JPH02146710A - Switching power transformer - Google Patents
Switching power transformerInfo
- Publication number
- JPH02146710A JPH02146710A JP63299997A JP29999788A JPH02146710A JP H02146710 A JPH02146710 A JP H02146710A JP 63299997 A JP63299997 A JP 63299997A JP 29999788 A JP29999788 A JP 29999788A JP H02146710 A JPH02146710 A JP H02146710A
- Authority
- JP
- Japan
- Prior art keywords
- pole
- secondary side
- mounting
- conductor
- secondary conductor
- 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
- 239000004020 conductor Substances 0.000 claims abstract description 43
- 125000006850 spacer group Chemical group 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 8
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005476 soldering Methods 0.000 description 8
- 239000011162 core material Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 241000270728 Alligator Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Coils Of Transformers For General Uses (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、アモルファスコアを使用した大電流用の高周
波スイッチング電源トランスに関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a high-frequency switching power supply transformer for large current using an amorphous core.
（従来の技術）
従来の大電流用の高周波スイッチング電源トランスは、
第３図に示すように、フェライトコアの周囲に一次巻線
を施したトロイダルコイル２８と、このトロイダルコイ
ル２日の中心に銅板もしくは銅棒の導電性部材を貫通さ
せて二次側電極２９とし、この二次側電極２９とトロイ
ダルコイル２８との中間にスペーサ３０を設けたものが
用いられていた。(Conventional technology) Conventional high-frequency switching power transformers for large currents are
As shown in FIG. 3, a toroidal coil 28 has a primary winding around a ferrite core, and a conductive member such as a copper plate or copper rod is passed through the center of the toroidal coil 28 to form a secondary electrode 29. , a spacer 30 was used between the secondary electrode 29 and the toroidal coil 28.
しかしながら、上記のスイッチング電源トランスでは、
−次側のトロイダルコイルと二次側電極とのマツチング
が悪く、リーケージインダクタンスが多（なる欠点があ
った。However, in the above switching power supply transformer,
- There was a drawback that the matching between the toroidal coil on the next side and the electrode on the secondary side was poor, and leakage inductance was high.
そこで本願出願人はその欠点を解決するため既に出願し
ている特願昭６３−２１８０８０号を提案している。こ
の提案による大電流用の高周波スイッチング電源トラン
スは、第４図に示すように、−次側コイル３１の上下に
絶縁材３２を取付け、これらの組立体を内側に円筒部３
３ａを有する有底円筒体３３ｂで構成された二次側導体
３３に収納し、前記円筒部３３ａ上には有底円筒体３３
ｂに接触しないように設けられ、かつ二次側内極３４ａ
を有する円板状の二次側内極板３４をハンダ付けにより
取付け、また、有底円筒体３３ｂ上に被着される絶縁板
３５を設け、かつ有底円筒体３３ｂに、これまたハンダ
付けにより一体化される二次側外極３６を取付けていた
。そして、前記二次側内極３４と二次側外極３６とに設
けられた端子は互に直交する方向に配設するように構成
されている。Therefore, the applicant of the present application has proposed Japanese Patent Application No. 63-218080, which has already been filed, in order to solve this drawback. The proposed high-frequency switching power transformer for large currents, as shown in FIG.
The secondary conductor 33 is made up of a cylindrical body 33b with a bottom and a cylindrical body 33 with a bottom.
b, and the secondary inner pole 34a
A disk-shaped secondary inner electrode plate 34 is attached by soldering, and an insulating plate 35 is provided on the bottomed cylindrical body 33b, and this is also soldered to the bottomed cylindrical body 33b. A secondary outer pole 36, which is integrated with the secondary side outer pole 36, was attached. The terminals provided on the secondary inner pole 34 and the secondary outer pole 36 are arranged in directions orthogonal to each other.
（発明が解決しようとする課題）
上述した構成のスイッチング電源トランスでは、−次側
内極３４を二次側導体３３の円筒部３３ａに設けた突出
部にハンダ付は接続して一体化し、また、二次側外極３
６を二次側導体３３の有底円筒体３３ｂに設けた突出部
にハンダ付けして一体化していたが、これらのハンダ付
は作業は誰でもできるという作業ではなく熟練者を必要
としていた。(Problems to be Solved by the Invention) In the switching power supply transformer having the above-described configuration, the negative inner pole 34 is connected to the protrusion provided on the cylindrical portion 33a of the secondary conductor 33 by soldering, and integrated. , secondary outer pole 3
6 was integrated by soldering to a protrusion provided on the bottomed cylindrical body 33b of the secondary side conductor 33, but the soldering work was not a work that anyone could do and required a skilled person.
また、ハンダ付けは手作業であるため、バラツキがあり
、しかも外観に良否が生ずるという問題があった。Further, since soldering is done by hand, there is a problem that there is variation and the appearance is not good or bad.
本発明は上述の事情に鑑みてなされたもので、その目的
とするところは、二次側内極および二次側外極の接続を
容易とし、組立の容易化を図り、加えて組立られた製品
の外観のバラツキを全くなくし、また、部品点数も削減
したスイッチング電源トランスを提供しようとするもの
である。The present invention has been made in view of the above-mentioned circumstances, and its purpose is to facilitate the connection of the secondary inner pole and the secondary outer pole, to facilitate assembly, and to facilitate assembly. The present invention aims to provide a switching power supply transformer that completely eliminates variations in product appearance and reduces the number of parts.
（課題を解決するための手段）
本発明では、アモルファスを使用したトロイダルコアに
一次側巻綿１ａを巻回してなるトロイダルコイル１と、
このトロイダルコイル１の内周面および底面側に設けら
れるスペーサ２と、このスペーサ２を設けた前記トロイ
ダルコイルｌを内包し、かつその内・外周面および底部
を覆う二次側導体３とを備え、この二次側導体３は有底
円筒状の外周円筒３ａと、その内側に設けられ、かつ上
部に二次側内極４が取付けられる有蓋円筒状の内周円筒
３ｂとを有するとともに、前記外周円筒３ａの上端面に
は外側方向に延びる取付部３ｃが形成され、この二次側
導体３上に、前記二次側導体３を上方に貫設する挿通孔
６ａを有し、かつ他の機器への取付用の絶縁物からなる
取付板６を設け、この取付板６上に、前記二次側導体４
を絶縁状態で貫設して露出させる長孔５ｃを有し、かつ
極板部５ｂを有する二次側外極５を設け、この二次側外
極５を前記二次側導体３の取付部３ｃに螺着して構成す
ることにより、上記目的を達成している。(Means for Solving the Problems) The present invention provides a toroidal coil 1 formed by winding primary cotton 1a around a toroidal core using an amorphous material,
The toroidal coil 1 includes a spacer 2 provided on the inner circumferential surface and the bottom side, and a secondary conductor 3 that encloses the toroidal coil l provided with the spacer 2 and covers the inner and outer circumferential surfaces and the bottom thereof. , this secondary conductor 3 has an outer circumferential cylinder 3a having a bottomed cylindrical shape, and an inner circumferential cylinder 3b having a covered cylindrical shape provided inside the outer circumferential cylinder 3a and having the secondary inner pole 4 attached to the upper part thereof. A mounting portion 3c extending outward is formed on the upper end surface of the outer peripheral cylinder 3a, and has an insertion hole 6a on the secondary conductor 3 that penetrates the secondary conductor 3 upward, and A mounting plate 6 made of an insulator for mounting on equipment is provided, and the secondary conductor 4 is mounted on this mounting plate 6.
A secondary outer pole 5 is provided, which has a long hole 5c extending through and exposing the secondary conductor 3 in an insulated state, and has an electrode plate portion 5b. 3c, the above object is achieved.
（作用）
上記のように構成した本発明のスイッチング電源トラン
スは、トロイダルコイルを収納する二次側導体３の外周
円筒の上端面に設けた取付部３ｃに、二次側導体３上に
設けた二次側外極５を螺着するように構成したので、特
別なハンダ付は作業が不用となり、組立性、外観等が良
好となる。(Function) The switching power supply transformer of the present invention configured as described above has a mounting portion 3c provided on the upper end surface of the outer circumferential cylinder of the secondary conductor 3 that houses the toroidal coil. Since the secondary outer pole 5 is configured to be screwed, no special soldering work is required, and the ease of assembly and appearance are improved.
（実施例）
以下、本発明の一実施例を第１図および第２図により説
明する。第１図はスイッチング電源トランスの分解斜視
図で、このスイッチング電源トランスはアモルファスコ
ア材に一次側巻線ｆａｔ−Ｓ回してなるトロイダルコイ
ル１と、このトロイダルコイル１に取付けられる絶縁材
で形成されたスペーサ２と、このスペーサ２を取付けた
トロイダルコイル１を収納する二次側導体３と、この二
次側導体３に螺着される二次側内極４および二次側外極
５と、前記二次側内極４と二次側外極５とを絶縁状態で
保持し、かつ二次側外極５とトロイダルコイル１との間
に設けられる板状の取付板６とにて構成されている。(Example) An example of the present invention will be described below with reference to FIGS. 1 and 2. Figure 1 is an exploded perspective view of a switching power transformer. This switching power transformer consists of a toroidal coil 1 made of an amorphous core material with a fat-S primary winding, and an insulating material attached to the toroidal coil 1. A spacer 2, a secondary conductor 3 that accommodates the toroidal coil 1 to which the spacer 2 is attached, a secondary inner pole 4 and a secondary outer pole 5 that are screwed onto the secondary conductor 3; It is composed of a plate-shaped mounting plate 6 that holds the secondary inner pole 4 and the secondary outer pole 5 in an insulated state and is provided between the secondary outer pole 5 and the toroidal coil 1. There is.
すなわち、トロイダルコイル１はアモルファス合金のト
ロイダルコアの外周に一次側巻線１ａを巻装したもので
、飽和磁束密度が高く、かつ発熱が低く小形化したもの
である。このようなトロイダルコイル１の下側からスペ
ーサ２が取付けられる。このスペーサ２はポリアセクー
ルまたはナイロン等の合成樹脂による絶縁材で成形され
たもので、下側に平板リング状の鰐部２ａを有し中央部
にトロイダルコイル１の中央に挿通される円筒部２ｂを
有し、この円筒部２ｂの長さはトロイダルコイル１の厚
さ方向に合わせである。このスペーサ２を前記トロイダ
ルコイル１に組合わせたものは、これを３方向より内包
する二次側導体３に収納される。この二次側導体３は銅
板等の導電性薄板を絞り加工したもので、有底円筒状の
外周円筒３ａと、この内側に前記スペーサ２のＦ［部２
ｂに挿入される有蓋円筒状の内周円筒３ｂとを有し、か
つ外周円筒３ａの上端面には外周円筒３ａに対し直角方
向外側に折曲形成された複数個の取付部３ｃが設けであ
る。この取付部３ｃには後述する二次側外極５が螺着さ
れる取付孔３ｄが設けである。また、前記有蓋円筒状の
内周円筒３ｂの上面には後述する二次側内極４を螺着す
るための取付孔３ｅが設けである。That is, the toroidal coil 1 has a primary winding 1a wound around the outer periphery of an amorphous alloy toroidal core, and has a high saturation magnetic flux density, low heat generation, and is compact. A spacer 2 is attached to the toroidal coil 1 from below. This spacer 2 is molded from an insulating material made of synthetic resin such as polyacecool or nylon, and has a flat ring-shaped alligator part 2a on the lower side and a cylindrical part 2b inserted into the center of the toroidal coil 1 in the center. However, the length of this cylindrical portion 2b is adjusted in the thickness direction of the toroidal coil 1. This spacer 2 combined with the toroidal coil 1 is housed in a secondary conductor 3 that includes it from three directions. This secondary conductor 3 is made by drawing a conductive thin plate such as a copper plate, and has a bottomed outer circumferential cylinder 3a and an F [portion 2 of the spacer 2 inside the outer circumferential cylinder 3a.
