JPH0254861A - Hermetical forming method for storage battery terminal section - Google Patents
Hermetical forming method for storage battery terminal sectionInfo
- Publication number
- JPH0254861A JPH0254861A JP63204245A JP20424588A JPH0254861A JP H0254861 A JPH0254861 A JP H0254861A JP 63204245 A JP63204245 A JP 63204245A JP 20424588 A JP20424588 A JP 20424588A JP H0254861 A JPH0254861 A JP H0254861A
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical
- pole
- insulating material
- terminal
- brazing
- 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.)
- Granted
Links
- 238000003860 storage Methods 0.000 title claims description 14
- 238000000034 method Methods 0.000 title claims description 7
- 238000005219 brazing Methods 0.000 claims abstract description 53
- 239000011810 insulating material Substances 0.000 claims abstract description 44
- 230000002093 peripheral effect Effects 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 13
- 229910000833 kovar Inorganic materials 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 21
- 239000007787 solid Substances 0.000 abstract description 10
- 239000012671 ceramic insulating material Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 239000012774 insulation material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910017398 Au—Ni Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910017937 Ag-Ni Inorganic materials 0.000 description 1
- 229910017984 Ag—Ni Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910017709 Ni Co Inorganic materials 0.000 description 1
- 229910003267 Ni-Co Inorganic materials 0.000 description 1
- 229910003262 Ni‐Co Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/191—Inorganic material
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、蓄電池端子部の気密形成法に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a method for forming a storage battery terminal portion in an airtight manner.
従来の密閉蓄電池端子部の気密形成法は、次の通りであ
る。A conventional method for forming an airtight terminal portion of a sealed storage battery is as follows.
第３図のように電４１［Ａに穿設した極柱挿通用孔Ｂに
、電池の極板群のうち一方の極性の複数枚極板を接続す
るための基板Ｃの上面より垂直に延びる端子用極柱りを
、その中心で挿通せしめ、その挿通した端子用極柱りと
該極柱挿通用孔Ｂを囲繞する益孔周縁ａとの間を電気絶
縁し、且つ気密に封口するべく、その極柱りの外周と該
醤孔周縁ａとの間に電気絶縁材である筒状セラミック材
Ｅを介在させ、該極柱りと該筒状セラミック部材Ｅの内
周面とを互いに気密にろう付けＦし、該筒状セラミック
絶縁材Ｅの外周面と、該蓋孔周縁ａに外周端部りを溶接
Ｇなどで気密に結着した筒状金属フランジＨの内周端部
ｈ１とを互いに気密にろう付け工する。これにより気密
な端子部を形成している。As shown in Fig. 3, a hole B for insertion of a pole pole drilled in the battery 41 [A] extends perpendicularly from the top surface of the board C for connecting multiple pole plates of one polarity among the battery plate groups. In order to insert the terminal pole post at its center, electrically insulate between the inserted terminal pole post and the peripheral edge a of the hole B surrounding the pole pole insertion hole B, and seal it airtight. A cylindrical ceramic material E, which is an electrical insulating material, is interposed between the outer periphery of the pole pillar and the periphery a of the hole, and the pole pillar and the inner circumferential surface of the cylindrical ceramic member E are made airtight with each other. and an inner peripheral end h1 of a cylindrical metal flange H, which is brazed F and airtightly connected to the outer peripheral surface of the cylindrical ceramic insulating material E and the outer peripheral end to the peripheral edge a of the cover hole by welding G or the like. are brazed to each other airtight. This forms an airtight terminal portion.
従来の上記の蓄電池端子部の気密形成法において、該端
子用極柱りと該筒状絶縁材Ｅの内周面とをろう付けする
際、極柱はろう付け時の高熱を受けて径方向に熱膨張す
る。特に蓄電池を大容量化のなめ、該極柱の径をこれに
応じて大きくする必要がある場合は、その径を増大すれ
ば、そのろう付け接合時の高熱によりその径方向の膨張
率がそれだけ大きくなり、その大きい膨張力でその外周
の筒状絶縁材Ｅを押圧し、これによりクラックを生ぜし
める不都合をもたらす。In the conventional method for forming an airtight storage battery terminal section, when the terminal pole pole and the inner circumferential surface of the cylindrical insulating material E are brazed, the pole pole receives high heat during brazing and is radially bent. Thermal expansion occurs. In particular, if the capacity of the storage battery is increased and the diameter of the pole pillar needs to be increased accordingly, increasing the diameter will reduce the radial expansion rate due to the high heat during brazing. It becomes larger, and its large expansion force presses the cylindrical insulating material E on its outer periphery, resulting in the inconvenience of causing cracks.
