JPH03142809A - Lc complex element - Google Patents
Lc complex elementInfo
- Publication number
- JPH03142809A JPH03142809A JP28043189A JP28043189A JPH03142809A JP H03142809 A JPH03142809 A JP H03142809A JP 28043189 A JP28043189 A JP 28043189A JP 28043189 A JP28043189 A JP 28043189A JP H03142809 A JPH03142809 A JP H03142809A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- electrode foil
- electrode
- terminals
- insulating films
- 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
- 239000011888 foil Substances 0.000 claims abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims description 26
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005219 brazing Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 3
- 230000003071 parasitic effect Effects 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000013016 damping Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 15
- 239000000696 magnetic material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Filters And Equalizers (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） この発明はＬＣ複合素子に関するものである。[Detailed description of the invention] (Industrial application field) This invention relates to an LC composite element.
〔従来の技術）
第６図は例えば特開昭５９−１３９６１９号公報に示さ
れた従来の１０８合素子の層構成フィルムの構成図、第
７図は第６図の層構成フィルムを巻回形成し巻心に磁性
体を使用したＬＣ複合素子の一部破断した外観図、第８
図は第７図の等価回路図である。[Prior art] Fig. 6 is a diagram showing the structure of a conventional layer structure film of a 108 composite element disclosed in, for example, Japanese Patent Laid-Open No. 59-139619, and Fig. 7 shows a method of winding the layer structure film of Fig. 6. A partially cutaway external view of an LC composite element using a magnetic material for the winding core, No. 8
The figure is an equivalent circuit diagram of FIG. 7.
図において、１．２は絶縁フィルム、３，４゜５は電極
箔で、３ａ、３ｂ、４ａ、５ｂは電極箔に設けられた端
子、６は磁性体で、第７図のように磁性体６を中心とし
て、第６図に示す絶縁フィルム１．２と電極箔３，４．
５との層構成フィルムを巻きつけたＬＣ複合素子が、形
成されている。In the figure, 1.2 is an insulating film, 3,4°5 is an electrode foil, 3a, 3b, 4a, 5b are terminals provided on the electrode foil, and 6 is a magnetic material, as shown in Figure 7. 6 as the center, the insulating film 1.2 and the electrode foils 3, 4, .
An LC composite device is formed by wrapping a layered film of 5 and 5.
次に動作について説明する。Next, the operation will be explained.
第６図、第７図、において、端子３ａ、３ｂ間はインダ
クタンスコイルとして、端子４ａ、５ｂ間はコンデンサ
機能として動作する。第８図はその等価回路を示し％端
子３ａ、３ｂ間がインダクタンスを、端子４ａ、Ｓｂ間
がキャパシタンスを表わす。In FIGS. 6 and 7, the terminals 3a and 3b function as an inductance coil, and the terminals 4a and 5b function as a capacitor. FIG. 8 shows the equivalent circuit, and the inductance is shown between the terminals 3a and 3b, and the capacitance is shown between the terminals 4a and Sb.
また１本出願人に係る先行技術の特願平１−２２０８６
４号に記載された発明の実施例を′ＪＪ９図に示す。こ
の実施例は、コイルとコンデンサからなるＬＣ複合部品
において、両側に端子を設けた電極箔と、片側にのみ端
子を設は前記電極箔よりも短くした中間電極箔とで絶縁
フィルムを介して交互に複数層積層した層構成フィルム
を一端側よりうず巻状に巻回して一体的に形成したこと
を特徴とするＬＣ複合素子の等価回路図で示されている
。In addition, prior art patent application No. 1-22086 filed by one applicant
An embodiment of the invention described in No. 4 is shown in Figure 'JJ9. In this embodiment, in an LC composite component consisting of a coil and a capacitor, an electrode foil with terminals on both sides and an intermediate electrode foil with terminals on only one side, which is shorter than the electrode foil, are alternately interposed via an insulating film. This is an equivalent circuit diagram of an LC composite element characterized in that it is integrally formed by winding a plurality of laminated films in a spiral shape from one end side.
（発明が解決しようとする課題〕
しかしながら、従来のＬＣ複合素子は以上述べたように
、巻心上に１枚の電極と２枚の絶縁フィルムまたは紙を
巻き取って形成された箔状コイルと、このコイルの外周
面上に２枚の電極箔と２枚の誘電体となる絶縁フィルム
または紙を巻き重ねて形成されるコンデンサとを同心的
に一体となしたＬＣａ合素子を構成したので、コイルと
コンデンサが、それぞれ単独の分布定数的コイルとコン
デンサを形成し、同心円的に一体化複合化された部品に
過ぎない。(Problems to be Solved by the Invention) However, as described above, conventional LC composite elements have one electrode on a core and a foil-like coil formed by winding two insulating films or paper. An LCa composite element was constructed by concentrically integrating two electrode foils and a capacitor formed by wrapping two sheets of dielectric insulation film or paper on the outer circumferential surface of this coil. The coil and capacitor form separate distributed constant coils and capacitors, respectively, and are nothing more than concentrically integrated and composite parts.
また、先行技術として示した第９図に示す等価回路の中
間電極箔（接地用）ｓｂの等価抵抗分子とインダクタン
スｌの増加がフィルタの総合特性に時として問題を生ず
るということがあった。Furthermore, an increase in the equivalent resistance molecule and inductance l of the intermediate electrode foil (for grounding) sb in the equivalent circuit shown in FIG. 9 as a prior art example sometimes causes problems in the overall characteristics of the filter.
この発明は上記のような問題点を解消するためになされ
たもので、コイルとコンデンサが互いに公海定数として
働き、さらに等個直列抵抗低減のため１等価直列抵抗部
に短絡部を設けたＬＣ複合素子を提供することを目的と
する。This invention was made to solve the above-mentioned problems, and it is an LC composite in which the coil and the capacitor each act as a high sea constant, and a short-circuit part is provided in one equivalent series resistance part to reduce the equal series resistance. The purpose is to provide an element.
（課題を解決するための手段）
このため、この発明において、コイルとコンデンサから
なるＬＣ複合部品において、複数枚の絶縁フィルムと、
前記絶縁フィルムにはさみ込まれ、両端およびその中間
の所望の位置に端子を設けた複数枚の電極箔とで交互に
積層した層構成フィルムを一端側よりうず巻状に巻回し
て一体的に形成し、かつ、前記電極箔の所望の位置で前
記端子同士を接続することを特徴とするＬＣ？１合素子
とすることにより、前記目的を達成しようとするもので
ある。(Means for Solving the Problems) Therefore, in the present invention, in an LC composite component consisting of a coil and a capacitor, a plurality of insulating films,
A laminated film sandwiched between the insulating film and alternately laminated with a plurality of electrode foils each having a terminal at both ends and at a desired position between them is integrally formed by winding it in a spiral shape from one end. And, the terminals are connected to each other at desired positions of the electrode foil? The purpose is to achieve the above object by forming a single element.
（作用）
以上のような構成としたので、分布定数的フィルタ等の
ＬＣ複合素子として働き、電極箔の所望の位置で端子同
士を接続することにより、その電Ｖｉ箔の抵抗分を低域
できるので広帯域のフィルタ効果を得ることができる。(Function) With the above configuration, it works as an LC composite element such as a distributed constant filter, and by connecting the terminals at desired positions of the electrode foil, the resistance of the electrode foil can be reduced to a low frequency. Therefore, a wideband filter effect can be obtained.
【実施例）
以下、この発明に係るＬＣ複合素子の実施例を図に従っ
て説明する。[Example] Hereinafter, an example of the LC composite element according to the present invention will be described with reference to the drawings.
第１図はこの発明に係るＬＣ３合素子の構成図、第２図
は同上のＬＣ複合素子の構成断面図。FIG. 1 is a configuration diagram of an LC triple element according to the present invention, and FIG. 2 is a configuration cross-sectional view of the same LC composite element.
第３図はこの発明に係るＬＣｉ合素子の改善前（α）お
よび改善後（β）の減衰特性を示す図である。なお、第
６図ないし第９図に示す従来例と同一（相当）構成要素
は同一符号で示し、重複説明は省略する。FIG. 3 is a diagram showing the attenuation characteristics of the LCi composite element according to the present invention before (α) and after (β) improvement. Components that are the same (equivalent) to those of the conventional example shown in FIGS. 6 to 9 are indicated by the same reference numerals, and redundant explanation will be omitted.
第１図において、１Ｇ、１２．１４は絶縁フィルム、１
１，１３Ａ、１５はＬＣ複合素子を構成する金属からな
る電極箔、ｌｌａ、ｌｌｂ。In Figure 1, 1G, 12.14 is an insulating film, 1
1, 13A, and 15 are electrode foils made of metal constituting the LC composite element, lla and llb.
１５ａ、１５ｂは主電極となる電極箔の端子。15a and 15b are electrode foil terminals serving as main electrodes.
１３ａ Ｎ１５ｄは接地用の電極箔１３Ａの両端および
その中間の所望の位置に設けられた端子である。13a N15d are terminals provided at both ends of the grounding electrode foil 13A and at desired positions in between.
これらの絶縁フィルム１０，１２．１４と電極箔１１，
１３Ａ、１５とを交互に積層した層構成フィルムを一端
側よりうず巻状に巻回し、巻心に磁性体６を使用して第
２図に示すようなＬＣ複合素子とする。そして、電極箔
１３Ａの端子１３ａと端子１３ｃ％および端子１３ｄと
端子１３ｂ同士を溶接またはろう付けにより接続し、そ
れぞれ短絡する。１６はその接Ｍ部を示す。These insulating films 10, 12.14 and electrode foil 11,
A layered film in which layers 13A and 15 were alternately laminated was wound in a spiral shape from one end, and a magnetic material 6 was used as the winding core to form an LC composite element as shown in FIG. Then, the terminals 13a and 13c% and the terminals 13d and 13b of the electrode foil 13A are connected to each other by welding or brazing to short-circuit each other. 16 indicates the contact M portion thereof.
したがって、接地用電極箔１３Ａの抵抗分子とインダク
タンスｌを減少させることができ、第３図に示す減衰特
性が改善前（α）から改善後（β）に示されるカーブの
ように周波数帯域が改善することができた。Therefore, the resistance molecule and inductance l of the grounding electrode foil 13A can be reduced, and the frequency band is improved as shown in the curve from before (α) to after (β) the attenuation characteristic shown in Fig. 3. We were able to.
（他の実施例）
第４図はこの発明に係る他の実施例のＬＣ複合素子の構
成図、第５図は同上の端子接続方法の説明図である。な
お、第１図および第２図に示す実施例と同一（′ｌＦＪ
当）構成要素は同一符号で示す。(Other Embodiments) FIG. 4 is a configuration diagram of an LC composite element according to another embodiment of the present invention, and FIG. 5 is an explanatory diagram of a terminal connection method of the same. Note that the same embodiment as shown in FIGS. 1 and 2 ('lFJ
) Components are indicated by the same symbols.
第４図において、両側の電極箔１１．１５の中間に設け
た電極箔１３Ｂの幅を主電極となる電極箔１１．１５の
幅より広くして、第５図に示すように層構成フィルムを
巻回後、電極箔１３Ｂの片側の幅広くした部分を絶縁フ
ィルム１０，１２゜１４と電極箔１１．１５の外側で溶
接またはろう付けで短絡接続したＬＣ複合素子である。In FIG. 4, the width of the electrode foil 13B provided between the electrode foils 11.15 on both sides is made wider than the width of the electrode foil 11.15 serving as the main electrode, and the layered film is formed as shown in FIG. After winding, the widened part of one side of the electrode foil 13B is short-circuited to the outside of the insulating film 10, 12.14 and the electrode foil 11.15 by welding or brazing to form an LC composite element.
そして、本実施例も前記実施例と同様の効果を得ること
ができる。Also, this embodiment can obtain the same effects as those of the above embodiment.
（発明の効果）
上述のように、この発明によれば、ＬＣ複合素子の接地
中間層に寄生する抵抗分を低減するよう構成したので、
より広帯域のフィルタ効果が得られる。(Effects of the Invention) As described above, according to the present invention, since the resistance component parasitic to the grounded intermediate layer of the LC composite element is reduced,
A wider band filter effect can be obtained.
第１図はこの発明に係るＬＣｆｉ合素子の構成図、第２
図は同上のＬＣ１３ｉｊ合素子の構成断面図、第３図こ
の発明に係るＬＣ複合素子の改善前（α）および改善後
（β）の減衰特性を示す図、第４図は同上の他の実施例
のＬＣ複合素子の構成図、第５図は同上の端子接続方法
の説明図、第６図は従来のＬＣ複合素子の層構成フィル
ムの構成図、第７図は第６図の層構成フィルムを巻回形
成した巻心に磁性体を使用したＬＣ複合素子の一部破断
した外観図、第８図は第７図の等価回路図、第９図は他
の従来例の等価回路図である。
なお、各図中、同一符号は同一（相当）構成要素を示す
。
１０、 １２． １４−−−一絶縁フィルム１１．１３
Ａ、１３Ｂ、１５−−−−−電８ｉ箔１１ ａ、 １
ｌ ｂ 〜１５ ａ、 １５ ｂ−−−−一端子１６
−−−−−接続部Fig. 1 is a configuration diagram of the LCfi combination element according to the present invention, Fig. 2
The figure is a cross-sectional view of the configuration of the same LC13ij composite element, Figure 3 is a diagram showing the attenuation characteristics before (α) and after improvement (β) of the LC composite element according to the present invention, and Figure 4 is a diagram showing another implementation of the same as above. The configuration diagram of the example LC composite element, Figure 5 is an explanatory diagram of the same terminal connection method as above, Figure 6 is the configuration diagram of the layered film of the conventional LC composite element, and Figure 7 is the layered film of Figure 6. Fig. 8 is an equivalent circuit diagram of Fig. 7, and Fig. 9 is an equivalent circuit diagram of another conventional example. . Note that in each figure, the same reference numerals indicate the same (equivalent) components. 10, 12. 14--Insulating film 11.13
A, 13B, 15---Electronic 8i foil 11 a, 1
l b ~15 a, 15 b----one terminal 16
-----Connection part
Claims (1)
数枚の絶縁フィルムと、前記絶縁フィルムにはさみ込ま
れ、両端およびその中間の所望の位置に端子を設けた複
数枚の電極箔とで交互に積層した層構成フィルムを一端
側よりうず巻状に巻回して一体的に形成し、かつ、前記
電極箔の所望の位置で前記端子同士を接続することを特
徴とするＬＣ複合素子。In an LC composite component consisting of a coil and a capacitor, layers are alternately laminated with a plurality of insulating films and a plurality of electrode foils sandwiched between the insulating films and having terminals at both ends and at desired positions between them. An LC composite element, characterized in that the component film is integrally formed by winding it in a spiral shape from one end side, and the terminals are connected to each other at a desired position of the electrode foil.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1280431A JPH0738364B2 (en) | 1989-10-27 | 1989-10-27 | LC composite element |
| US07/538,427 US5153812A (en) | 1989-06-16 | 1990-06-15 | Composite LC element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1280431A JPH0738364B2 (en) | 1989-10-27 | 1989-10-27 | LC composite element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03142809A true JPH03142809A (en) | 1991-06-18 |
| JPH0738364B2 JPH0738364B2 (en) | 1995-04-26 |
Family
ID=17624961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1280431A Expired - Lifetime JPH0738364B2 (en) | 1989-06-16 | 1989-10-27 | LC composite element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0738364B2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5643151U (en) * | 1979-09-11 | 1981-04-20 | ||
| JPS58187126U (en) * | 1982-06-04 | 1983-12-12 | 三洋電機株式会社 | LC circuit element |
| JPS63165814U (en) * | 1987-04-17 | 1988-10-28 |
-
1989
- 1989-10-27 JP JP1280431A patent/JPH0738364B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5643151U (en) * | 1979-09-11 | 1981-04-20 | ||
| JPS58187126U (en) * | 1982-06-04 | 1983-12-12 | 三洋電機株式会社 | LC circuit element |
| JPS63165814U (en) * | 1987-04-17 | 1988-10-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0738364B2 (en) | 1995-04-26 |
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