CN111520833A - Air sterilizer - Google Patents

Abstract

The invention relates to an air sterilizer, belonging to the technical field of air purifiers; it includes the organism, the organism is by the interarea board, the left side board, the right side board, bottom plate and back lid enclose and form, the below of interarea board is equipped with the air inlet baffle, the top of organism is equipped with the air-out baffle, the rear end of air inlet baffle is by outer to interior particulate matter filter screen of setting gradually according to the preface, active carbon filter screen and high-efficient airstrainer, from the top down is provided with the solid alkali filter screen in the organism according to the preface, second photocatalyst board and first photocatalyst board, be equipped with first ultraviolet tube between solid alkali filter screen and the second photocatalyst board, be equipped with second ultraviolet tube between second photocatalyst board and the first photocatalyst board.

Description

an air purifier

technical field

The invention relates to an air sterilizer, which belongs to the technical field of air purifiers.

Background technique

With the continuous development of human economic activities, air pollution, water pollution, virus interference and diffusion, indoor pollution and other environmental pollution problems have expanded globally, becoming a serious problem that threatens human survival. The epidemic of the new virus has brought a lot of personal injury and economic loss.

Photocatalyst is a safe and clean environmental purification material, which can effectively degrade formaldehyde, benzene and other pollutants, and has high-efficiency and wide-ranging disinfection performance, and can decompose and harmlessly treat toxins released by bacteria or fungi. The existing patent application for invention with publication number CN104180443 A discloses a photocatalyst purifier, which includes a body, the body has a frame, the back of the frame is provided with a back plate, the front of the frame is a front panel, and a light source is installed on the back plate. Including two UV lamps set up and down. The ultraviolet lamp tube is clamped on the reflector through the lamp tube bracket, and the reflector is set on the back plate. The left and right sides of each reflector are provided with negative contact clips. The ultraviolet lamp tube has a lamp tube body, and the lamp tube The two ends of the body are provided with exposed electrodes, and the electrodes of the ultraviolet lamp are clamped into the negative contact clips. The front of the air guide frame is installed with a titanium dioxide filter, an activated carbon filter, and a particulate filter from the inside to the outside. The titanium dioxide filter adopts an aluminum honeycomb filter, and the aluminum honeycomb is coated with titanium dioxide. However, its titanium dioxide filter has only one layer, so its contact area with air is small, and the content of photoactive active groups generated by photocatalytic reaction is not high, so there is room for improvement.

SUMMARY OF THE INVENTION

The invention is an air sterilizer, which overcomes the deficiencies in the prior art and provides an air sterilizer with good sterilization and disinfection effect in the air and remarkable purification effect.

In order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is as follows: an air sterilizer, including a body, the body is surrounded by a main panel, a left panel, a right panel, a bottom plate and a back cover, and an air inlet is arranged below the main panel The baffle, the top of the body is provided with an air outlet baffle, and the rear end of the air inlet baffle is provided with a particulate filter, an activated carbon filter and a high-efficiency air filter in sequence from the outside to the inside. The solid alkali filter screen, the second photocatalyst plate and the first photocatalyst plate, a first ultraviolet lamp tube is arranged between the solid alkali filter screen and the second photocatalyst plate, and between the second photocatalyst plate and the first photocatalyst plate A second UV lamp is provided.

Preferably, the rear end of the solid alkali filter and the rear end of the second photocatalyst plate form a first angle together, and the front end of the second photocatalyst plate and the front end of the first photocatalyst plate The front ends are joined together at a second included angle.

Preferably, a cross-flow wind wheel is arranged below the air outlet baffle, and a wind shield is arranged below the cross-flow wind wheel.

Preferably, the two sides of the body are provided with support frames, the inner wall of the support frame is provided with slots, the sides of the first photocatalyst plate, the second photocatalyst plate and the solid alkali filter screen fixed in the slot.

Preferably, the front end of the air outlet baffle is inclined downward, and the first intersection angle and the second included angle are both 45 degrees.

