JPH0410404A - Lead wire leading-out structure of sheet winding transformer - Google Patents
Lead wire leading-out structure of sheet winding transformerInfo
- Publication number
- JPH0410404A JPH0410404A JP11077890A JP11077890A JPH0410404A JP H0410404 A JPH0410404 A JP H0410404A JP 11077890 A JP11077890 A JP 11077890A JP 11077890 A JP11077890 A JP 11077890A JP H0410404 A JPH0410404 A JP H0410404A
- Authority
- JP
- Japan
- Prior art keywords
- lead
- metal foil
- stainless steel
- steel plate
- sheet
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 title claims abstract description 18
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 title claims description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 239000011888 foil Substances 0.000 claims abstract description 32
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 21
- 239000010935 stainless steel Substances 0.000 claims abstract description 21
- 230000000630 rising effect Effects 0.000 claims description 25
- 239000004020 conductor Substances 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- 239000010949 copper Substances 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- 239000012212 insulator Substances 0.000 description 5
- 230000004907 flux Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
Description
【発明の詳細な説明】
Ａ、産業上の利用分野
本発明は、金属箔と絶縁シートを重ねて巻いて成るシー
ト状巻線を用いたシート巻線変圧器（箔巻変圧器）のリ
ード線口出し構造の改良？こ関するものである。[Detailed Description of the Invention] A. Industrial Application Field The present invention relates to a lead wire for a sheet-wound transformer (foil-wound transformer) using a sheet-like winding formed by overlapping metal foil and an insulating sheet. Improvement of the opening structure? This is related to this.
Ｂ１発明の概要
本発明は、シート巻線変圧器のリード線口出し構造にお
いて、
シート巻線の金属箔の端部とリード立上がり部の接合部
の一部にステンレス鋼板を介在させるとともに、リード
立上がり部に複数本の斜めのスリットを形成することに
より、
リード口出し方向の端縁部への電流集中を緩和して電流
分布の均一化を図るようにしたものである。B1 Summary of the Invention The present invention provides a lead wire outlet structure for a sheet-wound transformer, in which a stainless steel plate is interposed in a part of the joint between the end of the metal foil of the sheet winding and the lead rising portion, and By forming a plurality of diagonal slits in the lead, the concentration of current at the edge in the lead exit direction is alleviated and the current distribution is made uniform.
Ｃ１従来の技術
シート巻線変圧器においては、第４図に示すようにシー
ト状巻線１１の端部にアルミニウム、銅等の棒状をした
口出しリード線１２をロウ付けなどにより接続した場合
、矢印で示すような電流分布となり、Ａ部のシート状巻
線１１の側端部に電流が集中し、局部的に発熱する。C1 Conventional technology In a sheet-wound transformer, when a rod-shaped lead wire 12 made of aluminum, copper, etc. is connected to the end of the sheet-like winding 11 by brazing or the like as shown in FIG. The current distribution becomes as shown by , and the current is concentrated at the side end portion of the sheet-like winding 11 in the A section, and heat is generated locally.
また、シート巻線変圧器では、第５図に示すようにタン
ク２１内の鉄心２２に巻装された低圧巻線２３と高圧巻
線２４の間隙及び各巻線内に巻線の軸方向を主成分とす
る漏れ磁束が生じる。この磁束は、巻線端部で急激に曲
がって口出し導体２５に垂直に入射するような分布を示
すため、導体に渦電流が生じ、発熱により絶縁を劣化さ
せる。In addition, in a sheet-wound transformer, as shown in FIG. A component of leakage magnetic flux is generated. This magnetic flux exhibits a distribution in which it curves sharply at the end of the winding and enters the lead conductor 25 perpendicularly, so that eddy currents are generated in the conductor, causing heat generation and deteriorating the insulation.
更に、電磁力によりシート状巻線やリード線接続部を変
形させる恐れがある。Furthermore, there is a possibility that the sheet winding or the lead wire connection portion may be deformed by the electromagnetic force.
