A base station and a cleaning device

By installing fans and heating modules in the base station, and utilizing the design of circulating airflow and sealing components, the problem of bacterial growth and mold inside the cleaning equipment was solved, achieving dryness and odor reduction in the cleaning device.

CN224474381UActive Publication Date: 2026-07-10BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
Filing Date
2025-06-27
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Bacteria and mold can easily grow inside cleaning equipment, leading to unpleasant odors.

Method used

A fan and a heating module are installed in the base station. The fan generates airflow and the heating module heats the airflow to form a circulating airflow to dry and clean the inside of the device. Combined with sealing components, the airflow sealing and heat utilization are improved.

Benefits of technology

It effectively reduces bacterial growth and mold inside the cleaning device, and reduces odor.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224474381U_ABST
    Figure CN224474381U_ABST
Patent Text Reader

Abstract

The application relates to the dust collection and drying technical field, in particular to a base station and a cleaning device, the base station comprising a fan, a dust collection channel, a second shell and a heating module, wherein the fan is communicated with the dust collection channel; the dust collection channel is provided with a second air inlet, the fan is provided with a second air outlet, and the second air inlet and the second air outlet both extend to the surface of the second shell; and the heating module is used for heating airflow in the dust collection channel. The cleaning device is favorable for reducing the generation of odor.
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Description

Technical Field

[0001] This application relates to the field of dust collection and drying technology, and in particular to a base station and cleaning equipment. Background Technology

[0002] Cleaning equipment is a household appliance used to clean floors in the home. It cleans floors by collecting dust and wiping them.

[0003] Cleaning equipment typically includes robotic vacuum cleaners and base stations. Robotic vacuum cleaners collect dust and debris from the floor and mop the floor. When the collected dust and debris reaches a certain level, the robotic vacuum cleaner will go to the base station to clean up the dust and debris.

[0004] In related technologies, bacteria and mold often grow inside cleaning equipment, producing an unpleasant odor. Utility Model Content

[0005] In view of this, this application provides a base station and cleaning equipment to reduce the generation of odors.

[0006] Specifically, the following technical solutions are included:

[0007] A first aspect of this application provides a base station, the base station comprising a fan, a dust collection channel, a second housing, and a heating module, wherein...

[0008] The fan is connected to the dust collection channel;

[0009] The dust collection channel has a second air inlet, and the fan has a second air outlet. Both the second air inlet and the second air outlet extend to the surface of the second housing.

[0010] The heating module is used to heat the airflow in the dust collection channel.

[0011] In some possible implementations, the fan includes an air outlet duct having a second air outlet, and the heating module is arranged around the wall of the air outlet duct.

[0012] Understandably, the heating module is installed around the wall of the air outlet duct, which can generate heat and conduct the heat to the dust collection duct or the fan. The conduction of heat can increase the temperature of the airflow entering the cleaning device, thereby increasing the drying speed inside the cleaning device.

[0013] In some possible implementations, the base station includes a first seal and a second seal, the first seal surrounding the second air inlet and the second seal surrounding the second air outlet.

[0014] Understandably, the fan can push air to generate airflow. This airflow can enter the cleaning device through the second air outlet and return to the dust collection channel from the second air inlet. This allows the fan to repeatedly push the airflow, reducing power consumption. Furthermore, the repeatedly pushed airflow generates heat, which can dry the interior of the cleaning device, thus reducing odor. The first seal surrounding the second air inlet and the second seal surrounding the second air outlet help reduce airflow leakage from the second air inlet.

[0015] In some possible implementations, the first seal includes a first elastic portion, the direction of which the first elastic portion undergoes elastic deformation is parallel to the orientation of the second air inlet, and / or the second seal includes a second elastic portion, the direction of which the first elastic portion undergoes elastic deformation is parallel to the orientation of the second air outlet.

