基于单片机的智能锅炉控制系统设计

基于单片机的智能锅炉控制系统设计张秀松,范美芳,何仲(510635):详细介绍了一款基于单片机的智能锅炉控制系统的设计该系统能根据锅炉现场检测的各个状态做出实时精确的自动控制,如实现温度压力水位等的监控,具有事件与参数记录数码管显示报警系统参数设置手自动切换控制及与网络打印机通信的功能能够快速稳定安全可靠地对工业锅炉进行智能化控制:智能锅炉;单片机;自动控制;安全性:TP3681:B:1004373X(2006)1311804ADesignofIntelligentBoilerControlSystemBasedonSingleChipZHANGXiusong,FANMeifang,HEZhong(GuangdongPolytechnicNormalUniversity,Guangzhou,510635,China)Abstract:Thispaperintroducesadesignofintelligentboilercontrolsystembasedonsinglechip.Thissystemcandotherealtimepreciseautomaticcontrolaccordingtoeachconditionexaminedfromtheboilerscene,suchasrealizesthemonitoringofthetemperature,thepressure,thewaterlevelandsoon.Ithastheeventandparameterrecord,thedigitaltubedisplay,reportstothepolice,thesystemparameterestablishment,thehandautomaticallycutsofthecontrolandwiththenetwork,theprintercorrespondencefunction.Itcanbefast,stable,safe,reliablecarriesontheintellectualizedcontroltotheindustryboiler.Keywords:intelligentboiler;singlechip;automaticcontrol;security:200601141,,,,,,,,,PLC,,,,,PLC,,,,,,,2,,,,,:(1),(2),/(3)(4)1AT89C52,8255,,A/DAT89C52,82558,,118工控技术:,,,图1系统设计原理框图3:,,ROM,RAM,I/O,,,,,,;,,A/DD/A:(1),(2),,(3),:,(4):3.1CPU模块,,,,I/O,,,,AT89C52AT89C52,8CMOS8kB,256BRAM,32I/O,316/,6,CPU,RAM/,,,,RAM,AT89C52,,,3.2A/D转换电路设计,,,,A/DA/D(0~450),LED,A/D05%ADC0809ADC08098A/D,8,,0~5V,100s,,TTL,MCS51AT89C52[1]3.3时钟电路设计,,,,,DSl2887DSl2887,CMOS,,:,;1224;128B,14B,114BRAM;;3:;IntelMotorola;BCD,DS12887AT89C522DS12887[2]图2DS12887时钟芯片与AT89C52的接口电路3.4事件和参数记录设计,,,119!∀200613228!,,E2PROMI2CAT24C32E2PROMAT24C32ATMELE2PROM,CMOS,1.8~55V,(:08~3mA,:3~18A),,,AT89C52P14,P15AT24C32/AT89C52[3]3.58位数码管显示电路设计,,MCS51,,LED,,,MAXIM8LEDMAX7219,3,8LED,,,AT89C52P10,P11,P12MAX7219LOADMAX7219[4]3.6现场数据采集与输出设计,,8,I/O,I/O38255A8255AIntelI/O,38I/O,PA,PB,PC,PC44,I/OAT89C52[1]3.7抗干扰电路设计,,,,,,PCB,WATCHDOG,813L,813L,(MPU)(MCU)8,,,,44.1系统软件设计的特点,:(1);(2),;(3),,;(4),;(5),#∃;(6),,,4.2软件抗干扰的方法,:程序结构化,功能模块化,,,,,,设置#令牌∃,,,,,4.3总程序流程图3120工控技术:图3系统总程序流程图5,,LED,;,,,,,,,,参考文献[1],.[M].:,2003.[2].DS12887[J].,2005(7):4748.[3],.I2CE2PROM[J].,2001,15(2):2830.[4],,,.8LEDMAX7219[J].,2005(1):2729.[5],,.[J].,2005,28(17):9293,97.张秀松女,1960年出生,硕士,讲师主要从事电气自动化专业的教学和科研工作研究方向为电机及嵌入式系统应用研究(上接第117页)outportb(0x2fd,0x00);/**/outportb(0x2fb,0x80);/**/outportb(0x2f8,0x60);/*=1200,*/outportb(0x2f9,0x00);/**/outportb(0x2fb,0x03);/**/outportb(0x2fc,0x00);/**/MCS511,:movtmod,#20h;T12movth1,#0cch;=12008movtl1,#0cch;8movscon,#50h;1movpcon,#00h;smod=05,,,8,,72%,1%图8上位机屏幕显示炉温变化曲线及动态值参考文献[1].[M].:,1999.[2].[M].:,2000.[3],.[M].:,2004.[4].CMCS51[M].:,2003.121!∀200613228!