基于MSP430的便携式四合一气体检测仪  

Design of Portable Quad-gas Detector Based on MSP430

作　　者：周鹏辉[1] 汪献忠[1] 薛妤 

机构地区：[1]郑州大学物理工程学院,河南郑州450001 [2]河南日立信有限公司,河南郑州450001

出　　处：《仪表技术与传感器》2012年第11期77-79,共3页Instrument Technique and Sensor

摘　　要：提出一种基于MSP430的便携式四合一气体检测仪的设计方案,给出了系统的硬件和软件设计。该检测仪采用电化学原理来检测氧气、一氧化碳和硫化氢,采用催化燃烧原理来检测甲烷。系统采用了MSP430F5438作为主控芯片,兼顾了检测仪的性能和低功耗。检测仪移植了嵌入式实时操作系统μC/OS-Ⅱ,提高了系统的可靠性和稳定性。利用传感器信号矩阵运算去除气体交叉干扰。通过现场测试,该检测仪测量精确,性能稳定。The design and implementation of a portable quad-gas detector based on MSP430 was proposed. The detector used the principle of electrochemical to detect oxygen, carbon monoxide and hydrogen sulfide, and the principle of catalytic combustion to detect methane. To ensure performance and low power consumption, the system was equipped with MSP430F5438. Transplantation of embedded real-time operating system μC/OS-Ⅱ to the detector improved system reliability and stability. Calculating the gas sensor data matrix can remove the gas intercross interference. Though on-site testing, the detector appears accurate and stable.

关 键 词：气体检测 MSP430 μC OS-Ⅱ 

分 类 号：TH832[机械工程—仪器科学与技术]