CN108901182A - A kind of server radiating case with dust reduction capability - Google Patents
A kind of server radiating case with dust reduction capability Download PDFInfo
- Publication number
- CN108901182A CN108901182A CN201810837931.5A CN201810837931A CN108901182A CN 108901182 A CN108901182 A CN 108901182A CN 201810837931 A CN201810837931 A CN 201810837931A CN 108901182 A CN108901182 A CN 108901182A
- Authority
- CN
- China
- Prior art keywords
- shell
- server
- guide shell
- air
- wall
- 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.)
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Classifications
-
- 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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20736—Forced ventilation of a gaseous coolant within cabinets for removing heat from server blades
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
-
- 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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
-
- 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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of server radiating case with dust reduction capability, belong to server heat sink technical field, dust can enter server internal by ventilation opening when for solving the problem of that the ventilation opening of existing machine box for server is always maintained at normally open and leads to not need heat dissipation influences the service life of server.The present invention, shell including being internally provided with server, enclosure interior lower end is provided with lifting device, lifting device upper end is provided with rotating device, rotating device upper end is provided with guide shell, the upper end of guide shell is connected with cover board after the outer wall of shell, sealing ring is provided between guide shell and shell, partition is provided in guide shell along the vertical direction, guide shell is divided into air intake passage and air-out passage by partition, air intake passage upper end side wall is provided with extraction fan, air-out passage upper end side wall is provided with exhaust fan, air intake passage bottom side of the wall offers several air inlet holes, air-out passage bottom side of the wall offers several exhaust vents.
Description
Technical field
The present invention relates to server heat sink technical fields, more particularly to a kind of service with dust reduction capability
Device heat dissipation tank.
Background technique
Currently, either with people or enterprise, server using more and more common, can be more efficient by server
Auxiliary people work, provide more convenience for people, however, while server is used widely, clothes
It is engaged in also having emerged the shortcomings that device and come out, such as server can generate a large amount of heat in the process of work, especially work as service
It is huge due to workload when the data of device processing are more, the work of server can be made to release more heats, cause to take
The operating ambient temperature of business device constantly increases, and may result in the excessively high server of temperature can not work normally, eventually seriously
Influence server job stability.
Existing machine box for server usually offers opening on shell, adds fan inside housings to increase in shell
Outer air exchange velocity, the heat transfer that server is generated to hull outside realize the heat dissipation to server, but on shell
Opening be always maintained at normally open, cause server to be in off position, dust when not needing to be radiated, in air
Etc. can by opening enter server internal, dust is attached to server internal, influences the service life of server, and dust exists
Under prolonged accumulation, server radiating effect is reduced, it is also necessary to disassembly deashing individually manually be carried out to server.
Also, cold air enters enclosure interior from a certain fixed position, and hot-air is discharged to shell from a certain fixed position
Outside body, cold air being unevenly distributed inside housings is caused, the diffusion velocity of cold air inside housings is slower, to server
Cooling rate it is slow.
Summary of the invention
It is an object of the invention to：It is always maintained at normally open in order to solve the ventilation opening of existing machine box for server, is led
Dust can enter the problem of server internal influences the service life of server, this hair by ventilation opening when causing not needing heat dissipation
It is bright that a kind of server radiating case with dust reduction capability is provided.
The present invention specifically uses following technical scheme to achieve the goals above：
Server radiating case with dust reduction capability of the invention, the shell including being internally provided with server, the shell
Body interior lower end is provided with lifting device, and the lifting device upper end is provided with rotating device, the rotating device upper end setting
There is guide shell, the upper end of the guide shell is connected with cover board after the outer wall of shell, is arranged between the guide shell and shell
There is sealing ring, be provided with partition in the guide shell along the vertical direction, guide shell is divided into air intake passage and gone out by the partition
Wind channel, air intake passage upper end side wall are provided with extraction fan, and air-out passage upper end side wall is provided with exhaust fan, described
Air intake passage bottom side of the wall offers several air inlet holes, and the air-out passage bottom side of the wall offers several exhaust vents.
It is further preferred that the lifting device includes hydraulic cylinder and lifter plate, the telescopic shaft of the hydraulic cylinder and lifting
Plate is connected with each other, and the lifter plate upper end and rotating device are connected with each other.
It is further preferred that the rotating device includes servo motor and swivel plate, the servo motor and swivel plate
Lower end is connected with each other, and the upper end of the swivel plate and guide shell are connected with each other.
It is further preferred that the inner wall of the shell is additionally provided with puigging, the material of the puigging is acoustical cotton.
It is further preferred that guide shell upper end outer wall is additionally provided with protective net, the protective net is located at outside extraction fan
Side.
It is further preferred that filter screen is additionally provided between the protective net and extraction fan, the protective net and filter screen
Between be provided with deashing chamber, deashing chamber upper end is provided with tooth plate, and the tooth plate is engaged with driving wheel, the driving wheel connection
There is driving device, the lower end of the tooth plate is connected with hairbrush, and the lower end of the deashing chamber is provided with the collecting box of upper end opening.
It is further preferred that the driving device is driving motor, driving wheel is set in the rotary shaft of driving motor.
It is further preferred that the outer wall of the air intake passage, which is additionally provided with, is hinged with baffle, the baffle is collected with being located at
The outside of case.
It is further preferred that the bottom side of the wall of the guide shell (4) is additionally provided with multiple paddles (16).
Beneficial effects of the present invention are as follows：
1, guide shell lower end of the invention is provided with lifting device, when server is in running order, passes through hydraulic cylinder
Guide shell is moved up, extraction fan and exhaust fan and the air of hull outside is made to be interconnected, by extraction fan by external cold sky
Gas enters enclosure interior by inlet channel, and then the hot-air of enclosure interior is discharged to by exhaust fan by outlet passageway
Hull outside realizes that the hot-air of enclosure interior is swapped with external cold air, realizes dissipating for the server of enclosure interior
Heat, and when not needing heat dissipation, guide shell declines under the action of lifting device, and extraction fan and exhaust fan are located in shell
Portion realizes that guide shell and shell keep integral sealing, and the dust outside shell will not enter enclosure interior and cause shadow to server
It rings.
2, the upper end of lifting device is provided with the rotating device for driving guide shell to rotate, in the course of work that radiates,
Servo motor work drives guide shell can not stall, and several air inlets that the side wall of the air inlet of guide shell offers do circumference fortune
It is dynamic, when cold air being made to enter enclosure interior from inlet channel, the intracorporal multiple angle positions of shell can be directly reached, are passed through simultaneously
The paddle of guide shell lower end setting accelerates the speed air flow of enclosure interior, improves the radiating rate of server.
3, it is provided with protection on the outside of extraction fan to put, the bulky grain sundries in air is avoided to enter in extraction fan to wind
Fan impacts, and is entered in air intake passage by the sundries of fan, is resulted in blockage to air inlet hole.
4, it is provided with filter screen between protective net and extraction fan, extraction fan is filtered from the wind that hull outside is taken out,
Dust is stopped on the outside of filter screen, deashing chamber is reserved between filter screen and protective net, the upper end of deashing chamber is provided with tooth plate,
Tooth plate is located in cover board, and cover board is provided with the sliding slot that tooth plate moves up and down, and tooth plate lower end is connected with hairbrush, and hairbrush will filter
The dust in net outside is cleared up and is fallen in the collecting box of lower section, and the outer wall of guide shell is hinged with baffle, for taking out collecting box,
Dust in collecting box is handled.
5, it is provided with puigging on the inner wall of the housing, effectively reduces the noise transmission that service generates and is caused to hull outside
Noise pollution.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the enlarged structure schematic diagram at A；
Fig. 3 is the mesh schematic representation of tooth plate；
Fig. 4 is the enlarged diagram at extraction fan；
Appended drawing reference：1- shell, 2- server, 3- lifting device, 301- hydraulic cylinder, 3011- telescopic shaft, 302- lifting
Plate, 4- guide shell, 401- air intake passage, 4011- air inlet hole, 4012- extraction fan, 402- air-out passage, 4021- exhaust vent,
4022- exhaust fan, 5- partition, 6- collecting box, 601- baffle, 7- protective net, 8- deashing chamber, 801- hairbrush, 802- tooth plate, 9- mistake
Strainer, 10- driving wheel, 11- driving device, 1101- driving motor, 1102- rotary shaft, 12- cover board, 13- rotating device, 131-
Servo motor, 132- swivel plate, 14- sealing ring, 15- puigging, 16- paddle.
Specific embodiment
In order to which those skilled in the art better understand the present invention, with reference to the accompanying drawing with following embodiment to the present invention
It is described in further detail.
As shown in Fig. 1,2 heat dissipation tank of server with dust reduction capability of the invention, including it is internally provided with server 2
Shell 1,1 interior lower end of shell is provided with lifting device 3, and 3 upper end of lifting device is provided with rotating device 13, institute
It states 13 upper end of rotating device and is provided with guide shell 4, the upper end of the guide shell 4 is connected with cover board 12 after the outer wall of shell 1,
It is provided with sealing ring 14 between the guide shell 4 and shell 1, is provided with partition 5 in the guide shell 4 along the vertical direction, it is described
Guide shell 4 is divided into air intake passage 401 and air-out passage 402 by partition 5, and the 401 upper end side wall of air intake passage is provided with pumping
Fan 4012, the 402 upper end side wall of air-out passage are provided with exhaust fan 4022, and 401 bottom side of the wall of air intake passage opens up
There are several air inlet holes 4011,402 bottom side of the wall of air-out passage offers several exhaust vents 4021.
In the embodiment, guide shell 4 is internally provided with partition 5, and guide shell 4 is divided into inlet channel and outlet by partition 5
Channel interconnects inlet channel and the airborne phase inside shell 1 if the bottom side of the wall in inlet channel offers right air inlet
Logical, the cold air in inlet channel is able to enter inside shell 1, similarly, is offered in the bottom side of the wall of outlet passageway several
The inside of shell 1 and outlet passageway are interconnected by venthole, venthole, the hot-air inside shell 1 can by venthole into
Enter to outlet passageway and is discharged to 1 outer wall of shell.Lifting device 3 is provided with below guide shell 4, when server 2 is in running order
When, guide shell 4 is moved up by hydraulic cylinder 301, keeps extraction fan 4012 and exhaust fan 4022 mutual with the air outside shell 1
Connection；And when not needing heat dissipation, guide shell 4 declines under the action of lifting device 3, extraction fan 4012 and exhaust fan 4022
Inside shell 1, realize that guide shell 4 and shell 1 keep integral sealing, the dust outside shell 1 will not enter inside shell 1
Server 2 is impacted.
Be additionally provided with rotating device 13 between lifting device 3 and guide shell 4, radiate work when, rotating device 13 is watched
It takes motor 131 and is constantly in working condition, servo motor 131 drives swivel plate 132 to rotate, and swivel plate 132 drives 4 turns of guide shell
Dynamic, several air inlets that the side wall of the air inlet of guide shell 4 offers move in a circle, by extraction fan 4012 by external cold sky
Gas is entered inside shell 1 by inlet channel, can directly reach multiple angle positions in shell 1, then inside shell 1
Hot-air is discharged to outside shell 1 by exhaust fan 4022 by outlet passageway, realizes the hot-air inside shell 1 and outside
Cold air swaps, and realizes the heat dissipation of the server 2 inside shell 1, while the paddle 16 being arranged by 4 lower end of guide shell
Accelerate the speed air flow inside shell 1, improves the radiating rate of server 2.
Embodiment 2
The present embodiment is that advanced optimizing of making on the basis of embodiment 1 is as follows：The lifting device 3 includes hydraulic cylinder
301 and lifter plate 302, the telescopic shaft 3011 and lifter plate 302 of the hydraulic cylinder 301 are connected with each other, 302 upper end of lifter plate
It is connected with each other with rotating device 13.
After the technical solution, as a preferred mode, stable lifting is provided to guide shell 4.
Embodiment 3
The present embodiment is that advanced optimizing of making on the basis of embodiment 1 is as follows：The rotating device 13 includes servo
Motor 131 and swivel plate 132, the servo motor 131 and the lower end of swivel plate 132 are connected with each other, the swivel plate 132 it is upper
End is connected with each other with guide shell 4.
After being scheme using the machine, the upper end of lifting device 3 is provided with the rotation dress for driving guide shell 4 to rotate
It sets, in the course of work that radiates, servo motor 131 works, and drives guide shell 4 can not stall, the side wall of the air inlet of guide shell 4 opens up
Several air inlets having move in a circle, and when cold air being made to enter 1 inside of shell from inlet channel, can directly reach shell 1
Interior multiple angle positions, while the air inside shell 1 is accelerated by the paddle 16 that 4 lower end of guide shell is arranged and flows speed
Degree improves the radiating rate of server 2.
Embodiment 4
The present embodiment is that advanced optimizing of making on the basis of embodiment 1 is as follows：The inner wall of the shell 1 is additionally provided with
Puigging 15, the material of the puigging 15 are acoustical cotton.
After the technical solution, effectively reduces the noise transmission that service generates and cause noise dirty to 1 outside of shell
Dye.
Embodiment 5
The present embodiment is that advanced optimizing of making on the basis of embodiment 1 is as follows：The 4 upper end outer wall of guide shell is also set
It is equipped with protective net 7, the protective net 7 is located at 4012 outside of extraction fan.
After the technical solution, the outside of extraction fan 4012 is provided with protection and puts, avoids the bulky grain in air miscellaneous
Object is entered in extraction fan 4012 and is impacted to fan, is entered in air intake passage 401 by the sundries of fan, to air inlet hole
4011 result in blockage.
Embodiment 6
Advanced optimizing for making on the basis of the tangible embodiment 5 of the present embodiment is as follows：The protective net 7 and extraction fan 4012
Between be additionally provided with filter screen 9, be provided with deashing chamber 8 between the protective net 7 and filter screen 9,8 upper end of the deashing chamber setting
There is tooth plate 802, the tooth plate 802 is engaged with driving wheel 10, and the driving wheel 10 is connected with driving device 11, the tooth plate 802
Lower end be connected with hairbrush 801, the lower end of the deashing chamber 8 is provided with the collecting box 6 of upper end opening.
After the technical solution, filter screen 9 is provided between protective net 7 and extraction fan 4012, by extraction fan 4012
The wind taken out outside shell 1 is filtered, and dust is stopped to 9 outside of filter screen, is reserved between filter screen 9 and protective net 7
Deashing chamber 8, the upper end of deashing chamber 8 are provided with tooth plate 802, and tooth plate 802 is located in cover board 12, and cover board 12 is provided with tooth plate
802 sliding slots moved up and down, 802 lower end of tooth plate are connected with hairbrush 801, and the dust in 9 outside of filter screen is cleared up and fallen by hairbrush 801
It falls in the collecting box 6 of lower section, the outer wall of guide shell 4 is hinged with baffle 601, for taking out collecting box 6, in collecting box 6
Dust is handled.
Embodiment 7
The present embodiment is that advanced optimizing of making on the basis of embodiment 5 is as follows：The driving device 11 is driving electricity
Machine 1101, driving wheel 10 are set in the rotary shaft 1102 of driving motor 1101；The outer wall of the air intake passage 401 is additionally provided with
It is hinged with baffle 601, the baffle 601 and the outside for being located at collecting box 6.
After the technical solution, as a preferred mode, driving driving wheel 10 is moved up and down with moving tooth plate 802,
The dust adhered on the outer wall of filter screen 9 is handled, the dust of processing is fallen in the collecting box 6 of lower section, by hinged
There is baffle 601, then by being elevated to certain altitude, hinged baffle 601 is located at 1 exterior space of shell, opens hinged gear
Plate 601 takes out collecting box 6, handles the dust in collecting box 6.
The above, only presently preferred embodiments of the present invention, are not intended to limit the invention, patent protection model of the invention
It encloses and is subject to claims, it is all to change with equivalent structure made by specification and accompanying drawing content of the invention, similarly
It should be included within the scope of the present invention.
Claims (9)
1. a kind of server radiating case with dust reduction capability, the shell (1) including being internally provided with server (2), feature
It is, shell (1) interior lower end is provided with lifting device (3), and lifting device (3) upper end is provided with rotating device
(13), rotating device (13) upper end is provided with guide shell (4), and the upper end of the guide shell (4) passes through the outer wall of shell (1)
After be connected with cover board (12), be provided with sealing ring (14) between the guide shell (4) and shell (1), the interior edge of the guide shell (4)
Vertical direction is provided with partition (5), and guide shell (4) is divided into air intake passage (401) and air-out passage by the partition (5)
(402), air intake passage (401) upper end side wall is provided with extraction fan (4012), and air-out passage (402) upper end side wall is set
It is equipped with exhaust fan (4022), air intake passage (401) bottom side of the wall offers several air inlet holes (4011), the air-out passage
(402) bottom side of the wall offers several exhaust vents (4021).
2. the server radiating case according to claim 1 with dust reduction capability, which is characterized in that the lifting device
It (3) include hydraulic cylinder (301) and lifter plate (302), telescopic shaft (3011) and lifter plate (302) phase of the hydraulic cylinder (301)
It connects, lifter plate (302) upper end and rotating device (13) are connected with each other.
3. the server radiating case according to claim 1 with dust reduction capability, which is characterized in that the rotating device
It (13) include servo motor (131) and swivel plate (132), the servo motor (131) and the lower end of swivel plate (132) mutually interconnect
It connects, the upper end and guide shell (4) of the swivel plate (132) are connected with each other.
4. the server radiating case according to claim 1 with dust reduction capability, which is characterized in that the shell (1)
Inner wall is additionally provided with puigging (15), and the material of the puigging (15) is acoustical cotton.
5. the server radiating case according to claim 1 with dust reduction capability, which is characterized in that the guide shell (4)
Upper end outer wall is additionally provided with protective net (7), and the protective net (7) is located on the outside of extraction fan (4012).
6. the server radiating case according to claim 5 with dust reduction capability, which is characterized in that the protective net (7)
It is additionally provided between extraction fan (4012) filter screen (9), is provided with deashing chamber between the protective net (7) and filter screen (9)
(8), deashing chamber (8) upper end is provided with tooth plate (802), and the tooth plate (802) is engaged with driving wheel (10), the driving wheel
(10) it is connected with driving device (11), the lower end of the tooth plate (802) is connected with hairbrush (801), the lower end of the deashing chamber (8)
It is provided with the collecting box (6) of upper end opening.
7. the server radiating case according to claim 6 with dust reduction capability, which is characterized in that the driving device
It (11) is driving motor (1101) that driving wheel (10) is set in the rotary shaft (1102) of driving motor (1101).
8. the server radiating case according to claim 5 with dust reduction capability, which is characterized in that the air intake passage
(401) outer wall, which is additionally provided with, to be hinged with baffle (601), the baffle (601) and the outside for being located at collecting box (6).
9. the server radiating case according to claim 1 with dust reduction capability, which is characterized in that the guide shell (4)
Bottom side of the wall be additionally provided with multiple paddles (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837931.5A CN108901182A (en) | 2018-07-26 | 2018-07-26 | A kind of server radiating case with dust reduction capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810837931.5A CN108901182A (en) | 2018-07-26 | 2018-07-26 | A kind of server radiating case with dust reduction capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108901182A true CN108901182A (en) | 2018-11-27 |
Family
ID=64352130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810837931.5A Withdrawn CN108901182A (en) | 2018-07-26 | 2018-07-26 | A kind of server radiating case with dust reduction capability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108901182A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951939A (en) * | 2019-04-24 | 2019-06-28 | 伟通工业设备（江苏）有限公司 | Multilayer pod and its UV curing anti fogging paint line dust-extraction unit |
| CN110843464A (en) * | 2019-12-13 | 2020-02-28 | 山东农博机械设备有限公司 | Agricultural machinery air conditioner all-in-one |
| CN111520047A (en) * | 2020-05-07 | 2020-08-11 | 李静 | Sound-insulation ventilating window |
| CN111970878A (en) * | 2020-09-09 | 2020-11-20 | 濮阳市立圆汽车电器有限公司 | Dustproof effectual on-vehicle dc-to-ac converter and dustproof construction |
| CN112984682A (en) * | 2021-03-31 | 2021-06-18 | 浙江强盛医用工程有限公司 | Construction method of ventilation device for operating room gas purification |
| CN113325937A (en) * | 2021-08-03 | 2021-08-31 | 山东北工大产业园管理有限公司 | Server for industrial park information management and control equipment thereof |
| CN114924625A (en) * | 2022-05-25 | 2022-08-19 | 深圳市万桥技术有限公司 | Server device for data transmission of contact center |
-
2018
- 2018-07-26 CN CN201810837931.5A patent/CN108901182A/en not_active Withdrawn
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951939A (en) * | 2019-04-24 | 2019-06-28 | 伟通工业设备（江苏）有限公司 | Multilayer pod and its UV curing anti fogging paint line dust-extraction unit |
| CN109951939B (en) * | 2019-04-24 | 2024-03-08 | 伟通工业设备（江苏）有限公司 | Multilayer kuppe and UV solidification antifog dust collector for coating line thereof |
| CN110843464A (en) * | 2019-12-13 | 2020-02-28 | 山东农博机械设备有限公司 | Agricultural machinery air conditioner all-in-one |
| CN111520047A (en) * | 2020-05-07 | 2020-08-11 | 李静 | Sound-insulation ventilating window |
| CN111520047B (en) * | 2020-05-07 | 2021-09-14 | 浙江东建幕墙工程有限公司 | Sound-insulation ventilating window |
| CN111970878A (en) * | 2020-09-09 | 2020-11-20 | 濮阳市立圆汽车电器有限公司 | Dustproof effectual on-vehicle dc-to-ac converter and dustproof construction |
| CN111970878B (en) * | 2020-09-09 | 2021-06-11 | 濮阳市立圆汽车电器有限公司 | Vehicle-mounted inverter with dustproof structure |
| CN112984682A (en) * | 2021-03-31 | 2021-06-18 | 浙江强盛医用工程有限公司 | Construction method of ventilation device for operating room gas purification |
| CN113325937A (en) * | 2021-08-03 | 2021-08-31 | 山东北工大产业园管理有限公司 | Server for industrial park information management and control equipment thereof |
| CN113325937B (en) * | 2021-08-03 | 2021-10-26 | 山东北工大产业园管理有限公司 | Server for industrial park information management and control equipment thereof |
| CN114924625A (en) * | 2022-05-25 | 2022-08-19 | 深圳市万桥技术有限公司 | Server device for data transmission of contact center |
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