一种通用的导弹电点火具检测系统设计

A General Detection System of Missile Electric Igniter

摘要:

为了安全、准确地检测导弹、火箭弹电点火具导通电阻，设计了一种可通用于不同型号导弹、火箭弹的电点火具检测系统，该检测系统在-40℃~+55℃条件下检测电流小于5mA、检测误差小于0.03Ω。首先分析了导弹、火箭弹电点火具电阻检测的特点；随后给出了检测系统的总体设计；紧接着进行了详细的硬件设计，包括通道切换电路设计、恒流电路和数据采集电路设计、控制与数据处理电路设计；然后讨论了检测系统的软件设计；最后通过环境试验和实际应用验证了该检测系统安全性高、精度高和通用性强。

Abstract:

In order to detect missile and rocket electric igniter resistance safely and accurately, an electric igniter detection system which can be commonly used for different types of missiles and rockets is designed, The detection system has a detection current of less than 5mA and a detection error of less than 0.03 Ω at -40 ° C ~ + 55 ° C. Firstly, the characteristics of resistance detection of missile and rocket electric igniter are analyzed. Later, the overall design of the detection system is given. Then detailed hardware design is carried out, including channel switching circuit design, constant current circuit and data acquisition circuit design, control and data processing circuit design. Then the software design of the detection system is discussed. Lastly, it is proved by environmental tests and practical applications that the detection system has high safety, high accuracy and strong versatility.