空气循环扇能效测试方法的分析与解读

Analysis and interpretation of energy efficiency test method of air circulation fan

国家强制性标准GB 12021.9-2021《电风扇能效限定值及能效等级》已经发布并即将实施,标准增加了“聚风型风扇”的类型,并对此类风扇的能效提出了新的技术要求。从聚风型风扇的特点及原理进行介绍,分析影响其风量大小的因素,并对聚风型风扇的风量测试方法、能效计算方法进行解读,使读者对电风扇新能效标准有更加全面的了解,为相关设计开发人员提供参考。

The national mandatory standard GB 12021.9-2021"Minimum allowable values of energy efficiency and energy efficiency grade of electric fan"has been released and will be implemented,the standard adds the type of"wind gathering fans"and puts forward new technical requirements for the energy efficiency of such fans.It introduces the characteristics and principles of concentrated fan,analyzes the factors affecting its air volume,and interprets the air volume test method and energy efficiency calculation method of concentrated fan.Make readers have a more comprehensive understanding of the new energy efficiency standards for electric fans,and provide reference for relevant design and development personnel.