To provide a diagnostic device for an electric vehicle, capable of making an appropriate diagnosis of a temperature sensor for detecting the temperature of a travel motor or an inverter.SOLUTION: A diagnostic device for an electric vehicle is mounted on an electric vehicle including a temperature sensor (21, 23) for detecting the temperature of a travel motor or the temperature of an inverter for driving the travel motor. The diagnostic device includes a controller for making a diagnosis of the temperature sensor (21, 23). The controller performs mask processing in which the diagnosis is not made upon system startup of the electric vehicle. Further, the controller changes the time length of the mask processing according to a condition (S3-S5).SELECTED DRAWING: Figure 3

    【課題】走行モータ又はインバータの温度を検出する温度センサについて適正な診断を実現できる電動車両の診断装置を提供する。【解決手段】電動車両の診断装置は、走行モータの温度、或いは、走行モータを駆動するインバータの温度、を検出する温度センサ(21、23)を有する電動車両に搭載される。診断装置は、温度センサ(21、23)の診断を行うコントローラを備え、コントローラは、電動車両のシステム起動時に診断を非実行とするマスク処理を行い、さらに、コントローラは、条件に応じてマスク処理の時間長を切り替える(S3~S5)。【選択図】図3


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    Titel :

    DIAGNOSTIC DEVICE FOR ELECTRIC VEHICLE


    Weitere Titelangaben:

    電動車両の診断装置


    Beteiligte:
    SHINOZAKI TOMOKI (Autor:in) / TAKASHIMA TAKUYA (Autor:in) / ASAI YUTO (Autor:in)

    Erscheinungsdatum :

    14.12.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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