JPS6320111Y2 - - Google Patents
Info
- Publication number
- JPS6320111Y2 JPS6320111Y2 JP1794282U JP1794282U JPS6320111Y2 JP S6320111 Y2 JPS6320111 Y2 JP S6320111Y2 JP 1794282 U JP1794282 U JP 1794282U JP 1794282 U JP1794282 U JP 1794282U JP S6320111 Y2 JPS6320111 Y2 JP S6320111Y2
- Authority
- JP
- Japan
- Prior art keywords
- anchor screw
- hole
- screw
- tightening bolt
- electrolytic capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 claims description 27
- 239000011888 foil Substances 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000036962 time dependent Effects 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)
Description
【考案の詳細な説明】
本考案はインピーダンス特性を改良した電解コ
ンデンサに関するものである。[Detailed Description of the Invention] The present invention relates to an electrolytic capacitor with improved impedance characteristics.
従来の電解コンデンサは、第１図に示すように
陽極箔および陰極箔に引出しリード板２を加締な
どによる方法で各々接続せしめた後、電解紙を介
して巻回してコンデンサ素子３を形成する。 In a conventional electrolytic capacitor, as shown in FIG. 1, a lead plate 2 is connected to an anode foil and a cathode foil by caulking or the like, and then the capacitor element 3 is formed by winding the lead plate 2 with electrolytic paper interposed therebetween. .
次に該素子３に電解液を含浸してあらかじめ封
口板４に装着した端子１と引出リード板２を接続
して外装用ケース５に収納し、該ケース５の開口
部を巻締め密封したものであつた。 Next, the element 3 is impregnated with electrolyte, the terminal 1 attached to the sealing plate 4 in advance and the lead plate 2 are connected, and the element 3 is housed in the exterior case 5, and the opening of the case 5 is sealed. It was hot.
上述のようなコンデンサにおいて、従来インピ
ーダンスの低下をはかるためには
(1) 引出しリード板の数を増す。 Conventionally, in a capacitor such as the one described above, in order to reduce the impedance, (1) the number of lead plates is increased;
(2) 電解液などの比抵抗を下げる。(2) Lower the specific resistance of electrolyte, etc.
(3) セパレータの厚みや密度を下げる。(3) Reduce the thickness and density of the separator.
などのことが行なわれていた。Things like this were being done.
しかしながら、これらの方法ではインピーダン
スの低下には限界を有し、大きな障害となつてい
た。 However, these methods have limits to impedance reduction, which has been a major obstacle.
本考案は上述のような欠点を解消し、インピー
ダンスを低減せしめると共に、素子と引出リード
板の間の接触抵抗も減少して、製造工程の簡略化
をはかり、コストを著しく低減させた電解コンデ
ンサを提供しようとするものである。 The present invention solves the above-mentioned drawbacks and provides an electrolytic capacitor that reduces impedance, reduces contact resistance between the element and the lead plate, simplifies the manufacturing process, and significantly reduces costs. That is.
以下、本考案を第２図〜第１０図に示す実施例
について説明する。 Hereinafter, the present invention will be described with reference to embodiments shown in FIGS. 2 to 10.
第２図はコンデンサ素子の斜視図で、陽極用電
極箔６および陰極用電極箔７を電解紙などのセパ
レータを介して端面に各々の電極箔６，７がはみ
出るように巻回したコンデンサ素子を偏平形状に
加工した後、電極両端面部８をレーザ溶接、アー
ク溶接、プラズマ溶接などにより溶着し、貫通孔
９を貫通させて偏平形コンデンサ素子１０を形成
し、これに電解液を含浸する。１１は溶着部であ
る。 FIG. 2 is a perspective view of a capacitor element, in which an anode electrode foil 6 and a cathode electrode foil 7 are wound with a separator such as electrolytic paper in between so that each electrode foil 6 and 7 protrude from the end face. After processing into a flat shape, the electrode end surfaces 8 are welded by laser welding, arc welding, plasma welding, etc., and the through holes 9 are penetrated to form a flat capacitor element 10, which is impregnated with an electrolyte. 11 is a welded part.
第３図イまたはロは電解液を介して電極箔と局
部電池を形成しないアルミニウムなどの金属また
は樹脂、ガラス、セラミツクなどの絶縁物からな
るスペーサー１２で、所定の高さと貫通孔１３を
有し、イは貫通孔１３が１個の場合、ロは２個の
場合で、スペーサー１２の形状は直方体、円柱、
角柱などがが利用できる。第４図はアルミニウム
などからなる締付ボルト１４で、ネジ部１５に設
けた六角状頭部１６にはんだ付け可能な外部端子
のリード線１７が溶接されている。またリード線
１７は製品完成後に溶接してもよい。第５図はア
ルミニウムなどからなるアンカービス１８で、イ
に示すように金属筒１９と金属鍔２０が一体に形
成され、金属筒１９の周辺部に軸方向に沿つて複
数のスリツト２１（図の場合等間間に３箇所）お
よびアンカービス１８の先端部に締付ボルト１４
と縲合するネジ孔２３が設けられている。２４は
爪状の回転止用係止部である。ロはイのアンカー
ビス１８に締付ボルト１４のネジ部１５を通して
螺合した際のアンカービス１８の変形斜視図で、
螺合することにより金属筒１９が広げられ、金属
鍔２０の方向に締付けられるようになつている。 3A or 3B is a spacer 12 made of a metal such as aluminum or an insulating material such as resin, glass, or ceramic that does not form a local battery with the electrode foil through an electrolytic solution, and has a predetermined height and a through hole 13. , A is the case where there is one through hole 13, B is the case where there are two through holes 13, and the shape of the spacer 12 is a rectangular parallelepiped, a cylinder, or
Square pillars etc. can be used. FIG. 4 shows a tightening bolt 14 made of aluminum or the like, and a lead wire 17 of a solderable external terminal is welded to a hexagonal head 16 provided on a threaded portion 15. Further, the lead wire 17 may be welded after the product is completed. FIG. 5 shows an anchor screw 18 made of aluminum or the like, in which a metal tube 19 and a metal collar 20 are integrally formed as shown in A, and a plurality of slits 21 (as shown in the figure) are formed along the axial direction around the metal tube 19. Attach the tightening bolt 14 to the tip of the anchor screw 18)
A screw hole 23 is provided to be connected to the screw hole 23. 24 is a claw-shaped rotation stopper. B is a deformed perspective view of the anchor screw 18 when it is screwed into the anchor screw 18 of A through the threaded portion 15 of the tightening bolt 14;
By screwing together, the metal cylinder 19 is expanded and tightened in the direction of the metal collar 20.
次に第６図イに示すように上述の偏平形コンデ
ンサ素子１０の貫通孔９にアンカービス１８を挿
通し、締付ボルト１４を封口板２５、スペーサー
１２を介して上記アンカービス１８に螺合させて
締付ける。このときコンデンサ素子１０の陽極用
電極箔６および陰極用電極箔７は、第６図ロ，ハ
のようにアンカービス１８の金属筒１９の広がり
によつて締付けられ、上記電極箔同志が強固に密
着し、第７図のように固定される。次にこれを第
８図に示すようにアルミニウム、樹脂などのケー
ス２６に収納して密封される。 Next, as shown in FIG. 6A, the anchor screw 18 is inserted into the through hole 9 of the flat capacitor element 10, and the tightening bolt 14 is screwed into the anchor screw 18 through the sealing plate 25 and the spacer 12. and tighten. At this time, the anode electrode foil 6 and the cathode electrode foil 7 of the capacitor element 10 are tightened by the spread of the metal cylinder 19 of the anchor screw 18, as shown in FIG. They are brought into close contact and fixed as shown in Figure 7. Next, as shown in FIG. 8, this is housed in a case 26 made of aluminum, resin, etc. and sealed.
本考案の電解コンデンサは以上のようにして構
成されたものである。 The electrolytic capacitor of the present invention is constructed as described above.
したがつて偏平形コンデンサ素子１０のはみ出
した陽極用電極箔６および陰極用電極箔７にアン
カービス１８を貫通させて締付ボルト１４を螺合
させると、アンカービス１８の金属筒１９がスリ
ツト２１より３方向に広がり、上記電極箔６，７
が押圧され、接触面積が増加するとともに、電極
箔６，７が金属鍔２０と金属筒１９の広がり部に
よつて締付けられるので、電極箔６，７同志の密
着が強固になり、接触抵抗が著しく抵減され、高
周波におけるインピーダンスが大幅に低減でき
る。また接続抵抗の経時変化が従来品に比し極め
て少なく安定するなどの効果がある。 Therefore, when the anchor screw 18 is passed through the protruding anode electrode foil 6 and the cathode electrode foil 7 of the flat capacitor element 10 and the tightening bolt 14 is screwed, the metal cylinder 19 of the anchor screw 18 is inserted into the slit 21. The electrode foils 6 and 7 spread further in three directions.
is pressed, the contact area increases, and the electrode foils 6 and 7 are tightened by the widening part of the metal collar 20 and the metal tube 19, so the close contact between the electrode foils 6 and 7 becomes strong and the contact resistance is reduced. The impedance at high frequencies can be significantly reduced. It also has the effect of being stable, with significantly less change in connection resistance over time than conventional products.
第９図は上述の実施例に基づいて定格80V、
5000μFの本考案の電解コンデンサを製作し、同
定格の従来品とともにインピーダンスを測定し比
較した結果を示す。図から明らかなように高周波
においてインピーダンスが大幅に低減されること
が実証された。また第１０図は同定格のコンデン
サについて、電極箔とリード線の間の接触抵抗と
85℃高温放置時間との関係を示す経時変化特性図
で、本考案品は従来品に比して接触抵抗の経時変
化の面においても優れていることが実証された。 Figure 9 shows a rating of 80V based on the above example.
A 5000μF electrolytic capacitor of the present invention was manufactured, and the impedance was measured and compared with a conventional product with the same rating.The results are shown below. As is clear from the figure, it was demonstrated that impedance was significantly reduced at high frequencies. Figure 10 also shows the contact resistance between the electrode foil and the lead wire for capacitors with the same rating.
A time-dependent characteristic diagram showing the relationship with the time of high temperature storage at 85°C shows that the product of the present invention is superior to conventional products in terms of the change in contact resistance over time.
なお、上述の実施例はアンカービス１８と螺合
し、締付ける締付ボルト１４とリード線１７を電
気的に接続したものについて述べたが、アンカー
ビス１８とリード線１７を電気的に接続してもよ
い。また外部端子は上述のリード線１７に限ら
ず、印刷基板挿入用など端子の形状を適宜変形し
て利用できるものである。 In addition, although the above-mentioned embodiment described the one in which the lead wire 17 was electrically connected to the tightening bolt 14 that was screwed into and tightened with the anchor screw 18, the anchor screw 18 and the lead wire 17 were electrically connected. Good too. Further, the external terminal is not limited to the above-mentioned lead wire 17, but can be used by changing the shape of the terminal as appropriate, such as for insertion into a printed circuit board.
叙上のように本考案はインピーダンス特性およ
び経時変化特性の優れた電解コンデンサを提供す
ることができ実用的価値の大なるものである。 As mentioned above, the present invention can provide an electrolytic capacitor with excellent impedance characteristics and aging characteristics, and has great practical value.
第１図は従来の電解コンデンサの断面図、第２
図〜第８図は本考案の電解コンデンサの実施例で
第２図はコンデンサ素子の斜視図、第３図イおよ
びロはそれぞれ異なるスペーサーの斜視図、第４
図は締付ボルトの斜視図、第５図イはアンカービ
スの斜視図、第５図はロは同アンカービスの変形
斜視図、第６図イは電解コンデンサの組立要部の
断面図、第６図ロ，ハは第６図イの電極箔締付け
過程の要部の断面図、第７図は電解コンデンサの
組立正面図、第８図は電解コンデンサの完成斜視
図、第９図は本考案品と従来品とを比較した電解
コンデンサのインピーダンス周波数特性図、第１
０図は本考案品と従来品とを比較した電解コンデ
ンサの接触抵抗の経時変化特性図である。
６：陽極用電極箔、７：陰極用電極箔、９：貫
通孔、１０：コンデンサ素子、１１：溶着部、１
４：締付ボルト、１７：外部端子のリード線、１
８：アンカービス、１９：金属筒、２７：金属
鍔、２１：スリツト、２２：ネジ孔。
Figure 1 is a sectional view of a conventional electrolytic capacitor, Figure 2 is a cross-sectional view of a conventional electrolytic capacitor.
