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EP2606240A1 - Dispositif de commande électrofluidique - Google Patents

Dispositif de commande électrofluidique

Info

Publication number
EP2606240A1
EP2606240A1 EP10795241.8A EP10795241A EP2606240A1 EP 2606240 A1 EP2606240 A1 EP 2606240A1 EP 10795241 A EP10795241 A EP 10795241A EP 2606240 A1 EP2606240 A1 EP 2606240A1
Authority
EP
European Patent Office
Prior art keywords
module
control device
unit
fluid
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10795241.8A
Other languages
German (de)
English (en)
Other versions
EP2606240B1 (fr
Inventor
Ulrich Trautwein
Grzegorz Bogdanowicz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Festo SE and Co KG
Original Assignee
Festo SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Festo SE and Co KG filed Critical Festo SE and Co KG
Publication of EP2606240A1 publication Critical patent/EP2606240A1/fr
Application granted granted Critical
Publication of EP2606240B1 publication Critical patent/EP2606240B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • 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
    • 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
    • F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • F15B19/005—Fault detection or monitoring

Definitions

  • the invention relates to an electrofluidic control device, comprising a modular control unit, which contains an electrotechnical module without fluidic functionality and a downstream in the axial direction of a device main axis fluidic assembly, wherein the electrical assembly comprises a control module with a connection of an external electrical bus enabling bus interface and a having the bus interface electrically connected bus station and wherein the fluid-technical assembly is traversed in the axial direction of the main axis of the device by a plurality of main fluid channels and equipped with at least one communicating with at least one of the main fluid channels Elektrofluidischen working unit, and with a diagnostic module, the sensor means for detecting at least an operating state of the control unit has and how the at least one electro-fluidic working unit on one of the two Assembly-passing internal electric bus is connected to the bus station.
  • An electrofluidic control device of this type known from DE 103 16 129 B4 contains two components placed directly next to one another, one of which is designed as an electro-technical subassembly and one as a fluid-technical subassembly.
  • the electrotechnical module contains a an external electronic control unit communicating control module, which is coupled via an internal electric bus with electro-fluidic working units of the fluid power construction group.
  • the electrofluidic working units are electrically operated, pilot-operated multi-way valves, which communicate with a plurality of the main fluid passages that pass through the fluidic component.
  • the fluid power assembly is equipped with at least one diagnostic module that is capable of monitoring the operating state of at least one adjacently located multi-way valve and to report corresponding monitoring information via the internal bus to the control module.
  • EP 2 026 156 A1 discloses a module arrangement which has a plurality of valve modules which are attached to an electrotechnical module which has a control module connected to an external control device, a plurality of electrical modules provided with connections and a safety module equipped with a switching arrangement.
  • the safety module is able to interrupt the voltage supply to the valve modules when safety-relevant states have been detected by a control and / or diagnostic device.
  • EP 1 573 210 B1 discloses a fluidic control device which has a modular assembly which is composed of a plurality of valve modules and diagnostic modules arranged alternately one after the other. The diagnostic modules are able to detect at least one operating state of one or both of the adjacent valve modules and to report to a control electronics.
  • a valve battery is known, which has valve modules and a valve module controlling the control unit.
  • coupled to the controller position sensing modules are provided, which are arranged adjacent to the valve modules and can detect the switching position of the valve members of the valve modules to monitor the correct operation of the valve modules.
  • a valve arrangement which is equipped with at least one sensor in order to detect and monitor the switching position of a valve member.
  • the invention has for its object to provide an electro-fluidic control device of the type mentioned above, which allows for compact dimensions reliable monitoring of at least one operating state of the control unit.
  • the diagnostic module is arranged as a transition module between the one hand, the electrical assembly and the fluidic assembly and penetrated by the internal electric bus, where it is at the same time a closure module for closing the main fluid channels of the fluidic assembly forms.
  • the diagnostic module simultaneously fulfills several functions. In addition to its main function, the monitoring of at least one operating state of the control unit, it assumes the function of a designated as a transition module adapter, with the help of the electrical assembly and the fluid power assembly are lined up securely and stably.
  • the diagnostic module sits between these two modules, whereby on the one hand the electrotechnical see assembly and on the other side of the fluid power assembly is grown.
  • the diagnostic module also functions as a closure module for the fluid-tight separation of the main fluid channels opening out from it to the electrotechnical assembly which adjoins on the opposite side. An additional, separate closure module can thus be dispensed with. In addition, this offers the advantageous possibility of centrally monitoring operating states of the fluid located in the main fluid passages.
  • the electrical assembly is in addition to the connection of an external electrical bus enabling bus interface with a plurality of the internal electrical bus and connected via this to the bus station electrical inputs and / or outputs.
  • an external electrical bus enabling bus interface with a plurality of the internal electrical bus and connected via this to the bus station electrical inputs and / or outputs.
  • connecting cables leading to external sensors can be connected to receive in this way feedback signals that are generated in the monitoring of external consumers, which are operated in particular by the mediation of at least one electro-fluidic working unit.
  • external consumers are realized for example in the form of fluid-operated drives.
  • the electrical outputs can be used, for example, to external consumers, such as external valve units or external electric drives, with the supply required electrical signals and / or electrical actuation energy.
  • control unit expediently has at least one input module provided with one or more electrical inputs
  • All existing input and / or output modules are arranged in series with the control module and the diagnostic module. At least one input and / or output module expediently sits between the control module and the diagnostic module, wherein it is considered particularly advantageous if all available input and / or output modules are placed between the control module on the one hand and the diagnostic module on the other hand.
  • the sensor means of the diagnostic module are expediently arranged and configured such that they can detect at least one state variable of the fluid located in at least one of the main fluid passages. Appropriately, all main fluid channels can be monitored in this way.
  • the sensor means are preferably able to detect the pressure and / or the temperature and / or the humidity of the fluid. With the aid of pressure detection, it is possible to determine, for example, whether leakage occurs and / or whether the desired flow values are being achieved.
  • the sensor means per main fluid channel to be monitored with at least one own sensor unit which is connected to the internal electric bus.
  • the existing sensor units can be half of the diagnostic module are placed optimally with respect to the closed by the diagnostic module main fluid channels.
  • a blind hole which is aligned with this main fluid channel and with which the sensor means communicate expediently exists in the diagnostic module per main fluid channel to be monitored.
  • This blind hole can thus virtually form a monitoring space in which the desired condition monitoring can take place.
  • control unit has an electrically operable valve unit, which is arranged either directly or immediately adjacent to the diagnostic module and for monitoring the sensor means of the diagnostic module are formed.
  • the sensor means are able to detect at least one switching position of this valve unit in order to be able to monitor the proper operation of the valve unit.
  • a valve unit arranged next to the diagnostic module can be formed, for example, by an electrofluidic working unit of the fluidic module located adjacent to the diagnostic module.
  • an embodiment is particularly advantageous in which the valve unit monitored by the diagnostic module does not belong to the fluidic module, but is mounted individually on the diagnostic module.
  • the valve unit arranged on or next to the diagnostic module and monitored by its sensor means is expediently capable of establishing a fluid connection between two of the main fluid channels passing through the fluidic module. to control.
  • the valve unit is capable of selectively connecting or disconnecting two such main fluid passages.
  • control unit which is equipped with electro-fluidic working units in the form of pilot-operated multi-way valves, to supply a pilot control passage communicating with all the pilot control valves optionally with pressure medium or relieve pressure.
  • the pilot control medium can thus be switched on or off.
  • the monitorable by the diagnostic module valve unit can also be designed as a pressure build-up valve or soft-start valve to cause within the electrical assembly, in particular during their commissioning, a gradual pressure build-up and thereby prevent malfunction of connected consumers.
  • the fluid power module is expediently equipped with a plurality of fluidic modules lined up in the axial direction of the main axis of the device, each of which has at least one electrofluidic working unit. At least one fluid power module can also be equipped with several electro-fluidic working units at the same time.
  • At least one electrofluidic working unit of the electrotechnical module is expediently designed as an electrically operable multi-way valve, with which a connected, external consumption can be fluidly controlled.
  • At least one electrofluidic working unit can also be designed as a vacuum generator unit, with which a negative pressure can be generated which, for example, in the Handling technology is available to operate a designed as a suction cup consumer.
  • fluid-technical modules of the electrotechnical module preferably each contain a distributor unit penetrated by the main fluid channels and the internal electric bus and also at least one electrofluidic working unit mounted on this distributor unit in a preferably detachable manner, wherein the fluidic modules are juxtaposed with their distributor units and wherein the fluid power module is mounted with an end-side distribution unit to the diagnostic module.
  • FIG. 1 shows an advantageous embodiment of the electrofluidic control device according to the invention in a side view and partially broken away
  • Fig. 2 is a plan view of the control device of FIG. 1 with viewing direction according to arrow II, and
  • FIG. 3 is a schematic longitudinal section through the control device according to section line III-III of Fig. 1st
  • a designated generally by reference numeral 1 electrofluidic control device is shown, which is composed of a again shown in Fig. 2 and 3 control unit 2 and expediently also only schematically indicated, external electronic control unit 3.
  • the control unit 2 is modular. It has a main extension direction, which is defined by a dot-dash line on ⁇ gedeutete device main axis 4.
  • the control unit 2 contains an electrotechnical assembly 5 and a fluid power assembly 6. In addition, it contains a arranged between the electrical assembly 5 and the fluid assembly 6 diagnostic module 7.
  • the electrical assembly 5, the diagnostic module 7 and the fluid assembly 6 are axial direction of the devices - main axis 4 arranged consecutively and secured together.
  • the diagnostic module 7 realizes the transition between the electrical component 5 and the fluid power module 6. It can therefore also be referred to as a transition module or adapter module. It has a first mounting surface 9a on a first end face 8a oriented in the axial direction of the device main axis 4 and has a second mounting face 9b on a second end face 8b oriented oppositely to the first end face 8a.
  • the two mounting surfaces 9a, 9b are oriented opposite to each other in the axial direction of the device main axis 4.
  • the electrical assembly 5 is attached and fixed.
  • the fluidic assembly 6 is attached and fixed.
  • the diagnostic module 7 expediently still a termination module that the better distinction in the electrical assembly 5 as the first termination module 12th and in the fluidic module 6 is referred to as the second termination module 13.
  • the termination modules 12, 13 can also each be a component of the associated assembly 5, 6.
  • the electrotechnical module 5 has only electrical and / or electromechanical functionalities. It has no fluidic functionalities, so it is neither penetrated by any fluid channels nor is they traversed by the operation of the control unit 2 of fluid. Fluidic functionalities are reserved for the fluidic module 6 and preferably also for the diagnostic module 7. In this case, it is of relevance for the diagnostic module 7 that it acts, as it were, as a bulkhead wall for separating the fluid-technical structures of the fluidic module 6 from the electrotechnical module 5. It can therefore also be referred to as a closure module.
  • the fluidic module 6 is equipped with at least one and expediently with a plurality of electro-fluidic working units 14 whose operation is controlled by a control module 15 of the electrical component 5.
  • the working units 14 are electrically actuated and control, depending on their electrical actuation, the flow of a fluid, in particular compressed air.
  • the electrofluidic working units 14 of the exemplary embodiment are electrically actuatable multiway valves.
  • Each multiway valve 14a includes at least one electrically operable drive part 16 and a
  • Fluid control part 17 with at least one valve member arranged in the interior of the valve 18, which by the associated drive part 16th movable and in particular switchable between different switching positions.
  • the multiway valves 14a are preferably pilot operated multiway valves.
  • the at least one drive part 16 is designed as a pilot valve 16a, in particular in a design as a solenoid valve.
  • the at least one pilot valve 16a is capable of generating a fluidic control signal corresponding to the obtained electrical actuation signals, which acts on the associated valve member 18 to position it accordingly.
  • the control module 15 has an internal bus station 22 as well as an externally accessible bus interface 23 which is electrically connected to the bus station 22.
