文章摘要
孙宁国,李良春,张俊坤,高飞.主辅式气囊排气口设置及其阈值参数研究[J].包装工程,2017,38(19):153-157.
SUN Ning-guo,LI Liang-chun,ZHANG Jun-kun,GAO Fei.Vent Setting and Threshold Parameters of Slave-master Airbag[J].Packaging Engineering,2017,38(19):153-157.
主辅式气囊排气口设置及其阈值参数研究
Vent Setting and Threshold Parameters of Slave-master Airbag
投稿时间:2017-04-08  修订日期:2017-10-10
DOI:
中文关键词: 主辅式气囊  排气口  阈值  缓冲
英文关键词: slave-master airbag  vent  threshold  cushioning
基金项目:
作者单位
孙宁国 陆军工程大学石家庄 050000 
李良春 军械技术研究所石家庄 050000 
张俊坤 军械技术研究所石家庄 050000 
高飞 军械技术研究所石家庄 050000 
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中文摘要:
      目的 分析主辅式气囊排气口面积与开启气压阈值对气囊冲击加速度、速度等缓冲特性产生的影响,以提高气囊缓冲性能。方法 根据动力学与热力学相关理论建立排气口有开启阈值的主辅式气囊理论模型。结果 增大主气囊排气口面积可使载荷加速度第1峰值减小,第2峰值增大,增大主气囊排气阈值效果相反;增大辅气囊排气口面积,载荷第2加速度峰值减小,增大辅气囊排气阈值效果相反。结论 通过文中的解析模型合理设计了主、辅气囊排气口面积,对主气囊排气口设开启阈值可有效降低气囊过载,提高了气囊缓冲性能。
英文摘要:
      The work aims to analyze the influence of vent area and opening pressure threshold of the slave-master airbag on the airbag impact acceleration, speed and other cushioning characteristics, so as to improve the airbag cushioning performance. The theoretical model for the slave-master airbag with the opening vent thresholds was established according to the relevant theories of dynamics and thermodynamics. The increase in the master airbag’s vent area could reduce the first peak of the load acceleration and increase the second peak. Reverse effects would be achieved with the increase in the master airbag’s exhaust threshold. The increase in the vent area of the slave airbag, the second acceleration peak of the load would be reduced. Reverse effects would be achieved with the increase in the slave airbag’s exhaust threshold. Through the analytical model herein, the vent area of the slave-master airbag was reasonably designed. The opening threshold set for the master airbag vent can effectively reduce the airbag overload and it has improved the strong cushioning performance.
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