It has an inner circumferential cylinder 3b in the shape of a covered cylinder inserted into the outer circumferential cylinder 3a, and a plurality of mounting parts 3c are provided on the upper end surface of the outer circumferential cylinder 3a and are bent outward in a direction perpendicular to the outer circumferential cylinder 3a. be. The mounting portion 3c is provided with a mounting hole 3d into which a secondary outer pole 5, which will be described later, is screwed. Further, a mounting hole 3e for screwing a secondary inner pole 4, which will be described later, is provided on the upper surface of the inner circumferential cylinder 3b having a closed cylindrical shape.
次側内極４は略り字状の導電性金属片がらなり、立設部
４ａには外部のリード線を取付ける取付孔４ｂを有し、
平膜部４ｃの中心には前記内周円筒３ｂの取付孔３ｅに
係合する取付孔４ｄが設けてあって、ネジ７によって螺
着される。この平膜部４ｃの中央端面に下方に向かって
垂設した突出部は回止め４ｅであって、内周円筒３ｂの
上面に設けられた係止孔３ｆに挿入係止されるものであ
る。The next inner pole 4 is made of an abbreviated conductive metal piece, and the upright part 4a has a mounting hole 4b for attaching an external lead wire.
A mounting hole 4d that engages with the mounting hole 3e of the inner circumferential cylinder 3b is provided at the center of the flat membrane portion 4c, and is screwed into the mounting hole 4d with a screw 7. A protruding portion extending downward from the central end surface of the flat membrane portion 4c is a rotation stopper 4e, which is inserted and locked into a locking hole 3f provided on the upper surface of the inner circumferential cylinder 3b.
前記二次側導体３の上面に載置される取付板６は、前記
スペーサ２と同様にポリアセタールまたはナイロン等の
合成樹脂による絶縁材で成形された略正方形の平板であ
って、上面中央部には前記二次側内極４の立設部４ａを
挿通する横長の長孔６ａを有する台部６ｂが形成しであ
る。この長孔６ａの方向に対して直角方向には、前記二
次側導体３の取付部３ｃに設けた取付孔３ｄと対応する
貫通孔６ｃが複数個形成してあり、また、取付板６の四
隅には他の機器に取付けるための取付孔６ｄが形成しで
ある。この取付板６の裏側には前記二次側導体３の上面
端面に被着される溝部（図示していない）が形成してあ
り、これによって取付板６は二次側導体３に被着嵌合さ
れる構成になっている。The mounting plate 6 placed on the upper surface of the secondary conductor 3 is a substantially square flat plate molded from an insulating material made of synthetic resin such as polyacetal or nylon, similar to the spacer 2. A base portion 6b is formed which has a horizontally elongated hole 6a through which the upright portion 4a of the secondary inner pole 4 is inserted. A plurality of through holes 6c are formed in the direction perpendicular to the direction of the elongated hole 6a, and correspond to the mounting holes 3d provided in the mounting portion 3c of the secondary conductor 3. Attachment holes 6d for attaching to other equipment are formed at the four corners. A groove (not shown) is formed on the back side of the mounting plate 6 to be attached to the upper end surface of the secondary conductor 3, so that the mounting plate 6 can be attached to the secondary conductor 3. It is configured to match.
二次側外極５は導電性金属板で前記取付板６上に密接し
て配設される平板部５ａと、この平板部５ａに立設され
た一対の極板部５ｂとより形成されている。そして、平
板部５ａの中心部には前記取付板６上の台部６ｂを貫通
させる長孔５ｃが、前記極板部５ｂの一対の向い合う方
向に形成しである。このような平板部５ａの極板部５ｂ
を形成してない幅方向の長さは、前記取付板６の一辺の
長さにほぼ合わせてあって、その端面近傍には一次側導
体３の取付部３ｃ上の取付孔３ｄ、取付板６の貫通孔６
ｃに対応する取付孔５ｄが複数個形成してあり、また、
前記取付板６上の取付孔６ｄに相当する個所は除去して
あって、取付板６上よりネジ等によって別設された機器
に螺着しても、二次側外極５の絶縁が図られている。The secondary outer pole 5 is a conductive metal plate and is formed of a flat plate portion 5a disposed in close contact with the mounting plate 6, and a pair of electrode plate portions 5b standing upright from the flat plate portion 5a. There is. A long hole 5c is formed in the center of the flat plate part 5a so as to pass through the pedestal part 6b on the mounting plate 6 in the opposite direction of the electrode plate part 5b. The polar plate portion 5b of such a flat plate portion 5a
The length in the width direction without forming a hole is approximately the same as the length of one side of the mounting plate 6, and the mounting hole 3d on the mounting portion 3c of the primary conductor 3 and the mounting hole 3d on the mounting plate 6 are located near the end surface of the mounting plate 6. through hole 6
A plurality of mounting holes 5d corresponding to c are formed, and
The portion corresponding to the mounting hole 6d on the mounting plate 6 has been removed, so that even if it is screwed onto a separately installed device from the mounting plate 6 with screws, etc., the insulation of the secondary outer pole 5 is maintained. It is being
以上述べた構成によるスイッチング電源トランスの組立
工程は、次のように行えば簡単に作成することができる
。。先ず、トロイダルコイル１の下側よりスペーサ２を
嵌め込み、このスペーサ２を二次側導体３の内周円筒３
ｂに取付けてトロイダルコイル１の引出線１ａ、、ｌｂ
を処理する。次に、内周円筒３ｂ上に二次側内極４をネ
ジ７を介して締着し二次側内極４の立設部４ｂに取付板
６の長孔６ａを合わせて挿着し、取付板６の裏側に設け
た溝部を二次側導体３の外周円筒３ａに被着嵌合させる
。このとき取付板６の貫通孔６ｃが外周円筒３ａの取付
部３ｃに設けた取付孔３ｄに合っていることを確認し、
取付板６上に二次側外極５を載置する。そして、二次側
外極５上の長孔５Ｃを取付板６の台部６ｂに嵌合させ、
取付孔６ｃに取付ネジ８を挿入して二次側導体３の取付
部３ｃに螺着すれば第２図に示すように組立てることが
できる。The switching power supply transformer having the configuration described above can be easily assembled by performing the following steps. . First, the spacer 2 is fitted from the lower side of the toroidal coil 1, and this spacer 2 is inserted into the inner peripheral cylinder 3 of the secondary conductor 3.
b and the lead wires 1a, lb of the toroidal coil 1.
process. Next, the secondary inner pole 4 is fastened onto the inner circumferential cylinder 3b via the screw 7, and the elongated hole 6a of the mounting plate 6 is aligned with the upright portion 4b of the secondary inner pole 4 and inserted. A groove provided on the back side of the mounting plate 6 is fitted into the outer cylinder 3a of the secondary conductor 3. At this time, confirm that the through hole 6c of the mounting plate 6 matches the mounting hole 3d provided in the mounting portion 3c of the outer cylinder 3a,
The secondary outer pole 5 is placed on the mounting plate 6. Then, the elongated hole 5C on the secondary outer pole 5 is fitted into the base portion 6b of the mounting plate 6,
By inserting the mounting screw 8 into the mounting hole 6c and screwing it onto the mounting portion 3c of the secondary conductor 3, the assembly can be completed as shown in FIG.
このように本発明のスイッチング電源トランスは簡単に
組立てられ、しかもハンダ付等による接続個所がないた
め、組立てが容易で、しかも仕上がりも良好で外観のバ
ラツキがない。As described above, the switching power transformer of the present invention can be easily assembled, and since there are no connection points such as soldering, assembly is easy, and the finish is good and there is no variation in appearance.
