基于AT89C51单片机的喷射混凝土厚度无损检测仪

AT89C51(,210024):AT89C51:;;;:TG115.28:A:100026656(2002)1120467202AT89C51CHIPMICROPROCESSORBASEDNONDESTRUCTIVETHICKNESSGAUGEFORSPRAYEDCONCRETESUNRu2jian(GeotechnicalEngineeringDepartment,NanjingHydraulicResearchInstitute,Nanjing210024,China)Abstract:TheapplicationofAT89C51chipmicroprocessortothethicknessgaugeforsprayedconcretewasdescribed.Thetestingprinciplebyneutron,thecompositionofthesystemandthefunctionsofsoftwaremoduleswererepresented.Keywords:Nondestructivetesting;Concrete;Chipmicroprocessor;Thicknessmeasurement,,,1[1],,(),,,,,:2002201208NN0=A+BdNN0ABd,,,,20,A,B2,12.127642411200211NDTVol.24No.11Nov.2002©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1,,2.2ATMELAT89C51,CMOSLCD,,,3NN0MdN0,A,B,READY,,,FAST(15s)NORM(1min)SLOW(4min),,;,,4[2]AT89C514KFLASHP1,T0,T1,INT0INT1LCD,ICM7211LCD,MC4054LCD,12CMOS,CPU,,CPU,,3.7mA33,,CPU,,225,MCS251,,,,,,,,,35345(487)864:AT89C51©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,44,,,EPROM,DPA2,,,,,(),APD,,EPROMfn0,fn0,,,[1],83ns(12MHz),50%,EPROM()[4],,,RS2232,,,,4,,,,,,,,CTVSS[5],,,,:[1],.[J].,1999,18(12):12,41-48.[2].[J].,2000,(1):49-58.[3].[M].:,1995.[4],.[M].:,1996.[5]GBPT12969.21991,[S].(468):[1],,.[R].:,1993.[2],.[M].:,1988.784:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.