Control method of cleaning equipment and cleaning equipment

Abstract

The invention provides a control method of cleaning equipment and the cleaning equipment. The cleaning equipment comprises a conveying assembly, a connecting assembly communicating with the conveying assembly, a first output assembly communicating with the connecting assembly and a control device. The control device can control the conveying assembly to convey cleaning media in one or a combined state of clean water, cleaning liquid and gas to the first output assembly through the connecting assembly. The control method comprises the steps of executing a cleaning mode in response to starting operation of the cleaning mode; when the cleaning mode indicates that the first output assembly outputs foam, the airflow is controlled to empty residual liquid in the connecting assembly, then the connecting assembly is controlled to be communicated with the first output assembly, and the conveying assembly is controlled to start to output foam to the first output assembly. According to the control method provided by the invention, residual liquid can be prevented from flowing out when the cleaning equipment outputs foam, so that the user experience is improved.

Description

Technical Field

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

[0002] With the development of technology and social progress, more and more families begin to use cleaning equipment such as vacuum cleaners, fabric cleaning machines, carpet cleaning machines, floor sweeping machines or floor washing machines to improve the efficiency and quality of household cleaning.

[0003] Generally, a cleaning equipment is provided with an output component for outputting cleaning media such as clean water or foam. However, in the related art, when the output component outputs foam, the residual liquid in the pipeline will be ejected first before the foam can be output, the foam output process is not perfect, and it will also cause a poor user experience. Summary of the Invention

[0004] The present application provides a control method for a cleaning equipment and a cleaning equipment, which can avoid the outflow of residual liquid when the output component outputs foam, thereby improving the user experience.

[0005] Specifically, the present application is implemented by the following technical solutions:

[0006] According to the first aspect of the embodiments of the present application, the present application provides a control method for a cleaning equipment. The cleaning equipment includes a conveying component, a connecting component communicated with the conveying component, a first output component communicated with the connecting component, and a control device. The control device can control the conveying component to convey a cleaning medium in a state of one or a combination of clean water, cleaning liquid and gas to the first output component through the connecting component. The control method includes: in response to the start operation of the cleaning mode, executing the cleaning mode; when the cleaning mode indicates that the first output component outputs foam, controlling the air flow to drain the residual liquid in the connecting component, then controlling the connecting component to be conducted with the first output component, and controlling the conveying component to start outputting foam to the first output component.

[0007] According to the second aspect of the embodiments of the present application, the present application provides a control method for a cleaning equipment. The cleaning equipment includes a conveying component, a connecting component communicated with the conveying component, at least two output components communicated with the connecting component, and a control device. The control device can control the conveying component to convey a cleaning medium to at least one of the at least two output components through the connecting component. The cleaning medium includes one or a combination of clean water, cleaning liquid and gas. The control method includes: in response to the start operation of the cleaning mode, executing the cleaning mode; when the cleaning mode indicates that a target output component among the at least two output components outputs foam, controlling the connecting component to be disconnected from the target output component and conducted with a non-target output component until a third preset condition is met, then controlling the connecting component to be conducted with the target output component, and controlling the conveying component to start outputting foam to the target output component.

[0008] According to a third aspect of the embodiments of the present application, the present application provides a cleaning device, including a conveying component, a connecting component communicating with the conveying component, at least one output component communicating with the connecting component, and a control device, where the control device is used to implement any of the above control methods. The control device can also control the conveying component to convey a cleaning medium to at least one output component through the connecting component.

[0009] The technical solutions provided by the embodiments of the present application at least include the following beneficial effects:

[0010] The cleaning device provided by the present application can output a cleaning medium through the first output component, and the cleaning medium includes one or a combined state of clean water, cleaning liquid, and gas, so that the cleaning device has multiple cleaning modes. The control method of the cleaning device provided by the present application can respond to the start operation of the cleaning mode and execute the cleaning mode. When the cleaning mode instructs the first output component to output foam, the control method can control the air flow to drain the residual liquid in the connecting component before the connecting component and the first output component are conducted. After the residual liquid in the connecting component is drained, the control method can control the connecting component and the first output component to be conducted, and control the conveying component to start outputting foam to the first output component.

[0011] In this way, when the control method of the cleaning device provided by the present application outputs foam, it can drain the residual liquid in the pipeline first and then conduct it with the corresponding output component, so that the corresponding output component can directly output foam and no residual liquid will flow out, ensuring that the foam is directly output in a high-purity state, thereby improving the user experience.

[0012] In addition, the cleaning device provided by the present application is not limited to cleaning devices such as floor scrubbers, fabric cleaning machines, or carpet cleaning machines, and the present application does not make any restrictions.

[0013] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application.

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1Schematic structural diagram of a cleaning device according to an embodiment of the present application.

[0017] Figure 2 is Figure 1 Schematic structural diagram of the assembly of the housing assembly and the cleaning brush of the cleaning device shown.

[0018] Figure 3 Schematic internal structural diagram of the cleaning device provided by the present application in one embodiment.

[0019] Figure 4 is Figure 3 Schematic structural principle diagram of the cleaning device shown executing the cleaning mode.

[0020] Reference numerals:

[0021] 1 - Cleaning device; 10 - Floor brush device; 11 - Water pump; 12 - Cleaning liquid pump; 13 - Air pump; 14 - Connection assembly; 141 - Directional valve; 142 - Pipe fitting; 15 - First output assembly; 16 - Foam generator; 17 - Second output assembly; 18 - Cleaning brush; 19 - Housing assembly; 20 - Main body device; 30 - Water tank; 40 - Cleaning liquid tank. Detailed implementation manners

[0022] Here, the technical solutions in the embodiments (or "implementation manners") of the present application will be clearly and completely described in conjunction with the accompanying drawings. When the following description involves the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0023] If there are terms related to directional indications or positional relationships in the embodiments of the present application (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, height, counterclockwise, clockwise, axial, radial, circumferential, etc.), then such terms are only used to explain the relative positional relationships and movement conditions between components in a specific posture (as shown in the accompanying drawings). If this specific posture changes, then the directional indication or positional relationship will also change accordingly. In addition, the terms "first", "second", etc. involved in the embodiments of the present application are only for the purpose of convenient description and cannot be understood as indicating or implying relative importance.

[0024] With the development of technology and social progress, more and more families begin to use cleaning devices such as fabric cleaning machines, carpet cleaning machines or floor washing machines to improve the efficiency and quality of household cleaning. Currently, there are many brands of cleaning devices available for consumers to choose from in the market. How to gain the favor of consumers and enhance product competitiveness is an issue that cleaning device manufacturers pay more and more attention to.

[0025] Taking a floor washer as an example, a floor washer is a common cleaning device. Users can move the floor washer on the ground by hand and use the floor brush of the floor washer to clean the dirt on the ground. Usually, there are different degrees of dirt on the ground, including easily cleanable light dirt such as dust, hair or sweat stains, and also stubborn dirt that is more difficult to clean, such as oil stains, water scale or mold. Therefore, in the related art, the floor washer usually has an output component (such as a nozzle or a water spraying plate, etc.) for outputting cleaning media such as clean water, cleaning liquid or foam, so that the floor washer can provide and output a variety of cleaning media to deal with different degrees of dirt cleaning.

