电动汽车蓄电池组管理系统及其状态检测

ChineseLABATManNo.42009(233011)、3。。、/。、、。/TM912.6B1006-0847200912StudyonbatterymanagementsystemforEVanditsstatusdetectionLICheng-xue,DINGLei(DepartmentofEquipmentTechnology,ManagementInstituteofAutomobile,BengbuAnhui233011,China)AbstractThechangesofvoltage,currentandtemperaturearetheoperatingconditionsofbatteriesinEVs．Therearecentralizedanddistributedmeasurementstodetecttheoperatingconditionsofbatter-ies．Thispaperputsforwardanewwaycalledcentralized/distributeddetectionmethodwithbridge-ca-pacitytechnologywhichcansolvetheproblemsincludingreferencevoltageselectionandisolationofacellfromthetestingdevice．Thetestingresultsindicatethatthismethodhasagoodfunctionforcol-lectingthevoltagecurrentandtemperaturedatawhicharereliable．Keywordselectricvehicleautomobileengineeringbatterycentralized/distributeddetection1———。。、(BMS)[1]。、、。(、、)、(SOC)[2]、、2009-03-06186《》20094。。。90％80％。。。。()。2BMSBMS(ECU)[3]。(EV-3)BMS1。、SOC、3。、SOCCAN。(SBM)BMS1111。BMS、。MicronBMS[4]。38～48)90～400V。。[5]。。12V10V2～3V10％1V。2412V288V240V48V9V285V1％。1％。。。。187ChineseLABATManNo.42009。。。。3.1、[6]。。2。1。2CAN。3()。1。2。。。CAN[7]CAN。3.2(3)。(nn+1)()A/D[8]。“”。。()/。1。2。3。3.3/3188《》20094300V。6V12V、(4V、1.2V)。12V288V24。CAN[9]CAN110。“”、“”“”CAN。/、。/[10]。、、24。、2～8。4/。、、。．。。410A/D(2)CAN。2412V61222。。。。“”[11]。5。“”MCUK1MCUK1K2A/DMCUK2。。。。AQW212[12]。200。CAN。。41/。2“”。32412V121/189ChineseLABATManNo.42009β-PbO2。α-PbO2。α-PbO2100%DOD40%。6.3。。α-PbO2。。6.4、。7。[1],,.[J].,2006,(3):111-113.[2].[J].,2001,(1):21-22.[3],,,.VRLA[J].,2008,38(03):181.[4],.[J].,2004,34(06):424.[5].AGMVRLA[J].,2007,37(04):284.[6].[J].,2008,(2):84-86.、、/。:[1]．[J]．2003,(3)．[2]．[M]．l998,12.[3]．[D]．2004．[4]．SOC[J]．2004(1O)．[5]．HEV[J]．2004,(6)．[6]．CAN[M]．2003,6.[7]．[J]．2005,(7).[8],．[M]．2002,1l.[9],．CAN[J]．2004,(1).[10]．CAN[J]．2004,(5)．[11]．[M]．2005,1.[12]．MAXIM.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!184190