Article(id=1208718302122217594, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1208718299400106845, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20230355, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1766110500125, onlineDateStr=2025-12-19, pubDate=1724083200000, pubDateStr=2024-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766110500125, onlineIssueDateStr=2025-12-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766110500125, creator=13701087609, updateTime=1766110500125, updator=13701087609, issue=Issue{id=1208718299400106845, tenantId=1146029695717560320, journalId=1189873562199433220, year='2024', volume='', issue='8', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766110499477, creator=13701087609, updateTime=1766110499477, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=1, endPage=6, ext={EN=ArticleExt(id=1208718302336127110, articleId=1208718302122217594, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Research on the A-Pillar Structure to Improve the Safety of Automobile Small Offset Collision, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=
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.
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基于中国保险汽车安全指数25%偏置碰撞工况,对某新能源汽车A柱的结构设计方案进行了研究。对比分析了基础结构、复合车身解决方案(Composite Body Solutions, CBS)胶块增强结构、热气胀形管梁增强结构对碰撞安全性的影响,介绍了CBS胶块和热气胀形的制造工艺,并对热气胀形工艺进行了仿真分析,对比分析2种增强结构的工装投入和单件成本。研究发现,在均能实现小偏置碰撞安全性优秀等级的前提下,1 500 MPa热气胀管梁方案在单件成本及轻量化方面比CBS胶块方案更具优势。
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赵坤民(1971—),男,博士学位,高级工程师,研究方向为车身设计与制造。
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刘多加(1983—),男,学士学位,中级工程师,研究方向为车身设计。
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Great Designs in Steel 2023., articleTitle=null, refAbstract=null)], funds=[Fund(id=1208739446829215797, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, awardId=51775160, language=CN, fundingSource=国家自然科学基金项目(51775160), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1208739437874377432, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, xref=1, ext=[AuthorCompanyExt(id=1208739437882766041, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, companyId=1208739437874377432, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1 合众新能源汽车股份有限公司, 嘉兴 318000)]), AuthorCompany(id=1208739437970846431, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, xref=2, ext=[AuthorCompanyExt(id=1208739437979235040, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, companyId=1208739437970846431, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 大连理工大学, 大连 116024)])], figs=[ArticleFig(id=1208739441561170836, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=ZPM3tFc7AF9FmhauMXy+hA==, figureFileBig=uCOUVX9FNt76086K7nzdxw==, tableContent=null), ArticleFig(id=1208739441653445526, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图1, caption=
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小偏置碰车身传力路径, figureFileSmall=y0ksPe7Ia9shkgeftSa62A==, figureFileBig=AXnXRNfhxzFRAO78W8amoA==, tableContent=null), ArticleFig(id=1208739442160956334, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=qRWk4+4WzjOV9EENFypQJg==, figureFileBig=TfE5DlMb9R9D+5G4KhVb+A==, tableContent=null), ArticleFig(id=1208739442295174067, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图4, caption=
基础方案及型腔示意图, figureFileSmall=qRWk4+4WzjOV9EENFypQJg==, figureFileBig=TfE5DlMb9R9D+5G4KhVb+A==, tableContent=null), ArticleFig(id=1208739442387448757, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=VGihomvsvxF2W7zpbxQ0JA==, figureFileBig=j8HY20sBY/u5sYeMHwUkKg==, tableContent=null), ArticleFig(id=1208739442496500666, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图5, caption=
