气体浓度在线检测系统的设计  

Concentration on-line detecting system

作　　者：王玉田[1] 王聪[1] 韩昭明[1] 

机构地区：[1]燕山大学电气工程学院,河北秦皇岛066004

出　　处：《红外与激光工程》2006年第z2期123-127,共5页Infrared and Laser Engineering

基　　金：河北省自然科学基金(600227)

摘　　要：快速、实时检测甲烷的产生及其浓度,对于工矿安全运行、人身安全、环境保护具有重要的意义。在比尔-朗伯定律的理论基础上,将吸收式光纤传感技术、差分检测技术及计算机数据处理技术相结合,设计了一套高精度的新型时间双光路差分气体浓度在线检测系统,可对气体浓度进行实时在线连续检测。采用计算机的快速数据处理功能,以具有强大软件开发能力的 Visual C++6.0为工具,基于用户界面设计出该监测系统的实时动态监控软件.该系统提高了气体浓度检测灵敏度、实现了实时在线连续检测,数据的图形化显示,提高了系统的数据处理能力.Quick and real-time detection of methane is important for industry,body safe and environment protection.Based on the theory of Lambert-beer law,with the combination of optical fiber sensing,difference detection and computer data processing,the novel concentration online detecting system which employs time-sharing difference is designed,it can detect real-time and continuously.Taking the powerful software Visual C++6.0 as tool, using the rapid data processing function of computer,the real time online dynamic monitor software is designed based on User Interface.Sensitivity is improved,real-time and continuous detection is realized,and data processing ability is powered with graphical user interface.

关 键 词：光纤传感器 光谱吸收 差分检测 VISUALC++6.0 

分 类 号：TP212.9[自动化与计算机技术—检测技术与自动化装置]