EP0848313A2 - Pédale d'accélération - Google Patents

Pédale d'accélération Download PDF

Info

Publication number
EP0848313A2
EP0848313A2 EP97120604A EP97120604A EP0848313A2 EP 0848313 A2 EP0848313 A2 EP 0848313A2 EP 97120604 A EP97120604 A EP 97120604A EP 97120604 A EP97120604 A EP 97120604A EP 0848313 A2 EP0848313 A2 EP 0848313A2
Authority
EP
European Patent Office
Prior art keywords
leaf spring
accelerator pedal
pedal
holding part
rear leaf
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.)
Withdrawn
Application number
EP97120604A
Other languages
German (de)
English (en)
Other versions
EP0848313A3 (fr
Inventor
Reinhard Zenker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Mannesmann VDO AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of EP0848313A2 publication Critical patent/EP0848313A2/fr
Publication of EP0848313A3 publication Critical patent/EP0848313A3/fr
Withdrawn legal-status Critical Current

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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
    • G05G1/38—Controlling members actuated by foot comprising means to continuously detect pedal position
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/03—Means for enhancing the operator's awareness of arrival of the controlling member at a command or datum position; Providing feel, e.g. means for creating a counterforce

Definitions

  • the invention relates to an accelerator pedal with one held by a holding part Pedal arm, which can be deflected by a foot force via a pedal plate and can be swung back into a basic position by two return springs, with a setpoint generator for generating an electrical signal depending from the position of the pedal arm and with a hysteresis link to Generation of a hysteresis when the pedal arm is reversed.
  • Such accelerators are used, for example, in a motor vehicle and are known with it.
  • the pedal arm is rigid and in attached to a hinge arranged on the holding part.
  • the two return springs are arranged to the pedal arm even in the event of a break to swing one of the return springs back into the basic position.
  • the Hysteresis link usually has a friction block that is against a friction surface is biased. When the accelerator pedal is pressed, the friction block slides over the friction surface and thus prevents a reversal of movement of the Pedal arm of the accelerator pedal immediately transferred to the setpoint device will.
  • a hysteresis link is very complex and prone to failure.
  • such an accelerator pedal consists of a great many Components that are complex to manufacture and assemble.
  • the invention is based on the problem of designing an accelerator pedal of the type mentioned at the outset in such a way that it is as simple to manufacture and assemble.
  • This problem is solved in accordance with the invention in that the pedal arm and the return springs are formed by two leaf springs lying one above the other and clamped in the holding part.
  • the accelerator pedal according to the invention does not need Bearing to hold the pedal arm, which is why there is no bearing wear can arise. Furthermore, there is none in the accelerator pedal according to the invention Hysteresis link to be installed separately. The hysteresis required is by sliding the leaf springs outside of the holding part generated and can for example by a surface treatment the leaf springs are changed.
  • the accelerator pedal according to the invention exists thus from a particularly few, easily manufactured components, which also are easy to assemble and can be either hanging or standing in the Motor vehicle to be attached.
  • the Pedal arm of the accelerator pedal according to the invention even in the event of a break the leaf springs reliably pivoted back into their basic position.
  • a Another advantage of the accelerator pedal according to the invention known accelerator pedal is that if one of the leaf springs breaks returned to its basic position with reduced damping. This is advantageous because the damping on the forces of both Return springs must be designed and if a return spring breaks there could be a danger that the strength of the remaining Return spring is not sufficient to put the accelerator pedal in the basic position bring.
  • the pedal plate is preferably on the leaf springs to be attached in such a way that they are necessary for the hysteresis of the accelerator pedal
  • the leaf springs do not interfere with each other.
  • the front leaf spring is through the bolt and the pedal plate performed so that the leaf springs unimpeded when pressed on the pedal plate slide over each other.
  • the attachment of the pedal plate is designed according to an advantageous Development of the invention structurally particularly simple if the pedal plate is attached to a bolt connected to the front leaf spring and if the bolt is in the area of one of the rear leaf springs Longitudinal extending hole penetrates and with a radial reaches behind the extended head area.
  • the leaf springs can make unwanted movements near the pedal plate that must not be transferred to the setpoint generator.
  • the Setpoint generator generates the electrical signals according to an advantageous Development of the invention only from damped movements of the accelerator pedal, when close to detecting the degree of bending of the leaf springs the holding part of the rear leaf spring is formed.
  • the detection of the position of the accelerator pedal can, as in the known Accelerator pedal using a potentiometer.
  • the setpoint generator designed However, it is particularly inexpensive if it is on the rear leaf spring arranged strain gauge is.
  • a used as setpoint generator Strain gauges also have the advantage of being particularly insensitive to contamination to be.
  • a measurement error of the strain gauge for example due to a temperature-related Change in length of the leaf springs could occur simply compensate if there is a strain gauge on each side of the rear leaf spring is arranged. As a result, when the accelerator pedal is pressed the strain gauge on the front of this leaf spring is stretched and on the back of the leaf spring compressed. The ratio of electrical The signals of the strain gauges to one another are therefore temperature-independent Measure of the degree of bending of the leaf springs.
  • the nose for the kick-down stop is designed according to an advantageous Development of the invention structurally particularly simple if it from one angled out of the rear leaf spring Spring tongue is formed.
  • the bending of the leaf springs can be according to an advantageous development simply limit the invention when an end stop on the pedal plate is arranged.
  • FIG. 1 shows an accelerator pedal according to the invention with a pedal arm 1 and a holding part 2.
  • the pedal arm 1 has a front leaf spring 3 and one rear leaf spring 4.
  • the leaf springs 3, 4 are at one end on the holding part 2 attached.
  • At the second end of the leaf springs 3, 4 is a pedal plate 5 arranged.
  • a third leaf spring 6 is fastened to the holding part 2, which runs towards the rear leaf spring 4 at an acute angle.
  • the leaf springs 3, 4 of the pedal arm 1 are loose outside the holding part 2 on top of each other.
  • On the leaf spring 4 is as a setpoint generator for an electrical signal depending on the degree of bending of the pedal arm 1 near the holding part 2 on each side Strain gauges 7, 8 attached.
  • the strain gauges 7, 8 generate electrical signals in Dependence on the degree of bending of the leaf springs 4.
  • a temperature-dependent Change in length of the strain gauges 7, 8 is easy to determine since it would affect both strain gauges 7, 8 equally.
  • An end stop 9 is arranged on the pedal plate 5, which has an overextension the leaf springs 3, 4 and the strain gauges 7, 8 prevented if that Accelerator pedal is mounted, for example, in a motor vehicle.
  • the pedal plate 5 is connected to the rear leaf spring 4 Bolt 10 attached.
  • This bolt 10 penetrates the front leaf spring 3, which has an elongated hole 11 in this area.
  • they are Leaf springs 3, 4 shown cut open in this area. Through this Design is the sliding of the leaf springs 3, 4 when pressed of the accelerator pedal is not hindered.
  • One end of the third leaf spring 6 lies in the basic position against the rear one Leaf spring 4 on.
  • the end slides the third leaf spring 6 via the rear leaf spring 4 and finally arrives against a protruding nose 12.
  • This nose 12 serves as Kick-down stop. If the third leaf spring 6 against the nose 12 arrives, a more or less large resistance is necessary to the pedal plate 5 further down.
  • FIG. 2 shows a view of the rear leaf spring 4 in the area of the Nose 12 from Figure 1. It can be clearly seen here that the nose 12 as part a spring tongue 13 machined out of the rear leaf spring 4 is.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
EP97120604A 1996-12-14 1997-11-25 Pédale d'accélération Withdrawn EP0848313A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996152084 DE19652084A1 (de) 1996-12-14 1996-12-14 Fahrpedal
DE19652084 1996-12-14

