A transformer with high-efficiency heat dissipation

Abstract

The application discloses a transformer with high-efficiency heat dissipation, and relates to the field of transformer heat dissipation, which comprises a transformer oil tank, heat dissipation components for heat dissipation are fixedly installed on the two sides of the transformer oil tank, the heat dissipation components comprise heat insulation shells and condensation shells, a plurality of evaporation shells are fixedly installed in the heat insulation shells, a support top plate is fixedly installed at the top end of the transformer oil tank, the condensation shells are slidingly installed between the transformer oil tank and the support top plate, a plurality of condensation fins are fixedly installed on the upper end of the condensation shells, a liquid return pipe is fixedly connected to the bottom end of the condensation shells, and a shunt shell is arranged on one side of the condensation shells. The independent gas collecting pipe and the vapor shunt pipe are used as the vapor upward channel, the independent liquid return pipe and the backflow shunt pipe are used as the liquid downward channel, the gas and liquid are completely shunted, the gas-liquid counterflow interference is fundamentally eliminated, the refrigerant circulation flow is improved, and the cooling efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of transformer heat dissipation, specifically to a transformer with high-efficiency heat dissipation. Background Technology

[0002] Patent CN114709052B discloses a high-efficiency heat dissipation device for an oil-immersed transformer, comprising: a base on which a transformer body is mounted; a heat dissipation mechanism, wherein multiple heat dissipation mechanisms are arranged in a row and penetrate the transformer body and are connected to it; each heat dissipation mechanism includes a mounting ring, which is fixedly connected to the front end face of the transformer body and is inclined, with one end of the mounting ring inside the transformer body located below the other end; a conduit is connected inside the mounting ring, and a heat-conducting ball is fixedly connected to the end of the conduit inside the transformer body and communicates with it, wherein a low-boiling-point working fluid with evaporation function is injected into the heat-conducting ball. When the above scheme is in use, the heat-conducting sphere is located inside the transformer oil to absorb heat, and then the refrigerant evaporates into vapor. The vapor enters the condensation chamber along the conduit for condensation. The condensed liquid droplets are collected and flow back into the heat-conducting sphere from the conduit. The vapor and liquid return flow share the same conduit.

[0003] The above solution has the following drawbacks: the vapor and the returning liquid share the same conduit. Because the heat-conducting sphere has an evaporation effect, the internal pressure of the heat-conducting sphere is often relatively high. The vapor is pushed by the pressure through the conduit into the condensing chamber, which causes the returning liquid to be pushed back into the condensing chamber by the gas. Furthermore, because the vapor is at a high temperature, after contacting the cooled refrigerant in the conduit, the refrigerant may directly absorb the heat of the returning refrigerant, which will prevent the vapor from reaching the condensing chamber and the liquid refrigerant from reaching the heat-conducting sphere. As a result, the condensation efficiency will be greatly reduced in some extreme high-temperature weather.

[0004] Therefore, it is necessary to provide a transformer with efficient heat dissipation to solve the above-mentioned technical problems. Summary of the Invention

[0005] The purpose of this invention is to provide a transformer with efficient heat dissipation to solve the problems mentioned in the background art.

[0006] A transformer with high-efficiency heat dissipation includes a transformer tank. Heat dissipation components are fixedly installed on both sides of the transformer tank. Each heat dissipation component includes a heat insulation shell and a condenser shell. Multiple evenly distributed evaporator shells are fixedly installed inside the heat insulation shell. A support top plate is fixedly installed at the top of the transformer tank. The condenser shell is slidably installed between the transformer tank and the support top plate. Multiple evenly distributed condenser fins are fixedly installed at the upper end of the condenser shell. A return pipe is fixedly connected to the bottom end of the condenser shell. A flow divider shell is provided on one side of the condenser shell. Multiple steam flow dividers communicating with corresponding condenser fins are fixedly installed on the flow divider shell. A gas collecting pipe is fixedly installed at the lower end of the flow divider shell. The gas collecting pipe communicates with the tops of the multiple evaporator shells. Adjacent upper and lower evaporator shells are connected by convection pipes. A check valve shell is fixedly installed on the side of the return pipe near the flow divider shell. The check valve shell is fixedly connected to the uppermost multiple evaporator shells by a return flow divider pipe.

