Cleaning apparatus and cleaning system

Abstract

The utility model relates to cleaning tool technical field, specifically disclose a kind of cleaning equipment and cleaning system, the cleaning equipment has self-cleaning state, the cleaning equipment includes: main body and suction device, the main body has self-cleaning air duct, the self-cleaning air duct is used to communicate base station;The suction device is configured to communicate the self-cleaning air duct in the self-cleaning state;Wherein, the self-cleaning air duct is equipped with first filter. According to the cleaning equipment of the utility model embodiment, the self-cleaning air duct is equipped with first filter, can filter the airflow that returns to suction device, avoid impurity to enter into suction device to cause the problems, such as wear and tear of suction device, operating resistance increase, to further improve the service life of suction device, reduce the failure rate of cleaning equipment.

Description

Technical Field

[0001] This utility model relates to the field of cleaning tool technology, and in particular to a cleaning device and cleaning system. Background Technology

[0002] Cleaning equipment typically includes a separation device, a suction head, a suction device, and a dust cup. External dirt is sucked in by the suction head and directed into the dust cup. The separation device then separates the dirt, allowing it to remain in the dust cup. The separated clean airflow flows out of the separation device, enters the suction device, and is then discharged from the cleaning equipment, forming an airflow cycle for cleaning. In related technologies, a base station is used, and a suction device creates negative pressure at the base station to clean the dirt from the dust cup of the cleaning equipment. While this simplifies the base station structure, it can potentially affect system reliability. Utility Model Content

[0003] This invention aims to at least partially solve one of the technical problems in the related art. Therefore, one objective of this invention is to provide a cleaning device that can extend the service life of the suction device and reduce the failure rate of the cleaning equipment.

[0004] According to an embodiment of the present invention, the cleaning device has a self-cleaning state. The cleaning device includes a main body and a suction device. The main body has a self-cleaning air duct, which is used to connect to a base station. The suction device is configured to connect to the self-cleaning air duct in the self-cleaning state. A first filter element is provided inside the self-cleaning air duct.

[0005] According to the embodiments of the present invention, the cleaning equipment has a first filter element in the self-cleaning air duct. The first filter element can filter the airflow returning to the suction device, intercept dust, particulate matter and other impurities, and prevent impurities from entering the inside of the suction device and adhering to the bearings, windings and other components of the suction device, which would cause wear and increased operating resistance of the suction device, thereby improving the service life of the suction device and reducing the failure rate of the cleaning equipment.

[0006] In addition, the cleaning device according to the above embodiments of the present invention may also have the following additional technical features:

[0007] In some embodiments, the self-cleaning air duct includes a main air duct and a docking air duct connected to the main air duct. The docking air duct is used to dock with a base station. The main air duct is disposed between the docking air duct and the suction device. The first filter element is disposed in the docking air duct.

[0008] In some embodiments, the docking duct has a first pair of interfaces, the first pair of interfaces being connected to the main duct, and the first pair of interfaces being provided with baffles.

[0009] In some embodiments, the docking duct includes a second pair of interfaces and an inner end face opposite to the second pair of interfaces. The second pair of interfaces is used to dock with a base station. The inner side of the docking duct is provided with a rib. At least a portion of the first filter element is positioned between the rib and the inner end face.

[0010] In some embodiments, the side of the docking duct is provided with a first pair of interfaces, the first pair of interfaces being connected to the main duct, and the inner end face being configured as a guide slope for guiding airflow from the second pair of interfaces to the first pair of interfaces.

[0011] In some embodiments, the docking duct is configured to extend along the axial direction of the suction device, the second pair of interfaces is located at one end of the docking duct along the axial direction, and the first filter is configured to be inserted into and removed from the second pair of interfaces along the axial direction.

[0012] In some embodiments, the cleaning device further includes a motor pre-filter disposed upstream of the suction device, and at least a portion of the self-cleaning air duct extends between the motor pre-filter and the suction device.

[0013] A cleaning system according to a first aspect of the present invention includes: a base station and the aforementioned cleaning equipment, wherein the cleaning equipment is dockable and detachable from the base station.

[0014] A cleaning system according to a second aspect of the present invention includes: a base station and a cleaning device, wherein the base station has a dust collection duct and a bypass duct that are interconnected; the cleaning device is dockable and detachable from the base station, the cleaning device includes a dust cup assembly and a self-cleaning duct, the cleaning device has a self-cleaning state, in which the cleaning device is docked with the base station, the dust cup assembly is connected to the dust collection duct, and the self-cleaning duct is connected to the bypass duct;

[0015] The bypass ventilation duct and / or the self-cleaning air duct are provided with a second filter element.

[0016] In some embodiments, the base station is a motorless base station, and the cleaning device is adapted to provide negative pressure to drive airflow along the dust cup assembly, the dust collection duct, the bypass duct, and the self-cleaning duct.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the cleaning equipment according to an embodiment of the present invention.

[0019] Figure 2 This is a cross-sectional schematic diagram of the cleaning equipment according to an embodiment of the present utility model.

[0020] Figure 3 yes Figure 2 A magnified view of a portion of the image.

[0021] Figure 4 This is another cross-sectional schematic diagram of the cleaning device according to an embodiment of the present utility model.

[0022] Figure 5 This is a cross-sectional schematic diagram of the cleaning system according to an embodiment of the present invention.

[0023] Figure label:

[0024] Cleaning system 1000, cleaning equipment 100, main body 10, self-cleaning air duct 11, main air duct 111, connecting air duct 112, first pair of interfaces 1121, second pair of interfaces 1122, inner end face 1123, baffle 113, protruding rib 114, connecting pipe 12, air inlet air duct 121, air duct switching component 13, suction device 20, first filter element 30, motor pre-filter 40, dust cup assembly 50, base station 200, dust collection air duct 210, bypass air duct 220. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0026] Combination Figure 1 and Figure 2 According to an embodiment of the present invention, the cleaning device 100 has a self-cleaning state. The cleaning device 100 includes a main body 10 and a suction device 20. The main body 10 has a self-cleaning air duct 11, which is used to connect to a base station 200. The suction device 20 is configured to connect to the self-cleaning air duct 11 in the self-cleaning state. Specifically, in the self-cleaning state, the cleaning device 100 can cooperate with the base station 200 to clean dust and dirt inside the cleaning device 100, thereby achieving self-cleaning of the cleaning device 100. Specifically, the suction device 20 of the cleaning device 100 can be used to generate negative pressure inside the base station 200 through the self-cleaning air duct 11, causing dust and dirt to be collected in the base station 200. The negative pressure generated by the suction device 20 allows airflow inside the base station 200 to reach the suction device 20 through the self-cleaning air duct 11.

[0027] The self-cleaning air duct 11 is equipped with a first filter element 30, which can filter the airflow from the base station 200 through the self-cleaning air duct 11, that is, the airflow from the base station 200 to the suction device 20, so as to prevent the dust-laden airflow from entering the suction device 20 and causing the suction device 20 to malfunction, thereby improving the service life of the suction device 20.

[0028] For example, the base station 200 may be equipped with a dust bag, and the cleaning device 100 may include a dust cup assembly 50. When the cleaning device 100 is in operation, the suction device 20 works to suck dust, hair, debris, and other contaminants from the working surface into the dust cup assembly 50. When the cleaning device 100 is in self-cleaning mode, the suction device 20 can create a negative pressure inside the base station 200, and the contaminants in the dust cup assembly 50 are collected into the dust bag of the base station 200. The airflow flows out of the dust bag and returns to the suction device 20 through the self-cleaning air duct 11. Figure 2 As shown, the arrows indicate the direction of airflow recirculation when the cleaning device 100 is in self-cleaning mode. The airflow from the base station dust bag may contain fine dust. By setting the first filter element 30, the airflow recirculated from the base station 200 to the suction device 20 can be filtered to intercept dust, particulate matter and other impurities, preventing impurities from entering the interior of the suction device 20 and adhering to the bearings, windings and other components of the suction device 20, which would cause wear and increased operating resistance of the suction device 20, thereby improving the service life of the suction device 20 and reducing the failure rate of the cleaning device 100.