また、トロイダルコイル１の内周、外周および底面は二
次側導体３によって被覆されているので、リーケージフ
ラックスが抑えられ、かつ導体表面が大きいので、高周
波電流の表皮効果も大きくリーケージインダクタンスが
少ない優れた特徴がある。In addition, since the inner periphery, outer periphery, and bottom surface of the toroidal coil 1 are covered with the secondary conductor 3, leakage flux is suppressed, and since the conductor surface is large, the skin effect of high-frequency current is large, and leakage inductance is small. It has some characteristics.
（発明の効果）
以上詳細に説明したように、本発明のスイッチング電源
トランスは、アモルファスを使用したトロイダルコアに
一次側巻線１ａを巻回してなるトロイダルコイル１と、
このトロイダルコイル１の内周面および底面側に設けら
れるスペーサ２と、このスペーサ２を設けた前記トロイ
ダルコイル１を内包し、かつその内・外周面および底部
を覆う二次側導体３とを備え、この二次側導体３は有底
円筒状の外周円筒３ａと、その内側に設けられ、かつ上
部に二次側内極４が取付けられる有蓋円筒状の内周円筒
３ｂとを有するとともに、前記外周円筒３ａの上端面に
は外側方向に延びる取付部３ｃが形成され、この二次側
導体３上に、前記二次側導体３を上方に貫設する挿通孔
６ａ合有し、かつ他の機器への取付用の絶縁物からなる
取付板６を設け、この取付板６上に、前記二次側導体４
を絶縁状態で貫設して露出させる長孔５Ｃを有し、かつ
極板部５ｂを有する二次側外極５を設け、この二次側外
極５を前記二次側導体３の取付部３ｃに螺着するように
したから、ハンダ付けによらず、−次側内極および二次
側外極の接続を容易に、しかも誰でもできることとなり
、組立性が向上し、加えて組立られた製品の外観のバラ
ツキが生ずることばな４．Ｔ）という効果がある。(Effects of the Invention) As explained in detail above, the switching power transformer of the present invention includes a toroidal coil 1 formed by winding the primary winding 1a around a toroidal core using an amorphous material,
It includes a spacer 2 provided on the inner circumferential surface and the bottom side of this toroidal coil 1, and a secondary side conductor 3 that encloses the toroidal coil 1 provided with this spacer 2 and covers the inner and outer circumferential surfaces and the bottom thereof. , this secondary conductor 3 has an outer circumferential cylinder 3a having a bottomed cylindrical shape, and an inner circumferential cylinder 3b having a covered cylindrical shape provided inside the outer circumferential cylinder 3a and having the secondary inner pole 4 attached to the upper part thereof. A mounting portion 3c extending outward is formed on the upper end surface of the outer circumferential cylinder 3a, and an insertion hole 6a that extends upwardly through the secondary conductor 3 is formed on the secondary conductor 3. A mounting plate 6 made of an insulator for mounting on equipment is provided, and the secondary conductor 4 is mounted on this mounting plate 6.
A secondary outer pole 5 is provided, which has a long hole 5C extending through and exposing the secondary conductor 3 in an insulated state, and has an electrode plate portion 5b. 3c, it is easy to connect the negative inner pole and the secondary outer pole without soldering, and anyone can do it, which improves the ease of assembly. Words that cause variations in product appearance 4. T).
また、本出願人によって提案されている先行技術におけ
る二次側内極板３４．トロイダルコイル３１上に設ける
スペーサ３２（第４図参照）等の部品を削減し得る効果
がある。Further, the secondary inner electrode plate 34 in the prior art proposed by the present applicant. This has the effect of reducing the number of parts such as the spacer 32 (see FIG. 4) provided on the toroidal coil 31.
第１図および第２図は本発明の一実施例で、第１図はス
イッチング電源トランスの分解斜視図、第２図は同組立
後の断面図、第３図は従来例の斜視図、第４図は本出願
人による先行技術を示す斜視図である。
１・・・・・トロイダルコイル
２ ・ ・
３ ・ ・
３ ａ ・
３ ｂ ・
３ ｃ ・
４ ・ ・
５ ・ ・
７．８
・スペーサ
・二次側導体
・外周円筒
・内周円筒
・取付部
・二次側内極
・二次側外極
・ネジFigures 1 and 2 show one embodiment of the present invention; Figure 1 is an exploded perspective view of a switching power transformer; Figure 2 is a sectional view of the same after assembly; Figure 3 is a perspective view of a conventional example; FIG. 4 is a perspective view showing a prior art by the present applicant. 1... Toroidal coil 2 ・ ・ 3 ・ ・ 3 a ・ 3 b ・ 3 c ・ 4 ・ ・ 5 ・ 7.8 ・Spacer・Secondary side conductor・Outer circumference cylinder・Inner circumference cylinder・Mounting part・Secondary inner pole/secondary outer pole/screw
Claims (1)
ａを巻回してなるトロイダルコイル１と、このトロイダ
ルコイル１の内周面および底面側に設けられるスペーサ
２と、このスペーサ２を設けた前記トロイダルコイル１
を内包し、かつその内・外周面および底部を覆う二次側
導体３とを備え、この二次側導体３は有底円筒状の外周
円筒３ａと、その内側に設けられ、かつ上部に二次側内
極４が取付けられる有蓋円筒状の内周円筒３ｂとを有す
るとともに、前記外周円筒３ａの上端面には外側方向に
延びる取付部３ｃが形成され、この二次側導体３上に、
前記二次側導体３を上方に貫設する挿通孔６ａを有し、
かつ他の機器への取付用の絶縁物からなる取付板６を設
け、この取付板６上に、前記二次側導体４を絶縁状態で
貫設して露出させる長孔５ｃを有し、かつ極板部５ｂを
有する二次側外極５を設け、この二次側外極５を前記二
次側導体３の取付部３ｃに螺着したことを特徴とするス
イッチング電源トランス。Primary winding 1 in a toroidal core using amorphous
a, a spacer 2 provided on the inner peripheral surface and bottom side of this toroidal coil 1, and the toroidal coil 1 provided with this spacer 2.
The secondary conductor 3 includes an outer circumferential cylinder 3a having a bottomed cylindrical shape, and a secondary conductor 3 which is provided inside the outer circumferential cylinder 3a and has a secondary conductor 3 on the top thereof. It has an inner circumferential cylinder 3b in the form of a covered cylinder to which the next inner pole 4 is attached, and an attachment part 3c extending outward is formed on the upper end surface of the outer circumferential cylinder 3a, and on this secondary conductor 3,
It has an insertion hole 6a that penetrates the secondary conductor 3 upwardly,
and a mounting plate 6 made of an insulating material for mounting to other equipment is provided, and a long hole 5c is provided on the mounting plate 6 through which the secondary conductor 4 is inserted in an insulated state and exposed. A switching power supply transformer characterized in that a secondary outer pole 5 having a plate portion 5b is provided, and the secondary outer pole 5 is screwed onto a mounting portion 3c of the secondary conductor 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63299997A JPH02146710A (en) | 1988-11-28 | 1988-11-28 | Switching power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63299997A JPH02146710A (en) | 1988-11-28 | 1988-11-28 | Switching power transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02146710A true JPH02146710A (en) | 1990-06-05 |
| JPH0558642B2 JPH0558642B2 (en) | 1993-08-27 |
Family
ID=17879492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63299997A Granted JPH02146710A (en) | 1988-11-28 | 1988-11-28 | Switching power transformer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02146710A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009231787A (en) * | 2008-02-26 | 2009-10-08 | Denso Corp | Transformer |
-
1988
- 1988-11-28 JP JP63299997A patent/JPH02146710A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009231787A (en) * | 2008-02-26 | 2009-10-08 | Denso Corp | Transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0558642B2 (en) | 1993-08-27 |
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