CN203550061U - Comprehensive type air disinfecting and purifying machine - Google Patents
Comprehensive type air disinfecting and purifying machine Download PDFInfo
- Publication number
- CN203550061U CN203550061U CN201320700512.XU CN201320700512U CN203550061U CN 203550061 U CN203550061 U CN 203550061U CN 201320700512 U CN201320700512 U CN 201320700512U CN 203550061 U CN203550061 U CN 203550061U
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- air
- clearing machine
- comprehensive
- purifying
- source lamp
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model relates to a comprehensive type air disinfecting and purifying machine which comprises a machine body. An air inlet is formed in the bottom of the machine body and an air outlet is formed in the top of the machine body. An air circulating channel is formed between the air inlet and the air outlet in the machine body. The comprehensive type air disinfecting and purifying machine is characterized in that a primary filter screen, a first efficient HEPA filter screen, a plasma static electricity purifying device, a photocatalysis device, an ozone removing filter screen, a carbon particle adsorbing layer and a second efficient HEPA filter screen are sequentially arranged in the air circulating channel, the plasma static electricity purifying device is an electrode assembly composed of multiple collection electrodes and releasing electrodes, and the photocatalysis device is of a sandwich type formed through the method that two honeycomb-shaped carriers coated with photocatalyst are combined with an ultraviolet light source lamp set; a centrifugal fan is arranged in the air circulating channel. According to the comprehensive type air disinfecting and purifying machine, arranged different filter devices achieve multiple layers of protection, the disinfecting and purifying effect is guaranteed, the cleanliness of supplied air is guaranteed, the comprehensive type air disinfecting and purifying machine is wide in application range, dynamic disinfecting and purifying effect is good, the machine is safe, and secondary pollution is avoided.
Description
[technical field]
The utility model relates to air purifying process field, specifically a kind of comprehensive air sterilizing clearing machine.
[background technology]
Along with the improvement of people's life, the health problem that everybody causes air pollution is also more and more paid attention to, and has the intensification rapidly of air purifier market of removing air pollution function.
Air purifier claims again air cleaner, air cleaner, refer to and can adsorb, decompose or transform various air pollutants as the pollution of dust, pollen, peculiar smell, formaldehyde and so on, bacterium, anaphylactogen etc., effectively improve the product of air cleanliness, the current family expenses take removing room air pollution and commercial air purifier are as main.In existing air purifier, there are multiple different technology and medium, make it provide clean and safe air to user.But purification means are too single, filter effect, area are limited.
Its ionic medium electrostatic depuration adopts cleaner to carry out dedusting, dust-cleaning principle is that the direction that shows as dust laden air airflow direction and the charged dust power of electric field driven is an angle of 90 degrees substantially, the pulling force that electrically charged dust must overcome air-flow just can be adsorbed on dust collecting pole plate, so as too fast in air-flow in electric field, or the too high dust that just has of dust concentration is discharged phenomenon.And the impact that traditional sack cleaner is stopped up by dust in long-term use, the large high attenuation of permeability, needs often to change cloth bag, and the processing mode of these air all exists comparatively serious drawback.Simple plasma electrostatic precipitation can control of dust, but can not sterilizing, so just can not effectively remove the harmful bacterias such as Legionella in air-conditioning, mould.
[summary of the invention]
The purpose of this utility model is on the basis of existing air cleaner, to carry out technology upgrading, and a kind of novel air bactericidal purifying machine of realizing multiple high-efficiency sterilizing with new internal structure is provided, can be in the indoor use of the business of family, large space.
