EP3222855B1 - Appareil de commande fluidique - Google Patents

Appareil de commande fluidique Download PDF

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Publication number
EP3222855B1
EP3222855B1 EP16161545.5A EP16161545A EP3222855B1 EP 3222855 B1 EP3222855 B1 EP 3222855B1 EP 16161545 A EP16161545 A EP 16161545A EP 3222855 B1 EP3222855 B1 EP 3222855B1
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EP
European Patent Office
Prior art keywords
distributor
fluid
module
signal transmission
modules
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16161545.5A
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German (de)
English (en)
Other versions
EP3222855A1 (fr
Inventor
Thomas Glas
Lars Blassmann
Martin Trautwein
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
Priority to EP16161545.5A priority Critical patent/EP3222855B1/fr
Priority to CN201710169321.8A priority patent/CN107218264B/zh
Publication of EP3222855A1 publication Critical patent/EP3222855A1/fr
Application granted granted Critical
Publication of EP3222855B1 publication Critical patent/EP3222855B1/fr
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Anticipated expiration legal-status Critical

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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
    • 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
    • F15B13/0821—Attachment or sealing of modular units to each other
    • 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
    • F15B13/0828—Modular units characterised by sealing means of the modular units
    • 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
    • F15B13/0807—Manifolds
    • F15B13/0817—Multiblock manifolds
    • 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

Definitions

  • the invention relates to a fluidic control device having a modular fluid distributor, which has a plurality of juxtaposed in the axial direction of a longitudinal distribution modules, the pair with the interposition of a Verteilermoduldichtung facing each other joining surfaces and at least partially equipped with at least one electrically actuated control valve, wherein the Fluid manifold is interspersed by a communicating with the control valves distributor fluid channel system, which is composed of distributor modules formed in the distribution module fluid channels and wherein the fluid distributor is interspersed in its longitudinal direction by a trained for transmitting electrical signals, electrically connected to the control valves signal transmission line.
  • One from the EP 1 081 389 B1 known fluid control device of this type has a permeated by a signal transmission line modular fluid manifold, which is composed of a plurality of juxtaposed manifold modules, each composed of a valve support module and sitting on the valve support module, electrically actuated control valve.
  • the signal transmission line is used to transmit electrical control signals to the control valves.
  • the control valves are capable of controlling the flow of fluid in a fluid channel system that extends composed of formed in the valve carriers fluid channels.
  • a mask-like distribution distributor seal having a planar extension is incorporated.
  • At least one distributor module can also be equipped with a purely electrically operable relay unit instead of a control valve.
  • a fluidic control device in which a plurality of distributor modules to form a fluid distributor are attached to each other, wherein the fluid distributor is penetrated by a fluid channel system which is controllable by means of integrated in the individual distributor modules control valves with respect to the fluid flow taking place therein.
  • a Verteilermoduldichtung is incorporated, which has a multi-perforated rigid support plate, on whose opposite plate surfaces each have a strip-shaped sealing structure is arranged, which is in sealing contact with the facing joining surfaces of the adjacent distributor modules.
  • One from the DE 10316129 B4 known control unit has a fluid distributor, which is penetrated by a fluid channel system and is equipped with a plurality of control valves. Between the control valves diagnostic modules are arranged, which are able to detect certain parameters of the flowing in the fluid channel system pressure medium.
  • the diagnostic modules can be equipped, for example, with pressure sensors which protrude into relief channels of the fluid channel system.
  • At least one or each Verteilermoduldichtung has a dimensionally stable support plate which is interspersed for the fluidic connection of distributor module fluid channels of the flanking distributor modules of one or more openings and at least one of their two facing the adjacent distributor modules plate surfaces carries a sealingly abutting the joining surface of the opposite distributor module elastic sealing structure, wherein the carrier plate is also equipped with at least one for detecting the fluid pressure prevailing in a distributor module fluid pressure pressure sensor, which is electrically contacted with the signal transmission line.
  • At least one of the distributor module seals used for mutual sealing of adjacent distributor modules is used for pressure detection of a pressure prevailing in the distributor fluid channel system. Since the Verteilermoduldichtung anyway exists, the effort required to realize the pressure monitoring can be kept extremely low. Since the at least one pressure sensor with the used for controlling the control valves signal transmission line electrically contacted, the detected pressure measuring signals can be transmitted in the same way as the electrical control signals and fed to a built-in the control unit and / or an external control electronics. The combination of the at least one pressure sensor with a dimensionally stable support plate of the Verteilermoduldichtung ensures a secure fixation without risk of damage to the pressure sensor and facilitates handling during assembly of the control unit.
  • Each pressure sensor of each distributor module seal is preferably electrically contacted to the signal transmission line via an interface device arranged on the carrier plate of the distributor module seal and designated as a pressure sensor interface device, in particular in a detachable manner.
  • a reliable electrical connection between a pressure sensor and the pressure sensor interface device assigned to it results if this connection is realized via conductor tracks running on the carrier plate. This can also prevent damage in handling the Verteilermoduldichtung in connection with the assembly of the fluid distributor.
  • MID stands for "Molded Interconnect Device”.
  • a metal sheet is expediently used as the carrier plate, which is coated-in particular by powder coating-with an electrically insulating plastic layer whose material can be activated by means of laser beams, so that copper serving for forming the conductor tracks can be selectively deposited thereon.
  • This process is also referred to as laser direct structuring.
  • both plate surfaces of the carrier plate are used for the application of the conductor tracks, the material requirement for the carrier plate can be reduced to a minimum. It is possible to use existing openings in the carrier plate to lead from a populated on one of the plate surfaces pressure sensor traces to the opposite plate surface.
  • the conductor tracks may, for example, be guided around an edge of an opening in the carrier plate.
  • the pressure sensor interface device is designed as a plug-in device, which ensures a particularly reliable in the case of shock electrical connection to the signal transmission line. It is possible to equip a conventional plug-in device as a separate component on the support plate.
  • the pressure sensor interface device consists of a one-piece with the support plate, in particular rectangular bent out of the plane of the support plate tab, which is plugged into a counterpart of the signal transmission line and therefore can be referred to as a tab.
  • the printed conductors used for contacting the pressure sensor extend in this case, except for the insertion tab, so that the electrical connection with the signal transmission line can be realized directly by conductive surfaces of the conductor tracks.
  • the signal transmission line has expediently for contacting with each pressure sensor interface device in this respect a compatible connection interface device.
  • the signal transmission line is preferably modular, wherein it is composed of a plurality of signal transmission modules, each of which belongs to one of the distributor modules and which are detachably connected to one another in the joining region of respectively adjacent distributor modules.
  • This design has the advantage of a simple adaptation to the number of existing distribution modules compared to a realization as a continuous cable strand.
  • the mutual coupling of the signal transmission modules is particularly easy to perform when the signal transmission modules are equipped at their opposite end portions with mutually complementary, referred to as signal transmission interface devices interface devices that allow a simple and secure electromechanical coupling.
  • signal transmission interface devices interface devices that allow a simple and secure electromechanical coupling.
  • the mutually complementary signal transmission interface devices for example, the one may be performed in the manner of a plug and the other in the manner of a power outlet.
  • connection interface device is expediently arranged adjacent to one of the signal transmission interface devices arranged on a signal transmission module.
  • the carrier plate of the Verteilermoduldichtung expediently has an opening which allows the passage of the signal transmission line. This opening is expediently located in the immediate vicinity of the connection interface device.
  • At least one pressure sensor is expediently arranged on one of the two adjacent distributor modules facing plate surfaces of the carrier plate.
  • the pressure sensor can be placed optimally in that region of the distributor fluid channel system in which the fluid pressure is to be measured.
  • the pressure sensor can be placed in particular such that it is arranged in the region of one of the distributor module fluid channels.
  • At least one pressure sensor may be arranged on a carrier lug of the carrier plate projecting into an adjacent distributor module. In this way, the pressure sensor can protrude very far into a channel of the distributor module and, depending on the length of the carrier lug, measure the pressure at a location arbitrarily spaced from the joining region between two distributor modules.
  • the pressure sensor is arranged on a wall portion of the carrier plate, which projects between two mutually aligned distributor module fluid channels.
  • This is in particular a wall section of the carrier plate, the two mutually aligned distributor module fluid channels the two adjacent distribution modules separated from each other to prevent fluid transfer.
  • a distributor through-flow channel passing through the fluid distributor can be subdivided into different pressure zones.
  • two distributor module fluid channels are separated from each other by such a wall section, which are used in the operation of the fluid power control device as connectable with a user to be actuated working channels. In this way, the currently prevailing working pressure can be monitored very easily directly in the working channel, resulting inter alia in diagnostic options, for example, to monitor a correct function of the associated control valve.
  • the carrier plate of the distributor module seal carries on both opposing plate surfaces an elastic sealing structure, which bears sealingly against the joining surface of the respectively opposite distributor module, elastic sealing measures on the distributor modules are unnecessary, which allows a cost-effective production of the fluid distributor.
  • the elastic sealing structure arranged on at least one plate surface of the carrier plate consists in particular of a material with rubber-elastic properties. It is realized in particular in a mask shape, wherein it consists of a plurality of strip-shaped, linear and / or curved sealing portions, which merge integrally into one another.
  • the sealing structure is applied to the carrier plate using a bonding agent which has been suitably coated with plastic material. The application is done especially in liquid Condition by injection molding with subsequent vulcanization process.
  • An advantageous embodiment of the control device provides that at least one of the two joining surfaces of each distributor module is formed partially recessed, wherein the Verteilermoduldichtung dips into the resulting recess, so that in the assembled state of the fluid manifold the both sides of one and the same Verteilermoduldichtung arranged distribution modules abut each other in block.
  • the Verteilermoduldichtung is framed by abutting mating surface portions of the two distribution modules and thereby expediently shielded from the outside invisible manner to the external environment of the control unit.
  • the solid cohesion of the distributor modules is realized, in particular, in that in the longitudinal direction of the fluid distributor immediately adjacent distributor modules are screwed together in pairs.
