CN217740303U

CN217740303U - Cooling and heat dissipation device for oil-immersed transformer

Info

Publication number: CN217740303U
Application number: CN202221646707.6U
Authority: CN
Inventors: 张雪利
Original assignee: Xinjiang Energy Chemical Emin Co Ltd Of State Power Investment Group
Current assignee: Xinjiang Energy Chemical Emin Co Ltd Of State Power Investment Group
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-04
Anticipated expiration: 2032-06-29

Abstract

The utility model belongs to the technical field of the transformer, especially, be a cooling heat abstractor for oil-immersed transformer, including transformer main body, transformer main body's bottom fixed mounting has the connecting plate, the bottom fixed mounting of connecting plate has the install bin, the bottom fixed mounting of install bin has fixed case, both sides all are provided with blast apparatus around the fixed case surface, the inside left side fixed mounting of install bin has the oil pump. Can be through defeated oil pipe injection transformer main part with the transformer oil in the installation box through starting the oil pump, and oil in the transformer main part then can get into in the installation box through returning oil pipe, and can also be for refrigeration piece circular telegram, utilize the refrigeration piece to make the transformer oil's in the installation box temperature reduce, make transformer oil can be stabilized at suitable temperature, and can also dispel the heat through the refrigeration piece of blast apparatus in to the fixed box, thereby can be better to the oil-immersed transformer cooling thermal treatment.

Description

Cooling and heat dissipation device for oil-immersed transformer

Technical Field

The utility model belongs to the technical field of the transformer, concretely relates to a cooling heat abstractor for oil-immersed transformer.

Background

A power transformer is a stationary electrical device for transforming an alternating voltage (current) of a certain value into another voltage (current) of the same frequency or different values, the transformer having two or more windings, and for transmitting electrical energy, the alternating voltage and current of one system are transformed into the voltage and current of another system by electromagnetic induction at the same frequency, usually the values of these currents and voltages are different.

The transformer comprises a plurality of transformers, the oil-immersed transformer is only one of the transformers, the body (winding and iron core) of the oil-immersed transformer is arranged in an oil tank filled with transformer oil, the oil tank is welded by steel plates, and the problem of the device is how to better perform cooling and heat dissipation treatment on the oil-immersed transformer.

SUMMERY OF THE UTILITY MODEL

To solve the problems raised in the background art described above. The utility model provides a cooling heat abstractor for oil-immersed transformer has solved how better and has cooled down the problem of heat dissipation processing to oil-immersed transformer.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a cooling heat abstractor for oil-immersed transformer, includes the transformer main part, the bottom fixed mounting of transformer main part has the connecting plate, the bottom fixed mounting of connecting plate has the install bin, the bottom fixed mounting of install bin has fixed case, both sides all are provided with blast apparatus around the fixed case surface, the inside left side fixed mounting of install bin has the oil pump, the output fixed mounting of oil pump has defeated oil pipe, and defeated oil pipe's one end and the left top fixed connection of transformer main part, the right side fixed mounting of install bin has back oil pipe, and the bottom fixed connection on the one end of returning oil pipe and transformer main part right side, the inside fixed mounting of install bin has the refrigeration piece, and the one end setting of refrigeration piece is in the inside of fixed case, and the oil pump sets up in one side of refrigeration piece.

Preferably, the blowing device comprises an air inlet box, a fixed motor is fixedly mounted on the front surface of the air inlet box, a rotating fan blade is fixedly mounted on the fixed motor through a rotating shaft of the output end, an air conveying pipe is fixedly mounted on one side of the rotating fan blade, and one end of the air conveying pipe is fixedly connected with one side of the fixed box.

Preferably, the top of the air inlet box is fixedly provided with an air inlet pipe, and the air inlet box, the air delivery pipe, the fixed motor, the air inlet pipe and the rotating fan blades are provided with two groups.

Preferably, the left side of the surface of the fixed box is fixedly provided with a plurality of radiating grooves, and the radiating grooves are in a linear array on the surface of the fixed box.

Preferably, the two sides of the bottom of the transformer main body are fixedly provided with supporting plates, the bottom of each supporting plate is fixedly provided with a bottom plate, and the surface of each bottom plate is fixedly provided with a fixing hole.

Preferably, the front side, the rear side, the left side and the right side of the surface of the transformer main body are fixedly provided with a plurality of radiating fins, and the radiating fins are arranged on the surface of the transformer main body in a linear array.

Preferably, the oil delivery pipe and the oil return pipe are both provided with two, and the oil delivery pipe and the oil return pipe are arranged at the gap of the radiating fin.

Compared with the prior art, the beneficial effects of the utility model are that:

can be through defeated oil pipe injection transformer main part with the transformer oil in the installation case through starting the oil pump, and oil in the transformer main part then can get into in the installation case through returning oil pipe, and can also be for the refrigeration piece circular telegram, utilize the refrigeration piece to make the temperature of the transformer oil in the installation case reduce, make transformer oil can stabilize at suitable temperature, and can also dispel the heat through blast apparatus to the refrigeration piece in the fixed case, thereby can be better cool down the thermal treatment to oil-immersed transformer.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective structural view of the present invention;

FIG. 3 is an internal cross-sectional view of the mounting box of the present invention;

fig. 4 is an internal cross-sectional view of the fixing box of the present invention;

fig. 5 is an internal cross-sectional view of the intake box of the present invention.

In the figure: 1. a transformer body; 2. a connecting plate; 3. an oil delivery pipe; 4. a fixed box; 5. an air intake box; 6. installing a box; 7. a support plate; 8. an oil return pipe; 9. a heat sink; 10. a base plate; 11. a fixing hole; 12. a wind delivery pipe; 13. fixing a motor; 14. an oil pump; 15. a refrigeration plate; 16. a heat sink; 17. an air inlet pipe; 18. the fan blades are rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a cooling heat abstractor for oil-immersed transformer, including transformer main body 1, transformer main body 1's bottom fixed mounting has connecting plate 2, the bottom fixed mounting of connecting plate 2 has install bin 6, the bottom fixed mounting of install bin 6 has fixed case 4, both sides all are provided with blast apparatus around the fixed case 4 surface, the inside left side fixed mounting of install bin 6 has oil pump 14, oil pump 14's output end fixed mounting has defeated oil pipe 3, and defeated oil pipe 3's one end and the 1 left top fixed connection of transformer main body, the right side fixed mounting of install bin 6 has oil return pipe 8, and the one end of oil return pipe 8 and the bottom fixed connection on transformer main body 1 right side, the inside fixed mounting of install bin 6 has refrigeration piece 15, and the one end setting of refrigeration piece 15 is in the inside of fixed bin 4, and oil pump 14 sets up in one side at refrigeration piece 15.

When the transformer oil cooling device is used, firstly, the transformer oil in the installation box 6 can be injected into the transformer main body 1 through the oil conveying pipe 3 by starting the oil pump 14, the transformer oil in the transformer main body 1 can enter the installation box 6 through the oil return pipe 8, the refrigeration sheet 15 can be electrified, the temperature of the transformer oil in the installation box 6 is reduced by utilizing the refrigeration sheet 15, the transformer oil can be stabilized at a proper temperature, in addition, as the cold end of the refrigeration sheet 15 is arranged in the installation box 6, and the hot end of the refrigeration sheet 15 is arranged in the fixed box 4, after the refrigeration sheet 15 is electrified, the fixed motor 13 can be started to drive the rotating fan blades 18 to rotate, the outside air is sucked into the air inlet box 5 through the air inlet pipe 17, and then the air is blown into the fixed box 4 through the air conveying pipe 12, so as to be beneficial to the heat of the hot end of the refrigeration sheet 15, the cold end of the refrigeration sheet 15 can be always kept in a low temperature state, so that the oil immersed transformer can be better cooled and radiated, the oil delivery pipe 3 and the oil return pipe 8 are arranged in two, so that the flowing speed of transformer oil in the transformer body 1 can be accelerated, the oil delivery pipe 3 and the oil return pipe 8 are arranged in the gap of the cooling sheet 9, so that the oil delivery pipe 3 and the oil return pipe 8 can be better protected by the cooling sheet 9, the device can be conveniently installed by arranging the support plate 7, the bottom plate 10 and the fixing hole 11, so that the device can be firmly installed at a corresponding position, the air blown into the fixing box 4 can be conveniently discharged by arranging the cooling grooves 16, so that the heat at the hot end of the refrigeration sheet 15 can be quickly taken away, the cooling sheet 9 arranged on the surface of the transformer body 1 is provided with a plurality of cooling sheets 9, so can promote transformer body 1's radiating effect through increasing transformer body 1 and outside air's area of contact for this device has the higher advantage of radiating efficiency, and because transformer oil is good insulating and cooling material, so the problem of electric leakage can not appear, and all consumer all supply power through external power supply in this device.

In an aspect of this embodiment, the cold junction setting of refrigeration piece 15 is in install bin 6, and the hot junction setting of refrigeration piece 15 is in fixed case 4, after 15 circular telegrams for the refrigeration piece, then can start fixed motor 13 and drive rotatory flabellum 18 and rotate, air with the external world is through intake pipe 17 suction inlet box 5, later rethread defeated tuber pipe 12 blows in the air in fixed case 4, so that do benefit to the air that flows and take away the heat at refrigeration piece 15 hot junction, make the cold junction of refrigeration piece 15 can remain the low temperature state throughout, be favorable to timely transformer oil for in install bin 6 to cool down and handle.

In an aspect of this embodiment, and the setting of radiating groove 16, then can be convenient for blow in the air in fixed case 4 and can discharge to in order to take away the heat in refrigeration piece 15 hot junction fast, and at the fin 9 of transformer main part 1 surface setting, and because fin 9 is provided with a plurality ofly, so can be through increasing the area of contact of transformer main part 1 with the outside air, promote the radiating effect of transformer main part 1, make this device have the higher advantage of radiating efficiency.

In an aspect of this embodiment, and defeated oil pipe 3 and return oil pipe 8 are provided with two, then can accelerate the flow velocity of transformer oil in transformer main part 1 inside, and because defeated oil pipe 3 and return oil pipe 8 set up the clearance department at fin 9, so can utilize better protection defeated oil pipe 3 of fin 9 and return oil pipe 8, and to backup pad 7, bottom plate 10 and fixed orifices 11's setting, then can be convenient for this device to install for this device can be firm installs in corresponding position.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cooling heat abstractor for oil-immersed transformer, includes transformer main part (1), its characterized in that: the bottom fixed mounting of transformer main part (1) has connecting plate (2), the bottom fixed mounting of connecting plate (2) has install bin (6), the bottom fixed mounting of install bin (6) has fixed case (4), both sides all are provided with blast apparatus around fixed case (4) surface, the inside left side fixed mounting of install bin (6) has oil pump (14), the output fixed mounting of oil pump (14) has defeated oil pipe (3), and the one end of defeated oil pipe (3) and the left top fixed connection of transformer main part (1), the right side fixed mounting of install bin (6) has back oil pipe (8), and the bottom fixed connection on one end and transformer main part (1) right side of returning oil pipe (8), the inside fixed mounting of install bin (6) has refrigeration piece (15), and the one end setting of refrigeration piece (15) is in the inside of fixed case (4), and oil pump (14) set up the one side at refrigeration piece (15).

2. The cooling and heat dissipating device for the oil-filled transformer according to claim 1, wherein: the blowing device comprises an air inlet box (5), a fixed motor (13) is fixedly mounted on the front face of the air inlet box (5), a rotating fan blade (18) is fixedly mounted on the fixed motor (13) through a rotating shaft of an output end, an air conveying pipe (12) is fixedly mounted on one side of the rotating fan blade (18), and one end of the air conveying pipe (12) is fixedly connected with one side of a fixed box (4).

3. The cooling and heat dissipating device for the oil-filled transformer according to claim 2, wherein: the top of air inlet box (5) is fixed with intake pipe (17), and air inlet box (5), defeated tuber pipe (12), fixed motor (13), intake pipe (17) and rotating fan blade (18) all are provided with two sets ofly.

4. The cooling and heat dissipating device for the oil-filled transformer according to claim 1, wherein: the left side fixed mounting on fixed case (4) surface has radiating groove (16), and radiating groove (16) are provided with a plurality ofly, and radiating groove (16) are linear array on the surface of fixed case (4).

5. The cooling and heat dissipating device for the oil-filled transformer according to claim 1, wherein: the transformer is characterized in that supporting plates (7) are fixedly mounted on two sides of the bottom of the transformer body (1), a bottom plate (10) is fixedly mounted at the bottom of each supporting plate (7), and fixing holes (11) are fixedly mounted on the surface of each bottom plate (10).

6. The cooling and heat dissipating device for the oil-filled transformer according to claim 1, wherein: all fixed mounting has fin (9) around transformer main part (1) surface both sides and left and right sides, and fin (9) are provided with a plurality ofly, and fin (9) are linear array on transformer main part (1) surface.

7. The cooling and heat dissipating device for the oil-filled transformer according to claim 1, wherein: defeated oil pipe (3) and time oil pipe (8) all are provided with two, and defeated oil pipe (3) and time oil pipe (8) set up the clearance department at fin (9).