JP2005294770A - Choke coil and bobbin for choke coil - Google Patents

Choke coil and bobbin for choke coil Download PDF

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JP2005294770A
JP2005294770A JP2004111662A JP2004111662A JP2005294770A JP 2005294770 A JP2005294770 A JP 2005294770A JP 2004111662 A JP2004111662 A JP 2004111662A JP 2004111662 A JP2004111662 A JP 2004111662A JP 2005294770 A JP2005294770 A JP 2005294770A
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choke coil
terminal holding
winding
terminal
coil bobbin
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Hide Sato
秀 佐藤
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Tokin Corp
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NEC Tokin Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To obtain a choke coil and a bobbin for a choke coil capable of corresponding to a wire material for a winding with a larger wire diameter in which a composition of an electrode terminal in assembly is simple and the number of man-hours is reduced. <P>SOLUTION: The choke coil is composed of a magnetic material core, the winding 2, and the bobbin 9 for a choke coil. The bobbin 9 for a choke coil is composed of a tubular part and a flange 10 arranged on both sides of the tubular part. A part of the magnetic material core is stored in the tubular part of the bobbin 9 for a choke coil. A part of each flange is composed of a flat plate part 1 for holding the winding, a terminal holding base 8, and a terminal holding part. A slit 52 is provided on the lower side of the terminal holding part. A leading out wire from the winding is passed through the slit, detoured, and extracted in the same direction as a terminal for fixing. The tip part of the leading out wire is subjected to soldering treatment beforehand. The tip part of the leading out wire is used as an electrode terminal 3 of the choke coil in the choke coil. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、主として携帯端末、電源機器などに使用されるのに好適な、低背型の面実装型のチョークコイルおよびチョークコイル用ボビンに関する。   The present invention relates to a low-profile surface-mounted choke coil and a choke coil bobbin that are suitable for use mainly in portable terminals, power supply devices, and the like.

従来のインダクタあるいはトランスは、磁性材と巻線と、ボビンとで構成されており、前記ボビンには、端子が配置され、前記巻線の引き出し線が、前記端子に巻かれて、半田処理される構成が一般的である。   A conventional inductor or transformer is composed of a magnetic material, a winding, and a bobbin. A terminal is disposed on the bobbin, and a lead wire of the winding is wound around the terminal and soldered. The configuration is general.

特許文献１には、インダクダのボビンの端子取り付け部に、巻線の引き出し部を巻いて固定する方法が記載されている。   Patent Document 1 describes a method of winding and fixing a lead portion of a winding around a terminal mounting portion of a bobbin of an inductor.

図４は、従来のチョークコイルの説明図である。図４に示すチョークコイルは、磁性体コア７１とチョークコイル用ボビン９１と巻線２１とで構成されている。ここで、チョークコイル用ボビン９１は、筒部と筒部の両側に配置された鍔１００とで構成されている。巻線２１の巻部は、電極端子３１に巻き付けられ、はんだ付けされている。   FIG. 4 is an explanatory diagram of a conventional choke coil. The choke coil shown in FIG. 4 includes a magnetic core 71, a choke coil bobbin 91, and a winding 21. Here, the bobbin 91 for choke coils is comprised by the cylinder part and the collar 100 arrange | positioned at the both sides of a cylinder part. The winding portion of the winding 21 is wound around the electrode terminal 31 and soldered.

特開２００２−２９９１３１号公報JP 2002-299131 A

従来の面実装型インダクタは、以下の問題点があった。第１の問題点は、 巻線からの引き出しワイヤと、端子とを接続する時、引き出しワイヤが浮き上がるという問題点である。また、第２の問題点は、引き出しワイヤの位置が定まらないという問題点である。また、第３の問題点は、引き出しワイヤと端子との接続に用いる半田の量にばらつきが生じ、これによって、高さ寸法がばらつくという問題点がある。また、第４の問題点は、引き出しワイヤと端子との接続の作業がやりにくいという問題点である。   Conventional surface mount inductors have the following problems. The first problem is that when the lead wire from the winding is connected to the terminal, the lead wire is lifted. The second problem is that the position of the lead wire is not fixed. Further, the third problem is that the amount of solder used for connecting the lead wire and the terminal varies, which causes the height dimension to vary. The fourth problem is that it is difficult to connect the lead wire and the terminal.

従って、本発明の目的は、線径の太い巻線の線材にも対応でき、組み立てでの電極端子の構成が簡単で、かつ工数が低減されたチョークコイルおよびチョークコイル用ボビンを提供することである。   Therefore, an object of the present invention is to provide a choke coil and a choke coil bobbin that can cope with a wire rod having a large wire diameter, has a simple configuration of electrode terminals in assembly, and has reduced man-hours. is there.

本発明は、磁性材料コアと、巻線と、チョークコイル用ボビンとで構成されるチョークコイルであって、前記チョークコイル用ボビンは、筒部と、前記筒部の両側に配置された鍔部分とで構成され、前記磁性材料コアの一部が、前記チョークコイル用ボビンの筒部に収納され、前記各鍔部分は、巻線を保持する平板部と、端子保持台と、端子保持部とで構成され、端子保持部の下側に、スリットが設けられており、前記巻線からの引き出し電線が、前記スリットを通過して、迂回して、固定用端子と、同一方向に引き出され、かつ、前記引き出し電線の先端部は、あらかじめ、半田処理されており、前記引き出し電線の先端部が、チョークコイルの電極端子を兼ねるチョークコイルである。   The present invention relates to a choke coil including a magnetic material core, a winding, and a choke coil bobbin. The choke coil bobbin includes a cylindrical portion and flange portions disposed on both sides of the cylindrical portion. A part of the magnetic material core is housed in a cylindrical portion of the choke coil bobbin, and each flange portion includes a flat plate portion for holding a winding, a terminal holding base, and a terminal holding portion. A slit is provided on the lower side of the terminal holding portion, and the lead wire from the winding passes through the slit, bypasses, and is pulled out in the same direction as the fixing terminal, And the front-end | tip part of the said lead-out electric wire is solder-processed previously, and the front-end | tip part of the said lead-out electric wire is a choke coil which serves as the electrode terminal of a choke coil.

また、本発明は、磁性材料コアと、巻線と、チョークコイル用ボビンとで構成される チョークコイルであって、 前記チョークコイル用ボビンは、筒部と、前記筒部の両側に配置された鍔部分とで構成され、前記各鍔部分は、巻線を保持する平板部と、端子保持台と、固定用端子が埋め込まれた複数の端子保持部とで構成され、前記端子保持部は、溝部分で分離され、いずれか１個の端子保持部には、突出凸部が設けられ、前記端子保持台との間にスリットが設けられ、前記巻線からの引き出し電線が、前記溝部分を通過して、前記スリットを通過して、前記突出凸部を迂回して、固定用端子と、同一方向に引き出され、かつ、前記引き出し電線の先端部は、あらかじめ、半田処理されており、前記引き出し電線の先端部が、チョークコイルの電極端子をチョークコイルである。   The present invention is also a choke coil comprising a magnetic material core, a winding, and a choke coil bobbin, wherein the choke coil bobbin is disposed on both sides of the tube portion and the tube portion. Each of the flange portions is composed of a flat plate portion that holds the winding, a terminal holding base, and a plurality of terminal holding portions in which fixing terminals are embedded. Any one terminal holding part is provided with a projecting convex part, a slit is provided between the terminal holding base, and a lead wire from the winding is connected to the groove part. Passes through the slit, bypasses the protruding convex portion, is pulled out in the same direction as the fixing terminal, and the leading end of the lead-out wire is pre-soldered, Lead wire end is choke coil An electrode terminal which is a choke coil.

また、本発明は、磁性材料コアと、巻線と、チョークコイル用ボビン とで構成される チョークコイルであって、前記チョークコイル用ボビンは、筒部と、前記筒部の両側に配置された鍔部分とで構成され、前記チョークコイル用ボビンは、中空部分を有する筒部と、前記筒部の両側に配置された鍔部分とで構成され、前記各鍔部分は、巻線を保持する平板部と、端子保持台と、固定用端子が埋め込まれた複数の端子保持部とで構成され、前記端子保持部は、溝部分で分離され、いずれか１個の端子保持部には、湾曲部を有する突出凸部が設けられ、前記湾曲部を有する突出凸部と前記端子保持台との間にスリットが設けられ、前記巻線からの引き出し電線が、前記溝部分を通過して、前記周回する折り返し部分の下側のスリット部を通過して、湾曲した内側の側面部を通過して、前記固定用端子と、同一方向に引き出され、かつ、前記引き出し電線の先端部は、あらかじめ、半田処理されており、前記引き出し電線の先端部が、チョークコイルの電極端子を兼ねるチョークコイルである。   The present invention is also a choke coil comprising a magnetic material core, a winding, and a choke coil bobbin, wherein the choke coil bobbin is arranged on both sides of the tube portion and the tube portion. The choke coil bobbin includes a cylindrical portion having a hollow portion and flange portions disposed on both sides of the cylindrical portion, and each flange portion is a flat plate that holds a winding. Part, a terminal holding base, and a plurality of terminal holding parts in which fixing terminals are embedded. The terminal holding part is separated by a groove part, and any one of the terminal holding parts includes a curved part. A projecting convex portion having a curved portion, and a slit is provided between the projecting convex portion having the curved portion and the terminal holding base, and a lead wire from the winding passes through the groove portion and Pass through the lower slit of the folded part , It passes through the curved inner side surface, is pulled out in the same direction as the fixing terminal, and the leading end of the lead wire is pre-soldered, and the leading end of the lead wire is This is a choke coil that also serves as an electrode terminal of the choke coil.

また、本発明は、筒部と、前記筒部の両側に配置された鍔部分とで構成されたチョークコイル用ボビンであって、前記各鍔部分は、巻線を保持する平板部と、端子保持台と、端子保持部とで構成され、端子保持部の下側に、スリットが設けられたチョークコイル用ボビンである。   Further, the present invention is a choke coil bobbin composed of a cylindrical portion and flange portions disposed on both sides of the cylindrical portion, wherein each flange portion includes a flat plate portion for holding a winding, a terminal The choke coil bobbin includes a holding base and a terminal holding portion, and is provided with a slit below the terminal holding portion.

また、本発明は、筒部と、前記筒部の両側に配置された鍔部分とで構成されたチョークコイル用ボビンであって、前記各鍔部分は、巻線を保持する平板部と、端子保持台と、固定用端子が埋め込まれた複数の端子保持部とで構成され、前記端子保持部は、溝部分で分離され、いずれか１個の端子保持部には、突出凸部が設けられ、前記端子保持台との間にスリットが設けられたチョークコイル用ボビンである。   Further, the present invention is a choke coil bobbin composed of a cylindrical portion and flange portions disposed on both sides of the cylindrical portion, wherein each flange portion includes a flat plate portion for holding a winding, a terminal A holding base and a plurality of terminal holding portions in which fixing terminals are embedded, the terminal holding portions are separated by a groove portion, and any one terminal holding portion is provided with a protruding convex portion. The choke coil bobbin is provided with a slit between the terminal holding base.

また、本発明は、筒部と、前記筒部の両側に配置された鍔部分とで構成されたチョークコイル用ボビンであって、前記各鍔部分は、巻線を保持する平板部と、端子保持台と、固定用端子が埋め込まれた複数の端子保持部とで構成され、前記端子保持部は、溝部分で分離され、いずれか１個の端子保持部には、湾曲部を有する突出凸部が設けられ、前記湾曲部を有する突出凸部と前記端子保持台との間にスリットが設けられたチョークコイル用ボビンである。   Further, the present invention is a choke coil bobbin composed of a cylindrical portion and flange portions disposed on both sides of the cylindrical portion, wherein each flange portion includes a flat plate portion for holding a winding, a terminal A holding base and a plurality of terminal holding portions in which fixing terminals are embedded, the terminal holding portions are separated by a groove portion, and any one terminal holding portion has a protruding protrusion having a curved portion. The choke coil bobbin is provided with a slit between the protruding convex portion having the curved portion and the terminal holding base.

本発明によれば、引き出し電線と端子との接続の問題が解消され、線径の太い巻線の線材にも対応でき、組み立てでの電極端子の構成が簡単で、かつ工数が低減されたチョークコイルおよびチョークコイル用ボビンを提供することができる。   According to the present invention, the problem of connection between the lead wire and the terminal is solved, and the choke can be used for a wire material having a large wire diameter, the structure of the electrode terminal in assembly is simple, and the man-hour is reduced. Bobbins for coils and choke coils can be provided.

本発明の実施の形態によるチョークコイルおよびチョークコイル用ボビンについて、以下説明する。
（実施の形態１） A choke coil and a choke coil bobbin according to an embodiment of the present invention will be described below.
(Embodiment 1)

図１は、本発明の実施の形態１のチョークコイルの説明図である。図１では、磁性体コア７を組み立てる前の状態である。本発明のチョークコイルは、対称の形状の磁性体コア７とチョークコイル用ボビンと９と、巻線２とで構成されている。ここで、チョークコイル用ボビン９は、筒部と、前記筒部の両側に配置された鍔１０とで構成されている。   FIG. 1 is an explanatory diagram of a choke coil according to a first embodiment of the present invention. FIG. 1 shows a state before the magnetic core 7 is assembled. The choke coil of the present invention includes a symmetrical magnetic core 7, a choke coil bobbin 9, and a winding 2. Here, the choke coil bobbin 9 is composed of a cylindrical portion and flanges 10 arranged on both sides of the cylindrical portion.

また、鍔１０は、巻線を保持する平板部１と、端子保持台８と、端子保持部５，６とで構成され、端子保持部５の下側に、スリット５２が設けられており、前記巻線２からの引き出し電線が、前記スリット５２を通過して、迂回して、固定用端子４と、同一方向に引き出され、かつ、前記引き出し電線の先端部は、あらかじめ、半田処理されており、前記引き出し電線の先端部が、チョークコイルの電極端子３を兼ねている。   Further, the flange 10 is composed of a flat plate portion 1 for holding a winding, a terminal holding base 8, and terminal holding portions 5 and 6, and a slit 52 is provided below the terminal holding portion 5, The lead wire from the winding 2 passes through the slit 52, bypasses and is drawn out in the same direction as the fixing terminal 4, and the leading end of the lead wire is pre-soldered. The leading end of the lead wire also serves as the electrode terminal 3 of the choke coil.

これによって、巻線２の線径が１．０φ以上の太い巻線の線材にも対応でき、組み立てでの電極端子の構成が簡単で、かつ工数が低減されたチョークコイルを提供できる。
（実施の形態２） Accordingly, it is possible to provide a choke coil that can deal with a thick wire having a wire diameter of 1.0φ or more, has a simple configuration of electrode terminals in assembly, and has a reduced man-hour.
(Embodiment 2)

図２は、本発明の実施の形態２のチョークコイルの説明図である。図２では、磁性体コア７ａを組み立てる前の状態である。本発明のチョークコイルは、対称の形状の磁性体コア７ａとチョークコイル用ボビン９ａと、巻線２ａとで構成されている。ここで、チョークコイル用ボビン９ａは、筒部と、前記筒部の両側に配置された鍔１０ａとで構成されている。   FIG. 2 is an explanatory diagram of the choke coil according to the second embodiment of the present invention. FIG. 2 shows a state before the magnetic core 7a is assembled. The choke coil according to the present invention includes a magnetic core 7a having a symmetrical shape, a bobbin 9a for choke coil, and a winding 2a. Here, the choke coil bobbin 9a includes a cylindrical portion and flanges 10a disposed on both sides of the cylindrical portion.

また、鍔１０ａは、巻線２ａを保持する平板部１ａと、端子保持台８ａと、端子保持部５ａ，６ａとで構成され、端子保持部５ａ，６ａは、溝部分で分離され、前記端子保持部５ａには、突出凸部５００が設けられ、前記端子保持台８ａとの間にスリット５２ａが設けられ、前記巻線２ａからの引き出し電線が、前記溝部分を通過して、前記突出凸部５００の下側のスリット５２ａを通過して、固定用端子４ａと、同一方向に引き出され、かつ、前記引き出し電線の先端部は、あらかじめ、半田処理されており、前記引き出し電線の先端部が、チョークコイルの電極端子３ａを兼ねている。   The flange 10a includes a flat plate portion 1a for holding the winding 2a, a terminal holding base 8a, and terminal holding portions 5a and 6a. The terminal holding portions 5a and 6a are separated by a groove portion, and the terminal The holding portion 5a is provided with a protruding convex portion 500, a slit 52a is provided between the holding portion 5a and the terminal holding base 8a, and the lead wire from the winding 2a passes through the groove portion and passes through the protruding convex portion. Passing through the slit 52a on the lower side of the portion 500, the lead wire is pulled out in the same direction as the fixing terminal 4a, and the leading end portion of the lead wire is pre-soldered, and the leading end portion of the lead wire is Also serves as the electrode terminal 3a of the choke coil.

