CN220914033U - Low-noise dry-type transformer - Google Patents

Abstract

The utility model belongs to the technical field of transformers, and particularly relates to a low-noise dry-type transformer, which comprises a transformer body and clamping pieces, wherein the transformer body comprises an iron core and a transformer coil, the clamping pieces are two groups of clamping plates respectively arranged at the upper end and the lower end of the iron core, the clamping pieces comprise two clamping plates arranged on two objects, the two clamping plates are connected through a supporting block, sound-absorbing cotton is arranged on the inner wall of each clamping plate, the upper clamping plate and the lower clamping plate are fixedly connected through a connecting frame, and a gasket is inserted into a gap between the lower part of the transformer coil of the dry-type transformer body and the clamping plates through the matching of the clamping plates and the sound-absorbing cotton, so that vibration generated during the operation of the dry-type transformer body can be reduced, the purpose of reducing noise is achieved, and the service life of the dry-type transformer body is prolonged.

Description

Low-noise dry-type transformer

Technical Field

The utility model belongs to the technical field of transformers, and particularly relates to a low-noise dry-type transformer.

Background

Compared with an oil immersed transformer, the dry type transformer is a transformer with iron cores and windings not immersed in insulating liquid, is generally used in hospitals, schools, residential communities and industrial and mining enterprises, and is unstable in operation or destroyed mainly because when the transformer operates for a long time, load is increased or the winding temperature of the transformer exceeds the heat-resistant limit of an insulating material when a power system fails, so that the insulating material fails, the transformer fails, the existing dry type transformer has large noise because the iron cores are fixed by adopting a punching structure, noise pollution is generated to the working environment, and the requirement of current people on the product cannot be met far. For this purpose, we have devised an improved low noise dry-type transformer.

Disclosure of utility model

In view of the above-mentioned shortcomings in the prior art, the present utility model provides a low noise dry-type transformer for solving the above-mentioned problems in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The utility model provides a low noise dry-type transformer, includes transformer body and folder, the transformer body includes iron core and vary voltage coil, the folder is two sets of upper and lower both ends that set up at the iron core respectively, the folder includes the splint that two objects set up, connects through the supporting shoe between two splint, splint inner wall is provided with inhales the sound cotton, passes through link fixed connection between the upper and lower splint.

Further, the clamping plate is provided with a hanging lug.

Further, the connecting frame is U-shaped, and a wire fixing groove for limiting the connecting wire is arranged on one side of the connecting frame parallel to the iron core.

Further, the clamping plate is of a sheet metal structure.

Further, the surfaces of the clamping plates are coated with anti-corrosion paint.

Compared with the prior art, the utility model has the following beneficial effects:

1. Through the cooperation of splint and sound absorbing cotton, insert the gasket in the space between the below of dry-type transformer main part transformer coil and the splint, can reduce the vibrations that dry-type transformer main part during operation produced to reach the purpose of noise reduction, prolonged the life of dry-type transformer main part.

Drawings

Fig. 1 is a schematic perspective view (view angle one) of a low noise dry-type transformer according to an embodiment of the present utility model;

fig. 2 is a schematic perspective view of a low noise dry-type transformer according to an embodiment of the present utility model (view two);

fig. 3 is a schematic perspective view of a low noise dry-type transformer according to an embodiment of the present utility model (view three);

fig. 4 is a schematic perspective view of an embodiment of a low noise dry-type transformer according to the present utility model (view four);

Reference numerals in the drawings of the specification include:

A transformer body 1, a clamping piece 2,

A transformer coil 11, an iron core 12,

The device comprises a clamping plate 21, hanging lugs 211, supporting blocks 22, a connecting frame 23, a wire fixing groove 231 and sound absorbing cotton 24.

Detailed Description

In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiment one:

As shown in fig. 1-4, the present utility model. Specifically, a low-noise dry-type transformer comprises a transformer body 1 and clamping pieces 2, wherein the transformer body 1 comprises an iron core 12 and a transformation coil 11, the clamping pieces 2 are respectively arranged at the upper end and the lower end of the iron core 12, each clamping piece 2 comprises clamping plates 21 arranged in two objects, the two clamping plates 21 are connected through a supporting block 22, sound absorbing cotton 24 is arranged on the inner wall of each clamping plate 21, and the upper clamping plates 21 and the lower clamping plates 21 are fixedly connected through a connecting frame 23.

The clamping plate 21 is provided with a hanging lug 211.

The connecting frame 23 is U-shaped, and a wire fixing groove 231 for limiting the wire is arranged on one side of the connecting frame 23 parallel to the iron core 12.

The clamping plate 21 is of a sheet metal structure.

The surface of the clamping plate 21 is coated with anti-corrosive paint.

In the practical implementation process, through the cooperation of the clamping plate 21 and the sound absorbing cotton 24, the gasket is inserted into the gap between the lower part of the transformer coil 11 of the dry-type transformer main body and the clamping plate 21, so that vibration generated during the operation of the dry-type transformer main body can be reduced, the purpose of reducing noise is achieved, and the service life of the dry-type transformer main body is prolonged.

The foregoing is merely exemplary of the present utility model, and specific structures and features well known in the art will not be described in detail herein, so that those skilled in the art will be aware of all the prior art to which the present utility model pertains, and will be able to ascertain the general knowledge of the technical field in the application or prior art, and will not be able to ascertain the general knowledge of the technical field in the prior art, without using the prior art, to practice the present utility model, with the aid of the present utility model, to ascertain the general knowledge of the same general knowledge of the technical field in general purpose. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims (5)

1. The utility model provides a low noise dry-type transformer, includes transformer body (1) and folder (2), transformer body (1) include iron core (12) and transformer coil (11), its characterized in that: the clamping pieces (2) are respectively arranged at the upper end and the lower end of the iron core (12), the clamping pieces (2) comprise clamping plates (21) which are arranged in two objects, the two clamping plates (21) are connected through supporting blocks (22), sound absorbing cotton (24) is arranged on the inner wall of each clamping plate (21), and the upper clamping plates (21) and the lower clamping plates (21) are fixedly connected through connecting frames (23).

2. A low noise dry-type transformer according to claim 1, wherein: the clamping plate (21) is provided with a hanging lug (211).

3. A low noise dry-type transformer according to claim 2, wherein: the connecting frame (23) is U-shaped, and a wire fixing groove (231) for limiting the wire is arranged on one side of the connecting frame (23) parallel to the iron core (12).

4. A low noise dry-type transformer according to claim 3, wherein: the clamping plate (21) is of a sheet metal structure.

5. A low noise dry-type transformer according to claim 4, wherein: the surface of the clamping plate (21) is coated with anti-corrosion paint.