CN115218321A

CN115218321A - Air purification sterilizing machine, air purification device and intelligent sterilization robot

Info

Publication number: CN115218321A
Application number: CN202210910170.8A
Authority: CN
Inventors: 谭浩华; 刘文华; 陈学锋
Original assignee: Trane Air Conditioning Systems China Co Ltd
Current assignee: Trane Air Conditioning Systems China Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-10-21

Abstract

The embodiment of the application provides an air purification sterilizing machine, air purification device and intelligent disinfection robot. The air purification and disinfection machine comprises a machine shell, an air purification device, a filter screen assembly and electronic components arranged in the machine shell. The casing is provided with an air inlet and an air outlet. Air purification device locates in the casing and lies in between air intake and the air outlet, and air purification device includes a plurality of ultraviolet ray disinfection subassemblies, and a plurality of ultraviolet ray disinfection subassemblies are around air purification device's the central axis evenly distributed. The filter screen subassembly is including the leading filter screen that is located air inlet department and the rearmounted filter screen that is located the air outlet in front. The air purification sterilizing machine, the air purification device and the intelligent sterilization robot of the embodiment of the application can effectively improve the sterilization efficiency and have a good sterilization effect.

Description

Air purification sterilizing machine, air purification device and intelligent sterilizing robot

Technical Field

The application relates to the technical field of air treatment, in particular to an air purification and disinfection machine, an air purification device and an intelligent disinfection robot.

Background

At present, along with the increasingly serious urban air pollution, the air purifier has great influence on the health of human bodies, and particularly causes greater harm to old people, children and patients, thereby generating various air purifying and sterilizing machines. The air purification and disinfection machine can circularly purify air, can adsorb, decompose or convert various air pollutants (generally including PM2.5, dust, pollen, peculiar smell, formaldehyde and other decoration pollutants, bacteria, allergens and the like), and effectively improves the air cleanliness. In order to effectively kill harmful substances in the air, an ultraviolet lamp is generally adopted for purifying the air.

Disclosure of Invention

The application provides an air purification sterilizing machine, air purification device and intelligent disinfection robot can improve the efficiency of disinfecting effectively, has good bactericidal effect.

One aspect of the embodiments of the present application provides an air purifying sterilizer. The air purification and disinfection machine comprises a machine shell, an air purification device, a filter screen assembly and electronic components arranged in the machine shell. The casing is provided with an air inlet and an air outlet. Air purification device locates in the casing and be located the air intake with between the air outlet, air purification device includes a plurality of ultraviolet ray disinfection subassembly, and is a plurality of ultraviolet ray disinfection subassembly winds air purification device's the central axis evenly distributed. The filter screen subassembly is including being located leading filter screen of air intake department with be located rearmounted filter screen before the air outlet.

The air purification sterilizing apparatus of the embodiment of the application is through setting up a plurality of ultraviolet ray disinfection subassemblies to, a plurality of ultraviolet ray disinfection subassemblies are around air purification device's the central axis evenly distributed, thereby, make the air can be comparatively even with the contact of the ultraviolet ray that the ultraviolet ray disinfection subassembly sent, thereby, can have good even bactericidal effect, can improve the efficiency of disinfecting effectively.

Another aspect of the embodiments of the present application further provides an air purification apparatus applied to an air purification and sterilization machine. Air purification device includes a plurality of ultraviolet ray disinfection subassembly, and is a plurality of the ultraviolet ray disinfection subassembly winds air purification device's the central axis evenly distributed, every the ultraviolet ray disinfection subassembly includes the ultraviolet lamp and surrounds the cylindricality photocatalyst net of ultraviolet lamp.

The air purification device of this application embodiment is through setting up a plurality of ultraviolet ray disinfection subassemblies to, a plurality of ultraviolet ray disinfection subassemblies are around air purification device's the central axis evenly distributed, thereby, make the air can be more even with the contact of the ultraviolet ray that the ultraviolet ray disinfection subassembly sent, thereby, the air purification device of this application embodiment can have good even bactericidal effect, can improve the efficiency of disinfecting effectively.