このため、リード口出し部での電流集中を防止する手段
が種々考案されており、（１）、特開昭５９−１９１３
１１号、（２）、特開昭５９−１９１３０９号、（３）
、特開昭５９−３３８１０号及び（４）、特開昭５９−
１５０４１１号の４件を例示する。For this reason, various means have been devised to prevent current concentration at the lead outlet.
No. 11, (2), JP-A-59-191309, (3)
, JP-A-59-33810 and (4), JP-A-59-
Four cases of No. 150411 are illustrated.
（１）、は、第６図（Ａ）に示すように絶縁層３１ａで
被覆された多数の素線３１をより合わせ、絶縁物３２で
被覆したより線をリード線として用い、その先端部分の
絶縁物３２と絶縁層３１２Ｌを除去して、導体チューブ
３３に挿入、圧着した後、シート状巻線の金属箔３４の
端部にロウ付けなどにより接続した場合であり、第６図
（Ｂ）に示すように導体チューブ３３の長さを金属箔３
４の幅より短くし、接続位置を特定したり、第６図（Ｃ
）に示すように絶縁層３１ａの除去範囲を短縮すること
が変形例として掲載されている。(1) As shown in FIG. 6(A), a large number of strands 31 covered with an insulating layer 31a are twisted together, a stranded wire covered with an insulating material 32 is used as a lead wire, and the end portion of the stranded wire is twisted. This is a case where the insulator 32 and the insulating layer 312L are removed, inserted into the conductor tube 33, crimped, and then connected to the end of the metal foil 34 of the sheet-shaped winding wire by brazing or the like, as shown in FIG. 6(B). As shown in the figure, the length of the conductor tube 33 is
6 (C) to identify the connection position.
), shortening the removal range of the insulating layer 31a is published as a modified example.
（２）、は、第７図（Ａ）に示すように平板状の口出し
導体４１の金属箔３４の側端部と対応する部分に複数本
のスリット４２を設けた場合であり、第７図（Ｂ）に示
すようにスリット４２の長さを金属箔３４の幅量上とし
たり、第７図（Ｃ）に示すようにスリット内に絶縁物４
３を充填することが変形例として掲載されている。(2) is a case where a plurality of slits 42 are provided in a portion of the flat lead-out conductor 41 corresponding to the side end portion of the metal foil 34 as shown in FIG. 7(A); As shown in FIG. 7(B), the length of the slit 42 is set to be greater than the width of the metal foil 34, or as shown in FIG.
3 is listed as a modification.
（３）、は、第８図（Ａ）に示すように金属箔３４の先
端付近の両側縁部に絶縁物５１ａ、５１ｂを設け、これ
らの上にリード線５２を配置して、その中間部を金属箔
３４にスポット溶接などにより接続した場合であり、第
８図（Ｂ）に示すようにリード線としてより線５２′を
用いたことが変形例として掲載されている。(3) As shown in FIG. 8(A), insulators 51a and 51b are provided on both side edges near the tip of the metal foil 34, and the lead wire 52 is placed on these, and the intermediate portion is This is a case in which the wire is connected to the metal foil 34 by spot welding or the like, and as a modification, a stranded wire 52' is used as the lead wire as shown in FIG. 8(B).
（４）、は、第９図（Ａ）に示すように金属箔３４の先
端部分の両側縁部に絶縁物６１ａ、６１ｂを設け、この
部分を絶縁物か内側になるように折り曲げてリード線６
２を包み込んだ場合であり、第９図（Ｂ）に示すように
リード線としてより線６２′を用いたことが変形例とし
て掲載されている。(4) As shown in FIG. 9(A), insulators 61a and 61b are provided on both side edges of the tip of the metal foil 34, and these parts are bent so that they are inside the insulators, and the lead wire is 6
This is a case in which strands 2 are wrapped, and as a modification, a twisted wire 62' is used as the lead wire as shown in FIG. 9(B).
いずれの場合も、金属箔３４の側端部（リード線との接
合部）への電流集中を緩和し、電流分布の均一化を図ろ
うとしたものである。In either case, the current concentration on the side end portions of the metal foil 34 (junctions with the lead wires) is alleviated, and the current distribution is made uniform.
Ｄ０発明が解決しようとする課題
上記（１）の場合は、金属箔３４の側端部への電流集中
が免れなかったり、極端な電流排除となる。D0 Problems to be Solved by the Invention In the case of (1) above, the current concentration on the side edges of the metal foil 34 is unavoidable, or the current is extremely excluded.
（２）の場合は、金属箔３４と平板状の口出し導体（リ
ード線）４１との接続が断続的となり、機械的強度に難
点がある。In the case of (2), the connection between the metal foil 34 and the flat plate-shaped lead conductor (lead wire) 41 is intermittent, and there is a problem in mechanical strength.
また、（３）、（，４）の場合は、絶縁物（５１ａ、５
１ｂ）、（６１ａ、６１ｂ）を配設しているため、側縁
部では電流が全く遮断されることになり、（１）と同様
に電流分布の均一化の度合いが不足する。In addition, in the case of (3) and (,4), insulators (51a, 5
1b) and (61a, 61b), the current is completely cut off at the side edges, and as in (1), the degree of uniformity of the current distribution is insufficient.
本発明の目的は、電流分布の均一化が図れるとともに、
簡単な構造で十分な機械的強度を持つシート巻線変圧器
のリード線口出し構造を提供することにある。An object of the present invention is to make the current distribution uniform, and to
An object of the present invention is to provide a lead wire outlet structure for a sheet-wound transformer that has a simple structure and sufficient mechanical strength.
８６課題を解決するための手段
本発明は、金属箔と絶縁シートを重ねて巻いて成るシー
ト状巻線を用いたシート巻線変圧器において、
前記シート巻線の金属箔の端部と複数本の斜めのスリッ
トが形成されたリード立上がり導体を、そのリード口出
し方向の側端部に第１のステンレス鋼板が介在するよう
に接合するとともに、リード立上がり導体の金属箔と反
対の端縁に第２のステンレス鋼板を接合し、リード立上
がり導体のリード口出し方向の端部により線あるいは転
位を有する平角導体をリード線として接続したことを特
徴とするものである。86 Means for Solving the Problems The present invention provides a sheet-wound transformer using a sheet-like winding formed by overlappingly wound a metal foil and an insulating sheet. A lead rising conductor in which a diagonal slit is formed is joined such that a first stainless steel plate is interposed at the side end in the lead exit direction, and a second stainless steel plate is interposed at the edge of the lead rising conductor opposite to the metal foil. This is characterized in that two stainless steel plates are joined together, and a wire or a rectangular conductor having a dislocation is connected as a lead wire by the end of the lead rising conductor in the lead exit direction.
Ｆ１作用
金属箔とリード立上がり導体の接合部の側縁部には第１
のステンレス鋼板が介在しており、太きな抵抗率のため
に電流の集中が避けられ、電流は金属箔の中央部からリ
ード立上がり導体に流入する。この時、スリットにより
進路が規制され、電流分布が均一化される。The side edge of the joint between the F1 working metal foil and the lead rising conductor has a first
A stainless steel plate is interposed, and its large resistivity prevents current concentration, and the current flows from the center of the metal foil into the lead rising conductor. At this time, the path is regulated by the slit and the current distribution is made uniform.
Ｇ、実施例
以下、本発明を図面に示す実施例に基づいて詳細に説明
する。G. Examples Hereinafter, the present invention will be explained in detail based on examples shown in the drawings.
第１図は本発明の一実施例を示すもので、１はシート状
巻線の金属箔、２はこの金属箔１の端部に接合した、銅
、アルミニウム等から成る口出し導体（リード立上がり
部）、３はこのリート立上がり部２に接続した口出し用
より線、４は前記リード立上がり部２の前記金属箔ｌと
接合する端縁上部に溶接などで一体化するとともに、前
記金属箔ｌの側縁部の切り欠きに嵌合、接続した第１の
ステンレス鋼板、５は前記リード立上がり部２の金属箔
接合側と反対の端縁に溶接などにより接合した第２のス
テンレス鋼板である。FIG. 1 shows an embodiment of the present invention, in which 1 is a metal foil of a sheet-like winding, and 2 is a lead conductor made of copper, aluminum, etc. (lead rising part) bonded to the end of this metal foil 1. ), 3 is a lead-out stranded wire connected to the lead rising portion 2, and 4 is integrated by welding or the like to the upper edge of the lead rising portion 2 that joins with the metal foil l, and is integrated with the upper edge of the lead rising portion 2 on the side of the metal foil l. A first stainless steel plate 5 is fitted and connected to the notch in the edge, and a second stainless steel plate 5 is welded to the edge of the lead rising portion 2 opposite to the metal foil bonding side.
前記リード立上がり部２には、電流分布が均一化するよ
うに複数本の斜めのスリット６をその長さが少しずつ異
なるように形成している。また、リード立上がり部２の
端部を筒状とし、この部分に前記口出し用より線３を挿
入、圧着すれば、接続が容易になり、かつ強固となる。A plurality of diagonal slits 6 are formed in the lead rising portion 2 so that the lengths thereof are slightly different so that the current distribution is uniform. Further, if the end of the lead rising portion 2 is made into a cylinder, and the lead-out stranded wire 3 is inserted into this portion and crimped, the connection becomes easy and strong.
このようにシート状巻線の金属箔１とリード立上がり部
２の接合部の一部に第１のステンレス鋼板４を介在させ
るとともに、リード立上がり部２の他の端縁全体に第２
のステンレス鋼板５を接合すると、ステンレス鋼板の比
透磁率か１に近く、抵抗率が銅の約３０倍であるため、
側端部への電濃染中が阻止され、電流は金属箔１の中央
部からリード立上がり部２へ流入するようになる。この
時、リード立上がり部２の斜めのスリット６により電流
の進路が規制される。In this way, the first stainless steel plate 4 is interposed at a part of the joint between the metal foil 1 of the sheet-shaped winding and the lead rising portion 2, and the second stainless steel plate 4 is interposed over the entire other edge of the lead rising portion 2.
When stainless steel plates 5 of
Dense dyeing to the side edges is blocked, and current flows from the center of the metal foil 1 to the lead rising portions 2. At this time, the path of the current is regulated by the diagonal slit 6 in the lead rising portion 2.
この結果、電流分布は、第２図に示すように均一化され
る。As a result, the current distribution is made uniform as shown in FIG.
また、リード立上がり部２の金属箔１と反対側の端縁に
は第２のステンレス鋼板５が接合されており、電磁力に
対する補強となる。Further, a second stainless steel plate 5 is bonded to the edge of the lead rising portion 2 on the side opposite to the metal foil 1, and serves as reinforcement against electromagnetic force.
なお、上記実施例では、リード立上がり部２にリード口
出し用より線３を接続したが、第３図に示すようにリー
ド口出し用平角導体７をリード立上がり部２に接続して
もよい。この場合、途中で転位させると、漂遊損を少な
くできる。In the above embodiment, the stranded wire 3 for leading out the lead is connected to the rising portion 2 of the lead, but the rectangular conductor 7 for leading out the lead may be connected to the rising portion 2 as shown in FIG. In this case, stray loss can be reduced by dislocating it midway.
Ｈ３発明の効果
以上のように本発明によれば、シート状巻線の金属箔と
リード立上がり部（導体）との接合部の口出し方向の部
分と、リート立上がり部の金属箔と反対の端縁にステン
レス鋼板を配設するとともに、リード立上がり部に複数
本の斜めのスリットを形成したので、電流集中を緩和し
て電流分布の均一化を図ることができる。しかも、簡単
な構造で十分な機械的強度を持たせることができる。ま
た、リード口出し部により線あるいは転位を有する平角
導体を使用したことにより、漏れ磁束による発熱防止あ
るいは損失の軽減が図れる。H3 Effects of the Invention As described above, according to the present invention, the portion in the lead-out direction of the joint between the metal foil of the sheet-like winding and the lead rising portion (conductor) and the edge opposite to the metal foil of the lead rising portion Since a stainless steel plate is disposed on the lead and a plurality of diagonal slits are formed in the leading edge of the lead, current concentration can be alleviated and the current distribution can be made uniform. Moreover, sufficient mechanical strength can be provided with a simple structure. Further, by using a wire or a rectangular conductor having dislocations for the lead outlet portion, it is possible to prevent heat generation or reduce loss due to leakage magnetic flux.
第１図は本発明に係るシート巻線変圧器のリード線口出
し構造の一実施例を示す正面図、第２図は同実施例の電
流分布説明図、第３図は本発明の他の実施例を示す正面
図、第４図〜第９図（Ａ）（Ｂ）はそれぞれ従来例を示
す構成説明図である。
Ｉ・・ソート巻線の金属箔、２・・・リード立上がり部
（導体）、３・・・リード口出し用より線、４・・・第
１のステンレス鋼板、５・・・第２のステンレス鋼板、
６・・・スリット、７・・・リード口出し用平角導体。
第１図
第２図
丈功ヒ０１の側芹Δト争説明菌
外２名
ンー）、８絣カ全属箪
第３図
イ巴の大で）の工面「
第４図
むイ列０潤町成勧ツ用乙
（Ｃ）
第９図
４力も未イタリの＃万丈吉１ｑ月艮コFIG. 1 is a front view showing one embodiment of the lead wire outlet structure of a sheet-wound transformer according to the present invention, FIG. 2 is a current distribution diagram of the same embodiment, and FIG. 3 is another embodiment of the present invention. A front view showing an example, and FIGS. 4 to 9 (A) and (B) are configuration explanatory diagrams showing a conventional example, respectively. I...Metal foil of sorting winding, 2... Lead rising portion (conductor), 3... Stranded wire for lead exit, 4... First stainless steel plate, 5... Second stainless steel plate ,
6...Slit, 7...Flat conductor for lead outlet. Fig. 1 Fig. 2 Illustration of the side part of the length 01 Machinari Kantsu Yotsuyotsu (C) Fig. 9 4 power is also not itari #Banjokichi 1q Tsukiyoko
Claims (1)
巻線を用いたシート巻線変圧器において、前記シート巻
線の金属箔の端部と複数本の斜めのスリットが形成され
たリード立上がり導体を、そのリード口出し方向の側端
部に第１のステンレス鋼板が介在するように接合すると
ともに、リード立上がり導体の金属箔と反対の端縁に第
２のステンレス鋼板を接合し、リード立上がり導体のリ
ード口出し方向の端部により線あるいは転位を有する平
角導体をリード線として接続したことを特徴とするシー
ト巻線変圧器のリード線口出し構造。(1) In a sheet-wound transformer using a sheet-like winding formed by overlapping and winding metal foil and an insulating sheet, a lead is formed with a plurality of diagonal slits at the end of the metal foil of the sheet winding. The rising conductor is joined so that a first stainless steel plate is interposed at the side end in the lead exit direction, and a second stainless steel plate is joined to the edge of the lead rising conductor opposite to the metal foil. A lead wire outlet structure for a sheet-wound transformer, characterized in that a wire or a rectangular conductor having a dislocation is connected as a lead wire by the end of the conductor in the lead outlet direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11077890A JP2940066B2 (en) | 1990-04-26 | 1990-04-26 | Lead wire opening structure of sheet winding transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11077890A JP2940066B2 (en) | 1990-04-26 | 1990-04-26 | Lead wire opening structure of sheet winding transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0410404A true JPH0410404A (en) | 1992-01-14 |
| JP2940066B2 JP2940066B2 (en) | 1999-08-25 |
Family
ID=14544369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11077890A Expired - Lifetime JP2940066B2 (en) | 1990-04-26 | 1990-04-26 | Lead wire opening structure of sheet winding transformer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2940066B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012084569A (en) * | 2010-10-06 | 2012-04-26 | Sanyo Electric Co Ltd | Battery pack |
-
1990
- 1990-04-26 JP JP11077890A patent/JP2940066B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012084569A (en) * | 2010-10-06 | 2012-04-26 | Sanyo Electric Co Ltd | Battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2940066B2 (en) | 1999-08-25 |
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