[0026] In the related art, when the floor washer starts the cleaning mode by default, it will spray clean water, and only when the user operates to output foam will it output foam. When there is a shared part between the water outlet pipeline and the foam output pipeline of the floor washer, it often causes the output component to first spray out the residual liquid in the water output state before it can output foam when outputting foam, resulting in a poor user experience.

[0027] Based on this, the present application provides a control method for a cleaning device, which can avoid the output component from flowing out the residual liquid when outputting foam, thereby improving the user experience.

[0028] To facilitate understanding of the control method of the cleaning device 1 provided by the present application, the cleaning device 1 provided by the present application will be described below with reference to the accompanying drawings first.

[0029] See Figures 1 to 3 , the present application provides a cleaning device 1, including a conveying component, a connecting component 14 communicated with the conveying component, at least one output component communicated with the connecting component 14, and a control device. The control device can control the conveying component to convey a cleaning medium in a single or combined state of clean water, cleaning liquid and gas to at least one output component through the connecting component 14.

[0030] It should be noted that at least one output component is used to output the corresponding cleaning medium to clean the dirt. The conveying component is used to convey the cleaning medium to at least one output component. The connecting component 14 is used to distribute the flow direction and flow rate, etc. of the cleaning medium conveyed by the conveying component. The control device can control the conveying component to start according to the control instruction executed by the cleaning device 1 and control the connecting component 14 to conduct at least one output component, so that at least one output component can correspondingly output the cleaning medium. The cleaning medium includes a single or combined state of clean water, cleaning liquid and gas.

[0031] Thus, the cleaning device 1 provided by the present application can enable at least one output component to output one or a combined state of clear water, cleaning liquid, and gas according to a control instruction. For example, at least one output component can output clear water, cleaning liquid, gas, a mixed liquid of clear water and cleaning liquid, bubble water of clear water and gas, foam of cleaning liquid and gas, etc. In this way, the cleaning device 1 can provide and output a variety of cleaning media to deal with different degrees of dirt.

[0032] Understandably, the conveying component may include a clear water conveying pipeline, a cleaning liquid conveying pipeline, and a gas conveying pipeline that communicate with the connection component 14, and each conveying pipeline is not shown in the figure. The control device can control at least one of the conveying pipelines to be in an open state, so that at least one output component can output the corresponding cleaning medium. At the same time, for the convenience of conveying the cleaning medium, the conveying component may include a water pump 11 acting on the clear water conveying pipeline, a cleaning liquid pump 12 acting on the cleaning liquid conveying pipeline, and an air pump 13 acting on the gas conveying pipeline. Of course, in other embodiments, the clear water conveying pipeline can also be externally connected to a faucet pipeline to provide conveying power, and the present application does not make any restrictions.

[0033] Understandably, the connection component 14 may include a pipe fitting 142 communicating with the conveying component, a connection pipeline connected between the pipe fitting 142 and the output component, and a control valve acting on the connection pipeline. The control valve can be a reversing valve 141, a stop valve, a pressure valve, a flow valve, etc., and the present application does not make any restrictions.

[0034] See Figure 2 and Figure 3 , in some embodiments, at least one output component may include a first output component 15 and a second output component 17 that communicate with the connection component 14, and the control device can control the connection component 14 to conduct at least one of the first output component 15 and the second output component 17, so that the first output component 15 and the second output component 17 can output the corresponding cleaning medium.

[0035] With this setting, the first output component 15 and the second output component 17 can output the same or different cleaning media respectively, and the first output component 15 and the second output component 17 can be used in combination simultaneously or separately, respectively, to further enrich the usage functions of the cleaning device 1.

[0036] See Figure 3 , in some embodiments, to enrich the foam output by the output component, the cleaning device 1 further includes a foam generator 16, and the foam generator 16 is connected between the connection component 14 and the first output component 15.

[0037] It should be noted that when the control device controls the first output component 15 to output foam, the cleaning liquid pump 12 and the air pump 13 are started, so that the gas and the cleaning liquid flow through the foam generator 16 and are fully mixed in the foam generator 16 to generate rich foam. It can be understood that the water pump 11 can also be started so that clean water, cleaning liquid and gas are mixed in the foam generator 16, and the present application does not make any restrictions.

[0038] In some embodiments, the cleaning device 1 further includes a housing assembly 19 and a cleaning brush 18 mounted on the housing assembly 19. The cleaning brush 18 is used to perform a cleaning operation on the cleaning surface. The first output component 15 is arranged to face the cleaning surface, and the second output component 17 is arranged to face the cleaning brush 18.

[0039] With such an arrangement, when the cleaning device 1 controls the first output component 15 to output the cleaning medium, the first output component 15 can be used to directly irradiate the dirt on the cleaning surface to output the cleaning medium in a fixed-point and / or quantitative manner, so as to achieve spot spraying cleaning of local dirt or stubborn dirt on the cleaning surface by the user, and enable the cleaning device 1 to have a spot spraying mode. When the cleaning device 1 controls the second output component 17 to output the cleaning medium, the second output component 17 can be used to output the cleaning medium to the cleaning brush 18 to wet the cleaning brush 18, so as to achieve the user's daily general cleaning of the large-area dirt on the cleaning surface by using the cleaning brush 18, and enable the cleaning device 1 to have a general mode.

[0040] It can be understood that the first output component 15 includes a nozzle. In the spot spraying mode, the spraying range and spraying force of the nozzle can be adjusted according to the user's usage requirements, and the present application does not make any settings. The second output component 17 includes a liquid spraying plate, which is arranged along the length direction of the cleaning brush 18 and is provided with a plurality of spray openings or strip-shaped spray openings, so that the output cleaning medium can be in uniform contact with the cleaning brush 18.

[0041] It can be understood that the cleaning surface includes hard surfaces such as the ground or kitchen countertops, and the cleaning surface also includes soft surfaces such as carpets or sofas, and the present application does not make any restrictions.

[0042] See Figure 3 , in some embodiments, the housing assembly 19 is provided with a receiving cavity, and the air pump 13, the cleaning liquid pump 12 and the water pump 11 of the cleaning device 1 can be installed in the receiving cavity of the housing assembly 19. The installation positions of the respective conveying components in the housing assembly 19 are not limited to Figure 3 the arrangement structure shown. The manufacturer can also adjust the installation positions of the respective input pipes in the housing assembly 19 according to the actual assembly situation to form other arrangement structures, and the present application does not make any restrictions.

[0043] Understandably, the water pump 11 is electrically connected to the control device. The clear water transported by the water pump 11 can be used to clean easily cleanable light dirt such as dust or sweat stains, and the clear water can also be used for self-cleaning the cleaning brush 18 of the cleaning device 1. The clear water can be an uncontaminated natural water source or domestic water such as groundwater or tap water.

[0044] The cleaning liquid pump 12 is electrically connected to the control device. The cleaning liquid transported by the cleaning liquid pump 12 can be used to clean stubborn dirt such as oil stains, molds or water scales. The cleaning liquid includes various cleaning liquids such as oil stain cleaning liquid, floor cleaning liquid, fabric cleaning liquid, carpet cleaning liquid, glass cleaning liquid, disinfection cleaning liquid or mildew removal cleaning liquid, and the present application does not make any restrictions.

[0045] The air pump 13 is electrically connected to the control device. The gas transported by the air pump 13 can be harmless gas such as air or nitrogen, and the present application does not make any restrictions. The gas can also be used to blow off the crystals accumulated on the output component after the cleaning medium containing liquid is dried, so as to prevent the output component from being blocked. The gas can also be used to dry the water marks after cleaning or to dry the cleaning brush 18 of the cleaning device 1.

[0046] In some embodiments, to reduce pipeline connection, the foam generator 16 can be integrally arranged with the first output component 15.

[0047] Taking the cleaning device 1 having two output components as an example below, that is, including the first output component 15 and the second output component 17, the present application provides a cleaning device 1.

[0048] See Figure 3 and Figure 4 , as an example, the connection component 14 includes a reversing valve 141 and a pipe connector 142. The reversing valve 141 is provided with at least three working ports. The at least three working ports include a first outlet communicating with the foam generator 16, a second outlet communicating with the second output component 17, and an inlet for selectively conducting between the first outlet and the second outlet. The water pump 11, the cleaning liquid pump 12 and the air pump 13 are connected to the inlet of the reversing valve 141 through the pipe connector 142.

[0049] It should be noted that the pipe connector 142 is used to connect the input pipelines in each conveying component to the inlet of the reversing valve 141, so that at least two of the clear water, the cleaning liquid and the gas can be pre-mixed and then enter the output component. Among them, the pipe connector 142 includes a four-way pipe joint or two interconnected three-way pipe joints, and the present application does not make any restrictions.

[0050] In this way, in the spot spraying mode, by controlling the inlet of the reversing valve 141 to be conducted with the first outlet and controlling at least one of the water pump 11, the cleaning liquid pump 12 and the air pump 13 to be in an open state, the first output component 15 can output one or a combined state of clear water, cleaning liquid and gas.

[0051] In the general mode, the inlet of the reversing valve 141 is controlled to be communicated with the second outlet, and at least one of the water pump 11, the cleaning liquid pump 12 and the air pump 13 is controlled to be in an open state, so that the second output assembly 17 can output one or a combined state of clean water, cleaning liquid and gas.

[0052] Of course, the cleaning device 1 can also enable the spot spraying mode and the general mode at the same time. Just control the inlet of the reversing valve 141 to be communicated with both the first outlet and the second outlet, and control at least one of the water pump 11, the cleaning liquid pump 12 and the air pump 13 to be in an open state, then the first output assembly 15 and the second output assembly 17 can output one or a combined state of clean water, cleaning liquid and gas at the same time.

[0053] It can be understood that the reversing valve 141 can be a two-way three-way valve, a three-way three-way valve, a four-way valve, a five-way valve, etc., and the present application does not make any restrictions.

[0054] In addition, in other embodiments, the output assembly of the cleaning device 1 can also be provided with any number required by the user, such as 1, 3, 4, 5, etc., and the present application does not make any restrictions.

[0055] In some embodiments, the cleaning device 1 further includes a sewage suction assembly (not shown in the figure) capable of recovering dirt by negative pressure suction. The sewage suction assembly includes a sewage tank 30, a sewage suction pipe communicated with the sewage tank 30, and a suction device acting on the sewage suction pipe. For example, when the cleaning device 1 is cleaning dirt, the cleaning device 1 can start the suction device, and the suction device uses negative pressure suction to suck liquid dirt and / or solid dirt into the sewage suction pipe and recover it into the sewage tank 30. The user only needs to regularly pour out the dirt in the sewage tank 30.

[0056] See back Figures 1 to 3 , in some embodiments, taking the floor washer as an example, the cleaning device 1 further includes a main body device 20, a floor brush device 10 connected to the main body device 20, a clean water tank 30 and a cleaning liquid tank 40. The main body device 20 serves as a handle device for the user to hold conveniently. The floor brush device 10 includes a housing assembly 19, a conveying assembly and a connecting assembly 14 arranged in the housing assembly 19, etc. The clean water tank 30 is communicated with the water pump 11, and the cleaning liquid tank 40 is communicated with the cleaning liquid pump 12.

[0057] It can be understood that the control device includes an operation button installed on the main body device 20 and a controller electrically connected to the operation button. The controller is electrically connected to the connecting assembly 14 to switch the conduction state of the connecting assembly 14 through the operation button, and further switch the spot spraying mode and the general mode of the floor washer. Of course, the controller can also be electrically connected to mobile devices such as mobile phones, computers or tablets, so that the user can operate and switch various cleaning modes through corresponding application software or application programs in the mobile devices such as mobile phones, computers or tablets.

[0058] It can be understood that the cleaning device 1 provided in the present application is not limited to a floor scrubber, but may also include a sweeping robot, a vacuum cleaner, a carpet cleaning machine or a fabric cleaning machine, etc., and the present application does not impose any limitation thereto.

[0059] In addition to the above-mentioned cleaning device 1, the present application also provides a control method of the cleaning device 1, and the control method of the cleaning device 1 provided by the present application will be described below.

[0060] The control method provided in this application includes:

[0061] Step 1: In response to a start-up operation of a cleaning mode, the cleaning mode is executed.

[0062] Step 111 : When the cleaning mode instructs the first output component 15 to output foam, the airflow is controlled to empty the residual liquid in the connecting component 14 , the connecting component 14 is controlled to be connected to the first output component 15 , and the conveying component is controlled to start outputting foam to the first output component 15 .

[0063] It should be noted that the cleaning device 1 includes a conveying component, a connecting component 14 connected to the conveying component, at least one output component connected to the connecting component 14, and a control device. The control device can control the conveying component to convey a cleaning medium in one or a combination of clean water, cleaning liquid and gas to at least one output component via the connecting component 14.

[0064] Specifically, the control device can obtain an execution instruction for starting the cleaning mode in response to the start-up operation of the cleaning mode. Taking at least one output component including the first output component 15 as an example, when the cleaning mode indicates that the first output component 15 outputs foam, the control method can control the airflow to empty the residual liquid in the connecting component 14 before the connecting component 14 is connected to the first output component 15, and after the residual liquid in the connecting component 14 is emptied, the connecting component 14 is controlled to be connected to the first output component 15, and the conveying component is controlled to start outputting foam to the first output component 15.

[0065] In this way, when outputting foam, the control method of the cleaning device 1 provided in the present application can drain the residual liquid in the pipeline and then connect it to the corresponding output component, so that the corresponding output component can directly output foam without flowing out residual liquid, thereby improving the user experience.

