CN211781644U - Indoor air purification and disinfection machine - Google Patents
Indoor air purification and disinfection machine Download PDFInfo
- Publication number
- CN211781644U CN211781644U CN202020454804.XU CN202020454804U CN211781644U CN 211781644 U CN211781644 U CN 211781644U CN 202020454804 U CN202020454804 U CN 202020454804U CN 211781644 U CN211781644 U CN 211781644U
- Authority
- CN
- China
- Prior art keywords
- disinfection
- filter screen
- indoor air
- air
- ultraviolet lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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 discloses an indoor air purification and disinfection machine, which comprises a machine body, wherein the machine body is provided with an air outlet part and an air inlet part, an anion generator is arranged in the air outlet part, and the air outlet part is used for blowing anions generated by the anion generator into the room; be equipped with filter screen and disinfection subassembly in the air inlet portion, the air inlet portion is used for inhaling indoor air, and passes through the filter screen is accomplished and is filtered, the disinfection subassembly is used for right the filter screen carries out disinfection. The utility model discloses an optimize and adopt circulated air purification disinfection mode, utilize the anion to realize gathering such as particle, germ and form the granule, realize the interception disinfection of disinfecting in getting into degassing unit along with the air current circulation, have that the ultraviolet dose is big, luminous power is little, efficient, with low costs specific.
Description
Technical Field
The utility model relates to an air purification disinfecting equipment technical field, in particular to indoor air purification disinfecting machine.
Background
Along with the continuous improvement of the living standard of people, the requirements of people on the quality of air are higher and higher, so that the requirements of people on the air purifying sterilizer are higher and higher. Particularly, in areas such as hospital wards, hotels, apartments and urban residential quarters, germs are easily bred due to relatively poor air quality, and the health requirements of indoor living are not facilitated. How to purify and disinfect germs, infectious viruses, microparticles and the like in indoor air and purify the indoor air, the existing more disinfection modes comprise medicine fumigation, steaming, liquid medicine spraying, ultraviolet lamp irradiation, negative ion purification and the like, but all have certain limitations. The medicine is smoked, steamed and the liquid medicine is sprayed by the artificial continuous and repeated operation, the operation is complicated, the medicine usage amount is large, the use cost is high, and dead angles exist easily.
Therefore, if the publication number is CN208735796U, a nano-catalyst air purification sterilizer is disclosed, which comprises an air purification sterilizer main body, wherein a purification and disinfection column and a groove rod are fixedly installed on the outer surface of the upper end of the air purification sterilizer main body, the purification and disinfection column is located at the front end of the groove rod, a top plate is fixedly installed on the outer surface of the upper end of the purification and disinfection column, a spice box is fixedly connected to the outer surface of the upper end of the top plate, and an air exhaust mechanism is fixedly connected to the outer surface of the rear end of the groove rod. Above-mentioned technical scheme adopts inside inhaling the air, through the irradiation of inside photocatalyst material cooperation purple light lamp to formaldehyde and benzene among the air decompose, make it become harmless water and carbon dioxide, thereby reach the purpose of disinfecting and decomposing harmful gas.
Also like CN108534244A, it discloses a non-cleaning intelligent ultraviolet air sterilizer with strong purification ability, comprising an air guide mechanism, a dust chamber, a sterilization chamber, a processing chamber, an exhaust pipe, a water storage tank and a controller, a dust removal mechanism is arranged in the dust chamber, a sterilization mechanism is arranged in the sterilization chamber, the dust removal mechanism comprises a water injection component and a plurality of dust removal components, the dust removal components comprise two baffles, the water injection component comprises a water inlet pipe, a floating plate, a block and two limit units, the sterilization mechanism comprises an air inlet pipe, an air outlet pipe, a plurality of sterilization components and a plurality of connecting pipes, the non-cleaning intelligent ultraviolet air sterilizer with strong purification ability automatically injects water into the dust chamber through the dust removal mechanism, and fully absorbs dust in the air through aqueous solution, thereby preventing the dust from attaching to the lamp tube, not only the circulation time of the air is prolonged through the sterilization mechanism, and the ultraviolet irradiation dose in unit time is increased, thereby greatly enhancing the sterilization and disinfection capability and improving the practicability of the equipment.
If the bulletin number is CN104436273B, an air purification sterilizing machine is disclosed, which comprises a shell, wherein the bottom of the shell is provided with an air inlet, the top of the shell is provided with an air outlet, and the air outlet is provided with an air diversion grid.
The technical scheme is that the disinfection function is generally realized through ultraviolet light, but the ultraviolet light disinfection function is only used for disinfection of air, the optimized design aim is to increase the ultraviolet irradiation dose in unit time by prolonging the circulation time of the air so as to improve the disinfection effect, but the internal structure of the ultraviolet light disinfection device is complex, and the disinfection effect achieved on the air in unit time is relatively general.
The existing negative ion purification equipment or ultraviolet disinfection equipment usually adopts independent equipment to realize disinfection or purification. Independent disinfection and purification equipment has partly integrated ultraviolet ray light disinfection function and anion purification performance in addition, but wherein play the disinfection effect adopt ultraviolet ray light disinfection, ultraviolet ray light disinfection function is only used for circulating air's disinfection usually, air cycle leads to the air dwell time in disinfection cavity to be short, therefore ultraviolet ray light is relatively poor to circulating air disinfection's effect, can't satisfy some high standard demands, in time ultraviolet ray light power adjustment is extremely high, can't reach good disinfection and isolation effect equally, can't accord with the relevant requirement of "disinfection technical specification" (2002 edition). In addition, negative ions can only reach aggregation and sedimentation, and effective sterilization cannot be realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an indoor air purification sterilizing machine for solve above-mentioned technical problem, optimize and adopt circulated air purification disinfection mode, utilize the anion to realize gathering such as particle, germ and form the granule, realize the interception disinfection of disinfecting in getting into degassing unit along with the air current circulation.
The utility model provides a technical problem can adopt following technical scheme to realize:
an indoor air purification and disinfection machine comprises a machine body, wherein the machine body is provided with an air outlet part and an air inlet part, a negative ion generator is arranged in the air outlet part, and the air outlet part is used for blowing negative ions generated by the negative ion generator into a room; be equipped with filter screen and disinfection subassembly in the air inlet portion, the air inlet portion is used for inhaling indoor air, and passes through the filter screen is accomplished and is filtered, the disinfection subassembly is used for right the filter screen carries out disinfection.
The disinfection subassembly includes at least one ultraviolet lamp plate, the ultraviolet lamp plate towards the filter screen shines.
The filter screen adopts an electrostatic electret filter screen.
The ultraviolet lamp plate includes aluminium base board, sets up power module and a plurality of LED ultraviolet lamp pearl of installing on aluminium base board.
Still include the casing, be equipped with a plurality of lamp plate installation cavity in the casing, the lamp plate installation cavity is used for in the cooperation installation of ultraviolet lamp plate.
A plurality of lamp plate installation cavity is interval array and arranges.
The inner side surface of the shell is used for installing a filter screen in a matching mode.
A ventilation cavity is arranged in the shell.
The thickness of the filter screen is 5 mm-200 mm.
The interval between the disinfection component and the filter screen is 5 mm-200 mm.
Compared with the prior art, the utility model have following outstanding advantage and effect: the utility model discloses an optimize and adopt circulated air purification disinfection mode, utilize the anion to realize gathering such as particle, germ and form the granule, realize the interception disinfection of disinfecting in getting into degassing unit along with the air current circulation, have that the ultraviolet dose is big, luminous power is little, efficient, with low costs specific.
The features of the present invention will be apparent from the accompanying drawings and from the detailed description of the preferred embodiments which follows.
Drawings
Fig. 1 is a schematic view of an overall installation structure of the present invention;
FIG. 2 is a schematic view of the overall installation structure of the present invention;
FIG. 3 is a schematic view of the split structure of the present invention;
FIG. 4 is a schematic view of the mounting structure of the housing and the filter screen of the present invention;
FIG. 5 is a first schematic view of the sterilizing assembly, the housing and the filter screen of the present invention;
FIG. 6 is a schematic structural view of the disinfecting assembly, the housing and the filter screen of the present invention;
fig. 7 is a schematic view of the ultraviolet lamp panel of the present invention;
wherein, 1, the body; 2. an air outlet part; 3. an air inlet part; 4. a negative ion generator; 5. a housing; 51. a lamp panel mounting cavity; 52. a ventilation cavity; 6. filtering with a screen; 7. an ultraviolet lamp panel; 71. LED ultraviolet lamp beads; 72. an aluminum substrate; 73. and a power supply module.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
As shown in fig. 1 to 7, the indoor air purifying and sterilizing machine provided by the present invention comprises a machine body 1, wherein the machine body 1 is provided with an air outlet portion 2 and an air inlet portion 3, an anion generator 4 is arranged in the air outlet portion 2, and the air outlet portion 2 is used for blowing anions generated by the anion generator 4 into a room; be equipped with filter screen 6 and disinfection subassembly in the air inlet portion 3, air inlet portion 3 is used for inhaling indoor air to accomplish through filter screen 6 and filter, the disinfection subassembly is used for carrying out disinfection treatment to filter screen 6.
Preferably, the air outlet part 2 blows negative ions generated by the negative ion generator into the room through air outlet, and the number of the negative ion generators 4 is at least one; the quantity of the negative ion generators 4 is matched and selected according to the size of indoor space or the specification and the size of a product, the negative ion generators 4 are preferably miniature negative ion generators commonly used in the prior art, and the installation positions of the negative ion generators 4 on the air outlet part 2 are arranged and adjusted at intervals according to the specification and the size of an air outlet grille; according to the indoor space requirement, a plurality of negative ion generators can be arranged, the total quantity of negative ions is improved, and the air purification and the aggregation of substances such as micro-particles in a large space are facilitated.
The preferred embodiment comprises a disinfecting assembly, a filter screen 6 and a housing 5 for mounting the disinfecting assembly and the filter screen 6; the disinfection component comprises at least one ultraviolet lamp panel 7, the ultraviolet lamp panel 7 irradiates towards the filter screen 6, the filter screen 6 preferably adopts an electrostatic electret filter screen, the filter screen 6 is used for filtering air in the air inlet part 3, negative ions generated by the negative ion generator 4 are blown into a room through the air outlet part 2, so that substances such as bacteria, viruses and particles carried in the indoor air are gathered and enlarged, the air inlet part 3 realizes circulating air inlet, the gathered and enlarged particles in the air enter the air inlet part, and the filter screen 6 is used for filtering, so that the grade requirement and the specification requirement of the fan of the filter screen 6 can be reduced, and the characteristics of lower resistance of the filter screen 6, lower electric power of a motor, lower running cost and lower noise are realized; in addition, the ultraviolet lamp panel 7 irradiates towards the filter screen 6 to realize sterilization and disinfection treatment on the filter screen, the filter screen 6 adsorbs and intercepts negatively charged aggregate particles to enable bacteria, viruses, particles and the like in the air to stay on the filter screen, the ultraviolet lamp panel 7 irradiates towards the filter screen 6, and ultraviolet rays realize sterilization and disinfection on microorganisms intercepted by the filter screen 6, so that the ultraviolet disinfection dose is improved, the light power energy consumption is reduced, and the cost is also reduced.
Preferably, in this embodiment, the ultraviolet lamp panel 7 includes an aluminum substrate 72, a power module 73 disposed on the aluminum substrate 72 and a plurality of LED ultraviolet lamp beads 71 mounted on the aluminum substrate 72, the LED ultraviolet lamp beads 71 are soldered on the aluminum substrate 72 by reflow, in addition, a heat sink for dissipating heat is usually disposed on the aluminum substrate 72, the ultraviolet lamp panel 7 is fixedly mounted in the housing 5, the LED ultraviolet lamp beads 71 realize ultraviolet lamp light irradiation facing the filter screen 6, and the LED ultraviolet lamp beads 71 have the characteristics of small size, long service life, low energy consumption, high optical wave purity, short emission distance, and no leakage.
Preferably, be equipped with a plurality of lamp plate installation cavity 51 in the casing 5 in this embodiment, lamp plate installation cavity 51 is used for installing in the cooperation of ultraviolet lamp plate 7, and wherein filter screen 6 is located casing 5 inside part usually, and the air inlet grid with the air inlet portion is both sides distribution usually.
Preferably, a plurality of lamp plate installation cavity 61 is interval array and arranges in this embodiment, increases ultraviolet lamp plate 7 and shines the area, improves disinfection effect.
Preferably, in the present embodiment, a ventilation cavity 52 is provided in the housing 5 to facilitate air intake.
Preferably, the thickness of the filter screen 6 in this embodiment is 5mm to 200mm, preferably 5mm to 60 mm.
Preferably, the distance between the disinfection component and the filter screen 6 is 5 mm-200 mm, and preferably 10 mm-100 mm, wherein the distance is convenient for realizing the maximum ultraviolet light irradiation disinfection of the ultraviolet light in the disinfection component on the filter screen; the illumination angle of the single LED ultraviolet lamp bead 71 is 5-180 degrees, the distance between the LED ultraviolet lamp beads 71 and the distance between the LED ultraviolet lamp beads and the filter screen 6 are preferably arranged, and illumination disinfection of the largest area is achieved.
The working principle in this embodiment is as follows: the indoor air circulation is realized by utilizing the air outlet part and the air inlet part, and the negative ions are generated by arranging the negative ion generator at the air outlet part, so that the negative ions are brought into the indoor air along with the air outlet of the air outlet part, and the particles, germs and the like in the indoor air can be gathered; because different indoor bacteria, viruses and the like need a certain time to participate in ultraviolet disinfection reaction, namely, the dose = intensity μ w/cm s time, because the air circulation fluid speed is high (more than 1 m/s), even a high-intensity ultraviolet lamp tube cannot meet the requirement of instant disinfection and sterilization, bacteria, viruses and the like can be intercepted and stopped, and only the bacteria, the viruses and the like can be intercepted and stopped to be efficiently sterilized, the indoor air is sucked by combining an air inlet part for circulation, the gathered and enlarged particles and pathogen aggregates are adsorbed by the filter screen, so that the isolated air enters the circulation, the ultraviolet lamp panel in the disinfection component is combined to realize the ultraviolet lamp light irradiation disinfection of the filter screen, and the ultraviolet lamp panel performs the long-time ultraviolet lamp light irradiation disinfection on the filter screen, so that a good disinfection effect can be realized.
The utility model discloses an optimize and adopt circulated air purification disinfection mode, utilize the anion to realize gathering such as particle, germ and form the granule, realize the interception disinfection of disinfecting in getting into degassing unit along with the air current circulation, have that the ultraviolet dose is big, luminous power is little, efficient, with low costs specific.
In the technical scheme disclosed in the embodiment, the following contents are obtained by one party through detection:
the detection basis is as follows: 2.1.3 air disinfection effect identification test of the department of health, disinfection technical Specification (2002 edition).
Detecting items: and (4) performing an air sterilization field test on a sterilization instrument.
The detection method comprises the following steps: 1. installing the equipment to be detected into a test space, closing a door and a window, and sampling by using a six-level sieve mesh air impact type microorganism sampler for 0min to obtain a sample before test (the number of control bacteria before disinfection); 2. starting the device, closing the device after running for 120min, sampling by using a six-level sieve pore air impact type microorganism sampler, and obtaining a sample after the test (the number of bacteria remained after disinfection); 3. during sampling, the six-level sieve pore air impact type microorganism sampler is arranged at the height of 1m in the center of the room, and the sampling flow is 28.3L/min; 4. timely putting the collected test sample into a biochemical incubator at 37 ℃ for culture (24-48) h, and counting the number of bacteria; 5. taking 2 parts of unused culture medium in the same batch, and culturing the culture medium and the sample sampled in the test at the same time to be used as a negative control group; 6. during the test, the environmental temperature is 25-30 ℃ and the environmental humidity is 50-60% RH, the test is repeated for 3 times, and the death rate of each time is calculated.
The detection embodiment comprises the following steps: the method comprises three groups of tests, wherein each group of tests collects test results for 3 times, and the three groups of tests comprise a group with the lowest ultraviolet lamp panel power, a group with the standard ultraviolet lamp panel power and a group with the highest ultraviolet lamp panel power.
And (3) detection results: EXAMPLES A sample was tested at 100m3The machine is started up and disinfected in the closed space for 120min, the test results of the machine on the natural bacteria in the air are all more than or equal to 90 percent, the test requirements of the field test in the disinfection technical Specification (2002 edition) 2.1.3 are met, and the machine is qualified for disinfection.
TABLE 1 test data for the lowest UV power group
| Test number | Time of action | Number of control bacteria (cfu/m) before Disinfection3） | Number of bacteria remaining after Disinfection (cfu/m)3） | Mortality rate Kt (%) |
| 1 | 120min | 1.56*104 | 1.41*103 | 90.96 |
| 2 | 120min | 2.01*104 | 1.82*103 | 90.94 |
| 3 | 120min | 1.33*104 | 1.15*103 | 91.35 |
Table 2 uv power standard set of test data
| Test number | Time of action | Number of control bacteria (cfu/m) before Disinfection3） | Number of bacteria remaining after Disinfection (cfu/m)3） | Mortality rate Kt (%) |
| 1 | 120min | 1.64*104 | 1.18*103 | 92.80 |
| 2 | 120min | 1.88*104 | 1.28*103 | 93.19 |
| 3 | 120min | 1.56*104 | 1.05*103 | 93.27 |
TABLE 3 highest UV power set of test data
| Test number | Time of action | Number of control bacteria (cfu/m) before Disinfection3） | Number of bacteria remaining after Disinfection (cfu/m)3） | Mortality rate Kt (%) |
| 1 | 120min | 1.96*104 | 1.02*103 | 94.80 |
| 2 | 120min | 1.89*104 | 0.95*103 | 94.97 |
| 3 | 120min | 1.53*104 | 0.78*103 | 94.90 |
Among them, the negative control group was aseptically grown.
Wherein, the extinction rate Kt (%) = (V0-Vt) × 100/V0, V0 is the number of control bacteria before disinfection, and Vt is the number of residual bacteria after disinfection.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (10)
1. The utility model provides an indoor air purification sterilizing machine, includes organism (1), organism (1) is equipped with air-out portion (2) and air inlet portion (3), its characterized in that: the air outlet part (2) is internally provided with a negative ion generator (4), and the air outlet part (2) is used for blowing negative ions generated by the negative ion generator (4) into a room; be equipped with filter screen (6) and disinfection subassembly in air inlet portion (3), air inlet portion (3) are used for inhaling indoor air, and pass through filter screen (6) are accomplished and are filtered, the disinfection subassembly is used for right filter screen (6) carry out disinfection.
2. An indoor air purifying sterilizer as claimed in claim 1, wherein: the disinfection subassembly includes at least one ultraviolet lamp plate (7), ultraviolet lamp plate (7) towards filter screen (6) shine.
3. An indoor air cleaning and sterilizing machine as claimed in claim 1 or 2, wherein: the filter screen (6) adopts an electrostatic electret filter screen.
