JP3309049B2 - Transformer and manufacturing method thereof - Google Patents
Transformer and manufacturing method thereofInfo
- Publication number
- JP3309049B2 JP3309049B2 JP17470096A JP17470096A JP3309049B2 JP 3309049 B2 JP3309049 B2 JP 3309049B2 JP 17470096 A JP17470096 A JP 17470096A JP 17470096 A JP17470096 A JP 17470096A JP 3309049 B2 JP3309049 B2 JP 3309049B2
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- tip
- conductive member
- transformer
- connection
- 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 - Fee Related
Links
Landscapes
- Coils Of Transformers For General Uses (AREA)
- Coils Or Transformers For Communication (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【発明の属する技術分野】本発明は、各種映像機器、産
業機器等に用いるトランスおよびその製造方法に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transformer used for various video equipment, industrial equipment, and the like, and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】以下、従来のトランスについて図面を参
照しながら説明する。2. Description of the Related Art A conventional transformer will be described below with reference to the drawings.
【０００３】図８は従来のトランスの断面図であり、図
９は同トランスの端子の一端の拡大断面図、図１０は導
電部材と端子との接続状態を示す拡大断面図である。[0003] Figure 8 is a sectional view of a conventional transformer, FIG. 9 is an enlarged sectional view of one end of the transformer terminal, FIG. 10 is an enlarged sectional view showing a connection state between the conductive member and the terminal.
【０００４】図８，図９において、従来のトランスは、
貫通孔を有したボビン１と、このボビン１の貫通孔に挿
入したコア９と、ボビン１の鍔に植設するとともに、一
端および他端をボビン１から突出させた端子６と、端子
６の一端の先端部の引き回し端子部７に接続するととも
に、ボビン１の外周に巻装した巻線５と、端子６の一端
を突出させるボビン１の側面８、上面１０、下面１１の
外周を被覆する絶縁ケース２と、この下面１１を除い
て、絶縁ケース２上に被せたシールドケース３とを備え
ている。[0004] FIG. 8, 9, a conventional transformer,
A bobbin 1 having a through hole, a core 9 inserted into the through hole of the bobbin 1, a terminal 6 implanted in a flange of the bobbin 1 and having one end and the other end protruding from the bobbin 1; One end of the bobbin 1 is connected to the routing terminal portion 7 at one end and covers the outer periphery of the side surface 8, the upper surface 10, and the lower surface 11 of the bobbin 1 from which one end of the terminal 6 protrudes. It comprises an insulating case 2 and a shield case 3 covering the insulating case 2 except for the lower surface 11.
【０００５】また、端子６の一端と巻線５との接続は、
端子６の一端に巻線５の先端部１４を絡げて、半田によ
って接続しており、巻線５を絡げた端子６の一端の外周
には、半田部１３を形成している。The connection between one end of the terminal 6 and the winding 5 is
A distal end 14 of the winding 5 is tied to one end of the terminal 6 and connected by soldering. A solder portion 13 is formed on the outer periphery of one end of the terminal 6 tied to the winding 5.
【０００６】そして、この半田部は、先端が尖った半田
尖り部１２を形成した構成である。The solder portion has a configuration in which a solder point 12 having a sharp tip is formed.
【０００７】[0007]
【発明が解決しようとする課題】上記構成では、端子６
の一端である引き回し端子部７に半田接続して、半田部
１３を形成するが、この半田部１３は、図１０に示すよ
うに、先端が尖った半田尖り部１２となるので、端子６
の一端の長さが半田尖り部１２の分だけ長くなり、絶縁
ケース２の内壁に接触しやすくなる。これにより、絶縁
ケース２の内壁に接触すれば端子６の一端に応力が生じ
て、半田部１３が端子６から外れて、巻線５と端子６と
が非接続状態になったり、端子６が曲がって巻線５が切
断されたりして、電気的特性を劣化させるという問題点
を有していた。In the above configuration, the terminal 6
The soldering portion 13 is formed by soldering to the routing terminal portion 7 which is one end of the soldering terminal portion 7. As shown in FIG.
Becomes longer by the amount of the sharpened portion 12 of the solder, and easily comes into contact with the inner wall of the insulating case 2. As a result, when the terminal 6 comes into contact with the inner wall of the insulating case 2, a stress is generated at one end of the terminal 6, the solder portion 13 is separated from the terminal 6, and the winding 5 and the terminal 6 are disconnected, or the terminal 6 is disconnected. There was a problem that the winding 5 was bent and the electrical characteristics were deteriorated.
【０００８】また、半田尖り部１２は鋭利状なので、絶
縁ケース２を突き破り、その外側のシールドケース３に
接触して短絡したり、半田尖り部１２の鋭利状な部分に
電圧分布が集中して、耐電圧特性を劣化させたりすると
いう問題点をも有していた。Further, since the solder point 12 has a sharp shape, the solder point 12 breaks through the insulating case 2 and comes into contact with the shield case 3 on the outside thereof to short-circuit. Also, there is a problem that the withstand voltage characteristic is deteriorated.
