DE10255712A1 - Pedal unit for motor vehicle includes contactless linear sensor that has cursor element and stator element and that is connected to pedal lever to which cursor element is coupled - Google Patents

Pedal unit for motor vehicle includes contactless linear sensor that has cursor element and stator element and that is connected to pedal lever to which cursor element is coupled Download PDF

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Publication number
DE10255712A1
DE10255712A1 DE2002155712 DE10255712A DE10255712A1 DE 10255712 A1 DE10255712 A1 DE 10255712A1 DE 2002155712 DE2002155712 DE 2002155712 DE 10255712 A DE10255712 A DE 10255712A DE 10255712 A1 DE10255712 A1 DE 10255712A1
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Germany
Prior art keywords
cursor
accelerator pedal
pedal
linear sensor
lever
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Granted
Application number
DE2002155712
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German (de)
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DE10255712B4 (en
Inventor
Heinrich Berglar
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Hella GmbH and Co KGaA
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Hella KGaA Huek and Co
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Priority to DE2002155712 priority Critical patent/DE10255712B4/en
Publication of DE10255712A1 publication Critical patent/DE10255712A1/en
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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/30—Controlling members actuated by foot
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
    • B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Control Devices (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Abstract

The pedal unit includes a contactless linear sensor that has a cursor element (5) and a stator element and that is connected to a pedal lever (1). The cursor element is coupled backlash free with the pedal lever via a slaving element. Preferably, the linear sensor is an inductive sensor.

Description

Die Erfindung betrifft eine Fahrpedaleinrichtung für ein Kraftfahrzeug, mit einem kontaktlosen Linearsensor, der ein Cursorelement und ein Statorelement aufweist, und der mit einem Fahrpedalhebel verbunden ist.The invention relates to an accelerator pedal device for a Motor vehicle, with a contactless linear sensor, which is a cursor element and has a stator element, and which is connected to an accelerator pedal lever is.

Ein Fahrpedaleinrichtung mit einem kontaktlosen Linearsensor ist in der nicht vorveröffentlichten deutschen Patentanmeldung DE 102 35 697 beschrieben.An accelerator pedal device with a contactless linear sensor is in the unpublished German patent application DE 102 35 697 described.

Das Signal des kontaktlosen Sensors wird hierin durch die Stellung eines Cursors relativ zu einer Statorleiterplatte beeinflußt, wobei der Cursor bzw. das den Cursor tragende Cursorelement bei der bekannten Einrichtung mit dem Fahrpedalhebel verbunden. Dies kann in der Leerlaufstellung unter Umständen nachteilig sein. Wenn nämlich eine seitliche Kraft auf den Pedalarm einwirkt, findet aufgrund des immer vorhandenen Lagerspiels eine Verkippung des Pedalsarms und damit des mit ihm verbundenen Cursors statt. Diese Verkippung entspricht einer normalen kleinen Bewegung des Pedalarms. Demzufolge wird sich auch das Sensorsignal verändern. Dies ist unerwünscht und aus Sicherheitsgründen zumeist auch nicht zulässig.The signal of the contactless sensor is here by the position of a cursor relative to a stator circuit board affected where the cursor or the cursor element carrying the cursor the known device connected to the accelerator pedal lever. This may be disadvantageous in the idle position. If namely due to a lateral force acting on the pedal arm a tilting of the pedal arm of the always existing bearing play and the cursor associated with it. This tilt corresponds to a normal small movement of the pedal arm. As a result, the sensor signal will also change. This is undesirable and for safety reasons mostly not allowed.

Es ist die Aufgabe der Erfindung, eine Fahrpedaleinrichtung für ein Kraftfahrzeug, mit einem kontaktlosen Linearsensor zu schaffen, welche den vorgenannten Nachteil vermeidet.It is the object of the invention an accelerator pedal device for to create a motor vehicle with a contactless linear sensor which avoids the aforementioned disadvantage.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das Cursorelement über ein Mitnahmeelement spielfrei mit dem Fahrpedalhebel gekoppelt ist.This object is achieved according to the invention solved, that this Cursor element over a driving element is coupled to the accelerator pedal lever without play.

Die Erfindung beseitigt das Problem, in dem der Cursor von dem Pedalarm derartig entkoppelt wird, daß Verkippungen des Pedalarms keine Sensorsignaländerungen verursachen.The invention eliminates the problem in which the cursor is decoupled from the pedal arm in such a way that tilting of the pedal arm no sensor signal changes cause.

