JP6870187B2 - バッテリー診断装置及び方法 - Google Patents
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- 229910052744 lithium Inorganic materials 0.000 description 3
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- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
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- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
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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
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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
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
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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]
- G01R31/367—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]
- G01R31/382—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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- 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
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/005—Detection of state of health [SOH]
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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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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- Tests Of Electric Status Of Batteries (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Description
B:バッテリー
100:バッテリー診断装置
110:センシング部
120:メモリ部
130:プロセッサ
140:通知部
Claims (10)
- バッテリーの電圧を測定するように構成されたセンシング部と、
前記バッテリーの充電状態を推定し、前記センシング部から受信した電圧と推定した充電状態とがマッピングされた前記バッテリーの充電状態−電圧データから複数の変曲データを検出し、既定の基準微分係数に基づいて検出された複数の変曲データそれぞれにおける微分係数の増減率を算出し、算出された複数の微分係数の増減率が既定の基準増減率の範囲に属するか否かによって前記バッテリーの電極反応抵抗度の変化を診断し、前記電極反応抵抗度の変化に基づいて、バッテリーの充電または放電電流の大きさを調整するように構成されたプロセッサとを含む、バッテリー診断装置。 - 前記プロセッサは、前記検出された複数の変曲データそれぞれにおける微分係数と前記既定の基準微分係数との差に基づいて前記微分係数の増減率を算出するように構成され、
前記プロセッサは、前記電極反応抵抗度が増加したと診断された場合にのみ、バッテリーの充電または放電電流の大きさを調整するように構成された、請求項1に記載のバッテリー診断装置。 - 前記プロセッサは、前記算出された複数の微分係数の増減率のうち既定の基準範囲に含まれない微分係数の増減率の個数が既定の基準個数以上である場合にのみ、前記電極反応抵抗度が増加したと診断するように構成された、請求項1または2に記載のバッテリー診断装置。
- 前記プロセッサは、前記電極反応抵抗度が増加したと診断された場合、前記算出された複数の微分係数の増減率のうち前記既定の基準増減率の範囲に含まれない微分係数の増減率を選択し、選択された微分係数の増減率に基づいて既定のバッテリーの充電または放電電流の大きさを調整するように構成された、請求項1から3のいずれか一項に記載のバッテリー診断装置。
- 前記プロセッサは、前記選択された微分係数の増減率に対応する比率だけ前記既定のバッテリーの充電または放電電流の大きさを増加または減少させて、前記バッテリーの充電または放電電流の大きさを調整するように構成された、請求項4に記載のバッテリー診断装置。
- 前記プロセッサは、前記検出された複数の変曲データのうち最も小さい充電状態を有する変曲データに対する微分係数を第1微分係数として選択し、最も大きい充電状態を有する変曲データに対する微分係数を第2微分係数として選択し、前記第1微分係数及び第2微分係数の増減率に基づいて前記電極反応抵抗度の変化を診断するように構成された、請求項1から5のいずれか一項に記載のバッテリー診断装置。
- 請求項1から6のいずれか一項に記載のバッテリー診断装置を含むバッテリー管理装置。
- 請求項1から6のいずれか一項に記載のバッテリー診断装置を含むバッテリーパック。
- バッテリーの電圧を測定し、前記バッテリーの充電状態を推定する充電状態推定段階と、
測定された電圧と推定された充電状態とがマッピングされた前記バッテリーの充電状態−電圧データから複数の変曲データを検出する変曲データ検出段階と、
既定の基準微分係数に基づいて検出された複数の変曲データそれぞれにおける微分係数の増減率を算出する微分係数増減率算出段階と、
算出された複数の微分係数の増減率が既定の基準増減率の範囲に属するか否かによって前記バッテリーの電極反応抵抗度の変化を診断する診断段階と、
前記電極反応抵抗度の変化に基づいて、バッテリーの充電または放電電流の大きさを調整する電流調整段階とを含む、バッテリー診断方法。 - 前記電流調整段階は、前記診断段階で電極反応抵抗度が増加したと診断された場合、前記算出された複数の微分係数の増減率のうち前記既定の基準増減率の範囲に含まれない微分係数の増減率を選択し、選択された微分係数の増減率に基づいて既定のバッテリーの充電または放電電流の大きさを調整する段階を含む、請求項9に記載のバッテリー診断方法。
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KR10-2018-0041691 | 2018-04-10 | ||
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PCT/KR2019/004289 WO2019199058A1 (ko) | 2018-04-10 | 2019-04-10 | 배터리 진단 장치 및 방법 |
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JP6870187B2 true JP6870187B2 (ja) | 2021-05-12 |
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US (1) | US11150307B2 (ja) |
EP (1) | EP3674731A4 (ja) |
JP (1) | JP6870187B2 (ja) |
KR (1) | KR102343422B1 (ja) |
CN (1) | CN111164437B (ja) |
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JP7020720B2 (ja) * | 2018-04-10 | 2022-02-16 | エルジー・ケム・リミテッド | バッテリー診断装置及び方法 |
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2019
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- 2019-04-10 EP EP19786006.7A patent/EP3674731A4/en active Pending
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US11150307B2 (en) | 2021-10-19 |
KR102343422B1 (ko) | 2021-12-24 |
EP3674731A4 (en) | 2021-01-13 |
WO2019199058A1 (ko) | 2019-10-17 |
CN111164437B (zh) | 2022-05-31 |
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