Cleaning device and cleaning system

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).

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 cleaning devices and cleaning systems.

Background Art

[0003] With the continuous development of technology, cleaning devices such as floor cleaners are adopted in a wide range of households, and floor cleaners can save time and labor compared to conventional manual cleaning. A floor cleaner 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 a 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, wherein the device body a first sensing assembly provided on the apparatus main body, and a sewage tank detachably connected to the apparatus main body, wherein the sewage tank includes a sewage tank main body for storing sewage, and a first float and a second float provided in the sewage tank main body.

[0006] Embodiments of the present disclosure provide a cleaning system, the cleaning system including a pile body, and the above cleaning device, wherein the pile body is configured to support the cleaning device.

[0007] The accompanying drawings herein are incorporated herein as part of this specification, illustrate embodiments of the present disclosure, and are used to interpret the principles of the present disclosure together with the specification. Obviously, the accompanying drawings described below are only some embodiments of the present disclosure, and those skilled in the art can obtain other drawings based on these accompanying drawings without creative labor.

Brief Description of the Drawings

[0008]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Description of the Reference Numerals

[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 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. Obviously, 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] Note that the terms "comprising", "including", or any other variation are intended to cover non-exclusive inclusion. A product or device that includes a series of elements includes not only those elements but also other elements not explicitly listed or elements specific to such a product or device. Unless further limited, the fact that a product or device is defined by the expression "including one ~" does not exclude the presence of other elements of the same kind in the product or device of the said elements.

[0012] A cleaning device, such as a floor washer, usually includes a device main body and a cleaning sheet main body. Inside the device main body, a recovery water tank such as a sewage tank, a cleaning liquid tank such as a clean water tank, and a main exhaust fan for suction are provided. The cleaning sheet main body includes at least one cleaning roller for dragging and wiping. The cleaning roller is, for example, one, two, or more, and generally two cleaning rollers are provided to ensure the cleaning efficiency. Clean cleaning liquid, such as clean water, is sprayed onto the linted cleaning roller through a built-in water pipe. While the cleaning roller rotates at high speed to mop and clean the floor surface, the main exhaust fan forms a negative pressure in the device air duct of the cleaning device, sucks the sewage after surface cleaning from the suction port of the cleaning device, pumps it into the sewage tank, and the sewage return path also serves as a part of the device air duct of the cleaning device.

[0013] After normal use, the cleaning device is returned to the pile main body, and the cleaning roller can be cleaned or dried in the pile main body. The drying of the cleaning roller is performed, for example, by air drying or heat drying.

[0014] Hereinafter, selectable embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

[0015] In the related art, a cleaning device, such as a floor washer, during operation, the water level in the sewage tank gradually rises, and the user needs to constantly check the water level in the sewage tank to avoid overflow due to full water, which results in a poor user experience. Also, it is inconvenient for the existing cleaning device to determine whether the sewage tank is correctly assembled to the device main body.

[0016] In this regard, embodiments of the present disclosure provide a cleaning device. By providing a first sensing assembly, a first float, and a second float in the cleaning device, it is possible to immediately detect whether the waste water tank in the cleaning device is full of waste water and whether the waste water tank is assembled at a predetermined position. Through signal comparison of two symmetric floats, clogging detection of a single-sided float is realized. In embodiments of the present disclosure, a filter mesh pocket extending along the longitudinal direction of the waste water tank body is provided to reduce the occupied space of the waste water tank during assembly. When discarding the waste water, the filter mesh pocket can be placed generally horizontally for filtration, and the waste water in the waste water tank can be filtered.

[0017] Specifically, the cleaning device provided by embodiments of the present disclosure, as an example, FIG. 1 is a schematic structural diagram of a cleaning device provided by some embodiments of the present disclosure. As shown in FIG. 1, the cleaning device 20, such as a floor washer, includes a cleaning sheet body 21, a device body 22, and a handle assembly 23. Here, the device body 22 is provided above the cleaning sheet body 21 and is movably connected to the cleaning sheet body 21, for example, pivotally connected. The handle assembly 23 is connected to an end of the device body 22 away from the cleaning sheet body 21 so that a user can operate and grip it. The user holds the handle assembly 23 to operate the cleaning sheet body 21 to perform a cleaning task on a surface to be cleaned, such as a floor surface.

[0018] For the sake of convenience of description, it is defined as follows. That is, the floor washer can be calibrated by defining three mutually perpendicular axes: the transverse axis Y, the front-rear axis X, and the vertical axis Z. The direction pointed by the arrow along the front-rear axis X is denoted as "front", and the direction opposite to the arrow direction along the front-rear axis X is denoted as "rear". The transverse axis Y is approximately the width direction of the cleaning sheet body 21. The arrow direction along the transverse axis Y is denoted as "left", and the direction opposite to the arrow along the transverse axis Y is denoted as "right". The vertical axis Z is the direction that extends vertically along the bottom surface of the cleaning sheet body 21 (i.e., the plane formed by the front-rear axis X and the transverse Y axis). As shown in FIG. 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. Usually, when the cleaning device is in the storage state, as shown in FIG. 1, the first direction is approximately the vertical direction, forms a small angle with the vertical axis Z, and is approximately parallel, for example, an angle less than 15 degrees. The first direction is, for example, vertically upward or vertically downward, and the second direction is approximately the horizontal direction, approximately parallel to the front-rear axis X or the transverse axis Y, for example, the left-right horizontal direction or the front-rear horizontal direction.

[0019] In some embodiments, the device body 22 refers to the part between the cleaning sheet body 21 of the cleaning device and the handle assembly 23. The device body 22 extends in the overall longitudinal direction, that is, the first direction. The handle assembly 23 is connected to the upper end of the device body 22, the cleaning sheet body 21 is connected to the lower end of the device body 22, the device body 22 is pivotally connected to the cleaning sheet body 21, and the handle assembly 23 and the device body 22 are rotatable with respect to the cleaning sheet body 21, and the operation angle can be changed to flexibly adjust the cleaning posture. The cleaning sheet body 21 includes a cleaning roller brush 211 at its bottom. Specifically, the number of cleaning rollers 211 is, for example, one or more, for example, two. The cleaning roller 211 can rotate at a high speed to mop and clean the floor surface.

[0020] The cleaning device 20, for example a floor washer, further includes a clean water tank 26 and a waste water tank 25. The clean water tank 26 and the waste water tank 25 are provided, for example, in the device main body 22, and in some embodiments, both are detachably connected to the device main body 22. The clean water tank 26 is used to store a cleaning liquid, such as clean water, a cleaning solution or a mixture thereof. The clean water pipeline supplies the cleaning liquid to the cleaning roller 211 to wet the surface of the cleaning roller 211, so that the cleaning roller 211 can wet-clean the surface to be cleaned. The waste water tank 25 is used to store the recovered waste water. When the cleaning roller 211 performs wet cleaning, waste water is generated on the surface to be cleaned, and the waste water is recovered into the waste water tank 25 through the waste water recovery pipeline.

[0021] Referring to FIGS. 2 to 5 together, as shown in FIG. 2, the waste water tank 25 includes a waste water tank main body 251 and a cover bracket 252. Here, the waste water tank main body 251 is used to store the recovered waste water. The waste water tank main body 251 is sleeved at least in the lower half of the cover bracket 252 and is detachably connected to the cover bracket 252. The waste water tank main body 251 includes an opening 2513 and a bottom surface 2514.

[0022] As shown in FIG. 3, the waste water tank main body 251 includes a waste water pipeline 2511, which extends along the bottom surface of the waste water tank main body in the opening direction of the waste water tank main body. Under the action of the blower, the waste water of the cleaning roller 211 enters the waste water tank main body 251 from the waste water pipeline 2511. The waste water tank main body 251 further includes a protruding handle 2512 for facilitating the assembly or removal of the waste water tank 25.

[0023] In some embodiments, as shown in FIG. 4, the cover bracket 252 includes a first support bracket 2521, a second support bracket 2522, and a third support bracket 2523. The first support bracket 2521 extends along the longitudinal direction (the first direction) of the sewage tank body 251. The second support bracket 2522 extends at a preset angle with respect to the first support bracket 2521, for example, extends along a substantially vertical direction (the second direction). The third support bracket 2523 extends at a preset angle with respect to the first support bracket 2521, for example, extends along a substantially vertical direction (the second direction). The third support bracket 2523 and the second support bracket 2522 may have a symmetrical structure, for example, 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 have an integrally formed structure, 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 curved surfaces 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. Here, the first float is provided on one side of the cover bracket 252, and the second float and the first float are symmetrically provided 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] FIG. 5 mainly shows the relationship between the second float 2541 and its related assembly. For better understanding, since it is the same as the relationship between the first float and its related assembly, the description is omitted. Specifically, both the first float and the second float 2541 can move in response to changes in the water level. Taking the second float 2541 as an example, when the water level is lower than the second float 2541, the second float 2541 is in the lowest position, i.e., the first position in FIG. 5, because there is no buoyancy. When the water level rises to contact the second float 2541, the second float 2541 receives buoyancy and moves in response to the change in the water level. As the water level rises, due to structural limitations, it can move to the highest position, i.e., the second position in FIG. 5. The operating principle of the first float is the same as that of the second float 2541 described above. Specifically, the two floats pivotally move. In some embodiments, small floats may be used for the first float and the second float 2541. The small floats have a small occupied space and low cost, increase the amount of sewage that can be accommodated in the sewage tank, and because of their small volume, the amount of immersion in the sewage is very small, having little impact on the volume of sewage that can be accommodated in the sewage tank 25. Since it has a left-right symmetric structure, the difference in the amount of water at the front, rear, left, and right during triggering is small. Also, the small floats can enhance the rotational sensitivity of the floats and the detection sensitivity.

[0026] In some embodiments, the first float and the second float 2541 operate in cooperation with a first sensing assembly fixed to the apparatus main body 22 and are configured to monitor whether the sewage tank 25 is assembled in a predetermined position. Specifically, the first float includes a second sensing assembly, the second float includes a third sensing assembly. As an embodiment, the first sensing assembly may be composed of one, two or a plurality of components. When composed of two or more components, they are provided at different positions of the apparatus main body and can cooperate with the second sensing assembly and the third sensing assembly respectively to generate sensing signals. When the sewage tank 25 is assembled to the apparatus main body 22, when the first float and the second float 2541 are located at the first position, the second sensing assembly and / or the third sensing assembly cooperate with the first sensing assembly respectively to generate a sensing signal, and information that the sewage tank 25 is assembled in a predetermined position can be obtained from the sensing signal. Conversely, when the sewage tank 25 is not assembled or is assembled to the apparatus main body 22 in a mismatched manner, the second sensing assembly and / or the third sensing assembly do not cooperate with the first sensing assembly to generate a sensing signal, but issue warning information for prompting the user to reassemble the sewage tank 25 again.

[0027] In some embodiments, when the first float and the second float are in the first position, the first sensing assembly is correspondingly provided on the apparatus main body, and the first float and the second float cooperate with the first sensing assembly provided on the apparatus main body 22 and are configured to monitor the water level in the sewage tank main body 251. As an embodiment, the first sensing assembly and the first float and / or the 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 the increase of the distance. For example, the first sensing assembly generates a sensing signal from strong to weak within a distance range of 1 cm to 3 cm. When the distance is less than 1 cm, the intensity of the sensing signal is maintained. When the distance is greater than 3 cm, the sensing signal attenuates to 0. Therefore, different distance ranges can be delimited as threshold ranges. The above distance range may be specific distance values, such as 1 cm and 3 cm. Different distance ranges can be continuous or discontinuous. Specific examples of continuous distance ranges are shown below. For example, within the range of 1 cm to 3 cm, it is divided into two distance ranges of 1 cm to 2 cm and 2 cm to 3 cm with 2 cm as the boundary, and is used as a detection threshold range for monitoring whether the sewage tank is assembled at a predetermined position and whether it is full of water. When the sewage tank 25 is assembled on the apparatus main body 22, the first float and the second float 2541 are in the first position, and the distances between the second sensing assembly and / or the third sensing assembly and the first sensing assembly are the first distance, such as 2.5 cm, which satisfies the detection threshold range of 2 cm to 3 cm. Based on the intensity of the sensing signal generated by the first sensing assembly, information that the sewage tank 25 is assembled at a predetermined position is generated. When the sewage tank 25 is full of water, the first float and the second float 2541 are in the second position, and the distances between the second sensing assembly and / or the third sensing assembly and the first sensing assembly are the second distance, such as 1.5 cm, which satisfies the detection threshold range of 1 cm to 2 cm. Based on the intensity of the sensing signal generated by the first sensing assembly, information that the sewage tank 25 is full of water is generated. The same applies to discontinuous distance ranges.

[0028] In some embodiments, the first sensing assembly includes two sets of sensing elements. When the first float and the second float are in the first position, the first set of sensing elements are correspondingly provided on the apparatus main body. When the first float and the second float are in the second position, the second set of sensing elements are correspondingly provided on the apparatus main body. The two sets of sensing elements each cooperate with the first float and / or the second float to operate and complete the full water monitoring task. Specifically, the first float includes a second sensing assembly, and the second float includes a third sensing assembly. When the sewage tank 25 is assembled to the apparatus main body 22, the first float and the second float 2541 are in the first position, and the second sensing assembly and / or the third sensing assembly each cooperate with the first set of sensing elements to generate a first sensing signal. From the first sensing signal, information that the sewage tank 25 is assembled at a predetermined position is obtained. When the sewage in the sewage tank 25 reaches a preset position, for example, when it reaches the preset position of the full water position where the first float and / or the second float reach the second position, the second sensing assembly and / or the third sensing assembly each cooperate with the second set of sensing elements to generate a second sensing signal. From the second sensing signal, information that the sewage tank 25 is full of water is obtained, prompting the user to continue the treatment.

[0029] In some embodiments, if one of the first float and the second float provides the second sensing signal, it can be determined that the sewage tank 25 is full of water. For example, if one float is blocked and clogged and does not float due to other failures, and the other float floats normally, the alarm task of the full water signal becomes possible, and the risk of sewage overflow can be avoided.

[0030] In some embodiments, the first float includes a second sensing assembly, and the second float includes a third sensing assembly. When the sewage in the sewage tank has not reached a preset position, the second sensing assembly and / or the third sensing assembly are in a first position. In response to the sewage 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 that the sewage tank is assembled at a predetermined position is generated. When the sewage in the sewage tank reaches the 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 sewage, and the distance between the second sensing assembly and / or the third sensing assembly and the first sensing assembly increases, and the sensing signal disappears. Due to the disappearance of the sensing signal, information that the sewage tank is full of water can be obtained. Such a setting method realizes the detection functions of being full of water and assembled at a predetermined position only at one detection position (corresponding to the first position), and there is no need to additionally improve the judgment circuit of the hall detection assembly, so the detection logic is simplified, the detection efficiency is improved, and the cost of the detection circuit can be reduced.

[0031] In some embodiments, by comparing two symmetric floats, namely the first float and the second float, an abnormal assembly of the sewage tank can be detected. Specifically, if a sensing signal is generated only by one float, or if the difference between the sensing signals generated at two locations of the first float and the second float exceeds a preset threshold, it can be determined that there is an abnormal assembly of the sewage tank, and it cannot be assembled at the predetermined position, prompting the user to continue the process.

[0032] In some embodiments, by comparing two symmetric floats, namely the first float and the second float, blockage detection of one-sided float can be realized. Specifically, if the difference between the sensing signals generated at two locations of the first float and the second float exceeds a preset threshold, it can be determined that one side of the float is blocked, prompting the user to continue the process.

[0033] In some embodiments, by way of example, the first sensing assembly includes, but is not limited to, hall elements such as a hall plate or a hall sensing assembly, and the second sensing assembly and the third sensing assembly include, but are not limited to, magnets.

[0034] In some embodiments, the cover bracket 252 further includes a first float cover 2533 and a second float cover 2543. Here, the first float cover 2533 is rotatably provided on one side of the cover bracket 252, and the second float cover 2543 is rotatably provided 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 a float cover outside the float, the float can be protected, and it is possible to avoid solid matter in the sewage from blocking the float or affecting the response of the float to the water level change.

[0035] In some embodiments, as shown in FIG. 5, at least one locking member 2534, such as a snap, is respectively provided at the edges of the first float cover 2533 and the second float cover 2543, and at least one locking member 2524, such as an engaging groove, is provided at a position corresponding to the cover bracket 252. Through the cooperation of the locking member 2534 and the locking member 2524, the engagement between the first float cover 2533 and the second float cover 2543 and the cover bracket 252 can be achieved, and the protection of the first float and the second float can be strengthened.

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

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

[0038] In some embodiments, the cover bracket 252 further includes a filter mesh pocket 2525, and the filter mesh pocket 2525 extends along a stretching direction generally similar to that of the first support bracket 2521. In some embodiments, the filter mesh pocket 2525 and the first support bracket 2521 have an integrally formed structure. By integral molding, the strength and durability of the entire cover bracket 252 structure are enhanced. The filter mesh pocket 2525 and the first support bracket 2521 may be detachably connected, which facilitates cleaning by the user and allows them to be replaced as consumables. The filter mesh pocket 2525 can also be integrally formed 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 filter mesh pocket 2525 is provided at a first end facing the bottom surface of the sewage tank body 251 of the cover bracket 252. The filter mesh pocket 2525 generally extends from the bottom surface of the cover bracket 252 toward the bottom surface of the sewage tank body 251. When the sewage tank 25 is in the assembled position, the filter mesh pocket 2525 is arranged to extend substantially along the first direction, which is substantially the same as the flow direction of the sewage when the sewage enters the sewage tank body 251. It can reduce the resistance when the sewage enters the sewage tank body 251 and at the same time reduce the possibility of impurities in the sewage being caught by the filter mesh pocket 2525. When taking out the sewage tank 25 to discard the sewage, the user can choose whether to use the filter mesh pocket 2525 to filter the sewage according to the specific use environment. Specifically, when the user uses the filter mesh pocket 2525 to filter the sewage, the second end 255 of the cover bracket 252 can be grasped so that the receiving surface of the filter mesh pocket 2525 faces the sewage disposal direction. For example, the filter mesh pocket 2525 can filter the sewage within a preset angle range from the horizontal direction, for example, the extending surface of the filter mesh pocket 2525 is within a preset angle range of 0 to 90 degrees from the horizontal direction, which makes it easier for the user to perform the filtering operation when the sewage needs to be filtered.

[0040] In some embodiments, as shown in FIG. 5, the filter mesh pocket 2525 further includes a recess 2526, and the opening direction of the recess 2526 is opposite to the extending direction of the second support bracket 2522. In the assembled position, the recess 2526 of the filter mesh pocket 2525 faces the outside of the device body 22 for easy use. Optionally, the filter mesh pocket is formed of a rigid material, such as rigid plastic, rigid organic material, metal, etc., to enhance the rigidity of the filter 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. By selecting different opening sizes, solids of different sizes in the sewage can be filtered. The second through holes 2527 have a large opening size to allow the sewage to pass through quickly, and the first through holes 2544 have a small opening size to allow water to enter only the float cover.

[0042] When the sewage tank 25 is full, if the user removes it from the cleaning device body 22 and removes the cover bracket 252 from the sewage tank body 251, and the user believes that it is necessary to filter the sewage when discarding it, the cover bracket 252 is horizontally arranged so that the filtration mesh pocket 2525 is located below the sewage outlet of the sewage tank body 251. After the sewage flows out of the sewage tank body 251, it passes through the recess 2526 of the filtration mesh pocket 2525, and the liquid is discharged through the second through holes 2527, realizing the filtration of most solids in the sewage. Large solids can be directly discarded at the drainage location (such as a sewer or a toilet), avoiding causing blockage of the drainage location.

[0043] The filtration mesh pocket 2525 is the same as the extending direction of the entire cover bracket 252, and the recess 2526 is shallow and the recess shape is smoother. Therefore, compared with the structure with a certain angle between the grip part and the filtration part, it is more convenient when the user discards the filtered solid waste, improving the usage experience. Similarly, it is also easier to clean in the subsequent cleaning process.

[0044] The filtration mesh pocket extending longitudinally in the sewage tank body reduces the space occupied in the sewage tank body during assembly, makes it difficult for impurities to drip down, and can be used to select the filtration function when discarding the sewage. The operation is simple and flexible, improving the practicality of the filtration bracket.

[0045] In some embodiments, the cover bracket 252 may further include a filtering window 2528. For example, a mesh screen or other filtering material may be provided on the filtering window. The filtering window 2528 is provided on the first support bracket 2521 and is configured to filter gas. When the gas passes through the first support bracket 2521 via the filtering window 2528 and flows, particulate matter carried by the gas is blocked by the filtering window 2528, achieving a rough filtration of the gas. Since the filtering window 2528 is provided on the first support bracket 2521, when the sewage is discarded, it is necessary to take out the first support bracket 2521 from the sewage tank body. At this time, the position of the filtering window 2528 provided on the first support bracket 2521 is easy for the user to visually recognize, that is, easy for the user to recognize, and it can have the effect of prompting the user to timely clean the dirt attached to the filtering window 2528. Since the position of the filtering window 2528 is close to the filtering mesh pocket 2525, the user can rinse the filtering window 2528 and the filtering mesh pocket 2525 together during cleaning. Optionally, the filtering window 2528 may be of a single structure, or a two-valve structure or other multi-valve structures, and is not particularly limited here.

[0046] In some embodiments, the cleaning device 20 further includes a power source, which is arranged to generate an air flow that moves along the same direction in the cleaning device. By this air flow, the sewage (including solid waste) on the surface to be cleaned is carried to the cleaning device 20 for collection. Therefore, this air flow is defined as a recovery air flow. The air flow path through which the recovery air flow flows in the cleaning device 20 is formed by the device air duct. The entire air flow path passes at least sequentially through the dirt suction port, the dirt collection part (i.e., the sewage drum) and the power source of the cleaning device 20. That is, the device air duct includes at least the dirt suction port, the dirt collection part (i.e., the sewage drum) and the power source. Since the recovery air flow flowing out from the dirt collection part does not carry sewage, the air flow path defined by the dirt suction port and the dirt collection part is defined as a recovery path.

[0047] The power source can specifically be a suction source, such as an exhaust fan. The exhaust fan is provided on the device main body 22 and is configured such that gas flows in the device air duct to form a recovered air flow and provide suction power for sewage recovery. The sewage recovery pipeline communicates the dirt suction port with the sewage tank 25 and forms a part of the device air duct. Under the action of the suction force generated by the exhaust fan, sewage is sucked into the sewage tank 25 through the sewage recovery pipeline.

[0048] In some embodiments, as shown in FIG. 4, the cover bracket 252 further includes a second end 255 opposite to the first end. The second end 255 is adjacent to the opening side of the sewage tank main body 251. The cover bracket 252 further includes a filtration assembly 2551 provided at the second end 255. The filtration assembly 2551 is configured such that the recovered air flow flows through the sewage pipeline 2511, the filtration window 2528, and the filtration assembly 2551. The recovered air flow is first filtered for the first time by the filtration window 2528, then filtered for the second time by the filtration assembly 2551, and then enters the exhaust fan, ensuring that the gas entering the exhaust fan does not contain impurities and reducing the damage of the exhaust fan. Optionally, the filtration assembly 2551 is composed of multi-layer filter cotton and multi-layer gauze. A mesh screen may be provided on either one of the filtration window 2528 and the filtration assembly 2551. Of course, a mesh screen may be provided on both the filtration window 2528 and the filtration assembly 2551 to enhance the filtration performance. In some embodiments, the cover bracket further includes a sewage tank main body assembly part 2552 that extends along the circumferential direction and is provided at the second end 255, and is configured to be engaged and assembled with the opening of the sewage tank main body 251.

[0049] The cleaning device provided by the embodiments of the present disclosure can immediately detect, by means of the double float provided in the sewage tank, the full water state of the sewage in the sewage tank of the cleaning device and whether the sewage tank is assembled at a predetermined position, and can realize the detection of the blockage of the single-side float by comparing the signals of the two symmetric floats.

[0050] In an embodiment of the present disclosure, by providing a filtration mesh pocket extending along the longitudinal direction of the sewage tank body, during assembly, the occupied space of the sewage tank can be reduced, snagging of impurities can be avoided, and when discarding sewage, the filtration mesh pocket can be placed generally horizontally for filtration, facilitating the sewage filtration operation in the sewage tank and improving the practicality of the filtration bracket.

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

[0052] FIG. 7 is a schematic exploded view of a pile body 10 provided by some embodiments of the present disclosure. As shown in FIG. 7, some embodiments of the present disclosure provide a pile body 10 configured to support a cleaning device and dry a cleaning member of the cleaning device. The cleaning device is, for example, a floor washer, and the cleaning member is, for example, a cleaning roller of the floor washer. After completing the cleaning operation, the floor washer returns to and is supported by the pile body 10, and various operations such as charging, self-cleaning, and drying cycles can be performed on the pile body.

[0053] As shown in FIG. 7, the pile body 10 includes a housing 12, the housing 12 has an accommodation space 13. For example, the housing 12 includes a bottom plate 11 and an upper shell snap-fastened to the bottom plate 11, and the bottom plate 11 and the upper shell surround the accommodation 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 accommodation space 13, and is configured to form a drying gas in the accommodation space 13. The housing 12 is provided with a pile body air outlet 123 configured to connect to the bottom air outlet of the cleaning device, for example, the device body 22 of the floor washer.

[0054] The device air duct of the cleaning device is used to allow sewage to flow into the sewage tank during the cleaning operation of the cleaning device and to send wet gas. When the cleaning device is returned to the pile body, the pile body air outlet is connected to the air outlet of the cleaning device. Under the action of the exhaust fan of the pile body in the pile body, dry gas enters the cleaning device from the air outlet of the cleaning device, reaches the cleaning roller of the cleaning device along the device air duct of the cleaning device, dries the cleaning roller of the cleaning device. At the same time, the device air duct passes through the sewage tank of the cleaning device. As a result, the dry gas passes through the sewage tank of the cleaning device to dry the inner wall of the sewage tank, and it is possible to avoid the sewage tank and the device air duct being wet for a long time and breeding dirt.

[0055] In some embodiments, the sewage tank further includes a cover bracket detachably connected to the sewage tank body. Here, 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 sewage tank being assembled to the device body, the first sensing assembly outputs a signal indicating that the sewage tank is assembled in a predetermined position, and / or in response to the sewage level in the sewage tank reaching a predetermined position, the first sensing assembly outputs a signal indicating that the sewage tank is full.

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

[0058] In some embodiments, the cover bracket further includes a first float cover covering the first float and a second float cover covering the second float.

