一种空间锂离子电池自主均衡方法

针对空间锂离子电池单体电压均衡问题,提出了一种智能线性均衡方法,该方法通过纯硬件电路实现每个均衡器与蓄电池单体自成一个子系统,实现自主均衡功能。给出了详细的电路设计及测试实验结果,与以往的锂电池组充电均衡方案相比,无需复杂的软件算法,均衡电路能够根据锂离子蓄电池容量情况进行智能调整,满足各种卫星平台大功率锂离子蓄电池组的均衡控制需求,电路适应性强,具有很好的实用性。

Method of self-balance for spatial lithium-ion battery

A smart linear balance method was put forward for spatial lithium-ion battery balance.Function of balance realized without software was its excellent property.Every balancer and a battery monomer constituted an individual system.Circuit design,experiments and the result were elaborated in detail.Compared to other charge schemes,it has its own advantages:no complex soft arithmetic,smart conditioning according to capacity of lithium-ion battery,satisfying control demands of most satellites stage with large power lithium-ion battery,wide adaptability and good practicability.