JP3446085B2 - Deflection yoke - Google Patents
Deflection yokeInfo
- Publication number
- JP3446085B2 JP3446085B2 JP02309993A JP2309993A JP3446085B2 JP 3446085 B2 JP3446085 B2 JP 3446085B2 JP 02309993 A JP02309993 A JP 02309993A JP 2309993 A JP2309993 A JP 2309993A JP 3446085 B2 JP3446085 B2 JP 3446085B2
- Authority
- JP
- Japan
- Prior art keywords
- deflection coil
- deflection
- horizontal
- coil
- deflection yoke
- 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
Description
【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明はテレビジョン受像機など
に使用される陰極線管に組み合わせて使用する偏向ヨー
クに関する。
【０００２】
【従来の技術】以下に従来の偏向ヨークについて説明す
る。
【０００３】図４および図５に示すように、電磁偏向方
式の場合は、陰極線管内で蛍光面を電子ビーム走査させ
るために、水平偏向コイル１及び垂直偏向コイル２を巻
回したフェライトコア３を有する偏向コイルを陰極線管
４のファンネルとネックとの接触箇所近傍の管外部を囲
むようにネック部ホルダー５と開口部ホルダー６で保持
して配設している。
【０００４】図中の７は陰極線管４と偏向ヨークを電気
的に絶縁させるセパレータである。水平偏向コイル１
は、コイルのオーム損、渦電流損などにより偏向ヨーク
では最も発熱する部位である。また、垂直偏向コイル２
は水平偏向コイル１と同様にオーム損などで発熱する
が、水平偏向コイル１に比して偏向電流が小さいためそ
の発熱量は、水平偏向コイル１よりも少ない。さらに、
フェライトコア３もヒステリシス損、渦電流損などによ
り発熱する。
【０００５】上述の発熱による偏向ヨークの各部位及び
周辺と外気の温度は、図３に実線で示したように、水平
偏向コイル１がもっとも温度上昇が高く、ついでフェラ
イトコア３、ついで垂直偏向コイル２の順となる。水平
偏向コイル１と垂直偏向コイル２はセパレータ７を介し
て空間があるが、この空間は水平偏向コイル１と垂直偏
向コイル２に囲まれた空間であるため、図３のグラフか
ら明らかであるが、かなりの高温な空気が充満すること
になる。
【０００６】上述のように明るい表示を得るために電子
ビームを高い陽極電圧で加速したり、また陰極線管４の
ファンネル部の長さを短くして偏向角度を大きくしたり
すると、強い偏向磁界が必要となる。そのために偏向コ
イルは大きなアンペアターンを有することになり、偏向
コイルの内部での発熱量が多くなるので、偏向ヨークの
温度上昇を防止する対策が必要となる。
【０００７】この対策として低渦電流のヒートシンクを
リッツ線のより線の本数を多くし、水平偏向コイル１の
Ｌ／ＲDCを大きくして銅損及び渦電流損の低減を図るこ
とや、また、水平偏向コイル１と垂直偏向コイル２の間
に高熱伝導率の物質を充填させて放熱を良くする工夫が
なされている（例えば、特開平２−２７３４４１号公報
参照）。
【０００８】本来、水平偏向コイル１のインダクタンス
Ｌと直流抵抗ＲDCの比Ｌ／ＲDCは０.8mH／Ω程度である
ものを、低渦電流のヒートシンクをリッツ線のより線の
本数を多くして対策するように構成した偏向ヨークの場
合、水平偏向コイル１のインダクタンスＬと直流抵抗Ｒ
DCの比Ｌ／ＲDCを０.9〜１.1mH／Ω程度に設定する必要
があった。さらに、水平偏向コイル１にリッツ線を使用
するので、コイル線の線径自体が大きくなり、コイルの
巻線性及び偏向ヨークの組立の作業性が悪く、また、水
平偏向コイル１と垂直偏向コイル２の間を、高熱伝導率
の物質で充填する場合にも作業性が悪かった。
【０００９】また、サドル・トロイダル型の偏向ヨーク
の場合、水平偏向コイル１と垂直偏向コイル２の間の空
間に高温の空気が充満し、それが偏向ヨークの内部の温
度上昇を低下させることを妨げていた。
【００１０】
【発明が解決しようとする課題】上述のように従来の構
成では、偏向ヨークの温度上昇を抑制するには、水平偏
向コイルのＬ／ＲDCが大きくなるという問題点や偏向ヨ
ークの組立の作業性が悪いという問題点を有していた。
【００１１】本発明は上記従来の問題点を解決するもの
で、水平偏向コイルのＬ／ＲDCを０.8mH／Ωに保ちつつ
温度上昇を抑制できる、組立の作業性の良好な偏向ヨー
クを提供することを目的とする。
【００１２】
【課題を解決するための手段】この目的を達成するため
に本発明の偏向ヨークは、陰極線管の電子ビームを偏向
させる偏向磁界を発生する偏向ヨークの水平偏向コイル
と垂直偏向コイルの間の開口部ホルダー側の開口部に位
置する熱伝導率の良いヒートシンク材を備えていて、前
記ヒートシンク材は分割構成であって各分割部分にはそ
れぞれ前記開口部において前記水平偏向コイルと前記垂
直偏向コイルとの間の間隙に位置する水平部と、前記水
平部の内周縁に形成されて前記偏向ヨーク内において前
記垂直偏向コイルの端部に臨む内周傾斜部と、前記水平
部の外周縁に形成されて前記偏向ヨーク外において前記
垂直偏向コイル側に立設する外周立設部とを設け、前記
水平部と前記内周傾斜部とが前記開口部に挿入されるこ
とによって組合わされる前記水平部と前記内周傾斜部と
前記外周立設部とにより円環状に構成される前記ヒート
シンク材は前記垂直偏向コイルを備えたフェライトコア
の広口部を間隔をあけて覆い、前記ヒートシンク材の前
記水平部と前記内周傾斜部と前記外周立設部のそれぞれ
と前記垂直偏向コイルとの間に形成される各間隙に熱伝
導率の良い接着剤を充填して前記ヒートシンク材を偏向
ヨークに固着した構成としたものである。
【００１３】
