Sound insulation device, compressor assembly and air conditioner

The invention discloses a sound insulation device, a compressor assembly and an air conditioner, and the sound insulation device comprises a sound insulation layer located on the outermost layer; the sound absorption layer is located in the sound insulation layer, and a containing cavity is formed in the sound absorption layer; and the silencing pore plate is arranged between the sound insulation layer and the sound absorption layer. According to the sound insulation device, the compressor assembly and the air conditioner, the problem that in the prior art, the noise reduction effect of a compressor is poor is effectively solved. 本发明公开了一种隔音装置、压缩机组件及空调器，其中，隔音装置包括：隔音层，所述隔音层位于最外层；吸音层，所述吸音层位于所述隔音层内部，所述吸音层形成有容纳腔；消音孔板，所述消音孔板设置在所述隔音层和所述吸音层之间。本发明的隔音装置、压缩机组件及空调器有效地解决了现有技术中压缩机的降噪效果差的问题。