JPH063778B2 - Method of manufacturing toroidal magnetic core - Google Patents
Method of manufacturing toroidal magnetic coreInfo
- Publication number
- JPH063778B2 JPH063778B2 JP63089649A JP8964988A JPH063778B2 JP H063778 B2 JPH063778 B2 JP H063778B2 JP 63089649 A JP63089649 A JP 63089649A JP 8964988 A JP8964988 A JP 8964988A JP H063778 B2 JPH063778 B2 JP H063778B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic core
- toroidal magnetic
- toroidal
- coating
- manufacturing
- 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.)
- Expired - Lifetime
Links
Landscapes
- Manufacturing Cores, Coils, And Magnets (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、磁性合金薄帯を巻いて形成されるトロイダル
磁心及びその製造方法に関するものである。TECHNICAL FIELD The present invention relates to a toroidal magnetic core formed by winding a magnetic alloy ribbon and a method for manufacturing the toroidal magnetic core.
（従来の技術） 従来、磁性合金薄帯を巻いて形成するトロイダル磁心
は、磁心とその磁心に巻かれる巻線との間の絶縁を計る
ために、トロイダル磁心を絶縁ケースに収納し、その後
巻線を施す場合と、トロイダル磁心に絶縁コーティング
を施した後巻線を施す場合とがあった。(Prior Art) Conventionally, a toroidal magnetic core formed by winding a magnetic alloy ribbon is housed in an insulating case and then wound in order to measure insulation between the magnetic core and a winding wound around the magnetic core. In some cases, the wire is applied, and in some cases, the toroidal magnetic core is applied with an insulating coating and then wound.
（発明が解決しようとする課題） 従来のトロイダル磁心において、特に内径の小さいもの
においては、絶縁コーティングを施そうとした場合に、
径が小さいために、その内径部分に充分なコーティング
膜を形成することが困難であった。また、絶縁ケースに
収納する方法では、小さい内径がケースにより更に小さ
くなり、巻線作業が困難となっていた。(Problems to be Solved by the Invention) In a conventional toroidal magnetic core, particularly in a case where the inner diameter is small, when an insulating coating is applied,
Since the diameter is small, it is difficult to form a sufficient coating film on the inner diameter portion. Further, in the method of housing in an insulating case, the small inner diameter is further reduced due to the case, which makes winding work difficult.
本発明は、上記のことに鑑みて、内径の小さいトロイダ
ル磁心であっても、その内径部分に、充分な絶縁を施す
ことのできるトロイダル磁心を提供するものである。In view of the above, the present invention provides a toroidal magnetic core that can sufficiently insulate the inner diameter of a toroidal magnetic core having a small inner diameter.
（課題を解決するための手段） 本発明は、円筒状絶縁体と、該円筒状絶縁体の外周に磁
性合金薄帯を巻いてなるトロイダル磁心と、該トロイダ
ル磁心をコーティング用の軸に通し。更に該トロイダル
磁心の外周面及び両側面に形成された絶縁コーティング
とからなるトロイダル磁心である。(Means for Solving the Problem) The present invention provides a cylindrical insulator, a toroidal magnetic core formed by winding a magnetic alloy ribbon around the outer periphery of the cylindrical insulator, and the toroidal magnetic core passed through a coating shaft. Further, the toroidal magnetic core comprises an insulating coating formed on the outer peripheral surface and both side surfaces of the toroidal magnetic core.
また、本発明は、円筒状絶縁体の外周上に、磁性合金薄
帯を巻いてトロイダル磁心を形成し、該トロイダル磁心
をコーティング用の軸に通し更に該トロイダル磁心の両
側に断面が台形状の整形用リングを配置して、前記トロ
イダル磁心の外周上及び両側面に絶縁コーティングを施
すトロイダル磁心の製造方法である。Further, according to the present invention, a magnetic alloy ribbon is wound on the outer periphery of a cylindrical insulator to form a toroidal magnetic core, and the toroidal magnetic core is passed through a shaft for coating, and the cross section is trapezoidal on both sides of the toroidal magnetic core. A method for manufacturing a toroidal magnetic core, in which a shaping ring is disposed and an insulating coating is applied on the outer circumference and both side surfaces of the toroidal magnetic core.
