EP3297764B2 - Système de nettoyage à haute pression - Google Patents

Système de nettoyage à haute pression Download PDF

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Publication number
EP3297764B2
EP3297764B2 EP15723711.6A EP15723711A EP3297764B2 EP 3297764 B2 EP3297764 B2 EP 3297764B2 EP 15723711 A EP15723711 A EP 15723711A EP 3297764 B2 EP3297764 B2 EP 3297764B2
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EP
European Patent Office
Prior art keywords
pressure
pressure cleaning
discharge unit
cleaning system
accordance
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
EP15723711.6A
Other languages
German (de)
English (en)
Other versions
EP3297764B1 (fr
EP3297764A1 (fr
Inventor
Timo Spengler
Sven Dirnberger
Gottfried Benzler
Manuel Berroth
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
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Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP3297764A1 publication Critical patent/EP3297764A1/fr
Publication of EP3297764B1 publication Critical patent/EP3297764B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations 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
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
    • A46B11/06—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water connected to supply pipe or to other external supply means
    • A46B11/063—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water connected to supply pipe or to other external supply means by means of a supply pipe
    • A46B11/066—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water connected to supply pipe or to other external supply means by means of a supply pipe with means for introducing an additive, e.g. soap
    • 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
    • A47L11/4036—Parts or details of the 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
    • A47L11/4075—Handles; levers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
    • B08B3/028—Spray guns
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • 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
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/02—Pressurised cleaning liquid delivered by a pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
    • B08B2203/0217—Use of a detergent in high pressure cleaners; arrangements for supplying the same

Definitions

  • the invention relates to a high-pressure cleaning system with the features of claim 1.
  • High-pressure cleaning systems and discharge units are, for example, EN 10 2006 009 855 A1
  • High-pressure cleaning systems have a high-pressure cleaning device with which a cleaning liquid, for example water, can be pressurized.
  • the high-pressure cleaning device comprises a pump and a motor that drives the pump.
  • Cleaning liquid to be pressurized can be fed to the pump via a pump inlet, and the cleaning liquid pressurized by the pump can be discharged via a pump outlet.
  • Different discharge units can be brought into fluid communication with the pump outlet so that the pressurized cleaning liquid can be directed onto a surface to be cleaned by means of the discharge unit that is in fluid communication with the pump outlet.
  • Such high-pressure cleaning systems are used to clean a wide variety of surfaces, for example to clean floors, building facades and vehicles.
  • discharge units are used.
  • the type of cleaning for example coarse cleaning, abrasive cleaning or foam cleaning, also influences the choice of the optimal discharge unit, which should be connected to the pump outlet of the high-pressure cleaning device in order to achieve the best possible cleaning result.
  • the discharge units differ from one another in terms of their discharge characteristics, for example through a different starting pressure of the cleaning fluid, a different jet shape, or through the addition of a cleaning chemical that is mixed into the cleaning fluid.
  • a discharge unit that can be used to add a cleaning chemical, such as a soap solution, to the pressurized cleaning fluid
  • the pressure of the cleaning fluid should be significantly lower than with a discharge unit that is used to direct a jet of cleaning fluid as precisely as possible onto a surface for abrasive cleaning.
  • the volume flow of the cleaning fluid should also be adapted to the discharge unit being used in order to achieve the best possible cleaning result.
  • the user can often find out the optimal delivery parameters of the high-pressure cleaning device for different discharge units from the operating instructions for the high-pressure cleaning device.
  • the operating instructions are often not available to the user when he or she wants to operate the high-pressure cleaning device at a location.
  • studying the operating instructions is time-consuming. This means that cases can arise in which the user operates the high-pressure cleaning device with a delivery parameter that is not optimally adapted to the discharge unit currently being used, meaning that a good cleaning result cannot be achieved.
  • a high-pressure cleaning system for cleaning pipes, channels and surfaces using a pressure medium comprises a control unit that can be connected to a liquid pump.
  • the pressure medium can be delivered by means of the liquid pump via a high-pressure cleaning hose and a cleaning nozzle connected to the high-pressure cleaning hose.
  • a transponder in which an identification code is stored is arranged on the cleaning nozzle.
  • the identification code is uniquely assigned to the cleaning nozzle.
  • the high-pressure cleaning system also comprises a reader that can be connected to the control unit for reading the identification code. With the help of the control unit, optimal cleaning parameters that are assigned to the identification code read out in each case can be determined automatically in order to regulate the operation of the liquid pump with optimal cleaning parameters.
  • the object of the present invention is to develop a high-pressure cleaning system and a discharge unit of the type mentioned at the outset in such a way that the best possible cleaning result can be achieved in a simple manner, whereby the user can manually control the delivery of pressurized cleaning fluid and the discharge unit used can be detected.
  • the high-pressure cleaning system has a detection unit with the aid of which the type of discharge unit currently in fluid connection with the pump outlet can be detected.
  • the detection unit is connected in a signal-conducting manner to the control device of the high-pressure cleaning device, so that a signal corresponding to the type of discharge unit currently being used can be transmitted from the detection unit to the control device, which then automatically adapts at least one delivery parameter of the high-pressure cleaning device to the type of discharge unit currently being used.
  • the adaptation can be carried out, for example, in such a way that the Control device controls the motor pump unit in such a way that the pump provides a certain output pressure of the cleaning liquid and/or a certain volume flow of the pressurized cleaning liquid.
  • An adjustment can also be made in such a way that the control device controls a mixing device of the high-pressure cleaning device in order to mix a cleaning chemical into the cleaning liquid, whereby a certain dosage of the cleaning chemical is achieved.
  • the handling of the high-pressure cleaning system according to the invention is therefore relatively simple, and yet a very good cleaning result can be achieved without the user having to manually enter the optimal delivery parameters of the high-pressure cleaning device for the discharge unit currently being used in order to achieve the best possible cleaning result.
  • the high-pressure cleaning system has a spray gun with a manually operable valve that is arranged in a through-channel extending from a gun inlet to a gun outlet, wherein the gun inlet can be brought into fluid communication with the pump outlet of the high-pressure cleaning device via a pressure line, preferably a pressure hose, and wherein the discharge unit can be connected to the gun outlet, and wherein the detection unit is arranged on the spray gun.
  • the fluid connection from the discharge unit to the pump outlet of the high-pressure cleaning device is made via a spray gun.
  • the user can manually control the delivery of pressurized cleaning fluid by means of the spray gun.
  • the spray gun has a manually operable valve that is arranged in a through-channel extending from a gun inlet to a gun outlet.
  • Pressurized cleaning fluid from the high-pressure cleaning device can be supplied to the gun inlet via a pressure line, for example a pressure hose.
  • the cleaning fluid flows through the spray gun's through-channel, provided the valve in the through-channel is in the open position.
  • the pressurized cleaning fluid can flow from the gun outlet to the discharge unit, which can be connected to the gun outlet.
  • Interacting connecting links are arranged on the gun outlet and on the discharge unit.
  • the connecting links form a bayonet connection.
  • the spray gun In addition to the valve that controls the delivery of pressurized cleaning fluid, the spray gun also has the detection unit that can be used to detect the discharge unit connected to the spray gun.
  • the detection can be done contact-based or contactless.
  • the at least one conveying parameter that can be adapted by the control device to the discharge unit currently being used includes the pressure of the cleaning liquid, the volume flow of the cleaning liquid and/or the dosage of a cleaning chemical that can be mixed into the cleaning liquid.
  • several conveying parameters can be automatically adapted by the control device to the discharge unit currently being used. For example, when using a discharge unit with the aid of which a mixture of cleaning liquid and cleaning chemical can be discharged, both a specific dosage of the cleaning chemical and the pressure of the cleaning liquid and, advantageously, also the volume flow of the cleaning liquid can be automatically adapted by the control device.
  • the high-pressure cleaning system advantageously comprises a display device on which the at least one adjusted conveying parameter can be displayed to a user.
  • the user thus receives information that can be perceived visually, acoustically or in another way, for example haptically, about the at least one conveying parameter that was automatically adjusted by the control device to the discharge unit currently in use.
  • the at least one adjusted conveying parameter can be changed by the user.
  • the high-pressure cleaning system has an input device for entering at least one conveying parameter.
  • the input device has at least one input element with the aid of which the user can select and change one of several conveying parameters.
  • the control device has a memory element in which conveying parameters adapted to a type of discharge unit are stored, wherein, depending on the type of discharge unit currently detected by the detection unit, at least one conveying parameter adapted to this type can be read from the memory element.
  • conveying parameters are stored in the memory element of the control device, each of which is assigned to a type of discharge unit in order to achieve the best possible cleaning result with the respective type of discharge unit.
  • the control device receives a signal from the detection unit corresponding to the currently detected type of discharge unit. Depending on the detected type, the conveying parameter assigned to this currently detected type of discharge unit is then read from the memory element, and the high-pressure cleaning device is then controlled by the control device according to this read-out conveying parameter.
  • the discharge unit is designed as a high-pressure flat jet nozzle, high-pressure rotor nozzle, high-pressure point jet nozzle, low-pressure cleaning agent nozzle, foam nozzle, washing brush or surface cleaner, whereby the surface cleaner has a hood and a nozzle arrangement movably arranged in the hood, which can be driven by the pressurized cleaning liquid.
  • the control device adapts at least one delivery parameter of the high-pressure cleaning device to this type of discharge unit.
  • the discharge unit has an identification element which characterizes the type of discharge unit and which can be detected by the detection unit in a contact-based or contactless manner. If the discharge unit is brought into flow connection with the pump outlet, the identification element which characterizes the type of discharge unit can be detected by the detection unit and the detection unit can transmit corresponding information to the control device.
  • the detection unit detects the identification element by contact.
  • mechanical contact takes place between the detection unit and the identification element.
  • Identification elements characterizing different types of discharge units can form different mechanical arrangements, each of which can be detected by a detection element of the detection unit by mechanical contact in the manner of a key-lock principle.
  • the identification element identifying the type of discharge unit can be detected by the detection unit without contact. With such a design, there is no mechanical contact between the identification element and the detection unit; rather, a signal identifying the type of discharge unit is transmitted from the identification element to the detection unit without mechanical contact.
  • the identification element can be detected by the detection unit electrically, magnetically, electromagnetically, inductively, capacitively, optically or mechanically.
  • the identification element has a memory element that can be read by the detection unit.
  • Information identifying the type of discharge unit is stored in the memory element and can be read by the detection unit, preferably without contact.
  • At least one conveying parameter adapted to the type of discharge unit is stored in the memory element.
  • a conveying parameter adapted to the type of discharge unit can be taken directly from the memory element of the identification element.
  • This conveying parameter can be transmitted from the detection unit to the control device, which then controls the high-pressure cleaning device according to this conveying parameter.
  • the control device does not have to have a large number of conveying parameters available, each of which is adapted to a type of discharge unit, but rather the control device receives from the discharge unit being used directly via the detection unit the conveying parameter that is optimally adapted to the discharge unit in order to achieve the best possible cleaning result, on the basis of which the control device can then control the high-pressure cleaning device.
  • a certain pressure and/or a certain volume flow and/or a certain dosage of a cleaning chemical can be stored in the memory element of the identification element, which enable a good cleaning result when the corresponding discharge unit is used.
  • the identification element is designed as a transponder.
  • a transponder is understood to be a radio communication element that receives and responds to incoming signals. Such transponders enable wireless transmission of signals between the identification element and the detection unit, which has a reader for wireless communication with the transponder.
  • the transponder has a memory element that is electrically connected to the transmitting and receiving antenna and can be read by the reader of the detection unit.
  • the discharge unit can be connected to the pump outlet via a pressure line, for example a pressure hose, to establish a fluid connection.
  • a pressure line for example a pressure hose
  • an electrical device is arranged on the spray gun, which is connected to the detection unit in a signal-conducting manner.
  • the electrical device can receive a signal provided by the detection unit and send it to the control device of the high-pressure cleaning device.
  • the signal can be transmitted from the electrical device to the control device wirelessly or via a connecting cable.
  • radio transmission of signals from the electrical device to the control device has proven to be advantageous.
  • the electrical device of the spray gun advantageously has an input device for entering at least one conveying parameter.
  • the input device can be designed in the form of a keyboard, for example.
  • the electrical device advantageously comprises a display device for displaying at least one conveying parameter.
  • the display device can in particular display the conveying parameter adapted to the type of discharge unit currently being used. If this conveying parameter is changed manually by the user, this change can also be displayed on the display device.
  • the input device and the display device are designed as a combined input and output device.
  • the input and output device is preferably designed as a touchscreen.
  • the disclosure also relates to a discharge unit for a high-pressure cleaning system of the type explained above, wherein the discharge unit can be brought into fluid communication with the pump outlet of the high-pressure cleaning device for discharging pressurized cleaning fluid.
  • the discharge unit in a particularly preferred embodiment has an identification element characterizing the type of discharge unit.
  • the identification element can be detected by an associated detection unit, as already explained above, and a signal corresponding to the type of discharge unit detected can be transmitted from the detection unit to the control device of the high-pressure cleaning device, so that at least one delivery parameter of the high-pressure cleaning device can be adapted to the type of discharge unit.
  • the identification element can advantageously be detected electrically, magnetically, electromagnetically, inductively, capacitively, optically or mechanically.
  • the identification element preferably has a storage element.
  • the storage element can be read by a detection unit in a contact-based or contactless manner and information identifying the type of discharge unit can be stored in the storage element.
  • At least one conveying parameter adapted to the type of discharge unit is stored in the storage element.
  • This conveying parameter can be read out by a detection unit and provided to the control device of the high-pressure cleaning device, so that the control device controls the high-pressure cleaning device in such a way that the high-pressure cleaning device provides the conveying parameter that is optimally adapted to the discharge unit.
  • the identification element is designed as a transponder.
  • a transponder is a radio communication element that receives and responds to incoming signals. The incoming signals are provided by the detection unit and the outgoing signals are received by the detection unit.
  • the transponder can have its own energy supply device, for example a battery. However, it is particularly advantageous if the supply energy is provided to the transponder by the detection unit.
  • the detection unit can transmit an electromagnetic signal to the transponder, which results in an electrical voltage being induced in the transponder.
  • Such transponders are known to those skilled in the art and do not require any further explanation here.
  • the discharge unit is advantageously designed as a high-pressure flat jet nozzle, high-pressure rotor nozzle, high-pressure point jet nozzle, low-pressure cleaning agent nozzle, foam nozzle, washing brush or surface cleaner, the latter having a hood in which a nozzle arrangement is movably arranged, which can be driven by cleaning liquid under pressure.
  • the discharge unit has a mechanical connecting member that can be mechanically connected to a spray gun, in particular plugged in, wherein the identification element is integrated into the connecting member.
  • the connecting member can, for example, have a connecting pin that can be inserted into a complementarily designed connecting receptacle of the spray gun, and the identification element can be integrated into the connecting pin.
  • the identification element can, for example, be designed in the form of a transponder, and a detection unit of the spray gun assigned to the identification element can, for example, have a reading device assigned to the transponder, which is arranged adjacent to the connecting receptacle of the spray gun that receives the connecting pin.
  • the reading device can be integrated into a wall of the connecting receptacle.
  • the reading device can be connected to an electrical device of the spray gun via an electrical connecting line, wherein the electrical device has a power supply unit with which the reading device can be supplied with electrical energy.
  • the power supply unit can, for example, be designed as a battery, in particular as a rechargeable battery.
  • the high-pressure cleaning system 10 has a high-pressure cleaning device 12 as well as a spray gun 14 and several discharge units 16, 18, 20, 22, 24 and 26, which can be optionally connected to the spray gun 14.
  • the high-pressure cleaning device 12 has a housing 28 in which a motor pump unit 30 with a drive motor 32 and a pump 34 is arranged.
  • Cleaning liquid to be pressurized preferably water
  • a container 42 is detachably held on a rear side 40 of the housing 28, in which a cleaning chemical is stored.
  • the cleaning chemical can be dosed into the pressurized cleaning liquid using the schematically shown mixing device 44.
  • the high-pressure cleaning device 12 is controlled by means of a control device 46, which is also arranged in the housing 28.
  • the spray gun 14 has a passageway 48 which extends from a gun inlet 50 to a gun outlet 52 and in which a valve 54 is arranged. To actuate the valve 54, the spray gun 14 has a trigger 56 which is pivotably arranged on a handle 58 of the spray gun 14 and can be manually actuated by the user to open and close the valve 54.
  • the gun inlet 50 is in flow connection with the pump outlet 38 via a pressure line, in the illustrated embodiment via a pressure hose 60, so that cleaning fluid, which has been pressurized by the high-pressure cleaning device 12, can be supplied to the spray gun 14.
  • One of the discharge units 16, 18, 20, 22, 24 and 26 can be connected to the gun outlet 52 of the spray gun 14 at the user's discretion. Which discharge unit is used depends on what type of surface is to be cleaned using the high-pressure cleaning system 10.
  • the discharge units 16, 18, 20, 22, 24 and 26 can be brought into fluid communication with the pump outlet 38 via the spray gun 14, so that pressurized liquid can be directed onto a surface to be cleaned via the discharge unit connected to the spray gun 14.
  • the dispensing of cleaning liquid can be controlled by the user using the valve 54.
  • the discharge units 16, 18, 20, 22, 24, 26 each have a connecting member 62 with a connecting pin 64 and two bayonet wings 66, 68.
  • the connecting member 62 interacts in a form-fitting manner with a complementarily designed connecting member 70 of the spray gun 14.
  • the connecting member 70 has a connection receptacle 72 into which the connecting pin 64 can be inserted.
  • the connecting member 70 has bayonet recesses that interact with the bayonet wings 66, 68 in a closed position. Such bayonet recesses are known to the person skilled in the art and are therefore not shown in the drawing to provide a better overview.
  • the discharge unit 16 has a high-pressure flat jet nozzle 74, which is known per se to the person skilled in the art and is therefore only shown schematically in the drawing.
  • a fan-shaped high-pressure jet can be emitted by means of the high-pressure flat jet nozzle 74.
  • the discharge unit 18 has a high-pressure rotor nozzle 76 with which a point jet rotating on a conical surface can be generated.
  • Such high-pressure rotor nozzles 76 are known per se to the person skilled in the art and therefore do not require any further explanation here.
  • the discharge unit 20 comprises a first washing brush 78, and the discharge unit 22 comprises a second washing brush 80.
  • the two washing brushes 78 and 80 differ from each other in terms of their shape and function.
  • the discharge unit 24 comprises a foam nozzle 82 and a discharge container 84 in which a foam-forming chemical can be stored.
  • the foam-forming chemical can be added to the foam provided by the high-pressure cleaning device 12 via the spray gun 14.
  • Cleaning fluid can be added so that a cleaning foam can be released.
  • the discharge unit 26 is in the Figures 2 and 3 shown schematically.
  • This discharge unit 26 also comprises a connecting member 62, as already explained above, and can be connected to the spray gun 14 and consequently brought into fluid communication with the pump outlet 38.
  • the discharge unit 26 is designed in the form of a surface cleaner 86, which has a hood 88.
  • a nozzle arrangement 90 with a first outlet nozzle 92 and a second outlet nozzle 94 is held so as to be rotatable about a common axis of rotation 96.
  • the nozzle arrangement 90 is set in rotation about the axis of rotation 96 and the supplied cleaning liquid can be applied via the outlet nozzles 92 and 94 to a surface to be cleaned, preferably a floor surface.
  • the user can optionally connect one of the discharge units 16, 18, 20, 22, 24, 26 to the spray gun 14 and apply cleaning fluid to the surface to be cleaned, wherein a cleaning chemical from the container 42 or a foam-forming chemical from the discharge container 84 can be added to the cleaning fluid if necessary.
  • each discharge unit 16, 18, 20, 22, 24, 26 has an identification element 100 which characterizes the type of the respective discharge unit 16, 18, 20, 22, 24, 26 and is designed as a transponder 102 in the embodiment shown.
  • the transponder 102 is integrated in the connecting member 62 in the embodiment shown, specifically in the connecting pin 64, which can be inserted into the connection receptacle 72 of the spray gun 14.
  • the spray gun 14 has a detection unit 104 associated with the identification element 100, with the aid of which the type of the connected discharge unit 16, 18, 20, 22, 24, 26 can be detected.
  • the detection unit 104 is designed as a reader 106, with which a Figure 4 schematically illustrated memory element 103 of the transponder 102 can be read without contact.
  • the reader 106 is arranged in a wall of the connection receptacle 72, so that the transponder 102 of the discharge unit 16, 18, 20, 22, 24, 26 connected to the spray gun 14 can be positioned at the smallest possible distance from the reader 106.
  • the reader 106 is electrically connected to an electrical device 110 of the spray gun 14 via an electrical connecting line 108.
  • a signal characterizing the type of discharge units 16, 18, 20, 22, 24, 26 detected can be transmitted to the electrical device 110 via the electrical connecting line 108.
  • the electrical device 110 has a power supply unit in the form of a battery 112 and a combined input/output device in the form of a touchscreen 114, with the aid of which at least one delivery parameter of the high-pressure cleaning device 12 can be displayed to the user and the user can manually change at least one delivery parameter of the high-pressure cleaning device 12.
  • the electrical device 110 has a first radio element 116 and the control device 46 has a second radio element 118, so that signals can be transmitted wirelessly between the electrical device 110 and the control device 46 via the radio elements 116, 118.
  • This makes it possible to transmit a control signal characterizing the type of discharge unit 16, 18, 20, 22, 24, 26 currently connected to the spray gun 14 from the electrical device 110 to the control device 46, and a conveying parameter can be transmitted from the control device 46 to the electrical device 110, which can then be displayed on the touchscreen 114.
  • the conveying parameter is changed by the user on the touch screen 114
  • the changed conveying parameter can also be transmitted from the electrical device 110 to the control device 46.
  • the control device 46 automatically adapts at least one delivery parameter of the high-pressure cleaning device 12 to the discharge unit 16, 18, 20, 22, 24, 26 being used in each case.
  • the delivery parameters used are in particular the pressure of the cleaning liquid at the pump outlet 38, the volume flow of the cleaning liquid flowing through the pump outlet 38 and the dosage of the cleaning chemical that can be mixed into the cleaning liquid by means of the mixing device 44. These delivery parameters can be automatically adapted to the discharge unit 16, 18, 20, 22, 24, 26 being used in each case in order to achieve the best possible cleaning result.
  • the optimal conveying parameters for the respective discharge unit are stored in the memory element 103 of the transponder 102 of the discharge units 16, 18, 20, 22, 24, 26, and when the respective discharge unit is connected to the spray gun 14, the conveying parameters stored in the memory element can be read by means of of the reader 106.
  • a corresponding signal can then be transmitted from the reader 106 via the connecting line 108 to the electrical device 110 and from there via the radio connection to the control device 46.
  • the control device 46 then controls the high-pressure cleaning device 12 in such a way that the delivery parameter read out in each case is provided.
  • the high-pressure cleaning device 12 has a pressure sensor 120 with the aid of which the pressure of the cleaning liquid prevailing at the pump outlet 38 can be detected, and the high-pressure cleaning device 12 comprises a volume flow sensor 122 with the aid of which the volume flow of the cleaning liquid flowing through the pump outlet 38 can be detected.
  • the high-pressure cleaning device 12 has a concentration sensor 124 with the aid of which the concentration of the cleaning chemical mixed into the cleaning liquid, if necessary by means of the mixing device 44, can be detected.
  • the pressure sensor 120 like the volume flow sensor 122 and the concentration sensor 124, is electrically connected to the control device 46, and the control device controls the pump 34 and the mixing device 44 in such a way that the conveying parameters provided by the detection unit 104, which are adapted to the respective discharge unit 16, 18, 20, 22, 24, 26 used in order to achieve the best possible cleaning result, are provided by the high-pressure cleaning device 12.
  • the operation of the high-pressure cleaning system 10 is therefore very simple for the user, whereby different discharge units 16, 18, 20, 22, 24, 26 can be used depending on the cleaning task to be solved and the delivery parameters of the high-pressure cleaning device 12 are automatically adapted to the discharge unit being used in each case without the user having to make complex settings on the high-pressure cleaning device 12 or on the spray gun 14.
  • the user has the option of changing the delivery parameters on the touchscreen 114 of the spray gun 14 if necessary.

Landscapes

  • Cleaning By Liquid Or Steam (AREA)

Claims (18)

  1. Système de nettoyage à haute pression avec un appareil de nettoyage à haute pression (12), qui présente une pompe (34) et un moteur (32) entraînant la pompe (34), ainsi qu'une entrée de pompe (36) destinée à amener un liquide de nettoyage à mettre sous pression et une sortie de pompe (38) destinée à délivrer le liquide de nettoyage mis sous pression, ainsi qu'un dispositif de commande (46) destiné à commander l'appareil de nettoyage à haute pression (12), et avec au moins une unité de distribution (16, 18, 20, 22, 24, 26), pouvant être amenée en liaison fluidique avec la sortie de pompe (38), destinée à distribuer le liquide de nettoyage mis sous pression, dans lequel le système de nettoyage à haute pression (10) présente une unité de détection (104), au moyen de laquelle le type de l'unité de distribution (16, 18, 20, 22, 24, 26) actuellement en liaison fluidique avec la sortie de pompe (38) peut être détecté et qui est reliée de manière à échanger des signaux avec le dispositif de commande (46), dans lequel au moins un paramètre de refoulement de l'appareil de nettoyage à haute pression (12) peut être adapté automatiquement par le dispositif de commande (46) au type détecté de l'unité de décharge (16, 18, 20, 22, 24, 26), caractérisé en ce que le système de nettoyage à haute pression (10) présente un pistolet de pulvérisation (14) avec une soupape (54) pouvant être actionnée manuellement, qui est disposée dans un canal de passage (48) s'étendant d'une entrée de pistolet (50) à une sortie de pistolet (52), dans lequel l'entrée de pistolet (50) peut être amenée en liaison fluidique avec la sortie de pompe (38) par l'intermédiaire d'une conduite de pression (60) et l'au moins une unité de distribution (16, 18, 20, 22, 24, 26) peut être raccordée à la sortie de pistolet (52) et dans lequel l'unité de détection (104) est disposée sur le pistolet de pulvérisation (14), et dans lequel des éléments de liaison (62, 70) coopérant l'un avec l'autre étant disposés sur la sortie (52) du pistolet et sur l'unité de décharge (16, 18, 20, 22, 24, 26), les éléments de liaison (62, 70) formant une liaison à baïonnette, dans lequel l'au moins une unité de distribution (16, 18, 20, 22, 24, 26) présente un élément d'identification (100) caractérisant le type de l'unité de distribution (16, 18, 20, 22, 24, 26), qui peut être détecté avec contact ou sans contact par l'unité de détection (104), l'élément d'identification (100) présentant un élément de mémoire pouvant être consulté par l'unité de détection (104), au moins un paramètre de refoulement adapté au type de l'au moins une unité de distribution (16, 18, 20, 22, 24, 26) étant mémorisé dans l'élément de mémoire.
  2. Système de nettoyage à haute pression selon la revendication 1, caractérisé en ce que l'au moins un paramètre de refoulement pouvant être adapté comprend la pression du liquide de nettoyage, le débit volumique du liquide de nettoyage et/ou un dosage d'un produit chimique de nettoyage pouvant être mélangé au liquide de nettoyage.
  3. Système de nettoyage à haute pression selon la revendication 1 ou 2, caractérisé en ce que le système de nettoyage à haute pression (10) présente un dispositif d'indication (114), sur lequel l'au moins un paramètre de refoulement adapté peut être indiqué à un utilisateur.
  4. Système de nettoyage à haute pression selon la revendication 1, 2, ou 3, caractérisé en ce que l'au moins un paramètre de refoulement pouvant être adapté peut être modifié par l'utilisateur.
  5. Système de nettoyage à haute pression selon la revendication 4, caractérisé en ce que le système de nettoyage à haute pression (10) présente un dispositif de saisie (114) pour la saisie d'au moins un paramètre de refoulement.
  6. Système de nettoyage à haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de commande (46) présente un élément de mémoire, dans lequel des paramètres de refoulement respectivement adaptés à un type d'unité de distribution (16, 18, 20, 22, 24, 26) sont mis en mémoire, dans lequel au moins un paramètre de refoulement adapté à ce type peut être consulté à partir de l'élément de mémoire en fonction du type d'unité de distribution (16, 18, 20, 22, 24, 26) actuellement détecté par l'unité de détection (104).
  7. Système de nettoyage à haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que l'au moins une unité de distribution (16, 18, 20, 22, 24, 26) est réalisée sous la forme d'une buse à jet plat haute pression (74), d'une buse rotative haute pression (76), d'une buse à jet ponctuel haute pression, d'une buse de produit de nettoyage à basse pression, d'une buse à mousse (82), d'une brosse de lavage (78, 80) ou d'un nettoyeur de surface (86), le nettoyeur de surface (86) présentant un capot (88) et un ensemble des buses (90) disposées de manière mobile dans le capot (88), qui peuvent être entraînées par le liquide de nettoyage sous pression.
  8. Système de nettoyage à haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'identification (100) peut être détecté électriquement, magnétiquement, électromagnétiquement, inductivement, capacitivement, optiquement ou mécaniquement par l'unité de détection (104).
  9. Système de nettoyage à haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'identification (100) est réalisé sous la forme d'un transpondeur (102).
  10. Système de nettoyage à haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un dispositif électrique (110) est disposé sur le pistolet de pulvérisation (14), lequel est relié à l'unité de détection (104) de manière à conduire le signal.
  11. Système de nettoyage à haute pression selon la revendication 10, caractérisé en ce que le dispositif électrique (110) présente un dispositif de saisie (114) pour la saisie d'au moins un paramètre de refoulement.
  12. Système de nettoyage à haute pression selon la revendication 10 ou 11, caractérisé en ce que le dispositif électrique (110) présente un dispositif d'indication (114) destiné à indiquer au moins un paramètre de refoulement.
  13. Système de nettoyage à haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité de distribution (16, 18, 20, 22, 24, 26) présente un élément d'identification (100), caractérisant le type de l'unité de distribution (16, 18, 20, 22, 24, 26).
  14. Système de nettoyage à haute pression selon la revendication 13, caractérisé en ce que l'élément d'identification (100) peut être détecté électriquement, magnétiquement, électromagnétiquement, inductivement, capacitivement, optiquement ou mécaniquement.
  15. Système de nettoyage à haute pression selon la revendication 13 ou 14, caractérisé en ce que l'élément d'identification (100) présente un élément de mémoire.
  16. Système de nettoyage à haute pression selon la revendication 13, 14 ou 15, caractérisé en ce que l'élément d'identification (100) est réalisé sous la forme d'un transpondeur (102).
  17. Système de nettoyage à haute pression selon l'une quelconque des revendications 13 à 16, caractérisé en ce que l'unité de distribution est réalisée sous la forme d'une buse à jet plat à haute pression (74), d'une buse rotative à haute pression (76), d'une buse à jet ponctuel à haute pression, d'une buse de produit de nettoyage à basse pression, d'une buse à mousse (82), d'une brosse de lavage (78, 80) ou d'un nettoyeur de surface (86), le nettoyeur de surface (86) présentant un capot ainsi qu'un ensemble des buses (90), disposé de façon mobile dans le capot (88), qui peuvent être entraînées par le liquide de nettoyage sous pression.
  18. Système de nettoyage à haute pression selon l'une quelconque des revendications 13 à 16, caractérisé en ce que l'unité de distribution (16, 18, 20, 22, 24, 26) présente un organe de liaison mécanique (62), qui peut être relié mécaniquement à un pistolet de pulvérisation (14), dans lequel l'élément d'identification (100) est intégré dans l'organe de liaison (62).
EP15723711.6A 2015-05-21 2015-05-21 Système de nettoyage à haute pression Active EP3297764B2 (fr)

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PCT/EP2015/061324 WO2016184529A1 (fr) 2015-05-21 2015-05-21 Système de nettoyage à haute pression et unité d'éjection pour un tel système de nettoyage à haute pression

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CN107666847A (zh) 2018-02-06
EP3297764B1 (fr) 2020-04-01
EP3297764A1 (fr) 2018-03-28
AU2015395516A1 (en) 2018-01-04
WO2016184529A1 (fr) 2016-11-24
US20180071792A1 (en) 2018-03-15

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