A foreign object detection device for a wireless power transfer system includes a storage unit that stores first coil device information including a shape and a size of a first coil facing surface, a height position from the reference surface, and a height position of a first device facing surface; an information acquiring unit that acquires second coil device information including a shape, a size, and a height position of a second coil facing surface, and a height position of a second device facing surface; a region identifying unit that identifies a magnetic field generation region generated between the first device facing surface and the second device facing surface during power feeding, based on the first coil device information and the second coil device information; and a foreign object detection unit that detects the presence or absence of a foreign object within the identified magnetic field generation region.
FOREIGN MATTER DETECTION DEVICE FOR NON-CONTACT POWER SUPPLY SYSTEM
2019-09-05
Patent
Elektronische Ressource
Englisch
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