[0007] Furthermore, the condenser fins are hollow structures, and a return cloth is fixedly connected inside the condenser fins. The lower end of the return cloth is located inside the condenser shell. The interiors of the multiple evaporator shells are filled with refrigerant, and the interior of the condenser shell is also filled with refrigerant. The exteriors of the distribution shell, the gas collecting pipe, and the steam distribution pipe are all covered with thermal insulation material. A windbreak plate is fixedly installed on the side of the distribution shell away from the condenser shell.

[0008] Furthermore, a centrifugal fan is provided on one side of the transformer oil tank, and an air inlet pipe is detachably installed at the output end of the centrifugal fan. A tail pipe is provided on the side of the support top plate away from the air inlet pipe. The air inlet pipe, the support top plate, and the tail pipe form the main air duct. The air inlet pipe and the tail pipe are respectively fixedly installed on two corresponding heat dissipation components. The diversion shell is fixedly installed on the heat insulation shell. The diversion shells corresponding to the two heat dissipation components are located inside the air inlet pipe and the tail pipe, respectively.

[0009] Furthermore, a check plate for sealing the return pipe is slidably installed inside the check housing, and a hollow bracket is fixedly installed at the bottom inside the check housing. A check spring is fixedly connected between the check plate and the hollow bracket.

[0010] Furthermore, multiple heat dissipation fins for heat dissipation are fixedly installed on both sides of the transformer oil tank, and a reinforcing bracket is fixedly connected between the multiple heat dissipation fins. A closed baffle is slidably installed in the reinforcing bracket, and an air duct is formed between the multiple reinforcing brackets and the closed baffle. A collection shell is fixedly installed on both sides of the transformer oil tank corresponding to the reinforcing brackets. The collection shell is connected to the branch air duct. Multiple heat dissipation chambers corresponding to the evaporation shell are opened on the transformer oil tank.

[0011] Furthermore, the tailpipe is fixedly connected to a throat, an air inlet, and an air outlet. The air inlet is located on the side of the throat closer to the centrifugal fan, and the air outlet is located on the side of the throat away from the air inlet. The inner diameter of the air inlet gradually decreases from the end closest to the throat to the end closest to the throat, and the inner diameter of the air outlet gradually increases from the end furthest from the air inlet to the end closest to the throat.

[0012] Furthermore, a suction pipe is fixedly installed above the two collection housings. A drainage pipe is detachably installed at one end of the suction pipe near the tail pipe. The end of the drainage pipe extends into the interior of the throat pipe, and the end of the drainage pipe extending into the throat pipe has a beveled surface.

[0013] Furthermore, the internal sliding housing of the diverter housing is equipped with a piston plate, and the external upper surface of the diverter housing is provided with multiple receiving cavities. Each receiving cavity has a whistle, and a sliding frame is fixedly installed on the whistle. The sliding frame passes through the gas collecting pipe and is fixedly installed on the piston plate. Multiple pressure limiting rods are fixedly installed on the piston plate. The internal sliding housing of the gas collecting pipe is equipped with a pressure limiting block corresponding to the pressure limiting rod. A pressure limiting spring is fixedly connected between the pressure limiting block and the gas collecting pipe. The ends of the pressure limiting rod and the pressure limiting block that are close to each other have mutually cooperating inclined surfaces.

[0014] Furthermore, impellers are rotatably mounted on both sides of the gas collecting pipe, and a central rotating shaft is fixedly mounted in the middle of the impeller. The central rotating shaft is rotatably locked inside the gas collecting pipe, and a limiting slider is slidably locked inside the gas collecting pipe at a position corresponding to the central rotating shaft. A stop spring is fixedly connected between the limiting slider and the gas collecting pipe. Multiple annularly distributed stop grooves are opened on the central rotating shaft, and the middle of the limiting slider has a separation groove that cooperates with the pressure limiting rod.

[0015] Furthermore, a micro generator is fixedly installed at the end of the impeller away from the air collecting pipe. The input end of the micro generator is fixedly connected to the impeller. Adjustment devices are fixedly installed on both sides of the inside of the air inlet pipe. The adjustment devices are electrically connected to the micro generator. Warning lights are fixedly installed on both sides of the outside of the air inlet pipe. The warning lights are electrically connected to the adjustment devices. The adjustment devices have a surface-mount rectifier bridge, a current-limiting resistor, an electrolytic capacitor, and a Zener diode inside to stabilize the voltage and current input of the warning lights.

