CN113824002B - Ventilation and dust filtration assembly of power switch cabinet - Google Patents
Ventilation and dust filtration assembly of power switch cabinet Download PDFInfo
- Publication number
- CN113824002B CN113824002B CN202110933119.4A CN202110933119A CN113824002B CN 113824002 B CN113824002 B CN 113824002B CN 202110933119 A CN202110933119 A CN 202110933119A CN 113824002 B CN113824002 B CN 113824002B
- Authority
- CN
- China
- Prior art keywords
- power switch
- switch cabinet
- dust
- cabinet body
- fixedly connected
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
The invention discloses a ventilation dust filtering component of a power switch cabinet, which comprises a power switch cabinet body, wherein a support leg for supporting the power switch cabinet body is arranged at the bottom of the power switch cabinet body, the dust can not be prevented from entering when the cabinet door is opened through the arranged switching dust filtering component, dust can be timely removed when the dust appears in the power switch cabinet body, the problem that the use of an electrical element is affected by the entering of external dust when the cabinet door is opened by the existing power switch cabinet body is avoided, and the problem that the use efficiency of the electrical element is low due to the fact that dust is easy to accumulate in the power switch cabinet body in the long-term use process is solved, so that the dust can be blocked outside from the root, the dust in the cabinet door can be automatically cleaned, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of ventilation and dust filtration, in particular to a ventilation and dust filtration assembly of a power switch cabinet.
Background
The power distribution cabinet is an important part in the power system, is mainly used for controlling and managing the power system, and has very high protection requirement due to the electrified specificity.
But in the in-process that ventilates just involves communicating with external environment, communicate with external environment after, dust or winged insect in the external environment easily gets into power switch cabinet with through ventilation system, if again absorb moisture in the air after being covered by dust, the time to partly naked components and parts corrode, can lead to the degree of insulation to reduce for a long time, short circuit, trouble such as ground connection, perhaps even lead to the danger of electric shock, and too much dust cover, can lead to electrostatic current too high under the moist condition of air, thereby also there is the danger of being electrocuted when the operation, and too much dust cover produces the corrosive action to the case components and parts, also can shorten the life of components and parts greatly, under the condition that runs into electric power and breaks down, need overhaul its inside, use advancing device to change, the time that needs to overhaul during this period is longer, the cabinet door also opens for a long time correspondingly, easily lead to external dust to get into power switch cabinet, directly attach to power components and parts, however, current dust filter device is only used for the inside the power switch cabinet, can not normally carry out the dust removal to the power switch cabinet, it is normally used for the ventilation assembly, therefore, the ventilation assembly is used for the dust filter.
Disclosure of Invention
The invention aims to provide a ventilation and dust filtering assembly of a power switch cabinet, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a power switch cabinet ventilation dust filtering assembly, includes the power switch cabinet body, be provided with on the power switch cabinet body and be used for to the cabinet door, the bottom of power switch cabinet body is provided with the supporting leg that is used for carrying out the support to the power switch cabinet body, be provided with on the cabinet door and be used for can carrying out dust treatment and can realize avoiding preventing in changing the electrical apparatus original paper that the dust gets into this internal inside and outside switching deashing ventilation assembly of power switch cabinet, can avoid not only that the dust piles up on the electrical apparatus original paper through the deashing ventilation assembly that sets up, can also be with it in the in-process reduction dust of opening the cabinet door get into the power switch cabinet body, improve the life of power switch cabinet body.
Preferably, the inside and outside switching deashing ventilation subassembly includes the spliced pole of multiunit installation on the cabinet door, fixedly connected with installing frame on the spliced pole, be provided with the driving piece on the installing frame, fixedly connected with can change the interlock piece of angle on the driving piece, be provided with the absorbing member that is used for handling the dust of covering on electrical component in the power switch cabinet body on the intermediate position of interlock piece, can effectually prevent through the inside and outside deashing ventilation subassembly of setting that the dust from getting into in the power switch cabinet body, not only can reduce the time of user's clearance, can also reduce the entering of dust from the root.
Preferably, the driving piece is including installing the motor on the installing frame, the output fixedly connected with driving gear of motor, the equal fixedly connected with driven gear of installing frame, the outer wall kernel of driving gear is connected with the gear area, the outer wall meshing of gear area is connected on driven gear, fixedly connected with is used for effectively reducing the interlock piece that the dust got into in the power switch cabinet body on the driven gear, can provide power for its deashing through the driving piece that sets up.
