Self-cleaning system for cleaning robot with mopping function

Abstract

The utility model provides a self-cleaning system for a cleaning robot with a mopping function. The self-cleaning system includes a suction device, a first cleaning fluid container, a first collection container, and a cleaning assembly assembled together. In the state that the cleaning robot is parked on / carried on the cleaning assembly, the suction device can be used for sucking and collecting wet-type dirt such as dust and water mixed on a wet-type cleaning piece such as rag into the first collecting container, and therefore the wet-type cleaning piece can be automatically cleaned at a relatively high speed, and the cleaning effect is good.

Description

Technical Field

[0001] The present disclosure relates to a self-cleaning system for a cleaning robot with a mopping function. Background Art

[0002] Autonomous mobile devices refer to intelligent mobile devices that can autonomously perform preset tasks. Currently, autonomous mobile devices generally include but are not limited to cleaning robots (such as intelligent sweepers, intelligent floor scrubbers, window cleaning robots), companion mobile robots (such as intelligent electronic pets, nanny robots), service mobile robots (such as reception robots in hotels, inns, and meeting places), industrial inspection intelligent devices (such as power inspection robots, intelligent forklifts, etc.), and security robots (such as home or commercial intelligent guard robots).

[0003] Cleaning robots with wet cleaning components (e.g., including a rag and a cleaning fluid container, etc.) are increasingly widely used, and can be operated on a surface to be cleaned to wet clean the surface. However, after the existing cleaning robots have cleaned the surface to be cleaned, the wet cleaning components need to be manually cleaned to remove dirt collected by the cleaning robots during the cleaning process. In this case, it is time-consuming and labor-intensive to manually clean the wet cleaning components of the cleaning robots. Utility Model Content

[0004] Based on the above problems of the prior art, an object of the present disclosure is to provide a self-cleaning system for a cleaning robot with a mopping function, which can automatically and effectively clean the wet cleaning components of the cleaning robot with a relatively simple structure.

[0005] In order to achieve the above objectives, the present disclosure adopts the following technical solutions.

[0006] The present disclosure provides a self-cleaning system for a cleaning robot with a mopping function, comprising:

[0007] Suction device;

[0008] A first cleaning fluid container storing a cleaning fluid therein;

[0009] a first collection container for collecting wet waste; and

[0010] A cleaning component is formed with a suction port connected to the suction device. When the cleaning robot is placed on the cleaning component, the suction port is opposite to the wet cleaning piece of the cleaning robot, so that when the wet cleaning piece can be moistened by the cleaning fluid from the first cleaning fluid container, the suction device is used to perform suction on the wet cleaning piece through the suction port, and the suction airflow generated by the suction device flows through the first collection container.

[0011] In an optional solution, the cleaning assembly includes a base, a tray and a power assembly, the tray is arranged on the base in a manner capable of relative movement relative to the base, the suction port is formed on the tray,

[0012] When the cleaning robot is placed on the tray, the wet cleaning piece is positioned on the tray, and the tray and the wet cleaning piece are enabled to generate relative movement through the power assembly, and the suction port is used to suction different parts of the wet cleaning piece by utilizing the relative movement.

[0013] In another optional scheme, the power assembly includes a power source, a lead screw and a nut. The lead screw is installed on the base and can rotate relative to the base. The nut is fixed to the tray and is threadedly connected to the lead screw. The power source can drive the lead screw to rotate, so that the nut drives the tray to perform reciprocating linear motion relative to the base.

[0014] In another optional solution, a hollow cavity is formed inside the tray, and an interface connected to the hollow cavity is formed on the tray. The suction device is connected to the hollow cavity via the interface to provide negative pressure for the suction port.

[0015] In another optional solution, the plurality of suction ports are arranged in an array.

[0016] In another optional scheme, the self-cleaning system includes a first supply flow path connected to the first cleaning fluid container, and the first supply flow path is used to connect to the second cleaning fluid container of the cleaning robot when the cleaning robot is loaded on the cleaning component, so that the cleaning fluid from the first cleaning fluid container can flow into the second cleaning fluid container and re-wet the wet cleaning parts.

[0017] In another optional solution, the cleaning component includes a base, and at least one groove is formed on the top of the base. When the cleaning robot is placed on the cleaning component, the wet cleaning element is at least partially received in the corresponding groove.

[0018] The suction port is formed at the bottom of the groove, and the base is formed with an injection port at the bottom of the groove, the base can be supplied with cleaning liquid through the injection port, and the injection port and the suction port are spaced apart from each other,

[0019] The interior of the base is formed as a hollow cavity, and the base is formed with an interface connected with the hollow cavity, and the suction device is connected with the hollow cavity via the interface to provide negative pressure for the suction port.

[0020] In another optional solution, the self-cleaning system includes a first supply flow path and a second supply flow path connected to the first cleaning fluid container,

[0021] The first supply flow path is used to connect to the second cleaning fluid container of the cleaning robot when the cleaning robot is placed on the cleaning assembly, and

[0022] The second supply flow path is connected to the injection port, so that the cleaning fluid from the first cleaning fluid container wets the wet cleaning member through the injection port.

[0023] In another optional solution, the first collecting container includes a first shell and a first filter, and the first filter is disposed in the first shell.

[0024] The self-cleaning system also includes a first passage, which includes a first suction pipeline and a first connecting pipeline. The first end of the first suction pipeline is connected to the suction device and the second end extends into the first shell. The first end of the first connecting pipeline extends into the first shell and the second end is used to be connected to the cleaning robot. The first filter is arranged in the first suction pipeline.

[0025] In another optional scheme, the opening of the second end of the first suction pipeline and the opening of the first end of the first connecting pipeline are open in opposite directions, and the opening of the second end of the first suction pipeline and the opening of the first end of the first connecting pipeline are always located at a position higher than the liquid level in the first shell.

[0026] In another optional solution, it also includes a second passage and a second collection container.

[0027] The second collection container includes a second housing and a second filter, the second filter is disposed in the second housing, and

[0028] The second passage includes a second suction pipeline and a second connecting pipeline, the first end of the second suction pipeline is connected to the suction device and the second end is connected to the second shell, the first end of the second connecting pipeline is connected to the second shell and the second end is used to connect to the cleaning robot, and the opening of the second end of the second suction pipeline and the opening of the first end of the second connecting pipeline are configured in a manner separated by the second filter.

[0029] In another optional solution, a selection valve is further included, which is arranged in the first passage and the second passage, and is used to enable the first passage and the second passage to be selectively connected in an alternative manner or the first passage and the second passage to be connected at the same time.

[0030] In another optional solution, the side wall of the first passage is formed with a first sealed portion, the side wall of the second passage is formed with a second sealed portion, and the selection valve includes a first sealing portion and a second sealing portion.

[0031] The selector valve is driven so that the first sealing portion abuts against the first sealed portion to close the first passage, and then the first sealing portion further abuts against the first sealed portion through suction by the suction device; or

[0032] The selector valve is driven so that the second sealing portion abuts against the second sealed portion to close the second passage, and further the second sealing portion abuts against the second sealed portion through suction by the suction device.

[0033] By adopting the above technical solution, the present disclosure provides a self-cleaning system for a cleaning robot with a mopping function, which includes a suction device, a first cleaning fluid container, a first collecting container and a cleaning component assembled together. The cleaning component is formed with a suction port connected to the suction device. When the cleaning robot is placed on the cleaning component, the suction port is opposite to the wet cleaning member of the cleaning robot. Thus, in a state where the wet cleaning member can be wetted by the cleaning fluid from the first cleaning fluid container, the suction device is used to perform a suction operation on the wet cleaning member through the suction port. Further, the suction airflow generated by the suction device flows through the first collecting container, so that the first collecting container can collect wet dirt. In this way, when the cleaning robot is docked / placed on the cleaning component, the suction device can be used to suck and collect wet dirt such as dust and water mixed on the wet cleaning member such as a rag into the first collecting container, thereby achieving automatic cleaning of the wet cleaning member at a relatively fast speed and a good cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1A is a perspective schematic diagram showing a self-cleaning system for a cleaning robot with a mopping function according to a first embodiment of the present disclosure, wherein the cleaning robot is docked at the self-cleaning system.

[0035] Figure 1B It shows Figure 1A Schematic diagram of the topological structure of the self-cleaning system.

[0036] Figure 1C It shows Figure 1A A cross-sectional schematic diagram of the self-cleaning system in FIG.

[0037] Figure 1D It shows Figure 1A A three-dimensional schematic diagram of the local structure of the self-cleaning system.

[0038] Figure 1E It shows Figure 1D A sectional perspective schematic diagram of the structure in FIG.

[0039] Figure 1F It shows Figure 1A A schematic structural diagram of a tray of a cleaning assembly of a self-cleaning system in FIG. 1 , which mainly shows an array of suction ports, and the shape of the tray adopts another optional solution.

[0040] Figure 2A is a perspective schematic diagram showing a self-cleaning system for a cleaning robot with a mopping function according to a second embodiment of the present disclosure, wherein the cleaning robot is docked at the self-cleaning system.

[0041] Figure 2B and Figure 2C It shows Figure 2A A three-dimensional schematic diagram of the local structure of the self-cleaning system.

[0042] Figure 3 is a schematic diagram showing the topological structure of a self-cleaning system for a cleaning robot with a mopping function according to a third embodiment of the present disclosure.

[0043] Description of Reference Numerals

[0044] AC—self-cleaning system;

[0045] 1—Suction device;

[0046] 2—first passage; 2p—first interface; 2s—first sealed portion; 21—first suction

[0047] Pipeline; 22—first connecting pipeline;

[0048] 3—second passage; 3p—second interface; 3s—second sealed portion; 31—second suction

[0049] Pipeline; 32—second connecting pipeline;

[0050] 4—first collecting container; 41—first housing; 42—first filter;

[0051] 5—second collecting container; 51—second housing; 52—second filter;

[0052] 6, 6'—cleaning components;

[0053] 61—base; 62—tray; 621—first top wall; 621o—suction port; 622—first bottom wall; 623—first side wall; 63—screw; 64—nut;

[0054] 61' - base; 611' - second top wall; 611c' - groove; 611o1' - suction port;

[0055] 611o2'—injection port; 612'—second bottom wall; 613'—second side wall; 613o'—entrance port;

[0056] 7—selection valve; 71—first sealing portion; 72—second sealing portion;

[0057] 8—first cleaning fluid container; 81—first supply flow path; 82—second supply flow path;

[0058] MS—cleaning robot;

[0059] 9—Dust box;

[0060] 10—Wet cleaning parts;

[0061] 11 - Second cleaning fluid container. DETAILED DESCRIPTION

[0062] The following describes the embodiments of the present disclosure with reference to the accompanying drawings. For ease of understanding, the elements shown in the drawings may include elements whose sizes and scales are different from the actual sizes and scales.

[0063] In the present disclosure, unless otherwise specified, "front (front side)", "rear (rear side)", "left (left side)", "right (right side)", "upper (upper side)", and "lower (lower side)" are all relative to the normal operating state of the cleaning robot with mopping function according to the present disclosure. Specifically, the cleaning robot has a positive direction of movement (i.e., positive direction) when in normal operating state, and the so-called "normal operating state" refers to the moving state of the cleaning robot when performing a task, which is distinguished from the non-normal operating states such as retreat and swing of the cleaning robot in the escape mode. "Front (front side)" and "rear (rear side)" refer to the front and rear sides of the cleaning robot in the positive forward direction when the cleaning robot is in normal operating state on the surface to be cleaned, "left (left side)" and "right (right side)" refer to the left and right sides when viewed from the front side in the positive forward direction, and "upper (upper side)" and "lower (lower side)" refer to the upper and lower sides in the height direction perpendicular to the surface to be cleaned when the cleaning robot is in normal operating state on the surface to be cleaned.

