CN210668024U - Box frame splicing piece with good heat dissipation performance - Google Patents

Abstract

The utility model discloses a case frame splice that heat dispersion is good for the polylith splices into the case frame, including the concatenation body, be equipped with a plurality of radiating fin on the concatenation body lateral wall, be provided with a plurality of oil grooves on the concatenation body inside wall in succession, the oil groove is used for the increase to splice the heat absorption area of body inside wall. The utility model has the advantages of high heat dissipation efficiency, fast heat dissipation and less heat loss.

Description

Box frame splicing piece with good heat dissipation performance

Technical Field

The utility model relates to a transformer technical field especially relates to a case frame splice that heat dispersion is good and oil tank thereof.

Background

The transformer is generally in an oil-immersed type and a dry type, the dry type transformer generally adopts an air convection mode for heat dissipation, and is insulated by a solid insulating material, but when the line voltage exceeds 110kV, high voltage is easy to puncture air discharge to cause danger, and at the moment, the oil-immersed type transformer is generally adopted, and the oil-immersed type transformer can be used for effective insulation due to the fact that the puncture temperature in oil is higher than that in air. When the transformer is used, industrial heavy oil is filled into the transformer oil tank, and the working winding of the transformer is soaked in the oil.

However, the existing transformer oil tank has poor heat dissipation effect, cannot lead out heat in the transformer oil in time, and has poor heat dissipation effect.

Disclosure of Invention

The utility model aims at providing a box frame splice 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 box frame splicing piece with good heat dissipation performance is used for splicing a plurality of blocks into a box frame and comprises a splicing body, wherein a plurality of radiating fins are arranged on the outer side wall of the splicing body, a plurality of oil grooves are continuously formed in the inner side wall of the splicing body, and the oil grooves are used for increasing the heat absorption area of the inner side wall of the splicing body.

The box frame of the utility model is formed by splicing a plurality of box frame splicing pieces, so that the specification of the oil tank can be adjusted according to actual requirements; the box frame is produced in a modularized mode, the processing is convenient, and the extrusion die is used for extrusion forming at one time; the transportation cost is greatly reduced, and the assembly can be completed by splicing a plurality of box frame splicing pieces after the box frame splicing pieces reach the destination; the arrangement of the radiating fins is beneficial to improving the radiating area of the box frame splicing piece, so that the heat in the transformer oil can be conveniently and timely transferred to the air, and the radiating effect is good; due to the arrangement of the oil grooves, the heat absorption area of the inner side wall of the splicing body to the transformer oil is enlarged, so that the transformer oil can quickly and efficiently transfer heat in the oil to the splicing body, the heat dissipation effect is improved, when the transformer oil flows along the inner side wall of the splicing body, 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 heat dissipation of the transformer oil; through the continuous setting of oil groove for the heat absorption area of concatenation internal side wall increases at double, thereby makes the radiating effect better.

And a plurality of heat absorption fins are arranged on the inner side wall of the splicing body and are used for increasing the heat absorption area of the inner side wall of the splicing body.

And a plurality of auxiliary fins are arranged on the outer side wall of the splicing body and are used for increasing the heat dissipation area of the outer side wall of the splicing body.

The heat absorption fins are respectively arranged on two sides of the splicing body in pairwise symmetry.

The auxiliary fins and the radiating fins are sequentially arranged in a staggered mode along the length direction of the splicing body.

The auxiliary fins protrude outwards to 1/4 of the positions of the radiating fins.

A plurality of second radiating fins are symmetrically arranged on two sides of each radiating fin, radiating grooves are formed between every two adjacent second radiating fins at intervals, and the second radiating fins are used for increasing the radiating area of the radiating fins.

And the heat dissipation tail ends of the heat dissipation fins are connected with third heat dissipation fins, and the third heat dissipation fins are used for increasing the heat dissipation area of the heat dissipation fins.

The heat dissipation fins are internally provided with heat dissipation cavities communicated with the outside.

The box frame splicing piece is made of an aluminum alloy material.

Compared with the prior art, the utility model has the advantages of the radiating efficiency is high, the heat dissipation is fast, the heat loss is few.

Drawings

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

Fig. 2 is a plan view of the present invention.

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

Fig. 4 is a partially enlarged schematic view at B in fig. 2.

In the figure, 1, a splice; 2. a heat dissipating fin; 3. an oil sump; 4. a heat absorbing fin; 5. auxiliary fins; 6. a second heat radiation fin; 7. a heat sink; 8. a third heat radiation fin; 9. a heat dissipation cavity; 11. a box cover; 12. the box bottom; 13. a box frame; 14. a splice; 15. splicing grooves; 141. an insertion part; 142. an anti-drop part; 151. a slot; 152. and (4) an anti-drop groove.

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 FIGS. 1-4, a box frame splicing piece with good heat dissipation performance is used for splicing a plurality of blocks into a box frame, and comprises a splicing body 1, wherein a plurality of heat dissipation fins 2 are integrally formed on the outer side wall of the splicing body 1, a plurality of oil grooves 3 are continuously arranged on the inner side wall of the splicing body 1, the oil grooves 3 are used for increasing the heat absorption area of the inner side wall of the splicing body 1, and the heat dissipation fins 2 and the oil grooves 3 extend along the height direction of the splicing body 1.

Further saying, integrated into one piece has a plurality of heat absorption fins 4 on the 1 inside wall of concatenation body, and heat absorption fin 4 extends along 1 direction of height of concatenation body, and heat absorption fin 4 is used for increasing the heat absorption area of 1 inside wall of concatenation body, and heat absorption fin 4 helps improving the heat absorption efficiency to transformer oil in stretching into transformer oil to improve the radiating effect to transformer oil.

Further saying, be equipped with a plurality of supplementary fins 5 on the body 1 lateral wall that splices, supplementary fin 5 extends along 1 direction of height of the body that splices, and supplementary fin 5 is used for increasing the heat radiating area of the 1 lateral wall that splices, improves the heat exchange efficiency of the 1 lateral wall of the body that splices and air.

Preferably, the heat absorption fins 4 are respectively arranged on two sides of the splicing body 1 in a pairwise symmetrical manner, and when the inner side wall of the splicing body 1 is placed on a plane downwards, the heat absorption fins 4 can serve as bases for use, so that the oil grooves 3 are prevented from being in contact with the ground to cause abrasion, and the flowing of transformer oil is prevented from being influenced.

In further detail, the auxiliary fins 5 and the radiating fins 2 are sequentially arranged in a staggered manner along the length direction of the splicing body 1, so that the overall heat exchange efficiency of the splicing body 1 is improved, and the uniform heat dissipation is ensured.

In further detail, the auxiliary fins 5 protrude outwards to 1/4 of the radiating fins 2, so that the radiating tail ends of the auxiliary fins 5 and the radiating fins 2 are located at two different positions, and the auxiliary fins 5 and the radiating fins 2 can be kept in a better radiating state.

In more detail, a plurality of second radiating fins 6 are symmetrically and integrally formed on two sides of each radiating fin 2, a radiating groove 7 is formed between every two adjacent second radiating fins 6 at intervals, the second radiating fins 6 are used for increasing the radiating area of each radiating fin 2, the radiating area of each radiating fin 2 is increased through the arrangement of the second radiating fins 6, the heat exchange efficiency of the radiating fins 2 is improved, and the heat on the radiating fins 2 can be conveniently and efficiently transferred to the air; the second radiating fins 6 are arranged on the two sides of each radiating fin, so that the heat exchange efficiency of the radiating fins 2 is further improved.

Preferably, the second heat dissipating fin 6 is vertically connected to the outer side wall of the heat dissipating fin 2, so that the opening of the heat dissipating groove 7 is large, which facilitates the gas flow and helps to improve the heat dissipating efficiency.

Further, the heat dissipation end of the heat dissipation fin 2 is connected with a third heat dissipation fin 8, the third heat dissipation fin 8 extends along the height direction of the heat dissipation fin 2 and is integrally formed with the heat dissipation fin 2, the third heat dissipation fin 8 and the heat dissipation fin 2 are perpendicular to each other, the third heat dissipation fin 8 is used for increasing the heat dissipation area of the heat dissipation fin 2, and the heat exchange efficiency of the heat dissipation fin 2 is improved.

Further, have the heat dissipation chamber 9 that is linked together with the external world in the radiating fin 2, both ends all are linked together with the external world about the heat dissipation chamber 9, and during the heat dissipation, the air in the heat dissipation chamber 9 is heated and rises and is discharged from the upper end opening part, and the negative pressure forms in the heat dissipation chamber 9 and inhales the air from the lower extreme opening part, through the quick flow of gas in the heat dissipation chamber 9, and the effectual heat with on the 2 inner walls of radiating fin is taken away, has improved radiating fin 2's heat exchange efficiency.

In further detail, the two ends of the splicing body 1 are respectively provided with the splicing part 14 and the splicing groove 15, the splicing part 14 can be inserted into the splicing groove 15 of the other splicing body 1 to connect the two splicing bodies 1, the splicing part 14 comprises an inserting part 141 and an anti-falling part 142, the splicing groove 15 comprises a slot 151 and an anti-falling groove 152 in anti-falling fit with the anti-falling part 142, during splicing, the two splicing bodies 1 are staggered up and down, the splicing part 14 is aligned to the splicing groove 15 and presses the splicing body 1 at a higher position with force to enable the splicing part 14 to be inserted into the splicing groove 15, at the moment, the inserting part 141 is inserted into the slot 151, the anti-falling part 142 is inserted into the anti-falling groove 152, and positioning during splicing of the two splicing bodies 1 is facilitated through the fit of the inserting part 141 and the; through the cooperation of anticreep portion 142 and anticreep groove 152, prevent two splice bodies 1 concatenation back separation, be difficult for breaking down between two splice bodies 1, the installation is comparatively firm.

In more detail, the box frame splicing piece is made of an aluminum alloy material, the aluminum alloy has a 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 box frame spliced by the box frame splicing pieces is in one of a square shape, a circular shape and a rectangular shape.

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

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 (10)

1. The utility model provides a box frame splice that heat dispersion is good for the polylith splices into the box frame, its characterized in that: the heat-absorbing structure is characterized by comprising a splicing body (1), wherein a plurality of radiating fins (2) are arranged on the outer side wall of the splicing body (1), a plurality of oil grooves (3) are continuously arranged on the inner side wall of the splicing body (1), and the oil grooves (3) are used for increasing the heat-absorbing area of the inner side wall of the splicing body (1).

2. The box frame splicing member with good heat dissipation performance according to claim 1, wherein: the inner side wall of the splicing body (1) is provided with a plurality of heat absorption fins (4), and the heat absorption fins (4) are used for increasing the heat absorption area of the inner side wall of the splicing body (1).

3. The box frame splicing member with good heat dissipation performance according to claim 1, wherein: the outer side wall of the splicing body (1) is provided with a plurality of auxiliary fins (5), and the auxiliary fins (5) are used for increasing the heat dissipation area of the outer side wall of the splicing body (1).

4. The box frame splicing member with good heat dissipation performance according to claim 2, wherein: the heat absorption fins (4) are respectively arranged on two sides of the splicing body (1) in pairwise symmetry.

5. The box frame splicing member with good heat dissipation performance according to claim 3, wherein: the auxiliary fins (5) and the radiating fins (2) are sequentially arranged in a staggered mode along the length direction of the splicing body (1).

6. The box frame splicing member with good heat dissipation performance according to claim 3, wherein: the auxiliary fins (5) protrude outwards to 1/4 of the positions of the radiating fins (2).

7. The box frame splicing member with good heat dissipation performance according to claim 1, wherein: a plurality of second radiating fins (6) are symmetrically arranged on two sides of each radiating fin (2), radiating grooves (7) are formed between every two adjacent second radiating fins (6) at intervals, and the second radiating fins (6) are used for increasing the radiating area of the radiating fins (2).

8. The box frame splicing member with good heat dissipation performance according to claim 1, wherein: the heat dissipation tail end of the heat dissipation fin (2) is connected with a third heat dissipation fin (8), and the third heat dissipation fin (8) is used for increasing the heat dissipation area of the heat dissipation fin (2).

9. The box frame splicing member with good heat dissipation performance according to claim 1, wherein: and a heat dissipation cavity (9) communicated with the outside is formed in the heat dissipation fin (2).

10. The box frame splicing member with good heat dissipation performance according to claim 1, wherein: the box frame splicing piece is made of an aluminum alloy material.

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