JPH07220654A - Deflection yoke - Google Patents

Deflection yoke

Info

Publication number
JPH07220654A
JPH07220654A JP2903794A JP2903794A JPH07220654A JP H07220654 A JPH07220654 A JP H07220654A JP 2903794 A JP2903794 A JP 2903794A JP 2903794 A JP2903794 A JP 2903794A JP H07220654 A JPH07220654 A JP H07220654A
Authority
JP
Japan
Prior art keywords
groove
coil
coil winding
deflection
bobbin
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.)
Pending
Application number
JP2903794A
Other languages
Japanese (ja)
Inventor
Hiroshi Ikeuchi
博 池内
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to JP2903794A priority Critical patent/JPH07220654A/en
Publication of JPH07220654A publication Critical patent/JPH07220654A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To provide a highly sensitive deflection yoke by which wrinkles are not created in wires of a deflection coil formed by layering and winding multicore parallel conductors and a clearance is not created between coil layers and which uses the deflection coil causing no coil deformation by external force. CONSTITUTION:Lines l1 and l2 on the both groove width ends of coil winding grooves 5 formed on a curved surface 19 of a taper part 17 of a bobbin 2, are formed of lines depicted in about the same radius of curvature, and an inside groove bottom surface is formed as a bottom raised slant face higher than the outside, and the lines on both ends are made equal to each other. Among the coil winding grooves of a groove branching part 20 in a boundary area E between a straight surface 18 of a straight part 16 and a taper curved surface 19, groove bottom surfaces of varying and branching coil winding grooves are formed of bottom raised slant faces whose varying inside is made higher than the outside. Multicore parallel conductors are layered on and wound round these coil winding grooves 5, and a deflection coil having no wrinkles in the multicore parallel conductors and having no clearance between layers is formed, and this deflection coil is assembled, and a highly sensitive deflection yoke having a high space factor is manufactured.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明はテレビジョン受像機やデ
ィスプレイ装置等に装着される偏向ヨークに関するもの
である。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deflection yoke mounted on a television receiver, a display device or the like.

【0002】[0002]

【従来の技術】近年、テレビジョン受像機のハイビジョ
ン化や高精細度ディスプレイ装置の出現によって、これ
ら装置の陰極線管の画面の色ずれ、即ちコンバージェン
ス等の規格がますます厳しいものになっており、これに
伴い、偏向磁界のますますの精密な制御が望まれる。
2. Description of the Related Art In recent years, with the advent of high-definition television receivers and the appearance of high-definition display devices, the color shift of the screen of the cathode ray tube of these devices, that is, the standards such as convergence, have become increasingly strict. Along with this, increasingly precise control of the deflection magnetic field is desired.

【0003】図8にはテレビジョン受像機やディスプレ
イ装置の陰極線管に装着される偏向ヨークが示されてい
る。この種の偏向ヨークは、朝顔状をしたボビン2の内
周面に沿ってトップ側とボトム側に水平偏向コイル(図
示せず)を装着し、ボビン2の外側には垂直偏向コイル
(図示せず)とコア(図示せず)を装着したものであ
る。
FIG. 8 shows a deflection yoke mounted on a cathode ray tube of a television receiver or a display device. In this type of deflection yoke, horizontal deflection coils (not shown) are mounted on the top side and the bottom side along the inner peripheral surface of the bobbin 2 having a morning glory shape, and a vertical deflection coil (not shown) is provided outside the bobbin 2. No.) and a core (not shown) are attached.

【0004】図7には一般的な偏向ヨークに使用される
くら型偏向コイルのボビンの一例が示されている。この
ボビン2には複数のコイル巻き溝5が設けられており、
このコイル巻き溝5に、例えば、図6に示されるような
捲線11が積層巻回され、偏向コイルが形成される。この
捲線11としては絶縁層4が施された導線(リッツ線を含
む)が用いられている。
FIG. 7 shows an example of a bobbin of a saddle type deflection coil used for a general deflection yoke. The bobbin 2 is provided with a plurality of coil winding grooves 5,
A winding 11 as shown in FIG. 6, for example, is wound around the coil winding groove 5 in layers to form a deflection coil. As the winding wire 11, a conductive wire (including a litz wire) provided with the insulating layer 4 is used.

【0005】前記コイル巻き溝5内に捲線11を巻回する
際に、この捲線11は束ねられないばらばらの単線のまま
1本〜数本ずつ自動捲線機で積層巻回され、これによっ
て偏向コイルが形成される。
When the winding wire 11 is wound in the coil winding groove 5, the winding wire 11 is laminated and wound by an automatic winding machine one by several as single unwound single wires which are not bundled. Is formed.

【0006】[0006]

【発明が解決しようとする課題】しかしながら、捲線11
を巻くときに張力の方向が変化する等によって、図6に
示すように、捲線11はずれて片寄って巻かれたり、捲線
11の順番が入れ替わったりして、設計指示通りに巻くこ
とができないという問題が生じ、しかも量産される各偏
向コイルの捲線11の片寄りの状態も個々の製品毎にばら
つきを生じ、コイル分布のばらつきが大きく、偏向磁界
を精度よく制御することができないという問題があっ
た。
[Problems to be Solved by the Invention] However, the winding 11
As shown in FIG. 6, when the winding direction of the winding is changed, the winding 11 is displaced and is wound side by side, or the winding is wound.
There is a problem that the order of 11 is changed and it is not possible to wind according to the design instruction, and the deviation of the winding 11 of each deflection coil that is mass-produced also varies from product to product, and the coil distribution There is a problem that the deflection magnetic field cannot be accurately controlled because the variation is large.

【0007】本発明者らはこのような問題を解決するた
めに、従来の1本、1本の単線のコイル導線に替えて図
5に示すようなリボン線等の多芯平行導線を用いて形成
する偏向コイルを提案している。
In order to solve such a problem, the inventors of the present invention use a multi-core parallel conductor wire such as a ribbon wire as shown in FIG. 5 in place of the conventional single wire conductor wire of one wire. A deflection coil to be formed is proposed.

【0008】前記多芯平行導線15としては、図5に示す
ように、銅やアルミニウム等の導体線8の外周に絶縁層
4とホットメルト接着層9が形成された複数の導体線8
を平行に配列して接着し、一体化されたものが使用され
る。
As the multi-core parallel conductor wire 15, as shown in FIG. 5, a plurality of conductor wires 8 in which an insulating layer 4 and a hot melt adhesive layer 9 are formed on the outer periphery of the conductor wire 8 such as copper or aluminum.
These are integrated and used by arranging in parallel and adhering.

【0009】上記多芯平行導線15を用いて形成される提
案例の偏向コイルには、図4に示されるようなくら型形
状の水平偏向コイル用ボビン2が用いられ、このボビン
2は半割り形状をしており、くら型形状の底面であるセ
パレータ面3で、2個の半割り状ボビン2を嵌合爪6と
嵌合穴7との嵌め合いによって装着される構造となって
いる。このボビン2の内周面はネック側13におけるスト
レート部16のストレート面18と、ストレート部16から頭
部端14側に向かって末広がりとなるテーパ部17のテーパ
部曲面19とを有している。このボビン2の内周面には頭
部側12とネック側13を結ぶ方向に多芯平行導線15のコイ
ル巻き溝5が形成されている。
A bobbin 2 for a horizontal deflection coil having a hull shape as shown in FIG. 4 is used for the deflection coil of the proposed example formed by using the multi-core parallel conductor 15, and the bobbin 2 is divided in half. It has a shape, and has a structure in which two half-split bobbins 2 are mounted by fitting the fitting claws 6 and the fitting holes 7 on the separator surface 3 which is the bottom surface of the paddle shape. The inner peripheral surface of the bobbin 2 has a straight surface 18 of a straight portion 16 on the neck side 13 and a tapered curved surface 19 of a tapered portion 17 that widens toward the head end 14 side from the straight portion 16. . On the inner peripheral surface of the bobbin 2, a coil winding groove 5 of a multicore parallel conductor 15 is formed in a direction connecting the head side 12 and the neck side 13.

【0010】また、このコイル巻き溝5はストレート面
18とテーパ部曲面19との境界領域Eで1本のスレート面
18のコイル巻き溝5から複数本のテーパ部曲面19のコイ
ル巻き溝5に分岐する溝分岐部20を有している。図4の
(a)にはボビン2をネック側13から見た面が、図4の
(b)にはセパレータ面3から見た面が、図4の(c)
には頭部側12から見た面が示されている。
The coil winding groove 5 has a straight surface.
One slate surface in the boundary area E between the curved surface 18 and the tapered surface 19
It has a groove branching part 20 that branches from the coil winding groove 5 of 18 to the coil winding groove 5 of the plurality of tapered curved surfaces 19. 4A shows a surface of the bobbin 2 as seen from the neck side 13, and FIG. 4B shows a surface as seen from the separator surface 3 of FIG.
Shows the surface viewed from the head side 12.

【0011】このボビン2のコイル巻き溝5に多芯平行
導線15を巻いて水平偏向コイルを形成すると、上記多芯
平行導線15の導体線8はそれぞれの多芯平行導線15内で
順序よく固定されており、したがって、導体線8はそれ
ぞれの多芯平行導線15内で線がずれたり、また、線の順
番が入れ替わったりすることがないので、これらの多芯
平行導線15を用い、この多芯平行導線15をコイル巻き溝
5に積層巻回することにより前記導体線8の大幅なずれ
等を解消し、コイル分布のばらつきのない水平偏向コイ
ルの作製が期待できる。
When a multi-core parallel conductor 15 is wound around the coil winding groove 5 of the bobbin 2 to form a horizontal deflection coil, the conductors 8 of the multi-core parallel conductor 15 are fixed in order within each multi-core parallel conductor 15. Therefore, since the conductor wire 8 does not shift or the order of the wires does not change within each multicore parallel conductor 15, these multicore parallel conductors 15 are used. By winding the parallel conductive wire 15 around the coil winding groove 5 in layers, a large deviation of the conductor wire 8 can be eliminated, and a horizontal deflection coil without variations in coil distribution can be expected.

【0012】ところで、多芯平行導線15を巻くコイル巻
き溝5は図6に示されるように溝5の底面10に対して垂
直に上方に向かって突出する一対の鍔1を有しており、
このコイル巻き溝5の底面10はネック側13から頭部端14
にかけて傾きのない平坦面を保っている。ところが、ボ
ビン2は図4の(b)に示されるように、ネック側13か
ら頭部側12にかけて末広がりの湾曲形状をしており、テ
ーパ部17の曲面19に設けられるコイル巻き溝5は湾曲形
状をしている。この湾曲形状のコイル巻き溝5に多芯平
行導線15を積層巻回すると、テーパ部17のコイル巻き溝
5では溝の内側の径路長が外側の径路長よりも短いの
で、溝5の内側では多芯平行導線15の線が弛み、線の浮
きや皺等が発生し易くなる。皺が発生すると、多芯平行
導線の積層間に隙間が発生し、コイル分布の形状が変化
するという問題がある。
By the way, as shown in FIG. 6, the coil winding groove 5 for winding the multi-core parallel conductor 15 has a pair of collars 1 projecting upward vertically to the bottom surface 10 of the groove 5,
The bottom surface 10 of the coil winding groove 5 is from the neck side 13 to the head end 14
It maintains a flat surface without tilting. However, as shown in FIG. 4B, the bobbin 2 has a curved shape that widens from the neck side 13 to the head side 12, and the coil winding groove 5 provided on the curved surface 19 of the taper portion 17 is curved. It has a shape. When the multi-core parallel conductor 15 is wound around the curved coil winding groove 5 in a laminated manner, the inner coil path length of the coil winding groove 5 of the taper portion 17 is shorter than the outer path length. The wire of the multi-core parallel conductor wire 15 is loosened, and the wire is easily lifted or wrinkled. When wrinkles are generated, there is a problem that a gap is generated between the laminated multi-core parallel conductors and the shape of the coil distribution is changed.