[0066] In some embodiments, the delivery assembly includes a clean water delivery pipeline, a cleaning liquid delivery pipeline, and a gas delivery pipeline connected to the connection assembly 14, and each delivery pipeline is not shown in the figure. The delivery assembly also includes a water pump 11 acting on the clean water delivery pipeline, a cleaning liquid pump 12 acting on the cleaning liquid delivery pipeline, and an air pump 13 acting on the gas delivery pipeline. In order to facilitate the emptying of the residual liquid in the pipeline, the control method uses airflow to empty the residual liquid in the connection assembly 14, including: controlling the air pump 13 to suck back the residual liquid using negative pressure suction.

[0067] It should be noted that the air pump 13 can be operated in a forward direction to deliver a positive pressure airflow to the first output component 15, which is used to mix with the cleaning liquid delivered to the first output component 15 by the cleaning liquid pump 12 to generate foam. The air pump 13 can also be operated in a reverse direction to generate a negative pressure airflow, and the negative pressure suction force formed by the negative pressure airflow can suck the residual liquid in the pipeline back to the recovery point in the cleaning device 1, so as to prevent the residual liquid from flowing out when the first output component 15 outputs foam.

[0068] In some embodiments, in addition to using the air pump 13 to suck back the residual liquid, the cleaning device 1 also includes a dirt suction component that can use negative pressure suction to recover dirt. The dirt suction component includes a sewage tank 30, a dirt suction pipe connected to the sewage tank 30, and a suction device acting on the dirt suction pipe. The dirt suction component can be used for cleaning liquid dirt or solid dirt with the cleaning device 1. In order to facilitate the emptying of the residual liquid in the pipe, the control method uses airflow to empty the residual liquid in the connecting component 14 and further includes: controlling the dirt suction component to use negative pressure suction to suck the residual liquid back to the sewage tank 30 to prevent the residual liquid from flowing out when the first output component 15 outputs foam.

[0069] In this way, the cleaning device 1 can not only use the air pump 13 to suck back the residual liquid to empty the pipeline, but the cleaning device 1 can also use the negative pressure suction force generated by the sewage suction component to suck the residual liquid back to the sewage tank 30, which is not limited in this application.

[0070] In some embodiments, in order to facilitate emptying of residual liquid, the cleaning device 1 further includes a second output component 17 in communication with the connecting component 14, and uses airflow to empty the residual liquid in the connecting component 14, and further includes:

[0071] The connection component 14 is controlled to be connected with the second output component 17 , and the air pump 13 is controlled to output a positive pressure airflow to the second output component 17 , so that the liquid in the connection component 14 is discharged from the second output component 17 .

[0072] It should be noted that the cleaning device 1 has a cleaning brush 18 for performing a cleaning operation on the cleaning surface. The first output component 15 is arranged facing the cleaning surface, and the second output component 17 is arranged facing the cleaning brush 18. When the cleaning mode indicates that the first output component 15 outputs foam to the cleaning surface, before the connection component 14 and the first output component 15 are conducted, the connection component 14 and the second output component 17 can be controlled to be conducted first, so as to discharge the residual liquid from the second output component 17.

[0073] Specifically, when emptying the residual liquid, the connection component 14 and the second output component 17 are controlled to be conducted, and the air pump 13 is controlled to operate forward, then the positive pressure air flow can be used to carry the residual liquid out of the second output component 17 and output it to the cleaning brush 18, so as to prevent the residual liquid from flowing out of the first output component 15 and not being noticed by the user and dripping onto the cleaning surface. Moreover, using the residual liquid to wet the cleaning brush 18 can facilitate the user to use the cleaning brush 18 to wipe the dirt.

[0074] In some embodiments, when the air pump 13 or the sewage suction component uses negative pressure suction to suck back the residual liquid, the connection component 14 and the second output component 17 can also be controlled to be conducted. With this setting, when the connection component 14 and the second output component 17 are conducted, the second output component 17 communicates with the atmosphere, and the pressure in the pipeline where the residual liquid is located can be balanced while the air pump 13 and the sewage suction component generate negative pressure suction, so as to prevent the pipeline from bursting. In addition, by balancing the pipeline pressure through the second output component 17, it can also prevent the negative pressure state formed in the pipeline from affecting the connection between the connection component 14 and the first output component 15 and the delivery of the cleaning medium to the first output component 15.

[0075] In some embodiments, after the connection component 14 and the second output component 17 are conducted, when the air pump 13 outputs air flow to the second output component 17, the cleaning liquid pump 12 can also be started. With this setting, before the connection component 14 and the first output component 15 are conducted, the cleaning liquid and the gas can be pre-mixed to generate foam. After the connection component 14 and the first output component 15 are conducted, the foam can be directly output from the first output component 15.

[0076] Specifically, controlling the connection component 14 and the second output component 17 to be conducted, and controlling the air pump 13 to output air flow to the second output component 17 further includes: controlling the cleaning liquid pump 12 to start and acting on the connection component 14 together with the air pump 13 to meet the first preset condition, and then controlling the connection component 14 and the first output component 15 to be conducted.

[0077] Among them, the first preset condition includes: controlling the preset time for the cleaning liquid pump 12 and the air pump 13 to act on the connection component 14 together. For example, in the case where the cleaning mode has instructed to start the water pump 11, when the cleaning mode instructs the first output component 15 to output foam, the control method includes: in response to the first output component 15 outputting foam, controlling the water pump 11 to close to stop outputting clear water. And controlling the connection component 14 to disconnect from the first output component 15 and conduct with the second output component 17 to prevent the remaining liquid from flowing out of the first output component 15. Controlling the air pump 13 and the cleaning liquid pump 12 to start running for 0.5 seconds to drain the remaining liquid and mix the gas with the cleaning liquid, and then controlling the connection component 14 to conduct with the first output component 15, so that the cleaning liquid pump 12 and the air pump 13 directly output foam to the first output component 15.

[0078] Of course, in other embodiments, the first preset condition further includes the user's operation instruction or the detection instruction of the remaining liquid evacuation state, which is not limited in this application.

[0079] In some embodiments, to fully mix the cleaning liquid and the gas to generate foam, the control method can control the cleaning liquid pump 12 and the air pump 13 to operate at the same power. With this setting, the delivery amounts of the transported gas and the cleaning liquid are stable, and the gas and the cleaning liquid can be fully mixed in proportion to generate dense and rich foam.

[0080] In some embodiments, the cleaning device 1 includes a first output component 15 and a second output component 17 that communicate with the connection component 14. The second output component 17 is used to face the cleaning brush 18, and the first output component 15 is used to face the cleaning surface where the cleaning brush 18 performs cleaning operations. The cleaning mode includes a spot spraying mode and a general mode. Step 1 further includes at least one of the following:

[0081] Step 11: When the cleaning mode instructs to start the spot spraying mode, controlling the connection component 14 to conduct with the first output component 15 so that the first output component 15 can correspondingly output the cleaning medium, and the cleaning medium includes one or a combined state of clear water, cleaning liquid, and gas.

