[1]张三川,苗帅宾.基于热仿真的动力电池箱结构紧凑化参数优化[J].郑州大学学报(工学版),2020,41(03):37-41.[doi:10.13705/j.issn.1671-6833.2019.05.020]
　Zhang Sanchuan,Miao Shuaibin.Research on Structural Parameter Design Based on Thermal Simulation for High Density Displacement Power Battery Box[J].Journal of Zhengzhou University (Engineering Science),2020,41(03):37-41.[doi:10.13705/j.issn.1671-6833.2019.05.020]
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基于热仿真的动力电池箱结构紧凑化参数优化()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
41
期数:
2020年03期
页码:
37-41
栏目:
出版日期:
2020-07-29

文章信息/Info

Title:
Research on Structural Parameter Design Based on Thermal Simulation for High Density Displacement Power Battery Box
作者:
张三川; 苗帅宾
郑州大学机械与动力工程学院
Author(s):
Zhang Sanchuan; Miao Shuaibin
School of Mechanical and Power Engineering, Zhengzhou University
关键词:
纯电动汽车' target="_blank" rel="external">">纯电动汽车; 动力电池箱; 紧凑化设计; 流道参数; 热仿真分析; 
Keywords:
pure electric vehicles; Power battery box; Compact design; runner parameters; Thermal simulation analysis
DOI:
10.13705/j.issn.1671-6833.2019.05.020
文献标志码:
A
摘要:
为解决电动汽车动力电池箱内部电池模块的紧凑化布置设计问题，提出一种高密度错位排列新型模块化动力电池箱，采用热仿真方法研究了自然风2.5m/s情况下电池模块间形成流道的尺寸参数（列距、行距、边距、出入口直径）与电池箱内散热效果之间关系，确定了电池箱初步最佳结构参数；同时拟合得到最高温度、最高温差与电池箱内部布置结构特征尺寸的设计公式，验证发现设计公式计算结果与热仿真结果误差小于5%，满足工程需要；并进行后排电池的局部边距尺寸优化与电池箱圆角数目与半径优化；采用最终优化结构参数的电池箱（Di=120mm），电池箱最高温度下降8.77%，最大温差下降3.88%，32.5℃以上高温区面积ST32.5下降65.68%，ST30下降60.77%；冷却风风速增大为15m/s时，最高温度下降为28.62℃，最大温差小于5℃
Abstract:
In order to solve the problem of compact layout design of the internal battery module of electric vehicle battery enclosure, the thermal simulation method was used to study the dimensional parameters (column distance, line spacing, margin, entrance and exit diameter) of the flow channel formed between the battery modules and the heat dissipation effect in the battery enclosure. The relationship between the highest temperature, the highest temperature difference and the characteristic dimensions of the internal arrangement of the battery box is established. The application example shows that the error between the calculation result of the compact design formula and the thermal simulation result is less than 5%, which meets the engineering needs and can guide related research. The size of the margin of the local battery box is optimized; the number and radius of the rounded corners of the battery box are optimized. When the battery box adopts the final optimized structural parameters (Di=120mm), the maximum temperature of the battery box drops by 8.77%, the maximum temperature difference decreases by 3.88%,the area of high temperature area above 32.5 °C ST32.5 decreased by 65.68%,, and the ST30 decreases by 60.77%. When cooled by 15m/s wind speed, the maximum temperature dropped to 28.63 °C, and the maximum temperature difference was less than 5 °C.

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更新日期/Last Update: 2020-07-29