METHOD AND APPARATUS FOR DETECTING BATTERY STATE OF CHARGE
    1.
    发明申请
    METHOD AND APPARATUS FOR DETECTING BATTERY STATE OF CHARGE 审中-公开
    用于检测电池充电状态的方法和装置

    公开(公告)号:US20080136378A1

    公开(公告)日:2008-06-12

    申请号:US12014502

    申请日:2008-01-15

    IPC分类号: H02J7/00

    摘要: A method for detecting the charged state of a battery based on the measurements of open circuit voltage in which the charged state of a battery can be detected precisely regardless of the degradation state of the battery. Internal impedance of a battery is measured, voltage of the battery is measured under stable state, measurement of the battery voltage under stable state is subjected to raising correction depending on the measurement of internal impedance, and then charged state of the battery is determined based on the corrected value of battery voltage under stable state.

    摘要翻译: 基于电池的充电状态的开路电压的测量,可以精确地检测电池的充电状态的方法,而不管电池的劣化状态如何。 测量电池的内部阻抗,在稳定状态下测量电池的电压,根据内部阻抗的测量对稳定状态下的电池电压的测量进行升高校正,然后根据 电池电压在稳定状态下的校正值。

    REMAINING ELECTRICAL CHARGE/REMAINING CAPACITY ESTIMATING METHOD, BATTERY STATE SENSOR AND BATTERY POWER SOURCE SYSTEM
    2.
    发明申请
    REMAINING ELECTRICAL CHARGE/REMAINING CAPACITY ESTIMATING METHOD, BATTERY STATE SENSOR AND BATTERY POWER SOURCE SYSTEM 有权
    剩余电荷/剩余容量估算方法,电池状态传感器和电池电源系统

    公开(公告)号:US20090030626A1

    公开(公告)日:2009-01-29

    申请号:US11987615

    申请日:2007-12-03

    IPC分类号: G01R31/36

    CPC分类号: G01R31/3651 G01R31/362

    摘要: The present invention provides a battery remaining electrical charge/remaining capacity estimating method which makes it possible to obtain a convergence value of a battery open circuit voltage with high accuracy and in a short time.The method includes a voltage estimating step of obtaining a stable open circuit voltage estimated value after a lapse of desired time, the step including: a step of using an approximate function including a plurality of exponential function terms of time and a plurality of coefficients, stopping charge or discharge operation for a predetermined time, measuring a battery voltage over time during the time and using an obtained relation between the battery voltage and the time as a basis to determine the coefficients; and a step of determining at least one power coefficient of inferior logarithm of the exponential function terms based on temperature by expressing the coefficient as a previously obtained function of temperature.

    摘要翻译: 本发明提供一种电池剩余电量/剩余容量估计方法,其能够以高精度和短时间获得电池开路电压的收敛值。 该方法包括电压估计步骤,在经过所需时间之后获得稳定的开路电压估计值,该步骤包括:使用包括时间和多个系数的多个指数函数项的近似函数的步骤,停止 充电或放电操作预定时间,在时间期间测量电池电压随时间的推移,并且使用获得的电池电压和时间之间的关系作为确定系数的基础; 以及通过将该系数表示为先前获得的温度函数,基于温度来确定指数函数项的下对数的至少一个幂系数的步骤。

    Method and apparatus for determining deterioration of secondary battery, and power supply system therewith
    3.
    发明授权
    Method and apparatus for determining deterioration of secondary battery, and power supply system therewith 有权
    用于确定二次电池的劣化的方法和装置及其电源系统

    公开(公告)号:US07626394B2

    公开(公告)日:2009-12-01

    申请号:US12049907

    申请日:2008-03-17

    IPC分类号: G01N27/416 H02J7/00

    摘要: A method for detecting SOC and SOH of a storage battery includes: calculating an SOC value of the storage battery with use of an SOC calculation unit based on a measured voltage value or a measured current value of the storage battery and calculating an SOH value of the storage battery with use of an SOH calculation unit based on the SOC value; further calculating a new SOC value with use of the SOC calculation unit based on the SOH value and calculating a new SOH value with use of the SOH calculation unit based on the new SOC value, these further calculations of SOC value and SOH value being repeated a prescribed n times of at least one so as to obtain an nth calculated SOC value and an nth calculated SOH value; outputting the nth calculated SOH value as an SOH output value and outputting the nth calculated SOH value as an SOC output value; and storing the SOH output value into a memory.

    摘要翻译: 一种用于检测蓄电池的SOC和SOH的方法,包括:基于测量的电压值或蓄电池的测量电流值,利用SOC计算单元计算蓄电池的SOC值,并计算蓄电池的SOH值 基于SOC值使用SOH计算单元的蓄电池; 利用基于SOH值的SOC计算单元进一步计算新的SOC值,并且基于新的SOC值利用SOH计算单元计算新的SOH值,这些SOC值和SOH值的再次计算被重复a 规定n次以上,以获得第n个计算的SOC值和第n个计算的SOH值; 输出第n个计算的SOH值作为SOH输出值,并输出第n个计算的SOH值作为SOC输出值; 并将SOH输出值存储到存储器中。

    Method and apparatus for determining deterioration of secondary battery, and power supply system therewith
    4.
    发明授权
    Method and apparatus for determining deterioration of secondary battery, and power supply system therewith 有权
    用于确定二次电池的劣化的方法和装置及其电源系统

    公开(公告)号:US08129996B2

    公开(公告)日:2012-03-06

    申请号:US12605930

    申请日:2009-10-26

    IPC分类号: G01N27/416

    摘要: A method for detecting SOC and SOH of a storage battery includes: calculating an SOC value of the storage battery with use of an SOC calculation unit based on a measured voltage value or a measured current value of the storage battery and calculating an SOH value of the storage battery with use of an SOH calculation unit based on the SOC value; further calculating a new SOC value with use of the SOC calculation unit based on the SOH value and calculating a new SOH value with use of the SOH calculation unit based on the new SOC value, these further calculations of SOC value and SOH value being repeated a prescribed n times of at least one so as to obtain an nth calculated SOC value and an nth calculated SOH value; outputting the nth calculated SOH value as an SOH output value and outputting the nth calculated SOH value as an SOC output value; and storing the SOH output value into a memory.

    摘要翻译: 一种用于检测蓄电池的SOC和SOH的方法,包括:基于测量的电压值或蓄电池的测量电流值,利用SOC计算单元计算蓄电池的SOC值,并计算蓄电池的SOH值 基于SOC值使用SOH计算单元的蓄电池; 利用基于SOH值的SOC计算单元进一步计算新的SOC值,并且基于新的SOC值利用SOH计算单元计算新的SOH值,这些SOC值和SOH值的再次计算被重复a 规定n次以上,以获得第n个计算的SOC值和第n个计算的SOH值; 输出第n个计算的SOH值作为SOH输出值,并输出第n个计算的SOH值作为SOC输出值; 并将SOH输出值存储到存储器中。

    Remaining electrical charge/remaining capacity estimating method, battery state sensor and battery power source system
    5.
    发明授权
    Remaining electrical charge/remaining capacity estimating method, battery state sensor and battery power source system 有权
    剩余电量/剩余容量估算方法,电池状态传感器和电池电源系统

    公开(公告)号:US08078416B2

    公开(公告)日:2011-12-13

    申请号:US11987615

    申请日:2007-12-03

    IPC分类号: G01R31/36

    CPC分类号: G01R31/3651 G01R31/362

    摘要: A method for estimating a remaining electrical charge or a remaining capacity of a battery that supplies power to a load, the method including: using, at a controller of a battery system, an approximate exponential decay function including a plurality of exponential function terms of time and a plurality of coefficients; stopping, at the battery system, a charge or discharge operation of the battery for a predetermined time; measuring, at a sensor of the battery system, a voltage of the battery at a plurality of instances during the predetermined time; obtaining, at the controller of the battery system, a relationship between the voltage of the battery and time; determining, at the controller of the battery system, the coefficients based on the obtained relationship between the voltage of the battery and the time.

    摘要翻译: 一种用于估计向负载供电的电池的剩余电量或剩余容量的方法,所述方法包括:在电池系统的控制器处,使用包括多个指数函数时间项的近似指数衰减函数 和多个系数; 在电池系统停止预定时间的电池的充电或放电操作; 在所述电池系统的传感器处,在所述预定时间期间在多个情况下测量所述电池的电压; 在电池系统的控制器处获得电池电压与时间之间的关系; 在电池系统的控制器处,基于获得的电池电压与时间之间的关系确定系数。

    METHOD AND APPARATUS FOR DETERMINING DETERIORATION OF SECONDARY BATTERY, AND POWER SUPPLY SYSTEM THEREWITH
    6.
    发明申请
    METHOD AND APPARATUS FOR DETERMINING DETERIORATION OF SECONDARY BATTERY, AND POWER SUPPLY SYSTEM THEREWITH 有权
    用于确定二次电池检测的方法和装置及其电源系统

    公开(公告)号:US20100045298A1

    公开(公告)日:2010-02-25

    申请号:US12605930

    申请日:2009-10-26

    IPC分类号: G01N27/416

    摘要: A method for detecting SOC and SOH of a storage battery includes: calculating an SOC value of the storage battery with use of an SOC calculation unit based on a measured voltage value or a measured current value of the storage battery and calculating an SOH value of the storage battery with use of an SOH calculation unit based on the SOC value; further calculating a new SOC value with use of the SOC calculation unit based on the SOH value and calculating a new SOH value with use of the SOH calculation unit based on the new SOC value, these further calculations of SOC value and SOH value being repeated a prescribed n times of at least one so as to obtain an nth calculated SOC value and an nth calculated SOH value; outputting the nth calculated SOH value as an SOH output value and outputting the nth calculated SOH value as an SOC output value; and storing the SOH output value into a memory.

    摘要翻译: 一种用于检测蓄电池的SOC和SOH的方法,包括:基于测量的电压值或蓄电池的测量电流值,利用SOC计算单元计算蓄电池的SOC值,并计算蓄电池的SOH值 基于SOC值使用SOH计算单元的蓄电池; 利用基于SOH值的SOC计算单元进一步计算新的SOC值,并且基于新的SOC值利用SOH计算单元计算新的SOH值,这些SOC值和SOH值的再次计算被重复a 规定n次以上,以获得第n个计算的SOC值和第n个计算的SOH值; 输出第n个计算的SOH值作为SOH输出值,并输出第n个计算的SOH值作为SOC输出值; 并将SOH输出值存储到存储器中。

    METHOD AND APPARATUS FOR DETERMINING DETERIORATION OF SECONDARY BATTERY, AND POWER SUPPLY SYSTEM THEREWITH
    7.
    发明申请
    METHOD AND APPARATUS FOR DETERMINING DETERIORATION OF SECONDARY BATTERY, AND POWER SUPPLY SYSTEM THEREWITH 有权
    用于确定二次电池检测的方法和装置及其电源系统

    公开(公告)号:US20080204031A1

    公开(公告)日:2008-08-28

    申请号:US12049907

    申请日:2008-03-17

    IPC分类号: G01N27/416

    摘要: A method for detecting SOC and SOH of a storage battery includes: calculating an SOC value of the storage battery with use of an SOC calculation unit based on a measured voltage value or a measured current value of the storage battery and calculating an SOH value of the storage battery with use of an SOH calculation unit based on the SOC value; further calculating a new SOC value with use of the SOC calculation unit based on the SOH value and calculating a new SOH value with use of the SOH calculation unit based on the new SOC value, these further calculations of SOC value and SOH value being repeated a prescribed n times of at least one so as to obtain an nth calculated SOC value and an nth calculated SOH value; outputting the nth calculated SOH value as an SOH output value and outputting the nth calculated SOH value as an SOC output value; and storing the SOH output value into a memory.

    摘要翻译: 一种用于检测蓄电池的SOC和SOH的方法,包括:基于测量的电压值或蓄电池的测量电流值,利用SOC计算单元计算蓄电池的SOC值,并计算蓄电池的SOH值 使用基于SOC值的SOH计算单元的蓄电池; 利用基于SOH值的SOC计算单元进一步计算新的SOC值,并且基于新的SOC值利用SOH计算单元计算新的SOH值,这些SOC值和SOH值的再次计算被重复a 规定n次以上,以获得第n个计算的SOC值和第n个计算的SOH值; 输出第n个计算的SOH值作为SOH输出值,并输出第n个计算的SOH值作为SOC输出值; 并将SOH输出值存储到存储器中。

    Charging rate estimating method, charging rate estimating unit and battery system
    8.
    发明授权
    Charging rate estimating method, charging rate estimating unit and battery system 有权
    充电率估算方法,充电率估算单元和电池系统

    公开(公告)号:US07525284B2

    公开(公告)日:2009-04-28

    申请号:US10552674

    申请日:2004-07-08

    IPC分类号: H02J7/00 H02J7/14 G01N27/416

    CPC分类号: G01R31/3651 G01R31/3675

    摘要: The method for calculating charged rate of a secondary battery is intended to calculate charged rate of a secondary battery which supplies electric power to loads, and comprises the step to measure voltage of the secondary battery more than once in a predetermined period of time after termination of charge or discharge, the step to determine the coefficients of a quadric or more exponential damping function which approximates the time characteristic of the open circuit voltage of the secondary battery by recursive calculation with the plural measured voltage values, and the step to calculate a convergent value of the open circuit voltage of the secondary battery from at least the exponential damping function with the coefficients determined above.Therefore, precise charged rate of the secondary battery can be calculated from the precise convergent value of the open circuit voltage.

    摘要翻译: 用于计算二次电池的充电率的方法旨在计算向负载提供电力的二次电池的充电速率,并且包括在终止后的预定时间段内多次测量二次电池的电压的步骤 充电或放电的步骤,通过利用多个测量电压值的递归计算来确定近似二次电池的开路电压的时间特性的二次或更多指数衰减函数的系数的步骤,以及计算收敛值的步骤 从至少具有上述确定的系数的指数阻尼函数得到二次电池的开路电压。 因此,可以根据开路电压的精确收敛值来计算二次电池的精确充电率。

    Method for determining deterioration of accumulator battery, method for measuring internal impedance of secondary battery, equipment for measuring internal impedance of secondary battery, equipment for determining deterioration of secondary battery, and power supply system
    9.
    发明申请
    Method for determining deterioration of accumulator battery, method for measuring internal impedance of secondary battery, equipment for measuring internal impedance of secondary battery, equipment for determining deterioration of secondary battery, and power supply system 有权
    蓄电池的劣化判定方法,二次电池的内部阻抗测定方法,二次电池的内部阻抗测定装置,二次电池的劣化判定装置以及电力供给系统

    公开(公告)号:US20060186890A1

    公开(公告)日:2006-08-24

    申请号:US11317286

    申请日:2005-12-27

    IPC分类号: G01N27/416

    摘要: A method for determining deterioration of accumulator battery hooked up with loads in a system based on results of measuring internal resistances of an accumulator battery, the method comprising the steps of; predetermining as a specified temperature a temperature at which the deterioration of the accumulator battery is determined; calculating in advance temperature correction coefficients of the internal resistances from changes of the internal resistances depending on temperatures; predetermining resistance-voltage conversion factors to convert between the internal resistances at the specified temperature and terminal discharge voltages of the accumulator battery which are obtained at the specified temperature under a condition of flowing predetermined discharge currents from the accumulator battery; measuring the internal resistances of the accumulator battery and temperature of the accumulator battery at an internal resistance measurement; converting the measured internal resistance values into the internal resistance values at the specified temperature with use of the temperature correction coefficients of the internal resistances; converting the internal resistance values at the specified temperature into the terminal discharge voltage values of the accumulator battery at the specified temperature with use of the resistance-voltage conversion factors; and determining whether the accumulator battery is deteriorated or not by means of comparison of the terminal discharge voltage values of the accumulator battery at the specified temperature and a predetermined threshold value as a deterioration judgment standard.

    摘要翻译: 一种用于基于测量蓄电池的内部电阻的结果来确定在系统中负载耦合的蓄电池的劣化的方法,所述方法包括以下步骤: 预先确定蓄电池电池劣化的温度为指定温度; 根据温度从内部电阻的变化中预先计算内部电阻的温度校正系数; 预先确定电阻 - 电压转换系数,以在从蓄电池流动预定的放电电流的条件下,在规定温度下获得的内部电阻和蓄电池的终端放电电压之间转换; 在内部电阻测量时测量蓄电池的内部电阻和蓄电池的温度; 使用内部电阻的温度校正系数将所测量的内部电阻值转换为指定温度下的内部电阻值; 使用电阻 - 电压转换因子将指定温度下的内部电阻值转换为指定温度下蓄电池的端子放电电压值; 并且通过将在规定温度下的蓄电池的端子排出电压值与预定阈值进行比较来判定蓄电池是否劣化为劣化判定基准。

    Method for determining deterioration of accumulator battery, method for measuring internal impedance of secondary battery, equipment for measuring internal impedance of secondary battery, equipment for determining deterioration of secondary battery, and power supply system
    10.
    发明授权
    Method for determining deterioration of accumulator battery, method for measuring internal impedance of secondary battery, equipment for measuring internal impedance of secondary battery, equipment for determining deterioration of secondary battery, and power supply system 有权
    蓄电池的劣化判定方法,二次电池的内部阻抗测定方法,二次电池的内部阻抗测定装置,二次电池的劣化判定装置以及电力供给系统

    公开(公告)号:US07362074B2

    公开(公告)日:2008-04-22

    申请号:US11317286

    申请日:2005-12-27

    IPC分类号: H01M10/44 H01M10/46

    摘要: A method for determining deterioration of accumulator battery hooked up with loads in a system based on results of measuring internal resistances of an accumulator battery, the method comprising the steps of; predetermining as a specified temperature a temperature at which the deterioration of the accumulator battery is determined; calculating in advance temperature correction coefficients of the internal resistances from changes of the internal resistances depending on temperatures; predetermining resistance-voltage conversion factors to convert between the internal resistances at the specified temperature and terminal discharge voltages of the accumulator battery which are obtained at the specified temperature under a condition of flowing predetermined discharge currents from the accumulator battery; measuring the internal resistances of the accumulator battery and temperature of the accumulator battery at an internal resistance measurement; converting the measured internal resistance values into the internal resistance values at the specified temperature with use of the temperature correction coefficients of the internal resistances; converting the internal resistance values at the specified temperature into the terminal discharge voltage values of the accumulator battery at the specified temperature with use of the resistance-voltage conversion factors; and determining whether the accumulator battery is deteriorated or not by means of comparison of the terminal discharge voltage values of the accumulator battery at the specified temperature and a predetermined threshold value as a deterioration judgment standard.

    摘要翻译: 一种用于基于测量蓄电池的内部电阻的结果来确定在系统中负载耦合的蓄电池的劣化的方法,所述方法包括以下步骤: 预先确定蓄电池电池劣化的温度为指定温度; 根据温度从内部电阻的变化中预先计算内部电阻的温度校正系数; 预先确定电阻 - 电压转换系数,以在从蓄电池流动预定的放电电流的条件下,在规定温度下获得的内部电阻和蓄电池的终端放电电压之间转换; 在内部电阻测量时测量蓄电池的内部电阻和蓄电池的温度; 使用内部电阻的温度校正系数将所测量的内部电阻值转换为指定温度下的内部电阻值; 使用电阻 - 电压转换因子将指定温度下的内部电阻值转换为指定温度下蓄电池的端子放电电压值; 并且通过将在规定温度下的蓄电池的端子排出电压值与预定阈值进行比较来判定蓄电池是否劣化为劣化判定基准。