EP2441968B1 - Fluid electric connection device and valve battery - Google Patents
Fluid electric connection device and valve battery Download PDFInfo
- Publication number
- EP2441968B1 EP2441968B1 EP20100013587 EP10013587A EP2441968B1 EP 2441968 B1 EP2441968 B1 EP 2441968B1 EP 20100013587 EP20100013587 EP 20100013587 EP 10013587 A EP10013587 A EP 10013587A EP 2441968 B1 EP2441968 B1 EP 2441968B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electric
- fluid
- housing
- coupling device
- electrical
- 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.)
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- 239000012530 fluid Substances 0.000 title claims description 35
- 230000008878 coupling Effects 0.000 claims description 89
- 238000010168 coupling process Methods 0.000 claims description 89
- 238000005859 coupling reaction Methods 0.000 claims description 89
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000011156 evaluation Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 claims 8
- 230000008054 signal transmission Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
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- 230000037431 insertion Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 210000002105 tongue Anatomy 0.000 description 3
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- 230000002950 deficient Effects 0.000 description 1
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Images
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
- F15B13/06—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
- F15B13/0871—Channels for fluid
Definitions
- the invention relates to a fluid-electrical connection device for a valve battery, having a connection plate, which has two opposite mounting surfaces for an alignment with further connection plates along a Aukahungsachse, wherein the connection plate of at least one fluid channel for the forwarding of a fluid and at least one receiving shaft for receiving an electrical coupling device is traversed, that the fluid channel and the receiving shaft respectively open at both mounting surfaces, and with an accommodated in the receiving shaft electrical coupling means comprising a printed circuit board and attached thereto electrical contact means, wherein each of the two mounting surfaces is assigned at least one electrical contact means to enable electrical coupling adjacent coupling devices arranged along the array axis, and wherein further contact means for an electrical contact kttechnik an attachable to the terminal plate electrical and / or fluidic attachment module are formed. Furthermore, the invention relates to a valve battery for controlling at least one fluid flow.
- a valve device which has a equipped with at least one multi-way valve carrier.
- the valve carrier is with a first electrical interface device of an internal electrical signal transmission device equipped. This can be used if the multi-way valve has an associated third electrical interface device or is unused, if the multi-way valve contains a non-electrical recording receiving them. In any case, the multi-way valve has a second electrical interface device away from the valve base, which allows individual control.
- the electrical signal transmission device comprises a plurality of interface devices designed as sockets or plug contacts, which are arranged on a printed circuit board. The circuit board is inserted into a corresponding recess of the valve carrier.
- the WO 2008138371 A1 discloses a valve assembly having a plurality of valve banks that are different from each other, designed for different nominal flow rate flow categories and each containing a valve carrier with internal fluidic valve carrier channels and internal electrical signal transmission means.
- each receiving channels are formed having fastening grooves, in which the signal transmission means formed as a daisy chain are added.
- the linking boards ensure transmission of control signals between a control device and the valve units coupled to the valve supports.
- connection device for arranged in a row, independently controlled consumers, in particular solenoid valves, known.
- the connection device comprises arrangement arrangements which can be arranged in rows, each of which is assigned to a load and in the mounted state with the latter via connection contacts electrically connected.
- Each contact arrangement has on opposite sides on similar rows of contacts, wherein a contact of a contact row is connected to the directly opposite contact of the other row of contacts and at least one terminal contact.
- the contacts facing each contact rows of two juxtaposed contact arrangements are in electrical contact with each other, the row of contacts of the first of the juxtaposed contact arrangements can be acted upon with control signals for each consumer.
- the connection contacts are designed as spring tongues and are arranged on an end face of the elongated contact holder.
- the object of the invention is to provide a fluid electrical connection device which enables a simplified handling and assembly of the electrical coupling device.
- the circuit board and the contact means are at least partially surrounded by a housing which is designed for a mechanical connection between the electrical coupling device and the receiving shaft.
- the housing serves as mechanical protection for the contact means and the printed circuit board.
- the protective effect of the housing relates in particular to protection against undesired contact with the electronic components possibly applied to the printed circuit board or to any further printed circuit that may be present during assembly operations.
- the housing allows a simple mechanical integration of the electrical coupling device in the connection plate. It is advantageous that the housing, regardless of the internal configuration of the electrical coupling device, in particular regardless of their scope of functions, always provides a constant mechanical interface with respect to the receiving shaft in the connection plate.
- the circuit board and / or the contact means are positively fixed in the housing.
- the forces occurring when joining a plurality of fluid-electrical connection devices to a valve battery and / or when using the valve battery for controlling fluid flows and optionally for detecting and relaying sensor signals to the electrical coupling devices are advantageously dissipated to the respective associated connection plate.
- significant plug-in forces can be achieved, which according to the invention can be dissipated in the respective connection plate by the positive reception of the printed circuit board and / or the contact means in the housing.
- External accelerations occurring during operation of the valve battery for example vibrations, can lead to force effects on the electrical coupling devices. These forces can also be derived in a short way and without affecting the electrical connections in the respective connection plate.
- At least one locking device is arranged in the receiving shaft, which is designed for a detachable, in particular form-fitting, fixing of the housing to the connection plate.
- the locking device is preferably designed for tool-free assembly and / or disassembly of the electrical coupling device.
- a Verrieglungs is designed as inwardly projecting into the receiving shaft locking lug or undercut formed in the receiving slot recess, which are provided for a positive engagement correspondingly shaped locking geometries on the housing. Due to the releasable fixing of the housing, a simple replacement of a possibly defective electrical coupling device can be made in the event of repair. In this case, it can be provided, in particular, that the housing locked in the connection plate by means of the at least one locking device is exchanged with the electrical coupling device as a complete assembly.
- connection plates In a further development of the invention, it is provided that mutually opposite side surfaces of the housing are at least substantially flush with the mounting surfaces of the connection plate can be arranged. As a result, a compact integration of the housing is ensured in the connection plate. In addition, this facilitates a fluid-tight coupling adjacent to the array axis arranged fluid electrical connection devices whose opposing mounting surfaces are at least partially formed as sealing surfaces to limit along the alignment axis at least one extending transversely through the connection plates fluid channel.
- a protective collar projecting beyond the mounting surface is provided on at least one side surface of the housing, said protective collar being designed as a protective device for assigned contact means.
- the protective collar may be formed as a peripheral frame, as a single projection or as an arrangement of continuous or separate projections. It serves, for example, to protect the associated contact means, which can be formed by way of example from a plurality of plug contacts, in particular from contact pins, preferably arranged in a uniform grid.
- a correspondingly shaped recess for receiving the protective collar is provided on the opposite side surface of the housing, so that the protective collar is formed in the manner of a plug connection between adjacent housings.
- the housing is constructed from at least two, preferably positively connected, housing parts.
- the separation of the housing into a plurality of housing parts enables a simple, preferably form-fitting, mounting of the printed circuit board and the contact means in the housing. After mounting the components in the housing, this can be closed, for example, by making non-positive and / or positive and / or cohesive connections between the housing parts.
- these can be produced in a simple manner, for example in the plastic injection molding process.
- a distance between the mutually opposite electrical contact means corresponds to a width division of the connection plate or an integral multiple of the width division of the connection plate.
- the width division of the connection plate it is the extension of the connection plate along the alignment axis.
- a constant pitch is provided for the terminal plates, possibly some of the terminal plates are formed, for example, with double, triple or quadruple division.
- the contact means of an electrical coupling device are arranged with the width division of the connection plate to each other, so that when a juxtaposition of fluid electrical connection devices, the adjacent connection devices can also be brought into electrical contact with each other.
- the housing is adapted in a corresponding manner to the respective spacing of the contact means and also has along the Aukasachse an extent corresponding to the width division or an integral multiple of the width division of the connection plate.
- the electrical coupling device comprises a control and / or evaluation circuit, in particular for a valve device and / or a sensor device.
- the electrical coupling device is used exclusively for forwarding control signals and / or bus signals along the alignment axis and for providing control signals to that of the respective fluid electrical connection device associated connection module.
- an influencing of the control signals provided by a control device and / or of sensor signals provided by an associated attachment module can be effected directly on-site in the respective fluid-electrical connection device.
