Heat dissipation power transformer

By using components such as heat sinks, sheds, drainage tanks, sinks and sponge brushes in oil-immersed power transformers, using rainwater for heat conduction and cooling and cleaning of heat sinks, the problem of poor heat dissipation of transformers in the rainy season is solved and the equipment is improved security and reliability.

CN222365447UActive Publication Date: 2025-01-17HANDAN RIO TINTO ELECTRICAL EQUIP MFG CO LTD
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Patent Information

Application Number
CN202323376683.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-12
Publication Date
2025-01-17
Estimated Expiration
2033-12-12

AI Technical Summary

Technical Problem

Under high ambient temperature and humid conditions during the rainy season, the oil-immersed power transformer is limited in heat dissipation, resulting in an increased risk of overheating and leakage accidents.

Method used

A heat dissipation power transformer is designed, using components such as heat dissipation plates, sheds, drainage tanks, water collection tanks, cooling devices and sponge brushes. It uses rainwater to conduct heat conduction and cool down and clean the heat dissipation fins to prevent overheating and leakage.

Benefits of technology

It effectively reduces the temperature of the transformer, prevents aging and leakage accidents of insulating materials, and improves heat dissipation efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heat dissipation power transformer, and relates to the technical field of power transformers. The transformer comprises a transformer box body and a cooling device, a plurality of cooling fins are installed on the peripheral side face of the transformer box body, a cooling plate is installed on the bottom surface of the transformer box body, and the cooling device is arranged on the bottom surface of the cooling plate. By arranging the heat dissipation plate, the shielding shed, the drainage groove, the water collecting groove, the cooling device and the communicating pipe, rainwater can flow into the cooling device through the communicating pipe when there is much rainwater, the heat dissipation plate is cooled under the effect of heat conduction, and the temperature borne by materials is reduced; by arranging the cooling fins, the siphon, the swing rod, the stress plate, the connecting rod and the sponge brush, rainwater can flow out through the siphon to impact the stress plate when there is much rainwater, under the action of the swing rod, the connecting rod on one side of the stress plate drives the sponge brush to move to sweep part of the cooling fins, and the situation that the cooling efficiency is affected due to the fact that the rainwater adheres to the cooling fins is prevented.
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Description

Technical Field

[0001] The utility model belongs to the technical field of power transformers, in particular to a heat dissipation power transformer. Background Art

[0002] Power transformers are mainly divided into dry-type transformers and oil-immersed transformers. Oil-immersed power transformers are devices that use the principle of electromagnetic induction to change AC voltage. The main components are primary coils, secondary coils and iron cores (magnetic cores). The main functions include voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. Oil-immersed transformers have better overload capacity than dry-type transformers. Oil-immersed transformers are mostly placed outdoors and are used in power systems, industrial and mining enterprises, scientific research departments, power generation maintenance departments, etc. to conduct insulation strength tests on various high-voltage electrical equipment, electrical components, and insulating materials under power frequency or DC high voltage.

[0003] The ambient temperature is higher during the rainy season, which affects the heat dissipation of the transformer. When the ambient temperature and the operating temperature of the transformer are greater than the temperature rise value specified by the material, it will cause overheating and accelerate the aging of the insulating material. The rainy season is relatively humid, which is prone to leakage accidents and will also cause overheating. Utility Model Content

[0004] The utility model aims to provide a heat dissipation power transformer to solve the problem that the ambient temperature is high during the rainy season and the heat dissipation of the transformer is affected.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a heat dissipation power transformer, comprising a transformer box and a cooling device, wherein a plurality of heat sinks are installed on the peripheral side surface of the transformer box, a heat sink is installed on the bottom surface of the transformer box, the cooling device is arranged on the bottom surface of the heat sink, and the cooling device comprises a U-shaped tube, wherein a plurality of groups of U-shaped tubes are arranged, and the plurality of groups of U-shaped tubes are connected end to end to form the cooling device, a bracket is installed on the upper surface of the transformer box, a shielding shed is installed on the bracket, water collecting troughs are arranged at both ends of the shielding shed, a plurality of drainage troughs are opened on the outer side surface of the shielding shed, and one end of the drainage trough is connected with the water collecting trough.

[0007] A connecting pipe is provided at the bottom of the water collecting trough at one end of the shelter, a water inlet is provided at one end of the cooling device, and a water outlet is provided at the other end, the water inlet is communicated with the connecting pipe, a water outlet pipe is installed on the outer side of the water outlet, and the water outlet pipe is provided on the outer side of the heat sink; by arranging the heat sink, the shelter, the drainage trough, the water collecting trough, the cooling device and the connecting pipe, it can be achieved that when there is a lot of rain, rainwater is collected into the water collecting trough through the drainage trough on the shelter, and then flows into the cooling device through the connecting pipe, the heat sink is cooled under the action of heat conduction, the temperature of the material is reduced, overheating is prevented, and the aging of the insulating material is accelerated.

[0008] A discharge box is provided at the bottom of the water collection tank at the other end of the shelter, a siphon is provided at the bottom of the discharge box, and swing rods are fixedly connected to both sides of the bottom of the water collection tank, a force plate is elastically connected between the two groups of the swing rods, and one end surface of the force plate is provided directly below the siphon.

[0009] Both sides of the force-bearing plate are fixedly connected with connecting rods, and a sponge brush is installed between the two groups of connecting rods, and one side of the sponge brush is closely attached to the heat sink on one side of the transformer box body; by arranging the heat sink, the shielding shed, the drainage trough, the water collecting trough, the siphon, the swing rod, the force-bearing plate, the connecting rod and the sponge brush, it can be achieved that when there is a lot of rain, the rainwater is collected into the water collecting trough through the drainage trough on the shielding shed, and then enters the discharge box for temporary storage. When the water inside the discharge box accumulates to the amount of water discharged by the siphon, the water in the discharge box is completely discharged through the siphon to hit the force-bearing plate. Under the action of the swing rod, the connecting rod on one side of the force-bearing plate moves with the sponge brush to clean part of the heat sink, so as to prevent rainwater from adhering to the heat sink and affecting the heat dissipation efficiency.

[0010] A base is arranged at the bottom of the transformer box, and the base is arranged at the bottom side of the cooling device; by arranging the base, the transformer box is prevented from being damp and causing leakage accidents.

[0011] The utility model has the following beneficial effects:

[0012] The utility model provides a heat sink, a shielding shed, a drainage trough, a water collecting trough, a cooling device and a connecting pipe, so that when there is a lot of rain, rainwater is collected into the water collecting trough through the drainage trough on the shielding shed, and then flows into the cooling device through the connecting pipe, and the heat sink is cooled under the action of heat conduction, so as to reduce the temperature of the material and prevent overheating and accelerated aging of the insulating material; and the utility model provides a heat sink, a shielding shed, a drainage trough, a water collecting trough, a siphon, a swing rod, a force-bearing plate, a connecting rod, a sponge brush and a discharge box, so that when there is a lot of rain, rainwater is collected into the water collecting trough through the drainage trough on the shielding shed and then enters the discharge box for temporary storage. When the water inside the discharge box accumulates to the amount of water discharged by the siphon, the water in the discharge box is completely discharged through the siphon and hits the force-bearing plate. Under the action of the swing rod, the connecting rod on one side of the force-bearing plate moves with the sponge brush to clean part of the heat sink, so as to prevent rainwater from adhering to the heat sink and affecting the heat dissipation efficiency.

[0013] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of a heat dissipation power transformer;

[0016] Figure 2 It is a front view of a heat dissipation power transformer structure;

[0017] Figure 3 for Figure 1 A magnified image of area A;

[0018] Figure 4 for Figure 1 Enlarged view of area B;

[0019] Figure 5 A partial view of a cooling device for a heat-dissipating power transformer.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Transformer box; 101. Base; 2. Heat sink; 201. Heat sink; 3. Shelter; 31. Bracket; 301. Drainage trough; 302. Water collecting trough; 303. Siphon; 304. Pendulum; 305. Force plate; 306. Connecting rod; 307. Sponge brush; 308. Drain box; 4. Cooling device; 41. Connecting pipe; 42. U-shaped pipe; 43. Water outlet pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limitations on the present invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] See also Figure 1-Figure 5 As shown, the utility model is a heat dissipation power transformer, including a transformer box 1 and a cooling device 4, a plurality of heat sinks 2 are installed on the peripheral side of the transformer box 1, a heat sink 201 is installed on the bottom surface of the transformer box 1, the cooling device 4 is arranged on the bottom surface of the heat sink 201, and the cooling device 4 includes a U-shaped tube 42, and the U-shaped tube 42 is provided with a plurality of groups, and the plurality of groups of U-shaped tubes 42 are connected end to end to form the cooling device 4, a bracket 31 is installed on the upper surface of the transformer box 1, a shielding shed 3 is installed on the bracket 31, water collecting troughs 302 are arranged at both ends of the shielding shed 3, a plurality of drainage grooves 301 are opened on the outer side of the shielding shed 3, and one end of the drainage groove 301 is connected to the water collecting trough 302.

[0026] A connecting pipe 41 is provided at the bottom of the water collecting trough 302 at one end of the shelter 3, a water inlet is provided at one end of the cooling device 4, and a water outlet is provided at the other end, the water inlet is connected to the connecting pipe 41, and a water outlet pipe 43 is installed on the outside of the water outlet, and the water outlet pipe 43 is provided on the outside of the heat sink 201; by arranging the heat sink 201, the shelter 3, the drainage trough 301, the water collecting trough 302, the cooling device 4 and the connecting pipe 41, it can be achieved that when there is a lot of rain, rainwater is collected into the water collecting trough 302 through the drainage trough 301 on the shelter 3, and then flows into the cooling device 4 through the connecting pipe 41, and the heat sink 201 is cooled by heat conduction, thereby reducing the temperature of the material, preventing overheating, and accelerating the aging of the insulating material.