Preferably, the rear end of the air outlet baffle is provided with an air outlet fixing baffle, and the rear cover is connected to the rear end of the air outlet fixing baffle.

Preferably, the wavelength of the ultraviolet rays emitted by the first ultraviolet lamp is 185 nm or 254 nm, and the wavelength of the ultraviolet rays emitted by the second ultraviolet lamp is 185 nm or 254 nm.

Preferably, both the first photocatalyst plate and the second photocatalyst plate use an aluminum-based filter screen, the aluminum-based filter screen is filled with fillers, and both sides of the aluminum-based filter screen are sprayed with titanium dioxide.

Preferably, the particulate filter is made of nylon threads woven into a 60-mesh filter, and the maximum diameter of the filter mesh is 0.25 mm.

Preferably, the high-efficiency air filter includes an outer frame and a HEPA filter embedded in the outer frame.

Compared with the prior art, the present invention has the following beneficial effects.

1. The present invention adopts a cross-flow wind wheel and a wind shield, and the wind speed is evenly distributed, generating a stable airflow, which can speed up the circulation and replacement speed of indoor air.

2. The present invention uses an ultraviolet lamp with a wavelength of 254 nm to irradiate the photocatalyst plate, which can sterilize the air, and in particular, can kill the novel coronavirus in the air.

3. The solid alkali filter plate used in the present invention produces trace chlorine dioxide in the oxidation-reduction process, which can not only kill pathogenic microorganisms in the air, but also play a role in the disinfection of indoor surfaces.

4. In the present invention, the air is inhaled from the air inlet baffle and blown out from the air outlet baffle, passing through 6 layers of filter layers in total, which further improves the air purification effect.

Description of drawings

FIG. 1 is a schematic appearance diagram of an embodiment provided by the present invention.

FIG. 2 is a top view of an embodiment provided by the present invention.

FIG. 3 is a rear view of an embodiment provided by the present invention.

FIG. 4 is a schematic diagram of the internal structure after removing the main panel and the right panel according to the embodiment of the present invention.

FIG. 5 is a schematic diagram of the internal structure of an embodiment of the present invention with the rear cover removed.

In the figure, 1-main panel, 2-left panel, 3-right panel, 4-air inlet baffle, 5-air outlet baffle, 6-touch screen, 7-power interface, 8-air outlet fixed baffle , 9-bottom plate, 10-support frame, 11-fixed sheet, 12-particulate filter, 13-activated carbon filter, 14-high-efficiency air filter, 15-first photocatalyst plate, 16-second photocatalyst plate, 17-solid alkali filter, 18-wind shield, 19-cross-flow fan, 20-motor, 21-first UV lamp, 22-second UV lamp, 23-slot, 24-back cover.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

Example 1

As shown in Figures 1-5, an air killer of the present invention includes a body, and the body is formed by a main panel 1, a left panel 2, a right panel 3, a bottom plate 9 and a rear cover 24. The lower part of the main panel 1 is provided with There is an air inlet baffle 4, the top of the body is provided with an air outlet baffle 5, and the rear end of the air inlet baffle 4 is sequentially provided with a particulate filter 12, an activated carbon filter 13 and a high-efficiency air filter 14 from the outside to the inside. The solid alkali filter screen 17, the second photocatalyst plate 16 and the first photocatalyst plate 15 are arranged in sequence from top to bottom, and a first ultraviolet lamp tube is arranged between the solid alkali filter screen 17 and the second photocatalyst plate 16 21. A second ultraviolet lamp 22 is provided between the second photocatalyst plate 16 and the first photocatalyst plate 15. A touch screen 6 is embedded above the right panel 3 , and a power interface 7 is provided on the side of the right panel 3 .

The rear end of the solid alkali filter screen 17 and the rear end of the second photocatalyst plate 16 are put together to form a first included angle, and the front end of the second photocatalyst plate 16 and the front end of the first photocatalyst plate 15 are put together for a second clip. horn. The front ends of the first photocatalyst plate 15 , the second photocatalyst plate 16 and the solid alkali filter 17 are closed with the main panel 1 , and the front ends and the rear of the first photocatalyst plate 15 , the second photocatalyst plate 16 and the solid alkali filter 17 are closed. The lid 24 is closed. Preferably, the first intersection angle and the second included angle are both 45 degrees, which can increase the irradiated surface area. Both the main panel 1 and the rear cover 24 are made of metal plates to prevent oxidation by ultraviolet rays.

The air inlet baffle 4 and the air outlet baffle 5 use louver type. Both ends of the particulate filter screen 12 , the activated carbon filter screen 13 and the high-efficiency air filter screen 14 are fixed by fixing sheets 11 , and the fixing sheets 11 can be Z-shaped pressing sheets. A cross-flow fan wheel 19 is provided below the air outlet baffle 5 , and a wind shield 18 is provided below the cross-flow fan wheel 18 . The function of the wind deflector 18 is to guide the airflow, so that the airflow flows out in the direction of the wind outlet baffle 5 . The cross-flow fan 19 is driven by the motor 20 .

The two sides of the body are provided with support frames 10, the inner wall of the support frame 10 is provided with slots 23, and the sides of the first photocatalyst plate 15, the second photocatalyst plate 16 and the solid alkali filter 17 are fixed in the card slot 23. Inside.

The front end of the air outlet baffle 5 is inclined downward, so that the airflow is blown upward and forward. The rear end of the air outlet baffle 5 is provided with an air outlet fixing baffle 8 , and the rear cover 24 is connected to the rear end of the air outlet fixing baffle 8 .

The solid alkali filter screen 17 includes an outer frame with a plurality of grids in the outer frame, the grids contain solid alkali particles, and the gauze covers both sides of the grid. The solid alkali particles can be prepared using ceramic particles, which are dipped in a chlorine dioxide solution and then dried. Both the first photocatalyst plate 15 and the second photocatalyst plate 16 use an aluminum-based filter screen, the aluminum-based filter screen is filled with fillers, and both sides of the aluminum-based filter screen are sprayed with titanium dioxide. The particulate filter screen 12 is woven into a 60-mesh filter screen by nylon threads, and the maximum diameter of the filter screen mesh is 0.25mm. The high-efficiency air filter 14 includes an outer frame and a HEPA filter embedded in the outer frame.

In this embodiment, the wavelength of the ultraviolet rays emitted by the first ultraviolet lamp 21 is 185 nm, and the wavelength of the ultraviolet rays emitted by the second ultraviolet lamp 22 is 185 nm. 185nm ultraviolet rays irradiate the air to generate ozone, which can chemically decompose with harmful substances such as formaldehyde in the air, and decompose into oxygen, water and carbon dioxide. At the same time, after the two photocatalyst plates 15 and 16 are irradiated with ultraviolet rays, water or oxygen in the air is catalyzed into oxidizing hydroxyl radicals ( OH), superoxide anion radicals (O ₂ ), reactive oxygen species (HO ₂ ) ·, H ₂ O ₂ ) and other photoactive active groups with oxidizing ability, the energy of these photoactive active groups is equivalent to the high temperature of 3600K, and has strong oxidizing property. After the solid alkali filter 17 is irradiated by ultraviolet rays, active particles such as OH, ClO2, HO2, and O are generated, which induce a chain reaction, quickly kill viruses, bacteria, molds and degrade chemical pollutants, and finally become carbon dioxide, water and trace mineral salts. At the same time, it releases a small amount of chlorine dioxide into the indoor air, which can not only kill pathogenic microorganisms in the air, but also disinfect the surface of indoor objects.

Embodiment 2

The parts that are the same as or corresponding to those in the first embodiment are given the corresponding reference numerals as those in the first embodiment. For simplicity, only the differences between the second embodiment and the first embodiment are described.

The wavelength of the ultraviolet rays emitted by the first ultraviolet lamp 21 is 254 nm, and the wavelength of the ultraviolet rays emitted by the second ultraviolet lamp 22 is 254 nm. Ultraviolet rays with a wavelength of 254nm can kill bacteria by irradiating the DNA of microorganisms, it is not easy to produce ozone, the spectrum is efficient, and there is no secondary pollution.

Embodiment 3

In this embodiment, the wavelength of the ultraviolet rays emitted by the first ultraviolet lamp 21 is 254 nm, and the wavelength of the ultraviolet rays emitted by the second ultraviolet lamp 22 is 185 nm. This embodiment combines the features of the first embodiment and the second embodiment, and the dispersibility of ozone can make up for the disadvantage that the ultraviolet rays can only travel along a straight line, and the disinfection has dead corners.

Although the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that form and detail may be made therein without departing from the spirit and scope of the invention as defined in the claims various changes on.

Claims (10)

1. The utility model provides an air sterilizer, includes the organism, and the organism is enclosed by main panel (1), left panel (2), right panel (3), bottom plate (9) and back lid (24) and forms its characterized in that: the below of main panel (1) is equipped with air inlet baffle (4), the top of organism is equipped with air-out baffle (5), the rear end of air inlet baffle (4) is by outer to interior particulate matter filter screen (12) of setting gradually, active carbon filter screen (13) and high-efficient air filter screen (14), from the top down is provided with solid alkali filter screen (17) according to the preface in the organism, second photocatalyst board (16) and first photocatalyst board (15), be equipped with first ultraviolet tube (21) between solid alkali filter screen (17) and second photocatalyst board (16), be equipped with second ultraviolet tube (22) between second photocatalyst board (16) and first photocatalyst board (15).

2. An air sterilizer as claimed in claim 1, wherein: the rear end of the solid alkali filter screen (17) and the rear end of the second photocatalyst plate (16) are combined together to form a first included angle, and the front end of the second photocatalyst plate (16) and the front end of the first photocatalyst plate (15) are combined together to form a second included angle.

3. An air sterilizer as claimed in claim 1 or 2, wherein: and a cross-flow wind wheel (19) is arranged below the air outlet baffle (5), and a wind shield sheet (18) is arranged below the cross-flow wind wheel (18).

4. An air sterilizer as claimed in claim 1, wherein: two sides in the machine body are provided with support frames (10), the inner wall of each support frame (10) is provided with a slot (23), and the first photocatalyst plate (15), the second photocatalyst plate (16) and the side edges of the solid alkali filter screen (17) are fixed in the slots (23).

5. An air sterilizer as claimed in claim 3, wherein: the front end of the air outlet baffle (5) inclines downwards, and the first intersection angle and the second included angle are both 45 degrees.

6. An air sterilizer as claimed in claim 5, wherein: the rear end of the air outlet baffle (5) is provided with an air outlet fixed baffle (8), and the rear cover (24) is connected with the rear end of the air outlet fixed baffle (8).

7. An air sterilizer as claimed in claim 1, wherein: the wavelength of the ultraviolet rays emitted by the first ultraviolet lamp tube (21) is 185nm or 254nm, and the wavelength of the ultraviolet rays emitted by the second ultraviolet lamp tube (22) is 185nm or 254 nm.

8. An air sterilizer as claimed in claim 1, wherein: the first photocatalyst plate (15) and the second photocatalyst plate (16) both adopt aluminum-based filter screens, fillers are arranged in the aluminum-based filter screens, and both surfaces of the aluminum-based filter screens are sprayed with titanium dioxide.

9. An air sterilizer as claimed in claim 1, wherein: the particulate matter filter screen (12) is a 60-mesh filter screen woven by nylon threads, and the maximum diameter of the mesh of the filter screen is 0.25 mm.

10. An air sterilizer as claimed in claim 1, wherein: the high-efficiency air filter screen (14) comprises an outer frame and a HEPA filter screen embedded in the outer frame.

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