JPH0473284B2 - - Google Patents
Info
- Publication number
- JPH0473284B2 JPH0473284B2 JP59000040A JP4084A JPH0473284B2 JP H0473284 B2 JPH0473284 B2 JP H0473284B2 JP 59000040 A JP59000040 A JP 59000040A JP 4084 A JP4084 A JP 4084A JP H0473284 B2 JPH0473284 B2 JP H0473284B2
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing plate
- sealing body
- elastic insulator
- holes
- sealing
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 26
- 239000012212 insulator Substances 0.000 claims description 22
- 239000003990 capacitor Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 5
- 238000005452 bending Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Electrophonic Musical Instruments (AREA)
- Primary Cells (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、封口部に改良を加え、封口強度、耐
熱性の向上を図り、特性、品質を安定にした電解
コンデンサに関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an electrolytic capacitor whose sealing portion is improved, its sealing strength and heat resistance are improved, and its characteristics and quality are stabilized.
（従来例の構成とその問題点）
第１図は従来の電解コンデンサの構成を示す断
面図であり、有底筒状のアルミニウムなどの金属
ケース１にコンデンサ素子２を収納し、ケース開
口部に絞り加工部３と折曲加工部４とによつて、
フエノール積層板５とゴム板６を貼合せた封口板
７を封着し、この封口板７にリベツト８を貫通さ
せ、上端でターミナル９を、下端でコンデンサ素
子２から引き出されたリード１０，１１をワツシ
ヤ１２を介して接続して構成されていた。(Conventional configuration and its problems) Figure 1 is a cross-sectional view showing the configuration of a conventional electrolytic capacitor, in which a capacitor element 2 is housed in a bottomed cylindrical metal case 1 made of aluminum, etc. By the drawing part 3 and the bending part 4,
A sealing plate 7 made by laminating the phenol laminate 5 and the rubber plate 6 is sealed, a rivet 8 is passed through the sealing plate 7, a terminal 9 is attached at the upper end, and leads 10, 11 are drawn out from the capacitor element 2 at the lower end. were connected via washers 12.
最近、この種の電解コンデンサは、高温度使用
が一般化しており、従来のフエノール積層板５と
ゴム板６を貼合わせた封口体では、高温中におい
て、フエノール板の熱変形強度が低下し、封口強
度が弱くなるため、少しの内部圧の上昇で封口体
が湾曲変形したり、内部圧力が上昇し過ぎると、
コンデンサ素子が突出してしまう危険性があつ
た。 Recently, it has become common for this type of electrolytic capacitor to be used at high temperatures, and in the conventional sealing body made by laminating the phenol laminate 5 and the rubber plate 6, the thermal deformation strength of the phenol plate decreases at high temperatures. Since the sealing strength becomes weak, the sealing body may become curved due to a slight increase in internal pressure, or if the internal pressure increases too much,
There was a risk that the capacitor element would protrude.
（発明の目的）
本発明は、上述したような従来の問題点を除去
するもので、高温中の使用においても封口強度の
大幅な低下を防止し、製品の特性、品質の向上を
図つた電解コンデンサを提供することを目的とす
るものである。(Objective of the Invention) The present invention eliminates the above-mentioned conventional problems.The present invention is an electrolytic method that prevents a significant decrease in sealing strength even when used at high temperatures and improves product characteristics and quality. The purpose is to provide capacitors.
（発明の構成）
上記目的を達成するために、本発明の電解コン
デンサは、高硬度で熱変形の小さい金属、セラミ
ツクまたは高分子材料から成る補強板の全面を弾
性絶縁体で被覆し、さらに前記補強板に複数個の
貫通孔を設けて、この貫通孔を前記弾性絶縁体で
埋めた封口体を用いたものである。(Structure of the Invention) In order to achieve the above object, the electrolytic capacitor of the present invention has a reinforcing plate made of a metal, ceramic, or polymer material with high hardness and low thermal deformation, the entire surface of which is covered with an elastic insulator, and further A sealing body is used in which a plurality of through holes are provided in the reinforcing plate and the through holes are filled with the elastic insulator.
