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A Bilateral Primary Permanent Magnet Transverse Flux Linear Motor

A linear motor and transverse magnetic flux technology, applied in the direction of electromechanical devices, electrical components, electric components, etc., can solve problems such as lack of magnetic isolation capabilities, and achieve the effects of flexible design, high efficiency, and high space utilization

Active Publication Date: 2021-07-27
CHINA UNIV OF MINING & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing studies have shown that although the motor has a certain degree of fault tolerance, it does not have magnetic isolation between phases, so the fault tolerance of the motor needs to be further improved

Method used

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  • A Bilateral Primary Permanent Magnet Transverse Flux Linear Motor
  • A Bilateral Primary Permanent Magnet Transverse Flux Linear Motor
  • A Bilateral Primary Permanent Magnet Transverse Flux Linear Motor

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Embodiment Construction

[0038] The technical solutions and beneficial effects of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0039] Figure 1(a) is a schematic diagram of the overall structure of a three-phase primary unit magnetic pole double-sided primary permanent magnet transverse flux linear motor, including primary and secondary parts, and the primary part includes several primary units with the same structure , each primary unit is composed of primary magnetic components 1, armature windings 3 and permanent magnets 2, the primary units are symmetrically arranged on both sides of the secondary, and the secondary part is composed of secondary magnetic components 4 and 5 arranged in sequence; the primary The secondary magnetically permeable parts can be laminated with iron core silicon steel sheets, or molded from composite magnetically permeable materials, and the secondary magnetically permeable parts are staggered and arranged along th...

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Abstract

The invention discloses a bilateral primary permanent magnet transverse flux linear motor, which includes a primary mechanism and a secondary mechanism. The primary mechanism includes two sets of primary units with the same structure, and each primary unit includes n+1 U-shaped primary magnetic conductors. Components, n armature windings and n permanent magnets, n+1 primary magnetic conductive parts are arranged in a row in sequence, n permanent magnets connect adjacent teeth of adjacent primary magnetic conductive parts to form a magnetic pole, magnetic pole The armature winding is wound on top; two sets of primary units are arranged oppositely; the secondary mechanism includes several secondary magnetically conductive parts, and each secondary magnetically conductive part includes a yoke and 2n+2 teeth symmetrically arranged on both sides of the yoke The two groups of primary units are respectively located on both sides of the secondary magnetically permeable part. This kind of linear motor can realize the permanent magnet and winding on the primary side at the same time and each phase is isolated and decoupled, the electromagnetics are independent of each other, the torque density is high, the design is flexible, the control is convenient, and the secondary side structure is simple and reliable.

Description

technical field [0001] The invention belongs to the technical field of motor design, in particular to a double-sided primary permanent magnet transverse flux linear motor. Background technique [0002] When the linear motor drives the linear motion load, the conversion mechanism from the rotation to the linear motion of the rotary motor is omitted, so it has the advantages of simple overall structure, high position accuracy, fast response speed, and low noise. Improve the efficiency of the whole system. In recent years, with the application of linear drives more and more widely, linear motors have gradually become one of the hot spots of research and development, and have been widely used in military industry, aerospace, rail transportation, electromagnetic ejection and other fields. [0003] The motion direction of the transverse flux linear permanent magnet motor is perpendicular to the plane where the motor magnetic field path is located. The motor circuit and the motor ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K41/03
CPCH02K41/033
Inventor 付东山伍小杰徐衍亮李小强夏晨阳于东升廖志娟姜博
Owner CHINA UNIV OF MINING & TECH
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