EP1148223B1 - Throttle valve actuator - Google Patents
Throttle valve actuator Download PDFInfo
- Publication number
- EP1148223B1 EP1148223B1 EP01105227A EP01105227A EP1148223B1 EP 1148223 B1 EP1148223 B1 EP 1148223B1 EP 01105227 A EP01105227 A EP 01105227A EP 01105227 A EP01105227 A EP 01105227A EP 1148223 B1 EP1148223 B1 EP 1148223B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- throttle
- valve actuator
- conductor
- actuator according
- conductors
- 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
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Classifications
-
- 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
- F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like
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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
- F02D2011/101—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 characterised by the means for actuating the throttles
- F02D2011/102—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 characterised by the means for actuating the throttles at least one throttle being moved only by an electric actuator
Definitions
- the invention relates to a throttle valve actuator for a Motor vehicle engine, which one with electrical energy to supplying servomotor and spatially separated from a potentiometer for determining the position of a shaft of the throttle valve Has the throttle plate with a one with supports fixed conductor bridge supported in the throttle valve actuator comprising which two rigid conductor rails for power supply of the servomotor and conductor for contacting printed conductors of the potentiometer has, and that each of the two Ladder rails and the ladder each with a pin a connector receptacle of the conductor bridge are connected.
- Throttle valve actuator of the above type are in today Motor vehicles with so-called E-gas available and therefore known. With them the power adjustment does not take place more by mechanical coupling of the accelerator pedal with the throttle, but by electrical control commands depending from the accelerator pedal position. This leads a wiring harness into the throttle valve positioner with the potentiometer the control electronics and the servomotor with by Control electronics controlled to connect electrical energy. Problematic with such electrical connections over Cable is that it is relatively easy to break cables due to swinging can come in self-resonance. Often there is mounting also the risk of having cables between a housing and to be clamped on a lid to be placed on it. For device internal Plug connections are caused by movements in the Range of electrical connections and under the influence the temperature to contact fretting (friction oxidation).
- a throttle valve actuator for a Motor vehicle engine which one with electrical energy to be supplied servomotor and spatially separated a potentiometer for determining the position of a shaft of Throttle has, known.
- This throttle valve actuator has a conductor bridge of two elastic tracks to Power supply of the servomotor.
- the invention is based on the problem, a throttle valve actuator of the type mentioned above in such a way that his required electrical connections as simple as possible designed, however, against vibrations and in one Motor vehicle occurring, high temperatures possible insensitive.
- the Ladder rails two by injection molding in an injection mold connect generated plastic body together, which each having one of the supports.
- the throttle valve actuator supported conductor bridge makes the laying of individual cables in the throttle valve actuator and the creation of individual, electrical connections unnecessary. This reduces the assembly effort and it can Space for such cables can be saved.
- the inventive conductor bridge could even serve as a carrier for additional components, for example for a suppression choke, bleeder resistors, motor brushes with pigtails and the like. Over a provided in plastic breaking point can by kinking then exposed conductor pieces for tolerance compensation be used.
- the conductor bridge can with its two plastic bodies in be produced in an injection molding process, if
- the conductor rails along with the ladders and the pins as usable in an injection mold and there to form the Plastic body at the ends to be encapsulated insert are formed.
- the insert can be inserted into the injection mold as a single, one-piece component are formed when it in the field of plastic body after injection molding by free distances to be removed connecting webs between having the conductor rails and the conductors.
- Electric conductors work very well against corrosion protect and have high electrical conductivity, when you apply them with a high-gloss metal layer covers, in particular gilded or silvered.
- coatings have a high reflectivity, so that high power is required for laser welding is.
- this has the disadvantage that very easily through the laser beam holes in the material to be welded arise and therefore no welded connection too Come. Difficulty in laser welding through too high reflectivity can then be Avoid using the insert completely with a coated electrically conductive, high-gloss metal layer is when the terminal lugs in the range of laser light welding by embossing a rough surface exhibit. As a result, an undesirably high reflection of the laser light prevented.
