空中放射性气溶胶采样装置设计  

Development of Airborne Radioactive Aerosol Sampling Device

作　　者：徐宏坤[1] 牟长丽[1] 殷荫[1] 邵延峰 边江[1] XU Hong-kun;MU Chang-li;YIN Yin;SHAO Yan-feng;BIAN Jiang(Beijing Research Center for Radiation Application,Beijing 100015,China)

机构地区：[1]北京市射线应用研究中心,北京100015

出　　处：《核电子学与探测技术》2020年第6期965-968,共4页Nuclear Electronics & Detection Technology

基　　金：国家重大科学仪器设备开发专项(项目编号:2011YQ060094)资助。

摘　　要：为适应放射性环境监测与核应急监测的需求,设计了一套被动式空中气溶胶采样装置。该装置利用飞机飞行时产生的空气动力来收集气溶胶粒子,不需抽气式采样装置的大功率电源,采用嵌入式ARM主控制器对GPS传感器获取时间、经度、纬度、高程等地理参数,以及采用温度、湿度、压力、风速传感器获取状态参数,以此进行实时采集、保存、通信,并在上位机软件中对所采集的参数进行处理。整个系统采用一体式设计,将样品采集、参数测量合为一体,结构简单实用。可靠性、动态响应及稳定性测试结果表明,装置能够快速有效获取大范围区域放射性气溶胶样品及状态参数。In order to meet the needs of radioactive environmental and emergency monitoring,a passive aerosol sampling device was designed.The device collects aerosol particles by the aerodynamic force of aircraft during flight.It does not need the air pump and high power supply.The embedded ARM controller is used to get,calculate,save and communicate the geographical parameters such as time,longitude,latitude,altitude,as well as the sampling state parameters obtained by the temperature,humidity,pressure and air velocity sensors.The device adopts an integrated design,which integrates sample collection and parameter measurement.Its structure is simple and practical.The test results of reliability,dynamic response and stability show that the device can quickly and effectively obtain radioactive aerosol samples and state parameters for a large area.

关 键 词：气溶胶 放射性 空中 采样装置 

分 类 号：TL81[核科学技术—核技术及应用]