PROBLEM TO BE SOLVED: To provide a cooling device used in an electric vehicle mounting therein a power semiconductor or electronic equipment such as an electronic computer, for preventing damage due to a cavitation phenomenon within the cooling device.SOLUTION: A cooling device comprises: a heat receiving section 6; a heat radiation section 7 connected to an outlet port 10 of the heat receiving section 6 via a heat radiation route 8; and a feedback route 9 connecting this heat radiation section 7 to an inlet port 15 of the heat receiving section 6, the heat receiving section 6 comprising a check valve 14 provided on a downstream side of the inlet port 15 and opening in response to a pressure balance among a head pressure of refrigerant 18 condensed and stagnating, an internal pressure of the feedback route 9, and an internal pressure of a heat reception space 12; an introduction pipe 17 provided on a downstream side of the check valve 14 and delivering the condensed refrigerant; and a refrigerant heating section heating at least part of an outer wall of the heat receiving section 6 and a pipe wall of the heat radiation route 8.SELECTED DRAWING: Figure 2

    【課題】本発明は、電力半導体を搭載した電気自動車や電子計算機などの電子機器に使用される冷却装置において、冷却装置内のキャビテーション現象による損傷を防ぐことを目的とするものである。【解決手段】受熱部6と、受熱部6の流出口10と放熱経路8を介して接続した放熱部7と、この放熱部7と受熱部6の流入口15とを接続する帰還経路9とを備え、受熱部6は、流入口15の下流側に、凝縮して停留した冷媒18の水頭圧と帰還経路9内と受熱空間12内との圧力バランスによって開動する逆止弁14と、逆止弁14の下流側に、凝縮した冷媒を流入させる導入管17と、受熱部6の外壁および放熱経路8の管壁の少なくとも一部を加熱する冷媒加熱部を備えた構成とした。【選択図】図2


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    Titel :

    COOLING DEVICE, ELECTRONIC EQUIPMENT MOUNTING SAME, AND ELECTRIC VEHICLE MOUNTING SAME


    Weitere Titelangaben:

    冷却装置およびこれを搭載した電子機器および電気自動車


    Beteiligte:
    SUZUKI AYAKA (Autor:in) / SATO IKU (Autor:in)

    Erscheinungsdatum :

    2016-08-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F28D Wärmetauscher, soweit in keiner anderen Unterklasse vorgesehen, in denen die Wärmetauschmittel nicht in direkte Berührung miteinander kommen , HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / H05K PRINTED CIRCUITS , Gedruckte Schaltungen



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