EP1865173A2 - Actuator for adjusting at least one flap in a combustion machine - Google Patents
Actuator for adjusting at least one flap in a combustion machine Download PDFInfo
- Publication number
- EP1865173A2 EP1865173A2 EP07105249A EP07105249A EP1865173A2 EP 1865173 A2 EP1865173 A2 EP 1865173A2 EP 07105249 A EP07105249 A EP 07105249A EP 07105249 A EP07105249 A EP 07105249A EP 1865173 A2 EP1865173 A2 EP 1865173A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- adjusting
- adjusting device
- lid
- flap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims description 13
- 239000004020 conductor Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/107—Manufacturing or mounting details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
- F02D2400/18—Packaging of the electronic circuit in a casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1075—Materials, e.g. composites
- F02D9/108—Plastics
Definitions
- the invention relates to an adjusting device for adjusting at least one flap in an internal combustion engine with a housing in which a gear unit and a drive motor are arranged and which can be closed by a lid, wherein the adjusting device for electrically connecting the drive motor and other electrical and electronic components, a stamped grid having.
- Such adjusting devices are used in internal combustion engines, for example for adjusting arranged in a suction tube swirl or Tumbleklappen. Also known is the use for switching flaps of intake manifolds for adjusting the effective vibration tube length. Furthermore, an integration of such adjusting devices in throttle body from various applications is known.
- a throttle body with an adjusting device described which has a one-piece housing, which has both the air intake pipe for receiving the throttle valve and a receiving space for a drive motor.
- a unilaterally open space for receiving a gear unit and a non-contact position detection device is arranged on the housing and on the opposite side a plate for fixing a lid which receives the electronics for the adjusting device, which is arranged on a circuit board.
- the unilaterally open space is also closed by a lid to which the non-contact position detection device is attached.
- electrical connection means are integrated, via which the electronics of the adjusting device via a plug can be contacted with electrical devices arranged outside the housing.
- the lids are produced by injection molding.
- an adjusting device for a throttle body which has only a single space for receiving the drive motor and the gear unit and the electronics.
- a stamped sheet metal part is partly cast for electrical contacting.
- the stamped sheet metal part is designed so that it has curved facing the room contacts, which are brought when mounting the lid on the housing by vertical placement in non-positive, resilient contact with the motor plug contacts and the grinders of a potentiometer.
- a disadvantage of the described embodiments is that the cover must first be positioned exactly to the axis of the flap and thus to the housing in order to produce the electrical contact with the motor. Already with slight twisting of the lid to the housing no reliable contact. Furthermore, it is possible with such an embodiment only with great effort to make any necessary changes due to the available space in terms of the position of the plug in an area outside the lid.
- Such a structure should also be able to be realized for an adjusting device whose plug is arranged in the region of the housing.
- the stamped grid has portions of conductor tracks, which are encapsulated in the plastic lid and not overmolded portions of the conductor tracks, which serve as a hinge for defined opening and closing of the lid relative to the housing.
- the arranged in the housing portions of the conductor tracks are also encapsulated plastic.
- welding processes or positive and non-positive electrical connections which arise in known embodiments when placing the lid or must be produced in separate processes, are completely dispensed with, since the entire electronics and electrical system manufactured as a single component and in one or two process steps in Plastic is shed.
- a control electronics and a contactless rotation angle sensor are integrated in the lid, so that can be dispensed with an external control or regulation.
- the contactless rotation angle sensor is preferably a magnetoresistive sensor which corresponds to a magnet arranged on an output shaft of the adjusting device and serves for bearing feedback. Depending on the application, it may be a switch for detecting end positions or a sensor active over the entire adjustment range.
- control electronics is arranged on a circuit board, which is at least partially encapsulated by plastic in the lid, so that the attachment of the board during the injection molding process is produced, so that a further assembly step is eliminated.
- a plug is preferably formed on the housing, via which the adjusting device is connected to an engine control unit of the internal combustion engine. Due to the arrangement of the plug on the housing significantly higher degrees of freedom with respect to the installation of the adjusting device in comparison to a Adjusting device can be achieved, wherein the plug must be formed on the cover part.
