2、人计算机联网，组成的控制系统。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-39-安徽工程大学毕业设计（论文）DesignofFanControlSystemBasedonPLCAbstractThe programmable logic controller(PLC) is a microprocessor core, acombinationofcomputer technology, automaticcontroltechnology and networkcommun
3、icationtechnology, generalindustrialcontroldevices. Ithas easytouse,easymaintenance,reliability,highcostperformance characteristics, widelyusedin many areas of industrialcontrol.The minevertilator coal production equipment, the fan canwork adirectimpacton coal productionactivities. Therefore, the m
4、ain fan toachieve onlinemonitoring 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
5、 achieve automaticcontrolsystem; involvedin equipmentselection andconfiguration of hardware; thepreparationof the ventilator toachieve automaticcontrol ladder; andbrieflydescribes the PLCand otherintelligentdevices andpersonal computers networked controlsystemcomposedof.Thissystem improvesthe venti
6、lator equipment automation managementlevel, toensure the main ventilator equipment, economic, reliableoperation, andprovidesareliable scientificbasis for themanagementandmaintenance ofequipment.Keywords:Coalmineventilator;PLC;Onlinemonitoring-39-安徽工程大学毕业设计（论文）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
