JP4229616B2 - Sealed lead acid battery - Google Patents
Sealed lead acid battery Download PDFInfo
- Publication number
- JP4229616B2 JP4229616B2 JP2002016072A JP2002016072A JP4229616B2 JP 4229616 B2 JP4229616 B2 JP 4229616B2 JP 2002016072 A JP2002016072 A JP 2002016072A JP 2002016072 A JP2002016072 A JP 2002016072A JP 4229616 B2 JP4229616 B2 JP 4229616B2
- Authority
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- Japan
- Prior art keywords
- lid
- sealed lead
- acid battery
- cell chamber
- cell
- 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 - Fee Related
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- 239000002253 acid Substances 0.000 title claims description 19
- 239000007788 liquid Substances 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000003792 electrolyte Substances 0.000 description 8
- 239000008151 electrolyte solution Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
- Secondary Cells (AREA)
Description
【０００１】
【発明の属する技術分野】
本発明は、蓄電池、特に二輪車用密閉形鉛蓄電池に関するに関するものである。
【０００２】
【従来の技術】
蓄電池は、電槽内を隔壁により複数のセル室に区画形成されて、各セル室には正負極板を、セパレータを介して交互に積層した極板群を収納し、この電槽の上面開口部に蓋を接着または熱融着して施し封口し、蓋の注液口から電解液を注入して蓄電池を製造している。その際、特に注液すべき電解液量を制限している二輪車用密閉形鉛蓄電池では、隔壁、特に蓋裏面に電槽のそれと対応して形成された隔壁に各セル室を連通する連通孔が形成され、更に、何れか１つのセル室に対応する蓋部分に排気部として開口する排気筒が形成され、充放電により発生した発生ガスを、連通孔を介して排気筒の形成されたセル室に導き、該排気筒から安全弁および／またはフィルターを介して外部へ放出している。
【０００３】
【発明が解決しようとする課題】
これら二輪車用密閉形鉛蓄電池は、使用時に電解液が注液されて正立状態で使用されるが、時には蓄電池を横置きにして使用される。この時に、電解液注液後充分な時間をおいて使用される場合はあまり問題とならないが、注液後直ぐに使用される場合は、注液された電解液が極板群内には完全に吸収されず、セル室内で、極板群とは遊離した液として存在し、これが振動等により揺れ、排気筒から蓄電池外部へ漏出すると言った問題がある。
【０００４】
【課題を解決するための手段】
本発明は上記問題を解決したものである。これら二輪車用密閉形鉛蓄電池の蓋裏面は、図５に示される通りである。端子形成の為の凸部ａや、蓄電池の使用時に外部接続リード線を固定するために必要なボルトナットを収納する為のスペースを確保する為に蓋上面に凹部を形成しているためこれが蓋裏面に凸部ｂとなって形成されている。これら凸部ａ，ｂは蓋裏面に広い突出部ｃとして存在し、この突出部ｃのある各セル室ｄにあっては、極板群に吸収されず遊離している電解液によって、図５に点線で示される様にその液面位置が高くなり、結果、蓋中央の該広い突出部ｃのあるセル室ｄに形成されている排気筒ｅにより近づき、これが振動によって排気筒ｅからの漏出を引き起こしていることを見出した。これを解消するために、該排気筒をこれら蓋裏面に広い突出部ｃの無いセル室に対応して設けたものである。
【０００５】
【作用】
結果、遊離している電解液の液面位置は広い突出部が無い分低くなり、振動によるも該排気筒からの漏出はなくなる。
【０００６】
【発明の実施の形態】
実施の形態を図に基づいて説明する。
【０００７】
図１は本発明の実施例に係る二輪車用密閉形鉛蓄電池の斜視図である。１は電槽、２は蓋で、電槽１に熱融着されて施され内部が隔壁により６つのセル室に区画形成されている。該電槽１の各セル室には鉛−カルシウム系の合金からなる格子基板に各々正負極活物質が塗布充填された正負極板が補液性に優れたガラスマットから成るセパレータを介して交互に積層された極板群が収納され、各極板群は隔壁を貫通して互いに直列に接続されている。そして蓋２の上面隅角の切欠部にそれぞれ端部のセル室に収納された極板群の正極および負極と接続された正負極の端子３がそれぞれ形成されている。そして該蓋２において、上記正負極の端子３が形成された側の中央にボルトナット収納用の凹部４が形成されている。５は排気孔である。
【０００８】
この鉛蓄電池の蓋の裏面図を図２に示す。図２において、６は排気部としての排気筒、７は隔壁、８は該隔壁により区画形成された６つのセル室、９はボルトナット収納用の凹部４により裏面に突出している凸部、１０は端子３が形成されている切欠部により裏面に突出している凸部で、上記ボルトナット収納用の凹部４により裏面に突出している凸部と共に広い突出部１１としてセル室内に存在する。１２は各隔壁７に形成された連通孔、１３は端部の極板群の各々正負極板と接続され蓋上面で端子と接続される極柱の挿通孔、１４は各セル室に対応して蓋に貫通して上記排気筒とは別に設けられた注液口である。これらは蓋の成形時に一体に形成される。
【０００９】
尚、この実施例では、蓋裏面の排気筒６の近傍に円弧状の防沫板１５を一体に設けた。
【００１０】
本発明の特徴は、蓋裏面に突出する比較的広い突出部が形成されたセル室以外のセル室に排気部、即ち排気筒６を設けたことである。
【００１１】
この排気筒６は、図３に示される断面図に示す通り、従来と同様に中空の円筒体からなり、その下面は傾斜壁１６により閉塞されていると共に、該傾斜壁１６から排気筒６の側面に至る２つの小さい孔１７が設けられている。一方その上端は、キャップ状のゴム弁からなる安全弁１８で閉塞され、その上方は上蓋１９で覆われ安全弁室２０を形成し、該安全弁室２０は、多孔質のフィルター２１を介して、蓋２の上面のボルトナット収納用の凹部４に開口した排気孔５を経て外部と連通している。
【００１２】
尚、図２に記載の通り、排気筒６と多孔質のフィルター２１とは互いに隣接するセル室に対応して形成されているので、安全弁室２０は２つのセル室に跨るように形成されているものである。
【００１３】
そして、この排気筒６を挟み込む様に２枚の円弧状の衝立を該排気筒６に近接して立てて防沫板１５とした。長さは排気筒６の下端より１ｍｍ位更に下位になるように形成した。
【００１４】
更に注液口１４は図２に示される如く４本の腕２２により保持された円筒の筒体からなりその上面は注液後密封栓２３により閉塞されるものであるが、鉛蓄電池の出荷時は上面がラミネートされたアルミニウム箔が融着され、使用時にこの箔を剥がして所定量の希硫酸からなる電解液を収納した容器を逆さにして筒体上端に差込むことにより注液し、その後該密封栓２３を施して閉塞するものである。
【００１５】
この蓋を、従来と同様に電槽に熱融着して、６つのセル室からなる実施例１の二輪車用密閉形鉛蓄電池を製造した。
【００１６】
この実施例１の二輪車用密閉形鉛蓄電池と、実施例において防沫板を設けていない他は実施例１と同様に製造した実施例２の二輪車用密閉形鉛蓄電池と、図５に示す蓋を用いた従来例１の二輪車用密閉形鉛蓄電池とを各々１００個製造し、以下の試験をした。
【００１７】
各蓄電池に、その注液口１３から各セル室８に所定量で同量の電解液を注液し、上面から注液口を密封栓２３で閉塞した後、直ちに（注液終了後約５分後）蓄電池を、その両端子の位置する側面（図１における前面）が下になるように横倒しして、振動を与えた。振動条件は、周波数２４．９Ｈｚ、加速度３Ｇとして１２０分間与え、排気筒６からの電解液の漏れ具合を見た。
【００１８】
結果は、本実施例１の防沫板を設けた鉛蓄電池はその全てにおいて、排気筒６からの電解液の漏れはなかった。又、実施例２の防沫板を設けなかった鉛蓄電池は５個の蓄電池から僅かな漏れがあったに過ぎなかった。一方従来例１のものは、全ての鉛蓄電池において僅かな液漏れがあった。
【００１９】
更に、これら試験を開始する前の各セル室内の液面位置を確認した所、図５の各セル室内に点線で示す液面位置であり、端子やボルトナット収納のために蓋裏面に形成された広い突出部のあるセル室の液面位置が高く、それらの無いセル室は低かった。
【００２０】
尚、防沫板１５としては、図４（ａ）に示す様な平板状の衝立を注液孔１３側に１枚、横置きの際下方になる側に１枚を排気筒６の側面に当接して設けると共に、更に排気筒６と側面壁との中間位置に１枚設けたり、同図（ｂ）に示す様な平板状の衝立２枚を斜めに傾斜させ千鳥掛け状に形成したりした防沫板１５や、同図（ｃ）に示す様な馬蹄形の防末板１５を横置きの際下方になる側のみに設けたものでも良い。また、その長さは、少なくとも蓋裏面に突出する排気筒６の長さと同じ長さかそれ以上であることが好ましい。
【００２１】
尚、上記実施態様では６つのセル室に共通の排気部を１個のみ備える二輪車用密閉形鉛蓄電池について説明したが、広い突出部が形成されていない全てのセル室に排気部を形成しても良い。
【００２２】
【発明の効果】
この様に、本発明によれば電解液の漏れを防止できると言う効果を奏するものである。
【図面の簡単な説明】
【図１】本発明の実施例に係る密閉形鉛蓄電池の斜視図である。
【図２】本発明の実施例１に係る密閉型鉛蓄電池の蓋裏面図である。
【図３】図２のＡ−Ａ線の断面図である。
【図４】防沫板の他の実施例を示す蓋裏面部分図である。
【図５】従来例に係る密閉形鉛蓄電池の蓋裏面図である。
【符号の説明】
１…電槽
２…蓋
６…排気部（排気筒）
１１（９、１０）…突出部（凸部）
１５…防沫板[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a storage battery, and more particularly to a sealed lead storage battery for a motorcycle.
[0002]
[Prior art]
Storage battery within the container is partitioned and formed into a plurality of cell chamber by a partition, the positive and negative electrode plates in each cell chamber, accommodating the electrode plate group formed by alternately laminating with a separator, the upper surface of the battery case A lid is bonded or heat-sealed to the opening and sealed, and an electrolytic solution is injected from a liquid injection port of the lid to manufacture a storage battery. In that case, especially in the sealed lead-acid battery for motorcycles that restricts the amount of electrolyte to be injected, a communication hole for communicating each cell chamber with a partition wall, particularly a partition wall formed corresponding to that of the battery case on the back of the lid cells but is formed, further, any exhaust stack which is open as an exhaust unit on the lid portion corresponding to one cell chamber is formed, a generation gas generated by charging and discharging, which is formed of a stack via a communicating hole It is led to the chamber and discharged from the exhaust pipe to the outside through a safety valve and / or a filter.
[0003]
[Problems to be solved by the invention]
These sealed lead-acid batteries for motorcycles are used in an upright state when an electrolyte is injected during use, but sometimes they are used with the storage battery placed horizontally. At this time, but not a sweet Ri problem when it is used at a sufficient time after the electrolyte injection, if you are ready to use after the infusion, completely in poured been electrolyte within the electrode plate group In the cell chamber, there is a problem that the electrode plate group exists as a free liquid, which is shaken by vibration or the like and leaks from the exhaust tube to the outside of the storage battery.
[0004]
[Means for Solving the Problems]
The present invention solves the above problems. The lid back surface of these sealed lead-acid batteries for motorcycles is as shown in FIG . This is a lid because a convex part a for terminal formation and a concave part are formed on the top of the lid in order to secure a space for storing bolts and nuts necessary for fixing external connection lead wires when using a storage battery. The back surface is formed with a convex portion b. These protrusions a and b exist as wide protrusions c on the back surface of the lid, and in each cell chamber d having the protrusions c, the electrolyte solution that is free without being absorbed by the electrode plate group is shown in FIG. the higher its liquid level location as indicated by dotted lines, the result approaches the stack e formed in the cell chamber d with the wide protrusion c of the lid center, this is from the exhaust tube e by vibration I found out that it was leaking. To solve this problem, in which the exhaust cylinder provided corresponding to the cell chamber without large protrusions c thereto lid back surface.
[0005]
[Action]
Result, liquid level location of the electrolyte is free wide protrusion minute low no, will not leak from the exhaust cylinder is also due to vibration.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments will be described with reference to the drawings.
[0007]
FIG. 1 is a perspective view of a sealed lead-acid battery for a motorcycle according to an embodiment of the present invention. Reference numeral 1 denotes a battery case, and 2 a lid, which is heat-sealed to the battery case 1 and is partitioned into six cell chambers by partitions . Alternately and through a separator made of glass mat positive and negative electrode plates, each positive and negative electrode active material is coated filled the lattice substrate comprising a calcium-based alloys have excellent replacement fluid properties - in each cell chamber in the electric vessel 1 Lead The electrode plate groups stacked on each other are housed, and each electrode plate group penetrates the partition wall and is connected in series with each other. In addition, positive and negative terminals 3 connected to the positive and negative electrodes of the electrode plate group respectively housed in the cell chambers at the end portions are formed in the notches at the upper corners of the lid 2. In the lid 2 , a concave portion 4 for accommodating a bolt and nut is formed at the center on the side where the positive and negative terminals 3 are formed . Reference numeral 5 denotes an exhaust hole.
[0008]
A back view of the lid of this lead storage battery is shown in FIG. In FIG. 2, 6 is an exhaust pipe as an exhaust part, 7 is a partition, 8 is six cell chambers defined by the partition, 9 is a convex part projecting to the back side by a concave part 4 for accommodating a bolt and nut, 10 is a convex portion which protrudes to the rear surface by the notch terminals 3 are formed, present in the cell chamber as broad protrusions 11 with protrusions by the recess 4 of the upper Symbol bolt nut accommodating protruding on the back surface. 12 is a communication hole formed in each partition wall 7, 13 is an electrode column insertion hole connected to each positive and negative electrode plate of the end plate group and connected to the terminal on the upper surface of the lid, and 14 corresponds to each cell chamber. And a liquid injection port that is provided separately from the exhaust pipe . These are integrally formed when the lid is molded.
[0009]
In this embodiment, an arc-shaped splash-proof plate 15 is integrally provided in the vicinity of the exhaust tube 6 on the back surface of the lid.
[0010]
A feature of the present invention is that an exhaust part, that is, an exhaust cylinder 6 is provided in a cell chamber other than the cell chamber in which a relatively wide projecting part projecting on the back surface of the lid is formed.
[0011]
As shown in the cross-sectional view shown in FIG. 3, the exhaust pipe 6 is formed of a hollow cylindrical body as in the prior art, and its lower surface is closed by the inclined wall 16, and from the inclined wall 16 to the exhaust pipe 6. Two small holes 17 leading to the side are provided. While its upper end is closed by a safety valve 18 comprising a cap-shaped rubber valve, the upper forms a safety valve chamber 20 is covered with a top cover 19, the safety valve chamber 20, through the full I Luther 21 of porous The upper surface of the lid 2 communicates with the outside through an exhaust hole 5 opened in the recess 4 for accommodating the bolt and nut.
[0012]
As shown in FIG. 2, since the exhaust pipe 6 and the porous filter 21 are formed corresponding to the cell chambers adjacent to each other, the safety valve chamber 20 is formed so as to straddle the two cell chambers. It is what.
[0013]
Then, two arc-shaped screens were set up close to the exhaust tube 6 so as to sandwich the exhaust tube 6 to obtain a splash-proof plate 15. The length was formed to be lower by about 1 mm than the lower end of the exhaust tube 6.
[0014]
Further, as shown in FIG. 2, the liquid injection port 14 is formed of a cylindrical cylinder held by four arms 22, and its upper surface is closed by a sealing plug 23 after liquid injection. The aluminum foil with the upper surface laminated is fused, and the foil is peeled off at the time of use, and the container containing the electrolyte made of a predetermined amount of dilute sulfuric acid is turned upside down and poured into the upper end of the cylinder, and then injected. The sealing plug 23 is applied and closed.
[0015]
The lid, heat sealed to the conventional manner to the container, to produce a motorcycle sealed lead acid battery Do that actual Example 1 of six cell chamber.
[0016]
And motorcycle sealed lead-acid battery of the actual Example 1 of this, the motorcycle sealed lead acid battery of Example 2 except that no provided proof smear plate was prepared in the same manner as in Example 1 in the embodiment, in FIG. 5 100 sealed lead-acid batteries for motorcycles of Conventional Example 1 using the illustrated lid were manufactured, and the following tests were conducted.
[0017]
Each蓄 battery from its liquid injection port 13 into each cell chamber 8 was injected the same amount of electrolyte solution in a predetermined amount, after closing the pouring hole from the top with a sealing plug 2 3 immediately (liquid injection after the end After about 5 minutes), the storage battery was laid down so that the side surface (the front surface in FIG. 1) where both terminals are located was down, and vibration was applied. The vibration conditions were a frequency of 24.9 Hz and an acceleration of 3G for 120 minutes, and the leakage of the electrolyte from the exhaust pipe 6 was observed.
[0018]
The result is a lead acid battery in which a proof smear plate of the actual Example 1 in all its was no leakage of electrolyte from the stack 6. In addition, lead-acid battery has not provided a real 施例2 Boawaban was only there was a slight leakage from five of the storage battery. On the other hand, the thing of the prior art example 1 had a slight liquid leak in all the lead acid batteries.
[0019]
Moreover, where it was confirmed liquid level location of each cell compartment before starting these tests, a liquid level location indicated by a dotted line in each cell chamber in FIG. 5, the lid rear surface for the terminal and bolt and nut housing liquid level location of the cell chamber with a broad projection formed high, they no cell chamber was low.
[0020]
As the splash-proof plate 15, one flat partition as shown in FIG. 4A is provided on the side of the exhaust tube 6, one on the side of the liquid injection hole 13, and one on the lower side when placed horizontally. together it abuts provided, further may be provided one in the middle position location of the exhaust pipe 6 and the side wall was formed in a zigzag seat shape is inclined two screen plate-shaped such as shown in FIG. (b) diagonally Alternatively, the anti-splash plate 15 or the horseshoe-shaped end plate 15 as shown in FIG. Moreover, it is preferable that the length is at least as long as the length of the exhaust pipe 6 protruding on the back surface of the lid.
[0021]
In the above embodiment, a sealed lead-acid battery for a motorcycle having only one exhaust part common to the six cell chambers has been described. However, exhaust parts are formed in all the cell chambers in which no wide protrusions are formed. Also good.
[0022]
【The invention's effect】
Thus, according to the present invention, there is an effect that leakage of the electrolytic solution can be prevented.
[Brief description of the drawings]
FIG. 1 is a perspective view of a sealed lead-acid battery according to an embodiment of the present invention .
2 is a lid rear view of a sealed lead acid battery according to the first embodiment of the present invention.
3 is a cross-sectional view taken along line AA in FIG.
FIG. 4 is a partial view of the back of the lid showing another embodiment of the splash-proof plate .
FIG. 5 is a rear view of a lid of a sealed lead- acid battery according to a conventional example .
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Battery case 2 ... Cover 6 ... Exhaust part (exhaust pipe)
11 (9, 10) ... Projection (convex)
15 ... Splash-proof board
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002016072A JP4229616B2 (en) | 2002-01-24 | 2002-01-24 | Sealed lead acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002016072A JP4229616B2 (en) | 2002-01-24 | 2002-01-24 | Sealed lead acid battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003217547A JP2003217547A (en) | 2003-07-31 |
| JP4229616B2 true JP4229616B2 (en) | 2009-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002016072A Expired - Fee Related JP4229616B2 (en) | 2002-01-24 | 2002-01-24 | Sealed lead acid battery |
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| Country | Link |
|---|---|
| JP (1) | JP4229616B2 (en) |
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2002
- 2002-01-24 JP JP2002016072A patent/JP4229616B2/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| JP2003217547A (en) | 2003-07-31 |
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