（作用） 本発明は、トロイダル磁心の内周面の絶縁を計るため
に、内周に円筒状絶縁体を配置した。また、この円筒状
絶縁体を巻軸として、磁性合金薄帯を巻くことにより、
トロイダル磁心を形成でき、トロイダル磁心の内周部分
に後から絶縁手段を形成するものでなく、形成工程も容
易である。(Operation) In the present invention, in order to measure the insulation of the inner peripheral surface of the toroidal magnetic core, a cylindrical insulator is arranged on the inner periphery. Also, by winding the magnetic alloy ribbon around the cylindrical insulator as a winding axis,
The toroidal magnetic core can be formed, and the insulating means is not formed later on the inner peripheral portion of the toroidal magnetic core, and the forming process is easy.
また、本発明は、トロイダル磁心の外周上及び両側面に
絶縁手段を形成する方法として、内径に円筒状絶縁体を
配するトロイダル磁心を、コーティング用軸に通し、そ
の後断面が台形状の整形用リングを前記トロイダル磁心
の両側に配置してコーティングする。この整形用リング
により、磁心の角がテーパ状となり、巻線がし易く、か
つ線材を傷めない。Further, the present invention provides a method of forming an insulating means on the outer circumference and both side surfaces of a toroidal magnetic core, in which a toroidal magnetic core in which a cylindrical insulator is arranged in an inner diameter is passed through a coating shaft, and thereafter, for shaping a trapezoidal section Rings are placed and coated on both sides of the toroidal core. With this shaping ring, the corners of the magnetic core are tapered so that winding is easy and the wire is not damaged.
（実施例） 第１図に、本発明に係る一実施例の一部断面斜視図を示
す。この実施例は、チタン酸バリウムからなる外径3.8m
m、厚さ0.1mmの円筒状磁性体１０１の外周に、幅５mmの
アモルファス磁性合金薄帯１０２を外径が７mmになるよ
うに巻き、更にエポキシ樹脂による絶縁コーティングを
その外周及び両側面に、約0.3mm〜0.5mm施したものであ
る。(Embodiment) FIG. 1 shows a partial cross-sectional perspective view of an embodiment according to the present invention. This example has an outer diameter of 3.8 m made of barium titanate.
An amorphous magnetic alloy thin ribbon 102 having a width of 5 mm is wound around the outer circumference of a cylindrical magnetic body 101 having a thickness of 0.1 mm and a thickness of 0.1 mm to have an outer diameter of 7 mm, and further, an insulating coating of epoxy resin is applied to the outer circumference and both side surfaces, It is about 0.3 mm to 0.5 mm.
また、本発明に関する一実施例の製造方法を第２図に示
す。、まず、(a)円筒状絶縁体２０１を用意し、(b)その
円筒状絶縁体２０１を巻軸として、その巻軸の外周上に
磁性合金薄帯２０２を巻きトロイダル磁心を形成し、
(c)そのトロイダル磁心をコーティング用の軸２０３に
通し、両側に断面が台形状の整形用リング２０４を配置
し、(d)その後絶縁樹脂コーティング２０５を施し、(e)
そして、トロイダル磁心２０６を得るものである。この
実施例の整形用リング２０４は、テフロン等のコーティ
ングの付着しにくいものを使用し、また磁心のエッジ部
分のコーティングが鋭くならない様に整形する効果を有
する。Further, FIG. 2 shows a manufacturing method of an embodiment relating to the present invention. First, (a) a cylindrical insulator 201 is prepared, and (b) the toroidal magnetic core is formed by winding the magnetic alloy ribbon 202 on the outer circumference of the cylindrical insulator 201 as a winding shaft,
(c) The toroidal magnetic core is passed through a shaft 203 for coating, and shaping rings 204 each having a trapezoidal cross section are arranged on both sides, (d) An insulating resin coating 205 is then applied, and (e)
Then, the toroidal magnetic core 206 is obtained. The shaping ring 204 of this embodiment is made of a material such as Teflon which does not easily adhere to the coating, and has the effect of shaping so that the coating on the edge portion of the magnetic core does not become sharp.
本発明の円筒状絶縁体は、磁心を熱処理する場合または
コーティングの熱硬化させる場合などがあるため、それ
ぞれの場合においては、所定の耐熱性を有する材料が好
ましい。Since the cylindrical insulator of the present invention may be used for heat treatment of the magnetic core or for heat curing of the coating, a material having a predetermined heat resistance is preferable in each case.
また、本発明の一実施例の製造方法では、コーティング
される磁心が一つであったが、整形用リングを挟んで、
磁心を複数個並べてコーティングすると、量産性が高
い。Further, in the manufacturing method of one embodiment of the present invention, the number of magnetic cores coated is one, but with the shaping ring sandwiched,
Mass-productivity is high when multiple magnetic cores are arranged and coated.
（発明の効果） 本発明は、内形の小さいトロイダル磁心であっても、容
易にその小さい内径部分に絶縁を計ることができるもの
であり、更にそのトロイダル磁心を用意にしかも仕上が
りよく製造する方法であり、産業状極めて有益である。(Effects of the Invention) The present invention is capable of easily measuring insulation in a small inner diameter portion of a toroidal magnetic core having a small inner shape, and a method of manufacturing the toroidal magnetic core easily and with good finish. Therefore, the industrial situation is extremely beneficial.
第１図は、本発明に係る一実施例の一部断面斜視図であ
り、第２図は、本発明に係る一実施例の製造方法を示す
図である。 101，201…円筒状絶縁体、102…アモルファス磁性合
金、103…絶縁コーティング、202…磁性合金薄帯、203
…軸、204…整形リング。FIG. 1 is a partial cross-sectional perspective view of one embodiment according to the present invention, and FIG. 2 is a diagram showing a manufacturing method of one embodiment according to the present invention. 101, 201 ... Cylindrical insulator, 102 ... Amorphous magnetic alloy, 103 ... Insulating coating, 202 ... Magnetic alloy ribbon, 203
… Axis, 204… Shaping ring.
Claims (1)
巻いてトロイダル磁心を形成し、該トロイダル磁心をコ
ーティング用の軸に通し、更に該トロイダル磁心の両側
に断面が台形状の整形用リングを配置して、前記トロイ
ダル磁心の外周上及び両側面に絶縁コーティングを施す
ことを特徴とするトロイダル磁心の製造方法。1. A toroidal magnetic core is formed by winding a magnetic alloy strip on the outer circumference of a cylindrical insulator, and the toroidal magnetic core is passed through a shaft for coating, and the toroidal magnetic core has a trapezoidal cross section on both sides. A method for manufacturing a toroidal magnetic core, comprising disposing a shaping ring, and applying an insulating coating on the outer periphery and both side surfaces of the toroidal magnetic core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63089649A JPH063778B2 (en) | 1988-04-11 | 1988-04-11 | Method of manufacturing toroidal magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63089649A JPH063778B2 (en) | 1988-04-11 | 1988-04-11 | Method of manufacturing toroidal magnetic core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01260802A JPH01260802A (en) | 1989-10-18 |
| JPH063778B2 true JPH063778B2 (en) | 1994-01-12 |
Family
ID=13976614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63089649A Expired - Lifetime JPH063778B2 (en) | 1988-04-11 | 1988-04-11 | Method of manufacturing toroidal magnetic core |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH063778B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01173905U (en) * | 1988-05-27 | 1989-12-11 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59181006A (en) * | 1983-03-31 | 1984-10-15 | Toshiba Corp | Magnetic core |
| JPS6137762A (en) * | 1984-07-27 | 1986-02-22 | ヘキスト・ユ−・ケイ・リミテツド | Sulfamoylguanidine derivative |
-
1988
- 1988-04-11 JP JP63089649A patent/JPH063778B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59181006A (en) * | 1983-03-31 | 1984-10-15 | Toshiba Corp | Magnetic core |
| JPS6137762A (en) * | 1984-07-27 | 1986-02-22 | ヘキスト・ユ−・ケイ・リミテツド | Sulfamoylguanidine derivative |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01260802A (en) | 1989-10-18 |
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