【0013】また、多芯平行導線15の積層間に隙間が発
生すると、例えば、外からこのコイルに圧力が加わる
と、隙間が圧縮されてこのコイルは変形するため、コイ
ル分布の形状がさらに変化するという問題がある。
When a gap is formed between the laminated multi-core parallel conductors 15, for example, when pressure is applied to the coil from the outside, the gap is compressed and the coil is deformed, so that the shape of the coil distribution is further changed. There is a problem of doing.

【0014】さらに、積層間にある隙間があると、コイ
ル巻き溝5内に捲線を有効に積層する捲線の線積率(コ
イル巻き溝の体積に対する捲線の体積比)が低下して、
偏向感度が悪くなるという問題がある。
Further, if there is a gap between the laminated layers, the wire area ratio (volume ratio of the winding to the volume of the coil winding) of the winding that effectively stacks the winding in the coil winding groove 5 decreases,
There is a problem that the deflection sensitivity becomes poor.

【0015】さらにまた、コイル巻き溝5のストレート
面18からテーパ部曲面19との境界領域Eの分岐部におい
ては、分岐するコイル巻き溝5のうち、変曲の溝の内側
と外側では内側の方が径路長が短くなっているため、テ
ーパ部17のコイル巻き溝5に多芯平行導線15を積層巻回
するときと同様に、溝5の内側では多芯平行導線の積層
コイル間に隙間が発生し、コイル分布の形状に変化が生
ずるという問題があり、線積率が低下して偏向感度が悪
化するという問題がある。
Furthermore, in the branch portion of the boundary area E between the straight surface 18 of the coil winding groove 5 and the tapered portion curved surface 19, of the branching coil winding groove 5, the inside of the inflection groove and the outside of the inflection groove are Since the path length is shorter, the gap between the laminated coils of the multifilamentary parallel conductors is formed inside the groove 5 as in the case of laminating and winding the multifilamentary parallel conductors 15 in the coil winding groove 5 of the taper portion 17. Occurs, and the shape of the coil distribution changes, which causes a problem that the linear product ratio decreases and the deflection sensitivity deteriorates.

【0016】本発明は、上記課題を解決するためになさ
れたものであり、その目的は、多芯平行導線を積層巻回
して形成する偏向コイルの積層間に隙間を生ずることが
なく、外圧に対してもコイル変形のない偏向コイルを用
いた高感度の偏向ヨークを提供することにある。
The present invention has been made to solve the above-mentioned problems, and an object thereof is to prevent external pressure from being generated without forming a gap between the laminations of deflection coils formed by laminating and winding multi-core parallel conductors. Another object of the present invention is to provide a highly sensitive deflection yoke that uses a deflection coil that is not deformed by the coil.

【0017】[0017]

【課題を解決するための手段】本発明は、上記目的を達
成するために、次のように構成されている。すなわち、
第1の発明の偏向ヨークは、くら型形状をしたボビンに
多芯平行導線を巻いて形成した偏向コイルを備えた偏向
ヨークであって、前記ボビンの内周面はネック側におけ
るストレート部のストレート面と、ストレート部から頭
部端側に向かって末広がりとなるテーパ部の曲面とを有
し、このボビン内周面に頭部側とネック側を結ぶ方向に
多芯平行導線のコイル巻き溝が形成され、前記テーパ部
の曲面に形成されるコイル巻き溝の溝幅中心を結ぶライ
ンは溝中心曲率半径によって描かれるラインによって形
成され、このテーパ部曲面のコイル巻き溝の溝幅両端の
ラインは前記溝中心曲率半径と同一点を中心とした約同
一の曲率半径によって形成され、同コイル巻き溝の底面
は溝幅両端の曲率半径の先端を結ぶ平面によって形成さ
れていることを特徴として構成されている。
In order to achieve the above object, the present invention is configured as follows. That is,
A deflection yoke according to a first aspect of the present invention is a deflection yoke including a deflection coil formed by winding a multicore parallel conductor wire on a bobbin having a paddle shape, and an inner peripheral surface of the bobbin is a straight portion of a straight portion on a neck side. The surface of the bobbin has a curved surface of a tapered portion that widens from the straight portion toward the head end side, and the coil winding groove of the multicore parallel conductor wire is formed on the inner peripheral surface of the bobbin in the direction connecting the head side and the neck side. A line connecting the groove width centers of the coil winding grooves formed on the curved surface of the tapered portion is formed by a line drawn by the groove center curvature radius. It is formed with a radius of curvature about the same point as the radius of curvature of the groove center, and the bottom surface of the coil winding groove is formed with a plane connecting the tips of the radius of curvature at both ends of the groove width. It is configured as.

【0018】また、第2の発明の偏向ヨークは、前記構
成のコイル巻き溝において、このコイル巻き溝にはスト
レート面とテーパ部曲面との境界領域で1本のストレー
ト面のコイル巻き溝から複数本のテーパ部曲面のコイル
巻き溝に分岐する溝分岐部を有しており、この溝分岐部
領域のコイル巻き溝のうち、変曲して分岐するコイル巻
き溝の溝底面は変曲の内側を外側よりも高くした上げぞ
こ斜面によって形成されていることを特徴としている。
The deflection yoke according to the second aspect of the present invention is the coil winding groove having the above-mentioned structure, wherein a plurality of coil winding grooves having one straight surface are formed in the boundary area between the straight surface and the tapered curved surface. The taper part has a groove branching portion that branches into a curved coil winding groove. Among the coil winding grooves in this groove branching area, the bottom of the coil winding groove that bends and branches is the inside of the bending. It is characterized in that it is formed by a raised slope that is higher than the outside.

【0019】[0019]

【作用】テーパ部の曲面に形成されるコイル巻き溝の溝
幅両端の溝ラインの曲率半径を約同一半径とし、溝幅両
端の溝ラインの長さを等しくしたので、このコイル巻き
溝に多芯平行導線を積層巻回することにより、捲線に浮
きや皺の発生がなく、積層コイル間に隙間のない線積率
が高く高感度の偏向コイルを形成する。
[Function] Since the radius of curvature of the groove lines at both ends of the groove width of the coil winding groove formed on the curved surface of the taper portion is set to be approximately the same radius and the lengths of the groove lines at both ends of the groove width are made equal to each other, this coil winding groove has many By winding the parallel-core conductive wire in a laminated manner, a winding coil is free from floating and wrinkles, and there is no gap between the laminated coils.

【0020】[0020]

【実施例】以下、本発明の実施例を図面に基づいて説明
する。なお、本実施例の説明において、提案例と同一の
名称部分には同一符号を付し、その詳細な重複説明は省
略する。図1には第1の実施例の偏向ヨークに用いる偏
向コイル用ボビンのコイル巻き溝の要部構成が示されて
いる。
Embodiments of the present invention will be described below with reference to the drawings. In the description of the present embodiment, the same reference numerals will be given to the same names as those in the proposed example, and detailed description thereof will be omitted. FIG. 1 shows the essential structure of the coil winding groove of the deflection coil bobbin used in the deflection yoke of the first embodiment.

【0021】本実施例の偏向ヨークは提案例と同様に図
3に示されるように、テレビジョン受像機やディスプレ
イ装置等の陰極線管30に装着されるもので、この偏向ヨ
ーク32を構成する水平偏向コイルには、ボビンにコイル
巻き溝が形成されている。このコイル巻き溝に多芯平行
導線を積層巻回して偏向コイルが形成される。
As shown in FIG. 3, the deflection yoke of this embodiment is mounted on the cathode ray tube 30 of a television receiver, a display device or the like as shown in FIG. A coil winding groove is formed on the bobbin of the deflection coil. A deflection coil is formed by laminating and winding a multi-core parallel conductor wire in the coil winding groove.

【0022】図3において、陰極線管30のテーパ部曲面
を形成するカーベチャー31は、曲率半径RT0,RT1,R
T2等によって連続的に描かれるラインによって形成され
ている。本実施例の偏向ヨークに用いられる偏向コイル
用ボビンのコイル巻き溝は、このコイル巻き溝に積層巻
回する多芯平行導線の積層表面を結ぶラインを前記カー
ベチャー31の曲面に近似させるために、コイル巻き溝の
底面の溝幅の中心を結ぶラインl0 を複数の溝中心曲率
半径R0 ,R01,R02等によって連続的に描かれるライ
ンによって形成される。
In FIG. 3, the curve 31 forming the curved surface of the taper portion of the cathode ray tube 30 has radii of curvature R T0 , R T1 , R
It is formed by lines drawn continuously by T2 and the like. The coil winding groove of the deflection coil bobbin used in the deflection yoke of the present embodiment, in order to approximate the line connecting the laminated surface of the multifilamentary parallel conducting wire wound in the coil winding groove to the curved surface of the carvecher 31, A line l 0 connecting the centers of the groove widths on the bottom surface of the coil winding groove is formed by a line continuously drawn by a plurality of groove center curvature radii R 0 , R 01 , R 02 and the like.

【0023】図1に示すように、ボビンのコイル巻き溝
5は、提案例と同様に多芯平行導線15を巻いてくら型形
状の水平偏向コイルを形成するためのコイル巻き溝5で
あり、図4の(b)に示されるボビンの頭部側とネック
側を結ぶ方向に多芯平行導線を巻くコイル巻き溝として
形成される。
As shown in FIG. 1, the coil winding groove 5 of the bobbin is a coil winding groove 5 for winding a multi-core parallel conductor 15 to form a hull-shaped horizontal deflection coil as in the case of the proposed example. It is formed as a coil winding groove for winding a multicore parallel conductor wire in a direction connecting the head side and the neck side of the bobbin shown in FIG. 4B.

