Coil winding framework for improving critical current of superconducting coil and winding method of coil winding framework

Abstract

The invention provides a coil winding framework for improving the critical current of a superconducting coil and a winding method of the coil winding framework, wherein the framework comprises cover plates (1) and at least three winding frameworks; the superconducting coil is formed by winding a superconducting strip on the coil winding frameworks for improving the critical current of the superconducting coil; the cover plates (1) and the winding frameworks are detachably and sequentially arranged at intervals through a set mounting structure, namely, one cover plate (1) is detachably arrangedon the two sides of each winding framework; and the superconducting strip is wound on the winding frameworks to form the superconducting coil with a set shape structure. According to the coil windingframework, the vertical component of the magnetic field facing the strip can be effectively reduced, so that the critical current of the superconducting coil is improved, and a larger working currentvalue is provided for the superconducting coil; the usage amount of the superconducting strip can be reduced under the requirement that certain working current needs to be guaranteed, and the cost ofthe superconducting coil is lowered; and meanwhile, the overall magnetic field distribution generated by the superconducting coil cannot be influenced, and extra limitation is not caused to actual application of the superconducting coil.

Description

technical field [0001] The invention relates to superconducting technology, in particular to a coil winding framework for improving the critical current of a superconducting coil and a winding method thereof. Background technique [0002] High-temperature superconducting coils are a major application aspect of second-generation high-temperature superconducting strips. The principle is to manufacture a coil with superconducting properties by using the second-generation high-temperature superconducting strip with a flat strip structure by winding. In the practical application of superconducting coils, such as electric power and nuclear magnetic resonance equipment, the overall structure of the coil is generally a solenoid. Because the superconductor in the superconducting coil has a higher operating current density than the traditional copper conductor coil, it can generate a stronger magnetic field and has a much smaller loss than the copper conductor coil. As an important ...

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Problems solved by technology

[0011] The use of superconducting conductors of different batches and parameters in this literature may cause unstable operation of the coil, and there will be magnetic field interaction between different superconducting conductors, which will make the number of coil turns in the middle part of the helical structure more affected, thus affecting to the overall effect of the method

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