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A long-stroke magnetic levitation planar motor with a superconducting magnetic levitation structure

A plane motor and magnetic levitation technology, which is applied to the holding devices, electrical components, and electromechanical devices using magnetic attraction or thrust. It can solve the problems of low bearing capacity, coupling of suspension force and driving force, etc. Current density and the effect of improving control accuracy

Active Publication Date: 2017-05-24
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of the coupling of levitation force and driving force and low bearing capacity in traditional long-stroke maglev planar motors, the present invention proposes a long-stroke maglev planar motor with a superconducting magnetic levitation structure

Method used

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  • A long-stroke magnetic levitation planar motor with a superconducting magnetic levitation structure
  • A long-stroke magnetic levitation planar motor with a superconducting magnetic levitation structure
  • A long-stroke magnetic levitation planar motor with a superconducting magnetic levitation structure

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specific Embodiment approach 1

[0024] Specific implementation mode one: combine figure 1 and figure 2 This embodiment will be described. The long-stroke maglev planar motor with a superconducting maglev structure described in this embodiment includes a stator 10 and a mover 20. The stator 10 is composed of a base 11 and a two-dimensional permanent magnet array 12 installed on the top of the base 11. The mover 20 is composed of a platform 21 , and a normal conducting coil group 22 and a superconducting coil group 23 located at the bottom of the platform 21 . There is a maglev air gap between the stator 10 and the mover 20 .

specific Embodiment approach 2

[0025] Specific implementation mode two: combination Figure 4 This embodiment will be described. Figure 4 It is a three-dimensional view of the two-dimensional permanent magnet array 12 of the present invention, the two-dimensional permanent magnet array 12 is installed on the top of the base 11, and is formed by two kinds of polarity permanent magnets arranged alternately, the two-dimensional permanent magnet The magnetization direction of the array 12 is perpendicular to the permanent magnet surface. The permanent magnets that make up the two-dimensional permanent magnet array 12 need to satisfy: the distance between two adjacent permanent magnets of the same polarity in the X-axis / Y-axis direction is τ, and the distance between two adjacent permanent magnets of different polarities The distance in the X-axis / Y-axis direction is τ / 2.

specific Embodiment approach 3

[0026] Specific implementation mode three: combination image 3 and Figure 4 This embodiment will be described. image 3 It is a structural schematic diagram of the mover 20 of the long-stroke magnetic levitation planar motor with superconducting magnetic levitation structure according to the present invention. Such as figure 2 and image 3 As shown, the mover 20 is composed of a platform 21, four sets of normal conduction coils 22 and eight sets of superconducting coils 23 located at the bottom of the platform 21, wherein the four sets of constant conduction coils 22 are arranged at the bottom of the platform 21 Each set of constant conduction coils 22 includes three coreless constant conduction coils, each of which is a phase winding, and the two sets of constant conduction coils located on the two adjacent sides of the bottom of the mover platform 21 are perpendicular to each other , the two sets of constant conduction coils are respectively the first constant conduct...

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Abstract

The invention discloses a long-stroke magnetic levitation planar motor with a superconductivity magnetic levitation structure. Specific characteristics of superconductive materials are utilized to solve the problems that the bearing capacity of an existing magnetic levitation planar motor is low, the suspension force and the driving force of the existing magnetic levitation planar motor are cross-coupled and the like. The motor is composed of a stator and a rotor, the stator comprises a base station and a two-dimensional permanent magnet array, the rotor comprises a platform, a normally-conductive coil set and a superconductive coil set. The suspension force of the planar motor is provided by eight sets of superconductive coil sets arranged on the bottom of the a rotor platform, each corner is provided with two sets of superconductive coil sets, four corners are provided with four sets of periphery superconductive coil sets and four sets of interclass superconductive coil sets, each superconductive coil set is composed of four independent iron-core-free superconductive coils, and the driving force of the planar motor is provided by the normally-conductive coil sets arranged at four sides of the bottom of the rotor platform. Compared with a traditional magnetic levitation long-stroke planar motor, the long-stroke magnetic levitation planar motor with the superconductivity magnetic structure is high in bearing capacity and simple to control, and the suspension force and the driving force are completely decoupled.

Description

technical field [0001] The invention relates to the field of motors, in particular to a long-stroke magnetic levitation planar motor with a superconducting magnetic levitation structure. Background technique [0002] With the continuous development of high temperature superconducting materials (HTS), especially the high current density of high temperature superconducting coils, high temperature superconducting coils can provide high bearing capacity in a stable magnetic field, and the research work on the application of high temperature superconducting magnetic levitation has unprecedented development prospect. [0003] The long-stroke maglev planar motor has the advantages of no mechanical support structure and long-stroke two-dimensional movement, and is mainly used in the fields of manufacturing equipment and robots. At present, the working mode of the long-stroke maglev planar motor is mainly based on the armature winding providing both the driving force and the levitat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K55/02H02N15/00
Inventor 李立毅王明义曹继伟刘家曦张成明
Owner HARBIN INST OF TECH