JP6970136B2 - 電池制御ユニット及び電池システム - Google Patents
電池制御ユニット及び電池システム Download PDFInfo
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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
-
- 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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/13—Maintaining the SoC within a determined range
-
- 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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/14—Preventing excessive discharging
-
- 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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/15—Preventing overcharging
-
- 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
-
- 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
-
- 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
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- 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
- H02J7/0013—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
-
- 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
- H02J7/0025—Sequential battery discharge in systems with a plurality of batteries
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Description
[1]
直列に配置された複数の電池毎に設けられ、対応する前記電池が他の前記電池と直列接続された接続状態と、対応する前記電池が他の前記電池との直列接続から切り離された非接続状態と、に切り替える切替部と、
充電時に充電終止電圧、又は、放電時に放電終止電圧に達したと判定した前記電池に対応する前記切替部を前記非接続状態に制御する制御部と、を備え、
前記制御部は、劣化が進んでいる前記電池の前記充電終止電圧が、劣化が進んでいない前記電池の前記充電終止電圧よりも低くなるように、前記充電終止電圧を変更する、又は、劣化が進んでいる前記電池の前記放電終止電圧が、劣化が進んでいない前記電池の前記放電終止電圧よりも高くなるように、前記放電終止電圧を変更し、
前記制御部は、前記複数の電池のうち前記非接続状態に切り替えられた前記電池の数に応じて前記充電終止電圧又は前記放電終止電圧を変更する、
電池制御ユニットであること。
[2]
[1]に記載の電池制御ユニットにおいて、
前記制御部は、劣化が進んでいる前記電池の前記充電終止電圧−前記放電終止電圧の範囲が、劣化が進んでいない前記電池の前記充電終止電圧−前記放電終止電圧の範囲よりも狭くなるように、前記充電終止電圧又は前記放電終止電圧を変更する、
電池制御ユニットであること。
[3]
[1]又は[2]に記載の電池制御ユニットにおいて、
前記制御部は、前記充電終止電圧及び前記放電終止電圧の双方を変更する、
電池制御ユニットであること。
[4]
複数の電池と、
[1]〜[3]何れか1に記載の電池制御ユニットと、を備えた、
電池システムであること。
[1]
直列に配置された複数の電池(2a〜2c)毎に設けられ、対応する前記電池(2a〜2c)が他の前記電池(2a〜2c)と直列接続された接続状態と、対応する前記電池(2a〜2c)が他の前記電池(2a〜2c)との直列接続から切り離された非接続状態と、に切り替える切替部(4a〜4c)と、
充電時に充電終止電圧、又は、放電時に放電終止電圧に達したと判定した前記電池(2a〜2c)に対応する前記切替部(4a〜4c)を前記非接続状態に制御する制御部(6)と、を備え、
前記制御部(6)は、劣化が進んでいる前記電池(2a〜2c)の前記充電終止電圧が、劣化が進んでいない前記電池(2a〜2c)の前記充電終止電圧よりも低くなるように、前記充電終止電圧を変更する、又は、劣化が進んでいる前記電池(2a〜2c)の前記放電終止電圧が、劣化が進んでいない前記電池(2a〜2c)の前記放電終止電圧よりも高くなるように、前記放電終止電圧を変更する、
電池制御ユニット(3)。
[2]
[1]に記載の電池制御ユニット(3)において、
前記制御部(6)は、劣化が進んでいる前記電池(2a〜2c)の前記充電終止電圧−前記放電終止電圧の範囲が、劣化が進んでいない前記電池(2a〜2c)の前記充電終止電圧−前記放電終止電圧の範囲よりも狭くなるように、前記充電終止電圧又は前記放電終止電圧を変更する、
電池制御ユニット(3)。
[3]
[1]又は[2]に記載の電池制御ユニット(3)において、
前記制御部(6)は、前記複数の電池(2a〜2c)のうち前記非接続状態に切り替えられた前記電池(2a〜2c)の数に応じて前記充電終止電圧又は前記放電終止電圧を変更する、
電池制御ユニット(3)。
[4]
[1]〜[3]何れか1に記載の電池制御ユニット(3)において、
前記制御部(6)は、前記充電終止電圧及び前記放電終止電圧の双方を変更する、
電池制御ユニット(3)。
[5]
複数の電池(2a〜2c)と、
請求項1〜4何れか1項に記載の電池制御ユニット(3)と、を備えた、
電池システム(1)。
2a〜2c 電池
3 電池制御ユニット
4a〜4c 切替部
6 制御部
Claims (4)
- 直列に配置された複数の電池毎に設けられ、対応する前記電池が他の前記電池と直列接続された接続状態と、対応する前記電池が他の前記電池との直列接続から切り離された非接続状態と、に切り替える切替部と、
充電時に充電終止電圧、又は、放電時に放電終止電圧に達したと判定した前記電池に対応する前記切替部を前記非接続状態に制御する制御部と、を備え、
前記制御部は、劣化が進んでいる前記電池の前記充電終止電圧が、劣化が進んでいない前記電池の前記充電終止電圧よりも低くなるように、前記充電終止電圧を変更する、又は、劣化が進んでいる前記電池の前記放電終止電圧が、劣化が進んでいない前記電池の前記放電終止電圧よりも高くなるように、前記放電終止電圧を変更し、
前記制御部は、前記複数の電池のうち前記非接続状態に切り替えられた前記電池の数に応じて前記充電終止電圧又は前記放電終止電圧を変更する、
電池制御ユニット。 - 請求項1に記載の電池制御ユニットにおいて、
前記制御部は、劣化が進んでいる前記電池の前記充電終止電圧−前記放電終止電圧の範囲が、劣化が進んでいない前記電池の前記充電終止電圧−前記放電終止電圧の範囲よりも狭くなるように、前記充電終止電圧又は前記放電終止電圧を変更する、
電池制御ユニット。 - 請求項1又は2に記載の電池制御ユニットにおいて、
前記制御部は、前記充電終止電圧及び前記放電終止電圧の双方を変更する、
電池制御ユニット。 - 複数の電池と、
請求項1〜3何れか1項に記載の電池制御ユニットと、を備えた、
電池システム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2019072038A JP6970136B2 (ja) | 2019-04-04 | 2019-04-04 | 電池制御ユニット及び電池システム |
CN202010122597.2A CN111791751B (zh) | 2019-04-04 | 2020-02-27 | 电池控制单元和电池系统 |
US16/808,368 US11277012B2 (en) | 2019-04-04 | 2020-03-04 | Battery control unit and battery system |
DE102020202770.6A DE102020202770A1 (de) | 2019-04-04 | 2020-03-04 | Batteriesteuereinheit und Batteriesystem |
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JP2019072038A JP6970136B2 (ja) | 2019-04-04 | 2019-04-04 | 電池制御ユニット及び電池システム |
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JP6970136B2 true JP6970136B2 (ja) | 2021-11-24 |
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JP (1) | JP6970136B2 (ja) |
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JP7096193B2 (ja) * | 2019-04-04 | 2022-07-05 | 矢崎総業株式会社 | 電池制御ユニット及び電池システム |
US11722026B2 (en) | 2019-04-23 | 2023-08-08 | Dpm Technologies Inc. | Fault tolerant rotating electric machine |
JP7100002B2 (ja) * | 2019-09-10 | 2022-07-12 | 矢崎総業株式会社 | 電池制御ユニットおよび電池システム |
JP7051776B2 (ja) * | 2019-09-30 | 2022-04-11 | 矢崎総業株式会社 | 電池制御ユニットおよび電池システム |
CN112272908B (zh) * | 2019-10-21 | 2024-04-09 | 宁德新能源科技有限公司 | 充电方法、电子装置以及存储介质 |
JP7395532B2 (ja) * | 2021-03-15 | 2023-12-11 | 矢崎総業株式会社 | 蓄電池制御装置、蓄電システム、及び蓄電池制御方法 |
US11897362B2 (en) * | 2021-05-04 | 2024-02-13 | Exro Technologies Inc. | Systems and methods for individual control of a plurality of controllable units of battery cells |
JP2024518405A (ja) | 2021-05-13 | 2024-05-01 | エクスロ テクノロジーズ インク. | 多相電気機械のコイルを駆動する方法及び装置 |
WO2023279196A1 (en) | 2021-07-08 | 2023-01-12 | Exro Technologies Inc. | Dynamically reconfigurable power converter utilizing windings of electrical machine |
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JP3419115B2 (ja) * | 1994-11-11 | 2003-06-23 | 日産自動車株式会社 | 組電池の充放電保護装置 |
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