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发明公开
CN106828032A 一种蒸汽压缩辅助过冷的二氧化碳汽车空调系统 无效 - 撤回

一种蒸汽压缩辅助过冷的二氧化碳汽车空调系统
摘要：
本发明公开了一种蒸汽压缩辅助过冷的CO2汽车空调系统。本发明包括非共沸混合制冷剂蒸汽压缩辅助制冷系统和CO2跨临界制冷系统；非共沸混合制冷剂蒸汽压缩辅助制冷系统由依次连接的辅助系统压缩机、过冷器、节流阀和冷凝器组成；CO2制冷系统由依次连接的主循环压缩机、气体冷却器、过冷器、节流阀和蒸发器组成。本发明采用辅助循环对气体冷却器出口的制冷剂进行过冷，通过小容量的辅助循环即可将气体冷却器出口的CO2冷却，易于实现，并且可将其温度降至环境温度以下，能显著减小高压CO2节流过程中的不可逆损失。
摘要（英）：

The invention discloses a vapor compression assisted undercooling CO2 automotive air conditioning system. The vapor compression assisted undercooling CO2 automotive air conditioning system comprises a non-azeotropic mixture vapor compression assisted refrigerating system and a CO2 transcritical refrigerating system; the non-azeotropic mixture vapor compression assisted refrigerating system is composed of an assisting system compressor, an undercooler, a throttle valve and the condenser which are sequentially connected; the CO2 transcritical refrigerating system is composed of a main circulating compressor, a gas cooler, an undercooler, a throttle valve and an evaporator which are sequentially connected. According to the vapor compression assisted undercooling CO2 automotive air conditioning system, refrigerant at the outlet of the gas cooler is undercooled through assisted circulation, CO2 at the outlet of the gas cooler can be cooled through low-capacity assisted circulation, the cooling process is easy to implement, the temperature of the CO2 can be reduced below ambient temperature, and irreversible loss during a high-pressure CO2 throttling process can be significantly reduced.

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