Surface cleaning system for household floor cleaning

Abstract

The utility model provides a surface cleaning system for household floor cleaning, which comprises a clear water tank and a clear water treatment system, and the clear water treatment system comprises a cavity, a positive electrode, a negative electrode, a cation exchange membrane, an electrolysis power supply and a control mechanism; the positive electrode and the negative electrode are arranged in the cavity; the cation exchange membrane is arranged in the cavity and divides the cavity into a first chamber and a second chamber, the positive electrode is located in the first chamber, and the negative electrode is located in the second chamber; the cation exchange membrane is configured to selectively permeate acidic ions and / or basic ions generated by water electrolysis; an electrolysis power supply electrically connected to the positive electrode and the negative electrode to electrolyze water in the chamber, in which acidic electrolyzed water is generated on the positive electrode side and alkaline electrolyzed water is generated on the negative electrode side by selective ion permeation of the cation exchange membrane; the control mechanism is configured to selectively direct acidic electrolyzed water or alkaline electrolyzed water to a direct point of use of the surface cleaning system.

Description

Technical Field

[0001] This disclosure relates to a surface cleaning system for household floor cleaning. Background Technology

[0002] Cleaning media is an important research area in the field of household cleaning. Traditional floor cleaning usually relies on adding chemical cleaning solutions to water or electrolyzing chlorinated water to generate trace amounts of hypochlorite ions to achieve sterilization and cleaning.

[0003] However, these methods have limitations. For example, chemical cleaning solutions may cause environmental pollution or pose potential risks to users' health, while the method of electrolyzing chlorine-containing water is limited by the low concentration and unstable nature of hypochlorite ions.

[0004] In addition, while existing technologies can partially achieve sterilization and cleaning by adding cleaning solutions or electrolyzing chlorine-containing water, they have the following problems: the use of cleaning solutions increases costs and environmental burden; the concentration of hypochlorite ions generated by electrolyzing chlorine-containing water is low, and the cleaning and sterilization effects are limited, especially when facing different types of stains, the effect is unstable. Utility Model Content

[0005] This disclosure provides a surface cleaning system for household floor cleaning.

[0006] According to one aspect of this disclosure, a surface cleaning system for household floor cleaning is provided, comprising:

[0007] A clean water tank, wherein the clean water tank is used to store water to be treated; and

[0008] A clean water treatment system, wherein the clean water treatment system is operatively connected to the clean water tank; wherein the clean water treatment system comprises:

[0009] cavity;

[0010] A positive electrode and a negative electrode, wherein the positive electrode and the negative electrode are disposed within the cavity;

[0011] A cation exchange membrane is disposed in the cavity, dividing the cavity into a first chamber and a second chamber, wherein the positive electrode is located in the first chamber and the negative electrode is located in the second chamber; the cation exchange membrane is configured to selectively permeate acidic ions and / or basic ions generated by water electrolysis.

[0012] An electrolysis power supply is electrically connected to the positive and negative electrodes to electrolyze the water in the cavity, wherein acidic electrolyzed water is generated on the positive electrode side and alkaline electrolyzed water is generated on the negative electrode side through selective ion permeation of the cation exchange membrane.

[0013] A control mechanism configured to selectively direct acidic or alkaline electrolyzed water to the point of direct use of the surface cleaning system.

[0014] A surface cleaning system for household floor cleaning according to at least one embodiment of the present disclosure includes a cavity comprising a first inlet and a second inlet, the first inlet communicating with a first chamber and the second inlet communicating with a second chamber; the cavity also includes a first outlet and a second outlet, the first outlet communicating with the first chamber and the second outlet communicating with the second chamber.

[0015] The control mechanism includes a first water pump and a second water pump, wherein the first water pump is connected to the first chamber through the first inlet, and the second water pump is connected to the second chamber through the second inlet;

[0016] Both the first outlet and the second outlet are connected to the water outlet.

[0017] According to at least one embodiment of the present disclosure, a surface cleaning system for household floor cleaning further includes a water treatment system comprising: a flow synchronization controller configured to dynamically adjust the pumping rates of the first and second water pumps.

[0018] A surface cleaning system for household floor cleaning according to at least one embodiment of the present disclosure includes a cavity comprising a first inlet and a second inlet, the first inlet communicating with a first chamber and the second inlet communicating with a second chamber; the cavity also includes a first outlet and a second outlet, the first outlet communicating with the first chamber and the second outlet communicating with the second chamber.

[0019] The control mechanism includes a pump structure and a two-position three-way valve, wherein the first inlet and the second inlet are both connected to the clean water tank through the pump structure; the first outlet and the second outlet are connected to the water outlet through the two-position three-way valve.

[0020] According to at least one embodiment of the present disclosure, in a surface cleaning system for household floor cleaning, the two-position three-way valve is configured to alternately fluidly communicate between a first outlet and a second outlet according to an operating mode, and during the switching of operating modes, the pump structure is configured to maintain a constant water flow through the first chamber and the second chamber.

[0021] According to at least one embodiment of the present disclosure, a surface cleaning system for household floor cleaning further includes a water treatment system comprising: a valve controller configured to activate the two-position three-way valve within 0.5 to 3 seconds before the completion of the current cleaning cycle of the surface cleaning system.

[0022] A surface cleaning system for household floor cleaning according to at least one embodiment of the present disclosure continuously generates ions in the other while discharging one of acidic electrolyzed water and alkaline electrolyzed water, thereby increasing the ion concentration in the other.

[0023] A surface cleaning system for household floor cleaning according to at least one embodiment of the present disclosure includes a surface cleaning device and a base station for docking the surface cleaning device, the water tank being located on the surface cleaning device and / or the base station, and the direct point of use being the roller brush of the surface cleaning device.

[0024] According to at least one embodiment of the present disclosure, a surface cleaning system for household floor cleaning has a water outlet communicating with the cavity located on the base station, and when the surface cleaning device is parked at the base station, the water outlet is adjacent to the roller brush of the surface cleaning device.

[0025] According to at least one embodiment of the present disclosure, a surface cleaning system for household floor cleaning has a water outlet communicating with the cavity located in the surface cleaning device, and the water outlet is arranged adjacent to the roller brush of the surface cleaning device.

[0026] A surface cleaning system for household floor cleaning according to at least one embodiment of the present disclosure includes a surface cleaning device configured to clean a surface to be cleaned according to an operating mode, wherein the operating mode includes:

[0027] A first cleaning mode, configured to output only acidic electrolyzed water for sterilization when cleaning minor stains; and

[0028] The second cleaning mode is configured to output only alkaline electrolyzed water or simultaneously output both acidic and alkaline electrolyzed water for cleaning heavy stains. Attached Figure Description

[0029] The accompanying drawings illustrate exemplary embodiments of the present disclosure and, together with the description thereof, serve to explain the principles of the present disclosure. These drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification.

[0030] Figure 1 This is a schematic diagram of the structure of a surface cleaning device according to one embodiment of the present disclosure.

[0031] Figure 2 This is a schematic diagram of the structure of a water treatment system for a surface cleaning apparatus according to one embodiment of the present disclosure.

[0032] Figure 3This is a schematic diagram of another embodiment of the water treatment system of the surface cleaning apparatus according to one embodiment of the present disclosure.

[0033] The specific labels in the attached figures are as follows:

[0034] 100 handle part

[0035] 200 Main body

[0036] 300 Liquid Supply Tank Assembly

[0037] 400 Recycling Tank Container

[0038] 500 Connecting part

[0039] 600 Cleaning Head

[0040] 610 roller brush

[0041] 700 Clean Water Treatment System

[0042] 710 cavity

[0043] 720 Positive Electrode

[0044] 730 Negative Electrode

[0045] 740 cation exchange membrane

[0046] 751 Pump Structure

[0047] 752 Two-position three-way valve

[0048] 761 First Clean Water Pump

[0049] 762 Second Clean Water Pump

[0050] 770 Outlet. Detailed Implementation

[0051] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the disclosure. Furthermore, it should be noted that, for ease of description, only the parts relevant to the present disclosure are shown in the accompanying drawings.

[0052] It should be noted that, where there is no conflict, the embodiments and features described in this disclosure can be combined with each other. The technical solutions of this disclosure will now be described in detail with reference to the accompanying drawings and embodiments.

[0053] Unless otherwise stated, the exemplary implementations / embodiments shown are to be understood as providing exemplary features of various details that provide ways in which the technical concepts of this disclosure can be implemented in practice. Therefore, unless otherwise stated, the features of various implementations / embodiments may be additionally combined, separated, interchanged and / or rearranged without departing from the technical concepts of this disclosure.

[0054] The use of crosshairs and / or shading in the accompanying drawings is generally used to clarify the boundaries between adjacent components. Thus, unless otherwise stated, the presence or absence of crosshairs or shading does not convey or indicate any preference or requirement for the specific material, material properties, dimensions, proportions, commonalities between the illustrated components, or any other characteristics, properties, etc., of the components. Furthermore, in the accompanying drawings, the dimensions and relative dimensions of components may be exaggerated for clarity and / or descriptive purposes. When exemplary embodiments can be implemented differently, a specific process sequence may be performed in a different order than that described. For example, two consecutively described processes may be performed substantially simultaneously or in the reverse order of their description. Furthermore, the same reference numerals denote the same components.

[0055] When a component is referred to as being "on" or "above" another component, "connected to," or "joined to" another component, the component may be directly on, directly connected to, or directly joined to the other component, or there may be intermediate components. However, when a component is referred to as being "directly on" another component, "directly connected to," or "directly joined to" another component, there are no intermediate components. Therefore, the term "connection" can refer to a physical connection, an electrical connection, etc., and may or may not have intermediate components.

[0056] For descriptive purposes, this disclosure may use spatial relative terms such as “below,” “under,” “below,” “down,” “above,” “above,” “higher,” and “side (e.g., in a “sidewall”)” to describe the relationship between one component and another component as shown in the accompanying drawings. In addition to the orientations depicted in the drawings, the spatial relative terms are also intended to encompass different orientations of the device during use, operation, and / or manufacture. For example, if the device in the drawings is flipped, a component described as “below” or “under” another component or feature would subsequently be positioned “above” said other component or feature. Thus, the exemplary term “below” can encompass both “above” and “below” orientations. Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or in other orientations), thus interpreting the spatial relative descriptive terms used herein accordingly.

[0057] The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, unless the context clearly indicates otherwise, the singular forms “a” and “the” are intended to include the plural forms as well. Furthermore, when the terms “comprising” and / or “including” and variations thereof are used in this specification, it indicates the presence of the stated features, integrals, steps, operations, parts, components, and / or groups thereof, but does not exclude the presence or addition of one or more other features, integrals, steps, operations, parts, components, and / or groups thereof. It should also be noted that, as used herein, the terms “substantially,” “about,” and other similar terms are used as approximate terms rather than as terms of degree, thus explaining the inherent biases in measurements, calculated values, and / or provided values ​​that would be recognized by one of ordinary skill in the art.

[0058] The surface cleaning system for household floor cleaning disclosed herein may include a surface cleaning device and a base station. The surface cleaning device is configured to move on the surface to be cleaned, thereby cleaning the surface. The base station is configured to dock the surface cleaning device; when the surface cleaning device is docked at the base station, the base station can provide power to the surface cleaning device, and the base station can also perform self-cleaning of the roller brush 610 of the surface cleaning device.

[0059] When a surface cleaning device cleans a surface, it has multiple operating modes. The device will then clean the surface according to the selected operating mode. These operating modes will be described in detail below.

[0060] Figure 1 This is a schematic diagram of the structure of a surface cleaning device according to one embodiment of the present disclosure.

[0061] like Figure 1 As shown, the surface cleaning device disclosed herein is configured to perform wet cleaning of a surface to be cleaned, wherein the surface to be cleaned can be a floor surface, preferably a household floor surface. Furthermore, after the surface cleaning device performs wet cleaning of the floor surface, the dirt and liquid (sewage) remaining from cleaning the surface can be recycled back to the surface cleaning device.

[0062] The surface cleaning device disclosed herein may include an upright body. Specifically, the upright body of the present disclosure may include a handle portion 100 and a main body portion 200. The handle portion 100 is detachably disposed on the main body portion 200. The user can operate the surface cleaning device by operating the handle portion 100, and the upright body can work in a manner substantially parallel to the surface to be cleaned during the operation of the surface cleaning device.

[0063] The handle 100 may be equipped with a user interaction button, which allows the user to control the surface cleaning equipment by triggering the button, such as controlling the start and stop of the surface cleaning equipment, as well as controlling the liquid supply speed and suction power of the suction source.

[0064] The main body 200 is pivotally connected to the cleaning head 600 via the connecting part 500; thus, when the user operates the handle part 100, the cleaning head 600 can be moved on the surface to be cleaned, and the surface to be cleaned can be cleaned by the cleaning head 600.

[0065] In one example, the connector 500 may include a universal joint to allow the body 200 to rotate relative to the cleaning head 600 in two directions. In another example, the connector 500 may include a multi-axis joint that couples the body 200 to the cleaning head 600 to allow the body 200 to rotate relative to the cleaning head 600 in a first direction and a second direction.

[0066] The main body 200 can be pivoted to an upright position (also known as a storage position) via the connecting part 500. In this position, the angle between the main body 200 and the surface of the cleaning head 600 (or the ground) is 80° to 90°, preferably around 80°. In this position, the surface cleaning device is in a self-supporting posture (also known as an upright posture), meaning that the main body 200 can be supported by the cleaning head 600, and an upright posture can be achieved without the aid of other objects.

[0067] The main body 200 can also accommodate components such as a clean water tank 300 and a recycling container 400. In this disclosure, the clean water tank 300 is detachably mounted to the side of the main body 200, and the mounting position can be located on the front side of the main body 200. The recycling container 400 is detachably mounted to the side of the main body 200, and the mounting position can be located on the rear side of the main body. In another embodiment, the clean water tank 300 of this disclosure can also be disposed on the cleaning head 600.

[0068] In one example, the thickness of the recycling tank container 400 is set to be less than its width, and the height of the clean water tank 300 is set to be less than its width. This ensures sufficient capacity and allows the overall height of the surface cleaning equipment to be less than a predetermined height, such as 120mm, after the main body 200 is laid flat.

[0069] The clean water tank 300 is used to store water to be treated. The water in the clean water tank 300 can be treated by the clean water treatment system 700 described below and then provided to the cleaning head 600 of the surface cleaning equipment, or to the surface to be cleaned near the cleaning head 600, so that the surface to be cleaned can be wet-cleaned using the water treated by the clean water treatment system 700.

[0070] The main body 200 has a receiving space. The recycling tank container 400 is detachably installed in the main body 200 and located in the receiving space. When the recycling tank container 400 contains a large amount of liquid, the user can remove the recycling tank container 400, pour out the sewage inside, and clean up the solid waste. At this time, part of the outer surface of the recycling tank container 400 forms part of the outer surface of the surface cleaning device.

[0071] The cleaning head 600 disclosed herein may include a roller brush 610 and a suction nozzle; wherein the suction nozzle is located behind the roller brush 610, thereby allowing used water and dirt to enter the recycling line through the suction nozzle and flow further to the recycling tank container 400.

[0072] Based on the above structure, the surface cleaning equipment disclosed herein can form a liquid recovery system with the recovery tank container 400 at its center.

[0073] Figure 2 This is a structural schematic diagram of a water treatment system 700 of a surface cleaning apparatus according to one embodiment of the present disclosure. Figure 3 This is a schematic diagram of another embodiment of a water treatment system 700 for a surface cleaning apparatus according to one embodiment of the present disclosure.

[0074] like Figure 2 and Figure 3 As shown, the water treatment system 700 of this disclosure is operatively connected to the water tank 300, thereby enabling the water treatment system 700 to treat the water stored in the water tank 300.

[0075] In some embodiments, the water treatment system 700 includes components such as a cavity 710, a positive electrode 720, a negative electrode 730, and a cation exchange membrane 740.

[0076] The cavity 710 of this disclosure has an interior capable of forming a receiving space. This receiving space can store water. In a preferred embodiment, the cavity 710 can be made of an insulating material or the like.

[0077] A cation exchange membrane 740 is disposed in the cavity 710, dividing the cavity 710 into a first chamber and a second chamber. In one specific embodiment, the first chamber and the second chamber may have approximately the same volume. Those skilled in the art will understand that the volumes of the first chamber and the second chamber may also differ depending on the usage environment.

[0078] In other words, through the arrangement of the cation exchange membrane 740, the first chamber and the second chamber are respectively formed as independent storage spaces. That is, the first chamber and the second chamber are not fluidly connected except for the exchange of ionic substances through the cation exchange membrane 740.

[0079] A positive electrode 720 and a negative electrode 730 are disposed within a cavity 710; specifically, the positive electrode 720 is located in a first cavity, and the negative electrode 730 is located in a second cavity; at this time, a cation exchange membrane 740 is located between the positive electrode 720 and the negative electrode 730. In a preferred embodiment, both the positive electrode 720 and the negative electrode 730 are formed as sheet-like electrode structures.

[0080] At this time, after the positive electrode 720 and the negative electrode 730 electrolyze water, the cation exchange membrane 740 is configured to selectively permeate acidic ions and / or alkaline ions generated by water electrolysis; thus, acidic electrolyzed water will be generated in the first chamber, and correspondingly, alkaline electrolyzed water will be generated in the second chamber.

[0081] The water treatment system 700 disclosed herein also includes an electrolysis power source (not shown in the figure) electrically connected to a positive electrode 720 and a negative electrode 730 to electrolyze the water in the cavity 710, thereby generating acidic electrolyzed water on the positive electrode 720 side and alkaline electrolyzed water on the negative electrode 730 side through selective ion permeation of the cation exchange membrane 740.

[0082] The control mechanism is configured to selectively direct acidic or alkaline electrolyzed water to the point of direct use of the surface cleaning system; wherein, during the discharge of acidic or alkaline electrolyzed water, the acidic and alkaline electrolyzed water are kept separate to prevent acid-base neutralization.

[0083] In other words, under normal circumstances, acidic electrolyzed water and alkaline electrolyzed water are not discharged at the same time. Instead, depending on the different operating modes, the appropriate type of electrolyzed water is selected and discharged.

[0084] The cavity 710 disclosed herein includes a first inlet and a second inlet. The first inlet is connected to a first chamber, and the second inlet is connected to a second chamber. Thus, water in the clean water tank 300 can enter the first chamber through the first inlet, and similarly, water in the clean water tank 300 can also enter the second chamber through the second inlet.

[0085] The cavity 710 includes a first outlet and a second outlet. The first outlet is connected to the first chamber, and the second outlet is connected to the second chamber. Thus, acidic electrolyzed water can be discharged to the outside of the first chamber through the first outlet, and similarly, alkaline electrolyzed water can be discharged to the outside of the second chamber through the second outlet.

[0086] In one embodiment, such as Figure 1 As shown, the control mechanism of this disclosure can be implemented using a water pump. In this case, the control mechanism may include a pump structure 751 and a two-position three-way valve 752. The first inlet and the second inlet are both connected to the clean water tank 300 via the pump structure 751; the first outlet and the second outlet are connected to the water outlet via the two-position three-way valve 752. That is, when the pump structure 751 is started, it can simultaneously inject water into the first chamber and the second chamber. Those skilled in the art should understand that when the first chamber discharges acidic electrolyzed water, the pump structure 751 will inject water into the first chamber. Correspondingly, since the second chamber does not discharge alkaline electrolyzed water, the pump structure 751 will not inject water into the second chamber. On the other hand, when the second chamber discharges alkaline electrolyzed water, the pump structure 751 will inject water into the second chamber. Correspondingly, since the first chamber does not discharge alkaline electrolyzed water, the pump structure 751 will not inject water into the first chamber.

[0087] In one embodiment, the outlet can be a nozzle capable of spraying electrolyzed water outwards. For example, the nozzle can spray electrolyzed water onto a roller brush or a surface to be cleaned near the roller brush. In another embodiment, the outlet can be connected to a nozzle and spray electrolyzed water outwards through the nozzle.

[0088] As an alternative, the two-position three-way valve 752 disclosed herein can be replaced by two on / off valves. In this case, the first outlet and the water outlet are connected through a first pipeline, and the second outlet and the water outlet are connected through a second pipeline, with on / off valves installed on both the first and second pipelines.

[0089] In some embodiments, the two-position three-way valve 752 is configured to alternately fluidly communicate between a first outlet and a second outlet according to an operating mode, and during the switching of operating modes, the pump structure 751 is configured to maintain a constant water flow through the first chamber and the second chamber. In other words, the pump structure 751 remains in the operating state when the two-position three-way valve 752 of this disclosure switches between different operating states.

[0090] like Figure 3 As shown, the control mechanism of this disclosure may include two pump structures. Specifically, the control mechanism of this disclosure includes a first clean water pump 761 and a second clean water pump 762. The first clean water pump 761 is connected to the first chamber through a first inlet, and the second clean water pump 762 is connected to the second chamber through a second inlet. At this time, the first outlet and the second outlet are both connected to the water outlet through their respective pipelines.

[0091] At this time, when it is necessary to discharge acidic electrolyzed water from the first chamber, the first clean water pump 761 can be started, and water can be added to the first chamber through the first clean water pump 761, and the acidic electrolyzed water in the first chamber can be discharged; similarly, when it is necessary to discharge alkaline electrolyzed water from the second chamber, the second clean water pump 761 can be started, and water can be added to the second chamber through the second clean water pump 762, and the alkaline electrolyzed water in the second chamber can be discharged.

[0092] The water treatment system disclosed herein also includes a flow synchronization controller (not shown) configured to dynamically adjust the pumping rates of the first water pump 761 and the second water pump 762 to maintain hydraulic balance on the cation exchange membrane when electrolyzed water is output from one of the first and second chambers. Additionally, a predetermined pressure difference is generated between the electrode sides in preparation for output mode switching.

[0093] In other words, the flow synchronization controller disclosed herein can be a motor controller, which can be implemented using products in the prior art, and will not be described in detail here.

[0094] In one embodiment, the water treatment system of this disclosure further includes a valve controller (not shown in the figure), which is configured to activate a two-position three-way valve 752 within 0.5 to 3 seconds before the current cleaning cycle of the surface cleaning system is completed. Thus, the surface cleaning equipment of this disclosure can switch between acidic electrolyzed water and alkaline electrolyzed water in a timely manner during use.

[0095] In one embodiment of this disclosure, while one of the acidic and alkaline electrolyzed waters is discharged, ions are continuously generated in the other to increase the ion concentration in the other, thereby utilizing the residual pressure in the unselected water to accelerate the accumulation of ion concentration, so as to achieve the output of high-concentration electrolyzed water in the next cleaning cycle.

[0096] In the implementation of this disclosure, regardless of whether the clean water tank 300 is installed on the surface cleaning device or on the base station, the direct point of use is the roller brush 610 of the surface cleaning device.

[0097] In this embodiment, the water outlet communicating with the cavity 710 is located in the surface cleaning device, and the water outlet is positioned adjacent to the roller brush 610 of the surface cleaning device.

[0098] In another embodiment of this disclosure, the clean water tank 300 may be located on the base station. In this case, the clean water treatment system 700 is also installed on the base station. In this case, the electrolyzed water treated by the clean water treatment system 700 can be used for self-cleaning of the roller brush of the surface cleaning equipment, etc.

[0099] In this embodiment, the water outlet connected to the cavity 710 is located on the base station. When the surface cleaning device is parked at the base station, the water outlet is adjacent to the roller brush 610 of the surface cleaning device.

[0100] The surface cleaning device disclosed herein, in use, includes a first cleaning mode and a second cleaning mode. The first cleaning mode is configured to output only acidic electrolyzed water for sterilization when cleaning light stains; the second cleaning mode is configured to output only alkaline electrolyzed water or simultaneously output both acidic and alkaline electrolyzed water for stain removal when cleaning heavy stains. When acidic and alkaline electrolyzed water are discharged simultaneously, it is necessary to maintain their separation to prevent acid-base neutralization.

[0101] Based on the above structure, the surface cleaning system for household floor cleaning disclosed herein significantly improves the bactericidal effect of water and the cleaning effect on stains without adding any chemical cleaning solutions. In other words, this disclosure, through electrolysis supplemented by ion separation technology, can increase the concentration of acidic and alkaline ions in the cleaning solution, providing a more efficient and environmentally friendly solution for household cleaning.

[0102] At this time, in the surface cleaning system for household floor cleaning disclosed herein, a semi-closed state can be maintained on the non-output electrode side, where the circulation flow rate is reduced to 10-30% of the normal operating flow rate and the electrode voltage is increased by 15-25% to enhance the ion generation conditions.

[0103] Compared to existing technologies, the surface cleaning system for household floor cleaning disclosed herein has significant advantages. For example, it enhances the cleaning power and sterilization effect of water without the need for added chemical cleaning solutions, reducing environmental pollution and operating costs. Secondly, the microbubbles generated during electrolysis further enhance the water's adsorption capacity for stains, improving cleaning efficiency. Furthermore, by selectively outputting acidic or alkaline electrolyzed water, the module adapts to different cleaning scenarios (e.g., using acidic electrolyzed water for sterilization of light stains and alkaline electrolyzed water for cleaning of heavy stains), optimizing resource utilization and preventing acid-base neutralization from reducing effectiveness. The dynamic concentration enhancement mechanism also ensures a higher ion concentration in subsequent outputs during mode switching, thereby improving long-term stability and effectiveness.

[0104] In one embodiment, when the flow rate of acidic electrolyzed water and / or alkaline electrolyzed water reaches a threshold or the electrode action time reaches a predetermined threshold, the electrode may selectively enter a closed state and cease electrolysis.

[0105] In one embodiment, when the flow rate of acidic electrolyzed water and / or alkaline electrolyzed water reaches a threshold or the electrode action time reaches a predetermined threshold, the electrode may selectively enter a closed state and cease electrolysis.

[0106] Once the cleaning is completed within the specified time, the water pump stops, and the cleaning process ends.

[0107] In one example, in a surface cleaning system, when the chamber simultaneously generates both acidic and alkaline electrolyzed water, one type of electrolyzed water is output from the nozzle as cleaning water for use, while the other type can be stored in the chamber until the next cleaning step begins. Then, when the first cleaning step is completed and the next cleaning step (the second cleaning step) begins, the other type of electrolyzed water can be used as cleaning water for the second cleaning step.

[0108] Therefore, the electrolyzed water will not be discarded due to lack of use, which can greatly save water. The size of the chamber only needs to have a capacity at least equivalent to the amount of electrolyzed water required for each cleaning step, in order to save design space. In particular, if it is desirable to reduce the size of the surface cleaning system itself by reducing the size of the chamber, the capacity of the chamber can be made to store the amount of electrolyzed water required for each cleaning step, that is, a capacity approximately equivalent to that amount of electrolyzed water.

[0109] In a standard floor cleaning procedure, acidic electrolyzed water is first provided when the first cleaning step begins. This acidic electrolyzed water is pressurized by applying voltage to a clean water pump and sprayed onto the roller brush of the surface cleaning equipment through nozzles connected to the outlet. In one example, the acidic electrolyzed water is heated while circulating because voltage is also applied to a heater within the surface cleaning system, further enhancing its sterilization effect.

[0110] Then, a specified number of cleaning steps are performed, each of which includes a step from cleaning to discharge, each step is performed with fresh cleaning water in a manner similar to the first cleaning step, and finally, the roller brush and / or the surface to be cleaned are rinsed with fresh acidic electrolyzed water as a rinsing step in a manner similar to the cleaning steps.

[0111] It should be noted that the amount of cleaning water supplied to and stored in the cavity is equal to the amount of cleaning water required for each of the multiple cleaning and rinsing steps.

[0112] The number of cleaning steps can be set arbitrarily according to the degree of dirt and bacteria attached to the roller brush and the surface to be cleaned.

[0113] Furthermore, although acidic electrolyzed water is specified herein as the cleaning water for the first cleaning step, this disclosure is not limited thereto. In other words, the nature of the cleaning water used in the first cleaning step can be determined based on the degree of dirt, especially grease, adhering to the roller brush or the surface to be cleaned. More specifically, when a large amount of grease adheres to the roller brush and / or the surface to be cleaned, alkaline electrolyzed water is used as the water in the first cleaning step.

[0114] Typically, the first step involves cleaning with acidic electrolyzed water. In this first cleaning step, the acidic electrolyzed water causes grease to coagulate, effectively removing dirt adhering to the roller brush and / or the surface to be cleaned. Therefore, the cleaning load on residual dirt is reduced in subsequent cleaning steps, resulting in improved cleaning performance. When a large amount of grease adheres to the roller brush and / or the surface to be cleaned, after the first cleaning step with acidic electrolyzed water, an alkaline electrolyzed water step is used. This promotes the emulsification, hydrolysis, and swelling of residual grease, protein, and starch after the first cleaning step, effectively cleaning the roller brush and / or the surface to be cleaned.

[0115] When cleaning the roller brush and / or the surface to be cleaned in multiple cleaning steps, the dirt load can be considered to determine the properties of the cleaning water (alkaline or acidic electrolyzed water) used in each cleaning step.

[0116] In addition, if acidic electrolyzed water is used for a second cleaning after the cleaning steps are completed, no water stains will appear on the roller brush and / or the surface to be cleaned during rinsing.

[0117] The drying step following the rinsing step is achieved by blowing heated air into the pipes of the roller brush or surface cleaning equipment through a drying fan and PTC heater installed on the base station.

[0118] Throughout the series of cleaning and rinsing steps, time, temperature, and water level (cleaning water volume) are appropriately controlled by the controller based on signals from various types of sensors (not shown) located in corresponding parts and positions of the surface cleaning system. More specifically, the controller automatically controls the voltage of the electrolytic cleaning water control mechanism, the cleaning of the positive and negative electrodes, the opening and closing of the two-position three-way valve, the water storage capacity of the chamber, the amount of cleaning water supplied to the clean water tank or chamber, the drive of the clean water pump, and the operation of the drying fan and PTC heater. Therefore, acidic and alkaline electrolytic water can be supplied automatically or semi-automatically according to the steps or the user-specified operating mode, and the roller brush can perform self-cleaning and drying at the base station of the surface cleaning system.

[0119] The surface cleaning system will now be described in detail through several specific cleaning examples. Acidic electrolyzed water with a pH of 3.5 and alkaline electrolyzed water with a pH of 10.0 are used for cleaning. However, it should be noted that it has been verified beforehand that the same cleaning performance can be obtained even if the pH of the various cleaning waters used in this example is changed.

[0120] The cleaning capability of each cleaning example is represented by a corresponding cleaning rate. A higher cleaning rate indicates stronger cleaning capability. The cleaning rate is an index of cleanliness after the relevant surface cleaning system has cleaned the surface or the roller brush has self-cleaned. This index is obtained through visual inspection of cleanliness or automatically identified by a computer program, and conforms to certain standards.

[0121] First, in one example, it's necessary to consider how the cleaning efficiency changes with the temperature of the water used in the first cleaning step. Typically, in cleaning steps, the cleaning power of acidic electrolyzed water increases with increasing water temperature. This is because fats and oils, especially solid fats and oils, do not dissolve sufficiently in acidic electrolyzed water at lower temperatures.

[0122] Therefore, in the first cleaning step, the temperature of the acidic electrolyzed water should preferably reach at least 30°C, so as to dissolve at least the solid greases, such as vegetable or animal fats.

[0123] We will now consider the change in cleaning efficiency with the temperature of the alkaline electrolyzed water used in the second cleaning step. Generally, in cleaning steps, the cleaning power of alkaline electrolyzed water increases with increasing water temperature. This is because if the temperature of the alkaline electrolyzed water is low, the dispersion of dirt decreases, thus affecting the cleaning efficiency. Experiments have shown that the temperature of the alkaline electrolyzed water used for cleaning is ideally at least 50°C.

[0124] Furthermore, in one example, a better cleaning effect was achieved when acidic electrolyzed water, alkaline electrolyzed water, neutral water, alkaline electrolyzed water, and acidic electrolyzed water were used simultaneously in each cleaning step.

[0125] The roller brush and / or the surface to be cleaned are cleaned with acidic electrolyzed water in the first cleaning step, which effectively removes dirt adhering to the roller brush and / or the surface to be cleaned, and reduces the grease load in the cleaning water used in subsequent cleaning steps, thereby improving the cleaning effect of the roller brush and / or the surface to be cleaned. Because acidic electrolyzed water at a temperature of at least 30°C is used in the cleaning step, animal grease adhering to the roller brush is effectively removed, reducing the animal grease load in the cleaning water used in the cleaning step, thus improving the cleaning effect of the roller brush and / or the surface to be cleaned.

[0126] Furthermore, since alkaline electrolyzed water is used for cleaning in at least one subsequent cleaning step, the alkaline electrolyzed water causes grease emulsification, protein hydrolysis, and starch swelling, thereby further improving the cleaning effect.

[0127] In addition, alkaline electrolyzed water at a temperature of at least 50°C was used in the cleaning process, which promoted the emulsification of grease, hydrolysis of protein, and swelling of starch caused by alkaline electrolysis, thereby further improving the cleaning effect.

[0128] Furthermore, in one embodiment, in the multiple steps of cleaning and rinsing the roller brush and / or the surface to be cleaned, the number of consecutive steps using cleaning water of the same nature is at most two steps each of alkaline electrolyzed water and acidic electrolyzed water. In this way, the acidic and alkaline electrolyzed water produced each time the clean water is supplied can be used for cleaning, and neither the acidic nor alkaline electrolyzed water produced will be wasted, thus achieving water conservation.

[0129] In the self-cleaning step, the self-cleaning process begins first. A voltage is applied to the water pump to pressurize the acidic and / or alkaline electrolyzed water within the chamber. The water is then sprayed from nozzles located near the roller brush on the surface cleaning device or from nozzles located near the roller brush on the base station to clean the roller brush. The cleaning effect can be improved by switching the power of the water pump to adjust the spray pressure of the cleaning water. Furthermore, the acidic and / or alkaline electrolyzed water is heated during circulation due to the simultaneous application of voltage to the PTC heater on the base station, further enhancing the cleaning effect.

[0130] Wastewater generated after the use of acidic and / or alkaline electrolyzed water is either recovered by surface cleaning equipment through vacuuming or discharged into the sewer system via a drainage pump from the base station.

[0131] A specified number of cleaning steps are then performed, including a drying step after a series of cleaning steps, from cleaning to recycling, are executed using fresh cleaning water in a manner similar to the cleaning steps described above. The drying step is accomplished by blowing heated air onto the roller brush using a drying fan and a PTC heater located on the base station.

[0132] In a series of cleaning and rinsing steps, time, temperature, and water level (cleaning water volume) are all appropriately controlled by the controller based on signals from various sensors (not shown) located in corresponding parts and positions. More specifically, the controller automatically controls the application of voltage to the electrolytic cleaning water control mechanism, the cleaning of the positive and negative electrodes, the opening and closing of the two-position three-way valve, the water storage volume in the clean water tank, the amount of acidic and / or alkaline electrolytic water supplied, the temperature of the acidic and alkaline electrolytic water heated by the heater, the driving of the clean water pump and the drain pump, and the operation of the drying fan and the PTC heater. Therefore, acidic and alkaline electrolytic water can be automatically supplied / discharged step by step, and the roller brush can be used for drying at the base station.

[0133] In one example, a controller is included to regulate the voltage applied to the aforementioned electrolytic clean water control mechanism, such that the pH of alkaline electrolyzed water is at least 8.5 and the pH of acidic electrolyzed water is at most 6.0.

[0134] Heated cleaning during the self-cleaning process more effectively removes bacteria and stubborn stains. Since the acidic electrolyzed water is at least 30°C, it improves the cleaning effect on the roller brush and / or the surface to be cleaned. Similarly, using alkaline electrolyzed water at a temperature of at least 50°C also improves cleaning results. In one example, acidic water with a pH not exceeding 6.0 and a temperature not lower than 30°C was used for cleaning at a low flow rate over 10 minutes. In this case, bacteria adhering to the roller brush or the floor are inhibited or killed by the acidic electrolyzed water, and grease forms cohesive forces through the acidic electrolyzed water to prevent re-adhesion to the roller brush or the floor.

[0135] Next, clean using alkaline electrolyzed water with a pH of at least 8.5, a temperature of at least 50°C, and a high flow rate. This promotes the emulsification, hydrolysis, and swelling of grease, protein, and starch that were previously adhering to the roller brush or the floor, thereby effectively washing away stubborn dirt adhering to the roller brush surface or the floor.

[0136] Next, clean using acidic electrolyzed water with a pH value not exceeding 6.0 and a temperature not lower than 30°C. This step allows for less redispersibility of the dirt and can be used to neutralize any alkaline stains remaining on the floor.

[0137] In subsequent cleaning steps, in addition to using acidic electrolyzed water with a pH value not exceeding 6.0 and alkaline electrolyzed water with a pH value not lower than 8.5, neutral cleaning water can be used directly for cleaning.

[0138] It is important to note that in this embodiment, the number of cleaning steps and the nature of the cleaning water used in each step (alkaline or acidic) can be arbitrarily set according to the degree of dirt attached to the roller brush and / or the surface to be cleaned. For example, if the degree of dirt is low, only the cleaning steps using acidic electrolyzed water and the cleaning steps using neutral water (clean water) can be performed. The degree of dirt can be determined by visual inspection by the user or by automatic identification through a dirt recognition system, which is a conventional technology in the industry and its principle will not be elaborated here. Based on the automatically identified dirt, the controller is configured to automatically schedule cleaning steps, that is, the order, timing, and temperature of calling acidic electrolyzed water, neutral water, and alkaline electrolyzed water, etc.

[0139] In one example, one of the multiple cleaning steps uses acidic electrolyzed water with a pH value not exceeding 6.0 and a temperature not exceeding 30°C. This allows weakly adhering animal grease to be effectively washed away by the grease cohesion generated by the acidic electrolyzed water, reducing the load on the roller brush or surface facing subsequent cleaning steps and thus improving the cleaning effect on the roller brush and / or the surface to be cleaned. Furthermore, as the grease is removed from the roller brush or surface, the cohesive grease can be recovered by vacuuming without redispersing. Additionally, a low flow rate of the acidic electrolyzed water can prevent the grease from dispersing and adhering to the surface cleaning equipment, base station, or other parts of the ground once it has coheded. In alkaline cleaning methods, use alkaline electrolyzed water with a pH of at least 8.5 and a temperature not exceeding 50°C to clean the roller brush and / or the surface to be cleaned for stubborn stains. The cleaning time should be extended and the supply power of the alkaline electrolyzed water should be increased. This is beneficial for the emulsification of grease, hydrolysis of protein, and swelling of starch caused by alkaline electrolysis, thereby improving the cleaning effect.

[0140] The specific implementation of the concentration dynamic enhancement mechanism includes: reducing the circulating flow rate on the non-output electrode side to 10-30% of the normal operating flow rate and increasing the electrode voltage by 15-25% to create stronger ion generation conditions. This mechanism is particularly effective in single-sided output, ensuring a significant increase in output ion concentration after mode switching.

[0141] In the description of this specification, the references to terms such as "one embodiment / mode," "some embodiments / modes," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment / mode or example is included in at least one embodiment / mode or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment / mode or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments / modes or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments / modes or examples described in this specification, as well as the features of different embodiments / modes or examples.

[0142] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0143] Those skilled in the art should understand that the above embodiments are merely for illustrating the present disclosure and are not intended to limit the scope of the disclosure. Those skilled in the art can make other changes or modifications based on the above disclosure, and these changes or modifications still fall within the scope of the present disclosure.

Claims

1. A surface cleaning system for household floor cleaning, characterized in that, include: A clean water tank is used to store water to be treated; as well as A clean water treatment system, wherein the clean water treatment system is operatively connected to the clean water tank; wherein the clean water treatment system comprises: cavity; A positive electrode and a negative electrode, wherein the positive electrode and the negative electrode are disposed within the cavity; A cation exchange membrane is disposed in the cavity, dividing the cavity into a first chamber and a second chamber, wherein the positive electrode is located in the first chamber and the negative electrode is located in the second chamber; the cation exchange membrane is configured to selectively permeate acidic ions and / or basic ions generated by water electrolysis. An electrolysis power supply is electrically connected to the positive and negative electrodes to electrolyze the water in the cavity, wherein acidic electrolyzed water is generated on the positive electrode side and alkaline electrolyzed water is generated on the negative electrode side through selective ion permeation of the cation exchange membrane. A control mechanism configured to selectively direct acidic or alkaline electrolyzed water to the point of direct use of the surface cleaning system.

2. The surface cleaning system for household floor cleaning according to claim 1, characterized in that, The cavity includes a first inlet and a second inlet, the first inlet communicating with the first chamber and the second inlet communicating with the second chamber; the cavity also includes a first outlet and a second outlet, the first outlet communicating with the first chamber and the second outlet communicating with the second chamber. The control mechanism includes a first water pump and a second water pump, wherein the first water pump is connected to the first chamber through the first inlet, and the second water pump is connected to the second chamber through the second inlet; Both the first outlet and the second outlet are connected to the water outlet.

3. The surface cleaning system for household floor cleaning according to claim 2, characterized in that, The water treatment system further includes a flow synchronization controller, which is configured to dynamically adjust the pumping rates of the first and second water pumps.

4. The surface cleaning system for household floor cleaning according to claim 1, characterized in that, The cavity includes a first inlet and a second inlet, the first inlet communicating with the first chamber and the second inlet communicating with the second chamber; the cavity also includes a first outlet and a second outlet, the first outlet communicating with the first chamber and the second outlet communicating with the second chamber. The control mechanism includes a pump structure and a two-position three-way valve, wherein the first inlet and the second inlet are both connected to the clean water tank through the pump structure; the first outlet and the second outlet are connected to the water outlet through the two-position three-way valve.

5. The surface cleaning system for household floor cleaning according to claim 4, characterized in that, The two-position three-way valve is configured to alternately communicate fluid between the first and second outlets according to the operating mode, and the pump structure is configured to maintain a constant flow of water through the first and second chambers during the operating mode switching.

6. The surface cleaning system for household floor cleaning according to claim 4, characterized in that, The water treatment system further includes a valve controller configured to activate the two-position three-way valve within 0.5 to 3 seconds before the current cleaning cycle of the surface cleaning system is completed.

7. The surface cleaning system for household floor cleaning according to claim 1, characterized in that, While discharging one of the acidic and alkaline electrolyzed waters, ions are continuously generated in the other to increase the ion concentration in the other.

8. The surface cleaning system for household floor cleaning according to claim 1, characterized in that, The surface cleaning system includes a surface cleaning device and a base station for docking the surface cleaning device. The clean water tank is located on the surface cleaning device and / or the base station, and the direct point of use is the roller brush of the surface cleaning device.

9. The surface cleaning system for household floor cleaning according to claim 8, characterized in that, The water outlet communicating with the cavity is located on the base station. When the surface cleaning device is parked at the base station, the water outlet is adjacent to the roller brush of the surface cleaning device; and / or, the water outlet communicating with the cavity is located on the surface cleaning device, and the water outlet is arranged adjacent to the roller brush of the surface cleaning device.

10. The surface cleaning system for household floor cleaning according to claim 1, characterized in that, The surface cleaning system includes a surface cleaning device configured to clean a surface to be cleaned according to an operating mode, wherein the operating mode includes: A first cleaning mode, configured to output only acidic electrolyzed water for sterilization when cleaning minor stains; and The second cleaning mode is configured to output only alkaline electrolyzed water or simultaneously output both acidic and alkaline electrolyzed water for cleaning heavy stains.

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