EP3040009B1 - Apparatus for cleaning with a liquid container - Google Patents

Apparatus for cleaning with a liquid container Download PDF

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Publication number
EP3040009B1
EP3040009B1 EP16152396.4A EP16152396A EP3040009B1 EP 3040009 B1 EP3040009 B1 EP 3040009B1 EP 16152396 A EP16152396 A EP 16152396A EP 3040009 B1 EP3040009 B1 EP 3040009B1
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EP
European Patent Office
Prior art keywords
cleaning
cleaning liquid
container
heating
heating device
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
EP16152396.4A
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German (de)
French (fr)
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EP3040009A3 (en
EP3040009A2 (en
Inventor
Uwe Dingert
Norbert Dr. Weis
Mike Dr. Kosub
Tomaso CASCIONE
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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Publication date
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Priority to PL16152396T priority Critical patent/PL3040009T3/en
Publication of EP3040009A2 publication Critical patent/EP3040009A2/en
Publication of EP3040009A3 publication Critical patent/EP3040009A3/en
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Publication of EP3040009B1 publication Critical patent/EP3040009B1/en
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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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/20—Mops
    • A47L13/22—Mops with liquid-feeding devices
    • A47L13/225—Steam mops
    • 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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16—Cloths; Pads; Sponges
    • 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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/20—Mops
    • A47L13/22—Mops with liquid-feeding 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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/26—Other cleaning devices with liquid supply arrangements
    • 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

Definitions

  • the invention relates to a cleaning device according to the preamble of claim 1.
  • a cleaning device for cleaning floors comprising a container for receiving a cleaning liquid, a dispensing device for dispensing the cleaning liquid onto a floor and a heating device for heating and / or temperature control of the cleaning liquid, the cleaning device being wirelessly operable.
  • the dispensing device can be designed to be heatable.
  • Another cleaning device is from the U.S. 6,131,237 known.
  • the previously known cleaning device comprises a continuous flow heater and a large number of other individual parts, which is not very satisfactory in terms of production technology and economics.
  • Another cleaning device is from the WO 2009/148911 A1 known.
  • the previously known cleaning device is also provided for cleaning floors, comprising a container for receiving a cleaning liquid, a dispensing device for dispensing the cleaning liquid onto the floor and a heating device for heating and / or tempering the cleaning liquid, the cleaning device being wirelessly operated.
  • the heating device can be designed in such a way that it ensures evaporation of the cleaning liquid.
  • the previously known cleaning device can be provided with a preheating device, which is connected upstream of the actual heating device, in order to enable the temperature of the cleaning liquid to rise more quickly.
  • a cleaning device which has a preheating device similar to that described above and which can be connected to an external energy source. Steam is generated by the energy of a battery that is located in the cleaning device.
  • Cleaning devices for cleaning floors and / or surfaces which have a container for receiving a cleaning liquid.
  • the cleaning liquid is transferred to a floor and / or a surface to be cleaned via a dispensing device.
  • Such a dispensing device can be designed as a nozzle or comprise a sponge or a cloth which transfers cleaning liquid to the floor and / or the surface by capillary forces.
  • the cleaning devices known from the prior art require an external energy source in order to heat and / or temper the cleaning liquid inside the container. Often a cable is provided which is connected to the external energy source. The handling of such cleaning devices is, however, inconvenient and complex.
  • the invention is therefore based on the object of designing and developing a cleaning device of the type mentioned in such a way that it can be easily supplied with energy for heating and / or temperature control and / or evaporation of the cleaning liquid and that an undesirable drop in the temperature of the cleaning liquid is prevented.
  • the present invention achieves the aforementioned object by the features of claim 1.
  • the dispensing device is thermally insulated from the environment. This advantageously prevents the temperature of the cleaning liquid from dropping to an undesirable extent.
  • the dispensing device is designed to be heatable.
  • the cleaning liquid can be kept at a desired temperature by heating.
  • the cleaning device can be operated wirelessly.
  • a cleaning device is designed in such a way that it can be supplied with energy for heating and / or temperature control and / or evaporation of the cleaning liquid without any problems.
  • a heat accumulator could be assigned to the heating device, which keeps the cleaning liquid alone or together with the heating device at a predeterminable operating temperature.
  • a heat accumulator can give off heat to the cleaning fluid over a longer period of time and keep it at a suitable operating temperature even when an external energy source is no longer available.
  • the heat accumulator ensures that heat is given off to the cleaning fluid in a defined manner over a very long period of time, so that it can be given off in a hot or warm state on a floor and / or a surface to be cleaned.
  • the heating device could heat the cleaning liquid to an operating temperature that is greater than 10 ° C, but below 100 ° C.
  • This specific configuration ensures that no high pressures arise within the container due to the development of steam.
  • a temperature is preferably maintained at which the evolution of steam does not just yet take place. Although this allows hot cleaning fluid to be released onto floors or surfaces to be cleaned, it is ensured that no high internal pressures arise within the container which could damage it. In this respect, the boiling point of the cleaning liquid is not reached in order to avoid the development of steam.
  • the heating device could heat the cleaning liquid to an operating temperature that is greater than 100.degree.
  • a high level of energy can advantageously be applied to the surface to be cleaned by the generated steam.
  • the dispensing device can be designed in a very simple manner, for example as a valve. In this specific embodiment, the boiling temperature of the cleaning liquid is reached in order to generate steam.
  • the heating device could be designed as an electrical resistance heater.
  • a known and failure-prone technology for generating heat is advantageously used.
  • the heating device could switch off automatically when the cleaning liquid reaches a predefined operating temperature. Against this background, it is conceivable that the heating device switches off automatically at a factory-defined operating temperature. This can be done with a thermostat.
  • the heating device and / or the heat accumulator could be operated wirelessly. With this specific configuration, the cleaning device can be moved and used independently of an external energy source.
  • the heating device could be operated by a battery.
  • a battery can be charged by an external source of energy during a charging period. After the battery has been charged, it can provide energy over a very long period of time, with which cleaning fluid is heated and / or temperature-controlled.
  • the battery could be rechargeable by a charger, which is either in or on the cleaning device or in or on an external charging station is recorded.
  • the battery can advantageously be charged quickly with a charger.
  • Both the charger and the heating device and / or the heat accumulator and / or the cleaning liquid could be able to be charged with energy simultaneously.
  • the user can put the cleaning device into an operational state in a time-saving and self-explanatory manner.
  • the heating device could be operated by a mains voltage. In this way, a very high heating power can be supplied without any problems. Electricity from the socket can be used without any problems. As a result, a cable can only be used for a certain period of time, namely to thermally charge the cleaning fluid and / or the heat accumulator. The cable can then be disconnected from the mains and / or from the cleaning device.
  • the heating device could be operated by liquid, solid and / or gaseous fuels.
  • liquid, solid and / or gaseous fuels gas, gasoline, oil, dry spirit, alcohol, coal, wood and the like could be used. These fuels advantageously have a high energy content.
  • the cleaning device can be used on a mobile basis without any problems when using these fuels.
  • the heat store could include phase change materials, namely so-called "phase change materials” (PCM).
  • phase change materials PCM
  • An example of such a material is paraffin. These materials show a particularly high heat storage capacity. During the phase transition from solid to liquid, these materials show defined temperature ranges in which heat can be supplied without the temperature of the materials changing. At the When such a material cools down, it releases the stored heat to the environment. This effect can be used to supply the stored heat to the cleaning liquid and thus to compensate for its cooling to ambient temperature over a certain period of time.
  • the heat store could include steel, zinc, aluminum, sugar or tin. These materials have a high heat storage capacity.
  • the heat accumulator could be at least partially surrounded by the container. As a result, the heat from the heat accumulator can be given off to the cleaning fluid in all directions.
  • the heat accumulator could be in contact with the container.
  • the heat accumulator can only rest on one side of the container.
  • the heat accumulator can advantageously be easily installed and replaced.
  • the container is insulated.
  • the container could be removable from the cleaning device.
  • the container can be filled with cleaning fluid and then reconnected to the cleaning device.
  • the heating device and / or the heat accumulator could be removable from the cleaning device. In this way, the heat accumulator can be thermally charged separately from the cleaning device.
  • the heating device and / or the heat accumulator could be integrated into the container. With this specific configuration, the heating device and / or the heat accumulator can be removed from the cleaning device together with the container.
  • Both the heating device and the heat storage unit could be connected to an external energy source.
  • the container can be filled with cleaning fluid.
  • the container is first filled with cleaning fluid and the cleaning fluid is then heated.
  • the container with heated cleaning liquid can then be coupled to the cleaning device.
  • the cleaning fluid is then further heated by the heating device and / or the heat storage device independently of an external energy source or is kept in a desired operating temperature range.
  • the cleaning device could be detachable from a charging station.
  • the charging station enables the heating device to be easily connected to an energy source.
  • the charging station connects the heating device to the mains voltage of an electricity network.
  • the cleaning device can be removed from the charging station and used wirelessly for cleaning.
  • the charging station is designed as a separable power cable.
  • an adapter for the power cord is provided on the cleaning device.
  • the delivery device could be operated mechanically, pneumatically, hydraulically and / or electrically. Against this background, it is conceivable to use pumps, CO2 cartridges or pressure vessels. It is also conceivable to use gravity to convey the cleaning fluid onto the surfaces to be cleaned. Ultrasound could be used to convey the cleaning fluid. In addition, ultrasound could be used to finely atomize the cleaning liquid or to disperse it in droplets.
  • the dispensing device could be operated by an actuating device comprising a handle.
  • the handle preferably cooperates with a linkage which actuates the dispensing device.
  • the container for receiving the cleaning liquid could be designed as a thermally insulated liquid tank. This keeps the cleaning fluid at operating temperature for as long as possible.
  • the cleaning device could have a frame, an opening being provided in the frame through which the dispensing device applies cleaning liquid to the floor to be cleaned and / or the surface to be cleaned.
  • a textile can be stretched through the frame in order to absorb or distribute the cleaning fluid.
  • the cleaning device could have a display device which indicates that an operating temperature of the cleaning fluid has been reached. This allows the operator to easily see that the cleaning device is ready for use.
  • the display device could generate optical or acoustic signals.
  • the display device could be designed as a whistle.
  • a whistle produces a loud, easily audible signal in the manner of a tea kettle.
  • the whistle could be arranged in the vicinity of the dispensing device. This ensures that escaping liquid or vapor does not injure the user.
  • the cleaning device could have a level indicator which indicates the amount of cleaning liquid still present. This allows the operator to easily see whether the cleaning device is ready for use.
  • the cleaning device could have a reheater element which is assigned to the heating device or the dispensing device in order to evaporate the cleaning liquid. As a result, the cleaning liquid in the liquid tank can be brought to a first temperature and only brought to the final temperature and evaporated shortly before it leaves the dispensing device. This saves energy.
  • a flow heater for example, can be used as the reheater element.
  • the cleaning device could have a metering device which adds a substance to the cleaning liquid.
  • a metering device which adds a substance to the cleaning liquid.
  • the metering device is preferably positioned between the dispensing device and the liquid tank, but always in the direction of flow after the liquid tank.
  • the cleaning device is preferably designed as a mop.
  • a mop can be equipped with sponges, textiles and / or nozzles which feed the cleaning liquid from the container to the floor and / or the surface to be cleaned.
  • the cleaning device could be an autonomous cleaning robot. Such a robot can move independently on surfaces to be cleaned and clean them.
  • the cleaning fluid of the cleaning robot could be heated at a docking station.
  • an accumulator of the cleaning robot can be charged at the docking station, which accumulator controls the temperature of the cleaning liquid while the cleaning robot is in motion or evaporated.
  • the cleaning robot generates steam while it is driving. As soon as the battery is empty, the cleaning robot returns to the docking station to charge it. Against this background, it is also conceivable that the cleaning robot at the docking station takes up hot cleaning liquid from a stationary reservoir.
  • a cloth for use on a cleaning device of the type described here could comprise a flat base body in which a hole is formed.
  • the cloth can be stretched onto a frame, an opening being provided in the frame through which the dispensing device applies cleaning liquid to the floor to be cleaned and / or the surface to be cleaned. Since a hole is also provided in the cloth which is largely aligned with the opening in the frame, the cleaning liquid can be applied directly to the floor to be cleaned and / or the surface to be cleaned and distributed with the cloth. Furthermore, the cloth can be used to exert an abrasive effect on stubborn dirt.
  • the hole in the textile base body could be covered with a flexible, net-like structure.
  • cleaning liquid can be applied to the floor to be cleaned and, at the same time, an abrasive cleaning effect can be exerted through the net-like structure.
  • the cloth can also be made without a hole.
  • Fig. 1 shows a container 1 for receiving a cleaning liquid 2, which can be assigned to a cleaning device for cleaning floors and / or surfaces.
  • the container has a dispensing device 3 for dispensing the cleaning liquid onto a floor and / or a surface to be cleaned.
  • the dispensing device 3 is designed as a spray nozzle.
  • the container 1 also has a heating device 4 for heating and / or temperature control of the cleaning liquid 2.
  • the heating device 4 comprises a first heating coil section 5 for heating the cleaning liquid 2, which is located inside a tank 6.
  • the heating device 4 also has a second heating coil section 7, which is received within a heat accumulator 8.
  • the heat accumulator 8 is accommodated within the tank 6 and can thus give off heat all around to the cleaning liquid 2.
  • the tank 6 is preferably thermally insulated from the atmosphere or the surroundings.
  • the container 1 has a device 9 for filling the container 1.
  • the container 1 also has a device 10 for coupling the container 1 to a cleaning device.
  • Fig. 2 shows a cleaning device for cleaning floors and / or surfaces, comprising a container 1 'for receiving a cleaning liquid 2, a dispensing device 3' for dispensing the cleaning liquid onto a floor and / or a surface to be cleaned and a heating device 4 ′ for heating and / or tempering the cleaning liquid 2.
  • the heating device 4 ' is assigned a heat accumulator 5' which, alone or together with the heating device 4 ', keeps the cleaning liquid 2 at a predeterminable operating temperature.
  • the heating device 4 'and the heat storage device 5' comprise phase change materials (PCM).
  • PCM phase change materials
  • the delivery device 3 ' is designed as a pump.
  • the cleaning device has a removable handle or handle 11. Cleaning fluid 2 can be pumped out of the container 1 'through a power transmission device 12.
  • Fig. 3 shows a further embodiment of a cleaning device for cleaning floors and / or surfaces.
  • the cleaning device comprises a container 1 ′′ for receiving a cleaning liquid 2, a dispensing device 3 ′′ for dispensing the cleaning liquid onto a floor and / or a surface to be cleaned, and a heating device 4 ′′ for heating and / or tempering the cleaning liquid 2.
  • the heating device 4 ′′ can be assigned a heat storage device 5 ′′ which, alone or together with the heating device, keeps the cleaning liquid 2 at a predeterminable operating temperature.
  • the delivery device 3 " is designed as a pump.
  • the pump is connected to a power transmission device 12 '.
  • the heating device 4 ′′ heats the cleaning liquid 2 to an operating temperature which is greater than 10 ° C., but below 100 ° C. This also applies with regard to the Figures 1 and 2 .
  • the heating device 4 ′′ and / or the heat accumulator 5 ′′ can be operated wirelessly.
  • the heating device 4 ′′ can be operated by a battery 13.
  • the heat accumulator 5 ′′ can comprise phase change materials, namely so-called “phase change materials” (PCM).
  • PCM phase change materials
  • the container 1 ′′ can be removed from the cleaning device.
  • the heating device 4 ′′ and / or heat storage 5 ′′ are integrated into the container 1 ′′.
  • the cleaning device is designed as a mop.
  • Fig. 3 shows in this respect a cleaning device which shows a removable container 1 ′′ in which a battery 13 is accommodated. This enables cordless operation.
  • FIGS. 4 to 6 show another cleaning device for cleaning floors and / or surfaces.
  • This comprises a container 1 for receiving a cleaning liquid 2, a dispensing device 3 ′′′ for dispensing the cleaning liquid 2 onto a floor and / or a surface to be cleaned and a heating device 4 for heating and / or temperature control and / or evaporation of the cleaning liquid 2.
  • the cleaning device can be operated wirelessly.
  • a power cord 21 can be connected to the cleaning device via an adapter 22 and disconnected again for operation.
  • the container 1 ′′′ for receiving the cleaning liquid 2 is designed as a thermally insulated liquid tank.
  • the cleaning liquid 2 can be filled into these via a filler neck 1a ′′′.
  • Fig. 6 shows that the cleaning device has a frame 14 ′′′, an opening 15 ′′′ being provided in the frame 14 ′′′ through which the dispensing device 3 ′′′ applies cleaning liquid 2 to the floor to be cleaned and / or the surface to be cleaned.
  • a display device 16 ′′′ is provided which indicates that an operating temperature of the cleaning liquid 2 has been reached.
  • the display device 16 ′′′ is designed as a whistle.
  • the whistle is arranged in the vicinity of the dispensing device 3 ′′′ to protect the operating people.
  • a level indicator 17 ′′′ is provided, which indicates the amount of cleaning liquid 2 that is still present.
  • the level indicator 17 ′′′ comprises a float and a flag, which can be seen from the outside.
  • a reheater element 23 can be provided which is assigned to the heating device 4 ′′′ or the dispensing device 3 ′′′ in order to evaporate the cleaning liquid 2.
  • a metering device 24 can be provided which adds a substance to the cleaning liquid 2. This is in Fig. 5 shown.
  • the dispensing device 3 ′′′ is operated by an actuating device which comprises a handle 3a ′′′.
  • the handle 3a ′′′ preferably cooperates with a linkage which actuates the dispensing device 3 ′′′.
  • the handle 3a ′′′ is pulled up.
  • FIG. 14 shows a cloth 18 for use on a cleaning device according to FIG Figures 4 to 6 . It comprises a flat base body 19 in which a hole 20 is formed. The cleaning liquid 2 can be applied through this hole 20 to a floor and / or a surface to be cleaned.
  • the cloth 18 has an outer border line which essentially describes a triangle.
  • the hole 20 is also substantially triangular.
  • Water, alcohol, oil, surfactant and / or a mixture of the aforementioned substances can be used as cleaning liquid 2.

