TWI497539B - Ultra high power transformer - Google Patents

Description

Ultra high power transformer

The invention relates to a transformer structure, in particular to an ultra-high power transformer used in a large wattage (above 3000 watts).

Due to the rapid advancement of high-tech technology in recent years, especially in the field of microelectronics related technology, electronic related products have penetrated into every family and all walks of life, becoming an indispensable part of modern life. .

A transformer for driving a backlight unit of a liquid crystal display (LCD), the transformer has a coil base having a primary line region and a secondary line region, and a plurality of terminals are disposed at both ends thereof for connecting the windings Wire and solder to the board. Due to the continuous advancement of technology and the demand for high brightness of liquid crystal displays, some operators have increased the number of lamps used in backlight modules of liquid crystal displays, and the number of transformers used will increase. Not only does the LCD display become larger in size, but the relative weight also becomes heavier. Therefore, some operators will use a single transformer to drive multiple lamps. If the above mentioned transformer is used to drive multiple lamps, the voltage of the transformer must be increased to match its high power output; if so, a single transformer is used to drive In the case of multiple lamps, the primary coil and the secondary coil are wound on the same bobbin, so that the winding area of the primary coil is limited, so if the voltage output is increased according to the requirements of the transformer, the primary line area and the secondary line area The number of windings on the upper part must be increased, and the thickness of the transformer is further increased, and the overall volume is relatively increased.

Secondly, when the load power increases, the primary coil portion will have a significant temperature rise problem, which may cause the transformer to overheat. If the diameter of the primary side coil is thickened, the temperature rise problem can be solved slightly, but the thickness of the coil is increased, so that the thickness of the transformer is further increased; in addition, in the above-mentioned conventional transformer, if it is necessary to consider winding The problem of safety isolation between the primary coil and the secondary coil on the same bobbin is more difficult in the withstand voltage of the high voltage winding, which has a relatively adverse effect on the manufacturing and cost of the transformer parts. Therefore, how to solve the above problems has always been the solution and improvement of the industry that is urgently needed to be solved.

The main object of the present invention is to provide an ultra-high power transformer which is formed by stacking a plurality of thin copper sheets and different poles at different positions to replace the coils of the enameled wire to save space and The effect of eddy current loss.

The object of the present invention is to provide an ultra-high power transformer which is superposed on each other by a plurality of thin copper sheets to achieve the effect that the transformer can be used in a large wattage (3000 watts or more).

Another object of the present invention is to provide an ultra-high power transformer which is assembled by a plurality of thin copper sheets to achieve a more time-saving and process-saving effect.

It is still another object of the present invention to provide an ultra-high power transformer in which a perforation is provided by a pedestal to achieve rapid heat dissipation.

In order to achieve the above object, the present invention provides an ultra high power transformer comprising: a base, a plurality of sheets, and a plurality of barrier bodies; the base further comprising: a main core portion, a plurality of slots, and a plurality of One wing. The main core portion has a polygonal shape, and the two side joints form a first apex angle, the first apex angle has a circular arc shape with a first radius of curvature, and the main core portion further has a perforation. A perforation system runs through the main core. A plurality of slots are associated with the apex angle. a plurality of flank portions corresponding to the sides of the main core portion, and the side wing portions are spaced apart from a side of the main core portion, the side wing portions having a second apex angle adjacent to the slats, the The two apex angles have a circular arc shape with a second radius of curvature. Each of the bodies has an opening and a guiding groove, and the opening receives the main core, the guiding groove is located on one side of the opening, and is correspondingly slotted, and the two sides of the guiding groove respectively have a pole foot. A plurality of barrier bodies, the barrier system is a ring structure, and has a through hole for accommodating the main core portion, and the barrier body is located between the two sheets. Wherein, the plurality of sheets are placed on the main core portion in a staggered manner so that at least one guide groove is formed on each of the slots.

In order to facilitate a better understanding of other features and structures of the ultra high power transformer of the present invention, an embodiment will be described in detail later:

Please refer to FIG. 1 and FIG. 2 , which are schematic diagrams showing the three-dimensional structure decomposition and combination of the preferred embodiment of the ultra high power transformer of the present invention. The ultra high power transformer of the present invention comprises: a base 1, a plurality of sheets 2 and a plurality of barrier bodies 3.

The base 1 further includes a main core portion 11, a plurality of slots 12 and a plurality of side flap portions 13. The main core portion 11 has a polygonal shape. In the preferred embodiment of the present invention, the main core portion 11 has a square shape. Of course, the main core portion 11 may also be other such as a pentagon or a hexagon. The changes in form, etc., are familiar to those skilled in the art and can be implemented in accordance with the above description, and thus do not depart from the essence of the present invention, and do not depart from the spirit and scope of the present invention, and will not be further described herein. The two sides 111 of the main core portion 11 extend to form a first apex angle 112. The first apex angle 112 has a circular arc shape with a first radius of curvature r1. In the preferred embodiment of the present invention, The first radius of curvature r1 is between 1 mm and 5 mm. The main core portion 11 further has a through hole 113 extending through the main core portion 11, and the shape of the through hole 113 substantially corresponds to the shape of the main core portion 11, so that when the ultra high power transformer operates, the borrowing can be borrowed. The surface area of the heat dissipation is increased by the through hole 113 to achieve the effect of rapid heat dissipation. A plurality of slots 12 are associated with the apex angle 112. In the preferred embodiment of the present invention, the slots 12 are four such that the pedestal 1 forms an octagonal shape. A plurality of side flap portions 13 are corresponding to the side 111 of the main core portion 11, and the side flap portion 13 is spaced apart from the side 111 of the main core portion 11 by a distance s, and the side flap portion 13 is adjacent to the slot 12 The second apex angle 131 has a second arcuate shape with a second radius of curvature r2. In the preferred embodiment of the present invention, the second radii of curvature r2 is between 6 mm and 10 mm, to facilitate Increase the space of the slot 12.

In the preferred embodiment of the present invention, each of the sheets 2 is formed by stamping a copper sheet with a tin material. Each of the bodies 2 has an opening 21, a guiding groove 22 and a second leg 23 which accommodates the main core 11 and the piece 2 is located at the side wing 13 and the main core The sides 111 of 11 are spaced apart from each other by s. The guiding slot 22 is located on one side of the opening 21 and corresponding to the slot 12, and the two sides of the guiding slot 22 respectively have a pole 23, so that the two poles 23 are respectively disposed on two sides of the guiding slot 22, The pole leg 23 has a width w which can be adjusted according to different resistance requirements, and the pole leg 23 has a circular hole 24 for providing connection for different circuit layouts.

In the preferred embodiment of the present invention, when a plurality of sheets 2 are placed on the main core portion 11 in a staggered manner, since the barrier body 3 is an annular structure and has a through hole 31, the through hole 31 The main core portion 11 is disposed, and the barrier body 3 is located between the two sheets 2. The barrier body 3 is made of a non-conductive material, which prevents the two bodies 2 from being electrically connected and short-circuited. When a plurality of sheets 2 are interlaced on each other on the main core portion 11, there are corresponding at least one guide groove 22 on each of the slots 12 to provide connection for different circuit layouts. Therefore, a plurality of the sheets 2 are alternately stacked to replace the coils stranded by the enameled wire to save space and eddy current loss, and can be used in a high power transformer having a large wattage (3000 watts or more).

Therefore, the ultra-high power transformer of the present invention is indeed to overcome the lack of conventional technology, meet the needs of the industry and improve the industrial competitiveness. The object and effect of the invention are both profound and rich in implementation, and have great industrial use value, and are new inventions that have never been seen before on the market, fully complying with the novelty and progressive elements of the patent law, and are proposed according to law. Application.

1. . . Pedestal

11. . . Main core

111. . . side

112. . . First corner

113. . . perforation

12. . . Slotting

13. . . Flank

131. . . Second top angle

2. . . Sheet

twenty one. . . Opening

twenty two. . . Guide slot

twenty three. . . Extreme foot

twenty four. . . Round hole

3. . . Barrier

31. . . Through hole

s. . . spacing

R1. . . First radius of curvature

R2. . . Second radius of curvature

w. . . width

1 is a schematic exploded perspective view of a preferred embodiment of an ultra high power transformer of the present invention.

2 is a schematic view showing the three-dimensional structure combination of the preferred embodiment of the ultra high power transformer of the present invention.

1. . . Pedestal

11. . . Main core

111. . . side

113. . . perforation

13. . . Flank

2. . . Sheet

twenty two. . . Guide slot

twenty three. . . Extreme foot

twenty four. . . Round hole

3. . . Barrier

Claims (5)

An ultra-high power transformer includes: a pedestal, further comprising: a main core portion having a polygonal shape, the two-sided joint forming a first apex angle, the first apex angle having a a circular arc shape of a first radius of curvature, the main core portion further has a perforation, the perforation is through the main core portion; a plurality of slots are corresponding to the first vertex angle; a plurality of side flap portions, The first wing is corresponding to the side of the main core, and the side wing portion is spaced apart from the side of the main core portion, and the side wing portion has a second top angle adjacent to the slot, the second top portion The horn has a circular arc shape with a second radius of curvature; a plurality of sheets each having an opening and a guiding groove, the opening accommodating the main core, the guiding groove being located at the opening One side, and correspondingly slotted, the two sides of the guiding groove respectively have a pole; and a plurality of blocking bodies, the blocking system is an annular structure, and has a through hole, the through hole is received by the main core, The barrier body is located between the two sheets; and the plurality of sheets are interlaced with each other at the same The core portion, at least one of the corresponding guide grooves on each slot. The ultra high power transformer according to claim 1, wherein the sheet body is plated with a tin material outside the copper sheet. The ultra high power transformer of claim 1, wherein the shape of the perforation corresponds to the shape of the main core. The ultra high power transformer of claim 1, wherein the pole has a width. The ultra high power transformer of claim 1, wherein the pole has a circular hole.