[0016] Understandably, the direction of elastic deformation of the first elastic part is parallel to the orientation of the second air inlet. This facilitates alignment between the second air inlet and the cleaning device for airflow, and also allows the first elastic part to fill the gap between the cleaning device and the second air inlet, thus improving its sealing performance. Similarly, the direction of elastic deformation of the second elastic part is parallel to the orientation of the second air outlet. This also facilitates alignment between the second air outlet and the cleaning device for airflow, and also allows the second elastic part to fill the gap between the cleaning device and the second air outlet, thus improving its sealing performance.

[0017] In some possible implementations, the dust collection channel includes a second air inlet section and a dust collection section, the dust collection section connecting the second air inlet section and the fan, and the volume of the dust collection section being larger than the volume of the second air inlet section.

[0018] Understandably, the second air intake section guides the airflow, and the dust collection section collects the dust carried by the airflow from the second air intake section, thus cleaning the cleaning device.

[0019] In some possible implementations, the second air inlet and the second air outlet are located on the same side of the second housing.

[0020] Understandably, the second air intake section guides the airflow, and the dust collection section collects the dust carried by the airflow from the second air intake section, thus cleaning the cleaning device.

[0021] A second aspect of this application provides a cleaning device, which includes a base station and a cleaning apparatus as described above. The cleaning apparatus includes a dust removal channel and a first housing, wherein the dust removal channel has a first air inlet and a first air outlet, both of which extend to the surface of the first housing; the first air inlet is used to communicate with a second air outlet; and the first air outlet is used to communicate with the second air inlet.

[0022] Understandably, the dust removal channel can be used to collect dust and debris from the ground. The first air inlet and the first air outlet are connected to the cleaning device base station, improving the connection between them and allowing the airflow generated by the cleaning device base station to be reused, reintroducing the airflow through the dust removal channel. This reused airflow, propelled by the cleaning device base station, generates heat, which helps dry the dust removal channel, reducing the likelihood of bacterial growth and mold development, thus minimizing odor.

[0023] In some possible implementations, the dust removal channel includes a first air inlet section, a dust removal section, and an air outlet section, wherein the first air inlet section, the dust removal section, and the air outlet section are connected in sequence, the volume of the dust removal section is greater than the volume of the first air inlet section and the volume of the air outlet section, the first air inlet section has a first air inlet, and the dust removal section has a first air outlet.

[0024] Understandably, the first air inlet and outlet sections guide the airflow, allowing it to pass through the dust removal channel. The volume of the dust removal section is larger than that of the first air inlet and outlet sections, which facilitates the internal arrangement of related components, such as dust boxes. These components can collect dust from the ground and, under the influence of airflow, guide the dust from the dust removal channel into the cleaning device base station, thus achieving unified processing of dust from the cleaning device.

[0025] In some possible implementations, the cleaning device includes a filter screen located within the dust removal section.

[0026] Understandably, the filter can intercept dust entering the dust removal section from the first air inlet, which helps reduce the amount of dust that has not been processed by the cleaning device base station due to the airflow generated by the reuse of the cleaning device base station and thus improves the dust removal effect.

[0027] In some possible implementations, the dust removal section has a dust inlet located on one side of the dust removal section.

[0028] Understandably, the dust inlet allows dust and debris from the ground to enter the dust removal section. The dust removal section retains the dust and debris, and once the collected amount reaches a certain level, it is discharged from the cleaning device by contacting the cleaning device base station.

[0029] In some possible implementations, the axis of the first air inlet section, the axis of the dust removal section, and the axis of the air outlet section are approximately located in the same plane.

[0030] Understandably, this setup allows for placement within a relatively flat cleaning unit, thus improving the compactness of the cleaning device.

[0031] In some possible implementations, the first air inlet and the first air outlet are located on the same side of the first housing.

[0032] Understandably, the first air inlet and the first air outlet located on the same side facilitate the cleaning device to connect and communicate with the cleaning device base station by applying pressure in the same direction to both.

[0033] The beneficial effects of the technical solution provided in this application embodiment include at least the following: the fan can generate airflow in the dust collection channel, and the airflow can circulate with the sweeping robot through the second air outlet and the second air inlet. The circulated airflow will have a certain amount of heat under the drive of the fan, which can cooperate with the heating module to help dry the dust collection channel, thereby reducing the situation where bacteria and mold often grow inside, and thus reducing the generation of odors. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a side view schematic diagram of a cleaning device provided in an embodiment of this application;

[0036] Figure 2 for Figure 1 Cross-sectional schematic diagram of the cleaning device at point AA;

[0037] Figure 3 for Figure 1 Cross-sectional schematic diagram of the cleaning device base station at point AA;

[0038] Figure 4 This is a partial structural diagram of a cleaning device base station provided in an embodiment of this application;

[0039] Figure 5 This is another schematic diagram of a partial structure of a cleaning device base station provided in an embodiment of this application.

[0040] The reference numerals in the figure indicate:

[0041] 100. Dust removal duct; 101. First air inlet; 102. First air outlet; 1001. First air inlet section; 1002. Dust removal section; 10021. Dust inlet; 1003. Air outlet section;

[0042] 2. First shell;

[0043] 3. Fan; 301. Second air outlet; 302. Air outlet duct;

[0044] 400. Dust collection channel; 401. Second air inlet; 4001. Second air inlet section; 4002. Dust collection section;

[0045] 5. Second shell;

[0046] 6. First sealing element; 61. First elastic part;

[0047] 7. Second sealing element; 71. Second elastic part;

[0048] 8. Heating module;

[0049] 9. Filter screen.

[0050] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0051] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0052] In the embodiments of this application, directional terms such as "upper," "lower," and "side" are generally used in the following ways: Figure 1 The relative positions shown are based on the given information, and these directional terms are used only to more clearly describe the relationships between structures, not to describe absolute positions. Positions may change when the product is placed in different orientations; for example, "up" and "down" may be interchanged.

[0053] Unless otherwise defined, all technical terms used in the embodiments of this application have the same meaning as commonly understood by one of ordinary skill in the art.

[0054] To make the technical solutions and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.

[0055] This application provides a base station, such as Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, the base station includes a fan 3, a dust collection channel 400, a second housing 5, and a heating module 8, wherein...

[0056] Fan 3 is connected to dust collection channel 400;

[0057] The dust collection channel 400 has a second air inlet 401, and the fan 3 has a second air outlet 301. Both the second air inlet 401 and the second air outlet 301 extend to the surface of the second housing 5.

[0058] Heating module 8 is used to heat the airflow within the dust collection channel 400.

[0059] With the above arrangement, the fan 3 can generate airflow within the dust collection channel 400. This airflow can circulate with the robot vacuum cleaner through the second air outlet 301 and the second air inlet 401. The circulating airflow will generate a certain amount of heat under the drive of the fan 3, which, in conjunction with the heating module 8, helps to dry the dust collection channel 100, thereby reducing the likelihood of bacteria growth and mold development inside, and thus reducing the generation of odors.

[0060] In this embodiment, the fan 3 can be an axial fan 3, a centrifugal fan 3, or any other fan 3 capable of pushing air to generate airflow.

[0061] In this embodiment, the heating module 8 can achieve heating through electromagnetic heating, resistance heating, or other methods.

[0062] In some embodiments of this application, such as Figure 5 As shown, the fan 3 includes an air outlet 302, which has a second air outlet 301, and the heating module 8 is arranged in a ring around the wall of the air outlet 302.

[0063] Understandably, the heating module 8 is located on the wall of the air outlet duct 302, which can generate heat and conduct the heat to the dust collection duct 400 or the fan 3. The conduction of heat can increase the temperature of the airflow entering the cleaning device, thereby increasing the drying speed inside the cleaning device.

[0064] In this embodiment, the heating module 8 can be located inside the air outlet channel 302 or outside the air outlet channel 302.

[0065] In some embodiments of this application, such as Figure 3 As shown, the base station includes a first sealing member 6 and a second sealing member 7. The first sealing member 6 surrounds the second air inlet 401, and the second sealing member 7 surrounds the second air outlet 301.

