A sealed water-cooled dry-type transformer
By using water-cooling components and a filtration system, the heat dissipation problem of sealed dry-type transformers has been solved, achieving efficient heat dissipation, extending equipment life, and improving equipment operating efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENYANG HUALESHITONG TRANSMISSION TECH CO LTD
- Filing Date
- 2025-06-26
- Publication Date
- 2026-07-21
AI Technical Summary
Sealed dry-type transformers have poor heat dissipation and cannot effectively dissipate hot air, resulting in low equipment operating efficiency.
The system employs water-cooled components, including a water tank, a chiller, spiral water-cooled pipes, a circulating water pump, and heat dissipation fins. The temperature is reduced through a circulating water-cooling system, and solid substances are filtered through a filter cover and mounting base to prevent them from entering the spiral water-cooled pipes, thus extending the equipment's lifespan.
This achieves efficient heat dissipation for sealed dry-type transformers, extends equipment life, saves liquid usage, and improves equipment operating efficiency.
Smart Images
Figure CN224536835U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of dry-type transformer technology, and in particular to a sealed water-cooled dry-type transformer. Background Technology
[0002] Dry-type transformers are widely used in local lighting, high-rise buildings, airports, docks, CNC machinery, and other applications. Simply put, a dry-type transformer is one whose core and windings are not immersed in insulating oil. Cooling methods for dry-type transformers are divided into natural air cooling and forced air cooling. With natural air cooling, the transformer can operate continuously at its rated capacity for extended periods. With forced air cooling, the transformer's output capacity can be increased by 50%.
[0003] For sealed dry-type transformers, since the casing is sealed, hot air cannot dissipate quickly from the casing, whether natural air cooling or forced air cooling is used, resulting in poor heat dissipation. Therefore, a sealed water-cooled dry-type transformer is needed to solve the above problems. Utility Model Content
[0004] The main objective of this invention is to provide a sealed water-cooled dry-type transformer, which can effectively solve the problems in the background art.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A sealed water-cooled dry-type transformer includes a housing, a transformer disposed in the middle of the housing, a supporting base plate disposed at the bottom of the housing, and a water-cooling assembly disposed at the bottom of the supporting base plate. The water-cooling assembly includes a water tank, a cooler is provided on one side of the water tank, and a mounting base is provided on the other side of the water tank. A filter cover is provided on the side of the mounting base, and a water outlet pipe is provided in the middle of the filter cover. An adapter and a spiral water-cooling pipe are provided at one end of the water outlet pipe, and a circulating water pipe and a circulating water pump are provided at one end of the spiral water-cooling pipe.
[0006] Preferably, the top of the water tank is bolted to the bottom center of the support base plate, and a cooler is installed on the side of the water tank. The cooler is connected to the inside of the water tank, and a controller is installed on one side of the water tank, and the controller is connected to the cooler via a wire.
[0007] Preferably, the side of the water tank away from the cooler is bolted with a mounting base, and the end of the mounting base near the inside of the water tank is bolted with a filter cover. There are multiple mounting bases, which are evenly distributed on the side of the water tank.
[0008] Preferably, a water outlet pipe is installed in the middle of the mounting base, and the water outlet pipe passes through the mounting base and connects to the inside of the water tank. The end of the water outlet pipe near the inside of the water tank is located in the middle of the filter cover. The filter cover is arranged correspondingly to the water outlet pipe, and an adapter is installed at the end of the water outlet pipe away from the filter cover. A spiral water-cooling pipe is installed on the side of the adapter away from the filter cover, and the spiral water-cooling pipe is sleeved on the outside of the transformer. A water pump is installed in the middle of the end of the water outlet pipe near the water tank.
[0009] Preferably, the spiral water-cooling pipe is located between the shell and the transformer, and the spiral water-cooling pipe is connected to the water outlet pipe through an adapter. There are two adapters, which are symmetrically distributed at both ends of the spiral water-cooling pipe. A circulating water pipe is installed at the top of the spiral water-cooling pipe through the adapter. The circulating water pipe is located at the top of the shell, and the end of the circulating water pipe away from the spiral water-cooling pipe is connected to the inside of the water tank. A circulating water pump is installed in the middle of the top of the circulating water pipe.
[0010] Preferably, heat dissipation fins are installed on the side wall of the housing; there are multiple heat dissipation fins, which are evenly distributed on the side wall of the housing and penetrate through the housing, with one end of the heat dissipation fin connected to the inside of the housing located between the housing and the transformer.
[0011] Preferably, the filter cover is arranged in the shape of a filter mesh, and a threaded connecting pipe is installed in the middle of one end of the filter cover near the outlet pipe. The threaded connecting pipe has an insertion groove in the middle, and the insertion groove passes through the middle of the filter cover. The threaded connecting pipe is inserted into the middle of the mounting base, and a threaded connecting groove is provided on the inner wall of the mounting base near the threaded connecting pipe. The threaded connecting pipe is connected to the mounting base through the threaded connecting groove, and the outlet pipe passes through the insertion groove and connects to the inside of the filter cover.
[0012] Preferably, the heat dissipation fins have a mounting groove in the middle, and a T-shaped groove is formed on the inner wall of the mounting groove. A heat dissipation fin connecting plate is slidably connected inside the mounting groove, and the end of the heat dissipation fin connecting plate away from the heat dissipation fins passes through the housing and connects to the inside of the housing. A T-shaped slide rail is fixedly connected to the side of the heat dissipation fin connecting plate near the heat dissipation fins, and the T-shaped slide rail is slidably connected inside the T-shaped groove on the inner wall of the mounting groove.
[0013] Preferably, a limiting base plate is fixedly connected to the bottom of the heat dissipation fin connecting plate, and the top of the limiting base plate is in contact with the bottom of the heat dissipation fin. A movable limiting top plate is slidably connected to the top of the heat dissipation fin, and a fan-shaped limiting slider is fixedly connected to the bottom of the movable limiting top plate. The fan-shaped limiting slider is slidably connected to the top of the heat dissipation fin, and is connected to the top of the end of the heat dissipation fin connecting plate away from the shell. A positioning bolt is threadedly connected to the middle of the movable limiting top plate, and the positioning bolt passes through the movable limiting top plate and connects to the heat dissipation fin connecting plate.
[0014] Compared with the prior art, the present invention has the following beneficial effects: In this invention, the water-cooling components reduce the temperature inside the casing, the mounting base and filter cover filter out solids generated in the water tank over time, preventing them from entering the spiral water-cooling tubes and affecting their lifespan, and the circulating water pipes and pumps enable liquid recycling, saving liquid. Furthermore, the spiral water-cooling tubes, in conjunction with the heat dissipation fins, further improve the heat dissipation effect inside the casing. Attached Figure Description
[0015] Figure 1 This is a first-view structural schematic diagram of the entire device of this utility model; Figure 2 This is a second-view structural schematic diagram of the overall device of this utility model; Figure 3 This is a schematic diagram of the internal structure of the casing of this utility model; Figure 4 This is a partial structural schematic diagram of the water-cooled component of this utility model; Figure 5 This is a structural schematic diagram of the filter cover and water outlet pipe of this utility model.
[0016] Figure 6 This is a schematic diagram of the unfolded heat dissipation fins of this utility model.
[0017] Figure 7 yes Figure 6 Enlarged view of part A.
[0018] In the diagram: 1. Housing; 2. Transformer; 3. Support base plate; 4. Water cooling assembly; 5. Water tank; 6. Refrigerator; 7. Controller; 8. Mounting base; 9. Filter cover; 10. Water outlet pipe; 11. Spiral water cooling pipe; 12. Water pump; 13. Adapter; 14. Circulating water pipe; 15. Circulating water pump; 16. Heat dissipation fins; 17. Threaded connecting pipe; 18. Insertion groove; 19. Threaded connection groove; 20. Heat dissipation fin connecting plate; 21. T-shaped slide rail; 22. Mounting slide groove; 23. Limiting base plate; 24. Movable limiting top plate; 25. Positioning bolt; 26. Fan-shaped limiting slider. Detailed Implementation
[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0020] Please see Figure 1 , Figure 2 , Figure 3 , Figure 6 As shown, a sealed water-cooled dry-type transformer includes a housing 1, a transformer 2 disposed in the middle of the housing 1, a support base plate 3 disposed at the bottom of the housing 1, a water-cooling assembly 4 disposed at the bottom of the support base plate 3, and a heat dissipation fin 16 installed in the middle of the side wall of the housing 1. There are multiple heat dissipation fins 16, which are evenly distributed on the outer wall of the middle of the side wall of the housing 1 and penetrate through the housing 1. One end of the heat dissipation fin 16 connected to the inside of the housing 1 is located between the housing 1 and the transformer 2. The heat dissipation effect on the inside of the housing 1 is further improved by using a spiral water-cooling pipe 11 in conjunction with the heat dissipation fin 16. A mounting groove 22 is provided in the middle of the heat dissipation fin 16, and a T-shaped groove is provided on the inner wall of the mounting groove 22. A heat dissipation fin connecting plate 20 is slidably connected inside the mounting groove 22, and the end of the heat dissipation fin connecting plate 20 away from the heat dissipation fin 16 passes through the housing 1 and connects to the interior of the housing 1. A T-shaped slide rail 21 is fixedly connected to the side of the heat dissipation fin connecting plate 20 near the heat dissipation fin 16, and the T-shaped slide rail 21 is slidably connected inside the T-shaped groove on the inner wall of the mounting groove 22. A limiting base plate 23 is fixedly connected to the bottom of the heat dissipation fin connecting plate 20, and the top of the limiting base plate 23 contacts the bottom of the heat dissipation fin 16. A movable part is slidably connected to the top of the heat dissipation fin 16. A movable limiting top plate 24 is provided, and a sector-shaped limiting slider 26 is fixedly connected to the bottom of the movable limiting top plate 24. The sector-shaped limiting slider 26 is slidably connected to the top of the heat dissipation fin 16 and is connected to the top of the end of the heat dissipation fin connecting plate 20 away from the housing 1. A positioning bolt 25 is threadedly connected to the middle of the movable limiting top plate 24, and the positioning bolt 25 passes through the movable limiting top plate 24 and connects to the heat dissipation fin connecting plate 20. The heat dissipation fin 16 is connected through the heat dissipation fin connecting plate 20, which passes through the interior of the housing 1, and the heat dissipation fin 16 is slidably connected to the heat dissipation fin 16, thus facilitating the disassembly of the heat dissipation fin 16. This facilitates the installation or replacement of the heat dissipation fin 16 as needed; facilitates the replacement of the heat dissipation fin 16 when it is damaged or old; and facilitates the thorough cleaning of the heat dissipation fin 16, ensuring its effective use.
[0021] The water-cooling assembly 4 includes a water tank 5. A cooler 6 is installed on one side of the water tank 5, and a mounting base 8 is installed on the other side of the water tank 5. A filter cover 9 is installed on the side of the mounting base 8. The filter cover 9 is located inside the water tank 5, and a water outlet pipe 10 is installed in the middle of the filter cover 9. One end of the water outlet pipe 10 is connected to an adapter 13 and a spiral water cooling pipe 11. One end of the spiral water cooling pipe 11 is connected to a circulating water pipe 14 and a circulating water pump 15. The top of the water tank 5 is bolted to the bottom center of the support base plate 3. The cooler 6 is installed on the side of the water tank 5 and is connected to the inside of the water tank 5. A controller 7 for the cooler 6 is installed on one side of the water tank 5. A mounting base 8 is bolted to the side of the water tank 5 away from the cooler 6, and a filter cover 9 is bolted to the end of the mounting base 8 closest to the inside of the water tank 5. There are multiple mounting bases 8, which are evenly distributed on the side of the water tank 5.
[0022] The chiller 6 and the connection structure between the chiller 6 and the water tank 5 are the current equipment and existing structure.
[0023] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, a water outlet pipe 10 is installed in the middle of the mounting base 8, and the water outlet pipe 10 passes through the mounting base 8 and connects to the inside of the water tank 5. The end of the water outlet pipe 10 closest to the inside of the water tank 5 is located in the middle of the filter cover 9. The filter cover 9 is correspondingly arranged with the water outlet pipe 10, and an adapter 13 is installed at the end of the water outlet pipe 10 away from the filter cover 9. A spiral water-cooling pipe 11 is installed on the side of the adapter 13 away from the filter cover 9, and the spiral water-cooling pipe 11 is sleeved on the outside of the transformer 2. A suction device is installed in the middle of the end of the water outlet pipe 10 closest to the water tank 5. The water pump 12 and the spiral water-cooling pipe 11 are located between the housing 1 and the transformer 2. The spiral water-cooling pipe 11 is connected to the water outlet pipe 10 through the adapter 13. There are two adapters 13, which are symmetrically distributed at both ends of the spiral water-cooling pipe 11. The top of the spiral water-cooling pipe 11 is connected to the circulating water pipe 14 through the adapter 13. The circulating water pipe 14 is located at the top of the housing 1, and the end of the circulating water pipe 14 away from the spiral water-cooling pipe 11 is connected to the inside of the water tank 5. The circulating water pump 15 is installed in the middle of the top of the circulating water pipe 14.
[0024] The filter cover 9 is arranged in the shape of a filter mesh, and a threaded connecting pipe 17 is installed in the middle of the end of the filter cover 9 near the outlet pipe 10. The threaded connecting pipe 17 has an insertion groove 18 in the middle, and the insertion groove 18 passes through the middle of the filter cover 9. The threaded connecting pipe 17 is inserted into the middle of the mounting base 8, and a threaded connecting groove 19 is provided on the inner wall of the mounting base 8 near the threaded connecting pipe 17. The threaded connecting pipe 17 is connected to the mounting base 8 through the threaded connecting groove 19. The outlet pipe 10 passes through the insertion groove 18 and connects to the inside of the filter cover 9.
[0025] The water-cooling component 4 reduces the temperature inside the housing 1. The mounting base 8 and filter cover 9 filter solids generated in the water tank 5 during long-term use, preventing solids from entering the spiral water-cooling tube 11 and affecting its service life. The circulating water pipe 14 and circulating water pump 15 enable the recycling of liquids, thus saving liquids.
[0026] The adapter 13 is an L-shaped tube, with both ends of the L-shaped tube connected to the tubes on both sides by threads; thus completing the bending and connecting of the tubes on both sides.
[0027] It should be noted that this utility model is a sealed water-cooled dry-type transformer. During use, the required liquid is injected into the water tank 5. A controller 7 controls a cooler 6 to cool the liquid inside the water tank 5. A water pump 12 extracts the liquid from the water tank 5, allowing it to pass through a filter cover 9 and an outlet pipe 10 into the adapter 13 and the spiral water-cooling pipe 11. The liquid flows orderly within the spiral water-cooling pipe 11, reducing the temperature between the transformer 2 and the casing 1 during this flow. The liquid then passes through the adapter 13 at the top of the spiral water-cooling pipe 11 into the circulating water pipe 14. A circulating water pump 15, positioned in the middle of the circulating water pipe 14, transports the cooled liquid through the spiral water-cooling pipe. The liquid inside the spiral water-cooling tube 11 provides power to prevent the transmission from being affected by the excessive length of the spiral water-cooling tube 11. The liquid is allowed to re-enter the water tank 5 through the circulating water pipe 14. A filter cover 9 is provided at one end of the outlet pipe 10. The filter cover 9 is connected to the mounting base 8 through a threaded connecting pipe 17. The threaded connecting pipe 17 is connected to the inside of the filter cover 9 through a threaded connecting groove 19. At the same time, the outlet pipe 10 passes through the insertion groove 18 between the mounting base 8 and the threaded connecting pipe 17 and connects to the inside of the filter cover 9. The outside of the filter cover 9 is set as a filter screen, thereby filtering the liquid entering the spiral water-cooling tube 11 and preventing impurities from being generated in the liquid, which would affect the service life of the spiral water-cooling tube 11. In addition, heat dissipation fins 16 are installed on the outer wall of the shell 1. The heat dissipation effect inside the shell 1 is accelerated by the multiple heat dissipation fins 16.
[0028] This utility model is equipped with two water pumps: a pumping pump 12 and a circulating water pump 15. The pumping pump 12 is located near the outlet of the water tank 5, and the circulating water pump 15 is located at the upper part of the circulating water pipe 14. This facilitates providing sufficient power to the liquid inside the spiral water cooling pipe 11 and avoids affecting the transmission due to the excessive length of the spiral water cooling pipe 11.
[0029] The heat dissipation fin 16 is slidably connected to the outside of the heat dissipation fin connecting plate 20, and is slidably connected to the inside of the T-shaped slide groove on the inner wall of the mounting slide groove 22 via the provided T-shaped slide rail 21, thereby achieving a limiting connection between the heat dissipation fin 16 and the heat dissipation fin connecting plate 20. Pushing the movable limiting top plate 24 causes the positioning bolt 25 at the bottom of the movable limiting top plate 24 to slide inside the sliding groove at the top of the movable limiting top plate 24, so that the positioning bolt 25 connects the movable limiting top plate 24 and the heat dissipation fin connecting plate 20. Then, rotating the positioning bolt 25 causes the positioning bolt 25 to penetrate the movable limiting top plate 24 and the heat dissipation fin connecting plate 20 through the thread, thereby achieving a positioning connection between the heat dissipation fin connecting plate 20 and the heat dissipation fin 16.
[0030] The wiring connection structure on the transformer is not shown in the figure. The wiring connection structure is a conventional structure. This utility model is only an improvement on the heat dissipation structure.
[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A sealed water-cooled dry-type transformer, comprising a casing (1), characterized in that: A transformer (2) is provided in the middle of the housing (1), and a support base plate (3) is provided at the bottom of the housing (1). A water cooling assembly (4) is provided at the bottom of the support base plate (3). The water-cooling assembly (4) includes a water tank (5), a cooler (6) is provided on one side of the water tank (5), and a mounting base (8) is provided on the other side of the water tank (5). A filter cover (9) is provided on the side of the mounting base (8), and a water outlet pipe (10) is provided in the middle of the filter cover (9). A connector (13) and a spiral water-cooling pipe (11) are provided at one end of the water outlet pipe (10), and a circulating water pipe (14) and a circulating water pump (15) are provided at one end of the spiral water-cooling pipe (11). A water outlet pipe (10) is installed in the middle of the mounting base (8), and the water outlet pipe (10) passes through the mounting base (8) and connects to the inside of the water tank (5). The end of the water outlet pipe (10) near the inside of the water tank (5) is located in