- the stamped grid is arranged in the lid and only the traces to the plug and for contacting the drive motor are mounted in the housing. This facilitates the manufacture of the electronics by simple shaping of the stamped grid and the injection process for the production of the housing and the lid.
- the non-overmolded sections of the strip conductors have defined fold lines, so that the non-overmolded sections of the strip conductors occupy a defined position when the cover is closed.
- the lid is fastened to the housing after closing by means of screws, whereby a simple opening of the adjusting device is made possible after assembly.
- Such an adjusting device thus ensures a reliable contacting of all electrical and electronic components of an adjusting device, at the same time the assembly and manufacturing costs are minimized. Welding or plugging processes during assembly are eliminated. Furthermore, there is a significant space reduction, since both the board and the punched grid and the rotation angle sensor are integrated in the lid.
- the figure shows a perspective view of an adjusting device according to the invention for a throttle body with opened lid.
- the adjusting device shown in the figure consists of a two-part housing 1, of which a first housing part 2 is designed substantially pot-shaped and serves to receive a drive motor, not shown, and a second housing part 3, which is substantially plate-shaped and extending from the edges of the plate 5 vertically extending side walls 4, which define a one-sided open space 6 with the plate 5 of the housing part 3, in which a transmission unit 7 is arranged.
- the first housing part 2 is inserted with the drive motor in a corresponding receptacle 8 on the plate 5 and fixed there. In this case, projects through an opening 9 in the plate 5, a drive shaft 10 of the drive motor, on which a first gear 11 is fixed.
- This gear 11 meshes with a second gear 12, which is rotatably mounted on a pin 13 which is made in one piece with the second housing part 3.
- This gear 12 is part of a double gear 14, the second wheel, which is not recognizable in the view, in turn meshes with a gear segment 15, which is arranged on an output shaft 16.
- a hidden by the gear segment 15 in the figure torsion spring which rotates the output shaft 16 and thus arranged on the shaft 16, not shown flap in a fail-save position in case of failure of the electronics or the drive motor.
- the flap can be mounted on the output shaft 16, for example via screws.
- a magnet 30 is arranged, which serves with a non-contact angle sensor 18 for detecting the angular position and corresponding control of the drive motor.
- the conductor tracks 19 of the stamped grid 21 are for the most part arranged in a cover 22 and encapsulated by the plastic of the cover 22. Through the lid 22, the space 6 of the housing 1 is closed.
- the printed conductors 19 have non-overmolded portions 23 as well as overmolded portions which are not recognizable in the illustration.
- the control electronics 20 as well as the non-contact angle sensor 18 are arranged on a circuit board 24, which is also at least partially encapsulated by the plastic of the lid 22. On the board 24, for example, the power transistors of the adjusting device can be arranged.
- the control electronics 20 and thus the circuit board 24 also has a connection to a connector 25 via the conductor tracks 19 and the lead frame 21 on.
- This plug 25 is either made in one piece with the second housing part 3 or is inserted with the conductor tracks arranged therein through an opening formed in the plate 5 and connected to the plate 5.
- the connector 25 can be made in this manner in an injection molding with the lid 22.
- either the punched grid 21 can first be overmolded by the plastic of the lid 22 or the housing 1, or the lid and the housing part 3 are sprayed in one process step.
- the plug 25 can be connected via an unillustrated counterpart with an engine control unit, also not shown.
- the non-overmolded sections 23 of the tracks 19 and the lead frame 21 further have fold lines 26, which serve as break points of the non-molded portions 23 of the tracks 19 during assembly of the lid 22 with the second housing part 3. From the drawing it is clear that these non-overmolded portions 23 serve as hinges when folding or unfolding the lid 22 and thus guide the lid relative to the second housing part 3.
- dome 27 On the second housing part 3 more dome 27 are further formed, which have an internal thread, so that the cover 22 can be releasably secured by not shown screws on the second housing part 3 after folding.
- a seal 29 is embedded, which, for example, by mounting syringes with the second housing part. 3 is firmly connected.
