JP2002358998A - Closed lead acid storage battery - Google Patents
Closed lead acid storage batteryInfo
- Publication number
- JP2002358998A JP2002358998A JP2001166173A JP2001166173A JP2002358998A JP 2002358998 A JP2002358998 A JP 2002358998A JP 2001166173 A JP2001166173 A JP 2001166173A JP 2001166173 A JP2001166173 A JP 2001166173A JP 2002358998 A JP2002358998 A JP 2002358998A
- Authority
- JP
- Japan
- Prior art keywords
- monitor terminal
- battery
- cell
- terminal
- storage battery
- 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
-
- 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
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- Secondary Cells (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、フロート充電ない
しトリクル充電で使用されている、例えば６〜１２Ｖ系
の鉛蓄電池であって、各セル毎の電圧を検出できるモニ
ター端子を備えている密閉形鉛蓄電池に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lead-acid battery of, for example, a 6 to 12 V system which is used in float charging or trickle charging, and has a sealed type having a monitor terminal capable of detecting a voltage of each cell. It relates to a lead storage battery.
【０００２】[0002]
【従来の技術】通常、密閉形鉛蓄電池は３セルないし６
セル直列で構成されており、６Ｖないし１２Ｖ電圧を取
り出すための正極と負極が一対になった端子構造を有し
ている。密閉形鉛蓄電池をフロート充電ないしトリクル
充電仕様で使用する場合、使用期間の経過と共に次第に
鉛電池の性能は低下し、最終的には使用不能に至る。し
かし、６〜１２Ｖの密閉形鉛蓄電池を構成する各セルの
性能劣化速度は必ずしも均等ではない。例えば、３〜６
セルのうち１セルだけが性能劣化しても、電池全体の性
能が低下してしまうことが一般的である。2. Description of the Related Art Normally, a sealed lead-acid battery has three to six cells.
It is configured in series with cells and has a terminal structure in which a positive electrode and a negative electrode are paired for extracting a voltage of 6V to 12V. When a sealed lead-acid battery is used in a float charge or trickle charge specification, the performance of the lead battery gradually decreases as the use period elapses, and eventually becomes unusable. However, the performance deterioration rates of the cells constituting the sealed lead-acid battery of 6 to 12 V are not always uniform. For example, 3-6
In general, even if the performance of only one of the cells deteriorates, the performance of the entire battery deteriorates.
【０００３】しかし、６〜１２Ｖ系電池を構成する全て
のセルの性能劣化を監視するには、電池製造時に各セル
にリード線等を取り付けてセルの異常を検出する回路や
モニター端子を取り付けなければならず、電池寸法が大
きくなった。However, in order to monitor the performance deterioration of all the cells constituting the 6 to 12 V system battery, it is necessary to attach a lead wire or the like to each cell at the time of manufacturing the battery and attach a circuit for detecting a cell abnormality and a monitor terminal. Battery size.
【０００４】例えば、特開平４−２９６４７２号公報に
は、電槽隔壁の上部に隣り合うセル間を接続する接続部
を有し、この接続部に電圧検出用のリード線が接続され
た鉛蓄電池が開示されている。この鉛蓄電池は、電槽蓋
に電圧検出器が内蔵され、この電圧検出器に前記リード
線が接続されて電池の異常がセル単位で検出されるよう
になっている。For example, Japanese Patent Application Laid-Open No. Hei 4-296472 discloses a lead-acid battery having a connecting portion for connecting adjacent cells at the top of a battery case partition wall, and a lead wire for voltage detection connected to this connecting portion. Is disclosed. In this lead storage battery, a voltage detector is built in a battery case lid, and the lead wire is connected to the voltage detector so that abnormality of the battery is detected in units of cells.
【０００５】しかし、このような電池は、前記接続部と
リード線を接続する作業が煩雑であり、蓋に電圧検出器
を内蔵するため、蓋の寸法が大きくなるという問題点を
有していた。さらに、前記検出器の部品コストが増大
し、電池コストが無視できない程増加するという問題点
を有していた。[0005] However, such a battery has a problem that the operation of connecting the connecting portion and the lead wire is complicated, and the voltage detector is built in the lid, so that the size of the lid becomes large. . Further, there is a problem that the component cost of the detector increases and the battery cost increases to a considerable extent.
