CN218826481U

CN218826481U - Oil-immersed transformer tank

Info

Publication number: CN218826481U
Application number: CN202223260892.8U
Authority: CN
Inventors: 刘平平; 邓永洪
Original assignee: Guangdong Development Electric Co ltd
Current assignee: Guangdong Development Electric Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-07
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses an oil-immersed transformer box, which comprises a base, wherein the top of the base is fixedly connected with a shell, the front side surface of the shell is provided with radiating fins, and the rear side surface of the shell is provided with a rear radiating box; the left side surface and the right side surface of the shell are both provided with side surface heat dissipation structures; the side heat radiation structure comprises a first protruding portion and a second protruding portion, the first protruding portion and the second protruding portion are connected with a heat radiation sheet assembly together, an inner concave portion is arranged on the side face of the heat radiation sheet assembly, and a side heat radiation box is fixedly connected to the inner side of the inner concave portion. The utility model discloses, set up the cooling system that radiating fin, side heat radiation structure, rear side heat dissipation case are constituteed in the outside of casing, have the advantage that the power consumption is low, the radiating effect is good, use in oil-immersed transformer field, can increase the life of transformer.

Description

Oil-immersed transformer tank

Technical Field

The utility model relates to a transformer heat dissipation technical field especially relates to an oil-immersed transformer box.

Background

Oil-immersed transformer mainly includes transformer box, transformer oil, immerses the transformer in the transformer box who holds transformer oil, can realize isolated electric arc's effect, but also can play fine radiating effect, makes this type of transformer have longer life, is a transformer structure commonly used at present.

The heat that the transformer produced in the transformer oil direct absorption course of work sets up radiating fin in the outside of transformer box, with heat transfer to the air, but in the long-time work of high temperature weather, only can not satisfy the user demand by radiating fin, causes transformer oil temperature to rise easily, influences the normal work of transformer, for this reason the utility model provides a novel oil-immersed transformer box.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an oil-immersed transformer box.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the oil-immersed transformer box body comprises a base, wherein the top of the base is fixedly connected with a shell, the front side surface of the shell is provided with a radiating fin, and the rear side surface of the shell is provided with a rear radiating box;

the left side surface and the right side surface of the shell are both provided with side surface heat dissipation structures;

the side heat dissipation structure comprises a first protruding part and a second protruding part, the first protruding part and the second protruding part are connected with a heat dissipation sheet assembly together, an inner concave part is arranged on the side face of the heat dissipation sheet assembly, and a side heat dissipation box is fixedly connected to the inner side of the inner concave part;

the rear side heat dissipation box is connected with the side heat dissipation box through a return pipe and a water supply pipe, and a water inlet interface and a water outlet interface are arranged on the side surface of the rear side heat dissipation box.

As a further description of the above technical solution: the radiating fin component comprises a front radiating fin, a rear radiating fin and an inward concave radiating fin, the front radiating fin is fixedly connected with the second protruding portion, the rear radiating fin is fixedly connected with the first protruding portion, two sides of the inward concave radiating fin are respectively fixedly connected with the first protruding portion and the second protruding portion, and a mounting opening is formed in the side face of the inward concave radiating fin.

As a further description of the above technical solution: the inside of rear side heat dissipation case is provided with the breakwater ring, form the circulation region between the inboard of breakwater ring and rear side heat dissipation case, the inside fixedly connected with of rear side heat dissipation case uses the interface of intaking to be a plurality of distributive plate that the radioactivity distributes as the center, and adjacent two form a flowing water district between the distributive plate, each flowing water district all corresponds a drain hole has been seted up on the breakwater ring.

As a further description of the above technical solution: the side of the rear side heat dissipation box is provided with a water outlet, the water outlet is communicated with a water inlet interface, and one end of the water supply pipe is connected with the water outlet.

As a further description of the above technical solution: the water outlet end of the return pipe is communicated with the circulation area.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the oil-immersed transformer box body has the advantages that the radiating system consisting of the radiating fins, the side radiating structure and the rear radiating box is arranged on the outer side of the shell, so that the air flow at the front side part is relatively good, and the radiating fins are directly used; the rear side part is close to the electric pole and is cooled by water cooling circulation; the two side parts adopt a mixed structure consisting of a side radiating box and a radiating fin component to radiate heat; the structure is low in energy consumption and good in heat dissipation effect, is applied to the field of oil-immersed transformers, and can prolong the service life of the transformers.

2. Compared with the prior art, this oil-immersed transformer box, through the fin subassembly that front side fin, rear side fin, interior concave type fin are constituteed, the installing port that interior concave type fin side formed is convenient for install side heat dissipation case, and interior concave type fin is all concentrated to a position, and its position with the laminating of side heat dissipation case is close to each other, can improve side heat dissipation case cold water circulation's radiating efficiency.

Drawings

Fig. 1 is a first perspective view of the present invention;

fig. 2 is a perspective view of a second viewing angle of the present invention;

fig. 3 is a front view of the present invention;

fig. 4 is a side view of the present invention;

fig. 5 is a top view of the present invention;

fig. 6 is a rear view of the present invention;

fig. 7 is a partial structural plan view of the present invention;

FIG. 8 isbase:Sub>A cross-sectional view A-A of FIG. 5;

fig. 9 is a perspective view of a third viewing angle of the present invention.

Illustration of the drawings:

1. a base; 2. a housing; 3. a heat dissipating fin; 4. a first protrusion; 5. a second protrusion; 6. a heat sink assembly; 61. a front side heat sink; 62. a rear side heat sink; 63. a concave heat sink; 64. an installation port; 7. a side heat dissipation box; 8. a rear side heat dissipation box; 81. a water retaining ring; 82. a water diversion plate; 83. a water flowing port; 84. a circulating flow region; 85. a water outlet; 9. a water inlet interface; 10. a return pipe; 11. a water supply pipe; 12. a water outlet interface; 13. side heat radiation structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-9, the utility model provides a pair of oil-immersed transformer box: including base 1, base 1's top fixedly connected with casing 2, the leading flank of casing 2 is provided with radiating fin 3, and the comparison piece of air flow around the radiating fin 3 that is located the front side has certain radiating effect, and the trailing flank of casing 2 is provided with rear side radiating box 8, and rear side radiating box 8 inserts water cooling circulation system, realizes the efficient heat dissipation.

The side all is provided with side heat radiation structure 13 about casing 2, dispels the heat to casing 2's side, specifically is: the side heat dissipation structure 13 comprises a first protruding portion 4 and a second protruding portion 5, the first protruding portion 4 and the second protruding portion 5 are connected with a heat dissipation fin assembly 6, an inner concave portion is arranged on the side face of the heat dissipation fin assembly 6, and a side heat dissipation box 7 is fixedly connected to the inner side of the inner concave portion.

The liquid inside the side heat dissipation tank 7 flows to dissipate the heat of the heat sink assembly 6, thereby taking away the temperature of the transformer oil inside the housing 2.

The rear side radiating box 8 is connected with the side radiating box 7 through a return pipe 10 and a water supply pipe 11, and the side surface of the rear side radiating box 8 is provided with a water inlet interface 9 and a water outlet interface 12.

The return pipe 10 and the water supply pipe 11 realize cold water circulation between the rear side heat dissipation box 8 and the side heat dissipation box 7, and the water inlet interface 9 and the water outlet interface 12 are used for connecting an external water cooling system.

Referring to fig. 7, the heat sink assembly 6 includes a front heat sink 61, a rear heat sink 62, and a concave heat sink 63, wherein the front heat sink 61 is fixedly connected to the second protrusion 5, the rear heat sink 62 is fixedly connected to the first protrusion 4, two sides of the concave heat sink 63 are respectively fixedly connected to the first protrusion 4 and the second protrusion 5, and a side surface of the concave heat sink 63 has a mounting opening 64.

The side heat dissipation box 7 is installed in the installation opening 64, the side surface of the side heat dissipation box is directly contacted with the concave type heat dissipation fins 63, the contact is three-surface contact, and efficient heat dissipation of the side heat dissipation box 7 to the concave type heat dissipation fins 63 can be achieved.

Referring to fig. 5 and 7, a water retaining ring 81 is disposed inside the rear heat dissipation box 8, a circulation area 84 is formed between the water retaining ring 81 and the inner side of the rear heat dissipation box 8, a plurality of water diversion plates 82 radially distributed with the water inlet 9 as a center are fixedly connected inside the rear heat dissipation box 8, a water diversion area is formed between two adjacent water diversion plates 82, and each water diversion area is correspondingly provided with a water flowing port 83 on the water retaining ring 81.

Cold water enters the rear side heat dissipation box 8 from the water inlet interface 9, is limited by the water diversion plate 82, flows radially and circularly, can uniformly contact with the side wall of the rear side heat dissipation box 8 close to the shell 2, dissipates heat more uniformly, then flows into the circulation area 84 from the water flowing port 83, the water outlet end of the return pipe 10 is communicated with the circulation area 84, and finally flows out from the return pipe 10.

The side surface of the side heat dissipation box 8 is provided with a water outlet 85, the water outlet 85 is communicated with the water inlet interface 9, and one end of the water supply pipe 11 is connected with the water outlet 85.

The working principle is as follows: when the water-cooling water circulation system is used, the water-cooling water circulation system is required to be connected with a cold water circulation system arranged in the distribution box, and a water outlet and a water return port of the cold water circulation system are respectively connected with the water inlet interface 9 and the water outlet interface 12.

The working of the cold water circulating system is controlled according to the temperature of the transformer oil in the shell 2 in the using process, when the temperature is low, the cold water circulating system does not need to be started, and only the radiating fins 3 and the radiating fin components 6 are used for radiating heat.

When the temperature of the transformer oil in the shell 2 is high, the cold water circulation system is started, cold water enters the inside of the rear side heat dissipation box 8 from the water inlet connector 9, is limited by the water diversion plate 82, flows radially outwards, finally enters the circulation area 84, and then flows back to the cold water circulation system from the water outlet connector 12, and in the process, part of cold water flows into the side heat dissipation box 7 through the water outlet 85 and the water supply pipe 11, and then flows into the circulation area 84 from the return pipe 10.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an oil-immersed transformer box, includes base (1), the top fixedly connected with casing (2) of base (1), its characterized in that: the front side surface of the shell (2) is provided with radiating fins (3), and the rear side surface of the shell (2) is provided with a rear radiating box (8);

the left side surface and the right side surface of the shell (2) are respectively provided with a side surface heat dissipation structure (13);

the side heat dissipation structure (13) comprises a first protruding portion (4) and a second protruding portion (5), the first protruding portion (4) and the second protruding portion (5) are connected with a heat dissipation fin assembly (6) together, an inner concave portion is arranged on the side face of the heat dissipation fin assembly (6), and a side heat dissipation box (7) is fixedly connected to the inner side of the inner concave portion;

the rear side heat dissipation box (8) is connected with the side heat dissipation box (7) through a return pipe (10) and a water supply pipe (11), and a water inlet connector (9) and a water outlet connector (12) are arranged on the side face of the rear side heat dissipation box (8).

2. An oil-filled transformer tank as claimed in claim 1, wherein: the radiating fin component (6) comprises a front radiating fin (61), a rear radiating fin (62) and an inward concave radiating fin (63), the front radiating fin (61) is fixedly connected with the second protruding portion (5), the rear radiating fin (62) is fixedly connected with the first protruding portion (4), two sides of the inward concave radiating fin (63) are respectively fixedly connected with the first protruding portion (4) and the second protruding portion (5), and a mounting opening (64) is formed in the side face of the inward concave radiating fin (63).

3. An oil-filled transformer tank as claimed in claim 1, wherein: the inside of rear side heat dissipation case (8) is provided with water retaining ring (81), form circulation region (84) between the inboard of water retaining ring (81) and rear side heat dissipation case (8), the inside fixedly connected with of rear side heat dissipation case (8) uses interface (9) of intaking to be a plurality of distributive plate (82) that the radioactivity distributes as the center, adjacent two form a flowing water district between distributive plate (82), each the flowing water district all corresponds a drain hole (83) has been seted up on water retaining ring (81).

4. An oil-filled transformer tank according to claim 3, characterized in that: the side of rear side radiator box (8) is provided with delivery port (85), delivery port (85) and interface (9) intercommunication of intaking, the one end of flow pipe (11) with delivery port (85) are connected.

5. An oil-filled transformer tank according to claim 3, characterized in that: the water outlet end of the return pipe (10) is communicated with the circulation area (84).