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Research on the A-Pillar Structure to Improve the Safety of Automobile Small Offset Collision
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Duojia Liu1, Meilin Qian1, Haiqin Chen1, Can Li1, Kunmin Zhao1, 2
Automobile Technology & Material | 2024, (8) : 1 - 6
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Automobile Technology & Material | 2024, (8): 1-6
Research on the A-Pillar Structure to Improve the Safety of Automobile Small Offset Collision
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Duojia Liu1, Meilin Qian1, Haiqin Chen1, Can Li1, Kunmin Zhao1, 2
Affiliations
  • 1 Hozon New Energy Automobile Co., Ltd., Jiaxing 318000
  • 2 Dalian University of Technology, Dalian 116024
Published: 2024-08-20 doi: 10.19710/J.cnki.1003-8817.20230355
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Based on the 25% offset collision condition defined by the China Insurance Research Institute, this paper studies the structural design scheme of the A-pillar of a new energy vehicle. The effect on the crash safety of the basic structure, CBS rubber block reinforced structure, and hot blow forming tube reinforced structure are evaluated and compared. The manufacturing process of CBS rubber block and tube hot blow forming are introduced, and the hot blow forming process is simulated and analyzed. The tooling capital investment and unit cost of the two reinforced structures are further analyzed. The study shows that in the case of achieving an excellent level of small offset collision safety, the 1 500 MPa tube hot blow forming scheme has more advantages than the CBS rubber block scheme in terms of unit cost and light weight.

Crash safety  /  Small offset collision  /  Auto body A-pillar  /  Hot blow forming  /  CBS rubber block
Duojia Liu, Meilin Qian, Haiqin Chen, Can Li, Kunmin Zhao. Research on the A-Pillar Structure to Improve the Safety of Automobile Small Offset Collision[J]. Automobile Technology & Material, 2024 , (8) : 1 -6 . DOI: 10.19710/J.cnki.1003-8817.20230355
Year 2024 volume Issue 8
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doi: 10.19710/J.cnki.1003-8817.20230355
  • Online Date:2025-12-19
  • Published:2024-08-20
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    1 Hozon New Energy Automobile Co., Ltd., Jiaxing 318000
    2 Dalian University of Technology, Dalian 116024
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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