公开(公告)号：US20160003912A1

公开(公告)日：2016-01-07

申请号：US14852329

申请日：2015-09-11

Applicant: FURUKAWA ELECTRIC CO., LTD. ,  FURUKAWA AUTOMOTIVE SYSTEMS INC.

Inventor： Noriyasu IWANE ,  Koichi YOKOYAMA ,  Naoya TAKASHIMA ,  Taiji MITSUYAMA ,  Antal KOVATS ,  Tamas MIHALFFY ,  Lorand ROMVARI

IPC: G01R31/36 ,  H01M10/48

CPC classification number: G01R31/3648 ,  G01R31/367 ,  G01R31/3842 ,  G01R31/389 ,  G01R31/392 ,  H01M10/48 ,  H02J7/0021

Abstract: [Object] To detect states of a plurality of secondary batteries whose kinds are different with high accuracy.[Organization] A measurement unit (voltage sensor 11, current sensor 12) measuring a current value of a current flowing at a secondary battery 14 and a voltage value of a voltage generated at the secondary battery by the current in a predetermined frequency; an optimization unit (CPU 10a) optimizing element constants of an equivalent circuit model of the secondary battery based on the measured voltage value and the current value; an identification unit (CPU 10a) identifying a kind of the secondary battery with reference to the optimized element constants of the equivalent circuit model; a storage unit (ROM 10b) storing detection formulas which detect the state of the secondary battery by each kind of the secondary battery; an acquisition unit (CPU 10a) acquiring the detection formula corresponding to the identified kind from the storage unit; and a detection unit (CPU 10a) detecting the state of the secondary battery by applying the element constants to the acquired detection formula, are included.

Abstract translation: 检测种类不同的高精度的多个二次电池的状态。 [组织]测量在二次电池14上流过的电流的电流值的测量单元（电压传感器11，电流传感器12）和以预定频率通过电流在二次电池处产生的电压的电压值; 基于测量的电压值和当前值优化二次电池的等效电路模型的元件常数的优化单元（CPU 10a）; 参照所述等效电路模型的优化元件常数识别二次电池的种类的识别单元（CPU 10a）; 存储单元（ROM 10b），存储检测由各种二次电池检测二次电池的状态的检测公式; 获取单元（CPU 10a）从存储单元获取与所识别的类型相对应的检测公式; 并且包括通过将元件常数应用于获取的检测公式来检测二次电池的状态的检测单元（CPU 10a）。

公开(公告)号：US20150377978A1

公开(公告)日：2015-12-31

申请号：US14846682

申请日：2015-09-04

Applicant: FURUKAWA ELECTRIC CO., LTD. ,  FURUKAWA AUTOMOTIVE SYSTEMS INC.

Inventor： Taiji MITSUYAMA ,  Noriyasu IWANE ,  Koichi YOKOYAMA ,  Naoya TAKASHIMA ,  Antal KOVATS ,  Tamas MIHALFFY ,  Lorand ROMVARI

IPC: G01R31/36 ,  H02J7/00

CPC classification number: G01R31/392 ,  G01R31/3648 ,  G01R31/3842 ,  G01R31/389 ,  H01M10/44 ,  H01M10/48 ,  H02J7/0021 ,  H02J7/007

Abstract: To provide a secondary battery state detecting device that decreases the deterioration in capacity of the secondary battery and is low in arithmetic cost.A secondary battery state detecting device that detects a state of a secondary battery includes discharge means (discharge circuit (15)) for subjecting the secondary battery (14) to a pulse discharge, acquiring means (controller (10)) for controlling the discharge means to subject the secondary battery to at least one pulse discharge, and acquiring a time variation of a voltage value at that time, calculating means (controller (10)) for calculating a parameter of a predetermined function having time as a variable by fitting the variation of the voltage value acquired by the acquiring means using the predetermined function, and detecting means (controller (10)) for detecting the state of the secondary battery on the basis of the parameter of the predetermined function calculated by the calculating means.

Abstract translation: 提供二次电池状态检测装置，其降低二次电池的容量的劣化，并且算术成本低。 检测二次电池的状态的二次电池状态检测装置包括用于对二次电池（14）进行脉冲放电的放电装置（放电电路（15）），用于控制放电装置的控制器（控制器（10）） 使二次电池进行至少一个脉冲放电，并且获取该时刻的电压值的时间变化，计算装置（控制器（10）），用于通过拟合变化来计算具有时间作为变量的预定函数的参数 以及根据由计算装置计算的预定功能的参数来检测二次电池的状态的检测装置（控制器（10））。