KR101572494B1 - 배터리팩의 수명 추정 장치 - Google Patents
배터리팩의 수명 추정 장치 Download PDFInfo
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- KR101572494B1 KR101572494B1 KR1020140004289A KR20140004289A KR101572494B1 KR 101572494 B1 KR101572494 B1 KR 101572494B1 KR 1020140004289 A KR1020140004289 A KR 1020140004289A KR 20140004289 A KR20140004289 A KR 20140004289A KR 101572494 B1 KR101572494 B1 KR 101572494B1
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- 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
- B60L58/16—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
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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
-
- 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]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Chemical Kinetics & Catalysis (AREA)
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- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
이 발명에 따른 배터리팩의 수명 추정 장치는, 배터리팩을 구성하는 각 배터리셀의 셀 전압을 측정하는 셀전압측정부와 상기 각 배터리셀의 셀 전압을 기반으로 셀 밸런싱 기능을 수행하는 셀밸런싱부를 포함하는 배터리 관리 시스템에서 배터리팩의 수명 추정 장치에 있어서, 상기 셀밸런싱부로부터 밸런싱 대상 셀 개수와 셀 밸런싱 시간 중 적어도 하나의 정보를 입력받아 메모리에 저장하는 셀밸런싱이력저장부와, 상기 메모리에 저장된 상기 밸런싱 대상 셀 개수와 셀 밸런싱 시간 중 적어도 하나의 정보를 기반으로 상기 배터리팩의 SOH(State Of Health)를 산출하는 SOH산출부를 포함한다.
Description
도 2는 이 발명의 일 실시예에 따른 배터리팩의 수명 추정 방법을 도시한 동작 흐름도이다.
13 : 셀밸런싱부 14 : 셀밸런싱이력저장부
15 : 메모리 16 : SOH산출부
Claims (7)
- 배터리팩을 구성하는 각 배터리셀의 셀 전압을 측정하는 셀전압측정부와 상기 각 배터리셀의 셀 전압을 기반으로 셀 밸런싱 기능을 수행하는 셀밸런싱부를 포함하는 배터리 관리 시스템에서 배터리팩의 수명 추정 장치에 있어서,
상기 셀밸런싱부로부터 기설정된 주기마다 적어도 둘 이상의 셀 밸런싱 시간 정보를 입력받고 상기 입력된 둘 이상의 셀 밸런싱 시간의 평균값을 메모리에 저장하는 셀밸런싱이력저장부와,
상기 메모리에 저장된 상기 셀 밸런싱 시간의 평균값 정보를 기반으로 상기 배터리팩의 SOH(State Of Health)를 산출하는 SOH산출부를 포함하는 것을 특징으로 하는 배터리팩의 수명 추정 장치. - 제 1 항에 있어서, 상기 셀 밸런싱 시간은 셀 밸런싱 기능이 수행될 때 밸런싱 대상 셀들의 셀 밸런싱에 소요된 시간을 누적한 값인 것을 특징으로 하는 배터리팩의 수명 추정 장치.
- 제 1 항에 있어서, 상기 셀 밸런싱 시간은 셀 밸런싱 기능이 수행될 대 밸런싱 대상 셀들의 셀 밸런싱에 소요된 시간들 중 최대값인 것을 특징으로 하는 배터리팩의 수명 추정 장치.
- 삭제
- 배터리팩을 구성하는 각 배터리셀의 셀 전압을 측정하는 셀전압측정부와 상기 각 배터리셀의 셀 전압을 기반으로 셀 밸런싱 기능을 수행하는 셀밸런싱부를 포함하는 배터리 관리 시스템에서 배터리팩의 수명 추정 장치에 있어서,
상기 셀밸런싱부로부터 기설정된 주기마다 적어도 둘 이상의 밸런싱 대상 셀 개수 정보를 입력받고 입력된 둘 이상의 밸런싱 대상 셀 개수의 평균값을 메모리에 저장하는 셀밸런싱이력저장부와,
상기 메모리에 저장된 상기 밸런싱 대상 셀 개수의 평균값의 변화를 기반으로 상기 배터리팩의 SOH(State Of Health)를 산출하는 SOH산출부를 포함한 것을 특징으로 하는 배터리팩의 수명 추정 장치. - 삭제
- 삭제
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US12135356B2 (en) | 2019-07-10 | 2024-11-05 | Lg Energy Solution, Ltd. | Apparatus and method for diagnosing state of battery pack |
Families Citing this family (11)
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CN106970329B (zh) * | 2017-03-13 | 2020-01-31 | 深圳奥特迅电力设备股份有限公司 | 一种电池相对健康状况的判断方法及电池组供电系统 |
KR101982847B1 (ko) * | 2017-06-14 | 2019-05-29 | 경상북도 문경시 | 관광 시설물 운영 관리 시스템 |
CN109557477B (zh) * | 2017-09-25 | 2021-11-19 | 郑州宇通客车股份有限公司 | 一种电池系统健康状态估算方法 |
CN108777328B (zh) * | 2018-04-09 | 2020-06-23 | 江西优特汽车技术有限公司 | 一种动力电池衰减一致性管理方法 |
KR102801609B1 (ko) * | 2019-10-24 | 2025-04-25 | 주식회사 엘지에너지솔루션 | 배터리 퇴화도 진단 장치 및 방법 |
KR102729621B1 (ko) * | 2019-10-28 | 2024-11-14 | 주식회사 엘지에너지솔루션 | 배터리 이상 검출 장치 및 방법 |
DE102020202802A1 (de) | 2020-03-05 | 2021-09-09 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zur Bestimmung mindestens eines Alterungszustandes einer ersten Mehrzahl an elektrischen Energiespeichereinheiten |
KR102201988B1 (ko) * | 2020-06-17 | 2021-01-12 | 주식회사 나산전기산업 | 배터리의 충방전 특성을 사용하여 배터리를 관리하는 배터리 관리 시스템 |
KR102754173B1 (ko) * | 2021-03-26 | 2025-01-10 | 주식회사 엘지에너지솔루션 | 배터리 진단 장치 및 방법 |
CN115825759A (zh) * | 2022-01-17 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | 电池组各电芯健康度差异的检测方法、装置及检测设备 |
KR20240101221A (ko) * | 2022-12-23 | 2024-07-02 | 주식회사 엘지에너지솔루션 | 배터리 진단 장치 및 그의 동작 방법 |
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WO2013009696A1 (en) * | 2011-07-14 | 2013-01-17 | Southwest Electronic Energy Group | Short detection in battery cells |
US20130065093A1 (en) | 2011-09-12 | 2013-03-14 | Southwest Electronic Energy Corporation | Historical Analysis of Battery Cells for Determining State of Health |
Cited By (1)
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US12135356B2 (en) | 2019-07-10 | 2024-11-05 | Lg Energy Solution, Ltd. | Apparatus and method for diagnosing state of battery pack |
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