  • An alternative possibility is to brace the juxtaposed distributor modules with one another by means of at least one tie rod in the line-up direction.
  • the distributor fluid channel system expediently includes at least one distributor passageway fluid passage that traverses the fluid distributor in its longitudinal direction and is composed of communicating manifold module fluid channels of the juxtaposed manifold modules.
  • at least one such distributor passageway fluid passageway is a manifold feed passage through which all the control valves contained in the fluid manifold are distributed with one Pressure medium, in particular with compressed air, are supplied.
  • At least one other distributor passageway fluid channel is designed as a manifold relief channel which also communicates with all of the control valves and serves to remove pressurized fluid flowing back from the consumer to be controlled.
  • the distributor modules are likewise modular in their construction.
  • Each distributor module contains a valve carrier module penetrated by distributor module fluid channels and one or more control valves, which are fastened to the valve carrier module in a preferably detachable manner as independently functional components and communicate with distributor module fluid channels of the distributor module carrying them.
  • the joining surfaces used in the assembly of the fluid distributor are in this embodiment of the valve support modules, so that the Verteilermoduldiegungen are only arranged between each adjacent valve support modules.
  • the control valves are expediently attached to an outer placement surface of the respective valve support module.
  • a purely electrical device can be mounted or mounted on at least one valve carrier module, for example a relay device.
  • the fluid control device is equipped with an electronic control and / or communication module, which is technically connected to the signal transmission line and can communicate in this way both with the electrically actuated control valves and with the pressure sensors signal technology.
  • the control and / or communication module can output electrical control signals which are transmitted via the signal transmission line the control valves are transmitted to their selective actuation. With appropriate equipment of the control valves also feedback signals generated by the control valves can be transmitted back to the control and / or communication module in this way.
  • the signal transmission line is also used to transmit from the pressure sensors deliverable electrical measurements to the control and / or communication module to allow, for example, a diagnosis and / or to take into account these measurements in the control of the control valves.
  • a pure communication module allows a communication of the control unit with an external electronic control device without taking over control tasks.
  • a pure control module creates the possibility for a self-sufficient operation of the control unit.
  • the control and / or communication module is a combined electronic control and communication module, which has an integrated electronic control device and also interface means that allow communication with an external electronic control device.
  • the signal transmission line is preferably implemented in serial bus technology. Alternatively, however, there is also the possibility of implementation in parallel signal transmission, in which the electrical components are each contacted individually electrically.
  • At least one Verteilermoduldichtung at the edge of the support plate is provided with a light emitting diode which is contacted with the pressure sensor interface device and thereby is able to predetermined operating states of at least one Pressure sensor or other with the signal transmission line contacted components of the control unit to visualize.
  • the control unit 1 is equipped with a plurality of electrically actuated control valves 2, which are able by appropriate electrical actuation on a central supply connection 3 fed pressure medium, in particular compressed air to output to non-illustrated consumers, which are connected by means also not further illustrated fluid lines to the control valves 2 communicating working outputs 4 internal working channels 5.
  • the consumers are in particular operated by compressed air drives, such as pneumatic cylinders.
  • the control unit is also provided with at least one discharge outlet 6, which is realized, for example, by the intermediary of silencers and can flow through the pressure medium flowing back from the connected consumers to a pressure sink, in particular to the atmosphere.
  • the control valves 2 are components of a modular fluid distributor 7, which also has the at least one feed connection 3, the at least one discharge outlet 6 and the working outlets 4 and the working channels 5.
  • a fluid channel system designated as a distributor fluid channel system 8 for better distinction includes the working channels 5 and through which the working outputs 4 are fluidically networked with the at least one feed connection 3 and the at least one discharge outlet 6 with the interposition of the control valves 2.
  • a distributor feed channel 12 belonging to the distributor fluid channel system 8 traverses the fluid distributor 7 in its longitudinal direction, which is the axial direction of a longitudinal axis 14 of the control unit 1.
  • the distributor feed passage 12 connects the feed port 3 to each of the existing control valves 2, so that they are supplied in parallel with the fed pressure medium.
  • Two manifold relief passages 13 also associated with the manifold fluid channel system 8 also extend longitudinally through the fluid manifold 7 and connect all of the control valves 2 to one of the relief ports 6. In an unillustrated embodiment, only one such manifold relief channel 13 is present.
  • manifold feed passage 12 and the manifold relief passages 13 will be hereinafter also referred to as manifold passage fluid passage 15, respectively.
  • the fluid distributor 7 has a modular construction and is composed of a plurality of distribution modules 16 lined up in the axial direction of the longitudinal axis 14.
  • Each distributor module 16 has two joining surfaces, which are referred to below as the first joining surface 17a and as the second joining surface 17b and which are formed on the two mutually oppositely oriented, aligned in the axial direction of the longitudinal axis 14 end faces of the distributor module 16.
  • first and second joining surfaces 17a, 17b of the distributor modules 16 directly following one another in the axial direction of the longitudinal axis 14 lie directly opposite one another.
  • a Verteilermoduldichtung 18 is incorporated. With the aid of fastening screws 22, the successively arranged distribution modules 16 are clamped together in pairs, wherein the Verteilermoduldichtung 18 is clamped therebetween and biased against the two flanking first and second joining surfaces 17a, 17b.
  • the distributor modules 16 and the distributor module openings 18 clamped therebetween form a module which is firmly joined together in a preferably detachable manner.
  • each distribution module 16 has a modular structure and a plurality - preferably releasably - has attached module modules.
  • a first module module of each distributor module 16 is formed by a valve carrier module 23, at least one second module module by a control valve 2.
  • each control valve 2 belonging to a distributor module 16 is attached to an outer mounting surface 24 of the associated valve carrier module 23 and preferably fixed in a particularly detachable manner with the aid of fastening screws 25.
  • each valve carrier module 23 is equipped with two control valves 2 arranged side by side in the axial direction of the longitudinal axis 14. Depending on the width of the valve carrier module 23 measured in the axial direction of the longitudinal axis 14, a different number of control valves 2 can also be attached thereto.
  • a preferred equipment variant is that a distributor module 16 is composed of a valve carrier module 23 and only a single control valve 2 mounted thereon.
  • control valves 2 expediently have a longitudinal axis 26 and are aligned such that this longitudinal axis 26 is aligned at right angles to the longitudinal axis 14 of the control unit 1 is.
  • the control valves 2 are preferably arranged alongside each other.
  • Each control valve 2 contains in known and not further illustrated manner, an internal valve member, such as a valve spool, which is positionable by means of an electrically actuable drive means 27 of the control valve 2 in different switching positions.
  • the drive device 27 is, for example, an electromagnet or an electromagnetically actuable pilot valve.
  • Electric valve connection means 28 of the control valves 2, which are preferably arranged outside in the region of the drive device 27, allow the supply of electrical control signals for activating the drive device 27 in order to specify the desired switching position of the control valve 2.
  • the internal valve member of the control valve 2 is dependent on its switching position in the position formed in the control valve 2 valve channels 32, the in FIGS. 7 and 8th are indicated by dashed lines, to connect in a certain scheme alternately with each other and separate from each other.
  • the valve channels 32 lead to a arranged on an underside of the control valve 2 mounting surface 33, with the advance the control valve 2 is mounted on the mounting surface 24, the normal direction perpendicular to the longitudinal axis 14 extends.
  • a communication channel 34 designated channel in which extends in the axial direction of the longitudinal axis 14 a trained for transmitting electrical signals signal transmission line 35.
  • All control valves 2 are electrically conductively connected to this signal transmission line 35 by contacting their electrical valve connection means 28 with electrical counter-connection means 36 of the signal transmission line 35 adapted thereto.
  • the electrical counter-connection means 36 are located within the communication channel 34, wherein the valve connection means 28 of the control valves 2 to pass through the wall openings of the valve support module 23 opening out to the mounting surface 24 and are electrically contacted within the communication channel 34 with the associated counter-connection means 36.
  • the signal transmission line 35 which may be embodied as a serial bus or for the transmission of parallel bus signals, is led out of the fluid distributor 7 on an axial end side and connected in a manner not further illustrated with an electronic control and communication module 37 likewise belonging to the control device 1.
  • the control and communication module 37 has at least one electrical interface 38 for coupling an external electronic control device, which is not shown further.
  • it itself contains an internal electronic control device connected between the external electronic control device and the electrical operable control valves 2 mediated and thereby is due to a stored control program in a position to impose the control valves 2 a predetermined and / or dependent on certain events operating behavior.
  • the control signals required for this purpose receive the control valves 2 from the control and communication module 37 via the signal transmission line 35.
  • the control and communication module 37 is mounted as an example in extension of the fluid distributor 7 directly or indirectly to the fluid distributor 7.
  • the exemplary embodiment shows an indirect structure with the interposition of two further modules 42, which have electrical inputs for sensors and / or electrical outputs for external actuators to be controlled.
  • the distributor fluid channel system 8 is composed of distributor module fluid channels 43 that are at least partially fluidly communicating with one another and formed in the individual valve carrier modules 23.
  • Each distributor through-flow channel 15 consists of a number of the valve carrier modules 43 corresponding number of distributor module fluid channels 43 which pass through the relevant valve support module 23 between the two joining surfaces 17a, 17b and merge into each other at the joining regions 44 located between adjacent distributor modules 44.
  • the communication channel 34 is composed of juxtaposed communication channel sections 45 which pass through the individual valve support modules 23 and merge into one another at the joining regions 44.
  • the distributor module openings 18 ensure that the distributor module fluid channels 43 communicate with one another without leakage in the joining areas 44 and that no contaminants penetrate into the communication channel 34 in the joining areas 44.
  • Each Verteilermoduldichtung 18 is a plate-like, multi-perforated structure.
  • a supporting component of each distributor module seal 18 is a dimensionally stable support plate 46, which consists of a rigid material and is exemplified by a metal sheet.
  • the Verteilermoduldichtung 18 is incorporated with respect to the longitudinal axis 14 at right angles aligned plate plane of the support plate 46 between adjacent manifold modules 16 and valve support modules 23.
