JP2012034529A - 二次電池パック接続制御方法、蓄電システム、および二次電池パック - Google Patents
二次電池パック接続制御方法、蓄電システム、および二次電池パック Download PDFInfo
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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- H—ELECTRICITY
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- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- 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
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- H02J7/0025—Sequential battery discharge in systems with a plurality of batteries
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- 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
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
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- B60L2240/00—Control parameters of input or output; Target 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
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- B60L2240/549—Current
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Abstract
【解決手段】蓄電システムは複数の二次電池パックと上位装置とを有している。二次電池パックは、二次電池と、二次電池への充電経路をオンオフする充電スイッチ手段と、二次電池からの放電経路をオンオフする放電スイッチ手段と、二次電池を、電流を一定値以下に制限しつつ放電させる電流制限手段とをそれぞれに有する。上位装置は、システムの入出力に接続する二次電池パックを第2の二次電池パックから、第2の二次電池パックよりも電圧の高い第1の二次電池パックへ切り替えるとき、第1の二次電池パックの電流制限手段に電流を制限しながら放電を行わせた状態で、第2の二次電池パックの充電スイッチ手段に充電経路をオフさせる。
【選択図】図1
Description
新たに接続すべき第1の二次電池パックから電流を制限しつつ放電を開始し、
切り離すべき、前記第1の二次電池パックよりも電圧の低い第2の二次電池パックの充電経路をオフするものである。
二次電池と、該二次電池への充電経路をオンオフする充電スイッチ手段と、該二次電池からの放電経路をオンオフする放電スイッチ手段と、該二次電池を、電流を一定値以下に制限しつつ放電させる電流制限手段とをそれぞれに有する複数の二次電池パックと、
システムの入出力に接続する二次電池パックを第2の二次電池パックから、第2の二次電池パックよりも電圧の高い第1の二次電池パックへ切り替えるとき、前記第1の二次電池パックの電流制限手段に電流を制限しながら放電を行わせた状態で、前記第2の二次電池パックの充電スイッチ手段に充電経路をオフさせる上位装置と、
を有している。
二次電池と、
該二次電池への充電経路をオンオフする充電スイッチ手段と、
該二次電池からの放電経路をオンオフする放電スイッチ手段と、
該二次電池を、電流を一定値以下に制限しつつ放電させる電流制限手段と、
与えられた指示に従って前記充電スイッチ手段、放電スイッチ手段、および電流制限手段を制御する制御部と、を有している。
11 二次電池ブロック
12 制御ブロック
13 絶縁通信部
14 上位システム
15 二次電池パック
15a 低電圧パック
15b 高電圧パック
16 電池検出部
17 放電スイッチ
18 充電スイッチ
19 制御部
20 電流検出部
21 定電流回路
Claims (11)
- 複数の二次電池パックを備えた蓄電システムにおいて二次電池パックのシステムの入出力への接続を制御するための二次電池パック接続制御方法であって、
新たに接続すべき第1の二次電池パックから電流を制限しつつ放電を開始し、
切り離すべき、前記第1の二次電池よりも電圧の低い第2の二次電池パックの充電経路をオフする、二次電池パック接続制御方法。 - 前記第2の二次電池パックの充電経路をオフすると同時に前記第1の二次電池パックの放電経路をオンし、
前記第2の二次電池パックの放電経路をオフする、請求項1に記載の二次電池パック接続制御方法。 - 二次電池と、該二次電池への充電経路をオンオフする充電スイッチ手段と、該二次電池からの放電経路をオンオフする放電スイッチ手段と、該二次電池を、電流を一定値以下に制限しつつ放電させる電流制限手段とをそれぞれに有する複数の二次電池パックと、
システムの入出力に接続する二次電池パックを第2の二次電池パックから、該第2の二次電池パックよりも電圧の高い第1の二次電池パックへ切り替えるとき、前記第1の二次電池パックの電流制限手段に電流を制限しながら放電を行わせた状態で、前記第2の二次電池パックの充電スイッチ手段に充電経路をオフさせる上位装置と、
を有する蓄電システム。 - 前記上位装置は、前記第2の二次電池パックの充電スイッチ手段に充電経路をオフさせると同時に前記第1の二次電池パックの放電スイッチ手段に放電経路をオンさせ、次に、前記第2の二次電池パックの放電手段に放電経路をオフさせ、前記第1の二次電池パックの前記電流制限手段に放電を停止させる、請求項3に記載の蓄電システム。
- 二次電池と、
該二次電池への充電経路をオンオフする充電スイッチ手段と、
該二次電池からの放電経路をオンオフする放電スイッチ手段と、
該二次電池を、電流を一定値以下に制限しつつ放電させる電流制限手段と、
与えられた指示に従って前記充電スイッチ手段、放電スイッチ手段、および電流制限手段を制御する制御部と、を有する二次電池パック。 - 前記電流制限手段は、前記放電スイッチ手段による放電経路と並列に接続された定電流回路である、請求項5に記載の二次電池パック。
- 前記定電流回路はバイポーラ型トランジスタによるカレントミラー回路である、請求項6に記載の二次電池パック。
- 前記定電流回路はIGBT回路で構成されている、請求項6に記載の二次電池パック。
- 前記充電スイッチ手段および前記放電スイッチ手段はいずれもMOS型トランジスタで構成され、互いに直列に接続されている、請求項5から8のいずれか一項に記載の二次電池パック。
- 前記充電スイッチ手段および前記放電スイッチ手段はいずれもバイポーラ型トランジスタで構成され、互いに並列に接続されている、請求項5から8のいずれか一項に記載の二次電池パック。
- 前記放電スイッチ手段はリレー回路で構成されている、請求項5から8のいずれか一項に記載の二次電池パック。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010173463A JP5618359B2 (ja) | 2010-08-02 | 2010-08-02 | 二次電池パック接続制御方法、および、蓄電システム |
CN2011800379898A CN103026579A (zh) | 2010-08-02 | 2011-05-30 | 二次电池组连接控制方法、电力存储系统和二次电池组 |
PCT/JP2011/062379 WO2012017728A1 (ja) | 2010-08-02 | 2011-05-30 | 二次電池パック接続制御方法、蓄電システム、および二次電池パック |
US13/811,720 US9325190B2 (en) | 2010-08-02 | 2011-05-30 | Power storage system having current limiting means to control multiple parallel connected battery packs |
EP11814358.5A EP2602904B1 (en) | 2010-08-02 | 2011-05-30 | Secondary battery pack connection control method, power storage system, and secondary battery pack |
US15/070,856 US9819201B2 (en) | 2010-08-02 | 2016-03-15 | Secondary battery pack connection control method for controlling connection of input and output terminals in power storage system comprising plurality of secondary battery packs |
Applications Claiming Priority (1)
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US9819201B2 (en) | 2017-11-14 |
EP2602904B1 (en) | 2020-03-25 |
US20160197497A1 (en) | 2016-07-07 |
JP5618359B2 (ja) | 2014-11-05 |
EP2602904A1 (en) | 2013-06-12 |
CN103026579A (zh) | 2013-04-03 |
US20130119934A1 (en) | 2013-05-16 |
WO2012017728A1 (ja) | 2012-02-09 |
US9325190B2 (en) | 2016-04-26 |
EP2602904A4 (en) | 2016-07-20 |
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