JPH0214176Y2 - - Google Patents
Info
- Publication number
- JPH0214176Y2 JPH0214176Y2 JP5149184U JP5149184U JPH0214176Y2 JP H0214176 Y2 JPH0214176 Y2 JP H0214176Y2 JP 5149184 U JP5149184 U JP 5149184U JP 5149184 U JP5149184 U JP 5149184U JP H0214176 Y2 JPH0214176 Y2 JP H0214176Y2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- winding
- groove
- core
- winding groove
- 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
Links
- 238000004804 winding Methods 0.000 claims description 41
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000006247 magnetic powder Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案はコアにコイルを巻回して高周波の領域
で使用する高周波線輪に関するものである。[Detailed Description of the Invention] (Industrial Field of Application) The present invention relates to a high-frequency coil that is used in a high-frequency range by winding a coil around a core.
（従来技術）
数十メガヘルツより１ギガヘルツ前後までの高
周波領域で使用される分配器あるいはバルントラ
ス等に用いられる高周波線輪は次のように構成さ
れるのが一般的であつた。第１図はその一例を示
す斜視図であり、コア１として透孔１１があけら
れたフエライトコアを用い、この透孔１１にコイ
ル２を巻回したものである。ここで、これらの高
周波線輪に用いられるコア１は小さなものであつ
て、これにあけられた直径２mm前後の小さな透孔
１１にコイル２を巻く作業は手間のかかる繁雑な
ものであり、さらに自動機を用いての巻線作業は
不可能なものであつた。(Prior Art) A high-frequency coil used in a distributor or balun truss used in a high-frequency range from several tens of megahertz to around 1 gigahertz has generally been constructed as follows. FIG. 1 is a perspective view showing one example, in which a ferrite core with a through hole 11 is used as the core 1, and a coil 2 is wound around the through hole 11. Here, the core 1 used in these high-frequency coils is small, and the work of winding the coil 2 around the small through hole 11 of about 2 mm in diameter is laborious and complicated. Winding work using automatic machines was impossible.
（考案の目的）
本考案はこの点に着目してなされたものであ
り、巻線作業を容易なものとするとともに、自動
機を用いての巻線をも可能とした高周波線輪の提
供を目的とするものである。(Purpose of the invention) The present invention was made with attention to this point, and aims to provide a high-frequency wire ring that not only makes winding work easier but also allows winding using an automatic machine. This is the purpose.
（考案の構成）
そのため、本考案の高周波線輪では、円柱形状
をなし、外周面にコイルの線径よりやや広い幅で
所定の深さに刻設された巻線溝、およびこの巻線
溝より端面へ、コイルの線径よりやや広い幅で連
通する割り溝を有するコアと、前記巻線溝内に１
列にうず巻状に巻回され、巻始めが前記割り溝よ
り引出されているコイルと、前記巻線溝にコイル
の上より塗布されて固化した、硬化性媒質に磁性
粉末を混入した塗布剤で形成される磁気橋絡部と
で構成されており、これによつて特性をほとんど
劣化させることなく前述の目的を達成せんとする
ものである。(Structure of the invention) Therefore, the high-frequency coil of the invention has a cylindrical shape, and has a winding groove carved at a predetermined depth with a width slightly wider than the wire diameter of the coil on the outer peripheral surface, and A core having a split groove communicating with the end face with a width slightly wider than the wire diameter of the coil, and a core with a groove in the winding groove.
A coil that is wound in a spiral shape in a row, with the beginning of the winding being pulled out from the split groove, and a coating agent that is a hardening medium mixed with magnetic powder that is applied to the winding groove from above the coil and solidified. The purpose is to achieve the above-mentioned objective without substantially deteriorating the characteristics.
（実施例）
次に本考案の実施の一例を図面を参照しながら
説明する。(Example) Next, an example of implementation of the present invention will be described with reference to the drawings.
第２図は本考案に係る高周波線輪の一実施例の
正面図、第３図はその−線断面図である。こ
れら両図面に於て、３はコア、４はコイル、５は
磁気橋絡部である。 FIG. 2 is a front view of an embodiment of the high-frequency wire ring according to the present invention, and FIG. 3 is a cross-sectional view thereof taken along the - line. In both of these drawings, 3 is a core, 4 is a coil, and 5 is a magnetic bridge section.
コア３は第４図にその外観形状を詳細に示す如
く略円柱形状をなしており、例えば直径８mm、長
さ３，４mm程度のフエライトコアが用いられてい
る。そして、このコア３の外周面には、環状の巻
線溝３１が１条刻設されている。この巻線溝３１
は、その幅がコイル４の線径よりやや広い値に設
定されている。例えば、コイル４に直径0.32mmの
線材が用いられている場合にはこの巻線溝３１の
幅は0.35mm程度に設定される。また、その深さ
は、この巻線溝３１内に所定の巻数のコイル４が
収容できる程度の値、例えば３mm程度に設定され
る。 The core 3 has a substantially cylindrical shape as shown in detail in FIG. 4, and a ferrite core having a diameter of 8 mm and a length of about 3 to 4 mm is used, for example. One annular winding groove 31 is formed on the outer peripheral surface of the core 3. This winding groove 31
The width is set to a value slightly wider than the wire diameter of the coil 4. For example, if the coil 4 uses a wire rod with a diameter of 0.32 mm, the width of the winding groove 31 is set to about 0.35 mm. Further, the depth is set to a value such that a predetermined number of turns of the coil 4 can be accommodated in the winding groove 31, for example, about 3 mm.
また、この巻線溝３１からはコア３の一方の端
面へ割り溝３２が連通している。この割り溝３２
はコア３の外周面に開口しており、その端部３２
ａは前記巻線溝３１の底面に一致している。この
割り溝３２の幅はコイル４の線径よりやや広い値
に設定されており、そのゆとりは前記巻線溝３１
の場合より若干大きくとれらている。例えば、コ
イル４の線径が前述の0.32mmであれば、この割り
溝３２の幅は0.5mm程度に設定される。 Furthermore, a split groove 32 communicates from this winding groove 31 to one end surface of the core 3 . This dividing groove 32
is open on the outer peripheral surface of the core 3, and its end 32
a corresponds to the bottom surface of the winding groove 31. The width of this dividing groove 32 is set to a value slightly wider than the wire diameter of the coil 4, and the width is set to a value slightly wider than the wire diameter of the coil 4.
It is slightly larger than in the case of . For example, if the wire diameter of the coil 4 is the aforementioned 0.32 mm, the width of the dividing groove 32 is set to about 0.5 mm.
コイル４は巻線溝３１内にうず巻状に巻回され
ている。このコイル４は、本実施例では例えば７
回巻回され、その線材には例えば0.32mmのポリウ
レタン線が用いられている。ここで、前述の如
く、巻線溝３１の幅はコイル４の線径0.32mmより
やや広い0.35mmに設定してあるため、巻線溝３１
内ではコイル４が１列にうず巻状に巻回される。
そしてその巻始めおよび巻終りが割り溝３２より
外部へ導出される。 The coil 4 is wound in a spiral shape within the winding groove 31. This coil 4 is, for example, 7 in this embodiment.
The wire is wound, and the wire is made of, for example, 0.32 mm polyurethane wire. Here, as mentioned above, the width of the winding groove 31 is set to 0.35 mm, which is slightly wider than the wire diameter of the coil 4, 0.32 mm.
Inside, the coil 4 is spirally wound in one row.
Then, the winding start and winding end are led out from the dividing groove 32.
このような構造の高周波線輪の巻線作業は次の
ように行われる。先ず、コア３の巻線溝３１に割
り溝３２より線材が導入される。次いでコア３が
７回転させられて巻終りが割り溝３２より導出さ
れる。これで巻線作業は完了し、極めて簡単もの
となる。 Winding of a high-frequency coil having such a structure is performed as follows. First, a wire is introduced into the winding groove 31 of the core 3 through the split groove 32 . Next, the core 3 is rotated seven times, and the end of the winding is led out from the split groove 32. The winding work is now complete and extremely simple.
磁気橋絡部５は、巻線溝３１の両側を磁気的に
短絡するもので、例えば接着剤のような時間の経
過とともに硬化してゆく媒質にフエライト等の磁
性体の粉末を多量に混入した塗布材を、巻線溝３
１のコイル４の上より塗布して固化させたもので
ある。この磁気橋絡部５によつてコア３は閉磁路
化される。 The magnetic bridging portion 5 is for magnetically short-circuiting both sides of the winding groove 31, and is made by mixing a large amount of magnetic material powder such as ferrite into a medium that hardens over time, such as an adhesive. Apply the coating material to the winding groove 3.
It is applied onto the coil 4 of No. 1 and solidified. This magnetic bridging portion 5 makes the core 3 a closed magnetic path.
以上、実施例に基いて詳細に説明したが、本考
案はこれにのみ限定されるものでないことはいう
までもない。例えば、コアはその材質、寸法等が
用途等に合せて適宜選択可能なものであり、また
巻線溝を２条刻設したものであつても良い。この
ような２条の巻線溝を有するコアは、分配器、バ
ルントランスの如き対をなす高周波線輪を含むも
のに用いて有効である。 Although the present invention has been described in detail based on the embodiments above, it goes without saying that the present invention is not limited thereto. For example, the material, dimensions, etc. of the core can be selected as appropriate depending on the intended use, and the core may have two winding grooves. A core having such two winding grooves is effective for use in devices including a pair of high-frequency coils, such as a distributor or a balun transformer.
また、コイルも、途中より中間タツプを引出し
たもの、２つのコイルを１つの巻線溝内にバイフ
アイラに巻回したもの等、その巻線方法を用途に
合せて適宜選択可能なものであり、その線種、線
径、巻数等にも種々のバリエーシヨンを含むもの
である。 In addition, the winding method of the coil can be selected as appropriate depending on the application, such as a coil with an intermediate tap pulled out from the middle, or a coil with two coils wound around a bifilar in one winding groove. There are various variations in the wire type, wire diameter, number of turns, etc.
さらに、磁気橋絡部も、硬化性媒質および磁性
粉末も、接着剤、フエライト粉末のみに限らず、
種々なものを適宜選択可能である。例えば、硬化
性媒質を、高周波線輪に防湿処理を施す際の防湿
塗料で代用して、磁性粉末を混入した防湿塗料で
防湿処理を行なえば、コアの閉磁路化と防湿処理
とが一挙に解決できる。 Furthermore, the magnetic bridge, curable medium, and magnetic powder are not limited to adhesives and ferrite powder.
Various types can be selected as appropriate. For example, if you replace the curable medium with the moisture-proof paint used to apply moisture-proof treatment to high-frequency coils and perform the moisture-proof treatment with a moisture-proof paint mixed with magnetic powder, you can create a closed magnetic circuit for the core and do the moisture-proof treatment all at once. Solvable.
（考案の効果）
本考案は以上の如く構成され、コイルが円柱形
状のコアの外周面に刻設された巻線溝内に１列に
うず巻状に巻回されるものであるため、巻線作業
は極めて容易なものとなり、自動機を用いての巻
線も可能となる。また、その巻線溝の幅はコイル
の線径よりやや広い程度のものであり、この巻線
溝は磁気橋絡部によつて磁気的に短絡されている
ため、閉磁路化され、従来のものに比べても全く
損色のない特性を得ることができる。さらに、巻
線溝の幅よりやや細い線材でコイルが巻かれてい
るため、極めて均一な巻線となり、高周波線輪と
しての諸特性はバラツキの極めて少ないものとな
る。従つて、品質管理上の効果も絶大なものとな
る。(Effects of the invention) The present invention is constructed as described above, and since the coil is wound in a spiral shape in a single row in the winding groove carved on the outer peripheral surface of the cylindrical core, the winding Wire work becomes extremely easy, and it becomes possible to wind the wire using an automatic machine. In addition, the width of the winding groove is slightly wider than the wire diameter of the coil, and since this winding groove is magnetically short-circuited by a magnetic bridge, it becomes a closed magnetic circuit, unlike the conventional It is possible to obtain properties with no color loss compared to other products. Furthermore, since the coil is wound with a wire slightly thinner than the width of the winding groove, the winding is extremely uniform, and the various characteristics of the high-frequency coil have extremely little variation. Therefore, the effect on quality control is also great.
