JPS62209812A - Variable chip coil - Google Patents
Variable chip coilInfo
- Publication number
- JPS62209812A JPS62209812A JP5053486A JP5053486A JPS62209812A JP S62209812 A JPS62209812 A JP S62209812A JP 5053486 A JP5053486 A JP 5053486A JP 5053486 A JP5053486 A JP 5053486A JP S62209812 A JPS62209812 A JP S62209812A
- Authority
- JP
- Japan
- Prior art keywords
- disk
- magnetic
- coil
- magnetic region
- cores
- 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
- 238000010276 construction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
Description
【発明の詳細な説明】
〔概要〕
可変チップコイルであって、少なくとも一方にコイルを
有するＥ、Ｅ形又はＵ、Ｕ形又はＵ、Ｉ形等のコアを、
その磁極面が空隙を挾んで対向するように配置し、該空
隙にコアの磁極面に対し垂直で且つ磁極に近接して設け
られた軸を有し、非磁性領域と磁性領域に分割された円
板を設け、該円板を適宜に回動することによシコイルの
インダクタンスの可変を可能とする。[Detailed Description of the Invention] [Summary] A variable chip coil having a core of E, E type, U, U type or U, I type, etc., having a coil on at least one side,
The magnetic pole surfaces are arranged to face each other with an air gap in between, and have an axis provided in the air gap perpendicular to the magnetic pole surface of the core and close to the magnetic pole, and are divided into a non-magnetic region and a magnetic region. By providing a disc and rotating the disc appropriately, the inductance of the coil can be varied.
本発明は通信機等の回路に用いられる可変チップコイル
に関するもので、さらに詳しく言えば薄型化が可能な可
変チップ型コイルに関するものである。The present invention relates to a variable chip coil used in circuits such as communication devices, and more specifically, to a variable chip coil that can be made thinner.
第３図は従来の可変チップコイルの１例を示す図である
。これは同図に示すように空隙１が形成される１対の壷
形コア２，２′と、コアの中央の孔３の中をねじ４及び
ナツト５によ如上下できる調整用コア６と、壷形コア２
，２′の中に巻回されたコイル７とによ多構成され、調
整用コア６を回動して上下することによシ空隙ｌの磁気
抵抗を変えてコイル７のインダクタンスを変化できるよ
うになりている。FIG. 3 is a diagram showing an example of a conventional variable chip coil. As shown in the figure, this consists of a pair of pot-shaped cores 2 and 2' in which a gap 1 is formed, and an adjusting core 6 that can be moved up and down by a screw 4 and a nut 5 through a hole 3 in the center of the core. , pot-shaped core 2
, 2' and a coil 7 wound therein, by rotating the adjusting core 6 and moving it up and down, the magnetic resistance of the air gap 1 can be changed and the inductance of the coil 7 can be changed. It has become.
上記従来の可変チップコイルでは、調整用のコア６をね
じ４により上下させる構造であるため、コア２，２′の
高さＨをあまシ小さくすることができず、薄形化が困難
であるという欠点がありた。In the conventional variable chip coil described above, since the adjustment core 6 is moved up and down by the screw 4, the height H of the cores 2 and 2' cannot be made very small, and it is difficult to make the coil thinner. There was a drawback.
本発明はこのような点に鑑みて創作されたもので薄型化
が可能な可変チップコイルを提供することを目的として
いる。The present invention was created in view of these points, and an object of the present invention is to provide a variable chip coil that can be made thinner.
このため本発明においては、少なくとも一方にコイル１
０を有するＥ、Ｅ形又はＵ、Ｕ形又はＵ。Therefore, in the present invention, at least one coil
E, E shape or U, U shape or U with 0.
■形等のコア１１が、その磁極面が空隙を挾んで対向す
るように配置され、該空隙にはコア１１の磁極面に対し
垂直で且つ磁極に近接して設けられた軸１３を有する円
板１４が設けられ、該円板１４は非磁性領域と磁性領域
に分割されていることを特徴としている。Cores 11 having a shape of A plate 14 is provided, and the disc 14 is characterized in that it is divided into a non-magnetic area and a magnetic area.
非磁性領域と磁性領域に分割された円板を挾んで１対の
コアを配置したことにより、該円板を適宜に回動して空
隙の磁気抵抗を変え、コアに巻かれたコイルのインダク
タンスを変えることが可能となる。By placing a pair of cores between a disk divided into a non-magnetic region and a magnetic region, the disk can be rotated as appropriate to change the magnetic resistance of the air gap, thereby changing the inductance of the coil wound around the core. It becomes possible to change.
第１図は本発明の実施例を示す図であり、ａはｂ図のａ
〜ａ線における断面図、ｂはａ図のｂ〜ｂ線における断
面図である。FIG. 1 is a diagram showing an embodiment of the present invention, and a is a of FIG.
-A is a cross-sectional view taken along line a, and b is a cross-sectional view taken along line b-b of figure a.
本実施例は第１図に示すように、脚部にコイル１０が巻
回されたＥ、Ｅ形又はＵ、Ｕ形又はＵ。As shown in FIG. 1, this embodiment is an E type, an E type or a U type, and a U type or U type, in which a coil 10 is wound around the leg part.
