Surface cleaning system and drying process method

Abstract

The present application relates to a kind of surface cleaning system and drying treatment method, including base station device, surface cleaning device and control unit, surface cleaning device includes brush roll, brush roll motor and suction motor;Base station device includes the recess capable of receiving brush roll and the heating body capable of heating at least part of the groove wall of recess, brush roll motor, suction motor and heating body are all controlled by control unit;Surface cleaning system is configured to be able to perform drying treatment for brush roll;Wherein, drying treatment includes sequentially carried out first, second stage;In the first stage, control unit controls brush roll motor, suction motor and controls heating body to work with first heating power;In the second stage, control unit controls brush roll motor and suction motor and controls heating body to work with second heating power less than first heating power or controls heating body to stop heating.The surface cleaning system of the case, high energy utilization rate and can quickly dry brush roll.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of cleaning equipment, in particular to a surface cleaning system and a drying treatment method. BACKGROUND

[0002] Surface cleaning machines using cleaning liquid, such as water, to perform cleaning operation have been widely used in daily life. For example, wet floor cleaning equipment capable of using water or water / cleaner mixture to scrub the floor, which is provided with a brush roller contacting the floor and carries a recovery container to recover used cleaning liquid, the brush roller can pick up the cleaning liquid which has become dirty liquid together with the debris on the ground and deliver it to the recovery container under the action of a suction motor.

[0003] During the operation of such surface cleaning machines, the brush roller is in constant contact with the dirty liquid; this will make it necessary to clean the brush roller after the operation of such machines is completed and to actively dry the brush roller after cleaning to prevent odor and mold growth on the brush roller.

[0004] In the prior art, the schemes for drying the brush roller mainly include a hot air blowing drying scheme and a heating plate drying scheme, both of which have the problems of slow drying speed and low energy utilization rate. SUMMARY

[0005] In view of the above technical problems, the purpose of the present application is to provide a surface cleaning system and a drying treatment method which can reasonably utilize energy and achieve fast drying of the brush roller.

[0006] In order to achieve the above-mentioned objectives, the present invention provides, on one hand, a surface cleaning system, which includes a base station device, a surface cleaning device capable of being parked at the base station device, and a control unit, the surface cleaning device including a suction nozzle, a brush roller, a brush roller motor for driving the brush roller to rotate, and a suction motor; the base station device includes a groove capable of accommodating at least part of the brush roller and a heating element capable of heating at least part of the groove wall of the groove while the surface cleaning device is parked at the base station device, the brush roller motor, the suction motor, and the heating element are all signal-connected to and controlled by the control unit; the surface cleaning system is configured to perform a drying process on the brush roller while the surface cleaning device is parked at the base station device; wherein the drying process includes a first stage and a second stage performed sequentially; in the first stage, the control unit controls the brush roller motor and the suction motor to start working and controls the heating element to work at a first heating power; in the second stage, the control unit controls the brush roller motor and the suction motor to continue to start working and controls the heating element to work at a second heating power less than the first heating power or controls the heating element to stop heating.

[0007] In some preferred embodiments, the base station device includes a heat-conducting component, which constitutes at least a portion of a groove wall of the groove, and the heating element is in thermal conduction contact with the heat-conducting component.

[0008] In some preferred embodiments, the heating element is embedded in the heat-conducting component.

[0009] In some preferred embodiments, the heat-conducting member circumferentially covers a portion of the outer side of the brush roller when the surface cleaning device is parked on the base station device.

[0010] In some preferred embodiments, the brush roller includes an exposed portion exposed to the outside, and the heat-conducting member circumferentially covers at least 50 percent of the exposed portion when the surface cleaning device is parked on the base station device.

[0011] In some preferred embodiments, the brush roller includes a cylindrical roller body and a cleaning element covering the outer peripheral surface of the roller body and capable of being soaked in liquid.

[0012] In some preferred embodiments, the heat-conducting member has an arc-shaped outer surface; the outer surface contacts the cleaning element when the surface cleaning device is parked on the base station device.

[0013] In some preferred embodiments, the surface cleaning system is configured to perform a self-cleaning process of washing the brush roller with water while the surface cleaning device is parked on the base station device, and the drying process occurs after the self-cleaning process.

[0014] In some preferred embodiments, the control unit includes a first controller arranged at the surface cleaning device and a second controller arranged at the base station device, the brush roller motor and the suction motor are connected to and controlled by the first controller signal, and the heating element is connected to and controlled by the second controller signal.

[0015] In some preferred embodiments, the base station device includes a power supply unit, which includes an electrical plug that can be electrically connected to an external electrical socket; the heating element is configured to receive electrical energy and dissipate heat; and the power supply unit is electrically connected to the heating element so as to provide electrical energy to the heating element for generating heat.

[0016] In some preferred embodiments, the surface cleaning device further comprises a water tank and a dirty liquid recovery tank, wherein the water tank is configured to provide water to the brush roller, and the dirty liquid recovery tank is located between the suction nozzle and the suction motor.

[0017] In some preferred embodiments, in one of the drying processes, the duration of the second stage is shorter than the duration of the first stage.

[0018] On the other hand, the present invention provides: a drying treatment method, applied to a surface cleaning system, the surface cleaning system includes a base station device and a surface cleaning device that can be parked at the base station device, the surface cleaning device includes a suction nozzle, a brush roller, a brush roller motor for driving the brush roller to rotate, and a suction motor, the base station device includes a groove that can accommodate at least part of the brush roller while the surface cleaning device is parked at the base station device and a heating element that can heat at least part of the groove wall of the groove, the drying treatment method includes: when the surface cleaning device is docked at the base station device, in response to the satisfaction of the drying treatment conditions, controlling the suction motor and the brush roller motor to start working, and controlling the heating element to first work at a first heating power, and then controlling the heating element to work at a second heating power less than the first heating power or controlling the heating element to stop heating.

[0019] In some preferred embodiments, the drying treatment method further includes: controlling the brush roller motor to drive the brush roller to rotate at a speed not lower than the rotation speed of the brush roller when the surface cleaning device is operating on the surface to be cleaned.

[0020] In some preferred technical solutions, the drying treatment condition includes: whether the brush roller has completed the self-cleaning treatment of washing the brush roller with water.

[0021] Compared with the existing technology, the surface cleaning system provided by the present invention makes energy utilization more reasonable by actively reducing the energy consumption of the heating element during a stage of the drying process; and because the heating element reduces the heat generation or stops generating heat during this stage, it can shorten the time that the brush roller is continuously baked at high temperature, thereby extending the service life of the brush roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A three-dimensional structural diagram of the surface cleaning system provided by the present invention; wherein the surface cleaning device is parked on the base station device;

[0023] Figure 2 A perspective view of a surface cleaning device provided by the present invention;

[0024] Figure 3 This is a main cross-sectional view of the surface cleaning device provided by the present invention, wherein the dirty liquid recovery tank is removed and the handle is omitted;

[0025] Figure 4 A three-dimensional diagram of a base station device provided by an embodiment of the present invention;

[0026] Figure 5 An exploded view of a base station apparatus provided by an embodiment of the present invention;

[0027] Figure 6 This is a diagram of the cleaning base and the base station device being docked when the surface cleaning device according to an embodiment of the present invention is parked on the base station device;

[0028] Figure 7 A control principle diagram of a surface cleaning system provided by an embodiment of the present invention;

[0029] Figure 8 A sequence diagram of various processes provided by an embodiment of the present invention;

[0030] Figure 9 A diagram showing the stages of a self-cleaning process provided by an embodiment of the present invention;

[0031] Figure 10 This is a stage diagram of the drying process provided by an embodiment of the present invention. Implementation Method

[0032] In order to describe the technical content, structural features, achieved purposes and effects of the invention in detail, the technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. In the following description, for the purpose of explanation, many specific details are set forth to provide a detailed description of various exemplary embodiments or implementations of the invention. However, various exemplary embodiments may also be implemented without these specific details or in the presence of one or more equivalent arrangements. In addition, various exemplary embodiments may be different, but are not necessarily exclusive. For example, without departing from the inventive concept, the specific shape, structure and characteristics of the exemplary embodiment may be used or implemented in another exemplary embodiment.

[0033] For the purpose of description in relation to the accompanying drawings, the terms "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "inner," "outer," and their derivatives are used in a defined positional relationship relative to the direction in which a user stands on the surface to be cleaned and pushes the surface cleaning device 10 (i.e., a pushing direction from back to front). As used herein, the term "rear" refers to a position behind at least one other component, but does not necessarily mean behind all other components. However, it should be understood that the present invention may assume various alternative orientations unless an opposite orientation is explicitly indicated.

[0034] Figure 1 The surface cleaning system provided by the present invention is shown, and the surface cleaning system includes a surface cleaning device 10, a base station device 20 capable of docking with the surface cleaning device 10, and a control unit 30 (see FIG. Figure 7 In the surface cleaning system, the surface cleaning device 10 can be detached from the base device 20 to independently perform cleaning operations on the surface to be cleaned. The surface cleaning device 10 can also be placed on the base device 20 to perform self-cleaning, sterilization, and drying processes, which are mainly performed on components such as the brush roller in the surface cleaning device.

[0035] like Figure 2-3 As shown, the surface cleaning device 10 is an upright cleaning device, which includes a cleaning base 1 and a handle body portion 2 located on the upper side of the cleaning base 1. The lower portion of the handle body portion 2 is pivotally connected to the cleaning base 1. The handle body portion 2 has a storage position in which it is upright relative to the cleaning base 1 for storage and a working position in which it is tilted backward relative to the cleaning base 1 to facilitate the user to push the surface cleaning device 10.

[0036] The cleaning base 1 includes a base body 11 that forms its outer contour, a roller chamber 13 located in the front of the base body 11, a brush roller 14 rotatably arranged in the roller chamber 13, a suction nozzle 19 located inside the cleaning base 1 and adjacent to the rear side of the roller chamber 13, and a liquid dispenser 15 that partially extends into the roller chamber 13. A rotating joint 17 is provided on the base body 11, and the lower portion of the handle body portion 2 is fixedly connected to the rotating joint 17, thereby enabling the handle body portion 2 to rotate back and forth between an upright storage position and a rearwardly tilted working position.

[0037] The liquid distributor 15 faces the brush roller 14 and is configured to distribute water from a water delivery path (not shown) onto the brush roller 14 .

[0038] The brush roller 14 comprises a cylindrical roller body 1401 defining a rotational axis X extending in the left-right direction, and cleaning elements 1402 covering the outer circumference of the roller body 1401. These cleaning elements 1402 are configured to be wetted by a liquid, such as water. The cleaning base 1 is also equipped with a brush roller motor (not shown) that is connected to the brush roller 14 to drive the brush roller 14 about the rotational axis. In other embodiments, the outer surface of the cylindrical roller body may be covered with a sponge, fabric, or other type of flexible cleaning element, also configured to be wetted by a cleaning liquid, such as water.

[0039] In this example, the front and lower parts of the roller chamber 13 have through openings 12 , and a portion of the brush roller 14 is exposed from the openings 12 to form an exposed portion 141 of the brush roller 14 , which can contact the surface to be cleaned.

[0040] The handle body portion 2 includes a handle 21 and a body 22 provided at the upper portion. The handle 21 is fixedly connected to the top of the body 22 and is configured to be suitable for the user to hold. The user can use the handle 21 to hold the surface cleaning device 10 with one hand and use it to push the cleaning base 1 of the surface cleaning device 10 back and forth on the surface to be cleaned in a backward tilted working position. The handle 21 is also provided with an operating portion 211 that is connected to the control unit 30 for the user to control the operation of the surface cleaning device 10. The specific form of the operating portion 211 is not limited to a button, a trigger, a trigger, a switch, etc. In other embodiments, the operating portion may also be provided in other places of the surface cleaning device, such as on the top wall or side wall of the handle body portion at the lower part of the handle. The operating portion may also be a portable remote control or may be provided on a handheld terminal that can interact with the surface cleaning device.

[0041] The body 22 can accommodate and carry multiple working components on the handle body portion 2. These multiple working components include a water tank 31 that can store and provide clean water to the outside. Among them, the water tank 31 is preferably detachably mounted on the body 22 to facilitate the user to add clean water therein.

[0042] The water tank 31 is fluidically connected to the liquid dispenser 15 on the cleaning base 1, forming a water supply path (not shown) for the flow of water. This water supply path is also provided with a selectively activatable pump 33. By controlling the on / off control of the pump 33, liquid is selectively supplied to the liquid dispenser 15 or fluid communication between the water tank 31 and the liquid dispenser 15 is blocked. In this example, the pump 33 is disposed within the housing 22; in other embodiments, the pump may also be disposed within the base 11 of the cleaning base 1.

[0043] The working components mounted on the body 22 also include a liquid recovery tank 41 for receiving and storing waste liquid, and a suction motor 42 mounted above the tank 41. The suction nozzle 19 within the cleaning base 1, the liquid recovery tank 41, and the suction motor 42 are sequentially fluidically connected. A recovery flow path 43 is defined between the suction nozzle 19 and the liquid recovery tank 41, and the suction motor 42 is configured to propel fluid along the recovery flow path 43. The liquid recovery tank 41 is removably mounted on the body 22 to facilitate the user's removal of waste liquid.

[0044] When the surface cleaning device 10 is working, the pump 33 is started, and the water in the water tank 31 reaches the liquid distributor 15 through the water supply path and is distributed by the liquid distributor 15 to the cleaning element 1402 of the brush roller 14. The rotating brush roller 14 uses water to scrub the surface to be cleaned. At the same time, the suction motor 42 is started and forms a flowing air flow. The brush roller 14 will carry the dirty liquid and the debris picked up from the surface to be cleaned into the recovery flow path 43 along with the air flow. These dirty liquids and debris will finally be stored in the dirty liquid recovery tank 41.

[0045] See Figure 4-5 The base station device 20 of the surface cleaning system includes a housing 5, a recess 6 formed in an upper portion of the housing 5 and capable of receiving the brush roller 14 when the surface cleaning device 10 is parked on the base station device 10, and a power supply unit 7. The power supply unit 7 includes an electrical plug 71 that can be electrically connected to a household outlet. A charging component (not shown) for charging the surface cleaning device 10 can also be arranged in the base station device 20, and the charging component is electrically connected to the power supply unit.

[0046] The housing 5 forms the outer contour of the base unit 20 and includes a tray portion 51 for supporting the surface cleaning device 10 and a boss portion 52 located at the rear side of the tray portion 51 and protruding upward relative to the tray portion 51. The tray portion 51 is configured to dock with the bottom portion of the cleaning base 1, and the groove 6 is located at the front portion of the tray portion 51 and is recessed downward. The boss portion 52 generally docks with the handle body portion 2.

[0047] The housing 5 is also provided with a heat-generating wall 8, which includes a heat-conducting member 81 and a controllable heating element 82 embedded within the heat-conducting member 81. The heat-conducting member 81 defines a portion of the groove wall of the groove 6, specifically a portion of the front groove wall and a portion of the lower groove wall in this embodiment. The heat-conducting member 81 can be made of aluminum or other materials with excellent thermal conductivity. The heat-conducting member 81 has a curved upper surface 801; when the surface cleaning device 10 is parked at the base station 20, the exposed portion 141 of the brush roller 14 directly contacts this upper surface 801. The heating element 82 is signal-connected to and controlled by the control unit 30. The heating element 82 is also electrically connected to the power supply unit 7, which provides the power required for heating. When the heat-generating wall 8 is in operation, the temperature of the upper surface 801 of the heat-conducting member 81 is greater than or equal to 72°C. In some feasible embodiments, to further enhance the heating capacity of the heat-conducting member 81, this temperature can be increased to 100°C, or even higher.

[0048] In order to ensure that the heating is controllable, a thermostat 83 is further provided at the heating wall 8, and the thermostat 83 is signal-connected to the control unit 30. The control unit 30 can control the heating element 82 to generate heat as required with the help of the thermostat 83.

[0049] The tray portion 51 includes a bottom wall 511 facing the ground. The bottom wall 511 is at least partially made of heat-insulating material. The bottom wall 511 made of heat-insulating material can reduce heat loss and effectively prevent the heat of the heating wall 8 from being conducted to the ground and scalding the ground.

[0050] like Figure 6 As shown, the size design of the heat-conducting member 81 is constructed to meet the following requirements: when the surface cleaning device 10 is parked on the base station device 20, the heat-conducting member 81 is circumferentially wrapped around the periphery of the exposed portion 141 (the shaded portion of the brush roller in the figure) and contacts the exposed portion 141 of the brush roller 14, and preferably, the heat-conducting member 81 circumferentially wraps at least fifty percent of the exposed portion 141; while ensuring that air flows into the groove 6 and the surface cleaning device 10 is convenient to dock, the more exposed portions the heat-conducting member 81 wraps around, the better the drying efficiency of the brush roller 14 by the heat-conducting member 81 is.

[0051] In this example, the heating element 82 of the heating wall 8 transfers heat to the heat-conducting member 81. The heated heat-conducting member 81 heats the brush roller 14, the water flowing into the groove 6, and the air flowing through the groove 6. While the surface cleaning device 10 is parked at the base station 20, the heating element 82 in the heating wall 8 is controlled to operate. While the surface cleaning device 10 is parked at the base station 20, the heating wall 8 can quickly transfer heat to the brush roller 14 via the heat-conducting member 81.

[0052] See also Figure 7 The control unit 30 of the surface cleaning system of the present application includes two parts, one part is located in the surface cleaning device 10, namely, the first controller 301 located in the surface cleaning device 10; the other part is located in the base station device 20, namely, the second controller 302 located in the base station device 20; these two controllers will realize the control of the operation of each controllable component on the surface cleaning system; in this example, the first controller 301 in the surface cleaning device 10 can control whether the suction motor 42, the pump 33 and the brush roller motor 16 are involved in the work; the second controller 302 in the base station device 20 can control whether the heating element 82 is involved in the work. In other embodiments, the control unit of the surface cleaning system can also be fully integrated into the surface cleaning device. According to this solution, the heating core in the base station device will also control the operation of the control unit in the surface cleaning device; for this reason, after the surface cleaning device and the base station device are docked, a path for instruction transmission must be constructed.

[0053] While the surface cleaning device 10 is parked at the base station 20, the brush roller 14 is located in the groove 6. At this time, under the control of the control unit 30, the surface cleaning system can perform self-cleaning, sterilizing, and drying processes for the surface cleaning device. Specifically, the self-cleaning process uses water to clean the brush roller 14, the sterilizing process uses steam to sterilize the brush roller, and the drying process dries the brush roller. Of course, the self-cleaning process, sterilizing process, and drying process also target the recovery flow path of the surface cleaning device.

[0054] like Figure 8 As shown, the self-cleaning process, sterilization process and drying process of this example are configured to be performed in sequence; in this way, the user only needs to interact with the surface cleaning system once, and the program containing these processes will be triggered, thereby performing the self-cleaning process, sterilization process and drying process in sequence; the interaction between the user and the surface cleaning system can be achieved by triggering a program switch arranged on the surface cleaning device or the base station device; in other embodiments, the interaction between the user and the surface cleaning system can also be omitted, and instead a monitoring device is used to monitor whether the surface cleaning device is parked at the base station device at all times, and when it is detected that the surface cleaning device is parked at the base station device, the above-mentioned self-cleaning process, sterilization process and drying process are automatically started.

[0055] In other feasible embodiments, the sterilization process or the drying process may also be set as a program for the user to select and execute separately.

[0056] like Figure 9 As shown, the self-cleaning process of this example includes the following stages performed in sequence:

[0057] Immersion cleaning stage: first, water is continuously supplied to the brush roller 14 through the water tank 31 for a long time. At this time, the suction motor 42 is not started, and the heating element 82 is turned on to generate heat; in this step, the water not absorbed by the brush roller 14 will fall into the groove 6, and the water supply continues until a sufficient amount of water is collected in the groove 6. At this time, the heat-conducting component 81 continues to heat the water in the groove 6 to make it hot water with temperature; secondly, the water supply is stopped, and the brush roller 14 rotates continuously for a long time. In this step, the brush roller 14 is at least partially immersed in the hot water in the groove 6. The continuous rotation of the brush roller 14 can realize immersion cleaning of the brush roller 14; again, the suction motor 42 is turned on, and the brush roller 14 is kept rotating to realize the transfer of the water after immersion cleaning from the groove 6 to the dirty liquid recovery tank 41 via the recovery path 43.

[0058] Spray cleaning stage: water is supplied to the brush roller 14 again through the water tank 31, the suction motor 42 is turned on and the brush roller 14 is driven to rotate, and the liquid falling from the brush roller 14 will be transferred to the dirty liquid recovery tank 41 through the recovery path 43; in this step, "new" water is continuously distributed to the brush roller 14, and at the same time, the "old" water falling from the brush roller 14 is transferred to the dirty liquid recovery tank 41 through the recovery path 43; the continuous rotation of the brush roller 14 can achieve spray cleaning of the brush roller 14.

[0059] Drying stage: stop water supply, start the suction motor 42 and drive the brush roller 14 to rotate continuously for a period of time to dry the water on the brush roller 14 as much as possible.

[0060] After the above stages are completed in sequence, the entire self-cleaning process is completed.

[0061] In its embodiments, during the self-cleaning process, the brush roller can be selectively cleaned in the immersion cleaning stage or the spray cleaning stage, such as performing only one spray cleaning stage; and, in other embodiments, the heating element in the groove can also be turned off for heating, and the brush roller can be cleaned by immersion or spraying with water at room temperature; in addition, in some feasible embodiments, the water used in the self-cleaning process can also come from outside the water tank, such as from a water storage container on the base station device, or even from a tap water pipe connected to the base station device. The purpose of the self-cleaning process is to clean the brush roller, and any solution that is convenient for cleaning the brush roller can be applied here.

[0062] The sterilization process in this example is performed after the self-cleaning process. The purpose of the sterilization process is to sterilize the cleaned brush roller using steam. During the sterilization process, the heating element 82 is turned on to generate heat. The steam used is generated by the heat-conducting member 81 in the heating wall 8 heating the water flowing into the groove 6. This water can be supplied to the brush roller 14 via the water tank 31 or from other sources. During the sterilization process, in order to instantly generate a large amount of steam and increase the steam temperature, the amount of water supplied to the brush roller should be reduced compared to the amount of water used in the self-cleaning process.

[0063] In its embodiment, the sterilization process can also be cancelled or combined with the self-cleaning process and performed simultaneously.

[0064] The drying process in this example is performed after the self-cleaning process or the sterilization process (if any) is completed. The purpose of the drying process is to further dry the brush roller to prevent odor or mildew in the later stage.

[0065] like Figure 10 As shown, the drying process of this example is divided into a first stage and a second stage which are performed sequentially; in the first stage, the first controller 301 controls the brush roller motor 16 and the suction motor 42 to start working, and at the same time, the second controller 302 controls the heating element 82 to work at a first heating power; in the second stage, the first controller 301 controls the brush roller motor 16 and the suction motor 42 to continue to start working, and at the same time, the second controller 302 controls the heating element 82 to work at a second heating power which is less than the first heating power or the second controller 302 controls the heating element to stop heating.

[0066] In the first stage of the above-mentioned drying process, the heat-conducting component 81 will be heated by the heating element 82 to become a high-temperature component, the brush roller 14 will be directly heated by the high-temperature heat-conducting component 81, and the moisture on the brush roller 14 will be evaporated. The start-up of the suction motor 42 will generate an air flow from the suction nozzle to the side of the dirty liquid recovery box 41. This air flow will promptly take away the evaporated moisture on the brush roller 14 during the flow process, thereby achieving the effect of quickly drying the brush roller. In this first stage, most of the moisture on the brush roller 14 will be taken away. At the same time, the air flow will be heated into a hot air flow in the process of contacting the brush roller 14 and the heat-conducting component 81. When this hot air flow flows through the recovery flow path 43, it will also take away the residual water in the recovery flow path 43. The moisture on the brush roller 14 can be quickly taken away; in the second stage, the second controller 302 controls the heating element 82 to work at a power lower than the first heating power, thereby adding less heat to the heat-conducting member 81 to achieve the purpose of taking away the remaining moisture on the brush roller 14; of course, in the second stage, the second controller 302 can also control the heating element 82 to stop heating, and instead use the residual temperature of the heat-conducting member 81 to take away the remaining moisture on the brush roller 14; under the same conditions, the second controller 302 can also control the heating element 82 to stop heating. The working time required is longer than the working time required for the second controller 302 to control the heating element 82 to work at a power lower than the first heating power. In a preferred embodiment, in a drying process, the first stage occurs for a longer time than the second stage.

[0067] During the drying process of the present application, the heat source in the drying process comes from the heating element 82, and the air flow power comes from the suction motor 42. Compared with the traditional method of drying the brush roller by hot air generated by a fan or a blower combined heating component, this solution can transfer more heat to the brush roller 14 per unit time, and the air flow speed can also be faster, so that the heat exchange at the groove 6 is abnormally intense, and the heat radiation and heat conduction of the heat-conducting member 81 to the brush roller 14, plus the convection of the air, can dry the brush roller faster; and because the drying process in the present application is divided into two stages, on the one hand, it can realize the rational use of electric energy, and on the other hand, it can also make the brush roller not need to be baked at the same high temperature during the entire drying process, which can extend the service life of the brush roller.

[0068] The above embodiments are intended only to illustrate the technical concepts and features of this application. Their purpose is to enable those familiar with the art to understand the content of this application and implement it accordingly. They are not intended to limit the scope of protection of this application. Any equivalent changes or modifications made in accordance with the spirit of this application shall be included in the scope of protection of this application.