Still another aspect of the embodiments of the present application provides an air purifying apparatus, which is applied to an air purifying sterilizer. The air purification device comprises an ultraviolet disinfection component and at least one layer of outer guide plate. The ultraviolet disinfection component comprises an ultraviolet lamp, a cylindrical photocatalyst net surrounding the ultraviolet lamp and at least one layer of inner guide plate which is arranged in the cylindrical photocatalyst net and sleeved on the periphery of the ultraviolet lamp, wherein the cylindrical photocatalyst net is provided with an inlet and an outlet. The at least one layer of outer guide plate is sleeved on the periphery of the cylindrical photocatalyst net. The inner guide plates and the outer guide plates are alternately arranged between the inlet and the outlet, so that the airflow entering from the inlet can penetrate through the cylindrical photocatalyst net from the inside of the cylindrical photocatalyst net for multiple times, reversely penetrate through the cylindrical photocatalyst net from the outside of the cylindrical photocatalyst net and finally flow out from the outlet.

The air purification device of this application embodiment is through the design with ultraviolet ray disinfection subassembly adoption multiple air flue guide plate to, can let the air current turn back many times through cylindricality photocatalyst net, can be so that the air under ultraviolet light environment, the time that stops long enough, can slow down circulation of air speed, the dwell time of extension air in air purification device's cavity, it is more abundant to make the disinfection of disinfecting, has better disinfection effect of disinfecting.

Still another aspect of embodiments of the present application provides an intelligent sterilization robot. The intelligent disinfection robot comprises a movable intelligent base and the air purification and disinfection machine, the air purification and disinfection machine is installed on the intelligent base, and the intelligent base is used for automatically avoiding barriers and automatically planning a moving path to drive the air purification and disinfection machine to carry out moving disinfection.

The intelligent disinfection robot of this application embodiment can realize intelligent removal disinfection, not only has good even bactericidal effect, improves the efficiency of disinfecting effectively, moreover, can also automatic identification barrier, effectively keep away the barrier, the automatic planning removes the route and removes the disinfection to can improve the effect of killing to whole environment space better.

Drawings

Fig. 1 is a schematic perspective view of an air purification apparatus according to an exemplary embodiment of the present application;

FIG. 2 is a top schematic view of the air purification apparatus of FIG. 1;

FIG. 3 is a cross-sectional view of a single UV sterilization module in an air purification apparatus according to an exemplary embodiment of the present application;

FIG. 4 is a schematic view of the air flow path of a single UV sterilization assembly in accordance with an exemplary embodiment of the present application;

FIG. 5 is a perspective view of an air sterilizer according to an exemplary embodiment of the present application from one perspective;

FIG. 6 is a schematic perspective view of another perspective view of an air sterilizer according to an exemplary embodiment of the present application;

FIG. 7 is a schematic view of the interior of an air sterilizer according to an exemplary embodiment of the present application;

FIG. 8 is a schematic front view of an air purifying sterilizer of an exemplary embodiment of the present application;

FIG. 9 is a schematic cross-sectional view of an air sterilizer according to an exemplary embodiment of the present application.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the exemplary embodiments below do not represent all embodiments consistent with the present application. Rather, they are merely examples of devices consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used in the examples of the present application should have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and claims of this application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms a, an, etc. do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed after "comprises" or "comprising" is inclusive of the element or item listed after "comprising" or "comprises", and the equivalent thereof, and does not exclude additional elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The embodiment of the present application provides an air purification device 20, which can be applied to an air purification and disinfection machine 1, and the air purification device 20 can be disposed in a housing 10 of the air purification and disinfection machine 1 (as shown in fig. 7). Fig. 1 is a schematic perspective view of an air purification apparatus 20 according to an exemplary embodiment of the present application, and fig. 2 is a schematic top view of the air purification apparatus 20 in fig. 1. Referring to fig. 1 and 2 in combination, an air purification apparatus 20 according to an embodiment of the present application may include at least one uv sterilizing assembly 21. Each uv sterilizing unit 21 includes a uv lamp 211 and a cylindrical photocatalyst net 212 surrounding the uv lamp 211. In some embodiments, the air purification apparatus 20 of the present application may include a plurality of uv disinfection assemblies 21, the plurality of uv disinfection assemblies 21 being evenly distributed about a central axis of the air purification apparatus 20.

The air purification device 20 of this application embodiment is through setting up a plurality of ultraviolet ray disinfection subassembly 21 to, a plurality of ultraviolet ray disinfection subassembly 21 are around air purification device 20's the central axis evenly distributed, thereby, make the air can be more even with the contact of the ultraviolet ray that ultraviolet ray disinfection subassembly 21 sent, thereby, the air purification device 20 of this application embodiment can have good even bactericidal effect, can improve the efficiency of disinfecting effectively.

The cylindrical photocatalyst net 212 is disposed around the ultraviolet lamps 211 in the height direction of the cabinet 10. The cylindrical photocatalyst net 212 may be, for example, cylindrical or prismatic. However, the cylindrical photocatalyst net 212 according to the embodiment of the present application is not limited to a cylindrical shape or a prismatic shape, and may have other shapes as long as it can surround the ultraviolet lamp 211. The figures in the embodiments of the present application are schematically illustrated in the form of a cylindrical photocatalyst net 212.

In some embodiments, the cylindrical photocatalyst mesh 212 may be provided with a titanium dioxide coating (not shown). The ultraviolet light emitted by the ultraviolet lamp 211 excites the titanium dioxide coating coated on the cylindrical photocatalyst net 212 to generate photocatalysis, so that the air in the cylindrical cavity is uniformly contacted with the ultraviolet light and hydroxyl radicals, organic compounds, partial inorganic compounds, bacteria and viruses can be more effectively decomposed, and the efficiency of sterilization and disinfection can be improved. In other embodiments, the cylindrical photocatalyst net 212 may also be provided with an activated carbon layer, which may also be beneficial to improve the sterilization efficiency.

Referring to fig. 1 and 2 in combination, in some embodiments, the ultraviolet lamps 211 of the ultraviolet disinfection assemblies 21 are distributed in a regular polygon shape around the central axis of the air purification apparatus 20, so that the ultraviolet rays emitted by the ultraviolet lamps 211 can be distributed more uniformly in the casing 10, which is more beneficial to improving the efficiency of sterilization and disinfection of the air passing through the casing 10. The number of sides of the regular polygon may comprise, for example, 3 to 9. In the illustrated embodiment of the present application, the air purification apparatus 20 including three uv disinfection modules 21 is schematically shown. The three ultraviolet lamps 211 of the three ultraviolet disinfection modules 21 are distributed in a regular triangle around the central axis of the air purification device 20.

The air cleaning device 20 of the embodiment of the present application further includes an upper partition 22. The upper partition 22 is located above the cylindrical photocatalyst net 212 and can be used for fixing the ultraviolet lamp 211.

The cylindrical photocatalyst net 212 has an inlet 2121 at a lower side and an outlet 2122 at an upper side. In order to increase the air circulation at the top of the cylindrical photocatalyst net 212, therefore, the upper partition plate 22 above the cylindrical photocatalyst net 212 needs to reduce the air circulation resistance as much as possible. As shown in fig. 2, in some embodiments, the upper separator 22 includes an annular outer frame 221 and elongated support bars 222 located in a radial direction of the annular outer frame 221. A mounting portion (not numbered) for fixing a lamp head of the ultraviolet lamp 211 is provided at a position of the support bar 222 corresponding to the ultraviolet lamp 211. The lamp cap of the ultraviolet lamp 211 is fixed in the mounting part of the supporting bar 222.

The upper partition 22 includes a plurality of supporting bars 222 for fixing the plurality of uv lamps 211 of the uv sterilizing module 21, respectively, and the number of the plurality of supporting bars 222 is the same as the number of the plurality of uv lamps 211. The plurality of supporting bars 222 are respectively connected to the center of the annular outer frame 221 in a horizontally converging manner from different radial directions of the annular outer frame 221.

In an embodiment where a plurality of uv sterilization modules 21 are uniformly distributed around the central axis of the air cleaning device 20, a plurality of support bars 222 are arranged in the annular outer frame 221 at the same angular intervals.

In the illustrated embodiment, the upper partition 22 includes three support bars 222 corresponding to the three uv sterilization assemblies 21, and the three support bars 222 are arranged in a substantially Y-shaped configuration in the annular outer frame 221. The number of the supporting bars 222 can be adjusted correspondingly with the number of the ultraviolet lamps 211.

In some embodiments, the air purification apparatus 20 of the present embodiment further includes a lower partition 23. The lower partition plate 23 is located below the cylindrical photocatalyst net 212, and can be used to support the cylindrical photocatalyst net 212.

In some embodiments, the air purification apparatus 20 of the present embodiment further includes a middle partition 24. The middle partition plate 24 is sleeved on the periphery of the cylindrical photocatalyst net 212 and located between the upper partition plate 22 and the lower partition plate 23, and can be used for fixing the cylindrical photocatalyst net 212.

In some embodiments, the air purification apparatus 20 of the present embodiment further includes a plurality of side plates 25. The plurality of side plates 25 are disposed around the circumference of the air cleaning device 20, and can connect the upper partition 22, the middle partition 24 and the lower partition 23 together and isolate the air inlet 101 and the air outlet 102, thereby forming an integrated air cleaning device 20.

The air purification device 20 of the embodiment of the present application has good uniform sterilization effect and sterilization efficiency.

Fig. 3 is a sectional view of a single uv disinfection module 21 in the air purification apparatus 20 according to an exemplary embodiment of the present application. As shown in fig. 3, in some embodiments, the single uv disinfection module 21 of the present application may further comprise at least one layer of inner baffles 213. At least one layer of inner baffle 213 is disposed in the cylindrical photocatalyst net 212 and is sleeved on the periphery of the ultraviolet lamp 211. For example, the inner baffle 213 may be welded inside the cylindrical photocatalyst mesh 212. The cylindrical photocatalyst net 212 has an inlet 2121 at a lower side and an outlet 2122 at an upper side.

The air purification device 20 of the present application further includes at least one outer baffle. At least one layer of external flow guiding plate is sleeved on the periphery of the cylindrical photocatalyst net 212.

Fig. 4 is a schematic view of the air flow path of a single uv disinfection module 21 according to an exemplary embodiment of the present application. Referring to fig. 4 in combination, at least one inner deflector layer 213 and at least one outer deflector layer are alternately disposed between the inlet 2121 and the outlet 2122 of the cylindrical photocatalyst net 212, so that the gas flow entering from the inlet 2121 can penetrate the cylindrical photocatalyst net 212 from the inside of the cylindrical photocatalyst net 212 and reversely penetrate the cylindrical photocatalyst net 212 from the outside of the cylindrical photocatalyst net 212 and finally flow out from the outlet 2122.

In some embodiments, a single uv disinfection module 21 of the present application may include two layers of inner baffles 213 and one layer of outer baffles. The outer baffle is positioned between the two inner baffles 213. In one embodiment of the present application, the middle partition plate 24 for fixing the cylindrical photocatalyst net 212 can be used as an outer baffle plate, so that the middle partition plate 24 has a dual function of both fixing the cylindrical photocatalyst net 212 and guiding air.

As shown in fig. 4, the air flow enters the air purification device 20 from the inlet at the lower part of the cylindrical photocatalyst net 212, after encountering the first layer of inner baffle plate 213, the air flow penetrates the cylindrical photocatalyst net 212 from the inside of the cylindrical photocatalyst net 212 and continues to flow upwards, after encountering the second layer of outer baffle plate (i.e. the middle baffle plate 24), the air flow penetrates the cylindrical photocatalyst net 212 from the outside of the cylindrical photocatalyst net 212 in the opposite direction, and then, by repeating the above steps, the sterilized and cleaned air finally flows out from the outlet 2122 at the top of the cylindrical photocatalyst net 212 after being combined for a plurality of times.

The air purification device 20 of this application embodiment adopts the design of multiple air flue guide plate with single ultraviolet ray disinfection subassembly 21, thereby, can let the air current turn back many times through cylindricality photocatalyst net 212, can be so that the air under the ultraviolet light environment, the time that stops long enough, can slow down circulation of air speed, the dwell time of extension air in air purification device 20's cavity, make the disinfection of disinfecting more abundant, better disinfection effect of disinfecting has.

It should be noted that, in the air purification apparatus 20 of the embodiment of the present application, the solution of uniformly distributing a plurality of uv disinfection modules 21 around the central axis of the air purification apparatus 20 as shown in fig. 1 and 2 and the solution of multiple airway deflectors used in a single uv disinfection module 21 as shown in fig. 3 and 4 may be designed separately or in combination.

The embodiment of the application also provides an air purification and disinfection machine 1. FIG. 5 is a perspective view of an air sterilizer 1 according to an exemplary embodiment of the present application; fig. 6 is a perspective view of another perspective view of the air sterilizer 1 according to an exemplary embodiment of the present application, in which the pre-filter 31 is removed; FIG. 7 is a schematic view of the interior of the air sterilizer 1 according to an exemplary embodiment of the present application;

FIG. 8 is a schematic front view of the air sterilizer 1 according to an exemplary embodiment of the present application; fig. 9 is a schematic cross-sectional view of an air sterilizer 1 according to an exemplary embodiment of the present application.

Referring to fig. 5 to 9 in combination, an air purifying and sterilizing machine 1 according to an embodiment of the present application may include a cabinet 10, an air purifying device 20 according to the above embodiments, a filter screen assembly, and electronic components disposed in the cabinet 10. The housing 10 is provided with an inlet 101 and an outlet 102. The air cleaning device 20 is disposed in the casing 10 and between the air inlet 101 and the air outlet 102. The screen assembly includes a front screen 31 positioned at the intake opening 101 and a rear screen 32 positioned in front of the outtake opening 102.

The air purification sterilizing apparatus 1 of the embodiment of the application is through setting up a plurality of ultraviolet ray disinfection subassemblies 21 to, a plurality of ultraviolet ray disinfection subassemblies 21 are around the central axis evenly distributed of air purification device 20, thereby, make the air can be comparatively even with the contact of the ultraviolet ray that ultraviolet ray disinfection subassembly 21 sent, thereby, can have good even bactericidal effect, can improve the efficiency of disinfecting effectively.

As shown in fig. 6, in some embodiments, the intake opening 101 may be disposed around the lower half of the casing 10, and the exhaust opening 102 may be located at the top of the casing 10.

In some embodiments, the number of the air inlets 101 may be multiple, and the number of the air outlets 102 is one, according to the requirement of the air volume. As shown in fig. 5, the number of the pre-strainer 31 is correspondingly plural, and the number of the pre-strainer 31 is equal to the number of the air inlets 101. The plurality of pre-filters 31 are respectively and correspondingly installed at the plurality of air inlets 101, so that air entering the air inlets 101 can be pre-filtered, and impurities or foreign matters are prevented from entering the air inlets 101 to block the air inlets 101. In the illustration of the present application, the number of the air inlets 101 is three, and the three air inlets 101 are respectively disposed around the lower half of the casing 10. Correspondingly, the number of the front sieves 31 is also three, and the three front sieves 31 are correspondingly installed at the three air inlets 101, respectively.

As shown in fig. 7 and 9, in some embodiments, the rear screen 32 may include an upper horizontal screen 321 disposed horizontally and an inclined screen disposed below the horizontal screen 321 and inclined with respect to the horizontal screen 321. The inclined filter screen may contact the horizontal filter screen 321, or a certain distance may be maintained between the inclined filter screen and the horizontal filter screen 321.

In some embodiments, the inclined screens may include a first inclined screen 322 and a second inclined screen 323, the top ends of the first inclined screen 322 and the second inclined screen 323 abut, the first inclined screen 322 is angled from the middle of the horizontal screen 321 toward one edge end of the horizontal screen 321, and the second inclined screen 323 is angled from the middle of the horizontal screen 321 toward the other edge end of the horizontal screen 321. In one embodiment, first inclined screen 322 and second inclined screen 323 are symmetrically positioned with respect to the middle of horizontal screen 321.

