WO2010009914A1 - Translationally actuated joystick - Google Patents

Translationally actuated joystick Download PDF

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Publication number
WO2010009914A1
WO2010009914A1 PCT/EP2009/055796 EP2009055796W WO2010009914A1 WO 2010009914 A1 WO2010009914 A1 WO 2010009914A1 EP 2009055796 W EP2009055796 W EP 2009055796W WO 2010009914 A1 WO2010009914 A1 WO 2010009914A1
Authority
WO
WIPO (PCT)
Prior art keywords
lever
operating element
pivoting movement
detecting
pivoting
Prior art date
Application number
PCT/EP2009/055796
Other languages
German (de)
French (fr)
Inventor
Benedikt Schmidt
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 WO2010009914A1 publication Critical patent/WO2010009914A1/en

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-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
    • G05G9/04—Manually-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
    • G05G9/047—Manually-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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-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
    • G05G9/04—Manually-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
    • G05G9/047—Manually-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
    • G05G2009/04703—Mounting of controlling member
    • G05G2009/04714—Mounting of controlling member with orthogonal axes
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-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
    • G05G9/04—Manually-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
    • G05G9/047—Manually-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
    • G05G2009/0474—Manually-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 characterised by means converting mechanical movement into electric signals
    • G05G2009/04744—Switches
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-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
    • G05G9/04—Manually-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
    • G05G9/047—Manually-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
    • G05G2009/0474—Manually-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 characterised by means converting mechanical movement into electric signals
    • G05G2009/04748—Position sensor for rotary movement, e.g. potentiometer
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-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
    • G05G9/04—Manually-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
    • G05G9/047—Manually-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
    • G05G2009/0474—Manually-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 characterised by means converting mechanical movement into electric signals
    • G05G2009/04759—Light-sensitive detector, e.g. photoelectric
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-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
    • G05G9/04—Manually-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
    • G05G9/047—Manually-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
    • G05G2009/04777—Manually-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 with additional push or pull action on the handle
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02—Manually-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
    • G05G9/04—Manually-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
    • G05G9/047—Manually-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
    • G05G2009/04781—Manually-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 with additional rotation of the controlling member

