摘要
综述了电动汽车热泵系统车外换热器结霜的环境因素、抑霜方法以及除霜方法的最新研究。调研结果表明,温度、相对湿度和风速均对结霜有影响,进而影响热泵运行性能。主要的抑霜方法有换热器外部结构优化、内部流程优化及表面涂层处理,而除霜主要采用热气旁通和逆循环,除霜系统控制的运行控制也是影响除霜效果的关键技术。旨在系统性地分析电动汽车热泵系统车外换热器结霜除霜最新研究成果,为进一步解决结霜问题奠定基础。
This paper reviews the latest research on the environmental factors,frost suppression and defrosting methods of the external heat exchanger of the electric vehicle heat pump system.The research results show that temperature,relative humidity and wind speed all have an impact on frosting,and then affect the performance of heat pump.The main frost suppression methods include the optimization of the external structure of the heat exchanger,the optimization of the internal flow process and the surface coating treatment.The hot gas bypass and reverse circulation are mainly used in the defrosting process.The operation control of the defrosting system is also the key technology affecting the defrosting effect.The purpose of this paper is to systematically analyze the latest research results of frosting and defrosting of external heat exchanger of electric vehicle heat pump system,and lay a foundation for further solving the frosting problem.
作者
潘军刚
Pan Jungang(China University of Petroleum,Qingdao,266555)
出处
《制冷与空调（四川）》
2022年第3期396-402,共7页
Refrigeration and Air Conditioning
关键词
结霜
除霜
热泵
换热器
电动汽车
Frosting
Defrosting
Heat pump
Heat exchanger
Electric vehicl
