室内自然对流散热的直膨式空气源热泵研究进展  

Research progress on air source heat pump with direct expansion indoor natural convection heat dissipation

作　　者：马国远[1] 孙尚瑜 许树学[1] 荣维来 MA Guoyuan;SUN Shangyu;XU Shuxue;RONG Weilai(College of Environmental and Energy Engineering,Beijing University of Technology,Beijing 100124,China)

机构地区：[1]北京工业大学环境与能源工程学院,北京100124

出　　处：《流体机械》2025年第3期79-88,共10页Fluid Machinery

基　　金：国家自然科学基金项目(51578120)。

摘　　要：在“煤改电”清洁取暖政策推动下,空气源热泵取暖技术得到快速发展。在介绍传统热水型和热风型空气源热泵供暖技术研究的基础上,着重解析新型直膨式空气源热泵供暖技术的原理、末端发展型式及其构造特征,如冷凝直接散热、冷凝间接散热和冷凝蓄热散热末端,并对其应用领域及实际运行效果进行了综合评价,自然对流散热的直膨式空气源热泵供暖无中间热媒二次换热,制热速度快,有效改善了室内热舒适性,提升了能效比。此外,展望了空气源热泵供暖技术未来的发展方向,从末端高效化和系列化、工质低全球变暖潜能值(GWP)化、运行和调控合理化、热泵多功能化、与住宅兼容化等方面进一步完善,可为促进和扩大其工程应用提供参考。Under the promotion of the clean heating policy of"coal to electricity",air source heat pump heating technology has developed rapidly.On the basis of introducing the research on traditional hot water and hot air source heat pump heating technology,this paper focuses on analyzing the principle,terminal development types,and structural characteristics of the new direct expansion air source heat pump heating technology,such as condensation direct heat dissipation,condensation indirect heat dissipation,and condensation heat storage heat dissipation terminal.A comprehensive evaluation of its application fields and actual operating effects is also conducted.The direct expansion air source heat pump heating with natural convection heat dissipation has no intermediate heat medium secondary heat exchange,fast heating speed,effectively improves indoor thermal comfort,and enhances energy efficiency.In addition,the future development direction of air source heat pump heating technology is discussed,which will be further improved from the aspects of end of pipe high efficiency and serialization,low global warming potential(GWP)working fluid,rational operation and regulation,multifunctional heat pump,and compatibility with residential buildings,providing reference for promoting and expanding its engineering applications.

关 键 词：空气源热泵 自然对流末端 研究进展 直膨式 

分 类 号：TH3[机械工程—机械制造及自动化] TU833.1[建筑科学—供热、供燃气、通风及空调工程]