Definitions

  • the invention relates to a control element with a control knob and an associated adjusting axis, which cooperates with two pivotable levers so that the levers are pivoted in accordance with the movement of the adjusting axis and means for detecting the pivoting movement of the lever.
  • a control element with a control knob and an associated adjusting axis, which cooperates with two pivotable levers so that the levers are pivoted in accordance with the movement of the adjusting axis and means for detecting the pivoting movement of the lever.
  • Such a structure is known from a joystick.
  • a lever along at least 2 predetermined directions is pivotable.
  • a switching function is performed, for example, a digital switching function, or it is generated proportional to the respective deflection in the two mutually perpendicular deflection an associated signal that is used for example for moving a cursor on an associated display panel of a display device.
  • the associated signals corresponding to the pivoting are generated by a potentiometer adjustment or the adjustment of an optical encoder.
  • the usual joysticks have to operate a control knob with a centrally located and mounted by means of a universal joint or in a ball and socket bearing control lever. This structure is relatively complicated, due to the relatively high number of moving parts susceptible to interference and expensive to manufacture.
  • control knob is usually kept small and thin, so as not to hinder the pivoting movement.
  • the control knob could be increased by its distance from the surrounding aperture is increased. However, with increasing height, the risk of injury increases (head impact criterion), this approach is not desirable.
  • the invention relates to an operating element, preferably an operating element for a motor vehicle.
  • the operating element comprises a control knob, which is connected to a control axis.
  • the adjusting axis is mounted concentrically on a cylindrical control knob and extends from the end facing away from the operator.
  • the operating element comprises two pivotable levers.
  • lever in the context of the invention is to be interpreted broadly and the lever can be designed varied depending on the mechanical stress.
  • the adjusting axle cooperates with the displaceable levers so that the levers are pivoted in accordance with the movement of the adjusting axle.
  • the adjusting shaft is accommodated in at least one recess of the lever, wherein the recess is preferably configured such that the adjusting axle is received in the pivoting direction with minimal play in order to prevent a "backlash.”
  • the levers extend from the pivot axis only to over the recesses so that the levers form a C-shape.
  • the operating element according to the invention is characterized in that the adjusting axis is mounted to be displaceable axially parallel. In other words, the adjusting axis is moved in parallel while maintaining its orientation in order to perform the control or switching functions.
  • the control knob is moved in its installed position, for example in a dashboard of a motor vehicle, in a direction horizontal to the dashboard.
  • control knob can be flat and still large, to be more precise, it can be configured almost arbitrarily, while maintaining the legally prescribed in many countries supernatant of the surrounding panel, if it is used in a motor vehicle, according to its haptic requirements.
  • Another advantage results from the fact that the gap between the control knob and the control knob associated housing can be set very small, which on the one hand prevents contamination and on the other hand, a high qualitative appearance comes to good.
  • the means for detecting the pivoting movement respectively generate a signal which is substantially proportional to the pivoting of the respective lever.
  • the detection means comprise in each case one resistance track assigned to the respective lever and one respective sliding contact fastened to the lever and guided during the pivoting movement over the resistance track.
  • a corresponding resistance value is tapped (potentiometer principle), which is used to generate a signal corresponding to the position of the lever in question.
  • the means for detection in each case comprise a rotary potentiometer coupled to the respective lever or, in this sense, more preferably a coupled optical encoder.
  • means for detecting the pivoting movement each generate an on or off signal correlated with the pivoting.
  • the switching function can be realized in a low-cost configuration by at least one mechanical switch per lever.
  • the means for detecting the pivoting movement each comprise at least one light barrier, which is arranged so that its light path can be shaded by pivoting the respective lever.
  • the means for detecting the pivoting movement preferably each comprise at least two light barriers per lever in order to detect the direction of the pivoting movement of the relevant lever, for example from its rest position.
  • three switching states can be realized per lever: rest position, deflection in a first direction and rash in a second, opposite direction.
  • the pivot axes of the lever are arranged offset by 90 ° about a rest position of the adjusting axis.
  • an input device which serves to control a cursor or the like on a display device can be easily created together with the generation of a signal which is substantially proportional to the pivoting of the relevant lever for each lever.
  • the means for detecting the pivoting movement in each case comprise at least two light barriers per lever can be realized relatively easily with the offset by 90 ° lever arrangement, a 4-way switch or even an 8-way switch.
  • Preferably means for returning the lever and thus the adjusting axis are provided in the rest position.
  • springs are provided for returning the lever.
  • the adjusting axis for performing an additional switching and / or control function is rotatable about its axis or displaceable in the axial direction and that it is an associated switching or control element, such as a rotary potentiometer or an optical encoder for the control function or a pushbutton for the switching function, acts.
  • This additional functionality is particularly easy to integrate into the inventive design due to the simple structure and the pure translational movement of the adjusting axis.
  • At least the levers and / or the adjusting shaft are made of a zinc-aluminum-magnesium-copper (ZAMAK) alloy, for example in a zinc die-casting process.
  • ZAMAK zinc-aluminum-magnesium-copper
  • control element according to the invention is advantageously applied to a motor vehicle application.
  • the operating element 1 comprises a control knob 2 which is rigidly connected to a control axis 6.
  • the adjusting shaft 6 engages in each case in elongate recesses 9 of two legs of a lever 5 and correspondingly in the recess of a further lever 4, wherein the levers 4, 5 are mounted pivotably about respectively associated, attached to a base plate 8 pivot axes 3.
  • the pivot axes are arranged offset by 90 ° about the adjusting axis 6.
  • the recesses 9 are dimensioned so that their edge abuts in a pivoting as possible clearance on the adjusting axis 6, on the other hand whose longitudinal extent is dimensioned so that the amount of movement of the adjusting axis in the pivoting direction of the other lever 4 and 5 is sufficiently permitted.
  • the pivoting movement of the levers 4, 5, which is effected by the control knob 2 on the housing axis 6, is detected by means, not shown, for detecting the pivoting movement.
  • each one of the relevant lever 4, 5 associated resistance path provided by a sliding contact in the Swinging movement is traversed to produce a pivoting position corresponding resistance value and thus a signal proportional thereto.
  • the adjusting shaft 6 for performing an additional switching and / or control function by the control knob 2 is rotatable about its axis or displaceable in the direction of its longitudinal axis and that they on an associated switching or control element, for example a rotary potentiometer or an optical encoder for the control function or a push button switch for the switching function, acts.
  • This additional functionality is particularly easy to integrate into the inventive design due to the simple structure and the pure translational movement of the adjusting axis 6.

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

Abstract

The invention relates to a control element (1) comprising a control button (2), at least two pivoting levers (4, 5), an adjustment axis (6) connected to the control button which cooperates with the pivoting levers (4, 5) such that the levers (4, 5) are pivoted in correspondence to the motion of the adjustment axis, and means for detection of the pivot motion of the levers (4, 5).  The control element (1) is characterized in that the adjustment axis (6) is arranged so as to be displaceable in parallel to the axes.