8 are examples of the electrolytic capacitor of the present invention, and FIG. 2 is a perspective view of a capacitor element, FIG. 3 A and B are perspective views of different spacers, and FIG.
The figure is a perspective view of a tightening bolt, FIG. Figures 6B and 6C are cross-sectional views of the main parts of the electrode foil tightening process in Figure 6A, Figure 7 is a front view of the assembly of the electrolytic capacitor, Figure 8 is a completed perspective view of the electrolytic capacitor, and Figure 9 is a diagram of the present invention. Impedance frequency characteristic diagram of electrolytic capacitors comparing the product and conventional products, Part 1
Figure 0 is a characteristic diagram of the change in contact resistance over time of an electrolytic capacitor comparing the product of the present invention and a conventional product. 6: Electrode foil for anode, 7: Electrode foil for cathode, 9: Through hole, 10: Capacitor element, 11: Welded part, 1
4: Tightening bolt, 17: External terminal lead wire, 1
8: Anchor screw, 19: Metal cylinder, 27: Metal collar, 21: Slit, 22: Screw hole.
Claims (1)
端面にそれぞれ上記電極箔をはみ出すように巻
回して端面を溶着したコンデンサ素子と、該コ
ンデンサ素子のはみ出した電極箔を貫通した貫
通孔と、金属筒と金属鍔が同軸状に一体に形成
されかつ金属筒の端部にネジ孔また軸方向に複
数のスリツトを設けたアンカービスと、上記ア
ンカービスのネジ孔に螺合する締付ボルトとを
具備し、上記貫通孔にアンカービスを挿入し締
付ボルトを螺合させてはみ出した電極箔を密着
させたことを特長とする電解コンデンサ。 (2) 上記締付ボルトまたはアンカービスと外部端
子とが電気的に接続されていることを特徴とす
る実用新案登録請求の範囲第１項記載の電解コ
ンデンサ。[Claims for Utility Model Registration] (1) A capacitor element in which electrode foils are placed facing each other with a separator interposed therebetween, and the electrode foils are wound around the end faces so as to protrude from each other, and the end faces are welded, and the protruding electrodes of the capacitor element. A through hole that penetrates the foil, an anchor screw in which a metal tube and a metal flange are coaxially formed integrally, and a screw hole or a plurality of slits in the axial direction are provided at the end of the metal tube, and a screw hole for the anchor screw. An electrolytic capacitor comprising a tightening bolt that is screwed into the through hole, an anchor screw is inserted into the through hole, the tightening bolt is screwed, and the protruding electrode foil is brought into close contact with the anchor screw. (2) The electrolytic capacitor according to claim 1, wherein the tightening bolt or anchor screw and the external terminal are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1794282U JPS58120639U (en) | 1982-02-10 | 1982-02-10 | Electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1794282U JPS58120639U (en) | 1982-02-10 | 1982-02-10 | Electrolytic capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58120639U JPS58120639U (en) | 1983-08-17 |
| JPS6320111Y2 true JPS6320111Y2 (en) | 1988-06-03 |
Family
ID=30030217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1794282U Granted JPS58120639U (en) | 1982-02-10 | 1982-02-10 | Electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58120639U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5034240B2 (en) * | 2006-01-25 | 2012-09-26 | 株式会社Ｇｓユアサ | Battery manufacturing method |
-
1982
- 1982-02-10 JP JP1794282U patent/JPS58120639U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58120639U (en) | 1983-08-17 |
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