太阳能空气源复合多功能热泵系统的试验研究  

Experimental Study of Multi-functional Solar-air Source Heat Pump System

作　　者：黄紫祺 徐国英[1] 张小松[1] 

机构地区：[1]东南大学,江苏南京210096

出　　处：《流体机械》2016年第12期54-58,共5页Fluid Machinery

基　　金："十二五"国家科技支撑计划项目(2011BAJ03B14)

摘　　要：构建了一种多功能直膨式太阳能与空气源复合的热泵系统。在常州的冬季及春季分别对试验样机的运行特性进行研究。试验结果表明:系统在冷暖联供的工况下,即同时产生生活热水和冷冻水,整个过程平均COP为6.0;在冬季,太阳辐射强度为354 W/m^2时,系统制生活热水平均COP为4.32;模拟系统供暖,即将循环水从40℃加热至45℃时,测试结果中最低COP为5.07。在春季,太阳辐射强度为856 W/m^2时,系统制生活热水平均COP为5.78。夏季时,系统同时生产冷热水用于生活热水和供冷的需求;冬季时,由于太阳能的辐射,提高了系统的蒸发温度,热泵的性能因此得到提升。A multi-functional direct-expansion type solar-air source heat pump system was developed. An experimental prototype was investigated in summer and winter in Changzhou. Experimental results showed that when domestic hot-water and chilled water are produced at the same time,the average COP（ coefficient of performance） of the system is 6. 0; in winter,the average COP is4. 32 when the average solar radiation intensity is 354 W / m2; when the circulating water was heated from 40 ℃ to 45 ℃ to simulate the heating condition,the minimum COP in the results is 5. 07. In spring,the average COP is 5. 78 when the solar radiation intensity is 856 W / m2. In summer,the domestic hot- water and chilled water could be produced simultaneously; in winter,the evaporator temperature is raised through solar energy input which,in turn,translates into improvement in the thermal performance of the heat pump.

关 键 词：太阳能与空气源复合热泵 生活热水 COP 太阳辐射强度 

分 类 号：TH12[机械工程—机械设计及理论]