Preferably, the interlock piece includes the fixed column through bearing movable mounting in installing frame one side, on fixed column fixed connection driven gear, the one end of keeping away from driven gear of fixed column is through bearing swing joint has the rolling disc, the fixed column passes the first connecting rod of rolling disc fixedly connected with, the one end swing joint that the rolling disc was kept away from to first connecting rod has the spliced pole, the spliced pole has the fly leaf through bearing swing joint, one side fixedly connected with second connecting rod that is close to first connecting rod is kept away from to the fly leaf, equal fixedly connected with fan on the fly leaf can be simultaneously to the effect of ventilation dust filtration in the power switch cabinet body through the interlock piece of setting.
Preferably, the absorbing member comprises a mounting cylinder arranged on a cabinet door, an absorbing fan is fixedly connected in the mounting cylinder, one side, close to the absorbing fan, of the mounting cylinder is fixedly connected with, one side, far away from the filter screen, of the mounting cylinder is connected with a dust recycling cylinder in a threaded manner, a plurality of groups of absorbing ports are arranged on the dust recycling cylinder, and dust in the electric switch cabinet body can be cleaned and recycled through the arranged absorbing member.
Preferably, the absorbing openings are provided with guide openings and are distributed, and the range of absorbing dust can be wider by arranging the guide openings in an equi-distributed state.
Preferably, the diameter of the driving gear is larger than that of the driven gear, and the gear belt can roll more tightly by setting that the diameter of the driving gear is larger than that of the driven gear.
Preferably, the movable plate is arranged in a ring shape, and the movable plate can be used once through the arranged ring shape, so that the occupied area is reduced, and the movable plate can be moved conveniently.
Preferably, the rotating disc is provided with a groove, a belt is arranged between the groove and the connecting column, the diameter of the rotating disc is larger than that of the connecting column, and the movable plate can move more tightly in use through the arranged belt.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the dust can not be prevented from entering when the cabinet door is opened by the switching dust removing component, dust can be removed from the cabinet door in time when the dust appears in the cabinet body, the problem that the use of an electric appliance element is affected by the external dust entering when the cabinet door is opened by the existing cabinet body is avoided, and the problem that the use efficiency of the electric appliance element is low due to the fact that dust is easy to deposit in the cabinet door in the long-term use process is solved, so that the dust can be blocked outside fundamentally, meanwhile, the dust in the cabinet can be automatically cleaned, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall opening cabinet door of the present invention;
FIG. 3 is a schematic view of the structure of the cabinet door of the present invention;
FIG. 4 is a schematic diagram of a part of an explosion structure of the inside-outside switching ash removal ventilation assembly of the invention;
FIG. 5 is a schematic view of another angular part explosion structure of the inside-outside switching ash removal ventilation assembly of the present invention;
FIG. 6 is a schematic view of a partially exploded construction of an absorbent article of the present invention;
fig. 7 is an enlarged schematic view of the structure of fig. 4 a according to the present invention.
In the figure: 1-a power switch cabinet body; 2-a cabinet door; 3-supporting legs; 4-inside-outside switching ash removal ventilation assembly; a 5-connecting column; 6-mounting a frame; 7-a driving member; 8-linkage; 9-an absorbent member; 10-an electric motor; 11-a drive gear; 12-driven gear; 13-a gear belt; 14-fixing the column; 15-rotating a disc; 16-a first link; 17-a movable plate; 18-a second link; 19-a fan; 20-mounting a barrel; 21-an absorption fan; 22-a filter screen; 23-a dust recovery cylinder; 24-absorbing mouth; 25-a diversion port; 26-groove; 27-belt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a power switch cabinet ventilation dust filtering subassembly, includes power switch cabinet body 1, be provided with on the power switch cabinet body 1 and be used for to cabinet door 2, the bottom of power switch cabinet body 1 is provided with the supporting leg 3 that is used for carrying out the support to power switch cabinet body 1, be provided with on cabinet door 2 and be used for can carrying out dust treatment and can realize preventing in changing the electrical apparatus original paper that the dust from getting into the inside and outside switching ash removal ventilation assembly 4 in the power switch cabinet body 1, when clearing up the inside electrical apparatus component of power switch cabinet body 1, open the back with cabinet door 2, make the dust in the external environment get into in the power switch cabinet body easily, the ash removal ventilation assembly of setting not only can avoid the dust to pile up on the electrical apparatus original paper, can also reduce the entering power switch cabinet body 1 of dust with it at the in-process of opening cabinet door 2, improve the life of power switch cabinet body 1.
The inside and outside switching deashing ventilation module 4 includes the spliced pole 5 of multiunit installation on cabinet door 2, fixedly connected with installing frame 6 on the spliced pole 5, be provided with driving piece 7 on the installing frame 6, fixedly connected with can change interlock spare 8 of angle on the driving piece 7, be provided with on the intermediate position of interlock spare 8 and be used for the cover in the power switch cabinet body 1 to carry out the absorbing member 9 that handles on electrical components dust, driving piece 7 on installing frame 6 drive interlock spare 8 makes it can start driving piece 7 when cabinet door 2 opens, makes its operation, and the effectual dust that prevents gets into in the power switch cabinet body 1 after cabinet door 2 opens, and when the absorbing member 9 of setting can make its inside appear dust, starts to clear up inside dust and absorbs the clearance effect.
The driving piece 7 is including installing motor 10 on the installing frame 6, the output fixedly connected with driving gear 11 of motor 10, the equal fixedly connected with driven gear 12 of installing frame 6, the outer wall kernel of driving gear 11 is connected with gear belt 13, the outer wall meshing of gear belt 13 is connected on driven gear 12, fixedly connected with is used for effectively reducing the interlock 8 that the dust got into in the power switch cabinet body 1 on the driven gear 12, and motor 10 starts and drives driving gear 11 and rotate, and driving gear 11 makes gear belt 13 and driven gear 12 all rotate to drive interlock 8 work, make it provide power.
The linkage piece 8 includes the fixed column 14 through bearing movable mounting in 6 one side of installing frame, on fixed column 14 fixed connection driven gear 12, the one end that keeps away from driven gear 12 of fixed column 14 has rolling disc 15 through bearing movable connection, fixed column 14 passes rolling disc 15 fixedly connected with first connecting rod 16, the one end swing joint that rolling disc 15 was kept away from to first connecting rod 16 has spliced pole 5, spliced pole 5 has fly leaf 17 through bearing movable connection, one side fixedly connected with second connecting rod 18 that first connecting rod 16 was kept away from to fly leaf 17, all fixedly connected with fan 19 on fly leaf 17, driven gear 12 rotates and drives fixed column 14 rotation, drives rolling disc 15 rotation, and the first connecting rod 16 on rolling disc 15 promotes fly leaf 17 forward, makes it outwards extend to make the fan 19 of installing on fly leaf 17 can all carry out the deashing effect in same region, enlarges the area of deashing, prevents that the dust from getting into in the electric switch cabinet body 1.
The absorbing piece 9 comprises a mounting barrel 20 mounted on the cabinet door 2, an absorbing fan 21 is fixedly connected in the mounting barrel 20, a filter screen 22 is fixedly connected to one side, close to the absorbing fan 21, of the mounting barrel 20, a dust recycling barrel 23 is connected to one side, far away from the filter screen 22, of the mounting barrel 20 in a threaded manner, a plurality of groups of absorbing ports 24 are arranged on the dust recycling barrel 23, the absorbing fan 21 is started, the absorbing fan 21 rotates, the arranged filter screen 22 can block dust on the outer side of the absorbing fan 21, dust enters the dust collecting barrel through the absorbing ports 24, and the workload of electric power staff for cleaning the dust is reduced regularly.
The absorbing ports 24 are provided with the diversion ports 25 and are distributed, and the dust absorbing range of the absorbing ports 24 can be wider by arranging the absorbing ports 24 in a distributed state, so that dust attached to electrical elements can be absorbed into the absorbing ports 24 as much as possible.
The diameter of the driving gear 11 is larger than that of the driven gear 12, and the driving gear 11 is larger than that of the driven gear 12, so that the gear belt 13 is connected with the driven gear 12 more tightly, and the driving gear 11 is linked more tightly.
The movable plate 17 is arranged in a ring shape, and the arranged ring shape can enable the movable plate to reduce occupied area and facilitate movement after being used once.
The rotating disc 15 is provided with the groove 26, a belt 27 is arranged between the groove 26 and the connecting column 5, the diameter of the rotating disc 15 is larger than that of the connecting column 5, and the belt 27 can enable the connectivity between the rotating disc 15 and the connecting column 5 to be more close, so that the movable plate 17 can move more flexibly in use.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a dust subassembly is strained in power switch cabinet ventilation, includes power switch cabinet body (1), be provided with on power switch cabinet body (1) and be used for to cabinet door (2), the bottom of power switch cabinet body (1) is provided with supporting leg (3) that are used for supporting power switch cabinet body (1), its characterized in that: the cabinet door (2) is provided with an inside and outside switching ash removal ventilation assembly (4) which can be used for carrying out dust treatment in the electric power switch cabinet body (1) and can prevent dust from entering the electric power switch cabinet body (1) in replacement of an electric appliance original paper, the inside and outside switching ash removal ventilation assembly (4) comprises a plurality of groups of connecting columns (5) which are arranged on the cabinet door (2), the connecting columns (5) are fixedly connected with a mounting frame (6), the mounting frame (6) is provided with a driving piece (7), the driving piece (7) is fixedly connected with a linkage piece (8) which can change angles, the middle position of the linkage piece (8) is provided with an absorbing piece (9) which can be used for carrying out dust treatment on the electric appliance element in a covering manner in the electric power switch cabinet body (1), the driving piece (7) comprises a motor (10) which is arranged on the mounting frame (6), the output end of the motor (10) is fixedly connected with a driving gear (11), the mounting frame (6) is fixedly connected with a driven gear (12), the driving gear (11) is fixedly connected with a driven gear (12), the driven gear (12) is meshed with the inner wall (13) of the electric power switch cabinet, the driven gear (13) is meshed with the inner wall (13), the utility model provides a dust recycling device, including installing frame (6) one side, interlock spare (8) are including fixed column (14) through bearing movable mounting, on fixed column (14) fixed connection driven gear (12), the one end that keeps away from driven gear (12) of fixed column (14) is through bearing movable connection has rolling disc (15), fixed column (14) pass rolling disc (15) fixedly connected with first connecting rod (16), the one end swing joint that rolling disc (15) was kept away from to first connecting rod (16) has spliced pole (5), spliced pole (5) have fly leaf (17) through bearing movable connection, one side fixedly connected with second connecting rod (18) that is close to first connecting rod (16) are kept away from to fly leaf (17), equal fixedly connected with fan (19) on fly leaf (17), install section of thick bamboo (20) including installing on cabinet door (2) are absorbed fan (21) to the one end of fixed column (14), one side fixedly connected with spliced pole (22) that is close to absorption fan (21) in install section of thick bamboo (20), filter screen (22) are kept away from on one side of dust recycling device (23) is kept away from to filter screen (24).
2. A power switch cabinet ventilation dust filtration assembly as claimed in claim 1, wherein: the absorption ports (24) are provided with diversion ports (25) and are distributed.
3. A power switch cabinet ventilation dust filtration assembly as claimed in claim 2, wherein: the diameter of the driving gear (11) is larger than that of the driven gear (12).
4. A power switch cabinet ventilation dust filtration assembly according to claim 3, wherein: the movable plate (17) is arranged in a ring shape.
5. A power switch cabinet ventilation and dust filtration assembly as claimed in claim 4 wherein: the rotating disc (15) is provided with a groove (26), a belt (27) is arranged between the groove (26) and the connecting column (5), and the diameter of the rotating disc (15) is larger than that of the connecting column (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110933119.4A CN113824002B (en) | 2021-08-13 | 2021-08-13 | Ventilation and dust filtration assembly of power switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110933119.4A CN113824002B (en) | 2021-08-13 | 2021-08-13 | Ventilation and dust filtration assembly of power switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113824002A CN113824002A (en) | 2021-12-21 |
| CN113824002B true CN113824002B (en) | 2023-08-15 |
Family
ID=78922936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110933119.4A Active CN113824002B (en) | 2021-08-13 | 2021-08-13 | Ventilation and dust filtration assembly of power switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113824002B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102300443A (en) * | 2010-06-28 | 2011-12-28 | 鸿富锦精密工业（深圳）有限公司 | Server cabinet |
| CN109616894A (en) * | 2018-12-25 | 2019-04-12 | 芜湖金牛电气股份有限公司 | Electrical cabinet |
| CN210040910U (en) * | 2019-08-02 | 2020-02-07 | 西安新合电器设备有限公司 | Frequency conversion starting cabinet |
| CN210245971U (en) * | 2019-07-18 | 2020-04-03 | 浙江雄鹰通信电力器材有限公司 | Dustproof electric power cabinet for electric power communication |
| CN211829690U (en) * | 2020-05-21 | 2020-10-30 | 栗刚 | Electromechanical automation switch board |
| CN111952848A (en) * | 2020-09-06 | 2020-11-17 | 宋玉龙 | Outdoor high-low voltage power distribution cabinet |
| CN212278562U (en) * | 2020-06-02 | 2021-01-01 | 湖州挺创技术经纪有限公司 | Electrical control cabinet with multistage dust collector |
| CN212991632U (en) * | 2020-07-22 | 2021-04-16 | 高肖静 | Dustproof electric power cabinet of electric power |
| CN112968360A (en) * | 2021-02-04 | 2021-06-15 | 浙江英宏迪电气科技股份有限公司 | Take dampproofing cubical switchboard of pressure-fired |
-
2021
- 2021-08-13 CN CN202110933119.4A patent/CN113824002B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102300443A (en) * | 2010-06-28 | 2011-12-28 | 鸿富锦精密工业（深圳）有限公司 | Server cabinet |
| CN109616894A (en) * | 2018-12-25 | 2019-04-12 | 芜湖金牛电气股份有限公司 | Electrical cabinet |
| CN210245971U (en) * | 2019-07-18 | 2020-04-03 | 浙江雄鹰通信电力器材有限公司 | Dustproof electric power cabinet for electric power communication |
| CN210040910U (en) * | 2019-08-02 | 2020-02-07 | 西安新合电器设备有限公司 | Frequency conversion starting cabinet |
| CN211829690U (en) * | 2020-05-21 | 2020-10-30 | 栗刚 | Electromechanical automation switch board |
| CN212278562U (en) * | 2020-06-02 | 2021-01-01 | 湖州挺创技术经纪有限公司 | Electrical control cabinet with multistage dust collector |
| CN212991632U (en) * | 2020-07-22 | 2021-04-16 | 高肖静 | Dustproof electric power cabinet of electric power |
| CN111952848A (en) * | 2020-09-06 | 2020-11-17 | 宋玉龙 | Outdoor high-low voltage power distribution cabinet |
| CN112968360A (en) * | 2021-02-04 | 2021-06-15 | 浙江英宏迪电气科技股份有限公司 | Take dampproofing cubical switchboard of pressure-fired |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113824002A (en) | 2021-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113824002B (en) | Ventilation and dust filtration assembly of power switch cabinet | |
| CN216440255U (en) | Environmental protection mechanical equipment with dust removal function | |
| CN209362113U (en) | A kind of high-temperature high-density dust flue gas cleaning equipment | |
| CN208735775U (en) | A kind of moveable indoor air-purification device | |
| CN212467494U (en) | Rice processing workshop dust collecting device convenient to clearance | |
| CN218884149U (en) | High-strength dehumidifying runner with good moisture absorption effect | |
| CN217337128U (en) | Forestry is grown seedlings with pest control equipment | |
| CN116058602A (en) | Intelligent wardrobe with clothes air protection function | |
| CN213420947U (en) | Landscape type solar street lamp and insect killing lamp integrated lamp | |
| CN213017811U (en) | Dustproof gate valve with self-cleaning function | |
| CN213462659U (en) | Electric appliance cabinet with ash removal and mosquito prevention functions | |
| CN211721590U (en) | Forestry deinsectization lamp | |
| CN110802095A (en) | Dust removal device and method for cigarette filter stick forming machine and cigarette filter stick forming machine | |
| CN220630786U (en) | Insect trap | |
| CN220125832U (en) | Dust collector for air purification | |
| CN213912989U (en) | Movable burns burning furnace dust removal adsorption module | |
| CN217065756U (en) | Temperature control mechanism and intelligent rotary cabinet control device | |
| CN216986795U (en) | Cotton suction filtering and automatic cleaning device of textile spinning frame | |
| CN219268191U (en) | Antistatic dust removing device of electrical control cabinet | |
| CN220402688U (en) | Ventilation device for fence house of farm | |
| CN210630113U (en) | Intelligent control device with dustproof function | |
| CN213756049U (en) | Rolling type artificial lawn compacting device | |
| CN216087242U (en) | Dustproof ventilation unit of inverter cabinet | |
| CN210553088U (en) | Weak current cabinet dust collector is used in computer network laboratory | |
| CN217041479U (en) | Rainwater treatment device |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |