JP2021086673A - バッテリー熱交換構造 - Google Patents
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Abstract
Description
これによれば、所要の電池セルの側面に熱交換パネルの熱交換面を沿わせるようにして密接させることにより、熱交換パネルの熱交換用流体と電池セルとの間で高い熱交換効率で熱交換を行うことができる。更に、熱交換パネルと電池セルを並置方向に圧縮して押し当てるように弾性的に付勢することにより、熱交換パネルの熱交換用流体と電池セルとの間の熱交換効率を一層高めることができると共に、熱交換の安定性を高めることができる。また、熱交換パネルと電池セルを並置方向に弾性的に付勢することにより、バッテリーの熱膨張や温度低下時の収縮に追随して、熱交換パネルと電池セルを並置方向に押し当てる状態を確保することができる。また、熱交換パネルと電池セルの並置方向における弾性的な付勢でバッテリーの熱膨張時の膨張量を吸収し、熱交換構造の内圧上昇による破損を防止し、安全性を向上することができる。
これによれば、挟持板を介して熱交換パネルの熱交換面を電池セルの側面に略均等に押し当てることができ、熱交換パネルの熱交換用流体と電池セルとの間の熱交換効率をより一層高めることができると共に、熱交換の安定性をより一層高めることができる。
これによれば、本管に相当する流体供給管や流体排出管を分岐する部分や部品を設けるだけで、複数の熱交換パネルへの熱交換用流体の流入、複数の熱交換パネルからの熱交換用流体の流出を行う構成とすることができ、部品点数を減らして製造コストを低減し、組立工程の効率化を図ることができる。
これによれば、流体供給管の部分と流体排出管の部分を電池セルと熱交換パネルの並置方向に倣って設ける場合に、電池セルが発熱で熱膨張した際に弾性管が伸長して追随し、熱膨張の収束に応じて弾性管が弾性復元することで、流体供給管と流体排出管でも熱膨張を吸収することができる。
これによれば、バッテリーに対する外部環境の温度の影響を低減することができる。換言すれば、外部環境が低温時に生ずるバッテリーの出力電圧の低下や放電容量の低下のようなバッテリーの一時的な性能の低下を防止することができると共に、外部環境が高温時に生ずるバッテリー性能の恒久的な劣化、寿命の短命化を防止することができる。また、バッテリー体に非常に高温時に出力規制する保護回路が搭載されている場合、夏場の非常な高温時等に意図しない保護回路の作動を防止することができる。また、外部環境の温度の影響を低減しつつ、熱交換用流体の環流で必要時にバッテリーの温度を適温範囲に制御することができる。
これによれば、外聞環境が非常に低温である場合と非常に高温である場合の双方に適応し、バッテリーに対する外部環境の温度の影響を極力低減することができる。換言すれば、外部環境が低温時に生ずるバッテリーの出力電圧の低下や放電容量の低下のようなバッテリーの一時的な性能の低下を確実に防止することができると共に、外部環境が高温時に生ずるバッテリー性能の恒久的な劣化、寿命の短命化を確実に防止することができる。また、バッテリー体に非常に高温時に出力規制する保護回路が搭載されている場合、夏場の非常な高温時等に意図しない保護回路の作動を確実に防止することができる。
これによれば、温度センサーの検出温度に応じて必要時に必要な温度の熱交換用流体を環流させ、バッテリーの温度を適温範囲に自動的に制御することができる。
本発明による実施形態のバッテリー熱交換構造は、図1〜図4に示すように、断熱容器本体2と断熱蓋体3で構成される二重壁の断熱容器1と、断熱容器1に収容されるバッテリー体4を備える。バッテリー体4では、後述するように、電池セル41と、熱交換パネル42に流れる熱交換用流体Fとの間で熱交換が行なわれる。
本明細書開示の発明は、発明として列記した各発明、実施形態の他に、適用可能な範囲で、これらの部分的な内容を本明細書開示の他の内容に変更して特定したもの、或いはこれらの内容に本明細書開示の他の内容を付加して特定したもの、或いはこれらの部分的な内容を部分的な作用効果が得られる限度で削除して上位概念化して特定したものを包含する。そして、本明細書開示の発明には下記変形例や追記した内容も含まれる。
Claims (7)
- 電池セルの側面に熱交換パネルの熱交換面を沿わせるようにして前記電池セルと前記熱交換パネルが密接して並置され、
前記熱交換パネルが前記熱交換面に沿って熱交換用流体を環流可能に形成され、
前記熱交換パネルと前記電池セルが並置される方向に圧縮されるように弾性的に付勢されて設けられていることを特徴とするバッテリー熱交換構造。 - 前記並置される方向の一方の端に設けられる一方の挟持板と他方の端に設けられる他方の挟持板との間で前記電池セルと前記熱交換パネルが密接して並置され、
前記熱交換パネルの前記熱交換面に略均等に圧縮力が加わるようにして一の前記挟持板の外側から若しくは双方の前記挟持板の両外側から弾性材で付勢されていることを特徴とする請求項1記載のバッテリー熱交換構造。 - 前記熱交換パネルに熱交換用流体を供給する流体供給管の一部と、前記熱交換パネルから熱交換用流体を排出する流体排出管の一部が、前記並置される方向に倣って設けられ、
前記流体供給管で供給される熱交換用流体が複数並置されたそれぞれの前記熱交換パネルに分配されて環流し、それぞれの前記熱交換パネルから前記流体排出管に集めるように排出されることを特徴とする請求項1又は2記載のバッテリー熱交換構造。 - 前記熱交換パネル相互間の前記流体供給管の部分と、前記熱交換パネル相互間の前記流体排出管の部分とが弾性管で構成されていることを特徴とする請求項3記載のバッテリー熱交換構造。
- 前記電池セルと前記熱交換パネルで構成されるバッテリー体と、前記バッテリー体を支持する支持部が断熱容器に収容されていることを特徴とする請求項1〜4の何れかに記載のバッテリー熱交換構造。
- 前記断熱容器が、内壁と外壁との間に断熱空間が設けられる断熱容器本体と、内蓋と外蓋との間に断熱空間が設けられる断熱蓋体で構成される二重壁の断熱容器であり、
前記バッテリー体が、前記断熱容器本体の前記内壁及び前記断熱蓋体の前記内蓋から離間して配置されていることを特徴とする請求項5記載のバッテリー熱交換構造。 - 前記電池セルの温度を検出する温度センサーを前記電池セルに近接して設け、
前記温度センサーの検出温度に応じて熱交換用流体制御部が所要温度の熱交換用流体を供給することを特徴とする請求項1〜6の何れかに記載のバッテリー熱交換構造。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2019212958A JP7169962B2 (ja) | 2019-11-26 | 2019-11-26 | バッテリー熱交換構造 |
CN202080079977.0A CN114730937A (zh) | 2019-11-26 | 2020-09-25 | 蓄电池热交换结构 |
US17/775,154 US20220393260A1 (en) | 2019-11-26 | 2020-09-25 | Battery heat exchange structure |
PCT/JP2020/036224 WO2021106343A1 (ja) | 2019-11-26 | 2020-09-25 | バッテリー熱交換構造 |
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JP2019212958A JP7169962B2 (ja) | 2019-11-26 | 2019-11-26 | バッテリー熱交換構造 |
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JP2021086673A true JP2021086673A (ja) | 2021-06-03 |
JP2021086673A5 JP2021086673A5 (ja) | 2022-10-25 |
JP7169962B2 JP7169962B2 (ja) | 2022-11-11 |
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JP2011175743A (ja) * | 2010-02-23 | 2011-09-08 | Sanyo Electric Co Ltd | 電源装置及びこれを備える車両 |
JP2012028228A (ja) * | 2010-07-26 | 2012-02-09 | Denso Corp | 電池冷却装置 |
JP2013171647A (ja) * | 2012-02-20 | 2013-09-02 | Denso Corp | 電池パック |
WO2018097092A1 (ja) * | 2016-11-25 | 2018-05-31 | 本田技研工業株式会社 | 蓄電装置 |
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- 2020-09-25 CN CN202080079977.0A patent/CN114730937A/zh active Pending
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JP2011175743A (ja) * | 2010-02-23 | 2011-09-08 | Sanyo Electric Co Ltd | 電源装置及びこれを備える車両 |
JP2012028228A (ja) * | 2010-07-26 | 2012-02-09 | Denso Corp | 電池冷却装置 |
JP2013171647A (ja) * | 2012-02-20 | 2013-09-02 | Denso Corp | 電池パック |
WO2018097092A1 (ja) * | 2016-11-25 | 2018-05-31 | 本田技研工業株式会社 | 蓄電装置 |
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JP2022042772A (ja) * | 2020-09-03 | 2022-03-15 | 三恵技研工業株式会社 | バッテリー熱交換構造 |
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US20220393260A1 (en) | 2022-12-08 |
CN114730937A (zh) | 2022-07-08 |
WO2021106343A1 (ja) | 2021-06-03 |
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