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Device for electrical switching elements with hermetically sealed construction

A technology of sealing structure and sealing element, which is applied in the field of electric switching element devices, can solve the problems of reducing the service life of electric switching elements, and achieve the effects of reducing the amount of switching noise, reducing adverse effects, and reducing stress

Active Publication Date: 2018-09-11
TE CONNECTIVITY GERMANY GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This results in a reduced service life of the electrical switching elements

Method used

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  • Device for electrical switching elements with hermetically sealed construction
  • Device for electrical switching elements with hermetically sealed construction
  • Device for electrical switching elements with hermetically sealed construction

Examples

Experimental program
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Embodiment Construction

[0037] figure 1 A cross section of a part of an embodiment of an arrangement of an electrical switching element 1 according to the invention is shown. The arrangement for the electrical switching element 1 comprises a switching chamber 3 . The switch chamber 3 contains contacts 5 . The illustrated contact arrangement 7 is designed in the form of a contact bridge for connecting two contacts 5 , which is only an example of contacts 5 that can be disconnected and / or connected.

[0038] The opening 11 is in the wall 9 of the switching chamber 3 . The pusher element 13 protrudes through the opening 11 into the switch cavity 3 . The advancing element 13 is functionally coupled to the contact 5 . exist figure 1 , the propulsion element 13 is in its end position E. The propulsion element 13 is surrounded by a sealing formation 15 . In the end position E of the advancing element 13 , the opening 11 is sealed by a sealing formation 15 . In the end position E, the interior 17 of ...

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Abstract

The invention relates to a device for an electrical switching element (1), comprising: a switching chamber (3) for receiving contacts (5) capable of making and / or breaking; at least one movable push an element (13), which protrudes through the opening (11) of the switch cavity (3) to open or close the contacts (5); and a sealing formation (15), which surrounds the propulsion element (13 ), said opening (11) is sealed at least at the end position (E) of the propulsion element (13) by a sealing formation (15) having an annular bulge (23) surrounding the opening (11) and at Annular flange (25) on pusher element (13). To provide a device for an electrical switching element (1) which rapidly and effectively eliminates any arcing and protects components outside the switching chamber (3) from the plasma formed by the arcing, while at the same time providing a particularly compact, An electrical switching element that can be produced cheaply, the invention makes the annular flange (25) adjoin the annular bead in the end position (E) of the pusher element (13).

Description

technical field [0001] The invention relates to a device for an electrical switching element, said device comprising: a switching cavity for receiving contacts capable of making and / or breaking; at least one movable pusher element protruding through the switch the opening of the chamber to break or make contacts; and a sealing formation around the advancing element, which seals the opening at least at the terminal position of the advancing element, and which has an annular ridge surrounding said opening and An annular flange on an element. Background technique [0002] Electrical switching elements, such as relays or contactors, are long-established standard components in electrical engineering. When the contacts break, especially at high current intensities, arcs often form between the contacts. Arc formation is problematic, on the one hand because the arcs are conduits so that as long as the arc is present the circuit is not interrupted, and on the other hand because the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H50/02H01H50/30
CPCH01H50/023H01H50/30H01H33/04
Inventor T.黑内尔A.凯特C.马兰克R.瓦格纳T.齐格勒
Owner TE CONNECTIVITY GERMANY GMBH
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