JP7301850B2 - 電気バッテリの欠陥セルを検出する方法 - Google Patents
電気バッテリの欠陥セルを検出する方法 Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
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- 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
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- 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]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
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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]
- G01R31/3644—Constructional arrangements
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/10—Measuring sum, difference or ratio
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
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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
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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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]
- G01R31/3644—Constructional arrangements
- G01R31/3646—Constructional arrangements for indicating electrical conditions or variables, e.g. visual or audible indicators
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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]
- G01R31/371—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
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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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. 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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
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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]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
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- 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
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- 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
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- 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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Description
バッテリパックの各セルの端子間の無負荷電圧を測定するステップと、
前記セルの端子間で測定した前記無負荷電圧とバッテリパックを使用しない日数に応じて把握される平均無負荷電圧との偏差を計算するステップと、
計算した前記偏差と変数n.σとの差を計算するステップであって、nが1以上の整数であり、σがバッテリパックを使用しない日数に応じて決まる既知の標準偏差である、計算した前記偏差と変数n.σとの差を計算するステップと、
前記差がゼロより大きい場合に、異常セルを検出するステップと、
を含む。
σ≧10mVの場合に、n=4であるのが好ましい。
σ≧20mVの場合に、n=3であるのが好都合である。
バッテリパックの各セルの端子間の電圧を測定するステップと、
前記セルそれぞれのSOCを推定するステップと、
最大充電セルと最小充電セルとのSOC差を決定するステップと、
この差が所定の値(たとえば、20%に等しくてもよいし、30%に等しくてもよい)以上である場合に、欠陥セルを検出するステップと、
を含む。
バッテリパックの各セルの端子間の無負荷電圧を測定するステップと、
前記セルの端子間で測定した無負荷電圧とバッテリを使用しない日数に応じて把握される平均無負荷電圧との偏差を計算するステップと、
前記計算した偏差と変数n.σとの差を計算するステップであり、nが1以上の整数、σがバッテリを使用しない日数に応じて決まる既知の標準偏差である、前記計算した偏差と変数n.σとの差を計算するステップと、
前記差がゼロより大きい場合に、異常セルを検出するステップと、
を含む。
σ>5mVの場合は、nが6に設定されるようになっていてもよいし、
σ>10mVの場合は、nが4に設定されるようになっていてもよいし、
σ>20mVの場合は、nが3に設定されるようになっていてもよい。
Claims (10)
- 電気バッテリパックの異常セルを検出する方法であって、
前記バッテリパックの各セルの端子間の無負荷電圧を測定するステップと、
前記セルの端子間で測定した前記無負荷電圧と前記バッテリパックを使用しない日数に応じて決まる既知の平均無負荷電圧との偏差を計算するステップと、
計算した前記偏差と変数n.σとの差を計算するステップであって、nが1以上の整数であり、σが前記バッテリパックを使用しない日数に応じて決まる既知の標準偏差である、計算した前記偏差と変数n.σとの差を計算するステップと、
前記差がゼロより大きい場合に、異常セルを検出するステップと、
を含むことを特徴とする、方法。 - nが、2から10の整数であることを特徴とする、請求項1に記載の方法。
- 異常セルが検出された場合の警報ステップを含むことを特徴とする、請求項1または2に記載の方法。
- 前記警報ステップが、当該方法を実行する人物に見える視覚信号を使用することを特徴とする、請求項3に記載の方法。
- 前記警報ステップが、当該方法を実行する人物に聞こえる音声信号を使用することを特徴とする、請求項3に記載の方法。
- 少なくとも1つの異常セルが検出された場合に前記バッテリパックの再充電を防止するステップを実行することを特徴とする、請求項1から5のいずれか一項に記載の方法。
- σ≧5mVの場合に、n=6であることを特徴とする、請求項1から6のいずれか一項に記載の方法。
- σ≧10mVの場合に、n=4であることを特徴とする、請求項1から6のいずれか一項に記載の方法。
- σ≧20mVの場合に、n=3であることを特徴とする、請求項1から6のいずれか一項に記載の方法。
- 異常セルの検出時に自律性の喪失を表示するステップを含むことを特徴とする、請求項1から9のいずれか一項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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FR1850345 | 2018-01-16 | ||
FR1850345A FR3076908B1 (fr) | 2018-01-16 | 2018-01-16 | Procede de detection d'une cellule defaillante dans une batterie electrique |
PCT/EP2019/050970 WO2019141688A1 (fr) | 2018-01-16 | 2019-01-15 | Procede de detection d'une cellule defaillante dans une batterie electrique |
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JP2021511767A JP2021511767A (ja) | 2021-05-06 |
JP7301850B2 true JP7301850B2 (ja) | 2023-07-03 |
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US (1) | US11977127B2 (ja) |
EP (1) | EP3740773B1 (ja) |
JP (1) | JP7301850B2 (ja) |
KR (1) | KR20200108869A (ja) |
CN (1) | CN111602065A (ja) |
FR (1) | FR3076908B1 (ja) |
WO (1) | WO2019141688A1 (ja) |
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DE102020118418A1 (de) * | 2020-07-13 | 2022-01-13 | Duesenfeld Gmbh | Akkumulator-Entladevorrichtung zum Entladen von Akkumulatoren und Verfahren zum Entladen einer Mehrzahl an Akkumulatoren |
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WO2022251026A2 (en) * | 2021-05-28 | 2022-12-01 | Gentherm Gmbh | Optimizing performance of electric vehicles using predictive battery analysis |
DE102021123978A1 (de) * | 2021-09-16 | 2023-03-16 | Audi Aktiengesellschaft | Verfahren zum Bestimmen eines Ladezustands einer Antriebsbatterie sowie Antriebsbatterie für ein Kraftfahrzeug |
DE102021214161A1 (de) * | 2021-12-10 | 2023-06-15 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren und Vorrichtung zum Bereitstellen eines Alterungszustands für eine Gerätebatterie mit Korrektur von Zustandsbeobachtungen auf Basis systematischer Zustands- und Umgebungseinflüsse |
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2018
- 2018-01-16 FR FR1850345A patent/FR3076908B1/fr active Active
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2019
- 2019-01-15 EP EP19700507.7A patent/EP3740773B1/fr active Active
- 2019-01-15 US US16/961,865 patent/US11977127B2/en active Active
- 2019-01-15 CN CN201980008212.5A patent/CN111602065A/zh active Pending
- 2019-01-15 JP JP2020538032A patent/JP7301850B2/ja active Active
- 2019-01-15 KR KR1020207022934A patent/KR20200108869A/ko not_active Application Discontinuation
- 2019-01-15 WO PCT/EP2019/050970 patent/WO2019141688A1/fr unknown
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JP2007113953A (ja) | 2005-10-18 | 2007-05-10 | Panasonic Ev Energy Co Ltd | 二次電池用の制御装置及び二次電池の劣化判定方法 |
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Publication number | Publication date |
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WO2019141688A1 (fr) | 2019-07-25 |
EP3740773A1 (fr) | 2020-11-25 |
JP2021511767A (ja) | 2021-05-06 |
FR3076908B1 (fr) | 2021-01-01 |
EP3740773B1 (fr) | 2023-05-17 |
US11977127B2 (en) | 2024-05-07 |
US20200363478A1 (en) | 2020-11-19 |
FR3076908A1 (fr) | 2019-07-19 |
KR20200108869A (ko) | 2020-09-21 |
CN111602065A (zh) | 2020-08-28 |
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