便携式医用氧气纯度分析仪的研制  

Development of portable medical oxygen purity analyzer

作　　者：李林霞 高俊波 范榕 吴霆 徐亚蛟 刘彦琪 马进 王云英 LI Lin-xia;GAO Jun-bo;FAN Rong;WU Ting;XU Ya-jiao;LIU Yan-qi;MA Jin;WANG Yun-ying(Department of Aerospace Physiology,Department of Aerospace Medicine of Air Force Medical University,Xi'an 710032,China;The Fourth Laboratory of Handan Purification Equipment Research Institute,China State Shipbuilding Corporation Limited,Handan 056002,Hebei Province,China;Nursing Department,Medical College of Xianyang Vocational and Technical College,Xi'an 712046,China)

机构地区：[1]空军军医大学航空航天医学系航空航天生理学教研室,西安710032 [2]中国船舶集团有限公司第七一八研究所第四研究室,河北邯郸056002 [3]咸阳职业技术学院医学院护理教研室,西安712046

出　　处：《医疗卫生装备》2024年第3期36-40,共5页Chinese Medical Equipment Journal

基　　金：军队科研项目(2019-JCJQ-ZD-196,2019ZFC01);陕西省创新能力支撑计划项目(2020PT-019)。

摘　　要：目的:研制一款能够对医用氧或航空用氧中的多组分气体进行实时检测的便携式医用氧气纯度分析仪,以保障用氧的安全。方法:该分析仪以STM3F103RC作为主控制器,硬件主要由电源管理模块、氧气检测模块、一氧化碳/氯气检测模块、流量/二氧化碳检测模块、露点检测模块组成;软件包括人机交互界面设计和系统程序设计,其中人机交互界面采用DGUS组态软件开发,系统程序在Keil MDK环境下采用C语言编写。为验证该分析仪的检测性能,对氧气检测误差以及检测稳定性,一氧化碳、氯气、二氧化碳检测误差进行测试。结果:测试数据表明,该分析仪检测高体积分数氧气有较高的精度,绝对误差在±0.1%以内,而且长期稳定性较好;检测一氧化碳、二氧化碳和氯气的误差均在±5%FS以内,符合设计要求。结论:该分析仪测量精度高、稳定性好、方便携带,能够满足医用氧及航空用氧的检测需求。Objective To develop a portable medical oxygen purity analyzer capable of real-time detection of multi-compo-nent gases in medical oxygen or aviation oxygen to ensure the safety of oxygen consumption.Methods The portable medical oxygen purity analyzer with STM3F103RC as the main controller involved in a management module,an oxygen detection module,a carbon monoxide/chlorine detection module,a flow/carbon dioxide detection module and a dew point detection module as its hardware components,which had its human-machine interface programmed with DGUS supervision,control and data acquisition(SCADA)software and system program developed with C language under Keil MDK environment.The performance verification of the analyzer developed was carried out in terms of oxygen detection error and stability and errors for measuring carbon monoxide,chlorine and carbon dioxide.Results The analyzer showed high precision when used to detect oxygen with high volume fraction,with long-term stability and the absolute error restrained within±0.1%;the erros for measuring carbon monoxide,chlorine and carbon dioxide were all limited within±5%FS to meet the desired requirements.Conclusion The portable medical oxygen purity analyzer developed with high precision,stability and portability can be used for detection of medical oxygen and aviation oxygen.

关 键 词：医用氧 航空用氧 氧气纯度检测 氧气纯度分析仪 

分 类 号：R318[医药卫生—生物医学工程] R197.39[医药卫生—基础医学]