上記構成の封口体によれば、高硬度で熱変形の
小さい金属、セラミツクまたは高分子材料から成
る補強板を有しているため、耐熱強度を確保する
ことができ、また前記補強板の全面を弾性絶縁体
で被覆しているため、この弾性絶縁体により、電
解液に対する耐溶媒性や絶縁性および気密性を確
保することができ、さらに前記補強板に複数個の
貫通孔を設け、この貫通孔を弾性絶縁体で埋めて
いるため、補強板と弾性絶縁体の上面部および下
面部との接着性を接着剤等を用いずに確保するこ
とができるものである。 According to the sealing body having the above structure, since it has a reinforcing plate made of metal, ceramic, or polymeric material with high hardness and small thermal deformation, heat-resistant strength can be ensured, and the entire surface of the reinforcing plate can be Since it is coated with an elastic insulator, this elastic insulator can ensure solvent resistance against electrolyte, insulation, and airtightness.In addition, the reinforcing plate is provided with a plurality of through holes, and the reinforcement plate is provided with a plurality of through holes. Since the holes are filled with the elastic insulator, adhesiveness between the reinforcing plate and the upper and lower surfaces of the elastic insulator can be ensured without using an adhesive or the like.
（実施例の説明）
以下、本発明の実施例を第２図乃至第５図を用
いて説明する。(Description of Examples) Examples of the present invention will be described below with reference to FIGS. 2 to 5.
第２図は本発明の電解コンデンサの第１実施例
の全体構成を示す断面図であり、１３は補強板、
１４は弾性絶縁体、１５は封口体、１６および１
７はリベツト８を貫通させる貫通孔を示し、また
前記補強板１３には前記貫通孔１６，１７以外に
後述する小径の貫通孔が設けられている。その他
の符号を付けた部材は第１図に示した部材と同じ
ものである。 FIG. 2 is a sectional view showing the overall structure of the first embodiment of the electrolytic capacitor of the present invention, and 13 is a reinforcing plate;
14 is an elastic insulator, 15 is a sealing body, 16 and 1
Reference numeral 7 indicates a through hole through which the rivet 8 passes, and the reinforcing plate 13 is provided with small diameter through holes, which will be described later, in addition to the through holes 16 and 17. The other reference numerals are the same as those shown in FIG.
金属ケース１はアルミニウムの有底ケースであ
り、この金属ケース１内には陽極および陰極用の
電極箔をセパレータを介して巻回して、電解液が
含浸されたコンデンサ素子２が収納されている。
この金属ケース１の開口部には、硬度が高く熱変
形の小さい、Al，Ti，Ta，Feなどの金属、ある
いはセラミツク、高分子材料などから成る補強板
１３の全面をゴムのような弾性絶縁体１４で被覆
して構成した封口体１５が絞り加工部３と折曲加
工部４によつて封着されている。 The metal case 1 is an aluminum case with a bottom, and a capacitor element 2 impregnated with an electrolytic solution is housed in the metal case 1 by winding electrode foils for an anode and a cathode with a separator interposed therebetween.
The opening of the metal case 1 is covered with a reinforcing plate 13 made of metal such as Al, Ti, Ta, Fe, ceramic, polymer material, etc., which has high hardness and low thermal deformation, and is insulated with an elastic material such as rubber. A sealing body 15 formed by covering the body 14 is sealed by the drawing part 3 and the bending part 4.
前記封口体１５には、補強板１３にリベツト８
を貫通させる貫通孔１６，１７が設けられ、貫通
孔１６，１７の内面も弾性絶縁体１４で被覆され
ており、貫通孔１６，１７には上端にターミナル
９を固着し、下端にワツシヤ１２を介してコンデ
ンサ素子２から引出される陽極内部リード１０、
陰極内部リード１１を電気的および機械的に結合
するリベツト８が装着されている。 The sealing body 15 has rivets 8 on the reinforcing plate 13.
The inner surfaces of the through holes 16 and 17 are also covered with an elastic insulator 14, and the terminals 9 are fixed to the upper ends of the through holes 16 and 17, and the washer 12 is attached to the lower ends of the through holes 16 and 17. an anode internal lead 10 led out from the capacitor element 2 through the
A rivet 8 is attached which electrically and mechanically connects the cathode internal lead 11.
上述したように封口体１５は全面が弾性絶縁体
１４で被覆されているため、電解液に接触する面
や外側面は、弾性絶縁体１４の物性を考慮すれば
よく、また両面の絶縁性も確保させており、補強
板１３の材質選択についての自由度が非常に大き
く、耐熱強度は補強板１３により向上させること
ができ、高温度使用が可能となる。 As mentioned above, the entire surface of the sealing body 15 is covered with the elastic insulator 14, so the surface that comes into contact with the electrolyte and the outer surface only need to be determined by considering the physical properties of the elastic insulator 14, and the insulation properties of both sides can also be adjusted. Therefore, the degree of freedom in selecting the material of the reinforcing plate 13 is very large, and the heat resistance strength can be improved by the reinforcing plate 13, making it possible to use at high temperatures.
第３図は本発明の第２実施例における要部の構
成を示す断面図であり、絞り加工部３の位置を第
２図に示した第１実施例の構成と異ならせ、外形
寸法の小形化を図つたものである。 FIG. 3 is a cross-sectional view showing the configuration of the main parts in the second embodiment of the present invention, in which the position of the drawing part 3 is different from the configuration of the first embodiment shown in FIG. This is an attempt to make the world a better place.
第２実施例では、コンデンサ素子２と封口体１
５とを、コンデンサ素子２から引き出された内部
リード１０，１１とアルミワツシヤ１２を介して
かしめ、電気的、機械的に結合させたものを有底
ケース１の絞り加工部３の無いケースに収納した
後、折曲加工と絞り加工を行い、折曲加工部４と
絞り加工部３の位置を封口体１５の補強体１３の
外周位置としたものである。 In the second embodiment, a capacitor element 2 and a sealing body 1
5 were swaged through the internal leads 10 and 11 pulled out from the capacitor element 2 and the aluminum washer 12, and were electrically and mechanically coupled and housed in a case without the drawing part 3 of the bottomed case 1. After that, bending and drawing are performed, and the positions of the bending part 4 and the drawing part 3 are set to the outer circumferential position of the reinforcing body 13 of the sealing body 15.
コンデンサ素子２の収納能力は、絞り加工部３
の内径で決まり、第２実施例の封口体により、後
加工が可能となり、収納能力が増加し、同一容量
での外径寸法の小形化が図れる。 The storage capacity of the capacitor element 2 is determined by the drawing section 3.
The sealing body of the second embodiment enables post-processing, increases the storage capacity, and reduces the outer diameter size with the same capacity.
第４図は上記第１，第２実施例に使用される封
口体の一例を示す平面図およびそのＡ−A′断面
図であり、１３は補強板、１４は弾性絶縁体、１
６および１７はリベツトの貫通孔、１８は小孔よ
りなる貫通孔である。 FIG. 4 is a plan view showing an example of the sealing body used in the first and second embodiments, and a sectional view thereof taken along the line A-A', in which 13 is a reinforcing plate, 14 is an elastic insulator, 1
6 and 17 are through holes for rivets, and 18 is a through hole consisting of a small hole.
