WO2023194152A1 - Dispositif de réservoir pour un appareil de nettoyage des sols, appareil de nettoyage des sols comprenant un dispositif de réservoir, et système de nettoyage des sols - Google Patents

Dispositif de réservoir pour un appareil de nettoyage des sols, appareil de nettoyage des sols comprenant un dispositif de réservoir, et système de nettoyage des sols Download PDF

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Publication number
WO2023194152A1
WO2023194152A1 PCT/EP2023/057949 EP2023057949W WO2023194152A1 WO 2023194152 A1 WO2023194152 A1 WO 2023194152A1 EP 2023057949 W EP2023057949 W EP 2023057949W WO 2023194152 A1 WO2023194152 A1 WO 2023194152A1
Authority
WO
WIPO (PCT)
Prior art keywords
cleaning
tank device
floor cleaning
storage container
opening
Prior art date
Application number
PCT/EP2023/057949
Other languages
German (de)
English (en)
Inventor
Alexander BRÄNDLE
Stefan GRABANT
Original Assignee
Alfred Kärcher SE & Co. KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfred Kärcher SE & Co. KG filed Critical Alfred Kärcher SE & Co. KG
Priority to CN202380027441.8A priority Critical patent/CN118804703A/zh
Publication of WO2023194152A1 publication Critical patent/WO2023194152A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4025—Means for emptying
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4091—Storing or parking devices, arrangements therefor; Means allowing transport of the machine when it is not being used
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/02—Docking stations; Docking operations
    • A47L2201/024—Emptying dust or waste liquid containers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/02—Docking stations; Docking operations
    • A47L2201/026—Refilling cleaning liquid containers

Definitions

  • the present invention relates to a tank device for a particularly self-propelled and self-steering floor cleaning device, which comprises a storage container for a cleaning liquid.
  • the present invention relates to a floor cleaning device, in particular a self-propelled and self-steering floor cleaning device, with a tank device and at least one cleaning tool.
  • the floor cleaning device can be hand-held.
  • the present invention further relates to a floor cleaning system which comprises a floor cleaning device and a docking station, wherein the floor cleaning device can assume a docking position at the docking station.
  • a floor cleaning device of the type described above allows the cleaning of a floor surface.
  • the cleaning liquid is usually applied to the cleaning tool and/or the floor surface in order to wet it and make it easier to remove adhering dirt.
  • the cleaning liquid can in particular be water, to which a cleaning chemical can be added to increase the cleaning performance.
  • Contaminated cleaning liquid can optionally be absorbed from the floor surface.
  • the object of the present invention is to provide a tank device for a floor cleaning device, a floor cleaning device with a tank device and a floor cleaning system with a floor cleaning device, whereby overfilling of the storage container with the cleaning liquid can be avoided.
  • a tank device for a particularly self-propelled and self-steering floor cleaning device, comprising a storage container for a cleaning liquid, which comprises a wall enclosing an interior with a bottom wall and a side wall, an outlet opening being arranged or formed on the storage container through which cleaning liquid can emerge from the interior, and an overflow channel or a plurality of overflow channels, comprising one Inlet opening, which is arranged above the outlet opening in the direction of gravity, based on a position of use of the tank device, and an outlet opening outside the interior below the inlet opening.
  • the cleaning liquid can be discharged through the outlet opening during intended use and, for example, applied to the at least one cleaning tool and/or the floor surface.
  • the outlet opening can be formed, for example, in the wall. Alternatively or additionally, an outlet opening formed separately from the wall can be provided, for example on an outlet line through which cleaning liquid is conveyed (for example by means of a pump unit).
  • the tank device according to the invention further comprises at least one overflow channel.
  • the overflow channel includes an inlet opening above the outlet opening.
  • Cleaning liquid can be discharged from the interior of the storage container through the overflow channel. For this purpose, the cleaning liquid can enter the overflow channel through the inlet opening and exit through the outlet opening arranged outside the storage container.
  • overfilling of the storage container for example when refilling the cleaning liquid
  • damage to the floor cleaning device can be avoided.
  • the cleaning liquid emerging via the overflow channel can optionally be fed to an advantageously present dirty liquid container of the tank device.
  • An optional use of the overflow channel for rinsing the storage container and/or the optional dirty liquid container is also conceivable.
  • Position and orientation information such as “above”, “below” or the like are in the present case based on an intended use position of the tank device and one comprising the tank device Floor cleaning device related.
  • the floor cleaning device stands on the floor surface, which can be viewed as horizontally aligned, for example.
  • the present invention may provide for more than one overflow channel to be present.
  • the tank device can comprise at least one overflow channel as described above.
  • At least one overflow channel preferably two or more overflow channels, can preferably be designed as described below.
  • the overflow channels can be of identical or different design.
  • the overflow channel protrudes into the interior.
  • the inlet opening is, for example, at a distance from the side wall surrounding it, so that cleaning liquid can enter the overflow channel from all sides.
  • the overflow channel runs through the wall, in particular through the bottom wall, or for the overflow channel to be formed by an opening in the wall.
  • the last-mentioned embodiment can enable a structurally simple design, in which the inlet opening is formed on the side of the interior in the wall and the outlet opening on the side of the wall facing away from the interior.
  • the overflow channel does not extend beyond the wall, for example the outlet opening ends flush with the wall on the outside, for example with the bottom wall, and in particular is an opening in the wall.
  • the overflow channel can be formed in one piece with the wall, in particular with the bottom wall, in particular to achieve a structurally simple design.
  • the overflow channel is formed onto the wall, and can extend, for example, from the bottom wall into the interior. It can be advantageous if the overflow is designed to extend in a straight line, in particular along the entire extent. This enables, for example, a structurally simple design and can be advantageous for the flow behavior through the overflow channel.
  • the overflow channel is free of a closing element and/or a valve.
  • the overflow channel can be permanently open. This enables a structurally simple design and reliable function of the tank device.
  • the outlet opening can advantageously be arranged below the outlet opening in relation to the direction of gravity.
  • the outlet opening is arranged at a lowest point of the bottom wall, and the overflow channel extends even further downward in the direction of gravity.
  • the storage container advantageously comprises a top wall, which is preferably detachably connectable to the wall. By loosening the ceiling wall, the interior can be exposed and advantageously cleaned.
  • a filling opening is preferably formed in the ceiling wall, via which the storage container can be filled with cleaning liquid.
  • the storage container is filled via the docking station.
  • a closure element can be arranged at the filling opening in order to close it.
  • the inlet opening and the filling opening are at a sufficient distance from one another.
  • the filling opening based on a top view of the tank device, comprises a distance from the inlet opening that is at least approximately a quarter of the extent of the storage container along largest extension direction is, preferably at least approximately one third. Conveniently, the distance is even greater than a third.
  • the inlet opening can comprise a distance from the side wall that is less than approximately a third of the extent of the storage container along the largest direction of extent, preferably less than a quarter.
  • the inlet opening is advantageously arranged below the filling opening in relation to the direction of gravity.
  • a distance of the inlet opening, based on the direction of gravity, to the ceiling wall is less than approximately 10% of the height of the storage container.
  • the tank device comprises a dirty liquid container.
  • the dirty liquid can be picked up by the floor cleaning device, for example actively under the action of a suction unit and/or passively with a cleaning roller, and transferred to the dirty liquid container.
  • the dirty liquid container is advantageously arranged below the storage container.
  • the dirty liquid container and the storage container can, for example, form a structural unit and/or can be detachably connected or connected to one another.
  • the tank device can form a substantially trough-shaped receiving part onto which the storage container is placed or can be placed.
  • the receiving part can, for example, form the dirty liquid container, at least in sections.
  • the receiving part can accommodate, for example, a pump unit with which cleaning liquid can be pumped out of the storage container.
  • the overflow channel opens into the interior of the dirty liquid container via the outlet opening. In this way, there is a fluid connection from the storage container to the dirty liquid container. Cleaning liquid can flow through the overflow channel into the dirty liquid container and be collected there. It is conceivable, for example, that a rinsing operation is carried out in which the storage container and the dirty liquid container are rinsed using the cleaning liquid and thereby cleaned.
  • the overflow channel can, for example, protrude into the interior of the dirty liquid container.
  • the tank device comprises a top wall of the dirty liquid container, in which a through opening is formed, into which the overflow channel engages or through which the overflow channel passes.
  • the top wall can be formed, for example, by the bottom wall of the storage container.
  • the overflow channel can be formed with the ceiling wall, in particular in one piece. The overflow channel can, for example, protrude from the ceiling wall into the interior of the dirty liquid container.
  • the outlet opening is arranged within the through opening or on the ceiling wall.
  • the dirty liquid container can, for example, include an emptying opening. Dirty liquid can be sucked out of the dirty liquid container via the emptying opening, for example using the docking station.
  • the outlet opening can, for example, be arranged above the emptying opening.
  • the outlet opening based on a top view of the tank device, comprises a distance from the emptying opening which is at least approximately one third of the extension of the dirty liquid container along the largest extension direction, preferably at least the half. This can, for example, prove to be advantageous for rinsing behavior for cleaning the dirty liquid container.
  • the present invention also relates to a floor cleaning device.
  • a floor cleaning device which solves the task mentioned at the outset, comprises a housing, a tank device of the type described above arranged on the housing and at least one cleaning tool, wherein cleaning liquid from the storage container can be applied directly or indirectly to a floor surface to be cleaned and / or the cleaning tool.
  • the floor cleaning device can be designed to be self-propelled and self-steering and designed to autonomously clean the floor surface. Accordingly, the floor cleaning device can in particular be a cleaning robot.
  • the floor cleaning device is hand-held and includes a handle device for an operator.
  • a cleaning head is provided which has the housing with the tank device and the at least one cleaning tool, with a handle with a handle device for the operator being held on the cleaning head.
  • the floor cleaning device can include a chassis for moving on the floor surface.
  • the at least one cleaning tool can, for example, be designed as a cleaning roller that can be driven in rotation or as a cleaning cloth or can comprise a cleaning roller or a cleaning cloth.
  • the floor cleaning device can, for example, comprise a distribution element arranged on the cleaning roller or on the cleaning cloth and fluidly connected to the storage container for applying cleaning liquid to the cleaning roller or the cleaning cloth.
  • the distributor element can be, for example, a bar with a plurality of outlet openings for the cleaning liquid. For example, cleaning liquid is conveyed from the storage container to the distribution element using a pump unit.
  • the cleaning roller or cleaning cloth can be wetted via the distribution element in order to improve the cleaning result.
  • the overflow channel can, for example, be arranged in such a way that at least one cleaning tool of the floor cleaning device is wetted with the cleaning liquid emerging via the outlet opening.
  • the cleaning liquid is applied to the cleaning tool via the outlet opening directly or indirectly via a distribution element with outlet openings in order to wet it.