Publications (2)

Publication Number Publication Date
EP0848313A2 true EP0848313A2 (fr) 1998-06-17
EP0848313A3 EP0848313A3 (fr) 2001-02-07

Family

ID=7814728

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97120604A Withdrawn EP0848313A3 (fr) 1996-12-14 1997-11-25 Pédale d'accélération

Country Status (2)

Country Link
EP (1) EP0848313A3 (fr)
DE (1) DE19652084A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1233320A3 (fr) * 2001-02-14 2002-08-28 Siemens Aktiengesellschaft Pédale
GB2386172A (en) * 2002-01-31 2003-09-10 Visteon Global Tech Inc Brake pedal system with a flexible arm fixed at one end and a stop
WO2005026861A2 (fr) * 2003-09-08 2005-03-24 Robert Bosch Gmbh Dispositif pedale de vehicules automobiles
DE102006044692B4 (de) * 2006-09-22 2017-02-02 Deutsches Zentrum für Luft- und Raumfahrt e.V. Winkel-Messanordnung
WO2018046394A1 (fr) * 2016-09-06 2018-03-15 HELLA GmbH & Co. KGaA Pédale, en particulier pédale d'accélérateur
US10222278B2 (en) 2016-02-25 2019-03-05 Massachusetts Institute Of Technology Directional force sensing element and system

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10033297B4 (de) * 2000-05-10 2006-06-14 Ab Elektronik Gmbh Fahrpedalmodul
DE10046256A1 (de) * 2000-09-19 2002-03-28 Continental Teves Ag & Co Ohg Pedalmodul mit elastisch verformbaren Pedalhebel
DE10315589B4 (de) * 2003-04-05 2007-10-31 Teleflex Morse Gmbh Feder für ein Pedal
DE102010026956A1 (de) * 2010-07-12 2012-01-12 Methode Electronics Malta Ltd. Pedalanordnung
DE102022208418A1 (de) 2022-08-12 2024-02-15 Continental Automotive Technologies GmbH Betätigungsvorrichtung für ein Kraftfahrzeug

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241050A (en) * 1990-02-15 1991-08-21 Ford Motor Co Vehicle foot pedal mounting
DE4024018A1 (de) * 1990-07-28 1992-01-30 Bosch Gmbh Robert Stellungsgeber fuer gaspedal
GB2295352A (en) * 1994-11-26 1996-05-29 Ford Motor Co A pedal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1233320A3 (fr) * 2001-02-14 2002-08-28 Siemens Aktiengesellschaft Pédale
GB2386172A (en) * 2002-01-31 2003-09-10 Visteon Global Tech Inc Brake pedal system with a flexible arm fixed at one end and a stop
WO2005026861A2 (fr) * 2003-09-08 2005-03-24 Robert Bosch Gmbh Dispositif pedale de vehicules automobiles
WO2005026861A3 (fr) * 2003-09-08 2005-04-28 Bosch Gmbh Robert Dispositif pedale de vehicules automobiles
DE102006044692B4 (de) * 2006-09-22 2017-02-02 Deutsches Zentrum für Luft- und Raumfahrt e.V. Winkel-Messanordnung
US10222278B2 (en) 2016-02-25 2019-03-05 Massachusetts Institute Of Technology Directional force sensing element and system
WO2018046394A1 (fr) * 2016-09-06 2018-03-15 HELLA GmbH & Co. KGaA Pédale, en particulier pédale d'accélérateur

Also Published As

Publication number Publication date
EP0848313A3 (fr) 2001-02-07
DE19652084A1 (de) 1998-06-18

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