Superconducting magnet generating rotating magnetic field

A technology of superconducting magnets and rotating magnetic fields, which is applied in the manufacture of superconducting magnets/coils, magnetic objects, inductors/transformers/magnets, etc., can solve the problems of complex structure of rotating superconducting magnets, achieve simple and compact structure, and improve utilization efficiency. , the effect of reducing the distance

Active Publication Date: 2012-02-29
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings of the complex structure of the existing rotating superconducting magnets, and propose a new superconducting magnet that can provide a rotating magnetic field at any speed

Method used

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  • Superconducting magnet generating rotating magnetic field
  • Superconducting magnet generating rotating magnetic field
  • Superconducting magnet generating rotating magnetic field

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] Such as figure 1 As shown, the first solution of the present invention is a structure suitable for superconducting magnets that generate lower magnetic fields. The pair 1 of the Helmholtz coils in the x-axis direction provides the magnetic field in the x direction through series power supply, and the pair 2 of the Helmholtz coils in the y-axis direction provide the y direction through series power supply. The magnetic field in the z-axis direction is provided by 3 pairs of Helmholtz coils connected in series to provide a magnetic field in the z-direction. The three pairs of Helmholtz coils 1, 2 and 3 can all be made of ultra-fine niobium-titanium low-temperature superconducting wires. The current passing through the three pairs of Helmholtz coils is I x , I y and I z , the three pairs of coils are powered by independent power supplie...

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Abstract

The invention provides a superconducting magnet structure with high magnetic field, large homogeneity range and rotating magnetic field. In the structure, a superconductive main coil (4) in the z-axis direction supplies a strong background magnetic field, and a Helmholtz coil pair (3) in the z-axis direction supplies a magnetic field of z-axis direction changes; a racetrack-shaped superconductive coil pair (5) supplies the magnetic field of the x direction; and a racetrack-shaped superconductive coil pair (6) in the y direction supplies the magnetic field of y direction changes. The current amplitude and the current direction of the coils in the directions of x, y and z can be controlled through a computer so that the required rotating magnetic field is obtained in the center of the superconducting magnet. The superconducting magnet system is used in occasions for studying physical characteristics, such as materials, magnetic-optic effect and the like under the combined action of a multiphysics field and under an extreme condition.

Description

technical field [0001] The invention relates to a superconducting magnet, in particular to a high magnetic field superconducting magnet generating a rotating magnetic field. Background technique [0002] Rotating magnetic fields have important applications in the growth of materials and the determination of physical properties. At present, high magnetic field superconducting magnets provide specific background magnetic fields for the growth of special crystal materials, magneto-optic effects, changes in the physical properties of metal materials, growth of gradient materials, and changes in related physical properties of materials. Molecules and atoms of matter transmitted in contact. And change the rotation range and the size of the space range of the magnetic field according to the different sample sizes. In addition, rotating a magnetic field in a specific direction is also an important instrument for studying the properties of quantum devices. At present, the supercon...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F6/00H01F41/02
CPCH01F6/00
Inventor 王秋良胡新宁戴银明
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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