  • a floor cleaning system which solves the problem mentioned at the outset, comprises a floor cleaning device of the type described above, a docking station and a control unit, the docking station comprising a storage container for cleaning liquid and a fluid line and a valve unit connected therein and coupled to the control unit and/or a valve unit connected thereto Control unit coupled pump unit, wherein cleaning liquid can be supplied to the storage container under control of the valve unit and / or the pump unit when the floor cleaning device assumes a docking position at the docking station.
  • the floor cleaning device can assume a docking position at the docking station.
  • the control unit when the control unit is activated, the fluid line is released using the valve unit.
  • the pump unit can be started.
  • Cleaning liquid can be supplied to the storage container in particular via the filling opening mentioned above.
  • a fluid-tight coupling between the fluid line and the storage container is conceivable here.
  • filling can take place via an air gap.
  • the control unit can be included in the docking station and/or the floor cleaning device.
  • the assumption of the docking position can be determined automatically.
  • electrical contacts of the floor cleaning device and the docking station couple with each other in such a way that the positioning of the floor cleaning device in the docking position can be determined by current flow.
  • the filling of the storage container can be triggered automatically by the control unit, for example after determining that the floor cleaning device is in the docking position. Alternatively or additionally, the filling of the storage container can be triggered by an operator, for example.
  • the docking station comprises a suction unit coupled to the control unit and a suction line which is in fluid communication with an emptying opening of a dirty liquid container of the tank device when the floor cleaning device is in the docking position, wherein cleaning liquid can be sucked out of the dirty liquid container by means of the suction unit.
  • the suction line is arranged, for example, in a support of the docking station for the floor cleaning device, and the emptying opening is preferably arranged on the underside of the floor cleaning device. In the docking position, a suction opening in the suction line can couple to the emptying opening.
  • the docking station can preferably comprise a receptacle.
  • the suction unit can be designed differently. It is conceivable, for example, to use a suction fan on or in the suction line. Alternatively, for example, the suction unit is used to apply negative pressure to the receptacle. A rapid pressure equalization while sucking in the cleaning liquid can be achieved, for example, by opening a valve unit, which can be controlled by the control unit.
  • a rinsing operation controlled by the control unit can be advantageous, in which cleaning liquid can be sucked out of the dirty liquid container by means of the suction unit and at the same time cleaning liquid can be fed to the storage container.
  • cleaning liquid in particular is sucked out of the dirty liquid container when the docking position is assumed.
  • the storage container can be filled with clean cleaning fluid at the same time, at least over a certain period of time.
  • the cleaning liquid can, for example, flow through the overflow channel into the dirty liquid container, clean it and be sucked off.
  • the suction is maintained for a certain period of time in order to suck out any remaining cleaning liquid.
  • the storage container can then be filled with fresh cleaning liquid for the next cleaning operation, for example.
  • Figure 1 a perspective view of a floor cleaning system according to the invention with a floor cleaning device according to the invention, which includes a tank device according to the invention;
  • Figure 2 a schematic representation of the floor cleaning system from Figure 1;
  • Figure 3 a perspective view of the tank device of the floor cleaning device from Figure 1 and a cleaning tool in the form of a cleaning roller;
  • Figure 4 a sectional view of the tank device along line 4-4 in Figure 3;
  • Figure 5 a sectional view along line 5-5 in Figure 4;
  • Figure 6 a perspective view of the tank device and the cleaning roller from Figure 3 in a sectional view and as an exploded view;
  • Figure 7 a schematic representation of a tank device according to the invention and a cleaning tool in the form of a cleaning roller;
  • Figure 8 a schematic representation of a hand-held floor cleaning device according to the invention with a tank device according to the invention.
  • FIGS 1 and 2 show an advantageous embodiment of the floor cleaning system according to the invention, designated overall by reference number 10.
  • the floor cleaning system 10 comprises the floor cleaning device 12 according to the invention in a preferred embodiment, which in turn comprises the tank device 14 according to the invention in a preferred embodiment.
  • the floor cleaning system 10 further includes a docking station 16 for the floor cleaning device 12.
  • the floor cleaning device 12 is designed to be self-propelled and self-steering as a cleaning robot and enables the autonomous cleaning of a floor surface 18 on which the floor cleaning device 12 can be moved by means of a chassis 20.
  • the floor cleaning device 12 comprises at least one cleaning tool 22.
  • a cleaning roller 24 is provided as the cleaning tool 22 (FIGS. 3, 5 and 6), which in the present example is designed in two segments, but can also be designed in one segment.
  • the floor cleaning device 12 has a drive unit, not shown in the drawing.
  • the floor cleaning device 12 can, for example, include a rotatable sweeping roller.
  • the floor cleaning device 12 can include, for example, a cleaning cloth.
  • the docking station 16 is used to accommodate the floor cleaning device 12 during operational interruptions or breaks. In particular, there is the possibility that the floor cleaning device 12 can assume a defined docking position at the docking station 16 ( Figures 1 and 2).
