CN216024122U

CN216024122U - Air purification device and air purifier

Info

Publication number: CN216024122U
Application number: CN202121254916.1U
Authority: CN
Inventors: 黄劢韦
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-03-15
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses an air purification device and an air purifier, wherein the air purification device comprises an air channel, a separation mechanism for separating the air channel into a plurality of air channels is arranged in the air channel, and each air channel is provided with a photocatalyst unit; the ultraviolet light generator is used for catalyzing the photocatalyst unit. The ultraviolet generator can generate ultraviolet light, the ultraviolet light has a sterilization function, the ultraviolet light can catalyze the photocatalyst units in the air channel, a large number of photocatalyst units in the air channel generate more hydroxyl radicals and superoxide anion radicals, the ultraviolet light has a good fan effect on harmful gases such as formaldehyde, and the ultraviolet light generator is matched with the ultraviolet generator to enhance a bacteria killing function.

Description

Air purification device and air purifier

Technical Field

The utility model belongs to the technical field of air purification equipment, and particularly relates to an air purification device and an air purifier.

Background

With the improvement of living standard of people, the requirements of people on indoor environment and air are higher and higher. The air-conditioning rooms and automobiles are closed, peculiar smell is easily generated, bacteria are bred, indoor air is polluted, and the life quality of people is reduced, so that a large number of air purification devices are available in the market. The air purification device at present adopts the gas in the active carbon adsorption air to reach the purpose of air-purifying, but secondary pollution appears in the active carbon easy absorption saturation. The air purifier also adopts a photocatalyst technology to purify air, the photocatalyst is a substance which does not change under the irradiation of light and can promote chemical reaction, and the photocatalyst utilizes the energy required by the chemical reaction converted from the light energy existing in nature to generate the catalytic action, so that the surrounding oxygen and water molecules are excited into hydroxyl radicals and superoxide anion radicals with strong oxidizing power. Almost all organic substances and partial inorganic substances harmful to human bodies and environment can be decomposed, not only can the reaction be accelerated, but also the law of the nature can be applied, and the resource waste and the additional pollution are not caused. Therefore, the photocatalyst has the functions of sterilization, deodorization, air purification, hydrophilicity, antifouling, ultraviolet absorption and the like, and has the advantages of safety, high efficiency, thoroughness and durability.

The existing air purification device adopting the photocatalyst technology places an ultraviolet generator into a large air duct, uses one or a plurality of ultraviolet lamp tubes to make up for the defect of ultraviolet light intensity attenuation, but the photocatalyst is only arranged on the inner wall of the large air duct, and the quantity of the photocatalyst is small, so that the air purification device is difficult to have the functions of removing formaldehyde deodorization and other harmful gases except sterilization, and is difficult to effectively purify air. The prior art air purification device is mainly limited by the amount of the photocatalyst and the catalytic effect, so that the number of hydroxyl radicals and superoxide anion radicals in the air purification device is small, and the air purification effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air purification device and an air purifier, and aims to solve the problem that the air purification effect is poor in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: an air purification device comprises an air channel, wherein a separation mechanism for separating the air channel into a plurality of air channels is arranged in the air channel, and each air channel is provided with a photocatalyst unit; the photocatalyst unit also comprises an ultraviolet generator, wherein the ultraviolet generator is used for catalyzing the photocatalyst unit. The ultraviolet generator can catalyze the photocatalyst units in the air channel, a large number of photocatalyst units in the air channel generate more hydroxyl radicals and superoxide anion radicals, the photocatalyst units have better fan action on harmful gases such as formaldehyde, and the ultraviolet generator are matched with each other to enhance the function of killing bacteria.

As an alternative of the present invention, the ultraviolet generator includes an ultraviolet lamp, and the ultraviolet lamp is disposed in each air duct. The ultraviolet lamp and the photocatalyst unit are arranged in each air channel, the distance between the ultraviolet lamp and the inner wall of each air channel is small, the sterilization effect of the ultraviolet lamp on air can be enhanced, the catalysis effect of the ultraviolet lamp on the photocatalyst unit is strong, and the photocatalyst unit can generate a large amount of hydroxyl radicals and superoxide anion radicals to realize the functions of sterilizing air and removing harmful gases such as formaldehyde. According to the utility model, the distance between the inner wall of the air duct and the ultraviolet lamp and the distance between the photocatalyst unit and the ultraviolet lamp are shortened through the air duct, so that the light intensity is increased, the square increase of hydroxyl radicals and superoxide anion radicals is realized, and the purification device has a better air purification effect.

