EP3451889B1 - Système de nettoyagfe des sols - Google Patents

Système de nettoyagfe des sols Download PDF

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Publication number
EP3451889B1
EP3451889B1 EP16720433.8A EP16720433A EP3451889B1 EP 3451889 B1 EP3451889 B1 EP 3451889B1 EP 16720433 A EP16720433 A EP 16720433A EP 3451889 B1 EP3451889 B1 EP 3451889B1
Authority
EP
European Patent Office
Prior art keywords
liquid
floor cleaning
conduit
rinsing
valve
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP16720433.8A
Other languages
German (de)
English (en)
Other versions
EP3451889A1 (fr
Inventor
Heiko BLUMHARDT
Barbara PFISTER
Frank Nonnenmann
Patrick PRASSER
Christoph Waller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and 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 Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP3451889A1 publication Critical patent/EP3451889A1/fr
Application granted granted Critical
Publication of EP3451889B1 publication Critical patent/EP3451889B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • 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
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/10—Floor surfacing or polishing machines motor-driven
    • A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
    • A47L11/145—Floor surfacing or polishing machines motor-driven with rotating tools with supply of cleaning agents
    • 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
    • A47L11/4011—Regulation of the cleaning machine by electric means; Control systems and remote control systems therefor
    • 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
    • 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
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • A47L11/4019—Fill level sensors; Security means to prevent overflow, e.g. float valves
    • 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
    • A47L11/408—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
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/02—Docking stations; Docking operations
    • 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
    • A47L2201/022—Recharging of batteries
    • 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 invention relates to a floor cleaning system with a mobile floor cleaning device, which comprises at least one cleaning unit for cleaning a floor surface, a storage container for holding a cleaning liquid, a dirt holding device for holding dirty liquid from the floor surface and a dirty liquid container into which the dirty liquid can be transferred.
  • the floor area can be cleaned using at least one cleaning unit.
  • the cleaning unit comprises, for example, a rotary or plate-shaped cleaning tool that can be driven in rotation.
  • a cleaning liquid usually water
  • a cleaning chemical can be added to the water.
  • the mixture of dirt and cleaning liquid, the dirty liquid can be picked up from the bottom surface by means of the dirt collecting device and transferred into the dirty liquid container.
  • the dirt-collecting device has, for example, a suction bar and a suction unit which acts on it with a vacuum.
  • the mobile floor cleaning device can be designed to be self-driving and self-steering in order to enable autonomous cleaning of the floor area.
  • the floor cleaning device is therefore in particular a cleaning robot.
  • the floor cleaning device is hand-guided. An operator can guide the floor cleaning device over the floor surface.
  • the floor cleaning device can optionally be provided with a drive for a chassis.
  • the EP 1 762 165 A2 describes a robot system with a robot that has a storage container for a consumable liquid, and with a filling station.
  • the robot can move into a filling position at the filling station and transmit a signal to a control unit of the filling station.
  • the filling station fills the storage container with the consumable liquid as a result of the signal.
  • the object of the present invention is to provide a floor cleaning system with increased user friendliness.
  • a floor cleaning system with a mobile floor cleaning device which comprises at least one cleaning unit for cleaning a floor surface, a storage container for holding a cleaning liquid, a dirt holding device for holding dirty liquid from the floor surface and a dirty liquid container into which the dirty liquid can be transferred, and with a docking station for the floor cleaning device docked to it in a docking position, the docking station having at least one supply line with a connection element arranged thereon and the floor cleaning device having at least one liquid line with a connection element arranged thereon, the floor cleaning device comprising a flushing device on or in the dirty liquid container, and wherein, in the docking position of the floor cleaning device, couple the connection elements to one another, so d ass the storage container can be filled with the cleaning liquid via the at least one liquid line and the flushing device can be acted upon with a flushing liquid for flushing the dirty liquid container via the at least one liquid line.
  • the floor cleaning system has a docking station in addition to the floor cleaning device.
  • a docking position of the floor cleaning device corresponding connection elements of the at least one supply line and the at least one liquid line can couple to one another. This makes it possible to fill the storage container with the cleaning liquid and to flush the dirty liquid container with a washing liquid via the flushing device of the floor cleaning device. A user is spared the need to fill the storage container with the cleaning liquid and to clean the dirty liquid container.
  • the operation of the floor cleaning device is made considerably easier for a user.
  • the docking station comprises a feed line with a connecting element arranged thereon and if the floor cleaning device has a liquid line branching into a first liquid line section and into a second liquid line section.
