JPH09237617A - Set battery - Google Patents
Set batteryInfo
- Publication number
- JPH09237617A JPH09237617A JP8041640A JP4164096A JPH09237617A JP H09237617 A JPH09237617 A JP H09237617A JP 8041640 A JP8041640 A JP 8041640A JP 4164096 A JP4164096 A JP 4164096A JP H09237617 A JPH09237617 A JP H09237617A
- Authority
- JP
- Japan
- Prior art keywords
- battery
- resin frame
- cell
- battery cells
- connection bar
- 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
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、複数の電池セルを
組み合わせてなる組電池に関する。TECHNICAL FIELD The present invention relates to an assembled battery formed by combining a plurality of battery cells.
【０００２】[0002]
【従来の技術】従来、渦巻き状の電極集合体を収容する
円筒電池や積層状の電極集合体を収容する角形電池から
なる複数の電池セルを樹脂フレームで一体化し、各電池
セルのターミナルをセル接続バーで接続して大容量の組
電池を構成することが行われている。2. Description of the Related Art Conventionally, a plurality of battery cells, which are a cylindrical battery containing a spiral electrode assembly and a prismatic battery containing a laminated electrode assembly, are integrated by a resin frame, and each battery cell terminal is connected to a cell. A large capacity battery pack is constructed by connecting with a connection bar.
【０００３】電池便覧（丸善株式会社）２７５ページに
は、互いに隣接する一組の電池セルを熱収縮チューブで
緊縛してからリード線で各電池セルのターミナルを接続
して組電池を構成する一重熱収縮チューブ型樹脂フレー
ム式固定方法、更にその上に熱収縮チューブを被せる二
重熱収縮チューブ型樹脂フレーム式固定方法、各電池セ
ルを一つの密閉ケースに嵌め込む密閉ケース型樹脂フレ
ーム式固定方法を記載している。On page 275 of the Battery Manual (Maruzen Co., Ltd.), a single battery is constructed by binding a set of battery cells adjacent to each other with a heat-shrinkable tube and then connecting the terminals of each battery cell with lead wires. Heat-shrinkable tube type resin frame type fixing method, double heat-shrinkable tube type resin frame type fixing method in which a heat shrinkable tube is further covered, and sealed case type resin frame type fixing method of fitting each battery cell into one sealed case Is described.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら上記した
従来の一重熱収縮チューブ型樹脂フレーム式固定方法で
は、セル接続バーやそれに接続される電池セルのターミ
ナルが露出してしまい、容量低下や安全性が問題となる
とともに、熱収縮チューブの耐衝撃強度に問題があっ
た。一方、二重熱収縮チューブ型樹脂フレーム式や密閉
ケース型樹脂フレーム式の固定方法を採用すれば、この
ような問題は改善されるが、工程が複雑化するという問
題が生じた。However, in the above-mentioned conventional single heat shrinkable tube type resin frame type fixing method, the cell connecting bar and the terminal of the battery cell connected thereto are exposed, resulting in a decrease in capacity and safety. In addition to the problem, there was a problem in the impact strength of the heat shrinkable tube. On the other hand, if a double heat-shrinkable tube type resin frame type or a closed case type resin frame type fixing method is adopted, such a problem is solved, but a problem that the process is complicated occurs.
【０００５】更に、上記した従来の各固定方法では、こ
れら樹脂フレームの被覆による電池セルの放熱抵抗の増
大により特に急速充電時における電池の温度上昇が大き
く、充電可能量が顕著に低下するという大きな問題があ
った。本発明は上記問題点に鑑みなされたものであり、
工程の増大や耐久性の低下を回避しつつ電池セルやセル
接続バーの良好な保護や固定を実現可能な組電池を提供
することをその第１の目的としている。Further, in each of the above-mentioned conventional fixing methods, the temperature rise of the battery is particularly large at the time of rapid charging due to the increase of the heat radiation resistance of the battery cell due to the coating of these resin frames, and the rechargeable amount is significantly reduced. There was a problem. The present invention has been made in view of the above problems,
It is a first object of the present invention to provide an assembled battery capable of realizing good protection and fixing of battery cells and cell connecting bars while avoiding an increase in the number of steps and a decrease in durability.
【０００６】また本発明は、電池セルの温度上昇を抑止
しつつ上記第１の目的を達成することをその第２の目的
としている。A second object of the present invention is to achieve the first object while suppressing the temperature rise of the battery cells.
