EP1004754A2 - Connector arrangement for engine control system - Google Patents

Connector arrangement for engine control system Download PDF

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Publication number
EP1004754A2
EP1004754A2 EP99121327A EP99121327A EP1004754A2 EP 1004754 A2 EP1004754 A2 EP 1004754A2 EP 99121327 A EP99121327 A EP 99121327A EP 99121327 A EP99121327 A EP 99121327A EP 1004754 A2 EP1004754 A2 EP 1004754A2
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EP
European Patent Office
Prior art keywords
housing part
cylinder head
contacting
electrical components
engine control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99121327A
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German (de)
French (fr)
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EP1004754B1 (en
EP1004754A3 (en
Inventor
Dietmar Munz
Wolfgang Renz
Thomas Stolk
Steffen Walter
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Daimler AG
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DaimlerChrysler AG
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Publication date
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Publication of EP1004754A2 publication Critical patent/EP1004754A2/en
Publication of EP1004754A3 publication Critical patent/EP1004754A3/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20Valve-gear or valve arrangements actuated non-mechanically by electric means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00Cylinders; Cylinder heads 
    • F02F1/24Cylinder heads
    • F02F1/42Shape or arrangement of intake or exhaust channels in cylinder heads
    • F02F1/4214Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00Cylinders; Cylinder heads 
    • F02F1/24Cylinder heads
    • F02F2001/244Arrangement of valve stems in cylinder heads
    • F02F2001/245Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis

Definitions

  • the invention relates to a device for contacting an engine control unit with current consumers, in particular Actuators of an electromagnetic valve control, from Internal combustion engines according to the preamble of the claim 1.
  • DE 42 25 329 A1 describes a generic device for Contacting an engine control unit with actuators electromagnetic valve control of an internal combustion engine known.
  • the internal combustion engine has a cylinder head in the gas exchange valves are arranged by the electromagnetic Actuators are operated, the cylinder head is covered by a cylinder head cover.
  • the actuators include opening and closing magnets, controlled by the engine control unit takes place.
  • each actuator has a cable based on the respective actuator within the Cylinder head cover to a recess in the cylinder head cover is routed through which the cable for connection to the engine control unit is then inserted.
  • a disadvantage of the device is that when putting it on the cylinder head cover bruises in the cylinder head cover loose cables may be possible.
  • Another disadvantage the device lies in the tightness problems, since the cylinder head cover through the recesses for the cables potential Has leaks. Otherwise, the cylinder head cover due to the cables arranged inside the cylinder head cover be dimensioned sufficiently so that all for the actuators needed cables find their place unhindered.
  • the object of the invention is a device for contacting of electricity consumers with an engine control unit Train internal combustion engine so that at the same time Optimization of installation space enables an improvement in assembly.
  • a major advantage of the device according to the invention lies in the optimization of assembly and space requirements.
  • the integration of the electrical required for contacting Components, i.e. the power stages, the recordings for the power-side connector, and the line end stages and the recordings connecting lines, in the frame part of the Cylinder head means a significant relief in the Assembly because before the cylinder head cover is placed on the Cylinder head all electricity consumers with actuators in particular the engine control unit can be connected without, for example Cables are passed through the cylinder head cover have to. Only the plugs of the power consumer-side cables in the frame-side connector receptacles inserted, the frame part itself over only a cable is connected to the engine control unit. Before putting on the cylinder head cover is now only to be checked, whether a cable is without contact or has been crimped.
  • the potential leaks are caused by the frame part avoided in the cylinder head cover when performing the cable is possible through the recesses in the cylinder head cover were, because the plug of the electricity consumers only in the Plug receptacles of the frame part must be inserted and the electricity consumers via a central, starting from the frame part Cables are connected to the engine control unit.
  • the frame part by integrating the electrical components an optimization of the installation space is achieved in the frame part.
  • The include electrical components integrated into the frame part all for contacting electricity consumers with the engine control unit necessary elements, such as power amplifiers, Connector sockets and cables for connecting power amplifiers and plug receptacles, whereby only the electricity consumer side Lines with plugs inside the valve gear compartment must be led to the connector receptacles.
  • This reduction in the number of components results in a compact arrangement the device possible.
  • FIG. 1 shows a device in a first exemplary embodiment for contacting an engine control unit, not shown here with electricity consumers a multi-cylinder Internal combustion engine, which is particularly closer below described actuators 1 of an electromagnetic valve control as well as ignition coils 2.
  • the three-cylinder internal combustion engine shown has a cylinder head 3, which consists of three housing parts 3a, 3b, the first housing part 3a being the actual cylinder head, the second housing part 3b is flanged to the cylinder head Frame part and the third housing part, not visible here forms a cylinder head cover which can be placed on the frame part 3b.
  • the cylinder head 3 there are one ignition coil 2 and four per cylinder Gas exchange valves 4 (see FIG. 2) mounted, which corresponding Control invisible gas exchange channels and one each actuator 1, which is also mounted in the cylinder head 3, the gas exchange valves 4 essentially in the area of the first housing part, i.e. of the cylinder head 3a and the Ignition coil 2 and the actuators 1 essentially in the area of the flanged frame part which forms a valve drive chamber 3b are arranged. On the frame part 3b, the third Mounted part of the cylinder head, the cylinder head cover become.
  • Each actuator 1 has a displacement sensor 5 for detecting a Position and / or movement of the gas exchange valve 4 and two electrically controlled switching magnets 6, 7, i.e. one Closing magnet 6 and an opening magnet 7, between their Pole surfaces 8, 9 an armature connected to the gas exchange valve 4 10 coaxial to the valve axis 11 (see. Fig. 2) is arranged.
  • a spring mechanism not visible here the consists of two preloaded compression springs, forms with the gas exchange valve 4 a spring-mass oscillator, its rest position between the two valve end positions, i.e. between open position and the closed position of the gas exchange valve 4.
  • valve operation is started by that the armature 10 of the closing magnet 6 or opening magnet 7th against the elastic restoring force of the spring mechanism in Direction of the associated end position is tightened. Subsequently the gas exchange valve 4 is alternately opened thereby and concluded that the current supply of the currently holding Switching magnet 6, 7 is switched off, causing the gas exchange valve 4 from the spring mechanism from the previous end position accelerated out until the rest position was reached becomes. That which moves beyond the rest position in this way Gas exchange valve 4 is then from the opposite Switching magnets 6, 7 against the elastic restoring force of the spring mechanism caught, what the switching magnet 6, 7 with a so-called capture current is applied.
  • a power output stage 12 is assigned to each cylinder, which that of four actuators 1 together with four displacement sensors 5 and one Ignition coil 2 controls existing consumer group.
  • the power amplifiers 12 along with the associated recordings for the actuator side 13, 14 and ignition coil-side connector 15 are in the frame part 3b integrated and either individually or centrally via a cable, not shown, from the frame part 3b with the engine control unit connected.
  • Travel sensor 5 To power an actuator 4 with an associated one Travel sensor 5 are seven lines, which are in two plugs 13, 14 flow, needed. Three lines 17 are used for the displacement sensor 5 required and four lines 18 are for the switching magnets 6, 7th provided, the lines 17 of the displacement sensor 5 in one Plug 13 and the lines 18 of the switching magnets 6, 7 of the actuator 1 also open into a connector 14.
  • the ignition coil 2 For power supply the ignition coil 2 is a line 19 with a plug 15 provided, the receptacle for the ignition coil side Connector 15 is also integrated into the frame part 3b.
  • the electrical components 12 ' are only partially integrated into the frame part 3b '.
  • the power amplifiers 12 ' are arranged on the frame part 3b' and only the lines connecting the power amplifiers 12 'to the Connect receptacles for the plug 14 'on the consumer side, and the recordings themselves are integrated in the frame part 3b '.
  • the cylinder head consists of only two housing parts consists of what the first housing part is the cylinder head and the further housing part forms a cylinder head cover, in which some or all of the electrical components are integrated and which are connected to the Engine control unit is connected.
  • one facing the cylinder head can be in the frame part Sealing strip and / or one facing the cylinder head cover Sealing strip be introduced.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

Die Erfindung bezieht sich auf eine Vorrichtung zur Kontaktierung eines Motorsteuergerätes mit Stromverbrauchern, insbesondere Aktuatoren einer elektromagnetischen Ventilsteuerung, von Brennkraftmaschinen, wobei die Brennkraftmaschine einen Zylinderkopf aufweist, der einen ersten Gehäuseteil und mindestens einen, an den ersten Gehäuseteil angeflanschten weiteren Gehäuseteil umfaßt, und wobei die Kontaktierung des Motorsteuergerätes mit den Stromverbrauchern mittels elektrischer Bauteile durch den weiteren Gehäuseteil erfolgt. Um eine Vorrichtung zur Kontaktierung eines Motorsteuergerätes mit Stromverbrauchern so auszubilden, daß bei gleichzeitiger Bauraumoptimierung eine Montageverbessserung ermöglicht ist, wird erfindungsgemäß vorgeschlagen, daß die elektrischen Bauteile zur Kontaktierung wenigstens teilweise in dem weiteren Gehäuseteil integriert sind. <IMAGE>The invention relates to a device for contacting an engine control unit with current consumers, in particular actuators of an electromagnetic valve control, of internal combustion engines, the internal combustion engine having a cylinder head which comprises a first housing part and at least one further housing part flanged to the first housing part, and wherein the Contacting of the engine control unit with the electricity consumers by means of electrical components takes place through the further housing part. In order to design a device for contacting an engine control unit with current consumers in such a way that an improvement in assembly is possible while at the same time optimizing installation space, the invention proposes that the electrical components for contacting are at least partially integrated in the further housing part. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Vorrichtung zur Kontaktierung eines Motorsteuergerätes mit Stromverbrauchern, insbesondere Aktuatoren einer elektromagnetischen Ventilsteuerung, von Brennkraftmaschinen gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a device for contacting an engine control unit with current consumers, in particular Actuators of an electromagnetic valve control, from Internal combustion engines according to the preamble of the claim 1.

Aus der DE 42 25 329 A1 ist eine gattungsgemäße Vorrichtung zur Kontaktierung eines Motorsteuergerätes mit Aktuatoren einer elektromagnetischen Ventilsteuerung einer Brennkraftmaschine bekannt. Die Brennkraftmaschine weist einen Zylinderkopf auf in dem Gaswechselventile angeordnet sind, die durch die elektromagnetischen Aktuatoren betätigt werden, wobei der Zylinderkopf durch eine Zylinderkopfhaube abgedeckt ist. Die Aktuatoren umfassen Öffnungs- und Schließmagneten, deren Ansteuerung durch das Motorsteuergerät erfolgt. Dazu weist jeder Aktuator ein Kabel auf, das ausgehend vom jeweiligen Aktuator innerhalb der Zylinderkopfhaube zu einer Ausnehmung in der Zylinderkopfhaube geführt wird, durch die das Kabel zur Anbindung an das Motorsteuergerät anschließend durchgesteckt wird.DE 42 25 329 A1 describes a generic device for Contacting an engine control unit with actuators electromagnetic valve control of an internal combustion engine known. The internal combustion engine has a cylinder head in the gas exchange valves are arranged by the electromagnetic Actuators are operated, the cylinder head is covered by a cylinder head cover. The actuators include opening and closing magnets, controlled by the engine control unit takes place. For this purpose, each actuator has a cable based on the respective actuator within the Cylinder head cover to a recess in the cylinder head cover is routed through which the cable for connection to the engine control unit is then inserted.

Ein Nachteil der Vorrichtung liegt darin, daß beim Aufsetzen der Zylinderkopfhaube Quetschungen der in der Zylinderkopfhaube lose geführten Kabel möglich sein können. Ein weiterer Nachteil der Vorrichtung liegt in den Dichtigkeitsproblemen, da die Zylinderkopfhaube durch die Ausnehmungen für die Kabel potentielle Leckstellen aufweist. Im übrigen muß die Zylinderkopfhaube durch die innerhalb der Zylinderkopfhaube angeordneten Kabel ausreichend dimensioniert sein, so daß alle für die Aktuatoren benötigten Kabel ungehindert ihren Platz finden. A disadvantage of the device is that when putting it on the cylinder head cover bruises in the cylinder head cover loose cables may be possible. Another disadvantage the device lies in the tightness problems, since the cylinder head cover through the recesses for the cables potential Has leaks. Otherwise, the cylinder head cover due to the cables arranged inside the cylinder head cover be dimensioned sufficiently so that all for the actuators needed cables find their place unhindered.

Zum allgemeinen technischen Hintergrund wird noch auf eine ältere Anmeldung DE 197 56 095.4 verwiesen.The general technical background is based on an older one Application DE 197 56 095.4 referenced.

Es ist die Aufgabe der Erfindung eine Vorrichtung zur Kontaktierung von Stromverbrauchern mit einem Motorsteuergerät einer Brennkraftmaschine derart auszubilden, daß bei gleichzeitiger Bauraumoptimierung eine Montageverbessserung ermöglicht ist.The object of the invention is a device for contacting of electricity consumers with an engine control unit Train internal combustion engine so that at the same time Optimization of installation space enables an improvement in assembly.

Diese Aufgabe wird erfindungsgemäß durch die im Kennzeichen des Patentanspruchs 1 gegebenen Merkmale gelöst.This object is achieved by the in the characteristic of Features given claim 1 solved.

Ein wesentlicher Vorteil der erfindungsgemäßen Vorrichtung liegt in der Optimierung der Montage und des Bauraumbedarfs. Die Integration der zur Kontaktierung benötigten elektrischen Bauteile, d.h. der Leistungsendstufen, der Aufnahmen für die stromverbraucherseitigen Stecker, und der die Leitungsendstufen und die Aufnahmen verbindenden Leitungen, in das Rahmenteil des Zylinderkopfes, bedeutet eine deutliche Erleichterung bei der Montage, weil vor dem Aufsetzen der Zylinderkopfhaube auf den Zylinderkopf alle Stromverbraucher insbesondere Aktuatoren mit dem Motorsteuergerät verbunden werden können, ohne daß beispielsweise Kabel durch die Zylinderkopfhaube durchgeführt werden müssen. Bei der Montage werden lediglich die Stecker der stromverbraucherseitigen Leitungen in die rahmenseitigen Steckeraufnahmen eingesteckt, wobei das Rahmenteil selbst über nur ein Kabel mit dem Motorsteuergerät verbunden ist. Vor dem Aufsetzen der Zylinderkopfhaube ist nunmehr lediglich zu prüfen, ob ein Kabel ohne Kontakt ist oder gequetscht wurde.A major advantage of the device according to the invention lies in the optimization of assembly and space requirements. The integration of the electrical required for contacting Components, i.e. the power stages, the recordings for the power-side connector, and the line end stages and the recordings connecting lines, in the frame part of the Cylinder head, means a significant relief in the Assembly because before the cylinder head cover is placed on the Cylinder head all electricity consumers with actuators in particular the engine control unit can be connected without, for example Cables are passed through the cylinder head cover have to. Only the plugs of the power consumer-side cables in the frame-side connector receptacles inserted, the frame part itself over only a cable is connected to the engine control unit. Before putting on the cylinder head cover is now only to be checked, whether a cable is without contact or has been crimped.

Zusätzlich werden durch das Rahmenteil die potentiellen Leckstellen in der Zylinderkopfhaube vermieden, die beim Durchführen der Kabel durch die Ausnehmungen der Zylinderkopfhaube möglich waren, da die Stecker der Stromverbraucher nurmehr in die Steckeraufnahmen des Rahmenteiles eingesteckt werden müssen und die Stromverbraucher über ein vom Rahmenteil ausgehendes, zentrales Kabel mit dem Motorsteuergerät verbunden sind. In addition, the potential leaks are caused by the frame part avoided in the cylinder head cover when performing the cable is possible through the recesses in the cylinder head cover were, because the plug of the electricity consumers only in the Plug receptacles of the frame part must be inserted and the electricity consumers via a central, starting from the frame part Cables are connected to the engine control unit.

Im übrigen ist durch die Integration der elektrischen Bauteile in das Rahmenteil eine Optimierung des Bauraumes erreicht. Die in das Rahmenteil integrierten elektrischen Bauteile umfassen sämtliche zur Kontaktierung von Stromverbrauchern mit dem Motorsteuergerät notwendigen Elemente, wie Leistungsendstufen, Steckeraufnahmen und Leitungen zur Verbindung von Leistungsendstufen und Steckeraufnahmen, wodurch nurmehr die stromverbraucherseitigen Leitungen mit Steckern innerhalb des Ventiltriebraumes zu den Steckeraufnahmen geführt werden müssen. Durch diese Reduzierung der Bauteilezahl ist eine kompakte Anordnung der Vorrichtung möglich.Incidentally, by integrating the electrical components an optimization of the installation space is achieved in the frame part. The include electrical components integrated into the frame part all for contacting electricity consumers with the engine control unit necessary elements, such as power amplifiers, Connector sockets and cables for connecting power amplifiers and plug receptacles, whereby only the electricity consumer side Lines with plugs inside the valve gear compartment must be led to the connector receptacles. This reduction in the number of components results in a compact arrangement the device possible.

Durch Einbringen einer dem Zylinderkopf zugewandten und/oder eine der Zylinderkopfhaube zugewandten Dichtleiste entfällt eine separate Haubendichtung. Dadurch, daß die Kontaktierung über das Rahmenteil erfolgt und keine Leitungen mehr durch die Zylinderkopfhaube nach außen geführt werden und eine Dichtleiste zwischen Rahmenteil und Zylinderkopfhaube vorgesehen ist, wird eine schwingungs- bzw. akkustische Entkoppelung der Zylinderkopfhaube erreicht.By introducing a cylinder head facing and / or one of the sealing strips facing the cylinder head cover does not have one separate hood seal. The fact that the contacting the frame part takes place and no more lines through the cylinder head cover to the outside and a sealing strip is provided between the frame part and the cylinder head cover vibration or acoustic decoupling of the cylinder head cover reached.

Weitere Ausgestaltungen und Vorteile der Erfindung gehen aus den übrigen Unteransprüchen und der Beschreibung hervor.Further configurations and advantages of the invention go out the other subclaims and the description.

Zwei Ausführungsbeispiele der Erfindung sind im folgenden in zwei Zeichnungen mit weiteren Einzelheiten näher erläutert, und zwar zeigen:

Fig. 1
in einem ersten Ausführungsbeispiel eine Vorrichtung zur Kontaktierung eines Motorsteuergerätes mit Zündspulen und Aktuatoren einer elektromagnetischen Ventilsteuerung einer Brennkraftmaschine mittels elektrischer Bauteile, welche vollständig in ein auf einen Zylinderkopf der Brennkraftmaschine aufgesetztes Rahmenteil integriert sind und
Fig. 2
in einem zweiten Ausführungsbeispiel eine Vorrichtung zur Kontaktierung, dessen elektrischen Bauteile teilweise in das Rahmenteil integriert sind.
Two exemplary embodiments of the invention are explained in more detail in the following in two drawings, namely:
Fig. 1
in a first exemplary embodiment, a device for contacting an engine control unit with ignition coils and actuators of an electromagnetic valve control of an internal combustion engine by means of electrical components, which are fully integrated in a frame part placed on a cylinder head of the internal combustion engine and
Fig. 2
in a second embodiment, a device for contacting, the electrical components of which are partially integrated into the frame part.

Fig. 1 zeigt in einem ersten Ausführungsbeispiel eine Vorrichtung zur Kontaktierung eines hier nicht dargestellten Motorsteuergerätes mit Stromverbrauchern einer mehrzylindrigen Brennkraftmaschine, bei denen es sich insbesondere um unten näher beschriebene Aktuatoren 1 einer elektromagnetischen Ventilsteuerung sowie um Zündspulen 2 handelt. Die hier nicht näher dargestellte, dreizylindrige Brennkraftmaschine weist einen Zylinderkopf 3 auf, der aus drei Gehäuseteilen 3a, 3b besteht, wobei das erste Gehäuseteil 3a den eigentlichen Zylinderkopf, das zweite Gehäuseteil 3b ein an den Zylinderkopf angeflanschtes Rahmenteil und das dritte, hier nicht sichtbare Gehäuseteil eine auf das Rahmenteil 3b aufsetzbare Zylinderkopfhaube ausbildet.1 shows a device in a first exemplary embodiment for contacting an engine control unit, not shown here with electricity consumers a multi-cylinder Internal combustion engine, which is particularly closer below described actuators 1 of an electromagnetic valve control as well as ignition coils 2. Not closer here The three-cylinder internal combustion engine shown has a cylinder head 3, which consists of three housing parts 3a, 3b, the first housing part 3a being the actual cylinder head, the second housing part 3b is flanged to the cylinder head Frame part and the third housing part, not visible here forms a cylinder head cover which can be placed on the frame part 3b.

Im Zylinderkopf 3 sind pro Zylinder eine Zündspule 2 und vier Gaswechselventile 4 (s. Fig. 2) gelagert, welche entsprechende, nicht sichtbare Gaswechselkanäle steuern und über jeweils einen ebenfalls im Zylinderkopf 3 gelagerten Aktuator 1 betätigt werden, wobei die Gaswechselventile 4 im wesentlichen im Bereich des ersten Gehäuseteiles, d.h. des Zylinderkopfes 3a und die Zündspule 2 sowie die Aktuatoren 1 im wesentlichen im Bereich des angeflanschten, einen Ventiltriebraum ausbildenden Rahmenteils 3b angeordnet sind. Auf das Rahmenteil 3b kann das dritte Gehäuseteil des Zylinderkopfes, die Zylinderkopfhaube, aufgesetzt werden.In the cylinder head 3 there are one ignition coil 2 and four per cylinder Gas exchange valves 4 (see FIG. 2) mounted, which corresponding Control invisible gas exchange channels and one each actuator 1, which is also mounted in the cylinder head 3, the gas exchange valves 4 essentially in the area of the first housing part, i.e. of the cylinder head 3a and the Ignition coil 2 and the actuators 1 essentially in the area of the flanged frame part which forms a valve drive chamber 3b are arranged. On the frame part 3b, the third Mounted part of the cylinder head, the cylinder head cover become.

Jeder Aktuator 1 weist einen Wegsensor 5 zur Erfassung einer Position und/oder Bewegung des Gaswechselventils 4 und zwei elektrisch angesteuerte Schaltmagneten 6, 7 auf, d.h. einen Schließmagneten 6 und einen Öffnungsmagneten 7, zwischen deren Polflächen 8, 9 ein mit dem Gaswechselventil 4 verbundener Anker 10 koaxial zu der Ventilachse 11 (s. Fig. 2) verschiebbar angeordnet ist. Ein hier nicht sichtbarer Federmechanismus, der aus zwei vorgespannten Druckfedern besteht, bildet mit dem Gaswechselventil 4 einen Feder-Masse-Schwinger, dessen Ruhelage zwischen den beiden Ventilendstellungen, d.h. zwischen Offenstellung und Schließstellung des Gaswechselventils 4 liegt.Each actuator 1 has a displacement sensor 5 for detecting a Position and / or movement of the gas exchange valve 4 and two electrically controlled switching magnets 6, 7, i.e. one Closing magnet 6 and an opening magnet 7, between their Pole surfaces 8, 9 an armature connected to the gas exchange valve 4 10 coaxial to the valve axis 11 (see. Fig. 2) is arranged. A spring mechanism not visible here, the consists of two preloaded compression springs, forms with the gas exchange valve 4 a spring-mass oscillator, its rest position between the two valve end positions, i.e. between open position and the closed position of the gas exchange valve 4.

Aus dieser Ruhelage wird der Ventilbetrieb dadurch gestartet, daß der Anker 10 vom Schließmagneten 6 oder Öffnungsmagneten 7 gegen die elastische Rückstellkraft des Federmechanismus in Richtung der zugehörigen Endstellung angezogen wird. Anschließend wird das Gaswechselventil 4 abwechselnd dadurch geöffnet und geschlossen, daß die Bestromung des momentan haltenden Schaltmagneten 6, 7 abgeschaltet wird, wodurch das Gaswechselventil 4 vom Federmechanismus aus der bisherigen Endstellung heraus zunächst bis zum Erreichen der Ruhelage beschleunigt wird. Das sich auf diese Weise über die Ruhelage hinaus bewegende Gaswechselventil 4 wird dann vom gegenüberliegenden Schaltmagneten 6, 7 gegen die elastische Rückstellkraft des Federmechanismus gefangen, wozu der Schaltmagnet 6, 7 mit einem sogenannten Fangstrom beaufschlagt wird.From this rest position, valve operation is started by that the armature 10 of the closing magnet 6 or opening magnet 7th against the elastic restoring force of the spring mechanism in Direction of the associated end position is tightened. Subsequently the gas exchange valve 4 is alternately opened thereby and concluded that the current supply of the currently holding Switching magnet 6, 7 is switched off, causing the gas exchange valve 4 from the spring mechanism from the previous end position accelerated out until the rest position was reached becomes. That which moves beyond the rest position in this way Gas exchange valve 4 is then from the opposite Switching magnets 6, 7 against the elastic restoring force of the spring mechanism caught, what the switching magnet 6, 7 with a so-called capture current is applied.

Jedem Zylinder ist eine Leistungsendstufe 12 zugeordnet, welche die aus vier Aktuatoren 1 nebst vier Wegsensoren 5 und einer Zündspule 2 bestehende Verbrauchergruppe ansteuert. Die Leistungsendstufen 12 nebst zugehörigen Aufnahmen für aktuatorseitige 13, 14 und zündspulenseitige Stecker 15 sind in das Rahmenteil 3b integriert und entweder einzeln oder zentral über ein nicht dargestelltes Kabel vom Rahmenteil 3b aus mit dem Motorsteuergerät verbunden.A power output stage 12 is assigned to each cylinder, which that of four actuators 1 together with four displacement sensors 5 and one Ignition coil 2 controls existing consumer group. The power amplifiers 12 along with the associated recordings for the actuator side 13, 14 and ignition coil-side connector 15 are in the frame part 3b integrated and either individually or centrally via a cable, not shown, from the frame part 3b with the engine control unit connected.

Zur Stromversorgung eines Aktuators 4 mit einem zugehörigen Wegsensor 5 werden sieben Leitungen, die in zwei Stecker 13, 14 münden, benötigt. Drei Leitungen 17 werden für den Wegsensor 5 benötigt und vier Leitungen 18 sind für die Schaltmagnete 6, 7 vorgesehen, wobei die Leitungen 17 des Wegsensors 5 in einen Stecker 13 und die Leitungen 18 der Schaltmagnete 6, 7 des Aktuators 1 ebenfalls in einen Stecker 14 münden. Zur Stromversorgung der Zündspule 2 ist eine Leitung 19 mit einem Stecker 15 vorgesehen, wobei die Aufnahme für den zündspulenseitigen Stecker 15 ebenfalls in das Rahmenteil 3b integriert ist.To power an actuator 4 with an associated one Travel sensor 5 are seven lines, which are in two plugs 13, 14 flow, needed. Three lines 17 are used for the displacement sensor 5 required and four lines 18 are for the switching magnets 6, 7th provided, the lines 17 of the displacement sensor 5 in one Plug 13 and the lines 18 of the switching magnets 6, 7 of the actuator 1 also open into a connector 14. For power supply the ignition coil 2 is a line 19 with a plug 15 provided, the receptacle for the ignition coil side Connector 15 is also integrated into the frame part 3b.

Bei der Kontaktierung des Motorsteuergerätes mit den Aktuatoren 1 und den Zündspulen 2 müssen nur die aktuatorseitigen Stecker 13, 14 und die zündspulenseitigen Stecker 15 in die rahmenseitigen Aufnahmen eingesteckt und die Leistungsendstufen 12 bzw. das Rahmenteil 3b mit dem Motorsteuergerät verbunden werden, wobei pro Zylinder neun Steckverbindungen anfallen. Im übrigen ist auch eine Stromversorgung weiterer Stromverbraucher, die in der Zylinderkopfhaube sitzen, wie beispielsweise Druckregelventile oder Fußpunktversteller, über das Rahmenteil 3b möglich.When contacting the engine control unit with the actuators 1 and the ignition coils 2 only have the connector on the actuator side 13, 14 and the ignition coil-side connector 15 in the frame side Inserted and the power amplifiers 12 or the frame part 3b are connected to the engine control unit, with nine plug connections per cylinder. Furthermore is also a power supply for other electricity consumers that are in the cylinder head cover, such as pressure regulating valves or foot adjuster, possible via the frame part 3b.

Fig. 2 zeigt in einem weiteren Ausführungsbeispiel eine Vorrichtung zur Kontaktierung, dessen elektrischen Bauteile 12' nur teilweise in das Rahmenteil 3b' integriert sind. Die Leistungsendstufen 12' sind an dem Rahmenteil 3b' angeordnet und nur die Leitungen, welche die Leistungsendstufen 12' mit den Aufnahmen für die stromverbraucherseitigen Stecker 14' verbinden, sowie die Aufnahmen selbst sind in das Rahmenteil 3b' integriert.2 shows a device in a further exemplary embodiment for contacting, the electrical components 12 ' are only partially integrated into the frame part 3b '. The power amplifiers 12 'are arranged on the frame part 3b' and only the lines connecting the power amplifiers 12 'to the Connect receptacles for the plug 14 'on the consumer side, and the recordings themselves are integrated in the frame part 3b '.

Ferner ist auch denkbar, daß der Zylinderkopf nur aus zwei Gehäuseteilen besteht, wovon das erste Gehäuseteil den Zylinderkopf und das weitere Gehäuseteil eine Zylinderkopfhaube ausbildet, in welche die elektrischen Bauteile teilweise oder ganz integriert sind und welche über mindestens eine Leitung mit dem Motorsteuergerät verbunden ist.Furthermore, it is also conceivable that the cylinder head consists of only two housing parts consists of what the first housing part is the cylinder head and the further housing part forms a cylinder head cover, in which some or all of the electrical components are integrated and which are connected to the Engine control unit is connected.

Desweiteren kann in das Rahmenteil eine dem Zylinderkopf zugewandte Dichtleiste und/oder eine der Zylinderkopfhaube zugewandte Dichtleiste eingebracht sein.Furthermore, one facing the cylinder head can be in the frame part Sealing strip and / or one facing the cylinder head cover Sealing strip be introduced.

Claims (8)

Vorrichtung zur Kontaktierung eines Motorsteuergerätes mit Sromverbrauchern, insbesondere Aktuatoren einer elektromagnetischen Ventilsteuerung, von Brennkraftmaschinen, wobei die Brennkraftmaschine einen Zylinderkopf aufweist, der einen ersten Gehäuseteil und mindestens einen, an den ersten Gehäuseteil angeflanschten weiteren Gehäuseteil umfaßt, und wobei die Kontaktierung des Motorsteuergerätes mit den Stromverbrauchern mittels elektrischer Bauteile durch den weiteren Gehäuseteil erfolgt,
dadurch gekennzeichnet,
daß die elektrischen Bauteile (12, 12') zur Kontaktierung wenigstens teilweise in dem weiteren Gehäuseteil (3b, 3b') integriert sind.
Device for contacting a motor control device with current consumers, in particular actuators of an electromagnetic valve control, of internal combustion engines, the internal combustion engine having a cylinder head which comprises a first housing part and at least one further housing part flanged to the first housing part, and wherein the contacting of the motor control device with the current consumers is carried out by means of electrical components through the further housing part,
characterized,
that the electrical components (12, 12 ') for contacting are at least partially integrated in the further housing part (3b, 3b').
Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß die elektrischen Bauteile Leistungsendstufen (12, 12'), Leitungen und Steckeraufnahmen umfassen.
Device according to claim 1,
characterized,
that the electrical components comprise power amplifiers (12, 12 '), lines and plug receptacles.
Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß das weitere Gehäuseteil (3b, 3b') ein Rahmenteil bildet, das zwischen dem ersten den Zylinderkopf bildenden Gehäuseteil (3a) und einem eine Zylinderkopfhaube bildenden dritten Gehäuseteil vorgesehen ist, wobei die elektrischen Bauteile (12, 12') mindestens teilweise in das Rahmenteil (3b, 3b') integriert sind.
Device according to claim 1,
characterized,
that the further housing part (3b, 3b ') forms a frame part which is provided between the first housing part (3a) forming the cylinder head and a third housing part forming a cylinder head cover, the electrical components (12, 12') at least partially in the frame part (3b, 3b ') are integrated.
Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß das weitere Gehäuseteil eine Zylinderkopfhaube bildet, in das die elektrischen Bauteile (12, 12') mindestens teilweise integriert sind.
Device according to claim 1,
characterized,
that the further housing part forms a cylinder head cover, in which the electrical components (12, 12 ') are at least partially integrated.
Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß die Leitungen und die Steckeraufnahmen in das weitere Gehäuseteil (3b') integriert sind und die Leistungsendstufen (12') an dem Gehäuseteil (3b') angeordnet sind.
Device according to claim 1,
characterized,
that the lines and the plug receptacles are integrated in the further housing part (3b ') and the power output stages (12') are arranged on the housing part (3b ').
Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß das weitere Gehäuseteil (3b, 3b') bzw. die Leistungsendstufen (12, 12') über mindestens ein Kabel mit dem Motorsteuergerät verbunden ist bzw. sind.
Device according to claim 1,
characterized,
that the further housing part (3b, 3b ') or the power output stages (12, 12') is or are connected to the engine control unit via at least one cable.
Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß die Stromverbraucher (1, 2) jeweils mindestens eine Leitung (17, 18) mit Stecker (13, 14, 14') aufweisen, wobei der Stecker (14, 14') in die Steckeraufnahme des weiteren Gehäuseteils (3b, 3b') einsteckbar ist.
Device according to claim 1,
characterized,
that the current consumers (1, 2) each have at least one line (17, 18) with plug (13, 14, 14 '), the plug (14, 14') in the plug receptacle of the further housing part (3b, 3b ') is insertable.
Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß in das Rahmenteil (3b, 3b') eine dem Zylinderkopf (3a) zugewandte Dichtleiste und/oder eine der Zylinderkopfhaube zugewandte Dichtleiste eingebracht ist.
Device according to claim 1,
characterized,
that a sealing strip facing the cylinder head (3a) and / or a sealing strip facing the cylinder head cover is introduced into the frame part (3b, 3b ').
EP99121327A 1998-11-26 1999-10-26 Connector arrangement for engine control system Expired - Lifetime EP1004754B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19854542 1998-11-26
DE19854542A DE19854542C1 (en) 1998-11-26 1998-11-26 Contact device for engine control e.g. valve timing control for IC engine, uses electrical components integrated in frame part of engine cylinder head

Publications (3)

Publication Number Publication Date
EP1004754A2 true EP1004754A2 (en) 2000-05-31
EP1004754A3 EP1004754A3 (en) 2001-01-31
EP1004754B1 EP1004754B1 (en) 2003-01-29

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ID=7889076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99121327A Expired - Lifetime EP1004754B1 (en) 1998-11-26 1999-10-26 Connector arrangement for engine control system

Country Status (3)

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US (1) US6247435B1 (en)
EP (1) EP1004754B1 (en)
DE (2) DE19854542C1 (en)

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Also Published As

Publication number Publication date
US6247435B1 (en) 2001-06-19
DE19854542C1 (en) 2000-04-13
EP1004754B1 (en) 2003-01-29
EP1004754A3 (en) 2001-01-31
DE59904154D1 (en) 2003-03-06

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