新型间联式太阳能空气源热泵用于供热的效果分析

发布时间：2018-03-16 15:05

本文选题：太阳能　切入点：空气源热泵　出处：《暖通空调》2016年12期 　论文类型：期刊论文

【摘要】：介绍了该系统的组成和工作原理,在日照充足时可利用太阳能直接制热;在夜间等无太阳能时利用风冷换热器取热,并通过载冷剂将热量提供给热泵蒸发器,通过热泵制取热水;在太阳辐射较弱时利用太阳能集热器和风冷换热器加热载冷剂并通入热泵蒸发器,充分利用太阳能并提高蒸发温度。在风冷换热器和热泵冷凝器之间设置换热器,用热泵制取的热水为风冷换热器除霜,可降低除霜能耗并保证制热的连续性。以北京为例进行分析,结果表明,该系统用于冬季供暖时,系统一次能源效率为1.13,均高于太阳能集热器+电加热系统和空气源热泵系统;相对于太阳能集热器+电加热系统,间联式太阳能空气源热泵系统的节能率达到58%。
[Abstract]:The composition and working principle of the system are introduced, which can be heated directly by solar energy when sunshine is sufficient, and when there is no solar energy at night, the heat can be obtained by using air-cooled heat exchanger, and the heat can be supplied to the heat pump evaporator by refrigerant. Heat pump is used to make hot water, solar collector and air-cooled heat exchanger are used to heat refrigerant and pass into heat pump evaporator when solar radiation is weak. Make full use of solar energy and raise evaporation temperature. Set up heat exchangers between air-cooled heat exchangers and heat pump condensers, and defrost air-cooled heat exchangers with hot water produced by heat pumps. The energy consumption of defrosting can be reduced and the continuity of heating can be ensured. Taking Beijing as an example, the results show that the primary energy efficiency of the system is 1.13, which is higher than that of solar collector electric heating system and air source heat pump system. Compared with the solar collector electric heating system, the energy saving rate of the interconnect solar air source heat pump system is 58.
【作者单位】：清华大学室内空气质量评价与控制北京市重点实验室;中国建筑科学研究院;
【基金】：国家自然科学基金创新群体基金资助课题(编号:51521005) 国家重点研发计划项目(编号:2016YFC0700304)
【分类号】：TU83

【参考文献】