LOGO!在温室CO_2浓度自动控制中的应用

Application of LOGO! to Automatic Control System of CO_2 Concentration in Greenhouse

温室环境自动控制是一种高效农业技术,它是以计算机技术和传感技术为基础的一种现代控制技术。为此,以通用逻辑设计模块LOGO!为核心,介绍了温室CO2浓度自动控制系统的工作原理和设计过程。该系统能实现手动、自动和时钟控制CO2发生器的功能,并可对温室内CO2浓度进行采集和显示。实践证明,系统操作方便,运行可靠。

This paper proposes a practical auto-control system of CO2 concentration in greenhouse. This system istaking LOGO! as the core, and can not only control of CO2 automatically, manually and in a timing way with a clock, but also detect and show the value of CO2 concentration in time. Furthermore this system have many characteristic such as operate easily, run reliable and etc.