【０００６】また、本出願人は、特願２０００−１９４
０７６号においてセル間接続部に電圧検出用センサー端
子を取り付け、この端子の一端を電槽の外側に突出させ
た制御弁式多セル型鉛電池を提案した。しかし、この電
池もセンサー端子（以下、モニター端子という）が電槽
側面から突出しているので、電池寸法が大きくなり、モ
ニター端子と接続部との接続作業が煩雑になるという問
題点を有した。[0006] The present applicant has filed Japanese Patent Application No. 2000-194.
No. 076 proposes a control valve type multi-cell lead battery in which a sensor terminal for voltage detection is attached to a connection portion between cells and one end of this terminal is projected outside the battery case. However, this battery also has a problem that the sensor terminal (hereinafter, referred to as a monitor terminal) protrudes from the side surface of the battery case, so that the size of the battery becomes large, and the connection work between the monitor terminal and the connection portion becomes complicated.
【０００７】[0007]
【発明が解決しようとする課題】本発明は、上記問題点
に鑑みてなされたものであって、その目的とするところ
は、外径寸法を変更することなく、各セルの電圧検出用
モニター端子を簡単に取り付けることができる密閉形鉛
蓄電池を提供することにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a monitor terminal for detecting the voltage of each cell without changing the outer diameter. It is an object of the present invention to provide a sealed lead-acid battery to which the battery can be easily attached.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、相隣るセルの中間極柱同士が接続部によ
り直列接続され、該中間極柱または接続部より電槽蓋表
面に向かって各セルの電圧を検出するためのモニター端
子が取り付けられた密閉形鉛蓄電池であって、前記モニ
ター端子は、上面が前記電槽蓋表面から突出しないよう
に取り付けられていることを特徴とする。In order to achieve the above-mentioned object, the present invention relates to an intermediate pole of adjacent cells is connected in series by a connecting portion, and the intermediate pole or the connecting portion is connected to the surface of the battery case lid. A sealed lead-acid battery to which a monitor terminal for detecting the voltage of each cell is attached, wherein the monitor terminal is attached such that the upper surface does not protrude from the battery case cover surface. And
【０００９】また、前記モニター端子は、上面がフラッ
トな頭部とねじ式のマウント部を有し、該マウント部の
先端が前記接続部に食い込んでいることを特徴とする。Further, the monitor terminal has a flat head portion and a screw-type mounting portion, and a tip of the mounting portion cuts into the connection portion.
【００１０】[0010]
【発明の実施の形態】本発明の実施形態を図面に基づい
て説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to the drawings.
【００１１】（実施形態１）図１は本発明の一実施形態
を示す上面図、図２は図１のＡ−Ａに沿って切断した側
断面図であり、１は電槽、２は電槽蓋、３は極群、４は
モニター端子を示す。電槽１は、隔壁５によって６個の
セル室に区画形成され、各セル室に極群３が収納され、
各セルが構成されている。前記極群３の上部には、同極
性の極板耳部を連結するストラップ６が形成され、この
ストラップ６の一端から端子極柱７、８または中間極柱
９が立ち上がっている。すなわち、図２では、左端のセ
ル室のストラップ６からは、正極の端子極柱７が立ち上
がり、中間のセル室のストラップ６からは、正極または
負極の中間極柱９が立ち上がり、右端のセル室のストラ
ップ６からは、負極の端子極柱８が立ち上がっている。
そして、相隣るセル室の異極性の中間極柱９と９同士
は、前記隔壁５の上部で接続部１０により連結され、各
セルを直列接続している。この接続部１０と中間極柱９
の上部は、蓋２の下面に形成された凹部１１内で樹脂１
２に埋設されて、セル間の液密性が保たれている。ま
た、正極と負極の端子極柱７と８は、上端が蓋２の上面
に形成された切り欠き部で外部に露出しており、中間部
が蓋２裏に形成された小さな凹部１３内で樹脂１２に囲
繞され、電池内外の気密性と液密性が保たれている。(Embodiment 1) FIG. 1 is a top view showing an embodiment of the present invention, FIG. 2 is a side sectional view taken along the line AA of FIG. The tank lid 3 is a pole group, and 4 is a monitor terminal. The battery case 1 is divided into six cell chambers by partition walls 5, and the electrode group 3 is stored in each cell chamber.
