Article(id=1153780538327425086, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1153780537878634558, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2024.01.014, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1685462400000, receivedDateStr=2023-05-31, revisedDate=1687795200000, revisedDateStr=2023-06-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1753012316543, onlineDateStr=2025-07-20, pubDate=1706112000000, pubDateStr=2024-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753012316543, onlineIssueDateStr=2025-07-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753012316543, creator=13701087609, updateTime=1753012316543, updator=13701087609, issue=Issue{id=1153780537878634558, tenantId=1146029695717560320, journalId=1146120084050784272, year='2024', volume='46', issue='1', pageStart='1', pageEnd='186', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=0, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753012316436, creator=13701087609, updateTime=1753067606853, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1154012442750345936, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1153780537878634558, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1154012442750345937, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1153780537878634558, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=128, endPage=138, ext={EN=ArticleExt(id=1153780538679746624, articleId=1153780538327425086, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Thermal Analysis and Optimization Design of a BMS Slave Unit for Electric Vehicles, columnId=1149809889280750125, journalTitle=Automotive Engineering, columnName=Selected Papers, runingTitle=null, highlight=
For the problem of high temperature and uneven distribution affecting the power and safety of the electric vehicle during the battery management systems slave control board's service,a commercial BMS slave control board thermal analysis model is built and verified using the CFD theory and Icepak software. For the first time under vehicle service conditions,temperature field analysis and thermal uniformity optimization research are carried out based on the thermal analysis model. The BMS slave control board thermal simulation analysis shows that the balancing and power supply modules exceed the BMS's design temperature limit of 60 °C due to local heat accumulation,with the maximum temperature difference of the entire BMS slave control board being 21.0 ℃. A heat dissipation path analysis of the BMS slave control board is further carried out,and heat dissipation optimization design is realized by altering the distance,layout of the balancing resistor,PCB substrate and adding thermal pads. By increasing the heat dissipation capacity of the BMS slave control board,the highest temperature of the BMS slave control board can be controlled below the design limit of 60 ℃,and the temperature difference of the entire circuit board can be reduced to 6.9 ℃,which enhances the safety and reliability of the BMS slave control board under actual vehicle service conditions,providing theoretical methods for the thermal design and optimization of the BMS slave control board.
, articleAbstract=
For the problem of high temperature and uneven distribution affecting the power and safety of the electric vehicle during the battery management systems slave control board's service, a commercial BMS slave control board thermal analysis model is built and verified using the CFD theory and Icepak software. For the first time under vehicle service conditions, temperature field analysis and thermal uniformity optimization research are carried out based on the thermal analysis model. The BMS slave control board thermal simulation analysis shows that the balancing and power supply modules exceed the BMS's design temperature limit of 60 °C due to local heat accumulation, with the maximum temperature difference of the entire BMS slave control board being 21.0 °C. A heat dissipation path analysis of the BMS slave control board is further carried out, and heat dissipation optimization design is realized by altering the distance, layout of the balancing resistor, PCB substrate and adding thermal pads. By increasing the heat dissipation capacity of the BMS slave control board, the highest temperature of the BMS slave control board can be controlled below the design limit of 60 °C, and the temperature difference of the entire circuit board can be reduced to 6.9 °C, which enhances the safety and reliability of the BMS slave control board under actual vehicle service conditions, providing theoretical methods for the thermal design and optimization of the BMS slave control board.
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*, columnId=1149809889410773550, journalTitle=汽车工程, columnName=精选论文, runingTitle=null, highlight=
针对电动汽车电池管理系统从控板服役过程中因温度过高和不均影响整车动力性、安全性问题,本文基于CFD理论,采用Icepak软件建立并验证了某商用BMS从控板热分析模型。首次在车载服役条件下,基于热分析模型开展了温度场分析和热均匀性优化研究。BMS从控板热仿真分析表明,均衡模块及供电模块因局部积热温度均超过BMS的设计温度限值60 ℃,整个BMS从控板最大温差为21.0 ℃。为此,进一步开展了BMS从控板散热路径分析,并通过改变均衡电阻间距、布局、PCB基材以及增设导热硅胶垫进行散热优化设计。提高了BMS从控板的散热能力,使BMS从控板的最高温度控制在设计规定值60 ℃以下,同时整个电路板的温差降为6.9 ℃,提高了BMS从控板在实际车载服役条件下的安全性和可靠性,可望为BMS从控板热设计与优化提供理论方法。
, articleAbstract=
针对电动汽车电池管理系统从控板服役过程中因温度过高和不均影响整车动力性、安全性问题,本文基于CFD理论,采用Icepak软件建立并验证了某商用BMS从控板热分析模型。首次在车载服役条件下,基于热分析模型开展了温度场分析和热均匀性优化研究。BMS从控板热仿真分析表明,均衡模块及供电模块因局部积热温度均超过BMS的设计温度限值60℃,整个BMS从控板最大温差为21.0℃。为此,进一步开展了BMS从控板散热路径分析,并通过改变均衡电阻间距、布局、PCB基材以及增设导热硅胶垫进行散热优化设计。提高了BMS从控板的散热能力,使BMS从控板的最高温度控制在设计规定值60℃以下,同时整个电路板的温差降为6.9℃,提高了BMS从控板在实际车载服役条件下的安全性和可靠性,可望为BMS从控板热设计与优化提供理论方法。
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1 Hunan University,State Key Laboratory of Advanced Design and Manufacturing Technology for Vehicles,Changsha 410082
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1 湖南大学,整车先进设计制造技术全国重点实验室,长沙 410082
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2 湖南大学机械与运载工程学院,长沙 410082)])]), Author(id=1170305374281281753, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=lphe@hnu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1170305374348390620, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, authorId=1170305374281281753, language=EN, stringName=Liping He, firstName=Liping, middleName=null, lastName=He, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 Hunan University,State Key Laboratory of Advanced Design and Manufacturing Technology for Vehicles,Changsha 410082
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1 湖南大学,整车先进设计制造技术全国重点实验室,长沙 410082
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1 湖南大学,整车先进设计制造技术全国重点实验室,长沙 410082)]), AuthorCompany(id=1170305373966708938, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, xref=2, ext=[AuthorCompanyExt(id=1170305373975097547, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, companyId=1170305373966708938, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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简化后的BMS从控板几何模型视图, figureFileSmall=p3UM6Y2CFulbaLZ6DBy0ow==, figureFileBig=qg74TUwPcQwmj2D3XYEn5A==, tableContent=null), ArticleFig(id=1170305375841562868, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=HqD3lEI+1VyIegpDuQKP/A==, figureFileBig=SSH3IJSwGuVX762PnuqyBw==, tableContent=null), ArticleFig(id=1170305375908671733, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图3, caption=
BMS从控板外壳几何模型及尺寸参数, figureFileSmall=HqD3lEI+1VyIegpDuQKP/A==, figureFileBig=SSH3IJSwGuVX762PnuqyBw==, tableContent=null), ArticleFig(id=1170305375975780598, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=DDMZlBZrhgAJwuQp6/GLzw==, figureFileBig=5rp0Cke+WAqWtCES2A5nYg==, tableContent=null), ArticleFig(id=1170305376051278071, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图4, caption=
被动均衡单元简化电路, figureFileSmall=DDMZlBZrhgAJwuQp6/GLzw==, figureFileBig=5rp0Cke+WAqWtCES2A5nYg==, tableContent=null), ArticleFig(id=1170305376122581240, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=Qe7fdbcno8fH3hTGkT5UYg==, figureFileBig=VlaGcCS9EHgWfI0XuZ3uQw==, tableContent=null), ArticleFig(id=1170305376181301497, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图5, caption=
网格划分结果视图, figureFileSmall=Qe7fdbcno8fH3hTGkT5UYg==, figureFileBig=VlaGcCS9EHgWfI0XuZ3uQw==, tableContent=null), ArticleFig(id=1170305376244216058, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=9QGb0daaJucz1ydaGzOlRg==, figureFileBig=y5Sa5EPZfetfgUhw3r48nA==, tableContent=null), ArticleFig(id=1170305376315519227, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图6, caption=
BMS从控板温度测量试验平台示意图, figureFileSmall=9QGb0daaJucz1ydaGzOlRg==, figureFileBig=y5Sa5EPZfetfgUhw3r48nA==, tableContent=null), ArticleFig(id=1170305376378433788, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=7ocpvDXrkWeaUeUVNui+Gg==, figureFileBig=GmyS1XXAxnrF5uX3TM7DOQ==, tableContent=null), ArticleFig(id=1170305376458125565, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图7, caption=
热电偶在BMS从控板上的安装位置, figureFileSmall=7ocpvDXrkWeaUeUVNui+Gg==, figureFileBig=GmyS1XXAxnrF5uX3TM7DOQ==, tableContent=null), ArticleFig(id=1170305376516845822, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=6ycdweLD3X0Q0zB97RiN3A==, figureFileBig=beFl05aOpUSIXfWMa1Oh+w==, tableContent=null), ArticleFig(id=1170305376571371775, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图8, caption=
不同工作环境温度下BMS从控板的最高温度, figureFileSmall=6ycdweLD3X0Q0zB97RiN3A==, figureFileBig=beFl05aOpUSIXfWMa1Oh+w==, tableContent=null), ArticleFig(id=1170305376651063552, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=W3EAd/XxkgrRrsNi/Kl/Og==, figureFileBig=XHldsPZ1CiqdKPS9fPMQ3Q==, tableContent=null), ArticleFig(id=1170305376709783809, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图9, caption=
散热路径及各传热形式对BMS从控板总散热贡献, figureFileSmall=W3EAd/XxkgrRrsNi/Kl/Og==, figureFileBig=XHldsPZ1CiqdKPS9fPMQ3Q==, tableContent=null), ArticleFig(id=1170305376776892674, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=PYfNT5h365gVAV3kaPOLqA==, figureFileBig=nmGzpd8bnukpC8X7tJzjlg==, tableContent=null), ArticleFig(id=1170305376835612931, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图10, caption=
原始BMS从控板均衡模块尺寸设计, figureFileSmall=PYfNT5h365gVAV3kaPOLqA==, figureFileBig=nmGzpd8bnukpC8X7tJzjlg==, tableContent=null), ArticleFig(id=1170305376890138884, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=eSh+khys6l/pE4F00ydoQw==, figureFileBig=uLPvIZwKD56Fv+FKrGCOgQ==, tableContent=null), ArticleFig(id=1170305376944664837, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图11, caption=
均衡电阻温度与间距的函数关系, figureFileSmall=eSh+khys6l/pE4F00ydoQw==, figureFileBig=uLPvIZwKD56Fv+FKrGCOgQ==, tableContent=null), ArticleFig(id=1170305377007579398, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=xqvbtOKIn1wDAPNAuHzUmQ==, figureFileBig=1VU7IZGSHpRo9i7pLC9qHg==, tableContent=null), ArticleFig(id=1170305377066299655, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图12, caption=
均衡电阻的5种布局方式, figureFileSmall=xqvbtOKIn1wDAPNAuHzUmQ==, figureFileBig=1VU7IZGSHpRo9i7pLC9qHg==, tableContent=null), ArticleFig(id=1170305377133408520, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=XWXGPGljT3Uhpfc2rZ/NnA==, figureFileBig=mAJKjS03MXBnaw+lroSrbw==, tableContent=null), ArticleFig(id=1170305377187934473, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图13, caption=
不同均衡电阻布局下BMS从控板温度云图, figureFileSmall=XWXGPGljT3Uhpfc2rZ/NnA==, figureFileBig=mAJKjS03MXBnaw+lroSrbw==, tableContent=null), ArticleFig(id=1170305377292792074, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=trTU8JtZ7MVJKulh7R/KRQ==, figureFileBig=LaewGvs+61HQFIeiPTkIpQ==, tableContent=null), ArticleFig(id=1170305377347318027, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图14, caption=
不同PCB基板材料下BMS从控板的温度云图, figureFileSmall=trTU8JtZ7MVJKulh7R/KRQ==, figureFileBig=LaewGvs+61HQFIeiPTkIpQ==, tableContent=null), ArticleFig(id=1170305377406038284, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=Rgv6if4vLLS8Vj5mq8mJWw==, figureFileBig=v1SknbVhJc657/LMGgqL5Q==, tableContent=null), ArticleFig(id=1170305377485730061, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图15, caption=
BMS从控板速度场云图, figureFileSmall=Rgv6if4vLLS8Vj5mq8mJWw==, figureFileBig=v1SknbVhJc657/LMGgqL5Q==, tableContent=null), ArticleFig(id=1170305377552838926, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=8whRlzKC3LPP+uBDLbKjwQ==, figureFileBig=Dts4ydKLtxSoaqmoR0RcQg==, tableContent=null), ArticleFig(id=1170305377619947791, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图16, caption=
导热硅胶垫尺寸数量及安装位置, figureFileSmall=8whRlzKC3LPP+uBDLbKjwQ==, figureFileBig=Dts4ydKLtxSoaqmoR0RcQg==, tableContent=null), ArticleFig(id=1170305377682862352, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=aQojIJAriE81+hvAVGEcJg==, figureFileBig=x2o33eSVFWrgjNk/o51/DA==, tableContent=null), ArticleFig(id=1170305377745776913, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=图17, caption=
安装导热硅胶垫后的BMS从控板温度云图, figureFileSmall=aQojIJAriE81+hvAVGEcJg==, figureFileBig=x2o33eSVFWrgjNk/o51/DA==, tableContent=null), ArticleFig(id=1170305377800302866, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 元器件编号 | 器件类别 | 功耗/ mW |
| R1,R3,R5,R7,R9,R11,R13,R15 | 均衡电阻 | 0 |
| R2,R4,R6,R8,R10,R12,R14,R16 | 均衡电阻 | 235.2 |
| U1 | 主控芯片 | 38.5 |
| R52,R54 | 负载电阻 | 9.8 |
| Q17 | 三极管 | 407.4 |
), ArticleFig(id=1170305377871606035, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=表1, caption=
BMS从控板热分析模型元器件功耗参数
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| 元器件编号 | 器件类别 | 功耗/ mW |
| R1,R3,R5,R7,R9,R11,R13,R15 | 均衡电阻 | 0 |
| R2,R4,R6,R8,R10,R12,R14,R16 | 均衡电阻 | 235.2 |
| U1 | 主控芯片 | 38.5 |
| R52,R54 | 负载电阻 | 9.8 |
| Q17 | 三极管 | 407.4 |
), ArticleFig(id=1170305378010018068, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 器件类别 | 主要材料 | 导热系数/(W∙m-1∙K-1) |
| PCB | FR-4,铜 | 25.23 (XY) 0.37 (Z) |
| 主控芯片 | 封装树脂 | 47.90 |
| 均衡电阻/负载电阻 | 氧化铝陶瓷 | 24.70 |
| 三极管 | 封装树脂 | 113.30 |
| 外壳 | AL 6061-T6 | 154.00 |
), ArticleFig(id=1170305378089709845, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=表2, caption=
元器件及外壳主要材料与导热系数
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| 器件类别 | 主要材料 | 导热系数/(W∙m-1∙K-1) |
| PCB | FR-4,铜 | 25.23 (XY) 0.37 (Z) |
| 主控芯片 | 封装树脂 | 47.90 |
| 均衡电阻/负载电阻 | 氧化铝陶瓷 | 24.70 |
| 三极管 | 封装树脂 | 113.30 |
| 外壳 | AL 6061-T6 | 154.00 |
), ArticleFig(id=1170305378152624406, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 元器件编号 | 试验结果/ ℃ | 仿真结果/ ℃ | 相对误差/% |
| R2 | 50.9 | 51.8 | 1.8 |
| R4 | 52.8 | 53.3 | 1.0 |
| R6 | 54.5 | 54.2 | 0.6 |
| R8 | 54.6 | 54.5 | 0.2 |
| R10 | 55.1 | 54.6 | 0.9 |
| R12 | 55.3 | 54.4 | 1.6 |
| R14 | 53.0 | 53.9 | 1.7 |
| R16 | 51.7 | 52.6 | 1.7 |
| U1 | 40.6 | 39.5 | 2.7 |
| Q17 | 49.4 | 48.9 | 1.0 |
), ArticleFig(id=1170305378223927575, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=表3, caption=
25 ℃环境温度下BMS从控板试验与仿真结果对比
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| 元器件编号 | 试验结果/ ℃ | 仿真结果/ ℃ | 相对误差/% |
| R2 | 50.9 | 51.8 | 1.8 |
| R4 | 52.8 | 53.3 | 1.0 |
| R6 | 54.5 | 54.2 | 0.6 |
| R8 | 54.6 | 54.5 | 0.2 |
| R10 | 55.1 | 54.6 | 0.9 |
| R12 | 55.3 | 54.4 | 1.6 |
| R14 | 53.0 | 53.9 | 1.7 |
| R16 | 51.7 | 52.6 | 1.7 |
| U1 | 40.6 | 39.5 | 2.7 |
| Q17 | 49.4 | 48.9 | 1.0 |
), ArticleFig(id=1170305378299425048, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 元器件编号 | 温度/°C |
| R2 | 70.2 |
| R4 | 71.6 |
| R6 | 72.4 |
| R8 | 72.8 |
| R10 | 72.9 |
| R12 | 72.7 |
| R14 | 72.1 |
| R16 | 70.9 |
| R52 | 60.1 |
| R54 | 59.3 |
| U1 | 56.9 |
| Q17 | 67.5 |
), ArticleFig(id=1170305378429448473, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=表4, caption=
环境温度为40 ℃时BMS从控板主要发热元器件温度
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| 元器件编号 | 温度/°C |
| R2 | 70.2 |
| R4 | 71.6 |
| R6 | 72.4 |
| R8 | 72.8 |
| R10 | 72.9 |
| R12 | 72.7 |
| R14 | 72.1 |
| R16 | 70.9 |
| R52 | 60.1 |
| R54 | 59.3 |
| U1 | 56.9 |
| Q17 | 67.5 |
), ArticleFig(id=1170305378559471898, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 间距方案 | D0 | D1 | D2 | D3 | D4 | D5 | D6 |
| 间距/mm | 4.47 | 5.00 | 5.50 | 6.00 | 6.50 | 7.00 | 7.50 |
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均衡电阻不同间距方案
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| 间距方案 | D0 | D1 | D2 | D3 | D4 | D5 | D6 |
| 间距/mm | 4.47 | 5.00 | 5.50 | 6.00 | 6.50 | 7.00 | 7.50 |
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| 元器件 编号 | Layout 1 | Layout 2 | Layout 3 | Layout 4 | Layout 5 |
| R2 | 69.5 | 69.6 | 69.6 | 69.0 | 69.2 |
| R4 | 69.7 | 70.3 | 69.5 | 70.0 | 69.9 |
| R6 | 70.4 | 69.9 | 70.5 | 69.9 | 69.3 |
| R8 | 70.1 | 70.6 | 70.1 | 70.6 | 70.0 |
| R10 | 70.8 | 70.3 | 70.7 | 70.3 | 69.7 |
| R12 | 70.4 | 70.7 | 70.4 | 70.8 | 70.2 |
| R14 | 70.8 | 70.4 | 70.4 | 70.2 | 70.1 |
| R16 | 70.2 | 70.1 | 69.8 | 70.2 | 70.5 |
| R52 | 60.2 | 60.3 | 60.3 | 60.2 | 60.3 |
| R54 | 59.4 | 59.5 | 59.5 | 59.4 | 59.5 |
| U1 | 56.8 | 56.8 | 56.8 | 56.8 | 56.8 |
| Q17 | 67.3 | 67.4 | 67.4 | 67.3 | 67.4 |
), ArticleFig(id=1170305378790158621, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=表6, caption=
不同布局方案下各发热元器件的温度 ℃
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| 元器件 编号 | Layout 1 | Layout 2 | Layout 3 | Layout 4 | Layout 5 |
| R2 | 69.5 | 69.6 | 69.6 | 69.0 | 69.2 |
| R4 | 69.7 | 70.3 | 69.5 | 70.0 | 69.9 |
| R6 | 70.4 | 69.9 | 70.5 | 69.9 | 69.3 |
| R8 | 70.1 | 70.6 | 70.1 | 70.6 | 70.0 |
| R10 | 70.8 | 70.3 | 70.7 | 70.3 | 69.7 |
| R12 | 70.4 | 70.7 | 70.4 | 70.8 | 70.2 |
| R14 | 70.8 | 70.4 | 70.4 | 70.2 | 70.1 |
| R16 | 70.2 | 70.1 | 69.8 | 70.2 | 70.5 |
| R52 | 60.2 | 60.3 | 60.3 | 60.2 | 60.3 |
| R54 | 59.4 | 59.5 | 59.5 | 59.4 | 59.5 |
| U1 | 56.8 | 56.8 | 56.8 | 56.8 | 56.8 |
| Q17 | 67.3 | 67.4 | 67.4 | 67.3 | 67.4 |
), ArticleFig(id=1170305378861461790, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 基板材料 | FR-4 | RO3010 | 92ML |
| 水平方向(XY)导热系数/(W∙m-1∙K-1) | 25.23 | 25.79 | 26.77 |
| 垂直方向(Z)导热系数/(W∙m-1∙K-1) | 0.37 | 1.02 | 2.14 |
), ArticleFig(id=1170305378920182047, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=表7, caption=
不同基板材料下PCB水平和垂直方向的导热系数
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| 基板材料 | FR-4 | RO3010 | 92ML |
| 水平方向(XY)导热系数/(W∙m-1∙K-1) | 25.23 | 25.79 | 26.77 |
| 垂直方向(Z)导热系数/(W∙m-1∙K-1) | 0.37 | 1.02 | 2.14 |
), ArticleFig(id=1170305378987290912, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 元器件编号 | FR-4 | RO3010 | 92ML |
| R2 | 69.6 | 66.1 | 64.7 |
| R4 | 70.3 | 66.7 | 65.3 |
| R6 | 69.9 | 66.4 | 65.0 |
| R8 | 70.6 | 67.1 | 65.7 |
| R10 | 70.3 | 66.8 | 65.4 |
| R12 | 70.7 | 67.2 | 65.8 |
| R14 | 70.4 | 66.9 | 65.5 |
| R16 | 70.1 | 66.7 | 65.3 |
| R52 | 60.3 | 60 | 59.8 |
| R54 | 59.5 | 59.6 | 56.7 |
| U1 | 56.8 | 56.8 | 56.9 |
| Q17 | 67.4 | 64.0 | 62.5 |
), ArticleFig(id=1170305379041816865, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1153780538327425086, language=CN, label=表8, caption=
不同PCB基板材料下各发热元器件的温度 ℃
, figureFileSmall=null, figureFileBig=null, tableContent=
| 元器件编号 | FR-4 | RO3010 | 92ML |
| R2 | 69.6 | 66.1 | 64.7 |
| R4 | 70.3 | 66.7 | 65.3 |
| R6 | 69.9 | 66.4 | 65.0 |
| R8 | 70.6 | 67.1 | 65.7 |
| R10 | 70.3 | 66.8 | 65.4 |
| R12 | 70.7 | 67.2 | 65.8 |
| R14 | 70.4 | 66.9 | 65.5 |
| R16 | 70.1 | 66.7 | 65.3 |
| R52 | 60.3 | 60 | 59.8 |
| R54 | 59.5 | 59.6 | 56.7 |
| U1 | 56.8 | 56.8 | 56.9 |
| Q17 | 67.4 | 64.0 | 62.5 |
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