LED SMART CONTROL CIRCUIT AND LED LIGHTING DEVICE CONTAINING THE SAME
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Accused Products
Abstract
A light-emitting diode (LED) smart control circuit and the related LED lighting device are provided. The LED smart control circuit includes a microprocessor, a bridge rectifier, a transformer circuit, a power grid detection unit, a voltage detection unit, a battery charging controller, a first sampling circuit, a second sampling circuit, a constant current controller, and an external rechargeable battery. The LED smart control circuit is configured for controlling LED light source components to emit light. An LED lighting device includes the LED light source components, a smart control circuit board, a rechargeable battery, a shell, and a lamp head. The smart control circuit board is integrated with the disclosed LED smart control circuit.
11 Citations
40 Claims
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1-20. -20. (canceled)
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21. A light-emitting diode (LED) smart control circuit for controlling LED light source components to emit light, comprising:
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a microprocessor, a bridge rectifier, a transformer circuit, a power grid detection unit, a voltage detection unit, a battery charging controller, a first sampling circuit, a second sampling circuit, a constant current controller, and an external rechargeable battery, wherein; the microprocessor is connected to each of a voltage-dividing point of the first sampling circuit, a control terminal of the battery charging controller, an output terminal of the voltage detection unit, and an output terminal of the power grid detection unit; a power supply input terminal of the battery charging controller is connected to an output terminal of the transformer circuit, and an output terminal of the battery charging controller is connected to a first terminal of the first sampling circuit at a first connection point, the first connection point connecting with the external rechargeable battery; an input terminal of the voltage detection unit is connected to each of a voltage-dividing point of the second sampling circuit, a first terminal of the second sampling circuit is connected to an anode of the bridge rectifier, and a second terminal of the second sampling circuit is connected to a cathode of the bridge rectifier; the power grid detection unit is connected to the input terminal of the LED smart control circuit; and an input terminal of the constant current controller is connected to an output terminal of the transformer circuit, the output terminal and a current detection terminal of the constant current controller being connected to the LED light source components. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification