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-ETeamEuropeWhyisESD-protectionImportant?为什么静电释放保护特别重要？HSE-ETeamEuropeExamplesofStaticElectricity

静电例子Lightning闪电Zapfromadoor瞬间接触门把手HSE-ETeamEuropeExamplesofStaticElectricity

静电例子Separation分离HSE-ETeamEuropeExamplesofStaticElectricity静电例子

FrictionandSeparation摩擦和分离HSE-ETeamEuropeStaticDischarge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-ETeamEuropeStaticDischarge

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。Groundinginsulatorsneither

removesnorpreventssurfacecharges.接地绝缘体既不能转移也不能防止表面电荷。

HSE-ETeamEuropeTypicalElectrostaticVoltages

典型静电电压Walkingacrossacarpet当在地毯上行走时。HSE-ETeamEuropeTypicalElectrostaticVoltages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-ETeamEuropeTypicalElectrostaticVoltages

典型的静电电压Vinylenvelopeusedforworkinstructions用于装工作指导书的人造革封皮HSE-ETeamEuropeTypicalElectrostaticVoltages

典型的静电电压Pickingupaplasticbag捡起塑料袋HSE-ETeamEuropeControlofElectrostaticDischargearisingfromPeople

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SafetyShoesR>107安全鞋电阻大于107欧姆NodirectpathtothegroundWRONG: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-ETeamEuropeControlofElectrostaticDischargearisingfromPeople

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104>R<108SafetyShoes安全鞋105>R<107DirectpathtothegroundConcreteBasicPrinciple具体的基本原则MakesuretheworkerALWAYShasaconductivepathtoearth确保操作者有接地的途径Partwithliveairbagorpretensioner尽量不要接触未安装的气囊模块或预紧器HSE-ETeamEuropeProgramincludeshandlingwithAirbagsand

stronglyrecommendedforPretensioners(pyrotechnicdevices)Safetyshoes105

-107Workerstandsonmat?Floor104

-108Mat104-108Mat+floor104-108Matgrounded?WorkerESDSafetyEnsuredRe-TestaftercorrectactionsnoyesyesyesyesyesnononononoNospecialpersonalprotectivecounter-measurmentsrequiredyesyesnoUseofPPE’stoimproveimmunitytohumanESDCottonclothwheneverpossible如可能的话，采用全棉工作服HSE-ETeamEuropeTestequipmentforappropriatedfootwear

适宜的鞋套的检测设备

EveryPlantshouldhavethistestdevice.Devicetobeusedbyallworkersattheproductionline.每一工厂都应该有此检测设备，生产线的所有工人都应用此设备。bothfeet双脚donotusemetalframetoinstallESDtester不要用金属骨架安装ESD检测设备yougetgroundedbytouchingthemetal通过接触此金属来接地。HSE-ETeamEuropeTestequipmentforfootwear鞋套检测设备

Visitors参观者:HeelandToeGrounder鞋跟/脚趾接地105>R<107HSE-ETeamEuropeTestequipmentformatting&floors地垫&地板检测设备

ContactyourregionalHSEChampionortheAirbagCenterinGrefrath.与本地区HSE部门或Grefrath气囊中心联系。Theyhavethisequipmentandcanmeasuretheelectricalresistanceofthefloorsandmattinginyourplant他们有这种设备来检测本公司的地板或地垫的电阻。HSE-ETeamEuropePreferredSupplier

推荐供应商

Contact联系:

VaughanCallan Unit,17,MillbrookBusinessPark SybronWay, Crowborough,EastSussex,TN63JZ UK Phone:+441892665313 Fax:+441892668838 E-mail:Vaughan@charleswater.co.uk

HSE-ETeamEuropeProtectionagainstESD防静电释放保护

ALWAYS必须保证:

Wearprotectivefootwear.Visitorsshouldwearspecialheelandtoegroundersinordertoalwaysguaranteeadirectpath.穿保护鞋套。参观者应该穿特殊的脚跟或脚趾接地鞋套以保证接地。Testeverydaythe“grounding”efficiencyofyourfootwear(105>R<107).每天检测员工鞋套的“接地”的有效性电阻值(105>R<107)AccesstotheassemblylineisonlyallowedwhenthereadingofthetestgivesanOK.只有检测结果显示合格，才能进入装配线。Makesurethatcontainersandstorageboxesattheproductionlinesarebuiltfromelectrostaticdissipativematerials(104>R<108)确保生产线的气囊/预紧器存放箱是有静电释放材料制造(104>R<108)。

HSE-ETeamEuropeProtectionagainstESD

ALWAYS必须保证:Makesurethatthedeliverycontainersforairbags/

pretensionersarebuiltinESDapprovedmaterials.确保气囊/预紧器转运箱由通过ESD确认的材料制成。AvoidElectrostaticfields>=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。WittiHSE-ETeamEuropeProtectionagainstESD

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-ETeamEuropeProtectionagainstESD

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-ETeamEuropeProtectionagainstESD

NEVER千万不要:

Neverbringinmobileorcellularphones,wa