电动车充电站毕业论文电动车充电站毕业论文电动车充电站充电电路设计学院：电子与电气工程学院专业：电子信息工程电动车充电站充电电路设计PAGEIII电动车充电站充电电路设计[摘要]随着电动车的普及，电动车充电技术也受到人们的关注。我国的电动车用动力蓄电池大多为铅酸蓄电池，这主要是由于铅酸蓄电池具有技术成熟、成本低、电池容量大、跟随负荷输出特性好、无记忆效应等优点。但传统的常规充电时间过长，快速充电技术至今仍未能完全解决，严重地制约着电动车的发展。基于此，本文提出了一种用于全密封免维护铅酸蓄电池的智能充电设计方案，针对蓄电池充电过程中出现的种种问题，分析解决方法，提出一种可对铅酸蓄电池实现四段式慢脉冲充电的智能充电设计方案。控制开关电源的脉冲频率和占空比，从而调节充电电流和电压，实现对蓄电池的分级慢脉冲充电。这个方案不仅可实现快速充电，同时可以减少析气，消除硫化，进行均衡充电，从而大大地延长了铅酸蓄电池的使用寿命。[关键词]慢脉冲充电；蓄电池；单片机；智能ChargingCircuitDesignofElectricVehicleChargingStationAbstract:Withthepopularityoftheelectriccar,Electricvehiclechargingtechnologyisalsogottheconcernofthepublic.Inourcourtry,leadacidbatterywhichisusedaselectricvehiclepowerbatteryoccupiedaverybigmarket.Thisismainlyduetothelead-acidbatteryhasmaturetechnology,lowcost,batterycapacity,withloadoutputcharacteristicsandnomemoryeffects,etc.Butthetraditionalconventionalchargingtimeistoolong,fastchargingtechnologyisstillnotfullyresolved,seriouslyrestrictedthedevelopmentoftheelectriccar.Basedonthisstatus,itputsforwardakindofsealfreemaintenancelead-acidbatteryusedforintelligencechargedesignschemeinthisthesis.Withregardtoallsortsofproblemsforbatterychargingappearedintheprocess,analyzestheexistingsolutions,andputforwardakindofleadacidbatterytorealizefourstagesofintelligentchargingslowpulsechargerdesignscheme.Controlofswitchpowerpulsefrequencyanddutycycle,whichregulateschargingelectriccurrentandvoltage,andtorealizetheclassificationbatterychargingwithslowpulse.Theschemenotonlymakerapidcharging,atthesametimecouldreducegaschromatography,eliminatevulcanization,chargingforequilibrium,thusgreatlyextendedtheleadacidbatteryservicelife.Keywords:Slowpulsecharging;HYPERLINK"app:ds:storage"\t""storageHYPERLINK"app:ds:battery"\t""battery;single-chipmicrocomputer;intelligent目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc324411883"1引言PAGEREF_Toc324411883\h1HYPERLINK\l"_Toc324411884"1.1课题研究背景及意义PAGEREF_Toc324411884\h1HYPERLINK\l"_Toc324411885"1.2课题研究的内容PAGEREF_Toc32441188