  • An external electrical bus 24 producing the connection to the external electronic control unit 3 is connected or connectable to the bus interface 23.
  • Sen ⁇ sorites are also connected to the internal bus 25 .
  • the interfaces which are referred to hereinafter as Sen ⁇ soritesstellen are indicated at the 32nd
  • the fluidic module 6 in the axial direction of the main device axis 4 passes through a plurality of fluid channels which are designated as better than the main fluid channels 33 for better differentiation from other fluid channels.
  • one of the main fluid channels 33 is a main feed channel 33a, which can be connected to an external pressure source P via a connection device 34 which is accessible from the outside.
  • the pressure source P supplies a fluidic pressure medium, in particular compressed air, to be processed by the electro-fluidic working units 14.
  • One or, as in the exemplary embodiment, two further main fluid passages 33 are designed as main discharge passages 33b, 33c, which expediently communicate with the atmosphere via a respective silencer 35 when the pressure medium is compressed air.
  • the main discharge channels 33b, 33c are provided with interfaces through which they can be connected to a tank.
  • Each of the aforementioned main fluid passages 33 communicates with each multiway valve 14a via a fluidic interface 36.
  • each multiway valve 14a communicates with two individual working channels 37a, 37b, which lead to the outside of the control unit 2 accessible working ports 38, to which a controllable by the originating from the pressure source P pressure medium consumer can be connected.
  • Each multi-way valve 14a which is preferably a 5/2 way valve, can be put into such switching states by appropriate actuation of its drive part 16 that two working ports 38 connected to it alternately with the main feed channel 33a or a Hauptabisekanal 33a. driving channel 33b, 33c are connected.
  • Driving channel 33b, 33c are connected.
  • the required for switching the valve members 18 fluid ⁇ cal control signal is supplied by a controlled by the drive parts 16 fluidic pilot medium. This is supplied by way of example to all drive parts 16 via a further main fluid channel 33 which is connected to each pilot valve 16a via a respective fluidic interface 42 and which is referred to below as the pilot control feed channel 33d.
  • fluidic interfaces are indicated at 39, via which the working channels 37a, 37b are connected to the multiway valves 14a.
  • the pilot control feed channel 33d could be supplied from the outside with the desired pilot control medium via its own pilot control feed connection 43 indicated in phantom in FIG. 2.
  • the control unit 2 of the embodiment offers the possibility to supply the pilot control feed channel 33d internally in the control unit 2 with pilot control medium by being connected to the main feed channel 33a.
  • the pilot medium is thus diverted from the main feed channel 33a.
  • the control unit 2 is equipped with a suitable valve unit 44.
  • This valve unit 44 communicates, as can be easily understood, in particular, with reference to the switching symbol shown in FIG. 2, firstly with the main feed channel 33a, secondly with the pilot feed channel 33d and finally also with a pre-control discharge channel 45 leading to the atmosphere.
  • the valve unit 44 can selectively assume one of two switching Stel ⁇ lungs, wherein the pilot supply channel 33d communicates in a switching position with the main supply duct 33a and in the other switch position with the pilot discharge channel 45th In this way, the pilot control feed channel 33d can optionally be supplied with the necessary for operating the working units 14 pilot control medium or pressure moderately relieved. In pressure moderately relieved state of the pilot control feed channel 33d, the multiway valves 14a can not be switched.
  • valve unit 44 communicates with the main feed channel 33a, the pilot feed channel 33d and the pilot discharge channel 45, are indicated at 50 in FIG.
  • the pressure relief of the pilot feed channel 33d could take place through one of the main discharge channels 33b, 33c, instead of via the separately present pilot discharge channel 45.
  • the diagnostic module 7 has the task of forming a closure module, by means of which the main fluid channels 33 passing through the fluidic module 6 are closed on their front side facing the diagnostic module 7.
  • the main fluid channels 33 thus terminate either on the second mounting surface 9b or in the interior of the diagnostic module 7 and do not terminate at the first mounting surface 9a of the diagnostic module 7 facing the electrotechnical module 5. Consequently, there is no need for any sealing measures and, in particular, the electrotechnical assembly 5 can be grown and removed without the risk of fluid leakage from the main fluid channels 33.
  • the electrical assembly includes at abroadsbei ⁇ play also an input module 46 and an output module 47.
  • the input module 46 includes one or more electrical ⁇ specific inputs 48, the output module 47 one or more electrical outputs 49th
  • the electrical inputs 48 and outputs 49 are designed to be able to connect electrical cables leading to external components which are to be connected to the control unit 2.
  • the electrical inputs 48 can be connected, for example, with external sensors and the electrical outputs 49 can be connected to external electrical loads, for example with external valve devices or external electrical drives.
  • control module 15 in addition to its bus interface 23 still have at least one electrical input and / or at least one electrical output.
  • the electrical assembly 5 may also have a combined input and output module, which is provided with both electrical inputs and electrical outputs.
  • Both the electrical inputs 48 and the electrical outputs 49 are connected via internal interfaces 52 of the associated module 46, 47 with the internal electrical bus 25 in connection.
  • the existing at least one input and / or output module 46, 47 is expediently arranged between the control module 15 and the diagnostic module 7. Apart from the optionally present first termination module 12, the control Module 15 thus expediently the electrotechnical assembly 5 on the diagnostic module 7 opposite end face.
  • An advantageous structural design of the fluidic module 6 is realized in the embodiment and manifests itself in that the fluidic module 6 has a plurality of aligned in the axial direction of the main axis 4 and equipped with at least one electrofluidic working unit 14 or equipable fluidic modules 53. Corresponding to the number of required electrofluidic working units 14, the fluid-technical assembly 6 can thus be modularly equipped with a different number of fluid-technical modules 53.
  • three fluid power modules 53 are present.
  • the series of fluidic modules 53 is mounted with one end face on the second mounting surface 9b and is provided on the opposite end side with the second termination module 13, which expediently carries the connection device 34 for the main feed channel 33a and the optionally existing silencers 35.
  • the second termination module 13 also serves for the frontal termination of the pilot control passage 33d.
  • All fluid power modules 53 are interspersed on the one hand by the main fluid channels 33 and on the other by the internal electrical bus 25.
  • the fluid power modules 53 are in each case of modular design and each contain a distributor unit 54 penetrated by all the main fluid channels 33 and by the internal electric bus 25, which is detachably equipped with at least one electrofluidic working unit 14.
  • each distributing unit 54 For equipping with the working units 14 , each distributing unit 54 at a right angle oriented towards the Ge ⁇ councils main axis 4 outer surface a mounting area 55, to each of which at least one electrofluidic working unit 14 can be attached in preferably detachable manner.
  • the above-mentioned fluidic interfaces 36, 39 and 42 are also located on the mounting surfaces 55 as the other electrical interfaces 27.
  • the mounting surface 55 is provided which has a corresponding equipment at fluidic and electrical interfaces, so in that a multi-way valve 14 a can be mounted thereon.
  • each distributor unit 54 is provided with a mounting surface 55 which defines two mounting positions, so that two multiway valves 14a can be mounted next to one another in the axial direction of the main device axis 4.
  • the fluid power modules 53 are lined up with their distribution units 54 and secured together. About the diagnostic module 7 facing distribution unit 54, the entire fluid power assembly 6 is attached to the second mounting surface 9b of the diagnostic module 7.
  • each main fluid channel 33 in the diagnostic module 7 is expediently assigned at least one own sensor unit 28a of the sensor means 28, which is able to determine at least one state variable of the fluid located in the associated main fluid channel 33.
  • These sensor units 28a are preferably designed to determine the pressure and / or the temperature and / or the humidity or moisture of the pressure medium. On the basis of the determined measured values which are forwarded via the internal bus 25 to the bus station 22 and from there to the external electronic control unit 3, the correct functioning of the control unit 2 and its components can be reliably monitored by comparison with reference values.
  • the evaluation of the measurement values determined by the sensor means 28 can alternatively or additionally also take place in an internal electronic control unit 56, with which the control module 15 is expediently equipped and which is preferably integrated in the bus station 22.
  • the detection takes place in a monitoring space 57 of the diagnosis module 7, to which the sensor means 28 are connected.
  • the monitoring space 57 is formed by a respective blind hole which opens out to the second mounting surface 9b and which is connected to a subsequent main fluid channel 33 of the fluidic component assembly. pe 6 is aligned. In this way always consistently good measurement conditions are detected in the diagnostic module 7 is available regardless of the off ⁇ design of the components of the fluid control assembly. 6
