KR20060089418A - Deflection york having an easy insertion of a plurality of compensation bobbins - Google Patents

Abstract

The deflection yoke of the present invention includes a coil separator 110, a rear cover 170 coupled to the coil separator 110, a first beam information bin 30 for correcting horizontal misconvergence, and a second for correcting vertical misconvergence. It is formed to have a common insertion hole on the side of the bobbin information bin 40, the rear cover 170, and the first bobbin insertion section 210 and the second bobbin information bin 40, into which the first bobbin information bin 30 is inserted, are inserted. It includes a bobbin insertion unit 200 having a second bobbin insertion unit 220 to be. In addition, the first bobbin insertion unit 210 and the second bobbin insertion unit 220 are separated by the guide partition 212, the guide partition 212 has an elastic force and extends from the inner wall of the bobbin insertion unit 200. Is formed. In addition, the guide partition 212 includes a first vertical portion 212a, a first horizontal portion 212b, a second vertical portion 212c and a second horizontal portion 212d, and includes a first vertical portion 212a. The starting end is inclined to guide the second beam information bin 40, and the first horizontal portion 212b is formed to be inclined at the start end to guide the first beam information bin 30.

Deflection yoke, horizontal deflection coil, vertical deflection coil, rear cover, beam information bin, compensating iron piece, compensating magnet, guide bulkhead

Description

Deflection york having an easy insertion of a plurality of compensation bobbins}

1 is a schematic side view of a deflection yoke for easy insertion of multiple bobbins in accordance with a preferred embodiment of the present invention;

FIG. 2 is a schematic partial perspective view of the bobbin information insert portion formed in the rear cover of FIG. 1; FIG.

3 is a front view showing an insertion tolerance region of the bobbin information bin insertion portion of FIG. 2;

4 is a schematic side view of a deflection yoke in which a plurality of bow information bins of the prior art are inserted;

5 is a front view showing the bobbin information insertion part and the insertion tolerance area formed in the rear cover of FIG. 4;

6 is a schematic perspective view of a first beam information bin mounted to a deflection yoke of the present invention and the prior art; And

7 is a schematic perspective view of a second beam information bin mounted to a deflection yoke of the present invention and the prior art.

<Explanation of symbols for main parts of drawing>

100: deflection yoke 110: coil separator

111: screen portion 112: neck portion

120: horizontal deflection coil 130: vertical deflection coil

140: ferrite core 150: terminal board

160: front cover 170: rear cover

200: the information information inserting section 210: the first information information inserting section

212, 221: side wall 212: guide partition

212a, 212b, 212c, and 212d: first vertical portion, first horizontal portion, second vertical portion, and second horizontal portion

220: second report information bean insertion unit

The present invention relates to a deflection yoke, and more particularly, to a deflection yoke capable of easily inserting and mounting a plurality of beam information bins to a rear cover for correcting horizontal / vertical misconvergence of a deflection coil.

Deflection yoke is a device for deflecting electron beams emitted from an electron gun two-dimensionally on an image plane to reproduce electric signals transmitted in time series on a cathode ray tube of a television or monitor. Saddle-Saddle Type, Saddle-Toroidal Type, and Trojan-Toroidal Type.

As shown in FIGS. 4 and 5, the deflection yoke 10 includes a coil separator 11, a horizontal deflection coil 12, a vertical deflection coil 13, a ferrite core 14, a terminal substrate 15, and the like. It is configured.

The coil separator 11 insulates the horizontal deflection coil 12 and the vertical deflection coil 13 and sets the positions of the coils 12 and 13 at the same time. The screen unit 11a is located on the screen side of the cathode ray tube. ) And a neck portion 11b positioned at the electron gun side of the cathode ray tube, and the screen portion 11a and the neck portion 11b are integrally connected by a fallopian tube-shaped connecting portion 11c.

The horizontal deflection coil 12 is provided inside the coil separator 11 and forms a horizontal magnetic field by a power source applied from the outside.

The vertical deflection coil 13 is provided outside the coil separator 11 and forms a vertical magnetic field by a power source applied from the outside.

The ferrite core 14 is coupled to the coil separator 11 to surround the outside of the vertical deflection coil 13 to reinforce the vertical magnetic field of the vertical deflection coil 13.

The terminal board 15 is coupled to an upper side of the front cover 16 and the rear cover 17 formed on the screen portion 11a and the neck portion 11b of the coil separator 11, respectively.

A bobbin inserting portion 20 is formed on the side of the rear cover 17, and the bobbin inserting portion 20 includes a first bobbin inserting portion 21 and a second bobbin inserting portion 22.

The first bobbin insert 21 has a relatively narrow and long shape, the first bobbin information bin 30 of FIG. 6 is inserted, and the second bobbin insert 22 has a relatively wide and short length. The second report information bin 40 of FIG. 7 is inserted.

The first beam information bin 30 is for correcting horizontal misconvergence by absorbing the magnetic field generated by the horizontal deflection coil 12 and changing the magnetic field shape. As shown in FIG. It consists of a long plate shape, the fork-shaped guide part 31 and the grip part 32 which an operator grips, and the correction part 33 is attached to the guide part 31. As shown in FIG.

The second beam information bin 22 is used to correct the vertical misconvergence by changing the magnetic field by absorbing the magnetic field generated in the vertical coils by adhering close to the vertical coils, as shown in FIG. 7. In a thick and short shape, the main body portion 41 and the grip portion 42 are formed, and a correction magnet 43 is attached to the main body portion 41.

However, the above-described deflection yoke 10 of the prior art separates the insertion holes of the first bobbin inserting portion 21 and the second bobbin inserting portion 22 for inserting and mounting the bobbin information bins 30 and 40, and corrects each angle. The size of the bobbins 30 and 40 is substantially matched. Accordingly, since the insertion tolerance areas 21a and 22a used to insert the beam information bins 30 and 40 are narrow, as indicated by the dotted lines in FIG. Particular attention must be paid to the correct insertion of the parts, which takes a long time.

The present invention has been made to solve the above-mentioned problems of the prior art, and an object of the present invention is to facilitate the formation of a plurality of bobbins at the bobbin insertion portion of the rear cover by forming a bobbin insertion portion having a larger insertion tolerance area than the corresponding bobbin information. It is to provide a deflection yoke that can be accurately inserted and mounted.

In order to achieve the object of the present invention described above, the present invention provides a coil separator, a rear cover coupled to the coil separator, a first correction bobbin for correcting horizontal misconvergence, and a first mismatch with a first boin information bin. A bobbin having a second bobbin for correcting the pressure and a second bobbin insert formed on the side of the rear cover and having a first bobbin insert into which the first bobbin is inserted and a second bobbin insert into which the second bobbin is inserted; And a first bobbin inserting portion and a second bobbin inserting portion, each side being separated by a guide partition for guiding the insertion of the first bobbin and the other side for guiding the insertion of the second bobbin. Provides a deflection yoke for easy insertion of the beam information bin.

In the deflection yoke of the present invention, the guide partition wall may have an elastic force and extend from the inner wall of the bobbin insert.

In addition, the guide bulkhead includes a first vertical portion, a first horizontal portion, a second vertical portion, and a second horizontal portion, wherein the first vertical portion is formed to be inclined at an end to guide the second beam information bin, and the first horizontal portion is In order to guide the first beam information bin, the start end may be formed to be inclined, the first beam information bin may be formed to contact the second vertical portion, and the second beam information bin may be in contact with the second horizontal portion.

In addition, the bobbin insertion portion may be formed to face each other on both sides of the rear cover.

In addition, an elastic support protrusion for elastically supporting the second bobbin information bin may be formed on the inner wall of the bobbin insertion portion facing the guide partition wall.

Hereinafter, a deflection yoke for easily inserting a plurality of beam information bins according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the deflection yoke 100 includes a coil separator 110, a horizontal deflection coil 120, a vertical deflection coil 130, a ferrite core 140, and a terminal substrate 150.

The coil separator 110 insulates the horizontal deflection coil 120 and the vertical deflection coil 130 and sets the positions of the coils 120 and 130 at the same time. The screen unit 111 located on the screen side of the cathode ray tube and The neck portion 112 is located on the electron gun side of the cathode ray tube, and the screen portion 111 and the neck portion 112 are integrally connected by a trumpet tube-shaped connecting portion 113.

The horizontal deflection coil 120 is for forming a horizontal magnetic field by a power source applied from the outside, and is provided inside the coil separator 110.

The vertical deflection coil 130 is for forming a vertical magnetic field by a power source applied from the outside, and is provided outside the coil separator 110.

The ferrite core 140 is for reinforcing the vertical magnetic field of the vertical deflection coil 130 and is coupled to the coil separator 110 to surround the outside of the vertical deflection coil 130.

The terminal board 150 connected to the horizontal deflection coil 120 and the vertical deflection coil 130 may include a front cover 160 and a rear part formed on the screen part 111 and the neck part 112 of the coil separator 110, respectively. It is coupled to the upper side of the cover 170.

The rear cover 170 has a bobbin for correcting horizontal misconvergence and / or vertical misconvergence by changing a magnetic field shape generated from the horizontal deflection coil 120 and / or the vertical deflection coil 130 on one side or both sides thereof. The bobbin insertion unit 200 is inserted into and formed.

As shown in detail in Figures 2 and 3, the bobbin inserting portion 200 is a hollow rectangular block type with both sides open, one side is formed to face the outside and the other side toward the center of the coil separator 110. .

The bobbin insertion unit 200 has one insertion hole and is divided into a first bobbin insertion unit 210 and a second bobbin insertion unit 220. The first bobbin insertion unit 210 is defined by the side wall 211 and the guide partition 212, and the second bobbin insertion unit 220 is defined by the guide partition 212 and the side wall 221. In addition, the side wall 221 forms a close protrusion 222 for fixing the second beam information bin (40 in Fig. 7) in close contact therewith.

The guide partition 212 may include the first bobbin insert 210 or the first bobbin information bin (30 of FIG. 6) or the second bobbin information bin (40 of FIG. 7) inserted into the bobbin insertion unit 200. It is for precisely guiding the two bobbin information bin insertion unit 220, and is formed to extend from the upper and lower side walls 231 and 241 of the bobbin insertion unit 200 to the center.

In addition, the guide partition 212 has a predetermined elastic force, and has a first vertical portion 212a, a first horizontal portion 212b, a second vertical portion 212c, and a second horizontal portion 212d.

The first vertical portion 212a is formed integrally with the upper and lower side walls 231 and 241 of the bobbin insertion portion 200, and is formed to be inclined at the starting end contacting the bobbin information bins 30 and 40.

The first horizontal portion 212b is formed to be bent toward the side wall 211 on the first vertical portion 212a, and forms a starting end in contact with the beam information bins 30 and 40 inclined.

The second vertical portion 212c is formed to be bent to the center of the insertion portion 200 in the first horizontal portion 212b, and the second vertical portion 212c is preferably parallel to the side walls 211 and 221.

The second horizontal portion 212d is formed to be bent toward the side wall 221 in the second vertical portion 212c.

Next, a process of inserting the first bobbin information bin 30 and the second bobbin information bin 40 into the bobbin insertion unit 200 having the above-described configuration will be described.

As described in the related art with reference to FIG. 6, the first beam information bin 30 corrects horizontal misconvergence by absorbing the magnetic field generated by the horizontal deflection coil 120 and changing the magnetic field shape. . Further, the first beam information bin 30 has a thin and long shape, and has a fork-shaped guide portion 31 and a gripping portion 32 held by an operator. In addition, a correction iron piece 33 is attached to the guide part 31, and a recess 34 is provided between the guide parts 31.

As described in the related art with reference to FIG. 7, the second beam information bin 40 is bonded to the vertical deflection coil 130 so that the magnetic field generated by the vertical deflection coil 130 is absorbed by the magnet 43. The vertical misconvergence is corrected by changing the shape. In addition, the second beam information bin 40 has a thick and short shape, has a main body portion 41 and a grip portion 42, and a correction magnet 43 is attached to the main body portion 41.

When the first bobbin information bin 30 is inserted into the bobbin insertion section 200, the first bobbin information bin 30 is inserted into the insertion port of the bobbin insertion section 200. In this case, the guide bar of the first bobbin information bin 30 is used. 31 is first inserted into the insertion hole.

When the first bobbin information bin 30 is correctly inserted into the first bobbin insertion unit 210, the guide bar 31 of the first bobbin information bin 30 does not have any contact with the guide partition 212 and the first The bobbin information bin 30 is directly inserted into the first bobbin insertion section 210. In the inserted state, both surfaces of the first beam information bin 30 are in close contact with the second vertical portion 212c and the side wall 211 of the guide partition 212.

On the other hand, when the first bobbin information bin 30 is not correctly inserted into the first bobbin insertion unit 210, the guide bar 31 of the first bobbin information bin 30 is a guide partition 212, more specifically, the first In contact with the vertical portion 212a or the first horizontal portion 212b.

When the guide bar 31 of the first beam information bin 30 is in contact with the first horizontal portion 212b, the first horizontal portion 212b is positioned between the guide bars 31 and the first beam information bin ( 30 further progresses, the concave portion 34 formed between the guide bar 31 is in contact with the first horizontal portion 212b, the concave portion 34 along the inclined surface of the first horizontal portion 212b. Will proceed. Accordingly, the first bobbin information bin 30 is accurately guided and inserted into the first bobbin insertion part 210 by the first horizontal part 212b of the guide partition 212.

On the contrary, when the guide bar 31 of the first beam information bin 30 is in contact with the first vertical portion 212a, the first beam information bin 30 may not be inserted any more and the worker may not insert the first beam information bin. After removing (30), insert again.

Therefore, in any of the above-described cases, there is no risk of incorrectly inserting the first supplementary information bin 30 into the second correction insertion section 220 due to the carelessness of the operator, and for this reason, the first supplementary information bin as shown in FIG. 3. The insertion tolerance area 210a for inserting 30 is considerably wider than in the prior art.