As an alternative of the utility model, the separating mechanism comprises a plurality of transverse separating bodies and a plurality of longitudinal separating bodies, the transverse separating bodies and the longitudinal separating bodies are arranged in the air channel in a staggered mode, and the air channel is divided into a plurality of air channels.

As an alternative of the present invention, the photocatalyst unit includes a photocatalyst layer, and the surfaces of the transverse separator and the longitudinal separator are each provided with the photocatalyst layer.

As an alternative of the present invention, the transverse separation body includes a bent transverse separation sheet, the longitudinal separation body includes a bent longitudinal separation sheet, and the transverse separation sheet and the longitudinal separation sheet are alternately disposed in the air passage. Because the horizontal separating sheet and the longitudinal separating sheet are both arranged in a bent shape, the surface area of the photocatalyst layer on the surface of the horizontal separating sheet and the longitudinal separating sheet is larger, the quantity of the photocatalysts is larger, and the air purification effect can be greatly improved.

As an alternative of the utility model, the ultraviolet lamp is a microwave ultraviolet lamp, the transverse separating sheet and the longitudinal separating sheet are both quartz plate sheets, and the microwave ultraviolet lamp is used in cooperation with the quartz plate sheets.

As an alternative of the present invention, the ultraviolet lamp is an ultraviolet high-pressure mercury lamp, the horizontal and vertical separators are both metal sheets, and the ultraviolet high-pressure mercury lamp is used in cooperation with a metal sheet such as an aluminum alloy sheet.

As an alternative of the present invention, the partition mechanism includes two horizontal partition plates and two longitudinal partition plates, both ends of the horizontal partition plate are connected to the inner wall of the air channel, the longitudinal partition plates and the horizontal partition plates are arranged in a staggered manner, and both ends of the longitudinal partition plate are connected to the inner wall of the air channel.

As an alternative of the utility model, the photocatalyst layer is a nano titanium dioxide coating. The nano titanium dioxide can generate free radicals with high catalytic activity under the action of ultraviolet rays, has strong photooxidation and reduction capacity, can catalyze and photolyze various harmful gases such as formaldehyde and the like attached to the surface of an object, directly attacks cells of bacteria when meeting the bacteria, and degrades organic matters in the cells of the bacteria so as to kill the bacteria and decompose the bacteria.

As an alternative of the utility model, the inner wall of the air channel is provided with a nano titanium dioxide coating.

Another object of the present invention is to provide an air purifier, which comprises a housing, wherein a blower and the above air purifying device are arranged in the housing.

The utility model has the beneficial effects that:

the utility model provides an air purification device and an air purifier, wherein a separation mechanism for separating an air channel into a plurality of air channels is arranged in the air channel, each air channel is provided with a photocatalyst unit, and an ultraviolet generator is used for catalyzing the photocatalyst units. The ultraviolet generator can generate ultraviolet light, the ultraviolet light has a sterilization function, the ultraviolet light can catalyze the photocatalyst units in the air channel, a large number of photocatalyst units in the air channel generate more hydroxyl radicals and superoxide anion radicals, the ultraviolet light has a good fan effect on harmful gases such as formaldehyde, and the ultraviolet light generator is matched with the ultraviolet generator to enhance a bacteria killing function.

Drawings

FIG. 1 is a schematic perspective view of an air purification apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of a partition mechanism according to an embodiment of the present invention;

FIG. 3 is another schematic view of the spacing mechanism in an embodiment of the present invention;

FIG. 4 is a schematic perspective view of an air purifier according to an embodiment of the present invention;

in the figure: 1-an air channel; 2-an air duct; 3-an ultraviolet lamp; 4-a transverse separator; 5-longitudinal separator; 6-transverse separating sheet; 7-longitudinal separation sheets; 8-shell.

