CN116220441A - Laboratory is with dustless room system - Google Patents
Laboratory is with dustless room system Download PDFInfo
- Publication number
- CN116220441A CN116220441A CN202310514690.1A CN202310514690A CN116220441A CN 116220441 A CN116220441 A CN 116220441A CN 202310514690 A CN202310514690 A CN 202310514690A CN 116220441 A CN116220441 A CN 116220441A
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- CN
- China
- Prior art keywords
- dust
- dust removal
- final
- room
- transmission belt
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L23/00—Cleaning footwear
- A47L23/22—Devices or implements resting on the floor for removing mud, dirt, or dust from footwear
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention provides a laboratory dust-free room system, which belongs to the technical field of dust-free equipment and comprises a dust-free system, wherein a primary dust-removing room, a changing room and a final dust-removing room are sequentially arranged in the dust-free system from left to right, a final dust-removing seat is arranged in the final dust-removing room, a front shoe stopper and a rear shoe stopper are respectively connected to two sides of a turntable in a sliding manner, pressure sensors are arranged on the inner sides of the front shoe stopper and the rear shoe stopper, a multi-angle sole cleaning brush is arranged on one upper part of a conveying belt, an angle range between the cleaning brush on the upper part of the multi-angle sole cleaning brush and the first conveying belt is 60-120 degrees, and an automatic fan is arranged on the rear part of a dust-removing net. According to the invention, the shoes are fixed through the front and rear stoppers of the shoes in the final dust removing seat, the multi-angle sole cleaning brush is driven by the conveying belt to conveniently clean soles, and the turntable rotates for 360 degrees for personnel, so that dust cleaning of the personnel by the dust removing air duct is improved; and the cleaning rack and the guide fan are matched for use automatically to clean and remove dust on the surface of the guide fan.
Description
Technical Field
The invention relates to the technical field of dust removal equipment, in particular to a dust-free room system for a laboratory.
Background
The laboratory is a field chemistry laboratory dedicated to experimental research in any discipline area of natural science. Many laboratories must be manufactured under extremely precise processing conditions and must be handled in extremely clean environments. Existing hundred-level clean laboratory workers need to remove dust twice and replace laboratory-specific clothing and shoes when entering a laboratory. The first dust removal is to remove dust on daily clothes, then the clothes enter a reloading room for reloading, and the second dust removal is to remove dust on laboratory-specific clothes and shoes.
The patent of application number CN202023120659.0 provides an air purification equipment for dust-free laboratory, adopts dust-free laboratory's lower air-out, goes up the air supply, can realize the clean room air's of dust-free laboratory complete purification, and air inlet and air outlet are located dust-free laboratory's both sides respectively, and the dust can be filtered to the structure of straining just, and filter cotton and filtration framework can change, and the ionization fluorescent tube can carry out the ionization with some organic waste gas, increases air purification ability.
Although the technical scheme can improve the air purifying capacity of a laboratory to a certain extent, certain defects still exist. Firstly, the replaced sole cannot be conveniently dedusted during the second dedusting; secondly, dust is easy to accumulate in the dust removal air duct by the guide fan, and the dust cannot be cleaned in time.
In view of the foregoing, there is a need for improvements to existing laboratory clean room systems.
Disclosure of Invention
In order to solve the problems, especially the defects existing in the prior art, the invention provides a laboratory dust-free room system which can solve the problems. The invention conveniently cleans and removes dust for users entering a laboratory through the sole cleaning brush and the primary/final dust removing air pipe, and simultaneously automatically cleans the guide fan.
In order to achieve the above purpose, the invention adopts the following technical means:
the invention provides a laboratory dust-free room system, which comprises a dust-free system, wherein a primary dust chamber, a change chamber and a final dust chamber are sequentially arranged in the dust-free system from left to right, a final dust removing seat is arranged in the final dust chamber, a rotary table is arranged in the final dust removing seat, a front shoe stopper and a rear shoe stopper are respectively and slidably connected to two sides of the rotary table, pressure sensors are arranged on the inner sides of the front shoe stopper and the rear shoe stopper, a first transmission belt is arranged on the upper part of the rotary table, a multi-angle sole cleaning brush is arranged on the upper part of the first transmission belt, an angle range of 60-120 DEG is formed between a cleaning brush on the upper part of the multi-angle sole cleaning brush and the first transmission belt, the rotary table is fixedly connected with a second motor through a connecting frame, a third motor is arranged on one side of the transmission belt, a second front end of the motor is connected with a second transmission belt, a driven gear shaft is sleeved on the other end of the second transmission belt, a gear shaft is meshed with the driven gear shaft, a third transmission belt is sleeved on the upper end of the driven gear shaft, a third transmission belt is sleeved on the third transmission belt, a third transmission belt is meshed with the driven gear shaft, a third transmission shaft is connected with the rear shoe dust removing fan is sequentially, the automatic dust removing mechanism is connected with the third transmission belt, and the dust-removing seat is connected with the third transmission belt through the third transmission belt.
Further, the inside both sides of just dedusting chamber are provided with just dedusting air pipe, dustless system is inside to be provided with four sets of sliding doors, change the dress room inside and have placed the clothes cabinet, the inside both sides of final dedusting chamber are provided with final dedusting air pipe.
Further, an air suction port is arranged at the bottom of the dust removal air duct, and an air outlet is arranged at one side of the dust removal air duct.
Further, the bottom of the final dust removal seat is provided with a final underframe, an upper cover frame is mounted on the upper portion of the final underframe, a first motor is arranged in the middle of the inner portion of the final underframe, an output end of the first motor is connected with a rotary table, a first transmission belt is nested on the upper portion of the rotary table, the rotary table is fixedly connected with a second motor through a connecting frame, and a third motor is arranged on one side of the transmission belt.
Further, the front end of the motor II is connected with a conveyor belt II, the other end of the conveyor belt II is sleeved with a driven rotating gear shaft, the driven rotating gear shaft is connected with a turning rotating gear shaft in a meshed mode, the upper portion of the turning rotating gear shaft is sleeved with a conveyor belt III, and the other end of the conveyor belt III is sleeved with a driven rotating shaft.
Furthermore, sliding grooves are formed in two sides of the turntable, handrails are mounted on two sides of the upper part of the turntable, and a control switch is arranged on one side of each handrail;
in this example, personnel get into final dust removal room, stand on conveyer belt one upper portion, hand handrail of both sides, press control switch, motor two starts, drive conveyer belt two and rotate, the driven tooth axle that rotates of rotating of conveyer belt two, driven tooth axle that rotates the turning and rotating of turning tooth axle that drives, turning tooth axle drive conveyer belt three rotates, drive preceding stopper of shoes and shoes back stopper to inboard removal clamp personnel's shoes through conveyer belt two and conveyer belt three, then, motor three starts, the multi-angle sole cleaning brush that drive conveyer belt one upper portion set up begins cleaning shoe sole dust.
Further, the automatic fan is installed on the inner wall of the dust removal air duct through a first fixing frame, a fourth motor is arranged at the bottom of the first fixing frame, an air guide shaft is connected to the output end of the fourth motor, an air guide fan is installed on the upper portion of the air guide shaft, and a cleaning frame is arranged on the air guide fan through a second fixing frame.
Compared with the prior art, the invention has the beneficial effects that:
1. the sole is cleaned conveniently by the cleaning brush, so that the cleaning efficiency is improved. According to the invention, the shoes are fixed through the front and rear stoppers of the shoes in the final dust removing seat, the multi-angle sole cleaning brush is driven by the conveying belt to conveniently clean soles, and the turntable rotates for 360 degrees for personnel, so that dust cleaning of the personnel by the dust removing air duct is improved.
2. And cleaning the guide fan automatically. The invention automatically cleans and removes dust on the surface of the guide fan through the cooperation of the cleaning frame and the guide fan.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of FIG. 2A in accordance with the present invention;
FIG. 4 is a schematic view of the final dust removing seat of the present invention;
FIG. 5 is a schematic view of the internal structure of the final dust collector of the present invention;
FIG. 6 is an enlarged view of FIG. 5B in accordance with the present invention;
fig. 7 is a schematic view of a dust removing structure of a sole of the present invention.
In the figure:
1. a dust-free system; 2. a sliding door; 3. a final dust removal seat; 4. a dust removal air duct; 5. a dust removing net; 6. an automatic fan; 11. a primary dust removal chamber; 12. a reloading chamber; 13. a final dust removal chamber; 111. primary dust removal air pipe; 121. changing the wardrobe; 131. a final dedusting air pipe; 31. a final chassis; 32. a first motor; 33. a turntable; 34. a first transmission belt; 35. a second motor; 36. a connecting frame; 37. an armrest; 38. a third motor; 311. an upper cover frame; 331. a chute; 341. multi-angle sole cleaning brush; 351. a second conveyor belt; 352. a driven rotary gear shaft; 353. a turning gear shaft; 354. a third conveyor belt; 355. a driven rotating shaft; 356. a forefoot stopper; 357. a shoe rear stopper; 371. a control switch; 3571. a pressure sensor; 41. an air suction port; 42. an air outlet; 61. a first fixing frame; 62. a fourth motor; 63. an air guide shaft; 64. a fan; 65. a second fixing frame; 66. a cleaning rack.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples:
as shown in fig. 1 to 5, in one embodiment of the present invention, a laboratory dust-free room system includes a dust-free system 1, the dust-free system 1 is provided with a primary dust-free room 11, a changing room 12 and a final dust-free room 13 from left to right in sequence, the final dust-free room 13 is internally provided with a final dust-free seat 3, a turntable 33 is internally installed in the final dust-free seat 3, two sides of the turntable 33 are respectively and slidably connected with a front shoe stopper 356 and a rear shoe stopper 357, pressure sensors 3571 are arranged on the inner sides of the front shoe stopper 356 and the rear shoe stopper 357, a first transmission belt 34 is installed on the upper portion of the turntable 33, a multi-angle sole cleaning brush 341 is arranged on the upper portion of the first transmission belt 34, an angle range between the cleaning brush on the upper portion of the multi-angle sole cleaning brush 341 and the first transmission belt 34 is 60 ° to 120 °, a dust-free air duct 4 is installed on the upper portion of the dust-free system 1, a dust-free net 5 is sequentially installed in the air duct 4, and an automatic fan 6 is provided on the rear portion of the dust-free net 5.
As shown in fig. 1 to fig. 2, in an embodiment of the present invention, specifically, two sides of the interior of the primary dust chamber 11 are provided with primary dust removing air pipes 111, four sets of sliding doors 2 are provided in the interior of the dust-free system 1, a clothes changing cabinet 121 is placed in the interior of the changing chamber 12, and two sides of the interior of the final dust chamber 13 are provided with final dust removing air pipes 131.
As shown in fig. 1 to fig. 2, in an embodiment of the present invention, specifically, an air intake 41 is disposed at the bottom of the dust removal air duct 4, and an air outlet 42 is installed at one side of the dust removal air duct 4.
As shown in fig. 4 to fig. 5, in an embodiment of the present invention, specifically, a final bottom frame 31 is disposed at the bottom of the final dust removing seat 3, an upper cover frame 311 is mounted at the upper portion of the final bottom frame 31, a first motor 32 is disposed at a middle position inside the final bottom frame 31, an output end of the first motor 32 is connected with a turntable 33, a first transmission belt 34 is nested at the upper portion of the turntable 33, the turntable 33 is fixedly connected with a second motor 35 through a connecting frame 36, and a third motor 38 is disposed at one side of the first transmission belt 34.
As shown in fig. 4 to fig. 7, in an embodiment of the present invention, specifically, the front end of the second motor 35 is connected with a second conveyer belt 351, the other end of the second conveyer belt 351 is sleeved with a driven rotating gear shaft 352, the driven rotating gear shaft 352 is in meshed connection with a turning rotating gear shaft 353, the upper portion of the turning rotating gear shaft 353 is sleeved with a third conveyer belt 354, and the other end of the third conveyer belt 354 is sleeved with a driven rotating shaft 355.
As shown in fig. 5 to 6, in one embodiment of the present invention, specifically, two sides of the turntable 33 are provided with sliding grooves 331, two sides of the upper part of the turntable 33 are provided with armrests 37, and one side of each armrest 37 is provided with a control switch 371;
in this example, the person enters the final dust removal chamber 13, stands on the upper portion of the first conveyor belt 34, holds the handrails 37 on two sides, presses the control switch 371, starts the second motor 35, drives the second conveyor belt 351 to rotate, drives the second driven rotating gear shaft 352 to rotate, drives the turning rotating gear shaft 353 to turn, and drives the third conveyor belt 354 to rotate, and drives the front shoe stopper 356 and the rear shoe stopper 357 to move inwards to clamp the person's shoes through the second conveyor belt 351 and the third conveyor belt 354. Then, the third motor 38 is started to drive the multi-angle sole cleaning brush 341 arranged on the upper portion of the first conveyor belt 34 to start cleaning the sole dust.
As shown in fig. 2 to fig. 3, in an embodiment of the present invention, specifically, the automatic fan 6 is mounted on the inner wall of the dust removal air duct 4 through a first fixing frame 61, a fourth motor 62 is disposed at the bottom of the first fixing frame 61, an output end of the fourth motor 62 is connected to an air guiding shaft 63, an air guiding fan 64 is mounted at the upper part of the air guiding shaft 63, and a cleaning frame 66 is disposed on the air guiding fan 64 through a second fixing frame 65.
Principle of operation
When the dust-removing device is used, the sliding door 2 is automatically opened, a person enters the primary dust-removing chamber 11, and the primary dust-removing air pipe 111 begins to work to blow the person to blow up dust on the person and discharge the dust from the dust-removing air duct 4.
Then, the person enters the changing room 12 to change the experimental clothes and shoes, then, the person enters the final dust removing room 13, stands on the turntable 33, places a single foot on the multi-angle sole cleaning brush 341, handrails 37 on two sides of the hand, presses a control switch 371, starts a motor II 35, drives a conveyor belt II 351 to rotate, drives a driven rotating gear shaft 352 to rotate, drives a turning rotating gear shaft 353 to turn, and drives a conveyor belt III 354 to rotate, and drives a shoe front stopper 356 and a shoe rear stopper 357 to move inwards to clamp the shoes of the person through the conveyor belt II 351 and the conveyor belt III 354. Then, the third motor 38 is started to drive the multi-angle sole cleaning brush 341 arranged on the upper portion of the first conveyor belt 34 to start cleaning the sole dust. And after the shoes of one foot are cleaned, replacing the shoes of the other foot to perform the cleaning operation.
Meanwhile, the first motor 32 drives the rotary table 33 to start 360-degree rotation to finish the overall dust removal of the clothes on the personnel through the dust removal air pipe 131, the dust is discharged through the dust removal air duct 4, and the cleaning rack 66 automatically cleans the dust accumulated on the surface of the dust removal air pipe when the guide fan 64 rotates, so that the timely cleaning effect is achieved.
Finally, the personnel leave the final dust chamber 13 and enter the laboratory.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Claims (6)
1. The utility model provides a laboratory is with dust free room system, includes dust free system (1), dust free system (1) has set gradually dust free room (11), reloading room (12) and final dust free room (13) from left to right, its characterized in that: the novel shoe dust collector is characterized in that a final dust collection seat (3) is arranged in the final dust collection chamber (13), a rotary table (33) is arranged in the final dust collection seat (3), a front stopper (356) and a rear stopper (357) are respectively and slidably connected to two sides of the rotary table (33), a pressure sensor (3571) is arranged on the inner sides of the front stopper (356) and the rear stopper (357), a first transmission belt (34) is arranged on the upper portion of the rotary table (33), a multi-angle sole cleaning brush (341) is arranged on the upper portion of the first transmission belt (34), an angle range of 60-120 DEG is formed between the cleaning brush on the upper portion of the multi-angle sole cleaning brush (341) and the first transmission belt (34), the rotary table (33) is fixedly connected with a second motor (35) through a connecting frame (36), a third motor (38) is arranged on one side of the transmission belt (34), a second transmission belt (351) is connected to the front end of the second motor (35), a driven rotation gear shaft (352) is sleeved on the other end of the second transmission belt (351), the driven rotation gear shaft (354) is meshed with the third transmission belt (351), the third transmission belt (353) is meshed with the third transmission belt (353), the shoe rear stopper (357) is connected with the conveying belt III (354), a dust removal air duct (4) is arranged on the upper portion of the dust-free system (1), a dust removal net (5) is arranged in the dust removal air duct (4) in sequence, and an automatic fan (6) is arranged at the rear portion of the dust removal net (5).
2. The laboratory clean room system according to claim 1, wherein the primary dust removal room (11) is provided with primary dust removal air pipes (111) on two sides inside, four sets of sliding doors (2) are arranged inside the dust removal system (1), a clothes changing cabinet (121) is arranged inside the clothes changing room (12), and the final dust removal air pipes (131) are arranged on two sides inside the final dust removal room (13).
3. The laboratory clean room system according to claim 1, wherein the dust removal air duct (4) is provided with an air suction port (41) at the bottom, and an air outlet port (42) is installed at one side of the dust removal air duct (4).
4. The laboratory clean room system according to claim 1, wherein a terminal chassis (31) is arranged at the bottom of the terminal dust removal seat (3), an upper cover frame (311) is arranged at the upper part of the terminal chassis (31), a motor I (32) is arranged at the middle position inside the terminal chassis (31), and a turntable (33) is connected to the output end of the motor I (32).
5. The laboratory clean room system according to claim 4, wherein sliding grooves (331) are provided on both sides of the turntable (33), handrails (37) are mounted on both sides of the upper part of the turntable (33), and a control switch (371) is provided on one side of the handrails (37).
6. The laboratory dust-free room system according to claim 1, wherein the automatic fan (6) is mounted on the inner wall of the dust removal air duct (4) through a first fixing frame (61), a fourth motor (62) is arranged at the bottom of the first fixing frame (61), an air guide shaft (63) is connected to the output end of the fourth motor (62), a guide fan (64) is mounted on the upper portion of the air guide shaft (63), and a cleaning frame (66) is arranged on the guide fan (64) through a second fixing frame (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310514690.1A CN116220441B (en) | 2023-05-09 | 2023-05-09 | Laboratory is with dustless room system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310514690.1A CN116220441B (en) | 2023-05-09 | 2023-05-09 | Laboratory is with dustless room system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116220441A true CN116220441A (en) | 2023-06-06 |
| CN116220441B CN116220441B (en) | 2023-07-25 |
Family
ID=86587738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310514690.1A Active CN116220441B (en) | 2023-05-09 | 2023-05-09 | Laboratory is with dustless room system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116220441B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257568A (en) * | 2015-10-30 | 2016-01-20 | 苏州腾辉环保科技有限公司 | Negative-pressure draught fan with self-cleaning function |
| CN110840128A (en) * | 2019-12-12 | 2020-02-28 | 浙江理工大学 | Multifunctional chair |
| CN210990129U (en) * | 2019-07-02 | 2020-07-14 | 徐聪聪 | Automatic dust collector of shoes for classroom |
| CN214549335U (en) * | 2021-01-12 | 2021-11-02 | 喻玺 | Sole cleaning machine |
| CN215368944U (en) * | 2021-08-06 | 2021-12-31 | 湖南利康环境工程有限公司 | Novel PCR laboratory |
| CN218296109U (en) * | 2022-09-08 | 2023-01-13 | 安徽希丞科技有限公司 | Fresh air system with automatic cleaning filter screen function |
-
2023
- 2023-05-09 CN CN202310514690.1A patent/CN116220441B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257568A (en) * | 2015-10-30 | 2016-01-20 | 苏州腾辉环保科技有限公司 | Negative-pressure draught fan with self-cleaning function |
| CN210990129U (en) * | 2019-07-02 | 2020-07-14 | 徐聪聪 | Automatic dust collector of shoes for classroom |
| CN110840128A (en) * | 2019-12-12 | 2020-02-28 | 浙江理工大学 | Multifunctional chair |
| CN214549335U (en) * | 2021-01-12 | 2021-11-02 | 喻玺 | Sole cleaning machine |
| CN215368944U (en) * | 2021-08-06 | 2021-12-31 | 湖南利康环境工程有限公司 | Novel PCR laboratory |
| CN218296109U (en) * | 2022-09-08 | 2023-01-13 | 安徽希丞科技有限公司 | Fresh air system with automatic cleaning filter screen function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116220441B (en) | 2023-07-25 |
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