Combined-type flux switching permanent magnet motor

A magnetic flux switching motor, a composite technology, applied in the direction of electrical components, electromechanical devices, magnetic circuit static parts, etc., can solve the problems of inability to generate power density and control flexibility, achieve low winding difficulty, and expand the scope of application , to avoid the serious effect of temperature rise

Active Publication Date: 2015-02-18
SUZHOU KAIBO YIKONG DRIVE TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the flux switching permanent magnet motors currently proposed are mainly a stator and a rotor structure, and the most widely used is the inner rotor structure. This type of structure cannot produce sufficient power density and control flexibility in some occasions.

Method used

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  • Combined-type flux switching permanent magnet motor

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Embodiment Construction

[0023] as figure 1 Taking a compound flux switching motor with three-phase stator 12 slots / rotor 10 poles of the inner motor and an outer motor three-phase stator 12 slots / rotor 10 poles as an example, the technical solution of the present invention will be described in detail.

[0024] The motor of the present invention comprises an inner rotor 1, a stator 2 surrounding the inner rotor 1, an outer rotor 3 surrounding the stator 2, an air gap is arranged between the two rotors and the stator 2; Both sides of the stator 2 are provided with salient pole teeth without windings, and the inner and outer sides of the stator 2 are provided with salient pole teeth. The yoke is embedded with a magnetic isolation ring 23, and the salient pole teeth on both sides of the stator 2 are provided with an excitation device 24. The magnetization direction of the excitation device 24 is tangential to the circumference of the stator 2 and is on the same side of the stator 2. The magnetization di...

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Abstract

The invention discloses a combined-type flux switching permanent magnet motor which comprises an inner rotor, a stator and an outer rotor,wherein the stator surrounds the inner rotor; the outer rotor surrounds the stator; air clearances are arranged between the two rotors and the stator; salient pole gears without windings are arranged at one sides, which are towards the stator, of the inner rotor and the outer rotor; salient pole gears are arranged on the inner side and outer side of the stator; an inner side winding and an outer side winding which are sleeved on the salient pole gears are respectively arranged on the inner side and the outer side of the stator; an insulation magnetic ring is embedded on the yoke part of the stator; the salient pole gears at the inner side and outer side of the stator are internally provided with excitation devices; the magnetizing directions of the excitation devices are the circumferential tangency direction of the stator, and are at the same side of the stator; and the magnetizing directions of the excitation devices in the two adjacent salient pole gears are opposite.

Description

technical field [0001] The invention belongs to the field of motor manufacturing and its application, and relates to a composite magnetic flux switching motor, which is suitable for a magnetic flux switching motor with any number of phases, any combination of stator and rotor cogging numbers, and any excitation mode. Background technique [0002] As the energy crisis continues to intensify, it has become a worldwide consensus to use permanent magnet excitation instead of electric excitation to save energy consumption. At the same time, since my country is the country with the most abundant rare earth resources in the world, open research and promotion of rare earth permanent magnet motors with new structures can significantly improve the efficiency and power density of the motor, which has important theoretical significance and use value. Especially in the stator permanent magnet motors that have appeared in recent years, since the permanent magnets and armature windings are...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K16/02H02K1/24H02K1/14
Inventor 花为张淦程明
Owner SUZHOU KAIBO YIKONG DRIVE TECH CO LTD
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