Self-cleaning method of cleaning equipment and cleaning equipment

Abstract

The invention provides a self-cleaning method of cleaning equipment and the cleaning equipment. The cleaning equipment comprises a rolling brush device and a dirt suction device, the rolling brush device comprises a rolling brush used for wiping dirt and a rolling brush driving part used for driving the rolling brush to rotate, and the dirt suction device comprises a dirt suction pipeline, a sewage tank and a suction device acting on the dirt suction pipeline. The self-cleaning method comprises the steps that under the condition that the soaking and washing mode is started, the rolling brush driving part is controlled to be started and drive the rolling brush to rotate, the suction device is controlled to operate in the state of not exceeding first power, and the first power is the operation power that the suction device can suck cleaning liquid into the sewage tank and the cleaning liquid cannot overflow out of the sewage tank. Wherein the soaking and washing mode indicates that the rolling brush is soaked in the cleaning liquid. According to the self-cleaning method, deep self-cleaning can be conducted on the cleaning equipment, blockage and peculiar smell generation of the cleaning equipment are avoided, and the user experience is improved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of cleaning equipment, and in particular to a self-cleaning method for cleaning equipment and the cleaning equipment. Background Art

[0002] With the development of science and technology and social progress, more and more families have begun to use cleaning equipment such as vacuum cleaners, fabric cleaning machines, carpet cleaning machines, sweepers or floor scrubbers to improve household hygiene cleaning efficiency and cleaning quality.

[0003] Typically, cleaning equipment in related technologies needs to self-clean after use to prevent dirt residue from generating odor or breeding bacteria. However, cleaning equipment in related technologies is often only capable of surface cleaning, while other parts of the cleaning equipment that are also exposed to dirt, such as the suction port, suction pipe, and sewage tank, are unable to self-clean. This results in dirt still remaining inside the cleaning equipment. Over time, this will not only cause blockage of the suction pipe inside the cleaning equipment, shortening its service life, but will also cause bacteria to grow inside the cleaning equipment and produce odor, affecting the user's health and resulting in a poor user experience. Summary of the Invention

[0004] The present disclosure provides a self-cleaning method for a cleaning device and a cleaning device, which can perform deep self-cleaning on the cleaning device to enhance user experience.

[0005] Specifically, the present disclosure is achieved through the following technical solutions:

[0006] According to a first aspect of an embodiment of the present disclosure, the present disclosure provides a self-cleaning method for a cleaning device. The cleaning device includes a roller brush device and a dirt suction device, the roller brush device includes a roller brush for wiping dirt and a roller brush driving member for driving the roller brush to rotate, and the dirt suction device includes a dirt suction pipe for collecting dirt, a sewage tank connected to the sewage suction pipe, and a suction device acting on the sewage suction pipe. The self-cleaning method includes: when the bubble washing mode is started, the roller brush driving member is controlled to start and drive the roller brush to rotate, and the suction device is controlled to operate in a state not exceeding a first power, and the first power is the operating power at which the suction device can suck the cleaning liquid into the sewage tank and the cleaning liquid will not overflow from the sewage tank. Among them, the bubble washing mode indicates that the roller brush is immersed in the cleaning liquid.

[0007] In some embodiments, in the soaking mode, the height of the soaking portion of the roller brush soaked in the cleaning liquid is not less than one-quarter of the height of the roller brush.

[0008] In some embodiments, the cleaning device further includes a shell device, which is used to carry the roller brush device; in the bubble washing mode, the shell device and the roller brush device are completely immersed in the cleaning liquid.

[0009] In some embodiments, controlling the suction device to operate at a state not exceeding the first power includes:

[0010] The control suction device is in the closed state.

[0011] Alternatively, the suction device is controlled to be in a start-up state so that the operating power of the suction device is greater than zero and does not exceed the first power.

[0012] In some embodiments, controlling the suction device to be in a startup state further includes: controlling the suction device to run and shut down when a first preset condition is met.

[0013] In some embodiments, controlling the suction device to shut down when a first preset condition is met includes at least one of the following:

[0014] The suction device is controlled to run until the preset time is reached and then shut down.

[0015] The suction device is controlled to operate until the cleaning liquid in the sewage tank reaches a preset height and then shuts down.

[0016] In some embodiments, controlling the roller brush driving member to start includes: controlling the roller brush driving member to drive the roller brush to rotate forward, reverse, or alternately forward and reverse at a first speed, so that the roller brush performs self-cleaning.

[0017] In some embodiments, the cleaning device further includes a housing device for supporting the rotation of the roller brush, a scraper device for scraping off dirt adsorbed by the roller brush, and a sewage suction port for connecting to a sewage suction pipe.

[0018] Controlling the roller brush drive to start also includes: controlling the roller brush drive to drive the roller brush to rotate forward, reverse, or alternately forward and reverse at a second speed greater than the first speed, so that the cleaning liquid rolled up by the roller brush can also self-clean at least one of the scraper device and the sewage suction port.

[0019] In some embodiments, controlling the roller brush drive to start also includes: controlling the roller brush drive to drive the roller brush to rotate forward, reverse, or alternately forward and reverse at a third speed greater than the second speed, so that the cleaning liquid rolled up by the roller brush can enter the sewage suction pipe to perform self-cleaning on the sewage suction pipe.

[0020] In some embodiments, the self-cleaning method further comprises:

[0021] When the self-cleaning mode is activated, the roller brush driving member is controlled to start and drive the roller brush, and the suction device is controlled to be closed, or the suction device is controlled to start and operate at a second power not less than the first power.

[0022] The rotation speed of the roller brush in the self-cleaning mode does not exceed the rotation speed in the bubble washing mode;

[0023] In the self-cleaning mode, the height of the immersed portion of the roller brush immersed in the cleaning liquid is lower than the height of the immersed portion in the foam washing mode.

[0024] According to the second aspect of an embodiment of the present disclosure, the present disclosure provides a self-cleaning method for a cleaning device, wherein the cleaning device includes a roller brush device and a dirt suction device, the roller brush device includes a roller brush for wiping dirt and a roller brush driving member for driving the roller brush to rotate, and the dirt suction device includes a dirt suction pipe for collecting dirt, a sewage tank connected to the dirt suction pipe, and a suction device acting on the dirt suction pipe.

[0025] The self-cleaning method includes: when the foam washing mode is started, controlling the roller brush drive to start and drive the roller brush to rotate at a foam washing speed, and controlling the suction device to operate at a state not exceeding a first power, and the first power is the operating power at which the cleaning liquid will not overflow the sewage tank.

[0026] When the self-cleaning mode is activated, the roller brush drive is controlled to start and drive the roller brush to rotate at a self-cleaning speed that does not exceed the washing speed, and the suction device is controlled to be turned off, or the suction device is controlled to start and operate at a second power that is not less than the first power.

[0027] In some embodiments, during the execution of the bubble-wash mode and the self-cleaning mode, the cleaning device is docked with a maintenance device having a cleaning tank containing cleaning liquid, wherein the liquid level in the cleaning tank in the bubble-wash mode is higher than the liquid level in the self-cleaning mode.

[0028] In some embodiments, the maintenance device includes a base station provided with a cleaning tank, and the cleaning device is docked with the base station during the execution of the soaking mode and the self-cleaning mode.

[0029] At least one of the cleaning device and the base station further includes a cleaning liquid output device, which can inject cleaning liquid into the cleaning tank so that the liquid level in the cleaning tank in the bubble washing mode is not lower than the liquid level in the self-cleaning mode.

[0030] In some embodiments, the maintenance device includes a base station and an external cleaning container. The base station is provided with a first cleaning tank for accommodating a roller brush and cleaning liquid, and the external cleaning container is provided with a second cleaning tank for accommodating the roller brush and cleaning liquid, and the depth of the second cleaning tank is not less than the depth of the first cleaning tank.

[0031] When the self-cleaning mode is activated, the cleaning device is docked with the base station so that the roller brush is placed in the first cleaning tank.

[0032] When the foam washing mode is activated, the cleaning device is docked with the external cleaning container so that the roller brush is placed in the second cleaning tank.

[0033] In some embodiments, at least one of the cleaning apparatus, the base station, and the external cleaning container further comprises a cleaning liquid output device.

[0034] When the self-cleaning mode is activated, the method further includes: controlling the cleaning liquid output device to inject cleaning liquid into the first cleaning tank and activating the roller brush driving member when a second preset condition is met.

[0035] When the foam washing mode is started, it also includes: controlling the cleaning liquid output device to inject cleaning liquid into the second cleaning tank until the cleaning liquid in the second cleaning tank reaches a preset position and starts the roller brush driving component.

[0036] In some embodiments, at least one of the base station and the external cleaning container is further provided with a drain outlet connected to the cleaning tank, and the drain outlet is used to discharge the cleaning liquid in the cleaning tank out of the cleaning tank.

[0037] According to a third aspect of an embodiment of the present disclosure, the present disclosure provides a cleaning device comprising a roller brush device, a dirt suction device, and a control device, wherein the control device is capable of implementing any of the aforementioned self-cleaning methods. The roller brush device comprises a roller brush for wiping dirt and a roller brush driver for driving the roller brush to rotate. The dirt suction device comprises a dirt suction pipe for collecting dirt, a sewage tank connected to the dirt suction pipe, and a suction device acting on the dirt suction pipe. The control device is capable of controlling the roller brush driver to drive the roller brush to rotate. The control device is also capable of controlling the suction device to generate negative pressure suction, so that dirt can enter the sewage tank through the dirt suction pipe.

[0038] In some embodiments, the cleaning device also includes a shell device for supporting the rotation of the roller brush, a scraper device for scraping off dirt absorbed by the roller brush, and a sewage suction port for connecting to a sewage suction pipe. The scraper device is movably connected to the shell device, and the sewage suction port and the roller brush drive component are respectively located in the shell device.

[0039] In some embodiments, the cleaning device also includes a host device connected to the shell device, the sewage tank and the control device are respectively located in the host device, and the cleaning device is also provided with a waterproof structure for protecting the control device. The host device is also provided with an operation button electrically connected to the control device, and the operation button is used to input control instructions for executing the self-cleaning method.

[0040] In some embodiments, the cleaning device can be docked with the maintenance device during the execution of the soaking mode and the self-cleaning mode. The maintenance device has a cleaning tank for containing cleaning liquid. At least one of the cleaning device and the maintenance device also includes a cleaning liquid output device, which can inject cleaning liquid into the cleaning tank.

[0041] The technical solutions provided by the embodiments of the present application include at least the following beneficial effects:

[0042] The self-cleaning method provided herein includes a soaking mode. In this mode, at least a portion of the roller brush can be immersed in a cleaning fluid, and the cleaning device can activate a roller brush drive to rotate the roller brush. As the roller brush rotates, the cleaning fluid can be drawn up by the roller brush, causing it to be drawn into the interior of the cleaning device, continuously flushing the scraper assembly, the suction port, and the suction pipe of the cleaning device, thereby achieving deep self-cleaning of the cleaning device and preventing dirt from being retained within the cleaning device.

[0043] In addition, during the process of the roller brush driving the roller brush to rotate, the suction device of the cleaning equipment can operate in a state not exceeding the first power. The first power is the operating power at which the suction device can suck the cleaning liquid into the sewage tank and the cleaning liquid will not overflow from the sewage tank. At this time, the suction device can slowly flow the cleaning liquid into the sewage tank along the sewage suction pipe, so that the cleaning liquid can self-clean the sewage tank. At the same time, when the cleaning liquid slowly enters the sewage tank, the cleaning liquid can continue to contact the outer wall of the sewage suction pipe to fully dissolve the dirt attached to the inner wall of the sewage suction pipe, and thus can also increase the cleaning force on the inner wall of the sewage suction pipe. Of course, when the user does not need to self-clean the sewage tank, the suction device can also be in a closed state, and this application does not impose any restrictions on this.

[0044] Thus, the self-cleaning method for cleaning equipment provided by this application can perform deep self-cleaning of the cleaning equipment through a soaking mode to prevent dirt from remaining inside the cleaning equipment, thereby improving the problems of bacterial growth, odor generation, and pipe blockage inside the cleaning equipment, thereby improving user satisfaction. In addition, the self-cleaning method for cleaning equipment provided by this application allows users to achieve deep self-cleaning of the interior of the cleaning equipment without having to disassemble or assemble the cleaning equipment, saving time and effort.

[0045] It is understandable that the cleaning equipment provided in this application is not limited to cleaning equipment such as floor scrubbers, fabric cleaning machines or carpet cleaning machines, and this application does not impose any restrictions. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which constitute a part of the present disclosure, are used to provide a further understanding of the present disclosure. The exemplary embodiments of the present disclosure and their descriptions are used to explain the present disclosure and do not constitute an improper limitation to the present disclosure.

[0047] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0048] Figure 1This is a schematic diagram of the structure of the cleaning equipment provided in this application.

[0049] Figure 2 for Figure 1 An enlarged view of point a of the cleaning equipment shown.

[0050] Figure 3 for Figure 2 A cross-sectional view along AA of the cleaning apparatus shown.

[0051] Figure 4 for Figure 2 The schematic diagram of the structure of the cleaning equipment shown is a diagram with part of the outer shell device removed.

[0052] Figure 5 This is a schematic diagram of the structure of the docking of the cleaning equipment and maintenance equipment provided in this application.

[0053] Figure 6 A schematic diagram of a self-cleaning method for a cleaning device according to an embodiment of the present application.

[0054] Figure 7 A schematic diagram of a self-cleaning method for a cleaning device provided in another embodiment of the present application.

[0055] Reference numerals:

[0056] 1-cleaning equipment; 10-roller brush device; 20-sewage suction device; 21-sewage tank; 22-sewage suction pipe; 30-housing device; 40-scraper device; 41-front scraper; 42-rear scraper; 50-sewage suction port; 60-main unit; 61-operation button; 70-cleaning liquid output device; 71-water pump; 72-cleaning liquid pump; 73-air pump; 74-clean water tank; 75-cleaning liquid tank; 76-first output component; 77-second output component; 2-maintenance equipment; 2a-cleaning tank. DETAILED DESCRIPTION

[0057] Here, the technical solutions in the embodiments (or "implementations") of the present disclosure will be clearly and completely described in conjunction with the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0058] If there are terms related to directional indications or positional relationships in the embodiments of the present disclosure (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, height, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationships, movement, etc. between the components under a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication or positional relationship will also change accordingly. In addition, the terms "first" and "second" in the embodiments of the present disclosure are only used for the purpose of convenience of description and should not be understood as indicating or implying relative importance.

[0059] With the advancement of technology and society, more and more households are turning to cleaning equipment such as fabric washers, carpet washers, and floor scrubbers to improve both efficiency and quality. With a wide variety of cleaning equipment brands available on the market, manufacturers are increasingly focused on winning consumer favor and enhancing product competitiveness.

[0060] Take a floor scrubber as an example. It is a common cleaning device that users can move on the ground with a handheld scrubber and use the scrubber's roller brush to clean the dirt on the ground. Typically, the scrubber's roller brush can rub against the ground through rotation, allowing the roller brush to both wipe away stains through friction and pick up dry and wet garbage and other dirt through rotation. The scrubber also has a suction device that can suck the dirt picked up by the roller brush into the sewage tank through the suction port and the suction pipe. At the same time, the suction device can also absorb the dirt on the ground not covered by the roller brush through negative pressure suction, thereby improving the cleaning power of the scrubber. In addition, in some related technologies, in order to prevent the roller brush from being entangled with hair or other dry garbage and other dirt during use, some scrubbers are also equipped with a scraper device. The scraper device can remove the dirt entangled on the roller brush through reciprocating movement. The removed dirt can also be sucked into the sewage tank, allowing the scrubber to continuously clean the dirt on the ground.

[0061] Understandably, there are varying degrees of dirt on the floor, ranging from easy-to-clean light dirt like dust, hair, or sweat stains, to more difficult-to-clean stubborn dirt like oil, scale, or mold. After using a floor scrubber to clean these dirt, the user needs to clean the scrubber to prevent dirt from remaining inside, which could cause odor or bacterial growth.

[0062] However, the self-cleaning function of conventional floor scrubbers often only cleans the roller brush surface, but not other parts of the machine that come into contact with dirt, such as the scraper, suction port, suction pipe, and sewage tank. This results in dirt remaining inside the scrubber and distributing it throughout the scraper, suction port, suction pipe, and sewage tank. Over time, this can not only clog the suction pipes within the scrubber, shortening its service life, but also lead to bacterial growth and odor, affecting user health and resulting in a poor user experience.

[0063] Based on this, the present application provides a self-cleaning method for a cleaning device, which can perform deep self-cleaning on the cleaning device to improve the problems of bacteria breeding, odor generation and pipe blockage inside the cleaning device, thereby improving user satisfaction.

[0064] To facilitate understanding of the control method of the cleaning equipment provided in the present application, the cleaning equipment provided in the present application will be described below with reference to the accompanying drawings.

[0065] See also Figures 1 to 3 The present application provides a cleaning device 1, including a roller brush device 10, a sewage suction device 20 and a control device. The roller brush device 10 includes a roller brush for wiping dirt and a roller brush driving member for driving the roller brush to rotate. The sewage suction device 20 includes a sewage suction pipe 22 for collecting dirt, a sewage tank 21 connected to the sewage suction pipe 22 and a suction device acting on the sewage suction pipe 22. The control device can control the roller brush driving member to drive the roller brush to rotate, and the control device can also control the suction device to generate negative pressure suction.

[0066] It should be noted that during the suction operation of the cleaning device 1, the control device can activate the roller brush drive to rotate the roller brush. The control device can also activate the suction device to generate negative pressure suction in the suction pipe 22. In this way, the roller brush can both remove stains through friction and pick up dry and wet garbage and other dirt through rotation. The suction pipe 22 can suck the dirt picked up by the roller brush into the sewage tank 21. At the same time, the negative pressure suction can also absorb dirt not covered by the roller brush, thereby improving the cleaning effect.

[0067] It is understood that the roller brush drive includes a motor and a transmission mechanism connected to the motor, which can transmit the torque output by the motor to the roller brush to drive the roller brush to rotate. It is understood that the transmission mechanism includes a gear mechanism and a connecting rod mechanism, etc., which is not limited in this application.

[0068] It is understood that the suction device includes a pump or a fan or other device capable of generating negative pressure suction, and this application does not limit this. The sewage tank 21 can be independently disassembled for easy cleaning by the user.

[0069] It is understandable that the control device (not shown in the figure) includes a controller, for example, an MCU (microcontroller unit), a PLC (programmable logic controller), a CPU (central processing unit), or a single-chip microcomputer, etc., which is not limited in this application.

[0070] See also Figures 1 to 3 In some embodiments, in order to improve the use effect of the cleaning device 1, the cleaning device 1 also includes a shell device 30 for supporting the rotation of the roller brush, a scraper device 40 for scraping off the dirt absorbed by the roller brush, and a sewage suction port 50 for connecting to the sewage suction pipe 22. The scraper device 40 is movably connected to the shell device 30 and is located between the roller brush and the sewage suction port 50. The sewage suction port 50 and the roller brush driving component are respectively located in the shell device 30.

[0071] It should be noted that the housing 30 is used to support the roller brush assembly, which is rotatably connected to the housing 30. A sewage suction port 50 is connected to the housing 30 and is located behind the roller brush. The sewage suction port 50 communicates with the sewage suction pipe 22 and is used to absorb dirt attached to the roller brush and the surface to be cleaned. The surface to be cleaned can include floors, kitchen countertops, quilts, clothing, sofas, etc.

[0072] See also Figure 2 The scraper assembly 40 includes a rear scraper 42 positioned between the roller brush and the sewage suction port 50, and a front scraper 41 positioned opposite the rear scraper 42 and located in front of the roller brush. It is understood that the front scraper 41 and the rear scraper 42 may be positioned separately or in combination, and this application does not impose any restrictions. During the rotation of the roller brush, the scraper assembly 40 can be tilted relative to the roller brush surface and at least partially conform to the roller brush surface to scrape off dirt entangled by the roller brush. The scraped dirt can be sucked into the sewage suction pipe 22 through the sewage suction port 50 and enter the sewage tank 21.

[0073] In some embodiments, the cleaning device 1 also includes a host device 60 connected to the shell device 30, the sewage tank 21 and the control device are respectively located in the host device 60, and the host device 60 is also provided with an operation button 61 electrically connected to the control device, and the operation button 61 is used to input control instructions for executing the self-cleaning method.

[0074] It should be noted that the host device 60 is connected to the shell device 30, which makes it convenient for the user to hold the host device 60 to drive the shell device 30 to move, and then drag the roller brush to clean the surface to be cleaned. A control device can be set in the host device 60, and an operation button 61 electrically connected to the control device is provided on the outside of the host device 60. The operation button 61 can facilitate the user to input control instructions. The control instructions include the cleaning device 1 performing various cleaning methods for cleaning the surface to be cleaned and the cleaning device 1 performing a self-cleaning method. For example, the user can start the cleaning method by pressing the operation button 61 once, and start the self-cleaning method by pressing the operation button 61 twice. This application does not limit this.

[0075] In some embodiments, the cleaning device 1 is further provided with a waterproof structure for protecting the control device and the roller brush drive. It should be noted that during self-cleaning, the cleaning device 1 needs to be immersed in a cleaning solution to remove dirt. In this case, to prevent damage to the electrical components within the cleaning device 1, the cleaning device 1 can be sealed and protected by a waterproof structure. By way of example, the waterproof structure includes a sealant structure or a sealed cavity structure, etc., which is not limited in this application.

[0076] See also Figure 1 、 Figure 4 and Figure 5 In some embodiments, to facilitate self-cleaning of the cleaning device 1, the cleaning device 1 can be docked with the maintenance device 2 during the self-cleaning process. The maintenance device 2 includes a cleaning tank 2a for accommodating a roller brush and cleaning fluid. At least one of the cleaning device 1 and the maintenance device 2 further includes a cleaning fluid delivery device 70 capable of injecting cleaning fluid into the cleaning tank 2a.

[0077] The maintenance device 2 may include at least one of a base station and an external cleaning container. It can be understood that the base station is provided with a first cleaning tank, and the external cleaning container is provided with a second cleaning tank.

[0078] It should be noted that during the self-cleaning process of the cleaning device 1, the cleaning device 1 includes a self-cleaning mode and a soaking mode. In the self-cleaning mode, the cleaning device 1 can be docked with the base station, allowing the roller brush of the cleaning device 1 to be placed in the first cleaning tank. Cleaning liquid is then injected into the first cleaning tank via the cleaning liquid output device 70 to soak the roller brush, thereby cleaning the roller brush. In the self-cleaning mode, the roller brush can be driven to rotate by the roller brush drive, so that the roller brush can rub against the cleaning liquid, thereby increasing the cleaning force.

[0079] In the bubble-wash mode, the cleaning device 1 can be docked with an external cleaning container, allowing the roller brush of the cleaning device 1 to be placed in the second cleaning tank. Cleaning liquid is then injected into the second cleaning tank via the cleaning liquid output device 70 to soak the roller brush, thereby cleaning the roller brush. Simultaneously, the roller brush can be driven to rotate by the roller brush drive during the bubble-wash process. This, on the one hand, allows the roller brush to rub against the cleaning liquid, thereby increasing the cleaning force. On the other hand, in the bubble-wash mode, the roller brush can also draw the cleaning liquid into the interior of the cleaning device 1 during rotation, allowing the cleaning liquid to also rinse other parts of the cleaning device 1, thereby preventing dirt from remaining in the cleaning device 1.

[0080] It is understandable that the bubble-washing mode of the cleaning device 1 can draw the cleaning liquid into the interior of the cleaning device 1 for self-cleaning, so that the bubble-washing mode of the cleaning device 1 requires more cleaning liquid than the self-cleaning mode. Therefore, the liquid level in the cleaning tank of the cleaning device 1 in the bubble-washing mode (equivalent to the height of the immersion portion) is not lower than the liquid level in the cleaning tank in the self-cleaning mode, that is, the liquid level in the second cleaning tank is not lower than the liquid level in the first cleaning tank, so as to meet the deep self-cleaning requirements of the bubble-washing mode.

[0081] It can be understood that when the cleaning device 1 is used in the user's home environment, the external cleaning container includes a sink, bucket or pool in the home, the faucet connected to the sink can be used as a cleaning liquid output device 70, and the sewer drain outlet of the sink can be used as a sewage outlet of the external cleaning container, so as to facilitate the discharge of the used cleaning liquid from the external cleaning container.

[0082] At the same time, during the self-cleaning process of the cleaning device 1, the suction device can be in a closed state to prevent the cleaning liquid from being completely sucked into the sewage tank 21 and failing to clean the roller brush. Of course, the suction device can also be in an open state, and the suction device can be started intermittently or at a first power, so that part of the cleaning liquid in the cleaning tank 2a can be sucked into the sewage tank 21 to prevent the cleaning liquid from overflowing the cleaning tank 2a or the external cleaning container. In addition, when the cleaning liquid is sucked into the sewage tank 21 by the suction device, the cleaning liquid can flow through the sewage suction pipe 22 into the sewage tank 21, so that the cleaning liquid can also clean the sewage suction pipe 22 and the sewage tank 21 to prevent dirt from remaining in the sewage suction pipe 22 or the sewage tank 21.

[0083] For example, the cleaning device 1 is in the self-cleaning process. When the user holds the main device and briefly presses (e.g., for less than 2 seconds) the operation button 61 on the main device, the cleaning device 1 enters the self-cleaning mode. The cleaning device 1 prompts the user to place the roller brush device 10 in the cleaning tank 2a of the base station. After the user completes the placement, the cleaning device 1 activates the self-cleaning mode.

[0084] When the user holds the main device and long presses (e.g., for more than 2 seconds) the operation button 61 on the main device, the cleaning device 1 can enter the bubble washing mode. The cleaning device 1 prompts the user to place the roller brush device 10 in an external cleaning container such as a bucket, basin, or sink. After the user completes the placement, the cleaning device 1 starts the bubble washing mode.

[0085] It is understandable that the activation of the self-cleaning mode and the soaking mode of the cleaning device 1 can also be reminded to the user through voice prompts of the cleaning device 1, and this application does not impose any restrictions.

[0086] In addition, it can be understood that the rotation speed of the roller brush in the foam washing mode is greater than the rotation speed in the self-cleaning mode, so that the roller brush can draw the cleaning liquid into the interior of the cleaning device 1 in the foam washing mode for deep self-cleaning.

[0087] In addition, it is understood that when the first cleaning tank of the base station is large enough so that the capacity of the cleaning liquid meets the requirements of the foam washing mode, the roller brush of the cleaning device 1 can also perform the foam washing mode in the first cleaning tank of the base station, and this application does not impose any restrictions. It is understood that the base station can also be provided with a sewage outlet connected to the first cleaning tank, through which the used cleaning liquid can be discharged from the first cleaning tank.

[0088] It is understandable that the self-cleaning operation of the cleaning device 1 can also be started by the user through a mobile phone, computer or other device, and this application does not impose any restrictions on this.

[0089] As can be understood, when the roller brush device 10 is placed in the first cleaning tank of the base station, the host device 60 can operate in conjunction with the base station. Specifically, the base station can communicate with the host device 60 and operate according to the host device 60's operating instructions, such as self-cleaning and drying the roller brush device 10, spraying the sewage tank 21, and automatically draining the clean water tank 74 of the cleaning liquid output device 70. Furthermore, when the base station and the host device 60 are docked, the base station can also connect to an external charging device to provide power to the host device 60, thereby serving as a charging device for the host device 60.

[0090] It is understandable that the host device 60 can also drive the floor brush device to be separated from the base station. When the host device 60 is separated from the base station, the user can hold the host device 60 to drive the floor brush device to perform cleaning operations on the surface to be cleaned. The surface to be cleaned includes the floor, kitchen countertops, carpets or fabrics, etc. The cleaning operation of the cleaning device 1 on the surface to be cleaned includes executing a suction mode on the floor, such as vacuuming and mopping the floor. As an example, when the cleaning device 1 executes the suction mode, the host device 60 is separated from the base station, and the suction device can be started to use the negative pressure suction force generated by the suction device to suck the liquid dirt and / or solid dirt on the surface to be cleaned into the suction pipe 22 and recycle it into the sewage tank 21.

[0091] It is understandable that the cleaning liquid output device 70 can be used to output at least one cleaning liquid medium, such as clean water, cleaning liquid, and gas. For example, the cleaning liquid output device 70 can output clean water, cleaning liquid, gas, a mixture of clean water and cleaning liquid, bubbling water mixed with clean water and gas, foam mixed with cleaning liquid and gas, etc. In this way, the cleaning device 1 can provide a variety of cleaning media for cleaning different levels of dirt. For example, clean water can be used to clean dust or clean the roller brush, cleaning liquid can be used to clean stubborn dirt or oil, etc., and gas can be used to blow away dust, dry water marks, or dry the roller brush.

[0092] In addition, the cleaning liquid output device 70 can not only inject cleaning liquid into the cleaning tank 2a, but also output cleaning liquid directly to the roller brush, or directly spray cleaning liquid onto the dirt on the surface to be cleaned to dissolve the dirt.

[0093] See also Figure 4 As an example, the cleaning liquid output device 70 includes a pump body assembly, an output assembly, and a connecting assembly connected between the pump body assembly and the output assembly. Among them, the pump body assembly includes a water pump 71, a cleaning liquid pump 72, and an air pump 73. The output assembly includes a first output assembly 76 that directly outputs cleaning liquid to the surface to be cleaned and a second output assembly 77 that outputs cleaning liquid to the roller brush. The connecting assembly includes a reversing valve and a connecting pipe. The inlet of the reversing valve is connected to the water pump 71, the cleaning liquid pump 72, and the air pump 73 through a pipeline, and the outlet of the reversing valve is connected to the first output assembly 76 and the second output assembly 77.

[0094] With this arrangement, the first output component 76 and the second output component 77 can respectively output the same or different cleaning media, and the first output component 76 and the second output component 77 can be used in combination at the same time or separately, thereby further enriching the functionality of the cleaning device 1. For example, when the cleaning device 1 controls the first output component 76 to output the cleaning medium, the first output component 76 can be used to directly spray the dirt on the cleaning surface, outputting the cleaning medium at a fixed point and / or in a fixed quantity, enabling the user to perform spot spray cleaning on local dirt or stubborn dirt on the cleaning surface, thus providing the cleaning device 1 with a spot spray mode. When the cleaning device 1 controls the second output component 77 to output the cleaning medium, the second output component 77 can be used to output the cleaning medium to the roller brush to wet the roller brush, thus allowing the user to use the roller brush for daily general cleaning of large areas of dirt on the cleaning surface, thus providing the cleaning device 1 with a general mode.

[0095] As will be understood, the first output assembly 76 includes a nozzle. In spot spray mode, the nozzle's spray range and spray intensity can be adjusted based on user needs, but this is not specified in this application. The second output assembly 77 includes a spray plate, which is arranged along the length of the roller brush and has multiple nozzles or strip nozzles to ensure uniform contact between the output cleaning medium and the roller brush.

[0096] See also Figure 3 In some embodiments, in order to enrich the foam output by the output component, the cleaning device 1 further includes a foam generator, which is connected between the connecting component and the first output component 76 .

[0097] As will be understood, the water pump 71 is electrically connected to the control device. The clean water delivered by the water pump 71 can be used to clean easily cleaned, light dirt such as dust and sweat stains. The clean water can also be used to self-clean the roller brush of the cleaning device 1. The clean water can be uncontaminated natural water sources such as groundwater or tap water, or domestic water. The cleaning liquid pump 72 is electrically connected to the control device. The cleaning liquid delivered by the cleaning liquid pump 72 can be used to clean stubborn dirt such as oil stains, mold, or scale. Cleaning liquids include various cleaning liquids such as oil cleaning liquid, floor cleaning liquid, fabric cleaning liquid, carpet cleaning liquid, glass cleaning liquid, disinfecting cleaning liquid, or mildew removal cleaning liquid, and the present application does not limit this. The air pump 73 is electrically connected to the control device. The gas delivered by the air pump 73 can be air or a harmless gas such as nitrogen, and the present application does not limit this. The gas can also be used to blow away crystals that accumulate on the output component after the liquid cleaning medium dries, to prevent the output component from clogging. The gas can also be used to dry water marks after cleaning or to dry the roller brush of the cleaning device 1.

