CN215578141U - Noise reduction processing device for 110kV transformer - Google Patents
Noise reduction processing device for 110kV transformer Download PDFInfo
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- CN215578141U CN215578141U CN202120883786.1U CN202120883786U CN215578141U CN 215578141 U CN215578141 U CN 215578141U CN 202120883786 U CN202120883786 U CN 202120883786U CN 215578141 U CN215578141 U CN 215578141U
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- 230000002238 attenuated effect Effects 0.000 description 5
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- 238000000926 separation method Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
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Abstract
The utility model discloses a noise reduction processing device of a 110kV transformer, which belongs to the technical field of electric power engineering, and comprises a sound absorption mechanism arranged outside a radiator of the transformer, wherein the sound absorption mechanism comprises a first sound absorption plate, a second sound absorption plate and a sound absorption cover, the first sound absorption plate and the second sound absorption plate are arranged on the outer side of the radiator in parallel and are fixedly connected with the radiator through the same first connecting part, the sound absorption cover is fixedly connected to the outer side of the second sound absorption plate through a second connecting part, the inner side of an outer cover extends to the edge of the radiator and covers the first sound absorption plate and the second sound absorption plate, the first sound absorption plate comprises a sound absorption layer and a sound insulation layer, the second sound absorption plate comprises a sound insulation layer, the sound absorption layer is positioned on one side close to the radiator, and a plurality of sound transmission holes are arranged on the first sound absorption plate in a penetrating way, the noise energy is consumed by conducting and dispersing vibration and absorbing and reflecting the noise, and the noise can be fully reduced by 12-15 dB, the advantage of better noise reduction effect is achieved.
Description
Technical Field
The utility model relates to the technical field of power engineering, in particular to a noise reduction processing device for a 110kV transformer.
Background
In the prior art, a transformer generally comprises a transformer body and a radiator, wherein a corresponding power transformation device is installed inside the transformer body, heat inside the transformer body is dissipated through the radiator, the transformer is extremely easy to generate noise during working, and the noise is mainly conducted through a finned or corrugated radiator, which is not in line with the ever-increasing desire to be good for living environment of people.
To this end, those skilled in the relevant art have made improvements to this, for example, the "noise reduction structure for power transformer" proposed by chinese patent publication No. CN201576547U, is used for noise reduction of power transformer, the tank radiator of the transformer is a corrugated radiator or a finned radiator, and the noise reduction structure includes: and a sound absorbing cover arranged outside the radiator.
The noise reduction structure can achieve the effect of reducing the noise of the transformer by 8-10 dB, but the internal structure of the noise reduction structure still has certain improvement space in the aspects of reducing the conduction of vibration and absorbing the noise.
Based on the above, the utility model designs a noise reduction processing device for a 110kV transformer, so as to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a noise reduction processing device for a 110kV transformer, which aims to solve the technical problem.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a processing apparatus that makes an uproar falls in 110kV transformer, is including the outside sound mechanism of inhaling of the radiator of locating the transformer, it includes first abatvoix, second abatvoix and sound absorbing cover to inhale the sound mechanism, first abatvoix and second abatvoix parallel locate the radiator outside and through same first connecting portion and radiator fixed connection, sound absorbing cover passes through second connecting portion fixed connection in the second abatvoix outside, the inboard of dustcoat extends to the radiator edge and establishes including first abatvoix, second abatvoix cover, first abatvoix comprises sound absorbing layer and puigging, the second abatvoix comprises the puigging, the sound absorbing layer is located the one side that is close to the radiator, wear to be equipped with a plurality of sound penetrating holes on the first abatvoix.
Preferably, the first sound-absorbing plate peripheral side extends towards the second sound-absorbing plate to form a first side wall, the second sound-absorbing plate peripheral side extends towards the first sound-absorbing plate to form a second side wall, and the first side wall, the second side wall, the first sound-absorbing plate and the second sound-absorbing plate enclose to form a sound attenuation area.
Preferably, the inner surface of the sound attenuation area is a frosted surface.
Preferably, the first connecting portion and the second connecting portion each include a connecting column and a rubber vibration isolation mechanism.
Preferably, the cross section of the sound absorbing cover is larger than that of the radiator, one side of the sound absorbing cover, which is close to the radiator, extends towards the radiator to form a reflecting area, a gap is formed between the reflecting area and the radiator, a reflecting pad is fixed on the reflecting area, and the reflecting pad extends to the outer wall of the radiator and is movably connected with the radiator.
Preferably, the inner wall of the sound absorption cover and the inner wall of the reflection area are both formed by sound absorption layers.
Preferably, a plurality of sound absorption cavities are arranged between the inner wall and the outer wall of the sound absorption cover.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model can fully reduce the noise by 12-15 decibels by conducting and dispersing the vibration and absorbing and reflecting the noise to consume the noise energy, thereby achieving better noise reduction effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic sectional view of the entire structure of the present embodiment;
fig. 2 is a schematic structural view of the first sound-absorbing panel in the present embodiment;
fig. 3 is a schematic cross-sectional structure diagram of the sound absorbing cover in this embodiment.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a heat sink; 2. a sound absorbing mechanism; 3. a first sound-absorbing panel; 31. a sound absorbing layer; 32. a sound insulating layer; 33. a sound transmission hole; 34. a first side wall; 4. a second sound-absorbing panel; 41. a second side wall; 5. a sound absorbing cover; 51. a reflective region; 52. a reflective pad; 53. a sound absorbing chamber; 6. a first connection portion; 7. a second connecting portion; 8. a sound deadening zone.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a110 kV transformer noise reduction processing device comprises a sound absorption mechanism 2 arranged outside a radiator 1 of a transformer, wherein the sound absorption mechanism 2 comprises a first sound absorption plate 3, a second sound absorption plate 4 and a sound absorption cover 5 which are in a long plate shape, the extension lengths of the first sound absorption plate 3 and the second sound absorption plate 4 in the vertical direction and the horizontal direction are slightly larger than that of the radiator 1, the first sound absorption plate 3 and the second sound absorption plate 4 are arranged on the outer side of the radiator 1 in parallel and are fixedly connected with the radiator 1 through a same first connecting part 6, the sound absorption cover 5 is fixedly connected to the outer side of the second sound absorption plate 4 through a second connecting part 7, the inner side of the outer cover extends to the edge of the radiator 1 and covers the first sound absorption plate 3 and the second sound absorption plate 4, the first sound absorption plate 3 is composed of a sound absorption layer 31 and a sound insulation layer 32, the second sound absorption plate 4 is composed of a sound insulation layer 32, the sound absorption layer 31 is positioned on one side close to the radiator 1, a plurality of sound transmission holes 33 are formed in the first sound absorbing plate 3. Specifically, in the present embodiment, the sound absorbing layer 31 is formed of a polyester fiber sound absorbing plate, and the sound insulating layer 32 is formed of soundproof cotton.
Preferably, the peripheral side of the first sound-absorbing plate 3 extends obliquely towards the second sound-absorbing plate 4 to form a first side wall 34, the peripheral side of the second sound-absorbing plate 4 extends obliquely towards the first sound-absorbing plate 3 to form a second side wall 41, the first side wall 34 is in movable contact with the second side wall 41, and the first side wall 34, the second side wall 41, the first sound-absorbing plate 3 and the second sound-absorbing plate 4 enclose to form a sound-deadening region 8, so that noise entering the sound-deadening region 8 through the sound-transmitting holes 33 on the first sound-absorbing plate 3 continuously generates reflection consumed sound energy in the sound-deadening region 8 until the energy is exhausted, thereby realizing effective elimination of the noise entering the sound-deadening region 8.
Preferably, the inner surface of the sound deadening region 8 is a frosted surface, and the frosted surface can make sound diffuse reflection in the sound deadening region 8, so that the reflection energy consumption process of the sound in the sound deadening region 8 is accelerated, and the processing effect of the noise is improved.
Preferably, first connecting portion 6 and second connecting portion 7 all include spliced pole and rubber vibration isolation mechanism (not marked in the figure), wherein, the one end of a spliced pole is fixed in radiator 1, the other end passes through rubber vibration isolation mechanism and is connected with second abatvoix 4, the both ends of another spliced pole are connected respectively with second abatvoix 4 and abatvoix cover 5 through two rubber vibration isolation mechanisms respectively, thereby, can realize between first abatvoix 3 and the second abatvoix 4, the separation of the vibration between second abatvoix 4 and the abatvoix cover 5, prevent only by connecting with same spliced pole and directly conduct the vibration for the condition that abatvoix cover 5 produced extra noise takes place, fully reduce the conduction of vibration, reduce the noise.
Preferably, the cross section of the sound absorbing cover 5 is larger than that of the heat sink 1, one side of the sound absorbing cover, which is close to the heat sink 1, extends toward the heat sink 1 to form a reflection area 51, a gap is formed between the reflection area 51 and the heat sink 1, a reflection pad 52 is fixed on the reflection area 51, the reflection pad 52 extends to the outer wall of the heat sink 1 and is movably connected with the heat sink 1, the inner wall of the sound absorbing cover 5 and the inner wall of the reflection area 51 are both formed by a sound absorbing layer 31, in this embodiment, the material of the reflection pad 52 is the same as that of the sound absorbing layer 31, so that when noise enters the sound absorbing cover 5 along the heat sink 1, most of the noise is directly absorbed by the sound absorbing layer 31 on the first sound absorbing plate 3 or passes through the sound transmitting hole 33 to enter the sound absorbing area 8 for sound attenuation, and the rest of the noise enters other spaces of the sound absorbing cover 5 and finally emits to the inner wall of the sound absorbing cover 5 to be absorbed by the sound absorbing layer 31 on the inner wall of the sound absorbing cover 5 to attenuate the noise, preventing noise from being directly transmitted to the external environment.
Preferably, a plurality of sound absorption cavities 53 are arranged between the inner wall and the outer wall of the sound absorption cover 5, the attenuated noise is transmitted to the external environment through the side wall of the sound absorption cover 5, and in the transmission process, the noise enters the sound absorption cavities 53 to be further reflected and consumed, so that the noise is further attenuated, and finally the noise transmitted to the outside is fully reduced.
One specific application of this embodiment is:
firstly, when the transformer works, noise is generated, the noise is conducted through the radiator 1 and enters the sound absorption mechanism 2 on the outer side of the radiator 1, then most of the noise is firstly absorbed by the absorption layer on one side of the first sound absorption plate 3, the rest of the noise passes through the sound transmission holes 33 and enters the silencing area 8, and the noise is continuously reflected in the silencing area 8 formed by enclosing the sound insulation layers 32 on the inner sides of the first sound absorption plate 3, the second sound absorption plate 4, the first side wall 34 and the second side wall 41, so that energy is consumed and finally eliminated; the rest noise enters other spaces of the sound absorption cover 5, is attenuated under the absorption of the sound absorption layer 31 on the inner wall of the sound absorption cover 5, the attenuated noise is conducted through the side wall of the sound absorption cover 5, enters the suction cavity inside the sound absorption cover 5 in the conduction process to further reflect and consume energy, and finally most of the noise is consumed and absorbed, and a small part of the fully attenuated and energy-consuming noise is transmitted to the external environment; wherein, first connecting portion 6 and second connecting portion 7 realize between first abatvoix 3 and the second abatvoix 4, the separation of the vibration between second abatvoix 4 and the sound absorption cover 5, prevent only by the circumstances emergence that same spliced pole is connected and directly conduct the vibration for sound absorption cover 5 production extra noise, the conduction of fully reducing vibration reduces the noise.
In conclusion, the utility model can fully reduce the noise by 12-15 decibels by dispersing vibration conduction and absorbing and reflecting the noise to consume noise energy, thereby achieving better noise reduction effect.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a processing apparatus of making an uproar falls in 110kV transformer, is including the outside sound mechanism (2) of inhaling of radiator (1) of locating the transformer, its characterized in that: the sound absorption mechanism (2) comprises a first sound absorption plate (3), a second sound absorption plate (4) and a sound absorption cover (5), the first sound-absorbing board (3) and the second sound-absorbing board (4) are arranged on the outer side of the radiator (1) in parallel and are fixedly connected with the radiator (1) through the same first connecting part (6), the sound absorption cover (5) is fixedly connected to the outer side of the second sound absorption plate (4) through a second connecting part (7), the inner side of the sound absorption cover extends to the edge of the radiator (1) and covers the first sound absorption plate (3) and the second sound absorption plate (4), the first sound-absorbing plate (3) is composed of a sound-absorbing layer (31) and a sound-insulating layer (32), the second sound-absorbing plate (4) is composed of a sound-insulating layer (32), the sound-absorbing layer (31) is located on one side close to the radiator (1), and a plurality of sound transmission holes (33) are formed in the first sound-absorbing plate (3) in a penetrating mode.
2. The noise reduction processing device for the 110kV transformer according to claim 1, wherein: the first sound-absorbing plate (3) periphery side extends towards the second sound-absorbing plate (4) to form a first side wall (34), the second sound-absorbing plate (4) periphery side extends towards the first sound-absorbing plate (3) to form a second side wall (41), and the first side wall (34), the second side wall (41), the first sound-absorbing plate (3) and the second sound-absorbing plate (4) enclose to form a sound attenuation area (8).
3. The noise reduction processing device for the 110kV transformer according to claim 2, wherein: the inner surface of the sound attenuation area (8) is a frosted surface.
4. The noise reduction processing device for the 110kV transformer according to claim 1, wherein: the first connecting portion (6) and the second connecting portion (7) comprise connecting columns and rubber vibration isolation mechanisms.
5. The noise reduction processing device for the 110kV transformer according to claim 1, wherein: the cross section of the sound absorption cover (5) is larger than the radiator (1), one side of the sound absorption cover, which is close to the radiator (1), extends towards the radiator (1) to form a reflection area (51), a gap is reserved between the reflection area (51) and the radiator (1), a reflection pad (52) is fixed on the reflection area (51), and the reflection pad (52) extends to the outer wall of the radiator (1) and is movably connected with the radiator (1).
6. The noise reduction processing device for the 110kV transformer according to claim 5, wherein: the inner wall of the sound absorption cover (5) and the inner wall of the reflection area (51) are both formed by a sound absorption layer (31).
7. The noise reduction processing device for the 110kV transformer according to claim 1, wherein: a plurality of sound absorption cavities (53) are arranged between the inner wall and the outer wall of the sound absorption cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120883786.1U CN215578141U (en) | 2021-04-27 | 2021-04-27 | Noise reduction processing device for 110kV transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120883786.1U CN215578141U (en) | 2021-04-27 | 2021-04-27 | Noise reduction processing device for 110kV transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215578141U true CN215578141U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120883786.1U Active CN215578141U (en) | 2021-04-27 | 2021-04-27 | Noise reduction processing device for 110kV transformer |
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|---|---|
| CN (1) | CN215578141U (en) |
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- 2021-04-27 CN CN202120883786.1U patent/CN215578141U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361000 unit a, Room 301, office building 2, No. 151, Yuehua Road, Huli District, Xiamen City, Fujian Province Patentee after: Fujian yifangyuan Electric Power Group Co.,Ltd. Address before: 361000 unit a, Room 301, office building 2, No. 151, Yuehua Road, Huli District, Xiamen City, Fujian Province Patentee before: Fujian yifangyuan Electric Power Engineering Design Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |