安徽工程大学毕业设计(论文)I 摘要可编程控制器(PLC) 是一种以微处理器为核心,综合了计算机技术、自动控制技术和网络通信技术的通用工业控制装置。它具有使用方便、维护容易、可靠性好、性能价格比高等特点,广泛应用于工业控制的众多领域。煤矿主通风机是煤矿生产的重要设备,通风机能否正常工作,直接影响煤矿的生产活动。因此对主通风机实现在线监控有很重要的意义。矚慫润厲钐瘗睞枥庑赖。本文针对通风机的工作环境和运行特点,以PLC 为主控设备,介绍了可编程序控制器(PLC)在煤矿通风系统中的应用;探讨了通风机实现自动控制系统的系统组成和设计;涉及硬件设备的选型与组态;编制了通风机实现自动控制梯形图;并简要介绍了PLC 与其他智能装置及个人计算机联网,组成的控制系统。聞創沟燴鐺險爱氇谴净。本系统提高了主通风机设备的自动化管理水平,有力地保证了主通风机设备的经济、可靠运行,为设备的管理和维修提供了可靠的科学依据。残骛楼諍锩瀨濟溆塹籟。关键词 :煤矿通风机;PLC ; 在线控制黄炜:基于PLC 的风机控制系统设计II Design of Fan Control System Based on PLC Abstract The programmable logic controller (PLC) is a microprocessor core, a combination of computer technology, automatic control technology and network communication technology, general industrial control devices. It has easy to use,easy maintenance, reliability, high cost performance characteristics, widely used in many areas of industrial control.The mine vertilator coal production equipment, the fan can work a direct impact on coal production activities. Therefore, the main fan to achieve online monitoring of very important significance. In this paper, the working environment and operational characteristics of theventilator, the PLC as the master device to introduce a programmable logiccontroller (PLC) in the mine ventilation system; explore composition and designof fan system to achieve automatic control system; involved in equipmentselection and configuration of hardware; the preparation of the ventilator to achiev...