CN210032173U - Be applied to anechoic board of transformer substation - Google Patents
Be applied to anechoic board of transformer substation Download PDFInfo
- Publication number
- CN210032173U CN210032173U CN201920678153.XU CN201920678153U CN210032173U CN 210032173 U CN210032173 U CN 210032173U CN 201920678153 U CN201920678153 U CN 201920678153U CN 210032173 U CN210032173 U CN 210032173U
- Authority
- CN
- China
- Prior art keywords
- sound
- layer
- absorption layer
- sound absorption
- transformer substation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The embodiment of the utility model discloses a muffler plate applied to a transformer substation, which comprises an outer frame and a muffler part, wherein the muffler part is arranged at the inner side of the outer frame, and the outer edge of the muffler part is attached to the inner edge of the outer frame; a gap is arranged between the first sound absorbing layer and the second sound absorbing layer to form a first sound eliminating layer, and a gap is arranged between the second sound absorbing layer and the sound reflecting layer to form a second sound eliminating layer; and a plurality of rows of bulges are uniformly arranged on the outer surface of the first sound absorption layer, and each row of bulges are distributed along the length direction of the outer surface of the first sound absorption layer. The embodiment of the utility model provides a be applied to anechoic board of transformer substation, structural design is reasonable, and the noise takes place the multiple reflection through this anechoic board, and the sound wave through the reflection can produce the effect that the energy was offset each other because of the amplitude overlaps to eliminate the sound wave widely, and then can carry out high-efficient absorption to the noise of transformer substation.
Description
Technical Field
The embodiment of the utility model provides a transformer substation noise elimination equipment technical field, concretely relates to be applied to anechoic board of transformer substation.
Background
The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system. With the rapid increase of the electric load, the capacity of the transformer substation is continuously expanded and increased.
Because the noise that the transformer substation produced at the during operation is very big to the noise is continuous, and twenty-four hours is incessant, this has led to the transformer substation all ring edge borders to be in under the noise of transformer substation for a long time, and then leads to the noise to influence the people daily life around the transformer substation greatly easily.
At present, the silencing structure of the transformer substation is complex, and the silencing effect is poor.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a be applied to acoustical panel of transformer substation to solve among the prior art because the relatively poor problem of noise cancelling effect of the amortization structure of transformer substation.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
the embodiment of the utility model provides a muffler plate applied to transformer substation, it includes outline frame and noise elimination portion, the noise elimination portion is installed in the inboard of outline frame, and the outward flange of noise elimination portion and the inward flange laminating of outline frame;
the sound attenuation part sequentially comprises a first sound absorption layer, a second sound absorption layer and a sound reflection layer from inside to outside, a gap is formed between the first sound absorption layer and the second sound absorption layer to form a first sound attenuation layer, and a gap is formed between the second sound absorption layer and the sound reflection layer to form a second sound attenuation layer;
a plurality of rows of bulges are uniformly arranged on the outer surface of the first sound absorption layer, and each row of bulges are distributed along the length direction of the outer surface of the first sound absorption layer;
and the first sound absorption layer and the second sound absorption layer are provided with a plurality of through holes for sound attenuation.
Preferably, a groove is formed in the middle of the inner surface of the outer frame, and the outer edge of the second sound absorption layer is embedded in the groove.
Preferably, the outer surface of the second sound absorbing layer is an arc surface protruding towards the first sound absorbing layer, and the outer surface of the second sound absorbing layer is an arc surface protruding towards the second sound absorbing layer.
Preferably, the inner surface of the sound reflection layer is shaped as a smooth jagged surface.
Preferably, the first sound absorption layer and the second sound absorption layer are both made of glass sound absorption cotton.
Preferably, the sound reflection layer is made of hard plastics.
The embodiment of the utility model provides a have following advantage:
the embodiment of the utility model provides a be applied to anechoic board of transformer substation, first sound absorption layer absorbs the noise of transformer substation, the noise that does not absorb gets into second sound absorption layer after passing first noise elimination layer by the sound absorption once more, the noise that does not absorb for the second time is absorbed by second sound absorption layer or even first sound absorption layer after passing the reflection on sound reflection layer behind the first noise elimination layer, at the in-process of reflection, the effect that takes place energy and offset each other is overlapped through the amplitude of reflected sound wave and the amplitude of original sound wave, thereby eliminate the sound wave widely, and then can carry out high-efficient absorption to the noise of transformer substation.
In addition, the sound wave reflecting surface of the first sound absorbing layer is uneven due to the multiple rows of bulges uniformly arranged on the outer surface of the first sound absorbing layer, so that the sound reflecting effect is enhanced, and the sound rising and silencing effect of the sound eliminating plate applied to the transformer substation is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural diagram of an acoustic board applied to a transformer substation provided in embodiment 1 of the present invention;
fig. 2 is an inside front view of an acoustic panel applied to a transformer substation provided in embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of an acoustic board applied to a transformer substation provided in embodiment 2 of the present invention;
in the figure: 1-outer frame, 2-silencing part, 21-first sound absorption layer, 2101-bulge, 22-second sound absorption layer, 23-sound reflection layer, 24-first silencing layer, 25-second silencing layer and 3-outer protection plate.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 and 2, and fig. 2 is a left side view of fig. 1, the present embodiment provides a sound-deadening plate applied to a substation, which includes an outer frame 1 and a sound-deadening portion 2, wherein the sound-deadening portion 2 is installed inside the outer frame 1, and an outer edge of the sound-deadening portion 2 is attached to an inner edge of the outer frame 1. The outer frame 1 seals and fixes the edge of the sound-deadening portion 2.
Specifically, the sound attenuation portion 2 sequentially includes a first sound absorption layer 21, a second sound absorption layer 22, and a sound reflection layer 23 from inside to outside, a gap is provided between the first sound absorption layer 21 and the second sound absorption layer 22 to form a first sound attenuation layer 24, and a gap is provided between the second sound absorption layer 22 and the sound reflection layer 23 to form a second sound attenuation layer 25.
In the embodiment, the first sound absorption layer 21 absorbs the noise of the substation, the unabsorbed noise passes through the first sound absorption layer 24 and enters the second sound absorption layer 22 to be absorbed again, the unabsorbed noise passes through the first sound absorption layer 24 and is reflected by the sound reflection layer 23 to be absorbed by the second sound absorption layer 22 and even the first sound absorption layer 21, and in the reflection process, the amplitude of the reflected sound wave is overlapped with the amplitude of the original sound wave to generate the effect of mutual energy cancellation, so that the sound wave is greatly eliminated, and the noise of the substation can be efficiently absorbed.
More specifically, a plurality of rows of protrusions 2101 are uniformly arranged on the outer surface of the first sound absorbing layer 21, and each row of protrusions 2101 is distributed along the length direction of the outer surface of the first sound absorbing layer 21; the first sound absorbing layer 21 and the second sound absorbing layer 22 are provided with a plurality of through holes for sound attenuation. The multiple rows of protrusions 2101 uniformly arranged on the outer surface of the first sound absorption layer 21 make the sound wave reflection surface of the first sound absorption layer 21 uneven, so that the reflection effect of audio is enhanced, and the sound rising and silencing effect of the sound attenuation plate applied to the transformer substation is further improved.
Preferably, a groove is provided in the middle of the inner surface of the outer frame 1, and the outer edge of the second sound-absorbing layer 22 is embedded in the groove. The grooves of the inner surface of the outer frame 1 help to limit and fix the second sound-absorbing layer 22, thereby greatly improving the installation efficiency of the second sound-absorbing layer 22.
Further preferably, the outer surface of the second sound absorbing layer 22 is an arc surface protruding toward the first sound absorbing layer 24, and the outer surface of the second sound absorbing layer 22 is an arc surface protruding toward the second sound absorbing layer 25. The second sound absorption layer 22 with the cambered inner surface and the cambered outer surface is beneficial to reflecting and diffusing noise when the noise passes through the second sound absorption layer 22, so that the reflection effect of audio frequency is well enhanced, and the sound increasing and reducing effect of the sound reducing plate applied to the transformer substation is further improved. It should be noted that the sound waves are reflected by the noise sound reflection layer 23, pass through the second sound attenuation layer 25, and are emitted from the outer surface of the second sound absorption layer 22, and the amplitudes of the reflected sound waves and the amplitudes of the original sound waves are overlapped to generate an energy cancelling effect, thereby greatly canceling the sound waves.
In the present embodiment, the shape of the inner surface of the sound reflection layer 23 is a smooth jagged surface, which greatly improves the reflection efficiency of noise and causes the energy of sound waves to cancel each other due to the overlapping of amplitudes, thereby well canceling the sound waves.
Preferably, the first sound absorbing layer 21 and the second sound absorbing layer 22 are both made of glass sound absorbing cotton, so that the sound attenuation effect of the first sound absorbing layer 21 and the second sound absorbing layer 22 is good.
Further preferably, the material of the sound reflection layer 23 is hard plastic, which makes the reflection efficiency of the inner surface of the sound wave sound reflection layer 23, which is not necessarily absorbed, higher and better.
The muffler plate that is applied to transformer substation that this embodiment provided can the internal surface at the transformer substation wall body by the snap-on, and the internal surface of the tight wall body of surface subsides of sound reflection stratum 23, this muffler plate's that is applied to transformer substation simple structure, and the noise that the transformer substation produced can be by very big absorption through noise damping portion 2 moreover to the noise cancelling effect of transformer substation has been guaranteed well, provides better low noise environment for the periphery of transformer substation.
In conclusion, the sound-absorbing board applied to the transformer substation is reasonable in structural design, noise is reflected for multiple times through the sound-absorbing board, and reflected sound waves generate mutual energy offsetting effect due to amplitude overlapping, so that the sound waves are greatly eliminated, and the noise of the transformer substation can be efficiently absorbed.
Example 2
The present embodiment provides another sound-absorbing panel applied to a substation, and the same parts as those in embodiment 1 are not described herein again, and only different parts are described below.
