CN110935250A

CN110935250A - Air purifying equipment

Info

Publication number: CN110935250A
Application number: CN201911259432.3A
Authority: CN
Inventors: 高亭
Original assignee: Ecovacs Robotics Suzhou Co Ltd
Current assignee: Ecovacs Robotics Suzhou Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-03-31
Also published as: JP7066781B2; JP2021090949A

Abstract

The air purification equipment provided by the embodiment of the invention comprises: a base having an air outlet; the filter cartridge is arranged on the base in an exposed mode and comprises an inner filter layer and an outer protective layer, a cavity for air to flow is formed by the filter cartridge and the base in a surrounding mode, and an air inlet is formed in the filter cartridge so that air can directly enter the filter cartridge. According to the technical scheme provided by the embodiment of the invention, the outer surface of the filter material is directly exposed in the air, so that the purification effect of the air purification equipment can be effectively improved.

Description

Air purifying equipment

Technical Field

The invention relates to the field of air purification, in particular to air purification equipment.

Background

With the improvement of living standards of people, the requirements on living quality are higher and higher, but the pollution to the environment is more and more serious due to the rapid development of modern society, the indoor environment of people is more and more poor, and various air pollutants such as PM2.5, dust, pollen, peculiar smell, formaldehyde and other decoration pollution, bacteria, allergen and the like seriously pollute the air environment and influence the body health of people. The air cleaning apparatus is an apparatus for adsorbing, decomposing or converting various air pollutants, which can significantly improve the quality of air, and thus the application of the air cleaning apparatus is becoming more and more popular.

However, the air purification device in the prior art generally adopts a filter material built-in scheme, that is, the air purification device generally covers the filter material inside through a layer of plastic air inlet grid, and the purifier realizes the air inlet function through holes on the air inlet grid.

And according to the aerodynamics principle, the above-mentioned air purification equipment of prior art places the air inlet grid on wind traffic direction, and the air inlet grid can form certain windage, leads to the air volume to reduce, and the air inlet grid is for keeping certain structural strength simultaneously, and plastics rib position width must be greater than 3mm, and the rib position needs intensive, further leads to the air inlet area to reduce, and the ventilation volume reduces to seriously influence air purifier performance.

Disclosure of Invention

In view of the above, the present invention has been made to solve the above problems or at least partially solve the above problems.

An embodiment of the present invention provides an air purification apparatus, including:

a base having an air outlet;

the filter cartridge is arranged on the base in an exposed mode and comprises an inner filter layer and an outer protective layer, a cavity for air to flow is formed by the filter cartridge and the base in a surrounding mode, and an air inlet is formed in the filter cartridge so that air can directly enter the filter cartridge.

Furthermore, a handle is arranged on the filter cartridge and is used for being held by an operator so as to drive the filter cartridge to be in butt joint with or separate from the base.

Further, the outer protection layer is coated on the periphery of the inner filtering layer.

Further, the outer protective layer is a cloth layer.

Further, the material of the cloth layer comprises at least one of the following: non-woven fabric material, three-proofing fabric material and technical fabric material.

Further, the outer protection layer is detachably connected with the inner filter layer.

Further, the base comprises an upper shell and a lower shell, the upper shell and the lower shell are arranged at an interval, and the filter cartridge is connected between the upper shell and the lower shell.

Further, the air outlet is arranged on the upper shell, and the air outlet direction defined by the air outlet is upward.

Further, the shape of the air outlet comprises at least one of the following: circular, spiral, S-shaped.

Further, the method also comprises the following steps:

and the supporting column is connected between the upper shell and the lower shell.

Furthermore, an inclined plane is arranged between the upper shell and the filter cylinder.

Further, the upper shell, the lower shell and the support columns together enclose a containing space for containing the filter cartridge.

Preferably, the number of the supporting columns is two, and the two supporting columns are arranged oppositely.

Further, the support column is detachably connected with the upper shell and/or the lower shell.

Further, the top and/or the bottom of the supporting column is provided with an insert, and the upper shell and/or the lower shell is provided with a slot, and the insert is inserted into the slot.

Further, the top of the supporting column is provided with a first plug-in unit, the bottom of the upper shell is provided with a first slot for the first plug-in unit to insert into, the bottom of the supporting column is provided with a second plug-in unit, and the top of the lower shell is provided with a second slot for the second plug-in unit to insert into;

wherein the insertion direction of the first card is perpendicular to the insertion direction of the second card.

Further, the filter cartridge is detachably connected with the upper shell and the lower shell;

the lower shell is provided with a slide way, and the filter cartridge can slide into or out of the accommodating space along the transverse direction under the guidance of the slide way.

Furthermore, the filter cartridge comprises an upper connecting piece and a lower connecting piece, and the shape of the upper connecting piece is matched with the shape of the bottom of the upper shell, so that the upper connecting piece can be buckled with the bottom of the upper shell;

the shape of the lower connecting piece is matched with the shape of the top of the lower shell, so that the lower connecting piece can be buckled with the top of the lower shell.

Further, a rolling body is arranged on the surface of the lower shell opposite to the filter cylinder, and the rolling body is in rolling contact with the filter cylinder;

and/or a rolling body is arranged on the surface of the filter cartridge opposite to the lower shell, and the rolling body is in rolling contact with the lower shell.

Further, the rolling body includes a plurality of rolling bodies, and the plurality of rolling bodies are arranged in a dispersed manner.

Further, the top surfaces of a plurality of the rolling bodies are flush. Further, a locking device for locking the filter cartridge and the base relatively is arranged between the filter cartridge and the upper shell and/or the lower shell.

Further, the bottom of the lower shell is provided with rollers.

An embodiment of the present invention further provides another air purification apparatus, including:

the base is provided with an upper shell and a lower shell, and the upper shell is provided with an air outlet;

the filter cartridge comprises an inner filter layer and an outer protective layer, and the outer protective layer is coated on the periphery of the inner filter layer;

wherein the filter cartridge is openly installed between the upper and lower housings such that air directly enters the filter cartridge.

The air purification equipment provided by the embodiment of the invention comprises a base and a filter cartridge, wherein the base is provided with an air outlet, the filter cartridge is connected with the base, the filter cartridge comprises an inner filter layer and an outer protective layer, a cavity for air to flow is enclosed by the filter cartridge and the base, the filter cartridge forms an air inlet, the filter cartridge is arranged between an upper shell and a lower shell in an exposed mode, so that air directly enters the filter cartridge, the filter cartridge is directly contacted with the air, the outer side of the filter cartridge is not shielded, the contact area of the filter cartridge and the air is large, the air is filtered by the filter cartridge to form clean air, and the clean air enters the cavity enclosed by the filter cartridge and the base and is discharged from the air outlet of the base.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an air purification apparatus according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of an air cleaning apparatus provided in an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is an exploded view of a filter cartridge according to an embodiment of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

Furthermore, the term "coupled" is intended to include any direct or indirect coupling. Thus, if a first device couples to a second device, that connection may be through a direct connection, or through an indirect connection via other devices. The following description is of the preferred embodiment for carrying out the invention, and is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the scope of the invention. The scope of the present invention is defined by the appended claims.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

Various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Fig. 1 is a schematic structural diagram of an air purification apparatus according to an embodiment of the present invention; fig. 2 is an exploded schematic view of an air cleaning apparatus provided in an embodiment of the present invention; fig. 4 is an exploded view of a filter cartridge according to an embodiment of the present invention. Referring to fig. 1, fig. 2 and fig. 4, the present embodiment provides an air purifying apparatus, including: a base 10 and a filter cartridge 20. The base 10 has an air outlet 11. The filter cartridge 20 is connected with the base 10, the filter cartridge 20 includes an inner filter layer a and an outer protective layer b, a cavity for air to flow is enclosed by the filter cartridge 20 and the base 10, and the filter cartridge 20 forms an air inlet 21. The filter cartridge 20 is mounted bare on the base 10 so that air directly enters the filter cartridge 20.

Specifically, the base 10 may be supported on a supporting surface such as a floor, a table, etc., and the base 10 may be made of a plastic material to reduce the overall weight of the air purifying apparatus as much as possible. The base 10 may be provided with a power interface for electrical connection to a power source via a power cord.

A fan assembly for accelerating the flow of air in the filter cartridge 20 and the base 10, for example, a motor rotating a fan or a wind wheel, may be provided in the base 10 to accelerate the flow of air and form a predetermined air flow path. When air purification equipment opens, the motor drives fan or wind wheel rotation in the fan subassembly, form pressure, oppression air, make the air get into the fan subassembly from fan subassembly bottom side, on air flow path, cartridge filter 20 is located before the air intake of fan subassembly, the fan subassembly starts the back, the outside contains like fine particles thing, formaldehyde, VOC (volatile organic compounds) etc. are intercepted by cartridge filter 20, become clean air behind cartridge filter 20, and discharge through air outlet 11 on the base 10, thereby reach air-purifying's purpose.

The air outlet 11 of the base 10 may be disposed at any position, such as the bottom of the base 10, the top of the base 10, and the side of the base 10, and the embodiment is not limited thereto.

The filter cartridge 20 is cylindrical as a whole. Specifically, the filter cartridge 20 may be cylindrical, square-cylindrical, or the like, as long as it can surround in the 360 ° direction, and thus, the filter cartridge 20 can intercept air pollutants in the air in the 360 ° direction, thereby purifying the air to the maximum extent.

The inner filter layer a of the filter cartridge 20 may include a HEPA high efficiency airstrainer having an effective rate of 99.7% for 0.1 and 0.3 microns, which is characterized in that air passes through but fine particles do not. The outer inoxidizing coating can be the bed of cloth, and the material on bed of cloth specifically can include non-woven fabrics material, three proofings cloth material and science and technology cloth material. Wherein, the non-woven fabrics is because its cloth manufacturing characteristics, and it can filter great granule pollutant. Three proofings cloth material is the fine cloth of PVC coating glass in essence, and it can play waterproof, grease proofing, antifouling effect when having certain ventilation effect, and the ventilation gas permeability of science and technology cloth material is good, and the clearance of being convenient for can play simultaneously dustproof, filters the effect of large granule pollutant. It is noted that the protective layer requires a better air permeability or a lower air resistance. For example, at a predetermined pressure drop, such as 125pa, the air permeability needs to be greater than 3000 mm/s; alternatively, at a preset wind speed, such as 1m/s, the pressure drop is less than 50 pa. When designing the outer protective layer, one skilled in the art can use any one or more of the above materials to make the outer protective layer according to actual needs.

The outer inoxidizing coating can be dismantled with the inlayer filter layer and be connected, for example joint, magic subsides bond etc. when needs wash cartridge filter 20, can tear down alone with the outer inoxidizing coating and wash, then wash the inlayer filter layer again.

On the basis of the above embodiment, further, the base 10 includes an upper housing 101 and a lower housing 102, the upper housing 101 and the lower housing 102 are oppositely disposed at a distance, and the filter cartridge 20 is connected between the upper housing 101 and the lower housing 102. The upper and

lower cases

101 and 102 may be hollow inside for mounting or housing mechanical or electrical devices. The distance between the upper housing 101 and the lower housing 102 may be equal to the height of the filter cartridge 20, so that the filter cartridge 20 can be just engaged with the upper housing 101 and the lower housing 102 to enclose a cavity for air flow.

A ramp is provided between the upper housing 101 and the filter cartridge 20. Specifically, the inclined surface may be directly provided at the lower portion of the upper housing; or the inclined surface is provided at the upper end of the filter cartridge 20; alternatively, a portion of the ramp is located on the upper housing and a portion is located on the filter cartridge. Through the arrangement of the inclined plane, air is guided into the filter cylinder, so that the air inlet efficiency is better provided; simultaneously, the protection cartridge filter that also can be better of setting up on inclined plane prevents by the barrier collision.

The outlet 11 may be disposed on the upper casing 101, and an air outlet direction defined by the outlet 11 is upward (upward arrow direction shown in fig. 1). In this embodiment, preferably, a fan assembly for accelerating the flow of air may be provided in the upper case 101. The shape of the outlet 11 may include at least one of: circular, spiral, S-shaped. Meanwhile, as shown in fig. 2, the outlet 11 in this embodiment may include a plurality of annular holes 111 coaxially disposed, and the clean air filtered from the filter cartridge 20 is blown upward from the annular holes 111.

On the basis of the above embodiment, as shown in fig. 1 and fig. 2, the present embodiment further includes: and the supporting column 30, the supporting column 30 can be connected between the upper shell 101 and the lower shell 102, and the upper shell 101 and the lower shell 102 are fixedly connected. Specifically, the supporting column 30 may be in a long plate shape, two ends of the supporting column 30 may be detachably connected to the upper casing 101 and/or the lower casing 102, respectively, and the specific detachable connection manner may include one or more of the following: screw connection, buckle connection, splicing, riveting and the like.

In addition, in the present embodiment, it is preferable that the supporting column 30 be a rigid metal member to ensure the structural strength thereof and to stably support the upper casing 101 while keeping the distance between the upper casing 101 and the lower casing 102 constant.

The supporting columns 30 may be disposed in the middle of the upper casing 101 and the lower casing 102, or may be disposed on the side of the upper casing 101 and the lower casing 102, as long as they function to connect the upper casing 101 and the lower casing 102 and support the upper casing 101. In the present embodiment, as shown in fig. 1 and 2, it is preferable that the support columns 30 are located at the sides of the upper and

lower cases

101 and 102, and further, the support columns 30 may include two, the two support columns 30 are oppositely disposed at the sides of the upper and

lower cases

101 and 102, and the structural shapes of the two support columns 30 may be the same.

The supporting columns 30 have a certain thickness, and the upper casing 101 and the lower casing 102 may have an avoiding portion for accommodating the supporting columns 30 at least in the thickness direction, and the avoiding portion is used for making the outer surfaces of the supporting columns 30 flush with the side walls of the upper casing 101 and the lower casing 102 in the installed state, so as to improve the aesthetic degree of the air purifying apparatus as a whole. Specifically, for example, the upper housing 101 has a first avoiding portion 1011, and the first avoiding portion 1011 may be a groove formed by partially recessing an outer side wall of the upper housing 101. The lower housing 102 has a second escape portion 1021, and in particular, in the present embodiment, the bottom of the supporting column 30 is detachably connected to the first extending wall 102a and the second extending wall 102b on the top of the lower housing 102. And a predetermined lateral distance is formed between an outer side wall of the first extension wall 102a, an outer side wall of the second extension wall 102b, and an outer side wall of the lower case 101, and the predetermined lateral distance forms a second escape portion 1021.

FIG. 3 is an enlarged view taken at A in FIG. 2; as shown in fig. 2 and 3, the top and/or bottom of the support column 30 may have an insert, and the upper case 10 and/or the lower case 20 may have a slot into which the insert is inserted, and the support column 30 is detachably coupled to the upper case 10 and/or the lower case 20. Specifically, the top of the supporting column 30 has a first insert 31, and the bottom of the upper housing 10 has a first slot (not shown) for inserting the first insert 31, as shown in fig. 2, the first insert 31 may be an insert column. Of course, the first insert 31 may also be a slip as an alternative. The bottom of the support column 30 has a second card (not shown), and the top of the lower housing 20 has a second slot 22 (shown in fig. 3) into which the second card is inserted. Wherein the insertion direction of the first card 31 is perpendicular to the insertion direction of the second card. As shown in fig. 2, the insertion direction of the first card 31 is vertical, and the insertion direction of the second card is horizontal. Thus, the device is provided with

The above-mentioned cooperation through plug-in components and slot both made things convenient for the dismouting of support column 30, can further improve connection stability to and good location.

In addition, the inner surface of the support column 30 can also conform to or maintain a small gap with the outer surface of the filter cartridge 20, and the shape of the inner surface of the support column 30 can match the shape of the outer surface of the filter cartridge 20.

In the preferred embodiment, the filter cartridge 20 may be square-tube-shaped, and correspondingly, the cross-sections of the upper housing 102 and the lower housing 102 may be square. The upper housing 101, the lower housing 102, and the support column 30 may collectively define a receiving space for receiving the filter cartridge 20. Thus, the filter cartridge 20 can be restricted at least in the up, down, left, and right directions.

The filter cartridge 20 can be detachably connected to the upper housing 101 and the lower housing 102, specifically, the top of the filter cartridge 20 is detachably connected to the upper housing 101, the bottom of the filter cartridge 20 is detachably connected to the lower housing 102, and the filter cartridge 20 can be integrally detached from the base 10, so as to clean and maintain the filter cartridge 20.

A slide may be formed on the lower housing 102, and the filter cartridge 20 can slide into or out of the receiving space in a lateral direction under the guide of the slide. Wherein "lateral" means perpendicular to the height direction of the air cleaning apparatus.

As shown in fig. 2, the edge of the top surface of the lower case 102 may include a first extension wall 102a, a second extension wall 102b, and a third extension wall 102c extending upward, wherein the first extension wall 102a and the second extension wall 102b are oppositely disposed and correspond to the positions of the two support columns 30, and the third extension wall 102c is located between the first extension wall 102a and the second extension wall 102b, and an open end 102d is formed on the side of the top surface of the lower case 102 opposite to the third extension wall 102 c. The first extending wall 102a, the second extending wall 102b and the third extending wall 102c may define a slide way for the filter cartridge 20 to slide, and similarly, a similar slide way may also be formed on the top surface of the lower housing 102 on the bottom surface of the upper housing 101, which may refer to the arrangement manner of the lower housing 102 specifically, or may be designed according to practical situations, and the present embodiment is not limited thereto.

To facilitate the coupling of the filter cartridge 20 with the upper and

lower housings

101 and 102, as shown in fig. 4, an upper coupling member 20a may be provided at an upper portion of the filter cartridge 20, a lower coupling member 20b may be provided at a lower portion of the filter cartridge 20, the upper coupling member 20a may have an engaging portion formed thereon to match the shape of the bottom edge of the upper housing 101, and the lower coupling member 20b may have an engaging portion formed thereon to match the shape of the top edge of the lower housing 102. Correspondingly, the lower connector 20b of the filter cartridge 20 can be just fastened to the top of the lower housing 102, and the upper connector 20a of the filter cartridge 20 can be just fastened to the bottom of the upper housing 101.

Therefore, the filter cartridge 20 can be guided by the slide ways to extend into or out of the accommodating space defined by the upper housing 101, the lower housing 102 and the support columns 30 from the open end 102d, so as to facilitate the assembly and disassembly of the filter cartridge 20.

Further, rolling bodies 1022 may be provided on a surface of the lower housing 102 opposite to the filter cartridge 20, the rolling bodies 1022 being in rolling contact with the filter cartridge 20; and/or rolling elements are provided on the surface of the filter cartridge 20 opposite to the lower housing 102, the rolling elements being in rolling contact with the lower housing 102. Specifically, rolling elements 1022 may include one or more of rollers, balls, and rollers.

Preferably, the rolling body 1022 includes a plurality of rolling bodies 1022 arranged in a dispersed manner. The arrangement of the plurality of rolling bodies 1022 in a dispersed manner may provide a large rolling contact surface between the filter cartridge 20 and the lower housing 102, thereby improving contact smoothness between the filter cartridge 20 and the lower housing 102.

And further, the top surfaces of the plurality of rolling bodies 1022 are flush. This allows the plurality of rolling elements 1022 to form a stable rolling plane, and the filter cartridge 20 is less likely to rattle on the rolling elements 1022, thereby reducing the operation burden on the user to a certain extent.

By providing the rolling element 1022 in rolling contact with the filter cartridge 20 on the lower housing 102, and/or providing the rolling element in rolling contact with the lower housing 102 on the filter cartridge 20, the friction between the filter cartridge 20 (specifically, the lower connecting member 20b) and the lower housing 102 can be effectively reduced, so that the filter cartridge 20 can be smoothly mounted on the base 10, and can be smoothly separated from the base 10, thereby improving the assembling and disassembling efficiency of the filter cartridge 20, and improving the user experience.

Further, a locking means 40 for locking the filter cartridge 20 with respect to the base 10 is provided between the filter cartridge 20 and the upper housing 101 and/or the lower housing 102. The locking means 40 may be a push button latch which is depressed and the filter cartridge 20 is then moved out in a predetermined sliding direction when the operator needs to remove the filter cartridge 20 from the base 10. The locking device 40 may also be any other type of lock, as long as it can lock the filter cartridge 20 with respect to the upper housing 101 and/or the offline housing 102, and it can be designed by those skilled in the art according to the needs.

In addition, for ease of operation, a handle 22 is provided on the filter cartridge 20, and the handle 22 may be used for an operator to hold to actuate the filter cartridge 20 into and out of engagement with the base 10. Specifically, cartridge filter 20 can slide in accommodation space, and the protruding direction of handle 22 can be unanimous with cartridge filter 20's slip direction, and the bottom of casing 102 still is equipped with gyro wheel 1023 down, and the quantity of gyro wheel 1023 can be at least two, through the setting of gyro wheel 1023, can be convenient for remove whole air purification equipment to make things convenient for the user to remove air purification equipment to required position, improve user experience.

The air purification equipment of this embodiment, through cancellation air inlet grid to design filter media (cartridge filter 20) into 360 anchor ring air inlets, effectively increase air inlet area, air purification performance improves about 10%, simultaneously, when carrying out the dismouting to the filter media, only need with locking device operation in the unblock state, then with cartridge filter 20 along transversely take out can, reduce take off the step of air inlet grid, easy and simple to handle.

The following describes the air purification apparatus provided in the embodiment of the present invention with reference to specific application scenarios:

application scenarios:

the user places this air purification equipment in indoorly, and start, fan subassembly operation in the air purification equipment, inhale the outside air that contains more pollutant from the cartridge filter, and discharge through the air outlet on upper portion, after using for a long time, the user can switch into unlocking state with locking device, for example, press the hasp button, make cartridge filter and base release the locking, then, the user holds the handle, with the cartridge filter from the base transversely take out can, thereby can wash the cartridge filter alone, the back of finishing washing, the user holds the handle, with the cartridge filter along transversely propping the accommodation space who pushes away the base, then lock cartridge filter and base through locking device.

When need remove air purification equipment to other space regions and carry out air purification, can directly promote air purification equipment, because air purification equipment bottom has the gyro wheel, the user does not need great strength also can easily promote when promoting this air purification equipment, can effectively improve user experience.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An air purification apparatus, comprising:

a base having an air outlet;

2. The air purification apparatus of claim 1, wherein a handle is provided on the filter cartridge, the handle being configured to be held by an operator to actuate the filter cartridge into and out of engagement with the base.

3. The air purification apparatus of claim 1, wherein the outer protective layer covers an outer periphery of the inner filter layer.

4. The air purification apparatus of claim 1, wherein the outer protective layer is a cloth layer.

5. The air purification apparatus of claim 4, wherein the material of the cloth layer comprises at least one of: non-woven fabric material, three-proofing fabric material and technical fabric material.

6. The air purification apparatus of claim 1, wherein the outer protective layer is removably connected to the inner filter layer.

7. The air purification apparatus according to claim 1, wherein the base includes an upper housing and a lower housing, the upper housing being spaced apart from the lower housing, the filter cartridge being connected between the upper housing and the lower housing.

8. The air purification apparatus as claimed in claim 7, wherein the air outlet is disposed in the upper housing, and an air outlet direction defined by the air outlet is upward.

9. The air purification apparatus of claim 8, wherein the shape of the air outlet comprises at least one of: circular, spiral, S-shaped.

10. The air purification apparatus according to claim 1, further comprising:

11. The air purification apparatus of claim 10, wherein a chamfer is provided between the upper housing and the filter cartridge.

12. The air purification apparatus according to claim 10, wherein the upper housing, the lower housing, and the support columns collectively enclose a housing space for housing the filter cartridge.

13. The air purification apparatus of claim 12, wherein the support columns comprise two, the two support columns being disposed opposite to each other.

14. The air purification apparatus of claim 13, wherein the support post is removably coupled to the upper housing and/or the lower housing.

15. The air purification apparatus of claim 14, wherein the top and/or bottom of the support post has an insert, and the upper housing and/or the lower housing has a slot thereon, the insert being inserted into the slot.

16. The air purification apparatus according to claim 15, wherein the top of the support column has a first insert, the bottom of the upper housing has a first insert slot into which the first insert is inserted, the bottom of the support column has a second insert slot, and the top of the lower housing has a second insert slot into which the second insert is inserted;

17. The air purification apparatus according to claim 12, wherein the filter cartridge is detachably coupled to the upper and lower housings;

18. The air purification apparatus according to claim 17, wherein the filter cartridge includes an upper connection member and a lower connection member, the upper connection member having a shape matching a shape of a bottom of the upper housing so that the upper connection member can be fastened to the bottom of the upper housing;

19. The air cleaning apparatus according to claim 17, wherein a rolling body is provided on a surface of the lower housing opposite to the filter cartridge, the rolling body being in rolling contact with the filter cartridge;

20. The air cleaning apparatus according to claim 19, wherein the rolling body includes a plurality of rolling bodies arranged dispersedly.

21. The air cleaning apparatus according to claim 20, wherein top surfaces of a plurality of the rolling bodies are flush.

22. The air purification apparatus according to claim 17, wherein a locking device for locking the filter cartridge with respect to the base is provided between the filter cartridge and the upper housing and/or the lower housing.

23. The air cleaning apparatus according to claim 7, wherein the bottom of the lower case is provided with rollers.

24. An air purification apparatus, comprising: