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    • 4. 发明授权
    • Battery module control system and battery module control method
    • 电池模块控制系统和电池模块控制方式
    • US09184476B2
    • 2015-11-10
    • US13515564
    • 2010-11-26
    • Shin Suzuki
    • Shin Suzuki
    • H02J7/00H01M10/48H01M10/0525H01M10/06H01M10/34
    • H01M10/482H01M10/0525H01M10/06H01M10/345H02J7/0019Y02T10/7011Y02T10/7016Y02T10/7055Y02W30/84
    • In order to provide a battery module control system able to reuse an arbitrary secondary battery module through a simple, inexpensive system, the present invention includes: a plurality of battery modules that are connected to each other in parallel; switch circuits that are provided on charge and discharge routes of a plurality of the battery modules; an average impedance value calculation section (control section) that calculates average impedance values of a plurality of the battery modules; a maximum allowable charge-and-discharge rate input section (input section) that inputs maximum allowable charge-and-discharge rates of a plurality of the battery modules; an allowable voltage difference calculation section (control section) that calculates allowable voltage differences of a plurality of the battery modules on the basis of the average impedance values calculated by the average impedance value calculation section and the maximum allowable charge-and-discharge rates input by the maximum allowable charge-and-discharge rate input section; a common voltage detection section (control section) that detects a voltage of a common charge and discharge route of a plurality of the battery modules; and a plurality of voltage detection sections (control section) that detect voltages of a plurality of the battery modules, wherein, when a difference between the voltage detected by the common voltage detection section and the voltage detected by the voltage detection section corresponding to a predetermined battery module is greater than an allowable voltage difference of the predetermined battery module, a switch circuit provided on a charge and discharge route of the predetermined battery module is so controlled as to be turned OFF.
    • 为了提供能够通过简单廉价的系统重新使用任意的二次电池模块的电池模块控制系统,本发明包括:并联连接的多个电池模块; 在多个电池模块的充电和放电路径上提供的开关电路; 平均阻抗值计算部(控制部),其计算多个所述电池模块的平均阻抗值; 输入多个所述电池模块的最大容许充放电率的最大容许充放电率输入部(输入部) 基于由平均阻抗值计算部计算出的平均阻抗值和输入的最大容许充放电率,计算多个电池模块的容许电压差的容许电压差计算部(控制部) 最大允许充放电率输入部分; 公共电压检测部(控制部),其检测多个电池模块的共同的充放电路径的电压; 以及多个电压检测部(控制部),其检测多个所述电池模块的电压,其中,当由所述公共电压检测部检测到的电压与由所述电压检测部检测到的电压之间的差与预定的 电池模块大于预定电池模块的允许电压差,则设置在预定电池模块的充电和放电路径上的开关电路被控制为关闭。