JP3463260B2 - Coil parts and their mounting structure - Google Patents
Coil parts and their mounting structureInfo
- Publication number
- JP3463260B2 JP3463260B2 JP32576298A JP32576298A JP3463260B2 JP 3463260 B2 JP3463260 B2 JP 3463260B2 JP 32576298 A JP32576298 A JP 32576298A JP 32576298 A JP32576298 A JP 32576298A JP 3463260 B2 JP3463260 B2 JP 3463260B2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- bobbin
- coil component
- case
- 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 - Lifetime
Links
Landscapes
- Housings And Mounting Of Transformers (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ノイズフィルタ、
ラインフィルタまたはトランス等に使用されるコイル部
品とその取付構造に係り、特に多種少数生産の傾向があ
る大電流用のコイル部品において、部品の共用化が行え
てコスト低減が図れるものに関する。TECHNICAL FIELD The present invention relates to a noise filter,
The present invention relates to a coil component used for a line filter, a transformer, or the like and a mounting structure thereof, and particularly to a large current coil component which tends to be produced in a small number of types and which can be shared and can reduce costs.
【０００２】[0002]
【従来の技術】この種のノイズフィルタ等のコイル部品
として、特開平７−４５４５７号公報に開示されている
ものは、金属製ケースの内底部に絶縁台を設け、該絶縁
台に、コイル、コアおよびボビンからなるコイル組立体
をセットして固定金具により固定し、該絶縁台に設けた
中継端子を、金属製ケースの両端の端子に接続すると共
に、コイル端部と前記中継端子とを接続する構造を有し
ている。2. Description of the Related Art A coil component such as a noise filter of this type is disclosed in Japanese Patent Application Laid-Open No. 7-45457, in which an insulating base is provided on the inner bottom of a metal case, and the coil is attached to the insulating base. A coil assembly consisting of a core and a bobbin is set and fixed by fixing metal fittings, and the relay terminals provided on the insulating base are connected to the terminals at both ends of the metal case, and the coil end and the relay terminal are connected. It has a structure that
【０００３】また、実開平７−７１２３号公報に開示さ
れているものは、フランジ付きボビン組立体をフランジ
部分にて嵌合し、注型用放熱ベースに樹脂を注型してコ
イル下部のみが樹脂に浸る構造としている。Further, in the one disclosed in Japanese Utility Model Laid-Open No. 7-7123, a bobbin assembly with a flange is fitted at a flange portion, and a resin is cast on a heat radiating base for casting so that only the lower portion of the coil is covered. The structure is soaked in resin.
【０００４】[0004]
【発明が解決しようとする課題】上述した各公報に開示
されたものは、電流容量が変わるごとに異なる断面積の
線材や異なるサイズのボビン等を使用する等、それぞれ
別の部品として構成する必要があり、多種少量生産の傾
向がある大電流用のコイル部品を製造する場合、多くの
サイズの線材と、多くの種類の成形金型を備える必要が
あり、管理の煩雑さとコスト高を招くという問題点があ
る。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention The materials disclosed in the above-mentioned publications need to be configured as separate parts, such as using wire rods having different cross-sectional areas and bobbins of different sizes depending on the change in current capacity. However, when manufacturing coil components for large currents, which tend to be produced in various types in small quantities, it is necessary to have many sizes of wire rods and many types of molding dies, resulting in complicated management and high cost. There is a problem.
【０００５】本発明は、上記問題点に鑑み、同じボビン
や線材等の構成部材を異なる電流容量のコイル部品に適
用でき、部品管理が容易となり、コスト低減が達成でき
るコイル部品とその取付構造を提供することを目的とす
る。In view of the above problems, the present invention provides a coil component and its mounting structure in which the same bobbin, wire member or the like can be applied to coil components having different current capacities, component management becomes easy, and cost reduction can be achieved. The purpose is to provide.
【０００６】[0006]
【課題を解決するための手段】請求項１のコイル部品
は、鍔部を有するボビンの筒部にコイルを巻いて構成さ
れるコイル部品において、ボビンの鍔部の外周面に少な
くとも２つの取付面を設け、これらの取付面の筒部中心
からの距離を異ならせたことを特徴とする。A coil component according to claim 1 is a coil component constructed by winding a coil around a tubular portion of a bobbin having a collar portion, wherein at least two mounting surfaces are provided on an outer peripheral surface of the collar portion of the bobbin. Are provided, and the distances of these mounting surfaces from the center of the cylindrical portion are made different.
【０００７】このように構成すれば、ボビンの筒部中心
からの距離が大である取付面を使用して基板やケースに
コイル部品を取付ければ、絶縁距離が容易に確保でき
る。一方、ボビンの筒部中心からの距離が小である取付
面を使用し、絶縁材や注形樹脂あるいは放熱材等を使用
して基板やケースにコイル部品を取付ければ、コイルに
おいて発生する熱が基板やケースに容易に放熱され、大
電流用のコイル部品として構成できる。従って、異なる
定格電流値に対応できるコイル部品を同じボビン、さら
に必要に応じてコイルも同じものを用いて構成すること
ができる。According to this structure, the insulation distance can be easily secured by mounting the coil component on the substrate or the case using the mounting surface having a large distance from the center of the cylindrical portion of the bobbin. On the other hand, if the coil surface is attached to the board or case by using the mounting surface with a small distance from the center of the bobbin cylinder and using insulating material, casting resin, or heat radiation material, the heat generated in the coil Is easily radiated to the board or case, and can be configured as a coil component for large current. Therefore, it is possible to use the same bobbin as the coil component that can cope with different rated current values, and use the same coil if necessary.
【０００８】請求項２のコイル部品の取付構造は、請求
項１のコイル部品の取付構造であって、前記ボビンの筒
部中心との距離が近い取付面側のコイル面と、コイル部
品を取付ける基板またはケースとの間に放熱または絶縁
シートを介在させてコイル部品を取付けたことを特徴と
する。A coil component mounting structure according to a second aspect is the coil component mounting structure according to the first aspect, in which the coil surface on the mounting surface side having a short distance from the center of the cylindrical portion of the bobbin and the coil component are mounted. It is characterized in that the coil component is attached with a heat radiation or an insulating sheet interposed between the substrate and the case.
【０００９】このように、ボビンの筒部中心に近い側の
取付面のコイル面を放熱シートを介して基板またはケー
スに取付けることにより、放熱性能が上がり、大電流用
のコイル部品の取付構造が得られる。Thus, by mounting the coil surface of the mounting surface near the center of the bobbin cylinder to the substrate or case via the heat dissipation sheet, the heat dissipation performance is improved and the mounting structure of the coil component for large current is improved. can get.
【００１０】請求項３のコイル部品の取付構造は、請求
項２において、前記放熱または絶縁シートを、前記鍔部
とケースまたは基板との間に介在させたことを特徴とす
る。According to a third aspect of the present invention, there is provided a coil component mounting structure according to the second aspect, wherein the heat dissipation or insulating sheet is interposed between the collar portion and the case or the substrate.
【００１１】このように、コイル面のみならず、鍔部と
基板またはケースとの間にも介在するように延出させる
ことにより、絶縁性を高めたコイル部品の取付構造を得
ることができる。As described above, by extending not only the coil surface but also the flange portion and the substrate or the case, it is possible to obtain a coil component mounting structure with improved insulation.
【００１２】[0012]
【発明の実施の形態】図１（ａ）は本発明によるコイル
部品の一実施の形態を示す分解斜視図、図１（ｂ）はそ
のボビンの側面図、図２（ａ）、（ｂ）はそのコイル組
立体のケースとの組立構造を示す断面図である。図１、
図２において、１はボビンであり、本発明は一体型ボビ
ンにも適用できるが、本例のボビン１は、２つのボビン
素体２、３の組み合わせによりボビン１を構成するもの
を示す。ボビン素体２、３はそれぞれ筒部２ａ、３ａと
鍔部２ｂ、３ｂとからなり、筒部２ａ、３ａの先端を凹
凸嵌合して組み合わせる構造を有する。なお、図１
（ａ）では２本筒部２ａの先端がいずれも凸形状、筒部
３ａの形状が凹形状になっているが、ボビン素体２の各
２本の筒部２ａ、２ａの一方を凸形状、他方を凹形状と
し、他方のボビン素体３の２本の筒部３ａ、３ａの一方
を凹形状、他方を凸形状として、これらのボビン素体
２、３の筒部の先端が相互に凹凸嵌合される構造とする
ことにより、ボビン素体２、３を同一の形状としてボビ
ン素体２、３の共用化を図ることができる。1 (a) is an exploded perspective view showing an embodiment of a coil component according to the present invention, FIG. 1 (b) is a side view of the bobbin, and FIGS. 2 (a) and 2 (b) are shown. FIG. 6 is a cross-sectional view showing an assembly structure of the coil assembly with a case. Figure 1,
In FIG. 2, reference numeral 1 denotes a bobbin, and the present invention can be applied to an integral type bobbin, but the bobbin 1 of the present example shows that the bobbin 1 is constituted by a combination of two bobbin element bodies 2 and 3. The bobbin bodies 2 and 3 are composed of tubular portions 2a and 3a and flange portions 2b and 3b, respectively, and have a structure in which the tips of the tubular portions 2a and 3a are fitted into and recessed from each other to be combined. Note that FIG.
In (a), the tips of the two tubular portions 2a are both convex and the tubular portion 3a is concave, but one of the two tubular portions 2a, 2a of the bobbin element body 2 is convex. , The other has a concave shape, one of the two tubular portions 3a, 3a of the other bobbin element body 3 has a concave shape, and the other has a convex shape, and the tips of the tubular portions of these bobbin element bodies 2, 3 are mutually By using the structure in which the bobbin bodies 2 and 3 have the same shape, the bobbin bodies 2 and 3 can be commonly used.
【００１３】４、５はコイルであり、本発明において
は、コイル４、５として丸線を使用することも可能であ
るが、本例のコイル４、５は大電流（２０Ａ〜３００
Ａ、好ましくは５０Ａ〜２００Ａ）で使用可能でしかも
小型に構成するために平角線を使用し、コイルの半径方
向の線材幅が巻心方向の線材幅より大となるように縦巻
きに巻かれている。６はコイル４、５間に介在させるよ
うに、筒部２ａ、３ａに孔６ａを嵌合して設ける絶縁板
である。７、８はＵ型コアであり、９は締結用Ｕボル
ト、１０は締結用金具、１１はナットである。Numerals 4 and 5 are coils, and in the present invention, it is possible to use round wires as the coils 4 and 5, but the coils 4 and 5 of this example have a large current (20 A to 300 A).
A, preferably 50 A to 200 A), and uses a rectangular wire to make it compact, and is wound in a vertical winding so that the wire width in the radial direction of the coil is larger than the wire width in the winding direction. ing. An insulating plate 6 is provided by fitting holes 6a in the cylindrical portions 2a and 3a so as to be interposed between the coils 4 and 5. Reference numerals 7 and 8 are U-shaped cores, 9 is a fastening U bolt, 10 is a fastening metal fitting, and 11 is a nut.
【００１４】前記鍔部２ｂ、３ｂは、その外周面である
上下面にそれぞれねじ孔からなる取付孔１２を有するこ
とにより取付面１３、１４とする。図１（ｂ）に示すよ
うに、一方の取付面１３の筒部２ａ、３ａの軸心からの
距離Ｌ１と、他方の取付面１４の筒部２ａ、３ａの軸心
からの距離Ｌ２とは異ならせ、Ｌ１＜Ｌ２とする。The collar portions 2b and 3b have mounting holes 12 formed of screw holes on the upper and lower surfaces which are the outer peripheral surfaces thereof, and are used as the mounting surfaces 13 and 14, respectively. As shown in FIG. 1B, the distance L1 from the axial center of the tubular portions 2a and 3a of the one mounting surface 13 and the distance L2 from the axial center of the tubular portions 2a and 3a of the other mounting surface 14 are Differently, L1 <L2.
【００１５】図２（ａ）に示すように、このコイル部品
は、ボビン素体２、３、コイル４、５、絶縁板６、コア
７、８を組合わせてＵボルト９と締結用金具１０とナッ
ト１１により組み合わせてチョークコイルを構成する。As shown in FIG. 2A, in this coil component, the bobbin elements 2, 3, the coils 4, 5, the insulating plate 6, and the cores 7, 8 are combined to form a U bolt 9 and a fastening metal fitting 10. And the nut 11 are combined to form a choke coil.
【００１６】図２（ａ）において、１５は金属製ケー
ス、１６はその金属製蓋であり、これらは相互の嵌合部
をねじ（図示せず）によって結合することにより一体的
に組合わされる。図２（ａ）の例は、ボビンの筒部中心
から遠い方の取付面１４をケース１５の底板１５ａに当
て、該底板１５ａに貫通するねじ１７を前記取付孔１２
にねじ込むことにより、ボビン１、すなわちコイル部品
をケース１５に固定している。本例の構造は、比較的定
格電流値の小さい場合の実施の形態である。尚、フィル
タを構成する場合、ケース１５内にはコンデンサ等を設
けるが、図示していない。In FIG. 2A, reference numeral 15 is a metal case, and 16 is a metal lid thereof, which are integrally combined by connecting mutual fitting portions with screws (not shown). . In the example of FIG. 2A, the mounting surface 14 farther from the center of the cylindrical portion of the bobbin is applied to the bottom plate 15a of the case 15, and a screw 17 penetrating the bottom plate 15a is attached to the mounting hole 12a.
The bobbin 1, that is, the coil component, is fixed to the case 15 by being screwed into. The structure of this example is an embodiment in which the rated current value is relatively small. It should be noted that although a capacitor or the like is provided in the case 15 when configuring the filter, it is not shown.
【００１７】一方、図２（ｂ）と、図３（ａ）の端面図
と、そのＥ−Ｅ断面図である図３（ｂ）に示すように、
筒部２ａ、３ａの中心との距離が近い取付面１３側のコ
イル面と、ケース１５の底板１５ａとの間にシリコン樹
脂製のシート等の放熱シート（または雲母やＰＥＴ等の
比較的安価な絶縁シート）１９を介在させて取付けるこ
とにより、コイル４、５の熱がケース１５に伝達されや
すくなって放熱性能が上がり、図２（ａ）の場合より大
電流用のコイル部品が実現される。なお、ここで放熱シ
ート、絶縁シートと称するものは、主たる目的によって
名称を変えたもので、放熱シートも電気絶縁性のもので
あり、絶縁シートもある程度の伝熱性を有するものであ
る。On the other hand, as shown in FIG. 2 (b), the end view of FIG. 3 (a), and FIG.
Between the coil surface on the side of the mounting surface 13 close to the centers of the tubular portions 2a and 3a and the bottom plate 15a of the case 15, a heat dissipation sheet such as a silicon resin sheet (or a relatively inexpensive mica or PET) is used. By mounting with the insulating sheet 19 interposed therebetween, the heat of the coils 4 and 5 is easily transferred to the case 15 to improve the heat dissipation performance, and a coil component for a large current is realized as compared with the case of FIG. 2A. . In addition, what is called a heat dissipation sheet and an insulating sheet here changes the name according to the main purpose, the heat dissipation sheet is also electrically insulating, and the insulating sheet also has a certain degree of heat conductivity.
【００１８】また、図３（ａ）、（ｂ）に示すように、
鍔部２ｂ（３ｂも同様）の取付面１３に放熱または絶縁
シート１９を収容する凹部１８を設け、コイル面に当て
る放熱または絶縁シート１９を該鍔部２ｂ、３ｂにおい
て重ねてケース底板１５ａに該放熱または絶縁シート１
９を密着させるように、放熱または絶縁シート１９を延
出させることにより、コイル４、５とケース１５との間
の絶縁性を向上させることができる。Further, as shown in FIGS. 3 (a) and 3 (b),
A recess 18 for accommodating the heat dissipation or insulating sheet 19 is provided on the mounting surface 13 of the flange portion 2b (similarly to 3b), and the heat dissipation or insulating sheet 19 applied to the coil surface is overlapped at the flange portions 2b, 3b to overlap the case bottom plate 15a. Heat dissipation or insulation sheet 1
By dissipating heat or extending the insulating sheet 19 so as to bring the 9 into close contact, the insulation between the coils 4 and 5 and the case 15 can be improved.