【作用】分割構成の円環状のヒートシンク材の各分割部
分を偏向ヨークの外部より固着する構成において、水平
偏向コイルと垂直偏向コイルの間の空間の空気の温度を
低下して偏向ヨークの内部の発熱を効率よく外部に放熱
することとなり、しかも、垂直偏向コイルの発熱を容易
に外部に放熱することとなって、温度上昇を抑制でき、
その結果不利な巻線性をもたらすリッツ線によるコイル
に依存する必要がなく、その上ヒートシンク材の簡易な
固着構成により組立の作業性の良好な偏向ヨークを提供
できる。
【００１４】
【実施例】以下本発明の一実施例について、図面を参照
しながら説明する。
【００１５】本発明の一実施例において、前述の従来例
について説明した構成部分と同じ部分については同一符
号を付し、その説明を省略する。
【００１６】図１および図２に示すように、本実施例の
特徴とするところは、水平偏向コイル１と垂直偏向コイ
ル２との間の開口部に位置させるアルミニウムなどの非
磁性体で熱伝導率の良い材料でフェライトコア３の広口
部３ａを間隙をあけて覆う形状のヒートシンク材８を分
割部分８ａと８ｂとで分割構成するものとし、分割部分
８ａには水平部８ａ−１と、その内周縁に形成した内周
傾斜部８ａ−２と、水平部８ａ−１の外周縁に形成した
外周立設部８ａ−３を構成し、分割部分８ｂには水平部
８ｂ−１と、その内周縁に形成した内周傾斜部８ｂ−２
と、水平部８ｂ−１の外周縁に形成した外周立設部８ｂ
−３をそれぞれ構成した点である。そして分割部分８ａ
はその水平部８ａ−１と内周傾斜部８ａ−２を、分割部
分８ｂはその水平部８ｂ−１と内周傾斜部８ｂ−２を偏
向ヨークの外部より開口部に挿入することにより、偏向
ヨークの全外周にわたって円環状のヒートシンク材８が
設けられる。従って上記の水平部８ａ−１と水平部８ｂ
−１は水平偏向コイル１と垂直偏向コイル２との間の間
隙に位置することになり、内周傾斜部８ａ−２と内周傾
斜部８ｂ−２はそれぞれ偏向ヨーク内において垂直偏向
コイル１の端部に臨むことになり、しかも偏向ヨーク外
において垂直偏向コイル側に外周立設部８ａ−３と８ｂ
−３を立設することにより水平部８ａ−１，８ｂ−１、
内周傾斜部８ａ−２，８ｂ−２、外周立設部８ａ−３，
８ｂ−３は垂直偏向コイル２の端部を覆う構成となり、
前記水平部８ａ−１，８ｂ−１、内周傾斜部８ａ−２，
８ｂ−２、外周立設部８ａ−３，８ｂ−３とフェライト
コア３の広口部３ａにある垂直偏向コイル２の局部との
間の各間隙に熱伝導率の良い接着剤９を充填してヒート
シンク材８が偏向ヨークに固着される。
【００１７】前述の従来例で説明した偏向ヨークの各部
位の温度と同じ部位での本実施例の偏向コイルについて
の温度は、図３に点線で示したようになる。
【００１８】図３から明らかなように従来例の偏向ヨー
クに比して本実施例の偏向ヨークは、各部位の温度が低
下していることがわかる。
【００１９】以上のように本実施例によれば、ヒートシ
ンク材８を水平偏向コイル１と垂直偏向コイル２の開口
部に配設することにより、水平偏向コイル１と垂直偏向
コイル２間の間隙部分の熱を低温な偏向ヨークの外部に
効率よく伝導することができる。
【００２０】すなわち間隙の温度を低減できれば、水平
偏向コイル１の熱が間隙に伝わるので、偏向ヨークの中
で最も高温な水平偏向コイル１の温度が低減できる。
【００２１】偏向ヨークは実用時に、開口部ホルダー６
側がネック部ホルダー５側より上側に位置することにな
るので、高温の空気はネック部ホルダー５側より開口部
ホルダー６側に対流するため、ヒートシンク材８を開口
部ホルダー６側に配設した方が少ない材料で効率よく熱
を伝導できることになる。
【００２２】また、垂直偏向コイル２とヒートシンク材
８との間に熱伝導率の良い接着剤９を充填させることに
より、垂直偏向コイル２とフェライトコア３の熱を接着
剤９を通してヒートシンク材８に効率よく伝導できるの
で、垂直偏向コイル２とフェライトコア３の温度上昇を
低減させることができる。
【００２３】
【発明の効果】以上の説明から明らかなように本発明
は、分割構成の熱伝導率の良いヒートシンク材の水平部
と内周傾斜部を水平偏向コイルと垂直偏向コイルの間の
開口部に挿入する簡単な構成により前記垂直偏向コイル
を巻装したフェライトコアの広口部にヒートシンク材を
間隔をあけて覆う形状として開口部ホルダー側に配設
し、しかも、ヒートシンク材の水平部と内周傾斜部と外
周立設部と垂直偏向コイルの各間隙に熱伝導率の良い接
着剤を充填したことにより、水平偏向コイルのＬ／ＲDC
を０．８ｍＨ／Ωに保ちつつ温度上昇を抑制でき、巻線
性の悪いリッツ線を使用する必要がなく、その上組立後
の偏向ヨークの外側よりヒートシンク材並びに接着剤を
偏向ヨークに装着することができ、組立の作業性の良好
な優れた偏向ヨークを実現できるものである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deflection yoke used in combination with a cathode ray tube used in a television receiver or the like. [0002] A conventional deflection yoke will be described below. As shown in FIGS. 4 and 5, in the case of the electromagnetic deflection system, a ferrite core 3 wound with a horizontal deflection coil 1 and a vertical deflection coil 2 is used to scan a fluorescent screen with an electron beam in a cathode ray tube. The deflection coil is held by a neck holder 5 and an opening holder 6 so as to surround the outside of the tube in the vicinity of the contact point between the funnel of the cathode ray tube 4 and the neck. [0004] Reference numeral 7 in the figure denotes a separator for electrically insulating the cathode ray tube 4 from the deflection yoke. Horizontal deflection coil 1
