【作者】 王合迎； 张宝怀；

【Author】 WANG He-ying ZHANG Bao-huai (Southeast University,Nanjing 210096,China)

【机构】 东南大学；

【摘要】 随着节能要求的不断提高,热泵热水器作为一种有效的节能设备不断的被市场接受。世界各国对热泵热水器的研究也在不断的加强。由于热泵热水器的工作工况的特殊性,其工况变化的幅度大,对系统各设备的工况范围要求高。本文分析了空气源热泵热水器的节流特性,比较了热力膨胀阀和电子膨胀阀在热泵热水器中的应用效果,可供热泵热水器设计选型参考。更多还原

【Abstract】 As the increasing requires of save energy,the heat pump water heater which is considered as a effectual energy- saving equipment is accepting by market.The study of heat pump water heater is also reinforcing in many countries.Because of the big width varied working-condition of the heat pump water heater,it takes higher requires of the throttle.In order to getting the purpose of guiding the heat pump water heater design,it analyzes the differences of thermal expansion valve and electronic ex- pansion valve in the thesis.更多还原