Cleaning apparatus, cleaning assembly and cleaning control method

Abstract

The application discloses a cleaning device, a cleaning assembly and a cleaning control method. The cleaning device comprises a machine body, a first cleaning assembly and a second cleaning assembly. The first cleaning assembly and the second cleaning assembly are connected with the machine body. The first cleaning assembly comprises a suction device, and the suction device has a suction port. When the cleaning device is cleaning on a working plane, there is an uncleaned area to be cleaned on the working plane. The suction device cleans the area to be cleaned through the suction port before the second cleaning assembly. The first cleaning assembly cleans the working plane before the second cleaning assembly, so that the replacement frequency of the second cleaning assembly is reduced, and the burden of the user when using the device is reduced.

Description

Technical Field

[0001] This application relates to the field of cleaning equipment, and in particular to a cleaning device, cleaning components, and cleaning control method. Background Technology

[0002] As people's living standards improve, more and more families are starting to use window cleaning robots to clean their windows in order to reduce labor intensity and improve their quality of life.

[0003] Existing window cleaning robots typically have a cloth attached to the bottom of their body to clean the glass surface. While this cloth effectively cleans the glass, it has a limited dust-holding capacity. Once the cloth reaches its limit, it can no longer absorb dust, requiring the user to replace it. Clearly, window cleaning robots rely on frequent cloth replacements to operate continuously, increasing the user's workload and negatively impacting the user experience. Summary of the Invention

[0004] The purpose of this application is to provide a cleaning device, cleaning components, and cleaning control method that can reduce the burden on users when using the device.

[0005] To achieve the above objectives, this application provides a cleaning device, which includes at least a body, a first cleaning component, and a second cleaning component, wherein the first cleaning component and the second cleaning component are respectively connected to the body; the first cleaning component includes at least a suction device, and the suction device has a suction port; when the cleaning device cleans on a working surface, there is an uncleaned area to be cleaned on the working surface, and the suction device cleans the area to be cleaned through the suction port before the second cleaning component.

[0006] To achieve the above objectives, this application also provides a cleaning assembly, comprising at least a cleaning nozzle and a scraper; the cleaning nozzle has a fluid channel having a waste outlet and a waste inlet; the scraper is connected to the cleaning nozzle and is located at the waste inlet; a skirt is formed at the bottom of the scraper, the skirt protrudes from the scraper toward the waste inlet, and the skirt has a first side and a second side, the first side and the second side having a preset angle; when the scraper is in a cleaning state, the friction between the scraper and the working surface drives the scraper to deform, so that the first side contacts the working surface.

[0007] To achieve the above objectives, this application also provides a cleaning control method, the method comprising: determining the direction of travel of the machine; if the direction of travel is a first direction of travel, then turning on a first switch and turning off a second switch, so that the suction device cleans the working surface through a first cleaning nozzle; if the direction of travel is a second direction of travel, then turning on the second switch and turning off the first switch, so that the suction device cleans the working surface through a second cleaning nozzle.

[0008] Therefore, the technical solution provided in this application includes a cleaning device comprising a body, a first cleaning component, and a second cleaning component. The first cleaning component may include a suction device with a suction port, which can clean the area to be cleaned before the second cleaning component. Thus, when the cleaning device cleans the work surface, the first cleaning component can first suction up the debris, and then the second cleaning component cleans it. Compared to using the second cleaning component alone, this reduces the amount of dust adhering to the second cleaning component during the cleaning process, thereby increasing its continuous working time. This eliminates the need for frequent replacement and cleaning of the second cleaning component, reducing the burden on the user and improving the user experience. Furthermore, the simultaneous use of the first and second cleaning components to clean the work surface further enhances the cleaning effect. Attached Figure Description

[0009] 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.

[0010] Figure 1 This is a schematic diagram of the working state of the cleaning equipment in one embodiment provided in this application;

[0011] Figure 2 This is a schematic diagram of the structure of the first cleaning component in one embodiment provided in this application;

[0012] Figure 3 This is a schematic diagram of the suction device in one embodiment provided in this application;

[0013] Figure 4 This is a schematic diagram of the working state of the cleaning equipment in another embodiment provided in this application;

[0014] Figure 5This is a partial cross-sectional view of the structure of the first cleaning component in one embodiment provided in this application;

[0015] Figure 6 yes Figure 5 Enlarged view of part A;

[0016] Figure 7 This is a schematic diagram of the shielding member in one embodiment provided in this application;

[0017] Figure 8 This is a schematic diagram of the structure of the scraping component in one embodiment provided in this application;

[0018] Figure 9 This is a schematic diagram of the structure of the scraper after deformation in one embodiment provided in this application;

[0019] Figure 10 This is a partial exploded view of the structure of the first cleaning component in one embodiment provided in this application;

[0020] Figure 11 This is a bottom view of the cleaning equipment in another embodiment provided in this application;

[0021] Figure 12 This is an exploded schematic diagram of the cleaning equipment in another embodiment provided in this application;

[0022] Figure 13 This is a schematic diagram of the structure of the first cleaning component in another embodiment provided in this application. Detailed Implementation

[0023] To make the objectives, 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. Terms used in this application to indicate spatial relative positions, such as "above," "over," "below," "under," "first end," "second end," "one end," and "other end," are for ease of explanation to describe the relationship of one unit or feature relative to another unit or feature as shown in the accompanying drawings. The terms of spatial relative positions may be intended to include different orientations of the device in use or operation other than those shown in the figures. For example, if the device in the figures is flipped, a unit described as being "below" or "under" other units or features would be located "above" other units or features. Therefore, the exemplary term "below" can encompass both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or other orientations), and the spatially related descriptive terms used herein will be interpreted accordingly.

[0024] Furthermore, the terms "installation," "setup," "equipped with," "connection," "sliding connection," "fixed," and "sleeve connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0025] As people's living standards improve, more and more families are starting to use window cleaning robots to clean their windows in order to reduce labor intensity and improve their quality of life.

[0026] Existing window cleaning robots typically have a cleaning cloth installed at the bottom of their bodies. When the window cleaning robot is working, the body adheres to the glass surface through negative pressure, squeezing the cleaning cloth between the body and the glass surface. Then, the walking mechanism drives the body to move on the glass surface, thereby causing the cleaning cloth to rub against the glass surface, and the cleaning cloth can remove debris (such as dust or sewage) from the glass surface.

[0027] While the aforementioned cloths can effectively clean glass surfaces, they have a limited dust-holding capacity. When this capacity is reached, the debris rubbed off the glass cannot be absorbed and instead remains on the glass, causing secondary contamination. Therefore, to ensure cleaning effectiveness, users need to change the cloths frequently during the window cleaning robot's operation. Clearly, the window cleaning robot relies on frequent cloth changes to operate continuously, especially in dusty environments. This increases the user's workload, negatively impacts the user experience, and significantly reduces the robot's efficiency.

[0028] Furthermore, during the process of changing the cleaning cloth, users need to remove the window cleaning robot from the glass, disassemble the cleaning cloth, wash the cloth, install the cloth, and then reattach the robot to the glass surface. It is evident that the existing window cleaning robot's cloth-changing operation is extremely cumbersome, and frequent cloth changes can damage the connection structure, causing fatigue damage and affecting the product's lifespan.

[0029] Therefore, how to improve the structure of cleaning equipment to reduce the number of times the cleaning cloth needs to be replaced, thereby reducing the burden on users and improving the user experience, has become an urgent issue to be addressed in this field.

[0030] The technical solutions in the embodiments of this application will now be clearly and completely described with reference to the accompanying drawings. Obviously, the embodiments described in this application are only a part of the embodiments, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments in this application without inventive effort are within the scope of protection of this application.

[0031] Please see Figure 1 As shown, in one feasible embodiment, the cleaning device may include at least a body 1, a first cleaning component 2, and a second cleaning component 3, which are respectively connected to the body 1. Thus, when the body 1 moves on the working surface a, it can drive the first cleaning component 2 and the second cleaning component 3 to clean the working surface a. This allows the cleaning device to clean the working surface a twice, improving the cleaning effect. In this embodiment, the cleaning device may include, but is not limited to, window cleaning robots, sweeping robots, and floor scrubbing robots. The working surface a may refer to the surface being cleaned by the aforementioned cleaning device, such as a glass surface, wall surface, or floor.

[0032] In one feasible implementation, please also refer to Figures 1 to 3 As shown, the first cleaning component 2 may include at least a suction device 21, and the suction device 21 has a suction port 211 through which it can suction out debris. When the cleaning equipment is cleaning on the working surface a, there is an uncleaned area b to be cleaned on the working surface a. The suction device 21 can clean the area b to be cleaned before the second cleaning component 3 through the suction port 211. In other words, during the cleaning process, the suction device 21 can first suction and clean the area b to be cleaned through the suction port 211, and then the second cleaning component 3 cleans the area b to be cleaned.

[0033] In this embodiment, the suction device 21 first cleans the area b to be cleaned through the suction port 211, and then the second cleaning component 3 cleans the area b a second time. Compared with the method of using the second cleaning component 3 alone to clean the area b, the solution provided in this application can reduce the amount of dust adhering to the second cleaning component 3, thereby extending the time it takes for the second cleaning component 3 to reach its dust holding capacity limit. This increases the single working time of the second cleaning component 3, reduces the number of times the user needs to replace and clean the second cleaning component 3, thereby improving the working efficiency of the cleaning equipment and the user experience, and reducing the user's burden. At the same time, the reduction in the number of times the second cleaning component 3 needs to be replaced can also reduce structural fatigue damage at the connection between the second cleaning component 3 and the body 1, and improve the product's service life.

[0034] It should be noted that the area to be cleaned b as defined in this application refers to the area to be cleaned as follows: when the cleaning equipment is cleaning on the working plane a, the working plane a can be divided into a cleaned area, a cleaning area and an uncleaned area according to the cleaning situation, and the uncleaned area is the aforementioned area to be cleaned b.

[0035] In practical applications, the second cleaning component 3 can be constructed as a component that cleans the working surface a through friction with the working surface a. For example, the second cleaning component 3 can be a rag or a cleaning brush, but is not limited thereto.

[0036] Furthermore, the suction port 211 has a first cleaning range, and the second cleaning component 3 has a second cleaning range. The first cleaning range covers the second cleaning range, so that when the cleaning device cleans on the working plane a, the area cleaned by the second cleaning component 3 is pre-cleaned by the suction device 21 through the suction port 211.

[0037] It should be noted that the first cleaning range refers to the area cleaned by the suction port 211 during the movement of the cleaning equipment. Similarly, the second cleaning range refers to the area cleaned by the second cleaning component 3 during the movement of the cleaning equipment.

[0038] In this embodiment, when the cleaning equipment cleans the working surface a, the suction device 21 cleans the area b to be cleaned before the second cleaning component 3 through the suction port 211, and the first cleaning range covers the second cleaning range. In this way, it can be ensured that the area cleaned by the second cleaning component 3 is cleaned by the suction device 21 through the suction port 211 in advance, thereby slowing down the speed at which the second cleaning component 3 reaches its dirt-holding limit, ultimately reducing the number of times the second cleaning component 3 is replaced and ensuring the cleaning effect.

[0039] For the specific structure of the suction device 21 mentioned above, please refer again. Figure 3 In one feasible embodiment, the suction device 21 may include at least a trash can 212 and a suction component 213. The trash can 212 has an opening to form the aforementioned suction port 211. The suction end of the suction component 213 communicates with the trash can 212, and when the suction component 213 is working, it can create a negative pressure area inside the trash can 212. Thus, under the action of the pressure difference between the inside and outside of the trash can 212, a rapid airflow is formed at the suction port 211. Under the action of the rapid airflow and the pressure difference, the trash is sucked from the suction port 211 into the trash can 212 for storage, thereby achieving the suction of trash.

[0040] In this embodiment, the air intake component 213 can be a separate fan, which can exhaust the air inside the trash can 212 into the outside air by rotating the fan, thereby creating a negative pressure area inside the trash can 212.

[0041] Furthermore, to improve the cleaning effect of the cleaning equipment, please refer to [link / reference needed]. Figure 4 As shown, in one feasible embodiment, the cleaning device may further include a spraying assembly 4. The spraying assembly 4 is connected to the body 1, and when the cleaning device is cleaning on the working plane a, the spraying assembly 4 may spray liquid (clean water, cleaning fluid, or a mixture of both, etc.) onto the area b to be cleaned before the first cleaning assembly 2.

[0042] In this embodiment, when the cleaning equipment is cleaning on the working surface a, the spray component 4 can first spray liquid onto the area b to be cleaned, dissolving the dried stains on the area b in advance. Then, the first cleaning component 2 absorbs and cleans the area b, followed by the second cleaning component 3. In this way, by spraying liquid onto the area b in advance, the spray component 4 dissolves the dried stains on the area b, facilitating the subsequent cleaning by the first and second cleaning components 2 and 3. This solves the problem that dried stains cannot be cleaned by the first and second cleaning components 2 and 3, thereby improving the cleaning effect of the cleaning equipment on the working surface a.

[0043] It should be noted that the spraying component 4 defined in this application can refer to the prior art. For example, the spraying component 4 may include a water tank and a water pump. The water pump draws out the liquid in the water tank and sprays it onto the area b to be cleaned. This application will not elaborate further here.

[0044] The aforementioned suction device 21 can be directly installed at the front of the machine body 1 in the direction of travel, allowing it to clean the debris on the working surface a before the second cleaning component 3 via the suction port 211. However, in some scenarios, due to the machine's structural layout, the suction device 21 cannot be directly installed at the front of the machine body 1 in the direction of travel. To achieve the goal of the suction device 21 cleaning the working surface a before the second cleaning component 3, in one feasible embodiment, a fluid channel 221 can be provided on the cleaning device, and the suction port 211 of the suction device 21 can be connected to the fluid channel 221. This utilizes the guiding effect of the fluid channel 221 to achieve the goal of the suction device 21 cleaning the debris on the working surface a before the second cleaning component 3.

[0045] Regarding the specific configuration of the fluid channel 221 described above, this application provides two specific embodiments below.

[0046] In the first embodiment, please refer to [the following text is also included]: Figure 2 and Figure 5As shown, the first cleaning assembly 2 also includes a cleaning nozzle 22, which is fixed to the body 1. The cleaning nozzle 22 has a fluid channel 221, which has a waste inlet 2211 and a waste outlet 2212, the waste outlet 2212 being connected to the suction port 211. The waste inlet 2211 is located on the side of the cleaning nozzle 22 facing the working plane a, so that the suction device 21 can suck up the debris through the waste inlet 2211, thereby cleaning the working plane a. In this way, the fluid channel 22 can extend the suction flow path of the suction device 21. At the same time, by directly sucking up the debris through the waste inlet 2211, the suction port 211 does not need to face the working plane a directly. Thus, the suction device 21 can be set to the corresponding state as needed and installed at the corresponding position on the body 1, thereby facilitating the installation and arrangement of the suction device 21 on the body 1.

[0047] In this embodiment, when the suction device 21 sucks up the garbage, the suction component 213 creates a negative pressure in the fluid channel 221. Under the action of the negative pressure, the garbage passes through the waste inlet 2211, the fluid channel 221 and the waste outlet 2212 in sequence and enters the garbage bin 212, where the garbage bin 212 stores the garbage.

[0048] In practical applications, please refer to Figure 11 As shown, since the suction port 211 is connected to the waste outlet 2212, the suction device 21 can suck up the garbage through the waste inlet 2211. Therefore, the first cleaning range is transformed into the cleaning range sucked up by the waste inlet 2211.

[0049] To ensure that the first cleaning area covers the second cleaning area, please refer to [link / reference]. Figure 11 As shown, the waste inlet 2211 of this application has a first cleaning width c, and the second cleaning component 3 has a second cleaning width e. The first cleaning width c should be greater than or equal to the second cleaning width e, and the line of symmetry of the waste inlet 2211 coincides with the line of symmetry of the second cleaning component 3. In this way, during the cleaning process of the cleaning equipment, the second cleaning range can be covered by the first cleaning range, thereby slowing down the rate at which the second cleaning component 3 reaches its dirt-holding limit, thus reducing the number of times the second cleaning component 3 needs to be replaced and ensuring the cleaning effect.

[0050] In one implementation, please refer again. Figure 11 As shown, the waste inlet 2211 can be constructed as an elongated opening that extends along the width direction of the body 1. The waste inlet 2211 can be a U-shaped structure, with the curved ends of the U-shape designed to avoid interference with the edge detection sensor installed at the bottom of the body 1. Furthermore, the suction port 211 and the waste outlet 2212 can be connected by a pipe, which allows for easier installation of the suction device 21 inside the body 1.

[0051] It should be noted that the width direction of the body 1 as defined in this application refers to the horizontal direction facing the bottom view of the cleaning equipment, i.e. Figure 11 The width direction is shown.

[0052] In the second embodiment, the fluid channel 221 can also be integrally designed with the body 1. Specifically, the fluid channel 221 can be directly formed inside the body 1, wherein the fluid channel 221 has a waste inlet 2211 and a waste outlet 2212. The waste inlet 2211 is located on the side of the body 1 facing the working plane a. The waste outlet 2212 is connected to the suction port 211, so that the suction device 21 can suck up waste through the waste inlet 2211.

[0053] In practical applications, the fluid channel 221 can be integrally formed during the injection molding of the body 1. Of course, the fluid channel 221 can also be processed after the body 1 is formed.

[0054] In one feasible implementation, please also refer to Figure 5 and Figure 6 As shown, the first cleaning component 2 may further include a scraper 23, which is connected to the cleaning suction head 22. When the cleaning device cleans the working surface a, the scraper 23 is in a cleaning state. At this time, the scraper 23 contacts the working surface a to scrape the debris on the working surface a to the waste inlet 2211. The above structure can solve the problem that debris adheres to the working surface a and cannot be sucked up by the suction device 21, thereby improving the cleaning effect of the first cleaning component 2 and further reducing the amount of dust adhering to the subsequent second cleaning component 3.

[0055] In practical applications, the scraper 23 can be located on the side of the waste inlet 2211 near the second cleaning component 3. In this way, when the cleaning equipment moves, the side of the scraper 23 near the waste inlet 2211 can scrape off the debris on the working surface a, and the scraped debris is located directly below the waste inlet 2211, thereby facilitating the suction device 21 to suction and clean the working surface a.

[0056] If the ventilation area between the waste inlet 2211 and the external air is too large, the airflow velocity at the ventilation point between the waste inlet 2211 and the external air may decrease, thereby preventing the suction device 21 from suctioning the waste on the working plane a. Therefore, this application provides two specific embodiments to solve the above problems.

[0057] In the first embodiment, please refer again. Figure 5 and Figure 6As shown, the first cleaning component 2 may also include a shield 24. The shield 24 is connected to the cleaning nozzle 22, and the shield 24 and the scraper 23 surround the waste inlet 2211. The shield 24 is used to shield the waste inlet 2211 from the external ventilation opening. It should be noted that when the cleaning equipment is cleaning the working surface a, the shield 24 is in a clean state, and a gap should be left between the shield 24 and the working surface a. In this way, external air can enter into the waste inlet 2211 through the gap, so that the ventilation opening between the waste inlet 2211 and the external air has a sufficient air flow rate, thereby dragging the debris on the working surface a up into the waste inlet 2211.

[0058] In this embodiment, since the bottom of the cleaning suction head 22 is already connected to the scraper 23, and the scraper 23 contacts the working surface a when the cleaning device cleans the working surface a, it can be understood that the scraper 23 has sealed one side of the area between the waste inlet 2211 and the working surface a. Therefore, adding a shield 24 to the other side of the area between the waste inlet 2211 and the working surface a is equivalent to reducing the ventilation area of ​​the waste inlet 2211 and the external air. Thus, with a fixed suction flow rate at this point, the flow velocity will naturally increase as the ventilation area decreases. Therefore, the shield 24 can ensure the flow velocity of the waste inlet 2211 and the external air ventilation area, solving the problem of the flow velocity decreasing at the waste inlet 2211 and the external air ventilation area due to an excessively large ventilation area, allowing the suction device 21 to smoothly suck up the garbage on the working surface a.

[0059] In the second embodiment, which differs from the previous embodiment, please refer to [link to previous embodiment]. Figure 7 As shown, the bottom of the shield 24 may also have several notches 241. When the shield 24 is in a clean state, it contacts the working surface a, allowing external gas to enter the waste inlet 2211 through the notches 241. In other words, when the cleaning equipment cleans the working surface a, both the scraper 23 and the shield 24 are in contact with the working surface a, and the scraper 23 and the shield 24 isolate the waste inlet 2211 from the outside air. Thus, external gas can only enter the waste inlet 2211 through the notches 231.

[0060] In this embodiment, since the scraper 23 has already sealed one side of the area between the waste inlet 2211 and the working plane a, the addition of the shield 24 seals the other side of the area between the waste inlet 2211 and the working plane a. Furthermore, the shield 24 has several notches 241, which effectively reduces the ventilation area between the waste inlet 2211 and the external air. This ensures the airflow velocity at the ventilation point between the waste inlet 2211 and the external air, allowing the suction device 21 to smoothly suck up the waste on the working plane a. The notches 241 can also block large particles in the waste sucked up by the suction device 21, preventing particles larger than the area of ​​the notch 241 from being sucked up, thus achieving a screening effect, preventing blockage of the fluid channel 221, and ensuring the normal operation of the cleaning equipment.

[0061] It should be noted that, for ease of description, this application defines the end of the shield 24 connected to the cleaning nozzle 22 as the top of the shield 24 and the other end of the shield 24 as the bottom of the shield 24.

[0062] Furthermore, to prevent missed areas from being drawn during cleaning of the working surface a by the suction device 21, the notches 241 may have a specific arrangement. See one possible implementation for details. Figure 7 As shown, several gaps 241 have a preset arrangement. Through this preset arrangement, external air can enter the waste inlet 2211 evenly, ensuring sufficient gas flow velocity at each point of the waste inlet 2211 to drag the waste upwards into the fluid channel 221. Furthermore, the gaps 241 have a preset area, ensuring that the total ventilation area of ​​the gaps 241 meets a first preset value. The specific value of the first preset value can be set by technicians based on experience.

[0063] In practical applications, the preset arrangement can be a linear array, for example, several notches 241 are arranged in a linear array along the width direction of the shield 24. It should be particularly noted that the aforementioned first preset value should satisfy two conditions: firstly, it should ensure sufficient gas flow velocity at the waste inlet 2211 so that the collected waste can rise into the fluid channel 221; secondly, the first preset value should be slightly larger than the cross-sectional area of ​​the pipe between the waste outlet 2212 and the suction port 211. This ensures that the suction power at the pipe is greater than the suction power at the waste inlet 2211, allowing the waste to be smoothly sucked into the waste bin 212 for storage, preventing the waste from rising to the pipe and being unable to continue rising, thus affecting the normal operation of the cleaning equipment.

[0064] In one feasible implementation, please also refer to Figure 6 , Figure 8 and Figure 9As shown, there is a preset distance d between the bottom surface of the scraper 23 and the bottom surface of the shield 24, and the bottom surface of the scraper 23 is located below the bottom surface of the shield 24. That is, when the cleaning device is placed on the working plane a, there is an interference fit between the scraper 23 and the working plane a, which causes the scraper 23 to be deformed by compression between the body 1 and the working plane a. As the cleaning device moves on the working plane a, the scraper 23 is in a cleaning state. At this time, the friction between the scraper 23 and the working plane a can drive the scraper 23 to continue to deform, causing the scraper 23 to bend away from the direction of travel.

[0065] It should be noted that, for ease of explanation, please refer to [reference needed]. Figure 6 As shown, in this application, the side of the scraper 23 away from the cleaning head 22 is defined as the bottom surface of the scraper 22. Similarly, before the shield 24 deforms, the side of the shield 24 away from the cleaning head 22 is defined as the bottom surface of the shield 24. The direction of travel defined in this application refers to the direction in which the cleaning device moves when it cleans on the working plane a.

