CN216749542U

CN216749542U - Dry-type power transformer

Info

Publication number: CN216749542U
Application number: CN202123196350.4U
Authority: CN
Inventors: 黄文东
Original assignee: Guangzhou Guangneng Electric Equipment Co ltd
Current assignee: Guangzhou Guangneng Electric Equipment Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-06-14
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a dry-type power transformer, including the bottom steelframe, assemble the transformer on the bottom steelframe, and cooperate the bottom steelframe to carry out the top steelframe that the transformer fixed, the transformer includes the transformer body, with the heat dissipation combination that the transformer body clamped, the heat dissipation combination includes the fixed column, on the fixed column alternate the annular heat dissipation wing and the fan-shaped gasket that are placed in layers, and the ceramic sleeve of suit on the fixed column upper end; through clamping the heat dissipation combination to the transformer body, the heat dissipation effect of the transformer body can be improved, meanwhile, the heat dissipation combination is not integrally formed with the transformer body, the transformer body can be conveniently and quickly taken out of the heat dissipation combination in the maintenance process, or the transformer body is put back into the heat dissipation combination, and the transformer body heat dissipation combination has the advantages of being simple in structure, convenient to assemble and disassemble and convenient to maintain.

Description

Dry-type power transformer

Technical Field

The utility model particularly relates to a dry-type power transformer.

Background

In a severe environment, a transformer shell with a high protection level is required to protect the dry-type transformer. The transformer shell can effectively protect the transformer; however, during the operation of the transformer, with the increase of the load and the increase of the environmental temperature in the transformer housing, the temperature of the transformer also increases, thereby affecting the safe operation, especially in hot seasons and regions.

The existing dry-type power transformer is directly provided with radiating fins in order to improve the radiating effect, so that the transformer is inconvenient to disassemble and assemble in the maintenance process, has a complex structure and is not favorable for maintenance.

Disclosure of Invention

In view of this, the present invention provides a dry-type power transformer with simple structure and easy assembly, disassembly and maintenance.

In order to solve the technical problem, the technical scheme of the utility model is that:

a dry-type power transformer comprises a bottom steel frame, a transformer assembled on the bottom steel frame, and a top steel frame matched with the bottom steel frame to fix the transformer, wherein the transformer comprises a transformer body, a heat dissipation combination clamped with the transformer body, the heat dissipation combination comprises a fixed column, annular heat dissipation fins and fan-shaped gaskets alternately stacked on the fixed column, and a ceramic sleeve sleeved at the upper end of the fixed column.

Preferably, the fixed column is a double-headed screw.

Preferably, a plurality of triangular clamping parts are integrally formed on the inner side of the annular heat dissipation fin, and clamping part round holes are formed in the triangular clamping parts.

Preferably, the triangular clamping portions are distributed at equal intervals around the inner portion of the annular heat dissipation fin.

Preferably, the middle of the fan-shaped gasket is mainly provided with a gasket round hole.

Preferably, the side surface of the transformer body is provided with a plurality of embedding grooves at equal intervals.

The utility model discloses technical effect mainly embodies in following aspect: through clamping the heat dissipation combination to the transformer body, the heat dissipation effect of the transformer body can be improved, meanwhile, the heat dissipation combination is not integrally formed with the transformer body, the transformer body can be conveniently and quickly taken out of the heat dissipation combination in the maintenance process, or the transformer body is put back into the heat dissipation combination, and the transformer body heat dissipation combination has the advantages of being simple in structure, convenient to assemble and disassemble and convenient to maintain.

Drawings

Fig. 1 is a front view of a dry power transformer according to the present invention;

FIG. 2 is a structural diagram of the transformer body in FIG. 1;

FIG. 3 is a block diagram of the heat sink assembly of FIG. 1;

FIG. 4 is a block diagram of the ring fins of FIG. 3;

fig. 5 is a block diagram of the fan-shaped gasket of fig. 3.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right side", "left end", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, the detailed description thereof is omitted in this embodiment.

Examples

A dry-type power transformer is shown in fig. 1 and comprises a bottom steel frame 1, a transformer 2 assembled on the bottom steel frame 1, and a top steel frame 3 matched with the bottom steel frame 1 to fix the transformer 2, wherein the transformer 2 comprises a transformer body 21 and a heat dissipation assembly 22 clamped with the transformer body 21.

As shown in fig. 2, a plurality of embedding grooves 211 are equidistantly formed in the side surface of the transformer body 21, specifically, the number of the embedding grooves 211 is the same as the number of the triangular clamping portions 2221, and the triangular clamping portions 2221 can be embedded, so that the heat dissipation assembly 22 can be stably clamped on the transformer body 21.

As shown in fig. 3, the heat dissipating assembly 22 includes a fixing post 221, annular heat dissipating fins 222 and a fan-shaped shim 223 alternately stacked on the fixing post 221, and a ceramic sleeve 224 fitted over an upper end of the fixing post 221.

As shown in fig. 4, a plurality of triangular clamping portions 2221 are integrally formed on the inner side of the annular heat dissipation fin 222, and clamping portion circular holes 2222 are formed in the triangular clamping portions 2221. The triangular clamping portions 2221 are equidistantly distributed around the inside of the annular heat dissipation fins 222, and specifically, can be fixed by the fixing posts 221.

As shown in fig. 5, a main spacer circular hole 2231 is formed in the middle of the fan-shaped spacer 223 to facilitate the fixing post 221 to pass through.

In this embodiment, the fixing column 221 is a double-threaded screw, specifically, the lower end thereof is embedded into the bottom steel frame 1 and then screwed to the bottom steel frame 1 for fixing, and the upper end thereof passes through the top steel frame 3 and then is fixed by a nut.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. The utility model provides a dry-type power transformer, includes the bottom steelframe, assembles the transformer on the bottom steelframe to and cooperate the bottom steelframe to carry out the top steelframe that fixes the transformer, the transformer includes the transformer body, with the heat dissipation combination that the transformer body clamped, its characterized in that: the heat dissipation assembly comprises a fixing column, annular heat dissipation fins and fan-shaped gaskets which are alternately stacked on the fixing column, and a ceramic sleeve sleeved at the upper end of the fixing column.

2. A dry-type power transformer as claimed in claim 1, further comprising: the fixed column is a double-head screw.

3. A dry-type power transformer as claimed in claim 1, further comprising: a plurality of triangular clamping parts are integrally formed on the inner side of the annular heat dissipation fin, and clamping part round holes are formed in the triangular clamping parts.

4. A dry-type power transformer as claimed in claim 3, further comprising: the triangular clamping parts are distributed around the inner part of the annular heat dissipation fin at equal intervals.

5. A dry-type power transformer as claimed in claim 1, further comprising: the middle of the fan-shaped gasket is mainly provided with a gasket round hole.

6. A dry-type power transformer as claimed in claim 1, further comprising: and a plurality of embedded grooves are formed in the side face of the transformer body at equal intervals.