CN114754013A - Silencing device of 5G computer server - Google Patents
Silencing device of 5G computer server Download PDFInfo
- Publication number
- CN114754013A CN114754013A CN202210208436.4A CN202210208436A CN114754013A CN 114754013 A CN114754013 A CN 114754013A CN 202210208436 A CN202210208436 A CN 202210208436A CN 114754013 A CN114754013 A CN 114754013A
- Authority
- CN
- China
- Prior art keywords
- air
- sound insulation
- server
- fixedly connected
- cover
- 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.)
- Pending
Links
- 230000030279 gene silencing Effects 0.000 title claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 40
- 230000009467 reduction Effects 0.000 claims abstract description 22
- 239000004744 fabric Substances 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims abstract description 10
- 229920000742 Cotton Polymers 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention relates to the technical field of servers and discloses a silencing device of a 5G computer server, which comprises a server cabinet, wherein the top of the server cabinet is fixedly connected with a sound insulation top cover; the top of the sound insulation top cover is fixedly connected with a sound insulation and air exhaust assembly, the sound insulation and air exhaust assembly comprises a vacuum glass cover, an air exhaust hopper is fixedly connected inside the vacuum glass cover, the bottom of the air exhaust hopper is fixedly connected with an air exhaust pipe, the top of the air exhaust hopper is fixedly connected with a fan, and the top of the fan is provided with a noise reduction cloth I and a noise reduction cloth II; when the server carries out air cycle, air in the server is when discharging, and the noise that the subassembly of airing exhaust produced to the exhaust air in-process that gives sound insulation is eliminated, and in addition, when the air was in getting into the server, the noise that the air inlet subassembly that gives sound insulation produced the entering air in-process was eliminated, when making air cycle, can realize the effect of ultra-silence, and then can promote the comfort level in the server computer lab.
Description
Technical Field
The invention relates to the technical field of servers, in particular to a silencing device of a 5G computer server.
Background
Servers, also known as servers, are devices that provide computing services. Since the server needs to respond to and process the service request, the server generally has the capability of supporting and securing the service. The server is composed of a processor, a hard disk, a memory, a system bus and the like, and is similar to a general computer architecture, but has high requirements on processing capacity, stability, reliability, safety, expandability, manageability and the like due to the need of providing highly reliable services.
With the development of 5G technology, 5G computer servers are increasing, and the 5G computer servers belong to a communication server, which is a special system for providing communication services for users on a network who need to transmit files through a telecommunication link or access information on a remote system or network. The communication server provides communication channels for one or more users simultaneously, depending on software and hardware capabilities.
Among the prior art, the server is at the course of the work, because air cycle will carry out, consequently can produce the noise, when being in the computer lab that multiunit server constitutes, a large amount of noises can reduce staff's experience and feel.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the silencing device of the 5G computer server, which has the advantages of eliminating noise and realizing ultra-silence in the working process of the server, and solves the problem that a large amount of noise can reduce the experience of workers.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a silencing device of a 5G computer server comprises a server cabinet, wherein a sound insulation top cover is fixedly connected to the top of the server cabinet;
the top of the sound insulation top cover is fixedly connected with a sound insulation and air exhaust assembly, the sound insulation and air exhaust assembly comprises a vacuum glass cover, an air exhaust hopper is fixedly connected inside the vacuum glass cover, the bottom of the air exhaust hopper is fixedly connected with an air exhaust pipe, the top of the air exhaust hopper is fixedly connected with a fan, and the top of the fan is provided with a noise reduction cloth I and a noise reduction cloth II;
the server cabinet is characterized in that sound insulation air inlet assemblies are symmetrically arranged on two sides of the server cabinet and comprise air inlet pipes, one end of each air inlet pipe is fixedly connected with an air inlet cover, and sound insulation boards are arranged on the inner side walls of the air inlet pipes.
Preferably, the soundproof top cover is composed of two layers of damping soundproof plates.
By adopting the scheme, the two layers of damping sound insulation boards are matched with each other, and noise generated by vibration is eliminated.
Preferably, the exhaust pipe comprises a pipe body, and the inner side wall of the pipe body is provided with a sound absorption layer.
By adopting the scheme, the sound absorption layer is made of the sound absorption material, so that the sound in the exhaust pipe can be further reduced.
Preferably, the specifications of the noise reduction cloth I and the noise reduction cloth II are consistent.
By adopting the scheme, the noise reduction cloth I and the noise reduction cloth II can eliminate sound at the same time, and the noise reduction effect is greatly improved.
Preferably, the outer side wall of the exhaust hopper is provided with a first soundproof cotton.
Through adopting above-mentioned scheme, soundproof cotton cladding exhaust funnel makes the interior sound of exhaust funnel obtain eliminating.
Preferably, a sound sensor is arranged inside the exhaust funnel.
Through adopting above-mentioned scheme, sound transducer detects the inside sound of exhaust hopper.
Preferably, the sound sensor is connected with the external mobile terminal through a 5G signal.
By adopting the scheme, the sound sensor transmits the detected sound information to the mobile phone of the worker through wireless transmission, so that the worker can know whether the sound is abnormal or not in time.
Preferably, the outer side wall cover of the air inlet pipe is provided with a cover body, a heat pipe is arranged inside the cover body, one end of the heat pipe is attached to the air inlet cover, the other end of the heat pipe is provided with a radiator, and sound insulation cotton II is filled inside the cover body.
By adopting the above scheme, the heat pipe absorbs the heat in the entering air, and then the heat is dissipated by the radiator, so that the temperature of the air in the air inlet pipe can be reduced, and the heat dissipation efficiency of the device is further improved.
(III) advantageous effects
Compared with the prior art, the invention provides a silencing device of a 5G computer server, which has the following beneficial effects:
through setting up syllable-dividing air exhaust assembly and syllable-dividing air inlet subassembly, when the server carries out air cycle, air in the server is when discharging, and the subassembly of airing exhaust gives sound insulation and eliminates the noise that the exhaust air in-process produced, and in addition, when the air was in getting into the server, the noise that the air inlet subassembly that gives sound insulation produced the entering air in-process was eliminated, when making air cycle, can realize the effect of super-silent, and then can promote the comfort level in the server computer lab.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the sound-insulating air intake assembly of the present invention;
FIG. 3 is a top view of a noise reduction cloth of the present invention;
FIG. 4 is a schematic view of the structure of the blower, the air inlet hopper and the air inlet pipe of the present invention;
FIG. 5 is a schematic view of the sound insulating and air exhausting assembly of the present invention;
fig. 6 is a schematic cross-sectional view of an air outlet pipe in the present invention.
In the figure: 10. a server cabinet;
20. a sound insulating top cover;
30. a sound insulation and air exhaust assembly; 31. a vacuum glass cover; 32. an exhaust funnel; 33. an exhaust duct; 331. a pipe body; 332. a sound absorbing layer; 34. a fan; 35. noise reduction cloth I; 36. a second noise reduction cloth; 37. sound insulation cotton I; 38. a sound sensor;
40. the sound insulation air inlet component; 41. an air inlet pipe; 42. an air inlet cover; 43. a sound insulating board; 44. a cover body; 45. a heat pipe; 46. a heat sink; 47. and sound insulation cotton II.
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.
Example one
A silencing device of a 5G computer server comprises a server cabinet 10, wherein the top of the server cabinet 10 is fixedly connected with a sound insulation top cover 20, and the sound insulation top cover 20 consists of two layers of damping sound insulation boards;
the top of the sound insulation top cover 20 is fixedly connected with a sound insulation and exhaust assembly 30, the sound insulation and exhaust assembly 30 comprises a vacuum glass cover 31, an exhaust pipe 33 comprises a pipe body 331, the inner side wall of the pipe body 331 is provided with a sound absorption layer 332, the inside of the vacuum glass cover 31 is fixedly connected with an exhaust hopper 32, the bottom of the exhaust hopper 32 is fixedly connected with the exhaust pipe 33, the top of the exhaust hopper 32 is fixedly connected with a fan 34, the top of the fan 34 is provided with a noise reduction cloth I35 and a noise reduction cloth II 36, the specifications of the noise reduction cloth I35 and the noise reduction cloth II 36 are consistent, the outer side wall of the exhaust hopper 32 is provided with a sound insulation cotton I37, the inside of the exhaust hopper 32 is provided with a sound sensor 38, and the sound sensor 38 is connected with an external moving end through a 5G signal;
the sound insulation air inlet assemblies 40 are symmetrically arranged on two sides of the server cabinet 10, each sound insulation air inlet assembly 40 comprises an air inlet pipe 41, an air inlet cover 42 is fixedly connected to one end of each air inlet pipe 41, and sound insulation plates 43 are arranged on the inner side walls of the air inlet pipes 41.
Referring to fig. 1 to 6, during air circulation, the fan 34 starts to operate, so that the fan 34 draws out air in the server, and in the process of exhausting the air in the server, the generated noise is isolated by the vacuum glass cover 31, and meanwhile, the noise is further eliminated by the noise reduction cloth one 35 and the noise reduction cloth two 36 which are mutually overlapped, and in addition, sound absorption materials are arranged inside or around the exhaust duct 33 and the exhaust funnel 32, so that the sound can be further eliminated;
in the process of the outside air entering the server, the sound insulation board 43 in the air inlet pipe 41 insulates the sound, so that the server can realize the ultra-silent effect when the air circulates.
Example two
The function of high-efficient heat dissipation has been increased on one basis.
The outer side wall of the air inlet pipe 41 is sleeved with a cover body 44, a heat pipe 45 is arranged inside the cover body 44, one end of the heat pipe 45 is attached to the air inlet cover 42, the other end of the heat pipe 45 is provided with a radiator 46, and the inside of the cover body 44 is filled with a second soundproof cotton 47.
Referring to fig. 1-6, the heat pipe 45 absorbs heat from the air entering, and the heat is dissipated by the heat sink 46, so that the temperature of the air entering the air inlet pipe 41 can be reduced, and the heat dissipation efficiency of the device can be further improved.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A silencing device of 5G computer server comprises a server cabinet (10), and is characterized in that: the top of the server cabinet (10) is fixedly connected with a sound insulation top cover (20);
the sound insulation and air exhaust assembly (30) is fixedly connected to the top of the sound insulation top cover (20), the sound insulation and air exhaust assembly (30) comprises a vacuum glass cover (31), an air exhaust hopper (32) is fixedly connected to the inside of the vacuum glass cover (31), an air exhaust pipe (33) is fixedly connected to the bottom of the air exhaust hopper (32), a fan (34) is fixedly connected to the top of the air exhaust hopper (32), and a noise reduction cloth I (35) and a noise reduction cloth II (36) are arranged on the top of the fan (34);
the server cabinet is characterized in that sound insulation air inlet assemblies (40) which are symmetrically arranged are arranged on two sides of the server cabinet (10), each sound insulation air inlet assembly (40) comprises an air inlet pipe (41), one end of each air inlet pipe (41) is fixedly connected with an air inlet cover (42), and sound insulation boards (43) are arranged on the inner side walls of the air inlet pipes (41).
2. The silencing apparatus for 5G computer server as claimed in claim 1, wherein: the sound insulation top cover (20) is composed of two layers of damping sound insulation boards.
3. The silencing apparatus for 5G computer server as claimed in claim 1, wherein: exhaust pipe (33) include body (331), the inside wall of body (331) is equipped with sound absorbing layer (332).
4. The silencing apparatus for 5G computer server as claimed in claim 1, wherein: the specifications of the noise reduction cloth I (35) and the noise reduction cloth II (36) are consistent.
5. The silencing apparatus for 5G computer server as claimed in claim 1, wherein: the outer side wall of the exhaust hopper (32) is provided with a first soundproof cotton (37).
6. The silencing apparatus for 5G computer server as claimed in claim 1, wherein: and a sound sensor (38) is arranged in the exhaust hopper (32).
7. The silencing apparatus for 5G computer server as recited in claim 6, wherein: the sound sensor (38) is connected with an external mobile terminal through a 5G signal.
8. The silencing apparatus for 5G computer server as claimed in claim 1, wherein: the lateral wall cover of air-supply line (41) is equipped with the cover body (44), the inside of the cover body (44) is equipped with heat pipe (45), the one end of heat pipe (45) with air-supply line cover (42) is attached, the other end of heat pipe (45) is equipped with radiator (46), the inside packing of the cover body (44) has soundproof cotton two (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210208436.4A CN114754013A (en) | 2022-03-03 | 2022-03-03 | Silencing device of 5G computer server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210208436.4A CN114754013A (en) | 2022-03-03 | 2022-03-03 | Silencing device of 5G computer server |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114754013A true CN114754013A (en) | 2022-07-15 |
Family
ID=82326306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210208436.4A Pending CN114754013A (en) | 2022-03-03 | 2022-03-03 | Silencing device of 5G computer server |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114754013A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002071820A1 (en) * | 2001-03-05 | 2002-09-12 | Heeseob Park | Soundproofing cabinet with muffler for the noise reduction |
| CN103429026A (en) * | 2013-06-27 | 2013-12-04 | 杭州精尚投资管理有限公司 | High-precision high-safety modularly-designed energy-saving thermostatic server cabinet |
