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contact structure

A contact structure and contact technology, applied in the direction of contact parts, connections, unipolar connections, etc., to achieve the effect of preventing arc discharge and preventing arc discharge

Inactive Publication Date: 2018-12-21
SMK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The induced electromotive force generated when one connector connected to the inductive load is pulled out from the other connector connected to the wire will also cause the above-mentioned arc discharge phenomenon

Method used

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Embodiment Construction

[0052] Below, use figure 1 and figure 2 The contact structure 1 of the contact according to one embodiment of the present invention will be described. The contact structure 1 of a contact is a structure in which a plug pin 3 as a second contact contacts a receptacle contact 2 as a first contact for electrical connection. In this specification, moving the second contact 3 toward the first contact 2 figure 1 The left direction of is set as the contact direction, moving away from the contact position with the first contact 2 figure 1 Each part will be described with respect to the right direction as the separation direction, the contact direction as the proximal side, and the separation direction as the distal side. In addition, in each embodiment described in this specification, the same code|symbol is attached|subjected to the structure which has the same or the same function as the contact structure 1 of a contact, and detailed description is abbreviate|omitted.

[005...

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Abstract

The present invention provides a contact structure of contacts capable of reliably preventing occurrence of arc discharge with a simple structure regardless of the magnitude of electric energy accumulated between a pair of contacts that are in contact or separated. An intermediate contact body that is continuous with the first contact along the moving path of the second contact is formed using a material with a higher resistivity than the first contact, and the intermediate contact body is formed so that the cross-sectional area of ​​the cross section orthogonal to the moving path is moving A shape that tapers off in the direction of separation of the path. The resistance value of the middle contact body increases greatly in direct proportion to the distance from the base end connected to the first contact. Therefore, a high resistance value can be achieved with a short length from the base end to the front end, thereby making the middle contact Arcing does not occur between the second contacts separated near the front end of the body.

Description

technical field [0001] The invention relates to a contact structure between a pair of contacts which are electrically connected to an electrical circuit, in particular to a contact structure for generating high electric energy between a pair of contacts which are in contact or separated. Background technique [0002] When an electrical connector that is electrically connected to a wire that transmits high-voltage, high-current power, etc. is connected to the connected side connector is pulled out, because high electric energy is accumulated between a pair of contacts that are kept in contact, therefore, In the meantime, arc discharge phenomenon sometimes occurs. The induced electromotive force generated when one connector connected to the inductive load is pulled out from the other connector connected to the wire will also cause the above-mentioned arc discharge phenomenon. [0003] Arc discharge causes accelerated deterioration of contacts of electrical connectors such as ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R13/02
CPCH01R13/03H01R13/10H01R13/26H01R13/53H01R2101/00H01H33/12
Inventor 饴井俊裕
Owner SMK CO LTD
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