- a drive circuit may comprise, for example, a holding current reduction, with the aid of which the electric power provided to a top module comprising a solenoid valve with a solenoid is lowered after reaching a predetermined switching state in order to achieve energy saving and to reduce heating of the solenoid valve.
- the control and / or evaluation circuit can also be designed for evaluation and / or amplification of a sensor signal which is provided by a sensor which is integrated in the associated attachment module or is electrically connected thereto.
- the drive and / or evaluation circuit is formed on a separate, electrically connected to the circuit board, printed circuit.
- the housing ensures the mechanical cohesion between the printed circuit board and the at least one further printed circuit.
- a fixed wiring or / or a plug connection can be formed for the electrical signal transmission.
- the housing serves in a dual function not only as mechanical and optionally electrical protection for the components housed therein, but also directly as a mechanical component of a connector for the attachment module.
- a recess is formed in a wall region of the housing, which is designed for inserting at least one electrical contact tongue of the electrical and / or fluidic attachment module into the at least one receiving shaft.
- the contact tongue may enter into an electrical connection with a trained example as a contact spring contact element, which in turn is electrically connected to the circuit board or another printed circuit and recorded in the receiving shaft, in particular set.
- a cross section of the receiving shaft in the connection plate and a cross section of the electrical coupling device are profiled in such a way that the coupling device can be inserted into the receiving shaft only with the correct polarity.
- the corresponding cross sections are exemplary when viewing the electrical coupling device and the receiving shaft in cross-sectional planes that are aligned normal to the alignment axis.
- a valve battery for controlling at least one fluid flow having a plurality of electrofluidic connection devices arranged one after the other along a line-up axis. It is provided that adjacently arranged connection plates with mounting surfaces abut each other and electrical coupling devices in electrical Contact each other to ensure transmission of control and / or sensor signals along the alignment axis between the electrofluidic connection devices and a control device, and with electrical and / or fluidic attachment modules, which are associated with the respective terminal plates.
- the electrical coupling device accommodated in the connection plate is designed to be adaptable in its functional scope to a functional scope of the attachment module.
- a different range of functions is provided for the coupling device than is the case with an attachment module which contains only fluidic valves or comprises a mixed assembly of fluidic valves and sensor interfaces.
- FIG. 1 a subassembly 2 composed of a plurality of fluid electrical connection devices 1 is shown.
- This sub-brewing group 2 can be integrated together with other, not shown components in a valve manifold, not shown.
- the fluid-electrical connection devices 1 each comprise a connection plate 3, an electrical coupling device 4 and an attachment module 5.
- the connection devices 1 are aligned flush with each other along a line-up axis 6 and define a plurality of along the line-up axis 6 across the subassembly 2 extending fluid channels, some of which with the Reference numeral 7 are provided.
- narrow side 8 of the connecting devices 1 are each provided by pairs arranged connecting pieces 9, which can be brought depending on the configuration of the attachment modules 5 in communicating connection with one of the fluid channels 7 and which are each formed for the connection of a fluid hose, not shown ,
- control elements 11 are attached by way of example to some of the attachment modules 5, which allow manual influencing of the respective function of the associated attachment module 5.
- the attachment modules 5 are each solenoid valve units 12 or combined solenoid valve sensor units 15.
- one of the control elements 11 is replaced by an electrical socket 16 which, for example, allows the connection of a sensor, for example a pressure sensor or a flow sensor.
- each electrical coupling means 4 are arranged in the connection devices 1.
- the electrical coupling devices 4 are used to forward electrical energy and / or control signals along the alignment axis 6 through the subassembly 2, so that all connection devices 1 are supplied with the necessary electrical energy and / or the necessary electrical control signals.
- connection plate 3 which is shown in greater detail, has two mounting surfaces 18, which are opposite one another and have, for example, an essentially planar design and are penetrated by the fluid channels 7 and a receiving shaft 17.
- the mounting surfaces 18 come in at FIG. 1 shown lined-up along the alignment axis 6 in surface contact with other connection plates 3.
- the adjacent mounting surfaces 18 form mutually corresponding sealing surfaces, in particular by means of sealing means, not shown, permit a fluidic separation between the respective adjacent in the respective terminal plate 3 formed fluid channels 7 along the alignment axis.
- 7 compressed air can be supplied with different pressures to the respective solenoid valve units 12 or discharged from them in the fluid channels.
- the attachment modules 5 are placed on an exemplarily stepped, partially planar coupling surface 19, which is aligned transversely to the mounting surfaces 18.
- connecting channels 20 are formed for fluidic connections between the fluid channels 7 and the connecting piece 9.
- plug-in slots 21 are formed in the coupling surface, which are adapted for electrical connections between the attachment modules 5 and the electrical coupling means 4.
- the connecting channels 20 and the plug-in slots 21 run, for example, transversely or normally to the coupling surface 19.
- receiving shaft 17 for the electrical coupling device 4 has a non-symmetrical cross-section in a cross-sectional plane, not shown, aligned transversely to the alignment axis 6.
- this cross section is at least substantially constant along the alignment axis 6.
- the electrical coupling device 4 has in the same cross-sectional plane on a substantially corresponding to the receiving shaft 17 cross-section. As a result, the coupling device 4 can be inserted along the alignment axis 6 into the receiving shaft 17.
- a plurality of locking devices 22 are provided as an example, which are formed in particular for a releasable locking of the electrical coupling device 4 in the connection plate 3.
- the locking devices 22 are exemplified by locking lugs 23 on the connection plate 3, which protrude into the clear or free cross section of the receiving shaft 17 and formed by corresponding, for example, elastically mounted locking lugs 24 on the electrical coupling device 4.
- a mounting of the coupling device 4 is provided in the connection plate 3 without tools, disassembly of the coupling device 4 takes place in the present embodiment by means of a disassembly tool, not shown, which synchronously unlocks all locking devices 22 and thus allows removal of the coupling device 4.
- a stop web 26 is provided, on which the coupling device 4 comes to lie in the receiving shaft 17 when it engages.
- the receiving shaft in the region of one of the two mounting surfaces on a substantially closed wall, which is broken, for example, by a recess for the contact means. In this way, a simple determination of the mounting direction for the electrical coupling device can be achieved.
- the attachment module 5 has, on an end face opposite the control elements 11, by way of example two plugs 29 which each comprise an exemplary cylindrical plug body 30 and two tabs 31 protruding from the plug body 30, respectively.
- the plug body 30 pass through the corresponding plug-in slots 21 and the tabs 31 are inserted into the sockets 28 of the coupling device 4.
- electrical contacts between the attachment module 5 and the coupling device 4 are produced, by which a transmission of electrical signals and / or electrical power between the coupling device 4 and the attachment module 5 is made possible.
- the coupling device 4 comprises a housing 34, which is formed by way of example from two housing shells 32, 33, which are essentially U-shaped, and first and second printed circuit boards 35, 41 enclosed by the housing 34.
- the first printed circuit board 35 serves to forward electrical signals and / or from electrical power along the alignment axis 6 through the juxtaposed fluid electrical connection devices 1 therethrough.
- first contact means 36 designed as plugs and second contact means 37 designed as sockets are provided on the first circuit board 35 and are formed corresponding to the plugs.
- the first contact means 36 of a preceding fluid-electrical connection device 1 can be plugged into the second contact means 37 of a subsequent fluid-electrical connection device 1, around a to achieve electrical coupling of these two fluid electrical connection devices 1.
- the first and second contact means 36, 37 are spaced apart along the line-up axis 6 such that, when juxtaposed adjacent fluid-electrical connection devices 1 in the inserted state of the respective contact means 36, 37 results in a distance A which is equal to or slightly smaller than the extension t of Terminal plate 3 along the alignment axis 6 is.
- the terminal plates 3 are formed with respect to their extent along the Aukasachse 6 with the fixed pitch t or an integral multiple of the fixed pitch t.
- an offset between the first contact means 36 and the second contact means 37 is formed on the printed circuit board 35 so that preceding and succeeding fluid electrical connection devices 1 are electrically connected to one another with a so-called Z-concatenation.
- third contact means 40 For an electrical coupling of the attachment module 5 of the upper housing shell 32 are shown schematically as spring contacts shown third contact means 40, which in the in FIG. 3 illustrated embodiment in electrical communication with a second circuit board 41.
- the third contact means are received in not shown shafts in the upper housing shell 32, in particular at least partially fixed.
- the second printed circuit board 41 comprises, for example, a control circuit 42 composed of a plurality of electrical and electronic components, for example a holding current lowering circuit and / or a circuit for processing of sensor signals, and optionally one or more light-emitting diodes 43 for displaying operating states.
- a control circuit 42 composed of a plurality of electrical and electronic components, for example a holding current lowering circuit and / or a circuit for processing of sensor signals, and optionally one or more light-emitting diodes 43 for displaying operating states.
- a plug connection is provided, which is formed from a plug 44 and a socket 45, which are arranged aligned in each case in an end region of the respective circuit board 35, 41 perpendicular to the Aukahungsachse 6.
- the first circuit board 35 is in the assembly of the electrical coupling device 4 by means of locking hooks 46 and stop surfaces 47, 48 form-fitting both in the direction of the Aukahungsachse 6 and in a spatial direction transverse thereto, in the FIG. 3 vertical.
- the force acting on the contact means 36, 37 insertion forces are transmitted over a short path and thus with advantageous power flow through the circuit board 35 and from there to the lower housing shell 33 and the upper housing shell 32, from where they then by means of the corresponding locking lugs 23, 24 can be transferred to the connection plate 3.
- the spacing of the second printed circuit board 41 from the first printed circuit board 35 in accordance with FIG. 3 vertical direction is ensured on one side by the plug 44 and the socket 45.
- the second circuit board 41 can accommodate the insertion forces occurring during insertion of the tabs 31 into the socket 28, a support surface 49 is formed in the lower housing shell 33 above the latching hook 46 for the first circuit board 35 on which the second circuit board 41 in the assembled state electrical coupling device 4 rests flat.
- a protective collar 50 projecting from the side surface 25 is formed on the upper housing shell 32 and at least partially, preferably completely, overhangs the contact means 36 and at least substantially prevents damage to the contact means 36 in the unassembled state of the fluid electrical connection devices 1.
- the upper housing shell 32 and the lower housing shell 33 each have correspondingly formed locking means, which allow a tool-free installation.
- the locking means are exemplified as latching hooks 51 on the lower housing shell 33 and as recesses 52, which allow a positive engagement of the latching hooks 51, formed on the upper housing shell 32.
- the lower housing shell 33 has, in an aligned transversely to the alignment axis 6, not shown cross-sectional plane by way of example on a U-shaped cross-section, wherein the U-legs 53 are each profiled in a U-shape. Together with a crosspiece 56, which is trough-shaped, thus, the lower housing shell 33 has a high dimensional stability.
- the upper housing shell 32 is constructed like a box and has at the two opposite side surfaces 25 each not designated recesses, which are designed for at least partially receiving the contact means 36, 37 and the protective collar 50.
- the locking lugs 24 are exemplarily respectively elastically supported on bending beams 59, 60.
- FIG. 4 illustrated second variant of an electrical coupling device 104 differs from the first electrical coupling device 4 by way of example by a design as a double module, along the alignment axis 6 twice the width 2 * t as the electrical coupling device 4 has.
- the coupling device 104 by way of example comprises only a single circuit board 105.An electrical connection between the sockets 28 and the circuit board 105 is ensured by the known from the first variant spring contacts and contact posts, not shown, which are electrically connected to the circuit board 105 in conjunction, guaranteed ,
- FIG. 5 illustrated third variant of an electrical coupling device 204 differs from the first electrical coupling device 4 by way of example by a training as a quadruple module, which along the alignment axis 6 four times the width 4 * t as the electrical the electrical coupling device 4.
- Both the in FIG. 4 shown double module 104 and the in FIG. 5 shown quadruple module 204 may each be provided with a second printed circuit board, not shown, which is designed as a drive circuit for solenoid valves and / or as a processing circuit for sensor signals. Both variants of the electrical coupling device 104, 204 can be used, for example, for supplying assemblies of fluid-electric connection devices with a simple division t or with a double division 2 * t.
- one or more electronic circuits may be arranged on the first circuit board to which the contact means are fixed, which are formed for example for the control of solenoid valves and / or for the processing of sensor signals.
- the upper housing shell and / or the lower housing shell and / or the connection plate are made of plastic, in particular as plastic injection molded parts.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Housings (AREA)
Description
Die Erfindung betrifft eine fluidelektrische Anschlussvorrichtung für eine Ventilbatterie, mit einer Anschlussplatte, die zwei einander entgegengesetzte Montageflächen für eine Aufreihung an weitere Anschlussplatten längs einer Aufreihungsachse aufweist, wobei die Anschlussplatte derart von wenigstens einem Fluidkanal für die Weiterleitung eines Fluids und wenigstens einem Aufnahmeschacht für die Aufnahme einer elektrischen Kopplungseinrichtung durchsetzt ist, dass der Fluidkanal und der Aufnahmeschacht jeweils an beiden Montageflächen ausmünden, sowie mit einer im Aufnahmeschacht aufgenommenen elektrischen Kopplungseinrichtung, die eine Leiterplatte und daran angebrachte elektrische Kontaktmittel umfasst, wobei jeder der beiden Montageflächen wenigstens ein elektrisches Kontaktmittel zugeordnet ist, um eine elektrische Kopplung benachbart längs der Aufreihungsachse angeordneter Kopplungseinrichtungen zu ermöglichen und wobei weitere Kontaktmittel für eine elektrische Kontaktierung eines an der Anschlussplatte anbringbaren elektrischen und/oder fluidischen Aufsatzmoduls ausgebildet sind. Ferner betrifft die Erfindung eine Ventilbatterie zur Steuerung wenigstens eines Fluidstroms.The invention relates to a fluid-electrical connection device for a valve battery, having a connection plate, which has two opposite mounting surfaces for an alignment with further connection plates along a Aufreihungsachse, wherein the connection plate of at least one fluid channel for the forwarding of a fluid and at least one receiving shaft for receiving an electrical coupling device is traversed, that the fluid channel and the receiving shaft respectively open at both mounting surfaces, and with an accommodated in the receiving shaft electrical coupling means comprising a printed circuit board and attached thereto electrical contact means, wherein each of the two mounting surfaces is assigned at least one electrical contact means to enable electrical coupling adjacent coupling devices arranged along the array axis, and wherein further contact means for an electrical contact ktierung an attachable to the terminal plate electrical and / or fluidic attachment module are formed. Furthermore, the invention relates to a valve battery for controlling at least one fluid flow.
Aus der
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Aus der
Die Aufgabe der Erfindung besteht darin, eine fluidelektrische Anschlussvorrichtung bereitzustellen, die eine vereinfachte Handhabung und Montage der elektrischen Kopplungseinrichtung ermöglicht.The object of the invention is to provide a fluid electrical connection device which enables a simplified handling and assembly of the electrical coupling device.
Diese Aufgabe wird für eine fluidelektrische Anschlussvorrichtung der eingangs genannten Art mit den Merkmalen des Anspruchs 1 gelöst. Hierbei ist vorgesehen, dass die Leiterplatte und die Kontaktmittel zumindest bereichsweise von einem Gehäuse umgeben sind, das für eine mechanische Verbindung zwischen der elektrischen Kopplungseinrichtung und dem Aufnahmeschacht ausgebildet ist. Das Gehäuse dient als mechanischer Schutz für die Kontaktmittel und die Leiterplatte. Hierdurch wird die Handhabung der elektrischen Kopplungseinrichtung bei der Montage der fluidelektrischen Anschlusseinrichtung sowie bei der Kopplung mehrerer fluidelektrischer Anschlusseinrichtungen zu einer Ventilbatterie vereinfacht. Die Schutzwirkung des Gehäuses betrifft insbesondere einen Schutz vor unerwünschter Berührung der gegebenenfalls auf der Leiterplatte oder auf einer möglicherweise vorhandenen weiteren gedruckten Schaltung aufgebrachten elektronischen Bauteile während der Montagevorgänge. Zudem ermöglicht das Gehäuse eine einfache mechanische Integration der elektrischen Kopplungseinrichtung in die Anschlussplatte. Hierbei ist vorteilhaft, dass das Gehäuse unabhängig von der internen Ausgestaltung der elektrischen Kopplungseinrichtung, insbesondere unabhängig von deren Funktionsumfang, stets eine gleichbleibende mechanische Schnittstelle gegenüber dem Aufnahmeschacht in der Anschlussplatte bereitstellt.This object is achieved for a fluid electrical connection device of the aforementioned type with the features of claim 1. It is provided that the circuit board and the contact means are at least partially surrounded by a housing which is designed for a mechanical connection between the electrical coupling device and the receiving shaft. The housing serves as mechanical protection for the contact means and the printed circuit board. As a result, the handling of the electrical coupling device during assembly of the fluid electrical connection device and in the coupling of a plurality of fluid electrical connection devices to a valve battery is simplified. The protective effect of the housing relates in particular to protection against undesired contact with the electronic components possibly applied to the printed circuit board or to any further printed circuit that may be present during assembly operations. In addition, the housing allows a simple mechanical integration of the electrical coupling device in the connection plate. It is advantageous that the housing, regardless of the internal configuration of the electrical coupling device, in particular regardless of their scope of functions, always provides a constant mechanical interface with respect to the receiving shaft in the connection plate.
Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.Advantageous developments of the invention are specified in the subclaims.
Zweckmäßig ist es, wenn die Leiterplatte und/oder die Kontaktmittel formschlüssig in dem Gehäuse festgelegt sind. Hierdurch werden die beim Zusammenfügen von mehreren fluidelektrischen Anschlusseinrichtungen zu einer Ventilbatterie und/oder beim Einsatz der Ventilbatterie zur Steuerung von Fluidströmen und gegebenenfalls zur Erfassung und Weiterleitung von Sensorsignalen auftretenden Kräfte auf die elektrischen Kopplungseinrichtungen in vorteilhafter Weise auf die jeweils zugeordnete Anschlussplatte abgeleitet. Beispielsweise treten bei der Montage der fluidelektrischen Anschlusseinrichtungen und der dabei erzeugten elektrischen Verbindungen zwischen den benachbart angeordneten elektrischen Kopplungseinrichtungen erhebliche Steckkräfte auf, die erfindungsgemäß durch die formschlüssige Aufnahme der Leiterplatte und/oder der Kontaktmittel im Gehäuse auf kurzem Wege in die jeweilige Anschlussplatte abgeleitet werden können. Im Betrieb der Ventilbatterie auftretende äußere Beschleunigungen, beispielsweise Vibrationen, können zu Krafteinwirkungen auf die elektrischen Kopplungseinrichtungen führen. Diese Krafteinwirkungen können ebenfalls auf kurzem Wege und ohne Beeinträchtigung der elektrischen Verbindungen in die jeweilige Anschlussplatte abgeleitet werden.It is useful if the circuit board and / or the contact means are positively fixed in the housing. As a result, the forces occurring when joining a plurality of fluid-electrical connection devices to a valve battery and / or when using the valve battery for controlling fluid flows and optionally for detecting and relaying sensor signals to the electrical coupling devices are advantageously dissipated to the respective associated connection plate. For example, during the assembly of the fluid-electrical connection devices and the electrical connections produced between the adjacently arranged electrical coupling devices, significant plug-in forces can be achieved, which according to the invention can be dissipated in the respective connection plate by the positive reception of the printed circuit board and / or the contact means in the housing. External accelerations occurring during operation of the valve battery, for example vibrations, can lead to force effects on the electrical coupling devices. These forces can also be derived in a short way and without affecting the electrical connections in the respective connection plate.
Vorteilhaft ist es, wenn im Aufnahmeschacht wenigstens eine Verriegelungseinrichtung angeordnet ist, die für eine lösbare, insbesondere formschlüssige, Festlegung des Gehäuses an der Anschlussplatte ausgebildet ist. Die Verriegelungseinrichtung ist vorzugsweise für eine werkzeuglose Montage und/oder Demontage der elektrischen Kopplungseinrichtung ausgebildet. Beispielsweise ist eine Verrieglungseinrichtung als nach innen in den Aufnahmeschacht vorspringende Rastnase oder als hinterschnitten im Aufnahmeschacht ausgebildete Rastausnehmung ausgebildet, die für einen formschlüssigen Eingriff korrespondierend geformter Rastgeometrien am Gehäuse vorgesehen sind. Durch die lösbare Festlegung des Gehäuses kann im Reparaturfall ein einfacher Austausch einer möglicherweise defekten elektrischen Kopplungseinrichtung vorgenommen werden. Hierbei kann insbesondere vorgesehen sein, dass das in der Anschlussplatte mittels der wenigstens einen Verriegelungseinrichtung verriegelte Gehäuse mit der elektrischen Kopplungseinrichtung als komplette Baugruppe ausgetauscht wird.It is advantageous if at least one locking device is arranged in the receiving shaft, which is designed for a detachable, in particular form-fitting, fixing of the housing to the connection plate. The locking device is preferably designed for tool-free assembly and / or disassembly of the electrical coupling device. For example, a Verrieglungseinrichtung is designed as inwardly projecting into the receiving shaft locking lug or undercut formed in the receiving slot recess, which are provided for a positive engagement correspondingly shaped locking geometries on the housing. Due to the releasable fixing of the housing, a simple replacement of a possibly defective electrical coupling device can be made in the event of repair. In this case, it can be provided, in particular, that the housing locked in the connection plate by means of the at least one locking device is exchanged with the electrical coupling device as a complete assembly.
Bei einer Weiterbildung der Erfindung ist vorgesehen, dass einander entgegengesetzte Seitenflächen des Gehäuses zumindest im Wesentlichen flächenbündig mit den Montageflächen der Anschlussplatte anordenbar sind. Hierdurch wird eine kompakte Integration des Gehäuses in die Anschlussplatte gewährleistet. Zudem wird dadurch eine fluiddichte Ankopplung benachbart längs der Aufreihungsachse angeordneter fluidelektrischer Anschlussvorrichtungen erleichtert, deren einander gegenüberliegende Montageflächen zumindest bereichsweise als Dichtflächen ausgebildet sind, um längs der Aufreihungsachse wenigstens einen quer durch die Anschlussplatten verlaufenden Fluidkanal zu begrenzen.In a further development of the invention, it is provided that mutually opposite side surfaces of the housing are at least substantially flush with the mounting surfaces of the connection plate can be arranged. As a result, a compact integration of the housing is ensured in the connection plate. In addition, this facilitates a fluid-tight coupling adjacent to the array axis arranged fluid electrical connection devices whose opposing mounting surfaces are at least partially formed as sealing surfaces to limit along the alignment axis at least one extending transversely through the connection plates fluid channel.
Bevorzugt ist an wenigstens einer Seitenfläche des Gehäuses ein über die Montagefläche hinaus abragender Schutzkragen vorgesehen, der als Schutzeinrichtung für zugeordnete Kontaktmittel ausgebildet ist. Der Schutzkragen kann als umlaufender Rahmen, als einzelner Vorsprung oder als Anordnung von zusammenhängenden oder voneinander getrennten Vorsprüngen ausgebildet sein. Er dient beispielsweise zum Schutz der zugeordneten Kontaktmittel, die exemplarisch aus mehreren, vorzugsweise in einem gleichförmigen Raster angeordneten, Steckkontakten, insbesondere aus Kontaktstiften, gebildet sein können. Vorzugsweise ist an der entgegengesetzten Seitenfläche des Gehäuses eine korrespondierend geformte Ausnehmung zur Aufnahme des Schutzkragens vorgesehen, so dass der Schutzkragen in der Art einer Steckverbindung zwischen benachbarten Gehäusen ausgebildet ist.Preferably, a protective collar projecting beyond the mounting surface is provided on at least one side surface of the housing, said protective collar being designed as a protective device for assigned contact means. The protective collar may be formed as a peripheral frame, as a single projection or as an arrangement of continuous or separate projections. It serves, for example, to protect the associated contact means, which can be formed by way of example from a plurality of plug contacts, in particular from contact pins, preferably arranged in a uniform grid. Preferably, a correspondingly shaped recess for receiving the protective collar is provided on the opposite side surface of the housing, so that the protective collar is formed in the manner of a plug connection between adjacent housings.
