CN212276972U

CN212276972U - Oil tank structure of oil-immersed transformer

Info

Publication number: CN212276972U
Application number: CN202021544554.5U
Authority: CN
Inventors: 方阳阳
Original assignee: Qingdao Chengbian Electric Co ltd
Current assignee: Qingdao Chengbian Electric Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-01-01
Anticipated expiration: 2030-07-30

Abstract

The utility model relates to the field of transformers, in particular to an oil tank structure of an oil-immersed transformer, which comprises a tank body, wherein heat dissipation assemblies are respectively arranged on the front end surface and the rear end surface of the tank body, the front end surface and the rear end surface of the tank body are respectively communicated with a heat pipe which passes through the inner side of the heat dissipation assembly, each heat dissipation assembly comprises a connecting plate fixedly arranged on the outer surface of the tank body and a plurality of heat dissipation plates fixedly arranged on the outer surface of the connecting plate, the outer surface of the connecting plate is provided with an opening corresponding to the height position of the heat pipe, the heat dissipation plates are provided with matching openings communicated with the opening near the outer surface of the connecting plate, the heat pipes extend into the inner sides of the matching openings, a plurality of heat conduction sheets are fixedly connected on the inner walls of the matching openings together, the heat conduction, the heat dissipation effect is better.

Description

Oil tank structure of oil-immersed transformer

Technical Field

The utility model relates to a transformer field especially relates to an oil-immersed transformer tank structure.

Background

Oil-immersed transformer relies on oil to make cooling medium, if oily self-cooling, oily forced air cooling, oily water-cooling, forced oil circulation etc. often lay the heating panel in transformer tank's periphery, and among the prior art, the oil tank is integrated into one piece with the heating panel, at the in-process of transport installation, the heating panel easily receives the collision and warp the damage, the influence is used, at radiating in-process, the heat on box surface is absorbed only through the heating panel to the radiating in-process, the heat absorption effect remains further improvement, for this reason, we have proposed an oil-immersed transformer tank structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the background art, and the oil-immersed transformer tank structure who provides.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an oil-immersed transformer tank structure, includes the box, radiator unit is installed respectively to the terminal surface around the box, the terminal surface communicates respectively around the box has the heat pipe that passes the radiator unit inboard, radiator unit includes fixed mounting at the connecting plate of box surface, fixed a plurality of heating panel of laying at the connecting plate surface, the appearance of heat pipe is the U type, the opening has been seted up to the high position that the surface of connecting plate corresponds the heat pipe, the heating panel is close to the surface of connecting plate and sets up the cooperation mouth that is linked together with the opening, the heat pipe stretches into the inboard of cooperation mouth, a plurality of common fixedly connected with conducting strip on the inner wall of cooperation mouth, the activity laminating of conducting strip is at the surface of heat pipe.

Preferably, the side cross section of the heat conducting fin is in a semicircular shape, the heat conducting fin is fixedly connected with the heat dissipation plates in a welding mode, and the corners of the heat dissipation plates are connected with the reinforcing rods together.

Preferably, the mounting bolt is squeezed into near border department on the surface of connecting plate, the surface of mounting bolt's tip embedding box, screw-thread fit between mounting bolt and the box, six are no less than in the quantity setting of mounting bolt, and the mounting bolt is close to both sides department in the surface of connecting plate and is the symmetry and arranges.

Preferably, the front end face and the rear end face of the box body are provided with limit blocks respectively extending from positions close to the upper ends, the outer surface of the connecting plate is provided with limit openings corresponding to the height positions of the limit blocks, and the limit blocks movably penetrate through the inner sides of the limit openings.

Preferably, an installation edge extends from the upper end port of the box body, and a plurality of installation holes are formed in the upper end surface of the installation edge in a penetrating manner.

Preferably, the lower extreme fixed mounting of box has the base, the terminal surface difference fixedly connected with gusset plate around the base, the lower terminal surface of gusset plate keeps flushing with the lower terminal surface of base, four are no less than in the quantity setting of gusset plate, and the gusset plate is the symmetry setting in the terminal surface around the base.

Compared with the prior art, the utility model discloses following beneficial effect has: through the radiator unit who sets up, in transport and installation, pull down the connecting plate from the surface of box in advance, the heat pipe breaks away from the inboard of cooperation mouth and opening, break away from heating panel and box mutually, prevent to collide thinner heating panel and warp the damage when transport and installation, play the effect of protection, through the heat pipe that sets up, the conducting strip, also can pass through the coolant oil in the heat pipe, partial heat can be through the surface effluvium of heat pipe, and the conducting strip plays the effect of contact heat conduction, accelerate the heat transfer to the surface of heating panel with the heat conduction on heat pipe surface, the heating panel has the area of contact great with the air, consequently, accelerate the heat dissipation, on the tradition only through the radiating basis of heating panel, the mode that heat pipe and conducting strip conducted the heat has been add, the radiating effect has been promoted.

Drawings

Fig. 1 is a schematic structural diagram of an oil tank structure of an oil-immersed transformer of the present invention;

fig. 2 is a schematic view of the oil tank structure of the oil-immersed transformer according to the present invention with a detached heat dissipation assembly;

fig. 3 is a half-sectional schematic view of a heat dissipation assembly of an oil tank structure of an oil-immersed transformer according to the present invention;

fig. 4 is the utility model relates to a half-section schematic diagram of another visual angle of radiator unit of oil-immersed transformer tank structure.

In the figure: 1. a box body; 2. a heat conducting pipe; 3. a connecting plate; 4. installing a bolt; 5. a heat dissipation plate; 6. a limiting port; 7. a limiting block; 8. a reinforcing bar; 9. a port; 10. a mating port; 11. a heat conductive sheet; 12. mounting edges; 13. mounting holes; 14. a base; 15. and a reinforcing plate.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

An oil-immersed transformer tank structure as shown in fig. 1-4, which comprises a tank body 1, wherein heat dissipation assemblies are respectively installed on the front and rear end faces of the tank body 1, the front and rear end faces of the tank body 1 are respectively communicated with a heat pipe 2 penetrating through the inner side of the heat dissipation assembly, each heat dissipation assembly comprises a connecting plate 3 fixedly installed on the outer surface of the tank body 1 and a plurality of heat dissipation plates 5 fixedly arranged on the outer surface of the connecting plate 3, the heat pipe 2 is in a U shape, the outer surface of the connecting plate 3 is provided with a through hole 9 corresponding to the height position of the heat pipe 2, the heat dissipation plates 5 are provided with matching ports 10 communicated with the through holes 9 and close to the outer surface of the connecting plate 3, the heat pipe 2 extends into the inner sides of the matching ports 10, the inner walls of the matching ports 10 are jointly and fixedly connected with heat conduction sheets 11, the heat radiating plate 5 can be made of steel which is selected conventionally, and the structural strength is ensured.

The side cross-section of conducting strip 11 is half circular shape, through welded mode fixed connection between conducting strip 11 and the heating panel 5, has not additionally blockked the heat conduction by the connecting piece, and the corner of a plurality of heating panels 5 is connected with stiffener 8 jointly, plays the effect that increases firm degree between the heating panel 5.

Mounting bolts 4 are driven into the outer surface of the connecting plate 3 close to the edge, the end parts of the mounting bolts 4 are embedded into the outer surface of the box body 1, the mounting bolts 4 are in threaded fit with the box body 1, the number of the mounting bolts 4 is not less than six, and the mounting bolts 4 are symmetrically arranged on the outer surface of the connecting plate 3 close to the two sides so as to facilitate the detachment and installation of the connecting plate 3; the front end face and the rear end face of the box body 1 are close to the upper end and respectively extend out of a limiting block 7, a limiting opening 6 is formed in the position, corresponding to the height of the limiting block 7, of the outer surface of the connecting plate 3, the limiting block 7 movably penetrates through the inner side of the limiting opening 6, and when the heat dissipation assembly is installed, the limiting opening 6 is aligned to the limiting block 7 and placed in the heat dissipation assembly, so that the bolt 4 can be installed subsequently.

The upper end port department of box 1 extends and installs along 12, and the up end of installing along 12 runs through and has seted up a plurality of mounting holes 13 to the installation of case lid is convenient for.

The lower extreme fixed mounting of box 1 has base 14, and the terminal surface is fixedly connected with gusset plate 15 respectively around base 14, and the lower terminal surface of gusset plate 15 and the lower terminal surface of base 14 keep flushing, and the quantity setting of gusset plate 15 is no less than four, and gusset plate 15 is the symmetry setting in the front and back terminal surface of base 14 to the firm of whole box 1 of placing of being convenient for.

In the during operation, in transport and installation, the user pulls down connecting plate 3 from the surface of box 1 in advance, heat pipe 2 breaks away from the inboard of cooperation mouth 10 and opening 9, break away from heating panel 5 and box 1 mutually, prevent to collide thinner heating panel 5 and warp the damage when transport and installation, play the effect of protection, when transformer installation use, also can pass through the coolant oil in heat pipe 2, part heat can be through the surperficial effluvium of heat pipe 2, and conducting strip 11 plays the effect of contact heat conduction, accelerate the heat transfer on heat pipe 2 surface to heating panel 5's surface, heating panel 5 has the area of contact great with the air, consequently accelerate the heat dissipation, on the basis that only dispels the heat through heating panel 5 in the tradition, the mode of heat pipe 2 with conducting strip 11 conduction heat has been add, the radiating effect has been promoted.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an oil-immersed transformer tank structure, includes box (1), its characterized in that: the front end surface and the rear end surface of the box body (1) are respectively provided with a heat dissipation component, the front end surface and the rear end surface of the box body (1) are respectively communicated with a heat conduction pipe (2) which passes through the inner side of the heat dissipation component, the heat dissipation assembly comprises a connecting plate (3) fixedly arranged on the outer surface of the box body (1) and a plurality of heat dissipation plates (5) fixedly arranged on the outer surface of the connecting plate (3), the heat conducting pipes (2) are U-shaped, the outer surface of the connecting plate (3) is provided with through holes (9) corresponding to the height positions of the heat conducting pipes (2), the outer surface of the heat dissipation plate (5) close to the connecting plate (3) is provided with a matching opening (10) communicated with the through opening (9), the heat conducting pipes (2) extend into the inner sides of the matching openings (10), the inner walls of a plurality of matching openings (10) are fixedly connected with heat conducting fins (11) together, the heat conducting fins (11) are movably attached to the outer surface of the heat conducting pipe (2).

2. The oil tank structure of an oil-filled transformer according to claim 1, characterized in that: the side section of the heat conducting fin (11) is in a semicircular shape, the heat conducting fin (11) and the heat dissipation plate (5) are fixedly connected in a welding mode, and a plurality of corners of the heat dissipation plate (5) are jointly connected with the reinforcing rods (8).

3. The oil tank structure of an oil-filled transformer according to claim 1, characterized in that: the utility model discloses a box of installing the power transmission device, including connecting plate (3), the surface of connecting plate (3) is close to border department and squeezes in mounting bolt (4), the surface of tip embedding box (1) of mounting bolt (4), screw-thread fit between mounting bolt (4) and box (1), the quantity setting of mounting bolt (4) is no less than six, and mounting bolt (4) are close to both sides department in the surface of connecting plate (3) and are the symmetry and arrange.

4. The oil tank structure of an oil-filled transformer according to claim 1, characterized in that: the front end face and the rear end face of the box body (1) are respectively extended with a limiting block (7) close to the upper end, a limiting opening (6) is formed in the position, corresponding to the height of the limiting block (7), of the outer surface of the connecting plate (3), and the limiting block (7) movably penetrates through the inner side of the limiting opening (6).

5. The oil tank structure of an oil-filled transformer according to claim 1, characterized in that: the upper end port department of box (1) extends installation edge (12), the up end of installation edge (12) runs through and has seted up a plurality of mounting holes (13).

6. The oil tank structure of an oil-filled transformer according to claim 1, characterized in that: the lower extreme fixed mounting of box (1) has base (14), terminal surface difference fixedly connected with gusset plate (15) around base (14), the lower terminal surface of gusset plate (15) keeps flushing with the lower terminal surface of base (14), the quantity setting of gusset plate (15) is no less than four, and gusset plate (15) are in the symmetry setting of the front and back terminal surface of base (14).