Analyses the noise transmission character of heat pump units.Gives a noise control example.Presents the design method, key technology and the effect of the enclosed device of sound insulation and noise elimination.

• 分析了风冷热泵机组的噪声传播特性,结合热泵机组的噪声治理工程实例,介绍了封闭式隔声消声装置的设计方法、设计要点和治理效果。