Vorteilhaft ist es, wenn das Gehäuse aus wenigstens zwei, vorzugsweise formschlüssig miteinander verbundenen, Gehäuseteilen aufgebaut ist. Die Auftrennung des Gehäuses in mehrere Gehäuseteile ermöglicht eine einfache, vorzugsweise formschlüssige, Montage der Leiterplatte und der Kontaktmittel in das Gehäuse. Nach der Montage der Komponenten in das Gehäuse kann dieses beispielsweise durch Herstellen von kraft- und/oder form- und/oder stoffschlüssigen Verbindungen zwischen den Gehäuseteilen verschlossen werden. Bei einer Gestaltung des Gehäuses aus mehreren Gehäuseteilen können diese in einfacher Weise, beispielsweise im Kunststoffspritzgussverfahren, hergestellt werden.It is advantageous if the housing is constructed from at least two, preferably positively connected, housing parts. The separation of the housing into a plurality of housing parts enables a simple, preferably form-fitting, mounting of the printed circuit board and the contact means in the housing. After mounting the components in the housing, this can be closed, for example, by making non-positive and / or positive and / or cohesive connections between the housing parts. In a design of the housing of a plurality of housing parts, these can be produced in a simple manner, for example in the plastic injection molding process.
Bei einer Weiterbildung der Erfindung ist vorgesehen, dass ein Abstand zwischen den einander entgegengesetzten elektrischen Kontaktmitteln einer Breitenteilung der Anschlussplatte oder einem ganzzahligen Vielfachen der Breitenteilung der Anschlussplatte entspricht. Bei der Breitenteilung der Anschlussplatte handelt es sich um die Erstreckung der Anschlussplatte längs der Aufreihungsachse. Typischerweise ist für die Anschlussplatten eine konstante Teilung vorgesehen, gegebenenfalls sind manche der Anschlussplatten beispielsweise mit doppelter, dreifacher oder vierfacher Teilung ausgebildet. Die Kontaktmittel einer elektrischen Kopplungseinrichtung sind mit der Breitenteilung der Anschlussplatte zueinander angeordnet, so dass bei einer Aneinanderreihung von fluidelektrischen Anschlussvorrichtungen die benachbarten Anschlussvorrichtungen auch in elektrischen Kontakt zueinander gebracht werden können. Das Gehäuse ist in entsprechender Weise auf die jeweilige Beabstandung der Kontaktmittel angepasst und weist ebenfalls längs der Aufreihungsachse eine Ausdehnung auf, die der Breitenteilung oder einem ganzzahligen Vielfachen der Breitenteilung der Anschlussplatte entspricht. Durch die Ausbildung der elektrischen Kopplungseinrichtung mit einer Ausdehnung, die einem ganzzahligen Vielfachen der Breitenteilung der Anschlussplatte entspricht, können mehrere fluidelektrische Anschlussvorrichtungen, die beispielsweise alle die gleiche Breitenteilung aufweisen, zu Unterbaugruppen zusammengefasst werden, die mit einer gemeinsamen elektrischen Kopplungseinrichtung elektrisch verbunden sind.In a development of the invention, it is provided that a distance between the mutually opposite electrical contact means corresponds to a width division of the connection plate or an integral multiple of the width division of the connection plate. At the width division of the connection plate it is the extension of the connection plate along the alignment axis. Typically, a constant pitch is provided for the terminal plates, possibly some of the terminal plates are formed, for example, with double, triple or quadruple division. The contact means of an electrical coupling device are arranged with the width division of the connection plate to each other, so that when a juxtaposition of fluid electrical connection devices, the adjacent connection devices can also be brought into electrical contact with each other. The housing is adapted in a corresponding manner to the respective spacing of the contact means and also has along the Aufreihungsachse an extent corresponding to the width division or an integral multiple of the width division of the connection plate. By forming the electrical coupling device with an extension corresponding to an integer multiple of the width division of the connection plate, a plurality of fluid electrical connection devices, for example, all have the same width division, can be combined to subassemblies, which are electrically connected to a common electrical coupling device.
Zweckmäßig ist es, wenn die elektrische Kopplungseinrichtung eine Ansteuer- und/oder Auswerteschaltung, insbesondere für eine Ventileinrichtung und/oder eine Sensoreinrichtung, umfasst. Dadurch wird der Funktionsumfang, der von der elektrischen Kopplungseinrichtung bereitgestellt wird, vergrößert. In der einfachsten Ausführungsform dient die elektrische Kopplungseinrichtung ausschließlich zur Weiterleitung von Steuersignalen und/oder Bussignalen längs der Aufreihungsachse sowie zur Bereitstellung von Steuersignalen an das der jeweiligen fluidelektrischen Anschlussvorrichtung zugehörige Anschlussmodul. Mit Hilfe der Ansteuer- und/oder Auswerteschaltung kann direkt vor Ort in der jeweiligen fluidelektrischen Anschlussvorrichtung eine Beeinflussung der von einer Steuereinrichtung bereitgestellten Steuersignale und/oder von Sensorsignalen, die von einem zugeordneten Aufsatzmodul bereitgestellt werden, vorgenommen werden. Eine Ansteuerschaltung kann beispielsweise eine Haltestromabsenkung umfassen, mit deren Hilfe die an ein Aufsatzmodul, das eine Magnetventil mit einer Magnetspule umfasst, bereitgestellte elektrische Leistung nach Erreichen eines vorgegebenen Schaltzustands abgesenkt wird, um eine Energieeinsparung zu erreichen und eine Erwärmung des Magnetventils zu reduzieren. Ergänzend oder alternativ kann die Ansteuer- und/oder Auswerteschaltung auch für Auswertung und/oder Verstärkung eines Sensorsignals ausgebildet sein, das von einem Sensor bereitgestellt ist, der in dem zugehörigen Aufsatzmodul integriert ist oder mit diesem elektrisch verbunden ist.It is expedient if the electrical coupling device comprises a control and / or evaluation circuit, in particular for a valve device and / or a sensor device. As a result, the range of functions provided by the electrical coupling device is increased. In the simplest embodiment, the electrical coupling device is used exclusively for forwarding control signals and / or bus signals along the alignment axis and for providing control signals to that of the respective fluid electrical connection device associated connection module. With the aid of the control and / or evaluation circuit, an influencing of the control signals provided by a control device and / or of sensor signals provided by an associated attachment module can be effected directly on-site in the respective fluid-electrical connection device. A drive circuit may comprise, for example, a holding current reduction, with the aid of which the electric power provided to a top module comprising a solenoid valve with a solenoid is lowered after reaching a predetermined switching state in order to achieve energy saving and to reduce heating of the solenoid valve. Additionally or alternatively, the control and / or evaluation circuit can also be designed for evaluation and / or amplification of a sensor signal which is provided by a sensor which is integrated in the associated attachment module or is electrically connected thereto.
Bevorzugt ist die Ansteuer- und/oder Auswerteschaltung auf einer separaten, elektrisch mit der Leiterplatte verbundenen, gedruckten Schaltung ausgebildet. Hierbei stellt das Gehäuse den mechanischen Zusammenhalt zwischen der Leiterplatte und der wenigstens einen weiteren gedruckten Schaltung sicher. Zwischen der Leiterplatte und der wenigstens einen weiteren gedruckten Schaltung können für die elektrische Signalübertragung eine feste Verdrahtung oder/oder eine Steckverbindung ausgebildet sein.Preferably, the drive and / or evaluation circuit is formed on a separate, electrically connected to the circuit board, printed circuit. In this case, the housing ensures the mechanical cohesion between the printed circuit board and the at least one further printed circuit. Between the printed circuit board and the at least one further printed circuit, a fixed wiring or / or a plug connection can be formed for the electrical signal transmission.
