CN209948439U

CN209948439U - Dampproofing thermal diffusivity prepackage type transformer case

Info

Publication number: CN209948439U
Application number: CN201920900263.6U
Authority: CN
Inventors: 高永忠
Original assignee: Shandong Zhengda Power Supply Equipment Co Ltd
Current assignee: Shandong Zhengda Power Supply Equipment Co Ltd
Priority date: 2019-06-16
Filing date: 2019-06-16
Publication date: 2020-01-14
Anticipated expiration: 2029-06-16

Abstract

The utility model discloses a moisture-proof heat dissipation prepackage type transformer box, which comprises a box body, the top of the box body is provided with an air vent, an exhaust fan is fixedly arranged on the air vent, the top of the box body is embedded with a semiconductor refrigeration sheet, the side surface of the box body is provided with an air inlet, the air inlet is connected with a lower end communicating port of a condensation pipeline, a heat dissipation fan is fixedly arranged in the box body, an air inlet of the heat dissipation fan is connected with an upper end communicating port of the condensation pipeline through a flow guide pipe, and the top of the box body is welded with a baffle; the air is discharged from the air inlet through the backflow of the condensation pipeline, and the cooled air enters the box body through the condensation pipe, so that the entry of external damp air is prevented, the damage to circuit facilities is prevented, the potential safety hazard is eliminated, and the service life of the transformer box is prolonged; the cold air passing through the condensing pipeline is introduced into the box body through the heat dissipation fan arranged in the box body to cool the internal equipment.

Description

Dampproofing thermal diffusivity prepackage type transformer case

Technical Field

The utility model relates to a transformer case technical field specifically is a dampproofing thermal diffusivity prepackage type transformer case.

Background

The pre-installed transformer box is also called a box-type transformer substation. The high-voltage distribution transformer is a factory prefabricated indoor and outdoor compact distribution device which is formed by integrating high-voltage switch equipment, a distribution transformer and a low-voltage distribution device according to a certain wiring scheme, and is particularly suitable for urban network construction and transformation. The transformer box is a box body for converting, concentrating and distributing the voltage and the current of electric energy in an electric power system, and the interior of the transformer box is generally designed into a relatively closed space so as to prevent external moist air from entering, easily gather water vapor which greatly harms circuit facilities, thus the service life of the transformer box is shortened and even serious potential safety hazards are caused; meanwhile, when the interior of the transformer box is sealed, the heat dissipation effect of the transformer box is poor.

The currently used moisture-proof mode in the distribution box mainly comprises desiccant moisture-proof, and the moisture-proof mode is difficult to meet the requirements due to slow water absorption, small water absorption amount and frequent replacement; in addition, the heat drying method is also damp-proof, and is not suitable because the temperature rise caused by heating may have adverse effects on electrical equipment. Therefore, it is desirable to provide a prefabricated substation with moisture-proof and heat dissipation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dampproofing thermal diffusivity prepackage type transformer case is convenient for dehumidify and good radiating effect to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dampproofing thermal diffusivity prepackage type transformer case, includes the box, the gas vent has been seted up at the top of box, fixed mounting has the air discharge fan on the gas vent, the top of box is inlayed and is equipped with the semiconductor refrigeration piece, the external fixed surface of box installs radiating fin, radiating fin's heat conduction face and the laminating of the face that heats of semiconductor refrigeration piece, install the condensation duct in the box, the condensation duct is installed on the refrigeration face of semiconductor refrigeration piece, the air inlet has been seted up to the side of box, the air inlet is connected with condensation duct's lower extreme intercommunication mouth, fixed mounting has the heat dissipation fan in the box, the air intake of heat dissipation fan passes through the honeycomb duct and is connected with condensation duct's upper end intercommunication mouth, the top welding.

Preferably, the lower surface of the semiconductor refrigeration piece is connected with a heat conduction column, the condensation pipeline is a spiral pipeline, and the spiral pipeline is coiled on the heat conduction column.

Preferably, the welding has the fixture block on the box inner wall, and is provided with the mounting panel in the box, the draw-in groove fixed with fixture block cooperation joint is seted up at the back of mounting panel.

Preferably, the bottom of the box body is provided with a drain hole, the lower surface of the drain hole is hinged with a sealing cover, and a torsional spring is installed at the hinged position of the sealing cover.

Preferably, the front both sides of box are articulated respectively through the hinge to have a cabinet door, and the internal surface edge of cabinet door pastes and has sealed the pad, fixed mounting has the handle on the cabinet door.

Preferably, a rainproof baffle is arranged on an outer port of the air inlet, and the installation height of the air inlet is lower than a lower end communication port of the condensation pipeline.

Preferably, the downside of box is provided with the supporting seat, and four corners of box lower surface fixed welding respectively have the supporting leg, the lower extreme of supporting leg is installed on the supporting seat.

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

1. the external damp air enters the box body through the air inlet, when the damp air passes through the condensing pipeline, the damp air is affected by the low-temperature environment, so that water vapor in the air is liquefied when meeting cold, and is discharged from the air inlet through the backflow of the condensing pipeline, and the air subjected to cooling treatment enters the box body through the condensing pipe, so that the external damp air is prevented from entering, the damage to circuit facilities is avoided, the potential safety hazard is eliminated, and the service life of the transformer box is prolonged;

2. through setting up the gas vent at the box top for the steam quilt of box top gathering is discharged, and the cold air that will pass through the condensation duct through the heat dissipation fan of installation in the box is introduced the box and is cooled down the processing to the internal plant, and the radiating of being convenient for is continuously gone on, avoids the temperature to rise and produces harmful effects to electrical equipment.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic structural diagram of a condensing duct according to the present invention;

fig. 5 is a schematic structural diagram of a point a in fig. 3 according to the present invention.

In the figure: 1. a box body; 2. supporting legs; 3. a supporting seat; 4. a baffle plate; 5. an exhaust port; 6. an exhaust fan; 7. a heat dissipating fin; 8. a semiconductor refrigeration sheet; 9. a heat-conducting column; 10. a condensing duct; 11. an air inlet; 12. a heat dissipation fan; 13. a flow guide pipe; 14. mounting a plate; 15. a clamping block; 16. a drain hole; 17. a sealing cover; 18. a cabinet door; 19. a handle.

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. 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 a technical solution: the utility model provides a dampproofing thermal diffusivity prepackage type transformer case, includes box 1, gas vent 5 has been seted up at the top of box 1, fixed mounting has air discharge fan 6 on the gas vent 5, semiconductor refrigeration piece 8 is inlayed at the top of box 1, the external fixed surface of box 1 installs radiating fin 7, radiating fin 7's heat conduction face and the laminating of the face that heats of semiconductor refrigeration piece 8, install condenser pipe 10 in the box 1, condenser pipe 10 is installed on the refrigeration face of semiconductor refrigeration piece 8, air inlet 11 has been seted up to the side of box 1, air inlet 11 is connected with condenser pipe 10's lower extreme intercommunication mouth, fixed mounting has heat dissipation fan 12 in the box 1, the air intake of heat dissipation fan 12 passes through honeycomb duct 13 and is connected with condenser pipe 10's upper end intercommunication mouth, the top welding of box 1 has baffle 4.

Specifically, semiconductor refrigeration piece 8's lower surface is connected with heat conduction post 9, condensing duct 10 is helical piping, and the helical piping is coiled on heat conduction post 9, and semiconductor refrigeration piece 8 cools down the processing through heat conduction post 9 with condensing duct 10, and through setting to helical piping coiling on heat conduction post 9, be favorable to thermal conduction convection.

Specifically, the welding has fixture block 15 on 1 inner wall of box, and is provided with mounting panel 14 in the box 1, the draw-in groove fixed with fixture block 15 cooperation joint is seted up at mounting panel 14's the back, and through setting up mounting panel 14, the installation of the electrical accessories of being convenient for is fixed, and fixes inside 1 box through 14 joints of mounting panel, the dismantlement of the mounting panel 14 of being convenient for.

Specifically, a drain hole 16 is formed in the bottom of the box body 1, a sealing cover 17 is hinged to the lower surface of the drain hole 16, and a torsion spring is mounted at the hinged position of the sealing cover 17, so that water gathered in the box body 1 can be conveniently drained.

Specifically, the front both sides of box 1 articulate through the hinge respectively has cabinet door 18, and the internal surface edge of cabinet door 18 pastes and has sealed the pad, fixed mounting has handle 19 on the cabinet door 18, through installing cabinet door 18, is convenient for open and closed to operate the box 1 inside.

Specifically, be provided with rain-proof baffle on the outer port of air inlet 11, air inlet 11 mounting height is less than the lower extreme intercommunication mouth of condensation duct 10, is convenient for flow the discharge by oneself under the action of gravity to the liquefaction water in the condensation duct 10.

Specifically, the downside of box 1 is provided with supporting seat 3, and four corners fixed welding respectively of box 1 lower surface have supporting leg 2, the lower extreme of supporting leg 2 is installed on supporting seat 3, and the installation of being convenient for is fixed, and through setting up supporting leg 2, reduces the corruption of the moist environment in ground to box 1, prolongs box 1's life.

The working principle is as follows: when the box is used, external damp air enters the box body 1 through the air inlet 11, when the damp air passes through the condensation pipeline 10, due to the influence of a low-temperature environment, water vapor in the air is liquefied when meeting cold, and flows back through the condensation pipeline 10 to be discharged from the air inlet 11, and the air subjected to temperature reduction enters the box body 1 through the condensation pipeline 10, so that the external damp air is prevented from entering, damage to circuit facilities is caused, potential safety hazards are eliminated, and the service life of the power transformation box is prolonged; through setting up gas vent 5 at 1 top of box for the hot gas body of 1 top gathering of box is discharged, and the cold air that will pass through condensation duct 10 through the heat dissipation fan 12 of installation in the box 1 is introduced the interior equipment and is cooled down the processing in the box 1, and the radiating of being convenient for is gone on continuously, avoids the temperature to rise and produces harmful effects to electrical equipment, ensures transformer box dehumidification and good radiating effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dampproofing thermal diffusivity prepackage type transformer case, includes box (1), its characterized in that: the air exhaust port (5) is arranged at the top of the box body (1), the exhaust fan (6) is fixedly arranged on the exhaust port (5), the semiconductor refrigerating sheet (8) is embedded at the top of the box body (1), the radiating fins (7) are fixedly arranged on the outer surface of the box body (1), the heat conducting surfaces of the radiating fins (7) are attached to the heating surface of the semiconductor refrigerating sheet (8), the condensing pipeline (10) is arranged in the box body (1), the condensing pipeline (10) is arranged on the refrigerating surface of the semiconductor refrigerating sheet (8), the air inlet (11) is arranged on the side surface of the box body (1), the air inlet (11) is connected with the lower end communicating port of the condensing pipeline (10), the radiating fan (12) is fixedly arranged in the box body (1), and the air inlet of the radiating fan (12) is connected with the upper end communicating port of the condensing pipeline (10) through the guide pipe (13), the top of the box body (1) is welded with a baffle (4).

2. The prefabricated substation of claim 1, wherein: the lower surface of semiconductor refrigeration piece (8) is connected with heat conduction post (9), condensation duct (10) are helical piping, and the helical piping coils on heat conduction post (9).

3. The prefabricated substation of claim 1, wherein: the welding has fixture block (15) on box (1) inner wall, and is provided with mounting panel (14) in box (1), the draw-in groove fixed with fixture block (15) cooperation joint is seted up at the back of mounting panel (14).

4. The prefabricated substation of claim 1, wherein: the bottom of the box body (1) is provided with a drain hole (16), the lower surface of the drain hole (16) is hinged with a sealing cover (17), and a torsional spring is installed at the hinged position of the sealing cover (17).

5. The prefabricated substation of claim 1, wherein: the front two sides of the box body (1) are respectively hinged with a cabinet door (18) through hinges, a sealing gasket is pasted on the edge of the inner surface of the cabinet door (18), and a handle (19) is fixedly mounted on the cabinet door (18).

6. The prefabricated substation of claim 1, wherein: the rain-proof baffle is arranged on the outer port of the air inlet (11), and the installation height of the air inlet (11) is lower than the lower end communication port of the condensation pipeline (10).

7. The prefabricated substation of claim 1, wherein: the downside of box (1) is provided with supporting seat (3), and four corners fixed welding respectively of box (1) lower surface have supporting leg (2), the lower extreme of supporting leg (2) is installed on supporting seat (3).