CN216250286U

CN216250286U - Aluminum alloy radiator of transformer

Info

Publication number: CN216250286U
Application number: CN202121937055.7U
Authority: CN
Inventors: 范利明; 余学庆
Original assignee: Hunan Guochuang Electric Power Co ltd
Current assignee: Hunan Guochuang Electric Power Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-04-08
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses an aluminum alloy radiator of a transformer, which comprises an oil inlet pipe, an oil return pipe and a plurality of radiating fins, wherein a containing cavity is formed in each radiating fin, the oil inlet pipe is connected with the plurality of radiating fins and is communicated with the containing cavities of the plurality of radiating fins, and the oil return pipe is also connected with the plurality of radiating fins and is also communicated with the containing cavities of the plurality of radiating fins. After adopting above-mentioned structure and material, have obvious beneficial effect: firstly, the aluminum alloy is adopted to replace steel for manufacturing, and the aluminum alloy has excellent high heat-conducting property, so that the heat radiation performance of the radiator is greatly improved; secondly, the aluminum alloy is light in weight, and has better structural advantages for the transformer compared with a steel radiator; and finally, the aluminum alloy has excellent corrosion resistance, the inner wall of the aluminum alloy does not need to be subjected to corrosion resistance of paint coating, the defects of hydrogen production and uncleanness in the steel radiator are avoided, and the safety and stability of the operation of the transformer are improved.

Description

Aluminum alloy radiator of transformer

Technical Field

The utility model relates to a radiator, in particular to an aluminum alloy radiator of a transformer.

Background

The existing transformer normally works due to abnormal influence caused by overhigh temperature in the using process, a steel radiator is usually adopted as a radiator element on the transformer, and heat generated in the running process of the transformer is dissipated into air so as to control the working temperature of the transformer and ensure the safe and stable running of the transformer. The existing radiator is generally formed by two steel pipes with flow distribution holes and a group of radiating fin units which are longitudinally arranged in parallel and are arranged at equal intervals, the radiator mainly has the defects of heavy weight, poor radiating effect and the like, and particularly has the defects of more internal foreign matters, internal hydrogen production, pollution to transformer oil and influence on the safe operation of a transformer. In view of the above-mentioned state of the art heat sinks, there is a need for improvements and optimizations in the structure and materials of existing heat sinks. Therefore, the inventor of the application combines the characteristics of the existing radiator, carries out structural design and material selection of the novel radiator and obtains the aluminum alloy radiator of the transformer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an aluminum alloy radiator of a transformer, which can realize high-efficiency heat radiation.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides an aluminum alloy radiator of transformer, is including advancing oil pipe, returning oil pipe and a plurality of fin, the inside appearance chamber that is equipped with of fin, advance oil union coupling a plurality of fins, and with a plurality of fins hold the chamber intercommunication, it also connects to return oil pipe a plurality of fins, and also with a plurality of fins hold the chamber intercommunication.

In a preferred embodiment, the plurality of fins are arranged in parallel at intervals.

In a preferred embodiment, a plurality of reinforcing ribs are arranged inside the cavity.

In a preferred embodiment, the outer wall of the heat sink is provided with a plurality of fins.

In a preferred embodiment, the plurality of fins are arranged in a uniform parallel arrangement.

In a preferred embodiment, a first flange is arranged on the oil inlet pipe, and a second flange is arranged on the oil return pipe.

In a preferred embodiment, the heat sink further comprises a plurality of ribs connecting the plurality of heat sink edges.

In a preferred embodiment, the longitudinal cross-sectional shapes of the oil inlet pipe and the oil return pipe are set to be quadrangular.

In a preferred embodiment, the oil return device further comprises a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate, wherein the first connecting plate is arranged between one pipe wall of the oil inlet pipe and the plurality of radiating fins and used for connecting the oil inlet pipe with the plurality of radiating fins, the second connecting plate is arranged between the other pipe wall of the oil inlet pipe and the plurality of radiating fins and also used for connecting the oil inlet pipe with the radiating fins, the third connecting plate is arranged between the oil return pipe and the plurality of radiating fins and used for connecting the oil return pipe with the plurality of radiating fins, and the fourth connecting plate is arranged between the oil return pipe and the plurality of radiating fins and also used for connecting the oil return pipe with the plurality of radiating fins.

In a preferred embodiment, the oil inlet pipe and/or the oil return pipe are/is provided with a connecting piece, the connecting piece comprises a first fixing plate, a second fixing plate, a corrugated pipe, a limiting bolt, a first limiting nut, a second limiting nut and a third limiting nut, the first fixing plate is provided with a first opening and at least two first fixing holes, the second fixing plate is provided with a second opening and at least two second fixing holes, the corrugated pipe is connected with the first opening and the second opening, the limit bolt passes through the first fixing hole and the second fixing hole, the first fixing plate is clamped by the first limiting nut and the bolt head of the limiting bolt, the second fixing plate is clamped by the second limiting nut and the third limiting nut, the first limiting nut, the second limiting nut and the third limiting nut are matched with the limiting bolt.

Compared with the prior art, the utility model provides the aluminum alloy radiator of the transformer, which has obvious beneficial effects after adopting the structure and the materials: firstly, the aluminum alloy is adopted to replace steel for manufacturing, and the surface of the radiating fin is provided with a fin structure, so that the radiating area is greatly increased, and the excellent high heat-conducting property of the aluminum alloy is combined, thereby greatly improving the radiating performance of the radiator and reducing the number of steel radiator fins; secondly, the aluminum alloy is light in weight, has better structural advantages for the transformer compared with a steel radiator, and can reduce the structural weight of the platform system particularly for an offshore wind power platform system; thirdly, the aluminum alloy has excellent corrosion resistance, and in general environmental application occasions, the use requirement can be met without coating the outer surface of the aluminum alloy radiator basically, so that the environmental pollution is reduced; and finally, the aluminum alloy has excellent corrosion resistance, the inner wall of the aluminum alloy does not need to be subjected to corrosion resistance of paint coating, the defects of hydrogen production and uncleanness in the steel radiator are avoided, and the safety and stability of the operation of the transformer are improved.

Drawings

FIG. 1 is a schematic diagram of an aluminum alloy heat sink for a transformer according to the present invention.

FIG. 2 is a schematic diagram of the heat sink of the aluminum alloy heat sink of the transformer and its longitudinal cross-sectional structure

FIG. 3 is a schematic view of a connection structure between an oil inlet pipe and a heat sink of an aluminum alloy radiator of a transformer according to the present invention.

Fig. 4 is a schematic structural diagram of a connecting piece of an aluminum alloy radiator of a transformer according to the utility model.

In the drawings

An oil inlet pipe 1; a first flange 2; an oil return pipe 3; a second flange 4; a heat sink 5; a cavity 6; a reinforcing rib 7; a fin 8; ribs 9; a first connecting plate 10; a second connecting plate 11; a first fixing plate 12; a second fixing plate 13; a bellows 14; a limit bolt 15; a first stop nut 16; a second limit nut 17; and a third limit nut 18.

Detailed Description

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

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

As shown in fig. 1 to 4, an aluminum alloy radiator of transformer, including advancing oil pipe 1, returning oil pipe 3 and a plurality of fin 5, fin 5 is inside to be equipped with and to hold chamber 6, advance oil pipe 1 and connect a plurality of fin 5, and with a plurality of fin 5 hold chamber 6 intercommunication, it also connects to return oil pipe 3 a plurality of fin 5, and also with a plurality of fin 5 hold chamber 6 intercommunication. After the aluminum alloy radiator of the transformer adopts the structure and the materials, the aluminum alloy radiator has the following obvious beneficial effects: firstly, the aluminum alloy is adopted to replace steel for manufacturing, and the aluminum alloy has excellent high heat-conducting property, so that the heat radiation performance of the radiator is greatly improved, and the number of steel radiator fins is reduced; secondly, the aluminum alloy is light in weight, has better structural advantages for the transformer compared with a steel radiator, and can reduce the structural weight of the platform system particularly for an offshore wind power platform system; thirdly, the aluminum alloy has excellent corrosion resistance, and in general environmental application occasions, the use requirement can be met without coating the outer surface of the aluminum alloy radiator basically, so that the environmental pollution is reduced; and finally, the aluminum alloy has excellent corrosion resistance, the inner wall of the aluminum alloy does not need to be subjected to corrosion resistance of paint coating, the defects of hydrogen production and uncleanness in the steel radiator are avoided, and the safety and stability of the operation of the transformer are improved.

In order to effectively ensure the stability of the structure and have a good heat dissipation effect, the plurality of heat dissipation fins 5 are arranged in parallel at intervals.

In order to ensure the structural strength of the radiating fin 5, a plurality of reinforcing ribs 7 are arranged in the accommodating cavity 6, when the radiating fin 5 is manufactured, the reinforcing ribs 7 and a substrate of the radiating fin 5 are integrally formed, then two pieces of the radiating fin 5 are reliably connected together, and deformation and damage do not occur in the working process of internal stamping and oil passing.

In order to improve the heat dissipation efficiency, a plurality of fins 8 are arranged on the outer wall of the heat dissipation plate 5, the fins 8 are uniformly and parallelly arranged, the heat dissipation plate 5 and the fins 8 are integrally formed, the effective heat dissipation area of the heat dissipation plate 5 is increased, the contact area of the heat dissipation plate 5 and air is enlarged, and meanwhile the structural strength of the heat dissipation plate 5 is further enhanced.

In order to facilitate the connection of the oil inlet pipe 1 and the oil return pipe 3 with the transformer, the oil inlet pipe 1 is provided with a first flange 2, and the oil return pipe 3 is provided with a second flange 4.

In order to further promote structural strength, the aluminum alloy radiator of the transformer of this embodiment still includes many ribs 9, rib 9 is connected 5 borders of a plurality of fin, connect a plurality of fin 5 to make a plurality of fin 5 connect and form a whole, thereby can effectively promote structural strength.

Further, the longitudinal section shapes of the oil inlet pipe 1 and the oil return pipe 3 are quadrilateral.

Specifically, the aluminum alloy radiator of the transformer of this embodiment further includes a first connecting plate 10, a second connecting plate 11, a third connecting plate and a fourth connecting plate, the first connecting plate 10 is disposed between a tube wall of the oil inlet tube 1 and the plurality of fins 5 for connecting the oil inlet tube 1 and the plurality of fins 5, the second connecting plate 11 is disposed between another tube wall of the oil inlet tube 1 and the plurality of fins 5 for connecting the oil inlet tube 1 and the fins 5, the third connecting plate is disposed between the oil return tube 3 and the plurality of fins 5 for connecting the oil return tube 3 and the plurality of fins 5, the fourth connecting plate is disposed between the oil return tube 3 and the plurality of fins 5 for connecting the oil return tube 3 and the plurality of fins 5, and the first connecting plate 10, The second connecting plate 11, the third connecting plate and the fourth connecting plate can facilitate welding manufacture, and channels for oil to pass through are arranged on the second connecting plate, the third connecting plate and the fourth connecting plate.

Further, the oil inlet pipe 1 and/or the oil return pipe are/is provided with a connecting piece, the connecting piece comprises a first fixing plate 12, a second fixing plate 13, a corrugated pipe 14, a limiting bolt 15, a first limiting nut 16, a second limiting nut 17 and a third limiting nut 18, the first fixing plate 12 is provided with a first opening and at least two first fixing holes, the second fixing plate 13 is provided with a second opening and at least two second fixing holes, the corrugated pipe 14 is connected with the first opening and the second opening, the limiting bolt 15 penetrates through the first fixing hole and the second fixing hole, the first limiting nut 16 and a bolt head of the limiting bolt 15 clamp the first fixing plate 12, the second limiting nut 17 and the third limiting nut 18 clamp the second fixing plate 13, and the first limiting nut 16, the second limiting nut, the third limiting nut 18 and the corrugated pipe are/or are/is provided with a first opening and/is/, The second limit nut 17 and the third limit nut 18 are both matched with the limit bolt 15. Through set up the connecting piece on advancing oil pipe 1 and/or returning oil pipe, realize the soft connection of radiator and transformer to can use the deformation that the structure produced in the course of the work, form the protection to the structure. When mounting, the first fixing plate 12 is connected to the transformer by bolts, and the second fixing plate 13 is connected to the first flange 2 by bolts.

The foregoing description of the embodiments is provided to facilitate an understanding and use of the utility model and it will be apparent to those skilled in the art that various modifications to the embodiments and the generic principles defined herein may be applied to other embodiments without the use of inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims

1. The utility model provides an aluminum alloy radiator of transformer, its characterized in that, including advancing oil pipe, returning oil pipe and a plurality of fin, the inside appearance chamber that is equipped with of fin, advance oil union coupling a plurality of fins, and with a plurality of fins hold the chamber intercommunication, return oil pipe also connects a plurality of fins, and also with a plurality of fins hold the chamber intercommunication.

2. The aluminum alloy radiator of transformer as claimed in claim 1, wherein said plurality of fins are arranged in parallel at intervals.

3. The aluminum alloy radiator of the transformer as recited in claim 1, wherein a plurality of ribs are disposed inside said cavity.

4. The aluminum alloy radiator of transformer as recited in claim 1, wherein said heat sink has a plurality of fins on its outer wall.

5. The aluminum alloy radiator of transformer as recited in claim 4, wherein said plurality of fins are uniformly arranged in parallel.

6. The aluminum alloy radiator of transformer according to claim 1, wherein said oil inlet pipe is provided with a first flange, and said oil return pipe is provided with a second flange.

7. The aluminum alloy radiator of transformer as recited in claim 1, further comprising a plurality of ribs, said ribs connecting said plurality of fin edges.

8. The aluminum alloy radiator of transformer according to any one of claims 1 to 7, wherein the longitudinal cross-sectional shapes of said oil inlet pipe and said oil return pipe are set to be quadrangular.

9. The aluminum alloy radiator of transformer according to claim 8, further comprising a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate, wherein said first connecting plate is disposed between one wall of said oil inlet pipe and said plurality of fins for connecting said oil inlet pipe and said plurality of fins, said second connecting plate is disposed between another wall of said oil inlet pipe and said plurality of fins for connecting said oil inlet pipe and said plurality of fins, said third connecting plate is disposed between said oil return pipe and said plurality of fins for connecting said oil return pipe and said plurality of fins, and said fourth connecting plate is disposed between said oil return pipe and said plurality of fins for connecting said oil return pipe and said plurality of fins.

10. The aluminum alloy radiator of the transformer according to claim 1, wherein a connecting member is disposed on the oil inlet pipe and/or the oil return pipe, the connecting member includes a first fixing plate, a second fixing plate, a bellows, a limit bolt, a first limit nut, a second limit nut, and a third limit nut, the first fixing plate is provided with a first opening and at least two first fixing holes, the second fixing plate is provided with a second opening and at least two second fixing holes, the bellows connects the first opening and the second opening, the limit bolt passes through one of the first fixing holes and one of the second fixing holes, the first limit nut and a bolt head of the limit bolt clamp the first fixing plate, the second limit nut and the third limit nut clamp the second fixing plate, and the first limit nut, The second limiting nut and the third limiting nut are matched with the limiting bolt.