延期状态下电子雷管电子控制模块的高过载加载实验

叶紫阳 吴红波 杨仕春 黄菓树 李天浩 孙翼 马成帅 任梦雨

叶紫阳, 吴红波, 杨仕春, 黄菓树, 李天浩, 孙翼, 马成帅, 任梦雨. 延期状态下电子雷管电子控制模块的高过载加载实验[J]. 高压物理学报. doi: 10.11858/gywlxb.20240840
引用本文: 叶紫阳, 吴红波, 杨仕春, 黄菓树, 李天浩, 孙翼, 马成帅, 任梦雨. 延期状态下电子雷管电子控制模块的高过载加载实验[J]. 高压物理学报. doi: 10.11858/gywlxb.20240840
YE Ziyang, WU Hongbo, YANG Shichun, HUANG Guoshu, LI Tianhao, SUN Yi, MA Chengshuai, REN Mengyu. Experimental Study on High Overload Loading of Electronic Control Module inside Electronic Detonator under Delayed State[J]. Chinese Journal of High Pressure Physics. doi: 10.11858/gywlxb.20240840
Citation: YE Ziyang, WU Hongbo, YANG Shichun, HUANG Guoshu, LI Tianhao, SUN Yi, MA Chengshuai, REN Mengyu. Experimental Study on High Overload Loading of Electronic Control Module inside Electronic Detonator under Delayed State[J]. Chinese Journal of High Pressure Physics. doi: 10.11858/gywlxb.20240840

延期状态下电子雷管电子控制模块的高过载加载实验

doi: 10.11858/gywlxb.20240840
基金项目: 安徽高校自然科学研究重点项目(KJ2019A0121)
详细信息
    作者简介:

    叶紫阳(1997-),男,硕士研究生,主要从事电子雷管研究. E-mail:2210779323@qq.com

    通讯作者:

    吴红波(1975-),男,博士,教授,主要从事爆破器材与安全研究. E-mail:hbwu@aust.edu.cn

  • 中图分类号: O521.9; O347; TQ565.2

Experimental Study on High Overload Loading of Electronic Control Module inside Electronic Detonator under Delayed State

  • 摘要: 为探究电子雷管内的电子控制模块在延期状态下受冲击载荷时的失效机制,采用分离式霍普金森压杆(split Hopkinson pressure bar,SHPB)对电子雷管试件进行了高过载加载测试,得到了整体电子控制模块和分离出钽电容的其余电子控制模块受不同加载压力时的失效情况。结果显示:钽电容在1.495×105g过载时出现电压下降现象,且过载越大,短路失效情况越明显;在一定过载范围内,钽电容因其特有的自愈性,可在短时间内回到起始量级;当过载超过临界范围,达到3.848×105g时,钽电容损坏且无法逆转。模块内其余组件的抗过载能力强于电容,芯片在4.155×105g过载后检测异常,电阻元件失效发生在4.249×105g以上过载。

     

  • 图  高过载测试系统

    Figure  1.  Test equipment for high overload

    图  单电容电路工作原理示意图

    Figure  2.  Schematic diagram of a single-capacitor circuit working principle

    图  2种实验模型

    Figure  3.  Two experimental models

    图  2种试件在未受高过载时的电容电压变化

    Figure  4.  Capacitance voltage variation of the two specimens under normal operating conditions of high load

    图  不同气压撞击后的电子引火元件

    Figure  5.  Electronic ignition elements corresponding to barometric impacts

    图  0.2 MPa气压下的入射杆电压信号及对应的过载加速度

    Figure  6.  Incident bar pulse signal and corresponding overload acceleration under 0.2 MPa

    图  A型试件延期过程中过载加速度与电容电压的关系

    Figure  7.  Relationship between overload acceleration and capacitance voltage during the postponement process of specimen type A

    图  B型试件受高过载时的电容电压变化

    Figure  8.  Capacitance voltage variation of specimen type B under high overload condition

    表  1  电子引火元件各组件类型及参数

    Table  1.   Types and parameters of electronic igniter components

    Capacitor typeCapacitance/µFModelBridge wire materialResistance/ΩChip
    Tantalum2222K20Nickel chromium alloy2Fourth generation
    下载: 导出CSV

    表  2  B型试件在高过载加载下各组件的失效情况

    Table  2.   Failure conditions of components of specimen type B under high overload

    Pressure/
    MPa
    Maximum
    overload/(105g)
    Voltage change corresponding
    type chart
    Sample module failure case
    Bridge wire Chip Circuit board
    0.7 3.447 Type Ⅰ Melted Normal Normal
    3.506 Type Ⅰ Melted Normal Normal
    3.328 Type Ⅰ Melted Normal Normal
    0.8 3.684 Type Ⅰ Melted Normal Normal
    3.731 Type Ⅰ Melted Normal Normal
    3.776 Type Ⅰ Melted Normal Normal
    0.9 3.817 Type Ⅱ Unmelted, non-ablation trace Normal Resistor failure
    3.984 Type Ⅰ Melted Normal Normal
    3.759 Type Ⅰ Melted Normal Normal
    1.0 4.155 Type Ⅰ Unmelted, ablation, deformation, discoloration Abnormal Normal
    4.086 Type Ⅰ Melted Normal Normal
    4.167 Type Ⅱ Unmelted, non-ablation trace Abnormal Normal
    1.1 4.235 Type Ⅱ Unmelted, non-ablation trace Abnormal Normal
    4.173 Type Ⅰ Unmelted, ablation, discoloration Abnormal Normal
    4.249 Type Ⅱ Unmelted, non-ablation trace Normal Resistor failure
    1.2 4.472 Type Ⅱ Unmelted, non-ablation trace Abnormal Normal
    4.581 Type Ⅱ Unmelted, non-ablation trace Abnormal Resistor failure
    4.426 Type Ⅱ Physical bending Abnormal Resistor failure
    下载: 导出CSV
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  • 收稿日期:  2024-07-02
  • 修回日期:  2024-07-26
  • 录用日期:  2024-08-20
  • 网络出版日期:  2024-10-15

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