氣囊和預(yù)緊器的靜電釋放控制

1、HSE-E Team Europew An airbag or pyrotechnic pretensioner may deploy after receiving an electric charge. 氣囊氣囊/預(yù)緊器在接受到電預(yù)緊器在接受到電荷后可能發(fā)生爆炸；荷后可能發(fā)生爆炸； An accidental or unintended deployment can occur when electrostatic charges are picked up or discharged by an airbag or pretensioner.當(dāng)靜電釋放到安全氣囊當(dāng)靜電釋放到安全氣囊/預(yù)緊

2、器時(shí)，預(yù)緊器時(shí)，事故事故/突然爆炸可能發(fā)生。突然爆炸可能發(fā)生。t Even when the airbag or pretensioner is designed to withstand Electrostatic Discharge events, it may still not be immune to accidental deployment.盡管安全氣囊盡管安全氣囊/預(yù)緊器的設(shè)計(jì)是基于防靜電釋放，也不可能回避預(yù)緊器的設(shè)計(jì)是基于防靜電釋放，也不可能回避氣囊氣囊/預(yù)緊器發(fā)生爆炸的預(yù)緊器發(fā)生爆炸的 可能?？赡?。HSE-E Team EuropeWhy is ESD-protection

3、 Important ?為什么靜電釋放為什么靜電釋放保護(hù)保護(hù)特別重要？特別重要？HSE-E Team EuropeExamples of Static Electricity 靜電例子靜電例子Lightning閃電閃電Zap from a door瞬間接觸門把手瞬間接觸門把手HSE-E Team EuropeExamples of Static Electricity 靜電例子靜電例子Separation分離分離HSE-E Team EuropeExamples of Static Electricity靜電例子靜電例子 Friction and Separation摩擦和分離摩擦和分離HSE

4、-E Team EuropeStatic Discharge靜電釋放靜電釋放 w Conductors導(dǎo)體導(dǎo)體A Charge conductor can be neutralized by connecting it to earth ground.當(dāng)一帶電導(dǎo)體和地接觸時(shí)，電荷就被中當(dāng)一帶電導(dǎo)體和地接觸時(shí)，電荷就被中和。和。HSE-E Team EuropeStatic Discharge 靜電釋放靜電釋放w Insulators絕緣體絕緣體 A charged insulator can remain charged for many hours. Opposite polarity ch

5、arges can exist on an insulator at the same time. 一帶電絕緣體可保持其電荷幾小時(shí)，其反極電荷同時(shí)存在于另一帶電絕緣體可保持其電荷幾小時(shí)，其反極電荷同時(shí)存在于另一絕緣體中。一絕緣體中。 Charges will not migrate on insulators.電荷在絕緣體中不能移動(dòng)。電荷在絕緣體中不能移動(dòng)。 Grounding insulators neither removes nor prevents surface charges.接地絕緣體既不能轉(zhuǎn)移也不能防止表面電荷。接地絕緣體既不能轉(zhuǎn)移也不能防止表面電荷。 HSE-E Team E

6、uropeTypical Electrostatic Voltages 典型靜電電壓典型靜電電壓Walking across a carpet當(dāng)在地毯上行走時(shí)。當(dāng)在地毯上行走時(shí)。HSE-E Team EuropeTypical Electrostatic Voltages典型的靜電電壓典型的靜電電壓 Walking over untreatedvinyl floor當(dāng)在沒有經(jīng)過特殊處理當(dāng)在沒有經(jīng)過特殊處理的人造革地面上行走時(shí)的人造革地面上行走時(shí)。HSE-E Team EuropeTypical Electrostatic Voltages 典型的靜電電壓典型的靜電電壓Vinyl envelop

7、e usedfor work instructions用于裝工作指導(dǎo)書的人造革封皮用于裝工作指導(dǎo)書的人造革封皮HSE-E Team EuropeTypical Electrostatic Voltages 典型的靜電電壓典型的靜電電壓Picking up a plastic bag撿起塑料袋撿起塑料袋HSE-E Team EuropeControl of Electrostatic Dischargearising from People 操作過程中產(chǎn)生的靜電釋放控制操作過程中產(chǎn)生的靜電釋放控制 Accidental pick upof electrostatic loads意外接觸靜電荷所致

