JPH03108703A - Inductance element - Google Patents
Inductance elementInfo
- Publication number
- JPH03108703A JPH03108703A JP1245262A JP24526289A JPH03108703A JP H03108703 A JPH03108703 A JP H03108703A JP 1245262 A JP1245262 A JP 1245262A JP 24526289 A JP24526289 A JP 24526289A JP H03108703 A JPH03108703 A JP H03108703A
- Authority
- JP
- Japan
- Prior art keywords
- air
- mixture
- core
- coil
- core coil
- 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
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 230000005291 magnetic effect Effects 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims abstract description 20
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 3
- 229920000620 organic polymer Polymers 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 8
- 229910000859 α-Fe Inorganic materials 0.000 abstract description 6
- 229910000976 Electrical steel Inorganic materials 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 5
- 229910000808 amorphous metal alloy Inorganic materials 0.000 abstract description 4
- 229910000889 permalloy Inorganic materials 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- 229920002521 macromolecule Polymers 0.000 abstract 2
- 239000004593 Epoxy Substances 0.000 abstract 1
- 239000006247 magnetic powder Substances 0.000 abstract 1
- 230000035699 permeability Effects 0.000 description 6
- 239000002861 polymer material Substances 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- -1 ferrite Chemical class 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的コ
（産業上の利用分野）
本発明は、電子機器に用いられるインダクタンス素子の
改良に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention (Field of Industrial Application) The present invention relates to improvements in inductance elements used in electronic equipment.
（従来の技術）
従来、電子機器に用いられるインダクタンス素子として
は、例えば第３図に示す如く、フェライトのような塊状
の高透磁率材（磁心）１に銅線２を巻きつけた構成のも
のが主である。ところで、こうした種類のインダクタン
ス素子では、必要とされるインダクタンス値やインピー
ダンス、共振の鋭さなどにより種々な大きさの磁心が使
われる。(Prior Art) Conventionally, as shown in FIG. 3, inductance elements used in electronic devices have a configuration in which a copper wire 2 is wound around a block of high magnetic permeability material (magnetic core) 1 such as ferrite. is the main thing. Incidentally, in these types of inductance elements, magnetic cores of various sizes are used depending on the required inductance value, impedance, sharpness of resonance, etc.
しかしながら、従来のインダクタンス素子によれば、塊
状の高透磁率材（磁心）はフェライトのような金属酸化
物やけい素鋼・パーマロイのような金属であり、夫々粉
末冶金や圧延・打抜・重ね接続等をして成形しなければ
ならない。従って、作業が複雑でコスト高となるという
問題があった。However, according to conventional inductance elements, the bulk high magnetic permeability material (magnetic core) is made of metal oxides such as ferrite, metals such as silicon steel, and permalloy, which are processed by powder metallurgy, rolling, punching, and stacking, respectively. It must be connected and formed. Therefore, there was a problem that the work was complicated and the cost was high.
（発明が解決しようとする課題）
本発明は上記事情に鑑みてなされたもので、磁心の材料
として強磁性粉体と有機高分子材料との混合物を用いる
ことにより、フェライトやけい素鋼・パーマロイのよう
な複雑な成形を必要とする高い透磁率磁心を用いること
なく、容易に成形可能なインダクタンス素子を提供する
ことを目的とする。(Problems to be Solved by the Invention) The present invention has been made in view of the above circumstances, and by using a mixture of ferromagnetic powder and organic polymer material as the material of the magnetic core, ferrite, silicon steel, permalloy, etc. It is an object of the present invention to provide an inductance element that can be easily molded without using a high magnetic permeability magnetic core that requires complicated molding.
［発明の構成コ
（課題を解決するための手段）
本発明は、導体線をコイル状に巻いた空心コイルと、こ
の空心コイルの少なくとも巻線部分内に設けられ１強磁
性体粉体と有機高分子の混合物からなる磁心とを具備す
ることを特徴とするインダクタンス素子である。[Configuration of the Invention (Means for Solving the Problems) The present invention provides an air-core coil in which a conductor wire is wound into a coil, and a ferromagnetic powder and an organic The present invention is an inductance element characterized by comprising a magnetic core made of a mixture of polymers.
本発明において、強磁性体粉体と有機高分子の混合物か
らなる磁心はコイル状に巻いた空心コイルの少なくとも
巻線部分内に設けられていればよいが、製作上は空心コ
イルの巻線部分が上記混合物内に埋設するようにした方
が好ましい。空心コイルの巻線部分を上記混合物内に埋
設させるには、鋳型内に空心コイルの巻線部分をセット
した後、鋳型内に上記混合物を流し込めばよい。In the present invention, the magnetic core made of a mixture of ferromagnetic powder and organic polymer may be provided at least within the winding portion of the air-core coil wound into a coil, but the is preferably embedded in the mixture. In order to embed the winding portion of the air-core coil in the mixture, the mixture may be poured into the mold after the winding portion of the air-core coil is set in a mold.
本発明において、上記混合物を構成する強磁性体粉体と
しては例えばＣｏ、Ｆｅ、Ｎｉ系非晶質合金等が挙げら
れ、また有機高分子材料としては例えばエポキシ樹脂、
アクリル樹脂、フェノール樹脂等が挙げられる。In the present invention, examples of the ferromagnetic powder constituting the mixture include Co, Fe, and Ni-based amorphous alloys, and examples of the organic polymer materials include epoxy resin,
Examples include acrylic resin and phenol resin.
（作用）
本発明においては、鋳型内に空心コイルの巻線部分をセ
ットシた後、鋳型内に上記混合物を流し込むことにより
、空心コイルの巻線部分が上記混合物内に埋設される。(Operation) In the present invention, the winding portion of the air-core coil is embedded in the mixture by setting the winding portion of the air-core coil in the mold and then pouring the mixture into the mold.
ここで、巻線部分内の混合物が従来の高透磁率磁心の働
きをすることになる。しかるに、本発明によれば、従来
のようにフェライトやけい素鋼・パーマロイのような複
雑な成形を必要とする高い透磁率磁心を用いずに、イン
ダクタンス素子を容易に成形可能である。The mixture within the winding section now acts as a conventional high permeability core. However, according to the present invention, an inductance element can be easily molded without using a conventional high permeability magnetic core such as ferrite, silicon steel, or permalloy that requires complicated molding.
（実施例）
以下、本発明の一実施例を第１図及び第２図を参照して
説明する。ここで、第１図は本発明の一実施例に係るイ
ンダクタンス素子の斜視図、第２図は同インダクタンス
素子の一部を構成する空心コイルの斜視図である。(Example) An example of the present invention will be described below with reference to FIGS. 1 and 2. Here, FIG. 1 is a perspective view of an inductance element according to an embodiment of the present invention, and FIG. 2 is a perspective view of an air-core coil forming a part of the inductance element.
図中の１１は、空心コイルである。ここで、このコイル
１１の線径は例えば０．３５１１１ｍであり、ホルマー
ル樹脂膜１２で被覆されている。また、コイル１１の巻
径は約５ｍｍ巻数は１８＋ｎｍである。上記空心コイル
１１の巻線部分Ｌｌａは、例えばＣｏ系非晶質合金から
なる強磁性体粉体とエポキシ樹脂からなる有機高分子材
料との混合物１３内に埋設されている。ここで、鋳型内
に空心コイル１１の巻線部分１１ａをセットした後、鋳
型内に上記混合物を流し込むことにより、空心コイル１
１の巻線部分１１ａが上記混合物内に埋設される。なお
、上記混合物１３のうち、空心コイルの巻線部分ＩＬａ
内の部分が磁心の働きをする。11 in the figure is an air-core coil. Here, the wire diameter of this coil 11 is, for example, 0.35111 m, and is covered with a formal resin film 12. Further, the coil 11 has a winding diameter of approximately 5 mm and a number of turns of 18+nm. The winding portion Lla of the air-core coil 11 is embedded in a mixture 13 of ferromagnetic powder made of, for example, a Co-based amorphous alloy and an organic polymer material made of epoxy resin. Here, after setting the winding part 11a of the air-core coil 11 in the mold, the air-core coil 1
One winding section 11a is embedded in the mixture. Note that among the mixture 13, the winding portion ILa of the air-core coil
The inner part acts as a magnetic core.
