JP3336993B2 - Choke transformer - Google Patents
Choke transformerInfo
- Publication number
- JP3336993B2 JP3336993B2 JP11444299A JP11444299A JP3336993B2 JP 3336993 B2 JP3336993 B2 JP 3336993B2 JP 11444299 A JP11444299 A JP 11444299A JP 11444299 A JP11444299 A JP 11444299A JP 3336993 B2 JP3336993 B2 JP 3336993B2
- Authority
- JP
- Japan
- Prior art keywords
- storage case
- toroidal core
- winding
- terminal
- mounting
- 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
Landscapes
- Coils Of Transformers For General Uses (AREA)
- Coils Or Transformers For Communication (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、各種民生機器等に
使用するチョークトランスに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a choke transformer used for various consumer appliances and the like.
【０００２】[0002]
【従来の技術】以下、従来のチョークトランスについて
図面を参照しながら説明する。2. Description of the Related Art A conventional choke transformer will be described below with reference to the drawings.
【０００３】図５は従来のチョークトランスの一部切欠
斜視図、図６は同チョークトランスの断面図、図７は同
チョークトランスの下面図である。FIG. 5 is a partially cutaway perspective view of a conventional choke transformer, FIG. 6 is a sectional view of the choke transformer, and FIG. 7 is a bottom view of the choke transformer.
【０００４】図５〜図７において、従来のチョークトラ
ンスは、貫通孔を有したリング形状のトロイダルコア１
と、このトロイダルコア１に巻回した絶縁樹脂を被覆し
た巻線２と、この巻線２を巻回したトロイダルコア１を
収納する収納凹部３を有した収納ケース４と、収納ケー
ス４の壁面５に植設するとともに、巻線２と接続する端
子６とを備えている。In FIG. 5 to FIG. 7, a conventional choke transformer is a ring-shaped toroidal core 1 having a through hole.
A winding case 2 having an insulating resin wound around the toroidal core 1, a storage case 4 having a storage recess 3 for storing the toroidal core 1 wound with the winding 2, and a wall surface of the storage case 4 5 and a terminal 6 connected to the winding 2.
【０００５】このとき、端子６は、収納ケース４の壁面
５から下方に突出させた根元部７と、基板等に面実装す
るために、先端を基板等と平行になるように折曲した先
端部８とからなる。そして、端子６の根元部７に巻線２
を巻回し半田接続するとともに、端子６の先端部８と基
板等とを半田接続している。[0005] At this time, the terminal 6 has a root portion 7 protruding downward from the wall surface 5 of the storage case 4 and a distal end bent to be parallel to the substrate or the like for surface mounting on the substrate or the like. 8. Then, the winding 2 is attached to the base 7 of the terminal 6.
Are wound and connected by soldering, and the tip 8 of the terminal 6 is connected by soldering to a substrate or the like.
【０００６】[0006]
【発明が解決しようとする課題】上記従来の構成では、
端子６は、収納ケース４の壁面から下方に突出させた根
元部７と、基板等に面実装するために、先端を基板等と
平行になるように折曲した接続部８とからなるので、基
板等との実装時には、端子が収納ケースの外周面よりも
外側に突出してしまい、取付面積が大きくなり、小型化
を図れない。また、巻線２を端子６の根元部７で半田接
続するためには、端子６の先端部８と根元部７とを半田
槽に付けることにより、半田接続しなければならず、端
子６の先端部８に余分な半田が付着してしまい、端子６
の先端部８の寸法精度が悪化するという問題点を有して
いた。In the above-mentioned conventional configuration,
The terminal 6 includes a root portion 7 protruding downward from the wall surface of the storage case 4 and a connecting portion 8 whose tip is bent so as to be parallel to the substrate or the like for surface mounting on the substrate or the like. At the time of mounting on a board or the like, the terminals protrude outside the outer peripheral surface of the storage case, so that the mounting area becomes large and miniaturization cannot be achieved. Further, in order to solder-connect the winding 2 at the root 7 of the terminal 6, the tip 8 of the terminal 6 and the root 7 must be soldered by attaching them to a solder bath. Extra solder adheres to the tip 8 and the terminal 6
However, there is a problem that the dimensional accuracy of the front end portion 8 is deteriorated.
【０００７】本発明は上記問題点を解決するもので、小
型化が図れるとともに、端子の先端部の寸法精度を向上
したチョークトランスを提供することを目的としてい
る。An object of the present invention is to solve the above-mentioned problems, and to provide a choke transformer that can be reduced in size and has improved dimensional accuracy at the tip of a terminal.
【０００８】[0008]
【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、貫通孔を有したリング形状のトロイダルコ
アと、前記トロイダルコアに巻回した絶縁樹脂を被覆し
た巻線と、前記巻線を巻回した前記トロイダルコアを収
納する収納凹部を有した収納ケースと、前記収納ケース
に植設するとともに、前記巻線と接続する端子と、前記
収納ケースに係止するとともに、前記巻線を巻回した前
記トロイダルコアの上面を覆う上蓋ケースとを備え、前
記端子は、Ｌ字形状にするとともに、一端は前記巻線を
接続する接続部とし、他端は実装用の実装部とし、前記
接続部は前記収納ケースの一側面から突出させて上方へ
折曲するとともに、前記実装部は前記収納ケースの他側
面から突出させて下方へ折曲しており、前記接続部を前
記収納ケースまたは前記上蓋の外周面と略同一または前
記外周面よりも内包させた構成である。To achieve the above object, the present invention provides a ring-shaped toroidal core having a through hole, a winding coated with an insulating resin wound around the toroidal core, and A storage case having a storage recess for storing the toroidal core wound with a wire, a terminal that is implanted in the storage case, is connected to the winding, and is locked to the storage case; An upper lid case that covers the upper surface of the toroidal core wound with the terminal, the terminal has an L-shape, one end is a connection part for connecting the winding, and the other end is a mounting part for mounting, The connecting portion protrudes from one side surface of the storage case and bends upward, and the mounting portion protrudes from the other side surface of the storage case and bends downward. Also A structure in which is enclosed from the outer peripheral surface and substantially the same or the outer peripheral surface of said upper lid.
【０００９】上記構成により、端子は、Ｌ字形状にする
とともに、一端は巻線を接続する接続部とし、他端は実
装用の実装部とし、接続部は収納ケースの一側面から突
出させて上方へ折曲するとともに、実装部は収納ケース
の他側面から突出させて下方へ折曲しており、接続部を
収納ケースまたは上蓋の外周面と略同一または外周面よ
りも内包させているので、基板等との実装時には、少な
くとも端子の接続部が収納ケースの外周面よりも外側に
突出することがなく、取付面積を小さくし、小型化を図
ることができるとともに、端子の接続部と実装部が別れ
ているので、接続部と巻線との半田接続時に、実装部に
半田が付着することがなく、端子の実装部の寸法精度を
向上させることができる。According to the above configuration, the terminal is formed in an L-shape, one end is a connection portion for connecting a winding, the other end is a mounting portion for mounting, and the connection portion is projected from one side surface of the storage case. While being bent upward, the mounting portion is projected downward from the other side surface of the storage case and bent downward, so that the connection portion is substantially the same as the outer peripheral surface of the storage case or the upper lid or included in the outer lid more than the outer peripheral surface. At the time of mounting on a board or the like, at least the connection portion of the terminal does not protrude outside the outer peripheral surface of the storage case, so that the mounting area can be reduced, the size can be reduced, and the connection portion of the terminal can be mounted. Since the parts are separated, the solder does not adhere to the mounting part at the time of solder connection between the connection part and the winding, and the dimensional accuracy of the terminal mounting part can be improved.
【００１０】[0010]
【発明の実施の形態】本発明の請求項１記載の発明は、
貫通孔を有したリング形状のトロイダルコアと、前記ト
ロイダルコアに巻回した絶縁樹脂を被覆した巻線と、前
記巻線を巻回した前記トロイダルコアを収納する収納凹
部を有した収納ケースと、前記収納ケースに植設すると
ともに、前記巻線と接続する端子と、前記収納ケースに
係止するとともに、前記巻線を巻回した前記トロイダル
コアの上面を覆う上蓋ケースとを備え、前記端子は、Ｌ
字形状にするとともに、一端は前記巻線を接続する接続
部とし、他端は実装用の実装部とし、前記接続部は前記
収納ケースの一側面から突出させて上方へ折曲するとと
もに、前記実装部は前記収納ケースの他側面から突出さ
せて下方へ折曲しており、前記接続部を前記収納ケース
または前記上蓋の外周面と略同一または前記外周面より
も内包させた構成である。BEST MODE FOR CARRYING OUT THE INVENTION
A ring-shaped toroidal core having a through hole, a winding covered with an insulating resin wound around the toroidal core, and a storage case having a storage recess for storing the toroidal core wound with the winding, A terminal that is implanted in the storage case and is connected to the winding; and an upper lid case that is locked to the storage case and covers an upper surface of the toroidal core around which the winding is wound. , L
And the other end is a connecting portion for connecting the winding, the other end is a mounting portion for mounting, the connecting portion is projected upward from one side surface of the storage case and bent upward, and The mounting portion protrudes from the other side surface of the storage case and is bent downward, so that the connection portion is substantially the same as the outer peripheral surface of the storage case or the upper lid or included in the outer peripheral surface.
【００１１】上記構成により、端子は、Ｌ字形状にする
とともに、一端は巻線を接続する接続部とし、他端は実
装用の実装部とし、接続部は収納ケースの一側面から突
出させて上方へ折曲するとともに、実装部は収納ケース
の他側面から突出させて下方へ折曲しており、接続部を
収納ケースまたは上蓋の外周面と略同一または外周面よ
りも内包させているので、基板等との実装時には、少な
くとも端子の接続部が収納ケースの外周面よりも外側に
突出することがなく、取付面積を小さくし、小型化を図
ることができるとともに、端子の接続部と実装部が別れ
ているので、接続部と巻線との半田接続時に、実装部に
半田が付着することがなく、端子の実装部の寸法精度を
向上させることができる。According to the above configuration, the terminal is formed in an L-shape, one end is a connection portion for connecting a winding, the other end is a mounting portion for mounting, and the connection portion is projected from one side surface of the storage case. While being bent upward, the mounting portion is projected downward from the other side surface of the storage case and bent downward, so that the connection portion is substantially the same as the outer peripheral surface of the storage case or the upper lid or included in the outer lid more than the outer peripheral surface. At the time of mounting on a board or the like, at least the connection portion of the terminal does not protrude outside the outer peripheral surface of the storage case, so that the mounting area can be reduced, the size can be reduced, and the connection portion of the terminal can be mounted. Since the parts are separated, the solder does not adhere to the mounting part at the time of solder connection between the connection part and the winding, and the dimensional accuracy of the terminal mounting part can be improved.
【００１２】本発明の請求項２記載の発明は、請求項１
記載の発明において、収納ケースの収納凹部の底面に突
起部を設け、前記突起部をトロイダルコアの貫通孔に挿
入するとともに、前記トロイダルコアの前記貫通孔内に
接着剤を塗布して、前記トロイダルコアと前記収納ケー
スと、上蓋とを接着した構成である。The second aspect of the present invention is the first aspect of the present invention.
In the invention described in the above, a projection is provided on the bottom surface of the storage recess of the storage case, the projection is inserted into a through hole of the toroidal core, and an adhesive is applied to the inside of the through hole of the toroidal core, and the toroidal The core, the storage case, and the upper lid are bonded to each other.
【００１３】上記構成により、収納ケースの収納凹部の
底面に突起部を設けているので、トロイダルコアの貫通
孔内に接着剤を塗布すれば、必然的に収納凹部の突起部
を中心に、トロイダルコアと収納ケースと上蓋とを簡単
で強固に接着することができる。According to the above configuration, since the projection is provided on the bottom surface of the storage recess of the storage case, if an adhesive is applied in the through-hole of the toroidal core, the toroidal center is inevitably centered on the projection of the storage recess. The core, the storage case, and the upper lid can be easily and firmly bonded.
【００１４】さらに、トロイダルコアの位置決めも容易
にすることができる。Further, the positioning of the toroidal core can be facilitated.
【００１５】本発明の請求項３記載の発明は、請求項１
記載の発明において、トロイダルコアの表面にフッ素樹
脂を被覆した構成である。The third aspect of the present invention is the first aspect of the present invention.
In the described invention, the surface of the toroidal core is coated with a fluororesin.
【００１６】上記構成により、フッ素樹脂による被覆表
面の硬度が大きいので、トロイダルコアの絶縁性を向上
させることができるとともに、フッ素樹脂による被覆表
面の摩擦係数が低いので、巻線がトロイダルコアの表面
に引っ掛かることがなく、断線防止を図ることもでき
る。According to the above configuration, since the hardness of the surface coated with the fluororesin is high, the insulating property of the toroidal core can be improved, and the coefficient of friction of the surface coated with the fluororesin is low. And the wire can be prevented from being disconnected.
