用于平衡蓄电池组电池的装置及方法

Device and method for balancing battery cells

Abstract

The invention relates to a device for balancing the cells (2a, 2b, 2c) of a battery (1) of an electric automobile, the device (3) including a primary winding (4) arranged in series with a primary switch (5) and, for each cell, a circuit including, in series, a secondary winding (6b, 6c) that forms a transformer together with the primary winding, a secondary switch (7b, 7c), a coil (8b, 8c), and a diode (9b, 9c) mounted in parallel with the coil and the cell, as well as a means for controlling (10) the primary switch and each secondary switch.
本发明涉及一种用于平衡电动汽车的一个蓄电池组(1)的多个电池(2a,2b,2c)的装置,该装置(3)包括与一个初级开关(5)串联安排的一个初级绕组(4);和每个电池一个电路,该电路包括处于串联的与该初级绕组一起形成一个变压器的一个次级绕组(6b,6c)、一个次级开关(7b,7c)、一个线圈(8b,8c)、以及与该线圈和该电池并联安装的一个二极管(9b,9c);以及用于控制该初级开关和每个次级开关的控制器件(10)。

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