JPH11329868A - Surface mount choke coil - Google Patents
Surface mount choke coilInfo
- Publication number
- JPH11329868A JPH11329868A JP15221198A JP15221198A JPH11329868A JP H11329868 A JPH11329868 A JP H11329868A JP 15221198 A JP15221198 A JP 15221198A JP 15221198 A JP15221198 A JP 15221198A JP H11329868 A JPH11329868 A JP H11329868A
- Authority
- JP
- Japan
- Prior art keywords
- choke coil
- drum
- flange
- surface mount
- core
- 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
Landscapes
- Coils Of Transformers For General Uses (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、面実装型チョーク
コイルに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surface mount type choke coil.
【０００２】[0002]
【従来の技術】図４に、従来の面実装型チョークコイル
の外観斜視図を示す。図４に示すように、従来の面実装
型チョークコイルは、ドラム型コア１の両端のフランジ
部１ａの間にある巻胴部１ｂに所定の巻数を施し、コイ
ル２を形成し、そのリード線２ａを一方のフランジ部１
ａの外周を経由してリードピン（金属製端子）５にから
げてなるものである。2. Description of the Related Art FIG. 4 is an external perspective view of a conventional surface mount type choke coil. As shown in FIG. 4, in the conventional surface mount type choke coil, a predetermined number of turns is applied to a winding drum portion 1b between flange portions 1a at both ends of a drum core 1, a coil 2 is formed, and a lead wire thereof is formed. 2a to one flange 1
It is wrapped around the lead pin (metal terminal) 5 via the outer periphery of a.
【０００３】ドラム型コアは、図５に示すように、リー
ドピンを設置するための挿入孔９を有する円柱状のフェ
ライト成形体１２を、旋盤等により連続的に、破線部の
通りに切削して、円柱状の巻胴部とその両端にフランジ
部を形成し、これを焼成して得られる。As shown in FIG. 5, a drum-shaped core is formed by continuously cutting a cylindrical ferrite molded body 12 having an insertion hole 9 for installing a lead pin by a lathe or the like as shown by a broken line. It is obtained by forming a cylindrical winding drum portion and flange portions at both ends thereof and firing it.
【０００４】[0004]
【発明が解決しようとする課題】しかし、従来技術で
は、円柱状の成形体の切削によりフランジ部及び巻胴部
を残す方法のため、原料粉末の歩留まりが低下すること
により、また、切削する工程を必要とするため、工程が
増えることにより、高コスト化するという問題があっ
た。また、加工によりコアの強度が低下する等の問題が
あった。However, in the prior art, since the flange portion and the winding drum portion are left by cutting a cylindrical shaped body, the yield of the raw material powder is reduced, and the cutting process is also reduced. Therefore, there is a problem that the cost is increased by increasing the number of steps. Further, there is a problem that the strength of the core is reduced by the processing.
【０００５】したがって、本発明は、上述の問題を解決
し、簡単な工程で製造でき、強度が低下しない、安価
で、信頼性の高い面実装型チョークコイルを提供するこ
とを目的とする。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide an inexpensive and highly reliable surface-mount type choke coil which solves the above-mentioned problems, can be manufactured by a simple process, does not decrease in strength, and has low strength.
【０００６】[0006]
【問題を解決するための手段】本発明は、ドラム型コア
の両端のフランジ部にリードピンを設置するための複数
の挿入孔を設け、前記フランジ部間の巻胴部に巻線を巻
回し、前記リードピンに該巻線のリード線をからげてな
る面実装型チョークコイルにおいて、前記ドラム型コア
は、軸芯に対称で、かつ、前記複数の挿入孔を結ぶ線で
二分割した構造のコアからなり、前記フランジ部に前記
リード線の案内溝を配した面実装型チョークコイルであ
る。According to the present invention, a plurality of insertion holes for installing lead pins are provided in flange portions at both ends of a drum core, and a winding is wound around a winding drum portion between the flange portions. In a surface-mount type choke coil in which the lead wire of the winding is wrapped around the lead pin, the drum-type core has a structure symmetrical about an axis and divided into two parts by a line connecting the plurality of insertion holes. And a guide groove for the lead wire arranged in the flange portion.
【０００７】即ち、本発明の面実装型チョークコイル
は、両端のフランジ部及び巻胴部を均等に二分割し、巻
線前に接合して得られるドラム型コアを用いることを特
徴とする。That is, the surface mount type choke coil of the present invention is characterized in that the flange portion and the winding drum portion at both ends are equally divided into two, and a drum core obtained by joining before winding is used.
【０００８】本発明の面実装型チョークコイルに用いら
れるドラム型コアは、切削加工の工程が不要であるた
め、成形体をそのまま焼成できる。また、完全対称な二
分割型コアを接合してドラム型コアを形成する構造であ
るので、金型も１種類でよい。また、対称なコア形状の
ため、接合時の組み合わせの誤りがない。The drum-shaped core used in the surface-mount type choke coil of the present invention does not require a cutting step, and therefore, the molded body can be fired as it is. Further, since the structure is such that a completely symmetrical two-piece core is joined to form a drum core, only one type of mold is required. Also, since the core has a symmetrical shape, there is no error in the combination at the time of joining.
【０００９】[0009]
【発明の実施の形態】以下、本発明の実施の形態を説明
する。Embodiments of the present invention will be described below.
【００１０】図１は、本発明の面実装型チョークコイル
の外観斜視図である。図２は、本発明の面実装チョーク
コイルに用いられるドラム型コアの外観斜視図である。
図３は、本発明の面実装チョークコイルに用いられるド
ラム型コアの成形体の外観斜視図である。FIG. 1 is an external perspective view of a surface mount type choke coil according to the present invention. FIG. 2 is an external perspective view of a drum core used in the surface-mount choke coil of the present invention.
FIG. 3 is an external perspective view of a drum-shaped core formed body used in the surface-mount choke coil of the present invention.
【００１１】本発明の面実装チョークコイルに用いられ
るドラム型コアは、図３の分割型コア１０の２個を組み
合わせてなる。図３に示すように、この分割型コア１０
は、完全な対称形をしており、上下パンチを有する金型
により一体成形される。The drum core used in the surface mount choke coil of the present invention is a combination of two split cores 10 shown in FIG. As shown in FIG.
Is completely symmetrical and is integrally formed by a mold having upper and lower punches.
【００１２】図２に示すように、ドラム型コア７は、フ
ランジ部の外周には、リード線（銅線）の案内溝８が設
けられ、さらに内部には、リードピン設置のための挿入
孔９が２箇所設けられている。As shown in FIG. 2, the drum type core 7 is provided with a guide groove 8 for a lead wire (copper wire) on the outer periphery of the flange portion, and further has an insertion hole 9 for installing a lead pin therein. Are provided at two places.
【００１３】このドラム型コア７では、フランジ部に、
リード線の案内溝８が設けられているため、ハンドリン
グ時の断線を防止でき、また、外観も向上する。In the drum type core 7, the flange portion has
Since the guide groove 8 for the lead wire is provided, disconnection during handling can be prevented, and the appearance is improved.
【００１４】本発明の面実装型チョークコイルは、図１
に示すように、基板実装側となるフランジ部に、樹脂製
端子板４及びリードピン５を接着剤により固定し、巻胴
部に巻線した後、リード線を案内溝８に通し、リードピ
ン５にからげて得られる。なお、コイルの巻線は、フラ
ンジ部固定用のガイドを有する巻線機にて行うため、接
合は保たれる。The surface mount type choke coil of the present invention is shown in FIG.
As shown in (1), a resin terminal plate 4 and a lead pin 5 are fixed to a flange portion on the substrate mounting side with an adhesive, and after winding around a winding drum portion, a lead wire is passed through a guide groove 8, and Obtained by kinking. Since the coil is wound by a winding machine having a guide for fixing the flange portion, the joining is maintained.
【００１５】なお、本発明の面実装型チョークコイルと
従来の面実装型チョークコイルの諸特性を測定し、比較
したところ、本発明品は、従来品とほぼ同等であった。The characteristics of the surface-mounted choke coil of the present invention and those of the conventional surface-mounted choke coil were measured and compared. As a result, the product of the present invention was almost equivalent to the conventional product.
【００１６】[0016]
【発明の効果】以上、本発明によれば、簡単な工程で製
造でき、強度が低下しない、安価で、信頼性の高い面実
装型チョークコイルを提供することが可能となった。し
たがって、本発明は、その産業的価値は非常に大きいも
のである。As described above, according to the present invention, it is possible to provide an inexpensive and highly reliable surface-mount type choke coil which can be manufactured by a simple process, does not decrease in strength, and has high reliability. Therefore, the present invention has a great industrial value.
【図１】本発明の面実装型チョークコイルの外観斜視
図。FIG. 1 is an external perspective view of a surface mount type choke coil of the present invention.
【図２】本発明の面実装チョークコイルに用いられるド
ラム型コアの外観斜視図。FIG. 2 is an external perspective view of a drum core used in the surface-mount choke coil of the present invention.
【図３】本発明の面実装チョークコイルに用いられるド
ラム型コアの成形体の外観斜視図。FIG. 3 is an external perspective view of a molded product of a drum core used in the surface-mount choke coil of the present invention.
【図４】従来の面実装型チョークコイルの外観斜視図。FIG. 4 is an external perspective view of a conventional surface mount type choke coil.
【図５】従来の面実装型チョークコイルに用いられるド
ラム型コアの製造方法を説明するための成形体の外観斜
視図。FIG. 5 is an external perspective view of a molded body for describing a method of manufacturing a drum core used in a conventional surface-mount type choke coil.
