Wireless power transmission apparatus and wireless power transmission method
First Claim
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1. A wireless power transmission apparatus comprising:
- resonators configured to wirelessly transmit first power to a wireless power reception apparatus;
a controller configured to control a current magnitude and/or a voltage magnitude of second power to be provided to each of the resonators; and
a conductor configured to provide the second power to each of the resonators,wherein the controller is further configured to;
receive, by using a communication unit, information of a voltage and/or a current that are applied to a load of the wireless power reception apparatus;
obtain an efficiency of the wireless power transmission, based on the received information and the current magnitude and/or the voltage magnitude of the second power; and
adjust the current magnitude and/or the voltage magnitude of the second power based on the efficiency of the transmission.
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Abstract
A wireless power transmission apparatus includes resonators configured to transmit a power wirelessly to another resonator, and a controller configured to control a current magnitude and/or a voltage magnitude of a power to be provided to each of the resonators. The apparatus further includes a feeder configured to provide the power to each of the resonators.
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Citations
19 Claims
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1. A wireless power transmission apparatus comprising:
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resonators configured to wirelessly transmit first power to a wireless power reception apparatus; a controller configured to control a current magnitude and/or a voltage magnitude of second power to be provided to each of the resonators; and a conductor configured to provide the second power to each of the resonators, wherein the controller is further configured to; receive, by using a communication unit, information of a voltage and/or a current that are applied to a load of the wireless power reception apparatus; obtain an efficiency of the wireless power transmission, based on the received information and the current magnitude and/or the voltage magnitude of the second power; and adjust the current magnitude and/or the voltage magnitude of the second power based on the efficiency of the transmission. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A wireless power transmission apparatus comprising:
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resonators configured to wirelessly transmit first power to a wireless power reception apparatus; a controller configured to control a current magnitude and/or a voltage magnitude of a second power to be provided to each of the resonators; and a conductor configured to provide the second power to each of the resonators, wherein each of the resonators comprises; a first resonator comprising a surface parallel to an xy plane; a second resonator comprising a surface parallel to a yz plane; and a third resonator comprising a surface parallel to a zx plane.
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12. A wireless power transmission apparatus comprising:
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resonators configured to wirelessly transmit first power to a wireless power reception apparatus; a controller configured to control a current phase and/or a voltage phase of the power to be provided to each of the resonators; and a conductor configured to provide the second power to each of the resonators, wherein the controller is further configured to; receive, by using a communication unit, information of a voltage and/or a current that are applied to a load of the wireless power reception apparatus; obtain an efficiency of the wireless power transmission, based on the received information and the current phase and/or the voltage phase of the second power; and adjust the current phase and/or the voltage phase of the second power based on the efficiency of the transmission. - View Dependent Claims (13, 14, 15)
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16. A wireless power transmission method comprising:
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controlling, by a controller, a current magnitude and/or a voltage magnitude of second power to be provided to each of resonators; providing, by a conductor, the second power to each of the resonators; and wirelessly transmitting, by the resonators, first power to a wireless power reception apparatus, wherein the controlling comprises; receiving, by using a communication unit, information of a voltage and/or a current that are applied to a load of the wireless power reception apparatus; obtaining an efficiency of the transmission, based on the received information and the current magnitude and/or the voltage magnitude of the second power; and adjusting the current magnitude and/or the voltage magnitude of the second power based on the efficiency of the transmission. - View Dependent Claims (17, 18, 19)
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Specification