Capacitive touch dimmer 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 prevention, difficult to achieve good results, less user-friendly operation, electric shock, etc., to achieve waterproof and dustproof effect. Good, humanized control, high safety factor
CN103687158BInactive Publication Date: 2016-07-27DONGGUAN ZHENYUAN MECHANICAL EQUIP
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
DONGGUAN ZHENYUAN MECHANICAL EQUIP
Publication Date
2016-07-27
Estimated Expiration
Not applicable ยท inactive patent

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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.
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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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