PROBLEM TO BE SOLVED: To detect an OFF failure of a charging relay more properly and let users be aware thereof.SOLUTION: A vehicle ECU, when a communication with a transmission ECU is normal (S170), outputs an ON command to a charging relay (S210), then compares a voltage difference ΔV2, when power is being supplied to a resonance circuit for power transmission, between an inter-terminal voltage Vtr of the resonance circuit for power transmission and an inter-terminal voltage Vre2 on the input side (on a charging circuit side of the charging relay) of a charging circuit to a threshold value ΔVref2 (S220 to S240). When the voltage difference ΔV2 is equal to or less than the threshold value ΔVref2, the vehicle ECU determines the charging relay is normal (S250), and when the voltage difference ΔV2 is greater than the threshold value ΔVref2, determines the charging relay is being in an OFF failure, and then performs a display output in a display as such.SELECTED DRAWING: Figure 3

    【課題】充電リレーのオフ故障をより適切に検出してユーザに認識させる。【解決手段】車両ECUは、送電ECUとの通信が正常なときに(S170)、充電用リレーにオン指令を出力し(S210)、送電用共振回路に電力が供給されているときの送電用共振回路の端子間電圧Vtrと充電回路の入力側(充電用リレーより充電回路側)の端子間電圧Vre2との電圧差ΔV2を閾値ΔVref2と比較し(S220〜S240)、電圧差ΔV2を閾値ΔVref2以下のときには、充電用リレーが正常であると判定し(S250)、電圧差ΔV2が閾値ΔVref2より大きいときには、充電用リレーがオフ故障していると判定してその旨をディスプレイに表示出力する。【選択図】図3


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    Titel :

    NON-CONTACT POWER TRANSMISSION/RECEPTION SYSTEM


    Weitere Titelangaben:

    非接触送受電システム


    Beteiligte:

    Erscheinungsdatum :

    2016-04-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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