CN218918441U

CN218918441U - Sound insulation cover

Info

Publication number: CN218918441U
Application number: CN202222868704.3U
Authority: CN
Inventors: 潘改革; 李子龙; 徐水金; 黄孔岑
Original assignee: Shanghai Lingyao Ship Engineering Co ltd
Current assignee: Shanghai Lingyao Ship Engineering Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-04-25
Anticipated expiration: 2032-10-28

Abstract

The utility model belongs to the field of noise reduction, and discloses a sound insulation cover which comprises an outer cover shell, an inner cover shell, a first partition plate and a second partition plate, wherein the upper end of the left side of the outer cover shell is provided with an outer shell air inlet, and the lower end of the right side of the outer cover shell is provided with an outer shell air outlet; the inner housing is arranged in the outer housing, a space is reserved between the inner housing and the outer housing, an air inlet channel is formed between the left side of the inner housing and the left side of the outer housing, an air outlet channel is formed between the right side of the inner housing and the right side of the outer housing, an inner housing air inlet is formed at the lower end of the left side of the inner housing, and an inner housing air outlet is formed at the upper end of the right side of the inner housing; the first partition plate and the second partition plate are respectively arranged between the top of the inner housing and the top of the outer housing, an isolation channel is formed between the first partition plate and the second partition plate at intervals, the isolation channel is used for isolating an air inlet channel and an air outlet channel, and an air outlet of the inner housing is positioned outside the isolation channel. The sound insulation cover provided by the utility model can effectively reduce noise and has a good heat dissipation effect.

Description

Sound insulation cover

Technical Field

The utility model relates to the technical field of noise reduction, in particular to a sound insulation cover.

Background

The sound insulation cover is used as a product for controlling equipment noise, is widely applied in the engineering field, and has good noise reduction effect. In order to ensure the noise reduction effect, a closed structure is generally adopted for the sound insulation cover, so that the open pores on the surface are reduced as much as possible, and the leakage of noise is reduced. In the closed space, heat generated in the running process of the equipment cannot be timely dissipated, and the running of the equipment can be seriously influenced. The traditional sound insulation cover has a single structure, and has no good heat dissipation measures for increasing the sound insulation effect. Therefore, a new scheme is urgently needed, good heat dissipation can be provided while the sound insulation effect of the sound insulation cover is ensured, and the safe operation of equipment is ensured.

Disclosure of Invention

The utility model aims to provide the sound insulation cover which not only can effectively reduce noise, but also has good heat dissipation effect.

The technical scheme provided by the utility model is as follows:

a sound-insulating cover comprising:

the upper end of the left side of the outer cover shell is provided with a shell air inlet, and the lower end of the right side of the outer cover shell is provided with a shell air outlet;

the inner cover shell is arranged in the outer cover shell, a space is reserved between the inner cover shell and the outer cover shell, an air inlet channel is formed between the left side of the inner cover shell and the left side of the outer cover shell, an air outlet channel is formed between the right side of the inner cover shell and the right side of the outer cover shell, an inner cover air inlet is formed at the lower end of the left side of the inner cover shell, and an inner cover air outlet is formed at the upper end of the right side of the inner cover shell;

the first partition plate and the second partition plate are respectively arranged between the top of the inner housing and the top of the outer housing, an isolation channel is formed between the first partition plate and the second partition plate at intervals, the isolation channel is used for isolating the air inlet channel and the air outlet channel, and the inner housing air outlet is positioned outside the isolation channel.

In some embodiments, the outer cover shell comprises a first side surface, a second side surface and a third side surface which are sequentially connected, the first side surface is opposite to the third side surface, the upper end of the first side surface of the outer cover shell is provided with the shell air inlet, and the lower end of the third side surface of the outer cover shell is provided with the shell air outlet;

the inner cover shell comprises a fourth side surface corresponding to the first side surface, a fifth side surface corresponding to the second side surface and a sixth side surface corresponding to the third side surface, the lower end of the fourth side surface is provided with the inner shell air inlet, the air inlet channel is formed between the fourth side surface and the first side surface, the inner shell air outlet is formed at one end of the fifth side surface close to the sixth side surface or at the upper end of the sixth side surface, and the air outlet channel is formed between the sixth side surface and the third side surface;

the first partition plate and the second partition plate are respectively arranged between the second side face and the fifth side face, the first partition plate is close to the first side face, and the second partition plate is close to the third side face.

In some embodiments, the first separator and the fourth side are on the same line.

In some embodiments, when the air outlet of the inner shell is disposed at the upper end of the sixth side, the second partition and the sixth side are located on the same line.

In some embodiments, the housing air inlet and the housing air outlet are respectively provided with a shutter.

In some embodiments, the outer casing comprises a metal plate, a damping coating, a sound absorbing material, a glass cloth, and a perforated panel, which are stacked in this order.

In some embodiments, the inner cover case comprises a metal plate, one side of the metal plate is sequentially laminated with a damping coating, a sound absorbing material, glass cloth and a perforated panel, and the other side of the metal plate is sequentially laminated with a damping coating, a sound absorbing material, glass cloth and a perforated panel.

In some embodiments, the damping coating is asbestos asphalt paint, and the damping coating has a thickness of 6 to 8mm.

In some embodiments, a baffle or a silencer is disposed in the air inlet duct and the air outlet duct, respectively.

In some embodiments, when a transmission device is arranged in the inner housing, a transmission shaft of the transmission device passes through the inner housing and the outer housing, and a gap between the transmission shaft and the inner housing and the outer housing is filled with noise-reducing cotton.

The utility model has the technical effects that: the air inlet and the air outlet pass through a section of longer silencing air duct, and the inner air inlet, the outer air outlet and the transverse air outlet are vertically and horizontally arranged separately, so that the leakage of noise is effectively reduced; the air inlet of the sound insulation cover is arranged at the upper part of the outer cover shell, and enters the inner cover shell from the inner cover shell air inlet at the lower part of the inner cover shell through the air inlet channel; the air outlet is arranged at the upper part of the inner housing, is discharged from the air outlet arranged at the lower part of the outer housing through the air outlet duct, and outside air flows from bottom to top after entering the inner housing, so that the heat exchange between the air outlet and equipment in the inner housing is improved, and the heat dissipation effect is improved.

Drawings

The utility model is described in further detail below with reference to the attached drawings and detailed description:

FIG. 1 is a cross-sectional view of a sound shield provided in an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an outer housing provided in an embodiment of the present application;

fig. 3 is a schematic cross-sectional view of an inner housing provided in an embodiment of the present application.

Reference numerals illustrate:

10. an outer housing; 101. an air inlet of the shell; 102. an exhaust outlet of the shell; 11. a first side; 12. a second side; 13. a third side; 20. an inner housing; 201. an air inlet of the inner shell; 202. an air outlet of the inner shell; 203. an exhaust fan; 21. a fourth side; 22. a fifth side; 23. a sixth side; 30. a first separator; 40. a second separator; 50. an air inlet duct; 60. an air outlet duct; 70. isolating the channels; 81. a metal plate; 82. a damping coating; 83. a sound absorbing material; 84. glass cloth; 85. a perforated panel; 90. a transmission device; 91. a transmission shaft; 100. and a deflector.

Detailed Description

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.

For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In one embodiment of the present application, as shown in fig. 1, a sound insulation cover includes an outer casing 10, an inner casing 20, a first partition board 30 and a second partition board 40, where an outer casing air inlet 101 is provided at the upper left end of the outer casing 10, an outer casing air outlet 102 is provided at the lower right end of the outer casing 10, and shutters may be provided on the outer casing air inlet 101 and the outer casing air outlet 102 respectively; the inner housing 20 is arranged in the outer housing 10 and has a space with the outer housing 10, an air inlet channel 50 is formed between the left side of the inner housing 20 and the left side of the outer housing 10, an air outlet channel 60 is formed between the right side of the inner housing 20 and the right side of the outer housing 10, an inner housing air inlet 201 is arranged at the lower end of the left side of the inner housing 20, and an inner housing air outlet 202 is arranged at the upper end of the right side of the inner housing 20; the first partition board 30 and the second partition board 40 are respectively arranged between the top of the inner housing 20 and the top of the outer housing 10, an isolation channel 70 is formed between the first partition board 30 and the second partition board 40, the isolation channel 70 is used for isolating the air inlet channel 50 and the air outlet channel 60, and the inner housing air outlet 202 is positioned outside the isolation channel 70.