  • the sensor means 28 are advantageously arranged and adapted to detect at least one operating state of the above-mentioned valve unit 44.
  • the senor means 28 expediently have a detection device 28b, which cooperates with the valve unit 44.
  • valve unit 44 An optimal interaction of the detection device 28b with the valve unit 44 is ensured in the embodiment in that the valve unit 44 is arranged directly on the diagnostic module 7. It is therefore located in close proximity to the sensor means 28 or their detection device 28b.
  • the diagnostic module 7 has expediently at a right angle to the main axis of the device 4 oriented side on a mounting surface 58 to which the valve unit 44 is mounted in a preferably releasable manner.
  • This mounting surface 58 is expediently oriented the same as the at least one mounting surface 55 of the distributor units 54.
  • this mounting surface 58 On the said mounting surface 58 are the above-mentioned fluidic interfaces 50.
  • this mounting surface 58 is provided with a connected in the interior of the diagnostic module 7 to the internal electrical bus 25 electrical interface 62, the mounted at Valve unit 44 with an electrically operable drive means 63 of the valve unit 44 is in communication.
  • the detection device 28b is designed to detect at least one switching position of the valve unit 44 or of a valve member 64 of the valve unit 44.
  • the detection device 28b for example, include a so-called Hall sensor, which is arranged in such a way next to the valve member 64 that it can be excited without contact by a motion-coupled to the valve member 64 permanent magnetic actuator 65.
  • a so-called Hall sensor which is arranged in such a way next to the valve member 64 that it can be excited without contact by a motion-coupled to the valve member 64 permanent magnetic actuator 65.
  • valve unit 44 The detection of the operating state of the valve unit 44 is also possible if this valve unit 44 is not attached directly to the diagnostic module 7, but is located directly next to the diagnostic module 7 and is formed for example as part of the fluid power assembly 6. If no valve unit 44 is present, the diagnosis module 7 could also directly record the operating state of the first electro-fluidic working unit 14 adjoining the diagnostic module 7.
  • valve unit 44 which in the exemplary embodiment the case is - combined with the diagnostic module 7 to form an assembly or structural unit.
  • the diagnostic module 7 is stepped laterally to form its mounting area 58 so that in addition to the assembly plants ⁇ ckungs constitutional 58, a projection 66 of the diagnostic module 7 perpendicular towering to the device main axis 4 and mounted on the mounting surface 58 Flanked valve unit 44 in particular alongside. Sensor means 28 accommodated in this projection 66 or a detection means 28b located there can optimally cooperate with the valve unit 44 placed next to it.
  • the sensor means 28 need not necessarily have all the functionalities described above. For example, they could also be designed and arranged to detect the operating state of only the fluid flowing in the control unit 2 or only one valve unit 44 or working unit 14 arranged in the region of the diagnostic module 7.
  • valve unit 44 is designed as a soft-start valve that provides for a gradual build-up of pressure in one of the main fluid passages 33.
  • the diagnostic module 7 expediently has a module base body 67, which is expediently designed in the form of a housing and in the interior of which the sensor means 28 and the electrical conductors required for their electrical contacting with the internal electrical bus 25 are located. Also, the possibly existing monitoring chambers 57 are formed in the module base body 67. Furthermore, fluid channels can run inside the module body 67, which communicate with the valve unit 44 and with others
  • Fluid channels of the control unit 2 may be in communication.
  • the internal electric bus 25 is expediently segmented in its longitudinal direction.
  • a bus segment 68 which is implemented for example on a circuit board and which is fixed in the relevant module so that when attaching two Mo dule due to existing interface means 72 sets a going bus connection.
  • the main fluid channels 33 expediently each consist of a plurality of axially juxtaposed fluid channel sections which pass through the fluidic modules 53 and are aligned with each other in the assembled state of the fluidic assembly 6.
  • a significant advantage of the control unit 2 is that the diagnostic module 7 is placed between the electrical and the fluidic part of the control unit. In this way, an optimal functional separation between the two modules of the control unit 2 is possible, which precludes mutual interference. If required, fluidic functions can be integrated into the diagnostic module 7, for example fluid channels which communicate at least partially with the main fluid channels 33 of the fluidic module 6 and which can be controlled by a valve unit 44 which is mounted on the diagnostic module 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Driven Valves (AREA)
  • Multiple-Way Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Valve Housings (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

