Noise reduction device applying centrifugal fan

The utility model discloses a noise reduction device using a centrifugal fan. The utility model belongs to the technical field of fan equipment, the utility model discloses a noise reduction device applying a centrifugal fan. Bottom plate, four evenly-distributed supporting columns are arranged at the upper end of the bottom plate. The upper ends of the struts are fixedly connected with supportingplates; a centrifugal fan is mounted at the upper end of the supporting plate; four mounting grooves which are uniformly distributed and matched with the supporting columns are formed in the upper end of the bottom plate; the inner bottom end of the mounting groove is fixedly connected with a T-shaped column; a main damping spring is fixedly connected between the supporting column and the inner bottom end of the mounting groove; the main damping springs are located on the outer sides of the T-shaped columns. A storage groove is formed in the bottom end of the supporting column, the T-shaped column is located in the s