- the electrical contact is safe and has a long service life, in particular by the encapsulation of the stamped grid 21 and the printed conductors 19 in the lid and possibly also on the housing part 3 and the plug 25. Furthermore, the components cover 22, board 24, Punching grid 21 and rotation angle sensor 18 integrated in one component. Welding processes for contacting between the control electronics 20 and the plug 25 or the motor can thus be completely eliminated, whereby both the contact is improved and an assembly step can be saved.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Motor Or Generator Frames (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
Die Erfindung betrifft eine Stellvorrichtung zur Verstellung zumindest einer Klappe in einer Verbrennungskraftmaschine mit einem Gehäuse, in dem eine Getriebeeinheit und ein Antriebsmotor angeordnet sind und welches durch einen Deckel verschließbar ist, wobei die Stellvorrichtung zur elektrischen Verbindung des Antriebsmotors und anderer elektrischer und elektronischer Bauteile ein Stanzgitter aufweist.The invention relates to an adjusting device for adjusting at least one flap in an internal combustion engine with a housing in which a gear unit and a drive motor are arranged and which can be closed by a lid, wherein the adjusting device for electrically connecting the drive motor and other electrical and electronic components, a stamped grid having.
Derartige Stellvorrichtungen werden in Verbrennungskraftmaschinen beispielsweise zum Verstellen von in einem Saugrohr angeordneten Drall- oder Tumbleklappen benutzt. Bekannt ist auch die Verwendung für Schaltklappen von Saugrohren zur Verstellung der wirksamen Schwingrohrlänge. Des Weiteren ist eine Integration derartiger Stellvorrichtungen bei Drosselklappenstutzen aus verschiedenen Anmeldungen bekannt.Such adjusting devices are used in internal combustion engines, for example for adjusting arranged in a suction tube swirl or Tumbleklappen. Also known is the use for switching flaps of intake manifolds for adjusting the effective vibration tube length. Furthermore, an integration of such adjusting devices in throttle body from various applications is known.
So wird in der
Des Weiteren ist aus der
Des weiteren ist es bekannt eine elektrische Kontaktierung zwischen den elektrischen und elektronischen Bauteilen und einem Stanzgitter durch Schweißverbindungen herzustellen, was einen zusätzlich auszuführenden Verfahrensschritt darstellt.Furthermore, it is known to produce an electrical contact between the electrical and electronic components and a stamped grid by welded joints, which is an additional process step to be executed.
Nachteilig an den beschriebenen Ausführungen ist, dass der Deckel zunächst genau zur Achse der Klappe und somit zum Gehäuse positioniert werden muss, um die elektrische Kontaktierung zum Motor herzustellen. Bereits bei leichtem Verdrehen des Deckels zum Gehäuse entsteht keine zuverlässige Kontaktierung. Des Weiteren ist es bei einer derartigen Ausführung nur mit großem Aufwand möglich, aufgrund des vorhandenen Bauraums eventuell erforderliche Änderungen bezüglich der Lage des Steckers in einen Bereich außerhalb des Deckels vorzunehmen.A disadvantage of the described embodiments is that the cover must first be positioned exactly to the axis of the flap and thus to the housing in order to produce the electrical contact with the motor. Already with slight twisting of the lid to the housing no reliable contact. Furthermore, it is possible with such an embodiment only with great effort to make any necessary changes due to the available space in terms of the position of the plug in an area outside the lid.
Daher ist es Aufgabe der Erfindung, eine Stellvorrichtung zur Verstellung von Klappen zur Verfügung zu stellen, bei der eine zuverlässige elektrische Kontaktierung ohne Schweißstellen möglich wird und gleichzeitig eine Führung des Deckels zum Gehäuse zum einfacheren Zusammenbau gewährleistet wird. Ein derartiger Aufbau soll auch für eine Stellvorrichtung realisiert werden können, deren Stecker im Bereich des Gehäuses angeordnet ist.It is therefore an object of the invention to provide an adjusting device for the adjustment of flaps, in which a reliable electrical contact without welds is possible and at the same time a guide of the cover is ensured to the housing for easier assembly. Such a structure should also be able to be realized for an adjusting device whose plug is arranged in the region of the housing.
