JP4092580B2 - 多直列電池制御システム - Google Patents
多直列電池制御システム Download PDFInfo
- Publication number
- JP4092580B2 JP4092580B2 JP2004135022A JP2004135022A JP4092580B2 JP 4092580 B2 JP4092580 B2 JP 4092580B2 JP 2004135022 A JP2004135022 A JP 2004135022A JP 2004135022 A JP2004135022 A JP 2004135022A JP 4092580 B2 JP4092580 B2 JP 4092580B2
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- Prior art keywords
- control
- chip
- terminal
- signal
- battery
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- 238000012544 monitoring process Methods 0.000 claims description 79
- 230000005856 abnormality Effects 0.000 claims description 68
- 238000001514 detection method Methods 0.000 claims description 61
- 238000004891 communication Methods 0.000 claims description 49
- 238000009413 insulation Methods 0.000 claims description 25
- 230000002159 abnormal effect Effects 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000010248 power generation Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Description
前記メインコントロ−ラは、前記電池セルまたは前記監視ICの異常の有無を検出するための第1の信号を前記監視ICに絶縁を介して送信するとともに、前記監視ICから絶縁を介して送信された前記第1の信号に基づいて前記電池セルまたは前記制御ICの異常の有無を検出し、前記第1の信号に基づいて異常が検出された場合には、前記電池セルまたは前記制御ICの異常の内容を検出するための第2の信号を前記制御ICに絶縁を介して送信するとともに、前記制御ICから絶縁を介して送信された第2の信号に基づいて前記電池セルまたは前記制御ICの異常の内容を検出するようにしたものである。
2………………………………単位電池セル
2A〜2D……………………電池セル
3………………………………制御IC
3A〜5A……………………制御ICチップ
3B〜5B……………………セル監視ICチップ
4,8…………………………高速絶縁手段
5………………………………メインコントローラ
6,7,9,10……………絶縁手段
20……………………………選択手段
22……………………………電圧検出手段
23……………………………演算手段
28A〜28D………………SW状態検出手段
29A〜29D………………バランシングスイッチ
30……………………………電位変換手段
31……………………………比較手段
33……………………………SW駆動手段
Claims (7)
- 直列に接続された複数個の電池セルを1単位とする単位電池セルと、
前記単位電池セルを制御する制御回路が搭載された制御ICと、
前記単位電池セルを監視する監視ICと、
前記制御ICおよび前記監視ICと絶縁を介して信号の授受を行うメインコントロ−ラと、を備え,
前記メインコントロ−ラは、前記電池セルまたは前記監視ICの異常の有無を検出するための第1の信号を前記監視ICに絶縁を介して送信するとともに、前記監視ICから絶縁を介して送信された前記第1の信号に基づいて前記電池セルまたは前記制御ICの異常の有無を検出し、前記第1の信号に基づいて異常が検出された場合には、前記電池セルまたは前記制御ICの異常の内容を検出するための第2の信号を前記制御ICに絶縁を介して送信するとともに、前記制御ICから絶縁を介して送信された第2の信号に基づいて前記電池セルまたは前記制御ICの異常の内容を検出する、
ことを特徴とする多直列電池制御システム。 - 前記監視ICは、前記制御ICに接続される単位電池セルを構成する各セル電圧が所定電圧に安定するように放電するバランシング回路を設けたものである請求項1に記載の多直列電池制御システム。
- 前記制御ICは、該制御ICに接続され単位電池セルを構成する各セル電圧を検出すると共に、該単位電池セルから供給する電源の供給を制御するものである請求項1又は2に記載の多直列電池制御システム。
- 前記監視ICには、前記制御IC又は前記制御ICに接続されている電池セルの異常の有無を検出するディジタル信号を送信し、前記制御ICには、異常の有無の検出に伴い異常を検出する際に異常の内容を検出すコマンド信号を送信する通信二重系で構成したものである請求項1、2又は3のいずれかに記載の多直列電池制御システム。
- 前記メインコントロ−ラをシャ−シア−スし、前記単位電池セルと、前記監視ICと、前記制御ICは、ア−スしないで設けたものである請求項1、2、3又は4のいずれかに記載の多直列電池制御システム。
- 前記監視ICのバランシング回路は、前記制御ICにおいて検出した前記単位電池セルを構成する各セル電圧が所定電圧より大きい電圧のバラツキを検出したときに、前記制御ICからの指令に基づいて駆動するものである請求項2、3、4又は5のいずれかに記載の多直列電池制御システム。
- 前記監視ICは、前記制御ICにおいて検出した前記単位電池セルを構成する各セル電圧が所定電圧より大きい電圧のバラツキを検出し、前記制御ICからのバランシング回路を駆動する信号の受信がなくても、前記制御ICとは独立してバランシング回路を駆動できるようにしたものである請求項2、3、4、5又は6のいずれかに記載の多直列電池制御システム。
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JP2004135022A JP4092580B2 (ja) | 2004-04-30 | 2004-04-30 | 多直列電池制御システム |
US11/117,480 US7511457B2 (en) | 2004-04-30 | 2005-04-29 | Multi-series battery control system |
JP2008005175A JP4656152B2 (ja) | 2004-04-30 | 2008-01-15 | 電池システム |
JP2008005176A JP4656153B2 (ja) | 2004-04-30 | 2008-01-15 | 電池システム、電池セル制御用集積回路 |
US12/415,775 US8339099B2 (en) | 2004-04-30 | 2009-03-31 | Multi-series battery control system |
JP2010215188A JP5177196B2 (ja) | 2004-04-30 | 2010-09-27 | 電池セル監視用集積回路 |
US13/725,007 US8786256B2 (en) | 2004-04-30 | 2012-12-21 | Multi-series battery control system |
US13/724,828 US8791668B2 (en) | 2004-04-30 | 2012-12-21 | Multi-series battery control system |
US13/726,720 US8884584B2 (en) | 2004-04-30 | 2012-12-26 | Multi-series battery control system |
US13/726,683 US8912756B2 (en) | 2004-04-30 | 2012-12-26 | Multi-series battery control system |
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US9340122B2 (en) | 2011-05-31 | 2016-05-17 | Hitachi Automotive Systems, Ltd. | Battery system monitoring apparatus |
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JP4656152B2 (ja) | 2011-03-23 |
JP5177196B2 (ja) | 2013-04-03 |
US7511457B2 (en) | 2009-03-31 |
US20050242667A1 (en) | 2005-11-03 |
US8791668B2 (en) | 2014-07-29 |
US20090224769A1 (en) | 2009-09-10 |
JP2011055702A (ja) | 2011-03-17 |
JP2008141954A (ja) | 2008-06-19 |
JP4656153B2 (ja) | 2011-03-23 |
US8339099B2 (en) | 2012-12-25 |
US8786256B2 (en) | 2014-07-22 |
US8912756B2 (en) | 2014-12-16 |
US20130207609A1 (en) | 2013-08-15 |
US20130119936A1 (en) | 2013-05-16 |
US20130113428A1 (en) | 2013-05-09 |
JP2005318750A (ja) | 2005-11-10 |
US8884584B2 (en) | 2014-11-11 |
JP2008141953A (ja) | 2008-06-19 |
US20140340042A9 (en) | 2014-11-20 |
US20130214740A1 (en) | 2013-08-22 |
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