【０００７】[0007]
【課題を解決するための手段】請求項１記載の手段によ
れば、各電池セルに装着されてそれらを一体に固定する
樹脂フレームが、各電池セルの前記ターミナル同士を接
続するセル接続バーを一体に内蔵するので、次の作用効
果を奏することができる。樹脂フレームを各電池セルに
装着するだけでセル接続バーと電池セルのターミナルと
の位置あわせ又は嵌合が同時に完了するので両者を接続
する作業を簡素化することができる。更に、セル接続バ
ーのかなりの表面が樹脂フレームに密着されるので、電
池セルの耐被水性の向上及び沿面放電の防止が実現す
る。According to a first aspect of the present invention, a resin frame mounted on each battery cell and integrally fixing them has a cell connection bar connecting the terminals of each battery cell. Since it is built in integrally, the following operational effects can be achieved. Only by mounting the resin frame on each battery cell, the cell connecting bar and the terminal of the battery cell can be aligned or fitted at the same time, so that the work of connecting the both can be simplified. Further, since a considerable surface of the cell connecting bar is brought into close contact with the resin frame, the water resistance of the battery cell is improved and the creeping discharge is prevented.
【０００８】請求項２記載の手段によれば、各電池セル
に装着されてそれらを一体に固定する樹脂フレームが、
隣接する各電池セルの周壁間の各間隙の熱せられた空気
を外部に排出するか又はこれら間隙に冷却空気を導入す
る空気通路を有するので、電池セルの温度上昇を抑止し
て充電時における満充電容量の増大や充放電時における
内部抵抗の低下による内部損失の低減を実現することが
でき、電池寿命の延長を図ることができる。なお、この
空気通路はダクトなどを通じて冷却ファンに接続する強
制冷却方式としてもよく、又は加熱された空気の比重低
下を利用する自然通風方式としてもよい。According to the second aspect, the resin frame mounted on each battery cell and integrally fixing them is
Since there is an air passage for discharging the heated air in each gap between the peripheral walls of the adjacent battery cells to the outside or introducing cooling air into these gaps, the temperature rise of the battery cells is suppressed and the battery cells are fully charged during charging. It is possible to realize an increase in charging capacity and a decrease in internal loss due to a decrease in internal resistance during charging and discharging, and it is possible to extend battery life. Note that this air passage may be of a forced cooling system in which it is connected to a cooling fan through a duct or the like, or may be of a natural ventilation system that utilizes a decrease in the specific gravity of heated air.
【０００９】請求項３記載の手段によれば、請求項１又
は２記載の手段において更に、隣接する一対の組電池の
ターミナル（エンドターミナル）を接続する組電池セル
接続バーが挿入される接続バー挿入孔又は接続バー挿入
溝が、樹脂フレームに形成されるので、複数の組電池を
組み合わせて更に電池の大容量化を図ることができる。According to a third aspect of the present invention, in the means according to the first or second aspect, a connecting bar into which an assembled battery cell connecting bar for connecting terminals (end terminals) of a pair of adjacent assembled batteries is inserted. Since the insertion hole or the connection bar insertion groove is formed in the resin frame, it is possible to further increase the capacity of the battery by combining a plurality of assembled batteries.
【００１０】請求項４記載の手段によれば、請求項１乃
至３記載の手段において更に、樹脂フレームがセル接続
バーを囲包して各電池セルに装着されるので、セル接続
バーは樹脂フレームによりほとんど被覆され、これによ
り耐被水性の向上や沿面放電の防止機能の一層の向上を
図ることができる。請求項５記載の手段によれば、請求
項４記載の手段において更に、樹脂フレームがセル接続
バーをターミナルに締結するための作業穴を有するの
で、上記作用効果を奏するにもかかわらずセル接続バー
の締結が容易となる。According to the means described in claim 4, in the means described in claims 1 to 3, the resin frame surrounds the cell connecting bar and is attached to each battery cell, so that the cell connecting bar is formed of the resin frame. Almost all of them are covered by this, whereby the water resistance and the creeping discharge prevention function can be further improved. According to the means described in claim 5, in the means described in claim 4, the resin frame further has a working hole for fastening the cell connecting bar to the terminal. Will be easier to conclude.
【００１１】請求項６記載の手段によれば、請求項５記
載の手段において更に、上記作業穴を締結後に埋め込み
樹脂により封止されるので、これにより耐被水性の向上
や沿面放電の防止機能の更なる向上を図ることができ
る。請求項７記載の手段によれば、請求項１ないし３の
いずれかに記載の手段において更に、樹脂フレームは、
各電池セルの端部が個別に嵌入される第１フレーム部及
び第２フレーム部とからなるので、樹脂フレームの軽量
化及び樹脂使用量の削減を図りつつ、各電池セル及びセ
ル接続バーの固定などの上述の効果を奏することができ
る。また、このようにすれば、電池セルの中央部は外気
に露出できるので、電池セルの放熱性を向上することが
できる。According to the means of claim 6, in the means of claim 5, the working hole is further sealed by the embedded resin after being fastened, so that the function of improving water resistance and preventing the creeping discharge can be achieved. Can be further improved. According to the means described in claim 7, in the means described in any one of claims 1 to 3, the resin frame further comprises:
Since the end portion of each battery cell is composed of the first frame portion and the second frame portion that are individually fitted, the weight of the resin frame and the amount of resin used are reduced, while fixing each battery cell and the cell connection bar. The above-described effects such as the above can be achieved. Further, in this way, the central portion of the battery cell can be exposed to the outside air, so that the heat dissipation of the battery cell can be improved.
