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Permanent magnet birotor vernier motor

A rotor vernier and permanent magnet technology, which is applied in the direction of magnetic circuit rotating parts, electric components, electrical components, etc., can solve problems such as limited engineering applications, and difficulties in processing and manufacturing composite motors, so as to increase utilization, improve performance, and increase power effect of density

Active Publication Date: 2020-12-29
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the three-layer air gap structure of this composite motor brings great difficulties to the processing and manufacturing, which limits its practical engineering application

Method used

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  • Permanent magnet birotor vernier motor
  • Permanent magnet birotor vernier motor
  • Permanent magnet birotor vernier motor

Examples

Experimental program
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Effect test

Embodiment Construction

[0015] The present invention will be further described below in conjunction with accompanying drawing:

[0016] Such as Figure 1~4 As shown, the permanent magnet dual-rotor vernier motor of this embodiment includes an outer rotor 1, an inner rotor 8 and a stator 5, the stator 5 is located between the outer rotor 1 and the inner rotor 8, and the inner side of the outer rotor 1 is provided with an outer rotor slot 11. The outer rotor slot 11 is embedded with a number of phases (p 2 +p 3 ) of the winding 2, the outside of the stator 5 is provided with an outer stator slot 51, and the outer stator slot 51 is embedded with a number of pole pairs p 2 ,p 3 Two sets of windings 3 and 4, the inner side of the stator 5 is provided with an inner stator slot 52, and the inner stator slot 52 is embedded with a pole pair number p 1 winding 6, the permanent magnet 7 on the inner rotor 8 adopts a surface-mounted installation method, and the number of pole pairs of the permanent magnet 7 ...

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Abstract

The invention relates to a permanent magnet birotor vernier motor which comprises an inner rotor, a stator and an outer rotor, the stator is located between the inner rotor and the outer rotor, an outer rotor groove is formed in the inner side of the outer rotor, an outer stator groove is formed in the outer side of the stator, an inner stator groove is formed in the inner side of the stator, andthe stator is of an integrally-formed structure. A permanent magnet with a pole pair number of p1 is arranged on the inner rotor, a set of winding capable of forming a magnetic field with a pole pairnumber of p1 is arranged on the inner stator groove, two sets of windings capable of forming a magnetic field with a pole pair number of p2 and p3 respectively are arranged on the outer stator groove,and a winding with a phase number of (p2+p3) is arranged on the outer rotor groove. The utilization rate of the motor is increased, the rotating speed of a air-gap magnetic field is increased, the power density of the motor is improved, and the performance of the motor is improved.

Description

technical field [0001] The invention relates to the technical field of parallel connection of power supplies, in particular to a permanent-magnet double-rotor vernier motor. Background technique [0002] In recent decades, permanent magnet motors have developed rapidly due to many advantages such as compact structure, high power density and high efficiency. In low-speed and high-torque applications, the direct drive of permanent magnet motor can eliminate the gearbox, eliminate the noise and failure caused by gear transmission, and improve the efficiency and reliability of the system. However, if the traditional permanent magnet synchronous motor is used to achieve the purpose of low speed and high torque, the number of slots, windings and permanent magnet poles will be large, resulting in a relatively large motor size and unsatisfactory indicators such as torque density. In order to achieve low speed and high torque, a variety of composite motors based on the combination o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K16/02H02K1/27H02K1/16H02K3/28H02K21/04H02K51/00
CPCH02K16/02
Inventor 任泰安阚超豪李伟
Owner HEFEI UNIV OF TECH
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