これによって、巻線２の線径が１．０φ以上の太い巻線の線材にも対応でき、組み立てでの電極端子の構成が簡単で、かつ工数が低減されたチョークコイルを提供できる。
（実施の形態３） Accordingly, it is possible to provide a choke coil that can deal with a thick wire having a wire diameter of 1.0φ or more, has a simple configuration of electrode terminals in assembly, and has a reduced man-hour.
(Embodiment 3)

図３は、本発明の実施の形態３のチョークコイルの説明図である。図３では、磁性体コア７ｂを組み立てる前の状態である。本発明のチョークコイルは、対称の形状の磁性体コア７ｂとチョークコイル用ボビン９ｂ と、巻線２ｂとで構成されている。ここで、チョークコイル用ボビン９ｂは、筒部と、前記筒部の両側に配置された鍔１０ｂとで構成されている。   FIG. 3 is an explanatory diagram of the choke coil according to the third embodiment of the present invention. FIG. 3 shows a state before the magnetic core 7b is assembled. The choke coil according to the present invention includes a symmetrical magnetic core 7b, a choke coil bobbin 9b, and a winding 2b. Here, the bobbin 9b for choke coils is comprised by the cylinder part and the collar 10b arrange | positioned at the both sides of the said cylinder part.

前記各鍔１０ｂは、巻線２ｂを保持する平板部と、端子保持台８ｂと、固定用端子４ｂが埋め込まれた複数の端子保持部５ｂ、６ｂとで構成され、前記端子保持部５ｂ、６ｂは、溝部分で分離され、前記端子保持部５ｂには、湾曲部を有する湾曲凸部５５０が設けられ、前記湾曲凸部５５０を有する突出凸部と前記端子保持台との間にスリット５２ｂが設けられている。   Each of the flanges 10b includes a flat plate portion that holds the winding 2b, a terminal holding base 8b, and a plurality of terminal holding portions 5b and 6b in which fixing terminals 4b are embedded, and the terminal holding portions 5b and 6b. Is separated by a groove portion, and the terminal holding portion 5b is provided with a curved convex portion 550 having a curved portion, and a slit 52b is provided between the protruding convex portion having the curved convex portion 550 and the terminal holding base. Is provided.

前記巻線２ｂからの引き出し電線が、前記溝部分を通過して、前記周回する折り返し部分の下側のスリット５２ｂを通過して、湾曲した部分の内側の側面に沿って、前記固定用端子４ｂと、同一方向に引き出され、かつ、前記引き出し電線の先端部は、あらかじめ、半田処理されており、前記引き出し電線の先端部が、チョークコイルの電極端子３ｂを兼ねる。   The lead wire from the winding 2b passes through the groove portion, passes through the lower slit 52b of the folded-back portion that circulates, and extends along the side surface inside the curved portion to the fixing terminal 4b. And the leading end of the lead wire is pre-soldered, and the leading end of the lead wire also serves as the electrode terminal 3b of the choke coil.

これによって、巻線２の線径が１．０φ以上の太い巻線の線材にも対応でき、組み立てでの電極端子の構成が簡単で、かつ工数が低減されたチョークコイルを提供できる。このようなボビンを用いることにより、引き出し電線の処理を容易に行うことができ、電極端子の位置決めも可能となる。   Accordingly, it is possible to provide a choke coil that can deal with a thick wire having a wire diameter of 1.0φ or more, has a simple configuration of electrode terminals in assembly, and has a reduced man-hour. By using such a bobbin, the lead wire can be easily processed, and the electrode terminals can be positioned.

本発明の実施の形態１によるチョークコイルの説明図。1 is an explanatory diagram of a choke coil according to a first embodiment of the present invention. 本発明の実施の形態２によるチョークコイルの説明図。Explanatory drawing of the choke coil by Embodiment 2 of this invention. 本発明の実施の形態３によるチョークコイルの説明図。Explanatory drawing of the choke coil by Embodiment 3 of this invention. 従来のチョークコイルの説明図。Explanatory drawing of the conventional choke coil.

符号の説明Explanation of symbols

１，１ａ，１ｂ，１１ 平板部
２，２ａ，２ｂ，２１ 巻線
３，３ａ，３ｂ，３１ 電極端子
４，４ａ，４ｂ，４１ 固定用端子
５，５ａ，５ｂ，６，６ａ，６ｂ，６１ 端子保持部
７，７ａ，７ｂ，７１ 磁性体コア
８，８ａ，８ｂ，８１ 端子保持台
９，９ａ，９ｂ，９１ チョークコイル用ボビン
１０，１０ａ，１０ｂ，１００ 鍔
５２，５２ａ，５２ｂ スリット
６０，６０ａ，６０ｂ，６０ｃ 溝部分
５００ 突出凸部
５５０ 湾曲凸部 1, 1a, 1b, 11 Flat plate portion 2, 2a, 2b, 21 Windings 3, 3a, 3b, 31 Electrode terminals 4, 4a, 4b, 41 Fixing terminals 5, 5a, 5b, 6, 6a, 6b, 61 Terminal holding parts 7, 7a, 7b, 71 Magnetic cores 8, 8a, 8b, 81 Terminal holding base
9, 9a, 9b, 91 Choke coil bobbin 10, 10a, 10b, 100 鍔 52, 52a, 52b Slit 60, 60a, 60b, 60c Groove portion 500 Projection convex portion
550 Curved convex part

Claims (6)

磁性材料コアと、巻線と、チョークコイル用ボビンとで構成されるチョークコイルであって、前記チョークコイル用ボビンは、筒部と、前記筒部の両側に配置された鍔部分とで構成され、前記磁性材料コアの一部が、前記チョークコイル用ボビンの筒部に収納され、前記各鍔部分は、巻線を保持する平板部と、端子保持台と、端子保持部とで構成され、端子保持部と平板部との間に、スリットが設けられており、前記巻線からの引き出し電線が、前記スリットを通過して、前記端子保持部を迂回して、固定用端子と、同一方向に引き出され、かつ、前記引き出し電線の先端部は、あらかじめ、半田処理されており、前記引き出し電線の先端部が、チョークコイルの電極端子を兼ねることを特徴とするチョークコイル。   A choke coil comprising a magnetic material core, a winding, and a choke coil bobbin, wherein the choke coil bobbin comprises a tube portion and flange portions disposed on both sides of the tube portion. A part of the magnetic material core is housed in a cylindrical portion of the choke coil bobbin, and each of the flange portions includes a flat plate portion for holding a winding, a terminal holding base, and a terminal holding portion, A slit is provided between the terminal holding portion and the flat plate portion, and the lead wire from the winding passes through the slit, bypasses the terminal holding portion, and has the same direction as the fixing terminal. And a leading end of the lead wire is pre-soldered, and the leading end of the lead wire also serves as an electrode terminal of the choke coil. 磁性材料コアと、巻線と、チョークコイル用ボビンとで構成されるチョークコイルであって、前記チョークコイル用ボビンは、筒部と、前記筒部の両側に配置された鍔部分とで構成され、前記各鍔部分は、巻線を保持する平板部と、端子保持台と、固定用端子が埋め込まれた複数の端子保持部とで構成され、前記端子保持部は、溝部分で分離され、いずれか１個の端子保持部には、突出凸部が設けられ、前記端子保持台との間にスリットが設けられ、前記巻線からの引き出し電線が、前記溝部分を通過して、前記スリットを通過して、前記突出凸部を迂回して、固定用端子と、同一方向に引き出され、かつ、前記引き出し電線の先端部は、あらかじめ、半田処理されており、前記引き出し電線の先端部が、チョークコイルの電極端子を兼ねることを特徴とするチョークコイル。   A choke coil comprising a magnetic material core, a winding, and a choke coil bobbin, wherein the choke coil bobbin comprises a tube portion and flange portions disposed on both sides of the tube portion. Each of the flange portions is composed of a flat plate portion for holding a winding, a terminal holding base, and a plurality of terminal holding portions in which fixing terminals are embedded, and the terminal holding portions are separated by groove portions, Any one of the terminal holding portions is provided with a projecting convex portion, and a slit is provided between the terminal holding base, and the lead wire from the winding passes through the groove portion, and the slit The leading end of the lead-out wire is soldered in advance, and the leading end of the lead-out wire is Also serves as electrode terminal for choke coil Choke coil, wherein the door. 磁性材料コアと、巻線と、チョークコイル用ボビンとで構成されるチョークコイルであって、前記チョークコイル用ボビンは、筒部と、前記筒部の両側に配置された鍔部分とで構成され、前記チョークコイル用ボビンは、中空部分を有する筒部と、前記筒部の両側に配置された鍔部分とで構成され、前記各鍔部分は、巻線を保持する平板部と、端子保持台と、固定用端子が埋め込まれた複数の端子保持部とで構成され、前記端子保持部は、溝部分で分離され、いずれか１個の端子保持部には、湾曲部を有する湾曲凸部が設けられ、前記湾曲部を有する凸部と前記端子保持台との間にスリットが設けられ、前記巻線からの引き出し電線が、前記溝部分を通過して、前記スリット部を通過し湾曲凸部を迂回して、前記固定用端子と、同一方向に引き出され、かつ、前記引き出し電線の先端部は、あらかじめ、半田処理されており、前記引き出し電線の先端部が、チョークコイルの電極端子を兼ねることを特徴とするチョークコイル。   A choke coil comprising a magnetic material core, a winding, and a choke coil bobbin, wherein the choke coil bobbin comprises a tube portion and flange portions disposed on both sides of the tube portion. The choke coil bobbin includes a cylindrical portion having a hollow portion and flange portions disposed on both sides of the cylindrical portion, each flange portion including a flat plate portion for holding a winding, and a terminal holding base. And a plurality of terminal holding portions in which fixing terminals are embedded. The terminal holding portions are separated by groove portions, and any one of the terminal holding portions has a curved convex portion having a curved portion. Provided, a slit is provided between the convex part having the curved part and the terminal holding base, and the lead wire from the winding passes through the groove part and passes through the slit part, and the curved convex part. To the same direction as the fixing terminal. Issued, and the tip portion of the extraction wire is previously are soldering, choke coil tip of the drawer wire, characterized in that also serves as an electrode terminal of the choke coil. 筒部と、前記筒部の両側に配置された鍔部分とで構成されたチョークコイル用ボビンであって、前記各鍔部分は、巻線を保持する平板部と、端子保持台と、端子保持部とで構成され、端子保持部と平板部との間にスリットが設けられたことを特徴とするチョークコイル用ボビン。   A choke coil bobbin composed of a cylindrical portion and flange portions disposed on both sides of the cylindrical portion, wherein each flange portion includes a flat plate portion for holding a winding, a terminal holding base, and a terminal holding portion. The choke coil bobbin is characterized in that a slit is provided between the terminal holding portion and the flat plate portion. 筒部と、前記筒部の両側に配置された鍔部分とで構成されたチョークコイル用ボビンであって、前記各鍔部分は、巻線を保持する平板部と、端子保持台と、固定用端子が埋め込まれた複数の端子保持部とで構成され、前記端子保持部は、溝部分で分離され、いずれか１個の端子保持部には、突出凸部が設けられ、前記端子保持台との間にスリットが設けらたことを特徴とするチョークコイル用ボビン。   A choke coil bobbin composed of a cylindrical portion and flange portions disposed on both sides of the cylindrical portion, wherein each flange portion includes a flat plate portion that holds a winding, a terminal holding base, and a fixing A plurality of terminal holding portions embedded with terminals, the terminal holding portions are separated by groove portions, and any one of the terminal holding portions is provided with a protruding convex portion, and the terminal holding base and A choke coil bobbin characterized in that a slit is provided in between. 筒部と、前記筒部の両側に配置された鍔部分とで構成されたチョークコイル用ボビンであって、前記各鍔部分は、巻線を保持する平板部と、端子保持台と、固定用端子が埋め込まれた複数の端子保持部とで構成され、前記端子保持部は、溝部分で分離され、いずれか１個の端子保持部には、湾曲部を有する突出凸部が設けられ、前記湾曲部を有する突出凸部と前記端子保持台との間にスリットが設けられたことを特徴とするチョークコイル用ボビン。   A choke coil bobbin composed of a cylindrical portion and flange portions disposed on both sides of the cylindrical portion, wherein each flange portion includes a flat plate portion that holds a winding, a terminal holding base, and a fixing A plurality of terminal holding portions embedded with terminals, the terminal holding portions are separated by groove portions, and any one terminal holding portion is provided with a protruding convex portion having a curved portion, A choke coil bobbin characterized in that a slit is provided between a protruding convex part having a curved part and the terminal holding base.
JP2004111662A 2004-04-06 2004-04-06 Choke coil and bobbin for choke coil Pending JP2005294770A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI475580B (en) * 2013-11-20 2015-03-01 Delta Electronics Jiangsu Ltd Transformer skeleton and winding method of using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI475580B (en) * 2013-11-20 2015-03-01 Delta Electronics Jiangsu Ltd Transformer skeleton and winding method of using the same
CN104658744A (en) * 2013-11-20 2015-05-27 中达电子(江苏)有限公司 Transformer framework and wire winding method using transformer framework

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