Diese Aufgabe wird dadurch gelöst, dass das Stanzgitter Abschnitte von Leiterbahnen aufweist, die im Deckel Kunststoff umspritzt sind und nicht umspritzte Abschnitte der Leiterbahnen aufweist, die als Scharnier zum definierten Auf- und Zuklappen des Deckels relativ zum Gehäuse dienen. Durch eine derartige Stellvorrichtung wird die Montage durch die Lagefixierung des Deckels zum Gehäuse vor dem Schließen des Deckels durch Klappen deutlich erleichtert, wobei gleichzeitig eine zuverlässige elektrische Kontaktierung mit einer langen Lebensdauer sichergestellt wird.This object is achieved in that the stamped grid has portions of conductor tracks, which are encapsulated in the plastic lid and not overmolded portions of the conductor tracks, which serve as a hinge for defined opening and closing of the lid relative to the housing. By such an adjusting device, the assembly is significantly facilitated by the fixing of the cover to the housing before closing the lid by flaps, at the same time a reliable electrical contact with a long service life is ensured.
In einer besonders vorteilhaften Ausgestaltung der Erfindung sind die im Gehäuse angeordneten Abschnitte der Leiterbahnen ebenfalls Kunststoff umspritzt. Somit kann auf Schweißprozesse oder form- und kraftschlüssige elektrische Verbindungen, welche in bekannten Ausführungen beim Aufsetzen des Deckels entstehen oder in gesonderten Prozessen hergestellt werden müssen, vollständig verzichtet werden, da die gesamte Elektronik und Elektrik als ein Bauteil hergestellt und in ein oder zwei Prozessschritten im Kunststoff vergossen wird.In a particularly advantageous embodiment of the invention, the arranged in the housing portions of the conductor tracks are also encapsulated plastic. Thus, welding processes or positive and non-positive electrical connections, which arise in known embodiments when placing the lid or must be produced in separate processes, are completely dispensed with, since the entire electronics and electrical system manufactured as a single component and in one or two process steps in Plastic is shed.
Vorzugsweise sind im Deckel eine Regelelektronik und ein berührungsloser Drehwinkelsensor integriert, so dass auf eine externe Ansteuerung oder Regelung verzichtet werden kann. Der berührungslose Drehwinkelsensor ist vorzugsweise ein magnetoresistiver Sensor, welcher mit einem auf einer Abtriebswelle der Stellvorrichtung angeordneten Magneten korrespondiert und zur Lagerückmeldung dient. Je nach Anwendung kann es sich um einen Schalter zur Detektierung von Endlagen oder einen über den gesamten Verstellbereich aktiven Sensor handeln.Preferably, a control electronics and a contactless rotation angle sensor are integrated in the lid, so that can be dispensed with an external control or regulation. The contactless rotation angle sensor is preferably a magnetoresistive sensor which corresponds to a magnet arranged on an output shaft of the adjusting device and serves for bearing feedback. Depending on the application, it may be a switch for detecting end positions or a sensor active over the entire adjustment range.
In einer weiterführenden Ausführungsform ist die Regelelektronik auf einer Platine angeordnet, welche zumindest teilweise von Kunststoff umspritzt im Deckel angeordnet ist, so dass auch die Befestigung der Platine beim Spritzgussprozess hergestellt wird, so dass ein weiterer Montageschritt entfällt.In a further embodiment, the control electronics is arranged on a circuit board, which is at least partially encapsulated by plastic in the lid, so that the attachment of the board during the injection molding process is produced, so that a further assembly step is eliminated.
Des Weiteren wird ein Stecker vorzugsweise am Gehäuse ausgebildet, über den die Stellvorrichtung mit einem Motorsteuergerät der Verbrennungskraftmaschine verbunden ist. Durch die Anordnung des Steckers am Gehäuse können deutlich höhere Freiheitsgrade bezüglich des Einbaus der Stellvorrichtung im Vergleich zu einer Stellvorrichtung erzielt werden, bei der der Stecker am Deckelteil ausgebildet sein muss.Furthermore, a plug is preferably formed on the housing, via which the adjusting device is connected to an engine control unit of the internal combustion engine. Due to the arrangement of the plug on the housing significantly higher degrees of freedom with respect to the installation of the adjusting device in comparison to a Adjusting device can be achieved, wherein the plug must be formed on the cover part.
In einer besonders bevorzugten Ausführungsform ist das Stanzgitter im Deckel angeordnet und lediglich die Leiterbahnen zum Stecker und zur Kontaktierung des Antriebsmotors sind im Gehäuse befestigt. Dies erleichtert die Herstellung der Elektronik durch einfache Formgebung des Stanzgitters sowie den Spritzvorgang zur Herstellung des Gehäuses und des Deckels.In a particularly preferred embodiment, the stamped grid is arranged in the lid and only the traces to the plug and for contacting the drive motor are mounted in the housing. This facilitates the manufacture of the electronics by simple shaping of the stamped grid and the injection process for the production of the housing and the lid.
In einer weiter führenden Ausführung weisen die nicht umspritzten Abschnitte der Leiterbahnen definierte Faltlinien auf, so dass die nicht umspritzten Abschnitte der Leitbahnen beim Zuklappen des Deckels eine definierte Stellung einnehmen. Hierdurch wird eine zusätzliche Lagefixierung des Deckels zum Gehäuse während des Zuklappvorgangs erreicht, wobei gleichzeitig verhindert wird, dass die frei liegenden Leiterbahnen durch falsche Lage nach dem Zusammenbau zu Störungen der Stellvorrichtung führen.In a further embodiment, the non-overmolded sections of the strip conductors have defined fold lines, so that the non-overmolded sections of the strip conductors occupy a defined position when the cover is closed. As a result, an additional positional fixing of the cover to the housing is achieved during the Zuklappvorgangs, at the same time prevents the exposed printed conductors lead by incorrect location after assembly to disturbances of the actuator.
Vorzugsweise wird der Deckel nach dem Zuklappen mittels Schrauben am Gehäuse befestigt, wodurch ein einfaches Öffnen der Stellvorrichtung nach dem Zusammenbau ermöglicht wird.Preferably, the lid is fastened to the housing after closing by means of screws, whereby a simple opening of the adjusting device is made possible after assembly.
Eine derartige Stellvorrichtung gewährleistet somit eine zuverlässige Kontaktierung aller elektrischer und elektronischer Bauteile einer Stellvorrichtung, wobei gleichzeitig der Montage- und Herstellungsaufwand minimiert wird. Schweiß- oder Steckprozesse beim Zusammenbau werden eliminiert. Des Weiteren entsteht eine deutliche Bauraumreduzierung, da sowohl die Platine als auch die Stanzgitter und der Drehwinkelsensor im Deckel integriert sind.Such an adjusting device thus ensures a reliable contacting of all electrical and electronic components of an adjusting device, at the same time the assembly and manufacturing costs are minimized. Welding or plugging processes during assembly are eliminated. Furthermore, there is a significant space reduction, since both the board and the punched grid and the rotation angle sensor are integrated in the lid.
Ein Ausführungsbeispiel ist in der Zeichnung dargestellt und wird nachfolgend beschrieben.An embodiment is shown in the drawing and will be described below.
Die Figur zeigt eine perspektivische Darstellung einer erfindungsgemäßen Stellvorrichtung für einen Drosselklappenstutzen mit aufgeklapptem Deckel.The figure shows a perspective view of an adjusting device according to the invention for a throttle body with opened lid.