4. An indoor air purifying sterilizer as claimed in claim 2, wherein: the ultraviolet lamp panel (7) comprises an aluminum substrate (72), a power module (73) arranged on the aluminum substrate (72) and a plurality of LED ultraviolet lamp beads (71) arranged on the aluminum substrate (72).
5. An indoor air purifying sterilizer as claimed in claim 1, wherein: still include casing (5), be equipped with a plurality of lamp plate installation cavity (51) in casing (5), lamp plate installation cavity (51) are used for in ultraviolet lamp plate (7) cooperation installation.
6. An indoor air purifying sterilizer as claimed in claim 5, wherein: a plurality of lamp plate installation cavity (51) are the interval array and arrange.
7. An indoor air purifying sterilizer as claimed in claim 5, wherein: the inner side surface of the shell (5) is used for being matched with and installing the filter screen (6).
8. An indoor air cleaning and sterilizing machine as claimed in claim 5 or 6, wherein: a ventilation cavity (52) is arranged in the shell (5).
9. An indoor air purifying sterilizer as claimed in claim 3, wherein: the thickness of the filter screen (6) is 5 mm-200 mm.
10. An indoor air cleaning and sterilizing machine as claimed in claim 1, 2, 4, 5, 6 or 7, wherein: the interval between the disinfection component and the filter screen (6) is 5 mm-200 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020454804.XU CN211781644U (en) | 2020-03-31 | 2020-03-31 | Indoor air purification and disinfection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020454804.XU CN211781644U (en) | 2020-03-31 | 2020-03-31 | Indoor air purification and disinfection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211781644U true CN211781644U (en) | 2020-10-27 |
Family
ID=72927706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020454804.XU Active CN211781644U (en) | 2020-03-31 | 2020-03-31 | Indoor air purification and disinfection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211781644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022100601A1 (en) * | 2020-11-10 | 2022-05-19 | 陈志群 | Air disinfection and purification module, and upright air conditioner |
-
2020
- 2020-03-31 CN CN202020454804.XU patent/CN211781644U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022100601A1 (en) * | 2020-11-10 | 2022-05-19 | 陈志群 | Air disinfection and purification module, and upright air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111336614A (en) | Indoor air purification and disinfection system and purification and disinfection method thereof | |
| CN203564577U (en) | Air circular purifying device | |
| CN104879859B (en) | A kind of air purifier | |
| CN211781644U (en) | Indoor air purification and disinfection machine | |
| CN111288586A (en) | Ultraviolet/composite nano-silver sterilizing and haze-removing air purification device and application method | |
| CN209236004U (en) | Dust catcher with disinfection function | |
| CN211953080U (en) | Air sterilizer | |
| CN201007533Y (en) | Forced-air circulation ventiduct air purification structure | |
| CN212108805U (en) | Sterilizing device integrated and matched with air conditioner | |
| CN202284830U (en) | Cabinet type plasma disinfection air purifier | |
| CN214841461U (en) | Sterile disinfection equipment | |
| CN215215909U (en) | Novel clean grille lamp of multi-functional air purification | |
| CN209123675U (en) | Microbial deodorant | |
| CN212108806U (en) | Indoor air purification and disinfection system | |
| CN209639170U (en) | Air cleaning decontamination equipment | |
| CN113639365A (en) | Large air quantity combined air sterilizing purifier | |
| CN112493140A (en) | Sterile breeding house with air purification and disinfection functions | |
| CN111174349A (en) | Air sterilizer | |
| CN212854180U (en) | Ultraviolet LED air sterilization purifier | |
| CN206330221U (en) | A kind of air purifier with microbe filter | |
| CN204693646U (en) | A kind of air purifier | |
| KR102594289B1 (en) | Air purifying and sterilizing device with the ability to remove fine dust, bacteria, and viruses | |
| CN211650574U (en) | Cabinet type air sterilizer | |
| CN214120328U (en) | Novel air purification ultraviolet sterilization structure | |
| CN211793532U (en) | Livestock breeding environment control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |