CN221613637U

CN221613637U - Transformer shell cooling mechanism

Info

Publication number: CN221613637U
Application number: CN202420065100.1U
Authority: CN
Inventors: 刘辉; 王浩; 宋述稳
Original assignee: Shandong Longma Electrical Equipment Co ltd
Current assignee: Shandong Longma Electrical Equipment Co ltd
Priority date: 2024-01-11
Filing date: 2024-01-11
Publication date: 2024-08-27
Anticipated expiration: 2034-01-11

Abstract

The utility model relates to the technical field of transformers, in particular to a transformer shell radiating mechanism, which comprises a shell main body for placing a transformer, wherein a box door is arranged on the front side wall of the shell main body, an air inlet for flowing external air into the shell main body is arranged at the bottom of one side wall of the shell main body, an air outlet for flowing hot air in the shell main body out of the shell main body is arranged at the top of the side wall opposite to the air inlet, movable air draft assemblies are arranged at the inner sides of the air inlet and the air outlet, each movable air draft assembly comprises a mounting frame arranged at the inner sides of the air inlet and the air outlet, isolation blocks for equally dividing the mounting frame are arranged in the mounting frame, a plurality of groups of air draft fans are uniformly arranged in the mounting frame between the isolation blocks, and an inclined cover plate which is automatically opened along with the starting of the air draft fans is arranged at one side of the air draft fans facing the blowing direction. The problem that when the cooling fan is not started, an opening exists at the installation position of the fan, so that foreign matters or flying insects are easy to fall into the electric elements installed in the transformer shell to damage the electric elements is solved.

Description

Transformer shell cooling mechanism

Technical Field

The utility model relates to the technical field of transformers, in particular to a heat dissipation mechanism of a transformer shell.

Background

With the rapid development of domestic electric power construction, nearly every city in China adopts a transformer shell as an important distribution protection control device, because the transformer shell has a compact structure, the temperature in a box is increased due to the fact that the sun insolates and the transformer generates larger heat in the operation process, so that the normal operation of internal high-low voltage equipment and components is influenced, if the temperature is required to be reduced, ventilation is enhanced to dissipate heat, dust is easy to enter the box when a box door is opened for heat dissipation, the problem of safety protection is caused, therefore, high importance is required for the heat dissipation problem of the transformer and the shell of the transformer, the existing transformer shell is mainly provided with a fan, hot air in the shell is discharged, meanwhile, cold air outside is blown in, the temperature in the transformer is reduced, but the existing fan is mainly arranged on the side wall of the shell, when the fan is not required to be started in autumn and winter, the fan installation place has an opening, such as foreign matters or flying insects are not easy to fall into the shell, and damage is caused to the electrical appliance components arranged in the transformer shell for a long time.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a heat dissipation mechanism of a transformer shell, which solves the problem that when a heat dissipation fan is not started, an opening exists at the installation position of the fan, and foreign matters or flying insects are easy to fall into an electric appliance original installed in the transformer shell to damage the electric appliance original.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a transformer shell cooling mechanism, includes the shell main part that is used for placing the transformer, the preceding lateral wall of shell main part is equipped with the chamber door, and the lateral wall bottom of one side of shell main part is equipped with the air intake that is used for flowing in the shell main part with outside air, and the lateral wall top opposite to the air intake is equipped with the air outlet that flows out in the shell main part with the hot air in the shell main part, air intake and air outlet inboard all are equipped with movable exhaust component;

The movable air draft assembly comprises an installation frame arranged on the inner side of the air inlet and the air outlet, isolation blocks which divide the installation frame equally are arranged in the installation frame, a plurality of groups of air draft fans are uniformly arranged in the installation frame between the isolation blocks, and an inclined cover plate which is automatically opened along with the starting of the air draft fans is arranged on one side of the air draft fans in the blowing direction.

Preferably, the inclined cover plate comprises a fixed rod arranged in the installation frame, semicircular movable plates are symmetrically arranged on the outer sides of the fixed rod, and an abutting ring abutting against the movable plates is arranged on the inner wall of the installation frame, facing the exhaust fan, of the inclined cover plate.

Preferably, the bottom end of the fixing rod is fixed on the bottom wall of the installation frame, and the top end of the fixing rod is fixed on the top wall of the installation frame and inclines towards the direction of the exhaust fan.

Preferably, the movable plate is movably connected to the outer side of the fixed rod, the straight edge of the movable plate is provided with a connecting ring sleeved on the outer side of the fixed rod, and the movable plate rotates to open the air supply to flow through the outer side of the fixed rod along with the blowing of the exhaust fan.

Preferably, the abutting ring is obliquely and fixedly arranged on the inner wall of the mounting frame, the abutting ring is abutted against the outer side of the movable plate towards one side wall of the movable plate, and the inclination angle of the abutting ring is consistent with that of the fixing rod.

Preferably, the outer sides of the air inlet and the air outlet are respectively provided with a ventilation grid; the bottom of the shell main body is provided with a landing leg which is contacted with the ground.

(III) beneficial effects

Compared with the prior art, the utility model provides a transformer shell heat dissipation mechanism, which has the following beneficial effects:

Through setting up at transformer shell and can open along with the opening of fan, the activity updraft ventilator of closing along with the closing of fan, when updraft fan starts, blow the slope apron, spread the slope apron along the direction that the dead lever was towards the wind flow, make wind can pass through in the gap of slope apron and installing frame, when updraft fan stops rotating, because gravity slope apron is turned along the dead lever towards perpendicular below, later with butt ring side butt, it is real with the wind channel jam, avoid having the opening to lead to foreign matter or winged insect entering at the business turn over wind gap when fan is out.

Drawings

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

FIG. 1 is a schematic diagram of a heat dissipation structure of a transformer housing according to the present utility model;

FIG. 2 is a schematic view of the position structure of the movable exhaust assembly after the main body of the housing is cut;

FIG. 3 is a schematic view of the structure of the movable exhaust assembly of the present utility model;

FIG. 4 is a schematic view of the structure of the inclined cover plate of the present utility model.

Reference numerals illustrate:

1. a housing main body;

2. A door;

3. an air inlet; 31. a ventilation grille;

4. An air outlet;

5. A movable air draft assembly; 51. a mounting frame; 52. a spacer block; 53. an exhaust fan; 54. a tilting cover plate; 541. a fixed rod; 542. a movable plate; 543. an abutment ring; 544. and a connecting ring.

Detailed Description

The following detailed description of embodiments of the present application will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present application can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.

Fig. 1-4 show an embodiment of the present utility model, a heat dissipation mechanism for a transformer housing, including a housing main body 1 for placing a transformer, a front side wall of the housing main body 1 is provided with a door 2, a bottom of a side wall of the housing main body 1 is provided with an air inlet 3 for flowing external air into the housing main body 1, an air outlet 4 for flowing internal hot air in the housing main body 1 out of the housing main body 1 is provided at a top of a side wall opposite to the air inlet 3, movable air suction components 5 are provided at inner sides of the air inlet 3 and the air outlet 4, in actual operation, cool air at an outer side is blown into the housing main body 1 by starting the movable air suction components 5 at the air inlet 3 below, and because the density of the cool air is higher than that of the hot air, the cool air tends to descend, and hot air in the housing main body 1 is pushed upward, so that the hot air in the housing main body 1 is discharged out of the housing main body 1 through the movable air suction components 5 provided at the air outlet 4 above, thereby achieving the flow of the hot air in the housing main body 1;

The movable air draft assembly 5 comprises a mounting frame 51 fixedly arranged on the inner sides of the air inlet 3 and the air outlet 4, the mounting frame 51 extends to the inner side of the shell main body 1, isolation blocks 52 for equally dividing the mounting frame 51 are fixedly arranged in the mounting frame 51, a plurality of groups of air draft fans 53 are uniformly arranged in the mounting frame 51 between the isolation blocks 52, one side of each air draft fan 53 facing the air draft direction is provided with an inclined cover plate 54 which is automatically opened along with the starting of the air draft fans 53, in actual work, the air draft fans 53 are connected with a power supply, the power supply is started to enable the air draft fans 53 to rotate, the air draft fans 53 at the air inlet 3 are arranged in the shell main body 1, the air draft fans 53 at the air outlet 4 are arranged outside the shell main body 1, and meanwhile the inclined cover plates 54 are arranged on one side of each air draft fan 53 facing the air draft directions to enable the air draft fans 53 to blow to the inclined cover plates 54 at first.

The inclined cover plate 54 comprises a fixed rod 541 fixedly arranged in the installation frame 51, the bottom end of the fixed rod 541 is fixed on the bottom wall of the installation frame 51, the top end of the fixed rod 541 is fixed on the top wall of the installation frame 51 and inclines towards the direction of the exhaust fan 53, semicircular movable plates 542 are symmetrically arranged on the outer side of the fixed rod 541, the inner wall of the installation frame 51, which is positioned on the inclined cover plate 54 and faces the exhaust fan 53, of the installation frame 51 is provided with an abutting ring 543 abutting against the movable plates 542, the movable plates 542 are movably connected to the outer side of the fixed rod 541, the straight edges of the movable plates 542 are provided with connecting rings 544 sleeved on the outer side of the fixed rod 541, the movable plates 542 rotate to open the air supply flow along the outer side of the fixed rod 541 along with the blowing of the exhaust fan 53, in actual operation, when the inclined cover plate 54 is not opened, the inclined cover plate 54 is overlapped on the side edge of the abutting ring 543 due to gravity, when the exhaust fan 53 is started, the inclined cover plate 54 is blown by the exhaust fan 53, the inclined cover plate 54 is unfolded along the direction of the fixed plates 541, wind energy can pass through gaps between the inclined cover plate 54 and the installation frame 51, when the gravity of the exhaust fan 53 stops rotating, and the inclined cover plate 54 is enabled to rotate along the direction of the air flow along the abutting ring 541, and the abutting ring 541.

The abutting ring 543 is obliquely and fixedly arranged on the inner wall of the mounting frame 51, the abutting ring 543 is abutted against the outer side of the movable plate 542 towards one side wall of the movable plate 542, and the inclination angle of the abutting ring 543 is consistent with that of the fixed rod 541 so as to ensure that when the inclined cover plate 54 abuts against the abutting ring 543, a wind channel can be completely blocked, and foreign matters are prevented from entering when the air draft fan 53 does not work.

The outer sides of the air inlet 3 and the air outlet 4 are respectively provided with a ventilation grille 31 so as to ensure that larger foreign matters are isolated; the bottom of the shell main body 1 is provided with the supporting legs which are contacted with the ground so as to ensure a wire between the shell and the ground, and the transformer can be effectively prevented from being damaged by strong charges.

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

Claims

1. The utility model provides a transformer housing cooling mechanism, includes shell main part (1) that are used for placing the transformer, its characterized in that: the front side wall of the shell main body (1) is provided with a box door (2), the bottom of one side wall of the shell main body (1) is provided with an air inlet (3) for flowing outside air into the shell main body (1), the top of the side wall opposite to the air inlet (3) is provided with an air outlet (4) for flowing hot air in the shell main body (1) out of the shell main body (1), and the inner sides of the air inlet (3) and the air outlet (4) are respectively provided with a movable air draft assembly (5);

The movable air draft assembly (5) comprises an installation frame (51) arranged on the inner side of the air inlet (3) and the air outlet (4), isolation blocks (52) for equally dividing the installation frame (51) are arranged in the installation frame (51), a plurality of groups of air draft fans (53) are uniformly arranged in the installation frame (51) between the isolation blocks (52), and an inclined cover plate (54) which is automatically opened along with the starting of the air draft fans (53) is arranged on one side of the air draft fans (53) towards the air blowing direction.

2. The transformer enclosure heat dissipation mechanism of claim 1, wherein: the inclined cover plate (54) comprises a fixed rod (541) arranged in the mounting frame (51), semicircular movable plates (542) are symmetrically arranged on the outer sides of the fixed rod (541), and abutting rings (543) which are abutted against the movable plates (542) are arranged on the inner wall of the mounting frame (51) of the inclined cover plate (54) towards the exhaust fan (53).

3. The transformer housing heat dissipation mechanism of claim 2, wherein: the bottom end of the fixing rod (541) is fixed to the bottom wall of the mounting frame (51), and the top end of the fixing rod (541) is fixed to the top wall of the mounting frame (51) and inclines towards the direction of the air draft fan (53).

4. A transformer housing heat dissipation mechanism as recited in claim 3, further comprising: the movable plate (542) is movably connected to the outer side of the fixed rod (541), a connecting ring (544) sleeved on the outer side of the fixed rod (541) is arranged on the straight edge of the movable plate (542), and the movable plate (542) rotates to open the air supply to flow through the outer side of the fixed rod (541) along with the blowing of the air draft fan (53).

5. The transformer housing heat dissipation mechanism of claim 2, wherein: the abutting ring (543) is obliquely and fixedly arranged on the inner wall of the mounting frame (51), one side wall of the abutting ring (543) facing the movable plate (542) is abutted against the outer side of the movable plate (542), and the inclination angle of the abutting ring (543) is consistent with that of the fixed rod (541).

6. The transformer enclosure heat dissipation mechanism of claim 1, wherein: the outer sides of the air inlet (3) and the air outlet (4) are respectively provided with a ventilation grid (31); the bottom of the shell main body (1) is provided with a landing leg which is contacted with the ground.