Rotor: consists of magnets, fan blades and shafts; Stator: consists of silicon steel sheets, coils and bearings; Control circuit: IC induction magnet N. S. The pole is controlled by a circuit to conduct its coil to generate internal excitation to rotate the rotor. Type: Axial fan, DC fan.
Choice: overall heat dissipation requirement Q=Cp m A T = D Cp CFM △ T
Basic structure
Mainly composed of four parts
Rotor: consists of magnets, fan blades and shafts;
Stator: consists of silicon steel sheet, spool and bearing;
Control circuit: Magnet is induced by IC;
S. Pole controls its coil conduction through the circuit to generate internal excitation to rotate the rotor.