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Simplified calculation method of radial high-temperature superconducting magnetic-suspension bearing

A magnetic suspension bearing, high temperature superconducting technology, applied in the direction of bearings, shafts and bearings, mechanical equipment, etc., can solve the problems of difficult operation, few design schemes, and complexity, and achieve the effect of ensuring accuracy

Active Publication Date: 2015-07-22
GRIMAT ENG INST CO LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] At present, the high-temperature superconducting magnetic suspension bearing is still in the development stage, and the design schemes given according to the specific overall parameters are less or more complicated, and it is not easy to operate

Method used

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  • Simplified calculation method of radial high-temperature superconducting magnetic-suspension bearing
  • Simplified calculation method of radial high-temperature superconducting magnetic-suspension bearing
  • Simplified calculation method of radial high-temperature superconducting magnetic-suspension bearing

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Embodiment 1

[0020] figure 1 It is a sectional view of a conventional radial high temperature super magnetic suspension bearing. Including the permanent magnet rotor 11 and the high temperature superconducting stator 12, Gap is the levitation gap between the permanent magnet rotor and the high temperature superconducting stator, and Z is the axial displacement required from cooling to stable levitation. The magnetic pole direction of the permanent magnet (N pole or S pole) is the radial direction of the radial high temperature super magnetic suspension bearing. The c-axis direction of the high temperature superconducting block is the radial direction of the radial high temperature super magnetic suspension bearing. The arrangement on the rotor of the ultra-magnetic levitation bearing is a consistent arrangement of magnetic poles. The total axial length of the permanent magnet rotor is L 1 , the outer diameter of the permanent magnet rotor is D 1 . The total axial length of the supercon...

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Abstract

The invention relates to a simplified calculation method of a radial high-temperature superconducting magnetic-suspension bearing. The method comprises the steps that: A, permanent magnet rotor and a high-temperature superconductor stator of the radial high-temperature superconducting magnetic-suspension bearing are considered as two concentric cylinders, wherein a gap between the two cylinders is a suspension air gap of the bearing; B, the permanent magnet rotor cylinder is expanded into a rotor rectangle, and the high-temperature superconductor stator is expanded into a stator rectangle; C, with a reference of the sizes of the rectangles, permanent magnets and high-temperature superconductors are subjected to optimized arrangement, such that permanent magnet number and single-block size are obtained, and high-temperature superconductor number and single-block size are obtained; D, a suspension system composed of single permanent magnet and single high-temperature superconductor is subjected to calculation simulation, such that suspension force and internal force are obtained; and E, suspension force and internal force between single permanent magnet and single high-temperature superconductor are respectively multiplied by the block numbers, such that the axial suspension force of the entire bearing rotor is obtained.

Description

technical field [0001] The invention relates to the technical field of radial high-temperature superconducting magnetic suspension bearing design, in particular to a calculation method for radial high-temperature superconducting magnetic suspension bearings. Background technique [0002] Due to the strong pinning effect of high-temperature superconductors, the superconducting levitation system has self-stability, that is, under certain conditions, a satisfactory stable levitation can be achieved without complex stability control components, so superconducting levitation has become the most attractive levitation technology. One, the high-temperature superconducting magnetic suspension bearing has the characteristics of no contact friction and no complicated active control, which makes it have broad application prospects in superconducting electrical fields such as flywheel energy storage. The high temperature superconducting magnetic suspension bearing is mainly composed of a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C32/04
Inventor 杨勇王磊华志强李弢焦玉磊郑明辉
Owner GRIMAT ENG INST CO LTD
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