The invention discloses a heat management system for an electric vehicle, which is characterized by comprising a refrigerant loop system for cooling and heating a power battery of the electric vehicle by using a refrigerant and a waterway circulation system for realizing heat exchange of the refrigerant, and the refrigerant loop system and the waterway circulation system are in heat exchange connection through a heat exchanger. The heat management system has the advantages that a refrigerant is adopted as a direct cooling medium through the refrigerant loop system to cool the power battery, the refrigerant is adopted as a professional refrigerating medium, a good cooling effect can be achieved with a small injection amount, the weight of the whole heat management system can be effectively reduced, and the heat management system is matched with the water circulation system and the heat exchanger so that the whole heat management system has higher heat exchange efficiency.
本发明公开了一种电动汽车用热管理系统,特点是包括采用制冷剂用于对电动汽车的动力电池进行冷却和加热的制冷剂回路系统和用于实现对制冷剂进行热交换的水路循环系统,制冷剂回路系统和水路循环系统之间通过一换热器实现热交换连接。优点是本热管理系统通过制冷剂回路系统采用制冷剂作为直接的冷却介质,对动力电池进行冷却,制冷剂作为专业的制冷介质,较少的冲注量即可实现较好的冷却效果,能有效减轻整个热管理系统的重量,配合水循环系统以及换热器,使得整个热管理系统具有较高的换热效率。
Heat management system for electric vehicle
一种电动汽车用热管理系统
2021-07-23
Patent
Electronic Resource
Chinese
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / 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 |
Heat management system, heat management method and electric vehicle
European Patent Office | 2020
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