CN213070876U

CN213070876U - Noise reduction device of transformer

Info

Publication number: CN213070876U
Application number: CN202021788078.1U
Authority: CN
Inventors: 沈建国
Original assignee: Yunnan Yunta Power Engineering Co ltd
Current assignee: Yunnan Yunta Power Engineering Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-04-27
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a noise reduction device of a transformer, which comprises a cross arm, a silencing box body and an elastic connecting piece; the sound-muffling box body is formed by welding a bottom plate and surrounding enclosing plates into a cuboid shape, and a transformer accommodating chamber is formed inside the sound-muffling box body; the top end of the sound attenuation box body is detachably and fixedly connected with a top plate covering the transformer accommodating cavity; the bottom plate, the coaming and the top plate are all metal sound absorption pore plates; many elastic connection spare of fixedly connected with on the whistle box body, and many elastic connection spare's the other end all is connected to on the cross arm. On one hand, the device reduces the vibration of the transformer through the arrangement of the elastic connecting piece, thereby avoiding the resonance noise generated by the traditional transformer which is not installed in a suspension way but directly fixed and installed through the bottom foundation; on the other hand, the sound deadening box body and the top plate are both made of metal sound absorbing hole plates with sound deadening functions, so that the noise generated by the working of the transformer is silenced; the noise that transformer produced can effectively be reduced to dual amortization design, and noise reduction effect is better.

Description

Noise reduction device of transformer

Technical Field

The utility model relates to a technical field of the device of making an uproar falls in the transformer, in particular to device of making an uproar falls in transformer.

Background

With the development of economic technology in China, the power distribution network is also rapidly developed, along with the rapid increase of urban power consumption, more and more power distribution rooms are built in cities, and large-capacity transformers are continuously put in the cities. Meanwhile, the accompanying noise pollution of the power distribution room becomes a general problem affecting the quality of life of residents. The noise of the power distribution room mainly comes from the noise generated by the transformer during operation. How to effectively reduce the noise generated by the transformer in the power distribution room has been the focus and difficulty of the research of those skilled in the art.

The noise reduction device for the transformer in the prior art is poor in noise reduction effect and cannot well meet the requirements of people.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a device of making an uproar falls in transformer, the noise reduction effect is better.

In order to solve the technical problem, the utility model discloses a technical scheme does:

a noise reduction device of a transformer comprises a cross arm, a sound attenuation box body and an elastic connecting piece; the silencing box body is formed by welding a bottom plate and surrounding enclosing plates to form a cuboid shape, and a transformer accommodating chamber is formed inside the silencing box body; the top end of the sound attenuation box body is detachably and fixedly connected with a top plate used for covering the transformer accommodating cavity; the bottom plate, the coaming and the top plate are all metal sound absorption pore plates; a plurality of elastic connecting pieces are fixedly connected to the sound muffling box body, and the other ends of the elastic connecting pieces are connected to the cross arm.

Furthermore, four elastic connecting pieces are arranged and are respectively and fixedly connected to four corners of the top of the sound muffling box body.

Further, the elastic connecting piece is a damping spring.

Furthermore, multiple rows of silencing partition plates are fixedly connected to the end face, deviating from the transformer accommodating cavity, of the enclosing plate.

Furthermore, the multiple rows of the silencing partition plates are arranged at equal intervals.

Furthermore, the bottom end face of the top plate is provided with a bulge matched with the transformer accommodating cavity.

Furthermore, the number of the cross arms is two, and the two cross arms are arranged in parallel or in a crossed manner.

The utility model has the advantages that:

(1) when the utility model is used, the transformer is fixedly arranged in the sound-muffling box body, and then the sound-muffling box body is suspended and arranged in a power distribution room through the elastic connecting piece and the cross arm; the utility model discloses an aspect can reduce the vibrations of transformer through the setting of elastic connection spare to avoid traditional transformer not to hang the installation but directly through the resonance noise that bottom basis fixed mounting produced; on the other hand, the sound deadening box body and the top plate for fixedly mounting the transformer are both made of metal sound absorbing hole plates with sound deadening functions, and the metal sound absorbing hole plates can play a role in heat dissipation at the same time, so that noise generated by the operation of the transformer is silenced; through the above-mentioned dual amortization design, can effectively reduce the noise that the transformer produced, noise reduction effect is better.

(2) The utility model provides a various subassemblies all can be purchased from market, whole preparation low cost, and the installation is simple, also can not influenced to the conventional maintenance of transformer, therefore has great popularization prospect and value.

Drawings

Fig. 1 is a schematic structural view of a noise reducer of a transformer according to the present invention (a top plate is not shown in the figure);

fig. 2 is the utility model discloses in a device of making an uproar falls in transformer's roof structure schematic diagram.

In the figure, 1-cross arm, 2-sound reducing box body, 3-elastic connecting piece, 4-coaming, 5-transformer containing chamber, 6-top plate, 7-sound reducing partition plate and 8-bulge.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, a noise reduction device of a transformer comprises a cross arm 1, a sound muffling box body 2 and an elastic connecting piece 3; the sound muffling box body 2 is formed by welding a bottom plate and surrounding enclosing plates 4 into a cuboid shape, and a transformer accommodating chamber 5 is formed inside the sound muffling box body; the top end of the sound attenuation box body 2 is detachably and fixedly connected with a top plate 6 used for covering the transformer accommodating chamber 5; the bottom plate, the coaming 4 and the top plate 6 are all metal sound absorption pore plates; the metal sound absorption pore plate is designed in the prior art, not only has a good sound absorption effect, but also has a heat dissipation function due to the arrangement of the pores, and meanwhile, the metal sound absorption pore plate also has high structural strength; a plurality of elastic connecting pieces 3 are fixedly connected to the sound muffling box body 2, and the other ends of the elastic connecting pieces 3 are connected to the cross arm 1. Through the arrangement of the cross arm 1, the sound attenuation box body 2 and the elastic connecting piece 3, when the sound attenuation box is used, the transformer is fixedly arranged in the transformer accommodating cavity 5 and is covered with the top plate 6; then the sound attenuation box body 2 is hung and installed in a power distribution room through the elastic connecting piece 3 and the cross arm 1, and the hanging installation of the transformation is completed. The transformer can effectively avoid the resonance noise generated by the fixed installation of the bottom foundation instead of the traditional transformer through the suspended installation.

Specifically, four elastic connecting pieces 3 are provided, and four elastic connecting pieces 3 are respectively and fixedly connected to four corners at the top of the sound muffling box body 2.

Specifically, the elastic connecting piece 3 is a damping spring.

Specifically, in order to further improve the noise reduction and silencing effect, the coaming 4 deviates from the end face of the transformer accommodating chamber 5 and is fixedly connected with a plurality of rows of silencing partition plates 7. The sound-deadening partition 7 is made of a sound-deadening material such as glass fiber wool or the like.

Specifically, the multiple rows of the silencing partition plates 7 are arranged at equal intervals.

Specifically, a protrusion 8 matched with the transformer accommodating chamber 5 is arranged on the bottom end face of the top plate 6. The provision of the projections 8 allows the top plate to better cover the housing chamber 5, advantageously preventing the transmission of noise generated by the transformer.

Specifically, the number of the cross arms 1 is two, and the two cross arms 1 are arranged in parallel or in a crossed manner.

The utility model discloses a working process:

when the silencer is used, the transformer is fixedly arranged in the transformer accommodating cavity 5 in the silencer body 2, and then the silencer body 2 is arranged in a power distribution room in a hanging mode through the elastic connecting piece 3 and the cross arm 1; the utility model discloses an aspect can reduce the vibrations of transformer through the setting of elastic connection spare 3 to avoid traditional transformer not to hang the installation but directly through the resonance noise that bottom basis fixed mounting produced; on the other hand, the sound deadening box body 2 and the top plate 6 for fixedly mounting the transformer are both made of metal sound absorbing hole plates with sound deadening functions, and the metal sound absorbing hole plates can play a role in heat dissipation at the same time, so that noise generated by the operation of the transformer is silenced; through the above-mentioned dual amortization design, can effectively reduce the noise that the transformer produced, noise reduction effect is better.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a device of making an uproar falls in transformer which characterized in that: comprises a cross arm (1), a whistle box body (2) and an elastic connecting piece (3); the muffling box body (2) is formed by welding a bottom plate and surrounding enclosing plates (4) into a cuboid shape, and a transformer accommodating chamber (5) is formed inside the muffling box body; the top end of the sound-muffling box body (2) is detachably and fixedly connected with a top plate (6) used for covering the transformer accommodating chamber (5); the bottom plate, the coaming (4) and the top plate (6) are all metal sound absorption pore plates; the silencing box is characterized in that a plurality of elastic connecting pieces (3) are fixedly connected to the silencing box body (2), and the other ends of the elastic connecting pieces (3) are connected to the cross arm (1).

2. The noise reduction device for transformer according to claim 1, wherein: the four elastic connecting pieces (3) are respectively and fixedly connected to four corners of the top of the sound muffling box body (2).

3. The noise reduction device for transformer according to claim 2, wherein: the elastic connecting piece (3) is a damping spring.

4. The noise reduction device for transformer according to claim 3, wherein: and the end face of the coaming (4) departing from the transformer accommodating chamber (5) is fixedly connected with a plurality of rows of silencing partition plates (7).

5. The noise reduction device for transformer according to claim 4, wherein: the multiple rows of the silencing partition plates (7) are arranged at equal intervals.

6. The noise reduction device for transformer according to claim 1, wherein: and a bulge (8) matched with the transformer accommodating chamber (5) is arranged on the bottom end surface of the top plate (6).

7. The noise reduction device for transformer according to claim 1, wherein: the two cross arms (1) are arranged, and the two cross arms (1) are arranged in parallel or in a crossed manner.