LED lighting control device
A technology of LED lighting and control devices, applied in lighting devices, energy-saving control technology, lamp circuit layout, etc., can solve the problems of lack of intelligence, poor dimming flexibility, LED output brightness adjustment, etc., to improve comfort and increase power The effect of improving conversion efficiency and using efficiency
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[0017] The present invention will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific examples described here are only used to explain the present invention, but not to limit the present invention.
[0018] Reference figure 1 , The present invention includes an AC / DC conversion module 1, a constant current drive module 2, an intelligent dimming unit 3 and an environmental information acquisition unit 4 connected to an external power supply.
[0019] The AC / DC conversion module 1 converts the mains power into a constant-voltage DC power supply, and realizes a variety of circuits, such as a flyback conversion circuit and a forward conversion circuit, but its power conversion efficiency is low. The key reason is that the circuit topology has defects. In the present invention, the LLC half-bridge resonant converter circuit preferably realizes constant voltage output, such as image 3 As shown, the circuit incl...
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