[0016] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention uses an independent gas collecting pipe and a vapor diversion pipe as the vapor upward channel, and an independent liquid return pipe plus a return diversion pipe as the liquid downward channel, to achieve complete gas-liquid separation, fundamentally eliminating gas-liquid backflow interference, increasing the refrigerant circulation flow rate, and thus improving cooling efficiency. 2. The gas-liquid separation channel of the present invention prevents high-temperature steam from contacting low-temperature liquid, completely eliminating ineffective heat exchange inside the pipe. Even in extreme high-temperature weather, the heat dissipation efficiency can still maintain the rated value and will not cause "air blockage" due to high-temperature weather. 3. The main air duct uniformly cools the condenser fins of the phase change system. At the same time, the Venturi effect of the tailpipe throat is used to create negative pressure, which automatically draws in the hot air from the side heat dissipation fins to form branch air ducts. This achieves 360° full coverage heat dissipation around the transformer oil tank without the need for additional fans, completely solving the problem of local overheating in traditional heat dissipation structures. 4. A double-layered woven recirculation cloth is installed inside the hollow condenser fins. It quickly adsorbs condensate droplets on the wall surface through capillary action, completely solving the "liquid film thermal resistance" problem of traditional hollow fins. At the same time, the combined action of vapor flow thrust and gravity accelerates the dripping and recirculation of liquid refrigerant, thereby increasing the refrigerant circulation speed. The vapor can also push the droplets in the recirculation cloth to drip down faster, further improving the recirculation efficiency. 5. Relying on the naturally formed micro-positive pressure on the condensing side to drive the liquid refrigerant back to the evaporating side, the circulation pump required by the traditional phase change heat dissipation system is completely eliminated, greatly simplifying the system structure and reducing the number of failure points; the check plate can automatically block the return pipe to prevent the reverse flow of vapor at low load, ensuring the circulation stability of the transformer under all operating conditions from no-load to full load. 6. When a heat dissipation failure causes an abnormal increase in system pressure, the system automatically triggers a whistle alarm and simultaneously releases the impeller to drive the micro generator to illuminate the warning light. No external power supply is required throughout the process, and the system can still operate normally even when the transformer is de-energized. The dual audible and visual alarms can help maintenance personnel quickly locate faulty equipment in large substations, preventing equipment damage and safety accidents caused by overheating. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the heat dissipation fins and the closed baffle in this invention; Figure 3 This is a schematic diagram of the connection structure between the heat dissipation component and the top plate of the bracket in this invention; Figure 4 This is a schematic diagram of the heat dissipation component in this invention; Figure 5 This is a cross-sectional view of the condenser shell in this invention; Figure 6 This is a cross-sectional view of the check valve housing of the present invention; Figure 7 This is a schematic diagram of the tailpipe structure in this invention; Figure 8 This is a schematic diagram of the flow-diverting housing in this invention; Figure 9This is a cross-sectional view of the flow divider housing in this invention; Figure 10 This is a schematic diagram of the impeller structure in this invention.

[0018] In the diagram: 1. Transformer oil tank; 2. Heat dissipation components; 3. Heat dissipation fins; 4. Tailpipe; 5. Centrifugal fan; 11. Support top plate; 12. Heat dissipation chamber; 21. Insulation shell; 22. Evaporator shell; 23. Condenser shell; 24. Diverter shell; 25. Check valve shell; 31. Sealing baffle; 32. Collection shell; 33. Suction duct; 41. Throat; 42. Air inlet; 43. Air outlet; 51. Air inlet pipe; 221. Convection pipe; 231. Condenser fins; 232. Return liquid pipe; 233. Return cloth; 240. Piston plate; 241. Gas collecting pipe; 24 2. Steam diversion pipe; 243. Receiving chamber; 244. Impeller; 245. Micro generator; 246. Limiting slider; 247. Pressure limiting block; 248. Air breaker; 251. Return diversion pipe; 252. Check valve; 253. Hollow bracket; 254. Check spring; 301. Reinforcing bracket; 331. Drain pipe; 2401. Pressure limiting rod; 2431. Wind whistle; 2441. Central rotating shaft; 2442. Stop groove; 2451. Adjustment device; 2452. Warning light; 2461. Separation groove; 2462. Stop spring; 2471. Pressure limiting spring. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please see Figure 1-10This invention provides a transformer technology solution with high-efficiency heat dissipation: A transformer with high-efficiency heat dissipation includes a transformer tank 1. Heat dissipation components 2 are fixedly installed on both sides of the transformer tank 1. Each heat dissipation component 2 includes a heat insulation shell 21 and a condensation shell 23. Multiple evenly distributed evaporation shells 22 are fixedly installed inside the heat insulation shell 21. A support top plate 11 is fixedly installed at the top of the transformer tank 1. Multiple heat dissipation chambers 12 corresponding to the evaporation shells 22 are opened on the transformer tank 1. The condensation shell 23 is slidably installed between the transformer tank 1 and the support top plate 11. Multiple evenly distributed condensation fins 231 are fixedly installed at the upper end of the condensation shell 23. A return pipe 232 is fixedly connected to the bottom end of the condensation shell 23. A distribution fin is provided on one side of the condensation shell 23. The flow housing 24 has multiple vapor distribution pipes 242 fixedly installed on it, which are connected to the corresponding condenser fins 231. A gas collecting pipe 241 is fixedly installed at the lower end of the flow housing 24. The gas collecting pipe 241 is connected to the top of multiple evaporation housings 22. Two adjacent evaporation housings 22 are connected by convection pipes 221. A check housing 25 is fixedly installed on the side of the return pipe 232 near the flow housing 24. The check housing 25 is fixedly connected to the uppermost multiple evaporation housings 22 by return distribution pipes 251. A check plate 252 for blocking the return pipe 232 is slidably installed inside the check housing 25. A hollow bracket 253 is fixedly installed at the bottom of the inside of the check housing 25. A check spring 254 is fixedly connected between the check plate 252 and the hollow bracket 253. The condenser fins 231 have a hollow structure. A return cloth 233 is fixedly connected inside the condenser fins 231. The lower end of the return cloth 233 is located inside the condenser shell 23. The interiors of multiple evaporator shells 22 are filled with refrigerant. The interior of the condenser shell 23 is also filled with refrigerant. The exteriors of the distribution shell 24, the gas collecting pipe 241, and the steam distribution pipe 242 are all covered with thermal insulation material. A windbreak plate 248 is fixedly installed on the side of the distribution shell 24 away from the condenser shell 23. The windbreak plate 248 is used to reduce the impact of high-speed airflow on the distribution shell 24, to break the airflow, and to improve stability. Since the distribution shell 24 and the condenser shell 23 are located on the same horizontal plane, the windbreak plate 248 will not affect the cooling efficiency of the condenser fins 231.

[0021] Please refer to Figure 3 and Figure 4During use, the transformer oil inside the transformer tank 1 absorbs heat, and the heat is conducted to the evaporator shell 22 through the heat dissipation chamber 12. The evaporator shell 22 absorbs heat and then the refrigerant inside evaporates. The vapor then enters the interior of the distribution shell 24 through the gas collecting pipe 241. The distribution shell 24 distributes the gas evenly to each vapor distribution pipe 242, and then the vapor distribution pipe 242 delivers it to the condenser fins 231. Because the condenser fins 231 are hollow, the gas will enter the interior of the condenser fins 231. The condenser fins 231 are preferably made of copper, and the centrifugal fan 5 can blow air to cool the condenser fins 231. The vapor condenses on the inner wall of the condenser fins 231. Then the condensed liquid droplets are absorbed by the return cloth 233 to prevent them from sticking to the inner wall of the condenser fins 231 and causing a decrease in heat transfer efficiency. Because the vapor enters from above the condenser fins 231, it pushes the liquid droplets absorbed inside the return cloth 233 down and drips into the condenser shell 23, accelerating the recovery efficiency of the liquid refrigerant. Moreover, the return cloth 233 is made of double-layer woven cloth, which is woven with warp and weft. The warp and weft weaving is used to form a uniform channel between the two layers of woven cloth. The return cloth is made of refrigerant-resistant fiber material. After the liquid is absorbed by the return cloth 233, it can be better pushed by the vapor and drained by its own gravity. As condensation proceeds, the liquid inside the condenser shell 23 gradually increases, and as vapor continuously flows into the condenser shell 23, a slightly positive pressure is generated inside the condenser shell 23. Consequently, the liquid refrigerant inside the condenser shell 23 is pushed along the return pipe 232 into the check shell 25. At this time, the check plate 252 is pushed down and compresses the check spring 254, and finally flows back to the uppermost evaporator shell 22 through the return diversion pipe 251. The upper evaporator shell 22 and the adjacent lower evaporator shell 22 are connected by convection pipes 221. Through the principle of communicating vessels, the refrigerant volume between multiple evaporator shells 22 gradually becomes level. When the transformer is first put into use, the heating efficiency is not high and the evaporation rate of the refrigerant is low. At this time, the condenser shell 23 is not enough to generate backflow pressure. At this time, the check plate 252 is pushed to close the bottom of the return pipe 232 to prevent the vapor from flowing back. The check plate 252 can also prevent the refrigerant from flowing inside the condenser shell 23 under normal conditions. It should be noted that: the volume of refrigerant filling the evaporator shell 22 is approximately 30%-45% of the total volume of each evaporator shell 22, and the volume of refrigerant filling the condenser shell 23 is approximately 15% of its total volume. The external insulation material covering the distribution shell 24, the gas collecting pipe 241, and the steam distribution pipe 242 is to prevent the steam from cooling down prematurely and liquefying in non-target areas, which would cause liquid refrigerant to block the pipes at bends and ends. The condenser fins 231 are made of copper, which can significantly improve heat exchange efficiency. The insulation shell 21 is used to isolate the external ambient temperature from the evaporator shell 22 to prevent the external high temperature from affecting the evaporator shell 22.

[0022] A centrifugal fan 5 is provided on one side of the transformer oil tank 1. An air inlet pipe 51 is detachably installed at the output end of the centrifugal fan 5. A tail pipe 4 is provided on the side of the support top plate 11 away from the air inlet pipe 51. The air inlet pipe 51, the support top plate 11 and the tail pipe 4 form the main air duct. The air inlet pipe 51 and the tail pipe 4 are respectively fixedly installed on two corresponding heat dissipation components 2. The diversion shell 24 is fixedly installed on the heat insulation shell 21. The diversion shells 24 corresponding to the two heat dissipation components 2 are located inside the air inlet pipe 51 and the tail pipe 4, respectively.

[0023] As the air inlet duct 51 approaches the top plate 11 of the support, its inner diameter gradually increases. The centrifugal fan 5 blows high-speed airflow, causing it to enter the area below the top plate 11 of the support through the air inlet duct 51. At this point, because the inner diameter of the duct increases sharply, the flow velocity will decrease and fill the entire main air duct, forming a uniform airflow. This prevents the local gas velocity from being too high, which could lead to different condensation efficiencies among the multiple condensing fins 231 and poor local condensation.

[0024] Multiple heat dissipation fins 3 are fixedly installed on both sides of the transformer oil tank 1. Reinforcing brackets 301 are fixedly connected between the multiple heat dissipation fins 3, and a sealing baffle 31 is slidably engaged within the reinforcing bracket 301. An air duct is formed between the multiple reinforcing brackets 301 and the sealing baffle 31. Collection housings 32 are fixedly installed on both sides of the transformer oil tank 1 corresponding to the reinforcing brackets 301, and the collection housings 32 are connected to the branch air ducts.

[0025] The heat dissipation fins 3 are located on both sides adjacent to the two heat dissipation components 2. One end of the heat dissipation fins 3 is located inside the transformer oil tank 1, cooling the transformer oil on the other two sides. Together with the heat dissipation components 2, the transformer oil tank 1 can be cooled evenly around its circumference.

[0026] The tailpipe 4 is composed of a throat 41, an air inlet 42, and an air outlet 43, all fixedly connected. The air inlet 42 is located on the side of the throat 41 closest to the centrifugal fan 5, and the air outlet 43 is located on the side of the throat 41 furthest from the air inlet 42. The inner diameter of the air inlet 42 gradually decreases from the end furthest from the throat 41. The inner diameter of the air outlet 43 gradually increases from the end furthest from the air inlet 42. Suction pipes 33 are fixedly installed above the two collection housings 32, and a drain pipe 331 is detachably installed at the end of the suction pipe 33 closest to the tailpipe 4. All detachable connections described herein can be, but are not limited to, screw and nut connections. The end of the drain pipe 331 extends into the interior of the throat 41, and the end of the drain pipe 33 extending into the throat 41 has a beveled surface.

[0027] Please refer to Figure 3 and Figure 7 Multiple heat dissipation fins 3 are enclosed by a sealing baffle 31, forming a semi-enclosed branch air duct. When airflow passes through the top plate 11 of the support, it is first guided by the air inlet 42 into the throat 41. Because the inner diameter of the throat 41 is reduced, the airflow has a higher velocity at the throat 41, and the end of the guide pipe 331 extends into the center of the throat 41, where the airflow velocity is the highest. Furthermore, the guide pipe 331 is obliquely cut along the airflow direction, further increasing the contact area between the end of the guide pipe 331 and the airflow, thereby increasing the negative pressure effect. The airflow is drawn into the throat 41 through the suction pipe 33 and the collection shell 32. The airflow enters from below the heat dissipation fins 3 and flows out from above the heat dissipation fins 3, entering the collection shell 32. Using an air duct allows for higher overall utilization of the heat dissipation fins 3, greatly increasing heat dissipation efficiency compared to direct exposure to air.

[0028] Because some air is drawn in through the drain pipe 331, the throat 41 has a higher airflow rate. Increasing the inner diameter of the exhaust end 43 when the exhaust gas is discharged can eliminate the whistling sound caused by the high airflow, reduce its flow rate, reduce device vibration, and increase the lifespan of various connecting parts.

[0029] The internal sliding mechanism of the diversion housing 24 is fitted with a piston plate 240. The external upper surface of the diversion housing 24 has multiple receiving cavities 243. Inside each receiving cavity 243 is a whistle 2431. A sliding frame is fixedly installed on the whistle 2431. The sliding frame passes through the air collecting pipe 241 and is fixedly installed on the piston plate 240. Multiple pressure limiting rods 2401 are fixedly installed on the piston plate 240. The internal sliding mechanism of the air collecting pipe 241 is fitted with a pressure limiting block 247 corresponding to the pressure limiting rod 2401. A pressure limiting spring 2471 is fixedly connected between the pressure limiting block 247 and the air collecting pipe 241. The ends of the pressure limiting rod 2401 and the pressure limiting block 247 that are close to each other have mutually cooperating inclined surfaces.

[0030] Please refer to Figure 9 and Figure 10 Under normal conditions, the pressure limiting rod 2401 is blocked by the inclined surface of the pressure limiting block 247. Gas enters from below the piston plate 240 and exits from one side of the piston plate 240. When the transformer is overloaded or the external ambient temperature is too high, a large amount of vapor that cannot be condensed smoothly will accumulate inside the condenser fins 231, which will increase the overall pressure inside the heat dissipation component 2 until the pressure exceeds the critical point. At this time, the pressure limiting rod 2401 breaks through the resistance of the pressure limiting block 247, the pressure limiting spring 2471 is compressed, the pressure limiting block 247 is pushed and slid by the pressure limiting rod 2401, and the piston plate 240 rises, which increases the volume of the chamber below the piston plate 240, thereby preventing excessive pressure from causing local damage to the device.

[0031] Furthermore, when the piston plate 240 rises, it will push the whistle 2431 out of the housing cavity 243. At this time, the airflow will pass through the whistle 2431 to generate a sound, reminding the staff that the transformer has a heat dissipation failure, so as to avoid the device being damaged due to excessive temperature, which could lead to refrigerant leakage and affect the environment and surrounding personnel.

[0032] Impellers 244 are rotatably mounted on both sides of the gas collecting pipe 241. A central rotating shaft 2441 is fixedly mounted in the middle of the impellers 244. The central rotating shaft 2441 is rotatably locked inside the gas collecting pipe 241. A limiting slider 246 is slidably locked inside the gas collecting pipe 241 at a position corresponding to the central rotating shaft 2441. A stop spring 2462 is fixedly connected between the limiting slider 246 and the gas collecting pipe 241. Multiple annularly distributed stop grooves 2442 are opened on the central rotating shaft 2441. The middle of the limiting slider 246 has a separation groove 2461 that cooperates with the pressure limiting rod 2401. A micro generator 245 is fixedly installed at the end of the air collection pipe 241 away from the impeller 244. The input end of the micro generator 245 is fixedly connected to the impeller 244. An adjustment device 2451 is fixedly installed on both sides of the air inlet pipe 51. The adjustment device 2451 is electrically connected to the micro generator 245. A warning light 2452 is fixedly installed on both sides of the outside of the air inlet pipe 51. The warning light 2452 is electrically connected to the adjustment device 2451. The adjustment device 2451 has a surface-mount rectifier bridge, a current-limiting resistor, an electrolytic capacitor, and a Zener diode inside to stabilize the voltage and current input of the warning light 2452.

[0033] In factories where many transformers are used together, such as inside large substations, if multiple transformers suffer from heat dissipation failure or the site is too large to accurately pinpoint the exact location of the sound, other solutions are needed to assist in identification.

[0034] When this device is in use, if the air pressure is too high and causes a sudden increase in the internal pressure, the pressure limiting rod 2401 disengages from the limiting spring 2471 and continues to rise until it enters the separation groove 2461. The inclined surface on the pressure limiting rod 2401 pushes the separation groove 2461 and the limiting slider 246 away from the central rotating shaft 2441. At this time, the impeller 244 is released, and the airflow drives the impeller 244 to rotate. The impeller 244 drives the micro generator 245 to generate electricity. However, due to the magnitude and fluctuation of the gas flow rate, the generated voltage is unstable. Therefore, an adjusting device 2451 is used to convert the AC power generated by the micro generator 245 into DC power and stabilize its voltage to prevent the warning light 2452 from flashing. This achieves a dual audible and visual alarm, which is more obvious and further ensures the safety of the device.

[0035] The above are merely preferred embodiments of the present invention; however, the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and its improved concept, should be covered within the scope of protection of the present invention.

Claims

1. A transformer with high-efficiency heat dissipation, comprising a transformer tank (1), characterized in that: The transformer tank (1) is fixedly equipped with heat dissipation components (2) on both sides. The heat dissipation components (2) include a heat insulation shell (21) and a condensation shell (23). Multiple evenly distributed evaporation shells (22) are fixedly installed inside the heat insulation shell (21). A support top plate (11) is fixedly installed at the top of the transformer tank (1). The condensation shell (23) is slidably installed between the transformer tank (1) and the support top plate (11). Multiple evenly distributed condensation fins (231) are fixedly installed at the upper end of the condensation shell (23). A return pipe (232) is fixedly connected to the bottom end of the condensation shell (23). A flow divider housing (24) is provided on one side of the flow divider housing (23). Multiple vapor flow divider pipes (242) connected to the corresponding condenser fins (231) are fixedly installed on the flow divider housing (24). A gas collecting pipe (241) is fixedly installed at the lower end of the flow divider housing (24). The gas collecting pipe (241) is connected to the top of multiple evaporator housings (22). Two adjacent evaporator housings (22) are connected by a convection pipe (221). A check valve housing (25) is fixedly installed on the side of the return pipe (232) near the flow divider housing (24). The check valve housing (25) is fixedly connected to the uppermost multiple evaporator housings (22) by a return flow divider pipe (251).

2. The transformer with high-efficiency heat dissipation according to claim 1, characterized in that: The condenser fins (231) are hollow structures. A return cloth (233) is fixedly connected inside the condenser fins (231). The lower end of the return cloth (233) is located inside the condenser shell (23). The interiors of the multiple evaporator shells (22) are filled with refrigerant. The interior of the condenser shell (23) is also filled with refrigerant. The exteriors of the distribution shell (24), the gas collecting pipe (241), and the steam distribution pipe (242) are all covered with heat-insulating material. A windbreak plate (248) is fixedly installed on the side of the distribution shell (24) away from the condenser shell (23).

3. A transformer with high-efficiency heat dissipation according to claim 2, characterized in that: A centrifugal fan (5) is provided on one side of the transformer oil tank (1). An air inlet pipe (51) is detachably installed at the output end of the centrifugal fan (5). A tail pipe (4) is provided on the side of the bracket top plate (11) away from the air inlet pipe (51). The air inlet pipe (51), the bracket top plate (11) and the tail pipe (4) form the main air duct. The air inlet pipe (51) and the tail pipe (4) are respectively fixedly installed on two corresponding heat dissipation components (2). The diversion shell (24) is fixedly installed on the heat insulation shell (21). The diversion shells (24) corresponding to the two heat dissipation components (2) are located inside the air inlet pipe (51) and the tail pipe (4) respectively.

4. A transformer with high-efficiency heat dissipation according to claim 3, characterized in that: The check housing (25) is slidably installed with a check plate (252) for sealing the return pipe (232). A hollow bracket (253) is fixedly installed at the bottom of the inside of the check housing (25). A check spring (254) is fixedly connected between the check plate (252) and the hollow bracket (253).

5. A transformer with high-efficiency heat dissipation according to claim 4, characterized in that: Multiple heat dissipation fins (3) for heat dissipation are fixedly installed on both sides of the transformer oil tank (1). Reinforcing brackets (301) are fixedly connected between the multiple heat dissipation fins (3). A sealing baffle (31) is slidably installed in the reinforcing bracket (301). An air duct is formed between the multiple reinforcing brackets (301) and the sealing baffle (31). A collection shell (32) is fixedly installed on both sides of the transformer oil tank (1) and the reinforcing bracket (301). The collection shell (32) is connected to the branch air duct. Multiple heat dissipation chambers (12) corresponding to the evaporation shell (22) are opened on the transformer oil tank (1).

6. A transformer with high-efficiency heat dissipation according to claim 5, characterized in that: The tailpipe (4) is fixedly connected to a throat (41), an air inlet (42) and an air outlet (43). The air inlet (42) is located on the side of the throat (41) close to the centrifugal fan (5), and the air outlet (43) is located on the side of the throat (41) away from the air inlet (42). The inner diameter of the air inlet (42) gradually decreases from the end close to the throat (41) to the end close to the throat (41), and the inner diameter of the air outlet (43) gradually increases from the end away from the air inlet (42) to the end close to the throat (41).

7. A transformer with high-efficiency heat dissipation according to claim 6, characterized in that: A suction pipe (33) is fixedly installed above the two collection housings (32). A drain pipe (331) is detachably installed at one end of the suction pipe (33) near the tail pipe (4). The end of the drain pipe (331) extends into the interior of the throat pipe (41). The end of the drain pipe (331) extending into the throat pipe (41) has a beveled surface.

8. A transformer with high-efficiency heat dissipation according to claim 7, characterized in that: The internal sliding mechanism of the diversion housing (24) is provided with a piston plate (240). The external upper surface of the diversion housing (24) is provided with multiple storage cavities (243). The storage cavity (243) has a whistle (2431) inside. A sliding frame is fixedly installed on the whistle (2431). The sliding frame passes through the gas collection pipe (241) and is fixedly installed on the piston plate (240). Multiple pressure limiting rods (2401) are fixedly installed on the piston plate (240). The internal sliding mechanism of the gas collection pipe (241) is provided with a pressure limiting block (247) corresponding to the pressure limiting rod (2401). A pressure limiting spring (2471) is fixedly connected between the pressure limiting block (247) and the gas collection pipe (241). The ends of the pressure limiting rod (2401) and the pressure limiting block (247) that are close to each other have mutually cooperating inclined surfaces.

9. A transformer with high-efficiency heat dissipation according to claim 8, characterized in that: Impellers (244) are rotatably mounted on both sides of the gas collecting pipe (241). A central rotating shaft (2441) is fixedly mounted in the middle of the impeller (244). The central rotating shaft (2441) is rotatably locked inside the gas collecting pipe (241). A limiting slider (246) is slidably locked inside the gas collecting pipe (241) at a position corresponding to the central rotating shaft (2441). A stop spring (2462) is fixedly connected between the limiting slider (246) and the gas collecting pipe (241). Multiple annularly distributed stop grooves (2442) are opened on the central rotating shaft (2441). The middle of the limiting slider (246) has a separation groove (2461) that cooperates with the pressure limiting rod (2401).

10. A transformer with high-efficiency heat dissipation according to claim 9, characterized in that: A micro generator (245) is fixedly installed at the end of the impeller (244) away from the air collecting pipe (241). The input end of the micro generator (245) is fixedly connected to the impeller (244). An adjustment device (2451) is fixedly installed on both sides of the inside of the air inlet pipe (51). The adjustment device (2451) is electrically connected to the micro generator (245). A warning light (2452) is fixedly installed on both sides of the outside of the air inlet pipe (51). The warning light (2452) is electrically connected to the adjustment device (2451). The adjustment device (2451) has a surface-mount rectifier bridge, a current-limiting resistor, an electrolytic capacitor, and a Zener diode inside to stabilize the voltage and current input of the warning light (2452).

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