Wireless power transmission motor and motor driving method
The invention provides a wireless power transmission motor, which comprises a power transmission unit for transmitting a radio wave to transmit power, a power receiving unit for wirelessly receiving the radio wave transmitted from the power transmission unit and a DC motor driven by the power receiv...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a wireless power transmission motor, which comprises a power transmission unit for transmitting a radio wave to transmit power, a power receiving unit for wirelessly receiving the radio wave transmitted from the power transmission unit and a DC motor driven by the power receiving unit, wherein the power transmission unit comprises a signal generation circuit and a power transmission circuit which are electrically connected in sequence; the power transmission circuit comprises a half-bridge inverter circuit, a first capacitor and a transmitting coil which are electrically connection in series in sequence; the first capacitor and the transmitting coil form a first LC resonance circuit with a first oscillation frequency; the power receiving unit comprises a receiving coil, a second capacitor and a full-bridge rectifier circuit which are electrically connected in series in sequence and form a power receiving circuit; and the second capacitor and the receiving coil form a second LC resonance |
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