EP3561316B1 - Pneumatische module und system zur proportionalen steuerung - Google Patents

Pneumatische module und system zur proportionalen steuerung Download PDF

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Publication number
EP3561316B1
EP3561316B1 EP19168449.7A EP19168449A EP3561316B1 EP 3561316 B1 EP3561316 B1 EP 3561316B1 EP 19168449 A EP19168449 A EP 19168449A EP 3561316 B1 EP3561316 B1 EP 3561316B1
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European Patent Office
Prior art keywords
master
pneumatic
slave
module
electronic
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EP19168449.7A
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English (en)
French (fr)
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EP3561316A1 (de
Inventor
Hansgeorg KOLVENBACH
Dario Ferrarini
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Camozzi Automation SpA
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Camozzi Automation SpA
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0878—Assembly of modular units
    • F15B13/0896—Assembly of modular units using different types or sizes of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/0853—Electric circuit boards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/0857—Electrical connecting means, e.g. plugs, sockets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/086—Sensing means, e.g. pressure sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/0867—Data bus systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0878—Assembly of modular units
    • F15B13/0885—Assembly of modular units using valves combined with other components
    • F15B13/0889—Valves combined with electrical components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure

Definitions

  • the present invention relates to pneumatic modules and a system for pressure or flow proportional control.
  • valves can be used as standalone products or need to be combined with, or on, additional manifolds.
  • US 5 458 048 A discloses an electro-pneumatic control device with a valve station designed as a subassembly, containing a fluid distributor equipped with a plurality of valves, and with a central electronic control unit which supplies the electric actuating signals for the valve drives.
  • Another object of the invention is to provide a proportional control system in which pneumatic modules are interconnected without any external wiring or external dedicated communication device.
  • Figures 1 , 1a and 1b show a pneumatic master module 1 for pressure or flow proportional control.
  • the master module 1 comprises a master module valve body 10 in which passages for a flow of pressurized air are formed.
  • the master module valve body 10 has a rectangular parallelepiped shape.
  • These passages connects a master pneumatic inlet port 12 to a first master pneumatic outlet port 14 for a direct pneumatic connection to a load and to a second master pneumatic outlet port 16 for the pneumatic connection to a pneumatic inlet port of a slave module which can be connected to the master module, and which will be hereinafter described.
  • a master proportional electrovalve 18 is mounted on the master module valve body 10.
  • the master proportional electrovalve 18 is mounted on a face 10a of the parallelepiped body 10, for example one of the smaller bases.
  • the master proportional electrovalve 18 is adapted to supply the first and second master pneumatic outlet ports 14, 16 with a regulated flow of pressurized air entering the master module through the pneumatic inlet port 12.
  • the master module 1 further comprises a relative pressure sensor 20 for detecting the pressure of the regulated flow of pressurized air downstream the master proportional electrovalve 18.
  • the master proportional electrovalve 18 is electrically driven by an electronic control unit 22, for example implemented by a microprocessor.
  • the electronic control unit 22 is further configured to drive a slave proportional or on/off electrovalve of a respective slave module.
  • the master and slave proportional electrovalves are driven by respective PWM drivers 24, 24' .
  • the master and slave proportional electrovalves are driven according to a pressure signal provided by the relative pressure sensor 20, so as to implement a closed loop flow or pressure control.
  • the electronic control unit 22 is further configured to implement a digital communication bus interface for data exchanging with other master modules.
  • Can-bus protocol is used for the digital communication bus.
  • the master module 1 is provided with a master male-type inlet electronic connector 26 and a master female-type outlet connector 28 for receiving and transmitting analog and digital electronic signals.
  • the relative pressure sensor 20 and the electronic control unit 22 are mounted on a master electronic printed circuit board 30.
  • the master male-type inlet electronic connector and the master female-type outlet connector 26, 28 are mounted on parallel opposite sides of the master electronic printed circuit board 30.
  • the master module 1 further comprises, downstream the master proportional electrovalve 18, a nozzle or orifice 32 for a flow control of the regulated flow of pressurized air.
  • the combination of the relative pressure sensor 20 and of the nozzle or orifice 32 allows to perform, in addition to the pressure control, a simplified flow control.
  • the master module 1 is further provided with a differential pressure sensor 34 for detecting the difference of pressure upstream and downstream the nozzle or orifice 32.
  • the differential pressure sensor 34 is also operatively connected to the electronic control unit 22, for example to perform a full closed loop flow control.
  • the master male-type inlet and female-type outlet electronic connectors 26, 28 and the master electronic printed circuit board 30 are configured to receive and transmit power supply signals and digital communication bus signals.
  • the power supply for the electronic component of the master electronic printed circuit board 30 (5 V) is separated from the power supply of the proportional electrovalves (for example 12 V or 24 V).
  • the electronic interface of the master module further includes a terminal for inputting an analogue setpoint and a terminal for outputting a feedback signal.
  • the master electronic printed circuit board 30 is directly connected to the electric pins 18' of the solenoid 18a of the master proportional electrovalve 18.
