空气源热泵热水器试验台的设计

摘要

由于空气源热泵热水器的热容量随地域性和季节性变化较大，冷媒的质量流量调节范围较大，系统运行特性较为复杂，优化系统性能显得尤为重要。通过空气源热泵热水器试验台的搭建，可以对蒸发器风冷效率，压缩机压缩特性，电子膨胀阀开度等进行独立的研究，进而根据不同工况优化设置系统参数，提高系统制热COP。%As the heat capacity of air source heat pump water heater change large with regional and seasonal variation,the re-frigerant mass flow has a wide regulating range,the operating characteristics of system are more complex,and optimizing system performance is very important. By designing an air source heat pump water heater test-bed,the efficiency of air-cooled evaporator, compression characteristics of compressor,electronic expansion valve opening degree can be research independent. And then,ac-cording to different working conditions setting the system parameters optimally,improving the COP of system heating.