[0066] In this embodiment, when the scraper 23 is in a cleaning state, it undergoes a bending deformation away from the direction of travel. Since an elastically deformed object tends to return to its original shape, the scraper 23 applies a spring force to the working surface a. This spring force causes the scraper 23 to exert downward pressure on the working surface a, thereby improving the scraping effect of the scraper 23 on the working surface a and preventing water stains from being left behind. At the same time, the downward pressure exerted by the scraper 23 on the working surface a ensures that the scraper 23 remains in contact with the working surface a. This reduces the change in the area between the waste inlet 2211 and the external ventilation area, maintains the gas flow rate, gas velocity, and pressure difference at the waste inlet 2211, and ensures that the waste can be properly sucked up.

[0067] In practical applications, the scraper 23 may include a fixing part 232 and an extension part 233. The fixing part 232 is used to connect with the cleaning nozzle 22 to fix the scraper 23. The extension part 233 extends downward from the fixing part 232. The cross-section of the extension part 233 is strip-shaped, and there is a concave arc-shaped transition surface 234 between the extension part 233 and the fixing part 232. This arc-shaped transition surface 234 is located on the side of the extension part 233 away from the waste inlet 2211. This allows the scraper 23 to easily bend and deform away from the waste inlet 2211. The scraper 23 should be an elastic element and may be made of materials such as PVC, TPE, and PTFE to improve the wear resistance of the scraper 23 and reduce frictional noise between the scraper 23 and the working surface a. The preset spacing d can be between 0.5mm and 1mm, which can limit the deformation of the scraper 23 and prevent the scraper 23 from being too deformed, which would cause excessive friction between the scraper 23 and the working surface a, affecting the normal movement of the cleaning equipment.

[0068] Furthermore, the bottom of the scraper 23 may also have a skirt 231. The skirt 231 may protrude from the scraper 23 toward the waste inlet 2211, and the protrusion may be triangular in shape. The skirt 231 has a first side surface 2311 and a second side surface 2312, and the first side surface 2311 and the second side surface 2312 have a preset angle α. When the scraper 23 is in a clean state, the first side surface 2311 is in contact with the working plane α.

[0069] In this embodiment, when the scraper 23 is in a clean state, it deforms, causing the first side surface 2311 to contact the working plane a. At this time, a surface contact is formed between the scraper 23 and the working plane a. Compared to a line contact, this improves the sealing effect between the scraper 23 and the working plane a, thus ensuring the flow rate and pressure difference between the waste inlet 2211 and the external air ventilation point. The preset angle α can be a right angle, so that when the first plane 2311 contacts the working plane a, the second plane 2312 is perpendicular to the working plane a, improving the scraping effect and efficiency. Simultaneously, the second side surface 2312 facilitates the upward movement of waste along this surface, improving waste collection efficiency. The preset angle α can also be an acute angle; this application does not specifically limit its application.

[0070] In practical applications, the skirt 231 and the scraper 23 can be integrally molded. Alternatively, after the scraper 23 is molded, the skirt 231 and the scraper 23 can be connected by gluing or hot-melt.

[0071] For details regarding the specific structure of the cleaning nozzle 22 mentioned above, please refer to [link / reference needed]. Figure 10As shown, in one feasible embodiment, the cleaning nozzle 22 may include a first housing 224 and a second housing 225. The first housing 224 is connected to the second housing 225, such that the first housing 224 and the second housing 225 can surround to form a fluid channel 221, with an outlet 2212 formed at one end of the fluid channel 221 and an inlet 2211 formed at the other end. The bottom of the first housing 224 is connected to a scraper 23, and the bottom of the second housing 225 is connected to a shield 24, such that the scraper 23 and the shield 24 can surround the inlet 2211.

[0072] In practical applications, the first housing 224 and the scraper 23 can be manufactured using a secondary coating process, as can the second housing 225 and the shield 24. Then, the first housing 224 and the second housing 225 are connected as a single unit via snap-fitting, ultrasonic welding, or adhesive bonding to form the cleaning nozzle 22. Of course, other connection methods or sequences can be used between the first housing 224 and the scraper 23, between the second housing 225 and the shield 24, and between the first housing 224 and the second housing 225; this application does not impose specific limitations on these connections.

[0073] In one feasible implementation, please refer to Figure 11 and Figure 12 As shown, the machine body 1 can also be equipped with a negative pressure source 5 and a walking mechanism 6. The machine body 1 can be adsorbed onto the working surface a by the negative pressure source 5, and the walking mechanism 6 is used to drive the machine body 1 to walk on the working surface a, thereby driving the first cleaning component 2 and the second cleaning component 3 to clean the working surface a. The negative pressure source 5 and the walking mechanism 6 can refer to the prior art, and will not be described in detail here.

[0074] In practical applications, the body 1 may include a base 11 and a top cover 12, with the top cover 12 connected above the base 11. The negative pressure source 5, the walking mechanism 6, the first cleaning component 2, and the second cleaning component 3 are respectively mounted on the base 11.

[0075] It should be noted that the walking mechanism 6 can drive the body 1 to move in any direction, thus the body 1 can have several directions of travel. The cleaning nozzle 22 determines its position on the body 1 according to the direction of travel, thereby ensuring that the first cleaning component 2 can clean the working surface a before the second cleaning component 3. The following explanation uses examples of the walking mechanism 6 having one direction of travel and two directions of travel.

[0076] When the traveling mechanism 6 has a single direction of travel, please refer to the following: Figure 1 and Figure 4As shown, in the direction of travel, the waste inlet 2211 of the first cleaning component 2 should be located in front of the second cleaning component 3. In this way, when the machine body 1 moves in the direction of travel, the first cleaning component 2 can clean the working surface a before the second cleaning component 3.

[0077] When the traveling mechanism 6 has two directions of travel, and these two directions of travel are opposite, please refer to the following: Figures 11 to 13 As shown. In one feasible embodiment, the cleaning nozzle 22 can have two parts, namely a first cleaning nozzle 222 and a second cleaning nozzle 223. The first cleaning nozzle 222 and the second cleaning nozzle 223 are respectively connected to the body 1. The line connecting the first cleaning nozzle 222 and the second cleaning nozzle 223 is parallel to the traveling direction of the body 1, and the second cleaning assembly 3 is located between the first cleaning nozzle 222 and the second cleaning nozzle 223. That is, when the body 1 moves in either of the two traveling directions, there is always a cleaning nozzle 22 in front of the second cleaning assembly 3 in that traveling direction. This ensures that the first cleaning assembly 2 can clean the working surface a before the second cleaning assembly 3.

[0078] In practical applications, the first cleaning nozzle 222 and the second cleaning nozzle 223 can be connected to the suction port 211 of the same suction device 21, so that one suction device 21 can simultaneously control two cleaning nozzles 22 for suction cleaning. Of course, two suction devices 21 can also be used, each connected to the first cleaning nozzle 222 and the second cleaning nozzle 223 respectively, so that each suction device 21 controls the corresponding cleaning nozzle 22 to suck up the garbage.

[0079] For ease of understanding, a detailed explanation will be given using the example of the first cleaning nozzle 222 and the second cleaning nozzle 223 being connected to the suction port 211 of the same suction device 21.

[0080] In one feasible implementation, please refer again to Figure 13 As shown, the first cleaning component 2 also includes a first main path 251. One end of the first main path 251 is connected to the suction port 211, and the other end of the first main path 251 is provided with a branch portion 252, which branches into a first branch path 253 and a second branch path 254. The first branch path 253 is connected to the waste outlet 2212 of the first cleaning suction head 222, and the second branch path 254 is connected to the waste outlet 2212 of the second cleaning suction head 223. Thus, when the suction device 21 is working, the waste sucked up by the first cleaning suction head 222 can sequentially enter the waste bin 212 through the first branch path 253 and the first main path 251, and the waste sucked up by the second cleaning suction head 223 can sequentially enter the waste bin 212 through the second branch path 254 and the first main path 251.

[0081] In practical applications, the first main path 251, branch 252, first branch 253, and second branch 254 can be channel structures formed inside the body 1 during injection molding. Of course, the first main path 251, first branch 253, and second branch 254 can also be pipelines, with the branch 252 using a tee connector to connect the first main path 251, first branch 253, and second branch 254.

[0082] Furthermore, the first branch 253 can be connected in series with a first switch 255 to control the on / off state of the first branch 253. When the first switch 255 controls the first branch 253 to be open, the first cleaning nozzle 222 performs suction work; when the first switch 255 controls the first branch 253 to be closed, the first cleaning nozzle 222 does not perform suction work. The second branch 254 is connected in series with a second switch 256 to control the on / off state of the second branch 254. When the second switch 256 controls the second branch 254 to be open, the second cleaning nozzle 223 performs suction work; when the second switch 256 controls the second branch 254 to be closed, the second cleaning nozzle 223 does not perform suction work. In this way, the cleaning equipment can selectively control one nozzle to perform suction work while the other nozzle does not work, thereby ensuring the suction power of the nozzle in the working state.

[0083] In this embodiment, the cleaning device can control the first cleaning nozzle 222 or the second cleaning nozzle 223 to perform suction work by determining the direction of travel of the body 1. For example, if the direction of travel of the body 1 is the first direction of travel, and the first cleaning nozzle 222 is located in front of the second cleaning component 3 and the second cleaning nozzle 223 is located behind the second cleaning component 3 in the first direction of travel, then the first switch 255 is turned on and the second switch 256 is turned off, so that the first cleaning nozzle 222 performs suction work and the second cleaning nozzle 223 does not perform suction work. In this way, it can be ensured that the suction device 21 performs suction cleaning on the working surface a before the second cleaning component 3, and at the same time, the suction power of the nozzle in the working state is increased.

[0084] In practical applications, the specific structures of the first switching element 255 and the second switching element 256 can be referred to the switching valve, and will not be described in detail here.

[0085] Based on the same inventive concept, this application also provides a cleaning assembly, including at least a cleaning nozzle 22 and a scraper 23. The cleaning nozzle 22 has a fluid channel 221, wherein the fluid channel 221 has a waste outlet 2212 and a waste inlet 2211. The scraper 23 is connected to the cleaning nozzle 22 and is located at the waste inlet 2211. A skirt 231 may be formed at the bottom of the scraper 23, the skirt 231 protruding from the scraper 23 toward the waste inlet 2211, and the skirt 231 has a first side surface 2311 and a second side surface 2312, the first side surface 2311 and the second side surface 2312 having a preset angle α. When the scraper 23 is in a cleaning state, the friction between the scraper 23 and the working surface a drives the scraper 23 to deform, so that the first side surface 2311 contacts the working surface a.

[0086] Furthermore, the cleaning assembly also includes a shield 24. The shield 24 is connected to the cleaning nozzle 22, and the shield 24 and the scraper 23 surround the inlet / outlet 2211. The bottom of the shield 24 has several notches 241. When the shield 24 is in the cleaning state, the shield 24 contacts the working surface a so that external gas enters the inlet / outlet through the notches.

[0087] It should be noted that the specific structures of the cleaning nozzle 22, the scraper 23, and the shield 24 described above can be referred to the above embodiments, and will not be repeated here. It is worth mentioning that the cleaning components of this application can be applied to cleaning equipment, which can take the form of window cleaning robots, sweeping robots, floor scrubbing robots, cleaning machines, and handheld cleaning machines, etc.

[0088] Based on the same inventive concept, this application also provides a cleaning control method, wherein the method includes:

[0089] Determine the direction of travel of machine 1;

[0090] The opening or closing of the first switch 255 and the second switch 256 is determined based on the direction of travel.

[0091] Furthermore, if the direction of travel is the first direction of travel, the first switch 255 is turned on and the second switch 256 is turned off, so that the suction device 21 cleans the working surface a through the first cleaning suction head 222.

[0092] If the direction of travel is the second direction of travel, then the second switch 256 is turned on and the first switch 255 is turned off, so that the suction device 21 cleans the working surface a through the second cleaning suction head 223.

[0093] In this embodiment, the first switch 255 controls the opening and closing of the first cleaning nozzle 222, and the second switch 256 controls the opening and closing of the second cleaning nozzle 223. Thus, the cleaning device can, according to the direction of travel, open the nozzle located in front of the second cleaning assembly 3 while closing the others. This allows the suction device 21 to clean the working surface a before the second cleaning assembly 3 using its corresponding nozzle, while also ensuring the suction power of the nozzles in operation.

[0094] In practical applications, a window cleaning robot, capable of bidirectional movement, will be used as an example for illustration. The window cleaning robot has an internal control module, which is electrically connected to the walking mechanism 6, the first switch 255, and the second switch 256. This control module can be an MCU module. When the window cleaning robot is cleaning on the working plane a, the control module can obtain the traveling direction of the walking mechanism 6. When the traveling direction is the first traveling direction, the control module can send electrical signals to the first switch 255 and the second switch 256 to control the first switch 255 to open and the second switch 256 to close. Similarly, when the traveling direction is the second traveling direction, the control module can send electrical signals to the first switch 255 and the second switch 256 to control the second switch 256 to open and the first switch 255 to close.

[0095] It should be noted that the specific structures of the first cleaning nozzle 222 and the second cleaning nozzle 223 can be referred to the above content, and the first switch 255 and the second switch 256 can be referred to the switch valve, which will not be described in detail here.

[0096] The following detailed explanation will be based on a specific application scenario, using a window cleaning robot as the cleaning equipment and a rag as the second cleaning component.

[0097] Application Scenario 1:

[0098] In an office building, property management staff need to use window cleaning robots to regularly clean the floor-to-ceiling windows of the residents every once in a while.

[0099] Recently, when property management staff used a window cleaning robot to clean the floor-to-ceiling windows, they found that previously, cleaning one resident's window only required replacing the cloth at the bottom of the robot once. However, due to ongoing construction at several nearby sites, the external dust on the windows has increased. The robot now leaves dust residue after cleaning only a quarter of the window, requiring staff to remove it and replace the cloth, increasing their workload and reducing cleaning efficiency.

[0100] At the supplier's recommendation, the property management staff purchased a new type of window cleaning robot for trial use. They noticed that the new robot, compared to previous models, had added strip-shaped waste inlets at both the front and back ends of its bottom, along with two strip-shaped baffle structures (a scraping component and a shielding component) at these inlets. The staff then placed the new robot on a floor-to-ceiling window for a test cleaning to observe its effectiveness.

[0101] When the new window-cleaning robot was cleaning the floor-to-ceiling windows, property management staff noticed that it also had a spray component. This component first sprayed cleaning fluid onto the area of ​​the window to be cleaned, dissolving the dust in advance. As the robot moved to the area that had been sprayed with cleaning fluid, the scraping component first scraped the surface of the window, causing wastewater and dust to accumulate below the waste inlet, where it was then sucked up for cleaning. Next, a cloth was used to wipe the area cleaned by the waste inlet, performing a secondary cleaning to ensure the robot's effectiveness. During the cleaning process, property management staff also found that large particles adhering to the windows were prevented from falling off by notches in the baffle, thus avoiding blockages caused by large particles being sucked up by the waste inlet.

[0102] After the new window cleaning robot finished cleaning the entire floor-to-ceiling window of the resident, the property staff found that the new window cleaning robot was more effective at cleaning the floor-to-ceiling window than the previous window cleaning robot. Moreover, the cleaning robot did not need to change the cleaning cloth during the entire cleaning process, and the cleaning cloth only had a very small amount of dust on it after cleaning, so it could still be used for cleaning operations.

[0103] Given the high cleaning efficiency of the new window cleaning robot and its excellent performance in eliminating the need for frequent cloth replacements by property management staff, the office building's property management staff purchased several more of the new window cleaning robots for subsequent use in cleaning the floor-to-ceiling windows of other users.

[0104] Therefore, the technical solution provided in this application includes a cleaning device comprising a body, a first cleaning component, and a second cleaning component. The first cleaning component may include a suction device with a suction port, which can clean the area to be cleaned before the second cleaning component. Thus, when the cleaning device cleans the work surface, the first cleaning component can first suction up the debris, and then the second cleaning component cleans it. Compared to existing methods of cleaning by friction using only the second cleaning component, this reduces the amount of dust adhering to the second cleaning component during the cleaning process, thereby increasing its continuous working time. This eliminates the need for frequent replacement and cleaning of the second cleaning component, reducing the burden on users and improving the user experience. Furthermore, the use of both the first and second cleaning components to clean the work surface twice further enhances the cleaning effect.

[0105] Furthermore, the cleaning equipment also has a liquid spraying component, which sprays liquid onto the area to be cleaned before the first cleaning component, dissolving the dried stains on the area in advance, thus preventing the dried stains from being unable to be cleaned by the first and second cleaning components and ensuring the cleaning effect.

[0106] Furthermore, the cleaning head can be connected to a scraper, which is located near the waste inlet on the side close to the second cleaning component. In this way, when the cleaning equipment cleans the working surface, the scraper can scrape the debris onto the working surface towards the waste inlet, making it easier for the suction device to pick up the debris. This improves the suction and cleaning effect of the first cleaning component, further reduces the amount of dust adhering to the subsequent second cleaning component, increases the single cleaning time of the second cleaning component, and reduces the frequency of replacement and cleaning.

[0107] Meanwhile, the cleaning head can also be connected to a shield, which, along with a scraper, surrounds the waste inlet. This reduces the ventilation area between the waste inlet and the outside air, solving the problem of reduced airflow velocity caused by an excessively large ventilation area, thus allowing the suction device to effectively pick up debris from the work surface.

[0108] Furthermore, the bottom of the shield can also have several notches. When the shield is in the clean state, it contacts the working surface. This allows external gas to enter the waste inlet through the notches, which also reduces the ventilation area between the waste inlet and the outside air. At the same time, the notches can also block large particles in the waste being sucked up by the suction device, preventing particles larger than the notch area from being sucked up, thus acting as a screening mechanism to avoid blockage of the fluid channel and ensure the normal operation of the cleaning equipment.

