Kinetic energy power bank
OwnerShiliang Lininventor
Life of this patent
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Abstract
The present utility model discloses a kinetic energy power bank, comprising a housing, a power generation device, a circuit board, and an energy storage battery. The circuit board is connected to the power generation device. The power generation device has a magnet and a conductive coil disposed therein. In the present utility model, the design of an energy conversion circuit and a layout structure inside the housing is optimized. In this way, the structure of the circuit becomes simpler, costs and electric energy loss are reduced, and the energy conversion rate is higher. Besides, the problem that normal operation of the device is affected due to element interference with each other and thermal energy accumulation is resolved.
Claims6
A kinetic energy power bank, comprising a housing, a power generation device, a circuit board, and an energy storage battery, wherein the power generation device, the circuit board, and the energy storage battery are installed in the housing, the circuit board is connected to the power generation device, the energy storage battery is connected to the circuit board, the power generation device has a magnet and a conductive coil disposed therein, circuits on the circuit board comprise an input rectifier circuit, an energy storage circuit, and a boost output circuit, the input rectifier circuit is a bridge rectifier circuit formed of eight diodes D2 to D9, and the input rectifier circuit is connected to the conductive coil of the power generation device;
- the energy storage circuit is connected to an output terminal of the input rectifier circuit, and comprises an inductor L1 and a capacitor C2, the capacitor C2 is connected across two output terminals of the input rectifier circuit, one end of the inductor L1 is connected to the capacitor C2 and one end of the input rectifier circuit, and the capacitor C2 is connected to two energy storage batteries;
- and the boost output circuit is connected to the energy storage circuit and comprises a boost control chip U1 and a unidirectional isolation diode D1, a positive electrode of the diode D1 is connected to an LX pin of the boost control chip U1, the LX pin of the boost control chip U1 is connected to the inductor L1 of the energy storage circuit, a GND pin of the boost control chip U1 is connected between the capacitor C2 of the energy storage circuit and one energy storage battery, an OUT pin of the boost control chip U1 is connected to a positive output terminal VOUT+, and a positive output terminal VOUT− is connected to the GND pin.
Dependencies are inferred from the claim text.