以青岛市某公司办公楼太阳能热泵系统为研究对象，通过TRNBuild建立建筑模型，仿真分析同一建筑全天供暖与日间供暖热负荷分布特点，针对建筑日间供暖需求建立太阳能-空气源热泵仿真供热系统，利用TRNSYS软件进行供热季仿真模拟，计算日间供暖集热器最佳设计面积。仿真结果表明：相较于全天供暖，建筑日间供暖热负荷波动更为剧烈，最大峰值约为全天供暖的2倍，针对日间供暖设计的太阳能热泵系统在集热器面积为417 m2时运行经济性最佳，系统COP可达4.1，对应太阳能贡献率为24.7%，供暖季相较于传统空气源热泵可节约电能9 091 kW•h。

Taking the solar heat pump system of the office building of a company in Qingdao as the research object, the building model was established through TRNBuild to simulate and analyze the heat load distribution characteristics of allday heating and daytime heating in the same building.And the solarair source heat pump simulation heating system was established for the building′s daytime heating needs.The heating season was simulated and the best design area of the daytime heating collector was calculated by using TRNSYS software.The simulation results show that compared with allday heating, the heat load of the building′s daytime heating fluctuates more drastically, and the maximum peak value is about twice that of allday heating.The solar heat pump system with collector area of 417 m2 designed for daytime heating has the best operating economy, the system COP can reach 4.1, the corresponding solar energy contribution rate is 24.7% and the electric energy can be saved by 9 091 kW〖DK(〗•〖DK)〗h in heating season compared with traditional air source heat pump.

TU832.1

青岛市民生科技计划项目“低品位能源供热供冷技术及应用示范”（19-6-1-79-nsh)