Description

Technisches GebietTechnical area

Die Erfindung betrifft ein Reinigungsgerät gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a cleaning device according to the preamble of claim 1.

Stand der TechnikState of the art

Aus der WO 2007/046889 A1 ist ein Reinigungsgerät zur Reinigung von Böden bekannt, umfassend einen Behälter zur Aufnahme einer Reinigungsflüssigkeit, eine Abgabeeinrichtung zur Abgabe der Reinigungsflüssigkeit auf einen Boden und eine Heizeinrichtung zur Erwärmung und/oder Temperierung der Reinigungsflüssigkeit, wobei das Reinigungsgerät kabellos betreibbar ist. Die Abgabeeinrichtung kann beheizbar ausgeführt sein.From the WO 2007/046889 A1 A cleaning device for cleaning floors is known, comprising a container for receiving a cleaning liquid, a dispensing device for dispensing the cleaning liquid onto a floor and a heating device for heating and / or temperature control of the cleaning liquid, the cleaning device being wirelessly operable. The dispensing device can be designed to be heatable.

Ein weiteres Reinigungsgerät ist aus der US 6,131,237 bekannt. Das vorbekannte Reinigungsgerät umfasst einen Durchlauferhitzer sowie eine Vielzahl weiterer Einzelteile, was in fertigungstechnischer und wirtschaftlicher Hinsicht wenig zufriedenstellend ist.Another cleaning device is from the U.S. 6,131,237 known. The previously known cleaning device comprises a continuous flow heater and a large number of other individual parts, which is not very satisfactory in terms of production technology and economics.

Ein weiteres Reinigungsgerät ist aus der WO 2009/148911 A1 bekannt. Das vorbekannte Reinigungsgerät ist ebenfalls zur Reinigung von Böden vorgesehen, umfassend einen Behälter zur Aufnahme einer Reinigungsflüssigkeit, eine Abgabeeinrichtung zur Abgabe der Reinigungsflüssigkeit auf den Boden und eine Heizeinrichtung zur Erwärumg und/oder Temperrierung der Reinigungsflüssigkeit, wobei das Reinigungsgerät kabellos betreibbar ist.Another cleaning device is from the WO 2009/148911 A1 known. The previously known cleaning device is also provided for cleaning floors, comprising a container for receiving a cleaning liquid, a dispensing device for dispensing the cleaning liquid onto the floor and a heating device for heating and / or tempering the cleaning liquid, the cleaning device being wirelessly operated.

Die Heizeinrichtung kann derart ausgeführt sein, dass sie für eine Verdampfung der Reinigungsflüssigkeit sorgt.The heating device can be designed in such a way that it ensures evaporation of the cleaning liquid.

Außerdem kann das vorbekannte Reinigungsgerät mit einer Vorheizeinrichtung versehen sein, die der eigentlichen Heizeinrichtung vorgeschaltet ist, um einen schnelleren Temperaturanstieg der Reinigungsflüssigkeit zur ermöglichen.In addition, the previously known cleaning device can be provided with a preheating device, which is connected upstream of the actual heating device, in order to enable the temperature of the cleaning liquid to rise more quickly.

Aus der EP 1 795 108 A2 ist ein Reinigungsgerät bekannt, das eine ähnliche Vorheizeinrichtung, wie zuvor beschrieben, aufweist und an eine externe Energiequelle anschließbar ist. Erzeugt wird Dampf durch die Energie einer Batterie, die im Reinigungsgerät angeordnet ist.From the EP 1 795 108 A2 a cleaning device is known which has a preheating device similar to that described above and which can be connected to an external energy source. Steam is generated by the energy of a battery that is located in the cleaning device.

Aus der EP 2 279 686 A2 und aus der WO 2009/132317 A1 sind Reinigungsgeräte bekannt, die als autonome Reinigungsroboter ausgebildet sind.From the EP 2 279 686 A2 and from the WO 2009/132317 A1 cleaning devices are known which are designed as autonomous cleaning robots.

Aus der DE 101 24 336 B4 sind Reinigungsgeräte zur Reinigung von Böden und/oder Flächen bereits bekannt, die einen Behälter zur Aufnahme einer Reinigungsflüssigkeit aufweisen. Die Reinigungsflüssigkeit wird über eine Abgabeeinrichtung auf einen Boden und/oder eine zu reinigende Fläche übertragen.From the DE 101 24 336 B4 Cleaning devices for cleaning floors and / or surfaces are already known which have a container for receiving a cleaning liquid. The cleaning liquid is transferred to a floor and / or a surface to be cleaned via a dispensing device.

Eine solche Abgabeeinrichtung kann als Düse ausgestaltet sein oder einen Schwamm bzw. ein Tuch umfassen, welcher bzw. welches durch Kapillarkräfte Reinigungsflüssigkeit auf den Boden und/oder die Fläche überträgt.Such a dispensing device can be designed as a nozzle or comprise a sponge or a cloth which transfers cleaning liquid to the floor and / or the surface by capillary forces.

Die aus dem Stand der Technik bekannten Reinigungsgeräte benötigen eine externe Energiequelle, um die Reinigungsflüssigkeit innerhalb des Behälters zu erwärmen und/oder zu temperieren. Oft ist ein Kabel vorgesehen, welches mit der externen Energiequelle verbunden ist. Die Handhabung solcher Reinigungsgeräte ist jedoch unkomfortabel und aufwendig.The cleaning devices known from the prior art require an external energy source in order to heat and / or temper the cleaning liquid inside the container. Often a cable is provided which is connected to the external energy source. The handling of such cleaning devices is, however, inconvenient and complex.

Darstellung der ErfindungPresentation of the invention

Der Erfindung liegt daher die Aufgabe zugrunde, ein Reinigungsgerät der eingangs genannten Art derart auszugestalten und weiterzubilden, dass dieses problemlos mit Energie zur Erwärmung und/oder Temperierung und/ oder Verdampfung der Reinigungsflüssigkeit versorgbar ist und dass ein unerwünschtes Absinken der Temperatur der Reinigungsflüssigkeit verhindert wird.The invention is therefore based on the object of designing and developing a cleaning device of the type mentioned in such a way that it can be easily supplied with energy for heating and / or temperature control and / or evaporation of the cleaning liquid and that an undesirable drop in the temperature of the cleaning liquid is prevented.

Die vorliegende Erfindung löst die zuvor genannte Aufgabe durch die Merkmale des Patentanspruchs 1.The present invention achieves the aforementioned object by the features of claim 1.

Erfindungsgemäß ist erkannt worden, dass die Abgabeeinrichtung gegen die Umgebung thermisch isoliert ist. Vorteilhaft wird hierdurch verhindert, dass die Temperatur der Reinigungsflüssigkeit in unerwünschtem Maße absinkt.According to the invention it has been recognized that the dispensing device is thermally insulated from the environment. This advantageously prevents the temperature of the cleaning liquid from dropping to an undesirable extent.

Vor diesem Hintergrund ist die Abgabeeinrichtung beheizbar ausgeführt. Durch eine Heizung kann die Reinigungsflüssigkeit auf einer gewünschten Temperatur gehalten werden.Against this background, the dispensing device is designed to be heatable. The cleaning liquid can be kept at a desired temperature by heating.

Das Reinigungsgerät kann erfindungsgemäß kabellos betrieben werden. Insoweit ist ein Reinigungsgerät derart ausgestaltet, dass dieses problemlos mit Energie zur Erwärmung und/oder Temperierung und/ oder Verdampfung der Reinigungsflüssigkeit versorgbar ist.According to the invention, the cleaning device can be operated wirelessly. To this extent, a cleaning device is designed in such a way that it can be supplied with energy for heating and / or temperature control and / or evaporation of the cleaning liquid without any problems.

Folglich ist die eingangs genannte Aufgabe gelöst.As a result, the object mentioned at the beginning is achieved.

Der Heizeinrichtung könnte ein Wärmespeicher zugeordnet sein, welcher die Reinigungsflüssigkeit allein oder gemeinsam mit der Heizeinrichtung auf einer vorgebbaren Betriebstemperatur hält. Ein Wärmespeicher kann über längere Zeit Wärme an die Reinigungsflüssigkeit abgeben und diese auch dann noch auf einer geeigneten Betriebstemperatur halten, wenn eine externe Energiequelle nicht mehr zur Verfügung steht. Der Wärmespeicher stellt sicher, dass über einen sehr langen Zeitraum Wärme in definierter Weise an die Reinigungsflüssigkeit abgegeben wird, so dass diese in heißem oder warmem Zustand auf einen Boden und/oder eine zu reinigende Fläche abgegeben werden kann.A heat accumulator could be assigned to the heating device, which keeps the cleaning liquid alone or together with the heating device at a predeterminable operating temperature. A heat accumulator can give off heat to the cleaning fluid over a longer period of time and keep it at a suitable operating temperature even when an external energy source is no longer available. The heat accumulator ensures that heat is given off to the cleaning fluid in a defined manner over a very long period of time, so that it can be given off in a hot or warm state on a floor and / or a surface to be cleaned.

Die Heizeinrichtung könnte die Reinigungsflüssigkeit auf eine Betriebstemperatur erhitzen, die größer als 10°C ist, jedoch unterhalb von 100°C liegt. Durch diese konkrete Ausgestaltung ist sichergestellt, dass innerhalb des Behälters keine hohen Drücke durch Dampfentwicklung entstehen. Bevorzugt wird eine Temperatur eingehalten, bei der eine Dampfentwicklung gerade noch nicht stattfindet. Hierdurch kann zwar heiße Reinigungsflüssigkeit auf Böden oder zu reinigende Flächen abgegeben werden, es bleibt jedoch sichergestellt, dass keine hohen Innendrücke innerhalb des Behälters entstehen, welche diesen beschädigen können. Insoweit wird die Siedetemperatur der Reinigungsflüssigkeit nicht erreicht, um Dampfentwicklung zu vermeiden.The heating device could heat the cleaning liquid to an operating temperature that is greater than 10 ° C, but below 100 ° C. This specific configuration ensures that no high pressures arise within the container due to the development of steam. A temperature is preferably maintained at which the evolution of steam does not just yet take place. Although this allows hot cleaning fluid to be released onto floors or surfaces to be cleaned, it is ensured that no high internal pressures arise within the container which could damage it. In this respect, the boiling point of the cleaning liquid is not reached in order to avoid the development of steam.

In einer bevorzugten Ausführungsform könnte die Heizeinrichtung die Reinigungsflüssigkeit auf eine Betriebstemperatur erhitzen, die größer 100 °C ist. Vorteilhaft kann durch erzeugten Dampf eine hohe Energie auf die zu reinigende Fläche aufgebracht werden. Die Abgabeeinrichtung kann konstruktiv sehr einfach, beispielsweise als Ventil, ausgestaltet sein. Bei dieser konkreten Ausgestaltung wird die Siedetemperatur der Reinigungsflüssigkeit erreicht, um eine Dampfentwicklung zu bewirken.In a preferred embodiment, the heating device could heat the cleaning liquid to an operating temperature that is greater than 100.degree. A high level of energy can advantageously be applied to the surface to be cleaned by the generated steam. The dispensing device can be designed in a very simple manner, for example as a valve. In this specific embodiment, the boiling temperature of the cleaning liquid is reached in order to generate steam.

Die Heizeinrichtung könnte als elektrische Widerstandsheizung ausgeführt sein. Vorteilhaft wird eine bekannte und störunanfällige Technologie zur Wärmeerzeugung genutzt.The heating device could be designed as an electrical resistance heater. A known and failure-prone technology for generating heat is advantageously used.

Die Heizeinrichtung könnte bei Erreichen einer vordefinierten Betriebstemperatur der Reinigungsflüssigkeit automatisch abschalten. Vor diesem Hintergrund ist denkbar, dass die Heizeinrichtung bei einer werksseitig definierten Betriebstemperatur automatisch abschaltet. Dies kann durch einen Thermostaten realisiert werden.The heating device could switch off automatically when the cleaning liquid reaches a predefined operating temperature. Against this background, it is conceivable that the heating device switches off automatically at a factory-defined operating temperature. This can be done with a thermostat.

Die Heizeinrichtung und/oder der Wärmespeicher könnten kabellos betreibbar sein. Durch diese konkrete Ausgestaltung kann das Reinigungsgerät unabhängig von einer externen Energiequelle bewegt und benutzt werden.The heating device and / or the heat accumulator could be operated wirelessly. With this specific configuration, the cleaning device can be moved and used independently of an external energy source.

Vor diesem Hintergrund könnte die Heizeinrichtung durch eine Batterie betreibbar sein. Eine Batterie kann durch eine externe Energiequelle während eines Aufladezeitraums aufgeladen werden. Nach dem Aufladen der Batterie kann diese über einen sehr langen Zeitraum Energie bereitstellen, mit welcher Reinigungsflüssigkeit erhitzt und/oder temperiert wird.Against this background, the heating device could be operated by a battery. A battery can be charged by an external source of energy during a charging period. After the battery has been charged, it can provide energy over a very long period of time, with which cleaning fluid is heated and / or temperature-controlled.

Die Batterie könnte durch ein Ladegerät aufladbar sein, welches entweder im oder am Reinigungsgerät oder in oder an einer externen Ladestation aufgenommen ist. Vorteilhaft kann mit einem Ladegerät die Batterie schnell aufgeladen werden.The battery could be rechargeable by a charger, which is either in or on the cleaning device or in or on an external charging station is recorded. The battery can advantageously be charged quickly with a charger.

Sowohl das Ladegerät als auch die Heizeinrichtung und/ oder der Wärmespeicher und/ oder die Reinigungsflüssigkeit könnten simultan mit Energie beaufschlagbar sein. Vorteilhaft kann der Benutzer das Reinigungsgerät zeitsparend und selbsterklärend in einen betriebstauglichen Zustand verbringen.Both the charger and the heating device and / or the heat accumulator and / or the cleaning liquid could be able to be charged with energy simultaneously. Advantageously, the user can put the cleaning device into an operational state in a time-saving and self-explanatory manner.

Die Heizeinrichtung könnte durch eine Netzspannung betreibbar sein. Hierdurch kann problemlos eine sehr hohe Heizleistung zugeführt werden. Problemlos kann Strom aus der Steckdose genutzt werden. Hierdurch kann ein Kabel nur für einen gewissen Zeitraum genutzt werden, nämlich, um die Reinigungsflüssigkeit und/ oder den Wärmespeicher thermisch aufzuladen. Danach kann das Kabel vom Netz und/ oder vom Reinigungsgerät getrennt werden.The heating device could be operated by a mains voltage. In this way, a very high heating power can be supplied without any problems. Electricity from the socket can be used without any problems. As a result, a cable can only be used for a certain period of time, namely to thermally charge the cleaning fluid and / or the heat accumulator. The cable can then be disconnected from the mains and / or from the cleaning device.

Die Heizeinrichtung könnte durch flüssige, feste und/ oder gasförmige Brennstoffe betreibbar sein. Als solche Brennstoffe könnten Gas, Benzin, Öl, Trockenspiritus, Alkohol, Kohle, Holz und ähnliches verwendet werden. Vorteilhaft haben diese Brennstoffe einen hohen Energiegehalt. Des Weiteren ist das Reinigungsgerät bei Verwendung dieser Brennstoffe problemlos mobil einsetzbar.The heating device could be operated by liquid, solid and / or gaseous fuels. As such fuels, gas, gasoline, oil, dry spirit, alcohol, coal, wood and the like could be used. These fuels advantageously have a high energy content. Furthermore, the cleaning device can be used on a mobile basis without any problems when using these fuels.

