纯电动车数据库

纯电动车数据库检索词1："pureelectricvehicle":88patents.PAT.NO.Title17,890,240Brakesystemfaultpedalgainchangemethodandsystem27,867,653Alkalinestoragebatterysystem37,867,125Rearwheeldriveapparatusforfourwheeldrive(4WD)hybridelectricvehicle47,863,789Brushlesspermanentmagnetmotor/generatorwithaxialrotordecouplingtoeliminatemagnetinducedtorquelosses57,830,689Powerconverter67,829,220Hydrogenstoragealloyforalkalinebatteryandproductionmethodthereof,aswellasalkalinebattery77,820,327Lithiumtitanateandlithiumcellsandbatteriesincludingthesame87,820,137Lithiumtitanateandmethodofformingthesame97,804,277Apparatusforestimatingstateofchargeofsecondarybattery107,750,640Electromotiveforcecomputingdeviceandstateofchargeestimatingdevice117,742,303Electricpowerconverter127,739,023Adaptivecruisecontrolsystemandmethodforvehicle137,728,598Methodandapparatusforestimatingthecharge/dischargeelectricityamountofsecondarybatteries147,710,073Secondarybatterymodule,batteryinformationmanagementdevice,batteryinformationmanagementsystem,secondarybatteryreusesystem,secondarybatteryrecoveryandsalessystem,secondarybatteryreusemethod,andsecondarybatteryrecoveryandsalesmethod157,688,033Methodfordetectingstateofsecondarybatteryanddevicefordetectingstateofsecondarybattery167,651,177Methodforcontrollingregenerativebrakingofelectricvehicle177,630,842Secondarybatterycharge/dischargeelectricityamountestimationmethodanddevice,secondarybatterypolarizationvoltageestimationmethodanddeviceandsecondarybatteryremainingcapacityestimationmethodanddevice187,624,828Vehiclepowertransfersystemandmethod,andvehicleusingthesame197,607,501Coolingsystemforavehiclebattery207,606,053DC-to-DCconverterandelectricmotordrivesystemusingthesame217,597,408Methodforcompensatingregenerativebrakingamountwhenregenerativebrakingofvehiclefails227,586,288Manufacturingmethodofsecondarybattery,restrainingjigforsecondarybattery,charging/dischargingdeviceforsecondarybattery,andchargingdeviceforsecondarybattery237,573,219Drivebeltslipdetection247,561,448Powerinverter257,557,584Methodanddeviceforestimatingcharge/dischargeelectricityamountofsecondarycell267,541,016Lithiumtitanateandmethodofformingthesame277,528,575Methodandapparatusforcorrectingvoltageofsecondarybattery,andmethodandapparatusforestimatingstateofchargeofsecondarybattery287,523,770Servicestationforservingrequirementsofmultiplevehicletechnologies297,521,824Contactorcontrolapparatusandcontactorcontrolmethodforuseinelectricvehicle307,475,747Electricorhybridvehiclewithaspareelectricmotorpowersource317,464,780Systemandmethodforrecoveringregenerativepowerinavehicle,andvehicleusingthesame327,456,612Methodforestimatingpolarizationvoltageofsecondarycell,methodanddeviceforestimatingremainingcapacityofsecondarycell,batterypacksystem,andvehicle337,355,411Methodandapparatusforestimatingstateofchargeofsecondarybattery347,339,351Methodandapparatusforestimatingremainingcapacityofsecondarybattery357,288,868Motorgenerator367,242,196Powersupplycontrollerapparatusfordetectingweldingofcontactors377,238,446Activeelectrodecompositionwithconductivepolymericbinder387,198,335Methodandsystemforcontrollingregenerativebrakingofafourwheeldriveelectricvehicle397,196,493Closedloopcontrolofbatterypowerlimitsbasedonvoltage407,167,783Apparatusandmethodforcontrollingregenerativebrakingofanelectricvehicle417,112,387Batterypowersupplydevice427,074,470Protectivesleeveformotorcomponent437,026,792Apparatusandmethodforcontrollingoutputofsecondarybattery,batterypacksystem,andelectricvehicle447,025,159Coolingsystemforavehiclebattery456,997,096Bindingcordformotorforelectricvehicle466,984,909Motor476,953,638Fluid-cooledbatterypacksystem486,933,728Methodandapparatusformeasuringvoltageofbatterymoduleofelectricvehicle496,919,726Leakagedetectionapparatusandmotorcar506,909,216Motorgenerator516,893,771Batteryassembly526,886,356Carair-conditioningsystem536,841,972Methodforresettingastateofchargeofabatteryofahybridelectricvehicle546,837,321Hybridelectricvehicleincorporatinganintegratedpropulsionsystem556,820,706Methodandsystemforhydrogenpoweredinternalcombustionengine566,812,670Batterycontroldevice576,759,832Devicefordetectingabatteryconditionbasedonvariationsinbattervoltage586,759,034VerylowemissionhybridelectricvehicleincorporatinganintegratedpropulsionsystemincludingahydrogenpoweredinternalcombustionengineandahighpowerNi-MHbatterypack596,727,670Batterycurrentlimiterforahighvoltagebatterypackinahybridelectricvehiclepowertrain606,702,678Powertransmissionbymagnetizedballcoupling616,639,798Automotiveelectronicsheatexchanger626,639,409Batteryvoltagemeasurementdevice636,639,408Batteryvoltagemeasurementdevice646,611,128Devicefordetectingabatterycondition656,586,940Capacityestimationmethod,degradationestimationmethodanddegradationestimationapparatusforlithium-ioncells,andlithium-ionbatteries666,575,258Electriccurrentandcontrolledheatco-generationsystemforahybridelectricvehicle676,565,836VerylowemissionhybridelectricvehicleincorporatinganintegratedpropulsionsystemincludingahydrogenpoweredinternalcombustionengineandahighpowerNi-MHbatterypack686,557,655Hybridelectricvehicle696,504,342Batterypack706,501,250Deviceandmethodforcontrollinginput/outputofsecondarybattery716,484,833Apparatusandmethodformaintainingstateofchargeinvehicleoperations726,478,100Superchargedhybridelectricvehicle736,465,988Charging/dischargingcontroldeviceandmethodforcancelingmemoryeffectinsecondarybattery746,459,980Vehiclebrakedwithmotortorqueandmethodofcontrollingthesame756,417,670Accuratebatterycurrentmeasurementsystemforabatterycareunit766,413,670Highpowernickel-metalhydridebatteriesandhighpoweralloys/electrodesforusetherein776,330,925Hybridelectricvehicleincorporatinganintegratedpropulsionsystem786,313,592Methodforcontrollingamotorvehiclehavinganelectricdrivemechanism796,291,100Electrodecompositioncomprisingdopedtungstenoxidesandelectrochemicalcellcomprisingsame805,915,801Regenerativebrakecontrollerforcontrollingvalueofregenerativebrakingtorquesimulatingenginebrakingtorque815,856,047Highpowernickel-metalhydridebatteriesandhighpowerelectrodesforusetherein825,851,698Nickel-metalhydridebatterieshavinghighpowerelectrodesandlow-resistanceelectrodeconnections835,619,956Auxiliarypowerunitforhybridelectricvehicle845,606,946Auxiliarypowerunitforahybridelectricvehicle855,497,323Tripcomputerwithretroactivereset865,469,820Auxiliarypowerunitforahybridelectricalvehicle875,363,939Safe,lowemissions,lowcost,automobile885,264,764Methodforcontrollingtheoperationofarangeextenderforahybridelectricvehicle检索词2："batteryvehicle":3504patents.PAT.NO.Title17,947,387Temperaturecontrollingapparatusforbattery,vehicleapparatususingthesame,andcontrollingmethodthereforUnitedStatesPatent7,947,387Saito,

etal.May24,2011AbstractInanECU,acoolantfanperformscoolingoperationsuchthatacontrolDUTYvalueislimitedbyacontrolDUTYvalueaccordingtotolerablenoiselevelofthecoolingfanbasedonavehiclespeedinacaseinwhichthetemperatureinthehigh-voltagebatteryislowerthanapredeterminedlimitationforhighesttemperature.Inacaseinwhichthetemperatureinthehigh-voltagebatteryishigherthanthepredeterminedlimitationforhighesttemperature,thecoolingfanperformsthecoolingoperationbyusinganenergystoragedevicecoolingoperationrequirementvalueandanIPUcoolingoperationrequirementvaluesuchthatperformanceinthehigh-voltagebatteryisnotaffected.Bydoingthis,atemperaturecontrollingapparatusforbatteriesinwhichitispossibletocoolthebatteryandsolvetemperaturedifferenceamongapluralityofbatteriescanbeprovided.Inventors:Saito;Mitsunobu(Shioya-gun,JP),Kayano;Morio(Utsunomiya,JP),Maeda;Tomohiko(Utsunomiya,JP),Murakami;Hiroshi(Saitama,JP),Ota;Kazushi(Utsunomiya,JP)Assignee:HondaGikenKogyoKabushikiKaisha(Tokyo,JP)

KeihinCorporation(Tokyo,JP)Appl.No.:12/793,818Filed:June4,2010RelatedU.S.PatentDocumentsApplicationNumberFilingDatePatentNumberIssueDate<TD<TD>10315080Dec.,20027767354<TD<TD>ForeignApplicationPriorityDataDec12,2001[JP]2001-379063CurrentU.S.Class:429/62;429/61CurrentInternationalClass:H01M10/50

(20060101)ReferencesCited[ReferencedBy]U.S.PatentDocuments6138466October2000Lakeetal.6444350September2002Toyaetal.ForeignPatentDocuments09-092347Apr.,1997JP9-92347Apr.,1997JP10-341505Dec.,1998JP2000-36327Feb.,2000JPOtherReferences

MachinetranslationofJP09-092347.citedbyexaminer.

OfficeActionissuedonJul.3,2007,onthecounterpartJapanesePatentApplicationNo.2001-379063,withEnglishtranslation.citedbyother.

PrimaryExaminer:Lee;Cynthia

Attorney,AgentorFirm:Westerman,Hattori,Daniels&Adrian,LLPParentCaseText

INCORPORATED-BY-REFERENCETORELATEDAPPLICATION

ThisapplicationisadivisionalapplicationofU.S.Ser.No.10/315,080,filedDec.10,2002,andisbaseduponandclaimsthebenefitofpriorityfrompriorJapanesePatentApplicationNo.2001-379063,filedDec.12,2001,theentirecontentsofwhichareincorporatedbyreference.Claims

Whatisclaimedis:

1.Atemperaturecontrollingapparatusforbatteriesofavehicle,comprising:apluralityofbatteriesconnectedtoeachother;acoolingfanforsendingcoolingairtothepluralityofbatteries;apluralityoftemperaturemeasuringmeansformeasuringatemperatureofeachofthepluralityofbatteries;atemperaturedifferencecalculatingmeansforcalculatingatemperaturedifferenceamongthepluralityofbatteries;acontrollingmeansforsettingandcontrollinganelectriccurrentsuppliedtothecoolingfanaccordingtothetemperaturedifferenceamongthepluralityofbatteries,ancurrentlimitingdeviceconfiguredtolimittheelectriccurrenttothecoolingfanaccordingtothedrivingspeedofthevehicle,aspeedmeasuringmeansformeasuringdrivingspeedofthevehicle,andalimitationcancellingdeviceconfiguredtocancelthelimitationoftheelectriccurrenttosaidcoolingfanmadebythecurrentlimitingdevicewhenthedrivingspeedofthevehiclecannotbeobtainedfromthespeedmeasuringmeansforapredeterminedperiodoftimeduringwhichelectricityischargedtoordischargedfromthepluralityofbatteries,whereinthepluralityofbatteriesareconfiguredtosupplyelectricpowertoamotorfordrivingthevehicleorareconfiguredtosupportanoutputofanengineofthevehicleandstoreenergywhichisregeneratedbythemotorduringdecelerationofthevehicle.

2.Thetemperaturecontrollingapparatusaccordingtoclaim1,furthercomprisingalimitationclearingdeviceconfiguredtocancelthelimitationoftheelectriccurrenttosaidcoolingfanmadebythecurrentlimitingdevicewhenthetemperatureofthepluralityofbatteriesriseshigherthanapredeterminedlimitforhighesttemperature.

3.Amethodforcontrollingatemperaturecontrollingapparatus,comprising:measuringatemperatureofeachofapluralityofbatterieswhichareconnectedtoeachother;calculatingtemperaturedifferencesamongsaidpluralityofbatteries;measuringadrivingspeedofthevehicle;settingandcontrollingafirstcurrentvaluesenttoacoolingfanforsendingcoolingairtosaidpluralityofbatteriesaccordingtothetemperaturedifferencesamongsaidpluralityofbatteries,saidfirstcurrentvaluebeingsetsuchthatifthedetectedtemperatureofthebatteryhavingthehighesttemperatureexceedsapredeterminedtemperaturevalueoriftheestimatedheatgenerationofthebatteryhavingthehighesttemperatureexceedsapredeterminedheatgenerationvalue,thenthefirstvalueissetasafunctionofthedetectedtemperatureofthebatteryhavingthehighesttemperatureandtheestimatedheatgenerationofthebatteryhavingthehighesttemperatureinathree-dimensionalmap;settingandcontrollingasecondcurrentvaluesenttothecoolingfanaccordingtothetemperaturedifferencebetweenthehighesttemperatureandlowesttemperatureamongsaidpluralityofbatteries;choosingthelargercurrentvaluebetweenthefirstcurrentvalueandthesecondcurrentvalue;limitingthecurrentaccordingtothedrivingspeedofthevehicle;andcontrollingsaidcoolingfanaccordingtothecurrentvaluechoseninsaidchoosingstep,whereinthepluralityofbatteriesareconfiguredtosupplyelectricpowertoamotorfordrivingavehicle,orareconfiguredtosupportanoutputofanengineofthevehicleandstoreenergywhichisregeneratedbythemotorduringthedecelerationofthevehicle,whereinasthetemperatureofthepluralityofbatteriesbecomeshigher,theamountofelectriccurrentbeingsuppliedtothecoolingfanisincreased,andwhereinasthetemperaturedifferenceamongthepluralityofbatteriesbecomeslarger,theamountofelectriccurrentbeingsuppliedtothecoolingfanisincreased.

4.Themethodaccordingtoclaim3,furthercomprisingcancelingthelimitationoftheelectriccurrenttosaidcoolingfanmadeinthecurrentlimitingstepifthetemperatureofthebatteriesriseshigherthanapredeterminedlimitationforhighesttemperature.

5.Themethodaccordingtoclaim4,furthercomprisingcancelingthelimitationoftheelectriccurrenttosaidcoolingfanmadebythecurrentlimitingdevicewhenthedrivingspeedofthevehiclecannotbeobtainedinthemeasuringstepforapredeterminedperiodoftimeduringwhichcurrentischargedtoordischargedfromthepluralityofbatteries.Description

BACKGROUNDOFTHEINVENTION

1.FieldoftheInvention

Thepresentinventionrelatestoatemperaturecontrollingapparatusforbatteriesforcoolingapowersupplyingdevicewhichiscarriedonavehicle.Also,thepresentinventionrelatestoavehicleapparatususingthesame.

2.DescriptionofRelatedArt

Ordinarily,drivingforceofelectricenergyforvehiclessuchasanElectricVehicles(hereinaftercalledEVs)andHybridElectricVehicles(hereinaftercalledHEVs)canbeobtainedbygeneratingathree-phasealternatingcurrent(hereinaftercalled3-phaseAC)byinvertingthecurrentsentfromahigh-voltagebatterybyaninvertersoastorotatea3-phaseACmotor.Also,incontrast,thevehicleusestheenergyefficientlybystoringtheenergywhichisregeneratedbyregeneratingoperationofthe3-phaseACmotorinthebatterywhenthevehicleisdecelerated.

However,suchhigh-voltagebatterieswhichareusedintheEVsandtheHEVsuseapluralityofbatterymodulewhichareconnected.Inthebatterymodule,apluralityofnickel-hydrogenbatteriesareconnectedinseries.Therefore,thereisaprobleminthatbatterytemperaturesdiffer,andbecauseofthis,current-chargingfunctionandcurrent-dischargingfunctiondecreaseinthebattery.Inparticular,incoldarea,whenavehicleisusedunderlowtemperatureconditions,temperaturedifferencesbetweenabatterymodulewhichisdisposedonacabinfloorofthevehicleandabatterymodulewhichisdisposedonanoppositesurfaceofthecabinfloortendstoincrease.

Inordertosolvetheabove-mentionedproblem,conventionally,therehasbeenproposedatemperaturecontrollingapparatusforabatterywhichisdisclosedinJapaneseUnexaminedPatentApplication,FirstPublicationNo.Hei9-92347.Inthisapparatus,acoolingfaniscontrolledaccordingtotemperatureandheatisgeneratedinabattery.

However,anobjectofaconventionaltemperaturecontrollingapparatusforabatterywastocooltheentirebattery.Thus,acoolingfanwascontrolledbymonitoringheatgeneratedinthebattery,although,itwasnotconsideredtocontrolthetemperatureamongapluralityofbatteriesuniformly.

SUMMARYOFTHEINVENTION

Thepresentinventionwasmadeinconsiderationoftheproblemexplainedabove.Anobjectofthepresentinventionistoprovideatemperaturecontrollingapparatusforabatterywhichcancoolthebatteryandcontrolthetemperatureamongapluralityofbatteriesuniformly.

Inordertosolvetheproblemexplainedabove,inafirstaspectofthepresentinvention,atemperaturecontrollingapparatusforbattery,whichisprovidedwithacoolingfan(forexample,acoolingfan18inembodiments)forsendingcoolingairtoapluralityofbatterieswhichareconnectedtoeachother,comprisesatemperaturemeasuringdevice(forexample,temperaturesensors21a,21b,and21cintheembodiments)formeasuringthetemperatureineachbattery,atemperaturedifferencecalculatingdevice(forexample,astepS7intheembodiments)forcalculatingtemperaturedifferencesamongbatteries,acontrollingdevice(forexample,stepsS8toS10intheembodiments)forsettingandcontrollingcurrentvaluesenttothecoolingfanaccordingtothetemperaturedifferenceamongbatteries.Inthetemperaturecontrollingapparatusforabatteryhavingstructureexplainedabove,itispossibletosetthecurrentwhichissenttothecoolingfanaccordingtotemperaturedifferenceamongapluralityofbatterieswhichareconnectedtoeachother.

Inasecondaspectofthepresentinvention,atemperaturecontrollingapparatusforbatteries(forexample,high-voltagebattery1intheembodiments),whichisprovidedwithacoolingfan(forexample,acoolingfan18intheembodiments)forsendingcoolingairtoapluralityofbatterieswhichareconnectedtoeachother,comprisesatemperaturemeasuringdevice(forexample,temperaturesensors21a,21b,and21cintheembodiments)formeasuringthetemperatureofeachbattery,atemperaturedifferencecalculatingdevice(forexample,astepS7intheembodiments)forcalculatingtemperaturesdifferenceamongbatteries,afirstsettingdevice(forexample,stepsS1toS6intheembodiments)forsettingandcontrollingafirstcurrentvaluesenttothecoolingfanaccordingtothetemperaturedifferenceamongbatteries,asecondsettingdevice(forexample,astepS8)forsettingandcontrollingasecondcurrentvaluesenttothecoolingfanaccordingtothetemperaturedifferenceamongbatteries,andacomparisoncontrollingdevice(forexample,stepsS9toS10intheembodiments)whichchoosesthelargercurrentvaluebetweenthefirstcurrentvalueandthesecondcurrentvaluesoastocontrolthecoolingfan.Inthetemperaturecontrollingapparatusforabatteryhavingastructureexplainedabove,itispossibletosetthecurrentwhichissenttothecoolingfanaccordingtoconditionssuchastemperaturedifferenceamongthebatteriesandtemperatureofeachbatteryamongapluralityofbatterieswhichareconnectedtoeachothersoastocontrolthecoolingair.

Inathirdaspectofthepresentinvention,inatemperaturecontrollingapparatusforbatteries,ancurrentmeasuringdevice(forexample,ancurrentsensor28intheembodiments)formeasuringcurrentwhichischargedtoordischargedfromthebatteriesisprovided,andthefirstsettingdevicesetsthefirstcurrentvalueaccordingtothetemperatureofthebatteriesandthecurrentwhichismeasuredbythecontrollingdevice.Inthetemperaturecontrollingapparatusforbatterieshavingthestructureexplainedabove,itispossibletosetthecurrentwhichissenttothecoolingfanbydeterminingtheconditionofeachbatteryaccordingtoconditionssuchastemperaturedifferencesamongthebatteriesandtemperatureofeachbattery.

Inafourthaspectofthepresentinvention,avehicleapparatus,havingamotor(forexample,a3-phaseACmotor4intheembodiments)fordrivingavehicleorsupportinganoutputfromthevehicle'sengine(forexample,anengine5intheembodiments)andapluralityofbatteries(forexample,ahigh-voltagebattery1intheembodiments)whichareconnectedtoeachotherforstoringenergywhichisgeneratedbythemotorandenergywhichisregeneratedbyregeneratingoperationofthemotorwhenthevehicleisdeceleratedandacoolingfan(forexample,acoolingfan18intheembodiments)whichsendscoolingairtothebatteries,comprisesatemperaturemeasuringdevice(forexample,temperaturesensors21a,21b,and21cintheembodiments)formeasuringthetemperatureofeachbattery,atemperaturedifferencecalculatingdevice(forexample,astepS7intheembodiments)forcalculatingtemperaturedifferenceamongbatteries,acontrollingdevice(forexample,stepsS8toS10intheembodiments)forsettingandcontrollingcurrentvaluesenttothecoolingfanaccordingtothetemperaturedifferenceamongbatteries,aspeedmeasuringdevice(forexample,avehiclespeedsensorintheembodiments)formeasuringdrivingspeedofthevehicle;andancurrentlimitingdevice(forexample,stepsS35,andS41toS46intheembodiments)forlimitingthecurrentaccordingtothedrivingspeedofthevehicle.

Inthevehicleapparatushavingstructureexplainedabove,itispossibletosetthecurrentwhichissenttothecoolingfanaccordingtothetemperaturedifferenceamongapluralityofbatterieswhichareconnectedtoeachotherandchangethecurrentwhichissenttothecoolingfanaccordingtothevehiclespeedsoastocontrolthecoolingair.

Inafifthaspectofthepresentinvention,avehicleapparatusisprovidedwithalimitationclearingdevice(forexample,stepsS43andS46intheembodiments)forcancelingthelimitationforthecurrentmadebythecurrentlimitingdeviceunderconditionsthatthetemperatureofthebatteriesriseshigherthanapredeterminedlimitationforhighesttemperature.