Detailed Description

Examples

As shown in fig. 1 to 3, the present embodiment provides an air purification apparatus, which includes an air passage 1, a partition mechanism for dividing the air passage 1 into a plurality of air channels 2 is disposed in the air passage 1, and each air channel 2 is provided with a photocatalyst unit. The air purification device also comprises an ultraviolet generator, wherein the ultraviolet generator is used for catalyzing the photocatalyst unit. Air channel 1's size is great, obtains a plurality of wind channels 2 after cutting apart through partition mechanism, because every wind channel 2 all is equipped with the photocatalyst unit for whole air channel 1's photocatalyst is more, under ultraviolet generator's catalytic action, can improve air purification effect greatly. This air purification device can use in air purifier or air conditioning equipment, also can set fan and shell 8 and use as air purifier, and when this air purification device used as air purifier, whole air purification device set up in shell 8, and the both ends of air passage 1 are the inlet end respectively and give vent to anger the end, set up the fan at the inlet end or give vent to anger the end, behind this air purification device's purification treatment, can obtain clean air, improve indoor air quality.

The existing air purification device puts an ultraviolet generator into a big air duct 2, uses one or a plurality of ultraviolet lamp 3 tubes to make up the defect of ultraviolet light intensity attenuation, but it only sets up photocatalyst at the inner wall of big air duct 2, and the quantity of photocatalyst is few, therefore is difficult to possess except that disinfecting formaldehyde deodorization and other harmful gas's the function of getting rid of, is difficult to carry out effectual purification to the air. The ultraviolet generator can generate ultraviolet light, the ultraviolet light has a sterilization function, the ultraviolet light can catalyze the photocatalyst units in the air channel 2, a large number of photocatalyst units in the air channel 1 generate more hydroxyl radicals and superoxide anion radicals, the photocatalyst units have a good fan effect on harmful gases such as formaldehyde, and the photocatalyst units are matched with the ultraviolet generator to enhance a bacteria killing function.

In some embodiments, the ultraviolet generator includes an ultraviolet lamp 3, and the ultraviolet lamp 3 is disposed in each air duct 2, the ultraviolet lamp 3 of each air duct 2 can catalyze the photocatalyst unit of the air duct 2, the ultraviolet lamp 3 is in close contact with the photocatalyst unit, so that the photocatalyst unit can generate more hydroxyl radicals and superoxide anion radicals, and the removal effect on harmful gases such as bacteria and formaldehyde is enhanced. The utility model has a plurality of air channels 2, an ultraviolet lamp 3 and a photocatalyst unit are arranged in each air channel 2, the distance between the ultraviolet lamp 3 and the inner wall of the air channel 2 is smaller, the sterilization effect of the ultraviolet lamp 3 on air can be enhanced, the catalysis effect of the ultraviolet lamp 3 on the photocatalyst unit is stronger, and the photocatalyst unit can generate a large amount of hydroxyl radicals and superoxide anion radicals, thereby realizing the functions of sterilizing air and removing harmful gases such as formaldehyde and the like. According to the utility model, the distance between the inner wall of the air duct 2 and the ultraviolet lamp 3 and the distance between the photocatalyst unit and the ultraviolet lamp 3 are shortened through the air duct 2, so that the light intensity is increased, the square increase of hydroxyl radicals and superoxide anion radicals is realized, and the purification device has a better air purification effect.

As shown in fig. 2, in some embodiments, the partition mechanism includes a plurality of transverse partitions 4 and a plurality of longitudinal partitions 5, and the transverse partitions 4 and the longitudinal partitions 5 are alternately disposed in the air passage 1 and partition the air passage 1 into a plurality of air ducts 2. The wind channel 2 can be set to be circular, rectangular or polygonal, the transverse separating bodies 4 and the longitudinal separating bodies 5 can be flat plates, the transverse separating bodies 4 are parallel to each other, the longitudinal separating bodies 5 are parallel to each other, the transverse separating bodies 4 and the longitudinal separating bodies 5 are perpendicular to each other, so that the air channel 1 is divided into the wind channels 2, and each wind channel 2 can purify the air inside the wind channels.