Der Wärmespeicher könnte Phasenwechselmaterialien, nämlich so genannte "phase change materials" (PCM) umfassen. Ein Beispiel für ein solches Material ist Paraffin. Diese Materialien zeigen eine besonders hohe Wärmespeicherkapazität. Beim Phasenübergang von fest nach flüssig zeigen diese Materialien definierte Temperaturbereiche, in denen Wärme zugeführt werden kann, ohne dass sich die Temperatur der Materialien ändert. Beim Abkühlen eines solchen Materials gibt dieses die gespeicherte Wärme an die Umgebung ab. Dieser Effekt kann genutzt werden, um die gespeicherte Wärme der Reinigungsflüssigkeit zuzuführen und so deren Abkühlung auf Umgebungstemperatur über einen gewissen Zeitraum zu kompensieren.The heat store could include phase change materials, namely so-called "phase change materials" (PCM). An example of such a material is paraffin. These materials show a particularly high heat storage capacity. During the phase transition from solid to liquid, these materials show defined temperature ranges in which heat can be supplied without the temperature of the materials changing. At the When such a material cools down, it releases the stored heat to the environment. This effect can be used to supply the stored heat to the cleaning liquid and thus to compensate for its cooling to ambient temperature over a certain period of time.

Der Wärmespeicher könnte Stahl, Zink, Aluminium, Zucker oder Zinn umfassen. Diese Materialien weisen eine hohe Wärmespeicherkapazität auf.The heat store could include steel, zinc, aluminum, sugar or tin. These materials have a high heat storage capacity.

In einem bevorzugten Ausführungsbeispiel könnte der Wärmespeicher zumindest teilweise vom Behälter umgeben sein. Hierdurch kann die Wärme vom Wärmespeicher in alle Richtungen an die Reinigungsflüssigkeit abgegeben werden.In a preferred embodiment, the heat accumulator could be at least partially surrounded by the container. As a result, the heat from the heat accumulator can be given off to the cleaning fluid in all directions.

Der Wärmespeicher könnte im Kontakt mit dem Behälter stehen. Beispielsweise kann der Wärmespeicher nur an einer Seite des Behälters anliegen. Vorteilhaft kann der Wärmespeicher leicht montiert und ausgewechselt werden. Vorzugsweise ist der Behälter isoliert.The heat accumulator could be in contact with the container. For example, the heat accumulator can only rest on one side of the container. The heat accumulator can advantageously be easily installed and replaced. Preferably the container is insulated.

Der Behälter könnte vom Reinigungsgerät abnehmbar sein. Durch diese konkrete Ausgestaltung kann der Behälter mit Reinigungsflüssigkeit befüllt und dann wieder an das Reinigungsgerät angekoppelt werden.The container could be removable from the cleaning device. As a result of this specific configuration, the container can be filled with cleaning fluid and then reconnected to the cleaning device.

Die Heizeinrichtung und/ oder der Wärmespeicher könnten vom Reinigungsgerät abnehmbar sein. Hierdurch kann der Wärmespeicher vom Reinigungsgerät getrennt thermisch aufgeladen werden.The heating device and / or the heat accumulator could be removable from the cleaning device. In this way, the heat accumulator can be thermally charged separately from the cleaning device.

Die Heizeinrichtung und/oder der Wärmespeicher könnten in den Behälter integriert sein. Durch diese konkrete Ausgestaltung kann die Heizeinrichtung und/oder der Wärmespeicher gemeinsam mit dem Behälter vom Reinigungsgerät entfernt werden.The heating device and / or the heat accumulator could be integrated into the container. With this specific configuration, the heating device and / or the heat accumulator can be removed from the cleaning device together with the container.

Sowohl die Heizeinrichtung als auch der Wärmespeicher könnten an eine externe Energiequelle angeschlossen werden. Nach einem Aufladevorgang kann der Behälter mit Reinigungsflüssigkeit befüllt werden. Vor diesem Hintergrund ist auch denkbar, dass der Behälter zunächst mit Reinigungsflüssigkeit befüllt und die Reinigungsflüssigkeit im Anschluss daran erhitzt wird. Der Behälter mit erhitzter Reinigungsflüssigkeit kann dann an das Reinigungsgerät angekoppelt werden. Die Reinigungsflüssigkeit wird dann durch die Heizeinrichtung und/ oder den Wärmespeicher unabhängig von einer externen Energiequelle weiter erhitzt oder in einem gewünschten Betriebstemperaturbereich gehalten.Both the heating device and the heat storage unit could be connected to an external energy source. After charging, the container can be filled with cleaning fluid. Against this background, it is also conceivable that the container is first filled with cleaning fluid and the cleaning fluid is then heated. The container with heated cleaning liquid can then be coupled to the cleaning device. The cleaning fluid is then further heated by the heating device and / or the heat storage device independently of an external energy source or is kept in a desired operating temperature range.

Das Reinigungsgerät könnte von einer Ladestation abtrennbar sein. Die Ladestation ermöglicht eine einfache Verbindung der Heizeinrichtung zu einer Energiequelle. Vor diesem Hintergrund ist denkbar, dass die Ladestation die Heizeinrichtung mit der Netzspannung eines Stromnetzes verbindet. Sobald die Heizeinrichtung und/ oder der Wärmespeicher und/ oder die Reinigungsflüssigkeit thermisch aufgeladen sind, kann das Reinigungsgerät von der Ladestation entnommen und kabellos mobil zur Reinigung verwendet werden. Im einfachsten Fall ist die Ladestation als trennbares Netzkabel ausgestaltet. Vor diesem Hintergrund ist denkbar, dass am Reinigungsgerät ein Adapter für das Netzkabel vorgesehen ist.The cleaning device could be detachable from a charging station. The charging station enables the heating device to be easily connected to an energy source. Against this background, it is conceivable that the charging station connects the heating device to the mains voltage of an electricity network. As soon as the heating device and / or the heat accumulator and / or the cleaning fluid are thermally charged, the cleaning device can be removed from the charging station and used wirelessly for cleaning. In the simplest case, the charging station is designed as a separable power cable. Against this background, it is conceivable that an adapter for the power cord is provided on the cleaning device.

Die Abgabeeinrichtung könnte mechanisch, pneumatisch, hydraulisch und/ oder elektrisch betreibbar sein. Vor diesem Hintergrund ist denkbar, Pumpen, CO2-Patronen oder Druckbehälter zu verwenden. Weiter ist denkbar, die Schwerkraft zu nutzen, um die Reinigungsflüssigkeit auf die zu reinigenden Flächen zu fördern. Es könnte Ultraschall zur Förderung der Reinigungsflüssigkeit genutzt werden. Darüber hinaus könnte Ultraschall genutzt werden, um die Reinigungsflüssigkeit fein zu zerstäuben oder in Tröpfchen zu dispergieren.The delivery device could be operated mechanically, pneumatically, hydraulically and / or electrically. Against this background, it is conceivable to use pumps, CO2 cartridges or pressure vessels. It is also conceivable to use gravity to convey the cleaning fluid onto the surfaces to be cleaned. Ultrasound could be used to convey the cleaning fluid. In addition, ultrasound could be used to finely atomize the cleaning liquid or to disperse it in droplets.

Die Abgabeeinrichtung könnte durch eine Betätigungseinrichtung bedient werden, die einen Griff umfasst. Der Griff wirkt vorzugsweise mit einem Gestänge zusammen, welches die Abgabeeinrichtung betätigt.The dispensing device could be operated by an actuating device comprising a handle. The handle preferably cooperates with a linkage which actuates the dispensing device.

Der Behälter zur Aufnahme der Reinigungsflüssigkeit könnte als thermisch isolierter Flüssigkeitstank ausgebildet sein. Hierdurch wird die Reinigungsflüssigkeit möglichst lange auf Betriebstemperatur gehalten.The container for receiving the cleaning liquid could be designed as a thermally insulated liquid tank. This keeps the cleaning fluid at operating temperature for as long as possible.

Das Reinigungsgerät könnte einen Rahmen aufweisen, wobei im Rahmen eine Öffnung vorgesehen ist, durch welche die Abgabeeinrichtung Reinigungsflüssigkeit auf den zu reinigenden Boden und/ oder die zu reinigende Fläche aufbringt. Durch den Rahmen kann ein Textil aufgespannt werden, um die Reinigungsflüssigkeit aufzunehmen oder zu verteilen.The cleaning device could have a frame, an opening being provided in the frame through which the dispensing device applies cleaning liquid to the floor to be cleaned and / or the surface to be cleaned. A textile can be stretched through the frame in order to absorb or distribute the cleaning fluid.

Das Reinigungsgerät könnte eine Anzeigeeinrichtung aufweisen, welche anzeigt, dass eine Betriebstemperatur der Reinigungsflüssigkeit erreicht ist. Hierdurch kann die bedienende Person leicht erkennen, dass das Reinigungsgerät einsatzbereit ist. Die Anzeigeeinrichtung könnte optische oder akustische Signale erzeugen.The cleaning device could have a display device which indicates that an operating temperature of the cleaning fluid has been reached. This allows the operator to easily see that the cleaning device is ready for use. The display device could generate optical or acoustic signals.

