CN218548150U

CN218548150U - External circulation structure of oil-immersed transformer box

Info

Publication number: CN218548150U
Application number: CN202222020048.1U
Authority: CN
Inventors: 姜小明; 祝魏强
Original assignee: Jiangshan Tonglian Pump Whole Set Co ltd
Current assignee: Jiangshan Tonglian Pump Whole Set Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-02-28
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses an oil-immersed transformer box external circulation structure, including the transformer box main part, the top fixedly connected with transformer top cap of transformer box main part, the left side fixedly connected with transformer of transformer box main part goes out oil pipe, the one end of transformer box main part is provided with the cooling box, the left side fixedly connected with cooler bin of cooling box advances oil pipe, the right side fixedly connected with transformer of transformer box main part advances oil pipe, the bottom fixedly connected with blast pipe on transformer box main part right side. This oil-immersed transformer box external circulation structure passes through transformer case main part and the internal circulation of cooling box flows to improve the cold efficiency of oil, the cooling tube of cooling box internally mounted and cooling blower can realize air-cooled function, take the mode that forced air cooling and water-cooling combined together to carry out external cooling to transformer oil, reach better cooling effect, solved the not good problem of cooling effect.

Description

External circulation structure of oil-immersed transformer box

Technical Field

The utility model relates to a transformer technical field specifically is oil-immersed transformer box external circulation structure.

Background

The main components of the transformer are a primary coil and a secondary coil main iron core, the primary coil and the secondary coil main iron core are commonly used for voltage lifting, impedance matching, safety isolation and the like in electrical equipment and wireless circuits, the transformer always generates loss when transmitting electric energy, the loss mainly comprises copper loss and iron loss, the copper loss and the iron loss generate a large amount of heat, the general oil-immersed transformer adopts transformer oil filled in the transformer to take away the part of heat, the part of heat is radiated by circulating heat conducting oil to radiating fins outside a transformer shell, when the temperature of the transformer rises sharply, the internal resistance of the transformer rises due to overhigh temperature, further heating is intensified, the work of the transformer becomes unstable relatively, a single cooling mode cannot meet the work requirements of the oil-immersed transformer in multiple aspects, and therefore a cooling mode combining multiple aspects needs to be adopted to achieve a good radiating effect and guarantee the normal operation of the transformer, and therefore, an external circulation structure of a box body of the oil-immersed transformer is developed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outside circulation structure of oil-immersed transformer box to provide the not good problem of cooling effect in solving above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: oil-immersed transformer box external circulation structure, including the transformer case main part, the top fixedly connected with transformer top cap of transformer case main part, the left side fixedly connected with transformer of transformer case main part goes out oil pipe, the one end of transformer case main part is provided with the cooling box, the left side fixedly connected with cooler bin of cooling box advances oil pipe, the right side fixedly connected with transformer of transformer case main part advances oil pipe, the bottom fixedly connected with blast pipe on transformer case main part right side, the right side fixedly connected with cooler bin of cooling box goes out oil pipe, the inside of cooling box is provided with the cooling port, the internally mounted of cooling port has cooling blower, the outside that the cooler bin advances oil pipe and cooler bin and goes out oil pipe is provided with the ring that removes dust, high pressure positive blower is installed on the top of cooling box.

Preferably, a first oil conveying pipe is fixedly connected between the transformer oil outlet pipe and the cooling tank oil inlet pipe.

Preferably, a second oil delivery pipe is fixedly connected between the cooling box oil outlet pipe and the transformer oil inlet pipe.

Preferably, the dust removing ring is internally provided with an installation lantern ring, and two groups of connecting rods are fixedly connected between the installation lantern ring and the dust removing ring.

Preferably, six groups of dust removing pipes are fixedly connected inside the dust removing ring, and the dust removing pipes are annularly distributed inside the dust removing ring.

Compared with the prior art, the beneficial effects of the utility model are that: the external circulation structure of the oil-immersed transformer box body not only realizes the enhanced cooling effect and the convenient dust removal, but also realizes the simple structure and the energy saving;

(1) The transformer oil cooling device is provided with the transformer box main body, the cooling box body, the cooling fan and the cooling port, the transformer oil outlet pipes and the transformer oil inlet pipes on two sides of the transformer box main body are communicated with the cooling box oil inlet pipes and the cooling box oil outlet pipes on two sides of the cooling box body, and the transformer oil can circularly flow in the transformer box main body and the cooling box body, so that the oil cooling efficiency is improved;

(2) The high-pressure fan, the dust removal ring, the air conveying pipe, the dust removal pipe, the connecting rod and the mounting sleeve ring are arranged, the dust removal ring outside the cooling box body covers the outer part of the cooling box oil outlet pipe and the outer part of the cooling box oil inlet pipe to clean dust, the high-pressure fan conveys air into the dust removal ring through the air conveying pipe, six groups of dust removal pipes on the inner side of the dust removal ring can blow off the dust outside the cooling box oil outlet pipe and the cooling box oil inlet pipe, dust accumulation is prevented from affecting pipeline transportation, the mounting sleeve ring inside the dust removal ring is sleeved on the outer parts of the cooling box oil outlet pipe and the cooling box oil inlet pipe, and the mounting stability of the dust removal ring is improved;

(3) Through being provided with first defeated oil pipe and the defeated oil pipe of second, oil feed and the oil outlet pipe between transformer box main part and the cooling box are connected through first defeated oil pipe and the defeated oil pipe of second respectively, and first defeated oil pipe and the defeated oil pipe of second are transformer box main part and cooling box connection and are the loop construction, and this structure is convenient for dispel the heat to the transformer outside fast and high-efficiently, has realized energy-concerving and environment-protective function.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic view of a front view structure of the transformer tank of the present invention;

fig. 3 is a schematic top view of the transformer tank of the present invention;

fig. 4 is a schematic side view of the dust removing ring of the present invention.

In the figure: 1. a transformer tank main body; 2. an oil outlet pipe of the transformer; 3. a first oil delivery pipe; 4. an oil inlet pipe of the cooling tank; 5. cooling the box body; 6. a cooling fan; 7. a high pressure fan; 8. a dust removal ring; 9. an oil outlet pipe of the cooling tank; 10. a cooling port; 11. a second oil delivery pipe; 12. an oil inlet pipe of the transformer; 13. a transformer top cover; 14. an exhaust pipe; 15. a wind delivery pipe; 16. a dust removal pipe; 17. a connecting rod; 18. and installing a lantern ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, an external circulation structure of an oil-immersed transformer tank includes a transformer tank main body 1, a transformer top cover 13 is fixedly connected to the top end of the transformer tank main body 1, a transformer oil outlet pipe 2 is fixedly connected to the left side of the transformer tank main body 1, a cooling tank 5 is arranged at one end of the transformer tank main body 1, a cooling tank oil inlet pipe 4 is fixedly connected to the left side of the cooling tank 5, a transformer oil inlet pipe 12 is fixedly connected to the right side of the transformer tank main body 1, an exhaust pipe 14 is fixedly connected to the bottom end of the right side of the transformer tank main body 1, a cooling tank oil outlet pipe 9 is fixedly connected to the right side of the cooling tank 5, a cooling port 10 is arranged inside the cooling tank 5, a cooling fan 6 is arranged inside the cooling port 10, a dust removal ring 8 is arranged outside the cooling tank oil inlet pipe 4 and the cooling tank oil outlet pipe 9, and a high-pressure fan 7 is arranged at the top end of the cooling tank 5;

specifically, as shown in fig. 1 and fig. 2, the transformer oil can circularly flow inside the transformer tank main body 1 and the cooling tank 5, so that the oil cooling efficiency is improved, the cooling pipe and the cooling fan 6 which are installed inside the cooling tank 5 can realize the air cooling function, and when the transformer oil passes through the cooling device, the transformer oil is externally cooled in a mode of combining air cooling and water cooling.

Example 2: the inside of the dust removing ring 8 is provided with an installation lantern ring 18, two groups of connecting rods 17 are fixedly connected between the installation lantern ring 18 and the dust removing ring 8, six groups of dust removing pipes 16 are fixedly connected inside the dust removing ring 8, the dust removing pipes 16 are distributed in the dust removing ring 8 in an annular shape, six groups of dust removing pipes 16 are fixedly connected inside the dust removing ring 8, and the dust removing pipes 16 are distributed in the dust removing ring 8 in an annular shape;

specifically, as shown in fig. 1 and 4, the high pressure fan 7 delivers air to the inside of the dust removing ring 8 through the air delivery pipe 15, six groups of dust removing pipes 16 inside the dust removing ring 8 can blow off dust outside the cooling box oil outlet pipe 9 and the cooling box oil inlet pipe 4, so as to avoid dust accumulation from affecting pipeline transportation, and the mounting collar 18 inside the dust removing ring 8 is sleeved outside the cooling box oil outlet pipe 9 and the cooling box oil inlet pipe 4, so that the mounting stability of the dust removing ring 8 is improved.

Example 3: a first oil delivery pipe 3 is fixedly connected between the transformer oil outlet pipe 2 and the cooling tank oil inlet pipe 4, and a second oil delivery pipe 11 is fixedly connected between the cooling tank oil outlet pipe 9 and the transformer oil inlet pipe 12;

specifically, as shown in fig. 1 and 3, the first oil delivery pipe 3 and the second oil delivery pipe 11 connect the transformer tank main body 1 and the cooling tank 5 in a circulation structure that facilitates rapid and efficient heat dissipation to the outside of the transformer.

The working principle is as follows: the utility model discloses when using, the transformer of 1 both sides of transformer box main part goes out oil pipe 2 and transformer and advances oil pipe 12 and the cooler bin that cools off 5 both sides and advance oil pipe 4 and cooler bin and go out oil pipe 9 through connection, transformer oil can advance oil pipe 4 and cooler bin and go out oil pipe 9 through connection at transformer box main part 1 and the inside circulation flow of cooler bin 5, thereby improve the efficiency of oil cooling, 8 covers in the cooler bin go out oil pipe 9 and the cooler bin advances the outside of oil pipe 4 and clear up the dust, high pressure positive blower 7 carries the inside of dust removal ring 8 with wind through defeated tuber pipe 15, six groups of dust removal pipes 16 of 8 inboards of dust removal ring can blow off the dust that advances oil pipe 4 outside to cooler bin oil pipe 9 and cooler bin, avoid the dust accumulation to influence the pipeline transportation, the cooler bin 5 internally mounted's cooler pipe and cooler blower 6 can realize air-cooled function, when transformer oil passes through cooling device, take the mode that forced air cooling and water-cooling combined together to carry out external cooling to transformer oil, reach better cooling effect.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Oil-immersed transformer box external circulation structure, including transformer case main part (1), its characterized in that: the utility model discloses a transformer box, including transformer box main part (1), the left side fixedly connected with transformer oil pipe (2) of transformer box main part (1), the one end of transformer box main part (1) is provided with cooling box (5), the left side fixedly connected with cooling box oil inlet pipe (4) of cooling box (5), the right side fixedly connected with transformer oil inlet pipe (12) of transformer box main part (1), bottom fixedly connected with blast pipe (14) on transformer box main part (1) right side, the right side fixedly connected with cooling box oil outlet pipe (9) of cooling box (5), the inside of cooling box (5) is provided with cooling opening (10), the internally mounted of cooling opening (10) has cooling fan (6), the outside that the cooling box oil inlet pipe (4) and cooling box oil outlet pipe (9) were provided with dust removal ring (8), high pressure positive blower (7) are installed on the top of cooling box (5).

2. The external circulation structure of the oil-filled transformer tank body according to claim 1, wherein: the transformer oil outlet pipe (2) and the cooling tank oil inlet pipe (4) are fixedly connected with a first oil delivery pipe (3).

3. The external circulation structure of the oil-filled transformer tank body according to claim 1, wherein: and a second oil delivery pipe (11) is fixedly connected between the cooling box oil outlet pipe (9) and the transformer oil inlet pipe (12).

4. The external circulation structure of the oil-filled transformer tank body according to claim 1, wherein: the dust removing device is characterized in that an installation lantern ring (18) is arranged inside the dust removing ring (8), and two groups of connecting rods (17) are fixedly connected between the installation lantern ring (18) and the dust removing ring (8).

5. The external circulation structure of the oil-filled transformer tank body according to claim 1, wherein: six groups of dust removing pipes (16) are fixedly connected to the interior of the dust removing ring (8), and the dust removing pipes (16) are distributed in an annular shape in the dust removing ring (8).

6. The external circulation structure of the oil-filled transformer tank body according to claim 1, wherein: the output end of the high-pressure fan (7) is fixedly connected with an air delivery pipe (15), and the bottom end of the air delivery pipe (15) is fixedly connected with the top end of the dust removal ring (8).