CN210896914U

CN210896914U - Transformer oil tank that heat dispersion is good

Info

Publication number: CN210896914U
Application number: CN201921886134.2U
Authority: CN
Inventors: 朱建利; 刘勇; 高志建; 吴春华; 徐微微; 王光云
Original assignee: Zhejiang Zhidian Feijing Electric Co ltd
Current assignee: Zhejiang Zhidian Feijing Electric Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-06-30
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a transformer tank that heat dispersion is good, a plurality of cooling tubes on including the box and locating the box outer wall, the cooling tube cross section is the rectangle, be equipped with the airflow channel who is linked together with the external world along its direction of height in the cooling tube. The utility model has the advantages of the radiating efficiency is high, the radiating pipe inner wall is smooth and level, and the flow is big.

Description

Transformer oil tank that heat dispersion is good

Technical Field

The utility model relates to a transformer technical field especially relates to a transformer tank that heat dispersion is good.

Background

The transformer is a static electric energy transmission device, converts alternating current electric energy of one voltage grade into alternating current electric energy of another voltage grade with the same frequency by utilizing electromagnetic induction, is an important link for economic transmission, flexible distribution and safe use of electric energy, plays a significant role in a power grid, ensures the safe operation of the transformer and particularly ensures the service life of the transformer, and the determinant factor influencing the service life of the transformer is the aging of insulation.

At present, the oil-immersed transformer's the direct reason that promotes insulation aging is high temperature, and indirect reason has little water, oily interior impurity etc. that oil wets and leads to, and the heat produces at the operation in-process of transformer, and the heat relies on the flow of transformer oil to take away earlier, and transformer oil gives the transformer tank with heat transfer again, finally gives off the ambient air through the transformer tank in, and current transformer tank single structure, the radiating effect is poor, influences transformer life.

Disclosure of Invention

The utility model aims at providing a transformer tank that heat dispersion is good to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a transformer tank that heat dispersion is good, includes the box and locates a plurality of cooling tubes on the box outer wall, the cooling tube cross section is the rectangle, be equipped with the airflow channel who is linked together with the external world along its direction of height in the cooling tube.

The heat radiating area of the box body is increased through the arrangement of the heat radiating pipes, so that the heat exchange efficiency of the box body is improved, and the heat radiation is facilitated; through the arrangement of the airflow channel, the airflow passing through the airflow channel can take away the heat on the radiating pipe, so that the air cooling is realized on the radiating pipe, the radiating efficiency of the radiating pipe is ensured, and the heat accumulation is avoided; the outer wall structure of rectangular cooling tube application physical mechanics principle design, scientific and reasonable has better physical mechanical properties, the inner wall is smooth and level, the flow is big, can reduce the pipe diameter under the same flow condition, light in weight, connect the convenience, the processing of being convenient for.

Still be equipped with a plurality of auxiliary fins on the straight face of box outer wall, auxiliary fin is used for increasing the heat radiating area of box.

The auxiliary fins and the radiating pipes are arranged in a staggered mode in sequence.

The radiating pipe bilateral symmetry is equipped with a plurality of radiating fins, and the interval forms the radiating groove between two adjacent radiating fins, radiating fin is used for increasing the heat radiating area of radiating pipe.

The radiating tail end of the radiating pipe is connected with a second radiating fin which is used for increasing the radiating area of the radiating pipe.

The heat absorption device is characterized in that a plurality of oil grooves are continuously arranged on the flat surface of the inner wall of the box body and are used for increasing the heat absorption area of the box body.

The heat absorption device is characterized in that a plurality of heat absorption fins are arranged on the flat surface of the inner wall of the box body at intervals and used for increasing the heat absorption area of the box body.

The box body is formed by splicing an assembling structure.

The transformer oil tank is made of aluminum alloy materials.

The oil tank base is further included.

Compared with the prior art, the utility model has the advantages of the radiating efficiency is high, the inside wall of radiator pipe is smooth level and smooth, and the flow is big.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a partially enlarged schematic view at a in fig. 2.

Fig. 4 is a schematic structural diagram of the middle oil tank base of the present invention.

In the figure, 1, a box body; 2. a radiating pipe; 3. an air flow channel; 4. auxiliary fins; 5. radiating fins, 6 and radiating grooves; 7. a second heat radiation fin; 8. an oil sump; 9. a heat absorbing fin; 10. a fuel tank base.

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. 1-4, a transformer tank that heat dispersion is good, including box 1 and locate a plurality of cooling tubes 2 on 1 outer wall of box,

cooling tube

2 and 1 integrated into one piece of box and extend along 1 direction of height of box, 2 cross sections of cooling tube are the rectangle, are equipped with airflow channel 3 that is linked together with the external world along its direction of height in the cooling tube 2, and both ends all are linked together with the external world about airflow channel 3, and the air current is by supreme flow down because the principle of expend with heat and contract with cold in airflow channel 3.

Further saying, still be equipped with a plurality of auxiliary fins 4 on the straight face of box 1 outer wall, auxiliary fins 4 extend and with box 1 integrated into one piece along 1 direction of height of box, and auxiliary fins 4 are used for increasing the heat radiating area of box 1, improve the heat exchange efficiency of box 1 and air.

In a further elaboration, the auxiliary fins 4 and the radiating pipes 2 are arranged in a staggered mode in sequence, so that the overall heat exchange efficiency of the box body 1 is improved, and the radiating uniformity is guaranteed.

In more detail, a plurality of radiating fins 5 are symmetrically arranged on two sides of the radiating pipe 2, the radiating fins 5 extend along the height direction of the radiating pipe 2 and are integrally formed with the radiating pipe 2, radiating grooves 6 are formed between every two adjacent radiating fins 5 at intervals, and the radiating fins 5 are used for increasing the radiating area of the radiating pipe 2, improving the heat exchange efficiency of the radiating pipe 2 and facilitating efficient heat transfer from the radiating pipe 2 to the air; the radiating fins 5 are arranged on both sides of the radiating pipe 2, so that the heat exchange efficiency of the radiating fins 2 is further improved.

In a further elaboration, the heat dissipation end of the heat dissipation pipe 2 is integrally formed along the height direction of the heat dissipation end to be connected with a second heat dissipation fin 7, and the second heat dissipation fin 7 is used for increasing the heat dissipation area of the heat dissipation pipe 2 and improving the heat dissipation efficiency of the heat dissipation pipe 2.

In more detail, the plurality of oil grooves 8 are continuously arranged on the flat surface of the inner wall of the box body 1, the oil grooves 8 are used for increasing the heat absorption area of the box body 1, so that the heat absorption area of the inner side wall of the box body 1 to the transformer oil is increased, the transformer oil can conveniently and quickly and efficiently transfer heat in the transformer oil to the box body 1, the heat dissipation effect is improved, when the transformer oil flows along the inner side wall of the box body 1, the flowing range of the transformer oil is increased due to the arrangement of the oil grooves, and the improvement of the fluidity of the transformer oil is beneficial to the; through the continuous arrangement of the oil grooves, the heat absorption area of the inner side wall of the box body 1 is multiplied, so that the heat dissipation effect is better; and the oil groove 8 is only arranged on the straight surface, so that the processing and forming are convenient, and the production cost is reduced.

In further detail, a plurality of heat absorbing fins 9 are arranged on the flat surface of the inner wall of the box body 1 at intervals, and the heat absorbing fins 9 are used for increasing the heat absorbing area of the box body 1 and improving the heat absorbing efficiency of the box body 1.

In further detail, the box body 1 is formed by splicing an assembly structure, the box frame is produced in a modularized mode and is convenient to process, and an extrusion die is used for one-time extrusion forming; the transportation cost is greatly reduced, and the box bodies 1 are spliced after reaching the destination to finish the assembly.

In more detail, the transformer oil tank is made of aluminum alloy, the aluminum alloy has good heat conduction effect, is beneficial to temperature rise, and has the effects of good heat dissipation, noise reduction and energy (current, load, eddy current loss, magnetic field and the like) loss reduction compared with the traditional metal material; the aluminum alloy has light weight, is convenient to transport, further reduces the transportation cost, and is convenient for workers to assemble; the aluminum alloy has good corrosion resistance, and is not easy to be corroded by seawater at sea when sold abroad; the aluminum resource is rich, the recovery value is high, and the processing is easy.

Preferably, the aluminum alloy is a nano aluminum alloy composite material, and the nano aluminum alloy composite material has the effects of light weight, high strength, high rigidity, high shear strength, small thermal expansion, high thermal stability, excellent electric conduction, heat conduction, wear resistance, corrosion resistance and the like.

Preferably, the shape of the transformer oil tank can be square, round or rectangular.

Preferably, the cross section of the fin mentioned in the present embodiment is 1 type.

In further detail, the fuel tank base 10 is further included, and the fuel tank base 10 can be in a rectangular structure, a circular structure, a triangular structure, an oval structure and the like according to the shape of the main body of the tank body 1.

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 terms are used more often 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 that heat dispersion is good which characterized in that: including box (1) and locate a plurality of cooling tubes (2) on box (1) outer wall, cooling tube (2) cross section is the rectangle, be equipped with airflow channel (3) that are linked together with the external world along its direction of height in cooling tube (2).

2. The transformer oil tank with good heat dissipation performance according to claim 1, characterized in that: still be equipped with a plurality of auxiliary fin (4) on the straight face of box (1) outer wall, auxiliary fin (4) are used for increasing the heat radiating area of box (1).

3. The transformer oil tank with good heat dissipation performance as recited in claim 2, wherein: the auxiliary fins (4) and the radiating pipes (2) are arranged in a staggered mode in sequence.

4. The transformer oil tank with good heat dissipation performance according to claim 1, characterized in that: the radiating pipe (2) bilateral symmetry is equipped with a plurality of radiating fins (5), and the interval forms radiating groove (6) between two adjacent radiating fins (5), radiating fin (5) are used for increasing the heat radiating area of radiating pipe (2).

5. The transformer oil tank with good heat dissipation performance according to claim 1, characterized in that: the radiating tail end of the radiating pipe (2) is connected with a second radiating fin (7), and the second radiating fin (7) is used for increasing the radiating area of the radiating pipe (2).

6. The transformer oil tank with good heat dissipation performance according to claim 1, characterized in that: the heat absorption box is characterized in that a plurality of oil grooves (8) are continuously arranged on the flat surface of the inner wall of the box body (1), and the oil grooves (8) are used for increasing the heat absorption area of the box body (1).

7. The transformer oil tank with good heat dissipation performance according to claim 1, characterized in that: the heat absorption device is characterized in that a plurality of heat absorption fins (9) are arranged on the flat surface of the inner wall of the box body (1) at intervals, and the heat absorption fins (9) are used for increasing the heat absorption area of the box body (1).

8. The transformer oil tank with good heat dissipation performance according to claim 1, characterized in that: the box body (1) is formed by splicing an assembling structure.

9. The transformer oil tank with good heat dissipation performance according to claim 1, characterized in that: the transformer oil tank is made of aluminum alloy materials.

10. The transformer oil tank with good heat dissipation performance according to claim 1, characterized in that: also comprises a fuel tank base (10).