太阳能热泵供暖技术研究进展*
Research progress of solar energy heat pump heating technology
摘要：
阐述了太阳能热泵系统的运行原理及特点，分别从集热器、相变储能技术应用、制冷剂及适用于低温环境的太阳能热泵系统等方面对国内外研究进行了综述。指出了将光伏和热管技术应用到太阳能集热器中可提高其集热效率，采用相变蓄能技术可提高系统的运行稳定性，应用喷射器和热泵复叠技术可有效减小压缩机压比，提高低温环境下热泵系统综合性能；分析了限制太阳能热泵供暖技术推广的原因，并指出其未来的发展方向。
Abstract：
Describes the operation principles and characteristics of the solar energy heat pump system. Summarizes domestic and foreign researches from the aspects of solar collector, the application of the phase-change energy storage technology, refrigerants and solar energy heat pump system suitable for low temperature environment. Points out that the application of the photovoltaic and heat pipe technology to solar collector can improve the heat collection efficiency, phase-change energy storage technology can improve the stability of the system, and the application of the injector and heat pump cascade technology in the system can effectively reduce the compressor pressure ratio and improve the comprehensive performance of the heat pump system in low temperature environment. Analyses the reasons for limiting the promotion of solar heat pump heating technology. Puts forward its future development direction.
Keywords:solarenergy,heatpump,heating,photovoltaic,heatpipe,phase-changeenergystorage