CN201612874U - A kind of indoor air purifier - Google Patents

Abstract

The utility model provides an indoor air purifier, which belongs to the technical field of machinery. The utility model solves the technical problems that existing indoor air purifiers have poor dust removal effect and cannot remove toxic substances in the air. The indoor air purifier includes a body with an air inlet and an air outlet, and a fan located between the air inlet and the air outlet is arranged in the body, and the air inlet is sequentially provided with an air inlet grille, a pre-set filter screen, medium and high-efficiency composite filter screen and active composite nano-photocatalytic oxidation component, the air outlet is provided with an anion generator and an outlet grill in sequence from the inside to the outside. The indoor air purifier has the advantage of better dust removal effect. In addition, the indoor air purifier also has the function of sterilizing and disinfecting the indoor air.

Description

A kind of indoor air purifier

technical field

The invention belongs to the technical field of machinery, and relates to an air purifier, in particular to a multi-functional indoor air purifier capable of purifying hundreds of air pollutants in three categories, including suspended particles, harmful chemical gases and pathogenic microorganisms.

Background technique

In recent years, with the improvement of people's living standards, air conditioners have become an essential facility for families, offices, hotels, and restaurants. However, what the air conditioner solves is only the indoor temperature problem. At the same time, the negative effects it causes have brought people a non-negligible impact. The air quality caused by the sealed space is poor, and the air conditioner provides a good environment for the breeding of various viruses. In addition, there are a lot of toxic and harmful chemicals such as formaldehyde, benzene, ammonia, and radon in the newly renovated room. These all have a strong impact on people's health, therefore, a kind of multifunctional indoor air purifier is urgently needed to solve the above problems.

After searching, it is found that the Chinese patent (application number: 200780041101.1) discloses an air purifier, which is characterized in that: it has a main body frame, and a centrifugal fan arranged in the center of the main body frame. The rotation shaft extending in the depth direction of the purifier and the fan suction port facing the front of the air purifier, the air sucked into the centrifugal fan from the fan suction port is blown out from the centrifugal fan along the direction perpendicular to the rotation axis of the centrifugal fan; In the direction perpendicular to the rotation axis of the centrifugal fan, the air purification filter is arranged side by side with the centrifugal fan; the air suction port arranged in front of the centrifugal fan communicates with the fan suction port, and through the rotation of the centrifugal fan, the air is sucked in through the air suction port The inner side of the air cleaner; the air outlet corresponding to the air cleaner filter blows out the air purified by the air cleaner filter to the outside of the air cleaner.

The air purifier disclosed in this patent utilizes a filter arranged in the main frame to filter out dust and some suspended small particles in the air, but the air purifier does not have the ability to process various chemical harmful gases such as formaldehyde and kill various The ability of pathogenic microorganisms.

Contents of the invention

The purpose of the present invention is to solve the above problems in the existing technology, and propose an indoor air purifier, which has the functions of effectively adsorbing suspended particles, decomposing and processing various chemical harmful gases such as formaldehyde, and killing various pathogens. function of microorganisms.

The purpose of the present invention can be achieved through the following technical solutions: an indoor air purifier, including a body with an air inlet and an air outlet, and a fan positioned between the air inlet and the air outlet is arranged in the body, and it is characterized in that the The air inlet described above is provided with an air inlet grille, a pre-filter, a medium and high-efficiency composite filter and an active composite nano-photocatalytic oxidation component from the outside to the inside, and the air outlet is provided with an anion generator from the inside to the outside in sequence and outlet grille.

The indoor air purifier is used to purify and disinfect the air, and can be widely used in various environments with air quality problems. The working principle of this indoor air purifier: the high-speed rotating centrifugal fan generates negative pressure in the body, actively sucks the indoor dirty air into the machine through the air inlet, and passes through the pre-filter, medium-efficiency filter, and high-efficiency filter successively. Triple dust collection and filtration system, different sizes and types of suspended particles, pollen, and smoke are adsorbed successively by the triple dust collection and filtration system to ensure that most of the suspended particles in the air are effectively adsorbed. The air after the removal of suspended particles passes through the active composite nano-photocatalytic oxidation component to undergo a composite photocatalytic oxidation reaction. Active oxygen, hydroxyl radicals and ultraviolet lamps work together to decompose most of the organic pollutants and some inorganic substances; destroy the cell membrane of bacteria , so that the cell membrane structure is damaged, resulting in metabolic barriers to inhibit its growth until its death; directly destroy the ribonucleic acid or deoxyribonucleic acid of the virus, making it inactive. Finally, clean air with a large amount of negative ions goes out through the air outlet and enters the external environment.

In the above-mentioned indoor air cleaner, the fan bottom plate and the volute are fixed inside the body, the side of the volute has an inlet connected to the air inlet of the body, and the top has an outlet connected to the air outlet on the top of the body , the above-mentioned fan is arranged in the volute, and the fan is fixed on the fan base plate at the back of the body. Under the action of the fan, the outside air is sucked in by the air inlet, passes through the air duct formed by the volute and the fan bottom plate, and finally flies out from the air outlet.

In the above-mentioned indoor air cleaner, a filter frame is fixed on the volute, and the above-mentioned medium and high-efficiency composite filter and the active composite nano-photocatalytic oxidation component are fixed on the filter frame through a detachable structure. The pre-filter is fixed on the inner side of the air intake grille through slide rails on both sides, and the air intake grille is fixed on the body through a detachable structure. In the above structure, the inlet grille, the pre-filter, the medium and high-efficiency composite filter and the active composite nano-photocatalytic oxidation component are all detachable. Source composite nano photocatalytic oxidation components become more convenient.

In the above-mentioned indoor air purifier, the above-mentioned active composite nano-photocatalytic oxidation component includes a pre-composite nano-photocatalytic oxidation net, an ultraviolet germicidal lamp and a rear composite nano-photocatalytic oxidation net, and the ultraviolet germicidal lamp is set on Between the pre- and post-composite nano photocatalytic oxidation nets. Active oxygen, ultraviolet rays produced by ultraviolet germicidal lamps, and strong oxidative free radicals such as hydroxyl radicals generated on the pre- and post-composite nano-photocatalytic oxidation nets by ultraviolet radiation work together to decompose and treat various chemical harmful gases such as formaldehyde, and kill various pathogenic microorganisms.

In the above-mentioned indoor air cleaner, the medium-efficiency filter in the medium-high-efficiency composite filter is made of activated carbon material. The medium-efficiency filter screen made of activated carbon material has good adsorption effect.

In the above-mentioned indoor air purifier, the pre- and post-composite nano-photocatalytic oxidation nets are all made by a composite nano-photocatalytic oxidation process. In this way, the front and rear composite nano-photocatalytic oxidation nets can undergo photocatalytic reactions with the ultraviolet rays released by the ultraviolet germicidal lamps, thereby decomposing and treating various chemical harmful gases such as formaldehyde, and killing various pathogenic microorganisms.

In the above-mentioned indoor air cleaner, the fan includes a centrifugal fan and an axial flow fan, and the centrifugal fan is fixed on the output shaft of the axial flow motor. The axial flow motor starts to work, and the output shaft starts to rotate, which drives the rotation of the centrifugal fan fixedly connected with it to generate negative pressure, so that the outside air is sucked into the body.

In the above-mentioned indoor air cleaner, the centrifugal fan is cylindrical, has axially extending and uniformly distributed through slots on the side of the centrifugal fan, and has a number of axially extending and inclined to the same direction blades on the inner wall of the centrifugal fan. .

Compared with the prior art, the indoor air purifier has the following advantages:

1. This indoor air purifier passes through the triple dust collection and filtration system of pre-filter, medium-efficiency filter and high-efficiency filter. Different sizes and types of suspended particles, pollen, and smoke are successively absorbed by the triple dust collection and filtration system to ensure Most of the suspended particles are effectively absorbed, and the dust removal effect is very ideal.

2. The indoor air purifier undergoes a composite photocatalytic oxidation reaction through active composite nano photocatalytic oxidation components, active oxygen, hydroxyl radicals and ultraviolet lamps work together to decompose most organic pollutants and some inorganic substances; destroy bacteria Cell membrane damages the composition of the cell membrane, causing metabolic disorders to inhibit its growth until it dies; directly destroys the ribonucleic acid or deoxyribonucleic acid of the virus, making it inactive.

Description of drawings

Figure 1 is an exploded schematic diagram of the whole structure of the air purifier.

Fig. 2 is a schematic diagram of the partial structure of the filter system of the air purifier.

Fig. 3 is an outline view of the air purifier.

Fig. 4 is a schematic diagram of the installation of the air inlet grill of the air purifier.

Figure 5 is a schematic diagram of the installation of the pre-filter of the air purifier.

Figure 6 is a schematic diagram of the installation of the high-efficiency composite filter in the air purifier.

In the figure, 1. Body; 2. Air inlet grille; 3. Pre-filter; 4. Medium-high efficiency composite filter; 5. Negative ion generator; 6. Outlet grille; 7. Volute; 8. Filter Frame; 9. Pre-composite nano photocatalytic oxidation net; 10. Ultraviolet germicidal lamp; 11. Rear composite nano photocatalytic oxidation net; 12. Centrifugal fan; 13. Axial flow motor; 14. Fan bottom plate.

Detailed ways

The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

As shown in Figure 1 and Figure 2, the indoor air purifier includes a body with an air inlet and an air outlet, a fan, an air inlet grille, a pre-filter, a medium and high-efficiency composite filter, a composite nano-photocatalytic oxidation component, and an anion generator. device and outlet grille.

The fan is located between the air inlet and the air outlet of the body, and the fan includes a centrifugal fan 12 and an axial flow motor 13, and the centrifugal fan 12 is fixed on the output shaft of the axial flow motor 13. When the axial flow motor 13 works, the output shaft starts to rotate, which drives the centrifugal fan 12 fixedly connected with it to rotate to generate negative pressure, so that the outside air is sucked into the air duct of the body. Specifically, the centrifugal fan 12 is cylindrical, has axially extending and uniformly distributed through slots on the side of the centrifugal fan 12 , and has several axially extending and inclined to the same direction blades on the inner wall of the centrifugal fan. The centrifugal fan 12 of this structural design can efficiently suck the outside air into the air duct of the body, and the centrifugal fan 12 of this structural design has a turning effect, turning the air sucked in from the front of the body, and the air is discharged from the top of the grille 6. fly out.

In this embodiment, the air inlet grille, pre-filter screen, medium and high-efficiency composite filter screen, active composite nano photocatalytic oxidation component, negative ion generator and outlet grille are all arranged in the body and located at the air inlet and outlet between. Specific arrangement rules: the air inlet is provided with an air inlet grille 2, a pre-filter screen 3, a medium and high-efficiency composite filter screen 4, an active composite nano-photocatalytic oxidation component, an anion generator 6, and an air outlet grille from the outside to the inside. 12.

Specifically, the medium-efficiency filter in the medium-high-efficiency composite filter 4 in this embodiment is made of activated carbon material. The medium-efficiency filter made of activated carbon material has a good adsorption effect, and it is installed in front of the high-efficiency filter to better protect the high-efficiency filter and prolong its service life.

Fan bottom plate 14 and volute 7 are also fixed in the body, the front portion of the volute 7 has an inlet connected with the air inlet at the front of the body, and the top has an outlet connected with the air outlet at the top of the body. In the volute 7, the fan is fixed on the fan bottom plate 14 at the back of the body. Under the action of the fan, the outside air is sucked in by the air inlet, passes through the air duct formed by the volute 7 and the fan bottom plate 14, and finally flies out from the air outlet.

A filter screen frame 8 is fixed at the entrance of the air duct at the front of the volute. The above-mentioned medium and high-efficiency composite filter screen 4 and the active composite nano-photocatalytic oxidation component are fixed in the filter screen frame 8 through a detachable structure, and the pre-filter screen 3 passes through The slide rails on both sides are fixed on the inside of the air intake grille 2, and the air intake grille 2 is fixed on the front of the body 1 through a detachable structure. In the above structure, the inlet grille 2, the pre-filter 3, the medium-high-efficiency composite filter 4 and the active composite nano-photocatalytic oxidation component are all detachable. Therefore, it is necessary to replace or clean the pre-filter 3, the medium-high The filter screen 4 and the active composite nanometer photocatalytic oxidation component become more convenient.

In this embodiment, the active composite nano photocatalytic oxidation component includes a front composite nano photocatalytic oxidation net 9, an ultraviolet germicidal lamp 10 and a rear composite nano photocatalytic oxidation net 11, and the ultraviolet germicidal lamp is arranged at the front Between the nanometer photocatalytic oxidation network 9 and the composite nanometer photocatalytic oxidation network 11 . Active oxygen, ultraviolet rays produced by the ultraviolet germicidal lamp 10, and strong oxidizing free radicals such as hydroxyl radicals produced on the pre-nano photocatalytic oxidation net 9 and the rear composite nano-photocatalytic oxidation net 11 by ultraviolet irradiation work together to decompose and treat formaldehyde And other harmful chemical gases, kill all kinds of pathogenic microorganisms.

Specifically, the pre-nano photocatalytic oxidation net 9 and the post-composite nano-photocatalytic oxidation net 11 are made of a composite nano-photocatalytic oxidation process, so that the pre-nano photocatalytic oxidation net 9 and the rear composite nano-photocatalytic oxidation The net 11 can react photocatalytically with the ultraviolet rays released by the ultraviolet germicidal lamp, thereby decomposing and treating various chemical harmful gases such as formaldehyde, and killing various pathogenic microorganisms.

The indoor air purifier is used to purify and disinfect the air, and can be widely used in various environments with air quality problems. The working principle of this indoor air purifier: the high-speed rotating centrifugal fan generates negative pressure in the body, actively sucks the indoor dirty air into the machine through the air inlet, and passes through the pre-filter, medium-efficiency filter, and high-efficiency filter successively. Triple dust collection and filtration system, different sizes and types of suspended particles, pollen, and smoke are adsorbed successively by the triple dust collection and filtration system to ensure that most of the suspended particles in the air are effectively adsorbed. The air after the removal of suspended particles passes through the active composite nano-photocatalytic oxidation component to undergo a composite photocatalytic oxidation reaction. Active oxygen, hydroxyl radicals and ultraviolet lamps work together to decompose most of the organic pollutants and some inorganic substances; destroy the cell membrane of bacteria , so that the cell membrane structure is damaged, resulting in metabolic barriers to inhibit its growth until its death; directly destroy the ribonucleic acid or deoxyribonucleic acid of the virus, making it inactive. Finally, clean air with a large amount of negative ions goes out through the air outlet and enters the external environment.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the technical field to which the present invention belongs can make various modifications, supplements or similar replacements to the described specific embodiments, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Although this article uses a lot of 1. Airframe; 2. Inlet grille; 3. Pre-filter; 4. Medium and high-efficiency composite filter; 5. Negative ion generator; 6. Outlet grille; 7. Volute; 8. Filter screen frame; 9. Pre-composite nano photocatalytic oxidation net; 10. Ultraviolet germicidal lamp; 11. Rear composite nano photocatalytic oxidation net; 12. Centrifugal fan; 13. Axial flow motor; 14. Fan bottom plate, etc. term, but does not exclude the possibility of using other terms. These terms are only used to describe and explain the essence of the present invention more conveniently, and it is against the spirit of the present invention to interpret them as any additional limitation.

Claims (8)

1. indoor air cleaner, comprise body (1) with air inlet and air outlet, in body (1), be provided with the blower fan between air inlet and air outlet, it is characterized in that, described air inlet be provided with successively from outside to inside air-inlet grille (2), prefiltering net (3), in efficient composite filter net (4) and active composite Nano photochemical catalytic oxidation assembly, extremely be provided with anion generator (5) and air outlet grate (6) in described air outlet has outward successively.

2. indoor air cleaner according to claim 1, it is characterized in that, described body (1) internal fixation has blower fan base plate (14), spiral case (7), the sidepiece of this spiral case (7) has the inlet that connects with the air inlet of body (1), the top has the outlet that connects with the air outlet that is positioned at body (1) top, above-mentioned blower fan is arranged in the spiral case (7), and blower fan is fixed on the blower fan base plate (14) at body (1) back.

3. indoor air cleaner according to claim 2, it is characterized in that, be fixed with on the described spiral case (7) and filter screen frame (8), above-mentioned in efficient composite filter net (4) and active composite Nano photochemical catalytic oxidation assembly be fixed on this filtration screen frame (8) by demountable structure.

4. according to claim 1 or 2 or 3 described indoor air cleaners, it is characterized in that, described active composite Nano photochemical catalytic oxidation assembly comprises preposition composite Nano photochemical catalytic oxidation net (9), ultraviolet germicidal lamp (10) and rearmounted composite Nano photochemical catalytic oxidation net (11), and described ultraviolet germicidal lamp (10) is arranged between preposition, the rearmounted composite Nano photochemical catalytic oxidation net (11).

5. indoor air cleaner according to claim 4 is characterized in that, described in medium air filtration net in the efficient composite filter net (4) make by absorbent charcoal material.

6. indoor air cleaner according to claim 4 is characterized in that, described preposition, rearmounted composite Nano photochemical catalytic oxidation net (11) is made by composite Nano photocatalytic-oxidation metallization processes.

7. according to claim 1 or 2 or 3 described indoor air cleaners, it is characterized in that described blower fan comprises centrifugal fan (12) and axial flow blower, centrifugal fan (12) is fixed on the output shaft of axial flow motor (13).

8. according to claim 1 or 2 or 3 described indoor air cleaners, it is characterized in that, described centrifugal fan (12) is tubular, have at centrifugal fan (12) sidepiece and to extend axially and equally distributed groove, have some blades that extend axially and tilt to same direction at centrifugal fan (12) inwall.

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