©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.),,19616,19837,,312000,5:2002207201,:20022082121),,TH7A1006-4877(2002)06-0043-02,,,,,,,,,,,,,1,,,,,,1.1,Ld:K=L/d,,,,216001,,,,,50%,,,,[1],3001,10m,10300115=0105(m),10m,0105m,:1KdL(rad),(d/L)180()1.2,,,,,018m110m116m212m319m,110m212m319m(,);510m;810m1410m1.3,,,Raytek95%,1ms,,,,,,,,1.4,:1%(),600,6,,,,,1.534TAIYUANSCI-TECH200261226©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2],3,,:2.1,,,,,,,,,2.2,2.32.4,,3,,,,,,,,,,,,[1]..:,1998.[2]..:,1994.()TheCorrectSelectionandApplicationofInfraredRayThermometersShaoxingCollegeofArtsandSciencesZhangAiquanAbstract:Thispaperexpoundsthetechnologyperformancedateofinfraredraythermometers,introducesthebasicprinciplesonhowtose2lectthiskindofinstrument,pointsoutmattersneedingattentioninuseinfraredraythermometers.Keywords:infraredraythermometer,technologyperformance,environmenteffect(42)DigitalIntegrationandtheLowVoltageSwitchSetDesignInstituteofTaiyuanIronandSteel(Group)Co.Ltd.ZhengXiaojinAbstract:thispaperintroducesthebasicstructureofthedigitalmonitoringsystemandtheadvantagesofdigitalfunctionalmodules,andshowsanexampleofthetypicalfixedfunctionalmodule.Italsoprospectsthedevelopingfutureofthelowvoltageswitchset.Keywords:thedigitalmonitoringsystem,intelligentmodule,intelligentelectricalequipment,intelligentswitchchassis44200261226TAIYUANSCI-TECH