CONTACTLESS POWER TRANSFER SYSTEM AND POWER TRANSMISSION DEVICE
1 Assignment
0 Petitions
Accused Products
Abstract
A power reception unit includes a resonance circuit for contactlessly receiving electric power output from power transmission units. Each of the power transmission units is configured to be able to form a plurality of resonance circuits having circuit configurations different from each other. A communication unit transmits information about a configuration of the resonance circuit of the power reception unit to a communication unit. A power supply ECU controls the power transmission units such that a resonance circuit of the plurality of resonance circuits which has a circuit configuration identical to that of the resonance circuit of the power reception unit is formed in the power transmission units.
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Citations
12 Claims
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1-6. -6. (canceled)
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7. A contactless power transfer system, comprising:
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a charging station; and a vehicle configured to contactlessly receive electric power from the charging station, the charging station including; a power transmission unit for contactlessly transmitting the electric power to the vehicle; and a first communication device configured to communicate with the vehicle, the vehicle including; a resonance circuit for power reception configured to contactlessly receive the electric power output from the power transmission unit; and a second communication device configured to communicate with the charging station, the power transmission unit being configured to be able to form a plurality of resonance circuits for power transmission having circuit configurations different from each other, the second communication device transmitting information about the resonance circuit for power reception to the first communication device, the charging station further including a control device configured to control the power transmission unit, when the information is received by the first communication device, to form a resonance circuit in the power transmission unit based on the received information, the control device controlling the power transmission unit, when the information is received by the first communication device, to form a resonance circuit of the plurality of resonance circuits for power transmission in the power transmission unit, the resonance circuit having a circuit configuration identical to that of the resonance circuit for power reception. - View Dependent Claims (11)
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8. A contactless power transfer system, comprising:
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a charging station; and a vehicle configured to contactlessly receive electric power from the charging station, the charging station including; a power transmission unit for contactlessly transmitting the electric power to the vehicle; and a first communication device configured to communicate with the vehicle, the vehicle including; a resonance circuit for power reception configured to contactlessly receive the electric power output from the power transmission unit; and a second communication device configured to communicate with the charging station, the power transmission unit being configured to be able to form a plurality of resonance circuits for power transmission having circuit configurations different from each other, the second communication device transmitting information about the resonance circuit for power reception to the first communication device, the charging station further including a control device configured to control the power transmission unit, when the information is received by the first communication device, to form a resonance circuit in the power transmission unit based on the received information, the power transmission unit including a switching circuit for selectively forming a resonance circuit for power transmission having any of an S configuration, a P configuration, an SP configuration, and a PS configuration.
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9. A power transmission device, comprising:
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a power transmission unit configured to contactlessly transmit electric power to a vehicle; a communication device configured to communicate with the vehicle, the vehicle including a resonance circuit for power reception configured to contactlessly receive the electric power output from the power transmission unit, the power transmission unit being configured to be able to form a plurality of resonance circuits for power transmission having circuit configurations different from each other, the communication device being configured to receive information about the resonance circuit for power reception from the vehicle; and a control device configured to control the power transmission unit to form a resonance circuit in the power transmission unit based on the information from the vehicle received by the communication device, the control device controlling the power transmission unit to form a resonance circuit of the plurality of resonance circuits for power transmission in the power transmission unit based on the information from the vehicle received by the communication device, the resonance circuit having a circuit configuration identical to that of the resonance circuit for power reception. - View Dependent Claims (12)
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10. A power transmission device, comprising:
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a power transmission unit configured to contactlessly transmit electric power to a vehicle; a communication device configured to communicate with the vehicle, the vehicle including a resonance circuit for power reception configured to contactlessly receive the electric power output from the power transmission unit, the power transmission unit being configured to be able to form a plurality of resonance circuits for power transmission having circuit configurations different from each other, the communication device being configured to receive information about the resonance circuit for power reception from the vehicle; and a control device configured to control the power transmission unit to form a resonance circuit in the power transmission unit based on the information from the vehicle received by the communication device, the power transmission unit including a switching circuit for selectively forming a resonance circuit for power transmission having any of an S configuration, a P configuration, an SP configuration, and a PS configuration.
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Specification