CN218069588U

CN218069588U - Dry-type transformer with noise reduction and buffering functions

Info

Publication number: CN218069588U
Application number: CN202220437938.XU
Authority: CN
Inventors: 王公伍; 夏桂华; 杜长池
Original assignee: Anhui Jiutian Transformer Co ltd
Current assignee: Anhui Jiutian Transformer Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-12-16
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a dry-type transformer with noise reduction and buffering functions, which comprises a shell, wherein a transformer is arranged inside the shell, a cavity is arranged inside the shell, rectangular through grooves distributed at equal intervals are formed in the inner side wall of the shell, the rectangular through grooves are communicated with the cavity, silencing cotton is bonded on the inner wall of the cavity, two supporting plates are symmetrically and fixedly connected to the bottom of the transformer, and two buffering components are symmetrically and fixedly connected to the lower surfaces of the supporting plates; the utility model discloses a set up the I-steel and use with the cooperation of opening channel-section steel, the vibrations that produce when first rubber pad can absorb the transformer operation, long-time use the back, because elastic fatigue appears in amplitude increase or first rubber pad, the inboard upper wall of I-steel continues to realize the buffering with the contact of second rubber pad, and then falls in the emergence source of noise and makes an uproar, has avoided producing noise pollution to external environment.

Description

Dry-type transformer with noise reduction and buffering functions

Technical Field

The utility model relates to a dry-type transformer technical field specifically indicates a dry-type transformer with buffer function of making an uproar falls.

Background

The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core. The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer) and the like, and a large number of transformers in the market are dry transformers, oil-immersed transformers and distribution transformers, wherein the dry transformers are widely used in places such as local illumination, high-rise buildings, airports, wharf CNC (computerized numerical control) mechanical equipment and the like.

Due to the long-time work of the dry-type transformer and the aging of elements such as a coil, an iron core and the like, vibration and noise occur between an alternating acting force generated by a magnetic field and a transformer base, and further noise pollution is generated to the external environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type transformer with buffer function of making an uproar falls to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a dry-type transformer with noise reduction and buffering functions comprises a shell, wherein a transformer is arranged inside the shell, a cavity is arranged inside the shell, rectangular through grooves distributed at equal intervals are formed in the inner side wall of the shell, the rectangular through grooves are communicated with the cavity, noise reduction cotton is bonded on the inner wall of the cavity, two supporting plates are symmetrically and fixedly connected to the bottom of the transformer, and two buffering assemblies are symmetrically and fixedly connected to the lower surfaces of the supporting plates;

the buffer assembly comprises I-shaped steel, an opening channel steel, a first rubber pad and a second rubber pad;

two I-steel of lower surface symmetry fixedly connected with of fagging, the inside wall symmetrical welding of casing has two opening channel-section steels, the lower part of I-steel is located the inside of opening channel-section steel, the lower surface of I-steel with the inside diapire of opening channel-section steel bonds and has first rubber pad, the upper surface bonding of opening channel-section steel has the second rubber pad.

As further preferable in the present technical solution: and a gap is reserved between the second rubber pad and the inner upper wall of the I-shaped steel.

As further preferable in the present technical solution: a first through groove is formed in the upper surface of the shell, a fan is fixedly connected to the inner side wall of the first through groove, and two ventilation openings are symmetrically formed in the two sides of the shell.

As a further preferred aspect of the present invention: the inside fixedly connected with of vent separates the net.

As a further preferred aspect of the present invention: and a smoke alarm is arranged on the inner top wall of the shell.

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

1. the utility model discloses a set up the I-steel and use with the cooperation of opening channel-section steel, first rubber pad can absorb the vibrations that the transformer operation produced, long-time the back of using, because elastic fatigue appears in amplitude increase or first rubber pad, the inboard upper wall and the contact of second rubber pad of I-steel continue to realize the buffering, and then fall at the emergence source of noise and make an uproar, has avoided producing noise pollution to external environment.

2. The utility model discloses a set up the casing in the outside of transformer, the noise that the transformer produced is inside the groove gets into the cavity through the rectangle, and the rectangle leads to the groove on the one hand and can reduce the echo with the cavity cooperation, and on the other hand sound wave can be absorbed by the sound absorption cotton after getting into the cavity, and then realizes falling on the way the propagation of sound making an uproar.

Drawings

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

FIG. 2 is a schematic side view of the connection structure of the open channel steel, the I-steel, the second rubber pad and the supporting plate of the present invention;

fig. 3 is a schematic top view of the present invention.

As shown in the figure: 11. a housing; 12. a cavity; 13. a rectangular through groove; 14. silencing cotton; 15. a transformer; 16. a supporting plate; 17. a buffer assembly; 18. i-shaped steel; 19. opening channel steel; 20. a first rubber pad; 21. a second rubber pad; 31. a first through groove; 32. a fan; 33. a vent; 41. separating the net; 51. a smoke alarm.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "one end", "the other end", "both sides", "both ends", and the like herein indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 description of the present invention, it is to be noted that, unless otherwise specified or limited, the terms "disposed" and "connected" are used in a broad sense, and for example, "connected" may be fixedly connected, detachably connected, integrally connected, mechanically connected, or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model provides a technical solution: a dry-type transformer with noise reduction and buffering functions comprises a shell 11, wherein a transformer 15 is arranged inside the shell 11, a cavity 12 is arranged inside the shell 11, rectangular through grooves 13 which are distributed at equal intervals are formed in the inner side wall of the shell 11, the rectangular through grooves 13 are communicated with the cavity 12, silencing cotton 14 is bonded on the inner wall of the cavity 12, two supporting plates 16 are symmetrically and fixedly connected to the bottom of the transformer 15, and two buffering components 17 are symmetrically and fixedly connected to the lower surfaces of the supporting plates 16;

the buffer assembly 17 comprises an I-shaped steel 18, an opening channel steel 19, a first rubber pad 20 and a second rubber pad 21;

two I-shaped steels 18 are symmetrically and fixedly connected to the lower surface of the supporting plate 16, two opening channel steels 19 are symmetrically welded to the inner side wall of the shell 11, the lower portions of the I-shaped steels 18 are located inside the opening channel steels 19, first rubber pads 20 are bonded to the lower surfaces of the I-shaped steels 18 and the inner bottom walls of the opening channel steels 19, and second rubber pads 21 are bonded to the upper surfaces of the opening channel steels 19.

In this embodiment, specifically: a gap is reserved between the second rubber pad 21 and the inner upper wall of the I-shaped steel 18.

In this embodiment, specifically: a first through groove 31 is formed in the upper surface of the shell 11, a fan 32 is fixedly connected to the inner side wall of the first through groove 31, and two ventilation openings 33 are symmetrically formed in two sides of the shell 11; the first through groove 31, the fan 32 and the ventilation opening 33 are arranged to dissipate heat inside the device, so that the normal operation of the transformer 15 is ensured.

In this embodiment, specifically: the inside of the ventilation opening 33 is fixedly connected with a separation net 41; the arrangement of the screen 41 can prevent external foreign matters from entering the inside of the device through the vent 33.

In this embodiment, specifically: a smoke alarm 51 is mounted on the inner top wall of the shell 11; the smoke alarm 51 is arranged to give an alarm when a fire breaks out in the device, thereby reducing property loss.

The utility model discloses a theory of operation: vibration and noise can occur in the working process of the transformer 15, noise is transmitted in the shell 11 in a wave form, the sound enters the cavity 12 through the rectangular through groove 13, noise reduction is achieved, the transformer 15 drives the supporting plate 16 and the I-steel 18 to vibrate, the first rubber pad 20 buffers the vibration, after long-time use, when the vibration amplitude is increased or the buffering performance of the first rubber pad 20 is reduced, the inner upper wall of the I-steel 18 is in contact with the second rubber pad 21, the vibration is buffered, and normal work of the buffering assembly 17 is finally guaranteed.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A dry-type transformer with noise reduction and buffering functions comprises a shell (11), wherein a transformer (15) is arranged inside the shell (11), and the dry-type transformer is characterized in that: a cavity (12) is formed in the shell (11), rectangular through grooves (13) which are distributed at equal intervals are formed in the inner side wall of the shell (11), the rectangular through grooves (13) are communicated with the cavity (12), silencing cotton (14) is bonded on the inner wall of the cavity (12), two supporting plates (16) are symmetrically and fixedly connected to the bottom of the transformer (15), and two buffer assemblies (17) are symmetrically and fixedly connected to the lower surfaces of the supporting plates (16);

the buffer assembly (17) comprises an I-shaped steel (18), an opening channel steel (19), a first rubber pad (20) and a second rubber pad (21);

two I-steel (18) of lower surface symmetry fixedly connected with of fagging (16), the inside wall symmetry welding of casing (11) has two opening channel-section steels (19), the lower part of I-steel (18) is located the inside of opening channel-section steel (19), the lower surface of I-steel (18) with the inside diapire of opening channel-section steel (19) bonds and has first rubber pad (20), the upper surface bonding of opening channel-section steel (19) has second rubber pad (21).

2. A dry-type transformer with noise reduction and buffering functions as claimed in claim 1, wherein: and a gap is reserved between the second rubber pad (21) and the inner upper wall of the I-shaped steel (18).

3. A dry-type transformer with noise reduction and buffering functions as claimed in claim 1, wherein: first logical groove (31) have been seted up to the upper surface of casing (11), the inside wall fixedly connected with fan (32) of first logical groove (31), two vents (33) have been seted up to the bilateral symmetry of casing (11).

4. A dry-type transformer with noise reduction and buffering functions as claimed in claim 3, wherein: the inside of the ventilation opening (33) is fixedly connected with a separation net (41).

5. A dry-type transformer with noise reduction and buffering functions as claimed in claim 1, wherein: a smoke alarm (51) is mounted on the inner top wall of the shell (11).