CN111939675A - Air purifying device - Google Patents

Air purifying device Download PDF

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Publication number
CN111939675A
CN111939675A CN202010827262.0A CN202010827262A CN111939675A CN 111939675 A CN111939675 A CN 111939675A CN 202010827262 A CN202010827262 A CN 202010827262A CN 111939675 A CN111939675 A CN 111939675A
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CN
China
Prior art keywords
box
fixed
air
water
purification
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Withdrawn
Application number
CN202010827262.0A
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Chinese (zh)
Inventor
刘明明
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Individual
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Individual
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Priority to CN202010827262.0A priority Critical patent/CN111939675A/en
Publication of CN111939675A publication Critical patent/CN111939675A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06—Spray cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Separation Of Particles Using Liquids (AREA)

Abstract

The invention discloses an air purification device, and relates to the technical field of air purification; the air purification device comprises a purification box, wherein a filtering component and an adsorption component are arranged in the purification box, a spraying component is also arranged in the purification box, the purifying box is also communicated with a discharge component at the top, the filtering component comprises a first limiting block fixed in the purifying box, a first dust collecting net and a second dust collecting net are arranged in the first limiting block, the first dust collecting net is fixed on the first limiting block, the second dust collecting net is movable, the filtering component also comprises a second limiting block fixed in the purifying box, a third dust collecting net is movably arranged in the second limiting block, by arranging the filtering component and the adsorption component, the air purifier can effectively play the roles of purifying and adsorbing air, improves the air treatment effect, and through setting up spray assembly, can enough carry out the washing to the air, can also effectively remove dust to filtering component, can improve filtering component's life and result of use.

Description

Air purifying device
Technical Field
The invention relates to the technical field of air purification, in particular to an air purification device.
Background
The air purification is to provide the whole solutions of sterilization, dust reduction, haze removal, removal of harmful decoration residues, peculiar smell and the like aiming at various indoor environmental problems, improve the living and office conditions and promote the physical and mental health. The indoor environmental pollutants and pollution sources mainly comprise radioactive gases, mold, particulate matters, decoration residues, second-hand smoke and the like.
At present air purification device is more and more, but most air purification device is mostly with the air transfer to purifying the intracavity, then filters through the filter screen, and this kind of mode is only through the filter screen dust removal in the use, can make the efficiency of purification very low, and the filter screen needs often to be changed for the consumption of filter screen is great, makes practical cost very high.
Disclosure of Invention
The present invention is directed to an air cleaning device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an air purification device, includes the purifying box, is equipped with filtering component and absorption assembly in the purifying box, still is equipped with spray assembly in the purifying box, the purifying box still communicates with the discharge subassembly at top, filtering component is equipped with first dust collection net and second dust collection net including fixing the first stopper in the purifying box in the first stopper, and first dust collection net is fixed on first stopper, and second dust collection net is portable, and filtering component still is equipped with third dust collection net including fixing the second stopper in the purifying box in the activity of second stopper, the tip of third dust collection net and the outer drawing board fixed connection of purifying box.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the air purification box is characterized in that an air pumping box is arranged in the air purification box, one end of the air pumping box is connected with the outside through an air inlet, and the other end of the air pumping box is communicated with the inside of the air purification box through an air outlet.
In one alternative: the top of second dust collecting net is fixed with the connecting plate, and the top of connecting plate is fixed with the connecting block, is fixed with the rack on the connecting plate, and the rack meshes with the drive wheel of rotation connection on the connecting seat, and the connecting seat is fixed in the purifying box outside, connecting block and the guide bar sliding connection on the purifying box.
In one alternative: the spray assembly comprises a water tank arranged outside the purification tank, a first water pump is arranged on the water tank, the output end of the first water pump is connected with a first water outlet pipe, the first water outlet pipe is communicated with a first water storage pipe fixed on the fixing seat, a first spray nozzle is arranged on the first water storage pipe, and the fixing seat is fixed inside the purification tank.
In one alternative: the first water outlet pipe is provided with a flow divider which is communicated with a second water storage pipe through a second water outlet pipe, the second water storage pipe is provided with a second spray head, and the second water storage pipe is rotatably connected with the rotary seat on the fixed seat.
In one alternative: the spray assembly further comprises a water collecting chamber arranged at the bottom of the purification box, a fixing frame is fixedly arranged in the water collecting chamber, a plurality of first filter screens are arranged on the fixing frame, the fixing frame is communicated with a second water pump fixed on the supporting seat through a first water pumping pipe, the output end of the second water pump is communicated with a second water pumping pipe, the second water pumping pipe is communicated with a third water storage pipe, and a third spray head is arranged on the third water storage pipe.
In one alternative: the adsorption component comprises a first fixing plate fixed in the purification box, a transverse plate is fixed between the first fixing plate, a vertical plate is fixed between the transverse plates, the transverse plate and the vertical plate separate the inner space into a plurality of adsorption chambers, and activated carbon is filled in the adsorption chambers.
In one alternative: the discharge assembly comprises a discharge box fixed at the top of the purification box, the discharge box is communicated with the purification box through an air outlet, the discharge box is communicated with the purification box through a return pipe, a second fixing plate is fixed in the discharge box, a second filter screen is arranged on the second fixing plate, a sterilization chamber for sterilization is formed between the second filter screens, an ultraviolet sterilization lamp is arranged in the sterilization chamber, and a discharge port is formed in one end, away from the return pipe, of the discharge box.
Compared with the prior art, the invention has the following beneficial effects:
through the arrangement of the filtering component and the adsorption component, the air purification and adsorption effects can be effectively achieved, the air treatment effect is improved, and through the arrangement of the spraying component, the air can be washed, dust can be effectively removed from the filtering component, and the service life and the use effect of the filtering component can be improved; in addition, second collection dirt net and third collection dirt net among the filtering component are movable for can adjust in the use, have better practicality.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the connection between the connection plate and the driving wheel according to the present invention.
Fig. 3 is a perspective view of the present invention.
Notations for reference numerals: 01-a purifying box, 02-a filtering component, 03-a spraying component, 04-an absorbing component, 05-a discharging component, 11-an air extracting box, 12-an air inlet, 13-an air outlet, 21-a first limiting block, 22-a first dust collecting net, 23-a second dust collecting net, 24-a connecting plate, 25-a connecting block, 26-a guiding rod, 27-a rack, 28-a connecting seat, 29-a driving wheel, 210-a second limiting block, 211-a third dust collecting net, 212-a extracting plate, 31-a water tank, 32-a first water pump, 33-a first water outlet pipe, 34-a fixed seat, 35-a first water storage pipe, 36-a first spray head, 37-a rotating seat, 38-a second water storage pipe, 39-a second spray head, 310-a flow divider, 311-a second water outlet pipe, 312-a water collecting chamber, 313-a fixed frame, 314-a first filter screen, 315-a supporting seat, 316-a second water pump, 317-a first water pumping pipe, 318-a second water pumping pipe, 319-a third water storage pipe, 320-a third spray head, 41-a first fixed plate, 42-a transverse plate, 43-a vertical plate, 44-a vent hole, 45-an adsorption chamber, 51-a discharge box, 52-an air outlet, 53-a return pipe, 54-a second fixed plate, 55-a second filter screen, 56-a sterilization chamber, 57-an ultraviolet sterilization lamp and 58-a discharge port.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1 to 3, in the embodiment of the present invention, an air purification apparatus includes a purification box 01, a filtering component 02 and an adsorption component 04 are disposed in the purification box 01, the entering air can be filtered by the filtering component 02, and impurities in the air can be adsorbed by the adsorption component 04, so that the purification effect is further improved, and the air purification apparatus has a very good practicability; still be equipped with spray set 03 in the purifying box 01, can enough play the effect of washing the air through spray set 03, can also wash spray set 03, improved the cleanliness factor of filtering component 02, and then improved filtering component 02's life, it is very simple.
Further, be equipped with air pumping box 11 in the purifying box 01, air intake 12 is passed through to air pumping box 11 one end and is connected with the external world, and the other end passes through air outlet 13 and the inside intercommunication of purifying box 01, and then conveniently shifts the air in the external world to purify in the purifying box 01, and is very simple.
Further, the filter assembly 02 includes a first limiting block 21 fixed in the purifying box 01, a first dust collecting net 22 and a second dust collecting net 23 are arranged in the first limiting block 21, wherein the first dust collecting net 22 is fixed on the first limiting block 21 to play a role in removing dust from air, the second dust collecting net 23 is movable, the second dust collecting net can be moved in the purifying box 01, the dust removing effect can be improved, different filtering effects can be achieved when the second dust collecting net 23 is moved to different positions, the adjusting device can be adjusted according to actual conditions, and has very good adjusting capability and simultaneously improves the filtering effect.
Furthermore, a connecting plate 24 is fixed on the top of the second dust collecting net 23, and a connecting block 25 is fixed on the top of the connecting plate 24, so that when the connecting plate 24 moves in the vertical direction, the second dust collecting net 23 can be driven to move in the vertical direction, and a very good adjusting capability is achieved; in addition, a rack 27 is fixed on the connecting plate 24, the rack 27 is meshed with a driving wheel 29 which is rotatably connected to a connecting seat 28, when the driving wheel 29 rotates, the connecting plate 24 can be driven to move in the vertical direction, and further the second dust collecting net 23 is driven to move in the vertical direction, the connecting seat 28 is fixed on the outer side of the purifying box 01, the connecting seat 28 can support the driving wheel 29, and meanwhile, the rotation of the driving wheel 29 cannot be influenced, so that the device is very simple; the connecting block 25 is slidably connected with the guide rods 26 on the purifying box 01, and the combination of the connecting block 25 and the guide rods 26 ensures that the connecting plate 24 has very good stability and safety during moving.
Further, the filter assembly 02 further comprises a second limiting block 210 fixed in the purification box 01, a third dust collecting net 211 is movably arranged in the second limiting block 210, namely, the third dust collecting net 211 can move in the purification box 01, so that the third dust collecting net 211 can be conveniently drawn out, the end of the third dust collecting net 211 is fixedly connected with a drawing plate 212 outside the purification box 01, and the third dust collecting net 211 can be drawn out from the inside of the purification box 01 through the drawing plate 212, so that the filter assembly is very simple.
Furthermore, the spraying assembly 03 comprises a water tank 31 arranged outside the purifying tank 01, a first water pump 32 is arranged on the water tank 31, and the output end of the first water pump 32 is connected with a first water outlet pipe 33, so that water in the water tank 31 can be conveniently discharged; the first water outlet pipe 33 is communicated with a first water storage pipe 35 fixed on the fixed seat 34, water in the water tank 31 can be transferred into the first water storage pipe 35, a first spray head 36 is arranged on the first water storage pipe 35, the water can be sprayed out through the first spray head 36, the first dust collection net 22 and the second dust collection net 23 can be cleaned, impurities in air can be washed, the operation is very simple, and the fixed seat 34 is fixed inside the purification tank 01 and plays a supporting and fixing role; the first water outlet pipe 33 is provided with the flow divider 310, the flow divider 310 is communicated with the second water storage pipe 38 through the second water outlet pipe 311, so that part of water can enter the second water storage pipe 38, the second water storage pipe 38 is provided with the second spray nozzle 39, the third dust collecting net 211 can be sprayed through the second spray nozzle 39, the effect of cleaning the third dust collecting net 211 is achieved, and the operation is very simple; the second water storage pipe 38 is rotatably connected with the rotary seat 37 on the fixed seat 34, that is, the angles of the second water storage pipe 38 and the second spray head 39 can be adjusted, so that different positions can be conveniently cleaned, and the cleaning device is very simple.
Furthermore, the spraying assembly 03 also comprises a water collecting chamber 312 arranged at the bottom of the purification box 01, a fixing frame 313 is fixed in the water collecting chamber 312, a plurality of first filter screens 314 are arranged on the fixing frame 313, and the first filter screens 314 can filter water, so that the spraying assembly is very simple; the fixing frame 313 is communicated with the second water pump 316 fixed on the supporting seat 315 through the first water pumping pipe 317, water in the fixing frame 313 can be transferred to the outside through the second water pump 316, the output end of the second water pump 316 is communicated with the second water pumping pipe 318, the second water pumping pipe 318 is communicated with the third water storage pipe 319, the third spray head 320 is arranged on the third water storage pipe 319, the first dust collection net 22 can be cleaned through the third spray head 320, the cleaning effect on the first water pump 32 is further improved, meanwhile, water recycling can be achieved, and water resources are effectively saved.
Further, adsorption component 04 is fixed with diaphragm 42 including fixing the first fixed plate 41 in purifying box 01 between the first fixed plate 41, is fixed with riser 43 between the diaphragm 42, and diaphragm 42 and riser 43 separate the inner space for a plurality of adsorption chambers 45, and the adsorption chambers 45 intussuseption is filled with active carbon, can play the effective absorption to gas through active carbon, has very good practicality and purifying effect.
Through the arrangement of the filtering component 02 and the adsorption component 04, the air purification and adsorption effects can be effectively achieved, the air treatment effect is improved, and through the arrangement of the spraying component 03, the air can be washed, dust can be effectively removed from the filtering component 02, and the service life and the use effect of the filtering component 02 can be improved; in addition, the second dust collecting net 23 and the third dust collecting net 211 in the filtering component 02 are both movable, so that the filtering component can be adjusted in the using process, and has better practicability.
Example 2
The purification box 01 is also communicated with the exhaust assembly 05 at the top, air can be sterilized through the exhaust assembly 05, and the air is exhausted after sterilization, so that a very good purification effect is achieved; the exhaust assembly 05 comprises an exhaust box 51 fixed on the top of the purification box 01, the exhaust box 51 is communicated with the purification box 01 through an air outlet 52, so that air in the purification box 01 can enter the exhaust box 51 through the air outlet 52, the exhaust box 51 is communicated with the purification box 01 through a return pipe 53, so that a part of air flows back into the purification box 01 through the return pipe 53, and the air can be further purified; the discharge box 51 is internally fixed with a second fixing plate 54, the second fixing plate 54 is provided with a second filter screen 55, the second filter screen 55 can play a role of secondary filtration, a sterilizing chamber 56 for sterilization is formed between the second filter screens 55, an ultraviolet sterilizing lamp 57 is arranged in the sterilizing chamber 56, the entering air can be sterilized through the ultraviolet sterilizing lamp 57, the purification effect is further improved, one end of the discharge box 51, which is far away from the return pipe 53, is provided with a discharge port 58, and the air can be discharged through the discharge port 58.
The working principle of the invention is as follows: can shift the air to the purifying box 01 in through air pumping box 11, at first filter through first collection dirt net 22 and second collection dirt net 23 and remove dust, then wash the air through spray set 03, wash first collection dirt net 22 and second collection dirt net 23 in the washing process, the air adsorbs through adsorption component 04 after the washing is accomplished, get into discharge box 51 through air outlet 52 after the absorption is accomplished, partly air passes through back flow 53 and gets into in the purifying box 01, partly enters into retort room 56 and disinfects, discharge port 58 is discharged at last.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (8)

1. An air purification device comprises a purification box (01), and is characterized in that a filtering component (02) and an adsorption component (04) are arranged in the purification box (01), a spraying component (03) is also arranged in the purification box (01), the purification box (01) is also communicated with a discharge component (05) at the top, the filter assembly (02) comprises a first limiting block (21) fixed in the purifying box (01), a first dust collecting net (22) and a second dust collecting net (23) are arranged in the first limiting block (21), the first dust collecting net (22) is fixed on the first limiting block (21), the second dust collecting net (23) is movable, the filter assembly (02) further comprises a second limiting block (210) fixed in the purifying box (01), a third dust collecting net (211) is arranged in the second limiting block (210) in an inner movable mode, and the end of the third dust collecting net (211) is fixedly connected with a drawing plate (212) outside the purifying box (01).
2. The air purification device according to claim 1, wherein an air suction box (11) is arranged in the purification box (01), one end of the air suction box (11) is connected with the outside through an air inlet (12), and the other end of the air suction box is communicated with the inside of the purification box (01) through an air outlet (13).
3. The air cleaning device according to claim 1, wherein a connecting plate (24) is fixed on the top of the second dust collecting net (23), a connecting block (25) is fixed on the top of the connecting plate (24), a rack (27) is fixed on the connecting plate (24), the rack (27) is meshed with a driving wheel (29) rotatably connected to a connecting seat (28), the connecting seat (28) is fixed on the outer side of the cleaning box (01), and the connecting block (25) is slidably connected with a guide rod (26) on the cleaning box (01).
4. The air purification device according to claim 1, wherein the spray assembly (03) comprises a water tank (31) disposed outside the purification tank (01), a first water pump (32) is disposed on the water tank (31), an output end of the first water pump (32) is connected to a first water outlet pipe (33), the first water outlet pipe (33) is communicated with a first water storage pipe (35) fixed on the fixing seat (34), a first spray nozzle (36) is disposed on the first water storage pipe (35), and the fixing seat (34) is fixed inside the purification tank (01).
5. The air purification device as claimed in claim 4, wherein a diverter (310) is provided on the first water outlet pipe (33), the diverter (310) is communicated with the second water storage pipe (38) through a second water outlet pipe (311), a second spray nozzle (39) is provided on the second water storage pipe (38), and the second water storage pipe (38) is rotatably connected with the rotary seat (37) on the fixed seat (34).
6. The air purification device according to claim 4, wherein the spray assembly (03) further comprises a water collection chamber (312) arranged at the bottom of the purification box (01), a fixing frame (313) is fixed in the water collection chamber (312), a plurality of first filter screens (314) are arranged on the fixing frame (313), the fixing frame (313) is communicated with a second water pump (316) fixed on the supporting seat (315) through a first water pumping pipe (317), an output end of the second water pump (316) is communicated with a second water pumping pipe (318), the second water pumping pipe (318) is communicated with a third water storage pipe (319), and a third spray head (320) is arranged on the third water storage pipe (319).
7. The air purification device according to claim 1, wherein the adsorption assembly (04) comprises first fixing plates (41) fixed in the purification box (01), transverse plates (42) are fixed between the first fixing plates (41), vertical plates (43) are fixed between the transverse plates (42), the transverse plates (42) and the vertical plates (43) divide the inner space into a plurality of adsorption chambers (45), and activated carbon is filled in the adsorption chambers (45).
8. The air purification device according to claim 1, wherein the exhaust assembly (05) comprises an exhaust box (51) fixed on the top of the purification box (01), the exhaust box (51) is communicated with the purification box (01) through an air outlet (52), the exhaust box (51) is communicated with the purification box (01) through a return pipe (53), a second fixing plate (54) is fixed in the exhaust box (51), a second filter screen (55) is arranged on the second fixing plate (54), a sterilization chamber (56) for sterilization is formed between the second filter screens (55), an ultraviolet sterilization lamp (57) is arranged in the sterilization chamber (56), and an exhaust port (58) is arranged at one end of the exhaust box (51) far away from the return pipe (53).
CN202010827262.0A 2020-08-17 2020-08-17 Air purifying device Withdrawn CN111939675A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010827262.0A CN111939675A (en) 2020-08-17 2020-08-17 Air purifying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010827262.0A CN111939675A (en) 2020-08-17 2020-08-17 Air purifying device

Publications (1)

Publication Number Publication Date
CN111939675A true CN111939675A (en) 2020-11-17

Family

ID=73342644

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010827262.0A Withdrawn CN111939675A (en) 2020-08-17 2020-08-17 Air purifying device

Country Status (1)

Country Link
CN (1) CN111939675A (en)

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Application publication date: 20201117

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