Sheet type silencer device

The utility model discloses a sheet type silencer device which comprises a shell, a row of fixed silencing sheets and a row of movable silencing sheets. The fixed silencing pieces and the movable silencing pieces are arranged in the shell, the row of fixed silencing pieces and the row of movable silencing pieces are arranged in parallel in a staggered mode, the two ends of each movable silencing piece are connected with the inner side wall of the shell in a sliding mode, and the row of movable silencing pieces are arranged close to the air inlet of the shell. The movable silencing sheets of the sheet type silencer device can move towards one ends of the fixed silencing sheets under the action of wind, the two rows of staggered silencing sheets are close to each other to reduce the distance (sheet spacing) between the silencing sheets, the silencing amount can be increased, the moving amount of the movable silencing sheets is related to the wind power, and the silencing effect is good. Therefore, different sil