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The basic working principle of Micro Cooling Fan motor

Time:2014-11-17 Click:372Times

"Micro Cooling Fan" basic working principles of electrical power, in different ways with DC motor and AC motor type motor. Using the computer as a DC fan motor, the supply voltage is +12 V, the speed from between 1000 to 10,000 rev / min. Use liquid rotor bearings and bearing housing structure between dynamic cooperation. The fan blades are fixed to the rotor, so that, when the rotor rotates, the rotation of the fan together with the rotor. Ordinary fans commonly used ball bearings, "Micro Cooling Fan" of operation, in order to improve the stability of the system and increase the service life, usually more advanced liquid bearing brush less DC motor brush less DC motor schematics to achieve commutation . Because there is friction brush, the brush or even shorten the life of the motor. Meanwhile, "Micro Cooling Fan" on the brush for high speed processing will produce a spark, but also interference with surrounding electronic circuits. For this reason, people invented a brush less DC motor, commonly referred to as a brush less motor (brush less motor).


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