【０００９】本発明は上記問題点を解決し、導電部材と
端子とが非接続状態になったり、導電部材が切断したり
して、電気的特性を劣化させることがなく、また、短絡
や耐電圧特性を劣化させたりすることのないトランスお
よびその製造方法を提供することを目的としている。The present invention solves the above-mentioned problems, and does not cause the conductive member and the terminal to be disconnected or the conductive member to be cut, thereby deteriorating the electrical characteristics, and also preventing short-circuiting and endurance. An object of the present invention is to provide a transformer and a method of manufacturing the transformer without deteriorating the voltage characteristics.
【００１０】[0010]
【課題を解決するための手段】上記目的を達成するため
に本発明は、本体と、前記本体に植設するとともに、少
なくとも一端を前記本体から突出させた端子と、前記端
子の一端に電気的接続をする接続部を先端部に有した導
電部材と、前記端子の一端を突出させる前記本体の一側
面の外周を少なくとも被覆するケースとを備え、前記導
電部材の先端部に有した接続部と、前記端子の一端の先
端部との接続部分は、溶融接合して接続した溶融接合部
であって、前記導電部材の先端部に有した接続部と、前
記端子の一端の先端部とを互いに溶融して一体化すると
ともに、前記端子の一端の先端部の形状を球形状にした
構成である。In order to achieve the above object, the present invention provides a main body, a terminal implanted in the main body, at least one end of which protrudes from the main body, and an electric terminal connected to one end of the terminal. A conductive member having a connecting portion at a distal end portion for connection, a case covering at least an outer periphery of one side surface of the main body for projecting one end of the terminal, and a connecting portion provided at a distal end portion of the conductive member; A connection portion of one end of the terminal with a tip portion is a fusion bonding portion connected by fusion bonding.
A connecting portion provided at a tip portion of the conductive member,
In this configuration, the tip of one end of the terminal is melted and integrated with each other, and the tip of the one end of the terminal has a spherical shape.
【００１１】また、その製造方法は、本体に、少なくと
も一端を突出するように端子を設ける第１工程と、前記
端子の一端の先端部に、導電部材の先端部に有した接続
部を電気的接続する第２工程と、前記端子の一端を突出
させる前記本体の一側面の外周に少なくともケースを配
置する第３工程とを備え、第３工程前に、前記導電部材
の先端部に有した接続部と、前記端子の一端の先端部と
の接続部分は、溶融接合して接続した溶融接合部とし、
前記導電部材の先端部に有した接続部と、前記端子の一
端の先端部とを互いに溶融して一体化するとともに、前
記端子の一端の先端部の形状を球形状にする工程を有し
た方法である。[0011] In the manufacturing method, a first step of providing a terminal on the main body so as to project at least one end, and electrically connecting a connecting portion provided at a distal end of the conductive member to a distal end of the terminal. A second step of connecting, and a third step of arranging at least a case on the outer periphery of one side surface of the main body for protruding one end of the terminal, and the connection provided at the tip of the conductive member before the third step And a tip of one end of the terminal
The connection part is a melt-bonded part that has been melt-bonded and connected ,
A connecting portion provided at a tip end of the conductive member;
This is a method including a step of fusing one end of the terminal to each other to integrate the two ends, and a step of forming the front end of one end of the terminal into a spherical shape.
【００１２】[0012]
【発明の実施の形態】本発明の請求項１記載の発明は、
本体と、前記本体に植設するとともに、少なくとも一端
を前記本体から突出させた端子と、前記端子の一端に電
気的接続をする接続部を先端部に有した導電部材と、前
記端子の一端を突出させる前記本体の一側面の外周を少
なくとも被覆するケースとを備え、前記導電部材の先端
部に有した接続部と、前記端子の一端の先端部との接続
部分は、溶融接合して接続した溶融接合部であって、前
記導電部材の先端部に有した接続部と、前記端子の一端
の先端部とを互いに溶融して一体化するとともに、前記
端子の一端の先端部の形状を球形状にした構成である。BEST MODE FOR CARRYING OUT THE INVENTION
A main body, a terminal implanted in the main body, a terminal having at least one end protruding from the main body, a conductive member having a connection portion for electrically connecting to one end of the terminal at a distal end, and one end of the terminal. and a case in which at least covers one wall part of the body to be protruded, and a connection portion having a distal end portion of the conductive member, the connection between one end of the tip portion of the terminal
The part is the fusion joint that was joined by fusion joining
A connecting portion provided at the tip of the conductive member, and one end of the terminal
Of the terminals are integrated with each other by melting, and the shape of the tip of one end of the terminal is spherical.
【００１３】上記構成により、端子の一端の長さが長く
なることがなく、ケースの内壁にはほとんど接触せず、
端子の一端に応力が生じることを抑制でき、端子と導電
部材との非接続や、端子の曲がりによる導電部材の切断
が生じることがなく、電気的特性の劣化を防止できる。
さらに、端子の一端の先端部は球形状なので、ケースを
突き破って短絡が発生したり、電圧分布の集中による耐
電圧特性の劣化が発生したりすることも防止できる。According to the above configuration, the length of one end of the terminal does not increase, and the terminal hardly contacts the inner wall of the case.
The generation of stress at one end of the terminal can be suppressed, and disconnection between the terminal and the conductive member or disconnection of the conductive member due to bending of the terminal does not occur, so that deterioration of electrical characteristics can be prevented.
Furthermore, since the tip of one end of the terminal is spherical, it is possible to prevent a short circuit from breaking through the case and a deterioration in withstand voltage characteristics due to concentration of the voltage distribution.
【００１４】また、端子の一端における本体からの突出
部を、端子の一端の先端部としているので、本体から端
子の一端の先端部の先端までの距離を短くでき、小型化
を図ることができる。Further, since the protruding portion at one end of the terminal from the main body is used as the front end of the one end of the terminal, the distance from the main body to the front end of the one end of the terminal can be shortened, and the size can be reduced. .
【００１５】さらに、導電部材と端子の一端とは、溶融
接合の溶融接合部により接続しているので、導電部材の
接続部と、端子の一端の先端部とが溶融されて、一体の
ものとなり、その接続が非常に強固になるとともに、半
田接続のような半田のはがれ等による電気的特性の劣化
がない。Furthermore, since the conductive member and one end of the terminal are connected by a fusion bonding portion of the fusion bonding, the connecting portion of the conductive member and the tip of one end of the terminal are fused to be integrated. In addition, the connection becomes very strong, and there is no deterioration in electrical characteristics due to solder peeling such as solder connection.
【００１６】[0016]
【００１７】[0017]
【００１８】本発明の請求項２記載の発明は、本体に、
少なくとも一端を突出するように端子を設ける第１工程
と、前記端子の一端の先端部に、導電部材の先端部に有
した接続部を電気的接続する第２工程と、前記端子の一
端を突出させる前記本体の一側面の外周に少なくともケ
ースを配置する第３工程とを備え、第３工程前に、前記
導電部材の先端部に有した接続部と、前記端子の一端の
先端部との接続部分は、溶融接合して接続した溶融接合
部とし、前記導電部材の先端部に有した接続部と、前記
端子の一端の先端部とを互いに溶融して一体化するとと
もに、前記端子の一端の先端部の形状を球形状にする工
程を有した製造方法である。According to a second aspect of the present invention, the main body includes:
A first step of providing a terminal so as to project at least one end; a second step of electrically connecting a connection portion provided at a tip of a conductive member to a tip of the one end of the terminal; and projecting one end of the terminal. A third step of arranging at least a case on the outer periphery of one side surface of the main body to be connected. Before the third step, a connection between a connection portion provided at a distal end of the conductive member and a distal end of one end of the terminal is provided. The portion is a fusion-bonded portion that is fusion-bonded and connected, and the connection portion provided at the distal end of the conductive member and the distal end of one end of the terminal are fused and integrated with each other, and the one end of the terminal is This is a manufacturing method including a step of making the shape of the tip portion spherical.
【００１９】上記構成により、請求項１記載の発明の効
果を有するトランスを製造することができる。With the above configuration, a transformer having the effects of the first aspect of the present invention can be manufactured.
【００２０】[0020]
【００２１】[0021]
【００２２】本発明の請求項３記載の発明は、請求項２
記載の発明において、第２工程を、端子の一端の先端部
に、導電部材の先端部に有した接続部をアーク溶接して
電気的接続する工程とし、第３工程前に、端子の一端の
先端部の形状をアーク溶接により球形状にする工程を有
した製造方法である。The third aspect of the present invention is the second aspect of the present invention.
In the invention described in the above, the second step is a step of electrically connecting a connection portion provided at the tip of the conductive member to the tip of one end of the terminal by arc welding, and before the third step, the one end of the terminal is formed. This is a manufacturing method including a step of changing the shape of the tip portion into a spherical shape by arc welding.
【００２３】上記構成により、請求項２記載の発明の効
果を有するトランスを製造することができる。With the above structure, a transformer having the effect of the invention described in claim 2 can be manufactured.
【００２４】以下、本発明の実施の形態について、図面
を参照しながら説明する。Hereinafter, embodiments of the present invention will be described with reference to the drawings.
