Non-contact electric power feeding system, terminal device, non-contact electric power feeding device, and non-contact electric power feeding method
First Claim
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1. A non-contact electric power feeding system, comprising:
- an electric power feeding device; and
an electric power receiving device configured to receive electric power fed from the electric power feeding device,wherein the electric power feeding device includes;
a primary-side coil,a driver configured to supply transmission electric power to the primary-side coil,a primary-side control unit configured to control the transmission electric power to a plurality of levels, anda primary-side communication unit configured to communicate with a side that receives the electric power fed from the primary-side coil,wherein the electric power receiving device includes;
a secondary-side coil configured to receive the electric power transmitted from the primary-side coil,a rectifier unit configured to rectify reception electric power obtained by the secondary-side coil,a regulator configured to convert the reception electric power to electric power of a voltage,a secondary-side communication unit configured to communicate with the primary-side communication unit, anda secondary-side control unit configured to control voltage conversion conducted by the regulator, based on first information of transmission electric power communicated between the secondary-side communication unit and the primary-side communication unit.
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Abstract
Provided is a non-contact electric power feeding system including an electric power feeding device, and an electric power receiving device configured to receive electric power fed from the electric power feeding device. The electric power feeding device includes a primary-side coil, a driver, a primary-side control unit, and a primary-side communication unit. The electric power receiving device includes a secondary-side coil, a rectifier unit, a regulator, a secondary-side communication unit, and a secondary-side control unit.
10 Citations
16 Claims
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1. A non-contact electric power feeding system, comprising:
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an electric power feeding device; and an electric power receiving device configured to receive electric power fed from the electric power feeding device, wherein the electric power feeding device includes; a primary-side coil, a driver configured to supply transmission electric power to the primary-side coil, a primary-side control unit configured to control the transmission electric power to a plurality of levels, and a primary-side communication unit configured to communicate with a side that receives the electric power fed from the primary-side coil, wherein the electric power receiving device includes; a secondary-side coil configured to receive the electric power transmitted from the primary-side coil, a rectifier unit configured to rectify reception electric power obtained by the secondary-side coil, a regulator configured to convert the reception electric power to electric power of a voltage, a secondary-side communication unit configured to communicate with the primary-side communication unit, and a secondary-side control unit configured to control voltage conversion conducted by the regulator, based on first information of transmission electric power communicated between the secondary-side communication unit and the primary-side communication unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A terminal device, comprising:
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a secondary-side coil configured to receive electric power transmitted from a primary-side coil of an electric power feeding device; a rectifier unit configured to rectify reception electric power obtained by the secondary-side coil; a regulator configured to convert the reception electric power to electric power of a voltage; a communication unit configured to communicate with the electric power feeding device; and a control unit configured to control voltage conversion conducted by the regulator based on information of transmission electric power communicated between the communication unit and the electric power feeding device. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A non-contact electric power feeding method, comprising:
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converting, by a regulator, electric power received by a secondary-side coil to electric power of a voltage, wherein non-contact electric power feeding is conducted from an electric power feeding device including a primary-side coil to an electric power receiving device including the secondary-side coil; and controlling voltage conversion conducted by the regulator, based on information obtained in communication between the electric power feeding device and the electric power receiving device.
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Specification