Sound absorption and insulation device and power equipment

The invention discloses a sound absorption and insulation device and power equipment, and belongs to the technical field of vibration and noise reduction, and the sound absorption and insulation device comprises a shell, a labyrinth assembly and a porous material layer. The shell is provided with a containing cavity and a plurality of through holes communicating with the containing cavity. The maze assembly is connected with the shell and arranged in the containing cavity, the maze assembly comprises a base plate and a partition plate assembly which are connected, the base plate is provided with an opening communicated with the through holes, the partition plate assembly is spaced to form a maze channel, and the maze channel is communicated with the opening. The porous material layer is arranged in the containing cavity and located on the side, away from the through hole, of the labyrinth assembly, and the porous material layer covers and seals the labyrinth channel. According to the sound absorption and insu