BLDC hair dryer supplier.Principle of hair dryer

　　A hair dryer is a combination of a set of electric heating wires and a high speed small fan. When powered on, the electric heating wire generates heat, and the wind blown by the fan passes through the electric heating wire, becoming hot air. If only the small fan rotates and the electric wire is not hot, then what blows out is only wind and not heat.

　　The air blown by a hair dryer belongs to dry air. If used for a long time, it can easily cause water loss and heat damage. The secret to minimizing damage is to use a towel to pat dry the moisture on the hair, gently comb the hair with your hand, and then use the hair dryer again.

　　Hair dryers are mainly used for hair drying and shaping, but they can also be used for local drying, heating, and physical therapy in laboratories, physical therapy rooms, industrial production, art, and other fields. According to the type of motor used, it can be divided into AC series excitation, AC shield pole, and DC permanent magnet. The advantages of a series excitation hair dryer are large starting torque and high speed, making it suitable for manufacturing high-power hair dryers; The disadvantage is high noise, and the commutator has certain interference with telecommunications equipment. The advantages of a cover pole hair dryer are low noise, long service life, and no interference to telecommunications equipment; The disadvantages are low speed, poor starting performance, and heavy weight. The advantages of permanent magnet hair dryers are light weight, high speed, simple manufacturing process, low cost, and good quality at a reasonable price.

　　Although there are many types of hair dryers, their structures are similar and similar, all composed of a shell, handle, motor, fan blade, electric heating element, wind deflector, switch, power cord, etc.

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