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Capacitive touch light-regulating switch

A dimmer switch, capacitive touch technology, applied in electric light source, light source, electric lamp circuit layout, etc., can solve the problems of waterproof and dust-proof entry, difficult to achieve good results, less user-friendly operation, electric shock, etc., to achieve waterproof and dustproof effect. Good, humanized control, high safety factor

Inactive Publication Date: 2014-03-26
DONGGUAN ZHENYUAN MECHANICAL EQUIP
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  • Abstract
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AI Technical Summary

Problems solved by technology

The knob of this dimmer switch has a very short lifespan, is easily damaged, and the operation is not user-friendly. Due to the existence of the sliding rheostat, it is difficult to achieve good results in terms of waterproof and dust-proof
In addition, the control part of the traditional dimmer cannot be electrically isolated from the mains, and there is a risk of electric shock

Method used

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  • Capacitive touch light-regulating switch

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Embodiment Construction

[0019] The circuit principle of the capacitive touch dimming switch of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0020] The capacitive touch dimming switch of the present invention is characterized in that: the capacitive touch dimming switch includes a power supply circuit, a capacitive sensing processing circuit, an alternating current zero-crossing detection circuit and a microprocessor integrated information processing circuit, wherein the capacitive sensing processing circuit constitutes a capacitor Sensing input, and as the dimming control input of the integrated information processing circuit of the microprocessor, the power supply circuit is mainly responsible for supplying power to the integrated information processing circuit of the microprocessor, the capacitance sensing processing circuit and the AC zero-crossing detection circuit, and the AC zero-crossing detection circuit passes The combination of the ...

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Abstract

The invention discloses a capacitive touch light-regulating switch comprising an AC-DC isolation switch power supply circuit, a capacitive sensing processing circuit, an AC zero-cross detection circuit and a microprocessor integrated information processing circuit. Capacitive sensing input is formed by the capacitive sensing processing circuit and acts as the light regulation control input of the microprocessor integrated information processing circuit. The AC-DC isolation switch power supply circuit is mainly responsible for supplying power to the microprocessor integrated information processing circuit, the capacitive sensing processing circuit and the AC zero-cross detection circuit. The AC zero-cross detection circuit acquires an accurate control signal via combination of an operational amplifier and an optical coupler. Time processing of turn-on and turn-off of a triggering signal of the capacitive sensing processing circuit and the control signal of the AC zero-cross detection circuit is realized by the microprocessor integrated information processing circuit so that so that turn-on time of a lamp is controlled and thus brightness of the lamp is changed. The input is based on the capacitive sensing principle so that the capacitive touch light-regulating switch has advantages of being long in the service life, high in safety coefficient and great in waterproof and dustproof effect.

Description

technical field [0001] The invention relates to the technical field of electronic dimmer switches, in particular to a technology of capacitive touch dimmer switches. Background technique [0002] At present, the traditional electronic dimming switch mainly performs dimming by rotating a sliding rheostat. The knob of this dimmer switch has a short service life, is easily damaged, and the operation is not user-friendly, and due to the existence of the sliding rheostat, it is difficult to achieve good results in terms of waterproofing and dustproofing. In addition, the control part of the traditional dimmer cannot be electrically isolated from the mains, and there is a risk of electric shock. Contents of the invention [0003] The object of the present invention is to provide a capacitive touch dimming switch with long service life, high safety factor and good waterproof and dustproof effect. [0004] The purpose of the present invention is to realize through the following ...

Claims

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Application Information

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IPC IPC(8): H05B37/02
CPCY02B20/42Y02B20/40
Inventor 胡斌
Owner DONGGUAN ZHENYUAN MECHANICAL EQUIP
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