KR102357373B1 - 배터리 시스템 - Google Patents
배터리 시스템 Download PDFInfo
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- KR102357373B1 KR102357373B1 KR1020200027898A KR20200027898A KR102357373B1 KR 102357373 B1 KR102357373 B1 KR 102357373B1 KR 1020200027898 A KR1020200027898 A KR 1020200027898A KR 20200027898 A KR20200027898 A KR 20200027898A KR 102357373 B1 KR102357373 B1 KR 102357373B1
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- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
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- 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
- B60L58/22—Balancing the charge of battery modules
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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
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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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]
- G01R31/371—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
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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
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
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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
- 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
- H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
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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
- 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
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
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- 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
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
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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
- B60L2250/00—Driver interactions
- B60L2250/16—Driver interactions by display
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- 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
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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
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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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
- 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
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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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- 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
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- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
도 1은 본 발명의 일 실시예에 따른 배터리 시스템의 구성을 개략적으로 나타낸 도면이다.
도 2 및 도 3은 본 발명의 다른 실시예에 따라, 도 1의 배터리 시스템에 구비된 버스바 내의 개방 회로 상태를 판정하기 위한 방법의 순서도이다.
24, 26: 배터리 셀
28: 버스바
31, 33: 셀 밸런싱 회로
41, 42, 43, 44: 센스 라인
60: 집적 회로
62: 마이크로컨트롤러
64: 차량 컨트롤러
66: 디스플레이 장치
Claims (10)
- 배터리 시스템에 있어서,
제1 및 제2 센스 라인과 제1 배터리 셀의 제1 및 제2 전기 단자에 전기적으로 결합되고, 상기 제1 배터리 셀에 병렬로 전기적으로 결합되는 제1 트랜지스터를 가지는 제1 셀 밸런싱 회로;
제3 및 제4 센스 라인과 제2 배터리 셀의 제1 및 제2 전기 단자에 전기적으로 결합되고, 상기 제2 배터리 셀에 병렬로 전기적으로 결합되는 제2 트랜지스터를 가지는 제2 셀 밸런싱 회로;
상기 제1 배터리 셀의 상기 제2 전기 단자와 상기 제2 배터리 셀의 상기 제1 전기 단자 간에 전기적으로 결합되는 버스바;
상기 제2 및 제3 센스 라인에 전기적으로 결합되는 제1 제너 다이오드;
상기 제1 및 제2 센스 라인에 전기적으로 결합되는 제2 제너 다이오드;
상기 제3 및 제4 센스 라인에 전기적으로 결합되는 제3 제너 다이오드;
상기 제1 및 제2 셀 밸런싱 회로 각각이 턴 오프되도록, 상기 제1 및 제2 트랜지스터 각각에게 개방 동작 상태로 전환할 것을 명령하는 마이크로컨트롤러; 및
상기 제1 내지 제4 센스 라인과 상기 마이크로컨트롤러에 전기적으로 결합되고, 상기 제1 및 제2 셀 밸런싱 회로가 턴 오프되어 있는 동안, 상기 제2 및 제3 센스 라인 간의 제1 전압을 측정하고, 상기 제1 전압을 기초로 전압값을 결정하며, 또한 상기 제1 및 제2 센스 라인 간의 전압값을 상기 제1 배터리 셀의 전압값으로서 상기 마이크로컨트롤러에 전송하고, 상기 제3 및 제4 센스 라인 간의 전압값을 상기 제2 배터리 셀의 전압값으로서 상기 마이크로컨트롤러에 전송하는 집적 회로를 포함하되,
상기 버스바의 제1 엔드는 상기 제2 센스 라인에 전기적으로 결합되고,
상기 버스바의 제2 엔드는 상기 제3 센스 라인에 전기적으로 결합되고,
상기 제1 배터리 셀의 상기 제2 전기 단자는, 상기 제2 센스 라인에 직렬로 전기적으로 결합되고,
상기 제2 배터리 셀의 상기 제1 전기 단자는, 상기 제3 센스 라인에 직렬로 전기적으로 결합되고,
상기 마이크로컨트롤러는, 상기 제1 전압을 기초로 한 전압값을 수신하고, 상기 제1 전압을 기초로 한 전압값이 임계 전압값보다 큰 경우, 상기 버스바 내에 개방 회로 상태가 존재하는 것으로 판정하는 배터리 시스템.
- 삭제
- 삭제
- 제1항에 있어서,
상기 마이크로컨트롤러는, 상기 집적 회로에게 제1 명령 메시지를 전송하여, 상기 제1 트랜지스터에게 상기 개방 동작 상태로 전환할 것을 명령하고,
상기 집적 회로는, 상기 제1 명령 메시지에 응답하여, 상기 제1 트랜지스터가 상기 개방 동작 상태로 전환하도록 유도하는 제1 제어 신호를 출력하는 배터리 시스템.
- 제4항에 있어서,
상기 마이크로컨트롤러는, 상기 집적 회로에게 제2 명령 메시지를 전송하여, 상기 제2 트랜지스터에게 상기 개방 동작 상태로 전환할 것을 명령하고,
상기 집적 회로는, 상기 제2 명령 메시지에 응답하여, 상기 제2 트랜지스터가 상기 개방 동작 상태로 전환하도록 유도하는 제2 제어 신호를 출력하는 배터리 시스템.
- 삭제
- 삭제
- 제1항에 있어서,
상기 임계 전압값은, 500 mV부터 1500 mV까지의 범위 내인 배터리 시스템.
- 제1항에 있어서,
상기 마이크로컨트롤러는, 상기 버스바 내에 상기 개방 회로 상태가 존재함을 나타내는 진단 코드를 차량 컨트롤러에게 출력하는 배터리 시스템.
- 제9항에 있어서,
상기 차량 컨트롤러는, 디스플레이 장치가 상기 진단 코드를 표시하도록 유도하는 제어 메시지를 생성하는 배터리 시스템.
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US16/352,095 US10978751B2 (en) | 2019-03-13 | 2019-03-13 | Battery system |
US16/352,095 | 2019-03-13 |
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KR20200110615A KR20200110615A (ko) | 2020-09-24 |
KR102357373B1 true KR102357373B1 (ko) | 2022-01-27 |
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KR102361334B1 (ko) * | 2018-05-09 | 2022-02-09 | 주식회사 엘지에너지솔루션 | 배터리 제어 장치 및 이를 포함하는 에너지 저장 시스템 |
US11418041B2 (en) * | 2019-03-15 | 2022-08-16 | Lg Energy Solution, Ltd. | Battery system |
CN112918326B (zh) * | 2020-12-28 | 2023-02-28 | 中国第一汽车股份有限公司 | 一种电池管理系统、方法、车辆及介质 |
GB2619290A (en) * | 2022-05-29 | 2023-12-06 | Dukosi Ltd | Battery management system and monitoring devices |
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US8896315B1 (en) * | 2009-02-12 | 2014-11-25 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Battery cell balancing system and method |
US8570047B1 (en) * | 2009-02-12 | 2013-10-29 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Battery fault detection with saturating transformers |
KR101310733B1 (ko) | 2011-01-07 | 2013-09-24 | 주식회사 엘지화학 | 배터리 팩 관리 장치 및 방법 |
KR20140055065A (ko) | 2012-10-30 | 2014-05-09 | 주식회사 엘지화학 | 배터리 팩 관리 장치 및 방법 |
US9450274B2 (en) * | 2013-03-15 | 2016-09-20 | Design Flux Technologies, Llc | Method and apparatus for creating a dynamically reconfigurable energy storage device |
KR101655377B1 (ko) | 2014-12-05 | 2016-09-07 | 현대오트론 주식회사 | 배터리 버스바의 고장 진단 장치 및 방법 |
US9893385B1 (en) * | 2015-04-23 | 2018-02-13 | Ambri Inc. | Battery management systems for energy storage devices |
US9876369B2 (en) * | 2016-03-15 | 2018-01-23 | Lg Chem, Ltd. | Battery system and method for determining an open circuit fault condition in a battery module |
US10063068B1 (en) * | 2017-04-11 | 2018-08-28 | Lg Chem, Ltd. | Battery system |
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KR20200110615A (ko) | 2020-09-24 |
US10978751B2 (en) | 2021-04-13 |
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