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Support skeleton for adjusting inter-turn resistance of uninsulated superconducting magnet and using method

A technology of superconducting magnets and supporting skeletons, applied in superconducting magnets/coils, magnetic objects, circuits, etc., can solve problems such as damaged strips and inter-turn resistance that cannot be adjusted, and achieve the effect of simple adjustment methods

Active Publication Date: 2019-06-28
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is how to avoid the disadvantages of impregnating the turn-to-turn resistance caused by the impregnation method, which cannot be adjusted and damaged by one-time forming, and at the same time, the superconductor can be reused. Strip material, and the adjustment method is simple and intuitive. Adjust the support frame and use method of the inter-turn resistance of non-insulated superconducting magnets

Method used

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  • Support skeleton for adjusting inter-turn resistance of uninsulated superconducting magnet and using method
  • Support skeleton for adjusting inter-turn resistance of uninsulated superconducting magnet and using method
  • Support skeleton for adjusting inter-turn resistance of uninsulated superconducting magnet and using method

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Embodiment 1

[0038] figure 1 Shown is a schematic diagram of a support skeleton for adjusting the interturn resistance of an uninsulated superconducting magnet for a double pie coil according to a preferred embodiment of the present invention, figure 2 , image 3 , Figure 4 with Figure 5 respectively figure 1 Schematic diagram of the coil bobbins, splints, cover plates, and lanes supporting the bobbin shown.

[0039] In this embodiment, the supporting frame for adjusting the turn-to-turn resistance of a non-insulated superconducting magnet includes a coil frame 1, a splint 2, an adjustment device 3, a cover plate 4, and a lane divider 5; the coil frame 1 is a non-insulated superconducting tape The material wound magnet provides a winding support, and the coil bobbin 1 is a geometrically symmetrical cylinder that runs through the hollow in the axial direction. The shape of the inner side of the cross section of the cylinder is a rounded rectangle, and the shape of the outer side is a...

Embodiment 2

[0049] In this embodiment, the support frame further includes a fixing device.

[0050] Since magnets are generally used in motors, the electromagnetic force of the stator and rotor will interact during operation; and the motor itself may also be directly used in motion scenarios. This is the unavoidable stress on the magnet or supporting frame during operation. In order to prevent the supporting frame or the magnet from being vibrated during operation, causing displacement, quenching or increased flux leakage, etc., preferably, after the assembly of each part of the supporting frame is completed, the fixing device is used to tighten each supporting frame. Solid, such as the connection between the fixed part of the splint 2 and the axial upper and lower surfaces of the coil bobbin 1, and the connection between the cover plate 4 and the axial upper and lower surfaces of the coil bobbin 1.

[0051] Considering the simplicity of the fastening operation and the reliability requir...

Embodiment 3

[0058] Through specific experiments, this embodiment describes in detail the method for using the support skeleton for adjusting the interturn resistance of non-insulated superconducting magnets involved in the present invention, which specifically includes the following steps:

[0059] Step 1, winding the non-insulated superconducting strip around the bobbin 1 to form a magnet;

[0060] Step 2, testing the charging delay of the magnet;

[0061] Step 3, if the charging delay of the magnet is too long, the inter-turn pressure of the coil is too large, use the adjusting device 3 to increase the relative position of the moving part of the splint 2, reduce the extrusion degree of the coil of the magnet, and test again; otherwise, use The adjusting device 3 reduces the relative position of the moving part of the splint 2, increases the extrusion degree of the coil of the magnet, and tests again;

[0062] Step 4: Repeat steps 2 and 3 until the charging delay of the magnet finally m...

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Abstract

The invention discloses a support skeleton for adjusting the inter-turn resistance of an uninsulated superconducting magnet and relates to the field of uninsulated superconducting magnet support skeleton. The support skeleton comprises a coil skeleton, a clamping and an adjusting device, and is characterized in that the coil skeleton is configured to provide a winding support for an uninsulated superconducting tape winding magnet; the clamping plate is in close contact with the magnet coil wound around the coil skeleton; the adjusting device changes the pressure between the magnet coils woundaround the coil skeleton by adjusting the relative position of the moving portion of the clamping plate so as to change the inter-turn resistance of the magnet. The invention also discloses a method of the support skeleton for adjusting the inter-turn resistance according to a charging delay requirement. The support skeleton avoids the problem that the inter-turn resistance is formed once and thesuperconducting strip cannot be reused in a traditional dipping method, and is simple and reliable in operation, visualized in operation process, and the inter-turn resistance can be adjusted according to actual needs.

Description

technical field [0001] The invention relates to the field of a non-insulated superconducting magnet support frame, in particular to a support frame for adjusting interturn resistance of a non-insulated superconducting magnet and a use method thereof. Background technique [0002] The phenomenon of superconductivity was discovered in 1911, and due to its excellent properties such as zero resistance and Meissner effect, it quickly attracted the attention of researchers all over the world. At present, superconducting materials have achieved industrial mass production, and the produced superconducting strips can be wound into superconducting magnets, which can generate strong magnetic fields that cannot be achieved by traditional permanent magnets or electromagnets. Superconducting magnets not only have the advantage of a strong magnetic field, but also ensure the characteristics of compact and lightweight magnets. [0003] Traditional superconducting magnets are insulated magn...

Claims

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Application Information

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IPC IPC(8): H01F6/06H01F6/00
Inventor 董方亮黄振
Owner SHANGHAI JIAO TONG UNIV
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