【００１９】図３（ｃ）は鍔部２ｂの前記取付面１３側
に、前記放熱または絶縁シート１９の端部を収容しかつ
ケース底板１５ａのずれを防ぐストッパ付の収容部２０
を形成した例であり、本例によれば、前記絶縁性、放熱
性を向上させることができる上、放熱または絶縁シート
１９のずれを防ぐことができる。FIG. 3C shows an accommodating portion 20 with a stopper for accommodating the end portion of the heat dissipation or insulating sheet 19 and preventing the case bottom plate 15a from being displaced on the mounting surface 13 side of the collar portion 2b.
According to this example, it is possible to improve the insulating property and the heat dissipation property, and at the same time, it is possible to prevent the heat dissipation or the displacement of the insulating sheet 19.
【００２０】図３（ｄ）は単に放熱または絶縁シート１
９をコイル面とケース底板１５ａとの間に介在させた例
であり、この場合の絶縁性は放熱または絶縁シート１９
の厚みｔによって決定される。一方、図３（ｅ）のよう
に、放熱または絶縁シート１９を鍔部２ｂに重ねる構造
とすれば、コイル４の端部からシート１９の端部までの
距離をＬ３として、ケース底板１５ａとの間に（ｔ＋Ｌ
３）の沿面距離を得ることができ、絶縁性を高めること
ができ、比較的高い電圧の機器に用いることができる。FIG. 3 (d) simply shows heat dissipation or insulation sheet 1
9 is an example in which the coil 9 is interposed between the coil surface and the case bottom plate 15a.
Is determined by the thickness t. On the other hand, as shown in FIG. 3 (e), if the heat dissipation or insulating sheet 19 is superposed on the flange portion 2b, the distance from the end portion of the coil 4 to the end portion of the sheet 19 is L3, and the case bottom plate 15a. Between (t + L
The creepage distance of 3) can be obtained, the insulating property can be improved, and the device can be used for a device having a relatively high voltage.
【００２１】図４（ａ）は本発明の他の実施の形態を示
す断面図であり、これは前記ねじ１７を用いることな
く、注型樹脂２１によりコイル部品をケース１５内に固
定した例であり、注型樹脂２１がコイル４、５の側面に
接することにより、絶縁性と放熱性の向上効果が得られ
る。FIG. 4A is a sectional view showing another embodiment of the present invention. This is an example in which the coil component is fixed in the case 15 by the casting resin 21 without using the screw 17. Therefore, the casting resin 21 comes into contact with the side surfaces of the coils 4 and 5, so that the effect of improving the insulating property and the heat radiation property is obtained.
【００２２】図４（ｂ）はさらに本発明の他の実施の形
態を示す断面図であり、ボビンの鍔部２ｂ、３ｂの両面
の取付面１３、１４をそれぞれケース１５の蓋１６と底
板１５ａにねじ１７によって固定し、ボビン筒部に近い
取付面１３側には、コイル面および鍔部２ｂ、３ｂと蓋
１６との間に放熱または絶縁シート１９を介在させたも
のである。このような取付構造とすれば、ケース１５と
内部のコイル部品とが互いに補強され、剛性が大であっ
て振動に対して強く、電気的信頼性の高いコイル部品を
得ることができる。FIG. 4 (b) is a sectional view showing another embodiment of the present invention, in which the mounting surfaces 13 and 14 on both sides of the collar portions 2b and 3b of the bobbin are attached to the lid 16 of the case 15 and the bottom plate 15a, respectively. It is fixed by screws 17 on the mounting surface 13 side close to the bobbin cylinder, and a heat radiation or insulating sheet 19 is interposed between the coil surface and the collar portions 2b, 3b and the lid 16. With such a mounting structure, it is possible to obtain a coil component in which the case 15 and the internal coil component are reinforced with each other, have high rigidity, are strong against vibration, and have high electrical reliability.
