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Touch alternating current power switch

An AC power supply, touch-type technology, applied in the field of touch-type AC power switch, to achieve the effect of reliable circuit structure, low manufacturing cost and long service life

Inactive Publication Date: 2014-12-31
欧阳天
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the practical application of this type of switch will be subject to some restrictions

Method used

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  • Touch alternating current power switch
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  • Touch alternating current power switch

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0054] The present invention employs the following unit circuits.

[0055] The specific line connection method is as follows: figure 2 As shown, its description is as follows:

[0056] Bridge rectification (1) circuit is made up of diodes D4, D5, D6, D7.

[0057] The main control switch (2) circuit is composed of a one-way thyristor Q3, a diode D1, a capacitor C7, a resistor R6, etc., and C7 is connected to both ends of R6 in parallel.

[0058] Voltage adjustment and overcurrent detection (3) The circuit is composed of transistor Q7, diode D8, resistors R12, R13, R14, R15 and so on.

[0059] The on-state trigger (4) circuit is composed of a field effect transistor Q1, a one-way thyristor Q2, resistors R1, R2, R3, R5, capacitors C1, C2 and the like.

[0060] Delay circuit (5) circuit is made up of transistor Q6, resistor R7, capacitor C4, diode D2, D3 etc.

[0061] The RC delay (6) circuit is made up of resistor R9 and capacitor C5.

[0062] The off-state trigger (7) circ...

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Abstract

The invention relates to a touch alternating current power switch. By virtue of a characteristic that a human body induces an alternating current signal and through touch induction of a finger, an aim of turning on or turning off an alternating current power supply is achieved; the touch alternating current power switch is applicable for turning on or turning off an illuminating circuit and electrical and electronic equipment which are powered by the alternating current power supply. The touch alternating current power switch has the characteristics as follows: the touch alternating current power switch does not have current in a ready mode, adopts a serial wiring way that a single live wire goes in and out, without using an additional neutral wire, is operated by a single key, can be used by electrical loads with different powers and different impedances, has the overload protection function, does not change the original input current waveforms of the electrical loads, can automatically keep high working efficiency, is applicable to segmented dimming control of a switch in a modern illuminating system, is free of noise, non-contact, long in service life, reliable in circuit structure and low in manufacturing cost, can be compatible with or replace the conventional mechanical touch switch, and is applicable to manufacture of a modularized, integrated, single-key, multi-key or multi-way switch.

Description

technical field [0001] The invention relates to a touch-type AC power switch, which is an electronic switch composed of electronic components and circuits, and is suitable for power-on or power-off of lighting circuits powered by AC power and electronic and electrical equipment. Background technique [0002] With the rapid development of modern technology, the AC power switch, as a control component of electronic and electrical circuits, is also constantly evolving. The traditional toggle or key-type mechanical contact switches have disadvantages such as high noise and short life, which are insufficient for the needs of modern life. And because precious metal resources such as copper and silver used in such products are in short supply day by day, production costs continue to climb. Therefore, in the long run, it will be a development trend to gradually replace traditional mechanical contact switches. [0003] Today's touch technology is widely used, but in addition to the...

Claims

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Application Information

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IPC IPC(8): H03K17/96H03K17/72
Inventor 欧阳天
Owner 欧阳天
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