本発明は、上記従来の不都合を解消し、円滑且つ確実に
端子用極柱と該筒状絶縁材とのろう付けを行い得るよう
にし、大容量の蓄電池の製造に適した蓄電池端子部の気
密形成法を提供するもので、電池蓋に設けた極柱挿通用
孔に挿通せしめた端子用極柱を、有底の筒状極柱に形成
すると共に該筒状極柱とその外周に配置した筒状の無機
質電気絶縁材とを気密にろう付けした後、該筒状極柱の
筒状壁で囲まれた上面開放の柱状凹孔内に、柱状コア部
材を該筒状壁の内周面との間にろう付け用の筒状間隙を
存して装填し、この状態で該柱状コア部材外周面と該筒
状壁内周面とをろう付けすることにより、該筒状極柱と
該柱状コア部材との一体物から成る端子に構成して成る
。The present invention solves the above-mentioned conventional inconveniences, enables smooth and reliable brazing of the terminal pole and the cylindrical insulating material, and provides air-tight sealing of storage battery terminals suitable for manufacturing large-capacity storage batteries. This method provides a forming method in which a terminal pole is inserted into a pole insertion hole provided in a battery cover, and is formed into a bottomed cylindrical pole, and is arranged around the cylindrical pole and its outer periphery. After air-tightly brazing the cylindrical inorganic electrical insulating material with the cylindrical inorganic electrical insulating material, the cylindrical core member is inserted into the cylindrical recessed hole surrounded by the cylindrical wall of the cylindrical pole column and the inner peripheral surface of the cylindrical wall. By leaving a cylindrical gap for brazing between the columnar core member and the inner circumferential surface of the cylindrical wall, the outer peripheral surface of the columnar core member and the inner peripheral surface of the cylindrical wall are brazed. The terminal is constructed as an integral part with a columnar core member.
本発明によれば、該端子用極柱は、従来の中実の極柱と
異なり、中空の筒状極柱であり、筒状壁で構成されてい
るため、その筒状壁の外周に該筒状絶縁材をろう付けす
るときは、ろう付け時の熱による径方向の膨張は極めて
小さいので、該筒状壁の膨張によるその外周の該筒状絶
縁材への押圧力も小さくなり、これによる筒状絶縁材の
亀裂は防止される。°その後、柱状コア部材を、該筒状
の内部の凹孔内に装填し、その筒状壁内周面と該コア部
材との間に存せしめた筒状間隙を介してろう付け接合を
行うときは、該コア部材の熱膨張は該筒状間隙に吸収さ
れ、その筒状壁を介しての該筒状絶縁部材へは全く乃至
殆ど伝わらず、且つ最終的に中実の端子が形成されると
共にその外周の該筒状絶縁材との気密性のよい蓄電池端
子部が構成される。従って、筒状壁の径を大きくし大容
量型蓄電池に適した大径の極柱端子の気密形成に有利で
ある。According to the present invention, the terminal pole pole, unlike the conventional solid pole pole, is a hollow cylindrical pole pole and is composed of a cylindrical wall. When brazing cylindrical insulating materials, the expansion in the radial direction due to the heat during brazing is extremely small, so the pressing force of the outer periphery against the cylindrical insulating material due to the expansion of the cylindrical wall is also small. Cracking of the cylindrical insulation material due to this is prevented. °Then, the columnar core member is loaded into the recessed hole inside the cylindrical body, and brazing is performed through the cylindrical gap left between the inner circumferential surface of the cylindrical wall and the core member. In this case, the thermal expansion of the core member is absorbed by the cylindrical gap, and little or no thermal expansion is transmitted to the cylindrical insulating member through the cylindrical wall, and a solid terminal is finally formed. At the same time, the storage battery terminal portion is configured to have good airtightness with the cylindrical insulating material on its outer periphery. Therefore, the diameter of the cylindrical wall is increased, which is advantageous for airtight formation of a large-diameter pole terminal suitable for a large-capacity storage battery.
この場合、該コア部材として、銅、銅合金などを使用す
ることにより、極めて電気抵抗を減少せしめることがで
き、充放電性能のよい端子が得られ、その筒状壁の径の
増大に伴い、それだけ、良導電性と充放電性能の向上し
た端子が得られる。In this case, by using copper, copper alloy, etc. as the core member, the electrical resistance can be extremely reduced and a terminal with good charging and discharging performance can be obtained, and as the diameter of the cylindrical wall increases, Accordingly, a terminal with improved conductivity and charge/discharge performance can be obtained.
又、該コア部材と該端子用極柱の筒状壁とのろう付けを
、該端子用極柱の筒状壁と該筒状絶縁部材とのろう付け
時の温度よりも低い温度で行うときは、更に、該筒状壁
と該筒状絶縁材とのろう付け接合部に伝わる熱を低くで
き、そのろう付け接合部の品質の熱劣化が防止できる。Further, when the core member and the cylindrical wall of the terminal pole pole are brazed at a temperature lower than the temperature during brazing between the cylindrical wall of the terminal pole pole and the cylindrical insulating member. Further, the heat transmitted to the brazed joint between the cylindrical wall and the cylindrical insulating material can be reduced, and thermal deterioration of the quality of the brazed joint can be prevented.
次に、本発明の実施例を第１図乃至第３図に基づき説明
する。Next, an embodiment of the present invention will be described based on FIGS. 1 to 3.
