关键词: 热泵热水器, 能效测试, 排水内能控制, 自动化测试

Abstract: To meet the regulatory requirements of the European standard EN 16147:2017 for energy efficiency testing of heat pump water heaters, a mobile energy efficiency test device for heat pump water heaters has been developed. This device is seamlessly compatible with the water supply and environmental condition systems of existing domestic test laboratories built to GB/T 23137—2020, and enables full-process automated testing of all energy efficiency indicators. Verification results demonstrate that the deviation between the test data obtained from this device and the results from the reference laboratory is less than 2%, and its test accuracy fully satisfies the relevant requirements of both European and Chinese national standards. Furthermore, the device boasts the advantages of low retrofitting cost, short test cycle, convenient mobility and flexible operation. It is applicable to energy efficiency testing of heat pump water heaters in various scenarios, and possesses high engineering popularization and practical application value.

Key words: Heat pump water heaters, Energy efficiency test, Drainage internal energy control, Automated testing