气囊和预紧器的静电释放控制

,ControlofElectrostaticDischarge(ESD)whenworkingwithAirbags&Pretensioners气囊和预紧器操作时的静电释放控制,HSE-ETeamEurope,Anairbagorpyrotechnicpretensionermaydeployafterreceivinganelectriccharge.气囊/预紧器在接受到电荷后可能发生爆炸；Anaccidentalorunintendeddeploymentcanoccurwhenelectrostaticchargesarepickedupordischargedbyanairbagorpretensioner.当静电释放到安全气囊/预紧器时，事故/突然爆炸可能发生。EvenwhentheairbagorpretensionerisdesignedtowithstandElectrostaticDischargeevents,itmaystillnotbeimmunetoaccidentaldeployment.尽管安全气囊/预紧器的设计是基于防静电释放，也不可能回避气囊/预紧器发生爆炸的可能。,HSE-ETeamEurope,WhyisESD-protectionImportant?为什么静电释放保护特别重要？,HSE-ETeamEurope,ExamplesofStaticElectricity静电例子,Lightning闪电,Zapfromadoor瞬间接触门把手,HSE-ETeamEurope,ExamplesofStaticElectricity静电例子,Separation分离,HSE-ETeamEurope,ExamplesofStaticElectricity静电例子,FrictionandSeparation摩擦和分离,HSE-ETeamEurope,StaticDischarge静电释放,Conductors导体,AChargeconductorcanbeneutralizedbyconnectingittoearthground.当一带电导体和地接触时，电荷就被中和。,HSE-ETeamEurope,StaticDischarge静电释放,Insulators绝缘体,Achargedinsulatorcanremainchargedformanyhours.Oppositepolaritychargescanexistonaninsulatoratthesametime.一带电绝缘体可保持其电荷几小时，其反极电荷同时存在于另一绝缘体中。Chargeswillnotmigrateoninsulators.电荷在绝缘体中不能移动。Groundinginsulatorsneitherremovesnorpreventssurfacecharges.接地绝缘体既不能转移也不能防止表面电荷。,HSE-ETeamEurope,TypicalElectrostaticVoltages典型静电电压,Walkingacrossacarpet当在地毯上行走时。,HSE-ETeamEurope,TypicalElectrostaticVoltages典型的静电电压,Walkingoveruntreatedvinylfloor当在没有经过特殊处理的人造革地面上行走时。,HSE-ETeamEurope,TypicalElectrostaticVoltages典型的静电电压,Vinylenvelopeusedforworkinstructions用于装工作指导书的人造革封皮,HSE-ETeamEurope,TypicalElectrostaticVoltages典型的静电电压,Pickingupaplasticbag捡起塑料袋,HSE-ETeamEurope,ControlofElectrostaticDischargearisingfromPeople操作过程中产生的静电释放控制,Accidentalpickupofelectrostaticloads意外接触静电荷所致后果,IsolatingMatorFloor隔离的地垫和地板,SafetyShoesR107安全鞋电阻大于107欧姆,Nodirectpathtotheground,WRONG:BasicPrinciple错误：基本原则,Workerhasnoconductivepathtoearth操作工人无接地途径,Partwithliveairbagorpretensioner尽量不要接触未安装的气囊模块或预紧器,HSE-ETeamEurope,ControlofElectrostaticDischargearisingfromPeople操作过程中产生的静电释放控制,Accidentalpickupofelectrostaticloadswillbetransferredtoground即使意外接触静电荷也会被释放到大地,DissipativeMatorFloor防静电地垫/地板104RRRRRRR=200V/mintheareawherepyrotechnicaldevicesarehandled.避免烟火技术装置装配处的静电场=200V/m。Wearwheneverpossibleclothesincotton.穿棉质工作服。Ifsafetyglovesareneeded,wearcotton-glovesorgloveswithoutfingertips.如果需要戴手套，应该戴棉手套或不带手指的手套。FollowthelocalworkinstructionstoprotectagainstESD/EMI.遵守防ESD/EMI当地工作指导。,Witti,HSE-ETeamEurope,ProtectionagainstESD,ALWAYS必须保证:Notifycolleagues,visitorsthatsafetyruleshavetobefollowedbyeverybody.通知员工、参观者安全准则每个人都应该遵守。Reportanydeficiencyonmachines,devices,groundingcablesetc.immediately.如果机械、设备、接地线出现异常，立即报告。Reportanynoticeablestaticdischargeimmediately.重要的静电释放立即报告。,HSE-ETeamEurope,ProtectionagainstESD,NEVER不要:NeverRemovethecableortheshunttoapyrotechnicdevice.千万不要拆气囊模块线束；NeverApplyelectricalpowertopyrotechnicaldevice.千万不要把气囊/预紧器通电。NeverStorepyrotechnicaldevicesinboxesmadeoutofinsulatingmaterials.不要采用由绝缘材料制造的箱体来存储热爆技术装置NeverWorkontheproductionlinewhennotwearingtheproperfootwear.必须穿合适的鞋套在装配线上操作。,HSE-ETeamEurope,ProtectionagainstESD,NEVER千万不要:Neverbringinmobileorcellularphones,walkietalkieswithinaradiusof5meterfromtheplacewereprotechnicaldevicesarehandled,mountedorstored(onlyDECT-Telephonesareallowed).在气囊模块装配区、存放区的5米之内千万不要使用手机、对讲机等（只有发射信号弱的手机是允许的）。Nevertamperwithpyrotechnicaldevicesorwiththeirelectricconnectors。不要拆卸气囊/预紧器和它们的电插头。,Witti,HSE-ETeamEurope,ProtectionagainstESD,Contact联系：HSE-ETeamHSE-E小组AirbagCente