JPS6159715A - Capacitor - Google Patents
CapacitorInfo
- Publication number
- JPS6159715A JPS6159715A JP18131584A JP18131584A JPS6159715A JP S6159715 A JPS6159715 A JP S6159715A JP 18131584 A JP18131584 A JP 18131584A JP 18131584 A JP18131584 A JP 18131584A JP S6159715 A JPS6159715 A JP S6159715A
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- lead piece
- loss
- metal foil
- winding
- 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
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明は金属箔を電極とした巻回型のコンデンサに関す
るものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a wound type capacitor using metal foil as an electrode.
従来例の構成とその問題点
電極として金属箔を用いた巻回型コンデンサには第１図
〜第３図に示すような引き出しリードが用いられていた
。第１図は金属箔をプレス加工したものであるが、この
構造においては電極箔との接触面積が少ないためにコン
デンサの損失が大きく、また電流的にも小さなものにし
か供し得なか ２った。第２図、第３図は第１図の改良
品であり、損失が少なく比較的大きな電流にも対応する
構造となっているが、その製造工程に過大な工数とコス
トを要するという欠点を有している。Conventional Structures and Problems Therein, wound type capacitors using metal foil as electrodes have used lead leads as shown in FIGS. 1 to 3. Figure 1 shows a press-formed metal foil, but with this structure, the contact area with the electrode foil is small, so the loss of the capacitor is large, and it can only be used for small currents. . Figures 2 and 3 are improved products of Figure 1, and have a structure that has low loss and can handle relatively large currents, but they have the drawback of requiring excessive man-hours and costs in the manufacturing process. are doing.
発明の目的
本発明は前記従来の欠点を除去するもので、損失を少な
くするとともに、低コストでかつ加工工数を改善するこ
とを目的とするものである。OBJECTS OF THE INVENTION The present invention eliminates the above-mentioned conventional drawbacks, and aims to reduce losses, reduce costs, and improve the number of processing steps.
発明の構成
この目的を達成するために本発明は、絶縁紙またはプラ
スティックフィルムまたはこれらの複合体からなる誘電
体と、金属箔とを巻回することにより構成され、引出し
用電極として厚さ１０乃至２００μｍの一体形旗形リー
ド片を具備したものであり、損失を少なくし、特性を安
定させ、また製造工数、コストを低減するものである。Structure of the Invention To achieve this object, the present invention is constructed by winding a dielectric material made of insulating paper, a plastic film, or a composite thereof, and a metal foil. It is equipped with a 200 μm integrated flag-shaped lead piece, which reduces loss, stabilizes characteristics, and reduces manufacturing man-hours and costs.
実施例の説明
本発明の一実施例を第４図〜第６図に基づいて説明する
。DESCRIPTION OF THE EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 4 to 6.
第４図は本発明の一実施例による一体形旗形リード片で
あり、第６図はこの成形リード片を用いた巻回型コンデ
ンサの平面図である。FIG. 4 shows an integral flag-shaped lead piece according to an embodiment of the present invention, and FIG. 6 is a plan view of a wound type capacitor using this molded lead piece.
第４図に示すように、成形リード片７は製造工程にて一
体形にプレス加工され、幅寸法ｌはコンデンサ素子８の
巻心径ａに対し！＝πａ ／２乃至２πａに設定し、コ
ンデンサ素子８の引出し用電極として用いることにより
、接触抵抗の小さい損失の少ない構造を現出することが
できる。また、成形リード片７の厚さは、外部引出し用
端子金具との溶接強度の確保および絶縁フィルムに機械
的ストレスを与えない範囲に選定する必要があり、これ
らの相関を考慮した実験の結果では、厚さは１０〜２０
０μｍが適することが判明した。As shown in FIG. 4, the molded lead piece 7 is pressed into an integral shape during the manufacturing process, and the width l is equal to the core diameter a of the capacitor element 8! = πa /2 to 2πa and used as an extraction electrode of the capacitor element 8, it is possible to create a structure with low contact resistance and low loss. In addition, the thickness of the molded lead piece 7 must be selected within a range that ensures welding strength with the external lead terminal fitting and does not apply mechanical stress to the insulating film. , thickness is 10~20
It has been found that 0 μm is suitable.
従来例との損失の比較を第６図に示す。同図において、
Ａは第１図、Ｂは第２図、第３図に示す従来例の損失で
あシ、Ｃは本発明の旋形リード片使用時の損失である。A comparison of loss with the conventional example is shown in FIG. In the same figure,
A is the loss in the conventional example shown in FIG. 1, B is the loss in the conventional example shown in FIGS. 2 and 3, and C is the loss when the spiral lead piece of the present invention is used.
発明の効果
以上のように本発明によれば、プレス加工品による接触
面積不足による大きな損失の低減と、引出し電極への金
属箔の巻き付けおよびカシメによる加工工数の改善を行
うことができ、安価で良好な特性を有するコンデンサを
得ることができるという効果が得られる。Effects of the Invention As described above, according to the present invention, it is possible to reduce large losses due to insufficient contact area due to press-formed products, and to improve processing man-hours by wrapping and caulking metal foil around the extraction electrode, and it is possible to reduce the cost. The effect is that a capacitor with good characteristics can be obtained.
Claims (2)
らの複合体からなる誘電体と、金属箔とを巻回すること
により構成され、引出し用電極として厚さ１０乃至２０
０μｍの一体形旗形リード片を具備したコンデンサ。(1) Constructed by winding a dielectric material made of insulating paper, plastic film, or a composite thereof, and metal foil, and used as an extraction electrode with a thickness of 10 to 20 mm.
A capacitor with a 0μm integrated flag-shaped lead piece.
サの巻心の直径ａに対しｌ＝πａ／２乃至２πａの範囲
内に設定した特許請求の範囲第１項記載のコンデンサ。(2) The capacitor according to claim 1, wherein the integral flag-shaped lead piece has a width l in the winding direction set within a range of l=πa/2 to 2πa with respect to the diameter a of the winding core of the capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18131584A JPS6159715A (en) | 1984-08-30 | 1984-08-30 | Capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18131584A JPS6159715A (en) | 1984-08-30 | 1984-08-30 | Capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6159715A true JPS6159715A (en) | 1986-03-27 |
Family
ID=16098528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18131584A Pending JPS6159715A (en) | 1984-08-30 | 1984-08-30 | Capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6159715A (en) |
-
1984
- 1984-08-30 JP JP18131584A patent/JPS6159715A/en active Pending
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