JP2015121444A - 蓄電システム - Google Patents
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- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
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- 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]
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- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
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- H—ELECTRICITY
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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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
- 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
- B60L2240/545—Temperature
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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
- 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
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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
- 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
- B60L2240/549—Current
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/80—Time limits
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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
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/44—Control modes by parameter estimation
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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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
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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
- 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]
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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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
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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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- 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
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- 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
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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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
【解決手段】所定電力での外部充電を開始してからの経過時間が所定時間以上であるとき、外部充電を一時的に停止した状態で第1の電圧値を検出する。外部充電を再開して再び停止したときには、第2の電圧値を検出する。第1の電圧値に対応する変化率と、第2の電圧値に対応する変化率との差が許容値以下であるとき、第1の電圧値に対応する第1SOCと、第2の電圧値に対応する第2SOCとの間の変化量と、外部充電を再開してから再び停止するまでの電流値の積算値とから満充電容量を算出する。第1の電圧値および第2の電圧値からそれぞれ算出されるSOCの差を示す変化量は、OCVから算出されるSOCの変化量と略等しくなる。このため、第1の電圧値および第2の電圧値から満充電容量を算出しても、満充電容量の算出精度を確保できる。
【選択図】図4
Description
23:温度センサ、24:インバータ、25:モータ・ジェネレータ、26:充電器、
27:インレット、28:プラグ、29:交流電源(外部電源)、30:コントローラ、
31:メモリ、32:タイマ、SMR−B,SMR−G:システムメインリレー、
PL:正極ライン、NL:負極ライン、CHL1,CHL2:充電ライン、
CHR−B,CHR−G:充電リレー
Claims (7)
- 外部電源からの電力を用いた充電が行われる蓄電装置と、
前記蓄電装置の電圧値を検出する電圧センサと、
前記蓄電装置の電流値を検出する電流センサと、
前記蓄電装置の満充電容量を算出するコントローラと、を有し、
前記コントローラは、
所定電力での前記充電を開始してからの経過時間が、前記充電時の分極に伴う電圧変化量が収束するまでの所定時間以上であるとき、前記充電を一時的に停止した状態において、前記電圧センサによって第1の前記電圧値を検出し、
前記第1の電圧値をOCVとみなし、前記蓄電装置のOCVおよびSOCの対応関係を用いて、前記第1の電圧値に対応する第1SOCを算出し、
前記充電を一時的に停止した後に前記所定電力での前記充電を再開し、前記充電を再び停止したときに、前記電圧センサによって第2の前記電圧値を検出し、
前記第2の電圧値をOCVとみなし、前記対応関係を用いて、前記第2の電圧値に対応する第2SOCを算出し、
前記対応関係から特定され、前記SOCの変化量に対する前記OCVの変化量の割合を示す変化率に関して、前記第1の電圧値に対応する前記変化率と、前記第2の電圧値に対応する前記変化率との差が許容値以下であるとき、前記充電を再開してから停止するまでの前記電流値の積算値と、前記第1SOCおよび前記第2SOCの間の変化量とから前記満充電容量を算出する、
ことを特徴とする蓄電システム。 - 前記蓄電装置の温度を検出する温度センサを有しており、
前記コントローラは、前記所定電力での前記充電を開始したときの前記温度が高いほど、前記所定時間を短くすることを特徴とする請求項1に記載の蓄電システム。 - 前記コントローラは、前記所定電力が低いほど、前記所定時間を短くすることを特徴とする請求項1又は2に記載の蓄電システム。
- 前記コントローラは、前記蓄電装置の充放電を停止した状態から前記所定電力での前記充電を開始するとき、前記蓄電装置の充放電を停止している時間が長いほど、前記所定時間を短くすることを特徴とする請求項1から3のいずれか1つに記載の蓄電システム。
- 前記蓄電装置の温度を検出する温度センサを有しており、
前記コントローラは、前記蓄電装置の充放電を停止した状態から前記所定電力での前記充電を開始するとき、前記蓄電装置の充放電を停止しているときの前記温度が高いほど、前記所定時間を短くすることを特徴とする請求項1から4のいずれか1つに記載の蓄電システム。 - 前記コントローラは、
前記電流センサのオフセット値を取得するときに前記充電を一時的に停止し、
前記充電を一時的に停止しているとき、前記経過時間が前記所定時間以上であることに応じて、前記電圧センサによって前記第1の電圧値を検出することを特徴とする請求項1から5のいずれか1つに記載の蓄電システム。 - 前記コントローラは、前記充電を終了したとき、又は、前記電流センサのオフセット値を取得するために前記充電を一時的に停止したとき、前記電圧センサによって前記第2の電圧値を検出することを特徴とする請求項1から5のいずれか1つに記載の蓄電システム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2013264661A JP6160473B2 (ja) | 2013-12-20 | 2013-12-20 | 蓄電システム |
PCT/IB2014/002797 WO2015092521A1 (en) | 2013-12-20 | 2014-12-17 | Electrical storage system |
US15/104,402 US10286806B2 (en) | 2013-12-20 | 2014-12-17 | Electrical storage system |
CN201480069462.7A CN106030893B (zh) | 2013-12-20 | 2014-12-17 | 蓄电系统 |
DE112014005924.2T DE112014005924B4 (de) | 2013-12-20 | 2014-12-17 | Elektrisches Speichersystem |
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JP2013264661A JP6160473B2 (ja) | 2013-12-20 | 2013-12-20 | 蓄電システム |
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JP2015121444A true JP2015121444A (ja) | 2015-07-02 |
JP6160473B2 JP6160473B2 (ja) | 2017-07-12 |
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US (1) | US10286806B2 (ja) |
JP (1) | JP6160473B2 (ja) |
CN (1) | CN106030893B (ja) |
DE (1) | DE112014005924B4 (ja) |
WO (1) | WO2015092521A1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017062175A (ja) * | 2015-09-25 | 2017-03-30 | トヨタ自動車株式会社 | 電動車両 |
EP3410138A1 (en) | 2017-04-27 | 2018-12-05 | Toyota Jidosha Kabushiki Kaisha | Battery system in vehicle and aging deterioration estimation method for battery |
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US20160318417A1 (en) | 2016-11-03 |
US10286806B2 (en) | 2019-05-14 |
DE112014005924B4 (de) | 2024-03-14 |
CN106030893B (zh) | 2018-07-13 |
DE112014005924T5 (de) | 2016-09-22 |
CN106030893A (zh) | 2016-10-12 |
WO2015092521A1 (en) | 2015-06-25 |
JP6160473B2 (ja) | 2017-07-12 |
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