R410A制冷剂在电动汽车热泵空调中的应用研究

Abstract

Abstract: This article compared the refrigerant characteristics and low temperature performance of R410A and R134a from theoretical analysis and experimental testing. The experimental results show that R410A heat pump automotive air conditioning system can reduce the compressor displacement in the same heat exchangers configuration, and the heating capacity is especially Low-temperature heating has been greatly improved, the out temperature of -12℃ under the energy efficiency ratio of 1.6W/W or more; on the other hand, R410A heat pump air conditioning system working pressure is about 2 times of R134a has a system, in the design of R410A system piping and components of pressure to do the corresponding optimization. Comprehensive evaluation, R410A is more suitable for application and heat pump automotive air conditioning than R134a.

Key words: The refrigerant of R410A, Heat pump automotive air conditioning, Performance

WU Huili, LI Junfeng. Application of R410A refrigerant in heat pump air conditioning of electric vehicles[J]. Journal of Appliance Science & Technology, 2018, 0(7): 51-53.

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Application of R410A refrigerant in heat pump air conditioning of electric vehicles

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