JPH07169636A - Manufacture of coil - Google Patents
Manufacture of coilInfo
- Publication number
- JPH07169636A JPH07169636A JP5312121A JP31212193A JPH07169636A JP H07169636 A JPH07169636 A JP H07169636A JP 5312121 A JP5312121 A JP 5312121A JP 31212193 A JP31212193 A JP 31212193A JP H07169636 A JPH07169636 A JP H07169636A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- yoke
- winding
- copper wire
- copper wires
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000004804 winding Methods 0.000 claims abstract description 27
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 description 15
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
Landscapes
- Coil Winding Methods And Apparatuses (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、モータ、トランス等に
使用されるコイルの製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a coil used in a motor, a transformer and the like.
【０００２】[0002]
【従来の技術】従来、同種のものには、絶縁膜を被覆し
た銅線（以後銅線と呼ぶ）を絶縁膜を被覆した鉄芯（以
後ヨークと呼ぶ）またはボビンへ規則性なく巻かれたも
の（以後乱巻き型コイルと呼ぶ）や、銅線をストレート
状に密着巻きした空芯コイルを円弧形状のヨークに沿わ
して曲げ加工を施し、円弧状のヨークへ挿入した後に接
着して固定させたもの（以後ストレート曲げ型コイルと
呼ぶ）などがある。2. Description of the Related Art Conventionally, in the same type, a copper wire coated with an insulating film (hereinafter referred to as a copper wire) is regularly wound around an iron core (hereinafter referred to as a yoke) coated with an insulating film or a bobbin. A coil (hereinafter referred to as a random winding type coil) or an air-core coil in which copper wire is closely wound in a straight shape is bent along an arc-shaped yoke, inserted into the arc-shaped yoke, and then fixed by bonding. Some of them have been made (hereinafter called straight bending type coils).
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前記従
来の製造方法によるコイルは、一長一短があり、すなわ
ち、乱巻型コイルは、円弧状のコイルに不規則に銅線を
直接巻回せばよいため、加工時間も短くて済みコストも
安く加工することは可能であり、巻数の比較的少ないコ
イルについては有効である。しかし、巻数の多いコイル
を構成しようとすると不規則に巻いていくために外形形
状はばらばらになり（銅線がヨークの中央部に片寄って
しまい中膨れ状態になる）出来上がりの大きさを予測す
ることは困難であると共に不規則に巻回されているため
磁気特性の安定性にも不安が残るため、小さくて高特性
を得ようとするコイルには不向きであり、これまでにも
あまり使用される機会は少なかった。However, the coil according to the conventional manufacturing method has advantages and disadvantages, that is, the irregular winding type coil may be formed by directly winding the copper wire around the arc-shaped coil irregularly. It is possible to process with a short processing time and a low cost, and it is effective for a coil with a relatively small number of turns. However, if you try to construct a coil with a large number of turns, it will wind irregularly, so the external shape will be scattered (the copper wire will be biased to the center of the yoke and will be in a bulge state) Predict the finished size It is difficult to use, and because it is wound irregularly, the stability of the magnetic characteristics remains uncertain, so it is unsuitable for coils that are small and attempt to obtain high characteristics. There were few opportunities to live.
【０００４】ストレート型曲げコイルは、例えば、最近
特に小型化が進んで来たカメラ部品（シャッター駆動用
のステッピングモーターなど）として、小型化の一手段
として使用されるようになって来たが、第１に、一度ス
トレートに密着巻きした空芯コイルに曲げ加工を施した
後にヨークへ挿入して接着する作業が必要となるため、
部品加工に手間を要し加工費用は高くなる。第２に、曲
げ加工後のコイルを円弧状のヨークへ挿入する際に余裕
しろを設ける必要があるため、コストが高い割りには狙
ったほど外形を小さくすることができない。第３に、ス
トレート形状に密着巻きされたコイルに曲げ加工を施す
際の曲げ加工を厳密に行なえず、曲げ加工後の外形寸法
を予測することは困難であるため、設計上においてもス
ペースの余裕を多めに確保する必要があり、小型化への
関与の度合も減少してくる、などの問題点を抱えてお
り、生産上好ましくない。The straight type bending coil has come to be used as a means for downsizing, for example, as a camera part (stepping motor for driving a shutter, etc.) which has recently been particularly downsized. First, it is necessary to bend the air core coil that has been tightly wound in a straight line and then insert it into the yoke to bond it.
