JP3227862B2 - Transformer for high pressure generation - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-voltage generating transformer used in a television receiver or the like.

[0002]

2. Description of the Related Art In recent years, demand for display devices has increased, and a top-load focus volume and a high-voltage capacitor have been built into a high-voltage generating transformer device in order to increase the definition of the screen of the display device and to correct the distortion of the screen. Have been.

A conventional high-voltage generating transformer device will be described below with reference to FIG. In the figure, 1 is an outer case of a transformer for generating high voltage, 2 is a bobbin for winding for generating a high voltage, 3 is a parts holder, and 4 is a bobbin for winding which holds the parts holder 3. High voltage coil pin, 5 high voltage diode, 6 parts holder 3
A high voltage terminal 7 is connected to the high voltage terminal 6 and an anode voltage lead wire.

[0004] 8 is a top load focus volume,
9 is a high-voltage capacitor for correcting screen distortion, 10 is a lead for outputting a focus voltage, 11 is a lead for outputting a screen voltage, 12 is a volume case incorporating a top load focus volume 8 and a high-voltage capacitor 9, 13 is a terminal on the high voltage side of the top load focus volume 8, 14 is a lead wire connecting the terminal 13 on the high voltage side to the high voltage side of the high voltage capacitor 9, and 15 is a terminal 6 for the high voltage and the terminal on the high voltage side. It is a lead wire for electrically connecting the terminal 13. Reference numeral 16 denotes a fitting groove provided in the outer case 1 for fitting the volume case 12.

The operation of the high-voltage generating transformer device configured as described above will be described below. The winding is divided into winding bobbins 2 for generating a high voltage and wound, and the voltage generated by the winding is rectified by each high voltage diode 5 to a high voltage. This high voltage is sent to a high voltage terminal 6 provided on the parts holder 3, and the sent voltage is supplied as an anode voltage via a lead wire 7. The voltage of the terminal 6 for high voltage is supplied from the other lead 15 to the terminal 13 on the high voltage side of the top load focus volume 8, and the voltage of the terminal 13 is supplied by the lead 14 for performing screen distortion correction. It is supplied to the high voltage condenser 9.

[0006]

In the above-mentioned conventional configuration, wiring preparation work for incorporating the top load focus volume 8 and the high voltage capacitor 9 in the volume case 12 is required, and the parts holder is required. It was necessary to solder both ends of a lead wire 15 for electrically connecting between the high voltage terminal 6 provided on the terminal 3 and the high voltage terminal 13 of the top load focus volume 8. At that time, in the soldering operation, a connection failure due to the scattering of the solder, the soldering due to the temperature of the soldering, or the like was likely to occur. Further, a fitting groove 16 for fitting the volume case 12 to the outer case 1 of the transformer for generating a high voltage is necessary. Therefore, a mold for molding the outer case 1 becomes complicated. It is difficult to obtain accuracy, and when the volume case 12 is fitted to the outer case 1 and casting of epoxy resin or the like for insulation is performed, the epoxy resin easily leaks from the fitting portion, causing dirt and leakage failure. However, there is a problem that a sealant for preventing leakage is required and the number of steps is increased.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has been made in consideration of the above problems, and has the object of simplifying the work of preparing a top-load focus volume and wiring of a high-voltage capacitor and also preventing the leakage of epoxy resin. It is intended to provide a transformer device for use.

[0008]

To achieve this object, a high-voltage generating transformer device according to the present invention comprises: a guide rib provided inside an outer case of the high-voltage generating transformer;
A holder provided with a conductive rubber and a fixing rib provided on the holder, a connection wire connected to a coil for generating a high voltage and a high voltage diode for rectifying the voltage, a connection metal fitting on a high voltage side of the focus volume, and A high-voltage side lead wire of a capacitor, and the connection lead, the high-voltage side fitting of the focus volume, and the high-voltage side lead wire of the high-voltage capacitor are stabbed into the conductive rubber and electrically connected. A high-pressure generating transformer device.

[0009]

With this configuration, the lead wire and the soldering work are eliminated between the high voltage terminal of the parts holder and the high voltage terminal of the top load focus volume, and the electrical connection is made at a predetermined position. And the insulation distance is stabilized.

[0010]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a partial sectional view of a high-voltage generating transformer device according to an embodiment of the present invention, and FIG.
1 is a partial cross-sectional view of the high-voltage generating transformer device shown in FIG. In the figure, 17 is an outer case of a transformer for generating high voltage, 1
Reference numeral 8 denotes a laminated coil for generating a high voltage, reference numeral 19 denotes a parts holder, and reference numeral 20 denotes an anode voltage lead wire. Reference numeral 22 denotes a volume case accommodating the top load focus volume, 21 denotes a plate-shaped portion provided on the front surface of the volume case 22, and 23 denotes a connection metal fitting on the high voltage side of the top load focus volume.

Reference numeral 24 denotes a high-voltage capacitor, 25 denotes a lead wire on the high voltage side of the high-voltage capacitor 24, 26 denotes a high-voltage connection conductor, 27 denotes a conductive rubber, 28 denotes a holder for holding the conductive rubber 27, and 29 denotes a holder 28. Fixing rib, 3
Reference numeral 0 denotes a guide rib for guiding the fixing rib 29.

The configuration of the high-voltage generating transformer device has been described with reference to FIGS. 1 and 2, and the details and assembly of the components will be described with reference to FIGS. In FIG. 3, reference numeral 27 denotes a conductive rubber having an L-shape, and reference numeral 28 denotes a holder made of a synthetic resin molded product.
The conductive rubber 27 is inserted into and held in 8. In FIG.
Reference numeral 29 denotes a fixing rib for fixing the holder 28. The fixing rib 29 is provided on the opposite side of the holder 28 from which the conductive rubber 27 is inserted.

In FIG. 5, reference numeral 30 denotes a guide rib provided on the inner side of the outer case 17 of the high voltage generating transformer. The guide ribs 30 are for guiding the fixing ribs 29 of the holder 28 into which the conductive rubber 27 is inserted and mounted. In FIG. 6, reference numeral 19 denotes a parts holder on which a high-voltage diode 31, a protection resistor 32, and a connection lead 26 are mounted at predetermined positions. Further, the tip of the connection conductor 26 is inserted into the conductive rubber 27 to make it conductive.

FIGS. 7A to 7D are diagrams showing the configuration of the volume case 22 in this embodiment.
7A is a side view, FIG. 7B is a rear view, FIG. 7C is a front view, and FIG. 7D is a bottom view. As shown in the figure, the plate-shaped portion 21 is arranged on the front surface of the volume case 22, and knobs 40 and 41 penetrate. The connection fitting 23 projects from the back side and is bent in an L-shape.

In FIG. 7, reference numeral 33 denotes a deformation preventing rib provided on the plate portion 21, reference numeral 34 denotes a lead for outputting a focus voltage, reference numeral 35 denotes a lead for outputting a screen voltage, and reference numeral 36 denotes a lead for outputting a focus voltage. It is a clamper for the lead wire 34 and the lead wire 35 for outputting the screen voltage. Further, the tip of the connection metal 23 on the high voltage side is inserted into the conductive rubber 27 for mounting.

In FIG. 8, reference numeral 24 denotes a high-voltage capacitor, 2
5 is a lead wire on the high voltage side of the high voltage capacitor 24;
The lead wire 25 is inserted into the conductive rubber 27 and attached. The lead wire 25 is made of a stainless steel wire or the like that is strong in bending so that it can be easily inserted. Here, the thickness material of the lead wire is not specified, and is not limited as long as deformation such as bending is not easily caused. Since the positions of the lead wires 25 vary in the direction of the arrow 37, the conductive rubber 27 is L-shaped so as to absorb these variations.

In the high-voltage generating transformer device configured as described above, the high voltage supplied to the connection lead 26 of the parts holder 19 is sent to the conductive rubber 27 through the connection lead 26 stabbed into the conductive rubber 27. The conductive rubber 27 acts as a relay point between the connection fitting 23 of the top load focus volume inserted in the conductive rubber 27 and the lead wire 25 on the high voltage side of the high voltage capacitor 24. To the top load focus volume and the high voltage condenser 24.

