JP2602038B2 - Small coil - Google Patents
Small coilInfo
- Publication number
- JP2602038B2 JP2602038B2 JP62276645A JP27664587A JP2602038B2 JP 2602038 B2 JP2602038 B2 JP 2602038B2 JP 62276645 A JP62276645 A JP 62276645A JP 27664587 A JP27664587 A JP 27664587A JP 2602038 B2 JP2602038 B2 JP 2602038B2
- Authority
- JP
- Japan
- Prior art keywords
- toroidal coil
- small
- opening groove
- pin
- terminal
- 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 - Fee Related
Links
- 238000004804 winding Methods 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 8
- 239000012777 electrically insulating material Substances 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- -1 polybutylene terephthalate Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、トロイダルコイルを、電気絶縁材よりなる
絶縁保護ケースに収納した小形コイルに関する。Description: TECHNICAL FIELD The present invention relates to a small coil in which a toroidal coil is housed in an insulating protective case made of an electrical insulating material.
［従来の技術］ 従来のこの種の小形コイルについて、電子機器などに
於て信号線用データラインフィルタとして数多く用いら
れているトロイダルコイルの場合を例に説明する。この
種のトロイダルコイルは、第２図に示す様に、通常、直
径が３ないし10mm、厚さが１ないし5mmのフェライトか
らなる磁性コア11に、太さが0.1ないし0.3mm程度の被覆
付き電気軟銅線の巻線材12を複数回巻付けた構造であ
る。巻線材12の端末を予備半田付け処理し、延ばした
後、このトロイダルコイル１を、直接、回路基板に取り
付け、接着剤等で固着していた。[Prior Art] A conventional small coil of this type will be described by taking as an example a case of a toroidal coil which is widely used as a data line filter for signal lines in electronic equipment and the like. As shown in FIG. 2, this type of toroidal coil usually has a magnetic core 11 made of ferrite having a diameter of 3 to 10 mm and a thickness of 1 to 5 mm, and a coated electric core having a thickness of about 0.1 to 0.3 mm. This is a structure in which a winding material 12 of a soft copper wire is wound a plurality of times. After the terminal of the winding material 12 was pre-soldered and extended, the toroidal coil 1 was directly attached to a circuit board and fixed with an adhesive or the like.
［発明が解決しようとする問題点］ しかし、回路基板に取り付ける際、延ばした巻線材の
末端が変形し易く、所定の方向・位置に寸法精度を保持
することが非常に困難であり、磁性コアも外部からの圧
力に弱く、割れ易い等、取り扱いが難しかった。[Problems to be Solved by the Invention] However, when attached to a circuit board, the ends of the elongated winding material are easily deformed, and it is very difficult to maintain dimensional accuracy in a predetermined direction and position. Also, it was difficult to handle because it was weak to external pressure and easily broken.
そのため、トロイダルコイルを、第４図、第５図に示
す様なピン端子付きケースに収納し、その巻線端末を、
所定の位置に植設したピン端子にからげ、接続してい
た。Therefore, the toroidal coil is housed in a case with pin terminals as shown in FIGS.
They were connected to pin terminals planted at predetermined positions.
しかし、第４図のようなケースでは、回路基板へ取り
付ける際、からげた巻線の位置により、実装高さが一定
しないという欠点があった。また、第５図のようなケー
スでは、構造上、資材費用、及び加工費用の増加が大き
くなり易い等の欠点を有していた。However, in the case as shown in FIG. 4, there is a drawback that the mounting height is not constant due to the position of the wrapped winding when attaching to the circuit board. Further, in the case as shown in FIG. 5, there is a drawback in that the material cost and the processing cost are liable to increase greatly due to the structure.
本発明は、上記の欠点を除去し、信頼性が高く、安価
な小形コイルを提供することにある。An object of the present invention is to eliminate the above-mentioned disadvantages and to provide a highly reliable and inexpensive small coil.
［課題を解決するための手段］ 本発明は、電気絶縁材よりなりトロイダルコイルを収
納する該トロイダルコイルの直径より大きな高さと巾を
有する開口溝と、該開口溝に対向する内面にテーパ状部
を有する位置決め用片を設けた絶縁保護ケースと、 前記開口溝の底面の両側に設けたトロイダルコイルの
移動を止めるのに充分な高さの小突片と、 絶縁保護ケースの底面に植設した少なくとも２対のピ
ン端子と、該ピン端子への巻線からげを保護するために
ピン端子側に突出した、前記小突片下部に位置する突部
と、 前記開口溝の底面より絶縁保護ケースと小突片の間に
前記ピン端子に向かって垂設したガイド溝とを、 外形を方形に一体成形し、 前記開口溝にトロイダルコイルを挿入し絶縁保護ケー
スの位置決め用片に係止し収納して、巻線端末をガイド
溝に沿いそれぞれ引き回してピン端子にからげ半田接続
してなることを特徴とする小型コイルである。Means for Solving the Problems The present invention provides an opening groove having a height and a width larger than the diameter of the toroidal coil which is made of an electrically insulating material and accommodates the toroidal coil, and a tapered portion on an inner surface facing the opening groove. An insulating protective case provided with positioning pieces having: a small protruding piece high enough to stop the movement of the toroidal coils provided on both sides of the bottom surface of the opening groove; At least two pairs of pin terminals, a protrusion located at the lower part of the small protruding piece, which protrudes toward the pin terminal to protect the winding from being wound on the pin terminal; And a guide groove vertically extending toward the pin terminal between the small protruding piece and a rectangular shape, and a toroidal coil is inserted into the opening groove, and is engaged with the positioning piece of the insulating protection case and stored. And winding A small coil characterized by being tied soldered to pin terminals leading respectively along the end in the guide groove.
［実施例］ 第１図は、本発明の一実施例を示す小形コイルに用い
られるピン端子付き絶縁保護ケースの外観斜視図であ
る。Embodiment FIG. 1 is an external perspective view of an insulating protective case with pin terminals used for a small coil showing one embodiment of the present invention.
第３図は、第１図の絶縁保護ケースにトロイダルコイ
ルを実装した、本発明の小形コイルを示す斜視図であ
る。FIG. 3 is a perspective view showing a small coil of the present invention in which a toroidal coil is mounted on the insulating protection case of FIG.
第１図に於て、絶縁保護ケース41は、ポリブチレンテ
レフタレート、フェノール、エポキシ樹脂等の電気絶縁
材料よりなり、方形で外形寸法が7.0×6.0×8.3（高
さ）mmである。その底面には、0.5ないし0.7mmφの硬銅
線、或いは銅メッキ鋼線に半田メッキ処理を施したピン
端子を、2.54×5.08mm、或いは、2.5×5.0mmの回路基板
の基本格子ピッチに合った寸法ピッチで、４本植設され
ている。In FIG. 1, an insulating protective case 41 is made of an electrically insulating material such as polybutylene terephthalate, phenol, epoxy resin, etc., and has a square outer shape of 7.0 × 6.0 × 8.3 (height) mm. On the bottom surface, 0.5 to 0.7 mm diameter hard copper wire or copper plated steel wire solder plated pin terminals match the basic grid pitch of the circuit board of 2.54 × 5.08 mm or 2.5 × 5.0 mm Four plants are planted at a pitch of a given size.
前記絶縁保護ケース41の上面には、トロイダルコイル
を収納するのに充分な深さ寸法、幅寸法を有する開口溝
42が形成されており、該開口溝42を形成する対向する２
辺には、収納したコイルの移動を阻止する為の小突辺44
が設けられている。又、前記絶縁保護ケース41には、そ
の中央部に少なくとも一対のテーパ状部を有した位置決
め用片47が設けられている。An opening groove having a depth dimension and a width dimension sufficient to accommodate the toroidal coil is provided on the upper surface of the insulating protection case 41.
42 are formed.
On the side, a small protruding edge 44 to prevent the stored coil from moving
Is provided. The insulating protective case 41 is provided with a positioning piece 47 having at least a pair of tapered portions at the center.
絶縁保護ケース41の底面には、前述したようにピン端
子48が所定のピッチで植設されている。又、絶縁保護ケ
ース41には、小突片44の両側に、開口溝42の底面よりピ
ン端子48に向かって垂設したガイド溝45が設けられてい
る。さらに、絶縁保護ケース41には小突片44の下方の位
置に、ピン端子への巻線からげを保護するための、ピン
端子側へ突出した突部46が一体に設けられている。As described above, the pin terminals 48 are implanted at a predetermined pitch on the bottom surface of the insulating protection case 41. In addition, in the insulating protection case 41, guide grooves 45 are provided on both sides of the small protruding piece 44 so as to extend from the bottom surface of the opening groove 42 toward the pin terminal 48. Further, a protrusion 46 protruding toward the pin terminal is provided integrally with the insulating protection case 41 at a position below the small protruding piece 44 to protect the winding of the pin terminal.
この様なピン端子付き絶縁保護ケース41に、第２図に
示す様なトロイダルコイル１を立て垂直方向に収納し、
巻線材12の導出方向そのままに、それぞれ巻線端末をガ
イド溝45に沿って引き回、ピン端子48にからげ、半田付
けし接続することにより、第３図に示す様な小形コイル
が得られる。A toroidal coil 1 as shown in FIG.
The small-sized coil as shown in FIG. 3 is obtained by drawing the winding ends along the guide grooves 45, wrapping them around the pin terminals 48, and soldering and connecting them in the same direction as the winding material 12 is drawn out. .
なお、トロイダルコイル１の厚さ寸法と対向する位置
決め用片47の隙間寸法との差、及びトロイダルコイル１
の直径寸法と小突片44の隙間寸法との差が僅かなものと
なる様、寸法を選ぶことにより、トロイダルコイル１の
移動がなく、接着剤等によらずに固定することが可能な
トランス、或いは、コモンモードチョークコイルを構成
出来る。The difference between the thickness dimension of the toroidal coil 1 and the gap dimension of the opposing positioning piece 47,
By selecting the dimensions so that the difference between the diameter dimension of the small projection and the gap dimension of the small protruding piece 44 becomes small, the transformer can be fixed without moving the toroidal coil 1 without using an adhesive or the like. Alternatively, a common mode choke coil can be formed.
［発明の効果］ 以上説明した如く本発明によれば、トロイダルコイル
を、接着剤等を用いずに絶縁保護ケースに固定すること
が出来る上、巻線材の端末を巻線材の導出方向のまま、
特別な端末の成形引き回し等を要せず、容易に引き回し
て、ピン端子へ接続することが出来る。[Effects of the Invention] As described above, according to the present invention, the toroidal coil can be fixed to the insulating protection case without using an adhesive or the like, and the terminal of the winding material is kept in the direction in which the winding material is led out.
The terminal can be easily routed and connected to the pin terminal without requiring special terminal forming and routing.
又、本発明による小形コイルを基板に装着する時は、
直接トロイダルコイルに手を触れずに取扱うことが出
来、構造が堅牢な方形のケースであることから、外部か
らの圧力に対しトロイダルコイルを保護出来、基板への
装着の自動化が容易である。Also, when mounting a small coil according to the present invention on a substrate,
Since the toroidal coil can be handled directly without touching the hand and has a robust rectangular structure, the toroidal coil can be protected against external pressure, and the mounting on the substrate can be easily automated.
又、巻線からげが、ピン端子側へ突出した突部によ
り、直接回路基板に接しないため、巻線からげを保護で
きることに加え、実装高さも一定にできる。In addition, since the winding bar does not directly contact the circuit board due to the protrusion protruding toward the pin terminal, the winding bar can be protected and the mounting height can be kept constant.
又、ケースの構造が単純なので、資材費用等を低減で
きる。Further, since the structure of the case is simple, material costs and the like can be reduced.
従って、本発明によれば、組立、取り扱いが容易で、
その作業工数が大幅に軽減でき、安価で品質の安定した
量産性の優れた小形コイルの提供が可能となった。Therefore, according to the present invention, assembly and handling are easy,
The work man-hours can be greatly reduced, and it is possible to provide small coils that are inexpensive, stable in quality, and excellent in mass productivity.
第１図は、本発明による小形コイルに用いられるピン端
子付き絶縁保護ケースの外観斜視図。 第２図は、従来より用いられているトロイダルコイルの
外観斜視図。 第３図は、本発明による小形コイルの外観斜視図。 第４図は、従来のピン端子付き小形コイルの一例を示す
外観斜視図。 第５図は、従来の他の例のピン端子付き小形コイルに用
いられるピン端子付き絶縁保護ケースの外観斜視図。 １……トロイダルコイル。11……磁性コア。 12……巻線材。21……ケース。 22……蓋。41……絶縁保護ケース。 42……開口溝。44……小突片。 45……ガイド溝。46……突部。 47……位置決め用片。48……ピン端子。FIG. 1 is an external perspective view of an insulating protective case with pin terminals used for a small coil according to the present invention. FIG. 2 is an external perspective view of a conventionally used toroidal coil. FIG. 3 is an external perspective view of a small coil according to the present invention. FIG. 4 is an external perspective view showing an example of a conventional small coil with pin terminals. FIG. 5 is an external perspective view of an insulating protection case with pin terminals used in another conventional small coil with pin terminals. 1 ... Toroidal coil. 11 ... Magnetic core. 12 ... winding material. 21 …… a case. 22 ... Lid. 41 …… Insulation protection case. 42 ... Open groove. 44 …… a small piece. 45 …… Guide groove. 46 ... Projection. 47 ... Positioning piece. 48 Pin terminals.
Claims (1)
納する該トロイダルコイルの直径より大きな高さと巾を
有する開口溝と、該開口溝の対向する内面にテーパ状部
を有する位置決め用片を設けた絶縁保護ケースと、 前記開口溝の底面の両側に設けたトロイダルコイルの移
動を止めるのに充分な高さの小突片と、 絶縁保護ケースの底面に植設した少なくとも２対のピン
端子と、該ピン端子への巻線からげを保護するためピン
端子側に突出した、前記小突片下部に位置する突部と、 前記開口溝の底面より絶縁保護ケースと小突片の間に前
記ピン端子に向かって垂設したガイド溝とを、 外形を方形に一体成形し、 前記開口溝にトロイダルコイルを挿入し絶縁保護ケース
の位置決め用片に係止し収納して、巻線端末をガイド溝
に沿いそれぞれ引き回してピン端子にからげ半田接続し
てなることを特徴とする小型コイル。An opening groove having a height and a width larger than the diameter of the toroidal coil, which is made of an electrically insulating material and accommodates the toroidal coil, and a positioning piece having a tapered portion on an inner surface facing the opening groove is provided. An insulating protective case, a small protruding piece having a height sufficient to stop the movement of the toroidal coil provided on both sides of the bottom surface of the opening groove, and at least two pairs of pin terminals implanted on the bottom surface of the insulating protective case; A protrusion protruding toward the pin terminal for protecting the winding from being wound on the pin terminal and located at the lower part of the small protruding piece; and the pin between the insulating protection case and the small protruding piece from the bottom surface of the opening groove. A guide groove vertically extending toward the terminal is integrally formed in a rectangular shape, a toroidal coil is inserted into the opening groove, and is locked and stored in a positioning piece of an insulating protection case, and a winding terminal is formed in the guide groove. Along each Small coils, characterized in that formed by solder connection tied to the pin terminal by turning come.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62276645A JP2602038B2 (en) | 1987-10-30 | 1987-10-30 | Small coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62276645A JP2602038B2 (en) | 1987-10-30 | 1987-10-30 | Small coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01119007A JPH01119007A (en) | 1989-05-11 |
| JP2602038B2 true JP2602038B2 (en) | 1997-04-23 |
Family
ID=17572334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62276645A Expired - Fee Related JP2602038B2 (en) | 1987-10-30 | 1987-10-30 | Small coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2602038B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002026009A1 (en) * | 2000-09-21 | 2002-03-28 | Datatronic Distribution Incorporated | Sleeved case design for adjustably increasing creepage distance |
| DE102005027943A1 (en) * | 2005-06-16 | 2006-12-28 | Epcos Ag | Carrier device for a toroidal core choke, holder for an inductive component and inductive component |
| JP5404565B2 (en) * | 2010-09-15 | 2014-02-05 | 株式会社日立製作所 | Input conversion unit of digital protection control device and method of manufacturing the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5678217U (en) * | 1979-11-08 | 1981-06-25 | ||
| JPS62152411U (en) * | 1986-03-20 | 1987-09-28 |
-
1987
- 1987-10-30 JP JP62276645A patent/JP2602038B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01119007A (en) | 1989-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |