氣囊和預(yù)緊器的靜電釋放控制

ControlofElectrostaticDischarge(ESD)whenworkingwithAirbags&Pretensioners氣囊和預(yù)緊器操作時的靜電釋放控制HSE-ETeamEurope

Anairbagorpyrotechnicpretensionermaydeployafterreceivinganelectriccharge.氣囊/預(yù)緊器在接受到電荷后可能發(fā)生爆炸；Anaccidentalorunintendeddeploymentcanoccurwhenelectrostaticchargesarepickedupordischargedbyanairbagorpretensioner.當(dāng)靜電釋放到安全氣囊/預(yù)緊器時，事故/突然爆炸可能發(fā)生。EvenwhentheairbagorpretensionerisdesignedtowithstandElectrostaticDischargeevents,itmaystillnotbeimmunetoaccidentaldeployment.盡管安全氣囊/預(yù)緊器的設(shè)計是基于防靜電釋放，也不可能回避氣囊/預(yù)緊器發(fā)生爆炸的可能。HSE-ETeamEuropeWhyisESD-protectionImportant?為什么靜電釋放保護特別重要？HSE-ETeamEuropeExamplesofStaticElectricity

靜電例子Lightning閃電Zapfromadoor瞬間接觸門把手HSE-ETeamEuropeExamplesofStaticElectricity

靜電例子Separation分離HSE-ETeamEuropeExamplesofStaticElectricity靜電例子

FrictionandSeparation摩擦和分離HSE-ETeamEuropeStaticDischarge靜電釋放

Conductors導(dǎo)體AChargeconductorcanbeneutralizedbyconnectingittoearthground.當(dāng)一帶電導(dǎo)體和地接觸時，電荷就被中和。HSE-ETeamEuropeStaticDischarge

靜電釋放

Insulators絕緣體

Achargedinsulatorcanremainchargedformanyhours.Oppositepolaritychargescanexistonaninsulatoratthesametime.一帶電絕緣體可保持其電荷幾小時，其反極電荷同時存在于另一絕緣體中。Chargeswillnotmigrateoninsulators.電荷在絕緣體中不能移動。Groundinginsulatorsneither

removesnorpreventssurfacecharges.接地絕緣體既不能轉(zhuǎn)移也不能防止表面電荷。

HSE-ETeamEuropeTypicalElectrostaticVoltages

典型靜電電壓Walkingacrossacarpet當(dāng)在地毯上行走時。HSE-ETeamEuropeTypicalElectrostaticVoltages典型的靜電電壓

Walkingoveruntreatedvinylfloor當(dāng)在沒有經(jīng)過特殊處理的人造革地面上行走時。HSE-ETeamEuropeTypicalElectrostaticVoltages

典型的靜電電壓Vinylenvelopeusedforworkinstructions用于裝工作指導(dǎo)書的人造革封皮HSE-ETeamEuropeTypicalElectrostaticVoltages

典型的靜電電壓Pickingupaplasticbag撿起塑料袋HSE-ETeamEuropeControlofElectrostaticDischargearisingfromPeople

操作過程中產(chǎn)生的靜電釋放控制Accidentalpickupofelectrostaticloads意外接觸靜電荷所致后果IsolatingMatorFloor隔離的地墊和地板SafetyShoesR>107安全鞋電阻大于107歐姆NodirectpathtothegroundWRONG:BasicPrinciple錯誤：基本原則Workerhasnoconductivepathtoearth操作工人無接地途徑Partwithliveairbagorpretensioner盡量不要接觸未安裝的氣囊模塊或預(yù)緊器HSE-ETeamEuropeControlofElectrostaticDischargearisingfromPeople

操作過程中產(chǎn)生的靜電釋放控制Accidentalpickupofelectrostaticloadswillbetransferredtoground即使意外接觸靜電荷也會被釋放到大地DissipativeMatorFloor防靜電地墊/地板104>R<108SafetyShoes安全鞋105>R<107DirectpathtothegroundConcreteBasicPrinciple具體的基本原則MakesuretheworkerALWAYShasaconductivepathtoearth確保操作者有接地的途徑Partwithliveairbagorpretensioner盡量不要接觸未安裝的氣囊模塊或預(yù)緊器HSE-ETeamEuropeProgramincludeshandlingwithAirbagsand

stronglyrecommendedforPretensioners(pyrotechnicdevices)Safetyshoes105

-107Workerstandsonmat?Floor104

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

適宜的鞋套的檢測設(shè)備

EveryPlantshouldhavethistestdevice.Devicetobeusedbyallworkersattheproductionline.每一工廠都應(yīng)該有此檢測設(shè)備，生產(chǎn)線的所有工人都應(yīng)用此設(shè)備。bothfeet雙腳donotusemetalframetoinstallESDtester不要用金屬骨架安裝ESD檢測設(shè)備yougetgroundedbytouchingthemetal通過接觸此金屬來接地。HSE-ETeamEuropeTestequipmentforfootwear鞋套檢測設(shè)備