Dies wird dadurch realisiert, daß das Cursorelement derart ausgebildet ist, daß dessen Position direkt die Leerlaufstellung bestimmt. Ein Mitnahmeelement, welches spielfrei vorgespannt in den einen Abschnitt des Fahrpedalhebels greift, gleicht auftretende Verkippungen aus. Hierdurch kann die Lagerung des Pedalhebels sehr toleranzbehaftet und damit kostengünstig ausgeführt sein.This is realized in that the cursor element is designed such that its Position directly determines the idle position. A take-away element which is preloaded without play in one section of the accelerator pedal lever grips, compensates for any tilting that occurs. This allows the Storage of the pedal lever is very tolerant and therefore inexpensive.

Auch ein sich eventuell über die Lebensdauer durch Verschleiß vergrößerndes Lagerspiel hat damit keinen Einfluß mehr auf das Sensorsignal. Es ist somit eine einfache und robuste Ausführung eines Fahrpedalgebers mit einem kontaktlosem Sensor möglich.Also a possibly over the Lifespan increasing through wear Bearing clearance therefore no longer has any influence on the sensor signal. It is therefore a simple and robust design of an accelerator pedal sensor possible with a contactless sensor.

Im folgenden wird ein Ausführungsbeispiel der erfindungsgemäßen Fahrpedaleinrichtung anhand der Zeichnung dargestellt und näher erläutert. Es zeigen:In the following an embodiment of the Accelerator pedal device according to the invention illustrated with the aid of the drawing and explained in more detail. Show it:

1 eine schematische Seitenansicht der erfindungsgemäßen Fahrpedaleinrichtung und 1 is a schematic side view of the accelerator pedal device according to the invention and

2 eine Schnittzeichnung durch das Mitnahmeelement. 2 a sectional drawing through the driving element.

Die 1 zeigt in einer grobschematischen Darstellung die zur Erläuterung der Erfindung wesentlichen Elemente einer Fahrpedaleinrichtung. Der Fahrpedalhebel (1) ist als zweiarmiger Hebel ausgebildet, wobei der untere Hebelarm den die Pedalplatte (8) tragendenden Pedalarm (2) ausbildet und der obere Hebelarm (3) mit einem berührungslos arbeitenden Linearsensor, vorzugsweise mit einem nach einem induktiven Meßprinzip arbeitenden Linearsensor gekoppelt ist.The 1 shows in a rough schematic representation the elements of an accelerator pedal device essential for explaining the invention. The accelerator pedal lever ( 1 ) is designed as a two-armed lever, the lower lever arm being the pedal plate ( 8th ) supporting pedal arm ( 2 ) and the upper lever arm ( 3 ) is coupled with a non-contact linear sensor, preferably with a linear sensor working according to an inductive measuring principle.

Von diesem induktiven Linearsensor ist in der Figur lediglich der durch den oberen Hebelarm bewegliche, als Cursorelement (5) bezeichnete Abschnitt dargestellt. Das Cursorelement trägt als elektrisch wirksames Bauteil den Cursor (4), üblicherweise ausgeführt als geschlossene Leiterschleife, der mit einer nicht dargestellten Spulenanordnung, welche auf einer ebenfalls nicht dargestellten Leiterplatte angeordnet sein kann, zusammenwirkt.Of this inductive linear sensor, only the one that can be moved through the upper lever arm and acts as a cursor element ( 5 ) shown section. The cursor element carries the cursor as an electrically active component ( 4 ), usually designed as a closed conductor loop, which interacts with a coil arrangement, not shown, which can be arranged on a circuit board, also not shown.

Beim Bewegen des Fahrpedalhebels durch Treten der Pedalplatte (8) dreht sich der Fahrpedalhebel um die Lagerstelle (11), wobei der obere Hebelarm (3) die Rückstellfeder (7) zusammendrückt und gleichzeitig das Cursorelement (5) mit dem Cursor (4) auslenkt. Die Bewegung des Cursors (4) entlang eines kurzen, als annähernd linear anzusehenden Bogenstücks kann durch den induktiven Linearsensor ausgewertet werden.When moving the accelerator pedal lever by pressing the pedal plate ( 8th ) the accelerator pedal lever turns around the bearing point ( 11 ), the upper lever arm ( 3 ) the return spring ( 7 ) squeezes and at the same time the cursor element ( 5 ) with the cursor ( 4 ) deflects. The movement of the cursor ( 4 ) along a short, approximately linear section of the arc can be evaluated by the inductive linear sensor.

