A kind of led drive power control device

Abstract

The invention relates to the technical field of control over driving power supplies, and provides a control device of an LED driving power supply. The control device of the LED driving power supply comprises an input module, a controller, at least one rectification module, a driving module and an LED lamp, wherein the rectification modules are connected in parallel to form a rectification module block, the input module provides alternating current electric signals for the rectification module block, the rectification module block converts alternating current into direct current and outputs the direct current to the driving module, and the driving module drives the LED lamp. The controller adjusts output current of the driving module to reach a first preset value, so that the brightness of the LED lamp is reduced, the brightness of the LED lamp is adjusted when people are fewer at night, the LED lamp is made to become dark, when the LED lamp works at a certain brightness value, input signals and output signals of the rectification modules are monitored, and the efficiency of an entire grid system is controlled according to the input signals and the output signals, so that the efficiency at the optimal state is obtained.

Description

technical field [0001] The present invention relates to the technical field of drive power control, in particular to an LED drive power control device. Background technique [0002] At present, due to the advantages of energy saving and high efficiency, the application of LED lights is becoming more and more extensive. Compared with traditional light sources, LED lights have a longer life. Under the same power, the lighting effect can save more than 80% energy than traditional light sources. Green light sources have better environmental protection effects, especially when LED lights are widely used in street lights. However, when there are few people in the middle of the night, the demand for street lights is not too much. Keeping LED lights at a fixed brightness will cause a certain amount of waste. Therefore, The street lamp power supply system will dim the brightness of street lamps in the dead of night when there are few people. The method used in the prior art is to re...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a LED drive power control device, aiming to solve the problems in the prior art that the brightness of the LED lamp remains unchanged when the LED lamp is used and the power consumption efficiency of the power supply system is not high even after the brightness is lowered.

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