JPS63266807A - Miniature transformer - Google Patents
Miniature transformerInfo
- Publication number
- JPS63266807A JPS63266807A JP62099681A JP9968187A JPS63266807A JP S63266807 A JPS63266807 A JP S63266807A JP 62099681 A JP62099681 A JP 62099681A JP 9968187 A JP9968187 A JP 9968187A JP S63266807 A JPS63266807 A JP S63266807A
- Authority
- JP
- Japan
- Prior art keywords
- voltage side
- side coil
- low
- coils
- small 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.)
- Granted
Links
- 230000004907 flux Effects 0.000 abstract description 3
- 230000020169 heat generation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 18
- 239000003990 capacitor Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
この発明は、電気機器、通信機器その他写真撮影用の閃
光放電発光器などに利用するところの小形トランスに関
する。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a small transformer used in electrical equipment, communication equipment, flash discharge light emitters for photography, and the like.
「従来の技術」
小形トランスには様々な構成のものがあるが、その−例
を第１５図に示す。"Prior Art" There are various configurations of small transformers, an example of which is shown in FIG.
この図において、１１は小形トランスである。１２．１
３はフェライト材からなる同形状のＥ形コアで、これら
は各脚端を接合固定させて閉磁路１４．１５を形成する
ようになっている。In this figure, 11 is a small transformer. 12.1
Reference numeral 3 denotes an E-shaped core of the same shape made of ferrite material, each leg end of which is joined and fixed to form a closed magnetic circuit 14, 15.
１６は低圧側コイル、１７は高圧側コイルで、これらは
上記コア１２．１３の中央脚に装備されている。なお、
上記コア１２．１３の中央脚間に多少のギャップを設け
たものもあり、また、コイル１６．１７はボビンの筒状
部に巻線され、ボビン筒状部内にコア１２．１３の中央
脚を挿入させた構成のものが多い。16 is a low voltage side coil, 17 is a high voltage side coil, and these are installed in the center leg of the core 12.13. In addition,
Some have some gap between the central legs of the core 12.13, and the coil 16.17 is wound around the cylindrical part of the bobbin, and the central leg of the core 12.13 is wound within the cylindrical part of the bobbin. There are many configurations in which it is inserted.
第１６図は上記した小形トランスを写真撮影用の閃光放
電発光器に組み込んだ回路図である。FIG. 16 is a circuit diagram in which the above-mentioned small transformer is incorporated into a flash discharge light emitting device for photography.
この回路では、小形トランス１１が、発振トランジスタ
１８．１９、時定回路を形成する抵抗２０及びコンデン
サ２１、ダイオード２２などと共にＤＣ−ＤＣコンバー
タを形成しており、低圧側に接続された電池電源２４の
直流電圧を昇圧し、その出力電圧によってメーンコンデ
ンサ２３を充電する構成となっている。In this circuit, a small transformer 11 forms a DC-DC converter together with an oscillation transistor 18, 19, a resistor 20 forming a time constant circuit, a capacitor 21, a diode 22, etc., and a battery power source 24 connected to the low voltage side. The main capacitor 23 is charged by the output voltage.
その他、この図において、２５はメーンコンデンサ２３
が所定の電圧まで充電されることによって点灯するネオ
ンランプ、２６はトリガー回路、２７はキセノン放電管
、２８．２９は動作安定用のコンデンサ、３０は発振ト
ランジスタ１８．１９を保護するダイオード、３１は電
源スィッチである。In addition, in this figure, 25 is the main capacitor 23
26 is a trigger circuit, 27 is a xenon discharge tube, 28.29 is a capacitor for stabilizing operation, 30 is a diode that protects the oscillation transistor 18.19, 31 is a neon lamp that lights up when it is charged to a predetermined voltage. It is a power switch.
「発明が解決しようとする問題点」
上記したような小形トランス１１は外形を小形化し、可
能なるかぎリパワーアツプさせることが重大な問題であ
る。"Problems to be Solved by the Invention" It is a serious problem to reduce the size of the small transformer 11 as described above and to increase the power as much as possible.
例えば、第１６図に示したように閃光放電発光器に利用
する場合には、組み込みスペースが少なく、その上、メ
ーンコンデンサ２３の充電時間を可能なる限り短縮させ
るものであることが必要になる。For example, when the device is used in a flash discharge light emitting device as shown in FIG. 16, it is necessary that the installation space is small and that the charging time of the main capacitor 23 is shortened as much as possible.
一方、このように利用される小形トランス１１は可成り
高温の熱が発生するため、トランス自体の絶縁破壊のみ
ならず、周囲の回路部品に対する加熱の問題がある
この発熱の問題は、閃光放電発光器がカメラに内蔵され
る場合に、上記小形トランス１１が各回路部品と共にカ
メラ内の狭い空間に組み込まれる関係で、特にその弊害
が大きくなる。On the other hand, since the small transformer 11 used in this way generates heat at a fairly high temperature, the problem of this heat generation is not only dielectric breakdown of the transformer itself but also heating of surrounding circuit components. When the device is built into a camera, the problem becomes especially serious because the small transformer 11 is installed together with various circuit components in a narrow space inside the camera.
「問題点を解決するための手段」
本発明は上記した問題点にかんがみ、極めて発熱の少な
い高効率の小形トランスを開発することを目的とする。"Means for Solving the Problems" In view of the above-mentioned problems, the present invention aims to develop a highly efficient compact transformer that generates extremely little heat.
しかして、本発明では、閉磁路を形成するコアに巻線さ
れた低圧側コイルと高圧側コイルとを備えた小形トラン
スにおいて、低圧側コイルと高圧側コイルとの各々を少
なくとも２以上に分割して」１記コアの各部所に設け、
分割した低圧側コイル間、分割した高圧側コイル間を各
々接続してなる小形トランスを提案する。Therefore, in the present invention, in a small transformer including a low voltage side coil and a high voltage side coil wound around a core forming a closed magnetic path, each of the low voltage side coil and the high voltage side coil is divided into at least two or more. 1) installed in each part of the core,
We propose a small transformer that connects the divided low-voltage side coils and the divided high-voltage side coils.
「実施例」 次に、本発明の実施例について図面に沿って説明する。"Example" Next, embodiments of the present invention will be described with reference to the drawings.
第１図は第１実施例を示す小形トランス３２の簡略図で
、この小形トランス３２は従来例と同じＥ形コア１２．
１３の左右脚にコイルを装備させて構成される。FIG. 1 is a simplified diagram of a small transformer 32 showing a first embodiment, and this small transformer 32 has an E-shaped core 12.
It consists of 13 left and right legs equipped with coils.
すなわち、脚端面を接合固定したコア１２．１３の左脚
には２分割した一方の低圧側コイル３３ａと２分割した
一方の高圧側コイル３４ａを設け、右脚には分割した他
方の低圧側コイル３３ｂと高圧側コイル３４ｂとが設け
てあり、さらに、低圧側コイル３３ａ、３３ｂはこれら
を並列に接続すると共に、高圧側コイル３４ａ、３４ｂ
はこれらを直列に接続しである。That is, the left leg of the core 12.13 whose leg end surfaces are bonded and fixed is provided with one low voltage side coil 33a divided into two and one high voltage side coil 34a divided into two, and the other divided low voltage side coil is provided in the right leg. 33b and a high voltage side coil 34b are provided, and low voltage side coils 33a and 33b are connected in parallel, and high voltage side coils 34a and 34b are connected in parallel.
are connected in series.
また、左脚の低圧側コイル３３ａ及び高圧側コイル３４
ａに比べて右脚の低圧側コイル３３ｂ及び高圧側コイル
３４ｂは逆巻線とし、コア１２．１３には図示するよう
な磁束３５が発生するようになしである。In addition, the low voltage side coil 33a and the high voltage side coil 34 of the left leg
The low-voltage side coil 33b and high-voltage side coil 34b of the right leg are reversely wound as compared to the coil 33b of the right leg, and there is no winding in the core 12.13 so that the magnetic flux 35 as shown in the figure is generated.
第２図は上記小形トランス３２を利用した閃光放電発光
器の回路例で、他の回路部品は第１６図の従来例のもの
と同じである。FIG. 2 shows a circuit example of a flash discharge light emitting device using the above-mentioned small transformer 32, and other circuit components are the same as those of the conventional example shown in FIG.
第３図は第２図に示す閃光放電発光器回路によって上記
小形トランス３２を実験して求められた効率特性曲線で
ある。なお、第３図では小形トランス３２の効率を３６
Ａとし、従来の小形トランス１１の効率３６Ｂと共に表
わしである。FIG. 3 is an efficiency characteristic curve obtained by experimenting with the small transformer 32 using the flash discharge light emitter circuit shown in FIG. In addition, in Fig. 3, the efficiency of the small transformer 32 is 36
A is shown together with the efficiency 36B of the conventional small transformer 11.
この実験結果より分かるように、小形トランス３２を使
用したＤＣ−ＤＣコンバータの場合には、チャージアッ
プタイム０．６〜２．０秒の範囲で８０％を越える効率
が保たれる。As can be seen from the experimental results, in the case of the DC-DC converter using the small transformer 32, efficiency exceeding 80% is maintained within a charge-up time range of 0.6 to 2.0 seconds.
これに対し、従来の小形トランス１１を使用したＤＣ−
ＤＣコンバータはチャージアップタイム０゜２秒の近く
で約８０％の効率となるが、その後はチャージアップタ
イムが長くなるに連れて徐々に低下する。In contrast, the DC-
The efficiency of the DC converter is about 80% near a charge-up time of 0.2 seconds, but thereafter it gradually decreases as the charge-up time becomes longer.
なお、この実験に使用した小形トランス３２は、低圧側
コイル３３ａ、３３ｂの各々が０．２５Φ（直径０．２
５ｍｍ）の導線を１４回と３／４巻線し、高圧側コイル
３４ａ、３４ｂの各々が０．０４Φ（直径０．０４ｍｍ
）の導線を４２０回巻線しである。In addition, in the small transformer 32 used in this experiment, each of the low voltage side coils 33a and 33b has a diameter of 0.25Φ (diameter 0.2
5mm) conductor wire is wound 14 times and 3/4 times, and each of the high voltage side coils 34a and 34b has a diameter of 0.04Φ (diameter 0.04mm).
) is wound 420 times.
また、従来の小形トランス１１は、低圧側コイル１６が
０．４Φ（直径０．４ｍｍ）の導線を１４回と３／４巻
線し、高圧側が０．０４Φ（直径０．０４ｍ ｍ ）の
導線を８４０回巻線しである。In addition, in the conventional small transformer 11, the low voltage side coil 16 has a 0.4 Φ (diameter 0.4 mm) conductor wire wound 14 times and 3/4 times, and the high voltage side has a 0.04 Φ (diameter 0.04 mm) conductor wire. The wire is wound 840 times.
その他の実験条件は小形トランス３２の場合も小形トラ
ンス１１の場合も同じであって、電池電源は５．７ボル
トを、メーンコンデンサ２３は２５７μＦのものを各々
使用しである。Other experimental conditions were the same for both the small transformer 32 and the small transformer 11, with the battery power source being 5.7 volts, and the main capacitor 23 being 257 μF.
第４図は上記実験によって求められたＤＣ−ＤＣコンバ
ータの周波数特性であり、小形トランス１１を使用した
ときの周波数特性曲線３７Ｂに比べて小形トランス３２
を使用することによって特性曲線３７Ａのように周波数
が高くなることが判明した。FIG. 4 shows the frequency characteristics of the DC-DC converter obtained through the above experiment, and compared to the frequency characteristic curve 37B when using the small transformer 11, the small transformer
It has been found that by using this, the frequency becomes higher as shown in characteristic curve 37A.
また、メーンコンデンサ２３が所定値まで充電される毎
にキセノン放電管２７を発光させてリサイクルタイムを
測定したところ、第５図に示すような測定結果が求めら
れた。Furthermore, each time the main capacitor 23 was charged to a predetermined value, the xenon discharge tube 27 was made to emit light to measure the recycling time, and the measurement results shown in FIG. 5 were obtained.
発光回数１０回、２０回、３０回・・・・・・というよ
うにして測定したが、小形トランス１１を使用したタイ
ム曲線３８Ｂに比べて、小形トランス３２を用いた場合
にはタイム曲線３８Ａのように短縮されることが分かっ
た。Measurements were made by emitting light 10 times, 20 times, 30 times, etc., but compared to the time curve 38B using the small transformer 11, the time curve 38A when using the small transformer 32 was It turns out that it can be shortened to:
以上の実験結果より理解できるように、第１図に示す小
形トランス３２は従来の小形トランス１１に比較して可
成り高効率に稼働し、メーンコンデンサ２３の充電時間
を充分に短縮させることがで、きる。As can be understood from the above experimental results, the small transformer 32 shown in FIG. ,Wear.
なお、従来の小形トランス１１を使用したときの充電時
間と同程度の効果を期待するならば、なお一層トランス
形態を小形化することが可能である。Incidentally, if an effect comparable to the charging time when using the conventional small transformer 11 is expected, it is possible to further reduce the size of the transformer.
次に、トランス温度の測定結果について第６図に示す。Next, FIG. 6 shows the measurement results of the transformer temperature.
このグラフは横軸に発光回数を、縦軸に１ヘランスの温
度を各々目盛って画いた温度特性曲線で、曲線３９Ａは
小形トランス３２の高圧側コイル３４ａ、３４ｂを抵抗
法で測定し温度換算した温度、曲線４ＯＡは同トランス
３２のコイル外表面温度、４１Ａはコア１２．１３の表
面温度を各々示している。This graph is a temperature characteristic curve in which the horizontal axis represents the number of light emissions and the vertical axis represents the temperature per Herance.Curve 39A is a temperature characteristic curve obtained by measuring the high voltage side coils 34a and 34b of the small transformer 32 using the resistance method. The curve 4OA shows the outer surface temperature of the coil of the transformer 32, and the curve 41A shows the surface temperature of the core 12.13.
これに対し、曲線３９Ｂは従来の小形ｌ−ランス１１の
高圧側コイル１７を抵抗法で測定した温度、曲線４．
ＯＢは同トランス１１のコイル外表面温度、曲線４１Ｂ
はコア１２．１３の表面温度を各々示す。On the other hand, curve 39B is the temperature measured by the resistance method of the high voltage side coil 17 of the conventional small L-lance 11, and curve 4.
OB is the outer surface temperature of the coil of the same transformer 11, curve 41B
represent the surface temperatures of the cores 12 and 13, respectively.
この測定結果より分かるように、従来の小形トランス１
１の温度はコイル外表面及びコア表面が共に上記小形ト
ランス３２に比べて高くなり、特に、上記小形トランス
３２では約４０℃以下に抑えることができるが、従来の
小形トランス１１の温度は発光回数が増すに連れて徐々
に上昇する。As can be seen from this measurement result, the conventional small transformer 1
The temperature of both the outer surface of the coil and the core surface of the transformer 1 is higher than that of the small transformer 32, and in particular, the temperature of the small transformer 11 can be suppressed to about 40°C or less, but the temperature of the conventional small transformer 11 is higher than the number of times of light emission. It gradually rises as the value increases.
第７図はＥ形コアを用いた第２実施例を示す小形トラン
ス４２の簡略図を示す。この実施例では低圧側コイル３
３ａ、３３ｂ、高圧側コイル３４ ａ、３４、 ｂを同
方向に巻線し、磁束４３が図示するように発生する構成
としである。FIG. 7 shows a simplified diagram of a small transformer 42 showing a second embodiment using an E-shaped core. In this embodiment, the low voltage side coil 3
3a, 33b and high-voltage side coils 34a, 34, b are wound in the same direction, and magnetic flux 43 is generated as shown in the figure.
第８図は２つのコ字形コア４４．４５の脚端面を接合固
定した第３実施例としての小形トランス４６を示し、上
記コア４４．４５の一方脚に低圧側コイル３３ａと高圧
側コイル３４ａを、他方脚に低圧側コイル３３ｂと高圧
側コイル３４− ｂを設けて構成しである。FIG. 8 shows a small transformer 46 as a third embodiment in which the leg end surfaces of two U-shaped cores 44, 45 are joined and fixed, and a low voltage side coil 33a and a high voltage side coil 34a are attached to one leg of the cores 44, 45. , the other leg is provided with a low voltage side coil 33b and a high voltage side coil 34-b.
これらの小形トランス４２．４６は第１図のものに比べ
て効率特性、温度特性などについては同様の効果を得る
。These small transformers 42 and 46 achieve similar effects in terms of efficiency characteristics, temperature characteristics, etc., as compared to those shown in FIG.
上記実施例では、閃光放電発光器用の小形１〜ランスと
して利用するため、低圧側コイル３３ａ、３３ｂを並列
に、高圧側コイル３４− ａ、３４． ｂを直列に各々
接続したが、分割したコイルの接続はこれにかぎらず、
第９図及び第１０図に示したように、低圧側コイル３３
ａ、３３ｂと高圧側コイル３４ａ、３４． ｂとの各々
を並列に、或いは直列に接続など必要に応じた接続構成
とすることができる。In the above embodiment, the low voltage side coils 33a, 33b are connected in parallel, and the high voltage side coils 34-a, 34. b are connected in series, but the connection of the divided coils is not limited to this.
As shown in FIGS. 9 and 10, the low voltage side coil 33
a, 33b and high voltage side coils 34a, 34. b can be connected in parallel or in series as required.
また、低圧側コイルと高圧側コイルは２分割にかぎらず
、それ以上の分割数としてもよい。Moreover, the low voltage side coil and the high voltage side coil are not limited to two divisions, but may be divided into a larger number of divisions.
第１１図〜第１３図は２つの４脚コア４７、／＋８を用
いて低圧側及び高圧側のコイル３３．３４を４分割して
設けた小形トランス４９を示す実施例である。11 to 13 show an embodiment of a small transformer 49 in which the low-voltage side and high-voltage side coils 33, 34 are divided into four using two four-legged cores 47, /+8.
さらに、本発明を実施するに当たって第１４図に示すよ
うに実施することもできる。Furthermore, the present invention can also be implemented as shown in FIG. 14.
この実施例は一対の口字形コア４４．４５と他の一対の
口字形コア５０．５１を設け、コア４４．４５には低圧
側コイル３３ａ及び高圧側コイル３４ａを、コア５０．
５１には低圧側コイル３３ｂ、及び高圧側コイル３４ｂ
を各々設けて構成しである。In this embodiment, a pair of opening-shaped cores 44.45 and another pair of opening-shaped cores 50.51 are provided.The core 44.45 has a low voltage side coil 33a and a high voltage side coil 34a, and the core 50.45 has a low voltage side coil 33a and a high voltage side coil 34a.
51 includes a low voltage side coil 33b and a high voltage side coil 34b.
It is configured by providing each of them.
以上本発明の各実施例について説明したが、コアはフェ
ライトコアにかぎらず、積層コアなどであってもよく、
また、コア形状は任意に変更することができる。Although each embodiment of the present invention has been described above, the core is not limited to a ferrite core, but may also be a laminated core, etc.
Moreover, the core shape can be changed arbitrarily.
「発明の効果」
上記した通り、本発明の小形トランスは低圧側コイルと
高圧側コイルとを少なくとも２以上に分割し、分割した
各コイルを閉磁路コアの各々の部所に設ける構成とした
ので、温度上昇の少ない高効率のトランスとなる。"Effects of the Invention" As described above, the small transformer of the present invention has a structure in which the low-voltage side coil and the high-voltage side coil are divided into at least two or more, and each divided coil is provided in each part of the closed magnetic circuit core. , resulting in a highly efficient transformer with little temperature rise.
ｒ １１ ）
このことから、トランス形態の一層の小形化が可能にな
ると共に、特に、他の回路部品に対する温度の影響が少
なく実用的に極めて有利である。r 11 ) This makes it possible to further reduce the size of the transformer, and in particular, there is little influence of temperature on other circuit components, which is extremely advantageous in practice.
第１図は本発明の第１実施例を示す小形トランスの簡略
図、第２図は上記小形トランスを利用した閃光放電発光
器の回路図、第３図は上記小形トランスに用いたＤＣ−
ＤＣコンバータの効率を示す特性図、第４図は上記小形
トランスを用いたＤＣ−ＤＣコンバータの周波数特性図
、第５図は上記閃光放電発光器のリサイクルタイムの測
定結果を示す図、第６図は上記小形トランスの温度上昇
を示す図、第７図はＥ形コアを用いた第２実施例を示す
小形トランスの簡略図、第８図は口字形コアを用いた第
３実施例を示す小形トランスの簡略図、第９図及び第１
０図は分割した低圧側コイルと高圧側コイルの接続例を
示す回路図、第１１図は４脚コアを示す斜視図、第１２
図は上記４脚コアアを使用して低圧側コイルと高圧側コ
イルとを４分割して構成した小形トランスの簡略断面図
、ｔｌつ）
第１３図は第１２図に示す小形トランスの電気回路図、
第１４図は２対の口字形コアを用いて実施した小形トラ
ンスの簡略図、第１５図は従来の小形トランスを示す簡
略図、第１６図は従来の小形トランスを利用した閃光放
電発光器の回路図である。
１２．１３・・・・Ｅ形コア
３２．４２．４６．４９・・・・小形トランス３３ａ、
３３ｂ・・・・低圧側コイル
３４ａ、３４ｂ・・・・高圧側コイル
４４．４５・・・・口字形コア
４７．４８・・・・４脚コア
（ｌＺ）
２人−ン尖 １ゝ ビー５へ １２ 八属 １棗宝
Ｆダ縫万
２訃へ）＼）イ論
み・隨々咳・四 ν
第１１図
第１４図
第１５図FIG. 1 is a simplified diagram of a small transformer showing a first embodiment of the present invention, FIG. 2 is a circuit diagram of a flash discharge light emitting device using the above small transformer, and FIG.
A characteristic diagram showing the efficiency of the DC converter, Figure 4 is a frequency characteristic diagram of the DC-DC converter using the above-mentioned small transformer, Figure 5 is a diagram showing the measurement results of the recycle time of the above-mentioned flash discharge light emitter, and Figure 6 is a diagram showing the temperature rise of the above-mentioned small transformer, FIG. 7 is a simplified diagram of a small transformer showing a second embodiment using an E-shaped core, and FIG. 8 is a diagram showing a third embodiment of a small transformer using a mouth-shaped core. Simplified diagram of transformer, Figures 9 and 1
Figure 0 is a circuit diagram showing an example of connection between the divided low-voltage side coil and high-voltage side coil, Figure 11 is a perspective view showing a four-legged core, and Figure 12
The figure is a simplified sectional view of a small transformer constructed by dividing the low-voltage side coil and high-voltage side coil into four parts using the four-leg core described above. Figure 13 is an electrical circuit diagram of the small transformer shown in Figure 12. ,
Fig. 14 is a simplified diagram of a small transformer implemented using two pairs of mouth-shaped cores, Fig. 15 is a simplified diagram showing a conventional small transformer, and Fig. 16 is a schematic diagram of a flash discharge light emitting device using a conventional small transformer. It is a circuit diagram. 12.13...E-type core 32.42.46.49...Small transformer 33a,
33b...Low-voltage side coil 34a, 34b...High-voltage side coil 44.45...Cuff-shaped core 47.48...4-legged core (lZ) 2-person tip 1ゝ Bee 5 To 12 Eight Genus 1 Natsume F Da Nui Man 2 To) ＼) I Argument/Deep Cough/4 ν Fig. 11 Fig. 14 Fig. 15
Claims (2)
と高圧側コイルとを備えた小形トランスにおいて、低圧
側コイルと高圧側コイルとの各々を少なくとも２以上に
分割して上記コアの各部所に設け、分割した低圧側コイ
ル間、分割した高圧側コイル間を各々接続してなる小形
トランス。(1) In a small transformer equipped with a low-voltage side coil and a high-voltage side coil wound around a core forming a closed magnetic path, each of the low-voltage side coil and the high-voltage side coil is divided into at least two or more parts. A small transformer that is installed at each location and connects the divided low-voltage side coils and the divided high-voltage side coils.
分割した第１の低圧側コイルと第１の高圧側コイルとを
設けると共に、その右脚に分割された第２の低圧側コイ
ルと第２の高圧側コイルとを設け、上記第１、第２の低
圧側コイルを並列に、上記第１、第２の高圧側コイルを
直列に各々接続してなる特許請求の範囲第（１）項に記
載した小形トランス。(2) A first low-voltage side coil and a first high-voltage side coil are provided on the left leg of a closed magnetic circuit core in which two E-shaped cores face each other, and a second divided coil is provided on the right leg of the closed magnetic circuit core. Claims comprising a low voltage side coil and a second high voltage side coil, the first and second low voltage side coils being connected in parallel, and the first and second high voltage side coils being connected in series. The small transformer described in paragraph (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62099681A JPH0831374B2 (en) | 1987-04-24 | 1987-04-24 | Small transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62099681A JPH0831374B2 (en) | 1987-04-24 | 1987-04-24 | Small transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63266807A true JPS63266807A (en) | 1988-11-02 |
| JPH0831374B2 JPH0831374B2 (en) | 1996-03-27 |
Family
ID=14253774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62099681A Expired - Fee Related JPH0831374B2 (en) | 1987-04-24 | 1987-04-24 | Small transformer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0831374B2 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10241957A (en) * | 1997-02-28 | 1998-09-11 | Hitachi Ferrite Electronics Ltd | High-voltage transformer |
| JP2006147978A (en) * | 2004-11-24 | 2006-06-08 | Kijima:Kk | Small transformer |
| JP2006319176A (en) * | 2005-05-13 | 2006-11-24 | Fuji Electric Fa Components & Systems Co Ltd | Compound reactor |
| JP2008016468A (en) * | 2006-07-03 | 2008-01-24 | Matsushita Electric Ind Co Ltd | Transformer |
| JP2008060441A (en) * | 2006-09-01 | 2008-03-13 | Tokyo Parts Ind Co Ltd | Inverter transformer |
| JP2014093404A (en) * | 2012-11-02 | 2014-05-19 | Tdk Corp | Coil device |
| JP2014093405A (en) * | 2012-11-02 | 2014-05-19 | Tdk Corp | Coil device |
| CN105702435A (en) * | 2014-11-26 | 2016-06-22 | 特变电工衡阳变压器有限公司 | Deicing rectification transformer |
| WO2018070199A1 (en) * | 2016-10-12 | 2018-04-19 | オムロン株式会社 | Coil component and power source device comprising same |
| WO2020195275A1 (en) * | 2019-03-26 | 2020-10-01 | パナソニックＩｐマネジメント株式会社 | Transformer and switching power supply device |
| JP2021136362A (en) * | 2020-02-28 | 2021-09-13 | Tdk株式会社 | Transformer, power conversion device, and power conversion system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5348961U (en) * | 1976-09-30 | 1978-04-25 | ||
| JPS59129408A (en) * | 1982-10-15 | 1984-07-25 | マイクロ・インダストリ−ズ・コ−ポレ−シヨン | Transformer having separated coil windings |
-
1987
- 1987-04-24 JP JP62099681A patent/JPH0831374B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5348961U (en) * | 1976-09-30 | 1978-04-25 | ||
| JPS59129408A (en) * | 1982-10-15 | 1984-07-25 | マイクロ・インダストリ−ズ・コ−ポレ−シヨン | Transformer having separated coil windings |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10241957A (en) * | 1997-02-28 | 1998-09-11 | Hitachi Ferrite Electronics Ltd | High-voltage transformer |
| JP2006147978A (en) * | 2004-11-24 | 2006-06-08 | Kijima:Kk | Small transformer |
| JP4496556B2 (en) * | 2004-11-24 | 2010-07-07 | 株式会社キジマ | Small transformer |
| JP2006319176A (en) * | 2005-05-13 | 2006-11-24 | Fuji Electric Fa Components & Systems Co Ltd | Compound reactor |
| JP2008016468A (en) * | 2006-07-03 | 2008-01-24 | Matsushita Electric Ind Co Ltd | Transformer |
| JP2008060441A (en) * | 2006-09-01 | 2008-03-13 | Tokyo Parts Ind Co Ltd | Inverter transformer |
| JP2014093404A (en) * | 2012-11-02 | 2014-05-19 | Tdk Corp | Coil device |
| JP2014093405A (en) * | 2012-11-02 | 2014-05-19 | Tdk Corp | Coil device |
| CN105702435A (en) * | 2014-11-26 | 2016-06-22 | 特变电工衡阳变压器有限公司 | Deicing rectification transformer |
| CN105702435B (en) * | 2014-11-26 | 2019-01-08 | 特变电工衡阳变压器有限公司 | A kind of ice-melt rectifier transformer |
| WO2018070199A1 (en) * | 2016-10-12 | 2018-04-19 | オムロン株式会社 | Coil component and power source device comprising same |
| JP2018064010A (en) * | 2016-10-12 | 2018-04-19 | オムロン株式会社 | Coil component and power supply device including the same |
| WO2020195275A1 (en) * | 2019-03-26 | 2020-10-01 | パナソニックＩｐマネジメント株式会社 | Transformer and switching power supply device |
| CN113632362A (en) * | 2019-03-26 | 2021-11-09 | 松下知识产权经营株式会社 | Transformer and switching power supply device |
| CN113632362B (en) * | 2019-03-26 | 2024-06-28 | 松下知识产权经营株式会社 | Transformer and switching power supply device |
| JP2021136362A (en) * | 2020-02-28 | 2021-09-13 | Tdk株式会社 | Transformer, power conversion device, and power conversion system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0831374B2 (en) | 1996-03-27 |
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