PROBLEM TO BE SOLVED: To provide a vehicular motor drive device capable of reducing influences upon a rotational speed of a motor even if a voltage of a power source is varied, and a vehicular seat with the vehicular motor drive device.SOLUTION: A vehicular motor drive device 100 includes: a motor 110; an input voltage generation part unit 120 for generating an input voltage; and a drive unit 130 to which the input voltage is inputted and which drives the motor 110. The drive unit 130 includes: a reference voltage generation part 131 for generating a reference voltage; a comparison part 134 for comparing magnitudes of the input voltage and the reference voltage; and a drive signal output part 135 which outputs a signal for driving the motor 110 at a rotational speed corresponding to output of the comparison part 134. The input voltage generation unit 120 and the reference voltage generation part 131 are configured to vary the input voltage and the reference voltage in cooperation with a voltage variation in a battery power source VB.

    【課題】電源の電圧が変動してもモータの回転速度への影響を小さくすることができる車両用モータ駆動装置およびその車両用モータ駆動装置を備えた車両用シートを提供することを目的とする。【解決手段】車両用モータ駆動装置100は、モータ110と、入力電圧を生成する入力電圧生成部120と、入力電圧が入力され、モータ110を駆動する駆動部130と、を備える。駆動部130は、参照電圧を生成する参照電圧生成部131と、入力電圧と参照電圧の大小関係を比較する比較部134と、比較部134の出力に応じた回転速度でモータ110を駆動するための信号を出力する駆動信号出力部135と、を有する。入力電圧生成部120と参照電圧生成部131は、入力電圧および参照電圧がバッテリー電源VBの電圧変動に連動して電圧変動するように構成されている。【選択図】図4


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    Title :

    VEHICULAR MOTOR DRIVE DEVICE AND VEHICULAR SEAT


    Additional title:

    車両用モータ駆動装置および車両用シート


    Contributors:

    Publication date :

    2015-11-16


    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 / A47C Stühle , CHAIRS / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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