JPWO2012132985A1 - 蓄電システム及び二次電池制御方法 - Google Patents
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- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
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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
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- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
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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
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- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
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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
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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
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- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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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
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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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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Abstract
Description
前記複数の二次電池パックのうち一部の二次電池パックが放電している状態において、放電していない放電追加二次電池パックを、放電中である放電中二次電池パックと並列に接続して放電する場合、前記放電追加二次電池パックと前記放電中二次電池パックの端子間電圧が一致する放電開始タイミングを予測し、該放電開始タイミングで前記放電追加二次電池パックに放電を開始させる上位制御部と、
を有する。
コンピュータが、
前記複数の二次電池パックのうち一部の二次電池パックが放電している状態において、放電していない放電追加二次電池パックを、放電中である放電中二次電池パックと並列に接続して放電する場合、前記放電追加二次電池パックと前記放電中二次電池パックの端子間電圧が一致する放電開始タイミングを予測し、
該放電開始タイミングで前記放電追加二次電池パックに放電を開始させる方法である。
例えばCPU、メモリ、各種の論理回路等を備えた、周知の情報処理装置(コンピュータあるいは情報処理用のIC)で実現できる。その場合、上位制御部11は、不図示の記録媒体に記録されたプログラムにしたがって処理を実行することで、後述する本発明の蓄電システムとしての動作を実現する。記録媒体は、磁気ディスク、光ディスク、半導体メモリ等、周知のどのようなものでもよい。
Claims (10)
- 複数の二次電池パックと、
前記複数の二次電池パックのうち一部の二次電池パックが放電している状態において、放電していない放電追加二次電池パックを、放電中である放電中二次電池パックと並列に接続して放電する場合、前記放電追加二次電池パックと前記放電中二次電池パックの端子間電圧が一致する放電開始タイミングを予測し、該放電開始タイミングで前記放電追加二次電池パックに放電を開始させる上位制御部と、
を有する蓄電システム。 - 前記二次電池パックは、
該二次電池パックの端子間電圧を測定する電池検出部と、
前記二次電池パックの放電電流及び充電電流を測定する電流検出部と、
をさらに有し、
前記上位制御部は、
前記電池検出部で測定される前記放電中二次電池パックの端子間電圧の変化と前記電流検出部で測定される放電電流とに基づいて該放電中二次電池パックのインピーダンスの変化を予測し、該放電中二次電池パックのインピーダンスが予め測定された前記放電追加二次電池パックのインピーダンスと一致するときを前記放電開始タイミングとする請求項1記載の蓄電システム。 - 前記上位制御部は、
前記二次電池パックが備える、二次電池の内部インピーダンスを除く、外部インピーダンスの値を予め保持しており、前記放電中二次電池パックの放電中の端子間電圧に基づいて、該放電中二次電池パックの二次電池の内部インピーダンスを算出し、前記外部インピーダンスと前記内部インピーダンスの和を前記二次電池パックの前記インピーダンスとする請求項2記載の蓄電システム。 - 前記上位制御部は、
前記放電開始タイミングまでの時間である放電待機時間または前記放電開始タイミングまでに放電する電力量を算出し、該放電待機時間が経過したとき、または該電力量が放電されたとき、前記放電開始タイミングであると判定する請求項1から3のいずれか1項記載の蓄電システム。 - 前記上位制御部は、
前記放電開始タイミングまでの時間である放電待機時間と、該放電開始タイミングにおける前記放電中二次電池パックの端子間電圧である放電開始電圧とを算出し、前記放電待機時間に対して予め設定した所定時間前に、前記放電中二次電池パックの端子間電圧が該放電開始電圧になったか否か判定し、該放電中二次電池パックの端子間電圧が該放電開始電圧になったとき、前記放電追加二次電池パックに放電を開始させる請求項1から3のいずれか1項記載の蓄電システム。 - 前記二次電池パックの放電をオンオフする放電スイッチと、
