JPH08148340A - Linearity coil - Google Patents
Linearity coilInfo
- Publication number
- JPH08148340A JPH08148340A JP28674394A JP28674394A JPH08148340A JP H08148340 A JPH08148340 A JP H08148340A JP 28674394 A JP28674394 A JP 28674394A JP 28674394 A JP28674394 A JP 28674394A JP H08148340 A JPH08148340 A JP H08148340A
- Authority
- JP
- Japan
- Prior art keywords
- core
- winding
- magnetic
- windings
- flange
- 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.)
- Withdrawn
Links
Landscapes
- Details Of Television Scanning (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、テレビジョン受像機、
ディスプレイ等ブラウン管を用いた画像装置に用いられ
るリニアリティコイルに関する。BACKGROUND OF THE INVENTION The present invention relates to a television receiver,
The present invention relates to a linearity coil used in an image device using a cathode ray tube such as a display.
【０００２】[0002]
【従来の技術】図３に示すように、巻芯の両端部に鍔を
有する２個の磁性コアａ1 、ａ2 にそれぞれ巻線ｂ1 ，
ｂ2 を巻装し、該磁性コアａ1 ，ａ2 の間に磁石ｃを固
着し、巻線ｂ1 、ｂ2 の巻回方向を同じにすると、巻線
ｂ1 の巻き始めを磁性コアａ2の鍔に固着したリード端
子ｄ1 に絡げて半田付けをし、巻線ｂ1 の巻き終りを巻
線ｂ2 の巻き終りに半田付けｅにより接続し、巻線ｂ2
の巻き始めをリード端子ｄ2 に絡げて半田付けして成る
リニアリティコイルが知られている。2. Description of the Related Art As shown in FIG. 3, two magnetic cores a 1 and a 2 having flanges at both ends of a winding core are provided with windings b 1 and
When b 2 is wound and the magnet c is fixed between the magnetic cores a 1 and a 2 and the winding directions of the windings b 1 and b 2 are the same, the winding start of the winding b 1 is the magnetic core. The lead terminal d 1 fixed to the collar of a 2 is entangled and soldered, and the end of winding b 1 is connected to the end of winding b 2 by soldering e, and winding b 2
There is known a linearity coil formed by entwining the winding start of the wire with the lead terminal d 2 and soldering.
【０００３】このリニアリティコイルは、このような構
成により、巻線ｂ1 、ｂ2 に一定方向の電流を流したと
き、それぞれの巻線ｂ1 ，ｂ2 によって生ずる磁束が一
方の磁性コアａ1 については、磁石ｃによる磁束に加算
され、他方の磁性コアａ2 については、磁石ｃによる磁
束に減算され、逆方向の電流を流したとき、その逆にな
って、電流に対するインダクタンス特性は、図４に示す
ように、インダクタンス軸に対して対称な特性になる。
このような特性を有するリニアリティコイルは、上述の
ようにブラウン管を用いた画像装置においてしばしば用
いられる。[0003] The linearity coil, such a configuration, upon applying a constant direction of current to the winding b 1, b 2, each winding b 1, the magnetic flux produced by b 2 is one of the magnetic core a 1 Is added to the magnetic flux of the magnet c, and the other magnetic core a 2 is subtracted from the magnetic flux of the magnet c. When a current flows in the opposite direction, the reverse occurs, and the inductance characteristic with respect to the current is As shown in FIG. 4, the characteristics are symmetrical with respect to the inductance axis.
The linearity coil having such characteristics is often used in the image device using the cathode ray tube as described above.
【０００４】[0004]
【発明が解決しようとする課題】上述のリニアリティコ
イルの構成によれば、巻線ｂ1 ，ｂ2 を巻装した２つの
磁性コアａ1 ，ａ2 を用いるため、形状が大きくなると
共に部品点数及び組み立て工数が多くなり、又、２つの
巻線を半田付けにより接続するので、作業性及び信頼性
が低い等の不具合があった。According to the above-described linearity coil structure, since the two magnetic cores a 1 and a 2 around which the windings b 1 and b 2 are wound are used, the shape is increased and the number of parts is increased. In addition, the number of assembling steps increases, and since the two windings are connected by soldering, there are problems such as low workability and reliability.
【０００５】本発明は、従来のリニアリティコイルのこ
のような不具合を解消することをその目的とするもので
ある。The object of the present invention is to eliminate such a problem of the conventional linearity coil.
【０００６】[0006]
【課題を解決するための手段】本発明は、上記の目的を
達成するために、巻芯の両端部および中間部に鍔を有す
る磁性コアと、その一端部の鍔に固着した磁石と、該磁
性コアの一端部の鍔及び中間部の鍔間の第１の巻芯部と
他端部の鍔及び中間部の鍔間の第２の巻芯部にそれぞれ
互いに逆方向の磁束を発生するように連続して巻回され
た一対の巻線とから成ることを特徴とする。巻線の端末
は、磁性コアの鍔に設けたリード端子に接続するのが好
ましい。In order to achieve the above object, the present invention provides a magnetic core having flanges at both ends and an intermediate portion of a winding core, a magnet fixed to the flange at one end thereof, and Magnetic fluxes in mutually opposite directions are generated in the first winding core portion between the collar at one end and the collar at the middle portion of the magnetic core and the second winding core portion between the collar at the other end and the collar at the middle portion. And a pair of windings that are continuously wound. The ends of the windings are preferably connected to lead terminals provided on the collar of the magnetic core.
【０００７】[0007]
【作用】上述の構成によれば、磁性コアは巻芯の両端部
および中間部に鍔を有するものであるので、両端部に鍔
を有する磁性コアを２個用いる場合より鍔が少なくな
り、小型になる。一端部の鍔と中間部の鍔間にある第１
の巻芯部並びに他端部の鍔と中間部の鍔間にある第２の
巻芯部に連続して巻線され、２個の巻線を相互に半田付
けにより接続する必要がない。この半田付けによる接続
部がないことによって信頼性が向上する。又、磁石と磁
性コアとの接着作業が少なくなる。According to the above construction, since the magnetic core has the flanges at both ends and the middle part of the winding core, the flange becomes smaller than the case where two magnetic cores having the flanges at both ends are used, and the size is small. become. First between the collar at one end and the collar at the middle
The winding core portion and the second winding core portion between the collar at the other end and the collar at the intermediate portion are continuously wound, and it is not necessary to connect the two windings to each other by soldering. The reliability is improved by the absence of the connection portion by this soldering. Further, the work of bonding the magnet and the magnetic core is reduced.
【０００８】[0008]
【実施例】以下、本発明の実施例を図面を参照して説明
する。図１は本発明の一実施例を示す。同図において、
１は両端部及び中間部にそれぞれ鍔２1 、２2 、２3 が
形成され、該鍔２1 と２3 の間に第１の巻芯部３1 が、
鍔２2 と２3 の間に第２の巻芯部３2 が形成された例え
ばフェライトから成る磁性コアで、鍔２2 の外側面に一
対のリード端子４1 、４2 の一端が埋設されている。５
は磁性コア１の鍔２1 の外側面に固着された磁石であ
り、その極性は、接触面がＮ極になっている。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an embodiment of the present invention. In the figure,
1 has collars 2 1 , 2 2 and 2 3 formed at both ends and an intermediate portion, respectively, and a first winding core portion 3 1 is provided between the collars 2 1 and 2 3 .
A magnetic core made of, for example, ferrite in which a second winding core 3 2 is formed between the collars 2 2 and 2 3 , and one end of a pair of lead terminals 4 1 and 4 2 is embedded in the outer surface of the collar 2 2. ing. 5
Is a magnet fixed to the outer surface of the flange 2 1 of the magnetic core 1, the polarity, the contact surface is in N-pole.
【０００９】磁性コア１には、第１の巻芯部３1 に図の
上端から、上方から見て右巻きに導線を巻回して巻線６
1 を巻装し、次いで、導線を切断しないでそのまま第２
の巻芯部３2 に上端から左巻きに巻回して巻線６2 を巻
装し、巻線６1 および６2 の各端末７1 、７2 をリード
端子４1 、４2 に絡げて半田付けする。In the magnetic core 1, a winding wire 6 is formed by winding a conducting wire around the first winding core 3 1 from the upper end in the figure to the right as viewed from above.
Winding 1 and then 2nd without cutting the conductor
The winding wire 6 2 is wound around the winding core portion 3 2 from the upper end to the left, and the terminals 7 1 and 7 2 of the winding wires 6 1 and 6 2 are wound around the lead terminals 4 1 and 4 2. Solder.
【００１０】上述の構成において、リード端子４1 から
例えば（−）電流を流すと、磁性コア１の第１の巻芯部
３1 には磁石５の磁束に加算する方向に磁束が発生し、
第２の巻芯部３2 には磁石５の磁束に減算する方向に磁
束が発生する。リード端子４2 から（＋）電流を流す
と、、巻芯部３1 には磁石５の磁束に減算する方向に磁
束が発生し、巻芯部３2 には磁石５の磁束に加算する方
向に磁束が発生する。したがって、第１の巻芯部３1 に
巻装された巻線６1 による電流対インダクタンス特性
は、図２（Ａ）に示すようになるのに対して、第２の巻
芯部３2 に巻装された巻線６2 による電流対インダクタ
ンス特性は、図２（Ｂ）に示すようになるので、全体の
リニアリティコイルの電流対インダクタンス特性は、前
記図４に示すように求める特性になる。In the above structure, when, for example, a (-) current is flown from the lead terminal 4 1 , a magnetic flux is generated in the first winding core 3 1 of the magnetic core 1 in a direction to be added to the magnetic flux of the magnet 5,
A magnetic flux is generated in the second winding core 3 2 in a direction to be subtracted from the magnetic flux of the magnet 5. Magnetic flux is generated in a direction to subtract the flux of the magnet 5 in the ,, core portion 3 1 and the flow from the lead terminals 4 2 (+) current direction in the core portion 3 2 which adds to the magnetic flux of the magnet 5 Magnetic flux is generated in. Therefore, current-inductance characteristic by winding 6 1 wound around the first core portion 3 1, whereas as shown in FIG. 2 (A), the second winding core portion 3 2 Since the current-to-inductance characteristic of the wound winding 6 2 is as shown in FIG. 2B, the current-to-inductance characteristic of the entire linearity coil is the characteristic to be obtained as shown in FIG.
【００１１】以上の実施例では、巻線６1 と６2 は、巻
数が同じであるので、図４に示すように特性はインダク
タンス軸に対して対称になっているが、巻数のどちらか
一方が他方よりも少なくすれば非対称な特性となる。In the above embodiment, since the windings 6 1 and 6 2 have the same number of turns, the characteristic is symmetrical with respect to the inductance axis as shown in FIG. If is smaller than the other, the characteristic becomes asymmetric.
【００１２】前記リニアリティコイルは、図示しない
が、ディップにより合成樹脂の外被体を設けてもよく、
あるいは、ケースに挿入し、樹脂で封じてもよい。Although not shown, the linearity coil may be provided with a synthetic resin jacket by dipping,
Alternatively, it may be inserted into the case and sealed with resin.
【００１３】[0013]
【発明の効果】本発明は、上述の構成を有するから、磁
性コアが上記従来のものより小型になり、又、組み立て
及び巻線の作業性が向上してコストが低下するとともに
信頼性が向上するという効果を有する。Since the present invention has the above-mentioned structure, the magnetic core becomes smaller than the conventional one, and the workability of assembling and winding is improved to reduce the cost and the reliability is improved. Has the effect of
【図１】 本発明の一実施例の正面図。FIG. 1 is a front view of an embodiment of the present invention.
【図２】 （Ａ）及び（Ｂ）は本発明の作用説明図。2A and 2B are explanatory views of the operation of the present invention.
【図３】 従来のリニアリティコイルの正面図。FIG. 3 is a front view of a conventional linearity coil.
【図４】 その電流対インダクタンス特性図。FIG. 4 is a current vs. inductance characteristic diagram thereof.
１ 磁性コア ２1 、２2 、２3
鍔 ３1 、３2 巻芯部
５ 磁石 ６1 、６2 巻線1 Magnetic core 2 1 , 2 2 , 2 3
Tsuba 3 1 , 3 2 winding core
5 magnets 6 1 , 6 2 windings
Claims (2)
磁性コアと、その一端部の鍔に固着した磁石と、該磁性
コアの一端部の鍔及び中間部の鍔間の第１の巻芯部と他
端部の鍔及び中間部の鍔間の第２の巻芯部にそれぞれ互
いに逆方向の磁束を発生するように連続して巻回された
一対の巻線とから成るリニアリティコイル。1. A magnetic core having flanges at both ends and an intermediate portion of a winding core, a magnet fixed to the flange at one end of the winding core, and a first core between the flange at the one end and an intermediate flange of the magnetic core. A linearity coil including a winding core and a pair of windings continuously wound so as to generate magnetic fluxes in mutually opposite directions on a second winding core between the flange at the other end and the flange at the middle. .
該リード端子に前記巻線の端末を接続して成る請求項１
記載のリニアリティコイル。2. A lead terminal is provided on the collar of the magnetic core,
The terminal of the winding is connected to the lead terminal.
The described linearity coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28674394A JPH08148340A (en) | 1994-11-21 | 1994-11-21 | Linearity coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28674394A JPH08148340A (en) | 1994-11-21 | 1994-11-21 | Linearity coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08148340A true JPH08148340A (en) | 1996-06-07 |
Family
ID=17708461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28674394A Withdrawn JPH08148340A (en) | 1994-11-21 | 1994-11-21 | Linearity coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08148340A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007036159A (en) * | 2005-07-29 | 2007-02-08 | Tdk Corp | Inductance element and signal transmitting circuit |
-
1994
- 1994-11-21 JP JP28674394A patent/JPH08148340A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007036159A (en) * | 2005-07-29 | 2007-02-08 | Tdk Corp | Inductance element and signal transmitting circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20020205 |