公开(公告)号：WO1997044652A1

公开(公告)日：1997-11-27

申请号：PCT/US1997008138

申请日：1997-05-13

Applicant: MIDTRONICS, INC.

Inventor： MIDTRONICS, INC. ,  McSHANE, Stephen, J. ,  BERTNESS, Kevin, I.

IPC: G01N27/416

CPC classification number: G01R31/3658

Abstract: A method and apparatus for detecting a bad cell in a storage battery (12) having a plurality of cells are provided. Input circuitry (54) electrically couples to first and second terminals (22, 24) of the storage battery (12). Voltage measuring circuitry (70) coupled to the input circuitry provides a voltage output related to a voltage potential between the first and second terminals (22, 24) of the storage battery (12). Conductance measuring circuitry (50, 56, 70) coupled to the input circuitry (54) provides a conductance output related to conductance of the storage battery (12). Voltage and conductance comparison circuitry (56) compares the measured voltage and conductance to references and provides outputs. Output circuitry (56) provides a bad cell output based upon the results of the comparisons.

Abstract translation: 提供了一种用于检测具有多个单元的蓄电池（12）中的坏电池的方法和装置。 输入电路（54）电耦合到蓄电池（12）的第一和第二端子（22,24）。 耦合到输入电路的电压测量电路（70）提供与蓄电池（12）的第一和第二端子（22,24）之间的电压电位相关的电压输出。 耦合到输入电路（54）的电导测量电路（50,56,70）提供与蓄电池（12）的电导相关的电导输出。 电压和电导比较电路（56）将测量的电压和电导与参考值进行比较并提供输出。 输出电路（56）根据比较结果提供不良单元输出。