  • the docking station can make do with only one feed line.
  • the supply line couples to the liquid line, which branches into two line sections.
  • the reservoir can be filled with the cleaning liquid via the first liquid line section.
  • the rinsing liquid can be applied to the dirty liquid container via the second liquid line section.
  • the flushing device can be connected to the second liquid line section or be formed by the latter.
  • the at least one valve can be selected which of the liquid line sections is supplied with liquid.
  • the first liquid line section can be acted upon in order to fill the cleaning container.
  • the second liquid line section can be acted upon for flushing the dirty liquid container. It is conceivable that both liquid line sections can be acted upon with liquid at the same time.
  • the docking station comprises two supply lines with a respective connection element and the floor cleaning device has two liquid lines with a respective connection element, wherein, in the docking position of the floor cleaning device, one supply line and one liquid line are in flow connection with each other, and when that Floor cleaning system in each supply line-liquid line combination has a valve for selectively releasing or blocking the supply line-liquid line combination.
  • two feed line-liquid line combinations are formed in the docking position of the floor cleaning device.
  • the storage container can be filled with the cleaning liquid via a first combination of this type. With the second combination, the dirty liquid container can be rinsed with rinsing liquid.
  • At least one valve is connected into a respective supply line-liquid line combination, via which the combination can be released or blocked.
  • the floor cleaning system advantageously has a control device which is coupled to the valves or the valve, the valves or the valve being / being operable by the control device.
  • the control device can in particular control the timing of the filling of the storage container and the flushing of the dirty liquid container. Control according to a predetermined filling plan and / or flushing plan is conceivable. It is particularly conceivable also a need-based filling of the storage container depending on the fillable cleaning liquid or residual amount of liquid in the storage container and / or depending on the degree of contamination of the dirty liquid container.
  • valves or the valve are or can be operated manually by an operator.
  • the filling of the storage container and / or the rinsing of the dirty liquid container after docking of the floor cleaning device can be carried out automatically under the control of the control device.
  • the docking of the floor cleaning device can be recognized by the control device.
  • the storage container can be filled or the dirty liquid container can be rinsed according to a predetermined filling plan and / or rinsing plan and / or as required.
  • Automatic filling or rinsing means that it is not necessary for an operator to trigger the filling or rinsing process.
  • the floor cleaning system is user-friendly.
  • the control device is advantageously arranged in the floor cleaning device.
  • control device is positioned in the docking station.
  • valves or the valve can be controlled such that the filling of the storage container and the flushing of the dirty liquid container can be carried out in succession.
  • this proves to be advantageous in order to provide as high a liquid pressure and flow as possible for filling and flushing.
  • the valves or the valve are / can preferably be controlled in such a way that the reservoir can first be filled and then the dirty liquid container can be rinsed.
  • dirty liquid can be drained from the dirty liquid container in the docking position of the floor cleaning device. The time required for this can be used to fill the storage container.
  • the dirty liquid container is advantageously rinsed and cleaned only after the dirty liquid has been drained.
  • the floor cleaning device preferably has an outlet opening arranged on the dirty liquid container and a valve on the outlet opening or on an outlet line connected to the latter, via which valve the outlet opening or the outlet line can optionally be blocked or released for emptying the dirty liquid container.
  • dirty liquid can be discharged from the dirty liquid container via the outlet opening and the outlet line which may be connected to it.
  • the emptying process can be started or ended using the valve.
  • the valve can preferably be controlled by a control device which is preferably arranged in the floor cleaning device.
  • the emptying process can be started automatically, for example, by the control device after docking the floor cleaning device.
  • An emptying process can be ended after a predeterminable period of time has elapsed, after a predeterminable amount of dirty liquid has run out or by recognizing a predeterminable minimum level of the dirty liquid in the dirty liquid container.
  • valves can be controlled in such a way that the dirty liquid container can be emptied while the storage container is being filled.
  • the time required to empty the dirty liquid container can be used to fill the storage container.
  • the valves can preferably be controlled such that the dirty liquid container can be rinsed after emptying.
  • the filling and rinsing process can be made as short as possible in the docking position of the floor cleaning device. The cleaning operation can be resumed as soon as possible.
  • the docking station advantageously has a collecting container for the dirty liquid, and the dirty liquid container can be emptied into the collecting container via the outlet opening or the outlet line.
  • the docking station comprises a pumping unit with which the dirty liquid received in the collecting container can be pumped out can be fed to a liquid disposal network.
  • the pump unit can be activated and the dirty liquid can be pumped out.
  • the pump unit can preferably be activated by a control device of the floor cleaning system.
