金属环境对引信磁共振耦合无线装定系统参数影响

doi:10.3969/j.issn.1000-1093.2018.06.001

兵工学报 ›› 2018, Vol. 39 ›› Issue (6): 1041-1048.doi: 10.3969/j.issn.1000-1093.2018.06.001

金属环境对引信磁共振耦合无线装定系统参数影响

曹娟¹, 李长生¹，张合¹，缪东辉²

(1.南京理工大学智能弹药技术国防重点学科实验室, 江苏南京 210094； 2.上海机电工程研究所, 上海 201109)

收稿日期:2017-09-21 修回日期:2017-09-21 上线日期:2018-07-29
作者简介:曹娟（1987—），女，博士研究生。 E-mail： cao_juanlove@163.com
基金资助:
国家自然科学基金项目(61403201)；总装备部预先研究项目（41419050104）；中央高校基本科研业务费专项基金项目（30915118824）

Influence of Metal Environment on Parameters of Fuze Wireless Setting System Based on Magnetic Resonance Coupling

CAO Juan¹, LI Chang-sheng¹, ZHANG He¹, MIAO Dong-hui²

(1.Ministerial Key Laboratory of ZNDY, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China; 2.Shanghai Electro-Mechanical Engineering Institute, Shanghai 201109, China)

Received:2017-09-21 Revised:2017-09-21 Online:2018-07-29

摘要/Abstract

摘要： 引信磁共振耦合无线装定系统位于圆筒形金属环境内工作时，装定线圈因金属环境影响会产生散射场阻抗，导致系统工作参数变化。针对该问题，建立了线圈散射场阻抗计算模型，通过实验研究了线圈等效参数随频率、间距、金属材料的变化规律。理论分析与实验结果表明：所建模型正确，理论计算结果与实验值较为吻合；金属物体的存在会引起装定线圈等效电阻值增大、电感值减小；铁磁性金属材料较非铁磁性金属材料所引起的线圈电阻值增加量更多，而电感值减少量则小些；利用所建模型计算出金属环境引起的散射场阻抗后，通过电路电容参数调整，可使装定系统重新回归共振状态。所建模型为金属环境影响下的引信无线装定系统线圈参数定量计算提供了理论参考。

关键词: 引信, 无线装定, 磁共振, 金属, 线圈参数, 散射场阻抗

Abstract: When the magnetic resonance coupling wireless setting system of fuze is located in cylindrical metal environment, the setting coil will produce the scattering field impedance due to the influence of the metal environment, resulting in change of the working parameters of the system. In order to study this problem, a calculation model of the coil scattering field impedance is established, and the change rules of equivalent parameters of coil with frequency, spacing and metal material are researched experimentally. The theoretical analysis and experimental results show that the proposed model is correct, and the theoretically calculated results are consistent with the experimental results. The equivalent resistance of the coil increases and the inductance decreases due to the existence of metal objects. In addition, the increase in resistance caused by ferromagnetic materials is more than that caused by non-ferromagnetic metal materials, while the decrease in inductance is less. After the scattering field impedance caused by metal environment is calculated by using the proposed model, the setting system can be returned to the resonance state by adjusting the capacitance parameters of the circuit. The proposed model can be used for the quantitative calculation of setting coil parameters under the influence of metal environment. Key

Key words: fuze, wirelesssetting, magneticresonance, metal, coilparameter, scatteringfieldimpedance

中图分类号:

TJ430.2

曹娟, 李长生，张合，缪东辉. 金属环境对引信磁共振耦合无线装定系统参数影响[J]. 兵工学报, 2018, 39(6): 1041-1048.

CAO Juan, LI Chang-sheng, ZHANG He, MIAO Dong-hui. Influence of Metal Environment on Parameters of Fuze Wireless Setting System Based on Magnetic Resonance Coupling[J]. Acta Armamentarii, 2018, 39(6): 1041-1048.

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金属环境对引信磁共振耦合无线装定系统参数影响

Influence of Metal Environment on Parameters of Fuze Wireless Setting System Based on Magnetic Resonance Coupling

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