１ （従来の）ドラム型コア １ａ フランジ部 １ｂ 巻胴部 ２ コイル ２ａ リード線 ３ 接着剤 ４ 樹脂製端子板 ５ リードピン（金属製端子） ６ 切削加工位置 ７ （本発明の）ドラム型コア ８ 案内溝 ９ 挿入孔 １０ （本発明の）分割型コア １１ａ，１１ｂ プレス方向 １２ フェライト成形体 DESCRIPTION OF SYMBOLS 1 (Conventional) drum type core 1a Flange part 1b Winding drum part 2 Coil 2a Lead wire 3 Adhesive 4 Resin terminal plate 5 Lead pin (metal terminal) 6 Cutting position 7 Drum type core (of the present invention) 8 Guide Groove 9 Insert hole 10 Split core (of the present invention) 11a, 11b Press direction 12 Ferrite molded body
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｈ０１Ｆ 15/10 Ｆ ──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 6 Identification code FI H01F 15/10 F
Claims (1)
ドピンを設置するための複数の挿入孔を設け、前記フラ
ンジ部間の巻胴部に巻線を巻回し、前記リードピンに該
巻線のリード線をからげてなる面実装型チョークコイル
において、前記ドラム型コアは、軸芯に対称で、かつ、
前記複数の挿入孔を結ぶ線で二分割した構造のコアから
なり、前記フランジ部に前記リード線の案内溝を配した
ことを特徴とする面実装型チョークコイル。A plurality of insertion holes for installing lead pins are provided at flange portions at both ends of a drum-type core, a winding is wound around a winding drum portion between the flange portions, and a lead of the winding is wound around the lead pin. In a surface-mounted choke coil formed by twisting a wire, the drum-shaped core is symmetric with respect to an axis, and
A surface-mounted choke coil comprising a core having a structure divided into two by a line connecting the plurality of insertion holes, and a guide groove for the lead wire is provided in the flange portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15221198A JPH11329868A (en) | 1998-05-14 | 1998-05-14 | Surface mount choke coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15221198A JPH11329868A (en) | 1998-05-14 | 1998-05-14 | Surface mount choke coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11329868A true JPH11329868A (en) | 1999-11-30 |
Family
ID=15535508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15221198A Pending JPH11329868A (en) | 1998-05-14 | 1998-05-14 | Surface mount choke coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11329868A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006156559A (en) * | 2004-11-26 | 2006-06-15 | Kyocera Corp | Drum core and its manufacturing process, and surface mounting coil employing it |
| EP2387045A1 (en) * | 2010-04-23 | 2011-11-16 | Würth Elektronik Eisos Gmbh & CO. KG | Coil body |
| CN108305738A (en) * | 2017-01-12 | 2018-07-20 | 沃思电子埃索斯有限责任两合公司 | Sensor component and method for manufacturing sensor component |
-
1998
- 1998-05-14 JP JP15221198A patent/JPH11329868A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006156559A (en) * | 2004-11-26 | 2006-06-15 | Kyocera Corp | Drum core and its manufacturing process, and surface mounting coil employing it |
| JP4594050B2 (en) * | 2004-11-26 | 2010-12-08 | 京セラ株式会社 | Drum-type core, method of manufacturing the same, and surface mount coil using the same |
| EP2387045A1 (en) * | 2010-04-23 | 2011-11-16 | Würth Elektronik Eisos Gmbh & CO. KG | Coil body |
| CN108305738A (en) * | 2017-01-12 | 2018-07-20 | 沃思电子埃索斯有限责任两合公司 | Sensor component and method for manufacturing sensor component |
| DE102017200466B4 (en) | 2017-01-12 | 2018-08-09 | Würth Elektronik eiSos Gmbh & Co. KG | Inductive component and method for producing an inductive component |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH11329868A (en) | Surface mount choke coil | |
| JPH02130808A (en) | Transformer | |
| JP2018022793A (en) | Electronic component and electronic apparatus using the same | |
| JPH06251958A (en) | Molded transformer | |
| JPH0632654Y2 (en) | Coil parts | |
| JP2000150282A (en) | Core for chip coil and its manufacture | |
| JPH0442809B2 (en) | ||
| JP3432698B2 (en) | Coil bobbin | |
| JPS6123307A (en) | Pin terminal in parts of electric winding | |
| JPH03289105A (en) | Choke coil with terminal mount and manufacture thereof | |
| JP3082063B2 (en) | Manufacturing method of common mode choke coil | |
| JPH01187908A (en) | Inductor and manufacture thereof | |
| JPS6025869Y2 (en) | inductance element | |
| JP3204013B2 (en) | Manufacturing method of high frequency coil | |
| JPH04346403A (en) | Constitution of wire-wound chip inductor and manufacture thereof | |
| JPH06333767A (en) | Manufacture of common mode choke coil | |
| JP2926052B1 (en) | Coil bobbin | |
| JPH0369103A (en) | Chip-type coil and manufacture thereof | |
| JPH0548923B2 (en) | ||
| JPS61150313A (en) | Manufacture of radial lead type choke coil | |
| JPH02885Y2 (en) | ||
| JPH01315118A (en) | Manufacture of rotary transformer component | |
| JP2808335B2 (en) | Coil device and method of manufacturing the same | |
| JPH06101409B2 (en) | Transformer | |
| JP2005072022A (en) | Inductance component |