Die Anzeigeeinrichtung könnte als Pfeife ausgebildet sein. Eine Pfeife erzeugt nach Art eines Teekessels ein lautes leicht hörbares Signal.The display device could be designed as a whistle. A whistle produces a loud, easily audible signal in the manner of a tea kettle.

Die Pfeife könnte in der Nähe der Abgabeeinrichtung angeordnet sein. Hierdurch ist sicher gestellt, dass austretende Flüssigkeit oder Dampf den Benutzer nicht verletzt.The whistle could be arranged in the vicinity of the dispensing device. This ensures that escaping liquid or vapor does not injure the user.

Das Reinigungsgerät könnte einen Füllstandsanzeiger aufweisen, welcher die noch vorhandene Menge an Reinigungsflüssigkeit angibt. Hierdurch kann die bedienende Person leicht erkennen, ob das Reinigungsgerät einsatzbereit ist. Das Reinigungsgerät könnte ein Nacherhitzerelement aufweisen, welches der Heizeinrichtung oder der Abgabeeinrichtung zugeordnet ist, um die Reinigungsflüssigkeit zu verdampfen. Hierdurch kann die Reinigungsflüssigkeit im Flüssigkeitstank auf eine erste Temperatur verbracht werden und erst kurz vor Austritt aus der Abgabeeinrichtung auf die Endtemperatur verbracht und verdampft werden. So kann Energie gespart werden. Als Nacherhitzerelement kann beispielsweise ein Durchlauferhitzer verwendet werden.The cleaning device could have a level indicator which indicates the amount of cleaning liquid still present. This allows the operator to easily see whether the cleaning device is ready for use. The cleaning device could have a reheater element which is assigned to the heating device or the dispensing device in order to evaporate the cleaning liquid. As a result, the cleaning liquid in the liquid tank can be brought to a first temperature and only brought to the final temperature and evaporated shortly before it leaves the dispensing device. This saves energy. A flow heater, for example, can be used as the reheater element.

Das Reinigungsgerät könnte eine Dosiereinrichtung aufweisen, welche der Reinigungsflüssigkeit einen Stoff zugibt. Durch diese Maßnahme können temperaturempfindliche Reinigungs- oder Desinfektionsstoffe der Reinigungsflüssigkeit erst kurz vor deren Austritt aus der Abgabeeinrichtung beigemengt werden. Die Dosiereinrichtung ist bevorzugt zwischen Abgabeeinrichtung und Flüssigkeitstank, aber stets in Fließrichtung nach dem Flüssigkeitstank positioniert.The cleaning device could have a metering device which adds a substance to the cleaning liquid. As a result of this measure, temperature-sensitive cleaning or disinfecting substances can only be added to the cleaning liquid shortly before it emerges from the dispensing device. The metering device is preferably positioned between the dispensing device and the liquid tank, but always in the direction of flow after the liquid tank.

Das Reinigungsgerät ist vorzugsweise als Wischmopp ausgestaltet. Ein Wischmopp kann mit Schwämmen, Textilien und/oder Düsen ausgestattet sein, welche die Reinigungsflüssigkeit aus dem Behälter dem Boden und/oder der zu reinigenden Fläche zuführen.The cleaning device is preferably designed as a mop. A mop can be equipped with sponges, textiles and / or nozzles which feed the cleaning liquid from the container to the floor and / or the surface to be cleaned.

Das Reinigungsgerät könnte ein autonomer Reinigungsroboter sein. Ein solcher Roboter kann selbständig auf zu reinigenden Flächen verfahren und diese reinigen.The cleaning device could be an autonomous cleaning robot. Such a robot can move independently on surfaces to be cleaned and clean them.

Die Reinigungsflüssigkeit des Reinigungsroboters könnte an einer Andockstation erhitzt werden. Des Weiteren kann an der Andockstation ein Akkumulator des Reinigungsroboters aufgeladen werden, welcher die Reinigungsflüssigkeit während der Fahrt des Reinigungsroboters temperiert oder verdampft. Vorzugsweise erzeugt der Reinigungsroboter Dampf, während er fährt. Sobald der Akkumulator leer ist, kehrt der Reinigungsroboter an die Andockstation zurück, um diesen aufzuladen. Vor diesem Hintergrund ist auch denkbar, dass der Reinigungsroboter an der Andockstation heiße Reinigungsflüssigkeit aus einem stationären Reservoir aufnimmt.The cleaning fluid of the cleaning robot could be heated at a docking station. Furthermore, an accumulator of the cleaning robot can be charged at the docking station, which accumulator controls the temperature of the cleaning liquid while the cleaning robot is in motion or evaporated. Preferably, the cleaning robot generates steam while it is driving. As soon as the battery is empty, the cleaning robot returns to the docking station to charge it. Against this background, it is also conceivable that the cleaning robot at the docking station takes up hot cleaning liquid from a stationary reservoir.

Ein Tuch zur Verwendung an einem Reinigungsgerät der hier beschriebenen Art könnte einen flächigen Grundkörper umfassen, in welchem ein Loch ausgebildet ist. Das Tuch kann auf einen Rahmen aufgespannt werden, wobei im Rahmen eine Öffnung vorgesehen ist, durch welche die Abgabeeinrichtung Reinigungsflüssigkeit auf den zu reinigenden Boden und/ oder die zu reinigende Fläche aufbringt. Da auch im Tuch ein Loch vorgesehen ist, welches mit der Öffnung im Rahmen weitgehend fluchtet, kann die Reinigungsflüssigkeit auf den zu reinigenden Boden und/ oder die zu reinigende Fläche unmittelbar aufgebracht und mit dem Tuch verteilt werden. Ferner kann mit dem Tuch eine Abrasivwirkung auf hartnäckigen Schmutz ausgeübt werden.A cloth for use on a cleaning device of the type described here could comprise a flat base body in which a hole is formed. The cloth can be stretched onto a frame, an opening being provided in the frame through which the dispensing device applies cleaning liquid to the floor to be cleaned and / or the surface to be cleaned. Since a hole is also provided in the cloth which is largely aligned with the opening in the frame, the cleaning liquid can be applied directly to the floor to be cleaned and / or the surface to be cleaned and distributed with the cloth. Furthermore, the cloth can be used to exert an abrasive effect on stubborn dirt.

Desweiteren könnte das Loch in dem textilen Grundkörper mit einer flexiblen, netzartigen Struktur abgedeckt sein. Dadurch kann Reinigungsflüssigkeit auf den zu reinigenden Boden aufgetragen werden und gleichzeitig kann durch die netzartige Struktur eine abrasive Reinigungswirkung ausgeübt werden.Furthermore, the hole in the textile base body could be covered with a flexible, net-like structure. As a result, cleaning liquid can be applied to the floor to be cleaned and, at the same time, an abrasive cleaning effect can be exerted through the net-like structure.

Das Tuch kann auch ohne Loch gefertigt sein.The cloth can also be made without a hole.

Kurzbeschreibung der ZeichnungBrief description of the drawing

In der Zeichnung zeigen

Fig. 1
eine schematische Ansicht eines Behälters, dem ein Wärmespeicher zugeordnet ist, welcher durch eine Heizspirale temperierbar ist,
Fig. 2
ein weiteres Ausführungsbeispiel eines Reinigungsgeräts, bei welchem der Wärmespeicher Phasenwechselmaterialien (PCM) umfasst,
Fig. 3
ein weiteres Ausführungsbeispiel eines Reinigungsgeräts, bei welchem eine Batterie in den Behälter integriert ist, wobei der Behälter gemeinsam mit der Batterie vom Reinigungsgerät abkoppelbar ist,
Fig. 4
eine Schnittzeichnung eines Reinigungsgeräts, bei welchem in einem Flüssigkeitstank eine Heizeinrichtung in Form eines Tauchsieders mit einer Heizspirale aufgenommen ist,
Fig. 5
eine weitere Schnittansicht des Reinigungsgeräts gemäß Fig. 4, wobei der Griff der Betätigungseinrichtung für die Abgabeeinrichtung nach oben gezogen ist,
Fig. 6
eine Vorderansicht des Reinigungsgeräts gemäß Fig. 4 und 5, wobei dargestellt ist, dass im Rahmen eine Öffnung ausgebildet ist, und
Fig. 7
eine Ansicht eines Tuchs mit einem im Wesentlichen dreieckförmigen Loch, wobei das Tuch ausgebildet ist, um vom Rahmen gemäß Fig. 6 getragen zu werden.
Show in the drawing
Fig. 1
a schematic view of a container to which a heat accumulator is assigned, which can be tempered by a heating coil,
Fig. 2
Another embodiment of a cleaning device in which the heat storage comprises phase change materials (PCM),
Fig. 3
Another embodiment of a cleaning device in which a battery is integrated into the container, the container and the battery can be decoupled from the cleaning device,
Fig. 4
a sectional drawing of a cleaning device in which a heating device in the form of an immersion heater with a heating coil is accommodated in a liquid tank,
Fig. 5
a further sectional view of the cleaning device according to Fig. 4 with the handle of the actuator for the dispenser pulled up,
Fig. 6
a front view of the cleaning device according to Fig. 4 and 5 , wherein it is shown that an opening is formed in the frame, and
Fig. 7
FIG. 8 is a view of a cloth with a substantially triangular-shaped hole, the cloth being designed to be removed from the frame according to FIG Fig. 6 to be worn.

Ausführung der ErfindungImplementation of the invention

Fig. 1 zeigt einen Behälter 1 zur Aufnahme einer Reinigungsflüssigkeit 2, welcher einem Reinigungsgerät zur Reinigung von Böden und/oder Flächen zuordenbar ist. Fig. 1 shows a container 1 for receiving a cleaning liquid 2, which can be assigned to a cleaning device for cleaning floors and / or surfaces.

Der Behälter weist eine Abgabeeinrichtung 3 zur Abgabe der Reinigungsflüssigkeit auf einen Boden und/oder eine zu reinigende Fläche auf. Die Abgabeeinrichtung 3 ist als Sprühdüse ausgestaltet.The container has a dispensing device 3 for dispensing the cleaning liquid onto a floor and / or a surface to be cleaned. The dispensing device 3 is designed as a spray nozzle.

Der Behälter 1 weist des Weiteren eine Heizeinrichtung 4 zur Erwärmung und/oder Temperierung der Reinigungsflüssigkeit 2 auf.The container 1 also has a heating device 4 for heating and / or temperature control of the cleaning liquid 2.

Die Heizeinrichtung 4 umfasst einen ersten Heizspiralenabschnitt 5 zur Erhitzung der Reinigungsflüssigkeit 2, welche sich innerhalb eines Tanks 6 befindet. Die Heizeinrichtung 4 weist des Weiteren einen zweiten Heizspiralenabschnitt 7 auf, welcher innerhalb eines Wärmespeichers 8 aufgenommen ist.The heating device 4 comprises a first heating coil section 5 for heating the cleaning liquid 2, which is located inside a tank 6. The heating device 4 also has a second heating coil section 7, which is received within a heat accumulator 8.

Der Wärmespeicher 8 ist innerhalb des Tanks 6 aufgenommen und kann so Wärme rundum an die Reinigungsflüssigkeit 2 abgeben. Vorzugsweise ist der Tank 6 gegen die Atmosphäre oder Umgebung thermisch isoliert.The heat accumulator 8 is accommodated within the tank 6 and can thus give off heat all around to the cleaning liquid 2. The tank 6 is preferably thermally insulated from the atmosphere or the surroundings.

Der Behälter 1 weist eine Einrichtung 9 zur Befüllung des Behälters 1 auf. Der Behälter 1 weist des Weiteren eine Einrichtung 10 zur Ankopplung des Behälters 1 an ein Reinigungsgerät auf.The container 1 has a device 9 for filling the container 1. The container 1 also has a device 10 for coupling the container 1 to a cleaning device.

Fig. 2 zeigt ein Reinigungsgerät zur Reinigung von Böden und/oder Flächen, umfassend einen Behälter 1' zur Aufnahme einer Reinigungsflüssigkeit 2, eine Abgabeeinrichtung 3' zur Abgabe der Reinigungsflüssigkeit auf einen Boden und/oder eine zu reinigende Fläche und eine Heizeinrichtung 4' zur Erwärmung und/oder Temperierung der Reinigungsflüssigkeit 2. Fig. 2 shows a cleaning device for cleaning floors and / or surfaces, comprising a container 1 'for receiving a cleaning liquid 2, a dispensing device 3' for dispensing the cleaning liquid onto a floor and / or a surface to be cleaned and a heating device 4 ′ for heating and / or tempering the cleaning liquid 2.

Der Heizeinrichtung 4' ist ein Wärmespeicher 5' zugeordnet, welcher die Reinigungsflüssigkeit 2 allein oder gemeinsam mit der Heizeinrichtung 4' auf einer vorgebbaren Betriebstemperatur hält.The heating device 4 'is assigned a heat accumulator 5' which, alone or together with the heating device 4 ', keeps the cleaning liquid 2 at a predeterminable operating temperature.

Die Heizeinrichtung 4' sowie der Wärmespeicher 5' umfassen Phasenwechselmaterialien (PCM).The heating device 4 'and the heat storage device 5' comprise phase change materials (PCM).

Die Abgabeeinrichtung 3' ist als Pumpe ausgestaltet. Das Reinigungsgerät weist einen abnehmbaren Stiel oder Griff 11 auf. Durch eine Kraftübertragungseinrichtung 12 kann Reinigungsflüssigkeit 2 aus dem Behälter 1' gepumpt werden.The delivery device 3 'is designed as a pump. The cleaning device has a removable handle or handle 11. Cleaning fluid 2 can be pumped out of the container 1 'through a power transmission device 12.

Fig. 3 zeigt ein weiteres Ausführungsbeispiel eines Reinigungsgeräts zur Reinigung von Böden und/oder Flächen. Das Reinigungsgerät umfasst einen Behälter 1" zur Aufnahme einer Reinigungsflüssigkeit 2, eine Abgabeeinrichtung 3" zur Abgabe der Reinigungsflüssigkeit auf einen Boden und/oder eine zu reinigende Fläche und eine Heizeinrichtung 4" zur Erwärmung und/oder Temperierung der Reinigungsflüssigkeit 2. Fig. 3 shows a further embodiment of a cleaning device for cleaning floors and / or surfaces. The cleaning device comprises a container 1 ″ for receiving a cleaning liquid 2, a dispensing device 3 ″ for dispensing the cleaning liquid onto a floor and / or a surface to be cleaned, and a heating device 4 ″ for heating and / or tempering the cleaning liquid 2.

Der Heizeinrichtung 4" kann ein Wärmespeicher 5" zugeordnet sein, welcher die Reinigungsflüssigkeit 2 allein oder gemeinsam mit der Heizeinrichtung auf einer vorgebbaren Betriebstemperatur hält.The heating device 4 ″ can be assigned a heat storage device 5 ″ which, alone or together with the heating device, keeps the cleaning liquid 2 at a predeterminable operating temperature.

Die Abgabeeinrichtung 3" ist als Pumpe ausgestaltet. Die Pumpe ist mit einer Kraftübertragungseinrichtung 12' verbunden.The delivery device 3 "is designed as a pump. The pump is connected to a power transmission device 12 '.

Die Heizeinrichtung 4" erhitzt die Reinigungsflüssigkeit 2 auf eine Betriebstemperatur, die größer als 10 °C ist, jedoch unterhalb von 100 °C liegt. Dies gilt auch in Bezug auf die Figuren 1 und 2.The heating device 4 ″ heats the cleaning liquid 2 to an operating temperature which is greater than 10 ° C., but below 100 ° C. This also applies with regard to the Figures 1 and 2 .

Die Heizeinrichtung 4" und/oder der Wärmespeicher 5" sind kabellos betreibbar. Die Heizeinrichtung 4" ist durch eine Batterie 13 betreibbar.The heating device 4 ″ and / or the heat accumulator 5 ″ can be operated wirelessly. The heating device 4 ″ can be operated by a battery 13.

Der Wärmespeicher 5" kann Phasenwechselmaterialien umfassen, nämlich so genannte "phase change materials" (PCM). Der Behälter 1" ist vom Reinigungsgerät abnehmbar. Die Heizeinrichtung 4" und/oder Wärmespeicher 5" sind in den Behälter 1" integriert.The heat accumulator 5 ″ can comprise phase change materials, namely so-called “phase change materials” (PCM). The container 1 ″ can be removed from the cleaning device. The heating device 4 ″ and / or heat storage 5 ″ are integrated into the container 1 ″.

Das Reinigungsgerät ist als Wischmopp ausgestaltet.The cleaning device is designed as a mop.

Fig. 3 zeigt insoweit ein Reinigungsgerät, welches einen abnehmbaren Behälter 1" zeigt, in welchem eine Batterie 13 aufgenommen ist. Hierdurch ist ein kabelloser Betrieb möglich. Fig. 3 shows in this respect a cleaning device which shows a removable container 1 ″ in which a battery 13 is accommodated. This enables cordless operation.

Die Fig. 4 bis 6 zeigen ein weiteres Reinigungsgerät zur Reinigung von Böden und/ oder Flächen.the Figures 4 to 6 show another cleaning device for cleaning floors and / or surfaces.

Dieses umfasst einen Behälter 1‴ zur Aufnahme einer Reinigungsflüssigkeit 2, eine Abgabeeinrichtung 3‴ zur Abgabe der Reinigungsflüssigkeit 2 auf einen Boden und/ oder eine zu reinigende Fläche und eine Heizeinrichtung 4‴ zur Erwärmung und/ oder Temperierung und/ oder Verdampfung der Reinigungsflüssigkeit 2. Das Reinigungsgerät ist kabellos betreibbar.This comprises a container 1 for receiving a cleaning liquid 2, a dispensing device 3 ‴ for dispensing the cleaning liquid 2 onto a floor and / or a surface to be cleaned and a heating device 4 for heating and / or temperature control and / or evaporation of the cleaning liquid 2. The cleaning device can be operated wirelessly.

Ein Netzkabel 21 kann über einen Adapter 22 mit dem Reinigungsgerät verbunden und zum Betrieb wieder getrennt werden.A power cord 21 can be connected to the cleaning device via an adapter 22 and disconnected again for operation.

Der Behälter 1‴ zur Aufnahme der Reinigungsflüssigkeit 2 ist als thermisch isolierter Flüssigkeitstank ausgebildet. In diesen ist die Reinigungsflüssigkeit 2 über einen Befüllstutzen 1a‴ einfüllbar.The container 1 ‴ for receiving the cleaning liquid 2 is designed as a thermally insulated liquid tank. The cleaning liquid 2 can be filled into these via a filler neck 1a ‴.

Fig. 6 zeigt, dass das Reinigungsgerät einen Rahmen 14‴ aufweist, wobei im Rahmen 14‴ eine Öffnung 15‴ vorgesehen ist, durch welche die Abgabeeinrichtung 3‴ Reinigungsflüssigkeit 2 auf den zu reinigenden Boden und/ oder die zu reinigende Fläche aufbringt. Fig. 6 shows that the cleaning device has a frame 14 ‴, an opening 15 ‴ being provided in the frame 14 ‴ through which the dispensing device 3 ‴ applies cleaning liquid 2 to the floor to be cleaned and / or the surface to be cleaned.

Die Fig. 4 und 5 zeigen, dass eine Anzeigeeinrichtung 16‴ vorgesehen ist, welche anzeigt, dass eine Betriebstemperatur der Reinigungsflüssigkeit 2 erreicht ist. Die Anzeigeeinrichtung 16‴ ist als Pfeife ausgebildet. Die Pfeife ist zum Schutz der bedienenden Personen in der Nähe der Abgabeeinrichtung 3‴ angeordnet.the Fig. 4 and 5 show that a display device 16 ‴ is provided which indicates that an operating temperature of the cleaning liquid 2 has been reached. The display device 16 ‴ is designed as a whistle. The whistle is arranged in the vicinity of the dispensing device 3 ‴ to protect the operating people.

Des Weiteren ist ein Füllstandsanzeiger 17‴ vorgesehen, welcher die noch vorhandene Menge an Reinigungsflüssigkeit 2 angibt. Der Füllstandsanzeiger 17‴ umfasst einen Schwimmer und ein Fähnchen, welches von außen erkennbar ist.Furthermore, a level indicator 17 ‴ is provided, which indicates the amount of cleaning liquid 2 that is still present. The level indicator 17 ‴ comprises a float and a flag, which can be seen from the outside.

Weiter kann ein Nacherhitzerelement 23 vorgesehen sein, welches der Heizeinrichtung 4‴ oder der Abgabeeinrichtung 3‴ zugeordnet ist, um die Reinigungsflüssigkeit 2 zu verdampfen. Schließlich kann eine Dosiereinrichtung 24 vorgesehen sein, welche der Reinigungsflüssigkeit 2 einen Stoff zugibt. Dies ist in Fig. 5 dargestellt.Furthermore, a reheater element 23 can be provided which is assigned to the heating device 4 ‴ or the dispensing device 3 ‴ in order to evaporate the cleaning liquid 2. Finally, a metering device 24 can be provided which adds a substance to the cleaning liquid 2. This is in Fig. 5 shown.

Die Abgabeeinrichtung 3‴ wird durch eine Betätigungseinrichtung bedient, die einen Griff 3a‴umfasst. Der Griff 3a‴ wirkt vorzugsweise mit einem Gestänge zusammen, welches die Abgabeeinrichtung 3‴ betätigt. In Fig. 5 ist der Griff 3a‴ nach oben gezogen.The dispensing device 3 ‴ is operated by an actuating device which comprises a handle 3a ‴. The handle 3a ‴ preferably cooperates with a linkage which actuates the dispensing device 3 ‴. In Fig. 5 the handle 3a ‴ is pulled up.

Fig. 7 zeigt ein Tuch 18 zur Verwendung an einem Reinigungsgerät gemäß Fig. 4 bis 6. Es umfasst einen flächigen Grundkörper 19, in welchem ein Loch 20 ausgebildet ist. Durch dieses Loch 20 kann die Reinigungsflüssigkeit 2 auf einen Boden und/ oder eine zu reinigende Fläche aufgebracht werden. Das Tuch 18 weist eine äußere Umrandungslinie auf, welche im Wesentlichen ein Dreieck beschreibt. Das Loch 20 ist ebenfalls im Wesentlichen dreieckförmig. Fig. 7 FIG. 14 shows a cloth 18 for use on a cleaning device according to FIG Figures 4 to 6 . It comprises a flat base body 19 in which a hole 20 is formed. The cleaning liquid 2 can be applied through this hole 20 to a floor and / or a surface to be cleaned. The cloth 18 has an outer border line which essentially describes a triangle. The hole 20 is also substantially triangular.

Als Reinigungsflüssigkeit 2 kann Wasser, Alkohol, Öl, Tensid und/ oder eine Mischung aus den vorgenannten Stoffen verwendet werden.Water, alcohol, oil, surfactant and / or a mixture of the aforementioned substances can be used as cleaning liquid 2.

Claims (2)

  1. Cleaning apparatus for cleaning floors and/or surfaces, comprising a container (1, 1′, 1", 1‴) for receiving a cleaning fluid (2), a discharge device (3, 3', 3", 3‴) for discharging the cleaning fluid (2) onto a floor and/or a surface to be cleaned, and a heating device (4, 4′, 4", 4‴) for the heating and/or temperature control and/or vaporization of the cleaning fluid (2),
    wherein the cleaning apparatus can be operated cordlessly in that the energy of an external energy source can be supplied to the heating device (4, 4′, 4", 4‴) during the charging period, wherein the cleaning apparatus can be uncoupled from the external energy source during the cleaning operation, and wherein the discharge device (3, 3′, 3", 3‴) is embodied in a heatable manner,
    characterized in that the discharge device (3, 3′, 3", 3‴) is thermally insulated from the surroundings.
  2. Cleaning apparatus according to Claim 1, characterized in that a reheater element (23) is assigned to the heating device (4‴) or to the discharge device (3‴) in order to bring the cleaning fluid (2) from a first, relatively lower temperature to a relatively higher final temperature and to vaporize it.
EP16152396.4A 2012-12-13 2013-09-26 Apparatus for cleaning with a liquid container Active EP3040009B1 (en)

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DE102012024356 2012-12-13
DE102013014024 2013-08-26
PCT/EP2013/002884 WO2014090350A2 (en) 2012-12-13 2013-09-26 Cleaning apparatus with a fluid container
EP13786159.7A EP2931106B1 (en) 2012-12-13 2013-09-26 Cleaning apparatus with a fluid container

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EP13786159.7A Division-Into EP2931106B1 (en) 2012-12-13 2013-09-26 Cleaning apparatus with a fluid container

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AU2013357890B2 (en) 2017-01-19
PL2931106T3 (en) 2017-09-29
ES2899898T3 (en) 2022-03-15
EP3040009A3 (en) 2016-09-07
PT2931106T (en) 2017-06-05
US9962057B2 (en) 2018-05-08
AU2013357890A1 (en) 2015-06-04
PL3040009T3 (en) 2022-03-07
US20150305588A1 (en) 2015-10-29
SI2931106T1 (en) 2017-08-31
CA2893297C (en) 2019-02-05
CN104853663A (en) 2015-08-19
EP2931106A2 (en) 2015-10-21
WO2014090350A3 (en) 2014-07-31
EP3040009A2 (en) 2016-07-06
ES2626495T3 (en) 2017-07-25
WO2014090350A2 (en) 2014-06-19
CA2893297A1 (en) 2014-06-19
EP2931106B1 (en) 2017-04-12

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