One key type brightness adjusting device

Abstract

The invention relates to a one key type brightness adjusting device. The device comprises: a brief power supply circuit, a control unit, a detection circuit and a driving circuit. An input terminal of the control unit is connected with the detection circuit and an output terminal is connected with the driving circuit. The control unit receives a sampling signal from the detection circuit, processes, and then outputs a control signal to the driving circuit and controls so as to adjust light source brightness. Through using the device, without changing switches frequently, the needed brightness can be selected. It is more convenient to control. During installing and using, original electric appliance wiring does not need to be reconstructed, which brings great convenience for a user. And costs can be substantially reduced.

Description

technical field [0001] The invention relates to a brightness adjustment device, in particular to a one-button brightness adjustment device. Background technique [0002] my country has a large population and relatively poor per capita resources. In the case of increasingly tense energy sources, energy saving of lamps has far-reaching significance for saving the country's precious electric energy. When people buy lighting fixtures, they are often troubled by how much power they should buy to meet their lighting needs. However, after buying enough lighting fixtures, they are embarrassed that they don’t need such high lighting brightness most of the time. , but the current household lighting fixtures only have switch function and no dimming function, so the situation that the light has to be turned on under the condition of only weak light has occurred, which has caused great waste. At present, the energy-saving direction of lighting lamps is mainly to replace traditional inca...

AI Technical Summary

Problems solved by technology

[0004] Although the above two schemes realize the adjustment of the brightness of the light source, they both need to design a special adjustment device for the light source, and the external adjustment switch needs to modify the original electrical wiring to meet the needs of the entire control circuit of the light source; The time control is relatively complicated, and the cost of energy-saving lamps is relatively high, so that this kind of phase-cut dimmable energy-saving lamps still cannot enter the mass market, and still cannot generally replace incandescent lamps.

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