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

• Main Authors: PARK, Su Bin, LEE, Jong Heon, PARK, Soo Young
• Format: Patent
• Language: English
• Published: 14.06.2018
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

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.