CN111312479B

CN111312479B - Transformer cooling device

Info

Publication number: CN111312479B
Application number: CN201911172896.0A
Authority: CN
Inventors: 丁配生; 贾成麟
Original assignee: Sixian Weiteng Intellectual Property Operation Co Ltd
Current assignee: JIANGSU ZHONGTIAN BRIGHT TRANSFORMER Co.,Ltd.
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2021-01-26
Anticipated expiration: 2039-11-26
Also published as: CN111312479A

Abstract

The invention discloses a transformer cooling device which comprises a shell, wherein a fan and a filter box are fixedly connected to two sides of the top of an inner cavity of the shell respectively, a first filter screen is fixedly connected inside the filter box, the right side of the bottom of the filter box is communicated with a dry cooler through a pipeline, an air inlet cover and an air outlet cover are fixedly connected to two sides of the dry cooler respectively, and a first motor is fixedly connected to the left side of the air inlet cover. According to the transformer cooling device, the fan, the filter box, the first filter screen, the dry cooler, the air outlet cover and the air outlet hole are arranged, hot air can be refrigerated, so that the temperature in the transformer is reduced, the air can be humidified by arranging the air inlet cover, the air inlet hole, the fixed block, the water tank, the second filter screen, the first connecting pipe, the water pump, the second connecting pipe, the water outlet hole and the wet film, the transformer cooling device is convenient to use, the temperature in the transformer can be rapidly reduced by the transformer cooling device, the service life of the transformer is prolonged, and the transformer cooling device is beneficial to use of people.

Description

Transformer cooling device

Technical Field

The invention relates to the technical field of transformers, in particular to a transformer cooling device.

Background

In recent years, with the continuous development of the power industry, more and more transformer substations are built, a distribution transformer usually selected by the transformer substations is an oil-immersed transformer, and due to the existence of iron loss and copper loss in the operation process of the transformer, the loss is converted into heat energy and is radiated outwards, so that the continuous heating and temperature rising of the transformer are caused, the heat radiation of the transformer is poor, the temperature of the transformer rises, the temperature rise level exceeds the allowable temperature rise level of the transformer, the service life of the transformer is shortened if the temperature rises, and the transformer is damaged if the temperature rises, so that in order to ensure the good heat radiation of a large transformer, a certain cooling mode is required to take away the heat generated in the transformer.

Under the influence of high-temperature weather in summer, the load mainly comprises cooling electrical appliances such as an air conditioner, an electric fan and the like, the load fluctuation is large, the load impact borne by a main transformer is larger, the temperature rise is faster, and then the main transformer is burnt out due to the higher temperature rise, the cooling mode of the oil-immersed transformer is forced oil circulation air cooling, cooling oil is matched with an external cooler to transfer heat to the atmosphere, the cooling mode hardly ensures the safe and stable operation of the transformer under the conditions of large electric load and continuous high temperature in summer, the load can be reduced only by pulling a brake and increasing an auxiliary heat dissipation method of the transformer to prevent the burning out accident caused by the overhigh temperature rise of the transformer, based on the above, the cooling of the radiating fins of the transformer can be rapidly carried out by external equipment needing assistance, the common method is that the cooling is carried out by the fan, and the cooling mode of the fan cannot play a good cooling role, is not beneficial to the use of people.

Disclosure of Invention

The invention aims to provide a transformer cooling device, which has the advantage of convenience in use and solves the problem of inconvenience in use of a transformer.

In order to achieve the purpose, the invention provides the following technical scheme: a transformer cooling device comprises a shell, wherein a fan and a filter box are fixedly connected to two sides of the top of an inner cavity of the shell respectively, a first filter screen is fixedly connected to the inside of the filter box, a dry cooler is communicated to the right side of the bottom of the filter box through a pipeline, an air inlet cover and an air outlet cover are fixedly connected to two sides of the dry cooler respectively, a first motor is fixedly connected to the left side of the air inlet cover, the right end of a rotating shaft of the first motor penetrates through the air inlet cover and extends to a first fan blade fixedly connected to the inside of the air inlet cover, the right side of the air outlet cover is fixedly connected to the right side of the inner cavity of the shell, an air inlet hole is formed in the surface of the air inlet cover, an air outlet hole is formed in the surface of the shell, the left side of the air outlet hole is communicated with the right side of the air outlet cover, a fixed block, the water tank comprises a water tank inner cavity, a water tank, a water level sensor, a heater, a water pump, a water tank, a water guide hole and a water guide hole, wherein the water tank inner cavity is fixedly connected with the bottom of the water tank inner cavity from left to right in sequence, the right side of the water tank is communicated with a first connecting pipe, the other end of the first connecting pipe is communicated with the water pump, the right side of the water pump is fixedly connected with the bottom of the right side of the shell inner cavity, the top of the water pump is communicated with a second connecting pipe, the other end of the second connecting pipe penetrates through the fixed block and extends to the outside of the fixed block, the, the through-hole has been seted up on the surface of fixed block, the through-hole is located the top of water pump, fixedly connected with control panel, air temperature sensor and air humidity transducer down in proper order are followed to the left side of casing inner chamber, the control panel respectively with air humidity transducer, air temperature sensor, level sensor, heater, fan, dry cold ware, first motor, water pump and second motor electric connection.

Preferably, the top on the left side of the water tank is communicated with a water inlet pipe, the left end of the water inlet pipe penetrates through the shell and extends to the outside of the shell, and a valve is arranged on the surface of the water inlet pipe.

Preferably, the inside of the air outlet is fixedly connected with a screen, and the screen is circular.

Preferably, the right sides of the top and the bottom of the shell are fixedly connected with mounting frames, and mounting holes are formed in the surfaces of the mounting frames.

Preferably, the surface of the water tank is provided with a jack, and the inner wall of the jack is movably connected with the surface of the wet film.

Preferably, the bottom of the front face of the shell is fixedly connected with a perspective window, and the perspective window is rectangular.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the transformer cooling device, the fan, the filter box, the first filter screen, the dry cooler, the air outlet cover and the air outlet hole are arranged, hot air can be refrigerated, so that the temperature in the transformer is reduced, the air can be humidified by arranging the air inlet cover, the air inlet hole, the fixed block, the water tank, the second filter screen, the first connecting pipe, the water pump, the second connecting pipe, the water outlet hole and the wet film, the transformer cooling device is convenient to use, the temperature in the transformer can be rapidly reduced by the transformer cooling device, the service life of the transformer is prolonged, and the transformer cooling device is beneficial to use of people.

2. According to the invention, the water inlet pipe is arranged to facilitate water injection in the water tank, the screen is arranged to block sundries in the air, the mounting frame is arranged to facilitate mounting of the cooling device on the transformer, the jacks are arranged to enable water on a wet film to enter the water tank, and the perspective window is arranged to facilitate observation of the working state in the shell.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a bottom view of the structural mounting block of the present invention;

fig. 4 is a right side view of the inventive structure.

In the figure: 1. a housing; 2. a fan; 3. a filter cartridge; 4. a first filter screen; 5. a dry cooler; 6. an air inlet cover; 7. an air outlet cover; 8. a first motor; 9. a first fan blade; 10. an air inlet; 11. an air outlet; 12. a fixed block; 13. a water tank; 14. a second filter screen; 15. a water temperature sensor; 16. a water level sensor; 17. a heater; 18. a first connecting pipe; 19. a water pump; 20. a second connecting pipe; 21. a water outlet hole; 22. wet film forming; 23. a wind-guiding hole; 24. a second motor; 25. a second fan blade; 26. a through hole; 27. a water inlet pipe; 28. screening a screen; 29. a control panel; 30. an air temperature sensor; 31. an air humidity sensor; 32. a mounting frame; 33. a jack; 34. a see-through window.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a transformer cooling device comprises a housing 1, wherein the right sides of the top and bottom of the housing 1 are fixedly connected with a mounting frame 32, the surface of the mounting frame 32 is provided with mounting holes, the cooling device is conveniently mounted on a transformer by arranging the mounting frame 32, the front bottom of the housing 1 is fixedly connected with a transparent window 34, the transparent window 34 is rectangular, the working state in the housing 1 is conveniently observed by arranging the transparent window 34, two sides of the top of the inner cavity of the housing 1 are respectively and fixedly connected with a fan 2 and a filter box 3, the interior of the filter box 3 is fixedly connected with a first filter screen 4, the right side of the bottom of the filter box 3 is communicated with a dry cooler 5 through a pipeline, two sides of the dry cooler 5 are respectively and fixedly connected with an air inlet cover 6 and an air outlet cover 7, the left side of the air inlet cover 6 is fixedly connected with a first motor 8, the right end of the rotating shaft of the first motor 8, the right side of the air outlet cover 7 is fixedly connected with the right side of the inner cavity of the shell 1, the surface of the air inlet cover 6 is provided with an air inlet hole 10, the surface of the shell 1 is provided with an air outlet hole 11, the inside of the air outlet hole 11 is fixedly connected with a screen 28, the screen 28 is circular, impurities in the air can be blocked by arranging the screen 28, the left side of the air outlet hole 11 is communicated with the right side of the air outlet cover 7, the inside of the shell 1 is fixedly connected with a fixed block 12, the bottom of the inner cavity of the shell 1 is fixedly connected with a water tank 13, the top of the left side of the water tank 13 is communicated with a water inlet pipe 27, the left end of the water inlet pipe 27 penetrates through the shell 1 and extends to the outside of the shell 1, the surface of the water inlet pipe 27 is provided with a valve, water can be conveniently filled into the water tank 13 by arranging the water inlet pipe 27, the surface of the, a second filter screen 14 is fixedly connected inside the water tank 13, a water temperature sensor 15, a water level sensor 16 and a heater 17 are fixedly connected to the bottom of the inner cavity of the water tank 13 from left to right in sequence, a first connecting pipe 18 is communicated with the right side of the water tank 13, a water pump 19 is communicated with the other end of the first connecting pipe 18, the right side of the water pump 19 is fixedly connected with the bottom of the right side of the inner cavity of the shell 1, a second connecting pipe 20 is communicated with the top of the water pump 19, the other end of the second connecting pipe 20 penetrates through the fixed block 12 and extends to the outside of the fixed block 12, a water outlet hole 21 is formed in the surface of the second connecting pipe 20, a wet film 22 is fixedly connected to the bottom of the second connecting pipe 20, a wind guiding hole 23 is formed in the surface of the shell 1, a second motor 24 is fixedly connected to the bottom of the left side of the shell 1, a second fan blade 25 is fixedly connected, the surface of the fixed block 12 is provided with a through hole 26, the through hole 26 is positioned at the top of the water pump 19, the left side of the inner cavity of the shell 1 is fixedly connected with a control panel 29, an air temperature sensor 30 and an air humidity sensor 31 from top to bottom, the control panel 29 is respectively and electrically connected with the air humidity sensor 31, the air temperature sensor 30, a water temperature sensor 15, a water level sensor 16, a heater 17, a fan 2, a dry cooler 5, a first motor 8, the water pump 19 and a second motor 24, the hot air can be refrigerated by arranging the fan 2, a filter box 3, a first filter screen 4, the dry cooler 5, an air outlet cover 7 and an air outlet hole 11, so as to cool the interior of the transformer, the air can be humidified by arranging an air inlet cover 6, an air inlet hole 10, the fixed block 12, a water tank 13, a second filter screen 14, a first connecting pipe 18, the water pump 19, a, the transformer cooling device is convenient to use, can quickly cool the inside of the transformer, prolongs the service life of the transformer, and is beneficial to people.

When the air temperature sensor 30 and the air humidity sensor 31 are used for detecting the temperature and the humidity in the air, when the temperature is high, the control panel 29 starts the fan 2, the fan 2 pumps hot air into the filter box 3, the hot air is filtered by the first filter screen 4 and then enters the dry cooler 5, the first motor 8 drives the first fan blade 9 to rotate, the generated cold air enters the transformer through the air outlet 11 to cool the interior of the transformer, when the air humidity is low, the control panel 29 starts the water pump 19, the water in the water tank 13 is pumped into the second connecting pipe 20 through the first connecting pipe 18 by the water pump 19, a water film is formed through the water outlet 21 and the wet film 22 on the second connecting pipe 20, water molecules absorb the heat in the air to be vaporized and evaporated, the humidity of the air is increased, the wet air enters the dry cooler 5 through the through hole 26 and the air inlet 10 on the air inlet cover 6 and enters the transformer through the air outlet 11, the water temperature sensor 15, the heater 17 can heat the water in the water tank 13, so that the transformer cooling device is convenient to use, and the transformer cooling device can rapidly cool the inside of the transformer, thereby prolonging the service life of the transformer and being beneficial to people.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transformer heat sink, includes casing (1), its characterized in that: the fan filter is characterized in that the two sides of the top of the inner cavity of the shell (1) are respectively and fixedly connected with a fan (2) and a filter box (3), the inside of the filter box (3) is fixedly connected with a first filter screen (4), the right side of the bottom of the filter box (3) is communicated with a dry cooler (5) through a pipeline, the two sides of the dry cooler (5) are respectively and fixedly connected with an air inlet cover (6) and an air outlet cover (7), the left side of the air inlet cover (6) is fixedly connected with a first motor (8), the right end of a rotating shaft of the first motor (8) penetrates through the air inlet cover (6) and extends to the inside of the air inlet cover (6) and is fixedly connected with a first fan blade (9), the right side of the air outlet cover (7) is fixedly connected with the right side of the inner cavity of the shell (1), an air inlet hole (10) is formed in the surface of the air inlet cover (6), an air outlet hole (11, the water heater is characterized in that a fixed block (12) is fixedly connected to the inside of the shell (1), a water tank (13) is fixedly connected to the bottom of the inner cavity of the shell (1), a second filter screen (14) is fixedly connected to the inside of the water tank (13), a water temperature sensor (15), a water level sensor (16) and a heater (17) are fixedly connected to the bottom of the inner cavity of the water tank (13) from left to right in sequence, a first connecting pipe (18) is communicated to the right side of the water tank (13), a water pump (19) is communicated to the other end of the first connecting pipe (18), the right side of the water pump (19) is fixedly connected to the bottom of the right side of the inner cavity of the shell (1), a second connecting pipe (20) is communicated to the top of the water pump (19), the other end of the second connecting pipe (20) penetrates through the fixed block (12) and extends to the, bottom fixedly connected with wet membrane (22) of second connecting pipe (20), the bottom of wet membrane (22) runs through water tank (13) and extends to the inside of water tank (13), induced air hole (23) have been seted up on the surface of casing (1), casing (1) left bottom fixedly connected with second motor (24), the right-hand member of second motor (24) pivot runs through casing (1) and extends to the inside fixedly connected with second fan blade (25) of casing (1), through-hole (26) have been seted up on the surface of fixed block (12), through-hole (26) are located the top of water pump (19), the left side of casing (1) inner chamber is from last to lower fixedly connected with control panel (29), air temperature sensor (30) and air humidity transducer (31) in proper order, control panel (29) respectively with air humidity transducer (31), The air temperature sensor (30), the water temperature sensor (15), the water level sensor (16), the heater (17), the fan (2), the dry cooler (5), the first motor (8), the water pump (19) and the second motor (24) are electrically connected.

2. The transformer cooling device according to claim 1, wherein: the left top intercommunication of water tank (13) has inlet tube (27), the left end of inlet tube (27) runs through casing (1) and extends to the outside of casing (1), the surface of inlet tube (27) is provided with the valve.

3. The transformer cooling device according to claim 1, wherein: the inside fixedly connected with screen cloth (28) of venthole (11), screen cloth (28) are circular.

4. The transformer cooling device according to claim 1, wherein: the equal fixedly connected with mounting bracket (32) in right side of casing (1) top and bottom, the mounting hole has been seted up on the surface of mounting bracket (32).

5. The transformer cooling device according to claim 1, wherein: the surface of the water tank (13) is provided with an insertion hole (33), and the inner wall of the insertion hole (33) is movably connected with the surface of the wet film (22).

6. The transformer cooling device according to claim 1, wherein: the bottom of the front face of the shell (1) is fixedly connected with a perspective window (34), and the perspective window (34) is rectangular.