同位素2024，Vol.37Issue(4)：347-352,6.DOI:10.7538/tws.2023.youxian.094
在线定向剂量当量率监测系统研制
Development of Online Directional Dose Equivalent Rate Monitoring System
韦应靖 1吴志芳 2刘立业 3李胤 3方登富 3刘新昊3
作者信息
- 1. 清华大学核能与新能源技术研究院,北京 100084||中国辐射防护研究院辐射安全与防护山西省重点实验室,山西太原 030006||核检测技术北京市重点实验室,北京 100084
- 2. 清华大学核能与新能源技术研究院,北京 100084||核检测技术北京市重点实验室,北京 100084
- 3. 中国辐射防护研究院辐射安全与防护山西省重点实验室,山西太原 030006
- 折叠
摘要
Abstract
In order to accurately measure the workplace(H)'(0.07)in real time,the ZF-FD7 online(H)'(0.07)monitoring system was developed.Its detector is based on plastic scintillator and SiPM,and the developed intermediate machine and upper computer have data transmission,dose rate display,over-threshold alarm and other functions.For the developed on-line(H)'(0.07)monitoring system,the radiation characteristics measured by reference to GB/T4835.1-2012 are as follows:in the range of 76 μSv/h-1.4 Sv/h,its relative inherent error is within±10％;The average energy of the β ray is 60-800 keV,and the response is within the range of 0.8-1.2;At-45°-45° incidence,the response of the incidence angle is between 0.88-1.00;The repeatability of the measurement results in a 1 mSv/h radiation field is 2.0％.After temperature compensation,the response change is 0.91-1.08 within-10 ℃-40 ℃,and 0.93-1.00 in the range of relative humidity of 45％-85％.The test results show that the characteristics of the ZF-FD7 on-line(H)'(0.07)monitoring system meet the requirements of GB/T4835.1-2012,and can be used for real-time monitoring of directional dose equivalent rate in high weak penetrating radiation sites.关键词
弱贯穿辐射/在线辐射监测/H'(0.07)/塑料闪烁体/半导体光电二极管Key words
weak penetrating radiation/online radiation monitoring/(H)'(0.07)/plastic scintillator/SiPM分类
能源科技引用本文复制引用
韦应靖,吴志芳,刘立业,李胤,方登富,刘新昊..在线定向剂量当量率监测系统研制[J].同位素,2024,37(4):347-352,6.
