Integrated high-frequency liquid-cooled transformer

Abstract

Flow grooves are symmetrically formed in one side wall of a U-shaped installation shell, a U-shaped groove is formed in the other side wall of the U-shaped installation shell, a liquid inlet pipe is fixedly installed in the middle of one end of a rear attaching plate, and a liquid outlet pipe is fixedly installed at the position, located below the liquid inlet pipe, of one end of the rear attaching plate. According to the utility model, the flowing groove and the U-shaped groove are matched for use, a path for heat dissipation liquid to advance is provided in the side wall of the U-shaped mounting shell, and the heat dissipation liquid circulates through the through groove in the front fitting plate, so that the heat dissipation liquid continuously flows in the liquid inlet pipe, the flowing groove, the through groove and the U-shaped groove, heat generated by the transformer is absorbed and transmitted outwards, and the heat dissipation effect is improved. According to the high-frequency power transformer, internal heat dissipation of the high-frequency power transformer is achieved, the high-frequency power transformer can be used in cooperation with other heat dissipation accessories of an externally-installed power supply more conveniently, the heat dissipation efficiency is effectively improved, heat dissipation is conducted on the inner wall of the U-shaped installation shell, and the space occupied by heat dissipation is reduced.

Description

Technical Field

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

[0002] High-frequency power supply, also known as electron tube frequency conversion device, is the key equipment of high-frequency induction furnace. High-frequency power supply and induction heating technology have the highest efficiency and fastest speed for heating metal materials, and are low-energy and environmentally friendly. It has been widely used in various industries for heat processing, heat treatment, hot assembly, welding, smelting and other processes of metal materials. Correspondingly, high-frequency transformers are used in high-frequency power supplies. The operating frequency of this transformer exceeds the medium frequency (10kHz). It is mainly used as a power transformer in high-frequency switching power supplies. It is also used as a high-frequency inverter power transformer in high-frequency inverter power supplies and high-frequency inverter welding machines.

[0003] However, the current high-frequency transformer has a high operating frequency, and the heat generated increases, resulting in excessive heat remaining inside the corresponding power supply. Only a heat dissipation mechanism is installed on the outside of the power supply, which has low heat dissipation efficiency and poor heat dissipation effect. Therefore, the utility model provides an integrated high-frequency liquid-cooled transformer to meet people's needs. Utility Model Content

[0004] The present invention provides an integrated high-frequency liquid-cooled transformer, which can effectively solve the problem proposed in the above background technology that the high-frequency transformer has a high operating frequency, the heat generated is increased, resulting in excessive heat residue inside the corresponding power supply, and only the heat dissipation mechanism installed on the outside of the power supply has low heat dissipation efficiency and poor heat dissipation effect.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an integrated high-frequency liquid-cooled transformer, comprising a U-shaped mounting shell, a front laminating plate fixedly mounted on one end of the U-shaped mounting shell, a rear laminating plate fixedly mounted on the other end of the U-shaped mounting shell, a transformer mounted inside the U-shaped mounting shell, and a curved copper plate fixedly mounted on the bottom of the transformer;

[0006] A reactor is fixedly installed inside the U-shaped mounting shell at a position on one side of the transformer, a mounting copper tube is fixedly installed on the surface of the reactor, and a long heat dissipation aluminum plate is installed at the top of the U-shaped mounting shell above the transformer, and long positioning plates are fixedly connected to both sides of the long heat dissipation aluminum plate;

[0007] A short heat dissipation aluminum plate is installed on the top of the U-shaped mounting shell, which is located above the reactor. Short positioning plates are fixedly connected to both sides of the short heat dissipation aluminum plate.

[0008] According to the above technical solution, the bottom surfaces of the arc-shaped copper plate and the mounting copper tube are both in contact with the bottom end of the U-shaped mounting shell, and the transformer and the reactor are both coaxially mounted with the U-shaped mounting shell.

[0009] According to the above technical solution, the long heat dissipation aluminum plate and the short heat dissipation aluminum plate are respectively tightly attached to the top surfaces of the transformer and the reactor, and the two long positioning plates and the two short positioning plates are tightly attached to the two sides of the top of the U-shaped mounting shell.

[0010] According to the above technical solution, an epoxy long plate is installed on one side of the top of the U-shaped mounting shell, a front external copper plate is installed at one end of the top of the epoxy long plate, a middle external copper plate is installed in the middle of the top of the epoxy long plate, and a rear external copper plate is installed on the top of the epoxy long plate at a position on one side of the middle external copper plate. Locking bolts are installed on the tops of the front external copper plate, the middle external copper plate, and the rear external copper plate.

[0011] A flow groove is symmetrically opened inside one side wall of the U-shaped mounting shell, and a U-shaped groove is opened inside the other side wall of the U-shaped mounting shell. A liquid inlet pipe is fixedly installed in the middle of one end of the rear bonding plate, and a liquid outlet pipe is fixedly installed at one end of the rear bonding plate below the liquid inlet pipe.

[0012] According to the above technical solution, the epoxy long plate is pressed on the top of a long positioning plate and a short positioning plate, and the locking bolts lock and fix the epoxy long plate, long positioning plate, short positioning plate, front external copper plate, middle external copper plate and rear external copper plate.

[0013] According to the above technical solution, the liquid inlet pipe and the liquid outlet pipe extend to the interior of the two flow grooves respectively, and the interior of the front bonding plate is symmetrically provided with through grooves, and the two ends of the two through grooves are respectively connected to the two flow grooves and the two ends of the U-shaped groove.

[0014] According to the above technical solution, the interior of the U-shaped mounting shell is filled with thermally conductive insulating glue;

[0015] The heat-conducting insulating adhesive penetrates into the gaps between the U-shaped installation shell, the transformer and the reactor.

[0016] Compared with the existing technology, the beneficial effects of the present invention are as follows: the present invention has a scientific and reasonable structure and is safe and convenient to use:

[0017] 1. A flow groove, a U-shaped groove, a liquid inlet pipe and a liquid outlet pipe are provided. Through the coordinated use of the flow groove and the U-shaped groove, a path for the heat dissipation liquid is provided in the side wall of the U-shaped mounting shell, and the heat dissipation liquid is circulated through the through groove inside the front bonding plate. Then, the heat dissipation liquid continuously flows inside the liquid inlet pipe, the flow groove, the through groove and the U-shaped groove, absorbing the heat generated by the transformer and transferring it outward, realizing the internal heat dissipation of the high-frequency power transformer, making it more convenient to use with other heat dissipation accessories of the externally mounted power supply, effectively improving the heat dissipation efficiency, and the heat dissipation is carried out on the inner wall of the U-shaped mounting shell, reducing the space occupied by the heat dissipation.

[0018] 2. A long heat dissipation aluminum plate, a long positioning plate, a short heat dissipation aluminum plate, a short positioning plate and an epoxy long plate are provided. The long heat dissipation aluminum plate and the short heat dissipation aluminum plate are used in conjunction with each other to shield and assist in heat dissipation of the top of the transformer and the reactor, and transfer heat from the top to the outside. The plates are tightly attached to the top of the transformer and the reactor. The electromagnetic shielding property of the aluminum plate itself can effectively reduce local overheating caused by magnetic leakage. The long positioning plate and the short positioning plate play a role in positioning and installation. They are automatically positioned and fitted when placed, which provides great convenience for fixed installation. The epoxy long plate can be used to press and fix them, thereby improving the stability of the installation.

[0019] 3. An arc-shaped copper plate, a mounting copper tube, and thermally conductive insulating adhesive are provided. By using the arc-shaped copper plate and the mounting copper tube together, the transformer and the reactor fit more closely with the bottom of the U-shaped mounting shell, achieving integrated installation. The thermally conductive insulating adhesive provides insulation protection, thereby improving the installation stability of the transformer and the reactor. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0021] In the attached figure:

[0022] Figure 1 It is a structural diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the installation structure of the thermally conductive insulating adhesive of the utility model;

[0024] Figure 3 This is a schematic diagram of the installation structure of the reactor of the utility model;

[0025] Figure 4 This is a schematic diagram of the installation structure of the epoxy long board of the utility model;

[0026] Numbers in the figure: 1. U-shaped mounting shell; 2. Front bonding plate; 3. Rear bonding plate; 4. Transformer; 5. Arc-shaped copper plate; 6. Reactor; 7. Mounting copper tube; 8. Long heat dissipation aluminum plate; 9. Long positioning plate; 10. Short heat dissipation aluminum plate; 11. Short positioning plate; 12. Epoxy long plate; 13. Front external copper plate; 14. Middle external copper plate; 15. Rear external copper plate; 16. Locking bolt; 17. Flow trough; 18. U-shaped trough; 19. Liquid inlet pipe; 20. Liquid outlet pipe; 21. Thermal insulating glue. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0028] Example: Figures 1-4 As shown, the utility model provides a technical solution, an integrated high-frequency liquid-cooled transformer, including a U-shaped mounting shell 1, a front plywood 2 is fixedly mounted on one end of the U-shaped mounting shell 1, a rear plywood 3 is fixedly mounted on the other end of the U-shaped mounting shell 1, a transformer 4 is mounted inside the U-shaped mounting shell 1, an arc-shaped copper plate 5 is fixedly mounted on the bottom of the transformer 4, a reactor 6 is fixedly mounted on one side of the transformer 4 inside the U-shaped mounting shell 1, a mounting copper tube 7 is fixedly mounted on the surface of the reactor 6, and the bottom end surfaces of the arc-shaped copper plate 5 and the mounting copper tube 7 are both The bottom end of the U-shaped mounting shell 1 is fitted together, and the transformer 4 and the reactor 6 are both coaxially mounted with the U-shaped mounting shell 1. The top of the U-shaped mounting shell 1 is located above the transformer 4 and is mounted with a long heat dissipation aluminum plate 8. Both sides of the long heat dissipation aluminum plate 8 are fixedly connected with long positioning plates 9. The top of the U-shaped mounting shell 1 is located above the reactor 6 and is mounted with a short heat dissipation aluminum plate 10. Both sides of the short heat dissipation aluminum plate 10 are fixedly connected with short positioning plates 11. The long heat dissipation aluminum plate 8 and the short heat dissipation aluminum plate 10 are respectively tightly attached to the top surfaces of the transformer 4 and the reactor 6;

[0029] The two long positioning plates 9 and the two short positioning plates 11 are both tightly attached to the two sides of the top of the U-shaped mounting shell 1. The long heat dissipation aluminum plate 8 and the short heat dissipation aluminum plate 10 are used in conjunction with each other to shield and assist in heat dissipation of the top of the transformer 4 and the reactor 6, transferring heat from the top to the outside. Moreover, the long positioning plates 9 and the short positioning plates 11 are tightly attached to the top of the transformer 4 and the reactor 6. The electromagnetic shielding property of the aluminum plate itself can effectively reduce local overheating caused by magnetic leakage. The long positioning plates 9 and the short positioning plates 11 play a role in positioning and installation. They are automatically positioned and fitted when placed, which provides great convenience for fixed installation. The epoxy long plate 12 can be used to press and fix them, thereby improving the stability of the installation.

[0030] An epoxy long plate 12 is installed on one side of the top of the U-shaped mounting shell 1, a front external copper plate 13 is installed at one end of the top of the epoxy long plate 12, a middle external copper plate 14 is installed in the middle of the top of the epoxy long plate 12, and a rear external copper plate 15 is installed on the top of the epoxy long plate 12 at one side of the middle external copper plate 14. The epoxy long plate 12 is pressed on the top of a long positioning plate 9 and a short positioning plate 11, and the locking bolts 16 lock and fix the epoxy long plate 12, the long positioning plate 9, the short positioning plate 11, the front external copper plate 13, the middle external copper plate 14 and the rear external copper plate 15;

[0031] Locking bolts 16 are installed on the tops of the front external copper plate 13, the middle external copper plate 14, and the rear external copper plate 15. Flow grooves 17 are symmetrically opened inside one side wall of the U-shaped mounting shell 1, and a U-shaped groove 18 is opened inside the other side wall of the U-shaped mounting shell 1. A liquid inlet pipe 19 is fixedly installed in the middle of one end of the rear bonding plate 3, and a liquid outlet pipe 20 is fixedly installed at one end of the rear bonding plate 3 below the liquid inlet pipe 19. The liquid inlet pipe 19 and the liquid outlet pipe 20 extend into the interior of the two flow grooves 17 respectively.

[0032] Through grooves are symmetrically provided inside the front plywood 2, and the two ends of the two through grooves are respectively connected to the two ends of the two flow grooves 17 and the U-shaped groove 18. Through the coordinated use of the flow grooves 17 and the U-shaped grooves 18, a path for the heat dissipation liquid to travel is provided in the side wall of the U-shaped mounting shell 1, and the heat dissipation liquid is circulated through the through grooves inside the front plywood 2, and then the heat dissipation liquid continuously flows inside the liquid inlet pipe 19, the flow grooves 17, the through grooves and the U-shaped grooves 18, absorbing the heat generated by the transformer 4 and transferring it to the outside, realizing the internal heat dissipation of the high-frequency power transformer 4, making it more convenient to use with other heat dissipation accessories of the externally installed power supply, effectively improving the heat dissipation efficiency, and the heat dissipation is carried out on the inner wall of the U-shaped mounting shell 1, reducing the space occupied by the heat dissipation;

[0033] The interior of the U-shaped mounting shell 1 is filled with thermally conductive insulating glue 21, which penetrates into the gaps between the U-shaped mounting shell 1, the transformer 4 and the reactor 6. The thermally conductive insulating glue 21 plays an insulating protection role and improves the installation stability of the transformer 4 and the reactor 6.

[0034] The working principle and use process of the utility model are as follows: firstly, the transformer 4 is installed in the inside of the U-shaped installation shell 1, the arc copper plate 5 at the bottom is attached to the bottom end inside the U-shaped installation shell 1, the electric reactor 6 is installed inside the U-shaped installation shell 1 at the position of one side of the transformer 4, the installation copper pipe 7 is also attached to the bottom end inside the U-shaped installation shell 1, the transformer 4, the electric reactor 6 and the U-shaped installation shell 1 are coaxially installed and fixed, the staff takes the long heat dissipation aluminum plate 8 and the short heat dissipation aluminum plate 10, and respectively places them at the top of the transformer 4 and the electric reactor 6, the long positioning plate 9 and the short positioning plate 11 are attached to the top of the two side portions of the U-shaped installation shell 1, the epoxy long plate 12 is fixedly attached to the top of one long positioning plate 9 and one short positioning plate 11, then the front external copper plate 13, the middle external copper plate 14 and the rear external copper plate 15 are sequentially placed on the top of the epoxy long plate 12, and the long positioning plate 9, the short positioning plate 11, the epoxy long plate 12, the front external copper plate 13, the middle external copper plate 14 and the rear external copper plate 15 are locked and fixed by the locking bolt 16.

[0035] Then, the U-shaped installation shell 1 is filled with the heat conducting insulating glue 21, the gap between the transformer 4 and the electric reactor 6 during the installation of the U-shaped installation shell 1 is filled, the front external copper plate 13, the middle external copper plate 14 and the rear external copper plate 15 are the accessories for connecting the U-shaped installation shell 1 with external mechanisms, and the high-frequency power supply is used, the transformer 4 and the electric reactor 6 are simultaneously operated, a certain amount of heat is generated, the heat dissipation liquid enters the inside of the flow groove 17 from the liquid inlet pipe 19, then enters the inside of the U-shaped groove 18 through the through groove in the front attachment plate 2, and then enters the inside of the flow groove 17 through the through groove, flows to the liquid outlet pipe 20 and is discharged, the continuous flow of the heat dissipation liquid in the inner wall of the U-shaped installation shell 1 is realized, the heat generated is absorbed and discharged around the outer side of the transformer 4 and the electric reactor 6, and the high-efficiency heat dissipation effect is achieved, meanwhile, the long heat dissipation aluminum plate 8 and the short heat dissipation aluminum plate 10 on the top of the transformer 4 and the electric reactor 6 play the auxiliary heat dissipation role, the heat is dissipated from the top, and the long heat dissipation aluminum plate 8 and the short heat dissipation aluminum plate 10 also play the electromagnetic shielding role, and the local overheating caused by the magnetic leakage is reduced.

[0036] Finally, it should be pointed out that: the above-mentioned is only the preferred example of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, the technical solution recorded in the foregoing embodiments can still be modified or equivalent replaced for the person skilled in the art. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An integrated high-frequency liquid-cooled transformer, comprising a U-shaped mounting shell (1), characterized in that: A front laminating plate (2) is fixedly mounted on one end of the U-shaped mounting shell (1), a rear laminating plate (3) is fixedly mounted on the other end of the U-shaped mounting shell (1), a transformer (4) is mounted inside the U-shaped mounting shell (1), and an arc-shaped copper plate (5) is fixedly mounted on the bottom of the transformer (4); A reactor (6) is fixedly mounted inside the U-shaped mounting shell (1) at a position on one side of the transformer (4), a mounting copper tube (7) is fixedly mounted on the surface of the reactor (6), a long heat dissipation aluminum plate (8) is mounted on the top of the U-shaped mounting shell (1) at a position above the transformer (4), and both sides of the long heat dissipation aluminum plate (8) are fixedly connected to long positioning plates (9); A short heat dissipation aluminum plate (10) is installed at the top of the U-shaped mounting shell (1) above the reactor (6), and short positioning plates (11) are fixedly connected to both sides of the short heat dissipation aluminum plate (10).

2. The integrated high-frequency liquid-cooled transformer according to claim 1, characterized in that: The bottom end surfaces of the arc-shaped copper plate (5) and the mounting copper tube (7) are both fitted with the bottom end inside the U-shaped mounting shell (1), and the transformer (4) and the reactor (6) are both coaxially mounted with the U-shaped mounting shell (1).

3. The integrated high-frequency liquid-cooled transformer according to claim 1, characterized in that: The long heat dissipation aluminum plate (8) and the short heat dissipation aluminum plate (10) are respectively closely attached to the top surfaces of the transformer (4) and the reactor (6), and the two long positioning plates (9) and the two short positioning plates (11) are closely attached to the two sides of the top of the U-shaped mounting shell (1).

4. The integrated high-frequency liquid-cooled transformer according to claim 1, characterized in that: An epoxy long plate (12) is installed on one side of the top of the U-shaped mounting shell (1), a front external copper plate (13) is installed on one end of the top of the epoxy long plate (12), a middle external copper plate (14) is installed in the middle of the top of the epoxy long plate (12), a rear external copper plate (15) is installed on the top of the epoxy long plate (12) at a position on one side of the middle external copper plate (14), and locking bolts (16) are installed on the tops of the front external copper plate (13), the middle external copper plate (14) and the rear external copper plate (15); A flow groove (17) is symmetrically provided inside one side wall of the U-shaped mounting shell (1), and a U-shaped groove (18) is provided inside the other side wall of the U-shaped mounting shell (1). A liquid inlet pipe (19) is fixedly installed in the middle of one end of the rear laminating plate (3), and a liquid outlet pipe (20) is fixedly installed at a position below the liquid inlet pipe (19) at one end of the rear laminating plate (3).

5. The integrated high-frequency liquid-cooled transformer according to claim 4, characterized in that: The epoxy long plate (12) is pressed on the top of a long positioning plate (9) and a short positioning plate (11), and the locking bolt (16) locks and fixes the epoxy long plate (12), the long positioning plate (9), the short positioning plate (11), the front external copper plate (13), the middle external copper plate (14) and the rear external copper plate (15).

6. The integrated high-frequency liquid-cooled transformer according to claim 4, characterized in that: The liquid inlet pipe (19) and the liquid outlet pipe (20) extend to the interior of the two flow grooves (17) respectively. Through grooves are symmetrically opened inside the front laminating plate (2), and the two ends of the two through grooves are respectively connected to the two ends of the two flow grooves (17) and the U-shaped groove (18).

7. The integrated high-frequency liquid-cooled transformer according to claim 1, characterized in that: The interior of the U-shaped mounting shell (1) is filled with heat-conducting insulating glue (21); The heat-conducting insulating adhesive (21) penetrates into the gaps between the U-shaped mounting shell (1), the transformer (4) and the reactor (6).

Images