CN213124074U

CN213124074U - Oil-immersed transformer

Info

Publication number: CN213124074U
Application number: CN202022259186.6U
Authority: CN
Inventors: 张炎
Original assignee: Jiangsu Donghao Power Equipment Co ltd
Current assignee: Jiangsu Donghao Power Equipment Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-05-04
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses an oil-immersed transformer, including cooling device and transformer housing, transformer housing is cavity rectangle cavity setting, inside batch oil tank and the storage water tank of being equipped with of transformer housing, cooling device includes cooling water, circulating water pump and circulating pipe, inside the storage water tank was located to the cooling water, circulating water pump locates on a batch oil tank lateral wall, circulating pipe is the setting of L shape, just both sides about circulating water pump are located to circulating pipe one end, inside the storage water tank was located to the circulating pipe other end, the inside transformer fluid that is equipped with of batch oil tank. The utility model belongs to the technical field of transformer equipment, specifically provide a can stabilize the temperature of oil-immersed transformer main part, avoid producing an oil-immersed transformer of incident because oil-immersed transformer main part high temperature.

Description

Oil-immersed transformer

Technical Field

The utility model belongs to the technical field of transformer equipment, specifically indicate an oil-immersed transformer.

Background

With the increasing of electrical appliances of each household, the power consumption also rises rapidly, however, in the process of transmitting electric energy on a high-voltage line, as the high-voltage wire has a certain resistance, most of the electric energy is consumed on the high-voltage line in the process of retransmitting the electric energy, so that the electric energy transmitted to each household is limited, and particularly in remote mountainous areas, the phenomenon of insufficient electric energy often occurs, and the daily life of people is seriously influenced. In order to solve the problem that the electric energy is seriously consumed in the process of re-transmission, an electric power department usually boosts the electric energy through a transformer and then transmits the electric energy, so that the problem that the electric energy is consumed is obviously solved, when the electric energy is transmitted to each household, because the voltage cannot be directly used after being boosted, the electric energy can be used after being stepped down by using the transformer, wherein the most common transformer is an oil-immersed transformer.

However, in the prior art, the oil-immersed transformer that uses at present adopts transformer oil to cool down the oil-immersed transformer main part to reach the refrigerated purpose, however along with the work that the transformer lasts, the temperature of transformer fluid is also lasting rising, when reaching certain temperature, transformer fluid will be unable to cool down the oil-immersed transformer main part, thereby lead to the oil-immersed transformer main part to be burnt out, and will produce gas when transformer fluid temperature is too high, gas is very easily exploded under the high temperature condition.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned current difficult problem, the utility model provides a can stabilize the temperature of oil-immersed transformer main part, avoid producing an oil-immersed transformer of incident because oil-immersed transformer main part high temperature.

The utility model adopts the following technical scheme: the utility model relates to an oil-immersed transformer, including cooling device and transformer housing, transformer housing is cavity rectangle cavity setting, inside batch oil tank and the storage water tank of being equipped with of transformer housing, cooling device includes cooling water, circulating water pump and circulating pipe, inside the storage water tank was located to the cooling water, circulating water pump locates on a batch oil tank lateral wall, circulating pipe is the setting of L shape, just both sides about circulating water pump are located to circulating pipe one end, inside the storage water tank was located to the circulating pipe other end, the inside transformer fluid that is equipped with of batch oil tank.

Furthermore, a cover plate is arranged at the top of the transformer shell, and a rubber pad is arranged between the top of the transformer shell and the cover plate.

Furthermore, the side wall of the transformer shell is provided with a radiating fin.

Furthermore, an oil filling port, an oil discharge port, a water filling port and a water outlet are respectively arranged on the side wall of the transformer shell.

Furthermore, be equipped with the filter screen on the oil storage tank lateral wall, oiling mouth and filter screen are connected, avoid impurity to get into.

Further, the top of the inner wall of the oil storage tank is provided with a temperature sensor, the bottom of the transformer shell is provided with a PLC (programmable logic controller), the temperature sensor is connected with the PLC, and the PLC is connected with the circulating water pump.

Further, the bottom of the transformer shell is provided with fixing pieces, and the fixing pieces are symmetrically arranged on two sides of the PLC.

Further, an oil-immersed transformer main body is arranged inside the transformer shell.

Further, the rubber pad is made of an oil-resistant material.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: according to the oil-immersed transformer, the cooling water, the circulating water pump and the circulating pipeline are added for matching use, the temperature of the transformer oil is continuously increased along with the continuous work of the oil-immersed transformer main body, and the cooling water is continuously subjected to heat exchange through the circulating water pump, so that the heat exchange efficiency of the transformer oil and the cooling water is accelerated, the temperature stability of the transformer oil is ensured, and the temperature of the oil-immersed transformer main body is ensured to be in a safe condition; and a rubber pad is added, so that the phenomenon of oil leakage of the transformer can be avoided.

Drawings

Fig. 1 is a schematic diagram of an overall structure of an oil-immersed transformer according to the present invention;

fig. 2 is a schematic diagram of an internal structure of an oil-immersed transformer according to the present invention.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings, 1, a cooling device; 2. a transformer housing; 3. an oil storage tank; 4. a water storage tank; 5. cooling water; 6. a water circulating pump; 7. an oil-immersed transformer body; 8. a circulating water pipe; 9. transformer oil; 10. a cover plate; 11. a rubber pad; 12. a heat sink; 13. an oil filling port; 14. an oil discharge port; 15. a water injection port; 16. a water outlet; 17. a filter screen; 18. a temperature sensor; 19. a PLC controller; 20. a fixing member; .

Detailed Description

The technical solution of the present invention will be described in further detail with reference to specific embodiments, and all the parts of the present invention not described in detail in the technical features or the connection relation are the prior art.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, the utility model relates to an oil-immersed transformer, including cooling device 1 and transformer housing 2, transformer housing 2 is cavity rectangle cavity setting, 2 inside batch oil tanks 3 and the storage water tank 4 of being equipped with of transformer housing, cooling device 1 includes cooling water 5, circulating water pump 6 and circulating pipe 8, cooling water 5 is located inside storage water tank 4, circulating water pump 6 is located on 3 lateral walls of batch oil tanks, circulating pipe 8 is the setting of L shape, and 8 one ends of circulating pipe are located both sides about circulating water pump 6, the circulating pipe 8 other end is located inside

storage water tank

4, 3 inside transformer fluid 9 that are equipped with of batch oil tank.

Wherein, the top of the transformer shell 2 is provided with a cover plate 10, and a rubber pad 11 is arranged between the top of the transformer shell 2 and the cover plate 10; the side wall of the transformer shell 2 is provided with radiating fins 12; an oil filling port 13, an oil discharging port 14, a water filling port 15 and a water outlet 16 are respectively arranged on the side wall of the transformer shell 2; a filter screen 17 is arranged on the side wall of the oil storage tank 3, and the oil injection port 13 is connected with the filter screen 17; the top of the inner wall of the oil storage tank 3 is provided with a temperature sensor 18, the bottom of the transformer shell 2 is provided with a PLC (programmable logic controller) 19, the temperature sensor 18 is connected with the PLC 19, and the PLC 19 is connected with the circulating water pump 6; the bottom of the transformer shell 2 is provided with a fixing piece 20, and the fixing pieces 20 are symmetrically arranged on two sides of the PLC 19; an oil-immersed transformer main body 7 is arranged inside the transformer shell 2; the rubber pad 11 is made of an oil-resistant material.

During specific use, at first, at 2 outside oil filler point 13 of transformer housing and water filling port 15 respectively pour into vary voltage fluid and cooling water 5 into, along with oil-immersed transformer main part 7 lasts work, make the temperature of transformer fluid 9 also continuously rise, detect transformer fluid 9 during the high temperature with data upload to PLC controller 19 when temperature sensor 18, PLC controller 19 control circulating water pump 6 carries out work, constantly carry out the heat transfer to cooling water 5 through circulating water pump 6, thereby transformer fluid 9 and cooling water 5's heat exchange efficiency has been accelerated, transformer fluid 9's temperature stability has been guaranteed, thereby guarantee that the temperature of oil-immersed transformer main part 7 is in the safe condition, after a period, change cooling water 5 from delivery port 16 discharge.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. An oil-immersed transformer, its characterized in that: including cooling device (1) and transformer housing (2), transformer housing (2) are cavity rectangle cavity setting, inside batch oil tank (3) and the storage water tank (4) of being equipped with of transformer housing (2), cooling device (1) is including cooling water (5), circulating water pump (6) and circulating water pipe (8), inside storage water tank (4) were located in cooling water (5), circulating water pump (6) are located on batch oil tank (3) a lateral wall, circulating water pipe (8) are the setting of L shape, just both sides about circulating water pump (6) are located to circulating water pipe (8) one end, inside storage water tank (4) was located to the circulating water pipe (8) other end, inside transformer fluid (9) of being equipped with of batch oil tank (3).

2. An oil filled transformer according to claim 1, characterized in that: the transformer shell is characterized in that a cover plate (10) is arranged at the top of the transformer shell (2), and a rubber pad (11) is arranged between the top of the transformer shell (2) and the cover plate (10).

3. An oil filled transformer according to claim 1, characterized in that: and the side wall of the transformer shell (2) is provided with radiating fins (12).

4. An oil filled transformer according to claim 1, characterized in that: an oil filling port (13), an oil discharging port (14), a water filling port (15) and a water outlet (16) are respectively arranged on the side wall of the transformer shell (2).

5. An oil filled transformer according to claim 4, characterized in that: be equipped with filter screen (17) on oil storage tank (3) lateral wall, oiling mouth (13) and filter screen (17) are connected.

6. An oil filled transformer according to claim 1, characterized in that: temperature sensor (18) are equipped with at oil storage tank (3) inner wall top, transformer housing (2) bottom is equipped with PLC controller (19), temperature sensor (18) are connected with PLC controller (19), PLC controller (19) are connected with circulating water pump (6).

7. An oil filled transformer according to claim 1, characterized in that: the transformer casing (2) bottom is equipped with mounting (20), PLC controller (19) both sides are located to mounting (20) symmetry.

8. An oil filled transformer according to claim 1, characterized in that: an oil-immersed transformer main body (7) is arranged inside the transformer shell (2).

9. An oil filled transformer according to claim 2, characterized in that: the rubber pad (11) is made of an oil-resistant material.