一种无人机火箭助推器用点火器的设计与性能探究  

Design and performance exploration of an igniter for a UAV rocket booster

作　　者：邹志兵 任泰昌 詹勇波 刘晓娟 ZOU Zhibing;REN Taichang;ZHAN Yongbo;LIU Xiaojuan(Jiangxi Xinyu Guotai Special Chemical Co.,Ltd.,Xinyu 338018,China)

机构地区：[1]江西新余国泰特种化工有限责任公司,江西新余338018

出　　处：《煤矿爆破》2024年第2期22-26,33,共6页Coal Mine Blasting

摘　　要：介绍了一种点火器结构、发火元件、主装药剂及引火药剂的设计与选择,采用半导体桥式发火元件,利用两种相容性较好的引火药剂制作引火元件,内层药剂发火可靠性好、外层药剂能量密度高且反应迅速,提升了引火元件的综合性能。对该点火器的点火输出压强指标进行了重点探究,试验结果表明,在590 mL容腔内,其点火输出压强不小于5.5 MPa,作用时间不大于100 ms。对该点火器的其他性能进行了验证,表明该点火器电性能优越,发火可靠性高,满足无人机火箭助推器的使用要求,具有很好的应用前景。This article introduces the design and selection of structure,ignition components,main charge agent,and ignition agent of an igniter.A semiconductor bridge ignition component,and two compatible ignition agents are used to make the ignition components.The inner layer agent of the ignition component has good ignition reliability,the outer layer agent has high energy density and the reaction is fast.Therefore,the comprehensive performance of the ignition components is improved.The ignition output pressure index of the igniter is mainly studied.The experimental results show that in a 590 mL chamber,the ignition output pressure is not less than 5.5 MPa,and the action time is not more than 100 ms.And other properies of the igniter are verified too.The results indicate that this igniter has superior electrical performance and high ignition reliability,meets the operation requirements of the UAV rocket boosters,and has good application prospects.

关 键 词：点火器 药剂 半导体桥 引火元件 火箭助推器 

分 类 号：TQ560[化学工程—炸药化工] TD235[矿业工程—矿井建设]