CN110537872A

CN110537872A - HEPA self-cleaning device and HEPA cleaning method

Info

Publication number: CN110537872A
Application number: CN201910797216.8A
Authority: CN
Inventors: 郭振科; 张如
Original assignee: Chuangchuang Science And Technology (suzhou) Co Ltd
Current assignee: Chuangchuang Science And Technology (suzhou) Co Ltd; Zhuichuang Technology Suzhou Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2019-12-06
Also published as: WO2021036040A1

Abstract

The invention provides a HEPA self-cleaning device, which comprises a rotary cleaning body for cleaning a HEPA component; the rotary cleaning body comprises a frame structure for placing the HEPA component and an air duct structure; wherein, the air duct structure is communicated with an air source; when the HEPA component is placed in the frame structure, the air source works to form air flow from the outside to the inside of the HEPA component, so that dirt on the HEPA component is sucked into the air channel structure and is discharged from the air channel structure. The invention also relates to a HEPA cleaning method. The invention utilizes the air duct structure to combine with the suction assembly of the dust suction device to form the cleaning air flow for the HEPA, realizes the separation of the dirt attached to the HEPA, thereby achieving the purpose of cleaning the HEPA, and can combine with the dust suction structure to collect the dirt of the HEPA, thereby realizing the automatic and high-efficiency cleaning of the HEPA. The invention improves the overall user experience, has smart design and reasonable structure, and is convenient for popularization and application in the field of dust collection.

Description

HEPA self-cleaning device and HEPA cleaning method

Technical Field

The invention belongs to the field of intelligent cleaning, and particularly relates to a HEPA self-cleaning device and a HEPA cleaning method.

Background

The HEPA is a high-efficiency filter, can block tiny dust, has low air permeability with the efficiency of 99.97 percent, and is made into a wave shape to increase the air permeability area. Some of these filter materials can be repeatedly cleaned. Any filter material has a "life", that is, the micropores of the filter material have been blocked by small particles of dust after a long period of use. The conventional HEPA cleaning device is mostly manual cleaning, and because the HEPA cleaning device cannot be directly washed by water, the manual cleaning effect is difficult to meet the requirement, and meanwhile, secondary pollution to the environment is very easy to cause.

In view of this, it is highly desirable to design a HEPA cleaning structure for a dust suction device.

disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the self-cleaning device of the HEPA, which utilizes the air duct structure to combine with the self suction component of the dust suction device to form the cleaning air flow of the HEPA, thereby realizing the separation of dirt attached to the HEPA, further achieving the purpose of cleaning the HEPA, and can combine with the self dust suction structure to collect the dirt of the HEPA, thereby realizing the automatic and high-efficiency cleaning of the HEPA.

the invention provides a HEPA self-cleaning device, which comprises a rotary cleaning body for cleaning a HEPA component; the rotary cleaning body comprises a frame structure for placing a HEPA component and an air duct structure; wherein the content of the first and second substances,

the air channel structure is communicated with an air source; when the HEPA component is placed in the frame structure, the air source works to form air flow penetrating through the HEPA component along the radial direction, so that dirt on the HEPA component is sucked into the air channel structure and is discharged from the air channel structure.

Preferably, the revolving cleaning body further comprises a rotating structure body, and the rotating structure body is mounted on the frame structure; the rotating structural body is configured to be driven to rotate by an external force to form vibration on the HEPA component.

preferably, the rotating structural body extends into the HEPA assembly.

preferably, the rotating structure body comprises a rotating body and a cleaning poking sheet; wherein the content of the first and second substances,

the cleaning poking sheet is arranged on the rotary side wall of the rotary body and extends outwards from the rotary body;

The rotating structure body is driven by external force to rotate, so that the scraping blade of the cleaning poking piece repeatedly vibrates the sea handkerchief paper of the sea handkerchief component to clean the sea handkerchief paper.

Preferably, the frame structure comprises a hollow first housing, an annular first mounting ring; wherein the first mounting ring is used for bearing a HEPA component; the first outer cover is fixedly connected with the first mounting ring to form a wrapping structure of the HEPA component.

preferably, the inner wall of the first outer cover is provided with a connecting structure for fixing the HEPA component.