■形等のコア１１（図はＥ、Ｅ形）が、その磁極面が空
隙を挾んで配置されるように樹脂によシモールドされ、
該空隙にはコア１１の磁極面に対して垂直で、且つ磁極
に近接して設けられた軸１３を有する円板１４が回動自
在に設けられておシ、該円板１４は第２図に示すように
非磁性領域１５と磁性領域１６とにほぼ等分されている
。A shaped core 11 (E and E shapes in the figure) is molded with resin so that its magnetic pole face is placed with a gap in between,
A rotatable disk 14 is provided in the air gap and has a shaft 13 that is perpendicular to the magnetic pole face of the core 11 and close to the magnetic pole, and the disk 14 is shown in FIG. As shown in FIG. 3, it is approximately equally divided into a non-magnetic region 15 and a magnetic region 16.
なお非磁性領域１５は非磁性金属或いはセラミック等の
非磁性材料を、磁性領域１６にはフェライト等の磁性材
料を用いてそれぞれ形成される。Note that the non-magnetic region 15 is formed using a non-magnetic material such as a non-magnetic metal or ceramic, and the magnetic region 16 is formed using a magnetic material such as ferrite.
このように構成された本実施例は軸１３ｔ−回動し、空
隙に挾まれる磁性領域の面積を変え、コア１１の磁気回
路の磁気抵抗を変化させることによシ、コイル１０のイ
ンダクタンスを変えることができる。In this embodiment configured in this manner, the inductance of the coil 10 is changed by rotating the shaft 13t, changing the area of the magnetic region sandwiched between the air gaps, and changing the magnetic resistance of the magnetic circuit of the core 11. It can be changed.
本実施例によれば第３図で説明した従来例のような上下
に移動するものがないため薄型化が可能となシ、また円
板１４の軸１３が磁極に近接して（コイルの中側）設け
られているため、その外径を小さくすることができ、そ
れによシチップコイルの外形も小型化することが可能と
なる。According to this embodiment, unlike the conventional example shown in FIG. Since the tip coil is provided on the side), its outer diameter can be reduced, and the outer diameter of the chip coil can also be made smaller.
以上述べてきたように、本発明によれば、極めて簡易な
構成によシ可変チップコイルの薄型化及び小型化ができ
、実用的には極めて有用である。As described above, according to the present invention, the variable chip coil can be made thinner and smaller with an extremely simple configuration, and is extremely useful in practice.
第１図は本発明の詳細な説明するための図、第２図は本
発明の実施例の円板を示す図、第３図は従来の可変チッ
プコイルの１例を示す図である。
第１図、第２図において、
１０はコイル、１１はコア、１２は樹脂モールド、１３
は軸、１４は円板、１５は非磁性領域、１６は磁性領域
である。
本発明の実施例の回転板を示す図
１３・・・軸
１４・・・円板
１５・・・非磁性領域
１６・・・磁性領域FIG. 1 is a diagram for explaining the present invention in detail, FIG. 2 is a diagram showing a disk according to an embodiment of the present invention, and FIG. 3 is a diagram showing an example of a conventional variable chip coil. In FIGS. 1 and 2, 10 is a coil, 11 is a core, 12 is a resin mold, and 13
is an axis, 14 is a disk, 15 is a non-magnetic region, and 16 is a magnetic region. FIG. 13 showing a rotary plate according to an embodiment of the present invention...Axle 14...Disk 15...Non-magnetic region 16...Magnetic region
Claims (1)
又はＵ、Ｕ形又はＵ、Ｉ形等のコア（１１）が、その磁
極面が空隙を挾んで対向するように配置され、該空隙に
はコア（１１）の磁極面に対し垂直で且つ磁極に近接し
て設けられた軸（１３）を有する円板（１４）が設けら
れ、該円板（１４）は非磁性領域と磁性領域に分割され
ていることを特徴とする可変チップコイル。1. Cores (11) of E type or U type or U type or I type having a coil (10) on at least one side are arranged so that their magnetic pole faces face each other across an air gap, and is provided with a disk (14) having an axis (13) perpendicular to the magnetic pole face of the core (11) and close to the magnetic pole, and the disk (14) has a non-magnetic region and a magnetic region. A variable chip coil characterized by being divided into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5053486A JPS62209812A (en) | 1986-03-10 | 1986-03-10 | Variable chip coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5053486A JPS62209812A (en) | 1986-03-10 | 1986-03-10 | Variable chip coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62209812A true JPS62209812A (en) | 1987-09-16 |
Family
ID=12861663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5053486A Pending JPS62209812A (en) | 1986-03-10 | 1986-03-10 | Variable chip coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62209812A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008091438A (en) * | 2006-09-29 | 2008-04-17 | Sumida Corporation | Coil component, and electronic circuit using the same |
| JP2014212294A (en) * | 2013-04-03 | 2014-11-13 | 富士電機株式会社 | Magnetic field generator |
| JP2018125327A (en) * | 2017-01-30 | 2018-08-09 | ファナック株式会社 | Multiphase core reactor with variable inductance function |
-
1986
- 1986-03-10 JP JP5053486A patent/JPS62209812A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008091438A (en) * | 2006-09-29 | 2008-04-17 | Sumida Corporation | Coil component, and electronic circuit using the same |
| JP2014212294A (en) * | 2013-04-03 | 2014-11-13 | 富士電機株式会社 | Magnetic field generator |
| JP2018125327A (en) * | 2017-01-30 | 2018-08-09 | ファナック株式会社 | Multiphase core reactor with variable inductance function |
| US10790084B2 (en) | 2017-01-30 | 2020-09-29 | Fanuc Corporation | Multi-phase iron-core reactor having function of changing magnitude of inductance |
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