第１図は従来の高周波線輪の一例を示す斜視
図、第２図は本考案の一実施例の正面図、第３図
はその−線断面図、第４図はこれに用いられ
るコアの外観を示す斜視図である。
１，３……コア、２，４……コイル、３１……
巻線溝、３２……割り溝、５……磁気橋絡部。
FIG. 1 is a perspective view showing an example of a conventional high-frequency wire ring, FIG. 2 is a front view of an embodiment of the present invention, FIG. FIG. 3 is a perspective view showing the appearance. 1, 3... Core, 2, 4... Coil, 31...
Winding groove, 32... Division groove, 5... Magnetic bridge portion.
Claims (1)
や広い幅で所定の深さに刻設された巻線溝、およ
びこの巻線溝より端面へ、コイルの線径よりやや
広い幅で連通する割り溝を有するコアと、前記巻
線溝内に１列にうず巻状に巻回され、巻始めが前
記割り溝より引出されているコイルと、前記巻線
溝にコイルの上より塗布されて固化した、硬化性
媒質に磁性粉末を混入した塗布剤で形成される磁
気橋絡部とを備えて成る高周波線輪。 It has a cylindrical shape, and has a winding groove carved at a predetermined depth on the outer peripheral surface with a width slightly wider than the wire diameter of the coil, and this winding groove communicates with the end surface with a width slightly wider than the wire diameter of the coil. A core having a split groove, a coil wound in a spiral shape in a row in the winding groove and having a winding start drawn out from the split groove, and a coil coated in the winding groove from above the coil. A high-frequency wire ring comprising a magnetic bridging portion formed of a solidified coating agent containing magnetic powder mixed in a curable medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5149184U JPS60163712U (en) | 1984-04-10 | 1984-04-10 | high frequency wire ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5149184U JPS60163712U (en) | 1984-04-10 | 1984-04-10 | high frequency wire ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60163712U JPS60163712U (en) | 1985-10-30 |
| JPH0214176Y2 true JPH0214176Y2 (en) | 1990-04-18 |
Family
ID=30570588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5149184U Granted JPS60163712U (en) | 1984-04-10 | 1984-04-10 | high frequency wire ring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60163712U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008066539A (en) * | 2006-09-07 | 2008-03-21 | Tamura Seisakusho Co Ltd | Bobbin for transformer and transformer |
-
1984
- 1984-04-10 JP JP5149184U patent/JPS60163712U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60163712U (en) | 1985-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4975672A (en) | High power/high frequency inductor | |
| EP0178851A3 (en) | Improved toroidal transformer and machines and methods for making toroidal transformers | |
| JPH0214176Y2 (en) | ||
| DE3719306A1 (en) | Magnet for NMR tomographs and process for the production thereof | |
| JPS57118616A (en) | Compound transformer | |
| JPS6437816A (en) | Common mode choke coil | |
| JPS55133509A (en) | Electromagnet device | |
| JPS55167065A (en) | Painting method | |
| JPS5587326A (en) | Manufacture of magnetic head | |
| JPS5919394Y2 (en) | Transformer using annular magnetic core | |
| JPS57120314A (en) | Manufacture of doughnut type coil | |
| JPH0214175Y2 (en) | ||
| DE2914123A1 (en) | Ring core transformer with ribbon core for low frequency duty - uses core material wound round finished coil winding | |
| JPS54124222A (en) | Three-leg winding iron core manufacturing method | |
| DE19631375C2 (en) | Process for producing a current-compensated choke | |
| JPS57167114A (en) | Magnetic head | |
| JPH0149001B2 (en) | ||
| JPS56105612A (en) | Differential transformer | |
| JPS5713715A (en) | Coil element | |
| DE589276C (en) | Process for producing the excitation winding of electrodynamic loudspeakers | |
| JPS55107212A (en) | Winding parts | |
| JPS5658214A (en) | Transformer winding | |
| SU662984A1 (en) | Magnetic core manufacturing method | |
| JPS55145323A (en) | Manufacturing method of winding core | |
| JPS53135424A (en) | Divided current transformer |