JPH0528013U - Trance - Google Patents
TranceInfo
- Publication number
- JPH0528013U JPH0528013U JP7435191U JP7435191U JPH0528013U JP H0528013 U JPH0528013 U JP H0528013U JP 7435191 U JP7435191 U JP 7435191U JP 7435191 U JP7435191 U JP 7435191U JP H0528013 U JPH0528013 U JP H0528013U
- Authority
- JP
- Japan
- Prior art keywords
- winding
- insulating resin
- transformer
- embossing
- embosses
- 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
- Insulating Of Coils (AREA)
Abstract
(57)【要約】
【目的】 スイッチング電源などに用いられるトランス
に関し、簡単な構成で絶縁性樹脂の浸透性を高め絶縁性
に優れた信頼性の高いトランスを提供することを目的と
する。
【構成】 コイルボビン11に両端部に一定間隔ごとに
突出するエンボス13を設けるとともにこの両端のエン
ボス13間に線状のエンボス14を設けた絶縁フィルム
15を層間絶縁シートとして巻線を施し、ケース17に
絶縁性樹脂18とともに収納し、磁心19を組込んで信
頼性の高いトランスを得る。
(57) [Summary] [Object] With regard to a transformer used for a switching power supply or the like, it is an object of the present invention to provide a highly reliable transformer having an insulating resin having a high penetration with a simple structure. A coil bobbin 11 is provided with embossments 13 projecting at regular intervals at both ends, and an insulating film 15 provided with linear embosses 14 between the embosses 13 at both ends is wound as an interlayer insulating sheet to form a winding. It is housed together with the insulating resin 18 and the magnetic core 19 is incorporated to obtain a highly reliable transformer.
Description
【0001】[0001]
本考案はスイッチング電源などに用いられるトランスに関するものである。 The present invention relates to a transformer used for a switching power supply or the like.
【0002】[0002]
近年、放熱効果、絶縁距離の縮小をねらいとして絶縁性樹脂を注入したトラン スが増えつつある。従来のトランスは図4,図5のように両端に鍔を有するコイ ルボビン1に巻線2を層間絶縁シート3を介して巻回し外装には板シート状に形 成したフィルム4を巻付け、ケース5に収納し絶縁性樹脂6を充填し、これに磁 心7を組込んで構成されていた。 In recent years, an increasing number of transformers have been injected with an insulating resin in order to reduce the heat dissipation effect and insulation distance. In a conventional transformer, as shown in FIGS. 4 and 5, a coil 2 having a collar at both ends is wound with a winding 2 through an interlayer insulating sheet 3 and a film 4 formed into a plate sheet is wound around the exterior. It was constructed by housing it in a case 5, filling it with an insulating resin 6, and incorporating a magnetic core 7 therein.
【0003】[0003]
しかしながら上記の従来の板シート状に形成したフィルム4では絶縁性樹脂6 の流動性が悪く巻線2の線輪間に流れ込みにくくボイド8が生じ易く真空注入が 不完全であり、且つ各巻線2の両端の絶縁距離の確保にスペーシングテープ9な どを使用していた。 However, in the case of the film 4 formed in the above-mentioned conventional plate sheet, the flowability of the insulating resin 6 is poor and it is difficult for the insulating resin 6 to flow between the loops of the winding wire 2 and voids 8 are easily formed, and the vacuum injection is incomplete. Spacing tape 9 was used to secure the insulation distance between both ends.
【0004】 このため、絶縁性が十分でなく絶縁破壊が発生しやすく、且つコスト面で不利 になるといった欠点をもつものであった。For this reason, there are drawbacks that the insulation is not sufficient, dielectric breakdown easily occurs, and the cost becomes disadvantageous.
【0005】 本考案はこのような従来の課題を解決するものであり簡単な構造で絶縁性樹脂 の浸透性を高め且つ各巻線の両端の絶縁距離の確保を容易に行うことのできるト ランスを提供することを目的としている。The present invention solves such a conventional problem, and provides a transformer which has a simple structure to enhance the permeation of the insulating resin and to easily secure the insulation distance between both ends of each winding. It is intended to be provided.
【0006】[0006]
上記課題を解決するために本考案は両端に鍔を有するコイルボビンに複数の巻 線を巻回し、この各巻線の各層間に巻幅方向の両端部にエンボスを設けるととも にこの両端のエンボス間に線状のエンボスを設けた絶縁フィルムを介在させ、こ の巻線を施したコイルボビンを絶縁性樹脂とともにケースに収納し、このケース に磁心を組込んで構成したものである。 In order to solve the above-mentioned problems, the present invention winds a plurality of windings around a coil bobbin having a collar at both ends, and provides embossing at both ends in the winding width direction between each layer of each winding and between the embossing at both ends. The coil bobbin with this winding is housed together with an insulating resin in a case with an insulating film provided with a linear embossing on the inside, and the magnetic core is incorporated in this case.
【0007】[0007]
上記した構成により両端のエンボスによって絶縁性樹脂の浸透性を高め、両端 のエンボス間に設けたエンボスによってスペーシングテープの使用なしでも各線 輪両端間の絶縁距離の確保を可能にすることができる。 With the above structure, the penetration of the insulating resin can be enhanced by the embossing on both ends, and the embossing provided between the embossing on both ends can ensure the insulation distance between both ends of each ring without using a spacing tape.
【0008】[0008]
以下、本考案の一実施例について図1〜図3を参照しながら説明する。 An embodiment of the present invention will be described below with reference to FIGS.
【0009】 両端に鍔10を設けたコイルボビン11に巻線12を巻回し各巻線12の層間 の絶縁及び外装として巻線の巻幅方向の両端部に一定間隔をもって規則的に突出 させたエンボス13を設け、その両端のエンボス13の間に巻線方向に直角に線 状のエンボス14を一定間隔毎に設けた絶縁フィルム15を巻回し且つ巻線12 は両端のエンボス10の内側になるように位置し、コイルボビン11の鍔10に 植設されている板状の金属端子16の一端に巻線12の引き出し線を巻付けて接 続し半田付け処理を施した後、突出した板状の金属端子16をフォーミングして ケース17に組み込み、このケース17内に絶縁性樹脂18を注入し硬化させ、 このケース17の外側からEEなどのフェライトからなる磁心19を組み込み、 接着剤などで固定しトランスを構成している。A winding 12 is wound around a coil bobbin 11 having flanges 10 at both ends, and an embossment 13 is regularly projected at regular intervals at both ends in the winding width direction of the winding as insulation and an exterior between layers of each winding 12. The insulating film 15 in which linear embosses 14 are provided at regular intervals between the embosses 13 at both ends of the insulating film 15 is wound, and the winding 12 is inside the embosses 10 at both ends. The lead wire of the winding wire 12 is wound around and connected to one end of a plate-shaped metal terminal 16 which is located in the collar 10 of the coil bobbin 11 and is then soldered. The terminals 16 are formed and assembled in the case 17, and the insulating resin 18 is injected into the case 17 and hardened, and the magnetic core 19 made of ferrite such as EE is assembled from the outside of the case 17, and the contact is made. It is fixed with adhesive and forms a transformer.
【0010】 上記構成で、巻線12の層間に挿入される絶縁フィルム15は、図3に示すよ うに両端のエンボス13によって各巻線層の巻幅を一定に保ち、しかも巻線12 の両端部が位置規制され絶縁距離の確保が図れる。また、巻線12を巻回するこ とによって線状のエンボス14は巻線12の巻回される位置で変形して巻線位置 を維持するとともに絶縁性樹脂18を注入したとき、上記両端のエンボス13間 を通って流入してきたものをこの線状のエンボス14に沿って巻線部に注入して 十分な浸透が行え、ボイドが発生するようなことはなくなり、この点でも絶縁性 の向上が図れることになる。With the above-described structure, the insulating film 15 inserted between the layers of the winding wire 12 maintains the winding width of each winding layer by the embosses 13 at both ends as shown in FIG. The position is regulated and the insulation distance can be secured. When the winding 12 is wound, the linear embossing 14 is deformed at the winding position of the winding 12 to maintain the winding position and when the insulating resin 18 is injected, What has flowed in between the embosses 13 is injected along the linear embossing 14 into the winding portion for sufficient penetration, and voids are not generated. In this respect also, the insulation is improved. Will be achieved.
【0011】[0011]
以上の実施例からも明らかなように、巻線の層間に絶縁のために挿入される絶 縁フィルムとして両端に一定間隔ごとに突出するエンボスを設けるとともにこの 両端のエンボス間に線状のエンボスを設けたものを用いているため、巻線の端部 は両端のエンボスで位置決めされて絶縁距離の確保が図れるとともにこの両端の エンボスで絶縁性樹脂の浸透を容易とし、しかも線状のエンボスで各層の巻線間 に十分に浸透し、ボイドなどが発生することもなく巻線の絶縁性の向上が図れ信 頼性に富んだものとなり、実用的価値の大なるものである。 As is clear from the above examples, embossing protruding at regular intervals is provided at both ends as an insulating film inserted for insulation between winding layers, and linear embossing is provided between the embossing at both ends. Since the wire is provided, the ends of the winding are positioned by embossing on both ends to secure the insulation distance, and the embossing on both ends facilitates the penetration of the insulating resin. The wire has a good practical value because it penetrates sufficiently between the windings, voids are not generated, and the insulation of the windings is improved, making it highly reliable.
【図1】本考案のトランスの一実施例を示す要部の分解
斜視図FIG. 1 is an exploded perspective view of essential parts showing an embodiment of a transformer of the present invention.
【図2】同トランスの断面図FIG. 2 is a sectional view of the transformer.
【図3】同要部の拡大断面図FIG. 3 is an enlarged cross-sectional view of the main part.
【図4】従来のトランスの断面図FIG. 4 is a sectional view of a conventional transformer.
【図5】同要部の拡大断面図FIG. 5 is an enlarged cross-sectional view of the relevant part.
10 鍔 11 コイルボビン 12 巻線 13 両端のエンボス 14 線状のエンボス 15 絶縁フィルム 16 金属端子 17 ケース 18 絶縁性樹脂 19 磁心 10 Tsuba 11 Coil bobbin 12 Winding 13 Embossing 14 on both ends 14 Wire-like embossing 15 Insulating film 16 Metal terminal 17 Case 18 Insulating resin 19 Magnetic core
Claims (1)
線を巻回し、この各巻線の各層間に巻幅方向の両端部に
一定間隔ごとに突出するエンボスを設けるとともにこの
両端のエンボス間に線状のエンボスを設けた絶縁フィル
ムを介在させ、この巻線を施したコイルボビンを絶縁性
樹脂とともにケースに収納し、このケースに磁心を組込
んで構成したトランス。1. A plurality of windings are wound around a coil bobbin having a collar at both ends, and embossments projecting at regular intervals are provided at both ends in the winding width direction between respective layers of each winding, and between the embosses at both ends. A transformer having a coil bobbin wound with this winding and an insulating resin interposed in a case with an insulating film provided with a linear embossing interposed, and a magnetic core incorporated in the case.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7435191U JPH0528013U (en) | 1991-09-17 | 1991-09-17 | Trance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7435191U JPH0528013U (en) | 1991-09-17 | 1991-09-17 | Trance |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0528013U true JPH0528013U (en) | 1993-04-09 |
Family
ID=13544622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7435191U Pending JPH0528013U (en) | 1991-09-17 | 1991-09-17 | Trance |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0528013U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107808762A (en) * | 2017-12-26 | 2018-03-16 | 天津光电润达电子有限公司 | A kind of ensuring method of high-voltage coil insulation distance |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS628621B2 (en) * | 1981-04-13 | 1987-02-24 | Matsuda Kk |
-
1991
- 1991-09-17 JP JP7435191U patent/JPH0528013U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS628621B2 (en) * | 1981-04-13 | 1987-02-24 | Matsuda Kk |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107808762A (en) * | 2017-12-26 | 2018-03-16 | 天津光电润达电子有限公司 | A kind of ensuring method of high-voltage coil insulation distance |
CN107808762B (en) * | 2017-12-26 | 2023-05-26 | 天津光电惠高电子有限公司 | Method for guaranteeing insulation distance of high-voltage coil |
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