| CN207665404U (en) * | 2017-12-11 | 2018-07-27 | 石家庄泽辰新能源科技有限公司 | A kind of ventilation device of communications equipment room cabinet |
| CN207885099U (en) * | 2018-03-21 | 2018-09-18 | 秦亮 | A kind of good network security cabinet of heat dissipation performance |
| CN209409670U (en) * | 2018-12-18 | 2019-09-20 | 北京金蓝服装有限公司 | A kind of auxiliary radiating device of clothes plotter |
| CN209925268U (en) * | 2019-04-11 | 2020-01-10 | 安徽众汇制冷有限公司 | Silencing rectifier for computer system |
| CN211955807U (en) * | 2020-03-18 | 2020-11-17 | 新疆师范大学 | Novel radar is used in electronic information science device |
| CN212876374U (en) * | 2020-10-22 | 2021-04-02 | 刘艳 | Noise reduction type electrical cabinet |
| CN112804843A (en) * | 2021-02-08 | 2021-05-14 | 国创移动能源创新中心(江苏)有限公司 | Low noise cabinet that charges |
| CN213780885U (en) * | 2020-11-24 | 2021-07-23 | 研华科技(中国)有限公司 | CPU noise reduction radiator for industrial control machine |
| CN214954840U (en) * | 2021-06-10 | 2021-11-30 | 研华科技(中国)有限公司 | Be used for industrial computer dust collector that cools down |
| CN215681835U (en) * | 2021-05-20 | 2022-01-28 | 绿能慧充数字技术有限公司 | Noise-reduction charger |
-
2022
- 2022-03-03 CN CN202210208436.4A patent/CN114754013A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002071820A1 (en) * | 2001-03-05 | 2002-09-12 | Heeseob Park | Soundproofing cabinet with muffler for the noise reduction |
| CN103429026A (en) * | 2013-06-27 | 2013-12-04 | 杭州精尚投资管理有限公司 | High-precision high-safety modularly-designed energy-saving thermostatic server cabinet |
| CN207665404U (en) * | 2017-12-11 | 2018-07-27 | 石家庄泽辰新能源科技有限公司 | A kind of ventilation device of communications equipment room cabinet |
| CN207885099U (en) * | 2018-03-21 | 2018-09-18 | 秦亮 | A kind of good network security cabinet of heat dissipation performance |
| CN209409670U (en) * | 2018-12-18 | 2019-09-20 | 北京金蓝服装有限公司 | A kind of auxiliary radiating device of clothes plotter |
| CN209925268U (en) * | 2019-04-11 | 2020-01-10 | 安徽众汇制冷有限公司 | Silencing rectifier for computer system |
| CN211955807U (en) * | 2020-03-18 | 2020-11-17 | 新疆师范大学 | Novel radar is used in electronic information science device |
| CN212876374U (en) * | 2020-10-22 | 2021-04-02 | 刘艳 | Noise reduction type electrical cabinet |
| CN213780885U (en) * | 2020-11-24 | 2021-07-23 | 研华科技(中国)有限公司 | CPU noise reduction radiator for industrial control machine |
| CN112804843A (en) * | 2021-02-08 | 2021-05-14 | 国创移动能源创新中心(江苏)有限公司 | Low noise cabinet that charges |
| CN215681835U (en) * | 2021-05-20 | 2022-01-28 | 绿能慧充数字技术有限公司 | Noise-reduction charger |
| CN214954840U (en) * | 2021-06-10 | 2021-11-30 | 研华科技(中国)有限公司 | Be used for industrial computer dust collector that cools down |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108667201B (en) | Heat dissipation and noise reduction motor for industrial machine tool | |
| CN114754013A (en) | Silencing device of 5G computer server | |
| CN111456850A (en) | Power supply sound insulation device of diesel generator | |
| CN207048872U (en) | A kind of generator noise abatement system | |
| CN217133640U (en) | Computer noise reduction case | |
| CN210807282U (en) | Server noise control sound structure for electronic computer | |
| CN214035870U (en) | Double-layer mute power supply | |
| CN212061079U (en) | Noise-free computer heat dissipation device special for computer | |
| CN213960486U (en) | Mute cabinet | |
| CN210610158U (en) | Big data server terminal heat abstractor | |
| CN211119709U (en) | Rotor compressor with sound insulation cover | |
| CN208296117U (en) | Blimp and outdoor unit for compressor | |
| CN216408137U (en) | Double-cavity silencer | |
| CN212583962U (en) | Effectual sewage pump switch board gives sound insulation | |
| CN213599657U (en) | Rechargeable portable oxygenerator | |
| CN210532659U (en) | Static pressure box | |
| CN217011421U (en) | Sound absorption structure of variable frequency control cabinet | |
| CN210225974U (en) | Dustproof noise reduction device for electronic communication equipment | |
| CN108286533B (en) | Silencer for air inlet of axial flow fan | |
| CN219225423U (en) | Cabinet with good silencing effect | |
| CN210166699U (en) | Low-noise server easy to dissipate heat | |
| CN210951684U (en) | Noise-reduction environment-friendly integrated cold station | |
| CN214540645U (en) | Noise reduction case of force calculation equipment | |
| CN215486714U (en) | Device for reducing noise of fan | |
| CN217841796U (en) | Silencer of small generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |