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1. WO2019116640 - BATTERY MONITORING DEVICE, COMPUTER PROGRAM, AND BATTERY MONITORING METHOD

Publication Number WO/2019/116640
Publication Date 20.06.2019
International Application No. PCT/JP2018/031676
International Filing Date 28.08.2018
IPC
G01R 31/36 2006.1
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
31Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge
H01M 10/48 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
48Accumulators combined with arrangements for measuring, testing or indicating condition, e.g. level or density of the electrolyte
H02J 7/00 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
CPC
B60L 2240/547
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
2240Control parameters of input or output; Target parameters
40Drive Train control parameters
54related to batteries
547Voltage
B60L 2240/549
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
2240Control parameters of input or output; Target parameters
40Drive Train control parameters
54related to batteries
549Current
B60L 2240/80
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
2240Control parameters of input or output; Target parameters
80Time limits
B60L 2260/44
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
2260Operating Modes
40Control modes
44by parameter estimation
B60L 3/12
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
3Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
12Recording operating variables ; ; Monitoring of operating variables
B60L 58/12
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES
58Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
10for monitoring or controlling batteries
12responding to state of charge [SoC]
Applicants
  • 住友電気工業株式会社 SUMITOMO ELECTRIC INDUSTRIES, LTD. [JP]/[JP]
Inventors
  • 片岡 智美 KATAOKA, Tomomi
  • 武智 裕章 TAKECHI, Hiroaki
Agents
  • 特許業務法人サンクレスト国際特許事務所 SUNCREST PATENT AND TRADEMARK ATTORNEYS
Priority Data
2017-23864213.12.2017JP
2017-23864313.12.2017JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) BATTERY MONITORING DEVICE, COMPUTER PROGRAM, AND BATTERY MONITORING METHOD
(FR) DISPOSITIF DE SURVEILLANCE DE BATTERIE, PROGRAMME D'ORDINATEUR ET PROCÉDÉ DE SURVEILLANCE DE BATTERIE
(JA) 電池監視装置、コンピュータプログラム及び電池監視方法
Abstract
(EN) This battery monitoring device comprises: a voltage acquisition unit for acquiring the voltages of a plurality of unit batteries; a current acquisition unit for acquiring the charging/discharging current of a secondary battery; a first charging rate calculation unit for calculating first charging rates on the basis of first voltages acquired at a first point in time when a prescribed switch was off during a first trip period; a second charging rate calculation unit for calculating second charging rates on the basis of second voltages acquired at a second point in time when the prescribed switch was off during a second trip period; a charging/discharging amount calculation unit for calculating the charging/discharging amount of the secondary battery from the first point in time to the second point in time; a full-charge-capacity calculation unit for calculating the unit full charge capacities of the plurality of unit batteries on the basis of the first charging rates, second charging rates, and charging/discharging amount; and an update unit for updating the full charge capacity of the secondary battery on the basis of the calculated unit full charge capacities.
(FR) L'invention concerne un dispositif de surveillance de batterie comprenant : une unité d'acquisition de tension permettant d'acquérir les tensions d'une pluralité de batteries unitaires ; une unité d'acquisition de courant permettant d'acquérir le courant de charge/décharge d'une batterie secondaire ; une première unité de calcul de vitesses de charge permettant de calculer des premières vitesses de charge en fonction de premières tensions acquises à un premier instant lorsqu'un commutateur prescrit est éteint pendant une première période de déplacement ; une seconde unité de calcul de vitesse de charge permettant de calculer des secondes vitesses de charge en fonction de secondes tensions acquises à un second instant lorsque le commutateur prescrit est éteint pendant une seconde période de déplacement ; une unité de calcul de quantité de charge/décharge permettant de calculer la quantité de charge/décharge de la batterie secondaire depuis le premier instant jusqu'au second instant ; une unité de calcul de capacité de pleine charge permettant de calculer les capacités de pleine charge unitaire de la pluralité de batteries unitaires en fonction des premières vitesses de charge, des secondes vitesses de charge et d'une quantité de charge/décharge ; et une unité de mise à jour permettant de mettre à jour la capacité de charge complète de la batterie secondaire en fonction des capacités de pleine charge unitaire calculées.
(JA) 電池監視装置は、複数の単位電池の電圧を取得する電圧取得部と、二次電池の充放電電流を取得する電流取得部と、第1のトリップ期間内で所定スイッチがオフ状態である第1時点に取得した第1電圧に基づいて第1充電率を算出する第1充電率算出部と、第2のトリップ期間で所定スイッチがオフ状態である第2時点に取得した第2電圧に基づいて第2充電率を算出する第2充電率算出部と、第1時点から第2時点までの間での二次電池の充放電量を算出する充放電量算出部と、第1充電率、第2充電率及び充放電量に基づいて複数の単位電池の単位満充電容量を算出する満充電容量算出部と、算出した単位満充電容量に基づいて二次電池の満充電容量を更新する更新部とを備える。
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