The air purification sterilizing machine 1 of the embodiment of the application is provided with the filter screen 32 through the setting, thereby, ultraviolet rays emitted by the ultraviolet lamp 211 can be effectively prevented from directly penetrating the air outlet 102 to cause harm to a human body, the wind of the air outlet 102 is more moderate, the noise can be effectively reduced, and people feel comfortable.

The air purification sterilizing machine 1 of the embodiment of the application has higher sterilization and disinfection efficiency, can well meet the requirement of ultraviolet ray leakage, and the air purification sterilizing machine 1 of the embodiment of the application can be used in the environment with human-machine coexistence.

In some embodiments, at least one of the pre-screen 31 and the post-screen 32 includes an activated carbon layer, an anion layer, or a hepa layer, thereby enabling better filtering.

As shown in fig. 9, in the air sterilizer 1 of the present application, the electronic components disposed in the cabinet 10 may include a controller (not shown) electrically connected to the plurality of ultraviolet lamps 211 and a blower 11 electrically connected to the controller, and the blower 11 is located at the air inlet 101.

As shown in fig. 5 and 8, in some embodiments, the electronic components may also include an air quality detector 12 for detecting data of air quality. The air quality detector 12 is disposed at a lower portion of the front end of the cabinet 10 and electrically connected to the controller, and the air quality detector 12 may transmit a sensing signal to the controller based on data of the detected air quality, and the controller may adjust the rotation speed of the fan 11 based on the sensing signal.

In some embodiments, the electronic components may also include a warning light 14. The controller may also control the color of the warning light 14 based on the sensing signal sent by the air quality detector 12. For example, red, yellow, and green may be used to represent good air quality.

In some embodiments, the electronic components may further include a display 13, the display 13 being electrically connected to the controller. The controller may send the quality-controlled data detected by the air quality detector 12 to the display screen 13 for display.

In some embodiments, the electronic components may also include a voice reminder 15. When the data of the air quality detected by the air quality detector 12 does not meet the set requirement, the controller can control the voice reminder 15 to give out a voice prompt.

The air purification device 20 and the air purification sterilizer 1 with the air purification device 20 of the embodiment of the application can effectively improve the sterilization efficiency and have a good sterilization effect.

The embodiment of the application also provides an intelligent disinfection robot. The intelligent disinfection robot comprises a movable intelligent base (not shown) and the air purification and disinfection machine 1 in the above embodiments, wherein the air purification and disinfection machine 1 is arranged on the intelligent base. Be equipped with the recognition device that can be used for discerning the barrier on intelligent base, intelligent base can keep away the barrier according to the barrier situation that recognition device discerned automatically to, intelligent base can also automatic planning movement path drive air purification sterilizing machine 1 removes the disinfection according to the movement path of planning.

The intelligent disinfection robot of this application embodiment can realize intelligent removal disinfection, not only has good even bactericidal effect, improves the efficiency of disinfecting effectively, moreover, can also automatic identification barrier, effectively keep away the barrier, the automatic planning removes the route and removes the disinfection to can improve the effect of killing of whole environment space better.

The air purifying and disinfecting machine, the air purifying device and the intelligent disinfecting robot provided by the embodiment of the application are described in detail above. The air purifying sterilizer, the air purifying device and the intelligent sterilizing robot of the embodiments of the present application are described in detail herein by using specific examples, and the description of the above embodiments is only for helping to understand the core idea of the present application and is not intended to limit the present application. It should be noted that, for those skilled in the art, without departing from the spirit and principle of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications should also fall into the protection scope of the appended claims of the present application.

Claims

1. An air purification sterilizing machine which is characterized in that: the method comprises the following steps:

the shell is provided with an air inlet and an air outlet;

the air purification device is arranged in the shell and positioned between the air inlet and the air outlet, the air purification device comprises a plurality of ultraviolet disinfection components, and the ultraviolet disinfection components are uniformly distributed around the central axis of the air purification device;

the filter screen assembly comprises a front filter screen positioned at the air inlet and a rear filter screen positioned in front of the air outlet; and

an electronic component disposed within the housing.

2. The air purifying sterilizer as set forth in claim 1, wherein: the air inlet is arranged around the lower half part of the machine shell, and the air outlet is positioned at the top of the machine shell.

3. The air purifying sterilizer as set forth in claim 2, wherein: the number of the air inlets is multiple, and the number of the air outlets is one.

4. An air sterilizer as claimed in claim 1, wherein: each ultraviolet disinfection component comprises an ultraviolet lamp and a cylindrical photocatalyst net surrounding the ultraviolet lamp.

5. The air purifying sterilizer as set forth in claim 4, wherein: the ultraviolet lamps of the ultraviolet disinfection components are distributed in a regular polygon shape around the central axis of the air purification device.

6. The air purifying sterilizer as set forth in claim 5, wherein: the number of sides of the regular polygon comprises 3 to 9.

7. The air purifying sterilizer as set forth in claim 4, wherein: and an active carbon layer or a titanium dioxide coating is arranged on the cylindrical photocatalyst net.

8. The air purifying sterilizer as set forth in claim 4, wherein: the air purification device further includes:

the upper partition plate is positioned above the cylindrical photocatalyst net and used for fixing the ultraviolet lamp; and

and the lower partition plate is positioned below the cylindrical photocatalyst net and used for supporting the cylindrical photocatalyst net.

9. The air purifying sterilizer as set forth in claim 8, wherein: the air purification device further includes:

the middle partition plate is sleeved on the periphery of the cylindrical photocatalyst net, positioned between the upper partition plate and the lower partition plate and used for fixing the cylindrical photocatalyst net.

10. An air sterilizer as claimed in claim 9, wherein: the air purification device further includes:

and the side plates are arranged around the circumference of the air purification device and are used for connecting the upper partition plate, the middle partition plate and the lower partition plate together and isolating the air inlet and the air outlet.

11. An air purifying sterilizer as set forth in claim 3, wherein: the quantity of leading filter screen is a plurality of, and, the quantity of leading filter screen with the quantity of air intake equals.

12. An air sterilizer as claimed in claim 1, wherein: the rear filter screen comprises a horizontal filter screen and an inclined filter screen, wherein the upper part of the horizontal filter screen is horizontally arranged, and the inclined filter screen is positioned below the horizontal filter screen and is obliquely arranged relative to the horizontal filter screen.

13. An air sterilizer as claimed in claim 12, wherein: the slope filter screen includes first slope filter screen and second slope filter screen, first slope filter screen is followed the middle part orientation of horizontal filter screen an marginal end of horizontal filter screen is the angle and places, second slope filter screen is followed the middle part orientation of horizontal filter screen another marginal end of horizontal filter screen is the angle and places.

14. An air sterilizer as claimed in claim 13, wherein: the first inclined filter screen and the second inclined filter screen are symmetrically arranged relative to the middle of the horizontal filter screen.

15. An air sterilizer as claimed in claim 1, wherein: at least one of the front filter screen and the rear filter screen comprises an activated carbon layer, an anion layer or a HEPA layer.

16. An air sterilizer as claimed in claim 4, wherein: the electronic component comprises a controller electrically connected with the ultraviolet lamps and a fan electrically connected with the controller, and the fan is positioned at the air inlet.

17. An air sterilizer as claimed in claim 16, wherein: the electronic component further comprises an air quality detector used for detecting data of air quality, the air quality detector is arranged on the lower portion of the front end of the machine shell and electrically connected with the controller, the air quality detector sends induction signals to the controller based on the detected data of the air quality, and the controller adjusts the rotating speed of the fan based on the induction signals.

18. An air sterilizer as claimed in claim 17, wherein: the electronic component further comprises a warning lamp, and the controller further controls the color of the warning lamp according to the sensing signal sent by the air quality detector.

19. An air purifying sterilizer as set forth in claim 17, wherein: the electronic component further comprises a display screen which is electrically connected with the controller, and the controller is used for sending the data of the control quality detected by the air quality detector to the display screen for displaying.

20. An air purifying sterilizer as set forth in claim 17, wherein: the electronic component further comprises a voice reminder, and when the air quality data detected by the air quality detector does not meet the set requirements, the controller controls the voice reminder to send out voice prompts.

21. The utility model provides an air purification device, is applied to air purification sterilizing machine which characterized in that: the method comprises the following steps:

a plurality of ultraviolet ray disinfection subassembly, it is a plurality of the ultraviolet ray disinfection subassembly winds air purification device's the central axis evenly distributed, every the ultraviolet ray disinfection subassembly includes the ultraviolet lamp and surrounds the cylindricality photocatalyst net of ultraviolet lamp.

22. An air cleaning device according to claim 21, wherein: the ultraviolet lamps of the ultraviolet disinfection assemblies are distributed in a regular polygon shape around the central axis of the air purification device.

23. An air cleaning device according to claim 22, wherein: the number of sides of the regular polygon includes 3 to 9.

24. An air cleaning device according to claim 21, wherein: and an activated carbon layer or a titanium dioxide coating is arranged on the cylindrical photocatalyst net.

25. The air cleaning apparatus according to claim 21, wherein: further comprising:

26. An air cleaning device according to claim 25, wherein: the air purification device further includes:

27. An air cleaning device according to claim 26, wherein: the air purification device further includes:

and the side plates are arranged around the circumferential direction of the air purification device and are used for connecting the upper partition plate, the middle partition plate and the lower partition plate together.

28. The utility model provides an air purification device, is applied to air purification sterilizing machine which characterized in that: the method comprises the following steps:

the ultraviolet disinfection component comprises an ultraviolet lamp, a cylindrical photocatalyst net surrounding the ultraviolet lamp, and at least one layer of inner guide plate arranged in the cylindrical photocatalyst net and sleeved outside the ultraviolet lamp, wherein the cylindrical photocatalyst net is provided with an inlet and an outlet; and

at least one layer of outer guide plate, which is sleeved on the periphery of the cylindrical photocatalyst net,

the inner guide plates and the outer guide plates are alternately arranged between the inlet and the outlet, so that the airflow entering from the inlet can penetrate through the cylindrical photocatalyst net from the inside of the cylindrical photocatalyst net for multiple times, reversely penetrate through the cylindrical photocatalyst net from the outside of the cylindrical photocatalyst net and finally flow out from the outlet.

29. An air cleaning device according to claim 28, wherein: the at least one layer of the inner guide plate comprises two layers, the at least one layer of the outer guide plate comprises one layer, and the outer guide plate is positioned between the two layers of the inner guide plate.

30. An air cleaning device according to claim 29, wherein: the outer guide plate is a middle partition plate used for fixing the cylindrical photocatalyst net.

31. An air cleaning device according to claim 30, wherein: further comprising:

and the upper partition plate is positioned above the cylindrical photocatalyst net and used for fixing the ultraviolet lamp.

32. An air cleaning device according to claim 31, wherein: go up the baffle and include annular outer frame and be located the radial direction's of annular outer frame slender support bar the support bar corresponds to the position of ultraviolet lamp has and is used for fixing the installation department of the lamp holder of ultraviolet lamp.

33. An air cleaning device according to claim 32, wherein: air purification device includes a plurality ofly the ultraviolet ray disinfection subassembly, it is including being used for respectively fixing a plurality of to go up the baffle ultraviolet ray disinfection subassembly correspond the ultraviolet lamp a plurality of the support bar, it is a plurality of the support bar is followed respectively the different radial direction levels of annular outer frame assemble and are connected to the center of annular outer frame.

34. An air cleaning device according to claim 33, wherein: a plurality of ultraviolet ray disinfection subassembly is around air purification device's the central axis evenly distributed, and is a plurality of the support bar is in with the same interval angle arrange in the annular outer frame.

35. An air cleaning device according to claim 31, wherein: further comprising:

36. An air cleaning device according to claim 35, wherein: further comprising:

37. An intelligent disinfection robot which is characterized in that: the air purification and disinfection device comprises a movable intelligent base and the air purification and disinfection device as claimed in any one of claims 1 to 20, wherein the air purification and disinfection device is mounted on the intelligent base, and the intelligent base is used for automatically avoiding obstacles and automatically planning a moving path to drive the air purification and disinfection device to carry out moving disinfection.