自动售货机制冷系统的设计

2511200811Mechanical&ElectricalEngineeringMagazineVol.25No.11Nov.2008:2008-06-27:(1983-),,,.E2mail:[e-mail]:,,,,.E2mail:[e-mail],,(,310014):,DS18B20ARMLPC2119GSM,:,:;DS18B20;;GSM:TP39:A:1001-4551(2008)11-0044-03DesignofvendingmachinecoolingsystemJINZhi2hua,YUShi2ming,XIEZhong2sai(CollegeofInformationEngineering,ZhejiangUniversityofTechnology,Hangzhou310014,China)Abstract:Aimingatrealizingrealtimesupervisingofvendingmachinecoolingsystem,akindofsystembasedonDS18B20,LPC2119andGSMwasdescribed.Thesystemincludedfunctionsofreal2timetemperaturecapture,real2timerunningstatusmo2nitorandlong2distancesupervisorycontrol.Experimentresultsprovethatthecoolingsystemhasanintelligentperformance,sim2plestructure,workssteadily,andhastheexcellentpracticalvalue.Keywords:vendingmachine;DS18B20;compressor;GSMwirelesstranslation0,24[122],,,[3],,,,,,,,1,9:GSMJTAGARMLPC2119LPC2119,410A/D,216C550UARTI2C(400kbit/s)2SPI,232PWM[4],1,GSM311.1DS18B20DALLAS12Wire,,1I/O,:-55+125,0.5[526]DS18B20ROM,1,,2,DS18B20,DS18B201,3;DS18B20,MOSFETLPC2119P0.26,DS18B20A/D2DS18B201.2,,,PS2501,SSR,,3min,,,1.3GSM,GSM,TC35iGSMSIM,33GSMTC35iGSMFlashROMGSM,AT,[7]LPC2119UART1,,9600bps,SP3232EEN,SMS,AT:AT+CSCA,AT+CMGS,AT+CMGD2,,,,:,(:N),2:M=(Tn-Tn+1)/Tn+1(1)(1),(Tn-Tn+1)NMP(P),;3MP,,,N,;P11,(1)M/()M1M2M3M4273.85%8.00%12.5%17.4%264.00%8.33%13.0%18.2%254.20%8.70%13.6%19.0%244.35%9.09%14.3%20.0%234.55%9.52%15.0%21.1%224.76%10.0%15.8%22.2%215.00%10.5%16.7%23.5%205.26%11.1%17.6%25.0%195.56%11.8%18.9%26.7%185.88%12.5%20.0%28.6%176.25%13.3%21.4%30.8%166.67%14.3%23.1%33.3%157.14%15.4%25.0%36.4%147.69%16.7%27.3%40.0%138.33%18.2%30.0%44.4%129.09%20.9%33.3%50.0%1110.0%22.2%37.5%57.1%1011.1%25.0%42.9%66.7%912.5%28.6%50.0%80.0%5411,:1,M1,M2,M3,M4,N,1,2,3,4(1)M1,P,,,;P,,,N=25min,P=11%,,Tn,25min,Tn+1Tn20,(Tn-Tn+1)3;10Tn20,(Tn-Tn+1)2;Tn10,(Tn-Tn+1)13,,,,43:SMS4DS18B20,:DS18B20()ROMSMSPDUUCS24,4LPC2119TC35iGSM,,,,,,,,,(References):[1],.[J].,2003,(5):123-125.[2].[J].,2003,13(12):141-142.[3]GUHong,QIAOShuang,TIANJiang.AWirelessVendingMachineSystemBasedonGSM[C]//Proceedingsofthe6thWorldCongressonIntelligentControlandAutomationDalian:[s.n.],China,2006:8501-8504.[4],.ARM72LPC213x/214x()[M].:,2005.[5],,,.PIC[J].,2008,18(1):39-42.[6],,.P89LV51RD2[J].,2008,10(2):20-23.[7],.TC35iGSM[J].,2006,(1):78-79.[:]6425