Electro-excitation flux reversing motor

A magnetic flux reversal, electric excitation technology, applied in the magnetic circuit static parts, magnetic circuit rotating parts, magnetic circuit shape/style/structure and other directions, can solve the problems of difficult magnetic field adjustment, permanent magnet demagnetization, etc. Compact structure, large torque output and good robustness

Inactive Publication Date: 2012-07-11
SHANGHAI DIANJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing flux reversing motors are mainly permanent magnets, the magnetic field is difficult to adjust, and there are risks such as demagnetization of the permanent magnets. Therefore, it is an urgent need to propose a reasonable electric excitation flux reversing motor

Method used

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  • Electro-excitation flux reversing motor
  • Electro-excitation flux reversing motor
  • Electro-excitation flux reversing motor

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Embodiment Construction

[0026] Below in conjunction with the accompanying drawings, taking a 6 / 4-pole motor as an example, the specific implementation of the electric excitation flux reversal motor of the present invention will be further described.

[0027] Such as figure 1 As shown, the electric excitation flux reversal motor of the present invention includes a stator core 1 and a rotor core 4, the rotor is located inside the stator (the rotor can also be located outside the stator to form an outer rotor structure), and both the stator and the rotor are salient poles structure, wherein the stator core 1 is composed of a magnetic conductor core, the stator has 6 teeth, and a small accommodation slot 5 is opened on each stator tooth to accommodate the single-phase double-layer excitation winding 2, and the stator core 1 is set There are three-phase concentrated armature windings 3 .

[0028] The coils of the three-phase concentrated armature winding 3 are straddled on the stator teeth. There are a t...

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Abstract

The invention discloses an electro-excitation flux reversing motor, which comprises a stator and a rotor, wherein the stator and the rotor have salient pole structures; the stator is provided with stator teeth; concentrated armature windings are coiled on the stator teeth; an accommodating slot is formed on the top of each stator tooth, which faces an air gap; the concentrated armature windings are arranged in the accommodating slots; a permanent magnet and a winding are not arranged on the rotor. According to the electro-excitation flux reversing motor, a magnetic field is easy to adjust; the electro-excitation flux reversing motor has a compact structure, large torque and high power density.

Description

technical field [0001] The invention relates to a motor, in particular to an electric excitation flux reversal motor. Background technique [0002] The flux reversal motor is a brushless double salient permanent magnet motor. The stator of the flux reversing motor is similar to that of the switched reluctance motor. Each stator salient pole is wound with a stator concentrated winding of one phase. The difference is that the flux reversing motor is pasted with a Two NdFeB rare earth permanent magnets with opposite magnetization directions, the junction of the two NdFeB permanent magnets is the position of the salient pole axis of the stator. The structure of the rotor of the flux reversal motor is basically the same as that of the switched reluctance motor. With the rotation of the flux reversal motor, the permanent magnet flux linked by the concentrated winding of the stator of each phase will change the polarity and the amplitude will change nearly linearly, and the induc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/16H02K3/28H02K1/22
Inventor 袁龙生赵朝会曹书豪张迪李键苏宝洁李华平王晓斌
Owner SHANGHAI DIANJI UNIV
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