EP3952712A1 - Machine de nettoyage de surfaces à mode de suralimentation et procédé pour faire fonctionner une machine de nettoyage de surfaces - Google Patents

Machine de nettoyage de surfaces à mode de suralimentation et procédé pour faire fonctionner une machine de nettoyage de surfaces

Info

Publication number
EP3952712A1
EP3952712A1 EP19718320.5A EP19718320A EP3952712A1 EP 3952712 A1 EP3952712 A1 EP 3952712A1 EP 19718320 A EP19718320 A EP 19718320A EP 3952712 A1 EP3952712 A1 EP 3952712A1
Authority
EP
European Patent Office
Prior art keywords
cleaning
roller unit
cleaning roller
speed
cleaning machine
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.)
Pending
Application number
EP19718320.5A
Other languages
German (de)
English (en)
Inventor
Fabian MOSER
Benjamin KUTZ
Michael Scharmacher
Diana Wolf
Karsten Eichstedt
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 EP3952712A1 publication Critical patent/EP3952712A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating 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
    • A47L11/40—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
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning 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
    • A47L11/40—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
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits

Definitions

  • the invention relates to a surface cleaning machine, comprising a cleaning head, at least one cleaning roller unit which is rotatably arranged on the cleaning head, and at least one drive motor for the rotating drive of the at least one cleaning roller unit.
  • the invention also relates to a method for operating a surface cleaning machine, in which at least one cleaning roller unit is arranged on a cleaning head.
  • a floor cleaning machine with a handle is known from WO 2005/087075 A1, which is pivotably arranged on a base.
  • a hard floor cleaning device is known from US Pat. No. 3,789,449.
  • CN 107007215 A discloses a floor cleaning robot.
  • the invention is based on the object of providing a surface cleaning machine of the type mentioned at the beginning, which can be operated in an optimized manner for an operator.
  • a speed of the at least one cleaning roller unit can be varied and a speed setting device is provided for the at least one cleaning roller unit, and that a boost mode is provided in which a speed the at least one cleaning roller unit is increased compared to a standard speed of the at least one cleaning roller unit and / or that a sweeping mode is provided in which the speed of the at least one cleaning roller unit is reduced compared to the standard speed of the at least one cleaning roller unit . If the speed in the boost mode is increased compared to the standard speed, then there is an improved cleaning effect due to higher friction on a surface to be cleaned. If an increased degree of contamination is detected on a surface to be cleaned (by an operator of the surface cleaning machine or automatically via a
  • the at least one cleaning roller unit can be operated at the standard speed. This gives good cleaning results for "normal" degrees of soiling.
  • a surface cleaning machine with battery operation can be operated for longer, since the boost mode only needs to be used when a corresponding need is recognized. For example, by operating the surface cleaning machine at the standard speed, the wear of the at least one cleaning roller unit is kept low.
  • the speed of the at least one cleaning roller unit is lower than the standard speed. At a reduced speed, the at least one cleaning roller unit can better pick up coarse dirt.
  • an improved cleaning result with regard to coarse dirt can be achieved via the sweeping mode.
  • the at least one cleaning roller unit When the surface cleaning machine is started up, the at least one cleaning roller unit is operated at the standard speed; without operator intervention on the surface cleaning machine and / or without sensor detection of a defined degree of soiling, the at least one cleaning roller unit rotates at the standard speed; the standard speed is adjustable; the standard speed depends on a feed rate of
  • the standard speed can in particular be set (automatically, in particular by means of sensor results and / or by an operator) in order to enable adaptation to different surface textures and, in particular, ground properties.
  • the standard speed for a water-sensitive floor surface such as a wooden floor is lower than for a less water-sensitive surface such as a stone floor.
  • a standard speed of 450 revolutions per minute is provided for cleaning a water-sensitive floor, and a standard speed of 500 revolutions per minute for a less water-sensitive type of soil such as a stone floor.
  • boost mode the speed is compared to the standard speed by a factor of at least 1.05, in particular of at least 1.1, in particular of at least 1.2, in particular of at least 1.3, in particular special of at least 1.4 , in particular increased by at least 1.5, and in particular by at least 2;
  • the boost mode and / or the sweeping mode has one or more defined speeds; After activating the boost mode and / or the sweeping mode, it ends after a certain period of time (automatically), or it ends when there is no more operator intervention to activate the boost mode and / or the sweeping mode, or if there is no sensor detection a defined degree of pollution is present.
  • the lower speed in sweeping mode means that it is easier to pick up coarse dirt.
  • the boost mode or sweeping mode represents a type of exception in the operation of the surface cleaning machine and a special event such as operator intervention and / or sensor detection must be present. It is then advantageous if the boost mode or sweeping mode ends when this particular event is no longer present or at least ends automatically after a predetermined period of time. It has proven to be advantageous if the standard speed is in the range between 400 revolutions per minute and 700 revolutions per minute and in particular is around 500 revolutions per minute.
  • the surface cleaning machine for the at least one cleaning roller unit has a standard speed of 450 revolutions per minute for a water-sensitive floor such as a wooden floor, and a standard speed of approximately 500 revolutions per minute for a less water-sensitive floor like a stone floor.
  • This speed can be set directly by an operator, for example. It can also be set "indirectly", for example via a selected amount of cleaning fluid supplied to the at least one cleaning roller unit and / or to the surface to be cleaned. If, for example, a lower amount of cleaning liquid is set, then a lower standard speed is set accordingly.
  • hard floors can be cleaned with good cleaning results, in particular with at least one dampened cleaning roller unit.
  • wooden floors and stone floors can be cleaned accordingly.
  • At least one of the following is provided:
  • the at least one drive motor has a variable speed and the speed setting device controls the at least one
  • the speed setting device controls a gear device via which a torque of the at least one drive motor is transmitted to the at least one cleaning roller unit, or is part of the gear device.
  • a speed setting device is coupled to a drive motor
  • a speed of the drive motor can be set by varying a motor voltage.
  • the at least one drive motor via a transmission device to the
  • the transmission device can have at least one reduction stage, among other things. By intervening in this reduction stage, the speed of the at least one cleaning roller unit can be made variable accordingly. For example, a reduction stage is switched off to increase the speed in boost mode. To reduce the speed in sweeping mode, a reduction stage is switched on, for example.
  • a sensor device which checks a surface to be cleaned for a certain degree of soiling and which is coupled to the speed setting device in a signal-effective manner.
  • the boost mode or sweeping mode can be activated automatically when a defined degree of soiling is detected. If, for example, the sensor device detects an increased proportion of coarse dirt, the sweeping mode is activated. In one embodiment, the sensor device can distinguish whether there is an increased proportion of coarse dirt (which makes it necessary to activate the sweeping mode) or whether there is a degree of soiling that makes it necessary to activate the boost mode.
  • a control device for the surface cleaning machine is provided, which is coupled to the speed setting device for signaling purposes, with at least one control element for setting the speed of the at least one cleaning roller unit and in particular for activating the boost mode and / or the Sweeping mode. If an operator of the surface cleaning machine detects an increased degree of soiling during a cleaning process, then he can activate the boost mode accordingly by accessing the operating device, or activate the sweeping mode (if the degree of dirt is increased by coarse dirt).
  • each control element is one for speed setting
  • a surface cleaning machine can thereby be provided which can be operated in a simple manner for an operator and which delivers optimized cleaning results.
  • the at least one operating element for speed setting is designed so that it is or becomes inactive without operator intervention, and that the boost mode and / or sweeping mode is only activated when at least one operating element is activated.
  • the boost mode and / or sweeping mode is only activated when at least one operating element is activated.
  • a moistening device via which the at least one cleaning roller unit and / or a surface to be cleaned is exposed to cleaning fluid.
  • the cleaning liquid (which is in particular fresh water or fresh water with an added chemical cleaning agent) can be used to loosen dirt on a surface to be cleaned.
  • Corresponding cleaning liquid can be applied directly to the surface to be cleaned, and / or the at least one cleaning roller unit is moistened.
  • the humidifying device comprises a tank device for cleaning liquid; the tank device for cleaning fluid is assigned a sensor device by means of which a filling level of the tank device for cleaning fluid can be determined; the tank device for cleaning liquid is followed by a valve device; When the at least one drive motor is active, the valve device enables the delivery of cleaning fluid to the at least one cleaning roller unit and / or surface to be cleaned and, when at least one drive motor is inactive, blocks the delivery of cleaning fluid to the at least one cleaning roller and / or to the one to be cleaned Surface; the conveyance of cleaning liquid from the tank device for cleaning liquid to the at least one cleaning roller unit and / or to the surface to be cleaned is driven by gravity.