Bei einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass in dem Gehäuse wenigstens ein Aufnahmeschacht für ein Kontaktelement ausgebildet ist, das für eine elektrische Kopplung zwischen einem elektrischen und/oder fluidischen Aufsatzmodul und der elektrischen Kopplungseinrichtung ausgebildet ist. Somit dient das Gehäuse in einer Doppelfunktion nicht nur als mechanischer und gegebenenfalls elektrischer Schutz für die darin aufgenommenen Komponenten, sondern auch unmittelbar als mechanische Komponente eines Steckverbinders für das Aufsatzmodul. Hierzu ist in einem Wandbereich des Gehäuses eine Ausnehmung ausgebildet, die für ein Einstecken wenigstens einer elektrischen Kontaktzunge des elektrischen und/oder fluidischen Aufsatzmoduls in den wenigstens einen Aufnahmeschacht ausgebildet ist. Bei dem Einsteckvorgang kann die Kontaktzunge eine elektrische Verbindung mit einem beispielsweise als Kontaktfeder ausgebildeten Kontaktelement eingehen, das seinerseits elektrisch mit der Leiterplatte oder einer weiteren gedruckten Schaltung verbunden ist und das in dem Aufnahmeschacht aufgenommen, insbesondere festgelegt ist.In an advantageous embodiment of the invention it is provided that in the housing at least one receiving shaft for a contact element is formed, which is for an electrical coupling between an electrical and / or fluidic attachment module and the electrical coupling device is trained. Thus, the housing serves in a dual function not only as mechanical and optionally electrical protection for the components housed therein, but also directly as a mechanical component of a connector for the attachment module. For this purpose, a recess is formed in a wall region of the housing, which is designed for inserting at least one electrical contact tongue of the electrical and / or fluidic attachment module into the at least one receiving shaft. In the insertion process, the contact tongue may enter into an electrical connection with a trained example as a contact spring contact element, which in turn is electrically connected to the circuit board or another printed circuit and recorded in the receiving shaft, in particular set.
Bevorzugt sind ein Querschnitt des Aufnahmeschachts in der Anschlussplatte und ein Querschnitt der elektrischen Kopplungseinrichtung derart profiliert, dass die Kopplungseinrichtung ausschließlich polungsrichtig in den Aufnahmeschacht einsetzbar ist. Hierdurch kann ein fehlerhafter Einbau der elektrischen Kopplungseinrichtung in die Anschlussplatte vermieden werden. Die entsprechenden Querschnitte ergeben sich exemplarisch bei Betrachtung der elektrischen Kopplungseinrichtung und des Aufnahmeschachts in Querschnittsebenen, die normal zur Aufreihungsachse ausgerichtet sind.Preferably, a cross section of the receiving shaft in the connection plate and a cross section of the electrical coupling device are profiled in such a way that the coupling device can be inserted into the receiving shaft only with the correct polarity. As a result, a faulty installation of the electrical coupling device in the connection plate can be avoided. The corresponding cross sections are exemplary when viewing the electrical coupling device and the receiving shaft in cross-sectional planes that are aligned normal to the alignment axis.
Die der Erfindung zugrundeliegende Aufgabe wird auch durch eine Ventilbatterie zur Steuerung wenigstens eines Fluidstroms mit mehreren längs einer Aufreihungsachse aneinander aufgereihten, elektrofluidischen Anschlussvorrichtungen gelöst. Hierbei ist vorgesehen, dass einander benachbart angeordnete Anschlussplatten mit Montageflächen aneinander anliegen und elektrische Kopplungseinrichtungen in elektrischem Kontakt zueinander stehen, um eine Übertragung von Steuer- und/oder Sensorsignalen längs der Aufreihungsachse zwischen den elektrofluidischen Anschlussvorrichtungen und einer Steuereinrichtung zu gewährleisten, sowie mit elektrischen und/oder fluidischen Aufsatzmodulen, die den jeweiligen Anschlussplatten zugeordnet sind.The object underlying the invention is also achieved by a valve battery for controlling at least one fluid flow having a plurality of electrofluidic connection devices arranged one after the other along a line-up axis. It is provided that adjacently arranged connection plates with mounting surfaces abut each other and electrical coupling devices in electrical Contact each other to ensure transmission of control and / or sensor signals along the alignment axis between the electrofluidic connection devices and a control device, and with electrical and / or fluidic attachment modules, which are associated with the respective terminal plates.
Bei einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass die in der Anschlussplatte aufgenommene elektrische Kopplungseinrichtung in ihrem Funktionsumfang auf einen Funktionsumfang des Aufsatzmoduls anpassbar ausgebildet ist. So wird beispielsweise bei einem ausschließlich als Sensorschnittstelle ausgebildeten Aufsatzmodul ein anderer Funktionsumfang für die Kopplungseinrichtung vorgesehen als dies bei einem Aufsatzmodul der Fall ist, das lediglich fluidische Ventile enthält oder eine Mischbestückung aus fluidischen Ventilen und Sensorschnittstellen umfasst.In an advantageous development of the invention, it is provided that the electrical coupling device accommodated in the connection plate is designed to be adaptable in its functional scope to a functional scope of the attachment module. Thus, for example, in an attachment module designed exclusively as a sensor interface, a different range of functions is provided for the coupling device than is the case with an attachment module which contains only fluidic valves or comprises a mixed assembly of fluidic valves and sensor interfaces.
Vorteilhafte Ausführungsbeispiele der Erfindung sind in der Zeichnung angegeben. Hierbei zeigt:
- Figur 1
- eine perspektivische Darstellung mehrerer längs einer Aufreihungsachse aufgereihter fluidelektrischer Anschlussvorrichtungen, die eine Unterbaugruppe eine Ventilbatterie bilden,
Figur 2- eine perspektivische Explosionsdarstellung einer fluidelektrischen Anschlussvorrichtung,
Figur 3- eine perspektivische Explosionsdarstellung einer ersten Variante einer elektrischen Kopplungseinrichtung,
Figur 4- eine perspektivische Explosionsdarstellung einer zweiten Variante einer elektrischen Kopplungseinrichtung und
- Figur 5
- eine perspektivische Explosionsdarstellung einer dritten Variante einer elektrischen Kopplungseinrichtung.
- FIG. 1
- 3 is a perspective view of a plurality of fluid electrical connection devices arranged along a line-up arrangement, which form a subassembly of a valve battery;
- FIG. 2
- an exploded perspective view of a fluid electrical connection device,
- FIG. 3
- an exploded perspective view of a first variant of an electrical coupling device,
- FIG. 4
- an exploded perspective view of a second variant of an electrical coupling device and
- FIG. 5
- an exploded perspective view of a third variant of an electrical coupling device.
In der
Exemplarisch handelt es sich bei den Aufsatzmodulen 5 jeweils um Magnetventileinheiten 12 oder um kombinierte Magnetventil-Sensoreinheiten 15. Bei der Magnetventil-Sensoreinheit 15 ist eines der Steuerelemente 11 durch eine elektrische Steckbuchse 16 ersetzt, die beispielsweise den Anschluss eines Sensors, beispielsweise eines Drucksensors oder eines Durchflusssensors, ermöglicht.By way of example, the attachment modules 5 are each
Für eine Versorgung der Anschlussvorrichtungen 1 mit elektrischer Energie und/oder Steuersignalen einer nicht näher dargestellten Steuerungseinrichtung, beispielsweise einer speicherprogrammierbaren Steuerung (SPS), sind in den Anschlussvorrichtungen 1 jeweils elektrische Kopplungseinrichtungen 4 angeordnet. Die elektrischen Kopplungseinrichtungen 4 dienen der Weiterleitung elektrischer Energie und/oder von Steuersignalen längs der Aufreihungsachse 6 durch die Unterbaugruppe 2, so dass sämtliche Anschlussvorrichtungen 1 mit der notwendigen elektrischen Energie und/oder den notwendigen elektrischen Steuersignalen versorgt werden. Je nach Ausgestaltung der jeweiligen Anschlussvorrichtung 1 kann auch vorgesehen sein, dass elektrische Signale eines nicht dargestellten Sensors, der mit einem entsprechenden Aufsatzmodul 5, insbesondere der Magnetventil-Sensoreinheit 15, gekoppelt ist, längs der Aufreihungsachse 6 mittels der elektrischen Kopplungseinrichtungen 4 an die nicht dargestellte Steuerungseinrichtung weitergeleitet werden.For a supply of the connecting devices 1 with electrical energy and / or control signals of a control device, not shown, for example, a programmable logic controller (PLC), each electrical coupling means 4 are arranged in the connection devices 1. The
Die in der
Die Aufsatzmodule 5 werden auf eine exemplarisch gestuft ausgebildete, bereichsweise ebene Kopplungsfläche 19 aufgesetzt, die quer zu den Montageflächen 18 ausgerichtet ist. In der Kopplungsfläche 19 sind Verbindungskanäle 20 für fluidische Verbindungen zwischen den Fluidkanälen 7 und den Anschlussstutzen 9 ausgebildet. Weiterhin sind in der Kopplungsfläche 19 Steckschächte 21 ausgebildet, die für elektrische Verbindungen zwischen den Aufsatzmodulen 5 und den elektrischen Kopplungseinrichtungen 4 eingerichtet sind. Die Verbindungskanäle 20 und die Steckschächte 21 verlaufen exemplarisch jeweils quer oder normal zur Kopplungsfläche 19.The attachment modules 5 are placed on an exemplarily stepped, partially
Der in der Anschlussplatte 3 ausgebildete Aufnahmeschacht 17 für die elektrische Kopplungseinrichtung 4 weist in einer nicht dargestellten, quer zur Aufreihungsachse 6 ausgerichteten Querschnittsebene einen unsymmetrischen Querschnitt auf. Vorzugsweise ist dieser Querschnitt längs der Aufreihungsachse 6 zumindest im Wesentlichen konstant. Die elektrische Kopplungseinrichtung 4 weist in der gleichen Querschnittsebene einen im Wesentlichen zum Aufnahmeschacht 17 korrespondierenden Querschnitt auf. Dadurch kann die Kopplungseinrichtung 4 längs der Aufreihungsachse 6 in den Aufnahmeschacht 17 eingeschoben werden. Um eine Festlegung der Kopplungseinrichtung 4 im Aufnahmeschacht 17 zu gewährleisten, sind exemplarisch mehrere Verriegelungseinrichtungen 22 vorgesehen, die insbesondere für eine lösbare Verriegelung der elektrischen Kopplungseinrichtung 4 in der Anschlussplatte 3 ausgebildet sind.Trained in the
Die Verriegelungseinrichtungen 22 werden beispielhaft durch Rastnasen 23 an der Anschlussplatte 3, die in den lichten oder freien Querschnitt des Aufnahmeschachts 17 hineinragen und durch korrespondierende, beispielsweise elastisch gelagerte Rastnasen 24 an der elektrischen Kopplungseinrichtung 4 gebildet. Vorzugsweise ist eine Montage der Kopplungseinrichtung 4 in die Anschlussplatte 3 werkzeuglos vorgesehen, eine Demontage der Kopplungseinrichtung 4 erfolgt beim vorliegenden Ausführungsbeispiel mit Hilfe eines nicht dargestellten Demontagewerkzeugs, das synchron alle Verriegelungseinrichtungen 22 entriegelt und damit eine Entnahme der Kopplungseinrichtung 4 ermöglicht. Um eine exakte Positionierung der Kopplungseinrichtung 4 im verrasteten Zustand in der Anschlussplatte 3 zu gewährleisten, ist ein Anschlagsteg 26 vorgesehen, an dem die Kopplungseinrichtung 4 beim Einrasten im Aufnahmeschacht 17 zu liegen kommt.The
Bei einer nicht dargestellten Ausführungsform der Erfindung weist der Aufnahmeschacht im Bereich einer der beiden Montageflächen eine im Wesentlichen geschlossene Wandung auf, die beispielsweise von einer Ausnehmung für die Kontaktmittel durchbrochen ist. Hierdurch kann eine einfache Festlegung der Montagerichtung für die elektrische Kopplungseinrichtung erzielt werden.In an embodiment of the invention, not shown, the receiving shaft in the region of one of the two mounting surfaces on a substantially closed wall, which is broken, for example, by a recess for the contact means. In this way, a simple determination of the mounting direction for the electrical coupling device can be achieved.
Im montierten Zustand der Kopplungseinrichtung 4 in der Anschlussplatte 3 kommen Seitenflächen 25 der Kopplungseinrichtung 4 zumindest im Wesentlichen flächenbündig mit den Montageflächen 18 der Anschlussplatte 3 zu liegen. Die an der Kopplungseinrichtung 4 stirnseitig vorgesehenen Steckbuchsen 28 liegen in der montierten Position der Kopplungseinrichtung 4 fluchtend unterhalb der Steckschächte 21, die in der Anschlussplatte 3 ausgebildet sind.In the mounted state of the
Das Aufsatzmodul 5 weist an einer den Steuerelementen 11 entgegengesetzten Stirnfläche exemplarisch zwei Stecker 29 auf, die jeweils einen beispielhaft zylindrisch ausgeführten Steckerkörper 30 und jeweils zwei aus dem Steckerkörper 30 abragende Steckzungen 31 umfassen. Bei der Montage des Aufsatzmoduls 5 auf die Anschlussplatte 3 durchsetzen die Steckerkörper 30 die korrespondierenden Steckschächte 21 und die Steckzungen 31 werden in die Steckbuchsen 28 der Kopplungseinrichtung 4 eingesteckt. Hierbei werden elektrische Kontakte zwischen dem Aufsatzmodul 5 und der Kopplungseinrichtung 4 hergestellt, durch die eine Übertragung von elektrischen Signalen und/oder elektrischer Leistung zwischen der Kopplungseinrichtung 4 und dem Aufsatzmodul 5 ermöglicht wird.The attachment module 5 has, on an end face opposite the
In der
Die ersten und zweiten Kontaktmittel 36, 37 sind längs der Aufreihungsachse 6 derart voneinander beabstandet, dass sich bei der Aneinanderreihung benachbarter fluidelektrischer Anschlussvorrichtungen 1 im eingesteckten Zustand der jeweiligen Kontaktmittel 36, 37 ein Abstand A ergibt, der gleich oder geringfügig kleiner als die Erstreckung t der Anschlussplatte 3 längs der Aufreihungsachse 6 ist. Vorzugsweise sind die Anschlussplatten 3 hinsichtlich ihrer Erstreckung längs der Aufreihungsachse 6 mit der festen Teilung t oder einem ganzzahligen Vielfachen der festen Teilung t ausgebildet.The first and second contact means 36, 37 are spaced apart along the line-
Bevorzugt ist auf der Leiterplatte 35 in elektrischer Hinsicht ein Versatz zwischen den ersten Kontaktmitteln 36 und den zweiten Kontaktmitteln 37 ausgebildet, so dass vorausgehende und nachfolgende fluidelektrische Anschlussvorrichtungen 1 mit einer sogenannten Z-Verkettung elektrisch miteinander verbunden sind.Preferably, an offset between the first contact means 36 and the second contact means 37 is formed on the printed
Für eine elektrische Ankopplung des Aufsatzmoduls 5 sind der oberen Gehäuseschale 32 schematisch als Federkontakte dargestellte dritte Kontaktmittel 40 zugeordnet, die bei der in
Die zweite Leiterplatte 41 umfasst beispielsweise eine aus mehreren elektrischen und elektronischen Komponenten aufgebaute Steuerungsschaltung 42, beispielsweise eine Haltestromabsenkungsschaltung und/oder eine Schaltung zur Verarbeitung von Sensorsignalen, sowie gegebenenfalls eine oder mehrere Leuchtdioden 43 zur Anzeige von Betriebszuständen.The second printed
Zwischen der ersten Leiterplatte 35 und der zweiten Leiterplatte 41 ist eine Steckverbindung vorgesehen, die aus einem Stecker 44 und einer Buchse 45 gebildet ist, die jeweils in einem Endbereich der jeweiligen Leiterplatte 35, 41 senkrecht zur Aufreihungsachse 6 ausgerichtet angeordnet sind.Between the
Die erste Leiterplatte 35 wird bei der Montage der elektrischen Kopplungseinrichtung 4 mit Hilfe von Rasthaken 46 und Anschlagflächen 47, 48 formschlüssig sowohl in Richtung der Aufreihungsachse 6 als auch in einer Raumrichtung quer hierzu, die in der
Die Beabstandung der zweiten Leiterplatte 41 gegenüber der ersten Leiterplatte 35 in der gemäß
Exemplarisch ist an der oberen Gehäuseschale 32 ein von der Seitenfläche 25 abragender Schutzkragen 50 ausgebildet, der die Kontaktmittel 36 zumindest teilweise, vorzugsweise vollständig, überragt und der im unmontierten Zustand der fluidelektrischen Anschlussvorrichtungen 1 eine Beschädigung der Kontaktmittel 36 zumindest weitgehend verhindert.By way of example, a
Die obere Gehäuseschale 32 und die untere Gehäuseschale 33 weisen jeweils korrespondierend ausgebildete Rastmittel auf, die eine werkzeuglose Montage ermöglichen. Die Rastmittel sind exemplarisch als Rasthaken 51 an der unteren Gehäuseschale 33 und als Ausnehmungen 52, die einen formschlüssigen Eingriff der Rasthaken 51 ermöglichen, an der oberen Gehäuseschale 32 ausgebildet.The
Die untere Gehäuseschale 33 weist in einer quer zur Aufreihungsachse 6 ausgerichteten, nicht dargestellten Querschnittsebene exemplarisch einen U-förmigen Querschnitt auf, wobei die U-Schenkel 53 jeweils U-förmig profiliert sind. Zusammen mit einem Quersteg 56, der trogförmig ausgebildet ist, weist somit die untere Gehäuseschale 33 eine hohe Formstabilität auf. Die obere Gehäuseschale 32 ist kastenartig aufgebaut und weist an den beiden einander entgegengesetzten Seitenflächen 25 jeweils nicht bezeichnete Ausnehmungen auf, die zur zumindest teilweisen Aufnahme der Kontaktmittel 36, 37 sowie des Schutzkragens 50 ausgebildet sind. An einander entgegengesetzten Schmalseiten 57, 58 der Gehäuseschalen 32, 33 sind die Rastnasen 24 exemplarisch jeweils an Biegebalken 59, 60 elastisch gelagert.The lower housing shell 33 has, in an aligned transversely to the
Eine in
Die in
Sowohl das in
Bei einer weiteren, nicht näher dargestellten Ausführungsform kann auf der ersten Leiterplatte, an der die Kontaktmittel festgelegt sind, eine oder mehrere elektronische Schaltungen angeordnet sein, die beispielsweise für die Ansteuerung von Magnetventilen und/oder für die Verarbeitung von Sensorsignalen ausgebildet sind.In a further, not shown embodiment, one or more electronic circuits may be arranged on the first circuit board to which the contact means are fixed, which are formed for example for the control of solenoid valves and / or for the processing of sensor signals.
Bevorzugt sind die obere Gehäuseschale und/oder die untere Gehäuseschale und/oder die Anschlussplatte aus Kunststoff hergestellt, insbesondere als Kunststoffspritzgussteile.Preferably, the upper housing shell and / or the lower housing shell and / or the connection plate are made of plastic, in particular as plastic injection molded parts.
Claims (13)
- Fluid-electric connecting device for a valve bank, comprising a connecting plate (3) having two opposite mounting surfaces (18) for lining up with further connecting plates (3) along a lining-up axis (6), wherein at least one fluid passage (7) for transferring a fluid and at least one accommodation shaft (17) for the accommodation of an electric coupling device (4; 104; 204) pass through the connecting plate (3) in such a way that the fluid passage (7) and the accommodation shaft (17) terminate at the two mounting surfaces (18), and further comprising an electric coupling device (4; 104; 204) including a printed circuit board (35) and electric contact means (36, 37) mounted thereon, wherein at least one electric contact means (36, 37) is assigned to each of the two mounting surfaces (18) for an electric coupling of coupling devices (4; 104; 204) arranged adjacent to one another along the lining-up axis (6), and wherein further contact means (28, 44) are designed for an electric contacting of an electric and/or fluidic mount-on module (5) which can be fitted to the connecting plate (3), characterised in that at least some sections of the printed circuit board (35) and the contact means (36, 37) are surrounded by a housing (34) which is designed for a mechanical connection between the electric coupling device (4; 104; 204) and the accommodation shaft (17).
- Fluid-electric connecting device according to claim 1, characterised in that the printed circuit board (35) and/or the contact means (36, 37) is/are positively located in the housing (34).
- Fluid-electric connecting device according to claim 1 or 2, characterised in that at least one locking device (22) designed for a releasable, in particular positive, location of the housing (34) on the connecting plate (3) is provided in the accommodation shaft (17).
- Fluid-electric connecting device according to claim 1, 2 or 3, characterised in that opposite side surfaces (25) of the housing (34) can be arranged to be at least substantially flush with the mounting surfaces (18) of the connecting plate (3).
- Fluid-electric connecting device according to claim 4, characterised in that a protective collar (50) which projects beyond the mounting surface (18) and is designed as a protective device for associated contact means (36) is provided on at least one side surface (25) of the housing (34).
- Fluid-electric connecting device according to any of the preceding claims, characterised in that the housing (34) is constructed of a least two housing parts (32, 33) which are preferably joined positively.
- Fluid-electric connecting device according to any of the preceding claims, characterised in that a distance between the opposite electric contact means (36, 37) corresponds to a widthways spacing (t) of the connecting plate (3) or to an integral multiple of the widthways spacing (t) of the connecting plate (3).
- Fluid-electric connecting device according to any of the preceding claims, characterised in that the electric coupling device (4; 104; 204) comprises a control and/or evaluation circuit (42), in particular for a valve device and/or for a sensor device.
- Fluid-electric connecting device according to claim 8, characterised in that the control and/or evaluation circuit (42) is formed on a separate printed circuit (41) which is electrically connected to the printed circuit board (35).
- Fluid-electric connecting device according to any of the preceding claims, characterised in that at least one accommodation shaft for a contact element (40) designed for an electric coupling between an electric and/or fluidic mount-on module (5) and the electric coupling device (4; 104; 204) is formed in the housing (34).
- Fluid-electric connecting device according to any of the preceding claims, characterised in that a cross-section of the accommodation shaft (17) in the connecting plate (3) and a cross-section of the electric coupling device (4; 104; 204) are profiled such that the coupling device (4; 104; 204) can only be installed into the accommodation shaft (17) with correct polarity.
- Valve bank for the control of at least one fluid stream, comprising a plurality of fluid-electric connecting devices according to any of the preceding claims, which are lined up along a lining-up axis (6), wherein adjacent connecting plates (3) contact one another with mounting surfaces (18) and electric coupling devices (4; 104; 204) are in electric contact with one another in order to ensure a transmission of control and/or sensor signals along the lining-up axis (6) between the fluid-electric connecting devices (1) and a control unit, and further comprising electric and/or fluidic mount-on modules (5) which are assigned to the respective connecting plates (3).
- Valve bank according to claim 12, characterised in that the electric coupling device (4; 104; 204) accommodated in the connecting plate (3) is designed such that its functionality can be matched to a functionality of the mount-on module (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20100013587 EP2441968B1 (en) | 2010-10-13 | 2010-10-13 | Fluid electric connection device and valve battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP20100013587 EP2441968B1 (en) | 2010-10-13 | 2010-10-13 | Fluid electric connection device and valve battery |
Publications (2)
Publication Number | Publication Date |
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EP2441968A1 EP2441968A1 (en) | 2012-04-18 |
EP2441968B1 true EP2441968B1 (en) | 2013-04-24 |
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Application Number | Title | Priority Date | Filing Date |
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EP20100013587 Active EP2441968B1 (en) | 2010-10-13 | 2010-10-13 | Fluid electric connection device and valve battery |
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EP (1) | EP2441968B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2996884B1 (en) | 2012-10-15 | 2015-02-06 | Asco Joucomatic Sa | ELECTROPNEUMATIC DISTRIBUTOR. |
DE102017002471A1 (en) | 2017-03-10 | 2018-09-13 | Hydac Systems & Services Gmbh | control device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19706636C2 (en) * | 1997-02-20 | 1998-12-10 | Festo Ag & Co | Electrical connection device for consumers arranged in a row, in particular solenoid valves |
ES2296117T3 (en) * | 2005-04-07 | 2008-04-16 | FESTO AG & CO. | ELECTROFLUIDIC CONTROL DEVICE. |
CN101198795B (en) * | 2006-04-13 | 2011-12-14 | 费斯托股份有限两合公司 | Modularization controller of, especially electricity-flow integration |
DE102006030039B4 (en) | 2006-06-29 | 2009-06-18 | Festo Ag & Co. Kg | valve means |
EP2047111B1 (en) | 2007-05-12 | 2011-04-20 | FESTO AG & Co. KG | Modular valve arrangement for different throughflow categories |
-
2010
- 2010-10-13 EP EP20100013587 patent/EP2441968B1/en active Active
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