Cleaning equipment and cleaning system

The integration of dual floats and a sensing assembly in cleaning devices addresses overflow and assembly detection issues, enhancing user experience and efficiency by ensuring proper tank operation and filtration.

JP7864210B2Active Publication Date: 2026-05-22BEIJING ROCKROBO TECH CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
BEIJING ROCKROBO TECH CO LTD
Filing Date
2022-12-21
Publication Date
2026-05-22

AI Technical Summary

Technical Problem

Existing cleaning devices, such as floor washers, face issues with detecting wastewater tank overflow and improper assembly, leading to a poor user experience and inconvenience.

Method used

Incorporation of a first and second float within the wastewater tank, along with a sensing assembly, to detect tank fullness and proper assembly, and a filtration mesh pocket to reduce space and facilitate wastewater filtration.

Benefits of technology

Enables immediate detection of wastewater tank fullness and correct assembly, preventing overflow and improving user convenience by simplifying detection logic and reducing the risk of blockages.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The present disclosure discloses a cleaning device (20) and a cleaning system. The cleaning device (20) includes a pivotally connected cleaning sheet body (21) and a device body (22). The device body (22) includes a first sensing assembly and a sewage tank (25). The sewage tank (25) is detachably connected to the device body (22). The sewage tank (25) includes a sewage tank body (251) and a first float and a second float (2541). The first float and the second float (2541) are provided in the sewage tank body (251).
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Description

Technical Field

[0001] (Related Application) This application claims the priority of Chinese Patent Applications No. 202210899757.3 and No.. 202210901500.7, filed on July 28, 2022, and all the disclosure contents of the above Chinese patent applications are incorporated herein by reference as part of this application.

[0002] This disclosure relates to the field of cleaning technology, and specifically, to a cleaning device and a cleaning system.

Background Art

[0003] With the continuous development of technology, cleaning devices such as floor washers have been adopted in a wide range of households, and floor washers can save time and effort compared to conventional manual cleaning. A floor washer usually includes a device body and a cleaning sheet body. A recovery water tank, such as a sewage tank or a cleaning liquid tank, such as a clean water tank, and a main exhaust fan for suction are provided inside the device body. The cleaning sheet body includes cleaning rollers for dragging and wiping, and generally two cleaning rollers are provided to ensure the cleaning efficiency. Clean cleaning liquid, such as water, is sprayed onto the linted cleaning roller through a built-in water pipe, and the cleaning roller rotates at high speed to drag and clean the floor surface. During the operation of the cleaning device, the water level in the sewage tank gradually rises, so it is necessary to detect the water level in the sewage tank to avoid overflow due to full water.

Summary of the Invention

[0004] Some embodiments of this disclosure provide a cleaning device and a cleaning system.

[0005] Embodiments of this disclosure provide a cleaning device, and the cleaning device includes a cleaning sheet body configured to move on a cleaning surface, and a device body pivotally connected to the cleaning sheet body, where the device body The first sensing assembly provided on the main body of the device, The device includes a wastewater tank that is detachably connected to the main body of the device, The aforementioned wastewater tank is A wastewater tank body for storing wastewater, This includes a first float and a second float provided within the wastewater tank body.

[0006] Embodiments of this disclosure provide a cleaning system, and the cleaning system is Pile body, and The above-mentioned cleaning device is included, and the pile body is configured to support the cleaning device.

[0007] The accompanying drawings provided herein are incorporated herein as part of this specification and are used to illustrate embodiments of the present disclosure and to interpret the principles of the present disclosure together with the specification. Clearly, the accompanying drawings described below are only a few embodiments of the present disclosure and those skilled in the art can, without any creative work, derive other drawings based on these accompanying drawings. [Brief explanation of the drawing]

[0008] [Figure 1] Schematic diagram of the structure of a cleaning device provided in some embodiments of this disclosure [Figure 2] Schematic diagram of the structure of a wastewater tank provided in some embodiments of this disclosure. [Figure 3] Schematic diagram of the structure of a wastewater tank body provided in some embodiments of this disclosure [Figure 4] Schematic diagram of the structure of a cover bracket provided in some embodiments of this disclosure [Figure 5] Local detail schematic diagrams of cover brackets provided in some embodiments of this disclosure [Figure 6] Schematic diagram of a cleaning system provided in some embodiments of this disclosure [Figure 7] Schematic diagram of the exploded structure of the pile body provided in some embodiments of this disclosure. [Explanation of Symbols]

[0009] 100 Cleaning system 10 Pile body 20 Cleaning device 21 Cleaning sheet body 211 Cleaning roller 22 Device body 23 Handle assembly 25 Sewage tank 251 Sewage tank body 2511 Sewage pipeline 2512 Handle 252 Cover bracket 2521 First support bracket 2522 Second support bracket 2523 Third support bracket 2524 Locking member 2525 Filter mesh pocket 2526 Depression part 2527 Second through hole 2528 Filter window 2533 First float cover 2541 Second float 2542 Second rotating shaft 2543 Second float cover 2544 First through hole 2534 Locking engagement member 255 Second end 2551 Filter assembly 26 Clean water tank

Embodiments for Carrying out the Invention

[0010] To make the objectives, technical solutions and advantages of the present disclosure clearer, the present disclosure will be described in more detail below with reference to the accompanying drawings. Clearly, the described embodiments are only some embodiments of the present disclosure, not all embodiments. Based on the embodiments of the present disclosure, other embodiments obtained by those skilled in the art without creative labor are all included in the protection scope of the present disclosure.

[0011] The terms “includes,” “equipped with,” or any other variation thereof are intended to cover non-exclusive inclusion, and a product or apparatus containing a set of elements includes not only those elements but also other elements not expressly enumerated, or elements specific to such product or apparatus. Unless further limited, the fact that it is defined in the expression “includes one of the following” does not preclude the presence of other elements of the same kind in the product or apparatus of the aforementioned elements.

[0012] A cleaning device, such as a floor scrubber, typically includes a main unit and a cleaning sheet unit. The main unit contains a water collection box, such as a wastewater tank, a cleaning fluid tank, such as a clean water tank, and a main exhaust fan for suction. The cleaning sheet unit includes at least one cleaning roller for dragging and wiping. The cleaning roller can be, for example, one, two, or more, and generally two are provided to ensure cleaning efficiency. A clean cleaning fluid, such as clean water, is sprayed onto the lint-covered cleaning roller via a built-in water tube. The cleaning roller rotates at high speed to mop and clean the floor surface. At the same time, the main exhaust fan creates negative pressure in the device air duct of the cleaning device, drawing in the wastewater after surface cleaning from the suction port of the cleaning device and pumping it into the wastewater tank. The wastewater return path also serves as part of the device air duct of the cleaning device.

[0013] The cleaning device is usually returned to the pile body after use, where the cleaning roller can be washed or dried. The cleaning roller is dried, for example, by air drying or heat drying.

[0014] Selective embodiments of this disclosure will be described in detail below with reference to the attached drawings.

[0015] In related technologies, cleaning equipment, such as floor scrubbers, experiences a gradual rise in the water level in the wastewater tank during operation. This necessitates the user constantly checking the water level in the wastewater tank to avoid overflow due to full capacity, resulting in a poor user experience. Furthermore, existing cleaning equipment makes it inconvenient to determine whether the wastewater tank has been properly assembled into the main unit.

[0016] In this regard, the embodiments of the present disclosure provide a cleaning device equipped with a first sensing assembly, a first float, and a second float, which allows for immediate detection of whether the wastewater tank of the cleaning device is full of wastewater and whether the wastewater tank is assembled in a predetermined position, and enables detection of blockage of a single float through signal comparison of two symmetrical floats. In the embodiments of the present disclosure, a filtration mesh pocket is provided that extends along the longitudinal direction of the wastewater tank body, reducing the space occupied by the wastewater tank during assembly, and when disposing of wastewater, the filtration mesh pocket can be left generally along the horizontal direction for filtration, thereby filtering the wastewater in the wastewater tank.

[0017] Specifically, the cleaning apparatus provided in the embodiments of the present disclosure, for example, is shown in Figure 1, which is a schematic diagram of the structure of a cleaning apparatus provided in several embodiments of the present disclosure. As shown in Figure 1, the cleaning apparatus 20, for example, a floor cleaning machine, includes a cleaning sheet body 21, an apparatus body 22, and a handle assembly 23. Here, the apparatus body 22 is located above the cleaning sheet body 21 and is movably connected to the cleaning sheet body 21, for example, by a pivotal connection. The handle assembly 23 is connected to the end of the apparatus body 22 away from the cleaning sheet body 21 so that a user can operate and grip it. The user operates the cleaning sheet body 21 by gripping the handle assembly 23 in order to perform a cleaning task on a surface to be cleaned, for example, a floor.

[0018] For the sake of explanation, the following definitions are used. That is, the floor cleaning machine can be calibrated by defining the following three mutually orthogonal axes: the horizontal axis Y, the front-to-back axis X, and the vertical axis Z. The direction indicated by the arrow along the front-to-back axis X is labeled "forward," and the opposite direction of the arrow along the front-to-back axis X is labeled "backward." The horizontal axis Y is approximately the width direction of the cleaning sheet body 21, and the direction of the arrow along the horizontal axis Y is labeled "left," and the opposite direction of the arrow along the horizontal axis Y is labeled "right." The vertical axis Z is the direction extending perpendicularly along the bottom surface of the cleaning sheet body 21 (i.e., the plane formed by the front-to-back axis X and the horizontal axis Y). As shown in Figure 1, the direction extending from the handle assembly 23 to the device body 22 or from the device body 22 to the handle assembly 23 is defined as the first direction, and the direction perpendicular to the first direction is defined as the second direction. Normally, when the cleaning device is in the stored position, as shown in Figure 1, the first direction is approximately vertical, making a small angle with the vertical axis Z, approximately parallel, for example, making an angle of less than 15 degrees, and the first direction is, for example, vertically upward or vertically downward, and the second direction is approximately horizontal, approximately parallel to the front-rear axis X or the lateral axis Y, for example, left-right horizontal or front-rear horizontal.