Each cell is configured. A strap 6 is formed on the upper part of the pole group 3 to connect the lugs of the same polarity, and the terminal pole poles 7, 8 or the intermediate pole pole 9 stand up from one end of the strap 6. That is, in FIG. 2, the positive terminal pole 7 rises from the strap 6 in the leftmost cell chamber, the positive pole or negative pole pole 9 rises from the strap 6 in the middle cell chamber, and the rightmost cell chamber rises. From the strap 6, the terminal pole 8 of the negative electrode rises.
Then, the intermediate poles 9 of different polarities in adjacent cell chambers are connected to each other by a connecting portion 10 at the upper part of the partition wall 5 to connect each cell in series. The connecting portion 10 and the intermediate pole 9
Of the resin 1 in the concave portion 11 formed on the lower surface of the lid 2
2 to maintain liquid tightness between cells. Further, the terminal poles 7 and 8 of the positive electrode and the negative electrode are exposed to the outside by notches formed on the upper surface of the lid 2, and an intermediate part is formed in a small recess 13 formed on the back of the lid 2. Surrounded by the resin 12, the airtightness and liquidtightness inside and outside the battery are maintained.
【００１２】また、前記モニター端子４は、下端が前記
接続部１０の上面に食い込み、中間部が前記凹部１１内
を通って、上端が前記蓋２上面に達している。この端子
４は、図３に示すように頭部１４上面がフラットでねじ
式のマウント部１５を有し、頭部上面が前記蓋２の上面
と一致している。そして、頭部上面にボルトを立てるこ
とができるタップを切った溝１６が形成されている。な
お、図３の（ａ）はモニター端子４の例を、（ｂ）は他
の例を示す。The monitor terminal 4 has a lower end biting into the upper surface of the connecting portion 10, an intermediate portion passing through the recess 11, and an upper end reaching the upper surface of the lid 2. As shown in FIG. 3, the terminal 4 has a flat top surface 14 and a screw-type mounting portion 15, and the top surface of the head coincides with the top surface of the lid 2. A groove 16 is formed on the upper surface of the head. 3A shows an example of the monitor terminal 4, and FIG. 3B shows another example.
【００１３】このモニター端子４を前記蓋２に取り付け
る方法は、前記溝１６にボルトをはめ、そのボルトを回
転させ、前記蓋２上面から前記隔壁５上部の前記接続部
１０上面に向かって螺入する。そして、センサー端子４
の下端が接続部１０に食い込み、モニター端子の上面が
蓋上面と一致した時点で螺入を止める。その後前記ボル
トを逆回転して取り外す。このようにすると、モニター
端子４を簡単に接続部１０に取り付けることができ、し
かも該端子４が電池の外径寸法を大きくすることがな
い。A method of attaching the monitor terminal 4 to the cover 2 is as follows. A bolt is inserted into the groove 16, and the bolt is rotated so that the monitor terminal 4 is screwed from the upper surface of the lid 2 toward the upper surface of the connection portion 10 above the partition 5. I do. And sensor terminal 4
When the lower end of the monitor terminal bites into the connection portion 10 and the upper surface of the monitor terminal coincides with the upper surface of the lid, the screwing is stopped. Thereafter, the bolt is rotated in the reverse direction and removed. In this way, the monitor terminal 4 can be easily attached to the connection portion 10, and the terminal 4 does not increase the outer diameter of the battery.
【００１４】なお、前記モニター端子４は、材質が電気
伝導性のよい銅、アルミニウム、鉄、ステンレスなどい
ずれでもよい。The monitor terminal 4 may be made of any material such as copper, aluminum, iron, and stainless steel, which have good electrical conductivity.
【００１５】（実施形態２）図４は、本発明の他の実施
形態を示す側断面図であり、実施形態１と同様の名称
は、同一符号で表す。本実施形態におけるセル間接続
は、隔壁５の貫通孔１８を通じて行われている。従っ
て、モニター端子４は、隔壁５が邪魔になり、実施形態
１のように接続部１０と接続することができない。そこ
で、本実施形態では、モニター端子４と中間極柱９を接
続する。(Embodiment 2) FIG. 4 is a side sectional view showing another embodiment of the present invention, and the same names as those in Embodiment 1 are denoted by the same reference numerals. The connection between cells in the present embodiment is performed through the through hole 18 of the partition wall 5. Therefore, the monitor terminal 4 cannot be connected to the connection portion 10 as in the first embodiment because the partition wall 5 is in the way. Therefore, in the present embodiment, the monitor terminal 4 and the intermediate pole 9 are connected.
【００１６】モニター端子４は、蓋２を貫通して直接中
間極柱９上面に食い込んでおり、実施形態１のように樹
脂により保護されていないので、図５のように中間極柱
に食い込まないマウント部１５表面に鉛または低融点は
んだなどの鉛合金のコーティング層１７が形成されてい
ることが好ましい。この層１７を形成しておくと、耐硫
酸性に優れるので、長期間使用しても腐食することがな
く、電圧が測定できなくなるという不具合を防止でき
る。また、この層１７は、せいぜい５０〜１００μｍ程
度であれば充分である。The monitor terminal 4 penetrates through the lid 2 and directly penetrates into the upper surface of the intermediate pole 9 and is not protected by resin as in the first embodiment, so that it does not bite into the intermediate pole as shown in FIG. It is preferable that a coating layer 17 of lead or a lead alloy such as a low melting point solder is formed on the surface of the mounting portion 15. By forming this layer 17, since it has excellent sulfuric acid resistance, it does not corrode even when used for a long period of time, and can prevent a problem that the voltage cannot be measured. It is sufficient that the layer 17 has a thickness of at most about 50 to 100 μm.
【００１７】なお、図５の（ａ）は図３の（ａ）モニタ
ー端子にコーティング層１７を、（ｂ）は図３の（ｂ）
のモニター端子にコーティング層を施したものである。FIG. 5 (a) shows the coating layer 17 on the monitor terminal of FIG. 3 (a), and FIG. 5 (b) shows the coating layer 17 of FIG.
The monitor terminal is provided with a coating layer.
【００１８】また、セル室と電池外部との液密性および
気密性を確保するために、蓋２の裏側に膨出部分１８を
設け、蓋２とモニター端子４の接触部分を長くするなど
の対策を講じることが好ましい。なお、この場合は層１
７は不要である。Further, in order to ensure liquid tightness and air tightness between the cell chamber and the outside of the battery, a bulging portion 18 is provided on the back side of the lid 2 to lengthen the contact portion between the lid 2 and the monitor terminal 4. It is preferable to take measures. In this case, layer 1
7 is unnecessary.
【００１９】また、モニター端子４を蓋２に取り付ける
には、前記したようにマウント部を螺入する他、蓋２の
当該箇所に予め孔を設けておき、この孔に挿入して接続
部１０または中間極柱９に食い込ませた後、前記孔の隙
間を樹脂により封口してもよい。In order to attach the monitor terminal 4 to the cover 2, in addition to screwing the mount portion as described above, a hole is provided in the corresponding portion of the cover 2 in advance, and the connection portion 10 is inserted into this hole. Alternatively, the gap between the holes may be sealed with a resin after being cut into the intermediate pole 9.
【００２０】本実施形態を用いてセル毎の電圧を測定す
る方法は、例えば次のようにする。すなわち、 本実施
形態の電池を放電させるときに、セル毎の電圧を検出す
るモニター端子４間およびモニター端子４と正極端子７
間およびモニター端子４と負極端子８間に電圧計を取り
つけ、放電時の各セル毎の電圧変動を監視する。The method of measuring the voltage of each cell using this embodiment is, for example, as follows. That is, when discharging the battery of the present embodiment, between the monitor terminal 4 for detecting the voltage of each cell, and between the monitor terminal 4 and the positive terminal 7.
A voltmeter is attached between the terminals and between the monitor terminal 4 and the negative electrode terminal 8 to monitor the voltage fluctuation of each cell during discharge.
【００２１】その結果、放電容量の小さくなったセルを
特定し、このセルのみを回復充電することによって特性
劣化を起こしていない他のセルに悪影響を与えることな
く、特定セルのみの特性回復が可能になり鉛蓄電池全体
の特性を回復できる。As a result, the cell whose discharge capacity is reduced is specified, and only this cell is recovered and charged, so that the characteristics of only the specific cell can be recovered without adversely affecting other cells which have not deteriorated in characteristics. And the characteristics of the entire lead storage battery can be restored.
【００２２】なお、本実施形態は、６セルの１２Ｖ系電
池について説明したが、それに限定させず、多セル型の
電池であればよい。また、モニター端子は蓋上面に設け
られているものを示したが、蓋の側面に設けられていて
もかまわない。Although the present embodiment has been described with reference to a 6-cell 12V battery, the present invention is not limited to this, and a multi-cell battery may be used. Further, although the monitor terminal is shown as being provided on the top surface of the lid, it may be provided on the side surface of the lid.
【００２３】[0023]
【発明の効果】以上詳述したように、本発明の請求項１
によれば、中間極柱または接続部と接続されたモニター
端子４は、蓋から突出することなく取り付けられている
ので、電池寸法を大きくすることがなく、コンパクトな
密閉形鉛蓄電池を提供できる。As described in detail above, claim 1 of the present invention
According to this, the monitor terminal 4 connected to the intermediate pole or the connection portion is attached without protruding from the lid, so that a compact sealed lead-acid battery can be provided without increasing the battery size.
【００２４】また、本発明の請求項２によれば、モニタ
ー端子を簡単に取り付けることができ、製造コストのか
からない、ひいては安価な密閉形鉛蓄電池を提供でき
る。Further, according to the second aspect of the present invention, it is possible to provide a sealed lead-acid battery in which the monitor terminal can be easily attached, the production cost is low, and the cost is low.
【図１】本発明の一実施形態を示す上面図である。FIG. 1 is a top view showing an embodiment of the present invention.
【図２】図１のＡ−Ａ側断面図である。FIG. 2 is a sectional view taken along the line AA of FIG.
【図３】本発明に係るモニター端子の実施形態を示す側
面図であり、（ａ）はその一例を、（ｂ）は他の例を示
す。3A and 3B are side views showing an embodiment of a monitor terminal according to the present invention, wherein FIG. 3A shows an example and FIG. 3B shows another example.
【図４】本発明の他の実施形態を示す側断面図である。FIG. 4 is a side sectional view showing another embodiment of the present invention.
【図５】図３のモニター端子にコーティング層を施した
実施形態を示す側面図であり、（ａ）は図３の（ａ）、
（ｂ）は図３の（ｂ）に対応する例を示す。5A and 5B are side views showing an embodiment in which a coating layer is applied to the monitor terminal of FIG. 3; FIG.
(B) shows an example corresponding to (b) in FIG.
２ 電槽蓋 ３ 極群（セル） ４ モニター端子 ９ 中間極柱 １０ 接続部 １４ 頭部 １５ マウント部 2 Battery case cover 3 Electrode group (cell) 4 Monitor terminal 9 Intermediate pole 10 Connection part 14 Head 15 Mounting part
Claims (2)
り直列接続され、該中間極柱または接続部より電槽蓋表
面に向かって各セルの電圧を検出するためのモニター端
子が取り付けられた密閉形鉛蓄電池であって、前記モニ
ター端子は、上面が前記電槽蓋表面から突出していない
ことを特徴とする密閉形鉛蓄電池。1. An intermediate pole of adjacent cells is connected in series by a connecting portion, and a monitor terminal for detecting a voltage of each cell from the intermediate pole or the connecting portion toward the surface of the battery case cover is attached. A sealed lead-acid battery, wherein the monitor terminal has an upper surface that does not protrude from a surface of the battery case cover.
頭部とねじ式のマウント部を有し、該マウント部の先端
が前記接続部に食い込んでいることを特徴とする請求項
１記載の密閉形鉛蓄電池。2. The hermetic seal according to claim 1, wherein the monitor terminal has a flat head portion and a screw-type mount portion, and a tip of the mount portion cuts into the connection portion. Lead-acid battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001166173A JP2002358998A (en) | 2001-06-01 | 2001-06-01 | Closed lead acid storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001166173A JP2002358998A (en) | 2001-06-01 | 2001-06-01 | Closed lead acid storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002358998A true JP2002358998A (en) | 2002-12-13 |
Family
ID=19008742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001166173A Pending JP2002358998A (en) | 2001-06-01 | 2001-06-01 | Closed lead acid storage battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002358998A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101547420B1 (en) * | 2014-01-14 | 2015-08-25 | 세방전지(주) | Voltage sensing apparatus for lead storage battery |
| CN110474012A (en) * | 2018-05-09 | 2019-11-19 | 松下知识产权经营株式会社 | Battery and battery system |
-
2001
- 2001-06-01 JP JP2001166173A patent/JP2002358998A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101547420B1 (en) * | 2014-01-14 | 2015-08-25 | 세방전지(주) | Voltage sensing apparatus for lead storage battery |
| CN110474012A (en) * | 2018-05-09 | 2019-11-19 | 松下知识产权经营株式会社 | Battery and battery system |
| CN110474012B (en) * | 2018-05-09 | 2023-04-07 | 松下知识产权经营株式会社 | Battery and battery system |
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