Air-cooled high-frequency transformer

Abstract

The utility model relates to the field of high-frequency transformers, and discloses an air-cooled high-frequency transformer which comprises a magnetic core, a heat dissipation copper plate, an insulating plate, a first wiring copper plate, a second wiring copper plate and a copper rod. A first wiring copper plate and a second wiring copper plate which are parallel and symmetrically arranged are installed on the side wall of the heat dissipation copper plate principle magnetic core, a gap is reserved between the first wiring copper plate and the second wiring copper plate, and the U-shaped copper rods are evenly distributed on the magnetic core in an annular mode. The two ends of each copper bar penetrate through the magnetic core and the insulating plate and then are welded to the corresponding first wiring copper plate or the corresponding second wiring copper plate, the number of the copper bars connected to the first wiring copper plate is equal to that of the copper bars connected to the second wiring copper plate, and avoiding openings avoiding the copper bars are machined in the heat dissipation copper plate. The high-frequency transformer can be conveniently connected with a plate-type radiator through the heat dissipation copper plate, and the problem that an existing high-frequency transformer is convenient to dissipate heat is effectively solved.

Description

Technical Field

[0001] The utility model relates to the field of high-frequency transformers, in particular to an air-cooled high-frequency transformer. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. The existing transformer structure is annular, mainly including an annular magnetic core and copper wire wound on the magnetic core. However, this annular structure is not convenient for the installation of the radiator, which will affect the heat dissipation of the transformer. The heat of the transformer cannot be dissipated in time and will melt the copper wire, thus affecting the power supply. Utility Model Content

[0003] The utility model aims to solve the problems in the background technology and provides an air-cooled high-frequency transformer. The transformer adopts a planar structure and can be easily installed with a plate radiator, thereby ensuring the heat dissipation efficiency of the transformer.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A wind-cooled high-frequency transformer comprises a magnetic core, a heat dissipation copper plate, an insulating plate, a first connection copper plate, a second connection copper plate and a copper rod, wherein the magnetic core is annular, and an end face of one end of the magnetic core is mounted on the heat dissipation copper plate, and a first connection copper plate and a second connection copper plate are mounted on the side wall of the heat dissipation copper plate in parallel and symmetrically, and a gap is left between the first connection copper plate and the second connection copper plate, the copper rod is U-shaped, and several copper rods are evenly distributed on the magnetic core in annular shape, and both ends of the copper rod pass through the magnetic core and the insulating plate and are welded to the corresponding first connection copper plate or the second connection copper plate, and the number of copper rods connected to the first connection copper plate and the second connection copper plate is equal, and an avoidance opening for avoiding the copper rods is processed on the heat dissipation copper plate.

[0006] One end of the first wiring copper plate and the second wiring copper plate is processed with a wiring terminal.

[0007] The heat dissipation copper plate is processed with connection holes.

[0008] The air-cooled high-frequency transformer provided by the utility model has the following beneficial effects:

[0009] (1) By setting up a heat dissipation copper plate, it can be conveniently connected to the plate radiator, effectively alleviating the problem of convenient heat dissipation of the existing high-frequency transformer;

[0010] (2) By providing a U-shaped copper rod and connecting it to the first connection copper plate or the second connection copper plate by welding, construction is facilitated and production efficiency can be effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 A schematic structural diagram of an embodiment of the utility model is provided.

[0013] Figure 2 This is a schematic diagram of the main structure provided by an embodiment of the utility model.

[0014] Figure 3 The present invention is a bottom-up structural schematic diagram provided in an embodiment of the present invention.

[0015] Figure numerals: 1, magnetic core; 2, heat dissipation copper plate; 3, insulation plate; 4, first wiring copper plate; 5, second wiring copper plate; 6, copper rod; 7, avoidance; 8, wiring terminal; 9, connection hole. DETAILED DESCRIPTION

[0016] Example

[0017] like Figure 1 to Figure 3 As shown, the air-cooled high-frequency transformer provided in this embodiment includes a magnetic core 1, a heat dissipation copper plate 2, an insulating plate 3, a first connection copper plate 4, a second connection copper plate 5 and a copper rod 6. The magnetic core 1 is annular, and the end face of one end of the magnetic core 1 is installed on the heat dissipation copper plate 2. The heat dissipation copper plate 2 is provided with a first connection copper plate 4 and a second connection copper plate 5 arranged in parallel and symmetrically on the side wall of the magnetic core 1, and a gap is left between the first connection copper plate 4 and the second connection copper plate 5. The first connection copper plate 4 and the second connection copper plate 5 are processed with a connection terminal 8 at one end, and the connection terminal 8 is U-shaped. The copper rod 6 is U-shaped, and the width of the U-shaped copper rod 6 is adapted to the width of the magnetic core 1. The number of copper rods 6 is an even number, such as 8, 10, 12, 14, etc. The even number of copper rods 6 is evenly distributed on the magnetic core 1 in a ring shape. The two ends of the copper rod 6 pass through the magnetic core 1 and the insulating plate 3 and are welded to the corresponding first wiring copper plate 4 or the second wiring copper plate 5. The number of copper rods 6 connected to the first wiring copper plate 4 and the second wiring copper plate 5 is equal. The heat dissipation copper plate 2 is processed with an avoidance opening 7 for avoiding the copper rod 6. In order to facilitate the installation of the plate radiator, the heat dissipation copper plate 2 is processed with a connection hole 9.

[0018] The method of using the utility model is:

[0019] When in use, the connection terminals 8 on the first connection copper plate 4 and the second connection copper plate 5 are respectively connected to the positive and negative poles of the power supply, and then the plate radiator is connected to the connection hole 9 on the heat dissipation copper plate 2. The heat generated by the operation of the transformer is transferred from the heat dissipation copper plate 2 to the plate radiator, and then the fan blows the plate radiator to take away the heat.

[0020] The above is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any modification and replacement based on the technical solution and the utility model concept provided by the present invention shall be included in the protection scope of the present invention. It should be noted that the structures or components illustrated in the drawings are not necessarily drawn to scale, and the present invention omits the description of known components and processing technologies and processes to avoid unnecessary limitations on the present invention.

Claims

1. An air-cooled high-frequency transformer, characterized in that: The invention comprises a magnetic core (1), a heat dissipation copper plate (2), an insulating plate (3), a first connection copper plate (4), a second connection copper plate (5) and a copper rod (6); the magnetic core (1) is annular, and the end surface of one end of the magnetic core (1) is mounted on the heat dissipation copper plate (2); the heat dissipation copper plate (2) is provided with a first connection copper plate (4) and a second connection copper plate (5) which are arranged parallel and symmetrically on the side wall of the magnetic core (1), and a gap is left between the first connection copper plate (4) and the second connection copper plate (5); the copper rod (6) is U-shaped, and a plurality of copper rods (6) are evenly distributed on the magnetic core (1) in annular shape; the two ends of the copper rod (6) pass through the magnetic core (1) and the insulating plate (3) and are then welded to the corresponding first connection copper plate (4) or the second connection copper plate (5); the number of copper rods (6) connected to the first connection copper plate (4) and the second connection copper plate (5) is equal; and the heat dissipation copper plate (2) is provided with an avoidance opening (7) for avoiding the copper rods (6).

2. The air-cooled high-frequency transformer according to claim 1, characterized in that: One end of the first connection copper plate (4) and the second connection copper plate (5) is processed with a connection terminal (8).

3. The air-cooled high-frequency transformer according to claim 1, characterized in that: The heat dissipation copper plate (2) is processed with a connection hole (9).

Images