When the second bobbin information bin 40 is inserted into the bobbin insertion unit 200, the second bobbin information bin 40 is inserted into the insertion port of the bobbin insertion unit 200, and at this time, the main body of the second bobbin information bin 40 is inserted. 41 is first inserted into the insertion hole.

When the second beam information bin 40 is correctly inserted into the second bobbin insertion part 220, the main body part 41 of the second beam information bin 40 does not generate any contact with the guide partition 212, and the second The bobbin information bin 40 is directly inserted into the second bobbin insertion section 220. In the inserted state, both surfaces of the second beam information bin 40 are in close contact with the contact protrusion 222 formed on the side wall 221 and the second horizontal portion 212d of the guide partition wall 212.

On the other hand, when the second bobbin information bin 40 is not correctly inserted into the second bobbin insertion section 220, the main body portion 41 of the second bobbin information bin 40 is the guide partition 212, more specifically, the first In contact with the vertical portion 212a, the first horizontal portion 212b, the second vertical portion 212c, or the second horizontal portion 212d.

When the second bobbin information is in contact with the first vertical portion (212a), the second bobbin information (40) is guided along the inclined surface of the first vertical portion (212a) to the second bobbin insertion portion 220 It is inserted correctly.

On the contrary, when the second bobbin information bin 40 is in contact with the first horizontal part 212b, the second bobbin information bin 40 is arranged along the inclined surface of the first horizontal part 212b. You are guided to. However, the width of the guide bobbin 212, more specifically, the first bobbin insertion portion 210 defined by the second vertical portion 212c and the side wall 211 is larger than the thickness of the second bobbin information 40. Because of the small size, the second beam information bin 40 is not inserted into the first bobbin inserting portion 210 and the operator removes the second beam information bin 40 and inserts it again.

Therefore, in any of the above-described cases, there is no risk of incorrectly inserting the second supplementary information bin 40 into the first correction insertion unit 210 due to the carelessness of the operator, and as shown in FIG. 3, the second supplementary information bin 40. The insertion tolerance region 220a for inserting the c) becomes considerably wider than in the prior art.

The deflection yoke described above has been described with reference to a preferred embodiment of the present invention, which is easy to insert a plurality of bobbins, but modifications, changes, and various modifications can be made without departing from the spirit of the present invention. It is obvious to those skilled in the art.

According to the deflection yoke of the present invention, since the first and second bobbin information bins are inserted through one common insertion port and guided by the guide partition wall separating the first bobbin insertion section and the second bobbin insertion section, they are guided to the corresponding insertion section. The insertion tolerance area for inserting the beam information bin is considerably wider than in the prior art.

In addition, as the insertion tolerance area for inserting the beam information bin becomes wider, the time required for detaching and attaching the beam information bin to the rear cover can be reduced, thereby increasing the yield.

In addition, the guide partition wall is formed on the upper and lower inner walls of the bobbin insertion unit so as to have an elastic force, and each surface of the first bobbin information bin and the second bobbin information bin is elastically supported by the guide partition wall, which is applied to the rear cover, more specifically, the bobbin insertion section. The influence of external force can be greatly reduced.

Claims (5)

Coil separator; A rear cover coupled to the coil separator; A first beam information bin for correcting horizontal misconvergence; A second beam information bin smaller in size than the first beam information bin and configured to correct vertical misconvergence; And It is formed to have a common insertion port on the side of the rear cover and includes a bobbin insertion unit having a first bobbin insertion unit into which the first bobbin information bin is inserted and a second bobbin insertion unit into which the second bobbin information bin is inserted, The first bobbin insertion unit and the second bobbin insertion unit have a plurality of corrections, characterized in that separated by a guide partition for guiding the insertion of the first bobbin and the other side guide the insertion of the second bobbin. Deflection yoke for easy insertion of bobbins. The deflection yoke of claim 1, wherein the guide partition wall has an elastic force and extends from an inner wall of the bobbin insert. The guide barrier of claim 1, wherein the guide partition includes a first vertical portion, a first horizontal portion, a second vertical portion, and a second horizontal portion, and the first vertical portion is inclined at a starting end to guide the second beam information bin. The first horizontal portion is formed to be inclined to guide the first beam information bin, the first beam information bin is in contact with the second vertical portion and the second beam information bin is in contact with the second horizontal portion. Deflection yoke characterized in that. The deflection yoke of claim 1, wherein the bobbin insertion portions are formed to face each other on both sides of the rear cover. The deflection yoke of claim 1, wherein an elastic support protrusion for elastically supporting the second bobbin information bin is formed on an inner side wall of the bobbin insertion unit facing the guide partition wall.

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