Wet surface cleaning apparatus, cleaning base and cleaning system

Abstract

The application discloses a wet surface cleaning equipment, a cleaning base and a cleaning system. The cleaning equipment comprises a rolling brush assembly, a dirty liquid recovery tank and a cleaning main machine. The rolling brush assembly comprises a rolling brush and a suction port located at the periphery of the rolling brush. The rolling brush assembly has a dry garbage chamber and a wet garbage chamber which are in air flow isolation. The dry garbage chamber is in air flow communication with the suction port, and the rolling brush is located in the wet garbage chamber. The dirty liquid recovery tank has a dirty liquid inlet in fluid communication with the wet garbage chamber and an air outlet. The cleaning main machine comprises a vacuum motor and a dust cylinder with an air inlet. The dust cylinder has a dust separation device. The surface cleaning equipment has a first fluid channel in communication with the wet garbage chamber, the dirty liquid recovery tank and the vacuum motor, and a second fluid channel in communication with the dry garbage chamber, the dust cylinder and the vacuum motor. At least part of the first fluid channel and the second fluid channel are in air flow isolation, so that a dry garbage recovery path is formed between the suction port and the dust cylinder without passing through the dirty liquid recovery tank.

Description

Technical Field

[0001] This application relates to the field of cleaning equipment technology, and in particular to a household wet surface cleaning device, cleaning base and cleaning system. Background Technology

[0002] In recent years, wet cleaning equipment, such as floor scrubbers and sweeper-mop combos, has become increasingly popular among consumers. Floor scrubbers typically spray cleaning liquid onto the floor or onto a roller brush, which removes dirt from the surface through friction. The wastewater, mixed with dust and debris, is then collected in a wastewater tank under negative pressure. However, because the wastewater tank contains both solid and liquid waste, simply emptying the wastewater cannot remove the solid waste, often requiring manual cleaning by the user, which negatively impacts the user experience. Some wet and dry vacuum cleaners also feature both a dustbin and a wastewater tank. In wet cleaning mode, the dust-laden liquid first passes through the wastewater tank for water-air separation before entering the dustbin and finally the motor compartment. In dry cleaning mode, the handheld vacuum cleaner can be removed from the main unit and used solely as a dry vacuum cleaner. Summary of the Invention

[0003] The purpose of this application is to solve the problem of inconvenient cleaning caused by the mixing of dry and wet waste in existing technologies. This application provides a wet surface cleaning device and system that can store and dispose of dry and wet waste separately, improving the user experience.

[0004] To achieve the above objectives, this application adopts the following technical solution: a wet surface cleaning device, comprising:

[0005] Cleaning fluid supply components;

[0006] A roller brush assembly includes a roller brush that rubs against the surface to be cleaned and a suction port located around the roller brush. The roller brush assembly has a dry waste chamber and a wet waste chamber that are isolated from each other by airflow. The dry waste chamber is in airflow communication with the suction port, and the roller brush is located in the wet waste chamber.

[0007] The wastewater recovery tank has a wastewater inlet and an air outlet in fluid communication with the wet waste chamber; and

[0008] The cleaning unit includes a vacuum motor and a dust cylinder with an air inlet, the dust cylinder having a dust separation device inside;

[0009] The surface cleaning device has a first fluid channel communicating with the wet garbage chamber, the dirty liquid recovery tank and the vacuum motor, and a second fluid channel communicating with the dry garbage chamber, the dust cylinder and the vacuum motor, the first fluid channel and the second fluid channel are at least partially air flow isolated from each other, so that a dry garbage recovery path is formed between the suction port and the dust cylinder without passing through the dirty liquid recovery tank.

[0010] Through the above technical solution, it can be seen that the application can separately transport, store and dump the dry garbage and the wet garbage of the surface cleaning device, so that it is easier to clean and the user experience is improved.

[0011] In a possible implementation, the front side and the rear side of the roller brush both have the suction port.

[0012] In a possible implementation, the roller brush assembly includes a shell and at least one partition located in the shell, the inner side of the at least one partition forms the wet garbage chamber, and the roller brush is rotatably arranged in the wet garbage chamber; the outer wall surface of the at least one partition and the inner wall surface of the shell jointly define the dry garbage chamber.

[0013] In a possible implementation, the surface cleaning device further includes a first valve mechanism for adjusting the flow of the first fluid channel and the second fluid channel, and a controller for receiving external instructions to control the first valve mechanism to perform specified actions, and the surface cleaning device has at least a dry cleaning mode, a wet cleaning mode and a mixed cleaning mode; when the surface cleaning device is in the dry cleaning mode, the first fluid channel is closed and the second fluid channel is open; when the surface cleaning device is in the wet cleaning mode, the first fluid channel is open and the second fluid channel is closed; when the surface cleaning device is in the mixed cleaning mode, the first fluid channel and the second fluid channel are both open.

[0014] In a possible implementation, the first valve mechanism is located upstream of the vacuum motor and downstream of the dust cylinder.

[0015] In a possible implementation, the first valve mechanism includes at least one first valve plate capable of closing the first fluid channel and the second fluid channel, and a first driver driving the first valve plate to move, the first driver is signal connected with the controller, and a valve hole is formed in the first valve plate; when the valve hole is in communication with the inner cavity of the first fluid channel or the second fluid channel, the first fluid channel or the second fluid channel is open.

[0016] In a possible implementation, the bottom of the dirty liquid recovery tank further has a liquid discharge port and a second valve mechanism capable of closing the liquid discharge port, the second valve mechanism comprising a second valve plate and a second driver for driving the second valve plate to open or close, the second driver being signal-connected with the controller, and the controller being configured to be triggered when the surface cleaning device is docked with the cleaning base to open the second valve mechanism to discharge the liquid in the dirty liquid recovery tank.

[0017] In a possible implementation, the dust cylinder further has a dust discharge port and a third valve mechanism capable of closing the dust discharge port, the third valve mechanism being configured to be triggered to open when the surface cleaning device is docked with the cleaning base to empty the dry garbage in the dust cylinder.

[0018] In a possible implementation, the cleaning host further has a battery, and the cleaning host is detachably connected to the machine body.

[0019] In a possible implementation, the device further comprises a vertical machine body, and the second fluid channel is at least partially formed in the vertical machine body.

[0020] A second aspect of the present application provides a cleaning base for docking the surface cleaning device, the cleaning base comprising a seat body, a washing tank formed in the seat body, a dry garbage recovery device for receiving dry garbage and a wet liquid discharge mechanism for receiving or discharging dirty liquid.

[0021] In a possible implementation, the dry garbage recovery device comprises a suction motor arranged in the seat body, a dust collector, and a docking port for sealingly docking with the dust discharge port of the dust cylinder.

[0022] A third aspect of the present application provides a surface cleaning system comprising the wet surface cleaning device as described above and a cleaning base for docking the surface cleaning device, the cleaning base having a dry garbage recovery device for receiving dry garbage and a wet liquid discharge mechanism for receiving or discharging dirty liquid.

[0023] It can be understood that the surface cleaning system of the third aspect provided above can comprise the surface cleaning device provided above, and thus can achieve the beneficial effects of the surface cleaning device provided above, which will not be described herein again. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1A perspective view of a wet surface cleaning system according to embodiments of the application.

[0025] Figure 2 A schematic diagram of a wet surface cleaning system according to embodiments of the application.

[0026] Figure 3 A schematic diagram of a wet surface cleaning system according to embodiments of the application. Figure 2 A partial enlarged view of a surface cleaning system according to embodiments of the application.

[0027] Figure 4 A schematic diagram of a first valve mechanism according to embodiments of the application.

[0028] Figure 5 A schematic diagram of a first valve mechanism according to embodiments of the application.