In some embodiments, the photocatalyst unit includes a photocatalyst layer, and the surfaces of the transverse separator 4 and the longitudinal separator 5 are each provided with the photocatalyst layer. The photocatalyst unit can also adopt a photocatalyst filter screen or a photocatalyst plate, and the photocatalyst layer is arranged on the surfaces of the transverse separating body 4 and the longitudinal separating body 5, so that the air flow resistance can be effectively reduced, and the air purification effect is improved.

As shown in fig. 3, in some embodiments, the transverse separation body 4 includes a bent transverse separation sheet 6, the longitudinal separation body 5 includes a bent longitudinal separation sheet 7, and the transverse separation sheet 6 and the longitudinal separation sheet 7 are alternately disposed in the air passage 1. Preferably, the transverse separator 6 and the longitudinal separator 7 are both aluminum alloy sheets. The horizontal separating sheet 6 and the longitudinal separating sheet 7 are both arranged in a bent shape, for example, the shape is S-shaped or W-shaped, the surface area of the photocatalyst layer on the surface of the horizontal separating sheet is larger, more hydroxyl radicals and superoxide anion radicals can be generated, and the air purification effect can be greatly improved.

In some embodiments, the cross section of the air channel 1 is rectangular, the separation mechanism includes two transverse separation sheets 6 and two longitudinal separation sheets 7, two ends of each transverse separation sheet 6 are connected to the inner wall of the air channel 1, the longitudinal separation sheets 7 are staggered with the transverse separation sheets 6, and two ends of each longitudinal separation sheet 7 are connected to the inner wall of the air channel 1.

In some embodiments, the uv lamp 3 is a microwave uv lamp, and the transverse separator 6 and the longitudinal separator 7 are both quartz plates, and the microwave uv lamp is used in cooperation with the quartz plates. It is of course also possible to arrange the uv lamps 3 as uv high-pressure mercury lamps, said transverse and

longitudinal spacers

6, 7 being both metal sheets, the uv high-pressure mercury lamps being used in combination with metal sheets, such as aluminium alloy sheets. The microwave ultraviolet lamp 3 irradiates a sealed quartz tube filled with special gas by using microwaves, so that the gas in the quartz tube is excited into plasma to emit ultraviolet rays. The microwave ultraviolet lamp is started quickly, can quickly achieve full-power luminescence, starts disinfection and catalyzes a photocatalyst, has small volume, reduces the wind resistance in the air duct 2, and has the advantages of high photoelectric conversion efficiency, wide radiation range, high radiation illumination, stable wavelength, long service life and the like.

In some embodiments, the photocatalyst layer is a nano-titania coating. The surfaces of the transverse separating sheet 6 and the longitudinal separating sheet 7 are respectively provided with a nano titanium dioxide coating, the nano titanium dioxide can generate free radicals with high catalytic activity under the action of ultraviolet rays, the free radicals have strong photooxidation and reduction capacity, and can catalyze and photolyze various harmful gases such as formaldehyde and the like attached to the surface of an object. The nano titanium dioxide has the advantages of no decomposition and no dissolution while degrading organic pollutants and killing bacteria, and has lasting photocatalysis effect and lasting effects of sterilizing and degrading pollutants.

In some embodiments, the inner wall of the air channel 1 is provided with a nano titanium dioxide coating. The inner walls of the air channels 2 are provided with nano titanium dioxide coatings, and the nano titanium dioxide coatings on the inner walls of the air channels 1 and the surfaces of the transverse separating sheets 6 and the longitudinal separating sheets 7 can continuously sterilize and decompose harmful gases in the air channels 2 under the catalytic action of the ultraviolet lamp 3.

