CN218414182U

CN218414182U - Cooling structure of dry-type power transformer

Info

Publication number: CN218414182U
Application number: CN202222682773.5U
Authority: CN
Inventors: 张灿; 邹凤; 孙思敏
Original assignee: Anhui Guokai Power Technology Co ltd
Current assignee: Anhui Guokai Power Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-31
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a dry-type power transformer's cooling structure, including box and transformer body, install the mount table in the box, transformer body installs on the mount table, run through on the box and be equipped with a plurality of louvres, the inner wall fixedly connected with mounting panel of box, run through from top to bottom and be equipped with the standpipe of rotating the connection on the mounting panel, the bottom fixedly connected with U type pipe of standpipe, the inboard lateral wall of U type pipe runs through and is equipped with a plurality of through-holes, install drive standpipe, U type pipe pivoted actuating mechanism on the mounting panel, the upper end of box is run through and is installed the sleeve pipe, install the otter board in the sleeve pipe, install the semiconductor refrigeration piece on the otter board. The utility model discloses in radiator work can carry refrigerated air to the U type pipe through the standpipe, through-hole blowout and U type pipe rotation, consequently can carry out comprehensive effectual heat dissipation to transformer body, can remove dust to transformer body surface simultaneously and handle.

Description

Cooling structure of dry-type power transformer

Technical Field

The utility model relates to a transformer technical field especially relates to a dry-type power transformer's cooling structure.

Background

The prior art discloses a cooling structure of a dry-type power transformer with application number CN202122240900.1, which comprises a tank and a transformer body. The transformer body is arranged in the box body, a plurality of heat dissipation holes are formed in the outer side of the box body, and a cooling assembly and a blowing mechanism are arranged above the transformer body. The cooling assembly comprises a cooling pipe and a connecting plate, and the blowing mechanism comprises a motor, a vertical rod, a connecting frame and a motor. This dry-type power transformer's cooling structure design benefit, the mechanism of blowing can provide the different wind directions of a plurality of angles to the transformer body, and cooling module can give out air conditioning, blows in each inside of box through the air conditioning that the mechanism of blowing will cool off the subassembly and give off for the air current circulation speed in the box is faster, and the cooling effect is better.

The above prior art has the disadvantage that although it can provide a plurality of wind directions with different angles to the transformer body, the cooling effect on the side surface of the transformer is not very good, and further improvement is needed, so that the cooling effect on the transformer can be further improved.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solve the above technical problems, and provides a cooling structure for a dry power transformer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dry-type power transformer's cooling structure, includes box and transformer body, install the mount table in the box, the transformer body is installed on the mount table, it is equipped with a plurality of louvres to run through on the box, the inner wall fixedly connected with mounting panel of box, run through from top to bottom and be equipped with the standpipe that rotates the connection, the bottom fixedly connected with U type pipe of standpipe, the inboard lateral wall of U type pipe runs through and is equipped with a plurality of through-holes, install drive standpipe, U type pipe pivoted actuating mechanism on the mounting panel, the sleeve pipe is installed in running through to the upper end of box, the screen plate is installed to the cover intraductal, install the semiconductor refrigeration piece on the screen plate, install heat dissipation mechanism on the semiconductor refrigeration piece, install the cooling fan who is connected with the standpipe in the sleeve pipe.

Preferably, the U-shaped pipe covers the outside of the transformer body and is not arranged in an abutting mode.

Preferably, the driving mechanism comprises a motor installed on the installation plate, an output end of the motor is fixedly connected with a first bevel gear, a second bevel gear is installed on the vertical pipe, and the first bevel gear is meshed with the second bevel gear.

Preferably, the heat dissipation mechanism comprises a heat conduction plate which is abutted to the heating end of the semiconductor refrigeration sheet, a plurality of heat dissipation fins are fixed on the heat conduction plate, fans are installed on the heat dissipation fins, and L-shaped pipes are installed at the air outlet ends of the fans.

Preferably, the front and rear width of the mounting plate is smaller than the width of the front and rear inner walls of the box body.

Preferably, the air inlet end of the heat dissipation fan is opposite to the semiconductor refrigeration sheet, and the vertical pipe is rotatably connected with the air outlet end of the heat dissipation fan.

Preferably, the U-shaped pipe rotates to form a circumference diameter smaller than the width between the opposite inner walls of the box body.

The utility model has the advantages that:

the utility model discloses in radiator work can carry refrigerated air to the U type pipe through the standpipe, through-hole blowout and U type pipe rotation, consequently can carry out comprehensive effectual heat dissipation to transformer body, can remove dust to transformer body surface simultaneously and handle.

Drawings

Fig. 1 is a schematic structural diagram of a cooling structure of a dry power transformer according to the present invention;

fig. 2 is a schematic structural view of a part of a cooling structure of a dry power transformer according to the present invention;

fig. 3 is a schematic structural diagram of a heat dissipation mechanism in a cooling structure of a dry power transformer according to the present invention;

fig. 4 is a top view of the mounting plate and the box in the cooling structure of the dry power transformer according to the present invention.

In the figure: the transformer comprises a box body 1, a mounting table 2, a transformer body 3, a mounting plate 4, a U-shaped tube 5, a motor 6, a first bevel gear 7, a second bevel gear 8, a vertical tube 9, a sleeve 10, a heat dissipation fan 11, a screen plate 12, a semiconductor refrigeration sheet 13, a heat dissipation mechanism 14, a heat conduction plate 15, heat dissipation fins 16, a fan 17, through holes 18, an L-shaped tube 19 and heat dissipation holes 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a cooling structure of a dry-type power transformer includes a box 1 and a transformer body 3, wherein a mounting table 2 is installed in the box 1, the transformer body 3 is installed on the mounting table 2, a plurality of heat dissipation holes 20 are arranged on the box 1 in a penetrating manner, and a filter screen can be installed in the heat dissipation holes 20; the inner wall of box 1 is fixedly connected with mounting panel 4, and the front and back width of mounting panel 4 is less than the width of inner wall around box 1.

The mounting plate 4 is provided with a vertical pipe 9 which is connected in a rotating mode in a vertically penetrating mode, the bottom of the vertical pipe 9 is fixedly connected with a U-shaped pipe 5, the U-shaped pipe 5 covers the outer portion of the transformer body 3 and is not arranged in an abutting mode, and the U-shaped pipe 5 rotates to form a circle with the diameter smaller than the width between the opposite inner walls of the box body 1.

The inside lateral wall of U type pipe 5 runs through and is equipped with a plurality of through-holes 18, installs drive standpipe 9, U type pipe 5 pivoted actuating mechanism on the mounting panel 4, and actuating mechanism is including installing the motor 6 on mounting panel 4, and the output end fixedly connected with of motor 6 has first bevel gear 7, installs second bevel gear 8 on the standpipe 9, and first bevel gear 7 and second bevel gear 8 mesh mutually.

The upper end of the box body 1 is provided with a sleeve 10 in a penetrating manner, the sleeve 10 is internally provided with a screen plate 12, the screen plate 12 is provided with a semiconductor refrigerating sheet 13, the semiconductor refrigerating sheet 13 is provided with a heat dissipation mechanism 14, the heat dissipation mechanism 14 comprises a heat conduction plate 15 which is abutted against the heating end of the semiconductor refrigerating sheet 13, the heat conduction plate 15 is fixedly provided with a plurality of heat dissipation fins 16, the heat dissipation fins 16 are provided with a fan 17, the air outlet end of the fan 17 is provided with an L-shaped pipe 19, the L-shaped pipe 19 can lead out heat emitted by the semiconductor refrigerating sheet 13, and the heat cannot be absorbed into the box body 1 by the heat dissipation fan 11.

The sleeve 10 is internally provided with a heat radiation fan 11 connected with the vertical pipe 9, the air inlet end of the heat radiation fan 11 is arranged opposite to the semiconductor refrigeration sheet 13, and the vertical pipe 9 is rotatably connected with the air outlet end of the heat radiation fan 11.

The utility model discloses when using, electrify for motor 6, cooling fan 11, semiconductor refrigeration piece 13, fan 17, motor 6 work drives first bevel gear 7, second bevel gear 8 rotates, thereby realize that standpipe 9 and U type pipe 5 rotate, semiconductor refrigeration piece 13 works the refrigeration end refrigeration of its bottom, then cooling fan 11 work can carry refrigerated air to U type pipe 5 through standpipe 9 in, finally, spout through-hole 18 and U type pipe 5 rotates, therefore can carry out comprehensive effective heat dissipation to transformer body 3, can carry out dust removal processing to transformer body 3 surface simultaneously;

the heat of the semiconductor refrigeration piece 13 is transferred to the heat conduction plate 15 and the heat dissipation fins 16, then the fan 17 works to dissipate the heat of the heat dissipation fins 16 and the semiconductor refrigeration piece 13, the heat is led out through the L-shaped pipe 19, and the arrangement of the L-shaped pipe 19 enables the hot air not to enter the box body 1 due to the work of the heat dissipation fan 11.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a cooling structure of dry-type power transformer, includes box (1) and transformer body (3), its characterized in that, install mount table (2) in box (1), install on mount table (2) transformer body (3), it is equipped with a plurality of louvres (20) to run through on box (1), the inner wall fixedly connected with mounting panel (4) of box (1), run through about mounting panel (4) and be equipped with standpipe (9) of rotation connection, the bottom fixedly connected with U type pipe (5) of standpipe (9), the inboard lateral wall of U type pipe (5) runs through and is equipped with a plurality of through-holes (18), install drive standpipe (9), U type pipe (5) pivoted actuating mechanism on mounting panel (4), the upper end through mounting of box (1) has sleeve pipe (10), install otter board (12) in sleeve pipe (10), install semiconductor refrigeration piece (13) on otter board (12), install heat dissipation mechanism (14) on semiconductor refrigeration piece (13), install heat dissipation fan (11) that are connected with standpipe (9) in sleeve pipe (10).

2. A cooling structure of a dry-type power transformer according to claim 1, characterized in that the U-shaped tubes (5) are covered outside the transformer body (3) and are not arranged against each other.

3. A cooling structure for a dry-type power transformer according to claim 1, characterized in that the driving mechanism comprises a motor (6) mounted on the mounting plate (4), the output end of the motor (6) is fixedly connected with a first bevel gear (7), the vertical tube (9) is mounted with a second bevel gear (8), and the first bevel gear (7) and the second bevel gear (8) are engaged.

4. The cooling structure of the dry-type power transformer according to claim 1, wherein the heat dissipation mechanism (14) comprises a heat conduction plate (15) abutting against the heat-generating end of the semiconductor refrigeration sheet (13), a plurality of heat dissipation fins (16) are fixed on the heat conduction plate (15), a fan (17) is installed on the heat dissipation fins (16), and an L-shaped pipe (19) is installed at the air outlet end of the fan (17).

5. A cooling structure of a dry type power transformer as claimed in claim 1, characterized in that the front-rear width of the mounting plate (4) is smaller than the width of the front-rear inner wall of the tank (1).

6. The cooling structure of a dry-type power transformer as claimed in claim 1, wherein the air inlet end of the heat dissipation fan (11) is opposite to the semiconductor chilling plate (13), and the vertical tube (9) is rotatably connected with the air outlet end of the heat dissipation fan (11).

7. A cooling structure of a dry type power transformer as claimed in claim 1, characterized in that said U-shaped tube (5) is rotated to form a circumference diameter smaller than the width between the opposite inner walls of the tank (1).