[0059] In some embodiments, the first float cover is rotatably provided on one side of the cover bracket, the second float cover is rotatably provided on the other side of the cover bracket, wherein, in response to the first float cover and the second float cover being engaged 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, a plurality of through holes are respectively provided in the first float cover and the second float cover.

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

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

[0063] In some embodiments, the cover bracket includes a first support bracket extending along the longitudinal direction of the sewage tank body, a second support bracket extending along a direction substantially perpendicular to the first support bracket, and a third support bracket extending along a direction substantially perpendicular to the first support bracket symmetrically with respect to the second 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 further includes a filter mesh pocket that generally extends along the extending direction of the first support bracket.

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

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

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

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

[0069] Finally, it should be noted that each embodiment in this specification is gradually described by focusing on the differences between each embodiment and other embodiments. For the same parts and similar parts of each embodiment, it is sufficient to refer to each embodiment with respect to each other. Also, for the system or device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and reference may be made to the description in the method section.

[0070] The above embodiments are not restrictive and are for explaining the technical solutions of the present disclosure. Although the present disclosure has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions described in each of the foregoing embodiments or perform equivalent substitutions for some technical features. It should be understood that these modifications or substitutions do not depart from the spirit and scope of the technical solutions of the present disclosure for each embodiment of the relevant technical solutions.

Claims

1. A cleaning device, comprising a cleaning sheet body configured to move on a cleaning surface, and a device body pivotally connected to the cleaning sheet body, wherein the device body comprises a first sensing assembly provided on the device body, and a sewage tank removably connected to the device body, wherein the sewage tank comprises a sewage tank body for storing sewage, and a first float and a second float provided in the sewage tank body, and is characterized by such a cleaning device.

2. The sewage tank further comprises a cover bracket removably connected to the sewage tank body, 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. The cleaning device according to Claim 1, characterized by this.

3. In response to the sewage tank being assembled to the device body, the first sensing assembly outputs a signal indicating whether the sewage tank is assembled at a predetermined position, and / or In response to the sewage water level in the sewage tank reaching a predetermined position, the first sensing assembly outputs a signal indicating the fullness of the sewage tank. The cleaning device according to Claim 2, characterized by this.

4. The first float comprises a second sensing assembly, the second float comprises a third sensing assembly, the second sensing assembly and / or the third sensing assembly respectively cooperate with the first sensing assembly to generate a sensing signal, and the sensing signal corresponding to the signal indicating the fullness of the sewage tank is a non-sensing signal. The cleaning device according to Claim 3, characterized by this.

5. The cover bracket comprises a first float cover covering the first float, and a second float cover covering the second float. The cleaning device according to Claim 2, characterized by this.

6. The first float cover is rotatably provided on one side of the cover bracket, the second float cover is rotatably provided on the other side of the cover bracket, and in response to the first float cover and the second float cover being engaged with the cover bracket, the first float cover covers the first float and the second float cover covers the second float. The cleaning device according to Claim 5, characterized by this.

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

8. The first float includes a first rotation axis, The second float includes a second rotation axis, The cleaning device according to claim 2, wherein the first float and the second float each rotate between a first position and a second position around the first rotation axis and the second rotation axis.

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

10. The cover bracket, a first support bracket extending along the longitudinal direction of the sewage tank body, a second support bracket extending along a direction substantially perpendicular to the first support bracket, a third support bracket extending along a direction substantially perpendicular to the first support bracket symmetrically with respect to the second support bracket, The cleaning device according to claim 7, wherein the first float is provided on the second support bracket, and the second float is provided on the third support bracket.

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

12. The cleaning device according to claim 11, wherein the filter mesh pocket is integrally formed with the first support bracket.

13. The cleaning device according to claim 11, wherein the filter mesh pocket has a recess, and the opening direction of the recess is opposite to the extending direction of the second support bracket.

14. The cleaning device according to claim 11, wherein the filter mesh pocket has a plurality of second through holes, and the openings of the second through holes are larger than the openings of the first through holes.

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

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

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