Is the portion of the deflection yoke that generates the most heat due to ohmic loss and eddy current loss of the coil. The vertical deflection coil 2
Generates heat due to ohmic loss or the like, like the horizontal deflection coil 1, but generates less heat than the horizontal deflection coil 1 because the deflection current is smaller than that of the horizontal deflection coil 1. further,
The ferrite core 3 also generates heat due to hysteresis loss, eddy current loss, and the like. As shown by the solid line in FIG. 3, the temperature of each part of the deflection yoke, the surrounding area, and the outside air due to the above-mentioned heat generation is highest in the horizontal deflection coil 1, then in the ferrite core 3, and then in the vertical deflection coil. The order is 2. Although there is a space between the horizontal deflection coil 1 and the vertical deflection coil 2 via the separator 7, since this space is a space surrounded by the horizontal deflection coil 1 and the vertical deflection coil 2, it is clear from the graph of FIG. , Will be filled with quite hot air. If the electron beam is accelerated with a high anode voltage to obtain a bright display as described above, or if the deflection angle is increased by shortening the length of the funnel portion of the cathode ray tube 4, a strong deflection magnetic field is generated. Required. For this reason, the deflection coil has a large ampere turn, and the amount of heat generated inside the deflection coil increases. Therefore, it is necessary to take measures to prevent the temperature of the deflection yoke from rising. As a countermeasure, a low heat sink having a low eddy current is provided by increasing the number of stranded Litz wires, and increasing the L / R DC of the horizontal deflection coil 1 to reduce copper loss and eddy current loss. In order to improve heat radiation, a material having a high thermal conductivity is filled between the horizontal deflection coil 1 and the vertical deflection coil 2 (see, for example, Japanese Patent Application Laid-Open No. 2-273441). [0008] Essentially, what the ratio L / R DC of the inductance L and the DC resistance R DC of the horizontal deflection coil 1 is about 0.8mH / Ω, more the number of strands of the litz wire of the low eddy current heat sinks In the case of a deflection yoke configured to take measures, the inductance L of the horizontal deflection coil 1 and the DC resistance R
It was necessary to set the DC ratio L / R DC to about 0.9 to 1.1 mH / Ω. Further, since the litz wire is used for the horizontal deflection coil 1, the wire diameter of the coil wire itself becomes large, so that the winding property of the coil and the workability of assembling the deflection yoke are deteriorated. Also, the workability was poor when the space between them was filled with a substance having high thermal conductivity. In the case of a saddle toroidal deflection yoke, the space between the horizontal deflection coil 1 and the vertical deflection coil 2 is filled with high-temperature air, which reduces the temperature rise inside the deflection yoke. Hindered. [0010] As described above, in the conventional configuration, in order to suppress the temperature rise of the deflection yoke, the L / R DC of the horizontal deflection coil becomes large, There was a problem that the workability of assembly was poor. The present invention solves the above-mentioned conventional problems, and provides a deflection yoke which can suppress a temperature rise while maintaining L / R DC of a horizontal deflection coil at 0.8 mH / Ω, and which has good workability in assembly. The purpose is to provide. In order to achieve the above object, a deflection yoke according to the present invention comprises a horizontal deflection coil and a vertical deflection coil of a deflection yoke for generating a deflection magnetic field for deflecting an electron beam of a cathode ray tube. A heat sink material having good thermal conductivity, which is located in an opening on the side of the opening holder side, wherein the heat sink material has a divided configuration, and each divided portion has the opening and the horizontal deflection coil and the vertical A horizontal portion located in a gap between the deflection coil, an inner inclined portion formed on an inner peripheral edge of the horizontal portion and facing an end of the vertical deflection coil in the deflection yoke, and an outer peripheral edge of the horizontal portion And an outer-peripheral erected portion erected on the side of the vertical deflection coil outside the deflection yoke, wherein the horizontal portion and the inner peripheral inclined portion are inserted into the opening. Thus combined by the horizontal portion and the inner peripheral inclined portion and the outer peripheral erected portion and the annularly configured the heat sink material covers at a interval the wide opening of the ferrite core with the vertical deflection coil In front of the heat sink material
The horizontal portion, the inner peripheral inclined portion, and the outer peripheral standing portion, respectively.
And a gap formed between the vertical deflection coil and the vertical deflection coil is filled with an adhesive having good thermal conductivity, and the heat sink material is fixed to the deflection yoke. The divided portions of the annular heat sink material having the divided structure
In this configuration, the temperature of the air in the space between the horizontal deflection coil and the vertical deflection coil is reduced, and the heat generated inside the deflection yoke is efficiently radiated to the outside. The heat of the deflection coil can be easily dissipated to the outside, suppressing the rise in temperature.
Litz wire coil resulting in disadvantageous winding properties
No need to rely on
A deflection yoke with good workability in assembly can be provided by the fixing configuration . An embodiment of the present invention will be described below with reference to the drawings. In the embodiment of the present invention, the same components as those of the above-described conventional example are denoted by the same reference numerals, and the description thereof will be omitted. As shown in FIGS. 1 and 2, the feature of the present embodiment is that a non-magnetic material such as aluminum positioned at an opening between the horizontal deflection coil 1 and the vertical deflection coil 2 is made of a heat conductive material. min heat sink material 8 of a shape of the wide opening 3a covering at a gap of the ferrite core 3 at a rate of a material
It is assumed that the divided parts are divided into the divided parts 8a and 8b.
8a has a horizontal portion 8a-1 and an inner periphery formed on the inner periphery thereof.
Formed on the outer periphery of the inclined portion 8a-2 and the horizontal portion 8a-1
The outer peripheral standing portion 8a-3 is formed, and the divided portion 8b has a horizontal portion.
8b-1 and an inner peripheral inclined portion 8b-2 formed on the inner peripheral edge thereof.
And an outer peripheral standing portion 8b formed on the outer peripheral edge of the horizontal portion 8b-1
-3, respectively. And the divided part 8a
Divides the horizontal portion 8a-1 and the inner peripheral inclined portion 8a-2 into divided portions.
The part 8b biases the horizontal part 8b-1 and the inner peripheral inclined part 8b-2.
Deflection by inserting into the opening from the outside of the direction yoke
An annular heat sink material 8 is provided over the entire outer periphery of the yoke.
Provided. Therefore, the horizontal portion 8a-1 and the horizontal portion 8b
-1 is between the horizontal deflection coil 1 and the vertical deflection coil 2
The inner peripheral inclined portion 8a-2 and the inner peripheral inclined portion 8a-2
The inclined portions 8b-2 are vertically deflected in the deflection yoke.
It faces the end of the coil 1 and is outside the deflection yoke.
At the outer peripheral standing portions 8a-3 and 8b on the vertical deflection coil side
-3, the horizontal parts 8a-1, 8b-1,
Inner peripheral inclined portions 8a-2, 8b-2, outer peripheral standing portions 8a-3,
8b-3 is configured to cover the end of the vertical deflection coil 2,
The horizontal portions 8a-1, 8b-1, the inner peripheral inclined portions 8a-2,
8b-2, outer erected portions 8a-3, 8b-3 and ferrite
With the local part of the vertical deflection coil 2 in the wide opening 3a of the core 3.