[0098] In addition, in other embodiments, the output components of the cleaning device 1 can also be provided with only 1, 3, 4 or 5, or any number required by the user, and this application does not impose any limitation.

[0099] It can be understood that the cleaning equipment 1 provided in this application is not limited to a floor scrubber, but may also include a sweeping robot, a vacuum cleaner, a carpet cleaning machine or a fabric cleaning machine, etc., and this application does not impose any restrictions.

[0100] In addition to the above-mentioned cleaning device 1, the present application also provides a self-cleaning method for the cleaning device 1. The self-cleaning method for the cleaning device 1 provided in the present application will be described below.

[0101] See also Figure 6 , the self-cleaning method provided in this application includes:

[0102] When the bubble washing mode is activated, the bubble washing mode indicates that the roller brush is immersed in the cleaning liquid. The bubble washing mode provided in this application includes the following steps:

[0103] Step 1: Control the roller brush drive to start and drive the roller brush to rotate.

[0104] Step 2: Control the suction device to operate at a power not exceeding a first power, where the first power is an operating power at which the suction device can suck the cleaning liquid into the sewage tank without the cleaning liquid overflowing the sewage tank.

[0105] It should be noted that the self-cleaning method provided in the present application includes a foaming mode, and the cleaning liquid includes clean water and / or cleaning liquid. In the foaming mode, the roller brush of the cleaning device 1 can be placed in an external cleaning container such as a bucket, a basin or a sink, and the external cleaning container can be injected with cleaning liquid such as clean water and / or cleaning liquid, so that at least part of the roller brush can be immersed in the cleaning liquid. At this time, the foaming mode can control the cleaning device to start the roller brush drive part, thereby driving the roller brush to rotate. During the rotation of the roller brush, the cleaning liquid can be driven by the roller brush to be rolled up, so that the cleaning liquid can be drawn into the interior of the cleaning device 1, so as to continuously flush the scraper device 40, the sewage suction port 50 and the inner wall of the sewage suction pipe 22 of the cleaning device, thereby performing deep self-cleaning on the cleaning device 1 to prevent dirt from being retained in the interior of the cleaning device 1.

[0106] In addition, during the process of the roller brush driving member driving the roller brush to rotate, the suction device of the cleaning equipment can operate in a state not exceeding the first power. The first power is the operating power at which the suction device can suck the cleaning liquid into the sewage tank and the cleaning liquid will not overflow from the sewage tank. For example, the bubble washing mode can control the suction device of the cleaning equipment to be in the starting state, and the suction device can operate at the first power to slowly flow the cleaning liquid into the sewage tank 21 along the sewage suction pipe 22, so that the cleaning liquid can clean the sewage tank 21. At the same time, when the cleaning liquid slowly enters the sewage tank 21, the cleaning liquid can continue to contact the outer wall of the sewage suction pipe 22 to fully dissolve the dirt attached to the inner wall of the sewage suction pipe 22, and thus can also increase the cleaning force on the inner wall of the sewage suction pipe 22. It can be understood that when the suction device is in the starting state, the operating power of the suction device is greater than zero and does not exceed the first power to prevent the cleaning liquid from overflowing from the sewage tank.

[0107] Of course, when the user does not need to self-clean the sewage tank, the foam washing mode can also control the suction device of the cleaning equipment to be in the off state. At this time, the cleaning liquid drawn into the roller brush can only enter the sewage suction pipe 22 and cannot enter the sewage tank 21 along the sewage suction pipe 22. This setting can prevent the cleaning liquid from being completely sucked into the sewage tank 21 after the suction device is started. On the one hand, it causes the cleaning liquid to exceed the capacity of the sewage tank 21 and overflow, and on the other hand, it causes the roller brush to be unable to use the cleaning liquid for self-cleaning. It can be understood that whether to start the suction device in the foam washing mode can be selected by the user according to actual needs, and this application does not impose any restrictions.

[0108] Thus, the self-cleaning method of the cleaning device 1 provided in this application can perform deep self-cleaning of the cleaning device 1 through the soaking mode to prevent dirt from remaining inside the cleaning device 1, thereby improving the problems of bacterial growth, odor generation, and pipe blockage inside the cleaning device 1, thereby improving user satisfaction. In addition, through the self-cleaning method of the cleaning device 1 provided in this application, the user can achieve deep self-cleaning of the interior of the cleaning device 1 without disassembling the cleaning device 1, saving time and effort.

[0109] In some embodiments, the soaking mode indicates that the roller brush is immersed in the cleaning fluid, including: the height of the immersed portion of the roller brush in the cleaning fluid is no less than one-quarter of the height of the roller brush. This configuration ensures that sufficient cleaning fluid is drawn into the interior of the cleaning device 1 during the rotation of the roller brush, thereby providing a deep self-cleaning of the scraper assembly 40, the suction port 50, the suction pipe 22, and other locations. Furthermore, if the volume of cleaning fluid is low, the rotation of the roller brush will spray the cleaning fluid everywhere, preventing it from forming an effective vortex and being drawn into the interior of the cleaning device 1.

[0110] As an example, when the cleaning device 1 is in the process of foam washing, the main body can be kept in an upright position (such as Figure 1 As shown), the roller brush device 10 together with the outer shell device 30 can be completely immersed in the cleaning liquid. The user holds the main device and presses the operation button 61 provided on the main device to enable the cleaning device 1 to enter the foam washing mode. It can be understood that the main device remains in an upright state to prevent the electrical components of the control device from entering water. In addition, the cleaning device 1 is provided with a waterproof structure for the control device and the part immersed in the cleaning liquid to protect the electrical components. Among them, the waterproof structure can be a waterproof adhesive layer or a sealed cavity structure, etc., which is not limited in this application.

[0111] In some embodiments, step 1 further includes step 11:

[0112] Controlling the roller brush driving member to start includes: controlling the roller brush driving member to drive the roller brush to rotate forward, reverse, or alternately forward and reverse at a first speed, so that the roller brush performs self-cleaning.

[0113] It should be noted that when the roller brush rotates at the first speed, the slow speed of the roller brush results in a smaller amount of cleaning fluid being rolled up, which is insufficient for deep self-cleaning of the interior of the cleaning device 1. At this time, the rotation of the roller brush at the first speed primarily serves to increase the rotational friction between the roller brush and the cleaning fluid, thereby enhancing the cleaning power of the roller brush itself. It is understood that forward rotation can refer to clockwise rotation of the roller brush, and reverse rotation can refer to counterclockwise rotation of the roller brush, and this application does not impose any limitations. When the roller brush can alternately rotate forward and reverse, the roller brush and the cleaning fluid can repeatedly rub against each other, thereby further enhancing the cleaning power of the roller brush.

[0114] In some embodiments, step 1 further includes step 12:

[0115] Controlling the roller brush drive to start also includes: controlling the roller brush drive to drive the roller brush to rotate forward, reverse, or alternately forward and reverse at a second speed greater than the first speed, so that the cleaning liquid rolled up by the roller brush can also self-clean at least one of the scraper device and the sewage suction port.

[0116] It should be noted that when the roller brush rotates at a second speed greater than the first speed, the roller brush not only increases the rotational friction between the roller brush and the cleaning liquid, but also rolls up some of the cleaning liquid and generates ripples, so that the cleaning liquid can repeatedly rinse the portion of the cleaning device 1 immersed in the cleaning liquid. The portion of the cleaning device 1 immersed in the cleaning liquid includes the scraper device 40 and the sewage suction port 50, so that the scraper device 40 and the sewage suction port 50 are self-cleaned.

[0117] It is understood that the scraper assembly 40 includes a rear scraper 42 disposed between the roller brush and the dirt suction port 50, and / or the scraper assembly 40 includes a front scraper 41 disposed in front of the roller brush. The front scraper 41 and the rear scraper 42 are disposed on the front and rear sides of the roller brush, respectively, and can perform a double scraping to remove dirt entangled on the roller brush, thereby improving the cleaning power of the roller brush.

