远距离实时监测炸点时间测量装置设计

查冰婷; 张合; 张祥金; 谭亚运

doi:doi:10.3788/gzxb20134208.0988

光子学报, 2013, 42 (8): 988, 网络出版: 2013-09-25

远距离实时监测炸点时间测量装置设计

Design on Device for Remote Realtime Monitoring Measuring the Burst Point Time

论文大纲

查冰婷 ^*张合张祥金谭亚运

作者单位

南京理工大学智能弹药技术国防重点学科实验室，南京 210094

时间测量光电探测炸点无线传输雪崩光电二极管 Time measuring Photoelectric detection Burst point Wireless transmission Avalanche photodiode

摘要

针对现有炸点时间测量装置无法及时显示炸点时间测量情况、测量误差大、不易滤除干扰信号的问题，提出以雪崩光电二级管作为光电探测器提高触发准确度，同时利用无线数据传输模块实时将弹体出炮口和爆炸的脉冲信号无线传输给远端的PC机，并直接以PC机计时代替传统计时电路提高计时准确度.设计了基于雪崩光电二级管的接收放大电路，组建了光电接收模块，输出的脉冲信号下降沿宽度小于25 ns.无线数据传输模块中发射机与光电接收模块相连，接收机与PC机相连，通过发射机与接收机之间的无线通信，实现测量信息的无线传输，可在1～3 km外的PC机中实时显示脉冲信号及信号的北京时间，直观读取炸点时间，监测测量情况，滤除干扰信号.试验测量某试验弹的炸点时间为124.056 ms，结果表明：该装置可有效实现远距离实时监测炸点时间，测量准确度达到1μs.设计可为炸点时间测量装置的优化改进提供参考.

Abstract

Aiming at the existent burst point time measurement device was unable to show the burst point time measurement situation and had a big measurement error, avalanche photodiodes (APD) were used as photoelectric detectors, wireless data transmission modules were applied to transmit burst signal timely and directly timed by PC instead of traditional timing circuits to improve timing accuracy. The amplifying circuit based on APD was designed, photoelectric receiver module was built, and the falling edge width of the output pulse signal was less than 25 ns. Of the wireless data transmission module, the transmitter was contacted to photoelectric receiver module, and the receiver connected with PC. Through the wireless communication between the transmitter and the receiver, the pulse signal when the ammo was outing of the muzzle and exploding was passed on to the PC that was 1~3 km away. The measurement situation was monitored realtimely, the burst point time was read intuitively, and interference signals could be artificially filtered. Measuring the burst point time of a test bomb, which was 124.056 ms, the results of the test experiment shows that the device is able to effectively realize remote realtime monitor the burst point time with high measuring accuracy. This design can provide a reference for the optimization and improvement of the burst point time measuring device.

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查冰婷, 张合, 张祥金, 谭亚运. 远距离实时监测炸点时间测量装置设计[J]. 光子学报, 2013, 42(8): 988. ZHA Bingting, ZHANG He, ZHANG Xiangjing, TAN Yayun. Design on Device for Remote Realtime Monitoring Measuring the Burst Point Time[J]. ACTA PHOTONICA SINICA, 2013, 42(8): 988.

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