EP1394757A2 - Sensor device for a painting installation - Google Patents

Sensor device for a painting installation Download PDF

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Publication number
EP1394757A2
EP1394757A2 EP03019861A EP03019861A EP1394757A2 EP 1394757 A2 EP1394757 A2 EP 1394757A2 EP 03019861 A EP03019861 A EP 03019861A EP 03019861 A EP03019861 A EP 03019861A EP 1394757 A2 EP1394757 A2 EP 1394757A2
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EP
European Patent Office
Prior art keywords
sensor
transmitter
receiver
arrangement according
sensor arrangement
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Granted
Application number
EP03019861A
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German (de)
French (fr)
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EP1394757B1 (en
EP1394757A3 (en
Inventor
Michael Baumann
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Duerr Systems AG
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Duerr Systems AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
    • B05B12/006—Pressure or flow rate sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/04—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces
    • B05B5/0422—Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements, i.e. spraying being also effected by centrifugal forces comprising means for controlling speed of rotation

Definitions

  • the invention relates to a sensor arrangement for a coating system according to the preamble of claim 1 and a coating system with such a sensor arrangement.
  • optical fibers are relatively fragile, which is at excessive mechanical stress on the sensor assembly can lead to a malfunction of the speed measurement.
  • the invention is therefore the object of the above described known sensor arrangement to improve that a larger component modularity is possible, the mechanical Resilience should be as large as possible.
  • the object is, starting from the well-known known Sensor arrangement according to the preamble of claim 1, solved by the characterizing features of claim 1.
  • the invention includes the general technical teaching, for transmission provide the sensor signal a transmitter and a receiver, being a wireless connection between the transmitter and consists of the recipient.
  • a wireless connection between the sender and the receiver is on the one hand the unlimited mechanical load capacity of the compound, whereas a connection through optical fibers is relatively fragile is.
  • a wireless connection between the transmitter and the receiver advantageously any component modularity, because in contrast to optical fibers no separation points occur at the transitions between the individual modules.
  • the inventive use of a wireless connection with a transmitter and a receiver advantageously allows an arrangement the sensor in a moving component of a coating plant, whereas the sensor in the above-described known sensor arrangement arranged stationary and over Optical fiber connected to the movable rotary atomizer is.
  • the senor is thus preferably on a moving part of the coating system attached while the receiver is arranged stationary.
  • the between the transmitter and the receiver thus occurring relative movement
  • the connection between the Transmitter and the receiver is wireless.
  • the transmitter is a radio transmitter and at the receiver corresponding to a radio receiver, wherein between the radio transmitter and the radio receiver a wireless Radio connection exists.
  • the transmitter is an optical Transmitter and the receiver is an optical receiver, wherein between the optical transmitter and the optical receiver a line of sight exists.
  • the sensor signals an infrared transmitter are used, whose signal is picked up by an infrared receiver.
  • the transmitter is an acoustic Transmitter and the receiver corresponding to an acoustic receiver is.
  • the receiver corresponding to an acoustic receiver is.
  • the signal from an ultrasonic receiver is detected.
  • the wireless connection between the Transmitter and the receiver an electrical potential separation, so that the transmitter on the one hand and the receiver on the other can lie different electrical potentials.
  • the transmitter can thus in the sensor arrangement according to the invention are also at a high voltage potential, while the receiver is at a low voltage potential or is at a ground potential.
  • the sensor may be, for example, a pressure sensor act, which measures a print size of the coating system, such as for example, the pressure of a medium (air, coating, Solvent) of the coating system.
  • a medium air, coating, Solvent
  • the drive air pressure the Lenkluftdruck
  • the Solvent printing color printing or line pressure as too to call measuring pressure size.
  • the senor detects the position the positioning speed and / or the state of a component of Coating plant.
  • the senor may be a pig sensor that detects the position, the speed and / or an identification of a pig detected.
  • the pig sensor can each output a signal when the pig passes a certain line section or is located in the line section.
  • the Sensor detects the position of a nozzle needle of the coating system, which is preferably the main needle of a rotary atomizer is.
  • the senor the position of a cylinder of a Piston doser or a piston pump a coating plant to capture.
  • the senor is a rotation sensor is the speed, the angle of rotation and / or the Direction of rotation of a turbine wheel of a rotary atomizer detected.
  • the senor can also adjust the position and / or the Adjustment speed of one or more axes of a painting robot capture the coating system.
  • the invention also a complete coating system with such a sensor arrangement.
  • FIG. 1 shows a largely conventional Turbine wheel 1 used in a rotary atomizer turbine can be, for example, known from DE 43 06 800 C2 is.
  • Turbine wheel 1 used in a rotary atomizer turbine
  • DE 43 06 800 C2 With regard to the structural design of Rotationszerstäuberturbine and the complete rotary atomizer Therefore, for reasons of simplification, reference is made to DE 43 06 800 C2, their contents to the full extent attributable to this description is.
  • the turbine wheel 1 has a Glockentellerwelle 2, wherein on 1 left side of the bell-tower shaft second a bell plate can be mounted. Furthermore, the turbine wheel 1 a circular disk-shaped rotor 3, wherein on the bell-plate-side end face of the rotor 3 numerous Turbine blades 4 are arranged distributed over the circumference. During operation of the rotary atomizer, the turbine blades become 4 blown by a so-called drive air, which is well known.
  • an optical marking is attached, which is both a provision the rotational speed of the turbine wheel 1 and a Determining the direction of rotation of the turbine wheel 1 allows.
  • the optical marking consists of several circular segment-shaped Coatings distributed on the face 5 over the circumference are applied.
  • an optical sensor 6 On the side facing away from the bell plate of the rotor 3 is an optical sensor 6 is arranged, which has the different reflectivity the optical marks and the otherwise matte end face 5 detected and a corresponding electrical Signal to a transmitter 7 bader endeavor.
  • the transmitter 7 radiates via an antenna 8 from a radio signal, the is received by an antenna 10 via an antenna 9, wherein the antennas 8, 9 are shown here only schematically.
  • the Receiver 10 then outputs a corresponding electrical signal from which an evaluation unit determines the speed and the direction of rotation of the turbine wheel 1 can determine.
  • the transmitter 7 is in this case arranged in the rotary atomizer, which can be moved by a painting robot. Furthermore the transmitter 7 is located with the sensor 6 and the antenna 8 during the operation of the rotary atomizer at a high voltage potential, so that no electrical insulation of the receiver 7, the sensor 6 or the antenna 8 with respect to the rotary atomizer is required.
  • the receiver 10 is stationary in the cabin wall of a Paint booth arranged and therefore only minor mechanical in operation Exposed to stress.
  • the Receiver 10 grounded, with the wireless connection between the transmitter 7 and the receiver 10 enables potential separation.
  • Figure 2 shows another embodiment of an inventive Sensor assembly that is used to position to determine a pig 11 in a piggable line 12.
  • the pig 11 on a permanent magnet 13, the a magnetic field sensor 14 drives, wherein the magnetic field sensor 14 is disposed on the outside of the conduit 12.
  • the magnetic field sensor 14 When the pig 11 is at the position shown in FIG. thus, the magnetic field sensor 14 generates due to the permanent magnet 13 an electrical signal to a transmitter 15th is passed on.
  • the transmitter 15 then transmits a corresponding one Radio signal via an antenna 16, wherein the radio signal is received by a receiver 17 via an antenna 18.
  • the Receiver 17 Of the Receiver 17 then indicates a corresponding electrical signal an evaluation unit on, wherein the evaluation unit for Simplification is not shown.
  • FIG. 3 shows a rotary atomizer 19, which is largely conventional, so to supplement the following description with the relevant ones State of the art is referenced.
  • the rotary atomizer 19 For mounting the rotary atomizer 19 has this on his mounting side end face a mounting flange 20 with a Fastening pin 21 on which a mechanical attachment on a robot arm of a painting robot.
  • a conventional frusto-conical Bell plates 22 are attached, the only here is shown in dashed lines and in operation of the rotary atomizer 19 by a compressed air turbine 23 at a high speed is driven.
  • the rotation of the bell cup 22 leads in this case, that the introduced into the interior of the bell cup 22 Coating axially and in particular radially accelerated is sprayed and at a bell plate tear-off becomes.
  • the drive of the compressed air turbine 23 takes place here by compressed air, that of the painting robot via the mounting flange 20th is guided, wherein the supply of the drive air here for simplicity not shown.
  • a so-called shaping air ring 24 is provided, in the bell-plate-side end face of a housing 25 of the rotary atomizer 19 is arranged.
  • the directing ring 24 are a plurality of axially directed shaping air nozzles 26, 27th arranged over the in the operation of the rotary atomizer 19 a Steering air flow axially outside on the conical surface of the Bell plate 22 can be blown.
  • the shaping air nozzles 26, 27th blown out shaping air is shaped so the spray and the desired beam width set.
  • the supply of the shaping air for the two shaping air nozzles 26, 27 takes place in each case by a flange opening 28, 29, the in arranged the mounting flange 20 of the rotary atomizer 19 are.
  • the position of the flange openings 28, 29 within the End face of the mounting flange 20 is in this case by the Position of the corresponding connections on the associated mounting flange specified by the painting robot.
  • the outer shaping air nozzle 26 is in this case by a Lenkluft Gustav 30 supplied to the outside of the compressed air turbine 23 between the housing 25 and the compressed air turbine 23 along is guided.
  • the flange opening 28 opens first in an axially extending tap hole 31, which then into a radial extending tap hole 32 passes, wherein the radially extending Sting bore 32 finally on the outside of a Valve housing 33 in a space between the housing 25th and the valve housing 33 opens.
  • the draft air is then at the Compressed air turbine 23 guided past in a so-called air space 34, from where they finally pierced through holes 35 in the Steering ring 24 reaches the shaping air nozzle 26.
  • the supply of the shaping air for the shaping air nozzle 27 takes place, however by a Lenkluft effet 36, of the flange 29th in the mounting flange 20 starting axially and kink-free passes through the valve housing 33.
  • the Lenkluft effet 36 also axially by a bearing unit 37 of the Air turbine 23.
  • the radial distance of the shaping air line 36 from the axis of rotation of the bell cup 22 is greater than the outer diameter of not shown for simplicity Turbinenrads, so that the Lenklufttechnisch 36 on the outside of the turbine wheel runs.
  • the Lenkluft effet 36 then opens bell-plate side in a further air space 38, the between a substantially cylindrical portion 39 of the compressed air turbine 23 and a surrounding cover 40 is arranged is.
  • the holes 41 in the section 39 of the compressed air turbine 23 consist of one of the lateral surface of the Section 39 outgoing radial tap hole and one of the bell-plate-side end face of the section 39 outgoing axial tap hole, which is a simple Assembly possible.
  • This radio signal is received by a receiver 43 via an antenna 44 received and forwarded to an evaluation unit, wherein the evaluation unit not shown for simplicity is.
  • the invention is not limited to those described above Embodiments limited. Rather, a variety Variants and variations conceivable, also from use the idea of the invention and therefore in the Protection range fall.

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Spray Control Apparatus (AREA)
  • Coating Apparatus (AREA)

Abstract

The sensor arrangement has at least one sensor (6) for detecting at least one operating parameter of the coating system and for generating a corresponding sensor signal. A radio transmitter (7) is connected to the sensor and transmits the measurement signal to a receiver (10) for receiving the transmitted sensor signal and a wireless connection between the transmitter and receiver. The sensor is preferably optical, and e.g. provides a measurement of the rotation speed and direction of an air turbine used to drive part of the coating equipment by sensing optical markings distributed around a front surface (5) of the turbine wheel. An Independent claim is included for a coating installation using the remote measuring method.

Description

Die Erfindung betrifft eine Sensoranordnung für eine Beschichtungsanlage gemäß dem Oberbegriff des Anspruchs 1 sowie eine Beschichtungsanlage mit einer derartigen Sensoranordnung.The invention relates to a sensor arrangement for a coating system according to the preamble of claim 1 and a coating system with such a sensor arrangement.

In modernen Lackieranlagen werden bekanntermaßen Rotationszerstäuber eingesetzt, bei denen ein sogenannter Glockenteller von einer Druckluftturbine mit hohen Drehzahlen angetrieben wird. Der Glockenteller ist hierbei in der Regel kegelstumpfförmig und erweitert sich in Sprührichtung, wobei das aufzutragende Beschichtungsmittel in dem kegelstumpfförmigen Glockenteller aufgrund der Zentrifugalkräfte axial und insbesondere radial beschleunigt wird, so dass an der Glockentellerabrisskante ein kegelförmiger Sprühstrahl entsteht.In modern painting plants are known rotary atomizer used in which a so-called bell plate of a compressed air turbine is driven at high speeds. The bell plate is hereby usually frustoconical and expands in spray direction, wherein the coating agent to be applied in the frusto-conical bell cup due to the centrifugal forces axially and in particular radially accelerated becomes, so that at the bell-plate tear-off edge a cone-shaped Spray jet is created.

Aus DE 43 06 800 A1 ist es weiterhin bekannt, die Drehzahl der Druckluftturbine zu messen. Hierzu sind an dem Turbinenrad der Druckluftturbine reflektierende Markierungen angebracht, die mit dem Turbinenrad rotieren und über Lichtwellenleiter von einem stationären optischen Sensor abgetastet werden. Zur Erreichung eines guten Lackierergebnisses liegt der Rotationszerstäuber mit der Druckluftturbine hierbei auf einem Hochspannungspotential, während die zu lackierenden Werkstücke und der optische Sensor elektrisch geerdet sind.From DE 43 06 800 A1 it is also known, the speed of Air turbine to measure. For this purpose, on the turbine wheel of Compressed air turbine reflective markings attached with rotate the turbine wheel and over optical fibers of a be scanned stationary optical sensor. To achieve a good Lackierergebnisses is the rotary atomizer with the compressed air turbine here at a high voltage potential, while the workpieces to be painted and the optical sensor are electrically grounded.

Die Verwendung von flexiblen Lichtwellenleitern zur Abtastung der optischen Markierungen an dem Turbinenrad ermöglicht eine stationäre Anordnung des optischen Sensor und eine Potentialtrennung des Sensors gegenüber dem Hochspannungspotential des Rotationszerstäubers. The use of flexible optical fibers for scanning the optical markings on the turbine wheel allows a stationary arrangement of the optical sensor and a potential separation of the sensor against the high voltage potential of the Rotary atomizer.

Nachteilig an dieser bekannten Sensoranordnung mit.Lichtwellenleitern ist zum einen die Tatsache, dass zur Umsetzung des in den Lichtwellenleitern übertragenen Lichtsignals in ein elektrisches Signal relativ große optoelektrische Wandler.A disadvantage of this known sensor arrangement mit.Lichtwellenleitern is, on the one hand, the fact that the implementation of the in the light waveguides transmitted light signal into an electrical Signal relatively large opto-electrical converter.

Zum anderen ist bei einer Lichtwellenleiterverbindung nur eine relativ geringe Anzahl von Trennstellen möglich, da an jeder Trennstelle Übertragungsverluste auftreten. Bei zunehmender Bauteilmodularität von modernen Beschichtungsanlagen und entsprechend zunehmender Anzahl der Trennstellen stößt die bekannte Lichtleitertechnik somit an Grenzen.On the other hand, in an optical fiber connection only one relatively small number of separation points possible because at each Separation point transmission losses occur. With increasing component modularity of modern coating equipment and accordingly increasing number of separation points encounters the well-known Fiber optic technology on borders.

Ferner sind Lichtwellenleiter relativ bruchempfindlich, was bei einer übermäßigen mechanischen Beanspruchung der Sensoranordnung zu einem Funktionsausfall der Drehzahlmessung führen kann.Furthermore, optical fibers are relatively fragile, which is at excessive mechanical stress on the sensor assembly can lead to a malfunction of the speed measurement.

Der Erfindung liegt somit die Aufgabe zugrunde, die vorstehend beschriebene bekannte Sensoranordnung dahingehend zu verbessern, dass eine größere Bauteilmodularität möglich ist, wobei die mechanische Belastbarkeit möglichst groß sein soll.The invention is therefore the object of the above described known sensor arrangement to improve that a larger component modularity is possible, the mechanical Resilience should be as large as possible.

Die Aufgabe wird, ausgehend von der eingangs beschriebenen bekannten Sensoranordnung gemäß dem Oberbegriff des Anspruchs 1, durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.The object is, starting from the well-known known Sensor arrangement according to the preamble of claim 1, solved by the characterizing features of claim 1.

Die Erfindung umfasst die allgemeine technische Lehre, zur Übertragung des Sensorsignals einen Sender und einen Empfänger vorzusehen, wobei eine drahtlose Verbindung zwischen dem Sender und dem Empfänger besteht. Vorteilhaft an einer drahtlosen Verbindung zwischen dem Sender und dem Empfänger ist zum einen die unbegrenzte mechanische Belastbarkeit der Verbindung, wohingegen eine Verbindung durch Lichtwellenleiter relativ bruchempfindlich ist. Zum anderen ermöglicht eine drahtlose Verbindung zwischen dem Sender und dem Empfänger vorteilhaft eine beliebige Bauteilmodularität, da im Gegensatz zu Lichtwellenleitern keine Trennstellen an den Übergängen zwischen den einzelnen Modulen auftreten.The invention includes the general technical teaching, for transmission provide the sensor signal a transmitter and a receiver, being a wireless connection between the transmitter and consists of the recipient. Beneficial to a wireless connection between the sender and the receiver is on the one hand the unlimited mechanical load capacity of the compound, whereas a connection through optical fibers is relatively fragile is. On the other hand, a wireless connection between the transmitter and the receiver advantageously any component modularity, because in contrast to optical fibers no separation points occur at the transitions between the individual modules.

Die erfindungsgemäße Verwendung einer drahtlosen Verbindung mit einem Sender und einem Empfänger ermöglicht vorteilhaft eine Anordnung des Sensors in einem beweglichen Bauteil einer Beschichtungsanlage, wohingegen der Sensor bei der eingangs beschriebenen bekannten Sensoranordnung stationär angeordnet und über Lichtwellenleiter mit dem beweglichen Rotationszerstäuber verbunden ist.The inventive use of a wireless connection with a transmitter and a receiver advantageously allows an arrangement the sensor in a moving component of a coating plant, whereas the sensor in the above-described known sensor arrangement arranged stationary and over Optical fiber connected to the movable rotary atomizer is.

Bei der erfindungsgemäßen Sensoranordnung ist der Sensor also vorzugsweise an einem beweglichen Teil der Beschichtungsanlage angebracht, während der Empfänger stationär angeordnet ist. Die zwischen dem Sender und dem Empfänger somit auftretende Relativbewegung während des Betriebs der Beschichtungsanlage führt jedoch nicht zu einer mechanischen Belastung der Verbindung oder einem mechanischen Verschleiß, da die Verbindung zwischen dem Sender und dem Empfänger drahtlos ist.In the sensor arrangement according to the invention, the sensor is thus preferably on a moving part of the coating system attached while the receiver is arranged stationary. The between the transmitter and the receiver thus occurring relative movement However, during operation of the coating system leads not to a mechanical load of the connection or a mechanical wear, because the connection between the Transmitter and the receiver is wireless.

Vorzugsweise handelt es sich bei dem Sender um einen Funksender und bei dem Empfänger entsprechend um einen Funkempfänger, wobei zwischen dem Funksender und dem Funkempfänger eine drahtlose Funkverbindung besteht.Preferably, the transmitter is a radio transmitter and at the receiver corresponding to a radio receiver, wherein between the radio transmitter and the radio receiver a wireless Radio connection exists.

Es ist jedoch alternativ auch möglich, dass der Sender ein optischer Sender und der Empfänger ein optischer Empfänger ist, wobei zwischen dem optischen Sender und dem optischen Empfänger eine Sichtverbindung besteht. Beispielsweise kann zur Übertragung der Sensorsignale ein Infrarotsender eingesetzt werden, dessen Signal von einem Infrarotempfänger aufgenommen wird.However, it is alternatively possible that the transmitter is an optical Transmitter and the receiver is an optical receiver, wherein between the optical transmitter and the optical receiver a line of sight exists. For example, for transmission the sensor signals an infrared transmitter are used, whose signal is picked up by an infrared receiver.

Ferner besteht die Möglichkeit, dass der Sender ein akustischer Sender und der Empfänger entsprechend ein akustischer Empfänger ist. Beispielsweise kann zur Übertragung der Sensorsignale ein Ultraschallsender eingesetzt werden, dessen Signal von einem Ultraschallempfänger erfasst wird.Furthermore, there is the possibility that the transmitter is an acoustic Transmitter and the receiver corresponding to an acoustic receiver is. For example, for transmitting the sensor signals Ultrasonic transmitters are used, the signal from an ultrasonic receiver is detected.

Darüber hinaus ermöglicht die drahtlose Verbindung zwischen dem Sender und dem Empfänger eine elektrische Potentialtrennung, so dass der Sender einerseits und der Empfänger andererseits auf unterschiedlichen elektrischen Potentialen liegen können. Dies ist insbesondere beim Einsatz in einer elektrostatischen Beschichtungsanlage mit einem Rotationszerstäuber vorteilhaft, da der Rotationszerstäuber hierbei üblicherweise auf Hochspannungspotential liegt, während die zu beschichtenden Werkstücke geerdet werden. Der Sender kann also bei der erfindungsgemäßen Sensoranordnung ebenfalls auf einem Hochspannungspotential liegen, während der Empfänger auf einem Niederspannungspotential oder auf einem Massepotential liegt.In addition, the wireless connection between the Transmitter and the receiver an electrical potential separation, so that the transmitter on the one hand and the receiver on the other can lie different electrical potentials. This is especially when used in an electrostatic coating system advantageous with a rotary atomizer because the rotary atomizer here usually at high voltage potential lies while the workpieces to be coated grounded become. The transmitter can thus in the sensor arrangement according to the invention are also at a high voltage potential, while the receiver is at a low voltage potential or is at a ground potential.

Bei dem Sensor kann es sich beispielsweise um einen Drucksensor handeln, der eine Druckgröße der Beschichtungsanlage misst, wie beispielsweise den Druck eines Mediums (Luft, Beschichtungsmittel, Lösungsmittel) der Beschichtungsanlage. Lediglich beispielhaft ist hierbei der Antriebsluftdruck, der Lenkluftdruck, der Lösungsmitteldruck, der Farbdruck oder der Leitungsdruck als zu messende Druckgröße zu nennen.The sensor may be, for example, a pressure sensor act, which measures a print size of the coating system, such as For example, the pressure of a medium (air, coating, Solvent) of the coating system. Merely as an example Here is the drive air pressure, the Lenkluftdruck, the Solvent printing, color printing or line pressure as too to call measuring pressure size.

In einer Variante der Erfindung erfasst der Sensor die Stellung, die Stellgeschwindigkeit und/oder den Zustand eines Bauteils der Beschichtungsanlage.In a variant of the invention, the sensor detects the position the positioning speed and / or the state of a component of Coating plant.

Beispielsweise kann der Sensor ein Molchsensor sein, der die Position, die Geschwindigkeit und/oder eine Kennung eines Molchs erfasst. Hierbei kann der Molchsensor jeweils ein Signal abgeben, wenn der Molch einen bestimmten Leitungsabschnitt passiert bzw. sich in dem Leitungsabschnitt befindet. For example, the sensor may be a pig sensor that detects the position, the speed and / or an identification of a pig detected. In this case, the pig sensor can each output a signal when the pig passes a certain line section or is located in the line section.

Ferner besteht im Rahmen der Erfindung die Möglichkeit, dass der Sensor die Position einer Düsennadel der Beschichtungsanlage erfasst, wobei es sich vorzugsweise um die Hauptnadel eines Rotationszerstäubers handelt.Furthermore, it is within the scope of the invention, the possibility that the Sensor detects the position of a nozzle needle of the coating system, which is preferably the main needle of a rotary atomizer is.

Weiterhin kann der Sensor die Stellung eines Zylinders eines Kolbendosierers oder einer Kolbenpumpe einer Beschichtungsanlage erfassen.Furthermore, the sensor, the position of a cylinder of a Piston doser or a piston pump a coating plant to capture.

Daneben besteht auch die Möglichkeit, dass der Sensor ein Drehwertsensor ist, der die Drehzahl, den Drehwinkel und/oder die Drehrichtung eines Turbinenrades eines Rotationszerstäubers erfasst.In addition, there is also the possibility that the sensor is a rotation sensor is the speed, the angle of rotation and / or the Direction of rotation of a turbine wheel of a rotary atomizer detected.

Schließlich kann der Sensor auch die Stellung und/oder die Stellgeschwindigkeit einer oder mehrerer Achsen eines Lackierroboters der Beschichtungsanlage erfassen.Finally, the sensor can also adjust the position and / or the Adjustment speed of one or more axes of a painting robot capture the coating system.

Zusätzlich zu der vorstehend beschriebenen Sensoranordnung umfasst die Erfindung auch eine komplette Beschichtungsanlage mit einer derartigen Sensoranordnung.In addition to the sensor arrangement described above the invention also a complete coating system with such a sensor arrangement.

Andere vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen gekennzeichnet oder werden nachstehend zusammen mit der Beschreibung der bevorzugten Ausführungsbeispiele der Erfindung anhand der Figuren näher erläutert. Es zeigen:.

Figur 1
eine Seitenansicht eines Turbinenrades einer Druckluftturbine zum Antrieb eines Rotationszerstäubers mit einer erfindungsgemäßen Sensoranordnung,
Figur 2
eine molchbare Leitung mit einer Sensoranordnung zur Erfassung der Molchposition sowie
Figur 3
einen Rotationszerstäuber mit einer erfindungsgemäßen Sensoranordnung zur Druckmessung.
Other advantageous developments of the invention are characterized in the subclaims or are explained in more detail below together with the description of the preferred embodiments of the invention with reference to FIGS. Show it:.
FIG. 1
a side view of a turbine wheel of a compressed air turbine for driving a rotary atomizer with a sensor arrangement according to the invention,
FIG. 2
a piggable line with a sensor arrangement for detecting the pig position and
FIG. 3
a rotary atomizer with a sensor arrangement according to the invention for pressure measurement.

Die Seitenansicht in Figur 1 zeigt ein weitgehend herkömmliches Turbinenrad 1, das in einer Rotationszerstäuberturbine eingesetzt werden kann, die beispielsweise aus DE 43 06 800 C2 bekannt ist. Hinsichtlich der konstruktiven Gestaltung der Rotationszerstäuberturbine und des kompletten Rotationszerstäubers wird deshalb zur Vereinfachung auf DE 43 06 800 C2 verwiesen, deren Inhalt der vorliegenden Beschreibung in vollem Umfang zuzurechnen ist.The side view in Figure 1 shows a largely conventional Turbine wheel 1 used in a rotary atomizer turbine can be, for example, known from DE 43 06 800 C2 is. With regard to the structural design of Rotationszerstäuberturbine and the complete rotary atomizer Therefore, for reasons of simplification, reference is made to DE 43 06 800 C2, their contents to the full extent attributable to this description is.

Das Turbinenrad 1 weist eine Glockentellerwelle 2 auf, wobei auf der in Figur 1 links liegenden Seite der Glockentellerwelle 2 ein Glockenteller montiert werden kann. Weiterhin weist das Turbinenrad 1 einen kreisscheibenförmigen Läufer 3 auf, wobei auf der glockentellerseitigen Stirnfläche des Läufers 3 zahlreiche Turbinenschaufeln 4 über den Umfang verteilt angeordnet sind. Während des Betriebs des Rotationszerstäubers werden die Turbinenschaufeln 4 durch eine sogenannte Antriebsluft angeblasen, was hinlänglich bekannt ist.The turbine wheel 1 has a Glockentellerwelle 2, wherein on 1 left side of the bell-tower shaft second a bell plate can be mounted. Furthermore, the turbine wheel 1 a circular disk-shaped rotor 3, wherein on the bell-plate-side end face of the rotor 3 numerous Turbine blades 4 are arranged distributed over the circumference. During operation of the rotary atomizer, the turbine blades become 4 blown by a so-called drive air, which is well known.

Auf der dem Glockenteller abgewandten Stirnfläche des Läufers 3 ist eine optische Markierung angebracht, die sowohl eine Bestimmung der Drehgeschwindigkeit des Turbinenrades 1 als auch eine Bestimmung der Drehrichtung des Turbinenrades 1 ermöglicht. Die optische Markierung besteht aus mehreren kreissegmentförmigen Beschichtungen, die auf die Stirnfläche 5 über den Umfang verteilt aufgebracht sind.On the bell plate facing away from the end face of the runner. 3 an optical marking is attached, which is both a provision the rotational speed of the turbine wheel 1 and a Determining the direction of rotation of the turbine wheel 1 allows. The optical marking consists of several circular segment-shaped Coatings distributed on the face 5 over the circumference are applied.

Auf der dem Glockenteller abgewandten Seite des Läufers 3 ist ein optischer Sensor 6 angeordnet, der das unterschiedliche Reflexionsvermögen der optischen Markierungen und der ansonsten matten Stirnfläche 5 erfasst und ein entsprechendes elektrisches Signal an einen Sender 7 weitergibt.On the side facing away from the bell plate of the rotor 3 is an optical sensor 6 is arranged, which has the different reflectivity the optical marks and the otherwise matte end face 5 detected and a corresponding electrical Signal to a transmitter 7 weiterergibt.

Der Sender 7 strahlt über eine Antenne 8 ein Funksignal ab, das über eine Antenne 9 von einem Empfänger 10 aufgenommen wird, wobei die Antennen 8, 9 hier nur schematisch dargestellt sind. Der Empfänger 10 gibt dann ein entsprechendes elektrisches Signal ab, aus dem eine Auswertungseinheit die Drehzahl und die Drehrichtung des Turbinenrades 1 ermitteln kann.The transmitter 7 radiates via an antenna 8 from a radio signal, the is received by an antenna 10 via an antenna 9, wherein the antennas 8, 9 are shown here only schematically. Of the Receiver 10 then outputs a corresponding electrical signal from which an evaluation unit determines the speed and the direction of rotation of the turbine wheel 1 can determine.

Der Sender 7 ist hierbei in dem Rotationszerstäuber angeordnet, der von einem Lackierroboter bewegt werden kann. Darüber hinaus liegt der Sender 7 mit dem Sensor 6 und der Antenne 8 während des Betriebs des Rotationszerstäubers auf einem Hochspannungspotential, so dass keine elektrische Isolierung des Empfängers 7, des Sensors 6 oder der Antenne 8 gegenüber dem Rotationszerstäuber erforderlich ist.The transmitter 7 is in this case arranged in the rotary atomizer, which can be moved by a painting robot. Furthermore the transmitter 7 is located with the sensor 6 and the antenna 8 during the operation of the rotary atomizer at a high voltage potential, so that no electrical insulation of the receiver 7, the sensor 6 or the antenna 8 with respect to the rotary atomizer is required.

Der Empfänger 10 ist dagegen stationär in der Kabinenwand einer Lackierkabine angeordnet und deshalb im Betrieb nur geringen mechanischen Beanspruchungen ausgesetzt. Darüber hinaus ist der Empfänger 10 geerdet, wobei die drahtlose Verbindung zwischen dem Sender 7 und dem Empfänger 10 eine Potentialtrennung ermöglicht.The receiver 10, however, is stationary in the cabin wall of a Paint booth arranged and therefore only minor mechanical in operation Exposed to stress. In addition, the Receiver 10 grounded, with the wireless connection between the transmitter 7 and the receiver 10 enables potential separation.

Figur 2 zeigt ein weiteres Ausführungsbeispiel einer erfindungsgemäßen Sensoranordnung, die eingesetzt wird, um die Position eines Molchs 11 in einer molchbaren Leitung 12 zu ermitteln. Hierzu weist der Molch 11 einen Permanentmagneten 13 auf, der einen Magnetfeldsensor 14 ansteuert, wobei der Magnetfeldsensor 14 an der Außenseite der Leitung 12 angeordnet ist.Figure 2 shows another embodiment of an inventive Sensor assembly that is used to position to determine a pig 11 in a piggable line 12. For this purpose, the pig 11 on a permanent magnet 13, the a magnetic field sensor 14 drives, wherein the magnetic field sensor 14 is disposed on the outside of the conduit 12.

Wenn sich der Molch 11 an der in Figur 2 gezeigten Position befindet, so erzeugt der Magnetfeldsensor 14 aufgrund des Permanentmagneten 13 ein elektrisches Signal, das an einen Sender 15 weitergegeben wird. Der Sender 15 überträgt dann ein entsprechendes Funksignal über eine Antenne 16, wobei das Funksignal von einem Empfänger 17 über eine Antenne 18 empfangen wird. Der Empfänger 17 gibt dann ein entsprechendes elektrisches Signal an eine Auswertungseinheit weiter, wobei die Auswertungseinheit zur Vereinfachung nicht dargestellt ist.When the pig 11 is at the position shown in FIG. thus, the magnetic field sensor 14 generates due to the permanent magnet 13 an electrical signal to a transmitter 15th is passed on. The transmitter 15 then transmits a corresponding one Radio signal via an antenna 16, wherein the radio signal is received by a receiver 17 via an antenna 18. Of the Receiver 17 then indicates a corresponding electrical signal an evaluation unit on, wherein the evaluation unit for Simplification is not shown.

Hierbei können innerhalb des Leitungssystems einer Beschichtungsanlage zahlreiche Sensoren vorgesehen sein, die ihre Signale jeweils an einen zentralen Empfänger senden, so dass die Auswertungseinheit die Positionen sämtlicher Molche erfassen kann.In this case, within the line system of a coating system Numerous sensors may be provided that receive their signals each to a central receiver, so that the evaluation unit can detect the positions of all pigs.

Die in Figur 3 gezeigte Querschnittsansicht zeigt einen Rotationszerstäuber 19, der weitgehend herkömmlich aufgebaut ist, so dass zur Ergänzung der.folgenden Beschreibung auf den einschlägigen Stand der Technik verwiesen wird.The cross-sectional view shown in Figure 3 shows a rotary atomizer 19, which is largely conventional, so to supplement the following description with the relevant ones State of the art is referenced.

Zur Montage des Rotationszerstäubers 19 weist dieser an seiner montageseitigen Stirnfläche einen Befestigungsflansch 20 mit einem Befestigungszapfen 21 auf, der eine mechanische Befestigung an einem Roboterarm eines Lackierroboters ermöglicht.For mounting the rotary atomizer 19 has this on his mounting side end face a mounting flange 20 with a Fastening pin 21 on which a mechanical attachment on a robot arm of a painting robot.

An den Rotationszerstäuber 19 kann ein herkömmlicher kegelstumpfförmiger Glockenteller 22 angebracht werden, der hier nur gestrichelt wiedergegeben ist und im Betrieb des Rotationszerstäubers 19 durch eine Druckluftturbine 23 mit einer hohen Drehzahl angetrieben wird. Die Drehung des Glockentellers 22 führt hierbei dazu, dass das in das Innere des Glockentellers 22 eingeführte Beschichtungsmittel axial und insbesondere radial beschleunigt wird und an einer Glockentellerabrisskante abgesprüht wird.On the rotary atomizer 19, a conventional frusto-conical Bell plates 22 are attached, the only here is shown in dashed lines and in operation of the rotary atomizer 19 by a compressed air turbine 23 at a high speed is driven. The rotation of the bell cup 22 leads in this case, that the introduced into the interior of the bell cup 22 Coating axially and in particular radially accelerated is sprayed and at a bell plate tear-off becomes.

Der Antrieb der Druckluftturbine 23 erfolgt hierbei durch Druckluft, die von dem Lackierroboter über den Befestigungsflansch 20 geführt wird, wobei die Zuführung der Antriebsluft hier zur Vereinfachung nicht dargestellt ist.The drive of the compressed air turbine 23 takes place here by compressed air, that of the painting robot via the mounting flange 20th is guided, wherein the supply of the drive air here for simplicity not shown.

Zur Formung des von dem Glockenteller 22 abgegebenen Sprühstrahls ist weiterhin ein sogenannter Lenkluftring 24 vorgesehen, der in der glockentellerseitigen Stirnfläche eines Gehäuses 25 des Rotationszerstäubers 19 angeordnet ist. In dem Lenkluftring 24 sind mehrere axial ausgerichtete Lenkluftdüsen 26, 27 angeordnet, über die im Betrieb des Rotationszerstäubers 19 ein Lenkluftstrom axial außen auf die kegelförmige Mantelfläche des Glockentellers 22 geblasen werden kann. In Abhängigkeit von der Menge und der Geschwindigkeit der aus den Lenkluftdüsen 26, 27 ausgeblasenen Lenkluft wird so der Sprühstrahl geformt und die gewünschte Strahlbreite eingestellt.For shaping the spray jet emitted by the bell cup 22 Furthermore, a so-called shaping air ring 24 is provided, in the bell-plate-side end face of a housing 25 of the rotary atomizer 19 is arranged. In the directing ring 24 are a plurality of axially directed shaping air nozzles 26, 27th arranged over the in the operation of the rotary atomizer 19 a Steering air flow axially outside on the conical surface of the Bell plate 22 can be blown. Depending on the Amount and the speed of the shaping air nozzles 26, 27th blown out shaping air is shaped so the spray and the desired beam width set.

Die Zuführung der Lenkluft für die beiden Lenkluftdüsen 26, 27 erfolgt hierbei durch jeweils eine Flanschöffnung 28, 29, die in dem Befestigungsflansch 20 des Rotationszerstäubers 19 angeordnet sind. Die Position der Flanschöffnungen 28, 29 innerhalb der Stirnfläche des Befestigungsflansches 20 ist hierbei durch die Position der entsprechenden Anschlüsse an dem zugehörigen Befestigungsflansch des Lackierroboters vorgegeben.The supply of the shaping air for the two shaping air nozzles 26, 27 takes place in each case by a flange opening 28, 29, the in arranged the mounting flange 20 of the rotary atomizer 19 are. The position of the flange openings 28, 29 within the End face of the mounting flange 20 is in this case by the Position of the corresponding connections on the associated mounting flange specified by the painting robot.

Die außenliegende Lenkluftdüse 26 wird hierbei durch eine Lenkluftleitung 30 versorgt, die an der Außenseite der Druckluftturbine 23 zwischen dem Gehäuse 25 und der Druckluftturbine 23 entlang geführt ist. Hierzu mündet die Flanschöffnung 28 zunächst in eine axial verlaufende Stichbohrung 31, die dann in eine radial verlaufende Stichbohrung 32 übergeht, wobei die radial verlaufende Stichbohrung 32 schließlich an der Außenseite eines Ventilgehäuses 33 in einen Zwischenraum zwischen dem Gehäuse 25 und dem Ventilgehäuse 33 mündet. Die Lenkluft wird dann an der Druckluftturbine 23 vorbei in einen sogenannten Luftraum 34 geführt, von wo sie schließlich durch Stichbohrungen 35 in dem Lenkluftring 24 zu der Lenkluftdüse 26 gelangt.The outer shaping air nozzle 26 is in this case by a Lenkluftleitung 30 supplied to the outside of the compressed air turbine 23 between the housing 25 and the compressed air turbine 23 along is guided. For this purpose, the flange opening 28 opens first in an axially extending tap hole 31, which then into a radial extending tap hole 32 passes, wherein the radially extending Sting bore 32 finally on the outside of a Valve housing 33 in a space between the housing 25th and the valve housing 33 opens. The draft air is then at the Compressed air turbine 23 guided past in a so-called air space 34, from where they finally pierced through holes 35 in the Steering ring 24 reaches the shaping air nozzle 26.

Die Zuführung der Lenkluft für die Lenkluftdüse 27 erfolgt dagegen durch eine Lenkluftleitung 36, die von der Flanschöffnung 29 in dem Befestigungsflansch 20 ausgehend axial und knickfrei durch das Ventilgehäuse 33 hindurchgeht. Darüber hinaus geht die Lenkluftleitung 36 auch axial durch eine Lagereinheit 37 der Druckluftturbine 23. Der radiale Abstand der Lenkluftleitung 36 von der Drehachse des Glockentellers 22 ist hierbei größer als der Außendurchmesser des zur Vereinfachung nicht dargestellten Turbinenrads, so dass die Lenkluftleitung 36 an der Außenseite des Turbinenrades verläuft. Die Lenkluftleitung 36 mündet dann glockentellerseitig in einen weiteren Luftraum 38, der zwischen einem im Wesentlichen zylindrischen Abschnitt 39 der Druckluftturbine 23 und einer diesen umgebenden Abdeckung 40 angeordnet ist.The supply of the shaping air for the shaping air nozzle 27 takes place, however by a Lenkluftleitung 36, of the flange 29th in the mounting flange 20 starting axially and kink-free passes through the valve housing 33. In addition, the Lenkluftleitung 36 also axially by a bearing unit 37 of the Air turbine 23. The radial distance of the shaping air line 36 from the axis of rotation of the bell cup 22 is greater than the outer diameter of not shown for simplicity Turbinenrads, so that the Lenkluftleitung 36 on the outside of the turbine wheel runs. The Lenkluftleitung 36 then opens bell-plate side in a further air space 38, the between a substantially cylindrical portion 39 of the compressed air turbine 23 and a surrounding cover 40 is arranged is.

In der Mantelfläche des Abschnitts 39 befinden sich mehrere Bohrungen 41, die in der glockentellerseitigen Stirnfläche der Druckluftturbine 23 münden und schließlich die Lenkluftdüsen 27 versorgen. Die Bohrungen 41 in dem Abschnitt 39 der Druckluftturbine 23 bestehen hierbei aus einer von der Mantelfläche des Abschnitts 39 ausgehenden radial verlaufenden Stichbohrung und einer von der glockentellerseitigen Stirnfläche des Abschnitts 39 ausgehenden axial verlaufenden Stichbohrung, was eine einfache Montage ermöglicht.In the lateral surface of the section 39 are several holes 41, in the bell-plate-side face of the Compressed air turbine 23 and finally the shaping air nozzles 27 supply. The holes 41 in the section 39 of the compressed air turbine 23 consist of one of the lateral surface of the Section 39 outgoing radial tap hole and one of the bell-plate-side end face of the section 39 outgoing axial tap hole, which is a simple Assembly possible.

In die Lenkluftleitüng 36 mündet hierbei nahe dem Befestigungsflansch 20 ein Drucksensor 42 mit einem integrierten Funksender, wobei der Drucksensor 42 den Lenkluftdruck misst und durch den Funksender ein entsprechendes Funksignal abstrahlt.In the Lenkluftleitüng 36 opens here near the mounting flange 20 a pressure sensor 42 with an integrated radio transmitter, wherein the pressure sensor 42 measures the Lenkluftdruck and through the Radio transmitter emits a corresponding radio signal.

Dieses Funksignal wird von einem Empfänger 43 über eine Antenne 44 empfangen und an eine Auswertungseinheit weitergeleitet, wobei die Auswertungseinheit zur Vereinfachung nicht dargestellt ist.This radio signal is received by a receiver 43 via an antenna 44 received and forwarded to an evaluation unit, wherein the evaluation unit not shown for simplicity is.

Die Erfindung ist nicht auf die vorstehend beschriebenen bevorzugten Ausführungsbeispiele beschränkt. Vielmehr ist eine Vielzahl von Varianten und Abwandlungen denkbar, die ebenfalls von dem Erfindungsgedanken Gebrauch machen und deshalb in den Schutzbereich fallen.The invention is not limited to those described above Embodiments limited. Rather, a variety Variants and variations conceivable, also from use the idea of the invention and therefore in the Protection range fall.

Claims (16)

Sensoranordnung für eine Beschichtungsanlage zur Beschichtung von Werkstücken, mit
mindestens einem Sensor (6, 14, 42) zur Erfassung mindestens einer Betriebsgröße der Beschichtungsanlage und zur Erzeugung eines entsprechenden Sensorsignals,
gekennzeichnet durch
einen mit dem Sensor (6, 14, 42) verbundenen Sender (7, 15) zur Übertragung des Sensorsignals,
einen Empfänger (10, 17, 43) zur Aufnahme des von dem Sender (7, 15) übertragenen Sensorsignals und
eine drahtlose Verbindung zwischen dem Sender (7, 15) und dem Empfänger (10, 17, 43).Sensor arrangement for a coating system for coating workpieces, with
at least one sensor (6, 14, 42) for detecting at least one operating variable of the coating installation and for generating a corresponding sensor signal,
marked by
a transmitter (7, 15) connected to the sensor (6, 14, 42) for transmitting the sensor signal,
a receiver (10, 17, 43) for receiving the sensor signal transmitted by the transmitter (7, 15) and
a wireless connection between the transmitter (7, 15) and the receiver (10, 17, 43). Sensoranordnung nach Anspruch 1, dadurch gekennzeichnet, dass der Sender (7, 15) ein Funksender und der Empfänger (10, 17, 43) ein Funkempfänger ist.Sensor arrangement according to claim 1, characterized in that the transmitter (7, 15) is a radio transmitter and the receiver (10, 17, 43) is a radio receiver. Sensoranordnung nach Anspruch 1, dadurch gekennzeichnet, dass der Sender ein optischer Sender und der Empfänger ein optischer Empfänger ist.Sensor arrangement according to claim 1, characterized in that the transmitter is an optical transmitter and the receiver is an optical receiver. Sensoranordnung nach Anspruch 3, dadurch gekennzeichnet, dass der Sender ein Infrarotsender und der Empfänger ein Infrarotempfänger ist. Sensor arrangement according to claim 3, characterized in that the transmitter is an infrared transmitter and the receiver is an infrared receiver. Sensoranordnung nach Anspruch 1, dadurch gekennzeichnet, dass der Sender ein akustischer Sender und der Empfänger ein akustischer Empfänger ist.Sensor arrangement according to claim 1, characterized in that the transmitter is an acoustic transmitter and the receiver is an acoustic receiver. Sensoranordnung nach mindestens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Sender (7, 15) und/oder der Sensor (6, 14, 42) einerseits und der Empfänger (10, 17, 43) andererseits auf unterschiedlichen elektrischen Potentialen liegen.Sensor arrangement according to at least one of the preceding claims, characterized in that the transmitter (7, 15) and / or the sensor (6, 14, 42) on the one hand and the receiver (10, 17, 43) on the other hand are at different electrical potentials. Sensoranordnung nach Anspruch 6, dadurch gekennzeichnet, dass der Sender (7, 15) und/oder der Sensor (6, 14, 42) auf einem Hochspannungspotential liegt, während der Empfänger (10, 17, 43) auf einem Niederspannungspotential oder auf Massepotential liegt.Sensor arrangement according to claim 6, characterized in that the transmitter (7, 15) and / or the sensor (6, 14, 42) is at a high voltage potential, while the receiver (10, 17, 43) is at a low voltage potential or at ground potential , Sensoranordnung nach mindestens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Sender (7, 15) und/oder der Sensor (6, 14, 42) an einem beweglichen Teil der Beschichtungsanlage angebracht ist, während der Empfänger (10, 17, 43) stationär angeordnet ist.Sensor arrangement according to at least one of the preceding claims, characterized in that the transmitter (7, 15) and / or the sensor (6, 14, 42) is attached to a moving part of the coating system, while the receiver (10, 17, 43) is arranged stationary. Sensoranordnung nach mindestens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Sensor (42) ein Drucksensor ist.Sensor arrangement according to at least one of the preceding claims, characterized in that the sensor (42) is a pressure sensor. Sensoranordnung nach Anspruch 9, dadurch gekennzeichnet, dass der Drucksensor den Antriebsluftdruck, den Lösungsmitteldruck, den Beschichtungsmitteldruck, den Lenkluftdruck oder den Leitungsdruck in einer Beschichtungsmittelleitung oder einer Druckluftleitung erfasst.Sensor arrangement according to claim 9, characterized in that the pressure sensor detects the drive air pressure, the solvent pressure, the coating agent pressure, the Lenkluftdruck or the line pressure in a coating medium line or a compressed air line. Sensoranordnung nach mindestens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Sensor (6, 14) ein Positionssensor oder ein Geschwindigkeitssensor ist, der die Position, die Stellung oder die Stellgeschwindigkeit eines Bauteils der Beschichtungsanlage erfasst.Sensor arrangement according to at least one of the preceding claims, characterized in that the sensor (6, 14) is a position sensor or a speed sensor which detects the position, the position or the positioning speed of a component of the coating system. Sensoranordnung nach mindestens einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Sensor (14) ein Molchsensor ist, der die Position, die Geschwindigkeit und/oder eine Kennung eines Molchs (11) erfasst.Sensor arrangement according to at least one of the preceding claims, characterized in that the sensor (14) is a pig sensor which detects the position, the speed and / or an identification of a pig (11). Sensoranordnung nach Anspruch 11 und/oder Anspruch 12, dadurch gekennzeichnet, dass der Sensor die Position einer Düsennadel der Beschichtungsanlage erfasst.Sensor arrangement according to claim 11 and / or claim 12, characterized in that the sensor detects the position of a nozzle needle of the coating system. Sensoranordnung nach mindestens einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, dass der Sensor die Stellung eines Zylinders der Beschichtungsanlage erfasst.Sensor arrangement according to at least one of claims 11 to 13, characterized in that the sensor detects the position of a cylinder of the coating system. Sensoranordnung nach mindestens einem der Ansprüche 11 bis 14, dadurch gekennzeichnet, dass der Sensor (6) ein Drehwertsensor ist, der die Drehzahl, den Drehwinkel und/oder die Drehrichtung eines Turbinenrads (1) eines Rotationszerstäubers erfasst.Sensor arrangement according to at least one of claims 11 to 14, characterized in that the sensor (6) is a rotation sensor which detects the rotational speed, the rotation angle and / or the direction of rotation of a turbine wheel (1) of a rotary atomizer. Beschichtungsanlage mit einer Sensoranordnung nach mindestens einem der vorhergehenden Ansprüche.Coating plant with a sensor arrangement after at least one of the preceding claims.
EP03019861A 2002-09-02 2003-09-01 Sensor device for a painting installation Expired - Lifetime EP1394757B1 (en)

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DE10240451 2002-09-02

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WO2008037456A1 (en) 2006-09-27 2008-04-03 Dürr Systems GmbH Electrostatic spraying arrangement
DE102006045631A1 (en) * 2006-09-27 2008-04-10 Dürr Systems GmbH Sprayer arrangement for coating machine for series-wise electrostatic coating of workpiece, e.g. motor vehicle body or parts, has transformer arrangement that has high voltage-isolation device between primary and secondary circuits
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DE102009042956A1 (en) * 2009-09-24 2011-04-07 Dürr Systems GmbH Rotary atomiser and method for controlling its spray-off body
DE102009042955A1 (en) * 2009-09-24 2011-04-07 Dürr Systems GmbH Method for checking the function of a rotary atomizer and corresponding coating system
CN102510776A (en) * 2009-09-24 2012-06-20 杜尔系统有限责任公司 Method for controlling the function of a rotary atomizer, and corresponding coating installation
CN102510776B (en) * 2009-09-24 2015-10-14 杜尔系统有限责任公司 The method controlled for the function of rotary sprayer and corresponding coating equipment
US9180469B2 (en) 2009-09-24 2015-11-10 Durr Systems Gmbh Rotary atomizer and method for the control of the spraying body of said rotary atomizer
WO2022157098A1 (en) * 2021-01-19 2022-07-28 Dürr Systems Ag Coating device, in particular rotary atomizer

Also Published As

Publication number Publication date
EP1394757B1 (en) 2013-01-09
US7432495B2 (en) 2008-10-07
DE10240451A1 (en) 2004-03-11
ES2402658T3 (en) 2013-05-07
EP1394757A3 (en) 2005-04-13
US20070145250A1 (en) 2007-06-28
US20050098102A1 (en) 2005-05-12

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