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《浅析接近开关的选型与性能测定（analysis of type selection and performance measurement of proximity switch）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、浅析接近开关的选型与性能测定（Analysisoftypeselectionandperformancemeasurementofproximityswitch）AnalysisoftypeselectionandperformancemeasurementofproximityswitchAbstract:classificationandstructureofproximityswitchesaredescribedinthispaper.Theselectionofproximityswitchesandthedeterminationofth
2、emaintechnicalindicatorsofproximityswitchesarediscussedfromthematerialofthedetectedobject.Keywords:classification,structuredesign,typeselection,performancetest1.overviewTheproximityswitchisaswitchpositionwithoutmechanicalcontactwiththemovingpartsandcanoperate,whentheobjectisclo
3、setotheswitchsensorsurfacetomovedistance,withoutmechanicalcontactandapplyanypressuretomaketheswitchaction,therebydrivingtheACorDCelectricalorcomputerdevicetoprovidecontrolinstructions.Theproximityswitchisaswitchtypesensor(i.e.nocontactswitch),itisthecharacteristicsofthetravelsw
4、itch,microswitch,andthesensingperformance,andreliableoperation,stableperformance,fastfrequencyresponse,longservicelife,stronganti-interferenceability,andhastheadvantagesofwaterproof,shockproof,corrosionresistanceandothercharacteristics.Theproductshaveinductancetype,capacitancet
5、ype,Holzertype,ACandDCtype.Proximityswitch,alsocalledcontactlessproximityswitch,isanidealelectronicswitchsensor.Whenthesensingareaofmetaldetectionbodyclosetotheswitch,theswitchcanbenon-contact,nopressure,nospark,quicklysendelectricalinstructions,accuratelyreflectthemovementmech
6、anismandlocationofthetrip,evenforstrokecontrolingeneral,thepositioningaccuracy,operationfrequency,servicelife,convenientinstallationandadjustmentandtheharshenvironmentforabilityiscomparedtothegeneralmechanicalswitchcannot.Itiswidelyusedinmachinetool,metallurgy,chemicalindustry,
7、textileindustryandprintingindustry.Inautomaticcontrolsystem,itcanbeusedaslimit,count,positioncontrolandautomaticprotectionlink.Theproximityswitchhasthecharacteristicsoflongservicelife,reliableoperation,highrepeatability,highprecision,nomechanicalwear,nospark,nonoise,strongvibra
8、tionresistanceandsoon.Sofar,theapplicationscopeofproxi