[0082] Step 12: When the cleaning mode instructs to start the general mode, controlling the connection component 14 to conduct with the second output component 17 so that the second output component 17 can correspondingly output the cleaning medium, and the cleaning medium includes one or a combined state of clear water, cleaning liquid, and gas.

[0083] Step 13: When the cleaning mode instructs to start the spot spraying mode and the general mode, controlling the connection component 14 to conduct with the first output component 15 and the second output component 17 so that the first output component 15 and the second output component 17 can respectively output the cleaning medium, and the cleaning medium includes one or a combined state of clear water, cleaning liquid, and gas.

[0084] In some embodiments, when the cleaning device 1 is in the spot spray mode and / or the general mode, controlling at least one of the water pump 11, the cleaning liquid pump 12, and the air pump 13 to turn on enables the cleaning device 1 to have different cleaning modes. The different cleaning modes of the cleaning device 1 will be described below.

[0085] In the spot spray mode, the first output assembly 15 outputs a cleaning medium. The cleaning medium includes one or a combination of clean water, cleaning liquid, and gas. Accordingly, the cleaning mode of the cleaning device 1 includes at least one of a clean water mode, a cleaning liquid mode, a gas mode, a foam mode, a mixed liquid mode, and a carbonated water mode. At this time, step 11 of the control method further includes at least one of the following:

[0086] Step 111: When the cleaning mode includes the clean water mode, control the water pump 11 and the air pump 13 to start, and control the cleaning liquid pump 12 to be in the off state.

[0087] Step 112: When the cleaning mode includes the cleaning liquid mode, control the cleaning liquid pump 12 to start, and control the air pump 13 and the water pump 11 to be in the off state respectively.

[0088] Step 113: When the cleaning mode includes the gas mode, control the air pump 13 to start, and control the water pump 11 and the cleaning liquid pump 12 to be in the off state respectively.

[0089] Step 114: When the cleaning mode includes the foam mode, control the cleaning liquid pump 12 and the air pump 13 to start, and control the water pump 11 to be in the off state.

[0090] Step 115: When the cleaning mode includes the mixed liquid mode, control the water pump 11 and the cleaning liquid pump 12 to start, and control the air pump 13 to be in the off state.

[0091] Step 116: When the cleaning mode includes the carbonated water mode, control the water pump 11 and the air pump 13 to start, and control the cleaning liquid pump 12 to be in the off state.

[0092] It should be noted that in the spot spray mode, the present application does not limit the usage order of the various cleaning modes of the cleaning device 1, and the user can select according to actual needs. Among them, performing different cleaning modes in the spot spray mode can correspond to different usage scenarios, specifically as follows: Spot spraying clean water can clean light dirt on the cleaning surface, or clean the residual cleaning liquid crystals in the first output assembly 15 by spot spraying clean water to prevent the first output assembly 15 from being blocked. When spot spraying a cleaning medium containing a cleaning liquid, such as a cleaning liquid, foam, and a mixed liquid, etc., it can be used to clean stubborn dirt on the cleaning surface. When spot spraying gas, it can dry the water marks on the cleaning surface, or blow off the residual cleaning liquid crystals in the first output assembly 15 by gas to prevent the first output assembly 15 from being blocked.

[0093] In the general mode, the second output component 17 outputs a cleaning medium. The cleaning medium includes one or a combination of clean water, cleaning liquid and gas. Thus, the cleaning mode of the cleaning device 1 includes at least one of a clean water mode, a cleaning liquid mode, a gas mode, a foam mode, a mixed liquid mode, and a bubble water mode. At this time, step 1 of the control method also includes at least one of the following:

[0094] Step 121: When the cleaning mode includes the clean water mode, the water pump 11 is controlled to start, and the cleaning liquid pump 12 and the air pump 13 are controlled to be in a closed state respectively.

[0095] Step 122: When the cleaning mode includes the cleaning liquid mode, the cleaning liquid pump 12 is controlled to start, and the air pump 13 and the water pump 11 are controlled to be in a closed state respectively.

[0096] Step 123: When the cleaning mode includes the gas mode, the air pump 13 is controlled to start, and the water pump 11 and the cleaning liquid pump 12 are controlled to be in a closed state respectively.

[0097] Step 124: When the cleaning mode includes the foam mode, the cleaning liquid pump 12 and the air pump 13 are controlled to start, and the water pump 11 is controlled to be in an off state.

[0098] Step 125: When the cleaning mode includes the mixed liquid mode, the water pump 11 and the cleaning liquid pump 12 are controlled to start, and the air pump 13 is controlled to be in a closed state.

[0099] Step 126: When the cleaning mode includes the bubble water mode, the water pump 11 and the air pump 13 are controlled to start, and the cleaning liquid pump 12 is controlled to be in an off state.

[0100] It should be noted that, in the general mode, the order of using the various cleaning modes of the cleaning device 1 is not limited in this application, and the user can choose according to actual needs. Among them, executing different cleaning modes in the general mode can correspond to different usage scenarios, as follows:

[0101] If only the water pump 11 of the cleaning device 1 is started, and the cleaning liquid pump 12 and the air pump 13 are turned off, the second output component 17 can output clean water to the cleaning brush 18, and the cleaning device 1 is in the clean water mode. For example, the clean water mode can be used to soak the cleaning brush 18 with clean water to clean the light dirt on the floor or carpet to be cleaned. Alternatively, the clean water mode can also perform self-cleaning on the cleaning brush 18 of the cleaning device 1 itself to wash away the dirt on the cleaning brush 18. Alternatively, the clean water output in the clean water mode can also wash away the cleaning medium containing the cleaning liquid remaining in the pipeline of the second output component 17 to prevent the cleaning medium containing the cleaning liquid from forming crystals after drying, thereby avoiding clogging of the second output component 17.

[0102] If only the cleaning liquid pump 12 of the cleaning device 1 is started and the water pump 11 and the air pump 13 are closed, the second output component 17 can output cleaning liquid to the cleaning brush 18, and the cleaning device 1 is in the cleaning liquid mode, which is used to improve the cleaning power of the cleaning device 1 on the floor, carpet and other objects to be cleaned, or the cleaning power of the cleaning brush 18. Generally, the cleaning liquid has a certain fluidity. When the cleaning liquid is output to a relatively flat surface to be cleaned such as the ground, glass or kitchen countertop, the cleaning liquid can flow on the surface of the liquid to be cleaned to dissolve and clean the dirt. In this way, the cleaning power can be improved and it is suitable for cleaning large areas of stubborn dirt. When the cleaning liquid is output to a carpet or fabric to be cleaned, the cleaning liquid can also penetrate deep into the stain to dissolve the stubborn stain, thereby improving the cleaning power.

