The invention discloses a transcritical CO2 system for vehicle thermal management and a control method of the transcritical CO2 system. The system comprises a compressor, an outdoor heat exchanger, an indoor secondary heat exchanger, an indoor main heat exchanger, a heat regenerator, a battery heat exchange plate, a gas-liquid separator, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a fifth electromagnetic valve, a first bidirectional all-pass throttle valve, a second bidirectional all-pass throttle valve and a third bidirectional all-pass throttle valve. And a fourth two-way all-pass throttle valve, an outdoor fan and an indoor air blower. The technical problems that in a current vehicle transcritical CO2 thermal management system, energy matching of a battery and a passenger compartment is difficult, and the system stability is poor and control is difficult due to large lag of a waterway can be solved; according to the invention, by providing a new configuration structure, the problem of energy distribution of a battery loop is thoroughly solved, and the system stability can be greatly improved.
本发明公开了一种用于车辆热管理的跨临界CO2系统及其控制方法,所述系统包括:压缩机、室外换热器、室内次换热器、室内主换热器、回热器、电池换热板、气液分离器、第一电磁阀、第二电磁阀、第三电磁阀、第四电磁阀、第五电磁阀、第一双向全通节流阀、第二双向全通节流阀、第三双向全通节流阀、第四双向全通节流阀、室外风机和室内鼓风机。本发明可以解决当前车辆跨临界CO2热管理系统中电池和乘员舱的能量匹配困难、水路大滞后导致系统稳定性差控制难的技术问题;本发明通过提出新的配置结构,彻底放开了电池回路能量分配问题,可大幅增加系统稳定性。
Transcritical CO2 system for vehicle thermal management and control method thereof
用于车辆热管理的跨临界CO2系统及其控制方法
2022-04-29
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 |
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