Design and Realization of an Output Joint Delay Structure in Non-electric Detonation Transfer System
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摘要:针对某火工系统中传爆组件1路延期输出的需求，设计了1种输出接头延期结构，在可靠起爆与传爆的同时实现高精度延期。通过药剂选择与传火传爆序列设计、消爆腔与传火孔设计以及密闭式燃烧3个方面的匹配设计，实现了限制性导爆索对输出接头的非接触起爆，并达到了（80 ±25）ms的延期时间要求。采用雷管直接起爆限制性导爆索时，170 mm长的限制性导爆索起爆输出接头形成的半敞开燃烧环境会导致延期时间偏长且精度较差；而使用600 mm长的限制性导爆索起爆输出接头时测试得到的延期时间与实际使用基本相当，表明可以使用较长限制性导爆索对延期输出接头的燃烧环境进行约束。
Abstract:A delay structure of output joint was designed to meet the demand of delay output for a detonation transfer assembly in a non-electric detonation transfer system, the delay structure should achieve high precision delay while reliably initiating and transmitting detonation. Through the matching design of pyrotechnics selection and fire-transmitting sequence, explosion-eliminating chamber and fire-transmitting hole, and closed combustion, the non-contact initiation of the confined detonating fuse to the output joint can be realized, and the delay time of (80 ±25) ms can be achieved . When a detonator is used to initiate the confined detonating fuse directly, a semi-open combustion environment is formed as a 170 mm long confined detonating fuse initiating the output joint, resulting in a longer delay time with lower precision. While using a 600 mm long confined detonating fuse initiating the output joint, the measured delay time is basically equivalent to that of the actual use, suggesting that a longer confined detonating fuse can be used to constrain the combustion environment of the delay output joint.
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