Introduction to the working and operating principles of hair dryers

　　According to the air supply method, there are centrifugal hair dryers and axial flow hair dryers. The centrifugal type relies on an electric motor to drive the rotation of the fan blades, allowing the air entering the hair dryer to obtain inertial centrifugal force and continuously exhaust outward. Its disadvantage is that not all the discharged air flows through the motor, resulting in a higher temperature rise of the motor; The advantage is low noise.

　　The axial flow motor drives the fan blades to rotate, pushing the air entering the hair dryer to flow axially and continuously exhaust air outward. Its advantage is that all the discharged air flows through the motor, which has good cooling conditions and less prone to insulation aging; Its disadvantage is that it is noisy.

　　According to the material used for the shell, there are metal type hair dryers and plastic type hair dryers. The metal hair dryer is sturdy and durable, and can withstand high temperatures. Plastic hair dryers are lightweight and have good insulation performance, but they are prone to aging and have poor high-temperature resistance.

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