Title:
コイル装置及びワイヤレス電力伝送装置
Document Type and Number:
Japanese Patent JP6747149
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a coil device and a wireless power transmission device capable of detecting that open failures or short-circuit failures occur at any one of a plurality of capacitor elements that configure a capacitor circuit with certainty.SOLUTION: A coil device Lu1 comprises: a power transmission coil L1; a capacitor circuit X1 connected with the power transmission coil L1, and that has a plurality of capacitor elements CAP1; a conductive metal part SD arranged close to the power transmission coil L1; and a measurement part VSG1 that measures a voltage or a current generated at the metal part SD.SELECTED DRAWING: Figure 2a
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Inventors:
Shigetoshi Fukuzawa
Ayako Sato
Saen Tsunehiro
Ayako Sato
Saen Tsunehiro
Application Number:
JP2016152550A
Publication Date:
August 26, 2020
Filing Date:
August 03, 2016
Export Citation:
Assignee:
tdk Corporation
International Classes:
H02J50/12; H01F38/14
Domestic Patent References:
| JP2013172503A | ||||
| JP2009071960A | ||||
| JP2014124021A | ||||
| JP2014217199A |
Foreign References:
| WO2013065324A1 | ||||
| US20150204949 |