CN210668020U

CN210668020U - Transformer oil tank mosaic structure

Info

Publication number: CN210668020U
Application number: CN201921882043.1U
Authority: CN
Inventors: 郭萍; 范利刚; 翁天海; 吴振锋; 王建洪; 刘小锋
Original assignee: Quzhou Hangyong Transformer Co ltd
Current assignee: Quzhou Hangyong Transformer Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-06-02
Anticipated expiration: 2029-11-04

Abstract

The utility model provides a transformer tank mosaic structure belongs to transformer heat dissipation technical field. It has solved current transformer tank heat dissipation frame structure and has been generally for integral, and not only processing difficulty but also installation are troublesome, are unfavorable for processing, can't effectively dispel the heat to the corner of oil tank simultaneously, cause the heat dissipation inhomogeneous, the not high problem of radiating efficiency. The utility model discloses a crooked main part, the identical transformer tank corner surface of crooked main part inner wall, the crooked main part left and right sides all is equipped with mosaic structure, is connected with defeated oil pipe in the crooked main part, is equipped with the inlet port and the oil outlet with defeated oil pipe intercommunication in the crooked main part, and the inlet port sets up in crooked main part upper end, and the oil outlet sets up in crooked main part lower extreme. The utility model has the advantages of the radiating efficiency is high, easy modular production, the processing degree of difficulty is low, simple to operate, application scope is wide.

Description

Transformer oil tank mosaic structure

Technical Field

The utility model relates to a transformer heat dissipation technical field specifically is a transformer tank mosaic structure.

Background

During transformer operation, heat generated by losses in the windings and core must be dissipated in time to avoid insulation damage due to overheating. For a small-capacity transformer, the ratio of the external surface area to the volume of the transformer is relatively large, and heat can be dissipated by radiation and natural convection in a self-cooling mode. Since the loss of a transformer is proportional to its volume, as the capacity of the transformer increases, its volume and loss will increase to the third power of the core size, while the outer surface area only increases to the second power of the size. Therefore, the large-capacity transformer core and the winding should be immersed in oil and various cooling measures should be taken. The outer frame of current transformer tank's heat dissipation is the direct transformer tank that communicates of many defeated oil pipes usually, carries out fluid circulation heat dissipation through defeated oil pipe, however the heat dissipation frame processing of this kind of structure is comparatively troublesome, and the processing cost is high moreover, can't realize modular production, can't effectively dispel the heat to the corner of oil tank in addition, causes the heat dissipation inhomogeneous, and radiating efficiency is not high, influences the operation of transformer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an above-mentioned problem to exist among the prior art, provide a heat dissipation even, concatenation convenience, modular transformer tank mosaic structure.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: the utility model provides a transformer tank mosaic structure, a serial communication port, including crooked main part, crooked main part left and right sides all be equipped with mosaic structure, crooked main part on be connected with the sealed defeated oil pipe in both ends, crooked main part on be equipped with the inlet port and the oil outlet of defeated oil pipe intercommunication, the inlet port set up in crooked main part upper end, the oil outlet set up in crooked main part lower extreme.

The utility model discloses a theory of operation: when the oil tank is assembled, the oil tank frame is formed by splicing a plurality of bent main bodies or four bent main bodies and a plurality of plane structures together through the splicing structure; when the transformer works, transformer oil in the transformer oil tank is heated and rises to enter the oil delivery pipe through the oil inlet hole, when the oil enters the oil delivery pipe, the oil can partially dissipate heat from the inner wall of the oil delivery pipe and the outer wall of the oil delivery pipe, and the oil descends through heat dissipation cooling and flows back to the oil tank through the oil outlet hole, so that the circulation is continuous. Compared with the existing structure that the oil conveying pipe is welded on the oil tank directly, the structure realizes the advantages of low processing difficulty, convenience in installation and wide application range by modularizing the outer frame of the transformer oil tank, and simultaneously compared with the existing heat dissipation mode, the structure can greatly improve the heat dissipation effect and efficiency, and has the advantages of uniform heat dissipation, simple structure and convenience in processing.

In foretell transformer tank mosaic structure, mosaic structure divide into sand grip and recess, crooked main part left side be equipped with the recess, the right side is equipped with the sand grip, recess and sand grip length unanimous with crooked main part length, recess and sand grip position still be equipped with trapezoidal arch, trapezoidal arch length unanimous with crooked main part length.

In the splicing structure of the transformer oil tank, the cross section of the oil delivery pipe is circular.

In the splicing structure of the transformer oil tank, the outer wall of the oil conveying pipe is also provided with the radiating fins.

In the splicing structure of the transformer oil tank, a gap is formed between the two radiating fins, and the lengths of the radiating fins are consistent with the length of the oil conveying pipe.

In the splicing structure of the transformer oil tank, the oil inlet hole and the oil outlet hole are waist holes.

In the splicing structure of the transformer oil tank, the bent main body is made of a nano aluminum alloy composite material.

In foretell transformer tank mosaic structure, defeated oil pipe quantity be two, two defeated oil pipe between still be equipped with the fixed orifices, the fixed orifices be used for the fixed crooked main part of installation.

In the splicing structure of the transformer oil tank, the thickness of the bent main body is larger than that of the oil conveying pipe.

Compared with the prior art, the transformer oil tank splicing structure adopting the technical scheme has the beneficial effects that: the utility model has the advantages of the radiating efficiency is high, easy modular production, the processing degree of difficulty is low, simple to operate, application scope is wide.

Drawings

Fig. 1 is an isometric schematic view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a schematic connection diagram of the present invention.

In the figure, 1, a main body is bent; 2. an oil delivery pipe; 3. an oil inlet hole; 4. an oil outlet hole; 6. a heat dissipating fin; 7. a groove; 8. a convex strip; 9. a trapezoidal protrusion; 10. a fixing hole; 11. and (5) splicing the structure.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, this transformer tank mosaic structure includes crooked

main part

1, 1 inner wall of crooked main part coincide transformer tank corner surface, 1 left and right sides of crooked main part all be equipped with mosaic structure 11, crooked main part 1 on be connected with the sealed defeated oil pipe 2 in both ends, crooked main part 1 on be equipped with the inlet port 3 and the oil outlet 4 of defeated oil pipe 2 intercommunication, inlet port 3 set up in crooked main part 1 upper end, oil outlet 4 set up in crooked main part 1 lower extreme.

In a further elaboration, mosaic structure 11 divide into sand grip 8 and recess 7, 1 left side of crooked main part be equipped with recess 7, the right side is equipped with sand grip 8, recess 7 and sand grip 8 length unanimous with 1 length of crooked main part, trapezoidal protruding 9 length unanimous with 1 length of crooked main part. By adopting the structure, the transformer has the advantages of convenient installation, suitability for transformers of various models, reduction of the burden of designers, contribution to modularized mass production, and easiness in management and maintenance.

In more detail, the section of the oil pipeline 2 is circular. The circular oil conveying pipe 2 is higher in strength, larger in area under the same occupied space, larger in oil passing amount and high in space utilization rate.

In more detail, the circumferential wall of the oil pipeline 2 is further provided with radiating fins 6, the cross section of each radiating fin 6 is T-shaped or 1-shaped, or other shapes, a gap is formed between every two radiating fins 6, and the length of each radiating fin 6 is consistent with that of the oil pipeline 2. Further promote the radiating effect of defeated oil pipe 2.

In more detail, the oil inlet hole 3 and the oil outlet hole 4 are waist holes. The kidney hole can utilize defeated oil pipe 2 and the contact surface of crooked main part 1 to the at utmost for transformer oil's flow maximize does not influence the radiating efficiency of fluid again simultaneously.

In further detail, the bending main body 1 is made of a nano aluminum alloy composite material. The nano aluminum alloy composite material has the advantages of light weight, high strength, high rigidity, high shearing strength, small thermal expansion, high thermal stability, excellent electric conduction, heat conduction, wear resistance, corrosion resistance and the like, can be difficultly corroded in marine transportation, has a reinforcing effect far higher than that of micron-sized particles, has good interface bonding strength, has a smaller thermal expansion coefficient than that of micron-sized particles under the same volume fraction, is small in thermal residual stress, high in dimensional stability, and improved in room temperature plasticity and high temperature creep property, and greatly improves the heat dissipation effect of the transformer oil cooling heat dissipation splicing structure 11.

In a further elaboration, the number of the oil delivery pipes 2 is two, a fixing hole 10 is further formed between the two oil delivery pipes 2, and the fixing hole 10 is used for installing and fixing the bending main body 1.

In more detail, the thickness of the bending main body 1 is larger than that of the oil pipeline 2. The bent body 1 requires higher strength to support the oil delivery pipe 2, and the oil delivery pipe 2 is thinner than the contact heat dissipation plate, so that the weight of the oil delivery pipe 2 can be reduced.

Fig. 3 shows a common connection method in this embodiment.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the curved body 1, the oil delivery pipe 2, the oil inlet hole 3, the oil outlet hole 4, the heat radiating fin 6, the groove 7, the rib 8, the trapezoidal protrusion 9, the fixing hole 10, the splice structure 11, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a transformer tank mosaic structure, a serial communication port, including crooked main part (1), crooked main part (1) the left and right sides all be equipped with mosaic structure (11), crooked main part (1) on be connected with defeated oil pipe (2), crooked main part (1) on be equipped with inlet port (3) and oil outlet (4) with defeated oil pipe (2) intercommunication, inlet port (3) set up in crooked main part (1) upper end, oil outlet (4) set up in crooked main part (1) lower extreme.

2. The splicing structure of the transformer oil tank, according to claim 1, is characterized in that the splicing structure (11) is divided into a convex strip (8) and a concave groove (7), the concave groove (7) is arranged on the left side of the bending main body (1), the convex strip (8) is arranged on the right side of the bending main body, the lengths of the concave groove (7) and the convex strip (8) are consistent with the length of the bending main body (1), trapezoidal protrusions (9) are further arranged at the positions of the concave groove (7) and the convex strip (8), and the length of the trapezoidal protrusions (9) is consistent with the length of the bending main body (1).

3. The splicing structure of the transformer oil tank as claimed in claim 1, wherein the cross-section of the oil pipeline (2) is circular.

4. The splicing structure of the transformer oil tank according to claim 1, wherein the outer wall of the oil delivery pipe (2) is further provided with radiating fins (6).

5. The splicing structure of the transformer oil tank as claimed in claim 4, wherein a gap is formed between the two radiating fins (6), and the length of the radiating fin (6) is consistent with that of the oil pipeline (2).

6. The splicing structure of the oil tank of the transformer as claimed in claim 1, wherein the oil inlet hole (3) and the oil outlet hole (4) are waist holes.

7. The splicing structure of the oil tank of the transformer as claimed in claim 1, wherein the bending main body (1) is made of nano aluminum alloy composite material.

8. The splicing structure of the transformer oil tank according to claim 1, wherein the number of the oil delivery pipes (2) is two, a fixing hole (10) is further formed between the two oil delivery pipes (2), and the fixing hole (10) is used for installing and fixing the bending main body (1).

9. The splicing structure of a transformer tank according to claim 1, wherein the thickness dimension of the bending body (1) is larger than that of the oil delivery pipe (2).