【００２５】図１は本発明の実施の形態におけるトラン
スの断面図、図２は同トランスの端子の一端の先端の拡
大図、図３は同トランスの導電部材と端子との接続状態
を示す拡大断面図、図４は同トランスの製造工程におけ
る端子の一端の接続状態を示す斜視図、図５は接続工程
における印加電圧と時間との状態を示した電圧−時間
図、図６はモールド外装部を有したトランスの断面図、
図７は同トランスの製造工程における端子の一端の他の
接続工程図である。FIG. 1 is a sectional view of belt run <br/> scan put to the embodiment of the present invention, FIG. 2 is an enlarged view of the tip of one end of the transformer terminals, FIG. 3 and the conductive member of the transformer FIG. 4 is an enlarged cross-sectional view showing a connection state with the terminal, FIG. 4 is a perspective view showing a connection state of one end of the terminal in a process of manufacturing the transformer, and FIG. 5 is a voltage-time diagram showing a state of applied voltage and time in the connection step. FIG. 6 is a cross-sectional view of a transformer having a mold exterior part,
FIG. 7 is another connection process diagram of one end of the terminal in the manufacturing process of the transformer.
【００２６】図１〜図４において、本発明の形態におけ
るトランスは、貫通孔を有した、本体のボビン２１と、
このボビン２１の貫通孔に挿入した閉磁路状のコア２９
と、ボビン２１に植設するとともに、少なくとも一端を
ボビン２１から突出させ、他端を下方に突出させた端子
２６と、ボビン２１の外周に巻装するとともに、端子２
６の一端の引き回し端子部２８に電気的接続をする接続
部３０を先端部に有した導電部材である巻線２５と、こ
の端子２６の一端を突出させるボビン２１の一側面３１
の外周を被覆するとともに、上面３２および下面３３の
外周を被覆する絶縁ケース２２と、下面３３を除いた絶
縁ケース２２上に被せたシールドケース２３とを備えて
いる。Referring to FIGS. 1 to 4, the embodiment of the present invention will be described.
Belt lance had a through-hole, the bobbin 21 of the main body,
A closed magnetic path-shaped core 29 inserted into the through hole of the bobbin 21
And a terminal 26 having at least one end protruding from the bobbin 21 and the other end protruding downward while being planted on the bobbin 21, and being wound around the outer periphery of the bobbin 21.
6, a winding 25 which is a conductive member having a connecting portion 30 at the distal end for electrically connecting to a routing terminal portion 28 at one end, and one side surface 31 of a bobbin 21 from which one end of the terminal 26 projects.
And an insulating case 22 that covers the outer periphery of the upper surface 32 and the lower surface 33, and a shield case 23 that covers the insulating case 22 excluding the lower surface 33.
【００２７】また、巻線２５の先端部に有した接続部３
０と、端子２６の一端の先端部の引き回し端子部２８と
を接続するとともに、端子２６の一端の先端部の引き回
し端子部２８の形状を球形状にしている。The connecting portion 3 provided at the tip of the winding 25
0 and the leading terminal 28 at one end of the terminal 26 are connected, and the leading terminal 28 at the one end of the terminal 26 has a spherical shape.
【００２８】さらに、巻線２５の先端部に有した接続部
３０と、端子２６の一端の先端部の引き回し端子部２８
との接続部分は、溶融接合して接続した溶融接合部とし
た構成である。Further, a connecting portion 30 provided at the distal end of the winding 25 and a routing terminal portion 28 at one end of the terminal 26 are provided.
Is a fusion-bonded portion that is connected by fusion-bonding.
【００２９】また、本発明の実施の形態におけるトラン
スの製造方法は、本体であるボビン２１に、少なくとも
一端を突出するように端子２６を設ける第１工程と、ボ
ビン２１の外周に導電部材である巻線２５を巻装する第
２工程と、この端子２６の一端の先端部の引き回し端子
部２８に、導電部材である巻線２５の先端部に有した接
続部３０をアーク溶接して電気的接続する第３工程と、
端子２６の一端の先端部の引き回し端子部２８の形状を
アーク溶接により球形状にする第４工程と、端子２６の
一端を突出させるボビン２１の一側面３１、上面３２、
下面３３の外周に絶縁ケース２２を配置する第５工程と
を有している。[0029] In the method of manufacturing belt run <br/> scan put to the embodiment of the present invention, the bobbin 21 is body, a first step of providing a terminal 26 so as to project at least one end, bobbin A second step of winding a winding 25, which is a conductive member, around the outer periphery of the connecting member 21; and a connecting portion provided at the leading end of the winding 25, which is a conductive member, at a leading terminal 28 at one end of the terminal 26. A third step of electrically connecting 30 by arc welding;
A fourth step of making the shape of the routing terminal portion 28 at the end of one end of the terminal 26 into a spherical shape by arc welding, one side surface 31 and an upper surface 32 of the bobbin 21 from which one end of the terminal 26 protrudes;
A fifth step of arranging the insulating case 22 on the outer periphery of the lower surface 33.
