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1、Subject:BasedontheembeddedARMmineusingsensordetectinginstrumentSpecialty:DetectionTechnologyandAutomationEquipmentName:GuanKe(Signature)Instructor:SongBai(Signature)ABSTRACTInrecentyears,thecoalwork"safetyforproduction,productionneedsafety"spokenwinsupportamongthepeople,accordi
2、ngtoeverythingfromsecurityconsiderations,thesensortimecalibrationisveryimportant,stateoftheminegassensorfordetectionofperiodicstates:"thesafetymonitoringequipmentmustbeperiodicallydebugging,correction,atleast1timespermonth;methanesensor,portablemethanealarmdetectorusingcarrierc
3、atalyticelementmethanedetectionequipment,every7daysmustbecalibratedusingthegasandtheairsampleset-ups1;every7daystomethaneoverrunpower-downfunctiontest.MinegassensordetectionsystemisthebasisofthestateproductionsafetysupervisionandManagementBureauissuedaseriesofminegassensorindus
4、trystandards,throughthedetectionofminegassensortoworknormallywhentheoutputvaluesignalsautomaticallygivesminegassensordisplaythevalueofbasicerror,stability,responsetimeandalarmfunctionsevaluationresults,inordertoquicklyandeasilycompleteminegassensor-Periodicinspectionwork,guaran
5、teethesafeproductionofcoalmine.Basedontheresearchofcoalminegassensordetectionprinciplefoundation,basedonthedesignoftheARM9detectionsystemandembeddedprintingsystemintwoparts,atthesametimeputforwardandminegassensorisadaptedtodetectthecoreparametercalculationmethodandprogram.Detec
6、tionsystemiscomposedofhardwarecircuitandsoftwareprogram.Amongthem,thehardwarecircuitisdividedintothreemodules:powersupplymodule,signalprocessingmoduleandmaincontrolmodule.Eachmodulecanbeclassifiedbyfunctionofdifferentfunctionalcircuit,suchas:thepowersupplymoduleisdividedintothe
7、sensorpowersupply(DC9~24Vadjustable),signalacquisitionchippowersupply(DC9V),themaincircuitpowersupply(DC5V),maincontrolchipandthememorychippowersupply(DC3.3V);signalprocessingmoduleisdividedintosignalacquisitioncircuit,signalprocessingcircuit,asignalstoragecircuitandasignaltran
8、smittingcircuit;themaincontrolmodulecontainsthemaincon
