JP2023535441A - バッテリ抵抗算出装置および方法 - Google Patents
バッテリ抵抗算出装置および方法 Download PDFInfo
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- JP2023535441A JP2023535441A JP2023504608A JP2023504608A JP2023535441A JP 2023535441 A JP2023535441 A JP 2023535441A JP 2023504608 A JP2023504608 A JP 2023504608A JP 2023504608 A JP2023504608 A JP 2023504608A JP 2023535441 A JP2023535441 A JP 2023535441A
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- 238000009413 insulation Methods 0.000 claims abstract description 122
- 238000005259 measurement Methods 0.000 claims abstract description 60
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- 230000008859 change Effects 0.000 claims abstract description 32
- 238000010586 diagram Methods 0.000 description 16
- 230000015654 memory Effects 0.000 description 15
- 238000004891 communication Methods 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
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- 239000004065 semiconductor Substances 0.000 description 3
- 206010014357 Electric shock Diseases 0.000 description 2
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- 238000007599 discharging Methods 0.000 description 2
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- 238000004590 computer program Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
Description
2 上位制御器
10 バッテリモジュール
12 センサ
14 スイッチング部
20 バッテリ管理システム
200 バッテリ抵抗算出装置
210 測定回路
220 電圧測定部
230 絶縁抵抗算出部
240 格納部
300 バッテリ抵抗算出装置
310 MCU
320 メモリ
330 入出力I/F
340 通信I/F
Claims (10)
- バッテリパックの(+)端子および(-)端子のうち一つの端子とシャーシとの間に連結される測定回路と、
前記測定回路から電圧を測定する電圧測定部と、
前記電圧測定部で測定された電圧に基づいて前記バッテリパックの絶縁抵抗を算出する絶縁抵抗算出部と、
を含み、
前記絶縁抵抗算出部は、算出された前記絶縁抵抗が予め設定された臨界値未満の場合、前記バッテリパックの時間に対する電圧の変化量に基づいて前記絶縁抵抗を再算出する、バッテリ抵抗算出装置。 - 前記測定回路は、直列連結された測定抵抗及びスイッチを含み、前記測定抵抗と前記スイッチとは、前記絶縁抵抗に並列に接続している、請求項1に記載のバッテリ抵抗算出装置。
- 前記測定回路は、前記バッテリパックの前記絶縁抵抗のうち一つに並列に接続された電圧分配用抵抗をさらに含む、請求項1又は2に記載のバッテリ抵抗算出装置。
- 前記絶縁抵抗算出部は、算出された前記絶縁抵抗が予め設定された臨界値未満の場合、前記バッテリパックの時間に対する電圧の変化量を用いて前記バッテリパックの容量の変化量を計算することで前記絶縁抵抗を再算出する、請求項1~3のいずれか一項に記載のバッテリ抵抗算出装置。
- 前記絶縁抵抗算出部は、前記バッテリパックの容量の変化量からリーク電流を計算し、前記バッテリパックの時間に対する電圧の変化量と前記リーク電流とに基づいて前記絶縁抵抗を再算出する、請求項4に記載のバッテリ抵抗算出装置。
- 前記絶縁抵抗算出部は、予め格納されたOCV-SOCテーブルに基づいて前記バッテリパックの容量の変化量を算出する、請求項4に記載のバッテリ抵抗算出装置。
- 前記絶縁抵抗算出部は、算出された前記絶縁抵抗が予め設定された臨界値未満の場合、前記バッテリパックの前の駆動完了時点の電圧と前記バッテリパックの駆動開始前の時点の電圧との差の値に基づいて前記絶縁抵抗を再算出する、請求項1~6のいずれか一項に記載のバッテリ抵抗算出装置。
- 前記絶縁抵抗算出部は、算出された前記絶縁抵抗が予め設定された臨界値未満の場合、前記バッテリパックの前の駆動完了時点の電圧と前記バッテリパックの前の駆動完了時点から予め設定された時間経過後のウェークアップされる前記バッテリパックの電圧との差の値に基づいて前記絶縁抵抗を再算出する、請求項1~6のいずれか一項に記載のバッテリ抵抗算出装置。
- 前記バッテリパックの前の駆動完了時点からの予め設定された時間は、リアルタイムクロックにより測定される、請求項8に記載のバッテリ抵抗算出装置。
- バッテリパックの(+)端子および(-)端子のうち一つの端子とシャーシとの間に測定回路を連結して電圧を測定するステップと、
測定された電圧に基づいて前記バッテリパックの絶縁抵抗を算出するステップと、
を含み、
前記バッテリパックの絶縁抵抗を算出するステップは、算出された前記絶縁抵抗が予め設定された臨界値未満の場合、前記バッテリパックの時間に対する電圧の変化量に基づいて前記絶縁抵抗を再算出する、バッテリ抵抗算出方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2020-0122615 | 2020-09-22 | ||
KR1020200122615A KR102673263B1 (ko) | 2020-09-22 | 2020-09-22 | 배터리 저항 산출 장치 및 방법 |
PCT/KR2021/010384 WO2022065676A1 (ko) | 2020-09-22 | 2021-08-06 | 배터리 저항 산출 장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
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JP2023535441A true JP2023535441A (ja) | 2023-08-17 |
JP7475769B2 JP7475769B2 (ja) | 2024-04-30 |
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JP2023504608A Active JP7475769B2 (ja) | 2020-09-22 | 2021-08-06 | バッテリ抵抗算出装置および方法 |
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US (1) | US20230280409A1 (ja) |
EP (1) | EP4174506A4 (ja) |
JP (1) | JP7475769B2 (ja) |
KR (1) | KR102673263B1 (ja) |
CN (1) | CN116194786A (ja) |
WO (1) | WO2022065676A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117269803A (zh) * | 2023-11-21 | 2023-12-22 | 江苏林洋亿纬储能科技有限公司 | 电储能***电池簇电阻检测装置的无源测量***及方法 |
Families Citing this family (1)
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KR20220038921A (ko) * | 2020-09-21 | 2022-03-29 | 주식회사 엘지에너지솔루션 | 배터리 팩 내부에서 무선 통신 방법 및 그 방법을 제공하는 마스터 bms |
Family Cites Families (14)
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JP5552218B2 (ja) * | 2008-07-08 | 2014-07-16 | 株式会社日立製作所 | 電源装置 |
JP2014081267A (ja) * | 2012-10-16 | 2014-05-08 | Sanyo Electric Co Ltd | 電源装置 |
JP5705382B1 (ja) * | 2013-11-22 | 2015-04-22 | 三菱電機株式会社 | 絶縁検出器及び電気機器 |
KR101984326B1 (ko) * | 2014-01-07 | 2019-09-03 | 에스케이이노베이션 주식회사 | 배터리의 절연 저항 측정 장치 및 방법 |
US9630520B2 (en) | 2015-01-13 | 2017-04-25 | Ford Global Technologies, Llc | Circuit and method for battery leakage detection |
DE102015101074B4 (de) * | 2015-01-26 | 2021-10-07 | Lisa Dräxlmaier GmbH | Verfahren und Vorrichtung zur Bestimmung einer Isolationsgröße sowie Kraftfahrzeug mit dieser Vorrichtung |
US9579977B2 (en) * | 2015-01-28 | 2017-02-28 | Ford Global Technologies, Llc | Bus leakage resistance estimation for electric vehicle |
KR101746141B1 (ko) * | 2015-03-10 | 2017-06-13 | 주식회사 엘지화학 | 절연저항측정 장치 및 방법 |
CN109884391A (zh) * | 2017-12-04 | 2019-06-14 | 宝沃汽车(中国)有限公司 | 电池包绝缘电阻检测方法、装置及电池管理*** |
CN108333492B (zh) * | 2018-02-01 | 2021-01-01 | 宁德时代新能源科技股份有限公司 | 绝缘检测电路及方法、电池管理*** |
KR102391533B1 (ko) * | 2018-10-05 | 2022-04-28 | 주식회사 엘지에너지솔루션 | 이차전지 셀의 저전압 진단 방법 및 장치 |
JP6986004B2 (ja) | 2018-12-03 | 2021-12-22 | 株式会社デンソー | 絶縁抵抗検出装置 |
KR20200084517A (ko) * | 2019-01-03 | 2020-07-13 | 주식회사 엘지화학 | 절연저항 측정 장치 및 방법 |
KR102309687B1 (ko) | 2019-04-18 | 2021-10-06 | 이동일 | 손가락 착용 스캐너에 사용되는 스캐너 어댑터 |
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- 2020-09-22 KR KR1020200122615A patent/KR102673263B1/ko active IP Right Grant
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2021
- 2021-08-06 WO PCT/KR2021/010384 patent/WO2022065676A1/ko unknown
- 2021-08-06 JP JP2023504608A patent/JP7475769B2/ja active Active
- 2021-08-06 EP EP21872708.9A patent/EP4174506A4/en active Pending
- 2021-08-06 US US18/017,814 patent/US20230280409A1/en active Pending
- 2021-08-06 CN CN202180057683.2A patent/CN116194786A/zh active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117269803A (zh) * | 2023-11-21 | 2023-12-22 | 江苏林洋亿纬储能科技有限公司 | 电储能***电池簇电阻检测装置的无源测量***及方法 |
CN117269803B (zh) * | 2023-11-21 | 2024-02-06 | 江苏林洋亿纬储能科技有限公司 | 电储能***电池簇电阻检测***的无源测量***及方法 |
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Publication number | Publication date |
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CN116194786A (zh) | 2023-05-30 |
US20230280409A1 (en) | 2023-09-07 |
EP4174506A1 (en) | 2023-05-03 |
EP4174506A4 (en) | 2024-01-03 |
KR20220039484A (ko) | 2022-03-29 |
KR102673263B1 (ko) | 2024-06-10 |
WO2022065676A1 (ko) | 2022-03-31 |
JP7475769B2 (ja) | 2024-04-30 |
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