13-08-2021 дата публикации
Номер: CN113258740A
Принадлежит:
The invention relates to a motor, and especially relates to an external rotor motor. The external rotor motor comprises a casing with an air outlet hole at the top, a top cover and a bottom cover which are fixed at two ends of the casing, a stator, a rotor and a filter mounted on the bottom cover; the stator comprises a stator iron core, a winding and a stator frame, the stator frame is fixed on the bottom cover, and the winding is fixed on the stator frame through the stator iron core; the rotor comprises permanent magnets, a rotating ring, fan blades and a motor shaft, the permanent magnets are fixed to the inner circle face of the rotating ring in an annular array mode and arranged opposite to the stator iron core, the motor shaft is fixed to the top of the rotating ring through the fan blades, the motor shaft is rotationally connected with the stator frame and the top cover, and the fan blades are arranged opposite to the air outlet holes and arranged around the motor shaft in an annular ...
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