Fill each gap between them with adhesive 9 with good thermal conductivity and heat
The sink material 8 is fixed to the deflection yoke. The temperature of the deflection coil of the present embodiment at the same portion as the temperature of each portion of the deflection yoke described in the above-mentioned conventional example is as shown by a dotted line in FIG. As is apparent from FIG. 3, the temperature of each part of the deflection yoke of this embodiment is lower than that of the conventional deflection yoke. As described above, according to the present embodiment, by disposing the heat sink material 8 at the openings of the horizontal deflection coil 1 and the vertical deflection coil 2, the gap between the horizontal deflection coil 1 and the vertical deflection coil 2 is formed. Can be efficiently conducted to the outside of the low-temperature deflection yoke. That is, if the temperature of the gap can be reduced, the heat of the horizontal deflection coil 1 is transmitted to the gap, so that the temperature of the hottest horizontal deflection coil 1 in the deflection yoke can be reduced. When the deflection yoke is used, the opening holder 6 is used.
Since the side will be located above the neck holder 5 side, because the hot air convection from the neck holder 5 side to the opening the holder 6 side, who were provided with heat sink material 8 to the opening the holder 6 side The heat can be efficiently conducted with less material. Further, by filling an adhesive 9 having good thermal conductivity between the vertical deflection coil 2 and the heat sink material 8, heat of the vertical deflection coil 2 and the ferrite core 3 is transferred to the heat sink material 8 through the adhesive 9. Since the conduction can be performed efficiently, the temperature rise of the vertical deflection coil 2 and the ferrite core 3 can be reduced. As is apparent from the above description, according to the present invention, the horizontal portion and the inner peripheral inclined portion of the heat sink material having a good thermal conductivity in a divided configuration are formed by opening the horizontal deflection coil and the vertical deflection coil. a simple configuration to be inserted into parts disposed in the opening the holder side as the shape that covers the heat sink material at an <br/> interval to the wide opening of the ferrite core wound vertical deflection coils, moreover, the heat sink material The gap between the horizontal part, the inner peripheral inclined part, the outer peripheral standing part, and the vertical deflection coil is filled with an adhesive having good thermal conductivity, so that the L / R DC of the horizontal deflection coil is
The temperature rise can be suppressed while maintaining 0.8 mH / Ω, there is no need to use a litz wire having poor winding properties, and a heat sink material and an adhesive are mounted on the deflection yoke from outside the deflection yoke after assembly. Thus, it is possible to realize an excellent deflection yoke with good workability in assembly.
【図面の簡単な説明】
【図１】本発明の一実施例の偏向ヨークの一部を欠載し
て断面を示した正面略図
【図２】同偏向ヨークのヒートシンク材とフェライトコ
アの分解外観斜視図
【図３】本発明の一実施例および従来の偏向ヨークの各
部位の温度を示すグラフ
【図４】従来の偏向ヨークを陰極線管に組み合わせた状
態の一部を欠載して断面を示した正面略図
【図５】従来の偏向ヨークの一部を欠載して断面を示し
た正面略図
【符号の説明】
１ 水平偏向コイル
２ 垂直偏向コイル３ フェライトコア ３ａ 広口部 ４ 陰極線管 ６ 開口部ホルダー
８ ヒートシンク材８ａ，８ｂ 分割部分 ８ａ−１，８ｂ−１ 水平部 ８ａ−２，８ｂ−２ 内周傾斜部 ８ａ−３，８ｂ−３ 外周立設部
９ 接着剤BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic front view showing a cross section of a deflection yoke according to an embodiment of the present invention with a part of the deflection yoke removed. FIG. 2 is an exploded appearance of a heat sink material and a ferrite core of the deflection yoke. FIG. 3 is a graph showing the temperature of each part of the conventional deflection yoke according to one embodiment of the present invention. FIG. 4 is a cross-sectional view showing a state where the conventional deflection yoke is combined with a cathode ray tube with a part thereof being omitted. FIG. 5 is a schematic front view showing a cross section of a conventional deflection yoke with a part thereof omitted. [Description of References] 1 Horizontal deflection coil 2 Vertical deflection coil 3 Ferrite core 3a Wide opening 4 Cathode ray tube 6 Opening Part holder 8 Heat sink material 8a, 8b Divided part 8a-1 , 8b -1 Horizontal part 8a-2, 8b-2 Inner peripheral inclined part 8a-3, 8b-3 Outer peripheral standing part 9 Adhesive
Claims (1)
磁界を発生する偏向ヨークの水平偏向コイルと垂直偏向
コイルの間の開口部ホルダー側の開口部に位置する熱伝
導率の良いヒートシンク材を備えていて、前記ヒートシ
ンク材は分割構成であって各分割部分にはそれぞれ前記
開口部において前記水平偏向コイルと前記垂直偏向コイ
ルとの間の間隙に位置する水平部と、前記水平部の内周
縁に形成されて前記偏向ヨーク内において前記垂直偏向
コイルの端部に臨む内周傾斜部と、前記水平部の外周縁
に形成されて前記偏向ヨーク外において前記垂直偏向コ
イル側に立設する外周立設部とを設け、前記水平部と前
記内周傾斜部とが前記開口部に挿入されることによって
組合わされる前記水平部と前記内周傾斜部と前記外周立
設部とにより円環状に構成される前記ヒートシンク材は
前記垂直偏向コイルを備えたフェライトコアの広口部を
間隔をあけて覆い、前記ヒートシンク材の前記水平部と
前記内周傾斜部と前記外周立設部のそれぞれと前記垂直
偏向コイルとの間に形成される各間隙に熱伝導率の良い
接着剤を充填して前記ヒートシンク材を偏向ヨークに固
着した構成を特徴とする偏向ヨーク。(57) Claims 1. A deflection yoke for generating a deflection magnetic field for deflecting an electron beam of a cathode ray tube is located at an opening between a horizontal deflection coil and a vertical deflection coil on a holder side. A heat sink material having good thermal conductivity, wherein the heat sink material has a divided structure, and each divided portion has a horizontal portion located at a gap between the horizontal deflection coil and the vertical deflection coil at the opening portion. An inner inclined portion formed on an inner peripheral edge of the horizontal portion and facing the end of the vertical deflection coil in the deflection yoke; and the vertical deflection formed on an outer peripheral edge of the horizontal portion outside the deflection yoke. An outer peripheral standing portion provided on the coil side is provided, and the horizontal portion, the inner peripheral inclined portion, and the outer peripheral inclined portion are combined by being inserted into the opening. The heat sink material configured as a ring by a standing portion covers at a <br/> interval the wide opening of the ferrite core with the vertical deflection coil, and the horizontal portion of the heat sink material
Each of the inner peripheral inclined portion and the outer peripheral standing portion and the vertical
A deflection yoke, wherein each gap formed between the deflection yoke and the deflection coil is filled with an adhesive having good thermal conductivity, and the heat sink material is fixed to the deflection yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02309993A JP3446085B2 (en) | 1993-02-12 | 1993-02-12 | Deflection yoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02309993A JP3446085B2 (en) | 1993-02-12 | 1993-02-12 | Deflection yoke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06243798A JPH06243798A (en) | 1994-09-02 |
| JP3446085B2 true JP3446085B2 (en) | 2003-09-16 |
Family
ID=12101008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02309993A Expired - Fee Related JP3446085B2 (en) | 1993-02-12 | 1993-02-12 | Deflection yoke |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3446085B2 (en) |
-
1993
- 1993-02-12 JP JP02309993A patent/JP3446085B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06243798A (en) | 1994-09-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |