JPH01260802A - Toroidal magnetic core and its manufacture - Google Patents
Toroidal magnetic core and its manufactureInfo
- Publication number
- JPH01260802A JPH01260802A JP8964988A JP8964988A JPH01260802A JP H01260802 A JPH01260802 A JP H01260802A JP 8964988 A JP8964988 A JP 8964988A JP 8964988 A JP8964988 A JP 8964988A JP H01260802 A JPH01260802 A JP H01260802A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic core
- toroidal magnetic
- toroidal
- cylindrical insulator
- coating
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 20
- 238000000576 coating method Methods 0.000 claims abstract description 20
- 239000012212 insulator Substances 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 15
- 229910001004 magnetic alloy Inorganic materials 0.000 claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 abstract description 7
- 229920005989 resin Polymers 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
Landscapes
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
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１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。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a toroidal magnetic core formed by winding a magnetic alloy band, and a method for manufacturing the same.
（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 insulate the magnetic core and the windings wound around the magnetic core. In some cases, winding was applied after applying an insulating coating to the toroidal magnetic core.
（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イング
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 conventional toroidal magnetic cores, especially those with a small inner diameter, when trying to apply an insulating coating,
Since the diameter is small, it has been difficult to form a sufficient coating film on the inner diameter portion. Furthermore, in the method of housing the wire in an insulating case, the small inner diameter becomes even smaller due to the case, making 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 provide sufficient insulation to the inner diameter portion even if the toroidal magnetic core has 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 Problems) The present invention includes a cylindrical insulator, a toroidal magnetic core formed by winding a magnetic alloy ribbon around the outer periphery of the cylindrical insulator, and a toroidal magnetic core formed on the outer circumferential surface and both side surfaces of the toroidal magnetic core. It is a toroidal magnetic core consisting of an insulating coating.
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。The present invention also provides a method of forming a toroidal magnetic core by winding a magnetic alloy ribbon around the outer periphery of a cylindrical insulator, passing the toroidal magnetic core through a coating shaft, and further having trapezoidal cross sections on both sides of the toroidal magnetic core. This method of manufacturing a toroidal magnetic core includes arranging a shaping ring and applying an insulating coating on the outer periphery and both sides 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。(Function) In the present invention, a cylindrical insulator is arranged on the inner circumference of the toroidal magnetic core in order to insulate the inner circumferential surface of the toroidal magnetic core. In addition, a toroidal magnetic core can be formed by winding a magnetic alloy ribbon around this cylindrical insulator as a winding axis, and there is no need to form insulation means on the inner circumference of the toroidal magnetic core afterwards, making the forming process easy. be.
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。In addition, the present invention provides a method for forming insulation means on the outer periphery and both sides of a toroidal magnetic core, in which a toroidal magnetic core having a cylindrical insulator arranged on the inner diameter is passed through a coating shaft, and then a shaping device having a trapezoidal cross section is formed. Rings are placed and coated on both sides of the toroidal core. This shaping ring makes the corners of the magnetic core tapered, making it easier to wind the wire without damaging the wire.
（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．
８ｍｍ、厚さ０．３ｍｍ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〜
０．５＋ｍ施したものである。(Example) FIG. 1 shows a partially cross-sectional perspective view of an example according to the present invention. This example is made of barium titanate and has an outer diameter of 3.
An amorphous magnetic alloy ribbon 102 with a width of 5 mm is wound around the outer periphery of a cylindrical magnetic body 101 with a diameter of 8 mm and a thickness of 0.3 mm so that the outer diameter is 7 mm, and an insulating coating of epoxy resin is further applied to the outer periphery and both sides. , about 0.3mm~
0.5+m was applied.
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２０
３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
のエツ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。A manufacturing method according to an embodiment of the present invention is shown in FIG. 2. First, (a) a cylindrical insulator 201 is prepared, and (b)
Using the cylindrical insulator 201 as a winding shaft, a magnetic alloy ribbon 202 is wound around the outer periphery of the winding shaft to form a toroidal magnetic core, and (C) a shaft 20 for coating the toroidal magnetic core is formed.
3, a shaping ring 204 having a trapezoidal cross section is placed on both sides, (d) an insulating resin coating 205 is then applied, and (e) a toroidal magnetic core 206 is obtained. The shaping ring 204 of this embodiment is made of a material such as Teflon to which the coating does not easily adhere, and has the effect of shaping the edge portion of the magnetic core so that the coating 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 heat-treated for the magnetic core or heat-cured for the coating, in each case, a material having a predetermined heat resistance is preferable.
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
。In addition, in the manufacturing method of one embodiment of the present invention, there was only one magnetic core to be coated, but with a shaping ring in between,
Mass production is high when multiple magnetic cores are lined up 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 enables insulation to be easily provided in the small inner diameter portion of a toroidal magnetic core having a small internal diameter, and further provides a method for manufacturing the toroidal magnetic core easily and with good finish. Therefore, it is extremely beneficial for the industrial situation.
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、２
０２・・・・磁性合金薄帯、２０３・・・軸、２０４・
・・整形リング。FIG. 1 is a partially sectional perspective view of an embodiment of the present invention, and FIG. 2 is a diagram showing a manufacturing method of the embodiment of the present invention. 101.201... Cylindrical insulator, 102... Amorphous magnetic alloy, 103... Insulating coating, 2
02... Magnetic alloy ribbon, 203... Shaft, 204...
...Orthopedic ring.
Claims (2)
薄帯を巻いてなるトロイダル磁心と、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。1. A toroidal magnetic core consisting of a cylindrical insulator, a toroidal magnetic core formed by winding a magnetic alloy ribbon around the outer circumference of the cylindrical insulator, and an insulating coating formed on the outer circumferential surface and both side surfaces of the toroidal magnetic core.
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。2. A toroidal magnetic core is formed by wrapping a magnetic alloy ribbon around the outer circumference of a cylindrical insulator, the toroidal magnetic core is passed through a coating shaft, and shaping rings with trapezoidal cross sections are placed on both sides of the toroidal magnetic core. A method for manufacturing a toroidal magnetic core, comprising: 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 true JPH01260802A (en) | 1989-10-18 |
| JPH063778B2 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) |
Cited By (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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01173905U (en) * | 1988-05-27 | 1989-12-11 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH063778B2 (en) | 1994-01-12 |
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