CN219418719U

CN219418719U - Low-voltage coil outgoing structure of transformer

Info

Publication number: CN219418719U
Application number: CN202320076258.4U
Authority: CN
Inventors: 王�锋; 葛臣
Original assignee: Shandong Linglong Electromechanical Co Ltd
Current assignee: Shandong Linglong Electromechanical Co Ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-07-25
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a low-voltage coil outgoing structure of a transformer, which comprises an iron core, wherein a clamping piece is fixedly connected to the iron core, a foot pad block is fixedly connected to the iron core, a mounting seat is fixedly connected to the foot pad block, the mounting seat is fixedly connected with the iron core, a mounting hole is formed in the mounting seat, an iron yoke partition plate is arranged on the iron core, a coil is fixedly sleeved on the outer side of the iron core, and the coil is in contact with the iron yoke partition plate. The utility model solves the problems of small insulation distance between copper bars, small insulation distance between copper bars and clamping pieces and small insulation distance between copper bars and coils and difficult operation by innovatively applying the method that the head copper bars pass through the clamping pieces and the iron core to be outgoing lines, reduces the distance between the copper bars and the tank wall of the oil tank by changing the head copper bar outgoing lines, can reduce the size of the oil tank, and is more firmly fixed and better in quality by adopting a fixing method that the clamping pieces are directly clamped by the head copper bars.

Description

Low-voltage coil outgoing structure of transformer

Technical Field

The utility model relates to the technical field of low-voltage coils of transformers, in particular to a wire outlet structure of a low-voltage coil of a transformer.

Background

The transformer coil is a coil, and the coil is needed inside the transformer to operate. The phase numbers are as follows: (1) single-phase transformers: for single-phase loads and three-phase transformer banks; (2) a three-phase transformer: the method is used for rising and falling voltages of a three-phase system. The method comprises the following steps of: the coil of a small transformer is generally made of round copper wire with insulation, while the coil of a large transformer is generally made of flat copper wire with insulation layer, and the coil is generally divided into two types of layers and cakes. The turns of the coil are sequentially arranged and continuously wound in layers along the axial direction, and are called layer-type coils. Each layer is cylindrical, which is considered to have good mechanical strength, not easy to deform and convenient to wind. A coil consisting of two layers is called a double-layer cylinder; consisting of multiple layers, known as multi-layer cylinders. At present, all adopt first end copper bar homonymy equidirectional to be qualified for the next round of competitions at oil-immersed transformer low pressure coil, be qualified for the next round of competitions promptly below the folder, between the coil upper end, all have hidden danger and difficult scheduling problem of operation when structural arrangement and insulating treatment are qualified for the next round of competitions to the copper bar, and homonymy is qualified for the next round of competitions to the size of oil tank, also has certain restriction to the fixed of copper bar.

Disclosure of Invention

The utility model aims to provide a low-voltage coil outgoing structure of a transformer, which solves the problems of hidden danger, difficult operation and the like of a copper bar outgoing line in structural arrangement and insulation treatment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a transformer low-voltage coil outlet structure, includes the iron core, fixedly connected with folder on the iron core, fixedly connected with fills up the foot cushion on the iron core, fixedly connected with mount pad on the foot cushion, mount pad and iron core fixed connection, the mounting hole has been seted up on the mount pad, be provided with the yoke baffle on the iron core, the outside of iron core is fixed to be cup jointed the coil, coil and yoke baffle contact, fixedly connected with first copper bar on the folder, first copper bar and iron core fixed connection, fixedly connected with last copper bar on the folder, fixedly connected with first clamp plate on the last copper bar, first clamp plate and iron core fixed connection, fixedly connected with second clamp plate on the last copper bar, second clamp plate and iron core fixed connection, be provided with alternate baffle on the iron core.

Preferably, the number of the iron yoke partition plates is two, and the two iron yoke partition plates are symmetrically distributed on the iron core. The iron yoke partition plate can play a certain insulating role on the iron core.

Preferably, the number of the clamping pieces is four, and the four clamping pieces are uniformly distributed on the iron core. The clamping piece can be used for clamping and fixing the insulating pad of the clamping piece through designing the clamping piece.

Preferably, the number of the mounting holes is four, and the four mounting holes are uniformly distributed on the mounting seat. Through the design mounting hole, accessible mounting hole is fixed overall structure installation.

Preferably, a clamp insulating pad is fixedly connected to the clamp, and the clamp insulating pad is fixedly connected with the iron core. The insulating pad of the clamping piece is designed to have a certain insulating effect on the iron core.

Preferably, the number of the foot pad blocks is two, and the two foot pad blocks are symmetrically distributed on the iron core. Through the design pad callus on the sole piece, can support the overall structure of iron core.

The beneficial effects of the utility model are as follows:

the utility model solves the problems of small insulation distance between copper bars, small insulation distance between copper bars and clamping pieces and small insulation distance between copper bars and coils and difficult operation by innovatively applying the method that the head copper bars pass through the clamping pieces and the iron core to be outgoing lines, reduces the distance between the copper bars and the tank wall of the oil tank by changing the head copper bar outgoing lines, can reduce the size of the oil tank, and is more firmly fixed and better in quality by adopting a fixing method that the clamping pieces are directly clamped by the head copper bars.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic diagram of the core structure of fig. 1 according to the present utility model.

In the figure: 1. an iron core; 2. an iron yoke separator; 3. a first platen; 4. a second pressing plate; 5. a phase separator; 6. a first copper bar; 7. a last copper bar; 8. a coil; 9. a clamping piece; 10. a clip insulating pad; 11. foot pad blocks; 12. a mounting base; 13. and (5) mounting holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Please refer to fig. 1, fig. 2, a transformer low-voltage coil outgoing line structure, including iron core 1, fixedly connected with folder 9 on the iron core 1, the quantity of folder 9 is four, four folder 9 evenly distributed on iron core 1, through designing folder 9, can be used to press from both sides the tight fixedly with folder insulating mattress 10, fixedly connected with folder insulating mattress 10 on the folder 9, folder insulating mattress 10 and iron core 1 fixed connection can play certain insulating effect to iron core 1 through designing folder insulating mattress 10, fixedly connected with pad foot piece 11 on the iron core 1, fixedly connected with mount pad 12 on the pad foot piece 11, the quantity of pad foot piece 11 is two, two pad foot cushion blocks 11 symmetrical distribution on iron core 1, through designing pad foot piece 11, can support the overall structure of iron core 1.

Referring to fig. 1 and 2, a mounting seat 12 is fixedly connected with an iron core 1, mounting holes 13 are formed in the mounting seat 12, the number of the mounting holes 13 is four, the four mounting holes 13 are uniformly distributed on the mounting seat 12, the whole structure is fixedly installed through the design of the mounting holes 13, iron cores 1 are provided with iron yoke partition plates 2, the number of the iron yoke partition plates 2 is two, the two iron yoke partition plates 2 are symmetrically distributed on the iron cores 1, a certain insulating effect can be achieved on the iron cores 1 through the design of the iron yoke partition plates 2, coils 8 are fixedly sleeved on the outer sides of the iron cores 1, the coils 8 are in contact with the iron yoke partition plates 2, first copper bars 6 are fixedly connected with the iron cores 1, last copper bars 7 are fixedly connected with the clamp pieces 9, first pressing plates 3 are fixedly connected with the last copper bars 7, second pressing plates 4 are fixedly connected with the iron cores 1, and interphase partition plates 5 are fixedly connected with the iron cores 1.

The specific implementation process of the utility model is as follows: the method that the first copper bar 6 passes through the gap between the clamping piece 9 and the iron core 1 is innovatively applied, the problems that the insulation distance between the copper bars is small, the insulation distance between the copper bars and the clamping piece 9 is small, the insulation distance between the copper bars and the coil 8 is small and the operation is difficult are solved, the distance between the copper bars and the tank wall of the oil tank is reduced through the change of the first copper bar outlet wire 6, the size of the oil tank can be reduced, and the first copper bar 6 is fixed more firmly and better in quality by adopting a fixing method that the clamping piece 9 is directly clamped.

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

Claims

1. The utility model provides a transformer low-voltage coil outlet structure, iron core (1) that include, its characterized in that: fixedly connected with folder (9) on iron core (1), fixedly connected with fills up callus on the sole piece (11) on iron core (1), fixedly connected with mount pad (12) on filling up callus on the sole piece (11), mount pad (12) and iron core (1) fixed connection, mounting hole (13) have been seted up on mount pad (12), be provided with yoke baffle (2) on iron core (1), coil (8) have been cup jointed in the outside of iron core (1) fixedly, coil (8) and yoke baffle (2) contact, first copper bar (6) of fixedly connected with on folder (9), first copper bar (6) and iron core (1) fixed connection, fixedly connected with first clamp plate (3) on clamp piece (9) last copper bar (7), first clamp plate (3) and iron core (1) fixed connection, alternate second clamp plate (4) on last copper bar (7), second clamp plate (4) and iron core (1) fixed connection, separator (5) are provided with.

2. A low voltage coil outlet structure of a transformer as claimed in claim 1, wherein: the number of the iron yoke partition plates (2) is two, and the two iron yoke partition plates (2) are symmetrically distributed on the iron core (1).

3. A low voltage coil outlet structure of a transformer as claimed in claim 1, wherein: the number of the clamping pieces (9) is four, and the four clamping pieces (9) are uniformly distributed on the iron core (1).

4. A low voltage coil outlet structure of a transformer as claimed in claim 1, wherein: the number of the mounting holes (13) is four, and the four mounting holes (13) are uniformly distributed on the mounting seat (12).

5. A low voltage coil outlet structure of a transformer as claimed in claim 1, wherein: the clamp (9) is fixedly connected with a clamp insulating pad (10), and the clamp insulating pad (10) is fixedly connected with the iron core (1).

6. A low voltage coil outlet structure of a transformer as claimed in claim 1, wherein: the number of the foot pad blocks (11) is two, and the two foot pad blocks (11) are symmetrically distributed on the iron core (1).