JP2020511737A - バッテリーの内部抵抗を最適化するためのバッテリー管理システム及び方法 - Google Patents
バッテリーの内部抵抗を最適化するためのバッテリー管理システム及び方法 Download PDFInfo
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- JP2020511737A JP2020511737A JP2019547398A JP2019547398A JP2020511737A JP 2020511737 A JP2020511737 A JP 2020511737A JP 2019547398 A JP2019547398 A JP 2019547398A JP 2019547398 A JP2019547398 A JP 2019547398A JP 2020511737 A JP2020511737 A JP 2020511737A
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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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- 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
-
- 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
-
- 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
-
- 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
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
-
- 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
- H01M10/44—Methods for charging or discharging
- H01M10/448—End of discharge regulating measures
-
- 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
-
- 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
-
- 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
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
Abstract
Description
20:開閉器
100:バッテリー管理システム
110:センシング部
120:メモリ
130:制御部
140:通信インターフェース
Claims (9)
- バッテリーの内部抵抗を最適化するためのバッテリー管理システムであって、
前記バッテリーの放電電流を測定するように構成された電流測定部と、
複数の電圧−電流特性プロファイルを保存するように構成されたメモリと、
前記電流測定部及び前記メモリに動作可能に結合され、前記バッテリーの充電状態及び温度に基づいて前記複数の電圧−電流特性プロファイルから基準プロファイルを決定するように構成された制御部であって、前記基準プロファイルは、出発点、終了点及び前記出発点と前記終了点との間に位置する複数の中間点を含む、前記制御部とを含み、
前記制御部は、
前記出発点及び前記終了点に基づいて前記バッテリーの内部抵抗を決定し、
前記複数の中間点のうちいずれか一つを基準点に設定し、
前記基準点及び前記終了点に基づいて前記内部抵抗よりも小さい基準抵抗を決定し、
前記放電電流、前記内部抵抗、前記基準抵抗及び所定の放電上限電流に基づいて前記内部抵抗よりも大きい最適抵抗を決定する、バッテリー管理システム。 - 前記制御部は、前記出発点の電圧と前記終了点の電圧との差を前記終了点の電流で除して前記内部抵抗を決定し、
前記出発点の電圧は、前記バッテリーの充電状態及び温度に対応する前記バッテリーの開放電圧を示す、請求項1に記載のバッテリー管理システム。 - 前記終了点の電流は、前記放電上限電流と同一である、請求項2に記載のバッテリー管理システム。
- 前記制御部は、前記基準点の電圧、前記基準点の電流、前記終了点の電圧及び前記終了点の電流に基づいて前記基準抵抗を決定する、請求項1から3のいずれか一項に記載のバッテリー管理システム。
- 前記制御部は、前記複数の中間点のうち前記終了点に最も近い中間点を前記基準点として決定する、請求項1から6のいずれか一項に記載のバッテリー管理システム。
- 請求項1〜請求項7のうちいずれか一項に記載の前記バッテリー管理システムを含む、バッテリーパック。
- バッテリーの内部抵抗を最適化するための方法であって、
前記バッテリーの充電状態及び温度に基づいて複数の電圧−電流特性プロファイルから基準プロファイルを決定する段階であって、前記基準プロファイルは、出発点、終了点及び前記出発点と前記終了点との間に位置する複数の中間点を含む、段階と、
前記出発点及び前記終了点に基づいて前記バッテリーの内部抵抗を決定する段階と、
前記複数の中間点のうちいずれか一つを基準点として設定する段階と、
前記基準点及び前記終了点に基づいて前記内部抵抗よりも小さい基準抵抗を決定する段階と、
前記バッテリーの放電電流、前記内部抵抗、前記基準抵抗及び所定の放電上限電流に基づいて前記内部抵抗よりも大きい最適抵抗を決定する段階とを含む、方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020170146221A KR102194842B1 (ko) | 2017-11-03 | 2017-11-03 | 배터리의 내부 저항을 최적화하기 위한 배터리 관리 시스템 및 방법 |
KR10-2017-0146221 | 2017-11-03 | ||
PCT/KR2018/010371 WO2019088440A1 (ko) | 2017-11-03 | 2018-09-05 | 배터리의 내부 저항을 최적화하기 위한 배터리 관리 시스템 및 방법 |
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US (1) | US11009555B2 (ja) |
EP (1) | EP3605716B1 (ja) |
JP (1) | JP6884966B2 (ja) |
KR (1) | KR102194842B1 (ja) |
CN (1) | CN110521051B (ja) |
PL (1) | PL3605716T3 (ja) |
WO (1) | WO2019088440A1 (ja) |
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CN111624504A (zh) * | 2020-06-04 | 2020-09-04 | 奇瑞商用车(安徽)有限公司 | 一种锂离子电池直流内阻测试方法 |
CN112327195A (zh) * | 2020-09-29 | 2021-02-05 | 浙江南都电源动力股份有限公司 | 一种电池健康度检测方法 |
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WO2023272373A1 (en) * | 2021-06-29 | 2023-01-05 | Magna International Inc. | Overcurrent detection using a programmable logic device |
CN113884920B (zh) * | 2021-09-30 | 2023-07-14 | 济南耀锐电子科技有限公司 | 一种用于充放电状态的电池内阻测试系统 |
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- 2018-09-05 CN CN201880022653.6A patent/CN110521051B/zh active Active
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JP6884966B2 (ja) | 2021-06-09 |
CN110521051B (zh) | 2022-08-05 |
KR20190050638A (ko) | 2019-05-13 |
WO2019088440A1 (ko) | 2019-05-09 |
EP3605716A4 (en) | 2020-07-15 |
CN110521051A (zh) | 2019-11-29 |
US11009555B2 (en) | 2021-05-18 |
KR102194842B1 (ko) | 2020-12-23 |
US20200096573A1 (en) | 2020-03-26 |
PL3605716T3 (pl) | 2021-12-27 |
EP3605716B1 (en) | 2021-08-18 |
EP3605716A1 (en) | 2020-02-05 |
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