EP3289229A1 - Ventilanordnung - Google Patents
VentilanordnungInfo
- Publication number
- EP3289229A1 EP3289229A1 EP15727661.9A EP15727661A EP3289229A1 EP 3289229 A1 EP3289229 A1 EP 3289229A1 EP 15727661 A EP15727661 A EP 15727661A EP 3289229 A1 EP3289229 A1 EP 3289229A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connection
- valve
- fluid
- channel
- plate
- 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
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0405—Valve members; Fluid interconnections therefor for seat valves, i.e. poppet valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
- F15B13/0431—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the electrical control resulting in an on-off function
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0878—Assembly of modular units
- F15B13/0885—Assembly of modular units using valves combined with other components
- F15B13/0889—Valves combined with electrical components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
-
- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
- F15B13/0433—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being pressure control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0846—Electrical details
- F15B13/0857—Electrical connecting means, e.g. plugs, sockets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0875—Channels for electrical components, e.g. for cables or sensors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
- F15B2013/006—Modular components with multiple uses, e.g. kits for either normally-open or normally-closed valves, interchangeable or reprogrammable 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/857—Monitoring of fluid pressure 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/86—Control during or prevention of abnormal conditions
- F15B2211/862—Control during or prevention of abnormal conditions the abnormal condition being electric or electronic failure
- F15B2211/8623—Electric supply failure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/87—Detection of failures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/875—Control measures for coping with failures
- F15B2211/8752—Emergency operation mode, e.g. fail-safe operation mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/885—Control specific to the type of fluid, e.g. specific to magnetorheological fluid
- F15B2211/8855—Compressible fluids, e.g. specific to pneumatics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/877—With flow control means for branched passages
- Y10T137/87885—Sectional block structure
Definitions
- the invention relates to a valve arrangement for the fluidic supply of a fluid consumer, with a plurality of main valves which are fluidically communicating with respective associated fluid ports and which are adapted to influence fluid flows at the fluid ports, wherein the fluid ports are at least partially disposed on a pad of a body, and with electrically controllable pilot valves, which are designed for a fluidic control of the main valves.
- valve unit having a signal input for an electrical control signal and a connectable to a compressed gas supply supply input and connected to the pneumatic working member working output and a vent outlet for the working medium.
- the valves each have a valve housing with a receiving cavity and a function-specific valve insert which can be inserted in a sealing manner with a flow-through switching unit.
- the valve seat and the cooperating with this valve body are provided on the switching unit.
- flow channels open in such a way in the associated receiving hollow space, that at identical Shem valve housing by replacing the valve insert different functional characteristics of the valve in question can be realized.
- the object of the invention is to provide a valve device in which an adaptation to different applications is easily possible.
- the base body is associated with a connection plate arranged opposite to the connection plate, which is penetrated by a fluid channel, which opens into a working port for connecting a fluid consumer, wherein between the connection surface and the connection plate a separately formed channel body is arranged, the at least one Connection channel for a fluidically communicating connection between at least one of the fluid connections and the working port and at least one connecting channel for a fluidic coupling of at least two fluid connections.
- connection plate preferably serves as a customer-side interface for connecting the fluid consumer to the working connection and optionally for connecting further fluidic components such as, for example, a fluid source and / or an exhaust air muffler.
- the connection plate may optionally be formed integrally with the base body or be provided as a separate component for mounting on the base body, in particular by means of screw connections.
- the decisive factor is that between the connection surface of the base body and a surface of the connection plate facing the connection surface of the base body, a volume of space is provided, in which the separately formed channel body can be inserted.
- the task of the duct body is to provide a predeterminable fluidic connection between the fluid connections, which are formed on the connection surface of the main body.
- the fluidic interconnections in the channel body comprise, on the one hand, the connection channel, which is designed for a direct or indirect fluidic connection between the respective fluid connection on the base body and the fluid channel formed in the connection plate and fluidically connected to the working connection, and the connection channel, which is for a fluidic connection is provided by at least two fluid connections and thereby enables a fluidic coupling of at least two main valves.
