Special low-noise axial flow fan for electric power

The low-noise axial flow fan special for the electric power comprises an axial flow fan body, an axial flow impeller, a motor support, a motor and safety nets, the motor is installed in the axial flow fan body through the motor support, an output shaft of the motor is connected with the axial flow impeller, and the safety nets are installed on the left side and the right side of the axial flow fan body respectively. The axial flow impeller comprises blades, connecting pieces and an impeller shell, the impeller shell is arranged on an output shaft of the motor in a sleeving mode, the blades are evenly distributed on the impeller shell through the connecting pieces, and the edges, close to the air outlet side, of the blades are provided with zigzag structures. The edges of the air outlet sides of the blades of the axial flow fan impeller are designed to be of the sawtooth-shaped structure, the motor is located on the air outlet side, noise is low, the heat dissipation efficiency of the motor is high, and safety