【００３０】また、このとき、ボビン２１は、フープ材
３４の連鎖状の端子２６に、インサート成型しており、
連続的に、このフープ材３４に、第１工程以降が施され
る。At this time, the bobbin 21 is insert-molded into the chain-like terminal 26 of the hoop material 34,
Continuously, the hoop material 34 is subjected to the first and subsequent steps.
【００３１】さらに、アーク溶接の際は、端子２６の一
端の先端部の引き回し端子部２８に、トーチ電極３５を
近づけ、アーク熱により、溶融接合している。Further, at the time of arc welding, the torch electrode 35 is brought close to the leading terminal portion 28 at one end of the terminal 26, and is fused and joined by arc heat.
【００３２】この際、ボビン２１から突出した端子２６
の一端の先端部の引き回し端子部２８には、巻線２５ボ
ビン２１側から絡げて絡げ部３６を形成するとともに、
絡げた巻線２５の先端と端子２６の一端の先端との間
に、巻線を絡げていない非絡げ部３７を形成して、この
非絡げ部３７から端子２６の一端をアーク熱により溶融
して、直径が絡げ部３６の長さになるように端子２６の
一端の先端部の引き回し端子部２８の形状を球形状にし
ている。At this time, the terminal 26 projecting from the bobbin 21
A winding portion 36 is formed on the leading terminal portion 28 at the end of one end by winding the winding terminal 25 from the bobbin 21 side.
A non-entangled portion 37 not entangled with the winding is formed between the end of the entangled winding 25 and the end of one end of the terminal 26, and one end of the terminal 26 is arc-heated from this non-entangled portion 37. The shape of the routing terminal portion 28 at one end of the terminal 26 is spherical so that the diameter becomes the length of the binding portion 36.
【００３３】また、アーク熱による溶融接合の条件は、
図５に示すように、最初に、ｔ1時間、印加電圧を急峻
に上げ、その後、ｔ2時間、一定電圧のＥを保ち、そし
て、ｔ3時間をかけて、印加電圧を下げるようにしてい
る。The conditions for the fusion bonding by arc heat are as follows:
As shown in FIG. 5, first, the applied voltage is sharply increased for the time t 1 , then, the constant voltage E is maintained for the time t 2 , and the applied voltage is decreased for the time t 3. I have.
【００３４】上記構成のトランスおよびその製造方法に
ついて、以下その特性を説明する。[0034] The transformer and its manufacturing method of the above-described configuration, will be described the characteristics.
【００３５】導電部材である巻線２５の先端部に有した
接続部３０と、端子２６の一端とを接続するとともに、
端子２６の一端の先端部の引き回し端子部２８の形状を
球形状にしているので、端子２６の一端の長さが長くな
ることがなく、絶縁ケース２２やシールドケース２３の
内壁にはほとんど接触せず、端子２６の一端に応力が生
じることを抑制でき、端子２６と導電部材の巻線２５と
の非接続や、端子２６の曲がりによる導電部材の巻線２
５の切断が生じることがなく、電気的特性の劣化を防止
できる。さらに、端子２６の一端の先端部の引き回し端
子部２８は球形状なので、絶縁ケース２２やシールドケ
ース２３を突き破って短絡が発生したり、電圧分布の集
中による耐電圧特性の劣化が発生したりすることも防止
できる。The connecting portion 30 provided at the tip of the winding 25, which is a conductive member, is connected to one end of the terminal 26.
Since the leading terminal portion 28 at the one end of the terminal 26 has a spherical shape, the length of one end of the terminal 26 does not increase, and almost no contact is made with the inner wall of the insulating case 22 or the shield case 23. Therefore, it is possible to suppress the occurrence of stress at one end of the terminal 26, to disconnect the terminal 26 from the winding 25 of the conductive member, and to prevent the winding 2 of the conductive member 2 from being bent by the terminal 26.
5 does not occur, and deterioration of the electrical characteristics can be prevented. Furthermore, since the leading terminal portion 28 at the one end of the terminal 26 is spherical, the short circuit occurs by breaking through the insulating case 22 and the shield case 23, and the withstand voltage characteristic is deteriorated due to concentration of the voltage distribution. Can also be prevented.
【００３６】また、導電部材の巻線２５の先端部に有し
た接続部３０と、端子２６の一端の先端部の引き回し端
子部２８とを接続しているので、端子２６の一端におけ
るボビン２１からの突出部全体を引き回し端子部２８と
でき、ボビン２１からの端子２６の突出部が球形状とな
り、ボビン２１の側面３１から端子２６の一端の先端ま
での距離を短くでき、ボビン２１の外周に被覆する絶縁
ケース２２やシールドケース２３の幅を小さくして小型
化を図ることができる。Further, since the connecting portion 30 provided at the end of the winding 25 of the conductive member is connected to the routing terminal 28 at the end of one end of the terminal 26, the bobbin 21 at one end of the terminal 26 is connected. The projecting portion of the terminal 26 from the bobbin 21 has a spherical shape, and the distance from the side surface 31 of the bobbin 21 to the tip of one end of the terminal 26 can be shortened. The width of the insulating case 22 and the shield case 23 to be covered can be reduced to reduce the size.
