CN113685949B - A filtration for air purifier - Google Patents
A filtration for air purifier Download PDFInfo
- Publication number
- CN113685949B CN113685949B CN202110871454.6A CN202110871454A CN113685949B CN 113685949 B CN113685949 B CN 113685949B CN 202110871454 A CN202110871454 A CN 202110871454A CN 113685949 B CN113685949 B CN 113685949B
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- copper metal
- metal plate
- ceramic substrate
- air cleaner
- opening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/167—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using catalytic reactions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/95—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying specially adapted for specific purposes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention relates to a filtering structure for an air purifier, which comprises a shell with an installation space, a ceramic substrate, a copper metal plate, a conductive head, a first conductive sheet and a second conductive sheet, wherein a formaldehyde decomposition catalyst is attached to the surface of the ceramic substrate and is transversely arranged at intervals along an opening in the installation space; the surface of the copper metal plate is adhered with a hydrophobic conductive coating and is arranged at intervals along the longitudinal direction of the opening in the installation space; the conductive heads are arranged at two ends of the copper metal plate in a one-to-one correspondence manner; the first conducting plate is arranged corresponding to the first end of the copper metal plate; the second conducting plate is arranged corresponding to the second end of the copper metal plate. The ceramic substrate can be used for removing formaldehyde, the longitudinally arranged copper metal plate can form a bias electric field in a power-on state so as to adsorb particles, so that the filtering structure has the functions of removing formaldehyde and particles, and after the electric field is applied to the copper metal plate, the activity of a formaldehyde decomposition catalyst on the ceramic substrate can be improved, and the formaldehyde removal effect is further improved.
Description
Technical Field
The present invention relates to a filter structure for an air purifier.
Background
The effective filtration gets rid of harmful gas such as particulate matter and formaldehyde in the air, is air purifier's core function.
The applicant's prior application CN201910188114.6 "an air cleaning device" discloses a structure comprising a top cover and a housing having a bottom plate; a fan, an HEPA filter screen and a formaldehyde filter screen assembly are sequentially arranged in parallel in the shell; the formaldehyde filter screen component comprises a filter screen main body and a filter screen frame, wherein the filter screen main body consists of a plurality of filter grid units which are provided with parallel gas channels and are filled with filter materials; an inspection window is arranged on the side edge of the filter screen main body, a transparent box is arranged at the position corresponding to the filter screen frame, and the inspection window occupies the space of the two filter grid units; one of the filtering grid units is a sealing structure; outer covers are respectively adhered to two opposite sides of the filter screen frame and along two end faces of the filter screen main body and used for intercepting filter materials; one side of the shell is also provided with a first opening and a second opening which are covered by a transparent panel and respectively correspond to the positions of the HEPA filter screen and the formaldehyde filter screen component, and the positions of the transparent panel, which are opposite to the inspection window, are provided with ultraviolet lamp tubes.
Above-mentioned air purification device has the particulate matter concurrently and gets rid of and get rid of the function with formaldehyde, however, its particulate matter is got rid of and is relied on the HEPA filter screen to realize, and formaldehyde is got rid of and is relied on formaldehyde filter screen subassembly, need set up the getting rid of that particulate matter and formaldehyde just can be realized to the filter screen subassembly of two sets of differences in air purifier promptly, not only need occupy very big installation space, and two sets of filter screen independent actions in addition, the filter effect is relatively weak, it is big, with high costs to change the filter screen consumptive material at every turn.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a filter structure for an air purifier, which has double removing functions of particulate matters and formaldehyde and can effectively improve the removing function of the formaldehyde, aiming at the current situation of the prior art.
The second technical problem to be solved by the invention is to provide a filtering structure for an air purifier, which can be reused after being washed, thereby saving the use cost.
The technical scheme adopted by the invention for solving at least one technical problem is as follows: a filtering structure for an air purifier, comprising a housing having an installation space, the housing being provided with an opening through which air passes, characterized by further comprising:
the formaldehyde decomposition catalyst is attached to the surface of the ceramic substrate, and the ceramic substrate is multiple and is arranged in the installation space at intervals along the transverse direction of the opening;
the surface of the copper metal plate is adhered with a hydrophobic conductive coating, the copper metal plates are arranged in the mounting space at intervals along the longitudinal direction of the opening, and the copper metal plates are vertically arranged with the ceramic substrate and embedded in the ceramic substrate, so that the ceramic substrate and the copper metal plates form a grid-shaped filtering structure together;
the conductive heads are arranged at two ends of the copper metal plate in a one-to-one correspondence manner;
the first conducting plate is arranged corresponding to the first end of the copper metal plate and is provided with first connecting pins which are respectively connected with the copper metal plates on the odd number positions, and the first conducting plate is electrically connected with a power supply; and
and the second conducting plate is arranged corresponding to the second end of the copper metal plate and is provided with second connecting pins which are respectively connected with the copper metal plates on the even number positions, and the second conducting plate is connected with a power supply electric signal.
