KR100286802B1 - Anode cable connecting apparatus of fly back transformer - Google Patents

Abstract

PURPOSE: An anode cable connecting apparatus of a fly back transformer is provided to prevent the anode cable from dropped into a high voltage drawer, avoid leakage due to insulating resin, and improve work efficiency for connecting the anode cable. CONSTITUTION: An anode cable connecting apparatus of a fly back transformer comprises a guide shaft(6), an anode supporting shaft(12), and an elastic connecting piece(13). The guide shaft(6) has a hollow for supporting and fixing the anode cable(4) and is inserted into a high voltage drawer(2) of a fly back transformer case(1). A cable connecting part(7) is formed at the top of the guide shaft(6). The elastic connecting piece(13) is interjected into the cable connecting part(7) for fixing the anode supporting shaft(12) to the cable connecting part(7) of the guide shaft(6). The anode shaft(12) fixed to the anode cable(4) is attached to one end of the anode cable(4) to protrude a connecting lead(4') of the anode cable(4) outside.

Description

Anode Cable Coupling for Flyback Transformer

In the flyback transformer (hereinafter referred to as "FBT"), which is a high voltage generator for supplying high voltage to a CRT of a TV and a monitor, the anode cable of the anode split type FBT can be coupled to the high voltage lead-out of the FBT without flow. The present invention relates to an anode cable coupling device, which includes inserting a guide shaft having a hollow formed inside the high voltage lead-out of an FBT, and inserting an anode cable fixedly integrated with the anode support shaft in the guide shaft. By fixing, the anode cable coupling device of the FBT to be coupled in a solid state while preventing the flow of the anode cable installed in the high voltage lead-out portion of the FBT.

In general, the anode cable connected to the high voltage lead-out part of the FBT to deliver a high voltage to the CRT is connected to the output terminal of the high-voltage bobbin by interpolating one end of the anode cable to the high voltage lead-out part of the FBT. In this regard, high pressure leakage of the connection portion is severely generated. In particular, in order to prevent the occurrence of arc caused by flow of the anode cable from the high voltage lead-out portion or by the left and right rotation, the anode cable is placed in a rigid state. After fixing, the insulation state is maintained through the injection of epoxy resin.

In the coupling structure of the conventional FBT anode split type anode cable related to the above technique, as shown in FIG. ), And the guide protrusions 54 protrude from both sides of the high voltage lead-out unit 52 via the coupling protrusions 53 on one side thereof, and at the one end of the anode cable 55 coupled thereto. A coupling groove 56 is formed, and a cylindrical connector 58 in which guide grooves 57 are formed on both sides thereof is installed, and the connection groove 56 is installed above the high voltage lead-out portion.

As shown in FIG. 2, the conventional anode cable 55 having the coupling structure as described above is provided with the anode cable 55 in the cylindrical high voltage lead-out portion 52 installed at the upper side of the FBT case 51. At the time of coupling, the cylindrical connector 58 coupled to the middle portion of the anode cable 55 is coupled to cover the upper side of the high voltage lead-out unit 52. In this case, both sides of the high voltage lead-out unit 52 are guided. The protrusion 54 is inserted into the guide groove 57 of the connector 58 to prevent the flow of the connector, and the coupling protrusion 53 positioned between the guide protrusions 54 is the coupling groove 56 of the connector 58. Due to the elastic insertion and fixing therein, the anode cable 55 integrally coupled with the connector 58 is fixed in the high voltage lead-out unit 52.

However, the connector 58 coupled to the high voltage lead-out portion 52 of the FBT case 51 via the anode cable 55 has a precise internal diameter of the connector 58 coupled to the high voltage lead-out portion 52. If not processed by the dimensions, the assembly error is caused by the coupling error, workability and productivity is extremely reduced, in particular, the portion of the coupling groove 56 between the guide groove 57, which is the cutout of the connector 58 is a high voltage When elastically coupled with the engaging projection 53 of the lead portion 52, it is easy to fall off or breakage occurs, the flow of the anode cable occurs, as well as the epoxy for insulation of the high voltage lead-out portion 52 During molding of the resin, there are many problems such as leakage of the epoxy resin between the upper portion of the high voltage lead-out unit 52 and the coupling gap of the connector 58 coupled thereto.

SUMMARY OF THE INVENTION The present invention has been made to solve various problems of the related art as described above, and an object thereof is that an anode cable installed at a high voltage lead-out of an FBT is coupled to an anode support shaft and fixed to a high voltage lead-out of a FBT case. To be installed, the anode cable falls into the high voltage lead-out, or the flow is prevented to be coupled and secured in a solid state, as well as the anode support shaft is interposed between the high-voltage lead-out portion through the guide shaft, respectively, the insulating resin It is to provide an anode cable coupling device of FBT that can further improve the coupling workability of the anode cable while preventing the occurrence of leakage due to the injection of the anode.

1 is a perspective view illustrating a main portion of a conventional FBT high voltage lead-out portion and an anode cable connector coupled thereto;

Figure 2 is a cross-sectional structural view of the bonded state of FIG.

Figure 3 is an exploded perspective view of the guide shaft and the anode support shaft coupled to the high voltage lead-out portion of the FBT case according to the present invention.

4 is a cross-sectional structural view of the main portion of the coupling portion of the anode cable inserted into the high voltage lead-out portion of the FBT of the present invention.

Figure 5 is a perspective view of the main portion coupling state of the cable coupling portion of the present invention.

Explanation of symbols on the main parts of the drawings

1 ... FBT case 2 ... High voltage drawer

4.Anode cable 4 '... Connection lead wire

5 ... Hollow 6 ... Guide shaft

7 ... cable mating part 8 ... jamming step

9 ... inclined step 10 ... fixed groove

11 ... Jagged Jaw 12 ... Anode Support Shaft

13 ... Elastic mating piece 14 ... Inclined part

15 ... fixed jaw

As a technical configuration for achieving the above object, the present invention is inserted into the high-voltage lead-out portion of the FBT, the anode is formed in the hollow to support the fixing of the inside of the guide shaft, the upper side is formed with a guide shaft,

An anode support shaft inserted into the hollow of the guide shaft and integrally installed at one end of the anode cable to fix the anode cable, and the connecting lead wire of the anode cable protruding outward;

By providing an anode cable coupling device of the FBT characterized in that it comprises an elastic coupling piece of the anode support shaft coupled to the cable coupling portion of the guide shaft so that the cable and the anode support shaft of the guide shaft.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is an exploded perspective view of the guide shaft and the anode support shaft coupled to the high voltage lead-out portion of the FBT case according to the present invention, Figure 4 is a cross-sectional structural view of the main portion of the coupling portion of the anode cable inserted into the high voltage lead-out portion of the FBT of the present invention, And a cylindrical high voltage lead-out unit 2 is placed on the upper side of the FBT case 1 in which the low-voltage bobbin is built-in, and an anode cable 4 is inserted inside the high voltage lead-out unit 2 to pull out the high pressure of the bobbin. It is installed to connect pin and connection.

The high voltage lead-out part 2 of the FBT case 1 has a guide shaft 6 in which a hollow 5 is formed so that the anode cable 4 can be supported and fixed therein so as to be tightly inserted therein. In addition, the cable coupling portion 7 is formed above the guide shaft 6 so that the anode support shaft 12 is fixed.

The cable engaging portion 7 formed on the guide shaft 6 has a locking jaw 11 in which the fixing groove 10 is formed at both sides between the locking step jaw 8 and the inclined step jaw 9 on the upper side thereof. Is formed so that the elastic coupling piece 13 of the upper end of the anode support shaft 12 is installed to interpolate fixing.

In addition, the guide shaft 6 inserted into the high voltage lead-out unit 2 is formed to be inclined at an angle to the lower side is formed to be coupled by an interference fit on the high voltage lead-out unit (2).

In addition, the anode support shaft 12 inserted into the hollow 5 of the guide shaft 6 to which the anode cable 4 is fixed is integrally mounted to one end of the anode cable 4, and the anode cable 4 Is connected so as to protrude outward.

In addition, the upper side of the anode support shaft 12 is coupled to the cable coupling portion 7 of the guide shaft 6 so that the cable coupling portion 7 and the anode support shaft 12 of the guide shaft 6 are fixed. It consists of a configuration in which the elastic coupling piece 13 is installed.

In the figure, reference numeral 14 is an inclined portion formed on the elastic coupling piece 13 of the anode support shaft 12, and 15 is a fixed jaw.

Referring to the operation and effect of the present invention made of such a configuration as follows.

As shown in Figs. 3 to 5, in the state where the cylindrical high-voltage lead-out unit 2 is placed above the FBT case 1 in which high-voltage and low-pressure bobbins are built to generate a high voltage, the high-voltage lead-out unit Inside the (2), the anode cable 4 is interpolated so as to be connected to the bobbin's high-pressure pull-out pin, so that the high voltage generated inside the FBT is drawn out through the anode cable 4 into the CRT.