  • the cleaning fluid can be carried along with the surface cleaning machine via the tank device.
  • the sensor device which is assigned to the tank device for cleaning liquid, can recognize whether the tank facility for cleaning liquid is empty.
  • the valve device which is arranged downstream of the tank device for cleaning liquid, can ensure that cleaning liquid only acts on the at least one cleaning roller unit and / or the surface to be cleaned when the surface cleaning machine is in operation.
  • the cleaning fluid can be released in an automated manner when the surface cleaning machine is switched on.
  • Cleaning fluid is driven by gravity to the at least one cleaning roller unit and / or to the surface to be cleaned, then the result is a simple, compact structure. In particular, there is then no need to provide a pump for conveying cleaning fluid.
  • an inflow amount of cleaning liquid to the at least one cleaning roller unit and / or to the surface to be cleaned is variable and a feed amount setting device is provided.
  • the cleaning liquid supplied can be adapted to a type of surface (type of floor), for example.
  • a type of floor for example.
  • it can be set so that less cleaning fluid is used for a water-sensitive floor such as a wooden floor than for a stone floor, for example.
  • the feed quantity setting device acts on an active organ of the humidifying device (such as a pump) or is part of such an active organ, and / or the feed quantity setting device acts on a passive organ of the humidifying device (such as a valve device) or is Part of such a passive organ of the humidifier.
  • the feed quantity can be controlled or adjusted in a simple manner, which is delivered to the at least one cleaning roller unit and / or the surface to be cleaned.
  • a feed amount over the Feed quantity setting device is set and / or that a standard speed of the at least one cleaning roller unit is automatically set via a set feed quantity.
  • a reduced standard speed can be achieved automatically for a water-sensitive surface compared to a less water-sensitive surface.
  • the primary setting can be the feed rate or the standard speed. If the primary variable is the feed rate, then a specific standard speed for the set feed rate follows. If the setting variable is the standard speed, then the associated feed quantity is automatically obtained from the set standard speed. This makes it easy to use.
  • the feed quantity setting device is coupled to a valve device which is arranged downstream of a tank device for cleaning liquid.
  • the valve device has in particular a special locking function and a control function for setting the
  • the feed quantity setting device is coupled in a signal-effective manner to a sensor device, in particular for detecting a type of surface, and / or is coupled to an operating device.
  • An operator can use the operating device to explicitly set which feed quantity he wishes for the surface to be cleaned.
  • a sensor device can be used, for example, to identify a soil condition (for example wooden floor or stone floor) and the corresponding detection result can be used for the automated setting of the feed quantity by means of the feed quantity setting device.
  • the operating device then has at least one operating element for setting the feed quantity.
  • An operator can then set the appropriate feed quantity depending on the type of surface to be cleaned.
  • a tank device for dirty fluid is provided to which a probe device for determining a filling level of dirty fluid in the tank device for dirty fluid is assigned.
  • the dirty fluid is collected via the tank device for dirty fluid and in particular "removed" from the at least one cleaning roller unit.
  • suction can take place in order to take up dirty fluid in the tank device for dirty fluid, and / or by a corresponding arrangement of a squeegee, dirty fluid can be thrown from the at least one cleaning roller unit directly into a tank device for dirty fluid.
  • the probe device can be used to detect when a certain degree of filling of the tank device for dirty fluid has been reached. As a result, it can be shown to an operator that the tank device for dirty fluid must be emptied. In this way, it can also be prevented, for example, that the surface cleaning machine is operated with an overfilled tank device for dirty fluid and that liquid can collect on the surface to be cleaned.
  • the operating device comprises at least one operating element for activating the boost mode; the operating device comprises at least one operating element for activating the sweeping mode; the operating device comprises at least one operating element for setting a supply amount of cleaning fluid to the at least one cleaning roller unit and / or a surface to be cleaned; the operating device comprises an on-off switch; the operating device comprises a display device for displaying and in particular a symbolic display of a set supply quantity of cleaning liquid; the operating device comprises a display device for a filling level of a tank device for cleaning liquid; the operating device comprises a display device for displaying a filling level of a tank device for dirty fluid; the operating device comprises a display device for the status of a battery device.
  • the surface cleaning machine can be operated in a simple and ergonomic manner for an operator via the operating device.
  • the essential information about the operation of the surface cleaning machine is also displayed on it.
  • the operating device is arranged on a handle, and / or that the operating device is arranged on the cleaning head, and / or that the operating device is arranged on a holding rod device which is connected to the cleaning head, and / or that the operating device is implemented by a remote control for the surface cleaning machine.
  • the result is optimized usability or displayability of relevant information.
  • the surface cleaning machine is designed as a self-driving and self-steering device (as a cleaning robot).
  • the surface cleaning machine is designed as a hand-held device, with a holding rod device in particular being connected to the cleaning head.
  • the surface cleaning machine is for example designed as a floor cleaning machine, wherein an operator can operate the surface cleaning machine standing; the operator stands on the surface to be cleaned. The operator guides the cleaning head over the surface to be cleaned. The operator holds the surface cleaning machine over the holding rod device (on which in particular a handle is arranged) and guides it over the holding rod device.
  • a tank device for cleaning liquid is located on the holding rod device; a battery device is mounted on the support rod device; a handle with an operating device sits on the holding rod device; a tank device for dirty fluid sits on the holding rod device or on the cleaning head.
  • the at least one cleaning roller unit is assigned a sweeping element.
  • the cleaning roller unit to which the sweeping element is assigned can be used to feed coarse dirt via the sweeping element. This enables an additional sweeping function to be implemented.
  • Execution examples for surface cleaning machines with sweeping elements are disclosed, for example, in WO 2016/058907 A1 or in WO 2016/058956 A1 or in WO 2019/048496 A1. Reference is made expressly and in full to these documents. It is advantageous if the cleaning head is supported on a surface to be cleaned via the at least one cleaning roller unit and, in particular, is only supported via the at least one cleaning roller unit. No further support rollers or the like are necessary, which can basically act on the surface to be cleaned.
  • a first cleaning roller unit and a spaced-apart second cleaning roller unit are provided, in particular with at least one of the following:
  • the axes of rotation of the first cleaning roller unit and the second cleaning roller unit are parallel to one another; the first cleaning roller unit and the second cleaning roller unit are driven in opposite directions; the first cleaning roller unit and / or the second cleaning roller unit are constructed in several parts and in particular in two parts; a central drive is provided for the first cleaning roller unit and / or the second cleaning roller unit.
  • Such a surface cleaning machine can be designed with a compact cleaning head.
  • the cleaning head can be designed with a height of, for example, less than 15 cm. This makes it easy to drive under furniture and the like.
  • the result is an optimized cleaning result, since a certain surface area can be passed over in succession by the first cleaning roller unit and the second cleaning roller unit and is accordingly cleaned "twice”.
  • the counter-rotating rotation of the first cleaning roller unit and the second cleaning roller unit makes it possible, for example, to arrange a tank device for dirty fluid between the first cleaning roller unit and the second cleaning roller unit corresponding cleaning roller unit can be coupled into the same tank device.
  • a cleaning operation close to the edge can be achieved through a multi-part and, for example, two-part design of the first cleaning roller unit and / or the second cleaning roller unit.
  • the cleaning roller units can be arranged and designed in such a way that they lie at a lateral end of the cleaning head.
  • a lighting device is provided for a surface to be cleaned to achieve the object mentioned at the beginning.
  • a surface to be cleaned can be illuminated by the lighting device via the surface cleaning machine.
  • the lighting device can also be used to improve a detection result of a sensor device for the automatic detection of a degree of soiling.
  • Cleaning head is arranged. This results in a simple way of illuminating a surface to be cleaned.
  • the lighting device is arranged above the at least one cleaning roller unit. This can be easily integrated into the cleaning head and a front field in front of the corresponding at least one cleaning roller unit on the surface to be cleaned can be illuminated.
  • Standard speed is driven to rotate, and in which, in a boost mode, the at least one cleaning roller unit is operated at an increased speed compared to the standard speed and / or in which in a sweeping mode, the at least one cleaning roller unit is operated at a speed that is lower than the standard speed.
  • the method according to the invention has the advantages already explained in connection with the surface cleaning machine according to the invention.
  • the surface cleaning machine according to the invention can be operated with the method according to the invention or the method according to the invention can be carried out on the surface cleaning machine according to the invention.
  • Figure 1 is a perspective view of a first embodiment
  • FIG. 2 shows a perspective illustration of an exemplary embodiment of a cleaning head of the surface cleaning machine according to FIG. 1;
  • FIG. 3 shows a perspective illustration of a further exemplary embodiment of a cleaning head of the surface cleaning machine according to FIG. 1;
  • FIG. 4 shows a partial sectional view of the cleaning head according to FIG. 3;
  • FIG. 5 shows a sectional illustration of a further exemplary embodiment of a cleaning head
  • Figure 6 schematically an embodiment of a connection of a
  • Control device with a sensor device and a drive device
  • Figure 7 is a perspective view of a second embodiment
  • FIG. 8 shows a bottom view of a cleaning head of a third exemplary embodiment of a surface cleaning machine
  • FIG. 9 shows a bottom view of a cleaning head of an exemplary embodiment of a fourth surface cleaning machine
  • FIG. 10 schematically an operating device, a control
  • FIG. 11 shows an exemplary embodiment of a handle with an operating device
  • FIG. 12 shows a schematic representation of a fifth exemplary embodiment of a surface cleaning machine according to the invention.
  • a first exemplary embodiment of a surface cleaning machine 10 (FIG. 1) comprises a cleaning head 12.
  • the cleaning head 12 has a head body 14.
  • first cleaning roller unit 16 and the second cleaning roller unit 18 are formed in one piece, that is, each The respective cleaning roller unit is formed by a one-piece cleaning roller.
  • first cleaning roller unit 16 and / or the second cleaning roller unit 18 are constructed in several parts and in particular are each constructed in two parts.
  • the first cleaning roller unit 16 and the second cleaning roller unit 18 each comprise a (cylindrical) carrier 20 on which a trim 22 made of a textile material is arranged.
  • the surface cleaning machine with its cleaning head 12 acts on a surface 24 to be cleaned via the trimming 22.
  • the first cleaning roller unit 16 is driven to rotate about a first axis of rotation 26 (when the surface cleaning machine 10 is in operation).
  • the second cleaning roller unit 18 is driven to rotate about a second axis of rotation 28 during operation.
  • the first axis of rotation 26 and the second axis of rotation 28 are spaced parallel to one another.
  • the cleaning head 12 with the first cleaning roller unit 16 and the second cleaning roller unit 18 When the cleaning head 12 with the first cleaning roller unit 16 and the second cleaning roller unit 18 is placed on a flat surface 24 to be cleaned, it being supported on the surface 24 to be cleaned via the first cleaning roller unit 16 and the second cleaning roller unit 18, then the first axis of rotation 26 and the second axis of rotation 28 each parallel to the surface 24 to be cleaned.
  • the surface cleaning machine 10 comprises a drive device 30 for the respective rotational drive of the first cleaning roller unit 16 and the second cleaning roller unit 18.
  • the drive device 30 comprises a first drive motor 32, which the rotational movement of the first Cleaning roller unit 16 drives, and a second drive motor 34 which drives the rotational movement of the second cleaning roller unit 18.
  • the first drive motor 32 and the second drive motor 34 are in particular formed by special electric motors.
  • the first drive motor 32 and the second drive motor 34 are in particular positioned within the respective carrier 20 of the first cleaning roller unit 16 and the second cleaning roller unit 18, respectively.
  • first cleaning roller unit 16 and the second cleaning roller unit 18 are each formed in one piece.
  • first cleaning roller unit 16 is driven to rotate in a first direction of rotation 36 (see FIG. 5), and the second cleaning roller unit 18 is driven to rotate in a second direction of rotation 38.
  • the first direction of rotation 36 and the second direction of rotation 38 are opposite to one another, that is, the first cleaning roller unit 16 and the second cleaning roller unit 18 are driven in opposite directions.
  • the first direction of rotation 36 is such that a first area 40, with which the first cleaning roller unit 16 acted on the surface 24 to be cleaned, is initially moved towards an area 42 which is located between the first cleaning roller unit 16 and the second cleaning roller unit 18 is on the head body 14.
  • the second direction of rotation 38 is such that a second region 44, with which the second cleaning roller unit 18 acted on the surface 24 to be cleaned, is moved towards the region 42 on the head body 14.
  • the surface cleaning machine 10 comprises a control device, which is arranged, for example, on the cleaning head 12 (indicated by the reference numeral 46 in FIG. 5), by means of which a rotational speed of the first cleaning roller unit 16 in the first rotational direction 36 and / or a rotational speed of the second Cleaning roller unit 18 in the second direction of rotation 38 is adjustable.
  • the cleaning head 12 does not experience any propulsion due to the rotation of the cleaning roller unit 16 and 18, and therefore no advance movement.
  • first cleaning roller unit 16 If the rotational speed of the first cleaning roller unit 16 is greater than the rotational speed of the second cleaning roller unit 18, then the cleaning head 12 is propelled in a first feed direction 48 ("forward direction"). If the rotational speed of the second cleaning roller unit 18 is greater than the rotational speed of the first cleaning roller unit 16, then the experience
  • Cleaning head 12 drives in a second direction of advance 50
  • the first feed direction 48 and the second feed direction 50 are opposite to one another.
  • the first feed direction 48 and the second feed direction 50 lie transversely and in particular at right angles to the axes of rotation 26 and 28.
  • the control device 46 controls the drive device 30 and controls whether there is no feed movement, or a feed movement in the first feed direction 48 or the second feed direction 50.
  • Lighting device 51 arranged ( Figure 2). This lighting device 51 illuminates (in particular in a cleaning operation of the surface cleaning machine 10) a front field 53 in front of the cleaning head 12. This front field 53 lies in the first feed direction 58 in front of the cleaning head 12 when the surface cleaning machine 10 is in operation at the area to be cleaned Surface 24. In this way, for example, an operator of the surface cleaning machine can better recognize soiling.
  • the lighting device 51 is coupled to the control device 46 in a signal-effective manner (see FIG. 10). For example, if the surface cleaning machine is put into operation (by switching it on), the lighting device 51 is activated in particular.
  • the lighting device 51 comprises in particular one or more light emitting diodes.
  • the lighting device 51 is arranged above the first cleaning roller unit 16 on the head body 16 and is integrated into it.
  • the lighting device 51 it is also possible for the lighting device 51 to be arranged on a holding rod device (see the holding rod device 54 below).
  • a lighting device is provided which is assigned to the second cleaning roller unit 18 and illuminates a "rear field" which is facing away from the front field 53.
  • a region of a surface 24 to be cleaned can be illuminated in relation to the second feed direction 50 and thus to a certain extent behind the cleaning head 12 (not shown in FIG. 2).
  • a holding rod device 54 is held on the cleaning head 12 via a joint 52. About the joint 52, the holding rod device 54 is around one
  • Pivot axis 56 can be pivoted to the cleaning head 12 when the cleaning head 12 stands with its first cleaning roller unit 16 and the second cleaning roller unit 18 on the surface 24 to be cleaned.
  • the pivot axis 56 lies parallel to the first axis of rotation 26 and the second axis of rotation 28.
  • a handle 60 and, in particular, a bow-shaped handle is seated on the holding rod device 54.
  • the holding rod device is articulated to the cleaning head 12 via the joint 52.
  • a pivoting angle of the holding rod device 54 relative to the surface 24 to be cleaned is adjustable and an operator can in particular set this pivoting angle according to his body size.
  • the surface cleaning machine 10 is hand-held on the handle 60 and is hand-guided. It is supported on the surface 24 to be cleaned via the first cleaning roller unit 16 and the second cleaning roller unit 18.
  • control device 46 is arranged on the handle 60 (indicated in FIG. 1).
  • a battery device 64 which is in particular rechargeable, is arranged on the holding rod device 54.
  • the drive device 30 is supplied with electrical energy via the battery device 64.
  • a mains connection it is also possible for a mains connection to be arranged on the holding rod device 54, in which case the drive device 30 can then be supplied with electrical energy via mains current.
  • a tank device 66 for cleaning liquid is arranged on the holding rod device 54.
  • At least one channel leads through the holding rod device 54 to the cleaning head 12 and through it to a first outlet opening device 68 (FIG. 5), which is assigned to the first cleaning roller unit 16, and a second outlet opening device 70, which is the second Cleaning roller unit 18 is assigned.
