多功能宽量程辐射探测系统研制

Design of A Multifunctional and Wide-Range Radiation Detection System

论文介绍一种多功能宽量程辐射探测系统的研制。该系统选用GM管与Na I(Tl)γ谱仪,通过嵌入式设计、实验标定、能谱剂量率转换、软件开发等工作实现系统的宽剂量率量程、双参数探测、自动温漂修正、无线数据传输和探测轨迹标定等功能。该系统可搭载无人旋翼机等设备进行远程探测,具有一定的辐射环境分析能力。实验表明该系统在0.01μGy/h^100 m Gy/h的辐射场内剂量率测量误差小于8%,上位机能在3 km距离获取作业路径、γ能谱和剂量率等探测信息。

This paper introduced the development of a multifunctional and wide range radiation detection sys- tem. The system used GM tube and NaI （TI） gamma spectrometer, through embedded design, experimental calibration, spectrum to dose conversion algorithm, software development and other work can achieve wide dose rate range, double parameters detection, automatic temperature drift correction, wireless data transmission and detection trajectory calibration function. The system can be equipped with unmanned rotor aircraft and other e- quipment for remote detection, which have a certain radiation environment . The experimental results show that the dose rate measurement error of system in the radiation field of 0.01 p.Gy/h - 100 mGy/h is less than 8% ; In 3km distance, the upper PC can obtain the working path, the gamma ray spectrum and the dose rate.