WIRELESS POWER TRANSMISSION APPARATUS AND CONTROL METHOD THEREFOR, METHOD FOR CONTROLLING WIRELESS POWER RECEPTION APPARATUS, AND WIRELESS POWER TRANSMISSION SYSTEM AND WIRELESS POWER TRANSMISSION METHOD THEREFOR
First Claim
1. A method of controlling a wireless power transmission apparatus including a plurality of wireless power transmission units, the method comprising:
- transmitting wireless power to a wireless power reception apparatus through a first wireless power transmission unit;
sensing an induced current induced in a second wireless power transmission unit when the wireless power reception unit is moved toward the second wireless power transmission unit; and
transmitting wireless power to the wireless power reception apparatus through the second wireless power transmission unit when a magnitude of the induced current sensed in the second wireless power transmission unit meets a preset criterion.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed is a wireless power transmission apparatus. The present apparatus comprises: a first wireless power transmission unit which is connected to a first sensing unit to wirelessly transmit power to a wireless power reception apparatus; a second wireless power transmission unit which is connected to a second sensing unit; and a control unit for controlling the second sensing unit to sense induced current which is induced to the second wireless power transmission unit if the wireless power reception apparatus moves in the direction of the second wireless power transmission unit while power is being wirelessly transmitted to the wireless power reception apparatus, wherein the control unit can wirelessly transmit power to the wireless power reception apparatus through the second wireless power transmission unit if the magnitude of the sensed induced current exceeds a predetermined reference level. Accordingly, apparatus efficiency and user convenience can be improved.
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Citations
20 Claims
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1. A method of controlling a wireless power transmission apparatus including a plurality of wireless power transmission units, the method comprising:
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transmitting wireless power to a wireless power reception apparatus through a first wireless power transmission unit; sensing an induced current induced in a second wireless power transmission unit when the wireless power reception unit is moved toward the second wireless power transmission unit; and transmitting wireless power to the wireless power reception apparatus through the second wireless power transmission unit when a magnitude of the induced current sensed in the second wireless power transmission unit meets a preset criterion. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wireless power transmission apparatus including a plurality of wireless power transmission units, comprising:
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a first wireless power transmission unit connected to a first sensing unit to transmit wireless power to a wireless power reception apparatus; a second wireless power transmission unit connected to a second sensing unit; a controller configured to control the second sensing unit to sense an induced current induced in the second wireless power transmission unit when the wireless power reception apparatus is moved toward the second wireless power transmission unit while the wireless power is being transmitted to the wireless power reception apparatus, wherein the controller transmits the wireless power to the wireless power reception apparatus through the second wireless power transmission unit when a magnitude of the sensed induced current exceeds a preset reference. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method for controlling a wireless power transmission apparatus including a plurality of wireless power transmission units, the method comprising:
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transmitting wireless power to a wireless power reception apparatus through at least one of the wireless power transmission units; sensing, when the wireless power reception apparatus is moved in a specific direction during transmission of the wireless power, an induced current induced in each of at least one of the wireless power transmission units arranged on a side corresponding to the specific direction; and transmitting, when a magnitude of the induced current sensed in at least one of the wireless power transmission units arranged on the side corresponding to the specific direction exceeds a preset reference, the wireless power to the wireless power reception apparatus through the at least one wireless power transmission unit having the induced current exceeding the preset reference.
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14. A wireless power transmission apparatus including a plurality of wireless power transmission units, comprising:
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at least one first wireless power transmission unit configured to transmit wireless power to a wireless power reception apparatus; at least one second wireless power transmission unit arranged on a side corresponding to a specific direction and connected to each of at least one sensing unit in a one-to-one correspondence manner; and a controller configured to sense, when the wireless power reception apparatus is moved in the specific direction during transmission of the wireless power, an induced current induced in at least one of the at least one second wireless power transmission unit, through at least one of the at least one sensing unit, wherein, when a magnitude of the induced current sensed in at least one of the at least one second wireless power transmission unit arranged on the side corresponding to the specific direction exceeds a preset reference, the controller transmits the wireless power to the wireless power reception apparatus through the at least one wireless power transmission unit having the induced current exceeding the preset reference.
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15. A method for controlling a wireless power reception apparatus for receiving wireless power from a wireless power transmission apparatus including a plurality of wireless power transmission units, the method comprising:
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receiving the wireless power from the wireless power transmission apparatus; and broadcasting a command signal when a reception efficiency of the received wireless power is less than a preset reference value.
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16. A method for controlling a wireless power transmission apparatus including a plurality of wireless power transmission units, the method comprising:
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receiving, by at least one of the wireless power transmission units, a command signal transmitted from a wireless power reception apparatus; measuring a reception sensitivity of each of the at least one wireless power transmission unit receiving the command signal; and transmitting the wireless power to the wireless power reception apparatus using a specific wireless power transmission unit having the measured reception sensitivity that meets a predetermined criterion.
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17. A method for transmitting wireless power in a wireless power transmission system including a plurality of wireless power transmission apparatuses, the method comprising:
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transmitting the wireless power to a wireless power reception apparatus through a first wireless power transmission apparatus; sensing, when the wireless power reception apparatus is moved toward a second wireless power transmission apparatus during transmission of the wireless power, an induced current induced in the second wireless power transmission apparatus; and transmitting, when a magnitude of an induced current sensed in the second wireless power transmission apparatus meets a preset criterion, the wireless power to the wireless power reception apparatus through the second wireless power transmission apparatus. - View Dependent Claims (18)
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19. A wireless power transmission system including a plurality of wireless power transmission apparatuses, comprising:
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a first wireless power transmission apparatus configured to transmit wireless power to a wireless power reception apparatus; and a second wireless power transmission apparatus disposed on a side corresponding to a direction of movement of the wireless power reception apparatus to sense an induced current when the wireless power reception apparatus is moved during transmission of the wireless power, wherein, when a magnitude of the sensed induced current meets a predetermined criterion, the wireless power transmission apparatus transmits the wireless power to the wireless power reception apparatus. - View Dependent Claims (20)
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Specification