It takes time and labor to process parts, and the processing cost is high. Secondly, since it is necessary to provide a margin when inserting the coil after bending into the arc-shaped yoke, it is not possible to reduce the outer shape as much as the cost, even if the cost is high. Thirdly, since it is not possible to perform the bending work precisely when performing the bending work on the coil closely wound in a straight shape, it is difficult to predict the outer dimension after the bending work, and therefore there is a space in the design. However, there is a problem that the degree of involvement in miniaturization is reduced, which is not preferable in production.
【０００５】本発明は、上記のような問題点を解決しよ
うとするものである。すなわち、本発明は、巻き条件を
容易に計算上で表現ができて、加工時間が短く、安価で
あって、外径の大きさの割りには性能のよいコイルの製
造方法を提供することを目的とするものである。The present invention is intended to solve the above problems. That is, the present invention provides a method of manufacturing a coil that can easily express a winding condition by calculation, has a short processing time, is inexpensive, and has good performance for the size of the outer diameter. It is intended.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、絶縁膜を被覆した銅線を、円弧状の絶縁
膜を被覆した鉄芯とボビンのいずれかからなる巻芯へ幾
重にも巻回してコイルを製造する方法で、前記巻芯の中
心点から放射状へ伸ばした線上に銅線を積み重ねて巻回
するようにした。In order to achieve the above-mentioned object, the present invention relates to a copper wire coated with an insulating film and a core made of either an iron core coated with an arc-shaped insulating film or a bobbin. In the method of manufacturing a coil by winding the wire in multiple layers, copper wires are stacked and wound on a wire extending radially from the center point of the winding core.
【０００７】[0007]
【作用】本発明によれば、絶縁膜を被覆した銅線を巻回
した円弧状コイルにおいて、円弧中心から放射線状に伸
ばした線上に銅線を積み重ねながら巻回して製造するこ
とにより、これまでのように空芯コイルを作製した後に
挿入することなく、円弧形状をしたヨークなどの巻芯へ
直接密着させて銅線を巻回すことができると共に巻き条
件を容易に計算上で表現できるため、加工時間も短く、
安価で小さく、製品設計上の部品配置においても効率の
よい円弧状コイルを提供することができ、生産性が大幅
に向上し、外形の大きさの割りには性能のよいコイルを
製作することが可能となる。According to the present invention, an arc-shaped coil formed by winding a copper wire coated with an insulating film is manufactured by winding the copper wire while stacking the copper wire on a wire extending radially from the arc center. Since it is possible to wind the copper wire by directly adhering it to a winding core such as an arc-shaped yoke without inserting it after manufacturing the air-core coil as described above, and the winding condition can be easily expressed by calculation. The processing time is short,
It is possible to provide an arc-shaped coil that is inexpensive and small, and that is efficient even when arranging parts for product design, which greatly improves productivity and makes it possible to manufacture a coil with good performance for its outer size. It will be possible.
【０００８】[0008]
【実施例】図１ないし図３は本発明の方法の第１実施例
によって得られたコイルを示している。1 to 3 show a coil obtained according to a first embodiment of the method of the present invention.
【０００９】すなわち、この第１実施例によるコイルは
図１に示すように、所要の特性が得られるように設定し
た断面積を持つ絶縁膜を被覆した銅線１を巻回したコイ
ルで絶縁膜を被覆したヨーク２に直接巻回してあり、図
２に厚み方向の中央断面図を示す。That is, as shown in FIG. 1, the coil according to the first embodiment is a coil formed by winding a copper wire 1 coated with an insulating film having a cross-sectional area set so as to obtain desired characteristics. Is wound directly on the yoke 2 covering the core, and FIG. 2 shows a central cross-sectional view in the thickness direction.
【００１０】図２に示すコイルの断面図は一例であり、
本条件ではヨーク２の巻回し部分の内側半径８．０ｍｍ
・外側半径９．４ｍｍ・ヨークへの絶縁膜２ｂの厚み
０．０５ｍｍのヨーク２に直径０．２ｍｍの銅線１を２
２４巻きの総数を８層に重ねて巻回した条件での構成で
ある。The cross-sectional view of the coil shown in FIG. 2 is an example,
Under this condition, the inner radius of the wound portion of the yoke 2 is 8.0 mm.
