驻车空调器应用不同类型制冷剂的性能实验研究

doi:10.19784/j.cnki.issn1672-0172.2022.03.002

Abstract

Abstract: With the increase of heavy truck market and the improvement of drivers' comfort requirements, the demand for battery-powered parking vehicle air conditioners is increasingly. The thermal and physical properties of three different circulating refrigerants R134a, R410A and R32 were compared first, then the capacity of each refrigeration condition was tested by charging R134a, R410A and R32 refrigerant respectively in the same parking vehicle air conditioner system in enthalpy difference chamber. The results show that, compared with R134a refrigerant used by most parking vehicle air conditioners in the current market, R410A and R32 refrigerants have good thermal and physical properties, greatly improved cooling capacity and energy efficiency, which is conducive to improving the comfort of passengers and battery life. At the same time, it should be noted that the operating pressure of the system rises a lot. Therefore, it is necessary to design the corresponding pressure resistance of the refrigeration components.

Key words: Refrigerant, Energy efficiency improvement, Parking vehicle air conditioner

CLC Number:

TB61+2

GAO Hao, QI Wenduan, ZHANG Hao. Performance experimental study on applying different types of refrigerants to parking vehicle air conditioner[J]. Journal of Appliance Science & Technology, 2022, 0(3): 22-25.

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Performance experimental study on applying different types of refrigerants to parking vehicle air conditioner

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