【0024】このコイル巻き溝5は、図1に示されるよ
うに、溝幅22の中心21を結ぶラインl0 と、溝5の内側
端23を結ぶラインl1 と、溝5の外側端24を結ぶライン
2を有している。
As shown in FIG. 1, the coil winding groove 5 has a line l 0 connecting the center 21 of the groove width 22, a line l 1 connecting the inner end 23 of the groove 5 and an outer end 24 of the groove 5. Has a line l 2 connecting

【0025】本実施例の特徴的なことは、テーパ部曲面
に形成されるコイル巻き溝5の溝幅中心を結ぶラインl
0 を溝中心曲率半径R0 によって描かれるラインによっ
て形成し、テーパ部曲面のコイル巻き溝5の溝幅両端の
ラインl1 ,l2 を前記溝中心曲率半径R0 と同一点を
中心とした約同一の曲率半径によって形成したことであ
る。つまり、内側ラインl1 の曲率半径R1 と外側ライ
ンl2 の曲率R2 を同一とし、同一の曲率半径の同じ角
度範囲内で描かれる区間で溝5の外側ラインl2 と内側
ラインl1 を等しくしたことである。このラインl1
2 は同一の曲率半径R1 ,R2 やR11,R21・・・・
・の複数の曲率半径によって描かれる連続したラインに
よって形成される。また、コイル巻き溝5の底面10は溝
幅両端23,24の曲率半径の先端26,27を結ぶ平面25によ
って形成される。
The feature of this embodiment is that the line 1 connecting the center of the groove width of the coil winding groove 5 formed on the curved surface of the taper portion.
0 is formed by a line drawn by the groove center curvature radius R 0 , and the lines l 1 and l 2 at both ends of the groove width of the coil winding groove 5 having the tapered curved surface are centered at the same point as the groove center curvature radius R 0 . That is, they are formed with approximately the same radius of curvature. That is, the radius of curvature R 1 and the curvature R 2 of the outer line l 2 of the inner lines l 1 and the same, the outer line l 2 of the groove 5 in the section depicted in the same angular range of the same radius of curvature and an inner line l 1 Is equal. This line l 1 ,
l 2 has the same radius of curvature R 1 , R 2 , R 11 , R 21 ...
Formed by a continuous line drawn by multiple radii of curvature of. Further, the bottom surface 10 of the coil winding groove 5 is formed by a flat surface 25 connecting the tips 26, 27 of the curvature radii of the groove width ends 23, 24.

【0026】なお、図6に示されるように、提案例のコ
イル巻き溝5の底面10は鍔1に垂直で傾きのない平坦面
で形成されているが、本実施例の偏向ヨークに用いる偏
向コイル用ボビンのコイル巻き溝5の底面は、同一の曲
率半径R1 ,R2 の描くラインl1 ,l2 が湾曲してい
るために、内側では外側よりも盛り上がった上げぞこ斜
面で形成される。
As shown in FIG. 6, the bottom surface 10 of the coil winding groove 5 of the proposed example is formed as a flat surface which is perpendicular to the collar 1 and has no inclination, but the deflection used in the deflection yoke of the present embodiment. the bottom surface of the coil-winding groove 5 of bobbin coil is formed to line l 1, l 2 draw the same radius of curvature R 1, R 2 is curved, in this slope respective raised the raised than outside the inside To be done.

【0027】前記テーパ部曲面19に形成されるコイル巻
き溝5に多芯平行導線15を積層巻回すると、溝幅両端の
ラインl1 , l2 は約同一の曲率半径R1 ,R2 で描く
ラインで形成されているので、溝底面10は内側が外側よ
りも上げぞこ斜面となって、ラインl1 とラインl2
等しくなるため、第1層目の多芯平行導線15は、内側で
線の弛みがなく、線が浮き上がることなく、皺の発生が
防止され、溝底面10に密着して巻かれる。この第1層目
の多芯平行導線15上に第2層面、第3層目・・・・・第
n層目の多芯平行導線15を順次積層巻回して線に皺がな
く、層間に隙間のない密着した高密度に巻回された積層
コイルが形成される。
When the multifilamentary parallel conductor 15 is wound in layers around the coil winding groove 5 formed on the curved surface 19 of the taper portion, the lines l 1 and l 2 at both ends of the groove width have approximately the same radius of curvature R 1 and R 2 . Since the inner surface of the groove bottom surface 10 is a raised slope rather than the outer surface because the lines are drawn, and the line l 1 and the line l 2 are equal, the multi-core parallel conductor 15 of the first layer is There is no slack in the wire inside, the wire does not rise, wrinkles are prevented, and the wire is closely wound on the groove bottom surface 10. The second layer surface, the third layer, ... The n-th layer multi-core parallel conductor 15 are sequentially laminated and wound on the first-layer multi-core parallel conductor 15 so that there is no wrinkle in the line and A laminated coil wound closely with high density without gaps is formed.

【0028】第1の実施例によれば、ボビンのテーパ部
曲面に形成されるコイル巻き溝5の溝幅両端側のライン
1 ,l2 を約同一の曲率半径によって形成する構成と
したので、ラインl1 ,l2 は等しくなり、このコイル
巻き溝5に多芯平行導線15を積層巻回することにより、
捲線に皺の発生がなく、層間に隙間のないコイル分布が
良好な偏向コイルを形成することができ、この偏向コイ
ルを組み立てて、線積率が高く、高感度の偏向ヨークを
作製することができる。
According to the first embodiment, the lines l 1 and l 2 on both sides of the width of the coil winding groove 5 formed on the curved surface of the taper portion of the bobbin are formed with approximately the same radius of curvature. , The lines l 1 and l 2 become equal, and by winding the multi-core parallel conductor wire 15 in the coil winding groove 5 in layers,
It is possible to form a deflection coil in which winding does not have wrinkles and there is no gap between layers and which has a good coil distribution. By assembling this deflection coil, a deflection yoke having a high linear area factor and high sensitivity can be manufactured. it can.

【0029】また、多芯平行導線15のコイル層間に隙間
を生ずることなく多芯平行導線を高密度に巻くことがで
きるので、例えば、外から圧力が加わっても層間に隙間
がないため、積層コイルの形状に変化を生ずることがな
く、良好なコイル分布を保持することができる。
Further, since the multi-core parallel conductors can be wound at a high density without forming a gap between the coil layers of the multi-core parallel conductor 15, there is no gap between the layers even if pressure is applied from the outside. A good coil distribution can be maintained without changing the shape of the coil.

【0030】次に、第2の実施例の偏向ヨークについて
説明する。この偏向ヨークは第1の実施例と同様に、図
4の(b)に示されるようなくら型形状をしたボビンに
多芯平行導線を積層巻回して形成した偏向ヨークを備え
た偏向ヨークであって、ボビンの内周面には頭部側12と
ネック側13を結ぶ方向に多芯平行導線15を巻くコイル巻
き溝5が形成されている。そのコイル巻き溝5のうち、
ボビンのテーパ部曲面19には第1の実施例と同じ構成の
コイル巻き溝5が形成され、ストレート面18とテーパ部
曲面19との境界領域Eには図2に示されるように、溝分
岐部20から変曲して分岐するコイル巻き溝5Bの溝底面
が変曲の内側を外側よりも高くした上げぞこ斜面28、す
なわち、外側ライン側の密度の低い砂目で示した側の底
面から中央側に向かって密度の高い砂目で示した側にな
だらかに盛り上げ、さらに、中央側から網目で示した内
側にかけて高く盛り上げて内側が外側よりも高くした平
坦斜面のコイル巻き溝が形成されている。
Next, the deflection yoke of the second embodiment will be described. Similar to the first embodiment, this deflection yoke is a deflection yoke having a deflection yoke formed by laminating and winding a multi-core parallel conductor wire around a bobbin having a square shape as shown in FIG. 4B. Therefore, the coil winding groove 5 for winding the multi-core parallel conductor 15 in the direction connecting the head side 12 and the neck side 13 is formed on the inner peripheral surface of the bobbin. Of the coil winding groove 5,
A coil winding groove 5 having the same configuration as that of the first embodiment is formed on the taper portion curved surface 19 of the bobbin, and a groove branch is formed in a boundary region E between the straight surface 18 and the tapered portion curved surface 19 as shown in FIG. The groove bottom surface of the coil winding groove 5B which is bent from the portion 20 and branched is a raised groove slope 28 in which the inside of the bend is higher than the outside, that is, the bottom surface on the outer line side indicated by the low-density grain From the center to the center side, gently swelled to the side indicated by the high-density sand, and further, from the center side to the inside indicated by the mesh, the height was raised to form a coiled groove with a flat slope in which the inside was higher than the outside. ing.

【0031】つまり、内側ラインl4 の部分を上げぞこ
分だけ盛り上げて、内側ラインl4の部分と外側ライン
3 の部分の長さをほぼ等しくしている。上記構成のボ
ビンのコイル巻き溝に多芯平行導線15を積層巻回し、コ
イル巻き溝の全長に渡って多芯平行導線15に皺がなく、
層間に隙間のない偏向コイルを形成し、この偏向コイル
を組み立てて、線積率の高い高感度の第2の実施例の偏
向ヨークを作製する。
That is, the inner line l 4 portion is raised by a raised amount so that the inner line l 4 portion and the outer line l 3 portion have substantially the same length. The multi-core parallel conductor 15 is laminated and wound around the coil winding groove of the bobbin having the above configuration, and the multi-core parallel conductor 15 has no wrinkles over the entire length of the coil winding groove,
A deflection coil having no gap between layers is formed, and the deflection coil is assembled to manufacture a highly sensitive deflection yoke of the second embodiment having a high linear area ratio.

【0032】第2の実施例によれば、ボビンのテーパ部
曲面19に形成されるコイル巻き溝と溝分岐部20から変曲
して分岐するコイル巻き溝に多芯平行導線を積層巻回し
たときに、テーパ部曲面19に形成されるコイル巻き溝は
溝幅両端のラインl1 , l2は約同一の曲率半径で描か
れているため、内側の溝底面10は上げぞこ斜面となって
ラインl1 ,l2 が等しくなり、変曲して分岐するコイ
ル巻き溝5は溝底面の変曲の内側を外側よりも高くした
上げぞこ斜面28のため、線の浮きや皺の発生がコイル巻
き溝5の全長に渡ってなく、積層間に隙間を生ずること
のない偏向コイルを形成することができる。
According to the second embodiment, the multifilamentary parallel conductor wire is laminated and wound around the coil winding groove formed on the curved surface 19 of the taper portion of the bobbin and the coil winding groove that is bent and branched from the groove branching portion 20. At this time, in the coil winding groove formed on the tapered portion curved surface 19, the lines l 1 and l 2 at both ends of the groove width are drawn with substantially the same radius of curvature, so the inner groove bottom surface 10 is a raised slope. Since the lines l 1 and l 2 become equal, the coil winding groove 5 that bends and branches is a raised groove slope 28 in which the inside of the inflection of the bottom of the groove is higher than the outside, so that line floating and wrinkling occur. It is possible to form a deflection coil that does not extend over the entire length of the coil winding groove 5 and has no gap between the stacked layers.

【0033】本発明は、上記実施例に限定されることは
なく、様々な実施の態様を採り得る。例えば、第1の実
施例では、水平偏向コイル用のコイル巻き溝を対象に説
明したが、第1の実施例の偏向ヨークに用いる水平偏向
コイル用ボビンのコイル巻き溝の構成を垂直偏向コイル
のコイル巻き溝にも適用することができる。
The present invention is not limited to the above-mentioned embodiments, but can adopt various embodiments. For example, in the first embodiment, the coil winding groove for the horizontal deflection coil has been described as an object, but the configuration of the coil winding groove of the horizontal deflection coil bobbin used in the deflection yoke of the first embodiment is used for the vertical deflection coil. It can also be applied to coil winding grooves.

【0034】また、第2の実施例では、溝分岐部20で、
1本のストレート面18のコイル巻き溝から2本のテーパ
部曲面19のコイル巻き溝5A,5Bに分岐したが、3本
以上の複数本のコイル巻き溝に分岐してもよい。この場
合、変曲して分岐するコイル巻き溝の溝底面は変曲の内
側を外側よりも高くした上げぞこ斜面とする。
In the second embodiment, the groove branching portion 20 is
Although the coil winding groove of one straight surface 18 is branched into the coil winding grooves 5A and 5B of the two tapered curved surfaces 19, it may be branched into a plurality of coil winding grooves of three or more. In this case, the bottom of the coil winding groove that is bent and branched is a raised groove slope in which the inside of the bend is higher than the outside.

【0035】さらに、第2の実施例では、テーパ部曲面
19のコイル巻き溝5A,5Bの溝幅両端のラインl1
2 を約同一の曲率半径で描くラインで形成し、溝分岐
部20領域では、変曲して分岐するコイル巻き溝5Bの溝
底面を変曲の内側を外側よりも高くした上げぞこ斜面で
形成する構成としたが、テーパ部曲面19に形成されるコ
イル巻き溝5Aを提案例のコイル巻き溝の構成としても
よい。この場合、上記コイル巻き溝に多芯平行導線を積
層巻回したとき、変曲して分岐するコイル巻き溝5Bで
は、溝分岐部20領域において、多芯平行銅線に皺の発生
がなく、層間に隙間のない偏向コイルを形成することが
でき、提案例に比べて線積率や偏向感度の高い偏向ヨー
クを作製することができる。
Further, in the second embodiment, the curved surface of the taper portion is used.
19 coil winding grooves 5A and 5B, line l 1 at both ends of the groove width,
l 2 is formed by a line drawn with approximately the same radius of curvature, and in the groove branching portion 20 region, the groove bottom surface of the coil winding groove 5B that bends and branches is a raised slope where the inside of the bend is higher than the outside. Although the coil winding groove 5A formed on the curved surface 19 of the taper portion may be the coil winding groove of the proposed example. In this case, when the multifilamentary parallel conductor wire is laminated and wound around the coil winding groove, in the coil winding groove 5B that bends and branches, the multifilar parallel copper wire does not have wrinkles in the groove branching portion 20 region, It is possible to form a deflection coil having no gap between layers, and it is possible to manufacture a deflection yoke having a higher linear product ratio and higher deflection sensitivity than those of the proposed example.

【0036】また、テーパ部曲面19に形成するコイル巻
き溝の全ての溝を第1、第2の実施例で示した溝構成に
しなくてもよく、例えば、溝側面方向に曲がりの大きい
溝のみを曲げ率半径R1 と R2 の等しい上げぞこ底面
の溝構成としてもよい。
Further, not all of the coil winding grooves formed on the tapered portion curved surface 19 need to have the groove configurations shown in the first and second embodiments. For example, only the groove having a large bending in the groove side surface direction. May have a groove configuration on the bottom surface of the raised groove having the same bending rate radii R 1 and R 2 .

【0037】[0037]

【発明の効果】本発明はボビンのテーパ部曲面に形成さ
れるコイル巻き溝において、溝幅両端ラインを約同一の
曲率半径で描く構成としたので、溝底面の内側が外側よ
りも上げぞこ斜面となって溝幅両端ラインが等しくな
り、このコイル巻き溝に多芯平行導線を積層巻回するこ
とで、多芯平行導線に皺がなく、層間に隙間のない偏向
コイルを形成することができ、この偏向コイルを組み立
てることにより線積率が高く、偏向感度の高い偏向ヨー
クを形成することができる。
According to the present invention, in the coil winding groove formed on the curved surface of the taper portion of the bobbin, the groove width end lines are drawn with approximately the same radius of curvature, so that the inside of the groove bottom surface is raised above the outside. It becomes a slope and the lines at both ends of the groove width become equal. By laminating and winding multi-core parallel conductors in this coil winding groove, it is possible to form a deflection coil with no wrinkles in the multi-core parallel conductors and no gaps between layers. By assembling this deflection coil, it is possible to form a deflection yoke having a high linear area ratio and a high deflection sensitivity.

【0038】また、ボビンのストレート面とテーパ部曲
面の溝分岐部領域から変曲して分岐するコイル巻き溝の
溝底面の変曲の内側を外側よりも高くした上げぞこ斜面
とする構成にあっては、このコイル巻き溝に多芯平行導
線を積層巻回したときに、この変曲して分岐するコイル
巻き溝では、多芯平行導線に皺なく、層間に隙間のない
積層コイルを形成することができる。
In addition, the inside of the inflection of the groove bottom of the coil winding groove that is bent and branched from the groove branching region of the straight surface of the bobbin and the curved surface of the taper portion is a raised slope which is higher than the outside. When the multi-core parallel conductor wire is laminated and wound around this coil winding groove, the coil winding groove that bends and branches in this way forms a laminated coil with no wrinkles in the multi-core parallel conductor wire and no gap between layers. can do.

【図面の簡単な説明】[Brief description of drawings]

【図1】第1の実施例の偏向ヨークに用いる偏向コイル
用ボビンのコイル巻き溝の要部構成の説明図である。
FIG. 1 is an explanatory diagram of a main configuration of a coil winding groove of a deflection coil bobbin used in a deflection yoke according to a first embodiment.

【図2】第2の実施例の偏向ヨークに用いる偏向コイル
用ボビンのコイル巻き溝の要部構成の説明図である。
FIG. 2 is an explanatory diagram of a main part configuration of a coil winding groove of a deflection coil bobbin used in a deflection yoke according to a second embodiment.

【図3】陰極線管に偏向ヨークを装着した状態の説明図
である。
FIG. 3 is an explanatory diagram showing a state in which a deflection yoke is attached to the cathode ray tube.

【図4】提案例方式のくら型形状のボビンの説明図であ
る。
FIG. 4 is an explanatory diagram of a bobbin having a paddle shape of the proposed example method.

【図5】一般的な多芯平行導線の説明図である。FIG. 5 is an explanatory diagram of a general multicore parallel conductor wire.

【図6】従来の偏向コイルのコイル巻き状態の説明図で
ある。
FIG. 6 is an explanatory diagram of a coil winding state of a conventional deflection coil.

【図7】従来の偏向コイル用ボビンの一例の説明図であ
る。
FIG. 7 is an explanatory view of an example of a conventional deflection coil bobbin.

【図8】一般的な偏向ヨークの説明図である。FIG. 8 is an explanatory diagram of a general deflection yoke.

【符号の説明】[Explanation of symbols]

2 ボビン 5 コイル巻き溝 10 コイル巻き溝の底面 15 多芯平行導線 18 ストレート面 19 テーパ部曲面 20 溝分岐部 21 溝幅の中心 25 平面 28 上げぞこ斜面 2 Bobbin 5 Coil winding groove 10 Bottom of coil winding groove 15 Multi-core parallel conductor 18 Straight surface 19 Tapered portion curved surface 20 Groove branching portion 21 Groove width center 25 Plane 28 Raised slope

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 くら型形状をしたボビンに多芯平行導線
を巻いて形成した偏向コイルを備えた偏向ヨークであっ
て、前記ボビンの内周面はネック側におけるストレート
部のストレート面と、ストレート部から頭部端側に向か
って末広がりとなるテーパ部の曲面とを有し、このボビ
ン内周面に頭部側とネック側を結ぶ方向に多芯平行導線
のコイル巻き溝が形成され、前記テーパ部の曲面に形成
されるコイル巻き溝の溝幅中心を結ぶラインは溝中心曲
率半径によって描かれるラインによって形成され、この
テーパ部曲面のコイル巻き溝の溝幅両端のラインは前記
溝中心曲率半径と同一点を中心とした約同一の曲率半径
によって形成され、同コイル巻き溝の底面は溝幅両端の
曲率半径の先端を結ぶ平面によって形成されていること
を特徴とする偏向ヨーク。
1. A deflection yoke comprising a deflection coil formed by winding a multicore parallel conductor wire around a hook-shaped bobbin, the inner peripheral surface of the bobbin being a straight surface of a straight portion on the neck side and a straight surface. A curved surface of a taper portion that widens toward the head end side from the portion, and a coil winding groove of a multicore parallel conductor wire is formed on the inner peripheral surface of the bobbin in a direction connecting the head side and the neck side, The line connecting the groove width centers of the coil winding grooves formed on the curved surface of the tapered portion is formed by the line drawn by the radius of curvature of the groove center. It is formed with a radius of curvature about the same point as the radius, and the bottom surface of the coil winding groove is formed with a plane connecting the tips of the radius of curvature at both ends of the groove width. Ark.
【請求項2】 くら型形状をしたボビンに多芯平行導線
を巻いて形成した偏向コイルを備えた偏向ヨークであっ
て、前記ボビンの内周面はネック側におけるストレート
部のストレート面と、ストレート部から頭部端側に向か
って末広がりとなるテーパ部の曲面とを有し、このボビ
ン内周面に頭部側とネック側を結ぶ方向に多芯平行導線
のコイル巻き溝が形成され、このコイル巻き溝にはスト
レート面とテーパ曲面との境界領域で1本のストレート
面のコイル巻き溝から複数本のテーパ曲面のコイル巻き
溝に分岐する溝分岐部を有しており、この溝分岐部領域
のコイル巻き溝のうち、変曲して分岐するコイル巻き溝
の溝底面は変曲の内側を外側よりも高くした上げぞこ斜
面によって形成されていることを特徴とする偏向ヨー
ク。
2. A deflection yoke comprising a deflection coil formed by winding a multicore parallel conductor wire around a hook-shaped bobbin, the inner peripheral surface of the bobbin being a straight surface of a straight portion on the neck side and a straight surface. And a curved surface of a taper portion that widens toward the head end side from the portion, and a coil winding groove of a multicore parallel conductor wire is formed on the inner peripheral surface of the bobbin in a direction connecting the head side and the neck side. The coil winding groove has a groove branching portion for branching from one straight surface coil winding groove to a plurality of taper curved coil winding grooves in the boundary region between the straight surface and the tapered curved surface. A deflection yoke, wherein among the coil winding grooves in the region, the groove bottom surface of the coil winding groove which is bent and branched is formed by a raised groove slope in which the inside of the bending is higher than the outside.
JP2903794A 1994-01-31 1994-01-31 Deflection yoke Pending JPH07220654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2903794A JPH07220654A (en) 1994-01-31 1994-01-31 Deflection yoke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2903794A JPH07220654A (en) 1994-01-31 1994-01-31 Deflection yoke

Publications (1)

Publication Number Publication Date
JPH07220654A true JPH07220654A (en) 1995-08-18

Family

ID=12265212

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2903794A Pending JPH07220654A (en) 1994-01-31 1994-01-31 Deflection yoke

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