High-power LED lamp power supply with function of delay protection
A technology of LED lighting and time-delay protection, which is applied in the direction of electric light source, lighting device, lamp circuit layout, etc., can solve the problems of bulky transformer, large internal power consumption, bulky power supply, etc., and achieve light weight and low internal power consumption , small size effect
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[0012] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.
[0013] Embodiments of the present invention relate to a high-power LED lighting power supply with a delay protection function, such as figure 1 As shown, it includes a front-stage circuit and a rear-stage circuit, and the front-stage circuit includes a resistance-capacitance step-down circuit and a rectification filter circuit; the rear-stage circuit includes a voltage-dividing charging circuit; The AC output terminal is conne...
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