooling, deionizing and dampi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H33/04H01H9/30H02B13/025H01H33/58
CPCH02B13/025H01H2033/568H01H33/58
Inventor 彼得·格拉斯马赫尔
Owner ORMAZABAL ANLAGENTECHN
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