To suppress the occurrence of temperature unevenness at secondary batteries 12a, 12b.SOLUTION: A cooling unit 10 comprises: a condenser 16; a cooler 14 for absorbing heat from secondary batteries 12a, 12b by evaporating a liquid-phase refrigerant from the condenser 16; a liquid storage part 22 arranged in the middle of an approach flow passage 18a through which the liquid-phase refrigerant flows to the cooler 14 from the condenser 16, and storing the liquid-phase refrigerant; and a liquid storage valve 24 as an adjustment part for adjusting a liquid storage amount of the liquid-phase refrigerant in the cooler 14 by adjusting a flow rate of the liquid-phase refrigerant flowing to the cooler 14 via the approach flow passage 18a from the liquid storage part 22. A region in contact with a gas portion of the secondary batteries 12a, 12b is reduced by valve-opening the liquid storage valve 24 to increase the liquid-phase refrigerant in the cooler 14.SELECTED DRAWING: Figure 1
【課題】二次電池12a、12bに温度ムラが生じることを抑制する。【解決手段】冷却ユニット10は、凝縮器16と、凝縮器16からの液相冷媒を蒸発させることにより二次電池12a、12bから吸熱する冷却器14と、凝縮器16から冷却器14に液相冷媒が流れる往路流通路18aの途中に設けられて、液相冷媒を貯める貯液部22と、貯液部22から往路流通路18aを通して冷却器14に流れる液相冷媒の流量を調整することにより、冷却器14内の液相冷媒の貯液量を調整する調整部としての貯液バルブ24を備える。貯液バルブ24を開弁させて冷却器14内の液相冷媒を増大させて二次電池に12a、12bのうち気体部分に接触する領域を小さくする。【選択図】図1
THERMOSIPHON
サーモサイフォン
2019-04-04
Patent
Electronic Resource
Japanese
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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H05K PRINTED CIRCUITS , Gedruckte Schaltungen |
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