CN117663336A - Air purification assembly, air purifier and air conditioner - Google Patents
Air purification assembly, air purifier and air conditioner Download PDFInfo
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- CN117663336A CN117663336A CN202211065783.2A CN202211065783A CN117663336A CN 117663336 A CN117663336 A CN 117663336A CN 202211065783 A CN202211065783 A CN 202211065783A CN 117663336 A CN117663336 A CN 117663336A
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- 238000004887 air purification Methods 0.000 title claims description 12
- 230000001699 photocatalysis Effects 0.000 claims abstract description 85
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 238000007146 photocatalysis Methods 0.000 claims abstract description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 229940073609 bismuth oxychloride Drugs 0.000 claims description 4
- SFOQXWSZZPWNCL-UHFFFAOYSA-K bismuth;phosphate Chemical compound [Bi+3].[O-]P([O-])([O-])=O SFOQXWSZZPWNCL-UHFFFAOYSA-K 0.000 claims description 4
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 4
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 claims description 4
- 229910001195 gallium oxide Inorganic materials 0.000 claims description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 4
- OZKCXDPUSFUPRJ-UHFFFAOYSA-N oxobismuth;hydrobromide Chemical compound Br.[Bi]=O OZKCXDPUSFUPRJ-UHFFFAOYSA-N 0.000 claims description 4
- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000161 silver phosphate Inorganic materials 0.000 claims description 4
- FJOLTQXXWSRAIX-UHFFFAOYSA-K silver phosphate Chemical compound [Ag+].[Ag+].[Ag+].[O-]P([O-])([O-])=O FJOLTQXXWSRAIX-UHFFFAOYSA-K 0.000 claims description 4
- 229940019931 silver phosphate Drugs 0.000 claims description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 4
- 229910001887 tin oxide Inorganic materials 0.000 claims description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 4
- 239000003574 free electron Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 description 42
- 230000006798 recombination Effects 0.000 description 14
- 238000005215 recombination Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- 230000002401 inhibitory effect Effects 0.000 description 8
- 230000005764 inhibitory process Effects 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Catalysts (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
An air cleaning assembly, an air cleaner and an air conditioner are provided herein. The air cleaning assembly includes: the first functional board is provided with a first insulating medium layer, a first electrode layer arranged on one side surface of the first insulating medium layer and a first photocatalysis layer arranged on the other side surface of the first insulating medium layer, and the thickness of the first insulating medium layer is not more than 3mm; a light emitting source located at one side of the first functional plate and configured to emit light toward the first photocatalytic layer; and the electrode structure is positioned on one side of the first photocatalytic layer, which is opposite to the first insulating medium layer, and is insulated from the first photocatalytic layer. The air purifying component can better prevent free electrons and holes from being combined in the photocatalysis process.
Description
Technical Field
The invention relates to the field of electrical equipment, in particular to an air purifying assembly, an air purifier and an air conditioner.
Background
The existing photocatalysis structure comprises a functional plate and a luminous source, wherein the functional plate comprises a dielectric plate and a photocatalysis layer arranged on the side face of the dielectric plate. The light-emitting source emits light toward the photocatalytic layer, the photocatalyst is excited, free electron-hole pairs of the photocatalyst are separated, and the separated free electrons catalyze air to generate strong oxidizing substances. However, the severe recombination process of free electrons and holes restricts the generation of strongly oxidizing species. How to better prevent free electrons and holes from being recombined is a technical problem that needs to be solved by the person skilled in the art.
Disclosure of Invention
The main object of the present invention is to provide an air cleaning module which is capable of better preventing free electrons and holes from recombining during photocatalysis.
The embodiment of the invention also provides an air purifier and an air conditioner.
To achieve the above object, an air purifying assembly according to an embodiment of the present invention includes: the first functional board is provided with a first insulating medium layer, a first electrode layer arranged on one side surface of the first insulating medium layer and a first photocatalysis layer arranged on the other side surface of the first insulating medium layer, and the thickness of the first insulating medium layer is not more than 3mm; a light emitting source located at one side of the first functional plate and configured to emit light toward the first photocatalytic layer; and the electrode structure is positioned on one side of the first photocatalytic layer, which is opposite to the first insulating medium layer, and is insulated from the first photocatalytic layer.
In some exemplary embodiments, the electrode structure is located between the light emitting source and the first functional board.
In some exemplary embodiments, the electrode structure includes a plurality of conductive pillars disposed on the first photocatalytic layer at intervals, each of the conductive pillars includes a conductive cell and an insulating layer coated outside the conductive cell, and the electrode structure and the first electrode layer are configured to be loaded with different voltages.
In some exemplary embodiments, the light emitting source is located between the electrode structure and the first functional board.
In some exemplary embodiments, the air cleaning assembly further comprises: the second functional board is positioned on one side of the luminous source, which is opposite to the first functional board, and is provided with a second insulating medium layer and a second electrode layer arranged on the side surface of the second insulating medium layer, and the electrode structure is the second electrode layer.
In some exemplary embodiments, the second electrode layer is located on a side of the second insulating medium layer facing the light emitting source, or the second electrode layer is located on a side of the second insulating medium layer facing away from the light emitting source.
In some exemplary embodiments, the second electrode layer is located on a side of the second insulating medium layer facing away from the light emitting source, the second functional board further has a second photocatalytic layer located on a side of the second insulating medium layer facing toward the light emitting source, the second insulating medium layer has a thickness of not more than 3mm, and the light emitting source is further configured to emit light toward the second photocatalytic layer.
In some exemplary embodiments, the air cleaning assembly further comprises: and the power supply is electrically connected with the first electrode layer, the light-emitting source and the electrode structure.
In some exemplary embodiments, the light emitting source is an ultraviolet light source.
In some exemplary embodiments, the composition of the first photocatalytic layer includes one or more of cerium oxide, titanium oxide, zinc oxide, tin oxide, gallium oxide, bismuth phosphate, silver phosphate, bismuth oxybromide, bismuth oxychloride.
The air purifier provided by the invention comprises a main body provided with an air duct and the air purifying component in any embodiment, wherein the air purifying component is arranged in the air duct.
The air conditioner provided by the invention comprises a main body provided with an air duct and the air purifying component in any embodiment, wherein the air purifying component is arranged in the air duct.
In the technical scheme of the invention, the light emitted by the light-emitting source irradiates the first photocatalytic layer to excite the first photocatalytic layer, so that free electron-hole pairs of the first photocatalytic layer are separated; the electric field formed by the first electrode layer and the electrode structure, the electric field formed by the first photocatalytic layer and the first electrode layer, the electric field formed by the first photocatalytic layer and the electrode structure, the combined action strength of a plurality of electric fields is higher, the effect of inhibiting free electron-hole recombination is better, and the photocatalytic efficiency is higher; the first functional plate is of an integrated structure, the thickness of the first insulating medium layer is not more than 3mm, and therefore an electric field formed by the first photocatalytic layer and the first electrode layer is more stable and higher in strength.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an air purifying assembly according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of the first functional board in FIG. 1;
FIG. 3 is a schematic view of an air purifying assembly according to another embodiment of the present invention;
FIG. 4 is a schematic perspective view of the first functional board and the conductive post shown in FIG. 3 after being connected;
FIG. 5 is a schematic perspective view of the conductive post of FIG. 3;
fig. 6 is a comparative view of contaminant purification of the air cleaning assembly of fig. 1 with the first electrode layer and the second electrode layer in an energized state a and a non-energized state B.
The correspondence between the reference numerals and the component names in fig. 1 to 5 is:
100 first functional board, 110 first insulating dielectric layer, 120 first electrode layer, 130 first photocatalytic layer, 200 luminous source, 300 conductive column, 310 conductive cell, 320 insulating layer, 400 second functional board, 410 second insulating dielectric layer, 420 second electrode layer, 430 second photocatalytic layer, 500 power supply.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; "coupled" may be directly connected or indirectly connected through intervening media, and may be in the internal communication of two elements or in the interaction of two elements, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
FIG. 1 is a schematic view of an air purifying assembly according to an embodiment of the present invention; FIG. 2 is a schematic perspective view of the first functional board in FIG. 1; FIG. 3 is a schematic view of an air purifying assembly according to another embodiment of the present invention; FIG. 4 is a schematic perspective view of the first functional board and the conductive post shown in FIG. 3 after being connected; fig. 5 is a schematic perspective view of the conductive pillar in fig. 3.
The air purifying assembly according to the embodiment of the present invention, as shown in fig. 1 to 5, includes: the first functional board 100, the first functional board 100 has a first insulating dielectric layer 110, a first electrode layer 120 disposed on one side surface of the first insulating dielectric layer 110, and a first photocatalytic layer 130 disposed on the other side surface of the first insulating dielectric layer 110, and the thickness of the first insulating dielectric layer 110 is set to be not more than 3mm; a light emitting source 200, the light emitting source 200 being located at one side of the first functional board 100 and being disposed to emit light toward the first photocatalytic layer 130; and an electrode structure located at a side of the first photocatalytic layer 130 facing away from the first insulating dielectric layer 110 and insulated from the first photocatalytic layer 130.
The light emitted by the light emitting source 200 irradiates the first photocatalytic layer 130, and excites the first photocatalytic layer 130, so that free electron-hole pairs of the first photocatalytic layer 130 are separated; the electric field formed by the first electrode layer 120 and the electrode structure, the electric field formed by the first photocatalytic layer 130 and the first electrode layer 120, the electric field formed by the first photocatalytic layer 130 and the electrode structure, the combined action strength of a plurality of electric fields is larger, the effect of inhibiting free electron-hole recombination is better, and the photocatalytic efficiency is higher. The first insulating dielectric layer 110 is located between the first photocatalytic layer 130 and the first electrode layer 120, and two sides of the first insulating dielectric layer 110 are respectively in contact with the first photocatalytic layer 130 and the first electrode layer 120, because the surface of the first insulating dielectric layer 110 has an adsorption effect on charges, the first side of the first insulating dielectric layer 110, which is in contact with the first photocatalytic layer 130, carries a first charge carried by the end of the first insulating dielectric layer 130, which is close to the first electrode layer 120, and the second side of the first insulating dielectric layer 110, which is in contact with the first electrode layer 120, carries a second charge provided by the first electrode layer 120, and the first charge and the second charge are opposite in electrical property, so that an internal electric field is formed in the first insulating dielectric layer 110, and the internal electric field has the same direction as that formed by the first electrode layer 120 and the electrode structure, thereby increasing the overall electric field strength and further inhibiting the recombination of photo-generated electron hole pairs. The first functional board 100 is an integral structure, and the thickness of the first insulating medium layer 110 is set to be not greater than 3mm, so that an electric field formed by the first photocatalytic layer 130 and the first electrode layer 120 is more stable and has higher intensity, an internal electric field in the first insulating medium layer 110 is also more stable and has higher intensity, the inhibition effect on free electron and hole recombination is better, and the inhibition effect plays a main role in the process of inhibiting free electron and hole recombination on the first photocatalytic layer 130. The first insulating dielectric layer 110 may be made of existing insulating materials including inorganic materials including but not limited to quartz and organic materials including but not limited to insulating polymers such as polytetrafluoroethylene. The first insulating dielectric layer 110 also functions to avoid electrical breakdown.
In some exemplary embodiments, the thickness of the first insulating dielectric layer 110 is set to 0.1mm to 3mm. The thickness of the first insulating dielectric layer 110 may be set to 0.1mm; alternatively, the thickness of the first insulating dielectric layer 110 may be set to 0.5mm; alternatively, the thickness of the first insulating dielectric layer 110 may be set to 1mm; alternatively, the thickness of the first insulating dielectric layer 110 may be set to 1.5mm; alternatively, the thickness of the first insulating dielectric layer 110 may be set to 2mm; alternatively, the thickness of the first insulating dielectric layer 110 may be set to 2.5mm; alternatively, the thickness of the first insulating dielectric layer 110 may be set to 3mm or the like; the foregoing may all achieve the purpose of the present application, and the spirit of the present application is not departing from the design concept of the present invention, and the disclosure is not repeated herein, and all the purpose should be within the protection scope of the present application.
In some exemplary embodiments, as shown in fig. 3 and 4, the electrode structure is positioned between the light emitting source 200 and the first functional plate 100 such that the distance between the electrode structure and the first functional plate 100 is smaller, the electric field formed by the first electrode layer 120 and the electrode structure is more stable and has higher intensity, the electric field formed by the first photocatalytic layer 130 and the electrode structure is also more stable and has higher intensity, and the internal electric field formed in the first insulating medium layer 110 is also more stable and has higher intensity.
In some examples, as shown in fig. 3 to 5, the electrode structure includes a plurality of conductive pillars 300 spaced apart from a side of the first photocatalytic layer 130 facing away from the first insulating medium layer 110, each conductive pillar 300 includes a conductive cell 310 and an insulating layer 320 coated on an outer side of the conductive cell 310, and the plurality of conductive pillars 300 and the first electrode layer 120 are configured to be loaded with different voltages (the greater the voltage difference, the better), so that an electric field formed by the first electrode layer 120 and the electrode structure is more stable and has a higher intensity, an electric field formed by the first photocatalytic layer 130 and the electrode structure is also more stable and has a higher intensity, and an internal electric field within the first insulating medium layer 110 is also more stable and has a higher intensity.
The first electrode layer 120 may be configured to be connected to positive voltage, and the electrode structure may be configured to be grounded (or connected to negative voltage); alternatively, the first electrode layer 120 may be grounded (or connected to negative voltage), and the electrode structure may be connected to positive voltage; the foregoing may all achieve the purpose of the present application, and the spirit of the present application is not departing from the design concept of the present invention, and the disclosure is not repeated herein, and all the purpose should be within the protection scope of the present application.
In some examples, as shown in fig. 3, the air purification assembly further comprises: the power supply 500 is electrically connected to the first electrode layer 120, the light emitting source 200, and the plurality of conductive pillars 300, and is used for supplying power to the first electrode layer 120, the light emitting source 200, and the plurality of conductive pillars 300.
In other exemplary embodiments, the light-emitting source is located between the electrode structure and the first functional board, so that the electric field strength formed by the first electrode layer and the electrode structure is relatively reduced, the electric field strength formed by the first photocatalytic layer and the electrode structure is also relatively reduced, but the strength of the electric field formed by the first photocatalytic layer 130 and the first electrode layer 120, which play a main role in inhibition, is substantially unchanged, and the internal electric field in the first insulating medium layer 110 can also play a role in substantially unchanged strength, so that the purpose of the present application can be achieved.
In still other exemplary embodiments, as shown in fig. 1 and 2, the air cleaning assembly further comprises: the second functional board 400 is located on a side of the light emitting source 200 facing away from the first functional board 100, and has a second insulating dielectric layer 410 and a second electrode layer 420 disposed on a side surface of the second insulating dielectric layer 410, where the electrode structure is the second electrode layer 420.
The second electrode layer may be located on a side of the second insulating medium layer facing the light emitting source; alternatively, the second electrode layer may be located on a side surface of the second insulating medium layer facing away from the light emitting source; the foregoing may all achieve the purpose of the present application, and the spirit of the present application is not departing from the design concept of the present invention, and the disclosure is not repeated herein, and all the purpose should be within the protection scope of the present application.
In some embodiments, as shown in fig. 1 and 2, the second electrode layer 420 is located on a side of the second insulating medium layer 410 facing away from the light emitting source 200, the second functional board 400 further has a second photocatalytic layer 430, the second photocatalytic layer 430 is located on a side of the second insulating medium layer 410 facing the light emitting source 200, the thickness of the second insulating medium layer 410 is set to be not more than 3mm, and the light emitting source 200 is further configured to emit light toward the second photocatalytic layer 430.
The second functional board 400 is an integral structure, and the thickness of the second insulating dielectric layer 410 is set to be not greater than 3mm, so that an electric field formed by the second photocatalytic layer 430 and the second electrode layer 420 and an internal electric field in the first insulating dielectric layer 110 are more stable and have higher strength, the inhibition effect on free electron and hole recombination on the second photocatalytic layer 430 is better, and the inhibition effect plays a main role in the process of inhibiting free electron and hole recombination on the second photocatalytic layer 430. The larger the pressure difference between the first electrode layer 120 and the second electrode layer 420, the higher the electric field strength between the first electrode layer 120 and the second electrode layer 420, and the better the effect of suppressing free electron and hole recombination on the first photocatalytic layer 130 and the second photocatalytic layer 430.
The first electrode layer 120 may be configured to be connected to positive voltage, and the second electrode layer 420 may be configured to be grounded (or connected to negative voltage); alternatively, the first electrode layer 120 may be grounded (or connected to negative voltage), and the second electrode layer 420 may be connected to positive voltage; the foregoing may all achieve the purpose of the present application, and the spirit of the present application is not departing from the design concept of the present invention, and the disclosure is not repeated herein, and all the purpose should be within the protection scope of the present application.
The light emitted by the light emitting source 200 irradiates the first photocatalytic layer 130, and excites the first photocatalytic layer 130, so that free electron-hole pairs of the first photocatalytic layer 130 are separated; in the structure, the first electrode layer 120 and the second electrode layer 420 form an electric field with higher intensity, a higher-intensity and stable electric field is formed between the first photocatalytic layer 130 and the first electrode layer 120, the two high-intensity electric fields act together to inhibit free electron-hole recombination on the first photocatalytic layer 130, and the higher-intensity and stable electric field formed between the first photocatalytic layer 130 and the first electrode layer 120 plays a main role in inhibiting free electron-hole recombination on the first photocatalytic layer 130; similarly, the light emitted by the light emitting source 200 irradiates the second photo-catalytic layer 430 to excite the second photo-catalytic layer 430, so that the free electron-hole pairs of the second photo-catalytic layer 430 are separated, the first electrode layer 120 and the second electrode layer 420 form an electric field with higher intensity, a stable electric field with higher intensity is formed between the second photo-catalytic layer 430 and the second electrode layer 420, an internal electric field with higher intensity is also formed in the first insulating medium layer 110, the two high-intensity electric fields cooperate to inhibit free electron-hole recombination on the second photo-catalytic layer 430, and an electric field with higher intensity and stability is formed between the second photo-catalytic layer 430 and the second electrode layer 420 to play a main role in inhibiting free electron-hole recombination on the second photo-catalytic layer 430.
The thickness of the second insulating dielectric layer 410 may be set to 0.1mm; alternatively, the thickness of the second insulating dielectric layer 410 may be set to 0.5mm; alternatively, the thickness of the second insulating dielectric layer 410 may be set to 1mm; the thickness of the second insulating dielectric layer 410 is set to 1.5mm; alternatively, the thickness of the second insulating dielectric layer 410 may be set to 2mm; alternatively, the thickness of the second insulating dielectric layer 410 may be set to 2.5mm; alternatively, the thickness of the second insulating dielectric layer 410 may be set to 3mm or the like; the components of the second photocatalytic layer comprise any one or more of cerium oxide, titanium oxide, zinc oxide, tin oxide, gallium oxide, bismuth phosphate, silver phosphate, bismuth oxybromide, bismuth oxychloride and the like; the foregoing may all achieve the purpose of the present application, and the spirit of the present application is not departing from the design concept of the present invention, and the disclosure is not repeated herein, and all the purpose should be within the protection scope of the present application.
In some examples, as shown in fig. 1, the air purification assembly further comprises: the power supply 500 is electrically connected to the first electrode layer 120, the light emitting source 200, and the second electrode layer 420, and is used for supplying power to the first electrode layer 120, the light emitting source 200, and the second electrode layer 420.
Fig. 6 is a comparative view of contaminant purification of the air cleaning assembly of fig. 1 with the first electrode layer and the second electrode layer in an energized state a and a non-energized state B.
In some exemplary embodiments, the light emitting source 200 is configured as an ultraviolet light source, and the component of the first photocatalytic layer includes any one or more of cerium oxide, titanium oxide, zinc oxide, tin oxide, gallium oxide, bismuth phosphate, silver phosphate, bismuth oxybromide, bismuth oxychloride, etc., and may be reasonably selected by a person skilled in the art as needed, which is not limited herein but is within the scope of protection of the present application.
The air purification component provided herein, the cavity and the strong oxidizing substances generated by the reaction of the electron and the cavity with water or oxygen can directly or indirectly react with pollutants to degrade the pollutants; in addition, the formed electric field can promote the adsorption and enrichment of the polar organic pollutants on the first functional plate 100 and the second functional plate 400, so that the reaction of holes and generated strong oxidizing substances with the pollutants is facilitated, and the degradation efficiency of the pollutants is higher.
The air purifier (not shown in the figure) provided by the invention comprises a main body provided with an air duct and the air purifying component in any embodiment, wherein the air purifying component is arranged in the air duct.
The air purifier has all the advantages of the air purifying assembly according to any one of the above embodiments, and will not be described herein.
The air conditioner (not shown in the figure) provided by the invention comprises a main body provided with an air duct and the air purifying component in any embodiment, wherein the air purifying component is arranged in the air duct.
The air conditioner has all the advantages of the air purifying assembly provided in any of the above embodiments, and will not be described herein.
In summary, in the technical scheme of the invention, the light emitted by the light emitting source irradiates the first photocatalytic layer to excite the first photocatalytic layer, so that the free electron-hole pairs of the first photocatalytic layer are separated; the electric field formed by the first electrode layer and the electrode structure, the electric field formed by the first photocatalytic layer and the first electrode layer, the electric field formed by the first photocatalytic layer and the electrode structure, the combined action strength of a plurality of electric fields is higher, the effect of inhibiting free electron-hole recombination is better, and the photocatalytic efficiency is higher; the first functional plate is of an integrated structure, the thickness of the first insulating medium layer is not more than 3mm, and therefore an electric field formed by the first photocatalytic layer and the first electrode layer is more stable and higher in strength.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms "upper", "lower", "one side", "the other side", "one end", "the other end", "the side", "the opposite", "four corners", "the periphery", "the" mouth "character structure", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the structures referred to have a specific direction, are configured and operated in a specific direction, and thus are not to be construed as limiting the present invention.
In the description of embodiments of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," "assembled" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, and may also be in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Although the embodiments of the present invention are described above, the embodiments are only used for facilitating understanding of the present invention, and are not intended to limit the present invention. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is defined by the appended claims.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. An air cleaning assembly, comprising:
the first functional board is provided with a first insulating medium layer, a first electrode layer arranged on one side surface of the first insulating medium layer and a first photocatalysis layer arranged on the other side surface of the first insulating medium layer, and the thickness of the first insulating medium layer is not more than 3mm;
a light emitting source located at one side of the first functional plate and configured to emit light toward the first photocatalytic layer; and
the electrode structure is positioned on one side of the first photocatalytic layer, which is opposite to the first insulating medium layer, and is insulated from the first photocatalytic layer.
2. The air purification assembly of claim 1, wherein the electrode structure is located between the light source and the first functional plate.
3. The air purification assembly of claim 2, wherein the electrode structure comprises a plurality of conductive posts spaced apart on the first photocatalytic layer, each of the conductive posts comprising a conductive cell and an insulating layer surrounding the conductive cell, and the electrode structure and the first electrode layer are configured to be loaded with different voltages.
4. The air purification assembly of claim 1, wherein the light source is located between the electrode structure and the first functional plate.
5. The air purification assembly of claim 1, further comprising:
the second functional board is positioned on one side of the luminous source, which is opposite to the first functional board, and is provided with a second insulating medium layer and a second electrode layer arranged on the side surface of the second insulating medium layer, and the electrode structure is the second electrode layer.
6. The air purification assembly of claim 5, wherein the second electrode layer is located on a side of the second insulating medium layer facing the light emitting source or on a side of the second insulating medium layer facing away from the light emitting source.
7. The air purification assembly of claim 5, wherein the second electrode layer is located on a side of the second insulating medium layer facing away from the light emitting source, the second functional plate further has a second photocatalytic layer located on a side of the second insulating medium layer facing the light emitting source, the second insulating medium layer has a thickness of no more than 3mm, and the light emitting source is further configured to emit light toward the second photocatalytic layer.
8. The air purification assembly of any one of claims 1 to 7, further comprising:
a power supply electrically connected to the first electrode layer, the light emitting source and the electrode structure;
the light-emitting source is an ultraviolet light source, and the components of the first photocatalytic layer comprise one or more of cerium oxide, titanium oxide, zinc oxide, tin oxide, gallium oxide, bismuth phosphate, silver phosphate, bismuth oxybromide and bismuth oxychloride.
9. An air cleaner comprising a main body provided with an air duct and an air cleaning assembly according to any one of claims 1 to 8, the air cleaning assembly being provided within the air duct.
10. An air conditioner comprising a main body provided with an air duct and the air cleaning assembly according to any one of claims 1 to 8, the air cleaning assembly being provided within the air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211065783.2A CN117663336A (en) | 2022-08-31 | 2022-08-31 | Air purification assembly, air purifier and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211065783.2A CN117663336A (en) | 2022-08-31 | 2022-08-31 | Air purification assembly, air purifier and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117663336A true CN117663336A (en) | 2024-03-08 |
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ID=90072127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211065783.2A Pending CN117663336A (en) | 2022-08-31 | 2022-08-31 | Air purification assembly, air purifier and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117663336A (en) |
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2022
- 2022-08-31 CN CN202211065783.2A patent/CN117663336A/en active Pending
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