CONTACTLESS POWER FEEDING DEVICE, CONTACTLESS POWER FEEDING SYSTEM CONTROL PROGRAM, VEHICLE, AND CONTACTLESS POWER FEEDING RECEPTION DEVICE

WIPO Patent Application WO/2023/233803

A1

A contactless power feeding system according to the present invention comprises: a power transmission characteristic acquisition unit that measures power transmission characteristics of a power supply segment and is provided on the power supply segment side; a power reception characteristic acquisition unit that measures power reception characteristics of a vehicle and is provided on the vehicle side; and an abnormality detection means that matches a measurement period for the power transmission characteristics of the power supply segment measured by the power transmission characteristic acquisition unit with a measurement period for the power reception characteristics of the vehicle measured by the power reception characteristic acquisition unit, calculates the efficiency of the power supply segment by using the power transmission characteristics of the power supply segment and the power reception characteristics of the vehicle, the measurement periods for which have been matched, and determines an abnormality of the power supply segment on the basis of the calculated efficiency.

KIMURA KAZUTAKA (JP)
HASHIMOTO TOSHIYA (JP)
HASHIMOTO MAKOTO (JP)
KANESAKI MASAKI (JP)
YAMAGUCHI NOBUHISA (JP)
TANI KEISUKE (JP)
OBAYASHI KAZUYOSHI (JP)
TAKEMURA YUICHI (JP)

PCT/JP2023/013859

December 07, 2023

April 03, 2023

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TOYOTA MOTOR CO LTD (JP)
DENSO CORP (JP)

H02J50/80; B60L5/00; B60L53/12; B60L53/68; B60M7/00; G16Y10/40; G16Y20/20; G16Y20/30; H02J7/00; H02J50/10

JP2012039787A	2012-02-23
JP2015510746A	2015-04-09
JP2020178471A	2020-10-29

SAKAI INTERNATIONAL PATENT OFFICE (JP)

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