Preferably, the air duct structure comprises a first air guide cover and a bottom cover; the rotating structure body is fixedly installed with the first wind scooper through a rotating shaft assembly; the surface of the first wind scooper is provided with a wind guide opening; the first air guide cover and the bottom cover form a cavity structure, so that dirt enters the cavity from the air guide opening and is discharged from the cavity.

Preferably, the air guide opening protrudes out of the first surface of the first air guide cover.

preferably, the sectional area of the air guide opening protruding from the first surface is gradually reduced along the rotation direction of the rotating structure body.

Preferably, the inner wall of the bottom cover is also provided with an air deflector.

Preferably, the air duct structure further comprises an impeller; the impeller is arranged in the cavity; the impeller is driven to rotate by external force so as to form driving force of the rotating structure body.

Preferably, the bottom cover is of a hollow structure and comprises a cylinder wall used for connecting the dust suction device.

Preferably, the cartridge wall is arranged eccentrically with respect to the axis of rotation of the rotating structural body.

Preferably, the cylinder wall is provided with a side rib for limiting.

A HEPA cleaning method comprises the following steps:

Taking out the HEPA component to be cleaned from the dust suction device;

Placing the HEPA component to be cleaned into a HEPA self-cleaning device;

installing the HEPA self-cleaning device to an air inlet of a dust suction device;

And starting the dust suction device, and cleaning the HEPA component to be cleaned by means of the suction force of the dust suction device.

compared with the prior art, the invention has the beneficial effects that:

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic view of the structure of the HEPA self-cleaning device of the present invention installed in the HEPA;

FIG. 2 is a schematic view of the overall structure of the HEPA self-cleaning device of the present invention;

FIG. 3 is a schematic structural diagram of HEPA;

FIG. 4 is an exploded view of an exemplary HEPA self-cleaning device;

FIG. 5 is a schematic view of a partial structure of a HEPA self-cleaning device according to an embodiment of the present invention;

FIG. 6 is a bottom view of the HEPA self-cleaning device in one embodiment of the present invention;

FIG. 7 is a schematic view of a bottom cover structure according to an embodiment of the present invention;

FIG. 8 is a schematic view of a first wind scooper according to an embodiment of the present invention;

FIG. 9 is a schematic view of the entire structure of the rotating structure body according to the present invention;

FIG. 10 is a partial structural view of a rotating structural body according to the present invention;

FIG. 11 is a schematic view of the cleaning pick of the present invention;

FIG. 12 is a top view of the rotating structural body of the present invention;

FIG. 13 is a schematic view of the cleaning of the handkerchief paper by the rotating structural body according to one embodiment of the invention;

FIG. 14 is a schematic view of the overall assembly of a hand-held cleaner incorporating the invention;

Shown in the figure:

The cleaning device comprises a rotary cleaning body 100, a rotary structure body 110, a rotary body 111, a first groove 1111, a first stop 1112, a side conical surface 1113, a cleaning pick 112, a first protrusion 1121, a first recess 1122, a scraping blade 1123, a rotating shaft assembly 120, a first nut 121, a first bearing 122, a first outer cover 130, a connecting structure 131, a grid hole 132, a bottom cover 140, a cylinder wall 141, a side rib 142, an air deflector 143, an impeller 150, a first air deflector 160, an air guide opening 161, a first surface 162, a shaft hole 163, a first mounting ring 170, a sealing ring 180, a handkerchief assembly 200, a handkerchief paper 210, a connecting protrusion 220 and a handheld dust collector 300.

Detailed Description

the foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

The HEPA self-cleaning device, as shown in FIGS. 1-3, includes a rotary cleaning body 100 for cleaning a HEPA assembly 200; the rotary cleaning body 100 comprises a frame structure for placing the HEPA component 200 and an air duct structure; wherein the content of the first and second substances,

the air duct structure is communicated with an air source; when the HEPA assembly 200 is placed in the frame structure, the air source works to form an air flow penetrating through the HEPA assembly 200 in the radial direction, so that dirt on the HEPA assembly 200 is sucked into the air duct structure and is discharged from the air duct structure. In this embodiment, the suction assembly of the dust collector itself is used as the air source, and the suction assembly works to form a clean air flow to the HEPA assembly 200, so that the dirt in the HEPA assembly 200 is sucked into the air duct structure and is sucked into the dust collector through the air duct structure, thereby achieving the effect of quickly cleaning the HEPA; the flexible replacement of the HEPA is realized by matching a plurality of replaceable HEPA components 200; after replacement, the cleaning can be realized quickly and efficiently, and the secondary pollution caused by manual cleaning is avoided.

as shown in fig. 14, the rotary cleaning body 100 with the hyphos assembly 200 mounted thereon is connected to a dust suction port of the hand-held cleaner 300, it should be understood that the dust suction port may be configured as a housing as shown in fig. 14, and may also be used as a dust suction port through an end of an extension structure (such as a dust suction hose or an extension rod), without limiting the scope of protection of the structure in the drawing.

in a preferred embodiment, as shown in fig. 2, the revolving cleaning body 100 further includes a rotating structure body 110, the rotating structure body 110 is mounted on the frame structure; the rotating structure body 110 extends into the HEPA assembly 200 and is driven to rotate by external force to generate vibration to the HEPA assembly 200.

as shown in fig. 9, the cleaning device comprises a rotating structure body 110 driven by an external force, wherein the rotating structure body 110 comprises a rotating body 111 and a cleaning poking sheet 112; wherein the content of the first and second substances,

The cleaning plectrum 112 is arranged on the rotary side wall of the rotary body 111, and the cleaning plectrum 112 extends out of the rotary body 111;

The rotating structure body 110 is driven to rotate by an external force, so that the scraping blade 1123 of the cleaning pick 112 repeatedly vibrates the handkerchief paper 210 of the handkerchief assembly 200 to clean the handkerchief paper 210. In the present embodiment, the rotating structure body 110 may be connected to a rotating power assembly through a rotating shaft, wherein the rotating power assembly may include a rotating motor, a coupling, a bearing, a gear structure, a speed reducing structure, and the like, for outputting a torque to drive the rotating body 111 to rotate. In this embodiment, the wiper blade 1123 is an interference fit with the paper 210 during cleaning to ensure that the wiper blade 1123 remains in contact with the paper 210 during rotation.

as shown in fig. 2, 12 and 13, the rotating structure body 110 extends into the hypa assembly 200, the cleaning pick 112 is driven by the rotating body 111 to be centrifuged, so that the scraping blade 1123 of the cleaning pick 112 contacts the hypa paper 210 of the hypa assembly 200, the inner hypa paper 210 is vibrated repeatedly in a circulating manner, so that the hypa paper 210 is continuously vibrated, dirt adsorbed on the hypa paper 210 is separated from the hypa paper 210, the function of cleaning the hypa assembly 200 is achieved, meanwhile, the rotation of the cleaning pick 112 plays a role of guiding flow, and the separated dirt is sucked away through the dust suction structure of the cleaning device; in an embodiment, as shown in fig. 8, an impeller 150 may be fixed to the lower end of the rotating shaft 120 connected to the rotating body 111, so that the impeller 150 rotates synchronously while the rotating body 111 rotates, and a guiding airflow is formed to facilitate the separated dirt to be sucked away. It should be understood that other suction structures are not shown, and any structure or device capable of creating a negative pressure or airflow direction can produce the above technical effects, and should not be construed as technically impractical or as technically unclear.

in a preferred embodiment, as shown in fig. 9, 10 and 12, the rotating body 111 has a tapered structure. In the present embodiment, the side tapered surface 1113 of the rotating body 111 functions to reduce wind resistance during rotation, thereby reducing power loss.

In an embodiment, the cleaning pick 112 and the rotating body 111 are integrally manufactured and fixed (not shown), the cleaning pick 112 and the rotating body 111 can be integrally formed by injection molding, when the rotating body 111 rotates, the cleaning pick 112 rotates, and at this time, the cleaning pick 112 and the rotating body 111 form a rigid structure, and the overall strength of the structure is high.

In a preferred embodiment, as shown in FIGS. 9-13, the rotating side wall of rotating body 111 is provided with a first recess 1111 for retaining cleaning pick 112. A first protrusion 1121 is disposed on one side of the cleaning pick 112; the first protrusion 1121 is used to cooperate with the first recess 1111, so that the cleaning pick 112 is fixed on the rotating sidewall of the rotating body 111. In this embodiment, the cleaning pick 112 is fixedly connected to the rotating body 111 through a snap structure, a protruding structure may be further disposed on the rotating body 111, and the cleaning pick 112 is provided with a groove structure for snap-fitting, so as to fixedly connect the cleaning pick 112 and the rotating body 111; it should be understood that the position of the first protrusion 1121 includes, but is not limited to, the end of the rotating body 111, and any position for forming the snap connection is within the scope of the present invention; it should also be understood that the shape of the first protrusion 1121 includes, but is not limited to, a cylindrical structure, and any shape for forming a snap structure is within the scope of the present invention.

in a preferred embodiment, as shown in fig. 11, cleaning pick-up 112 is further provided with a first recess 1122, and the first recess 1122 allows the cleaning pick-up 112 to be bent under an external force. The cleaning poking sheet 112 can be bent within the range of 90-180 degrees under the action of external force. The cleaning pick 112 is made of soft material of rubber or silica gel; the cleaning pick 112 extends outward of the rotary body 111 in a triangular shape as a whole. In the embodiment, the first recess 1122 is located between the first protrusion 1121 and the scraping blade 1123, so that the scraping blade 1123 can be bent under the action of an external force, and when the scraping blade 1123 is separated from contact with one of the folds of the hepa paper 210 in the actual cleaning process of the hepa paper 210, the scraping blade 1123 bends toward the next fold under the action of inertia until the next fold is contacted due to disappearance of the contact force; thereby realizing a certain buffer function and preventing the wiper blade 1123 from damaging the handkerchief paper 210.

in a preferred embodiment, as shown in fig. 10 and 13, the rotating body 111 further includes a first stopper 1112, and the first stopper 1112 is configured to abut against the scraping blade 1123 to form a supporting structure of the cleaning blade 112. In this embodiment, a first stopper 1112 is formed extending from one side of the first groove 1111; the first stopper 1112 serves as a support of the blade 1123 from coming into contact with the wrinkles of the handkerchief paper 210 to coming out of contact during cleaning, and serves to increase the rigidity of the blade 1123 and ensure the cleaning effect.

in a preferred embodiment, as shown in fig. 4, the frame structure includes a hollow first housing 130, a ring-shaped first mounting ring 170; wherein the first mounting ring 170 is used to carry the hypa assembly 200; the first cover 130 is fixedly connected to the first mounting ring 170 to form a covering structure of the HEPA assembly 200. In this embodiment, the first cover 130 and the first mounting ring 170 are engaged with each other to form a structure surrounding the hpa assembly 200; a sealing ring 180 is further arranged between the first mounting ring 170 and the HEPA component 200; on one hand, the sealing ring 180 serves to elastically support the HEPA assembly 200, and allows a certain elasticity to be formed when the HEPA assembly 200 is installed, thereby facilitating installation; on the other hand, the sealing ring 180 increases the frictional force against the bottom surface of the HEPA assembly 200 to prevent rotation during continuous contact of the wiper blade 1123, improving cleaning efficiency.

As shown in fig. 4, the inner wall of the first housing 130 is provided with a connection structure 131 for fixing the hypa assembly 200. In the present embodiment, the connecting structure 131 includes, but is not limited to, a snap structure, a fastener (e.g., a screw, a pin) fixing structure, and a threaded connecting structure, and any structure for forming a fixed connection between the first housing 130 and the hpa assembly 200 is within the scope of the present invention. In one embodiment, as shown in fig. 3, the connection protrusions 220 on the outer wall of the HEPA assembly 200 are matched with the connection structures 131 to realize the quick fixation of the HEPA assembly 200 and the first outer cover 130. As shown in fig. 4, the first cover 130 has a plurality of holes 132 formed on the surface thereof for forming an air flow corresponding to the wrinkles of the paper handkerchief 210, thereby improving the cleaning efficiency.

referring to fig. 4-8, the air duct structure includes a first wind scooper 160 and a bottom cover 140; the rotating structure body 110 is fixedly installed with the first wind scooper 160 through the rotating shaft assembly 120; the surface of the first wind scooper 160 is provided with a wind guide opening 161; the first wind scooper 160 and the bottom cover 140 form a cavity structure, so that the dirt enters the cavity from the wind scooper 161 and is discharged from the cavity. In the present embodiment, the first wind scooper 160 is used to form a fixing structure of the rotating structure body 110, the rotating shaft of the rotating shaft assembly 120 is fixed to the inner wall of the first wind scooper 160 through the first bearing 122, and as shown in fig. 5 and 8, the rotating shaft of the rotating shaft assembly 120 passes through the shaft hole 163 of the first wind scooper 160 and is fixedly connected to the rotating body 111.

as shown in fig. 8, the air scoop 161 protrudes from the first surface 162 of the first air scoop 160. In the embodiment, the two air guiding openings 161 are symmetrically distributed on two sides of the rotating body 111, and the direction of the air guiding opening 161 is opposite to the rotating direction of the rotating body 111 to form a uniform air flow direction, so as to facilitate the suction of the dirt. In a preferred embodiment, as shown in fig. 8, the sectional area of the air guiding opening 161 protruding from the first surface 162 is gradually reduced along the rotation direction of the rotating structure body 110, and the size of the air guiding opening 161 changes along with the airflow direction, so as to form a spiral airflow, increase the probability of the airflow contacting with dirt, and improve the cleaning effect.

As shown in fig. 7, the inner wall of the bottom cover 140 is further provided with a wind deflector 143. In a preferred embodiment, the air duct structure further comprises an impeller 150; the impeller 150 is mounted in the cavity; the external force drives the impeller 150 to rotate to form a driving force for rotating the structural body 110. In the present embodiment, the air deflector 143 is disposed between the impeller 150 and the cylinder wall 141 of the bottom cover 140 to further form a spiral air flow. As shown in fig. 7, a side rib 142 for limiting is disposed on the cylinder wall 141, and the bottom cover 140 and the dust suction device are quickly mounted and limited by the side rib 142.

it should be noted that, in the present embodiment, the impeller 150 is pushed to form a rotary motion under the action of the suction assembly of the dust suction device; the impeller 150 is fixedly connected with the rotating shaft assembly 120, and the rotating shaft assembly 120 forms a driving force for rotating the rotating structure body 110 under the driving of the impeller 150; as shown in fig. 6, the impeller 150 is fixed to a rotation shaft end portion of the rotation shaft assembly 120 by a first nut 121. It should be understood that the impeller 150 and the rotating structure body 110 can also be driven by a separate rotating driving device, not shown in the drawings, and any structure capable of generating a rotating motion can generate the above technical effects, which should not be construed as technically impossible or unclear.

As shown in fig. 5 to 7, the bottom cover 140 has a hollow structure, and the bottom cover 140 includes a cylinder wall 141 for connecting a dust suction device. In a preferred embodiment, as shown in FIG. 6, the cartridge wall 141 is eccentrically disposed with respect to the axis of rotation of the rotating structural body 110. In this embodiment, the inner contour of the cylinder wall 141 deviates from the center of the upper contour of the bottom cover 140, which facilitates the formation of a cyclone to quickly form a spiral air flow; meanwhile, better aerodynamic benefits are achieved by matching with the air deflector 143. It should also be appreciated that the eccentric arrangement facilitates direction recognition by the user and the manufacturer, providing good fool-proofing.

A HEPA cleaning method comprises the following steps:

the HEPA assembly 200 to be cleaned is taken out of the dust suction device, and in one embodiment, after the HEPA assembly 200 is taken out of the dust suction device, a new filter assembly (which can be a clean HEPA assembly and can also be a customized filter element assembly) can be put in; it will be appreciated that the suction of the suction unit may be used for cleaning without the inclusion of a new filter assembly.

Placing the HEPA component 200 to be cleaned into the HEPA self-cleaning device; in one embodiment, as shown in fig. 1, the HEPA assembly 200 is fixed in the rotary cleaning body 100 by a snap-fit structure to form a rigid connection therebetween.

installing the HEPA self-cleaning device to an air inlet of a dust suction device; in one embodiment, as shown in fig. 14, the rotary cleaning body 100 is installed at an air inlet of the hand-held cleaner 300.

The dust suction device is started, and the HEPA assembly 200 to be cleaned is cleaned by means of the suction force of the dust suction device. During cleaning, the suction force of the dust suction device forms an airflow along the radial direction of the assembly 200, and simultaneously, the assembly 200 is efficiently and quickly cleaned by matching with the flapping vibration of the scraping blade 1123.

