CN212724957U - E-shaped air-cooled high-frequency transformer - Google Patents
E-shaped air-cooled high-frequency transformer Download PDFInfo
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- CN212724957U CN212724957U CN202021218218.1U CN202021218218U CN212724957U CN 212724957 U CN212724957 U CN 212724957U CN 202021218218 U CN202021218218 U CN 202021218218U CN 212724957 U CN212724957 U CN 212724957U
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Abstract
The utility model discloses a E style of calligraphy forced air cooling high frequency transformer, including the winding frame, nanometer amorphous magnetic core, the winding frame is by first winding frame, the combination of second winding frame forms, first winding frame, second winding frame junction is separated by insulating material, the whole E type that is in winding frame cross-section, the cylindrical stem that forms for the semi-cylindrical stem concatenation on by first winding frame and the second winding frame in the middle of the winding frame, the upper portion and the second winding frame lower part of first winding frame all are equipped with the spliced pole, nanometer amorphous magnetic core overlaps on the stem, it has the primary coil to wind on nanometer amorphous magnetic core, spliced pole on the first winding frame, negative pole output copper bar is all connected to the semi-cylindrical stem on the second winding frame, the semi-cylindrical stem on the first winding frame, the alternating current output copper bar is connected respectively to the spliced pole on the second winding frame. The utility model discloses the maximize makes the sectional area maximize in secondary coil line footpath, has reduced current density, has reduced the temperature when using.
Description
Technical Field
The utility model relates to an electrical equipment makes the field, specifically is a E style of calligraphy forced air cooling high frequency transformer.
Background
The high-frequency switch power supply is an alternating current-direct current, then is inverted into a high-frequency alternating current by an IGBT, then is transformed by a high-frequency transformer, and then is rectified into a direct current power supply by a quick rectifier tube or a Schottky tube. The air-cooled low-voltage large-current high-frequency transformer is made up by using amorphous material as iron core material, and its volume is reduced by several tens times, and is cylindrical or elliptical, and on the cylindrical or elliptical high-frequency transformer a primary and secondary conductive coils are wound.
Taking 1500A/12V high frequency power supply as an example, the high frequency transformer in the market at present mainly has two manufacturing methods, firstly, a primary coil is wound on a cylindrical magnetic core, insulation is made, and then a plurality of strands of copper wires are used for winding a secondary coil, the transformer has the defects that the arrangement is difficult to be uniform because the secondary winding of the transformer is formed by connecting a plurality of strands of copper wires in parallel, and the tail end of the winding needs to be welded with a wire nose or connected with the copper plate, so that the heating quantity is high in use. The amorphous magnetic cores in the current market are mostly circular ring cylinders, and the central area of a circular ring is limited.
Disclosure of Invention
To the problem that exists among the above-mentioned prior art, the utility model provides a E style of calligraphy forced air cooling high frequency transformer reduces the temperature when using, improves the stability and the life of transformer.
The utility model adopts the technical scheme as follows: an E-shaped air-cooled high-frequency transformer comprises a winding frame and a nano amorphous magnetic core, wherein the winding frame is formed by combining a first winding frame and a second winding frame, the joint of the first winding frame and the second winding frame is separated by an insulating material, the section of the winding frame is integrally E-shaped, the middle of the winding frame is a cylindrical core column formed by splicing semi-cylindrical core columns on the first winding frame and the second winding frame, connecting columns are arranged on the upper part of the first winding frame and the lower part of the second winding frame, an annular groove taking the core column as the center is formed on the winding frame, the nano amorphous magnetic core is sleeved on the core column and is arranged in the annular groove, the nano amorphous magnetic core is wound with a primary coil, the connecting column on the first winding frame and the semi-cylindrical core column on the second winding frame are both connected with the negative output copper bar, and the semi-cylindrical core column on the first winding frame and the connecting column on the second winding frame are respectively connected with the alternating output copper bar.
Further, the length of the semi-cylindrical core column on the first winding frame is larger than that of the semi-cylindrical core column on the second winding frame, the length of the connecting column on the first winding frame is equal to that of the semi-cylindrical core column on the second winding frame, a semi-circular opening slightly larger than the cross section of the semi-cylindrical core column is formed in the negative output copper bar, the semi-cylindrical core column on the first winding frame penetrates through the semi-circular opening and is not in contact with or insulated from the negative output copper bar, and the negative output copper bar is simultaneously connected with the connecting column on the first winding frame and the semi-cylindrical core column on the second winding.
Further, the length of the semi-cylindrical core column on the first winding frame is equal to that of the connecting column on the second winding frame.
Furthermore, the semi-cylindrical cores of the first winding frame and the second winding frame and the end faces of the connecting columns are provided with fixing screw holes, and the negative output copper bar and the alternating output copper bar are respectively and fixedly connected with the semi-cylindrical cores and the connecting columns through screws.
Furthermore, the first winding frame and the second winding frame are made of T2 red copper, are integrally machined and formed by copper, and are subjected to anodic oxidation corrosion prevention and reinforced conductive process treatment on the surfaces.
Furthermore, the nano amorphous magnetic core is circular, and the inner side surfaces of the connecting columns of the first winding frame and the second winding frame are arc-shaped surfaces.
The E-shaped air-cooled high-frequency transformer of the utility model replaces the secondary coil by the semi-cylindrical core columns on the first winding frame and the second winding frame, thereby maximally utilizing the effective space of the nano amorphous magnetic core, having uniform winding arrangement and high magnetic flux utilization rate; the sectional area of the wire diameter of the secondary coil is maximized, the current density is reduced, the temperature in use is reduced, the stability of the transformer is improved, and the service life of the transformer is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a winding frame according to an embodiment of the present invention.
Fig. 2 is the embodiment of the present invention, an overall mechanism of an E-shaped air-cooled high-frequency transformer is schematically illustrated.
Fig. 3 is a schematic perspective view of an E-shaped air-cooled high-frequency transformer in an embodiment of the present invention.
Detailed Description
To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below.
As shown in fig. 1-3, the E-shaped air-cooled high-frequency transformer of this embodiment includes a winding frame, a nano amorphous magnetic core 6, the winding frame is formed by combining a first winding frame 1 and a second winding frame 3, the joint of the first winding frame 1 and the second winding frame 3 is separated by an insulating material 2, the section of the winding frame is integrally E-shaped, the middle of the winding frame is a cylindrical core column formed by splicing semi-cylindrical core columns 5 on the first winding frame 1 and the second winding frame 3, connecting columns 4 are arranged at the upper part of the first winding frame 1 and the lower part of the second winding frame 3, an annular groove taking the core column as the center is formed on the winding frame, the nano amorphous magnetic core 6 is in a ring shape, the nano amorphous magnetic core 6 is sleeved on the core column and is arranged in the annular groove, the inner side surfaces of the connecting columns 4 of the first winding frame 1 and the second winding frame 3 are arc-shaped surfaces, and a primary coil is wound on the nano amorphous magnetic core 6.
The length of the semi-cylindrical core column 5 on the first winding frame 1 is greater than that of the semi-cylindrical core column 5 on the second winding frame 3, the length of the connecting column 4 on the first winding frame 1 is equal to that of the semi-cylindrical core column 5 on the second winding frame 3, and the length of the semi-cylindrical core column 5 on the first winding frame 1 is equal to that of the connecting column 4 on the second winding frame 3. And fixing screw holes are formed on the end surfaces of the semi-cylindrical cores and the connecting columns 4 of the first winding frame 1 and the second winding frame 3. The connecting column 4 on the first winding frame 1 and the semi-cylindrical core column 5 on the second winding frame 3 are both connected with the negative output copper bar 7 through screws, and the semi-cylindrical core column 5 on the first winding frame 1 and the connecting column 4 on the second winding frame 3 are respectively connected with the alternating current output copper bar 8 through screws.
In this embodiment, the negative output copper bar 7 is provided with a semicircular opening slightly larger than the cross section of the semi-cylindrical core column 5, the semi-cylindrical core column 5 on the first winding frame 1 passes through the semicircular opening and is not in contact with or insulated from the negative output copper bar 7, and the negative output copper bar 7 is simultaneously connected with the connecting column 4 on the first winding frame 1 and the semi-cylindrical core column 5 on the second winding frame 3.
The first winding frame 1 and the second winding frame 3 are made of T2 red copper, are integrally machined and formed by copper, and are subjected to anodic oxidation corrosion prevention and reinforced conductive process treatment on the surfaces.
Many modifications and other embodiments of the invention will come to mind to one skilled in the art to which this invention pertains having the benefit of the teachings presented in the foregoing descriptions and the associated drawings. Therefore, it is to be understood that the inventions are not to be limited to the specific embodiments disclosed and that modifications and other embodiments are intended to be included within the scope of the appended claims. Although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (6)
1. The utility model provides a forced air cooling high frequency transformer of E style of calligraphy, includes winding frame, nanometer amorphous magnetic core (6), its characterized in that: the winding frame is formed by combining a first winding frame (1) and a second winding frame (3), the joint of the first winding frame (1) and the second winding frame (3) is separated by an insulating material (2), the section of the winding frame is integrally E-shaped, the middle of the winding frame is a cylindrical core column formed by splicing semi-cylindrical core columns (5) on the first winding frame (1) and the second winding frame (3), connecting columns (4) are respectively arranged at the upper part of the first winding frame (1) and the lower part of the second winding frame (3), an annular groove taking the core column as the center is formed on the winding frame, a nano amorphous magnetic core (6) is sleeved on the core column and is arranged in the annular groove, a primary coil is wound on the nano amorphous magnetic core (6), the connecting column (4) on the first winding frame (1) and the semi-cylindrical core column (5) on the second winding frame (3) are both connected with a negative output copper bar (7), the semi-cylindrical core column (5) on the first winding frame (1) and the connecting column (4) on the second winding frame (3) are respectively connected with an alternating current output copper bar (8).
2. The E-shaped air-cooled high-frequency transformer of claim 1, wherein: the length of the semi-cylindrical core column (5) on the first winding frame (1) is greater than that of the semi-cylindrical core column (5) on the second winding frame (3), the length of the connecting column (4) on the first winding frame (1) is equal to that of the semi-cylindrical core column (5) on the second winding frame (3), a semicircular opening slightly larger than the cross section of the semi-cylindrical core column (5) is formed in the negative electrode output copper bar (7), the semi-cylindrical core column (5) on the first winding frame (1) penetrates through the semicircular opening and is not in contact with or insulated from the negative electrode output copper bar (7), and the negative electrode output copper bar (7) is simultaneously connected with the connecting column (4) on the first winding frame (1) and the semi-cylindrical core column (5) on the second winding frame (3).
3. The E-shaped air-cooled high-frequency transformer of claim 2, wherein: the length of the semi-cylindrical core column (5) on the first winding frame (1) is equal to that of the connecting column (4) on the second winding frame (3).
4. An E-shaped air-cooled high-frequency transformer as claimed in any one of claims 1, 2 or 3, characterized in that: and the semi-cylindrical cores of the first winding frame (1) and the second winding frame (3) and the end surfaces of the connecting columns (4) are provided with fixed screw holes, and the negative output copper bar (7) and the alternating output copper bar (8) are respectively fixedly connected with the semi-cylindrical cores and the connecting columns (4) through screws.
5. The E-shaped air-cooled high-frequency transformer of claim 1, wherein: the first winding frame (1) and the second winding frame (3) are made of T2 red copper and are integrally machined and formed by copper.
6. The E-shaped air-cooled high-frequency transformer of claim 1, wherein: the nano amorphous magnetic core (6) is in a ring shape, and the inner side surfaces of the connecting columns (4) of the first winding frame (1) and the second winding frame (3) are arc-shaped surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021218218.1U CN212724957U (en) | 2020-06-29 | 2020-06-29 | E-shaped air-cooled high-frequency transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021218218.1U CN212724957U (en) | 2020-06-29 | 2020-06-29 | E-shaped air-cooled high-frequency transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212724957U true CN212724957U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021218218.1U Active CN212724957U (en) | 2020-06-29 | 2020-06-29 | E-shaped air-cooled high-frequency transformer |
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| Country | Link |
|---|---|
| CN (1) | CN212724957U (en) |
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2020
- 2020-06-29 CN CN202021218218.1U patent/CN212724957U/en active Active
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