The invention provides a vapor compression cycle refrigerating system for a sealed cabin in a vacuum environment and a train, and the system comprises a first heat exchanger, a first power unit, a second power unit, a third power unit, a second heat exchanger, a second medium storage box and a flow regulating valve, the first heat exchanger is used for vaporizing a first liquid medium into a first low-temperature and low-pressure gaseous medium to absorb heat carried by gas, the second power unit is used for conveying the cooled gas to the sealed cabin, and the third power unit is used for compressing the first low-temperature and low-pressure gaseous medium into a first high-temperature and high-pressure gaseous medium; the second heat exchanger is used for liquefying the high-temperature and high-pressure gaseous first medium into a high-temperature and high-pressure liquid first medium and transferring released heat to the second medium, and the flow adjusting valve is used for converting the high-temperature and high-pressure liquid first medium into a low-temperature and low-pressure liquid first medium. By means of the technical scheme, the technical problem that in the prior art, a sealed cabin in the vacuum environment cannot be refrigerated is solved.
本发明提供了一种用于真空环境中密封舱体的蒸汽压缩循环制冷系统及列车,该系统包括第一换热器、第一动力单元、第二动力单元、第三动力单元、第二换热器、第二介质储箱和流量调节阀,第一换热器用于将液态第一介质汽化为低温低压气态第一介质以吸收气体所携带的热量,第二动力单元用于将冷却后的气体送至密封舱体,第三动力单元用于将低温低压气态第一介质压缩为高温高压气态第一介质,第二换热器用于将高温高压气态第一介质液化为高温高压液态第一介质并将释放的热量转移至第二介质,流量调节阀用于将高温高压液态第一介质变为低温低压液态第一介质。应用本发明的技术方案,以解决现有技术中无法对真空环境下的密封舱体进行制冷的技术问题。
Vapor compression cycle refrigerating system for sealed cabin in vacuum environment and train
用于真空环境中密封舱体的蒸汽压缩循环制冷系统及列车
2021-09-10
Patent
Elektronische Ressource
Chinesisch
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