[0029] The self-cleaning air duct 11 is provided with a first filter element 30. The first filter element 30 can be provided at different positions in the self-cleaning air duct 11. For example, the first filter element 30 can be provided at the inlet or outlet of the self-cleaning air duct 11. In addition, the first filter element 30 can be filter cotton, activated carbon, HEPA filter, etc.

[0030] In some embodiments of this utility model, the self-cleaning air duct 11 includes a main air duct 111 and a connecting air duct 112 that connects to the main air duct 111. The connecting air duct 112 is used to connect to the base station 200. The main air duct 111 is located between the connecting air duct 112 and the suction device 20. The first filter element 30 is located in the connecting air duct 112. Specifically, when the cleaning device 100 is in self-cleaning mode, the airflow from the base station 200 first passes through the connecting air duct 112, and then flows back to the suction device 20 through the main air duct 111. The connecting air duct 112 facilitates the connection between the self-cleaning air duct 11 and the base station 200, thereby facilitating the return of the airflow from the base station 200 to the suction device 20 via the self-cleaning air duct 11. The first filter element 30 is located in the connecting air duct 112 to intercept dust in the airflow returning from the base station 200 to the self-cleaning air duct 11, thereby preventing dust and other particulate matter from entering the main air duct 111 and maintaining a clean working environment within the main air duct 111.

[0031] For example, the main body 10 may include an interconnected air duct body and a docking component, wherein the docking component is used to dock with the base station 200, the main air duct 111 is defined within the air duct body, and the docking component is defined within the docking air duct 112. The base station 200 is connected to the air duct body through the docking component, thereby facilitating the docking of the base station 200 with the self-cleaning air duct 11.

[0032] At least a portion of the connecting component can be located between the air duct body and the dust cup assembly 50, optimizing the layout of the cleaning equipment 100, improving space utilization, and making the structure of the cleaning equipment 100 more compact.

[0033] Combination Figure 3 and Figure 4 Furthermore, the connecting air duct 112 has a first pair of interfaces 1121, which are connected to the main air duct 111. The first pair of interfaces 1121 are provided with baffles 113, which can support the first filter element 30, prevent the first filter element 30 from shifting towards the main air duct 111 during the airflow recirculation process, and reduce the deformation of the first filter element 30, thereby ensuring that the first filter element 30 can stably filter the airflow entering the main air duct 111.

[0034] Combination Figure 3 In some embodiments of this utility model, the docking duct 112 includes a second pair of interfaces 1122 and an inner end face 1123 opposite to the second pair of interfaces 1122. The second pair of interfaces 1122 is used to dock with the base station 200. For example, the base station 200 may be provided with a return interface. After the cleaning device 100 docks with the base station 200, the return interface can dock with the second pair of interfaces 1122 so that the airflow of the base station 200 can return to the self-cleaning duct 11. The inner surface of the docking duct 112 is provided with a rib 114, and at least a portion of the first filter element 30 is positioned between the rib 114 and the inner end face 1123. Specifically, one end of the first filter element 30 abuts against the inner end face 1123, and the other end is fixed by the protruding rib 114. The protruding rib 114 and the inner end face 1123 cooperate to limit the first filter element 30, preventing the first filter element 30 from shifting during the airflow recirculation process, thereby ensuring that the first filter element 30 can stably filter the airflow entering the main air duct 111.

[0035] Combination Figure 3 Furthermore, the side of the connecting air duct 112 is provided with a first pair of interfaces 1121, which are connected to the main air duct 111. The inner end face 1123 is set as a guide slope for guiding airflow from the second pair of interfaces 1122 to the first pair of interfaces 1121. The guide slope can guide the airflow entering the main air duct 111 from the connecting air duct 112, reduce the resistance of the airflow during the turning process, and thus ensure the suction force of the cleaning equipment 100 in the self-cleaning state.

[0036] For example, the upper end of the first filter element 30 can abut against the lower end of the guide slope, the lower end of the first filter element 30 can be fixed by the protruding rib 114, and the position of the first filter element 30 near the first interface 1121 can be supported by the baffle rib 113, thereby improving the structural stability of the first filter element 30, reducing the deformation and displacement of the first filter element 30 when the airflow flows through the self-cleaning air duct 11, and enabling the first filter element 30 to stably filter the airflow entering the self-cleaning air duct 11.

[0037] Combination Figure 3 In some embodiments of this utility model, the docking air duct 112 is configured to extend axially along the suction device 20, the second pair of interfaces 1122 is located at one end of the docking air duct 112 along the axial direction, and the first filter element 30 is configured to be inserted into and removed axially from the second pair of interfaces 1122. Specifically, during the assembly of the cleaning device 100, the first filter element 30 can be installed from the position of the second pair of interfaces 1122, which facilitates the installation of the first filter element 30. In addition, it also facilitates the cleaning or replacement of the first filter element 30, preventing the first filter element 30 from becoming clogged after long-term use, thus affecting airflow and filtration effect. By placing the first filter element 30 in the docking air duct 112, on the one hand, it facilitates the first filter element 30 to filter the airflow entering the main air duct 111, maintaining a good working environment within the main air duct 111 and extending the service life of the suction device 20; on the other hand, it facilitates the installation and maintenance of the first filter element 30.

[0038] Combination Figure 2In some embodiments of this utility model, the cleaning device 100 further includes a motor pre-filter 40, which is located upstream of the suction device 20 and extends from at least a portion of the cleaning duct 11 to the space between the motor pre-filter 40 and the suction device 20. Specifically, "upstream" refers to the leading position of the cleaning device 100 along the airflow direction during the vacuuming process, that is, the first position the airflow passes through in the path from upstream (starting point) to downstream (end point). The motor pre-filter 40, located upstream of the suction device 20, enables the cleaning device 100 to filter the airflow entering the suction device 20 during the vacuuming process, preventing dust, dirt, etc., from entering the suction device 20, extending the service life of the suction device 20, and preventing secondary pollution caused by the airflow discharged from the cleaning device 100. At least a portion of the self-cleaning air duct 11 extends between the motor pre-filter 40 and the suction device 20, facilitating the return of airflow from the base station 200 to the suction device 20 via the self-cleaning air duct 11. This makes the structure of the cleaning device 100 more compact and improves the smoothness of airflow return. Thus, when the cleaning device 100 is in operation, the airflow entering the suction device 20 can be filtered by the motor pre-filter 40. In self-cleaning mode, the airflow can return to the suction device 20 via the self-cleaning air duct 11 and be filtered by the first filter element 30, reducing airflow obstruction during return and improving the smoothness of airflow return to the suction device 20, thereby enhancing the self-cleaning effect of the cleaning device 100 in self-cleaning mode.

[0039] Exemplarily, the main body 10 may further include an air duct switching component 13, which is configured to selectively connect the suction device 20 to the dust cup assembly 50 and the self-cleaning air duct 11. In the operating state, the air duct switching component 13 connects the suction device 20 and the dust cup assembly 50, and airflow flows from the motor pre-filter 40 to the suction device 20. In the self-cleaning state, the air duct switching component 13 connects the suction device 20 and the self-cleaning air duct 11. The air duct switching component 13 may include a first interface, a second interface, and a third interface. The first interface connects to the dust cup assembly 50 and is opposite to the motor pre-filter 40. The second interface connects to the self-cleaning air duct 11, and the third interface connects to the suction device 20. In the operating state, the first interface is connected to the third interface; in the self-cleaning state, the second interface is connected to the third interface. At least a portion of the self-cleaning air duct 11 extends between the motor pre-filter 40 and the suction device 20, facilitating the connection of the air duct switching assembly 13 with the suction device 20, the dust cup assembly 50 and the self-cleaning air duct 11, and enabling the cleaning equipment 100 to switch air ducts in different modes, thereby improving the suction efficiency of the suction device 20 in different modes.

[0040] Optionally, the main body 10 includes a connecting pipe 12, which has an air inlet duct 121 that connects the suction head and the dust cup assembly 50. At least a portion of the self-cleaning duct 11 is disposed in the connecting pipe 12, which optimizes the air duct layout of the cleaning device 100, simplifies the structure of the cleaning device 100, and makes the structure of the cleaning device 100 more compact.

[0041] Optionally, the connecting pipe 12 includes a first pipe body and a second pipe body. The air inlet duct 121 is disposed in the first pipe body, and at least a portion of the second pipe body is disposed around the outside of the first pipe body. At least a portion of the main air duct 111 is disposed between the first pipe body and the second pipe body. This simplifies the structure of the connecting pipe 12 and makes full use of the space inside the connecting pipe 12. Within the limited space of the connecting pipe 12, it ensures that the self-cleaning air duct 11 has a sufficiently large flow cross-sectional area, thereby reducing the resistance of the airflow when passing through the self-cleaning air duct 11.

[0042] This utility model also proposes a cleaning system 1000, including a base station 200 and the aforementioned cleaning device 100. The cleaning device 100 and the base station 200 are dockable and detachable. After completing vacuuming, the cleaning device 100 can be docked to the base station 200, and the base station 200 can clean the dirt inside the cleaning device 100, reducing the user's operational burden. By setting up the aforementioned cleaning device 100, the service life of the suction device 20 can be extended, thereby reducing the reliability of the cleaning system 1000.

[0043] Combination Figure 5 According to another embodiment of the present invention, a cleaning system 1000 includes a base station 200 and a cleaning device 100. The base station 200 has a dust collection duct 210 and a bypass duct 220 that are interconnected.

[0044] The cleaning device 100 can be docked and detached from the base station 200. The cleaning device 100 includes a dust cup assembly 50 and a self-cleaning air duct 11. The cleaning device 100 has a self-cleaning state. In the self-cleaning state, the cleaning device 100 is docked with the base station 200. The dust cup assembly 50 is connected to the dust collection air duct 210, and the self-cleaning air duct 11 is connected to the bypass air duct 220.

[0045] Specifically, after the cleaning equipment 100 completes the cleaning work, it can be connected to the base station 200. When the cleaning equipment 100 is in self-cleaning mode, the dust cup assembly 50 is connected to the dust collection duct 210, and the dust collection duct 210 is connected to the bypass ventilation duct 220. The bypass ventilation duct 220 is connected to the self-cleaning duct 11, so that the dust, debris, hair and other dirt in the dust cup assembly 50 are collected to the base station 200. The airflow in the base station 200 flows back to the suction device 20 through the bypass ventilation duct 220 and the self-cleaning duct 11, and is discharged to the outside of the cleaning equipment 100 through the suction device 20.

[0046] The bypass ventilation duct 220 and / or the self-cleaning air duct 11 are provided with a second filter. For example, the bypass ventilation duct 220 may be provided with a second filter; or, the self-cleaning air duct 11 may be provided with a second filter; or, both the bypass ventilation duct 220 and the self-cleaning air duct 11 may be provided with a second filter. The second filter can filter the airflow returning from the base station 200 to the suction device 20, preventing dust-laden airflow from entering the suction device 20 and causing it to malfunction, thereby improving the service life of the suction device 20.

[0047] Furthermore, the base station 200 is a motorless base station 200. The cleaning device 100 is adapted to provide negative pressure to drive airflow along the dust cup assembly 50, the dust collection duct 210, the bypass duct 220, and the self-cleaning duct 11. For example, the cleaning device 100 may include a suction device 20. The base station 200 does not need to be equipped with a motor. By using the suction device 20 of the cleaning device 100 to introduce negative pressure into the base station 200, negative pressure is generated inside the base station 200. The negative pressure inside the base station 200 can clean dirt from the dust cup assembly 50 of the cleaning device 100, simplifying the structure of the base station 200 and reducing the noise of the base station 200 during operation.

