车用动力电池组集总参数换热模型

doi:10.3969/j.issn.1000-1093.2014.02.001

兵工学报 ›› 2014, Vol. 35 ›› Issue (2): 145-151.doi: 10.3969/j.issn.1000-1093.2014.02.001

• 论文 • 下一篇

车用动力电池组集总参数换热模型

王发成，王子冬，胡道中，佟玉琦，高洪波，陈芬

（中国北方车辆研究所国家“863”电动车重大专项动力电池测试中心，北京 100072）

收稿日期:2012-11-28 修回日期:2012-11-28 上线日期:2014-03-25
作者简介:王发成(1980—)，男，副研究员
基金资助:
国家高技术研究发展计划项目（2011AA11A235)

A Lumped-parameter Model of Battery Pack Heat Transfer in Electric Vehicles

WANG Fa-cheng, WANG Zi-dong, HU Dao-zhong, TONG Yu-qi, GAO Hong-bo, CHEN Fen

(State-assigned Electric Vehicle Power Battery Testing Center, China North Vehicle Research Institute, Beijing 100072, China)

Received:2012-11-28 Revised:2012-11-28 Online:2014-03-25

摘要/Abstract

摘要： 新能源车辆的发展和动力电池组热越来越突出的安全问题，促使了换热系统的研究需求。在考虑电池组自产热率的基础上，利用集总参数法建立了车用动力电池组换热规律的简化模型。以某动力电池组为例，运用该模型分析换热过程中的时间、流体温度、电池组温度、换热功率及换热量。分析结果用于评价现有换热系统是否合理，或运用该模型优化换热过程参数使得设计的换热系统合理。结果表明，恒定流体温度换热策略并不是最佳的换热策略。

关键词: 热学, 电动车, 电池组, 集总参数模型, 换热

Abstract: With the booming development of the modern vehicle industry, the safety problem caused by heat generation of battery pack is more and more obvious, an effective heat transfer system needs to be developed. Based on analyzing the average heat generation rate of a battery pack, a heat transfer simplified model of battery pack is established using a lumped-parameter method. This model is used to analyze the following parameters of an actual battery pack: time interval, fluid temperature, battery pack average temperature, transient heat transfer power, and total heat. The calculated results can be used to evaluate whether the heat transfer system is effective, or make the heat transfer system reasonable by choosing the optimum heat transfer parameters. The results also indicate that the strategy of applying fluid with constant temperature in the heat transfer system is not the best.

Key words: heat, electric vehicle, battery pack, lumped-parameter model, heat transfer

中图分类号:

TK121

王发成，王子冬，胡道中，佟玉琦，高洪波，陈芬. 车用动力电池组集总参数换热模型[J]. 兵工学报, 2014, 35(2): 145-151.

WANG Fa-cheng, WANG Zi-dong, HU Dao-zhong, TONG Yu-qi, GAO Hong-bo, CHEN Fen. A Lumped-parameter Model of Battery Pack Heat Transfer in Electric Vehicles[J]. Acta Armamentarii, 2014, 35(2): 145-151.

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车用动力电池组集总参数换热模型

A Lumped-parameter Model of Battery Pack Heat Transfer in Electric Vehicles

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