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Small Cooling Fan structure

Date: 2015-3-12   Click: 1443 Times

The stator is fixed to the "Small Cooling Fan" stent, is a non-rotating part of the motor. There are more than two rotor coil winding made from enameled wire, called windings. Generates a magnetic field when a current passes through the windings, the role of the magnetic field and the stator magnetic field generating power. Since the stator is stationary, and therefore "Small Cooling Fan" rotation of the rotor under the action of force. Commutator DC motor is a special apparatus, and by changing the composition of a number of segments, each two adjacent commutator intermediate insulating sheet. The surface of the commutator by a spring pressing the brush fixed, so that rotation of the armature winding can be coupled with an external circuit. When the "Small Cooling Fan" rotor turned at an angle, the commutator will access another supply voltage windings, and continue to produce a magnetic field in the windings. Visible, due to the presence of the commutator, the armature coil by the electromagnetic torque remains unchanged, the electromagnetic torque acts in the armature to rotate,

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