図面で１は、本発明より構成した気密な端子部の要部で
ある端子用筒状極柱を示す、該筒状極柱１は、極板群の
うちのいずれか一方の極性の複数枚の極板を接続する基
板１ａと該基板１ａの上面にその中央部を底壁とした垂
直上方に一体に延びる比較的大径の円筒状壁１ｂとから
成る。In the drawings, reference numeral 1 indicates a cylindrical pole pole for a terminal, which is a main part of the airtight terminal constructed according to the present invention. It consists of a substrate 1a to which the electrode plates are connected, and a cylindrical wall 1b having a relatively large diameter and integrally extending vertically upward on the upper surface of the substrate 1a with the center portion as the bottom wall.
該筒状極柱１は、コバール（Ｆｅ−Ｎｉ−Ｃｏ合金）な
どの腐食性金属で作製される。該筒状極柱１は、そのス
テンレススチールなどの金属製益２に設けた端子用極柱
挿通用孔３にその中心においてその筒状壁１ｂを挿通さ
せ、その開放上端を外部に突出せしめて配置される。該
筒状極柱１とその外周の端子用極柱挿通用孔３を囲繞す
る塁孔周壁２ａとの間の環状空間を電気絶縁材を介して
封口し、気密に相互に結着するに当たり、その筒状極柱
１と益孔周壁２ａとの間の筒状空間内に耐熱性セラミッ
ク製絶縁材などの無機質の筒状電気絶縁材４を介入し、
該筒状電気絶縁材４の外周面と、該益孔２ａに外周端縁
５ａで溶接６などで気密に結着されたコバールなどの耐
腐食性の金属製フランジ５の下向きにＵ字状に折り曲げ
た内周ｆ）ｉｆ１５ｂとを気密にろう付け７することに
より前記の封口結着が得られる。更に、本発明によれば
、該筒状極柱１外周面とその外周の該筒状電気絶縁材４
内周面とも前記と同様に筒状のろう付け接合８を行うこ
とにより、本発明の気密端子部が得られる。実施例にお
いて、該筒状電気絶縁材４を下面から支持するべく、該
筒状極柱１の筒状を１ｂの外周に広く延びる外周壁上面
に、内周端９ａで溶接１０などにより結着した筒状のコ
バールなどの耐アルカリ腐食性フランジ９の外周の棚状
支持端部９ｂにおいて、該筒状絶縁材４の下部周縁をろ
う付け７することにより、該筒状絶縁材４を下部からも
安定に支持固定して、該筒状絶縁材４と該筒状極柱１と
の封口結着並に該筒状絶縁材４とその外周のフランジ５
との封口結着を安定堅牢にした。更に、該筒状極柱１の
下部とその外周の該環状絶縁材４の下部内周面とを前記
のろう材で互いにろう付け８′することが好ましい。The cylindrical pole post 1 is made of corrosive metal such as Kovar (Fe-Ni-Co alloy). The cylindrical pole post 1 has its cylindrical wall 1b inserted at its center into a terminal pole insertion hole 3 provided in a metal member 2 made of stainless steel, etc., and its open upper end protrudes to the outside. Placed. In sealing the annular space between the cylindrical pole pole 1 and the hole circumferential wall 2a surrounding the terminal pole pole insertion hole 3 on its outer periphery via an electrical insulating material, and airtightly connecting them to each other, An inorganic cylindrical electrical insulating material 4 such as a heat-resistant ceramic insulating material is interposed in the cylindrical space between the cylindrical pole column 1 and the peripheral wall 2a of the hole,
A downward U-shaped flange 5 made of corrosion-resistant metal such as Kovar is airtightly connected to the outer peripheral surface of the cylindrical electrical insulating material 4 and the beneficial hole 2a at the outer peripheral edge 5a by welding 6 or the like. By airtightly brazing 7 the bent inner periphery f) if15b, the above-mentioned sealing and bonding can be obtained. Furthermore, according to the present invention, the outer peripheral surface of the cylindrical pole pole 1 and the cylindrical electrical insulating material 4 on the outer periphery thereof.
By performing a cylindrical brazing joint 8 on the inner circumferential surface in the same manner as described above, the airtight terminal portion of the present invention can be obtained. In the embodiment, in order to support the cylindrical electrical insulating material 4 from below, the cylindrical shape of the cylindrical pole pole 1 is connected to the upper surface of the outer peripheral wall extending widely around the outer periphery of 1b by welding 10 or the like at the inner peripheral end 9a. By brazing 7 the lower periphery of the cylindrical insulating material 4 at the shelf-like support end 9b on the outer periphery of the cylindrical alkali corrosion-resistant flange 9 made of Kovar, etc., the cylindrical insulating material 4 is removed from the bottom. The cylindrical insulating material 4 and the cylindrical pole pole 1 are sealed together and the flange 5 on the outer periphery of the cylindrical insulating material 4 is stably supported and fixed.
Stable and robust sealing with. Furthermore, it is preferable that the lower part of the cylindrical pole pole 1 and the lower inner circumferential surface of the annular insulating material 4 on its outer periphery are brazed 8' to each other with the brazing material described above.
上記の全てのろう材は、例えば耐アルカリ性のＡｕ−Ｎ
ｉろう材（八ｕ８２．５％）であり、該筒状絶縁材４の
内外周面には、予めＮｏ−Ｈｎなどでメタライジングを
施し、更に、Ｎｉメツキを施すことにより、その内周面
で該筒状極柱１の外周面とのろう付け接合及びその外周
面で該筒状フランジ５とのろう付け接合を良好に行える
ようにした。ろう付け作業は、９５０〜９７０℃で炉中
で行う、この炉中ろう付け作業を行うとき、該筒状極柱
１は熱膨張するが、従来の中実の端子用極柱と異なり、
本考案によれば、内部が上面開放の柱状凹孔１１を有す
る筒状壁１ｂであるため、同じ高熱を受けてもその径方
向の熱膨張率は、中実の極柱に比し著しく小さくなるの
で、その膨張力により内側からその外周の該筒状絶縁材
４にかｉる押圧力は極めて小さくなり、該絶縁材４にク
ラックなどの破損を生ずることが防止される。従って、
大容量の電池を得るため該筒状極柱１の筒状壁１ｂは、
その筒状極柱１の径を増大させても、中実の極柱と異な
り、その内部は凹孔中空であるので、その低膨脹率は増
大せず、従って又、筒状絶縁材４に対する内側からの押
圧力も小さく維持でき、常に、その外周のｍ状絶縁材４
にクラックを生ずることなく良好なろう付け気密結着が
保証される。All the brazing filler metals mentioned above may be used, for example, alkali-resistant Au-N
The inner and outer circumferential surfaces of the cylindrical insulating material 4 are pre-metalized with No-Hn, etc., and are further plated with Ni to improve the inner circumferential surface. Thus, it is possible to perform a good brazing connection with the outer circumferential surface of the cylindrical pole pole 1 and a good brazing connection with the cylindrical flange 5 on the outer circumferential surface. The brazing work is performed in a furnace at 950 to 970°C. When performing this furnace brazing work, the cylindrical pole post 1 thermally expands, but unlike conventional solid pole poles for terminals,
According to the present invention, since the inside is a cylindrical wall 1b having a columnar recessed hole 11 with an open top surface, the coefficient of thermal expansion in the radial direction is significantly smaller than that of a solid pole even if it receives the same high heat. Therefore, due to the expansion force, the pressing force applied from the inside to the outer periphery of the cylindrical insulating material 4 becomes extremely small, and damage such as cracks to the insulating material 4 is prevented. Therefore,
In order to obtain a large capacity battery, the cylindrical wall 1b of the cylindrical pole pole 1 is
Even if the diameter of the cylindrical pole pole 1 is increased, unlike a solid pole pole, its interior is hollow with a concave hole, so its low expansion rate does not increase, and therefore, the cylindrical insulating material 4 The pressing force from the inside can also be kept small, and the m-shaped insulating material 4 on the outer periphery is always
A good brazed hermetic connection is ensured without cracking.
本発明によれば、このように、内部に柱状凹孔１１をも
つ筒状壁１において筒状極柱１とその外周の筒状絶縁材
４との安定堅牢なろう付けを行うことができるが、かす
る筒状極柱１のま＼では、大容Ｊ１！池の端子には適さ
ない。本発明によれば、この目的を達成するために、次
の工程で第２図示の如く、該筒状極柱１の柱状凹孔１１
内に、その筒状壁１ｂの内径よりや・小径の金属製柱状
コア部材１２を、その筒状壁１ｂ内周面と柱状コア部材
１２外周面との間にろう材充填用の筒状間隙１１ａを存
して装填し、ろう材１３をその筒状間隙１１ａ内に炉内
で加熱溶融充填し、その柱状コア部材１２とその外周の
筒状極柱１の筒状壁１ｂ内周面とをその高さの略全長に
亘りろう付け１３シて、両部材を一体的に結着して、従
来と同様の中実の極柱端子１４を得な。このろう材の加
熱溶融温度により、該コア部材１２は熱膨張するが、そ
の外周にはろう材充填用筒状間隙１１ａが存するので、
その膨張力がこれに吸収され、外部の筒状絶縁材４にま
で及ぶことが全く乃至殆どないので、このろう付け作業
においても該筒状絶縁材４のクラックの発生がなく、最
終的に該筒状壁１ａとその内部に充填のコア部材１２と
が一体物となった、換言すれば、中実の極柱端子１４が
従来に比し大径のものに、従って大容量の蓄電池の端子
１４として適したものが得られる。According to the present invention, stable and robust brazing can be performed between the cylindrical pole column 1 and the cylindrical insulating material 4 on the outer periphery of the cylindrical pole column 1 in the cylindrical wall 1 having the columnar recessed hole 11 inside. , while the cylindrical pole pole 1 is still large, it is J1! Not suitable for pond terminals. According to the present invention, in order to achieve this object, in the next step, as shown in the second figure, the columnar recessed hole 11 of the cylindrical pole column 1 is
A metal columnar core member 12 having a diameter slightly smaller than the inner diameter of the cylindrical wall 1b is placed inside the cylindrical wall 1b, and a cylindrical gap for filling the brazing material is provided between the inner circumferential surface of the cylindrical wall 1b and the outer circumferential surface of the columnar core member 12. 11a, and fill the cylindrical gap 11a with the brazing filler metal 13 by heating and melting it in a furnace. By brazing 13 over substantially the entire height of the two members and bonding them together, a solid pole terminal 14 similar to the conventional one is obtained. The core member 12 thermally expands due to the heating and melting temperature of the brazing material, but since there is a cylindrical gap 11a for filling the brazing material on its outer periphery,
Since the expansion force is absorbed by this and hardly ever reaches the external cylindrical insulating material 4, no cracks occur in the cylindrical insulating material 4 during this brazing work, and the final result is The cylindrical wall 1a and the core member 12 filled inside are integrated, in other words, the solid pole terminal 14 has a larger diameter than the conventional one, and therefore is suitable for a terminal of a large capacity storage battery. 14 is obtained.