  • Their outline is adapted to those of the mutually facing joining surfaces 17a, 17b, wherein it is preferably slightly smaller than the outline of the joining surfaces 17a, 17b, so that the distributor module seal 18 in the region of its outer edge 47 is surmounted by the joining surfaces 17a, 17b.
  • the carrier plate 46 has a number of wall openings corresponding to the number of distributor through-flow fluid channels 15, which for the sake of better distinction are referred to as first wall openings 48 and which pass through the carrier plate 46.
  • These first wall openings 48 are provided with a passage cross section corresponding to the channel cross section of the distributor passageway fluid channels 15 and adapted to be aligned with the distributor module fluid channels 43 defining the manifold passageway fluid channels 15.
  • the support plate 46 may be made imperforate instead of a first wall opening 48, such that the associated manifold passage fluid channel 15 is divided by the valve support seal 18 into two lengths which may be fed separately with pressure medium.
  • the carrier plates 46 of the valve carrier modules 23 are provided with a further wall opening in the region of the communication channel sections 45, which is also referred to below as the second wall opening 52.
  • the signal transmission line 35 thus passes through all Verteilermoduldiegonne 18 through the second wall opening 52 therethrough.
  • the support plate 46 carries an elastic sealing structure 53.
  • Each of these two sealing structures 53 is formed in the manner of a sealing mask and is composed of a plurality of strip-shaped sealing portions which are integrally formed together and which frame the existing wall openings 48, 52.
  • the distributor fluid channel system 8 may well have more than the distribution module fluid channels 43 described so far, so that the Verteilermoduldiegonne 18 may accordingly have further wall openings, which are then also framed by the elastic sealing structures 53.
  • Each elastic sealing structure 53 lies opposite one of the two joining surfaces 17a, 17b. In the assembled state of the fluid distributor 7, the elastic sealing structures 53 are pressed with the joining surfaces 17a, 17b, so that a reliable sealing is achieved.
  • Each distributor module 16 is preferably provided in the region of one of its two joining surfaces 17a, 17b with a recess 54 contoured at least essentially corresponding to the outer contour of the distributor module seal 18.
  • the depressions 54 are located at the joining surfaces of the distributor modules 16 facing in the same axial direction, by way of example at the second joining surfaces 17b.
  • the associated Verteilermoduldichtung 18 is received in the recess 54 so that the two elastic sealing structures 53 are pressed with a defined bias when the manifold modules 16 with joining surface portions 17c of the facing first and second joining surfaces 17a, 17b directly abut each other, the recess 54th frame.
  • the distributor modules 16 can be clamped together in this way with a high fastening force without the risk of crushing the distributor module seal 18.
  • Verteilermoduldichtung 18 is shielded from the environment and no joints arise in which could deposit impurities.
  • a longitudinal section of at least one and preferably each working channel 5, which is formed individually in one of the distributor modules 16, realized by a pocket-like recess 55, which introduced from one of the joining surfaces 17a, 17b in the distributor module 16 is.
  • the distributor module seal 18 placed on the associated joining surface 17a, 17b is provided with a wall section hereinafter referred to as closure wall section 56, which completely covers the recess 54.
  • closure wall section 56 which completely covers the recess 54.
  • the depressions 54 of two working channels 5 leading to the same control valve 2 are open towards the same joining surface 17a or 17b, the two closure wall sections 56 covering them being formed by the carrier plate 46 of one and the same distributor module seal 18.
  • valve support module 23 When a valve support module 23 is equipped with two control valves 2, run in the valve support module 23, two pairs of working channels 5, wherein the recesses 55 of each pair of working channels 5 are each formed in one of the two joining surfaces 17a, 17b.
  • each closure wall portion 56 of each distributor module seal 18 contributes to the formation of two working channels 5 formed in two adjacent valve support modules 23.
  • the signal transmission line 35 expediently has a modular structure and is composed of a plurality of signal transmission modules 57 lined up in the axial direction of the longitudinal axis 14.
  • each distributor module 16 is associated with such a signal transmission module 57 which is fixed in the communication channel section 45 of the respective distributor module 16 in a preferably releasable manner.
  • Each signal transmission module 57 conveniently includes a printed circuit board 58 provided with electrical conductors attached to each other opposite end portions, which are associated with the opposite joining surfaces 17a, 17b, are provided with mutually complementary first and second signal transmission interface devices 62a, 62b.
  • the board 58 is preferably oriented so that its board plane is perpendicular to a vertical axis 63 of the associated distributor module 16, which is aligned at right angles to the longitudinal axis 14 and to the mounting surface 24.
  • Circuit traces 58, not further illustrated, of the printed circuit board 58 produce an electrically conductive connection between connection contacts of the two signal transmission interface devices 52a, 52b.
  • the above-mentioned electrical counter-connection means 56 are also located on the circuit board 58 and are contacted with printed conductors of the circuit board 58.
  • the signal transmission interface devices 62a, 62b are expediently designed as mutually complementary plug connection devices.
  • valve support modules 23 is configured to detect a pressure sensing of at least one fluid pressure prevailing in the manifold fluid channel system 8.