[0103] If both the water pump 11 and the cleaning liquid pump 12 of the cleaning device 1 are started and the air pump 13 is closed, the second output component 17 can output a mixed liquid to the cleaning brush 18, and the cleaning device 1 is in the mixed liquid mode. It can be understood that, compared with the cleaning liquid mode, the concentration of the cleaning liquid in the mixed liquid in the mixed liquid mode is lower than that in the cleaning liquid mode. Equivalently, the cleaning liquid is diluted with clean water to form a mixed liquid. The cleaning power of the mixed liquid mode is higher than that of the clean water mode and lower than that of the cleaning liquid mode. The user can choose to use the mixed liquid mode according to the degree of dirt or custom usage requirements, and this application does not make any restrictions. In addition, through the mixed liquid mode, compared with the clean water mode, the cleaning power can be improved, and compared with the cleaning liquid mode, the consumption of the cleaning liquid can be saved.

[0104] If the water pump 11 and the air pump 13 of the cleaning device 1 are started and the cleaning liquid pump 12 is closed, the second output component 17 can evenly output bubble water to the cleaning brush 18, and the cleaning device 1 is in the bubble water mode. It can be understood that the bubble water mode makes the clean water spray evenly, which can avoid uneven dirt cleaning and reduce water mark residues. This application does not limit the particle size of the water droplets in the bubble water.

[0105] If the cleaning liquid pump 12 and the air pump 13 of the cleaning device 1 are started and the water pump 11 is closed, the second output component 17 can output cleaning liquid foam to the cleaning brush 18. If the water pump 11, the cleaning liquid pump 12 and the air pump 13 of the cleaning device 1 are started, the second output component 17 can output mixed liquid foam to the cleaning brush 18. The cleaning device 1 is in the foam mode. It can be understood that the concentration of the cleaning liquid in the cleaning liquid foam is higher than that in the mixed liquid foam. The user can choose to output cleaning liquid foam or mixed liquid foam according to the degree of dirt, and this application does not make any restrictions. Compared with liquids, foam has weaker fluidity, so the foam can adhere to vertical surfaces or complex surfaces (such as walls or corners), enabling the foam to stay on the dirty surface for a long time, thereby dissolving and cleaning stubborn dirt. Moreover, the output component can accumulate a relatively thick foam layer on the dirty surface, improving the persistence of decomposing dirt and thus enhancing the cleaning effect. In addition, when the second output component 17 outputs foam, the user can also use the foam to draw different patterns to cover the dirt, so as to improve the cleaning interest and visual effect.

[0106] If the air pump 13 of the cleaning device 1 is started and the cleaning liquid pump 12 and the water pump 11 are closed, the second output component 17 can output gas to the cleaning brush 18. The cleaning device 1 is in the gas mode, which is used to dry the cleaning brush 18. That is, after the cleaning device 1 finishes cleaning the used cleaning brush 18, it can also dry the cleaning brush 18 through the gas blown out by the second output component 17 to prevent the cleaning brush 18 from getting damp and moldy. Alternatively, the gas mode can also be used to blow off the crystals formed after the cleaning medium containing the cleaning liquid on the second output component 17 dries, preventing the second output component 17 from being blocked. Alternatively, the gas mode can also be used to dry the remaining cleaning water marks on the floor or carpet waiting to be cleaned, so as to dry the floor or carpet waiting to be cleaned and achieve mopping and drying immediately. It can be understood that the output gas can be harmless gases such as air or nitrogen.

[0107] In some embodiments, the user can use the general mode of the cleaning device 1 to clean dirt with the cleaning brush 18. When the user finds stubborn dirt on the cleaning surface, the user can use the spot spraying mode of the cleaning device 1 to directly spray foam on the stubborn dirt to improve the cleaning strength, and continue to use the general mode of the cleaning device 1 to clean other areas of the cleaning surface. At this time, the cleaning device 1 needs to switch repeatedly between the general mode and the spot spraying mode. Thus, the control method provided in this application further includes:

[0108] In response to the cleaning mode instructing the first output component 15 to stop outputting the cleaning medium, control the cleaning liquid pump 12 to close, and control at least one of the water pump 11 and the air pump 13 to be conducted with the second output component 17 to continue operating other cleaning modes.

[0109] With such a setting, when the cleaning device 1 switches from the spot spraying mode to the general mode, the first output component 15 stops outputting the cleaning medium. At this time, the cleaning liquid pump 12 stops running, while the water pump 11 and the air pump 13 can be switched to conduct to the second output component 17 and continue to run various cleaning modes in the general mode, such as running the clean water mode or the bubble mode, etc. When the cleaning device 1 switches from the general mode to the spot spraying mode, the second output component 17 stops outputting the cleaning medium. At this time, the water pump 11 stops running, and the air pump 13 and the cleaning liquid pump 12 run to drain the residual liquid, and then conduct with the first output component 15 to output foam.

[0110] In addition, when the cleaning device 1 is in the sewage suction state, the cleaning liquid pump 12, the air pump 13 and the water pump 11 stop running.

[0111] In some embodiments, for the convenience of the cleaning device 1 to switch between the general mode and the spot spraying mode, taking the cleaning device 1 having two output components as an example, that is, including the first output component 15 and the second output component 17, the connection component 14 of the cleaning device 1 includes a reversing valve 141 and a pipe fitting 142. The reversing valve 141 is provided with at least three working ports. The at least three working ports include a first outlet communicating with the foam generator 16, a second outlet communicating with the second output component 17, and an inlet for selectively conducting between the first outlet and the second outlet. The water pump 11, the cleaning liquid pump 12 and the air pump 13 are communicated with the inlet of the reversing valve 141 through the pipe fitting 142. At this time, the control method provided by the present application includes:

[0112] Step 11 includes: controlling the inlet of the reversing valve 141 to conduct with the first outlet to execute the spot spraying mode.

[0113] Step 12 includes: controlling the inlet of the reversing valve 141 to conduct with the second outlet to execute the general mode.

[0114] Step 13 includes: controlling the inlet of the reversing valve 141 to conduct with both the first outlet and the second outlet to execute the spot spraying mode and the general mode simultaneously.

[0115] It should be noted that when the user is in the general mode, they often clean the dirt with a wet cleaning brush 18 or recover the dirt by negative pressure suction, and do not require too much airflow power. When the user is in the spot spraying mode, they often prefer to output foam, and rich foam can only be generated when the cleaning liquid and the gas are fully mixed. Therefore, a larger airflow power and a larger gas volume are required. Therefore, the operating power of the air pump 13 in the general mode is set to be less than that in the spot spraying mode.

[0116] In addition, with such a setting, after the user sprays foam in the spot spraying mode, the cleaning liquid crystals can also be rinsed with spot spraying gas and / or clean water, which also requires a larger airflow power and a larger gas volume, and can avoid clogging of the first output component 15.

[0117] In some embodiments, the control method further includes:

[0118] Step 2: In response to a stop instruction for the stop cleaning mode of the cleaning device 1, control to correspondingly close the corresponding conveying component, so that the corresponding output component stops outputting the cleaning medium.

[0119] In some embodiments, to avoid clogging of the first output component 15, step 2 of the control method further includes:

[0120] Step 21: In response to a stop instruction for the cleaning mode, when the cleaning mode has instructed to start the cleaning liquid pump 12 and act on the first output component 15 and / or the second output, control to turn off the cleaning liquid pump 12, and control at least one of the water pump 11 and the air pump 13 to act on the same output component until the second preset condition is met and then turn off.

[0121] It should be noted that the control method of the cleaning device 1 provided in the present application can, when receiving a stop instruction for the stop cleaning mode, if it detects that the cleaning liquid pump 12 is included in the currently working conveying component, control the cleaning liquid pump 12 to stop working, and control the air pump 13 and / or the air pump 13 to continue working to act on the current conveying path of the cleaning liquid until the second preset condition is met and then turn off. In this way, through the additional operation of the air pump 13 and / or the water pump 11 for a period of time, the cleaning device 1 can use water flow and / or air flow to take away the cleaning liquid in the current conveying path, avoid the accumulation and crystallization of the cleaning liquid after drying in the conveying path, and further avoid clogging of the conveying path, so that the cleaning device 1 can stably output the cleaning medium and improve the operation stability of the cleaning device 1.

[0122] In some embodiments, the second preset condition includes at least one of the following:

[0123] (1) The control device has a built-in delay program, and the control device controls the water pump 11 and / or the air pump 13 to turn off according to the delay program.

[0124] (2) The cleaning device 1 further includes a detection device for detecting the residual cleaning liquid state of the output component. The detection device is electrically connected to the control device. If the residual cleaning liquid state measured by the detection device meets the requirements, the detection device sends a closing signal to the control device, and the control device controls the water pump 11 and / or the air pump 13 to turn off according to the closing signal.

[0125] (3) The cleaning device 1 further includes an operation button electrically connected to the control device, and the control device controls the water pump 11 and / or the air pump 13 to turn off according to the input instruction of the operation button.

[0126] It should be noted that the stop instruction for stopping the cleaning mode can be a signal generated by the cleaning device 1 itself. In one example, the stop instruction for stopping the cleaning mode can be a control signal generated according to the execution time. For example, the output time of the cleaning medium is set to 10 seconds. When the control device detects that the output time of the cleaning medium meets 10 seconds, a stop instruction for stopping the cleaning mode is generated. In another example, the stop instruction for stopping the cleaning mode can be a control signal generated according to the cleaning parameters of the cleaning device 1. For example, when the cleaning device 1 detects that the degree of dirt changes from severe to mild, a stop instruction for stopping the cleaning mode is generated. In yet another example, the stop instruction for stopping the cleaning mode can also be a control signal generated by user operation. For example, the user can operate the cleaning button to generate a start instruction for starting the cleaning mode, and when the user operates the button again, a stop instruction for stopping the cleaning mode can be generated.

[0127] In addition, the water pump 11 and / or the air pump 13 can be turned off after meeting the second preset condition. Among them, the second preset condition can be the preset duration of the built-in delay program of the control device. Of course, the second preset condition can also be the detection state of the control device for the residual cleaning liquid. If the state of the residual cleaning liquid meets the preset requirements, the water pump 11 and / or the air pump 13 are turned off. Of course, the water pump 11 and / or the air pump 13 can also be turned off according to the user input instruction, and this application does not make any restrictions.

[0128] It can be understood that when the water pump 11 and the air pump 13 work together to avoid blockage of the output pipeline, if the cleaning device 1 stops the cleaning mode, the cleaning device 1 can first extend the clean water mode and then extend the gas mode. With this setting, the cleaning device 1 can first rinse the cleaning liquid in the output path with clean water and then blow off the crystals with gas, realizing double cleaning of the output components to avoid output blockage.

[0129] In some embodiments, to enrich the foam output in the spot spraying mode, the cleaning device 1 further includes a foam generator 16 connected between the connection component 14 and the first output component 15. However, the mesh structure in the foam generator 16 will increase the flow resistance of the clean water during spot spraying of clean water, resulting in uneven spot spraying of clean water. Thus, the control method further includes:

[0130] When the cleaning mode indicates that the first output component 15 outputs clean water, control the water pump 11 and the air pump 13 to start and act on the first output component 15 together.

[0131] With this setting, during the process of the first output component 15 outputting clean water, starting the air pump 13 and the water pump 11 to act on the first output component 15 together can increase the flow force of the clean water through the output air flow, so as to reduce the resistance effect of the mesh structure in the foam generator 16 on the flow of clean water, enabling the first output component 15 to ensure the uniformity of water output through the mixture of gas and clean water, thereby enhancing the user experience.

[0132] In addition to the control method of the cleaning device 1 described above, the present application also provides another control method for the cleaning device 1, which is applicable to the cleaning device 1 having at least two output components. The following will describe another cleaning device 1 and its control method.

[0133] The cleaning device 1 includes a conveying component, a connecting component 14 communicating with the conveying component, at least two output components communicating with the connecting component 14, and a control device. The control device can control the conveying component to convey a cleaning medium to at least one of the at least two output components through the connecting component 14. The cleaning medium includes one or a combined state of clean water, cleaning liquid, and gas.

[0134] The control method includes:

[0135] In response to the start operation of the cleaning mode, execute the cleaning mode.

[0136] When the cleaning mode indicates that the target output component among the at least two output components outputs foam, control the connecting component 14 to disconnect from the target output component and conduct with the non-target output component until the third preset condition is met, then control the connecting component 14 to conduct with the target output component, and control the conveying component to start outputting foam to the target output component.

[0137] It should be noted that taking the at least two output components including the first output component 15 and the second output component 17 as an example, the first output component 15 can be set as the target output component, and the second output component 17 can be set as the non-target output component. In this way, when the cleaning mode indicates that the first output component 15 outputs foam, the control method can control the connecting component 14 to first disconnect from the first output component 15 and conduct with the second output component 17, and then control the connecting component 14 to conduct with the first output component 15 after the third preset condition is met, and control the conveying component to start outputting foam to the first output component 15.

[0138] Among them, the third preset condition includes controlling the connecting component 14 to conduct with the non-target output component until the residual liquid in the pipeline is emptied. When the cleaning device 1 detects that the residual liquid has been emptied, control the connecting component 14 to conduct with the first output component 15. The first output component 15 can directly output foam without flowing out the residual liquid.

[0139] It can be understood that the residual liquid in the pipeline can flow out from the second output component 17 by relying on gravitational potential energy. Or, control the heating of the residual liquid in the pipeline to evaporate and empty the residual liquid. Or, control the air flow to blow the residual liquid in the pipeline out from the second output component 17. Or, control the air flow to suck the residual liquid in the pipeline back to the recovery place in the cleaning device 1. The present application does not limit this.

[0140] Thus, when the control method of the cleaning device 1 provided in the present application instructs the target output component to output foam, it can first empty the residual liquid in the pipeline and then conduct electricity with the target output component, enabling the target output component to directly output foam without the outflow of residual liquid, thereby improving the user experience.

[0141] It can be understood that the "electrical connection" mentioned in the present application can be understood as a wired signal connection or a wireless signal connection. The wired signal connection includes wire connection, optical fiber connection, or power line communication, etc. The wireless signal connection includes radio frequency signal, satellite communication, infrared communication, Bluetooth communication, short-range wireless communication technology, etc. The present application does not make any restrictions.

[0142] In the above embodiments, the technical solutions or technical features described can be combined or supplemented with each other without conflict. The scope of protection of the present application is not limited to the precise structures described in the above embodiments and shown in the drawings. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A control method for a cleaning device, characterized in that The cleaning device includes a conveying component, a connection component communicated with the conveying component, a first output component communicated with the connection component, and a control device. The control device can control the conveying component to convey a cleaning medium in a state of one or a combination of clear water, cleaning liquid, and gas to the first output component through the connection component; The control method includes: Responding to the start operation of the cleaning mode and executing the cleaning mode; When the cleaning mode indicates that the first output component outputs foam, controlling the air flow to evacuate the residual liquid in the connection component, then controlling the connection component to be conducted with the first output component, and controlling the conveying component to start outputting foam to the first output component.

2. The control method according to claim 1, wherein The cleaning device further includes a sewage suction component capable of recovering dirt by negative pressure suction. The conveying component includes a gas conveying pipeline communicated with the connection component and an air pump acting on the gas conveying pipeline; The controlling the air flow to evacuate the residual liquid in the connection component includes: controlling the sewage suction component or the air pump to suck back the residual liquid by negative pressure suction.

3. The control method according to claim 2, characterized in that, The cleaning device further includes a second output component communicated with the connection component. The controlling the air flow to evacuate the residual liquid in the connection component further includes: Controlling the connection component to be conducted with the second output component, and controlling the air pump to output a positive pressure air flow to the second output component, so that the liquid in the connection component is discharged from the second output component.

4. The control method according to claim 3, wherein The conveying component further includes a cleaning liquid conveying pipeline communicated with the connection component and a cleaning liquid pump acting on the cleaning liquid conveying pipeline. The controlling the connection component to be conducted with the second output component and controlling the air pump to output a positive pressure air flow to the second output component further includes: Controlling the cleaning liquid pump to start and acting on the connection component together with the air pump until a first preset condition is met, and then controlling the connection component to be conducted with the first output component.

5. The control method according to claim 4, characterized in that, The controlling the cleaning liquid pump to start and acting on the connection component together with the air pump includes: Controlling the cleaning liquid pump and the air pump to operate at the same power.

6. The control method according to claim 4, wherein The conveying component further includes a clear water conveying pipeline communicated with the connection component and a water pump acting on the clear water conveying pipeline. The cleaning mode includes at least one of a clear water mode, a cleaning liquid mode, a gas mode, a mixed liquid mode, a bubble water mode, and a foam mode. The control method further includes at least one of the following: Responding to the cleaning mode indicating that the first output component stops outputting the cleaning medium, controlling the cleaning liquid pump to close, and controlling at least one of the water pump and the air pump to be conducted with the second output component to continue operating other cleaning modes; Or, responding to the stop instruction of the cleaning mode, when the cleaning mode has indicated to start the cleaning liquid pump and act on the first output component and / or the second output, controlling the cleaning liquid pump to close, and controlling at least one of the water pump and the air pump to act on the same output component until a second preset condition is met and then closing.

7. The control method according to claim 6, wherein The cleaning device further includes a foam generator connected between the connection component and the first output component, and the control method further includes: When the cleaning mode indicates that the first output component outputs clean water, controlling the water pump and the air pump to start and act on the first output component together.

8. The control method according to claim 1, characterized in that, The cleaning device further includes a second output component communicated with the connection component. The cleaning mode includes a spot spraying mode and a general mode. The control method further includes at least one of the following: When the cleaning mode indicates starting the spot spraying mode, controlling the connection component to conduct the first output component so that the first output component can correspondingly output a cleaning medium; When the cleaning mode indicates starting the general mode, controlling the connection component to conduct the second output component so that the second output component can correspondingly output a cleaning medium; When the cleaning mode indicates starting the spot spraying mode and the general mode, controlling the connection component to conduct the first output component and the second output component so that the first output component and the second output component can respectively correspondingly output a cleaning medium; Wherein, the cleaning medium includes one or a combined state of clean water, cleaning liquid and gas.

9. The control method according to claim 8, wherein The connection component includes a reversing valve and a pipe fitting. The reversing valve is provided with at least three working ports. The at least three working ports include a first outlet communicated with the first output component, a second outlet communicated with the second output component, and an inlet for selectively conducting between the first outlet and the second outlet; The conveying component is communicated with the inlet of the reversing valve through the pipe fitting; Controlling the connection component to conduct the first output component so that the first output component can correspondingly output a cleaning medium includes: controlling the inlet of the reversing valve to be conducted with the first outlet; Controlling the connection component to conduct the second output component so that the second output component can correspondingly output a cleaning medium includes: controlling the inlet of the reversing valve to be conducted with the second outlet; Controlling the connection component to conduct the first output component and the second output component so that the first output component and the second output component can respectively correspondingly output a cleaning medium includes: controlling the inlet of the reversing valve to be conducted with both the first outlet and the second outlet.

10. A control method for a cleaning device, characterized in that, The cleaning device includes a conveying component, a connection component communicated with the conveying component, at least two output components communicated with the connection component, and a control device. The control device can control the conveying component to convey a cleaning medium to at least one of the at least two output components through the connection component. The cleaning medium includes one or a combined state of clean water, cleaning liquid and gas; The control method includes: Responding to the start operation of the cleaning mode and executing the cleaning mode; When the cleaning mode indicates that a target output component among the at least two output components outputs foam, control the connection component to disconnect from the target output component and conduct with a non-target output component until a third preset condition is met, then control the connection component to conduct with the target output component, and control the conveying component to start outputting foam to the target output component.

11. A cleaning device, characterized in that, It includes a conveying component, a connection component communicated with the conveying component, at least one output component communicated with the connection component, and a control device. The control device is used to implement the control method according to any one of claims 1 to 10; the control device can also control the conveying component to convey a cleaning medium to the at least one output component through the connection component.

12. The cleaning device according to claim 11, characterized in that, The at least one output component includes a first output component and a second output component. The cleaning device further includes a foam generator, and the foam generator is communicated between the connection component and the first output component.

13. The cleaning device according to claim 12, wherein, The connection component includes a reversing valve and a pipe fitting. The reversing valve is provided with at least three working ports. The at least three working ports include a first outlet communicated with the foam generator, a second outlet communicated with the second output component, and an inlet for selectively conducting between the first outlet and the second outlet. The conveying component is communicated with the inlet of the reversing valve through the pipe fitting.

14. The cleaning device according to claim 12 or 13, characterized in that, The cleaning device further includes a housing component and a cleaning brush installed on the housing component. The cleaning brush is used to perform a cleaning operation on a cleaning surface. The first output component is arranged to face the cleaning surface, and the second output component is arranged to face the cleaning brush.

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