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EP2245517A1 - Elément de commande doté d'un système haptique de basculement amélioré - Google Patents

Elément de commande doté d'un système haptique de basculement amélioré

Info

Publication number
EP2245517A1
EP2245517A1 EP08871105A EP08871105A EP2245517A1 EP 2245517 A1 EP2245517 A1 EP 2245517A1 EP 08871105 A EP08871105 A EP 08871105A EP 08871105 A EP08871105 A EP 08871105A EP 2245517 A1 EP2245517 A1 EP 2245517A1
Authority
EP
European Patent Office
Prior art keywords
operating element
permanent magnet
lever arm
permanent magnets
attached
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
Application number
EP08871105A
Other languages
German (de)
English (en)
Other versions
EP2245517B1 (fr
Inventor
Artur Klossek
Thilo Schultheis
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.)
Preh GmbH
Original Assignee
Preh GmbH
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 Preh GmbH filed Critical Preh GmbH
Publication of EP2245517A1 publication Critical patent/EP2245517A1/fr
Application granted granted Critical
Publication of EP2245517B1 publication Critical patent/EP2245517B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05GCONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/05Means for returning or tending to return controlling members to an inoperative or neutral position, e.g. by providing return springs or resilient end-stops
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05GCONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
    • G05G2009/04766Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks providing feel, e.g. indexing means, means to create counterforce
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/20Control lever and linkage systems
    • Y10T74/20576Elements
    • Y10T74/20582Levers

Definitions

  • the present invention relates to a control for a motor vehicle, in particular a multi-directional tilting joystick, with a control knob, located in a housing of the control element bearing for the control knob, a permanently connected to the control knob extension, attached to the extension first permanent magnet and a fixed in the housing second permanent magnet, wherein the permanent magnets form a pair of permanent magnets and in a central position of the control knob unequal poles of the magnets are spaced from each other.
  • Tilting Whyeiemente be used in motor vehicles where several functions can be performed by means of a control element.
  • Examples include toggle switches for power windows or electrically adjustable exterior mirrors and joystick-like controls for controlling an on-board computer.
  • joystick-type operating elements are understood as meaning such operating elements which can be tilted at least in four directions, so that a menu in a display system assigned to the operating element can be activated by means of the joystick-type operating element.
  • a force variable over the deflection is necessary for the operation of the operating element, via which the user is informed that the switching operation has taken place.
  • this force-displacement curve is usually generated by one or more springs or cooperating permanent magnets, which also bring the control back to a middle position when the user lets go.
  • a control element in particular a joystick with a tilt-feel for a motor vehicle is known.
  • the control element has a tiltably mounted lever with a primary and at least one secondary lever arm and at least one pair of permanent magnets, wherein a magnet of a pair of permanent magnets on a secondary lever arm and a magnet is arranged stationary in the operating element.
  • unequal poles of the magnets face each other in such a way that the operating element is held in a middle position.
  • the force curve over the deflection of the control element depends on the parameters: length of the secondary lever arm, strength of the permanent magnets, physical size of the permanent magnets and the size of the air gap between the magnets of a permanent magnet pair.
  • the object of the invention is to change the feel of a control element such that the force-displacement curve, that is, the feel of the control element is specifically adjustable, this being realized with minimal design effort and cost.
  • the object of the invention is achieved in that at least partially and / or circumferentially a magnetically conductive material is attached to a arranged in the control element permanent magnet pair.
  • the permanent magnet pairs are either circumferentially circumferential or in the case of a flat, rectangular or square embodiment of the permanent magnets surrounded by a conductive material.
  • the outer magnetic field lines are more or less concentrated depending on the strength and magnetic conductivity of the sheath.
  • the casing consists in the inventive form of electrically conductive materials or rare earths, such as Sm 2 COi 7 , SmCo 2 or NdFeW.
  • FIG. 1 shows a joystick-type operating element known from the prior art
  • Figure 2 is a force-displacement diagram as a haptic course of the force-displacement line of
  • 3b shows the formation of a permanent magnet pair according to the invention in a control element
  • Figure 4 shows the haptic profile of a control element as a function of force and way
  • Figure 5 shows an embodiment of a control element according to the invention
  • FIGS 1a, 1 b and 1c show a side view in section of a control element 1 in three different operating positions, according to the prior art.
  • the housing 9 of the control element 1 has a recess in which a ball is arranged as a bearing for a lever.
  • the lever consists of a primary lever arm 2 and a secondary lever arm 9. One end of the lever arm 2 is fixedly connected to the ball 4, the other end carries a handle 3, in the form of a control knob.
  • the secondary lever arm 5 is fixedly connected at one end to the ball 4, the other end carries a permanent magnet 6.
  • a second permanent magnet 7 is arranged in the housing 9 such that in the middle position of the primary lever arm 2, an air gap between the magnet 6 and the Magnets 7 is made and opposite poles of the magnets are opposite.
  • the end stops 8 limit the range of motion of the secondary lever arm 5 and thus also of the primary lever arm second By the force between the magnets 6 and 7 of the secondary lever arm 5 and thus the entire lever is held in the center position. To tilt the primary lever arm, the user must overcome this force.
  • the force F or counterforce which the user has to overcome in order to further tilt the primary lever arm is plotted in FIG. 2 via the deflection s of the primary lever arm 2.
  • the sectional view in FIG. 1b shows the operating element 1 with a slightly deflected primary lever arm 2, wherein the position shown in FIG.
  • This decrease in the restoring force gives the user a haptic feedback that the switching operation has taken place, the decrease in the force from the position B to the position C in FIG. 2 being referred to as snap.
  • the drop in force or snap equals about one third of the maximum force that the user has to apply.
  • the secondary lever arm 5 In the position of the lever shown in Figure 1c, the secondary lever arm 5 abuts against the end stop.
  • the end stop 8 causes via the secondary lever arm 5 and the ball 4 is a limitation of Kippweges the primary lever arm 2.
  • the end stop 8 is designed to be elastic, to prevent a sudden increase in drag force. Due to the low compliance of the material of the end stop is a fast but steady increase in the counterforce, as shown in the outlet of the curve in Figure 2.
  • FIG. 3a shows a pair of permanent magnets 12, 13 with metal sheets 14, 15, 16, 17 arranged on both sides of the magnets 12, 13, of a material which conducts the magnetic field lines.
  • the sheets 14, 15, 16, 17 or conductive pads 14, 15, 16, 17 cause an alignment and bundling of the magnets 12, 13 surrounding magnetic field lines 18.
  • the alignment and bundling of the magnetic field lines 18 according to the invention allows an increase in the maximum force F, without the use of expensive and bulky permanent magnets.
  • material, thickness and number of sheets 14, 15, 16, 17 on the circumference of the permanent magnets 12, 13 is thus a targeted control of the force-displacement curve and consequently the haptic on the control possible.
  • an advantage of the invention is that, while maintaining the maximum force, an increase in the air gap 19 between the permanent magnets 12, 13 is made possible, which in turn facilitates the assembly.
  • the permanent magnets 12, 13 are made flat, so that the magnetically conductive metal sheets can be fastened flat at the lateral ends of the permanent magnets 12, 13.
  • the permanent magnets 12, 13 are formed as a circular permanent magnets 12, 13, it is then conceivable according to the invention to surround the permanent magnets 12, 13 completely and circumferentially with a magnetically conductive material.
  • the complete sheathing of the permanent magnets 12, 13 is also executable with flat permanent magnets 12, 13.
  • FIG. 4 shows a force-displacement diagram.
  • a force is exerted on the operating element which rises to a certain point F1, S1, this point F1, S1 corresponding to the force F1 and the path S1, the maximum force of attraction to be overcome between the opposing permanent magnets 12, 13 corresponds.
  • the force decreases, up to a force F2 at the point S2, with now similar poles of the permanent magnets 12, 13 face, so that the control knob from this position, without the action of the operator back to its center position would.
  • the force in the diagram of Figure 4 rises after reaching the point F2, S2 again, until reaching a force F3 on the way S3, this point F3, S3 corresponds to the reaching of the end stop in the control.
  • the drop in force from F1 to F2 is ideally about one-third of F1 and at a value of 35% plus 10% minus 5% quantifiable.
  • F1 as well as the path S3 varies depending on the application and the haptics to be set or predetermined.
  • the point of repulsion between the permanent magnets 12, 13 is not reached, so that the control knob automatically moves back to its center position automatically after actuation.
  • the S1 path can be specified with 45 percent of S3 and a tolerance of plus 5% and minus 10%.
  • the control element 20 has a primary lever arm 21, for receiving a control knob, not shown, a bearing 22, in the form of a spherical bearing 22, a secondary lever arm 23, wherein primary and secondary lever arm 21, 23 in a center line or central axis 24 are arranged one above the other in alignment ,
  • a permanent magnet 27 is fixed, which cooperates with a permanent magnet 28, wherein the permanent magnet 28 is fixed in a fixed to the housing 20 of the Everyeiementes or part of the housing forming the bottom part 29 of the control element 20.
  • the permanent magnets 27, 28 form a permanent magnet pair 27, 28, wherein the opposite poles of the permanent magnets 27, 28 differ, so that the lever arms 21, 23 are held in a central position.
  • two jibs 26, each with a permanent magnet pair 27, 28 in the operating element 20 offset by 90 degrees in the control element 20 are installed.
  • the boom 25 is offset by 180 degrees attached to the secondary lever arm 23.
  • the boom 25 cooperates with means for detecting the position and for detecting the path F of the deflection of the lever 23. It is conceivable, for example, the use of photosensitive or inductive sensors.
  • two extension arms 25 are also arranged offset by 90 degrees on the secondary lever arm 23.
  • a pin 30 out From the secondary lever arm 23 is a pin 30 out, which cooperates with elastic end stops 31 and thus limits the tilting movement of the lever 21, 23.
  • the movement of the pin 30 in the direction of the end stop 31 corresponds to the distance S3 of approximately 1.5 mm.
  • the permanent magnets 27, 28 are not deflected so far that repulsion of the opposite poles of the permanent magnets 27, 28 occurs.
  • the magnetically conductive materials according to the invention such as sheets, it is possible, on the one hand to increase the maximum force F1 and at the same time to reduce the path S1. Thick plates reduce the maximum force F1, so that the path S1 is displaced.
  • the Haptikverlauf ie the course of the haptic curve from the force-displacement diagram and adjust exactly.
  • the magnetically conductive materials according to the invention such as soft magnetic materials, electrical sheets or rare earths on the permanent magnets 27, 28, the field lines are bundled, so that the maximum force can be increased by 50% to 100%.
  • the formation of the elastic end stop 31 in the bottom part 29 of the operating element 20 can also be used as a slide guide 31.
  • the elastic element 31 would, for example, have a cross-groove 32 in which the pin 30 is guided.
  • a slotted guide is only conditionally necessary, since by the use of magnetically conductive materials around the permanent magnets 27, 28 ensure adequate guidance.
  • the use of permanent magnet pairs is also suitable for the use of pushbuttons.
  • an extension is attached to the control knob in one piece or at least non-positively, wherein a first permanent magnet is attached to the extension.
  • a second permanent magnet is fixed, wherein the permanent magnets form a pair of permanent magnets and spaced apart in an initial position of the control knob of the pushbutton unequal poles of the magnets and on the permanent magnet pairs in addition a magnetic field lines conductive material is attached.
  • the force-displacement curve of a pushbutton essentially corresponds to that of a joystick-type operating element (20), wherein only the control button and the extension execute a linear movement in the direction of the operating element.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Control Devices (AREA)

Abstract

L'invention concerne un élément de commande (20) pour un véhicule automobile comprenant un bouton de commande, un point d'appui (22) destiné au bouton de commande et situé dans un boîtier (29) de l'élément de commande (20), un élément prolongateur (23) relié solidairement au bouton de commande, un premier aimant permanent (27) fixé sur l'élément prolongateur (23) et un second aimant permanent (28) fixé dans le boîtier (29), les aimants permanents (27, 28) formant une paire d'aimants permanents (27, 28) et des pôles opposés des aimants se faisant face lorsque le bouton de commande est en position médiane. Un matériau (14, 15, 16, 17) conducteur magnétique est fixé sur la paire d'aimants permanents (27, 28) au moins par endroits et en circonférence.
EP08871105.6A 2008-01-18 2008-12-09 Elément de commande doté d'un système haptique de basculement amélioré Active EP2245517B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008004909A DE102008004909B4 (de) 2008-01-18 2008-01-18 Bedienelement mit verbesserter Kipphaptik
PCT/EP2008/010423 WO2009089874A1 (fr) 2008-01-18 2008-12-09 Elément de commande doté d'un système haptique de basculement amélioré

Publications (2)

Publication Number Publication Date
EP2245517A1 true EP2245517A1 (fr) 2010-11-03
EP2245517B1 EP2245517B1 (fr) 2014-02-19

Family

ID=40427493

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08871105.6A Active EP2245517B1 (fr) 2008-01-18 2008-12-09 Elément de commande doté d'un système haptique de basculement amélioré

Country Status (5)

Country Link
US (1) US8284003B2 (fr)
EP (1) EP2245517B1 (fr)
JP (1) JP5303574B2 (fr)
DE (1) DE102008004909B4 (fr)
WO (1) WO2009089874A1 (fr)

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DE102010029817A1 (de) * 2010-06-08 2011-12-08 Preh Gmbh Bedienelement mit zwei Schalt- oder Regelstufen
US8473753B2 (en) * 2010-09-15 2013-06-25 International Business Machines Corporation Real-time secure self-acquiring root authority
DE102011085146A1 (de) 2011-10-25 2013-04-25 Preh Gmbh Bedienelement mit magnetischer Rückstellung
DE102012101697A1 (de) * 2011-11-11 2013-05-16 Grammer Ag Fahrzeug-Steuerungsvorrichtung zum handbetätigten Steuern von Fahrzeugeinrichtungen
US9972459B1 (en) 2013-09-09 2018-05-15 Apple Inc. Tactile switch assembly in an electronic device
DE102014001630B4 (de) 2014-02-07 2019-03-21 Audi Ag Bedienvorrichtung und Fahrzeug mit Bedienvorrichtung
US10109432B1 (en) * 2014-06-16 2018-10-23 Apple Inc. Switch assemblies
DE102014213396A1 (de) * 2014-07-10 2016-01-14 Zf Friedrichshafen Ag Schaltvorrichtung und Verfahren zum Erkennen eines Betätigens einer Schaltvorrichtung
DE102014219316A1 (de) 2014-09-24 2016-03-24 Volkswagen Aktiengesellschaft Schalterbedienelement und Schalter
CN104460824B (zh) * 2014-10-20 2016-02-17 中联重科股份有限公司 工程机械的显示器的控制系统、方法、装置及工程机械
US10707032B1 (en) 2016-12-02 2020-07-07 Apple Inc. Electronic device having travel-magnifying input/output structure
USD848958S1 (en) 2017-02-08 2019-05-21 Eaton Intelligent Power Limited Toggle for a self-powered wireless switch
US10141144B2 (en) * 2017-02-08 2018-11-27 Eaton Intelligent Power Limited Self-powered switches and related methods
US10541093B2 (en) 2017-02-08 2020-01-21 Eaton Intelligent Power Limited Control circuits for self-powered switches and related methods of operation
WO2021197814A1 (fr) * 2020-04-03 2021-10-07 Crouzet Interface homme-machine
FR3122945A1 (fr) * 2021-05-11 2022-11-18 Apem Dispositif de commande

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Also Published As

Publication number Publication date
JP5303574B2 (ja) 2013-10-02
DE102008004909A1 (de) 2009-07-30
DE102008004909B4 (de) 2010-09-09
WO2009089874A1 (fr) 2009-07-23
JP2011510386A (ja) 2011-03-31
US20100288071A1 (en) 2010-11-18
US8284003B2 (en) 2012-10-09
EP2245517B1 (fr) 2014-02-19

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