[0064] In the present disclosure, the cleaning robot can move autonomously according to the control scheme preset in its processing unit, and the surface to be cleaned where the cleaning robot moves autonomously can be a plane or a curved surface with a large radius of curvature, typically, for example, the floor in each room in a building. In addition, in the present disclosure, the processing unit is a general term, and the type, quantity and form of the processing unit are not limited. Specifically, the processing unit can be one or more of MCU, DSP, FPGA, GPU, or other types of hardware chips, processors or software algorithms with data processing and computing capabilities. Further, the processing unit can be a unified and unique processor of the cleaning robot, or it can be a collection of multiple processing units, and the connection mode, function and computing power distribution of multiple processing units can be adjusted as needed. For example, in an optional scheme, a first processing unit and a second processing unit can be included. In this case, the first processing unit and the second processing unit as a whole realize the various functions of the above-mentioned processing units. In addition, the processing unit of the cleaning robot of the present disclosure can receive parameters from the sensing component, and can perform relevant control on the cleaning robot through a preset program stored in a storage unit. In the present disclosure, the data, information, and programs required by the processing unit during the processing process can be stored in the storage unit and obtained from the storage unit as needed. The processing unit can store the processed data, information, etc. in the storage unit again. The storage unit can be a RAM, ROM, etc., or a device and / or equipment with storage function such as a cloud / server / mobile terminal connected via a wired / wireless network.

[0065] The self-cleaning system for a cleaning robot with a mopping function according to the first embodiment of the present disclosure is described below in conjunction with the accompanying drawings.

[0066] like Figures 1A to 1E As shown, the self-cleaning system AC for the cleaning robot MS with mopping function according to the first embodiment of the present disclosure includes a suction device 1, a first passage 2, a first collection container 4, a cleaning component 6 and a first cleaning fluid container 8 assembled together. After cleaning the surface to be cleaned, the cleaning robot MS can autonomously move to the position where the self-cleaning system AC is located and dock to the self-cleaning system AC in a predetermined posture, so that the self-cleaning system AC can automatically clean the wet dirt of the wet cleaning parts (such as rags) 10 of the cleaning robot MS.

[0067] In this embodiment, if Figures 1A to 1C As shown, the suction device 1 may include a motor and a suction pump connected in a transmission manner. When the motor is powered on, it can drive the suction pump to perform a suction operation, and a typical example of the suction pump is a vacuum pump.

[0068] In this embodiment, if Figures 1A to 1CAs shown, the first passage 2 can be formed by a pipe with a rectangular cross-section through multiple bends. The first end of the first passage 2 is connected to the suction device 1, and the second end of the first passage 2 is formed as a first interface 2p, and the first interface 2p is connected to the suction port 621o of the tray 62 of the cleaning assembly 6, so that the suction device 1 can be used to suction through the suction port 621o, and then the mop is cleaned. Further, the first passage 2 includes a first suction pipeline 21 and a first connecting pipeline 22, the first end of the first suction pipeline 21 (that is, the first end of the first passage 2) is connected to the suction device 1 and the second end extends into the first shell 41 of the first collecting container 4, the first end of the first connecting pipeline 22 extends into the first shell 41 of the first collecting container 4 and the second end (that is, the second end of the first passage 2) is formed as a first interface 2p. As shown Figure 1B and Figure 1C As shown, the opening of the second end of the first suction pipeline 21 and the opening of the first end of the first connecting pipeline 22 are open in opposite directions, and the opening of the second end of the first suction pipeline 21 and the opening of the first end of the first connecting pipeline 22 are always located at a position higher than the liquid level in the first shell 41. In addition, the opening of the second end of the first suction pipeline 21 is always located at a position higher than the opening of the first end of the first connecting pipeline 22. During the suction process, since the opening (inlet) of the second end of the first suction pipeline 21 is higher, it is not easy for water vapor to enter the suction device 1 from the opening. Therefore, the greater the difference in height between the openings of the first suction pipeline 21 and the first connecting pipeline 22 in the first shell 41, the better the effect. In addition, the first filter 42 of the first collecting container 4 is arranged in the first suction pipeline 21. In this way, not only the first suction pipeline 21 and the first connecting pipeline 22 are connected to each other via the first collecting container 4, but also it is beneficial to collect all wet dirt in the airflow flowing through the first collecting container 4 into the first collecting container 4, and it can fully prevent wet dirt and excessive humid air from entering the first suction pipeline 21, thereby reducing the risk of failure of the suction device 1.

[0069] In this embodiment, if Figures 1A to 1CAs shown, the first collecting container 4 is used to collect wet dirt and is arranged in the first passage 2. The airflow entering the first passage 2 through the first interface 2p flows through the first collecting container 4 by the suction of the suction device 1. The first collecting container 4 includes a first shell 41 and a first filter 42. The first filter 42 can be a sponge block, and the first filter 42 mainly prevents wet dirt and excessive humid air from entering the suction device 1 through the first passage 2. The first filter 42 is not only arranged in the first shell 41, but also filled in the first suction pipeline 21. Further, in conjunction with the relative positional relationship between the second end of the first suction pipeline 21 and the first end of the first connecting pipeline 22 described above, all wet dirt in the airflow flowing through the first collecting container 4 can be collected in the first shell 41 of the first collecting container 4, which is conducive to the wet dirt and sewage entering the first collecting container 4 settling to the bottom, reducing the risk of them being sucked into the first suction pipeline 31.

[0070] In this embodiment, if Figure 1A , 1D and Figure 1E As shown, the cleaning assembly 6 includes a base 61, a tray 62 and a power assembly, and the tray 62 is arranged on the base 61 in a manner that it can move relative to the base 61 through the power assembly. The tray 62 is formed with a suction port 621o connected to the first interface 2p of the first passage 2, so that the suction device 1 can perform a suction operation through the suction port 621o.

[0071] like Figure 1D and Figure 1E As shown, the base 61 is formed into a concave shape that is open toward the upper side. The tray 62 has a first top wall 621, a first bottom wall 622, and a first side wall 623, and the first top wall 621, the first bottom wall 622, and the first side wall 623 surround and form a hollow cavity. When the self-cleaning system AC is placed on a horizontal plane and installed in place, the first top wall 621 is arranged along the horizontal plane. Figure 1F, a plurality of suction ports 621o are formed in the first top wall 621, and the plurality of suction ports 621o are arranged in an array on the first top wall 621, and the overall shape formed by the array can be similar to the shape of the wet cleaning member 10. The first interface 2p of the first passage 2 is connected to the hollow cavity of the tray 62 via the interface formed by the first side wall 623, so that the suction device can provide negative pressure to the suction port 621o via the first interface 2p, the interface of the first side wall 623 and the hollow cavity of the tray 62. In this way, the wet dirt sucked from the wet cleaning member 10 can be smoothly sucked into the first passage 2 via the suction port 621o, the interface of the first side wall 623 of the hollow cavity of the tray 62 and the first interface 2p, and then enter the first collection container 4. In addition, the first bottom wall 622 is arranged tilted toward the first interface 2p relative to the horizontal plane, which can reduce the probability of the generated sewage remaining in the hollow cavity of the tray 62 as much as possible.

[0072] like Figure 1D and Figure 1E As shown, the power assembly includes a power source, a lead screw 63 and a nut 64. The power source can be a driving motor. The lead screw 63 is mounted on the base 61 and can rotate relative to the base 61, and the nut 64 is fixed to the first bottom wall 623 of the tray 62 and is threadedly connected with the lead screw 63. The power source can drive the lead screw 63 to rotate, so that the nut 64 drives the tray 62 to perform reciprocating linear relative motion relative to the base 61. It can be understood that the lead screw 63 with different lead pitches can be selected as needed, so that the relative motion relationship between the rotation of the lead screw 63 and the nut 64 can be adjusted. Thus, the cleaning assembly is realized to perform stable reciprocating linear motion relative to the base 61 with a relatively simple structure, so that the suction port 621o and the wet cleaning member 10 produce relative motion. In this way, the suction port 621o can be opposite to as many parts of the wet cleaning element 10 as possible, thereby improving the cleaning effect of the wet cleaning element 10. At the same time, the edge of the suction port 621o and the wet cleaning element 10 can scrape left and right, which can also enhance the cleaning of the wet cleaning element 10 such as a mop from a physical effect.

[0073] In this embodiment, the cleaning component 6 having the above-mentioned structure is conducive to the adaptation of the self-cleaning system AC to the wet cleaning element 10 such as a flat rag of the cleaning robot MS, and the suction effect of the suction device 1 can clean the wet dirt on the flat rag as fully as possible.

[0074] In another embodiment, the wet cleaning parts on some cleaning robots (mopping machines) can utilize the structure of the cleaning robot itself to achieve vibration to enhance the mopping effect. In this case, the power component can be omitted based on the above embodiment and only a fixed tray is required to clean the wet cleaning parts.

[0075] In this embodiment, if Figures 1A to 1CAs shown, the first cleaning fluid container 8 stores cleaning fluid inside. The self-cleaning system AC includes a first supply flow path 81 connected to the first cleaning fluid container 8. The first supply flow path 81 is used to connect to the second cleaning fluid container 11 of the cleaning robot MS when the cleaning robot MS is placed on the cleaning assembly 6, so that the cleaning fluid from the first cleaning fluid container 8 can flow into the second cleaning fluid container 11 to wet the wet cleaning element 10. In this way, on the one hand, the cleaning fluid in the first cleaning fluid container 8 can be used to supplement the cleaning fluid in the second cleaning fluid container 11 of the cleaning robot MS; on the other hand, the cleaning fluid supplemented to the second cleaning fluid container 11 can be used to wet the wet cleaning element 10, thereby simplifying the structure for achieving wetting.

[0076] By adopting the above scheme, when the cleaning robot MS is placed on the cleaning assembly 6, the suction port 621o is opposite to the wet cleaning member 10 of the cleaning robot MS, so that when the wet cleaning member 10 can be wetted by the cleaning fluid from the first cleaning fluid container 8, the suction device 1 is used to perform a suction operation on the wet cleaning member 10 through the suction port 621o, and the suction airflow generated by the suction device 1 flows through the first collection container 4. Furthermore, the suction device 1 can be used to suck and collect wet dirt such as dust and water mixed with the wet cleaning member 10 such as a rag into the first collection container 4, thereby achieving automatic cleaning of the wet cleaning member 10 at a relatively fast speed and a good cleaning effect.

[0077] The self-cleaning system for a cleaning robot with a mopping function according to the second embodiment of the present disclosure is described below in conjunction with the accompanying drawings.

[0078] like FIG. 2A to FIG. 2C As shown, the structure of the self-cleaning system for a cleaning robot with a mopping function according to the second embodiment of the present disclosure is basically the same as the structure of the self-cleaning system for a cleaning robot with a mopping function according to the first embodiment of the present disclosure, and the differences between the two are mainly described below.

[0079] In this embodiment, if FIG. 2A to FIG. 2C As shown, the cleaning assembly 6' includes a base 61', and the base 61' is connected to the first interface 2p of the first passage 2. The base 61' is formed with two circular grooves 611c', and the base 61' is formed with a suction port 611o1' at the bottom of each groove 611c', so that the suction device 1 can be used to perform suction through the suction port 611o1'. In addition, the base 61' is also formed with an injection port 611o2' spaced apart from the suction port 611o1' at the bottom of each groove 611c', and the base 61' can supply a cleaning fluid through the injection port 611o2'.

[0080] Furthermore, if Figure 2B and Figure 2C As shown, the base 61' has a second top wall 611', a second bottom wall 612' and a second side wall 613', and the second top wall 611', the second bottom wall 612' and the second side wall 613' surround and form a hollow cavity. The above-mentioned groove 611c', the suction port 611o1' and the injection port 611o2' are formed on the second top wall 611'. When the self-cleaning system AC is placed on a horizontal plane and installed in place, the second top wall 611' is arranged along the horizontal plane, the first interface 2p is connected to the hollow cavity of the base 61' via the interface of the second side wall 613', and the suction device 1 is connected to the suction port 611o1' via the first interface 2p, the interface of the second side wall 613' and the hollow cavity of the base 61', thereby providing negative pressure for the suction port 621o. In addition, the second bottom wall 612' is arranged tilted toward the first interface 2p relative to the horizontal plane. By adopting the above solution, the wet dirt sucked from the wet cleaning member 10 can be smoothly sucked into the first passage 2 through the suction port 611o1', the hollow cavity of the base 61', the interface of the second side wall 613' and the first interface 2p, and then enter the first collection container 4. In addition, the probability of the generated sewage remaining in the hollow cavity of the base 61' can be reduced as much as possible.

[0081] Furthermore, if Figure 2B and Figure 2C As shown, the second side wall 613' is also formed with an inlet 613o' for the cleaning fluid to enter, and the cleaning fluid entering the base 61' through the inlet 613o' can reach the injection port 611o2' after passing through a predetermined flow path. In addition, by utilizing the function of the cleaning robot MS itself, the wet cleaning member 10 can be rotated in the groove 611c', so that all parts of the wet cleaning member 10 can be opposite to the suction port 611o1' and the injection port 611o2'.

[0082] In this embodiment, the cleaning component 6' having the above-mentioned structure is conducive to the adaptation of the self-cleaning system AC and other types of wet cleaning parts 10 of the cleaning robot MS, such as rotating rags, etc., and the suction action of the suction device 1 can clean the wet dirt of the wet cleaning part 10 located in the groove 611c' as fully as possible.

[0083] In this embodiment, if Figures 1A to 1CAs shown, the first cleaning fluid container 8 stores cleaning fluid inside. The self-cleaning system AC includes a first supply flow path 81 and a second supply flow path 82 connected to the first cleaning fluid container 8. The first supply flow path 81 is used to connect to the second cleaning fluid container 11 of the cleaning robot MS when the cleaning robot MS is placed on the cleaning assembly 6, so that the cleaning fluid from the first cleaning fluid container 8 can flow into the second cleaning fluid container 11 and then wet the wet cleaning member 10. The second supply flow path 82 is connected to the inlet 613o' of the second side wall 613', and then connected to the injection port 611o2' through the hollow cavity of the base 61', so that the cleaning fluid from the first cleaning fluid container 8 wets the wet cleaning member 10 through the injection port 611o2'. In this way, on the one hand, the cleaning fluid in the first cleaning fluid container 8 can be used to supplement the cleaning fluid in the second cleaning fluid container 11 of the cleaning robot MS; on the other hand, the cleaning fluid in the first cleaning fluid container 8 can also be used to wet the wet cleaning member 10.

[0084] The self-cleaning system for a cleaning robot with a mopping function according to the third embodiment of the present disclosure is described below in conjunction with the accompanying drawings.

[0085] like Figure 3 As shown, the structure of the self-cleaning system for a cleaning robot with a mopping function according to the third embodiment of the present disclosure is basically the same as the structure of the self-cleaning system for a cleaning robot with a mopping function according to the first embodiment of the present disclosure, and the differences between the two are mainly described below.

[0086] In this embodiment, if Figure 3As shown, the self-cleaning system includes a second passage 3 and a second collection container 5 in addition to the first passage 2 and the first collection container 4. The second passage 3 can be formed by a pipe with a rectangular cross section through multiple bends. The first end of the second passage 3 is connected to the suction device 1, and the second end of the second passage 3 is formed as a second interface 3p, which is used to be connected to the discharge port of the dust box 9 of the cleaning robot MS. Further, the second passage 3 includes a second suction pipeline 31 and a second connecting pipeline 32, the first end of the second suction pipeline 31 (that is, the first end of the second passage 3) is connected to the suction device 1 and the second end is connected to the second shell 51 of the second collection container 5. The first end of the second connecting pipeline 32 is connected to the second shell 51 of the second collection container 5 and the second end (that is, the second end of the second passage 3) is formed as a second interface 3p. The second suction pipeline 31 and the second connecting pipeline 32 are both connected to the second shell 51 of the second collection container 5, so that the opening of the second end of the second suction pipeline 31 and the opening of the first end of the second connecting pipeline 32 are configured in a manner separated by the second filter 52 of the second collection container 5. In this way, not only the second suction pipeline 31 and the second connecting pipeline 32 are connected to each other via the second collecting container 4 , but also all dry dirt in the airflow flowing through the second collecting container 5 is collected into the second collecting container 5 .

[0087] In this embodiment, if Figure 3 As shown, the second collection container 5 is used to collect dry dirt and is arranged in the second passage 3. The airflow entering the second passage 3 through the second interface 3p flows through the second collection container 5 by suction of the suction device 1. The second collection container 5 includes a second shell 51 and a second filter 52. The second filter 52 can be a filter net capable of collecting dry dirt such as fine dust and hair, and the second filter 52 is arranged in the second shell 51 and the shape and size of the second filter 52 are configured to match the shape and size of the cross section of the second shell 51. As described above, the second suction pipeline 31 and the second connecting pipeline 32 of the second passage 3 are both connected to the second shell 51 of the second collection container 5, and the opening of the first end of the second suction pipeline 31 and the opening of the second end of the second connecting pipeline 32 are configured in a manner separated by the second filter 52. As a result, all dry dirt in the airflow flowing through the second collection container 5 can be collected into the second shell 51 of the second collection container 5 mainly by the second filter 52.

[0088] In this embodiment, if Figure 3As shown, the selection valve 7 is arranged in the first passage 2 and the second passage 3, and is used to selectively conduct the first passage 2 and the second passage 3 in a selective manner or to conduct the first passage 2 and the second passage 3 at the same time. Further, the selection valve 7 is installed in the first passage 2 and the second passage 3 and can rotate relative to the first passage 2 and the second passage 3, and the selection valve 7 includes a first sealing portion 71 and a second sealing portion 72. During the rotation of the selection valve 7, the first sealing portion 71 can abut against the first sealed portion 2s in the first passage 2 to close the first passage 2, and the second sealing portion 72 can abut against the second sealed portion 3s in the second passage 3 to close the second passage 3. Further, at a portion of the first suction pipeline 21 close to the suction device 1, the first sealed portion 2s is formed on the side wall of the first passage 2 and protrudes toward the inside of the first passage 2. The selection valve 7 is driven so that the first sealing portion 71 abuts against the first sealed portion 2s, which can close the first passage 2, and then the first sealing portion 71 further abuts against the first sealed portion 2s through the suction of the suction device 1. Thus, when the first passage 2 is closed, the suction effect of the suction device 1 is used to form a negative pressure inside the passage, and the first sealing portion 71 is further closely abutted against the first sealed portion 2s to form a better sealing state, so that the first passage 2 can be more reliably closed. In the part of the second suction pipeline 31 close to the suction device 1, the second sealed portion 3s is formed on the side wall of the second passage 3 and protrudes toward the inside of the second passage 3. The selection valve 7 is driven to make the second sealing portion 72 abut against the second sealed portion 3s, so that the second passage 3 can be closed, and then the second sealing portion 72 is further abutted against the second sealed portion 3s through the suction of the suction device 1. Thus, when the second passage 3 is closed, the suction effect of the suction device 1 is used to form a negative pressure inside the passage, and the second sealing portion 72 is further closely abutted against the second sealed portion 3s to form a better sealing state, so that the second passage 3 can be more reliably closed. When the suction device 1 is working, under the action of the selection valve 7, on the one hand, negative pressure can be generated in the first suction pipeline 21, the first connecting pipeline 22, the first collecting container 4 and the cleaning assembly 6, so that the waste of the wet cleaning element 10 is sucked into the first shell 41 of the first collecting container 4, and is intercepted by the first filter 42 and remains in the first shell 41; on the other hand, negative pressure can be generated in the second suction pipeline 31, the second connecting pipeline 32, the second collecting container 5 and the dust box 9. The waste in the dust box 9 is sucked into the first shell 51 of the second collecting container 5, and is intercepted by the second filter 52 and remains in the second shell 51.

[0089] Thus, in addition to realizing the mode of sucking dry dirt and wet dirt at the same time (the selection valve 7 does not close the first passage 2 nor the second passage 3), when only one of the first passage 2 and the second passage 3 is connected, it is possible to selectively suck wet dirt and dry dirt. In addition, when the suction effect of the suction device 1 only acts on a single passage, a motor with a lower power can be used to better close one passage and form a larger negative pressure in the other passage. In this way, the ideal suction cleaning effect can be achieved by using a suction device 1 with a lower power, which is conducive to further reducing the cost of the suction device 1 and the entire system. Moreover, realizing multiple working modes through a suction device 1 can simplify the system structure and reduce costs.

[0090] By adopting the above scheme, when the dust box 9 of the cleaning robot MS is connected to the first interface 2p and the wet cleaning member 10 such as a rag is placed on the cleaning assembly 6, the same suction device 1 can be used to, on the one hand, suck dry dirt such as dust in the dust box 9 into the first collection container 4, thereby cleaning the dust box 9; on the other hand, wet dirt such as a mixture of dust and water attached to the wet cleaning member 10 can be sucked into the second collection container 5, thereby cleaning the wet cleaning member 10 and making the wet cleaning member 10 dry faster. Thus, a self-cleaning system AC with a simple structure and low cost for automatically cleaning dry and wet dirt is realized.

[0091] In addition, the cleaning robot MS with a mopping function that cooperates with the self-cleaning system AC described in the above embodiment is a self-moving cleaning device with a wet cleaning component, or a self-moving cleaning device with a wet cleaning component and a dry cleaning component. Taking the latter as an example to illustrate its structure, the cleaning robot MS includes a main body, a wheel component, a dry cleaning component, and a wet cleaning component assembled together.

[0092] In this embodiment, the main body may include a housing having a generally cylindrical shape as a whole. The shape of the housing is not limited thereto, and in other optional schemes, the housing may also have other shapes, such as a D-shape, an ellipse, a square, etc. When the cleaning robot MS is in a normal operating state, the bottom surface of the housing is opposite to the surface to be cleaned, and the bottom surface of the housing is parallel to the surface to be cleaned. Here, "parallel" not only includes that the bottom surface of the housing and the surface to be cleaned have a geometric parallel relationship, but also includes the situation that the two are roughly parallel. The above "roughly" means that within the reasonable error range recognized by those skilled in the art, it can be determined that the parallel relationship between the two is established. In addition, other components of the cleaning robot MS can be arranged in the housing, and in order to support and protect other components, most of the structures of the cleaning robot MS are installed inside or on the surface of the housing, or have a connection relationship with the housing. The cleaning robot MS may also be provided with a processing unit and a sensing component in the housing. The processing unit can obtain environmental parameters through the sensing component, and the processing unit can control the wheel component to drive the entire autonomous mobile device to move autonomously on the surface to be cleaned based on the environmental parameters obtained, and then in this process, the dry cleaning component and the wet cleaning component are used to clean the surface to be cleaned. In different working modes, cleaning operations include but are not limited to one or more of sweeping, mopping, vacuuming, and the like.

[0093] Further, the two wheel assemblies are located at the left and right sides of the main body and arranged side by side, and the two wheel assemblies are located in the middle of the main body in the front-to-back direction. Each wheel assembly may include a travel motor and a wheel assembled together. The wheel axle of the wheel is connected to the travel motor in a transmission manner so that the torque from the travel motor can be transmitted to the wheel via the reduction mechanism to drive the wheel to rotate with the wheel axle as the rotation center. It can be understood that the wheel always extends relative to the bottom surface of the housing so as to roll in contact with the surface to be cleaned, so that the wheel assembly can drive the entire cleaning robot MS to move on the surface to be cleaned under the control of the processing unit. In addition, by rotating the wheels (main drive wheels) of the two wheel assemblies in the same direction at the same speed (for example, rotating clockwise or counterclockwise at the same time), the autonomous mobile device can be driven to move in a straight line along the forward direction; by rotating the drive wheels of the two wheel assemblies at different speeds and / or different directions (for example, one drive wheel rotates clockwise and the other drive wheel rotates counterclockwise), the cleaning robot MS can be driven to turn in a direction different from the forward direction. In addition, the cleaning robot MS is also provided with universal wheels, so no matter how the driving wheels roll on the surface to be cleaned, the universal wheels can support the entire autonomous moving device.

[0094] Furthermore, if Figure 1D and Figure 1EAs shown, the dry cleaning assembly includes a dust box 9. The dust box 9 is formed with a first docking interface, and the first docking interface can be connected to the second interface 3p. Thus, the dust box 9 is sucked by the suction device 1 via the second interface 3p and the first docking interface, and then the dry dirt is sucked and collected into the second collection container 5. The wet cleaning assembly includes a wet cleaning piece 10 such as a rag and a second cleaning fluid container 11, and the wet cleaning piece 10 is located at the bottom of the dust box 9 and the wet cleaning piece 10 can be cleaned by the cleaning components 6, 6'. The second cleaning fluid container 11 can contain a cleaning fluid and the second cleaning fluid container 11 is formed with a drain corresponding to the wet cleaning piece 10. Thus, the wet cleaning assembly is sucked by the suction device 1 via the cleaning components 6, 6', and then the wet dirt is sucked and collected into the first collection container 4, and optionally, the wet cleaning piece 10 can also be dried faster.

[0095] The following describes the working method of the self-cleaning system AC according to the present disclosure, which includes a wetting step and a suction step. In the wetting step, the wet cleaning member 10 of the cleaning robot MS placed on the cleaning assembly 6, 6' is wetted with a cleaning fluid. In the suction step, the wet cleaning member 10 is suctioned while the wet cleaning member 10 is wetted, so as to remove the fluid and dirt in the wet cleaning member 10 at the same time by suction. In this way, by using the above working method, when the cleaning robot is docked / placed on the cleaning assembly, the suction device can be used to remove wet dirt such as dust and water adhering to the wet cleaning member such as a rag, thereby achieving automatic cleaning of the wet cleaning member at a relatively fast speed and with a good cleaning effect.

[0096] Furthermore, in the suction step, the wet cleaning element 10 is moved relative to the suction ports 621o and 611o1', so that different parts of the wet cleaning element 10 can be sucked through the suction ports 621o and 611o1'. In this way, the cleaning effect can be further improved.

[0097] It can be understood that in the above working method, the wetting step and the suction step can be performed simultaneously, or the wetting step can be performed first and then the suction step.

[0098] It should be understood that the above embodiments are merely exemplary and are not intended to limit the present disclosure. Those skilled in the art may make various modifications and changes to the above embodiments under the guidance of the present disclosure without departing from the scope of the present disclosure. The following supplementary explanation is provided for the technical solution of the present disclosure.

[0099] i. In a variation of the first embodiment, the number of the plurality of suction ports 621o and the arrangement of the array can be adjusted as needed so that the plurality of suction ports 621o can be opposite to as many parts of the wet cleaning element 10 as possible during the relative movement of the tray 62 relative to the base 61.

[0100] ii. In a variation of the first embodiment, the tray 62 may be formed with a plurality of limiting columns, thereby being able to limit the relative movement range of the tray 62 relative to the base 61 .

[0101] iii. In the third embodiment, in order to facilitate the arrangement of the selection valve 7 in the first passage 2 and the second passage 3, a common part of the two passages 2 and 3 is formed at the position of the first passage 2 and the second passage 3 close to the suction device 1, and the first passage 2 and the second passage 3 are connected to each other at the common part. The selection valve 7 can be driven by an additional motor to achieve different gears, so that the first passage 2 and the second passage 3 can achieve different conduction states as described above. In other variations, the first passage 2 and the second passage 3 may not form a common part, that is, the first passage 2 and the second passage 3 are independent of each other. Correspondingly, the selection valve 7 can be arranged in the first passage 2 and the second passage 3 in the form of a component. For example, the selection valve 7 may include a first valve core extending into the first passage 2 and a second valve core extending into the second passage 3. The same effect can be achieved by controlling the first valve core and the second valve core.

