JP7199021B2 - 管理装置、蓄電システム - Google Patents
管理装置、蓄電システム Download PDFInfo
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- JP7199021B2 JP7199021B2 JP2020505679A JP2020505679A JP7199021B2 JP 7199021 B2 JP7199021 B2 JP 7199021B2 JP 2020505679 A JP2020505679 A JP 2020505679A JP 2020505679 A JP2020505679 A JP 2020505679A JP 7199021 B2 JP7199021 B2 JP 7199021B2
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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
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
-
- 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
- B60L58/22—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
- G01R31/36—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
-
- 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
- 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
-
- 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
-
- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- 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
-
- 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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
-
- 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
-
- 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
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Description
直列接続された複数のセル(E1-Em)のそれぞれの電圧を検出する電圧検出部(12)と、
前記複数のセル(E1-Em)に、それぞれ並列に接続される複数の放電回路(11)と、
前記電圧検出部(12)により検出された前記複数のセル(E1-Em)の電圧をもとに、前記複数の放電回路(11)の放電時間を制御することにより、前記複数のセル(E1-Em)の電圧/容量を目標値に揃えるように制御する制御部(15)と、を備え、
前記制御部(15)は、前記複数のセル(E1-Em)の電圧の所定期間における変化量が大きいほど、前記目標値を高く設定することを特徴とする管理装置(10)。
これによれば、十分な休止時間が取れない複数のセル(E1-Em)間においても着実に均等化処理を実行することができる。
[項目2]
前記変化量がゼロのとき、前記制御部(15)は、前記複数のセル(E1-Em)の電圧の内、最も電圧が低いセルの電圧を前記目標値に設定することを特徴とする項目1に記載の管理装置(10)。
これによれば、前記変化量がゼロになると、通常の均等化処理に戻すことができる。
[項目3]
前記変化量がゼロのとき、前記制御部(15)は、前記複数のセル(E1-Em)の充電可能容量の内、最も充電可能容量が大きいセルの充電可能容量を前記目標値に設定することを特徴とする項目1に記載の管理装置(10)。
これによれば、前記変化量がゼロになると、通常の均等化処理に戻すことができる。
[項目4]
前記制御部(15)は、前記複数のセル(E1-Em)の休止期間中に、前記電圧検出部(12)に定期的に前記複数のセル(E1-Em)の電圧を検出させ、前回検出した前記複数のセル(E1-Em)の電圧と今回検出した前記複数のセル(E1-Em)の電圧との変化量を算出し、当該変化量に応じた目標値にもとづき前記複数のセル(E1-Em)間の均等化処理を実行することを特徴とする項目1から3のいずれか1項に記載の管理装置(10)。
これによれば、複数のセル(E1-Em)の休止期間中において、検出電圧が過電圧成分を含まないOCVに収束する前の状態から、着実に均等化処理を実行することができる。
[項目5]
直列接続された複数のセル(E1-Em)と、
前記複数のセル(E1-Em)を管理する項目1から4のいずれか1項に記載の管理装置(10)と、
を備えることを特徴とする蓄電システム(1)。
これによれば、十分な休止時間が取れない複数のセル(E1-Em)間においても着実に均等化処理を実行することができる蓄電システム(1)を構築することができる。
[項目6]
前記蓄電システム(1)は、車両に搭載され、
前記車両の駐車時において前記管理装置(10)は定期的に起動し、前記電圧検出部(12)に前記複数のセル(E1-Em)の電圧を検出させることを特徴とする項目5に記載の蓄電システム(1)。
これによれば、車両の駐車時において管理装置(10)をシャットダウン/スタンバイさせることができ、管理装置(10)の消費電力を低減することができる。
Claims (6)
- 直列接続された複数のセルのそれぞれの電圧を検出する電圧検出部と、
前記複数のセルに、それぞれ並列に接続される複数の放電回路と、
前記電圧検出部により検出された前記複数のセルの電圧をもとに、前記複数の放電回路の放電時間を制御することにより、前記複数のセルの電圧/容量を目標値に揃えるように制御する制御部と、を備え、
前記制御部は、前記複数のセルの電圧の所定期間における変化量が大きいほど、前記目標値を高く設定することを特徴とする管理装置。 - 前記変化量がゼロのとき、前記制御部は、前記複数のセルの電圧の内、最も電圧が低いセルの電圧を前記目標値に設定することを特徴とする請求項1に記載の管理装置。
- 前記変化量がゼロのとき、前記制御部は、前記複数のセルの充電可能容量の内、最も充電可能容量が大きいセルの充電可能容量を前記目標値に設定することを特徴とする請求項1に記載の管理装置。
- 前記制御部は、前記複数のセルの休止期間中に、前記電圧検出部に定期的に前記複数のセルの電圧を検出させ、前回検出した前記複数のセルの電圧と今回検出した前記複数のセルの電圧との変化量を算出し、当該変化量に応じた目標値にもとづき前記複数のセル間の均等化処理を実行することを特徴とする請求項1から3のいずれか1項に記載の管理装置。
- 直列接続された複数のセルと、
前記複数のセルを管理する請求項1から4のいずれか1項に記載の管理装置と、
を備えることを特徴とする蓄電システム。 - 前記蓄電システムは、車両に搭載され、
前記車両の駐車時において前記管理装置は定期的に起動し、前記電圧検出部に前記複数のセルの電圧を検出させることを特徴とする請求項5に記載の蓄電システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2018045899 | 2018-03-13 | ||
JP2018045899 | 2018-03-13 | ||
PCT/JP2019/004525 WO2019176395A1 (ja) | 2018-03-13 | 2019-02-08 | 管理装置、蓄電システム |
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JPWO2019176395A1 JPWO2019176395A1 (ja) | 2021-04-01 |
JP7199021B2 true JP7199021B2 (ja) | 2023-01-05 |
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US (1) | US11277011B2 (ja) |
JP (1) | JP7199021B2 (ja) |
CN (1) | CN111742461A (ja) |
WO (1) | WO2019176395A1 (ja) |
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CN111628544B (zh) * | 2020-05-29 | 2023-09-29 | 西北工业大学 | 一种动力电池组系统的高精度均衡方法 |
KR20220100466A (ko) | 2021-01-08 | 2022-07-15 | 주식회사 엘지에너지솔루션 | 배터리 관리 장치 및 그것의 동작 방법 |
EP4315556A1 (en) * | 2021-05-04 | 2024-02-07 | Exro Technologies Inc. | Battery control systems and methods |
WO2022236424A1 (en) | 2021-05-13 | 2022-11-17 | Exro Technologies Inc. | Method and appartus to drive coils of a multiphase electric machine |
JP2023027917A (ja) * | 2021-08-18 | 2023-03-03 | トヨタ自動車株式会社 | バッテリ管理装置および方法 |
CN114301143B (zh) * | 2022-01-06 | 2024-04-05 | 南京工程学院 | 一种基于物联网的电池组电量均衡系统 |
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2019
- 2019-02-08 WO PCT/JP2019/004525 patent/WO2019176395A1/ja active Application Filing
- 2019-02-08 CN CN201980014258.8A patent/CN111742461A/zh active Pending
- 2019-02-08 US US16/961,656 patent/US11277011B2/en active Active
- 2019-02-08 JP JP2020505679A patent/JP7199021B2/ja active Active
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US11277011B2 (en) | 2022-03-15 |
WO2019176395A1 (ja) | 2019-09-19 |
US20200403420A1 (en) | 2020-12-24 |
JPWO2019176395A1 (ja) | 2021-04-01 |
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