2、系统。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。关键词：煤矿通风机；PLC；在线控制DesignofFanControlSystemBasedonPLCAbstractThe programmable logic controller(PLC) is a microprocessor core, acombinationofcomputer technology, automaticcontroltechnology and networkcommunicationtechnology, generalin
3、dustrialcontroldevices. Ithas easytouse,easymaintenance,reliability,highcostperformance characteristics, widelyusedin many areas of industrialcontrol.The minevertilator coal production equipment, the fan canwork adirectimpacton coal productionactivities. Therefore, the main fan toachieve onlinemo
4、nitoring of veryimportant significance.Inthispaper, the workingenvironment andoperationalcharacteristics of theventilator, the PLCasthe master device tointroduce a programmablelogiccontroller (PLC)in the mineventilation system; explore compositionand designof fan system to achieve automaticcontro
5、lsystem; involvedin equipmentselection andconfiguration of hardware; thepreparationof the ventilator toachieve automaticcontrol ladder; andbrieflydescribes the PLCand otherintelligentdevices andpersonal computers networked controlsystemcomposedof.Thissystem improvesthe ventilator equipment automa
6、tion managementlevel, toensure the main ventilator equipment, economic, reliableoperation, andprovidesareliable scientificbasis for themanagementandmaintenance ofequipment.Keywords:Coalmineventilator;PLC;Onlinemonitoring目录引言1第1章绪论21.1课题的研究意义21.2PLC及风机控制系统的发展状况2第二章总体方案设计52.1控制系统的要求52.2系统构成及工作原理52.
