双G-M管宽量程辐射探测器设计  

Design of Wide Range Radiation Detector with Dual G-M Counter Tube

作　　者：王凯亮 厉位阳[2] 黄国夫 赵顺平 王娟 楼淑芬 陈群华 WANG Kai-liang;LI Wei-yang;HUANG Guo-fu;ZHAO Shun-ping;WANG Juan;LOU Shu-fen;CHEN Qun-hua(Radpac Co.Ltd.,Hangzhou 310012,China;Zhejiang University,Hangzhou 310058,China;Zhejiang Province Radiation Environmental Monitoring Station,Hangzhou 310012,China)

机构地区：[1]杭州核安科技有限公司,杭州310012 [2]浙江大学,杭州310058 [3]浙江省辐射环境监测站,杭州310012

出　　处：《核电子学与探测技术》2020年第4期532-539,共8页Nuclear Electronics & Detection Technology

摘　　要：将Time-to-Count技术方法应用于双G-M计数管的辐射探测器,设计了G-M计数管高压快速充电电路和控制高低量程GM计数管工作切换的电路,测试结果表明:双G-M计数管辐射探测器的量程跨度达9个数量级,测量上限达15 Sv/h以上,实现了高低量程的平滑切换,还验证了探测器的稳定性和可靠性。Applied the method of Time to-Count to the radiation detector with dual G-M counter tubes,designed the circuit for fast charging the G-M counter tube and the control circuit for switching between the high and low range G-M counter tubes,the test results show that the de-signed radiation detector have wide range with 9 orders of magnitude,and the upper limit is more than 15 Sv/h,realized the smooth switching bet ween high and low range,the stability and reliabil-ity of the designed radiation detector are also verified.

关 键 词：双G-M管 量程切换 宽量程 高剂量率 

分 类 号：TL811.3[核科学技术—核技术及应用]