- the insert has a particularly good electrical conductivity and very low electrical contact resistance and, overall, has little tendency for corrosion when it is completely covered with silver.
- the contacting of the servomotor is by simple Sliding the conductor bridge possible without the danger of a contact franchise, if according to another Development of the invention, the conductor rails in the actuator associated with the plastic body with two Contact post ends and the actuator two in one sharp angles against these contact posts, a clamping cutting connection enabling contact lugs Has.
- the throttle plate actuator can also be designed in such a way that inside its housing no connectors must be done when the pins in one sealing led out of the throttle actuator, outer device connectors are arranged.
- FIG. 1 shows a brush holder by a servomotor 1 and at a distance next to a potentiometer 2, which the position tap a throttle shaft is used.
- Conductor bridge 3 For electrical connection of these components is used
- Conductor bridge 3 This has two conductor rails 4, 5, which at their ends each with a two conductor rails 4, 5 common plastic body 6, 7 overmoulded are.
- Both plastic body 6, 7 have at the bottom a support 8, 9, with which they are in a throttle plate sit up and are fastened.
- the plastic body 7 has a connector receptacle 10 with Pins 11 to 16.
- the two right pins 15, 16 each have one of the conductor rails 4, 5 connection.
- From the plastic body 7 lead elastic Terminal lugs 17-20 for printed conductors 21-24 of the potentiometer 2. These terminal lugs 17 - 20 were by laser welding with the tracks 21-24 connected, with each connecting lug to increase before The roughness of their surface provided with stampings has been.
- FIG. 2 shows the conductor bridge 3 as an individual part. To see are in the support 9 of the plastic body. 6 two upstanding contact posts 25, 26. The contact post 25 is connected to the conductor rail 5, while the contact post 26 with the conductor rail 4th Has connection. Against each of the contact posts 25, 26 is in the assembled state, not shown contact lug of the brush holder 1 at an acute angle such that the brush holder 1 from above on the Contact post 25, 26 can be postponed, the contact flags but bang up like a barb, if you wanted to pull off the brush holder 1 again.
- FIG. 3 shows an insert 27, which the conductor rails 4, 5 with the contact posts 25, 26, the plug pins 11-16 and the terminal lugs 17-20 having.
- Each of the terminal lugs 17-20 is connected via a Ladder 28 with one of the pins 11 - 15 electrically connected.
- one-piece component are, for example, the conductor rails 4, 5 and the conductors 28 by connecting webs 29, 30 with each other connected. In the previously explained Figure 2 are on the corresponding places free breaks 31, 32 to recognize.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
Die Erfindung betrifft einen Drosselklappensteller für einen Kraftfahrzeugmotor, welcher einen mit elektrischer Energie zu versorgenden Stellmotor und räumlich getrennt davon ein Potentiometer zur Positionsermittlung einer Welle der Drosselklappe hat wobei der Drosselklappensteller eine mit Abstützungen fest im Drosselklappensteller abgestützte Leiterbrücke aufweist, welche zwei starre Leiterschienen zur Energieversorgung des Stellmotors und Leiter zur Kontaktierung von Leiterbahnen des Potentiometers hat, und dass jede der beiden Leiterschienen und die Leiter jeweils mit einem Steckerstift einer Steckeraufnahme der Leiterbrücke verbunden sind.The invention relates to a throttle valve actuator for a Motor vehicle engine, which one with electrical energy to supplying servomotor and spatially separated from a potentiometer for determining the position of a shaft of the throttle valve Has the throttle plate with a one with supports fixed conductor bridge supported in the throttle valve actuator comprising which two rigid conductor rails for power supply of the servomotor and conductor for contacting printed conductors of the potentiometer has, and that each of the two Ladder rails and the ladder each with a pin a connector receptacle of the conductor bridge are connected.
Drosselklappensteller der vorstehenden Art sind in heutigen Kraftfahrzeugen mit sogenanntem E-Gas vorhanden und deshalb bekannt. Bei ihnen erfolgt die Leistungsverstellung nicht mehr durch mechanische Kopplung des Fahrpedals mit der Drosselklappe, sondern durch elektrische Stellbefehle in Abhängigkeit von der Fahrpedalstellung. Dabei führt ein Kabelbaum in den Drosselklappensteller hinein, um das Potentiometer mit der Stellelektronik und um den Stellmotor mit durch die Stellelektronik gesteuerter, elektrischer Energie zu verbinden. Problematisch bei solchen elektrischen Verbindungen über Kabel ist, dass es relativ leicht zu Kabelbrüchen durch Aufschwingen in Eigenresonanz kommen kann. Oftmals besteht bei der Montage auch die Gefahr, dass Kabel zwischen einem Gehäuse und einem darauf zu setzenden Deckel eingeklemmt werden. Bei geräteinternen Steckverbindungen kommt es durch Bewegungen im Bereich der elektrischen Verbindungen und unter dem Einfluss der Temperatur zu Kontaktfretting (Reiboxidation).Throttle valve actuator of the above type are in today Motor vehicles with so-called E-gas available and therefore known. With them the power adjustment does not take place more by mechanical coupling of the accelerator pedal with the throttle, but by electrical control commands depending from the accelerator pedal position. This leads a wiring harness into the throttle valve positioner with the potentiometer the control electronics and the servomotor with by Control electronics controlled to connect electrical energy. Problematic with such electrical connections over Cable is that it is relatively easy to break cables due to swinging can come in self-resonance. Often there is mounting also the risk of having cables between a housing and to be clamped on a lid to be placed on it. For device internal Plug connections are caused by movements in the Range of electrical connections and under the influence the temperature to contact fretting (friction oxidation).
Aus der DE 195 25 510 A ist ein Drosselklappensteller der eingangs genannten Art bekannt. Dabei sind die Leiterschienen der Leiterbrücke und die Leiter zur Kontaktierung von Leiterbahnen des Potentiometers teilweise in den Deckel des Drosselklappenstellers eingegossen.From DE 195 25 510 A is a throttle actuator of the known type. Here are the conductor rails the conductor bridge and the conductors for contacting printed conductors Part of the potentiometer in the lid of the throttle valve adjuster cast.
Aus der DE 198 00 707 A ist ein Drosselklappensteller für einen Kraftfahrzeugmotor, welcher einen mit elektrischer Energie zu versorgenden Stellmotor und räumlich davon getrennt ein Potentiometer zur Positionsermittlung einer Welle der Drosselklappe hat, bekannt. Dieser Drosselklappensteller besitzt eine Leiterbrücke aus zwei elastischen Leiterbahnen zur Energieversorgung des Stellmotors.From DE 198 00 707 A is a throttle valve actuator for a Motor vehicle engine, which one with electrical energy to be supplied servomotor and spatially separated a potentiometer for determining the position of a shaft of Throttle has, known. This throttle valve actuator has a conductor bridge of two elastic tracks to Power supply of the servomotor.
Aus der DE 43 17 950 A ist die Nutzung von Laserschweißen in Verbindung mit beschichteten Materialien im Bereich von Steuergeräten der Automobilelektronik bekannt.From DE 43 17 950 A is the use of laser welding in Connection with coated materials in the area of control units the automotive electronics known.
Eine Nutzung von Metallbeschichtungen, insbesondere von Silberbeschichtungen zur Verbesserung der elektrischen und mechanischen Eigenschaften von Leitern im Bereich der Automobilelektronik ist aus der US-A-5 139 890 bekannt.Use of metal coatings, especially silver coatings to improve the electrical and mechanical Properties of conductors in the field of automotive electronics is known from US-A-5 139 890.
Der Erfindung liegt das Problem zugrunde, einen Drosselklappensteller der eingangs genannten Art so auszubilden, dass seine erforderlichen elektrischen Verbindungen möglichst einfach gestaltet, jedoch gegenüber Schwingungen und den in einem Kraftfahrzeug auftretenden, hohen Temperaturen möglichst unempfindlich sind.The invention is based on the problem, a throttle valve actuator of the type mentioned above in such a way that his required electrical connections as simple as possible designed, however, against vibrations and in one Motor vehicle occurring, high temperatures possible insensitive.
Dieses Problem wird erfindungsgemäß dadurch gelöst, dass. die Leiterschienen zwei durch Spritzgießen in einer Spritzgießform erzeugte Kunststoffkörper miteinander verbinden, welche jeweils eine der Abstützungen aufweisen.This problem is inventively achieved in that. The Ladder rails two by injection molding in an injection mold connect generated plastic body together, which each having one of the supports.
Durch diese konstruktiv besonders einfach in dem Drosselklappensteller abgestützte Leiterbrücke erfolgt die Stromverteilung über ein starres Bauteil, welches nicht zum Schwingen neigt und bei dem während des Aufschiebens oder Abziehens des Steckers zum Verbinden mit der Stellelektronik keine Kräfte in die elektrischen Verbindungen mit dem Potentiometer und dem Stellmotor geleitet werden. Weiterhin macht die Leiterbrücke die Verlegung einzelner Kabel im Drosselklappensteller und das Erstellen einzelner, elektrischer Verbindungen unnötig. Dadurch verringert sich der Montageaufwand und es kann Platz für solche Kabel eingespart werden. Weiterhin wird durch die Erfindung sichergestellt, dass beim Aufbringen eines Deckels auf das Gehäuse des Drosselklappenstellers keine elektrischen Leitungen eingeklemmt werden können. Die erfindungsgemäße Leiterbrücke könnte sogar als Träger für zusätzliche Bauteile dienen, beispielsweise für eine Entstördrossel, Ableitwiderstände, Motorkohlebürsten mit Anschlusslitzen und dergleichen. Über eine im Kunststoff vorgesehene Sollbruchstelle können durch Abknicken danach frei liegenden Leiterbahnstücke zum Toleranzausgleich genutzt werden.By this constructive particularly easy in the throttle valve actuator supported conductor bridge is the power distribution over a rigid component, which does not oscillate tends and during the postponement or removal of the Connector for connecting to the control electronics no forces in the electrical connections with the potentiometer and to the servomotor. Furthermore, the conductor bridge makes the laying of individual cables in the throttle valve actuator and the creation of individual, electrical connections unnecessary. This reduces the assembly effort and it can Space for such cables can be saved. Continue ensured by the invention that when applying a Lids on the housing the throttle valve actuator no electrical lines can be trapped. The inventive conductor bridge could even serve as a carrier for additional components, for example for a suppression choke, bleeder resistors, motor brushes with pigtails and the like. Over a provided in plastic breaking point can by kinking then exposed conductor pieces for tolerance compensation be used.
Die Leiterbrücke kann mit ihren beiden Kunststoffkörpern in einem Arbeitsgang im Spritzgießverfahren erzeugt werden, wenn gemäß einer anderen Weiterbildung der Erfindung die Leiterschienen zusammen mit den Leitern und den Steckerstiften als in eine Spritzgießform einsetzbares und dort zur Bildung der Kunststoffkörper an den Enden zu umspritzendes Einlegeteil ausgebildet sind.The conductor bridge can with its two plastic bodies in be produced in an injection molding process, if According to another embodiment of the invention, the conductor rails along with the ladders and the pins as usable in an injection mold and there to form the Plastic body at the ends to be encapsulated insert are formed.
Das Einlegeteil kann zum Einlegen in die Spritzgießform als ein einziges, einstückiges Bauteil ausgebildet werden, wenn es im Bereich der Kunststoffkörper nach dem Spritzgießen durch Freistanzungen zu entfernende Verbindungsstege zwischen den Leiterschienen und den Leitern aufweist.The insert can be inserted into the injection mold as a single, one-piece component are formed when it in the field of plastic body after injection molding by free distances to be removed connecting webs between having the conductor rails and the conductors.
Kontaktkorossionen durch Relativbewegungen zwischen den Anschlussfahnen der Kontaktbrücke und den Leiterbahnen des Potentiometers lassen sich gänzlich ausschließen, wenn die Leiter mit elastischen Anschlussfahnen auf den Leiterbahnen des Potentiometers aufsitzen und mit diesen jeweils durch eine Laserlichtschweißung verbunden sind.Kontaktkorossionen by relative movements between the terminal lugs the contact bridge and the conductor tracks of the potentiometer can be completely excluded when the ladder with elastic connection lugs on the Put the conductor tracks of the potentiometer and with these each connected by a laser light welding.
Elektrische Leiter lassen sich sehr gut vor Korrosionen schützen und besitzen ein hohes elektrisches Leitvermögen, wenn man sie mit einer hochglänzenden Metallschicht überzieht, insbesondere vergoldet oder versilbert. Solche Beschichtungen haben jedoch ein hohes Reflexionsvermögen, so dass zum Laserschweißen eine hohe Leistung erforderlich ist. Das hat jedoch den Nachteil, dass sehr leicht durch den Laserstrahl Löcher in dem zu schweißenden Material entstehen und deshalb keine Schweißverbindung zu Stande kommt. Schwierigkeiten beim Laserschweißen durch ein zu hohes Reflexionsvermögen lassen sich auch dann vermeiden, wenn das Einlegeteil vollständig mit einer elektrisch leitenden, hochglänzenden Metallschicht überzogen ist, wenn die Anschlussfahnen im Bereich der Laserlichtschweißung durch eine Prägung eine raue Oberfläche aufweisen. Hierdurch wird eine unerwünscht hohe Reflexion des Laserlichtes verhindert.Electric conductors work very well against corrosion protect and have high electrical conductivity, when you apply them with a high-gloss metal layer covers, in particular gilded or silvered. Such However, coatings have a high reflectivity, so that high power is required for laser welding is. However, this has the disadvantage that very easily through the laser beam holes in the material to be welded arise and therefore no welded connection too Come. Difficulty in laser welding through too high reflectivity can then be Avoid using the insert completely with a coated electrically conductive, high-gloss metal layer is when the terminal lugs in the range of laser light welding by embossing a rough surface exhibit. As a result, an undesirably high reflection of the laser light prevented.
Das Einlegeteil hat eine besonders gute elektrische Leitfähigkeit und besonders geringe elektrische Übergangswiderstände und neigt insgesamt wenig zu Korrosionen, wenn es vollständig mit Silber überzogen ist.The insert has a particularly good electrical conductivity and very low electrical contact resistance and, overall, has little tendency for corrosion when it is completely covered with silver.
Die Kontaktierung des Stellmotors ist durch einfaches Aufschieben der Leiterbrücke möglich, ohne dass die Gefahr eines Kontaktfrettings besteht, wenn gemäß einer anderen Weiterbildung der Erfindung die Leiterschienen in dem dem Stellmotor zugeordneten Kunststoffkörper mit zwei Kontaktpfosten enden und der Stellmotor zwei in einem spitzen Winkel gegen diese Kontaktpfosten anliegende, eine Klemm-Schneidverbindung ermöglichende Kontaktfahnen hat. The contacting of the servomotor is by simple Sliding the conductor bridge possible without the danger of a contact franchise, if according to another Development of the invention, the conductor rails in the actuator associated with the plastic body with two Contact post ends and the actuator two in one sharp angles against these contact posts, a clamping cutting connection enabling contact lugs Has.
Der Drosselklappensteller kann auch so ausgebildet werden, dass innerhalb seines Gehäuses keinerlei Steckverbindungen erfolgen müssen, wenn die Steckerstifte in einem dichtend aus dem Drosselklappensteller herausgeführten, äußeren Gerätestecker angeordnet sind.The throttle plate actuator can also be designed in such a way that inside its housing no connectors must be done when the pins in one sealing led out of the throttle actuator, outer device connectors are arranged.
Die Erfindung lässt verschiedene Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips ist eine davon in der Zeichnung dargestellt und wird nachfolgend beschrieben. Diese zeigt in
- Fig.1
- eine perspektivische Ansicht von Einbauteilen eines Drosselklappenstellers mit einer Leiterbrücke nach der Erfindung,
- Fig.2
- die Leiterbrücke in perspektivischer Ansicht,
- Fig.3
- ein Einbauteil der Leiterbrücke in perspektivischer Ansicht.
- Fig.1
- a perspective view of components of a throttle valve actuator with a conductor bridge according to the invention,
- Fig.2
- the conductor bridge in perspective view,
- Figure 3
- a built-in part of the conductor bridge in perspective view.
Die Figur 1 zeigt von einem Stellmotor einen Bürstenhalter
1 und mit Abstand daneben ein Potentiometer 2, welches
dem Lagenabgriff einer Drosselklappenwelle dient.
Zur elektrischen Verbindung dieser Bauteile dient eine
Leiterbrücke 3. Diese hat zwei Leiterschienen 4, 5, welche
an ihren Enden jeweils mit einem beiden Leiterschienen
4, 5 gemeinsamen Kunststoffkörper 6, 7 umspritzt
sind. Beide Kunststoffkörper 6, 7 haben am unteren Ende
eine Abstützung 8, 9, mit der sie in einem Drosselklappensteller
aufsitzen und befestigt sind.FIG. 1 shows a brush holder by a
Der Kunststoffkörper 7 hat eine Steckeraufnahme 10 mit
Steckerstiften 11 bis 16. Die beiden rechten Steckerstifte
15, 16 haben jeweils mit einem der Leiterschienen
4, 5 Verbindung. Von dem Kunststoffkörper 7 führen elastische
Anschlussfahnen 17 - 20 zu Leiterbahnen 21 - 24
des Potentiometers 2. Diese Anschlussfahnen 17 - 20 wurden
durch Laserschweißen mit den Leiterbahnen 21 - 24
verbunden, wobei zuvor jede Anschlussfahne zur Erhöhung
der Rauigkeit ihrer Oberfläche mit Verprägungen versehen
wurde.The
Die Figur 2 zeigt die Leiterbrücke 3 als Einzelteil. Zu
sehen sind in der Abstützung 9 des Kunststoffkörpers 6
zwei nach oben ragende Kontaktpfosten 25, 26. Der Kontaktpfosten
25 ist mit der Leiterschiene 5 verbunden,
während der Kontaktpfosten 26 mit der Leiterschiene 4
Verbindung hat. Gegen jede der Kontaktpfosten 25, 26
liegt im montierten Zustand eine nicht dargestellte Kontaktfahne
des Bürstenhalters 1 in einem spitzen Winkel
derart an, dass der Bürstenhalter 1 von oben her auf die
Kontaktpfosten 25, 26 aufgeschoben werden kann, die Kontaktfahnen
sich jedoch widerhakenartig verklemmen, wenn
man den Bürstenhalter 1 wieder abziehen wollte.FIG. 2 shows the
Im linken Teil der Figur 2 erkennt man eine Aufnahme 33,
welche der Bauteilvorfixierung dient und die bei der Montage
über den entsprechenden Bereich des Potentiometers 2
geschoben wird.In the left part of Figure 2 can be seen a
Die Figur 3 lässt ein Einlegeteil 27 erkennen, welches
die Leiterschienen 4, 5 mit den Kontaktpfosten 25, 26,
die Steckerstifte 11 - 16 und die Anschlussfahnen 17 - 20
aufweist. Jede der Anschlussfahnen 17 - 20 ist über einen
Leiter 28 mit einem der Steckerstifte 11 - 15 elektrisch
verbunden. Um zu erreichen, dass es sich bei dem Einlegeteil
27 zunächst um ein einheitliches, einstückiges Bauteil
handelt, sind beispielsweise die Leiterschienen 4, 5
und die Leiter 28 durch Verbindungsstege 29, 30 miteinander
verbunden. In der zuvor erläuterten Figur 2 sind an
den entsprechenden Stellen Freistanzungen 31, 32 zu erkennen. FIG. 3 shows an
Zur Herstellung der Leiterbrücke 3 legt man das in Figur
3 gezeigte Einlegeteil 27 in eine Spritzgießform ein und
spritzt dann die Kunststoffkörper 6 und 7 in einem Arbeitsgang.
