CN219180321U

CN219180321U - Compact oil immersed transformer

Info

Publication number: CN219180321U
Application number: CN202222769789.XU
Authority: CN
Inventors: 马晓璐
Original assignee: Jiangsu Yinlong Electric Co ltd
Current assignee: Jiangsu Yinlong Electric Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-06-13
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a compact oil immersed transformer, which relates to the field of power equipment and comprises a shell, wherein a transformer body is inserted into the shell, a cooling channel is formed in the inner wall of the shell, a water inlet pipe is fixedly connected below one side of the inner wall of the cooling channel, a water drain pipe is fixedly connected to the lower surface of the other side of the inner wall of the cooling channel, cooling ports are formed in the front side and the rear side of the inner wall of the cooling channel, silver aluminum plates are fixedly connected to the inner walls of the two cooling ports, and condensation plates in contact with the corresponding silver aluminum plates are fixedly connected to the front surface and the rear surface of the shell. According to the utility model, water flow is added into the outer shell of the oil-immersed transformer, so that the situation that fire spreads when the oil-immersed transformer breaks out is prevented, and the oil-immersed transformer can be cooled in the normal use process, so that the situation that the temperature is too high when the oil-immersed transformer is used for a long time is prevented.

Description

Compact oil immersed transformer

Technical Field

The utility model relates to the field of power equipment, in particular to a compact oil-immersed transformer.

Background

The distribution transformer is one of important equipment in industrial and mining enterprises and civil building power supply and distribution systems, and reduces the voltage of a 10 (6) kV or 35kV network to 230/400V bus voltage used by users, the product is suitable for alternating current 50 (60) Hz, three-phase maximum rated capacity 2500kVA (single-phase maximum rated capacity 833kVA, which is not recommended to use a single-phase transformer generally), the distribution transformer can be used indoors (outdoors), the capacity can be mounted on a rod when the capacity is 315kVA or below, the ambient temperature is not higher than 40 ℃, not lower than-25 ℃, the average highest daily temperature is 30 ℃, the average highest annual temperature is 20 ℃, the relative humidity is not higher than 90% (the ambient temperature is 25 ℃), the altitude is not higher than 1000m, and if the service condition is not consistent with the service condition, the distribution transformer is regulated according to the relevant regulations of GB 6450-86.

At present, an oil-immersed transformer is widely applied to circuit engineering as long-term power transformation equipment, and a large amount of heat is often generated in the use process of the existing oil-immersed transformer, and the heat can cause the situation that the oil-immersed transformer is overheated in the long-term use process, so that the use effect and the use safety of the oil-immersed transformer are reduced.

Disclosure of Invention

The utility model aims to provide a compact oil-immersed transformer, which aims to solve the problems that the oil-immersed transformer provided in the background art often generates a large amount of heat in the use process, and the heat can cause the oil-immersed transformer to overheat in the long-time use process, so that the use effect and the use safety of the oil-immersed transformer are reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the compact oil immersed transformer comprises a shell, wherein a transformer body is inserted into the shell, a cooling channel is formed in the inner wall of the shell, a water inlet pipe is fixedly connected below one side of the inner wall of the cooling channel, and a water drain pipe is fixedly connected with the lower surface of the other side of the inner wall of the cooling channel;

the cooling channel is characterized in that cooling ports are formed in the front side and the rear side of the inner wall of the cooling channel, silver aluminum plates are fixedly connected to the inner walls of the two cooling ports, and condensation plates which are in contact with the corresponding silver aluminum plates are fixedly connected to the front surface and the rear surface of the shell.

Preferably, the inner wall of the shell is fixedly connected with a protective sponge ventilation layer, and the inner wall of the protective sponge ventilation layer is in circumferential contact with the surface of the transformer body.

Preferably, the top plate is fixedly connected with the periphery of the upper surface of the shell, the fixing plate is fixedly connected with the upper surface of the transformer body, and the fixing plate is fixedly connected with the top plate through a plurality of fixing bolts.

Preferably, a water tank is fixedly connected to one side surface of the shell, the lower part of one side of the inner wall of the water tank is fixedly connected with the other end of the water inlet pipe, and a water inlet is fixedly connected to the upper surface of the water tank.

Preferably, the surface of the water inlet is connected with a water inlet sealing cover in a threaded manner, and the surface of the drain pipe is connected with a water outlet sealing cover in a threaded manner.

Preferably, the front and back sides of fixed plate upper surface both sides are all fixedly connected with support column, a plurality of the upper surface of support column is fixedly connected with guard plate jointly, the guard plate includes the timber layer, the upper surface fixedly connected with anticorrosive coating on timber layer, the upper surface fixedly connected with waterproof layer on anticorrosive coating.

Preferably, both sides of the lower surface of the shell are fixedly connected with fixing frames, and both front and rear sides of the upper surface of the two fixing frames are provided with mounting openings.

The utility model has the technical effects and advantages that:

1. through setting up casing, transformer body, cooling channel, inlet tube, drain pipe, cooling mouth, silver aluminum plate, condensate plate to can be to the outside casing of oil-immersed transformer in joining rivers, prevent to appear the condition that the intensity of a fire spread when oil-immersed transformer takes place the conflagration and appear, and can cool off the cooling treatment to it in the normal use of oil-immersed transformer, prevent to use the high condition of temperature to appear for a long time oil-immersed transformer.

2. Through setting up the ventilative layer of protection sponge to can protect the inside transformer body of placing of casing, prevent that equipment wholly from taking place to damage the circumstances that collides with at the in-process transformer body of transportation transport from appearing, through setting up roof, fixed plate, fixing bolt, thereby can be stable with the compact installation of transformer body to the casing inside.

3. Through setting up support column, guard plate, timber layer, anticorrosive coating, waterproof layer to can protect compact oil-immersed transformer's top, prevent that rivers direct impact compact oil-immersed transformer's top from causing the damage, and can shelter from the sunshine that the sun shines, ensured compact oil-immersed transformer's security of using.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic diagram of a front cross-sectional structure of a housing according to the present utility model.

Fig. 3 is a schematic side sectional view of the housing of the present utility model.

Fig. 4 is a schematic view of a top plate structure according to the present utility model.

In the figure: 1. a housing; 2. a transformer body; 3. a cooling channel; 4. a water inlet pipe; 5. a drain pipe; 6. a cooling port; 7. a silver aluminum plate; 8. a condensing plate; 9. a protective sponge ventilation layer; 10. a top plate; 11. a fixing plate; 12. a fixing bolt; 13. a water tank; 14. a water inlet; 15. a water inlet sealing cover; 16. a water outlet sealing cover; 17. a support column; 18. a protection plate; 1801. a wood layer; 1802. an anti-corrosion layer; 1803. a waterproof layer; 19. a fixing frame; 20. and (5) an installation port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a compact oil immersed transformer as shown in fig. 1-4, which comprises a shell 1, wherein the shell 1 is formed by welding and splicing a plurality of plates, a transformer body 2 is inserted into the shell 1, a cooling channel 3 is formed in the inner wall of the shell 1, an inner cavity is reserved when the shell 1 is manufactured, a water inlet pipe 4 is fixedly connected below one side of the inner wall of the cooling channel 3, a water drain pipe 5 is fixedly connected to the lower surface of the other side of the inner wall of the cooling channel 3, cooling ports 6 are formed in the front side and the rear side of the inner wall of the cooling channel 3, silver aluminum plates 7 are fixedly connected to the inner walls of the two cooling ports 6, condensation plates 8 in contact with the corresponding silver aluminum plates 7 are fixedly connected to the front surface and the rear surface of the shell 1, water flow can be added into the outer shell 1 of the oil immersed transformer, the situation that fire spreading occurs when the oil immersed transformer is prevented, and the oil immersed transformer can be cooled and cooled in the normal use process of the oil immersed transformer, and the situation that the oil immersed transformer is excessively high in temperature is prevented.

As shown in fig. 1, the top plate 10 is fixedly connected to the periphery of the upper surface of the housing 1, the fixing plate 11 is fixedly connected to the upper surface of the transformer body 2, the fixing plate 11 is fixedly connected to the top plate 10 through a plurality of fixing bolts 12, the transformer body 2 is stably and compactly mounted inside the housing 1, fixing frames 19 are fixedly connected to two sides of the lower surface of the housing 1, and mounting openings 20 are formed in the front and rear sides of the upper surfaces of the two fixing frames 19.

As shown in fig. 1 and 4, the front and rear parts of the two sides of the upper surface of the fixing plate 11 are fixedly connected with support columns 17, the upper surfaces of the support columns 17 are fixedly connected with protection plates 18 together, each protection plate 18 comprises a wood layer 1801, the upper surface of each wood layer 1801 is fixedly connected with an anti-corrosion layer 1802, the upper surface of each anti-corrosion layer 1802 is fixedly connected with a waterproof layer 1803, the upper part of the compact oil-immersed transformer can be protected, water flow is prevented from directly impacting the upper part of the compact oil-immersed transformer to cause damage, sunlight irradiated by sun is shielded, and the use safety of the compact oil-immersed transformer is ensured.

As shown in fig. 2, the inner wall of the shell 1 is fixedly connected with a protective sponge ventilation layer 9, and is made of sponge materials, so that the protective sponge ventilation layer 9 has a good protection effect, and can well transfer cold air, the inner wall of the protective sponge ventilation layer 9 is in circumferential contact with the surface of the transformer body 2, the transformer body 2 placed inside the shell 1 is protected, and the whole transformer body 2 is prevented from being damaged and knocked in the transportation and carrying process.

As shown in fig. 3, a water tank 13 is fixedly connected to one side surface of the shell 1, the lower part of one side of the inner wall of the water tank 13 is fixedly connected with the other end of the water inlet pipe 4, a water inlet 14 is fixedly connected to the upper surface of the water tank 13, a water inlet sealing cover 15 is connected to the surface of the water inlet 14 in a threaded manner, and a water outlet sealing cover 16 is connected to the surface of the water outlet pipe 5 in a threaded manner.

The working principle of the utility model is as follows: when the transformer is used, the transformer body 2 is firstly inserted into the shell 1, then the fixing plate 11 and the top plate 10 are fixedly connected through the fixing bolts 12, so that the transformer body 2 can be well fixedly connected with the shell 1, and then the whole equipment is fixed to a using place through the mounting frame and the mounting opening 20;

then water flow is injected into the water tank 13 through the water inlet 14 in the using process, then the water flow is led into the cooling channel 3 through the water inlet pipe 4 connected with the cooling channel 3 through the water tank 13, then the condensing plate 8 is started through the external power supply, the condensing plate 8 cools the contacted silver-aluminum plate 7, the silver-aluminum plate 7 cools the water flow contacted in the cooling channel 3, and then the water flow can cool the transformer body 2 in the shell 1, so that the transformer body 2 is cooled in the normal using process, and fire can be blocked when fire occurs;

and support column 17 can also protect equipment top through roof 10 during normal use, and timber layer 1801 and anticorrosive 1802 and waterproof layer 1803 that the roof 10 top set up can block rainwater and yang guan.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a compact oil-immersed transformer, includes casing (1), its characterized in that: the transformer is characterized in that a transformer body (2) is inserted into the shell (1), a cooling channel (3) is formed in the inner wall of the shell (1), a water inlet pipe (4) is fixedly connected below one side of the inner wall of the cooling channel (3), and a water outlet pipe (5) is fixedly connected with the lower surface of the other side of the inner wall of the cooling channel (3);

cooling ports (6) are formed in the front side and the rear side of the inner wall of the cooling channel (3), silver aluminum plates (7) are fixedly connected to the inner walls of the cooling ports (6), and condensation plates (8) in contact with the corresponding silver aluminum plates (7) are fixedly connected to the front surface and the rear surface of the shell (1).

2. The compact oil immersed transformer of claim 1, wherein: the inner wall of the shell (1) is fixedly connected with a protective sponge ventilation layer (9), and the inner wall of the protective sponge ventilation layer (9) is in circumferential contact with the surface of the transformer body (2).

3. The compact oil immersed transformer of claim 1, wherein: top plates (10) are fixedly connected to the periphery of the upper surface of the shell (1), fixing plates (11) are fixedly connected to the upper surface of the transformer body (2), and the fixing plates (11) are fixedly connected with the top plates (10) through a plurality of fixing bolts (12).

4. The compact oil immersed transformer of claim 1, wherein: the water tank (13) is fixedly connected to one side surface of the shell (1), the lower part of one side of the inner wall of the water tank (13) is fixedly connected with the other end of the water inlet pipe (4), and the water inlet (14) is fixedly connected to the upper surface of the water tank (13).

5. The compact oil immersed transformer according to claim 4, wherein: the surface of the water inlet (14) is connected with a water inlet sealing cover (15) in a threaded manner, and the surface of the water discharge pipe (5) is connected with a water outlet sealing cover (16) in a threaded manner.

6. A compact oil immersed transformer according to claim 3, characterized in that: the anti-corrosion device is characterized in that support columns (17) are fixedly connected to the front sides and the rear sides of the two sides of the upper surface of the fixing plate (11), a plurality of protection plates (18) are fixedly connected to the upper surfaces of the support columns (17) together, each protection plate (18) comprises a wood layer (1801), an anti-corrosion layer (1802) is fixedly connected to the upper surface of each wood layer (1801), and a waterproof layer (1803) is fixedly connected to the upper surface of each anti-corrosion layer (1802).

7. The compact oil immersed transformer of claim 1, wherein: both sides of the lower surface of the shell (1) are fixedly connected with fixing frames (19), and mounting ports (20) are formed in the front side and the rear side of the upper surface of each fixing frame (19).