CN212303293U

CN212303293U - Transformer for wind power generation

Info

Publication number: CN212303293U
Application number: CN202021485577.3U
Authority: CN
Inventors: 裴旭兵; 裴旭东
Original assignee: GANSU ELECTRIC APPARATUS RESEARCH INSTITUTE; Cgn Gansu Minqin Wind Power Generation Co ltd
Current assignee: GANSU ELECTRIC APPARATUS RESEARCH INSTITUTE; Cgn Gansu Minqin Wind Power Generation Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-01-05
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a transformer for wind power generation, including transformer housing, the mounting plate and the I-shaped support that are located this transformer housing bottom, transformer housing bottom face welding has mounting plate, transformer housing top end face symmetry vertically is provided with N insulation support pipe of group, transformer housing week side symmetry respectively is provided with N cooling tube of group, transformer housing inner bottom face is provided with two sets of supporting shoes, the symmetry is provided with folder and lower folder respectively in the transformer housing, it all is the U-shaped structure with lower folder to go up the folder, and should go up and be provided with N three-phase winding of group between folder and the lower folder, it is provided with two sets of grip blocks with lower folder inner wall symmetry to go up the folder. This transformer for wind power generation increases fixed clamping structure, and the centre gripping of not only being convenient for is satisfied the iron core of different models and is used, and has the locate function, prevents to remove the slope, improves stability.

Description

Transformer for wind power generation

Technical Field

The utility model belongs to the technical field of wind power generation, concretely relates to transformer for wind power generation.

Background

Wind power generation converts kinetic energy of wind into mechanical kinetic energy, and then converts the mechanical energy into electric kinetic energy, namely wind power generation. The principle of wind power generation is that wind power drives windmill blades to rotate, and then the rotating speed is increased through a speed increaser, so that a generator is promoted to generate electricity. According to current windmill technology, the power generation can be started at a breeze speed of about three meters per second. Wind power generation is forming a hot tide in the world because it does not require the use of fuel and does not produce radiation or air pollution.

Wind power generation needs the transformer to cooperate the use, and when current wind power generation's the inside three-phase winding of transformer and transformer core installed, because generally lack centre gripping fixed knot structure, lead to iron core and three-phase winding to rock in the transformer housing very easily, cause the short circuit easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer for wind power generation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a transformer for wind power generation comprises a transformer shell, a mounting bottom plate and an I-shaped support, wherein the mounting bottom plate and the I-shaped support are positioned at the bottom of the transformer shell;

the transformer shell is of a rectangular box structure, an installation bottom plate is welded on the bottom end face of the transformer shell, and N groups of insulating sleeves are symmetrically and longitudinally arranged on the top end face of the transformer shell;

the transformer shell is characterized in that N groups of radiating pipes are symmetrically arranged on the periphery of the transformer shell, two groups of supporting blocks are arranged on the inner bottom end face of the transformer shell, an upper clamping piece and a lower clamping piece are symmetrically arranged in the transformer shell respectively, the upper clamping piece and the lower clamping piece are of U-shaped structures, N groups of three-phase windings are arranged between the upper clamping piece and the lower clamping piece, two groups of clamping plates are symmetrically arranged on the inner walls of the upper clamping piece and the lower clamping piece, first fastening bolts are in threaded through connection with two side faces of the upper clamping piece and two side faces of the lower clamping piece respectively, the first fastening bolts are connected with the clamping plates, two groups of sliding grooves are symmetrically formed in the bottom faces of the upper clamping piece and the.

Preferably, the upper clamping piece and the lower clamping piece are longitudinally and symmetrically provided with I-shaped vertical plates on two sides, a fixed block is welded in the middle of one back side of each of the two I-shaped vertical plates, a sealing bearing is clamped in the fixed block, the two side faces of the transformer shell are in threaded connection with second fastening bolts, and the second fastening bolts are welded with the inner ring of the sealing bearing.

Preferably, a first mounting groove is formed in the middle of the bottom end face of the mounting base plate, a heat dissipation fan is fixedly mounted on the inner wall of the first mounting groove through a bolt, and the input end of the heat dissipation fan faces the inside of the transformer shell.

Preferably, a second mounting groove is formed in the middle of the bottom end face of the transformer shell, a heat dissipation filter screen is fixedly mounted on the inner wall of the second mounting groove through bolts, and the heat dissipation filter screen and the heat dissipation fan are symmetrically arranged.

Preferably, two sets of I-shaped supports are symmetrically welded on two sides of the bottom end face of the mounting base plate, and bolts are connected to two sides of each set of I-shaped supports.

The utility model discloses a technological effect and advantage: the transformer for wind power generation is provided with the upper clamping piece, the lower clamping piece, the first fastening bolt, the clamping plate, the sliding chute and the sliding block, wherein the upper clamping piece and the lower clamping piece clamp the iron core of the three-phase winding; by arranging the I-shaped vertical plate, the fixing block, the second fastening bolt and the sealing bearing, the second fastening bolt is screwed in and moves into the transformer shell and is rotationally connected with the sealing bearing to drive the I-shaped vertical plate to fixedly clamp the upper clamping piece and the lower clamping piece, so that the clamping pieces are stable and prevented from sliding; this transformer for wind power generation increases fixed clamping structure, and the centre gripping of not only being convenient for is satisfied the iron core of different models and is used, and has the locate function, prevents to remove the slope, improves stability.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of the transformer housing of the present invention;

fig. 3 is a schematic view of the structure of the lower clamp of the present invention;

fig. 4 is a schematic structural view of the h-shaped vertical plate of the present invention.

In the figure: the device comprises a transformer shell 1, an installation bottom plate 2, an I-shaped support 3, a heat dissipation pipe 4, an upper clamping piece 5, a lower clamping piece 6, a three-phase winding 7, a heat dissipation fan 8, a heat dissipation filter screen 9, a supporting block 10, a second fastening bolt 11, an I-shaped vertical plate 12, a clamping plate 13, a sliding groove 14, a sliding block 15, a first fastening bolt 16, a fixing block 17 and a sealing bearing 18.

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.

The utility model provides a transformer for wind power generation as shown in figures 1-4, which comprises a transformer shell 1, a mounting bottom plate 2 and an I-shaped support 3, wherein the mounting bottom plate is positioned at the bottom of the transformer shell 1;

the transformer shell 1 is of a rectangular box structure, the bottom end face of the transformer shell 1 is welded with the mounting bottom plate 2, and N groups of insulating sleeves are symmetrically and longitudinally arranged on the top end face of the transformer shell 1;

the transformer comprises a transformer shell 1, N groups of radiating pipes 4 are symmetrically arranged on the periphery of the transformer shell 1, two groups of supporting blocks 10 are arranged on the inner bottom end face of the transformer shell 1, an upper clamping piece 5 and a lower clamping piece 6 are symmetrically arranged in the transformer shell 1, the upper clamping piece 5 and the lower clamping piece 6 are both in a U-shaped structure, N groups of three-phase windings 7 are arranged between the upper clamping piece 5 and the lower clamping piece 6, two groups of clamping plates 13 are symmetrically arranged on the inner walls of the upper clamping piece 5 and the lower clamping piece 6, first fastening bolts 16 are connected to the two side faces of the upper clamping piece 5 and the lower clamping piece 6 in a threaded penetrating manner and connected with the two side faces of the upper clamping piece 5 and the lower clamping plates 13, two groups of sliding grooves 14 are symmetrically arranged on the bottom faces of the upper clamping piece 5 and the lower clamping piece 6, sliding blocks 15 matched with the sliding grooves 14, the first fastening bolt 16 is screwed in to drive the clamping plate 13 to clamp and fix the iron core, and the sliding block 15 slides in cooperation with the sliding groove 14.

Specifically, the upper clamping piece 5 and the lower clamping piece 6 are longitudinally and symmetrically provided with h-shaped vertical plates 12 on two sides, a fixing block 17 is welded in the middle of one back side of each of the two groups of h-shaped vertical plates 12, a sealing bearing 18 is clamped in the fixing block 17, the two sides of the transformer shell 1 are both in threaded connection with second fastening bolts 11, the second fastening bolts 11 are welded with inner rings of the sealing bearing 18, the second fastening bolts 11 are screwed into the transformer shell 1 and move into the transformer shell 1 to be rotationally connected with the sealing bearing 18, and the h-shaped vertical plates 12 are driven to fixedly clamp the upper clamping piece 5 and the lower clamping piece 6, so that the clamping pieces are convenient to stabilize.

Specifically, 2 bottom end face intermediate positions of mounting plate have seted up first mounting groove, and first mounting groove inner wall has radiator fan 8 through bolt fixed mounting, radiator fan 8's input is inside towards transformer housing 1, and radiator fan 8 moves, and the cooling that dispels the heat in transformer housing 1.

Specifically, the second mounting groove has been seted up to 1 bottom end face intermediate position of transformer housing, and has heat dissipation filter screen 9 at second mounting groove inner wall through bolt fixed mounting, heat dissipation filter screen 9 sets up with this radiator fan 8 symmetry, and heat dissipation filter screen 9 is convenient for the circulation of gas in the transformer housing 1.

Specifically, two groups of I-shaped supports 3 are symmetrically welded on two sides of the bottom end face of the mounting base plate 2, and two sides of each group of I-shaped supports 3 are connected with bolts.

The working principle of the transformer for wind power generation is that the transformer shell 1 is installed at a required position through the I-shaped support 3, the upper clamping piece 5 and the lower clamping piece 6 are clamped with an iron core of the three-phase winding 7, the first fastening bolt 16 is screwed in manually to drive the clamping plate 13 to do centripetal motion and clamp and fix the iron core, the sliding block 15 is matched with the sliding groove 14 to slide, the second fastening bolt 11 is screwed in and moves into the transformer shell 1 and is rotatably connected with the sealing bearing 18 to drive the I-shaped vertical plate 12 to fixedly clamp the upper clamping piece 5 and the lower clamping piece 6, the cooling fan 8 runs, the cooling filter screen 9 facilitates the circulation of gas in the transformer shell 1 and cools the transformer shell 1 in a cooling mode. This transformer for wind power generation increases fixed clamping structure, and the centre gripping of not only being convenient for is satisfied the iron core of different models and is used, and has the locate function, prevents to remove the slope, improves stability.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A transformer for wind power generation comprises a transformer shell (1), a mounting base plate (2) and an I-shaped support (3), wherein the mounting base plate (2) is positioned at the bottom of the transformer shell (1);

the method is characterized in that: the transformer shell (1) is of a rectangular box structure, an installation bottom plate (2) is welded on the bottom end face of the transformer shell (1), and N groups of insulating sleeves are symmetrically and longitudinally arranged on the top end face of the transformer shell (1);

the transformer comprises a transformer shell (1), wherein N groups of heat dissipation pipes (4) are symmetrically arranged on the periphery of the transformer shell (1), two groups of supporting blocks (10) are arranged on the inner bottom end face of the transformer shell (1), an upper clamping piece (5) and a lower clamping piece (6) are symmetrically arranged in the transformer shell (1), the upper clamping piece (5) and the lower clamping piece (6) are both of U-shaped structures, N groups of three-phase windings (7) are arranged between the upper clamping piece (5) and the lower clamping piece (6), two groups of clamping plates (13) are symmetrically arranged on the inner walls of the upper clamping piece (5) and the lower clamping piece (6), first fastening bolts (16) are connected to the two side faces of the upper clamping piece (5) and the lower clamping piece (6) in a threaded penetrating manner, the first fastening bolts (16) are connected with the clamping plates (13), and two groups of sliding grooves (14) are symmetrically arranged, the bottom end of the clamping plate (13) is symmetrically provided with sliding blocks (15) which slide in a matched manner with the sliding grooves (14).

2. A transformer for wind power generation according to claim 1, characterized in that: the transformer shell is characterized in that I-shaped vertical plates (12) are longitudinally and symmetrically arranged on two sides of the upper clamping piece (5) and the lower clamping piece (6), a fixing block (17) is welded in the middle of one back side of each of the two sets of I-shaped vertical plates (12), a sealing bearing (18) is clamped in the fixing block (17), second fastening bolts (11) are connected to two side faces of the transformer shell (1) in a threaded mode, and the second fastening bolts (11) are welded with inner rings of the sealing bearing (18).

3. A transformer for wind power generation according to claim 2, characterized in that: a first mounting groove is formed in the middle of the bottom end face of the mounting base plate (2), a heat dissipation fan (8) is fixedly mounted on the inner wall of the first mounting groove through a bolt, and the input end of the heat dissipation fan (8) faces the inside of the transformer shell (1).

4. A transformer for wind power generation according to claim 3, characterized in that: the transformer casing (1) bottom end face intermediate position has seted up the second mounting groove, and has heat dissipation filter screen (9) at second mounting groove inner wall through bolt fixed mounting, heat dissipation filter screen (9) and this radiator fan (8) symmetry set up.

5. A transformer for wind power generation according to claim 1, characterized in that: two groups of I-shaped supports (3) are symmetrically welded on two sides of the bottom end face of the mounting base plate (2), and two sides of each I-shaped support (3) are connected with bolts.