JPWO2013035176A1 - 電池制御装置、蓄電装置および車両 - Google Patents
電池制御装置、蓄電装置および車両 Download PDFInfo
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Abstract
Description
本発明の第2の態様によると、第1の態様の電池制御装置において、スイッチは機械的スイッチであってよい。
本発明の第3の態様によると、第1の態様の電池制御装置において、スイッチは、第2のセルコントローラICからの信号により制御される電気的スイッチであってもよい。
本発明の第4の態様によると、第1乃至第3のいずれかの態様の電池制御装置において、少なくとも接続点からコネクタまでの間について、第1のセルコントローラICのGND端子側配線と第2のセルコントローラICのVCC端子側配線とを耐ノイズケーブルで構成してもよい。
本発明の第5の態様による電池制御装置は、複数の電池セルを直列接続した複数個のセルグループを直列または直並列に接続した電池モジュールを制御するものであって、複数個のセルグループを各々制御する複数のセルコントローラICと、複数のセルコントローラICを電池モジュールに接続するために設けられた1つ以上のコネクタとを備える。複数のセルコントローラICは、2つ以上直列に接続したセルグループを制御するように連続して設けられた第1および第2のセルコントローラICを含む。第1のセルコントローラICのGND端子側配線と第2のセルコントローラICのVCC端子側配線とを電池制御装置の外部の接続点で接続するための補助接続部材(ピン)を設け、少なくとも接続点からコネクタまでの間について、第1のセルコントローラICのGND端子側配線と第2のセルコントローラICのVCC端子側配線とを耐ノイズケーブルで構成している。
本発明の第6の態様による蓄電装置は、第1乃至第5のいずれかの態様の電池制御装置と、複数の電池セルを直列接続した複数個のセルグループを直列または直並列に接続した電池モジュールと、電池モジュール側のコネクタとを備える。
本発明の第7の態様による電動走行可能な車両は、第6の態様の蓄電装置と、蓄電装置で制御される電力で駆動される走行用電動機とを備える。
まず、図1を用いて、ハイブリッド自動車用駆動システムについて説明する。図1に示すハイブリッド自動車1の駆動システムは、駆動輪2に機械的に接続された車軸3がデファレンシャルギア4と接続され、デファレンシャルギア4の入力軸が変速機5と接続されている。そして、内燃機関であるエンジン6と電動発電機7の駆動力が駆動力切替装置8によって切り替えられ、駆動輪2の駆動源として、駆動力切替装置8を介して変速機5に入力される構成となっている。
次に図2を参照して、本発明による電池制御装置を含む蓄電装置11を備えた、電気自動車およびハイブリッド型自動車に適用可能な、モータの駆動装置について説明する。
次に図3および図2を参照して、本発明による電池制御装置と蓄電装置に用いられるセルコントローラICの回路の概略について説明する。
次に図4を参照して、従来の電池モジュールと電池制御装置について説明する。図4は、従来例による電池制御装置100の構成例を示す。なお、図4では、図2、3で説明した上記の例とは異なり、電池モジュール20がそれぞれ4つの電池セルを有する3つのセルグループ101〜103で構成されており、電池制御装置100内に設けられたセルコントローラIC1〜IC3によってセルグループ101〜103をそれぞれ制御する例を示している。
次に図5を参照して、上記の従来例における課題を解決するための本発明の第1の実施形態について説明する。なお、図5において図4と同じ構成要素を表す部分には同一の符号を付している。この部分について従来例と重複する説明は省略する。
3.3V−0.7V−3.0V=−0.4V ・・・(1)
次に図6〜8を参照して、上記の第1の実施形態における課題を解決するための本発明の第2の実施形態について説明する。なお、図6〜8において図4、5と同じ構成要素を表す部分には同一の符号を付している。この部分について従来例や第1の実施形態と重複する説明は省略する。
次に図9を参照して、本発明の第3の実施形態について説明する。なお、図9において図4〜8と同じ構成要素を表す部分には同一の符号を付している。この部分について従来例や第1および第2の実施形態と重複する説明は省略する。
Claims (7)
- 複数の電池セルを直列接続した複数個のセルグループを直列または直並列に接続した電池モジュールを制御する電池制御装置において、
前記複数個のセルグループを各々制御する複数のセルコントローラICと、
複数のセルコントローラICを前記電池モジュールに接続するために設けられた1つ以上のコネクタとを備え、
前記複数のセルコントローラICは、2つ以上直列に接続した前記セルグループを制御するように連続して設けられた第1および第2のセルコントローラICを含み、
前記第1のセルコントローラICのGND端子側配線と前記第2のセルコントローラICのVCC端子側配線とを前記電池制御装置の外部の接続点で接続するための補助接続部材(ピン)を設け、
前記第1のセルコントローラICのGND端子側配線と前記第2のセルコントローラICのVCC端子側配線との間にスイッチを設けた電池制御装置。 - 請求項1に記載の電池制御装置において、
前記スイッチは、機械的スイッチである電池制御装置。 - 請求項1に記載の電池制御装置において、
前記スイッチは、前記第2のセルコントローラICからの信号により制御される電気的スイッチである電池制御装置。 - 請求項1乃至3のいずれか1項に記載の電池制御装置において、
少なくとも前記接続点から前記コネクタまでの間について、前記第1のセルコントローラICのGND端子側配線と前記第2のセルコントローラICのVCC端子側配線とを耐ノイズケーブルで構成した電池制御装置。 - 複数の電池セルを直列接続した複数個のセルグループを直列または直並列に接続した電池モジュールを制御する電池制御装置において、
前記複数個のセルグループを各々制御する複数のセルコントローラICと、
複数のセルコントローラICを前記電池モジュールに接続するために設けられた1つ以上のコネクタとを備え、
前記複数のセルコントローラICは、2つ以上直列に接続した前記セルグループを制御するように連続して設けられた第1および第2のセルコントローラICを含み、
前記第1のセルコントローラICのGND端子側配線と前記第2のセルコントローラICのVCC端子側配線とを前記電池制御装置の外部の接続点で接続するための補助接続部材(ピン)を設け、
少なくとも前記接続点から前記コネクタまでの間について、前記第1のセルコントローラICのGND端子側配線と前記第2のセルコントローラICのVCC端子側配線とを耐ノイズケーブルで構成した電池制御装置。 - 請求項1乃至5のいずれか1項に記載の電池制御装置と、
前記複数の電池セルを直列接続した複数個のセルグループを直列または直並列に接続した電池モジュールと、
前記電池モジュール側のコネクタとを備える蓄電装置。 - 請求項6に記載の蓄電装置と、
前記蓄電装置で制御される電力で駆動される走行用電動機とを備えた電動走行可能な車両。
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