しかして、上記実施例に係るインダクタンス素子は、空
心コイル１１と、この空心コイル１１の巻線部分１１ａ
を埋設したＣｏ系非晶質合金からなる強磁性体粉体とエ
ポキシ樹脂からなる有機高分子材料との混合物１３とか
ら構成されているため、従来の如くフェライトやけい素
鋼・パーマロイのように粉末冶金や圧延・打抜・重ね接
続等をして成形する必要がなく、簡単な作業でインダク
タンス素子を得ることができる。従って、従来と比べ作
業性が著しく向上し、コスト低減化をなしえる。Thus, the inductance element according to the above embodiment includes the air-core coil 11 and the winding portion 11a of the air-core coil 11.
It is composed of a mixture 13 of a ferromagnetic powder made of a Co-based amorphous alloy embedded with an organic polymer material made of an epoxy resin. There is no need for molding using powder metallurgy, rolling, punching, stacking, etc., and the inductance element can be obtained with simple operations. Therefore, work efficiency is significantly improved compared to the conventional method, and costs can be reduced.
なお、上記実施例では、強磁性体粉体としてＣｏ系非晶
質合金を、かつ有機高分子材料としてエポキシ樹脂を用
いたが、これらの材料に限定されない。In the above embodiments, a Co-based amorphous alloy was used as the ferromagnetic powder and an epoxy resin was used as the organic polymer material, but the present invention is not limited to these materials.
また、上記実施例では、混合物で空心コイルの巻線部分
及びその周辺も埋設するようにした場合について述べた
が、これに限らず、前記空心コイルの巻線部分内に混合
物が充填されるように形成しても上記実施例と同様な効
果が期待できる。Further, in the above embodiment, a case has been described in which the winding portion of the air-core coil and its surroundings are also buried with the mixture, but the present invention is not limited to this. Even if it is formed as follows, the same effect as in the above embodiment can be expected.
［発明の効果］
以上詳述した如く本発明によれば、磁心の材料として強
磁性粉体と有機高分子材料との混合物を用いることによ
り、フェライトやけい素鋼・パマロイのような複雑な成
形を必要とする高い透磁率磁心を用いることなく、容易
に成形可能な低コストのインダクタンス素子を提供でき
る。[Effects of the Invention] As detailed above, according to the present invention, by using a mixture of ferromagnetic powder and organic polymer material as the material of the magnetic core, complex molding of materials such as ferrite, silicon steel, and pamaloy is possible. A low-cost inductance element that can be easily molded can be provided without using a high magnetic permeability magnetic core that requires.
第１図は本発明の一実施例に係るインダクタンス素子の
斜視図、第２図は同インダクタンス素子の一部を構成す
る空心コイルの斜視図、第３図は従来の空心コイルの斜
視図である。
１１・・・空心コイル、ｌｌａ・・・巻線部分、１３・
・・混合物。Fig. 1 is a perspective view of an inductance element according to an embodiment of the present invention, Fig. 2 is a perspective view of an air-core coil forming a part of the inductance element, and Fig. 3 is a perspective view of a conventional air-core coil. . 11... Air core coil, lla... Winding part, 13...
··blend.
Claims (1)
ルの少なくとも巻線部分内に設けられ，強磁性体粉体と
有機高分子の混合物からなる磁心とを具備することを特
徴とするインダクタンス素子。An inductance element comprising: an air-core coil formed by winding a conductor wire into a coil; and a magnetic core provided within at least the winding portion of the air-core coil and made of a mixture of ferromagnetic powder and organic polymer. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1245262A JPH03108703A (en) | 1989-09-22 | 1989-09-22 | Inductance element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1245262A JPH03108703A (en) | 1989-09-22 | 1989-09-22 | Inductance element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03108703A true JPH03108703A (en) | 1991-05-08 |
Family
ID=17131066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1245262A Pending JPH03108703A (en) | 1989-09-22 | 1989-09-22 | Inductance element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03108703A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2379558A (en) * | 2001-09-11 | 2003-03-12 | Baker R | Electromagnetic component and its method of manufacture |
-
1989
- 1989-09-22 JP JP1245262A patent/JPH03108703A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2379558A (en) * | 2001-09-11 | 2003-03-12 | Baker R | Electromagnetic component and its method of manufacture |
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