CN219800641U - Noise reduction type transformer - Google Patents

Noise reduction type transformer Download PDF

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Publication number
CN219800641U
CN219800641U CN202321233209.3U CN202321233209U CN219800641U CN 219800641 U CN219800641 U CN 219800641U CN 202321233209 U CN202321233209 U CN 202321233209U CN 219800641 U CN219800641 U CN 219800641U
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China
Prior art keywords
sound
diffusion
absorbing cotton
hollowed
base
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Active
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CN202321233209.3U
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Chinese (zh)
Inventor
李�杰
黄红生
任启立
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JIANGSU HONGAN TRANSFORMER CO Ltd
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JIANGSU HONGAN TRANSFORMER CO Ltd
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Abstract

The utility model discloses a noise reduction type transformer, belongs to the technical field of transformers, and aims to solve the technical problems that in the prior art, a transformer is surrounded by four sound insulation plates, heat dissipation is realized only by virtue of heat dissipation windows formed in the sound insulation plates, the heat dissipation performance is insufficient, and meanwhile, low-frequency noise generated by the operation of the transformer can still be diffused through the heat dissipation windows, so that the noise reduction effect of the transformer is reduced. The noise reduction type transformer comprises a base, wherein a cover body is arranged at the top of the base, and a transformer main body is arranged in the cover body; the cover body comprises a base layer, a sound-absorbing cotton layer and a hollowed-out plate, wherein the base layer is covered on the transformer main body in a surrounding rectangular structure, the sound-absorbing cotton layer is attached to the outer surface of the base layer, the hollowed-out plate is arranged around the sound-absorbing cotton layer and forms a rectangular outer shell, and a buffer interlayer is arranged between the hollowed-out plate and the sound-absorbing cotton layer; a plurality of diffusion holes are formed in the base layer, the diffusion holes are uniformly distributed, and diffusion channels are formed in the positions, close to the diffusion holes, of the sound absorption cotton layer.

