Superconducting strip testing device
A technology of superconducting tape and testing device, which is applied in the direction of measuring device, superconducting performance measurement, measuring magnetic variable, etc. test, etc.
Active Publication Date: 2019-03-26
FUTONG GROUP CO LTD +1
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Problems solved by technology
[0005] Existing technologies, such as invention patent 201510316163.5, provide a high-temperature superconducting strip mechanical performance testing device and its detection method, and propose a test stand for testing the bending radius and tensile stress of superconducting strips, but cannot test superconducting strips The change of the critical current of the material in the torsion state
In utility model 200420009983.7, a high-temperature superconducting strip test stand is proposed, but the test stand cannot realize the test of the critical current of the superconducting strip in the torsion state
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[0020] Hereinafter, embodiments of the superconducting tape testing device according to the present invention will be described with reference to the drawings. Those of ordinary skill in the art can realize that the described embodiments can be modified in various different ways or combinations thereof without departing from the spirit and scope of the present invention. Therefore, the drawings and description are illustrative in nature, and are not used to limit the protection scope of the claims. In addition, in this specification, the drawings are not drawn to scale, and the same reference numerals denote the same parts.
[0021] The invention discloses a superconducting strip testing device, such as figure 1 As shown, it includes a test stand 10 and a dewar 20 arranged in a box 30. The test stand 10 is fixed on the upper part of the box 30 for fixing, stretching, and twisting the superconducting tape, and the dewar 20 is located Below the test bench 10, it can move up and do...
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The invention provides a superconducting tape testing device which comprises a testing station and a Duwa container wherein the testing station further includes a base; a stretching part consisting of several first screw rods that stand vertically on the base and a sliding plate cooperating with the first screw rods; a fixing part consisting of a lower clamping body arranged on the base and an upper clamping body arranged in a rotation manner on the sliding plate; and a twisting part consisting of several rotation plates arranged on the upper clamping body through several vertical rods. The rotation plates can drive the upper clamping body to rotate. The Duwa container is filled with liquid nitrogen which cools the superconducting tape to a superconducting state. The superconducting tape testing device of the present invention integrates the functions of tape fixing, stretching and twisting and is capable of performing critical current testing under stretching and twisting combined stresses, and the stretching and twisting combined stresses can be easily adjusted. Therefore, the testing device has high testing efficiency.
Description
Technical field [0001] The invention relates to the technical field of superconducting cables, in particular to a superconducting strip testing device. Background technique [0002] With the development of superconducting technology, superconducting materials have been gradually applied to electric power, medicine and other fields. There have been many superconducting cables running on the net at home and abroad, and MRI (magnetic resonance imaging) made of superconducting magnets with high resolution has been used for physical examination. It can be said that superconducting tape is the most important application form of superconducting materials. [0003] In the process of using superconducting tape, it is inevitable to be subjected to tensile and torsion forces. For example, in the manufacture of superconducting cables, the superconducting tape is regularly twisted on the support at a certain angle and pitch. The effect of axial tension and twisting force. [0004] Superconduct...
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IPC IPC(8): G01R33/12G01R33/00
CPCG01R33/007G01R33/1246
Inventor 王醒东叶新羽张恩林中山
Owner FUTONG GROUP CO LTD