For achieving the above object, design a kind of comprehensive air sterilizing clearing machine, comprise body, described organism bottom is provided with air inlet, top is provided with gas outlet, in described body, between air inlet and gas outlet, be air communication channel, it is characterized in that the interior primary efficient filter screen that is provided with successively to gas outlet by air inlet of described air communication channel, the first efficient HEPA screen pack, plasma electrostatic filter, photocatalysis apparatus, the ozone screen pack of dispelling, carbon particle adsorption layer and the second efficient HEPA screen pack, wherein efficient HEPA screen pack (High efficiency particulate air Filter) reaches the screen pack of HEPA standard, for the efficient of 0.1 micron and 0.3 micron, reach 99.7%, be characterized in that air can pass through, but tiny particulate cannot pass through, smog, the most effective filtering medium of the pollutant such as dust and bacterium, and primary efficient filter screen is applicable to the primary filter of air, be mainly used in bulky grain floating thing in air, described photocatalysis apparatus is the sandwich configuration consisting of in conjunction with a ultraviolet light source lamp group two honeycomb supports that adhere to photochemical catalyst, in described air communication channel, be also provided with centrifugal blower, described centrifugal blower, by blower motor control connection, forms air circulation device, and described blower motor and ultraviolet light source lamp group are by switch controlling device control connection.
The electrode piece group that described plasma electrostatic filter consists of high-voltage DC power supply and some release electrodes and passive electrode forms, described electrode piece group equidistantly consists of with some passive electrodes alternately some release electrodes, and passive electrode is fixed perpendicular to air channel plane 45 degree that tilt; Described some release electrodes are connected by DC high-voltage power supply power supply respectively, after power supply, discharge high energy electron, between described some release electrodes, be electrically connected mutually, between described some passive electrodes, be electrically connected mutually, the butt end of described each electrode is insulated that wall is separated from one another to come, and discharges electrode and passive electrode forms high pressure high voltage electric field after energising.
In described photocatalysis apparatus, two honeycomb supports that adhere to photochemical catalyst are positioned at both sides, in the middle of a ultraviolet light source lamp group is positioned at, between honeycomb support and ultraviolet light source lamp group, be provided with spacing, described ultraviolet light source lamp group horizontal positioned, two honeycomb support horizontal symmetrical of adhering to photochemical catalyst are placed, and take ultraviolet source lamp group as benchmark symmetry, described honeycomb support is selected cellular high efficiency active carbon or honeycomb aluminum.
Described photochemical catalyst is selected titanium dioxide, is coated on outer surface and the hole of honeycomb support.
Described efficient HEPA screen pack is selected stacked structure.
Described carbon particle adsorption layer is selected the active carbon of cellular high-specific surface area.
Described special efficacy ultraviolet lamp is selected special wavelength ozone free quartz burner.
The described ozone screen pack of dispelling is selected honeycomb aluminum.
On the madial wall of described body import department, be also provided with smell sensor, the signal output part connecting valve control device of described smell sensor.
Described organism bottom is also provided with castor, and described body upper is also provided with and shows frequently in order to show output and input.
Compared with prior art, air sterilizing clearing machine of the present utility model is from its structure:
The each several part filter of a, its vertical radial arrangement, has increased air contact area with it, has increased filter effect; And there are primary efficient filter screen, efficiency ultraviolet lamp pipe, carbon particle adsorption layer, efficient HEPA net, the ozone screen pack of dispelling, filtered air is realized to multiple protective, guarantee the air cleanliness of sending;
B, newly-increased plasma electrostatic precipitator have increased the cleanliness factor of the air that enters subsequent treatment;
C, sandwich type optically catalytic TiO 2 reaction system, both filtering surface and the intensity of light source had been increased, the harmful substance molecules such as absorption and the peculiar smell that passes through, bacterium, virus are effectively decomposed, are oxidized, thereby reach the effectiveness of the microorganisms such as deodorizing, kill virus, bacterium, high-efficient purification air;
D, the Castor structure of setting up, can be used by flexible rotating.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of plasma electrostatic filter;
Fig. 3 is the structural representation of photocatalytic system;
In Fig. 1: 1. wheel; 2. sensor; 3. primary efficient filter screen; 4. the first efficient HEPA screen pack; 5. plasma electrostatic filter; 6. blower fan; 7. photocatalysis honeycomb substrate; 8. ultraviolet light source lamp group; 9. photocatalysis honeycomb substrate; 10. the ozone screen pack of dispelling; 11. carbon ion adsorption layers; 12. liquid crystal displays frequently; 13. second efficient HEPA screen packs.
In Fig. 2: 21,22 power lines; 23. passive electrodes; 24. discharge electrode
[specific embodiment]
Now in conjunction with the drawings and the specific embodiments the technical solution of the utility model is further elaborated, the import and export mix of believing this clearing machine is clearly for a person skilled in the art.
Embodiment mono-
Air sterilizing clearing machine of the present utility model, as shown in Figure 1, comprises body, is provided with air inlet, top is provided with gas outlet, is I font air communication channel, as the path of circulation of air between internal body air inlet and gas outlet at organism bottom.
Air filter is installed between air communication channel, comprise primary efficient filter screen 3, the first efficient HEPA screen pack 4, plasma electrostatic filter 5, blower fan 6, photocatalysis honeycomb substrate 7, ultraviolet light source lamp group 8, photocatalysis honeycomb substrate 9, the ozone screen pack 10 of dispelling, carbon ion adsorption layer 11, the second efficient HEPA screen pack 13, wherein:
As shown in Figure 2, the electrode piece group that described plasma electrostatic filter consists of high-voltage DC power supply and some release electrodes and passive electrode forms, described electrode piece group equidistantly consists of with some passive electrodes alternately some release electrodes, passive electrode is fixed perpendicular to air channel plane 45 degree that tilt, wherein each discharges electrode same passive electrode and forms one group, between two adjacent groups equidistantly alternately; Described some release electrodes are connected by DC high-voltage power supply power supply respectively, after power supply, discharge high energy electron, between described some release electrodes, be electrically connected mutually, between described some passive electrodes, be electrically connected mutually, the butt end of described each electrode is insulated that wall is separated from one another to come, and discharges electrode and passive electrode forms high pressure high voltage electric field after energising.
As shown in Figure 3, photocatalysis apparatus as shown in Figure 3, be the sandwich configuration consisting of in conjunction with a ultraviolet light source lamp group two honeycomb supports 6,8 that adhere to photochemical catalyst, in the present embodiment, ultraviolet light source lamp group is selected the U-shaped ultraviolet lamp tube of many special wavelength; What honeycomb support was selected is cellular high efficiency active carbon or honeycomb aluminum, in outer surface and the equal titanium dioxide coating of hole.Wherein, two honeycomb substrates that adhere to photochemical catalyst are positioned at both sides, in the middle of a ultraviolet source lamp group is positioned at, between carrier and ultraviolet source lamp group, be provided with spacing, described ultraviolet source lamp group horizontal positioned, two outer horizontal levels of honeycomb support that adhere to photochemical catalyst are placed, and take ultraviolet light source lamp as benchmark symmetry, ultraviolet light source lamp group is by switch controlling device control connection.
Described carbon particle adsorption layer is selected the active carbon of cellular high-specific surface area; The described ozone screen pack of dispelling is selected honeycomb aluminum;
Primary filter net 3 is mainly used in bulky grain floating thing in filtered air, there are board-like, collapsible, three kinds of patterns of pocket type, outer frame material has paper frame, aluminium frame, zinc-plated chase, filtering material has nonwoven, nylon wire, activated carbon filter material, metal hole pattern etc., and protection network has two-sided plastic-blasting wire netting and double side zinc coating wire netting;
Efficient HEPA screen pack is selected stacked structure; , for 0.1 μ m and the efficient of 0.3 μ m, reach 99.7%, as the most effective filtering mediums of pollutant such as smog, dust and bacteriums.Be divided into PP filter paper, glass fibre, comprehensive PP PET filter paper, melt-blown terylene non-woven fabric and five kinds of materials of melt-blown glass fibre.Wherein, performance indications are as shown in the table:
| Filter paper title | Filter efficiency (%) | Windage (5.33cm/s) | Service life |
| Glass fibre | 〉99.97 | 190pa | 8-12 month |
| PP fiber | 〉99.9 | 60-80pa | 8-12 month |
| PP PET is comprehensive | 99.9 | 40-60pa | 8-12 month |
| Melt-blown terylene non-woven fabric | 99.9 | 40-60pa | 8-12 month |
| Melt-blown long fibre | 99.7 | 20-30pa | 8-12 month |
Above-mentioned parts are pressed as shown in Figure 1, in air communication channel, by air inlet, to gas outlet, be provided with successively primary efficient filter screen, the first efficient HEPA screen pack, plasma electrostatic filter, photocatalysis apparatus, the ozone screen pack of dispelling, carbon particle adsorption layer and the second efficient HEPA screen pack, in described air communication channel, be also provided with centrifugal blower, described centrifugal blower is by blower motor control connection, form air circulation device, described blower motor and ultraviolet light source lamp group are by switch controlling device control connection.
Above-mentioned switch controlling device, shows as and shows frequently 10, shows that 10 inside are provided with control circuit board frequently, and on guidance panel, there is power switch, the information such as air volume control switch.For the maintenance operation in implement device later stage, the back panel of body is designed to demountable structure, be convenient to take out under safe condition the clean and replacing of primary efficient filter screen, efficient HEPA net, carbon ion adsorption layer, ultraviolet lamp, the ozone screen pack of dispelling etc.On the madial wall of body import department, be also provided with smell sensor, the signal output part connecting valve control device of described smell sensor; Described organism bottom is also provided with castor;
In air disinfection purification apparatus through primary efficient filter screen, efficient HEPA screen pack, follow-up circulation of air passage in be provided with that plasma electrostatic filter, blower fan, photocatalysis apparatus, the ozone of dispelling filter, discharge ozone after absorption, photocatalysis apparatus is comprised of cellular material and the ultraviolet source group of adhering to light-catalyzed reaction agent, cellular material surface titanium dioxide coating, what under the ultraviolet ray of special wavelength is irradiated, can adsorb optical catalyst carrier is harmful, thereby poisonous organic smell decomposes and reaches deodorizing, kill virus, the microorganisms such as bacterium, plasma electrostatic filter is one group of electrode piece, comprise passive electrode and discharge electrode, between passive electrode, be electrically connected mutually, discharge between electrode and be electrically connected mutually, the butt end of described each electrode is insulated that wall is separated from one another to come, plasma electrostatic filter has improved the cleaning efficiency of electrode assemblie.The multiple high-efficiency sterilization link that this air cleaning, sterilizing unit provide can be in the indoor use of the business of family, large space.
Claims (10)
1. a comprehensive air sterilizing clearing machine, comprise body, described organism bottom is provided with air inlet, top is provided with gas outlet, in described body, between air inlet and gas outlet, be air communication channel, it is characterized in that the interior primary efficient filter screen that is provided with successively to gas outlet by air inlet of described air communication channel, the first efficient HEPA screen pack, plasma electrostatic filter, photocatalysis apparatus, the ozone screen pack of dispelling, carbon particle adsorption layer and the second efficient HEPA screen pack, described photocatalysis apparatus is the sandwich configuration consisting of in conjunction with a ultraviolet light source lamp group two honeycomb supports that adhere to photochemical catalyst, in described air communication channel, be also provided with centrifugal blower, described centrifugal blower, by blower motor control connection, forms air circulation device, and described blower motor and ultraviolet light source lamp group are by switch controlling device control connection.
2. the comprehensive air sterilizing clearing machine of one as claimed in claim 1, it is characterized in that the electrode piece group that described plasma electrostatic filter consists of high-voltage DC power supply and some release electrodes and passive electrode forms, described electrode piece group equidistantly consists of with some passive electrodes alternately some release electrodes, and passive electrode is fixed perpendicular to air channel plane 45 degree that tilt; Described some release electrodes are connected by DC high-voltage power supply power supply respectively, after power supply, discharge high energy electron, between described some release electrodes, be electrically connected mutually, between described some passive electrodes, be electrically connected mutually, the butt end of described each electrode is insulated that wall is separated from one another to come, and discharges electrode and passive electrode forms high pressure high voltage electric field after energising.
3. the comprehensive air sterilizing clearing machine of one as claimed in claim 1, it is characterized in that in described photocatalysis apparatus, two honeycomb supports that adhere to photochemical catalyst are positioned at both sides, in the middle of a ultraviolet light source lamp group is positioned at, between honeycomb support and ultraviolet light source lamp group, be provided with spacing, described ultraviolet light source lamp group horizontal positioned, two honeycomb support horizontal symmetrical of adhering to photochemical catalyst are placed, and take ultraviolet source lamp group as benchmark symmetry, described honeycomb support is selected cellular high efficiency active carbon or honeycomb aluminum.
4. the comprehensive air sterilizing clearing machine of one as claimed in claim 3, is characterized in that described photochemical catalyst selects titanium dioxide, is coated on outer surface and the hole of honeycomb support.
5. the comprehensive air sterilizing clearing machine of one as claimed in claim 1, is characterized in that described efficient HEPA screen pack selects stacked structure.
6. the comprehensive air sterilizing clearing machine of one as claimed in claim 1, is characterized in that described carbon particle adsorption layer selects the active carbon of cellular high-specific surface area.
7. the comprehensive air sterilizing clearing machine of one as claimed in claim 2, is characterized in that described special efficacy ultraviolet lamp selects special wavelength ozone free quartz burner.
8. the comprehensive air sterilizing clearing machine of one as claimed in claim 1, the ozone screen pack of dispelling described in it is characterized in that is selected honeycomb aluminum.
9. the comprehensive air sterilizing clearing machine of one as claimed in claim 1, is characterized in that being also provided with smell sensor, the signal output part connecting valve control device of described smell sensor on the madial wall of described body import department.
10. the comprehensive air sterilizing clearing machine of one as claimed in claim 1, is characterized in that described organism bottom is also provided with castor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201320700512.XU CN203550061U (en) | 2013-11-07 | 2013-11-07 | Comprehensive type air disinfecting and purifying machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700512.XU CN203550061U (en) | 2013-11-07 | 2013-11-07 | Comprehensive type air disinfecting and purifying machine |
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| CN203550061U true CN203550061U (en) | 2014-04-16 |
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| CN201320700512.XU Expired - Fee Related CN203550061U (en) | 2013-11-07 | 2013-11-07 | Comprehensive type air disinfecting and purifying machine |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019513A (en) * | 2014-06-26 | 2014-09-03 | 湖南日月星能源科技有限公司 | Heat pump type fresh air ventilator set |
| CN105299850A (en) * | 2014-06-24 | 2016-02-03 | 浙江盾安人工环境股份有限公司 | Air conditioning unit and control device used for cleaning air conditioning unit |
| CN106040434A (en) * | 2016-06-15 | 2016-10-26 | 高云明 | Magnet generator, and solid particle adsorption device and air sterilization machine manufactured through same |
| CN106322544A (en) * | 2015-06-17 | 2017-01-11 | 山东耀通节能环保科技股份有限公司 | Seven-stage fresh air purification system |
| CN106440120A (en) * | 2016-09-27 | 2017-02-22 | 舒净环保科技（深圳）有限公司 | Air purifying mechanism of air conditioner |
| CN106642338A (en) * | 2016-12-21 | 2017-05-10 | 苏交科集团股份有限公司 | Air cleaning device |