  • the first outlet opening device 68 is arranged above the first cleaning roller unit 16 in relation to a height direction away from the surface 24 to be cleaned, if the cleaning head 12 rests properly thereon, and the second outlet opening device 70 is arranged above the second cleaning roller unit 18.
  • the tank device 66 for cleaning liquid is assigned a valve device 67, which is designed such that when the drive device 30 is in operation it opens automatically and cleaning liquid flows from the tank device 66 via the first outlet opening device 68 onto the first cleaning roller unit 16 and over the second outlet port device 70 flows onto the second cleaning roller unit 18.
  • the first outlet opening device 68 and the second outlet opening device 70 are designed, in particular, in such a way that the first cleaning roller unit 16 and the second cleaning roller unit 18 override accordingly cleaning fluid is applied to a large length area parallel to the respective axis of rotation 26, 28.
  • a region of the first cleaning roller unit 16 to which cleaning fluid was applied via the first outlet opening device 68 rotates in the first direction of rotation 36 towards the surface 24 to be cleaned and then forms the first region 40 when this surface 24 to be cleaned is acted upon.
  • the first cleaning roller unit 16 acts mechanically on the surface 24 to be cleaned.
  • the "liquid content” causes dirt to loosen and thus an improved cleaning effect.
  • a moistened area of the second cleaning roller unit 18 rotates in the second direction of rotation 38 towards the surface 24 to be cleaned and forms the second area 44 with the same functionality as described with reference to the first cleaning roller unit 16.
  • the first cleaning roller unit 16 takes along dirt in the first direction of rotation 36 after the surface to be cleaned 24 has been applied. Dirt is carried along in the second direction of rotation 38 by the second cleaning roller unit 18.
  • tank device 66 it is also possible for the tank device 66 to be arranged on the cleaning head 12.
  • a first sweeping element 72 is seated on the cleaning head 12 and assigned to the first cleaning roller unit 16.
  • a second sweeping element 74 is also located on the cleaning head 12 and is assigned to the second cleaning roller unit 18.
  • the area 42 of the head body 14 is between the first
  • Sweeping element 72 and the second sweeping element 74 are arranged.
  • the first sweeping element 72 and the second sweeping element 74 lie between the first cleaning roller unit 16 and the second cleaning roller unit 18 in relation to a longitudinal direction 76 which is at a perpendicular angle to the first axis of rotation 26 and the second axis of rotation 28.
  • the first sweeping element 72 and the second sweeping element 74 protrude over the head body 14 downwards onto the surface 24 to be cleaned.
  • the task of the first sweeping element 72 is to hold coarse dirt in position, that is to say to prevent it from reaching a region from the first cleaning roller unit 16 to the second cleaning roller unit 18. Coarse dirt can to a certain extent be collected on the first sweeping element 72, which can then be carried along by the rotation of the first cleaning roller unit 16 in the first direction of rotation 36.
  • the second sweeping element 74 has the same task in relation to the second cleaning roller unit 18.
  • first sweeping element 72 or the second sweeping element 74 it is also possible for only the first sweeping element 72 or the second sweeping element 74 to be present.
  • the surface cleaning machine 10 comprises a fan device 78.
  • the fan device comprises a fan and a drive motor and in particular an electric motor. This electric motor is supplied with electrical energy via the battery device 64 or alternatively via mains current.
  • the blower device 78 generates a negative pressure for the formation of a suction flow.
  • Channels 80, 82 lead from the fan device 78 to a first inlet opening device 84 (FIG. 4) which is assigned to the first cleaning roller unit 16 or to a second inlet opening device 86 which is assigned to the second cleaning roller unit 18.
  • Dirty fluid can be sucked off from the first cleaning roller unit 16 by means of the corresponding suction flow and coupled out via the first inlet opening device 84. Furthermore, dirty fluid from the second Vacuum cleaning roller unit 18 and uncouple it via the second inlet opening device 86.
  • the blower device 78 is assigned a tank device 88 for dirty fluid, into which the dirty fluid is coupled.
  • the tank device 88 for dirty fluid can in particular be arranged detachably on the holding rod device 54, or can be arranged on the cleaning head 12, in particular between the first cleaning roller unit 16 and the second cleaning roller unit 18.
  • Such a dirty fluid tank device is indicated by the reference numeral 90 in FIG.
  • the tank device 88 or 90 for dirty fluid is correspondingly fluidly connected to the blower device 78 so that dirty fluid can be coupled into it.
  • the first inlet opening device 84 is connected upstream of the first outlet opening device 68 in relation to the first direction of rotation 36, that is, the first region 40, which has acted on the surface 24 to be cleaned, is first guided past the first inlet opening device 84 before it the first Auslassmündungsein direction 68 is passed. The same then applies to the second cleaning roller unit 18 with its second region 44 in connection with the second inlet opening device 86.
  • the first inlet opening device 84 is arranged between the first sweeping element 72 and the first outlet opening device 68.
  • the second inlet opening device 86 is arranged between the second sweeping element 74 and the second outlet opening device 70.
  • the position of the first inlet opening device 84 and the second inlet opening device 86 is indicated accordingly.
  • the first inlet opening device 84 points into a first receptacle 92 of the cleaning head 12, in which the first cleaning roller unit 16 is arranged.
  • the first inlet opening device 84 is above the first cleaning roller unit 16.
  • the second inlet opening device 86 is correspondingly arranged in relation to the second cleaning roller unit 18.
  • the second cleaning roller unit 18 is seated in a second receptacle 94 of the cleaning head 12, and the second inlet opening device 86 points into this second receptacle 94.
  • the first inlet opening device 84 and the second inlet opening device 86 have such an opening length parallel to the first axis of rotation 26 and second axis of rotation 28 that a correspondingly large length range of the first cleaning roller unit 16 and the second cleaning roller unit 18 can be suctioned off.
  • a first inlet opening device 96 is provided which does not open into the first receptacle 92, but rather opens into an area in front of the first cleaning roller unit 16. As a result, it is arranged to a certain extent next to the first cleaning roller unit 16 in relation to the longitudinal direction 76. It is based on the first direction of rotation 36 of the first cleaning roller unit 16 downstream. They allow dirt to be thrown out and in particular hair which is just thrown in the direction of the first inlet opening device 96, suction.
  • the first inlet opening device 96 is fluidically connected to the fan device 78.
  • a correspondingly arranged second inlet opening device 98 is provided which is assigned to the second cleaning roller unit 18 and is accordingly arranged next to it.
  • the first inlet opening device 96 is then connected downstream of the first outlet opening device 68 in relation to the first direction of rotation 36.
  • the second inlet opening device 98 is connected downstream of the second outlet opening device 70 in relation to the second direction of rotation 38.
  • first inlet opening device 84 and the second inlet opening device 86 are present, or only the first inlet opening device 96 and the second inlet opening device 98 are present.
  • both an inlet opening device is provided, which opens into the corresponding receptacles 92, 94, and an adjoining inlet opening device corresponding to the inlet opening devices 96, 98 is present.
  • a first inlet opening device can be defined which has a partial area corresponding to the inlet opening device 84 or 86 and a further partial area corresponding to the inlet opening devices 96 and 98.
  • partial areas can all be connected to the blower device 78 in a fluid-effective manner.
  • inlet opening devices corresponding to inlet opening devices 96 and 98 which are arranged next to the corresponding cleaning roller unit 16 and 18, are connected to the fan device 78 in a fluid-effective manner.
  • the first cleaning roller unit is assigned a first inlet opening device 100
  • the second cleaning roller unit 18 is assigned a second inlet opening device 102, which open directly into the dirty fluid tank device 90 (FIG. 5).
  • first inlet opening device 100 and the second inlet opening device 102 are assigned a scraper device 103 with a respective scraper 104 or 106, which scrapes dirty fluid from the first cleaning roller unit 16 or the second cleaning roller unit 18, with the dirty fluid then flowing through the first inlet opening device device 96 or the second inlet opening device 98 directly into the
  • Dirt fluid tank device 90 can be coupled, in which case in particular the first inlet opening device 100 and the second inlet opening device 102 are not connected to the fan device 78. For example, suction is then carried out at the inlet opening devices 96, 98 and a direct stripping coupling at the inlet opening devices 100 and 102.
  • the cleaning head 12 is placed on the surface to be cleaned via the first cleaning roller unit 16 and the second cleaning roller unit 18. These are driven to rotate in the first direction of rotation 36 or in the second direction of rotation 38.
  • a feed in the direction 48 or 50 can be set by a different rotation speed.
  • the respective cleaning roller unit 16 or 18 is acted upon with cleaning fluid via cleaning fluid from the tank device 66 for cleaning fluid at the first outlet opening device 68 or the second outlet opening device 70.
  • the respective rotating cleaning roller unit 16 or 18 acts mechanically on the surface to be cleaned and dirt is loosened. Humidification using cleaning fluid on the tank device supports the removal of dirt.
  • Dirt is picked up by the facing 22 of the first cleaning roller unit 16 or 18 and conveyed in the first direction of rotation 36 or second direction of rotation 38.
  • Any coarse dirt that collects on the first sweeping element 72 or on the second sweeping element 74 is carried along in the first direction of rotation 36 or the second direction of rotation 38.
  • dirty fluid is sucked off, for example, at the first inlet opening device 84 and the second inlet opening device 86 via the blower device 78 and is alternatively or additionally sucked off at the first inlet opening device 96 or second inlet opening device 98.
  • a fan is freely coupled into the dirty fluid tank device 90 by stripping.
  • a constant distance between the sweeping elements 72, 74 and the surface 24 to be cleaned can also be ensured. Furthermore, dirt thrown through on one cleaning roller unit 16 or 18 can be detected by the other cleaning roller unit 18 or 16.
  • the tank device 90 for dirty fluid can be positioned between the first cleaning roller unit 16 and the second cleaning roller unit 18. This results in a short transport path for dirty fluid, at least for the direct coupling. Furthermore, the center of gravity can be kept low and the cleaning effort for the dirty fluid tank device is low.
  • inlet opening devices 96, 98 are provided, then hair is picked up and thereby an improved cleaning result.
  • the surface cleaning machine 10 optionally comprises a sensor device 108 with at least one sensor 110 or 112.
  • a guide direction 114a, 114b of the surface cleaning machine can be detected via the sensor 110, 112.
  • the sensor 110, 112 is, for example, an optical sensor, a position sensor, a force sensor, an acceleration sensor or an image detection sensor.
  • the senor 110, 112 also includes an active component such as a light source. For example, light is emitted to the environment and reflected light is evaluated in order to identify the direction of guidance.
  • an active component such as a light source. For example, light is emitted to the environment and reflected light is evaluated in order to identify the direction of guidance.
  • the sensor 110 is an image acquisition sensor
  • an image of the surroundings is acquired and the guidance direction is recognized via image processing.
  • a force sensor or an acceleration sensor for example, the force that an operator exerts on the surface cleaning machine is detected, and from this force, the guide direction is deduced.
  • the sensor 110 is arranged, for example, on the handle 60, or is arranged on the holding rod device 54 and in particular on a connection area 116 with the handle 60.
  • a sensor 112 is arranged on the cleaning head 12, or on the holding rod device 54, in particular on a connection area 118 with the cleaning head 12.
  • the arrangement of the sensor 110, 112 depends in particular on the type of sensor. If, for example, the sensor 110, 112 is a force sensor, then it is provided in particular that the sensor 110, 112 detects the force (the pulse) that an operator applies and, for example, applies it via the handle 60. For example, the force is then detected which is exerted on the holding rod device 54 via the handle 60 or which is exerted on the cleaning head 12 via the holding rod device 54.
  • a corresponding sensor is seated on the joint 52.
  • the sensor 110 or 112 can be arranged and designed so that it detects all guide directions 114a, 114b and in particular the first advance direction 48 and the second advance direction 50.
  • the sensor 110 or 112 can comprise separate sensor elements, with one sensor element, for example, being assigned to the first feed direction 58 as the guide direction 114a and a second sensor element being assigned to the second feed direction 50 as the second guide direction 114b.
  • the sensor device 108 is connected to the control device 46 in a signal-effective manner (FIGS. 6, 10). If a plurality of sensors such as the sensors 110 and 112 are provided, then each sensor 110, 112 is connected to the control device 46 in a signal-effective manner; each sensor 110, 112 supplies corresponding sensor signals to the control device 108.
  • control device 108 controls the drive device 30 with its first drive motor 32 and its second drive motor 34.
  • the control device 108 sets the speed of rotation of the first cleaning roller unit 16 and / or the second cleaning roller unit 18.
  • control device 46 controls the drive device 30 as a function of the detected guide direction 114a, 114b and accordingly sets the direction of rotation and / or the rotational speed of the first cleaning roller unit 16 and / or the second cleaning roller unit 18. It is provided in particular that the control device 46 in the surface cleaning machine 10 only sets the rotational speed of the corresponding cleaning roller unit 16 or 18.
  • a switching device 120 is provided, by means of which it is possible to switch whether the control device 46 controls the drive device 30 as a function of detection signals from the sensor device 108 or not. An operator can then set whether or not he wants a special automatic control of the drive device 30 as a function of sensor signals.
  • the switching device 120 is switched such that the drive device 30 is activated on the basis of the corresponding detection results, then corresponding signals are transmitted from the sensor device 108 to the drive device 30.
  • the control device sends corresponding signals to the drive device 30, where it is ensured that a first rotational speed of the first cleaning roller unit 16 is greater than the corresponding rotational speed the second cleaning roller unit 18.
  • a motor voltage applied to the drive motors 30, 32, 34 is changed accordingly.
  • This activation takes place in particular automatically on the basis of the detection of the guide direction 114a by the sensor device 108.
  • the sensor device 108 detects, for example, the impulse that an operator exerts on the surface cleaning machine 10 when a force sensor or acceleration sensor is present.
  • a force sensor or acceleration sensor is present.
  • the first cleaning roller unit 16 and the second cleaning roller unit 18 have the same rotational speed but with opposite directions of rotation.
  • the guide direction 114a is detected parallel or with a component in the first feed direction 48, then a greater frictional force develops on the first cleaning roller unit 16 due to the set higher rotational speed to the surface 24 to be cleaned and the cleaning head 12 and thus the surface
  • the cleaning machine 10 moves in the first feed direction 18 and supports the operator in the process. There is a type of servo support for the advance of the surface cleaning machine 10 on the surface 24 to be cleaned.
  • the second cleaning roller unit 18 is controlled accordingly by the control device and operated at a higher rotational speed than the first cleaning roller unit 16.
  • the impulse of the operator on the surface cleaning machine 10 in the second feed direction 50 is converted into a drive of the cleaning head 12 on the surface 24 to be cleaned in the second feed direction 50, this being automatically set by the control device 46.
  • the surface cleaning machine 10 functions in the same way if the first cleaning roller unit 16 and the second cleaning roller unit 18 are each in one piece or in each case in two pieces.
  • a sensor device 202 is assigned to the tank device 66 for cleaning liquid (see FIG. 10).
  • the sensor device 202 can be used to determine how the filling level of cleaning fluid is in the tank device 66 for cleaning fluid. In particular, it can be determined via the sensor device 202 whether the tank device 66 has been emptied, that is to say whether there is still cleaning liquid in it or not.
  • the sensor device 202 is connected to the control device 46 in a signal-effective manner.
  • the sensor device 202 sends its sensor signals to the control device 46 for further evaluation.
  • the sensor device 202 is through a
  • Formed electrode pair which is arranged on a flow area which is arranged downstream of the tank device 66 for cleaning liquid and, for example, the valve device 67 is connected upstream.
  • a probe device 204 is additionally or alternatively assigned to the tank device 88 or 90.
  • the probe device 204 can be used to determine a degree of filling of dirty fluid in the tank device 288 or 290 for dirty fluid.
  • the probe device 204 is designed such that a certain degree of filling can be detected, which indicates a type of maximum filling of the tank device 288, 290 for dirty fluid.
  • the probe device 204 comprises, for example, a pair of electrodes.
  • a corresponding probe device is described in the unpublished international patent application PCT / EP2019 / 058844 of April 8, 2019 by the same applicant. Reference is expressly made to this registration in full.
  • the probe device 204 is connected to the control device 46 in a signal-effective manner. It sends its sensor signals to the control device 46 for further evaluation.
  • This standard speed is in particular in the range between 400 Revolutions per minute and 600 revolutions per minute and example, at around 500 revolutions per minute.
  • the surface cleaning machine 10 has a boost mode in which the speed of the first cleaning roller unit 16 and / or the second cleaning roller unit 18 is increased compared to the standard speed.
  • This (fixed) increased speed for the rotation of the first cleaning roller unit 16 and / or the second cleaning roller unit 18 allows a better cleaning result, since the frictional force with respect to the surface 24 to be cleaned is increased.
  • the speed of the first cleaning roller unit 16 and / or the second cleaning roller unit 18 with respect to the standard speed of the respective cleaning roller unit 16 or 18 is at least a factor of 1.05, in particular at least 1 .1, in particular by at least 1.2, in particular by at least 1.3, in particular by at least 1.4, and in particular by at least 1.5.
  • a speed setting device 206 is provided (see FIG. 10).
  • the speed setting device 206 is integrated into the control device 46.
  • the speed setting device 206 acts on the drive motor 32 and / or 34; in particular, a corresponding motor voltage is increased in order to achieve a higher speed.
  • the speed setting device 206 it is also possible for the speed setting device 206 to be part of the drive motor 32 or 34.
  • a drive motor it is possible for a drive motor to act on a cleaning roller unit via a transmission device 208.
  • a single drive motor is provided, in which a torque is transmitted to cleaning roller units 16, 18 via a transmission device 208.
  • the gear mechanism 208 ensures, in particular, that the cleaning roller units 16, 18 rotate in opposite directions.
  • the gear device 208 has at least one reduction stage in order to reduce the speed of the drive motor to the corresponding speed of the cleaning roller units 16, 18.
  • the speed setting device 206 acts on the transmission device 208 and, for example, switches off a reduction stage in order to achieve an increased speed of the cleaning roller unit 16 or 18 in the boost mode compared to the standard speed .
  • the speed setting device 206 can also be part of the corresponding transmission device 208.
  • the surface cleaning machine 10 has a sweeping mode.
  • the speed of the first cleaning roller unit 16 and / or the second cleaning roller unit 18 is relative to the standard speed of the respective cleaning roller unit 16
  • At least a factor of 1.05 in particular of at least 1.1, in particular of at least 1.2, in particular of at least 1.3, in particular of at least 1.4 and in particular of at least 1.5.
  • the reduced speed is set via the speed setting device 206 on the drive motor 32 and / or 34 or via the gear device 208.
  • an additional reduction stage is switched on in order to maintain the low speed in the sweeping mode compared to the standard speed.
  • an operating device 210 is arranged on the handle 60 (see FIGS. 10, 11).
  • the operating device 210 is arranged and designed so that an operator who guides the surface cleaning machine 10 by means of the handle 60 can access the operating device 210.
  • the operating device 210 is designed, for example, as a touch panel.
  • a switch 212 which is an on-off switch, is arranged as an operating element on the operating device 210. It can be used to switch the operation of the surface cleaning machine "as a whole" on or off.
  • the switch 212 is designed such that the operation of the drive motors 32, 34 can be activated or deactivated via it.
  • At least one operating element 214 which is used to activate the boost mode, is arranged on the operating device 210.
  • the boost mode can be activated accordingly via the operating element 214.
  • the Operating element 214 is connected to the control device 46 with a corresponding signal effect and acts on the speed setting device 206. By operating the operating element 214, the boost mode is activated or initiated.
  • the boost mode can include a plurality of different speeds, each of which is higher than the standard speed. It is preferably provided that then each speed im
  • Boost mode is assigned its own control element.
  • the boost mode comprises only a single increased speed and accordingly only a single operating element 214 is arranged on the operating device 210.
  • the boost mode is used to carry out improved cleaning of the surface 24 to be cleaned when there is an increased degree of soiling.
  • the operating device 210 is designed with respect to the boost mode (via the operating element 214) in cooperation with the speed setting device 206 so that after actuating the operating element 214 and activating the boost mode, it is only activated for a certain period of time.
  • the operating element 214 is designed such that the boost mode is only activated when an operator is actively involved. If, for example, an operator presses the operating element 214, then the boost mode is activated. If an operator no longer activates the operating element 214, the surface cleaning machine goes from the boost mode "immediately" to the standard mode and the cleaning roller units 16, 18 are operated at their standard speed. The boost mode is only activated when the operating element 214 is actuated by the
  • an operating element 215 can be provided which is used to activate the sweeping mode (FIG. 10; not shown in FIG. 11).
  • the operating element 215 is connected to the control device 46 in a signal-effective manner and acts on the speed setting device 206. By operating the operating element 215, the sweeping mode is activated or initiated.
  • the sweeping mode can have a plurality of different speeds, each of which is opposite to the boost mode
  • each speed in the sweeping mode is assigned its own operating element 215.
  • the sweeping mode comprises only a single reduced speed and accordingly only a single operating element 215 is arranged on the operating device 210.
  • the sweeping mode is used to improve the absorption of coarse dirt on the surface 24 to be cleaned via the cleaning roller units 16, 18.
  • the sweeping mode is activated when the operating element 215 is actively influenced.
  • Sensor device 216 which checks a degree of contamination. This check takes place in particular on the surface 24 to be cleaned.
  • the degree of contamination is carried out at a different point, for example with regard to the dirty fluid which is conveyed into the tank device 288 or 290 for dirty fluid.
  • the sensor device 216 is coupled to the speed setting device 206 via the control device 46 with a signal effect. If a defined degree of soiling (in particular as an increased degree of soiling) is detected via the sensor device 216, then the boost mode is automatically activated via the speed setting device 206, or for example the sweeping mode.
  • the boost mode or sweeping mode can only be activated manually by the operator, for example using the operating element 214 or 215, or that automatic activation takes place by means of the sensor device 216. Operator intervention with automatic activation can also be used together on a surface cleaning machine.
  • the surface cleaning machine has a feed quantity setting device 218, via which a feed quantity of cleaning fluid can be set which is made available to the cleaning rollers 16, 18 or the surface 24 to be cleaned.
  • a delivery of cleaning fluid to the cleaning roller units 16, 18 is indicated by a double arrow with the reference numeral 220.
  • the feed quantity setting device 218 acts on a passive or active element in the feed pumping of cleaning liquid from the tank device 66 for cleaning liquid to the cleaning rollers 16, 18 or to the surface to be cleaned 24.
  • the feed quantity setting device 218 can also be part of such an active one or passive organ.
  • the feed quantity setting device 218 acts on this pump.
  • the feed quantity adjustment device 218 acts on the valve device 67.
  • the valve device 67 is a passive organ for feeding cleaning fluid to the cleaning roller units 16, 18 or to the surface 24 to be cleaned.
  • valve device 67 opens.
  • gravity-driven cleaning fluid can then be conveyed from the tank device 66 for cleaning fluid to the cleaning roller units 16, 18 or to the surface 24 to be cleaned.
  • valve device 67 is designed in such a way that it can also be used to adjust the feed quantity (by designing it as a control valve), then the corresponding feed quantity of cleaning fluid can be set by the action of the feed quantity setting device 218.
  • an adjustment to a type of floor such as a wooden floor or a tiled floor can take place via the feed quantity setting device 218.
  • an operating element 222 is arranged on the operating device 210 and is connected to the feed quantity setting device 218 via the control device 46 in a signal-effective manner. An operator can set the feed quantity on the operating element 222.
  • the operating element 222 is designed as a toggle switch, which has two setting options. For example, a lower feed rate can then be set when a wooden floor is to be cleaned. A larger amount can be set if a non-wooden floor such as a tiled floor is to be cleaned.
  • a standard speed can be set using the operating element 222.
  • a first standard speed can be set, which is used for water-sensitive floors. By setting this first standard speed, a first (lower) feed rate is then also set.
  • a second standard speed can also be set, which is higher than the first standard speed.
  • a corresponding second feed amount is then automatically set, which is higher than the first feed amount.
  • the first standard speed is 450 revolutions per minute.
  • the corresponding standard speed and the associated feed rate is designed, for example, for water-sensitive floors such as wooden floors.
  • the second standard speed is 500 revolutions per minute.
  • the corresponding second standard speed with the corresponding second feed rate is laid out for stone floors, for example.
  • the order in which they are set can also be different.
  • the feed quantity is set, for example, via the operating element 222 and the specific standard speed is then obtained therefrom (controlled via the control device 46).
  • the operating element 222 can be used to set the standard speed (directly or indirectly) before start-up, so that when the surface cleaning machine is started up, the cleaning roller unit 16, 18 rotates at the previously set standard speed.
  • the feed amount setting device is assigned a display device 224 (FIGS. 10, 11) which shows an operator which feed amount has been set.
  • the display device 224 is a symbolic display element, which, for example, characterizes a wooden floor and a tiled floor. It can be provided, for example, that a display device 226 with (at least) one display element is arranged on the operating device 210 and is coupled to the sensor device 202 via the control device 46 in a signal-effective manner. It can thus be indicated on the operating device whether the tank device 66 is sufficiently filled for cleaning fluid and / or has been emptied. For example, this can be used to indicate a warning.
  • a display device 228 is arranged on the operating device 210, which is connected to the probe device 204 via the control device 46 in a signal-effective manner. It can then be indicated to an operator on the operating device 210 whether the tank device 288 or 290 for dirty fluid is not yet filled or a warning display can be achieved when the certain filling level has been reached and the tank device 288 or 290 for dirty fluid must be emptied .
  • a display device 230 is arranged on the operating device 210, which is a status display for the battery device 64.
  • the operating device 210 it is also possible for the operating device 210 to be arranged, for example, on the cleaning head 12 or on the holding rod device 54. It is also possible that parts of the
  • Operating devices are arranged in different areas of the surface cleaning machine 10. For example, the display devices 224, 226, 228, 230 on the cleaning head 12 (as passive
  • Elements such as the switch 212, the operating element 214 and the operating element 222 are arranged on the handle 60.
  • the surface cleaning machine 10 is then operated as follows: The surface cleaning machine 10 is started up via the switch 212.
  • the drive motors 32, 34 are activated and the cleaning roller units 16, 18 start up until they rotate at their standard speed and in particular rotate in opposite directions.
  • the surface cleaning machine 10 can rotate at different standard speeds, these being set, for example, via the operating element 222.
  • a first standard speed can be provided, which is used for water-sensitive floors
  • a second standard speed can be provided, which is used for less water-sensitive floors.
  • the corresponding standard speed is then assigned a corresponding feed quantity. For example, at the lower first standard speed, the amount of cleaning fluid that is supplied to the cleaning roller units 16, 18 or the surface to be cleaned 24 is reduced compared to operation at the second standard speed, which is higher than the first standard -Rotation speed.
  • valve device 67 Activated by the control device 46, the valve device 67 is opened and the tank device 66 for cleaning fluid becomes
  • the feed quantity (or standard speed) has been set accordingly by an operator via the operating element 222, which acts on the feed quantity setting device 218.
  • the lighting device 51 is also activated and the front field 53 on the surface 24 to be cleaned is illuminated.
  • the boost mode or sweeping mode is activated (automatically and / or by an operator) and the rotational speed of at least one of the cleaning roller units 16, 18 and preferably of both is set via the rotational speed setting device 206 elevated.
  • activation of the operating element 214 is necessary when a user is activated.
  • a motor voltage to the drive motors 32 or 34 is then increased via the speed setting device 206 (or decreased in the sweeping mode) and the surface cleaning machine is operated with increased (in the sweeping mode decreased speed) speed of the cleaning roller units 16, 18 .
  • Dried-on dirt can then be better loosened by increased friction.
  • coarse dirt can be picked up in an improved manner, in particular in cooperation with a sweeping element, and carried away from the surface 24 to be cleaned.
  • the boost mode or sweeping mode is ended when an operator no longer operates the operating element 214.
  • the boost mode or sweeping mode is activated, in particular, only for a certain period of time and is then automatically deactivated after this period of time has elapsed.
  • the boost mode or sweeping mode is deactivated.
  • the motor voltage is then reset accordingly and the cleaning roller units 16, 18 rotate again at their standard speed.
  • An operator can use the operating element 222 to set the amount of cleaning liquid supplied or the standard speed.
  • a sensor device 232 can be provided as an alternative or in addition, which is provided in particular for the detection of a soil type and which is connected to the feed quantity setting device 218 with a signal effect (via the control device 46). A suitable amount of cleaning liquid can then be added automatically depending on the type of soil detected.
  • a higher amount of cleaning liquid which is provided to the cleaning roller units 16, 18 improves the cleaning result.
  • the amount of cleaning fluid supplied should be limited.
  • a second exemplary embodiment of a surface cleaning machine 126 according to the invention (FIG. 7) comprises a device body 128 and a cleaning head 130.
  • the cleaning head 130 is arranged pivotably on the device body 128.
  • the surface cleaning machine 126 is supported on the surface 24 to be cleaned solely via a cleaning roller unit 132.
  • a lighting device corresponding to the lighting device 51 in the surface cleaning machine 10 is arranged on the cleaning head 130.
  • This lighting device is assigned to the cleaning roller unit 132 and in particular is arranged above it.
  • the lighting device is in particular arranged and designed so that a front field in front of the cleaning roller unit 132 on the surface 24 to be cleaned (and thus in front of the cleaning head 130) can be illuminated.
  • the device body 128 has a longitudinal axis.
  • the surface cleaning machine 126 is held by a handle.
  • a holding rod device 134 with a holding rod 136 is seated on the device body 128. This holding rod 136 extends in the aforementioned longitudinal axis.
  • a handle 138 is arranged in particular in the form of a bow-shaped handle. By holding this handle 138, an operator can hold the surface cleaning machine 126 with one hand and guide it over the surface 24 to be cleaned.
  • the handle 138 can be designed as described above (see FIG. 11). On the handle 138, in particular, the operating device 210 is arranged.
  • the surface cleaning machine 126 comprises a blower device 140 (suction unit device) which is used to generate a suction flow in order to be able to suction off dirty fluid on the cleaning roller unit 132.
  • a blower device 140 suction unit device
  • a tank device 142 is detachable from the device body 128 for
  • a tank device 144 for cleaning liquid is also removably seated on the device body 128.
  • a drive device 146 with a drive motor 147 and a gear device 149 is arranged on the cleaning head 130.
  • Drive motor 147 drives cleaning roller unit 132 via gear mechanism 149 in rotation about a rotation axis 148.
  • a direction of rotation 150 of the cleaning roller unit 132 when the surface cleaning machine 136 is in operation is such that the cleaning head 130 is advanced in a feed direction 152 with the cleaning roller unit 132 supported on the surface 24 to be cleaned.
  • the feed direction 152 is a forward direction of the surface cleaning machine 126 in relation to an operator who stands behind the surface cleaning machine 126.
  • the cleaning roller unit 132 is designed in two parts with a central drive for driving the cleaning roller unit 132 (for synchronously driving the two parts of the cleaning roller unit 132 with the same axis of rotation 148 and the same direction of rotation 150).
  • the surface cleaning machine 126 has a sensor device corresponding to the sensor device 108.
  • the same reference symbols are used for the same elements as in the area cleaning machine 10 with regard to the control.
  • a boost mode is provided as described above.
  • the sensor device 108 has one or more sensors, which are, for example, on the handle 138, the holding rod device 134, in particular on a connection area to the handle 138 and / or on a connection area to the cleaning head 130, on the cleaning head 130 itself, or on a swivel joint can be arranged between cleaning head 130 and holding rod device 134.
  • the guide direction 114a or 114b (in particular parallel or with a component in the feed direction 152 or opposite to this) is detected via the sensor device 108.
  • the sensor device 108 is connected to a control device 46 in a signal-effective manner. This controls the drive device 146.
  • the cleaning roller unit 132 is rotated at a certain speed of rotation about the axis of rotation 148 in the direction of rotation 150 and with the standard Speed operated.
  • this specific rotational speed (which can also be in a range) is automatically set.
  • this corresponding lowering of the rotational speed of the cleaning roller unit 132 takes place automatically on the basis of the detection result of the sensor device 108 with respect to the guide direction.
  • a switching device corresponding to the switching device 120 can in turn be provided so that an operator can switch off the automatic lowering of the rotational speed of the cleaning roller unit 132.
  • the speed of the Cleaning roller unit increased or decreased above the standard speed.
  • a first cleaning roller unit 156 and a second cleaning roller unit 158 are arranged on the cleaning head 154.
  • the first cleaning roller unit 156 can be rotated about a first axis of rotation 160, in particular at a first rotational speed.
  • a first drive 162 is assigned to the first cleaning roller unit 156.
  • the second cleaning roller unit 158 can be rotated about a second axis of rotation 166 via a second drive 164.
  • a rotation in a second direction of rotation which is opposite to the first direction of rotation of the rotation of the first cleaning roller unit 156 about the first axis of rotation 160.
  • a third cleaning roller unit 168 is also provided, which can be rotated about a third axis of rotation 172 via a third drive 170.
  • the third axis of rotation 172 is in particular coaxial with the first axis of rotation 160.
  • the third cleaning roller unit 160 can be rotated about a third direction of rotation, which is in particular the same as the first direction of rotation.
  • first cleaning roller unit 160 and the second cleaning roller unit 168 are arranged in alignment with one another.
  • a fourth cleaning roller unit 174 is also provided, which can be rotated about a fourth axis of rotation 178 via a fourth drive 176.
  • the fourth axis of rotation 178 is, in particular, coaxial with the second axis of rotation 166.
  • a fourth direction of rotation of the fourth cleaning roller unit 174 is in particular the same as the second direction of rotation.
  • the second cleaning roller unit 158 and the fourth cleaning roller unit 174 are arranged in alignment.
  • the first cleaning roller unit 156 and the second cleaning roller unit 158 are in particular spaced apart parallel to one another.
  • the first drive motor 162, the second drive motor 164, the third drive motor 170 and the fourth drive motor 176 are part of a drive device 180.
  • This drive device 180 is controlled via a control device corresponding to the control device 46, this control device in turn corresponding to signals from a sensor device the sensor device 108 receives. These signals correspond to detection signals for a guidance direction of the corresponding surface cleaning machine including a possible cornering.
  • a boost mode with increased speed is provided as above.
  • the holding rod device is designed as described above with reference to the surface cleaning machine 10.
  • a pivoting movement of the handle 60 to the cleaning head 154 results in a guide direction with a component at an angle to the "straight" forward or backward direction.
  • a guide direction can be set, which can also be at an angle to the corresponding axis of rotation 160 etc.
  • a deviation from the vertical can indicate cornering.
  • the sensor device 108 basically detects this deviation, and the control device then controls the drive device 180 in such a way that the corresponding cornering takes place to the left or to the right.
  • a guidance direction in the forward direction of travel or a guidance direction in the reverse direction can still be recognized in order to achieve the appropriate support.
  • a first cleaning roller unit 184 and a second cleaning roller unit 186 are provided. These are spaced parallel to one another.
  • the first cleaning roller unit 184 can be rotated about a first axis of rotation 190 via a first drive motor 186.
  • the second cleaning roller unit 186 can be rotated about a second axis of rotation 194 via a second drive motor 192.
  • the first axis of rotation 190 and the second axis of rotation 194 are spaced apart parallel to one another.
  • a third rotating roller unit 196 is also provided, which is cursed with the first cleaning roller unit 184 and can be driven about a third axis of rotation 200 via a third drive motor 198.
  • the third axis of rotation 200 is in particular coaxial to the first axis of rotation 190.
  • the first cleaning roller unit 184 and the third cleaning roller unit 196 are arranged side by side.
  • first cleaning roller unit 184 and the third cleaning roller unit 196 are operated with the same direction of rotation, and the second cleaning roller unit 186 is operated with the opposite direction of rotation.
  • a sensor device corresponding to the sensor device 108 is again provided, which detects a guiding direction which is impressed by an operator.
  • the corresponding control device processes these detected signals and controls a drive device with the drive motors 188, 192 and 198 accordingly.
  • the speeds Vi and v 3 and v 2 are set to be the same amount in terms of amount, the combination of first cleaning roller unit 184 and second cleaning roller unit 186 being opposite to a third cleaning roller unit 196.
  • the speed v 2 is increased accordingly compared to the speeds Vi and v 3 (which can also be done by lowering the speeds Vi and v 3 ).
  • the speed Vi and v 3 are set differently in terms of amount depending on the direction detected. If necessary, the amount of the speed v 2 can also be adjusted.
  • a boost mode and / or sweeping mode is again provided.
  • a fifth exemplary embodiment of a surface cleaning machine according to the invention which is shown schematically in FIG. 12 and designated 340, is a self-propelled and self-steering device (“cleaning robot”).
  • the surface cleaning machine 340 comprises a cleaning head 342.
  • a first cleaning roller unit 344 is arranged on this. This can be rotated about a first axis of rotation 346.
  • a corresponding rotary drive is arranged on the cleaning head 342 (not shown in FIG. 12).
  • a second roller unit 348 is arranged on the cleaning head 342 at a distance from the first cleaning roller unit 344.
  • the second roller unit is rotatable about a second axis of rotation 350. In particular, it is driven in rotation via a corresponding rotary drive.
  • the cleaning head 342 and thus the surface cleaning machine 340 is supported on the surface 24 to be cleaned via the first cleaning roller unit 344 and the second cleaning roller unit 348.
  • the second roller unit 348 is formed, for example, as a sweeping roller unit.
  • a moistening device 352 is provided, via which (at least) the first cleaning roller unit 344 cleaning fluid
  • the humidifying device 352 comprises a tank device 354 for cleaning liquid.
  • the tank device 354 is arranged on the cleaning head 342.
  • a flow area 356 is assigned to the tank device 354.
  • a sensor device corresponding to the sensor device 202 is seated on the flow area 356.
  • the same reference symbols are used for the same elements.
  • One or more lines 358 lead from the flow area 356 to a nozzle device 360, by means of which the first cleaning roller unit 344 can be acted upon with cleaning fluid.
  • the sensor device 202 is in signal-effective connection with a control device 362, which corresponds to the control device 46.
  • the sensor device 202 can be used to determine whether the tank device 354 is empty. This is displayed on a display device 364, which is located on the cleaning head 342.
  • a transmitter 366 may be activated via the control device 362 in order, for example, to display the filling level of the tank device 354 for cleaning liquid to a mobile device 367 such as a smartphone or to output a warning.
  • a tank device 368 for dirty fluid is also removably seated on the cleaning head 342. Dirty fluid which is detached or sucked off by the first cleaning roller unit 344 is coupled into the tank device 368.
  • the tank device 368 is a probe device according to FIG.
  • Probe device 204 assigned. There are at least two protruding
  • the corresponding probe device 204 is in fluid communication with the control device 362.
  • the filling level of the tank device 368 can thereby be determined, and it can in particular be determined whether a certain filling level has been reached.
  • the control device 362 activates the boost mode or the sweeping mode (via the speed setting device 206). .
  • the control device 362 is connected to a display device 372 in a signal-effective manner, this display device 372 being assigned to the probe device 310.
  • the display device 372 is arranged on the cleaning head 342. They indicate (optically and / or acoustically) whether the specific filling level for the tank device 368 has been reached.
  • a corresponding status signal or warning signal can also be initiated via the transmitter 366.
  • the surface cleaning machine 340 is, for example, switched off or travels to a station (in particular a charging station) when it is detected that the tank device 354 has been emptied and / or the tank device 368 has reached its specific filling level.
  • Feed rate setting device double arrow

Abstract

L'invention concerne une machine de nettoyage de surfaces comprenant une tête de nettoyage (12), au moins une unité rouleau de nettoyage (216, 218), laquelle est montée de manière rotative sur la tête de nettoyage (12), et au moins un moteur d'entraînement (32, 34) destiné à entraîner en rotation ladite au moins une unité rouleau de nettoyage (16, 18), une vitesse de rotation de ladite au moins une unité rouleau de nettoyage (16, 18) pouvant être modulée et un dispositif de réglage de la vitesse de rotation (206) étant destiné à ladite au moins une unité rouleau de nettoyage (16, 18), et un mode de suralimentation, dans lequel une vitesse de rotation de ladite au moins une unité rouleau de nettoyage (16, 18) est augmentée comparativement à une vitesse de rotation standard de ladite au moins une unité rouleau de nettoyage (16, 18), étant prévu, et/ou un mode de balayage, dans lequel la vitesse de rotation de ladite au moins une unité rouleau de nettoyage (16, 18) est abaissée comparativement à la vitesse de rotation standard de ladite au moins une unité rouleau de nettoyage (16, 18), étant prévu.
EP19718320.5A 2019-04-12 2019-04-12 Machine de nettoyage de surfaces à mode de suralimentation et procédé pour faire fonctionner une machine de nettoyage de surfaces Pending EP3952712A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2019/059536 WO2020207603A1 (fr) 2019-04-12 2019-04-12 Machine de nettoyage de surfaces à mode de suralimentation et procédé pour faire fonctionner une machine de nettoyage de surfaces

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EP3952712A1 true EP3952712A1 (fr) 2022-02-16

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EP (1) EP3952712A1 (fr)
CN (1) CN113710139A (fr)
WO (1) WO2020207603A1 (fr)

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