Superconducting magnetic levitation system performance testing device based on refrigerating machine

Abstract

The invention discloses a superconducting magnetic levitation system performance testing device based on a refrigerating machine. The device comprises a base, a rack, a main three-axis moving platform, an auxiliary three-axis moving platform and a refrigerating system. A Z-axis platform of the main three-axis moving platform is connected with a Z-axis cantilever driven by the Z-axis platform, and a three-dimensional force sensor and a magnetic field source are fixed to the free end of the Z-axis cantilever. A Hall sensor is fixed to the free end of a Y-axis cantilever of the auxiliary three-axis moving platform. A Hall sensor is fixed to the free end of the Y-axis cantilever. The refrigerating system is arranged below the magnetic field source and comprises a vacuum chamber, a superconductor and a refrigerating machine, the superconductor is arranged in the vacuum chamber, and the refrigerating machine is arranged below the vacuum chamber and used for refrigerating the superconductor. According to the invention, the superconductor is refrigerated through the refrigerating system, the three-axis moving platform is adopted to control the spatial positions among the magnetic field source, the sensor and the superconductor, and the magnetic and mechanical properties of the system at different temperatures are measured.

Description

technical field [0001] The invention belongs to the application field of superconducting maglev technology and superconducting maglev system performance testing device, and in particular relates to a superconducting maglev system performance testing device based on a refrigerator. Background technique [0002] With the advancement and development of science and technology, superconductors are playing an increasingly important role in scientific research and daily life, and have broad application prospects in fields such as magnetic suspension bearings, flywheel energy storage, superconducting cables, rail transit, and high-field experiments. . Among them, the research on the electromagnetic and mechanical characteristics of superconductors is the key factor affecting the development and application of maglev technology. Therefore, only by clarifying the electromagnetic field distribution and evolution law, mechanical characteristics and their correlation of superconducting s...

AI Technical Summary

Problems solved by technology

The existing testing methods for the basic characteristics of superconductors mostly focus on the macroscopic mechanical research of suspension force and guiding force, and the understanding of some local microscopic phenomena of superconductors is not sufficient. Future research on the electromagnetic and mechanical characteristics of superconductors at lower temperatures

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