Claims

1. A self-cleaning system for a cleaning robot with a mopping function, characterized in that: include: Suction device; A first cleaning fluid container storing a cleaning fluid therein; a first collecting container for collecting wet dirt; as well as A cleaning component is formed with a suction port connected to the suction device. When the cleaning robot is placed on the cleaning component, the suction port is opposite to the wet cleaning piece of the cleaning robot, so that when the wet cleaning piece can be moistened by the cleaning fluid from the first cleaning fluid container, the suction device is used to perform suction on the wet cleaning piece through the suction port, and the suction airflow generated by the suction device flows through the first collection container.

2. The self-cleaning system for a cleaning robot with a mopping function according to claim 1, characterized in that: The cleaning assembly includes a base, a tray and a power assembly, wherein the tray is arranged on the base in a manner capable of relative movement relative to the base, and the suction port is formed on the tray. When the cleaning robot is placed on the tray, the wet cleaning piece is positioned on the tray, and the tray and the wet cleaning piece are enabled to generate relative movement through the power assembly, and the suction port is used to suction different parts of the wet cleaning piece by utilizing the relative movement.

3. The self-cleaning system for a cleaning robot with a mopping function according to claim 2, characterized in that: The power assembly includes a power source, a lead screw and a nut. The lead screw is installed on the base and can rotate relative to the base. The nut is fixed to the tray and threadedly connected to the lead screw. The power source can drive the lead screw to rotate, so that the nut drives the tray to perform reciprocating linear motion relative to the base.

4. The self-cleaning system for a cleaning robot with a mopping function according to claim 3, characterized in that: A hollow cavity is formed inside the tray, and an interface communicating with the hollow cavity is formed on the tray. The suction device is communicated with the hollow cavity via the interface to provide negative pressure for the suction port.

5. The self-cleaning system for a cleaning robot with a mopping function according to claim 4, characterized in that: The plurality of suction ports are arranged in an array.

6. The self-cleaning system for a cleaning robot with a mopping function according to any one of claims 1 to 5, characterized in that: The self-cleaning system includes a first supply flow path connected to the first cleaning fluid container, and the first supply flow path is used to connect to the second cleaning fluid container of the cleaning robot when the cleaning robot is loaded on the cleaning component, so that the cleaning fluid from the first cleaning fluid container can flow into the second cleaning fluid container and re-wet the wet cleaning parts.

7. The self-cleaning system for a cleaning robot with a mopping function according to claim 1, characterized in that: The cleaning assembly includes a base, and at least one groove is formed on the top of the base. When the cleaning robot is placed on the cleaning assembly, the wet cleaning element is at least partially received in the corresponding groove. The suction port is formed at the bottom of the groove, and the base is formed with an injection port at the bottom of the groove, the base can be supplied with cleaning liquid through the injection port, and the injection port and the suction port are spaced apart from each other, The interior of the base is formed as a hollow cavity, and the base is formed with an interface connected with the hollow cavity, and the suction device is connected with the hollow cavity via the interface to provide negative pressure for the suction port.

8. The self-cleaning system for a cleaning robot with a mopping function according to claim 7, characterized in that: The self-cleaning system includes a first supply flow path and a second supply flow path connected to the first cleaning fluid container, The first supply flow path is used to connect to the second cleaning fluid container of the cleaning robot when the cleaning robot is placed on the cleaning assembly, and The second supply flow path is connected to the injection port, so that the cleaning fluid from the first cleaning fluid container wets the wet cleaning member through the injection port.

9. The self-cleaning system for a cleaning robot with a mopping function according to any one of claims 1 to 5, characterized in that: The first collecting container includes a first shell and a first filter, wherein the first filter is disposed in the first shell. The self-cleaning system also includes a first passage, which includes a first suction pipeline and a first connecting pipeline. The first end of the first suction pipeline is connected to the suction device and the second end extends into the first shell. The first end of the first connecting pipeline extends into the first shell and the second end is used to be connected to the cleaning robot. The first filter is arranged in the first suction pipeline.

10. The self-cleaning system for a cleaning robot with a mopping function according to claim 9, characterized in that: The opening of the second end of the first suction pipeline and the opening of the first end of the first connecting pipeline are open in opposite directions, and the opening of the second end of the first suction pipeline and the opening of the first end of the first connecting pipeline are always located at a position higher than the liquid level in the first shell.

11. The self-cleaning system for a cleaning robot with a mopping function according to claim 9, characterized in that: Also includes a second passage and a second collection container, The second collection container includes a second housing and a second filter, the second filter is disposed in the second housing, and The second passage includes a second suction pipeline and a second connecting pipeline, the first end of the second suction pipeline is connected to the suction device and the second end is connected to the second shell, the first end of the second connecting pipeline is connected to the second shell and the second end is used to connect to the cleaning robot, and the opening of the second end of the second suction pipeline and the opening of the first end of the second connecting pipeline are configured in a manner separated by the second filter.

12. The self-cleaning system for a cleaning robot with mopping function according to claim 11, characterized in that: The device also includes a selection valve, which is disposed in the first passage and the second passage and is used to selectively open the first passage and the second passage in an alternative manner or to enable the first passage and the second passage to be opened simultaneously.

13. The self-cleaning system for a cleaning robot with mopping function according to claim 12, characterized in that: The first passage has a first sealed portion formed on its side wall, the second passage has a second sealed portion formed on its side wall, and the selector valve includes a first sealing portion and a second sealing portion. The selector valve is driven so that the first sealing portion abuts against the first sealed portion to close the first passage, and then the first sealing portion is further abutted against the first sealed portion through suction by the suction device; or The selector valve is driven so that the second sealing portion abuts against the second sealed portion to close the second passage, and further the second sealing portion abuts against the second sealed portion through suction by the suction device.

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