A type of wound-core power transformer

Abstract

This invention discloses a wound-core power transformer, belonging to the field of transformer technology. It includes a main body module and a heat dissipation module. The main body module includes a transformer body, with a coolant tank fixedly connected to its bottom. Two support frames are fixedly connected to the bottom of the coolant tank. A heat insulation plate is installed on the top of the transformer body, and a protective box is fixedly connected to the front end of the coolant tank. The heat dissipation module includes multiple C-shaped heat dissipation slots fixedly connected to the outer surface of the transformer body. Each C-shaped heat dissipation slot has a first air vent on its front end. Through the arrangement of the C-shaped heat dissipation slots, air supply assembly, flow assembly, conveying assembly, driving assembly, semiconductor cooling chip, and heat-conducting plate, coolant can be reciprocated from two directions to the flow assembly, avoiding the problem of poor cooling effect when the coolant is transported to a distant location, thereby improving the heat dissipation effect.

Description

Technical Field

[0001] This invention relates to the field of transformer technology, and more specifically, to a wound-core power transformer. Background Technology

[0002] Dry-type iron-core transformers, due to the optimization of winding design and materials, have low load losses and significant overall energy-saving effects. They are suitable for places with high fire protection requirements, such as airports, railway stations, subways, power plants, metallurgical industries, densely populated residential areas, petrochemical plants, and nuclear power plants, due to their wide range of applications.

[0003] A search revealed that patent CN220604462U discloses a high-safety dry-type three-dimensional wound core transformer, including a base, a transformer body on the upper part of the base, a transformer shell on the outer side of the transformer body, heat sinks on the outer wall of the transformer shell, a top cover on the upper part of the transformer shell with a terminal block on the top of the top cover, and cooling fans on the left and right side walls of the bottom of the transformer shell. Heat exchange tubes are arranged between the heat sinks and connected to a heat exchanger. This high-safety dry-type three-dimensional wound core transformer cools the heat sinks through the cooling liquid circulating in the heat exchanger's internal pipes, thereby cooling the internal temperature of the transformer shell. This rapidly reduces the operating temperature of the transformer, minimizing the risk of danger and significantly improving the safety of transformer use.

[0004] Regarding the aforementioned technologies, current dry-type transformers typically have the above-described form. While these transformers can achieve heat dissipation and cooling during operation, they rely on the flow of coolant for cooling. Since the direction of coolant flow is fixed, when faced with long pipes and high heat dissipation temperatures, the coolant absorbs heat during flow, causing its own temperature to gradually rise. This leads to a decrease in cooling effect at distant locations, resulting in uneven heat dissipation. Therefore, a wound-core power transformer is proposed. Summary of the Invention

[0005] To solve the above problems, the present invention provides a wound-core power transformer, which adopts the following technical solution: A wound-core power transformer includes a main body module and a heat dissipation module. The main body module includes a transformer body, a coolant tank fixedly connected to the bottom of the transformer body, two support frames fixedly connected to the bottom of the coolant tank, a heat insulation plate on the top of the transformer body, and a protective box fixedly connected to the front end of the coolant tank. The heat dissipation module includes multiple C-shaped heat dissipation slots fixedly connected to the outer surface of the transformer body. Each C-shaped heat dissipation slot has a first air slot on its front end and a second air slot on its rear end. The first and second air slots are divided into two groups, and there is a space between the front and rear ends of each C-shaped heat dissipation slot. An air supply assembly is provided, with two air supply assemblies located outside one set of first air ducts and one set of second air ducts, respectively. The first set of first air ducts and one set of second air ducts are staggered. A flow assembly is provided between the interior of the coolant tank, multiple C-shaped heat dissipation plates, and heat insulation plate. A conveying assembly is provided at the bottom of the inner wall of the coolant tank and is connected to the flow assembly. A driving assembly is provided inside the protective box and is connected to the conveying assembly. Multiple thermoelectric coolers are provided at the bottom of the coolant tank. Multiple heat-conducting plates are fixedly connected to the top and bottom of the multiple thermoelectric coolers, and the heat-conducting plates at the top of the thermoelectric coolers extend into the interior of the coolant tank.

[0006] Furthermore, the flow assembly includes multiple first and second flow heat dissipation pipes that are fixedly connected between the coolant tank, multiple C-shaped heat dissipation slots, and the heat insulation plate. The multiple second flow heat dissipation pipes and the multiple first flow heat dissipation pipes are staggered. Both ends of the multiple first flow heat dissipation pipes and the multiple second flow heat dissipation pipes are located inside the coolant tank. A second L-shaped connecting pipe is fixedly connected between one end of the multiple second flow heat dissipation pipes, and a first L-shaped connecting pipe is fixedly connected between one end of the multiple first flow heat dissipation pipes.

[0007] Furthermore, the conveying assembly includes two mounting seats that are fixedly connected to the bottom of the inner wall of the coolant tank. A conveying cylinder is fixedly connected between the interiors of the two mounting seats. A partition is fixedly connected to the inner wall of the conveying cylinder. Two piston plates are movably connected inside the conveying cylinder. A steering rod is fixedly connected to the opposite side of each of the two piston plates. The opposite ends of the two steering rods extend to the outside of the conveying cylinder. A hollow frame is fixedly connected between the ends of the two steering rods.

[0008] Furthermore, the conveying assembly also includes two inlet check valves fixedly connected to the lower part of the outer surface of the conveying cylinder, and two outlet check valves are provided on the outer surface of the conveying cylinder. The two inlet check valves and the two outlet check valves are respectively located on both sides of the partition. One end of each of the two outlet check valves is fixedly connected to a connecting pipe, and one end of each connecting pipe is respectively connected to the second L-shaped connecting pipe and the first L-shaped connecting pipe.

[0009] Furthermore, the drive assembly includes an inner shaft rotatably connected to the front end face of the transformer body. The inner shaft is located inside the protective box. One end of the inner shaft is fixedly connected to a rotating disk. The rotating disk has a movable groove inside. A lifting block is slidably connected inside the movable groove. A drive shaft is fixedly connected to the front end face of the lifting block. The drive shaft is movably connected inside the hollow frame.

[0010] Furthermore, the drive assembly also includes a second motor fixedly connected inside the protective box. The output shaft of the second motor is fixedly connected to a drive gear, and the other end of the inner shaft is fixedly connected to a large gear. The outer surface of the large gear meshes with the outer surface of the drive gear.

[0011] Furthermore, the drive assembly also includes an adjusting screw rotatably connected between the top and bottom of the inner wall of the movable groove, with both ends of the adjusting screw extending to the outside of the rotating disk, and the outer surface of the adjusting screw being threadedly connected to the inside of the lifting block.

[0012] Furthermore, the air supply assembly includes an air inlet hopper fixedly connected to the front end face of multiple C-shaped heat dissipation slots. The air inlet hopper is located outside one of the first air slots. A dustproof net is fixedly connected to the front end face of the air inlet hopper. Multiple fixing plates are fixedly connected inside the air inlet hopper. Fan blades are rotatably connected inside the multiple fixing plates. Small conical teeth are fixedly connected to the multiple fan blades.

[0013] Furthermore, the air supply assembly also includes a long rod rotatably connected between the top and bottom of the inner wall of the air inlet hopper. The outer surface of the long rod is fixedly connected with a plurality of large conical teeth, and the outer surfaces of the plurality of large conical teeth respectively mesh with a plurality of small conical teeth. The bottom of the air inlet hopper is fixedly connected with a first motor, the output shaft of the first motor is connected to the bottom end of the long rod, and the bottom of the air inlet hopper is fixedly connected with a protective cover, with the first motor located inside the protective cover.

[0014] Furthermore, the main module also includes a U-shaped air duct fixedly connected to the bottom of the coolant tank, the heat-conducting plates at the bottom of the semiconductor refrigeration chip are all located inside the U-shaped air duct, a fan is installed at one end of the inner wall of the U-shaped air duct, and an adjustment door is hinged to one side of the front face of the coolant tank.

[0015] In summary, the present invention has the following beneficial technical effects: (1) The present invention, through the arrangement of C-shaped heat sink plate, air supply component, flow component, conveying component, driving component, semiconductor cooling chip and heat conduction plate, enables coolant to be conveyed to the flow component from two directions in a reciprocating manner, avoiding the problem that the cooling effect is poor when the coolant is conveyed to a distant location, thereby improving the heat dissipation effect; (2) The present invention, through the arrangement of fan blades, small conical teeth, large conical teeth, C-shaped heat dissipation slot plate, first air slot and second air slot, allows air to flow from different directions inside the C-shaped heat dissipation slot plate, thereby making the heat dissipation effect more uniform. At the same time, the air is cooled by the first flow heat dissipation pipe and the second flow heat dissipation pipe, thereby further improving the heat dissipation effect. (3) By setting up a rotating disk, adjusting screw, drive shaft and lifting block, the position of the drive shaft can be adjusted, thereby changing the speed of the compressed coolant, and thus changing the speed of the coolant flowing in the first flow heat pipe and the second flow heat pipe, so that the flow speed of the coolant can be adjusted accordingly as needed. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a cross-sectional structural diagram of the present invention; Figure 3 This is a schematic diagram of the disassembled structure of the flow component of the present invention; Figure 4 This is an exploded structural diagram of the driving component of the present invention; Figure 5 For the present invention Figure 4 Enlarged structural diagram at point A in the diagram; Figure 6 This is a cross-sectional structural schematic diagram of the conveying component of the present invention; Figure 7 This is a schematic diagram of the U-shaped duct structure of the present invention; Figure 8 This is an exploded structural diagram of the air supply component of the present invention; Figure 9 For the present invention Figure 8 Enlarged structural diagram at point B.

[0017] Explanation of the labels in the diagram: 100. Main module; 110. Transformer body; 120. Coolant tank; 130. Support frame; 140. Protective box; 150. U-shaped air duct; 160. Fan; 170. Heat insulation board; 180. Adjustable door; 200. Heat dissipation module; 210. C-shaped heat dissipation duct plate; 220. First air duct; 230. Second air duct; 240. Air supply assembly; 241. Air inlet hopper; 242. Dustproof net; 243. Fixing plate; 244. Fan blade; 245. Small conical tooth; 246. Long rod; 247. Large conical tooth; 248. First motor; 249. Protective cover; 250. Flow assembly; 251. First flow heat dissipation pipe; 252. Second flow heat dissipation pipe; 253. First L-shaped connecting pipe; 254. Second L-shaped connecting pipe 260. Pipe; 261. Conveying assembly; 262. Mounting base; 263. Conveying cylinder; 264. Piston plate; 265. Steering rod; 266. Hollow frame; 267. Inlet check valve; 268. Outlet check valve; 270. Connecting pipe; 271. Drive assembly; 272. Inner shaft; 273. Rotating disk; 274. Adjusting screw; 275. Lifting block; 276. Drive shaft; 277. Large gear; 278. Second motor; 280. Drive gear; 290. Semiconductor cooling chip; 290. Heat-conducting plate. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0019] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0021] The following is in conjunction with the appendix Figure 1-9 The present invention will be described in further detail below.

[0022] Please see Figure 1-9 A wound-core power transformer includes a main body module 100 and a heat dissipation module 200. The main body module 100 includes a transformer body 110, a coolant tank 120 fixedly connected to the bottom of the transformer body 110, two support frames 130 fixedly connected to the bottom of the coolant tank 120, a heat insulation plate 170 provided on the top of the transformer body 110, and a protective box 140 fixedly connected to the front end of the coolant tank 120. The heat dissipation module 200 includes multiple C-shaped heat dissipation slots 210 fixedly connected to the outer surface of the transformer body 110. The front end of each C-shaped heat dissipation slot 210 has a first air slot 220, and the rear end of each C-shaped heat dissipation slot 210 has a second air slot 230. The multiple first air slots 220 and the multiple second air slots 230 are divided into two groups. A power supply is provided between the front end and the rear end of each C-shaped heat dissipation slot 210. The air supply assembly 240 has two air supply assemblies 240 located outside one set of first air ducts 220 and one set of second air ducts 230, respectively. The first set of first air ducts 220 and one set of second air ducts 230 are staggered. A flow assembly 250 is arranged between the interior of the coolant tank 120, multiple C-shaped heat dissipation plates 210 and heat insulation plate 170. A conveying assembly 260 is arranged at the bottom of the inner wall of the coolant tank 120 and is connected to the flow assembly 250. A drive assembly 270 is arranged inside the protective box 140 and is connected to the conveying assembly 260. Multiple semiconductor cooling chips 280 are arranged at the bottom of the coolant tank 120. Multiple heat-conducting plates 290 are fixedly connected to the top and bottom of the multiple semiconductor cooling chips 280. The heat-conducting plates 290 at the top of the semiconductor cooling chips 280 all extend into the interior of the coolant tank 120.

[0023] During use, the coolant tank 120 contains coolant, and the C-shaped heat dissipation plates 210 absorb heat from the transformer body 110. The coolant inside the coolant tank 120 is cooled by the semiconductor cooling chip 280 and the heat conducting plate 290. The drive assembly 270 is turned on, which drives the conveying assembly 260. The conveying assembly 260 conveys coolant to the flow assembly 250 from two directions. The coolant cools the multiple C-shaped heat dissipation plates 210, thereby dissipating heat from the transformer body 110. The coolant then returns to the coolant tank 120. The conveying assembly 260 repeats its operation to achieve coolant circulation from two directions, avoiding the problem of poor cooling effect when the coolant is conveyed to a distant location. Then, the two air supply assemblies 240 are turned on, so that the air flows alternately inside the multiple C-shaped heat dissipation plates 210, thereby making the heat dissipation of the C-shaped heat dissipation plates 210 more uniform.

[0024] The flow assembly 250 includes multiple first flow heat dissipation pipes 251 and second flow heat dissipation pipes 252, all fixedly connected between the coolant tank 120, multiple C-shaped heat dissipation plates 210, and the heat insulation plate 170. The multiple second flow heat dissipation pipes 252 and the multiple first flow heat dissipation pipes 251 are staggered. Both ends of the multiple first flow heat dissipation pipes 251 and the multiple second flow heat dissipation pipes 252 are located inside the coolant tank 120. A second L-shaped connecting pipe 254 is fixedly connected to one end of each of the multiple second flow heat dissipation pipes 252, and a connecting pipe 254 is fixedly connected to one end of each of the multiple first flow heat dissipation pipes 251. The first L-shaped connecting pipe 253 and the conveying assembly 260 include two mounting seats 261, both fixedly connected to the bottom of the inner wall of the coolant tank 120. A conveying cylinder 262 is fixedly connected between the interiors of the two mounting seats 261. A partition is fixedly connected to the inner wall of the conveying cylinder 262. Two piston plates 263 are movably connected inside the conveying cylinder 262. A steering rod 264 is fixedly connected to the opposite sides of the two piston plates 263. The opposite ends of the two steering rods 264 extend to the outside of the conveying cylinder 262. A hollow frame 265 is fixedly connected between the ends of the two steering rods 264. The conveying assembly 260 also includes... The system includes two inlet check valves 266 fixedly connected to the lower part of the outer surface of the conveying cylinder 262, and two outlet check valves 267 provided on the outer surface of the conveying cylinder 262. The two inlet check valves 266 and the two outlet check valves 267 are located on both sides of the partition. One end of each outlet check valve 267 is fixedly connected to a connecting pipe 268, and one end of each connecting pipe 268 is connected to a second L-shaped connecting pipe 254 and a first L-shaped connecting pipe 253, respectively. The drive assembly 270 includes an inner shaft 271 rotatably connected to the front end face of the transformer body 110. The inner shaft 271 is located inside the protective box 140. One end of the inner shaft 271 is fixedly connected to a rotating disk 272. The rotating disk 272 has a movable groove inside. A lifting block 274 is slidably connected inside the movable groove. A drive shaft 275 is fixedly connected to the front end face of the lifting block 274. The drive shaft 275 is movably connected inside the hollow frame 265. The drive assembly 270 also includes a second motor 277 fixedly connected inside the protective box 140. The output shaft of the second motor 277 is fixedly connected to a drive gear 278. The other end of the inner shaft 271 is fixedly connected to a large gear 276. The outer surface of the large gear 276 meshes with the outer surface of the drive gear 278.

[0025] When the second motor 277 is turned on, it drives the drive gear 278 to transmit the large gear 276. The large gear 276 then drives the rotating disk 272 to rotate via the inner shaft 271. The rotating disk 272 pushes the hollow frame 265 to swing via the drive shaft 275. The hollow frame 265 then drives the two piston plates 263 to swing to one side via the two steering rods 264. This causes one piston plate 263 to draw coolant into the delivery cylinder 262 through the inlet check valve 266. At the same time, the other piston plate 263 pushes the coolant out through the outlet check valve 267 and delivers it to the second L-shaped connecting pipe 254 through the connecting pipe 268. The coolant inside the second L-shaped connecting pipe 254 will flow through multiple second flow cooling pipes 252 and return to the coolant tank 120. Subsequently, the two piston plates 263 move in opposite directions, causing the other piston plate 263 to press out coolant through another outlet check valve 267 and send it into the interior of the first L-shaped connecting pipe 253. The coolant flows through multiple first flow heat dissipation pipes 251. At this time, the other piston plate 263 performs a suction action, causing the piston plate 263 to reciprocate from two directions to deliver coolant to the first flow heat dissipation pipe 251 and the second flow heat dissipation pipe 252. The coolant cools multiple C-shaped heat dissipation slots 210, thereby dissipating heat from the transformer body 110. Subsequently, the coolant continues to return to the coolant tank 120. The piston plate 263 repeats its work to achieve coolant circulation from two directions, avoiding the problem of poor cooling effect when delivering coolant to a distant location.

[0026] The drive assembly 270 also includes an adjusting screw 273 rotatably connected between the top and bottom of the inner wall of the movable slot. Both ends of the adjusting screw 273 extend to the outside of the rotating disk 272, and the outer surface of the adjusting screw 273 is threadedly connected to the inside of the lifting block 274.

[0027] By opening the adjustment door 180, the adjustment screw 273 is rotated. The adjustment screw 273 will drive the lifting block 274 and the drive shaft 275 to rise and fall, thereby changing the position of the drive shaft 275 inside the hollow frame 265, changing the range of motion of the subsequent transmission piston plate 263, thus changing the speed of the compressed coolant, and in turn changing the flow speed of the coolant in the first flow heat pipe 251 and the second flow heat pipe 252, so that the flow speed of the coolant can be adjusted accordingly as needed.

[0028] The air supply assembly 240 includes an air inlet hopper 241 fixedly connected to the front end face of multiple C-shaped heat dissipation slots 210. The air inlet hopper 241 is located outside one of the first air slots 220. A dustproof net 242 is fixedly connected to the front end face of the air inlet hopper 241. Multiple fixing plates 243 are fixedly connected inside the air inlet hopper 241. Fan blades 244 are rotatably connected inside each of the multiple fixing plates 243. Small conical teeth 245 are fixedly connected to each of the multiple fan blades 244. The air supply assembly 240 also includes a long rod 246 rotatably connected between the top and bottom of the inner wall of the air inlet hopper 241. Multiple large conical teeth 247 are fixedly connected to the outer surface of the long rod 246. The outer surface of 47 meshes with multiple small bevel teeth 245 respectively. The bottom of the air inlet 241 is fixedly connected to a first motor 248. The output shaft of the first motor 248 is connected to the bottom end of the long rod 246. The bottom of the air inlet 241 is fixedly connected to a protective cover 249. The first motor 248 is located inside the protective cover 249. The main module 100 also includes a U-shaped air duct 150 fixedly connected to the bottom of the coolant tank 120. The heat-conducting plates 290 at the bottom of the semiconductor cooling chip 280 are all located inside the U-shaped air duct 150. A fan 160 is installed at one end of the inner wall of the U-shaped air duct 150. An adjustment door 180 is hinged to one side of the front end face of the coolant tank 120.

[0029] Then, turn on the two first motors 248. The first motors 248 will drive the long rod 246 to rotate multiple large bevel gears 247. The multiple large bevel gears 247 will drive multiple small bevel gears 245. The multiple small bevel gears 245 will drive multiple fan blades 244 to rotate. This will cause air to enter the C-shaped heat sink plate 210 from two directions through one set of first air ducts 220 and one set of second air ducts 230, and be discharged through the other set of first air ducts 220 and second air ducts 230. This will cause the air to flow alternately inside the multiple C-shaped heat sink plates 210, thereby making the heat dissipation of the C-shaped heat sink plates 210 more uniform. Turn on the fan 160. The fan 160 will deliver air to flow inside the U-shaped air duct 150, thereby performing heat dissipation operation on the semiconductor cooling chip 280.

[0030] The implementation principle of this invention is as follows: During use, the coolant tank 120 is filled with coolant, and the C-shaped heat dissipation plate 210 absorbs heat from the transformer body 110. The coolant inside the coolant tank 120 is cooled by the semiconductor cooling chip 280 and the heat-conducting plate 290. The second motor 277 is turned on, which drives the drive gear 278 to drive the large gear 276. The large gear 276 drives the rotating disk 272 to rotate via the inner shaft 271. The rotating disk 272 pushes the hollow frame 265 to swing via the drive shaft 275. The hollow frame 265 drives the two piston plates 263 to swing to one side via the two steering rods 264, so that one of the piston plates 263 passes through the liquid inlet check valve 266. Coolant is drawn into the delivery cylinder 262. Meanwhile, another piston plate 263 forces coolant out through the outlet check valve 267 and delivers it through the connecting pipe 268 to the second L-shaped connecting pipe 254. The coolant inside the second L-shaped connecting pipe 254 flows through multiple second flow cooling pipes 252 and returns to the coolant tank 120. Subsequently, the two piston plates 263 move in opposite directions, causing another piston plate 263 to force coolant out through another outlet check valve 267 and into the first L-shaped connecting pipe 253. The coolant flows through multiple first flow cooling pipes 251. At this time, the other piston plate 263 performs a suction action, causing the piston plate 263 to reciprocate from two directions towards the first flow cooling pipes 251 and... The second flow cooling pipe 252 delivers coolant, which cools multiple C-shaped heat dissipation plates 210, thereby dissipating heat from the transformer body 110. The coolant then returns to the coolant tank 120. The piston plate 263 repeats its operation, achieving coolant circulation from two directions, avoiding the problem of poor cooling effect when delivering coolant to distant locations. Then, the two first motors 248 are activated. The first motors 248 drive the long rod 246, which in turn drives multiple large bevel gears 247 to rotate. These large bevel gears 247 drive multiple small bevel gears 245, which in turn drive multiple fan blades 244 to rotate. This allows air to pass through one set of first air ducts 220 and one set of second air ducts 230 from both directions. The air enters the C-shaped heat sink 210 and exits through another set of first air ducts 220 and second air ducts 230, allowing air to flow alternately inside the multiple C-shaped heat sinks 210, thus making the heat dissipation of the C-shaped heat sinks 210 more uniform. By opening the adjustment door 180, the adjustment screw 273 is rotated, which will drive the lifting block 274 and the drive shaft 275 to rise and fall, thereby changing the position of the drive shaft 275 inside the hollow frame 265, changing the range of motion of the subsequent transmission piston plate 263, thus changing the speed of the compressed coolant, and in turn changing the speed of the coolant flow in the first flow heat sink 251 and the second flow heat sink 252, so that the flow speed of the coolant can be adjusted accordingly as needed.

[0031] The above are all preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A wound-core power transformer, comprising a main body module (100) and a heat dissipation module (200), characterized in that: The main module (100) includes a transformer body (110), a coolant tank (120) is fixedly connected to the bottom of the transformer body (110), two support frames (130) are fixedly connected to the bottom of the coolant tank (120), a heat insulation plate (170) is provided on the top of the transformer body (110), and a protective box (140) is fixedly connected to the front end of the coolant tank (120). The heat dissipation module (200) includes multiple C-shaped heat dissipation slots (210) fixedly connected to the outer surface of the transformer body (110). Each of the C-shaped heat dissipation slots (210) has a first air duct (220) on its front end face and a second air duct (230) on its rear end face. The first air ducts (220) and the second air ducts (230) are divided into two groups. An air supply assembly (240) is provided between the front end face and the rear end face of each of the C-shaped heat dissipation slots (210). Two air supply assemblies (240) are located outside one group of first air ducts (220) and one group of second air ducts (230), respectively. The first group of first air ducts (220) and the second group of second air ducts (230) are staggered. A flow assembly (250) is provided between the interior of the coolant tank (120), multiple C-shaped heat dissipation plates (210) and the heat insulation plate (170). A conveying assembly (260) is provided at the bottom of the inner wall of the coolant tank (120). The conveying assembly (260) is connected to the flow assembly (250). A driving assembly (270) is provided inside the protective box (140). The driving assembly (270) is connected to the conveying assembly (260). Multiple semiconductor cooling chips (280) are provided at the bottom of the coolant tank (120). Multiple heat-conducting plates (290) are fixedly connected to the top and bottom of the multiple semiconductor cooling chips (280). The heat-conducting plates (290) at the top of the semiconductor cooling chips (280) all extend into the interior of the coolant tank (120).

2. A wound-core power transformer according to claim 1, characterized in that: The flow assembly (250) includes a plurality of first flow heat dissipation pipes (251) and second flow heat dissipation pipes (252) that are fixedly connected between the coolant tank (120), the plurality of C-shaped heat dissipation slots (210) and the heat insulation plate (170). The plurality of second flow heat dissipation pipes (252) and the plurality of first flow heat dissipation pipes (251) are staggered. Both ends of the plurality of first flow heat dissipation pipes (251) and the plurality of second flow heat dissipation pipes (252) are located inside the coolant tank (120). A second L-shaped connecting pipe (254) is fixedly connected between one end of the plurality of second flow heat dissipation pipes (252), and a first L-shaped connecting pipe (253) is fixedly connected between one end of the plurality of first flow heat dissipation pipes (251).

3. A wound-core power transformer according to claim 2, characterized in that: The conveying assembly (260) includes two mounting bases (261) that are fixedly connected to the bottom of the inner wall of the coolant tank (120). A conveying cylinder (262) is fixedly connected between the interiors of the two mounting bases (261). A partition is fixedly connected to the inner wall of the conveying cylinder (262). Two piston plates (263) are movably connected inside the conveying cylinder (262). A steering rod (264) is fixedly connected to the opposite side of the two piston plates (263). The opposite ends of the two steering rods (264) extend to the outside of the conveying cylinder (262). A hollow frame (265) is fixedly connected between the ends of the two steering rods (264).

4. A wound-core power transformer according to claim 3, characterized in that: The conveying assembly (260) also includes two inlet check valves (266) that are fixedly connected to the lower part of the outer surface of the conveying cylinder (262). The outer surface of the conveying cylinder (262) is provided with two outlet check valves (267). The two inlet check valves (266) and the two outlet check valves (267) are respectively located on both sides of the partition. One end of each of the two outlet check valves (267) is fixedly connected to a connecting pipe (268). One end of each of the two connecting pipes (268) is connected to the second L-shaped connecting pipe (254) and the first L-shaped connecting pipe (253) respectively.

5. A wound-core power transformer according to claim 4, characterized in that: The drive assembly (270) includes an inner shaft (271) rotatably connected to the front end face of the transformer body (110). The inner shaft (271) is located inside the protective box (140). One end of the inner shaft (271) is fixedly connected to a rotating disk (272). The rotating disk (272) has a movable groove inside. A lifting block (274) is slidably connected inside the movable groove. A drive shaft (275) is fixedly connected to the front end face of the lifting block (274). The drive shaft (275) is movably connected inside the hollow frame (265).

6. A wound-core power transformer according to claim 5, characterized in that: The drive assembly (270) also includes a second motor (277) fixedly connected inside the protective box (140). The output shaft of the second motor (277) is fixedly connected to a drive gear (278). The other end of the inner shaft (271) is fixedly connected to a large gear (276). The outer surface of the large gear (276) meshes with the outer surface of the drive gear (278).

7. A wound-core power transformer according to claim 6, characterized in that: The drive assembly (270) also includes an adjusting screw (273) rotatably connected between the top and bottom of the inner wall of the movable groove. Both ends of the adjusting screw (273) extend to the outside of the rotating disk (272), and the outer surface of the adjusting screw (273) is threadedly connected to the inside of the lifting block (274).

8. A wound-core power transformer according to claim 7, characterized in that: The air supply assembly (240) includes an air inlet hopper (241) fixedly connected to the front end face of a plurality of C-shaped heat dissipation slots (210). The air inlet hopper (241) is located outside one of the first air slots (220). A dustproof net (242) is fixedly connected to the front end face of the air inlet hopper (241). A plurality of fixing plates (243) are fixedly connected inside the air inlet hopper (241). Fan blades (244) are rotatably connected inside the plurality of fixing plates (243). Small conical teeth (245) are fixedly connected to the plurality of fan blades (244).

9. A wound-core power transformer according to claim 8, characterized in that: The air supply assembly (240) also includes a long rod (246) rotatably connected between the top and bottom of the inner wall of the air inlet hopper (241). The outer surface of the long rod (246) is fixedly connected with a plurality of large conical teeth (247). The outer surfaces of the plurality of large conical teeth (247) respectively mesh with a plurality of small conical teeth (245). The bottom of the air inlet hopper (241) is fixedly connected with a first motor (248). The output shaft of the first motor (248) is connected to the bottom end of the long rod (246). The bottom of the air inlet hopper (241) is fixedly connected with a protective cover (249). The first motor (248) is located inside the protective cover (249).

10. A wound-core power transformer according to claim 9, characterized in that: The main module (100) also includes a U-shaped duct (150) fixedly connected to the bottom of the coolant tank (120). The heat-conducting plates (290) at the bottom of the semiconductor cooling chip (280) are all located inside the U-shaped duct (150). A fan (160) is installed at one end of the inner wall of the U-shaped duct (150). An adjustment door (180) is hinged to one side of the front end face of the coolant tank (120).

Images