Heat-dissipating structure for motor stator

Abstract

A heat-dissipating structure for a motor stator is applied to a heat-dissipating fan and includes a silicon steel set and at least one heat pipe. The silicon steel set has a plurality of silicon steel pieces stacked up each other. Magnetic poles of the respective silicon steel pieces are stacked up to form at least one magnetic post. At least one coil set is wound on the magnetic poles. The heat pipe is connected to the silicon steel pieces for thermally conducting the heat of the silicon steel set and the coil set. With this arrangement, the temperature of the silicon steel set and the coil set is lowered, and the performance of the heat-dissipating fan is improved.

1 . A heat-dissipating structure for a motor stator, including:
 a silicon steel set having a plurality of silicon steel pieces stacked up each other, the silicon steel pieces extending outwards to form a plurality of magnetic poles, the magnetic poles being stacked up to form at least one magnetic posts, at least one coil set being wound on the magnetic posts; and   at least one heat pipe connected to the silicon steel pieces for thermally conducting the heat of the coil set and the silicon steel set.   
     
     
         2 . The heat-dissipating structure for a motor stator according to  claim 1 , further including a fan circuit board connected to one side of the silicon steel set, the heat pipe being disposed through the fan circuit board. 
     
     
         3 . The heat-dissipating structure for a motor stator according to  claim 1 , wherein one end of the magnetic pole has an expanding portion, the magnetic poles are stacked up to form the magnetic post, the expanding portions are stacked up to form a magnetic pole end. 
     
     
         4 . The heat-dissipating structure for a motor stator according to  claim 3 , wherein the heat pipe is connected to the magnetic pole end. 
     
     
         5 . The heat-dissipating structure for a motor stator according to  claim 1 , wherein the center of the silicon steel piece has a hole, the holes of the respective silicon steel pieces are stacked up to form a channel. 
     
     
         6 . The heat-dissipating structure for a motor stator according to  claim 5 , wherein the heat pipe is connected to the silicon steel piece and adjacent to the channel.