JP2005117722A - 組電池の充放電制御装置 - Google Patents
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Abstract
【解決手段】複数のセルs1〜s4から構成され、充放電可能な組電池1の充放電制御装置において、各セルs1〜s4のSOCを検出し、検出した各セルのSOCに基づいて、組電池1の充電を停止させる目標値となる上限値および放電を停止させる目標値となる下限値を変更する。
【選択図】図1
Description
ΔSOC1=SOCmax−SOCave …(1)
ΔSOC2=SOCave−SOCmin …(2)
ただし、SOCmaxは、ステップS20で算出した各セルs1〜s4のSOCのうち、最大の値を示すSOCであり、SOCminは最小の値を示すSOCである。また、SOCaveは、ステップS20で算出した各セルs1〜s4のSOCの平均値である。
SOC_lim1=75−(ΔSOC1×η) …(3)
SOC_lim2=45+ΔSOC2 …(4)
2…バッテリコントローラ
2a…CPU
2b…メモリ
2c…タイマ
2d…セル電圧検出部
3…車両コントローラ
4…メインスイッチ
5…補助電池
6…電流センサ
7…電圧センサ
8a,8b…メインリレー
9…モータジェネレータ
10…インバータ
11…補機システム
12…警告灯
13…温度センサ
s1〜s4…セル
Claims (6)
- 複数のセルから構成され、充放電可能な組電池の充放電制御装置において、
前記組電池のSOCを検出する組電池SOC検出手段と、
前記組電池SOC検出手段により検出された組電池のSOCが上限値に到達すると前記組電池の充電の制限を開始し、前記組電池のSOCが下限値に到達すると前記組電池の放電の制限を開始する充放電制御手段と、
前記組電池を構成する各セルのSOCを検出するセルSOC検出手段と、
前記セルSOC検出手段により検出された各セルのSOCに基づいて、前記上限値および前記下限値のうちの少なくとも一方の値を変更する制限値変更手段とを備えることを特徴とする組電池の充放電制御装置。 - 請求項1に記載の組電池の充放電制御装置において、
前記制限値変更手段は、前記セルSOC検出手段により検出された各セルのSOCのうち、最大値を示すセルSOCと、前記セルSOC検出手段により検出された各セルのSOCの平均SOCとに基づいて、前記上限値を変更することを特徴とする組電池の充放電制御装置。 - 請求項2に記載の組電池の充放電制御装置において、
前記制限値変更手段は、予め設定された初期値から、前記最大値を示すセルSOCと前記平均SOCとの差分を減じた値に基づいて、前記変更する上限値を決定することを特徴とする組電池の充放電制御装置。 - 請求項2に記載の組電池の充放電制御装置において、
前記制限値変更手段は、予め設定された初期値から、前記最大値を示すセルSOCと前記平均SOCとの差分に前記組電池の充電効率を乗じた値を減じた値に基づいて、前記変更する上限値を決定することを特徴とする組電池の充放電制御装置。 - 請求項1〜4のいずれかに記載の組電池の充放電制御装置において、
前記制限値変更手段は、前記セルSOC検出手段により検出された各セルの電圧のうち、最小値を示すセルSOCと、前記セルSOC検出手段により検出された各セルのSOCの平均SOCとに基づいて、前記下限値を変更することを特徴とする組電池の充放電制御装置。 - 請求項5に記載の組電池の充放電制御装置において、
前記制限値変更手段は、予め設定された初期値に、前記平均SOCと前記最小値を示すセルSOCとの差分を加算した値に基づいて、前記変更する下限値を決定することを特徴とする組電池の充放電制御装置。
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Cited By (14)
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JP2007110841A (ja) * | 2005-10-14 | 2007-04-26 | Nissan Motor Co Ltd | 組電池の容量調整装置 |
JP2007159247A (ja) * | 2005-12-02 | 2007-06-21 | Panasonic Ev Energy Co Ltd | 二次電池用の制御装置及び二次電池の出力制御方法 |
JP2007335136A (ja) * | 2006-06-13 | 2007-12-27 | Panasonic Ev Energy Co Ltd | 電池制御装置およびプログラム |
JP2008104289A (ja) * | 2006-10-19 | 2008-05-01 | Hitachi Vehicle Energy Ltd | 蓄電池管理装置およびそれを備える車両制御装置 |
JP2008283753A (ja) * | 2007-05-09 | 2008-11-20 | Honda Motor Co Ltd | バッテリ保護装置およびバッテリ保護方法 |
JP2009178040A (ja) * | 2006-03-10 | 2009-08-06 | Hitachi Vehicle Energy Ltd | 電池群制御装置及び電池電源システム |
JP2010035350A (ja) * | 2008-07-29 | 2010-02-12 | Sanyo Electric Co Ltd | ハイブリッドカーの電源装置における電池の充放電制御方法 |
JP2010166752A (ja) * | 2009-01-19 | 2010-07-29 | Sony Corp | 電池パックおよび充放電制御方法 |
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