As shown in fig. 4, the present embodiment further provides an air purifier, the air purifier includes a housing 8, and a blower inside the housing 8 and the air purifying device provided above are provided. Whole air purification device sets up in shell 8, and air passage 1's both ends are the inlet end respectively and give vent to anger the end, set up the fan at the inlet end or give vent to anger the end, are provided with air inlet and gas outlet on shell 8, and shell 8's air inlet and gas outlet communicate with air passage 1's inlet end respectively and the end of giving vent to anger, through this air purifier's purification treatment back, can obtain clean air, improve indoor air quality. The utility model adopts the synthesis technology of the fine air ducts 2, the inside of each fine air duct 2 is coated with the nano titanium dioxide coating, and under the condition of the same air quantity, the total surface area of the nano titanium dioxide coating is increased by dozens to thousands of times compared with the traditional single flow air duct 2. The ultraviolet rays are used for sterilization, the ultraviolet rays are used for exciting the photocatalyst, the photocatalyst generates strong oxidizing groups, the strong oxidizing groups remove harmful gases, the strong oxidizing groups are used for sterilization, and a series of reactions are carried out in a small air duct 2, so that the effects of sterilizing, deodorizing, removing formaldehyde and removing various harmful gases are achieved. The air purifier is placed in a closed space of 34 cubic meters for a sterilization experiment, wherein the air volume of a fan per hour is 1200 cubic meters, and the sterilization rate of 30 minutes can reach 74%.

In the description of the present invention, the terms "mounted," "connected," "fixed," and the like are to be understood broadly and may be fixedly connected, detachably connected, or integrated; may be a mechanical or electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. Those skilled in the art will understand the specific meaning of the above terms in the present invention. Furthermore, the particular features, structures, etc. described in the examples can be included in at least one implementation and can be combined by one skilled in the art without conflicting therewith. The protection scope of the present invention is not limited to the above specific examples, and embodiments that can be imagined by those skilled in the art without creative efforts based on the basic technical concept of the present invention belong to the protection scope of the present invention.

Claims

1. An air purification device comprises an air channel (1), and is characterized in that a separation mechanism for separating the air channel (1) into a plurality of air channels (2) is arranged in the air channel, and each air channel (2) is provided with a photocatalyst unit; the photocatalyst unit also comprises an ultraviolet generator, wherein the ultraviolet generator is used for catalyzing the photocatalyst unit; the ultraviolet generator comprises ultraviolet lamps (3), and each air channel (2) is internally provided with an ultraviolet lamp (3); the separating mechanism comprises a plurality of transverse separating bodies (4) and a plurality of longitudinal separating bodies (5), wherein the transverse separating bodies (4) and the longitudinal separating bodies (5) are arranged in the air channel (1) in a staggered mode and divide the air channel (1) into a plurality of air channels (2).

2. Air cleaning device according to claim 1, characterized in that the photocatalyst unit comprises a photocatalyst layer, the surfaces of the transverse partition (4) and the longitudinal partition (5) being provided with the photocatalyst layer.

3. Air cleaning device according to claim 2, characterized in that the transverse separating body (4) comprises a bent transverse separating sheet (6) and the longitudinal separating body (5) comprises a bent longitudinal separating sheet (7), the transverse separating sheet (6) and the longitudinal separating sheet (7) being arranged alternately in the air passage (1).

4. Air purification device according to claim 3, wherein the UV lamps (3) are microwave UV lamps (3), and the transverse (6) and longitudinal (7) separators are quartz plates.

5. Air cleaning device according to claim 3, characterized in that the UV lamps (3) are UV high-pressure mercury lamps and the transverse (6) and longitudinal (7) separators are both metal sheets.

6. The air purification apparatus according to claim 3, wherein the partition mechanism comprises two transverse partition plates (6) and two longitudinal partition plates (7), and both ends of the transverse partition plates (6) are connected with the inner wall of the air channel (1); the longitudinal separating sheets (7) and the transverse separating sheets (6) are arranged in a staggered mode, and both ends of each longitudinal separating sheet (7) are connected with the inner wall of the air channel (1).

7. The air purification apparatus according to claim 3, wherein the photocatalyst layer is a nano titanium dioxide coating; the inner wall of the air channel (1) is provided with a nano titanium dioxide coating.

8. An air cleaner, characterized in that the air cleaner comprises a housing (8), and a fan and an air cleaning device according to any one of claims 1-7 are arranged in the housing (8).