KR102525676B1 - 배터리 관리 시스템 - Google Patents
배터리 관리 시스템 Download PDFInfo
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- 238000000034 method Methods 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 abstract description 6
- 238000007726 management method Methods 0.000 description 47
- 238000010586 diagram Methods 0.000 description 8
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- 230000006866 deterioration Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
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- 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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- 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
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
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- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
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- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- G01R31/374—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- G—PHYSICS
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- 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
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- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- 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
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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- B60L2240/00—Control parameters of input or output; Target parameters
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- B60Y2200/91—Electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
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- B60Y2200/92—Hybrid vehicles
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- 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
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 개별 배터리 관리 유닛(100)을 나타내는 도면
도 3은 배터리 관리 시스템의 관리 방식을 설명하기 위한 그래프
도 4는 배터리 회로 모델을 나타내는 회로도
도 5는 본 발명의 다른 실시예에 따른 복수 배터리 모듈과 배터리 관리 시스템 간을 설명하기 위한 도면
50 : 배터리 팩
55 : 배터리 모듈
100 : 개별 배터리 관리 유닛
100a : 개별 배터리 관리 유닛
100b : 통합 관리 유닛
110 : SOH 산출부
120 : SOC 산출부
200 : 관리부
Claims (12)
- 복수 배터리 모듈을 포함하는 배터리 팩을 관리하는 배터리 관리 시스템에 있어서,
상기 배터리 관리 시스템은 상기 복수 배터리 모듈을 구성하는 개별 배터리 모듈 각각에 대한 복수의 개별 배터리 관리 유닛; 및
상기 복수의 개별 배터리 관리 유닛을 통합 관리하는 관리부;를 포함하고,
상기 개별 배터리 관리 유닛은, 상기 개별 배터리 모듈의 SOH(State Of Health)를 산출하는 SOH 산출부 및 상기 개별 배터리 모듈의 SOC(State Of Charge)를 산출하는 SOC 산출부를 포함하고,
상기 관리부는 상기 개별 배터리 모듈 각각의 SOH 및 SOC를 기반으로 상기 복수 배터리 모듈 전체의 성능 상태를 관리하고,
상기 개별 배터리 모듈 각각의 SOC는 상기 개별 배터리 모듈 각각의 SOH에 의해 보정되고,
상기 SOC는,
설정 저항과 설정 커패시터의 병렬 회로에 가변 저항이 직렬 연결되어 형성되는 배터리 회로 모델에 의해 산출되고,
상기 가변 저항의 저항값은,
상기 개별 배터리 모듈 각각이 열화됨에 따라 변하는,
배터리 관리 시스템.
- 청구항 1에 있어서,
상기 관리부는 상기 개별 배터리 모듈 각각의 SOH 및 SOC를 바탕으로 상기 개별 배터리 모듈 각각의 사용가능 용량을 설정하는, 배터리 관리 시스템.
- 청구항 2에 있어서,
상기 관리부는 상기 개별 배터리 모듈 각각의 사용가능 용량 중 최소 용량을 기준으로 상기 복수 배터리 모듈 전체의 성능 상태를 관리하는, 배터리 관리 시스템.
- 청구항 1에 있어서,
상기 개별 배터리 모듈 각각의 SOH는 배터리 용량에 관한 SOH 및 배터리 내 저항 상승에 관한 SOH를 통해 산출되는, 배터리 관리 시스템.
- 삭제
- 청구항 8에 있어서,
상기 OCV 값은 상기 개별 배터리 모듈 각각에 대해서 산출된 배터리 용량에 관한 SOH 값에 의해 보정되는, 배터리 관리 시스템.
- 청구항 8에 있어서,
상기 IR1 값은 상기 개별 배터리 모듈 각각에 대해서 산출된 배터리 내 저항 상승에 관한 SOH 값에 의해 보정되는, 배터리 관리 시스템.
- 청구항 9에 있어서,
상기 개별 배터리 모듈 각각의 SOC는 상기 보정된 OCV 값을 기초로 SOC-OCV 테이블(table)로부터 산출되는, 배터리 관리 시스템.
- 청구항 8에 있어서,
상기 배터리 회로 모델로부터 상기 개별 배터리 모듈 각각의 전압 및 출력이 예측되는, 배터리 관리 시스템.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180019956A KR102525676B1 (ko) | 2018-02-20 | 2018-02-20 | 배터리 관리 시스템 |
US16/279,707 US11460511B2 (en) | 2018-02-20 | 2019-02-19 | Battery management system |
EP19158320.2A EP3531150A1 (en) | 2018-02-20 | 2019-02-20 | Battery management system |
CN201910127118.3A CN110174619B (zh) | 2018-02-20 | 2019-02-20 | 电池管理系统 |
DE202019006075.8U DE202019006075U1 (de) | 2018-02-20 | 2019-02-20 | Batteriemanagementsystem |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180019956A KR102525676B1 (ko) | 2018-02-20 | 2018-02-20 | 배터리 관리 시스템 |
Publications (2)
Publication Number | Publication Date |
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KR20190099904A KR20190099904A (ko) | 2019-08-28 |
KR102525676B1 true KR102525676B1 (ko) | 2023-04-24 |
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CN114829960A (zh) * | 2019-12-18 | 2022-07-29 | 本田技研工业株式会社 | 电力装置、显示装置、充电率计算方法、程序和存储介质 |
JP7452273B2 (ja) * | 2020-06-12 | 2024-03-19 | トヨタ自動車株式会社 | 電池システム |
US20220037907A1 (en) * | 2020-07-29 | 2022-02-03 | Cirrus Logic International Semiconductor Ltd. | Optimizing power delivery of a power converter |
CN112147513A (zh) * | 2020-09-23 | 2020-12-29 | 南京工程学院 | 一种动力电池soc多维度校准方法 |
KR20220075045A (ko) * | 2020-11-26 | 2022-06-07 | 주식회사 엘지에너지솔루션 | 배터리 모듈, 이를 포함하는 배터리 팩 및 자동차 |
KR20230019315A (ko) | 2021-07-29 | 2023-02-08 | 현대자동차주식회사 | 차량의 배터리 열화도 예측 방법 및 시스템 |
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CN114633662B (zh) * | 2022-03-25 | 2023-12-08 | 苏州赤兔驱动科技有限公司 | 双锂电池充放电管理方法及应用其的电动车能源管理系统 |
US12149112B2 (en) * | 2022-08-30 | 2024-11-19 | Schneider Electric USA, Inc. | Energy management for EVSE |
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EP3531150A1 (en) | 2019-08-28 |
CN110174619B (zh) | 2023-05-12 |
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DE202019006075U1 (de) | 2024-07-23 |
US11460511B2 (en) | 2022-10-04 |
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