To obtain a motor controller capable of performing operation that has high output and is stable.SOLUTION: A motor controller comprises: a cooling unit 21 having one surface on which a plurality of heat generation sources including a power semiconductor element 25 are arranged in a matrix form and the other surface on which a rectangular heat dissipation region 24 and a cooling space are formed; matrix position correspondence manifolds provided on adjacent two sides of four sides surrounding the heat dissipation region 24; a connection flow passage 26i having one end communicating with an inlet of a cooling water circulation flow passage 8 and the other end connected to the respective matrix position correspondence manifolds via individual passages 28ai, 28bi, 28ci, 28hi; and an opening/closing control mechanism for controlling an open/close state of each of the individual passages.SELECTED DRAWING: Figure 1

    【課題】高出力で安定した動作が可能な電動機制御装置を得ることを目的とする。【解決手段】一方の面にパワー半導体素子25を含む複数の発熱源が行列形式で配置され他方の面に矩形の放熱領域24と冷却空間が形成された冷却部21、放熱領域24を囲む4辺のうちの隣接する2辺に設けられた行列位置対応マニホールド、一端が冷却水循環流路8の入口につながり、他端部が行列位置対応マニホールドのそれぞれと個別通路28ai、28bi、28ci、28hiを介して接続される接続流路26i、および、個別通路それぞれの開閉状態を制御する開閉制御機構、を備える。【選択図】図1


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    Title :

    MOTOR CONTROLLER AND ELECTRIC VEHICLE COOLING SYSTEM


    Additional title:

    電動機制御装置および電動車両冷却システム


    Contributors:

    Publication date :

    2020-11-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / H05K PRINTED CIRCUITS , Gedruckte Schaltungen



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