KR20220086231A - 배터리 관리 시스템 및 그것의 배터리 셀 전압 측정 방법 - Google Patents
배터리 관리 시스템 및 그것의 배터리 셀 전압 측정 방법 Download PDFInfo
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- KR20220086231A KR20220086231A KR1020200176495A KR20200176495A KR20220086231A KR 20220086231 A KR20220086231 A KR 20220086231A KR 1020200176495 A KR1020200176495 A KR 1020200176495A KR 20200176495 A KR20200176495 A KR 20200176495A KR 20220086231 A KR20220086231 A KR 20220086231A
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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
-
- 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
-
- 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
-
- 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
- B60L58/18—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
- B60L58/21—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 having the same nominal voltage
-
- 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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
-
- 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]
- G01R31/389—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]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
-
- 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
- H01M10/48—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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transportation (AREA)
- Sustainable Energy (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Measurement Of Current Or Voltage (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
도 2는 종래 기술에 따른 배터리 관리 시스템의 다른 예이다.
도 3은 본 발명의 바람직한 제1 실시예에 따른 배터리 관리 시스템의 개념도이다.
도 4는 본 발명의 바람직한 제2 실시예에 따른 배터리 관리 시스템의 개념도이다.
도 5는 본 발명의 바람직한 실시예에 따른 배터리 관리 시스템의 배터리 셀 전압 측정 방법의 순서도이다.
310, 320: 제1, 제2 배터리 모듈
400: 모니터링 IC
AUX1, AUX2: 제1, 제2 보조 채널
Claims (8)
- 배터리 셀과 상기 배터리 셀에 연결된 버스바의 전압을 동시 측정하는 적어도 하나의 채널을 구비하고, 상기 버스바의 역전압을 측정하는 보조 채널을 구비하며, 상기 적어도 하나의 채널을 통해 측정된 채널 전압과 상기 역전압을 이용하여 상기 배터리 셀의 전압을 산출하는 모니터링 IC;
를 포함하는 배터리 관리 시스템. - 제 1 항에 있어서,
상기 모니터링 IC는,
상기 보조 채널에 연결되는 내부 저항을 포함하는 것을 특징으로 하는 배터리 관리 시스템. - 제 1 항에 있어서,
상기 모니터링 IC는,
상기 보조 채널에 연결되는 샘플링 커패시터를 포함하는 것을 특징으로 하는 배터리 관리 시스템. - 제 1 항에 있어서,
상기 모니터링 IC는,
상기 채널 전압에서 상기 역전압을 차감하여 상기 배터리 셀의 전압을 산출하는 것을 특징으로 하는 배터리 관리 시스템. - 적어도 하나의 채널을 통해 배터리 셀 전압과 상기 배터리 셀에 연결된 버스바의 전압을 동시 측정하는 채널 전압 측정 단계;
보조 채널을 통해 상기 버스바의 역전압을 측정하는 역전압 측정 단계; 및
상기 적어도 하나의 채널을 통해 측정된 채널 전압과 상기 역전압을 이용하여 상기 배터리 셀의 전압을 산출하는 배터리 셀 전압 산출 단계;
를 포함하는 배터리 관리 시스템의 배터리 셀 전압 측정 방법. - 제 5 항에 있어서,
상기 역전압 측정 단계는,
상기 보조 채널에 연결된 저항의 저항열을 이용하여 상기 버스바의 역전압을 측정하는 것을 특징으로 하는 배터리 관리 시스템의 배터리 셀 전압 측정 방법. - 제 5 항에 있어서,
상기 역전압 측정 단계는,
상기 보조 채널에 연결된 절연 샘플링 커패시터를 이용하여 상기 버스바의 역전압을 측정하는 것을 특징으로 하는 배터리 관리 시스템의 배터리 셀 전압 측정 방법. - 제 5 항에 있어서,
상기 셀 전압 산출 단계는,
상기 채널 전압에서 상기 버스바의 역전압을 차감하여 상기 버스바에 연결된 상기 배터리 셀의 전압을 산출하는 것을 특징으로 하는 배터리 관리 시스템의 배터리 셀 전압 측정 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020200176495A KR20220086231A (ko) | 2020-12-16 | 2020-12-16 | 배터리 관리 시스템 및 그것의 배터리 셀 전압 측정 방법 |
US17/519,936 US11933853B2 (en) | 2020-12-16 | 2021-11-05 | Battery management system and battery cell voltage measurement method |
US18/440,144 US12153094B2 (en) | 2020-12-16 | 2024-02-13 | Battery management system and battery cell voltage measurement method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020200176495A KR20220086231A (ko) | 2020-12-16 | 2020-12-16 | 배터리 관리 시스템 및 그것의 배터리 셀 전압 측정 방법 |
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KR20220086231A true KR20220086231A (ko) | 2022-06-23 |
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KR1020200176495A Ceased KR20220086231A (ko) | 2020-12-16 | 2020-12-16 | 배터리 관리 시스템 및 그것의 배터리 셀 전압 측정 방법 |
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US (2) | US11933853B2 (ko) |
KR (1) | KR20220086231A (ko) |
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WO2023228057A1 (en) * | 2022-05-24 | 2023-11-30 | Sensata Technologies, Inc. | Isolation monitoring |
CN118200181B (zh) * | 2024-03-21 | 2025-02-07 | 深圳市新威尔电子有限公司 | Can通讯辅助通道数据传输方法 |
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KR20200029305A (ko) | 2018-09-10 | 2020-03-18 | 주식회사 엘지화학 | 배터리 관리 장치 |
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WO2011028703A2 (en) * | 2009-09-01 | 2011-03-10 | Boston-Power, Inc. | Safety and performance optimized controls for large scale electric vehicle battery systems |
US9268000B2 (en) * | 2013-03-14 | 2016-02-23 | Liebert Corporation | System and method for improved accuracy in battery resistance measurement systems |
JP6278240B2 (ja) * | 2013-08-12 | 2018-02-14 | 株式会社Gsユアサ | 蓄電素子管理装置、蓄電装置、蓄電システムおよび蓄電素子管理方法 |
KR102399722B1 (ko) * | 2014-12-29 | 2022-05-19 | 삼성전자주식회사 | 전류 추정 방법 및 장치 |
KR20160123173A (ko) * | 2015-04-15 | 2016-10-25 | 삼성전자주식회사 | 부스바의 연결 상태 판단 장치 및 방법 |
KR102398245B1 (ko) * | 2017-02-06 | 2022-05-13 | 에스케이온 주식회사 | 배터리 팩 및 상기 배터리 팩을 사용한 버스바 개방 여부 감지 방법 |
KR102030823B1 (ko) | 2017-09-29 | 2019-10-10 | 현대오트론 주식회사 | 배터리 관리 시스템 및 그것의 동작 방법 |
US11104242B2 (en) * | 2019-10-01 | 2021-08-31 | Ford Global Technologies, Llc | Bus bar resistance identification via AC signal injection and battery control therefrom |
US20230085882A1 (en) * | 2021-09-21 | 2023-03-23 | Texas Instruments Incorporated | Busbar bypass for battery monitors |
-
2020
- 2020-12-16 KR KR1020200176495A patent/KR20220086231A/ko not_active Ceased
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2021
- 2021-11-05 US US17/519,936 patent/US11933853B2/en active Active
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2024
- 2024-02-13 US US18/440,144 patent/US12153094B2/en active Active
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KR20200029305A (ko) | 2018-09-10 | 2020-03-18 | 주식회사 엘지화학 | 배터리 관리 장치 |
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US12153094B2 (en) | 2024-11-26 |
US11933853B2 (en) | 2024-03-19 |
US20220187381A1 (en) | 2022-06-16 |
US20240183908A1 (en) | 2024-06-06 |
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