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时间:2020-03-27
《应用椭圆齿轮流量计的内燃机油耗测量系统.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第24卷第9期传感技术Vo1.24No.9CHINESEJOURNALOFSENSORSSep.20112011年9月FuelConsumptionMeasurementSystemforInternalCombustionEngineBasedonEllipticalGearFlowmeterGA0Yabiao,LIHongyu,LIXingfei/1.StateKeyLaboratoryofPrecisionMeasuringTechnologyandInstruments,TianjinUniversity,Tian300072,Chi
2、na;2.CollegeofMechanicalandElectronicEngineering,ShandongUniversityofScienceandTechnology,QingdaoShandong266510,China)Abstract:Aflowmeterspecificallydesignedtomeasurefuelconsumptionofaninternalcombustionenginewasintro—duced.Accordingtofeaturesofthecombustionengine,twoellipt
3、icalgearsensorsrespectivelyconnectedtotheinletandoutlettubesoftheenginewereemployed.Meanwhile,thesecondaryinstrumentwasdevelopedtodisplaythemeasuringresults.Aninjectionpumptestbenchandapumpwereusedintheexperimenttoverifytheeffectivenessofthedesignedsystein.Theexperimentswer
4、etestedinthreeworkingconditionsoftheengineincludingmaximumpower,maximumtorque,andstartingspeed,andeachconditionintheexperimentwasrepeatedthreetimesinordertogetreliabledata.Theexperimentalresultsshowthattheflowmetercanworkinastableway,andtherelativeerrorsare0.8%intheworkingc
5、onditionofmaximumpower,0.9%inthemaximumtorque,and32.3%atthestartingspeedseparately.However,boththetwosensorshaveinternalleakagetosomedegree,andtheleakagedecreaseswithincreasingthespeedofthepump.Finally,theexperimentaldatahelpstoimprovethemeasurementaccuracyofthesysteminthef
6、ollowingtwoaspects:designingsuitableparametersofsensorsincludingsuitableendandtipclearance,andthesizeofmeasuringroomwhichshouldmatchtheengine’Spowercorrectly;compensatingtheerrorwithsoftware,thismethodissimplebutalotofexperimentsshouldbedonetogetaccuratelyfittedcorn—pensati
7、oncurve.Keywords:ellipticalgearflowmeter;fuelconsumptionmeasurementforcombustionengine;injectionpumptest;Hal】switchEEACC:7320Wdoi:10.3969/j.issn.1004-1699.2011.09.025应用椭圆齿轮流量计的内燃机油耗测量系统高雅彪,李洪宇,李醒飞h/1.天津大学精密测试技术及仪器国家重点实验室,天津300072;、\2.山东科技大学机械电子工程学院,山东青岛266510/摘要:介绍一种用于测量内燃机
8、耗油的流量计,以实现对动力机械的燃油控制,达到节能减排的目的。采用椭圆齿轮的测量形式,开发了二次仪表。利用一台喷油泵试验台进行了系统性能验证实验,根据内燃机的实际工
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