Das der Erfindung zugrundeliegende Problem besteht darin, daß beim Einwirken einer seitlichen Kraft auf den Pedalarm (2) aufgrund des immer vorhandenen Spiels an der Lagerstelle (11) eine Verkippung des Fahrpedalhebels (1) und damit des an ihm befestigten Cursors (4) auftritt. Diese Verkippung ist identisch mit einer normalen kleinen Bewegung des Pedalarms (2). Demzufolge wird sich auch das Sensorsignal verändern. Dies ist zumindest unerwünscht.The problem underlying the invention is that when a lateral force acts on the pedal arm ( 2 ) due to the always existing game at the depository ( 11 ) a tilt of the accelerator pedal lever ( 1 ) and thus the cursor attached to it ( 4 ) occurs. This tilt is identical to a normal small movement of the pedal arm ( 2 ). As a result, the sensor signal will also change. At least this is undesirable.

Die 2 zeigt die erfindungsgemäße Lösung des Problems. Diese besteht darin, daß das Cursorelement (5) nicht starr, sondern über ein Mitnahmeelement (9, 10) spielfrei an den Fahrpedalhebel (1) gekoppelt ist. Dieses Mitnahmeelement (9, 10) besteht hier aus einem am Cursorelement (5) angeordneten Stift (9), der in eine Buchse (10) des oberen Hebelarms (3) des Fahrpedalhebels (1) eingesetzt ist. Das Mitnahmeelement (9, 10) gleicht somit auf einfache Weise ein seitliches Verkippen des Fahrpedalhebels (1) aus.The 2 shows the solution of the problem according to the invention. This consists of the cursor element ( 5 ) not rigid, but via a driving element ( 9 . 10 ) without play on the accelerator pedal lever ( 1 ) is coupled. This take-away element ( 9 . 10 ) consists of one on the cursor element ( 5 ) arranged pin ( 9 ) into a socket ( 10 ) of the upper lever arm ( 3 ) of the accelerator pedal lever ( 1 ) is used. The driving element ( 9 . 10 ) is therefore easy to tilt the accelerator pedal to the side ( 1 ) out.

Zur weiteren mechanischen Stabilisierung des Cursorelementes (5) ist zudem vorteilhaft, wenn das Cursorelement (5) eine Nocke (12) aufweist, die in einer Gegenkontur am nichtdargestellten Fahrpedalgebergehäuse geführt ist.For further mechanical stabilization the cursor element ( 5 ) is also advantageous if the cursor element ( 5 ) a cam ( 12 ), which is guided in a counter-contour on the accelerator pedal housing, not shown.

11
FahrpedalhebelAccelerator lever
22
Pedalarmpedal arm
33
oberer Hebelarmupper lever arm
44
Cursorcursor
55
Cursorelementcursor element
66
LeerlaufanschlagIdle stop
77
RückstellfederReturn spring
88th
Pedalplattepedal plate
99
Stiftpen
1010
BuchseRifle
(9, 10)(9, 10)
Mitnahmeelementdriving element
1111
Lagerstelledepository
1212
Nockecam

Claims (4)

Fahrpedaleinrichtung für ein Kraftfahrzeug, mit einem kontaktlosen Linearsensor, der ein Cursorelement (5) und ein Statorelement aufweist, und der mit einem Fahrpedalhebel (1) verbunden ist, dadurch gekennzeichnet, daß das Cursorelement (5) über ein Mitnahmeelement (9, 10) spielfrei mit dem Fahrpedalhebel (1) gekoppelt ist.Accelerator pedal device for a motor vehicle, with a contactless linear sensor which has a cursor element ( 5 ) and has a stator element, and which with an accelerator pedal lever ( 1 ) is connected, characterized in that the cursor element ( 5 ) via a driving element ( 9 . 10 ) without play with the accelerator pedal lever ( 1 ) is coupled. Fahrpedaleinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Linearsensor ein induktiver Sensor ist.Accelerator pedal device according to claim 1, characterized in that the Linear sensor is an inductive sensor. Fahrpedaleinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Mitnahmeelement (9, 10) als ein mit dem Cursorelement (5) verbundener Stift (9) ausgebildet ist, der in eine Buchse (10) innerhalb des oberen Hebelarms (3) des Fahrpedalhebels (1) eingesetzt ist.Accelerator pedal device according to claim 1, characterized in that the driving element ( 9 . 10 ) as one with the cursor element ( 5 ) connected pin ( 9 ) is formed, which in a socket ( 10 ) inside the upper lever arm ( 3 ) of the accelerator pedal lever ( 1 ) is used. Fahrpedaleinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Cursorelement (5) eine Nocke (12) aufweist, die in einer Gegenkontur am Fahrpedalgebergehäuse geführt ist.Accelerator pedal device according to claim 1, characterized in that the cursor element ( 5 ) a cam ( 12 ), which is guided in a counter-contour on the accelerator pedal housing.
DE2002155712 2002-11-29 2002-11-29 Accelerator pedal device for a motor vehicle Expired - Fee Related DE10255712B4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2002155712 DE10255712B4 (en) 2002-11-29 2002-11-29 Accelerator pedal device for a motor vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2002155712 DE10255712B4 (en) 2002-11-29 2002-11-29 Accelerator pedal device for a motor vehicle

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DE10255712A1 true DE10255712A1 (en) 2004-06-09
DE10255712B4 DE10255712B4 (en) 2013-03-21

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1777095A2 (en) 2005-10-21 2007-04-25 AB Elektronik GmbH Accelerator pedal for motor vehicle
DE102008038808A1 (en) 2008-08-13 2010-02-25 Zf Friedrichshafen Ag Fußpedalmodul
DE102010028618A1 (en) * 2010-05-05 2011-11-10 Zf Friedrichshafen Ag Accelerator pedal for car, has base element, sensor arranged at base element in region adjacent to rotation axis, and donor element arranged at pedal element in region adjacent to axis

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4200525A1 (en) * 1991-03-14 1992-09-17 Gegauf Fritz Ag CONTROL DEVICE FOR THE DRIVE MOTOR OF A SEWING MACHINE
DE4337679A1 (en) * 1992-11-05 1994-05-11 Nippon Denso Co Vehicle gas pedal arrangement and electronic control unit - has restoration force mechanism, fluid or EM pedal resistance, and dc motor controlled by restoration force sensor
DE4331909A1 (en) * 1993-09-20 1995-03-23 Bosch Gmbh Robert Angle of rotation encoder
DE19732340A1 (en) * 1997-07-28 1999-02-04 Mannesmann Vdo Ag Accelerator pedal
DE29912963U1 (en) * 1999-07-24 1999-10-14 A B Elektronik Gmbh Pedal device
DE19915832A1 (en) * 1999-04-08 2000-07-06 Bayerische Motoren Werke Ag Vehicle with position transducer for power control element has Hall switch with magnet integrated into transducer cylinder and pick-up part for mounting on housing of transducer cylinder
DE10133194A1 (en) * 2001-07-07 2003-01-16 Hella Kg Hueck & Co Accelerator pedal device for setting the driving speed of a vehicle
DE10137602A1 (en) * 2001-08-01 2003-03-27 Hella Kg Hueck & Co Motor vehicle electro-mechanical braking system with a brake pedal and piston arrangement for generation of a control signal, has piston linked to a sensor rod such that lateral movement of the piston is not transmitted

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10235697B4 (en) * 2002-08-03 2014-02-06 Hella Kgaa Hueck & Co. Device for adjusting the driving speed of a motor vehicle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4200525A1 (en) * 1991-03-14 1992-09-17 Gegauf Fritz Ag CONTROL DEVICE FOR THE DRIVE MOTOR OF A SEWING MACHINE
DE4337679A1 (en) * 1992-11-05 1994-05-11 Nippon Denso Co Vehicle gas pedal arrangement and electronic control unit - has restoration force mechanism, fluid or EM pedal resistance, and dc motor controlled by restoration force sensor
DE4331909A1 (en) * 1993-09-20 1995-03-23 Bosch Gmbh Robert Angle of rotation encoder
DE19732340A1 (en) * 1997-07-28 1999-02-04 Mannesmann Vdo Ag Accelerator pedal
DE19915832A1 (en) * 1999-04-08 2000-07-06 Bayerische Motoren Werke Ag Vehicle with position transducer for power control element has Hall switch with magnet integrated into transducer cylinder and pick-up part for mounting on housing of transducer cylinder
DE29912963U1 (en) * 1999-07-24 1999-10-14 A B Elektronik Gmbh Pedal device
DE10133194A1 (en) * 2001-07-07 2003-01-16 Hella Kg Hueck & Co Accelerator pedal device for setting the driving speed of a vehicle
DE10137602A1 (en) * 2001-08-01 2003-03-27 Hella Kg Hueck & Co Motor vehicle electro-mechanical braking system with a brake pedal and piston arrangement for generation of a control signal, has piston linked to a sensor rod such that lateral movement of the piston is not transmitted

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1777095A2 (en) 2005-10-21 2007-04-25 AB Elektronik GmbH Accelerator pedal for motor vehicle
DE102005061277A1 (en) * 2005-10-21 2007-04-26 Ab Elektronik Gmbh Accelerator pedal for a car
DE102008038808A1 (en) 2008-08-13 2010-02-25 Zf Friedrichshafen Ag Fußpedalmodul
US8312789B2 (en) 2008-08-13 2012-11-20 Zf Friedrichshafen Ag Foot pedal module
DE102010028618A1 (en) * 2010-05-05 2011-11-10 Zf Friedrichshafen Ag Accelerator pedal for car, has base element, sensor arranged at base element in region adjacent to rotation axis, and donor element arranged at pedal element in region adjacent to axis

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