  • the floor cleaning system advantageously comprises a detection device with which a docking of the floor cleaning device to the docking station can be determined.
  • the above-mentioned control device can, for example, switch the valve or valves so that the storage container is filled and / or the dirty liquid container is flushed and in particular also emptied.
  • the detection device can in particular be configured electrically or mechanically. For example, it is detected in the control device of the floor cleaning device that electrical connection elements of the docking station and the floor cleaning device are in conductive connection with one another.
  • the docking station preferably has only one connection element on the input side of the supply line for connection to a liquid supply network and in particular to a water supply network. This means that separate supply lines can be saved.
  • the flushing device is arranged or fixed on a ceiling wall of the dirty liquid container. This makes it possible to rinse the dirty liquid container with the rinsing liquid from top to bottom and effectively remove contaminants from the dirty liquid container.
  • the dirty liquid container advantageously has a cover which forms the ceiling wall.
  • the lid can in particular be pivotally mounted on the floor cleaning device, so that it can be opened and closed.
  • the cover can also serve as a cover for the storage container.
  • an outlet opening of the dirty liquid container is preferably arranged at its lowest point.
  • the flushing device preferably comprises a flushing line with a plurality of outlet openings. Flushing liquid can escape through the outlet openings.
  • the flushing line is expediently formed or comprises a liquid line section of the at least one liquid line, as has already been mentioned above.
  • the flushing line is a ring line.
  • Ring line does not necessarily presuppose a round and in particular circular design of the flush line.
  • ring line is to be understood in particular as a “self-contained” flush line.
  • the rinsing liquid emerging from the rinsing device is directed at at least one side wall of the dirty liquid container. This allows the side wall to be rinsed off and freed from particles. All side walls are advantageously rinsed from top to bottom.
  • the floor cleaning device comprises a supply line with a connection element arranged thereon, which opens into the at least one liquid line and to which connection element an external supply line for supplying cleaning liquid and / or rinsing liquid can be connected manually.
  • a connection element arranged thereon, which opens into the at least one liquid line and to which connection element an external supply line for supplying cleaning liquid and / or rinsing liquid can be connected manually.
  • an operator can optionally connect a separate external supply line. This makes it possible to fill the storage container independently of the docking station and / or to rinse the dirty liquid container independently of the docking station.
  • the floor cleaning device can be designed to be self-propelled and self-steering in order to carry out an autonomous cleaning of the floor surface.
  • the floor cleaning device is hand-guided.
  • the floor cleaning device can be a ride-on device or a walk-behind device.
  • the floor cleaning device is operated in a self-propelled and self-steering or hand-guided manner.
  • the floor cleaning device is in particular a scrubber drier.
  • the drawing shows a preferred embodiment of a floor cleaning system according to the invention, which is given the reference number 10 and is referred to below as system 10.
  • the system 10 comprises a docking station 12 and a mobile floor cleaning device 14, hereinafter referred to simply as device 14.
  • the system 10 is positioned in a position of use on a set-up surface 16 which at the same time forms a floor surface 18 to be cleaned.
  • Position and orientation information such as “above”, “below” or the like are to be understood in relation to the position of use of the system 10 on the installation surface 16.
  • the system 10 defines a contact plane coinciding with the installation surface 16. It can be assumed, without limitation, that the installation surface 16 and the contact plane are aligned horizontally.
  • the docking station 12 comprises a housing 20 which forms a receiving space 22 in which various actuators, fluid lines and electrical lines are received.
  • the docking station 12 is connected to a liquid supply network, in particular a water supply network, by means of a connecting element 24.
  • the connection element 24 is at the end on a supply line 26 is arranged, at the opposite end of which a further connection element 28 is arranged.
  • a valve 30 is connected into the supply line 26 and can be controlled, for example, via a control line 32.
  • the docking station 12 can be connected to an electrical power supply network via a connecting element 34.
  • the connection element 34 is arranged on an electrical line 36, at the other end of which a connection element 38 is also arranged.
  • the electrical line 36 can have a plurality of individual lines and can be used for energy supply on the one hand and for the transmission of electrical switching and / or control signals on the other hand, for example via the control line 32, which branches off from the electrical line 36. It is also conceivable that the energy supply on the one hand and the electrical switching and / or control signals are carried out via separate lines.
  • Additional control lines 40, 42 branch off from the electrical line 36 and are connected to electrical switching elements 44, 46 in the form of relays.
  • the electrical line 36 can be released to enable a charging current path from the connecting element 34 to the connecting element 38.
  • an electrical line 48 can be released, which branches off from the electrical line 36 and acts on a pump unit 50 of the docking station 12 with electrical energy.
  • the docking station 12 comprises a collecting container 52 for dirty liquid of the device 14.
  • the pump unit is connected to the disposal line 58 in order to pump dirty liquid out of the collecting container 52 and to supply it to a liquid disposal network via the connection element 60.
  • a sensor element 62 is arranged on the collecting container 52, with which a level of dirty liquid in the collecting container 52 can be determined.
  • a fill level signal relating to this can be provided via a signal line 64.
  • a control line 66 branches off from the electrical line 36 and can be used to control a drive device 68, which will be discussed later.
  • the device 14 comprises a housing 70 with a chassis 72 held on the underside thereof for moving on the floor surface 18. Furthermore, the device 14 comprises a scrubber-drier, a cleaning unit 74, which in particular has at least one roller-shaped or plate-shaped cleaning tool that can be driven to rotate about an axis of rotation (not shown). Another cleaning unit is provided in the form of a dirt collecting device 76.
  • the dirt collecting device 76 comprises a suction bar 78 and a suction unit 80 in order to apply a vacuum to the suction bar 78 (in Figure 3 not shown).
  • the device 14 further comprises a storage container 82 for a cleaning liquid, in particular water.
  • the device 14 further comprises a dirty liquid container 84.
  • cleaning liquid from the storage container 82 can be used to act on the bottom surface 18.
  • the cleaning unit 74 Under the action of the cleaning unit 74, the bottom surface 18 can be cleaned, the cleaning liquid serving to increase the cleaning effect.
  • a cleaning chemical can also be added.
  • the mixture of dirt and cleaning liquid, the dirty liquid can be picked up from the bottom surface 18 by means of the dirt holding device 76 and can be separated off as dirty liquid in the dirty liquid container 84.
  • the storage container 82 and the dirty liquid container 84 are formed according to an advantageous container-in-container principle.
  • the storage container 82 surrounds the dirty liquid container 84 and is laterally delimited by an outer wall 86 and an inner wall 88 of the housing 70, and by a bottom wall, not shown in the drawing.
  • the inner wall 88 forms side walls 90 of the dirty liquid container 84.
  • the side walls 90 and a bottom wall, not shown in the drawing, define a container interior 92 ( Figure 3 ).
  • a container opening 94 is arranged on the top side of the storage container 82 and a container opening 96 is arranged on the dirty liquid container 84.
  • An edge 98 which extends on the outside on the housing 70 surrounds the container openings 94 and 96.
  • the device 14 comprises a cover 100 which forms a respective top wall of the storage container 82 and the dirty liquid container 84.
  • the cover 100 can also be pivoted about a pivot axis 102 on the housing 70 and can be opened and closed.
  • the device 14 comprises a liquid line 104 with a connecting element 106.
  • the connecting element 106 is arranged on a front 108 of the device 14 facing the docking station 12 in a docking position.
  • Front refers to a longitudinal or main direction of movement of the device 14.
  • the liquid line 104 is passed through the housing 70 and enters the cover 100 at a joint for mounting the cover 100. It branches into a first liquid line section 110 and a second Liquid line section 112.
  • a respective valve 114, 116 is connected into the liquid line sections 110, 112, with which the liquid line 104 on the respective section 110, 112 can optionally be released or blocked.
  • the valves 114, 116 can be controlled by a control device 122 of the system 10 via control lines 118, 120. In the present case, the control device 122 is arranged in the device 14.
  • valve housing 124 which accommodates the valves 114, 116.
  • the valve housing 124 is accommodated in a receiving space 126, which is formed between an outer wall 128 and an inner wall 130 of the cover 100, which in the present case has a double wall.
  • the first liquid line section 110 has an outlet opening 132 on the inner wall 130 at the end. If there is a flow connection via the liquid line section 110, the liquid line 104 forms a filling line for filling the storage container 82. The cleaning liquid can escape via the outlet opening 132 and flow through the container opening 94 into the container interior of the storage container 82.
  • a sensor element 134 on the storage container 82 is coupled to the control device 122 via a signal line 136 in order to transmit information about the level of cleaning liquid in the storage container 82 to the latter.
  • the second liquid line section 112 emerges from the receiving space 126 and forms a ring line 138.
  • the ring line 138 is fixed on the underside to the inner wall 130 and comprises a plurality of outlet openings which are not shown in detail.
  • the ring line 138 is a flushing line of a flushing device 140 for flushing the dirty liquid container 84.
  • the flushing liquid is directed to the side walls 90 of the dirty liquid container 84 via the position of the outlet openings on the ring line 138, so that these can be rinsed from top to bottom and particles adhering to them can be removed.
  • a sensor element 142 is arranged on the dirty liquid container 84 and is coupled to the control device 122 via a signal line 144 in order to provide the control device 122 with a signal relating to the fill level in the dirty liquid container 84.
  • An outlet opening 146, to which an outlet line 148 is connected, is also arranged on the dirty liquid container 84.
  • the outlet line 148 has a connection element 150 at the end.
  • a valve 152 is connected into the outlet line 148 and can be acted upon by the drive device 68 in a docking position of the device 14 which will be explained below.
  • the device 14 further comprises an electrical line 154 with a connection element 156 arranged thereon, which can couple to the connection element 38 of the line 36.
  • an electrical line 154 with a connection element 156 arranged thereon, which can couple to the connection element 38 of the line 36.
  • at least one battery 158 of the device 14 can be charged via the electrical line 154.
  • the device 14 can be a self-propelled and self-steering floor cleaning device (a floor cleaning robot) with which the floor area 18 can be cleaned autonomously.
  • the control device 122 can control the movements of the device 14 under the control of a drive for the chassis 72 and also the cleaning units.
  • the device 14 is hand-guided and is guided by an operator over the floor surface 18.
  • a drive for the undercarriage 72 can be provided.
  • the operator can use a schematically illustrated handle 160, which in particular comprises a handle device, act on the device 14 ( Figures 1 and 2).
  • cleaning liquid from the storage container 82 is used to act on the bottom surface 18.
  • the dirty liquid is transferred into the dirty liquid container 84. Therefore, during operation of the device 14, the liquid level in the storage container 82 drops and the level in the dirty liquid container 84 increases.
  • the device 14 can be docked onto the docking station 12 for filling the storage container 82 and for rinsing the dirty liquid container 84 and for emptying it.
  • the device is moved automatically or under the guidance of the operator from a non-docking position (FIG. 1) to a docking position ( Figure 2 ) emotional.
  • the connection elements 28 and 106, 38 and 156 and 56 and 150 couple with one another.
  • connection elements 38, 156 separate connection elements can be provided for the energy supply on the one hand and for the transmission of switching and / or control signals on the other hand.
  • the device 14 has a detection device 162 in order to recognize that the device 14 is docked to the docking station 12.
  • the detection device 162 is formed or comprises, among other things, the control device 122.
  • the control device 122 can, for example using electrical energy from the battery 158, detect a current flow through one of the switching elements 44, 46 when the device 14 assumes the docking position and couple the connecting elements 38, 156 to one another. It can also be provided that an electrical Contact bridge is formed when the device 14 assumes the docking position. A current flow resulting from the contact bridge through the docking station 12 can be detected by the control device 122.
  • the storage container 82 and the dirty liquid container 84 can be filled, emptied and rinsed, for example, as explained below.
  • the filling process, the emptying process and the rinsing process can be triggered automatically by the control device 122 and thus to a certain extent “automatically” without the intervention of an operator.
  • control device 122 can actuate the valve 30 via the control line 32 to release the fluid connection via the supply line 26 and the liquid line 104.
  • the connection elements 28, 106 can comprise self-opening (and self-locking) valves which open automatically when the device 14 is docked or close automatically when it is undocked.
  • valve 114 is preferably actuated by the control device 122 via the control line 118 such that the liquid line section 110 is released.
  • the liquid line section 112 is blocked by means of the valve 116.
  • the reservoir 82 is filled via the feed line 26 and the liquid line 104 and in particular their liquid line section 110. The filling process can take place for a predeterminable period of time, until a predeterminable amount of cleaning liquid is filled in, or until a liquid level in the reservoir 82 that can be determined using the sensor element 134 is determined.
  • Dirty liquid can also be discharged from the dirty liquid container 84.
  • the control device 122 can activate the drive device 68 via the control line 66.
  • the valve 152 is actuated and there is a flow connection from the dirty liquid container 84 through the outlet line 148, the connection elements 56, 150 and the feed line 54 into the collecting container 52.
  • the dirty liquid container 84 is preferably emptied while the storage container 82 is being filled. The dwell time of the device 14 at the docking station 12 can thereby be kept as short as possible.
  • the control device 122 can also activate the pump unit 50 by switching the switching element 46 to release the line 48 via the control line 42.
