JP2020030902A - 車両用バッテリ装置 - Google Patents
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Abstract
【解決手段】複数積層されたバッテリセル60で構成されるバッテリセル群6を収容し、バッテリセル60の積層方向に沿う温調液流路36を有するバッテリセル搭載部3と、インターフェースボックス2と、を備える車両用バッテリ装置1であって、バッテリセル搭載部3は、インターフェースボックス2の二つの側面201aの少なくともいずれか一方に接続され、インターフェースボックス2は、バッテリセル搭載部3と接続される側面201a以外のいずれかの外面に、電気の授受を行う電力用インターフェース部24,25と、温調液の授受を行う温調液用インターフェース部26とを有し、バッテリセル群6は、電力用インターフェース部24,25に対して電気的に接続され、温調液流路36は、温調液用インターフェース部26に対して温調液を流通可能に接続される。
【選択図】図2
Description
本実施形態に示す車両用バッテリ装置1は、図1及び図2に示すように、一つのインターフェースボックス2(以下、I/Fボックス2という。)と、二つのバッテリセル搭載部3、3と、を備える。なお、本明細書の各図中の矢印で示す方向において、D1方向に沿う方向は、車両用バッテリ装置1の長さ方向を示す。D2方向に沿う方向は、車両用バッテリ装置1の幅方向を示す。D3方向に沿う方向は、車両用バッテリ装置1の高さ方向を示す。D3方向が車両用バッテリ装置1の「上」を示し、その反対方向が車両用バッテリ装置1の「下」を示す。
バッテリセル搭載部3は、主として、外装体30と、外装体30内に収容されるバッテリセル群6と、を有する。これにより、バッテリセル群6を構成する後述の複数のバッテリセル60が、I/Fボックス2を挟んでその両側に配置されるため、数多くのバッテリセル60を効率的に配置させることができる。本実施形態に示すバッテリセル搭載部3は、外装体30内に並列に配置された二つのバッテリセル群6、6を有する。しかし、一つの外装体30内に配置されるバッテリセル群6は一つだけでもよい。
2 インターフェースボックス
2a 凹部(脆弱部)
24 低電圧用コネクタ(電力用インターフェース部)
25 高電圧用コネクタ(電力用インターフェース部)
26 温調液用コネクタ(温調液用インターフェース部)
201a 側面
205 電気配線用開口部
206 温調液用開口部
207 梁部
208 位置決め機構
209 脆弱部
3 バッテリセル搭載部
30a (インターフェースボックスに接続される)端面
30b (インターフェースボックスに接続される端面と反対側の)端面
36 温調液流路
4 エンドプレート
6 バッテリセル群
60 バッテリセル
7 収納体
71a、72a、72b 接続配線
73a、73b 温調液配管
75 気泡除去部
500 車両用の配線又は配管
S (電気配線を配置可能な)空間部
Claims (20)
- 複数積層されたバッテリセルにより構成されるバッテリセル群を収容すると共に、前記バッテリセルの積層方向に沿って温調液が流通可能な温調液流路を有するバッテリセル搭載部と、前記バッテリセル搭載部と外部との接続機能を集約するインターフェースボックスと、を備える車両用バッテリ装置であって、
前記バッテリセル搭載部は、前記インターフェースボックスの外面のうちの相対峙する二つの側面の少なくともいずれか一方に接続され、
前記インターフェースボックスは、前記バッテリセル搭載部と接続される前記側面以外のいずれかの外面に、電気の授受を行う電力用インターフェース部と、温調液の授受を行う温調液用インターフェース部とを有し、
前記バッテリセル搭載部の前記バッテリセル群は、前記電力用インターフェース部に対して電気的に接続され、
前記バッテリセル搭載部の前記温調液流路は、前記温調液用インターフェース部に対して温調液を流通可能に接続される、車両用バッテリ装置。 - 前記バッテリセル搭載部は、前記インターフェースボックスの前記相対峙する二つの側面にそれぞれ接続される、請求項1に記載の車両用バッテリ装置。
- それぞれ前記バッテリセル搭載部を接続した複数の前記インターフェースボックス同士が、前記バッテリセル搭載部と接続される前記側面以外のいずれかの外面で相互に連結される、請求項1又は2に記載の車両用バッテリ装置。
- 前記インターフェースボックスは、前記バッテリセル搭載部と接続される前記側面以外のいずれかの外面に、前記インターフェースボックス同士を相互に連結可能な連結部を有する、請求項3に記載の車両用バッテリ装置。
- 前記連結部は、前記電力用インターフェース部及び/又は前記温調液用インターフェース部により構成される、請求項4に記載の車両用バッテリ装置。
- 前記インターフェースボックスは、前記連結部を有する前記外面に、前記連結部とは別体に、前記インターフェースボックス同士の位置決めのための位置決め機構を有する、請求項4又は5に記載の車両用バッテリ装置。
- 前記位置決め機構は、前記インターフェースボックス同士の連結方向において、前記連結部よりも突出して設けられる、請求項6に記載の車両用バッテリ装置。
- 前記温調液用インターフェース部は、前記電力用インターフェース部に対して下方又は水平方向に離間した位置に配置される、請求項1〜7のいずれか1項に記載の車両用バッテリ装置。
- それぞれ前記バッテリセル搭載部を接続した複数の前記インターフェースボックスを備えると共に、
前記複数のインターフェースボックスのそれぞれの前記電力用インターフェース部に電気的に接続される接続配線及び前記複数のインターフェースボックスのそれぞれの前記温調液用インターフェース部に接続される温調液配管を収納する一つの収納体を更に備える、請求項1又は2に記載の車両用バッテリ装置。 - 前記収納体は、前記複数のインターフェースボックスの上方に配置され、
前記温調液配管は、温調液中の気泡を除去する気泡除去部を有する、請求項9に記載の車両用バッテリ装置。 - 前記バッテリセル搭載部は、前記インターフェースボックスに接続される端面と反対側の端面にエンドプレートを有し、
前記バッテリセル群は、前記インターフェースボックスの前記側面と前記エンドプレートとの間で、前記バッテリセルの積層方向に圧縮、挟持される、請求項1〜10のいずれか1項に記載の車両用バッテリ装置。 - 前記バッテリセル搭載部と接続される前記インターフェースボックスの前記側面は、平坦面である、請求項11に記載の車両用バッテリ装置。
- 前記エンドプレートは、前記バッテリセル搭載部の前記温調液流路と連通する前記温調液流路の折り返し流路を有する、請求項11又は12に記載の車両用バッテリ装置。
- 前記バッテリセル搭載部と接続される前記インターフェースボックスの前記側面は、前記バッテリセル搭載部と前記インターフェースボックスとの間に亘って設けられる電気配線を挿通可能な電気配線用開口部と、前記バッテリセル搭載部の前記温調液流路と連通可能な温調液用開口部と、を個々に有する、請求項1〜13のいずれか1項に記載の車両用バッテリ装置。
- 前記温調液用開口部は、前記バッテリセル搭載部の前記温調液流路の一端部に対応する位置に設けられる、請求項14に記載の車両用バッテリ装置。
- 前記バッテリセル搭載部は、前記バッテリセル群の上方に前記電気配線を配置可能な空間部を有し、
前記電気配線用開口部は、前記バッテリセル搭載部の前記空間部に対応する位置に設けられる、請求項14又は15に記載の車両用バッテリ装置。 - 前記インターフェースボックスは、前記相対峙する二つの側面間に亘る梁部を有する、請求項1〜16のいずれか1項に記載の車両用バッテリ装置。
- 前記梁部は、前記バッテリセル搭載部における前記バッテリセル群の幅方向の中央部に対応する位置に配置される、請求項17に記載の車両用バッテリ装置。
- 前記インターフェースボックスは、前記相対峙する二つの側面の間に、外部から一定以上の荷重が作用した際に前記バッテリセル搭載部よりも優先的に破壊される又は変形する脆弱部を有する、請求項1〜18のいずれか1項に記載の車両用バッテリ装置。
- 前記脆弱部は、車両用の配線又は配管を挿通可能な凹部である、請求項19に記載の車両用バッテリ装置。
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