PROBLEM TO BE SOLVED: To provide an electric motor drive device capable of suppressing generation of counter-electromotive force in an electric motor without using a dedicated protection circuit that is complicated, large-scaled, and high in cost.SOLUTION: An electric motor drive device mounted on a vehicle comprises: an electric motor of multiple phases; a motor control unit that drives the electric motor; and an auxiliary unit provided on the wiring of at least one phase among a plurality of wirings for connecting between the electric motor and the motor control unit, and in which a path for electrically grounding the wiring of one phase is formed when a fuse used for power supply wiring of the vehicle is attached at a predetermined position in the unit.SELECTED DRAWING: Figure 1

    【課題】複雑かつ大規模な高コストとなる専用の保護回路を用いることなく、電動モータにおける逆起電力の発生を抑制することができる、電動モータ駆動装置を提供する。【解決手段】車両に搭載される電動モータ駆動装置であって、複数相の電動モータと、電動モータを駆動するモータ制御ユニットと、電動モータとモータ制御ユニットとを接続する複数の配線のうち少なくとも1相の配線に設けられ、車両の電源配線に使用されるヒューズをユニット内の所定の位置に装着したときに1相の配線を電気的に接地させる経路が形成される補助ユニットとを備える。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    ELECTRIC MOTOR DRIVE DEVICE


    Additional title:

    電動モータ駆動装置


    Contributors:

    Publication date :

    2017-12-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



    ELECTRIC MOTOR DRIVE DEVICE, AND ELECTRIC MOTOR DRIVE METHOD

    HATSUSE WATARU / KUNIHIRO NAOKI / KANAZAWA TOMOMI | European Patent Office | 2024

    Free access

    ELECTRIC MOTOR DRIVE DEVICE, AND ELECTRIC MOTOR DRIVE METHOD

    HATSUSE WATARU / KUNIHIRO NAOKI / KANAZAWA TOMOMI | European Patent Office | 2023

    Free access

    Electric motor drive device

    ONDA KOHEI / TAKESHIMA YOSHIHIRO / IWABUKI HIROYASU et al. | European Patent Office | 2020

    Free access

    ELECTRIC MOTOR DRIVE DEVICE

    OMATA RYUJI / FUJII MICHITSUNE / NOBE DAIGO et al. | European Patent Office | 2020

    Free access

    ELECTRIC MOTOR DRIVE DEVICE

    ONDA KOHEI / TAKESHIMA YOSHIHIRO / IWABUKI HIROYASU et al. | European Patent Office | 2023

    Free access