JP2007221886A - 二次電池の充放電制御装置 - Google Patents
二次電池の充放電制御装置 Download PDFInfo
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Abstract
【解決手段】二次電池の昇温動作時などのように、二次電池に対する継続的な充放電要求が存在すると判断されると、制御装置は、二次電池を継続的に充放電するための充放電継続電力を決定する。制御装置は、各時点の充放電制限電力に所定の低減定数α(0<α<1)を乗じて得られる低減電力を超過しないように充放電継続電力を決定する。そのため、充放電継続電力は、現時点の充放電制限電力(充電制限電力WINまたは放電制限電力WOUT)のα倍に抑制され、二次電池の分極作用を抑制できるので、二次電池の過剰な電圧変動を回避できる。
【選択図】図7
Description
図1は、この発明の実施の形態に従う二次電池の充放電制御装置を搭載した車両100の概略構成図である。
制御する。
図3は、ある特定の温度における二次電池10の充放電制限電力の一例を示す図である。
図4(b)は、時間経過に伴う二次電池10の出力電圧の変化を示す。
図5は、充放電継続電力の決定に係る処理の流れを示すフローチャートである。
図6(b)は、時間経過に伴う二次電池10のSOCの変化を示す。
図6(a)を参照して、たとえば、イグニッションオンの時点で、二次電池10の電池温度が最低使用温度以下であれば、制御装置2は、二次電池10の昇温を開始する。
図7(b)は、時間経過に伴う二次電池10のSOCの変化を示す。
図7(a)および図7(b)を参照して、図6(a)および図6(b)と同様に、たとえば、イグニッションオンの時点で、二次電池10の電池温度が最低使用温度以下であれば、制御装置2は、二次電池10のSOCをSOC許容範囲内に維持しながら、二次電池10を昇温する。
Claims (4)
- 充放電可能に構成される二次電池と、
前記二次電池と接続され、電力を発生する発電手段と、
前記二次電池と接続され、電力を消費する負荷手段と、を有するシステムにおける二次電池の充放電制御装置であって、
前記二次電池に対する継続的な充放電要求が存在しているか否かを判断する判断手段と、
各時点における前記二次電池の電池状態に応じて定められる充放電制限電力より小さい範囲内で、前記二次電池を継続して充放電するための充放電継続電力を決定する決定手段と、
前記判断手段により前記継続的な充放電要求が存在していると判断されたときに、前記二次電池に対して充放電される電力が前記決定手段により決定された前記充放電継続電力となるように、前記発電手段の発生電力および前記負荷手段の消費電力のうち、少なくともいずれか一方を制御する制御手段とを備える、二次電池の充放電制御装置。 - 前記決定手段は、前記充放電制限電力に所定の低減定数を乗じた値を超過しないように、前記充放電制限電力を決定する、請求項1に記載の二次電池の充放電制御装置。
- 前記二次電池の電池温度を取得する電池温度取得手段をさらに備え、
前記判断手段は、前記電池温度取得手段により取得される当該電池温度が所定値以下であれば、前記継続的な充放電要求が存在していると判断する、請求項1または2に記載の二次電池の充放電制御装置。 - 前記二次電池のSOCを取得するSOC取得手段と、
前記SOC取得手段により取得される当該SOCが許容範囲内となるように、前記二次電池に対して充電または放電のいずれを実行するかを決定する充放電切換手段とをさらに備え、
前記決定手段は、前記充放電切換手段により決定される充電または放電に応じて、前記二次電池を継続して充電するための充電継続電力または前記二次電池を継続して放電するための放電継続電力を決定する、請求項1〜3のいずれか1項に記載の二次電池の充放電制御装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006037896A JP4538418B2 (ja) | 2006-02-15 | 2006-02-15 | 二次電池の充放電制御装置 |
PCT/IB2007/000333 WO2007093882A2 (en) | 2006-02-15 | 2007-02-13 | Controller and control method for charging of the secondary battery |
CN2007800055939A CN101384461B (zh) | 2006-02-15 | 2007-02-13 | 用于二次电池充电/放电的控制器和控制方法 |
US12/223,855 US20100156352A1 (en) | 2006-02-15 | 2007-02-13 | Controller and Control Method for Charging of the Secondary Battery |
EP07705578A EP1984222A2 (en) | 2006-02-15 | 2007-02-13 | Charging controller for a secondary battery and method of controlling the charging of the secondary battery |
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JP2006037896A JP4538418B2 (ja) | 2006-02-15 | 2006-02-15 | 二次電池の充放電制御装置 |
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US (1) | US20100156352A1 (ja) |
EP (1) | EP1984222A2 (ja) |
JP (1) | JP4538418B2 (ja) |
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JP2013106500A (ja) * | 2011-11-16 | 2013-05-30 | Toyota Motor Corp | バッテリ充放電管理装置および方法 |
JP2015119573A (ja) * | 2013-12-19 | 2015-06-25 | 日産自動車株式会社 | 二次電池の制御装置 |
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JP2019088076A (ja) * | 2017-11-06 | 2019-06-06 | 本田技研工業株式会社 | 車両制御システム、車両制御方法、およびプログラム |
Also Published As
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US20100156352A1 (en) | 2010-06-24 |
JP4538418B2 (ja) | 2010-09-08 |
EP1984222A2 (en) | 2008-10-29 |
WO2007093882A3 (en) | 2007-10-18 |
CN101384461B (zh) | 2013-07-31 |
WO2007093882A2 (en) | 2007-08-23 |
CN101384461A (zh) | 2009-03-11 |
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