At this time, when firmly supporting and fixing the anode cable 4 inserted into the high voltage lead-out unit 2 of the FBT case 1, the hollow 5 inside the high voltage lead-out unit 2 is fixed. In the state in which the guide shaft (6) is formed closely inserted, the anode cable (4) is inserted into the hollow (5) of the guide shaft (6) again.

Accordingly, the insulating resin filled into the high voltage lead-out unit 2 is cured in a stable state without leaking to the outside, so that the insulation of the high voltage lead-out unit 2 can be effectively ensured.

The guide shaft 6, the cable coupling portion 7 is formed on the upper side of the anode support shaft 12, which is supported at one end of the anode cable (4) to be fixed, wherein the guide shaft 6 above As shown in FIG. 5, the cable coupling portion 7 is formed so that the fixing groove 10 is formed between the locking step jaw 8 and the inclined step 9 above it on the guide shaft 6. Since 11 is formed at both sides of the guide shaft, the anode support shaft 12 coupled thereto is elastically inserted into the elastic coupling piece 13 at the upper end thereof to fix the anode support shaft 12.

In addition, the guide shaft 6 inserted into the high voltage lead-out unit 2 is formed such that the inclined portion inclined at an angle to the lower side of the guide shaft 6 as shown in Figure 3, the high voltage lead-out unit 2 When inserted in, it is firmly inserted into the fit by the inclined portion is secured without falling out.

On the other hand, the anode support shaft 12 inserted into the hollow 5 of the guide shaft 6 to which the anode cable 4 is fixed is integrally installed at one end of the portion where the anode cable 4 is inserted. Since the connection lead wire 4 'of the anode cable 4 protrudes to the outside, the connection lead wire 4' is connected to the high-voltage lead-out pin of the bobbin via a conductive rubber (not shown) or the like.

At this time, the anode support shaft 12 coupled to the guide shaft 6, the elasticity of the anode support shaft 12 to the cable coupling portion 7 of the guide shaft 6 inserted into the high voltage lead-out portion (2) Coupling piece 13 is coupled to be fixed to, the elastic coupling piece 13 of the anode support shaft 12, the inclined portion 14 formed on the lower end of the inclined stepped portion 9 of the guide shaft 6 After being smoothly elastically cleared, the lower fixing jaw 15 of the elastic coupling piece 13 is caught in the fixing groove 10 of the guide shaft 6 to be fixed.

In this case, as shown in FIG. 5, the upper side T of the inclined stepped portion 9 formed on the cable coupling portion 7 of the guide shaft 7 and the elastic coupling piece 13 of the anode support shaft 12 are formed. The distance t between the lower fixing jaws 15 is equal to the elastic coupling piece 13 so as to be firmly coupled to the inclined end jaw 9 of the cable coupling part 7 so that the flow of the anode cable 4 flows. To prevent this.

According to the anode cable coupling device of the FBT according to the present invention as described above, the anode cable which is inserted into the high voltage lead-out portion of the FBT case is connected to the high voltage lead-out portion of the FBT case in a state of being molded and fixed to the anode support shaft The anode cable is pulled out or fixed to the high voltage lead-out unit in a rigid state while preventing flow, and the anode support shafts are interpolated and fixed to each other through a separate guide shaft to the inside of the high voltage lead-out unit, so that the gap between the high voltage lead-out unit is upper. There is no occurrence at all, thereby preventing the occurrence of leakage due to the injection of the insulating resin, while improving the workability of the anode cable coupling, and effectively secures the insulation of the anode cable coupling portion with high voltage is drawn to improve the reliability of the product It has an excellent effect.

Claims (1)

A cylindrical high voltage lead-out unit 2 is placed on the upper side of the FBT case 1 in which the high-pressure and low-pressure bobbins are embedded, and an anode cable 4 is inserted into the high voltage lead-out unit 2 to fix the anode. An anode support shaft 12 is installed so as to be integrally installed at one end of the cable, and the connection lead wire 4 'of the anode cable 4 protrudes to the outside, and an elastic coupling piece is formed on the anode support shaft 12. 13) is provided in the anode cable coupling portion of the FBT to be fixed to the high voltage lead-out unit 2, is inserted into the high voltage lead-out unit (2) of the FBT case (1) to support the anode cable therein On the upper side of the guide shaft (6) where the hollow (5) is formed, the locking step (11) is formed on both sides between the locking step (8) and the upper step of the inclined step (9). The elastic coupling piece 13 of the upper end of the anode support shaft 12 is to be interpolated and fixed. The anode shaft coupling device of the FBT, characterized in that the inclined portion inclined at an angle to the lower side is formed to be coupled on the high voltage lead-out portion (2) by interference fit.