CN213935837U

CN213935837U - Transformer core ground lead structure

Info

Publication number: CN213935837U
Application number: CN202120116226.3U
Authority: CN
Inventors: 张立君
Original assignee: Tianjin Yuke Electric Power Engineering Co ltd
Current assignee: Tianjin Yuke Electric Power Engineering Co ltd
Priority date: 2021-01-17
Filing date: 2021-01-17
Publication date: 2021-08-10
Anticipated expiration: 2031-01-17

Abstract

The utility model discloses a transformer core ground connection pin configuration, including transformer owner box, transformer owner box top fixed mounting has high-tension bushing, high-tension bushing one side fixed mounting has ground sleeve, high-tension bushing opposite side fixed mounting has low-voltage bushing, the inside fixed mounting of transformer owner box has the iron core, transformer owner box therefore fixed mounting has insulating protection piece, inside fixed mounting has the honeycomb duct in the insulating protection piece, transformer owner box bottom is installed and is carried the thing board, it has the ground connection post to carry thing board top fixed mounting, ground connection post bottom fixed mounting has the protection box, the inside fixed mounting of protection box has the grip slipper. This kind of transformer core ground connection pin configuration, simple structure is reasonable, and the unstable embodiment of traditional single conduction iron sheet is changed in setting up through the grip slipper to avoid dragging the danger that brings.

Description

Transformer core ground lead structure

Technical Field

The utility model relates to a transformer technical field specifically is a transformer core ground connection pin configuration.

Background

A Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. Transformers can be divided into: distribution transformers, power transformers, fully enclosed transformers, combined transformers, dry-type transformers, oil-immersed transformers, single-phase transformers, electric furnace transformers, rectifier transformers, reactors, anti-interference transformers, lightning protection transformers, box-type transformer test transformers, corner transformers, high current transformers, excitation transformers, etc. The iron core is used for enhancing magnetic coupling between two coils, in order to reduce eddy current and hysteresis loss in iron, the iron core is formed by laminating painted silicon steel sheets, and the transformer is one of core devices in a power system and plays an important role in power generation and supply, so that the stability and safety of iron core grounding are ensured, and the power generation and supply of the transformer are stable.

The grounding lead is connected to the outside of the transformer through a terminal in the existing transformer core grounding lead structure, the lead is loose, and the danger is caused by pulling easily. Therefore, the grounding lead structure of the transformer core is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a transformer core ground lead structure, including transformer main tank body, transformer main tank body top fixed mounting has high-tension bushing, high-tension bushing one side fixed mounting has ground sleeve, high-tension bushing opposite side fixed mounting has low-voltage bushing, the inside fixed mounting of transformer main tank body has the iron core, transformer main tank body therefore fixed mounting has insulating protection piece, the inside fixed mounting of insulating protection piece has the honeycomb duct, transformer main tank body bottom is installed and is carried the thing board, it has the ground post to carry thing board top fixed mounting, ground post bottom fixed mounting has the protection box, the inside fixed mounting of protection box has the grip slipper.

As an optimal technical scheme of the utility model, the high-tension bushing is fixed to be provided with three groups, three groups high-tension bushing passes through screw fixed mounting at transformer owner box top.

As a preferred technical scheme of the utility model, ground sleeve bottom and at the inside fixed mounting of transformer owner box body have the iron core earth connection, iron core earth connection one side fixed mounting has the ground copper bar, ground copper bar bottom fixed mounting has the ground plate, ground plate one side fixed mounting is at the ground post top.

As an optimized technical scheme of the utility model, the fixed multiunit that is provided with of iron core, the inside fixed coolant liquid that is provided with of transformer main tank body.

As an optimal technical scheme of the utility model, the honeycomb duct runs through insulating protection piece, just honeycomb duct bottom fixed mounting is on ground.

As a preferred technical scheme of the utility model, it is fixed to be provided with two sets ofly, two sets of to carry thing board fixed mounting in transformer owner bottom half, it is provided with anti rust coating to carry thing board fixed surface.

As a preferred technical scheme of the utility model, the grip slipper includes the spliced pole, spliced pole top fixed mounting has the fixed strip, fixed strip top fixed mounting has the arc piece, arc piece top fixed mounting has the screw rod.

The utility model has the advantages that:

1. according to the transformer core grounding lead structure, a grounding sleeve is fixedly mounted on one side of a high-voltage sleeve, a core grounding wire is fixedly mounted at the bottom of the grounding sleeve and inside a transformer main box body, a grounding copper bar is fixedly mounted on one side of the core grounding wire, a grounding plate is fixedly mounted at the bottom of the grounding copper bar, one side of the grounding plate is fixedly mounted at the top of a grounding column, and the current of a core is conducted through the arrangement of the grounding sleeve and the core grounding wire, so that the transformer is protected;

2. according to the transformer core grounding lead structure, the clamping seat is fixedly arranged in the protective box body and comprises the connecting column, the top of the connecting column is fixedly provided with the fixing strip, the top of the fixing strip is fixedly provided with the arc-shaped block, and the top of the arc-shaped block is fixedly provided with the screw rod;

the grounding lead structure of the transformer core is simple and reasonable in structure and convenient to use, effectively solves the problem that the grounding wires of most existing transformers are not flexible, and has high practical value.

Drawings

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

fig. 1 is a schematic perspective view of a transformer core ground lead structure according to the present invention;

fig. 2 is an internal schematic diagram of a transformer core ground lead structure according to the present invention.

In the figure: 1. a main box body of the transformer; 2. a high voltage bushing; 3. a ground sleeve; 4. a low-pressure bushing; 5. an iron core; 6. an insulating protection block; 7. a flow guide pipe; 8. a loading plate; 9. a ground post; 10. a protective box body; 11. a clamping seat; 12. an iron core grounding wire; 13. a ground copper bar; 14. a ground plate; 15. connecting columns; 16. a fixing strip; 17. an arc-shaped block; 18. a screw.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-2, the utility model relates to a transformer core ground connection pin configuration, including transformer

main tank

1, 1 top fixed mounting of transformer main tank has high-tension bushing 2, 2 one side fixed mounting of high-tension bushing have ground sleeve 3, 2 opposite side fixed mounting of high-tension bushing have low-

voltage bushing

4, 1 inside fixed mounting of transformer main tank has iron core 5, transformer main tank 1 therefore fixed mounting has insulating

protection piece

6, 6 inside fixed mounting of insulating protection piece have honeycomb duct 7, 1 bottom of transformer main tank is installed and is carried thing board 8, carry 8 top fixed mounting of thing board and have ground post 9, ground post 9 bottom fixed mounting has

protection box

10, 10 inside fixed mounting of protection box has grip slipper 11.

Wherein, high-voltage bushing 2 is fixed to be provided with three groups, and three high-voltage bushing 2 of group pass through screw fixed mounting at 1 top of transformer main tank.

The iron core grounding wire 12 is fixedly mounted at the bottom of the grounding sleeve 3 and inside the transformer main box body 1, the grounding copper bar 13 is fixedly mounted on one side of the iron core grounding wire 12, the grounding plate 14 is fixedly mounted at the bottom of the grounding copper bar 13, and one side of the grounding plate 14 is fixedly mounted at the top of the grounding column 9.

Wherein, the iron core 5 is fixedly provided with a plurality of groups, and the inside of the transformer main box body 1 is fixedly provided with cooling liquid.

Wherein, honeycomb duct 7 runs through insulating protection piece 6, and honeycomb duct 7 bottom fixed mounting is on ground.

Wherein, carry thing board 8 fixed and be provided with two sets ofly, two sets of thing boards 8 fixed mounting are carried in 1 bottoms of transformer main tank, carry thing board 8 fixed surface to be provided with anti rust coating.

The clamping seat 11 comprises a connecting column 15, a fixing strip 16 is fixedly mounted at the top of the connecting column 15, an arc-shaped block 17 is fixedly mounted at the top of the fixing strip 16, and a screw 18 is fixedly mounted at the top of the arc-shaped block 17.

The working principle is as follows: a grounding sleeve 3 is fixedly arranged on one side of the high-voltage sleeve 2, an iron core grounding wire 12 is fixedly arranged at the bottom of the grounding sleeve 3 and inside the transformer main box body 1, a grounding copper bar 13 is fixedly arranged on one side of the iron core grounding wire 12, a grounding plate 14 is fixedly arranged at the bottom of the grounding copper bar 13, one side of the grounding plate 14 is fixedly arranged at the top of the grounding post 9, through the arrangement of the grounding sleeve 3 and the iron core grounding wire 12, the current of the iron core 5 is conducted, so that the transformer is protected, the clamping seat 11 is fixedly arranged in the protective box body 10, the clamping seat 11 comprises a connecting post 15, a fixing strip 16 is fixedly arranged at the top of the connecting post 15, an arc-shaped block 17 is fixedly arranged at the top of the fixing strip 16, a screw 18 is fixedly arranged at the top of the arc-shaped block 17, the unstable embodiment of the traditional single conductive iron sheet is changed through the arrangement of the clamping seat 11, so that the danger caused by pulling is avoided.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A transformer core grounding lead structure comprises a transformer main box body (1) and is characterized in that, a high-voltage bushing (2) is fixedly arranged at the top of the main box body (1) of the transformer, a grounding bushing (3) is fixedly arranged at one side of the high-voltage bushing (2), a low-voltage sleeve (4) is fixedly arranged at the other side of the high-voltage sleeve (2), an iron core (5) is fixedly arranged in the transformer main box body (1), the transformer main box body (1) is fixedly provided with an insulating protection block (6), a flow guide pipe (7) is fixedly arranged in the insulating protection block (6), an object carrying plate (8) is arranged at the bottom of the transformer main box body (1), carry thing board (8) top fixed mounting to have ground post (9), ground post (9) bottom fixed mounting has protection box (10), the inside fixed mounting of protection box (10) has grip slipper (11).

2. A transformer core grounding lead structure according to claim 1, characterized in that three groups of said high voltage bushings (2) are fixedly arranged, and three groups of said high voltage bushings (2) are fixedly mounted on the top of the transformer main tank (1) by means of screws.

3. The transformer core grounding lead structure according to claim 1, wherein a core grounding wire (12) is fixedly installed at the bottom of the grounding sleeve (3) and inside the transformer main box body (1), a grounding copper bar (13) is fixedly installed at one side of the core grounding wire (12), a grounding plate (14) is fixedly installed at the bottom of the grounding copper bar (13), and a grounding plate (14) is fixedly installed at the top of the grounding post (9).

4. A transformer core grounding lead structure according to claim 1, characterized in that said core (5) is fixedly provided with a plurality of groups, and said transformer main tank (1) is internally and fixedly provided with a cooling liquid.

5. The transformer core grounding lead structure according to claim 1, characterized in that the flow guide tube (7) penetrates through the insulation protection block (6), and the bottom end of the flow guide tube (7) is fixedly installed on the ground.

6. The transformer core grounding lead structure according to claim 1, characterized in that two sets of the carrying plates (8) are fixedly arranged, two sets of the carrying plates (8) are fixedly arranged at the bottom of the transformer main box body (1), and the surface of the carrying plate (8) is fixedly provided with an antirust coating.

7. The transformer core grounding lead structure according to claim 1, wherein the clamping seat (11) comprises a connecting column (15), a fixing strip (16) is fixedly mounted at the top of the connecting column (15), an arc-shaped block (17) is fixedly mounted at the top of the fixing strip (16), and a screw (18) is fixedly mounted at the top of the arc-shaped block (17).