Danach entnimmt man das erzeugte Teil der
Spritzgießform und erzeugt in einem separaten Arbeitsgang
die Freistanzungen 31, 32, wodurch die Verbindungsstege
29, 30 durchtrennt werden und deshalb elektrisch voneinander
getrennte Strompfade entstehen.For the preparation of the
Claims (8)
- Throttle-valve actuator for a motor-vehicle engine, which has a servomotor which is to be supplied with electrical energy and, spatially separate from the latter, a potentiometer for determining the position of a shaft of the throttle valve, the throttle-valve actuator having a conductor bridge, which is supported firmly in the throttle-valve actuator by supports and has two rigid conductor bars for supplying energy to the servomotor and conductors for making contact with conductor tracks of the potentiometer, and each of the two conductor bars and the conductors being connected in each case to a plug pin of a plug socket of the conductor bridge, characterized in that the conductor bars (4, 5) connect two plastic bodies (6, 7) to one another which are produced by injection moulding in an injection mould and in each case have one of the supports (8, 9).
- Throttle-valve actuator according to Claim 1, characterized in that the conductor bars (4, 5) together with the conductors (28) and the plug pins (11 to 16) are designed as an insert part (27) which can be inserted into an injection mould and can be encapsulated there to form the plastic bodies (6, 7) at the ends.
- Throttle-valve actuator according to Claim 2, characterized in that, in the region of the plastic bodies (6, 7), the insert part (27) has, between the conductor bars (4, 5) and the conductors (28), connecting webs (29, 30) which can be removed after injection moulding by means of punch cuts (31, 32).
- Throttle-valve actuator according to at least one of the preceding claims, characterized in that the conductors (28) are seated by means of elastic connecting lugs (17 to 20) on the conductor tracks (21 to 24) of the potentiometer (2) and are connected to said conductor tracks (21 to 24) in each case by a laser weld.
- Throttle-valve actuator according to Claim 4, characterized in that the insert part (27) is completely covered with an electrically conducting high-gloss metal layer, and in that the connecting lugs (17 to 20) have a rough surface produced by stamping in the region of the laser weld.
- Throttle-valve actuator according to Claim 5, characterized in that the insert part (27) is completely covered with silver.
- Throttle-valve actuator according to at least one of the preceding claims, characterized in that the conductor bars (4, 5) end with two contact posts (25, 26) in the plastic body (6) associated with the servomotor, and the servomotor has two contact lugs which rest at an acute angle against these contact posts (25, 26) and allow an insulation displacement connection.
- Throttle-valve actuator according to at least one of the preceding claims, characterized in that the plug pins (11 to 16) are arranged in an outer connector socket projecting in a sealed manner from the throttle-valve actuator.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10019117 | 2000-04-18 | ||
| DE10019117A DE10019117A1 (en) | 2000-04-18 | 2000-04-18 | Throttle valve actuator |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1148223A2 EP1148223A2 (en) | 2001-10-24 |
| EP1148223A3 EP1148223A3 (en) | 2003-09-24 |
| EP1148223B1 true EP1148223B1 (en) | 2005-11-23 |
Family
ID=7639126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01105227A Expired - Lifetime EP1148223B1 (en) | 2000-04-18 | 2001-03-03 | Throttle valve actuator |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6478012B2 (en) |
| EP (1) | EP1148223B1 (en) |
| KR (1) | KR100771724B1 (en) |
| BR (1) | BR0101490A (en) |
| DE (2) | DE10019117A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10112427A1 (en) * | 2001-03-15 | 2002-09-19 | Bosch Gmbh Robert | Electric motor actuator unit for internal combustion engine comprises fuel or air feed system with sensor mounted on the bearer |
| DE10205615A1 (en) * | 2002-02-11 | 2003-08-28 | Leoni Ag | Device with a unit having an electrical connection |
| DE10341394A1 (en) * | 2003-09-05 | 2005-04-28 | Pierburg Gmbh | locking device |
| DE10353432B4 (en) | 2003-11-15 | 2009-07-09 | Pierburg Gmbh | Contact unit |
| DE102004059171A1 (en) * | 2004-12-08 | 2006-06-14 | Siemens Ag | Subunit for actuating a rotatably mounted shaft whose current angle of rotation is to be continuously detected |
| JP4378662B2 (en) * | 2008-01-31 | 2009-12-09 | トヨタ自動車株式会社 | Sealed battery manufacturing method |
| DE102009006529A1 (en) * | 2009-01-28 | 2010-08-26 | Continental Automotive Gmbh | position sensor |
| CN112582820A (en) * | 2020-12-15 | 2021-03-30 | 浙江胜华波电器股份有限公司 | Integrated reduction gearbox cover plate pin assembly and manufacturing method thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5139890A (en) * | 1991-09-30 | 1992-08-18 | Olin Corporation | Silver-coated electrical components |
| DE4317950A1 (en) * | 1993-05-28 | 1994-12-01 | Siemens Ag | Coated metal strip as a semi-finished product for electrical contact pieces and method for applying such contact pieces to a carrier |
| US5415144A (en) * | 1994-01-14 | 1995-05-16 | Robertshaw Controls Company | Throttle position validation method and apparatus |
| DE19525510B4 (en) * | 1995-07-13 | 2008-05-08 | Robert Bosch Gmbh | Throttle actuator |
| DE19540323B4 (en) * | 1995-10-28 | 2008-06-05 | Robert Bosch Gmbh | throttle body |
| DE19628379A1 (en) * | 1996-07-13 | 1998-01-15 | Pierburg Ag | Plastic throttle body |
| JP3361031B2 (en) * | 1997-03-19 | 2003-01-07 | 株式会社日立ユニシアオートモティブ | Electronically controlled throttle valve device for internal combustion engine |
| EP0911506A3 (en) * | 1997-10-21 | 2000-12-27 | Hitachi, Ltd. | Electronically controlled throttle apparatus for an engine |
| DE19800707A1 (en) * | 1998-01-10 | 1999-07-15 | Mannesmann Vdo Ag | Electrical connector |
| JP2000130210A (en) * | 1998-10-29 | 2000-05-09 | Aisin Seiki Co Ltd | Throttle control device |
| KR20010103145A (en) * | 1999-05-10 | 2001-11-23 | 가나이 쓰토무 | Throttle device for internal-combustion engine |
-
2000
- 2000-04-18 DE DE10019117A patent/DE10019117A1/en not_active Withdrawn
-
2001
- 2001-03-03 EP EP01105227A patent/EP1148223B1/en not_active Expired - Lifetime
- 2001-03-03 DE DE50108130T patent/DE50108130D1/en not_active Expired - Fee Related
- 2001-04-10 US US09/833,265 patent/US6478012B2/en not_active Expired - Fee Related
- 2001-04-17 BR BR0101490-0A patent/BR0101490A/en not_active Application Discontinuation
- 2001-04-18 KR KR1020010020854A patent/KR100771724B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR20010098710A (en) | 2001-11-08 |
| US6478012B2 (en) | 2002-11-12 |
| EP1148223A2 (en) | 2001-10-24 |
| DE10019117A1 (en) | 2001-12-13 |
| KR100771724B1 (en) | 2007-10-30 |
| BR0101490A (en) | 2001-11-13 |
| EP1148223A3 (en) | 2003-09-24 |
| US20010056008A1 (en) | 2001-12-27 |
| DE50108130D1 (en) | 2005-12-29 |
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