[0019] In some embodiments, the device body 22 refers to the portion of the cleaning device between the cleaning sheet body 21 and the handle assembly 23, the device body 22 extending in the overall longitudinal direction, i.e., the first direction, the handle assembly 23 connected to the upper end of the device body 22, the cleaning sheet body 21 connected to the lower end of the device body 22, the device body 22 pivotally connected to the cleaning sheet body 21, the handle assembly 23 and the device body 22 being rotatable relative to the cleaning sheet body 21, allowing for flexible adjustment of the cleaning posture by changing the operating angle. The cleaning sheet body 21 includes cleaning roller brushes 211 at its bottom. Specifically, the number of cleaning rollers 211 may be, for example, one or more, for example, two, and the cleaning rollers 211 can rotate at high speed to mop and clean the floor surface.

[0020] The cleaning device 20, for example, a floor cleaning machine, further includes a clean water tank 26 and a wastewater tank 25. The clean water tank 26 and the wastewater tank 25 are provided, for example, in the device body 22, and in some embodiments, both are detachably connected to the device body 22. The clean water tank 26 is used to contain a cleaning solution, for example, clean water, a cleaning solution, or a mixture thereof, and the clean water pipeline supplies the cleaning solution to the cleaning roller 211, wetting the surface of the cleaning roller 211, and further enabling the cleaning roller 211 to wet-clean the surface to be cleaned. The wastewater tank 25 is used to contain the collected wastewater. When the cleaning roller 211 performs wet cleaning, wastewater is generated on the surface to be cleaned, and the wastewater is collected in the wastewater tank 25 via a wastewater collection pipeline.

[0021] Referring together to Figures 2 to 5, as shown in Figure 2, the wastewater tank 25 includes a wastewater tank body 251 and a cover bracket 252, where the wastewater tank body 251 is used to contain the collected wastewater, and the wastewater tank body 251 is sleeved over at least the lower half of the cover bracket 252 and is detachably connected to the cover bracket 252. The wastewater tank body 251 includes an opening 2513 and a bottom surface 2514.

[0022] As shown in Figure 3, the wastewater tank body 251 includes a wastewater pipe 2511 that extends along the bottom surface of the wastewater tank body 251 in the direction of the opening of the wastewater tank body, and under the action of a blower, wastewater from the cleaning roller 211 enters the wastewater tank body 251 from the wastewater pipe 2511. The wastewater tank body 251 further includes a protruding handle 2512 for facilitating the assembly or disassembly of the wastewater tank 25.

[0023] In some embodiments, as shown in Figure 4, the cover bracket 252 includes a first support bracket 2521, a second support bracket 2522, and a third support bracket 2523, wherein the first support bracket 2521 extends along the longitudinal direction (first direction) of the wastewater tank body 251, the second support bracket 2522 extends at a preset angle with respect to the first support bracket 2521, for example, along a substantially vertical direction (second direction), and the third support bracket 2523 extends at a preset angle with respect to the first support bracket 2521, for example, along a substantially vertical direction (second direction). The third support bracket 2523 and the second support bracket 2522 may have a symmetrical structure, for example, they may be symmetrical on the axis of the first support bracket 2521 in the first direction. In some embodiments, the first support bracket 2521, the second support bracket 2522, and the third support bracket 2523 are integrally molded structures, and the transitions between the first support bracket 2521 and the second support bracket 2522, and between the first support bracket 2521 and the third support bracket 2523, may be made by smooth curves or corners. The first support bracket 2521, the second support bracket 2522, and the third support bracket 2523 form a substantially U-shaped structure to improve the stability and strength of the cover bracket 252.

[0024] The cover bracket 252 further includes a first float and a second float, where the first float is provided on one side of the cover bracket 252, and the second float and the first float are provided symmetrically on the other side of the cover bracket 252, specifically, the first float is provided on the second support bracket 2522, the second float is provided on the third support bracket 2523, and both the first float and the second float can rotate between a first position and a second position.

[0025] Figure 5 primarily illustrates the relationship between the second float 2541 and its associated assembly. For ease of understanding, this relationship is similar to that between the first float and its associated assembly, and therefore no further explanation is necessary. Specifically, both the first and second floats 2541 can move in response to changes in water level. Taking the second float 2541 as an example, when the water level is lower than the second float 2541, it is in its lowest position, i.e., the first position in Figure 5, due to lack of buoyancy. As the water level rises to contact the second float 2541, the second float 2541 receives buoyancy and moves in response to the change in water level, moving to its highest position, i.e., the second position in Figure 5, due to structural limitations, as the water level rises. The operating principle of the first float is the same as that of the second float 2541 described above; specifically, the two floats pivot. In some embodiments, smaller floats may be used for both the first and second floats 2541. The small float occupies little space and is cost-effective, increasing the amount of wastewater that can be contained in the wastewater tank. Due to the small volume of the small float, the amount it is immersed in the wastewater is very small, and it has little impact on the volume of wastewater that can be contained in the wastewater tank 25. Because of its symmetrical structure, the difference in water volume during front / back and left / right triggering is small, and the small float can increase the rotational sensitivity of the float, thereby improving detection sensitivity.

[0026] In some embodiments, the first float and the second float 2541 are configured to work in cooperation with a first sensing assembly fixed to the device body 22 to monitor whether the wastewater tank 25 is assembled in a predetermined position. Specifically, the first float includes a second sensing assembly, and the second float includes a third sensing assembly. In one embodiment, the first sensing assembly may consist of one, two or more components, and if it consists of two or more components, they may be located at different positions on the device body and can work in cooperation with the second and third sensing assemblies to generate sensing signals. When the wastewater tank 25 is assembled to the device body 22, the first float and the second float 2541 are in a first position, and the second sensing assembly and / or the third sensing assembly each work in cooperation with the first sensing assembly to generate sensing signals, which provide information that the wastewater tank 25 has been assembled in a predetermined position. Conversely, if the wastewater tank 25 is not assembled or is assembled incorrectly to the main unit 22, the second sensing assembly and / or the third sensing assembly will not work with the first sensing assembly to generate a sensing signal, but will instead issue warning information to prompt the user to reassemble the wastewater tank 25.

[0027] In some embodiments, when the first float and the second float are in a first position, the first sensing assembly is correspondingly provided on the device body, and the first float and the second float are configured to work in cooperation with the first sensing assembly provided on the device body 22 to monitor the water level in the wastewater tank body 251. In one embodiment, the first sensing assembly and the first float and / or second float can generate sensing signals of different intensities corresponding to different distances within a certain distance range. For example, the intensity of the sensing signal decreases with increasing distance, for example, the first sensing assembly generates sensing signals from strong to weak within a distance range of 1 cm to 3 cm, the intensity of the sensing signal is maintained when the distance is less than 1 cm, and the sensing signal is attenuated to 0 when the distance is greater than 3 cm, so that different distance ranges can be defined as threshold ranges. The above distance range may be specific distance values, such as 1 cm and 3 cm, and the different distance ranges can be continuous or discontinuous. A specific example of a continuous distance range is shown below: for example, within the range of 1 cm to 3 cm, the boundary is 2 cm, dividing it into two distance ranges, 1 cm to 2 cm and 2 cm to 3 cm. These are used as detection threshold ranges to monitor whether the wastewater tank is assembled in the designated position and whether it is full of water, respectively. When the wastewater tank 25 is assembled to the device body 22, the first float and the second float 2541 are in a first position, the distance between the second sensing assembly and / or the third sensing assembly and the first sensing assembly is a first distance, for example 2.5 cm, and satisfies a detection threshold range of 2 cm to 3 cm, and based on the intensity of the sensing signal generated by the first sensing assembly, information is generated that the wastewater tank 25 has been assembled in a predetermined position. When the wastewater tank 25 is full, the first float and the second float 2541 are in a second position, the distance between the second sensing assembly and / or the third sensing assembly and the first sensing assembly is a second distance, for example 1.5 cm, and satisfies a detection threshold range of 1 cm to 2 cm, and based on the intensity of the sensing signal generated by the first sensing assembly, information is generated that the wastewater tank 25 is full, and the same applies to discontinuous distance ranges.

[0028] In some embodiments, the first sensing assembly includes two sets of sensing elements, wherein when the first and second floats are in a first position, the first set of sensing elements is provided in the device body accordingly, and when the first and second floats are in a second position, the second set of sensing elements is provided in the device body accordingly, and the two sets of sensing elements each work in cooperation with the first and / or second floats to complete the water level monitoring task. Specifically, the first float includes a second sensing assembly, and the second float includes a third sensing assembly. When the wastewater tank 25 is assembled to the device body 22, the first float and the second float 2541 are in a first position, and the second sensing assembly and / or the third sensing assembly each work with a first set of sensing elements to generate a first sensing signal. The first sensing signal provides information that the wastewater tank 25 has been assembled in a predetermined position. When the wastewater in the wastewater tank 25 reaches a preset position, for example, a preset position where the first float and / or the second float have reached a second position (the full water position), the second sensing assembly and / or the third sensing assembly each work with a second set of sensing elements to generate a second sensing signal. The second sensing signal provides information that the wastewater tank 25 is full, prompting the user to continue processing.

[0029] In some embodiments, if one of the first and second floats provides a second sensing signal, it can be determined that the wastewater tank 25 is full. For example, if one float becomes blocked or clogged and fails to float due to other malfunctions, the other float will float normally, enabling the full-water signal alarm task and avoiding the risk of wastewater overflow.

[0030] In some embodiments, the first float includes a second sensing assembly, and the second float includes a third sensing assembly. If the wastewater in the wastewater tank has not reached a preset position, the second sensing assembly and / or the third sensing assembly are in a first position, and in response to the wastewater tank being assembled to the device body, at least one of the second sensing assembly and the third sensing assembly cooperates with the first sensing assembly to generate a sensing signal, and based on the first sensing signal, information is generated that the wastewater tank has been assembled to a predetermined position. When the wastewater in the wastewater tank reaches a preset position, at least one of the second sensing assembly and / or the third sensing assembly reaches a second position due to the buoyancy of the wastewater, the distance between the second sensing assembly and / or the third sensing assembly and the first sensing assembly increases, the sensing signal disappears, and the disappearance of the sensing signal provides information that the wastewater tank is full. This configuration method allows for the implementation of detection functions for full water and predetermined positions using only one detection position (corresponding to the first position), eliminating the need for additional modifications to the judgment circuit of the Hall detection assembly. As a result, the detection logic is simplified, detection efficiency is improved, and the cost of the detection circuit can be reduced.

[0031] In some embodiments, assembly abnormalities in the wastewater tank can be detected by comparing two symmetrical floats, a first float and a second float. Specifically, if a sensing signal is generated by only one float, or if the difference between sensing signals generated at two locations on the first and second floats exceeds a preset threshold, it can be determined that there is an assembly abnormality in the wastewater tank, preventing it from being assembled in the designated position, and prompting the user to continue processing.

[0032] In some embodiments, occlusion of one float can be detected by comparing two symmetrical floats, a first float and a second float. Specifically, if the difference between the sensing signals generated at two locations on the first and second floats exceeds a preset threshold, it can be determined that one float is occluded, and the user is prompted to continue processing.

[0033] In some embodiments, for example, the first sensing assembly includes, but is not limited to, a Hall element such as a hole plate or a Hall sensing assembly, and the second and third sensing assemblies include, but are not limited to, a magnet.

[0034] In some embodiments, the cover bracket 252 further includes a first float cover 2533 and a second float cover 2543, where the first float cover 2533 is rotatably mounted on one side of the cover bracket 252 and the second float cover 2543 is rotatably mounted on the other side of the cover bracket 252. When the first float cover 2533 and the second float cover 2543 are engaged with the cover bracket 252, the first float cover 2533 covers the first float and the second float cover 2543 covers the second float 2541. By providing float covers on the outside of the floats, the floats can be protected and solid matter in the wastewater can prevent it from blocking the floats or affecting the floats' response to changes in water level.

[0035] In some embodiments, as shown in Figure 5, at least one locking member 2534, such as a snap, is provided on the edge of the first float cover 2533 and the second float cover 2543, respectively, and at least one locking member 2524, such as an engagement groove, is provided at a position corresponding to the cover bracket 252. The cooperation of the locking members 2534 and 2524 enables engagement between the first float cover 2533 and the second float cover 2543 and the cover bracket 252, thereby enhancing the protection of the first and second floats.

[0036] In some embodiments, a plurality of first through-holes 2544 are provided on the surfaces of the first float cover 2533 and the second float cover 2543, respectively. As wastewater in the wastewater tank 25 flows in or out through the first through-holes 2544, the first float and the second float can quickly respond to the wastewater level.

[0037] In some embodiments, the second float 2541 includes a second pivot axis 2542, and the second float 2541 can rotate between a first position and a second position around the second pivot axis 2542. Similarly, the first float includes a first pivot axis, and the first float can rotate freely between a first position and a second position around the first pivot axis.

[0038] In some embodiments, the cover bracket 252 further includes a filter mesh pocket 2525, which extends generally along the same stretching direction as the first support bracket 2521. In some embodiments, the filter mesh pocket 2525 and the first support bracket 2521 are integrally molded. Integral molding increases the overall strength and durability of the cover bracket 252 structure, and the filter mesh pocket 2525 and the first support bracket 2521 may be detachably connected, making them easier for the user to clean and replaceable as consumables. The filter mesh pocket 2525 may also be integrally molded with the first support bracket 2521, the second support bracket 2522, and the third support bracket 2523, further improving the strength and durability of the cover bracket 252.

[0039] The filtration mesh pocket 2525 is provided at the first end of the cover bracket 252 facing the bottom surface of the wastewater tank body 251. The filtration mesh pocket 2525 extends generally from the bottom surface of the cover bracket 252 toward the bottom surface of the wastewater tank body 251. When the wastewater tank 25 is in the assembled position, the filtration mesh pocket 2525 is positioned to extend approximately along the first direction, which is approximately the same as the flow direction of the wastewater when wastewater enters the wastewater tank body 251. This reduces resistance when wastewater enters the wastewater tank body 251, and at the same time reduces the likelihood of impurities in the wastewater getting caught in the filtration mesh pocket 2525. When removing the wastewater tank 25 and disposing of the wastewater, the user can choose whether or not to filter the wastewater using the filtration mesh pocket 2525 depending on the specific usage environment. Specifically, when the user filters the wastewater using the filtration mesh pocket 2525, they can grasp the second end 255 of the cover bracket 252 so that the receiving surface of the filtration mesh pocket 2525 faces the direction of wastewater disposal. For example, the filtration mesh pocket 2525 can filter wastewater within a preset angular range from the horizontal, for example, the extended surface of the filtration mesh pocket 2525 can filter wastewater within a preset angular range of 0 to 90 degrees from the horizontal, making it easy for the user to perform the filtration operation when wastewater needs to be filtered.

