Combined stator with spaced magnetic poles

A combination and magnetic pole technology, applied in the direction of magnetic circuit shape/style/structure, magnetic circuit, winding, etc., can solve the problems of inability to realize pole change and speed change

Active Publication Date: 2019-11-08
华滨电机(海门)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the disadvantage that common asynchronous motors cannot achieve pole-changing and speed-changing if they adopt centralized windings, and provide a magnetic pole spaced arrangement combined stator that adopts centralized windings and can realize pole-changing and speed-changing asynchronous motors.

Method used

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  • Combined stator with spaced magnetic poles
  • Combined stator with spaced magnetic poles
  • Combined stator with spaced magnetic poles

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Embodiment Construction

[0054] The present invention will be further described below in conjunction with the drawings.

[0055] Reference figure 1 , figure 2 , image 3 , The combined stator includes a stator component and a stator insert component. The stator component includes a stator iron core 9, a positioning pin 3, a welding pin 10, a toroidal coil bobbin 11, and a coil bobbin 6. The toroidal coil bobbin 11 includes a plurality of positioning coil bobbins 27. Each positioning coil bobbin 27 and coil bobbin 6 has two bobbin slots respectively, and the stator component also includes an inner coil-4 and an outer coil-5. The stator insert parts include a toroidal coil bobbin two 12, a coil bobbin two 14, a magnetic pole insert 15, a welding needle two 16, and a positioning pin two 18. The toroidal coil bobbin two 12 includes several positioning coil bobbin two 40, each positioning coil bobbin two 40 and coil bobbin two 14 have two bobbin wire slots respectively, and the stator insert part also inclu...

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Abstract

The present invention relates to a motor stator, in particular, a magnetic pole spaced arrangement combined stator. The magnetic pole spaced arrangement combined stator includes a stator component anda stator insert component; the stator magnetic poles of which the serial numbers are odd numbers, of the stator component and the stator insert component and the stator magnetic poles of which the serial numbers are even numbers, of the stator component and the stator insert component, are arranged alternately; in the winding machining process of a concentrated winding, a large machining operation space is provided between two adjacent stator magnetic poles, and therefore, the slot opening width of stator core wire slots can be reduced under a condition that the winding machining of the concentrated winding is not affected, or closed slots can be adopted as the stator core wire slots, and therefore, a cogging torque can be lowered, a brushless direct-current motor or permanent magnetic synchronous motor can use integer-slot windings, the selection range of the number of slots and the number of poles in the design of the brushless direct-current motor or the permanent magnet synchronous motor can be extended, and the performance of the motor can be improved. The combined stator can realize pole variation and speed variation when applied to an asynchronous motor, so that the asynchronous motor can be facilitated to decrease an additional torque generated by a tooth harmonic magnetic field, and therefore, the efficiency of the motor can be improved.

Description

Technical field [0001] The invention is a combined stator with magnetic poles arranged at intervals, which relates to a motor stator, in particular to a concentrated winding coil which is wound on the iron core magnetic pole body and the magnetic pole insert of the stator iron core respectively, and makes several Two magnetic pole inserts are inserted into the stator iron core of the motor stator with the tongue and groove between the two adjacent iron core magnetic pole bodies. Background technique [0002] Motor stator winding coils are divided into two types of structures: distributed winding and concentrated winding. Most asynchronous motors use distributed windings, while brushless DC motors (BLDC) and permanent magnet synchronous motors (PMSM) use concentrated windings. The distributed winding processing technology is complicated, and the centralized winding processing technology is simple. The phase-to-phase insulation of concentrated windings is higher than that of dist...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K1/14H02K1/16H02K3/52
CPCH02K1/148H02K1/165H02K3/522H02K2201/15
Inventor 赵晓东
Owner 华滨电机(海门)有限公司
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