- a connecting channel exclusively connects two or more fluid connections with each other.
- a connection channel is fluidly connected in addition to the connection of two fluid connections with the connection channel and / or with a supply connection or an exhaust air connection.
- At least one main valve and / or at least one pilot valve have a predetermined valve position.
- the predetermined valve position is preferably a complete open position or a full closed position for each valve.
- This predetermined valve position is ensured in particular by biasing means such as a compression spring, wherein the compression spring acts in particular on a valve member of the respective valve.
- biasing means such as a compression spring, wherein the compression spring acts in particular on a valve member of the respective valve.
- a movement of the valve member from the predetermined valve position requires overcoming the biasing force of the biasing means.
- the respective valve may for example be assigned an electromechanical drive, in particular a magnetic drive, or a fluidic drive in the manner of a pneumatic cylinder.
- a provision of electrical or fluidic energy is required to bring the respective valve from the predetermined valve position to a second valve position or functional position, wherein in this case an energy storage takes place in the biasing means.
- the valve or the valve body of the valve returns due to the energy stored in the biasing means in the predetermined valve position.
- the pilot valves are designed as electromechanical driven valves, while the main valves are designed as fluidically actuated valves.
- a further fluid channel is formed in the connection plate, which opens into a supply connection or into an exhaust connection and that in the channel body another connection channel and / or a further connection channel for a fluidically communicating connection between at least one the fluid connections and the supply connection or the exhaust connection and / or for a fluidic coupling of at least two further fluid connections is formed.
- the channel body is formed separately from the base body, it can be replaced, preferably without tools, so that an adaptation of the valve arrangement to different applications is simplified. Since the functioning of the valve arrangement is decisively, in particular exclusively, determined by the fluidic connection of the fluid connections, the valve arrangement is suitable in particular for a safety-oriented supply to a fluid consumer, which may in particular be a pneumatic cylinder or a pneumatic pivot drive.
- connection channels are formed in the channel body, which are designed for a predeterminable fluidic connection of the main valves to the working connection and the supply connection and the exhaust connection.
- the, preferably four, main valves are similar, in particular identical, are formed.
- the main valves each have a similar structure and in particular fluidically controlled by diaphragm chambers Have valve body.
- the diaphragm chambers of a main valve are each pressure-balanced, so that a pressure level of the fluid to be controlled by the main valve is insignificant for the function of the main valve at least within a certain, predeterminable pressure interval.
- the main valves are normally closed (NC) or normally open (NO) valves. It is particularly preferred that all main valves of the valve assembly are made identical.
- mutually corresponding information interfaces are arranged on the base body and on the channel body, which are designed for a data exchange between an electronic storage device in the channel body and an electronic processing device in the base body.
- an electrical or electronic transmission of information between the memory device in the channel body and the electronic processing device in the base body is possible.
- information about the fluidic interconnection in the channel body can be stored in the memory device.
- the memory device is designed for temporary storage of sensor values that are provided by a sensor device arranged in the channel body.
- the memory device is designed for a storage of parameters that are provided by the processing device and are used for the parameterization of the sensor means arranged in the channel body. Accordingly, either a unidirectional or bidirectional data exchange between see the memory device and the processing device provided.
- the information interface for a direct electrical coupling between channel body and body can be formed, alternatively, the information interface for a wireless data transmission between channel body and body, in particular by optical or inductive means, is formed.
- the base body comprises the connection plate and if a receiving shaft for the channel body is formed between the connection surface and the connection plate, wherein the channel body in at least one functional position for the fluidically communicating interconnection of the main valves with the working connection and the supply connection and the Exhaust port can be attached in the receiving shaft.
- the base body is preferably provided to insert the channel body parallel to the pad of the body in the receiving shaft and set in a predetermined functional position between the pad and the connection plate.
- the channel body and the receiving shaft are adapted to each other so that a precisely predetermined functional position of the channel body relative to the main body must be maintained for a function of the valve assembly to prevent malfunction of the valve assembly with incorrectly mounted channel body.
- connection plate is designed for attachment to the connection surface and comprises a receiving shaft for the channel body, wherein the channel body in foundeds- at least one functional position for the fluidically communicating interconnection of the main valves with the working port and the supply port and the exhaust port in the receiving shaft can be attached.
- the channel body is accommodated at least almost completely in a recess in the connection plate and is fixed together with the connection plate on the base body. In this way, a particularly simple design of the channel body and the connection surface, in particular with regard to the fluidic seal between the channel body and the connection surface and the connection plate can be realized.
- connection plate preferably has an exhaust air opening which communicates with the recess for receiving the duct body and which is closed when the duct body is inserted and which, in the absence of the duct body, ensures that no supply of pressurized fluid to the work connection takes place to thereby malfunction the valve arrangement avoid.
- connection channel and / or the connecting channel at least one pneumatic component from the group: pressure control valve, throttle valve, switching valve, is assigned.
- a pneumatic component the control behavior of the valve arrangement can be influenced actively or passively.
- An active influencing of the control behavior can be realized in particular with the aid of at least one electrically or fluidically, preferably pneumatically, controlled switching valve, which is assigned to the connection channel or the connection channel and has a free fluidic cross section of the respective channel, in particular between an open position and a
- a passive influence on the control behavior of the valve arrangement can be For example, be made with an electrically or manually adjustable pressure control valve or throttle valve by fluid flows between the fluid ports are regulated to a predeterminable pressure level or throttled to a predetermined volume flow.
- At least one sensor means from the group: pressure sensor, flow sensor, temperature sensor is associated with the connection channel and / or the connection channel.
- a sensor means which outputs an electrical sensor signal dependent on a measured physical quantity in analog or digital form, statements are possible as to how the valve arrangement and / or the fluid consumer connected to the valve arrangement are currently behaving or in the near future behave in order to effect any changes for the provision of pressurized fluid to the fluid consumer, in particular by suitable control of one or more of the main valves.
- the working port on the connection plate is associated with a valve plate which comprises at least one control valve which is designed to influence a fluid flow between a fluid source and a fluid consumer, wherein a fluidic control port of the control valve in fluidic communicating Connection with the working port is and wherein the valve plate at least one sensor means from the group: pressure sensor, flow sensor, temperature sensor, position sensor, assigned, wherein the sensor means is electrically connected to the connection plate or is received in the connection plate.
- At least one control valve is arranged, which is designed for example for the correspondingly high flow and which is operated by means of the valve arrangement, in particular via the working port, fluidly pilot operated.
- the position of this control valve of the valve plate is associated with at least one sensor means by means of which a functional position of the control valve can be determined directly or indirectly, in order to draw conclusions about the function of the driven fluid consumer and / or the function of the control valve.
- the sensor means is included in a control loop, which is designed for the control of the valve arrangement.
- the sensor means may be arranged in the valve plate, in this case, a sensor signal of the sensor means is provided via a suitable sensor interface to the connection plate and can be forwarded from there, for example, to a processing device in the main body.
- the sensor means is arranged in the connection plate and in the valve plate only a sensor channel for fluidic coupling of the working channel is formed with the sensor means.
- a valve plate which comprises at least one control valve, which is designed to influence a fluid flow between the working port and a fluid consumer, wherein an electrical control terminal of the control erventils is connected to a control interface and wherein the control valve has a, preferably normally closed, preferred position.
- the object of this control valve is to ensure a reliable shutdown of the fluid supply to the fluid consumer, which is particularly in terms of safety-related applications for the valve assembly of interest.
- the control valve is an electrically actuated valve, in particular a solenoid valve, which is located without provision of electrical energy in a preferred position, in particular in a closed position.
- control valve The electrical supply of this control valve is preferably carried out directly by a safety-related control, which is optionally also designed for controlling the valve arrangement and / or for determining a functional position of the driven fluid consumer.
- control valve is located as a vent valve without providing electrical energy in an open position and thus ensures venting of the fluid consumer in case of failure of the control for the valve assembly and / or the control valve. This ensures a high level of safety for the valve assembly due to the dual-channel redundant venting of the fluid consumer.
- FIG. 1 is a schematic plan view of a control unit comprising a valve arrangement with two pilot valves, four main valves, a channel body and a connection plate, which are in a control 1, a first embodiment of a valve plate, a second embodiment of a valve plate, a schematic diagram of a first embodiment of a valve assembly, a schematic diagram representation of a two-th embodiment of a housing Valve assembly, and a schematic diagram representation of the first embodiment of the valve plate.
- a control unit 1 shown in Figures 1 and 2 is provided for a fluid supply to a fluid consumer, not shown, which may be, for example, a pneumatic cylinder or a pneumatic rotary actuator.
- the control unit 1 can be designed for an autonomous mode of operation without external control signals and / or for a connection to a control unit, not shown, and designed for the provision of control signals, higher-level control, which may in particular be a programmable logic controller (PLC).
- PLC programmable logic controller
- the control unit 1 comprises an electronic control unit 2, which can be configured exemplaically in the form of a printed circuit board or printed circuit with electronic and electrical components such as a microprocessor equipped thereon.
- the control electronics 2 is for processing formed by control commands, which are provided either by a running on the control electronics 2 control program or by a higher-level control and which are converted by a valve assembly 3 in fluid flows at a working - connection 4.
- FIGS. 1 to 3 A detailed representation of the fluidic interconnection of these fluidic components can be found in the exemplary embodiments of FIGS. 4 and 5.
- the control electronics 2 is in electrical communication with two pilot valves 5, 6, which may be exemplified by solenoid valves, preferably by 2/2-way valves, in particular as shown by 3/2 -way valves, act.
- the pilot valves 5, 6 are acted upon by the control electronics 2 with electrical energy to provide fluid flows to main valves 7 to 10.
- the control electronics 2 and the pilot valves 5, 6 for a control via an analog current interface preferably with a maximum current of 20 mA, in particular a fraction thereof, formed and thus meet the frequently encountered in process technology requirements for "Low
- the main valves 7 to 10 are fluidically controllable valves, for example fluidically pilot-operated 3/2 directional control valves It is preferably provided that the main valves 7 to 10 are designed as diaphragm-controlled, pressure-balanced valves, whereby a advantageous switching behavior can be effected for the main valves 7 to 10. Between the pilot valves 5, 6 and the main valves 7 to 10, an adapter plate 11 is arranged.
- the adapter plate 11 may also be designed for a sealing effect between the pilot valves 5, 6 and the main valves 7 to 10.
- both the pilot valves 5, 6 and the main control valves 7 to 10 are each cuboid-shaped and sealingly abut each other and thus in this embodiment of the valve assembly also form the base body 14.
- the main valves 7 to 10 each have a plurality of valve ports 15, which are designed to provide more detailed below fluid flows through the respective main valves 7 to 10 and thus form the fluid ports of the body 14.
- a channel body 16 Opposite to the surface 12 of the main valves 7 to 10, a channel body 16 is arranged, which is preferably cuboidal and is provided for a sealing engagement with the surface 12.
- the channel body 16 has in each case at least one connection channel and connection channel, which are not visible in FIGS. 1 and 2, but are illustrated in more detail in FIGS. 4 and 5.
- the channel body 16 is provided both on a surface facing the main valves 7 to 10 and on a side facing away from the main valves 7 to 10 surface 17 with mouth openings 18 which because they are bounded by an annular seal 19, wherein the connection channel opens into at least one of the mouth openings 18.
- the channel body 16 is exemplarily provided for receiving in a connection plate 20, which in turn is basically cuboid and has a recess not visible in Figure 2, which is adapted to the geometry of the channel body 16 that the channel body 16 at least almost completely can be accommodated flush in the connection plate 20.