・ Outer radius 9.4 mm ・ Insulating film 2b on the yoke 2 has a thickness of 0.05 mm and the copper wire 1 with a diameter of 0.2 mm is attached to the yoke 2.
It is a structure under the condition that the total number of 24 turns is wound in 8 layers.
【００１１】この条件で巻上がったコイルの大きさは内
側半径６．５７６ｍｍ・外側半径１０．５７４ｍｍとな
り、コイルの厚みについては層数を重ねることで必ず交
差するポイント（本条件では図の厚み方向で銅線１が交
差する条件で巻回したことを前提としている）が発生す
るため、［層数×銅線１の直径］で計算することができ
る。例えば、ヨーク２の厚みを１ｍｍとすれば絶縁膜２
ｂの厚みをプラスした厚み１．１ｍｍに８層×０．２ｍ
ｍ×２（裏表）＝３．２ｍｍを足し合わせた数字４．３
ｍｍになる。The size of the coil wound up under these conditions is an inner radius of 6.576 mm and an outer radius of 10.574 mm. Regarding the thickness of the coil, the points that must intersect when the number of layers are piled up Therefore, it is possible to calculate by [number of layers × diameter of copper wire 1]. For example, if the thickness of the yoke 2 is 1 mm, the insulating film 2
8 layers x 0.2 m with a thickness of 1.1 mm plus the thickness of b
mx 4.3 (front and back) = 3.2 mm, the figure 4.3
mm.
【００１２】また本実施例ではヨーク２に銅線１を直に
巻回しており、ヨーク２の銅線１の巻回し部分の形状の
み円弧中心に対して同寸法としており、ヨーク２の先端
部２ａは性能向上のためにヨーク２先端部分の対向面積
２ｃを広く設定している。Further, in this embodiment, the copper wire 1 is directly wound around the yoke 2, and only the shape of the wound portion of the copper wire 1 of the yoke 2 has the same size with respect to the arc center, and the tip portion of the yoke 2 is formed. 2a has a large facing area 2c at the tip of the yoke 2 for improving performance.
【００１３】ヨーク２に対する銅線１の巻条件を図３に
示す横断面図に基づき説明する。The winding conditions of the copper wire 1 around the yoke 2 will be described with reference to the cross sectional view shown in FIG.
【００１４】この図は巻条件の説明を解りやすくするた
めに簡略化しており、巻総数２２巻・積み重ね層数４層
で設定している。This figure is simplified for easy understanding of the winding conditions, and the number of windings is 22 and the number of stacked layers is 4 layers.
【００１５】図３における記号は下記の通りである。The symbols in FIG. 3 are as follows.
【００１６】θ ：銅線１ピッチ当たりの振れ角（奇数
層と偶数層ではθ／２分のズレ）、 ｒc ：銅線の半径（絶縁膜の被覆を含む）、 ＲL ：コイル最大半径、ＲS ：コイル最小半径、 ＲYO：ヨークの外側の半径、ＲYI：ヨークの内側の半
径、 ｔi ：絶縁膜の厚み、 ＲCO1 ，ＲCO2 ，ＲCO3 ，ＲCO4 ：ヨークに対して外側
の各層毎の銅線中心の半径、 ＲCI1 ，ＲCI2 ，ＲCI3 ，ＲCI4 ：ヨークに対して内側
の各層毎の銅線中心の半径、 ＡO1-2，ＡO2-3，ＡO3-4，ＡI1-2，ＡI2-3，，ＡI3-4：
積み重ねた銅線の銅線中心によって形成される二等辺三
角形の頂角、 前記条件において、巻回す総層数をｎ・層数をｍ・内側
の巻回し最終層の隣接し合う銅線１が密着したことを前
提として巻回そうとしたとき、巻線の関係は以下の式で
表わすことができる。The theta: deflection angle per copper 1 pitch (odd-numbered layers and the deviation of theta / 2 minutes on even layer), r c: (including a coating of insulating film) of copper wire radius, R L: coil maximum radius , R S : minimum coil radius, R YO : outer radius of yoke, R YI : inner radius of yoke, t i : thickness of insulating film, R CO1 , R CO2 , R CO3 , R CO4 : relative to yoke Radius of copper wire center for each outer layer, R CI1 , R CI2 , R CI3 , R CI4 : Radius of copper wire center for each inner layer relative to the yoke, A O1-2 , A O2-3 , A O3 -4 , A I1-2 , A I2-3 , A I3-4 :
The apex angle of an isosceles triangle formed by the copper wire centers of the stacked copper wires, and under the above conditions, the total number of layers to be wound is n, the number of layers is to be m, and the innermost wound copper wire 1 is the adjacent layer. When winding is attempted on the assumption that they are in close contact, the relationship of the windings can be expressed by the following formula.
【００１７】[0017]
【数１】 [Equation 1]
【００１８】この時の巻回し条件の限界は、最終層の銅
線１ａが一つ手前の層の銅線１ｂ、とその隣の銅線１ｃ
との間に積み重ねる時に更にもう一つ手前の銅線１ｄと
接触するポイントとなり、The limit of the winding condition at this time is that the copper wire 1a of the last layer is the copper wire 1b of the previous layer and the copper wire 1c adjacent thereto.
It becomes a point to contact with another copper wire 1d in front when stacking between
【００１９】[0019]
【数２】 [Equation 2]
【００２０】の式で表わせる。It can be expressed by the following equation.
【００２１】図４は従来例のストレート曲げ型コイルの
一例の外観斜視図であり、図５は図４の中央断面図であ
り、本発明の方法によるコイルと比較するために参考と
して述べる。FIG. 4 is an external perspective view of an example of a conventional straight bending type coil, and FIG. 5 is a central sectional view of FIG. 4, which will be described as a reference for comparison with the coil according to the method of the present invention.
【００２２】この例も、本発明によるコイル（図１）と
同様の巻条件で巻いたものを図５の中央横断面図で表わ
してあり、曲げ加工前のストレート状に密着巻きされた
空芯コイルを図６に示す。このストレート曲げ型コイル
はヨーク３に曲げ加工を施したコイルを挿入する際の余
裕５を前周０．１ｍｍ確保した設定としている。Also in this example, a coil wound under the same winding conditions as the coil according to the present invention (FIG. 1) is shown in the central cross-sectional view of FIG. 5, and the air core tightly wound in a straight shape before bending. The coil is shown in FIG. In this straight bending coil, a margin 5 for inserting a coil whose yoke 3 is bent is set to have a front circumference of 0.1 mm.
【００２３】但し、曲げ加工の精度等を考慮すると、こ
の０．１ｍｍの余裕（５）は限界ギリギリである。（組
込み性及び加工精度等を考慮すると、この余裕（５）は
片側０．２ｍｍ以上確保した方が安全である。）本発明
の方法の第２実施例によって得られたコイルの外観斜視
図を図７に、図８に図７の横中央断面図を示す。この例
では、外形を小さくできるという本発明の特徴を生か
し、銅線１をヨーク３に直に巻回すのではなく、銅線１
をボビン４へ巻回してコイルを構成することにより、コ
イルとヨーク３との絶縁を行なう必要はなくなる。However, considering the accuracy of bending, etc., this margin (5) of 0.1 mm is at the limit. (It is safer to secure the margin (5) of 0.2 mm or more on one side in consideration of the assembling property and the processing accuracy.) A perspective view of the appearance of the coil obtained by the second embodiment of the method of the present invention is shown. FIG. 7 shows a lateral center sectional view of FIG. In this example, taking advantage of the feature of the present invention that the outer shape can be made small, the copper wire 1 is not directly wound around the yoke 3,
Is wound around the bobbin 4 to form a coil, there is no need to insulate the coil from the yoke 3.
【００２４】なおかつボビン４へ銅線１のガイドの溝４
ａを設けることで巻回し時の整列性を考慮でき、比較的
簡単に銅線１をボビンに整列させて巻回すことができる
ため、ボビンを併用したとしても前記ストレート曲げ型
コイル（図４・図５）が必要とするスペースよりも小さ
いスペースで円弧状コイルを構成することが可能とな
る。（この時のボビンの挿入余裕６は片側０．０５ｍｍ
を想定している。）Moreover, the groove 4 of the guide of the copper wire 1 is attached to the bobbin 4.
By providing a, the alignment at the time of winding can be considered and the copper wire 1 can be relatively easily aligned and wound on the bobbin. Therefore, even if the bobbin is used together, the straight bending coil (Fig. It is possible to configure the arc-shaped coil in a space smaller than the space required by FIG. 5). (The bobbin insertion margin 6 at this time is 0.05 mm on one side.
Is assumed. )
【００２５】[0025]
【発明の効果】以上説明したように、本発明によれば、
絶縁膜を被覆した銅線を巻回した円弧状のコイルを製造
するうえにおいて、コイル鉄芯やボビンなどの巻芯の円
弧中心から放射状に伸ばした線上に沿って前記銅線を積
み上げて巻回していくことで、鉄芯などに直に銅線を巻
きつけることが可能なるため、無駄な手間をかけずに安
く、小さくて高性能のコイルユニットを構成し、生産性
の高いコイルを製造することができる。As described above, according to the present invention,
In manufacturing an arc-shaped coil in which a copper wire coated with an insulating film is wound, the copper wires are stacked and wound along a line radially extended from the arc center of the winding core of a coil iron core or bobbin. By doing so, it is possible to directly wind the copper wire around the iron core, etc., so that you can construct a low-cost, small, high-performance coil unit without wasting time, and manufacture a highly productive coil. be able to.
【図１】本発明方法の第１実施例によるコイルの外観斜
視図である。FIG. 1 is an external perspective view of a coil according to a first embodiment of the method of the present invention.
【図２】図１のコイルの横中央拡大断面図である。2 is a lateral center enlarged cross-sectional view of the coil of FIG. 1. FIG.
【図３】図１のコイルの巻き条件を説明するための横中
央断面図である。FIG. 3 is a horizontal center cross-sectional view for explaining winding conditions of the coil of FIG.
【図４】従来のストレート曲げ型コイルの外観斜視図で
ある。FIG. 4 is an external perspective view of a conventional straight bending coil.
【図５】図４のコイルの横中央拡大断面図である。5 is a lateral center enlarged cross-sectional view of the coil of FIG.
【図６】従来のストレート曲げ型コイルの曲げ加工前の
密着巻き空芯コイルの外観斜視図である。FIG. 6 is an external perspective view of a close-wound air-core coil of a conventional straight bending coil before bending.
【図７】本発明方法の第２実施例によるコイルの外観斜
視図である。FIG. 7 is an external perspective view of a coil according to a second embodiment of the method of the present invention.
【図８】図７のコイルの横中央拡大断面図である。FIG. 8 is a lateral center enlarged cross-sectional view of the coil of FIG.
１…銅線 ２…ヨーク ３…ヨーク ４…ボビン ５…ストレート曲げ型コイルのヨークへの挿入余裕（隙
間） ６…円弧状ボビンのヨークへの挿入余裕（隙間）1 ... Copper wire 2 ... Yoke 3 ... Yoke 4 ... Bobbin 5 ... Insertion allowance (gap) of straight bending coil to yoke 6 ... Insertion allowance (gap) of arc-shaped bobbin to yoke
Claims (1)
膜を被覆した鉄芯とボビンのいずれかからなる巻芯へ幾
重にも巻回してコイルを製造する方法で、前記巻芯の中
心点から放射状へ伸ばした線上に銅線を積み重ねて巻回
することを特徴とするコイルの製造方法。1. A method for producing a coil by winding a copper wire coated with an insulating film multiple times around a core made of either an iron core coated with an arc-shaped insulating film or a bobbin to produce a coil. A method for manufacturing a coil, characterized in that copper wires are stacked and wound on a wire extending radially from the center point of the coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5312121A JPH07169636A (en) | 1993-12-13 | 1993-12-13 | Manufacture of coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5312121A JPH07169636A (en) | 1993-12-13 | 1993-12-13 | Manufacture of coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07169636A true JPH07169636A (en) | 1995-07-04 |
Family
ID=18025505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5312121A Pending JPH07169636A (en) | 1993-12-13 | 1993-12-13 | Manufacture of coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07169636A (en) |
-
1993
- 1993-12-13 JP JP5312121A patent/JPH07169636A/en active Pending
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