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Magnetic Levitation System Based on High Temperature Superconducting Thin Film and Its Coated Conductor

A technology of high-temperature superconducting thin films and coated conductors, applied in the direction of magnetic attraction or thrust holding devices, electrical components, etc., can solve the problems of difficult control of crystal orientation, use of many raw materials, and low yield, and reach the design area Large, significant, high-display effects

Inactive Publication Date: 2018-10-23
SHANGHAI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the preparation of the textured block is difficult, the raw materials used are many and expensive, the yield is low, and the c-axis texture is obtained by directional growth, but the crystal orientation in the ab plane is difficult to control, and the in-plane orientation is not good, so it is difficult to achieve very Good magnetic levitation effect, and the bulk superconducting material itself has high quality requirements, which affects the levitation efficiency

Method used

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  • Magnetic Levitation System Based on High Temperature Superconducting Thin Film and Its Coated Conductor
  • Magnetic Levitation System Based on High Temperature Superconducting Thin Film and Its Coated Conductor
  • Magnetic Levitation System Based on High Temperature Superconducting Thin Film and Its Coated Conductor

Examples

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Embodiment 1

[0025] In this example, see Figure 1~3 , a magnetic levitation system based on a high-temperature superconducting thin film and its coated conductor, comprising a suspension 1, a cryogenic container 2 and a permanent magnet block 3, the suspension 1 is arranged above the permanent magnet block 3, and the main body of the suspension 1 The structure is composed of high-temperature superconducting films or second-generation high-temperature superconducting strips grown by single crystal epitaxy in a layered and alternately superimposed combination. The suspension 1 is fixed inside the cryogenic container 2 and integrated with the cryogenic container 2. In the cryogenic container 2 , the temperature condition that the suspension 1 is in a superconducting state is maintained, so that the suspension 1 is in a suspended state relative to the permanent magnet block 3 in the superconducting state. In this embodiment, a plurality of epitaxial superconducting thin films or second-genera...

Embodiment 2

[0027] This embodiment is basically the same as Embodiment 1, especially in that:

[0028] In this example, see Figure 4 , a magnetic levitation system based on a high-temperature superconducting thin film and its coated conductor, the main structure of the suspension 1 is composed of four layers of high-temperature superconducting material staggered lamination. Figure 4 As a top view, highly textured and oriented high-temperature superconducting thin films or coated conductors are alternately stacked in layers, and a large-area, high-display levitation effect can be achieved on the permanent magnet.

Embodiment 3

[0030] This embodiment is basically the same as the previous embodiment, and the special features are:

[0031] In this example, see Figure 5 , a magnetic levitation system based on a high-temperature superconducting thin film and its coated conductor. The suspension 1 is placed under the permanent magnet block 3, so that the suspension 1 is smoothly suspended on the permanent magnet block while receiving a lift force. The bottom of material 3.

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Abstract

The invention discloses a magnetic suspension system based on high temperature superconducting thin films and coating conductors thereof, the system comprises a suspended body, a low-temperature container and a permanent magnet bulk, the main body structure of the suspended body is formed by high temperature superconducting thin films or high temperature superconducting tapes in a layered alternatively overlapping combination way, the suspended body is fixed to the interior of the low-temperature container and is integrated with the low-temperature container as one, in the low-temperature container, a temperature condition of the suspended body in a superconducting state is maintained, so that the suspended body is in a suspension state relative to the permanent magnet bulk in the superconducting state. According to the invention, the system utilizes high-level biaxial texture characteristics of the epitaxially-grown high temperature superconducting thin film and the coating conductor thereof in crystal orientation, the good magnetic flow resistance performance of a superconductor is realized, suspension effects including large area and high displaying degree can be realized in a permanent magnet, so that the system of the invention has advantages of low weight, large design area, simple materials, low cost, significant effects and the like.

Description

technical field [0001] The invention relates to an electromagnetic power device, in particular to a magnetic levitation device, which is applied to the technical field of special devices and systems for maintaining the balance state of frictionless and contactless suspension. Background technique [0002] Superconducting magnetic levitation is divided into two categories in principle. One is to use the magnetic field generated by superconducting coils to repel each other with the magnetic force of other coils to achieve magnetic levitation. The other is to use the Meissner effect of the superconductor itself, that is, the external magnetic field Anti-magnetic flux phenomenon, so as to achieve the magnetic levitation effect, the magnetic levitation technology makes the object in a non-friction, non-contact suspension equilibrium state, it integrates electromagnetics, electronic technology, control engineering, signal processing, mechanics, dynamics as one of the typical Mecha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02N15/04
CPCH02N15/04
Inventor 白传易蔡传兵张义邴陆齐马洪良
Owner SHANGHAI UNIV
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