【００１２】請求項８記載の手段によれば、請求項１な
いし３のいずれかに記載の手段において更に、樹脂フレ
ームは密閉箱形状を有するので、安全性の一層の向上を
図ることができる。なお、この実施例において、電池セ
ルの中央部に近接する樹脂フレームの周壁に空気流通用
の開口を多数開口すれば、冷却性の低下を低減すること
ができる。According to the means described in claim 8, in the means described in any one of claims 1 to 3, further, since the resin frame has a closed box shape, the safety can be further improved. In this embodiment, if a large number of openings for air circulation are formed in the peripheral wall of the resin frame adjacent to the central portion of the battery cell, the decrease in cooling performance can be reduced.
【００１３】[0013]
【発明の実施の形態】本発明の好適な実施の形態を以下
の実施例により説明する。BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described with reference to the following examples.
【００１４】[0014]
（実施例１）本発明の組電池の一実施例を図１〜図３を
参照して説明する。図１は平面図、図２は図１のＢ−Ｂ
線矢視断面図、図３は図１のＡ−Ａ線矢視断面図であ
る。１０〜１９は電池セルであって、それらの両端面が
それぞれ同一平面となる姿勢で、互いに一定間隔を隔て
て２行５列に配置されている。電池セル１０〜１９は円
筒電池であって、負極端子１０１を有して電槽を構成す
るニッケルメッキ鋼板製の缶体部１０２と、この缶体部
１０２の上端開口を密閉するニッケルメッキ鋼板製の蓋
から突設された正極端子１０３とを有し、上記蓋は樹脂
リングにより缶体部１０２から電気絶縁されている。各
電池セル１０〜１９は、隣接する電池セルに対して負極
端子１０１と正極端子１０３とが逆配置となる向きに配
置されている。(Embodiment 1) An embodiment of the assembled battery of the present invention will be described with reference to FIGS. 1 is a plan view, and FIG. 2 is BB of FIG.
FIG. 3 is a sectional view taken along the line AA of FIG. Numerals 10 to 19 are battery cells, which are arranged in 2 rows and 5 columns at regular intervals such that both end surfaces thereof are in the same plane. The battery cells 10 to 19 are cylindrical batteries, and are made of a nickel-plated steel plate body 102 having a negative electrode terminal 101 and forming a battery case, and a nickel-plated steel plate that seals the upper end opening of the can body portion 102. And a positive electrode terminal 103 protruding from the lid, and the lid is electrically insulated from the can body portion 102 by a resin ring. The battery cells 10 to 19 are arranged such that the negative electrode terminal 101 and the positive electrode terminal 103 are opposite to the adjacent battery cells.
【００１５】缶体部１０２の内部にはＫＯＨ水溶液から
なるアルカリ電解液及び電極集合体（図示せず）が収容
されており、電極集合体はイオン透過性及び電気絶縁性
のセパレ−タ（図示せず）を挟んで渦巻き状に作製され
たシ−ト状の正極及び負極（図示せず）からなる。正極
はニッケルからなる集電体としての発泡体に水酸化ニッ
ケルを充填、圧縮してなり、正極端子１０３に溶接され
ている。負極は、ＭｍＮｉ3.5 Ｃｏ0.7 Ａｌ0.8 の組成
の水素吸蔵合金粉末をＰＴＦＥディスパ−ジョンを加え
て混練りし、シ−ト状に予備成形した後、ニッケルエキ
スパンドメタルの両面に摂氏３００度、３００ｋｇ／ｃ
ｍ2 で圧着してなり、缶体部１０２の底に溶接されてい
る。Inside the can body 102, an alkaline electrolyte made of an aqueous KOH solution and an electrode assembly (not shown) are contained, and the electrode assembly is an ion-permeable and electrically insulating separator (see FIG. A sheet-like positive electrode and a negative electrode (not shown) that are formed in a spiral shape with a (not shown) in between. The positive electrode is formed by filling nickel hydroxide into a foamed body as a current collector made of nickel, compressing it, and welding the positive electrode terminal 103. The negative electrode was prepared by adding a hydrogen-dissipating alloy powder having a composition of MmNi 3.5 Co 0.7 Al 0.8 to a PTFE dispersion, kneading the mixture, and pre-forming it into a sheet shape. c
It is crimped by m 2 and is welded to the bottom of the can body 102.
【００１６】各缶体部１０２の上端部には厚板状の樹脂
フレーム（第１フレーム部）２が嵌め込まれ、各缶体部
１０２の下端部には厚板状の樹脂フレーム（第２フレー
ム部）３が嵌め込まれ、これにより各電池セル１０〜１
９が一体とされている。更に説明すると、樹脂フレーム
２の一端面には電池セル１０〜１９の缶体部１０２の上
端部が嵌め込まれる合計１０個の穴２１が開口され、樹
脂フレーム２の他端面には端子１０１、１０３に後述す
るセル接続バーを固定するための合計１０個の作業穴２
２が開口され、両穴２１、２２は連通穴２３により個別
に連通されている。穴２１は缶体部１０２の外径に略等
しい内径を有し、連通穴２３は負極端子１０１及び正極
端子１０３の外径に略等しい内径を有し、連通穴２３に
は負極端子１０１又は正極端子１０３が嵌め込まれてい
る。A thick plate-shaped resin frame (first frame portion) 2 is fitted in the upper end portion of each can body portion 102, and a thick plate-shaped resin frame (second frame portion) is fitted in the lower end portion of each can body portion 102. Part 3 is fitted, whereby each battery cell 10-1
9 are integrated. To explain further, a total of ten holes 21 into which the upper ends of the can bodies 102 of the battery cells 10 to 19 are fitted are opened on one end surface of the resin frame 2, and the terminals 101, 103 are formed on the other end surface of the resin frame 2. A total of 10 work holes 2 for fixing the cell connection bar described later.
2 is opened, and both holes 21 and 22 are individually connected by a communication hole 23. The hole 21 has an inner diameter substantially equal to the outer diameter of the can portion 102, the communication hole 23 has an inner diameter substantially equal to the outer diameters of the negative electrode terminal 101 and the positive electrode terminal 103, and the communication hole 23 has the negative electrode terminal 101 or the positive electrode. The terminal 103 is fitted.
【００１７】樹脂フレーム２には、その幅方向中央部に
位置して長手方向へ空気流通用の横孔（空気通路）２４
が形成され、横孔２４の一端は樹脂フレーム２の側面に
突出する筒部２４１に連通し、筒部２４１はファン２４
２の送気口に図示しないダクトにより連通している。ま
た、樹脂フレーム２には、隣接する４個の電池セルから
等しい距離に位置して縦孔（空気通路）２５が縦方向に
形成され、各縦孔２５の上端は横孔２４に連通し、それ
らの下端は隣接する４個の電池セル１０〜１９の間の間
隙ｄに連通している。A lateral hole (air passage) 24 is provided in the resin frame 2 at the central portion in the width direction thereof for air circulation in the longitudinal direction.
Is formed, one end of the lateral hole 24 communicates with a cylindrical portion 241 protruding to the side surface of the resin frame 2, and the cylindrical portion 241 is connected to the fan 24.
The duct 2 (not shown) communicates with the air supply port 2. Further, in the resin frame 2, vertical holes (air passages) 25 are formed in the vertical direction at equal distances from four adjacent battery cells, and the upper ends of the vertical holes 25 communicate with the horizontal holes 24, The lower ends thereof communicate with the gap d between the four adjacent battery cells 10 to 19.
【００１８】樹脂フレーム２には、インサート成形によ
り銅板からなる合計９個のセル接続バー４が固定されて
いる。これらセル接続バー４の両端に設けられた接続孔
（図示せず）は互いに隣接する負極端子１０１と正極端
子１０３の螺子穴（図示せず）に位置合わせされてお
り、ボルト５をこれら接続孔を貫通して各負極端子１０
１や正極端子１０３の螺子穴に螺入することにより、セ
ル接続バー４は負極端子１０１や正極端子１０３に固定
されている。これにより各電池セル１０〜１９が直列接
続され、電池セル１４の上端側の負極端子１０１が最低
電位をもつエンドターミナルとなり、電池セル１９の上
端側の正極端子１０３が最高電位をもつエンドターミナ
ルとなる。これらエンドターミナルを他の組電池のエン
ドターミナルと組電池接続バー６により接続するため
に、右端の二つの穴（組電池接続溝）２２の側壁の一部
は除去されている。A total of nine cell connecting bars 4 made of a copper plate are fixed to the resin frame 2 by insert molding. The connection holes (not shown) provided at both ends of these cell connection bars 4 are aligned with the screw holes (not shown) of the negative electrode terminal 101 and the positive electrode terminal 103 which are adjacent to each other, and the bolt 5 is connected to these connection holes. Through each negative electrode terminal 10
The cell connection bar 4 is fixed to the negative electrode terminal 101 and the positive electrode terminal 103 by being screwed into the screw holes of the positive electrode terminal 103 and the positive electrode terminal 103. Thereby, the battery cells 10 to 19 are connected in series, the negative electrode terminal 101 on the upper end side of the battery cell 14 becomes an end terminal having the lowest potential, and the positive electrode terminal 103 on the upper end side of the battery cell 19 becomes the end terminal having the highest potential. Become. In order to connect these end terminals to the end terminals of other assembled batteries by the assembled battery connecting bar 6, part of the side walls of the two holes (assembled battery connecting grooves) 22 at the right end are removed.
【００１９】樹脂フレーム３は、セル接続バー４の位置
が異なる点及び横孔２４及び縦穴２５を持たない点を除
いて上述した樹脂フレーム２と同一形状、同一素材とさ
れている。この組電池の組付けは、まず樹脂フレーム
２、３を電池セル１０〜１９に被せ、ボルト５により各
セル接続バー４や組電池接続バー６を負極端子１０１や
正極端子１０３に締結し、筒部２４１に図示しないダク
トを嵌め込めんで行われる。なお、上記締結後、作業穴
２２にはペースト状の埋め込み樹脂（図示せず）が充填
され、その硬化により作業穴２２が封止される。ファン
２４２は電池充電中、複数の組電池に冷却空気を並列に
供給する。The resin frame 3 has the same shape and the same material as those of the resin frame 2 described above except that the cell connection bar 4 is not located at the same position and the horizontal holes 24 and the vertical holes 25 are not provided. To assemble the assembled battery, first, the resin frames 2 and 3 are covered on the battery cells 10 to 19, and the cell connecting bar 4 and the assembled battery connecting bar 6 are fastened to the negative electrode terminal 101 and the positive electrode terminal 103 by the bolts 5, This is performed by fitting a duct (not shown) into the portion 241. After the above fastening, the work hole 22 is filled with a paste-like embedded resin (not shown), and the work hole 22 is sealed by hardening thereof. The fan 242 supplies cooling air in parallel to a plurality of assembled batteries during battery charging.
【００２０】このように作製した本実施例の組電池は、
以下の作用効果を奏する。まず、樹脂フレーム２、３が
セル接続バー４を内蔵するので、樹脂フレーム２を電池
セル１０〜１９に装着するだけでセル接続バーえとター
ミナル又はエンドターミナル（終端ターミナル）である
負極端子１０１や正極端子１０３との嵌合が完了し、両
者の接続作業の簡素化が実現する。また、セル接続バー
４の大部分が樹脂フレーム２、３に覆われ、作業穴２２
が埋め込み樹脂で封止されるので、電池セル１０〜１９
の耐被水性の向上及び沿面放電の防止が実現する。The assembled battery of this embodiment produced in this way is
The following operational effects are obtained. First, since the resin frames 2 and 3 have the cell connection bar 4 built therein, it is only necessary to mount the resin frame 2 on the battery cells 10 to 19 and the cell connection bar and the negative terminal 101 or the positive terminal which is a terminal or an end terminal. The fitting with the terminal 103 is completed, and the work of connecting the both is simplified. Further, most of the cell connection bar 4 is covered with the resin frames 2 and 3, and the work hole 22
Is sealed with embedded resin, the battery cells 10-19
The improvement of water resistance and prevention of creeping discharge are realized.
【００２１】また、電池セル１０〜１９は横孔２４及び
縦穴２５を通じて流れる冷却空気流により良好に冷却さ
れる。更に、電池セル１０〜１９は樹脂フレーム２、３
に両端部だけ嵌合するだけであるので、電池セル１０〜
１９の一体化に支障を生じることなく、電池セル１０〜
１９を良好に冷却できるとともに使用樹脂量も節約する
ことができる。Further, the battery cells 10 to 19 are favorably cooled by the cooling air flow flowing through the horizontal holes 24 and the vertical holes 25. Further, the battery cells 10 to 19 are made of resin frames 2, 3
Since only the both ends are fitted to the battery cell 10
The battery cells 10 to
19 can be cooled well and the amount of resin used can be saved.
【００２２】（変形態様）ボルト５の代わりにナットに
より締結でき、電池セル１０〜１９を積層型の電極集合
体を収容した角型電池とすることもでき、樹脂フレーム
３にも冷却空気通路を設けることができ、上記強制通風
の代わりに自然通風冷却を採用することもできる。(Modification) A nut can be used instead of the bolt 5, and the battery cells 10 to 19 can be a prismatic battery containing a laminated electrode assembly. A cooling air passage is also provided in the resin frame 3. Natural ventilation cooling can be adopted instead of the forced ventilation.
【００２３】正極端子１０３と負極端子１０１とは缶体
部１０２の同一端面に突出させることができ、樹脂フレ
ーム２は両端子１０１、１０３を良好に絶縁することが
できる。穴２１の内周面にセル接続バーの負極側から延
びる導体接触片を配設することもでき、このようにすれ
ば、穴２１に電池セル１０〜１９の缶体部１０２を嵌め
込むだけで負極側の電気接続を完了することができる。The positive electrode terminal 103 and the negative electrode terminal 101 can be projected on the same end face of the can body 102, and the resin frame 2 can insulate both terminals 101, 103 well. A conductor contact piece extending from the negative electrode side of the cell connection bar may be arranged on the inner peripheral surface of the hole 21, and in this case, the can body portion 102 of the battery cells 10 to 19 is simply fitted into the hole 21. The electrical connection on the negative electrode side can be completed.
【００２４】（実施例２）他の実施例を図４、図５を参
照して説明する。電池セル１０ａ、１１ａ、１２ａは樹
脂フレーム２ａの穴２１ａにそれぞれ嵌め込まれ、負極
端子１０１ａと隣接する正極端子１０３ａとはボルト５
ａによりセル接続バー４ａに接続されている。この実施
例では、作業穴２２ａはセル接続バー４ａを嵌め込み可
能な大きさとした点に特徴がある。したがって、樹脂フ
レーム２ａに電池セル１０ａ、１１ａ、１２ａを嵌め込
んだ後、作業穴２２ａにセル接続バー４ａを嵌め込ん
で、ボルト５ａで締結し、その後、作業穴２２ａを埋め
込み樹脂７ａで封止してセル接続バー４ａを埋め込む。(Embodiment 2) Another embodiment will be described with reference to FIGS. The battery cells 10a, 11a, 12a are fitted in the holes 21a of the resin frame 2a, respectively, and the positive electrode terminal 103a adjacent to the negative electrode terminal 101a is connected to the bolt 5.
It is connected to the cell connection bar 4a by a. This embodiment is characterized in that the work hole 22a has a size into which the cell connection bar 4a can be fitted. Therefore, after fitting the battery cells 10a, 11a, 12a into the resin frame 2a, the cell connecting bar 4a is fitted into the working hole 22a and fastened with the bolt 5a, and then the working hole 22a is sealed with the embedding resin 7a. Then, the cell connection bar 4a is embedded.
【００２５】このようにしても、実施例１と同様の効果
を奏することができる。なお、作業穴２２ａの内周面
は、セル接続バー４を端子１０１ａ、１０３ａに位置合
するようにセル接続バー４ａをガイドする形状とされて
いる。 （実施例３）他の実施例を図６、図７を参照して説明す
る。Even in this case, the same effect as that of the first embodiment can be obtained. The inner peripheral surface of the work hole 22a is shaped so as to guide the cell connection bar 4a so that the cell connection bar 4 is aligned with the terminals 101a and 103a. (Embodiment 3) Another embodiment will be described with reference to FIGS.
【００２６】電池セル１０ｂ、１１ｂ、１２ｂは樹脂フ
レーム２ｂの穴２１ｂにそれぞれ嵌め込まれ、負極端子
１０１ｂと隣接する正極端子１０３ｂとはボルト５ｂに
よりセル接続バー４ｂに接続されている。この実施例で
は、作業穴２２ｂ内に爪２７をそれぞれ一対立設し、爪
２７によりセル接続バー４を押さえるようにした点に特
徴がある。このようにすれば、セル接続バー４ｂの位置
ずれを減らすことができ、締結作業が容易となる。The battery cells 10b, 11b, 12b are fitted into the holes 21b of the resin frame 2b, respectively, and the negative electrode terminal 101b and the adjacent positive electrode terminal 103b are connected to the cell connection bar 4b by bolts 5b. This embodiment is characterized in that the claws 27 are provided opposite to each other in the work hole 22b and the claws 27 press the cell connection bar 4. By doing so, the positional displacement of the cell connection bar 4b can be reduced, and the fastening work becomes easy.
【００２７】（実施例４）他の実施例を図８、図９を参
照して説明する。各電池セル１は上端開口の樹脂ケース
（本発明でいう樹脂フレーム）８に収容され、それらの
負極端子１０１ｃ及び正極端子１０３ｃは実施例１と同
様にセル接続バー４ｃに締結されている。樹脂ケース８
の開口は樹脂からなる蓋（本発明でいう樹脂フレーム）
９が超音波溶接されて電池セル１は密閉されている。(Fourth Embodiment) Another embodiment will be described with reference to FIGS. Each battery cell 1 is housed in a resin case (resin frame in the present invention) 8 having an upper opening, and the negative electrode terminal 101c and the positive electrode terminal 103c thereof are fastened to the cell connection bar 4c as in the first embodiment. Resin case 8
The opening of the lid is made of resin (resin frame in the present invention)
9 is ultrasonically welded and the battery cell 1 is sealed.
【００２８】蓋９には空気流通用の横孔９１と縦孔９２
とが設けられており、外部空気はこれら横孔９１と縦孔
９２とを通じて樹脂ケース８の内部に吹き込まれ、樹脂
ケース８の側壁に設けられた穴８１から排出される。な
お、この実施例では、セル接続バー４ｃは蓋９と別個に
形成されているが、実施例１と同様に蓋９と一体に形成
することができるのはもちろんである。The lid 9 has a horizontal hole 91 and a vertical hole 92 for air circulation.
External air is blown into the inside of the resin case 8 through the horizontal hole 91 and the vertical hole 92, and is discharged from a hole 81 provided in the side wall of the resin case 8. Although the cell connection bar 4c is formed separately from the lid 9 in this embodiment, it can be formed integrally with the lid 9 as in the first embodiment.
【図１】実施例１の組電池の平面図である。FIG. 1 is a plan view of an assembled battery according to a first embodiment.
【図２】図１の組電池のＢ−Ｂ’矢視部分断面図であ
る。2 is a partial cross-sectional view of the battery pack of FIG. 1 taken along the line BB ′.
【図３】図１の組電池のＡ−Ａ’矢視断面図である。FIG. 3 is a cross-sectional view taken along the line A-A ′ of the assembled battery of FIG.
【図４】実施例２の組電池の部分平面図である。FIG. 4 is a partial plan view of an assembled battery according to a second embodiment.
【図５】図４の組電池のＡ−Ａ’矢視断面図である。5 is a cross-sectional view of the battery pack of FIG. 4 taken along the line A-A '.
【図６】実施例３の組電池の部分平面図である。FIG. 6 is a partial plan view of an assembled battery of Example 3.
【図７】図６の組電池のＡ−Ａ’矢視断面図である。FIG. 7 is a cross-sectional view taken along the line A-A ′ of the assembled battery of FIG.
【図８】実施例４の組電池の断面図である。FIG. 8 is a cross-sectional view of an assembled battery of Example 4.
【図９】実施例４の組電池の断面図である。FIG. 9 is a cross-sectional view of an assembled battery of Example 4.
【符号の説明】 １０〜１９は電池セル、２、３は樹脂フレーム、１０１
は負極端子（ターミナル）、１０３は正極端子（ターミ
ナル）、２４は横孔（空気通路）、２５は縦孔（空気通
路）、２２は穴（組電池接続溝）、４はセル接続バー、
６は組電池接続バー。[Explanation of reference numerals] 10 to 19 are battery cells, 2 and 3 are resin frames, 101
Is a negative electrode terminal (terminal), 103 is a positive electrode terminal (terminal), 24 is a horizontal hole (air passage), 25 is a vertical hole (air passage), 22 is a hole (assembly battery connection groove), 4 is a cell connection bar,
6 is an assembled battery connection bar.
Claims (8)
なる姿勢で互いに近接配置される複数の電池セルと、前
記各電池セルの両側の端面及びそれらの近傍の周壁に装
着されて前記各電池セルを一体化する樹脂フレームと、
隣接する前記各電池セルの前記ターミナル同士を接続す
る複数のセル接続バーとを備える組電池において、 前記樹脂フレームは、前記セル接続バーを一体に内蔵す
ることを特徴とする組電池。1. A plurality of battery cells, which are arranged close to each other in such a manner that the end faces from which terminals project are parallel to each other, and the battery cells mounted on the end faces on both sides of each of the battery cells and the peripheral walls in the vicinity thereof. With a resin frame that integrates
An assembled battery comprising a plurality of cell connection bars that connect the terminals of the adjacent battery cells to each other, wherein the resin frame integrally incorporates the cell connection bars.
なる姿勢で互いに近接配置される複数の電池セルと、前
記各電池セルの両側の端面及びそれらの近傍の周壁に装
着されて前記各電池セルを一体化する樹脂フレームと、
隣接する前記各電池セルの前記ターミナル同士を接続す
る複数のセル接続バーとを備える組電池において、 前記樹脂フレームは、隣接する前記各電池セルの周壁間
の間隙に連通する複数の電槽側開口と、外部に連通する
外部開口と、前記両開口を連通する空気通路とを備える
ことを特徴とする組電池。2. A plurality of battery cells, which are arranged close to each other in such a manner that the end surfaces from which the terminals project are parallel to each other, and the battery cells mounted on the end surfaces on both sides of each of the battery cells and the peripheral walls in the vicinity thereof. With a resin frame that integrates
In an assembled battery including a plurality of cell connection bars that connect the terminals of the adjacent battery cells to each other, the resin frame has a plurality of battery case-side openings communicating with a gap between peripheral walls of the adjacent battery cells. And an external opening communicating with the outside, and an air passage communicating with the both openings.
電位及び最低電位を有する前記ターミナルであるエンド
ターミナルに近接して開口されて、互いに隣接する二つ
の組電池のエンドターミナルを接続するための組電池接
続バーが挿入される接続バー挿入孔又は接続バー挿入溝
を有する請求項１又は２記載の組電池。3. The resin frame is opened near an end terminal, which is the terminal having the highest potential and the lowest potential in the battery pack, to connect the end terminals of two battery packs adjacent to each other. The assembled battery according to claim 1 or 2, further comprising a connection bar insertion hole or a connection bar insertion groove into which the assembled battery connection bar is inserted.
包している請求項１ないし３のいずれかに記載の組電
池。4. The assembled battery according to claim 1, wherein the resin frame surrounds the cell connection bar.
記ターミナルに締結するための作業穴を有する請求項４
記載の組電池。5. The resin frame has a working hole for fastening the cell connection bar to the terminal.
The battery pack described.
ている請求項５記載の組電池。6. The assembled battery according to claim 5, wherein the work hole is sealed with an embedded resin.
端部が嵌入される凹部を有する第１フレーム部と、前記
第１フレーム部とは別個に形成されて前記各電池セルの
他端部が嵌入される凹部を有する第２フレーム部とから
なる請求項１ないし３のいずれかに記載の組電池。7. The resin frame is formed separately from a first frame part having a recess into which one end of each battery cell is fitted, and the other end part of each battery cell is formed separately from the first frame part. The assembled battery according to any one of claims 1 to 3, comprising a second frame portion having a recess into which is inserted.
閉する密閉箱形状を有する請求項１ないし３のいずれか
に記載の組電池。8. The assembled battery according to claim 1, wherein the resin frame has a closed box shape for hermetically sealing the battery cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8041640A JPH09237617A (en) | 1996-02-28 | 1996-02-28 | Set battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8041640A JPH09237617A (en) | 1996-02-28 | 1996-02-28 | Set battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09237617A true JPH09237617A (en) | 1997-09-09 |
Family
ID=12613936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8041640A Pending JPH09237617A (en) | 1996-02-28 | 1996-02-28 | Set battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09237617A (en) |
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| JP2000306562A (en) * | 1999-02-15 | 2000-11-02 | Sony Corp | Movable body mounted battery device |
| JP2000323109A (en) * | 1999-05-12 | 2000-11-24 | Toyota Central Res & Dev Lab Inc | Battery module |
| JP2001210287A (en) * | 1999-12-13 | 2001-08-03 | Alcatel | Module structure |
| JP2001229897A (en) * | 2000-02-15 | 2001-08-24 | Toyota Motor Corp | Assembled battery, method to fix battery and motor vehicle |
| WO2003107458A1 (en) * | 2002-06-17 | 2003-12-24 | 松下電器産業株式会社 | Combined battery and battery holding frame |
| JP2009146605A (en) * | 2007-12-11 | 2009-07-02 | Panasonic Corp | Battery pack |
| JP2009272160A (en) * | 2008-05-08 | 2009-11-19 | Toyota Motor Corp | Cell holding device, assembled mattery, and vehicle |
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1996
- 1996-02-28 JP JP8041640A patent/JPH09237617A/en active Pending
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| JP2000306562A (en) * | 1999-02-15 | 2000-11-02 | Sony Corp | Movable body mounted battery device |
| JP2000323109A (en) * | 1999-05-12 | 2000-11-24 | Toyota Central Res & Dev Lab Inc | Battery module |
| JP2001210287A (en) * | 1999-12-13 | 2001-08-03 | Alcatel | Module structure |
| JP2001229897A (en) * | 2000-02-15 | 2001-08-24 | Toyota Motor Corp | Assembled battery, method to fix battery and motor vehicle |
| WO2003107458A1 (en) * | 2002-06-17 | 2003-12-24 | 松下電器産業株式会社 | Combined battery and battery holding frame |
| CN1319185C (en) * | 2002-06-17 | 2007-05-30 | 松下电器产业株式会社 | Combined battery and battery holding frame |
| US7410722B2 (en) | 2002-06-17 | 2008-08-12 | Matsushita Electric Industrial Co., Ltd. | Combined battery and battery holding frame |
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| JP2009272160A (en) * | 2008-05-08 | 2009-11-19 | Toyota Motor Corp | Cell holding device, assembled mattery, and vehicle |
| JP2009277378A (en) * | 2008-05-12 | 2009-11-26 | Denso Corp | Battery pack |
| US8962172B2 (en) | 2008-07-26 | 2015-02-24 | Daimler Ag | Battery cooling in particular for a vehicle battery |
| EP2304838A1 (en) * | 2008-07-26 | 2011-04-06 | Daimler AG | Battery cooling in particular for a vehicle battery |
| JP2011529245A (en) * | 2008-07-26 | 2011-12-01 | ダイムラー・アクチェンゲゼルシャフト | Battery cooling for vehicle batteries |
| JP2010108782A (en) * | 2008-10-30 | 2010-05-13 | Toshiba Corp | Battery module |
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| WO2014033950A1 (en) * | 2012-09-03 | 2014-03-06 | 株式会社オートネットワーク技術研究所 | Battery wiring module |
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