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An integrated driving coil and assembly process for electromagnetically driven magnetic flux compression

A drive coil, electromagnetic drive technology, applied in coil, coil manufacturing, inductor/transformer/magnet manufacturing, etc., can solve the problem of sleeve implosion asymmetry, achieve uniform magnetic field distribution, high energy conversion efficiency, avoid sleeve The effect of implosion asymmetry

Active Publication Date: 2018-06-29
INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of sleeve implosion asymmetry inherent in the existing electromagnetic drive magnetic flux compression method, and to achieve the purpose of improving the magnetic field

Method used

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  • An integrated driving coil and assembly process for electromagnetically driven magnetic flux compression
  • An integrated driving coil and assembly process for electromagnetically driven magnetic flux compression
  • An integrated driving coil and assembly process for electromagnetically driven magnetic flux compression

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Embodiment

[0031] Such as Figures 1 to 3 As shown, the present invention is an integrated drive coil for electromagnetic drive magnetic flux compression, including an insulating sleeve 2, the inner side of the insulating sleeve 2 is set with a metal sleeve 1, and the outer side of the insulating sleeve 2 is set and connected with multiple layers. The densely wound composite solenoid 3; the enameled wire in the copper strip at one end of the multilayer densely wound composite solenoid 3 is evenly distributed in the circumferential direction and welded on the upper electrode disc 7, and the lower part of the upper electrode disc 7 is sequentially connected to the insulating sleeve The insulating support ring 9 on the outer side of the cylinder 2 and the lower electrode disc 8 connected to the metal sleeve 1, the enameled wire in the copper strip at the other end of the multi-layer densely wound composite solenoid 3 is evenly distributed in the circumferential direction and welded on the up...

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Abstract

The invention discloses an integrated driving coil for electromagnetic drive flux compression and an assembly process. The integrated driving coil comprises a metal sleeve, an insulation sleeve, multiple layers of close winding complex solenoids, a constraint sleeve, an upper sliding ring and a lower sliding ring which are sequentially sleeved from inside to outside. A discharging circuit is formed by an upper electrode disc, the upper sliding ring, the metal sleeve, the lower sliding ring and a lower electrode disc. The problem that in an existing electromagnetic driving flux compression technology, electromagnetic force borne by the metal sleeve is suddenly reduced along with increase of the distance between a metal solid sleeve and a driving coil is avoided. Meanwhile, by means of the structure of the multiple layers of close winding complex solenoids, an intrinsic current feedback clearance of a conventional theta-pinch structure is thoroughly avoided, and the intrinsic problem of sleeve implosion asymmetry of the existing electromagnetic driving flux compression method is solved. The compression efficiency can be remarkably improved, and then the magnetic field peak value is increased.

Description

technical field [0001] The invention relates to the field of pulsed strong magnetic fields, in particular to an integrated drive coil for electromagnetically driven magnetic flux compression. Background technique [0002] The basic principle of electromagnetic drive magnetic flux compression technology is: the pulse capacitor bank quickly discharges the drive coil, thereby driving the inner metal sleeve to implode and compress the magnetic flux generated by the initial magnetic field coil. Due to the conservation of magnetic flux, the implosion and compression process of the sleeve Realize the magnetic field enhancement amplification. Studies have shown that the electromagnetic drive magnetic flux compression method can generate a pulsed strong magnetic field exceeding 300 T in a large space range with a relatively low cost, convenience, simplicity, and high controllability. The current world record is to generate a pulsed strong magnetic field of 730 T within an aperture o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F5/02H01F5/04H01F41/08H01F41/076H01F41/071H01F41/069
CPCH01F5/02H01F5/04H01F41/08H01F2005/006H01F2005/043
Inventor 周中玉谷卓伟陆禹仝延锦谭福利赵剑衡孙承纬
Owner INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS