CN213150533U

CN213150533U - Three-phase transformer iron core structure

Info

Publication number: CN213150533U
Application number: CN202021914801.6U
Authority: CN
Inventors: 姚媛
Original assignee: Hefei Shengbao Electrical Co ltd
Current assignee: Hefei Shengbao Electrical Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-05-07
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a three-phase transformer core structure, including last mounting panel, lower mounting panel and three-phase core, three-phase core is provided with first iron core piece, second iron core piece and third iron core piece, and the upper and lower both ends of first iron core piece, second iron core piece and third iron core piece all are provided with the connector to it is fixed on last mounting panel to go up three group's connectors, and three group's connectors are fixed under on the mounting panel down simultaneously, first lag has been put to first iron core piece overcoat, and second iron core piece overcoat has put the second lag to third iron core piece overcoat has put the third protection sheath. This three-phase transformer core structure, the structure sets up rationally, and the three-phase iron core in this equipment is provided with first iron core piece, second iron core piece and third iron core piece, and the three structure sets up the same to central line becomes central symmetrical structure about three-phase iron core, and the three-phase is arranged in proper order, constitutes three-dimensional equilateral tripod structure, and the magnetic flux loss is little, compact structure, and installation space is little.

Description

Three-phase transformer iron core structure

Technical Field

The utility model relates to a rectifier transformer technical field specifically is a three-phase transformer core structure.

Background

The rectifier transformer is a power transformer of rectifier equipment, and the rectifier equipment is characterized by that the primary side inputs AC, and the secondary side outputs DC after passing through rectifier element, and the rectifier is one of the most extensive applications, and the transformer used as power supply of rectifier device is called rectifier transformer.

In order to solve the defects and the defects of the rectifier transformer iron core, the structure is reasonable, the three-phase iron core in the device is provided with the first iron core block, the second iron core block and the third iron core block, the three iron core blocks are identical in structure arrangement, a central symmetrical structure is formed about the central line of the three-phase iron core, the three phases are sequentially arranged to form a three-dimensional equilateral tripod structure, the magnetic flux loss is small, the structure is compact, the installation space is small, and therefore the three-phase transformer iron core structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's inserted sheet formula iron core, because there are many gaps between the iron core post of its iron core and the yoke iron for iron core magnetic circuit is interrupted discontinuously, thereby causes the magnetic resistance increase of iron core, and the no-load loss and the no-load current of transformer increase, and still produce the defect of magnetic leakage and noise easily, provide a three-phase transformer core structure. The three-phase transformer iron core structure has the characteristics of reasonable structure arrangement, three-phase iron core in the equipment is provided with the first iron core block, the second iron core block and the third iron core block, the three structures are arranged identically, a central symmetrical structure is formed about the central line of the three-phase iron core, the three phases are arranged in sequence, a three-dimensional equilateral tripod structure is formed, the magnetic flux loss is small, the structure is compact, the installation space is small, and the like.

In order to achieve the above object, the utility model provides a following technical scheme: a three-phase transformer iron core structure comprises an upper mounting plate, a lower mounting plate and a three-phase iron core, wherein the three-phase iron core is provided with a first iron core block, a second iron core block and a third iron core block, connectors are arranged at the upper end and the lower end of each of the first iron core block, the second iron core block and the third iron core block, the upper three groups of connectors are fixed on the upper mounting plate, and the lower three groups of connectors are fixed on the lower mounting plate;

first lag has been put to first iron core piece overcoat, and second iron core piece overcoat has put the second lag to third iron core piece overcoat has put the third protection sheath, and the through-hole has all been seted up at the center of first lag, second lag and third protection sheath simultaneously.

Preferably, go up the up end edge vertical fixation of mounting panel and go up the backup pad, and the upper end of going up the backup pad is fixed with the roof to the round hole has been seted up at the middle part of roof, and the roof, go up the mounting panel and go up the backup pad and all adopt the silica material simultaneously.

Preferably, the lower terminal surface edge of lower mounting panel is provided with the bottom suspension fagging perpendicularly, and the lower extreme of bottom suspension fagging is provided with the backing plate to the outward flange department of backing plate installs multiunit fastening bolt, and the round hole has been seted up at the center of backing plate, and lower mounting panel, bottom suspension fagging and backing plate all adopt the silica material simultaneously.

Preferably, the fixed pin under the multiunit is all installed to two portions about the up end of going up the mounting panel, and the fixed pin on the multiunit is all installed to two portions about the lower terminal surface of roof to go up the fixed pin and set up relatively from top to bottom between the fixed pin down, install the spring between the fixed pin and the fixed pin down on the matched with.

Preferably, the lower terminal surface of lower mounting panel is controlled two and is all installed the fixed pin under the multiunit, and the upper end surface of backing plate is controlled two and is all installed the fixed pin on the multiunit to relative setting about between lower fixed pin and the last fixed pin installs the spring between matched with lower fixed pin and the last fixed pin.

Preferably, the centers of the upper mounting plate, the three-phase iron core and the lower mounting plate are all located on the same axis, and the first iron core block, the second iron core block and the third iron core block form a central symmetry structure with respect to the central line of the three-phase iron core.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the three-phase transformer iron core structure is reasonable in overall structure arrangement, a three-phase iron core in the equipment is provided with a first iron core block, a second iron core block and a third iron core block, the three iron core blocks are identical in structure arrangement and form a central symmetrical structure about the central line of the three-phase iron core, the three phases are sequentially arranged to form a three-dimensional equilateral tripod structure, the magnetic flux loss is small, the structure is compact, and the installation space is small;

2. be provided with mounting panel and roof in the upper end of three-phase iron core, the lower part of three-phase iron core is provided with down mounting panel and backing plate, goes up the mounting panel and all is provided with the spring between two portions about roof, lower mounting panel and backing plate, helps three-phase iron core stable erection, reduces the buffering.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a schematic top view of the structure of the present invention;

fig. 4 is a schematic top-view expanded view of the structure of the present invention;

fig. 5 is a schematic diagram of the structure of the three-phase iron core of the present invention.

Reference numbers in the figures: 1. a top plate; 2. an upper fixing pin; 3. a spring; 4. a lower fixing pin; 5. an upper mounting plate; 6. a first core block; 7. a second core block; 8. a first protective cover; 9. a second protective cover; 10. a lower mounting plate; 11. a lower support plate; 12. fastening a bolt; 13. a base plate; 14. a third protective sheath; 15. a third iron core block; 16. a connector; 17. an upper support plate; 18. a circular hole; 19. a three-phase iron core; 20. and a through hole.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a three-phase transformer core structure comprises a top plate 1, an upper fixing pin 2, a spring 3, a lower fixing pin 4, an upper mounting plate 5, a first core block 6, a second core block 7, a first protective sleeve 8, a second protective sleeve 9, a lower mounting plate 10, a lower supporting plate 11, a fastening bolt 12, a base plate 13, a third protective sleeve 14, a third core block 15, connectors 16, an upper supporting plate 17, a circular hole 18, a three-phase core 19 and through holes 20, wherein the three-phase core 19 is provided with the first core block 6, the second core block 7 and the third core block 15, the connectors 16 are respectively arranged at the upper end and the lower end of the first core block 6, the second core block 7 and the third core block 15, the upper three groups of connectors 16 are fixed on the upper mounting plate 5, the upper supporting plate 17 is vertically fixed at the edge of the upper end face of the upper mounting plate 5, the top plate 1 is fixed at the upper end of the upper supporting plate 17, meanwhile, the top plate 1, the upper mounting plate 5 and the upper support plate 17 are all made of silicon oxide, the left and right parts of the upper end surface of the upper mounting plate 5 are respectively provided with a plurality of groups of lower fixing pins 4, the left and right parts of the lower end surface of the top plate 1 are respectively provided with a plurality of groups of upper fixing pins 2, the upper fixing pins 2 and the lower fixing pins 4 are oppositely arranged up and down, springs 3 are arranged between the upper fixing pins 2 and the lower fixing pins 4 which are matched, meanwhile, the lower three groups of connectors 16 are fixed on the lower mounting plate 10, the lower support plate 11 is vertically arranged at the edge of the lower end surface of the lower mounting plate 10, the lower end of the lower support plate 11 is provided with a backing plate 13, the outer edge of the backing plate 13 is provided with a plurality of groups of fastening bolts 12, the center of the backing plate 13 is provided with a round hole 18, meanwhile, and fixed pin 2 on the multiunit is all installed to two portions about the up end of backing plate 13, and relative setting from top to bottom between lower fixed pin 4 and the last fixed pin 2, install spring 3 between matched with lower fixed pin 4 and the last fixed pin 2, go up mounting panel 5, three-phase iron core 19, the center of lower mounting panel 10 all is located same axis, and first iron core piece 6, second iron core piece 7 and third iron core piece 15 become central symmetrical structure about the central line of three-phase iron core 19, first lag 8 has been put to first iron core piece 6 overcoat, and second lag 9 has been put to second iron core piece 7 overcoat, and third lag 14 has been put to third iron core piece 15 overcoat, simultaneously first lag 8, through-hole 20 has all been seted up at the center of second lag 9 and third lag 14.

As shown in fig. 1-5, the overall structural arrangement of the apparatus is shown, a three-phase iron core 19 in the apparatus is provided with a first iron core block 6, a second iron core block 7 and a third iron core block 15, the three structures are the same, and a central symmetrical structure is formed about the central line of the three-phase iron core 19, the three phases are sequentially arranged to form a three-dimensional equilateral tripod structure, the magnetic flux loss is small, the structure is compact, and the installation space is small;

and the upper end of the three-phase iron core 19 is provided with an upper mounting plate 5 and a top plate 1, the lower part of the three-phase iron core 19 is provided with a lower mounting plate 10 and a base plate 13, and springs 3 are arranged between the left and right parts of the upper mounting plate 5 and the top plate 1 and between the lower mounting plate 10 and the base plate 13, so that the stable mounting of the three-phase iron core 19 is facilitated, and the buffering is reduced.

The working principle is as follows: when using this three-phase transformer core structure, three-phase iron core 19 mainly is provided with first iron core piece 6, second iron core piece 7 and third iron core piece 15, first lag 8, through-hole 20 has all been seted up at the center of second lag 9 and third lag 14, first lag 8 cover is put outside first iron core piece 6, second lag 9 cover is put outside second iron core piece 7, third lag 14 cover is put outside third iron core piece 15, help protecting the iron core, use more safe and reliable, simultaneously set up mounting panel 5 and roof 1 in three-phase iron core 19's upper end, mounting panel 10 and backing plate 13 under three-phase iron core 19's lower extreme sets up, not only easy to assemble, the effect of protection three-phase iron core 19 upper and lower extreme has again, help it to use safelyr.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a three-phase transformer core structure, includes mounting panel (5), lower mounting panel (10) and three-phase iron core (19), its characterized in that: the three-phase iron core (19) is provided with a first iron core block (6), a second iron core block (7) and a third iron core block (15), connectors (16) are arranged at the upper end and the lower end of the first iron core block (6), the second iron core block (7) and the third iron core block (15), the upper three groups of connectors (16) are fixed on the upper mounting plate (5), and the lower three groups of connectors (16) are fixed on the lower mounting plate (10);

first lag (8) have been put to first iron core piece (6) overcoat, and second lag (9) have been put to second iron core piece (7) overcoat to third iron core piece (15) overcoat has been put third lag (14), and through-hole (20) have all been seted up in the center of first lag (8), second lag (9) and third lag (14) simultaneously.

2. A three-phase transformer core structure according to claim 1, characterized in that: go up backup pad (17) in the up end edge vertical fixation of mounting panel (5), and the upper end of going up backup pad (17) is fixed with roof (1) to round hole (18) have been seted up at the middle part of roof (1), and roof (1), last mounting panel (5) and last backup pad (17) all adopt the silica material simultaneously.

3. A three-phase transformer core structure according to claim 1, characterized in that: lower terminal surface edge of lower mounting panel (10) is provided with bottom suspension fagging (11) perpendicularly, and the lower extreme of bottom suspension fagging (11) is provided with backing plate (13) to the outward flange department of backing plate (13) installs multiunit fastening bolt (12), and round hole (18) have been seted up at the center of backing plate (13), and mounting panel (10), bottom suspension fagging (11) and backing plate (13) all adopt the silica material down simultaneously.

4. A three-phase transformer core structure according to claim 1, characterized in that: go up the up end of mounting panel (5) and control two and all install fixed pin (4) under the multiunit, and fixed pin (2) on the multiunit are all installed to two about the lower terminal surface of roof (1) to go up fixed pin (2) and down relative setting from top to bottom between fixed pin (4), install spring (3) between matched with last fixed pin (2) and lower fixed pin (4).

5. A three-phase transformer core structure according to claim 1, characterized in that: the lower terminal surface of lower mounting panel (10) is controlled two and is all installed fixed pin (4) under the multiunit, and fixed pin (2) on the multiunit are all installed to two about the up end of backing plate (13) to relative setting about between fixed pin (4) and last fixed pin (2) down, install spring (3) between matched with lower fixed pin (4) and last fixed pin (2).

6. A three-phase transformer core structure according to claim 1, characterized in that: the centers of the upper mounting plate (5), the three-phase iron core (19) and the lower mounting plate (10) are all located on the same axis, and the first iron core block (6), the second iron core block (7) and the third iron core block (15) form a central symmetry structure relative to the central line of the three-phase iron core (19).