Test device for high temperature superconduction current leading wire
A current lead, high temperature superconducting technology, applied in the direction of measuring devices, measuring electricity, measuring electrical variables, etc., to achieve the effect of reasonable structure, light weight and small size of the device
Inactive Publication Date: 2015-05-20
VACREE TECH
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Problems solved by technology
[0003] The purpose of this invention is to provide a kind of testing device for high temperature superconducting electric current lead, to solve the defective that prior art testing device exists
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[0015] Such as figure 1 , figure 2 shown. A test device for high temperature superconducting current leads, including a vacuum cover 3, the side wall of the vacuum cover 3 is provided with a suction port 4, the top of the vacuum cover 3 is provided with a flange 2 that forms a seal with the vacuum cover 3, and the flange 2 is provided with There is a lead core seat 5, and the room-temperature end electrodes 9 of a pair of high-temperature superconducting current leads 6 to be tested are fixed on the flange 2, and the high-temperature end 7 and the low-temperature end 8 of the two high-temperature superconducting current leads 6 are connected from the top of the vacuum cover 3 respectively. Extending into the vacuum cover 3, and the low-temperature ends 8 of the two high-temperature superconducting current leads 6 are short-circuited, and a refrigerator is also included. The refrigerator has a primary cold head 1 and a secondary cold head connected to the bottom of the primar...
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The invention discloses a test device for a high temperature superconduction current leading wire. The test device comprises a vacuum housing, an extract opening is arranged on the side wall of the vacuum housing, a flange is arranged at the top of the vacuum housing, a leading wire core print is arranged on the flange, a pair of room temperature end electrodes of the high temperature superconduction current leading wire is fixed on the flange, high temperature ends and low temperature ends are respectively extended into the vacuum housing, two lower temperature ends of the high temperature superconduction current leading wire are in a short connection, a primary cold head and a secondary cold head of a refrigerator are respectively extended into the vacuum housing, two high temperature ends of the high temperature superconduction current leading wire are respectively coupled with the primary cold head, and the low temperature ends in the short connection are coupled with the secondary cold head. The test device for the high temperature superconduction current leading wire has the advantages of being reasonable in structure, light, small in size, low in operating costs and convenient to operate and maintain.
Description
technical field [0001] The invention relates to the field of superconducting wire measuring devices, in particular to a testing device for high-temperature superconducting current leads. Background technique [0002] With the wide application of low-temperature superconducting technology in scientific research, military and other fields, high-temperature superconducting current leads are widely used in low-temperature superconducting magnets, superconducting thermostats and other devices. The cold loss and current-carrying capacity of the high-temperature superconducting current lead are two important technical indicators. Therefore, a testing device for testing the performance of high-temperature superconducting current leads has emerged. The traditional test device uses liquid nitrogen and liquid helium, and the high-temperature end and low-temperature end of the high-temperature superconducting lead are respectively immersed in liquid nitrogen and liquid helium to measu...
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IPC IPC(8): G01R31/00
Inventor 叶海峰何智仰叶章学华
Owner VACREE TECH