[0118] For example, when the roller brush rotates forward, the cleaning fluid can sequentially rinse the front scraper 41 and the rear scraper 42. When the roller brush rotates reversely, the cleaning fluid can sequentially rinse the rear scraper 42 and the front scraper 41. As can be understood, the resistance of the cleaning fluid increases continuously during its flow. When the roller brush device 10 rotates alternately forward and reverse, the cleaning fluid can effectively rub and rinse the front scraper 41 and the rear scraper 42, thereby increasing the cleaning efficiency of the front scraper 41 and the rear scraper 42.

[0119] During the rotation of the roller brush, no matter the roller brush rotates forward or reversely, the cleaning liquid rolled up by the roller brush can flush the sewage suction port 50 to clean the dirt at the sewage suction port 50 .

[0120] In some embodiments, step 1 further includes step 13:

[0121] Controlling the roller brush drive to start also includes: controlling the roller brush drive to drive the roller brush to rotate forward, reverse, or alternately forward and reverse at a third speed greater than the second speed, so that the cleaning liquid rolled up by the roller brush can enter the sewage suction pipe 22 to self-clean the sewage suction pipe.

[0122] It should be noted that when the roller brush rotates at a third speed greater than the second speed, the roller brush rotates faster, so that the cleaning liquid rolled up by the roller brush can enter the sewage suction pipe 22 through the sewage suction port 50 to achieve self-cleaning of the sewage suction pipe 22.

[0123] As can be understood, as the roller brush rotates, the cleaning liquid is continuously drawn into the sewage suction pipe 22. The cleaning liquid can flow from bottom to top along the sewage suction pipe 22 to fully dissolve and flush the dirt attached to the inner wall of the sewage suction pipe 22. When the gravity of the cleaning liquid accumulated in the sewage suction pipe 22 exceeds the external force of the cleaning liquid being drawn into the sewage suction pipe 22, the cleaning liquid in the sewage suction pipe 22 can flow back under the action of gravity, thereby allowing the cleaning liquid to be reciprocated in the sewage suction pipe 22, reciprocatingly flushing the inner wall of the sewage suction pipe 22, thereby improving the cleaning effect of the sewage suction pipe 22.

[0124] Of course, assuming that the roller brush rotates forward, it can draw the cleaning liquid into the sewage suction pipe 22, and the roller brush rotates backward to discharge the cleaning liquid in the sewage suction pipe 22. When the roller brush rotates forward and backward alternately, the cleaning liquid can also be reciprocated in the sewage suction pipe 22, thereby reciprocatingly flushing the inner wall of the sewage suction pipe 22, thereby achieving self-cleaning of the sewage suction pipe 22.

[0125] It is understandable that the order of step 11, step 12 and step 13 can be adjusted according to the user's usage requirements, and this application does not impose any restrictions on this.

[0126] In some embodiments, step 2 further includes: when both the roller brush driving member and the suction device are started, controlling the suction device to start further includes: controlling the suction device to run until it is shut down when a first preset condition is met.

[0127] It should be noted that controlling the suction device to operate at the first power and shut down when the first preset condition is met includes at least one of the following:

[0128] The suction device is controlled to run until the preset time is reached and then shut down.

[0129] The suction device is controlled to operate until the cleaning liquid in the sewage tank 21 reaches a preset height and then shut down.

[0130] With this arrangement, when the suction device sucks the cleaning liquid into the sewage tank 21, by controlling the operating time of the suction device and / or controlling the height of the cleaning liquid sucked into the sewage tank 21 by the suction device, it is possible to prevent the cleaning liquid from overflowing the sewage tank 21, causing water to enter the equipment, or to prevent the cleaning liquid from overflowing onto the ground and causing large areas of dirt.

[0131] It is understandable that the liquid level in the sewage tank 21 can be warned by a liquid level gauge, and this application does not impose any limitation on this.

[0132] In some embodiments, the sewage tank 21 may be provided with a drain hole and a drain cover for sealing the drain hole, allowing the user to open the drain cover and connect an external drain pipe to the drain hole. In this case, the cleaning fluid drawn into the sewage tank 21 by the suction device can flow out of the sewage tank 21 through the drain hole, preventing the cleaning fluid from overflowing the sewage tank 21. In other embodiments, a one-way valve may be provided in the drain hole to restrict the flow of the cleaning fluid in the sewage tank 21 and prevent it from overflowing the sewage tank 21. This application does not elaborate on this aspect.

[0133] In some embodiments, when the cleaning device 1 is cleaning dirt, the suction device can operate at a suction power, so that dirt on the surface to be cleaned and dirt scraped off by the roller brush can be quickly sucked into the sewage tank 21. The first power of the suction device operating in the bubble-washing mode is P1, and the suction power of the suction device is P2. The first power P1 satisfies 0.7P2 ≥ P1 ≥ 0.1P2.

[0134] As an example, in the bubble washing mode, when the suction device is started, the suction device can operate at 20% of the sewage suction power P2 as the first power P1 , so that the cleaning liquid can be slowly sucked into the sewage tank 21 .

[0135] Of course, in other embodiments, the suction device can also operate at 10% of the sewage suction power P1 as the first power P1, or operate at 70% of the sewage suction power P2 as the first power P1, or operate at more than 10% of the sewage suction power P2 but not more than 70% of the sewage suction power P2 as the first power P1. This application does not impose any restrictions.

[0136] In this way, when the user activates the foam mode of the cleaning device 1, the user holds the main device and immerses the roller brush device 10 in the water tank. When the cleaning liquid in the water tank covers the top of the roller brush, the cleaning device 1 begins to execute the foam washing mode. The roller brush rotates at the foam washing speed driven by the roller brush driving member. The foam washing speed includes a first speed, a second speed, and a third speed. The user can select the rotation speed of the roller brush according to needs, and this application does not impose any restrictions. When the suction device is turned off, when the user selects the roller brush to rotate at the first speed, the cleaning liquid can rinse away dirt attached to the roller brush. When the user selects the roller brush to rotate at the second speed, the roller brush can drive the cleaning liquid to rotate, so that the cleaning liquid can also rinse at least one of the suction port 50 and the scraper device 40. When the user selects the roller brush to rotate at the third speed, the roller brush can draw the cleaning liquid into the sewage suction pipe 22, thereby also enabling the sewage suction pipe 22 to self-clean. When the suction device operates at the first power, the negative pressure suction force generated by the suction device can suck the cleaning liquid into the sewage tank 21, thereby also self-cleaning the sewage tank 21. In this way, the self-cleaning method of the cleaning device 1 provided in the present application can perform deep self-cleaning of the cleaning device 1, including self-cleaning of each part of the cleaning device 1 that can contact dirt, such as the roller brush, the sewage suction port 50, the scraper device 40, the sewage suction pipe 22, and the sewage tank 21, thereby preventing dirt from remaining inside the cleaning device 1.

[0137] The following describes a specific foaming mode as an example. For example, when a user activates the foaming mode of cleaning device 1, cleaning device 1 first controls the roller brush driver to activate and drive the roller brush forward and reverse at a voltage of 10V to perform a preliminary cleaning of the roller brush, suction port 50, and scraper assembly 40. The cleaning device 1 then controls the roller brush driver to drive the roller brush forward and reverse at a voltage of 18V for at least 15 cycles, drawing cleaning fluid into the suction pipe 22 through the roller brush, thereby repeatedly flushing the suction pipe 22.

[0138] Of course, in the self-cleaning method provided in the present application, the cleaning equipment 1 can also perform self-cleaning of the roller brush, the scraper device 40 and / or the sewage suction port 50, the sewage suction pipe 22, and the sewage tank 21 independently, and the present application does not impose any restrictions.

[0139] In addition to the self-cleaning method of the cleaning device 1 described above, the present application also provides another self-cleaning method of the cleaning device 1. The self-cleaning method of the cleaning device 1 provided by the present application will be described below.

[0140] See also Figure 7 , the self-cleaning method provided in this application includes:

[0141] When the foam washing mode is started, the roller brush drive is controlled to start and drive the roller brush to rotate at a foam washing speed, and the suction device is controlled to operate at a state not exceeding the first power. The first power is the operating power at which the suction device can suck the cleaning liquid into the sewage tank and the cleaning liquid will not overflow from the sewage tank.

[0142] When the self-cleaning mode is activated, the roller brush drive is controlled to start and drive the roller brush to rotate at a self-cleaning speed that does not exceed the washing speed, and the suction device is controlled to be turned off, or the suction device is controlled to start and operate at a second power that is not less than the first power.

[0143] It should be noted that during the self-cleaning process of the cleaning device 1, the cleaning device 1 includes a self-cleaning mode and a bubble-washing mode. For example, if the user requires the cleaning device 1 to self-clean, if the user holds the main device and briefly presses the operation button 61 on the main device (e.g., for less than 2 seconds), the cleaning device 1 can enter the self-cleaning mode. If the user holds the main device and long-presses the operation button 61 on the main device (e.g., for more than 2 seconds), the cleaning device 1 can enter the bubble-washing mode.

[0144] It is understandable that the activation of the self-cleaning mode and the soaking mode of the cleaning device 1 can also be reminded to the user through voice prompts of the cleaning device 1, and this application does not impose any restrictions.

[0145] Understandably, in self-cleaning mode, the roller brush does not need to draw cleaning fluid into the interior of the cleaning device 1 for deep self-cleaning. Instead, it only needs to clean the surface of the cleaning device 1, for example, self-cleaning at least one of the roller brush, the dirt suction port 50, and the scraper assembly 40. Therefore, the rotational speed of the roller brush in the bubble-washing mode is no less than that in the self-cleaning mode, so that the roller brush can draw cleaning fluid into the interior of the cleaning device 1 for deep self-cleaning in the bubble-washing mode. For example, the roller brush driver drives the roller brush at a voltage of 10V in the bubble-washing mode, while it drives the roller brush at a voltage of 6V in the self-cleaning mode.

[0146] At the same time, when the suction device is activated, the operating power of the suction device in the foam washing mode does not exceed the operating power in the self-cleaning mode. This is because the capacity of the sewage tank 21 of the cleaning device 1 is fixed, and the roller brush does not need deep self-cleaning in the self-cleaning mode, so the cleaning liquid required in the self-cleaning mode can not exceed the capacity of the sewage tank 21. However, the roller brush needs to perform deep self-cleaning in the foam washing mode, so the cleaning liquid required in the foam washing mode exceeds the capacity of the sewage tank 21. In order to prevent the cleaning liquid from overflowing the sewage tank 21, the suction device can be operated at a power not exceeding the first power in the foam washing mode, while the suction device can be operated at a second power not less than the first power in the self-cleaning mode, so that the cleaning liquid is quickly sucked into the sewage tank 21 without overflowing the sewage tank 21.

[0147] It is understandable that, under normal circumstances, when the cleaning device 1 is in the bubble-wash mode and the self-cleaning mode, the cleaning device is docked with a maintenance device. The maintenance device has a cleaning tank containing cleaning liquid. The roller brush of the cleaning device 1 is placed in the cleaning tank to perform self-cleaning on the cleaning device 1. The liquid level in the cleaning tank in the bubble-wash mode is not lower than the liquid level in the self-cleaning mode, so as to meet the deep self-cleaning requirements of the interior of the cleaning device 1 in the bubble-wash mode.

[0148] It is understood that the maintenance device includes at least one of a base station and an external cleaning container. The base station is provided with a first cleaning tank for accommodating a roller brush and cleaning liquid, and the external cleaning container is provided with a second cleaning tank for accommodating a roller brush and cleaning liquid, and the depth of the second cleaning tank is not less than the depth of the first cleaning tank.

[0149] Typically, when the self-cleaning mode is activated, the cleaning device is docked with the base station so that the roller brush is placed in the first cleaning tank. When the foam washing mode is activated, the cleaning device is docked with the external cleaning container so that the roller brush is placed in the second cleaning tank.

[0150] It is understandable that when the first cleaning tank of the base station is large enough so that the capacity of the cleaning liquid meets the requirements of the foam washing mode, the roller brush of the cleaning device 1 can also perform the foam washing mode in the first cleaning tank of the base station, and this application does not impose any restrictions.

[0151] In some embodiments, at least one of the cleaning device, the base station, and the external cleaning container further comprises a cleaning liquid output device, which can inject cleaning liquid into the cleaning tank.

[0152] For example, when the self-cleaning mode is activated, the method further includes: controlling the cleaning liquid output device to inject cleaning liquid into the first cleaning tank until a second preset condition is met, and then activating the roller brush driving member.

[0153] When the foam washing mode is started, it also includes: controlling the cleaning liquid output device to inject cleaning liquid into the second cleaning tank until the cleaning liquid in the second cleaning tank reaches a preset position and starts the roller brush driving component.

[0154] As an example, when the cleaning device 1 enters the self-cleaning mode, the cleaning device 1 can prompt the user to place the roller brush device 10 in the first cleaning tank of the base station. After the user completes the placement, the cleaning device 1 starts the self-cleaning mode. At this time, the cleaning liquid output device injects cleaning liquid into the first cleaning tank of the base station. When the output of the cleaning liquid reaches a preset value or the height of the cleaning liquid in the first cleaning tank reaches a preset value, the cleaning liquid stops outputting, and the roller brush drive can drive the roller brush to rotate for self-cleaning. When the cleaning device 1 enters the foam washing mode, the cleaning device 1 can prompt the user to place the roller brush device 10 in the second cleaning tank of an external cleaning container such as a bucket, basin or sink. After the user completes the placement, the cleaning device 1 starts the foam washing mode.

[0155] It can be understood that this application does not limit the order of the self-cleaning mode and the soaking mode of the cleaning device 1. The user can choose the self-cleaning mode or the soaking mode according to the usage requirements. The user can also choose to execute the soaking mode first and then the self-cleaning mode, or execute the self-cleaning mode first and then the soaking mode.

[0156] In some embodiments, to improve the cleaning effect, the cleaning device 1 further includes a heating component. In response to starting the self-cleaning mode, the device further includes: controlling the heating component to heat the cleaning liquid.

[0157] It is understandable that the cleaning liquid can be heated by the heating component, and the heated cleaning liquid can be used to accelerate the dissolution of dirt, which helps to improve the self-cleaning effect of the cleaning device 1. It is understandable that the heating component includes a PTC heater, a DPS heating device or a heating wire, etc., and this application does not limit it. The heating component can be set in the cleaning tank 2a to directly heat the cleaning liquid in the cleaning tank 2a. The heating component can also be set in the host device 60, so that the cleaning liquid output by the cleaning liquid output device 70 is heated before entering the cleaning tank 2a. This application does not limit the setting position of the heating component.

[0158] The following will be explained using a specific self-cleaning mode as an example. When the user starts the self-cleaning mode, when the user places the roller brush device 10 in the first cleaning tank of the base station, the cleaning device 1 starts the self-cleaning mode. The cleaning device 1 controls the cleaning liquid output device 70 to inject cleaning liquid into the first cleaning tank, so that a certain amount of liquid is accumulated in the first cleaning tank. At this time, the roller brush drive is controlled to repeatedly rotate forward and reverse at a self-cleaning speed that does not exceed the soaking speed, so that the roller brush rubs against the cleaning liquid, thereby self-cleaning the roller brush. After the self-cleaning of the roller brush is completed, the suction device is controlled to operate at the second power to suck the remaining liquid in the first cleaning tank into the sewage tank 21 to complete the entire self-cleaning mode.

[0159] In some embodiments, after the cleaning liquid in the first cleaning tank is completely sucked into the sewage tank 21 , the cleaning device 1 can also control the air pump 73 to start so as to dry the roller brush.

[0160] It can be understood that the "electrical connection" mentioned in this application can be understood as a wired signal connection or a wireless signal connection. The wired signal connection includes a wire connection, an optical fiber connection or a power line communication, etc. The wireless signal connection includes a radio frequency signal, a satellite communication, an infrared communication, a Bluetooth communication, a short-range wireless communication technology, etc. This application does not impose any restrictions.

[0161] The technical solutions or technical features described in the above embodiments may be combined or supplemented with each other without conflict. The scope of protection of this disclosure is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this disclosure shall be included in the scope of protection of this disclosure.

Claims

1. A self-cleaning method for a cleaning device, characterized in that: The cleaning device includes a roller brush device and a dirt suction device, wherein the roller brush device includes a roller brush for wiping dirt and a roller brush driving member for driving the roller brush to rotate, and the dirt suction device includes a dirt suction pipe for collecting dirt, a sewage tank connected to the dirt suction pipe, and a suction device acting on the dirt suction pipe; The self-cleaning method comprises: When the foam washing mode is started, the roller brush driving member is controlled to start and drive the roller brush to rotate, and the suction device is controlled to operate at a power not exceeding a first power, where the first power is the operating power at which the suction device can suck the cleaning liquid into the sewage tank without the cleaning liquid overflowing from the sewage tank; wherein, the foam washing mode indicates that the roller brush is immersed in the cleaning liquid.

2. The self-cleaning method according to claim 1, characterized in that In the foam washing mode, the height of the immersed portion of the roller brush immersed in the cleaning liquid is not less than one quarter of the height of the roller brush.

3. The self-cleaning method according to claim 1, characterized in that The cleaning device further comprises a shell device, which is used to carry the roller brush device; in the foam washing mode, the shell device and the roller brush device are completely immersed in the cleaning liquid.

4. The self-cleaning method according to claim 1, characterized in that The controlling the suction device to operate at a power not exceeding the first power comprises: Controlling the suction device to be in a closed state; Alternatively, the suction device is controlled to be in a startup state so that the operating power of the suction device is greater than zero and does not exceed the first power.

5. The self-cleaning method according to claim 1, characterized in that: The controlling the suction device to be in the startup state further includes: controlling the suction device to run until a first preset condition is met and then shut down.

6. The self-cleaning method according to claim 5, characterized in that: The controlling the suction device to shut down when the first preset condition is met includes at least one of the following: Controlling the suction device to run until a preset time is reached and then shut down; The suction device is controlled to operate until the cleaning liquid in the sewage tank reaches a preset height and then shut down.

7. The self-cleaning method according to any one of claims 1 to 6, characterized in that: The controlling the roller brush driving member to start includes: controlling the roller brush driving member to drive the roller brush to rotate forward, reverse, or alternately forward and reverse at a first speed, so that the roller brush performs self-cleaning.

8. The self-cleaning method according to claim 7, characterized in that: The cleaning device further comprises a housing device for supporting the rotation of the roller brush, a scraper device for scraping off dirt absorbed by the roller brush, and a sewage suction port for communicating with the sewage suction pipe; The controlling of starting the roller brush driving component also includes: controlling the roller brush driving component to drive the roller brush to rotate forward, reverse, or alternately forward and reverse at a second speed greater than the first speed, so that the cleaning liquid rolled up by the roller brush can also self-clean at least one of the scraper device and the sewage suction port.

9. The self-cleaning method according to claim 8, characterized in that: The controlling of the roller brush driving component to start also includes: controlling the roller brush driving component to drive the roller brush to rotate forward, reverse, or alternately forward and reverse at a third speed greater than the second speed, so that the cleaning liquid rolled up by the roller brush can enter the sewage suction pipe to self-clean the sewage suction pipe.

10. The self-cleaning method according to claim 1, characterized in that: The self-cleaning method further comprises: When the self-cleaning mode is activated, the roller brush driving member is controlled to start and drive the roller brush, and the suction device is controlled to be turned off, or the suction device is controlled to start and operate at a second power that is not less than the first power; Wherein, the rotation speed of the roller brush in the self-cleaning mode does not exceed the rotation speed in the foam washing mode; In the self-cleaning mode, the height of the immersed portion of the roller brush immersed in the cleaning liquid is lower than the height of the immersed portion in the foam washing mode.

11. A self-cleaning method for a cleaning device, characterized in that: The cleaning device includes a roller brush device and a dirt suction device, wherein the roller brush device includes a roller brush for wiping dirt and a roller brush driving member for driving the roller brush to rotate, and the dirt suction device includes a dirt suction pipe for collecting dirt, a sewage tank connected to the dirt suction pipe, and a suction device acting on the dirt suction pipe; The self-cleaning method comprises: When the foam washing mode is activated, the roller brush driving member is controlled to start and drive the roller brush to rotate at a foam washing speed, and the suction device is controlled to operate at a state not exceeding a first power, where the first power is an operating power at which the suction device can suck the cleaning liquid into the sewage tank without the cleaning liquid overflowing the sewage tank; When the self-cleaning mode is activated, the roller brush drive is controlled to start and drive the roller brush to rotate at a self-cleaning speed that does not exceed the washing speed, the suction device is controlled to be turned off, or the suction device is controlled to start and operate at a second power that is not less than the first power.

12. The self-cleaning method according to claim 11, characterized in that: During the execution of the bubble washing mode and the self-cleaning mode, the cleaning device is docked with a maintenance device having a cleaning tank for containing cleaning liquid; wherein the liquid level in the cleaning tank in the bubble washing mode is not lower than the liquid level in the self-cleaning mode.

13. The self-cleaning method according to claim 12, characterized in that: The maintenance device includes a base station provided with the cleaning tank, and the cleaning device is docked with the base station during the execution of the soaking mode and the self-cleaning mode; At least one of the cleaning device and the base station further includes a cleaning liquid output device, the cleaning liquid output device being capable of injecting cleaning liquid into the cleaning tank so that the liquid level in the cleaning tank in the bubble washing mode is higher than the liquid level in the self-cleaning mode; And / or, the base station is further provided with a sewage outlet communicated with the cleaning tank, and the sewage outlet is used to discharge the cleaning liquid in the cleaning tank out of the cleaning tank.

14. The self-cleaning method according to claim 12, characterized in that: The maintenance device includes a base station and an external cleaning container; the base station is provided with a first cleaning tank for accommodating the roller brush and the cleaning liquid, and the external cleaning container is provided with a second cleaning tank for accommodating the roller brush and the cleaning liquid, and the depth of the second cleaning tank is not less than the depth of the first cleaning tank; When the self-cleaning mode is activated, the cleaning device is docked with the base station so that the roller brush is placed in the first cleaning tank; When the foam washing mode is activated, the cleaning device is docked with the external cleaning container so that the roller brush is placed in the second cleaning tank.

15. The self-cleaning method according to claim 14, characterized in that: At least one of the cleaning device, the base station, and the external cleaning container further includes a cleaning liquid output device; In the case of starting the self-cleaning mode, the method further includes: controlling the cleaning liquid output device to inject cleaning liquid into the first cleaning tank until a second preset condition is met and starting the roller brush driving member; When the foam washing mode is started, the method further includes: controlling the cleaning liquid output device to inject cleaning liquid into the second cleaning tank until the cleaning liquid in the second cleaning tank reaches a preset position and starting the roller brush driving component.

16. A cleaning device, characterized in that: It includes a roller brush device, a sewage suction device and a control device, and the control device can implement the self-cleaning method described in any one of claims 1 to 15; the roller brush device includes a roller brush for wiping dirt and a roller brush driving member for driving the roller brush to rotate, the sewage suction device includes a sewage suction pipe for collecting dirt, a sewage tank connected to the sewage suction pipe and a suction device acting on the sewage suction pipe, the control device can control the roller brush driving member to drive the roller brush to rotate, and the control device can also control the suction device to generate negative pressure suction, so that dirt can enter the sewage tank through the sewage suction pipe.

17. The cleaning device according to claim 16, characterized in that The cleaning device also includes a shell device for supporting the rotation of the roller brush, a scraper device for scraping off dirt absorbed by the roller brush, and a sewage suction port for connecting to the sewage suction pipe. The scraper device is movably connected to the shell device, and the sewage suction port and the roller brush driving component are respectively located in the shell device.

18. The cleaning device according to claim 17, characterized in that The cleaning device further includes a host device connected to the housing device, the sewage tank and the control device are respectively located in the host device, and the host device is further provided with an operation button electrically connected to the control device, the operation button being used to input a control instruction for executing the self-cleaning method; And / or, the cleaning device is further provided with a waterproof structure for protecting the control device and the roller brush driving member.

19. The cleaning device according to claim 16, characterized in that The cleaning device can be docked with a maintenance device during the execution of the bubble washing mode and the self-cleaning mode. The maintenance device has a cleaning tank for containing cleaning liquid. At least one of the cleaning device and the maintenance device also includes a cleaning liquid output device, which can inject cleaning liquid into the cleaning tank.

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