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Axial magnetic field rotor iron-core-free stator segmented modular single-phase motor

A technology of magnetic field rotor and iron core stator, applied in synchronous motors with stationary armatures and rotating magnets, magnetic circuit rotating parts, magnetic circuits, etc., can solve the problems of low efficiency, low fault tolerance, low power density, etc. Achieve the effect of reducing cost, reducing core loss and reducing motor volume

Active Publication Date: 2019-04-12
LIYANG RES INST OF SOUTHEAST UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Purpose of the invention: In view of the above problems, the present invention proposes an axial magnetic field rotor coreless stator segmented modular single-phase motor to solve the problems of low power density, low efficiency and low fault tolerance of traditional single-phase generators

Method used

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  • Axial magnetic field rotor iron-core-free stator segmented modular single-phase motor
  • Axial magnetic field rotor iron-core-free stator segmented modular single-phase motor
  • Axial magnetic field rotor iron-core-free stator segmented modular single-phase motor

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Embodiment Construction

[0017] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] The present invention takes an axial magnetic field rotor coreless stator segmented modular single-phase generator as an example, as Figure 1-3 As shown, the coreless rotor structure is applied to the double-stator intermediate rotor axial magnetic field single-phase generator structure, and the stator core is modularized. The motor includes segmented stator 1, rotor 2 and concentrated winding 3. Stator 1 is located in rotor 1 On both sides, and the spacing is equal, the stator and the rotor disk are connected coaxially.

[0019] The stator 1 includes two stator disks, and the stator disk includes m "T" shaped stator core modules 1-1, m triangular prism-shaped stator core modules 1-2 and stator disk supports 1-3, and m "T" shaped stator core modules 1-3 along the circumferential direction ”-shaped stator core modules ...

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Abstract

The invention discloses an axial magnetic field rotor iron-core-free stator segmented modular single-phase motor, which comprises a segmented stator, a rotor and a concentrated winding. The stator comprises two stator disks, wherein the stator disk comprises m T-shaped stator core modules, m triangular prism-shaped stator core modules and a stator disk support. The rotor is located between two stator disks and comprises a permanent magnet and a rotor support, wherein the permanent magnet is directly fixed on the rotor support. The concentrated winding is directly wound on a central pillar of the stator module and is poured and fixed by epoxy resin. As the stator core is divide into 2m stator core modules and the rotor has an iron-free structure, the technical requirement are reduced, the cost is reduced, the fault tolerance is improved, the rotational inertia of the rotor is reduced, and the output power quality is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of permanent magnet motor design, in particular to an axial magnetic field rotor coreless stator segmented modular single-phase motor. Background technique [0002] An axial field motor is a motor with a flat air gap and an axial direction of air gap flux, also known as a "disk" motor. Axial field permanent magnet motors have attracted widespread attention due to their high power density, high torque density, and short axial length, and have been used in electric vehicle drives, wind power generation, and flywheel energy storage. Common axial field permanent magnet motor topologies are divided into single-rotor single-stator structure, double-rotor intermediate-stator structure, double-stator intermediate-rotor structure and multi-disk structure. [0003] The stator or rotor of the motor is removed from the conductive core medium with magnetic saturation characteristics to make an ironless motor, which can ...

Claims

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Application Information

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IPC IPC(8): H02K21/24H02K1/12H02K1/27H02K3/46
CPCH02K1/12H02K1/2793H02K3/46H02K21/24H02K2213/03
Inventor 林明耀贾伦乐伟
Owner LIYANG RES INST OF SOUTHEAST UNIV
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