CN115597156B - Air circulation purifying assembly of dust-free room - Google Patents

Air circulation purifying assembly of dust-free room Download PDF

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Publication number
CN115597156B
CN115597156B CN202211264571.7A CN202211264571A CN115597156B CN 115597156 B CN115597156 B CN 115597156B CN 202211264571 A CN202211264571 A CN 202211264571A CN 115597156 B CN115597156 B CN 115597156B
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China
Prior art keywords
fixedly connected
filter
air
shell
gear
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CN202211264571.7A
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Chinese (zh)
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CN115597156A (en
Inventor
张桥
梁鹏
陈威
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Hubei Jingchuan Environmental Protection Electromechanical Engineering Co ltd
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Hubei Jingchuan Environmental Protection Electromechanical Engineering Co ltd
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Publication of CN115597156A publication Critical patent/CN115597156A/en
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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
    • 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
    • F24F13/0209—Ducting arrangements characterised by their connecting means, e.g. flanges
    • 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
    • F24F13/20—Casings or covers
    • 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
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/003—Ventilation in combination with air cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention relates to the technical field of air purification equipment and discloses an air circulation purification assembly of a dust-free room, which comprises a shell, wherein an opening is formed in the upper end of the shell, an upper cover is fixedly connected to the opening, a plurality of uniformly distributed fixing rods are fixedly connected to the shell, a filter is connected to the fixing rods, a filter assembly is connected to the upper cover, the filter assembly is used for carrying out on-line circulation cleaning on dust in the filter and can carry out pressurization conveying on gas in the filter, a supporting plate is arranged at the bottom of the filter, an air guide mechanism matched with the filter assembly is connected to the side wall of the supporting plate, an air inlet pipe is fixedly connected to the side wall of the upper cover, and an exhaust pipe is fixedly connected to the side wall of the shell. The air circulation purifying component of the clean room can carry out circulation purifying treatment on air, has an efficient self-cleaning function, and can carry out pressurization conveying on filtered air.

Description

Air circulation purifying assembly of dust-free room
Technical Field
The invention relates to the technical field of air purification equipment, in particular to an air circulation purification assembly of a clean room.
Background
Air enters the clean room from the air conditioning box through the air pipe and the air filter in the clean room, and returns air from partition wall boards or raised floors at two sides of the clean room, and the air flow moves nonlinearly to be in an irregular turbulence or vortex state. The clean room is realized by gradually diluting the polluted air by the air flow of the air supply, the clean room has simple structure and low system construction cost, and the clean room is easy to expand, and can be used for a dust-free workbench in some special application places to improve the grade of the clean room, however, the dust particles caused by the turbulent flow float in the indoor space and are not easy to discharge, and the products in the clean room are easy to pollute. In addition, if the system is deactivated and activated again, it takes a relatively long time to achieve the required cleanliness.
At present, the filter system of the clean room is stopped and activated, so that the required cleanliness is required, a long time is required, and the filter component of the clean room is in a working state, if maintenance is required, the filter system of the clean room must be stopped, so that the normal production speed is influenced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides an air circulation purification assembly of a clean room, which has the advantages that the air is circulated and purified, the circulation purification assembly also has an efficient self-cleaning function, the filtered air can be pressurized and conveyed, and the like, so that the problems that the operation of a filtering system of the clean room is stopped and then activated, the required cleanliness is required, a long time is required to be consumed, and the normal production speed is influenced because the filtering system of the clean room is required to be in a working state and the filtering system of the clean room is required to be stopped if maintenance is required to be carried out are solved.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the air circulation purifying assembly of the clean room comprises a shell, wherein an opening is formed in the upper end of the shell, an upper cover is fixedly connected to the opening, a plurality of uniformly distributed fixing rods are fixedly connected in the shell, a plurality of filters are connected to the fixing rods, and a filtering assembly is connected to the upper cover;
the filter assembly is used for carrying out on-line circulating cleaning on dust in the filter and can carry out pressurizing conveying on gas in the filter;
the filter bottom is equipped with the backup pad, the lateral wall of backup pad is connected with and filters subassembly matched with wind-guiding mechanism, the lateral wall fixedly connected with air-supply line of upper cover, the lateral wall fixedly connected with exhaust pipe of shell.
Preferably, the filter is formed by overlapping a plurality of layers of filter plates, an air inlet and a central opening are formed in the filter plates, a plurality of air inlets in the filter plates form a plurality of air inlet channels with spiral structures, and the central opening forms an air exhaust channel.
Preferably, a plurality of uniformly distributed clamping grooves are formed in the side wall of the filter, the clamping grooves are respectively clamped with the rod walls of the fixing rods, the side wall of the supporting plate is sleeved with the rod walls of the fixing rods through holes, an air outlet matched with the air exhaust port is formed in the center of the supporting plate, a limiting ring is fixedly connected to the rod walls of the fixing rods, and the limiting ring is in contact with the lower end of the supporting plate;
the upper end of filter is equipped with the clamp plate, the air intake that corresponds with the upper position of filter is seted up to the lateral wall of clamp plate, the lateral wall of clamp plate cup joints through locating hole and locating lever's lever wall, and the lever wall threaded connection of locating lever has the nut, the upper end fixedly connected with annular plate of backup pad, and the upper end and the lateral wall contact of upper cover of annular plate, the lower extreme of clamp plate and the upper end contact of filter.
Preferably, the filtering component comprises a shell, the upper end of the shell is fixedly connected with a sleeve, the sleeve is rotationally connected with the center of the upper cover through a first sealing bearing, a rotating shaft is rotationally connected in the sleeve through a rolling bearing, a gear ring is fixedly connected on the shaft wall of the rotating shaft, two bevel gears are meshed on one side of the gear ring, a transverse shaft is fixedly connected on one side of each bevel gear, two rectangular pipes are fixedly connected on the side wall of the shell, one ends, far away from the shell, of the two rectangular pipes are fixedly connected with a wind collecting cover, the lower end of the wind collecting cover is fixedly connected with a circular ring, the lower end of the circular ring is matched with an air inlet channel on a filter, a transmission shaft is rotationally connected in the wind collecting cover through a ball bearing, a fan blade and a first gear are fixedly connected on the shaft wall of the transmission shaft, a second gear is meshed on the first gear, one side of the second gear is fixedly connected with one end of the transverse shaft, and the shaft wall of the transverse shaft is rotationally connected in the rectangular pipe through a bearing seat;
the upper cover is characterized in that the upper end of the upper cover is fixedly connected with a first motor, the output end of the first motor extends into the sleeve and is fixedly connected with the upper end of the rotating shaft, a transmission unit is arranged in the upper cover, and the transmission unit is arranged on the side wall of the rectangular pipe.
Preferably, the transmission unit comprises a second motor, one side of the wind collecting cover is fixedly connected with a rack of an arc-shaped structure, two ends of the rack are respectively fixedly connected with the side walls of the two rectangular pipes, one side of the rack is meshed with a third gear, and the output end of the second motor penetrates through the side wall of the upper cover and is fixedly connected with the upper end of the third gear.
Preferably, the spline gauge is rotationally connected to the center of the lower end of the shell through the needle bearing, the half shaft is fixedly connected to the lower end of the spline gauge, the turbine is fixedly connected to one end of the half shaft and located in an exhaust channel on the filter, the spline shaft is fixedly connected to the lower end of the rotating shaft, and the spline shaft is inserted into the spline gauge.
Preferably, the wind guide mechanism comprises two box bodies, two the equal symmetrical fixedly connected with return bend of lateral wall of box body, the lateral wall of backup pad passes through the vertical portion pipe wall fixed connection of round mouth and return bend, the lower extreme of box body is equipped with uncovered, and uncovered department fixedly connected with closing plate, the upper end fixedly connected with filter core of closing plate, and the filter core interference cup joints in the box body, the lower extreme of shell passes through the lateral wall fixed connection of assembly mouth and box body.
(III) beneficial effects
Compared with the prior art, the invention provides an air circulation purifying component of a clean room, which has the following beneficial effects:
1. when the self-cleaning air filter is used, air enters two adjacent air inlet channels and is in a normal filtering working state, dust in the air is filtered through the air inlet channels with spiral structures, the dust is trapped in the air inlet channels, part of the filtered air passes through the filter and enters the shell, the other part of the filtered air enters the air exhaust channel and enters the shell, clean air is discharged from the air exhaust pipe, and then the filtering is completed, at the moment, the other two air inlet channels are blocked by the filter component and are in a self-cleaning state, after a certain time, the air inlet channels are cleaned, the filter component rotates to change the positions to clean the other two air inlet channels, so that the air can be circularly purified, and meanwhile, the self-cleaning effect on the air passing channels is realized.
2. When the air circulation device is used, air in the air inlet channel is blown by the fan blades to flow, the air flows back to the other air inlet channel after passing through the bent pipe and the box body of the air guide mechanism and finally flows back to the filtering assembly, so that the air in the two air inlet channels can be circulated, the filter element in the air guide mechanism is used for cleaning dust in air in the circulation process, self cleaning and non-stop filtering of the air circulation purification assembly can be realized, the spline shaft is driven to rotate when the rotating shaft rotates, the spline shaft drives the half shaft to rotate, and the turbine is driven to generate air flow to blow the air in the air exhaust channel to be discharged, and therefore the auxiliary air exhaust effect can be realized.
3. When the filter is used, a plurality of filter plates are overlapped to form a filter, a plurality of air inlets formed in the filter can form an air inlet channel with a plurality of spiral structures, and as the filter plates have a certain thickness, the inner wall of the air inlet channel is not smooth, so that dust in air can be efficiently connected in the air inlet channel, in addition, an air exhaust channel formed by a central opening can realize the effect of air guide, namely, one part of air in the air inlet channel passes through the filter to enter a shell, the other part of air passes through the filter to enter the air exhaust channel to be exhausted, so that air circulation can be added, the side wall of the air inlet channel can exhaust air in multiple directions, and when the air enters the air inlet channel, a flow path is spiral, therefore, dust can be prevented from adhering in the air inlet channel, and meanwhile, the dust can be carried away from the air inlet channel by using circulating airflow during cleaning, so that the air can be filtered, and dust can be cleaned by a filter assembly.
Drawings
FIG. 1 is a schematic diagram of an air circulation purifying assembly for clean room according to the present invention;
FIG. 2 is a schematic view showing the internal structure of FIG. 1 in an air circulation purifying assembly of a clean room according to the present invention;
FIG. 3 is a schematic view showing the structure of a filter in an air circulation purifying assembly of a clean room according to the present invention;
FIG. 4 is a schematic view of a multi-layered filter plate in an air circulation cleaning module for clean rooms according to the present invention;
FIG. 5 is a schematic view showing the structure of a filter plate in an air circulation purifying assembly of a clean room according to the present invention;
FIG. 6 is a schematic view of the structure of the support plate platen and the fixing rod in the clean room air cycle cleaning assembly according to the present invention;
FIG. 7 is a schematic view of the structure of the pressure plate and the annular plate in the clean room air cycle cleaning assembly according to the present invention;
FIG. 8 is a schematic view of the housing and the air guiding mechanism of the clean room air cycle cleaning assembly according to the present invention;
FIG. 9 is a schematic view of the structure of the support plate and the air guiding mechanism in the clean room air circulation purifying assembly according to the present invention;
FIG. 10 is a cross-sectional view of a trap and cassette of a clean room air cycle cleaning assembly in accordance with the present invention;
FIG. 11 is a schematic view showing the structure of a filter assembly in an air circulation purifying assembly for a clean room according to the present invention;
FIG. 12 is a schematic view showing the internal structure of a rectangular tube and a wind collecting hood in an air circulation purifying assembly of a clean room according to the present invention;
fig. 13 is a distribution effect diagram of an air inlet channel of a filter in an air circulation purifying assembly of a clean room according to the present invention.
In the figure: 1. a housing; 2. an upper cover; 3. a first motor; 4. a second motor; 5. an air inlet pipe; 6. an exhaust pipe; 7. a wind collecting hood; 8. a filter; 9. a fixed rod; 10. bending the pipe; 11. a pressing plate; 12. an annular plate; 13. a rack; 14. a rectangular tube; 15. an air inlet; 16. a support plate; 17. an air inlet channel; 18. a filter plate; 19. a clamping groove; 20. a central opening; 21. a limiting ring; 22. a rotating shaft; 23. a turbine; 24. a sleeve; 25. a case body; 26. a filter element; 27. a sealing plate; 28. a housing; 29. a third gear; 30. a circular ring; 31. a gear ring; 32. bevel gears; 33. a horizontal axis; 34. a fan blade; 35. a second gear; 36. a first gear; 37. a spline gauge; 38. and (3) a spline shaft.
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.
Example 1:
referring to fig. 1-13, an air circulation purifying component of a clean room comprises a housing 1, an opening is arranged at the upper end of the housing 1, an upper cover 2 is fixedly connected to the opening, a plurality of evenly distributed fixing rods 9 are fixedly connected to the housing 1, a filter 8 is connected to the plurality of fixing rods 9, a filter component is connected to the upper cover 2 and used for carrying out on-line circulation cleaning on dust in the filter 8, the air can be pressurized and conveyed in the filter 8, a supporting plate 16 is arranged at the bottom of the filter 8, an air guide mechanism matched with the filter component is connected to the side wall of the supporting plate 16, the air guide mechanism comprises two box bodies 25, two bent pipes 10 are symmetrically and fixedly connected to the side walls of the two box bodies 25, the side walls of the supporting plate 16 are fixedly connected to the vertical pipe walls of the bent pipes 10 through round openings, an opening is formed in the lower end of the box bodies 25, a sealing plate 27 is fixedly connected to the upper end of the sealing plate 27, the filter element 26 is in interference fit inside the box bodies 25, the lower end of the housing 1 is fixedly connected to the side walls of the box bodies 25 through an assembling opening, the side walls of the upper cover 2 are fixedly connected to the side walls of the air inlet pipes 6, and the air inlet pipes 6 are fixedly connected to the side walls of the housing 1.
When the dust-free air filter is used, the air inlet pipe 5 is connected with the air outlet end of the dust-free chamber, the air outlet pipe 6 is connected with the air inlet end (not shown in the figure) of the dust-free chamber, when the air inlet pipe 5 enters air, air enters the two adjacent air inlet channels 17 and is in a normal filtering working state, dust in the air is filtered through the air inlet channels 17 with a spiral structure, the dust is trapped in the air inlet channels 17, part of the filtered air enters the shell 28 through the filter 8, the other part of the filtered air enters the air outlet channels and enters the shell 28, clean air is discharged from the air outlet pipe 6, and then the filtering is completed, at the moment, the other two air inlet channels 17 are blocked by the filtering component and are in a self-cleaning state, after a certain time, the air inlet channels 17 are cleaned, and the other two air inlet channels 17 are cleaned by rotating and changing positions of the filtering component, so that the circulating air purification can be realized, and the self-cleaning effect on the air passing channels is realized.
Example 2: the difference is based on example 1;
referring to fig. 9-12, the filter assembly includes a housing 28, the upper end of the housing 28 is fixedly connected with a sleeve 24, the sleeve 24 is rotatably connected to the center of the upper cover 2 through a first sealing bearing, the sleeve 24 is rotatably connected with a rotating shaft 22 through a rolling bearing, a gear ring 31 is fixedly connected to the shaft wall of the rotating shaft 22, two bevel gears 32 are meshed to one side of the gear ring 31, a transverse shaft 33 is fixedly connected to one side of the two bevel gears 32, two rectangular pipes 14 are fixedly connected to the side wall of the housing 28, one ends of the two rectangular pipes 14 far away from the housing 28 are fixedly connected with a wind collecting cover 7, the blade inclination directions of blades 34 arranged in the two wind collecting covers 7 are opposite, when the rotation directions of two transmission shafts are identical, the blades 34 can push gas to flow along the same circulation direction, the lower end of the wind collecting cover 7 is fixedly connected with a circular ring 30, the lower end of the circular ring 30 is matched with an air inlet channel 17 on the filter 8, a transverse shaft 34 and a first gear 36 are fixedly connected to the shaft wall of the transmission shaft through a ball bearing, the first gear 35 is fixedly connected to the first gear 35, one side of the first gear 35 is meshed to the first gear 35, one end of the rectangular pipe is fixedly connected to the first motor 2, one end of the output shaft is fixedly connected to the side of the housing 2, and the first gear 35 is fixedly connected to the side wall of the first motor 2, and one end of the output unit is fixedly connected to the inner side of the rectangular pipe 2, and the output unit is connected to the first motor 2.
The transmission unit includes second motor 4, the rack 13 of arc structure is fixedly connected with in one side of collection fan housing 7, and the both ends of rack 13 are respectively with the lateral wall fixed connection of two rectangular pipes 14, the meshing of one side of rack 13 has third gear 29, the output of second motor 4 runs through the lateral wall of upper cover 2 and with the upper end fixed connection of third gear 29, the lower extreme center department of casing 28 is through bearing rotation connection spline rule 37, the lower extreme fixedly connected with semi-axis of spline rule 37, the one end fixedly connected with turbine 23 of semi-axis, and turbine 23 is located the passageway of airing exhaust on the filter 8, the lower extreme fixedly connected with spline shaft 38 of pivot 22, spline shaft 38 inserts in the spline rule 37.
When the air circulation type air exhaust device is used, the first motor 3 rotates to drive the rotating shaft 22 to rotate the gear ring 31, the bevel gear 32 is driven to rotate the transverse shaft 33 when the gear ring 31 rotates, the second gear 35 is driven to rotate the first gear 36 when the transverse shaft 33 rotates, the first gear 36 rotates to drive the transmission shaft to rotate, the fan blades 34 are driven to blow air in the air inlet channel 17 to flow when the transmission shaft rotates, the air flows back to the other air inlet channel 17 after passing through the bent pipe 10 and the box 25 of the air guide mechanism, and finally flows back to the filtering assembly, so that air in the two air inlet channels 17 can be circulated, the filter element 26 in the air guide mechanism is used for cleaning dust in air in the circulating process, self-cleaning can be realized, the sealing plate 27 is directly opened after cleaning, the filter element 26 is taken out for replacement or cleaning, so that the air circulation type air exhaust device can be realized, and the air circulation type air exhaust device also has the function of self-cleaning, the spline shaft 38 is driven to rotate when the rotating shaft 22 rotates, the spline shaft 37 is driven to rotate, the turbine 23 is driven to rotate to generate air in the air flow to blow the air in the exhaust channel to be exhausted, and the auxiliary effect can be realized.
Example 3: the difference is based on example 1;
referring to fig. 2-8, the filter 8 is formed by overlapping a plurality of layers of filter plates 18, an air inlet 15 and a central opening 20 are formed in the filter plates 18, the air inlets 15 in the filter plates 18 form an air inlet channel 17 with a plurality of spiral structures, the central opening 20 forms an air exhaust channel, a plurality of evenly distributed clamping grooves 19 are formed in the side wall of the filter 8, the clamping grooves 19 are respectively clamped with the rod walls of the fixing rods 9, the side wall of the support plate 16 is sleeved with the rod walls of the fixing rods 9 through holes, an air outlet matched with the air exhaust channel is formed in the center of the support plate 16, a limiting ring 21 is fixedly connected to the rod walls of the fixing rods 9, the limiting ring 21 is in contact with the lower end of the support plate 16, a pressing plate 11 is arranged at the upper end of the filter 8, an air inlet 15 corresponding to the position on the filter plate 18 is formed in the side wall of the pressing plate 11, the side wall of the pressing plate 11 is sleeved with the rod walls of the positioning rods through positioning holes, nuts are connected to the rod walls of the positioning rods in a threaded mode, the upper end of the support plate 16 is fixedly connected with the annular plate 12, the upper end of the annular plate 12 is in contact with the side wall of the upper cover 2, and the lower end of the pressing plate 11 is in contact with the upper end of the filter 8.
The filter 8 provided by the invention is characterized in that when in use, a plurality of filter plates 18 are overlapped to form a filter 8, a plurality of air inlets 15 formed in the filter 8 can form an air inlet channel 17 with a plurality of spiral structures, and as the filter plates 18 have a certain thickness, the inner wall of the air inlet channel 17 is not smooth, so that dust in air can be efficiently connected in the air inlet channel 17, meanwhile, the filter plates 18 are made of porous materials, the air inlet and exhaust directions are unlimited, in addition, an air exhaust channel formed by the central opening 20 can realize the effect of air guide, namely, one part of air in the air inlet channel 17 passes through the filter 8 to enter the shell 28, the other part of air passes through the filter 8 to enter the air exhaust channel to be exhausted, thereby being capable of adding air circulation, and enabling the side wall of the air inlet channel 17 to exhaust in a multi-direction, and when the air enters the air inlet channel 17, the flow path is spiral, such as a path shown by a dotted line part in fig. 13, thus not only being capable of avoiding dust from adhering in the air inlet channel 17, but also being carried away from the air inlet channel 17 by circulating air flow during cleaning, thereby being beneficial to filter assembly dust cleaning.
It should be noted that the term "comprises," "comprising," or any other variation thereof is 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
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 (1)

1. An air circulation purifying assembly of a clean room, comprising a housing (1), characterized in that: the upper end of the shell (1) is provided with an opening, an upper cover (2) is fixedly connected to the opening, a plurality of evenly-distributed fixing rods (9) are fixedly connected to the inside of the shell (1), a plurality of fixing rods (9) are connected with a filter (8) in a sleeving manner, the filter (8) is formed by overlapping a plurality of layers of filter plates (18), an air inlet (15) and a central opening (20) are formed in the filter plates (18), a plurality of air inlets (15) on the filter plates (18) form a plurality of air inlet channels (17) with spiral structures, a central opening (20) forms an air exhaust channel, a plurality of clamping grooves (19) which are evenly distributed are formed in the side wall of the filter (8), the clamping grooves (19) are respectively clamped with the rod walls of the fixing rods (9), the side wall of a supporting plate (16) is sleeved with the rod walls of the fixing rods (9) through holes, an air exhaust opening matched with the channels is formed in the center of the supporting plate (16), a limiting ring (21) is fixedly connected to the rod walls of the fixing rods (18), and the limiting ring (21) is in contact with the lower end of the supporting plate (16);
the upper end of the filter (8) is provided with a pressing plate (11), the side wall of the pressing plate (11) is provided with an air inlet (15) corresponding to the upper position of the filter plate (18), the side wall of the pressing plate (11) is sleeved with the rod wall of the positioning rod through a positioning hole, the rod wall of the positioning rod is in threaded connection with a screw cap, the upper end of the supporting plate (16) is fixedly connected with an annular plate (12), the upper end of the annular plate (12) is in contact with the side wall of the upper cover (2), the lower end of the pressing plate (11) is in contact with the upper end of the filter (8), and a filter assembly is connected in the upper cover (2);
the filtering component comprises a shell (28), the upper end of the shell (28) is fixedly connected with a sleeve (24), the sleeve (24) is rotationally connected with the center of an upper cover (2) through a first sealing bearing, a rotating shaft (22) is rotationally connected in the sleeve (24) through a rolling bearing, a gear ring (31) is fixedly connected on the shaft wall of the rotating shaft (22), two bevel gears (32) are meshed on one side of the gear ring (31), a transverse shaft (33) is fixedly connected on one side of the bevel gears (32), two rectangular pipes (14) are fixedly connected on the side wall of the shell (28), one ends, far away from the shell (28), of the two rectangular pipes (14) are fixedly connected with a wind collecting cover (7), the lower end of the wind collecting cover (7) is fixedly connected with a circular ring (30), the lower end of the circular ring (30) is matched with an air inlet channel (17) on a filter (8), a transmission shaft is rotationally connected in the wind collecting cover (7) through a bearing, a ball bearing is fixedly connected on the shaft wall of the transmission shaft, a first gear (34) and a first gear (36) are meshed with a second gear (35), one end of the first gear (35) is fixedly connected with a second gear (35), the shaft wall of the transverse shaft (33) is rotationally connected in the rectangular pipe (14) through a bearing seat;
the upper end of the upper cover (2) is fixedly connected with the first motor (3), the output end of the first motor (3) extends into the sleeve (24) and is fixedly connected with the upper end of the rotating shaft (22), a transmission unit is arranged in the upper cover (2), the transmission unit is arranged on the side wall of the rectangular pipe (14), the transmission unit comprises the second motor (4), one side of the wind collecting cover (7) is fixedly connected with a rack (13) with an arc structure, two ends of the rack (13) are respectively fixedly connected with the side walls of the two rectangular pipes (14), one side of the rack (13) is meshed with a third gear (29), the output end of the second motor (4) penetrates through the side wall of the upper cover (2) and is fixedly connected with the upper end of the third gear (29), the center of the lower end of the shell (28) is rotatably connected with a spline gauge (37) through a needle bearing, one end of the spline gauge (37) is fixedly connected with a turbine (23), one end of the turbine (23) is positioned on the filter (8) and is fixedly connected with a spline (37) in the inner channel (38), the filter is inserted into the spline (38) of the filter (8), the gas can be pressurized and conveyed in the filter (8);
the filter (8) bottom is equipped with backup pad (16), the lateral wall of backup pad (16) is connected with and filters subassembly matched with wind-guiding mechanism, wind-guiding mechanism includes two box body (25), two equal symmetrical fixedly connected with of lateral wall of box body (25) return bend (10), the lateral wall of backup pad (16) is through the vertical portion pipe wall fixed connection of round mouth with return bend (10), the lower extreme of box body (25) is equipped with uncovered, and uncovered department fixedly connected with closing plate (27), the upper end fixedly connected with filter core (26) of closing plate (27), and filter core (26) interference cup joint in box body (25), the lower extreme of shell (1) is through the lateral wall fixed connection of assembly mouth and box body (25), lateral wall fixedly connected with air-supply line (5) of upper cover (2), the lateral wall fixedly connected with exhaust pipe (6) of shell (1).
CN202211264571.7A 2022-10-17 2022-10-17 Air circulation purifying assembly of dust-free room Active CN115597156B (en)

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CN117244338B (en) * 2023-11-17 2024-01-30 陕西中欣福源医疗科技发展有限公司 Front gas filtering device for oxygenerator

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