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Superconductive magnetic suspension supporting arrangement

A support device and magnetic levitation technology, applied in the directions of bearings, shafts and bearings, mechanical equipment, etc., can solve the problems of inconvenient system assembly, complex spherical coil assembly and positioning, difficult modular design, etc., to simplify system control and mechanical structure, The effect of simplifying the fault repair process and improving reliability

Active Publication Date: 2015-05-20
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the complex structure of the superconducting magnetic levitation support device system, the low-temperature superconducting joint needs to be fabricated on site, which brings inconvenience to the assembly of the system, affects the quality of the superconducting joint, and reduces the reliability of the system
In addition, if there is a technical failure in the support link, it will take a lot of time and effort to check and repair, which also reduces the application effect of the superconducting magnetic levitation support system
The superconducting magnetic levitation device of the Chinese patent ZL01226956.5 uses spherical coils composed of multiple sets of superconducting coils to suspend the superconducting rotor. The assembly and positioning of the spherical coils are complicated, and it is difficult to carry out modular design, and it does not adopt a closed-loop operation mode and cannot be separated. The operation of superconducting power supply affects the application effect

Method used

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Embodiment Construction

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

[0019] Such as figure 1 As shown, the mechanical part of the device of the present invention includes a refrigerator 1, a cryogenic container 4, a cold shield 5, a liquid helium container 6, a mounting cover 7, a rotor cavity 8, a superconducting rotor 9 and a support module 10. The refrigerator 1 is installed at the upper end of the low-temperature container 4, and the primary cold head 2 of the refrigerator 1 is located inside the low-temperature container 4. The cold shield 5 is in the shape of a reel, placed inside the cryogenic container 4, and fixed to the lower part of the upper end cover of the cryogenic container 4 by a tie rod with high strength and low thermal conductivity. At the same time, the upper end of the cold shield 5 is in line with the primary cooling of the refrigerator 1. The lower end faces of the head 2 are fastened together by bolts. ...

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Abstract

The invention provides a superconductive magnetic suspension supporting arrangement, and six support modules (10) are symmetrically distributed on a reference axis of orthogonal coordinate system whose original point is the center of a rotor chamber (8). A heating power supply (18) is powered on, and a superconductive switch (16) is disconnected, and a superconductive power supply (19) is used for excitation of a superconducting coil (11). A magnetic field generated by the superconducting coil (11) enters from a middle aperture of the superconducting coil (11) to a middle aperture of the superconductive shaping block (12), and then returns from a gap from the superconductive shaping block (12) and the superconducting ring (13) as well as the lower part of the superconducting coil (11) to the middle aperture of the superconducting coil (11) for forming a closed magnetic circuit. The superconductive rotor (9) is suspended by a magnetic repulsion generated by the superconducting coil (11). After excitation of the superconducting coil (11), the heating power supply (18) is closed and the superconductive switch (16) is connected, and then the superconductive power supply (19) is disconnected, and the current of the superconducting coil (11) can provide a stable suspension magnetic field for the superconductive rotor (9).

Description

Technical field [0001] The invention relates to a superconducting magnetic suspension supporting device. Background technique [0002] With the development of low-temperature technology and the discovery of new superconducting materials, superconducting technology has been widely used. Superconducting instruments based on various characteristics of superconductors play an important role in the economic field, national defense construction and scientific exploration. The superconducting magnetic suspension bearing system is a frictionless suspension bearing developed based on the Meissner effect of the cryogenic superconductor. It has a wide range of applications in the fields of inertial navigation and precision instruments. The superconducting magnetic levitation support system works in a low temperature environment, the chemical activity of the material and the expansion coefficient are very low, and the superconductor's completely diamagnetic and non-resistance characteristic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C32/04
Inventor 刘建华王秋良胡新宁崔春艳王晖李献
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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