CN201153100Y

CN201153100Y - Deflection coil of color kinescope

Info

Publication number: CN201153100Y
Application number: CNU2008200281221U
Authority: CN
Inventors: 常鹏飞; 胡锋利; 田武社
Original assignee: XI'AN DAYU ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: XI'AN DAYU ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2008-01-16
Filing date: 2008-01-16
Publication date: 2008-11-19
Anticipated expiration: 2018-01-16

Abstract

The utility model relates to a deflecting coil used for the kinescope of a 21-inch pure-screen color TV. In order to reduce the volume, the structure of a horizontal coil is optimized, namely, the horizontal coil is divided into five groups of windings, wherein, the width between the bending centers of the first group of windings is 52-58 mm, and the distance between the bending center and the symmetrical surface is 42.6-46.6 mm; the width between the bending centers of the second groups of windings is 71-77 mm, and the distance between the bending center and the symmetrical surface is 35.3-39.3 mm; the width between the bending centers of the third groups of windings is 81.5-87.5 mm, and the distance between the bending center and the symmetrical surface is 29-34 mm; the width between the bending centers of the fourth groups of windings is 90.5-96.5 mm, and the distance between the bending center and the symmetrical surface is 22-26 mm; the width between the bending centers of the fifth groups of windings is 99.5-105.5 mm, and the distance between the bending center and the symmetrical surface is 9.3-13.3 mm; the height of the horizontal coil is 57-63 mm.

Description

The deflecting coil of color picture tube

Technical field

The utility model belongs to the COLOUR IMAGE VISUALIZATION OF HE technical field, specifically a kind of deflecting coil that is used for 21 inches pure screen color picture tubes.

Background technology

The basic structure of the deflecting coil of existing color picture tube all is made up of the vertical coil and the horizontal coil that are contained on the tubaeform isolator, and wherein horizontal coil is made up of the two halves of symmetry.Can produce magnetic field when the horizontal coil effect is work, can make the electron beam occurred level skew by wherein, form the scanning of horizontal direction.At present, " volume of the deflecting coil of PF (pure screen) picture tube coupling is bigger, and materials are more, and complex structure is assembled and adjusted relatively difficulty, and production efficiency is lower, and manufacturing cost is also higher with 21.

Summary of the invention

Problem to be solved in the utility model is: existing color picture tube deflecting coil is improved, provide a kind of volume the little deflecting coil that is used for 21 inches pure screen color picture tubes.

The technical scheme that addresses the above problem is: the color picture tube deflecting coil that is provided comprises vertical coil and the horizontal coil that is contained on the tubaeform isolator, said horizontal coil is made up of the two halves of symmetry, each that improvements of the present utility model are said horizontal coils half part is divided into five groups of coilings by the coiling bending at coil aperture place, every group of coiling has two coiling bendings, wherein the centre-to-centre spacing of first group two coiling crooked place is 52-58mm, the centre-to-centre spacing of two coiling crooked place of second group is 71-77mm, the centre-to-centre spacing of two coiling crooked place of the 3rd group is 81.5-87.5mm, the centre-to-centre spacing of two coiling crooked place of the 4th group is 90.5-96.5mm, and the centre-to-centre spacing of two coiling crooked place of the 5th group is 99.5-105.5mm; The center of first group of coiling crooked place is 42.6-46.6mm to the vertical range of the plane of symmetry, the center of second group of coiling crooked place is 35.3-39.3mm to the vertical range of the plane of symmetry, the center of the 3rd group of coiling crooked place is 29-34mm to the vertical range of the plane of symmetry, the center of the 4th group of coiling crooked place is 22-26mm to the vertical range of the plane of symmetry, and the center of the 5th group of coiling crooked place is 9.3-13.3mm to the vertical range of the plane of symmetry; The height of horizontal coil is 57-63mm.

The preferred version at above-mentioned each group coiling crooked place center is: the centre-to-centre spacing of two coiling crooked place of first group is 54-56mm, the centre-to-centre spacing of two coiling crooked place of second group is 73-75mm, the centre-to-centre spacing of two coiling crooked place of the 3rd group is 83.5-85.5mm, the centre-to-centre spacing of two coiling crooked place of the 4th group is 92.5-94.5mm, and the centre-to-centre spacing of two coiling crooked place of the 5th group is 101.5-103.5mm; The center of first group of coiling crooked place is 43.6-45.6mm to the vertical range of the plane of symmetry, the center of second group of coiling crooked place is 36.3-38.3mm to the vertical range of the plane of symmetry, the center of the 3rd group of coiling crooked place is 30-33mm to the vertical range of the plane of symmetry, the center of the 4th group of coiling crooked place is 23-25mm to the vertical range of the plane of symmetry, and the center of the 5th group of coiling crooked place is 10.3-12.3mm to the vertical range of the plane of symmetry;

The height of above-mentioned horizontal coil is preferably 59-61mm, and wherein the flange height of opening part is 4-8mm, and the flange height of neck is 3-7mm.

