风向风速测量仪设计

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:2008207228.:(1972),,,..,(,214073):,,,,,,:;;;:TH76514:A:10062009X(2008)0420005206DesignofwinddirectionandspeedmeasurementsystemXuMing,ZhuQing2chun(JiangsuRadioScientificInstituteLimitedCo.,Wuxi214073,China)Abstract:Withthethoroughrecognitionofthewindinthenaturalworld,thesurveyofthewindisneededinmoreandmoresituations.Thisarticlemainlyintroducesasetofwinddirectionandwindspeedmeasurementsystemwhichhasthehighaccuracyandthelow2powerconsumption.Itsmaincharacteristicisthatthescopeofthewindspeedsurveyiswide,theaccuracyofthemeasurementisquitehighandthesensorusesthedigitalquantityoutputwhichenablesthereliabilitytobeveryhigh,thetransmittingrangetobefarandthelosingofthesystempowertobelow.Therefore,itcanputtousethesolarenergypowertosupplyelectricity.Itisappropriatetobeusedinfield.Keywords:winddirectionandspeedsurvey;averagewindvelocity;maximumwindvelocity;extremevelocity,,,,()()()[124](),1[528];©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,,,,3618,1,18,:V=011F(V:,:m/s;F:,:Hz),,218125,717,1(3;011m/s)(70m/s)(060m/s),,2,,(CPU)RS2232(2)2211(CPU),CPUPHILIPS8P89C58P89C5880C51,32kFLASH,128RAM34648I/OUARTP89C58P0,6©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:74HC373P89C58(12MHz)(74HC138)(74HC373)(X5045),CPU,,,(time2outinterval),RESET,112s,X5045VCC,,VCCVCC,VCC212ZQZ2TF:7,5VDCRC,74HC393774HC245CPU2131014VDCRS22325VDCMAX738MAX738PWMDC/DC,200kHz18VDC,5VDC5%,500mA,2A,85%MAX738,214,,,,15,10min11216030,21603064k,64k1SRAMHK1245,HK1245128k,10215RS2232CPUSCI,1RS2232RS2232MAX232MAX232EIA/TIA-232E,12V,,MAX232,15kVESD,,(1MBps)RS2232,3CKEILc31131111,,RS2232,X5045RS2232,:31112100ms11s1min()10min(1min)10min,,:7©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=(yn)/NnN,Yn=(yn-yn-N)/N+Yn-1nNYnn;ynn;ynn=1nyn;Na)3s()1s,3s33s,N=31s,3s33s,N=3b)1min1s,1min60,1minN=601s,1min60,1minN=60c)10min1min,10min101min,10minN=10,:E=yn-Yn-1-180E180,;E180,E180;E-180,E360;EYn,Yn360,Yn360;Yn0,Yn36031113,:a)()(),,,,,b)()()(),(:),,,,,,1min510(612s)()::20m/s;,75%10min66%,;31114,,(DS3231)3111531116RS223231117,,:(1)()8©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,a),;,;,;b),15min,;20min,c),20min,;25min,,,1min,,3min,,,,(2):11V,31118,1,10s131119,1,10s1311110ACAC,1,10s1311111():015Hz312,,,,,,,,3312114:,(1):;3QC;QC;QC;QC,;9©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(2):10min;10min;10min(3)RS2232(4)31212,,,:IO(1)IO(2)UART(3)31213DS3231Hk12454,-4085,,,5VDC,16V,,,:TVS,,TVS,(012W),:[1]GB/T1870922002[S].[2]GB/T1871022002[S].[3]QX/T4522007[S].[4]QX/T7422007[S].[5].[J].,1999,(1):16-22.[6],,,.[J].,2003,(3):7-16.[7],,,.[J].,2003,(2):1-11.[8],.[J].,2000,(4):41-42.01