As shown in fig. 3, the outer surface of the sound reflection layer 23 is covered with the outer protection plate 3, wherein the outer protection plate 3 may be made of a galvanized sheet, the outer frame 1 may be made of a galvanized sheet, and the outer protection plate 3 and the outer frame 1 can better protect the muffling portion 2, so that the muffling effect of the muffling portion 2 is well ensured.
In this embodiment, the noise elimination plate applied to the transformer substation is reasonable in structural design, noise is reflected for multiple times through the noise elimination plate, and reflected sound waves generate mutual energy cancellation effect due to amplitude overlapping, so that the sound waves are greatly eliminated, and the noise of the transformer substation can be efficiently absorbed.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. The silencing plate applied to the transformer substation is characterized by comprising an outer frame (1) and a silencing part (2), wherein the silencing part (2) is installed on the inner side of the outer frame (1), and the outer edge of the silencing part (2) is attached to the inner edge of the outer frame (1);
the silencing part (2) sequentially comprises a first sound absorption layer (21), a second sound absorption layer (22) and a sound reflection layer (23) from inside to outside, a gap is formed between the first sound absorption layer (21) and the second sound absorption layer (22) to form a first silencing layer (24), and a gap is formed between the second sound absorption layer (22) and the sound reflection layer (23) to form a second silencing layer (25);
a plurality of rows of protrusions (2101) are uniformly arranged on the outer surface of the first sound absorption layer (21), and each row of protrusions (2101) is distributed along the length direction of the outer surface of the first sound absorption layer (21);
the first sound absorption layer (21) and the second sound absorption layer (22) are provided with a plurality of through holes for sound attenuation.
2. Anechoic board for substation application according to claim 1, characterized in that a groove is provided in the middle of the inner surface of the outer rim (1), in which groove the outer edge of the second sound-absorbing layer (22) is embedded.
3. The anechoic board applied to a substation according to claim 2, wherein the outer surface of the second sound-absorbing layer (22) is an arc surface protruding toward the first anechoic layer (24), and the outer surface of the second sound-absorbing layer (22) is an arc surface protruding toward the second anechoic layer (25).
4. Anechoic board for substation application according to claim 1, characterized in that the inner surface of the sound reflecting layer (23) is shaped as a smooth jagged surface.
5. The anechoic board for substation application according to claim 1, wherein said first (21) and second (22) sound-absorbing layers are both glass sound-absorbing cotton.
6. Anechoic board for substations according to claim 1, characterized in that the material of the sound-reflecting layer (23) is rigid plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920678153.XU CN210032173U (en) | 2019-05-13 | 2019-05-13 | Be applied to anechoic board of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920678153.XU CN210032173U (en) | 2019-05-13 | 2019-05-13 | Be applied to anechoic board of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210032173U true CN210032173U (en) | 2020-02-07 |
Family
ID=69364833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920678153.XU Active CN210032173U (en) | 2019-05-13 | 2019-05-13 | Be applied to anechoic board of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210032173U (en) |
-
2019
- 2019-05-13 CN CN201920678153.XU patent/CN210032173U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203910264U (en) | Household appliance composite sound insulating plate and dish washing machine having same | |
| CN210032173U (en) | Be applied to anechoic board of transformer substation | |
| CN101845855A (en) | Combined type electromagnetic shielding and sound absorbing module | |
| CN207314568U (en) | A kind of efficiently middle low frequency absorption mechanism of substation | |
| CN210068429U (en) | Noise-reduction type air compressor case | |
| CN105275782A (en) | Noise control device for air conditioner compressor | |
| CN204323242U (en) | A kind of power supply compartment air inlet/outlet passage sound arrester | |
| CN209743255U (en) | Range hood wind cabinet and range hood | |
| CN210246506U (en) | Permanent magnet motor with noise reduction function | |
| CN201730231U (en) | Compound electromagnetic shielding and noise-absorbing module | |
| CN105575379A (en) | Muffler chamber and muffler used therefor | |
| CN205334956U (en) | Impedance compound acoustical panel in hole that declines | |
| CN217107595U (en) | Noise reduction foam for limiting sound wave transmission and fan assembly | |
| CN114622975A (en) | Titanium automobile exhaust funnel | |
| CN210565370U (en) | Fan sound-proof housing | |
| CN219370617U (en) | Porous full-frequency sound-absorbing inserting piece capable of being detached by airing | |
| CN220815200U (en) | Low-noise sound absorption device of transformer substation | |
| CN212021840U (en) | Automotive interior sound insulation composite honeycomb panel | |
| WO2015109761A1 (en) | Medium-and-low-frequency light-and-thin sound insulation and absorption panel, and composite wallboard thereof | |
| CN216841940U (en) | Acoustical panel convenient to installation sound absorbing material | |
| CN112049774B (en) | Compressor noise reduction device and method | |
| CN210532659U (en) | Static pressure box | |
| CN213213838U (en) | High-fidelity sound box with standing wave eliminating structure | |
| CN215762473U (en) | Silencer | |
| CN220896432U (en) | Noise reduction shell cover and power equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |