JP2002151025A - Assembled battery pack - Google Patents
Assembled battery packInfo
- Publication number
- JP2002151025A JP2002151025A JP2000341018A JP2000341018A JP2002151025A JP 2002151025 A JP2002151025 A JP 2002151025A JP 2000341018 A JP2000341018 A JP 2000341018A JP 2000341018 A JP2000341018 A JP 2000341018A JP 2002151025 A JP2002151025 A JP 2002151025A
- Authority
- JP
- Japan
- Prior art keywords
- assembled battery
- battery pack
- flow path
- exhaust
- exhaust gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、集合電池パックに
関し、詳しくは、内部のガスを排気可能な排ガス弁が上
部に取り付けられた単電池を複数積層してなる集合電池
を有する集合電池パックに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembled battery pack, and more particularly, to an assembled battery pack having an assembled battery formed by stacking a plurality of unit cells each having an exhaust gas valve capable of exhausting gas therein. .
【０００２】[0002]
【従来の技術】従来、この種の集合電池パックとして
は、単電池を複数積層してなる集合電池の締結用のステ
ー内に各単電池からのガスの排気流路を形成するものが
提案されている（例えば特開平９−２８３１０６号公報
など）。この集合電池パックでは、上部の両端に電極を
配置すると共に上部の中央に排ガス弁を配置した単電池
をバッテリボックスに配列し、バッテリボックスに橋架
されて各単電池を締結するステーを排ガス弁に整合する
よう取り付けている。そして、ステーの内部を排ガスを
積層方向に排気する排気流路としている。2. Description of the Related Art Heretofore, as an assembled battery pack of this type, there has been proposed an assembled battery pack in which a gas exhaust flow path from each unit cell is formed in a fastening stay of the unit cell formed by stacking a plurality of unit cells. (Eg, Japanese Patent Application Laid-Open No. 9-283106). In this assembled battery pack, the cells arranged with electrodes on both ends of the upper part and the exhaust gas valve in the center of the upper part are arranged in a battery box, and a stay that is bridged by the battery box and fastens each cell is provided on the exhaust gas valve. Installed to match. The inside of the stay is an exhaust passage for exhausting exhaust gas in the stacking direction.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、こうし
た集合電池パックでは、集合電池の上部の中央に排気流
路を形成すると共に各単電池を締結するステーを配置す
るから、集合電池を冷却するための積層方向に沿った冷
却風の流路を集合電池の上部に形成するのは困難であ
る。このため、集合電池の側面に冷却風の流路を形成す
ることになるが、これは集合電池パックを構成する部品
点数の増加に繋がり、組み付け工数が増加してしまう。However, in such an assembled battery pack, an exhaust passage is formed in the center of the upper part of the assembled battery and a stay for fastening each unit cell is arranged. It is difficult to form a cooling air flow path along the stacking direction above the assembled battery. For this reason, a cooling air flow path is formed on the side surface of the assembled battery, but this leads to an increase in the number of components constituting the assembled battery pack, which increases the number of assembling steps.
【０００４】本発明の集合電池パックは、積層方向に沿
った排気流路と通風抵抗の少ない積層方向に沿った冷却
風の流路を集合電池の上部に形成することを目的の一つ
とする。また、本発明の集合電池パックは、集合電池パ
ックを構成する部品点数を少なくして組み付け工数を少
なくすることを目的の一つとする。An object of the battery pack of the present invention is to form an exhaust passage along the stacking direction and a cooling air passage along the stacking direction with low ventilation resistance at the top of the battery pack. Another object of the battery pack of the present invention is to reduce the number of parts constituting the battery pack to reduce the number of assembly steps.
【０００５】[0005]
【課題を解決するための手段およびその作用・効果】本
発明の集合電池パックは、上述の目的の少なくとも一部
を達成するために以下の手段を採った。Means for Solving the Problems and Their Functions and Effects The battery pack of the present invention employs the following means to achieve at least a part of the above object.