  • dirty liquid can be pumped out of the collecting container 52 and fed to the liquid disposal network. It is possible that the pump assembly 50 is already activated when the dirty liquid container 84 is emptied or only when a predeterminable liquid level in the collecting container 52 is taken, which level can be detected by means of the sensor element 62. Regular activation of the pump unit 50 is also conceivable.
  • control device 122 can actuate the drive device 68 again, so that the valve 152 blocks the outlet line 148.
  • the dirty liquid container 84 is then rinsed and cleaned. It is advantageous if the control device 122 actuates the valve 116 to release the liquid line section 112. Conveniently, the liquid line section 110 is blocked by means of the valve 114 during the flushing process, so that the flushing device 140 can be subjected to the highest possible liquid pressure.
  • the rinsing liquid emerges from the rinsing device 140 and rinses the side walls 90 from top to bottom.
  • the control device can then actuate the valve 30 via the control line 32 to block the supply line.
  • the valves 114, 116 can also be operated to block the liquid line sections 110, 112.
  • Any flushing liquid in the dirty liquid container 84 can be removed from the dirty liquid container 84 by actuating the valve 152 again by means of the drive device 68 and transferred to the collecting container 52.
  • valve 152 is actuated during the flushing of the dirty liquid container 84 to release the outlet line 148. Flushing liquid can flow into the collecting container 52 after cleaning the dirty liquid container 84.
  • the at least one electrical battery 158 can be charged via the lines 36, 154.
  • the device 14 comprises a feed line 164 on the cover 100.
  • the feed line 164 opens into the liquid space 104 upstream of the valve housing 124 in the receiving space 126.
  • a connection element 166 is arranged on the end side of the feed line 164 and is configured here as a hose nipple.
  • An external supply line can be connected to the connecting element 166 by an operator in order to apply liquid, in particular water, to the supply line 164.
  • the liquid flows into the valve housing 124 and from there optionally into one of the liquid line sections 110, 112 for filling the storage container 82 and / or rinsing the dirty liquid container 84. It is conceivable that the operator can use an operating device 168 of the device 14 to specify which of the valves 114, 116 releases or blocks the respective liquid line section 110, 112.
  • a self-locking valve arranged in the connection element 106 ensures that no liquid emerges from the liquid line 104 when the external supply line is connected when the device 14 is undocked.
  • this type of filling or flushing operation can be carried out by connecting the external supply line to the supply line 164.
  • a self-locking valve and / or a closure element 170 can also be provided on the connection element 166, so that no liquid escapes via the supply line 164 when the liquid line 104 is acted upon by the docking station 12.
  • Figure 4 shows the closure element 170 in a state released from the connection element 166.
  • connection element 166 is positioned such that it can be accessed by an operator without opening the cover 100.

Landscapes

  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (17)

  1. Système de nettoyage de sol (10) comprenant un dispositif de nettoyage de sol (14) mobile, qui comporte au moins un groupe de nettoyage (74) pour nettoyer une surface de sol (18), un réservoir de réserve (82) destiné à recevoir un liquide de nettoyage, un dispositif de collecte de crasses (76) pour collecter du liquide encrassé de la surface de sol (18), et un réservoir de liquide encrassé (84) dans lequel peut être transféré le liquide encrassé, le système comprenant également une station d'accueil (12) destinée au dispositif de nettoyage de sol (14) arrimé à celle-ci dans la position d'arrimage,
    système
    dans lequel la station d'accueil (12) comporte au moins une conduite d'alimentation (26) sur laquelle est agencé un élément de raccordement (28), et le dispositif de nettoyage de sol (14) comporte au moins une conduite de liquide (104) sur laquelle est agencé un élément de raccordement (106),
    dans lequel le dispositif de nettoyage de sol (14) comprend un dispositif de rinçage (140) sur ou dans le réservoir de liquide encrassé (84), et
    dans lequel dans la position d'arrimage du dispositif de nettoyage de sol (14), les éléments de raccordement (28, 106) sont accouplés mutuellement, de sorte que le réservoir de réserve (82) peut être rempli avec du liquide de nettoyage par l'intermédiaire de ladite au moins une conduite de liquide (104), et le dispositif de rinçage (140) peut être alimenté, par l'intermédiaire de ladite au moins une conduite de liquide (104), avec un liquide de rinçage destiné à rincer le réservoir de liquide encrassé (84).
  2. Système de nettoyage de sol selon la revendication 1, caractérisé en ce que la station d'accueil (12) comprend exactement une conduite d'alimentation (26) sur laquelle est agencé un élément de raccordement (28), et en ce que le dispositif de nettoyage de sol (14) présente une conduite de liquide (104) se divisant en un premier tronçon de conduite de liquide (110) et un deuxième tronçon de conduite de liquide (112).
  3. Système de nettoyage de sol selon la revendication 2, caractérisé en ce que le dispositif de nettoyage de sol (14) comporte au moins une vanne (114, 116), le système étant tel
    - que dans au moins un des tronçons de conduite de liquide (110, 112) soit montée une vanne (114, 116), vanne (114, 116) par l'intermédiaire de laquelle le tronçon de conduite de liquide (110, 112) peut être rendu sélectivement passant ou être bloqué ;
    - que de préférence soient prévues deux vannes (114, 116), à savoir que dans les deux tronçons de conduite de liquide (110, 112) soit montée respectivement une vanne (114, 116) par l'intermédiaire de laquelle le tronçon de conduite de liquide (110, 112) respectif peut être rendu sélectivement passant ou être bloqué ; ou
    - que la conduite de liquide (104) se divise, au niveau d'une vanne, en les tronçons de conduite de liquide (110, 112) pouvant être rendus sélectivement passants ou être bloqués.
  4. Système de nettoyage de sol selon la revendication 1, caractérisé en ce que la station d'accueil (12) comprend deux conduites d'alimentation avec chacune un élément de raccordement respectif, et le dispositif de nettoyage de sol (14) deux conduites de liquide avec chacune un élément de raccordement respectif, une conduite d'alimentation et une conduite de liquide respectives étant à chaque fois reliées en écoulement dans la position d'arrimage du dispositif de nettoyage de sol (14), et en ce que le système de nettoyage de sol (10) comporte dans chaque combinaison conduite d'alimentation-conduite de liquide, une vanne pour rendre sélectivement passante ou bloquer la combinaison conduite d'alimentation-conduite de liquide.
  5. Système de nettoyage de sol selon la revendication 3 ou la revendication 4, caractérisé en ce que le système de nettoyage de sol (10) présente un dispositif de commande (122), qui est couplé aux vannes (114, 116) ou à la vanne, et en ce que les vannes (114, 116) peuvent être actionnées par le dispositif de commande (122), ou la vanne peut être actionnée par le dispositif de commande (122).
  6. Système de nettoyage de sol selon la revendication 5, caractérisé en ce que l'une au moins des propriétés suivantes est vérifiée :
    - le remplissage du réservoir de réserve (82) et/ou le rinçage du réservoir de liquide encrassé (84) peuvent être effectués automatiquement, après l'arrimage du dispositif de nettoyage de sol (14), sous l'effet de la commande par le dispositif de commande (122) ;
    - le dispositif de commande (122) est agencé dans le dispositif de nettoyage de sol (14).
  7. Système de nettoyage de sol selon la revendication 5 ou la revendication 6, caractérisé en ce que les vannes (114, 116) ou la vanne peuvent/peut être commandée (s) de manière telle, que le remplissage du réservoir de réserve (82) et le rinçage du réservoir de liquide encrassé (84) puissent être effectués successivement, de préférence en ce que les vannes (114, 116) ou la vanne peuvent/peut être commandée(s)de manière telle, qu'il soit tout d'abord possible de remplir le réservoir de réserve (82) et ensuite de rincer le réservoir de liquide encrassé (84).
  8. Système de nettoyage de sol selon l'une des revendications 5 à 7, caractérisé en ce que les vannes (114, 116) ou la vanne peuvent/peut être commandée (s) de manière telle, que le remplissage du réservoir de réserve (82) et/ou le rinçage du réservoir de liquide encrassé (84) puissent être effectués conformément à l'une des propriétés suivantes :
    - remplissage avec du liquide de nettoyage et/ou rinçage avec du liquide de rinçage pour une durée pouvant être prédéterminée ;
    - remplissage avec du liquide de nettoyage et/ou rinçage avec du liquide de rinçage avec une quantité pouvant être prédéterminée ;
    - remplissage avec du liquide de nettoyage jusqu'à un certain niveau, qui peut être déterminé par un capteur de niveau de remplissage (134) dans le réservoir de réserve (82).
  9. Système de nettoyage de sol selon l'une des revendications précédentes, caractérisé en ce que le dispositif de nettoyage de sol (14) présente une ouverture de sortie (146) agencée sur le réservoir de liquide encrassé (84), ainsi qu'une vanne (152) au niveau de l'ouverture de sortie (146) ou dans une conduite de sortie (148) raccordée à cette ouverture, vanne (152) par l'intermédiaire de laquelle l'ouverture de sortie (146) ou la conduite de sortie (148) peuvent sélectivement être bloquées ou peuvent être rendues passantes pour vidanger le réservoir de liquide encrassé (84).
  10. Système de nettoyage de sol selon la revendication 9, caractérisé en ce que la vanne (152) peut être commandée par un dispositif de commande (122) de préférence agencé dans le dispositif de nettoyage de sol (14).
  11. Système de nettoyage de sol selon la revendication 9 ou la revendication 10 en liaison avec l'une des revendications 5 à 8, caractérisé en ce que l'une au moins des propriétés suivantes est vérifiée :
    - les vannes (114, 116, 152) peuvent être commandées de manière telle que la vidange du réservoir de liquide encrassé (84) puisse être effectuée pendant le remplissage du réservoir de réserve (82) ;
    - les vannes (114, 116, 152) peuvent être commandées de manière telle, que le rinçage du réservoir de liquide encrassé (84) puisse être effectué après avoir vidangé le réservoir de liquide encrassé (84) .
  12. Système de nettoyage de sol selon l'une des revendications 9 à 11, caractérisé en ce que la station d'accueil (12) présente un réservoir de collecte (52) pour le liquide encrassé, et en ce que le réservoir de liquide encrassé (84) peut être vidé dans le réservoir de collecte (52) par l'intermédiaire de l'ouverture de sortie (146) ou de la conduite de sortie (148), de préférence en ce que la station d'accueil (12) comporte un groupe de pompe (50) à l'aide duquel du liquide encrassé collecté dans le réservoir de collecte (52), peut être évacué par pompage et envoyé dans un réseau d'élimination et de traitement du liquide.
  13. Système de nettoyage de sol selon l'une des revendications précédentes, caractérisé en ce que le système de nettoyage de sol (10) comporte un dispositif de détection (162) pour déceler un arrimage du dispositif de nettoyage de sol (14) à la station d'accueil (12).
  14. Système de nettoyage de sol selon l'une des revendications précédentes, caractérisé en ce que le liquide de nettoyage et le liquide de rinçage sont identiques, notamment en ce que la station d'accueil (12) comporte du côté entrée de la conduite d'alimentation (26), uniquement un seul élément de raccordement (24) pour le raccordement à un réseau d'alimentation en liquide.
  15. Système de nettoyage de sol selon l'une des revendications précédentes, caractérisé en ce que l'une au moins des propriétés suivantes est vérifiée :
    - le dispositif de rinçage (140) est agencé ou fixé sur une paroi de recouvrement (130) du réservoir de liquide encrassé (84), le réservoir de liquide encrassé (84) présentant notamment un couvercle (100) formant la paroi de recouvrement (130) ;
    - le dispositif de rinçage (140) comprend une conduite de rinçage avec une pluralité d'ouvertures de sortie, la conduite de rinçage étant formée ou comprenant notamment un tronçon de conduite de liquide (112) de ladite au moins une conduite de liquide (104), et/ou étant une conduite en anneau (138) ;
    - du liquide rinçage sortant du dispositif de rinçage (140) est dirigé sur au moins une paroi latérale (90) du réservoir de liquide encrassé (84).
  16. Système de nettoyage de sol selon l'une des revendications précédentes, caractérisé en ce que le dispositif de nettoyage de sol (14) comprend une conduite d'alimentation (164) sur laquelle est agencé un élément de raccordement (166) et qui débouche dans ladite au moins une conduite de liquide (104), élément de raccordement (166) auquel peut être raccordée manuellement une conduite d'approvisionnement externe pour l'amenée de liquide de nettoyage et/ou de liquide de rinçage.
  17. Système de nettoyage de sol selon l'une des revendications précédentes, caractérisé en ce que le dispositif de nettoyage de sol (14) est automoteur et autoguidé, et/ou en ce que le dispositif de nettoyage de sol (14) est mené et guidé à la main.
EP16720433.8A 2016-05-04 2016-05-04 Système de nettoyagfe des sols Active EP3451889B1 (fr)

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KR (1) KR20190022458A (fr)
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WO (1) WO2017190785A1 (fr)

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Publication number Publication date
US11000170B2 (en) 2021-05-11
US20190069748A1 (en) 2019-03-07
CN109068925A (zh) 2018-12-21
KR20190022458A (ko) 2019-03-06
EP3451889A1 (fr) 2019-03-13
CN109068925B (zh) 2021-08-17
WO2017190785A1 (fr) 2017-11-09

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