JP2016048622A5 - - Google Patents
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- JP2016048622A5 JP2016048622A5 JP2014172852A JP2014172852A JP2016048622A5 JP 2016048622 A5 JP2016048622 A5 JP 2016048622A5 JP 2014172852 A JP2014172852 A JP 2014172852A JP 2014172852 A JP2014172852 A JP 2014172852A JP 2016048622 A5 JP2016048622 A5 JP 2016048622A5
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- Prior art keywords
- end plate
- plate
- battery cells
- bolt
- diameter
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- 230000005489 elastic deformation Effects 0.000 claims 2
- 230000000452 restraining Effects 0.000 claims 2
Claims (5)
前記複数の電池セルを並設方向の両側から挟持する第１エンドプレート及び第２エンドプレートと、を備えた電池モジュールであって、
前記第１エンドプレートと該第１エンドプレートに隣り合う前記電池セルとの間には、前記電池セルの膨張に伴い前記並設方向に移動可能な中間プレートと、
前記中間プレートと前記第１エンドプレートとの間に設けられるとともに、前記電池セルの膨張に伴う前記中間プレートの移動によって押圧されて弾性変形する弾性部材と、を備え、
前記中間プレートは、前記第１エンドプレートに保持された支持部材によって前記並設方向に直交する方向に支持されており、
前記支持部材は、前記第１エンドプレート、前記第２エンドプレート、及び前記中間プレートを挿通するとともに前記第１エンドプレート及び前記第２エンドプレートに前記複数の電池セルを前記並設方向の両側から拘束する拘束荷重を加えているボルトであり、
前記第１エンドプレート、前記第２エンドプレート及び前記中間プレートは、前記ボルトが前記並設方向に挿通されるボルト孔を有し、
前記第１エンドプレートには、前記第１エンドプレートに対する前記ボルトの位置を固定する位置決め板が固定され、
前記位置決め板は、前記ボルトが挿通されるとともに、前記第１エンドプレートの前記ボルト孔の直径よりも直径の小さい小孔を有する電池モジュール。 A plurality of battery cells arranged side by side;
A first end plate and a second end plate for sandwiching the plurality of battery cells from both sides in the juxtaposition direction, and a battery module comprising:
Between the first end plate and the battery cells adjacent to the first end plate, an intermediate plate movable in the juxtaposition direction as the battery cells expand,
An elastic member provided between the intermediate plate and the first end plate, and elastically deformed by being pressed by the movement of the intermediate plate accompanying the expansion of the battery cell,
The intermediate plate is supported in a direction orthogonal to the juxtaposed direction by a support member held by the first end plate ,
The support member is inserted through the first end plate, the second end plate, and the intermediate plate, and the plurality of battery cells are inserted into the first end plate and the second end plate from both sides of the juxtaposed direction. It is a bolt applying a restraining load to restrain,
The first end plate, the second end plate, and the intermediate plate have bolt holes through which the bolts are inserted in the juxtaposed direction,
A positioning plate for fixing the position of the bolt with respect to the first end plate is fixed to the first end plate,
The positioning plate has a small hole having a diameter smaller than a diameter of the bolt hole of the first end plate while the bolt is inserted therethrough.
前記ボルトは、頭部と、前記頭部から延びる円筒部と、前記円筒部よりも先端側に設けられたネジ部とを有し、 The bolt has a head, a cylindrical portion extending from the head, and a screw portion provided on the tip side of the cylindrical portion,
前記ボルトは、前記第１エンドプレートから前記第２エンドプレートに向けて挿通されるとともに、前記第１エンドプレートから前記中間プレートを挿通する位置に至るまで前記円筒部が位置している請求項１に記載の電池モジュール。 The bolt is inserted from the first end plate toward the second end plate, and the cylindrical portion is located from the first end plate to a position where the intermediate plate is inserted. The battery module described in 1.
前記第２エンドプレートの前記ボルト孔の直径は、前記円筒部の直径よりも小さく、前記ネジ部の直径よりも大きい請求項２に記載の電池モジュール。 The battery module according to claim 2, wherein a diameter of the bolt hole of the second end plate is smaller than a diameter of the cylindrical portion and larger than a diameter of the screw portion.
前記複数の電池セルを並設方向の両側から挟持する第１エンドプレート及び第２エンドプレートと、を備えた電池モジュールであって、 A first end plate and a second end plate for sandwiching the plurality of battery cells from both sides in the juxtaposition direction, and a battery module comprising:
前記第１エンドプレートと該第１エンドプレートに隣り合う前記電池セルとの間には、前記電池セルの膨張に伴い前記並設方向に移動可能な中間プレートと、 Between the first end plate and the battery cells adjacent to the first end plate, an intermediate plate movable in the juxtaposition direction as the battery cells expand,
前記中間プレートと前記第１エンドプレートとの間に設けられるとともに、前記電池セルの膨張に伴う前記中間プレートの移動によって押圧されて弾性変形する弾性部材と、を備え、 An elastic member provided between the intermediate plate and the first end plate, and elastically deformed by being pressed by the movement of the intermediate plate accompanying the expansion of the battery cell,
前記中間プレートは、前記第１エンドプレートに保持された支持部材によって前記並設方向に直交する方向に支持されており、 The intermediate plate is supported in a direction orthogonal to the juxtaposed direction by a support member held by the first end plate,
前記支持部材は、前記第１エンドプレート、前記第２エンドプレート、及び前記中間プレートを挿通するとともに前記第１エンドプレート及び前記第２エンドプレートに前記複数の電池セルを前記並設方向の両側から拘束する拘束荷重を加えているボルトであり、 The support member is inserted through the first end plate, the second end plate, and the intermediate plate, and the plurality of battery cells are inserted into the first end plate and the second end plate from both sides of the juxtaposed direction. It is a bolt applying a restraining load to restrain,
前記第１エンドプレート、前記第２エンドプレート及び前記中間プレートは、前記ボルトが前記並設方向に挿通されるボルト孔を有し、 The first end plate, the second end plate, and the intermediate plate have bolt holes through which the bolts are inserted in the juxtaposed direction,
前記第２エンドプレートは、前記第２エンドプレートと該第２エンドプレートに隣り合う前記電池セルとの間に、前記複数の電池セルの膨張を弾性変形により吸収する弾性部材を介することなく、前記第１エンドプレートとともに前記複数の電池セルを前記並設方向の両側から挟持し、 The second end plate is interposed between the second end plate and the battery cell adjacent to the second end plate without an elastic member that absorbs expansion of the plurality of battery cells by elastic deformation. Holding the plurality of battery cells together with the first end plate from both sides of the juxtaposed direction,
前記ボルトは、頭部と、前記頭部から延びる円筒部と、前記円筒部よりも先端側に設けられたネジ部とを有し、 The bolt has a head, a cylindrical portion extending from the head, and a screw portion provided on the tip side of the cylindrical portion,
前記ボルトは、前記第１エンドプレートから前記第２エンドプレートに向けて挿通されるとともに、前記第１エンドプレートから前記中間プレートを挿通する位置に至るまで前記円筒部が位置しており、 The bolt is inserted from the first end plate toward the second end plate, and the cylindrical portion is located from the first end plate to a position where the intermediate plate is inserted,
前記ボルトの前記ネジ部の直径は、前記円筒部の直径よりも小さく、 The diameter of the threaded portion of the bolt is smaller than the diameter of the cylindrical portion,
前記第２エンドプレートの前記ボルト孔の直径は、前記円筒部の直径よりも小さく、前記ネジ部の直径よりも大きい電池モジュール。 The battery module having a diameter of the bolt hole of the second end plate smaller than a diameter of the cylindrical portion and larger than a diameter of the screw portion.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014172852A JP6421497B2 (en) | 2014-08-27 | 2014-08-27 | Battery module |
| PCT/JP2015/062078 WO2015170581A1 (en) | 2014-05-07 | 2015-04-21 | Battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014172852A JP6421497B2 (en) | 2014-08-27 | 2014-08-27 | Battery module |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016048622A JP2016048622A (en) | 2016-04-07 |
| JP2016048622A5 true JP2016048622A5 (en) | 2017-10-05 |
| JP6421497B2 JP6421497B2 (en) | 2018-11-14 |
Family
ID=55649422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014172852A Expired - Fee Related JP6421497B2 (en) | 2014-05-07 | 2014-08-27 | Battery module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6421497B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6728586B2 (en) * | 2014-10-31 | 2020-07-22 | 株式会社豊田自動織機 | Battery module |
| CN109216600B (en) * | 2017-06-30 | 2021-09-03 | 比亚迪股份有限公司 | Battery module |
| KR102255495B1 (en) * | 2017-07-18 | 2021-05-24 | 주식회사 엘지에너지솔루션 | Battery module, battery pack and vehicle comprising the same |
| WO2019065033A1 (en) * | 2017-09-29 | 2019-04-04 | 三洋電機株式会社 | Power supply device |
| JP7010102B2 (en) * | 2018-03-22 | 2022-01-26 | トヨタ自動車株式会社 | All solid state battery |
| CN110323379B (en) * | 2018-03-30 | 2022-09-27 | 本田技研工业株式会社 | Battery module and method for manufacturing end plate |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012160347A (en) * | 2011-01-31 | 2012-08-23 | Sanyo Electric Co Ltd | Power supply and vehicle with power supply |
| WO2012131837A1 (en) * | 2011-03-25 | 2012-10-04 | 日立ビークルエナジー株式会社 | Battery block and power supply device |
| JP2013084444A (en) * | 2011-10-08 | 2013-05-09 | Sanyo Electric Co Ltd | Electric power supply apparatus and vehicle including the same |
| JP5930186B2 (en) * | 2012-05-09 | 2016-06-08 | 株式会社Ｇｓユアサ | Battery module |
-
2014
- 2014-08-27 JP JP2014172852A patent/JP6421497B2/en not_active Expired - Fee Related
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