該柱状コア部材１２は、コバールでもよいが、導電性の
極めて良い、従って、電気抵抗が極めて低い鋼材又は銅
を主体とした合金が好ましい。The columnar core member 12 may be made of Kovar, but is preferably made of steel or a copper-based alloy that has extremely good conductivity and therefore extremely low electrical resistance.
ろう材としては、該柱状コア部材１２がコバールなどの
比較的高融点の金属であれば、前記の八ｕ−Ｎ ｉろう
材の比較的高融点のろう材でもよいが、該別又は銅を主
体とした合金の金属である場合は、溶融温度が比較的低
いろう材、例えばＡｇ−Ｎ ｉろう材を用いてもよい、
該柱状コア部材１２としては、その外周を耐腐食性のコ
バールから成る筒状壁１ｂで被覆されて居り、アルカリ
電解液との接触のおそれがないため、耐アルカリ性の不
十分な銅系の金属が使用できる。かくして、特に、柱状
コア部材１２として銅その他の銅系金属を使用した場合
は、電気抵抗が小さく、大容址電池の端子１５として特
に良好である。As the brazing material, if the columnar core member 12 is a metal with a relatively high melting point such as Kovar, the above-mentioned 8U-Ni brazing material with a relatively high melting point may be used. If the main alloy is a metal, a brazing material with a relatively low melting temperature, such as Ag-Ni brazing material, may be used.
The outer periphery of the columnar core member 12 is covered with a cylindrical wall 1b made of corrosion-resistant Kovar, and since there is no risk of contact with an alkaline electrolyte, copper-based metals with insufficient alkali resistance can be used. can be used. Thus, in particular, when copper or other copper-based metal is used as the columnar core member 12, the electrical resistance is low and it is particularly suitable as the terminal 15 of a large capacity battery.
又本発明によれば、該柱状コア部材１２と該筒状壁１ｂ
とのろう付け１３の温度を、該筒状壁１ｂとその外周の
筒状絶縁材４とをろう付け８．８′する温度よりも低く
するときは、その熱により、筒状壁１ｂと環状絶縁材４
との間のろう付け部８が熱劣化することを充分に防止で
きる０例えば、ろう材として八ｇ−Ｃｕを使用し、比較
的低温の約８５０’Ｃでろう付け１３するときは、該筒
状壁１ｂの外周面と該筒状絶縁部材４とをろう付け接合
８とをろう付けする約９５０〜９７０’Ｃの高温に比し
著しく低温度で得られ、経済的且つ容易なろう付け作業
を行うことができ、従って、能率的且つ経済的に蓄電池
の密封端子を形成できる。Further, according to the present invention, the columnar core member 12 and the cylindrical wall 1b
When the temperature of the brazing 13 is lower than the temperature at which the cylindrical wall 1b and the cylindrical insulating material 4 on its outer periphery are brazed 8.8', the heat causes the cylindrical wall 1b and the annular Insulating material 4
For example, when using 8g-Cu as the brazing material and brazing 13 at a relatively low temperature of about 850'C, This is an economical and easy brazing operation that can be achieved at a significantly lower temperature than the high temperature of approximately 950 to 970'C used to braze the outer circumferential surface of the shaped wall 1b and the cylindrical insulating member 4 to the brazing joint 8. Therefore, a sealed terminal of a storage battery can be formed efficiently and economically.
該柱状コア部材１２とその外周の筒状壁１ｂとの筒状間
隙１３は０．５〜ｌ ＋＋＋ｓ＋程度あれば充分である
。It is sufficient that the cylindrical gap 13 between the columnar core member 12 and the cylindrical wall 1b on its outer periphery is about 0.5 to l +++s+.
尚、柱状コア部材１２の頂部は図示の如く外周に張り出
した更に大径に作製してもよい。Incidentally, the top of the columnar core member 12 may be made to have an even larger diameter so as to protrude to the outer periphery as shown in the figure.
実施例１
外径６．５市、内径５６５市、従って肉ｆｖｌ印の筒状
壁をもつコバール製の筒状極柱を金属蓋板の極柱挿通孔
の中心に挿通突出させ、その外周の接合されている筒状
セラミック製絶縁材との間に、Ａｕ−Ｎ ｉろう材を介
在させ、炉内で９５０〜９７０’Ｃの温度でろう付けし
たが、絶縁材にクラックの発生が見られなかった０次で
、該筒状極柱の筒状壁内部の柱状凹孔内に、径４．０市
のＣｕ製柱状コア部材をその外周に、該筒状壁との間に
０．７５＋ｎｍの筒状間隙を存せしめてその底壁内面中
心に載置装填し、この状態で、その筒状間隙部上面に八
（１−Ｃｕろう材を載置した後、炉内で前記の温度より
著しく低い約８５０℃の温度でろう材を溶融して該筒状
間隙内に充填して、該柱状コア部材と該筒状壁とのろう
付けを行い、銅製柱状コア部材とコバール製筒状との一
体物から成る端子を気密に且つ電気絶縁を介して結着し
て有する電池蓋を得た。その節状セラミック絶縁材には
全くクラックが見られなかった。Example 1 A cylindrical pole pole made of Kovar having an outer diameter of 6.5 mm and an inner diameter of 565 mm, and thus having a cylindrical wall with the FVL mark, was inserted into the center of the pole pole insertion hole of the metal cover plate and projected, and the outer circumference of the pole pole was inserted into the center of the pole pole insertion hole of the metal cover plate. An Au-Ni brazing material was interposed between the joined cylindrical ceramic insulating material and the material was brazed at a temperature of 950 to 970'C in a furnace, but cracks were observed in the insulating material. In the cylindrical concave hole inside the cylindrical wall of the cylindrical pole column, a Cu columnar core member with a diameter of 4.0 cm was placed on the outer periphery, and a distance of 0.75+nm between the cylindrical wall and the cylindrical wall. A cylindrical gap is left in the center of the inner surface of the bottom wall. In this state, after placing the 8 (1-Cu) brazing material on the top surface of the cylindrical gap, the temperature is lowered to the above temperature in a furnace. The brazing material is melted at a significantly low temperature of about 850° C. and filled into the cylindrical gap, and the columnar core member and the cylindrical wall are brazed, thereby forming a copper columnar core member and a Kovar tube. A battery lid was obtained which had a terminal made of a single piece, which was airtightly connected via electrical insulation.No cracks were observed in the nodular ceramic insulating material.
実施例２
外径７市、内径５．８關、従って肉厚１ 、２Ｉｕｌの
コバール製筒状壁をもつ筒状極柱とその外周の筒状セラ
ミック製絶縁材とを実施例１と同様に＾ｕ−Ｎｉろう材
でろう付け接合後、その筒状壁内部の柱状凹孔内に径４
、６ＩｕＩの調性円柱状コア部材をその底壁面の中心
に載置装填し、その外周に、該筒状壁内周面との間に存
せしめた０、６鴎の筒状間隔内に八ｇ−Ｃｕろう材を溶
融充填して銅性柱状コア部材と該コバール製筒状壁との
一体物から成る端子を気密に且つ電気絶縁を介して結着
して有する電池蓋を得た。その筒状セラミック絶縁材に
は全くクラックが見られなかった。Example 2 A cylindrical pole pole having a cylindrical wall made of Kovar with an outer diameter of 7 mm, an inner diameter of 5.8 mm, and a wall thickness of 1 and 2 μl, and a cylindrical ceramic insulating material around the outer periphery were prepared in the same manner as in Example 1. ^After soldering with u-Ni brazing material, a diameter 4.
, 6 IuI is mounted on the center of the bottom wall surface, and on the outer periphery, within the cylindrical interval of 0.6 IuI between the inner peripheral surface of the cylindrical wall and the A battery lid was obtained which had a terminal made of a copper columnar core member and the Kovar cylindrical wall connected together in an airtight manner through electrical insulation by melting and filling g-Cu brazing material. No cracks were observed in the cylindrical ceramic insulation material.
比較のなめ、外径７叩の中実の極柱とその外周の筒状セ
ラミック製絶縁材とを実施例１と同様にＡｕ−Ｎｉろう
材でろう付け接合した所、その筒状セラミック製絶縁材
にクラックが発生していた。For comparison, a solid pole pole with an outer diameter of 7 mm and a cylindrical ceramic insulating material on its outer periphery are brazed together using Au-Ni brazing material in the same manner as in Example 1. There were cracks in the material.
このように、本発明によるときは、電池蓋と該益にあけ
た端子用極柱挿通用孔に挿通した端子用極柱との間を、
筒状の！！機質絶縁材とろう付け接合とを介して、気密
に封口するに当たり、該端子用極柱を、内部が柱状凹孔
の有底筒状極柱に形成し、その筒状壁とその外周の筒状
の無機質絶縁材をろう付けするようにしたので、そのろ
う付け時の熱により、筒状極柱が膨張してその膨張力で
環状無機質絶縁材にクラックを発生ずるおそれを全くな
くすことができる９次で、その筒状極柱の筒状壁内部の
柱状凹孔内に、柱状コア部材をその筒状壁との間にろう
材充填用の筒状間隙を存して装填し、その間隙内に注入
したろう材で相互のろう付けを行うことにより、該筒状
壁と柱状コア部材とが一体物となった従来と同様の中実
の端子が構成されるので、従来の中実極柱をそのｔ−大
径としこれにセラミック製絶縁材をろう付け接合すると
きに生ずるクラックの発生がなく円滑に大径の端子を構
成でき、従って、大容量の電池に適した大径の端子の製
造が不可能であった従来の不利を解決し、筒状壁の径を
所望により大径とすることにより、或いは、柱状コア部
材として銅系の金属を使用することにより、特に電気抵
抗の著しく低下した極めて良導電性の端子をもたらし、
電池の充放電特性を向上し得られる。又、その製造工程
において、柱状コア部材と筒状壁とのろう付け温度を筒
状壁と環状絶縁材とのろう付け温度よりも低い温度で行
うときは、該筒状壁と該筒状絶縁材とのろう付け接合部
に対し、熱による悪影響を与えることなく、環状絶縁材
にひゾ割れなく、而も、良品質の強固なろう付け接合を
保持することができ、安定良好に気密性をもつ端子部を
得られる等の効果を有する。As described above, according to the present invention, the distance between the battery cover and the terminal pole post inserted into the terminal pole insertion hole made in this way,
Cylindrical! ! In order to seal the terminal airtightly through the organic insulating material and the brazed joint, the terminal pole is formed into a bottomed cylindrical pole with a columnar recessed hole inside, and the cylindrical wall and its outer periphery are Since the cylindrical inorganic insulating material is brazed, there is no possibility that the cylindrical pole column will expand due to the heat during brazing and the expansion force will cause cracks in the annular inorganic insulating material. The columnar core member is loaded into the columnar concave hole inside the cylindrical wall of the cylindrical pole column with a cylindrical gap for filling the brazing material between the cylindrical pole column and the cylindrical core member. By brazing each other with the brazing filler metal injected into the gap, a solid terminal similar to the conventional one in which the cylindrical wall and the columnar core member are integrated is constructed. A large-diameter terminal can be constructed smoothly without cracks that occur when a ceramic insulating material is brazed to a large-diameter pole pole, and therefore a large-diameter terminal suitable for large-capacity batteries By solving the conventional disadvantage that it was impossible to manufacture terminals, by increasing the diameter of the cylindrical wall as desired, or by using copper-based metal as the columnar core member, the electrical resistance can be improved. resulting in extremely good conductive terminals with significantly reduced
It can be obtained by improving the charging and discharging characteristics of batteries. In addition, in the manufacturing process, if the brazing temperature between the columnar core member and the cylindrical wall is lower than the brazing temperature between the cylindrical wall and the annular insulating material, the cylindrical wall and the cylindrical insulating material There is no adverse effect of heat on the brazed joint with the material, there is no cracking in the annular insulation material, and a strong brazed joint of good quality can be maintained, resulting in stable and airtightness. This has the advantage that it is possible to obtain a terminal portion with a
第１図及び第２図は、本発明の端子部の気密形成法のＩ
Ｓを示し、第１図は、その第一工程の端子部のｆａ断面
図、第２図は、その第二工程の端子部の縦断面図、第３
図は、従来法の端子部の気密形成法を示す縦断面図であ
る。
１・・・筒状極柱 １ａ・・・基板
１Ｃ・・・底壁 ２・・・蓋
３・・・端子用極柱挿通孔
４・・・筒状無機ｆｆ絶縁材
８・・・ろう付け部
１２・・・柱状コア部材
１１・・・柱状凹孔、中空孔
１ｂ・・・筒状壁
２ａ・・・益孔周壁
１３・・・ろう材充填用筒状間隙
１４・・・ろう付け部 １５・・・端子第１図FIGS. 1 and 2 show I of the airtight formation method of the terminal portion of the present invention.
1 is a fa sectional view of the terminal part in the first step, FIG. 2 is a longitudinal sectional view of the terminal part in the second step, and the third
The figure is a longitudinal cross-sectional view showing a conventional method for forming an airtight terminal portion. 1... Cylindrical pole column 1a... Substrate 1C... Bottom wall 2... Lid 3... Pole column insertion hole for terminal 4... Cylindrical inorganic FF insulation material 8... Brazing Part 12...Columnar core member 11...Column-shaped recessed hole, hollow hole 1b...Cylindrical wall 2a...Benefit hole peripheral wall 13...Cylindrical gap for filling brazing material 14...Brazing part 15...Terminal diagram 1
Claims (1)
極柱を、有底の筒状極柱に形成すると共に該筒状極柱と
その外周に配置した筒状の無機質電気絶縁材とを気密に
ろう付けした後、該筒状極柱の筒状壁で囲まれた上面開
放の柱状凹孔内に、柱状コア部材を該筒状壁の内周面と
の間にろう付け用の筒状間隙を存して装填し、この状態
で該柱状コア部材外周面と該筒状壁内周面とをろう付け
することにより、該筒状極柱と該柱状コア部材との一体
物から成る端子に構成して成る蓄電池端子部の気密形成
法。 ２、該筒状極柱部材は、コバールなどから成る耐腐食性
の金属から成り、該柱状コア部材は、銅などの極めて良
導電性部材から成る請求項１に記載の蓄電池端子部の気
密形成法。 ３、該筒状壁とその内部の該柱状コア部材とのろう付け
は、該筒状極柱とその外周の筒状の無機質絶縁材とをろ
う付けする温度より低い温度で行うことを特徴とする請
求項１又は２に記載の蓄電池端子部の気密形成法。[Claims] 1. A terminal pole inserted into a pole insertion hole provided in a battery cover is formed into a bottomed cylindrical pole and is arranged around the cylindrical pole and its outer periphery. After air-tightly brazing the cylindrical inorganic electrical insulating material with the cylindrical inorganic electrical insulating material, the cylindrical core member is inserted into the cylindrical recessed hole surrounded by the cylindrical wall of the cylindrical pole column and the inner peripheral surface of the cylindrical wall. By leaving a cylindrical gap for brazing between the columnar core member and the inner circumferential surface of the cylindrical wall, the outer peripheral surface of the columnar core member and the inner peripheral surface of the cylindrical wall are brazed. A method for forming an airtight terminal portion of a storage battery, which is formed into a terminal integrally formed with a columnar core member. 2. The airtight formation of the storage battery terminal portion according to claim 1, wherein the cylindrical pole member is made of a corrosion-resistant metal such as Kovar, and the columnar core member is made of an extremely conductive material such as copper. Law. 3. The brazing between the cylindrical wall and the columnar core member inside the columnar wall is performed at a temperature lower than the temperature at which the cylindrical pole column and the cylindrical inorganic insulating material on its outer periphery are brazed. 3. The method of forming a storage battery terminal part in an airtight manner according to claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63204245A JPH0766798B2 (en) | 1988-08-17 | 1988-08-17 | Airtight method for battery terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63204245A JPH0766798B2 (en) | 1988-08-17 | 1988-08-17 | Airtight method for battery terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0254861A true JPH0254861A (en) | 1990-02-23 |
| JPH0766798B2 JPH0766798B2 (en) | 1995-07-19 |
Family
ID=16487258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63204245A Expired - Fee Related JPH0766798B2 (en) | 1988-08-17 | 1988-08-17 | Airtight method for battery terminal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0766798B2 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5446979A (en) * | 1992-04-20 | 1995-09-05 | Hitachi Construction Machinery Co., Ltd. | Hydraulic circuit system for civil engineering and construction machines |
| WO1997024772A1 (en) * | 1995-12-28 | 1997-07-10 | Olimpio Stocchiero | A sealing tubular element for the poles of electric accumulators |
| JP2000058033A (en) * | 1998-08-07 | 2000-02-25 | Japan Storage Battery Co Ltd | Nonaqueous electrolyte battery |
| JP2001176492A (en) * | 1999-12-17 | 2001-06-29 | Kyocera Corp | Battery terminal |
| US6586912B1 (en) | 2002-01-09 | 2003-07-01 | Quallion Llc | Method and apparatus for amplitude limiting battery temperature spikes |
| KR20030088770A (en) * | 2002-05-15 | 2003-11-20 | 김성환 | Electrodes for a battery |
| US6891353B2 (en) | 2001-11-07 | 2005-05-10 | Quallion Llc | Safety method, device and system for an energy storage device |
| US7443136B2 (en) | 2002-01-09 | 2008-10-28 | Quallion Llc | Method and device employing heat absorber for limiting battery temperature spikes |
| US7592776B2 (en) | 2001-11-07 | 2009-09-22 | Quallion Llc | Energy storage device configured to discharge energy in response to unsafe conditions |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58117064U (en) * | 1982-02-03 | 1983-08-10 | 古河電池株式会社 | Battery lid with ceramic seal poles |
-
1988
- 1988-08-17 JP JP63204245A patent/JPH0766798B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58117064U (en) * | 1982-02-03 | 1983-08-10 | 古河電池株式会社 | Battery lid with ceramic seal poles |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5446979A (en) * | 1992-04-20 | 1995-09-05 | Hitachi Construction Machinery Co., Ltd. | Hydraulic circuit system for civil engineering and construction machines |
| WO1997024772A1 (en) * | 1995-12-28 | 1997-07-10 | Olimpio Stocchiero | A sealing tubular element for the poles of electric accumulators |
| JP2000058033A (en) * | 1998-08-07 | 2000-02-25 | Japan Storage Battery Co Ltd | Nonaqueous electrolyte battery |
| JP2001176492A (en) * | 1999-12-17 | 2001-06-29 | Kyocera Corp | Battery terminal |
| US6891353B2 (en) | 2001-11-07 | 2005-05-10 | Quallion Llc | Safety method, device and system for an energy storage device |
| US7592776B2 (en) | 2001-11-07 | 2009-09-22 | Quallion Llc | Energy storage device configured to discharge energy in response to unsafe conditions |
| US6586912B1 (en) | 2002-01-09 | 2003-07-01 | Quallion Llc | Method and apparatus for amplitude limiting battery temperature spikes |
| US7443136B2 (en) | 2002-01-09 | 2008-10-28 | Quallion Llc | Method and device employing heat absorber for limiting battery temperature spikes |
| US7893659B2 (en) | 2002-01-09 | 2011-02-22 | Quallion Llc | Method and apparatus for amplitude limiting battery temperature spikes |
| KR20030088770A (en) * | 2002-05-15 | 2003-11-20 | 김성환 | Electrodes for a battery |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0766798B2 (en) | 1995-07-19 |
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