气囊和预紧器的静电释放控制

1、HSE-E Team Europew An airbag or pyrotechnic pretensioner may deploy after receiving an electric charge. 气囊气囊/预紧器在接受到电预紧器在接受到电荷后可能发生爆炸；荷后可能发生爆炸； An accidental or unintended deployment can occur when electrostatic charges are picked up or discharged by an airbag or pretensioner.当静电释放到安全气囊当静电释放到安全气囊/预紧

2、器时，预紧器时，事故事故/突然爆炸可能发生。突然爆炸可能发生。t Even when the airbag or pretensioner is designed to withstand Electrostatic Discharge events, it may still not be immune to accidental deployment.尽管安全气囊尽管安全气囊/预紧器的设计是基于防静电释放，也不可能回避预紧器的设计是基于防静电释放，也不可能回避气囊气囊/预紧器发生爆炸的预紧器发生爆炸的 可能。可能。HSE-E Team EuropeWhy is ESD-protection

3、 Important ?为什么静电释放为什么静电释放保护保护特别重要？特别重要？HSE-E Team EuropeExamples of Static Electricity 静电例子静电例子Lightning闪电闪电Zap from a door瞬间接触门把手瞬间接触门把手HSE-E Team EuropeExamples of Static Electricity 静电例子静电例子Separation分离分离HSE-E Team EuropeExamples of Static Electricity静电例子静电例子 Friction and Separation摩擦和分离摩擦和分离HSE

4、-E Team EuropeStatic Discharge静电释放静电释放 w Conductors导体导体A Charge conductor can be neutralized by connecting it to earth ground.当一带电导体和地接触时，电荷就被中当一带电导体和地接触时，电荷就被中和。和。HSE-E Team EuropeStatic Discharge 静电释放静电释放w Insulators绝缘体绝缘体 A charged insulator can remain charged for many hours. Opposite polarity ch

5、arges can exist on an insulator at the same time. 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。一绝缘体中。 Charges will not migrate on insulators.电荷在绝缘体中不能移动。电荷在绝缘体中不能移动。 Grounding insulators neither removes nor prevents surface charges.接地绝缘体既不能转移也不能防止表面电荷。接地绝缘体既不能转移也不能防止表面电荷。 HSE-E Team E

6、uropeTypical Electrostatic Voltages 典型静电电压典型静电电压Walking across a carpet当在地毯上行走时。当在地毯上行走时。HSE-E Team EuropeTypical Electrostatic Voltages典型的静电电压典型的静电电压 Walking over untreatedvinyl floor当在没有经过特殊处理当在没有经过特殊处理的人造革地面上行走时的人造革地面上行走时。HSE-E Team EuropeTypical Electrostatic Voltages 典型的静电电压典型的静电电压Vinyl envelop

7、e usedfor work instructions用于装工作指导书的人造革封皮用于装工作指导书的人造革封皮HSE-E Team EuropeTypical Electrostatic Voltages 典型的静电电压典型的静电电压Picking up a plastic bag捡起塑料袋捡起塑料袋HSE-E Team EuropeControl of Electrostatic Dischargearising from People 操作过程中产生的静电释放控制操作过程中产生的静电释放控制 Accidental pick upof electrostatic loads意外接触静电荷所致

8、后果意外接触静电荷所致后果Isolating Mator Floor隔离的地垫和地板隔离的地垫和地板Safety ShoesR 107安全鞋电阻大于安全鞋电阻大于107欧姆欧姆No direct path to the groundWRONG: Basic Principle错误：基本原则错误：基本原则Worker has noconductive path to earth操作工人无接地途径操作工人无接地途径Part with live airbag or pretensioner尽量不要接尽量不要接触未安装触未安装的气囊模块的气囊模块或预紧器或预紧器HSE-E Team EuropeCon

9、trol of Electrostatic Discharge arising from People 操作过程中产生的静电释放控制操作过程中产生的静电释放控制Accidental pick up of electrostatic loads will be transferred to ground即使意外接触静电荷也即使意外接触静电荷也会被释放到大地会被释放到大地Dissipative Mator Floor防静电地垫防静电地垫/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. 避免烟火技术装置装配处的静电场避免烟火技术装置装配处的静电场= 200 V/m。 Wear whenever possible clothes in cotton.穿棉质工作服。穿棉质工作服。If safety gloves are needed, wear cotton-gloves or gloves without fingertips.如果需要戴手套，应该戴棉手套或不带手指的手套。如果需要戴手套，应该戴棉手套或不带手指的手套。 Follow the local work instructions to protect against ESD/ EMI. 遵守防遵守防ESD/EM

11、I当地工作指导。当地工作指导。HSE-E Team EuropeProtection against ESD ALWAYS必须保证必须保证: Notify colleagues, visitors that safety rules have to be followed by everybody. 通知员工、参观者安全准则每个人都应该遵守。通知员工、参观者安全准则每个人都应该遵守。 Report any deficiency on machines, devices, grounding cables etc. immediately.如果机械、设备、接地线出现异常，立即报告。如果机械、设备

12、、接地线出现异常，立即报告。 Report any noticeable static discharge immediately. 重要的静电释放立即报告。重要的静电释放立即报告。 HSE-E Team EuropeProtection against ESD NEVER不要不要: Never Remove the cable or the shunt to a pyrotechnic device.千万不要拆气囊模块线束；千万不要拆气囊模块线束； Never Apply electrical power to pyrotechnical device.千万不要把气囊千万不要把气囊/预紧器通

13、电。预紧器通电。 Never Store pyrotechnical devices in boxes made out of insulating materials.不要采用由绝缘材料制造的箱体来存储热爆技术装置不要采用由绝缘材料制造的箱体来存储热爆技术装置 Never Work on the production line when not wearing the proper footwear.必须穿合适的鞋套在装配线上操作。必须穿合适的鞋套在装配线上操作。 HSE-E Team EuropeProtection against ESD NEVER千万不要千万不要: 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).在气囊模块装配区、存放区的在气囊模块装配区、存放区的5米之内千万不要使用手机、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对讲机等（只有发射信号弱的手机 是允许的）。是允许的）。 Never tamper with pyrotechnical devices or with their electric connectors。不要拆卸气囊不要拆卸气囊/预紧器和它们的电插头预紧器和它们的电插头 。 HSE-E Team EuropeProtection against ESD Contact 联系：联系： HSE-E Team HSE-E小组小组 Airbag