JPS63299314A - Electrolytic capacitor - Google Patents
Electrolytic capacitorInfo
- Publication number
- JPS63299314A JPS63299314A JP13520487A JP13520487A JPS63299314A JP S63299314 A JPS63299314 A JP S63299314A JP 13520487 A JP13520487 A JP 13520487A JP 13520487 A JP13520487 A JP 13520487A JP S63299314 A JPS63299314 A JP S63299314A
- Authority
- JP
- Japan
- Prior art keywords
- metal case
- coating film
- electrolytic capacitor
- capacitor element
- case
- 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
- 239000003990 capacitor Substances 0.000 title claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 239000003792 electrolyte Substances 0.000 claims abstract description 5
- 239000011888 foil Substances 0.000 claims description 10
- 239000003566 sealing material Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 10
- 238000000576 coating method Methods 0.000 abstract description 10
- 239000011347 resin Substances 0.000 abstract description 10
- 229920005989 resin Polymers 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000009503 electrostatic coating Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 241000257465 Echinoidea Species 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は各種電子機器などに利用される電解コンデンサ
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 used in various electronic devices.
従来の技術
従来この種の電解コンデンサは、第３図に示すように弁
作用金属箔を粗面化したのち、陽極酸化により誘電体皮
膜を形成したものを陽極箔とし、それに対極する陰極箔
とをセパレータを介して巻回して、コンデンサ素子１を
作り、駆動用電解液を含浸させて金属ケース２内に収納
し、この金属ケース２の開口部に封口体を封着して、内
部の駆動用電解液が蒸発乾固しないように構成されてい
る。2. Prior Art Conventionally, this type of electrolytic capacitor consists of an anode foil made by roughening a valve metal foil and then forming a dielectric film by anodization, as shown in Fig. 3, and a cathode foil serving as a counter electrode to the anode foil. is wound through a separator to form a capacitor element 1, impregnated with a driving electrolyte and housed in a metal case 2, and a sealing body is sealed to the opening of the metal case 2 to prevent the internal driving. The electrolyte solution is constructed so that it does not evaporate to dryness.
このような電解コンデンサにおいては、絶縁性を確保す
るために、金属ケース２の天井部に絶縁シート３を載置
し、金属ケース２全体を包み込むような熱収縮性絶縁チ
ューブ４を被せ熱収縮させていた。In such electrolytic capacitors, in order to ensure insulation, an insulating sheet 3 is placed on the ceiling of the metal case 2, and a heat-shrinkable insulating tube 4 that wraps around the entire metal case 2 is placed over the metal case 2 to cause it to shrink. was.
発明が解決しようとする問題点
しかし、このような従来の電解コンデンサの絶縁構造（
絶縁シートと熱収縮性絶縁チューブ）では、電解コンデ
ンサ本体の金属ケースと絶縁シートが固着されていない
ため、振動共振の問題があった。However, the insulation structure of such conventional electrolytic capacitors (
(insulating sheet and heat-shrinkable insulating tube), there was a problem of vibration resonance because the metal case of the electrolytic capacitor body and the insulating sheet were not firmly attached.
つまり、このような従来の電解コンデンサを例えばオー
ディオ機器に実装し使用した場合、若干の振動によシ絶
縁シートが振動し、オーディオ機器の音質に悪影響を及
ぼすなどの問題点があった。That is, when such a conventional electrolytic capacitor is mounted and used in, for example, audio equipment, there is a problem in that the insulating sheet vibrates due to slight vibration, which adversely affects the sound quality of the audio equipment.
本発明は振動共振による電子機器への悪影響をなくすこ
とを目的とする。The present invention aims to eliminate the adverse effects of vibrational resonance on electronic equipment.
問題点を解決するだめの手段
このような問題点を解決するために本発明は、陽極箔と
陰極箔をセパレータと共に巻回したコンデンサ素子に駆
動用電解液を含浸し、少なくとも天面部に絶縁層を設け
だ有底筒状の金属ケース内に収納し、開放端を封口部材
で封口して絶縁スリーブをコンデンサ本体に被せるもの
である。Means for Solving the Problems In order to solve these problems, the present invention impregnates a driving electrolyte into a capacitor element in which an anode foil and a cathode foil are wound together with a separator, and coats at least the top surface with an insulating layer. The capacitor is housed in a cylindrical metal case with a bottom, the open end is sealed with a sealing member, and an insulating sleeve is placed over the capacitor body.
作 用
このような本発明の構成によれば、電解コンデンサの天
井部に絶縁層が密着形成されているため、振動共振によ
る電子機器への悪影響（例えばオーディオ機器の音質）
がなくなる。Effect According to the configuration of the present invention, since the insulating layer is formed in close contact with the ceiling of the electrolytic capacitor, there is no adverse effect on electronic equipment due to vibration resonance (for example, on the sound quality of audio equipment).
disappears.
実施例
以下、本発明の一実施例を添付の図面を用いて説明する
。Embodiment Hereinafter, one embodiment of the present invention will be described with reference to the accompanying drawings.
第１図、第２図において、１はアルミニウムなどの弁作
用金属箔を粗面化したのち、陽極酸化により誘電体皮膜
を形成したものを陽極箔とし、これに対極する陰極箔と
をセパレータを介して巻回して構成したコンデンサ素子
で、このコンデンサ素子１には、駆動用電解液が含浸さ
れ、アルミニウムなどの金属ケース２内に収納されてい
る。金属ケース２の天面部は絶縁性の樹脂塗装膜５で覆
われている。この樹脂塗装膜５は静電塗装等などの手段
によシ、金属ケース２に樹脂塗料を塗布し、熱処理等に
より、完全な絶縁された樹脂塗装膜としてする。また金
属ケース２の表面は、塩化ビニール等の絶縁体チューブ
４で覆われている。In Figures 1 and 2, 1 is an anode foil made by roughening a valve metal foil such as aluminum and then forming a dielectric film by anodic oxidation. This capacitor element 1 is impregnated with a driving electrolyte and housed in a metal case 2 made of aluminum or the like. The top surface of the metal case 2 is covered with an insulating resin coating film 5. This resin coating film 5 is obtained by applying a resin coating to the metal case 2 by means such as electrostatic coating, and by heat treatment or the like, it is made into a completely insulated resin coating film. Further, the surface of the metal case 2 is covered with an insulating tube 4 made of vinyl chloride or the like.
この金属ケース２上面に形成された樹脂塗装膜６は完全
に金属ケース２と密着されているため、撮動共振に対し
ても何ら影響をうけることなく安定な働きをし、音響電
子機器への使用に有効である。Since the resin coating film 6 formed on the top surface of the metal case 2 is completely in close contact with the metal case 2, it works stably without being affected by imaging resonance, and is highly effective for audio-electronic equipment. Valid for use.
まだ、この樹脂塗装膜６は第２図ａに示すように金属ケ
ース２の天面郡全体とその天面部に隣接する外周面の一
部に亘って形成したり、第２図すに示すたうに天面部の
絶縁チューブ４に覆われない部分にのみ形成してもよい
。However, the resin coating film 6 may be formed over the entire top surface of the metal case 2 and a part of the outer peripheral surface adjacent to the top surface of the metal case 2 as shown in FIG. It may be formed only in the portion of the top surface of the sea urchin that is not covered by the insulating tube 4.
発明の効果
以上のように本発明の電解コンデンサは、樹脂塗装され
た金属ケースと絶縁チューブとで構成されており、金属
ケースの天面部の樹脂塗装膜により、従来の絶縁板のよ
うにふくれ反ったり、外れや振動共振などがなくなり、
音響機器等の電子機器の使用に対して、音質劣化などの
悪影響を防止でき、その工業的価値が大きいものである
。Effects of the Invention As described above, the electrolytic capacitor of the present invention is composed of a resin-coated metal case and an insulating tube, and the resin-coated film on the top surface of the metal case prevents it from bulging and warping like a conventional insulating plate. There is no possibility of disconnection, vibration resonance, etc.
It can prevent adverse effects such as deterioration of sound quality when using electronic equipment such as audio equipment, and has great industrial value.
第１図は本発明の電解コンデンサの一実施例を示す一部
切欠き正面図、第２図ａ、ｂは同コンデンサの斜視図、
第３図は従来の電解コンデンサを一部を切欠いて示す正
面図である。
１・・・・・・コンデンサ素子、２・・・・・・金属ケ
ース、４・・・・・・絶縁チューブ、６・・・・・・樹
脂塗装膜。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名１−
コンデンサ素子
？−金Ｍヶ−ズ
４− 絶縁÷ユーブ
５−尉Ｈ■裟膜
第１図
第２図FIG. 1 is a partially cutaway front view showing an embodiment of the electrolytic capacitor of the present invention, FIGS. 2a and 2b are perspective views of the same capacitor,
FIG. 3 is a partially cutaway front view of a conventional electrolytic capacitor. 1... Capacitor element, 2... Metal case, 4... Insulating tube, 6... Resin coating film. Name of agent: Patent attorney Toshio Nakao and 1 other person1-
Capacitor element? -Gold M-piece 4- Insulation ÷ Yub 5-Gold H ■ Film Figure 1 Figure 2
Claims (1)
素子に駆動用電解液を含浸し、少なくとも天面部に絶縁
層を設けた有底筒状の金属ケース内に収納し、開放端を
封口部材で封口してなる電解コンデンサ。A capacitor element consisting of an anode foil and a cathode foil wound together with a separator is impregnated with a driving electrolyte, and is housed in a bottomed cylindrical metal case with an insulating layer on at least the top surface, and the open end is sealed with a sealing material. Electrolytic capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13520487A JPS63299314A (en) | 1987-05-29 | 1987-05-29 | Electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13520487A JPS63299314A (en) | 1987-05-29 | 1987-05-29 | Electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63299314A true JPS63299314A (en) | 1988-12-06 |
Family
ID=15146285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13520487A Pending JPS63299314A (en) | 1987-05-29 | 1987-05-29 | Electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63299314A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10141354C1 (en) * | 2001-08-23 | 2003-04-10 | Epcos Ag | Housings for electrical components, in particular capacitors |
-
1987
- 1987-05-29 JP JP13520487A patent/JPS63299314A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10141354C1 (en) * | 2001-08-23 | 2003-04-10 | Epcos Ag | Housings for electrical components, in particular capacitors |
| US6855885B1 (en) | 2001-08-23 | 2005-02-15 | Epcos Ag | Electrical component housing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63299314A (en) | Electrolytic capacitor | |
| JPH06176972A (en) | Block-shaped electric double layer capacitor | |
| JPS63296330A (en) | Dipole domain capacitor | |
| JPH0538866U (en) | Electrolytic capacitor | |
| JPS6164117A (en) | Aluminum electrolytic condenser | |
| JPH0491419A (en) | Aluminum electrolytic capacitor | |
| JPS6228754Y2 (en) | ||
| JPH0445233Y2 (en) | ||
| JP2533396Y2 (en) | Electrolytic capacitor | |
| JP2003282363A (en) | Chip-type capacitor | |
| JPH0323613A (en) | Electrolytic capacitor | |
| JPH0310665Y2 (en) | ||
| JPH09246117A (en) | Aluminum electrolytic capacitance and its manufacturing method | |
| JPH0412671Y2 (en) | ||
| JPH0661108A (en) | Aluminum electrolytic capacitor | |
| JP2577303Y2 (en) | Aluminum electrolytic capacitor | |
| JPS58180629U (en) | Electrolytic capacitor | |
| JPH0360108A (en) | Capacitor | |
| JPH02155219A (en) | Electrolytic capacitor | |
| JP2000021691A (en) | Aluminum electrolytic capacitor | |
| JPH02112217A (en) | Electrolytic capacitor | |
| JPH10256100A (en) | Aluminum electrolytic capacitor | |
| JPH0430410A (en) | Electrolytic capacitor's sealing material, electrolytic capacitor and manufacture thereof | |
| JPH0389510A (en) | Aluminum electrolytic capacitor | |
| JP2004047546A (en) | Capacitor with screw terminal |