CN210467496U

CN210467496U - Dry-type transformer seals heat abstractor

Info

Publication number: CN210467496U
Application number: CN201921186656.1U
Authority: CN
Inventors: 王小飞; 施洪华; 张继红; 毛国胜; 丁树合; 张卫
Original assignee: Jiangsu Eaton Electric Technology Co ltd
Current assignee: Jiangsu Eaton Electric Technology Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-05
Anticipated expiration: 2029-07-26

Abstract

The utility model relates to a transformer field specifically is a dry-type transformer seals heat abstractor, the inside bottom symmetry of seal box is provided with the bed hedgehopping, the top welding of bed hedgehopping has the spout, the inside sliding connection of spout has the draw runner, the horizontal welding in draw runner top has the base, be fixed with the transformer main part on the base, the side upper end of seal box is provided with the rose box of giving vent to anger, and the opposite side lower extreme of seal box is provided with the rose box that admits air, the inside bottom of seal box just is located and is provided with the seal holder between the bed hedgehopping, the top gomphosis of seal holder has the fan. Adopt the seal box to play the guard action to the transformer, prevent that external impurity from depending on the transformer, cause the transformer short circuit, the fan blows, is provided with and admits air and the venthole increases the air exchange circulation, sets up impurity and moisture content in the rose box filtration circulation air, prevents that the transformer from causing the short circuit because the dust.

Description

Dry-type transformer seals heat abstractor

Technical Field

The utility model relates to a transformer field specifically is a dry-type transformer seals heat abstractor.

Background

The dry-type transformer can generate heat in the operation process, and in order to avoid overhigh temperature, the fan is arranged at the bottom of the dry-type transformer to dissipate heat and cool so as to prevent the normal operation of the dry-type transformer from being influenced by overheating temperature. Because the transformer shell is a closed space, in order to reduce the internal temperature, a ventilation window and a filter screen are generally arranged for ventilation and heat dissipation and blocking small animals, insects and the like from entering.

However, if the dry-type transformer heat dissipation device is used in carbon production enterprises, a large amount of fine dust can be generated during carbon product production, part of the dust inevitably enters the interior of a transformer shell through a ventilation window, and graphite powder is a conductor with extremely strong conductivity and can cause three-phase short circuit of the dry-type transformer.

Accordingly, one skilled in the art provides a sealed heat sink for a dry-type transformer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For the technical problem who exists among the solution background art, the utility model provides a dry-type transformer seals heat abstractor.

(II) technical scheme

The utility model discloses a first aspect provides a dry-type transformer seals heat abstractor, including the seal box, front end one side of seal box is provided with the sealing door, the inside bottom symmetry of seal box is provided with the poppet, the top welding of poppet has the spout, the inside sliding connection of spout has the draw runner, the horizontal welding in draw runner top has the base, be fixed with the transformer main part on the base, the side upper end of seal box is provided with the rose box of giving vent to anger, and the opposite side lower extreme of seal box is provided with the rose box that admits air.

As a further aspect of the present invention: the inside bottom of seal box just is located and is provided with sealed support between the bed hedgehopping, the top gomphosis of sealed support has the fan.

As a further aspect of the present invention: one side of the sealing support is provided with a connecting pipe in a penetrating mode, and the tail end of the connecting pipe is connected with the air inlet filter box.

As a further aspect of the present invention: an air inlet is formed in the outer side of the air inlet filter box, a connecting hole is formed in the inner wall of the other end of the air inlet filter box, and the connecting hole is connected with the connecting pipe.

As a further aspect of the present invention: the position of the internal deviation central point of the air inlet filter box is provided with a second overflow plate, the top of the air inlet filter box is positioned right above the second overflow plate and is embedded with a feeding leather plug, and the bottom of the air inlet filter box is provided with a bottom plug corresponding to the feeding leather plug.

As a further aspect of the present invention: one side that the inside of filter box that admits air just is located the second overflow plate is provided with first overflow plate, and the top of filter box that admits air is located the both sides of first overflow plate and is provided with first apron and second apron.

As a further aspect of the present invention: the structure of the air outlet filter box is the same as that of the air inlet filter box, and air holes are formed in the outer side of the water level of the air outlet filter box.

The above technical scheme of the utility model has following profitable technological effect:

1. adopt the seal box to play the guard action to the transformer, prevent that external impurity from depending on the transformer, cause the transformer short circuit, but because the transformer can generate heat in the use, so be provided with the fan in inside and dispel the heat, because the seal box is seal structure so again, only use the fan to blow and can only play and mix inside hot-air flow, do not too big effect to the heat dissipation in essence, the heat dissipation still needs the air exchange circulation, so be provided with into air and venthole on the seal box.

2. However, the air exchange circulation is carried out by simply using the air inlet and outlet hole, the fine dust in the air can also enter the transformer, the seal box loses the effect, so the filter box is arranged on the air inlet and outlet hole, two overflow plates are arranged in the air inlet filter box to separate the interior of the filter box into three spaces, the charcoal is filled in the external space for absorbing moisture and some corrosive gases, the filter cotton is filled in the two internal spaces for filtering the fine dust in the air, the charcoal powder and the air outlet filter box are in the same principle, the charcoal does not need to be filled, the filter cotton is completely filled, and the external dust is prevented from entering the seal box through the air inlet filter box.

Drawings

Fig. 1 is a schematic structural view of a dry-type transformer sealing heat dissipation device;

fig. 2 is a schematic view of an internal structure of a bracket in a sealed heat dissipation device of a dry-type transformer;

fig. 3 is a schematic view of an internal structure of a filter box in a dry-type transformer sealing heat dissipation device.

In the figure: 1. a sealing box; 2. an air outlet filter box; 3. air holes are formed; 4. a base; 5. a chute; 6. a cushion frame; 7. a slide bar; 8. a transformer body; 9. a sealing door; 10. sealing the bracket; 11. a fan; 12. an intake air filter box; 13. a connecting pipe; 14. a first cover plate; 15. a second cover plate; 16. a first overflow plate; 17. A bottom plug; 18. a second overflow plate; 19. an air inlet; 20. a feeding plug; 21. and connecting the holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Please refer to fig. 1-3, in the embodiment of the present invention, a dry type transformer sealing and heat dissipating device, including seal box 1, front end one side of seal box 1 is provided with sealing door 9, the inside bottom symmetry of seal box 1 is provided with cushion frame 6, the top welding of cushion frame 6 has spout 5, the inside sliding connection of spout 5 has draw runner 7, the horizontal welding in draw runner 7 top has base 4, be fixed with transformer main part 8 on the base 4, the side upper end of seal box 1 is provided with the rose box 2 of giving vent to anger, and the opposite side lower extreme of seal box 1 is provided with the rose box 12 that admits air.

In fig. 2, a sealing support 10 is arranged at the bottom end inside the sealing box 1 and between the cushion frames 6, a fan 11 is embedded at the top of the sealing support 10, the sealing support 10 controls the air sucked by the fan 11 to be filtered by an air inlet filter box 12, because the suction end of the fan 11 is embedded in the sealing support 10 and the sealing support 10 is connected with the air inlet filter box 12 by a connecting pipe 13, the fan 11 achieves the purposes of increasing the internal air circulation and accelerating the heat dissipation;

in fig. 2, a connecting pipe 13 is penetratingly disposed at one side of the sealing bracket 10, and a terminal of the connecting pipe 13 is connected to the intake filter box 12, the connecting pipe 13 is an air channel, and the fan 11 sucks in air filtered by the intake filter box 12 through the connecting pipe 13;

in fig. 3, an air inlet 19 is formed on the outer side of the intake filter box 12, a connecting hole 21 is formed on the inner wall of the other end of the intake filter box 12, the connecting hole 21 is connected with the connecting pipe 13, the air inlet 19 is communicated with the outside to complete air intake, and the connecting hole 21 is used for fixing the connecting pipe 13;

in fig. 3, a second overflow plate 18 is provided in the intake filter box 12 at a position deviating from the central point, a feeding leather plug 20 is fitted on the top of the intake filter box 12 directly above the second overflow plate 18, a bottom plug 17 is provided at the bottom of the intake filter box 12 corresponding to the feeding leather plug 20, the second overflow plate 18 functions to partition the space inside the intake filter box 12 into different spaces for filling charcoal and filter cotton, and simultaneously, the filling materials are prevented from contacting and polluting each other, the feeding leather plug 20 is used for sealing, the bottom plug 17 is opened for adding charcoal to the intake filter box 12, and the bottom plug 17 is pulled out for discharging and replacing charcoal;

in fig. 1, a first overflow plate 16 is arranged inside the intake filter box 12 and on one side of a second overflow plate 18, a first cover plate 14 and a second cover plate 15 are arranged on the top of the intake filter box 12 and on two sides of the first overflow plate 16, the first overflow plate 16 also serves as a separation space, and since the outside air contains many impurities, one more space is provided for filling filter cotton, and the first filter cotton is frequently replaced in the later period;

in fig. 1, the structure of the air outlet filter box 2 is the same as that of the air inlet filter box 12, the air holes 3 are formed in the outer side of the water level of the air outlet filter box 2, the air holes 3 play a role in exhausting air, and the air outlet filter box 2 prevents external impurities from entering the seal box 1 through the hot air exhaust end.

The utility model discloses a theory of operation is: before use, the transformer main body 8 is connected with the sliding groove 5 through the sliding strip 7, the transformer main body 8 is fixed with the cushion frame 6, the transformer main body 8 is fixed in the seal box 1, then the seal door 9 is closed to finish the protection measure of the transformer main body 8, when the air-tight box is used, the fan 11 blows air inside the seal box 1 to discharge hot air through the air holes 3 on the air outlet filter box 2, filter cotton is arranged in the air outlet filter box 2 to prevent external air impurities from entering the seal box 1, meanwhile, the fan 11 blows out the hot air in the seal box 1 to cause pressure unbalance in the seal box 1, air filtered by the air inlet filter box 12 is sucked through pressure difference and suction force of the fan 11, the pressure balance is kept, cold and hot air alternation and rapid temperature reduction are simultaneously carried out, the first overflow plate 16 and the second overflow plate 18 are arranged in the air inlet filter box 12 to divide the air inlet filter box 12 into three parts, offer in the portion that inlet port 19 is used for the outside air to enter, the intussuseption charcoal depends on moisture content and air in the toxic substance, other two spaces fill the filter pulp for fine dust in the filtered air, the later stage adds the charcoal through feeding leather plug 20, changes the charcoal through end stopper 17, changes the filter pulp through first apron 14 and second apron 15.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a dry-type transformer seals heat abstractor, includes seal box (1), its characterized in that: front end one side of seal box (1) is provided with sealing door (9), the inside bottom symmetry of seal box (1) is provided with bed frame (6), the top welding of bed frame (6) has spout (5), spout (5) inside sliding connection has draw runner (7), the horizontal welding in draw runner (7) top has base (4), be fixed with transformer main part (8) on base (4), the side upper end of seal box (1) is provided with rose box (2) of giving vent to anger, and the opposite side lower extreme of seal box (1) is provided with air inlet filter box (12).

2. The sealed heat dissipation device for the dry-type transformer as recited in claim 1, wherein a sealing support (10) is arranged at the bottom end inside the sealed box (1) and between the pad frames (6), and a fan (11) is embedded at the top of the sealing support (10).

3. A dry transformer sealing and heat dissipating device as claimed in claim 2, wherein a connecting pipe (13) is provided through one side of the sealing bracket (10), and the end of the connecting pipe (13) is connected to the inlet filter box (12).

4. The sealed heat dissipation device of the dry-type transformer as recited in claim 3, wherein the air inlet holes (19) are opened on the outer side of the air inlet filter box (12), and the inner wall of the other end of the air inlet filter box (12) is opened with a connection hole (21), and the connection hole (21) is connected with the connection pipe (13).

5. The sealed heat dissipation device for the dry-type transformer according to claim 1, wherein a second overflow plate (18) is disposed at a position deviated from the central point inside the air inlet filter box (12), a feeding rubber plug (20) is embedded in the top of the air inlet filter box (12) and located right above the second overflow plate (18), and a bottom plug (17) is disposed at the bottom of the air inlet filter box (12) and corresponding to the feeding rubber plug (20).

6. Dry transformer sealing and heat dissipating device according to claim 5, characterized in that the first overflow plate (16) is arranged inside the inlet filter box (12) and on one side of the second overflow plate (18), and the first cover plate (14) and the second cover plate (15) are arranged on the top of the inlet filter box (12) on both sides of the first overflow plate (16).

7. The sealing and heat dissipating device of a dry-type transformer according to claim 1, wherein the structure of the outlet filter box (2) is the same as that of the inlet filter box (12), and the outlet filter box (2) is provided with air holes (3) at the outer side of the water level.