CN210668023U

CN210668023U - Box frame splicing piece with good heat dissipation

Info

Publication number: CN210668023U
Application number: CN201921885542.6U
Authority: CN
Inventors: 吴利华; 范利东; 方小燕; 秦樟琦; 余祺; 吴龙祥
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 discloses a good case frame splice of heat dissipation for the polylith splices into the case frame, including the concatenation body, the concatenation external side is equipped with two cooling tubes, have the heat dissipation chamber that is linked together with the external world in the cooling tube, link to each other through connecting portion between two cooling tubes, the transversal rectangle of personally submitting of cooling tube. The utility model has the advantages of the radiating efficiency is high, structural strength is high.

Description

Box frame splicing piece with good heat dissipation

Technical Field

The utility model relates to a transformer technical field especially relates to a case frame splice that heat dissipation is good.

Background

The transformer oil tank is an important component of a transformer, the inner side of the bottom of the transformer oil tank used by people at present has a large space, so that the occupied space of the transformer is increased, the transformer oil filled inside is wasted, the manufacturing process flow is also complex, the production efficiency is influenced, and the transportation and the carrying are not convenient.

The existing box frame of part of transformer oil tanks on the market adopts a splicing structure, a plurality of box frame splicers are transported to a destination to be spliced into a box frame and assembled into an oil tank with other parts, but the existing box frame splicers are simple in structure and poor in heat dissipation effect, and fins are easy to deform in the transportation process to influence the appearance and the heat dissipation effect of the oil tank.

Disclosure of Invention

The utility model aims at providing a case frame splice that dispels heat 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 good case frame splice of heat dissipation for the polylith splices into the case frame, including the concatenation body, the concatenation external side is equipped with two cooling tubes, have the heat dissipation chamber that is linked together with the external world in the cooling tube, link to each other through connecting portion between two cooling tubes, the transversal rectangle of personally submitting of cooling tube.

The utility model forms the box frame 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 pipes 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; the arrangement of the connecting parts is favorable for improving the connecting strength between the two radiating pipes, so that the splicing bodies have better bearing capacity during transportation, and the splicing bodies are not easy to deform during mutual overlapping transportation, thereby being favorable for reducing the transportation cost; the rectangle cooling tube intensity is higher, is difficult for deformation, the transportation of being convenient for.

The connecting part extends along the height direction of the radiating pipe and forms an auxiliary radiating cavity with the outer side wall of the splicing body at intervals.

At least one oil groove is formed in the inner side wall of the splicing body and used for increasing the heat absorption area of the inner side wall of the splicing body.

The oil grooves and the radiating pipes are respectively and correspondingly arranged on the inner side and the outer side of the splicing body.

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 radiating fins are arranged on the outer side wall of the splicing body and are used for increasing the radiating area of the outer side wall of the splicing body.

The radiating pipe is characterized in that the outer wall of the radiating pipe is connected with a plurality of radiating fins, and the radiating fins are used for increasing the radiating area of the radiating pipe.

The heat dissipation tail end of each heat dissipation fin is connected with an auxiliary fin, and the auxiliary fins are used for increasing the heat dissipation area of the heat dissipation fins.

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, structural strength is high.

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 radiating pipe; 3. a heat dissipation cavity; 4. a connecting portion; 5. an auxiliary heat dissipation cavity; 6. an oil sump; 7. a heat absorbing fin; 8. auxiliary radiating fins; 9. a heat dissipating fin; 10. auxiliary fins; 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 member with good heat dissipation effect is used for splicing a plurality of blocks into a box frame, and comprises a splicing body 1, wherein two heat dissipation pipes 2 are arranged on the outer side of the splicing body 1, heat dissipation cavities 3 communicated with the outside are formed in the heat dissipation pipes 2, the two heat dissipation pipes 2 are connected through connecting parts 4, the heat dissipation pipes 2 and the splicing body 1 are integrally formed, the production steps are simplified, the production efficiency is improved, and the cross sections of the heat dissipation pipes are rectangular.

Preferably, the splice 1 is arranged straight.

Preferably, the radiating pipe 2 is a square pipe, the comprehensive mechanical property of the square pipe is good, and the square pipe is not easy to deform in the transportation process.

Further, put it in detail, connecting portion 4 both ends are connected respectively in 2 middle parts of cooling tube, and extend along 2 direction of height of cooling tube and with splice 1 lateral wall between the interval form supplementary heat dissipation chamber 5, both ends all are linked together with the external world about supplementary heat dissipation chamber 5, during the heat dissipation, the air in supplementary heat dissipation chamber 5 is heated and rises and is discharged from the upper end opening part, form the negative pressure in supplementary heat dissipation chamber 5 and inhale the air from the lower extreme opening part, through gaseous fast flow in supplementary heat dissipation chamber 5, effectually take away the heat on the 5 inner walls of supplementary heat dissipation chamber, connecting portion 4 prevents that the gas in supplementary heat dissipation chamber 5 from discharging from supplementary heat dissipation chamber 5 side, guarantee gaseous stable by supreme flow down in supplementary heat dissipation chamber 5, and connecting portion 4 has increased the heat radiating area of 2 outer walls of cooling tube, the heat exchange efficiency of cooling tube 2 has.

Further carefully say, seted up at least one oil groove 6 on the body 1 inside wall that splices, oil groove 6 is used for the increase to splice the heat absorption area of body 1 inside wall, and transformer oil can get into in the oil groove 6 and splice 1 inside wall full contact of body to make the heat in the transformer oil can more efficient transmit to splice on the body 1 inside wall, improve the cooling effect to transformer oil.

Preferably, the oil groove 6 corresponds respectively with the cooling tube 2 and sets up in the inside and outside both sides of the body of splicing for the wall thickness of cooling tube 2 and the body of splicing 1 junction reduces, thereby makes the heat shorten from the distance that the body of splicing 1 transmits to cooling tube 2, and heat transfer efficiency is higher.

In a further elaboration, the inner side wall of the splicing body 1 is provided with a plurality of heat absorption fins 7, the heat absorption fins 7 are used for increasing the heat absorption area of the inner side wall of the splicing body 1, the heat absorption efficiency of the inner side wall of the splicing body 1 is improved, and the heat absorption fins 7 extend into the transformer oil to facilitate timely absorption of heat in the transformer oil.

In further detail, the outer side wall of the splicing body 1 is provided with a plurality of auxiliary radiating fins 8, and the auxiliary radiating fins 8 are used for increasing the radiating area of the outer side wall of the splicing body 1, so that the heat exchange efficiency of the outer side wall of the splicing body 1 is improved, and the heat can be timely transferred to the air.

In a further elaboration, be connected with a plurality of radiating fin 9 on the 2 outer walls of cooling tube, radiating fin 9 is used for increasing the heat radiating area of cooling tube 2, has improved the heat exchange efficiency of cooling tube 2.

In more detail, the heat dissipation tail end of the heat dissipation fin 9 is connected with an auxiliary fin 10, the auxiliary fin 10 is used for increasing the heat dissipation area of the heat dissipation fin 9, the auxiliary fin 10 extends along the height direction of the heat dissipation fin 9 and is integrally formed with the heat dissipation fin 9, and the heat exchange efficiency of the heat dissipation fin 9 is improved.

Preferably, the auxiliary fins 10 and the radiating fins 9 are perpendicular to each other, and the auxiliary fins 10 can block air between two adjacent radiating fins 9, so that the air is fully contacted with the wall body of the radiating fins 9, and the heat exchange efficiency of the radiating fins 9 is improved.

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 matching of the inserting part 5 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.

Preferably, two splice bodies 1 are consolidated and sealed through the welding after the concatenation, help improving the bearing capacity of oil tank, prevent revealing of transformer oil.

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

1. The utility model provides a case frame splice that heat dissipation is good for the polylith splices into the case frame, its characterized in that: including the concatenation body (1), the concatenation body (1) outside is equipped with two cooling tubes (2), heat dissipation chamber (3) that are linked together with the external world have in cooling tube (2), link to each other through connecting portion (4) between two cooling tubes (2), the rectangle is personally submitted in cooling tube (2) transversal.

2. The box frame splice with good heat dissipation of claim 1, wherein: the connecting part (4) extends along the height direction of the radiating pipe (2) and forms an auxiliary radiating cavity (5) with the outer side wall of the splicing body (1) at intervals.

3. The box frame splice with good heat dissipation of claim 1, wherein: the splicing body (1) is characterized in that at least one oil groove (6) is formed in the inner side wall of the splicing body (1), and the oil groove (6) is used for increasing the heat absorption area of the inner side wall of the splicing body (1).

4. A heat-dissipating box frame joint as claimed in claim 3, wherein: the oil groove (6) and the radiating pipe (2) are respectively and correspondingly arranged on the inner side and the outer side of the splicing body (1).

5. The box frame splice with good heat dissipation of claim 1, wherein: the inner side wall of the splicing body (1) is provided with a plurality of heat absorption fins (7), and the heat absorption fins (7) are used for increasing the heat absorption area of the inner side wall of the splicing body (1).

6. The box frame splice with good heat dissipation of claim 1, wherein: the outer side wall of the splicing body (1) is provided with a plurality of auxiliary radiating fins (8), and the auxiliary radiating fins (8) are used for increasing the radiating area of the outer side wall of the splicing body (1).

7. The box frame splice with good heat dissipation of claim 1, wherein: the radiating pipe is characterized in that the outer wall of the radiating pipe (2) is connected with a plurality of radiating fins (9), and the radiating fins (9) are used for increasing the radiating area of the radiating pipe (2).

8. The heat-dissipating box frame joint according to claim 7, wherein: the heat dissipation tail end of the heat dissipation fin (9) is connected with an auxiliary fin (10), and the auxiliary fin (10) is used for increasing the heat dissipation area of the heat dissipation fin (9).

9. The box frame splice with good heat dissipation of claim 1, wherein: the box frame splicing piece is made of an aluminum alloy material.