  • the master electronic printed circuit board 30 extends parallel to the master module valve body 10.
  • the master electronic printed circuit board 30 is supported by the electric pins 18' and, at the opposite side, by supporting pillars 19 extending from the master module valve body 10.
  • master male-type inlet and master female-type outlet electronic connectors 26, 28 are configured to be connected to electronic printed circuit board of another pneumatic master module or of a slave module such that all the electronic printed circuit boards lie in the same plane.
  • the pneumatic master inlet port 12 and the first master pneumatic outlet port 14 are formed in the face 10b of the master module valve body 10 opposite to the master proportional electrovalve ( figure 5 ) or in the face 10c opposite to the electronic printed circuit board 30 ( Figures 1 , 1a ).
  • the second master pneumatic outlet port 16 is formed on one (10d) of the lateral faces of the master module valve body perpendicular to the electronic printed circuit board 30.
  • the second master pneumatic outlet port 16 is divided into two outlet ducts 16a and 16b: a first outlet duct 16 bypasses the master proportional electrovalve 18 and is directly connected to the inlet port 12; the second outlet duct 16b is connected to the outlet of the master proportional electrovalve 18, as shown in figure 4 .
  • a first outlet duct 16 bypasses the master proportional electrovalve 18 and is directly connected to the inlet port 12; the second outlet duct 16b is connected to the outlet of the master proportional electrovalve 18, as shown in figure 4 .
  • the master electronic printed circuit board 30 has substantially the same width of the master module valve body 10.
  • FIGS 2 , 2a show a slave module 200 adapted to be connected to and driven by a respective master module 1 so as to form a master-slave module 300.
  • the slave module 200 comprises a slave module valve body 210 in which passages for a flow of pressurized air are formed. These passages connects a slave pneumatic inlet port 212 to a slave pneumatic outlet port 214.
  • the slave module 200 can be provided with a slave proportional electrovalve 218 or with a slave on/off electrovalve 2180.
  • the slave electrovalve 218; 2180 is connected between the slave pneumatic inlet port 212 and the slave pneumatic outlet port 214.
  • Each of the proportional or on/off electrovalve 218; 2180 is driven by a control signal provided by the master module 1.
  • the slave module 200 is provided with a slave male-type inlet electronic connector 226 adapted to be releasably connected to the master female-type outlet connector 28 of the master module and a slave female-type outlet connector 228 suitable for being releasably connected to a master male-type inlet electronic connector 26 of another master module 1.
  • the slave male-type inlet and female-type outlet electronic connectors 226, 228 are adapted for receiving and transmitting analog and digital electronic signals, in particular power supply signals and digital communication bus signals.
  • the slave male-type inlet electronic connector 226 and the slave female-type outlet connector 228 are mounted on parallel opposite sides of a slave electronic printed circuit board 230, so that the master electronic printed circuit board 30 and the slave electronic printed circuit board 230 lie in the same plane.
  • the slave valve body 210 has a lateral face 210d in which the slave pneumatic inlet port 212 is formed and which is adapted to abut against a lateral face 10d of the master valve body, so that the second master pneumatic outlet port 16 and the slave pneumatic inlet port 212 can be directly and sealingly connected, for example with the interposition of a sealing element 40.
  • the slave module valve body 210 as the same external shape and sizes of the master module valve body 10.
  • the slave electronic printed circuit board 230 has substantially the same width of the slave module valve body 210.
  • the whole slave module 200 has the same external shape and sizes of the master module 1.
  • Figures 3 , 3a and 3b show the master module 1 and the slave module 200 connected together to form a master-slave module 300.
  • the master module 1 and the slave module 200 are placed side by side so that the master second pneumatic outlet port 16 is aligned and in direct communication with the slave inlet port 212, without the interposition of any external connection element, apart the sealing element.
  • the master module 1 and the slave module 200 are connected by the coupling of the respective electric connectors 28, 226.
  • the master proportional electrovalve 18 is a 2-way valve and the slave electrovalve 218; 2180 is also a 2-way valve.
  • the master module 1 alone can perform 2-way functions, while the master-slave module 300 can perform 3-way functions.
  • Master modules 1 and/or master-slave modules 300 can be connected to form a system 400 of stackable control modules.
  • the system 400 comprises a digital communication bus 410, at least one pneumatic master module 1 and/or at least one pneumatic master-slave module 300, each master module 1 or master-slave module 300 exchanging data through the digital communication bus 410.
  • At least two identical master modules 1 are directly connected each other through the electronic master outlet 28 and inlet 26 connectors.
  • one master module 1 is electrically connected to the slave outlet electronic connector 228 of a slave module 200 of a master-slave module 300.
  • the slave module 200 acts as a bridge for transmitting to the downstream master module 1 at least the electric signals of the digital communication bus 410.
  • such a system of stackable control modules can include:
  • the system can perform:
  • the position control by external feedback sensor for example, with the combined use of a master-slave module connected to the rod side of a pneumatic cylinder and a master-slave module connected to the bore side of the cylinder, it is possible to control this cylinder in closed loop positioning mode by reading in an analog input signal that contains information about the position of the cylinder and intercommunicating via the digital communication bus between the two master-slave modules.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Control Of Fluid Pressure (AREA)
  • Servomotors (AREA)
  • Valve Housings (AREA)
  • Magnetically Actuated Valves (AREA)
  • Control Of Metal Rolling (AREA)

Claims (13)

  1. Pneumatisches Master-Modul (1) für proportionale Druckoder Durchflusssteuerung, aufweisend:
    - einen Master-Modul-Ventilkörper (10), in dem Durchgänge für eine Druckluftströmung ausgebildet sind, wobei die Durchgänge einen pneumatischen Master-Eingangsanschluss (12) mit einem ersten pneumatischen Master-Ausgangsanschluss (14) für eine direkte pneumatische Verbindung mit einer Last und mit einem zweiten pneumatischen Master-Ausgangsanschluss (16) für die pneumatische Verbindung mit einem pneumatischen Eingangsanschluss eines Slave-Moduls (200) verbinden, das mit dem Master-Modul (1) verbunden werden kann;
    - ein proportionales Master-Elektroventil (18), das eingerichtet ist, den ersten und den zweiten pneumatischen Master-Ausgangsanschluss mit einer geregelten Druckluftströmung zu versorgen, die über den pneumatischen Eingangsanschluss (12) in das Master-Modul eintritt;
    - eine elektronische Steuerungseinheit (22), die so konfiguriert ist, dass sie eine digitale Kommunikationsbus-Schnittstelle für Datenaustausch mit anderen Master-Modulen implementiert;
    wobei das pneumatische Master-Modul (1) dadurch gekennzeichnet ist, dass es ferner aufweist:
    - einen Relativdrucksensor (20) zum Detektieren des Drucks der geregelten Druckluftströmung stromabwärts des proportionalen Master-Elektroventils;
    - einen elektronischen Master-Eingangs-Steckverbinder (26) und einen elektronischen Master- -Ausgangs-Buchsenverbinder (28) zum Empfangen und Senden von analogen und digitalen elektronischen Signalen, und dadurch, dass
    - die elektronische Steuerungseinheit (22) so eingerichtet ist, dass sie das proportionale Master-Elektroventil (18) und ein proportionales Slave- oder AN/AUS-Elektroventil eines jeweiligen Slave-Moduls (200) entsprechend einem von dem Relativdrucksensor (20) bereitgestellten Drucksignal ansteuert;
    - der Relativdrucksensor (20) und die elektronische Steuerungseinheit (22) auf einer elektronischen Master-Leiterplatte (30) montiert sind, wobei der elektronische Master-Eingangs-Steckverbinder (26) und der Master- Ausgangs-Buchsenverbinder (28) auf parallelen, gegenüberliegenden Seiten der elektronischen Master-Leiterplatte (30) montiert sind.
  2. Pneumatisches Master-Modul nach Anspruch 1, ferner aufweisend, stromabwärts des proportionalen Master-Elektroventils (18), eine Düse oder Blende (32) für eine Durchflusssteuerung der geregelten Druckluftströmung.
  3. Pneumatisches Master-Modul nach Anspruch 2, ferner aufweisend einen Differenzdrucksensor (34) zum Detektieren der Druckdifferenz stromaufwärts und stromabwärts der Düse oder Blende (32), wobei der Differenzdrucksensor mit der elektronischen Steuerungseinheit (22) betriebswirksam verbunden ist.
  4. Pneumatisches Master-Modul nach einem der vorstehenden Ansprüche, wobei der elektronische Master-Eingangs-Steckverbinder und der Master- -Ausgangs-Buchsenverbinder (26, 28) und die elektronische Master-Leiterplatte (30) so konfiguriert sind, dass sie Stromversorgungssignale und digitale Kommunikationsbussignale empfangen und übertragen.
  5. Pneumatisches Master-Modul nach einem der vorstehenden Ansprüche, wobei:
    - der Master-Modul-Ventilkörper eine rechteckige Parallelepipedform aufweist;
    - das proportionale Master-Elektroventil auf einer der Flächen des Master-Modul-Ventilkörpers montiert ist;
    - die elektronische Master-Leiterplatte von den elektrischen Stiften (18') des proportionalen Master-Elektroventils (18) des Master-Moduls getragen wird und sich parallel zu dem Ventilkörper (10) des Master-Moduls erstreckt, wobei der elektronische Master-Eingangs-Steckverbinder und der Master-Ausgangs- Buchsenverbinder (26, 28) so konfiguriert sind, dass sie mit einer elektronischen Leiterplatte eines anderen pneumatischen Master-Moduls oder eines Slave-Moduls verbunden werden können, so dass alle elektronischen Leiterplatten (30) in derselben Ebene liegen;
    - der pneumatische Master-Eingangsanschluss (12) und der erste pneumatische Master-Ausgangsanschluss (14) in der dem proportionalen Master-Elektroventil oder der elektronischen Master-Leiterplatte (30) gegenüberliegenden Seite des Master-Modul-Ventilkörpers ausgebildet sind;
    - der zweite pneumatische Master-Ausgangsanschluss (16) an einer der Seitenflächen des Master-Modul-Ventilkörpers senkrecht zu der elektronischen Master-Leiterplatte (30) ausgebildet ist.
  6. Pneumatisches Master-Modul nach einem der vorstehenden Ansprüche, wobei die elektronische Master-Leiterplatte (30) im Wesentlichen die gleiche Breite wie die
    des Master-Modul-Ventilkörpers aufweist.
  7. Pneumatisches Master-Slave-Modul (300) zur proportionalen Druck- oder Durchflusssteuerung, aufweisend ein pneumatisches Master-Modul (1) nach einem der vorstehenden Ansprüche und ein mit dem pneumatischen Master-Modul elektronisch und pneumatisch verbundenes Slave-Modul (200), aufweisend:
    - einen Slave-Modul-Ventilkörper (210), in dem Durchlässe für eine Druckluftströmung ausgebildet sind, wobei die Durchlässe einen pneumatischen Slave-Eingangsanschluss (212) mit einem pneumatischen Slave-Ausgangsanschluss (214) verbinden, wobei der pneumatische Slave-Eingangsanschluss mit dem zweiten pneumatischen Master-Ausgangsanschluss (16) des pneumatischen Master-Moduls verbunden ist;
    - ein proportionales Slave-Elektroventil (218) oder ein Slave-AN/AUS-Elektroventil (2180), das zwischen den pneumatischen Slave-Eingangsanschluss und den pneumatischen Slave-Ausgangsanschluss geschaltet ist, wobei das proportionale oder AN/AUS-Elektroventil durch ein von dem pneumatischen Master-Modul (1) bereitgestelltes Steuersignal angesteuert wird;
    - einen elektronischen Slave-Eingangs-Steckverbinder (226), der lösbar mit dem elektronischen Master- Ausgangs-Buchsenverbinder (28) des Master-Moduls verbunden ist, und einen elektronische Slave- Ausgangs-Buchsenverbinder (228), der geeignet ist, lösbar mit einem elektronischen Master-Eingangs-Steckverbinder (26) eines anderen Master-Moduls verbunden zu werden, wobei der elektronische Slave-Eingangs-Steckverbinder und der Master- Ausgangs-Buchsenverbinder zum Empfangen und Übertragen analoger und digitaler elektronischer Signale angepasst sind,
    wobei der elektronische Slave-Eingangs-Steckverbinder und der elektronische Slave- Ausgangs-Buchsenverbinder auf parallelen, gegenüberliegenden Seiten einer elektronischen Slave-Leiterplatte (230) angebracht sind, so dass die elektronische Master-Leiterplatte (30) und die elektronische Slave-Leiterplatte (230) in derselben Ebene liegen,
    und wobei der Slave-Modul-Ventilkörper (210) eine Seitenfläche (10d) aufweist, in der der pneumatische Slave-Eingangsanschluss (212) ausgebildet ist und die an einer Seitenfläche (210d) des Master-Modul-Ventilkörpers anliegt, so dass der zweite pneumatische Master-Ausgangsanschluss (16) und der pneumatische Slave-Eingangsanschluss (212) direkt und abdichtend verbunden sind.
  8. Pneumatisches Master-Slave-Modul nach Anspruch 7, wobei die elektronischen Eingangs- und Ausgangs-Slave-Verbinder und die elektronische Slave-Leiterplatte so konfiguriert sind, dass sie Stromversorgungssignale und digitale Kommunikationsbussignale empfangen und übertragen.
  9. Pneumatisches Master-Slave-Modul nach einem der Ansprüche 7 oder 8, wobei der Slave-Modul-Ventilkörper die gleiche äußere Form und die gleichen Abmessungen wie der Master-Modul-Ventilkörper aufweist.
  10. Pneumatisches Master-Slave-Modul nach einem der Ansprüche 7-9, wobei die elektronische Slave-Leiterplatte im Wesentlichen die gleiche Breite wie der Slave-Modul-Ventilkörper aufweist.
  11. System (400) zur Druck- oder Durchflusssteuerung, aufweisend:
    - einen digitalen Kommunikationsbus (410);
    - mindestens ein pneumatisches Master-Modul (1) nach einem der Ansprüche 1-6 und/oder mindestens ein pneumatisches Master-Slave-Modul (300) nach einem der Ansprüche 7-10, wobei jedes pneumatische Master-Modul oder pneumatische Master-Slave-Modul Daten über den digitalen Kommunikationsbus austauscht.
  12. System nach Anspruch 11, wobei mindestens zwei identische Master-Module (1) über den elektronischen Master-Ausgangs-Buchsenverbinder und den Master-Eingangs-Steckverbinder (26, 28) direkt miteinander verbunden sind.
  13. System nach Anspruch 11, wobei ein Master-Modul elektrisch mit dem elektronischen Slave-Ausgangsverbinder (228) des Slave-Moduls (200) eines Haupt-Slave-Moduls (300) verbunden ist, wobei das Slave-Modul als Brücke zum Übertragen mindestens der elektrischen Signale des digitalen Kommunikationsbusses (410) an das nachgeschaltete Master-Modul dient.
EP19168449.7A 2018-04-23 2019-04-10 Pneumatische module und system zur proportionalen steuerung Active EP3561316B1 (de)

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IT102018000004796A IT201800004796A1 (it) 2018-04-23 2018-04-23 Pneumatic modules and system for proportional control

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CN114906659B (zh) * 2022-06-15 2024-03-26 山信软件股份有限公司 一种基于无极调节的压辊控制装置与方法

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Publication number Priority date Publication date Assignee Title
EP0608245B1 (de) * 1992-08-19 1996-10-09 Festo KG Elektro-pneumatische steuereinrichtung
DE10216703A1 (de) * 2001-04-20 2002-11-28 Festo Corp Hauppauge Stapelbare Ventilverteileranordnung
DE102004044497B3 (de) * 2004-09-15 2006-04-27 Festo Ag & Co. Anschlussvorrichtung sowie damit ausgestattetes Ventil und Ventilbatterie
DE102009009811A1 (de) * 2009-02-20 2010-09-02 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Elektro-pneumatisches Druckregelmodul mit pneumatisch kreisgetrennten Druckregelkanälen
DE102010035747B4 (de) * 2010-08-28 2013-05-29 Festo Ag & Co. Kg Ventileinheit
US9377035B2 (en) * 2011-09-01 2016-06-28 Fisher Controls International Llc Wireless pneumatic controller
CN104879551A (zh) * 2015-05-22 2015-09-02 南京航空航天大学 一种基于开关策略的气动比例阀系统及其控制方法

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IT201800004796A1 (it) 2019-10-23

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