Description

Noise reduction type transformer
Technical Field
The utility model belongs to the technical field of transformers, and particularly relates to a noise reduction type transformer.
Background
The box-type transformer is designed in a box-type shell in a concentrated manner, has the advantages of small size, light weight, low loss, high reliability and the like, is widely applied to places such as residential communities, commercial centers, light stations, airports, factories and mines, enterprises, hospitals and schools, and can generate the problems of vibration, noise, material fatigue and the like in the working process, on one hand, the problems can reduce the performance of equipment, destroy the stability and the reliability of the equipment operation, and possibly cause safety accidents in serious cases, particularly, the transformer can generate low-frequency noise with larger harm in the operation process, the low-frequency noise can generate chronic damage to human bodies, is easy to cause dysphoria and irritability, sometimes even loses wisdom, and can also cause nervous system diseases such as neurasthenia, insomnia and the like if the equipment is disturbed by the low-frequency noise for a long time.
The utility model patent with application number 202021859467.9 discloses a noise reduction box-type transformer, which comprises a plug seat, plug seat top fixedly connected with acoustic celotex board, acoustic celotex board top fixedly connected with top cap, the fan thermal window has all been seted up to the acoustic celotex board outer wall all around, the inside transformer tank that is provided with of acoustic celotex board, transformer tank top fixedly connected with protective cover, the acoustic celotex board is provided with four, adjacent fixedly connected with turns to the connecting piece between the acoustic celotex board, plug seat medial surface fixedly connected with connecting plate, logical groove has been seted up to the connecting plate other end, it has fixed cone to lead to the inside penetration of groove. This technical scheme adopts nimble fixed mode, carries out quick connect with adjacent acoustic celotex board, makes things convenient for the two to turn to and connects to improve its stable effect and wholeness, not only play good noise reduction effect, have good protective properties simultaneously, improve the life of vary voltage case. However, in practical application, the applicant finds that in the above prior art, the transformer is surrounded by four sound insulation plates, and the transformer only depends on the radiating windows formed on the sound insulation plates to realize heat dissipation, so that the problem of insufficient heat dissipation performance exists, and meanwhile, the low-frequency noise generated by the operation of the transformer can still diffuse through the radiating windows, so that the noise reduction effect on the transformer is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a noise reduction type transformer, and aims to solve the technical problems that the transformer is surrounded by four sound insulation plates in the prior art, heat dissipation is realized only by virtue of heat dissipation windows formed in the sound insulation plates, the heat dissipation performance is insufficient, and meanwhile, low-frequency noise generated by the operation of the transformer can still be diffused through the heat dissipation windows, so that the noise reduction effect on the transformer is reduced.
Technical proposal
In order to solve the technical problems, the utility model provides a noise reduction type transformer, which comprises a base, wherein a cover body is arranged at the top of the base, and a transformer main body is arranged in the cover body;
the cover body comprises a base layer, a sound-absorbing cotton layer and a hollowed-out plate, wherein the base layer is enclosed into a rectangular structure and covered on the transformer main body, the sound-absorbing cotton layer is attached to the outer surface of the base layer, the hollowed-out plate is enclosed into the sound-absorbing cotton layer and forms a rectangular outer shell, and a buffer interlayer is arranged between the hollowed-out plate and the sound-absorbing cotton layer;
the base layer is provided with a plurality of diffusion holes, the diffusion holes are uniformly distributed, the position of the sound-absorbing cotton layer close to the diffusion holes is provided with a diffusion channel, the diffusion channel is in an arc-shaped structure and is communicated with the diffusion holes, the position of the inner surface of the hollowed-out plate corresponding to the diffusion channel is provided with a sound-absorbing cotton block, and one side of the sound-absorbing cotton block, facing the diffusion channel, is in arc-shaped bending.
Furthermore, each diffusion hole is communicated with two diffusion channels, and the two diffusion channels are symmetrical by taking the diffusion holes as axes.
Further, the diffusion channel is located in the covering range of the sound-absorbing cotton block.
Further, the arched surface of the sound-absorbing cotton block is provided with a connecting seat, and the connecting seat is connected with the hollowed-out plate.
Further, a filter screen is attached to the inner surface of the hollowed-out plate.
Further, the rubber block is inlaid on the upper surface of the base, the transformer main body is arranged on the rubber block, a plurality of shrinkage holes and a plurality of compression channels are horizontally formed in the rubber block, the compression channels are communicated with the shrinkage holes, and two ends of the compression channels are bent and extend to the upper surface of the rubber block.
Further, the corner of the rubber block is vertically penetrated with a support column fixedly connected with the base, and the top end of the support column is horizontally fixed with a protection plate.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the transformer main body can be covered by the cover body formed by the base layer, the sound-absorbing cotton layer and the hollowed-out plate, wherein heat and noise generated by the operation of the transformer main body can be diffused by the plurality of diffusion holes and then are primarily dispersed by the diffusion channel with the arc structure, the sound-absorbing cotton layer is used for primarily absorbing sound in the dispersing process, so that the noise is reduced, the noise and the heat are transmitted into the buffer interlayer by the diffusion channel, the sound-absorbing cotton block covered at the diffusion channel is used for further absorbing the sound and secondarily reducing the noise, and the heat is dispersed by the hollowed-out plate by the buffer interlayer.
According to the utility model, the transformer main body is arranged on the rubber block, the rubber block changes the original solid foundation of the base to the transformer main body into the flexible foundation of the base to the transformer main body, and in the running process of the transformer main body, the rubber block can play a role in vibration isolation, so that the transmission of vibration in the running process of the transformer main body is slowed down, the mechanical extrusion between the transformer main body and the base is avoided, and the transformer main body is protected.
According to the utility model, the shrinkage hole and the compression channel formed in the rubber block have compression and decompression effects, so that the rubber block has buffer performance, the vibration isolation effect on the transformer main body can be improved, and the protection on the transformer main body is enhanced.
Description of the drawings:
in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is an enlarged view of the utility model at A in FIG. 2;
fig. 4 is an enlarged view of the utility model at B in fig. 2.
The marks in the drawings are: 1. a base; 2. a cover body; 3. a top plate; 4. a first ear plate; 5. a second ear plate; 6. a transformer body; 7. a rubber block; 8. a shrinkage cavity; 9. a compression channel; 10. a support post; 11. a protection plate; 12. a base layer; 13. a sound absorbing cotton layer; 14. a hollowed-out plate; 15. a buffer interlayer; 16. a filter screen; 17. diffusion holes; 18. a diffusion channel; 19. a sound absorbing cotton block; 20. a connecting seat; 21. and a ring seat.
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.
The embodiment provides a noise reduction type transformer, the structure of which is shown in fig. 1-4, and the noise reduction type transformer comprises a base 1, wherein a cover body 2 is arranged at the top of the base 1, and a transformer main body 6 is arranged in the cover body 2; wherein, base 1 both ends bottom all is provided with second otic placode 5, has seted up the mounting hole on the second otic placode 5 for base 1's installation is fixed.
In this embodiment, the cover 2 includes a base layer 12, a sound-absorbing cotton layer 13 and a hollow board 14, the base layer 12 is covered on the transformer main body 6 around the rectangular structure, as an inner protective shell of the transformer main body 6, the sound-absorbing cotton layer 13 is attached to the outer surface of the base layer 12, the sound-absorbing cotton layer 13 is specifically an artificial inorganic fiber, is made of an existing material and has a sound-absorbing function, the hollow board 14 is arranged around the sound-absorbing cotton layer 13 and forms a rectangular outer shell, and a buffer interlayer 15 is provided between the hollow board 14 and the sound-absorbing cotton layer 13; utilize the inside and outside protective housing that basic unit 12 and fretwork board 14 formed, can provide protection and installation space for transformer main part 6, wherein, basic unit 12 bottom is provided with circle seat 21, can supply fretwork board 14 installation fixed, and the one side of circle seat 21 towards outside is provided with first otic placode 4, and first otic placode 4 and base 1 bolted connection for inside and outside protective housing and base 1 installation are fixed.
As a preferred technical scheme in this embodiment, a plurality of diffusion holes 17 are formed in the base layer 12, the diffusion holes 17 are uniformly distributed, diffusion channels 18 are formed in positions, close to the diffusion holes 17, of the sound-absorbing cotton layer 13, the diffusion channels 18 are in an arc-shaped structure and are communicated with the diffusion holes 17, sound-absorbing cotton blocks 19 are arranged in positions, corresponding to the diffusion channels 18, of the inner surfaces of the hollowed-out plates 14, the sound-absorbing cotton blocks 19 and the sound-absorbing cotton layers 13 are made of the same material, one side, facing the diffusion channels 18, of the sound-absorbing cotton blocks 19 is curved in an arc shape, through the technical scheme, heat and noise generated by operation of the transformer main body 6 can be diffused through the diffusion holes 17, then are primarily dispersed through the diffusion channels 18 in an arc structure, the sound-absorbing cotton layers 13 are primarily absorbed in a dispersing process, noise is reduced, then the noise and the heat are transferred into the buffer interlayer 15 through the diffusion channels 18, the sound-absorbing cotton blocks 19 covered at the positions of the diffusion channels 18 are further absorbed, the noise is secondarily reduced, the heat is discharged through the hollowed-out plates 14 through the buffer interlayer 15, and the purposes of quickly dispersing the heat generated in the operation of the transformer main body 6 are achieved.
In this embodiment, each diffusion hole 17 is communicated with two diffusion channels 18, and the two diffusion channels 18 are symmetrical with the diffusion holes 17 as axes, which is beneficial to heat and noise evacuation, simulates a silencing structure, and has an effect of reducing noise. The diffusion channel 18 is located in the covering range of the sound-absorbing cotton block 19, and after the noise is dispersed through the diffusion channel 18, the noise can be absorbed by the sound-absorbing cotton block 19 for the first time to reduce the noise. Further, the arched surface of the sound-absorbing cotton block 19 is provided with a connecting seat 20, and the connecting seat 20 is connected with the hollowed-out plate 14, so that the installation and the fixation of the sound-absorbing cotton block 19 are facilitated.
Further, the filter screen 16 is attached to the inner surface of the hollowed-out plate 14, the filter screen 16 can play a role in dust isolation, and external dust is prevented from entering the buffer interlayer 15 through the hollowed-out plate 14, wherein the top plate 3 is horizontally fixed to the top of the outer shell formed by the hollowed-out plate 14, a hole is formed between the top plate 3 and the top of the hollowed-out plate 14, dust accumulation at the top of the hollowed-out plate 14 can be avoided as much as possible, and the protection effect is achieved. Further, the corner of the rubber block 7 is vertically penetrated with a pillar 10 fixedly connected with the base 1, and the top end of the pillar 10 is horizontally fixed with a protection plate 11, so that the protection effect on the top of the transformer main body 6 is achieved.
As a preferable technical scheme in the embodiment, the rubber block 7 is embedded on the upper surface of the base 1, the transformer main body 6 is arranged on the rubber block 7, the rubber block 7 changes the original solid foundation of the base 1 to the transformer main body 6 into the flexible foundation of the base 1 to the transformer main body 6, and the rubber block 7 can play a role in vibration isolation in the operation process of the transformer main body 6, so that the transmission of vibration in the operation process of the transformer main body 6 is slowed down, the mechanical extrusion between the transformer main body 6 and the base 1 is avoided, and the protection effect on the transformer main body 6 is realized. Wherein, a plurality of shrinkage cavities 8 and multichannel compression passageway 9 have been seted up to the level in the rubber piece 7, and compression passageway 9 communicates a plurality of shrinkage cavities 8, and the both ends bending extension of compression passageway 9 reaches rubber piece 7 upper surface, and shrinkage cavity 8 makes rubber piece 7 have the compression effect, and compression passageway 9 plays the effect of pressure release, can make rubber piece 7 have good cushioning nature, improves the vibration isolation effect to transformer main part 6.
Working principle:
when the transformer is used, the transformer main body 6 is arranged on the rubber block 7, the rubber block 7 changes the original solid foundation of the base 1 to the transformer main body 6 into the flexible foundation of the base 1 to the transformer main body 6, the rubber block 7 can play a role in vibration isolation in the operation process of the transformer main body 6, the transmission of vibration in the operation process of the transformer main body 6 is slowed down, the mechanical extrusion between the transformer main body 6 and the base 1 is avoided, and meanwhile, the shrinkage hole 8 and the compression channel 9 arranged in the rubber block 7 have compression and decompression effects, so that the rubber block 7 has buffer performance and vibration isolation effect are improved. Further, heat and noise generated by the operation of the transformer main body 6 can be diffused by the plurality of diffusion holes 17, then the diffusion channels 18 with circular arc structures are used for preliminary evacuation, the sound absorption cotton layer 13 is used for preliminary sound absorption in the evacuation process, noise is reduced, then the noise and heat are transmitted into the buffer interlayer 15 through the diffusion channels 18, the sound absorption cotton block 19 covered at the diffusion channels 18 is used for further sound absorption, the noise is further reduced, the heat is evacuated through the buffer interlayer 15 and discharged from the hollowed-out plate 14, and the structure mode not only realizes the rapid dissipation of the heat generated by the operation of the transformer main body 6, but also achieves the purpose of noise reduction, and the multiple noise reduction treatment mode has better noise reduction effect.
All technical features in the embodiment can be freely combined according to actual needs.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a type of making an uproar transformer falls, includes base (1), base (1) top is provided with the cover body (2), installs transformer main part (6), its characterized in that in the cover body (2):
the cover body (2) comprises a base layer (12), a sound-absorbing cotton layer (13) and a hollowed-out plate (14), wherein the base layer (12) is covered on the transformer main body (6) in a surrounding manner to form a rectangular structure, the sound-absorbing cotton layer (13) is attached to the outer surface of the base layer (12), the hollowed-out plate (14) is arranged around the sound-absorbing cotton layer (13) and forms a rectangular outer shell, and a buffer interlayer (15) is arranged between the hollowed-out plate (14) and the sound-absorbing cotton layer (13);
the base layer (12) is provided with a plurality of diffusion holes (17), the diffusion holes (17) are uniformly distributed, the position of the sound-absorbing cotton layer (13) close to the diffusion holes (17) is provided with a diffusion channel (18), the diffusion channel (18) is in an arc-shaped structure and is communicated with the diffusion holes (17), the position of the inner surface of the hollowed-out plate (14) corresponding to the diffusion channel (18) is provided with a sound-absorbing cotton block (19), and the sound-absorbing cotton block (19) is bent in an arc shape towards one side of the diffusion channel (18).
2. A noise reduction type transformer according to claim 1, wherein each diffusion hole (17) is connected to two diffusion channels (18), and the two diffusion channels (18) are symmetrical with the diffusion hole (17) as an axis.
3. A noise-reducing transformer according to claim 2, characterized in that the diffusion channel (18) is located within the housing of the sound-absorbing cotton block (19).
4. A noise reduction type transformer according to claim 1, characterized in that the arched surface of the sound absorbing cotton block (19) is provided with a connecting seat (20), and the connecting seat (20) is connected with the hollowed-out board (14).
5. The noise reduction type transformer according to claim 1, wherein a filter screen (16) is attached to the inner surface of the hollowed-out plate (14).
6. The noise reduction type transformer according to claim 1, wherein a rubber block (7) is inlaid on the upper surface of the base (1), the transformer main body (6) is mounted on the rubber block (7), a plurality of shrinkage holes (8) and a plurality of compression channels (9) are horizontally formed in the rubber block (7), the compression channels (9) are communicated with the shrinkage holes (8), and two ends of the compression channels (9) are bent and extend to the upper surface of the rubber block (7).
7. The noise reduction type transformer according to claim 6, wherein a pillar (10) fixedly connected with the base (1) is vertically arranged at the corner of the rubber block (7), and a protection plate (11) is horizontally fixed at the top end of the pillar (10).
CN202321233209.3U 2023-05-22 2023-05-22 Noise reduction type transformer Active CN219800641U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321233209.3U CN219800641U (en) 2023-05-22 2023-05-22 Noise reduction type transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321233209.3U CN219800641U (en) 2023-05-22 2023-05-22 Noise reduction type transformer

Publications (1)

Publication Number Publication Date
CN219800641U true CN219800641U (en) 2023-10-03

Family

ID=88176628

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321233209.3U Active CN219800641U (en) 2023-05-22 2023-05-22 Noise reduction type transformer

Country Status (1)

Country Link
CN (1) CN219800641U (en)

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