【００１７】本発明の請求項４記載の発明は、請求項１
記載の発明において、絶縁樹脂はナイロン樹脂とした構
成である。The fourth aspect of the present invention is the first aspect of the present invention.
In the invention described above, the insulating resin is a nylon resin.
【００１８】上記構成により、巻線を被覆する絶縁樹脂
がナイロン樹脂なので、絶縁樹脂の伸縮性があり、巻線
の絶縁性を高めることができ、巻線とトロイダルコアと
の短絡を防止することができる。According to the above configuration, since the insulating resin covering the winding is a nylon resin, the insulating resin has elasticity, and the insulating property of the winding can be improved, and a short circuit between the winding and the toroidal core can be prevented. Can be.
【００１９】（実施の形態）以下、本発明の一実施の形
態におけるチョークトランスについて図面を参照しなが
ら説明する。(Embodiment) A choke transformer according to an embodiment of the present invention will be described below with reference to the drawings.
【００２０】図１は本発明の一実施の形態におけるチョ
ークトランスの分解斜視図、図２は同チョークトランス
の斜視図、図３は上蓋を装着する前の同チョークトラン
スの斜視図、図４は同チョークトランスの製造工程図で
ある。FIG. 1 is an exploded perspective view of a choke transformer according to an embodiment of the present invention, FIG. 2 is a perspective view of the choke transformer, FIG. 3 is a perspective view of the choke transformer before an upper cover is mounted, and FIG. It is a manufacturing process figure of the choke transformer.
【００２１】図１〜図４において、本発明の一実施の形
態におけるチョークトランスは、貫通孔１０を有したリ
ング形状のトロイダルコア１１と、このトロイダルコア
１１に巻回した絶縁樹脂を被覆した巻線１２と、この巻
線１２を巻回したトロイダルコア１１を収納する収納凹
部１３を有した収納ケース１４と、この収納ケース１４
に植設するとともに、巻線１２と接続する端子１５と、
収納ケース１４に係止するとともに、巻線１２を巻回し
たトロイダルコア１１の上面を覆う上蓋２０とを備えて
いる。1 to 4, a choke transformer according to an embodiment of the present invention includes a ring-shaped toroidal core 11 having a through-hole 10 and a winding covered with an insulating resin wound around the toroidal core 11. A storage case 14 having a wire 12, a storage recess 13 for storing the toroidal core 11 around which the winding 12 is wound, and a storage case 14
And a terminal 15 connected to the winding 12 and
An upper lid (20) is provided for locking to the storage case (14) and covering the upper surface of the toroidal core (11) wound with the winding (12).
【００２２】また、端子１５は、Ｌ字形状にするととも
に、一端は巻線１２を接続する接続部１６とし、他端は
実装用の実装部１７とし、接続部１６は収納ケース１４
の一側面１８から突出させて上方へ折曲するとともに、
実装部１７は収納ケース１４の他側面１９から突出させ
て下方へ折曲しており、接続部１６を収納ケース１４ま
たは上蓋２０の外周面２１と略同一または外周面２１よ
りも内包させている。The terminal 15 is L-shaped, one end is a connecting portion 16 for connecting the winding 12, the other end is a mounting portion 17 for mounting, and the connecting portion 16 is a storage case 14.
While projecting from one side surface 18 and bending upward,
The mounting portion 17 is bent downward so as to project from the other side surface 19 of the storage case 14, and the connection portion 16 is substantially the same as the outer peripheral surface 21 of the storage case 14 or the upper lid 20, or is included in the outer peripheral surface 21. .
【００２３】さらに、収納ケース１４の収納凹部１３の
底面２２に突起部２３を設け、突起部２３をトロイダル
コア１１の貫通孔１０に挿入するとともに、トロイダル
コア１１の貫通孔１０内に接着剤２４を塗布して、トロ
イダルコア１１と収納ケース１４と上蓋２０とを接着し
ている。Further, a projection 23 is provided on the bottom surface 22 of the storage recess 13 of the storage case 14, the projection 23 is inserted into the through hole 10 of the toroidal core 11, and the adhesive 24 is inserted into the through hole 10 of the toroidal core 11. Is applied, and the toroidal core 11, the storage case 14, and the upper lid 20 are adhered.
【００２４】そして、トロイダルコア１１の表面にフッ
素樹脂を被覆するとともに、巻線１２に被覆した絶縁樹
脂をナイロン樹脂としている。The surface of the toroidal core 11 is coated with a fluororesin, and the insulating resin that covers the windings 12 is a nylon resin.
【００２５】上記構成のチョークトランスについて、以
下その動作を説明する。The operation of the choke transformer having the above configuration will be described below.
【００２６】上記構成により、端子１５は、Ｌ字形状に
するとともに、一端は巻線１２を接続する接続部１６と
し、他端は実装用の実装部１７とし、接続部１６は収納
ケース１４の一側面１８から突出させて上方へ折曲する
とともに、実装部１７は収納ケース１４の他側面１９か
ら突出させて下方へ折曲しており、接続部１６を収納ケ
ース１４または上蓋２０の外周面２１と略同一または外
周面２１よりも内包させているので、基板等との実装時
には、少なくとも端子１５の接続部１６が収納ケース１
４の外周面２５よりも外側に突出することがなく、取付
面積を小さくし、小型化を図ることができるとともに、
端子１５の接続部１６と実装部１７が別れているので、
接続部１６と巻線１２との半田接続時に、実装部１７に
半田が付着することがなく、端子１５の実装部１７の寸
法精度を向上させることができる。With the above configuration, the terminal 15 has an L-shape, one end is a connecting part 16 for connecting the winding 12, the other end is a mounting part 17 for mounting, and the connecting part 16 is The mounting portion 17 is projected downward from the other side surface 19 of the storage case 14 and bent downward, while projecting from the one side surface 18, and the connecting portion 16 is connected to the outer peripheral surface of the storage case 14 or the upper lid 20. 21 is included in the housing case 1 or at least when connected to a substrate or the like.
4 does not protrude outwardly from the outer peripheral surface 25, so that the mounting area can be reduced and the size can be reduced.
Since the connecting portion 16 of the terminal 15 and the mounting portion 17 are separated,
At the time of solder connection between the connection portion 16 and the winding 12, solder does not adhere to the mounting portion 17, and the dimensional accuracy of the mounting portion 17 of the terminal 15 can be improved.
【００２７】また、収納ケース１４の収納凹部１３の底
面２２に突起部２３を設けているので、トロイダルコア
１１の位置決めを容易にするとともに、トロイダルコア
１１の貫通孔１０内に接着剤２４を塗布すれば、必然的
に収納ケース１４の突起部２３を中心に、トロイダルコ
ア１１と収納ケース１４と上蓋２０とを簡単で強固に接
着することができる。Further, since the projection 23 is provided on the bottom surface 22 of the storage recess 13 of the storage case 14, the positioning of the toroidal core 11 is facilitated, and the adhesive 24 is applied to the through hole 10 of the toroidal core 11. By doing so, the toroidal core 11, the storage case 14, and the upper lid 20 can be easily and firmly adhered around the projection 23 of the storage case 14.
【００２８】さらに、フッ素樹脂による被覆表面の硬度
が大きいので、トロイダルコア１１の絶縁性を向上させ
ることができるとともに、フッ素樹脂による被覆表面の
摩擦係数が低いので、巻線１２がトロイダルコア１１の
表面に引っ掛かることがなく、断線防止を図ることもで
きる。Further, since the hardness of the surface coated with the fluororesin is high, the insulating property of the toroidal core 11 can be improved, and the coefficient of friction of the surface coated with the fluororesin is low. The wire can be prevented from breaking without being caught on the surface.
【００２９】その上、巻線１２を被覆する絶縁樹脂がナ
イロン樹脂なので、絶縁樹脂の伸縮性があり、巻線１２
の絶縁性を高めることができ、巻線１２とトロイダルコ
ア１１との短絡を防止することができる。In addition, since the insulating resin covering the winding 12 is a nylon resin, the insulating resin has elasticity and the winding 12
Can be improved, and a short circuit between the winding 12 and the toroidal core 11 can be prevented.
【００３０】このように本発明によれば、基板等との実
装時には、少なくとも端子１５の接続部１６が収納ケー
ス１４の外周面２５よりも外側に突出することがなく、
取付面積を小さくし、小型化を図ることができるととも
に、端子１５の接続部１６と実装部１７が別れているの
で、接続部１６と巻線１２との半田接続時に、実装部１
７に半田が付着することがなく、端子１５の実装部１７
の寸法精度を向上させることができる。As described above, according to the present invention, at the time of mounting on a substrate or the like, at least the connection portion 16 of the terminal 15 does not protrude outside the outer peripheral surface 25 of the storage case 14,
The mounting area can be reduced, the size can be reduced, and the connecting portion 16 of the terminal 15 and the mounting portion 17 are separated from each other.
No solder adheres to the mounting portion 17 of the terminal 15.
Dimensional accuracy can be improved.
【００３１】また、トロイダルコア１１の位置決めを容
易にするとともに、トロイダルコア１１と収納ケース１
４と上蓋２０とを簡単で強固に接着することができる。Further, the positioning of the toroidal core 11 is facilitated, and the toroidal core 11 and
4 and the upper lid 20 can be easily and firmly bonded.
【００３２】さらに、トロイダルコア１１へのフッ素樹
脂の被覆により、トロイダルコア１１の絶縁性を向上し
つつ、巻線１２の断線防止を図れるとともに、巻線１２
を被覆する絶縁樹脂がナイロン樹脂なので、巻線１２の
絶縁性も高め、巻線１２とトロイダルコア１１との短絡
を防止することができる。Further, by coating the toroidal core 11 with a fluororesin, the insulation of the toroidal core 11 can be improved, and the winding 12 can be prevented from being disconnected.
Since the insulating resin that covers the wire 12 is a nylon resin, the insulation of the winding 12 can be enhanced, and a short circuit between the winding 12 and the toroidal core 11 can be prevented.
【００３３】[0033]
【発明の効果】以上のように本発明によれば、基板等と
の実装時には、少なくとも端子の接続部が収納ケースの
外周面よりも外側に突出することがなく、取付面積を小
さくし、小型化を図ることができるとともに、端子の接
続部と実装部が別れているので、接続部と巻線との半田
接続時に、実装部に半田が付着することがなく、端子の
実装部の寸法精度を向上させたチョークトランスを提供
することができる。As described above, according to the present invention, at the time of mounting on a substrate or the like, at least the connection portion of the terminal does not protrude outside the outer peripheral surface of the storage case. In addition, the connection part of the terminal and the mounting part are separated, so when soldering the connection part and the winding, solder does not adhere to the mounting part, and the dimensional accuracy of the terminal mounting part Can be provided.
【図１】本発明の一実施の形態におけるチョークトラン
スの分解斜視図FIG. 1 is an exploded perspective view of a choke transformer according to an embodiment of the present invention.
【図２】同チョークトランスの斜視図FIG. 2 is a perspective view of the choke transformer.
【図３】上蓋を装着する前の同チョークトランスの斜視
図FIG. 3 is a perspective view of the choke transformer before the upper lid is attached.
【図４】（ａ）〜（ｄ）はそれぞれ同チョークトランス
の製造工程を示す斜視図FIGS. 4 (a) to 4 (d) are perspective views showing steps of manufacturing the choke transformer, respectively.
【図５】従来のトランスの一部切欠斜視図FIG. 5 is a partially cutaway perspective view of a conventional transformer.
【図６】同トランスの断面図FIG. 6 is a sectional view of the transformer.
【図７】同トランスの下面図FIG. 7 is a bottom view of the transformer.
１０ 貫通孔 １１ トロイダルコア １２ 巻線 １３ 収納凹部 １４ 収納ケース １５ 端子 １６ 接続部 １７ 実装部 １８ 一側面 １９ 他側面 ２０ 上蓋 ２１ 外周面 ２２ 底面 ２３ 突起 ２４ 接着剤 ２５ 外周面 DESCRIPTION OF SYMBOLS 10 Through-hole 11 Toroidal core 12 Winding 13 Storage recess 14 Storage case 15 Terminal 16 Connection part 17 Mounting part 18 One side 19 Other side 20 Top lid 21 Outer peripheral surface 22 Bottom surface 23 Projection 24 Adhesive 25 Outer peripheral surface
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ Ｈ０１Ｆ 37/00 Ｈ０１Ｆ 15/02 Ｎ 31/00 Ｆ Ｇ Ａ (56)参考文献 特開 平９−148140（ＪＰ，Ａ) 特開 平８−172019（ＪＰ，Ａ) 実開 平４−96813（ＪＰ，Ｕ) 実開 平３−28825（ＪＰ，Ｕ) 実開 昭56−56611（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01F 27/29 H01F 27/02 H01F 27/28 H01F 30/00 H01F 37/00 ──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. 7 Identification code FI H01F 37/00 H01F 15/02 N 31/00 F GA (56) References JP-A-9-148140 (JP, A) Kaihei 8-172019 (JP, A) JP-A 4-96813 (JP, U) JP-A 3-28825 (JP, U) JP-A 56-56611 (JP, U) (58) Fields surveyed ( Int.Cl. 7 , DB name) H01F 27/29 H01F 27/02 H01F 27/28 H01F 30/00 H01F 37/00
Claims (4)
コアと、前記トロイダルコアに巻回した絶縁樹脂を被覆
した巻線と、前記巻線を巻回した前記トロイダルコアを
収納する収納凹部を有した収納ケースと、前記収納ケー
スに植設するとともに、前記巻線と接続する端子と、前
記収納ケースに係止するとともに、前記巻線を巻回した
前記トロイダルコアの上面を覆う上蓋ケースとを備え、
前記端子は、Ｌ字形状にするとともに、一端は前記巻線
を接続する接続部とし、他端は実装用の実装部とし、前
記接続部は前記収納ケースの一側面から突出させて上方
へ折曲するとともに、前記実装部は前記収納ケースの他
側面から突出させて下方へ折曲しており、前記接続部を
前記収納ケースまたは前記上蓋の外周面と略同一または
前記外周面よりも内包させたチョークトランス。1. A toroidal core having a ring shape having a through hole, a winding wound around the toroidal core and coated with an insulating resin, and a storage recess for housing the toroidal core wound with the winding. A storage case, a terminal that is implanted in the storage case and is connected to the winding, and an upper lid case that is locked to the storage case and covers an upper surface of the toroidal core around which the winding is wound. Prepared,
The terminal is L-shaped, one end is a connection part for connecting the winding, the other end is a mounting part for mounting, and the connection part is projected upward from one side surface of the storage case and folded upward. Along with bending, the mounting portion projects downward from the other side surface of the storage case and is bent downward, so that the connection portion is substantially the same as the outer peripheral surface of the storage case or the upper lid or included in the outer peripheral surface. Choke trance.
設け、前記突起部をトロイダルコアの貫通孔に挿入する
とともに、前記トロイダルコアの前記貫通孔内に接着剤
を塗布して、前記トロイダルコアと前記収納ケースと上
蓋とを接着した請求項１記載のチョークトランス。2. A protruding portion is provided on a bottom surface of a storage recess of the storage case, the protruding portion is inserted into a through hole of the toroidal core, and an adhesive is applied to the inside of the through hole of the toroidal core. The choke transformer according to claim 1, wherein the core, the storage case, and the upper lid are bonded.
覆した請求項１記載のチョークトランス。3. The choke transformer according to claim 1, wherein the surface of the toroidal core is coated with a fluororesin.
記載のチョークトランス。4. The method according to claim 1, wherein the insulating resin is a nylon resin.
Chalk transformer described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11444299A JP3336993B2 (en) | 1999-04-22 | 1999-04-22 | Choke transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11444299A JP3336993B2 (en) | 1999-04-22 | 1999-04-22 | Choke transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000306742A JP2000306742A (en) | 2000-11-02 |
| JP3336993B2 true JP3336993B2 (en) | 2002-10-21 |
Family
ID=14637848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11444299A Expired - Fee Related JP3336993B2 (en) | 1999-04-22 | 1999-04-22 | Choke transformer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3336993B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3808050B2 (en) * | 2003-03-17 | 2006-08-09 | Ｔｄｋ株式会社 | Surface mount package and electronic component using the same |
| JP2015216181A (en) * | 2014-05-09 | 2015-12-03 | 長野日本無線株式会社 | Winding component and method for manufacturing winding component |
| EP3874920B1 (en) * | 2018-11-01 | 2023-12-20 | Bourns, Inc. | Low-profile housing for electronic components |
| JP7211152B2 (en) * | 2019-02-25 | 2023-01-24 | 日立金属株式会社 | transformer device |
| CN110148514A (en) * | 2019-06-14 | 2019-08-20 | 深圳市京泉华科技股份有限公司 | The manufacturing method of transformer and transformer |
| JP7574602B2 (en) * | 2020-10-12 | 2024-10-29 | 株式会社プロテリアル | Magnetic core unit and noise filter using same |
-
1999
- 1999-04-22 JP JP11444299A patent/JP3336993B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000306742A (en) | 2000-11-02 |
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