The sound insulation cover of the embodiment adopts a double-layer cover shell form, namely, an inner cover shell 20 is added on the basis of a common single-layer sound insulation cover shell, and the inner cover shell 20 and the outer cover shell 10 can be both provided with sound-damping materials, so that the sound-damping effect can be improved. A section of combined wall air channel is formed between the inner housing shell 20 and the outer housing shell 10 and is used as an air channel for ventilation in the housing, and the positions of the inner air inlet air channel 50 and the outer air outlet air channel 60 are staggered, so that the leakage of noise through the air channel is effectively reduced.

Natural wind enters the air inlet duct 50 through the outer shell air inlet 101 at the upper left end of the outer shell 10, then enters the inner shell 20 from the inner shell air inlet 201 at the lower left end of the inner shell 20, air entering the inner shell 20 flows from bottom to top, after absorbing heat, is discharged out of the inner shell 20 through the inner shell air outlet 202 arranged at the upper right end of the inner shell 20 and enters the air outlet duct 60, and finally is discharged out of the outer shell air outlet 102 at the lower right end of the outer shell 10.

The first partition board 30 and the second partition board 40 are arranged between the top of the inner casing 20 and the top of the outer casing 10, an isolation channel 70 is formed between the first partition board 30 and the second partition board 40, and the isolation channel 70 can isolate the air inlet duct 50 from the air outlet duct 60, so that heat in the air outlet duct 60 is prevented from being transferred to the air inlet duct 50 in a heat conduction mode, and the heat dissipation effect is improved.

As shown in fig. 1, the outer casing 10 includes a first side 11, a second side 12 and a third side 13 that are sequentially connected, the first side 11 and the third side 13 are opposite, a casing air inlet 101 is provided at an upper end of the first side 11 of the outer casing 10, and a casing air outlet 102 is provided at a lower end of the third side 13 of the outer casing 10.

The inner housing 20 comprises a fourth side surface 21 corresponding to the first side surface 11, a fifth side surface 22 corresponding to the second side surface 12 and a sixth side surface 23 corresponding to the third side surface 13, an inner housing air inlet 201 is formed at the lower end of the fourth side surface 21, an air inlet duct 50 is formed between the fourth side surface 21 and the first side surface 11, an inner housing air outlet 202 is formed at one end of the fifth side surface 22 close to the sixth side surface 23 or at the upper end of the sixth side surface 23, and an air outlet duct 60 is formed between the sixth side surface 23 and the third side surface 13; noise elimination measures, such as a baffle 100 or a muffler plate, can be added in the air inlet duct 50 and the air outlet duct 60 according to requirements, so as to improve noise elimination performance. An exhaust fan 203 can be further disposed at the exhaust port 202 of the inner housing, and the exhaust fan 203 can timely exhaust the hot air accumulated above the inner housing 20 to improve the heat dissipation effect.

The first separator 30 and the second separator 40 are disposed between the second side 12 and the fifth side 22, respectively, the first separator 30 is disposed adjacent to the first side 11, the second separator 40 is disposed adjacent to the third side 13, and a separation channel 70 is formed between the first separator 30 and the second separator 40. The first separator 30 may be positioned on the same line as the fourth side 21 or on the left side of the fourth side 21. The second partition plate 40 may be located on the same line as the sixth side surface 23 or on the right side of the sixth side surface 23, and when the second partition plate 40 is located on the same line as the sixth side surface 23, the inner casing air outlet 202 is disposed at the upper end of the sixth side surface 23; when the second partition 40 is located on the right side of the sixth side 23, the inner case exhaust port 202 may be located at the left end of the fifth side 22.

As shown in fig. 2, the outer cover 10 includes a metal plate 81, a damping coating 82, a sound absorbing material 83, a glass cloth 84, and a perforated panel 85, which are laminated in this order. The metal plate 81 may be provided with a thin-walled square steel or thin-walled steel reinforcement frame to enhance the strength of the outer casing 10; the damping coating 82 is asbestos asphalt paint, the coating thickness is 6-8 mm, the sound absorbing material 83 can be 20mm porous sound absorbing material, it is noted that the sound absorbing material 83 can also be porous sound absorbing material with other sizes according to the requirement.

As shown in fig. 3, the inner housing 20 includes a metal plate 81, one side of which is sequentially laminated with a damping coating 82, a sound absorbing material 83, a glass cloth 84, and a perforated panel 85, and the other side of which is sequentially laminated with a damping coating 82, a sound absorbing material 83, a glass cloth 84, and a perforated panel 85. The metal plate 81 may be provided with a thin-walled square steel or thin-walled steel reinforcement cage to enhance the strength of the inner housing 20; the damping coating 82 is asbestos asphalt paint with the coating thickness of 6-8 mm, and the sound absorbing material 83 can be 20mm porous sound absorbing material. Both sides of the inner housing 20 are provided with a sound damping material, so that sound damping performance can be improved.

The inside of the inner housing 20 is provided with a mechanical device, and when the mechanical device is the transmission device 90, a transmission shaft 91 of the transmission device 90 passes through the inner housing 20 and the outer housing 10, and a gap between the transmission shaft 91 and the inner housing 20 and the outer housing 10 is filled with noise-reducing cotton. Because the sound insulation cover is double-layered, and the gap between the transmission shaft 91 and the inner cover shell 20 and the outer cover shell 10 is filled with noise reduction cotton, the noise reduction effect of the transmission shaft 91 is better than that of a single-layer sound insulation cover when the transmission shaft 91 penetrates out of the sound insulation cover.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. A sound insulation cover, comprising:

2. A sound-insulating cover according to claim 1, wherein,

the outer cover shell comprises a first side face, a second side face and a third side face which are sequentially connected, the first side face and the third side face are arranged oppositely, the upper end of the first side face of the outer cover shell is provided with the shell air inlet, and the lower end of the third side face of the outer cover shell is provided with the shell air outlet;

3. A sound-insulating cover according to claim 2, characterized in that the first partition is in line with the fourth side.

4. A sound-insulating cover according to claim 2, wherein,

when the inner shell air outlet is arranged at the upper end of the sixth side surface, the second partition plate and the sixth side surface are positioned on the same straight line.

5. A sound-proof cover according to claim 1, wherein the housing air inlet and the housing air outlet are respectively provided with a shutter.

6. A sound-proof enclosure according to claim 1, wherein the outer enclosure comprises a metal plate, a damping coating, a sound absorbing material, a glass cloth and a perforated panel, which are laminated in this order.

7. The sound insulation cover according to claim 1, wherein the inner cover shell comprises a metal plate, one side of the metal plate is sequentially laminated with a damping coating, a sound absorption material, glass cloth and a perforated panel, and the other side of the metal plate is sequentially laminated with the damping coating, the sound absorption material, the glass cloth and the perforated panel.

8. A sound-insulating cover according to claim 6 or 7, characterized in that the damping coating is asbestos asphalt paint, and the thickness of the damping coating is 6-8 mm.

9. A sound-insulating cover according to claim 1, wherein,

and a guide plate or a silencing plate is respectively arranged in the air inlet duct and the air outlet duct.

10. A sound-insulating cover according to claim 1, wherein,

when the transmission equipment is arranged in the inner housing, a transmission shaft of the transmission equipment penetrates through the inner housing and the outer housing, and a gap between the transmission shaft and the inner housing and between the transmission shaft and the outer housing is filled with silencing cotton.