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汽车安全与节能学报

汽车安全与节能学报 ›› 2013, Vol. 4 ›› Issue (3): 232-237.DOI: 10.3969/j.issn.1674-8484.2013.03.006

• 汽车安全 • 上一篇    下一篇

某车型正面偏置碰撞中踏板侵入超标的优化

管立君1，肖海涛1，祁洪娟1，刘卫国1, 2，王 纯1，周大永1，赵福全1, 2   

  1. （1. 浙江吉利汽车研究院有限公司，杭州 311228，中国；2. 浙江省汽车安全控制技术重点实验室，杭州 311228，中国
  • 收稿日期:2013-04-08 出版日期:2013-09-25 发布日期:2013-06-27
  • 作者简介:管立君（1980—），女（汉），山东，工程师。
  • 基金资助:

    浙江省汽车安全控制技术重点实验室建设 (2009E10012)

Optimization of excessive pedal intrusion in 40 % offset crash on a specific vehicle

GUAN Lijun1, XIAO Haitao1, QI Hongjuan1, LIU Weiguo1,2, WANG Chun1, ZHOU Dayong1, ZHAO Fuquan1,2   

  1. 1. Geely Automobile Research Institute, Hangzhou 311228, China; 2. Zhejiang Key Laboratory of Automobile Safety Technology, Hangzhou 311228, China
  • Received:2013-04-08 Online:2013-09-25 Published:2013-06-27

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摘要： 64 km/h 40% 正面可变形壁障偏置碰撞是中国新车评价规则（C-NCAP）和欧洲新车评价规则
（Euro-NCAP）测试重点考核的项目。为解决某车型在这种碰撞中存在的踏板侵入量严重超标问题，该
文使用整车碰撞仿真模型，计算了踏板安装区域的变形程度，分析了机舱纵梁的变形模式，优化了车
身结构，增大机舱左纵梁的吸能效果和优化变形模式，加强中央通道区域的强度。仿真验证的结果
表明：优化后碰撞中，油门踏板后移量降低了48.5%，上移量降低了29.1% ；降低了踏板安装区域结构
的变形，降低了踏板侵入量。因此，该优化方案解决了踏板侵入量超标问题，提升了整车安全性能。

关键词: 汽车安全, 正面碰撞\偏置可变形壁障（ODB）, 偏置碰撞, 踏板侵入, 优化, 新车评价规程（NCAP）

Abstract: The 64-km/h 40% offset deformable barrier (ODB) frontal crash is an important item in the China
New Car Assessment Program (C-NCAP) and inthe Euro-NCAP test. This paper calculates the deformation at
pedal fixing area using a vehicle crash simulation model and analyzes deformation mode of side rail in engine
room to solve the excessive pedal intrusion into a vehicle in 40% offset crash, and gives an optimized solution
to vehicle body structure. The simulation validation results show that acceleration pedal reward is reduced by
48.5% with the upward being reduced by 29.1%, therefore, center tunnel area strength is enhanced, and pedal
fixing area structural deformation is lessened incrashes,which improves the energy-absorbing effect of left side
rail in engine room, perfects deformation mode, and reduces pedal intrusion. Therefore, the optimized solution
solves excessive pedal intrusion of this vehicle, therefore improving vehicle safety.

Key words: vehicle safety, frontal crash, offset crash, offset deformable barrier (ODB), pedal intrusion, optimization, new car assessment program (NCAP)

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