The invention belongs to the technical field of heat pump air conditioners and heat management of electric vehicles, and discloses an automotive CO2 heat management system with photo-thermal and graded energy storage functions and a control method of the automotive CO2 heat management system. The CO2 heat management system for the vehicle comprises a CO2 heat pump circulation part, a low-temperature energy storage part and a high-temperature energy storage part, and the low-temperature energy storage part and the high-temperature energy storage part are used for storing low-temperature waste heat energy and high-temperature waste heat energy respectively, so that space-time adjustment of the energy is achieved, and real-time recovery and utilization of the system energy are guaranteed. The CO2 heat pump circulation part, the low-temperature energy storage part and the high-temperature energy storage part are in coupling connection and cooperative control, graded collection, storage and use of solar energy and vehicle step waste heat can be achieved, refined intelligent integrated control over heat management of the whole vehicle is achieved, the utilization efficiency of the solar energy and running waste heat can be improved to a large extent, system energy consumption is reduced, and the energy consumption of the system is reduced. The thermal management precision of vehicle parts is improved, and the endurance mileage of the electric vehicle is increased.

    本发明属于电动车热泵空调及热管理技术领域,公开了一种含光热及分级储能的车用CO2热管理系统及其控制方法;所述车用CO2热管理系统包括:CO2热泵循环部、低温储能部和高温储能部,低温储能部、高温储能部分别用于储存低温、高温余热能量,以实现能量的时空调节,保障系统能量的实时回收与利用。本发明将CO2热泵循环部分与低温储能部、高温储能部耦合连接、协同控制,可实现太阳能、车辆梯级余热的分级收集、储存和使用,实现整车热管理的精细化智能化一体化控制,能够较大程度增加太阳能与行驶余热的利用效率,减少系统能耗,提高车辆部件热管理的精度,提高电动车续航里程。


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    Title :

    Automotive CO2 thermal management system with photo-thermal and graded energy storage functions and control method of automotive CO2 thermal management system


    Additional title:

    含光热及分级储能的车用CO2热管理系统及其控制方法


    Contributors:
    SONG YULONG (author) / YE JIAQING (author) / YANG JINZAI (author) / WU XI (author) / JIA XINYU (author) / WANG BO (author) / MEI JIALE (author) / XIE CHAOHUI (author)

    Publication date :

    2023-08-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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



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