轨道炮引信电路不同布置方式的电磁特性仿真计算

孙诚诚; 郭晋; 弯港; 田珂; 刘占恒; 尹冬梅

doi:10.11884/HPLPB202537.250143

轨道炮引信电路不同布置方式的电磁特性仿真计算

doi: 10.11884/HPLPB202537.250143

孙诚诚^{1, 2,},
郭晋^{1, 2},
弯港³,
田珂^{1, 2},
刘占恒^{1, 2},
尹冬梅³

1.
机电动态控制重点实验室，西安 710065
2.
西安机电信息技术研究所，西安 710065
3.
南京理工大学瞬态物理重点实验室，南京 210094

基金项目: 国家级国防重点预先研究项目（9090101030101）

详细信息

作者简介:
孙诚诚，002sc0603@sina.com

中图分类号: TM153；TJ430
计量
- 文章访问数: 41
- HTML全文浏览量: 27
- PDF下载量: 2
- 被引次数: 0
出版历程
- 收稿日期: 2025-03-19
- 修回日期: 2025-07-21
- 录用日期: 2025-07-21
- 网络出版日期: 2025-07-28

Simulation on electromagnetic characteristics of different layout methods of railgun ammunition fuze circuit components

Sun Chengcheng^{1, 2
,},
Guo Jin^{1, 2},
Wan Gang³,
Tian Ke^{1, 2},
Liu Zhanheng^{1, 2},
Yin Dongmei³

1.
Science and Technology on Electromechanical Dynamic Control Laboratory, Xi’an 710065, China
2.
Xi’an Institute of Electromechanical Information Technology, Xi’an 710065, China
3.
National Key Laboratory of Transient Physics, Nanjing University of Science and Technology, Nanjing 210094, China

摘要

摘要: 为了优化电磁炮引信电路部件的排布方式，实现减小电磁屏蔽壳体尺寸及重量，针对电磁轨道炮发射的弹药引信电路部件所受电磁场特征，对引信电路模块在引信中的垂直于弹轴发射方向和平行于弹轴发射方向两种典型布置方式进行了电磁特性仿真计算，分别得到引信电路模块上的磁场分布情况、感应电流、电流体积力密度和感应电动势，经对比分析计算结果，给出用于电磁轨道炮发射弹药引信电路部件的优化设计思路。
- 轨道炮 /
- 引信 /
- 电磁特性 /
- 仿真计算
Abstract: Background
Precision-guided ammunition for electromagnetic railguns is gradually becoming a key area of competition among nations, which imposes new requirements on fuzes for electromagnetic railgun ammunition. Modern fuzes contain a large number of electronic components, and during the launch of electromagnetic railgun projectiles, the fuze is exposed to strong magnetic fields. These fields can interfere with the fuze's electronic components, leading to malfunctions or even damage. As a result, most mature electromagnetic railguns currently use kinetic energy projectiles or mechanical fuzes.
Purpose
A reasonable arrangement of the fuze circuit module can reduce the structural thickness and weight of the electromagnetic shielding shell for the fuze circuit, while effectively ensuring the performance of the fuze circuit.
Methods
In this paper, a quasi-steady-state simulation model of the electromagnetic railgun is established. The electromagnetic induction performance of the circuit module under two different arrangement schemes is calculated and analyzed. The responses such as the magnetic field distribution, induced current, electromagnetic volume force density, and induced electromotive force on the fuze circuit module are obtained respectively.
Results
When the fuze circuit module is arranged parallel to the projectile axis, although the overall magnetic field strength is greater than when it is arranged perpendicular to the projectile axis, the peak magnetic field strength in the perpendicular arrangement covers an entire surface of the circuit board, whereas in the parallel arrangement, the peak magnetic field strength is only at the edge of the circuit module’s end. When the fuze circuit module is arranged parallel to the projectile axis, the induced eddy current, electromagnetic volume force density, and induced electromotive force are all significantly smaller than those in the perpendicular arrangement.
Conclusions
For the fuze circuit module of electromagnetic railgun ammunition, arranging it parallel to the projectile axis can more effectively reduce the impact of the electromagnetic field during launch. Additionally, sensitive components should be avoided being placed at the ends and edges of the circuit module. This can greatly reduce the structural size, thickness and, weight of the shell for electromagnetic shielding of the fuze circuit components, so as to optimize the overall structure of the fuze and reduce the total weight of the fuze.
- railgun /
- fuze /
- electromagnetic poperty /
- simulation

HTML全文

图 1 电磁轨道炮三维准稳态电磁场的仿真模型

Figure 1. The electromagnetic field simulation model of railgun

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图 2 加载的电流曲线

Figure 2. Load circuit curve

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图 3 加入引信电路模块的电磁轨道炮三维准稳态电磁场的仿真模型

Figure 3. Electromagnetic field simulation model of the railgun with the fuze circuit module

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图 4 引信电路模块垂直于弹轴方向布置时的磁感应强度分布

Figure 4. Magnetic induction intensity when the fuse circuit is arranged vertically

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图 5 引信电路模块平行于弹轴方向布置时的磁感应强度分布

Figure 5. Magnetic induction intensity when the fuze circuit is arranged parallelly

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图 6 引信电路模块上的感应涡电流仿真模型

Figure 6. Simulation model of the induced eddy current on the fuze circuit

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图 7 引信电路模块垂直于弹轴发射方向布置时的感应电流矢量分布

Figure 7. The distribution of induced current when the fuze circuit is arranged vertically

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图 8 引信电路模块平行于弹轴发射方向布置时的感应电流矢量分布

Figure 8. The distribution of induced current when the fuze circuit is arranged vertically

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图 9 引信电路模块垂直布置时的电磁体积力密度的矢量分布

Figure 9. The electromagnetic volumetric force density distribution when the fuze circuit is arranged parallelly

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图 10 引信电路模块水平布置时的电磁体积力密度的矢量分布

Figure 10. The electromagnetic volumetric force density distribution when the fuze circuit is arranged parallelly

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图 11 截面的选取

Figure 11. Selection of cross-section

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图 12 引信电路模块垂直布置时，所取非闭合回路感应电压变化

Figure 12. The change in the non-closed loop induced voltage measured when the fuze circuit is arranged vertically

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图 13 引信电路模块平行于弹轴发射方向时，所取非闭合回路感应电压变化

Figure 13. The change in the non-closed loop induced voltage measured when the fuze circuit is arranged parallelly

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