PROBLEM TO BE SOLVED: To provide a cooling device which performs working fluid cooling at a heat radiation part efficiently, in which a pressure of an entire cooling cycle can drop as the pressure in the heat radiation part drops, and which has high cooling performance.SOLUTION: A cooling device 6 includes: a heat receiving part 7 including a heat receiving plate 12 for transferring the heat from a heating element 5 to a working fluid 9; a heat radiation part 8 for discharging the heat from the working fluid 9; and a heat radiation path 10 and a return path 11 for connecting the heat receiving part 7 and the heat radiation part 8. The cooling device moves heat by circulating the working fluid 9 to the heat receiving part 7, the heat radiation path 10, the heat radiation part 8, the return path 11 and the heat receiving part 7. The cooling part includes an inflow pipe 17 protruding from a connection part between the return path 11 and the heat receiving part 7 to the inside of the heat receiving part 7. A check valve 18 is provided at the return path 11 or the inflow pipe 17. The heat radiation part 8 includes: a primary heat radiation part 21 connected to the heat radiation path 10; and a secondary heat radiation part 22 provided on the downstream of the primary heat radiation part 21.SELECTED DRAWING: Figure 2
【課題】本発明は、放熱部での作動流体冷却を効率的に行い、放熱部内での圧力が降下することで、冷却サイクル全体の圧力も降下することができ、冷却性能の高い冷却装置を提供することを目的とする。【解決手段】発熱体5からの熱を作動流体9に伝える受熱板12を備えた受熱部7と、作動流体9の熱を放出する放熱部8と、受熱部7と放熱部8とを接続する放熱経路10と帰還経路11とを備え、作動流体9を、受熱部7、放熱経路10、放熱部8、帰還経路11、受熱部7へと循環させて熱の移動を行う冷却装置6であって、帰還経路11と受熱部7との接続部から受熱部7内に突出する流入管17を備え、帰還経路11または流入管17に逆止弁18を設け、放熱部8は放熱経路10に接続する一次放熱部21と、一次放熱部21の下流に設けた二次放熱部22を備える構成としている。【選択図】図2
COOLING DEVICE AND ELECTRIC EQUIPMENT MOUNTING THE SAME, AND ELECTRIC CAR
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
01.03.2018
Patent
Elektronische Ressource
Japanisch
IPC: | H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / H05K PRINTED CIRCUITS , Gedruckte Schaltungen / 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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