[0018]

As described above, the present invention provides a coil and a high-voltage diode in a state in which a fixing rib of a holder having conductive rubber is mounted on a guide rib provided inside an outer case of a transformer for generating high voltage. Insert the parts holder with the parts etc. into the outer case and stab the connection conductor into the conductive rubber.In addition, insert the focus volume and high voltage capacitor into the outer case and stab the connection fittings and lead wires into the conductive rubber respectively. Since the connection is made electrically,
Eliminating high voltage lead wires inside the outer case and soldering work eliminates the need for electrical connection at a predetermined position and insulation distance for high voltage, eliminating defects due to soldering. it can.

Further, the outer case of the transformer for generating high voltage and the focus volume are fitted with a groove in the outer case, and the outer periphery of the front plate portion of the focus volume is inserted into the groove. According to this structure, the mold for molding the plate portion on the front surface of the outer case and the focus volume is simplified, and the groove of the outer case and the outer periphery of the plate portion on the front surface of the focus volume are simplified by the simplification. Since accuracy can be easily obtained, leakage of the epoxy resin during casting of the epoxy resin or the like for insulation can be prevented, and a sealant or the like is not required, so that a high-quality high-voltage generating transformer can be provided.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional view of a high-voltage generating transformer device according to an embodiment of the present invention as viewed from the front.

FIG. 2 is a partial cross-sectional view of the high-voltage generating transformer device according to the embodiment, as viewed from the side.

FIG. 3 is a perspective view showing a conductive rubber and a holder used for the high-voltage generating transformer device in the embodiment.

FIG. 4 is a perspective view showing ribs of a holder used in the transformer for generating high pressure in the embodiment.

FIG. 5 is a perspective view showing a rib of an outer case and a rib of a holder used in the high-voltage generating transformer device in the embodiment.

FIG. 6 is a front view showing a part holder used for the high-voltage generating transformer device in the embodiment.

7A is a side view of the focus volume according to the embodiment; FIG. 7B is a rear view of the focus volume according to the embodiment; FIG. 7C is a front view of the focus volume according to the embodiment; Bottom view

FIG. 8 is a front view showing a high-voltage capacitor used in the high-voltage generating transformer device in the embodiment.

FIG. 9 is a perspective view showing the internal configuration of a conventional high-voltage generating transformer device.

[Explanation of symbols]

 Reference Signs List 17 outer case 18 coil 19 parts holder 20 lead wire 21 plate portion 22 volume case 23 connection fitting 24 high voltage capacitor 25 lead wire 26 connection lead 27 conductive rubber 28 holder 29 fixing rib 30 guide rib 31 high voltage diode 32 protective resistance 33 Deformation prevention rib 34 Lead wire 35 Lead wire 36 Clamp 37 Arrow

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-249213 (JP, A) JP-A-3-241712 (JP, A) JP-A-2-40905 (JP, A) JP-A-3- 241713 (JP, A) JP-A-60-18904 (JP, A) JP-A-4-105516 (JP, U) JP-A-62-151709 (JP, U) JP-A-4-99812 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) H01N 3/195 H01F 19/04

Claims (2)

(57) [Claims] 1. An exterior case, a holder provided inside the exterior case and having a conductive rubber mounted therein, a coil for generating a high voltage, and a high voltage diode for rectifying a voltage generated in the coil. Connection lead, a high-voltage-side connection fitting of the focus volume, and a high-voltage-side lead wire of the high-voltage capacitor, and the connection lead and the high-voltage-side connection fitting of the focus volume and the high-voltage of the high-voltage capacitor. A high-voltage generating transformer device, wherein a lead wire of the transformer is inserted into the conductive rubber and electrically connected to the conductive rubber. 2. The high-voltage generating transformer device according to claim 1, wherein the high-voltage side lead wire of the high-voltage capacitor is a hard conductive wire.