第４図の封口体では、補強板１３に複数個の貫
通孔１８を設け、この貫通孔１８を弾性絶縁体１
４で埋めることにより、補強板１３と弾性絶縁体
１４の上面部１９および下面部２０との接着性を
接着剤等を用いずに確保するようにしたものであ
る。なお、この貫通孔１８は約１mmφ程度がよ
い。 In the sealing body shown in FIG. 4, a plurality of through holes 18 are provided in the reinforcing plate 13, and the through holes 18 are connected to the
4, the adhesiveness between the reinforcing plate 13 and the upper surface portion 19 and lower surface portion 20 of the elastic insulator 14 is ensured without using an adhesive or the like. Note that this through hole 18 preferably has a diameter of about 1 mm.
第５図は封口体の他の例を示す平面図および断
面図である。この第５図の封口体では、補強板１
３の外周に複数個のリブ２１を設け、このリブ２
１を補強板１３の全面を弾性絶縁体１４で被覆す
る場合、位置決めガイドとして利用することで、
弾性絶縁体１４と補強板１３の偏心を無くすよう
にしたものであり、この場合も第４図の封口体と
同様に約１mmφ程度の貫通孔を設ける。 FIG. 5 is a plan view and a sectional view showing another example of the sealing body. In the sealing body shown in FIG. 5, the reinforcing plate 1
A plurality of ribs 21 are provided on the outer periphery of the rib 2.
1 is used as a positioning guide when covering the entire surface of the reinforcing plate 13 with the elastic insulator 14.
It is designed to eliminate eccentricity between the elastic insulator 14 and the reinforcing plate 13, and in this case as well, a through hole of about 1 mmφ is provided as in the sealing body shown in FIG.
第６図は封口強度温度特性を示すもので、Ａは
本実施例による特性、Ｂは従来例による特性を示
し、本実施例の封口強度が大幅に改善されている
ことを示している。 FIG. 6 shows the temperature characteristics of the sealing strength, where A indicates the characteristic according to this embodiment and B indicates the characteristic according to the conventional example, showing that the sealing strength of this embodiment is greatly improved.
なお、測定条件は、ケース径30mmφ、ケース厚
0.04mm、従来例封口材厚（フエノール積層板2.0
mm、ゴム板1.0mm）、補強板厚1.0mm、弾性絶縁体
0.8mmである。 The measurement conditions are case diameter 30mmφ and case thickness.
0.04mm, conventional sealing material thickness (phenol laminate 2.0
mm, rubber plate 1.0mm), reinforcement plate thickness 1.0mm, elastic insulator
It is 0.8mm.
（発明の効果）
以上説明したように、本発明の電解コンデンサ
における封口体は、高硬度で熱変形の小さい金
属、セラミツクまたは高分子材料から成る補強板
を有しているため、耐熱強度を確保することがで
き、また前記補強板の全面を弾性絶縁体で被覆し
ているため、この弾性絶縁体により、電解液に対
する耐溶媒性や絶縁性および気密性を確保するこ
とができ、さらに前記補強板には複数個の貫通孔
を設け、この貫通孔を弾性絶縁体で埋めているた
め、補強板と弾性絶縁体の上面部および下面部と
の接着性を接着剤等を用いずに確保することがで
きるものである。(Effects of the Invention) As explained above, the sealing body in the electrolytic capacitor of the present invention has a reinforcing plate made of metal, ceramic, or polymeric material with high hardness and low thermal deformation, so that heat-resistant strength is ensured. In addition, since the entire surface of the reinforcing plate is covered with an elastic insulator, the elastic insulator can ensure solvent resistance, insulation, and airtightness against the electrolyte. The plate has multiple through holes and these holes are filled with an elastic insulator, ensuring adhesion between the reinforcing plate and the upper and lower surfaces of the elastic insulator without using adhesives. It is something that can be done.
第１図は従来の電解コンデンサの構成を示す断
面図、第２図は本発明の電解コンデンサの第１実
施例の全体構成を示す断面図、第３図は本発明の
第２実施例における要部の構成を示す断面図、第
４図は補強板に貫通孔を設けた封口体を示す図、
第５図は補強板の外周にリブを設けた封口体を示
す図、第６図は本発明の実施例と従来例について
封口強度温度特性を比較して示した図である。
１…金属ケース、２…コンデンサ素子、３…絞
り加工部、４…折曲加工部、５…フエノール積層
板、６…ゴム板、７…封口体、８…リベツト、９
…ターミナル、１０，１１…リード、１２…ワツ
シヤ、１３…補強板、１４…弾性絶縁体、１５…
封口体、１６，１７，１８…貫通孔、２１…リ
ブ。
FIG. 1 is a cross-sectional view showing the structure of a conventional electrolytic capacitor, FIG. 2 is a cross-sectional view showing the overall structure of the first embodiment of the electrolytic capacitor of the present invention, and FIG. 4 is a cross-sectional view showing the structure of the part, and FIG.
FIG. 5 is a diagram showing a sealing body in which ribs are provided on the outer periphery of a reinforcing plate, and FIG. 6 is a diagram comparing the sealing strength temperature characteristics of an embodiment of the present invention and a conventional example. DESCRIPTION OF SYMBOLS 1... Metal case, 2... Capacitor element, 3... Drawn part, 4... Bending part, 5... Phenol laminate, 6... Rubber plate, 7... Sealing body, 8... Rivet, 9
...Terminal, 10, 11...Lead, 12...Washer, 13...Reinforcement plate, 14...Elastic insulator, 15...
Sealing body, 16, 17, 18... through hole, 21... rib.
Claims (1)
たは高分子材料から成る補強板の全面を弾性絶縁
体で被覆し、さらに前記補強板に複数個の貫通孔
を設けて、この貫通孔を前記弾性絶縁体で埋めた
封口体を用いたことを特徴とする電解コンデン
サ。 ２ 補強板に複数個のリブを設けたことを特徴と
する特許請求の範囲第１項記載の電解コンデン
サ。[Scope of Claims] 1. A reinforcing plate made of metal, ceramic, or polymeric material with high hardness and low thermal deformation is entirely covered with an elastic insulator, and a plurality of through holes are provided in the reinforcing plate. An electrolytic capacitor characterized by using a sealing body in which a through hole is filled with the elastic insulator. 2. The electrolytic capacitor according to claim 1, wherein the reinforcing plate is provided with a plurality of ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4084A JPS60144930A (en) | 1984-01-05 | 1984-01-05 | Electrolytic condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4084A JPS60144930A (en) | 1984-01-05 | 1984-01-05 | Electrolytic condenser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60144930A JPS60144930A (en) | 1985-07-31 |
| JPH0473284B2 true JPH0473284B2 (en) | 1992-11-20 |
Family
ID=11463199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4084A Granted JPS60144930A (en) | 1984-01-05 | 1984-01-05 | Electrolytic condenser |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60144930A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63164209A (en) * | 1986-12-25 | 1988-07-07 | 南海ラバ−株式会社 | Electrolytic capacitor terminal plate and manufacture of the same and casting die for the same |
| JPS63147810U (en) * | 1987-03-19 | 1988-09-29 | ||
| JPH0614470Y2 (en) * | 1988-03-17 | 1994-04-13 | ニチコン株式会社 | Electrolytic capacitor |
| CN106847549B (en) * | 2015-12-05 | 2023-09-05 | 佛山市欣源电子股份有限公司 | Preparation method of super capacitor energy storage structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5731840B2 (en) * | 1977-08-03 | 1982-07-07 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5568340U (en) * | 1978-11-06 | 1980-05-10 | ||
| JPS5731840U (en) * | 1980-07-29 | 1982-02-19 |
-
1984
- 1984-01-05 JP JP4084A patent/JPS60144930A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5731840B2 (en) * | 1977-08-03 | 1982-07-07 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60144930A (en) | 1985-07-31 |
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