  • the docking station 16 When used as intended, the docking station 16 stands on the floor surface 18 and includes a ramp-shaped support 26, which can be traveled by the floor cleaning device 12 to assume the docking position.
  • the docking station 16 includes a storage container 28 for a cleaning liquid, in particular water, to which a cleaning chemical can be added to increase the cleaning performance.
  • a cleaning liquid in particular water
  • the storage container 28 is presently arranged in an upper section 32 of the docking station 16.
  • a fluid line 34 is connected to the storage container 28, into which an electrically actuated valve unit 36 is connected.
  • the valve unit 36 can be controlled by a control unit 38 to release or block the fluid line 34 be operated. When the fluid line 34 is released, cleaning liquid can flow through an outlet 40 of the fluid line 34.
  • control unit 38 is part of the docking station 16, but alternatively or additionally a control unit of the floor cleaning device 12 could also be used.
  • the docking station 16 further comprises a suction unit 42.
  • a suction line 44 is directly or indirectly connected to the suction unit 42, the suction inlet 46 of which is arranged on the support 26.
  • the suction inlet 46 can be subjected to negative pressure in order to suck cleaning liquid out of the floor cleaning device 12 in the docking position of the floor cleaning device 12.
  • the cleaning liquid can be transferred to a receptacle 48 of the docking station 16, into which the suction line 44 opens.
  • the suction unit 42 and the receptacle 48 can be arranged on the upper section 32 or on a lower section 50 of the docking station 16.
  • the suction unit 42 is coupled to the control unit 38 and can be activated and deactivated by it.
  • the floor cleaning device 12 comprises a housing 52 on which functional units are arranged and in particular accommodated therein.
  • the tank device 14 according to the invention is accommodated in the housing 52. It is conceivable that the tank device 14 can be removed from the housing 52 as a structural unit, for example for cleaning purposes, and can be connected to the housing 52 again.
  • the tank device 14 is designed in several parts in the present exemplary embodiment.
  • the tank equipment Device 14 in particular includes a storage container 54 for cleaning liquid, which includes a lower container part 56 and an upper container part 58.
  • the lower container part 56 is trough-shaped and comprises a wall 60 with a bottom wall 62 and a side wall 64 projecting from it in the direction of the upper container part 58.
  • the wall 60 can be stepped on the bottom wall 62 and/or the side wall 64, as in the present example be designed.
  • the upper container part 58 forms a ceiling wall 66, which can be detachably connected to the storage container 54.
  • a filling opening 68 for cleaning liquid is formed in the ceiling wall 66, which in the present case is arranged centrally on the ceiling wall 66 with respect to a longitudinal direction and a transverse direction of the floor cleaning device 12.
  • a filter element and/or a cover element can be arranged at the filling opening 68.
  • the storage container 54 defines an interior space 70 enclosed by the wall 60 for receiving cleaning liquid.
  • An outlet opening 72 is arranged on the storage container 54. In the present case, the outlet opening 72 is arranged at the lowest possible point or, even better, the lowest point of the bottom wall 62.
  • the tank device 14 further comprises a dirty liquid container 74 for receiving dirty cleaning liquid from the floor surface 18.
  • the dirty liquid container 74 is formed by a lower container part 76, which is covered by an upper container part 78.
  • the upper container part 78 is formed by the lower container part 56 of the storage container 54. Accordingly, the bottom wall 62 forms, at least in sections, a top wall 80 of the dirty liquid container 74.
  • the dirty liquid container 74 is arranged below the storage container 54, based on the direction of gravity 30.
  • the volume of the dirty liquid container 74 is in the present case smaller than the volume of the storage container 54.
  • the tank device 14 further comprises a receiving part 82.
  • the receiving part 82 is connected to the lower container part 76 and partially forms a side wall 84 of the dirty liquid container 74.
  • the receiving part 82 together with the lower container part 76, is covered by the lower container part 56 of the storage container 54.
  • the receiving part 82 is trough-shaped, and the lower container part 56 of the storage container 54 is placed on the receiving part 82.
  • the receiving part 82 accommodates a pump unit 86, to which a fluid line 88 on the suction side and a further fluid line 90 on the pressure side are connected.
  • the fluid line 88 has a suction opening 89 which is arranged below the outlet opening 72. Cleaning liquid can enter the suction opening 89 from the interior 70 through the outlet opening 72 and is conveyed by the pump unit 86 through the fluid lines 88, 90. Cleaning liquid is supplied to a distribution element 92.
  • the distributor element 92 is strip-shaped and has a plurality of outlet openings for the cleaning liquid, which are directed towards the cleaning roller 24. During operation of the floor cleaning device 12, the cleaning roller 24 is wetted with the cleaning liquid conveyed from the storage container 54.
  • the tank device 14 in the present case comprises an overflow channel 94 with an inlet opening 96 and an outlet opening 98.
  • the floor cleaning device includes at least one overflow channel 94.
  • the overflow channels 94 can be of identical or different design. If there are two or more overflow channels 94, these are advantageously arranged spatially at a distance from one another on the storage container.
  • the overflow channel 94 projects upwards from the bottom wall 62 into the interior 70.
  • the overflow channel 94 projects from the Bottom wall 62, which is a ceiling wall 80 of the dirty liquid container 74, downwards into its interior 100.
  • the overflow channel 94 accordingly engages into the interior 70 and into the interior 100.
  • the overflow channel 94 is connected in one piece to the wall 60, in particular the bottom wall 62.
  • the bottom wall 62 and the side wall 64 are also integrally connected to one another.
  • the overflow channel 94 is designed to extend in a straight line.
  • the overflow channel 94 is positioned in such a way that, in relation to the largest extension direction of the tank device 14 (in the transverse direction of the floor cleaning device 12) and in its top view, it has a distance from the filling opening 68 that is more than a quarter and in particular more than a third (for example, approximately 40 percent) of the extent ( Figure 4).
  • a flow can form from the filling opening 68 to the inlet opening 96, which captures large parts of the storage container 54.
  • the inlet opening 96 is spaced all around from the side wall 64 to allow cleaning liquid to flow in from all sides.
  • the distance from the side wall 64 in a plan view of the tank device 14 is in the present case less than a third and in particular less than a quarter of the extension of the tank device 14 along the largest extension direction.
  • the inlet opening 96 is arranged near the ceiling wall 66. However, there is a gap between the inlet opening 96 and the top wall 66 to allow cleaning liquid to flow in.
  • the inlet opening 96 is arranged above the outlet opening 72 with respect to the direction of gravity 30.
  • the flow connection exists permanent because the overflow channel 94 is free of a closing element or a valve.
  • cleaning liquid can flow through the overflow channel 94 and is collected in the dirty liquid container 74.
  • a flushing operation can be carried out for the tank device 14, which will be discussed below.
  • the dirty liquid container 74 includes an emptying opening 102.
  • the emptying opening 102 is arranged on the bottom of the container lower part 76 (FIGS. 4 and 5). Cleaning liquid can be sucked out of the dirty liquid container 74 via the emptying opening 102. If the floor cleaning device 12 assumes the docking position at the docking station 16, the suction line 44 is in flow connection with the interior 100 via the suction inlet 46 and the emptying opening 102.
  • the outlet opening 98 is at a distance from the emptying opening 102 in a top view of the tank device 14 which, along the largest direction of extension of the tank device 14, is at least approximately one third of the extent, in the present example more than half of the extent. This allows an effective flow to form in the dirty liquid container 74 for an improved rinsing effect and thus better cleaning.
  • the storage container 54 can be filled with cleaning liquid when the fluid line 34 is released. There is also the possibility of sucking clean or dirty cleaning liquid out of the dirty liquid container 74 using the suction unit 42.
  • a flushing operation can be carried out in which the storage container 28 is simultaneously filled and the dirty liquid container 74 is emptied by suction, at least for a predetermined or predeterminable period of time.
  • the cleaning liquid can be taken from the storage container 54 through the Overflow channel 94 flow through and is used to clean the dirty liquid container 74 and is subsequently sucked off.
  • Cleaning liquid can be applied via the distributor element 92 and the cleaning roller 24 can preferably be rotated while the floor cleaning device 12 assumes the docking position.
  • FIG. 7 shows a schematic representation of an advantageous embodiment of the tank device according to the invention, assigned the reference number 104. Identical reference numbers are used for identical or equivalent features or components of the tank devices 14 and 104. Only the essential differences between the tank devices 14 and 104 will be discussed.
  • An overflow channel 94 is also provided in the tank device 104.
  • the outlet opening 98 is directed towards the cleaning tool 22, in particular the cleaning roller 24.
  • Overflowing cleaning liquid can be used to wet the cleaning roller 24 during cleaning operation and/or to clean it in the docking position of the floor cleaning device 12, which includes the tank device 104.
  • the overflow channel 94 can, for example, be in fluid communication with the distributor element 92, as shown schematically in dashed lines in FIG. In this way, it is possible to distribute overflowing cleaning liquid spatially on the cleaning roller 24, preferably over its entire length.
  • the tank device 104 can be used, for example, in the floor cleaning device 12 and in the floor cleaning system 10 instead of the tank device 14.
  • Figure 8 shows a schematic representation of a preferred embodiment of the floor cleaning device according to the invention, which is assigned the reference number 106.
  • the floor cleaning device 106 can be part of a floor cleaning system according to the invention and can be used, for example, as an alternative to or together with the floor cleaning device 12 at the docking station 16.
  • the floor cleaning device 106 is hand-held in the present example.
  • the floor cleaning device 106 includes a handle element 108, which is arranged, for example, on a handle 110 and can be gripped by an operator to guide the floor cleaning device 106.
  • the handle 110 is connected to a floor cleaning head 112 of the floor cleaning device 106, for example on the housing 52, the floor cleaning head 112 comprising the at least one cleaning tool 22.
  • the floor cleaning device 106 further comprises a tank device according to the invention, for example the tank device 14 or the tank device 104.
  • the chassis 20 is omitted, but this can also be provided.
  • the floor cleaning device 106 includes two roller-shaped cleaning tools 22, the number of which could also be different.

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  • Cleaning In General (AREA)

Abstract

L'invention concerne un dispositif de réservoir (14 ; 104) pour un appareil de nettoyage des sols (12 ; 106), en particulier un appareil de nettoyage des sols automoteur et autodirecteur, comprenant un récipient de stockage (54) pour un liquide de nettoyage, ledit récipient de stockage comprenant une paroi (60) qui entoure un espace intérieur (70) et comprend une paroi de base (62) et une paroi latérale (64), le récipient de stockage (54) étant pourvu d'une ouverture de sortie (72) par laquelle du liquide de nettoyage peut sortir de l'espace intérieur (70) ; et un ou plusieurs canaux de trop-plein (94), comprenant une ouverture d'entrée (96) qui est disposée au-dessus de l'ouverture de sortie (72) dans la direction de la gravité (30) par rapport à une position d'utilisation du dispositif de réservoir, et une ouverture d'évacuation (98) à l'extérieur de l'espace intérieur (70) au-dessous de l'ouverture d'entrée (96). L'invention concerne en outre un appareil de nettoyage des sols et un système de nettoyage des sols.
PCT/EP2023/057949 2022-04-05 2023-03-28 Dispositif de réservoir pour un appareil de nettoyage des sols, appareil de nettoyage des sols comprenant un dispositif de réservoir, et système de nettoyage des sols WO2023194152A1 (fr)

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CN202380027441.8A CN118804703A (zh) 2022-04-05 2023-03-28 用于地面清洁设备的罐装置、具有罐装置的地面清洁设备和地面清洁系统

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DE102022108088.9A DE102022108088A1 (de) 2022-04-05 2022-04-05 Tankeinrichtung für ein Bodenreinigungsgerät, Bodenreinigungsgerät mit einer Tankeinrichtung und Bodenreinigungssystem
DE102022108088.9 2022-04-05

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WO2023194152A1 true WO2023194152A1 (fr) 2023-10-12

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3316579A (en) * 1964-01-30 1967-05-02 Signal Mfg Company Apparatus for selectively polishing, scrubbing and cleaning floors
US20190246859A1 (en) * 2018-02-13 2019-08-15 Hizero Technologies Co., Ltd. Sweeping robot and corresponding cleaning device
CN113261893A (zh) * 2021-06-22 2021-08-17 深圳华芯信息技术股份有限公司 一种扫地机的加水的对接结构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004053509A1 (de) 2004-11-02 2006-05-04 Alfred Kärcher Gmbh & Co. Kg Fahrbare Bodenreinigungsmaschine
CN110897561A (zh) 2019-12-20 2020-03-24 深圳市银星智能科技股份有限公司 清洁设备
CN111743475A (zh) 2020-06-05 2020-10-09 江苏美的清洁电器股份有限公司 水箱及具有水箱的清洁装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3316579A (en) * 1964-01-30 1967-05-02 Signal Mfg Company Apparatus for selectively polishing, scrubbing and cleaning floors
US20190246859A1 (en) * 2018-02-13 2019-08-15 Hizero Technologies Co., Ltd. Sweeping robot and corresponding cleaning device
CN113261893A (zh) * 2021-06-22 2021-08-17 深圳华芯信息技术股份有限公司 一种扫地机的加水的对接结构

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DE102022108088A1 (de) 2023-10-05

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