Claims

1. A surface cleaning system, comprising a base station device, a surface cleaning device capable of being parked at the base station device, and a control unit, wherein the surface cleaning device comprises a suction nozzle, a brush roller, a brush roller motor for driving the brush roller to rotate, and a suction motor; characterized in that: The base station device includes a groove capable of receiving at least part of the brush roller and a heating element capable of heating at least part of the groove wall of the groove while the surface cleaning device is parked on the base station device. The brush roller motor, the suction motor and the heating element are all connected to the control unit by signal and are controlled thereby. The surface cleaning system is configured to perform a drying process on the brush roller while the surface cleaning device is parked on the base station device. In which, the drying process includes a first stage and a second stage performed sequentially; in the first stage, the control unit controls the brush roller motor and the suction motor to start working and controls the heating element to work at a first heating power; in the second stage, the control unit controls the brush roller motor and the suction motor to continue to work and controls the heating element to work at a second heating power less than the first heating power or controls the heating element to stop heating.

2. The surface cleaning system according to claim 1, wherein The base station device comprises a heat-conducting component, which constitutes at least a portion of the groove wall, and the heating element is in thermal conduction contact with the heat-conducting component.

3. The surface cleaning system according to claim 2, wherein: The heating element is embedded in the heat-conducting component.

4. The surface cleaning system according to claim 2, wherein: The heat-conducting component covers a portion of the outer side of the brush roller in the circumferential direction when the surface cleaning device is parked on the base station device.

5. The surface cleaning system according to claim 4, wherein: The brush roller includes an exposed portion exposed to the outside, and the heat conductive member circumferentially covers at least 50 percent of the exposed portion when the surface cleaning device is parked on the base station device.

6. The surface cleaning system according to claim 4, wherein: The brush roller comprises a cylindrical roller body and a cleaning element which covers the outer peripheral surface of the roller body and can be soaked in liquid.

7. The surface cleaning system according to claim 6, wherein: The heat-conducting member has an arc-shaped outer surface; the outer surface contacts the cleaning element when the surface cleaning device is parked on the base station device.

8. The surface cleaning system of claim 1, wherein: The surface cleaning system is configured to perform a self-cleaning process of washing the brush roller with water while the surface cleaning device is parked at the base station device, and the drying process occurs after the self-cleaning process.

9. The surface cleaning system of claim 1, wherein: The control unit includes a first controller arranged at the surface cleaning device and a second controller arranged at the base station device. The brush roller motor and suction motor are connected to and controlled by the first controller signal, and the heating element is connected to and controlled by the second controller signal.

10. The surface cleaning system of claim 1, wherein: The base station device includes a power supply unit, which includes an electrical plug that can be electrically connected to an external electrical socket; the heating element is configured to receive electrical energy and dissipate heat; the power supply unit is electrically connected to the heating element to provide electrical energy for the heating element to generate heat.

11. The surface cleaning system of claim 1 , wherein: The surface cleaning device further comprises a water tank and a dirty liquid recovery tank, wherein the water tank is configured to provide water to the brush roller, and the dirty liquid recovery tank is located between the suction nozzle and the suction motor.

12. The surface cleaning system of claim 1, wherein: In one of the drying processes, the duration of the second stage is shorter than the duration of the first stage.

13. A drying treatment method, applied to a surface cleaning system, the surface cleaning system comprising a base station device and a surface cleaning device capable of being parked at the base station device, the surface cleaning device comprising a suction nozzle, a brush roller, a brush roller motor for driving the brush roller to rotate, and a suction motor, characterized in that: The base station device includes a groove that can accommodate at least part of the brush roller and a heating element that can heat at least part of the groove wall while the surface cleaning device is parked on the base station device. The drying treatment method includes: when the surface cleaning device is docked on the base station device, in response to the satisfaction of the drying treatment conditions, controlling the suction motor and the brush roller motor to start working, and controlling the heating element to first work at a first heating power, and then controlling the heating element to work at a second heating power less than the first heating power or controlling the heating element to stop heating.

14. The drying method according to claim 13, wherein: The drying method further comprises: The brush roller motor is controlled to drive the brush roller to rotate at a speed not lower than the rotation speed of the brush roller when the surface cleaning device is operating on the surface to be cleaned.

15. The drying method according to claim 13, wherein: The drying treatment condition includes: whether the brush roller has completed the self-cleaning treatment of washing the brush roller with water.

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