  • each Verteilermoduldichtung 18 is formed accordingly.
  • each pressure sensor 64 is suitably connected to a located on board the distributor module seal 18 electromechanical interface device, which is designated for better distinction as a pressure sensor interface device 66. Via this pressure sensor interface device 66, the respective pressure sensor 64 is contacted with the electrical signal transmission line 35, so that the electrical pressure measured values determined by a pressure sensor are sent to the control and / or communication module 37 via the same signal transmission line 35, via which the control valves 2 are also actuated be transferred.
  • An evaluation of the pressure measurement values takes place in the control and communication module 37 and / or in a connected external electronic control device, so that a continuous functional diagnosis of the fluid power control device 1 is possible.
  • the distributor module fluid channels 43 it can be determined, for example, whether the supplied pressure medium has the desired nominal pressure, whether the desired ventilation is ensured or if there are possibly impairments due to fouling of silencers, and / or ob the pressures prevailing in the working channels 5 correspond to the desired specifications.
  • a monitoring of the prevailing in the working channels 5 pressures allows, among other things, conclusions about the functioning of the associated control valves. 2
  • a Verteilermoduldichtung 18 is shown, which is designed to detect the pressure prevailing in two working channels 5 fluid pressure.
  • At least one pressure sensor 64 can also be arranged on the carrier plate 46 in such a way that it projects into a channel of a distributor module 16 to be monitored with regard to the pressure prevailing therein in the axial direction of the longitudinal axis 14.
  • the support plate 46 has in particular a bent out of its plane plate carrier tab 76 to which a pressure sensor 64 is mounted and which protrudes in the assembled state with the pressure sensor 64 fixed thereto in the relevant channel of an adjacent distribution module 16.
  • the carrier tab 76 is preferably bent out at right angles from the plane of the plate 46.
  • a corresponding embodiment is illustrated in the drawing and especially in the Figures 3 . 4 and 9 clearly visible.
  • the carrier tab 76 equipped with a pressure sensor 64 protrudes into the communication channel section 45 of an adjacent distributor module 16. In this way, the pressure prevailing therein can be monitored, in particular as to whether there may possibly be an overpressure due to leakage.
  • the carrier tab 76 and the pressure sensor 64 supported by it protrude into a manifold module fluid channel 43 to sense the pressure therein.
  • the printed conductors 67 are produced before the pressure sensors 64 and the elastic sealing structures 53 are applied.
  • the basis is a preferably metallic plate body, which is punched out correspondingly to form the required wall openings 48, 52 and is coated by powder coating with an activatable plastic material before the production of the conductor tracks. This coating is then partially activated by selective laser irradiation, so that in a subsequent copper bath, a metallization is deposited, which forms the interconnects. By means of further aftertreatments the copper material is still nickel plated and gilded. Subsequently, the pressure sensors are applied and electrically connected to the conductor tracks.
  • the elastic sealing structures 53 are applied, wherein a bonding agent is expediently applied beforehand to the already applied plastic layer in order to improve the durability.
  • the elastic sealing structure 53 can in principle be placed and glued on as a prefabricated sealing mask. However, it is preferably realized by applied in the liquid state elastomeric material. The application is preferably carried out by injection molding in conjunction with a vulcanization process.
  • the non-perforated areas of the support plate 46 are made as narrow as possible.
  • the traces 67 extend in part on one and partly on the other plate surface.
  • Existing wall openings 48, 52 can be used to advantage to lead printed conductors 67 from that plate surface, which is equipped with the pressure sensors 64, on the opposite plate surface.
  • transition points 68, 69 are located on the wall opening 48, 52 delimiting plate edge of the support plate 46th
  • the signal transmission line 35 has an electromechanical connection interface device 72 compatible with each pressure sensor interface device 66.
  • the pressure sensor interface device 66 and the port interface device 72 are designed as mutually complementary plug-in devices.
  • the pressure sensor interface device 66 is a male-type male connector and the interface interface device 72 is a female-type male connector.
  • the pressure sensor interface device 66 is preferably realized in the form of a one-piece with the support plate 46 tab 73 which is bent out of the plane of the support plate 46 at right angles. This applies to the embodiment.
  • the required electrical connection contacts 74 are formed by sections of the plug-in tab 73 terminating tracks 67, so no separate connector means must be attached. In principle, it would nevertheless be possible to realize the pressure sensor interface device 66 in the form of a conventional plug-in device.
  • connection interface device 72 is implemented for at least one distributor module seal 18 as part of a signal transmission module 57.
  • the connection interface device 72 is preferably arranged independently of the signal transmission interface devices 62a, 62b present for the electromechanical linking of the signal transmission modules 57. It is advantageous if the contacting direction of the connection interface device 72 coincides with that of one of the two signal transmission interface devices 62a, 62b.
  • the port interface 72 is attached to the board 58 adjacent to one of the two signal transmission interface devices 62b. It is advantageous if the terminal interface device 72 is at a different height level in the axis direction of the vertical axis 63 than the adjacent signal transmission interface device 62b.