CBS胶块增强方案及型腔截面, figureFileSmall=VGihomvsvxF2W7zpbxQ0JA==, figureFileBig=j8HY20sBY/u5sYeMHwUkKg==, tableContent=null), ArticleFig(id=1208739442609746879, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=Ks/8XHK0wfL1hq4cgDI2tw==, figureFileBig=vWrieTpK/IKNCOHw8ezg2A==, tableContent=null), ArticleFig(id=1208739442710410179, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图6, caption=
热气胀管梁增强方案及型腔截面, figureFileSmall=Ks/8XHK0wfL1hq4cgDI2tw==, figureFileBig=vWrieTpK/IKNCOHw8ezg2A==, tableContent=null), ArticleFig(id=1208739442836239306, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=vjpLjFS14O/+V2LcnWcTEQ==, figureFileBig=iGExvkQ5PLVxaPzizmCd3Q==, tableContent=null), ArticleFig(id=1208739442953679823, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图7, caption=
CBS胶块生产过程, figureFileSmall=vjpLjFS14O/+V2LcnWcTEQ==, figureFileBig=iGExvkQ5PLVxaPzizmCd3Q==, tableContent=null), ArticleFig(id=1208739443100480470, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=UbaklaBRdvtlb5Rp0uULzQ==, figureFileBig=PJxRtLfj3vuz/l8Xd0QDjg==, tableContent=null), ArticleFig(id=1208739443217920987, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图8, caption=
CBS胶块焊装、涂装发泡过程, figureFileSmall=UbaklaBRdvtlb5Rp0uULzQ==, figureFileBig=PJxRtLfj3vuz/l8Xd0QDjg==, tableContent=null), ArticleFig(id=1208739443331167200, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=tCOzFb6s8JW2nLOZR4nRXw==, figureFileBig=6sjdFc1UZt2HZii7GKc2Ww==, tableContent=null), ArticleFig(id=1208739443431830501, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图9, caption=
不同温度下CBS材料性能曲线, figureFileSmall=tCOzFb6s8JW2nLOZR4nRXw==, figureFileBig=6sjdFc1UZt2HZii7GKc2Ww==, tableContent=null), ArticleFig(id=1208739443532493800, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=78dgPmqU4V/PHhn06jlb7Q==, figureFileBig=LzypOJ8XjKxShbxDiYSi0Q==, tableContent=null), ArticleFig(id=1208739443637351405, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图10, caption=
热气胀形工艺仿真, figureFileSmall=78dgPmqU4V/PHhn06jlb7Q==, figureFileBig=LzypOJ8XjKxShbxDiYSi0Q==, tableContent=null), ArticleFig(id=1208739443729626099, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=ImEb7gI3PEw5AMvHDoyAdw==, figureFileBig=GfiXi+tPnuopgCjGqFvebA==, tableContent=null), ArticleFig(id=1208739443838678008, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图11, caption=
零件性能仿真分析, figureFileSmall=ImEb7gI3PEw5AMvHDoyAdw==, figureFileBig=GfiXi+tPnuopgCjGqFvebA==, tableContent=null), ArticleFig(id=1208739443918369789, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=v2mmIJHNh5RLbt976n07Og==, figureFileBig=QVMwrG3l2gPkp4vXz4ykOQ==, tableContent=null), ArticleFig(id=1208739443989671936, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图12, caption=
热成形钢材料性能曲线, figureFileSmall=v2mmIJHNh5RLbt976n07Og==, figureFileBig=QVMwrG3l2gPkp4vXz4ykOQ==, tableContent=null), ArticleFig(id=1208739444060975108, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=uMy7Vkq6WrzbASqyVofeMg==, figureFileBig=W0mBjl84Cy7lHNE2cvuZWA==, tableContent=null), ArticleFig(id=1208739444190998536, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图13, caption=
小偏置碰数值仿真变形情况, figureFileSmall=uMy7Vkq6WrzbASqyVofeMg==, figureFileBig=W0mBjl84Cy7lHNE2cvuZWA==, tableContent=null), ArticleFig(id=1208739444258107404, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=XdhCXPRbzlkHt6mbE6TeCA==, figureFileBig=xF5gqpZkDVFvuhaJEzSCaA==, tableContent=null), ArticleFig(id=1208739444358770701, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图14, caption=