the middle of the filter cover (9). The filter cover (9) is set in correspondence with the water outlet pipe (10), and an adapter (13) is installed at the end of the water outlet pipe (10) away from the filter cover (9). A spiral water cooling pipe (11) is installed on the side of the adapter (13) away from the filter cover (9), and the spiral water cooling pipe (11) is sleeved on the outside of the transformer (2). A water pump (12) is installed in the middle of the end of the water outlet pipe (10) near the water tank (5). The filter cover (9) is arranged in the shape of a filter mesh, and a threaded connecting pipe (17) is installed in the middle of one end of the filter cover (9) near the outlet pipe (10). The threaded connecting pipe (17) has an insertion groove (18) in the middle, and the insertion groove (18) passes through the middle of the filter cover (9). The threaded connecting pipe (17) is inserted into the middle of the mounting base (8), and a threaded connecting groove (19) is provided on the inner wall of the mounting base (8) near the threaded connecting pipe (17). The threaded connecting pipe (17) is connected to the mounting base (8) through the threaded connecting groove (19). The outlet pipe (10) passes through the insertion groove (18) and connects to the inside of the filter cover (9). Heat dissipation fins (16) are installed on the side wall of the housing (1); there are multiple heat dissipation fins (16) evenly distributed on the housing (1); the heat dissipation fins (16) penetrate the housing (1), and one end of the heat dissipation fins (16) inside the housing (1) is located between the inner wall of the housing (1) and the outer wall of the transformer (2); The heat dissipation fin (16) has an installation groove (22) in the middle, and a T-shaped groove is provided on the inner wall of the installation groove (22). The heat dissipation fin connecting plate (20) is slidably connected inside the installation groove (22), and the end of the heat dissipation fin connecting plate (20) away from the heat dissipation fin (16) passes through the shell (1) and connects to the inside of the shell (1). A T-shaped slide rail (21) is fixedly connected to the side of the heat dissipation fin connecting plate (20) close to the heat dissipation fin (16), and the T-shaped slide rail (21) is slidably connected inside the T-shaped groove on the inner wall of the installation groove (22). The bottom of the heat dissipation fin connecting plate (20) is fixedly connected to a limiting base plate (23), and the top of the limiting base plate (23) is in contact with the bottom of the heat dissipation fin (16). The top of the heat dissipation fin (16) is slidably connected to a movable limiting top plate (24), and the bottom of the movable limiting top plate (24) is fixedly connected to a fan-shaped limiting slider (26). The fan-shaped limiting slider (26) is slidably connected to the top of the heat dissipation fin (16), and the fan-shaped limiting slider (26) is connected to the top of the end of the heat dissipation fin connecting plate (20) away from the shell (1). The middle of the movable limiting top plate (24) is connected to a positioning bolt (25) by a thread, and the positioning bolt (25) passes through the movable limiting top plate (24) and is connected to the heat dissipation fin connecting plate (20).
2. A sealed water-cooled dry-type transformer according to claim 1, characterized in that: The top of the water tank (5) is bolted to the middle of the bottom of the support base plate (3), and a cooler (6) is installed on the side of the water tank (5). The cooler (6) is connected to the inside of the water tank (5), and a controller (7) of the cooler (6) is installed on one side of the water tank (5).
3. A sealed water-cooled dry-type transformer according to claim 1, characterized in that: The water tank (5) is mounted with a mounting base (8) by bolts on the side away from the cooler (6), and a filter cover (9) is mounted with bolts on the end of the mounting base (8) close to the inside of the water tank (5). There are multiple mounting bases (8), which are evenly distributed on the side of the water tank (5).
4. A sealed water-cooled dry-type transformer according to claim 1, characterized in that: The spiral water-cooled pipe (11) is located between the shell (1) and the transformer (2), and the spiral water-cooled pipe (11) is connected to the water outlet pipe (10) through the adapter (13). There are two adapters (13), which are symmetrically distributed at both ends of the spiral water-cooled pipe (11). The top end of the spiral water-cooled pipe (11) is equipped with a circulating water pipe (14) through the adapter (13). The circulating water pipe (14) is located at the top of the shell (1), and the end of the circulating water pipe (14) away from the spiral water-cooled pipe (11) is connected to the inside of the water tank (5). A circulating water pump (15) is installed in the middle of the top of the circulating water pipe (14).