| CN106940045A (en) * | 2017-04-01 | 2017-07-11 | 林涵 | A kind of highly effective air dust removal and filtration garden equipment |
| CN107857405A (en) * | 2017-11-06 | 2018-03-30 | 广东工业大学 | A kind of fluid purification |
| CN108870617A (en) * | 2018-05-21 | 2018-11-23 | 福州以恒电子技术有限公司 | Sterilization and disinfection device in a kind of Fresh air handling units |
| CN110332631A (en) * | 2019-08-09 | 2019-10-15 | 重庆工商大学 | A kind of novel photocatalyst air purifier |
| CN111520834A (en) * | 2020-04-30 | 2020-08-11 | 西安空天机电智能制造有限公司 | Plasma-based disinfection, sterilization and purification device |
| CN112696773A (en) * | 2020-12-31 | 2021-04-23 | 武汉中科先进技术研究院有限公司 | Air sterilizing device and method |
| CN112807996A (en) * | 2021-02-05 | 2021-05-18 | 大连海事大学 | Domestic air purifier for eliminating new corona virus |
| CN113154608A (en) * | 2021-04-12 | 2021-07-23 | 广州顶冠信息科技有限公司 | Method and device for killing virus and germs by plasma |
| CN114146818A (en) * | 2021-12-01 | 2022-03-08 | 昆山宏运达新型材料有限公司 | Waste gas treatment system for automatic dust collection of plastic uptake machine |
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2013
- 2013-11-07 CN CN201320700512.XU patent/CN203550061U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105299850B (en) * | 2014-06-24 | 2019-08-23 | 浙江盾安人工环境股份有限公司 | Air-conditioner set and control device for cleaning it |
| CN105299850A (en) * | 2014-06-24 | 2016-02-03 | 浙江盾安人工环境股份有限公司 | Air conditioning unit and control device used for cleaning air conditioning unit |
| CN104019513A (en) * | 2014-06-26 | 2014-09-03 | 湖南日月星能源科技有限公司 | Heat pump type fresh air ventilator set |
| CN106322544A (en) * | 2015-06-17 | 2017-01-11 | 山东耀通节能环保科技股份有限公司 | Seven-stage fresh air purification system |
| CN106040434A (en) * | 2016-06-15 | 2016-10-26 | 高云明 | Magnet generator, and solid particle adsorption device and air sterilization machine manufactured through same |
| CN106440120A (en) * | 2016-09-27 | 2017-02-22 | 舒净环保科技（深圳）有限公司 | Air purifying mechanism of air conditioner |
| CN106642338A (en) * | 2016-12-21 | 2017-05-10 | 苏交科集团股份有限公司 | Air cleaning device |
| CN106940045A (en) * | 2017-04-01 | 2017-07-11 | 林涵 | A kind of highly effective air dust removal and filtration garden equipment |
| CN107857405A (en) * | 2017-11-06 | 2018-03-30 | 广东工业大学 | A kind of fluid purification |
| CN108870617A (en) * | 2018-05-21 | 2018-11-23 | 福州以恒电子技术有限公司 | Sterilization and disinfection device in a kind of Fresh air handling units |
| CN110332631A (en) * | 2019-08-09 | 2019-10-15 | 重庆工商大学 | A kind of novel photocatalyst air purifier |
| CN111520834A (en) * | 2020-04-30 | 2020-08-11 | 西安空天机电智能制造有限公司 | Plasma-based disinfection, sterilization and purification device |
| CN112696773A (en) * | 2020-12-31 | 2021-04-23 | 武汉中科先进技术研究院有限公司 | Air sterilizing device and method |
| CN112807996A (en) * | 2021-02-05 | 2021-05-18 | 大连海事大学 | Domestic air purifier for eliminating new corona virus |
| CN113154608A (en) * | 2021-04-12 | 2021-07-23 | 广州顶冠信息科技有限公司 | Method and device for killing virus and germs by plasma |
| CN114146818A (en) * | 2021-12-01 | 2022-03-08 | 昆山宏运达新型材料有限公司 | Waste gas treatment system for automatic dust collection of plastic uptake machine |
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| GR01 | Patent grant | ||
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Address after: No. 251, Zhaohua Road, Zhaoxiang Town, Qingpu District, Shanghai, 201703 Patentee after: Shanghai Bacos Medical Technology Co.,Ltd. Address before: Qingpu District of Shanghai city in 201703 Zhao Zhen Huqingping 3715 Lane 18 -3 Patentee before: SHANGHAI CNP ENVIRONMENT TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20211107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |