Media application device

Abstract

The invention relates to a media application device, in particular an ink application device, comprising at least one media discharge unit (12a –2e; 12g) which has at least one nozzle unit (14a –14e; 14g) having at least one nozzle element (16a –16e; 16g; 16h; 106c, 108c, 110c), for discharging at least one medium onto at least one surface (18a), and comprising at least one electronic unit (20a; 20b) at least for controlling and / or regulating the media discharge unit (12a –2e; 12g). According to the invention, at least one nozzle parameter of the nozzle element (16a –16e; 16g; 16h; 106c, 108c, 110c) can be set and / or adjusted and / or the nozzle unit (14g) is formed as an oscillation nozzle unit, in particular as a piezo nozzle unit.

Description

State of the art

[0001] A media application device has already been proposed with at least one media dispensing unit, which has at least one nozzle unit with at least one nozzle element, for dispensing at least one medium onto at least one surface and with at least one electronic unit at least for controlling and / or regulating the media dispensing unit. Disclosure of the invention

[0002] The invention is based on a media application device, in particular a paint application device, with at least one media output unit which has at least one nozzle unit with at least one nozzle element for outputting at least one medium onto at least one surface and with at least one electronic unit at least for controlling and / or regulating the media output unit.

[0003] It is proposed that at least one nozzle parameter of the nozzle element be adjustable and / or adjustable, and / or that the nozzle unit be designed as an oscillation nozzle unit, in particular as a piezo nozzle unit. Preferably, at least one nozzle parameter of the nozzle element is automatically adjustable and / or adjustable, in particular depending on parameters detected by a detection device.

[0004] The media application device is preferably designed as a paint application device. The media application device is preferably designed as a handheld media application device. Alternatively, it is conceivable for the media application device to be movable automatically and / or autonomously. The media application device is preferably intended for the creation of murals, in particular point-based murals. The media application device can preferably be intended for other applications, for example, for the creation of panel paintings and / or window paintings, for marking boreholes and / or pipe routing, and for other applications deemed appropriate by a person skilled in the art. "Intended" is to be understood in particular as specifically programmed, designed, and / or equipped.The fact that an object is intended for a specific function should be understood in particular to mean that the object fulfils and / or executes this specific function in at least one application and / or operating state.

[0005] The media dispensing unit is preferably provided for dispensing a medium onto a surface, in particular for spraying it onto a surface. In particular, the surface can be designed as a wall, a blackboard, a window, a canvas, wallpaper, a wooden surface, or any other surface deemed appropriate by a person skilled in the art. In particular, the medium can be dispensed onto the surface through the nozzle element. The nozzle element is preferably shaped such that the medium can be applied to the surface in a point-like manner. The nozzle element is preferably arranged adjustably, in particular rotatably, on a housing of the media application device. Alternatively or additionally, it is conceivable for the size of a cross-section of a nozzle outlet opening of the nozzle element to be adjustable.In particular, by adjusting the nozzle element, a media output direction of the nozzle element onto the surface and / or a shape or diameter of a media application point applied by the nozzle element on the surface can be changed. Preferably, with a standard orientation of the nozzle element, the media output direction of the nozzle element is at least substantially aligned with a reference element of the media application device, such as a light element, a radio transmitter, a code element, or the like. Preferably, a position and / or orientation of the media application device relative to the surface can be detected using the reference element of the media application device, in particular by an external unit.In particular, the nozzle element can be adjusted such that the media output direction of the nozzle element is aligned at an angle to an alignment with the reference element of the media application device. Preferably, such an adjustment of the nozzle element can produce sharp edges of a media application. Preferably, the nozzle element has at least one adjustable and / or adjustable nozzle parameter. The nozzle parameter can be configured, in particular, as an orientation of the nozzle element, as a media output pressure of the nozzle element, as a media output quantity of the nozzle element, as a size of a cross-section of a nozzle outlet opening of the nozzle element, or as another nozzle parameter that appears appropriate to a person skilled in the art. Preferably, the nozzle parameter is user-adjustable and / or adjustable.For example, it is conceivable for the user to adjust the media output pressure of the nozzle element depending on the distance at which the media output unit is guided to the surface. In principle, it is conceivable for the nozzle unit to have a plurality of nozzle elements. In particular, the nozzle elements can be arranged next to one another, in particular along an imaginary straight line, on the housing of the media application device. Preferably, the nozzle elements have the same media output directions for outputting the medium onto the surface. Preferably, with a plurality of nozzle elements, a plurality of media application points can be applied to the surface simultaneously. Preferably, a media application process can be accelerated by a plurality of nozzle elements compared to using a single nozzle element.The media application process is designed in particular as a process in which the user applies the medium to the surface by means of the media application device in order to create a media application.

[0006] The medium is preferably at least partially designed as a liquid medium. In particular, the medium can be provided for spray application. The medium is preferably designed as a paint medium, for example as a spray paint, as an emulsion paint, as an acrylic paint, as an acrylic lacquer, or the like. Alternatively, it is conceivable for the medium to be designed as spray chalk, a spray film, or as another medium deemed appropriate by a person skilled in the art. The medium can preferably be contained in a container. In particular, the media application device can have a connection and / or fastening unit for connecting and / or fastening a container containing the medium. The container can in particular be designed as a cartridge, as a tank, as a bottle, as a spray can, or as another container deemed appropriate by a person skilled in the art.Alternatively, it is conceivable for the media application device to have an integrated container for directly receiving the medium. The medium can preferably be supplied to the media output unit by means of a line element. The line element is preferably connectable to the container, in particular connectable in such a way that a medium received in the container can be supplied to the nozzle element. Preferably, the medium can be supplied to the nozzle element, in particular through the line element, for example by means of compressed air from a compressed air unit or the like. The compressed air unit can in particular be integrated into the media application device or designed as an external compressed air unit. The compressed air unit can, for example, be designed as a compressed air compressor or the like. Alternatively or additionally, it is conceivable for the nozzle unit to have at least one valve element, in particular connected to the nozzle element.In particular, by means of the valve element of the nozzle unit, an inflow of a medium to the nozzle element can be regulated and / or an output pressure of the medium can be adjusted.

[0007] An "electronic unit" is understood, in particular, to be a unit with at least one control electronics unit. "Control electronics" is understood, in particular, to be a unit with a processor unit and a memory unit, as well as with an operating program stored in the memory unit. The electronic unit can preferably control and / or regulate a plurality of parameters of the media output unit. The electronic unit can preferably control and / or regulate the success of a media output, the duration of a media output, and other parameters deemed appropriate by a person skilled in the art. The electronic unit can preferably control and / or regulate the media output unit depending on other parameters and / or characteristics. The electronic unit can preferably be connected to the media output unit, in particular electrically connected, for controlling and / or regulating the media output unit.

[0008] The nozzle unit designed as an oscillation nozzle unit is particularly intended to discharge a medium through an oscillation membrane of the nozzle unit that is excited to oscillate. A nozzle unit designed as a piezo nozzle unit preferably has at least one piezo crystal that is intended to excite the oscillation membrane of the nozzle unit to oscillate. The nozzle unit is preferably designed as an ultrasonic nozzle unit, wherein the oscillation membrane of the nozzle unit can be excited, in particular, to oscillate in an ultrasonic frequency range. The nozzle unit designed as an oscillation nozzle unit is preferably arranged at least in sections on the container for receiving a medium. The nozzle unit designed as an oscillation nozzle unit, in particular the oscillation membrane of the nozzle unit, preferably forms a side wall of the container for receiving a medium, at least in sections.The nozzle unit designed as an oscillation nozzle unit is particularly intended to dispense a plurality of different media, such as lubricants, window defrosters, spray adhesives, mold removers, insect repellent, visibility spray, AdBlue, care products, cleaning agents, coolants, water, gravy or the like.

[0009] Preferably, the nozzle unit designed as an oscillation nozzle unit is provided for dispensing a medium in order to at least partially atomize the medium. Preferably, the media application device comprising the nozzle unit designed as an oscillation nozzle unit is provided for generating a spray pattern, for example by dispensing spray paint. However, it is also conceivable for the media application device to be used in a vehicle, wherein the oscillation nozzle unit is provided, for example, for dispensing AdBlue for exhaust gas aftertreatment, for dispensing cleaning agent in an interior of the vehicle or the like, or for the media application device to be used in a household appliance, for example in a refrigerator, a coffee machine, an oven, a robot mop or a shower head.A water tap is provided, wherein the oscillation nozzle unit is provided, for example, for automatically dispensing cleaning agent, water mist, gravy, or the like, or that the media application device is provided for use on a machine tool, wherein the oscillation nozzle unit is provided, for example, for dispensing coolant, lubricant, or the like.

[0010] The inventive design of the media application device advantageously allows a nozzle parameter of the nozzle element to be set and / or adjusted. Nozzle parameters of the nozzle element can advantageously be optimized for different application situations of the media application device. Advantageously, the media application device can be used in various application situations to create a media application. Advantageously, a media output optimized for a specific application, in particular advantageously precise, can be enabled.

[0011] Furthermore, it is proposed that the electronic unit is provided to automatically set and / or adjust the nozzle parameter. In particular, the electronic unit is provided to set the nozzle parameter as a function of further parameters. Preferably, the electronic unit can adjust the media output pressure of the nozzle element as a function of a distance of the media output unit relative to the surface. In particular, the media application device can have a distance sensor unit, such as a lidar device, a radar device, or the like, which is preferably provided to detect the distance of the media output unit relative to the surface. Preferably, the distance sensor unit can transmit a signal, in particular an electrical signal, to the electronic unit regarding the distance of the media output unit relative to the surface.Alternatively, it is conceivable for the electronic unit to receive a signal about the distance of the media dispensing unit relative to the surface from another unit, in particular one formed externally of the media application device. The media dispensing unit can preferably have a drive, such as a servomotor or the like. In particular, the electronic unit can control the servomotor to automatically set and / or adjust the orientation of the nozzle element. Setting and / or adjusting the nozzle parameter can advantageously be relieved of the user. This can advantageously relieve the user of the burden during a media application process. A convenient media application process can advantageously be enabled.

[0012] It is also proposed that the media application device comprise at least one cleaning and / or contamination prevention unit, which has at least one cleaning function for the media dispensing unit and / or which is at least intended to prevent contamination of an environment surrounding the media dispensing unit. The cleaning and / or contamination prevention unit is preferably connected to the media dispensing unit, in particular to the nozzle unit of the media dispensing unit, and / or integrated into the media dispensing unit. The cleaning and / or contamination prevention unit preferably has at least one function for cleaning the media dispensing unit, in particular for removing media residues. The cleaning and / or contamination prevention unit preferably has a plurality of cleaning functions.In particular, the cleaning and / or contamination prevention unit comprises, in particular for providing the plurality of cleaning functions, at least one subunit and / or one element, preferably a plurality of subunits and / or elements. The cleaning function can preferably be implemented as a rinsing of the nozzle element and / or the valve element with a cleaning medium, in particular with a cleaning fluid, as a blowing-free process for the nozzle element and / or the valve element, as a wiping process for the nozzle element, as a mechanical scraping process for the nozzle element and / or the valve element, as a removal of media residues by vibration of the nozzle element and / or the valve element, or as another cleaning function deemed appropriate by a person skilled in the art.

[0013] The environment surrounding the media dispensing unit preferably comprises the surface, in particular areas of the surface which are not intended for a media application, and further, in particular stationary, objects surrounding the media dispensing unit. In particular, when the media dispensing unit is used in an interior space, objects arranged in the interior space, such as pieces of furniture, walls, doors or the like, can form the environment surrounding the media dispensing unit. In particular, when the media dispensing unit is used in an outdoor space, objects arranged in the outdoor space, such as trees, houses or the like, can form the environment surrounding the media dispensing unit.Preferably, the cleaning and / or contamination prevention unit is provided to at least substantially prevent media output by the media output unit into areas of the environment surrounding the media output unit that are not intended for a media application. In particular, the cleaning and / or contamination prevention unit is provided to influence media output by the media output unit in such a way that contamination of the environment surrounding the media output unit, in particular by the medium, is avoided. In particular, the cleaning and / or contamination prevention unit has at least one subunit and / or one element, preferably a plurality of subunits and / or elements, to prevent contamination of the environment surrounding the media output unit.Preferably, the cleaning and / or contamination prevention unit prevents contamination of the environment surrounding the media dispensing unit by sucking the medium off the nozzle element, by deflecting the medium, by collecting the medium, by draining the medium, for example by means of a channel or the like, by precisely dispensing the medium, by providing a drip guard for the nozzle element, or in any other manner deemed appropriate by a person skilled in the art.

[0014] Preferably, the nozzle unit configured as an oscillation nozzle unit is operatively connected to the cleaning and / or contamination prevention unit or at least partially forms the cleaning and / or contamination prevention unit. The cleaning and / or contamination prevention unit is provided, in particular, for cleaning the oscillation membrane, in particular a plurality of media passage openings of the oscillation membrane.

[0015] The inventive design of the media application device advantageously allows a media dispensing unit to be cleaned. Clogging and / or drying out of a valve element and / or a nozzle element can advantageously be prevented. A media application device with a long service life and low maintenance requirements can advantageously be provided. A high level of user comfort can advantageously be achieved. Contamination of the environment surrounding the media dispensing unit can advantageously be avoided. A media application process that is at least substantially free of cleaning requirements can advantageously be enabled.

[0016] Furthermore, it is proposed that the cleaning and / or contamination prevention unit comprise at least one cleaning element, which is provided for cleaning the nozzle element and / or a valve element of the nozzle unit. The cleaning element is preferably arranged on the nozzle element and / or on the valve element. Alternatively, it is conceivable for the cleaning element to be arranged outside the media dispensing unit, for example in a cleaning station or the like. The cleaning element is preferably provided for cleaning the nozzle element and / or the valve element using a cleaning fluid. The cleaning fluid can in particular be designed as a cleaning liquid, as compressed air, or as another cleaning fluid that appears appropriate to a person skilled in the art.Alternatively, it is conceivable that the cleaning element is designed to clean the nozzle element and / or the valve element using ultrasound, mechanical action, or another method deemed appropriate by a person skilled in the art. Advantageously, a nozzle element and / or a valve element can be cleaned. Advantageously, clogging and / or drying out of the valve element and / or the nozzle element can be prevented.

[0017] It is further proposed that the cleaning and / or contamination prevention unit has at least one reservoir unit for receiving at least one cleaning fluid and / or one cleaning fluid unit. The reservoir unit is preferably designed as a tank, in particular one that is at least substantially fluid-tight. The reservoir unit preferably comprises a filling element, in particular a sealable one, through which the reservoir unit can preferably be filled with the cleaning fluid. Alternatively or additionally, it is conceivable for the reservoir unit to comprise at least one receiving element for receiving at least one cleaning fluid unit. The cleaning fluid unit can in particular be designed as a container that contains the cleaning fluid.Preferably, the cleaning fluid unit, in particular an empty cleaning fluid unit, is removable from the reservoir unit and replaceable with a new, in particular filled, cleaning fluid unit. The receiving element can preferably be designed as a screw cap, a click closure, a snap closure, or another receiving element deemed appropriate by a person skilled in the art. Preferably, the reservoir unit is connected to the cleaning element and / or the nozzle unit, in particular for providing the cleaning fluid. Advantageously, a cleaning fluid, in particular for cleaning a media dispensing unit, can be received and provided.

[0018] It is further proposed that the media application device comprise at least one cleaning and / or contamination prevention unit, in particular the aforementioned cleaning and / or contamination prevention unit, which has at least one vacuum unit for conveying a cleaning fluid opposite to a media application direction. Preferably, the vacuum unit, in particular for conveying the cleaning fluid, is connected to the reservoir unit and / or to the cleaning element. Preferably, the vacuum unit is provided for conveying the cleaning fluid at least from the reservoir unit to the cleaning element. In particular, the vacuum unit is provided for conveying the cleaning fluid to generate a vacuum. Preferably, the cleaning fluid is sucked out of the reservoir unit by the vacuum.The vacuum unit is preferably designed as a pump or as another vacuum unit deemed appropriate by a person skilled in the art. The media application direction corresponds in particular to a direction in which media is discharged through the nozzle element, in particular onto the surface. The cleaning fluid is preferably conveyed by the vacuum unit and in particular via the cleaning element, opposite to the media application direction, through the nozzle element and / or the valve element. Media residues can advantageously be conveyed out of the nozzle element and / or the valve element. Clogging and / or drying out of the nozzle element and / or the valve element can advantageously be prevented.

[0019] It is further proposed that the nozzle unit be designed as a revolver nozzle unit, in particular for cleaning the nozzle element and / or a valve element of the nozzle unit by means of the cleaning and / or contamination prevention unit. The revolver nozzle unit preferably comprises a plurality of nozzle elements. It is also conceivable for the revolver nozzle unit to have a plurality of valve elements. The revolver nozzle unit can preferably have a plurality of differently designed nozzle elements and / or valve elements, in particular for flexible application of the revolver nozzle unit. The nozzle elements can differ in particular by a diameter of a nozzle opening of the nozzle elements, by a shape of the nozzle opening, by a size of the nozzle elements, by a shape of the nozzle elements and / or by further features of the nozzle elements that appear appropriate to a person skilled in the art.The valve elements can differ in particular in terms of a volume of the valve elements, a length of the valve elements, an actuating mechanism of the valve elements and / or other features of the valve elements that appear useful to a person skilled in the art. Preferably, by a movement, in particular a rotation, of the revolver nozzle unit, at least one nozzle element and / or valve element can be transferred into a working position and, at the same time, at least one further nozzle element and / or valve element can be transferred into a cleaning position. In the working position, the nozzle element is provided in particular for dispensing media. In the cleaning position, the nozzle element is provided in particular for cleaning, preferably by the cleaning element. Preferably, media can be dispensed through at least one nozzle element, while at the same time at least one further valve element and / or nozzle element is cleaned.This advantageously eliminates the need to interrupt a media application process to clean a valve element and / or a nozzle element. This advantageously enables a faster and more efficient media application process than without a revolver nozzle unit. This advantageously achieves a high level of user comfort.

[0020] Furthermore, it is proposed that the cleaning and / or contamination prevention unit has at least one actuator element, at least one plunger element, and at least one membrane element for discharging the medium through the nozzle element. The actuator element is preferably operatively connected to the plunger element. The plunger element is preferably operatively connected to the membrane element. At least the membrane element is preferably arranged on the valve element. In particular, the medium located in the valve element can be compressed by means of a movement of the membrane element. The medium can preferably be pressed through the nozzle element and, in particular, discharged due to compression. The membrane element is preferably excited to move by a movement of the plunger element. The plunger element is preferably excited to move by the actuator element.The actuator element can be designed, in particular, as a magnetic actuator, an eddy current actuator, a piezo actuator, or any other actuator element deemed appropriate by a person skilled in the art. The actuator element is preferably controlled and / or regulated by the electronics unit. Controlled media output can advantageously be achieved through the nozzle element. Clogging and / or drying out of the nozzle element and / or the valve element can advantageously be prevented, in particular due to the design of the cleaning and / or contamination prevention unit.

[0021] It is further proposed that the nozzle unit comprise at least one oscillation membrane for dispensing a medium and at least one excitation element for oscillatingly exciting the oscillation membrane, in particular in an ultrasonic frequency range. The oscillation membrane is preferably at least partially elastic, in particular excitable to oscillate. The oscillation membrane preferably comprises a plurality of media passage openings through which a medium can be discharged. The media passage openings are in particular designed as a perforation or hole in the oscillation membrane. The oscillation membrane is in particular designed as an ultrasonic membrane, preferably as an ultrasonic plate. The oscillation membrane in particular forms at least substantially a nozzle element of the nozzle unit designed as an oscillation nozzle unit.The oscillation membrane is preferably circular in shape, viewed in a main plane of extension of the oscillation membrane. Alternatively, it is conceivable that the oscillation membrane, viewed in a main plane of extension of the oscillation membrane, is elliptical, polygonal, for example, square or triangular, or similar. A "main plane of extension" of an object is understood in particular to be a plane that is parallel to a largest side surface of a smallest imaginary cuboid that just completely encloses the object, and in particular, runs through the center of the cuboid.

[0022] The excitation element is preferably arranged on the oscillation membrane, in particular operatively connected to the oscillation membrane. The excitation element is preferably designed to excite the oscillation membrane to oscillate at least substantially perpendicular to the main plane of extension of the oscillation membrane.The oscillation membrane and the excitation element are preferably designed such that, as a result of excitation transversely to the main extension plane of the oscillation membrane, the oscillation membrane contacts a media transport element of the media output unit, which is intended to transport a medium from a container for receiving a medium to the oscillation membrane. The media transport element receives a portion of a medium from the media transport element and, through a subsequent movement of the oscillation membrane in a direction facing away from the container for receiving a medium, discharges the medium through the media passage openings, in particular by ejecting it. The media transport element can, in particular, be designed to be absorbent and function according to a wick principle or a sponge principle.Alternatively, it is conceivable that the media output unit is designed free of a media transport element and that the oscillation membrane and the excitation element are designed such that the oscillation membrane, as a result of an excitation, extends at least partially into a medium transversely to the main extension plane of the oscillation membrane, for example within the container for receiving the medium, on which the oscillation membrane is arranged, thereby receiving part of the medium and, by a subsequent movement of the oscillation membrane in a direction facing away from the container, outputs the medium through the media passage openings, in particular ejects it.

[0023] The nozzle unit designed as an oscillation nozzle unit is intended in particular for dispensing, in particular printing, media application points at an output frequency of at least 50 media application points per second, preferably at an output frequency of at least 100 media application points per second, and particularly preferably at an output frequency of at least 200 media application points per second. The excitation element is intended in particular for oscillating excitation of the oscillation membrane at an excitation frequency of at least 1 kHz, preferably at an excitation frequency of at least 16 kHz, particularly preferably at an excitation frequency of at least 20 kHz, and very particularly preferably at an excitation frequency of at least 130 kHz. In particular, the excitation element is intended for oscillating excitation of the oscillation membrane at an excitation frequency of at most 200 kHz.Preferably, the excitation element is provided for oscillating excitation of the oscillation membrane with a predetermined, preferably adjustable, waveform, for example with a sine waveform, a triangular waveform, a sawtooth waveform, or another waveform deemed appropriate by a person skilled in the art. Preferably, a desired excitation frequency and / or waveform can be specified for the excitation element by the electronics unit of the media application device, in particular by applying an electrical voltage to the excitation element. Preferably, the excitation element is designed as a piezoelectric crystal. In particular, a piezoelectric crystal changes its shape upon application of an electrical voltage to the piezoelectric crystal, which leads to oscillation of the oscillation membrane, in particular through a mechanical coupling of the piezoelectric crystal to the oscillation membrane.Alternatively, it is conceivable that the excitation element could be designed as a MEMS actuator (micro-electromechanical system actuator), an ultrasonic converter, or another excitation element deemed appropriate by a person skilled in the art. This can advantageously enable precisely controlled media output.

[0024] It is also proposed that the excitation element be arranged at least substantially annularly on the oscillation membrane along at least substantially the entire maximum circumference of the oscillation membrane. In particular, the excitation element is arranged at least substantially annularly on the oscillation membrane along at least 60% of the maximum circumference of the oscillation membrane, preferably along at least 75% of the maximum circumference of the oscillation membrane, particularly preferably along at least 90% of the maximum circumference of the oscillation membrane, and very particularly preferably along the entire maximum circumference of the oscillation membrane. Preferably, the excitation element is mechanically coupled to the oscillation membrane along at least substantially the entire maximum circumference of the oscillation membrane.In particular, the oscillation membrane is attached to the excitation element along at least substantially the entire maximum circumference of the oscillation membrane. The excitation element preferably limits the extent of the oscillation membrane in the main extension plane of the oscillation membrane. The excitation element is preferably designed as a piezoelectric ring. Alternatively, it is conceivable for the excitation element to be designed as a MEMS ring or the like. Advantageously, a compact nozzle unit can be provided, which advantageously enables uniform excitation of the oscillation membrane. Advantageously, precise media output of consistent quality can be enabled.

[0025] Furthermore, it is proposed that the oscillation membrane have at least one perforation grid of media passage openings, which is designed such that media application dots with a maximum diameter greater than 1 mm can be generated by means of the nozzle unit. In particular, the perforation grid of media passage openings is designed such that media application dots with a maximum diameter greater than 1 mm can be printed by means of the nozzle unit.In particular, the oscillation membrane has at least one perforation grid of media passage openings, which is designed such that media application points having a maximum diameter greater than 1 mm can be generated by means of the nozzle unit at a distance of the nozzle unit of at most 50 cm from a surface onto which media is dispensed, preferably at a distance of the nozzle unit of at most 35 cm from the surface, particularly preferably at a distance of the nozzle unit of at most 20 cm from the surface, and very particularly preferably at a distance of the nozzle unit of at most 10 cm from the surface. In particular, for printing media application points, the nozzle unit has a distance of at most 1 cm from a surface to be printed, preferably of at most 5 mm from a surface to be printed, and particularly preferably of at most 3 mm from a surface to be printed.The perforation grid is particularly designed as a region of the oscillation membrane in which the media passage openings are arranged. The perforation grid can preferably have different shapes, particularly depending on the shape of the media application points to be generated. The perforation grid is preferably circular, elliptical, oval, polygonal, for example square, hexagonal, rhombic, triangular or trapezoidal, semicircular, or the like. Alternatively or additionally, it is conceivable for the perforation grid to form a motif, such as a seasonal motif, an animal shape, a portrait of a person, a company logo, or the like. The perforation grid is preferably arranged in a central region of the oscillation membrane. The central region of the oscillation membrane is, in particular, a region around a center point, particularly in the main extension plane of the oscillation membrane.

[0026] The media passage openings preferably have diameters that are at least three times as large as a maximum particle size of a medium to be dispensed. The media passage openings preferably extend through the oscillation membrane at least substantially perpendicular to the main extension plane of the oscillation membrane. In particular, the media passage openings are cylindrical, frustoconical, or the like. In particular, the media passage openings are arranged equidistant from one another. In particular, the oscillation membrane has a density of media passage openings of at least 1 media passage opening per mm 2 , preferably of at least 5 media passage openings per mm 2 , particularly preferably of at least 10 media passage openings per mm 2 , and very particularly preferably of at least 20 media passage openings per mm 2 .In particular, a nozzle unit provided for spraying and / or atomizing a medium can preferably comprise an oscillation membrane having a density of media passage openings of at least 80 media passage openings per mm². In particular, the oscillation membrane has at least 50 media passage openings, preferably at least 75 media passage openings, and particularly preferably at least 100 media passage openings. In particular, the oscillation membrane has a maximum diameter of at least 1 mm, preferably at least 2 mm, and particularly preferably at least 3 mm. The oscillation membrane is preferably provided for dispensing water-based paints, in particular water-based acrylic paints. In particular, the media application device can have at least one mixer unit and / or a chamber system for adjusting a mixing ratio of paint to water.Preferably, the cleaning and / or contamination prevention unit is provided to clean the media passage openings, in particular to flush, blow, or similarly clear the media passage openings in the event of a blockage. Advantageously, a flexibly adaptable and large-area media application can be enabled.

[0027] It is further proposed that the media application device comprise at least one mixer unit, in particular one operatively connected to the cleaning and / or contamination prevention unit, which is provided for mixing at least two different media. It is conceivable that the media application device, in order to achieve the object according to the invention, is designed independently of the cleaning and / or contamination prevention unit in an alternative embodiment. Preferably, the media application device in the alternative embodiment, in particular in the embodiment designed independently of the cleaning and / or contamination prevention unit, comprises at least the mixer unit, which is provided for mixing at least two different media. Preferably, the cleaning and / or contamination prevention unit is provided for cleaning the mixer unit.The mixer unit preferably has at least one mixing chamber in which the at least two different media are mixed. The mixing chamber is preferably connected to a plurality of containers, preferably to all of them, containing different media. The different media can preferably be conveyed from the containers into the mixing chamber. The mixer unit preferably has at least one metering element, preferably a number of metering elements corresponding to a number of different media, for metering an inflow of the different media into the mixing chamber. In particular, the mixer unit can have at least one mixer element, such as a stirrer or the like. The mixer element is preferably arranged in the mixing chamber. The mixer element is provided in particular for mixing the different media.Preferably, when the various media are configured as different colors from a few primary colors, especially from four primary colors, all colors can be mixed by the mixing unit. Advantageously, different media can be mixed automatically. Advantageously, a diverse media output can be enabled. Advantageously, a high level of user comfort can be achieved.

[0028] It is further proposed that the cleaning and / or contamination prevention unit have at least one media supply unit, which is intended to supply the medium to the media output unit, in particular under an overpressure. The overpressure is preferably designed as a pressure which is higher than an ambient pressure, in particular an air pressure, of the environment surrounding the media output unit. The overpressure is in particular designed as a pressure which is higher than a pressure prevailing in an empty valve element. Preferably, the media supply unit has a media supply element, such as a hose, a pipe or the like, for supplying the medium to the media output unit. In particular, the media supply element is connected, in particular to a line of the medium, to the mixer unit, in particular to the mixing chamber of the mixer unit, and / or to at least one container containing the medium.In particular, the media supply element is connected to the media output unit, in particular to the nozzle element and / or the valve element. The media supply unit preferably has at least one media conveying element, such as a pump or the like, for conveying the medium. In particular, the media conveying element is arranged on the media supply element. Preferably, the media conveying element is provided to generate an overpressure, which presses the medium, in particular, from the mixing chamber of the mixer unit, out of the nozzle element and / or into the valve element. The medium is preferably discharged through the nozzle element by the overpressure. Advantageously, the medium can be supplied to the media output unit, in particular under an overpressure. Advantageously, clogging and / or drying out of the valve element and / or the nozzle element can be prevented.

[0029] It is also proposed that the cleaning and / or contamination prevention unit comprise at least one media return unit, which is provided to receive at least a portion of the medium, at least during a media application process, and to supply it to the mixer unit and / or the media dispensing unit. The media application process is designed, in particular, as a process in which the user applies the medium to the surface by means of the media application device to create a media application. Preferably, the media return unit is provided to receive a portion of the medium that is surplus for a media application and to supply it to the mixer unit and / or the media dispensing unit. In particular, the media return unit comprises at least one collecting element for receiving, in particular for collecting, a portion of the medium.In particular, the media return unit has at least one return element for returning the portion of the medium to the mixer unit and / or the media dispensing unit. In particular, the collecting element and the return element are connected to one another, preferably formed as a single piece. The return element is preferably connected to the mixing chamber of the mixer unit, to the nozzle element, and / or to the valve element. The collecting element is preferably arranged behind the nozzle element, viewed in the media application direction, in particular at least partially in a trajectory path of the medium after dispensing from the nozzle element. In particular, operation of the media dispensing unit according to the continuous ink jet process is conceivable.Preferably, when the media dispensing unit is operated according to the continuous ink jet method, individual media droplets, in particular electrostatically charged by means of a charging electrode of the media dispensing unit, are dispensed through the nozzle element. In particular, the media droplets are deflected to a specific position on the surface by means of at least one deflection electrode of the media dispensing unit. In particular, excess media droplets and / or media droplets that have been deflected too far can be collected by the collecting element and fed to the mixer unit and / or the media dispensing unit by the return element. Advantageously, a portion of the medium can be reused. Advantageously, contamination of the environment surrounding the media dispensing unit by excess medium can be avoided.

[0030] Furthermore, it is proposed that the cleaning and / or contamination prevention unit comprise at least one deflection unit, which is provided for deflecting at least a portion of the medium, at least during a media application process. The deflection unit is preferably provided for deflecting at least a portion of the dispensed medium from a trajectory path of the medium, which is predetermined in particular by an orientation and a dispensing pressure of the nozzle element. In particular, the deflection unit comprises at least one deflection element, which is provided for deflecting at least a portion of the medium. The deflection element can preferably be designed as a direct or indirect deflection element. A direct deflection element, in particular, comes into direct contact with the medium to be deflected.The direct deflection element can be designed, in particular, as a wall, as a curtain, or as another direct deflection element that appears appropriate to a person skilled in the art, which element can in particular be moved at least partially into the trajectory path of the medium. An indirect deflection element generates, in particular, a force to deflect the medium. The indirect deflection element can be designed, in particular, as an air nozzle to generate an air curtain, as a magnet, in particular an electromagnet, to generate a magnetic field, as an electrode to generate an electric field, or as another indirect deflection element that appears appropriate to a person skilled in the art. The deflection unit preferably has a further collecting element for receiving the deflected medium and a further return element for returning the deflected medium to the media output unit and / or the mixer unit.Alternatively, it is conceivable that the collection element of the media return unit could be used to collect the deflected medium, and the return element of the media return unit could be used to return the deflected medium to the mixer unit and / or the media output unit. Advantageously, the medium can be deflected. Contamination of the environment surrounding the media output unit can be advantageously avoided.

[0031] It is further proposed that at least the nozzle unit, the cleaning element, the reservoir unit, the mixer unit, the media supply unit, the media return unit, and / or the deflection unit have / have a dirt-repellent coating. Preferably, the nozzle unit, in particular the nozzle element and the valve element of the nozzle unit, as well as the cleaning element, the reservoir unit, the mixer unit, in particular the mixing chamber of the mixer unit, as well as the media supply unit, in particular the media supply element and the media conveying element of the media supply unit, as well as the media return unit, in particular the collecting element and the return element of the media return unit, as well as the deflection unit, in particular the deflection element, the further collecting element, and the further return element of the deflection unit, have the dirt-repellent coating.The dirt-repellent coating is preferably designed as a nanostructured coating, for example, based on the lotus principle, or as another dirt-repellent coating deemed appropriate by a person skilled in the art. This can advantageously facilitate cleaning of the media application device. This can also result in a high level of user comfort.

[0032] It is further proposed that the media application device comprise at least one operating unit and / or one operating function, wherein the operating unit and / or the operating function are intended to control and / or regulate at least one function of the media application device. The following embodiments of the operating unit and / or the operating function are particularly conceivable, although the list is not exhaustive: The operating unit is preferably designed as a switching element, for example as an on / off switch, a nozzle actuation switch, a button, a touch switch, a physical switch for disconnecting a current, or the like, and is ergonomically arranged within a grasping range of a user's thumb. The operating unit is preferably designed as an output unit. The operating unit and / or the operating function are / is preferably intended for the free dispensing of individual dots without restriction. The operating unit is preferably designed as a safety operating element and / or the operating function as a safety operating function, for example as a switch-on lock, continuous actuation function, or the like. The operating unit is particularly designed as a reset operating element and / or the operating function as a reset activation function in order to trigger a restart of a system, in particular an operating system of the media application device.The operating unit is preferably designed as a Bluetooth operating element and / or the operating function as a Bluetooth activation function. Also conceivable is a radio connection pairing operating element and / or a radio connection pairing function, provided for establishing a connection between the media application device and a camera and / or a computer unit. The operating unit and / or the operating function are / is provided in particular for controlling the dispensing of a mixed color in stages and / or continuously from two or more colors. The operating unit and / or the operating function are / is preferably provided for controlling the dilution of color in stages and / or continuously by means of one or more color thinners. A cleaning activation operating element and / or a cleaning activation function is preferably provided. The operating unit can preferably be designed as a haptic element.The haptic element is preferably designed as a vibration element. The haptic element can be positioned differently on the device, in particular on the housing of the media application device. Preferably, several haptic elements can be positioned on the device, in particular on the housing of the media application device, which can also be used individually.

[0033] It is also proposed that the control unit and / or the control function is / are intended to apply at least one individual point once at a specific position.

[0034] Furthermore, it is proposed that the operating unit and / or the operating function are / is intended to repeatedly apply at least one individual point to a specific position. The operating unit and / or the operating function are / is intended, in particular, to repeatedly apply individual points to a specific position.

[0035] It is further proposed that the operating unit and / or the operating function are / is provided for the stepped or continuous control of a desired variable of at least one individual point.

[0036] It is further proposed that the media application device comprise at least one operating unit and / or one operating function, in particular the aforementioned operating unit and / or the aforementioned operating function, wherein the operating unit and / or the operating function are / is provided for the stepped or continuous control of a gray value or a color intensity of at least one individual dot. The operating unit and / or the operating function are / is preferably provided for activating or deactivating an automatic control of a spray pattern, in particular dot sizes and / or gray levels.

[0037] It is also proposed that the control unit and / or the control function is / are provided for the automatic control of at least one working mode.

[0038] Furthermore, it is proposed that the operating unit and / or the operating function is / are provided for controlling at least one display. The operating unit and / or the operating function is / are provided in particular for controlling a view of a display, in particular a display for displaying a work position on a color plane against a background of a work area.

[0039] It is further proposed that the operating unit and / or the operating function is / are provided for controlling at least one lighting unit. The operating unit is / are designed, in particular, as a lighting control element and / or the operating function as a lighting control function.

[0040] It is further proposed that the operating unit and / or the operating function be provided for voice or gesture control. The media application device can also be controlled, in particular, via voice and / or gesture control.

[0041] Furthermore, the invention is based on a method for operating a media application device, in particular a media application device according to the invention.

[0042] It is proposed that, in particular in at least one method step, at least one nozzle element and / or at least one valve element be cleaned. Advantageously, the nozzle element and / or the valve element can be cleaned. Advantageously, clogging and / or drying out of the valve element and / or the nozzle element can be prevented.

[0043] Furthermore, the invention is based on an application system with at least one media application device, in particular with at least one media application device according to the invention, and with at least one control and / or regulating unit.

[0044] It is proposed that the control and / or regulating unit comprise at least one detection device designed to detect at least one position and / or orientation of the media application device relative to at least one surface, and that at least one electronic unit of the media application device is designed to control and / or regulate at least one media output unit of the media application device based on at least one characteristic variable of the detection device. A "control and / or regulating unit" is to be understood in particular as a unit with at least one control electronics unit. The control and / or regulating unit can preferably be designed as an external control and / or regulating unit, which is arranged in particular outside the media application device.In particular, the control and / or regulating unit can be designed as a mobile device, such as a smartphone, a tablet, or another mobile device that appears appropriate to a person skilled in the art. Alternatively or additionally, it is conceivable for the control and / or regulating unit to be integrated into the media application device. In particular, the control and / or regulating unit, in particular the detection device of the control and / or regulating unit, can be arranged in a common housing with the media application device. The detection device is in particular provided to detect at least one position and / or orientation of the media application device relative to the surface, in particular using the reference element of the media application device. To detect the media application device, in particular the reference element of the media application device, the detection device preferably has at least one detection element.The detection element can be designed, in particular, as a camera, an optical sensor, an electromagnetic sensor, an acoustic sensor, or any other detection element deemed appropriate by a person skilled in the art. In particular, the detection device can comprise a plurality of, preferably different, detection elements.

[0045] Preferably, the media application device and the control and / or regulating unit each have at least one, in particular wireless, communication unit for exchanging electronic data with each other and / or with at least one other external unit. The communication unit is in particular intended for data transmission with a latency of less than 30 ms. The communication unit is preferably designed as a Bluetooth unit, as a radio unit, as a light-based communication unit, or as another communication unit that appears appropriate to a person skilled in the art. A light-based communication unit can transmit the electronic data in particular via a third-party device such as a networked lamp or light bulb and / or by modulated light.The light-based communication unit can preferably be designed as a laser diode, in particular as a VCSEL diode (vertical-cavity surface-emitting laser diode). Alternatively, it is conceivable for the communication unit to be wired. The exchange of electronic data can preferably take place via a USB cable, an Ethernet cable, or another cable deemed appropriate by a person skilled in the art. In particular, the communication unit is designed for data transmission with a latency of less than 30 ms, preferably with a latency of less than 20 ms, and particularly preferably with a latency of less than 10 ms. A "latency" is to be understood in particular as the time that elapses between the transmission and receipt of the electronic data.

[0046] In particular, the characteristic of the detection device can be supplied to the electronics unit of the media application device by means of the communication unit. Preferably, a plurality of characteristic variables of the detection device can be supplied to the electronics unit. The characteristic of the detection device is preferably embodied as a characteristic detected by the detection device or as a parameter of the detection device. Preferably, the characteristic detected by the detection device can be embodied as a position of the media application device relative to the surface, as an orientation of the media application device relative to the surface, as a media application on the surface, as a surface quality of the surface, or as another characteristic detected by the detection device that appears appropriate to a person skilled in the art.The parameter of the detection device can preferably be embodied as an orientation, in particular an inclination, of the detection device relative to the surface or as another parameter of the detection device that appears appropriate to a person skilled in the art. Advantageously, a position and / or orientation of the media application device relative to the surface can be detected. Advantageously, the media output unit can be controlled and / or regulated depending on a characteristic of the detection device, in particular depending on the position and / or orientation of the media application device relative to the surface. Advantageously, a controlled media application process can be enabled.

[0047] It is further proposed that the electronic unit be provided to control and / or regulate the media dispensing unit such that at least one medium is dispensed only when the media dispensing unit is oriented at least substantially perpendicularly relative to the surface. The term "substantially perpendicular" is intended here to define, in particular, an orientation of a direction relative to a reference direction, wherein the direction and the reference direction, particularly viewed in a plane, enclose an angle of 90°, and the angle has a maximum deviation of, in particular, less than 8°, advantageously less than 5°, and particularly advantageously less than 2°. Preferably, an orientation, in particular an at least substantially perpendicular orientation, of the media dispensing unit relative to the surface can be detected by the detection device of the control and / or regulating unit.Preferably, a signal about the orientation of the media dispensing unit relative to the surface can be sent to the electronics unit by means of the communication units. Preferably, the electronics unit is provided to send a control signal to the media dispensing unit for opening the nozzle element when the media dispensing unit is oriented at least substantially perpendicularly relative to the surface. Preferably, the electronics unit is provided to send a control signal to the media dispensing unit for closing the nozzle element when the media dispensing unit is oriented relative to the surface in a manner that deviates from an at least substantially perpendicular orientation of the media dispensing unit relative to the surface. Advantageously, media dispensing can be achieved when the media dispensing unit is oriented at least substantially perpendicularly relative to the surface.Advantageously, a precise media application can be achieved.

[0048] It is also proposed that the detection device be provided to detect at least one object-specific characteristic variable, depending on which the electronic unit controls and / or regulates the at least one media output unit. The object-specific characteristic variable is preferably designed as a surface-specific characteristic of the surface to which a media application is being made and / or as an application-specific characteristic of a media application on the surface. The surface-specific characteristic variable can in particular be designed as a material of the surface, as a structure of the surface, as a quality of the surface, as a temperature of the surface, as a humidity of the surface, or as another surface-specific characteristic variable that appears appropriate to a person skilled in the art.The order-specific parameter can be configured, in particular, as a type of medium used to create the media application, as an application thickness of the medium on the surface, as an irregularity in the media application, as an area on the surface covered by the medium, or as another order-specific parameter that appears appropriate to a person skilled in the art. In particular, the detection device can have at least one object sensor element for detecting the object-specific parameter. The object sensor element can preferably be configured as a camera, a lidar device, a laser scanner, a laser thermometer, a thermal imaging camera, an infrared hygrometer, a radar device, an ultrasonic sensor, or as another object sensor element that appears appropriate to a person skilled in the art.Alternatively, it is conceivable that the detection element of the detection device could be used to detect the object-specific characteristic. Advantageously, a media order can be adjusted depending on the object-specific characteristic. Advantageously, a higher quality of the media order can be achieved than without detecting the object-specific characteristic.

[0049] It is further proposed that the detection device is provided to detect at least one area different from other areas of the surface, in which area the electronics unit controls and / or regulates the media output unit in such a way that the medium is not output. In particular, the area different from other areas of the surface can be detected by means of the detection element of the detection device. Preferably, the area different from other areas of the surface can be designed as a door, a window, a light switch or another area different from other areas of the surface that appears appropriate to a person skilled in the art. Preferably, the detection device sends a signal to the electronics unit about a position of the area to be left out when the media order is created.The electronic unit preferably controls and / or regulates the media dispensing unit, particularly when the media dispensing unit is located in the area to be cut out, such that the nozzle element is closed and / or remains closed. Advantageously, media dispensing can be automated only to areas of the surface intended for media application. Advantageously, the user can avoid covering, in particular masking, areas of the surface to be cut out. Advantageously, a convenient media application process can be enabled.

[0050] It is further proposed that the control and / or regulating unit comprise at least one inclination sensor unit, which is provided to detect at least one inclination of the detection device at least relative to the surface and to compensate for the detected inclination. The inclination sensor unit preferably comprises at least one inclination detection element, which is provided to detect an inclination of the detection device relative to the surface. The inclination detection element can in particular be designed as an inclination sensor, as a gyroscope, or as another inclination detection element that appears appropriate to a person skilled in the art. The inclination detection element can preferably detect an orientation of the detection device relative to the surface in several spatial directions.The inclination sensor unit preferably has at least one inclination compensation element designed to compensate for the detected inclination of the detection device relative to the surface. Alternatively, it is conceivable that the detected inclination of the detection device relative to the surface is compensated by a computing unit of the control and / or regulating unit and / or by the electronics unit of the media application device. The inclination compensation element is preferably designed as a microprocessor, as a digital circuit, or as another inclination compensation element that appears appropriate to a person skilled in the art. The inclination compensation element can preferably calculate an offset of a position and / or orientation of the media application device relative to the surface, detected by the inclined detection device, based on the detected inclination of the detection device relative to the surface.In particular, the inclination compensation element can correct a distorted detection of the surface, the media application on the surface, and / or the media application device due to the inclination of the detection device relative to the surface, based on the detected inclination of the detection device relative to the surface by means of a trapezoidal correction, in particular by means of a horizontal and / or vertical trapezoidal correction. Advantageously, an inclination of the detection device relative to the surface can be compensated. Advantageously, correct functioning of the detection device inclined relative to the surface can be ensured.

[0051] It is further proposed that the detection device have at least one computing unit designed to precalculate at least one area on the surface that is contiguous with respect to a media application, in which area the electronic unit controls and / or regulates the media dispensing unit such that at least one nozzle element remains open. A "computing unit" is understood to mean, in particular, a controller with a processor, a memory unit, and / or an operating, control, and / or calculation program stored in the memory unit. In particular, a media application strategy for a media application process can be stored in the memory unit of the computing unit. The media application strategy represents, in particular, a flow chart for a media application process.In particular, the media application strategy comprises information about an output position on the surface, a dot size, and a media type for each media application point of a motif to be applied. In particular, the media application strategy comprises a number of media to be used and a sequence for applying the media to be used. The media application strategy is preferably used to control and / or regulate the media output unit. The area on the surface that is contiguous with regard to the media application can in particular be designed as an area on the surface in which the media application strategy provides for media application of a plurality of media application points of the same media type, in particular at least 10 media application points of the same media type with a distance of the area of ​​at least 5 media application points from an edge of the motif.Preferably, the computing unit can precalculate the contiguous area on the surface with regard to the media application based on the media application strategy. In particular, the computing unit can send a signal to the electronics unit about a position of the contiguous area on the surface. Preferably, the electronics unit can control and / or regulate the media dispensing unit, in particular when the media dispensing unit is positioned in the contiguous area on the surface, such that the nozzle element remains open and media is continuously dispensed onto the surface in the contiguous area on the surface. Advantageously, a faster media application process can be achieved than without a permanent opening of the nozzle element.

[0052] In addition, the invention is based on an application system, in particular an application system according to the invention, with at least one media application device, in particular with at least one media application device according to the invention, and with at least one spray can unit with at least one further nozzle unit, which has at least one further nozzle element and at least one further valve element.

[0053] It is proposed that at least one cleaning and / or contamination prevention unit of the media application device has at least one actuator unit, which is provided for actuating the further valve element to dispense at least one medium through the further nozzle element. It is conceivable that the application system, in addition to the media application device and the spray can unit, has at least one control and / or regulating unit, in particular the aforementioned control and / or regulating unit. The spray can unit is preferably designed as a spray can, which in particular contains the medium. It is also conceivable that the spray can unit contains a dissolved aerosol, in particular for dispensing the medium under excess pressure from the further nozzle element. The spray can unit preferably has at least one further fastening element, such as a clamp closure, a screw closure, a snap closure, or the like.The actuator unit preferably has at least one further plunger element, which is provided for actuating the further valve element. In particular, the further plunger element is operatively connected to the further valve element when the spray can unit is mounted on the media application device. The actuator unit preferably comprises at least one further actuator element for exciting the plunger element. The further actuator element can in particular be designed as a magnetic actuator, as an eddy current actuator, as a piezo actuator, or as another actuator element that appears appropriate to a person skilled in the art. Advantageously, a cost-effective media application device can be provided, since a nozzle unit in the media application device can be dispensed with.Advantageously, an actuator unit can be designed completely separately from a media guide and media output. Contamination of the actuator unit can be advantageously avoided. Advantageously, particularly if another nozzle unit of a spray can unit dries out and / or becomes clogged, the spray can unit can be replaced with a new one, particularly by a user.

[0054] Furthermore, the invention is based on an application system, in particular an application system according to the invention, with at least one media application device, in particular with at least one media application device according to the invention, and with at least one interchangeable reservoir device that can be coupled to the media application device for receiving at least one medium.

[0055] It is proposed that the interchangeable reservoir device have at least one oscillation membrane for dispensing the medium, wherein the oscillation membrane can be excited to vibrate by means of at least one excitation element of the interchangeable reservoir device and / or the media application device, in particular in an ultrasonic frequency range. It is conceivable that the application system, in addition to the media application device and the interchangeable reservoir device, has at least one control and / or regulating unit, in particular the aforementioned control and / or regulating unit. In particular, the interchangeable reservoir device has at least one interchangeable container for receiving a medium. The interchangeable container is preferably designed to be at least substantially fluid-tight. The interchangeable reservoir device, in particular the interchangeable container, is preferably intended for single use.In particular, the interchangeable reservoir device, in particular the interchangeable container, is intended for disposal after being completely emptied. Alternatively, it is conceivable for the interchangeable reservoir device to be reusable, in particular for the interchangeable container to be refillable. The interchangeable container in particular has a maximum volume for accommodating a medium of at most 125 ml, preferably of at most 100 ml, and particularly preferably of at most 75 ml. The interchangeable reservoir device preferably has at least one fill level indicator for displaying a residual volume and / or a color of a medium in the interchangeable container. The fill level indicator is preferably designed as an at least partially transparent portion of the interchangeable container, in particular as a viewing window.Alternatively, it is conceivable that the level indicator is designed as a level sensor, for example with an optical, acoustic and / or haptic output.

[0056] The interchangeable reservoir device preferably comprises a single oscillation membrane, which is matched to a medium located in the interchangeable container, in particular with regard to a diameter, a material, a material thickness, a number and / or arrangement of media passage openings of the oscillation membrane, a diameter and / or a shape of the media passage openings, or the like. Alternatively, it is conceivable for the interchangeable reservoir device to have a plurality of oscillation membranes. The oscillation membrane of the interchangeable reservoir device is preferably designed at least substantially analogously to the previously described oscillation membrane of the nozzle unit of the media application device. In particular, the oscillation membrane of the interchangeable reservoir device, when the interchangeable reservoir device is arranged on the media application device, at least partially forms a nozzle element of the media application device.The oscillation membrane is preferably arranged on the interchangeable container, in particular forming at least a section of a wall of the interchangeable container. In particular, the oscillation membrane is in contact with a medium located in the interchangeable container. In particular, when the interchangeable reservoir device is in use, a medium is supplied to the oscillation membrane by gravity acting on the medium. Preferably, the oscillation membrane, in particular the media passage openings of the oscillation membrane, is / are designed such that the oscillation membrane seals the interchangeable container at least substantially fluid-tight in an excitation-free state. Alternatively or additionally, it is conceivable for the interchangeable reservoir device to comprise at least one sealing element, for example a flap movable in front of the oscillation membrane, which is provided for at least substantially fluid-tight sealing of the interchangeable container.

[0057] The interchangeable reservoir device preferably has at least one excitation element, in particular a piezo ring. In particular, the excitation element is designed at least substantially analogously to the previously described excitation element of the nozzle unit of the media application device. In particular, the interchangeable reservoir device can have at least one electrical contact for controlling and / or supplying energy to the excitation element of the interchangeable reservoir device by the media application device, in particular by the electronics unit of the media application device. Alternatively or additionally, it is conceivable for the media application device to comprise at least one excitation element, in particular the aforementioned excitation element, for oscillatingly exciting the oscillation membrane of the interchangeable reservoir device.In particular, the interchangeable reservoir device can comprise at least one mechanical contact, in particular a contact surface, which is provided in particular to couple the excitation element of the media application device to the oscillation membrane of the interchangeable reservoir device in a vibration-mechanical manner.

[0058] The media application device preferably has at least one fixing unit for a coupling, in particular a force-locking and / or positive-locking coupling, with the interchangeable reservoir device. The fixing unit is preferably provided for a press connection with the interchangeable reservoir device, in particular the oscillation membrane of the interchangeable reservoir device, the excitation element of the media application device, and / or the housing of the media application device. In particular, the fixing unit can have at least one actuating lever, which is provided for fixing the interchangeable reservoir device, in particular the oscillation membrane of the interchangeable reservoir device, to the excitation element of the media application device and / or to the housing of the media application device.Alternatively or additionally, it is conceivable for the fixing unit to be provided with a clamp connection, a screw connection, a vacuum connection, or another connection to the interchangeable reservoir device that appears appropriate to a person skilled in the art. In particular, the fixing unit is provided for fixing the interchangeable reservoir device, in particular the oscillation membrane of the interchangeable reservoir device, with a holding force, in particular a pressing force, of at least 5 N, preferably of at least 7 N, and particularly preferably of at least 10 N, in particular to the excitation element of the media application device and / or to the housing of the media application device. A user-friendly changing system can advantageously be provided. The oscillation membrane and the excitation element can advantageously be optimally preset to a specific medium, so that adjustment by the user is unnecessary.Advantageously, cleaning of the oscillation membrane can be omitted.

[0059] It is further proposed that the interchangeable reservoir device have at least one identification unit for mechanical, optical, electronic, and / or electromagnetic identification by at least one detection unit of the media application device. The identification unit is preferably provided to provide the detection unit with at least one identification parameter that uniquely identifies the interchangeable reservoir device. The detection unit is preferably provided to use the identification parameter to infer parameters of the interchangeable reservoir device, such as, for example, a maximum volume of the interchangeable container, a medium contained in the interchangeable container, a design of the oscillation membrane, a design of the excitation element, or the like.In particular, for each known identification parameter, the corresponding parameters of the interchangeable reservoir device can be stored in a memory unit of the detection unit and / or the electronics unit of the media application device. Alternatively, it is conceivable that the identification unit is provided to provide the detection unit with all parameters of the interchangeable reservoir device.In particular, different interchangeable reservoir devices can be designed to hold different media, in particular from a food sector, for example, fat, oil, chocolate, or cake icing; from a cleaning sector, for example, special cleaners, waterproofing agents, glass cleaners, or air fresheners; from a plant care sector, for example, plant protection products or fertilizers; from a health and / or hygiene sector, for example, disinfectants or spray plasters; from a cosmetics sector, such as shower gel, liquid soap, sunscreen, or makeup; or from other sectors, such as adhesives, lubricants, or spray film. For example, it is conceivable that the identification unit is designed to provide different identification parameters depending on the different media contained in the interchangeable container.

[0060] The identification unit can preferably be provided for mechanical identification. In particular, the identification unit can comprise at least one mechanical identification element that can be mechanically detected by the detection unit for mechanical identification. The mechanical identification element can be designed, in particular, as an actuating pin of varying length depending on various parameters of the interchangeable reservoir device, as a compression spring of varying tension depending on various parameters of the interchangeable reservoir device, or the like. The identification unit can preferably be provided for optical identification. In particular, the identification unit can comprise at least one optical identification element that can be optically detected by the detection unit and that differs depending on various parameters of the interchangeable reservoir device.The optical identification element can be designed, in particular, as an optical coding, for example, as a QR code, a barcode, or the like, as plain text, as a color code, as a shape code, or as another optical identification element that appears appropriate to a person skilled in the art. Alternatively or in addition to the detection unit, it is conceivable that the control and / or regulating unit, in particular the detection device of the control and / or regulating unit, is provided for identifying the interchangeable reservoir device, in particular by scanning an optical identification element of the identification unit. The identification unit can preferably be provided for electronic identification.In particular, the identification unit can comprise at least one electronic identification element for electronic identification, which differs depending on various parameters of the interchangeable reservoir device and can be electronically detected by the detection unit. The electronic identification element can be designed, in particular, as an electronic contact, as a microchip, or as another electronic identification element that appears appropriate to a person skilled in the art. The identification unit can preferably be provided for electromagnetic identification. In particular, the identification unit can comprise at least one electromagnetic identification element for electromagnetic identification, which differs depending on various parameters of the interchangeable reservoir device and can be electromagnetically detected by the detection unit.The electromagnetic identification element can be designed, in particular, as a radio frequency transmitter (RFID), a magnetic strip, a magnetic ink, or any other electromagnetic identification element deemed appropriate by a person skilled in the art. Preferably, the electronics unit of the media application device is provided for adjusting parameters of the media application device depending on the identification of the interchangeable reservoir device. Advantageously, automatic and user-friendly coordination between the media application device and the interchangeable reservoir device can be achieved.

[0061] It is further proposed that the interchangeable reservoir device have at least one suction unit designed to prevent uncontrolled leakage of the medium. In particular, the suction unit is designed to prevent leakage of the medium from the interchangeable container, in particular other than discharge through the oscillation membrane, for example in the event of a defect or a leak in the interchangeable container. The suction unit is preferably arranged in an interior of the interchangeable container and / or can be arranged, in particular automatically. The suction unit is preferably formed at least partially from an absorbent material. In particular, the suction unit is designed to at least partially receive the medium, in particular to absorb it, in particular according to a wick principle or a sponge principle.The absorption unit is preferably designed as a sponge, a vacuum cleaner, or another absorption unit deemed appropriate by a person skilled in the art. Alternatively or additionally, it is conceivable that the cleaning and / or contamination prevention unit of the media application device, in particular the media return unit of the cleaning and / or contamination prevention unit, is provided to prevent uncontrolled leakage of the medium. Contamination of the media application device and / or the environment surrounding the media application device can advantageously be prevented.

[0062] In addition, the invention is based on a method for operating an application system, in particular an application system according to the invention.

[0063] It is proposed that, in particular in at least one method step, at least one direct interaction with at least one user takes place by means of the control and / or regulating unit in an initialization step and / or during operation to optimize a media application process. In particular, the control and / or regulating unit has at least one output and / or input unit for direct interaction with the user, in particular for outputting an information to the user and / or for inputting a command by the user. The output and / or input unit can preferably comprise at least one output element for outputting an information to the user. The output element can preferably be designed as a screen, as a loudspeaker, as a vibration motor or as another output element that appears appropriate to a person skilled in the art.The output and / or input unit can preferably comprise at least one input element for command input by the user. The input element can in particular be designed as at least one button, as a touch-sensitive surface, as a microphone or as another input element that appears appropriate to a person skilled in the art. The output and / or input unit preferably has a combined output and / or input element for outputting information to the user and / or for command input by the user. The combined output and / or input element can preferably be designed as a touch screen or as another combined output and / or input element that appears appropriate to a person skilled in the art.The initialization step can be configured, in particular, as making settings for the control and / or regulating unit and / or the media application device, as selecting a motif to be applied, as aligning the control and / or regulating unit in front of the surface, or as another initialization step deemed appropriate by a person skilled in the art. During operation of the application system, a note regarding a media application process can be output and / or a command regarding the media application process can be entered. Direct interaction with the user can advantageously be enabled. An individual media application process can advantageously be enabled.

[0064] Furthermore, it is proposed that, in particular in at least one method step, at least a number and / or type of media required for an at least substantially uninterrupted media order process is / is precalculated and issued to at least one user. Preferably, an at least substantially uninterrupted media order process is interrupted at most by a change of a container containing the medium. In particular, for an at least substantially uninterrupted media order process, all media required for creating a media order, in particular containers containing the required media, are available for use.The number and / or type of media required for the at least substantially uninterrupted media application process can preferably be calculated in advance using the media application strategy, in particular by means of the computing unit of the control and / or regulating unit. The media application strategy preferably contains information about the types of media required to create the media application and information about an area share of each media type on the motif. The media application strategy preferably contains information about a size of the media application on the surface, in particular selected by the user. The number of media required for the at least substantially uninterrupted media application process can preferably be calculated in advance using the media types required to create the media application, the area shares of the media types on the motif, and the size of the media application on the surface.Preferably, the precalculated number and / or type of media required for the at least substantially uninterrupted media ordering process can be output to the user by means of the output and / or input unit, in particular by means of the combined output and / or input element. This advantageously enables an at least substantially uninterrupted media ordering process.

[0065] It is further proposed that, in particular in at least one method step, at least one application-specific presetting be stored as at least one media application mode for selection by the user. An application-specific presetting can preferably be configured as a setting of a parameter of the media application device, in particular a nozzle parameter, a parameter of the media output unit, or a parameter of the electronics unit, or as a setting of a parameter of the control and / or regulating unit, in particular a parameter of the media application strategy. In particular, a media application mode can be configured as a combination of a plurality of presettings, in particular different from one another.The media application mode can preferably be designed as a surface-specific media application mode, as a media application size-specific media application mode, as a power-saving media application mode, or as another media application mode that appears appropriate to a person skilled in the art. The control and / or regulating unit preferably has a plurality of media application modes, in particular for different application situations. In particular, the media application modes are stored in a memory unit of the control and / or regulating unit. A media application mode can preferably be selected by the user, in particular depending on an application situation. A media application mode can preferably be selected using the output and / or input unit. Advantageously, a media application mode can be selected to suit an application situation. Advantageously, an application-specific media application process can be enabled.

[0066] It is further proposed that, in particular in at least one method step, the user is asked at least one question and / or is given at least one hint regarding a setting of at least one control and / or regulating unit. Preferably, the user is asked a plurality of questions and / or is given a plurality of hints regarding a setting of the control and / or regulating unit. Preferably, a question is asked and a hint is output by means of the output and / or input unit. Preferably, the user is guided by the questions and / or hints through an initialization process to an initialization of the order system. Preferably, the user can use the questions and / or hints to make settings for a media order, such as a motif, a size of a media order, a medium to be used, or the like.Preferably, the user can be assisted by the instructions and / or questions when positioning the control and / or regulation unit, for example, by a digital spirit level display. Advantageously, a user can be guided to the correct setting of the application system. Advantageously, a frustration-free initialization process for a media application process can be enabled.

[0067] It is also proposed that, in particular in at least one method step, at least one object-specific characteristic is detected, on the basis of which at least one instruction is output to the user. The object-specific characteristic is preferably detected by means of the detection device, in particular by means of the detection element of the detection device and / or by means of the object sensor element of the detection device. The instruction is preferably output to the user by means of the output and / or input unit, in particular by means of the combined output and / or input element of the output and / or input unit. A warning can preferably be output to the user, in particular if a detected object-specific characteristic and a selected setting of the application system are incongruent with one another.Advantageously, an incongruity between an object-specific parameter and a selected setting of the order system can be detected and communicated to a user. Advantageously, a usage error can be identified and any impact on a media order can be at least largely prevented.

[0068] The media application device according to the invention, the application system according to the invention, the method according to the invention for operating a media application device and / or the method according to the invention for operating an application system should not be limited to the application and embodiment described above. In particular, the media application device according to the invention, the application system according to the invention, the method according to the invention for operating a media application device and / or the method according to the invention for operating an application system can have a number of individual elements, components and units as well as method steps that differs from the number stated herein in order to fulfill a functionality described herein. Furthermore, in the value ranges stated in this disclosure, values ​​lying within the stated limits should also be considered disclosed and can be used as desired. Drawings

[0069] Further advantages will become apparent from the following description of the drawings. The drawings illustrate eight exemplary embodiments of the invention. The drawings, the description, and the claims contain numerous features in combination. Those skilled in the art will also expediently consider the features individually and combine them into useful further combinations.

[0070] They show: Fig. 1 shows a media application device according to the invention in a perspective view, Fig. 2 shows the media application device according to the invention from Fig. 1 in a schematic sectional view, Fig. 3 a control and / or regulating unit in a perspective view, Fig. 4 the control and / or regulating unit from Fig. 3in a further perspective view, Fig. 5 an application system according to the invention in a schematic view, Fig. 6 a media application point in a schematic view, Fig. 7 an alternative media application device according to the invention in a perspective view, Fig. 8 the alternative media application device according to the invention from Fig. 7in a schematic sectional view, Fig. 9 a media output unit of a further alternative media application device according to the invention in a perspective view, Fig. 10 a media output unit of a further alternative media application device according to the invention in a schematic sectional view, Fig. 11 a media output unit of a further alternative media application device according to the invention in a schematic sectional view, Fig. 12 a part of an alternative application system according to the invention in a perspective sectional view, Fig. 13 an exploded view of a part of a media output unit of a further alternative media application device in a perspective view, Fig. 14 different embodiments of an alternative perforation grid of the media output unit from Fig. 13in a schematic representation, Fig. 15 a further alternative application system according to the invention in a schematic representation, Fig. 16 the further alternative application system according to the invention from Fig. 15 in a further schematic representation, Fig. 17 a change reservoir device of the further alternative application system according to the invention from Fig. 15 in a schematic representation and Fig. 18 the exchange reservoir device from Fig. 17 in a schematic sectional view. Description of the embodiments

[0071] Figure 1shows a media application device 10a in a perspective view. The media application device 10a is designed as a handheld paint application device. The media application device 10a has a housing 40a. The housing 40a is made of a plastic. Alternatively, it is conceivable that the housing 40a is made of a metal. The housing 40a has a head region 42a and a receiving region 44a. The head region 42a and the receiving region 44a are formed as a single piece. Components necessary for operation of the media application device 10a are arranged in the head region 42a. The receiving region 44a is designed as half a hollow cylinder. The receiving region 44a is shaped such that a container 46a (illustrated here), which contains the medium to be applied, is partially enclosed by the receiving region 44a when mounted on the media application device 10a.The container 46a is designed as a media tank. The medium is designed as a paint medium. The medium is designed as a spray paint.

[0072] On an underside of the head region 42a and connected to the receiving region 44a, the housing 40a has a connection and / or fastening unit 48a. The connection and / or fastening unit 48a is provided for receiving the container 46a on the media application device 10a. The connection and / or fastening unit 48a has an adapter hook element 50a for securing the container 46a (see FIG. Figure 2 ).

[0073] A reference element 52a of the media application device 10a is arranged on an upper side of the head region 42a of the housing 40a. The reference element 52a of the media application device 10a is designed to be glare-free for a user 38a (not shown in detail). The reference element 52a of the media application device 10a is designed as a radiation-emitting luminous element that emits electromagnetic radiation from a blue spectral range of an electromagnetic spectrum. The reference element 52a of the media application device 10a is designed as a blue light-emitting diode. Alternatively, it is conceivable that the reference element 52a of the media application device 10a emits radiation from a spectral range invisible to the human eye, that the luminous element is provided for pulsed radiation emission, or that the reference element 52a of the media application device 10a is designed as a radiation-free code element.

[0074] An anti-glare element 54a of the media application device 10a is arranged on the head region 42a of the housing 40a. The anti-glare element 54a is made of an opaque plastic. The anti-glare element 54a is formed integrally with the housing 40a. The anti-glare element 54a is designed as a cover. The anti-glare element 54a partially covers the reference element 52a of the media application device 10a. The reference element 52a of the media application device 10a is partially arranged within the anti-glare element 54a. The anti-glare element 54a is intended to shield the user 38a from the radiation emitted by the reference element 52a of the media application device 10a.

[0075] An output unit 56a of the media application device 10a is arranged on an upper side of the head region 42a of the housing 40a. The output unit 56a is designed as a screen. The output unit 56a is designed as a touch screen. The output unit 56a is recessed into the head region 42a, flush with the housing 40a. The output unit 56a is provided for outputting information to the user 38a and / or for inputting commands by the user 38a.

[0076] The media application device 10a comprises at least one operating unit 132a and / or one operating function, wherein the operating unit 132a and / or the operating function are / is intended to control and / or regulate at least one function of the media application device 10a. The output unit 56a at least partially forms the operating unit 132a of the media application device 10a. The operating unit 132a and / or the operating function are / is intended to apply at least one individual dot once to a specific position. The operating unit 132a and / or the operating function are / is intended to apply at least one individual dot repeatedly to a specific position. The operating unit 132a and / or the operating function are / is intended to carry out a repeated application of individual dots to a specific position.The operating unit 132a and / or the operating function are / is provided for the stepped or continuous control of a desired size of at least one individual point.

[0077] The media application device 10a comprises at least one operating unit 132a and / or an operating function, in particular the aforementioned operating unit 132a and / or the aforementioned operating function, wherein the operating unit 132a and / or the operating function are / is provided for the stepped or continuous control of a gray value or a color intensity of at least one individual dot. The operating unit 132a and / or the operating function are / is preferably provided for activating or deactivating an automatic control of a spray pattern, in particular dot sizes and / or gray levels.

[0078] The operating unit 132a and / or the operating function are / is provided for automatically controlling at least one working mode. The operating unit 132a and / or the operating function are / is provided for controlling at least one display. The operating unit 132a and / or the operating function are / is provided for controlling a view of a display, in particular a display for depicting a work position on a color plane against a background of a work area (not further illustrated here). The operating unit 132a and / or the operating function are / is provided for controlling at least one lighting unit (not further illustrated here). The operating unit 132a is designed as a lighting control element and / or the operating function is designed as a lighting control function. The operating unit 132a and / or the operating function are / is provided for voice or gesture control.The media application device 10a can also be controlled via voice and / or gesture control.

[0079] Alternatively or additionally, the following embodiments of the operating unit 132a and / or the operating function are conceivable, whereby the list is not exhaustive: The operating unit 132a is designed as a switching element, for example as an on / off switch, a nozzle actuation switch, a button, a touch switch, a physical switch for disconnecting a current, or the like, and is ergonomically arranged within a grasping range of a user's thumb 38a. The operating unit 132a and / or the operating function are / is intended for the free application of individual dots without restriction. The operating unit 132a is designed as a safety operating element and / or the operating function as a safety operating function, for example as a switch-on lock, continuous actuation function, or the like. The operating unit 132a is designed as a reset operating element and / or the operating function as a reset activation function to trigger a restart of a system, in particular an operating system of the media application device 10a.The operating unit 132a is designed as a Bluetooth operating element and / or the operating function as a Bluetooth activation function. Also conceivable is a radio connection pairing operating element and / or a radio connection pairing function, provided for establishing a connection between the media application device 10a and a camera and / or a computer unit. The operating unit 132a and / or the operating function are / is provided for controlling the dispensing of a mixed color in stages and / or continuously from two or more colors. The operating unit 132a and / or the operating function are / is provided for controlling the dilution of color in stages and / or continuously using one or more color thinners. A cleaning activation operating element and / or a cleaning activation function is provided. The operating unit 132a can be designed as a haptic element. The haptic element is designed as a vibration element.The haptic element can be positioned differently on the device, in particular on the housing 40a of the media application device 10a. Multiple haptic elements can be provided on the device. Device, in particular on the housing 40a of the media application device 10a, which can also be used individually.

[0080] Figure 2 shows the media application device 10a from Fig. 1in a schematic sectional view. Shown are the head region 42a, the connection and / or fastening unit 48a with the adapter hook element 50a, and a part of the receiving region 44a. The reference element 52a of the media application device 10a and the anti-glare element 54a are arranged on the head region 42a. A power supply unit 58a of the media application device 10a is arranged within the housing 40a in the receiving region 44a. The power supply unit 58a is provided to supply a media output unit 12a of the media application device 10a with electrical energy for operating the media application device 10a. The power supply unit 58a is designed as an accumulator.

[0081] The media dispensing unit 12a is arranged within the housing 40a in the head region 42a. The media dispensing unit 12a comprises a nozzle unit 14a and a media supply unit 60a. The nozzle unit 14a has a nozzle element 16a. In the present exemplary embodiment, the nozzle unit 14a additionally has a valve element 62a. In principle, however, it is conceivable for the nozzle unit 14a not to comprise a valve element 62a. The nozzle element 16a is rotatably mounted in the housing 40a. The nozzle element 16a is arranged in common alignment with the reference element 52a of the media application device 10a. The nozzle element 16a is provided for dispensing the medium onto a surface 18a (not shown in further detail). The nozzle element 16a is connected to the valve element 62a for passing the medium via a supply element 64a of the nozzle unit 14a.Alternatively, it is conceivable for the nozzle unit 14a to comprise only the nozzle element 16a and the supply element 64a. The valve element 62a is provided to allow the medium to flow through the nozzle element 16a. The nozzle element 16a is provided to dispense the medium as at least one media application point 66a onto the surface 18a. At least one nozzle parameter of the nozzle element 16a is adjustable and / or adjustable. An orientation of the nozzle element 16a, a media output pressure of the nozzle element 16a, a media output quantity of the nozzle element 16a, and a size of a cross-section of a nozzle outlet opening of the nozzle element 16a are adjustable and / or adjustable. The nozzle parameters of the nozzle element 16a are adjustable and / or adjustable by the user 38a.

[0082] The media output unit 12a has the media supply unit 60a for supplying the medium to the valve element 62a. Alternatively, it is conceivable that the media supply unit 60a is provided for supplying the medium directly to the nozzle element 16a. The media supply unit 60a comprises a media supply element 68a, which is connected to the valve element 62a, and an adapter element 70a. Alternatively, it is conceivable that the media supply element 68a is connected to the nozzle element 16a or to the supply line element 64a. The adapter element 70a is connected to the media supply element 68a and is provided to establish a connection to the container 46a (not shown for the sake of clarity). The adapter element 70a is provided to guide the medium from the container 46a to the media supply element 68a.

[0083] An electronics unit 20a of the media application device 10a is arranged within the housing 40a and mounted on a support element 72a of the media application device 10a. The electronics unit 20a is designed as a circuit board with a processor unit (not shown) and a memory unit (not shown). The electronics unit 20a is provided to control and / or regulate the media output unit 12a. The electronics unit 20a is provided to automatically set and / or adjust the nozzle parameters of the nozzle element 16a. The electronics unit 20a is supplied with electrical energy by the power supply unit 58a.

[0084] The media application device 10a has a communication unit 74a. The communication unit 74a is arranged within the housing 40a. The communication unit 74a is designed as a wireless communication unit. The communication unit 74a is designed as a Bluetooth module. Alternatively, it is conceivable that the communication unit 74a is designed as a radio module, as a light-based communication unit, or as a wired communication unit. The communication unit 74a has a latency of less than 30 ms. The communication unit 74a is provided for exchanging electronic data with the control and / or regulating unit 24a and / or another external unit.

[0085] Figure 3shows the control and / or regulating unit 24a in a perspective view. Shown is a rear side 76a of the control and / or regulating unit 24a. The control and / or regulating unit 24a is designed as a smartphone. The control and / or regulating unit 24a has a housing unit 78a. The housing unit 78a is made of a metal. Alternatively, it is conceivable that the housing unit 78a is made of glass or a plastic.

[0086] The control and / or regulating unit 24a has a further communication unit 80a. The further communication unit 80a is arranged within the housing unit 78a. The further communication unit 80a is designed as a wireless communication unit. The further communication unit 80a is designed as a Bluetooth module. Alternatively, it is conceivable that the further communication unit 80a is designed as a radio module, as a light-based communication unit, or as a wired communication unit. The further communication unit 80a has a latency of less than 30 ms. The further communication unit 80a is provided for exchanging electronic data with the media application device 10a (not shown in detail) and / or another external unit.

[0087] The control and / or regulating unit 24a has a detection device 26a. The detection device 26a is provided to detect a position and / or orientation of the media application device 10a relative to the surface 18a. To detect the position and / or orientation of the media application device 10a relative to the surface 18a, the detection device 26a has a detection element 82a designed as a camera. The detection element 82a is arranged on the rear side 76a of the control and / or regulating unit 24a on the housing unit 78a. The electronics unit 20a of the media application device 10a is provided to control and / or regulate the media output unit 12a of the media application device 10a based on at least one characteristic variable of the detection device 26a.The characteristic variable of the detection device 26a can be embodied as a position of the media application device 10a relative to the surface 18a, as an orientation of the media application device 10a relative to the surface 18a, as a media application 34a on the surface 18a, as a surface quality of the surface 18a, or as an orientation, in particular an inclination, of the detection device 26a relative to the surface 18a. The electronics unit 20a is provided to control and / or regulate the media dispensing unit 12a such that the medium is dispensed only when the media dispensing unit 12a is oriented at least substantially perpendicularly relative to the surface 18a. The orientation of the media dispensing unit 12a relative to the surface 18a can be detected by means of the detection element 82a of the detection device 26a.The detection device 26a is provided to detect at least one object-specific characteristic. The object-specific characteristic can be detected by means of the detection element 82a of the detection device 26a. Alternatively or additionally, it is conceivable for the detection device 26a to have an object sensor element for detecting the object-specific characteristic. The object-specific characteristic can be embodied as a material of the surface 18a, as a structure of the surface 18a, as a condition of the surface 18a, as a temperature of the surface 18a, as a humidity of the surface 18a, as a type of medium used to create the media application 34a, as an application thickness of the medium on the surface 18a, as an irregularity in the media application 34a, or as an area on the surface 18a covered by the medium.The electronics unit 20a is provided to control and / or regulate the media dispensing unit 12a depending on the object-specific characteristic. The detection device 26a is provided to detect at least one area 28a that is different from other areas of the surface 18a. The area 28a that is different from other areas of the surface 18a can be designed as a door, a window, or a light switch. The electronics unit 20a controls and / or regulates the media dispensing unit 12a in the area 28a that is different from other areas of the surface 18a such that the media is not dispensed.

[0088] The control and / or regulating unit 24a has an inclination sensor unit 30a. The inclination sensor unit 30a is provided to detect an inclination of the detection device 26a relative to the surface 18a and to compensate for the detected inclination. The inclination sensor unit 30a has an inclination detection element 84a. The inclination detection element 84a is provided to detect an inclination of the detection device 26a relative to the surface 18a. The inclination detection element 84a is designed as an inclination sensor. The inclination detection element 84a is arranged within the housing unit 78a. The inclination sensor unit 30a has an inclination compensation element 86a. The inclination compensation element 86a is provided to compensate for the detected inclination of the detection device 26a relative to the surface 18a.The inclination compensation element 86a can calculate an offset of a position and / or orientation of the media application device 10a relative to the surface 18a, as detected by the inclined detection device 26a, based on the detected inclination of the detection device 26a. The inclination compensation element 86a is embodied as a microprocessor. The inclination compensation element 86a is arranged within the housing unit 78a.

[0089] The detection device 26a has a computing unit 32a. The computing unit 32a is provided to precalculate a region 36a on the surface 18a that is contiguous with respect to a media application 34a. The computing unit 32a is provided to precalculate the region 36a on the surface 18a that is contiguous with respect to the media application 34a using a media application strategy for creating the media application 34a. The media application strategy is stored in a memory unit (not shown) of the computing unit 32a. The electronics unit 20a is provided to control and / or regulate the media output unit 12a in the region 36a on the surface 18a that is contiguous with respect to the media application 34a such that the nozzle element 16a remains open.

[0090] Figure 4 shows the control and / or regulating unit 24a from Fig. 3in another perspective view. Shown is a front side 88a of the control and / or regulating unit 24a.

[0091] The control and / or regulating unit 24a has an output and / or input unit 90a. The output and / or input unit 90a is provided for outputting information to the user 38a and / or for inputting commands by the user 38a. The output and / or input unit 90a comprises a combined output and / or input element 92a and an output element 94a. The combined output and / or input element 92a is designed as a screen. The combined output and / or input element 92a is designed as a touch screen. The combined output and / or input element 92a is provided for outputting information to the user 38a and / or for inputting commands by the user 38a. The output element 94a is designed as a loudspeaker. The output element 94a is provided for outputting information to the user 38a. The combined output and / or input element 92a and the output element 94a are flush with the housing unit 78a.

[0092] Preferably, the control and / or regulating unit 24a is designed for use in an order system 22a according to a Figure 5 shown embodiment, in particular with a media application device 10a. However, it is also conceivable that the control and / or regulating unit 24a is provided with a media application device 10b according to a Figure 7 illustrated embodiment, with a media application device 10c according to a Figure 9 illustrated embodiment, with a media application device 10d according to a Figure 10 illustrated embodiment, with a media application device 10e according to a Figure 11 illustrated embodiment, with a media application device 10f according to a Figure 12 illustrated embodiment, with a media application device 10g of a Figure 13 illustrated embodiment and / or with a media application device 10h of a Figure 15illustrated embodiment.

[0093] Figure 5 shows an application system 22a in a schematic representation. The application system 22a comprises the media application device 10a and the control and / or regulating unit 24a. The media application device 10a is manually guided by the user 38a. The user 38a applies the medium to the surface 18a using the media application device 10a. The control and / or regulating unit 24a is arranged on a stand 96a in front of the surface 18a to detect the position and / or orientation of the media application device 10a relative to the surface 18a. The surface 18a is designed as a room wall.

[0094] The surface 18a comprises a region 28a that is distinct from other regions of the surface 18a. The region 28a that is distinct from other regions of the surface 18a is designed as a door. If the user 38a guides the media dispensing unit 12a over the region 28a that is distinct from other regions of the surface 18a, the electronics unit 20a controls and / or regulates the media dispensing unit 12a such that the media is not dispensed.

[0095] The media application 34a is applied to the surface 18a. The media application 34a is formed from a plurality of media application points 66a. The surface 18a comprises a region 36a on the surface 18a that is contiguous with respect to the media application 34a. The region 36a on the surface 18a that is contiguous with respect to the media application 34a is formed as a region of ten media application points 66a of the same media type. The region 36a on the surface 18a that is contiguous with respect to the media application 34a is spaced from an edge 98a of the media application 34a by five media application points 66a. The computing unit 32a is provided to precalculate the region 36a on the surface 18a that is contiguous with respect to the media application 34a.If the user 38a guides the media dispensing unit 12a over the area 36a on the surface 18a that is contiguous with respect to the media application 34a, the electronic unit 20a controls and / or regulates the media dispensing unit 12a such that the nozzle element 16a remains open.

[0096] A method for operating the application system 22a is described below. In at least one method step, at least one direct interaction with the user 38a takes place by means of the control and / or regulating unit 24a in an initialization step and / or during operation to optimize a media application process. The direct interaction with the user 38a takes place by means of the output and / or input unit 90a of the control and / or regulating unit 24a. In at least one further method step, at least a number and / or type of media required for an at least substantially uninterrupted media application process is / are precalculated and output to the user 38a. The number and / or type of media required for an at least substantially uninterrupted media application process is / are output to the user 38a by means of the output and / or input unit 90a.Alternatively or additionally, it is conceivable that the number and / or type of media required for an at least substantially uninterrupted media application process is / will be output to the user 38a by means of the output unit 56a of the media application device 10a. In at least one further method step, at least one application-specific presetting is stored as at least one media application mode for selection by the user 38a. In at least one further method step, the user 38a is asked at least one question and / or given at least one hint regarding a setting of the control and / or regulating unit 24a. The user 38a is asked at least one question and / or given at least one hint regarding a setting of the control and / or regulating unit 24a by means of the output and / or input unit 90a.Alternatively or additionally, it is conceivable that the user 38a is asked at least one question and / or given at least one hint regarding a setting of the control and / or regulating unit 24a by means of the output unit 56a. In at least one further method step, at least one object-specific characteristic variable is recorded, based on which at least one hint is output to the user 38a. The object-specific characteristic variable is recorded by means of the recording device 26a. An hint is output to the user 38a by means of the output and / or input unit 90a. Alternatively or additionally, it is conceivable that an hint is output to the user 38a by means of the output unit 56a.

[0097] With regard to further method steps of the method for operating the order system 22a, reference may be made to the preceding description of the order system 22a, since this description is to be read analogously to the method and thus all features relating to the order system 22a are also deemed to be disclosed with regard to the method for operating the order system 22a.

[0098] Figure 6shows a media application point 66a in a schematic representation. The media application point 66a is generated with a standard orientation of the nozzle element 16a. The media application point 66a is generated on the surface 18a. With the standard orientation of the nozzle element 16a, a media output direction of the nozzle element 16a is at least substantially aligned with the reference element 52a of the media application device 10a. The standard orientation of the nozzle element 16a is indicated by a point 100a. The point 100a represents a projection of a position of the reference element 52a of the media application device 10a onto the surface 18a. The media application point 66a is arranged symmetrically around the point 100a. The media application point 66a is point-shaped. Another media application point 102a is shown.The additional media application point 102a is created with the nozzle element 16a aligned with the standard orientation of the nozzle element 16a. The orientation of the nozzle element 16a is adjusted such that the media output direction of the nozzle element 16a is aligned at an angle to the alignment with the reference element 52a of the media application device 10a. The additional media application point 102a is created on the surface 18a. The additional media application point 102a is elliptical. An edge 104a of the additional media application point 102a is arranged at the point 100a.

[0099] In the Figures 7 to 18Seven further embodiments of the invention are shown. The following descriptions and the drawings are essentially limited to the differences between the embodiments, whereby with regard to components with the same designation, in particular with regard to components with the same reference numerals, reference is also made to the drawings and / or the description of the other embodiments, in particular to the Figures 1 to 6 To distinguish the embodiments, the letter a is added to the reference numerals of the embodiment in the Figures 1 to 6 In the examples of the Figures 7 to 18 the letter a is replaced by the letters b to h.

[0100] Figure 7shows an alternative media application device 10b in a perspective view. The media application device 10b is designed as a handheld paint application device. The media application device 10b has a housing 40b. The housing 40b is made of a plastic. Alternatively, it is conceivable that the housing 40b is made of a metal. The housing 40b has a head region 42b and a receiving region 44b. The head region 42b and the receiving region 44b are formed as a single piece. Components necessary for operation of the media application device 10b are arranged in the head region 42b. The receiving region 44b is designed as half a hollow cylinder. The receiving region 44b is shaped such that a container 46b (illustrated here), which contains the medium to be applied, is partially enclosed by the receiving region 44b when mounted on the media application device 10b.The container 46b is designed as a media tank. The medium is designed as a paint medium, in particular as a water-based and / or solvent-based paint medium. The medium is designed as a spray paint. Alternatively, it is conceivable that the medium is designed as an emulsion paint, as an acrylic paint, as an acrylic lacquer, as a colorant-based or pigmented ink, as a spray chalk, as a spray film, or the like.

[0101] At the head region 42b and connected to the receiving region 44b, the housing 40b has a connection and / or fastening unit 48b. The connection and / or fastening unit 48b is provided for receiving the container 46b on the media application device 10b. Alternatively, it is conceivable that the connection and / or fastening unit 48b is provided for receiving a plurality of containers 46b and / or that the media application device 10b has a plurality of connection and / or fastening units 48b. The connection and / or fastening unit 48b has an adapter hook element 50b for fixing the container 46b (see Figure 8 ).

[0102] A reference element 52b of the media application device 10b is arranged on the head region 42b of the housing 40b. The reference element 52b of the media application device 10b is designed to be glare-free for a user (not shown in detail). The reference element 52b of the media application device 10b is designed as a radiation-emitting luminous element that emits electromagnetic radiation from a blue spectral range of an electromagnetic spectrum. The reference element 52b of the media application device 10b is designed as a blue light-emitting diode. Alternatively, it is conceivable that the reference element 52b of the media application device 10b emits radiation from a spectral range invisible to the human eye, that the luminous element is provided for pulsed radiation emission, or that the reference element 52b of the media application device 10b is designed as a radiation-free code element.The reference element 52b of the media application device 10b is provided for detecting a position and / or orientation of the media application device 10b relative to the surface by a control and / or regulating unit, such as a smartphone, a tablet, augmented reality glasses or the like.

[0103] An anti-glare element 54b of the media application device 10b is arranged on the head region 42b of the housing 40b. The anti-glare element 54b is made of an opaque plastic. The anti-glare element 54b is formed integrally with the housing 40b. The anti-glare element 54b is designed as a cover. The anti-glare element 54b partially covers the reference element 52b of the media application device 10b. The reference element 52b of the media application device 10b is partially arranged within the anti-glare element 54b. The anti-glare element 54b is intended to shield the user from the radiation emitted by the reference element 52b of the media application device 10b.

[0104] Figure 8 shows the alternative media application device 10b from Fig. 7in a schematic sectional view. Shown are the head region 42b, the connection and / or fastening unit 48b with the adapter hook element 50b, and a part of the receiving region 44b. The reference element 52b of the media application device 10b and the anti-glare element 54b are arranged on the head region 42b. A power supply unit 58b of the media application device 10b is arranged within the housing 40b in the receiving region 44b. The power supply unit 58b is provided to supply a media output unit 12b of the media application device 10b with electrical energy for operating the media application device 10b. The power supply unit 58b is designed as an accumulator.

[0105] The media dispensing unit 12b is arranged within the housing 40b in the head region 42b. The media dispensing unit 12b comprises a nozzle unit 14b. The nozzle unit 14b has a first nozzle element 16b. In the present exemplary embodiment, the nozzle unit 14b additionally has a first valve element 62b. In principle, however, it is conceivable for the nozzle unit 14b not to comprise a first valve element 62b. The first nozzle element 16b is rotatably mounted in the housing 40b. The first nozzle element 16b is arranged in common alignment with the reference element 52b of the media application device 10b. The first nozzle element 16b is provided for dispensing the medium onto a surface not shown in detail. The first nozzle element 16b is connected to the first valve element 62b for conveying the medium via a first supply element 64b of the nozzle unit 14b.Alternatively, it is conceivable that the nozzle unit 14b comprises only the first nozzle element 16b and the first supply element 64b. The first valve element 62b is provided to allow the medium to flow through the first nozzle element 16b.

[0106] The media application device 10b has a cleaning and / or contamination prevention unit 112b. The cleaning and / or contamination prevention unit 112b has a cleaning function for the media dispensing unit 12b. The cleaning and / or contamination prevention unit 112b is provided to prevent contamination of an environment surrounding the media dispensing unit 12b. The environment surrounding the media dispensing unit 12b includes the surface and other, in particular stationary, objects surrounding the media dispensing unit 12b.

[0107] The cleaning and / or contamination prevention unit 112b has a cleaning element 146b. The cleaning element 146b is provided for cleaning the first nozzle element 16b and the first valve element 62b. The cleaning element 146b is provided for cleaning the first nozzle element 16b and the first valve element 62b using a cleaning fluid. The cleaning fluid is designed as a cleaning liquid. Alternatively, it is conceivable that the cleaning element 146b is provided for cleaning the first nozzle element 16b and / or the first valve element 62b using ultrasound or mechanical action. The cleaning element 146b is arranged in the head region 42b within the housing 40b. Alternatively, it is conceivable that the cleaning element 146b is arranged outside the media dispensing unit 12b, for example, in a cleaning station.

[0108] The cleaning and / or contamination prevention unit 112b has a reservoir unit 148b. The reservoir unit 148b is provided for receiving the cleaning fluid. Alternatively or additionally, it is conceivable for the reservoir unit 148b to be provided for receiving a cleaning fluid unit. The reservoir unit 148b is designed as an at least substantially fluid-tight tank. The reservoir unit 148b comprises a closable filling element (not shown in detail). The filling element can fill the reservoir unit 148b with the cleaning fluid. Alternatively or additionally, it is conceivable for the reservoir unit 148b to comprise a receiving element for receiving a cleaning fluid unit. The reservoir unit 148b is connected to the cleaning element 146b via a fluid line element 150b to provide the cleaning fluid.

[0109] The cleaning and / or contamination prevention unit 112b has a vacuum unit 114b. The vacuum unit 114b is provided for conveying the cleaning fluid opposite to a media application direction 116b. The vacuum unit 114b is connected to the reservoir unit 148b and to the fluid line element 150b. The vacuum unit 114b is provided for conveying the cleaning fluid from the reservoir unit 148b through the fluid line element 150b to the cleaning element 146b. The vacuum unit 114b is provided for conveying the cleaning fluid to generate a vacuum. The cleaning fluid is sucked out of the reservoir unit 148b by the vacuum. The vacuum unit 114b is designed as a pump. The media application direction 116b corresponds to a direction in which media is discharged onto the surface through the first nozzle element 16b.The cleaning fluid is conveyed through the vacuum unit 114b and via the cleaning element 146b opposite to the media application direction 116b through the first nozzle element 16b and / or the first valve element 62b.

[0110] The media application device 10b has a mixer unit 152b. The mixer unit 152b is operatively connected to the cleaning and / or contamination prevention unit 112b. The mixer unit 152b is provided for mixing at least two different media. The cleaning and / or contamination prevention unit 112b is provided for cleaning the mixer unit 152b. The mixer unit 152b has a mixing chamber 154b in which the at least two different media are mixed. The mixing chamber 154b is connected to the container 46b via a media supply element 68b. The medium can be conveyed from the container 46b into the mixing chamber 154b. In principle, it is conceivable that when a plurality of containers 46b are mounted on the media application device 10b, a plurality of different media can be conveyed into the mixing chamber 154b.The mixer unit 152b has a metering element (not shown) for metering the flow of medium into the mixing chamber 154b. The mixer unit 152b has a mixer element (not shown). The mixer element is designed as an agitator. The mixer element is arranged in the mixing chamber 154b. The mixer element is intended for mixing different media.

[0111] The cleaning and / or contamination prevention unit 112b has a media supply unit 60b. The media supply unit 60b is provided for supplying the medium to the media output unit 12b. The media supply unit 60b is provided for supplying the medium to the media output unit 12b under positive pressure. The media supply unit 60b has the media supply element 68b for supplying the medium to the media output unit 12b. The media supply element 68b is designed as a hose. The media supply element 68b is connected to the first valve element 62b. In principle, however, it is conceivable for the media supply element 68b to be connected to the first nozzle element 16b. The media supply unit 60b has an adapter element 70b. The adapter element 70b is connected to the media supply element 68b and is intended to establish a connection to the container 46b, which is not shown for the sake of clarity.The media supply unit 60b has a media conveying element 156b. The media conveying element 156b is provided for conveying the medium. The media conveying element 156b is designed as a pump. The media conveying element 156b is arranged on the media supply element 68b. The media conveying element 156b is provided for generating an overpressure, which pushes the medium from the mixing chamber 154b of the mixer unit 152b into the first valve element 62b. In principle, however, it is conceivable for the overpressure to push the medium from the mixing chamber 154b of the mixer unit 152b directly into the first nozzle element 16b. The medium is discharged through the first nozzle element 16b by the overpressure.

[0112] The cleaning and / or contamination prevention unit 112b has a media return unit 158b. The media return unit 158b is provided to receive at least a portion of the medium during a media application process and to supply it to the mixer unit 152b. Alternatively or additionally, it is conceivable that the media return unit 158b is provided to receive a portion of the medium during a media application process and to supply it to the media dispensing unit 12b. The media return unit 158b is provided to receive an excess portion of the medium and to supply it to the mixer unit 152b. The media return unit 158b has a collecting element 160b for receiving a portion of the medium. The media return unit 158b has a return element 162b for returning the portion of the medium to the mixer unit 152b. The collecting element 160b and the return element 162b are formed as one piece.The return element 162b is not further shown and is connected to the mixing chamber 154b of the mixer unit 152b. A portion of the return element 162b is attached to the head region 42b of the housing 40b. The collection element 160b is arranged behind the first nozzle element 16b, as viewed in the media application direction 116b. The collection element 160b is arranged partially in a trajectory path of the medium after being discharged from the first nozzle element 16b. When the media discharge unit 12b is operated according to the continuous ink jet method, excess and / or excessively deflected media droplets can be collected by the collection element 160b and fed to the mixer unit 152b by the return element 162b.

[0113] The cleaning and / or contamination prevention unit 112b has a deflection unit 164b. The deflection unit 164b is provided to deflect at least a portion of the medium during a media application process. The deflection unit 164b is provided to deflect a portion of the dispensed medium from a trajectory path of the medium. The deflection unit 164b has a deflection element 166b, which is provided to deflect at least a portion of the medium. The deflection element 166b is designed as an indirect deflection element. Alternatively, it is conceivable for the deflection element 166b to be designed as a direct deflection element. The deflection element 166b is designed as an air nozzle for generating an air curtain. Alternatively, it is conceivable for the deflection element 166b to be designed as a magnet for generating a magnetic field or as an electrode for generating an electric field.The collection element 160b of the media return unit 158b is used to collect the deflected medium, and the return element 162b of the media return unit 158b is used to return the deflected medium to the mixer unit 152b. Alternatively, it is conceivable that the deflection unit 164b itself has a further collection element and / or a further return element.

[0114] The nozzle unit 14b, the cleaning element 146b, the reservoir unit 148b, the mixer unit 152b, the media supply unit 60b, the media return unit 158b, and the deflection unit 164b have a dirt-repellent coating. The first nozzle element 16b and the first valve element 62b of the nozzle unit 14b, as well as the mixing chamber 154b of the mixer unit 152b, the media supply element 68b, the adapter element 70b, and the media conveying element 156b of the media supply unit 60b, the collection element 160b and the return element 162b of the media return unit 158b, and the deflection element 166b of the deflection unit 164b, have the dirt-repellent coating. The dirt-repellent coating is designed as a nanostructured coating based on the lotus principle.

[0115] An electronics unit 20b of the media application device 10b is arranged within the housing 40b and mounted on a support element 72b of the media application device 10b. The electronics unit 20b is designed as a circuit board with a processor unit (not shown) and a memory unit (not shown). The electronics unit 20b is intended to control and / or regulate the media output unit 12b. The electronics unit 20b is supplied with electrical energy by the power supply unit 58b.

[0116] The media application device 10b has a communication unit 74b. The communication unit 74b is arranged within the housing 40b. The communication unit 74b is designed as a wireless communication unit. The communication unit 74b is designed as a Bluetooth module. Alternatively, it is conceivable that the communication unit 74b is designed as a radio module, as a light-based communication unit, or as a wired communication unit. The communication unit 74b has a latency of less than 30 ms. The communication unit 74b is provided for exchanging electronic data with the control and / or regulating unit and / or another external unit.

[0117] It is conceivable that the media application device 10b in an application system 22a according to a Figure 5 illustrated embodiment, in particular with a control and / or regulating unit 24a.

[0118] A method for operating the media application device 10b is described below. In at least one method step, the first nozzle element 16b and / or the first valve element 62b is / are cleaned. With regard to further method steps of the method for operating the media application device 10b, reference may be made to the preceding description of the media application device 10b, since this description also applies analogously to the method, and thus all features relating to the media application device 10b are also deemed to be disclosed with respect to the method for operating the media application device 10b.

[0119] Figure 9shows a perspective view of a media dispensing unit 12c of another alternative media application device 10c. The media dispensing unit 12c has a nozzle unit 14c. The nozzle unit 14c is designed as a revolver nozzle unit. The nozzle unit 14c has four nozzle elements 16c, 106c, 108c, 110c. In the present exemplary embodiment, the nozzle unit 14c additionally has four valve elements 62c, 118c, 120c, 122c. In principle, however, it is conceivable for the nozzle unit 14c not to include any valve elements 62c, 118c, 120c, 122c. Each of the nozzle elements 16c, 106c, 108c, 110c is arranged behind each of the valve elements 62c, 118c, 120c, 122c, viewed in a media application direction 116c. A first nozzle element 16c is connected to a first valve element 62c by a first supply element 64c. A second nozzle element 106c is connected to a second valve element 118c by a second supply element 168c.A third nozzle element 108c is connected to a third valve element 120c by a third supply element 170c. A fourth nozzle element 110c is connected to a fourth valve element 122c by a fourth supply element 172c. By rotating the nozzle unit 14c about an axis imaginary in the direction of the media application direction 116c, the first nozzle element 16c and the first valve element 62c can be transferred into a working position, and simultaneously, the third nozzle element 108c and the third valve element 120c can be transferred into a cleaning position. In the working position, the first nozzle element 16c is provided for media output. In the cleaning position, the third nozzle element 108c is provided for cleaning by a cleaning element (not shown in detail) of a cleaning and / or contamination prevention unit.Media may be dispensed through the first valve element 62c and through the first nozzle element 16c, while simultaneously cleaning the third valve element 120c and the third nozzle element 108c.

[0120] It is conceivable that the media application device 10c in an application system 22a according to a Figure 5 illustrated embodiment, in particular with a control and / or regulating unit 24a.

[0121] Figure 10shows a media dispensing unit 12d of another alternative media application device 10d in a schematic sectional view. Shown is part of a cleaning and / or contamination prevention unit 112d. Also shown are a first valve element 62d and a first nozzle element 16d of a nozzle unit 14d. The first nozzle element 16d is arranged directly on the first valve element 62d. A medium is supplied to the first valve element 62d via a media supply element 68d of a media supply unit 60d. The cleaning and / or contamination prevention unit 112d has an actuator element 174d, a plunger element 176d, and a membrane element 178d for dispensing the medium through the first nozzle element 16d. The actuator element 174d is operatively connected to the plunger element 176d. The actuator element 174d is arranged around the plunger element 176d. The plunger element 176d is operatively connected to the diaphragm element 178d.The membrane element 178d is arranged on the first valve element 62d. The medium located in the first valve element 62d can be compressed by a movement of the membrane element 178d. The medium can be pressed and discharged by the first nozzle element 16d due to compression. The membrane element 178d is excited to move by a movement of the plunger element 176d. The plunger element 176d is excited to move by the actuator element 174d. The actuator element 174d is designed as a magnetic actuator. Alternatively, it is conceivable that the actuator element 174d is designed as an eddy current actuator or as a piezo actuator. The actuator element 174d is controlled and / or regulated by an electronic unit of the media application device 10d (not further shown here).The first valve element 62d and the first nozzle element 16d can be cleaned by a cleaning element (not shown) of the cleaning and / or contamination prevention unit 112d.

[0122] It is conceivable that the media application device 10d in an application system 22a according to a Figure 5 illustrated embodiment, in particular with a control and / or regulating unit 24a.

[0123] Figure 11shows a media output unit 12e of another alternative media application device 10e in a schematic sectional view. The media output unit 12e comprises a nozzle unit 14e. The nozzle unit 14e has a first valve element 62e. The first valve element 62e is designed as a solenoid valve. The first valve element 62e is controlled and / or regulated by an electronic unit of the media application device 10e (not further shown here). A medium is supplied to the first valve element 62e via a media supply element 68e of a media supply unit 60e. The medium is supplied to the first valve element 62e under an overpressure. The nozzle unit 14e has a first nozzle element 16e. The first nozzle element 16e is arranged directly on the first valve element 62e. The first nozzle element 16e is intended to discharge the medium under overpressure upon actuation of the first valve element 62e.The first valve element 62e and the first nozzle element 16e can be cleaned by a cleaning element (not shown in detail) of a cleaning and / or contamination prevention unit of the media application device 10e.

[0124] It is conceivable that the media application device 10e in an application system 22a according to a Figure 5 illustrated embodiment, in particular with a control and / or regulating unit 24a.

[0125] Figure 12shows part of an alternative application system 22f in a perspective sectional view. The application system 22f comprises a media application device 10f and a spray can unit 180f. The spray can unit 180f comprises a further nozzle unit 182f. The further nozzle unit 182f has a further nozzle element and a further valve element 184f. A cleaning and / or contamination prevention unit 112f of the media application device 10f has an actuator unit 186f. The actuator unit 186f is provided to actuate the further valve element 184f to dispense the medium through the further nozzle element. The further nozzle element is not shown in detail. The spray can unit 180f is designed as a spray can. The spray can unit 180f contains the medium. In addition, the spray can unit 180f contains a dissolved aerosol.The spray can unit 180f has a further fastening element 188f for attachment to a connection and / or fastening unit of the media application device 10f. The further fastening element 188f is designed as a clamp closure. The actuator unit 186f has a further plunger element 190f. The further plunger element 190f is provided for actuating the further valve element 184f. The further plunger element 190f is operatively connected to the further valve element 184f when the spray can unit 180f is mounted on the media application device 10f. The actuator unit 186f comprises a further actuator element 192f. The further actuator element 192f is provided for energizing the further plunger element 190f. The further actuator element 192f is arranged around the further plunger element 190f. The further actuator element 192f is designed as a magnetic actuator.Alternatively, it is conceivable that the further actuator element 192f is designed as an eddy current actuator or as a piezo actuator. The actuator unit 186f is controlled and / or regulated by an electronics unit of the media application device 10f (not further illustrated here).

[0126] It is conceivable that the media application device 10f in an application system 22a according to a Figure 5 illustrated embodiment, in particular with a control and / or regulating unit 24a.

[0127] Figure 13shows an exploded view of part of a media dispensing unit 12g of a further alternative media application device 10g in a perspective illustration. The media dispensing unit 12g comprises a nozzle unit 14g and a container 46g for receiving a medium. The media dispensing unit 12g comprises a lid 194g for closing the container 46g. The nozzle unit 14g is designed as an oscillation nozzle unit, in particular as a piezo nozzle unit. The nozzle unit 14g has at least one oscillation membrane 124g for dispensing a medium and at least one excitation element 126g for oscillatingly exciting the oscillation membrane 124g, in particular in an ultrasonic frequency range. The nozzle unit 14g is designed as an ultrasonic nozzle unit. The oscillation membrane 124g of the nozzle unit 14g can be excited to oscillate in an ultrasonic frequency range.The nozzle unit 14g is arranged at least in sections on the container 46g for receiving a medium. The nozzle unit 14g, in particular the oscillation membrane 124g of the nozzle unit 14g, forms a side wall 196g of the container 46g for receiving a medium at least in sections. The oscillation membrane 124g covers a feed opening 198g in the side wall 196g of the container 46g. The media output unit 12g comprises a media transport element 200g, which is provided for transporting a medium from the container 46g to the oscillation membrane 124g. The media transport element 200g is cylindrical. The media transport element 200g extends within the feed opening 198g and the container 46g. The 200g media transport element is absorbent and works according to a wick principle to supply a medium to the 124g oscillation membrane.Alternatively, it is conceivable that the media transport element 200g functions according to a sponge principle. The nozzle unit 14g is designed to dispense a variety of different media, such as lubricants, window defrosters, spray adhesives, mold removers, insect repellent, visibility spray, AdBlue, care products, cleaning agents, coolants, water, gravy, or the like.

[0128] The nozzle unit 14g is provided for dispensing a medium in order to at least partially atomize the medium. A media application device 10g comprising the nozzle unit 14g is provided for generating a spray pattern, for example by dispensing spray paint. However, it is also conceivable for the media application device 10g to be provided for use in a vehicle, wherein the nozzle unit 14g is provided, for example, for dispensing AdBlue for exhaust gas aftertreatment, for dispensing cleaning agent in an interior of the vehicle, or the like, or for the media application device 10g to be provided for use in a household appliance, for example in a refrigerator, a coffee machine, an oven, a robot mop, or a shower head or faucet, wherein the nozzle unit 14g is provided, for example, for automatically dispensing cleaning agent, water mist, gravy, or the like.is provided, or that the media application device 10g is provided for use on a machine tool, wherein the nozzle unit 14g is provided, for example, for dispensing coolant, lubricant or the like.

[0129] The nozzle unit 14g is operatively connected to a cleaning and / or contamination prevention unit of the media application device 10g (not further illustrated here). The cleaning and / or contamination prevention unit is provided for cleaning the oscillation membrane 124g, in particular a plurality of media passage openings 130g of the oscillation membrane 124g. Alternatively, it is conceivable that the nozzle unit 14g at least partially forms the cleaning and / or contamination prevention unit.

[0130] The oscillation membrane 124g is at least partially elastic, in particular capable of being excited to oscillate. The oscillation membrane 124g has a plurality of media passage openings 130g through which a medium can be discharged. The media passage openings 130g are designed as a perforation or hole in the oscillation membrane 124g. The oscillation membrane 124g is designed as an ultrasonic membrane. The oscillation membrane 124g is designed as an ultrasonic plate. The oscillation membrane 124g at least substantially forms a nozzle element 16g of the nozzle unit 14g. The oscillation membrane 124g has a circular surface shape, viewed in a main extension plane 202g of the oscillation membrane 124g. Alternatively, it is conceivable that the oscillation membrane 124g, viewed in the main extension plane 202g of the oscillation membrane 124g, is elliptical, polygonal, for example square or triangular, or the like.is trained.

[0131] The excitation element 126g is arranged on the oscillation membrane 124g, in particular, is operatively connected to the oscillation membrane 124g. The excitation element 126g is intended to excite the oscillation membrane 124g to oscillate at least substantially perpendicular to the main extension plane 202g of the oscillation membrane 124g. The oscillation membrane 124g and the excitation element 126g are designed such that the oscillation membrane 124g, as a result of an excitation transversely to the main extension plane 202g of the oscillation membrane 124g, touches the media transport element 200g and receives a part of a medium from the media transport element 200g and, by a subsequent movement of the oscillation membrane 124g in a direction facing away from the container 46g for receiving a medium, discharges the medium through the media passage openings 130g, in particular ejects it.Alternatively, it is conceivable that the media output unit 12g is designed free of a media transport element 200g and that the oscillation membrane 124g and the excitation element 126g are designed such that the oscillation membrane 124g, as a result of an excitation transversely to the main extension plane 202g of the oscillation membrane 124g, extends at least partially into a medium, for example within the container 46g for receiving the medium, on which the oscillation membrane 124g is arranged, thereby receiving a part of the medium and, by a subsequent movement of the oscillation membrane 124g in a direction facing away from the container 46g, outputs the medium through the media passage openings 130g, in particular by ejecting it.

[0132] The nozzle unit 14g is provided in particular for dispensing, in particular printing, media application points at an output frequency of at least 50 media application points per second, preferably at an output frequency of at least 100 media application points per second, and particularly preferably at an output frequency of at least 200 media application points per second. The excitation element 126g is provided in particular for oscillating excitation of the oscillation membrane 124g at an excitation frequency of at least 1 kHz, preferably at an excitation frequency of at least 16 kHz, particularly preferably at an excitation frequency of at least 20 kHz, and very particularly preferably at an excitation frequency of at least 130 kHz. In particular, the excitation element 126g is provided for oscillating excitation of the oscillation membrane 124g at an excitation frequency of at most 200 kHz.The excitation element 126g is provided for oscillating excitation of the oscillation membrane 124g with a predetermined, preferably adjustable, waveform, for example, with a sine waveform, a triangular waveform, a sawtooth waveform, or another waveform deemed appropriate by a person skilled in the art. A desired excitation frequency and / or waveform can be specified for the excitation element 126g by an electronic unit (not shown here) of the media application device 10g, in particular by applying an electrical voltage to the excitation element 126g. The excitation element 126g is designed as a piezoelectric crystal. A piezoelectric crystal changes its shape upon application of an electrical voltage to the piezoelectric crystal, which leads to oscillation of the oscillation membrane 124g through a mechanical coupling of the piezoelectric crystal to the oscillation membrane 124g.Alternatively, it is conceivable that the excitation element 126g is designed as a MEMS actuator, as an ultrasonic converter or the like.

[0133] The excitation element 126g is arranged at least substantially annularly on the oscillation membrane 124g along an at least substantially complete maximum circumference of the oscillation membrane 124g. In particular, the excitation element 126g is arranged at least substantially annularly on the oscillation membrane 124g along at least 60% of the maximum circumference of the oscillation membrane 124g, preferably along at least 75% of the maximum circumference of the oscillation membrane 124g, particularly preferably along at least 90% of the maximum circumference of the oscillation membrane 124g, and very particularly preferably along the entire maximum circumference of the oscillation membrane 124g. The excitation element 126g is mechanically coupled to the oscillation membrane 124g along the at least substantially complete maximum circumference of the oscillation membrane 124g.The oscillation membrane 124g is attached to the excitation element 126g along at least substantially the entire maximum circumference of the oscillation membrane 124g. The excitation element 126g limits an extension of the oscillation membrane 124g in the main extension plane 202g of the oscillation membrane 124g. The excitation element 126g is designed as a piezo ring. Alternatively, it is conceivable that the excitation element 126g is designed as a MEMS ring or the like. The nozzle unit 14g has a fastening ring 204g. The fastening ring 204g is provided for attaching the oscillation membrane 124g and the excitation element 126g, in particular the excitation element 126g to which the oscillation membrane 124g is attached, to the container 46g. Alternatively, it is conceivable that the excitation element 126g and / or the oscillation membrane 124g can be attached directly to the container 46g.

[0134] The oscillation membrane 124g has at least one perforation grid 128g of media passage openings 130g, which is configured such that media application dots with a maximum diameter greater than 1 mm can be generated by means of the nozzle unit 14g. The perforation grid 128g of media passage openings 130g is configured such that media application dots with a maximum diameter greater than 1 mm can be printed by means of the nozzle unit 14g.In particular, the oscillation membrane 124g has at least one perforation grid 128g of media passage openings 130g, which is designed such that media application points having a maximum diameter of greater than 1 mm can be generated by means of the nozzle unit 14g at a distance of the nozzle unit 14g of at most 50 cm from a surface (not shown in more detail here) onto which a media output takes place, preferably at a distance of the nozzle unit 14g of at most 35 cm from the surface, particularly preferably at a distance of the nozzle unit 14g of at most 20 cm from the surface and very particularly preferably at a distance of the nozzle unit 14g of at most 10 cm from the surface.In particular, for printing media application points, the nozzle unit 14g is at a distance of at most 1 cm from a surface to be printed, preferably at most 5 mm from a surface to be printed, and particularly preferably at most 3 mm from a surface to be printed. The perforation grid 128g is formed as a region of the oscillation membrane 124g in which the media passage openings 130g are arranged. The perforation grid 128g can have different shapes, in particular depending on the shape of the media application points to be generated. In . Figure 13The perforation grid 128g is hexagonal. Alternatively, it is conceivable that the perforation grid 128g is circular, elliptical, oval, polygonal, for example square, rhombic, triangular or trapezoidal, semicircular, or the like. The perforation grid 128g is arranged in a central region of the oscillation membrane 124g. The central region of the oscillation membrane 124g is a region around a center point, in particular in the main extension plane 202g of the oscillation membrane 124g.

[0135] The media passage openings 130g have diameters that are at least three times as large as the maximum particle size of a medium to be dispensed. The media passage openings 130g extend at least substantially perpendicular to the main extension plane 202g of the oscillation membrane 124g through the oscillation membrane 124g. The media passage openings 130g can be cylindrical, frustoconical, or similar. The media passage openings 130g are arranged equidistant from one another. The oscillation membrane 124g has in particular a density of media passage openings 130g of at least 1 media passage opening 130g per mm 2< , preferably of at least 5 media passage openings 130g per mm 2< , particularly preferably of at least 10 media passage openings 130g per mm 2< and very particularly preferably of at least 20 media passage openings 130g per mm 2<.A nozzle unit 14g provided for spraying and / or atomizing a medium can preferably comprise an oscillation membrane 124g having a density of media passage openings 130g of at least 80 media passage openings 130g per mm². The cleaning and / or contamination prevention unit is provided to clean the media passage openings 130g, in particular to flush, blow, or similarly clear the media passage openings 130g in the event of a blockage.

[0136] It is conceivable that the media application device 10g in an application system 22a according to a Figure 5 illustrated embodiment, in particular with a control and / or regulating unit 24a.

[0137] Figure 14 shows different embodiments of an alternative perforation grid 128g' of the media output unit 12g from Fig. 13in a schematic representation. 24 different embodiments of the perforation grid 128g' are shown as examples. The perforation grid 128g' can, for example, be drawn as a circle 206g', as an equilateral triangle 208g', as a square 210g', as a pentagon 212g', as an ellipse 214g', as an isosceles triangle 216g', as a rectangle 218g', as a heptagon 220g', as a rhombus 222g', as an oval 224g', as a compressed isosceles triangle 226g', as a parallelogram 228g', as an octagon 230g', as a curvilinear triangle 232g', as a semicircle 234g', as a right-angled triangle 236g', as an isosceles trapezoid 238g', as a nonagon 240g', as a quatrefoil 242g', as a crescent moon 244g', as a kite 246g', as a trapezoid 248g', as a decagon 250g', as a pentagram 252g' or similar.

[0138] Figure 15shows a further alternative application system 22h in a schematic representation. The application system 22h comprises a media application device 10h and an interchangeable reservoir device 134h that can be coupled to the media application device 10h. The interchangeable reservoir device 134h is in Figure 15shown in a state decoupled from the media application device 10h. The interchangeable reservoir device 134h can be pushed at least partially into the media application device 10h along a first arrow direction 254h. The interchangeable reservoir device 134h has at least one oscillation membrane 136h for dispensing a medium, wherein the oscillation membrane 136h can be excited to vibrate by means of at least one excitation element 138h of the interchangeable reservoir device 134h and / or the media application device 10h, in particular in an ultrasonic frequency range. The media application device 10h has at least one fixing unit 256h for a coupling, in particular a force-fitting and / or form-fitting, to the interchangeable reservoir device 134h.The fixing unit 256h is provided for a press connection with the interchangeable reservoir device 134h, in particular the oscillation membrane 136h of the interchangeable reservoir device 134h, to a housing 40h of the media application device 10h. The fixing unit 256h has at least one actuating lever 258h, which is provided for fixing the interchangeable reservoir device 134h, in particular the oscillation membrane 136h of the interchangeable reservoir device 134h, to the housing 40h of the media application device 10h. To fix the interchangeable reservoir device 134h, the actuating lever 258h is pivotable along a second arrow direction 260h. Alternatively or additionally, it is conceivable that the fixing unit 256h is provided with a clamping connection, a screw connection, a vacuum connection or another connection with the interchangeable reservoir device 134h that appears appropriate to a person skilled in the art.In particular, the fixing unit 256h is provided for fixing the interchangeable reservoir device 134h, in particular the oscillation membrane 136h of the interchangeable reservoir device 134h, with a holding force, in particular a pressing force, of at least 5 N, preferably of at least 7 N and particularly preferably of at least 10 N, in particular to the housing 40h of the media application device 10h.

[0139] Figure 16 shows the further alternative order system 22h from Fig. 15 in a further schematic representation. The exchange reservoir device 134h is in Figure 16 shown in a state coupled to the media application device 10h. The interchangeable reservoir device 134h is fixed to the housing 40h of the media application device 10h by means of the fixing unit 256h.

[0140] Figure 17 shows the exchange reservoir device 134h of the further alternative application system 22h from Fig. 15in a further schematic representation. The interchangeable reservoir device 134h has at least one interchangeable container 262h for receiving a medium. The interchangeable container 262h is designed to be at least substantially fluid-tight. The interchangeable reservoir device 134h, in particular the interchangeable container 262h, is intended for single use. The interchangeable reservoir device 134h, in particular the interchangeable container 262h, is intended for disposal after being completely emptied. Alternatively, it is conceivable for the interchangeable reservoir device 134h to be reusable, in particular for the interchangeable container 262h to be refillable. The interchangeable container 262h has, in particular, a maximum volume for receiving a medium of at most 125 ml, preferably of at most 100 ml, and particularly preferably of at most 75 ml.The interchangeable reservoir device 134h has at least one fill level indicator 264h for indicating a remaining volume and / or a color of a medium in the interchangeable container 262h. The fill level indicator 264h is designed as an at least partially transparent portion of the interchangeable container 262h, in particular as a viewing window. Alternatively, it is conceivable that the fill level indicator 264h is designed as a fill level sensor, for example, with an optical, acoustic, and / or haptic output.

[0141] The interchangeable reservoir device 134h comprises the individual oscillation membrane 136h, which is matched to a medium located in the interchangeable container 262h, in particular with regard to a diameter, a material, a material thickness, a number and / or arrangement of media passage openings of the oscillation membrane 136h, a diameter and / or a shape of the media passage openings, or the like. Alternatively, it is conceivable that the interchangeable reservoir device 134h has a plurality of oscillation membranes 136h. The oscillation membrane 136h of the interchangeable reservoir device 134h is at least substantially analogous to the previously described oscillation membrane 124g of the nozzle unit 14g of the media application device 10g of the Figure 13In particular, with regard to the design and / or operation of the oscillation membrane 136h of the exchange reservoir device 134h, reference may be made to the description of the oscillation membrane 124g of the nozzle unit 14g of the media application device 10g of the Figure 13 illustrated embodiment. The oscillation membrane 136h of the interchangeable reservoir device 134h, when the interchangeable reservoir device 134h is arranged on the media application device 10h, at least partially forms a nozzle element 16h of the media application device 10h. The oscillation membrane 136h is arranged on the interchangeable container 262h, in particular, at least in sections, forms a wall of the interchangeable container 262h. The oscillation membrane 136h is in contact with a medium located in the interchangeable container 262h (cf. Figure 18). In a use state of the interchangeable reservoir device 134h, a medium is supplied to the oscillation membrane 136h by a force of gravity acting on the medium. The oscillation membrane 136h, in particular the media passage openings of the oscillation membrane 136h (not further shown here), is / are designed such that the oscillation membrane 136h seals the interchangeable container 262h at least substantially fluid-tight in an excitation-free state. Alternatively or additionally, it is conceivable for the interchangeable reservoir device 134h to comprise at least one sealing element, for example a flap movable in front of the oscillation membrane 136h, which is provided for an at least substantially fluid-tight seal of the interchangeable container 262h.

[0142] The exchange reservoir device 134h has at least one excitation element 138h, in particular a piezo ring. The excitation element 138h is at least substantially analogous to the previously described excitation element 126g of the nozzle unit 14g of the media application device 10g of the Figure 13 In particular, with regard to the design and / or functioning of the excitation element 138h of the exchange reservoir device 134h, reference may be made to the description of the excitation element 126h of the nozzle unit 14g of the media application device 10g of the Figure 13illustrated embodiment. The interchangeable reservoir device 134h has at least one electrical contact for controlling and / or supplying energy to the excitation element 138h of the interchangeable reservoir device 134h by the media application device 10h, in particular by an electronics unit of the media application device 10h (not shown here). Alternatively or additionally, it is conceivable for the media application device 10h to comprise at least one excitation element for oscillatingly exciting the oscillation membrane 136h of the interchangeable reservoir device 134h. In particular, the interchangeable reservoir device 134h in such an embodiment can comprise at least one mechanical contact, in particular a contact surface, which is provided in particular to vibrationally couple the excitation element of the media application device 10h to the oscillation membrane 136h of the interchangeable reservoir device 134h.

[0143] Figure 18 shows the exchange reservoir device 134h from Fig. 17 in a schematic sectional view. The exchange reservoir device 134h is compared to Figure 17 rotated by 90°. A fluid surface 266h of a fluid located in the interchangeable container 262h can be seen. The interchangeable reservoir device 134h has at least one identification unit 140h for mechanical, optical, electronic, and / or electromagnetic identification by at least one detection unit 142h of the media application device 10h (cf. Figure 16). The identification unit 140h is provided to provide the detection unit 142h with at least one identification parameter that uniquely identifies the interchangeable reservoir device 134h. The detection unit 142h is provided to use the identification parameter to infer parameters of the interchangeable reservoir device 134h, such as, for example, a maximum volume of the interchangeable container 262h, a medium contained in the interchangeable container 262h, a design of the oscillation membrane 136h, a design of the excitation element 138h, or the like. For each known identification parameter, the corresponding parameters of the interchangeable reservoir device 134h can be stored in a memory unit of the detection unit 142h and / or the electronics unit of the media application device 10h.Alternatively, it is conceivable that the identification unit 140h is provided to provide the detection unit 142h with all parameters of the interchangeable reservoir device 134h. Different interchangeable reservoir devices 134h can be designed to hold different media, in particular from a food sector, for example, fat, oil, chocolate, or cake icing; from a cleaning sector, for example, special cleaners, impregnating agents, glass cleaners, or air fresheners; from a plant care sector, for example, plant protection products or fertilizers; from a health and / or hygiene sector, for example, disinfectants or spray plasters; from a cosmetics sector, such as shower gel, liquid soap, sunscreen, or makeup; or from other sectors, such as adhesives, lubricants, or spray film.For example, it is conceivable that the identification unit 140h is provided to provide different identification parameters depending on the different media located in the swap body 262h.

[0144] In the present exemplary embodiment, the identification unit 140h is provided, for example, for electromagnetic identification. The identification unit 140h comprises at least one electromagnetic identification element 268h for electromagnetic identification, which differs depending on various parameters of the interchangeable reservoir device 134h and can be electromagnetically detected by the detection unit 142h. The electromagnetic identification element 268h is designed as a magnetic strip. Alternatively, it is conceivable that the electromagnetic identification element 268h is designed as a radio frequency transmitter, as a magnetic ink, or the like. Alternatively or in addition to electromagnetic identification, it is conceivable that the identification unit 140h is provided for mechanical, optical, and / or electronic identification.In particular, the identification unit 140h can comprise at least one mechanical identification element for mechanical identification that can be mechanically detected by the detection unit 142h. The mechanical identification element can be designed in particular as an actuating pin of different lengths depending on various parameters of the interchangeable reservoir device 134h, as a compression spring of different tension depending on various parameters of the interchangeable reservoir device 134h, or the like. In particular, the identification unit 140h can comprise at least one optical identification element for optical identification that can be optically detected by the detection unit 142h and that differs depending on various parameters of the interchangeable reservoir device 134h. The optical identification element can be designed in particular as an optical coding, for example as a QR code, as a barcode, or the like., as plain text, as a color code, as a shape code, or as another optical identification element that appears appropriate to a person skilled in the art. Alternatively or in addition to the detection unit 142h, it is conceivable that a control and / or regulating unit of the application system 22h, in particular a detection device of the control and / or regulating unit, is provided for identifying the interchangeable reservoir device 134h, in particular by scanning an optical identification element of the identification unit 140h. In particular, the identification unit 140h can comprise at least one electronic identification element for electronic identification that is different depending on various parameters of the interchangeable reservoir device 134h and that can be electronically detected by the detection unit 142h.The electronic identification element can be designed, in particular, as an electronic contact, a microchip, or another electronic identification element that appears appropriate to a person skilled in the art. The electronics unit of the media application device 10h is provided for setting parameters of the media application device 10h depending on an identification of the interchangeable reservoir device 134h.

[0145] The interchangeable reservoir device 134h has at least one suction unit 144h, which is provided to prevent uncontrolled leakage of the medium. The suction unit 144h is provided to prevent leakage of the medium from the interchangeable container 262h, in particular other than discharge through the oscillation membrane 136h, for example in the event of a defect or a leak in the interchangeable container 262h. The suction unit 144h is arranged in an interior space 270h of the interchangeable container 262h. Alternatively, it is conceivable that the suction unit 144h can be arranged, in particular automatically, in the interior space 270h of the interchangeable container 262h. The suction unit 144h is formed at least partially from an absorbent material. The suction unit 144h is provided to at least partially receive the medium, in particular to absorb it, in particular according to a wick principle or a sponge principle.The absorption unit 144h is designed as a sponge. Alternatively, it is conceivable that the absorption unit 144h is designed as a vacuum cleaner or the like. Alternatively or additionally, it is conceivable that a cleaning and / or contamination prevention unit of the media application device 10h, in particular a media return unit of the cleaning and / or contamination prevention unit, is provided to prevent uncontrolled leakage of the medium (not shown here).

[0146] It is conceivable that the media application device 10f in an application system 22a according to a Figure 5 illustrated embodiment, in particular with a control and / or regulating unit 24a.

Claims

1. Paint application device having at least one media output unit (12a-12e; 12g), comprising at least one nozzle unit (14a-14e; 14g) with at least one nozzle element (16a-16e; 16g; 16h; 106c, 108c, 110c) for an output of at least one medium on at least one surface (18a) and with at least one electronic unit (20a; 20b), at least for open-loop and / or closed-loop control of the media output unit (12a-12e; 12g), characterized in that at least one nozzle parameter of the nozzle element (16a-16e; 16g; 16h; 106c, 108c, 110c) can be set and / or adjusted, wherein the nozzle unit (14g) comprises at least one oscillation membrane (124g) for an output of a medium and at least one excitation element (126g) for a vibrating excitation of the oscillation membrane (124g), in particular in an ultrasonic frequency range, wherein the oscillation membrane and the excitation element are formed such that, as a consequence of an excitation transversely to the main plane of extent of the oscillation membrane, the oscillation membrane comes into contact with a media transport element, which is part of the media output unit and provided to transport a medium from a container for receiving a medium to the oscillation membrane, and receives some of a medium from the media transport element and, by way of a subsequent movement of the oscillation membrane in a direction away from the container for receiving a medium, outputs, more particularly ejects, the medium through the media passage openings, wherein the oscillation membrane comprises a plurality of media passage openings, in particular in the form of a perforation.

2. Paint application device according to Claim 1, characterized in that the excitation element (126g) is arranged at least substantially in ring-shaped fashion on the oscillation membrane (124g) along a complete maximum circumference of the oscillation membrane (124g).

3. Paint application device according to Claim 1 or 2, characterized in that the oscillation membrane (124g) comprises at least one perforation grid (128g; 128g') of media passage openings (130g), which is designed such that media application points that have a maximum diameter greater than 1 mm can be created by means of the nozzle unit (14g).

4. Paint application device according to any of the preceding claims, characterized by at least one operating unit (132a) and / or an operating function, wherein the operating unit (132a) and / or the operating function are / is provided for the stepped or continuous control of a greyscale value or a colour intensity of at least one single point.

5. Application system having at least one paint application device according to any of the preceding claims and having at least one open-loop and / or closed-loop control unit (24a), characterized in that the open-loop and / or closed-loop control unit (24a) comprises at least one detection device (26a) provided for detecting at least one position and / or orientation of the media application device relative to at least one surface (18a), and in that at least one electronic unit (20a; 20b) of the media application device is provided for open-loop and / or closed-loop control of at least one media output unit (12a) of the media application device (10a) on the basis of at least one characteristic of the detection device (26a).

6. Application system according to Claim 5, characterized in that the electronic unit (20a) is provided for open-loop and / or closed-loop control of the media output unit (12a) such that an output of at least one medium takes place only in the event of an at least substantially perpendicular orientation of the media output unit (12a) relative to the surface (18a).

7. Application system according to Claim 5 or 6, characterized in that the detection device (26a) is provided for detecting at least one region (28a) which differs from further regions of the surface (18a) and in which the electronic unit (20a) subjects the media output unit (12a) to such open-loop and / or closed-loop control that an output of the medium does not happen.

8. Application system according to any of Claims 5 to 7, characterized in that the open-loop and / or closed-loop control unit (24a) comprises at least one inclination sensor unit (30a) which is provided to detect at least one inclination of the detection device (26a), at least relative to the surface (18a), and to compensate the detected inclination.

9. Application system according to any of Claims 5 to 8, having at least one interchangeable reservoir device (134h) that can be coupled to the paint application device and serves to receive at least one medium, characterized in that the interchangeable reservoir device (134h) comprises at least one oscillation membrane (136h) for an output of the medium, wherein the oscillation membrane (136h) is vibrationally excitable by means of at least one excitation element (138h) of the interchangeable reservoir device (134h) and / or the media application device, in particular in an ultrasonic frequency range.

10. Application system according to Claim 9, characterized in that the interchangeable reservoir device (134h) comprises at least one identification unit (140h) for a mechanical, optical, electronic and / or electromagnetic identification by at least one detection unit (142h) of the media application device.

11. Application system according to Claim 9 or 10, characterized in that the interchangeable reservoir device (134h) comprises at least one suction unit (144h) that is provided to prevent an uncontrolled leakage of the medium.

12. Method for operating an application system of an application system according to any of Claims 5 to 11, characterized in that at least a number and / or type of media required for an at least substantially uninterrupted media application process are / is calculated in advance and output to at least one user (38a).