A high efficiency heat dissipation device for dry-type power transformer

Abstract

The invention discloses a high-efficiency heat dissipation device for a dry-type power transformer, belonging to the technical field of power transformers. The device comprises a placing shell, wherein a fixing plate is arranged in the placing shell, and a first bolt is connected to the fixing plate, and one end of the fixing plate is connected to a transformer body, and a slide groove is arranged in the placing shell, and a heat dissipation fan is connected to the placing shell, and a connecting plate is connected to the placing shell, and a heat dissipation plate is arranged on the connecting plate, and a heat dissipation hole is arranged on the placing shell. The heat dissipation fan is fixed to one end away from the shell door, and a high-efficiency heat dissipation channel is formed with the combination of the connecting plate and the heat dissipation plate. The heat dissipation plate not only increases the heat dissipation area, but also improves the heat dissipation efficiency through precise layout, so that the heat generated by the transformer can be quickly taken away. At the same time, the setting of the heat dissipation hole allows hot air to be discharged smoothly and fresh air to be introduced, so that effective air convection is formed, and the heat dissipation effect is further enhanced.

Description

Technical Field

[0001] The invention relates to the field of power transformers, in particular to a high-efficiency heat dissipation device for dry-type power transformers. Background Art

[0002] As global electricity consumption and power generation increase, the market demand for transformers, as key equipment in power transmission and distribution, continues to grow. Dry-type transformers have been widely used in various power facilities such as power stations, factories, and hospitals due to their advantages such as fireproof, explosion-proof, and pollution-free. Summary of the invention

[0003] The object of the present invention is to provide an efficient heat dissipation device for dry-type power transformers to solve the problems mentioned in the above background technology that the existing power transformers have poor heat dissipation effect, insufficient stability and flexibility during installation, and are inconvenient for maintenance.

[0004] To achieve the above object, the present invention provides the following technical solution: comprising a placement shell, a fixing plate is provided in the placement shell, a first bolt is connected to the fixing plate, one end of the fixing plate is connected to the transformer body, a slide groove is provided in the placement shell, a cooling fan is connected to the placement shell, a connecting plate is connected in the placement shell, a heat sink is provided on the connecting plate, and a heat dissipation hole is provided on the placement shell;

[0005] As a further preferred embodiment of the present technical solution: a placing frame is provided at the lower end of the placing shell, and a threaded rod is connected to the placing frame, and a rotating shaft is connected to the threaded rod, and the rotating shaft is connected to the rotating rod, and a clamping plate is connected to one end of the threaded rod, and a limited sliding rod is connected to a side of the clamping plate close to the threaded rod, and a supporting column is connected to the lower end of the placing frame;

[0006] As a further preferred embodiment of the technical solution: a connecting groove is provided on the placement shell, a supporting rod is provided in the connecting groove, a first connecting block is connected to the upper end of the placement shell, the first connecting block is connected to the second connecting block, a shell door is connected to the second connecting block, a third connecting block is provided on one side of the shell door, a second bolt is connected to the third connecting block, and a fixing groove is provided on the inner side of the shell door;

[0007] As a further preferred embodiment of the technical solution: the fixing plate is fitted on the inner side of the placement shell, and the first bolt is threadedly connected to the placement shell and the fixing plate, and the transformer body is fixedly connected to the inner side of the placement shell through the fixing plate and the first bolt;

[0008] As a further preferred embodiment of the technical solution: the slide grooves are provided in two groups and are arranged on the inner side of the placement shell, and the transformer body is slidably connected to the slide grooves through extension plates provided at both ends;

[0009] As a further preferred embodiment of the technical solution: the heat dissipation fan is fixedly connected to an end of the placement shell away from the shell door, and the connecting plate is fixedly connected to a side of the placement shell close to the heat dissipation fan, and the heat sink is fixedly connected to the connecting plate;

[0010] As a further preferred embodiment of the technical solution: the lower end of the placement shell is attached to the inner side of the placement frame, and the threaded rod is threadedly connected to the placement frame, and the clamping plate is fixedly connected to one end of the threaded rod close to the placement shell, and the limiting sliding rod penetrates and is slidably connected to the placement frame, and the limiting sliding rod is provided with two groups and symmetrically arranged on both sides of the threaded rod;

[0011] As a further preferred embodiment of the technical solution: the threaded rods are provided in two groups and are symmetrically arranged at both ends of the placement frame, and the clamping plates are provided in two groups and are respectively arranged on both sides of the placement shell;

[0012] As a further preferred embodiment of the present technical solution: the upper end of the support rod is rotatably connected to the placement shell, and the support rod slides inside the connection groove, and one end of the support rod away from the placement shell slides in the fixing groove;

[0013] As a further preferred embodiment of the present technical solution: the first connecting block is fixedly connected to the upper end of the placement shell, and the second connecting block is hinged on the first connecting block, and one end of the second connecting block away from the first connecting block is fixedly connected to a side of the shell door away from the third connecting block, and the shell door is fixedly connected to the placement shell through the third connecting block and the second bolt thread.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. In the present invention, a heat dissipation fan is fixed at one end away from the shell door, and a high-efficiency heat dissipation channel is formed with the combination of the connecting plate and the heat sink. The heat sink not only increases the heat dissipation area, but also improves the heat dissipation efficiency through precise layout, so that the heat generated by the transformer can be quickly taken away. At the same time, the setting of the heat dissipation holes allows the hot air to be discharged smoothly and fresh air to be introduced, forming effective air convection, which further enhances the heat dissipation effect.

[0016] 2. In the present invention, the combination of the fixing plate and the first bolt further strengthens the fixation of the transformer, effectively preventing potential safety hazards caused by vibration or displacement. The comprehensive application of the mounting frame, the threaded rod, the rotating shaft, the rotating rod and the clamping plate enables the entire device to flexibly adapt to transformers of different sizes and weights, providing extremely high applicability and flexibility.

[0017] 3. In the present invention, the third connecting block and the second bolt are threadedly fixedly connected to the housing shell, so that it can be easily disassembled and opened when maintenance or inspection is required. At the same time, the design of the support rod allows the shell door to be firmly supported when opened, avoiding safety risks caused by accidental closure. This design not only improves maintenance efficiency, but also ensures the safety of operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The structure of a high-efficiency heat dissipation device for a dry-type power transformer of the present invention is schematically shown. Figure 1 ;

[0019] Figure 2 The structure of a high-efficiency heat dissipation device for a dry-type power transformer of the present invention is schematically shown. Figure 2 ;

[0020] Figure 3 The structure of a high-efficiency heat dissipation device for a dry-type power transformer of the present invention is schematically shown. Figure 3 ;

[0021] Figure 4 The structure of a high-efficiency heat dissipation device for a dry-type power transformer of the present invention is schematically shown. Figure 4 ;

[0022] Figure 5 The present invention is a partial structural schematic diagram of a high-efficiency heat dissipation device for a dry-type power transformer.

[0023] In the figure: 1. placement shell; 2. fixing plate; 3. first bolt; 4. transformer body; 5. slide groove; 6. cooling fan; 7. connecting plate; 8. heat sink; 9. placement frame; 10. threaded rod; 11. rotating shaft; 12. rotating rod; 13. clamping plate; 14. limiting slide rod; 15. connecting groove; 16. supporting rod; 17. first connecting block; 18. second connecting block; 19. shell door; 20. third connecting block; 21. second bolt; 22. fixing groove; 23. supporting column; 24. heat dissipation hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Example

[0026] See also Figure 1-Figure 5As shown, the present invention provides a technical solution: it includes a placing shell 1, a fixing plate 2 is provided in the placing shell 1, and a first bolt 3 is connected to the fixing plate 2, and one end of the fixing plate 2 is connected to the transformer body 4, and a slide groove 5 is provided in the placing shell 1, and a cooling fan 6 is connected to the placing shell 1, and a connecting plate 7 is connected in the placing shell 1, and a heat sink 8 is provided on the connecting plate 7, and a heat dissipation hole 24 is provided on the placing shell 1, and the heat dissipation fan 6 is fixed at one end away from the shell door 19, and a high-efficiency heat dissipation channel is formed by the combination of the connecting plate 7 and the heat sink 8. The heat sink 8 not only increases the heat dissipation area, but also improves the heat dissipation efficiency through precise layout, so that the heat generated by the transformer can be quickly taken away. At the same time, the setting of the heat dissipation hole 24 allows hot air to be discharged smoothly and introduces fresh air, forming effective air convection, and further enhancing the heat dissipation effect.

[0027] In this embodiment, specifically: a placing frame 9 is provided at the lower end of the placing shell 1, and a threaded rod 10 is connected to the placing frame 9, and a rotating shaft 11 is connected to the threaded rod 10, and the rotating shaft 11 is connected to the rotating rod 12, and one end of the threaded rod 10 is connected to a clamping plate 13, and the side of the clamping plate 13 close to the threaded rod 10 is connected to a limiting sliding rod 14, and the lower end of the placing frame 9 is connected to a supporting column 23, and the combination of the fixing plate 2 and the first bolt 3 further strengthens the fixation of the transformer, and effectively prevents the safety hazards caused by vibration or displacement. The comprehensive application of the placing frame 9, the threaded rod 10, the rotating shaft 11, the rotating rod 12 and the clamping plate 13 enables the entire device to flexibly adapt to transformers of different sizes and weights, providing extremely high applicability and flexibility.

[0028] In this embodiment, specifically: a connecting groove 15 is provided on the placement shell 1, and a support rod 16 is provided in the connecting groove 15, and a first connecting block 17 is connected to the upper end of the placement shell 1, and the first connecting block 17 is connected to the second connecting block 18, and the second connecting block 18 is connected to a shell door 19, and a third connecting block 20 is provided on one side of the shell door 19, and the third connecting block 20 is connected to the second bolt 21, and a fixing groove 22 is provided on the inner side of the shell door 19, which is threadedly fixedly connected to the placement shell 1 through the third connecting block 20 and the second bolt 21, so that it can be easily disassembled and opened when maintenance or inspection is required. At the same time, the design of the support rod 16 allows the shell door 19 to be firmly supported when opened, avoiding safety risks caused by accidental closure. This design not only improves maintenance efficiency, but also ensures the safety of operators.

[0029] In this embodiment, specifically: the fixing plate 2 is fitted on the inner side of the placement shell 1 , and the first bolt 3 is threadedly connected to the placement shell 1 and the fixing plate 2 , and the transformer body 4 is fixedly connected to the inner side of the placement shell 1 through the fixing plate 2 and the first bolt 3 .

[0030] In this embodiment, specifically: two groups of slide grooves 5 are provided and arranged on the inner side of the placement shell 1, and the transformer body 4 is slidably connected to the slide grooves 5 through extension plates provided at both ends.

[0031] In this embodiment, specifically: the cooling fan 6 is fixedly connected to the end of the housing 1 away from the housing door 19 , and the connecting plate 7 is fixedly connected to the side of the housing 1 close to the cooling fan 6 , and the heat sink 8 is fixedly connected to the connecting plate 7 .

[0032] In this embodiment, specifically: the lower end of the placing shell 1 is attached to the inner side of the placing frame 9, and the threaded rod 10 is threadedly connected to the placing frame 9, and the clamping plate 13 is fixedly connected to one end of the threaded rod 10 close to the placing shell 1, and at the same time, the limiting slide rod 14 is slidably connected to the placing frame 9, and the limiting slide rod 14 is provided with two groups and symmetrically arranged on both sides of the threaded rod 10.

[0033] In this embodiment, specifically: two groups of threaded rods 10 are provided and symmetrically arranged at two ends of the placement frame 9, and two groups of clamping plates 13 are provided and respectively arranged on two sides of the placement shell 1.

[0034] In this embodiment, specifically: the upper end of the support rod 16 is rotatably connected to the placement shell 1 , and the support rod 16 slides inside the connection groove 15 , and the end of the support rod 16 away from the placement shell 1 slides in the fixing groove 22 .

[0035] In this embodiment, specifically: the first connecting block 17 is fixedly connected to the upper end of the placement shell 1, and the second connecting block 18 is hinged on the first connecting block 17, and the end of the second connecting block 18 away from the first connecting block 17 is fixedly connected to the side of the shell door 19 away from the third connecting block 20, and at the same time, the shell door 19 is threadedly fixedly connected to the placement shell 1 through the third connecting block 20 and the second bolt 21.

[0036] Working principle or structural principle: a slide groove 5 is provided inside the placement shell 1, and the transformer body 4 is slidably installed on the slide groove 5 through the extension plates at both ends, which is convenient for installation and position adjustment. The transformer body 4 is fixed in the placement shell 1 by the first bolt 3. The design of the fixing plate 2 ensures that the transformer is firmly installed to prevent vibration or displacement. The bottom of the placement shell 1 is equipped with a placement frame 9. The position of the clamping plate 13 is adjusted by the threaded rod 10, the rotating shaft 11 and the rotating rod 12. The limiting slide rod 14 is used to ensure the stable movement of the clamping plate 13. The clamping plate 13 fits tightly on both sides of the placement shell 1, and the support column 23 provides support for the overall structure. The cooling fan 6 is fixed to the end of the placement shell 1 away from the shell door 19. When the transformer is running, The cooling fan 6 is started to generate airflow, and the connecting plate 7 is fixed to one side of the housing shell 1 close to the cooling fan 6, on which a heat sink 8 is mounted. The heat sink 8 increases the heat dissipation area and improves the heat dissipation efficiency. The airflow generated by the fan passes through the heat sink 8 to take away the heat generated by the transformer. The housing shell 1 is provided with heat dissipation holes 24 to allow hot air to be discharged and fresh air to be introduced at the same time to form effective air convection, thereby further enhancing the heat dissipation effect. By removing the second bolt 21 and pushing the housing door 19 upward, the support rod 16 is removed from the connecting groove 15, and one end of the support rod 16 is slid into the fixing groove 22 to support the housing door 19, so that the housing door 19 can be opened.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency heat dissipation device for a dry-type power transformer, characterized in that: The invention comprises a placement shell (1), wherein a fixing plate (2) is arranged inside the placement shell (1), and a first bolt (3) is connected to the fixing plate (2), and one end of the fixing plate (2) is connected to a transformer body (4), and a slide groove (5) is arranged inside the placement shell (1), and a heat dissipation fan (6) is connected to the placement shell (1), and a connecting plate (7) is connected inside the placement shell (1), and a heat dissipation plate (8) is arranged on the connecting plate (7), and a heat dissipation hole (24) is arranged on the placement shell (1).

2. The high-efficiency heat dissipation device for a dry-type power transformer according to claim 1, characterized in that: The lower end of the placement shell (1) is provided with a placement frame (9), and the placement frame (9) is connected to a threaded rod (10), and the threaded rod (10) is connected to a rotating shaft (11), and the rotating shaft (11) is connected to a rotating rod (12), and one end of the threaded rod (10) is connected to a clamping plate (13), and a side of the clamping plate (13) close to the threaded rod (10) is connected to a limiting sliding rod (14), and the lower end of the placement frame (9) is connected to a supporting column (23).

3. The high-efficiency heat dissipation device for a dry-type power transformer according to claim 2, characterized in that: The placement shell (1) is provided with a connection groove (15), and a support rod (16) is provided in the connection groove (15), and the upper end of the placement shell (1) is connected to a first connection block (17), and the first connection block (17) is connected to a second connection block (18), and the second connection block (18) is connected to a shell door (19), and a third connection block (20) is provided on one side of the shell door (19), and the third connection block (20) is connected to a second bolt (21), and a fixing groove (22) is provided on the inner side of the shell door (19).

4. The high-efficiency heat dissipation device for a dry-type power transformer according to claim 3, characterized in that: The fixing plate (2) is arranged in close contact with the inner side of the placement shell (1), and the first bolt (3) is threadedly connected to the placement shell (1) and the fixing plate (2), and the transformer body (4) is fixedly connected to the inner side of the placement shell (1) via the fixing plate (2) and the first bolt (3).

5. The high-efficiency heat dissipation device for a dry-type power transformer according to claim 4, characterized in that: The slide grooves (5) are provided in two groups and are arranged on the inner side of the placement shell (1), and the transformer body (4) is slidably connected to the slide grooves (5) via extension plates provided at both ends.

6. The high-efficiency heat dissipation device for a dry-type power transformer according to claim 5, characterized in that: The heat dissipation fan (6) is fixedly connected to one end of the housing shell (1) away from the housing door (19), and the connecting plate (7) is fixedly connected to a side of the housing shell (1) close to the heat dissipation fan (6), and the heat sink (8) is fixedly connected to the connecting plate (7).

7. The high-efficiency heat dissipation device for a dry-type power transformer according to claim 6, characterized in that: The lower end of the placement shell (1) is fitted on the inner side of the placement frame (9), and the threaded rod (10) is threadedly connected to the placement frame (9), and the clamping plate (13) is fixedly connected to one end of the threaded rod (10) close to the placement shell (1), and the limiting sliding rod (14) penetrates and is slidably connected to the placement frame (9), and the limiting sliding rod (14) is provided with two groups and is symmetrically arranged on both sides of the threaded rod (10).

8. The high-efficiency heat dissipation device for a dry-type power transformer according to claim 7, characterized in that: The threaded rods (10) are provided in two groups and are symmetrically arranged at the two ends of the placement frame (9), and the clamping plates (13) are provided in two groups and are respectively arranged in close contact with the two sides of the placement shell (1).

9. The high-efficiency heat dissipation device for a dry-type power transformer according to claim 8, characterized in that: The upper end of the support rod (16) is rotatably connected to the placement shell (1), and the support rod (16) slides inside the connection groove (15), and the end of the support rod (16) away from the placement shell (1) slides in the fixing groove (22).

10. The high-efficiency heat dissipation device for a dry-type power transformer according to claim 9, characterized in that: The first connecting block (17) is fixedly connected to the upper end of the placement shell (1), and the second connecting block (18) is hinged to the first connecting block (17), and one end of the second connecting block (18) away from the first connecting block (17) is fixedly connected to a side of the shell door (19) away from the third connecting block (20), and the shell door (19) is threadedly fixedly connected to the placement shell (1) through the third connecting block (20) and the second bolt (21).

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