混合动力履带车辆电机加热低温预热系统设计

doi:10.3969/j.issn.1000-1093.2015.03.003

兵工学报 ›› 2015, Vol. 36 ›› Issue (3): 398-404.doi: 10.3969/j.issn.1000-1093.2015.03.003

混合动力履带车辆电机加热低温预热系统设计

王瑞¹，王义春¹，冯朝卿^1,2，张西龙¹

(1.北京理工大学机械与车辆学院，北京 100081；2.内蒙古工业大学能源与动力工程学院，内蒙古呼和浩特 010051)

收稿日期:2014-05-08 修回日期:2014-05-08 上线日期:2015-05-01
通讯作者: 王瑞 E-mail:wangrui200092@163.com
作者简介:王瑞（1983—），男，讲师，博士研究生
基金资助:
兵器预先研究项目(104010201)

Design of Low Temperature Preheating System of Hybrid Electric Tracked Vehicle Based on Motor Heating

WANG Rui¹, WANG Yi-chun¹, FENG Chao-qing^1,2, ZHANG Xi-long¹

（1.School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China;2.College of Energy and Power Engineering, Inner Mongolia University of Technology, Hohhot 010051, Inner Mongolia, China）

Received:2014-05-08 Revised:2014-05-08 Online:2015-05-01
Contact: WANG Rui E-mail:wangrui200092@163.com

摘要/Abstract

摘要： 针对混合动力履带车辆设计了一种利用驱动电机堵转生热进行加热的低温预热系统，该系统可以在不添加任何装置的前提下利用原有部件实现辅助加温，以满足车辆冷启动需求。通过计算流体力学数值计算得到预热过程中动力舱向外界环境的传热特性，并对仿真结果进行试验验证。结合动力舱各部件参数，利用MATLAB计算不同加热功率下达到预热目标温度所需的加热时间，并分析各加热过程中的能量损失情况。计算结果表明：满足预热时间要求的最低加热功率为70 kW，所需加热量为181 MJ. 结合动力电池的低温特性，通过加热功率计算选择电池的总容量，根据其低温放电率进行校核，最终确定在使用磷酸铁锂电池时电池容量至少为292 A·h. 针对混合动力履带车辆设计了一种利用驱动电机堵转生热进行加热的低温预热系统，该系统可以在不添加任何装置的前提下利用原有部件实现辅助加温，以满足车辆冷启动需求。通过计算流体力学数值计算得到预热过程中动力舱向外界环境的传热特性，并对仿真结果进行试验验证。结合动力舱各部件参数，利用MATLAB计算不同加热功率下达到预热目标温度所需的加热时间，并分析各加热过程中的能量损失情况。计算结果表明：满足预热时间要求的最低加热功率为70 kW，所需加热量为181 MJ. 结合动力电池的低温特性，通过加热功率计算选择电池的总容量，根据其低温放电率进行校核，最终确定在使用磷酸铁锂电池时电池容量至少为292 A·h.

关键词: 兵器科学与技术, 混合动力车辆, 履带车辆, 预热系统, 电机加热

Abstract: For the tracked HEV, a new preheating system of powertrain is designed to solve the cold start problem in winter,in which the heat is generated by the drive motor running at very low speed. The new preheating system can meet the need of cold start. In order to get the heat from the power cabin to the outside environment, CFD numerical calculation is done for the heating process. The simulation results are verified through the relevant test. Based on the heat loss of power cabin and the parameters of engine cabin components,a heat transfer model of preheating system is established by using MATLAB. The total energy required for preheating at different ambient temperatures is calculated by this model. The energy losses and heating efficiency are obtained at different heating powers. The results show that the minimum heating power is 70 kW, and total energy is181 MJ.By considering the low temperature discharge rule of power battery, the heating power and battery capacity in the process of preheating are calculated for lithium iron phosphate batteries.The minimum battery capacity is 292 A·h.

Key words: ordnance science and technology, hybrid electric vehicle, tracked vehicle, preheating system, motor heating

王瑞，王义春，冯朝卿，张西龙. 混合动力履带车辆电机加热低温预热系统设计[J]. 兵工学报, 2015, 36(3): 398-404.

WANG Rui, WANG Yi-chun, FENG Chao-qing, ZHANG Xi-long. Design of Low Temperature Preheating System of Hybrid Electric Tracked Vehicle Based on Motor Heating[J]. Acta Armamentarii, 2015, 36(3): 398-404.

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混合动力履带车辆电机加热低温预热系统设计

Design of Low Temperature Preheating System of Hybrid Electric Tracked Vehicle Based on Motor Heating

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