TWI434304B - Modular high power transformer - Google Patents

Description

Building block combined high power transformer

The present invention relates to a transformer structure, and more particularly to a modular modular high power transformer formed by using a modular combination principle to form a large wattage (3000 watts or more).

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. Another high-power transformer needs to make a large iron core body, and it needs to be made by a large-scale die-casting machine. The production cost is relatively expensive. Therefore, how to solve the above problems has always been a solution and improvement that the industry is eager to seek.

The main object of the present invention is to provide a modular high-power transformer for building blocks, which is formed by pressing a single small iron core structure and forming a large iron core structure by building blocks to reduce the cost of manufacturing a large iron core structure. .

A second object of the present invention is to provide a modular high-power transformer in which a plurality of thin copper sheets are superposed on each other, and the pole legs are respectively located at different positions, instead of the coils stranded by the enameled wire, to achieve Space saving and eddy current loss.

Another object of the present invention is to provide a modular high-power transformer that combines a plurality of thin copper sheets to each other to achieve the effect that the transformer can be used in a large wattage (3000 watts or more).

Still another object of the present invention is to provide a modular high-power transformer that combines a plurality of thin copper sheets to each other to achieve a more time-saving and process-saving effect.

Another object of the present invention is to provide a modular high-power transformer which is formed by forming a large iron core structure with a combination of building blocks to form a perforation to achieve rapid heat dissipation of the transformer.

In order to achieve the above object, the present invention provides a modular high-power transformer, comprising: a first core body having a polygonal shape having at least one first chute at each end, and having two sides respectively a first side wing portion, the two ends of the first side wing portion are arc-shaped having a first radius of curvature, and a first slot is formed between the first side wing portions. a second core body having a polygonal shape with at least one second chute at each of the two ends, each of which has a second side wing portion on both sides, and the second side wing portion has a second curvature at both ends a circular arc shape of the radius, a second slot is formed between the second side wing portions, and the second chute is abutted against the first chute groove, so that the first and second iron core bodies form a turning point. The joint structure is connected by a plurality of sets of first and second iron core bodies, and can form an annular arrangement. Each of the sheets has an opening and a guiding groove. The piece is located in the first slot and the second slot, and the opening receives the first wing portion and the second wing portion. The guiding groove is located on one side of the opening, and the two sides of the guiding groove respectively have a pole. The barrier system has an annular structure and has a through hole which is oppositely opened and accommodates the first side wing portion and the second side wing portion, and the barrier body is located between the two sheets.

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

Please refer to FIG. 1 , which is a schematic perspective view of a preferred embodiment of a single core body according to the present invention. The core body 1 of the present invention has a polygonal shape. In a preferred embodiment of the present invention, the core body 1 is formed in an octagonal shape and is pressed by a conductive material. The two sides of the core body 1 respectively have a side wing portion 11 . The two ends of the side wing portion 11 have a circular arc shape with a radius of curvature r1 , and a slot 12 is formed between the side wing portions 11 . The face is at a height h from the top surface of the side wing portion 11. The two ends of the core body 1 respectively have at least one chute 13 .

Since the modular high-power transformer of the present invention is formed by combining a plurality of the above-mentioned core bodies 1 in different numbers, most of the following components are the same as the foregoing embodiments, and the following core body is convenient for the specification. 1 is the same as the foregoing embodiment, but the first core body and the second core body are separated, and an English letter is added after the original number to distinguish them. Please refer to FIG. 2A and FIG. 2B , which are schematic diagrams showing the three-dimensional structure decomposition and combination of the first preferred embodiment of the modular modular high power transformer of the present invention. The modular high-power transformer of the preferred embodiment is composed of two iron cores 1 , and the modular high-power transformer includes: a first core body 1a and a second core body 1b. , a plurality of sheets 2 and a plurality of barrier bodies 3 . The first core body 1a has a polygonal shape, and has a first side wing portion 11a on each of the two sides, and the two ends of the first side wing portion 11a have a circular arc shape having the radius of curvature r1. A first slit 12a is formed between the side flap portions 11a. The second core body 1b has a polygonal shape, and has a second side wing portion 11b on each side, and the two ends of the second side wing portion 11b have a circular arc shape having the radius of curvature r1, and the second side wing A second slot 12b is formed between the portions 11b, and the second core body 1b is attached to the first core body 1a, and the second wing portion 11b is attached to one of the first wing portions 11a. by.

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 first side wing portion 11a and the second side wing portion 11b. The guiding groove 22 is located at the opening. One of the two sides, and corresponding to the slot 12, 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 23 has a width w, The width w can be adjusted according to different resistance needs, and the pole 23 has a circular hole 24 to provide connection for different circuit layouts.

In the preferred embodiment of the present invention, when a plurality of sheets 2 are interlaced on the first side wing portion 11a and the second side wing portion 11b, the barrier body 3 has a ring structure and has a pass. a hole 31 for accommodating the first side wing portion 11a and the second side wing portion 11b. The barrier body 3 is located between the two sheets 2, and the barrier body 3 is made of a non-conductive material. In order to prevent the two bodies 2 from forming a telecommunications conduction and short circuit. The first slot 12a and the second slot 12b respectively have at least one guiding slot when the plurality of the segments 2 are interlaced on the first side wing portion 11a and the second side wing portion 11b. 22, used to connect poles 23 that provide 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).

Please refer to FIG. 2A and FIG. 2B , which are schematic diagrams showing the three-dimensional structure decomposition and combination of the second preferred embodiment of the modular modular high power transformer of the present invention. The modular high-power transformer of the preferred embodiment is composed of four iron cores 1 , and the modular high-power transformer comprises: two first core bodies 1a and two second core bodies 1b. , a plurality of sheets 2 and a plurality of barrier bodies 3 . In the preferred embodiment, the first core body 1a and the second core body 1b are arranged in a corresponding manner, and the second chute 13b is abutted against the first chute 13a. Therefore, the first side wing portion 11a and the second side wing portion 11b of the central portion are arranged to form a square opening to achieve rapid heat dissipation. The opening 21 of each piece 2 can accommodate the first side wing portion 11a and the second side wing portion 11b which are arranged in a square opening. Therefore, when the plurality of sheets 2 are interlaced on the first side wing portion 11a and the second side wing portion 11b, the second chute 13b is placed adjacent to the first chute 13a. There are at least one channel 22 for use with the connection pins 23 that provide different circuit layouts. The through hole 31 of the barrier body 3 accommodates the first side wing portion 11a and the second side wing portion 11b, and the barrier body 3 is located between the two sheets 2, and the barrier body 3 is Made of non-conductive material, it can prevent the two-body 2 from forming a short-circuit due to telecommunications conduction. 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).

It is thus known that the modular 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 creations that have never been seen before on the market, fully complying with the novelty and progressive elements of the invention patent, and Application.

1. . . Iron core

1a. . . First core body

1b. . . Second core body

11. . . Flank

11a. . . First side wing

11b. . . Second wing

12. . . Slotting

12a. . . First slot

12b. . . Second slot

13. . . Chute

13a. . . First chute

13b. . . Second chute

2. . . Sheet

twenty one. . . Opening

twenty two. . . Guide slot

twenty three. . . Extreme foot

twenty four. . . Round hole

3. . . Barrier

31. . . Through hole

R1. . . Radius of curvature

w. . . width

h. . . height

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view showing a preferred embodiment of a core body of the present invention.

2A is a schematic exploded perspective view of the first preferred embodiment of the modular high-power transformer of the present invention.

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

3A is a schematic exploded perspective view of a second preferred embodiment of a modular high-power transformer of the present invention.

FIG. 3B is a schematic view showing the three-dimensional structure combination of the second preferred embodiment of the modular high-power transformer of the present invention.

1. . . Iron core

1a. . . First core body

1b. . . Second core body

11a. . . First side wing

12a. . . First slot

12b. . . Second slot

13a. . . First chute

13b. . . Second chute

2. . . Sheet

twenty one. . . Opening

twenty two. . . Guide slot

twenty three. . . Extreme foot

twenty four. . . Round hole

3. . . Barrier

31. . . Through hole

w. . . width

Claims (4)

A modular high-power transformer comprising: a first core body having a polygonal shape, each of the two sides having a first side wing portion, the two ends of the first side wing portion having a first radius of curvature a circular arc shape, a first slot is formed between the two first wing portions, the two ends of the first core body respectively have at least one first chute; and a second core body is a polygonal shape The second side of the second side wing portion has a circular arc shape with a second radius of curvature, and a second slot is formed between the two second side wing portions, the second core The body is attached to the first core body, and the two ends of the second core body respectively have at least one second chute, and the second chute is in contact with the first chute, so that the first The first and second iron core bodies form a transitional connection structure, and are connected by a plurality of sets of first and second iron core bodies, and can form an annular arrangement; a plurality of sheets, each of which has an opening and a guiding groove Each of the sheet systems is interlaced and placed in the first slot and the second slot, and the opening is The first side wing portion and the second side wing portion are disposed on one side of the opening, and the two sides of the guiding groove respectively have a pole; and a plurality of blocking bodies, the blocking system is a ring structure, and The utility model has a through hole which is corresponding to the opening of the sheet body and accommodates the first side wing portion and the second side wing portion, and each of the blocking bodies is located between any two sheets. The modular high-power transformer of the building block of claim 1, wherein the sheet is plated with a tin material. The modular high-power transformer of the building block of claim 1, wherein the first and second iron core bodies are made of a conductive material. The modular high-power transformer of the building block of claim 1, wherein the barrier system is made of a non-conductive material.