基于Optistruct的电池包箱体上盖优化设计

doi:10.16039/j.cnki.cn22-1249.2020.07.006

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摘要

采用ANSYS Workbench平台对电池包箱体进行静、动态有限元分析，得到箱体结构的薄弱位置，并在上盖表面设置凸包结构进行局部加强。基于Optistruct软件运用形貌优化技术，优化上盖的局部刚度，获得了最终凸包结构的几何参数和平面布局，建立了优化后箱体上盖的三维模型。经验证，优化后上盖最大变形量较优化前降低了72%，其一阶固有频率为28.55Hz, 可避免共振情况发生，最大等效应力为101MPa。优化后上盖的刚度、强度得到显著提升，此研究为进一步分析实际电池包箱体结构奠定基础。

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	谭丽辉
	刘庆
	李春阳

关键词: 电池包箱体上盖优化设计

Abstract:

In this paper ANSYS Workbench platform is used for static and dynamic finite element analysis of the battery enclosure, and the weak position of the box structure is obtained, then emboss structure is designed on the surface of the upper cover for local reinforcement. Based on the topography optimization technique of the Optistruct software, the geometric parameters and plane layout of the enclosure structure are obtained by optimizing the local stiffness of the upper cover , final the three-dimensional model of the optimized upper cover is established. It is verified that the maximum deformation of the upper cover is reduced by 71.73% and the first natural frequency has reached the design requirement, the stiffness of the upper cover is improved significantly, which lays the foundation for further research on the actural structure of battery pack enclosure.

Key words: battery pack enclosure the upper cover optimization design

出版日期: 2020-07-25 发布日期: 2020-07-25 整期出版日期: 2020-07-25

TH123.1

引用本文:

谭丽辉, 刘庆, 李春阳. 基于Optistruct的电池包箱体上盖优化设计 [J]. 吉林化工学院学报, 2020, 37(7): 22-26.
TAN Lihui, LIU Qing, LI Chunyang. Optimization Design of the Upper Cover of Battery Pack Enclosure based on Optistruct . Journal of Jilin Institute of Chemical Technology, 2020, 37(7): 22-26.

链接本文:

https://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2020.07.006 或 https://xuebao.jlict.edu.cn/CN/Y2020/V37/I7/22

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