CN212644883U - Air purifying and sterilizing device for air return inlet of central air conditioner - Google Patents
Air purifying and sterilizing device for air return inlet of central air conditioner Download PDFInfo
- Publication number
- CN212644883U CN212644883U CN202021498323.5U CN202021498323U CN212644883U CN 212644883 U CN212644883 U CN 212644883U CN 202021498323 U CN202021498323 U CN 202021498323U CN 212644883 U CN212644883 U CN 212644883U
- Authority
- CN
- China
- Prior art keywords
- unit
- air
- corona discharge
- discharge unit
- filter unit
- 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
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 13
- 238000004887 air purification Methods 0.000 claims abstract description 17
- 239000003989 dielectric material Substances 0.000 claims abstract description 11
- 239000012717 electrostatic precipitator Substances 0.000 claims description 15
- 238000004378 air conditioning Methods 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000007872 degassing Methods 0.000 claims description 5
- 239000002657 fibrous material Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims 5
- 238000010030 laminating Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 31
- 238000001914 filtration Methods 0.000 abstract description 18
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 16
- 238000000746 purification Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 7
- 230000005684 electric field Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 241000700605 Viruses Species 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005686 electrostatic field Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006806 disease prevention Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses an air purification and disinfection device for a central air conditioner return air inlet, which comprises a primary filtering unit, a corona discharge unit, a micro-electrostatic dust removal unit and a high-efficiency filtering unit, wherein the primary filtering unit, the corona discharge unit, the micro-electrostatic dust removal unit and the high-efficiency filtering unit are sequentially communicated and arranged, the primary filtering unit comprises a filter screen, the corona discharge unit comprises a discharge unit fixedly arranged in a needle shape or a sawtooth shape, the micro-electrostatic dust removal unit comprises a dust collection module made of dielectric materials, a tile-shaped, rectangular or honeycomb-shaped micro-channel is arranged in the dust collection module, the air purification and disinfection device for the central air conditioner return air inlet adopts a filtering-sterilizing-electrostatic three-level combination mode to simultaneously realize the air purification targets of dust removal, purification and sterilization, and the device is under the conditions of large air volume and high flow rate of a central air conditioner, the technical requirements of continuous real-time disinfection and sterilization for air purification can be realized.
Description
Technical Field
The utility model relates to an air purification technical field specifically is air purification degassing unit for central air conditioning return air inlet.
Background
With the development of social economy and the improvement of the living standard of people, the requirements and expectations of people on the air quality are continuously improved. In recent years, in order to effectively prevent the spread of infectious diseases in the centralized air-conditioning ventilation system in public places, the local disease prevention and control centers have also strengthened on-site investigation and research on the air purification devices of the centralized air-conditioning ventilation system. The air inlet and return of most central air conditioning systems in China are in natural wind states and are not disinfected. Although experts propose to regularly disinfect the transmission pipeline by using a pipeline robot, the regular disinfection cannot guarantee the air purification and disinfection of a central air conditioning centralized air supply system, and cannot cut off the way of spreading viruses through the central air conditioning system. The document search found that patent 031292534 discloses a method and apparatus for continuous online disinfection of central air conditioners, which uses only electromagnetic waves to excite plasma for disinfection; patent 031293972 discloses a method for sterilizing air intake and return ducts of a central air conditioner, which adopts a high-voltage standing electrode to excite negative ions, a high-voltage plate-type electric field and an ultraviolet lamp to perform combined sterilization; patent 2009100460555 discloses a method and apparatus for providing a combined plasma and nano-photocatalytic disinfection at the return air inlet. However, from the current air purification and disinfection technology, the electromagnetic wave excited plasma purification technology is limited by theoretical research and has not been widely applied to air purification of central air conditioners; the traditional plate-type electric field has the defects of high discharge and ozone generation quantity and the like, and has the bottlenecks of damage to human skin due to ultraviolet disinfection, high energy consumption and the like; the nano photocatalysis technology has high efficiency, but needs an ultraviolet light source to excite a catalyst, and is not widely applied to the technical field of central air conditioners in China at present.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide air purification degassing unit for central air conditioning return air inlet, adopt the mode of filtering-disinfecting-tertiary combination of static, realize dust removal, purification and the air purification target of disinfecting simultaneously, the device can realize the air purification technical requirement of continuous real-time disinfection and sterilization under the condition of the big amount of wind of central air conditioning system, high velocity of flow.
