EP1445493B1 - Electrically connecting assembly and electro-fluidic control device equiped therewith - Google Patents

Electrically connecting assembly and electro-fluidic control device equiped therewith Download PDF

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Publication number
EP1445493B1
EP1445493B1 EP03028329A EP03028329A EP1445493B1 EP 1445493 B1 EP1445493 B1 EP 1445493B1 EP 03028329 A EP03028329 A EP 03028329A EP 03028329 A EP03028329 A EP 03028329A EP 1445493 B1 EP1445493 B1 EP 1445493B1
Authority
EP
European Patent Office
Prior art keywords
linking
contact
contact means
connection device
contacts
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.)
Expired - Lifetime
Application number
EP03028329A
Other languages
German (de)
French (fr)
Other versions
EP1445493A1 (en
Inventor
Stephan Paech
Heiko Kühbauch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Festo SE and Co KG
Original Assignee
Festo SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Festo SE and Co KG filed Critical Festo SE and Co KG
Publication of EP1445493A1 publication Critical patent/EP1445493A1/en
Application granted granted Critical
Publication of EP1445493B1 publication Critical patent/EP1445493B1/en
Anticipated expiration legal-status Critical
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803Modular units
    • F15B13/0832Modular valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803Modular units
    • F15B13/0807Manifolds
    • F15B13/0814Monoblock manifolds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803Modular units
    • F15B13/0846Electrical details
    • F15B13/0857Electrical connecting means, e.g. plugs, sockets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803Modular units
    • F15B13/0846Electrical details
    • F15B13/0867Data bus systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803Modular units
    • F15B13/0878Assembly of modular units
    • F15B13/0885Assembly of modular units using valves combined with other components
    • F15B13/0889Valves combined with electrical components
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/22Contacts for co-operating by abutting
    • H01R13/24Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2442Contacts for co-operating by abutting resilient; resiliently-mounted with a single cantilevered beam
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22Bases, e.g. strip, block, panel
    • H01R9/24Terminal blocks
    • H01R9/26Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2675Electrical interconnections between two blocks, e.g. by means of busbars

Definitions

  • the invention relates to an electrical connection device for transmitting serial signals to and / or arranged in a row electrical loads, in particular electrically actuated valves, with a chaining extending in a modular electrical linkage, the successive in the linking direction and for producing a plurality of continuous electrical Connecting strands on the sides facing each other releasably electrically contacted chaining modules each having a planar extension and are aligned in a common concatenation, each linkage module at its opposite in the direction of chaining oriented end portions first and second contacting regions, in each of which a parallel to the concatenation plane transverse to the direction of interlinking row complementary to each other first or secondmaschinemi is provided, of which in the linking direction mutually opposite first and second contact means are connected in pairs with each other and wherein the linking modules on one side the linking level in each case have a third contacting region with third contact means connected to the paired first and second contact means and provided for contacting a consumer.
  • the invention further relates to an electrofluidic
  • a plurality of loads formed by electromagnetically operable valves are arranged in a row and are driven by electrical signals which are supplied via a modular electrical interconnecting line extending parallel to the row of consumers.
  • the daisy chain is composed of several, each associated with a consumer chaining modules, each having a circuit board as a carrier element, are soldered to the three electrical connector to form first, second and third contact means.
  • the plugs forming the first and second contact means face each other in the concatenation direction, wherein the first and second contact means are electrically connected in pairs so that serial signals can be looped through the interlinkage in a one-to-one concatenation.
  • the provided for the tapping to the consumer plug with third contact means is connected transversely to the linking direction via conductor tracks of the circuit board with the contact means of the other two connectors with respect to the other two connectors.
  • connection device is relatively expensive to manufacture and also has a large footprint, which is a hindrance to a desired reduction of the equipped with the connection device control unit.
  • the electrical linking strand consists of metallic contact lugs formed as electrical contacts, which are resilient in the linking direction.
  • the contacts are an integral part of the consumer to be controlled - here: valves - and come in the assembled state of the control unit at the same time to each other to the plant.
  • the resilient electrical contacts to the relevant consumer seem to be soldered directly. The associated production cost is again not low.
  • DE 197 06 636 C2 describes a connecting device which is used in an electrofluidic control device and which has a modular electrical linking strand in which the electrical contacts having the first and second contact means are in turn integral spring contacts.
  • this connection device is only suitable for parallel signal transmission, for which purpose the pairwise interconnected first and second contact means are arranged offset transversely to each other within the linking modules transversely to the linking direction.
  • no consumer-side tap is provided in the other connecting strands within the linking modules, so that corresponding third contact means absence.
  • the contacting of the consumers is not in the normal direction of the concatenation, but at right angles.
  • the first and second contact means are formed by the end portions between the first and second contacting portion extending integrally interlinked contacts and that the third contacting region in the linking direction between the first and second contacting region, wherein the third contact means of in the normal direction of the concatenation level pioneering contact surfaces of the interlinking contacts are formed, which are resiliently resilient when acted upon by a consumer-side mating contact surface in the normal direction of the concatenation.
  • an electrofluidic control unit having at least one electronic control module and with a plurality of electrically actuatable valves as consumers, wherein a connection device with the aforementioned features is provided for the electrical interlinking between the control module and the valves.
  • each chaining module is provided with a plurality of one-piece chaining contacts equipped, the opposite end portions of which form the first and second contact means, so that no electrical connection of the individual pairs of first and second contact means soldering connection with printed circuit boards is required.
  • the third contact means are also an integral part of the respectively assigned chaining contact, so that all three aforementioned contact means can be provided integrally by a single chaining contact. The manufacture and assembly of the individual linking modules is thus very simple and inexpensive.
  • a further advantage is the contact reliability achievable with the third contact means, which is attributable to the fact that these third contact means are formed directly by contact surfaces formed on the chaining contacts, which are aligned in the normal direction of the concatenation plane, so that they are in the contacting direction in the normal direction of the concatenation plane yield elastically and thereby build up a high contact reliability causing restoring force.
  • the third contacting area containing third contact means lies in the linking direction between the first and second contacting areas and consequently the three contacting areas are oriented quasi linearly in succession, which takes up considerably less space than that for example in EP 1 041 327 A2 described laterally offset arrangement.
  • the interlinking contacts as viewed in the normal direction of the interlinking plane, have a linear and thus very easily producible course. It is also expedient to arrange the third contact means in such a way that they likewise lie in a row parallel to the concatenation plane and extending transversely to the linking direction, this row of third contact means being parallel to the rows of first and second contact means.
  • the first and second contact means forming end portions of the interlinking contacts are expediently with first and second contact surfaces, which are oriented opposite to each other in the normal direction of the interlinking plane, so that they mutually engage under each other in the state of successive interlinking modules facing each other first and second contact surfaces in the linking direction.
  • a resulting advantage here is that the contacting force, as in the case of the third contact means, in the normal direction of the concatenation, so that by an associated support structure, such as a surrounding housing, the contacting forces are safely absorbed.
  • an associated support structure such as a surrounding housing
  • interlinking contacts are formed by spring clips, which are designed in particular as stamped and bent parts.
  • each linking module is assigned a housing of the connecting device, in which it can be locked in place.
  • This housing can, in particular releasably, be in communication with the consumer to be controlled.
  • FIG. 1 shows by way of example an electro-fluidic and preferably electropneumatic control unit 1, which has several in a row direction indicated by a double arrow Contains 2 consecutively arranged electrical loads 3.
  • the electrical consumers 3 are formed by electrically operable valves 3a, in particular of multiway valves, which contain at least one electric drive unit 4, for example an electromagnetically or piezoelectrically actuable pilot valve.
  • the electrical consumers 3 are combined in individual consumer modules 5, which contain four electrical consumers 3 by way of example.
  • Each consumer module 5 has a support block 6, on which the electrical consumers 3 are mounted, wherein the support blocks 6 are sealed together and have internal fluid channels, which lead to a mounting surface 7, where they are connected to the electrical loads 3 installed there.
  • FIG. 4 shows a consumer module 5 with consumers 3 removed, so that the assembly area 7 and the fluid channel openings 8 provided there are visible.
  • actuating fluid is in particular compressed air.
  • control unit 1 further device modules 13, at which may also be at least partially consumer modules - for example, such electrical type - and among which an electronic control module 14 is located in the embodiment.
  • the entire arrangement is expediently limited by end termination modules 15.
  • the entire assembly is held together by mechanical fasteners, not shown in detail, for example, between the individual modules effective fasteners or the entire module assembly passing through tie rods.
  • the control unit 1 is equipped with an electrical connection device 16, which serves for the transmission of serial electrical signals between the control module 14 and the individual electrical loads 3.
  • the connection device 16 includes a modular electrical interlinking line 18 extending in a linking direction 17 indicated by a double arrow, which contains a plurality of interlinking modules 22 connected successively to one another in the interlinking direction 17 and releasably electrically contacted on the mutually facing sides.
  • the linking direction 17 runs parallel to the row direction 2, with the linking strand 18 extending alongside the modules 5, 13, 14 or also, at least partially, being integrated into the same.
  • the control module 14 is capable of outputting serial signals via the daisy chain 18 all electrical consumers 3 or to the consumer modules summarized in the 5 consumer groups are sent to the consumers 3 or consumer modules 5 electronic evaluation means 23 are assigned, which can read the incoming signals according to the addressing assignment correct to them the addressed consumer to elicit to a specific action.
  • sensor or diagnostic signals coming from the consumers 3 can be transmitted back to the electronic control module 14 via the linkage 18.
  • the control module 14 includes electrical connection means 24 which allow coupling to a bus, which may be a serial or parallel data bus.
  • the control module 14 can be connected in this way to a higher-level electronic control and / or networked with other control devices.
  • the electronic evaluation means 23 are in the embodiment at least partially part of a board 25, wherein in the embodiment each have a plurality of electrical consumers 3 a common board 25 is assigned, which is connectable via an indicated electrical connection means 26 'with the associated consumers 3.
  • each consumer module 5 is associated with such a board 25 for the electrical consumers 3 contained in the respective module.
  • the electrical energy required for the operation can also be supplied to the individual consumers via the electrical linking strand 18.
  • the linking modules 22 each have a planar extension and preferably have a flat shape. In mutually contacted state they extend in a common concatenation 26th
  • Each linking module 22 has at its mutually opposite in the linking direction 17 end portions facing first and second Mullleiters Kunststoffe 27, 28, to which the Verkettungsmodule 5 are joined together in the linking direction 17, to a plurality of all Verkettungsmodule 22 across and independent from each other continuous electrical connection strands 32nd - indicated by dash-dotted lines in the drawing - to obtain.
  • Each connection string 32 communicates with the electronic control module 14 and is contacted with all electrical evaluation means 23.
  • the electrical connecting strands 32 preferably have a linear course, being parallel to one another and lying transversely to the linking direction 17 next to one another.
  • Each linking module 22 additionally has a third contacting region 29, which is located on the same side of the linking plane 26 in all linking modules 22 and at the same time lies with respect to the linking direction 17 between the first and second contacting regions 27, 28 of the associated linking module 22.
  • each linking module 22 has a plurality of first contact means 33 which are arranged in a row which extends transversely and in particular at right angles to the linking direction 17 and at the same time parallel to the linking plane 26.
  • the parallelism to the concatenation level implies an immediate progression in the concatenation level.
  • a parallel row of second electrical contact means 34 which is aligned in the same way as the aforementioned row of first contact means 33, is located in the second contacting region 28 of a respective linking module 22.
  • Each interlinking module 22 includes a plurality of one-piece interlinking contacts 36 that are elongated in shape and aligned in the interlinking direction 17. They lie side by side transversely to the linking direction 17 and extend in a common plane, which is parallel to the concatenation plane 26.
  • the chaining contacts 36 are identical to each other.
  • the first and second contact means 33, 34 are provided directly on the interlinking contacts 36.
  • Each interlinking contact 36 is provided at one end with a first contact means 33 and at the other end with a second contact means 34.
  • the first and second contact means 33, 34 are formed directly by the end portions 37 of the one-piece interlinking contacts 36. Consequently, the first and second contact means 33, 34 are electrically connected to each other in pairs by a respective interlinking contact 36, wherein the first and second contact means 33, 34 of a respective Concatenation contact 36 facing each other in the linking direction 17.
  • the first and second contact means 33, 34 are complementary to each other, which is to say that they are suitable to be able to enter into a mutual electrical connection.
  • the linking modules 22 can be plugged together, as already mentioned, wherein the first contact means 33 of the respective one linking module 22 are contacted with the second contact means 34 of the respective subsequent linking module, wherein the corresponding zones are designated as plug-in zones 38, because the contacting in the embodiment by a mating the adjacent chaining modules 22 is caused.
  • third contact means 35 are provided, which in turn are provided directly on the linking contacts 36. They are formed by formed on the interlinking contacts 36 third contact surfaces 44, which are oriented in the direction indicated by a double arrow normal direction 45 of the concatenation 26 and thereby point away from the concatenation 26. The normal direction of the third contact surface 44 thus coincides with the normal direction 45 of the concatenation plane 26.
  • a third contact surface 44 is in electrical contact with a consumer-side mating contact surface 46 which acts on it.
  • a number of mating contact surfaces 46 corresponding to the number of third contact surfaces 44 is located on each circuit board 25, juxtaposed in a row are arranged and press according to arrow 49 on each of a third contact surface 44, when the board 25 is attached in parallel to the concatenation level 26 alignment in the region of the third contact means 35 laterally to the associated interlinking module 22.
  • a secure connection between the mating contact surfaces 46 and the third contact surfaces 44 is ensured by the third contact surfaces 44 are elastically resilient in the normal direction 45 of the concatenation 26 and are deflected in the normal direction 45 with installed board 25 by the abutting contact surfaces 46, so that a resilient restoring force builds up, with which a respective third contact surface 44 is pressed firmly against the associated mating contact surface 46.
  • the elongated interlinking contacts 36 are preferably formed as stamped and bent parts and consist of an electrically conductive material, in particular of bronze.
  • the interlinking contacts 36 are held by a preferably made of plastic material plate-like support member 47, with which each interlinking module 22 is equipped and which is equipped with the interlinking contacts 36.
  • the plate-like carrier element 47 has a plurality of mutually parallel receiving grooves 48 running in the linking direction 17 and into which the interlinking contacts 36 are inserted.
  • the receiving grooves 48 are located on that side surface of the support member 47, on which the third contact surfaces 44 are provided.
  • the linking contacts 36 are preferably spring clips which have two first and second contact arms 52, 53 lying in the linking direction 17 on both sides of the third contact means 44, on which the first and second contact means 33, 34 are provided and between which a bump-like bent length portion 54 of the respective interlinking contact 36 is located, the convex surface of which forms the third contact surface 44.
  • Each receiving groove 48 is formed at the height of the hump-like length portion 54 with a hump-like elevation 55, which may overlap the hump-like length portion 54.
  • the first contact arm 52 of a respective interlinking contact 36 passes through the carrier element 47, which is provided with a corresponding opening 56.
  • the first and second contact means 33, 34, with respect to the concatenation plane 26, are located on mutually opposite sides of the carrier element 47.
  • the carrier element 47 passing through the first contact arm 52 is supported by the opening 56 delimiting the concatenation 17 edge portions 57 a, 57 b of the support member 47 from opposite sides in the normal direction 45 and is thereby fixed in the support member 47.
  • the two edge regions 57a, 57b form two contact points for the first contact arm 52 and form a bending moment receiver for the end region of the first contact arm 52 projecting beyond it.
  • This end region is exposed on the rear side facing the carrier element 27 in the state not connected with another linking module 22, in that the carrier element 47 has a groove-like depression 58 there.
  • At this end portion is a first contact surface 42 which is oriented opposite to the third contact surface 44.
  • the second contact arm 53 is slightly pushed in the region of its second contact means 34 forming end portion 37 to the support member 47 and supported by this. At this end portion 37 is a belonging to the second contact means 34 second contact surface 43, which is oriented opposite to the first contact surface 42 and rectified with the third contact surface 44.
  • the interlinking contacts 36 are supported by the aforementioned bearing on both sides of the third contact means 35 in the normal direction 45.
  • This is a three-point support, on the one hand by the two edge regions 57a, 57b of the aperture 56 and on the other by the support of the second contact means 34 on the support member 47.
  • This latter third support point is designed so that the concatenation contact 36 at the same time is fixed in the linking direction 17 with respect to the support member 47.
  • the carrier element 47 also has the function of an electrical insulator.
  • the end portions 37 of the interlinking contacts 36 present there instead of being contacted with a interlinking contact 36 of a following interlinking module 22, can also be contacted directly on contact surfaces of a printed circuit board. This happens in particular in the connection area (not shown in detail in the drawing) to the electronic control module 14, where the signals are fed in. One can thereby the signals and the Supply supply voltage inexpensively in the daisy chain 18.
  • the third contact means 35 are expediently arranged in a row parallel to the rows of the first and second contact means 33, 34. However, the position of the third contact means 35 may well also vary in the linking direction, if special requirements with regard to the arrangement of the mating contact surfaces 46 are to be met by a special configuration of the board 25.
  • each contact part 62a, 62b is provided with third contact surfaces 44, which are formed corresponding to those of the one-piece interlinking contacts 36.
  • At least one of the contact parts 62b is formed on the end section forming a contact means, in particular by broadening, in such a way that the first and second contact means 33, 34 as in the one-piece interlinking contacts 36, on lie in the linking direction 17 line.
  • each linking module 22 is conveniently housed in a housing 63.
  • the housing 63 is suitably detachably connected to the carrier block 6. It may have raised walls 64 so that it can simultaneously accommodate the electronic evaluation means 23.
  • the linking module 22 is fixed in particular by latching in the associated housing 63.
  • the housing At the two sides oriented in the linking direction 17, the housing in each case has a transverse slot 65, through which the linking module 22 accommodated in the housing 63 can protrude with its first and second contacting regions 27, 28.
  • the height of the transverse slot 65 is selected so that when mating the housing 63 equipped with the linking modules 22, the mutually facing first and second contacting regions 27, 28 of the respectively adjacent linking module 22 can also reach through.
  • the linking module 22 is pushed through one of the transverse slots 65 into the housing 63 until it is locked in the housing 63 and thereby fixed immovably in the linking direction 17.
  • the support member 47 is provided on its two longitudinal sides, each with a resilient latching hook 66 which can engage behind a fixed housing stop member 67.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Water Treatment By Sorption (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Micromachines (AREA)

Abstract

The electrical connector has first and second contact arrangements (34) formed by end sections of a one-piece chain contact extending between first and second contacting regions (27,28) and a third contact region (29) lies between the first and second contact regions in the chain direction (17). A third contact arrangement (35) is formed by chain contact surfaces diverging from the plane (26) of the chain in the normal direction. An independent claim is also included for the following: (a) an electrofluidic controller with at least one electronic control module.

Description

Die Erfindung betrifft eine elektrische Anschlussvorrichtung zur Übermittlung serieller Signale zu und/oder von in einer Reihe angeordneten elektrischen Verbrauchern, insbesondere elektrisch betätigbare Ventile, mit einem sich in einer Verkettungsrichtung erstreckenden modularen elektrischen Verkettungsstrang, der mehrere in der Verkettungsrichtung aufeinanderfolgende und zur Herstellung mehrerer durchgehender elektrischer Verbindungsstränge an den einander zugewandten Seiten miteinander lösbar elektrisch kontaktierte Verkettungsmodule enthält, die jeweils eine flächenhafte Ausdehnung haben und in einer gemeinsamen Verkettungsebene ausgerichtet sind, wobei jedes Verkettungsmodul an seinen einander entgegengesetzt in der Verkettungsrichtung orientierten Endabschnitten erste und zweite Kontaktierungsbereiche aufweist, in denen jeweils eine parallel zur Verkettungsebene quer zur Verkettungsrichtung verlaufende Reihe zueinander komplementärer erster beziehungsweise zweiter Kontaktmittel vorgesehen ist, von denen die in der Verkettungsrichtung einander jeweils gegenüberliegenden ersten und zweiten Kontaktmittel paarweise miteinander verbunden sind und wobei die Verkettungsmodule auf einer Seite der Verkettungsebene jeweils einen dritten Kontaktierungsbereich mit mit den paarweise verbundenen ersten und zweiten Kontaktmitteln verbundenen und zur Kontaktierung eines Verbrauchers vorgesehenen dritten Kontaktmitteln aufweisen. Die Erfindung betrifft ferner ein mit einer solchen elektrischen Anschlussvorrichtung ausgestattetes elektrofluidisches Steuergerät.The invention relates to an electrical connection device for transmitting serial signals to and / or arranged in a row electrical loads, in particular electrically actuated valves, with a chaining extending in a modular electrical linkage, the successive in the linking direction and for producing a plurality of continuous electrical Connecting strands on the sides facing each other releasably electrically contacted chaining modules each having a planar extension and are aligned in a common concatenation, each linkage module at its opposite in the direction of chaining oriented end portions first and second contacting regions, in each of which a parallel to the concatenation plane transverse to the direction of interlinking row complementary to each other first or second Kontaktmi is provided, of which in the linking direction mutually opposite first and second contact means are connected in pairs with each other and wherein the linking modules on one side the linking level in each case have a third contacting region with third contact means connected to the paired first and second contact means and provided for contacting a consumer. The invention further relates to an electrofluidic control device equipped with such an electrical connection device.

Bei einer in der EP 1 041 327 A2 beschriebenen Anordnung dieser Art sind mehrere von elektromagnetisch betätigbaren Ventilen gebildete Verbraucher in einer Reihe angeordnet und werden von elektrischen Signalen angesteuert, die über einen sich parallel zu der Reihe der Verbraucher erstreckenden modularen elektrischen Verkettungsstrang zugeführt werden. Der Verkettungsstrang setzt sich aus mehreren, jeweils einem Verbraucher zugeordneten Verkettungsmodulen zusammen, die jeweils eine Leiterplatte als Trägerelement aufweisen, an die drei elektrische Stecker zur Bildung erster, zweiter und dritter Kontaktmittel angelötet sind. Die die ersten und zweiten Kontaktmittel bildenden Stecker liegen einander in der Verkettungsrichtung gegenüber, wobei die ersten und zweiten Kontaktmittel paarweise so elektrisch miteinander verbunden sind, dass serielle Signale in einer 1:1-Verkettung pingleich durch den Verkettungsstrang hindurchschleifbar sind. Der für den Abgriff zum Verbraucher vorgesehene Stecker mit dritten Kontaktmitteln ist bezüglich den beiden anderen Steckern quer zur Verkettungsrichtung versetzt über Leiterbahnen der Leiterplatte mit den Kontaktmitteln der beiden anderen Stecker verbunden.In an arrangement of this type described in EP 1 041 327 A2, a plurality of loads formed by electromagnetically operable valves are arranged in a row and are driven by electrical signals which are supplied via a modular electrical interconnecting line extending parallel to the row of consumers. The daisy chain is composed of several, each associated with a consumer chaining modules, each having a circuit board as a carrier element, are soldered to the three electrical connector to form first, second and third contact means. The plugs forming the first and second contact means face each other in the concatenation direction, wherein the first and second contact means are electrically connected in pairs so that serial signals can be looped through the interlinkage in a one-to-one concatenation. The provided for the tapping to the consumer plug with third contact means is connected transversely to the linking direction via conductor tracks of the circuit board with the contact means of the other two connectors with respect to the other two connectors.

Diese bekannte Anschlussvorrichtung ist relativ aufwendig in der Herstellung und hat auch einen großen Platzbedarf, der bei einer angestrebten Verkleinerung des mit der Anschlussvorrichtung ausgestatteten Steuergerätes hinderlich ist.This known connection device is relatively expensive to manufacture and also has a large footprint, which is a hindrance to a desired reduction of the equipped with the connection device control unit.

Bei einer aus der DE 198 01 234 C2 bekannten Anordnung besteht der elektrische Verkettungsstrang aus als metallische Kontaktfahnen ausgebildeten elektrischen Kontakten, die in der Verkettungsrichtung federelastisch ausgebildet sind. Die Kontakte sind fester Bestandteil des jeweils anzusteuernden Verbrauchers - hier: Ventile - und kommen im zusammengebauten Zustand des Steuergerätes pingleich aneinander zur Anlage. Zur Kontaktierung des jeweiligen Verbrauchers scheinen die federnden elektrischen Kontakte an den betreffenden Verbraucher direkt angelötet zu sein. Der damit verbundene Herstellungsaufwand ist wiederum nicht gering.In an arrangement known from DE 198 01 234 C2, the electrical linking strand consists of metallic contact lugs formed as electrical contacts, which are resilient in the linking direction. The contacts are an integral part of the consumer to be controlled - here: valves - and come in the assembled state of the control unit at the same time to each other to the plant. For contacting the respective consumer, the resilient electrical contacts to the relevant consumer seem to be soldered directly. The associated production cost is again not low.

Schließlich beschreibt die DE 197 06 636 C2 eine bei einem elektrofluidischen Steuergerät zur Anwendung gelangende Anschlussvorrichtung, die einen modularen elektrischen Verkettungsstrang aufweist, bei dem die die ersten und zweiten Kontaktmittel aufweisenden elektrischen Kontakte wiederum einstückige Federkontakte sind. Allerdings ist diese Anschlussvorrichtung nur zur parallelen Signalübertragung geeignet, zu welchem Zweck die paarweise miteinander verbundenen ersten und zweiten Kontaktmittel innerhalb der Verkettungsmodule quer zur Verkettungsrichtung versetzt zueinander angeordnet sind. Mit Ausnahme eines die Masse bildenden Verbindungsstranges ist bei den anderen Verbindungssträngen innerhalb der Verkettungsmodule kein verbraucherseitiger Abgriff vorgesehen, sodass entsprechende dritte Kontaktmittel fehlen. Zudem erfolgt die Kontaktierung der Verbraucher nicht in der Normalenrichtung der Verkettungsebene, sondern rechtwinkelig dazu.Finally, DE 197 06 636 C2 describes a connecting device which is used in an electrofluidic control device and which has a modular electrical linking strand in which the electrical contacts having the first and second contact means are in turn integral spring contacts. However, this connection device is only suitable for parallel signal transmission, for which purpose the pairwise interconnected first and second contact means are arranged offset transversely to each other within the linking modules transversely to the linking direction. With the exception of a connecting strand forming the mass, no consumer-side tap is provided in the other connecting strands within the linking modules, so that corresponding third contact means absence. In addition, the contacting of the consumers is not in the normal direction of the concatenation, but at right angles.

Es ist die Aufgabe der vorliegenden Erfindung, eine elektrische Anschlussvorrichtung, insbesondere als Bestandteil eines elektrofluidischen Steuergerätes zu schaffen, die sich durch eine kostengünstigere und platzsparendere Bauweise auszeichnet.It is the object of the present invention to provide an electrical connection device, in particular as part of an electro-fluidic control device, which is characterized by a more cost-effective and space-saving design.

Zur Lösung dieser Aufgabe ist vorgesehen, dass die ersten und zweiten Kontaktmittel von den Endabschnitten sich zwischen dem ersten und zweiten Kontaktierungsbereich erstreckender einstückiger Verkettungskontakte gebildet sind und dass der dritte Kontaktierungsbereich in der Verkettungsrichtung zwischen dem ersten und zweiten Kontaktierungsbereich liegt, wobei die dritten Kontaktmittel von in der Normalenrichtung von der Verkettungsebene wegweisenden Kontaktflächen der Verkettungskontakte gebildet sind, die bei Beaufschlagung durch eine verbraucherseitige Gegenkontaktfläche in der Normalenrichtung der Verkettungsebene federelastisch nachgiebig sind.To achieve this object, it is provided that the first and second contact means are formed by the end portions between the first and second contacting portion extending integrally interlinked contacts and that the third contacting region in the linking direction between the first and second contacting region, wherein the third contact means of in the normal direction of the concatenation level pioneering contact surfaces of the interlinking contacts are formed, which are resiliently resilient when acted upon by a consumer-side mating contact surface in the normal direction of the concatenation.

Die Aufgabe wird ferner gelöst durch ein elektrofluidisches Steuergerät mit mindestens einem elektronischen Steuerungsmodul und mit mehreren elektrisch betätigbaren Ventilen als Verbraucher, wobei zur elektrischen Verkettung zwischen dem Steuerungsmodul und den Ventilen eine Anschlussvorrichtung mit den vorgenannten Merkmalen vorgesehen ist.The object is further achieved by an electrofluidic control unit having at least one electronic control module and with a plurality of electrically actuatable valves as consumers, wherein a connection device with the aforementioned features is provided for the electrical interlinking between the control module and the valves.

Bei der erfindungsgemäßen Anschlussvorrichtung ist jedes Verkettungsmodul mit einer Mehrzahl einstückiger Verkettungskontakte ausgestattet, deren einander entgegengesetzte Endabschnitte die ersten und zweiten Kontaktmittel bilden, sodass zur elektrischen Kontaktierung der einzelnen Paare erster und zweiter Kontaktmittel keine Lötverbindung mit Leiterplatten erforderlich ist. Hinzu kommt, dass auch die dritten Kontaktmittel einstückiger Bestandteil des jeweils zugeordneten Verkettungskontaktes sind, sodass durch einen einzigen Verkettungskontakt integral jeweils sämtliche drei vorerwähnten Kontaktmittel bereitgestellt werden können. Die Herstellung und Montage der einzelnen Verkettungsmodule gestaltet sich somit sehr einfach und kostengünstig. Ein großer Vorteil ist weiterhin die mit den dritten Kontaktmitteln erzielbare Kontaktsicherheit, was darauf zurückzuführen ist, dass diese dritten Kontaktmittel unmittelbar von an den Verkettungskontakten ausgebildeten Kontaktflächen gebildet sind, die in der Normalenrichtung der Verkettungsebene ausgerichtet sind, sodass sie beim Kontaktierungsvorgang in der Normalenrichtung der Verkettungsebene federelastisch nachgeben können und dabei eine die hohe Kontaktsicherheit hervorrufende Rückstellkraft aufbauen. Schließlich ergibt sich eine sehr kompakte Anordnung, bei der der die dritten Kontaktmittel enthaltende dritte Kontaktierungsbereich in der Verkettungsrichtung zwischen den ersten und zweiten Kontaktierungsbereichen liegt und mithin die drei Kontaktierungsbereiche quasi linear aufeinanderfolgend ausgerichtet sind, was wesentlich weniger Platz beansprucht als die beispielsweise in der EP 1 041 327 A2 beschriebene, seitlich versetzte Anordnung.In the connection device according to the invention, each chaining module is provided with a plurality of one-piece chaining contacts equipped, the opposite end portions of which form the first and second contact means, so that no electrical connection of the individual pairs of first and second contact means soldering connection with printed circuit boards is required. In addition, the third contact means are also an integral part of the respectively assigned chaining contact, so that all three aforementioned contact means can be provided integrally by a single chaining contact. The manufacture and assembly of the individual linking modules is thus very simple and inexpensive. A further advantage is the contact reliability achievable with the third contact means, which is attributable to the fact that these third contact means are formed directly by contact surfaces formed on the chaining contacts, which are aligned in the normal direction of the concatenation plane, so that they are in the contacting direction in the normal direction of the concatenation plane yield elastically and thereby build up a high contact reliability causing restoring force. Finally, a very compact arrangement results in which the third contacting area containing third contact means lies in the linking direction between the first and second contacting areas and consequently the three contacting areas are oriented quasi linearly in succession, which takes up considerably less space than that for example in EP 1 041 327 A2 described laterally offset arrangement.

Vorteilhafte Weiterbildungen der Erfindung gehen aus den Unteransprüchen hervor.Advantageous developments of the invention will become apparent from the dependent claims.

Es ist von Vorteil, wenn die Verkettungskontakte, mit Blickrichtung in der Normalenrichtung der Verkettungsebene gesehen, einen linearen und somit sehr leicht herstellbaren Verlauf haben. Zweckmäßig ist es ferner, die dritten Kontaktmittel so anzuordnen, dass sie ebenfalls in einer zur Verkettungsebene parallelen und quer zur Verkettungsrichtung verlaufenden Reihe liegen, wobei diese Reihe dritter Kontaktmittel parallel zu den Reihen erster und zweiter Kontaktmittel verläuft.It is advantageous if the interlinking contacts, as viewed in the normal direction of the interlinking plane, have a linear and thus very easily producible course. It is also expedient to arrange the third contact means in such a way that they likewise lie in a row parallel to the concatenation plane and extending transversely to the linking direction, this row of third contact means being parallel to the rows of first and second contact means.

Für gewisse Ansteuer- und/oder Diagnosefunktionen kann es erforderlich sein, vereinzelte Verkettungskontakte nicht durchgängig auszubilden, sodass die elektrischen Signale zwingend den angeschlossenen Verbraucher durchlaufen müssen. In diesem Fall kann zusätzlich zu den einstückigen Verkettungskontakten mindestens ein unterbrochener Verkettungskontakt vorgesehen sein, wobei dann die beiden sich ergebenden Kontaktteile jeweils ein federelastisches drittes Kontaktmittel bilden, sodass die Kontaktierung zu den benachbarten Verkettungsmodulen und auch zum zugeordneten Verbraucher nach der gleichen Technik wie bei den einstückigen, durchgehenden Verkettungskontakten abläuft.For certain control and / or diagnostic functions, it may be necessary to make isolated chaining contacts non-continuous, so that the electrical signals must necessarily pass through the connected consumer. In this case, in addition to the one-piece interlinking contacts at least one intermittent interlinking contact can be provided, in which case the two resulting contact parts each form a resilient third contact means, so that the contact with the adjacent interlinking modules and also to the associated consumer according to the same technique as in the one-piece , continuous chaining contacts expires.

Es besteht im Übrigen auch die Möglichkeit, zwischen benachbarte Verkettungsmodule besondere Zwischen-Verkettungsmodule einzuschalten, bei denen die Verkettungskontakte keine dritten Kontaktmittel aufweisen oder die beispielsweise für eine Zwischeneinspeisung elektrischer Signale ausgebildet sind.Incidentally, there is also the possibility of switching between adjacent linking modules special intermediate linking modules, in which the linking contacts have no third contact means or which are formed, for example, for an intermediate supply of electrical signals.

Die die ersten und zweiten Kontaktmittel bildenden Endabschnitte der Verkettungskontakte sind zweckmäßigerweise mit ersten bzw. zweiten Kontaktflächen ausgestattet, die einander entgegengesetzt in der Normalenrichtung der Verkettungsebene orientiert sind, sodass sie sich im mit einander kontaktierten Zustand aufeinanderfolgender Verkettungsmodule mit einander zugewandten ersten und zweiten Kontaktflächen in der Verkettungsrichtung gegenseitig untergreifen. Ein sich hier ergebender Vorteil besteht darin, dass die Kontaktierungskraft, wie im Falle der dritten Kontaktmittel, in der Normalenrichtung der Verkettungsebene verläuft, sodass durch eine zugeordnete Abstützstruktur, beispielsweise ein umgebendes Gehäuse, die Kontaktierungskräfte sicher aufgenommen werden. Dadurch ist eine sehr flache Ausführung der Steckzone zwischen aufeinanderfolgenden Verkettungsmodulen möglich.The first and second contact means forming end portions of the interlinking contacts are expediently with first and second contact surfaces, which are oriented opposite to each other in the normal direction of the interlinking plane, so that they mutually engage under each other in the state of successive interlinking modules facing each other first and second contact surfaces in the linking direction. A resulting advantage here is that the contacting force, as in the case of the third contact means, in the normal direction of the concatenation, so that by an associated support structure, such as a surrounding housing, the contacting forces are safely absorbed. As a result, a very flat design of the plug-in zone between successive chaining modules is possible.

Es ist besonders vorteilhaft, wenn die Verkettungskontakte von Federbügeln gebildet sind, die insbesondere als Stanz-Biege-Teile ausgeführt sind.It is particularly advantageous if the interlinking contacts are formed by spring clips, which are designed in particular as stamped and bent parts.

Zweckmäßigerweise ist jedem Verkettungsmodul ein Gehäuse der Anschlussvorrichtung zugeordnet, in dem es verrastend fixierbar ist. Dieses Gehäuse kann, insbesondere lösbar, mit dem anzusteuernden Verbraucher in Verbindung stehen.Expediently, each linking module is assigned a housing of the connecting device, in which it can be locked in place. This housing can, in particular releasably, be in communication with the consumer to be controlled.

Nachfolgend wird die Erfindung anhand der beiliegenden Zeichnung erläutert. Es zeigen im Einzelnen:

Figur 1
eine mögliche Ausführungsform eines elektrofluidischen Steuergerätes, das mit einer bevorzugten Bauform der elektrischen Anschlussvorrichtung ausgestattet ist,
Figur 2
einen Ausschnitt aus der Anordnung gemäß Figur 1 im Längsschnitt gemäß Schnittlinie II-II, wobei ein Verkettungsmodul gezeigt ist, das sowohl mit zwei benachbarten weiteren Verkettungsmodulen als auch mit einem oder mehreren Verbrauchern kontaktiert ist,
Figur 3
die Anordnung aus Figur 2 in einer explosionsartigen Darstellung zur Verdeutlichung des Zustandes vor der Kontaktierung,
Figur 4
eine Draufsicht auf die Anordnung aus Figur 1, wobei lediglich ein Verbrauchermodul gezeigt ist, das mit mehreren Verbrauchern ausgestattet werden kann, die jedoch nicht dargestellt sind,
Figur 5
einen Ausschnitt des Verkettungsstranges der elektrischen Anschlussvorrichtung, wobei drei aufeinanderfolgende Verkettungsmodule im voneinander getrennten Zustand gezeigt sind,
Figur 6
ein einzelnes Verkettungsmodul in perspektivischer Darstellung, und
Figur 7
das Verkettungsmodul aus Figur 6 in einer Explosionsdarstellung, wobei die Verkettungskontakte getrennt von einem zugeordneten plattenartigen Trägerelement des Verkettungsmoduls abgebildet sind.
The invention will be explained with reference to the accompanying drawings. They show in detail:
FIG. 1
a possible embodiment of an electro-fluidic control device, which is equipped with a preferred design of the electrical connection device,
FIG. 2
1 a section from the arrangement according to FIG. 1 in longitudinal section along section line II-II, showing a linking module which is contacted both with two adjacent further linking modules and with one or more consumers,
FIG. 3
2 shows the arrangement from FIG. 2 in an exploded view to clarify the state before the contacting,
FIG. 4
1 shows a top view of the arrangement of FIG. 1, with only one consumer module being able to be equipped with a plurality of consumers, which are not illustrated, however;
FIG. 5
a detail of the chain of links of the electrical connection device, wherein three successive chaining modules are shown in a separate state,
FIG. 6
a single chaining module in perspective, and
FIG. 7
the chaining module of Figure 6 in an exploded view, wherein the chaining contacts are shown separately from an associated plate-like support member of the chaining module.

Die Figur 1 zeigt exemplarisch ein elektrofluidisches und vorzugsweise elektropneumatisches Steuergerät 1, das mehrere in einer durch einen Doppelpfeil angedeuteten Reihenrichtung 2 aufeinanderfolgend angeordnete elektrische Verbraucher 3 enthält. Beim Ausführungsbeispiel sind die elektrischen Verbraucher 3 von elektrisch betätigbaren Ventilen 3a gebildet, und zwar insbesondere von Mehrwegeventilen, die mindestens eine elektrische Antriebseinheit 4 enthalten, beispielsweise ein elektromagnetisch oder piezoelektrisch betätigbares Vorsteuerventil.FIG. 1 shows by way of example an electro-fluidic and preferably electropneumatic control unit 1, which has several in a row direction indicated by a double arrow Contains 2 consecutively arranged electrical loads 3. In the exemplary embodiment, the electrical consumers 3 are formed by electrically operable valves 3a, in particular of multiway valves, which contain at least one electric drive unit 4, for example an electromagnetically or piezoelectrically actuable pilot valve.

Beim Ausführungsbeispiel sind die elektrischen Verbraucher 3 in einzelnen Verbrauchermodulen 5 zusammengefasst, die exemplarisch vier elektrische Verbraucher 3 enthalten. Jedes Verbrauchermodul 5 hat einen Trägerblock 6, auf dem die elektrischen Verbraucher 3 montiert sind, wobei die Trägerblöcke 6 abgedichtet aneinandergesetzt sind und über interne Fluidkanäle verfügen, die zu einer Bestückungsfläche 7 ausmünden, wo sie mit den dort installierten elektrischen Verbrauchern 3 in Verbindung stehen.In the exemplary embodiment, the electrical consumers 3 are combined in individual consumer modules 5, which contain four electrical consumers 3 by way of example. Each consumer module 5 has a support block 6, on which the electrical consumers 3 are mounted, wherein the support blocks 6 are sealed together and have internal fluid channels, which lead to a mounting surface 7, where they are connected to the electrical loads 3 installed there.

Die Figur 4 zeigt ein Verbrauchermodul 5 bei abgenommenen Verbrauchern 3, sodass die Bestückungsfläche 7 und die dort vorgesehenen Fluidkanalmündungen 8 sichtbar sind.FIG. 4 shows a consumer module 5 with consumers 3 removed, so that the assembly area 7 and the fluid channel openings 8 provided there are visible.

An einer Seitenfläche des Trägerblockes 6 münden Verbraucherkanäle 12 aus, die von den Ventilen 3a angesteuert werden, sodass angeschlossene Verbraucher, beispielsweise fluidbetätigte Antriebe, mit einem Betätigungsfluid versorgt werden können. Bei dem Betätigungsfluid handelt es sich insbesondere um Druckluft.On a side surface of the support block 6 open consumer channels 12, which are controlled by the valves 3a, so that connected consumers, such as fluid-operated drives, can be supplied with an actuating fluid. The actuating fluid is in particular compressed air.

Zusätzlich zu einer beliebigen Anzahl von Verbrauchermodulen 5 enthält das Steuergerät 1 weitere Gerätemodule 13, bei denen es sich zumindest teilweise ebenfalls um Verbrauchermodule handeln kann - beispielweise auch solche elektrischer Art - und unter denen sich beim Ausführungsbeispiel ein elektronisches Steuerungsmodul 14 befindet. Die gesamte Anordnung wird zweckmäßigerweise durch endseitige Abschlussmodule 15 begrenzt. Die gesamte Anordnung wird durch nicht näher dargestellte mechanische Verbindungsmittel zusammengehalten, beispielsweise zwischen den einzelnen Modulen wirksame Befestigungsmittel oder die gesamte Modulanordnung durchsetzende Zuganker.In addition to any number of consumer modules 5, the control unit 1 further device modules 13, at which may also be at least partially consumer modules - for example, such electrical type - and among which an electronic control module 14 is located in the embodiment. The entire arrangement is expediently limited by end termination modules 15. The entire assembly is held together by mechanical fasteners, not shown in detail, for example, between the individual modules effective fasteners or the entire module assembly passing through tie rods.

Das Steuergerät 1 ist mit einer elektrischen Anschlussvorrichtung 16 ausgestattet, die zur Übermittlung serieller elektrischer Signale zwischen dem Steuerungsmodul 14 und den einzelnen elektrischen Verbrauchern 3 dient. Die Anschlussvorrichtung 16 enthält einen sich in einer durch einen Doppelpfeil angedeuteten Verkettungsrichtung 17 erstreckenden modularen elektrischen Verkettungsstrang 18, der mehrere in der Verkettungsrichtung 17 aufeinanderfolgende und an den einander zugewandten Seiten miteinander lösbar elektrisch kontaktierte Verkettungsmodule 22 enthält.The control unit 1 is equipped with an electrical connection device 16, which serves for the transmission of serial electrical signals between the control module 14 and the individual electrical loads 3. The connection device 16 includes a modular electrical interlinking line 18 extending in a linking direction 17 indicated by a double arrow, which contains a plurality of interlinking modules 22 connected successively to one another in the interlinking direction 17 and releasably electrically contacted on the mutually facing sides.

Die Verkettungsrichtung 17 verläuft parallel zur Reihenrichtung 2, wobei der Verkettungsstrang 18 neben den Modulen 5, 13, 14 verläuft oder auch, zumindest teilweise, in diese integriert ist.The linking direction 17 runs parallel to the row direction 2, with the linking strand 18 extending alongside the modules 5, 13, 14 or also, at least partially, being integrated into the same.

Durch den Verkettungsstrang 18 wird eine serielle elektrische Verbindung zwischen dem Steuerungsmodul 14 und den einzelnen elektrischen Verbrauchern 3 geschaffen. Das Steuerungsmodul 14 ist in der Lage, serielle Signale auszugeben, die über den Verkettungsstrang 18 sämtlichen elektrischen Verbrauchern 3 oder zu den in den Verbrauchermodulen 5 zusammengefassten Verbrauchergruppen gesandt werden, wobei den Verbrauchern 3 oder Verbrauchermodulen 5 elektronische Auswertemittel 23 zugeordnet sind, die die ankommenden Signale entsprechend der Adressierung zuordnungsrichtig auslesen können, um sie dem adressierten Verbraucher zur Hervorrufung einer bestimmten Aktion zuzuführen.By the daisy chain 18, a serial electrical connection between the control module 14 and the individual electrical loads 3 is created. The control module 14 is capable of outputting serial signals via the daisy chain 18 all electrical consumers 3 or to the consumer modules summarized in the 5 consumer groups are sent to the consumers 3 or consumer modules 5 electronic evaluation means 23 are assigned, which can read the incoming signals according to the addressing assignment correct to them the addressed consumer to elicit to a specific action.

In gleicher Weise können auch von den Verbrauchern 3 kommende Sensor- oder Diagnosesignale über den Verkettungsstrang 18 zum elektronischen Steuerungsmodul 14 zurückübermittelt werden.In the same way, sensor or diagnostic signals coming from the consumers 3 can be transmitted back to the electronic control module 14 via the linkage 18.

Das Steuerungsmodul 14 enthält elektrische Anschlussmittel 24, die die Ankopplung an einen Bus ermöglichen, wobei es sich um einen seriellen oder parallelen Datenbus handeln kann. Das Steuerungsmodul 14 kann auf diese Weise an eine übergeordnete elektronische Steuerung angeschlossen und/oder mit anderen Steuergeräten vernetzt werden.The control module 14 includes electrical connection means 24 which allow coupling to a bus, which may be a serial or parallel data bus. The control module 14 can be connected in this way to a higher-level electronic control and / or networked with other control devices.

Die elektronischen Auswertemittel 23 sind beim Ausführungsbeispiel zumindest teilweise Bestandteil einer Platine 25, wobei beim Ausführungsbeispiel jeweils mehreren elektrischen Verbrauchern 3 eine gemeinsame Platine 25 zugeordnet ist, die über eine angedeutete elektrische Verbindungseinrichtung 26' mit den zugeordneten Verbrauchern 3 verbindbar ist. Beim Ausführungsbeispiel ist jedem Verbrauchermodul 5 eine solche Platine 25 für die im betreffenden Modul enthaltenen elektrischen Verbraucher 3 zugeordnet.The electronic evaluation means 23 are in the embodiment at least partially part of a board 25, wherein in the embodiment each have a plurality of electrical consumers 3 a common board 25 is assigned, which is connectable via an indicated electrical connection means 26 'with the associated consumers 3. In the exemplary embodiment, each consumer module 5 is associated with such a board 25 for the electrical consumers 3 contained in the respective module.

Über den elektrischen Verkettungsstrang 18 kann den einzelnen Verbrauchern im Übrigen auch die für den Betrieb erforderliche elektrische Energie zugeführt werden.Incidentally, the electrical energy required for the operation can also be supplied to the individual consumers via the electrical linking strand 18.

Die Verkettungsmodule 22 haben jeweils eine flächenhafte Ausdehnung und haben bevorzugt eine Flachgestalt. Im gegenseitig kontaktierten Zustand erstrecken sie sich in einer gemeinsamen Verkettungsebene 26.The linking modules 22 each have a planar extension and preferably have a flat shape. In mutually contacted state they extend in a common concatenation 26th

Jedes Verkettungsmodul 22 hat an seinen einander entgegengesetzt in der Verkettungsrichtung 17 weisenden Endabschnitten erste und zweite Kontaktierungsbereiche 27, 28, an denen die Verkettungsmodule 5 in der Verkettungsrichtung 17 zusammensteckbar sind, um mehrere sich über sämtliche Verkettungsmodule 22 hinweg erstreckende und voneinander unabhängige durchgehende elektrische Verbindungsstränge 32 - in der Zeichnung strichpunktiert angedeutet - zu erhalten. Jeder Verbindungsstrang 32 steht zum einen mit dem elektronischen Steuerungsmodul 14 in Verbindung und ist zum anderen mit sämtlichen elektrischen Auswertemitteln 23 kontaktiert. In Draufsicht auf die Verkettungsebene 26 gesehen haben die elektrischen Verbindungsstränge 32 vorzugsweise einen linearen Verlauf, wobei sie zueinander parallel sind und quer zur Verkettungsrichtung 17 nebeneinander liegen.Each linking module 22 has at its mutually opposite in the linking direction 17 end portions facing first and second Kontaktierungsbereiche 27, 28, to which the Verkettungsmodule 5 are joined together in the linking direction 17, to a plurality of all Verkettungsmodule 22 across and independent from each other continuous electrical connection strands 32nd - indicated by dash-dotted lines in the drawing - to obtain. Each connection string 32 communicates with the electronic control module 14 and is contacted with all electrical evaluation means 23. Seen in plan view of the concatenation plane 26, the electrical connecting strands 32 preferably have a linear course, being parallel to one another and lying transversely to the linking direction 17 next to one another.

Jedes Verkettungsmodul 22 verfügt zusätzlich über einen dritten Kontaktierungsbereich 29, der bei allen Verkettungsmodulen 22 auf der gleichen Seite der Verkettungsebene 26 liegt und der zugleich mit Bezug auf die Verkettungsrichtung 17 zwischen den ersten und zweiten Kontaktierungsbereichen 27, 28 des zugeordneten Verkettungsmoduls 22 liegt.Each linking module 22 additionally has a third contacting region 29, which is located on the same side of the linking plane 26 in all linking modules 22 and at the same time lies with respect to the linking direction 17 between the first and second contacting regions 27, 28 of the associated linking module 22.

Im ersten Kontaktierungsbereich 27 verfügt jedes Verkettungsmodul 22 über mehrere erste Kontaktmittel 33, die in einer Reihe angeordnet sind, die quer und insbesondere rechtwinkelig zur Verkettungsrichtung 17 und zugleich parallel zur Verkettungsebene 26 verläuft. Die Parallelität zur Verkettungsebene schließt eine unmittelbaren Verlauf in der Verkettungsebene ein.In the first contacting region 27, each linking module 22 has a plurality of first contact means 33 which are arranged in a row which extends transversely and in particular at right angles to the linking direction 17 and at the same time parallel to the linking plane 26. The parallelism to the concatenation level implies an immediate progression in the concatenation level.

Eine parallele Reihe zweiter elektrischer Kontaktmittel 34, die in gleicher Weise wie die vorgenannte Reihe erster Kontaktmittel 33 ausgerichtet ist, befindet sich im zweiten Kontaktierungsbereich 28 eines jeweiligen Verkettungsmoduls 22.A parallel row of second electrical contact means 34, which is aligned in the same way as the aforementioned row of first contact means 33, is located in the second contacting region 28 of a respective linking module 22.

Jedes Verkettungsmodul 22 enthält eine Mehrzahl einstückiger Verkettungskontakte 36, die längliche Gestalt haben und in der Verkettungsrichtung 17 ausgerichtet sind. Sie liegen quer zur Verkettungsrichtung 17 nebeneinander und erstrecken sich in einer gemeinsamen Ebene, die zur Verkettungsebene 26 parallel ist. Die Verkettungskontakte 36 sind untereinander identisch.Each interlinking module 22 includes a plurality of one-piece interlinking contacts 36 that are elongated in shape and aligned in the interlinking direction 17. They lie side by side transversely to the linking direction 17 and extend in a common plane, which is parallel to the concatenation plane 26. The chaining contacts 36 are identical to each other.

Die ersten und zweiten Kontaktmittel 33, 34 sind unmittelbar an den Verkettungskontakten 36 vorgesehen. Jeder Verkettungskontakt 36 ist einenends mit einem ersten Kontaktmittel 33 und andernends mit einem zweiten Kontaktmittel 34 versehen. Dabei sind die ersten und zweiten Kontaktmittel 33, 34 unmittelbar von den Endabschnitten 37 der einstückigen Verkettungskontakte 36 gebildet. Durch einen jeweiligen Verkettungskontakt 36 sind mithin die ersten und zweiten Kontaktmittel 33, 34 paarweise elektrisch miteinander verbunden, wobei die ersten und zweiten Kontaktmittel 33, 34 eines jeweiligen Verkettungskontaktes 36 einander in der Verkettungsrichtung 17 gegenüberliegen.The first and second contact means 33, 34 are provided directly on the interlinking contacts 36. Each interlinking contact 36 is provided at one end with a first contact means 33 and at the other end with a second contact means 34. In this case, the first and second contact means 33, 34 are formed directly by the end portions 37 of the one-piece interlinking contacts 36. Consequently, the first and second contact means 33, 34 are electrically connected to each other in pairs by a respective interlinking contact 36, wherein the first and second contact means 33, 34 of a respective Concatenation contact 36 facing each other in the linking direction 17.

Die ersten und zweiten Kontaktmittel 33, 34 sind zueinander komplementär ausgebildet, womit ausgesagt werden soll, dass sie sich eignen, um eine gegenseitige elektrische Verbindung eingehen zu können. Die Verkettungsmodule 22 lassen sich wie schon erwähnt zusammenstecken, wobei die ersten Kontaktmittel 33 des jeweils einen Verkettungsmoduls 22 mit den zweiten Kontaktmitteln 34 des jeweils darauffolgenden Verkettungsmoduls kontaktiert werden, wobei die entsprechenden Zonen als Steckzonen 38 bezeichnet sind, weil die Kontaktierung beim Ausführungsbeispiel durch ein Zusammenstecken der benachbarten Verkettungsmodule 22 hervorgerufen wird.The first and second contact means 33, 34 are complementary to each other, which is to say that they are suitable to be able to enter into a mutual electrical connection. The linking modules 22 can be plugged together, as already mentioned, wherein the first contact means 33 of the respective one linking module 22 are contacted with the second contact means 34 of the respective subsequent linking module, wherein the corresponding zones are designated as plug-in zones 38, because the contacting in the embodiment by a mating the adjacent chaining modules 22 is caused.

In dem schon erwähnten dritten Kontaktierungsbereich 29 sind dritte Kontaktmittel 35 vorgesehen, die wiederum unmittelbar an den Verkettungskontakten 36 vorgesehen sind. Sie sind von an den Verkettungskontakten 36 ausgebildeten dritten Kontaktflächen 44 gebildet, die in der durch einen Doppelpfeil angedeuteten Normalenrichtung 45 der Verkettungsebene 26 orientiert sind und dabei von der Verkettungsebene 26 wegweisen. Die Normalerichtung der dritten Kontaktfläche 44 fällt also mit der Normalenrichtung 45 der Verkettungsebene 26 zusammen.In the already mentioned third contacting region 29, third contact means 35 are provided, which in turn are provided directly on the linking contacts 36. They are formed by formed on the interlinking contacts 36 third contact surfaces 44, which are oriented in the direction indicated by a double arrow normal direction 45 of the concatenation 26 and thereby point away from the concatenation 26. The normal direction of the third contact surface 44 thus coincides with the normal direction 45 of the concatenation plane 26.

Im installierten Zustand der Anordnung steht je eine dritte Kontaktfläche 44 in elektrischem Kontakt mit einer sie beaufschlagenden verbraucherseitigen Gegenkontaktfläche 46. Beim Ausführungsbeispiel befindet sich an jeder Platine 25 eine der Anzahl von dritten Kontaktflächen 44 entsprechende Anzahl von Gegenkontaktflächen 46, die in einer Reihe nebeneinanderliegend angeordnet sind und die gemäß Pfeil 49 auf jeweils eine dritte Kontaktfläche 44 drücken, wenn die Platine 25 in zur Verkettungsebene 26 paralleler Ausrichtung im Bereich der dritten Kontaktmittel 35 seitlich an das zugehörige Verkettungsmodul 22 angesetzt wird.In the installed state of the arrangement, a third contact surface 44 is in electrical contact with a consumer-side mating contact surface 46 which acts on it. In the exemplary embodiment, a number of mating contact surfaces 46 corresponding to the number of third contact surfaces 44 is located on each circuit board 25, juxtaposed in a row are arranged and press according to arrow 49 on each of a third contact surface 44, when the board 25 is attached in parallel to the concatenation level 26 alignment in the region of the third contact means 35 laterally to the associated interlinking module 22.

Eine sichere Verbindung zwischen den Gegenkontaktflächen 46 und den dritten Kontaktflächen 44 wird dadurch gewährleistet, dass die dritten Kontaktflächen 44 in der Normalenrichtung 45 der Verkettungsebene 26 federelastisch nachgiebig sind und bei installierter Platine 25 durch die an ihnen anliegenden Gegenkontaktflächen 46 in der Normalenrichtung 45 ausgelenkt werden, sodass sich eine federnde Rückstellkraft aufbaut, mit der eine jeweilige dritte Kontaktfläche 44 fest gegen die zugeordnete Gegenkontaktfläche 46 angedrückt wird.A secure connection between the mating contact surfaces 46 and the third contact surfaces 44 is ensured by the third contact surfaces 44 are elastically resilient in the normal direction 45 of the concatenation 26 and are deflected in the normal direction 45 with installed board 25 by the abutting contact surfaces 46, so that a resilient restoring force builds up, with which a respective third contact surface 44 is pressed firmly against the associated mating contact surface 46.

Die länglichen Verkettungskontakte 36 sind bevorzugt als Stanz-Biege-Teile ausgebildet und bestehen aus einem elektrisch leitfähigen Material, insbesondere aus Bronze. In der gewünschten gegenseitigen Zuordnung werden die Verkettungskontakte 36 durch ein vorzugsweise aus Kunststoffmaterial bestehendes plattenartiges Trägerelement 47 gehalten, mit dem jedes Verkettungsmodul 22 ausgestattet ist und das mit den Verkettungskontakten 36 bestückt ist. Wie aus Figuren 6 und 7 gut hervorgeht, verfügt das plattenartige Trägerelement 47 über eine Mehrzahl zueinander paralleler und in der Verkettungsrichtung 17 verlaufender Aufnahmenuten 48, in die die Verkettungskontakte 36 eingesetzt sind. Die Aufnahmenuten 48 befinden sich an derjenigen Seitenfläche des Trägerelements 47, an der auch die dritten Kontaktflächen 44 vorgesehen sind.The elongated interlinking contacts 36 are preferably formed as stamped and bent parts and consist of an electrically conductive material, in particular of bronze. In the desired mutual assignment, the interlinking contacts 36 are held by a preferably made of plastic material plate-like support member 47, with which each interlinking module 22 is equipped and which is equipped with the interlinking contacts 36. As is clear from FIGS. 6 and 7, the plate-like carrier element 47 has a plurality of mutually parallel receiving grooves 48 running in the linking direction 17 and into which the interlinking contacts 36 are inserted. The receiving grooves 48 are located on that side surface of the support member 47, on which the third contact surfaces 44 are provided.

Bei den Verkettungskontakten 36 handelt es sich vorzugsweise um Federbügel, die zwei in der Verkettungsrichtung 17 beidseits der dritten Kontaktmittel 44 liegende erste und zweite Kontaktarme 52, 53 aufweisen, an denen die ersten bzw. zweiten Kontaktmittel 33, 34 vorgesehen sind und zwischen denen ein höckerähnlich ausgebogener Längenabschnitt 54 des jeweiligen Verkettungskontaktes 36 liegt, dessen konvex gewölbte Fläche die dritte Kontaktfläche 44 bildet.The linking contacts 36 are preferably spring clips which have two first and second contact arms 52, 53 lying in the linking direction 17 on both sides of the third contact means 44, on which the first and second contact means 33, 34 are provided and between which a bump-like bent length portion 54 of the respective interlinking contact 36 is located, the convex surface of which forms the third contact surface 44.

Jede Aufnahmenut 48 ist auf Höhe des höckerartigen Längenabschnittes 54 mit einer höckerartigen Erhebung 55 ausgebildet, die der höckerartige Längenabschnitt 54 übergreifen kann.Each receiving groove 48 is formed at the height of the hump-like length portion 54 with a hump-like elevation 55, which may overlap the hump-like length portion 54.

Der erste Kontaktarm 52 eines jeweiligen Verkettungskontaktes 36 greift durch das Trägerelement 47 hindurch, das mit einer entsprechenden Durchbrechung 56 versehen ist. Auf diese Weise befinden sich die ersten und zweiten Kontaktmittel 33, 34, bezogen auf die Verkettungsebene 26, auf einander entgegengesetzten Seiten des Trägerelementes 47.The first contact arm 52 of a respective interlinking contact 36 passes through the carrier element 47, which is provided with a corresponding opening 56. In this way, the first and second contact means 33, 34, with respect to the concatenation plane 26, are located on mutually opposite sides of the carrier element 47.

Der das Trägerelement 47 durchsetzende erste Kontaktarm 52 wird von den die Durchbrechung 56 in der Verkettungsrichtung 17 begrenzenden Randbereichen 57a, 57b des Trägerelementes 47 von entgegengesetzten Seiten her in der Normalenrichtung 45 abgestützt und ist dadurch im Trägerelement 47 fixiert. Die beiden Randbereiche 57a, 57b bilden zwei Auflagepunkte für den ersten Kontaktarm 52 und bilden eine Biegemomentaufnahme für den darüber hinausragenden Endbereich des ersten Kontaktarmes 52. Dieser Endbereich ist im nicht mit einem weiteren Verkettungsmodul 22 zusammengesteckten Zustand an der dem Trägerelement 27 zugewandten Rückseite freigelegt, indem das Trägerelement 47 dort eine nutartige Vertiefung 58 aufweist. Dies hat zur Folge, dass der das erste Kontaktmittel 33 bildende Endabschnitt 37 des ersten Kontaktarmes 52 in der Normalenrichtung 45 der Verkettungsebene 26 relativ zum Trägerelement 47 federelastisch auslenkbar ist. An diesem Endabschnitt befindet sich eine erste Kontaktfläche 42, die entgegengesetzt zur dritten Kontaktfläche 44 orientiert ist.The carrier element 47 passing through the first contact arm 52 is supported by the opening 56 delimiting the concatenation 17 edge portions 57 a, 57 b of the support member 47 from opposite sides in the normal direction 45 and is thereby fixed in the support member 47. The two edge regions 57a, 57b form two contact points for the first contact arm 52 and form a bending moment receiver for the end region of the first contact arm 52 projecting beyond it. This end region is exposed on the rear side facing the carrier element 27 in the state not connected with another linking module 22, in that the carrier element 47 has a groove-like depression 58 there. This has the consequence that the first contact means 33 forming end portion 37 of the first contact arm 52 in the normal direction 45 of the concatenation plane 26 is resiliently deflectable relative to the support member 47. At this end portion is a first contact surface 42 which is oriented opposite to the third contact surface 44.

Der zweite Kontaktarm 53 wird im Bereich seines die zweiten Kontaktmittel 34 bildenden Endabschnittes 37 an das Trägerelement 47 leicht herangedrückt und von diesem abgestützt. An diesem Endabschnitt 37 befindet sich eine zu den zweiten Kontaktmitteln 34 gehörende zweite Kontaktfläche 43, die entgegengesetzt zur ersten Kontaktfläche 42 und gleichgerichtet mit der dritten Kontaktfläche 44 orientiert ist.The second contact arm 53 is slightly pushed in the region of its second contact means 34 forming end portion 37 to the support member 47 and supported by this. At this end portion 37 is a belonging to the second contact means 34 second contact surface 43, which is oriented opposite to the first contact surface 42 and rectified with the third contact surface 44.

Die Verkettungskontakte 36 sind durch die erwähnte Lagerung auf beiden Seiten der dritten Kontaktmittel 35 in der Normalenrichtung 45 abgestützt. Dabei handelt es sich um eine Dreipunkt-Abstützung, zum einen durch die beiden Randbereiche 57a, 57b der Durchbrechung 56 und zum anderen durch die Auflage der zweiten Kontaktmittel 34 am Tragelement 47. Dieser letztgenannte dritte Lagerungspunkt ist dabei so ausgeführt, dass der Verkettungskontakt 36 zugleich in der Verkettungsrichtung 17 bezüglich dem Trägerelement 47 fixiert ist.The interlinking contacts 36 are supported by the aforementioned bearing on both sides of the third contact means 35 in the normal direction 45. This is a three-point support, on the one hand by the two edge regions 57a, 57b of the aperture 56 and on the other by the support of the second contact means 34 on the support member 47. This latter third support point is designed so that the concatenation contact 36 at the same time is fixed in the linking direction 17 with respect to the support member 47.

Werden zwei aufeinanderfolgende Verkettungsmodule 22 mit den einander zugewandten ersten und zweiten Kontaktierungsbereichen 27, 28 zusammengesteckt, untergreifen sich die Endabschnitte 37 der Verkettungskontakte 36, wobei die einander zugewandten ersten und zweiten Kontaktflächen 42, 43 sich gegenseitig untergreifen, sodass sie aufeinander zu liegen kommen. Bei diesem Vorgang wird der erste Kontaktarm 52 vom zweiten Kontaktarm 53 in Richtung zu der nutartigen Vertiefung 58 verschwenkt, wobei sich auf Grund der Federelastizität eine Rückstellkraft aufbaut, die dafür sorgt, dass die erste Kontaktfläche 42 fest gegen die zweite Kontaktflächen 43 vorgespannt wird.If two consecutive linking modules 22 are fitted together with the facing first and second contacting regions 27, 28, the end sections 37 of the linking contacts 36 engage under each other, the mutually facing first and second contact surfaces 42, 43 mutually engaging each other Understand so that they come to rest on each other. In this process, the first contact arm 52 is pivoted by the second contact arm 53 in the direction of the groove-like recess 58, wherein due to the spring elasticity, a restoring force builds up, which ensures that the first contact surface 42 is firmly biased against the second contact surfaces 43.

Bei der anschließenden Installation der Platine 25 drückt diese mit den Gegenkontaktflächen 46 auf die dritten Kontaktflächen 47, sodass letztere, bei gleichzeitigem Durchbiegen des zuvor noch stärker ausgewölbten Verkettungskontaktes 36, in Richtung zu der höckerartigen Erhebung 55 verformt wird, wobei auch hier die sich aufbauende Rückstellkraft dafür sorgt, dass die dritten Kontaktflächen 44 fest gegen die Gegenkontaktflächen 46 andrücken.In the subsequent installation of the board 25 presses this with the mating contact surfaces 46 on the third contact surfaces 47, so that the latter, with simultaneous bending of the previously more bulging interlinking contact 36, is deformed in the direction of the hump-like elevation 55, in which case the restoring force building up ensures that the third contact surfaces 44 press firmly against the mating contact surfaces 46.

Somit ergeben sich mehrere durchgängige elektrische Verbindungsstränge 32, die jeweils über die Gegenkontaktflächen 46 abgegriffen werden. Das Trägerelement 47 hat dabei neben der Fixierung der Verkettungskontakte 36 auch die Funktion eines elektrischen Isolators.This results in several continuous electrical connection strands 32, which are tapped in each case via the mating contact surfaces 46. In addition to the fixing of the interlinking contacts 36, the carrier element 47 also has the function of an electrical insulator.

An wenigstens einem Ende des Verkettungsstranges 18 können die dort vorhandenen Endabschnitte 37 der Verkettungskontakte 36, anstatt mit einem Verkettungskontakt 36 eines folgenden Verkettungsmoduls 22, auch direkt auf Kontaktflächen einer Leiterplatte kontaktiert werden. Dies geschieht insbesondere in dem in der Zeichnung nicht näher dargestellten Anschlussbereich zum elektronischen Steuermodul 14, wo die Signale eingespeist werden. Man kann dadurch die Signale und die Versorgungsspannung kostengünstig in den Verkettungsstrang 18 einleiten.At at least one end of the warp strand 18, the end portions 37 of the interlinking contacts 36 present there, instead of being contacted with a interlinking contact 36 of a following interlinking module 22, can also be contacted directly on contact surfaces of a printed circuit board. This happens in particular in the connection area (not shown in detail in the drawing) to the electronic control module 14, where the signals are fed in. One can thereby the signals and the Supply supply voltage inexpensively in the daisy chain 18.

Durch die erwähnte Gestaltung der Verkettungskontakte 36 und des Trägerelements 47 besteht der weitere Vorteil, dass bei der elektrischen Kontaktierung nur Druckkräfte an den Lagerstellen in das Trägerelement 47 eingeleitet werden. Dies ermöglicht eine materialsparende Gestaltung.Due to the mentioned design of the interlinking contacts 36 and the carrier element 47, there is the further advantage that only compressive forces at the bearing points are introduced into the carrier element 47 during the electrical contacting. This allows a material-saving design.

Auf Grund der doppelten Abstützung des ersten Kontaktarmes 52 an den beiden Randbereichen 57a, 57b, wird eine gegenseitige Beeinflussung der federnden Bereiche weitgehend ausgeschlossen.Due to the double support of the first contact arm 52 at the two edge regions 57a, 57b, a mutual influence of the resilient regions is largely excluded.

Die dritten Kontaktmittel 35 sind zweckmäßigerweise in einer zu den Reihen der ersten und zweiten Kontaktmittel 33, 34 parallelen Reihe angeordnet. Allerdings kann die Position der dritten Kontaktmittel 35 durchaus auch in der Verkettungsrichtung variieren, wenn durch eine besondere Ausgestaltung der Platine 25 spezielle Vorgaben hinsichtlich der Anordnung der Gegenkontaktflächen 46 zu erfüllen sind.The third contact means 35 are expediently arranged in a row parallel to the rows of the first and second contact means 33, 34. However, the position of the third contact means 35 may well also vary in the linking direction, if special requirements with regard to the arrangement of the mating contact surfaces 46 are to be met by a special configuration of the board 25.

Wie aus Figur 7 gut hervorgeht, kann zusätzlich zu den zwischen den entgegengesetzten Endabschnitten 37 einstückig durchgehenden Verkettungskontakten 36 mindestens ein unterbrochener Verkettungskontakt 62 vorgesehen sein. Die Anordnung ist dann insbesondere so getroffen, dass die sich ergebenden beiden Kontaktteile 62a, 62b quer zur Verkettungsrichtung 17 nebeneinander liegen und vergleichbar den ununterbrochenen Verkettungskontakten 36 ausgerichtet sind, wobei das erste Kontaktteil 62a die ersten Kontaktmittel 33 und das zweite Kontaktteil 62b die zweiten Kontaktmittel 34 bildet. Im dritten Kontaktierungsbereich 29 überlappen sich die beiden Kontaktteile 62a, 62b ein Stück weit in der Verkettungsrichtung 17, ohne sich allerdings zu berühren. In diesem Überlappungsbereich ist jedes Kontaktteil 62a, 62b mit dritten Kontaktflächen 44 versehen, die entsprechend denjenigen der einstückigen Verkettungskontakte 36 ausgebildet sind.As can be clearly seen from FIG. 7, in addition to the interlinking contacts 36 which are continuous between the opposite end sections 37, at least one interrupted interlinking contact 62 can be provided. The arrangement is then in particular made such that the resulting two contact parts 62a, 62b are juxtaposed transversely to the linking direction 17 and are aligned in a manner comparable to the uninterrupted interlinking contacts 36, the first contact part 62a comprising the first contact means 33 and the first contact element second contact part 62b forms the second contact means 34. In the third contacting region 29, the two contact parts 62a, 62b overlap a little way in the linking direction 17, but without touching each other. In this overlapping area, each contact part 62a, 62b is provided with third contact surfaces 44, which are formed corresponding to those of the one-piece interlinking contacts 36.

Somit ergibt sich bei den unterbrochenen Verbindungskontakten 62 eine durchgängige elektrische Verbindung nur unter Vermittlung des gleichzeitig beide Kontaktteile 62a, 62b kontaktierenden Verbrauchers mittels entsprechender Gegenkontaktflächen 46. Eine derartige Schaltung wird insbesondere für bestimmte Diagnosezwecke als zweckmäßig erachtet.Thus, in the case of the interrupted connection contacts 62, a continuous electrical connection results only through the switching of the consumer contacting both contact parts 62a, 62b at the same time by means of corresponding mating contact surfaces 46. Such a circuit is considered to be useful, in particular for certain diagnostic purposes.

Damit sich auch die unterbrochenen Verkettungskontakte 62 in das lineare Verkettungskonzept einfügen, ist wenigstens eines der Kontaktteile 62b an dem ein Kontaktmittel bildenden Endabschnitt, insbesondere durch Verbreiterung, so ausgebildet, dass die ersten und zweiten Kontaktmittel 33, 34 wie bei den einstückigen Verkettungskontakten 36, auf einer in der Verkettungsrichtung 17 verlaufenden Linie liegen.In order for the interrupted interlinking contacts 62 also to fit into the linear interlinking concept, at least one of the contact parts 62b is formed on the end section forming a contact means, in particular by broadening, in such a way that the first and second contact means 33, 34 as in the one-piece interlinking contacts 36, on lie in the linking direction 17 line.

Zur schützenden Unterbringung ist jedes Verkettungsmodul 22 zweckmäßigerweise in einem Gehäuse 63 untergebracht. Das Gehäuse 63 ist zweckmäßigerweise lösbar mit dem Trägerblock 6 verbunden. Es kann über hochgezogene Wände 64 verfügen, sodass es gleichzeitig die elektronischen Auswertemittel 23 aufnehmen kann.For protective housing each linking module 22 is conveniently housed in a housing 63. The housing 63 is suitably detachably connected to the carrier block 6. It may have raised walls 64 so that it can simultaneously accommodate the electronic evaluation means 23.

Das Verkettungsmodul 22 ist insbesondere durch Verrastung im zugeordneten Gehäuse 63 fixiert. An den beiden in der Verkettungsrichtung 17 orientierten Seiten verfügt das Gehäuse jeweils über einen Querschlitz 65, durch den das im Gehäuse 63 untergebrachte Verkettungsmodul 22 mit seinen ersten und zweiten Kontaktierungsbereichen 27, 28 hinausragen kann. Die Höhe des Querschlitzes 65 ist dabei so gewählt, dass beim Zusammenstecken der mit den Verkettungsmodulen 22 ausgestatteten Gehäuse 63 die einander zugewandten ersten und zweiten Kontaktierungsbereiche 27, 28 des jeweils benachbarten Verkettungsmoduls 22 ebenfalls hindurchgreifen können.The linking module 22 is fixed in particular by latching in the associated housing 63. At the two sides oriented in the linking direction 17, the housing in each case has a transverse slot 65, through which the linking module 22 accommodated in the housing 63 can protrude with its first and second contacting regions 27, 28. The height of the transverse slot 65 is selected so that when mating the housing 63 equipped with the linking modules 22, the mutually facing first and second contacting regions 27, 28 of the respectively adjacent linking module 22 can also reach through.

Zur Montage im Gehäuse 63 wird das Verkettungsmodul 22 durch einen der Querschlitze 65 hindurch in das Gehäuse 63 eingeschoben, bis es im Gehäuse 63 verrastet und dadurch in der Verkettungsrichtung 17 unbeweglich fixiert ist. Beim Ausführungsbeispiel ist hierzu das Trägerelement 47 an seinen beiden Längsseiten mit jeweils einem federelastischen Rasthaken 66 versehen, der ein gehäusefestes Anschlagteil 67 hintergreifen kann.For mounting in the housing 63, the linking module 22 is pushed through one of the transverse slots 65 into the housing 63 until it is locked in the housing 63 and thereby fixed immovably in the linking direction 17. In the embodiment, for this purpose, the support member 47 is provided on its two longitudinal sides, each with a resilient latching hook 66 which can engage behind a fixed housing stop member 67.

Durch die somit realisierte Schnappverbindung ergibt sich eine sehr montagefreundliche Fixierung der Verkettungsmodule 22 in dem Gehäuse 63.By thus realized snap connection results in a very easy installation fixation of the linking modules 22 in the housing 63rd

Claims (20)

  1. Electrical connection device for the transmission of serial signals to and/or from electrical loads (3) arranged in series, in particular electrically actuable valves (3a), with a modular electrical linking chain (18) extending in a linking direction and containing several linking modules (22), consecutive in the linking direction (17) and releasably electrically contacting one another at facing sides to create several continuous electrical connecting strands (32), each with a two-dimensional extent and aligned in a common linking plane (26), wherein each linking module (22) has on its end sections aligned opposite one another in the linking direction (17) first and second contacting areas (27, 28), in which are provided in each case a row of first and second contact means (33, 34) running parallel to the linking plane (26) at right-angles to the linking direction (17) and complementary to one another, of which the first and second contact means (33, 34) respectively opposite one another in the linking direction are connected to one another in pairs and wherein the linking modules (22) on one side of the linking plane (26) each have a third contacting area (29) connected to the first and second contact means (33, 34) connected in pairs and with third contact means (35) provided for contacting a load (3), characterised in that the first and second contact means (33, 34) are formed by the end sections (37) of one-piece linking contacts (36) extending between the first and second contacting area (27, 28), and that the third contacting area (29) lies in the linking direction (17) between the first and second contacting area (27, 28), wherein the third contact means (35) are formed by contact areas (44) of the linking contacts (36) facing away from the linking plane (26) in the perpendicular direction (45) and which yield spring-elastically in the perpendicular direction (45) of the linking plane (26) under pressure from a load-side mating contact surface (46).
  2. Connection device according to claim 1, characterised in that the linking contacts (36), viewed in the perpendicular direction (45) in the linking plane (26), have a linear course.
  3. Connection device according to claim 1 or 2, characterised in that the third contact means (35) are arranged in a row parallel to the first and second contact means (33, 34).
  4. Connection device according to any of claims 1 to 3 characterised in that, in addition to the one-piece linking contacts (36), one or more interrupted linking contacts (62) is/are provided, wherein the two contact parts (62a, 62b) respectively have one of the first and second contact means (33, 34) and in each case also form one of the spring-elastic third contact means (35).
  5. Connection device according to any of claims 1 to 4, characterised in that the contact areas (42, 43) provided on the end sections (37) of the linking contacts (36) forming the first and second contact means (33, 34) are aligned opposite to one another in the perpendicular direction (45) of the linking plane (26), while first and second contact means (33, 34) of consecutive linking modules (22) which are in contact with one another engage from below with facing contact areas (42, 43) in the linking direction (17).
  6. Connection device according to claim 5, characterised in that the end sections (37) forming the first contact means (33) may be deflected in a spring-elastic manner in the perpendicular direction (45) of the linking plane (26), in such a way that they are able to fit up with preload against the second contact means (34) of the following linking module (22), which they engage from below.
  7. Connection device according to any of claims 1 to 6, characterised in that the linking contacts (36) are formed by spring brackets.
  8. Connection device according to claim 7, characterised in that the contact areas (44) forming the third contact means (35) are formed by bump-like curved length sections of the linking contacts (36).
  9. Connection device according to claim 7 or 8, characterised in that the linking contacts (36) are supported in the perpendicular direction (45) either side of the third contact means (35), while the third contact means (35) may be deflected in the perpendicular direction (45) relative to the support points, in a spring-elastic manner.
  10. Connection device according to any of claims 1 to 9, characterised in that each of the linking modules (22) has a plate-like support member (47) carrying the linking contacts (36).
  11. Connection device according to claim 10, characterised in that the linking contacts (36) are fixed in locating slots (48) of the support member (47).
  12. Connection device according to claim 10 or 11, characterised in that the linking contacts (36) are in the form of spring brackets and have two contact arms (52, 53), lying either side of the third contact means (35) in the linking direction (17), and on which the first and second contact means (33, 34) are provided, each being supported on the support member (47) in the perpendicular direction (45) of the linking plane (26).
  13. Connection device according to any of claims 10 to 12, characterised in that the linking contacts (36) are in the form of spring brackets and have two contact arms (52, 53), lying either side of the third contact means (35) in the linking direction (17), and on which the first and second contact means (33, 34) are provided, wherein one of the contact arms (52) reaches through the support member (47), so that the first and second contact means (33, 34) are on opposite sides of the support member (47).
  14. Connection device according to claim 13, characterised in that the contact arm (52) passing through the support member (47) is supported from opposite sides by the spaced-apart edge areas (57a, 57b) of the relevant through hole (56).
  15. Connection device according to any of claims 1 to 14, characterised in that each linking module (22) is assigned a housing (63) in which it may be fixed by latching.
  16. Connection device according to claim 15 characterised in that the housing (63) has, on each of the two sides facing in the linking direction (17), a transverse slot (65) allowing the through passage of the first and second contacting areas (27, 28) of the linking modules (22).
  17. Connection device according to claim 15 or 16, characterised in that each of the linking modules (22) has a plate-like support member (47) bearing the linking contacts (36) and on which are provided latch hooks (66) which can be brought into latching engagement with the housing (63).
  18. Connection device according to any of claims 1 to 17, characterised in that the linking contacts (36) are in the form of stamped, bent parts.
  19. Connection device according to any of claims 1 to 18, characterised in that there is provided, for the contacting of one or more loads (3), a printed circuit board (25) which is or may be contacted by the load (3) and may be attached, in the area of the third contact means (35), to the side of the assigned linking module (22) aligned parallel to the linking plane (26), wherein mating contact surfaces (46) provided on the printed circuit board (25) press against the contact areas (44) of the third contact means (35) and deflect the latter against a sprung restoring force.
  20. Electro-fluidic control unit with one or more electronic control modules (14) and with several electrically actuable valves (3a) as loads (3), wherein a connection device (16) according to one of the preceding claims is provided for electrical linking between the control module (14) and the valves (3a).
EP03028329A 2003-02-04 2003-12-10 Electrically connecting assembly and electro-fluidic control device equiped therewith Expired - Lifetime EP1445493B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10304324 2003-02-04
DE10304324A DE10304324B4 (en) 2003-02-04 2003-02-04 Electrical connection device

Publications (2)

Publication Number Publication Date
EP1445493A1 EP1445493A1 (en) 2004-08-11
EP1445493B1 true EP1445493B1 (en) 2006-09-13

Family

ID=32603127

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03028329A Expired - Lifetime EP1445493B1 (en) 2003-02-04 2003-12-10 Electrically connecting assembly and electro-fluidic control device equiped therewith

Country Status (3)

Country Link
EP (1) EP1445493B1 (en)
AT (1) ATE339617T1 (en)
DE (2) DE10304324B4 (en)

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Also Published As

Publication number Publication date
ATE339617T1 (en) 2006-10-15
DE10304324A1 (en) 2004-08-12
DE50305025D1 (en) 2006-10-26
DE10304324B4 (en) 2005-01-27
EP1445493A1 (en) 2004-08-11

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