JPH0222525B2 - - Google Patents
Info
- Publication number
- JPH0222525B2 JPH0222525B2 JP11117884A JP11117884A JPH0222525B2 JP H0222525 B2 JPH0222525 B2 JP H0222525B2 JP 11117884 A JP11117884 A JP 11117884A JP 11117884 A JP11117884 A JP 11117884A JP H0222525 B2 JPH0222525 B2 JP H0222525B2
- Authority
- JP
- Japan
- Prior art keywords
- winding frame
- coil
- end flange
- tertiary
- transformer
- 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
Links
- 238000004804 winding Methods 0.000 claims description 56
- 239000000696 magnetic material Substances 0.000 claims description 12
- 238000009413 insulation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/027—Casings specially adapted for combination of signal type inductors or transformers with electronic circuits, e.g. mounting on printed circuit boards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
- H01F19/06—Broad-band transformers, e.g. suitable for handling frequencies well down into the audio range
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Coils Or Transformers For Communication (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は各種の音響機器、映像機器、産業機器
などに使用する変成器に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a transformer used in various audio equipment, video equipment, industrial equipment, etc.
従来例の構成とその問題点
近年エレクトロニクス産業の伸長は著しく、そ
の中で変成器の需要も増加の一途をたどつてい
る。そしてその変成器は広帯域伝送特性の向上、
性能安定、電気用品、UL、CSA等の安全規格ク
リヤー、安全性向上、更には低コストが要求され
ている。Conventional configurations and their problems The electronics industry has grown significantly in recent years, and the demand for transformers has also continued to increase. The transformer improves broadband transmission characteristics,
Stable performance, passing safety standards such as electrical appliances, UL, and CSA, improved safety, and low cost are required.
以下図面を参照しながら上述した様な従来の変
成器の巻枠、絶縁構造について説明する。 The winding frame and insulation structure of the conventional transformer as described above will be explained below with reference to the drawings.
第１図は従来の変成器の断面図、第２図は組立
図、第３図は挿入嵌合部の拡大図を示すものであ
る。１はEI形の磁性材、２は上端鍔２ａが小さ
く、下端鍔２ｂが大きく形成された１次巻枠、３
は上端鍔３ａが小さく、下端鍔３ｂが大きく形成
された２次巻枠、４は上端鍔４ａに内方鍔４ａを
有し、上端鍔４ａと下端鍔４ｂが小さく形成され
た３次巻枠、５はコ字状の絶縁フイルム、６は１
次巻枠２に巻回された１次コイル、７は２次巻枠
３に巻回された２次コイル、８は３次巻枠４に巻
回された３次コイルである。 FIG. 1 is a sectional view of a conventional transformer, FIG. 2 is an assembled view, and FIG. 3 is an enlarged view of an insertion fitting part. 1 is an EI type magnetic material, 2 is a primary winding frame with a small upper end flange 2a and a large lower end flange 2b, 3
4 is a secondary winding frame with a small upper end flange 3a and a large lower end flange 3b, and 4 is a tertiary winding frame with an inner flange 4a on the upper end flange 4a and a small upper end flange 4a and a lower end flange 4b. , 5 is a U-shaped insulating film, 6 is 1
The primary coil is wound around the secondary winding frame 2, the secondary coil 7 is wound around the secondary winding frame 3, and the tertiary coil 8 is wound around the tertiary winding frame 4.
以上のように構成された変成器について説明す
る。１次巻枠２に１次コイル６を巻装し２次巻枠
３を１次巻枠２の上部から挿入嵌合する。 The transformer configured as above will be explained. The primary coil 6 is wound around the primary winding frame 2, and the secondary winding frame 3 is inserted and fitted into the primary winding frame 2 from above.
そしてその２次巻枠３に２次コイル７を巻装
し、この２次巻枠３の上部から２次巻枠４を挿入
嵌合する。その後３次コイル８を巻装しリード線
を１次巻枠２の下端鍔に設けたピン端子９に接
続、半田付け工程を経て変成器のコイルが完成さ
れる。その後１次巻枠２の下端鍔の下面及び３次
巻枠４の上端鍔上面の磁性材が挿入される部分に
コの字型の絶縁フイルム５を両端にはめ込み磁性
材１を組み込む。そうすることによつて磁性材１
と２次コイル７との絶縁距離が確保でき各種安全
規格を満足することが可能となる。 The secondary coil 7 is wound around the secondary winding frame 3, and the secondary winding frame 4 is inserted and fitted from the upper part of the secondary winding frame 3. Thereafter, the tertiary coil 8 is wound, the lead wire is connected to the pin terminal 9 provided on the lower end collar of the primary winding frame 2, and the transformer coil is completed through a soldering process. Thereafter, a U-shaped insulating film 5 is fitted onto both ends of the lower surface of the lower end flange of the primary winding frame 2 and the upper surface of the upper end flange of the tertiary winding frame 4, where the magnetic material is to be inserted, and the magnetic material 1 is incorporated therein. By doing so, magnetic material 1
It is possible to ensure an insulation distance between the coil and the secondary coil 7, thereby satisfying various safety standards.
絶縁構造を第３図の拡大図を用いて説明する。
電気用品、UL、CSA等の規格の中で極性が異な
る充電部相互間、充電部とアースするおそれのあ
る非充電部間には空間距離が規定されている。絶
縁フイルム５を挿入しない場合の２次コイル７と
磁性材１の空気距離はａであり現状では規格を満
足することができない。そのため磁性材１と巻装
したコイル間に第２図のような絶縁フイルム５を
挿着する。空間距離はｃ＋ｂ＋ｃの寸法となり規
格を満足することができる。 The insulation structure will be explained using the enlarged view of FIG.
Standards for electrical appliances, UL, CSA, etc. stipulate spatial distances between live parts with different polarities, and between live parts and non-live parts that may be grounded. The air distance between the secondary coil 7 and the magnetic material 1 when the insulating film 5 is not inserted is a, which cannot currently satisfy the standard. Therefore, an insulating film 5 as shown in FIG. 2 is inserted between the magnetic material 1 and the wound coil. The spatial distance becomes c+b+c, which satisfies the standard.
しかしながら、上記のような構成では絶縁フイ
ルム５をわざわざ組込まねばならず、自動化が困
難でかつ材料費が高くつき、更に絶縁フイルム５
の絶縁厚み確保のため、巻線スペースが狭められ
るという欠点を有していた。 However, in the above configuration, the insulating film 5 must be specially incorporated, making automation difficult and increasing the material cost.
This had the disadvantage that the winding space was narrowed in order to ensure sufficient insulation thickness.
発明の目的
本発明は上記欠点に鑑み、自動化可能な構造で
部品点数低減を図り低コスト、高安全性、高性能
な変成器を提供することを目的とするものであ
る。OBJECTS OF THE INVENTION In view of the above drawbacks, it is an object of the present invention to provide a low-cost, highly safe, and high-performance transformer with an automatable structure and a reduced number of parts.
発明の構成
この目的を達成するために本発明の変成器は３
次巻枠の下端鍔に下方への折曲部を設け、その折
曲部がはまり込む切欠部を２次巻枠の下端鍔に設
け、互いにはめ合わすことによつて磁性材と２次
巻枠に巻装した２次コイルとの絶縁距離が確保で
きる構成とし、この構成とすることにより、部品
点数の削減と品質の安定化を図ることができる。Structure of the Invention To achieve this object, the transformer of the present invention has three
A downward bent part is provided on the lower end flange of the secondary reel, and a notch into which the bent part fits is provided on the lower end flange of the secondary reel, and by fitting them together, the magnetic material and the secondary reel The structure is such that an insulating distance between the coil and the secondary coil can be ensured, and by adopting this structure, it is possible to reduce the number of parts and stabilize quality.
実施例の説明
以下本発明の一実施例について図面を参照しな
がら説明する。第４図は変成器巻枠の分解斜視
図、第５図は本発明の変成器の断面図、第６図は
２次巻枠と３次巻枠の嵌合拡大図である。１１は
EI形のフエライトまたはケイ素鋼板の積層磁心
などからなる磁性材、１２は合成樹脂よりなり、
上端鍔１２ａが小さく、下端鍔１２ｂが大きく形
成された１次巻枠、１３は同じく上端鍔１３ａが
小さく、下端鍔１３ｂが大きく形成された２次巻
枠、１４は上端鍔１４ａと連続して内方に突出す
る内方鍔１４ｂを有し、下端鍔１４ｃの周縁に下
方への折曲部１４ｄを設けた３次巻枠、１６は１
次巻枠１２に巻装した１次コイル、１７は２次巻
枠１３に巻装した２次コイル、１８は３次巻枠１
４に巻装した３次コイル、１５は２次巻枠１３の
下端鍔１２ｂに設けた切欠部である。以上のよう
に構成された変成器についてその組立構造を説明
する。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 4 is an exploded perspective view of the transformer winding frame, FIG. 5 is a sectional view of the transformer of the present invention, and FIG. 6 is an enlarged view of the fitting of the secondary winding frame and the tertiary winding frame. 11 is
A magnetic material such as an EI type ferrite or a laminated core of silicon steel plate, 12 is made of synthetic resin,
The primary winding frame has a small upper end flange 12a and a large lower end flange 12b, 13 is a secondary winding frame with a small upper end flange 13a and a large lower end flange 13b, and 14 is continuous with the upper end flange 14a. A tertiary winding frame 16 has an inwardly protruding inner flange 14b and a downwardly bent portion 14d at the periphery of the lower end flange 14c.
The primary coil wound around the next winding frame 12, 17 the secondary coil wound around the secondary winding frame 13, 18 the tertiary winding frame 1
The tertiary coil 15 is a notch provided in the lower end collar 12b of the secondary winding frame 13. The assembly structure of the transformer configured as above will be explained.
巻線嵌合する方法は従来と同様である。 The method of fitting the windings is the same as the conventional method.
１次巻枠１２に１次コイル１６を巻装し、この
１次巻枠１２の上方から２次巻枠１３を挿入嵌合
する。この嵌合により１充巻枠１２の上端鍔１２
ａは２次巻枠１３の中心孔にはまりむことにな
る。そしてその２次巻枠１３に２次コイル１７を
巻装し、この２次巻枠１３の上方から３次巻枠４
を挿入嵌合する。この嵌合で、２次巻枠１３の上
端鍔１３ａは３次巻枠１４の中心孔にはまりこむ
ことになる。その後３次コイル１８を巻装しリー
ド線を１次巻枠１２の下端鍔１２ｂに設けたピン
端子１９に接続、半田付け工程を経て変成器のコ
イル部が完成される。本発明は２次巻枠１３の下
端鍔１３ｂに、切欠部１５を設け、３次巻枠１４
の下端鍔１４ｃの下面に折曲部１４ｄを設けた３
次巻枠１４を挿入嵌合して折曲部１４ｄを切欠部
１５にはめこんで絶縁距離を確保するものであ
る。本発明の絶縁構造を第６図を用いて説明す
る。３次巻枠１４の下端鍔１４ｃの下面に設けた
折曲部１４ｄを２次巻枠１３の下端鍔１３ｂに設
けた切欠部１５にはめ込むことによつて２次コイ
ル１７と磁性材１１との空間距離はａ＋ｂ＋ｃの
寸法となり絶縁フイルムを挿入せず巻枠を挿入嵌
合するだけで空間距離を確保することができる。 The primary coil 16 is wound around the primary winding frame 12, and the secondary winding frame 13 is inserted and fitted from above the primary winding frame 12. With this fitting, the upper end flange 12 of the full winding frame 12
a will fit into the center hole of the secondary winding frame 13. Then, the secondary coil 17 is wound around the secondary winding frame 13, and the tertiary winding frame 4 is wound from above the secondary winding frame 13.
Insert and mate. With this fitting, the upper end flange 13a of the secondary winding frame 13 fits into the center hole of the tertiary winding frame 14. Thereafter, the tertiary coil 18 is wound, the lead wire is connected to a pin terminal 19 provided on the lower end flange 12b of the primary winding frame 12, and the coil portion of the transformer is completed through a soldering process. The present invention provides a notch 15 in the lower end flange 13b of the secondary winding frame 13, and the tertiary winding frame 14
A bent portion 14d is provided on the lower surface of the lower end flange 14c.
The next winding frame 14 is inserted and fitted, and the bent portion 14d is fitted into the notch 15 to ensure an insulation distance. The insulation structure of the present invention will be explained using FIG. 6. By fitting the bent portion 14d provided on the lower surface of the lower end flange 14c of the tertiary winding frame 14 into the notch 15 provided on the lower end flange 13b of the secondary winding frame 13, the secondary coil 17 and the magnetic material 11 are connected. The spatial distance becomes the dimension a+b+c, and the spatial distance can be secured simply by inserting and fitting the winding frame without inserting an insulating film.
発明の効果
以上のように本発明は３次巻枠の下端鍔の下面
に設けた折曲部を２次巻枠の下端鍔に設けた切欠
部にはめ込むことによつて２次コイルと磁性材と
の空間距離を確保することができる。結果として
絶縁フイルムの廃止が可能となり材料費の低減、
挿入工程の削減、更には自動化が容易となる。そ
の上巻線スペースが向上できその実用的効果は大
なるものがある。Effects of the Invention As described above, the present invention is capable of connecting the secondary coil and the magnetic material by fitting the bent part provided on the lower surface of the lower end flange of the tertiary winding frame into the notch provided in the lower end flange of the secondary winding frame. It is possible to secure the spatial distance between the As a result, it is possible to eliminate the insulating film, reducing material costs.
The insertion process can be reduced and further automated. Moreover, the winding space can be improved, which has great practical effects.
第１図は従来の変成器の断面図、第２図は従来
の巻枠部の分解斜視図、第３図は従来の要部の拡
大断面図、第４図は本発明の巻枠部の分解斜視
図、第５図は本発明の変成器の一実施例を示す断
面図、第６図は同要部の拡大断面図である。
１１……磁性材、１２……１次巻枠、１２ａ…
…上端鍔、１２ｂ……下端鍔、１３……２次巻
枠、１３ａ……上端鍔、１３ｂ……下端鍔、１４
……３次巻枠、１４ａ……上端鍔、１４ｂ……内
方鍔、１４ｃ……下端鍔、１４ｄ……折曲部、１
５……切欠部、１６……１次コイル、１７……２
次コイル、１８……３次コイル。
Figure 1 is a sectional view of a conventional transformer, Figure 2 is an exploded perspective view of a conventional winding frame, Figure 3 is an enlarged sectional view of the main parts of the conventional transformer, and Figure 4 is a diagram of the winding frame of the present invention. FIG. 5 is an exploded perspective view, FIG. 5 is a sectional view showing one embodiment of the transformer of the present invention, and FIG. 6 is an enlarged sectional view of the essential parts. 11... Magnetic material, 12... Primary winding frame, 12a...
...Top end tsuba, 12b...Lower end tsuba, 13...Secondary winding frame, 13a...Top end tsuba, 13b...Lower end tsuba, 14
...Third winding frame, 14a...Top end flange, 14b...Inner tsuba, 14c...Lower end flange, 14d...Bending portion, 1
5...Notch, 16...Primary coil, 17...2
Next coil, 18...Third coil.
Claims (1)
を巻装した２次巻枠を嵌合し、更にその上に３次
コイルを巻装した３次巻枠を嵌合し、３次巻枠の
下端鍔の両端に下方への折曲部を設け、その折曲
部がはまり込む切欠部を２次巻枠の下端鍔に設
け、このような構成のコイル部に磁性材を組込ん
でなる変成器。1 Fit the secondary winding frame around which the secondary coil is wound to the primary winding frame around which the primary coil is wound, further fit the tertiary winding frame around which the tertiary coil is wound on top of it, and A downwardly bent portion is provided at both ends of the lower end flange of the secondary reel, and a notch into which the bent portion fits is provided in the lower end flange of the secondary reel, and a magnetic material is assembled into the coil portion having such a configuration. A complex transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11117884A JPS60254713A (en) | 1984-05-31 | 1984-05-31 | Transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11117884A JPS60254713A (en) | 1984-05-31 | 1984-05-31 | Transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60254713A JPS60254713A (en) | 1985-12-16 |
| JPH0222525B2 true JPH0222525B2 (en) | 1990-05-18 |
Family
ID=14554465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11117884A Granted JPS60254713A (en) | 1984-05-31 | 1984-05-31 | Transformer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60254713A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100647227B1 (en) | 2005-08-17 | 2006-11-23 | 주식회사 모빌일렉트론 | Duality small trans |
-
1984
- 1984-05-31 JP JP11117884A patent/JPS60254713A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60254713A (en) | 1985-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |