CN215175770U - Air purifier with sterilization function - Google Patents
Air purifier with sterilization function Download PDFInfo
- Publication number
- CN215175770U CN215175770U CN202120884584.9U CN202120884584U CN215175770U CN 215175770 U CN215175770 U CN 215175770U CN 202120884584 U CN202120884584 U CN 202120884584U CN 215175770 U CN215175770 U CN 215175770U
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- CN
- China
- Prior art keywords
- purifier
- air
- filter
- box
- mounting bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 55
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 36
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 230000000249 desinfective effect Effects 0.000 claims abstract description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 244000052616 bacterial pathogen Species 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 2
- 230000003115 biocidal effect Effects 0.000 claims 3
- 244000005700 microbiome Species 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000001580 bacterial effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 10
- 241000894006 Bacteria Species 0.000 description 8
- 239000013307 optical fiber Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 241000233866 Fungi Species 0.000 description 3
- 241000700605 Viruses Species 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000809 air pollutant Substances 0.000 description 2
- 231100001243 air pollutant Toxicity 0.000 description 2
- 239000013566 allergen Substances 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000002386 air freshener Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model relates to an air purifier technical field especially relates to an air purifier with function of disinfecting, including the clarifier casing, the clarifier box, the front shroud, back shroud and filtration sterilizing equipment, the clarifier casing cover is established in the outside of clarifier box, through the mutual fixed connection of bolt between clarifier casing and the clarifier box, the front shroud sets up the front end at the clarifier box, the back shroud sets up the rear end at the clarifier box, the front shroud all with the back shroud between be connected for dismantling, first mounting bracket of fixedly connected with and second mounting bracket in the clarifier box, fixedly connected with driving motor on first mounting bracket, filtration sterilizing equipment sets up on the second mounting bracket, be connected for dismantling between filtration sterilizing equipment and the second mounting bracket. The utility model discloses can effectively exterminate the bacterial microorganism in the air, have that bactericidal effect is good, the high and extensive advantage of being suitable for of sterilization efficiency.
Description
Technical Field
The utility model relates to an air purifier technical field especially relates to an air purifier with function of disinfecting.
Background
At present, along with the improvement of people's life, people pay more and more attention to the health problem caused by air pollution, decoration pollution also becomes an important pollution source of resident life, and air purifiers are popular to more and more people. The air purifier is a product capable of adsorbing, decomposing or converting various air pollutants (generally including decoration pollution such as dust, pollen, peculiar smell and formaldehyde, bacteria, allergen and the like) and effectively improving the air cleanliness, is also called as an air purifier, an air freshener and a purifier, is a product capable of adsorbing, decomposing or converting various air pollutants (generally including decoration pollution such as PM2.5, dust, pollen, peculiar smell and formaldehyde, bacteria, allergen and the like) and effectively improving the air cleanliness, and is mainly divided into household, commercial, industrial and building products. There are a number of different technologies and media in air purifiers that enable them to provide clean and safe air to users. Common air purification techniques are: adsorption technology, negative (positive) ion technology, catalytic technology, photocatalyst technology, superstructure mineralization by light technology, HEPA high efficiency filtration technology, electrostatic precipitation technology, etc.; the material technology mainly comprises the following steps: photocatalyst, active carbon, synthetic fiber, HEPA high-efficiency material, negative ion generator and the like. The existing air purifier is mostly of a composite type, namely, a plurality of purification technologies and material media are adopted at the same time.
The existing air purifier with the sterilization function has the problems of low sterilization efficiency, unsatisfactory sterilization effect and narrow application range.
There is therefore a need for an air purifier having a sterilization function that can solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the weak point among the prior art, provide an air purifier with bactericidal function, including clarifier casing, clarifier box, front shroud, back shroud and filtration sterilizing equipment, the utility model provides an optical fiber's antibacterial filter adopts UV sterilamp, can follow the bacterium of getting rid of in the air, and UV sterilamp can be to the ultraviolet ray through the direct irradiation of optical fiber's surface emission, can exterminate the microorganism harmful to the human body such as bacterium, fungi, the virus that collect at the filter effectively in very short time.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the utility model provides an air purifier with sterilization function, includes clarifier casing, clarifier box, front shroud, back shroud and filtration sterilizing equipment, the clarifier casing cover is established the outside of clarifier box, the clarifier casing with through the mutual fixed connection of bolt between the clarifier box, the front shroud sets up the front end of clarifier box, the back shroud sets up the rear end of clarifier box, front shroud and back shroud all with be connected for dismantling between the clarifier box, first mounting bracket of fixedly connected with and second mounting bracket in the clarifier box, fixedly connected with driving motor on first mounting bracket, filtration sterilizing equipment sets up on the second mounting bracket, is connected for dismantling between filtration sterilizing equipment and the second mounting bracket.
Further, air filter equipment is including HEPA filter, antibacterial filter and ultraviolet ray sterilization mechanism, the HEPA filter set up antibacterial filter with between the back shroud, it has the active carbon filter layer to fill between HEPA filter and antibacterial filter.
Further, the ultraviolet sterilization mechanism is connected to one side of the antibacterial filter, and the ultraviolet sterilization mechanism adopts a UV sterilization lamp for killing germs in the air.
Furthermore, the purifier shell consists of a front side plate, a rear side plate and a top plate, and the front side plate, the rear side plate and the top plate are fixedly connected with each other.
Further, the inside of clarifier box is provided with and is used for monitoring air quality particle sensor, and this particle sensor passes through the connecting piece with the inside wall interconnect of preceding curb plate.
Further, one end of the driving motor is provided with a centrifugal wind wheel, the centrifugal wind wheel is arranged inside the purifier box body, and the output end of the driving motor is in driving connection with the centrifugal wind wheel.
Further, the driving motor is fixedly connected with the first mounting frame through a motor fixing support, an air guide plate is fixedly connected to one end of the centrifugal wind wheel, and an air guide opening is formed in the air guide plate.
Further, the front cover plate is wrapped with a nano-silver filter screen, the front cover plate is provided with a heat dissipation opening, and the heat dissipation opening is arranged at the lower end of the nano-silver filter screen.
Further, a liquid crystal touch screen is installed on the front cover plate and arranged at the upper end of the nano-silver filter screen.
Further, the antibacterial filter adopts optical fiber mixed non-woven fabrics.
The utility model has the advantages that: the utility model provides an air purifier with sterilization function, which comprises a purifier shell, a purifier box body, a front cover plate, a back cover plate and an air filtering and sterilizing device, wherein the purifier shell is sleeved outside the purifier box body, the purifier shell and the purifier box body are fixedly connected with each other through bolts, the front cover plate is arranged at the front end of the purifier box body, the back cover plate is arranged at the back end of the purifier box body, the front cover plate and the back cover plate are detachably connected with the purifier box body, a first mounting frame and a second mounting frame are fixedly connected in the purifier box body, a driving motor is fixedly connected on the first mounting frame, the air filtering and sterilizing device is arranged on the second mounting frame, and the air filtering and sterilizing device and the second mounting frame are detachably connected, the antibacterial filter of optical fiber in the utility model adopts a UV sterilizing lamp, which can remove bacteria from the air, the UV sterilamp can be to the ultraviolet ray through the direct irradiation of surface emission of optic fibre, can exterminate the microorganism harmful to the human body such as bacterium, fungi, virus that collect at the filter effectively in very short time, the utility model discloses install nanometer silver filter screen on the front shroud, can carry out secondary filter to the air and disinfect, can effectively exterminate the bacterial microorganism, have that bactericidal effect is good, the bactericidal efficiency is high and be suitable for extensive advantage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of the explosion structure of the present invention.
Fig. 2 is a schematic side sectional structure view of the present invention.
Fig. 3 is a schematic perspective view of the front cover plate of the present invention.
Wherein:
1. a purifier housing; 2. A front side plate; 3. A rear side plate;
4. a top plate; 5. A connecting member; 6. A rear cover plate;
7. a HEPA filter; 8. An antimicrobial filter; 9. A purifier box body;
10. a first mounting bracket; 11. A second mounting bracket; 12. A centrifugal wind wheel;
13. a drive motor; 14. A motor fixing bracket; 15. A front cover plate;
16. a liquid crystal touch screen; 17. A particle sensor; 18. An ultraviolet sterilization mechanism;
19. an air deflector; 20. An air diversion port; 21. An activated carbon filter layer;
22. a nano silver filter screen; 23. A heat dissipation port;
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly specified or limited, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
FIG. 1 is a schematic diagram of an explosion structure of the present invention, FIG. 2 is a schematic diagram of a side sectional structure of the present invention, FIG. 3 is a schematic diagram of a three-dimensional structure of a front cover plate 15 of the present invention, and FIGS. 1, 2 and 3 show an air purifier with sterilization function, which comprises a purifier housing 1, a purifier housing 9, a front cover plate 15, a rear cover plate 6 and an air filtering and sterilizing device, wherein the purifier housing 1 is sleeved outside the purifier housing 9, the purifier housing 1 and the purifier housing 9 are fixedly connected with each other by bolts, the front cover plate 15 is disposed at the front end of the purifier housing 9, the rear cover plate 6 is disposed at the rear end of the purifier housing 9, the front cover plate 15 and the rear cover plate 6 are detachably connected with the purifier housing 9, a first mounting frame 10 and a second mounting frame 11 are fixedly connected in the purifier housing 9, fixedly connected with driving motor 13 on first mounting bracket 10, filtration sterilizing equipment sets up on second mounting bracket 11, and for dismantling between filtration sterilizing equipment and the second mounting bracket 11 and be connected, the utility model discloses still be provided with switch (not shown in the figure), this switch installs on front shroud 15 for receive electric power and convey driving motor 13 with electric power from the power.
Example 2:
FIG. 1 is a schematic diagram of an explosion structure of the present invention, FIG. 2 is a schematic diagram of a side sectional structure of the present invention, FIG. 3 is a schematic diagram of a three-dimensional structure of a front cover plate 15 of the present invention, and FIGS. 1, 2 and 3 show an air purifier with sterilization function, the air filtering device includes a HEPA filter 7, an antibacterial filter 8 and an ultraviolet sterilization mechanism 18, the HEPA filter 7 is disposed between the antibacterial filter 8 and the rear cover plate 6, an active carbon filter layer 21 is filled between the HEPA filter 7 and the antibacterial filter 8, the ultraviolet sterilization mechanism 18 is connected to one side of the antibacterial filter 8, the ultraviolet sterilization mechanism 18 adopts a UV germicidal lamp for killing germs in the air, the purifier housing 1 is composed of a front side plate 2, a rear side plate 3 and a top plate 4, the front side plate 2, the rear side plate 3 and the top plate 4 are fixedly connected to each other, the inside of clarifier box 9 is provided with and is used for monitoring air quality particle sensor 17, this particle sensor 17 through connecting piece 5 with the inside wall interconnect of preceding curb plate 2, the utility model discloses the particle sensor 17 that sets up can monitor near the air quality to further send signal to the controller to improve or reduce centrifugal wind wheel 12's slew velocity according to the granule volume in the room.
Example 3:
fig. 1 is a schematic diagram of an explosion structure of the present invention, fig. 2 is a schematic diagram of a side sectional structure of the present invention, fig. 3 is a schematic diagram of a three-dimensional structure of a front cover plate 15 of the present invention, and fig. 1, fig. 2 and fig. 3 show an air purifier with sterilization function, wherein a centrifugal wind wheel 12 is disposed at one end of a driving motor 13, the centrifugal wind wheel 12 is disposed inside a purifier box 9, an output end of the driving motor 13 is in driving connection with the centrifugal wind wheel 12, the driving motor 13 is fixedly connected with the first mounting frame 10 through a motor fixing bracket 14, an air guide plate 19 is fixedly connected to one end of the centrifugal wind wheel 12, an air guide opening 20 is formed in the air guide plate 19, a nano silver filter net 22 is wrapped on the front cover plate 15, a heat dissipation opening 23 is formed in the front cover plate 15, the heat dissipation opening 23 is disposed at a lower end of the nano silver filter net 22, can dispel the heat to clarifier box 9, install liquid crystal touch screen 16 on the front shroud 15, this liquid crystal touch screen 16 sets up nanometer silver filter screen 22's upper end, antibacterial filter 8 adopts the mixed non-woven fabrics of optical fiber, the utility model discloses the liquid crystal touch screen 16 that sets up can show air quality and filter life to and ultraviolet ray sterilization mechanism 18's state, this liquid crystal touch screen 16 can also be used to the speed control that uses user control driving motor 13.
The working mode is as follows: the utility model provides an air purifier with sterilization function, when the utility model is used, the air flow passes through the mesh on the back cover plate 6, then is purified through the antibacterial filter 8, the active carbon filter layer 21 and the HEPA filter 7, then the purified air passes through the centrifugal wind wheel 12 through the air diversion port 20 arranged on the air diversion plate 19, and the purified air is blown out from the mesh of the nano silver filter screen 22 arranged on the front cover plate 15 through the centrifugal wind wheel 12, the antibacterial filter 8 of the optical fiber in the utility model adopts the UV ultraviolet sterilizing lamp which can remove bacteria from the air, the UV sterilizing lamp can effectively kill the bacteria, fungi, viruses and other microorganisms harmful to human body which are collected on the filter in a very short time, can carry out secondary filtration sterilization to the air, can effectively kill bacterial microorganism, have that bactericidal effect is good, the efficiency of disinfecting is high and be suitable for extensive advantage.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides an air purifier with function of disinfecting, includes clarifier casing (1), clarifier box (9), front shroud (15), back shroud (6) and filtration sterilizing equipment, its characterized in that: the utility model discloses a purifier box, including purifier box (9), purifier casing (1), front shroud (15), back shroud (6) and front shroud (6), purifier casing (1) cover is established the outside of purifier box (9), purifier casing (1) with through the mutual fixed connection of bolt between purifier box (9), front shroud (15) set up the front end of purifier box (9), back shroud (6) all with be connected for dismantling between purifier box (9), first mounting bracket of fixedly connected with (10) and second mounting bracket (11) in purifier box (9), fixedly connected with driving motor (13) on first mounting bracket (10), filtration sterilizing equipment sets up on second mounting bracket (11), is connected for dismantling between filtration sterilizing equipment and the second mounting bracket (11).
2. The air purifier with sterilization function of claim 1, wherein: air filter equipment is including HEPA filter (7), antibiotic filter (8) and ultraviolet sterilization mechanism (18), HEPA filter (7) set up antibiotic filter (8) with between back shroud (6), it has activated carbon filter layer (21) to fill between HEPA filter (7) and antibiotic filter (8).
3. The air purifier with sterilization function of claim 2, wherein: the ultraviolet sterilization mechanism (18) is connected to one side of the antibacterial filter (8), and the ultraviolet sterilization mechanism (18) adopts a UV sterilization lamp and is used for killing germs in the air.
4. The air purifier with sterilization function of claim 1, wherein: the purifier shell (1) is composed of a front side plate (2), a rear side plate (3) and a top plate (4), and the front side plate (2), the rear side plate (3) and the top plate (4) are fixedly connected with each other.
5. The air purifier with sterilization function of claim 4, wherein: the inside of clarifier box (9) is provided with and is used for monitoring air quality particle sensor (17), this particle sensor (17) through connecting piece (5) with the inside wall interconnect of preceding curb plate (2).
6. The air purifier with sterilization function of claim 1, wherein: one end of the driving motor (13) is provided with a centrifugal wind wheel (12), the centrifugal wind wheel (12) is arranged inside the purifier box body (9), and the output end of the driving motor (13) is in driving connection with the centrifugal wind wheel (12) mutually.
7. The air purifier with sterilization function of claim 6, wherein: the driving motor (13) is fixedly connected with the first mounting rack (10) through a motor fixing support (14), an air guide plate (19) is fixedly connected with one end of the centrifugal wind wheel (12), and an air guide opening (20) is formed in the air guide plate (19).
8. The air purifier with sterilization function of claim 1, wherein: the front cover plate (15) is coated with a nano-silver filter screen (22), the front cover plate (15) is provided with a heat dissipation opening (23), and the heat dissipation opening (23) is arranged at the lower end of the nano-silver filter screen (22).
9. The air purifier with sterilization function of claim 8, wherein: the liquid crystal touch screen (16) is installed on the front cover plate (15), and the liquid crystal touch screen (16) is arranged at the upper end of the nano silver filter screen (22).
10. The air purifier with sterilization function of claim 1, wherein: the antibacterial filter (8) is made of fiber mixed non-woven fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120884584.9U CN215175770U (en) | 2021-04-27 | 2021-04-27 | Air purifier with sterilization function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120884584.9U CN215175770U (en) | 2021-04-27 | 2021-04-27 | Air purifier with sterilization function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215175770U true CN215175770U (en) | 2021-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120884584.9U Expired - Fee Related CN215175770U (en) | 2021-04-27 | 2021-04-27 | Air purifier with sterilization function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215175770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857723A (en) * | 2022-04-20 | 2022-08-05 | 深圳市赛普洁净技术有限公司 | Air purifier convenient to change adsorbent |
-
2021
- 2021-04-27 CN CN202120884584.9U patent/CN215175770U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857723A (en) * | 2022-04-20 | 2022-08-05 | 深圳市赛普洁净技术有限公司 | Air purifier convenient to change adsorbent |
| CN114857723B (en) * | 2022-04-20 | 2024-08-16 | 深圳市赛普洁净技术有限公司 | Air purifier convenient to change adsorbent |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20211214 |