Preferably, the formaldehyde decomposition catalyst is composed of metal oxide and noble metal, and the formaldehyde decomposition catalyst is loaded on the ceramic substrate through a loading process and is used for continuously decomposing formaldehyde at normal temperature. Because the ceramic substrate has a porous structure and a large specific surface area, the formaldehyde decomposition catalyst is loaded on the ceramic substrate, which is beneficial to increasing the coverage area of the formaldehyde decomposition catalyst and improving the formaldehyde decomposition effect.
Preferably, the metal oxide is selected from aluminum oxide, nickel oxide, manganese dioxide and ferric oxide, and the noble metal is selected from platinum, gold, rhodium and palladium.
Preferably, the material of the hydrophobic conductive coating comprises graphene, carbon black, waterborne polyurethane and deionized water, and the hydrophobic conductive coating is uniformly sprayed on the copper metal plate through a spraying process. The hydrophobic conductive coating is adopted, and the filter screen can be reused after being washed after being used for a period of time, so that the use cost is reduced.
Preferably, the hydrophobic conductive coating is sprayed on the copper metal plate to form a plurality of pits which are arranged at intervals. This pit can provide the attachment point for the attachs of particulate matter, increases the trapping force to the particulate matter to store the particulate matter, improve the particulate matter and get rid of the effect.
In the above scheme, when the first conductive sheet is connected with a positive voltage and the second conductive sheet is connected with a negative voltage, a bias electric field capable of guiding the movement direction of the particles is formed between two adjacent copper metal plates, and the pits form an accommodating space for capturing and storing the particles.
In order to facilitate assembly, each ceramic substrate is provided with a socket which is respectively arranged corresponding to each copper metal plate, the copper metal plates are inserted into the sockets which are aligned with each other in the longitudinal direction, the conductive head is inserted into the socket of the ceramic substrate positioned at the edge of the opening, the conductive head and the ceramic substrate are bonded with each other, and the inner end of the conductive head is contacted with the corresponding copper metal plate.
Preferably, the outer end face of the conductive head forms an outwardly arched convex structure, and correspondingly, the first connecting pin and the second connecting pin are respectively provided with a connecting structure capable of wrapping the periphery of the convex structure. This structure is favorable to improving electrically conductive effect.
Preferably, the side wall of the housing is provided with a first contact piece and a second contact piece which are arranged at intervals, the first contact piece and the second contact piece are respectively connected with the positive power supply and the negative power supply, the first contact piece is connected with the first conducting strip, and the second contact piece is connected with the second conducting strip. Above-mentioned structure is convenient for wholly carry out the electricity with filter screen and air purifier and is connected.
Preferably, be provided with the baffle that corresponds the vertical extension of two open-ended longitudinal edges respectively in the casing, this baffle inboard is provided with the ceramic substrate that is close to rather than mutually respectively, two open-ended horizontal edges also are provided with ceramic substrate to make the synthetic filter chamber that corresponds the opening edge and arrange of ceramic substrate enclosure in the installation space, copper metal sheet locate in this filter chamber. This structure is favorable to improving the formaldehyde and gets rid of the effect.
Compared with the prior art, the invention has the advantages that: the ceramic substrate arranged transversely can be used for removing formaldehyde, the copper metal plate arranged longitudinally can form a bias electric field in a power-on state so as to adsorb particles, so that the filtering structure disclosed by the invention has the functions of removing formaldehyde and particles, and after the electric field is applied to the copper metal plate, the activity of a formaldehyde decomposition catalyst on the ceramic substrate can be improved, and the formaldehyde removal effect is further improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is an enlarged view of portion A of FIG. 2;
fig. 5 is an enlarged view of a portion B in fig. 3.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 5, the filter structure for an air purifier of the present embodiment includes a housing 1 having an installation space 10, and an opening 11 for allowing air to pass through is formed in the housing 1.
The filtering structure for the air purifier of the embodiment further comprises a ceramic substrate 2, a copper metal plate 3, a conductive head 4, a first conductive sheet 5 and a second conductive sheet 6.
Formaldehyde decomposition catalyst is adhered on the surface of the ceramic substrate 2, and a plurality of ceramic substrates 2 are arranged in the installation space 10 at intervals along the transverse direction of the opening 11; the surface of the copper metal plate 3 is adhered with a hydrophobic conductive coating, and the copper metal plate 3 is a plurality of plates arranged at intervals in the longitudinal direction of the opening 11 in the installation space 10. The copper metal plate 3 is arranged perpendicular to the ceramic substrate 2 and embedded in the ceramic substrate 2, so that the ceramic substrate 2 and the copper metal plate 3 together form a grid-shaped filtering structure with a certain height in the gas flowing direction.
The conductive heads 4 are provided in plurality, and the conductive heads 4 are correspondingly provided at two ends of the copper metal plate 3. The first conductive plate 5 is disposed corresponding to the first end of the copper metal plate 3 and has first connection pins 51 respectively connected to the odd-numbered copper metal plates 3, and the second conductive plate 6 is disposed corresponding to the second end of the copper metal plate 3 and has second connection pins 61 respectively connected to the even-numbered copper metal plates 3. The side wall of the shell 1 is provided with a first contact piece 7 and a second contact piece 8 which are arranged at intervals, the first contact piece 7 and the second contact piece 8 are respectively connected with a positive and negative high-voltage power supply, the first contact piece 7 is connected with the first conducting piece 5, and the second contact piece 8 is connected with the second conducting piece 6, so that the first conducting piece 5 and the second conducting piece 6 can be respectively connected with the positive and negative high-voltage power supply.
In the present embodiment, the formaldehyde decomposition catalyst is composed of a metal oxide and a noble metal, and the formaldehyde decomposition catalyst is loaded on the ceramic substrate 2 by a loading process for continuously decomposing formaldehyde at normal temperature. Because the ceramic substrate 2 has a porous structure and a large specific surface area, the formaldehyde decomposition catalyst is loaded on the ceramic substrate 2, which is beneficial to increasing the coverage area of the formaldehyde decomposition catalyst and improving the formaldehyde decomposition effect. The metal oxide is selected from aluminum oxide, nickel oxide, manganese dioxide and ferric oxide, and the noble metal is selected from platinum, gold, rhodium and palladium.
The hydrophobic conductive coating is made of graphene, carbon black, waterborne polyurethane and deionized water, and is uniformly sprayed on the copper metal plate 3 through a spraying process. The hydrophobic conductive coating is adopted, and the filter screen can be reused after being washed after being used for a period of time, so that the use cost is reduced.
The hydrophobic conductive coating of the present embodiment is sprayed on the copper metal plate 3 to form a plurality of pits 31 arranged at intervals. This pit 31 can provide the attachment point for the adhesion of particulate matter, increases the trapping force to the particulate matter to store the particulate matter, improve the particulate matter and get rid of the effect. When the first conductive sheet 5 is connected with a positive voltage and the second conductive sheet 6 is connected with a negative voltage, a bias electric field capable of guiding the movement direction of the particles is formed between the two adjacent copper metal plates 3, and the pits 31 form accommodating spaces for capturing and storing the particles.
For the convenience of assembly, each ceramic substrate 2 is provided with sockets 21 respectively arranged corresponding to each copper metal plate 3, and the copper metal plates 3 are inserted into the sockets 21 aligned with each other in the longitudinal direction. The contact head 4 is inserted into the socket 21 of the ceramic substrate 2 at the edge of the opening 11, the contact head 4 and the ceramic substrate 2 are bonded to each other and the inner ends are in contact with the respective copper metal plates 3.
The outer end face of the conductive head 4 forms an outwardly arched convex structure 41, and correspondingly, the first connecting pin 51 and the second connecting pin 61 respectively have a connecting structure 56 capable of wrapping the periphery of the convex structure 41. This structure is favorable to improving electrically conductive effect.
In this embodiment, the housing 1 is provided with a baffle 12 extending vertically corresponding to two longitudinal edges of the opening 11, the baffle 12 is provided with a ceramic substrate 2 adjacent to the baffle 12, and two lateral edges of the opening 11 are also provided with the ceramic substrates 2, so that the ceramic substrates 2 in the installation space 10 surround a filter chamber 100 arranged corresponding to the edge of the opening 11, and the copper metal plate 3 is provided in the filter chamber 100. This structure is favorable to improving the formaldehyde and gets rid of the effect.
When the filtering structure is used, the first conducting sheet 5 is connected with a 6000V positive voltage, the second conducting sheet 6 is connected with a 6000V negative voltage, a bias electric field is formed between two adjacent copper metal plates 3 which are longitudinally arranged, particles in the air are biased by the action force of the electric field when passing through the filtering structure and are captured and stored by the pits 31 on the surfaces of the copper metal plates 3, and formaldehyde in the air is decomposed and removed under the action of formaldehyde decomposition catalysts on the surfaces of the ceramic substrates 2 which are transversely arranged, so that the dual removing function of the formaldehyde and the particles is realized, meanwhile, after the electric field is applied to the copper metal plates 3, the activity of the formaldehyde decomposition catalysts on the ceramic substrates 2 can be improved, and the removing effect of the formaldehyde is further improved; after a period of use, the filterable structure is washed with water and reused.
Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the invention, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.
Claims (10)
1. A filter structure for an air cleaner, comprising a housing (1) having an installation space (10), the housing (1) being opened with an opening (11) through which air passes, characterized by further comprising:
the formaldehyde decomposition catalyst is adhered to the surface of the ceramic substrate (2), and the ceramic substrate (2) is provided with a plurality of blocks which are arranged in the installation space (10) at intervals along the transverse direction of the opening (11);
the surface of the copper metal plate (3) is adhered with a hydrophobic conductive coating, the copper metal plate (3) is multiple and is arranged in the mounting space (10) at intervals along the longitudinal direction of the opening (11), the copper metal plate (3) and the ceramic substrate (2) are vertically arranged and embedded in the ceramic substrate (2), and therefore the ceramic substrate (2) and the copper metal plate (3) form a grid-shaped filtering structure together;
the conductive heads (4) are arranged at two ends of the copper metal plate (3) in a plurality of one-to-one correspondence manner;
the first conducting strip (5) is arranged corresponding to the first end of the copper metal plate (3) and is provided with first connecting pins (51) which are respectively connected with the copper metal plates (3) on the odd-numbered positions, and the first conducting strip (5) is connected with a power supply electric signal; and
and the second conducting plate (6) is arranged corresponding to the second end of the copper metal plate (3) and is provided with second connecting pins (61) which are respectively connected with the copper metal plates (3) on the even number positions, and the second conducting plate (6) is connected with a power supply electric signal.
2. The filtering structure for an air cleaner as claimed in claim 1, wherein: the formaldehyde decomposition catalyst is loaded on the ceramic substrate (2) through a loading process and is used for continuously decomposing formaldehyde at normal temperature.
3. The filtering structure for an air cleaner according to claim 2, wherein: the metal oxide is selected from aluminum oxide, nickel oxide, manganese dioxide and ferric oxide, and the noble metal is selected from platinum, gold, rhodium and palladium.
4. The filtering structure for an air cleaner as claimed in claim 1, wherein: the hydrophobic conductive coating is made of graphene, carbon black, waterborne polyurethane and deionized water, and is uniformly sprayed on the copper metal plate (3) through a spraying process.
5. The filtering structure for an air cleaner according to claim 4, wherein: the hydrophobic conductive coating is sprayed on the copper metal plate (3) to form a plurality of pits (31) which are arranged at intervals.
6. The filtering structure for an air cleaner according to claim 5, wherein: under the state that the first conducting strip (5) is connected with a positive voltage and the second conducting strip (6) is connected with a negative voltage, a bias electric field capable of guiding the movement direction of particles is formed between the two adjacent copper metal plates (3), and the pits (31) form an accommodating space for capturing and storing the particles.
7. A filter structure for an air cleaner according to any one of claims 1 to 6, wherein: each ceramic substrate (2) is provided with a socket (21) which is respectively arranged corresponding to each copper metal plate (3), the copper metal plates (3) are inserted into the sockets (21) which are aligned with each other in the longitudinal direction, the conductive head (4) is inserted into the socket (21) of the ceramic substrate (2) positioned at the edge of the opening (11), the conductive head (4) is bonded with the ceramic substrate (2) and the inner end of the conductive head is contacted with the corresponding copper metal plate (3).
8. The filtering structure for an air cleaner according to claim 7, wherein: the outer terminal surface of conductive head (4) forms outside convex surface structure (41) of hunch-up, and is corresponding, have respectively on first connecting pin (51) and second connecting pin (61) can the cladding in this convex surface structure (41) outlying linking structure (56).
9. A filter structure for an air cleaner according to any one of claims 1 to 6, wherein: the side wall of the shell (1) is provided with a first contact piece (7) and a second contact piece (8) which are arranged at intervals, the first contact piece (7) and the second contact piece (8) are respectively connected with a positive power supply and a negative power supply, the first contact piece (7) is connected with the first conducting strip (5), and the second contact piece (8) is connected with the second conducting strip (6).
10. A filter structure for an air cleaner according to any one of claims 1 to 6, wherein: be provided with baffle (12) that correspond two vertical edge vertical extensions of opening (11) respectively in casing (1), this baffle (12) inboard is provided with ceramic substrate (2) rather than pressing close to respectively, two horizontal edges of opening (11) also are provided with ceramic substrate (2) to ceramic substrate (2) in making installation space (10) enclose synthetic filter chamber (100) that correspond opening (11) edge and arrange, copper metal plate (3) locate in this filter chamber (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110871454.6A CN113685949B (en) | 2021-07-30 | 2021-07-30 | A filtration for air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110871454.6A CN113685949B (en) | 2021-07-30 | 2021-07-30 | A filtration for air purifier |
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| Publication Number | Publication Date |
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| CN113685949A CN113685949A (en) | 2021-11-23 |
| CN113685949B true CN113685949B (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110871454.6A Active CN113685949B (en) | 2021-07-30 | 2021-07-30 | A filtration for air purifier |
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| CN (1) | CN113685949B (en) |
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| DE2545556A1 (en) * | 1974-10-11 | 1976-04-22 | Louyot Comptoir Lyon Alemand | METHODS FOR CLEANING UP POLLUTED AIR |
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| JP2000217897A (en) * | 1999-02-01 | 2000-08-08 | Matsushita Electric Ind Co Ltd | Air purifying material and air purifying device using same |
| JP2007253144A (en) * | 2005-07-21 | 2007-10-04 | Ibiden Co Ltd | Honeycomb structured body and exhaust gas purifying device |
| WO2011125225A1 (en) * | 2010-04-09 | 2011-10-13 | イビデン株式会社 | Honeycomb structure and exhaust gas purifier |
| CN103900132A (en) * | 2014-03-06 | 2014-07-02 | 宁波方太厨具有限公司 | Compound type cooking fume purifier with coupling function |
| CN104437020A (en) * | 2014-11-13 | 2015-03-25 | 浙江大学 | Indoor air purifier based on dielectric barrier discharge and PI nanofilm filtration |
| CN105698293A (en) * | 2016-01-28 | 2016-06-22 | 上海交通大学 | Multifunctional air purifying device |
| CN207622155U (en) * | 2017-12-08 | 2018-07-17 | 北京东方计量测试研究所 | A kind of Combined Electrostatic dust collect plant, air purifier, air conditioner |
| CN111569643A (en) * | 2020-04-29 | 2020-08-25 | 江苏卓高环保科技有限公司 | Composite purifying material for purifying PM2.5 formaldehyde and air purifier prepared from composite purifying material |
| CN112892870A (en) * | 2021-04-12 | 2021-06-04 | 珠海格力电器股份有限公司 | Discharging structure, dust removal device and air purifier |
-
2021
- 2021-07-30 CN CN202110871454.6A patent/CN113685949B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2545556A1 (en) * | 1974-10-11 | 1976-04-22 | Louyot Comptoir Lyon Alemand | METHODS FOR CLEANING UP POLLUTED AIR |
| JPH02307511A (en) * | 1989-05-19 | 1990-12-20 | Sakai Chem Ind Co Ltd | Ozone decomposer |
| JP2000217897A (en) * | 1999-02-01 | 2000-08-08 | Matsushita Electric Ind Co Ltd | Air purifying material and air purifying device using same |
| JP2007253144A (en) * | 2005-07-21 | 2007-10-04 | Ibiden Co Ltd | Honeycomb structured body and exhaust gas purifying device |
| WO2011125225A1 (en) * | 2010-04-09 | 2011-10-13 | イビデン株式会社 | Honeycomb structure and exhaust gas purifier |
| CN103900132A (en) * | 2014-03-06 | 2014-07-02 | 宁波方太厨具有限公司 | Compound type cooking fume purifier with coupling function |
| CN104437020A (en) * | 2014-11-13 | 2015-03-25 | 浙江大学 | Indoor air purifier based on dielectric barrier discharge and PI nanofilm filtration |
| CN105698293A (en) * | 2016-01-28 | 2016-06-22 | 上海交通大学 | Multifunctional air purifying device |
| CN207622155U (en) * | 2017-12-08 | 2018-07-17 | 北京东方计量测试研究所 | A kind of Combined Electrostatic dust collect plant, air purifier, air conditioner |
| CN111569643A (en) * | 2020-04-29 | 2020-08-25 | 江苏卓高环保科技有限公司 | Composite purifying material for purifying PM2.5 formaldehyde and air purifier prepared from composite purifying material |
| CN112892870A (en) * | 2021-04-12 | 2021-06-04 | 珠海格力电器股份有限公司 | Discharging structure, dust removal device and air purifier |
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|---|---|
| CN113685949A (en) | 2021-11-23 |
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