該二次電池パックの充電をオンオフする充電スイッチと、
をさらに有し、
前記上位制御部は、
前記放電追加二次電池パックの放電を開始するとき、前記充電スイッチをオフにした状態で前記放電スイッチをオンさせる請求項1から5のいずれか1項記載の蓄電システム。 - 前記上位制御部は、
前記複数の二次電池パックのうち一部の二次電池パックを充電している状態において、充電していない充電追加二次電池パックを、充電中である充電中二次電池パックと並列に接続して充電を開始する場合、前記充電追加二次電池パックと前記充電中二次電池パックの端子間電圧が一致する充電開始タイミングを予測し、該充電開始タイミングで前記充電追加二次電池パックの充電を開始させる請求項1から6のいずれか1項記載の蓄電システム。 - 前記上位制御部は、
前記電池検出部で測定される前記充電中二次電池パックの端子間電圧の変化と前記電流検出部で測定される充電電流とに基づいて該充電中二次電池パックのインピーダンスの変化を予測し、該充電中二次電池パックのインピーダンスが予め測定された前記充電追加二次電池パックのインピーダンスと一致するときを前記充電開始タイミングとする請求項7記載の蓄電システム。 - 前記二次電池パックの放電をオンオフする放電スイッチと、
該二次電池パックの充電をオンオフする充電スイッチと、
をさらに有し、
前記上位制御部は、
前記充電追加二次電池パックの充電を開始させるとき、前記放電スイッチをオフにした状態で前記充電スイッチをオンさせる請求項7または8記載の蓄電システム。 - 複数の二次電池パックを制御するための二次電池制御方法であって、
コンピュータが、
前記複数の二次電池パックのうち一部の二次電池パックが放電している状態において、放電していない放電追加二次電池パックを、放電中である放電中二次電池パックと並列に接続して放電する場合、前記放電追加二次電池パックと前記放電中二次電池パックの端子間電圧が一致する放電開始タイミングを予測し、
該放電開始タイミングで前記放電追加二次電池パッに放電を開始させる二次電池制御方法。
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JP6089580B2 (ja) * | 2012-10-24 | 2017-03-08 | マツダ株式会社 | 車両用電源制御装置 |
JP6201763B2 (ja) * | 2013-01-22 | 2017-09-27 | 株式会社Gsユアサ | 蓄電ユニットの接続情報取得装置 |
US9455581B2 (en) * | 2013-08-14 | 2016-09-27 | Chin-Long Wey | Safety-critical smart battery management system with the capability of charging single battery cells and discharging battery pack |
JP2015097463A (ja) * | 2013-11-15 | 2015-05-21 | 日立化成株式会社 | 複合蓄電システム |
JP6264186B2 (ja) * | 2014-05-16 | 2018-01-24 | 株式会社豊田自動織機 | 電池パック |
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JP5017009B2 (ja) * | 2007-07-30 | 2012-09-05 | 株式会社東芝 | 並列接続蓄電システム |
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KR20090116290A (ko) * | 2008-05-07 | 2009-11-11 | 엘지전자 주식회사 | 전원 제어 장치 및 방법 |
US9013146B2 (en) * | 2009-06-29 | 2015-04-21 | Nec Energy Devices, Ltd. | Secondary battery pack |
US8760111B2 (en) * | 2011-02-03 | 2014-06-24 | Toyota Jidosha Kabushiki Kaisha | Secondary battery output power controller |
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2012
- 2012-03-19 JP JP2013507397A patent/JP5618393B2/ja active Active
- 2012-03-19 CN CN201610644974.2A patent/CN106684959B/zh active Active
- 2012-03-19 CN CN201280012830.5A patent/CN103430418B/zh active Active
- 2012-03-19 WO PCT/JP2012/056979 patent/WO2012132985A1/ja active Application Filing
- 2012-03-19 US US14/001,215 patent/US9368992B2/en active Active
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CN103430418B (zh) | 2016-08-24 |
CN106684959B (zh) | 2019-05-14 |
CN103430418A (zh) | 2013-12-04 |
WO2012132985A1 (ja) | 2012-10-04 |
CN106684959A (zh) | 2017-05-17 |
EP2690743A4 (en) | 2014-10-22 |
EP2690743A1 (en) | 2014-01-29 |
EP2690743B1 (en) | 2017-10-25 |
US20130320930A1 (en) | 2013-12-05 |
US9368992B2 (en) | 2016-06-14 |
JP5618393B2 (ja) | 2014-11-05 |
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