PROBLEM TO BE SOLVED: To provide a cooling device which stably repeats a cooling cycle, which does not deteriorate cooling performance and which can cool a heat generator, by suppressing accumulation of a liquefied refrigerant in a heat radiation part.SOLUTION: A cooling device 3 includes a heat receiving part 4 including a heat receiving plate 11 for transmitting heat to a working fluid 12, a heat radiation part 5 for discharging heat of the working fluid 12, and a heat radiation path 6 and a return path 7 for connecting the heat receiving part 4 and the heat radiation part 5, and it performs transfer of heat by circulating the working fluid 12 in the heat receiving part 4, the heat radiation path 6, the heat radiation part 5, the return path 7 and to the heat receiving part 4. An inflow tube 19 protruding in the heat receiving part 4 is provided on the heat receiving part 4 side of the return path 7, and a check valve 18 is provided at the return path 7 or the inflow tube 19. The heat radiation part 5 laminates hairpin tubes 21 penetrating heat radiation fins 20. The flow passage of the working fluid 12 in the hairpin tubes 21 are arranged to incline downward, and shielding bodies are inserted in gaps of the heat radiation fins 20 opposing to curved parts of the hairpin tubes 21.SELECTED DRAWING: Figure 3

    【課題】本発明は、放熱部内での液化冷媒の滞留を抑制することで、冷却のサイクルを安定的に繰り返し、冷却性能を低下させず、発熱体を冷却できる冷却装置を提供することを目的とする。【解決手段】作動流体12に熱を伝える受熱板11を備えた受熱部4と、作動流体12の熱を放出する放熱部5と、受熱部4と放熱部5とを接続する放熱経路6と帰還経路7とを備え、作動流体12を受熱部4、放熱経路6、放熱部5、帰還経路7、受熱部4へと循環させて熱の移動を行う冷却装置3であって、帰還経路7の受熱部4側には、受熱部4内に突出する流入管19を備え、帰還経路7または流入管19に逆止弁18を設け、放熱部5は放熱フィン20を貫通したヘアピン管21を積層し、ヘアピン管21内の作動流体12の流路が下り勾配になるように設置し、ヘアピン管21の湾曲部と対向する放熱フィン20の空隙に遮蔽体を挿入している。【選択図】図3


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    Titel :

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


    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 :

    01.06.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / F25D REFRIGERATORS , Kühlschränke / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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



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