【００３７】さらに、導電部材の巻線２５の先端部に有
した接続部３０と、端子２６の一端の先端部の引き回し
端子部２８との接続部分は、溶融接合して接続した溶融
接合部としているので、導電部材の巻線２５と端子２６
の一端とは、巻線２５の接続部３０と、端子２６の一端
の先端部の引き回し端子部２８とが互いに溶融されて、
一体のものとなり、その接続が非常に強固になるととも
に、半田接続のような半田のはがれ等による電気的特性
の劣化がないものである。Further, a connecting portion between the connecting portion 30 provided at the end of the winding 25 of the conductive member and the leading terminal portion 28 at the end of one end of the terminal 26 is formed as a melt-joined portion which is melt-joined and connected. The winding 25 of the conductive member and the terminal 26
The connection part 30 of the winding 25 and the leading terminal part 28 at the tip of one end of the terminal 26 are fused with each other,
It becomes an integral part, and its connection becomes very strong, and there is no deterioration in electrical characteristics due to solder peeling such as solder connection.
【００３８】その上、上記製造方法により、このような
特性を有したトランスを製造することができる。In addition, a transformer having such characteristics can be manufactured by the above manufacturing method.
【００３９】このように本発明の実施の形態によれば、
端子２６と導電部材の巻線２５との非接続や、端子２６
の曲がりによる導電部材の巻線２５の切断が生じること
がなく、電気的特性の劣化を防止するとともに、絶縁ケ
ース２２やシールドケース２３を突き破って短絡が発生
したり、電圧分布の集中による耐電圧特性の劣化が発生
したりすることも防止できる。As described above, according to the embodiment of the present invention,
If the terminal 26 is not connected to the winding 25 of the conductive member,
The winding 25 of the conductive member is not cut due to the bending of the conductive member, thereby preventing the deterioration of the electric characteristics, breaking the insulating case 22 and the shield case 23 to cause a short circuit, and withstanding voltage due to concentration of the voltage distribution. It is also possible to prevent the characteristics from deteriorating.
【００４０】また、ボビン２１の側面３１から端子２６
の一端の先端までの距離を短くでき、ボビン２１の外周
に被覆する絶縁ケース２２やシールドケース２３の幅を
小さくして小型化を図れるとともに、巻線２５と端子２
６の一端とは、巻線２５の接続部３０と、端子２６の一
端の先端部の引き回し端子部２８とが互いに溶融され
て、一体のものとなり、その接続を非常に強固にするこ
ともできるものである。Further, the terminal 26 extends from the side 31 of the bobbin 21.
Of the one end of the bobbin 21, the width of the insulating case 22 and the shield case 23 covering the outer periphery of the bobbin 21 can be reduced, and the size can be reduced.
The one end of 6 is such that the connection portion 30 of the winding 25 and the routing terminal portion 28 at the end of one end of the terminal 26 are fused to each other to be integrated, and the connection can be made very strong. Things.
【００４１】そして、上記特性を有したトランスを製造
することもできる。Then, a transformer having the above characteristics can be manufactured.
【００４２】なお、本発明の実施の形態におけるトラン
スでは、絶縁ケース２２を用いたが、絶縁ケース２２に
替えて、図６に示すように、端子２６の一端を突出させ
るボビン２１の下面側の外周を少なくとも被覆する、モ
ールド用の充填剤を充填して形成したモールド外装部を
設けてもよい。[0042] Incidentally, Trang in the embodiment of the present invention
6, the insulating case 22 was used. Instead of the insulating case 22, as shown in FIG. 6, a molding filler that covers at least the lower surface side outer periphery of the bobbin 21 that protrudes one end of the terminal 26 is used. A mold exterior part formed by filling may be provided.
【００４３】さらに、導電部材の巻線２５の接続部３０
と端子２６の一端の先端部の引き回し端子部２８との接
続箇所が、実装時において、プリント配線４０を印刷し
たプリント基板３９面側にある場合も、同様の効果を生
じる。Further, the connecting portion 30 of the winding 25 of the conductive member
The same effect can be obtained when the connection between the terminal and the leading terminal 28 at one end of the terminal 26 is on the printed circuit board 39 surface on which the printed wiring 40 is printed during mounting.
【００４４】この場合の製造方法においては、図７に示
すように、端子２６の一端の先端をボビン２１の下面側
から突出させて、接続をする。In the manufacturing method in this case, as shown in FIG. 7, connection is made by protruding the end of one end of the terminal 26 from the lower surface of the bobbin 21.
【００４５】また、その製造方法では、端子２６の一端
を突出させるボビン２１の一側面３１の外周に少なくと
も絶縁ケース２２を配置する工程に替えて、端子２６の
一端を突出させるボビン２１の一側面３１の外周を少な
くとも被覆する、モールド用の充填剤を充填して形成し
たモールド外装部を形成する工程としてもよい。In the manufacturing method, one side of the bobbin 21 from which one end of the terminal 26 protrudes is replaced with a step of disposing at least the insulating case 22 on the outer periphery of the side 31 of the bobbin 21 from which one end of the terminal 26 protrudes. A step of forming a mold exterior part formed by filling a mold filler, which covers at least the outer periphery of the mold 31, may be performed.
【００４６】[0046]
【発明の効果】以上のように本発明によれば、導電部材
の先端部に有した接続部と、端子の一端の先端部との接
続部分は、溶融接合して接続した溶融接合部であって、
導電部材の先端部に有した接続部と、端子の一端の先端
部とを互いに溶融して一体化するとともに、端子の一端
の先端部の形状を球形状にしているので、端子の一端の
長さが長くなることがなく、ケースの内壁にはほとんど
接触せず、端子の一端に応力が生じることを抑制でき、
端子と導電部材との非接続や、端子の曲がりによる導電
部材の切断が生じることがなく、電気的特性の劣化を防
止し、また、端子の一端の先端部は球形状なので、ケー
スを突き破って短絡が発生したり、電圧分布の集中によ
る耐電圧特性の劣化が発生したりすることも防止したト
ランスを提供することができる。According to the present invention as described above, according to the present invention, contact of the connecting portion having a distal end portion of the conductive member, and one end of the tip portion of the terminal
The continuation part is a fusion bonding part connected by fusion bonding ,
The connection part at the tip of the conductive member and the tip of one end of the terminal
And the parts are fused together, and the shape of the tip of one end of the terminal is spherical, so the length of one end of the terminal does not increase and almost no contact with the inner wall of the case , Can suppress the occurrence of stress at one end of the terminal,
There is no disconnection between the terminal and the conductive member, and no breakage of the conductive member due to the bending of the terminal, preventing deterioration of the electrical characteristics.In addition, since the tip of one end of the terminal is spherical, it breaks through the case. It is also possible to prevent the occurrence of short circuits and deterioration of withstand voltage characteristics due to concentration of voltage distribution .
Lance can be provided.
【００４７】さらに、本発明の製造方法によれば、端子
の一端の先端部の形状を球形状にする工程を有している
ので、上記の効果を有したトランスの製造方法を提供す
ることもできる。Further, according to the manufacturing method of the present invention, since the step of making the tip of one end of the terminal be spherical is provided, it is also possible to provide a method of manufacturing a transformer having the above effects. it can.
【図１】本発明の実施の形態におけるトランスの断面図Sectional view of the belt lance put to an embodiment of the present invention; FIG
【図２】同トランスの端子の一端の先端の拡大正面図FIG. 2 is an enlarged front view of one end of a terminal of the transformer.
【図３】同トランスの製造工程における端子の一端の部
の拡大断面図FIG. 3 is an enlarged cross-sectional view of one end of a terminal in a process of manufacturing the transformer.
【図４】同トランスの導電部材と端子との接続状態を示
す斜視図FIG. 4 is a perspective view showing a connection state between conductive members and terminals of the transformer.
【図５】接続工程における印加電圧と時間との状態を示
した電圧−時間を示す図FIG. 5 is a diagram showing voltage-time showing a state of applied voltage and time in a connection step.
【図６】モールド外装部を用いたトランスの断面図FIG. 6 is a cross-sectional view of a transformer using a mold exterior part.
【図７】同トランスの製造工程における端子の一端の他
の接続工程を示す斜視図FIG. 7 is a perspective view showing another connecting step of one end of the terminal in the manufacturing process of the transformer.
【図８】従来のトランスの断面図FIG. 8 is a sectional view of a conventional transformer.
【図９】同トランスの端子の一端の拡大断面図FIG. 9 is an enlarged cross-sectional view of one end of a terminal of the transformer.
【図１０】同トランスの導電部材と端子との接続状態を
示す拡大断面図FIG. 10 is an enlarged sectional view showing a connection state between a conductive member and a terminal of the transformer.
２１ ボビン ２２ 絶縁ケース ２３ シールドケース ２５ 巻線 ２６ 端子 ２８ 引き回し端子部 ２９ コア ３０ 接続部 ３１ 側面 ３２ 上面 ３３ 下面 DESCRIPTION OF SYMBOLS 21 Bobbin 22 Insulating case 23 Shield case 25 Winding 26 Terminal 28 Routing terminal part 29 Core 30 Connection part 31 Side surface 32 Upper surface 33 Lower surface
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭58−176914（ＪＰ，Ａ) 特開 平５−54948（ＪＰ，Ａ) 特開 平５−267088（ＪＰ，Ａ) 実開 昭64−11021（ＪＰ，Ｕ) 実開 平５−55520（ＪＰ，Ｕ) 実開 平２−62708（ＪＰ，Ｕ) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-58-176914 (JP, A) JP-A-5-54948 (JP, A) JP-A-5-267088 (JP, A) 11021 (JP, U) Japanese Utility Model Hei 5-55520 (JP, U) Japanese Utility Model Utility Model 2-62708 (JP, U)
Claims (3)
少なくとも一端を前記本体から突出させた端子と、前記
端子の一端に電気的接続をする接続部を先端部に有した
導電部材と、前記端子の一端を突出させる前記本体の一
側面の外周を少なくとも被覆するケースとを備え、前記
導電部材の先端部に有した接続部と、前記端子の一端の
先端部との接続部分は、溶融接合して接続した溶融接合
部であって、前記導電部材の先端部に有した接続部と、
前記端子の一端の先端部とを互いに溶融して一体化する
とともに、前記端子の一端の先端部の形状を球形状にし
たトランス。1. A main body, and implanted in the main body,
A terminal having at least one end protruding from the main body, a conductive member having a connection portion for electrically connecting to one end of the terminal at a distal end, and an outer periphery of one side surface of the main body protruding one end of the terminal. A case to cover, a connection portion provided at a tip portion of the conductive member, and a connection portion between the tip portion at one end of the terminal is a fusion bonding portion connected by fusion bonding, and A connection portion at the tip,
A transformer wherein the tip of one end of the terminal is melted and integrated with each other, and the tip of one end of the terminal is spherical.
に端子を設ける第１工程と、前記端子の一端の先端部
に、導電部材の先端部に有した接続部を電気的接続する
第２工程と、前記端子の一端を突出させる前記本体の一
側面の外周に少なくともケースを配置する第３工程とを
備え、第３工程前に、前記導電部材の先端部に有した接
続部と、前記端子の一端の先端部との接続部分は、溶融
接合して接続した溶融接合部とし、前記導電部材の先端
部に有した接続部と、前記端子の一端の先端部とを互い
に溶融して一体化するとともに、前記端子の一端の先端
部の形状を球形状にする工程を有したトランスの製造方
法。 2. A body having at least one end protruding therefrom.
A first step of providing a terminal on the terminal, and a tip of one end of the terminal
To electrically connect the connecting portion provided at the tip of the conductive member
A second step, wherein one end of the main body is made to protrude one end of the terminal.
A third step of arranging at least the case on the outer periphery of the side surface.
Before the third step, the contact member provided at the tip of the conductive member is provided.
The connection between the connection part and the end of one end of the terminal is melted.
The end of the conductive member is formed as a fused joint that is joined and connected.
The connecting part of the terminal and the tip of one end of the terminal are connected to each other.
At the end of one end of the terminal
Of manufacturing a transformer having a step of making the shape of a part spherical
Law.
電部材の先端部に有した接続部をアーク溶接して電気的
接続する工程とし、第３工程前に、端子の一端の先端部
の形状をアーク溶接により球形状にする工程を有した請
求項２記載のトランスの製造方法。3. The method according to claim 1, wherein the second step is conducted to a tip of one end of the terminal.
Arc welding of the connection part at the tip of the electrical member
The connecting step, and before the third step, the tip of one end of the terminal
A contract with a process to make the shape of the
The method for producing a transformer according to claim 2 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17470096A JP3309049B2 (en) | 1996-07-04 | 1996-07-04 | Transformer and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17470096A JP3309049B2 (en) | 1996-07-04 | 1996-07-04 | Transformer and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1022152A JPH1022152A (en) | 1998-01-23 |
| JP3309049B2 true JP3309049B2 (en) | 2002-07-29 |
Family
ID=15983146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17470096A Expired - Fee Related JP3309049B2 (en) | 1996-07-04 | 1996-07-04 | Transformer and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3309049B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2001276691A1 (en) | 2000-08-03 | 2002-02-18 | Matsushita Electric Industrial Co., Ltd. | Brushless motor and method of manufacturing the brushless motor |
| JP3578703B2 (en) * | 2000-08-03 | 2004-10-20 | 松下電器産業株式会社 | Brushless motor and method of manufacturing the same |
| JP2006156917A (en) * | 2003-12-24 | 2006-06-15 | Denso Corp | Ignition coil and joining method for its secondary coil assembly |
| JP6547637B2 (en) * | 2016-01-15 | 2019-07-24 | Tdk株式会社 | Coil device for electronic pen |
-
1996
- 1996-07-04 JP JP17470096A patent/JP3309049B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1022152A (en) | 1998-01-23 |
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