小偏置碰数值仿真能量模式, figureFileSmall=XdhCXPRbzlkHt6mbE6TeCA==, figureFileBig=xF5gqpZkDVFvuhaJEzSCaA==, tableContent=null), ArticleFig(id=1208739444446851089, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=AWtWbiO9Vh2WNAf9XUxwlw==, figureFileBig=c/o467+NKG2T3F0yGT1aiA==, tableContent=null), ArticleFig(id=1208739444530737173, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图15, caption=
小偏置碰撞试验过程及车身变形情况, figureFileSmall=AWtWbiO9Vh2WNAf9XUxwlw==, figureFileBig=c/o467+NKG2T3F0yGT1aiA==, tableContent=null), ArticleFig(id=1208739444614623256, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=pDECEf/3enxlRIP/2K7M+Q==, figureFileBig=I+MUL3FAl8p1n3RaA0YsHA==, tableContent=null), ArticleFig(id=1208739444702703643, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=图16, caption=
乘员舱侵入量对比, figureFileSmall=pDECEf/3enxlRIP/2K7M+Q==, figureFileBig=I+MUL3FAl8p1n3RaA0YsHA==, tableContent=null), ArticleFig(id=1208739444778201120, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 零部件 名称 | 材料 | 料厚 /mm | 质量 /kg | 成形 工艺 | 连接 方式 |
CBS胶块 方案 | A柱上 加强板 | 1500HS | 1.2 | 1.05 | 热成形 | 卡接 |
CBS-胶 粘骨架 | PA6+ GF35+胶 | 2.5 | 0.68 | 注塑 | 卡接 |
| A柱内板 | 1800HS | 1.8 | 1.37 | 热成形 | 点焊 |
热胀气 方案 | A柱上 加强板 | 1500HS | 1.2 | 1.05 | 热成形 | 烧焊 |
热气胀 管梁 | 1500HS | 1.6 | 0.59 | 热气胀 | 烧焊 |
| A柱内板 | 1800HS | 1.8 | 1.37 | 热成形 | 点焊 |
), ArticleFig(id=1208739444857892898, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1208718302122217594, language=CN, label=表1, caption=
A柱增强方案对比
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| 零部件 名称 | 材料 | 料厚 /mm | 质量 /kg | 成形 工艺 | 连接 方式 |
CBS胶块 方案 | A柱上 加强板 | 1500HS | 1.2 | 1.05 | 热成形 | 卡接 |
CBS-胶 粘骨架 | PA6+ GF35+胶 | 2.5 | 0.68 | 注塑 | 卡接 |
| A柱内板 | 1800HS | 1.8 | 1.37 | 热成形 | 点焊 |
热胀气 方案 | A柱上 加强板 | 1500HS | 1.2 | 1.05 | 热成形 | 烧焊 |
热气胀 管梁 | 1500HS | 1.6 | 0.59 | 热气胀 | 烧焊 |
| A柱内板 | 1800HS | 1.8 | 1.37 | 热成形 | 点焊 |
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| 工艺参数 | 数值 |
| 管坯加热温度/℃ | 950 |
| 加热件传递时长/s | 5 |
| 模具工作温度/℃ | 20 |
| 加热件模内等待时长/s | 4 |
| 压机下行时长/s | 5 |
| 压机合模力/t | 1 000 |
| 轴向进给/mm | 0 |
| 胀形时长/s | 5 |
| 保压淬火时长/s | 12 |
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热气胀形工艺参数
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| 工艺参数 | 数值 |
| 管坯加热温度/℃ | 950 |
| 加热件传递时长/s | 5 |
| 模具工作温度/℃ | 20 |
| 加热件模内等待时长/s | 4 |
| 压机下行时长/s | 5 |
| 压机合模力/t | 1 000 |
| 轴向进给/mm | 0 |
| 胀形时长/s | 5 |
| 保压淬火时长/s | 12 |
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| 测点位置 | 优秀 | 基础 方案 | CBS胶块方案 | 热气胀方案 |
| 乘员舱下部 | A柱下铰链 | <150 | 84 | 32 | 40 |
| 左侧搁脚板 | <150 | 109 | 20 | 25 |
| 左侧足板 | <150 | 143 | 16 | 18 |
| 制动踏板 | <150 | 139 | 33 | 30 |
| 驻车制动踏板 | <150 | 0 | 0 | 0 |
| 门槛 | <50 | 24 | 3 | 4 |
| 乘员舱上部 | 转向管柱 | <50 | 75 | 36 | 32 |
| A柱上铰链 | <75 | 76 | 30 | 29 |
| 上仪表板 | <75 | 93 | 37 | 35 |
| 左下方仪表板 | <75 | 90 | 33 | 34 |
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乘员舱测量点侵入量 mm
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| 测点位置 | 优秀 | 基础 方案 | CBS胶块方案 | 热气胀方案 |
| 乘员舱下部 | A柱下铰链 | <150 | 84 | 32 | 40 |
| 左侧搁脚板 | <150 | 109 | 20 | 25 |
| 左侧足板 | <150 | 143 | 16 | 18 |
| 制动踏板 | <150 | 139 | 33 | 30 |
| 驻车制动踏板 | <150 | 0 | 0 | 0 |
| 门槛 | <50 | 24 | 3 | 4 |
| 乘员舱上部 | 转向管柱 | <50 | 75 | 36 | 32 |
| A柱上铰链 | <75 | 76 | 30 | 29 |
| 上仪表板 | <75 | 93 | 37 | 35 |
| 左下方仪表板 | <75 | 90 | 33 | 34 |
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| 参数 | CBS胶块 | 热气胀管梁 |
| 质量/kg | 0.68 | 0.59 |
| 一次性工装费用/万元 | 70 | 165 |
| 单车费用/元 | 73 | 43 |
| 开发周期/月 | 2 | 4 |
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方案成本对比
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| 参数 | CBS胶块 | 热气胀管梁 |
| 质量/kg | 0.68 | 0.59 |
| 一次性工装费用/万元 | 70 | 165 |
| 单车费用/元 | 73 | 43 |
| 开发周期/月 | 2 | 4 |
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