L'invention concerne un dispositif de commande électrofluidique (1) comportant un appareil de commande (2) réalisé sous une forme modulaire. L'appareil de commande (2) contient un bloc électrotechnique (5) et un bloc fluidique (6), entre lesquels est placé un module de diagnostic (7). Le module de diagnostic (7) peut détecter des états de fonctionnement de l'appareil de commande (2) et les transmettre à un module de commande (15) du bloc électrotechnique (5) par l'intermédiaire d'un bus électrique interne (25). Le module de diagnostic (7) sert également à fermer les canaux de fluide principaux (33) traversant le bloc fluidique (6).
EP10795241.8A 2010-12-11 2010-12-11 Dispositif de commande électrofluidique Not-in-force EP2606240B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/007564 WO2012076035A1 (fr) 2010-12-11 2010-12-11 Dispositif de commande électrofluidique

Publications (2)

Publication Number Publication Date
EP2606240A1 true EP2606240A1 (fr) 2013-06-26
EP2606240B1 EP2606240B1 (fr) 2013-11-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10795241.8A Not-in-force EP2606240B1 (fr) 2010-12-11 2010-12-11 Dispositif de commande électrofluidique

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EP (1) EP2606240B1 (fr)
KR (1) KR101764461B1 (fr)
CN (1) CN103339389B (fr)
WO (1) WO2012076035A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3222855B1 (fr) * 2016-03-22 2018-11-14 FESTO AG & Co. KG Appareil de commande fluidique
DE102016217506A1 (de) * 2016-09-14 2018-03-15 Festo Ag & Co. Kg Fluidverteilervorrichtung
DE102020202577B4 (de) * 2020-02-28 2022-09-15 Festo Se & Co. Kg Ventilmodul, Ventilanordnung und Verfahren
GB2596863A (en) * 2020-07-10 2022-01-12 Norgen Ltd Diagnostic valve island

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH683021A5 (de) * 1991-06-25 1993-12-31 Walter Ag Anordnung mit mehreren Magnetventilen, insbesondere für eine Ventilbatterie.
JP3590762B2 (ja) 2000-09-05 2004-11-17 Ｓｍｃ株式会社 位置検出機能を備えたマニホールドバルブ
DE20219497U1 (de) 2002-12-17 2003-03-06 FESTO AG & Co., 73734 Esslingen Fluidtechnisches Steuergerät
DE50300580D1 (de) * 2003-04-01 2005-06-30 Festo Ag & Co Steuergerät
DE10316129B4 (de) * 2003-04-03 2006-04-13 Festo Ag & Co. Diagnosemodul und Steuergerät für eine Ventilbatterie
DE10328422A1 (de) 2003-06-25 2005-01-27 Festo Ag & Co. Positionserfassungsvorrichtung sowie damit ausgestattete fluidtechnische Vorrichtung
WO2008101513A1 (fr) * 2007-02-22 2008-08-28 Festo Ag & Co. Kg Module d'interface pour la commande d'une unité à soupapes
EP2026156B1 (fr) 2007-08-16 2009-09-30 Festo AG & Co. KG Agencement modulaire doté de modules rangés les uns sur les autres dans un dispositif de série, formés au moins en partie en tant que module de robinet
US8074680B2 (en) * 2008-03-28 2011-12-13 Numatics, Incorporated Modular electrical bus system with built in ground circuit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012076035A1 *

Also Published As

Publication number Publication date
CN103339389B (zh) 2015-09-09
EP2606240B1 (fr) 2013-11-06
KR101764461B1 (ko) 2017-08-02
CN103339389A (zh) 2013-10-02
WO2012076035A1 (fr) 2012-06-14
KR20130143573A (ko) 2013-12-31

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