Air purifying device, self-moving air purifier and air purifying system

Abstract

The utility model discloses an air purification device, self -moving air purifier and air purification system. Air purification device includes the casing, and the casing is defined with the accommodation space, and the accommodation space includes dust storage space. Suction motor is used to produce suction air flow. Air purification device includes at least one air inlet, and the air flow enters the accommodation space through the air inlet. Air purification device still includes at least one filter, and the air flow that enters from the air inlet is filtered, and the dirt after filtering is stored in dust storage space. The ash scraping subassembly of filter outer periphery is established, and the ash scraping subassembly can move in first position and second position, is used for scraping at least part of dirt on the filter surface. At least part of the air inlet is located between the first position and the second position. At least part of the air inlet is arranged in the first position and the second position, and the air flow enters the filter directly to ensure that the ash scraping subassembly carries out the more comprehensive processing to the filter.

Description

Technical Field

[0001] This utility model relates to the field of air purification, and in particular to an air purification device, a self-propelled air purifier, and an air purification system. Background Technology

[0002] An air purifier is a device that uses filters to remove pollutants from the air. Its main function is to remove dirt and grime from the air. Air is drawn into the air purifier by a suction motor, then passes through a filter and is discharged from the exhaust vent.

[0003] The air inlet of air purifiers on the market is usually aligned with the filter, or the filter screen is part of the air inlet. When the filter screen needs cleaning, users need to clean it manually. When there is a lot of hair in the house, the hair will adhere to the filter screen. If it is not cleaned for a long time, the filtration efficiency will be significantly reduced. Utility Model Content

[0004] In view of the shortcomings of the above-mentioned technologies, this utility model provides an air purification device that can effectively treat filters and improve cleaning efficiency.

[0005] On the one hand, this utility model provides an air purification device, including A housing that defines a receiving space, the receiving space including a dust storage space; A suction motor is used to generate a suction airflow; At least one air inlet through which airflow enters the accommodating space; At least one filter is provided to filter the airflow entering from the air inlet, and the filtered dirt is stored in the dust storage space. A dust removal assembly is disposed on the outer periphery of the filter. The dust removal assembly can move in a first position and a second position to remove at least a portion of the dirt from the surface of the filter. At least a portion of the air inlet is located between the first position and the second position.

[0006] Optionally, the ash-scraping assembly includes an ash-pressing component, a scraper strip disposed on the ash-pressing component, and a drive mechanism for driving the ash-pressing component to move between a first position and a second position.

[0007] Optionally, the driving mechanism includes a driver, a transmission mechanism, and at least one guide rod. The driving force generated by the driver drives the ash pressing component to move along the at least one guide rod through the transmission mechanism.

[0008] Optionally, a baffle is provided on the outer periphery of the transmission mechanism, the baffle defining an installation space for installing at least a portion of the transmission mechanism.

[0009] Optionally, the baffle is provided with a guide groove, and the ash pressing component can move along the guide groove.

[0010] Optionally, some of the ash-pressing components are located within the installation space, while some are located outside the installation space.

[0011] Optionally, the air inlet includes a first air inlet and a second air inlet, with the first air inlet and the second air inlet located on both sides of the guide groove along the circumferential direction of the air purification device.

[0012] Optionally, the dust removal assembly includes a scraper and a drive mechanism for driving the scraper. The drive mechanism includes a first drive component and a second drive component. The first drive component and the second drive component are arranged opposite each other in the radial direction of the air purification device, and the filter is disposed between the first drive component and the second drive component in the circumferential direction of the air purification device.

[0013] Optionally, the ash pressing component includes a guide portion and a support portion, which are connected by a connecting portion that extends through the guide groove.

[0014] On the other hand, this utility model also provides a self-moving air purifier. Such as the air purification device mentioned above; A ground-based mobile device, connected to the air purification device, is configured to carry the air purification device and move it.

[0015] Optionally, the ground mover includes a suction port for cleaning the surface to be cleaned.

[0016] On the other hand, this utility model also provides an air purification system. Such as the self-propelled air purifier mentioned above; Base station used for docking with the self-moving air purifier.

[0017] This invention provides an air purification device, a self-propelled air purifier, and an air purification system. The air purification device includes a housing defining a receiving space, which includes a dust storage space. A suction motor generates a suction airflow. The air purification device includes at least one air inlet through which airflow enters the receiving space. The air purification device also includes at least one filter to filter the airflow entering from the air inlet, and the filtered dirt is stored in the dust storage space. A dust scraping assembly is disposed around the filter, movable in a first position and a second position, for scraping away at least a portion of the dirt from the filter surface. At least a portion of the air inlet is located between the first and second positions. By positioning at least a portion of the air inlet in the first and second positions, the incoming airflow directly enters the filter, ensuring that the dust scraping assembly provides relatively comprehensive treatment of the filter. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the air purification system in one embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of a self-moving air purifier in one embodiment; Figure 3 This is a schematic diagram of the separation of the upper and lower parts of an air purification device in one embodiment; Figure 4 This is a schematic diagram of the air purification device after part of the outer shell has been removed in one embodiment (the dust scraping component or dust pressing component is located in the first position). Figure 5 This is a schematic diagram of the air purification device after part of the outer shell has been removed in one embodiment (the dust scraping component or dust pressing component is located in the second position). Figure 6 For along Figure 2 A cross-sectional view in the XX direction (along the horizontal direction, but not specifically along the line in the figure), showing the scraper assembly; Figure 7 For along Figure 2 Another cross-sectional view in the XX direction (along the horizontal direction, not specifically along the line in the figure), the scraper assembly is not shown in the figure; Figure 8 In another embodiment, along Figure 2 A cross-sectional view in the YY direction (along the vertical direction, not specifically referring to the position along the line in the figure), with the scraper component located in the second position in the figure; Figure 9 for Figure 8 Enlarged view of the structure of region A in the middle; Figure 10 For along Figure 2Another cross-sectional view in the YY direction (along the vertical direction, not specifically referring to the position along the line in the figure), in which the scraping component is located in the first position; Figure 11 for Figure 10 Enlarged view of the structure of region B in the middle; Figure 12 For along Figure 2 Another cross-sectional view in the YY direction (along the vertical direction, not specifically along the line in the figure); Figure 13 Figure 12 Enlarged view of the structure of region C in the middle; Figure 14 For along Figure 2 Another cross-sectional view in the XX direction (along the horizontal direction, not specifically referring to the position along the line in the figure), showing that the ash scraping component or ash pressing component is provided with a first fluid channel; Figure 15 for Figure 14 Enlarged view of the structure of region F in the middle; Figure 16 As another embodiment, along the middle Figure 2 Another cross-sectional view in the YY direction (along the vertical direction, not specifically referring to the position along the line in the figure), the air inlet can be divided into two parts by the ash scraping component or the ash pressing component; Figure 17 for Figure 16 Enlarged view of the structure of region G in the middle; Figure 18 In another embodiment, along Figure 2 Another cross-sectional view in the XX direction (along the horizontal direction, not specifically along the line in the figure), the first cavity in the figure includes two regions; Figure 19 In another embodiment, along Figure 2 Another cross-sectional view in the YY direction (along the vertical direction, not specifically along the line in the figure); Figure 20 This is a schematic diagram of the dust collection box in one embodiment; Figure 21 for Figure 20 A schematic diagram of the dust collection box after the cover is removed; Figure 22 This is a schematic diagram of the air purification device from another angle. Figure 23 In another embodiment, along Figure 2 Another cross-sectional view in the YY direction (along the vertical direction, not specifically referring to the position along the line in the figure), showing the ash discharge channel; Figure 24 This is a schematic diagram of an air purification device with a partially concealed housing in one embodiment, showing a baffle. Figure 25 for Figure 24 Schematic diagram of the structure of region D in the middle; Figure 26 This is a schematic diagram of an air purification device with a portion of the housing hidden in one embodiment; the baffle is not shown in the figure. Figure 27 for Figure 26 Schematic diagram of the structure of region E in the middle; Figure 28 This is a schematic diagram of an air purification device with a partially concealed housing in one embodiment, showing a dust collection motor. Figure 29 In another embodiment, along Figure 2 Another cross-sectional view in the XX direction (along the horizontal direction, not specifically along the line in the figure), showing the positional relationship between the air intake and the baffle.

[0019] The attached figures are labeled as follows: 100-Air purification system, 10-Self-propelled air purifier, 20-Base station, 101-Air purification device, 102-Ground mobile device, 1-Housing shell, 11-Dust storage space, 14-First cavity, 15-Second cavity, 141-First end, 142-Second end, 143-Bottom wall, 144-Side wall, 145-First area, 146-Second area, 12-Accommodation space, 13-Baffle, 131-Guide groove, 1011-Upper part, 1012-Lower part, 81-Air inlet, 814-First air inlet, 813-Second air inlet, 811-First part, 812-Second part, 82-Air outlet, 83-Dust discharge port, 84-Air inlet, 841-First air inlet, 842-First fluid channel. 85-Ash discharge channel; 2-Filter; 21-Filter screen; 22-Filter HEPA filter; 3-Scraping assembly; 31-Drive mechanism; 311-First drive assembly; 312-Second drive assembly; 32-Ash pressing component; 321-Guide part; 322-Support part; 323-Connecting part; 33-Scraper strip; 34-Sealing strip; 35-Guide rod; 36-Lower surface; 4-Suction motor; 5-Dust collection motor; 6-Dust collection box; 61-Ash inlet; 62-Air outlet; 63-Air outlet HEPA filter; 7-Sterilization device. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] It should be noted that if the embodiments of this utility model involve directional indication, the directional indication is only used to explain the relative positional relationship and movement of each component in a specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0022] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text includes three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0023] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art will be able to understand the specific meaning of the above terms in this application based on the specific circumstances.

[0024] refer to Figure 2-13The figure discloses an air purification device 101, which includes a housing 1, a suction motor 4, and a filter 2. The filter 2 may include a filter screen 21 and a filter HEPA filter 22 located inside the filter screen 21. Of course, in other embodiments, the filter 2 may also include other forms of filter materials, which will not be detailed here. The housing 1 defines a receiving space 12. It is understood that the entire space defined inside the housing 1 can be regarded as the receiving space 12. The suction motor 4 for generating suction airflow is provided in the receiving space 12. The housing 1 may be assembled from multiple parts. The multiple parts can be detached and connected or opened to each other, which facilitates the user to replace or clean the objects in the receiving space 12. In the embodiment shown in the figure, the air purification device 101 includes an upper part 1011 and a lower part 1012. The upper part 1011 includes an upper housing 1, and the lower part 1012 includes a lower housing 1. The upper part 1011 is detachably connected to the lower part 1012. The suction motor 4 is disposed on the upper part 1011, and the lower part 1012 may be provided with an energy component to provide power to the suction motor 4. The upper part 1011 and the lower part 1012 are electrically connected via an electrical connector, which will not be described in detail here. In other embodiments, the suction motor 4 can be connected to a municipal power supply via a power cord. The suction motor 4 can also be disposed on the lower part 1012 of the air purification device 101. The purified air is discharged through the air outlet 82.

[0025] refer to Figure 2 The air purification device 101 includes at least one air inlet 81 through which airflow enters the receiving space 12. The air inlet 81 is generally located on the housing 1. However, the air inlet 81 can also be located at other positions outside the housing 1, as long as airflow can enter the receiving space 12. The filter 2 is also located within the receiving space 12, such as... Figure 6 and 7 In the illustrated embodiment, filter 2 is installed at the lower part 1012 of air purifier 101. After the user removes the upper part 1011, the user can replace filter 2. Filter 2 is used to filter the airflow entering from the air inlet 81. To sterilize the interior of filter 2, a sterilization device 7 can be provided inside filter 2. The sterilization device 7 can be a sterilizing device such as an ultraviolet germicidal lamp.

[0026] refer to Figure 8-11 A dust storage space 11 is defined between the housing 1 and the filter 2. The dust storage space 11 can hold large particles of dirt such as hair and paper scraps. To periodically clean the dust storage space 11 and ensure purification efficiency, a dust-pressing component 32 is also provided inside the housing 1. The dust-pressing component 32 can be driven by the drive mechanism 31 to a first position (see reference). Figure 4 ) and second position (reference) Figure 5The drive mechanism 31 can be either electrically driven or manually driven. In the first position, the dust-pressing member 32 is generally located above the dust storage space 11, especially above the upper edge of the filter 2. When the dust-pressing member 32 is in the second position, it divides the dust storage space 11 into a first chamber 14 and a second chamber 15. The first chamber 14 is located below the dust-pressing member 32, and the second chamber 15 is located above the dust-pressing member 32. (Continue to refer to...) Figure 8-11 At least part of the air inlet 81 is located between the first position and the second position. This allows dirt to concentrate below the first position. When at least part of the air inlet 81 is located between the first position and the second position, dirt entering from the air inlet 81 can quickly settle downwards, preventing hair and other dirt from blocking part of the filter 2.

[0027] When the dust-pressing component 32 moves from the first position to the second position, it compresses at least a portion of the dust in the dust storage space 11 into the first cavity 14. The air purification device 101 may be equipped with a sensor for detecting the amount of dirt in the dust storage space 11 (especially in the first cavity 14). The sensor can be a dust sensor or other sensors capable of detecting dirt, which will not be detailed here. If the sensor detects that the amount of dirt in the dust storage space 11 reaches a preset value, it can send a signal to remind the user to operate the dust-pressing component 32 to perform the dust-pressing action. Alternatively, after receiving the signal from the sensor, the controller of the air purification device 101 can actively control the dust-pressing component 32 to perform the dust-pressing action, that is, control the dust-pressing component 32 to move from the first position to the second position and then back to the first position. The controller can control the dust-pressing component 32 to perform one dust-pressing action, or it can control the dust-pressing component 32 to perform multiple dust-pressing actions. The controller can be a conventional circuit board or PCB board, etc., containing corresponding control programs, which will not be detailed here. The ash-pressing component 32 may be equipped with a scraper 33, which is configured to scrape off at least a portion of the dirt adhering to the filter 2 during the movement of the ash-pressing component 32 from a first position to a second position. The scraper 33 may contact the outer surface of the filter 2 (or there may be a small gap between the scraper 33 and the outer surface of the filter 2 to facilitate the movement of the scraper 33), and can clean at least a portion of the dirt on the outer surface of the filter 2 while pressing ash. The ash-pressing component 32 and / or the scraper 33 are part of the ash-scraping assembly 3.

[0028] In one embodiment, the first cavity 14 can be part of the dust collection box 6, which is detachably installed on the air purification device 101. After the dust collection action is completed, the user can remove the dust collection box 6 and clean the dirt inside.

[0029] refer to Figure 19-23In another embodiment, the first chamber 14 can be connected to the dust collection box 6. The first chamber 14 is in fluid communication with the dust collection box 6 through the dust discharge port 83, for discharging dust from the first chamber 14. When dust is discharged from the first chamber 14 through the dust discharge port 83, the dust scraping assembly 3 is in a second position. The suction airflow generated by the dust collection motor 5 can transfer at least part of the dirt in the first chamber 14 to the dust collection box 6. After each dust collection, the air purification device 101 can be reused, effectively increasing the service life of the air purification device 101. Reference Figure 6 and 7 To facilitate the rapid and efficient transfer of dirt from the first cavity 14 to the dust collection box 6, the first cavity 14 is generally annular, comprising a first end 141 and a second end 142. The first end 141 is fluidly connected to the air inlet 84 of the air purification device 101, and the second end 142 is fluidly connected to the ash discharge port 83 of the air purification device 101. When the dust collection motor 5 generates a dust collection airflow, the airflow enters the first end 141 of the first cavity 14 from the air inlet 84. The airflow then flows along the path defined by the first cavity 14, carrying the dirt from the first cavity 14 to the second end 142, where it is transferred to the dust collection box 6 via the ash discharge port 83, which is fluidly connected to the second end 142. (Reference) Figure 12 and 13 Along the height direction of the air purification device 101, the height of the air inlet 84 is higher than the height of the ash outlet 83. In other embodiments, the first cavity 14 may also be of other shapes, corresponding to the dust storage space 11. (See reference...) Figure 7 The first cavity 14 includes a first end 141 and a second end 142. The first end 141 is in fluid communication with the air inlet 84 of the air purifier 101, and the second end 142 is in fluid communication with the ash outlet 83 of the air purifier 101.

[0030] refer to Figure 18 In another embodiment, the first cavity 14 can be divided into a first region 145 and a second region 146. The first cavity 14 includes the first region 145 and the second region 146 arranged in parallel. One end of the first region 145 and the second region 146 is in fluid communication with the air inlet 84 of the air purification device 101. The other end of the first region 145 and the second region 146 is in fluid communication with the ash discharge port 83. In the embodiment shown in the figure, the first region 145 and the second region 146 can be a semi-circular ring. Of course, the first region 145 and the second region 146 can also be of any form.

[0031] In other embodiments, the first cavity 14 may be divided into multiple regions, the specific structure of which will not be described in detail here.

[0032] refer to Figure 9 and 11When the dust scraping assembly 3 (dust pressing component 32) is in the second position, the dust scraping assembly 3 is configured to block at least a portion of the airflow from the second cavity 15 into the first cavity 14. The dust scraping assembly 3 (dust pressing component 32) includes a lower surface 36, which, when in the second position, engages with the side wall 144 of the first cavity 14 to block at least a portion of the airflow from the second cavity 15 into the first cavity 14. Specifically, when the dust pressing component 32 (dust scraping assembly 3) is in the second position, the scraper blade 33 contacts the first side wall 144 of the first cavity 14. The dust pressing component 32 also includes a sealing strip 34 disposed opposite to the scraper blade 33, which, when in the second position, contacts the second side wall 144 of the first cavity 14. By setting a sealing strip 34 on the dust pressing component 32, the airflow in the second chamber 15 can be effectively blocked from entering the first chamber 14 from the surrounding gaps during dust collection, thus preventing the airflow entering from the gaps from weakening the dust collection capacity.

[0033] refer to Figure 13 The first air inlet 841 is located above the ash discharge port 83 along the height direction. "Above" here can be directly above or diagonally above. Thus, along the airflow direction within the first cavity 14, the distance between the bottom wall 143 of the first cavity 14 and the ash-pressing component 32 gradually increases. This gradually increasing flow area of ​​the first cavity 14 along the airflow direction effectively transports the dirt furthest from the ash discharge port 83 to the ash discharge port 83 via airflow.

[0034] In different embodiments, the air inlet 84 is implemented in different ways.

[0035] refer to Figure 13 The air inlet 84 is a first air inlet 841 formed on the housing 1, which is in fluid communication with the first cavity 14. In this way, the scraper assembly 3 prevents most of the fluid in the second cavity 15 from entering the first cavity 14. The first air inlet 841 can be composed of multiple vent holes.

[0036] In another implementation, the air inlet 84 can be part of the air inlet 81. Specifically, refer to... Figure 16 and 17 When the scraper assembly 3 is in the second position, it is configured to divide at least one air inlet 81 into a first part 811 and a second part 812. The first part 811 is in fluid communication with the first cavity 14, and the second part 812 is in fluid communication with the second cavity 15. This configuration effectively utilizes the air inlet 84. If the first cavity 14 is an annular cavity, then only one air inlet 81 needs to be configured to be divided into a first part 811 and a second part 812. When the first cavity 14 is divided into multiple regions, each region can correspond to a different first part 811 of the air inlet 81.

[0037] In yet another embodiment, reference is made to... Figure 14 and 15 The dust scraping assembly 3 is provided with a first fluid channel 842 connecting the first cavity 14 and the second cavity 15. In this way, when the dust scraping assembly 3 is in the second position, the first fluid channel 842 connects the first cavity 14 and the second cavity 15, avoiding the need for additional openings in the outer casing. During dust collection, the airflow in the second cavity 15 enters the first cavity 14 through the first fluid channel 842, transferring residual dirt in the first cavity 14 to the second cavity 15. When the dust scraping assembly 3 is in the first position, the first fluid channel 842 can be closed. The first fluid channel 842 can also serve as part of the air inlet channel, allowing external airflow to enter the dust storage space 11.

[0038] refer to Figure 24-29 The following describes one way to implement the scraper component 3: As shown in the figure, the dust scraping assembly 3 includes a dust pressing component 32, a scraper 33 disposed on the dust pressing component 32, and a drive mechanism 31 for driving the dust pressing component 32 to move between a first position and a second position. In other embodiments, the dust scraping assembly 3 may only include the scraper 33 and exclude the dust pressing component 32. The drive mechanism 31 includes a driver, a transmission mechanism, and at least one guide rod 35. The driving force generated by the driver drives the dust pressing component 32 to move along at least one guide rod 35 through the transmission mechanism. The driver can be a motor, and the transmission mechanism can be a threaded screw or belt gear transmission structure, etc. The driver drives the dust pressing component 32 and / or the scraper 33 through the drive transmission mechanism.

[0039] Continue to refer to Figure 24-29 To ensure the safe operation of the transmission mechanism, a baffle 13 is provided on the outer periphery of the transmission mechanism, defining an installation space for installing at least part of the transmission mechanism. The baffle 13 can prevent dirt from entering the installation space as much as possible. The baffle 13 is provided with a guide groove 131, along which the ash-pressing component 32 can move. Specifically, part of the ash-pressing component 32 is located inside the installation space, and part of the ash-pressing component 32 is located outside the installation space. The ash-pressing component 32 includes a guide portion 321 and a support portion 322, which are connected by a connecting portion 323 that passes through the guide groove 131.

[0040] refer to Figure 28 and 29The air inlet 81 includes a first air inlet 814 and a second air inlet 813. Along the circumferential direction of the air purification device 101, the first air inlet 814 and the second air inlet 813 are located on both sides of the guide groove 131. With the air inlet 81 arranged in this way, the airflow enters the dust storage space 11 from the air inlet 81 and flows directly to the filter 2, thereby avoiding the guide groove 131 and effectively preventing dust from entering the installation space through the guide groove 131.

[0041] refer to Figure 29 In the air purification device 101, because the filter 2 has a relatively large diameter, in order to ensure that the dust scraping assembly 3 (dust pressing component 32) remains balanced during its up-and-down movement, the drive mechanism 31 includes a first drive assembly 311 and a second drive assembly 312. The first drive assembly 311 and the second drive assembly 312 are arranged opposite each other along the radial direction of the air purification device 101, and the filter 2 is positioned between the first drive assembly 311 and the second drive assembly 312 along the circumferential direction of the air purification device 101. During the dust scraping action, the controller controls the first drive assembly 311 and the second drive assembly 312 to operate synchronously to ensure the smooth operation of the dust scraping assembly 3. Each drive mechanism 31 can be provided with two air inlets 81. Of course, in other embodiments, the drive mechanism 31 may also include three or more drive assemblies to ensure the smooth operation of the dust scraping assembly 3 (dust pressing component 32).

[0042] refer to Figure 19-23 The structure of the dust collection box 6 in one embodiment is described in detail below.

[0043] The dust collection box 6 is U-shaped and includes an inlet 61 and an outlet 62, located at opposite ends of the U-shaped dust collection box 6. An outlet HEPA filter 63 is installed at the outlet 62. The dust collection box 6 includes a box body and a cover, with the cover being openable and installed on the box body. Users can clean the dirt inside the box by opening the cover. The inlet 61 of the dust collection box 6 is in fluid communication with the outlet 83 of the first chamber via an outlet channel 85.

[0044] This application also discloses a self-moving air purifier 10, including an air purification device 101 and a ground mover 102 as described in any of the above embodiments. The ground mover 102 is connected to the air purification device 101 and is configured to carry the air purification device 101 and move it. The air purification device 101 can be integrated with the ground mover 102. The two can also be detachably coupled. The ground mover 102 includes an automatic navigation system, which can employ visual navigation, laser navigation, or visual + laser navigation. Navigation technology is already relatively mature in the field of self-moving robots and will not be described in detail here.

[0045] refer to Figure 1This application also discloses an air purification system 100, which includes the aforementioned self-moving air purifier 10 and a base station 20 for docking with the self-moving air purifier 10.

[0046] In another embodiment, this application also discloses an air purification system 100, which includes an air purification device 101 as described in any of the above embodiments, a ground mobile device 102, and a base station 20 for docking with the air purification device 101. The ground mobile device 102 is connected to the air purification device 101 and is configured to carry the air purification device 101 for movement. In this air purification system 100, the air purification device 101 does not have a dust collection box 6; the dust collection box 6 is disposed in the base station 20. A dust collection motor 5 is provided in the base station 20, which is used to transfer dirt from the dust storage space 11 to the dust collection box 6 of the base station 20. The dust collection box 6 can be a reusable device, or it can be a disposable dust bag. The dust bag can be replaced at any time. Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. An air purification device, characterized in that, include: A housing that defines a receiving space, the receiving space including a dust storage space; A suction motor is used to generate a suction airflow; At least one air inlet through which airflow enters the accommodating space; At least one filter is provided to filter the airflow entering from the air inlet, and the filtered dirt is stored in the dust storage space. A dust removal assembly is disposed on the outer periphery of the filter. The dust removal assembly can move in a first position and a second position to remove at least a portion of the dirt from the surface of the filter. At least a portion of the air inlet is located between the first position and the second position.

2. The air purification device as described in claim 1, characterized in that, The ash-scraping assembly includes an ash-pressing component, a scraper strip disposed on the ash-pressing component, and a drive mechanism for driving the ash-pressing component to move between a first position and a second position.

3. The air purification device as described in claim 2, characterized in that, The driving mechanism includes a driver, a transmission mechanism, and at least one guide rod. The driving force generated by the driver drives the ash pressing component to move along the at least one guide rod through the transmission mechanism.

4. The air purification device as described in claim 3, characterized in that, A baffle is provided on the outer periphery of the transmission mechanism, and the baffle defines an installation space for installing at least a portion of the transmission mechanism.

5. The air purification device as described in claim 4, characterized in that, The baffle is provided with a guide groove, and the ash pressing component can move along the guide groove.

6. The air purification device as described in claim 5, characterized in that, Some of the ash-pressing components are located within the installation space, while others are located outside the installation space.

7. The air purification device as described in claim 5 or 6, characterized in that, The air inlet includes a first air inlet and a second air inlet, which are located on both sides of the guide groove along the circumferential direction of the air purification device.

8. The air purification device as described in claim 1, characterized in that, The dust removal assembly includes a scraper and a drive mechanism for driving the scraper. The drive mechanism includes a first drive component and a second drive component. The first drive component and the second drive component are arranged opposite each other along the radial direction of the air purification device. The filter is disposed between the first drive component and the second drive component along the circumferential direction of the air purification device.

9. The air purification device as described in claim 5, characterized in that, The ash pressing component includes a guide portion and a support portion, which are connected by a connecting portion that extends through the guide groove.

10. A self-propelled air purifier, characterized in that, The air purification device as described in any one of claims 1-8; A ground-based mobile device, connected to the air purification device, is configured to carry the air purification device and move it.

11. The self-propelled air purifier as described in claim 10, characterized in that, The ground mover includes a suction port for cleaning the surface to be cleaned.

12. An air purification system, characterized in that... ， The self-propelled air purifier as described in claim 10 or 11; Base station used for docking with the self-moving air purifier.

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