Objective To study the effects of environmental factors on the delay performance and output energy of the detonation devic. Methods According to the comprising structure feature of the new delay detonation device, based on ex-plosive device test method and laboratory environmental test method for military materials, high-temperature high-humidity and temperature impact tests were designed in terms of extreme operation environmental conditions. Results The delay time range of the detonation device in the high-temperature and high-humidity condition was from 260 ms to 630 ms; The delay time range of the detonation device in temperature impact condition was from 283 ms to 513 ms;The output capacity of the detonation device in the high-temperature and high-humidity condition was from 13 mm to 17 mm. The output capacity of the detonation device in temperature impact condition was 13 mm to 18 mm. Conclusion High-temperature and high-humid-ity condition had greater effect on the delay time of the detonation device, with occurrence of delay exceeding the index.%目的：研究环境因子对某火工元件延时性能和输出能量的影响。方法根据某型延时起爆装置的组成结构特点,依据火工品试验法、军械装备环境试验法,结合极限使用环境条件设计了高温高湿、温度冲击试验。结果高温高湿的延迟时间范围为260~630 ms；温度冲击的延迟时间范围为283~513 ms,高温高湿输出能力范围为13~17 mm,温度冲击输出能力范围为13~18 mm。结论高温高湿试验对延迟时间影响较大,出现超出指标的延迟时间。
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