纯电动汽车充电电池均衡板的有限元分析及优化设计

Finite Element Analysis and Optimization Design of Battery Balance Plate of Pure Electric Vehicle

电动汽车以其无排放污染、噪音低、易于操纵、维修及运行成本低等优点,在环保和节能上具有不可比拟的优势。电动汽车将是21世纪汽车的主要发展方向,而电动汽车燃料电池技术一直是电动汽车广泛应用难以突破的瓶颈。通过对电动汽车用锂电池充电保护均衡板进行研究,对其进行有限元的热力学分析,并提出通过增加散热和改变风扇流量以降低均衡板电阻工作时的温度,最终实现绕线电阻温度低至65℃,以改善锂电池充电条件,延长能源电池的使用寿命。

The electric car has incomparable advantages in environmental protection and energy saving. Electric cars have no issues of emission pollution, low noise, easy control, maintenance and operation cost is low. It will be the main development direction of the 21st century car, fuel cell technology for electric cars is always electric car widely use＇ s bottleneck to break through. Through the balanced electric cars using lithium - ion battery protection board, carries on the finite element analysis of thermodynamics, and put forward by increasing the heat and change the fan flow to lower the temperature of the balance sheet resistance to work, finally realizes the winding resistance temperature as low as 65℃, to improve the conditions of lithium batteries, prolong the service life of battery energy.