[0040] In some embodiments, as shown in Figure 5, the filtration mesh pocket 2525 further includes a recess 2526, the opening direction of which is opposite to the extension direction of the second support bracket 2522. In the assembled position, the recess 2526 of the filtration mesh pocket 2525 faces outward from the device body 22 for ease of use. Optionally, the filtration mesh pocket may be formed from a rigid material, such as rigid plastic, rigid organic material, or metal, to increase the rigidity of the filtration mesh pocket 2525 during filtration.

[0041] In some embodiments, the filtration mesh pocket 2525 further includes a plurality of second through-holes 2527. In some embodiments, the opening size of the second through-holes 2527 is larger than the opening size of the first through-holes 2544, and by selecting different opening sizes, solids of different sizes in the wastewater can be filtered, the second through-holes 2527 having a larger opening size to allow wastewater to pass through quickly, and the first through-holes 2544 having a smaller opening size so that water enters only the float cover.

[0042] When the wastewater tank 25 is full, the user removes it from the cleaning device body 22 and takes the cover bracket 252 out of the wastewater tank body 251. If the user thinks that the wastewater needs to be filtered before disposal, the cover bracket 252 is positioned horizontally so that the filter mesh pocket 2525 is located below the wastewater outlet of the wastewater tank body 251. After the wastewater flows out of the wastewater tank body 251, it passes through the recess 2526 of the filter mesh pocket 2525 and the liquid is discharged through the second through-hole 2527, thus filtering out most of the solid matter in the wastewater and preventing large solids from being directly disposed of in the drainage location (e.g., sewer, toilet) and causing blockage of the drainage location.

[0043] The filtration mesh pocket 2525 is aligned with the overall extension direction of the cover bracket 252, and the recess 2526 is shallow and has a smoother recess shape. Compared to structures with a fixed angle between the grip and the filtration section, this makes it more convenient for the user when disposing of filtered solid waste, further improving the user experience and also making subsequent cleaning easier.

[0044] The filter mesh pockets, which extend longitudinally into the wastewater tank body, reduce the space occupied by the tank body during assembly, making it less likely for impurities to leak out. They can be used to select the filtration function when disposing of wastewater, are easy to operate and flexible, and improve the practicality of the filtration bracket.

[0045] In some embodiments, the cover bracket 252 may further include a filtration window 2528, which may, for example, be provided with a mesh screen or other filtration material. The filtration window 2528 is provided on the first support bracket 2521 and is configured to filter gas. As the gas flows through the filtration window 2528 and the first support bracket 2521, particulate matter carried by the gas is blocked by the filtration window 2528, thereby achieving coarse filtration of the gas. The filtration window 2528 is provided on the first support bracket 2521, and when disposing of wastewater, it is necessary to remove the first support bracket 2521 from the wastewater tank body. At this time, the position of the filtration window 2528 provided on the first support bracket 2521 is easily visible to the user, that is, easily recognizable to the user, which has the effect of encouraging the user to clean any dirt attached to the filtration window 2528 in a timely manner. Since the position of the filtration window 2528 is close to the filtration mesh pocket 2525, the user can rinse the filtration window 2528 and the filtration mesh pocket 2525 together when cleaning. The filtration window 2528 may be a single structure, a two-valve structure, or other multi-valve structure, and is not particularly limited thereto.

[0046] In some embodiments, the cleaning device 20 further includes a power source, which is positioned to generate an airflow that moves along the same direction in the cleaning device, and this airflow carries and collects the wastewater (including solid debris) from the surface to be cleaned into the cleaning device 20; therefore, this airflow is defined as a recovery airflow. The airflow path through which the recovery airflow flows in the cleaning device 20 is formed by the device air duct, and the entire airflow path passes sequentially through at least the dirt suction port, dirt collection section (i.e., wastewater drum) and power source of the cleaning device 20; that is, the device air duct includes at least the dirt suction port, dirt collection section (i.e., wastewater drum) and power source, and the recovery airflow that flows out of the dirt collection section does not carry wastewater; therefore, the airflow path defined by the dirt suction port and dirt collection section is defined as a recovery path.

[0047] The power source is specifically a suction source, such as an exhaust fan, which is installed in the main body 22 of the device and is configured to provide suction power for wastewater recovery by having gas flow in the device air duct to form a recovery airflow. The wastewater recovery pipeline connects the dirt suction port and the wastewater tank 25 and forms part of the device air duct, and wastewater is drawn into the wastewater tank 25 through the wastewater recovery pipeline under the action of the suction force generated by the exhaust fan.

[0048] In some embodiments, as shown in Figure 4, the cover bracket 252 further includes a second end 255 opposite the first end, the second end 255 being adjacent to the opening side of the wastewater tank body 251, and the cover bracket 252 further includes a filtration assembly 2551 provided at the second end 255, the filtration assembly 2551 being configured such that the recovered airflow flows through the wastewater pipeline 2511, the filtration window 2528 and the filtration assembly 2551. The recovered airflow is first filtered by the filtration window 2528 and then filtered a second time by the filtration assembly 2551 before entering the exhaust fan, ensuring that the gas entering the exhaust fan is free of impurities and reducing damage to the exhaust fan. Optionally, the filtration assembly 2551 is made of multilayer filter cotton, multilayer gauze, and a mesh screen may be provided on either the filtration window 2528 or the filtration assembly 2551, or, of course, mesh screens may be provided on both the filtration window 2528 and the filtration assembly 2551 to enhance filtration performance. In some embodiments, the cover bracket further includes a wastewater tank body assembly 2552 extending circumferentially and provided at the second end 255, and is configured to engage with and assemble with an opening in the wastewater tank body 251.

[0049] The cleaning device provided in the embodiment of this disclosure can instantly detect whether the wastewater tank of the cleaning device is full of wastewater and whether the wastewater tank is assembled in a predetermined position, using a double float provided in the wastewater tank, and can detect blockage of a single float by comparing the signals of the two symmetrical floats.

[0050] In the embodiments of this disclosure, by providing a filtration mesh pocket that extends along the longitudinal direction of the wastewater tank body, the space occupied by the wastewater tank is reduced during assembly, impurities are avoided getting stuck, and when disposing of wastewater, the filtration mesh pocket can be left in a generally horizontal direction for filtration, thereby facilitating the wastewater filtration operation in the wastewater tank and improving the practicality of the filtration bracket.

[0051] As shown in Figure 6, the present disclosure further provides a cleaning system 100, which includes a pile body 10 and a cleaning device 20 in the above embodiment. The pile body 10 is configured to support the cleaning device 20.

[0052] Figure 7 is a schematic diagram of the exploded structure of a pile body 10 provided by some embodiments of the present disclosure, as shown in Figure 7, some embodiments of the present disclosure provide a pile body 10 configured to support a cleaning device and dry the cleaning member of the cleaning device, the cleaning device being, for example, a floor scrubber, and the cleaning member being, for example, a cleaning roller of the floor scrubber. After the floor scrubber completes its cleaning work, it returns to be supported by the pile body 10, and the pile body can perform various operations such as charging, self-cleaning, and drying cycles.

[0053] As shown in Figure 7, the pile body 10 includes a housing 12, the housing 12 having a housing space 13, for example, the housing 12 includes a bottom plate 11 and an upper shell snapped to the bottom plate 11, the bottom plate 11 and the upper shell enclose the housing space 13. The bottom plate 11 and the upper shell may be detachable assembly members or may be integrally formed. The pile body 10 further includes a pile body exhaust fan 14 provided in the housing space 13, configured to form dry gas in the housing space 13. The housing 12 is provided with a pile body air outlet 123 configured to be connected to the bottom air outlet of the cleaning device, for example, the device body 22 of a floor cleaning machine.

[0054] The cleaning device's air duct is used to introduce wastewater into the wastewater tank and supply moist air during the cleaning operation of the cleaning device. When the cleaning device is returned to the pile body, the pile body air outlet is connected to the cleaning device's air outlet. Under the action of the pile body's exhaust fan, dry air enters the cleaning device from the cleaning device's air outlet, travels along the cleaning device's air duct to the cleaning rollers, and dries the cleaning rollers. At the same time, the air duct passes through the cleaning device's wastewater tank, resulting in dry air passing through the wastewater tank and drying the inner wall of the wastewater tank, thus preventing the wastewater tank and air duct from becoming wet for extended periods and allowing dirt to accumulate.

[0055] In some embodiments, the wastewater tank is The present invention further includes a cover bracket detachably connected to the wastewater tank body, wherein the first float is provided on one side of the cover bracket, the second float is provided on the other side of the cover bracket, and the first float and the second float are movable between a first position and a second position.

[0056] In some embodiments, In response to the wastewater tank being assembled to the main body of the device, the first sensing assembly outputs a signal indicating that the wastewater tank is assembled in the predetermined position, and / or In response to the wastewater level in the wastewater tank reaching a predetermined position, the first sensing assembly outputs a signal indicating that the wastewater tank is full.

[0057] In some embodiments, The first float includes a second sensing assembly, The second float includes a third sensing assembly, Here, the second sensing assembly and / or the third sensing assembly each generate a sensing signal with the first sensing assembly, The sensing signal corresponding to the signal indicating that the wastewater tank is full is a non-sensing signal.

[0058] In some embodiments, the cover bracket is A first float cover that covers the first float, The present invention further includes a second float cover that covers the second float.

[0059] In some embodiments, The first float cover is rotatably mounted on one side of the cover bracket, The second float cover is rotatably mounted on the other side of the cover bracket, In response to the engagement of the first float cover and the second float cover with the cover bracket, the first float cover covers the first float and the second float cover covers the second float.

[0060] In some embodiments, the first float cover and the second float cover are each provided with a plurality of through holes.

[0061] In some embodiments, the first float includes a first rotation axis, The second float includes a second rotation axis, The first float and the second float rotate between a first position and a second position around the first and second rotation axes, respectively.

[0062] In some embodiments, the first sensing assembly includes a Hall element, and the second and third sensing assemblies include magnets.

[0063] In some embodiments, the cover bracket is A first support bracket extending along the longitudinal direction of the wastewater tank body, A second support bracket extending in a direction substantially perpendicular to the first support bracket, The system includes a third support bracket that extends symmetrically to the second support bracket and along a direction substantially perpendicular to the first support bracket, Here, the first float is provided on the second support bracket, and the second float is provided on the third support bracket.

[0064] In some embodiments, the cover bracket is The system further includes a filter mesh pocket that extends generally in the direction of extension of the first support bracket.

[0065] In some embodiments, the filtration mesh pocket is integrally molded with the first support bracket.

[0066] In some embodiments, the filtration mesh pocket further includes a recess whose opening direction is opposite to the extension direction of the second support bracket.

[0067] In some embodiments, the filtration mesh pocket further includes a plurality of second through-holes whose openings are larger than the openings of the first through-holes.

[0068] In some embodiments, the cover bracket is The first support bracket further includes a mesh screen configured to filter gas.

[0069] Finally, it should be noted that each example in this specification is described progressively, focusing on the differences between each example and the others, and that for identical and similar parts of each example, it is sufficient to refer to the respective examples. Furthermore, the systems or apparatus disclosed in the examples correspond to the methods disclosed in the examples, and therefore their explanation is relatively simple; refer to the explanation in the Methods section.

[0070] The above embodiments are not limiting, but are intended to illustrate the technical solutions of the Disclosure. While the Disclosure has been described in detail with reference to the above embodiments, those skilled in the art can modify the technical solutions described in the above embodiments or substitute some of the technical features accordingly. It should be understood that such modifications or substitutions will not cause the essence of the relevant technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the Disclosure.

Claims

1. A cleaning device, It includes a cleaning sheet body configured to move on the cleaning surface, and a device body pivotally connected to the cleaning sheet body, The main body of the aforementioned device is The first sensing assembly provided on the main body of the device, The device includes a wastewater tank that is detachably connected to the main body of the device, The aforementioned wastewater tank is A wastewater tank body for storing wastewater, The wastewater tank body includes a first float and a second float, The cleaning device is characterized in that the first sensing assembly is used to sense that the wastewater tank has been assembled to the device body, or to sense that the wastewater level in the wastewater tank has reached a predetermined position.

2. The aforementioned wastewater tank is The cleaning device according to claim 1, further comprising a cover bracket detachably connected to the wastewater tank body, wherein the first float is provided on one side of the cover bracket, the second float is provided on the other side of the cover bracket, and both the first float and the second float are movable between a first position and a second position.

3. In response to the wastewater tank being assembled to the main body of the device, the first sensing assembly outputs a signal indicating whether the wastewater tank is assembled in the predetermined position, and / or The cleaning device according to claim 2, characterized in that, in response to the wastewater level in the wastewater tank reaching a predetermined position, the first sensing assembly outputs a signal indicating that the wastewater tank is full.

4. The first float includes a second sensing assembly, The second float includes a third sensing assembly, The second sensing assembly and / or the third sensing assembly each cooperate with the first sensing assembly to generate a sensing signal. The cleaning device according to claim 3, characterized in that the sensing signal corresponding to the signal indicating that the wastewater tank is full is a non-sensing signal.

5. The aforementioned cover bracket is A first float cover that covers the first float, The cleaning device according to claim 2, further comprising a second float cover that covers the second float.

6. The first float cover is rotatably mounted on one side of the cover bracket, The second float cover is rotatably mounted on the other side of the cover bracket, The cleaning device according to claim 5, characterized in that, in response to the engagement of the first float cover and the second float cover with the cover bracket, the first float cover covers the first float and the second float cover covers the second float.

7. The cleaning device according to claim 5, characterized in that a plurality of first through holes are provided in the first float cover and the second float cover, respectively.

8. The first float includes a first rotation axis, The second float includes a second rotation axis, The cleaning device according to claim 2, characterized in that the first float and the second float rotate between a first position and a second position around the first rotation axis and the second rotation axis, respectively.

9. The cleaning device according to claim 4, characterized in that the first sensing assembly includes a Hall element, and the second and third sensing assemblies include magnets.

10. The aforementioned cover bracket is A first support bracket extending along the longitudinal direction of the wastewater tank body, A second support bracket extending in a direction substantially perpendicular to the first support bracket, It includes a third support bracket that extends symmetrically to the second support bracket and along a direction substantially perpendicular to the first support bracket, The cleaning device according to claim 7, characterized in that the first float is provided on the second support bracket, and the second float is provided on the third support bracket.

11. The aforementioned cover bracket is The cleaning device according to claim 10, further comprising a filter mesh pocket extending substantially along the extension direction of the first support bracket.

12. The cleaning device according to claim 11, characterized in that the filtration mesh pocket is integrally molded with the first support bracket.

13. The cleaning device according to claim 11, characterized in that the filtration mesh pocket has a recess, and the opening direction of the recess is opposite to the extension direction of the second support bracket.

14. The cleaning device according to claim 11, characterized in that the filtration mesh pocket has a plurality of second through holes, and the opening of the second through hole is larger than the opening of the first through hole.

15. The aforementioned cover bracket is The cleaning device according to claim 10, further comprising a mesh screen provided on the first support bracket and configured to filter gas.

16. Pile body, and A cleaning system comprising a cleaning device according to any one of claims 1 to 15, wherein the pile body is configured to support the cleaning device.