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韩静,吴晓刚,孙金磊.电动汽车动力电池箱冷却影响因素分析[J].电源学报,2019,17(1):120-127,144
电动汽车动力电池箱冷却影响因素分析
Analysis of Cooling Influence Factors for Power Battery Box of Electric Vehicle
投稿时间:2016-12-15  修订日期:2018-02-15
DOI:10.13234/j.issn.2095-2805.2019.1.120
中文关键词:  电动汽车  电池箱  风道尺寸  空气冷却
英文关键词:electric vehicle  battery box  air duct size  air cooling
基金项目:输配电装备及系统安全与新技术国家重点实验室访问学者资助项目(2007DA10512716416);哈尔滨理工大学青年拔尖创新人才培养计划资助项目(201503)
作者单位E-mail
韩静 哈尔滨理工大学电气与电子工程学院, 哈尔滨 150080  
吴晓刚 哈尔滨理工大学电气与电子工程学院, 哈尔滨 150080
重庆大学输配电装备及系统安全与新技术国家重点实验室, 重庆 400044 
xgwu@hrbust.edu.cn 
孙金磊 南京理工大学自动化学院, 南京 210094  
摘要点击次数: 1973
全文下载次数: 880
中文摘要:
      针对采用通风冷却结构的电池箱冷却效果不理想的问题,提出了一种基于有限元电池模型的动力电池箱热分析方法,在此基础上,以某种结构的锂离子动力电池箱作为研究对象,对入风口风速和风道尺寸等电池箱温升影响因素进行分析。仿真结果表明,随着风速增加电池箱的温度均匀性得到了改善,当风速为5 m/s时,电池温度标准差范围在1.0~1.7之间。当风道宽度尺寸为12 mm且风速为5 m/s时,电池温升的最大值为7.3℃,电池温升的最小值为5.4℃,电池平均温度标准差为1.47,电池组工作控制在合理的温度范围内,电池组温度分布均匀性最好。
英文摘要:
      In consideration of the unsatisfactory cooling effect of battery box used in the ventilation cooling structure, a thermal analysis method for power battery box is proposed based on the finite element model of battery. On this basis, a li-ion power battery box with a certain structure is chosen as the research object, and the influence factors of temperature rise for battery box including wind speed of inlet and air duct size are analyzed. Simulation results show that the uniformity in battery box temperature is improved along with the increase of wind speed. When the wind speed is 5 m/s, the standard deviation of battery temperature is between 1.0 and 1.7. When the air duct size is 12 mm and wind speed is 5 m/s, the maximum and minimum temperature rises are 7.3℃ and 5.4℃, respectively, and the standard deviation of average temperature is 1.47; the battery pack can be controlled to work in a normal temperature range, and the uniformity in battery pack temperature distribution is the best.
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