安徽大学学报（自然科学版）2025，Vol.49Issue(1)：36-43,8.DOI:10.3969/j.issn.1000-2162.2025.01.005
应用于离子迁移谱仪的湿度精确控制系统
Development and application of precise humidity control system for ion mobility spectrometer
摘要
Abstract
The ion mobility spectrometer is an analytical instrument that utilizes the difference in mobility speeds of ions under an electric field at atmospheric pressure to achieve rapid separation and detection of ions.Studies have shown that changes in humidity inside the drift tube can interfere with the detection results of ion mobility spectra,leading to false positives or missed detections.Based on the bubbling method,this research involved embedded development of humidity sensors and mass flow controllers to create a precise humidity control system centered around control circuits and bubbling units.Upon evaluating the system's performance,it was discovered that within a humidity range of 0％～100％RH,the device's humidity regulation precision is no greater than±0.6％RH.By utilizing this system the reactant ions of the ion mobility spectrometer was further analyzed,The research results are consistent with the report by Zahra Izadi's team,indicating that the developed precise humidity control system can effectively achieve accurate regulation of humidity,satisfying the Ion Mobility Spectrometer's need for precise humidity control.关键词
离子迁移谱/湿度控制/冒泡法/嵌入式Key words
ion mobility spectrometer/humidity control/bubbling method/embedded devel-opment分类
机械制造引用本文复制引用
宋瑜,罗元江,夏磊,刘亚伟,黄超群,储焰南..应用于离子迁移谱仪的湿度精确控制系统[J].安徽大学学报（自然科学版）,2025,49(1):36-43,8.基金项目
国家自然科学基金资助项目(62171433) （62171433）
安徽省重点研究与开发计划项目(2022a05020034) （2022a05020034）
中国科学院合肥研究院院长基金高技术创新项目(YZJJ202305-CX) （YZJJ202305-CX）