Inthevehicleapparatushavingastructureasexplainedabove,itispossibletosendacoolingairtothebatteryregardlessofthevehiclespeedbecausethelimitationforthecurrentwhichissenttothecoolingfanisclearedwhenthetemperatureofthebatteryriseshigherthanthepredeterminedlimitationforthehighesttemperature.

Inasixthaspectofthepresentinvention,avehicleapparatusisprovidedwithalimitationcancelingdevice(forexample,stepsS34,S42,andS46intheembodiments)whichcancelsthelimitationmadebythecurrentlimitingdevicewheninformationforthedrivingspeedofthevehiclecannotbeobtainedfromthespeedmeasuringdeviceforapredeterminedperiodoftimeunderconditionsinwhichelectricityischargedtoordischargedfromthebatteries.

Inthevehicleapparatushavingthestructureexplainedabove,itispossibletosendacoolingairtothebatteryregardlessofthevehiclespeedbecausethelimitationforthecurrentwhichissenttothecoolingfanisclearedwheninformationforthedrivingspeedofthevehiclecannotbeobtainedfromthespeedmeasuringdeviceforapredeterminedperiodoftime.

Furthermore,inadditiontothevehicleapparatusexplainedabove,thepresentinventioncanprovideavehiclehavingthefollowingstructure.

Thatis,inavehicleapparatusaccordingtothepresentinventionhavinganinverterdevice(forexample,aninverter3fordrivingamotorintheembodiments)forcontrollingamotor(forexample,a3-phaseACmotor4intheembodiments)fordrivingavehicleorsupportinganoutputfromanengine(forexample,anengine5intheembodiments),batteries(forexample,high-voltagebattery1intheembodiments)whicharedisposedinapluralityofarraysforstoringenergywhichisgeneratedbythemotorandenergywhichisregeneratedbyregeneratingoperationofthemotorwhenthevehicleisdecelerated,acoolingfan(forexample,acoolingfan18intheembodiments)forintroducinganairtoboththebatteriesandtheinverterdevice,thevehicleapparatusaccordingtothepresentinventioncomprisestemperaturemeasuringdevices(forexample,temperaturesensors21a,21b,and21c)formeasuringthetemperatureofeachbattery,afirstcurrentsettingdevice(forexample,stepsS1toS6intheembodiments)forsettingthefirstcurrentwhichissenttothecoolingfanaccordingtothetemperatureofthebatteries,atemperaturedifferencecalculatingdevice(forexample,astepS7intheembodiments)forcalculatingdifferenceoftemperatureamongbatteries,asecondcurrentsettingdevice(forexample,stepS8intheembodiments)forsettingthesecondcurrentwhichissenttothecoolingfanaccordingtothedifferenceinthetemperaturesamongthebatteries,afirstselectingdevice(forexample,stepsS9andS10intheembodiments)forcomparingthefirstcurrentandthesecondcurrentsoastoselectalargercurrent,aspeedmeasuringdevice(forexample,avehiclespeedsensorintheembodiments)formeasuringadrivingspeedofthevehicle,athirdcurrentsettingdevice(forexample,astepS41intheembodiments)forsettingthethirdcurrentwhichissenttothecoolingfanaccordingtothedrivingspeedofthevehicle,asecondselectingdevice(forexample,stepS44intheembodiments)forcomparingthecurrentwhichisselectedbythefirstselectingdeviceandthethirdcurrentsoastoselectthesmallercurrent,aninvertertemperaturemeasuringdevice(forexample,atemperaturesensor23intheembodiments)formeasuringtemperatureofcomponentsintheinverterdevice,afourthcurrentsettingdevice(forexample,astepS32intheembodiments)forsettingthefourthcurrentwhichissenttothecoolingfanaccordingtothetemperatureofthecomponentsintheinverterdevice,andacontrollingdevice(forexample,astepS58intheembodiments)forselectingalargercurrentbetweenthecurrentwhichisselectedbythesecondselectingdeviceandthefourthcurrentsoastocontrolthecoolingfan.

Intheveh