CN213960486U

CN213960486U - Mute cabinet

Info

Publication number: CN213960486U
Application number: CN202022975312.8U
Authority: CN
Inventors: 汪安全
Original assignee: Zhongchuang Jiansheng Environmental Protection Engineering Beijing Co ltd
Current assignee: Zhongchuang Jiansheng Environmental Protection Engineering Beijing Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-13
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a silence rack, which comprises an outer shell, the inner wall fixedly connected with puigging of shell, the lower extreme fixedly connected with sound absorbing layer of puigging, the inside in first piece formula noise damping district is provided with a plurality of first piece formula silencers, the below of first ventilation inflation mouth is provided with two extraction fans, the below of extraction fan all is provided with the amortization expansion chamber corresponding with the extraction fan position, the inside in second piece formula noise damping district is provided with a plurality of second piece formula silencers. The utility model discloses in, at first through inlet air channel and exhaust air channel, realize the quick circulation of air in making its rack, reach with outdoor constant temperature effect, better protective apparatus's operational environment and service life, then under the effect of amortization district and amortization expansion chamber, make this ventilation system have the function of inhaling the sound and making an uproar simultaneously, thereby secondly form the high sound-proof structure of outer spaced internal absorption through sound-absorbing layer and puigging, the noise that has significantly reduced is worth wideling popularize.

Description

Mute cabinet

Technical Field

The utility model relates to a network equipment technical field especially relates to a silence rack.

Background

With the increasing popularization of network informatization, the high noise of network equipment becomes a problem.

Especially, the network server or workstation computer server and the rack in the laboratory are put in the office, and the office staff must bear the harm of noise for a long time, sets up the computer lab for the server is special, has increased the cost in business again, and secondly traditional rack is difficult to guarantee the good thermal diffusivity of rack when guaranteeing the rack silence.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a mute cabinet.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a mute cabinet comprises a shell, wherein the upper end and the lower end of the left side of the shell are both rotationally connected with a cabinet door through hinges, the inner wall of the shell is fixedly connected with a sound insulation layer, the lower end of the sound insulation layer is fixedly connected with a sound absorption layer, the upper end of the right side of the shell is provided with a first sheet type sound attenuation area, a plurality of first sheet type silencers are arranged inside the first sheet type sound attenuation area, two first ventilation expansion ports are arranged below the first sheet type sound attenuation area, two extraction fans are arranged below the first ventilation expansion ports, silencing expansion chambers corresponding to the extraction fans are arranged below the extraction fans, a third ventilation expansion port is arranged below the silencing expansion chambers, a second sheet type sound attenuation area is arranged below the third ventilation expansion port, a plurality of second sheet type silencers are arranged inside the second sheet type sound attenuation area, and two second ventilation expansion ports are arranged below the second sheet type silencing area.

As a further description of the above technical solution:

the left side of the cabinet door is fixedly connected with a handle.

As a further description of the above technical solution:

pulleys are fixedly connected to four corners of the lower end of the shell.

As a further description of the above technical solution:

the shell is formed by bending and spraying two sides of a galvanized steel sheet with the thickness of 1.5 mm.

As a further description of the above technical solution:

the sound-proof layer is made of a special damping sound-proof board with the diameter of 2.0 mm.

As a further description of the above technical solution:

the sound absorption layer is made of a melamine sound absorption plate with the diameter of 25 mm.

As a further description of the above technical solution:

the first sheet type silencer and the second sheet type silencer have the same specification and model and are uniformly distributed in the corresponding first sheet type silencing area and the second sheet type silencing area.

The utility model discloses following beneficial effect has:

the utility model discloses in, the passageway of airing exhaust that inlet air channel and ventilation inflation mouth that at first provided through the extraction fan realized the quick circulation of air in making its rack, reach with outdoor constant temperature effect, better protective apparatus's operational environment and service life, then under the effect of amortization district and amortization expansion chamber, make this ventilation system have the function of inhaling the sound and making an uproar simultaneously, thereby secondly form the high sound-proof structure of outer separate internal system through sound absorption layer and puigging, the acoustic celotess can reach 45dB, the sound absorption coefficient can reach 0.9, satisfy completely and use under adverse noise environment, be worth wideling popularize.

Drawings

Fig. 1 is a structural view of a mute cabinet according to the present invention;

fig. 2 is a rear view of a mute cabinet according to the present invention;

fig. 3 is the utility model provides a cabinet body structure schematic diagram of silence rack.

Illustration of the drawings:

1. a housing; 2. a sound insulating layer; 3. a sound absorbing layer; 4. a hinge; 5. a cabinet door; 6. a handle; 7. a pulley; 8. a first chip type sound attenuation zone; 9. a first vent expansion port; 10. an exhaust fan; 11. a silencing expansion chamber; 12. a second silencing area; 13. a second ventilation expansion port; 14. a third ventilation expansion port; 15. a first plate muffler; 16. a second plate muffler.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a mute cabinet comprises a shell 1, the upper and lower ends of the left side of the shell 1 are rotatably connected with a cabinet door 5 through hinges 4, the inner wall of the shell 1 is fixedly connected with a sound insulation layer 2, the lower end of the sound insulation layer 2 is fixedly connected with a sound absorption layer 3, the upper end of the right side of the shell 1 is provided with a first sheet type sound attenuation area 8, a plurality of first sheet type silencers 15 are arranged inside the first sheet type sound attenuation area 8, two first ventilation expansion ports 9 are arranged below the first sheet type sound attenuation area 8, two suction fans 10 are arranged below the first ventilation expansion ports 9, silencing expansion chambers 11 corresponding to the suction fans 10 are arranged below the suction fans 10, third ventilation expansion ports 14 are arranged below the silencing expansion chambers 11, a second sheet type sound attenuation area 12 is arranged below the third ventilation expansion ports 14, a plurality of second sheet type silencers 16 are arranged inside the second sheet type sound attenuation area 12, the below of second piece formula amortization district 12 is provided with two second ventilation inflation mouths 13, and the inlet channel that provides through exhaust fan 10 and the passageway of airing exhaust that the inflation mouth provided realizes the quick circulation of air in its rack, reaches with outdoor constant temperature effect, better protective apparatus's operational environment and service life, then under the effect of amortization district and amortization expansion chamber 11, make this ventilation system have the effect of inhaling the sound and making an uproar simultaneously. The ventilation system has two advantages, firstly, the working noise of the ventilation system can be controlled below 35 dB; secondly, the noise reduction function of the noise ventilation system realizes sound energy conversion, the sound insulation quantity of the ventilation system during working is not less than 40dB, and the noise at the air outlet can reach the standard.

Cabinet door 5's left side fixedly connected with handle 6, the equal fixedly connected with pulley 7 in shell 1's the lower extreme four corners, shell 1 adopts the two-sided spraying of 1.5mm galvanized steel sheet to handle, the shaping of bending, the material of puigging 2 is diameter 2.0 mm's special damping acoustic celotex board, this damping acoustic celotex board is the centre of using double-deck different materials to press from both sides restraint damping layer sound-proof structure, double-deck different materials can avoid this two-layer identical coincidence frequency that appears, middle restraint damping layer can increase the dielectric layer of acoustic celotex board, thereby form new sound field medium, the continuous business turn over sound field medium of sound wave, can produce refract once more, the acoustic celotex volume that enables the acoustic celotex board obtains further improvement. Meanwhile, the existence of the constrained damping layer can inhibit the vibration of the sound-insulating board, the sound-insulating frequency is wider, the blocking performance of low-frequency sound waves can be further improved, the sound-insulating layer 3 is made of a melamine sound-insulating board with the diameter of 25mm, a plurality of small holes are formed in the surface of the melamine sound-insulating board, sound can be reflected in a messy manner in the inner wall with a structure similar to a sponge after entering the small holes until most of the energy of the sound waves is consumed and is changed into heat energy, the sound-insulating effect is achieved, a high sound-insulating structure for outer insulation and inner absorption is formed through the sound-insulating layer 3 and the sound-insulating layer 2, the sound-insulating quantity can reach 45dB, the sound-absorbing coefficient can reach 0.9, the sound-insulating effect is completely met under the severe noise environment, and the specifications and the models of the first sheet type silencer 15 and the second sheet type silencer 16 are the same and are uniformly distributed in the corresponding first sheet type sound-insulating area 8 and the second sheet type sound-insulating area 12.

The working principle is as follows: the air inlet channel that at first provides through exhaust fan 10 and the passageway of airing exhaust that the inflation mouth provided ventilates, realize the quick circulation of air in making its rack, reach with outdoor constant temperature effect, better protection equipment's operational environment and service life, then under the effect of amortization district and amortization expansion chamber 11, make this ventilation system have the function of inhaling the sound and making an uproar simultaneously, thereby it forms the high sound-proof structure of outer sound insulation internal suction to pass through sound-absorbing layer 3 and puigging 2, the acoustic celotex can reach 45dB, the sound absorption coefficient can reach 0.9, satisfy completely and use under adverse noise environment, the purpose of rack silence has been realized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A silence cabinet, includes shell (1), its characterized in that: the cabinet door structure is characterized in that the upper end and the lower end of the left side of the shell (1) are rotatably connected with a cabinet door (5) through hinges (4), the inner wall of the shell (1) is fixedly connected with a sound insulation layer (2), the lower end of the sound insulation layer (2) is fixedly connected with a sound absorption layer (3), the upper end of the right side of the shell (1) is provided with a first sheet type sound attenuation area (8), a plurality of first sheet type silencers (15) are arranged inside the first sheet type sound attenuation area (8), two first ventilation expansion ports (9) are arranged below the first ventilation expansion ports (9), two exhaust fans (10) are arranged below the first ventilation expansion ports (9), silencing expansion chambers (11) corresponding to the exhaust fans (10) in position are arranged below the exhaust fans (10), and a third ventilation expansion port (14) is arranged below the silencing expansion chambers (11), and a second sheet type silencing area (12) is arranged below the third ventilation expansion port (14), a plurality of second sheet type silencers (16) are arranged inside the second sheet type silencing area (12), and two second ventilation expansion ports (13) are arranged below the second sheet type silencing area (12).

2. The muting cabinet according to claim 1, characterized in that: the left side of the cabinet door (5) is fixedly connected with a handle (6).

3. The muting cabinet according to claim 1, characterized in that: pulleys (7) are fixedly connected to four corners of the lower end of the shell (1).

4. The muting cabinet according to claim 1, characterized in that: the shell (1) is formed by bending and spraying two sides of a galvanized steel sheet with the thickness of 1.5 mm.

5. The muting cabinet according to claim 1, characterized in that: the sound insulation layer (2) is made of a special damping sound insulation board with the diameter of 2.0 mm.

6. The muting cabinet according to claim 1, characterized in that: the sound absorption layer (3) is made of a melamine sound absorption plate with the diameter of 25 mm.

7. The muting cabinet according to claim 1, characterized in that: the first sheet type silencer (15) and the second sheet type silencer (16) are the same in specification and model and are evenly distributed in the corresponding first sheet type silencing area (8) and the second sheet type silencing area (12).