3、vingenvironment seriouslymoreandmore,soitiswidely used innaturalgas,coalgas bringsgreatconveniencetopeople, atthesametime alsobring potentialdanger.Inrecentyears,moreandmorepeople usingnaturalgasasfuelformore security,leadingtothe gas fuel gas caused by negligence, the family ofg
4、aspoisoningand explosion intheminority,so one can timelyandaccurately isveryimportantto checkthegas leakagealarmdevice.Thisdesignsthe coredeviceof gassensorbasedon singlechipmicrocomputer and thecombustiblegasleakage alarmdesign,cooperatewithother devicescanachieve theindoortempe
5、rature displayand alarmfunctions. Thedesignof MCUasthecontrol device, the gassensorfor detection of combustiblegas. Thealarm ismainlycomposedofsinglechipcomputer controlsystemcircuit,analogtemperaturesignal acquisitionand signalconversioncircuit and gas, soundandlightalarmcircuit