8、后果意外接觸靜電荷所致后果Isolating Mator Floor隔離的地墊和地板隔離的地墊和地板Safety ShoesR 107安全鞋電阻大于安全鞋電阻大于107歐姆歐姆No direct path to the groundWRONG: Basic Principle錯(cuò)誤：基本原則錯(cuò)誤：基本原則Worker has noconductive path to earth操作工人無接地途徑操作工人無接地途徑Part with live airbag or pretensioner盡量不要接盡量不要接觸未安裝觸未安裝的氣囊模塊的氣囊模塊或預(yù)緊器或預(yù)緊器HSE-E Team EuropeCon

9、trol of Electrostatic Discharge arising from People 操作過程中產(chǎn)生的靜電釋放控制操作過程中產(chǎn)生的靜電釋放控制Accidental pick up of electrostatic loads will be transferred to ground即使意外接觸靜電荷也即使意外接觸靜電荷也會(huì)被釋放到大地會(huì)被釋放到大地Dissipative Mator Floor防靜電地墊防靜電地墊/地板地板104 R R R R R R R = 200 V/m in the area where pyrotechnical devices are handl

10、ed. 避免煙火技術(shù)裝置裝配處的靜電場避免煙火技術(shù)裝置裝配處的靜電場= 200 V/m。 Wear whenever possible clothes in cotton.穿棉質(zhì)工作服。穿棉質(zhì)工作服。If safety gloves are needed, wear cotton-gloves or gloves without fingertips.如果需要戴手套，應(yīng)該戴棉手套或不帶手指的手套。如果需要戴手套，應(yīng)該戴棉手套或不帶手指的手套。 Follow the local work instructions to protect against ESD/ EMI. 遵守防遵守防ESD/EM

11、I當(dāng)?shù)毓ぷ髦笇?dǎo)。當(dāng)?shù)毓ぷ髦笇?dǎo)。HSE-E Team EuropeProtection against ESD ALWAYS必須保證必須保證: Notify colleagues, visitors that safety rules have to be followed by everybody. 通知員工、參觀者安全準(zhǔn)則每個(gè)人都應(yīng)該遵守。通知員工、參觀者安全準(zhǔn)則每個(gè)人都應(yīng)該遵守。 Report any deficiency on machines, devices, grounding cables etc. immediately.如果機(jī)械、設(shè)備、接地線出現(xiàn)異常，立即報(bào)告。如果機(jī)械、設(shè)備

12、、接地線出現(xiàn)異常，立即報(bào)告。 Report any noticeable static discharge immediately. 重要的靜電釋放立即報(bào)告。重要的靜電釋放立即報(bào)告。 HSE-E Team EuropeProtection against ESD NEVER不要不要: Never Remove the cable or the shunt to a pyrotechnic device.千萬不要拆氣囊模塊線束；千萬不要拆氣囊模塊線束； Never Apply electrical power to pyrotechnical device.千萬不要把氣囊千萬不要把氣囊/預(yù)緊器通

13、電。預(yù)緊器通電。 Never Store pyrotechnical devices in boxes made out of insulating materials.不要采用由絕緣材料制造的箱體來存儲(chǔ)熱爆技術(shù)裝置不要采用由絕緣材料制造的箱體來存儲(chǔ)熱爆技術(shù)裝置 Never Work on the production line when not wearing the proper footwear.必須穿合適的鞋套在裝配線上操作。必須穿合適的鞋套在裝配線上操作。 HSE-E Team EuropeProtection against ESD NEVER千萬不要千萬不要: Never bri

14、ng in mobile or cellular phones, walkie talkies within a radius of 5 meter from the place were protechnical devices are handled, mounted or stored (only DECT- Telephones are allowed).在氣囊模塊裝配區(qū)、存放區(qū)的在氣囊模塊裝配區(qū)、存放區(qū)的5米之內(nèi)千萬不要使用手機(jī)、米之內(nèi)千萬不要使用手機(jī)、對(duì)講機(jī)等（只有發(fā)射信號(hào)弱的手機(jī)對(duì)講機(jī)等（只有發(fā)射信號(hào)弱的手機(jī) 是允許的）。是允許的）。 Never tamper with pyrotechnical devices or with their electric connectors。不要拆卸氣囊不要拆卸氣囊/預(yù)緊器和它們的電插頭預(yù)緊器和它們的電插頭 。 HSE-E Team EuropeProtection against ESD Contact 聯(lián)系：聯(lián)系： HSE-E Team HSE-E小組小組 Airbag