乘用车膝部台架碰撞试验装置的研究与应用

Research and Application of Knee Crash Test Equipment for Passenger Car

提出并设计了一种膝部模块冲击仪表板的试验方法及试验台架,用于复现实车碰撞中假人腿部与仪表板的碰撞接触情况,针对性地研究膝部与仪表板的碰撞过程,通过高速摄像动态位移计算方法获得膝部在仪表板上的侵入量曲线,并进行插值整合,获取假人腿部伤害指标随膝部在仪表板上侵入量的变化关系,直观地反映与验证仪表板对腿部的碰撞保护性能。

A test method and test bench for knee module impacting dashboard were proposed and designed,to reproduce the contact of the dummy leg with dashboard in real vehicle crash.The collision process between the knee and the dashboard in the car was studied pertinently,and the knee invasion curve on the dashboard was obtained by the high-speed camera dynamic displacement calculation method,which was interpolated and integrated to obtain the relationship between the injury index of the dummy leg and the amount of knee intrusion on the dashboard,to directly reflect and verify the collision protection performance of the dashboard to the leg.