Superconducting Strip Strip Joint Welding Device
A superconducting strip, indirect technology, applied in the direction of welding equipment, auxiliary equipment, auxiliary welding equipment, etc., can solve the problems of high joint resistance, poor mechanical properties, and difficulty in ensuring the welding uniformity of the overlapping section of superconducting strips, etc. Achieve the effects of small joint resistance, good mechanical properties, and ensure dimensional consistency
Active Publication Date: 2020-09-15
BEIJING JIAOTONG UNIV
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Problems solved by technology
[0006] The object of the present invention is to provide a superconducting strip strip joint welding connection device with simple structure, convenient operation, uniform welding and high quality, so as to solve the difficulty in the welding uniformity of the overlapping section of the superconducting strip existing in the above-mentioned background technology. Guarantee the technical problems caused by high joint resistance and poor mechanical properties
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[0032] Such as figure 1 As shown, the embodiment of the present invention provides a superconducting strip inter-strip welding connection device, including an induction heating component 1 , a strip clamp 2 and an induction heating controller. The two superconducting strips to be welded are clamped by the strip clamp 2, a welding material, such as solder, is provided between the overlapping sections of the two strips, and the induction heating part 1 is controlled by the induction heating controller to heat the strip fixture. Therefore, the welding material is melted, and under the stress of the strip clamp 2, the molten welding material is evenly distributed between the superconducting strips to be welded.
[0033] Such as figure 2 As shown, the induction heating component 1 includes a heating coil 3 and a heat insulation layer 4 sleeved on the heating coil, the heating coil 3 is connected to the induction heating controller; the strip clamp 2 includes two A semi-cylindric...
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The invention discloses a superconducting strip joint heads welding connection device, and belongs to the technical field of superconducting strip welding. The device comprises an induction heating part, a strip clamp and an induction heating controller; the induction heating part comprises a heating coil and a heat insulation layer arranged on the heating coil in a sleeve mode, and the heating coil is connected to the induction heating controller; the heating coil is arranged outside the cylindrical strip clamp composed of the two semi-cylindrical clamping blocks in a sleeve mode; the strip clamp comprises two semi-cylindrical clamping blocks with strip accommodating grooves in the middle positions, and the two semi-cylindrical clamping blocks are clamped through a clamping device; the two to-be-welded superconducting strips are clamped together through the containing grooves, a welding material is arranged between the two to-be-welded superconducting strips, and the soldering material is melted through heating of the heating coil; and the welding material is uniformly distributed between the two superconducting strip through the stress of the clamp. The device has the advantagesof being simple in structure and convenient to operate, the superconducting strip joint heads welded by the device is uniform in welding, the mechanical performance is good, and the resistance of thejoints is small and the deviation is small.
Description
technical field [0001] The invention relates to the technical field of welding connection of superconducting strips, in particular to a controllable high-uniformity induction heating superconducting strip inter-joint connection device. Background technique [0002] Superconducting materials have unique properties such as zero resistance, complete diamagnetism, and quantum tunneling effects, and have broad application values in medical, electric power, and large scientific devices. In particular, the critical temperature of high-temperature superconductors has broken through the liquid nitrogen temperature range, and the development and operation costs of related superconducting equipment based on high-temperature superconductors have been greatly reduced. The fields involved in research and development include high-temperature superconducting magnets, high-temperature superconducting current limiters, high-temperature superconducting transformers, high-temperature supercon...
Claims
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IPC IPC(8): B23K1/002B23K3/00B23K37/04
CPCB23K1/002B23K3/00B23K3/087
Inventor 王邦柱戴少涛马韬胡磊张腾
Owner BEIJING JIAOTONG UNIV
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