摘要
设计的目的是提供一套能够实现在线自动测量粉尘的粉尘浓度监测系统.系统以β射线吸收法原理为设计基础,采用PLC(可编程逻辑控制器)控制技术,实现对用户输入参数设置,数据的采集和处理以及系统与计算机通讯的有效控制.系统具有可靠性高,操作简便,便于维护和可远程监控的特点.测量范围为0.1～1 500 mg/m3,精度为±9%.设计详细介绍了系统的组成,工作原理,硬件电路和软件开发.
To provide an on-line automatic system for dust concentration monitor is the purpose of this design.The system based on β-ray-absorption-method,employing PLC（Programmable Logic Controller） control technology,is presented.The user input parameter setup,the data acquisition and processing,and the communication with computer can be effectively regulated using the advanced PLC control technology.It has the features of high reliability,easy operation and easy maintenance,and the ability to monitor remotely.Measurement range：0.1~1500 mg/m3,Accuracy：±9%.The structure,working principle,electric circuit and software development of the system are introduced in detail.
出处
《南华大学学报（自然科学版）》
2011年第4期35-40,共6页
Journal of University of South China：Science and Technology
基金
2011年南华大学研究生科研创新基金资助项目(2011XCX11)
关键词
粉尘浓度测量
β射线吸收法
PLC
dust concentration monitor
β-ray-absorption-method
PLC
