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本文以100m2的住宅用户为研究对象,提出一种直膨式多功能太阳能热泵系统,该系统可以实现夏季制冷、冬季制热、全年提供生活热水,并且随太阳辐射强度的不同可以实现变容量调节。对直膨式多功能太阳能热泵系统的初投资、年能耗、寿命周期内的总投资等指标进行分析,与普通空调和电热水器、普通空调和燃气热水器、普通空调和空气源热泵热水器进行比较,并分析了使用年限、日太阳能供热小时数及日生活热水用量等因素对系统经济性的影响。此外,还对此系统的变容量运行进行了总体性的经济性分析。
In this paper, 100m2 residential users as the research object, proposed a direct-expansion multi-function solar heat pump system that can achieve the summer cooling, winter heating, hot water throughout the year to provide, and with the different solar radiation intensity can be changed Capacity adjustment. The initial investment, annual energy consumption and total investment in life cycle of the direct expansion multi-function solar heat pump system are compared with those of ordinary air conditioners and electric water heaters, ordinary air conditioners and gas water heaters, normal air conditioners and air source heat pump water heaters , And analyzed the service life, solar heating hours and the daily amount of hot water and other factors on the system economy. In addition, a general economic analysis of the system’s variable capacity operation is also carried out.