[0066] Understandably, the fan 3 can push air to generate airflow. The airflow can enter the cleaning device through the second air outlet 301 and return to the dust collection channel 400 from the second air inlet 401. This allows the fan 3 to repeatedly push the airflow, reducing power consumption. At the same time, the repeatedly pushed airflow has a certain amount of heat, which can dry the inside of the cleaning device, thereby reducing the occurrence of odors. The first seal 6 surrounds the second air inlet 401 and the second seal 7 surrounds the second air outlet 301, which helps to reduce the leakage of airflow from the second air inlet 401.

[0067] In this embodiment, the first sealing element 6 can achieve a sealing function by undergoing deformation.

[0068] In this embodiment, the second sealing element 7 can achieve a sealing function by undergoing deformation.

[0069] In some embodiments of this application, such as Figure 3 As shown, the first seal 6 includes a first elastic part 61, and the direction of elastic deformation of the first elastic part 61 is parallel to the orientation of the second air inlet 401.

[0070] It is understandable that the direction of the elastic deformation of the first elastic part 61 is parallel to the orientation of the second air inlet 401. This is beneficial for the second air inlet 401 to align with the cleaning device to allow airflow, and also for the first elastic part 61 to deform elastically and fill the gap between the cleaning device and the second air inlet 401, thereby improving its sealing performance.

[0071] In this embodiment, the first elastic part 61 can be a multi-layer structure, with space between each layer for mutual deformation, which helps the first elastic part 61 to improve its sealing performance.

[0072] In some embodiments of this application, such as Figure 3 As shown, the second seal 7 includes a second elastic part 71, and the direction of elastic deformation of the first elastic part 61 is parallel to the orientation of the second air outlet 301.

[0073] It is understandable that the direction of elastic deformation of the second elastic part 71 is parallel to the orientation of the second air outlet 301. This is beneficial for aligning the second air outlet 301 with the cleaning device to allow airflow, and also for the second elastic part 71 to elastically deform and fill the gap between the cleaning device and the second air outlet 301, thereby improving its sealing performance.

[0074] In this embodiment, the second elastic part 71 can be a multi-layer structure, with space between each layer for mutual deformation, which helps the second elastic part 71 to improve its sealing performance.

[0075] In some embodiments of this application, such as Figure 3 As shown, the first sealing member 6 includes a first elastic part 61, the direction of elastic deformation of the first elastic part 61 is parallel to the orientation of the second air inlet 401, and the second sealing member 7 includes a second elastic part 71, the direction of elastic deformation of the first elastic part 61 is parallel to the orientation of the second air outlet 301.

[0076] It is understood that, due to the use of the first sealing member 6 and the second sealing member 7 in the above embodiments, the cleaning device base station in this embodiment has the same technical effect as the above embodiments, and will not be described again here.

[0077] In some embodiments of this application, such as Figure 4 and Figure 5 As shown, the dust collection channel 400 includes a second air inlet section 4001 and a dust collection section 4002. The dust collection section 4002 connects the second air inlet section 4001 and the fan 3. The volume of the dust collection section 4002 is larger than the volume of the second air inlet section 4001. The arrows in the figure indicate the airflow direction.

[0078] Understandably, the second air intake section 4001 guides the airflow, and the dust collection section 4002 collects the dust carried by the airflow from the second air intake section 4001, thus cleaning the cleaning device.

[0079] In this embodiment of the application, the dust collection section 4002 can hold containers such as dust bags, which allow airflow to pass through while intercepting dust carried by the airflow.

[0080] In some embodiments of this application, such as Figure 4 and Figure 5 As shown, the second air inlet 401 and the second air outlet 301 are located on the same side of the second housing 5.

[0081] It is understandable that the second air inlet 401 and the second air outlet 301 located on the same side are conducive to the cleaning device base station connecting the second air inlet 401 and the second air outlet 301 to the cleaning device by generating pressure in the same direction on both.

[0082] In this embodiment of the application, the second air inlet 401 and the second air outlet 301 may be located on the front side of the cleaning device base station.

[0083] like Figure 1 and Figure 2 As shown, a second aspect of this application provides a cleaning device, which includes the base station and cleaning apparatus of the above embodiments. The cleaning apparatus includes a dust removal channel 100 and a first housing 2, wherein the dust removal channel 100 has a first air inlet 101 and a first air outlet 102, both of which extend to the surface of the first housing 2; the first air inlet 101 is used to communicate with a second air outlet 301; and the first air outlet 102 is used to communicate with a second air inlet 401.

[0084] Understandably, the dust removal channel 100 can be used to collect dust and debris from the ground. The first air inlet 101 and the first air outlet 102 are connected to the cleaning device base station, which improves the connection between them and allows for the reuse of the airflow generated by the cleaning device base station, reintroducing the airflow through the dust removal channel 100. The reused airflow, propelled by the cleaning device base station, generates heat, which helps dry the dust removal channel 100, reducing the likelihood of bacterial growth and mold development inside, thus minimizing odor.

[0085] In this embodiment of the application, the dust removal channel 100 can connect and communicate with the cleaning device base station through the first air inlet 101 and the first air outlet 102. At the same time, it has the function of introducing dust from the ground into the base station, so that the dust removal channel 100 can be filled with dust and achieve the function of cleaning the ground.

[0086] In this embodiment of the application, the cleaning device can be a robotic vacuum cleaner.

[0087] In this embodiment, the first housing 2 can protect the dust removal channel 100 and prevent the dust removal channel 100 from directly contacting external objects.

[0088] In some embodiments of this application, such as Figure 2 As shown, the dust removal channel 100 includes a first air inlet section 1001, a dust removal section 1002, and an air outlet section 1003. The first air inlet section 1001, dust removal section 1002, and air outlet section 1003 are connected sequentially. The volume of the dust removal section 1002 is greater than the volumes of the first air inlet section 1001 and the air outlet section 1003. The first air inlet section 1001 has a first air inlet 101, and the dust removal section 1002 has a first air outlet 102. The arrows in the figure indicate the airflow direction.

[0089] Understandably, the first air inlet section 1001 and the air outlet section 1003 guide the airflow, allowing it to pass through the dust removal channel 100. The volume of the dust removal section 1002 is larger than that of the first air inlet section 1001 and the air outlet section 1003, which is beneficial for arranging related components inside, such as dust boxes. These components can collect dust from the ground and, under the blowing of the airflow, introduce the dust from the dust removal channel 100 into the cleaning device base station, thus achieving unified treatment of dust from the cleaning device.

[0090] In some embodiments of this application, such as Figure 2 As shown, the cleaning device includes a filter 9, which is located within the dust removal section 1002.

[0091] Understandably, filter 9 can intercept dust entering the dust removal section 1002 from the first air inlet 101, which helps to reduce the amount of dust that has not been processed by the cleaning device base station due to the airflow generated by the reuse cleaning device base station and thus improves the dust removal effect.

[0092] In this embodiment of the application, the outlet and inlet of the dust removal section 1002 are separated on opposite sides by the filter screen 9. That is, the airflow entering the dust removal section 1002 from the inlet of the dust removal section 1002 needs to pass through the filter screen 9 before leaving the dust removal section 1002 from the outlet of the dust removal section 1002.

[0093] In some embodiments of this application, such as Figure 2 As shown, the dust removal section 1002 has a dust inlet 10021, which is located on one side of the dust removal section 1002.

[0094] It is understandable that the dust inlet 10021 allows dust and debris from the ground to enter the dust removal section 1002. The dust removal section 1002 retains the incoming dust and debris, and after the collected amount reaches a certain level, it can be discharged from the cleaning device by contacting the cleaning device base station.

[0095] In this embodiment of the application, the cleaning device includes a cover plate for covering the dust inlet 10021 to reduce dust leakage.

[0096] In some embodiments of this application, such as Figure 2 As shown, the axis of the first air inlet section 1001, the axis of the dust removal section 1002, and the axis of the air outlet section 1003 are roughly located in the same plane.

[0097] Understandably, this setup allows for placement within a relatively flat cleaning unit, thus improving the compactness of the cleaning device.

[0098] In some embodiments of this application, such as Figure 2As shown, the first air inlet 101 and the first air outlet 102 are located on the same side of the first housing 2.

[0099] It is understandable that the first air inlet 101 and the first air outlet 102 located on the same side are conducive to the cleaning device connecting the first air inlet 101 and the first air outlet 102 to the cleaning device base station by generating pressure in the same direction on both.

[0100] In this embodiment, the first air inlet 101 and the first air outlet 102 may be located on the front side of the cleaning device.

[0101] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The term "multiple" refers to two or more unless otherwise expressly defined.

[0102] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only.

[0103] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this application is limited only by the appended claims.

Claims

1. A base station, characterized in that, The base station includes a fan (3), a dust collection channel (400), a second housing (5), and a heating module (8), wherein, The fan (3) is connected to the dust collection channel (400); The dust collection channel (400) has a second air inlet (401), and the fan (3) has a second air outlet (301). Both the second air inlet (401) and the second air outlet (301) extend to the surface of the second housing (5). The heating module (8) is used to heat the airflow in the dust collection channel (400).

2. The base station according to claim 1, characterized in that, The fan (3) includes an air outlet channel (302), the air outlet channel (302) has a second air outlet (301), and the heating module (8) is arranged around the wall of the air outlet channel (302).

3. The base station according to claim 1, characterized in that, The base station includes a first seal (6) and a second seal (7), the first seal (6) surrounding the second air inlet (401) and the second seal (7) surrounding the second air outlet (301).

4. The base station according to claim 3, characterized in that, The first seal (6) includes a first elastic portion (61), the direction of which the first elastic portion (61) undergoes elastic deformation is parallel to the orientation of the second air inlet (401). And / or, The second seal (7) includes a second elastic part (71), and the direction in which the first elastic part (61) undergoes elastic deformation is parallel to the orientation of the second air outlet (301).

5. The base station according to claim 1, characterized in that, The dust collection channel (400) includes a second air inlet section (4001) and a dust collection section (4002). The dust collection section (4002) connects the second air inlet section (4001) and the fan (3). The volume of the dust collection section (4002) is greater than the volume of the second air inlet section (4001).

6. The base station according to claim 1, characterized in that, The second air inlet (401) and the second air outlet (301) are located on the same side of the second housing (5).

7. A cleaning device, comprising a base station and a cleaning apparatus as described in any one of claims 1 to 6, the cleaning apparatus comprising a dust removal channel (100) and a first housing (2), wherein, The dust removal channel (100) has a first air inlet (101) and a first air outlet (102), both of which extend to the surface of the first housing (2). The first air inlet (101) is used to communicate with the second air outlet (301); The first air outlet (102) is used to communicate with the second air inlet (401).

8. The cleaning equipment according to claim 7, characterized in that, The dust removal channel (100) includes a first air inlet section (1001), a dust removal section (1002), and an air outlet section (1003). The first air inlet section (1001), the dust removal section (1002), and the air outlet section (1003) are connected in sequence. The volume of the dust removal section (1002) is greater than the volume of the first air inlet section (1001) and the volume of the air outlet section (1003). The first air inlet section (1001) has a first air inlet (101), and the dust removal section (1002) has a first air outlet (102).

9. The cleaning equipment according to claim 8, characterized in that, The cleaning device includes a filter (9) located within the dust removal section (1002).

10. The cleaning equipment according to claim 8, characterized in that, The dust removal section (1002) has a dust inlet (10021) located on one side of the dust removal section (1002).

11. The cleaning equipment according to claim 8, characterized in that, The axis of the first air inlet section (1001), the axis of the dust removal section (1002), and the axis of the air outlet section (1003) are approximately located in the same plane.

12. The cleaning equipment according to claim 8, characterized in that, The first air inlet (101) and the first air outlet (102) are located on the same side of the first housing (2).