  • the distributor module seal 18 and the signal transmission module 57 equipped with the connection interface device 72 to be contacted are matched to one another in such a way that the signal transmission module 57 projects through the second wall opening 52 with the signal transmission interface device 62b oriented in the same way as the connection interface device 72.
  • the Verteilermoduldichtung 18 is attached to the joining surface 17b of the respective distribution module 16.
  • the pressure sensor interface device 66 dips into the second wall opening 52 and engages with the connection interface device 72.
  • the plug connection formed between the pressure sensor interface device 66 and the connection interface device 72 also facilitates the assembly of the fluid distributor 7 because the distributor module seal 18 can be fixed to a distributor module 16 before the distributor modules 16 are attached to one another to form the fluid distributor 7 become.
  • the fluidic control unit 1 can also be designed with a pure electronic control module having no external communication possibilities or with a pure communication module having no own electronic control means and designed for communication with an external electronic control device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Housings (AREA)
  • Control Of Fluid Pressure (AREA)
  • Fluid-Pressure Circuits (AREA)

Claims (16)

  1. Appareil de commande fluidique, avec un distributeur de fluide modulaire (7), qui présente plusieurs modules de distributeur (16) juxtaposés dans la direction axiale d'un axe longitudinal (14), qui sont mis en place l'un contre l'autre par paire avec interposition de respectivement un joint de module de distributeur (18) avec des surfaces de jonction tournées l'une vers l'autre (17a, 17b) et dotés au moins en partie d'au moins une soupape de commande (2) à commande électrique, dans lequel le distributeur de fluide (7) est traversé par un système de canaux de fluide de distributeur (8) communiquant avec les soupapes de commande (2), qui se compose de canaux de fluide de module de distributeur (43) réalisés dans les modules de distributeur (16) et dans lequel le distributeur de fluide (7) est traversé dans sa direction longitudinale par une chaîne de transmission de signaux (35) reliée électriquement aux soupapes de commande (2), réalisée pour la transmission de signaux électriques, caractérisé en ce qu'au moins un ou chaque joint de module de distributeur (18) présente une plaque de support indéformable (46), qui est traversée par une ou plusieurs ouvertures (48) pour la liaison fluidique de canaux de fluide de module de distributeur (43) des modules de distributeur (16) qu'ils flanquent et qui porte au niveau d'au moins une de ses deux surfaces de plaque tournées vers les modules de distributeur adjacents (16), une structure d'étanchéité (53) élastique appliquée de manière étanche sur la surface de jonction (17a, 17b) du module de distributeur opposé (16), dans lequel la plaque de support (46) est équipée en plus d'au moins un capteur de pression (64) réalisé pour la détection de la pression de fluide régnant dans un canal de fluide de module de distributeur (43), qui est en contact électrique avec la chaîne de transmission de signaux (35).
  2. Appareil de commande fluidique selon la revendication 1, caractérisé en ce que le capteur de pression (64) est en contact électrique, en particulier de manière amovible, avec la chaîne de transmission de signaux (35) par le biais d'un dispositif d'interface de capteur de pression (66) agencé au niveau de la plaque de support (46).
  3. Appareil de commande fluidique selon la revendication 2, caractérisé en ce que chaque capteur de pression (64) est relié à un dispositif d'interface de capteur de pression (66) agencé au niveau de la plaque de support (46) à distance du capteur de pression (64) concerné par le biais de pistes conductrices (67) s'étendant sur la plaque de support (46), dans lequel les pistes conductrices (67) sont appliquées de manière appropriée en technologie MID et/ou dans lequel les pistes conductrices (67) sont agencées en particulier sur les deux surfaces de plaque opposées l'une à l'autre de la plaque de support (46).
  4. Appareil de commande fluidique selon la revendication 2 ou 3, caractérisé en ce que le dispositif d'interface de capteur de pression (66) est réalisé en tant que dispositif enfichable, dans lequel le dispositif d'interface de capteur de pression (66) est formé de manière appropriée d'une patte enfichable (73) d'un seul tenant avec la plaque de support (46), pliée en dehors du niveau de plaque de la plaque de support (46) et dotée de pistes conductrices (67).
  5. Appareil de commande fluidique selon l'une quelconque des revendications 2 à 4, caractérisé en ce que la chaîne de transmission de signaux (35) dispose d'un dispositif d'interface de raccord (72) compatible avec le dispositif d'interface de capteur de pression (66) pour le contact avec un capteur de pression (64).
  6. Appareil de commande fluidique selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la chaîne de transmission de signaux (35) est construite de manière modulaire et se compose de modules de transmission de signaux (57) des différents modules de distributeur (16) reliés l'un à l'autre de manière amovible dans la zone de jonction de modules de distributeur (16) respectivement adjacents.
  7. Appareil de commande fluidique selon la revendication 6, caractérisé en ce que les modules de transmission de signaux (57) sont dotés au niveau de leurs zones d'extrémité opposées l'une à l'autre de dispositifs d'interface de transmission de signaux (62a, 62b) complémentaires l'un à l'autre, par le biais desquels ils sont couplés l'un à l'autre de manière électromécanique pour la formation de la chaîne de transmission de signaux (35).
  8. Appareil de commande fluidique selon la revendication 7 en liaison avec la revendication 5, caractérisé en ce que le dispositif d'interface de raccord (72) est réalisé séparément par rapport aux dispositifs d'interface de transmission de signaux (62a, 62b) et/ou est agencé de manière adjacente à un dispositif d'interface de transmission de signaux (62b) au niveau d'un module de transmission de signaux (57).
  9. Appareil de commande fluidique selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la chaîne de transmission de signaux (35) s'étend à travers une ouverture (52) de la plaque de support (46).
  10. Appareil de commande fluidique selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'au moins un capteur de pression (64) est agencé au niveau d'une surface de plaque de la plaque de support (46) tournée vers un module de distributeur (16) adjacent et/ou qu'au moins un capteur de pression (64) est agencé au niveau d'une patte de support (76) de la plaque de support (46) pénétrant dans un module de distributeur (16) adjacent.
  11. Appareil de commande fluidique selon l'une quelconque des revendications 1 à 10, caractérisé en ce que la plaque de support (46) présente au moins une section de paroi (56), qui sépare l'un de l'autre des canaux de fluide de module de distributeur (43) en alignement l'un avec l'autre des deux modules de distributeur (16) adjacents et au niveau de laquelle est agencé sur au moins un côté un capteur de pression (64) servant à la détection de la pression de fluide régnant dans un des canaux de fluide de module de distributeur (43) séparés l'un de l'autre, dans lequel le canal de fluide de module de distributeur (43) concerné est en particulier un canal de travail (5) pouvant être relié à un consommateur à actionner, pouvant être commandé par les soupapes de commande (2).
  12. Appareil de commande fluidique selon l'une quelconque des revendications 1 à 11, caractérisé en ce que la plaque de support (46) du joint de module de distributeur (18) porte au niveau des deux surfaces de plaque opposées l'une à l'autre une structure d'étanchéité (53) élastique, s'appliquant de manière étanche sur la surface de jonction (17a, 17b) du module de distributeur (16) opposé.
  13. Appareil de commande fluidique selon l'une quelconque des revendications 1 à 12, caractérisé en ce qu'au moins une des deux surfaces de jonction (17a, 17b) de chaque module de distributeur (16) présente un évidement (54) recevant au moins partiellement le joint de module de distributeur (18) associé, de telle sorte que le joint de module de distributeur (18) est encadré par des sections de surface de jonction (17c) appliquées l'une sur l'autre des deux modules de distributeur (16) flanquant le joint de module de distributeur (18) et ainsi blindé de manière appropriée de manière invisible depuis l'extérieur.
  14. Appareil de commande fluidique selon l'une quelconque des revendications 1 à 13, caractérisé en ce que le système de canaux de fluide de distributeur (8) contient un ou plusieurs canaux de fluide de traversée de distributeur (15) traversant le distributeur de fluide (7) dans sa direction longitudinale, qui se composent respectivement de canaux de fluide de module de distributeur (43) communiquant l'un avec l'autre des modules de distributeur (16) juxtaposés et qui communiquent fluidiquement avec les soupapes de commande (2) présentes.
  15. Appareil de commande fluidique selon l'une quelconque des revendications 1 à 14, caractérisé en ce que les modules de distributeur (16) présentent respectivement un module de support de soupape (23) traversé par le système de canaux de fluide de distributeur (8) et au moins une soupape de commande (2) logée sur le module de support de soupape (23) et communiquant avec le système de canaux de fluide de distributeur (8), dans lequel les surfaces de jonction (17a, 17b) sont réalisées au niveau des modules de support de soupape (23) et les joints de module de distributeur (18) sont agencés entre des modules de support de soupape (23) respectivement adjacents.
  16. Appareil de commande fluidique selon l'une quelconque des revendications 1 à 15, caractérisé en ce qu'il présente un module de commande et/ou de communication électronique (37), qui est relié du point de vue de la technique des signaux à la chaîne de transmission de signaux (35), dans lequel des signaux de commande électriques pouvant être émis par le module de commande et/ou de communication (37) peuvent être transmis aux soupapes de commande (2) par le biais de la chaîne de transmission de signaux (35) et dans lequel des valeurs de mesure électriques pouvant être émises par les capteurs de pression (64) peuvent être transmises au module de commande et/ou de communication (37) par le biais de la chaîne de transmission de signaux (35).
EP16161545.5A 2016-03-22 2016-03-22 Appareil de commande fluidique Active EP3222855B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16161545.5A EP3222855B1 (fr) 2016-03-22 2016-03-22 Appareil de commande fluidique
CN201710169321.8A CN107218264B (zh) 2016-03-22 2017-03-21 流体技术控制器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16161545.5A EP3222855B1 (fr) 2016-03-22 2016-03-22 Appareil de commande fluidique

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DE102021211938B3 (de) 2021-10-22 2022-11-10 Festo Se & Co. Kg Ventilanordnung
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Publication number Publication date
CN107218264A (zh) 2017-09-29
EP3222855A1 (fr) 2017-09-27
CN107218264B (zh) 2021-05-28

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