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1、纯电动车电力驱动系统设计[摘要]:我国是个人口大国,随着近些年我国国民经济的快速发展,人们的生活水平不断提高,汽车的需求和保有量都迅速的加大,而由此引发的对能源的消耗,环境的影响问题渐渐严重。发展具有零排放、高能源效率的纯电动汽车显得尤为重要。电动汽车是以电力作为能源、由电机驱动的的汽车。电动汽车具有结构简单、使用方便和节能环保以及小噪声的特点。所以发展电动汽车符合我国的基本国情。电动汽车动力总成主要包括能源系统、驱动系统。动力总成是电动汽车最重要的子系统,决定了整车的动力性和经济性,是电动汽车产业化的关键。本文对动力传动系部件的设计参数进行研究,根
2、据纯电动汽车性能要求进行主要参数的设计及匹配,通过对概念车型的计算,验证该概念车辆动力性能的可行性。分析影响续驶里程、最高车速和最大爬坡度的各种因素,提出能够很好地提高电动汽车动力性能的措施和方法。进一步计算主要参数,分析电动汽车的结构和参数以及传动机理,选择适当的驱动电动机、储能装置,选取适当的变速装置设计纯电动汽车的电力驱动系统。[关键词]:电动汽车电力驱动系统参数匹配传动系统PureelectricvehicleselectricdrivesystemdesignAbstract:Ourcountryispopulouscountryinrec
3、entyears,withtherapiddevelopmentofChina'snationaleconomy,people'slivingstandardsimprove,demandforcarsandownershiparerapidlyincreasing,andtheconsequentenergyconsumption,theimpactofenvironmentalissuesgettingserious.Developmentofzero-emission,energy-efficientelectriccarisveryimpor
4、tant.Electricvehiclesbasedonelectricityasanenergysource,drivenbythemotorcar.Electriccarshaveasimplestructure,easytouseandenergysavingfeaturesandasmallnoise.Therefore,thedevelopmentofelectricvehiclesinlinewithChina'sbasicnationalconditions.Electricvehiclepowertrainincludingenerg
5、ysystems,drivesystems.Electricvehiclepowertrainisthemostimportantsubsystemdeterminesthevehicle'spowerandeconomy,andiskeytotheelectricvehicleindustry.Inthispaper,thedesignparametersofpowertraincomponentsresearch,design,andmatchedaccordingtothemainparametersofapureelectricvehicle
6、performancerequirements,bycalculatingtheconceptmodelstoverifythefeasibilityoftheconceptvehicledynamicperformance.Analyzetheimpactofvariousfactorsdrivingmileage,maximumspeedandmaximumgradeabilityproposedcouldwellimprovetheperformanceofelectricvehiclemeasuresandmethods.Furthercal
7、culationsmainparameters,aswellasanalysisofthestructureandparametersofthetransmissionmechanismofelectricvehicles,selecttheappropriatedrivemotor,energystoragedevices,selecttheappropriateelectricvehicletransmissiondesignelectricdrivesystems.Keywords:electriccars,electricdrivesyste
8、ms,parametermatching,transmission目录引言11.绪论21.1研究背景及意义2