CN216080241U - Air purifier filter assembly with high-efficiency photocatalytic memory effect - Google Patents
Air purifier filter assembly with high-efficiency photocatalytic memory effect Download PDFInfo
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- CN216080241U CN216080241U CN202121281561.5U CN202121281561U CN216080241U CN 216080241 U CN216080241 U CN 216080241U CN 202121281561 U CN202121281561 U CN 202121281561U CN 216080241 U CN216080241 U CN 216080241U
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Abstract
The utility model discloses an air purifier filter assembly with high-efficiency photocatalysis 'memory' effect, wherein a ventilation air duct is formed in the filter assembly, a multi-layer purification net structure is arranged in the ventilation air duct, and the multi-layer purification net structure comprises at least oneThe sterilizing and purifying net structure comprises a sterilizing and purifying net, a photocatalytic material layer is attached to the sterilizing and purifying net and comprises a component CU2O‑TiO2、CU2O‑WO3、CU2O‑Ag、TiO2‑Ag、CU2O‑SnO2At least one of the above, the photocatalytic material layer stores high-energy electrons generated by the photocatalytic material layer under the illumination condition, active oxygen radicals are generated by releasing the stored electrons after the illumination is closed, and pollutants are cleaned, so that the photocatalytic material layer can keep activity for a long time under the dark condition, the pollutants in the environment can be treated without interruption, the filtering efficiency of the filtering component is improved, and the user experience is further improved.
Description
Technical Field
The utility model relates to the technical field of air purifiers, in particular to an air purifier filter assembly with a high-efficiency photocatalytic memory effect.
Background
Today, the concept of ' green and healthy ' is more and more deep into people's mind, people have higher and higher requirements on the quality of the environment where the people are located, clean and fresh air is a necessary condition for high-quality healthy life of people, and the topics of air quality and air purification are gradually promoted. The suspended particles in the air and the bacteria, viruses, gaseous pollutants and the like carried by the particles can threaten the health of human bodies. Especially, a newly decorated house is extremely harmful to susceptible people such as old people with poor resistance, infants, pregnant women and the like, and the huge market demand promotes the vigorous development of air purifiers and air purification material industries. One of the core components of the purifier is that the air purifier can intercept particulate matters and gaseous pollutants, so that the key link of air purification is realized, and the structure and the material of the purifier have great influence on the purification effect. The design service life of the air purifier can reach years, the filtering performance of the filter screen is gradually reduced along with the continuous accumulation of pollutants in the using process, and the service life of the filter screen is only about half a year generally.
The photocatalytic material layer can be used for effectively treating pollutants in the environment, however, in the existing application scene, the activity of the photocatalytic material layer is greatly reduced under the dark or short-time dark condition, the filtering efficiency is obviously reduced, the user experience is greatly reduced, and the filtering component needs to be optimized.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an air purifier filter assembly with an efficient photocatalytic memory effect, aiming at optimizing the existing filter assembly to improve the user experience.
In order to achieve the purpose, the utility model provides an air purifier filter assembly with a high-efficiency photocatalytic memory effect, wherein a ventilation air channel is formed in the filter assembly, a plurality of layers of purification net structures are sequentially arranged in the ventilation air channel along the extension direction of the ventilation air channel, each multi-layer purification net structure comprises at least one sterilization purification net structure, each sterilization purification net structure comprises a sterilization purification net, a photocatalytic material layer is attached to each sterilization purification net, and each photocatalytic material layer comprises CU2O-TiO2、CU2O-WO3、CU2O-Ag、TiO2-Ag、CU2O-SnO2At least one of (1).
Optionally, the sterilization and purification net structure is provided with two structures, one of the two structures is arranged adjacent to the air outlet of the ventilation air duct, and the other structure is arranged adjacent to the air inlet of the ventilation air duct.
Optionally, a lighting device is further arranged in the ventilation air duct, the lighting device is arranged adjacent to an air outlet of the ventilation air duct, and a light irradiation surface of the lighting device faces the corresponding sterilization and purification net structure.
Optionally, the aperture of the mesh of the sterilization and purification net adjacent to the air outlet of the ventilation air duct is smaller than the aperture of the mesh of the sterilization and purification net adjacent to the air inlet of the ventilation air duct.
Optionally, the multilayer purifies the network structure and still includes the HEPA filter screen, the HEPA filter screen is located two disinfect between the purification network structure.
Optionally, the material of the HEPA filter screen includes at least one of a non-woven fabric, a polypropylene fiber, and a glass fiber material.
Optionally, the multi-layer purification net structure further comprises a honeycomb activated carbon filter screen, and the honeycomb activated carbon filter screen is arranged between the two sterilization purification net structures.
Optionally, the carbon content is between 35% and 50% within the honeycomb activated carbon filter mesh.
Optionally, the middle of the sterilization and purification net adjacent to the air outlet of the ventilation air duct is bent towards the air inlet of the ventilation air duct.
Optionally, the material of the sterilization and purification net comprises at least one of non-woven fabric, polypropylene fiber and glass fiber material.
According to the technical scheme provided by the utility model, the filter assembly is internally provided with the ventilation air channel, the ventilation air channel is internally provided with at least one sterilization and purification net structure, the sterilization and purification net structure comprises a sterilization and purification net, the sterilization and purification net is adhered with the photocatalytic material layer, the photocatalytic material layer stores high-energy electrons generated by the photocatalytic material layer under the illumination condition, active oxygen groups are generated by releasing the stored electrons after the illumination is closed, and pollutants are cleaned by utilizing the active oxygen groups, so that the active oxygen groups can keep activity for a long time under the dark condition, the pollutants in the environment can be treated uninterruptedly, the filter efficiency of the filter assembly is improved, and the user experience is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of one embodiment (at an angle) of an air purifier filter assembly having a highly efficient photocatalytic "memory" effect provided by the present invention;
FIG. 2 is a schematic cross-sectional view of the filter assembly (from another perspective) of the air purifier of FIG. 1 having a high efficiency photocatalytic "memory" effect;
FIG. 3 is a schematic structural view of the sterilization and purification net shown in FIG. 1;
fig. 4 is an enlarged schematic view of a portion a in fig. 3.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Today, the concept of ' green and healthy ' is more and more deep into people's mind, people have higher and higher requirements on the quality of the environment where the people are located, clean and fresh air is a necessary condition for high-quality healthy life of people, and the topics of air quality and air purification are gradually promoted. The suspended particles in the air and the bacteria, viruses, gaseous pollutants and the like carried by the particles can threaten the health of human bodies. Especially, a newly decorated house is extremely harmful to susceptible people such as old people with poor resistance, infants, pregnant women and the like, and the huge market demand promotes the vigorous development of air purifiers and air purification material industries. One of the core components of the purifier is that the air purifier can intercept particulate matters and gaseous pollutants, so that the key link of air purification is realized, and the structure and the material of the purifier have great influence on the purification effect. The design service life of the air purifier can reach years, the filtering performance of the filter screen is gradually reduced along with the continuous accumulation of pollutants in the using process, and the service life of the filter screen is only about half a year generally.
The photocatalytic material layer can be used for effectively treating pollutants in the environment, however, in the existing application scene, the activity of the photocatalytic material layer is greatly reduced under the dark or short-time dark condition, the filtering efficiency is obviously reduced, the user experience is greatly reduced, and the filtering component needs to be optimized.
In view of this, the present invention provides an air purifier filter assembly with an efficient photocatalytic memory effect, which optimizes the structure of the filter assembly of the existing air purifier and improves the user experience, wherein fig. 1 to 4 are schematic structural diagrams of embodiments of the air purifier filter assembly with the efficient photocatalytic memory effect provided by the present invention.
Referring to fig. 1 to 4, a ventilation air duct 1 is formed in the air purifier filter assembly 100 with the high-efficiency photocatalytic memory effect, a plurality of purification net structures are sequentially arranged in the ventilation air duct 1 along the extending direction of the ventilation air duct 1, each purification net structure comprises at least one sterilization purification net structure 2, each sterilization purification net structure 2 comprises a sterilization purification net 21, a photocatalytic material layer 6 is attached to each sterilization purification net 21, wherein each photocatalytic material layer 6 comprises CU2O-TiO2、CU2O-WO3、CU2O-Ag、TiO2-Ag、CU2O-SnO2At least one of (1).
According to the technical scheme provided by the utility model, a ventilation air duct 1 is formed in the filtering assembly, at least one sterilization and purification net structure 2 is arranged in the ventilation air duct 1, the sterilization and purification net structure 2 comprises a sterilization and purification net 21, a photocatalytic material layer 6 is attached to the sterilization and purification net 21, the photocatalytic material layer 6 stores high-energy electrons generated by the photocatalytic material layer under the illumination condition, active oxygen groups are generated by releasing the stored electrons after the illumination is closed, and pollutants are cleaned by utilizing the active oxygen groups, so that the pollutants can be kept active for a long time under the dark condition, the pollutants in the environment can be treated uninterruptedly, the filtering efficiency of the filtering assembly is improved, and the user experience is further improved.
With the layer of photocatalytic material 6 comprising CU2O-TiO2By way of example, TiO2The band gap is wider, and a small part of ultraviolet light, Cu in sunlight can be absorbed2O has a narrow band gap, has certain absorption on visible light parts in sunlight, and under the combined action of the O and the O, invisible sunlight can be absorbed even in a dark environment, active oxygen groups are continuously released, pollutants in the environment are continuously treated, the efficiency of photocatalytic reaction is enhanced, the utilization of the sunlight is improved, the filtering efficiency of a filtering component is improved, and further the user experience is improved。
With the layer of photocatalytic material 6 comprising CU2O-WO3By way of example, WO3The band gap is wider, and a small part of ultraviolet light, Cu in sunlight can be absorbed2The band gap of O is narrower, and has certain absorption to the visible light part in the sunlight, and the two combined action can also absorb invisible sunlight even under the dark environment, continue to release active oxygen group, continue to handle the pollutant in the environment, have strengthened photocatalytic reaction's efficiency, have improved the utilization to the sunlight, have improved filtering component's filtration efficiency, and then have improved user experience.
For material CU2O-Ag、TiO2-Ag、CU2O-SnO2The same has the functions, and under the dark environment, the invisible sunlight can be absorbed, the active oxygen groups can be continuously released, pollutants in the environment can be continuously treated, the efficiency of photocatalytic reaction is enhanced, the utilization of the sunlight is improved, the filtering efficiency of the filtering component is improved, and further the user experience is improved, and the detailed description is omitted here.
It should be noted that the above-mentioned binary photocatalytic material layer 6 can maintain its activity for a long time in the absence of light after the light is turned off, and can perform uninterrupted treatment on pollutants in the environment, and the above characteristic can be referred to as a photocatalytic "memory" effect.
In addition, the air purifier filter assembly 100 with the high-efficiency photocatalytic memory effect can be used as a purifier alone and directly used indoors, or can be used as a module of an air conditioner to be added into an indoor air conditioner for use.
In one embodiment, the sterilization purification net structure 2 is provided with two, one of the two sterilization purification net structures is adjacent to the air outlet 11 of the ventilation air duct 1, and the other one is adjacent to the air inlet 12 of the ventilation air duct 1, namely after the air enters the filter assembly, the sterilization purification net structure 2 is firstly used for preliminary purification, and then the sterilization purification net structure 2 is used for final purification, and finally the purified air is discharged into the room, so that the air in the room can be continuously purified, pollutants in the environment can be continuously treated in both daytime and night, the efficiency of the photocatalytic reaction is enhanced, the utilization of sunlight is improved, the filter efficiency of the filter assembly is improved, and further the user experience is improved.
In one embodiment, the aperture of the mesh of the sterilization and purification net 21 adjacent to the air outlet 11 of the ventilation air duct 1 is smaller than the aperture of the mesh of the sterilization and purification net 21 adjacent to the air inlet 12 of the ventilation air duct 1, the aperture of the mesh of the sterilization and purification net 21 adjacent to the air inlet 12 of the ventilation air duct 1 is larger, large particles, small insects, floccules, fine dusts and other objects can be blocked primarily, and the aperture of the mesh of the sterilization and purification net 21 adjacent to the air outlet 11 of the ventilation air duct 1 is smaller, so that formaldehyde, bacteria, mold and the like in the air can be removed efficiently, and harmful organic substances can be degraded sufficiently.
Further, still be equipped with lighting device 3 in ventilation wind channel 1, lighting device 3 is close to the air outlet 11 setting of ventilation wind channel 1, lighting device 3's illumination face sets up towards the corresponding sterilization purification net structure 2, provides the light source through lighting device 3 can guarantee to provide under the dark environment the purifying effect of sterilization purification net 21.
It should be noted that the lighting device 3 may be a fluorescent lamp or an ultraviolet lamp, and certainly, the number of the lighting devices is not limited, for example, the lighting devices 3 may be multiple lighting devices 3, or may be a single lighting device 3, when one lighting device 3 is provided, the lighting device 3 may be disposed at a position adjacent to the air outlet 11 of the ventilation air duct 1, so as to facilitate the purification of the sterilization and purification net 21 adjacent to the air outlet 11 of the ventilation air duct 1, and the other sterilization and purification net 21 located at the air inlet 12 of the ventilation air duct 1 may be realized by the light transmission of the gap between the ventilation air duct 1 and the filter assembly, so as to facilitate the better purification effect of the air purified by the filter assembly.
In addition, the lighting device 3 may be configured to control the lighting device 3 by providing a power supply, a switch, a control circuit, and other related structures in the ventilation air duct 1, which will not be described in detail herein.
Furthermore, the middle part of the sterilizing and purifying net 21 adjacent to the air outlet 11 of the ventilation air duct 1 is bent towards the air inlet 12 of the ventilation air duct 1, so that on one hand, the effective purifying area of the sterilizing and purifying net 21 is increased, and on the other hand, the lighting devices 3 can be reasonably arranged.
In one embodiment, the material of the sterilization and purification net 21 includes at least one of non-woven fabric, polypropylene fiber, and glass fiber material, and the non-woven fabric, polypropylene fiber, and glass fiber material all have the characteristics of moisture resistance, air permeability, flexibility, light weight, flame retardancy, no toxicity, no odor, low price, and recyclability, and are suitable for use in an air filtration module and also suitable for the attachment of a photocatalytic material in the sterilization and purification net 21.
The photocatalytic material layer 6 can be attached to at least one of the nonwoven fabric, the polypropylene fiber, and the glass fiber material by spraying or depositing.
The material of the sterilization/purification net 21 may be a pure material including only one of nonwoven fabric, polypropylene fiber, and glass fiber material, or a mixture including two or three of nonwoven fabric, polypropylene fiber, and glass fiber material, which are all embodiments of the present invention.
In order to obtain a larger purification area, in an embodiment, the sterilization purification net 21 is folded, and taking the material of the sterilization purification net 21 as an example, the length of the nonwoven fabric is greater than the width of the ventilation air duct 1, so that the nonwoven fabric is bent and folded in the ventilation air duct 1, and is convenient to fully contact with the airflow flowing through the ventilation air duct 1, thereby improving the purification efficiency.
In one embodiment, the multi-layer purifying net structure further comprises an HEPA filter screen 4, the HEPA filter screen 4 is arranged between the two sterilizing purifying net structures 2, and the HEPA (high efficiency particulate filter) is a high efficiency air filter, reaches a filter screen of an HEPA standard, has an effective rate of 99.998% for 0.1 micron and 0.3 micron, is characterized in that air can pass through the HEPA filter screen, but fine particles cannot pass through the HEPA filter screen, has a removal efficiency of more than 99.7% for particles with a diameter of more than 0.3 micron (1/200 for hair diameter), and is the most effective filtering medium for pollutants such as smoke, dust and bacteria. (the smoke particles produced by smoking are 0.5 microns in diameter). It is the most efficient filter material internationally recognized. The HEPA filter screen 4 is widely applied to high-cleanness places such as operating rooms, animal laboratories, crystal experiments and aviation, the quality of air purification is further improved by the arrangement of the HEPA filter screen, and the HEPA filter screen has a good effect.
In one embodiment, the material of the HEPA filter 4 includes at least one of a non-woven fabric, a polypropylene fiber, and a glass fiber material, and the non-woven fabric, the polypropylene fiber, and the glass fiber material all have the characteristics of moisture resistance, air permeability, flexibility, light weight, flame retardancy, no toxicity, no odor, low price, recyclability, and the like.
In another embodiment, the multi-layer purification net structure further comprises a honeycomb activated carbon filter screen 5, the honeycomb activated carbon filter screen 5 is arranged between the two sterilization purification net structures 2, the carbon content in the honeycomb activated carbon filter screen 5 is between 35% and 50%, the honeycomb activated carbon filter screen 5 is made by loading activated carbon on a polyurethane substrate, the carbon content is about 35% to 50%, the honeycomb activated carbon filter screen has good adsorption performance, can be used for air purification, and removing volatile organic compounds and pollutants such as tiny dust, smoke, odor, toluene, methanol and the like in air, is mainly used for various air purifiers, air conditioning fans of air conditioners, computer hosts and the like, has good formability, small air resistance and pressure drop and good purification effect, and can fully purify the circulating air in the filter assembly through the high-efficiency adsorption effect of the honeycomb activated carbon filter screen 5, has better effect.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention that are made by using the contents of the specification and the drawings or directly/indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (10)
1. The utility model provides an air purifier filter assembly with high-efficient photocatalysis "memory" effect, its characterized in that be formed with the ventilation duct in the filter assembly, follow the extending direction in ventilation duct be equipped with the multilayer in proper order in the ventilation duct and purify the network structure, the multilayer purifies the network structure and includes at least one purification network structure that disinfects, purify the network structure including disinfecting disinfect the purification network disinfect and be attached to the photocatalysis material layer on the purification network.
2. The filter assembly of claim 1, wherein the sterilizing and purifying net structure is disposed in two, one of the two being disposed adjacent to the air outlet of the ventilation duct, and the other being disposed adjacent to the air inlet of the ventilation duct.
3. The air purifier filter assembly with the high-efficiency photocatalytic memory effect as recited in claim 2, wherein a lighting device is further disposed in the ventilation air duct, the lighting device is disposed adjacent to the air outlet of the ventilation air duct, and the light-irradiated surface of the lighting device faces the corresponding sterilization and purification net structure.
4. The air purifier filter assembly with high efficiency photocatalytic "memory" effect as claimed in claim 2, wherein the aperture of the mesh of the sterilizing purification net adjacent to the air outlet of the ventilation duct is smaller than the aperture of the mesh of the sterilizing purification net adjacent to the air inlet of the ventilation duct.
5. The air purifier filter assembly having an efficient photocatalytic "memory" effect as claimed in claim 2, wherein said multi-layer purification mesh structure further comprises a HEPA screen, said HEPA screen being disposed between two of said sterilization purification mesh structures.
6. The air purifier filter assembly with an efficient photocatalytic "memory" effect as claimed in claim 5, wherein the HEPA filter screen is made of at least one of non-woven fabric, polypropylene fiber and glass fiber material.
7. The air cleaner filter assembly with highly effective photocatalytic "memory" effect as claimed in claim 2, wherein said multi-layer purification mesh structure further comprises a honeycomb activated carbon filter mesh, said honeycomb activated carbon filter mesh being disposed between two of said sterilization purification mesh structures.
8. The air purifier filter assembly having an efficient photocatalytic "memory" effect as claimed in claim 7, wherein the carbon content in said honeycomb activated carbon filter net is between 35% and 50%.
9. The air purifier filter assembly with the high efficiency photocatalytic "memory" effect as claimed in claim 2, wherein the middle portion of the sterilizing purification net adjacent to the air outlet of the ventilation duct is bent toward the air inlet of the ventilation duct.
10. The air purifier filter assembly with high efficiency photocatalytic memory effect as set forth in claim 1, wherein the sterilizing and purifying net is made of at least one material selected from the group consisting of non-woven fabric, polypropylene fiber and glass fiber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121281561.5U CN216080241U (en) | 2021-06-08 | 2021-06-08 | Air purifier filter assembly with high-efficiency photocatalytic memory effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121281561.5U CN216080241U (en) | 2021-06-08 | 2021-06-08 | Air purifier filter assembly with high-efficiency photocatalytic memory effect |
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| Publication Number | Publication Date |
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| CN216080241U true CN216080241U (en) | 2022-03-18 |
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| CN202121281561.5U Active CN216080241U (en) | 2021-06-08 | 2021-06-08 | Air purifier filter assembly with high-efficiency photocatalytic memory effect |
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