文献翻译-煤矿自动化和通信技术现状与发展趋势

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1、英文原文PresentsituationanddevelopingtrendofcoalmineautomationandcommunicationtechnologyHUSui一yan(ChangzhouAutomationResearchInstitute,ChinaCoalResearchInstitute^Changzhou213015,ChinaAbstract:Thepaperintroducedthedevelopmenthistoryofthemineautomationandcommunicationtechnology.Thepaperanalyzedthe

2、functionfeaturesofthepresentmineautomationandcommunicationtechnology.Thepaperprovidedsomekeytechnologiestobesolvedinthenearfuture.KeyWord:mineautomation;dispatchcommunication;industrialEthernet;GEPON;minewirelesscommunication;1Developingprocessofcoalmineautomationandcommunication1.1Coalminea

3、utomationCoalmineautomationinChinacanbetracedbacktothe1960s.Itexploredfromearlysimplestartstopandlockingcontrolbyrelayingtomorecomplicatedcontrolsystemupdatedgraduallybytransistor,smal1-scaleintegratedcircuitandSCM.Atpresent,mostcoalmineshaveestablishedspecialmonitotingandcon\olsystemssucha

4、ssafetyandproductionmonitoringandconolsystem.electricconsystemforbeltconyevOr.powermonitoringandcontrolsystem,andintegratedthesesystemsbyhigh,speednetwork,andgraduallycompletedanddeve1.opedlocalproductionautomationsystems.towardsintegratedminewideautomation-1.2CoalminecommunicationCoalmineco

5、mmunicationisintegrantforcoalmineproductionanddispatching.Duetomulti,procedureandscatteredworkingspots,itisdifficulttocoverminewidthbyonecommunicationsystemoronecommunicationmode.Intermsofoperatingmode,coalminecommunicationconsistsoffixedcommunicationandmobilecommunication；intermsofusingarea

6、,itconsistsofdispatchingandcommunicationsystemforminewidthandlocalcommunicationsystem•InChinaexplosionproofelectromagnetictelephonehasbeenemployedforminedispatchingandcommunicationinearlytime.In1980s。mine.usedanalogprogram—controlleddispatchingandcommunicationsystemweredeveloped,andin1990s,d

7、igitalprogram—ontrolleddispatchingandcomunicationsystemweredevelopedwithcapacityofhundredsoftelephonesinmineunderground,whichcouldmeetmaindispatchingandcomunicationrequirementsofvariouscoalmines-Mobilecommunicationsystemsforcoalmineincludesystemsof