Compare with the existing deflecting coil that is used for 21 inches pure screen color picture tubes, the utility model is guaranteeing that the constant situation lower volume of original technical performance diminishes, weight saving, and corresponding production cost decreases, and production efficiency has obtained further raising.In addition, test shows that it is more convenient that the horizontal coil after the improvement makes convergence adjust.

Description of drawings

Fig. 1 is the upward view of the horizontal coil of the utility model deflecting coil.

Fig. 2 is the front view of the horizontal coil of the utility model deflecting coil.

Embodiment

Fig. 1, Fig. 2 and Fig. 3 have provided specific embodiment of the utility model.The horizontal coil of deflecting coil comprises two parts, and the symmetrical configuration of these two parts is promptly with respect to the plane of symmetry 1 symmetry.Horizontal coil 2 is divided into five groups by the coiling bending at coil aperture place, the centre-to-centre spacing b1 of two coiling crooked place of first group 21 is 54mm, the centre-to-centre spacing b2 of two coiling crooked place of second group 22 is 73mm, the centre-to-centre spacing b3 of two coiling crooked place of the 3rd group 23 is 83.5mm, the centre-to-centre spacing b4 of two coiling crooked place of the 4th group 24 is 92.5mm, and the centre-to-centre spacing b5 of two coiling crooked place of the 5th group 25 is 101.5mm; The center of first group of 21 coiling crooked place is 43.6mm to the vertical range a1 of the plane of symmetry 1, the center of the 2 22 group of coiling crooked place is 36.3mm to the vertical range a2 of the plane of symmetry 1, the center of the 3rd group of 23 coiling crooked place is 30mm to the vertical range a3 of the plane of symmetry 1, the center of the 4 24 group of coiling crooked place is 23mm to the vertical range a4 of the plane of symmetry 1, and the center of the 5th group of 25 coiling crooked place is 10.3mm to the vertical range a5 of the plane of symmetry 1.The height h of horizontal coil is 59mm, and wherein the height h1 of the flange 26 of opening part is 5mm, and the height h2 of the flange 27 of neck is 4mm.In order to regulate needs, the horizontal coil of above-mentioned each half part also comprises a small coil 3 for No. 2, and it is positioned at the centre of first group of 21 coiling.

The coiling of deflecting coil is finished on spooling equipment, it when the coiling horizontal coil crooked place of determining each group coiling with the alignment pin on the mould 4, so in fact the center of above-mentioned said coiling crooked place overlaps with the center that coiling the time is positioned at the alignment pin 4 of bending place.

Claims

1, a kind of color picture tube deflecting coil, comprise the vertical coil and the horizontal coil that are contained on the tubaeform isolator, said horizontal coil (2) is made up of the two halves of symmetry, each half part that it is characterized in that said horizontal coil is divided into five groups of coilings by the coiling bending at coil aperture place, every group of coiling has two coiling bendings, wherein the centre-to-centre spacing of two of first group (21) coiling crooked place is 52-58mm, the centre-to-centre spacing of two coiling crooked place of second group (22) is 71-77mm, the centre-to-centre spacing of two coiling crooked place of the 3rd group (23) is 81.5-87.5mm, the centre-to-centre spacing of two coiling crooked place of the 4th group (24) is 90.5-96.5mm, and the centre-to-centre spacing of two coiling crooked place of the 5th group (25) is 99.5-105.5mm; The center of first group (21) coiling crooked place is 42.6-46.6mm to the vertical range of the plane of symmetry (1), the center of second group (22) coiling crooked place is 35.3-39.3mm to the vertical range of the plane of symmetry (1), the center of the 3rd group (23) coiling crooked place is 29-34mm to the vertical range of the plane of symmetry (1), the center of the 4th group (24) coiling crooked place is 22-26mm to the vertical range of the plane of symmetry (1), and the center of the 5th group (25) coiling crooked place is 9.3-13.3mm to the vertical range of the plane of symmetry (1); The height h of horizontal coil is 57-63mm.

2, deflecting coil according to claim 1, the centre-to-centre spacing that it is characterized in that two coiling crooked place of said horizontal coil first group (21) is 54-56mm, the centre-to-centre spacing of two coiling crooked place of second group (22) is 73-75mm, the centre-to-centre spacing of two coiling crooked place of the 3rd group (23) is 83.5-85.5mm, the centre-to-centre spacing of two coiling crooked place of the 4th group (24) is 92.5-94.5mm, and the centre-to-centre spacing of two coiling crooked place of the 5th group (25) is 101.5-103.5mm; The center of first group (21) coiling crooked place is 43.6-45.6mm to the vertical range of the plane of symmetry (1), the center of second group (22) coiling crooked place is 36.3-38.3mm to the vertical range of the plane of symmetry (1), the center of the 3rd (23) group coiling crooked place is 30-33mm to the vertical range of the plane of symmetry (1), the center of the 4th group (24) coiling crooked place is 23-25mm to the vertical range of the plane of symmetry (1), and the center of the 5th group (25) coiling crooked place is 10.3-12.3mm to the vertical range of the plane of symmetry (1).

3, deflecting coil according to claim 1 and 2, the height that it is characterized in that said horizontal coil is 59-61mm, and wherein the flange of opening part (26) highly is 4-8mm, and the flange of neck (27) highly is 3-7mm.