[0029] wherein 100, surface cleaning device; 110, roller brush assembly; 111, roller brush; 112, dry waste chamber; 113, wet waste chamber; 114, first fluid passage; 115, second fluid passage; 116, partition; 1161, flexible strip; 1162, baffle; 1163, scraping strip; 117, housing; 118, suction port; 120, cleaning main machine; 121, dust cylinder; 122, vacuum motor; 123, third valve mechanism; 130, dirty liquid recovery tank; 131, second valve mechanism; 132, dirty liquid inlet; 133, air outlet; 134, liquid discharge port; 135, water baffle; 140, handle; 141, button; 150, machine body; 151, first valve mechanism; 1511, first driver; 1512, first valve plate; 160, clean liquid tank;

[0030] 200, cleaning base; 210, seat body; 211, cleaning tank; 220, wet waste discharge mechanism; 221, waste discharge pipeline; 222, waste discharge pipe interface; 230, dry waste recovery device; 231, suction motor; 232, dust collector. DETAILED DESCRIPTION

[0031] To illustrate the technical content, structural features, achieved objectives, and effects of the invention in detail, the technical solutions of the embodiments of this application will be described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. In the following description, for illustrative purposes, numerous specific details are set forth to provide a detailed description of various exemplary embodiments or implementations of the invention. However, various exemplary embodiments may also be implemented without these specific details or in one or more equivalent arrangements. Furthermore, the various exemplary embodiments may differ, but are not necessarily exclusive. For example, the specific shape, construction, and characteristics of the exemplary embodiments may be used or implemented in another exemplary embodiment without departing from the inventive concept.

[0032] In the following description, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0033] The term "front side" as used in this instruction manual refers to the attached side. Figure 2 The left side of the middle, the "rear side" is attached. Figure 2 The right side of the figure. Furthermore, in this application, spatial relative terms such as “below,” “under,” “below,” “down,” “above,” “above,” “higher,” and “side” (e.g., as in “sidewall”) are used to describe the relationship between one element and another (other) element as shown in the figures. Spatial relative terms are intended to include different orientations of the device in use, operation, and / or manufacture other than those depicted in the figures. For example, if the device in the figures is flipped, an element described as “below” or “under” another element or feature would then be positioned “above” said other element or feature. Thus, the exemplary term “below” can include both above and below orientations. Furthermore, the device can be otherwise positioned (e.g., rotated 90 degrees or in other orientations), thus interpreting the spatial relative descriptive terms used herein accordingly.

[0034] In this application, unless otherwise expressly specified and limited, the term "connection" shall be interpreted broadly. For example, "connection" may be a fixed connection, a detachable connection, or an integral part; it may be a direct connection or an indirect connection through an intermediate medium.

[0035] Embodiments of the present application provide a surface cleaning system, which includes a wet surface cleaning device and a cleaning base for the surface cleaning device to dock. For the convenience of description, a stand-type floor cleaning machine is taken as an example for description.

[0036] Referring to Figure 1 As shown in the figure, in one embodiment of the present application, a surface cleaning system is provided, which includes a surface cleaning device 100 and a cleaning base 200 for the surface cleaning device 100 to dock.

[0037] The surface cleaning device 100 includes a stand-type machine body 150, a handle 140 connected to the machine body 150, a rolling brush assembly 110 at the bottom of the machine body 150, a cleaning liquid supply assembly, a cleaning main machine 120, and a dirty liquid recovery tank 130.

[0038] Specifically, the machine body 150 adopts a stand-type structure, and the lower part thereof is rotatably connected with the rolling brush assembly 110, so as to facilitate the user to adjust the angle between the machine body 150 and the rolling brush assembly 110 and facilitate the user to push the device to move on the ground. The upper part of the machine body 150 is connected with the handle 140, so as to facilitate the user to push the cleaning device to move or turn on the ground. A plurality of keys 141 for the user to operate the device are arranged on the handle 140.

[0039] In the embodiment, the cleaning main machine 120 and the dirty liquid recovery tank 130 are detachably connected to the front side of the machine body 150 one above the other, so as to facilitate the user to manually dump the dirty water in the dirty liquid recovery tank and the dust in the dust cylinder after the ground cleaning work is completed. The cleaning main machine 120 can be detached from the machine body 150 according to the user's demand. When the surface cleaning device is used as a stand-type cleaning device, the cleaning main machine 120 is connected to the machine body 120 to work. When the cleaning main machine 120 is removed from the machine body 150, the cleaning main machine 120 can be connected with an accessory or used as a handheld vacuum cleaner.

[0040] In alternative embodiments, the cleaning main machine 120 can also be fixedly connected to the machine body 150 and cannot be detached. In this case, the dust cylinder 121 of the cleaning main machine 120 can be independently detached to dump the dust.

[0041] In another embodiment, the cleaning main machine 120 and the dirty liquid recovery tank 130 can also be integrally fixedly connected to the machine body 150. Only when the surface cleaning device is docked on the cleaning base 200, the dirty water can be discharged and the dust can be emptied through the cleaning base 200.

[0042] The surface cleaning apparatus can further include a cleaning fluid supply assembly. The cleaning fluid supply assembly includes a clean water tank 160 detachably connected to the rear side of the main body 150, and a clean water distribution pipeline connecting the clean water tank 160 and the roller brush assembly, which can uniformly distribute the cleaning fluid to the roller brush 111 or the ground to be cleaned. In some preferred embodiments, the cleaning fluid supply assembly can further include a water pump and a heater and the like connected in series in the clean water distribution pipeline. The heater can be used to heat the cleaning fluid, or form steam, which is sprayed on the roller brush or the ground, to achieve sterilization or heating effect.

[0043] Please refer to Figure 2 、 3 The dirty water recovery tank 130 has a dirty water inlet 132 and a gas outlet 133 above the dirty water inlet 132. In this embodiment, the dirty water recovery tank 130 can be detachably mounted on the main body 150, and after the cleaning work is completed, the user can take the dirty water recovery tank 130 off the main body 150 and manually pour the dirty water.

[0044] In some embodiments, the dirty water recovery tank 130 can also be fixedly installed on the main body 150, and the dirty water in the dirty water recovery tank 130 can be automatically discharged when the surface cleaning apparatus is docked on the cleaning base. Further, the dirty water recovery tank 130 can also be automatically cleaned when it is docked on the cleaning base.

[0045] Please continue to refer to Figure 2 The bottom of the dirty water recovery tank 130 can also be provided with a liquid discharge port 134. The liquid discharge port 134 is located below the dirty water inlet 132, and when the surface cleaning apparatus is docked on the cleaning base, the liquid discharge port 134 can be docked with the wet sewage discharge mechanism 220 of the cleaning base, and then the dirty water in the dirty water recovery tank can be transferred to the cleaning base through the wet sewage discharge mechanism or directly discharged.

[0046] The cleaning main machine 120 includes a vacuum motor 122 for providing vacuum suction and a dust cylinder 121 with an air inlet, and the dust cylinder 121 has a dust separation device. To improve the ease of use of the surface cleaning apparatus, the cleaning main machine 120 can further include a battery pack electrically connected to the vacuum motor 122, which can supply power to the vacuum motor when the cleaning main machine 120 is separated from the main body 150, so that the cleaning main machine can be used alone.

[0047] Please refer to Figure 3The rolling brush assembly 110 includes a housing 117 that forms part of the outer surface of the rolling brush assembly, a rolling brush 111 that is in frictional contact with the surface to be cleaned, and a suction port 118 located at the periphery of the rolling brush 111. In some embodiments, the suction port can be provided in the form of a flat suction port as is known in the art to suck up large pieces of debris from the floor to reduce the amount of solid debris that enters the wet debris chamber. In other embodiments, an agitator roller can be provided at the suction port to rub against the floor and help to direct the dust on the floor into the dry debris chamber.

[0048] The rolling brush 111 can be a conventional rolling brush used in wet cleaning equipment and can be covered with a water-absorbing material or bristles. The rolling brush 111 is wetted by the cleaning liquid dispensed by the cleaning liquid supply assembly and wipes the surface to be cleaned by rubbing against the floor. The dirty water on the rolling brush 111 is eventually sucked into the dirty liquid recovery tank 130 by the vacuum.

[0049] To avoid wetting the dry debris such as dust and hair, the present application provides the suction port 118 for sucking the dry debris at the periphery of the rolling brush 111 and separated from the rolling brush 111, so that the dry debris such as dust and hair on the surface to be cleaned can be first transferred to the dust cylinder 121 by the vacuum motor 122 before coming into contact with the rolling brush 111. The suction port can be provided at the front side of the rolling brush or at both the front side and the rear side of the rolling brush to ensure that the surface cleaning equipment passes through the suction port before passing through the rolling brush when moving on the surface to be cleaned.