[0109] The above description is only a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A cleaning device, characterized in that, It includes at least a body, a first cleaning component, and a second cleaning component, wherein the first cleaning component and the second cleaning component are respectively connected to the body; The first cleaning component includes at least a suction device, a scraper, and a shield, wherein the suction device has a suction port, and the bottom of the shield has several notches, and external gas enters the suction port through the gap between the scraper and the shield; When the cleaning device cleans on the working surface, there are uncleaned areas to be cleaned on the working surface. The suction device cleans the areas to be cleaned through the suction port before the second cleaning component. The bottom of the shield and the bottom of the scraper are in contact with the areas to be cleaned, and the shield contacts the areas to be cleaned before the scraper.

2. The cleaning equipment according to claim 1, characterized in that, The suction port has a first cleaning range, and the second cleaning component has a second cleaning range, wherein the first cleaning range covers the second cleaning range.

3. The cleaning equipment according to claim 2, characterized in that, The first cleaning component also includes a cleaning nozzle; The cleaning nozzle is connected to the body, wherein the cleaning nozzle has a fluid channel, and the fluid channel has a waste outlet and a waste inlet; The waste outlet is connected to the suction outlet; The waste inlet is located on the side of the cleaning suction head facing the working plane, so that the suction device can suck up the waste through the waste inlet.

4. The cleaning equipment according to claim 3, characterized in that, The scraper is connected to the cleaning nozzle, and the scraper is located on the side of the waste inlet closer to the second cleaning component. When the scraper is in a clean state, the scraper contacts the working surface to scrape the waste into the waste inlet.

5. The cleaning equipment according to claim 4, characterized in that, The shield is connected to the cleaning nozzle, and the shield and the scraper surround the waste inlet; The bottom of the shield has several notches; When the shielding member is in a clean state, the shielding member contacts the working surface so that external gas enters the inlet / outlet through the notch.

6. The cleaning equipment according to claim 5, characterized in that, The gaps are arranged in a preset manner and have a preset area, so that the total ventilation area of ​​the gaps meets a first preset value.

7. The cleaning equipment according to claim 6, characterized in that, There is a preset distance between the bottom surface of the scraper and the bottom surface of the shield, and the bottom surface of the scraper is located below the bottom surface of the shield; When the scraper is in a clean state, the friction between the scraper and the working surface drives the scraper to deform.

8. The cleaning equipment according to claim 7, characterized in that, The preset spacing is 0.5mm-1mm.

9. The cleaning equipment according to claim 7, characterized in that, The scraper has a skirt; The skirt protrudes from the scraper toward the waste inlet side, and the skirt has a first side and a second side, with a preset angle between the first side and the second side. When the scraper is in a clean state, the first side is in contact with the working surface.

10. The cleaning equipment according to claim 3 or 9, characterized in that, The cleaning nozzle has two parts, namely a first cleaning nozzle and a second cleaning nozzle; The line connecting the first cleaning nozzle and the second cleaning nozzle is parallel to the direction of travel of the body, and the second cleaning component is located between the first cleaning nozzle and the second cleaning nozzle.

11. The cleaning equipment according to claim 10, characterized in that, The first cleaning component also includes a first main path; One end of the first main road is connected to the suction port, and the other end of the first main road is provided with a branch section that branches into a first branch road and a second branch road. The first branch is connected to the waste outlet of the first cleaning head, and the second branch is connected to the waste outlet of the second cleaning head.

12. The cleaning equipment according to claim 11, characterized in that, The first branch is connected in series with a first switch to control the on / off state of the first branch; The second branch is connected in series with a second switch to control the on / off state of the second branch.

13. The cleaning equipment according to claim 5, characterized in that, The cleaning nozzle includes a first housing and a second housing; The first housing is connected to the second housing to surround and form the fluid channel; The first housing is connected to the scraper, and the second housing is connected to the shield.

14. The cleaning equipment according to claim 1, characterized in that, The suction device includes at least a trash can and a suction component; The trash can has an opening to form the suction port; The suction end of the suction component is connected to the trash can, so that the suction component can suck the trash from the suction port into the trash can for storage.

15. The cleaning equipment according to claim 1, characterized in that, The body has a fluid channel, wherein the fluid channel has a waste inlet and a waste outlet; The waste inlet is located on the side of the machine body facing the working plane; The waste outlet is connected to the suction inlet so that the suction device can suck up the waste through the waste inlet.

16. The cleaning equipment according to claim 1, characterized in that, The cleaning equipment also includes a spraying assembly; The spraying component is connected to the machine body. When the cleaning equipment is cleaning on the working surface, the spraying component sprays liquid onto the area to be cleaned before the first cleaning component.

17. A cleaning component, characterized in that, It should include at least a cleaning nozzle and a scraper. The cleaning nozzle has a fluid channel, wherein the fluid channel has a waste outlet and a waste inlet; The scraper is connected to the cleaning nozzle, and the scraper is located at the waste inlet. The bottom of the scraper has a skirt that protrudes from the scraper toward the waste inlet, and the skirt has a first side and a second side, the first side and the second side having a preset angle. When the scraper is in a cleaning state, the friction between the scraper and the working surface drives the scraper to deform so that the first side surface contacts the working surface.

18. The cleaning assembly according to claim 17, characterized in that, The cleaning assembly also includes a shielding element; The shield is connected to the cleaning nozzle, and the shield and the scraper surround the waste inlet; The bottom of the shield has several notches; When the shielding member is in a clean state, the shielding member contacts the working surface so that external gas enters the inlet / outlet through the notch.

19. A cleaning control method, characterized in that, The method includes: Determine the direction of the organism's movement; If the direction of travel is the first direction of travel, then the first switch is turned on and the second switch is turned off, so that the suction device cleans the working surface through the first cleaning suction head; If the direction of travel is the second direction of travel, then the second switch is turned on and the first switch is turned off, so that the suction device cleans the working surface through the second cleaning nozzle.

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