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Focus on new energy and automobile technology: global automobile development trend forum successfully held in Shanghai
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Focus on new energy and automobile technology: global automobile development trend forum successfully held in Shanghai

2019-11-18 10:26
Undertheguidanceoftheconceptoflow-carboneconomy,theglobalautomobileindustryisconstantlyspawningnewchangesinthedirectionofenergydiversification,intelligenceandgreen.   IntheafternoonofNovember7,2019,duringthesecondChinaInternationalImportExpo,"thesecondglobalautomobiledevelopmenttrendforum"wassuccessfullyheldinShanghaiNationalConventionandExhibitionCenter.   Onthebasisofthesuccessfulholdingofthefirst"globalautomotiveindustrydevelopmenttrendforum"in2018,guidedbythetop-leveldesignofnewenergyvehicles,focusingontheconceptofnewenergyvehicletechnologyinnovationandintelligenttravel,thisforumdiscussesthedevelopmenttrendofglobalnewenergyvehicleindustryfromtheperspectivesofpoliciesandregulations,strategiclayout,technologicalinnovation,etc.;meanwhile,itfocusesonmethanolecologyandmethanolfuelTheapplicationoftechnologyintheautomobileindustrywillexploreanewpathforthedevelopmentoftheglobalhydrogenenergyautomobileindustryinthefuture.   ThisforumissupportedbytheMinistryofCommerceofthepeople'sRepublicofChinaandChinaInternationalImportExpoBureau,sponsoredbyChinaAssociationforeconomicandtechnologicalcooperationinEurope,organizedbyAichiAutomobileCo.,Ltd.,attendedbynearly500officials,experts,practitionersandnewsmediafromtheautomotivefield,andchairedbyMS.ChenJingyue,executivevicepresidentandSecretaryGeneralofChinaAssociationforeconomicandtechnologicalcooperationinEurope.   OnMarch14,2019,theMinistryofindustryandinformationtechnologyandothereightdepartmentsissuedtheguidanceontheapplicationofmethanolvehiclesinsomeareas,whichisofgreatsignificance:itcomprehensivelyrevealedandstartedthepromotionandapplicationofmethanolvehiclesinChina,thusdrivingtheoverallpromotionoftheapplicationofmethanolfuelinthepowercombustionandthermalcombustioninChina'sindustrialfield.   Focusonnewenergyandautomobiletechnology:globalautomobiledevelopmenttrendforumsuccessfullyheldinShanghai   Groupphotoofparticipants   Methanolisabasicchemicalrawmaterial,whichhastheadvantagesofwidesource,cleanandrenewable,higheconomyandsafety.Itcanbesaidthatthelayoutofmethanolvehicleswillgreatlymakeupforthelackofoil,gasandcoalresourcesinChina.   Inthefuture,aseriesofproblems,suchashowtoinnovatethenewgenerationofmethanolvehiclesandhowtostepintotheinternationaladvancedranks,posenewchallengesforthemethanolvehiclemanufacturingenterprisesandeventheautomobileindustry.Thisisalsothekeytopicofthisforum,providingcutting-edgeintellectualsupportfortheautomobileindustrypractitionersandthosewhoarewillingtojointhemethanolvehicleindustry.Atthesametime,expertsandscholarsfromallwalksoflifeexchangeanddiscussthesuccessfulexperienceanddevelopmenttrendofnewenergyvehiclesintechnologyinnovation,industrialinnovation,policyinnovation,modelinnovationandotherfields.   Focusonnewenergyandautomobiletechnology:globalautomobiledevelopmenttrendforumsuccessfullyheldinShanghai   SpeechbyXuBingjin,formerdirectorofthestateimportandexportofficeofmechanicalandelectricalproductsandformerAssistantMinisteroftheMinistryofCommerce   XuBingjin,formerdirectoroftheNationalOfficeofimportandexportofmechanicalandelectricalproductsandassistanttotheformerMinisteroftheMinistryofCommerce,pointedoutthatovertheyears,inordertobroadenthewayofdiversifieddevelopmentofChina'sautomobileindustry,governmentsatalllevelsandnewenergyautomobileenterpriseshaveincreasedtheireffortstocontrolfuelconsumption,carbondioxideandotherpollutants,andthroughtheInternet,bigdata,artificialintelligenceandothernewtechnologiesinproducts,technologiesandspecialequipmentTheuniversalapplicationofmanyfields,suchasenergydiversificationtransformation,acceleratingthedevelopmentofcleanenergyvehicles,promotingtheoptimizationandupgradingoftraditionalindustries,hasmadeimportantcontributionstopromotingthegreencycle,low-carbonandhigh-speeddevelopment.   Focusonnewenergyandautomobiletechnology:globalautomobiledevelopmenttrendforumsuccessfullyheldinShanghai   SpeechbyLiMeng,vicechairmanoftheCPPCCNationalCommittee   LiMeng,vicechairmanoftheCPPCCNationalCommittee,saidthattheautomobileindustryplaysanirreplaceableroleinthenationaleconomicdevelopmentandpeople'slife,butitalsobringsproblemssuchasenvironmentalpollution.Underthetrendofthecontinuousdevelopmentofnewenergyvehicles,thedevelopmentofmethanolvehiclesasamediumtosolvetheproblemofenvironmentalpollutionwillgreatlypromotethedevelopmentoftheautomobileindustry.
New energy vehicle high voltage connector technology and future trend - 2017 China new energy vehicle power battery system advanced electrical connection
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New energy vehicle high voltage connector technology and future trend - 2017 China new energy vehicle power battery system advanced electrical connection

2019-11-01 18:25
ChinanewenergyvehiclepowerbatterysystemadvancedelectricconnectiontechnologyforumwassuccessfullyheldinShanghai,attractingmorethan400industryelitestoparticipate,60+powerbattery/packenterprises,30+newenergyvehicleenterprises,morethan150electricalconnectiontechnologyexperts;8selectedelectricalconnectionthemesandadialoguesalonwith6industrialelectricalconnectionexperts.ThisisafeastofknowledgeandareflectionThecollisionofdimensionisaprogressoftheindustry.
Safe operation guarantee of new energy vehicles! Introduction and selection of high voltage connector for electric vehicle
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Safe operation guarantee of new energy vehicles! Introduction and selection of high voltage connector for electric vehicle

2019-11-01 18:21
Pureelectricvehiclesandplug-inhybridelectricvehiclesgenerallyadopthighvoltageofmorethan300Vandhighcurrentofseveralhundredamperes.Highvoltagecircuitisthekeycomponentofthehighvoltageelectricalsystemofthewholevehicle.Itsreliabilityandsafetyarerelatedtothereliabilityofthewholevehiclesystemandevenpersonalsafety.Itistheguaranteeofthesafeoperationofnewenergyvehicles,anditsimportanceisself-evident.Asanimportantpartofthevehicle'sfunctionalmodulesandhigh-voltagecircuit,theaccuratedesign,analysisandselectionofhigh-voltageconnectorisofgreatsignificanceforelectricvehicles.   1.Introductiontohighvoltageconnector   Thehigh-voltageconnectorisakindoffunctionalcomponentwhichmakesthecircuitturnonandoffwiththehelpofelectricalsignalormechanicalforce.Itiscomposedoffixedendelectricalconnector(hereinafterreferredtoassocket)andfreeendelectricalconnector(hereinafterreferredtoasplug).   Highvoltageconnectorstructuregenerallyincludes:contactpair,sealingring,buttlockingmechanism,bracket,shell,positioningmechanism,highvoltageinterlockmechanism,shieldingmechanism,insulationstructure,etc.Generalterminationmethodsincludewelding,crimping,throughholeconnection,screwconnection,etc.Therearealsovariousinstallationmethods,includingpaneltype,cabletype,nuttype,throughwalltype,etc.Intheoverallstructure,themaneuverabilityneedstobeconsidered,includingthesizeofmaneuveringspace,antimisoperationstructure,connectioninplaceindication,etc.Theinternalstructureneedstobeconsidered:thedetachabilityofthecontact,thetypeandstructureformofthecontact,etc.   Fortheuseperformanceofhigh-voltageconnector,itisquitedifferentfromlow-voltageconnector.Theelectricalperformance,mechanicalperformanceandenvironmentalperformanceofhigh-voltageconnectorhavehigherrequirements.Itmainlyincludesthefollowingaspects:   1)Electricalproperties   Electricalperformanceincludesworkingvoltage,ratedcurrent,contactresistanceofinnerconductorandouterconductor,characteristicimpedance,VSWR,shieldingperformanceandanti-interferenceperformance.Theratedvoltageoftheconnectormustbegreaterthanthepeakvoltageoftheequipment.Generally,itisnecessarytotestthewithstandvoltage,insulationresistance,creepagedistance,etc.oftheconnectoraccordingtothestandard.Atthesametime,confirmthenormalusecurrentoftheequipment.Theratedcurrentoftheconnectormustbegreaterthanthenormalusecurrentoftheequipment.Whenthereisapeakcurrent,confirmthetimeofthepeakcurrent.Generally,itisnecessarytotesttheterminaloftheconnectoraccordingtothestandardContactresistance,terminaltemperaturerise,terminalretentionforce,cablepressureforce,connectorlockingdevicestrength,etc.Inordertoensurethesafetyperformanceoftheconnection,thehigh-voltagecontrolcircuitisgenerallyformedthroughhigh-voltageinterlock,soastoavoidthepotentialhazardscausedbythedisconnectionofthehigh-voltagecircuit,whichrequiresthetestandcalibrationofthevehiclecontrolsystem.Inaddition,EMCrequirementsofhigh-voltageconnectorareincreasinglyprominent.Atpresent,itcanberequiredtodesignwithshieldingpartstomeet360degreeshielding,andtheshieldinggapisrequiredtobelessthan2mmoruseelectromagneticsealinggasket.Generally,theshieldingeffectivenessneedstobemeasuredaccordingtostandards.   2)Mechanicalproperties   Mechanicalenergymainlyincludesvibrationandimpact,mechanicallife,singleholeseparationandtotalseparationforce.Generally,itwillevaluatetheusetimesofproducts,whethertheconnectionandlockingmethodsarereliable,etc.Asapartthatisnotoftendisassembled,thehigh-voltageconnectorinthevehiclecanbepluggedandunpluggedmorethan50times,soastojudgewhetherthemechanicallifeoftheconnectormeetstherequirements.   3)Environmentalperformance   Environmentalperformanceincludestemperature,humidity,vibration,impact,saltspray,dustandsealingperformance(includingwaterpressure,rain),etc.First,confirmthemaximumambienttemperatureoftheequipment.Theworkingtemperatureoftheconnectormustbegreaterthantheambienttemperatureoftheequipmentplustheterminaltemperaturerisewhentheratedcurrentisapplied.Iftheworkingtemperatureoftheconnectormeetstherequirements,itisnecessarytotesttheaging,temperatureandhumidity,highandlowtemperatureimpactoftheconnectoraccordingtothestandards.Intheaspectofenvironmentaltoleranceperformanceofhighvoltageconnector,IPprotectionperformancehasthegreatestimpact.Generally,watertightnesstestorairtightnesstestisadoptedtoverify.Theairtightnesstesthasnonegativeeffectontheproduct,andiswidelyusedatpresent.Inaddition,whethertheflameretardantperformancecanmeetthestandardisalsoanimportantsafetyindex.   2.Selectionofhighvoltageconnector   Accordingtotheactualneedsoftheuseofthesituation,theaccurateselectionofhigh-voltageconnectorsisakeyissuefordesignerstoconsider.Thefollowingisaselectionanalysisfortheuseofnewenergyvehicles.   1)Selectthetypeaccordingtotheplanofhigh-pressuresystemofthewholevehicle   Thehigh-voltagesystemofthewholevehicleincludespowerbattery,motor/motorcontroller,PDU,DCorACchargingsystem,electricheating,electricairconditioning,DCDCandotherelectricaccessorysystems.Firstofall,determinetheelectricalprincipleofthevehiclehighvoltage,pre