一种基于ME3A-C2H5OH电化学传感器的便携式酒精检测仪  

A Portable Alcohol Detector Based on Electrochemical Sensor ME3A-C2H5OH

作　　者：张水利[1] 周美丽[1] 邵婷婷[1] 莫德华[1] 李欢敏 ZHANG Shui-lL;ZHOU Mei-IL;SHAO Ting-ting;MO De-hua;LI Huan-min(College of Physical and Electronic Information, Yan＇an University, Yan＇an 716000, China)

机构地区：[1]延安大学物理与电子信息学院

出　　处：《控制工程》2018年第4期596-600,共5页Control Engineering of China

基　　金：陕西省科技厅项目(2014JQ2-6031);延安大学教学改革基金项目(YDJG17-19);延安大学产学研项目(2017cxy05);国家大学生创新计划项目(201310719018);陕西省大学生创新计划项目(1557)

摘　　要：为了能够方便、准确地检测空气或人体呼出气体中的酒精浓度，设计了一种便携式酒精气体浓度检测仪，该设计以MSP430G2553混合信号微控制器和ME3A-C2H50H电化学式酒精传感器为核心，使用高性能集成运放OPA2330和16位集成模．数转换器ADSlll8对微弱电流信号进行放大和采集，经控制器进行运算处理，并通过12864液晶屏和ISDl760语音模块进行显示和语音播报。该系统具有低功耗、高灵敏度、高精度、抗干扰能力强、智能化程度高等优点，具有广泛的应用前景。In order to be able to detect the concentration of alcohol in the air or exhaled gas easily and accurately, we design this portable alcohol concentration detector, which takes MSP430g2553 mixed signal micro controller and ME3A-C2HsOH electrochemical alcohol sensor as the core, uses high performance integrated operational amplifier OPA2330 and 16 bit integrated AD converter ADS 1118 to amplify and acquire the weak current signal, and the alcohol concentration value is displayed on the 12864LCD screen after the weak current signal is processed by controller, and the voice circuit will send an alarm signal when the alcohol concentration exceeds a set value. The system has the advantages of ultra-low power, high sensitivity, high accuracy, anti-interference ability, high intelligence, and has a broad application prospect.

关 键 词：便携式 酒精传感器 集成运放 A/D 语音报警 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]