[0050] In the present embodiment, there are two flat suction ports provided at the front side and the rear side of the rolling brush respectively, and the suction ports 118 are parallel to the direction of the rolling brush axis. It is to be noted that when the front side and the rear side of the rolling brush are both provided with the suction ports, the front side suction port or the rear side suction port can be automatically selected to be opened by a valve, i.e. when the surface cleaning equipment moves forward, the front side suction port is automatically opened and the rear side suction port is automatically closed; when the surface cleaning equipment moves backward, the rear side suction port is automatically opened and the front side suction port is automatically closed.

[0051] Please refer to Figure 3 Further, the rolling brush assembly has a dry debris chamber 112 and a wet debris chamber 113 that are in air flow isolation from each other, the rolling brush 111 is located in the wet debris chamber 113, and the suction port is located at the opening of the dry debris chamber 112 facing the surface to be cleaned.

[0052] The surface cleaning apparatus 100 has a first fluid passage 114 connecting the wet waste chamber 113, the dirty liquid recovery tank 130 and the vacuum motor 122, and a second fluid passage 115 connecting the dry waste chamber 112, the air inlet of the dust cup 121 and the vacuum motor 122. The first fluid passage 114 and the second fluid passage 115 are at least partially air flow isolated from each other, so that a dry waste recovery path is established between the suction port 118 and the air inlet of the dust cup 121 without passing through the dirty liquid recovery tank 130. That is, the dry waste from the surface to be cleaned can be directly introduced into the dust cup 121 via the suction port, the dry waste chamber 112 and the second fluid passage 115, and the dust separation is performed in the dust cup 121. In this way, the dry waste can be completely avoided from being soaked by the water vapor, so as to avoid the influence on the dust suction and separation effects, and the water vapor is also avoided from being combined with the dust in the dust cup to adhere to the inner surface of the dust cup.

[0053] In the specific implementation, the dry waste chamber 112 and the wet waste chamber 113 can be formed by the part of the housing of the roller brush assembly, or can be formed by a third component.

[0054] Specifically, the housing 117 has a roller brush cavity formed therein for receiving the roller brush 111, and the roller brush 111 is rotatably connected to the housing 117 about an axis thereof. In the present embodiment, the housing 117 has a partition 116 disposed therein, which is substantially arc-shaped and covers the outer side of the roller brush 111. The partition 116 divides the roller brush cavity into the dry waste chamber 112 and the wet waste chamber 113 which are air flow isolated from each other. The inner side of the partition 116 forms the wet waste chamber 113 in which the roller brush 111 is located, and the outer wall of the partition 116 and the inner wall of the housing 117 together define the dry waste chamber 112. The partition 116 has an air flow hole formed therein, through which the wet waste chamber 113 is in communication with the first fluid passage 114, and the lower end of the second fluid passage 115 is directly connected to the inner wall of the housing and in communication with the dry waste chamber 112.

[0055] In the present embodiment, the first fluid passage 114 is located at the front side of the second fluid passage 115, so that part of the second fluid passage 115 can be formed on the body 150.

[0056] It should be understood that the partition provided in the embodiments of the present application is not limited in number / shape, although Figure 2 、 3 one is shown in the figures and is arc-shaped, in other embodiments of the present application, the partition can also be formed by multiple components. Similarly, the number of the roller brushes is not limited in the present application, for example, the roller brush assembly includes a pair of roller brushes, and the partition is appropriately arranged to have a shape suitable for accommodating the pair of roller brushes, as long as it can finally establish the two chambers for dry and wet separation in the roller brush assembly.

[0057] To improve the dust collection efficiency and the sealing performance, the flexible strip 1161, such as rubber strip, wool strip, etc., can be arranged on the portion of the partition 116 close to the ground.

[0058] To avoid the excessive liquid in the wet waste chamber from flowing to the surface to be cleaned, the roller brush assembly 110 can further include a baffle 1162 and a scraping strip 1163 arranged in the wet waste chamber 113. The baffle 1162 can be arranged in one or two and extends along the axial direction of the roller brush. The baffle can block the liquid splashed by the roller brush onto the inner wall of the partition from flowing back to the ground. The scraping strip can be in frictional contact with the bristles of the roller brush to help remove the excessive dirty liquid on the surface of the roller brush. In the direction of rotation of the roller brush, the scraping strip 1163 is located upstream of the first fluid passage 114, so that the dirty liquid scraped off by the scraping strip is sucked through the first fluid passage.

[0059] Since the dry waste is transferred to the dust cylinder through the suction port, the dry waste chamber and the second fluid passage at the first moment of contacting the surface to be cleaned, it can be ensured that the dry waste in the dust cylinder is dry and not easy to adhere to the surface of the dust cylinder, and the dust is easy to pour.

[0060] Figure 2 In the embodiment shown, the first fluid passage 114 and the second fluid passage 115 are completely isolated and only join together in the motor chamber of the vacuum motor 122, thereby ensuring that no water vapor enters the dust cylinder. As a variation of the present application, in other embodiments, a filter can be arranged at the air outlet 133 of the dirty liquid recovery tank 130 to sufficiently remove the water vapor in the air discharged through the dirty liquid recovery tank 130. The part of the gas filtered can join together with the dust-containing gas in the second fluid passage 115 and enter the dust cylinder 121, that is, the first fluid passage and the second fluid passage can share a section of pipeline downstream of the dirty liquid recovery tank.

[0061] In the embodiment given in the present application, the surface cleaning device can have multiple working modes, including: dry cleaning mode, wet cleaning mode and mixed cleaning mode.

[0062] The surface cleaning device further includes a first valve mechanism for adjusting the flow of the first fluid passage 114 and the second fluid passage 115, and a controller for receiving external instructions to control the first valve mechanism to perform specified actions. The first valve mechanism can selectively open or close the first fluid passage 114, the second fluid passage 115 or both of the above fluid passages. The first valve mechanism can be arranged in a section of the area between the downstream of the dust cylinder 121 and the upstream of the vacuum motor 122.

[0063] When the surface cleaning device is in the dry cleaning mode, the first valve mechanism is actuated to close the first fluid passage 114 and open the second fluid passage 115, so that the surface cleaning device can be used as a vacuum cleaner.

[0064] When the surface cleaning device is in the wet cleaning mode, the first valve mechanism is actuated to open the first fluid passage 114 and close the second fluid passage 115, the surface cleaning device can be used as a mop.

[0065] When the surface cleaning device is in the mixed cleaning mode, the first valve mechanism is actuated to open both the first fluid passage 114 and the second fluid passage 115, the surface cleaning device can be used to mop and dry the floor at the same time.

[0066] The first valve mechanism can be implemented in various structures, the first valve mechanism comprises at least one first valve plate capable of closing the first fluid passage and the second fluid passage, and a first driver capable of driving the first valve plate to move forward and backward. The first valve plate can be a hollow component, for example, a valve hole is formed in the first valve plate, when the valve hole is in communication with the inner cavity of the first fluid passage or the second fluid passage, the first fluid passage or the second fluid passage is opened.

[0067] Figure 4 The structure of the first valve mechanism in one embodiment of the present application is shown in FIG. 1. As shown in the figure, the first valve mechanism 151 comprises at least one first valve plate 1512 capable of closing the first fluid passage and the second fluid passage, and a first driver 1511 capable of driving the first valve plate to move forward and backward. The first driver 1511 is connected with the controller signal, the first valve plate 1512 is a solid component, which can shield the fluid passage, the first valve plate 1512 has three working positions, the initial position is between the first fluid passage and the second fluid passage, moving forward can close the first fluid passage 114, moving backward can close the second fluid passage 115, and the first valve plate 1512 is kept in the initial position. Figure 4 The initial position shown in the figure can open both the first fluid passage 114 and the second fluid passage 115.

[0068] Figure 5 The structure of the first valve mechanism in another embodiment of the present application is shown in FIG. 2. In this embodiment, the first valve mechanism 151 comprises a first valve plate 1512 and a first driver 1511 capable of driving the first valve plate 1512 to rotate, the first valve plate 1512 is also a solid component, which can selectively shield any one of the fluid passages, thereby realizing the opening and closing of the two fluid passages.

[0069] Please continue to refer to Figure 3The bottom of the dirty liquid recovery tank 130 also has a liquid discharge port 134 and a second valve mechanism 131 capable of closing the liquid discharge port 134. The second valve mechanism can adopt the structural design of the currently common scrubber with automatic drainage cleaning function, for example, the second valve mechanism 131 can include a second valve plate and a second driver driving the second valve plate to open or close, and the second driver is signal connected with the controller. The controller is configured to open the second valve mechanism to discharge the liquid in the dirty liquid recovery tank when the surface cleaning equipment is placed on the cleaning base 200.

