JP6884966B2 - 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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- JP6884966B2 JP6884966B2 JP2019547398A JP2019547398A JP6884966B2 JP 6884966 B2 JP6884966 B2 JP 6884966B2 JP 2019547398 A JP2019547398 A JP 2019547398A JP 2019547398 A JP2019547398 A JP 2019547398A JP 6884966 B2 JP6884966 B2 JP 6884966B2
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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
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
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 (5)
- バッテリーを放電する間に過放電を防止するために前記バッテリーの放電制限電流を決定するために用いられる前記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、放電電流が0Aであるときの前記バッテリーの開放電圧を示す出発点、所定の放電上限電流と同じ定電流によるパルス放電時に測定される前記バッテリーの電圧を示す終了点、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、
それぞれの中間点は、0Aより大きく前記放電上限電流よりも小さい定電流によるパルス放電時に測定された前記バッテリーの電圧を示し、
それぞれの中間点の電圧は、前記出発点と前記終了点とを通る直線に応じた電圧よりも下に位置し、
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、
前記基準点の電圧と前記終了点の電圧との差を、前記基準点の電流と前記終了点の電流との差で除して、前記内部抵抗よりも小さい基準抵抗を決定し、
下記の数式2を用いて、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または2に記載のバッテリー管理システム。
- 請求項1〜請求項3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。
- バッテリーを放電する間に過放電を防止するために前記バッテリーの放電制限電流を決定するために用いられる前記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、放電電流が0Aであるときの前記バッテリーの開放電圧を示す出発点、所定の放電上限電流と同じ定電流によるパルス放電時に測定される前記バッテリーの電圧を示す終了点、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み、それぞれの中間点は、0Aより大きく前記放電上限電流よりも小さい定電流によるパルス放電時に測定された前記バッテリーの電圧を示し、それぞれの中間点の電圧は、前記出発点と前記終了点とを通る直線に応じた電圧よりも下に位置する、段階と、
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、
前記基準点の電圧と前記終了点の電圧との差を、前記基準点の電流と前記終了点の電流との差で除して、前記内部抵抗よりも小さい基準抵抗を決定する段階と、
下記の数式2を用いて、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 |
---|---|---|---|
KR10-2017-0146221 | 2017-11-03 | ||
KR1020170146221A KR102194842B1 (ko) | 2017-11-03 | 2017-11-03 | 배터리의 내부 저항을 최적화하기 위한 배터리 관리 시스템 및 방법 |
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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JP2020511737A JP2020511737A (ja) | 2020-04-16 |
JP6884966B2 true JP6884966B2 (ja) | 2021-06-09 |
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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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PL3605716T3 (pl) | 2021-12-27 |
CN110521051B (zh) | 2022-08-05 |
US11009555B2 (en) | 2021-05-18 |
US20200096573A1 (en) | 2020-03-26 |
CN110521051A (zh) | 2019-11-29 |
JP2020511737A (ja) | 2020-04-16 |
EP3605716A4 (en) | 2020-07-15 |
EP3605716A1 (en) | 2020-02-05 |
KR20190050638A (ko) | 2019-05-13 |
KR102194842B1 (ko) | 2020-12-23 |
EP3605716B1 (en) | 2021-08-18 |
WO2019088440A1 (ko) | 2019-05-09 |
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