EP3267281A2 - Système de simulation de force exercée sur une pédale et véhicule automobile - Google Patents

Système de simulation de force exercée sur une pédale et véhicule automobile Download PDF

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Publication number
EP3267281A2
EP3267281A2 EP17174872.6A EP17174872A EP3267281A2 EP 3267281 A2 EP3267281 A2 EP 3267281A2 EP 17174872 A EP17174872 A EP 17174872A EP 3267281 A2 EP3267281 A2 EP 3267281A2
Authority
EP
European Patent Office
Prior art keywords
pedal
pedal force
simulation arrangement
force simulation
piston
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Withdrawn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
EP17174872.6A
Other languages
German (de)
English (en)
Other versions
EP3267281A3 (fr
Inventor
Fred Mäder
Boleslaw Tulaczko
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen 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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP3267281A2 publication Critical patent/EP3267281A2/fr
Publication of EP3267281A3 publication Critical patent/EP3267281A3/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Withdrawn legal-status Critical Current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
    • 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
    • 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

Definitions

  • the invention relates to a pedal force simulation arrangement for a motor vehicle with a cylinder, at least one piston arranged axially displaceable therein, and a force storage arrangement for generating a restoring force on the at least one piston.
  • a clutch pedal is present in which the pedal is no longer connected to a master cylinder, but the actuation of the clutch takes place by means of an actuator.
  • the clutch pedal is in contrast to a pure automated manual transmission but still available to capture the clutch request of the driver can.
  • the position of the clutch pedal can be detected with a sensor.
  • the pedal must be followed by a pedal force simulation assembly that simulates the force curve that provides the hydraulic link to the pedal.
  • Such a pedal force simulation arrangement is based on the DE 10 2015 202 875 A1 out.
  • This includes a piston-cylinder unit, wherein a complicated spring system engages the piston in order to simulate the desired counterforce on the pedal can.
  • the pedal force simulation arrangement has a single stationary bearing point.
  • the pedal force simulation assembly is attached to a single location on the motor vehicle. This simplifies, for example, already the construction of the cylinder to which the bearing point is usually mounted.
  • the bearing point may be formed at one end of the cylinder.
  • the bearing point forms a pivot about which the cylinder is rotatable.
  • the bearing point may be formed at the pedal end of the cylinder.
  • the bearing point can be formed on the underside of the pedal force simulation arrangement. This also facilitates the connection of the pedal.
  • the bearing point may comprise a bearing eye on the cylinder.
  • the piston can be fixedly connected to a piston rod.
  • the piston rod may preferably have an eye for connection to the pedal at the pedal end.
  • connecting elements can be provided at the pedal end, which allow a firm, jointless connection to the pedal. Since the cylinder is rotatably mounted, accordingly, the piston rotates when moving the pedal. This makes it possible to connect the piston rod and the pedal without joints. This further simplifies the production and connection of the pedal force simulation device.
  • the force storage arrangement may comprise at least two force storage units, the attack points on the piston in the axial direction are at least partially offset from each other.
  • the attack points on the piston in the axial direction are at least partially offset from each other.
  • the pedal force simulation arrangement has exactly one piston, which is axially displaceable in the cylinder.
  • the force storage unit can be designed as a spring arrangement.
  • Spring assemblies are inexpensive to manufacture and the force characteristics can be safely predict.
  • the force storage arrangement can have at least two force storage units which engage laterally on the piston.
  • the side means at the side or the sides and not at the end faces.
  • the pedal force simulation arrangement preferably only has force storage units which engage laterally on the piston.
  • the force storage units may have at least one bearing point on the piston, wherein the bearing point is located in a recess of the piston.
  • the bearing point is located in a recess of the piston.
  • the bearings can be arranged on the piston in the axial direction in the central region of the piston.
  • In the middle is basically the whole area of the piston apart from the end areas. In other words, the energy storage units attack laterally.
  • two force storage units are provided, which are arranged on opposite sides of the piston or the cylinder. If the first power storage unit in the installed position above, the second is arranged below. As a result, lateral forces can be avoided.
  • exactly one of the laterally acting force storage units can be arranged as an over-center power storage, in particular over-center spring.
  • an energy storage unit is an over dead center power storage depends on the axial point of attack and the piston movement within the cylinder. Accordingly, it can be achieved by the axial offset of the laterally acting energy storage units that only one of the energy storage units acts as Studentstot Vietnamese hearts.
  • the desired characteristic can be achieved with a minimum number of energy storage units.
  • the force storage arrangement can have exactly two energy storage units. These preferably engage both laterally on the piston, as already described as a possible embodiment.
  • the force storage arrangement may comprise at least one force storage unit which is mounted relative to the cylinder to at least one storage location, wherein the at least one Lagerpuort is arranged on a side surface of the force storage unit.
  • the at least one storage location may be formed on a housing portion.
  • the pedal force simulation arrangement has further housing sections which are connected to the cylinder.
  • the storage of the energy storage unit accordingly takes place with respect to the cylinder.
  • two storage locations may be formed at opposite locations of the force storage unit.
  • the force storage unit can then be rotatably mounted. Due to the rotatable mounting, it is possible to form the force storage unit as Kochtot Vietnamese Grande Grande maybe. As a result, the characteristics to be generated can be achieved.
  • an energy storage unit may have at least one joint housing and / or one joint shoe and the at least one storage location may be formed on the joint housing and / or joint shoe.
  • the spring assembly comprises a joint shoe and a joint housing, wherein the joint shoe and the joint housing are arranged at each one end of the spring.
  • the spring arrangement is preferably designed as a helical spring.
  • a joint housing differs from a joint shoe in that the joint housing has a wall on the outside. This surrounds the energy storage assembly on the outside.
  • the wall can embrace the foot of a spring, and thus a wire thickness.
  • the wall can engage around at least one turn of a coil spring.
  • the at least one or the at least two energy storage units at each end of a joint ie a joint shoe or a joint housing
  • the joint housing with which the force storage unit is mounted relative to the cylinder is preferably double-cup shaped.
  • the designed as a spiral spring energy storage is performed particularly well and in addition the joint shoe or a second joint housing can be axially movably connected to the double-headed joint housing.
  • the joint housing or joint housing and joint shoe are axially movably connected to one another.
  • the second joint housing must not be designed as a double pot, however, resulting from the shape as described several advantages.
  • the storage location can be designed as a bearing pin. This then engages in a recess on a housing portion of the pedal force simulation force assembly.
  • the connecting axis is perpendicular to the longitudinal axis of the cylinder. This allows a stable storage.
  • the storage can be done on the cylinder. This can be done as already described on housing sections which are connected to the housing.
  • the invention relates to a motor vehicle with a pedal force simulation arrangement.
  • the motor vehicle is characterized in that the pedal force simulation arrangement is designed as described.
  • FIG. 1 shows a motor vehicle 1 with a drive unit 2, a clutch 3, a clutch actuator 4 and a transmission 5.
  • the clutch 3 is actuated by means of the clutch actuator 4.
  • the drive unit 2 can be designed as an internal combustion engine and / or electric motor.
  • a pedal 6 in the motor vehicle which is mounted on a pedal bracket 7 and is connected to a pedal force simulation arrangement 8. Furthermore is a sensor 9 is provided, which can sense the position of the pedal 6, and derive therefrom control commands for the clutch actuator 4.
  • the pedal force simulation arrangement 8 simulates the counterforce of a hydraulic path on the pedal 6, as it finds, for example. In motor vehicles with manual transmissions. Since this route is no longer present in a motor vehicle 1 with eclutch it is provided by the pedal force simulation arrangement 8.
  • FIG. 2 shows the pedal force simulation assembly 8 in cross section.
  • the piston 12 is received in the cylinder 14.
  • the energy storage arrangement 16 with the energy storage units 18 and 20 counteracts the displacement of the piston 12.
  • Firmly connected to the piston 12 is a piston rod 22, at the pedal end of which an eye 24 is located.
  • a bearing point 10 is provided for storage of the pedal force simulation arrangement. This is designed in the form of a cam with through-hole and is located at the lower pedal-side end of the cylinder 12. Upon actuation of the pedal 6, the pedal force simulation assembly 8 is rotated about the bearing point 10.
  • connection of the piston rod 22 can be simplified to the pedal.
  • connection can be executed without joints.
  • the storage at one point is also made possible by the design of the energy storage device 16.
  • the energy storage units 18 and 20 each comprise a joint shoe 26, a coil spring 28 and a joint housing 30.
  • the joint shoe 26 and the joint housing 30 are axially displaceable against each other.
  • the articulated shoe 26 is mounted on the bearing 32 and the joint housing 30 at the storage location 34.
  • the bearing 32 is displaced into the piston 12 and the storage location 34 is located on the side.
  • space is saved.
  • the energy storage device 16 consists entirely of only two energy storage units in the form of spring units and these are arranged to save space, a rotatability of the pedal force simulation arrangement 8 is made possible.
  • Another feature that allows the economical construction is the offset connection of the bearings 32 on the piston.
  • the energy storage arrangement 18 is designed as an over-center spring, while the energy storage unit 20 provides a counterforce during the entire movement of the piston.
  • the desired force characteristic can be obtained by means of only two springs.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Control Devices (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
EP17174872.6A 2016-07-06 2017-06-08 Système de simulation de force exercée sur une pédale et véhicule automobile Withdrawn EP3267281A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016212352.1A DE102016212352A1 (de) 2016-07-06 2016-07-06 Pedalkraftsimulationsanordnung sowie Kraftfahrzeug

Publications (2)

Publication Number Publication Date
EP3267281A2 true EP3267281A2 (fr) 2018-01-10
EP3267281A3 EP3267281A3 (fr) 2018-07-25

Family

ID=59034497

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17174872.6A Withdrawn EP3267281A3 (fr) 2016-07-06 2017-06-08 Système de simulation de force exercée sur une pédale et véhicule automobile

Country Status (3)

Country Link
EP (1) EP3267281A3 (fr)
CN (1) CN107585024A (fr)
DE (1) DE102016212352A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10011760A1 (de) * 2000-03-10 2001-09-13 Audi Ag Vorrichtung zum Betätigen einer Betriebseinrichtung
US6367886B1 (en) * 2000-07-27 2002-04-09 Delphi Technologies, Inc. Brake pedal emulator system and method
US20020108463A1 (en) * 2001-02-09 2002-08-15 Delphi Technologies, Inc. Magneto-rheological brake pedal feel emulator
DE102005035067A1 (de) * 2004-08-14 2006-02-23 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Anordnung zur Betätigung einer Kupplung
WO2010081840A1 (fr) * 2009-01-15 2010-07-22 Continental Teves Ag & Co. Ohg Système de freinage de type "frein à commande électrique"
DE102010044417B4 (de) * 2010-09-04 2022-08-04 Volkswagen Ag Fußhebelwerk für ein Fahrzeug
US8650984B2 (en) * 2011-03-22 2014-02-18 Ksr Technologies Co. Electronic clutch pedal assembly having varying resistance
DE102014225996A1 (de) * 2013-12-17 2015-06-18 Schaeffler Technologies AG & Co. KG System zur Pedalkraftsimulation, insbesondere für ein Kupplungsbetätigungssystem
DE102015202875A1 (de) 2014-03-14 2015-09-17 Schaeffler Technologies AG & Co. KG Pedalkrafterzeugungsvorrichtung
DE102015205803A1 (de) * 2014-03-31 2015-10-01 Schaeffler Technologies AG & Co. KG Betätigungseinrichtung für ein Kupplungs- oder Bremssystem

Also Published As

Publication number Publication date
EP3267281A3 (fr) 2018-07-25
CN107585024A (zh) 2018-01-16
DE102016212352A1 (de) 2018-01-11

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