【０００６】本発明の集合電池パックは、内部のガスを
排気可能な排ガス弁が上部に取り付けられた単電池を複
数積層してなる集合電池を有する集合電池パックであっ
て、前記集合電池の上部に配置され、該集合電池とによ
り積層方向に沿った冷却風の流路を形成する上部カバー
と、前記集合電池を構成する各単電池の排ガス弁に整合
する位置に配置されると共に前記上部カバーと前記集合
電池とに当接し、該排ガス弁から排出されるガスを積層
方向に沿って排出する排気流路を形成する排気流路形成
部材とを備えることを要旨とする。The battery pack of the present invention is a battery pack having a battery stack comprising a plurality of unit cells each having an exhaust gas valve capable of exhausting internal gas mounted on the battery pack. An upper cover that forms a flow path for cooling air along the stacking direction with the assembled battery; and an upper cover that is arranged at a position matching an exhaust gas valve of each unit cell that constitutes the assembled battery. And an exhaust flow path forming member that forms an exhaust flow path that is in contact with the assembled battery and that discharges gas discharged from the exhaust gas valve along the stacking direction.
【０００７】この本発明の集合電池パックでは、集合電
池の上部に配置される上部カバーを取り付けることによ
り、上部カバーと集合電池とにより積層方向に沿った冷
却風の流路を形成し、排気流路形成部材を集合電池を構
成する各単電池の排ガス弁に整合する位置に上部カバー
と集合電池とに当接するよう配置することにより、排ガ
ス弁から排出されるガスを積層方向に沿って排出する排
気流路を形成する。即ち、集合電池の上部に積層方向に
沿った冷却風の流路と排気流路とを形成することができ
る。In the battery pack of the present invention, a cooling air flow path is formed along the stacking direction by the upper cover and the battery pack by attaching an upper cover disposed above the battery pack. By arranging the path forming member so as to abut the upper cover and the assembled battery at a position matching the exhaust gas valve of each unit cell constituting the assembled battery, the gas exhausted from the exhaust gas valve is exhausted in the stacking direction. An exhaust passage is formed. That is, a cooling air flow path and an exhaust flow path along the stacking direction can be formed on the upper part of the battery pack.
【０００８】こうした本発明の集合電池パックにおい
て、前記単電池は上部の少なくとも一端に前記排ガス弁
が配置されてなり、前記排気流路形成部材は前記集合電
池の上部の端部に配置されてなるものとすることもでき
る。こうすれば、集合電池の上部の大半を冷却風の流路
とすることができるから、通風抵抗の少ない冷却風の流
路とすることができる。In the battery pack of the present invention, the unit cell has the exhaust gas valve disposed at at least one upper end, and the exhaust passage forming member is disposed at the upper end of the battery pack. It can also be. By doing so, most of the upper part of the battery pack can be used as a flow path for the cooling air, so that a flow path for the cooling air with low ventilation resistance can be obtained.
【０００９】この排ガス弁を上部の端部に配置した単電
池を積層してなる態様の本発明の集合電池パックにおい
て、前記集合電池は前記排ガス弁が左右交互に上部の端
部に配置されるよう前記単電池を複数積層してなり、前
記排気流路形成部材は前記集合電池の上部の両端部に各
々配置される二つの部材からなるものとすることもでき
る。こうすれば、集合電池の上部の両端部に排気流路を
形成し、その間の中央部に冷却風の流路を形成すること
ができる。[0009] In the battery pack of the present invention in which the unit cells in which the exhaust valves are arranged at the upper end are stacked, the exhaust valves are alternately arranged at the upper end of the assembled battery. As described above, a plurality of the unit cells may be stacked, and the exhaust passage forming member may include two members disposed at both ends of an upper portion of the assembled battery. In this case, exhaust flow paths can be formed at both ends of the upper portion of the battery pack, and a flow path for cooling air can be formed at the center between them.
【００１０】また、排ガス弁を上部の端部に配置した単
電池を積層してなる態様の本発明の集合電池パックにお
いて、前記排気流路形成部材は前記冷却風の流路をシー
ルする部材であるものとすることもできる。こうすれ
ば、別個のシール部材を必要としないから、集合電池パ
ックを構成する部品点数を少なくすることができ、この
結果、集合電池パックの組み付け工数を少なくすること
ができる。[0010] In the battery pack of the present invention in which the unit cells in which the exhaust gas valve is disposed at the upper end are stacked, the exhaust passage forming member is a member for sealing the cooling air passage. It can be. This eliminates the need for a separate sealing member, so that the number of components constituting the assembled battery pack can be reduced, and as a result, the number of steps for assembling the assembled battery pack can be reduced.
【００１１】[0011]
【発明の実施の形態】次に、本発明の実施の形態を実施
例を用いて説明する。図１は本発明の一実施例である集
合電池パック２０の構成の概略を示す分解斜視図であ
り、図２は実施例の集合電池パック２０の断面の一部を
例示する部分断面図である。Next, embodiments of the present invention will be described with reference to examples. FIG. 1 is an exploded perspective view schematically showing a configuration of a battery pack 20 according to one embodiment of the present invention, and FIG. 2 is a partial cross-sectional view illustrating a part of a cross section of the battery pack 20 of the embodiment. .
【００１２】実施例の集合電池パック２０は、図示する
ように、上部の一端に排ガス弁２４ａ，２４ｂが取り付
けられた充放電可能な単電池２２ａ，２２ｂを交互に積
層してなる集合電池２１と、この集合電池２１の上部に
覆うように取り付けられる上部カバー３０と、各単電池
２２ａ，２２ｂの排ガス弁２４ａ，２４ｂに整合する位
置に集合電池２１と上部カバー３０とに当接するよう配
置された排気流路形成部材４０ａ，４０ｂとを備える。As shown in the drawing, the battery pack 20 of the embodiment has a battery pack 21 formed by alternately stacking chargeable / dischargeable cells 22a and 22b each having an exhaust gas valve 24a and 24b attached to one upper end. The upper cover 30 is attached so as to cover the upper part of the assembled battery 21, and is disposed at a position matching the exhaust gas valves 24 a and 24 b of the unit cells 22 a and 22 b so as to contact the assembled battery 21 and the upper cover 30. Exhaust flow path forming members 40a and 40b.
【００１３】上部カバー３０は、上部の内側で排気流路
形成部材４０ａ，４０ｂと当接する両角部３２ａ，３２
ｂの間の中央部に集合電池２１の積層方向に沿った膨ら
みをもつ流路形成部３４が形成されており、集合電池２
１に取り付けられたときに、図２に示すように、集合電
池２１の上部に積層方向に沿った冷却風の流路３６を形
成する。The upper cover 30 has two corners 32a, 32 that contact the exhaust flow path forming members 40a, 40b inside the upper part.
b, a flow path forming portion 34 having a swelling along the stacking direction of the battery pack 21 is formed in the central portion between the battery packs 2.
2, the cooling air flow path 36 is formed in the upper part of the assembled battery 21 along the stacking direction, as shown in FIG.
【００１４】排気流路形成部材４０ａ，４０ｂは、弾性
材料、例えばＥＰＤＭなどのゴムにより樋状に形成され
ており、その底部４２ａ，４２ｂには単電池２２ａ，２
２ｂの排ガス弁２４ａ，２４ｂを貫通する複数の貫通孔
４４ａ，４４ｂが排ガス弁２４ａ，２４ｂに整合する位
置に形成されている。排気流路形成部材４０ａ，４０ｂ
は、図２に示すように、集合電池２１と上部カバー３０
とに当接して冷却風の流路３６をシールすると共にその
開口部４６ａ，４６ｂが上部カバー３０の角部３２ａ，
３２ｂの内側に押し付けられて排ガス弁２４ａ，２４ｂ
からのガスを積層方向に沿って排気する排気流路４８
ａ，４８ｂを形成する。The exhaust flow path forming members 40a and 40b are formed in a gutter shape using an elastic material, for example, rubber such as EPDM, and the unit cells 22a and 2b are formed at the bottoms 42a and 42b.
A plurality of through holes 44a, 44b penetrating the exhaust gas valves 24a, 24b of 2b are formed at positions matching the exhaust gas valves 24a, 24b. Exhaust flow path forming members 40a, 40b
Is, as shown in FIG.
To seal the cooling air flow path 36 and the openings 46a and 46b are formed in the corners 32a,
32b, the exhaust gas valves 24a, 24b
Exhaust passage 48 for exhausting gas from the air along the stacking direction
a, 48b are formed.
【００１５】以上説明した実施例の集合電池パック２０
によれば、上部の一端に排ガス弁２４ａ，２４ｂが取り
付けられた単電池２２ａ，２２ｂを交互に積層して集合
電池２１を構成すると共に上部カバー３０と集合電池２
１とに当接するよう排気流路形成部材４０ａ，４０ｂを
配置して排気流路４８ａ，４８ｂを形成することによ
り、集合電池２１の上部に通風抵抗の少ない積層方向に
沿った冷却風の流路３６と排気流路４８ａ，４８ｂとを
形成することができる。しかも、排気流路形成部材４０
ａ，４０ｂにより冷却風の流路３６をシールするから、
別にシール部材を用いる必要がない。この結果、集合電
池パック２０を構成する部品点数を少なくすることがで
き、集合電池パック２０の組み付け工数を少なくするこ
とができる。The battery pack 20 of the embodiment described above
According to the present invention, unit cells 22a and 22b having exhaust gas valves 24a and 24b attached to one end of the upper part are alternately stacked to form the assembled battery 21 and the upper cover 30 and the assembled battery 2
By disposing the exhaust flow path forming members 40a and 40b so as to contact with the first and second exhaust gas flow paths 1 and 2, the exhaust flow paths 48a and 48b are formed. 36 and the exhaust passages 48a and 48b can be formed. Moreover, the exhaust passage forming member 40
a, 40b seals the cooling air flow path 36,
There is no need to use a separate sealing member. As a result, the number of components constituting the assembled battery pack 20 can be reduced, and the number of assembling steps of the assembled battery pack 20 can be reduced.
【００１６】実施例の集合電池パック２０では、上部の
一端に排ガス弁２４ａ，２４ｂが取り付けられた単電池
２２ａ，２２ｂを交互に積層して集合電池２１を構成し
たが、上部の両端に排ガス弁が取り付けられた単電池を
積層して集合電池を構成するものとしてもよい。また、
上部の一端に排ガス弁が取り付けられた単電池を排ガス
弁が一列に並ぶように積層して集合電池を構成するもの
としてもよい。この場合、上部の他端には、シール部材
を用いて冷却風の流路３６をシールするものとすればよ
い。In the assembled battery pack 20 of the embodiment, the assembled batteries 21 are formed by alternately stacking the unit cells 22a and 22b having the exhaust gas valves 24a and 24b attached to one end of the upper part. May be configured by stacking unit cells to which a battery is attached. Also,
A unit cell having an exhaust gas valve attached to one end of the upper portion may be stacked so that the exhaust gas valves are arranged in a line to form a collective battery. In this case, the other end of the upper portion may seal the cooling air flow path 36 using a sealing member.
【００１７】実施例の集合電池パック２０では、上部の
一端に排ガス弁２４ａ，２４ｂが取り付けられた単電池
２２ａ，２２ｂを交互に積層して集合電池２１を構成し
たが、排ガス弁の位置は端部に限られず、一列あるいは
二列以上に並ぶように配置すれば如何なる位置に配置し
てもかまわない。In the assembled battery pack 20 of the embodiment, the assembled batteries 21 are formed by alternately stacking the unit cells 22a and 22b having the exhaust gas valves 24a and 24b attached to one end of the upper part. The arrangement is not limited to the part, and the arrangement may be made at any position as long as they are arranged in one or more rows.
【００１８】実施例の集合電池パック２０では、排気流
路形成部材４０ａ，４０ｂにより冷却風の流路３６をシ
ールするものとしたが、シールしないものとしても差し
支えない。In the assembled battery pack 20 of the embodiment, the cooling air flow path 36 is sealed by the exhaust flow path forming members 40a and 40b, but may not be sealed.
【００１９】実施例の集合電池パック２０では、排気流
路形成部材４０ａ，４０ｂを樋状に形成したが、図３の
変形例の排気流路形成部材１４０に示すように、管状に
形成するものとしてもよい。In the assembled battery pack 20 of the embodiment, the exhaust passage forming members 40a and 40b are formed in a gutter shape. However, as shown in the modified exhaust passage forming member 140 of FIG. It may be.
【００２０】以上、本発明の実施の形態について実施例
を用いて説明したが、本発明はこうした実施例に何等限
定されるものではなく、本発明の要旨を逸脱しない範囲
内において、種々なる形態で実施し得ることは勿論であ
る。The embodiments of the present invention have been described with reference to the embodiments. However, the present invention is not limited to these embodiments, and various embodiments may be made without departing from the scope of the present invention. Of course, it can be carried out.
【図１】 本発明の一実施例である集合電池パック２０
の構成の概略を示す分解斜視図である。FIG. 1 shows an assembled battery pack 20 according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view schematically showing the configuration of FIG.
【図２】 実施例の集合電池パック２０の断面の一部を
例示する部分断面図である。FIG. 2 is a partial cross-sectional view illustrating a part of a cross section of the assembled battery pack 20 of the embodiment.
【図３】 変形例の排気流路形成部材１４０の構成の概
略を示す断面図である。FIG. 3 is a cross-sectional view schematically illustrating a configuration of an exhaust passage forming member 140 according to a modified example.
２０ 集合電池パック、２１ 集合電池、２２ａ，２２
ｂ 単電池、２４ａ，２４ｂ 排ガス弁、３０ 上部カ
バー、３２ａ，３２ｂ 角部、３４ 流路形成部、３６
冷却風の流路、４０ａ，４０ｂ，１４０ 排気流路形
成部材、４２ａ，４２ｂ 底部、４４ａ，４４ｂ 貫通
孔、４６ａ，４６ｂ 開口部、４８ａ，４８ｂ 排気流
路。20 battery pack, 21 battery pack, 22a, 22
b unit cell, 24a, 24b exhaust gas valve, 30 upper cover, 32a, 32b corner, 34 flow path forming part, 36
Cooling air flow path, 40a, 40b, 140 exhaust flow path forming member, 42a, 42b bottom, 44a, 44b through hole, 46a, 46b opening, 48a, 48b exhaust flow path.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 鈴木 晃 愛知県西春日井郡春日町大字落合字長畑１ 番地 豊田合成株式会社内 Ｆターム(参考） 5H040 AA33 AT02 AY05 AY08 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Akira Suzuki 1 Ogataai Ogata, Kasuga-cho, Nishi-Kasugai-gun, Aichi F-term within Toyota Gosei Co., Ltd. (Reference) 5H040 AA33 AT02 AY05 AY08
Claims (4)
に取り付けられた単電池を複数積層してなる集合電池を
有する集合電池パックであって、 前記集合電池の上部に配置され、該集合電池とにより積
層方向に沿った冷却風の流路を形成する上部カバーと、 前記集合電池を構成する各単電池の排ガス弁に整合する
位置に配置されると共に前記上部カバーと前記集合電池
とに当接し、該排ガス弁から排出されるガスを積層方向
に沿って排出する排気流路を形成する排気流路形成部材
とを備える集合電池パック。1. An assembled battery pack having an assembled battery in which a plurality of unit cells each having an exhaust gas valve capable of exhausting an internal gas mounted thereon are stacked. An upper cover that forms a flow path of cooling air along the stacking direction by the battery; and an upper cover that is disposed at a position matching an exhaust gas valve of each unit cell that constitutes the assembled battery and the upper cover and the assembled battery. An exhaust flow path forming member that forms an exhaust flow path that abuts and discharges gas discharged from the exhaust gas valve along the stacking direction.
て、 前記単電池は、上部の少なくとも一端に前記排ガス弁が
配置されてなり、 前記排気流路形成部材は、前記集合電池の上部の端部に
配置されてなる集合電池パック。2. The assembled battery pack according to claim 1, wherein the exhaust gas valve is disposed at at least one end of an upper portion of the unit cell, and the exhaust passage forming member is provided at an upper portion of the assembled battery. An assembled battery pack arranged at the end.
て、 前記集合電池は、前記排ガス弁が左右交互に上部の端部
に配置されるよう前記単電池を複数積層してなり、 前記排気流路形成部材は、前記集合電池の上部の両端部
に各々配置される二つの部材からなる集合電池パック。3. The assembled battery pack according to claim 2, wherein the assembled battery is formed by stacking a plurality of the unit cells such that the exhaust gas valves are alternately arranged at the upper end portion on the left and right sides. A battery pack comprising two members disposed at both ends of the upper portion of the battery pack, wherein the flow path forming member is provided.
流路をシールする部材である請求項２または３記載の集
合電池パック。4. The assembled battery pack according to claim 2, wherein the exhaust passage forming member seals the cooling air passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000341018A JP2002151025A (en) | 2000-11-08 | 2000-11-08 | Assembled battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000341018A JP2002151025A (en) | 2000-11-08 | 2000-11-08 | Assembled battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002151025A true JP2002151025A (en) | 2002-05-24 |
Family
ID=18815828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000341018A Pending JP2002151025A (en) | 2000-11-08 | 2000-11-08 | Assembled battery pack |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002151025A (en) |
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