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Motor stator core, motor stator, motor and method for manufacturing motor stator

A motor stator and iron core technology, which is applied in the manufacture of motors and motor stators, motor stator cores, and motor stator fields, can solve the problems of low magnetic density of stator cores, low material utilization, and poor performance of motors, and achieve Increased magnetic density, high material utilization, and weight reduction effects

Active Publication Date: 2018-12-07
GUANGDONG WELLING ELECTRIC MACHINE MFG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In order to improve the performance of the permanent magnet motor, the existing motor structure adopts the method that the axial length of the rotor magnet steel is longer than the axial length of the stator core to gather the magnetism and increase the performance, but this kind of magnetism gathering effect is poor; for some stator cores Although the thicker motor adopts the above-mentioned magnetic concentration structure, the magnetic density of the stator core is low, the material utilization rate is low, and the performance of the motor is not good.

Method used

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  • Motor stator core, motor stator, motor and method for manufacturing motor stator
  • Motor stator core, motor stator, motor and method for manufacturing motor stator
  • Motor stator core, motor stator, motor and method for manufacturing motor stator

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Embodiment 1

[0056] Such as figure 1 with figure 2 As shown, a motor stator core 10 provided by the embodiment of the present invention includes a core body part 100 and a tooth shoe boss part 200 assembled at one or both ends of the iron core body part 100. The tooth shoe boss part 200 In contact with the end of the iron core body 100 and protruding from the end of the iron core body 100, the tooth shoe boss portion 200 and the iron core body 100 can be separately prepared and connected by assembling, or The iron core body 100 is prepared first, and then the tooth shoe bosses 200 are assembled at one or both ends of the iron core body 100. The split structure can be adopted, and powder metallurgy and other methods are not required for molding, and the production cost is low. By adding the boss portion 200 of the tooth shoe, the purpose of increasing the axial length of the motor stator core 10 can be achieved without increasing the length of the winding turns; moreover, the boss portion...

Embodiment 2

[0060] Such as Figure 3 to Figure 14 As shown, the embodiment of the present invention also provides a motor stator, including a motor stator core 10 and a winding (not shown in the figure) wound around the motor stator core 10 . The motor stator core 10 includes a core body part 100 and a tooth shoe boss part 200 assembled at one or both ends of the iron core body part 100. In a specific application, the tooth shoe boss part 200 can be arranged at one end of the iron core body part 100 , can also be separately provided at both ends of the iron core body part 100 . The tooth shoe boss 200 is in contact with the end of the core body 100 and protrudes from the end of the iron core body 100. The tooth shoe boss 200 can guide the magnetic flux of the magnet on the rotor to the stator teeth. On the other hand, the magnetic concentration effect is better, the magnetic density of the stator core can be improved, the material utilization rate is higher, the weight of the stator core...

Embodiment 3

[0077] An embodiment of the present invention provides a motor, which may be a permanent magnet brushless motor. The above motor includes a rotor and the motor stator in the second embodiment. The motor stator core 10 of the motor stator can adopt a conventional lamination structure, which can be mainly composed of two parts: one part is a conventional structure with teeth and yokes, and the other part is the tooth shoe boss part 200, which can be passed through The connecting piece 300 is connected, and the connecting piece 300 can be provided with a boss with a boss receiving groove 301 , and the boss can be used to place the boss portion 200 of the tooth shoe. By adding the tooth shoe boss portion 200, the axial length of the motor stator core 10 can be increased without increasing the winding turn length. Moreover, powder metallurgy materials are not used, and the punching structure is adopted, and the material cost is lower; the tooth shoe boss part 200 can be punched ou...

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Abstract

The invention belongs to the technical field of motors and discloses a motor stator iron core, a motor stator, a motor and a manufacturing method of the motor stator. The motor stator comprises the motor stator iron core. The motor comprises the motor stator and the motor stator iron core. According to the motor stator iron core, one end or two ends of an iron core body are provided with tooth boot boss portions, the purpose of increasing the axial length of the motor stator iron core can be achieved, and the turn length of a winding is not increased; besides, the flux of a magnet on a rotor can be guided to stator teeth through the tooth boot boss portions, the magnetism gathering effect is better, the flux density of the stator iron core can be improved, the material utilization rate is higher, and the weight of the motor stator iron core is reduced. Meanwhile, the turn length of the winding of the motor stator is reduced, the weight of the winding is reduced, the length of the end of the motor is reduced, and the motor is high in performance and low in cost.

Description

technical field [0001] The invention belongs to the technical field of motors, and in particular relates to a motor stator iron core, a motor stator, a motor and a manufacturing method of the motor stator. Background technique [0002] In order to improve the performance of the permanent magnet motor, the existing motor structure adopts the method that the axial length of the rotor magnet steel is longer than the axial length of the stator core to gather the magnetism and increase the performance, but this kind of magnetism gathering effect is poor; for some stator cores Although the thicker motor adopts the above-mentioned magnetic concentration structure, the magnetic density of the stator core is low, the material utilization rate is low, and the performance of the motor is not good. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and provide a motor stator core, a motor stator, a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K1/14H02K15/02
CPCH02K1/14H02K15/02
Inventor 丁伟兵王飞陈金涛
Owner GUANGDONG WELLING ELECTRIC MACHINE MFG
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