CN105976998A

CN105976998A - Large-power transformer structure

Info

Publication number: CN105976998A
Application number: CN201610570857.6A
Authority: CN
Inventors: 徐家晟; 徐惠丰; 周晓东
Original assignee: WUXI SHN ELECTRICS CO Ltd
Current assignee: WUXI SHN ELECTRICS CO Ltd
Priority date: 2016-07-19
Filing date: 2016-07-19
Publication date: 2016-09-28

Abstract

The invention relates to a large-power transformer structure. The large-power transformer structure comprises an iron core, a lower clamping piece is installed at the lower end of the iron core, an upper clamping piece is installed at the upper end of the iron core, a bottom cylinder is installed on a column part of the iron core, and a primary coil and a secondary coil are wound around the bottom cylinder. The large-power transformer structure is characterized in that the secondary coil is composed of a plurality of line cakes and installed on the periphery of the primary coil, a supporting strip is arranged between the primary coil and the secondary coil, and cushion blocks are arranged between all the adjacent line cake layers of the secondary coil; primary outgoing lines and primary outgoing copper bars are welded, wherein the primary outgoing lines and the primary outgoing copper bars are arranged on the primary coil; starting points of secondary outgoing lines and secondary outgoing copper bars of the secondary coil are welded, ends of the secondary outgoing lines and secondary connecting copper bars are welded, and connecting-line copper bars are arranged at horizontal parts at the lower ends of the secondary connecting copper bars. Pressing blocks are arranged between the line cakes of the secondary coil of an uppermost layer and the upper clamping piece and arranged between the line cakes of the secondary coil of a lowermost layer and the lower clamping piece respectively. By means of the large-power transformer structure, heat dissipation capacity of a transformer is improved, and the large-power transformer stably works for a long time accordingly.

Description

High-power transformer structure

Technical field

The present invention relates to a kind of transformator, especially a kind of high-power transformer structure.

Background technology

At present, due to the needs of commercial production development, the power of transformator is increasing, is frequently found some high-power transformers due to poor heat radiation and causes the phenomenon of coil burnout.

Summary of the invention

It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of high-power transformer structure, improve the heat-sinking capability of transformator, make high-power transformer long-time stable work.

The technical scheme provided according to the present invention, described high-power transformer structure, including iron core, lower clamping piece is installed in iron core lower end, and folder is installed in iron core upper end, and the columnar part at iron core installs end cylinder, coiling primary coil and secondary coil on end cylinder；It is characterized in that: described secondary coil is made up of multiple line cakes, is arranged on the periphery of primary coil, arranges stay between primary coil and secondary coil, between each adjacent lines cake layer of secondary coil, cushion block is set；Primary outlet on described primary coil draws welding copper bus with primary；Starting and secondary welding copper bus of drawing of the secondary lead-out wire of described secondary coil, the last head of secondary lead-out wire is connected welding copper bus with secondary, and the secondary lower end horizontal component connecting copper bar arranges line copper bar.

Further, lower clamping piece is installed by the first bolt in described iron core lower end, and folder is installed by the second bolt in iron core upper end.

Further, between line cake and the upper clamping piece of the secondary coil of the superiors, between undermost secondary wire astragal cake and lower clamping piece, it is respectively provided with briquetting.

Further, described briquetting is fixed with upper clamping piece and lower clamping piece respectively by the first screw.

Further, described upper clamping piece arranges suspension ring.

Further, described line copper bar is connected copper bar is fixed by the second screw with secondary.

Further, arranging primary copper bar fixed plate of drawing on described upper clamping piece, primary copper bar of drawing is fixed on primary extraction in copper bar fixed plate.

The invention have the advantages that

(1) high-power transformer of the present invention uses stepped cylindrical shape iron core, processing, easy for installation, and has good heat-sinking capability.

(2) end of the present invention cylinder, stay, primary lead-in wire fixed block, cushion block, briquetting are all to use high pressure heat-proof epoxy materials processing to form, and process simple and convenient, and production cost is low.

(3) secondary coil of the present invention uses multiple line cake stacked configuration, line cake can be in turn mounted to primary coil after being fabricated separately peripheral, it is provided with cushion block between line cake, it is provided with stay between primary coil and secondary coil simultaneously, ensure pressure and make coil heat-sinking capability be greatly improved, making high-power transformer energy long-time stable work.

(4) secondary coil upper and lower end of the present invention is provided with briquetting, and after preventing transformator from running generation vibrations, line cake loosens.

(5) upper clamping piece of the present invention is provided with primary lead-in wire fixed plate, makes extraction copper bar fix and does not loosens, it is ensured that the distance between copper bar, prevents copper bar to be mutually close together and cause Damage by Short Circuit transformator；It is simultaneously provided with suspension ring, makes Hoisting Security, convenience.

(6) multiple line cakes that secondary coil of the present invention uses use and are connected in parallel, and its lead-out wire is welded on corresponding copper bar, and one of which copper bar directly leads out, and another group copper bar connects together by connecting copper bar, forms Y type connecting line construction.

Accompanying drawing explanation

Fig. 1 is the structural representation of high-power transformer structure of the present invention.

Fig. 2 is the side view of Fig. 1.

Fig. 3 is the top view of Fig. 1.

Detailed description of the invention

Below in conjunction with concrete accompanying drawing, the invention will be further described.

As shown in FIG. 1 to 3: described high-power transformer structure includes iron core 1, lower clamping piece the 2, first bolt 3, end cylinder 4, primary coil 5, stay 6, secondary coil 7, cushion block 8, upper clamping piece the 9, second bolt 10, briquetting the 11, first screw 12, secondary extraction copper bar fixed plate 13, suspension ring 14, primary outlet 15, primary extraction copper bar 16, secondary lead-out wire 17, secondary extraction copper bar 18, secondary connection copper bar 19, line copper bar the 20, second screw 21 etc..

As shown in FIG. 1 to 3, high-power transformer structure of the present invention, including iron core 1, lower clamping piece 2 is installed by the first bolt 3 in iron core 1 lower end, folder 9 is installed by the second bolt 10 in iron core 1 upper end, columnar part at iron core 1 installs end cylinder 4, coiling primary coil 5 and secondary coil 7 on end cylinder 4；Described secondary coil 7 is made up of multiple line cakes, it is arranged on the periphery of primary coil 5, stay 6 is set between primary coil 5 and secondary coil 7, between each adjacent lines cake layer of secondary coil 7, cushion block 8 is set, being respectively provided with briquetting 11 between line cake and the upper clamping piece 9 of the superiors, between undermost line cake and lower clamping piece 2, briquetting 11 is fixed with upper clamping piece 9 and lower clamping piece 2 respectively by the first screw 12；Arranging primary copper bar fixed plate 13 and the suspension ring 14 of drawing on described upper clamping piece 9, the primary outlet 15 on primary coil 5 is welded with primary copper bar 16 of drawing, and primary copper bar 16 of drawing is fixed on primary extraction in copper bar fixed plate 13；Starting of the secondary lead-out wire 17 of described secondary coil 7 is welded with secondary copper bar 18 of drawing, the last head of secondary lead-out wire 17 is connected copper bar 19 with secondary and welds, the secondary lower end horizontal component connecting copper bar 19 arranges line copper bar 20, and line copper bar 20 is connected copper bar 19 with secondary to be fixed by the second screw 21.

High-power transformer structure of the present invention, by isolating transformer primary coil and secondary coil, secondary coil uses the structure that multiple line cakes are in parallel simultaneously, it is also provided with cushion block between line cake thus forms air flue thus improve the heat-sinking capability of transformator, make high-power transformer stablize long-time stable work.

Claims

1. a high-power transformer structure, including iron core (1), lower clamping piece (2) is installed in iron core (1) lower end, and folder (9) is installed in iron core (1) upper end, columnar part at iron core (1) installs end cylinder (4), at the upper coiling primary coil (5) of end cylinder (4) and secondary coil (7)；It is characterized in that: described secondary coil (7) is made up of multiple line cakes, it is arranged on the periphery of primary coil (5), stay (6) is set between primary coil (5) and secondary coil (7), between each adjacent lines cake layer of secondary coil (7), cushion block (8) is set；Primary outlet (15) on described primary coil (5) is welded with primary copper bar (16) of drawing；Starting of the secondary lead-out wire (17) of described secondary coil (7) is welded with secondary copper bar (18) of drawing, the last head of secondary lead-out wire (17) is connected copper bar (19) welding with secondary, and the secondary lower end horizontal component connecting copper bar (19) arranges line copper bar (20).

2. high-power transformer structure as claimed in claim 1, is characterized in that: lower clamping piece (2) is installed by the first bolt (3) in described iron core (1) lower end, folder (9) is installed by the second bolt (10) in iron core (1) upper end.

3. high-power transformer structure as claimed in claim 1, is characterized in that: between line cake and the upper clamping piece (9) of the secondary coil (7) of the superiors, be respectively provided with briquetting (11) between undermost secondary coil (7) line cake and lower clamping piece (2).

4. high-power transformer structure as claimed in claim 3, is characterized in that: described briquetting (11) is fixed with upper clamping piece (9) and lower clamping piece (2) respectively by the first screw (12).

5. high-power transformer structure as claimed in claim 1, is characterized in that: arrange suspension ring (14) on described upper clamping piece (9).

6. high-power transformer structure as claimed in claim 1, is characterized in that: described line copper bar (20) is connected copper bar (19) with secondary and is fixed by the second screw (21).

7. high-power transformer structure as claimed in claim 1, is characterized in that: arrange primary copper bar fixed plate (13) of drawing on described upper clamping piece (9), and primary copper bar (16) of drawing is fixed on primary extraction in copper bar fixed plate (13).