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a micro switch

A technology of micro switch and moving contact, which is applied in the field of switches and can solve problems such as short service life and permanent damage

Active Publication Date: 2021-03-23
NEW H3C BIG DATA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, for mechanical micro switches, the metal shrapnel will generate fatigue stress after being pressed many times, which will cause physical permanent damage after reaching a certain limit, and the service life is short

Method used

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Embodiment Construction

[0031] The exemplary embodiment will be described in detail herein, and examples thereof are shown in the drawings. The following description is related to the drawings, unless otherwise indicated, the same numbers in the drawings represent the same or similar elements. The embodiments described in the exemplary embodiments are not meant to all embodiments consistent with the present application. In contrast, examples of apparatus and methods consistent with some aspects of the present application are intended in detailed in the appended claims.

[0032] The terms used in this application are only for the purpose of describing particular embodiments, not to limit the invention. Unless otherwise defined, the technical term or scientific terminology used in this application should be understood from the usual meaning of people who have general skills in the art of the present application. The "first", "second" and similar words used in the present application and the claims are not ...

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Abstract

The application provides a micro switch. The micro switch comprises a shell, a moving contact and a static contact which are arranged in the shell, and a reset magnet. The moving contact is a first magnet, and the first magnet moves towards the side close to the static contact under the action of the closing force so that the moving contact point of the moving contact is connected with the staticcontact point of the static contact. The reset magnet is arranged in the shell and is used for applying a magnetic field force for resetting the first magnet to the first magnet. After the closing force is removed, the first magnet resets under the action of the magnetic force, so that the moving contact point is separated from the static contact point. In the scheme, the moving contact, the static contact and the reset magnet will not deform and will not generate fatigue stress due to deformation in the connection and separation processes of the moving contact point and the static contact point. Therefore, compared with the mechanical micro switch in the prior art, the micro switch has a longer service life and better sensitivity and hand feel of touch.

Description

Technical field [0001] The present application relates to the field of switching technology, and in particular, a micro switch is related to a micro switch. Background technique [0002] The existing micro-switch is usually used to achieve a transient electricity, for example, the conductive portion is an arc-shaped metal shrapnel, and the metal shrapnel has elasticity. Under external force, the metal shrapnel can be depressed, and generates and conductive A relative displacement of partial electrical contact, at this time, the micro switch is turned on. When the external force is removed, the metal shrapnel resumes deformed, and the metal shrapnel is disconnected from the conductive portion, and the micro switch is broken, thereby implementing the control of the circuit. [0003] However, for mechanical micro switches, the metal shrapnel can cause fatigue stress to cause a certain limit, which can cause a physical permanent damage and a short service life. Inventive content [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H36/00
CPCH01H36/0033H01H2036/0086
Inventor 唐侃毅
Owner NEW H3C BIG DATA TECH CO LTD
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