Visitors參觀者:HeelandToeGrounder鞋跟/腳趾接地105>R<107HSE-ETeamEuropeTestequipmentformatting&floors地墊&地板檢測設(shè)備

ContactyourregionalHSEChampionortheAirbagCenterinGrefrath.與本地區(qū)HSE部門或Grefrath氣囊中心聯(lián)系。Theyhavethisequipmentandcanmeasuretheelectricalresistanceofthefloorsandmattinginyourplant他們有這種設(shè)備來檢測本公司的地板或地墊的電阻。HSE-ETeamEuropePreferredSupplier

推薦供應(yīng)商

Contact聯(lián)系:

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

HSE-ETeamEuropeProtectionagainstESD防靜電釋放保護

ALWAYS必須保證:

Wearprotectivefootwear.Visitorsshouldwearspecialheelandtoegroundersinordertoalwaysguaranteeadirectpath.穿保護鞋套。參觀者應(yīng)該穿特殊的腳跟或腳趾接地鞋套以保證接地。Testeverydaythe“grounding”efficiencyofyourfootwear(105>R<107).每天檢測員工鞋套的“接地”的有效性電阻值(105>R<107)AccesstotheassemblylineisonlyallowedwhenthereadingofthetestgivesanOK.只有檢測結(jié)果顯示合格，才能進入裝配線。Makesurethatcontainersandstorageboxesattheproductionlinesarebuiltfromelectrostaticdissipativematerials(104>R<108)確保生產(chǎn)線的氣囊/預(yù)緊器存放箱是有靜電釋放材料制造(104>R<108)。

HSE-ETeamEuropeProtectionagainstESD

ALWAYS必須保證:Makesurethatthedeliverycontainersforairbags/

pretensionersarebuiltinESDapprovedmaterials.確保氣囊/預(yù)緊器轉(zhuǎn)運箱由通過ESD確認的材料制成。AvoidElectrostaticfields>=200V/mintheareawherepyrotechnicaldevicesarehandled.避免煙火技術(shù)裝置裝配處的靜電場>=200V/m。Wearwheneverpossibleclothesincotton.穿棉質(zhì)工作服。Ifsafetyglovesareneeded,wearcotton-glovesorgloveswithoutfingertips.如果需要戴手套，應(yīng)該戴棉手套或不帶手指的手套。FollowthelocalworkinstructionstoprotectagainstESD/EMI.

遵守防ESD/EMI當(dāng)?shù)毓ぷ髦笇?dǎo)。WittiHSE-ETeamEuropeProtectionagainstESD

ALWAYS必須保證:Notifycolleagues,visitorsthatsafetyruleshavetobefollowedbyeverybody.通知員工、參觀者安全準(zhǔn)則每個人都應(yīng)該遵守。Reportanydeficiencyonmachines,devices,groundingcablesetc.immediately.如果機械、設(shè)備、接地線出現(xiàn)異常，立即報告。Reportanynoticeablestaticdischargeimmediately.重要的靜電釋放立即報告。

HSE-ETeamEuropeProtectionagainstESD

NEVER不要:

NeverRemovethecableortheshunttoapyrotechnicdevice.千萬不要拆氣囊模塊線束；

NeverApplyelectricalpowertopyrotechnicaldevice.千萬不要把氣囊/預(yù)緊器通電。

NeverStorepyrotechnicaldevicesinboxesmadeoutofinsulatingmaterials.不要采用由絕緣材料制造的箱體來存儲熱爆技術(shù)裝置

NeverWorkontheproductionlinewhennotwearingtheproperfootwear.必須穿合適的鞋套在裝配線上操作。

HSE-ETeamEuropeProtectionagainstESD

NEVER千萬不要:

Neverbringinmobileorcellularphones,wa