Optimization method of the receiving frame of the hat shaped induction set fuzebased on finite element

DOI:	10.11809/bqzbgcxb2024.11.011
Keywords:	inductive setting; eddy current; fuze
Abstract:	In response to the problem of unstable system signal and incomplete setting data caused by the use of low permeability and high resistance aluminum alloy material in the receiver coil skeleton of the cap shaped induction setting, a back electromotive force will be generated inside the fuze skeleton, forming eddy currents, causing skin effect, and affecting the resonance characteristics of the coupled magnetic field and circuit.This article analyzes the situation of eddy currents caused by different materials in the magnetic field, and proposes the use of finite element method and equivalent circuit model analysis to establish a circuit model for the energy and information voltage transmission channel of the induction setting of the fuze under the influence of eddy currents.Simulation shows that compared with aluminum alloy materials, using chromium manganese silicon steel material to make the coil skeleton can reduce the eddy current loss power to 1/4, and chromium manganese silicon steel can reduce the eddy current loss power to a quarter.Steel has higher charging voltage, smaller signal bias and distortion.And with the advantages of a larger installation range, the experimental results have certain reference significance for the trend of selecting materials for induction installation skeletons.
Issue:	Vol. 45 No. 11 (2024)
Published:	2024-11-30
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