JPS5827475Y2 - lead acid battery - Google Patents
lead acid batteryInfo
- Publication number
- JPS5827475Y2 JPS5827475Y2 JP7523978U JP7523978U JPS5827475Y2 JP S5827475 Y2 JPS5827475 Y2 JP S5827475Y2 JP 7523978 U JP7523978 U JP 7523978U JP 7523978 U JP7523978 U JP 7523978U JP S5827475 Y2 JPS5827475 Y2 JP S5827475Y2
- Authority
- JP
- Japan
- Prior art keywords
- battery
- partition
- plate group
- electrode plate
- inner frame
- 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.)
- Expired
Links
Classifications
-
- Y02E60/12—
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Description
【考案の詳細な説明】
本考案は、電槽の隔壁を介して隣接する複数のセル極板
群を、その上下両部で接続した鉛蓄電池に関するもので
ある。[Detailed Description of the Invention] The present invention relates to a lead-acid battery in which a plurality of adjacent cell plate groups are connected at both the upper and lower portions through a partition wall of a battery case.
これまでの鉛蓄電池は、隔壁を介して隣接するセル間を
、各電池室内に挿入された極板群の上部に一体に設けた
隔壁貫通方式の接続体で接続し、かつ各極板群の下部は
クラによって電槽底部よりわずかに浮かされて固定され
ているが通例である。Conventional lead-acid batteries connect adjacent cells via partition walls using a partition-through type connector that is integrally installed above the electrode plate group inserted into each battery chamber, and It is customary for the lower part to be fixed slightly above the bottom of the container by means of a clamp.
このような構造では陽、陰画極板の起電反応は、主に接
続体が設けられた極板上部において行なわれ、活物質は
この部分のみが起電反応に関与することになって、極板
金体の活物質利用率、電流密度は低く、十分な起電反応
は期待できず、従って単位重量当りの高出力化、高電池
容量化は十分に満足のゆくものではなかった。In such a structure, the electromotive reaction of the positive and negative picture electrode plates mainly takes place in the upper part of the electrode plate where the connecting body is provided, and only this part of the active material participates in the electromotive reaction, so that The utilization rate of the active material and the current density of the sheet metal body are low, and a sufficient electromotive reaction cannot be expected. Therefore, the achievement of high output per unit weight and high battery capacity has not been fully satisfactory.
この単位量当りの高出力化、高電池容量化のために極板
群の上下両部において、隣接セルの極板群と接続する方
式が提案された。In order to achieve high output per unit quantity and high battery capacity, a method was proposed in which both the upper and lower parts of the electrode plate group are connected to the electrode group of adjacent cells.
この方式は、極板群の上部のみで隣接セルの極板群と接
続する方式に比べれば、接続部が上下2個所にあるため
、接続部分での電圧降下をこれまでのものより低減でき
、極板金体の活物質利用率を高め、かつ電流密度をほぼ
平均化することができる利点がある。Compared to a method in which the electrode plate group of an adjacent cell is connected only to the top of the electrode plate group, this method has two connection points, one above the other, and the voltage drop at the connection point can be reduced compared to previous methods. This has the advantage of increasing the utilization rate of the active material in the electrode sheet metal body and substantially equalizing the current density.
しかしこのような利点のある反面、極板群下部において
も陽、陰両極の接続部分が存在するため、脱落活物質の
堆積に起因した陽、陰両極接続体間の短絡が生じ、電池
寿命を低下させるという問題があった。However, although this advantage exists, since there is a connecting part between the positive and negative electrodes at the bottom of the electrode plate group, a short circuit between the positive and negative electrode connections occurs due to the accumulation of fallen active material, which shortens the battery life. There was a problem of lowering the
従って、この脱落活物質に起因した極板群下部での内部
短絡を防止することが大きな課題であり、一部には下蓋
に下部接続体部分を区画する仕切片等を設けることが提
案されたが、下蓋に形成しうる仕切片の幅等は、下蓋を
中枠に一体化する関係上、十分に広いものとすることが
できなく、脱落活物質を左右で仕切って分離させること
ができるだけの十分な仕切り効果が得られなかった。Therefore, it is a major issue to prevent internal short circuits at the bottom of the electrode plate group caused by this fallen active material, and some proposals have been made to provide a partition piece or the like in the bottom cover to partition the bottom connection body part. However, the width of the partition piece that can be formed on the lower lid cannot be made sufficiently wide because the lower lid is integrated with the middle frame, so it is necessary to separate the fallen active material by partitioning it into left and right sides. A sufficient partitioning effect could not be obtained.
本考案は、このようなこれまでの鉛蓄電池の問題点を、
中枠の各電池室下部に、隔壁と垂直に突出する幅5Qm
m以下の仕切片を設け、これを下蓋に固定することで解
決し、電池性能を向上させたものであり、あわせて極板
群下部での内部短絡防止効果をも十分向上させたもので
ある。This invention solves these problems of conventional lead-acid batteries.
A width of 5Qm protruding perpendicularly to the partition wall at the bottom of each battery compartment in the middle frame.
This problem was solved by providing a partition piece with a diameter of less than m and fixing it to the bottom cover, which improved battery performance, and also sufficiently improved the effect of preventing internal short circuits at the bottom of the electrode group. be.
以下、本考案の実施例を図面により説明する。Embodiments of the present invention will be described below with reference to the drawings.
図面において1は合成樹脂、例えばポリプロピレン製の
電槽であり、この電槽は上下に開口をもち、かつ複数の
隔壁2によって複数の電池室に仕切った角形筒状の樹脂
製中枠3と、その上部開口部を覆う同質材の上蓋4およ
び下部開口部を覆う下蓋5とを熱容着等で一体に固定す
ることにより構成される。In the drawings, reference numeral 1 denotes a battery case made of synthetic resin, for example polypropylene, and this battery case has a rectangular cylindrical resin inner frame 3 which has openings at the top and bottom and is partitioned into a plurality of battery chambers by a plurality of partition walls 2; It is constructed by fixing together an upper lid 4 made of the same material that covers the upper opening and a lower lid 5 that covers the lower opening by heat bonding or the like.
各電池室6内に挿入された陽極板、陰極板およびセパレ
ータ等からなる極板群7は、陽。The electrode plate group 7 consisting of an anode plate, a cathode plate, a separator, etc. inserted into each battery chamber 6 is a positive electrode plate.
陰両極板ともに上下に少なくとも1個所づつの接続用耳
8 a 、8 b 、8 C,8dを有している。Both cathode plates have at least one connection tab 8a, 8b, 8C, and 8d on the top and bottom.
すなわち、第1図に示すものでは、陽極板については左
上と右下に耳8 a 、8 bを、又陰極板については
右上と左下にそれぞれ耳8C,8dが設けられている。That is, in the one shown in FIG. 1, the anode plate has ears 8 a and 8 b at the upper left and lower right, and the cathode plate has ears 8 C and 8 d at the upper right and lower left, respectively.
そして極板群7の陽極板は、全ての同極性極板と左上お
よび右下の耳8a、8bがそれぞれ溶着され合って接続
たな9 a 、9 bを形威し、接続片によって隔壁を
介して隣り合う前方のセル陰極板の接続たな一体化され
ている。In the anode plate of the electrode plate group 7, all of the same polarity plates and the upper left and lower right ears 8a and 8b are welded to each other to form connecting tabs 9a and 9b, and the partition wall is connected by the connecting piece. The connection of adjacent front cell cathode plates is integrated through the connection tray.
一方陰極板も同様に、同極性極板の耳8C,8dを溶着
しあって接続たな9C,9dを形成しており、この接続
たなも接続片によって隔壁を介して隣接する後方のセル
の陽極板の接続たなと接続一体化されている。On the other hand, similarly for the cathode plate, the ears 8C and 8d of the same polarity plates are welded to each other to form connection troughs 9C and 9d, and these connection pieces are used to connect rear cells adjacent to each other through the partition wall. The connection is integrated with the connection rack of the anode plate.
第1図に示す各セルの極板群間の接続形式は、隔壁に接
続片を貫通させて接続たな間を接続する、いわゆる隔壁
貫通式であるが、中枠と上蓋との間に接続片を通すよう
に中枠の壁面に沿って接続片を配した、いわゆる隔壁オ
ーバ式としてもよい。The type of connection between the electrode plate groups of each cell shown in Figure 1 is the so-called bulkhead penetration type, in which a connecting piece is passed through the bulkhead to connect the connecting bars, but the connection is made between the middle frame and the top cover. It is also possible to use a so-called bulkhead over type in which connecting pieces are arranged along the wall surface of the inner frame so that the connecting pieces pass through.
いずれの接続形式においても、極板群は電池室の隔壁面
に固定されるために、これまでのように極板群を支持す
るためのクラを必要とすることはなく、それだけ電槽形
状が簡素化できて蓄電池としての組立は能率よく行える
。In either connection type, the plate group is fixed to the partition wall of the battery compartment, so there is no need for a cracker to support the plate group as in the past, and the shape of the battery case can be adjusted accordingly. It can be simplified and assembled as a storage battery efficiently.
しかし、このような電槽形状の簡素化ならびに蓄電池組
立の能率化は図れる反面、前述した如く極板群下部に陽
、陰極板ともに接続体をもち、下蓋との距離も近いため
脱落した活物質の堆積が進むと、下部接続体間が堆積し
た活物質によって短絡を生じ易くなる問題がある。However, although this simplification of the shape of the battery case and the efficiency of battery assembly can be achieved, as mentioned above, both the positive and negative electrode plates have connectors at the bottom of the electrode plate group, and the distance from the bottom cover is close, so it is possible to prevent the battery from falling off. As the deposition of the substance progresses, there is a problem in that the deposited active material tends to cause a short circuit between the lower connecting bodies.
そこで本考案においては、陽、陰両極板の下部接続体9
b 、9 d間を仕切り、脱落活物質の堆積による接
続体間の短絡を防止するための仕切片10を中枠3の下
部開口部の隔壁2に一体にこれと垂直をなして突出し電
池室6全体にわたるように設けるとともに、下蓋5にも
この仕切片10と対応する固定用リブ11を設けたもの
である。Therefore, in the present invention, the lower connecting body 9 of the positive and negative polar plates is
A partition piece 10 for partitioning between B and 9D and preventing a short circuit between the connected bodies due to accumulation of fallen active material is integrally attached to the partition wall 2 of the lower opening of the middle frame 3 and protrudes perpendicularly thereto to form the battery chamber. 6, and a fixing rib 11 corresponding to the partition piece 10 is also provided on the lower lid 5.
この仕切片10は、堆積した脱落活物質が通常の電池使
用寿命の間には下部接続体部分にまたがつて接触するこ
とを防止し、短絡を引き起すことを阻止するだけの幅と
する必要があり、本考案者らは種々の検討によって、こ
の幅は最大50mm、通常は4Qmmあれば、電池寿命
末期まで堆積した脱落活物質による下部接続体部分での
短絡を良好に抑制できることを見出した。This divider piece 10 must be wide enough to prevent accumulated fallen active material from straddling and contacting the lower connector portion during normal battery service life, thereby preventing it from causing a short circuit. Through various studies, the inventors of the present invention have found that if this width is at most 50 mm, usually 4 Q mm, it is possible to effectively suppress short circuits at the lower connector portion caused by the deposited active material until the end of the battery's life. .
又この仕切片10を幅を広くすればする程、仕切り効果
は発揮される反面、中枠3の実質深さが制限されること
になるので、この点からも仕切片10の幅は必要に応じ
て極力せまいものが好ましい。Also, the wider the partition piece 10 is, the more the partition effect will be exhibited, but the actual depth of the middle frame 3 will be limited, so from this point of view as well, the width of the partition piece 10 is necessary. Depending on the situation, it is preferable to use one that is as narrow as possible.
本考案者らはこれら画点を考慮し、なおかつ電槽として
の補強効果を勘案して仕切片100幅を5Qmm以下と
した。The present inventors took these picture points into consideration and also took into consideration the reinforcing effect as a battery case, and set the width of the partition piece 100 to 5 Q mm or less.
又、この仕切片10の下端は、極板群7を各電池室6に
挿入し、隔壁2の接続片貫通孔12に接続片を貫通させ
て極板群間を接続した後、中枠3と下蓋5とを熱溶着す
る際の作業の容易さから、中枠3の下端と同一高さの面
一状態とした。The lower end of this partition piece 10 is connected to the middle frame 3 after inserting the electrode plate group 7 into each battery chamber 6 and passing the connecting piece through the connecting piece through hole 12 of the partition wall 2 to connect the electrode plate groups. In order to facilitate the work when thermally welding the inner frame 3 and the lower cover 5, the inner frame 3 is flush with the lower end of the inner frame 3 at the same height.
このように仕切片10と中枠3の下端を面一にすれば、
共通の加熱装置でこれらを同時に加熱溶融させることが
できる。If the lower ends of the partition piece 10 and the middle frame 3 are made flush in this way,
These can be heated and melted simultaneously using a common heating device.
又下蓋5側の仕切片10と対応するリブ11も、下蓋5
の加熱溶融時に同時に溶融させると作業性をよくするこ
とができる。Also, the rib 11 corresponding to the partition piece 10 on the lower lid 5 side is also
Workability can be improved by melting at the same time as heating and melting.
第1図は、電池室内に挿入した極板群を接続し、中枠3
の上部に上蓋4を、又下部に下蓋5をそれぞれ熱溶着で
固定して鉛蓄電池としたものである。Figure 1 shows how to connect the electrode plates inserted into the battery chamber and connect the middle frame 3.
An upper cover 4 is fixed to the upper part of the battery, and a lower cover 5 is fixed to the lower part by heat welding to form a lead-acid battery.
なお、13は各電池室に通じる液口栓、14は端子、1
5は極板群の電池室への挿入を容易にするとともに極板
群に群圧をかけるリブである。In addition, 13 is a liquid port plug leading to each battery compartment, 14 is a terminal, and 1
Reference numeral 5 denotes a rib that facilitates insertion of the electrode plate group into the battery chamber and applies group pressure to the electrode plate group.
このようにして構成した本考案の鉛蓄電池と、前述した
極板群上部でのみセル間を接続した従来の鉛蓄電池との
充放電による寿命サイクル試験を比較したところ、本考
案によるものは300サイクル後においても内部短絡を
生じなかったが、従来のものは230サイクルで内部短
絡を生じ、電池性能が著しく劣化した。A life cycle test by charging and discharging was compared between the lead-acid battery of the present invention constructed in this manner and the conventional lead-acid battery in which the cells were connected only at the top of the electrode plate group described above. Although no internal short circuit occurred even after the test, the conventional one developed an internal short circuit after 230 cycles, and the battery performance significantly deteriorated.
又本考案の鉛蓄電池は前述の極板群上下でセル間を接続
したものに比べても、それより内部短絡が生じにくいも
のであった。Furthermore, the lead-acid battery of the present invention was less prone to internal short circuits than the aforementioned battery in which the cells were connected above and below the electrode groups.
これは、電池寿命期間中にわたって電槽中枠の下部に設
けた仕切片が、堆積した脱落活物質の陽陰両極の下部接
続体部分にまたがる接触を良好に阻止しているからであ
る。This is because the partition piece provided at the lower part of the inner frame of the battery case satisfactorily prevents the accumulated fallen active material from coming into contact with the lower connector parts of both the positive and negative electrodes during the life of the battery.
