PROBLEM TO BE SOLVED: To provide an abnormality detector of an electric vehicle, which can relatively easily and accurately determine an abnormality in connection of a high-voltage circuit system.SOLUTION: An abnormality detector of an electric vehicle includes: a signal output part 22 that outputs an AC signal; a signal reception part 23 that receives the AC signal by a part between the signal output part 22 and a coupling capacitor 21; and an abnormality determination part 24 that determines the presence or absence of an abnormality in connection of a high-voltage circuit system 5 on the basis of an amplitude or wavelength of the received signal received by the signal reception part 23.
【課題】高圧回路系の接続異常を比較的容易且つ正確に判定することができる電動車両の異常検出装置を提供する。【解決手段】交流信号を出力する信号出力部22と、信号出力部22とカップリングコンデンサ21との間の部分で交流信号を受信する信号受信部23と、信号受信部23で受信した受信信号の振幅または波長に基づいて高圧回路系5の接続異常の有無を判定する異常判定部24と、を具備する構成とする。【選択図】図1
ABNORMALITY DETECTOR OF ELECTRIC VEHICLE
電動車両の異常検出装置
2015-07-06
Patent
Electronic Resource
Japanese
ABNORMALITY DETECTION PROGRAM, ABNORMALITY DETECTION METHOD, AND ABNORMALITY DETECTOR
European Patent Office | 2021
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