CN212411757U

CN212411757U - Explosion-proof oil-immersed transformer

Info

Publication number: CN212411757U
Application number: CN202021670870.7U
Authority: CN
Inventors: 王崇赞
Original assignee: Shandong Zhongdian Ruisheng Power Equipment Co ltd
Current assignee: Shandong Zhongdian Ruisheng Power Equipment Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-01-26
Anticipated expiration: 2030-08-12

Abstract

The utility model provides an explosion-proof formula transformer that soaks is oily relates to transformer technical field. This explosion-proof oil-immersed transformer, the power distribution box comprises a box body, the middle part fixedly connected with transformer main part of diapire in the box, the first spring groove of two mutual symmetries is all seted up to the inside wall about the box, the first spring of the equal fixedly connected with of inner diapire in first spring groove, and the inside of box is equipped with the long slab of two mutual symmetries, and the one end that first spring groove was kept away from to first spring all is close to a side fixed connection in first spring groove with the long slab. This explosion-proof formula transformer that soaks is equipped with the carbon dioxide storage tank through setting up the install bin, and when transformer main part high temperature burns in the box, because temperature rising pressure is big in the box, high temperature high-pressure gas promotes long board and closing plate and removes, makes in the carbon dioxide entering box in the carbon dioxide storage tank, carbon dioxide can cool down and isolated oxygen, and then has the effect of putting out a fire and prevent the production of explosion.

Description

Explosion-proof oil-immersed transformer

Technical Field

The utility model relates to a transformer technical field specifically is an explosion-proof formula transformer that soaks to oil.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary coil, a secondary coil and an iron core, and the transformer has the following main functions: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization and the like, and an oil-immersed transformer is one of transformers and is widely used in power supply and distribution systems of industrial and civil buildings.

One of the important devices in the power supply and distribution systems of the oil-immersed transformer industry and the civil buildings is distributed in a large amount in life, most oil-immersed transformers in some severe high-temperature environments are not provided with a protection device, explosion accidents are easy to occur under the condition that the aging load of parts is high for a long time, the parts of the transformers are exploded and fly away, and nearby passersby are injured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an explosion-proof formula oil-immersed transformer can solve the problem in the above-mentioned.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an explosion-proof oil-immersed transformer comprises a box body, wherein a transformer main body is fixedly connected to the middle part of the inner bottom wall of the box body, two first spring grooves which are symmetrical to each other are formed in the left inner side wall and the right inner side wall of the box body, a first spring is fixedly connected to the inner bottom wall of each first spring groove, two long plates which are symmetrical to each other are arranged in the box body, one end, far away from the first spring groove, of each first spring is fixedly connected with one side surface, close to the first spring groove, of each long plate, square holes which are symmetrical to each other are formed in the left inner side wall and the right inner side wall of the box body, a connecting rod is fixedly connected to the middle part, close to one side surface of each square hole, of each connecting rod, one end, far away from each long plate, penetrates through the square hole and is fixedly connected with a sealing plate, oblique, every equal fixedly connected with second spring on the interior diapire in second spring groove, every the equal fixedly connected with trapezoidal piece of one end that the second spring is close to the connecting rod, the equal fixedly connected with install bin of box left and right sides face, the last fixed surface of box is connected with the oil tank.

Further, two the equal fixedly connected with carbon dioxide storage tank of inner diapire of install bin, every the carbon dioxide storage tank is close to the connecting pipe of the equal fixedly connected with of a side and the sealed board looks adaptation of box, can make when the closing plate takes away, and carbon dioxide can get into the inside of box along with the square hole, has the effect of cooling and insulating the fire extinguishing, can prevent the production of transformer explosion.

Further, the left and right sides face of box all sets up the recess with the sealed board looks adaptation, the front of oil tank is fixed to be inlayed and is had the liquid level display window, sets up the recess and can make the closely laminating of closing plate in the inside of recess, strengthens the leakproofness of box, sets up the liquid level display window, can observe the height of the fluid of oil tank at any time, conveniently adds fluid.

Furthermore, the upper surface of the transformer main body is fixedly communicated with an oil pump, the output end of the oil pump is fixedly communicated with an oil pipe, one end, far away from the transformer main body, of the oil pipe is fixedly communicated with the oil tank, and oil in the transformer main body can be conveyed into the oil tank through the oil pump so as to be cooled.

Further, the outer surface cover of oil tank is equipped with the fin, the inside cover of fin is equipped with the cooling tube, the last fixed surface of box is connected with the water tank, and the cooling tube is linked together with the water tank, can make having quick cooling in the oil tank, and then cools off the transformer main part, prevents that transformer main part high temperature from guaranteeing the long-term steady operation of transformer.

Furthermore, the upper surface of box fixedly connected with two connecting blocks of mutual symmetry, two the equal fixedly connected with rings of upper surface of connecting block can be through crane or other equipment through rings to the transformer hoist, conveniently to the installation and the transportation of transformer.

Furthermore, two a side that the box was kept away from to the install bin all articulates through the round pin axle has the dodge gate, two a side fixedly connected with handle that the dodge gate kept away from each other can make things convenient for in the install bin regular inspection and maintenance of carbon dioxide holding vessel.

Compared with the prior art, this explosion-proof oil-immersed transformer possesses following beneficial effect:

1. this explosion-proof oil soaks formula transformer is equipped with the carbon dioxide holding vessel through setting up the install bin, and when transformer main part high temperature burns in the box, because temperature rising pressure is big in the box, high temperature high-pressure gas promotes long board and closing plate and removes, makes in the carbon dioxide entering box in the carbon dioxide holding vessel, carbon dioxide can cool down and isolated oxygen, and then has the effect of putting out a fire, prevents the production of explosion.

2. This explosion-proof oil soaks formula transformer is through setting up oil pump and oil pipe, can carry the oil in the transformer main part in the oil tank through the oil pump, so that the cooling, the surface of oil tank is provided with the fin, cooling tube and water tank, can make having quick cooling in the oil tank, and then the cooling transformer main part, prevent transformer main part high temperature, guarantee the long-term steady operation of transformer, be provided with rings, can hoist the transformer through rings through crane or other equipment, the convenience is to the installation and the transportation of transformer.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

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

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

fig. 4 is an enlarged schematic view of the structure at the position a of the present invention.

Wherein, 1, a box body; 2. a handle; 3. a movable door; 4. a cooling tube; 5. a water tank; 6. a heat sink; 7. a liquid level display window; 8. an oil tank; 9. a hoisting ring; 10. connecting blocks; 11. installing a box; 12. a connecting pipe; 13. an oil pipe; 14. a transformer body; 15. a long plate; 16. a square hole; 17. a carbon dioxide storage tank; 18. a first spring; 19. an oil pump; 20. a connecting rod; 21. a sloping block; 22. a groove; 23. a second spring; 24. a first spring groove; 25. a sealing plate; 26. a trapezoidal block; 27. a second spring groove.

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.

As shown in fig. 1-4, an embodiment of the present invention provides an explosion-proof oil immersed transformer, which comprises a box body 1, a transformer main body 14 fixedly connected to the middle of the inner bottom wall of the box body 1, two symmetrical connecting blocks 10 fixedly connected to the upper surface of the box body 1, a hanging ring 9 fixedly connected to the upper surfaces of the two connecting blocks 10, and a crane or other equipment capable of hoisting the transformer through the hanging ring 9, so as to facilitate the installation and transportation of the transformer, an oil pump 19 fixedly connected to the upper surface of the transformer main body 14, an oil pipe 13 fixedly connected to the output end of the oil pump 19, an end of the oil pipe 13 far from the transformer main body 14 and an oil tank 8, and an oil in the transformer main body 14 can be transported into the oil tank 8 by the oil pump 19, so as to facilitate cooling, two symmetrical first spring grooves 24 are formed in the left and right inner side walls of the box body 1, and a first, two symmetrical long plates 15 are arranged inside the box body 1, one end of each first spring 18 far away from the first spring groove 24 is fixedly connected with one side face of the long plate 15 close to the first spring groove 24, the left inner side wall and the right inner side wall of the box body 1 are respectively provided with a symmetrical square hole 16, the middle part of the long plate 15 close to one side face of the square hole 16 is fixedly connected with a connecting rod 20, one end of the connecting rod 20 far away from the long plate 15 penetrates through the square hole 16 and is fixedly connected with a sealing plate 25, the left side face and the right side face of the box body 1 are respectively provided with a groove 22 matched with the sealing plate 25, the front face of the oil tank 8 is fixedly embedded with a liquid level display window 7, the sealing plate 25 can be tightly attached inside the groove 22 by arranging the groove 22, the sealing performance of the box body 1 is enhanced, the liquid level display window 7 is arranged, the height of oil in the oil tank, the front inner wall and the rear inner wall of each square hole 16 are respectively provided with a second spring groove 27, the inner bottom wall of each second spring groove 27 is fixedly connected with a second spring 23, one end of each second spring 23 close to the connecting rod 20 is fixedly connected with a trapezoidal block 26, the left side surface and the right side surface of the box body 1 are respectively fixedly connected with an installation box 11, the inner bottom wall of each installation box 11 is respectively fixedly connected with a carbon dioxide storage tank 17, one side surface of each carbon dioxide storage tank 17 close to the box body 1 is respectively fixedly connected with a connecting pipe 12 matched with a sealing plate 25, when the sealing plate 25 is moved away, carbon dioxide can enter the box body 1 along with the square hole 16, the device has the functions of cooling, insulating and fire extinguishing, the device can prevent the explosion of the transformer, one side surface of each installation box 11 far away from the box body 1 is hinged with a movable door 3 through a pin, can make things convenient for regular inspection and maintenance of carbon dioxide storage tank 17 in the install bin 11, the last fixed surface of box 1 is connected with oil tank 8, the surface cover of oil tank 8 is equipped with fin 6, the inside cover of fin 6 is equipped with cooling tube 4, the last fixed surface of box 1 is connected with water tank 5, and cooling tube 4 is linked together with water tank 5, can make having quick cooling in the oil tank 8, and then cooling transformer main part 14, prevent 14 high temperatures of transformer main part, guarantee the long-term steady operation of transformer.

The working principle is as follows: the explosion-proof oil immersed transformer normally has the advantages that the pressure in the box body 1 is small, the elastic force of the first spring 18 can enable the long plate 15 to move towards the transformer main body 14, the connecting rod 20 enables the sealing plate 25 to be tightly attached in the groove 22, carbon dioxide can not enter the box body 1, when the temperature of the transformer main body 14 is high and the transformer main body burns, due to the fact that the temperature rise pressure in the box body 1 is large, high-temperature high-pressure gas pushes the long plate 15 and the sealing plate 25 to move towards the direction of the installation box 11 along the square hole 16, the connecting rod 20 moves along with the long plate, the inclined block 21 enables the inclined block 26 to press the inclined block 26 to move towards the second spring groove 27, after the inclined block 21 moves to the inclined block 26, the inclined block 26 pops up under the action of the second spring 23, the return of the inclined block 21 is prevented, at the moment, due to the moving away of the sealing plate 25, thereby having the function of extinguishing fire and preventing explosion.

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 an explosion-proof formula oil-immersed transformer, includes box (1), its characterized in that: the transformer comprises a box body (1), a transformer main body (14) is fixedly connected to the middle of the inner bottom wall of the box body (1), two first spring grooves (24) which are symmetrical to each other are formed in the left inner side wall and the right inner side wall of the box body (1), a first spring (18) is fixedly connected to the inner bottom wall of each first spring groove (24), two long plates (15) which are symmetrical to each other are arranged inside the box body (1), one end, far away from the first spring groove (24), of each first spring (18) is fixedly connected with one side face, close to the first spring groove (24), of each long plate (15), square holes (16) which are symmetrical to each other are formed in the left inner side wall and the right inner side wall of the box body (1), a connecting rod (20) is fixedly connected to the middle of one side face, close to the square holes (16), of each connecting rod (20), one end, far away from the long plates, two equal fixedly connected with sloping block (21) in the positive back of connecting rod (20), two second spring groove (27), every have all been seted up to the inner wall around square hole (16) equal fixedly connected with second spring (23), every on the interior diapire of second spring groove (27) second spring (23) are close to the equal fixedly connected with trapezoidal piece (26) of one end of connecting rod (20), the equal fixedly connected with install bin (11) of box (1) left and right sides face, the last fixed surface of box (1) is connected with oil tank (8).

2. The explosion-proof oil-immersed transformer according to claim 1, characterized in that: two equal fixedly connected with carbon dioxide storage tank (17) of inner diapire of install bin (11), every carbon dioxide storage tank (17) are close to the equal fixedly connected with of a side of box (1) and connecting pipe (12) of closing plate (25) looks adaptation.

3. The explosion-proof oil-immersed transformer according to claim 1, characterized in that: the left side surface and the right side surface of the box body (1) are provided with grooves (22) matched with the sealing plates (25), and the front surface of the oil tank (8) is fixedly embedded with a liquid level display window (7).

4. The explosion-proof oil-immersed transformer according to claim 1, characterized in that: the transformer is characterized in that an oil pump (19) is fixedly communicated with the upper surface of the transformer main body (14), an oil pipe (13) is fixedly communicated with the output end of the oil pump (19), and one end, far away from the transformer main body (14), of the oil pipe (13) is fixedly communicated with an oil tank (8).

5. The explosion-proof oil-immersed transformer according to claim 1, characterized in that: the outer surface cover of oil tank (8) is equipped with fin (6), the inside cover of fin is equipped with cooling tube (4), the last fixed surface of box (1) is connected with water tank (5), and cooling tube (4) are linked together with water tank (5).

6. The explosion-proof oil-immersed transformer according to claim 1, characterized in that: the upper surface of the box body (1) is fixedly connected with two symmetrical connecting blocks (10), and the upper surfaces of the two connecting blocks (10) are fixedly connected with lifting rings (9).

7. The explosion-proof oil-immersed transformer according to claim 1, characterized in that: two a side that box (1) was kept away from in install bin (11) all articulates through the round pin axle has dodge gate (3), two a side fixedly connected with handle (2) that dodge gate (3) kept away from each other.