【００２３】本発明は、３相用のものとして構成するこ
ともでき、また、ボビンが２個の筒部を有するものでは
なく、１個の筒部を有するノーマルモードのチョークコ
イルとして構成することもできる。また、ボビンやコア
あるいはそのボビンへの固定構造も種々に変更可能であ
る。また、本発明は、コイル部品を基板に取付ける場合
にも適用できる。また、鍔部に設ける取付面は２面では
なく３面あるいは４面とすることもできる。The present invention can also be constructed as a three-phase one, and the bobbin is not a two-cylindrical cylinder but a normal mode choke coil having one cylinder. You can also Further, the bobbin, the core, or the structure for fixing the bobbin to the bobbin can be variously changed. The present invention can also be applied to the case where the coil component is attached to the board. Further, the mounting surface provided on the flange portion may be three or four instead of two.
【００２４】[0024]
【発明の効果】請求項１によれば、ボビンの鍔部の外周
面に少なくとも２つの取付面を設け、これらの取付面の
筒部中心からの距離を異ならせたので、取付面を変える
ことにより、異なる定格電流値に対応できるコイル部品
を同じボビン、さらに必要に応じてコイルも同じものを
用いて構成することができる。このため、多種少数生産
のコイル部品の構成部材の共通化が図れ、部品管理の容
易化並びにコスト低減が達成できる。According to the present invention, since at least two mounting surfaces are provided on the outer peripheral surface of the collar portion of the bobbin and the distances of these mounting surfaces from the center of the tubular portion are different, the mounting surfaces can be changed. Thus, it is possible to use the same bobbin for the coil components that can cope with different rated current values and, if necessary, use the same coil. For this reason, the components of the coil parts produced in a small number of types can be shared, and the parts management can be facilitated and the cost can be reduced.
【００２５】請求項２によれば、前記ボビンの筒部中心
との距離が近い取付面側のコイル面と、コイル部品を取
付ける基板またはケースとの間に放熱または絶縁シート
を介在させてコイル部品を取付けたので、放熱性能が上
がり、大電流用のコイル部品の取付構造が得られる。According to the second aspect of the present invention, the coil component is provided by interposing a heat radiating or insulating sheet between the coil surface on the mounting surface side which is close to the center of the cylindrical portion of the bobbin and the substrate or case on which the coil component is mounted. Since the is attached, the heat dissipation performance is improved, and a coil current attachment structure for large current can be obtained.
【００２６】請求項３によれば、前記放熱または絶縁シ
ートを前記鍔部とケースまたは基板との間に介在させた
ので、絶縁性を高めたコイル部品の取付構造を得ること
ができる。According to the third aspect, since the heat dissipation or insulating sheet is interposed between the flange portion and the case or the substrate, it is possible to obtain a coil component mounting structure with improved insulation.
【図１】（ａ）は本発明によるコイル部品の一実施の形
態を示す分解斜視図、（ｂ）はそのボビンの側面図であ
る。FIG. 1A is an exploded perspective view showing an embodiment of a coil component according to the present invention, and FIG. 1B is a side view of the bobbin.
【図２】（ａ）、（ｂ）は本実施の形態のコイル部品の
ケースとの組立構造を示す断面図である。2A and 2B are cross-sectional views showing an assembly structure of the coil component according to the present embodiment and a case.
【図３】（ａ）は本実施の形態のコイル部品の取付構造
を示す端面図、（ｂ）は（ａ）のＥ−Ｅ断面図、（ｃ）
は（ｂ）の変形例を示す断面図、（ｄ）、（ｅ）は放熱
または絶縁シートの取付構造と絶縁性を説明する断面図
である。3A is an end view showing a mounting structure of a coil component of the present embodiment, FIG. 3B is a sectional view taken along line EE of FIG. 3A, and FIG.
[FIG. 7] is a cross-sectional view showing a modified example of (b), and (d) and (e) are cross-sectional views for explaining the heat dissipation or the insulating sheet mounting structure and the insulating property.
【図４】（ａ）、（ｂ）はそれぞれ本発明の他の実施の
形態を示す断面図である。4 (a) and 4 (b) are cross-sectional views showing another embodiment of the present invention.
１：ボビン、２、３：ボビン素体、２ａ、３ａ：筒部、
２ｂ、３ｂ：鍔部、４、５：コイル、６：絶縁板、７、
８：コア、１２：取付孔、１３、１４：取付面、１５：
ケース、１５ａ：底板、１６：蓋、１７：ねじ、１８：
シート収容部、１９：放熱または絶縁シート、２０：ス
トッパ付収容部、２１：注型樹脂1: bobbin, 2, 3: bobbin element body, 2a, 3a: tubular portion,
2b, 3b: collar part, 4, 5: coil, 6: insulating plate, 7,
8: core, 12: mounting hole, 13, 14: mounting surface, 15:
Case, 15a: bottom plate, 16: lid, 17: screw, 18:
Sheet accommodating part, 19: heat dissipation or insulating sheet, 20: accommodating part with stopper, 21: cast resin
Claims (3)
て構成されるコイル部品において、 ボビンの鍔部の外周面に少なくとも２つの取付面を設
け、これらの取付面の筒部中心からの距離を異ならせた
ことを特徴とするコイル部品。1. A coil component constituted by winding a coil around a tubular portion of a bobbin having a collar portion, wherein at least two mounting surfaces are provided on the outer peripheral surface of the collar portion of the bobbin, and the center of the tubular portion of these mounting surfaces is provided. Coil parts characterized by different distances.
て、 前記ボビンの筒部中心との距離が近い取付面側のコイル
面と、コイル部品を取付ける基板またはケースとの間に
放熱または絶縁シートを介在させてコイル部品を取付け
たことを特徴とするコイル部品の取付構造。2. The coil component mounting structure according to claim 1, wherein heat is dissipated between a coil surface on the mounting surface side close to the center of the cylindrical portion of the bobbin and a board or case on which the coil component is mounted. A coil component mounting structure in which a coil component is mounted with an insulating sheet interposed.
基板との間に介在させたことを特徴とするコイル部品の
取付構造。3. The coil component mounting structure according to claim 2, wherein the heat dissipation or insulating sheet is interposed between the collar portion and the case or the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32576298A JP3463260B2 (en) | 1998-11-17 | 1998-11-17 | Coil parts and their mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32576298A JP3463260B2 (en) | 1998-11-17 | 1998-11-17 | Coil parts and their mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000150250A JP2000150250A (en) | 2000-05-30 |
| JP3463260B2 true JP3463260B2 (en) | 2003-11-05 |
Family
ID=18180348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32576298A Expired - Lifetime JP3463260B2 (en) | 1998-11-17 | 1998-11-17 | Coil parts and their mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3463260B2 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3619457B2 (en) * | 2001-01-11 | 2005-02-09 | 株式会社デンソー | Smoothing coil for large current smoothing |
| JP2006310550A (en) * | 2005-04-28 | 2006-11-09 | Tamura Seisakusho Co Ltd | Rector using pot core and composite reactor |
| JP4645417B2 (en) * | 2005-11-07 | 2011-03-09 | トヨタ自動車株式会社 | Reactor cooling structure and electrical equipment unit |
| JP4929904B2 (en) * | 2006-07-28 | 2012-05-09 | パナソニック株式会社 | Trance |
| JP2009194198A (en) * | 2008-02-15 | 2009-08-27 | Sumitomo Electric Ind Ltd | Reactor |
| JP5316468B2 (en) * | 2010-04-09 | 2013-10-16 | 株式会社豊田自動織機 | Reactor structure |
| JP6179701B2 (en) * | 2012-02-24 | 2017-08-16 | 住友電気工業株式会社 | Reactor, converter, and power converter |
| JP6045103B2 (en) * | 2012-11-16 | 2016-12-14 | 新電元工業株式会社 | Coil parts and mounting structure of coil parts |
| JP2014175631A (en) * | 2013-03-13 | 2014-09-22 | Omron Automotive Electronics Co Ltd | Magnetic device |
| EP2958118A1 (en) * | 2014-06-19 | 2015-12-23 | SMA Solar Technology AG | Inductor assembly comprising at least one inductor coil thermally coupled to a metallic inductor housing |
| WO2018116362A1 (en) | 2016-12-19 | 2018-06-28 | 三菱電機株式会社 | Air core reactor for rolling stock |
| CN113016047B (en) * | 2018-11-15 | 2023-04-11 | 株式会社自动网络技术研究所 | Electric reactor |
-
1998
- 1998-11-17 JP JP32576298A patent/JP3463260B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000150250A (en) | 2000-05-30 |
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