さらに本考案の鉛蓄電池では、中枠に設けた仕切片によ
って中枠が補強され、電槽としての強度がより一層高ま
って、横方向からの圧力や衝撃に対して容易に変形する
ことはなく、溶着固定部の保護の上からも有効である。Furthermore, in the lead-acid battery of this invention, the inner frame is reinforced by the partition piece provided on the inner frame, further increasing the strength of the battery case and preventing it from easily deforming due to lateral pressure or impact. This is also effective for protecting the welded and fixed parts.
またさらに本考案の電槽では極枠群を支持するクラを必
要としないため、極板群下部の不要空間を極力小さくで
き、所定サイズの極板を用いた場合、不要空間が小さく
できる分だけ電池の高さを低くできてコンパクト化する
ことも可能である。Furthermore, since the battery case of the present invention does not require a cracker to support the electrode frame group, the unnecessary space below the electrode plate group can be minimized, and when electrode plates of a specified size are used, the unnecessary space can be reduced as much as possible. It is also possible to reduce the height of the battery and make it more compact.
第1図は本考案の一実施例における鉛蓄電池の縦断面図
、第2図は同鉛蓋電池の電槽を正面から示す分解断面図
、第3図は同電槽を側面から示す分解断面図である。
1・・・・・・電槽、2・・・・・・隔壁、3・・・・
・・中枠、4・・・・・・上蓋、5・・・・・・下蓋、
6・・・・・・電池室、7・・・・・・極板群、8a、
8b、8C,8d・・・・・・接続用耳、9 a 、9
b 、9 C,9d・・・・・・接続たな、10・・
・・・・仕切片、11・・・・・・固定用リブ。Fig. 1 is a longitudinal cross-sectional view of a lead-acid battery according to an embodiment of the present invention, Fig. 2 is an exploded cross-sectional view showing the battery case of the same lead-acid battery from the front, and Fig. 3 is an exploded cross-sectional view showing the case from the side. It is a diagram. 1...Battery case, 2...Bulkhead, 3...
...Middle frame, 4...Top lid, 5...Bottom lid,
6... Battery compartment, 7... Electrode plate group, 8a,
8b, 8C, 8d...Connection ear, 9a, 9
b, 9 C, 9d...connect, 10...
...Partition piece, 11...Fixing rib.
Claims (1)
った中枠と、この中枠の上下の開口部を覆う上蓋および
下蓋により電槽を構威し、前記各電池室に挿入した極板
群の上下両部にはそれぞれ陽、陰極の接続体を設けて、
この接続体を隣接するセルの極板群の対応する異極性接
続体と隔壁を介して接続するとともに、前記中枠の隔壁
下部にこれと垂直に突出し、下部接続体間に位置するよ
う形成した幅50mm以下の仕切片を、下蓋に一体に固
定してなる鉛蓄電池。A battery case is constructed by an inner frame that is open at the top and bottom and partitioned into a plurality of battery chambers by partition walls, and an upper and lower cover that covers the upper and lower openings of this inner frame, and a battery case that is inserted into each of the battery chambers. Connectors for positive and negative electrodes are provided on both the upper and lower parts of the plate group, respectively.
This connecting body is connected to the corresponding different polarity connecting body of the electrode plate group of the adjacent cell via the partition wall, and is formed to protrude perpendicularly to the lower part of the partition wall of the middle frame and to be located between the lower connecting bodies. A lead-acid battery consisting of a partition piece with a width of 50 mm or less that is integrally fixed to the lower cover.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7523978U JPS5827475Y2 (en) | 1978-06-01 | 1978-06-01 | lead acid battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7523978U JPS5827475Y2 (en) | 1978-06-01 | 1978-06-01 | lead acid battery |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54176828U JPS54176828U (en) | 1979-12-13 |
JPS5827475Y2 true JPS5827475Y2 (en) | 1983-06-15 |
Family
ID=28989492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7523978U Expired JPS5827475Y2 (en) | 1978-06-01 | 1978-06-01 | lead acid battery |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5827475Y2 (en) |
-
1978
- 1978-06-01 JP JP7523978U patent/JPS5827475Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS54176828U (en) | 1979-12-13 |
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