Die in der Figur dargestellte Stellvorrichtung besteht aus einem zweiteiligen Gehäuse 1, wovon ein erstes Gehäuseteil 2 im wesentlichen topfförmig ausgeführt ist und zur Aufnahme eines nicht dargestellten Antriebsmotors dient sowie einem zweiten Gehäuseteil 3, welches im wesentlichen plattenförmig ausgebildet ist und sich von den Rändern der Platte 5 senkrecht erstreckende Seitenwände 4 aufweist, die mit der Platte 5 des Gehäuseteils 3 einen einseitig offenen Raum 6 begrenzen, in dem eine Getriebeeinheit 7 angeordnet ist. Von der zu den Seitenwänden 4 entgegengesetzten Seite der Platte 5 wird das erste Gehäuseteil 2 mit dem Antriebsmotor in eine entsprechende Aufnahme 8 an der Platte 5 gesteckt und dort befestigt. Dabei ragt durch eine Öffnung 9 in der Platte 5 eine Antriebswelle 10 des Antriebsmotors, auf der ein erstes Zahnrad 11 befestigt ist. Dieses Zahnrad 11 kämmt mit einem zweiten Zahnrad 12, welches auf einem Stift 13, der einteilig mit dem zweiten Gehäuseteil 3 hergestellt ist, drehbar gelagert ist. Dieses Zahnrad 12 ist Teil eines Doppelzahnrades 14, dessen zweites in der Ansicht nicht erkennbares Zahnrad wiederum mit einem Zahnradsegment 15 kämmt, welches auf einer Abtriebswelle 16 angeordnet ist.The adjusting device shown in the figure consists of a two-
In Verbindung mit der Abtriebswelle 16 steht eine durch das Zahnradsegment 15 in der Figur verdeckte Torsionsfeder, welche bei Ausfall der Elektronik oder des Antriebsmotors die Abtriebswelle 16 und somit eine auf der Welle 16 angeordnete, nicht dargestellte Klappe in eine fail-save Stellung dreht. Die Klappe kann auf der Abtriebswelle 16 beispielsweise über Schrauben befestigt werden. Auf dem zur Klappe entgegen gesetzten, im Raum 6 angeordneten Ende der Abtriebswelle 16 oder auf dem Zahnradsegment 15 ist ein Magnet 30 angeordnet, der mit einem berührungslosen Drehwinkelsensor 18 zur Erfassung der Drehwinkelstellung und entsprechenden Ansteuerung des Antriebsmotors dient.In conjunction with the
Zur Stromversorgung und entsprechenden Ansteuerung des Antriebsmotors weist dieser zwei ebenfalls durch die Platte 5 reichende, nicht dargestellte Kontaktelemente auf, welche über Leiterbahnen 19 mit einer Regelelektronik 20 verbunden sind. Die Leiterbahnen 19 sind Teil eines Stanzgitters 21, über welches elektrische Verbindungen zwischen allen elektrischen und elektronischen Bauteilen hergestellt werden.For power supply and corresponding control of the drive motor, this two also through the
Die Leiterbahnen 19 des Stanzgitters 21 sind größtenteils in einem Deckel 22 angeordnet und vom Kunststoff des Deckels 22 umspritzt. Durch den Deckel 22 wird der Raum 6 des Gehäuses 1 verschlossen.The conductor tracks 19 of the stamped
Die Leiterbahnen 19 weisen nicht umspritzte Abschnitte 23 sowie umspritzte Abschnitte, welche in der Darstellung nicht erkennbar sind, auf. Die Regelelektronik 20 ist ebenso wie der berührungslose Drehwinkelsensor 18 auf einer Platine 24 angeordnet, die ebenfalls zumindest teilweise vom Kunststoff des Deckels 22 umspritzt ist. Auf der Platine 24 können beispielsweise auch die Leistungstransistoren der Stellvorrichtung angeordnet sein.The printed conductors 19 have non-overmolded
Die Regelelektronik 20 und somit die Platine 24 weist auch eine Verbindung zu einem Stecker 25 über die Leiterbahnen 19 bzw. das Stanzgitter 21 auf. Dieser Stecker 25 ist entweder einteilig mit dem zweiten Gehäuseteil 3 ausgeführt oder wird mit den in ihm angeordneten Leiterbahnen durch eine in der Platte 5 ausgebildete Öffnung gesteckt und mit der Platte 5 verbunden. Bei der Herstellung ist es somit sowohl denkbar, die vom Kunststoff des Deckels 22 nicht umspritzten Abschnitte 23 des Stanzgitters 21 über Klemmverbindungen mit dem Stecker 25 bzw. den Kontaktelementen des Antriebsmotors zu verbinden als auch Teile der bis dahin nicht umspritzten Abschnitte 23 mit dem Kunststoff der Platte 5 bzw. des zweiten Gehäuseteils 3 oder des Steckers 25 bei der Herstellung des Gehäuseteils 3 zu umspritzen. Auch kann beispielsweise der Stecker 25 auf diese Art und Weise in einem Spritzgießvorgang mit dem Deckel 22 hergestellt werden. Ähnliches gilt auch für die Kontaktierung des Motors, wobei hier der Kontakt zwischen den Motorkontakten und den dann vom Kunststoff des zweiten Gehäuseteils 3 umspritzten Abschnitten der Leiterbahnen 19 sichergestellt werden muss. Dabei kann entweder zunächst das Stanzgitter 21 vom Kunststoff des Deckels 22 oder des Gehäuses 1 umspritzt werden oder der Deckel und das Gehäuseteil 3 werden in einem Verfahrensschritt gespritzt.The control electronics 20 and thus the circuit board 24 also has a connection to a
