JP7476792B2 - 蓄電装置 - Google Patents
蓄電装置 Download PDFInfo
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- JP7476792B2 JP7476792B2 JP2020508166A JP2020508166A JP7476792B2 JP 7476792 B2 JP7476792 B2 JP 7476792B2 JP 2020508166 A JP2020508166 A JP 2020508166A JP 2020508166 A JP2020508166 A JP 2020508166A JP 7476792 B2 JP7476792 B2 JP 7476792B2
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Description
[1 蓄電装置10の全般的な説明]
まず、蓄電装置10の構成について、説明する。図1は、本実施の形態に係る蓄電装置10の外観を示す斜視図である。図2は、本実施の形態に係る蓄電装置10を分解した場合の各構成要素を示す分解斜視図である。
次に、蓄電素子100の構成について、詳細に説明する。図3は、本実施の形態に係る蓄電素子100の構成を示す斜視図である。
次に、スペーサ200の構成について、詳細に説明する。図4は、本実施の形態に係るスペーサ200の構成を示す斜視図及び断面図である。具体的には、図4の(a)は、スペーサ200を分解して各構成要素を接合部材510とともに示す斜視図である。図4の(b)は、図4の(a)のスペーサ200の第二部材210をIVbc-IVbc線で切断した場合における上部(Z軸プラス方向側の部位)の構成を示す断面図であり、図4の(c)は、下部(Z軸マイナス方向側の部位)の構成を示す断面図である。図4の(b)及び図4の(c)では、説明の便宜のため、第二部材210以外の構成要素も破線で示している。
次に、スペーサ300の構成について、詳細に説明する。図5は、本実施の形態に係るスペーサ300の構成を示す斜視図及び断面図である。具体的には、図5の(a)は、図2におけるY軸プラス方向側のスペーサ300を接合部材520及び530とともに示す斜視図である。図5の(b)は、図5の(a)のスペーサ300をVbc-Vbc線で切断した場合における上部(Z軸プラス方向側の部位)の構成を示す断面図であり、図5の(c)は、下部(Z軸マイナス方向側の部位)の構成を示す断面図である。図5の(b)及び図5の(c)では、説明の便宜のため、接合部材520及び530についても破線で示している。図2におけるY軸マイナス方向側のスペーサ300も、同様の構成を有している。
次に、インシュレータ600の構成について、詳細に説明する。図6は、本実施の形態に係るインシュレータ600の構成を示す斜視図及び平面図である。具体的には、図6の(a)は、図2におけるX軸プラス方向側のインシュレータ600を示す斜視図であり、図6の(b)は、図6の(a)のインシュレータ600を裏側から見た場合の構成を示す斜視図である。図6の(c)は、図6の(a)の破線で囲った部分を拡大して示す拡大斜視図である。図6の(d)は、図6の(b)のインシュレータ600のY軸マイナス方向側かつZ軸プラス方向側の端部を、X軸マイナス方向側から見た場合の構成を拡大して示す平面図である。図2におけるX軸マイナス方向側のインシュレータ600も、同様の構成を有している。
次に、サイドプレート700の構成について、詳細に説明する。図7は、本実施の形態に係るサイドプレート700の構成を示す斜視図である。具体的には、図7の(a)は、図2におけるX軸プラス方向側のサイドプレート700を示す斜視図であり、図7の(b)は、図7の(a)のサイドプレート700を裏側から見た場合の構成を示す斜視図である。図2におけるX軸マイナス方向側のサイドプレート700も、同様の構成を有している。
次に、蓄電素子100、スペーサ200、300、エンド部材400、インシュレータ600、及び、サイドプレート700の位置関係について、詳細に説明する。図8は、本実施の形態に係る蓄電素子100、スペーサ200、300、エンド部材400、インシュレータ600、及び、サイドプレート700の位置関係を示す平面図及び断面図である。具体的には、図8の(a)は、上記構成要素のY軸マイナス方向側をZ軸プラス方向から見た場合の平面図であり、図8の(b)は、図8の(a)の各構成要素のX軸マイナス方向側かつZ軸プラス方向側の部位の断面図である。各構成要素のX軸プラス方向側の部位とX軸マイナス方向側の部位とは同様の構成を有し、Y軸プラス方向側の部位とY軸マイナス方向側の部位とは同様の構成を有している。以下についても同様である。
以上のように、本実施の形態に係る蓄電装置10によれば、蓄電素子100は、電極端子120が配置される容器第一面112aと、容器第一面112aに隣接し且つ第二方向(X軸方向)側の容器第二面111aと、容器第一面112aから突出する凸部(ガスケット121)とを有し、スペーサ200、300は、容器第二面111aに対向する部位を有することなく、当該凸部の第二方向側に対向し且つ当該凸部に沿って突出する第一突起213、320を有している。このように、スペーサ200、300に、蓄電素子100の当該凸部に沿って突出する第一突起213、320を形成することで、蓄電素子100の側面を挟み込むような部位をスペーサ200、300に設けることなく、蓄電素子100とスペーサ200、300との位置決めを行うことができる。これにより、蓄電装置10の幅が大きくなるのを抑制でき、蓄電装置10の小型化を図ることができる。
以上、本実施の形態に係る蓄電装置10について説明したが、本発明は、上記実施の形態に限定されない。つまり、今回開示された実施の形態は全ての点で例示であって制限的なものではなく、本発明の範囲は請求の範囲によって示され、請求の範囲と均等の意味及び範囲内での全ての変更が含まれる。
100 蓄電素子
110 容器
111a 容器第二面
111b 容器第三面
111c 容器第四面
111d 容器角部
112a 容器第一面
115 接合部
120 電極端子
121 ガスケット
200、300 スペーサ
201 第一部材
210 第二部材
211、310 本体部
211a、311 スペーサ第一面
211b、312b 接合突出部
211c 第一凹部
211d 挟込部
211e 第二凹部
211f、313 スペーサ第二面
212 開口部
213、320 第一突起
214、330 第二突起
214a 凸部
214b、331、332 凹部
215、340 第三突起
221 係合部
240、510、520、530 接合部材
312 第一突出部
312a 中央突出部
600 インシュレータ
Claims (7)
- 蓄電素子と、第一方向において前記蓄電素子に隣接して、配置される第一スペーサとを備える蓄電装置であって、
前記蓄電素子は、電極端子が配置される第一面と、前記第一面に隣接し且つ前記第一方向に交差する第二方向側の第二面と、前記第一面から突出する凸部と、を有し、
前記第一スペーサは、前記第二面に対向する部位を有することなく、前記第二方向において前記凸部に対向し且つ前記凸部に沿って突出する第一突起を有し、
前記第一方向は、前記蓄電素子と前記第一スペーサとの並び方向であり、
前記第二方向は、前記第一方向と交差する方向であって、前記第二面が向く方向であり、
前記第二方向における前記第一スペーサの最大の幅は、前記第二方向における前記蓄電素子の最大の幅よりも小さい
蓄電装置。 - 前記第一突起は、前記凸部に沿って長尺状に延設され、
前記第二方向における前記第一突起の幅は、前記第一方向における前記第一突起の幅よりも小さい
請求項1に記載の蓄電装置。 - 前記第一スペーサは、前記第二方向に突出し、前記第二方向の端面が凹んだ第二突起をさらに有し、
前記第一方向における前記第一突起の幅は、前記第二方向における前記第二突起の幅よりも大きい
請求項1または2に記載の蓄電装置。 - 前記第一突起の突出量は、前記第一面の前記第一方向における幅の半分よりも小さい
請求項1~3のいずれか1項に記載の蓄電装置。 - さらに、前記第一スペーサとで前記蓄電素子を挟む第二スペーサを備え、
前記第二スペーサは、前記第二面に対向する部位を有することなく、前記第二方向において前記凸部に対向し且つ前記凸部に沿って突出する他の第一突起を有する
請求項1~4のいずれか1項に記載の蓄電装置。 - 前記蓄電素子は、2つの前記凸部を有し、
前記第一スペーサは、前記2つの凸部の間、または、前記2つの凸部を挟む位置に、前記2つの凸部に沿って配置される2つの前記第一突起を有する
請求項1~5のいずれか1項に記載の蓄電装置。 - 前記凸部は、前記第一面に配置される前記電極端子、または、前記電極端子と前記蓄電素子の容器との間に配置されるガスケットであり、
前記第一突起は、前記電極端子または前記ガスケットに沿って突出する
請求項1~6のいずれか1項に記載の蓄電装置。
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