The invention discloses an automobile pedestrian protection method and an automobile front bumper safety airbag, which can protect legs of a pedestrian after the pedestrian collides with the front surface of an automobile. The automobile pedestrian protection method comprises the following steps that 1, an automobile front bumper safety airbag is arranged in an automobile front bumper, and a weakening opening is formed in the position, corresponding to the automobile front bumper, of the surface of the automobile front bumper; 2, when the automobile runs at the speed of more than 25km/h and apedestrian is about to collide with the automobile front bumper within 50ms to 100ms, igniting a gas generator of an automobile front bumper safety airbag arranged in the automobile front bumper; and3, then the air bag is inflated, so that the air bag rushes out of the weakening opening of the automobile front bumper and is unfolded between the legs of the pedestrian and the automobile front bumper as well as the front end of the automobile engine hood. According to the invention, the pedestrian leg protection requirement of the Euro-NCAP 2021 standard is met.
一种在行人与汽车正面发生碰撞后可对行人腿部进行保护的汽车行人保护方法及汽车前保险杠安全气囊。涉及的汽车行人保护方法,其步骤如下:1、将汽车前保险杠安全气囊安装于汽车前保险杠内部,在汽车前保险杠表面对应汽车前保险杠位置设有弱化口;2、在汽车以大于25km/h速度行驶时,当行人即将在50ms‑100ms与汽车前保险杠发生碰撞时,安装于汽车前保险杠内部的汽车前保险杠安全气囊的气体发生器点火;3、然后,给气袋充气,使气袋冲出汽车前保险杠的弱化口,展开在行人腿部与汽车前保险杠以及汽车发动机舱盖前端之间。本发明满足Euro‑NCAP 2021标准的行人腿部保护要求。
Automobile pedestrian protection method and automobile front bumper safety airbag
汽车行人保护方法及汽车前保险杠安全气囊
2020-06-26
Patent
Elektronische Ressource
Chinesisch
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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