Der Stecker 25 kann über ein nicht dargestelltes Gegenstück mit einem ebenfalls nicht dargestellten Motorsteuergerät verbunden werden. Die nicht umspritzten Abschnitte 23 der Leiterbahnen 19 bzw. des Stanzgitters 21 weisen des Weiteren Faltlinien 26 auf, welche als Knickpunkte der nicht umspritzten Abschnitte 23 der Leiterbahnen 19 beim Zusammenbau des Deckels 22 mit dem zweiten Gehäuseteil 3 dienen. Aus der Zeichnung wird deutlich, dass diese nicht umspritzten Abschnitte 23 beim Zuklappen bzw. Aufklappen des Deckels 22 als Scharnier dienen und somit den Deckel relativ zum zweiten Gehäuseteil 3 führen.The
Am zweiten Gehäuseteil 3 sind des Weiteren mehrere Dome 27 ausgebildet, die ein Innengewinde aufweisen, so dass der Deckel 22 über nicht dargestellte Schrauben am zweiten Gehäuseteil 3 nach dem Zusammenklappen lösbar befestigt werden kann. Um eine Dichtigkeit des dann verschlossenen Raumes 6 sicherzustellen, ist am äußeren Rand der Platte 5 bzw. der Seitenwände 4 eine in Richtung zum Deckel 22 weisende Nut 28 ausgebildet, in der eine Dichtung 29 eingelassen ist, welche beispielsweise durch Montagespritzen mit dem zweiten Gehäuseteil 3 fest verbunden ist.On the
Der Zusammenbau einer derartigen Stellvorrichtung wird durch die Scharnierwirkung der nicht umspritzten Abschnitte 23 der Leiterbahnen 19 somit deutlich vereinfacht, da der Deckel 22 in jeder Winkellage des Deckels 22 zum Gehäuse 1 immer in einer definierten Lage zum Gehäuse 1 angeordnet ist.The assembly of such a control device is thus significantly simplified by the hinge action of the
Die elektrische Kontaktierung ist sicher und weist eine hohe Lebensdauer auf, insbesondere durch das Umspritzen des Stanzgitters 21 bzw. der Leiterbahnen 19 im Deckel und ggf. auch am Gehäuseteil 3 bzw. am Stecker 25. Des Weiteren werden die Bauteile Deckel 22, Platine 24, Stanzgitter 21 und Drehwinkelsensor 18 in einem Bauteil integriert. Schweißprozesse zur Kontaktierung zwischen der Regelelektronik 20 und dem Stecker 25 oder dem Motor können somit vollständig eliminiert werden, wodurch sowohl die Kontaktierung verbessert wird als auch ein Montageschritt eingespart werden kann.The electrical contact is safe and has a long service life, in particular by the encapsulation of the stamped
Es sollte klar sein, dass es in diesem Zusammenhang vorteilhaft ist, die nicht umspritzten Abschnitte 23 der Leiterbahnen 19 möglichst nah zur Drehachse des Deckels 22 anzuordnen, da auf diese Weise die Anordnung der nicht umspritzten Abschnitte 23 im zusammengebauten Zustand, welche über die Faltlinien 26 definiert werden kann, durch die mögliche Verkürzung der Leiterbahnen 19 deutlich vereinfacht wird. So können gegebenenfalls Öffnungswinkel bis 180°realisiert werden.It should be clear that it is advantageous in this context to arrange the
Selbstverständlich ist der Schutzbereich der Anmeldung nicht auf die beschriebene Ausführungsform insbesondere nicht auf die Verwendung als Stellvorrichtung einer Drosselklappe beschränkt. Auch ist es ebenfalls denkbar, statt des berührungslosen Drehwinkelsensors 18 ein Potentiometer am Deckel 22 anzuordnen, welches auf gleiche Weise über das umspritzte Stanzgitter 21 mit der Regelelektronik 20 oder dem Stecker 25 verbunden werden kann. Ebenso ist der Aufbau der Getriebeeinheit sowie deren Verwendung in weiten Teilen variierbar, ohne den Schutzbereich der Ansprüche zu verlassen.Of course, the scope of the application is not limited to the described embodiment, in particular not for use as a control device of a throttle valve. It is also conceivable, instead of the contactless
Claims (8)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006026446A DE102006026446B4 (en) | 2006-06-07 | 2006-06-07 | Cover for an actuator with a punched grid as a hinge |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1865173A2 true EP1865173A2 (en) | 2007-12-12 |
EP1865173A3 EP1865173A3 (en) | 2008-03-19 |
EP1865173B1 EP1865173B1 (en) | 2008-12-10 |
Family
ID=38567036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07105249A Active EP1865173B1 (en) | 2006-06-07 | 2007-03-29 | Actuator for adjusting at least one flap in a combustion machine |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070283923A1 (en) |
EP (1) | EP1865173B1 (en) |
AT (1) | ATE417194T1 (en) |
DE (2) | DE102006026446B4 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11557942B2 (en) | 2019-03-27 | 2023-01-17 | Mahle International Gmbh | Actuator device for adjusting an adjusting element, drive circuit for an actuator, manufacturing method for producing a drive circuit |
US11742729B2 (en) | 2019-03-27 | 2023-08-29 | Mahle International Gmbh | Drive circuit for an actuator, actuator device for adjusting an adjusting element, manufacturing method for producing a drive circuit, and a motor vehicle component producted according to the method |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008003954A1 (en) * | 2008-01-11 | 2009-07-23 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Printed circuit board carrier and method for producing a conductor carrier |
DE102008060174A1 (en) * | 2008-11-28 | 2010-06-02 | Prettl, Rolf | Punch grid for protection of e.g. passive elements, has multiple conductor path elements with two parts that comprise two component sides with two electrical components, respectively, where component sides are turned towards each other |
DE102008063772A1 (en) | 2008-12-22 | 2010-06-24 | Ipgate Ag | Rotation angle sensor for spindle drives of brake booster, for detecting rotational movement or position of body, particularly shaft, is provided with housings, in which sensor element is arranged for detecting rotational movement of magnet |
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2006
- 2006-06-07 DE DE102006026446A patent/DE102006026446B4/en not_active Expired - Fee Related
-
2007
- 2007-03-29 AT AT07105249T patent/ATE417194T1/en not_active IP Right Cessation
- 2007-03-29 EP EP07105249A patent/EP1865173B1/en active Active
- 2007-03-29 DE DE502007000283T patent/DE502007000283D1/en not_active Expired - Fee Related
- 2007-06-07 US US11/759,715 patent/US20070283923A1/en not_active Abandoned
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Publication number | Priority date | Publication date | Assignee | Title |
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DE19800707A1 (en) * | 1998-01-10 | 1999-07-15 | Mannesmann Vdo Ag | Electrical connector |
US20030196640A1 (en) * | 1999-05-10 | 2003-10-23 | Hitachi, Ltd. | Throttle device for internal-combustion engine |
EP1304465A1 (en) * | 2001-10-18 | 2003-04-23 | Alps Electric Co., Ltd. | Throttle valve control unit and manufacturing method thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US11557942B2 (en) | 2019-03-27 | 2023-01-17 | Mahle International Gmbh | Actuator device for adjusting an adjusting element, drive circuit for an actuator, manufacturing method for producing a drive circuit |
US11742729B2 (en) | 2019-03-27 | 2023-08-29 | Mahle International Gmbh | Drive circuit for an actuator, actuator device for adjusting an adjusting element, manufacturing method for producing a drive circuit, and a motor vehicle component producted according to the method |
Also Published As
Publication number | Publication date |
---|---|
ATE417194T1 (en) | 2008-12-15 |
US20070283923A1 (en) | 2007-12-13 |
DE102006026446A1 (en) | 2007-12-13 |
DE102006026446B4 (en) | 2009-02-26 |
EP1865173A3 (en) | 2008-03-19 |
DE502007000283D1 (en) | 2009-01-22 |
EP1865173B1 (en) | 2008-12-10 |
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