CN217822306U

CN217822306U - Oil-immersed transformer with seal structure

Info

Publication number: CN217822306U
Application number: CN202221929590.2U
Authority: CN
Inventors: 吴宗钢
Original assignee: Henan Diteli Electric Co ltd
Current assignee: Henan Diteli Electric Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-11-15
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses an oil-immersed transformer with seal structure, including transformer main part and anti-interference layer, both ends all are provided with radiator unit about the transformer main part, and keep away from one side of transformer main part axis and be provided with protective assembly, the top of transformer main part is provided with seal assembly, seal assembly includes that sealed apron tears the bolt fast open, the inboard of sealed apron is worn to be equipped with the fast bolt of tearing open. This oil-immersed transformer compares with current ordinary oil-immersed transformer, can prevent fluid leakage, ensures the safe in utilization of box, improves the life of transformer, and can dispel the heat, reduce the oil tank inner bag pressure of soaking, thereby reduced the pressure that holds the intracavity, improve the suitability of transformer and guaranteed oil-immersed transformer's normal operating, but also can increase the oil tank interference killing feature that soaks, avoid magnetic field and the produced induced magnetic field of transformer winding to influence each other, reduce voltage fluctuation, reduce the electric energy loss.

Description

Oil-immersed transformer with seal structure

Technical Field

The utility model relates to a transformer technical field specifically is an oil-immersed transformer with seal structure.

Background

The oil immersed transformer is a novel high-performance transformer with more reasonable structure and better performance, and the three-dimensional roll iron core has no air gap in a magnetic circuit because three core columns are arranged in an equilateral triangle in a three-dimensional way, the winding is tighter, the three magnetic circuits are consistent in length and shortest, and the cross sectional area of the core columns of the iron core is closer to a circle, so that the performance is further improved, the loss is reduced, the noise is reduced, the three-dimensional balance is realized, and the third harmonic component is reduced.

The existing publication number is CN209929091U, and is named as 'oil-immersed transformer', and in the using process of the patent, a sealing structure is lacked, so that oil is leaked, and the oil-immersed tank transformer is used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil-immersed transformer with seal structure 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 an oil-immersed transformer with seal structure, includes transformer main part and anti jamming layer, its characterized in that, both ends all are provided with radiator unit about the transformer main part, and radiator unit keeps away from one side of transformer main part axis and is provided with protective assembly, the top of transformer main part is provided with seal assembly, and seal assembly includes sealed apron and the bolt is torn open soon, the inboard of sealed apron is worn to be equipped with the bolt is torn open soon, and the bolt is torn open soon and be provided with a plurality ofly, anti jamming layer sets up the inboard in the transformer main part.

Furthermore, an oil immersion tank is arranged inside the transformer main body, an insulating block is arranged at the lower end inside the oil immersion tank, and an iron core is arranged at the upper end of the insulating block.

Furthermore, windings are arranged on the left side and the right side of the iron core, a low-voltage lead is connected to the upper portion of the left end of each winding, and a high-voltage lead is connected to the upper portion of the right end of each winding.

Furthermore, the right end of the upper end of the sealing cover plate is provided with an oil column, and the rear end of the upper portion of the sealing cover plate is provided with a high-voltage terminal sleeve.

Furthermore, a low-voltage terminal sleeve is arranged at the front end above the sealing cover plate, and a second radiating fin is arranged at the front end of the transformer main body.

Furthermore, the heat dissipation assembly comprises a fixed conduction heat dissipation box and a first heat dissipation fin, wherein the first heat dissipation fin is arranged inside the fixed conduction heat dissipation box, and the first heat dissipation fin is provided with a plurality of heat dissipation fins.

Furthermore, the protection assembly comprises a protection frame, an insertion block and a rotating screwing block, wherein the insertion block is arranged on the left side of the upper side of the inner side of the protection frame, and the rotating screwing block is arranged at the upper end of the insertion block.

Compared with the prior art, the beneficial effects of the utility model are that: when the oil-immersed transformer with the sealing structure is used, oil leakage can be prevented, the use safety of the box body is ensured, the service life of the transformer is prolonged, heat can be dissipated, and the pressure intensity of the inner container of the oil-immersed box is reduced, so that the pressure intensity in the accommodating cavity is reduced, the internal temperature is reduced, the applicability of the transformer is improved, the normal operation of the oil-immersed transformer is ensured, the anti-interference performance of the oil-immersed box is increased, the mutual influence of a magnetic field and an induction magnetic field generated by a transformer winding is avoided, the voltage fluctuation is reduced, and the electric energy loss is reduced;

1. the utility model discloses a sealed apron and fast tear bolt, transformer main part, dip tank, the setting of operating personnel through twisting fast tear bolt and install sealed apron and transformer main part to make the sealed state of transformer main part, prevent that fluid from leaking, ensure the safe in utilization of box, improve the life of transformer;

2. the utility model discloses a setting through fixed conduction heat dissipation case and radiating fin one, radiating fin two, the extremely big temperature produces after iron core and the winding are used for a long time, and the temperature of transformer main part spreads into radiating fin one through fixed conduction heat dissipation case and dispels the heat, dispels the heat through radiating fin two, reduces the oil immersion tank inner bag pressure to reduce the pressure that holds the intracavity, reduce the temperature of inside, improve the suitability of transformer and guaranteed oil immersion type transformer's normal operating;

3. the utility model discloses a setting of anti-interference layer, insulating block, iron core, winding, setting up multiplicable oil tank interference immunity through anti-interference layer and insulating block, the produced induction magnetic field of avoiding magnetic field and transformer winding influences each other, reduces voltage fluctuation, reduces electric energy loss.

Drawings

Fig. 1 is a schematic view of an oil-immersed transformer with a sealing structure according to the present invention;

fig. 2 is a schematic cross-sectional structural view of an oil-immersed transformer with a sealing structure according to the present invention;

fig. 3 is the utility model relates to a fixed conduction heat dissipation case three-dimensional enlarged structure schematic diagram of oil-immersed transformer with seal structure.

In the figure: 1. a transformer main body; 2. a heat dissipating component; 201. fixing a conduction heat dissipation box; 202. a first heat dissipation fin; 3. a guard assembly; 301. a protective frame; 302. inserting a block; 303. rotating the twisting block; 4. a seal assembly; 401. sealing the cover plate; 402. quickly detaching the bolts; 5. an oil column; 6. an anti-interference layer; 7. insulating; a block 8, an iron core; 9. a winding; 10. an immersion oil tank; 11. a high voltage lead; 12. a low voltage lead; 13. a low voltage terminal bushing; 14. a high voltage terminal bushing; 15. and a second heat dissipation fin.

Detailed Description

As shown in fig. 1, an oil-immersed transformer with a sealing structure comprises a transformer main body 1 and an anti-interference layer 6, wherein heat dissipation assemblies 2 are arranged at the left end and the right end of the transformer main body 1, each heat dissipation assembly 2 comprises a fixed conduction heat dissipation box 201 and a first heat dissipation fin 202, the first heat dissipation fin 202 is arranged inside the fixed conduction heat dissipation box 201, a plurality of first heat dissipation fins 202 are arranged, a protection assembly 3 is arranged on one side away from the central axis of the transformer main body 1, a sealing assembly 4 is arranged above the transformer main body 1, the sealing assembly 4 comprises a sealing cover plate 401 and a quick-dismantling bolt 402, the quick-dismantling bolt 402 penetrates through the inner side of the sealing cover plate 401, the quick-dismantling bolt 402 is provided with a plurality of quick-dismantling bolts 402, and the anti-interference layer 6 is arranged on the inner side of the transformer main body 1;

as shown in fig. 2 and 3, the protection assembly 3 includes a protection frame 301, an insertion block 302 and a rotation screwing block 303, the insertion block 302 is disposed on the left side above the inner side of the protection frame 301, the rotation screwing block 303 is disposed on the upper end of the insertion block 302, the protection assembly 3 includes the protection frame 301, the insertion block 302 and the rotation screwing block 303, the insertion block 302 is disposed on the left side above the inner side of the protection frame 301, the rotation screwing block 303 is disposed on the upper end of the insertion block 302, the oil immersion tank 10 is disposed inside the transformer body 1, the insulating block 7 is disposed on the lower end inside the oil immersion tank 10, the iron core 8 is disposed on the upper end of the insulating block 7, the windings 9 are disposed on the left and right sides of the iron core 8, the low voltage lead 12 is connected above the left end of the windings 9, the high voltage lead 11 is connected above the right end of the windings 9, the oil column 5 is disposed on the right end of the sealing cover plate 401, and the rear end above the sealing cover plate 401 is provided with a high-voltage terminal sleeve 14, the front end above the sealing cover plate 401 is provided with a low-voltage terminal sleeve 13, the front end of the transformer main body 1 is provided with a second heat dissipation fin 15, the right end of the upper end of the transformer main body 1 is provided with an oil column 5, the rear end above the transformer main body 1 is provided with the high-voltage terminal sleeve 14, the front end above the transformer main body 1 is provided with the low-voltage terminal sleeve 13, the front end of the transformer main body 1 is provided with the second heat dissipation fin 15, heat dissipation is performed through the second heat dissipation fin 15, the pressure of the inner container of the oil immersion tank 10 is reduced, the pressure in the accommodating cavity is reduced, the internal temperature is reduced, the applicability of the transformer is improved, the normal operation of the oil immersion type transformer is guaranteed, the anti-interference performance of the oil immersion tank 10 is increased, the mutual influence of the induced magnetic field and the transformer winding 9 is avoided, the voltage fluctuation is reduced, and the electric energy loss is reduced.

The working principle is as follows: when the oil-immersed transformer is used, firstly, an operator welds the first radiating fin 202 in the fixed conduction radiating box 201, then the operator mounts the fixed conduction heat-dissipating boxes 201 on the left and right sides of the transformer body 1, then the operator inserts the protection frame 301 into the fixed conduction heat dissipation box 201 for clamping, the operator rotates in the insertion block 302 by screwing the rotating and twisting block 303, thereby installing the protection frame 301 and the fixed conduction heat dissipation box 201, the operator then mounts the high voltage terminal sleeve 14 and the low voltage terminal sleeve 13 on the sealing cap 401, the operator then turns, by screwing the quick-release bolts 402, so that the sealing cover 401 can be opened, then the operator adds oil into the oil immersion tank 10 through the oil column 5, then the operator immerses the iron core 8 and the winding 9 into the transformer body 1, then, the high voltage terminal bushing 14 and the high voltage lead wire 11 are installed with the winding 9, and then the operator installs the low voltage terminal bushing 13 with the low voltage lead wire 12, then, the operator screws the quick-release bolts 402 to install the sealing cover plate 401 with the transformer body 1, so as to increase the sealing performance, thereby reducing leakage, fixing the arrangement of the conduction heat dissipation box 201, the first heat dissipation fin 202 and the second heat dissipation fin 15, installing the sealing cover plate 401 and the transformer body 1 by screwing the quick-release bolt 402 by an operator, therefore, the transformer body 1 is in a sealed state, oil leakage is prevented, the use safety of the box body is ensured, the service life of the transformer is prolonged, the iron core 8 and the winding 9 generate extremely high temperature after being used for a long time, the temperature of the transformer body 1 is transmitted into the first radiating fins 202 through the fixed conduction radiating box 201 to be radiated, and the consumption of electric energy is reduced.

Claims

1. The utility model provides an oil-immersed transformer with seal structure, includes transformer main body (1) and anti-interference layer (6), its characterized in that, both ends all are provided with radiator unit (2) about transformer main body (1), and one side that radiator unit (2) kept away from transformer main body (1) axis is provided with protection component (3), the top of transformer main body (1) is provided with seal assembly (4), and seal assembly (4) including sealed apron (401) with tear bolt (402) fast open, bolt (402) are torn fast open to the inboard of sealed apron (401) and worn to be equipped with, and tear bolt (402) fast open and be provided with a plurality ofly, anti-interference layer (6) set up the inboard in transformer main body (1).

2. The oil-immersed transformer with the sealing structure according to claim 1, characterized in that an oil immersion tank (10) is arranged inside the transformer main body (1), an insulating block (7) is arranged at the lower end inside the oil immersion tank (10), and an iron core (8) is arranged at the upper end of the insulating block (7).

3. The oil-immersed transformer with the sealing structure according to claim 2, wherein the windings (9) are arranged on the left side and the right side of the iron core (8), a low-voltage lead (12) is connected to the upper portion of the left end of each winding (9), and a high-voltage lead (11) is connected to the upper portion of the right end of each winding (9).

4. Oil filled transformer with sealing structure according to claim 1, characterized in that the sealing cover plate (401) is provided with an oil column (5) at its upper right end, and a high voltage terminal bushing (14) at its upper rear end of the sealing cover plate (401).

5. The oil-filled transformer with the sealing structure according to claim 1, wherein a low-voltage terminal sleeve (13) is arranged at the upper front end of the sealing cover plate (401), and a second heat dissipation fin (15) is arranged at the front end of the transformer main body (1).

6. Oil-filled transformer with sealing structure according to claim 1, characterized in that the heat dissipation assembly (2) comprises a first fixed conduction heat dissipation box (201) and a first heat dissipation fin (202), the first heat dissipation fin (202) is arranged inside the first fixed conduction heat dissipation box (201), and the plurality of first heat dissipation fins (202) are arranged.

7. The oil-filled transformer with the sealing structure according to claim 1, wherein the protection assembly (3) comprises a protection frame (301), an insertion block (302) and a rotation screwing block (303), the insertion block (302) is arranged on the left side above the inner side of the protection frame (301), and the rotation screwing block (303) is arranged on the upper end of the insertion block (302).