CN205452914U - Transformer substation with novel oil -immersed transformer - Google Patents

Abstract

The utility model discloses a transformer substation with novel oil -immersed transformer, the transformer substation includes box, oil -immersed transformer and box door, oil -immersed transformer includes range upon range of silicon steel sheet group, coil, oil -immersed transformer further includes: two pairs of folders, two pairs of folders set up respectively the upper end of range upon range of silicon steel sheet group and the both sides of lower extreme, the perpendicular axial's of folder cross -section is the rectangle, the single wire erection and extension device comprises a connecting piece, the connecting piece only sets up at every both ends to the folder, is used for fixed connection the folder of range upon range of silicon steel sheet group both sides, the frame middle part of box door is equipped with the diaphragm, diaphragm and framework components's framework in be equipped with the net, be equipped with on the frame with the sliding guide of glass frame looks adaptation, be equipped with tempering glass in the glass frame. The utility model has the advantages of the working property is good, heat dispersion is good, with low costs.

Description

There is the transformer station of Novel oil-immersed transformer

Technical field

This utility model relates to transformator, particularly relates to a kind of transformer station with Novel oil-immersed transformer.

Background technology

Transformer station box is positioned over the specific position of factory more or is arranged on open air.The seal case that transformer station box many employings steel plate is made.Mostly the cabinet door of existing transformer station is to use sheet metal to make.This transformer station has the disadvantage that

Cabinet door uses steel plate to make, and is arranged on open air for a long time, is easily corroded；Steel plate effect of heat insulation is poor, in summer factory, outdoor temperature high, cause case body temperature higher, it is impossible to dispel the heat, affect the electrical component job stability in transformer station box.

Oil tank of transformer uses hermetic design, and the iron core of transformator, coil are placed in described oil tank of transformer and are filled with insulating oil, and iron core is made up of the stalloy of stacking.In order to improve the service behaviour of transformator, need to make to keep between stalloy closely, do not loosen.The scheme used at present is: use two to channel-section steel as folder, two pairs of channel-section steels are respectively at the upper and lower end of iron core, and every pair of channel-section steel is in the both sides of iron core, use fixed component fixed connection place in the channel-section steel of iron core both sides, thus compress the stalloy group of stacking.Further, being provided with through hole in stalloy group, bolt passes described through hole, and two ends are separately fixed on folder.Such transformator has deficiency, such as:

1. the limited strength of channel-section steel, it is difficult to the stalloy group of stacking is combined closely；Manufacture and more bother, need perforate in stalloy group；

2. low tension terminal is not quite similar to the resistance between zero line binding post, has severely impacted the service behaviour of transformator.

Utility model content

For the drawbacks described above overcoming prior art to exist, a kind of performance of this utility model offer is excellent, the transformer station with Novel oil-immersed transformer of perfect heat-dissipating, low cost.

The purpose of this utility model is achieved through the following technical solutions:

A kind of transformer station with Novel oil-immersed transformer, described transformer station includes that casing, oil-filled transformer and cabinet door, described oil-filled transformer include the stalloy group of stacking, coil；Described oil-filled transformer farther includes:

Two pairs of folders, described two pairs of folders are separately positioned on the both sides of the top and bottom of the stalloy group of described stacking；The axial cross section that is perpendicular to of described folder is rectangle；

Connector, described connector is provided only on the two ends of every pair of folder, for the folder of the fixing stalloy group both sides connecting described stacking；

The frame mid portion of described cabinet door is provided with transverse slat, is provided with grid in the framework of described transverse slat and framework composition, and described framework is provided with the rail plate suitable with bezel, is provided with safety glass in bezel.

According to above-mentioned transformer station, alternatively, described connector farther includes:

Bolt, described bolt is through the folder of the both sides of the stalloy group being arranged on described stacking；

Nut, described nut is used for fixing described bolt.

According to above-mentioned transformer station, alternatively, described grid specification is at 10 to 20 mesh.

According to above-mentioned transformer station, alternatively, described safety glass is the safety glass of two-layer hollow.

According to above-mentioned transformer station, alternatively, described oil-filled transformer farther includes:

Line is arranged, and described line row has horizontal through hole, and described line row be arranged between low tension terminal and coil；

One end of three low-voltage coils, zero line binding post are connected on described line row, and the other end of described three low-voltage coils is connected on low tension terminal, and three low tension terminals are the most equal to the resistance of described zero line wiring intercolumniation.

Compared with prior art, this utility model has the advantages that

1. transformer station box door is consisted of grid and glass, hollow glass heat insulating effect, and when case body temperature is higher, slidably glass is aerated heat radiation by grid, it is ensured that the stability of the electrical component work in casing；

2. use special folder to go the stalloy group of fixing stacking, it is only necessary to connect at the two ends of folder fixing, it is not necessary to go to fix through stalloy group, improve the clamping dynamics of the stalloy group to stacking simultaneously, reduce processing cost, improve the efficiency of transformator assembling；

3. use Novel wire row, remove the resistance balance maintaining three low tension terminals to zero line wiring intercolumniation, improve the service behaviour of transformator.

Accompanying drawing explanation

Referring to the drawings, disclosure of the present utility model will be easier to understand.Skilled addressee readily understands that: these accompanying drawings are used only for illustrating the technical solution of the utility model, and are not intended to be construed as limiting protection domain of the present utility model.In figure:

Fig. 1 is the structure diagram of the cabinet door of this utility model embodiment；

Fig. 2 is the horizontal diagrammatic cross-sectional view of the oil-filled transformer of this utility model embodiment；

Fig. 3 is the wiring sketch of the line row of this utility model embodiment.

Detailed description of the invention

Fig. 1-3 and following description describe how optional embodiment of the present utility model is implemented with teaching those skilled in the art and reproduce this utility model.In order to instruct technical solutions of the utility model, simplify or eliminated some conventional aspects.Those skilled in the art should understand that be derived from these embodiments modification or replace will be in the range of this utility model.Those skilled in the art should understand that following characteristics can combine to form multiple modification of the present utility model in every way.Thus, this utility model is not limited to following optional embodiment, and is only limited by claim and their equivalent.

Embodiment:

The transformer station with Novel oil-immersed transformer of this utility model embodiment, described transformer station includes:

Casing and cabinet door；

Fig. 1 schematically illustrates the basic block diagram of the cabinet door of the transformer station of this utility model embodiment 1, as it is shown in figure 1, described cabinet door includes:

Rectangular cabinet door framework 1, in the middle part of cabinet door framework 1, it is provided with transverse slat 2, transverse slat 2 and the top of cabinet door framework 1, bottom forms two frameworks, in framework, be equipped with grid 3, grid 3 specification, at 10 to 20 mesh, prevents winged insect from entering in transformer station box after opening glass.The both sides frame of cabinet door framework 1 is equipped with the rail plate suitable with bezel 4, bezel 4 can upper and lower slide on rail plate, it is provided with the safety glass of two-layer hollow in bezel, transverse slat 2 is provided with the fixing lock fixing to bezel.

Fig. 2 schematically illustrates the diagrammatic cross-sectional view of the oil-filled transformer of this utility model embodiment, as shown in Figure 2:

Stalloy group 11, high-tension coil, low-voltage coil, binding post, these are all the state of the art, do not repeat them here:

Two pairs of folders 41, are separately positioned on the both sides of the top and bottom of described stalloy group 11, for clamping the stalloy group 11 of stacking；In the present embodiment, the axial cross section that is perpendicular to of described folder 41 is rectangle；

Fixture 51, described fixture 51 is provided only on the two ends of every pair of folder 41, for the folder 41 of the fixing stalloy group both sides connecting described stacking；In the present embodiment, described fixture farther includes:

Bolt, described bolt is through the folder of the both sides of the stalloy group being arranged on described stacking；

Nut, described nut is used for fixing described bolt；

Container 21, described container 21 is for the transformer oil of housing insulation, and built-in described stalloy group, high pressure and low-voltage coil；In order to strengthen the intensity of container, steel material selected by the container in the present embodiment；

Grooved parts 31, the two ends forming groove of described grooved parts 31 are welded on the lateral wall of described container 21, to be effectively improved the intensity of container 21；

Fig. 3 schematically illustrates the wiring sketch of the line row of this utility model embodiment, as shown in Figure 3, copper line row 61 is horizontally installed between described binding post and coil, it is provided with the through hole 62 along cross direction profiles in the centre of described copper line row 61, one end 64 of three low-voltage coils, 65,66, one end 63 of zero line binding post be connected on described line row 61, the other end of described three low-voltage coils is connected on low tension terminal；Three low tension terminals are equal to the resistance of described zero line wiring intercolumniation.

In the manufacture process of above-mentioned transformator, utilize electric resistance measuring apparatus detection low tension terminal to the resistance between zero line binding post, and go to adjust resistance sizes by the fixed position of one end 64,65,66 of mobile three low-voltage coils with line row, so that resistance is consistent, afterwards one end 64,65,66 of three low-voltage coils is welded on online row.

In the work process of transformator, the heat that coil etc. produce has conducted on fixture, on the one hand the air in tubular structure produces thermal convection current and distributes the heat on fixture, on the other hand, heat on fixture is distributed by multiple aluminium flakes of its outer surface, thus improve radiating effect, reduce fixture and the length of aluminium flake protrusion transformer shell simultaneously, namely reduce volume of transformer.

Claims (3)

1. having a transformer station for Novel oil-immersed transformer, described transformer station includes that casing, oil-filled transformer and cabinet door, described oil-filled transformer include the stalloy group of stacking, coil；It is characterized in that: described oil-filled transformer farther includes:

Two pairs of folders, described two pairs of folders are separately positioned on the both sides of the top and bottom of the stalloy group of described stacking；The axial cross section that is perpendicular to of described folder is rectangle；

Connector, described connector is provided only on the two ends of every pair of folder, for the folder of the fixing stalloy group both sides connecting described stacking；

The frame mid portion of described cabinet door is provided with transverse slat, is provided with grid in the framework of described transverse slat and framework composition, and described framework is provided with the rail plate suitable with bezel, is provided with safety glass in bezel.

Transformer station the most according to claim 1, it is characterised in that: described connector farther includes:

Bolt, described bolt is through the folder of the both sides of the stalloy group being arranged on described stacking；

Nut, described nut is used for fixing described bolt.

Transformer station the most according to claim 1, it is characterised in that: described safety glass is the safety glass of two-layer hollow.