The invention utilizes the air duct structure to combine with the suction component of the dust suction device to form the cleaning air flow for the HEPA, realizes the separation of the dirt attached to the HEPA, and simultaneously realizes the separation of the dirt attached to the HEPA by continuously vibrating the HEPA through the rotating cleaning plectrum, thereby achieving the purpose of cleaning the HEPA, and can combine with the dust suction structure to collect the dirt of the HEPA, thereby realizing the automatic and high-efficiency HEPA cleaning. The invention improves the overall user experience, has smart design and reasonable structure, and is convenient for popularization and application in the field of dust collection.

the foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. HEPA SELF-CLEANING DEVICE, comprising a rotary cleaning body (100) for cleaning a HEPA assembly (200); the method is characterized in that: the rotary cleaning body (100) comprises a frame structure for placing the HEPA component (200) and an air duct structure; wherein the content of the first and second substances,

The air channel structure is communicated with an air source; when the HEPA assembly (200) is placed on the frame structure, the air source works to form air flow penetrating through the HEPA assembly (200) along the radial direction, so that dirt on the HEPA assembly (200) is sucked into the air channel structure and is exhausted from the air channel structure.

2. The hepa self-cleaning apparatus as recited in claim 1, wherein: the rotary cleaning body (100) further comprises a rotary structure body (110), and the rotary structure body (110) is mounted on the frame structure; the rotating structural body (110) is configured to be driven to rotate under an external force to form vibration on the HEPA component (200).

3. the hepa self-cleaning apparatus as recited in claim 2, wherein: the rotating structure body (110) extends into the HEPA component (200).

4. The hepa self-cleaning apparatus as recited in claim 2, wherein: the rotating structure body (110) comprises a rotating body (111) and a cleaning poking sheet (112); wherein the content of the first and second substances,

the cleaning poking sheet (112) is arranged on the rotary side wall of the rotary body (111), and the cleaning poking sheet (112) extends outwards from the rotary body (111);

the rotating structure body (110) is driven to rotate by external force, so that the scraping blade (1123) of the cleaning poking sheet (112) repeatedly vibrates the handkerchief paper (210) of the handkerchief component (200) to clean the handkerchief paper (210).

5. The hepa self-cleaning apparatus as recited in claim 1, wherein: the frame structure comprises a hollow first outer cover (130) and an annular first mounting ring (170); wherein the first mounting ring (170) is for carrying a HEPA assembly (200); the first outer cover (130) is fixedly connected with the first mounting ring (170) to form a wrapping structure of the HEPA assembly (200).

6. The hepa self-cleaning apparatus as recited in claim 2, wherein: the air duct structure comprises a first air guide cover (160) and a bottom cover (140); the rotating structure body (110) is fixedly installed with the first wind scooper (160) through a rotating shaft assembly (120); the surface of the first air guiding cover (160) is provided with an air guiding opening (161); the first air guiding cover (160) and the bottom cover (140) form a cavity structure, so that dirt enters the cavity from the air guiding opening (161) and is discharged from the cavity.

7. The hepa self-cleaning apparatus as recited in claim 6, wherein: the air guide opening (161) protrudes out of the first surface (162) of the first air guide cover (160); the sectional area of the air guide opening (161) protruding out of the first surface (162) is gradually reduced along the rotation direction of the rotating structure body (110).

8. The hepa self-cleaning apparatus as recited in claim 6, wherein: the inner wall of the bottom cover (140) is also provided with an air deflector (143); the bottom cover (140) is of a hollow structure, and the bottom cover (140) comprises a cylinder wall (141) used for connecting a dust suction device; the cylinder wall (141) is arranged eccentrically with respect to the axis of rotation of the rotating structural body (110); the cylinder wall (141) is provided with a side rib (142) for limiting.

9. the hepa self-cleaning apparatus as recited in claim 6, wherein: the air duct structure further comprises an impeller (150); the impeller (150) is mounted in the cavity; the impeller (150) is driven to rotate by external force so as to form driving force of the rotating structure body (110).

10. A HEPA cleaning method is characterized by comprising the following steps:

Taking out the HEPA component (200) to be cleaned from the dust suction device;

Placing a HEPA assembly (200) to be cleaned into a HEPA self-cleaning device as claimed in any one of claims 1 to 9;

Installing the HEPA self-cleaning device to an air inlet of the dust suction device;

And starting the dust suction device, and cleaning the HEPA component (200) to be cleaned by means of the suction force of the dust suction device.