[0048] For example, the base station 200 may include a dust bag for collecting dirt. The dust bag is connected to the self-cleaning air duct 11 and the bypass air duct 220. Specifically, in the self-cleaning state, when the suction device 20 of the cleaning device 100 provides negative pressure to the base station 200, the bypass air duct 220 is located downstream of the dust bag in the flow path of the negative pressure airflow, and the self-cleaning air duct 11 is located downstream of the bypass air duct 220. The dust bag is made of breathable filter material. After the cleaning device 100 is connected to the base station 200, the air duct switching component 13 can be triggered by the triggering structure on the base station 200 to switch the air duct. One end of the self-cleaning air duct 11 of the cleaning device 100 is in fluid communication with the suction device 20, and the other end of the self-cleaning air duct 11 is connected to the bypass air duct 220. The suction device 20 of the cleaning device 100 causes the dust bag of the base station 200 to form a negative pressure for suction against the dust cup assembly 50 through the switched air duct, thereby cleaning the dust cup assembly 50. Figure 5 The arrows indicate the airflow direction of the cleaning device 100 in self-cleaning mode: outside atmosphere - air inlet duct 121 - dust cup assembly 50 - dust collection duct 210 - base station 200 dust bag - bypass ventilation duct 220 - self-cleaning duct 11 - duct switching assembly 13 - suction device 20 - outside atmosphere.

[0049] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0050] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0051] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0052] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0053] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0054] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A cleaning device (100), characterized in that, The cleaning device (100) has a self-cleaning state, and the cleaning device (100) includes: The main body (10) has a self-cleaning air duct (11) for connecting to the base station (200); A suction device (20) is configured to connect to the self-cleaning air duct (11) in the self-cleaning state; The self-cleaning air duct (11) is provided with a first filter element (30).

2. The cleaning equipment (100) according to claim 1, characterized in that, The self-cleaning air duct (11) includes a main air duct (111) and a docking air duct (112) that connects to the main air duct (111). The docking air duct (112) is used to dock with the base station (200). The main air duct (111) is located between the docking air duct (112) and the suction device (20). The first filter element (30) is located in the docking air duct (112).

3. The cleaning equipment (100) according to claim 2, characterized in that, The docking air duct (112) has a first pair of interfaces (1121), which are connected to the main air duct (111), and the first pair of interfaces (1121) are provided with baffles (113).

4. The cleaning equipment (100) according to claim 2, characterized in that, The docking duct (112) includes a second pair of interfaces (1122) and an inner end face (1123) opposite to the second pair of interfaces (1122). The second pair of interfaces (1122) is used to dock with the base station (200). The inner side of the docking duct (112) is provided with a rib (114). At least a portion of the first filter element (30) is positioned between the rib (114) and the inner end face (1123).

5. The cleaning equipment (100) according to claim 4, characterized in that, The side of the connecting air duct (112) is provided with a first pair of interfaces (1121), the first pair of interfaces (1121) is connected to the main air duct (111), and the inner end face (1123) is provided as a guide slope for guiding the flow from the second pair of interfaces (1122) to the first pair of interfaces (1121).

6. The cleaning equipment (100) according to claim 4, characterized in that, The docking duct (112) is configured to extend along the axial direction of the suction device (20), the second pair of interfaces (1122) is located at one end of the docking duct (112) along the axial direction, and the first filter element (30) is configured to be inserted into and removed from the second pair of interfaces (1122) along the axial direction.

7. The cleaning equipment (100) according to claim 1, characterized in that, The cleaning device (100) also includes a motor pre-filter (40) located upstream of the suction device (20), and at least a portion of the self-cleaning air duct (11) extends between the motor pre-filter (40) and the suction device (20).

8. A cleaning system (1000), characterized in that, include: Base station (200); The cleaning device (100) according to any one of claims 1-7, wherein the cleaning device (100) is dockable and detachable from the base station (200).

9. A cleaning system (1000), characterized in that, include: The base station (200) has interconnected dust collection duct (210) and bypass duct (220); A cleaning device (100) is dockable and detachable from the base station (200). The cleaning device (100) includes a dust cup assembly (50) and a self-cleaning air duct (11). The cleaning device (100) has a self-cleaning state. In the self-cleaning state, the cleaning device (100) is docked with the base station (200). The dust cup assembly (50) is connected to the dust collection air duct (210), and the self-cleaning air duct (11) is connected to the bypass air duct (220). The bypass ventilation duct (220) and / or the self-cleaning air duct (11) are provided with a second filter element.

10. The cleaning system (1000) according to claim 9, characterized in that, The base station (200) is a motorless base station (200), and the cleaning device (100) is adapted to provide negative pressure to drive airflow along the dust cup assembly (50), the dust collection duct (210), the bypass duct (220) and the self-cleaning duct (11).

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