Title:
FOREIGN SUBSTANCE DETECTION DEVICE, ELECTRICITY TRANSMISSION DEVICE, ELECTRICITY RECEPTION DEVICE, AND ELECTRIC POWER TRANSMISSION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/131608
Kind Code:
A1
Abstract:
This foreign substance detection device comprises: a detection coil unit provided with a detection coil substrate (220) and a plurality of coils (242) that are formed on one surface of the detection coil substrate (220) and have a conductor pattern encircling a Z axis; and a detection unit (26) that is connected to the plurality of coils (242), the detection unit (26) detecting the presence/absence of a foreign substance from a vibration signal when the coils (242) have been excited. The plurality of coils (242) each have an opening part. The detection coil substrate (220) has through-holes (228) passing through the detection coil substrate (220) in the opening parts as seen along the direction of the Z axis, and a positioning space in which switches (248) or wiring patterns (250) are arranged.
Inventors:
GOTANI AKIRA (JP)
KONDO KAZUKI (JP)
KONDO KAZUKI (JP)
Application Number:
PCT/JP2020/045218
Publication Date:
July 01, 2021
Filing Date:
December 04, 2020
Export Citation:
Assignee:
TDK CORP (JP)
International Classes:
B60L5/00; B60L53/124; H01F38/14; H02J7/00; H02J50/10; H02J50/60
Domestic Patent References:
| WO2019009241A1 | 2019-01-10 | |||
| WO2013051105A1 | 2013-04-11 |
Foreign References:
| JP2019002882A | 2019-01-10 |
Attorney, Agent or Firm:
KIMURA Mitsuru (JP)
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