采用R1234yf制冷剂的汽车超低温强化补气热泵空调性能

doi:10.16183/j.cnki.jsjtu.2019.244

上海交通大学学报 ›› 2020, Vol. 54 ›› Issue (10): 1108-1116.doi: 10.16183/j.cnki.jsjtu.2019.244

• 学报（中文） • 上一篇

采用R1234yf制冷剂的汽车超低温强化补气热泵空调性能

刘雨声¹，李万勇¹，张立²，施骏业¹1，陈江平¹

1. 上海交通大学制冷与低温工程研究所，上海 200240； 2. 江苏中关村科技产业园节能环保研究有限公司，江苏常州 213300

收稿日期:2019-08-23 出版日期:2020-10-28 发布日期:2020-11-09
通讯作者: 陈江平，男，教授，博士生导师，电话(Tel.)：021-34206775；E-mail: jpchen_sjtu@163.com.
作者简介:刘雨声(1997-)，男，河南省洛阳市人，硕士生，现主要从事车用空调与热系统、制冷剂的替代技术研究.

Performance of Automotive Ultra-Low Temperature Economized Vapor Injection Heat Pump Air Conditioning Using R1234yf Refrigerant

LIU Yusheng¹,LI Wanyong¹,ZHANG Li²,SHI Junye¹,CHEN Jiangping¹

1. Institute of Refrigeration and Cryogenics, Shanghai Jiao Tong University, Shanghai 200240, China; 2. Jiangsu Z-Park Energy Conservation and Environmental Protection Research Co., Ltd., Changzhou 213300, Jiangsu, China

Received:2019-08-23 Online:2020-10-28 Published:2020-11-09

摘要/Abstract

摘要： 本文提出一种基于强化补气(EVI)技术的汽车超低温热泵空调系统，采用新型低全球变暖潜能值(GWP)的R1234yf制冷剂作为运行工质，并与传统制冷剂R134a进行性能对比测试与热泵系统优化.在-20℃超低温环境中，该热泵系统制热量与制热能效比(COP)可达2kW与2.0以上，相较于传统热泵分别提升了30%与14%，可以满足低温环境下乘员舱的制热需求.采用R1234yf制冷剂的热泵系统的制热性能虽比采用R134a制冷剂的热泵系统略有不足但基本持平，且强化补气的效果优于R134a制冷剂.此外，增大内部冷凝器面积、优化室外换热器与压缩机等部件均可显著提升热泵空调系统的性能与能效.

Abstract: In this paper, an automotive ultra-low temperature heat pump air conditioning system based on the economized vapor injection (EVI) technology is proposed. The new low-global warming potential (GWP) R1234yf is used as the refrigerant. Besides, the comparative performance test in R134a and system optimization are conducted. In the ultra-low temperature environment of -20℃, the heating performance and coefficient of performance (COP) of this system can reach 2kW and 2.0, which is 30% and 14% higher than those of the traditional heat pump. Thus, the system can meet the heating requirements of crew cabin in a low temperature environment. The heating capacity of the R1234yf system is a little bit lower but pretty much the same as R134a. Moreover, the effect of EVI for R1234yf refrigerant is better than that of R134a. Increasing the inner-condenser area and optimizing components, such as outdoor heat exchanger and compressor, can significantly improve heat pump air conditioning system performance and its energy efficiency.

中图分类号:

U 469.72

刘雨声，李万勇，张立，施骏业，陈江平. 采用R1234yf制冷剂的汽车超低温强化补气热泵空调性能[J]. 上海交通大学学报, 2020, 54(10): 1108-1116.

LIU Yusheng,LI Wanyong,ZHANG Li,SHI Junye,CHEN Jiangping. Performance of Automotive Ultra-Low Temperature Economized Vapor Injection Heat Pump Air Conditioning Using R1234yf Refrigerant[J]. Journal of Shanghai Jiaotong University, 2020, 54(10): 1108-1116.

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采用R1234yf制冷剂的汽车超低温强化补气热泵空调性能

Performance of Automotive Ultra-Low Temperature Economized Vapor Injection Heat Pump Air Conditioning Using R1234yf Refrigerant

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采用R1234yf制冷剂的汽车超低温强化补气热泵空调性能

Performance of Automotive Ultra-Low Temperature Economized Vapor Injection Heat Pump Air Conditioning Using R1234yf Refrigerant

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