Spotlight driving circuit and spotlight
A driving circuit and spotlight technology, which is applied in the layout of electric lamp circuits, electric light sources, lighting devices, etc., can solve the problems of energy waste and achieve high PF value
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[0018] In order to make the objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0019] figure 1 It is a schematic diagram of the circuit structure of the spotlight drive circuit in an embodiment. The spotlight drive circuit 100 includes a rectification filter module 10, a power factor correction module 20, a primary side energy storage filter unit 22, a secondary energy storage filter unit 32 and a winding energy storage filter unit 24 . The primary energy storage filter unit 22 includes a primary coil 222, the secondary energy storage filter unit 32 includes a secondary coil 322, the winding energy storage filter unit includes a winding coil 242, and the primary coil 222, the secondary coil 322 and the winding coil 242 are composed of transformer. The rectification filter module 10 is connected to the primary side en...
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