[0027] A discharge box 308 is provided at the bottom of the water collecting trough 302 at the other end of the shelter 3, and a siphon tube 303 is provided at the bottom of the discharge box 308. Both sides of the bottom of the water collecting trough 302 are fixedly connected with swing rods 304, and a force plate 305 is elastically connected between the two sets of swing rods 304. One end face of the force plate 305 is provided directly below the siphon tube 303.

[0028] Both sides of the force-bearing plate 305 are fixedly connected with connecting rods 306, and a sponge brush 307 is installed between the two groups of connecting rods 306. One side of the sponge brush 307 is close to the heat sink 2 on one side of the transformer box 1; by arranging the heat sink 2, the shielding shed 3, the drainage groove 301, the water collecting trough 302, the siphon 303, the swing rod 304, the force-bearing plate 305, the connecting rod 306 and the sponge brush 307, it can be achieved that when there is a lot of rain, the rainwater can flow through the drainage groove 301 on the shielding shed 3. 01 is collected into the water collecting tank 302 and then enters the discharge box 308 for temporary storage. When the water inside the discharge box 308 accumulates to the amount of water for siphon discharge, the water in the discharge box 308 is completely discharged through the siphon tube 303, and hits the force-bearing plate 305. Under the action of the swing rod 304, the connecting rod 306 on one side of the force-bearing plate 305 moves with the sponge brush 307 to clean part of the heat sink 2 to prevent rainwater from adhering to the heat sink 2 and affecting the heat dissipation efficiency.

[0029] A base 101 is provided at the bottom of the transformer box 1 , and the base 101 is provided at the bottom side of the cooling device 4 ; by providing the base 101 , the transformer box 1 is prevented from getting damp and causing leakage accidents.

[0030] like Figure 1-Figure 5The embodiment shown is a method for using a heat dissipation power transformer: when it rains a lot, rainwater is collected into the water collecting trough 302 through the drainage trough 301 on the shelter 3, and then flows into the cooling device 4 through the connecting pipe 41. Under the action of heat conduction, the heat sink 201 is cooled to reduce the temperature of the material, prevent overheating, and accelerate the aging of the insulating material; rainwater simultaneously enters the water collecting trough 302 at the other end, and then enters the drain box 308 for temporary storage. When the water inside the drain box 308 accumulates to the amount of water for siphon discharge, the water in the drain box 308 is completely discharged through the siphon tube 303, and hits the force plate 305. Under the action of the swing rod 304, the connecting rod 306 on one side of the force plate 305 moves with the sponge brush 307 to clean part of the heat sink 2 to prevent rainwater from adhering to the heat sink 2 and affecting the heat dissipation efficiency.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A heat dissipating power transformer, comprising a transformer housing (1) and a cooling device (4), characterized in that: A plurality of heat sinks (2) are installed on the peripheral side surface of the transformer box (1), a heat sink (201) is installed on the bottom surface of the transformer box (1), the cooling device (4) is arranged on the bottom surface of the heat sink (201), and the cooling device (4) comprises a U-shaped tube (42), a plurality of groups of the U-shaped tube (42) are arranged, and the plurality of groups of U-shaped tubes (42) are connected end to end to form the cooling device (4), a bracket (31) is installed on the upper surface of the transformer box (1), a shielding shed (3) is installed on the bracket (31), water collecting grooves (302) are arranged at both ends of the shielding shed (3), a plurality of drainage grooves (301) are opened on the outer side surface of the shielding shed (3), and one end of the drainage groove (301) is connected to the water collecting groove (302).

2. A heat dissipating power transformer according to claim 1, characterized in that: A connecting pipe (41) is provided at the bottom of the water collecting tank (302) at one end of the shelter (3); a water inlet is provided at one end of the cooling device (4) and a water outlet is provided at the other end; the water inlet is connected to the connecting pipe (41); a water outlet pipe (43) is installed outside the water outlet, and the water outlet pipe (43) is provided outside the heat dissipation plate (201).

3. A heat dissipating power transformer according to claim 2, characterized in that: A drainage box (308) is provided at the bottom of the water collecting trough (302) at the other end of the shelter (3), a siphon (303) is provided at the bottom of the drainage box (308), and swing rods (304) are fixedly connected to both sides of the bottom of the water collecting trough (302), a force plate (305) is elastically connected between two groups of the swing rods (304), and one end surface of the force plate (305) is provided directly below the siphon (303).

4. A heat dissipating power transformer according to claim 3, characterized in that: Connecting rods (306) are fixedly connected to both sides of the force-bearing plate (305), a sponge brush (307) is installed between two groups of connecting rods (306), and one side of the sponge brush (307) is closely attached to the heat sink (2) on one side of the transformer box (1).

5. A heat dissipating power transformer according to claim 1, characterized in that: A base (101) is provided at the bottom of the transformer box (1), and the base (101) is arranged on the bottom side of the temperature reduction device (4).