Simple and reliable touch control switch

By designing a touch control switch that uses a small number of components, and using one-way thyristors and relays to realize the switching function, it solves the problems of unstable action and wear of mechanical self-locking switches, and provides a simple and reliable control switch suitable for Multiple power supply types and application scenarios.

CN102420600AInactive Publication Date: 2012-04-18陈子杨
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
陈子杨
Filing Date
2011-12-11
Publication Date
2012-04-18
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Mechanical self-locking boat switches or pull switches have problems such as mechanical action, different operating actions from person to person, easy contact shaking and easy wear and ablation.

Method used

Design a touch control switch using a small number of common components and two touch electrodes. The switching function is realized through a one-way thyristor control pole and a relay. The circuit structure is simple and strong and weak current is isolated. It is suitable for household appliances and industrial automation fields. .

Benefits of technology

The control switch that realizes the self-locking function overcomes the shortcomings of the mechanical self-locking switch and improves the reliability and durability of the circuit. It is suitable for AC or DC power supply and is suitable for a variety of application scenarios.

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Abstract

The invention relates to a simple and reliable touch control switch. The simple and reliable touch control switch consists of a 12-V direct-current power supply, a one-way silicon controlled rectifier 1 (SCR1) trigger circuit, a one-way silicon controlled rectifier 2 (SCR2) trigger circuit, a relay control circuit and a load RL circuit. A conventional mechanical self-locking rocker switch or a toggle switch has the defects that actions are mechanical, operating actions are different because of persons, a contact is easy to jitter, a contact is easy to ablate, abrade and the like. The touch control switch is realized by only using a small number of common components and two touch metal pieces, namely an on-load circuit is switched on by touching a touch electrode once, and an off-load circuit is switched off by touching the touch electrode once. The overall touch control switch is made of discrete components, and strong electricity can be effectively isolated from weak electricity through a relay, so that the power supply of a load can use alternating current and also can use direct current. Therefore, the touch control switch has a certain function in the field of household appliances, industrial automation, and optical, mechanical and electrical integration.
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