In order to achieve the above object, the utility model provides a following technical scheme: air purification degassing unit for central air conditioning return air inlet, including just imitating filter unit, corona discharge unit, little electrostatic precipitator unit and high efficiency filter unit, just imitate filter unit, corona discharge unit, little electrostatic precipitator unit and high efficiency filter unit and communicate in proper order and arrange, just imitate the filter unit and include the filter screen, corona discharge unit includes the discharge unit with aciculus or zigzag fixed arrangement, little electrostatic precipitator unit includes the collection dirt module of dielectric material, set up tile form, rectangle or honeycomb shape microchannel in the collection dirt module, high efficiency filter unit includes high efficiency filter core, high efficiency filter core is active carbon or organic fiber material's air filter core.
As a preferred technical solution of the present invention, a casing is disposed outside the primary filtering unit, the corona discharging unit, the micro-electrostatic dust collecting unit and the high-efficiency filtering unit, the upper and lower ends of the inside of the casing are communicated and are all provided with openings, the primary filtering unit, the corona discharging unit, the micro-electrostatic dust collecting unit and the high-efficiency filtering unit are sequentially and fixedly disposed inside the casing from bottom to top, the casing includes an air duct communicated from top to bottom, a horizontal lower panel is disposed outside the lower end of the air duct, and a hook is disposed outside the lower panel;
through setting up the casing, will just imitate filter unit, corona discharge unit, little electrostatic precipitator unit and high efficiency filter unit and unify inside the casing, the installation of the equipment of being convenient for, and the casing outside sets up the pothook, conveniently fixes casing and ceiling, and each unit all adopts the modularization combination simultaneously, is convenient for maintain the change.
As a preferred technical scheme of the utility model, set up the through hole on the lateral wall of dryer, the inside vertical spacing that sets up of dryer, be connected between the free end of spacing and pothook and be provided with the connecting strip, the connecting strip runs through the through hole of dryer lateral wall, through spacing and connecting strip pulling pothook, is convenient for make pothook and ceiling break away from to make things convenient for the dismouting of casing.
As a preferred technical solution of the present invention, the primary filter unit further comprises a lower mesh enclosure, the filter screen is adhered to the upper end surface of the lower mesh enclosure, a connecting plate is vertically disposed at the upper end of the lower mesh enclosure, a limiting groove is disposed on the surface of the connecting plate, the connecting plate is attached to the inner wall of the air duct, and an arc-shaped limiting block is disposed at a position corresponding to the limiting groove on the inner wall of the air duct;
the lower mesh enclosure is combined with the arc-shaped limiting block on the inner wall of the air duct through the limiting groove of the connecting plate, so that the lower mesh enclosure is conveniently removed, and the filter screen is conveniently cleaned.
As a preferred technical scheme of the utility model, the corona discharge unit comprises a field-shaped or mesh-shaped electrified pipe frame, the electrified pipe frame is fixedly installed with the inner wall of the air duct, and the discharge unit is fixedly arranged on the upper surface of the electrified pipe frame;
the discharging unit is made of high-impedance cellulose-based materials or carbon-based materials, is fixed on the electrified pipe frame in a needle shape or a zigzag shape and the like, generates glow corona discharge after electrification, forms a charge network through the glow discharge, ionizes passing air into plasma, decomposes organic pollutants by using active particles of the plasma, kills bacteria, and charges passing fine particles.
As a preferred technical solution of the present invention, the micro-electrostatic dust removal unit further comprises a first housing fixedly mounted with an inner wall of the air duct, a dust collection module is disposed inside the first housing, a cross-shaped fixing frame is fixedly disposed at the top of the first housing, and the high-efficiency filter element is fixedly mounted inside the fixing frame;
the micro-electrostatic dust removal unit adopts specially-shaped dielectric material arrays to form a micro-channel structure, charged particles are adsorbed by a strong electric field generated by the dielectric material when flowing through the micro-channel along with air, and bacteria and viruses which are not inactivated by the plasma are finally and completely inactivated under the action of a continuous strong electric field;
the dielectric material adopts glow power generation, and has no ignition, no ozone and high safety; the dust collecting module increases the effective dust collecting area by 10 times of that of the traditional plate-type electrostatic technology through the array micro-channel, the dust containing capacity is greatly improved, the dust collecting module can adopt a modularized mode, and each module can become an independent dust containing unit;
the efficient filtering unit adopts active carbon or an organic fiber efficient filter element for filtering, removes particles which cannot be adsorbed in a micro electrostatic field in time, and can select whether to install or not according to requirements during actual use.
Compared with the prior art, the beneficial effects of the utility model are that: the air purifying and sterilizing device for the air return inlet of the central air conditioner ionizes air through glow corona discharge, so that the energy utilization efficiency is high and the safety is high; the ionized air generates plasma which can sterilize and disinfect and adjust the air quality; the dielectric material micro-electrostatic dust removal increases the dust containing area, improves the dust removal efficiency and avoids discharge breakdown.
The application examples in commercial office buildings, hospitals, hotels and the like prove that the air purification and disinfection device can remove more than 95% of dust particles, the bacterial fire extinguishing rate exceeds 99%, and the equipment power consumption is reduced by 90%.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a bottom view of the present invention;
fig. 4 is a cross-sectional view of the utility model at a;
fig. 5 is a cross-sectional view of the utility model at the position B;
FIG. 6 is an enlarged view of the position C of the present invention;
fig. 7 is a schematic view of a first housing of the present invention;
fig. 8 is a schematic view of the high efficiency filtration unit of the present invention.
In the figure: 1 casing, 101 lower panel, 102 pothook, 103 dryer, 104 spacing strip, 105 arc stopper, 2 primary filter unit, 201 lower screen panel, 3 corona discharge unit, 301 circular telegram pipe support, 302 discharge unit, 4 little electrostatic precipitator unit, 401 first shell, 402 collection dirt module, 5 high-efficient filter unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1-8, the present invention provides a technical solution: air purification degassing unit for central air conditioning return air inlet, including just imitating filter unit 2, corona discharge unit 3, little electrostatic precipitator unit 4 and high efficiency filter unit 5, just imitate filter unit 2, corona discharge unit 3, little electrostatic precipitator unit 4 and high efficiency filter unit 5 communicate in proper order and arrange, just imitate filter unit 2 and include the filter screen, corona discharge unit 3 includes the discharge unit 302 with aciculiform or zigzag fixed arrangement, little electrostatic precipitator unit 4 includes the collection dirt module 402 of dielectric material, set up the tile form in the collection dirt module 402, rectangle or honeycomb shape microchannel, high efficiency filter unit 5 includes high efficiency filter core, high efficiency filter core is active carbon or organic fiber material's air filter core.
The primary filtering unit 2, the corona discharge unit 3, the micro electrostatic dust collection unit 4 and the high-efficiency filtering unit 5 are externally provided with a casing 1, the upper end and the lower end of the inside of the casing 1 are communicated and are provided with openings, the primary filtering unit 2, the corona discharge unit 3, the micro electrostatic dust collection unit 4 and the high-efficiency filtering unit 5 are fixedly arranged inside the casing 1 from bottom to top in sequence, the casing 1 comprises an air duct 103 which is communicated from top to bottom, the lower end of the air duct 103 is externally provided with a horizontal lower panel 101, and the outer part of the lower panel 101 is provided with a clamping hook 102;
through setting up casing 1, will just imitate filter unit 2, corona discharge unit 3, little electrostatic precipitator unit 4 and high efficiency filter unit 5 and unify inside casing 1, the installation of the equipment of being convenient for, and casing 1 outside sets up pothook 102, conveniently fixes casing 1 and ceiling, and each unit all adopts the modularization combination simultaneously, is convenient for maintain the change.
Set up the through hole on the lateral wall of dryer 103, the inside vertical spacing strip 104 that sets up of dryer 103, it is provided with the connecting strip to be connected between the free end of spacing strip 104 and pothook 102, and the connecting strip runs through the through hole of dryer 103 lateral wall, through spacing strip 104 and connecting strip pulling pothook 102, is convenient for make pothook 102 break away from with the ceiling to make things convenient for the dismouting of casing 1.
The primary filter unit 2 further comprises a lower mesh enclosure 201, the filter screen is bonded with the upper end face of the lower mesh enclosure 201, a connecting plate is vertically arranged at the upper end of the lower mesh enclosure 201, a limiting groove is formed in the surface of the connecting plate, the connecting plate is attached to the inner wall of the air duct 103, and an arc-shaped limiting block 105 is arranged at the position, corresponding to the limiting groove, of the inner wall of the air duct 103;
the lower mesh enclosure 201 is combined with the arc-shaped limiting block on the inner wall of the air duct 103 through the limiting groove of the connecting plate, so that the lower mesh enclosure 201 is conveniently removed, and the filter screen is conveniently cleaned.
The corona discharge unit 3 comprises a field-shaped or mesh-shaped electrified pipe frame 301, the electrified pipe frame 301 and the inner wall of the air duct 103 are fixedly installed, and the discharge unit 302 is fixedly arranged on the upper surface of the electrified pipe frame 301;
the discharging unit 302 is made of high-impedance cellulose-based materials or carbon-based materials, is fixed on the electrifying pipe frame 301 in a needle shape or a zigzag shape and the like, generates glow corona discharge after electrification, forms a charge network through the glow discharge, ionizes passing air into plasma, decomposes organic pollutants by using active particles of the plasma, kills bacteria, and charges passing fine particulate matters.
The micro-electrostatic dust collection unit 4 further comprises a first shell 401 fixedly mounted with the inner wall of the air duct 103, a dust collection module 402 is arranged in the first shell 401, a cross-shaped fixing frame is fixedly arranged at the top of the first shell 401, and the high-efficiency filter element is fixedly mounted in the fixing frame;
The micro electrostatic dust removal unit 4 adopts specially shaped dielectric material array distribution to form a micro-channel structure, charged particles are adsorbed by a strong electric field generated by the dielectric material when flowing through the micro-channel along with air, and bacteria and viruses which are not inactivated by the plasma are finally inactivated completely under the action of the continuous strong electric field;
the dielectric material adopts glow power generation, and has no ignition, no ozone and high safety; the dust collecting module 402 increases the effective dust collecting area by 10 times of the traditional plate-type electrostatic technology through the array micro-channel, the dust holding capacity is greatly improved, the dust collecting module 402 can adopt a modularized mode, and each module can become an independent dust holding unit;
the efficient filtering unit 5 adopts active carbon or an organic fiber efficient filter element for filtering, removes particles which cannot be adsorbed in a micro electrostatic field in time, and can select whether to install or not according to requirements during actual use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Air purification degassing unit for central air conditioning return air inlet, including just imitating filter unit (2), corona discharge unit (3), little electrostatic precipitator unit (4) and high-efficient filter unit (5), its characterized in that: just imitate filter unit (2), corona discharge unit (3), little electrostatic precipitator unit (4) and high efficiency filter unit (5) communicate in proper order and arrange, just imitate filter unit (2) including the filter screen, corona discharge unit (3) include with aciculiform or zigzag fixed arrangement discharge unit (302), little electrostatic precipitator unit (4) include dielectric material's collection dirt module (402), set up tile form, rectangle or honeycomb shape microchannel in collection dirt module (402), high efficiency filter unit (5) include high efficiency filter core, high efficiency filter core is active carbon or organic fiber material's air filter core.
2. The air cleaning and sterilizing apparatus for a return air inlet of a central air conditioner as claimed in claim 1, wherein: just imitate filter unit (2), corona discharge unit (3), little electrostatic precipitator unit (4) and high efficiency filter unit (5) outside and set up casing (1), the inside upper and lower extreme intercommunication of casing (1) just all sets up the opening, just imitate filter unit (2), corona discharge unit (3), little electrostatic precipitator unit (4) and high efficiency filter unit (5) from supreme fixed arrangement in proper order inside casing (1) down, casing (1) is including dryer (103) of upper and lower intercommunication, the lower extreme outside of dryer (103) sets up horizontally lower panel (101), panel (101) outside sets up pothook (102) down.
3. The air cleaning and sterilizing apparatus for a return air inlet of a central air conditioner as claimed in claim 2, wherein: the side wall of the air duct (103) is provided with a through hole, a vertical limiting strip (104) is arranged inside the air duct (103), a connecting strip is connected and arranged between the limiting strip (104) and the free end of the clamping hook (102), and the connecting strip penetrates through the through hole in the side wall of the air duct (103).
4. The air cleaning and sterilizing apparatus for a return air inlet of a central air conditioner as claimed in claim 2, wherein: just imitate filter unit (2) still includes screen panel (201) down, the filter screen bonds with the up end of screen panel (201) down, the upper end of screen panel (201) sets up the connecting plate perpendicularly down, the connecting plate surface sets up the spacing groove, the inner wall laminating of connecting plate and dryer (103), and dryer (103) inner wall and spacing groove correspond the position and set up arc stopper (105).
5. The air cleaning and sterilizing apparatus for a return air inlet of a central air conditioner as claimed in claim 2, wherein: corona discharge unit (3) are including circular telegram pipe support (301) of field font or mesh font, circular telegram pipe support (301) and dryer (103) inner wall fixed mounting, discharge unit (302) are fixed to be set up at circular telegram pipe support (301) upper surface.
6. The air cleaning and sterilizing apparatus for a return air inlet of a central air conditioner as claimed in claim 2, wherein: little electrostatic precipitator unit (4) still include with dryer (103) inner wall fixed mounting's first shell (401), first shell (401) inside sets up collection dirt module (402), the fixed crisscross fixed frame that sets up in top of first shell (401), high-efficient filter core fixed mounting is inside fixed frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021498323.5U CN212644883U (en) | 2020-07-27 | 2020-07-27 | Air purifying and sterilizing device for air return inlet of central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021498323.5U CN212644883U (en) | 2020-07-27 | 2020-07-27 | Air purifying and sterilizing device for air return inlet of central air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212644883U true CN212644883U (en) | 2021-03-02 |
Family
ID=74764024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021498323.5U Active CN212644883U (en) | 2020-07-27 | 2020-07-27 | Air purifying and sterilizing device for air return inlet of central air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212644883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944505A (en) * | 2021-03-09 | 2021-06-11 | 社会企业有限公司 | Filter without filter screen, air disinfection device and central air conditioner |
-
2020
- 2020-07-27 CN CN202021498323.5U patent/CN212644883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944505A (en) * | 2021-03-09 | 2021-06-11 | 社会企业有限公司 | Filter without filter screen, air disinfection device and central air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201143317Y (en) | Electrostatic field plasma air purification device | |
| CN108534265B (en) | Multifunctional full-structure high-efficiency washable super-static air purification system | |
| CN201028711Y (en) | Air Conditioning Purification and Disinfection Device | |
| CN106076625B (en) | A cylindrical micro-electrostatic filter | |
| CN104089348B (en) | Air flue type photocatalysis air purifier | |
| CN201394408Y (en) | Multi-section static filter | |
| CN105020793A (en) | Ultra-thin air purification device and air purification device combined with air conditioner | |
| CN101590277A (en) | Vertical barrel plasma indoor air purifying device | |
| CN103785054B (en) | Semiconductor-air purifying sterilizing unit and air cleaning decontamination equipment capable | |
| CN217876211U (en) | Air purification and sterilization device for central air conditioner air return inlet | |
| CN102434920A (en) | Wall-mounted indoor air purification device | |
| CN101592383A (en) | Horizontal plasma and photocatalytic indoor air purifier | |
| CN201166427Y (en) | Air purification, disinfection and deodorization device for centralized air conditioning and ventilation system | |
| CN102836611B (en) | Air purification device | |
| CN212644883U (en) | Air purifying and sterilizing device for air return inlet of central air conditioner | |
| CN202803044U (en) | Air purifier | |
| KR102389862B1 (en) | Air conditioning system equipped with photocatalytic reactor module | |
| CN202942451U (en) | Air purification and sterilization unit of semiconductor and air purification and sterilization device | |
| CN202328548U (en) | Wall-mounted indoor air purification device | |
| CN2218327Y (en) | High energy electronic air purifier | |
| CN2622600Y (en) | Combined air cleaner of central air conditioner | |
| CN101592382A (en) | Horizontal plasma and absorption indoor air purifier | |
| CN2627392Y (en) | Air intake and circle sterilization purifying installation for nano photocatalysis central air-conditioner | |
| CN201235100Y (en) | Air purifier | |
| CN218379823U (en) | Ceiling machine structure for air sterilization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240220 Address after: 410600, Group 2, San Xian Ao Village, Datunying Township, Ningxiang County, Changsha City, Hunan Province Patentee after: Cheng Wenfeng Country or region after: China Address before: 250031 room 507, block E1, Mingquan Chunxiao, 56 Dikou Road, Tianqiao District, Jinan City, Shandong Province Patentee before: Liu Aimei Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240906 Address after: No. 75 Xinhua North Street, Tongzhou District, Beijing 101100 1820 Patentee after: BEIJING BINGMING TECHNOLOGY DEVELOPMENT Co.,Ltd. Country or region after: China Address before: 410600, Group 2, San Xian Ao Village, Datunying Township, Ningxiang County, Changsha City, Hunan Province Patentee before: Cheng Wenfeng Country or region before: China |
|
| TR01 | Transfer of patent right |