Professional manufacturing and production of radiator cooling fans, condenser fans and fan motors, etc.

【 Dc fan 】 The working principle of

by:TOCH     2021-01-27
A magnetic field, electric current through a conductor, if will be placed in another magnetic field, the conductor will generate attraction or repulsion, moving object. Within the dc fan blades, the rubber magnet around the silicon steel sheet, the axis part two sets of coil winding, and use hall sensor component as a group synchronous detection device control circuit, the circuit make the job of two groups of coil turns of coil axis. Produce different magnetic poles of the steel, the magnetic pole and rubber magnet repulsion. When the suction repulsion is greater than the static friction force of dc fan, dc fan blades natural turn. Because the hall sensor component provides synchronization signals, blades so sustained operation, this is the working principle of the dc fan.
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