CN213242174U

CN213242174U - Transformer convenient to heat dissipation

Info

Publication number: CN213242174U
Application number: CN202022125262.4U
Authority: CN
Inventors: 王秩才; 王进
Original assignee: Jiangsu Judong Electrical Equipment Co ltd
Current assignee: Jiangsu Judong Electrical Equipment Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-18
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a transformer convenient to heat dissipation, including transformer body, setting at the solar cell panel of transformer body top surface, setting cooling tuber pipe, setting at transformer body air guide pipe all around on the lateral wall all around and the air-blast device of setting in cooling tuber pipe one side. The utility model, through the cooperation of the semiconductor refrigeration piece and the electric fan, blows cold air over the surface of the transformer body, accelerates the heat dissipation of the transformer and improves the cooling effect; the solar panel supplies power to the electric fan and the semiconductor refrigerating sheet, the condition that the transformer is outdoors is fully utilized, energy consumption is reduced, lines are reduced, sealing of the transformer can be enhanced, and the internal arrangement of the transformer is protected.

Description

Transformer convenient to heat dissipation

Technical Field

The utility model relates to a transformer convenient to heat dissipation belongs to transformer equipment technical field.

Background

The high-frequency transformer generates copper loss and iron loss during operation, and the two losses are finally converted into heat energy, so that an iron core and a winding of the high-frequency transformer generate heat, and the temperature of the high-frequency transformer is increased; in addition, the winding is heated by current, and when the heat of the high-frequency transformer is dissipated to the environment to reach thermal balance, the temperature of each part of the high-frequency transformer is a stable value. If the temperature of each part of the high-frequency transformer exceeds the allowable range for a long time, especially if the oil temperature of the high-frequency transformer is higher than the normal temperature by more than 10 ℃ or the temperature is continuously increased, the insulation of the high-frequency transformer is easily damaged, and the high-frequency transformer is easily broken down by high voltage to cause faults or accidents. Therefore, the allowable temperature of the insulation is not allowed to be exceeded when the transformer is normally operated. The existing transformer is generally passively cooled through the cooling fins arranged on the outer oil tank frame of the transformer, the cooling effect is poor, the operation of the transformer is influenced, particularly in the direct sunlight outside, the air temperature is very high in the weather, and the cooling effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a transformer convenient for heat dissipation, which blows cold air over the surface of the transformer body through the cooperation of a semiconductor refrigeration sheet and an electric fan, accelerates the heat dissipation of the transformer and improves the cooling effect; the solar panel supplies power to the electric fan and the semiconductor refrigerating sheet, the condition that the transformer is outdoors is fully utilized, energy consumption is reduced, lines are reduced, sealing of the transformer can be enhanced, and the internal arrangement of the transformer is protected.

In order to realize the purpose, the transformer convenient for heat dissipation comprises a transformer body, a solar cell panel arranged on the top surface of the transformer body, a cooling air pipe arranged on the peripheral side wall of the transformer body, an air guide pipe arranged on the periphery of the transformer body and an air blower arranged on one side of the cooling air pipe, wherein a plurality of strip-shaped heat dissipation gratings in the vertical direction are uniformly arranged on the peripheral side wall of the transformer body, the cooling air pipe is a rectangular pipe body surrounding the transformer body and hollow inside, an air inlet is formed in the side wall of the cooling air pipe, a partition plate penetrating through the bottom wall is arranged on the bottom wall of the cooling air pipe, a plurality of semiconductor refrigeration pieces are arranged on the part of the partition plate in the cavity of the cooling air pipe, the refrigeration faces of the semiconductor refrigeration pieces face towards the center of the cooling air pipe, and cold air outlets and hot air outlets corresponding to the refrigeration face and the heating face The solar energy transformer comprises a transformer body, a heat dissipation grid is arranged on the transformer body, an outlet is arranged on the lower portion of the partition plate, an air guide pipe sleeved outside the heat dissipation grid of the transformer body is arranged on the lower portion of the partition plate, the air blowing device comprises a shell body in butt joint with an air inlet and an electric fan arranged in the shell body, and the solar cell panel is electrically connected with the electric fan and the semiconductor refrigerating sheet.

Preferably, a guide plate inclining towards the direction far away from the transformer body is arranged on a plate body of the partition plate positioned outside the cooling air pipe.

Preferably, the air guide pipe is a foldable telescopic pipe.

Preferably, the lower part of the air guide pipe is provided with a magnet which can be adsorbed on a heat dissipation grid of the transformer body.

Preferably, a filter screen is arranged on the air inlet end of the shell of the air blowing device.

Preferably, the outer surface of the air guide pipe is provided with a light reflecting coating.

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

1. the semiconductor refrigerating sheet is matched with the electric fan to blow cold air on the surface of the transformer body, so that the heat dissipation of the transformer is accelerated, and the cooling effect is improved;

2. the solar panel supplies power to the electric fan and the semiconductor refrigerating sheet, the condition that the transformer is outdoors is fully utilized, energy consumption is reduced, lines are reduced, sealing of the transformer can be enhanced, and the internal arrangement of the transformer is protected.

Drawings

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

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

FIG. 3 is a schematic structural view of the cooling air duct of the present invention;

fig. 4 is a first cross-sectional view of the cooling air duct of the present invention;

fig. 5 is a second sectional view of the cooling air duct of the present invention;

fig. 6 is a schematic structural view of the utility model at a;

fig. 7 is a sectional view of the blower device of the present invention.

In the figure: 1. the solar cooling air cooling system comprises a transformer body, 2 parts of a solar cell panel, 3 parts of a cooling air pipe, 3-1 parts of an air inlet, 3-2 parts of a partition plate, 3-3 parts of a semiconductor refrigerating sheet, 3-4 parts of a cold air outlet, 3-5 parts of a hot air outlet, 4 parts of a blowing device, 4-1 parts of a shell, 4-2 parts of an electric fan, 5 parts of an air guide pipe.

Detailed Description

The technical solutions in the implementation of the present invention will be clear from the following description and accompanying drawings, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 7, a transformer convenient for heat dissipation provided by the embodiment of the present invention comprises a transformer body 1, a solar panel 2 disposed on the top surface of the transformer body 1, a cooling air duct 3 disposed on the peripheral side wall of the transformer body 1, an air duct 5 disposed on the periphery of the transformer body 1, and an air blower 4 disposed on one side of the cooling air duct 3, wherein a plurality of vertically oriented strip-shaped heat dissipation grilles are uniformly disposed on the peripheral side wall of the transformer body 1, the cooling air duct 3 is a rectangular tube surrounding the transformer body 1 and having a hollow interior, an air inlet 3-1 is disposed on the side wall of the cooling air duct 3, a partition plate 3-2 penetrating the bottom wall is disposed on the bottom wall of the cooling air duct 3, and a plurality of semiconductor cooling fins 3-3 are disposed on the portion of the partition plate 3-2 located in the cavity of the cooling air, the refrigerating surface of the semiconductor refrigerating sheet 3-3 faces the center of the cooling air pipe 3, a cold air outlet 3-4 and a hot air outlet 3-5 which correspond to the refrigerating surface and the heating surface of the semiconductor refrigerating sheet 3-3 are respectively arranged on the bottom wall of the cooling air pipe 3 and positioned on two sides of the partition plate 3-2, an air guide pipe 5 sleeved outside a heat dissipation grid of the transformer body 1 is arranged on the lower portion of the partition plate 3-2, the air blowing device 4 comprises a shell 4-1 in butt joint with the air inlet 3-1 and an electric fan 4-2 arranged in the shell 4-1, and the solar cell panel 2 is electrically connected with the electric fan 4-2 and the semiconductor refrigerating sheet 3-3.

Preferably, the baffle plate 6 inclined away from the transformer body 1 is arranged on the plate body of the partition plate 3-2 outside the cooling air duct 3. The hot air is directed away from the transformer body 1.

Preferably, the air guide pipe 5 is a foldable telescopic pipe. The transformer body 1 with different heights can be matched.

Preferably, the lower part of the air duct 5 is provided with a magnet capable of being adsorbed on the heat dissipation grid of the transformer body 1. So as to fix the air guide pipe 5.

Preferably, a filter screen is arranged on the air inlet end of the casing of the air blowing device 4. Filtering the impurities in the air and protecting the electric fan 4-2 and the semiconductor refrigerating sheet 3-3.

Preferably, the outer surface of the air guide pipe 5 is provided with a light reflecting coating. Plays the role of thermal insulation.

The working process is as follows: the solar cell panel 2 supplies power to the electric fan 4-2 and the semiconductor refrigerating sheet 3-3, the electric fan 4-2 blows air into the cooling air pipe 3, the refrigerating surface of the semiconductor refrigerating sheet 3-3 reduces the air temperature, the air flows, the cold air is blown out from the cold air outlet 3-4 close to the transformer body 1, the heat generated by the semiconductor refrigerating sheet 3-3 is discharged from the hot air outlet 3-5, the cold air is limited on the surface of the transformer body 1 by the air guide pipe 5 and is discharged from the bottom of the heat dissipation grid, and the heat generated by the transformer body 1 is discharged.

In summary, the utility model, through the cooperation of the semiconductor refrigeration piece 3-3 and the electric fan 4-2, blows cold air over the surface of the transformer body 1, accelerates the heat dissipation of the transformer, and improves the cooling effect; the solar panel 2 supplies power to the electric fan 4-2 and the semiconductor refrigerating sheet 3-3, so that the condition that the transformer is outdoors is fully utilized, the energy consumption is reduced, the circuit is reduced, the sealing of the transformer can be enhanced, and the internal arrangement of the transformer is protected.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. The transformer convenient for heat dissipation is characterized by comprising a transformer body (1), a solar cell panel (2) arranged on the top surface of the transformer body (1), a cooling air pipe (3) arranged on the peripheral side wall of the transformer body (1), an air guide pipe (5) arranged on the periphery of the transformer body (1) and a blower device (4) arranged on one side of the cooling air pipe (3), wherein a plurality of strip-shaped heat dissipation gratings in the vertical direction are uniformly arranged on the peripheral side wall of the transformer body (1), the cooling air pipe (3) is a rectangular pipe body surrounding the transformer body (1) and hollow inside, an air inlet (3-1) is formed in the side wall of the cooling air pipe (3), a partition plate (3-2) penetrating through the bottom wall is arranged on the bottom wall of the cooling air pipe (3), and a plurality of semiconductor refrigeration pieces (3-3) are arranged on the part of the partition plate (3-2) located in the cavity of the cooling air pipe (3) The refrigerating surface of the semiconductor refrigerating sheet (3-3) faces to the center of the cooling air pipe (3), a cold air outlet (3-4) and a hot air outlet (3-5) which correspond to the refrigerating surface and the heating surface of the semiconductor refrigerating sheet (3-3) are respectively arranged on the bottom wall of the cooling air pipe (3) and on the two sides of the partition plate (3-2), the lower part of the partition plate (3-2) is provided with an air guide pipe (5) sleeved outside the heat dissipation grid of the transformer body (1), the air blowing device (4) comprises a shell (4-1) which is butted with the air inlet (3-1) and an electric fan (4-2) arranged in the shell (4-1), the solar cell panel (2) is electrically connected with the electric fan (4-2) and the semiconductor refrigerating sheet (3-3).

2. The transformer for facilitating heat dissipation according to claim 1, wherein the partition plate (3-2) is provided with a flow guide plate (6) inclined away from the transformer body (1) on a plate body outside the cooling air duct (3).

3. The transformer facilitating heat dissipation according to claim 1, wherein the air duct (5) is a foldable telescopic tube.

4. The transformer convenient for heat dissipation according to claim 1, wherein the lower part of the air duct (5) is provided with a magnet capable of being adsorbed on a heat dissipation grid of the transformer body (1).

5. The transformer for facilitating heat dissipation according to claim 1, wherein a filter screen is disposed on an air inlet end of the housing of the blower device (4).

6. The transformer for facilitating heat dissipation according to claim 1, wherein the outer surface of the air duct (5) is provided with a reflective coating.