- a supply connection 21, an exhaust connection 22 and a reserve connection 23 are also provided on the connection plate 20, wherein the reserve connection 23 can also be designed as a second working connection as a function of the fluidic connection in the duct body 16 .
- the supply connection 21 is provided for a fluidic coupling with a fluid source, not shown, and thus for the fluidic supply of the control unit 1.
- the exhaust port 22 may in particular be connected to a muffler, not shown, in order to dissipate exhaust air from the control unit 1 as quietly as possible.
- connection plate 20 is provided for a planar contact with a housing 24 of the control unit 1 and can be fixed to the housing 24 with fixing means, not shown, in particular with screws.
- fixing means not shown, in particular with screws.
- the connection plate 20 on the housing 24 the seals 19 on the channel body 16 and further, not shown sealing means between the pilot valves 5, 6 and the main valves 7 to 10
- the adapter plate 11 and the channel body 16 are compressed and thus ensure a fluidic seal with each other , so that when applying a supply pressure at Supply connection 21 no significant fluid losses in the control unit 1 occur.
- the connection plate 20 is penetrated by fluid channels 44, which respectively ensure fluidic connections between the working connections 4 formed on both sides on the connection plate 20, supply connections 21, exhaust connections 22 and reserve connections 23.
- valve plates 25, 45 shown in FIGS. 3 and 4 can optionally be coupled to the connection plate 20 and are provided with similar fluid connections as the connection plate 20, that is to say with a working connection 4, a supply connection 21, an exhaust connection 22 and a reserve connection 23 Mistake.
- a fluidic connection described in greater detail below is shown in FIG.
- the valve plates 25, 45 are used to expand the functional scope of the control unit 1, the valve plate 25 being designed to achieve a predefinable safety level and, in particular, for implementing predetermined safety functions such as fail-safe or fail-free for the control unit 1 equipped therewith the valve plate 45 is designed for a high fluid flow rate.
- valve plates can also be attached to the connection plate 20, it is exemplarily provided that the respective valve plate is screwed sealingly to the connection plate 20.
- Interfaces on outer surfaces are symbolized by squares. Work connections are symbolized with horizontal rectangles. Electrical interfaces are symbolized by standing rectangles.
- the pilot valves 5, 6 are designed as electrically actuated solenoid valves which are each connected via an electrical interface 28, 29 to the control electronics, not shown in FIG. Accordingly, by providing a suitable control signal at the interface 28 or 29, a switching function of the respective controlled pilot valve 5, 6 can be effected.
- the pilot valves 5, 6 are designed in each case as 3/2 way valves, wherein both pilot valves 5, 6 are each mechanically prestressed into a preferred position by means of a spring means 30 designed in particular as a helical spring.
- a fluidic connection between control terminals 32 of the example fluidly controllable main valves 7 to 10 and a vent port 31 of the respective pilot valve 5, 6 is provided, so that also biased by spring means 33 in each case in a preferred position main valves 7 to 10 remain in this preferred position.
- the main valve 7 can be controlled by providing a fluid flow from the pilot valve 5, while the main valve 8 can be controlled by providing a fluid flow from the pilot valve 6.
- the main valves 7 to 10 each have fluid ports 34, which are in sealing, fluidically communicating connection with fluid ports 35 in the channel body 16.
- the task of the duct body 16 is to provide fluid flows provided to the main valves 7 to 10 and released from the main valves 7 to 10 in a suitable manner to the work connection 4 and the exhaust air connection 22 and optionally to the reserve connection 23.
- the fluidic function of the control unit 1 is determined by the assignment of the provided in the channel body 16 connection channel 36 and provided in the channel body 16 connecting channels 37.
- the channel body 16 can be exchanged, so that different fluidic functions can be specified for the control unit 1, as will be described in more detail below in connection with FIGS. 5 and 6.
- the channel body 16 is designed in such a way and the preferred position of the main valve 7 is selected so that a supply pressure applied to the supply connection 21 is provided by means of the main valve 7 via the connection channel 37 at the working connection 4 without a fluidic control of the main valve 7. Furthermore, the preferred position of the main valve 8 is selected so that a fluidic connection between the working port 4 and the exhaust port 22 is interrupted without a fluidic AnSteutation the main valve 8. Thus, without a fluidic control of the main valves 7, 8, a fluid flow from the supply port 21 via the main valve 7 and the connection channel 36 to the working port 4 allows.
- the main valve 7 by providing a fluid flow from the pilot valve 5 from the preferred position in a not shown switching position is ensured by the fluidic connection of the connection channel 36 and the connection channels 37 in the channel body 16 that a fluidic connection between the supply port 21 and the working port 4 is interrupted.
- a subsequent step can be provided to bring the main valve 8 by providing a fluid flow from the pilot valve 6 from the preferred position to a switching position, not shown, in which a fluidically communicating connection between the working port 4 and the exhaust port 22 is made, so that the Fluid consumers supplied fluid can flow through the exhaust port 22.
- a branch 39 in the channel body 16 is provided by a supply channel 40, which connects the supply connection 21 to the associated fluid connection 34 of the main valve 7.
- the branch 39 is fluidically connected to a pressure regulating valve 41, which is designed to reduce the fluid pressure applied to the supply connection 21 and accordingly provides a reduced supply pressure at an associated fluid connection 34, 35.
- the supply pressure which is reduced by the pressure regulating valve 41, is supplied via a fluid line 42 to the two pilot valves 5, 6 and can be distinguished from the two pre-control valves 5, 6. Control valves 5, 6 are forwarded as a control pressure to the respective main valves 7 to 10.
- the channel body 16 shown in FIG. 5 is provided for a fail-safe function in which, in the event of a failure of the electrical supply for the control electronics 2 and / or the pneumatic supply, a defined state for the fluidically coupled to the control unit 1 does not exist occurs fluid consumer occurs.
- the two pilot valves 5, 6 take the preferred position shown in Figure 5, whereby an optionally existing Steuerfluidbeetzschlagung the associated main valves 7 to 10 is omitted and the main valves 7 to 10 also occupy their preferred position.
- the fluidic control of the fluid consumer, not shown, which is supplied with the supply pressure provided at the supply port 21 via the main valve 7 is shown in FIG.
- the pilot valves 5, 6 and main valves 7 to 10 are fluidically interconnected in the same way as in the representation according to FIG. 5, accordingly the same are associated with the respectively assigned fluid connections 34 fluidic conditions as in the figure 5 before.
- a processing device 67 is additionally provided in the base body 14 in FIG. 6, which is electrically connected to pressure sensors 69, 70, 71 via connecting means 68, which are only shown schematically.
- connection means 68 may be, for example, electrical leads (not shown in more detail), which are the base body 14 and, after passing through a non-illustrated put electrical interface, in particular a plug-in connection, also enforce the channel body 66 and with the respective pressure sensor and 69, 70, 71 are connected.
- the pressure sensors 69, 70, 71 each comprise a memory device (not shown) for storing measured values and / or parameters.
- the channel body may be provided with a storage device, not shown, which is formed, for example, for storage of Identifika tion data of the channel plate 66.
- this memory device can be embodied as an RFID module (radio frequency identification device) for wireless information transmission to a correspondingly configured processing device in the main body 14.
- a data interface 72 is provided on the base body 14, which allows a data exchange between the processing device 67 and the control electronics 2.
- the pressure sensor 69 is assigned to the supply connection 21
- the pressure sensor 70 is assigned to the working connection 4 by way of example
- the pressure sensor 71 is assigned to the reserve connection 23 exemp larly.
- control unit 1 to achieve a given level of security within a predetermined safety standard can be additionally equipped with the valve plate 25 in the flat on can be attached to the surface 43 of the connection plate 20 and the on one of the connection plate 20 facing surface in the representation of Figure 3 has not visible fluid connections, which correspond to the fluid ports 4, 21, 22, 23 of the connection plate 20.
- the working connection 4, the supply connection 21, the exhaust air connection 22 and the reserve connection 23 are likewise provided on a surface 26 of the valve plate 25 facing away from the connection plate 20. Further, on a side surface of the valve plate 25, a control port 27 is formed.
- An electrical activation of a switching valve (not illustrated) provided in the valve plate 25 is provided via the control connection 27, with the aid of which a release or blocking of a fluidically communicating connection between the working connection 4 on the connection plate 20 and the working connection 4 on the valve plate 25 is carried out can be. It can be provided that a wide-spread at the control terminal 27 control signal is provided by a safety-related control, not shown.
- an exemplary 3/3 way valve switching valve 46 is provided, which fluidly between the fluid ports formed on opposite surfaces 47, 48 of the valve plate 45, in particular the working port 4 , the supply port 21 and the exhaust port 22 is looped.
- the switching valve 46 is designed for large fluid volume flows and can be controlled by means of the control unit 1.
- a first connection 49 of the switching valve 46 is fluidically connected to a fluid line 50 extending between the working connections 4.
- a second port 51 of the switching valve 46 is with a fluid line 52 extending between the exhaust ports 22, connected.
- a third port 53 of the switching valve 46 is fluidly connected via a fluid line 54 to the working ports 4.
- a control of the switching valve 46 can be effected both by a fluid flow from the control unit 1 via the working port 4 and by a fluid flow from the supply port 21 via the switching valve 46 and the partial branch 55.
- a self-holding switching position for the switching valve 46 is ensured when supplying the connected to the working port 4, fluid consumer, not shown.
- all ports 49, 51, 53 are blocked, so that no fluid flow through the switching valve 46 is possible.
- the fluid line 54 is associated with a pressure sensor 58, which is connected via an electrical connection means 59 not shown in more detail to the processing device 67 shown in FIG. 6, in which the pressure signal of the pressure sensor 58 is processed.
- the pressure sensor is mounted directly on the processing device and is connected via a likewise not shown sensor line fluidly communicating with the fluid line.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Valve Housings (AREA)
- Fluid-Driven Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Multiple-Way Valves (AREA)
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2015/062804 WO2016198094A1 (de) | 2015-06-09 | 2015-06-09 | Ventilanordnung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3289229A1 true EP3289229A1 (de) | 2018-03-07 |
| EP3289229B1 EP3289229B1 (de) | 2019-09-04 |
Family
ID=53366033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15727661.9A Active EP3289229B1 (de) | 2015-06-09 | 2015-06-09 | Ventilanordnung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10605274B2 (de) |
| EP (1) | EP3289229B1 (de) |
| CN (1) | CN107208665B (de) |
| WO (1) | WO2016198094A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10087959B2 (en) * | 2015-11-10 | 2018-10-02 | Stella Maris, Llc | Hydraulic manifold control assembly |
| DE112017006181B4 (de) * | 2017-05-03 | 2021-11-25 | Festo Se & Co. Kg | Elektropneumatisches Steuergerät und damit ausgestattete Prozesssteuervorrichtung |
| EP3614027B1 (de) * | 2018-08-20 | 2021-06-23 | Hamilton Sundstrand Corporation | Hydraulisches servoventil |
| DE102020202577B4 (de) * | 2020-02-28 | 2022-09-15 | Festo Se & Co. Kg | Ventilmodul, Ventilanordnung und Verfahren |
| US12140241B2 (en) * | 2021-05-24 | 2024-11-12 | Festo Se & Co. Kg | Fluid control system |
| CN115342094A (zh) * | 2022-08-24 | 2022-11-15 | 北京道思克矿山装备技术有限公司 | 一种智能控制多路换向阀系统 |
| CN115869822A (zh) * | 2022-12-06 | 2023-03-31 | 费斯托(中国)自动化制造有限公司 | 气体混合装置 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1098629A (en) * | 1964-08-06 | 1968-01-10 | Applied Controls Ltd | Connector unit |
| US3513876A (en) * | 1968-04-09 | 1970-05-26 | Akro Tec Inc | Valve manifold module and system |
| US3556144A (en) * | 1969-11-10 | 1971-01-19 | Nordberg Manufacturing Co | Directional control valve and method of making |
| US3688797A (en) * | 1970-05-01 | 1972-09-05 | Systems Design Co Inc | Cartridge type valve |
| US3779136A (en) * | 1972-04-11 | 1973-12-18 | Volkswagenwerk Ag | Valve unit for controlling double acting fluid operating cylinders |
| US4796661A (en) * | 1985-08-30 | 1989-01-10 | Yuken Kogyo Kabushiki Kaisha | Proportional electro-hydraulic pressure control valve |
| DE4037353C1 (de) * | 1990-11-20 | 1992-03-12 | Mannesmann Ag, 4000 Duesseldorf, De | |
| US5341841A (en) * | 1993-10-19 | 1994-08-30 | Acute Ideas, Inc. | Fluid distribution device |
| DE19537482A1 (de) | 1995-10-09 | 1997-04-10 | Schwelm Hans | Hydraulischer Steuerblock |
| SE513115C2 (sv) * | 1998-11-12 | 2000-07-10 | Mecman Ab Rexroth | Ventilrampanordning |
| JP3609331B2 (ja) * | 2000-09-12 | 2005-01-12 | Smc株式会社 | 位置検出機能を備えたマニホールドバルブ |
| JP3590772B2 (ja) * | 2001-01-16 | 2004-11-17 | Smc株式会社 | センサ付き電磁弁 |
| DE10347590B3 (de) * | 2003-10-14 | 2005-01-13 | Festo Ag & Co. | Verteilermodul für Ventilbatterien |
| CN100501212C (zh) * | 2004-02-27 | 2009-06-17 | 铝微有限公司 | 微阀装置 |
| US7874456B2 (en) * | 2007-02-12 | 2011-01-25 | Illinois Tool Works Inc. | Modular system for delivering hot melt adhesive or other thermoplastic materials, and pressure control system therefor |
| DE102009025827A1 (de) | 2009-05-18 | 2010-11-25 | Bucyrus Dbt Europe Gmbh | Hydraulikschaltvorrichtung für die Mobilhydraulik, mobile Hydraulikmaschine und Ventileinheit |
| DE102009023706A1 (de) | 2009-06-03 | 2010-12-16 | Hoerbiger Automatisierungstechnik Holding Gmbh | Pneumatischer Stellungsregler mit piezopneumatischer Ventileinheit |
| DE102009053901B3 (de) | 2009-11-20 | 2011-04-28 | Abb Technology Ag | Ventilanordnung |
| WO2012151292A2 (en) * | 2011-05-02 | 2012-11-08 | Advantage Group International Inc. | Manifold system for gas and fluid delivery |
| EP3249114B1 (de) * | 2014-12-29 | 2020-02-19 | Volvo Construction Equipment AB | Steuerventil für eine baumaschine |
-
2015
- 2015-06-09 US US15/526,894 patent/US10605274B2/en active Active
- 2015-06-09 EP EP15727661.9A patent/EP3289229B1/de active Active
- 2015-06-09 CN CN201580073541.XA patent/CN107208665B/zh active Active
- 2015-06-09 WO PCT/EP2015/062804 patent/WO2016198094A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP3289229B1 (de) | 2019-09-04 |
| US10605274B2 (en) | 2020-03-31 |
| CN107208665A (zh) | 2017-09-26 |
| WO2016198094A1 (de) | 2016-12-15 |
| CN107208665B (zh) | 2020-02-14 |
| US20170328383A1 (en) | 2017-11-16 |
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