气体传感器长期稳定性智能检测系统  

Intelligent detection system for long-term stability of gas sensor

作　　者：沙春哲[1] 施云波[1] 修德斌[1] 赵文杰[1] 胡敏[1] 于明岩[1] 刘甜甜[1] 

机构地区：[1]哈尔滨理工大学测控技术与通信工程学院测控技术与仪器黑龙江省高校重点实验室,哈尔滨150080

出　　处：《电子测量技术》2010年第6期102-105,共4页Electronic Measurement Technology

基　　金：国家自然科学基金资助项目(No.60772019);国家863高技术研究发展计划资助项目(2006AA040101-05);黑龙江省教育厅科学技术研究项目(11541047);黑龙江省研究生创新科研项目(YJSCX2009-042HLJ);"哈尔滨市科技创新人才研究专项资金"2010RFXXG009

摘　　要：设计了一种基于ARM的气体传感器长期稳定性智能检测系统,该系统以LM3S1138作为控制和处理核心。系统共有10片测试板,每片测试板可放置8个气体传感器,最多可一次测试80只气体传感器。可实现对供电电压在0～10V、基值电阻在0～300kΩ的半导体气体传感器进行检测,最多可同时测量80只气体传感器,可同时检测不同类型的气体传感器;采集环境温湿度值;对检测值可在LCD上显示同时将数据存储到SD卡。本系统具有适应性强、使用灵活、稳定性好、可靠性高和精度高的特点。An ARM-based intelligent detection system for long-term stability of gas sensor was designed in this paper,with LM3S1138 as the core of the control and process.The system has 10 testing boards,which have an upper compacity of testing 80 gas sensors for each time,with 8 gas sensors on each testing board.Further more,the system can hold 80 gas senors of different types simultaneously,with the limit of 0~10 V for supply voltage and 0~300 kΩ for the semiconductor sensor.The values for ambient temperature and humidity test can be displayed on LCD and stored in SD card.For its great stability,strong adaptability,good flexibility,high reliability and accuracy,the system would have its applications in gas detection.

关 键 词：ARM 气体传感器 智能检测 SD卡 

分 类 号：TP206.1[自动化与计算机技术—检测技术与自动化装置]