[0070] In the preferred embodiments of the present application, the dust cylinder 121 is provided with an openable dust cover, which can be opened manually by the user to clean the dust. In addition, the dust cylinder 121 is also provided with a dust discharge port and a third valve mechanism capable of closing the dust discharge port. The third valve mechanism is configured to be opened when the surface cleaning equipment is placed on the cleaning base 200 to empty the dry garbage in the dust cylinder. In a simplified embodiment, the third valve mechanism can be a one-way valve plate, which closes the dust discharge port when the surface cleaning equipment is in normal working state. When the surface cleaning equipment is placed on the cleaning base 200, the valve plate can be pried open by a mechanical plug-in connector, so that the dust cylinder is in airflow communication with the dust collector inner cavity in the cleaning base.

[0071] The cleaning base 200 has a dry garbage recovery device 230 for receiving dry garbage and a wet pollution discharge mechanism 220 for receiving or discharging dirty liquid. The cleaning base can further include a self-cleaning spray structure for spraying and cleaning the dirty liquid recovery tank. The self-cleaning spray structure can adopt the structure known in the prior art, for example, the self-cleaning spray structure is connected with the municipal water pipeline and can extend the spray head into the dirty liquid recovery tank to flush the dirty liquid recovery tank when the surface cleaning equipment is docked on the cleaning base.

[0072] The dry garbage recovery device 230 includes a suction motor 231, a dust collector 232 and a docking port arranged in the seat body 210. In some embodiments of the present application, a mechanical or electronic trigger element such as a pin, a displacement sensor, a photoelectric sensor or a Hall sensor can be arranged on the docking port to trigger the third valve mechanism to open when the surface cleaning equipment is docked. The trigger can be instant trigger or delayed trigger. When the surface cleaning equipment is docked on the cleaning base, the docking port is sealed and docked with the dust discharge port, and the third valve mechanism is opened, so that the inner cavity of the dust cylinder 121 is in airflow communication with the dust collector 232, and the suction motor 231 is started to transfer the dry garbage in the dust cylinder 121 to the dust collector 232. The dust collector 232 can adopt a traditional dust collection structure such as a dust box or a dust bag.

[0073] The wet waste discharge mechanism 220 includes a waste pipe interface 222 arranged in the seat body 210 and a waste pipe 221 connected to one end of the waste pipe interface 222. The other end of the waste pipe 221 can be directly inserted into a municipal drainage pipe or connected to a container for containing sewage. When the surface cleaning device is docked on the cleaning base, the waste pipe interface 222 is docked with the liquid discharge port 134 at the bottom of the sewage recovery tank 130, and the waste pipe interface 222 and the waste pipe 221 are both lower than the sewage recovery tank 130. At this time, the second valve mechanism 131 is opened, and the sewage in the sewage recovery tank 130 can be smoothly discharged through the waste pipe interface 222 and the waste pipe 221.

[0074] Preferably, to avoid bacteria and gas in the sewer entering the user's living space through the waste pipe, the waste pipe 221 has an S-shaped water trap.

[0075] The above-mentioned surface cleaning device 100 is a device with a vertical structure; the technical solution of the present application can also be applied to tank-type, handheld, and even self-moving surface cleaning robot devices. By arranging independent fluid channels for user dry and wet garbage recovery on the device, the dry garbage and wet garbage recovered by the device are stored separately, which facilitates the user's handling of different types of garbage, and the user's convenience is significantly improved.

[0076] The basic principles, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and the scope of protection of the present application is defined by the appended claims, the specification and their equivalents.

Claims

1. A wet surface cleaning apparatus characterised in that, The surface cleaning apparatus comprises: a cleaning fluid supply assembly; a roller brush assembly comprising a roller brush in frictional contact with a surface to be cleaned, a suction port located at a periphery of the roller brush, the roller brush assembly having a dry waste chamber and a wet waste chamber in fluid communication with each other, the dry waste chamber being in fluid communication with the suction port, the roller brush being located in the wet waste chamber; a dirty fluid recovery tank having a dirty fluid inlet in fluid communication with the wet waste chamber and an air outlet; and a cleaning main having a vacuum motor and a dust bin with an air inlet, the dust bin having a dust separating device therein; wherein the surface cleaning apparatus has a first fluid passage connecting the wet waste chamber, the dirty fluid recovery tank and the vacuum motor, and a second fluid passage connecting the dry waste chamber, the dust bin and the vacuum motor, the first fluid passage and the second fluid passage being at least partially isolated from each other so that a dry waste recovery path is established between the suction port and the dust bin without passing through the dirty fluid recovery tank, the surface cleaning apparatus further comprising a first valve mechanism for regulating flow rates of the first fluid passage and the second fluid passage, and a controller for receiving external instructions to control the first valve mechanism to perform specified actions, the surface cleaning apparatus having at least a dry cleaning mode, a wet cleaning mode and a hybrid cleaning mode, when the surface cleaning apparatus is in the dry cleaning mode, the first fluid passage is closed and the second fluid passage is open, when the surface cleaning apparatus is in the wet cleaning mode, the first fluid passage is open and the second fluid passage is closed, and when the surface cleaning apparatus is in the hybrid cleaning mode, both the first fluid passage and the second fluid passage are open.

2. The wet surface cleaning apparatus of claim 1, wherein, The roller brush has the suction port on both front and rear sides thereof.

3. The wet surface cleaning apparatus of claim 1, wherein, The roller brush assembly comprises a housing and at least one partition located in the housing, an inner side of the at least one partition defining the wet waste chamber, the roller brush being rotatably arranged in the wet waste chamber, an outer wall surface of the at least one partition and an inner wall surface of the housing jointly defining the dry waste chamber.

4. The wet surface cleaning apparatus of claim 1, wherein, The first valve mechanism is located upstream of the vacuum motor and downstream of the dust bin.

5. The wet surface cleaning apparatus of claim 1, wherein, The first valve mechanism comprises at least one first valve plate capable of closing the first fluid passage and the second fluid passage, and a first driver for driving the first valve plate to move, the first driver being in signal connection with the controller, the first valve plate having a valve hole formed therein, when the valve hole is in communication with an inner cavity of the first fluid passage or the second fluid passage, the first fluid passage or the second fluid passage is open.

6. The wet surface cleaning apparatus of claim 1, wherein, The bottom of the dirty liquid recovery tank further has a liquid discharge port and a second valve mechanism capable of closing the liquid discharge port, the second valve mechanism comprising a second valve plate and a second driver driving the second valve plate to open or close, the second driver being signal connected with the controller, the controller being configured to be triggered when the surface cleaning device is docked with the cleaning base to open the second valve mechanism to discharge the liquid in the dirty liquid recovery tank.

7. The wet surface cleaning apparatus of claim 1, wherein, The dust cylinder further has a dust discharge port and a third valve mechanism capable of closing the dust discharge port, the third valve mechanism being configured to be triggered to open when the surface cleaning device is docked with the cleaning base to empty the dry garbage in the dust cylinder.

8. The wet surface cleaning apparatus of claim 1, wherein, Further comprising: The upright body, at least part of the second fluid channel is opened in the upright body.

9. The wet surface cleaning apparatus of claim 8, wherein, The cleaning main machine further has a battery, and the cleaning main machine is detachably connected to the upright body.

10. A cleaning base for docking a surface cleaning apparatus as claimed in any one of claims 1 to 9, characterized in that: The cleaning base comprises a seat body, a cleaning tank opened in the seat body, a dry garbage recovery device for receiving dry garbage and a wet pollution discharge mechanism for receiving or discharging dirty liquid.

11. The cleaning pedestal of claim 10, wherein, The dry garbage recovery device comprises a suction motor arranged in the seat body, a dust collector and a docking port sealingly docked with the dust discharge port of the dust cylinder.

12. A surface cleaning system characterized by, The wet surface cleaning device comprises a cleaning main machine and a cleaning base for docking the surface cleaning device, the cleaning base having a dry garbage recovery device for receiving dry garbage and a wet pollution discharge mechanism for receiving or discharging dirty liquid.

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