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Permanent magnet double-stator synchronous machine

A synchronous motor, double stator technology, applied to synchronous motors with stationary armatures and rotating magnets, electrical components, electromechanical devices, etc., can solve the problems of large quadrature-axis armature reaction, large rotor flux leakage, and application limitations. , to achieve the effects of small armature reaction and rotational inertia, convenient processing and simple structure

Inactive Publication Date: 2008-04-02
TIANJIN DEXIN ELECTRIC MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the rotor flux leakage of the tangential structure permanent magnet motor is large, the quadrature axis armature reaction is large, the rotor process is complicated, the volume of the permanent magnet and the motor cannot be fully utilized, and the application is limited
The permanent magnet motor with axial structure has a large transverse diameter and is difficult to process. The process is complex, the magnetic density is uneven, the inner and outer ends of the stator winding are unevenly distributed, and the cooling of the inner end is difficult.

Method used

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  • Permanent magnet double-stator synchronous machine

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Embodiment

[0007] Embodiment: A permanent magnet double-stator synchronous motor, consisting of a casing 1, an outer stator core 2, permanent magnets 3, 10, an inner stator core 4, a bearing cover 5, a bearing 6, an end cover 7, and an outer stator winding 8 , inner stator winding 9, front end cover 11, fan 12, rotor 13 constitute, rotor 13 is composed of tile-shaped permanent magnet steel 3, non-magnetic support 16 and rotating shaft 17 to form multipole cup-shaped rotor, the inner and outer circles of rotor magnet A bushing 15 and a protective collar 14 are respectively arranged on the periphery. The cup-shaped rotor 13 is fixed on the rotating shaft at one end, and a fan is installed on the rotor. There is an air passage on the bracket 16 and between the sleeve 18 and the rotating shaft 17. In the square casing of the stator core, there are ventilation ducts at the four corners, and corresponding ventilation holes are provided on the left and right end covers.

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PUM

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Abstract

A permanent magnetism double-stator synchronous machine is provided, wherein, a rotor is a multipolar drag cup rotor consisting of a tegular permanent magnetic steel, a non-magnetic bracket and a rotating shaft; the inner annulus and the outer annulus of the magnetic steel of the rotor are respectively provided with a bushing and a lantern ring; the single end of the drag cup rotor is fixed on the rotating shaft, and a fan is arranged on the rotor; an air passage is arranged on the bracket and between the bushing and the rotating shaft; the four corners of a square housing fixing an outer stator core are provided with air chutes; a left end closure and a right end closure are provided with vents correspondingly. The invention has the advantages of small cubage of the machine, minimal armature reaction and moment of inertia, convenient manufacturing and simple structure.

Description

technical field [0001] The invention relates to a permanent magnet double-stator synchronous motor. Background technique [0002] At present, the rotor magnetic flux leakage of the tangential structure permanent magnet motor is large, the quadrature axis armature reaction is large, the rotor process is complicated, the volume of the permanent magnet and the motor cannot be fully utilized, and the application is limited. The permanent magnet motor with axial structure has a large transverse diameter and is difficult to process. The process is complex, the magnetic density is uneven, the inner and outer ends of the stator winding are unevenly distributed, and the cooling of the inner end is difficult. Contents of the invention [0003] The purpose of the present invention is to overcome the above defects and provide a permanent magnet double stator synchronous motor. [0004] The technical solution of the present invention is: a permanent magnet double-stator synchronous mo...

Claims

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Application Information

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IPC IPC(8): H02K16/04H02K21/12H02K9/06H02K5/20
Inventor 马长富
Owner TIANJIN DEXIN ELECTRIC MACHINERY