Description

B E S C H R E I B U N G DESCRIPTION
Translatorisch betätigter JoystickTranslationally operated joystick
Die Erfindung betrifft ein Bedienelement mit einem Bedienknopf und einer damit verbundenen Stellachse, die mit zwei verschwenkbaren Hebeln so zusammenwirkt, dass die Hebel entsprechend der Bewegung der Stellachse verschwenkt werden und mit Mitteln zur Detektion der Verschwenkbewegung der Hebel. Ein derartiger Aufbau ist aus einem Joystick bekannt.The invention relates to a control element with a control knob and an associated adjusting axis, which cooperates with two pivotable levers so that the levers are pivoted in accordance with the movement of the adjusting axis and means for detecting the pivoting movement of the lever. Such a structure is known from a joystick.
Bei den bekannten Joysticks ist ein Stellhebel entlang wenigstens 2 vorgegebenen Richtungen verschwenkbar. Dabei wird mit Erreichen jeder Endstellung eine Schaltfunktion ausgeführt, zum Beispiel eine digitale Schaltfunktion, oder es wird proportional zur jeweiligen Auslenkung in den zwei zueinander senkrecht stehenden Auslenkrichtungen ein zugehöriges Signal erzeugt, das beispielsweise zur Bewegung eines Cursors auf einem zugehörigen Anzeigefeld einer Anzeigevorrichtung verwendet wird. Bei letzterem werden die zugehörigen der Verschwenkung entsprechenden Signale durch eine Potentiometerverstellung oder die Verstellung eines optischen Encoders erzeugt. Die üblichen Joysticks weisen zur Bedienung einen Bedienknopf mit einem zentral angeordneten und mittels eines Kreuzgelenks oder in einer Kugel-Pfanne-Lagerung gelagerten Bedienhebel auf. Dieser Aufbau ist vergleichsweise kompliziert, aufgrund der vergleichsweise hohen Anzahl an bewegten Teilen störanfällig und in der Herstellung teuer. Ferner stellt sich das Problem, dass der Verschwenkmechanismus aufgrund der Kippbewegung des Bedienknopfes schwierig vor Eindringen von Reinigungsflüssigkeit und Staub zu schützen ist. Zudem ist der Bedienknopf meist klein und dünn gehalten, um die Verschwenkbewegung nicht zu behindern. Dies hat den Nachteil, dass der Bedienknopf schwer ertastbar ist und nur bei direktem Hinschauen erblickt und dann gegriffen werden kann. Bei der Verwendung in einem Kraftfahrzeug kann dies den Fahrer stören und seine Aufmerksamkeit vom Verkehr ablenken und stellt somit ein Sicherheitsrisiko dar. Zwar könnte der Bedienknopf vergrößert werden, indem dessen Abstand von der umgebenden Blende erhöht wird. Da mit zunehmender Bauhöhe jedoch das Verletzungsrisiko steigt (Kopfaufschlagkriterium) ist diese Vorgehensweise nicht erwünscht.In the known joysticks a lever along at least 2 predetermined directions is pivotable. In this case, upon reaching each end position, a switching function is performed, for example, a digital switching function, or it is generated proportional to the respective deflection in the two mutually perpendicular deflection an associated signal that is used for example for moving a cursor on an associated display panel of a display device. In the latter case, the associated signals corresponding to the pivoting are generated by a potentiometer adjustment or the adjustment of an optical encoder. The usual joysticks have to operate a control knob with a centrally located and mounted by means of a universal joint or in a ball and socket bearing control lever. This structure is relatively complicated, due to the relatively high number of moving parts susceptible to interference and expensive to manufacture. Furthermore, there is the problem that the pivoting mechanism is difficult to protect against ingress of cleaning fluid and dust due to the tilting movement of the control knob. In addition, the control knob is usually kept small and thin, so as not to hinder the pivoting movement. This has the disadvantage that the control knob is difficult to feel and can only be seen by looking directly and then gripped. When used in a motor vehicle, this can disturb the driver and distract his attention from traffic and thus represents a security risk. Although the control knob could be increased by its distance from the surrounding aperture is increased. However, with increasing height, the risk of injury increases (head impact criterion), this approach is not desirable.
Vor dem Hintergrund der obigen Nachteile des Standes der Technik haben sich die Erfinder die Aufgabe gestellt, ein Bedienelement der zuvor beschriebenen Gattung bereitzustellen, das zuverlässig, einfach zu bedienen und herzustellen ist. Diese Aufgabe wird durch ein Eingabegerät gemäß Anspruch 1 gelöst. Vorteilhafte Ausgestaltungen sind jeweils Gegenstand der abhängigen Ansprüche.Against the background of the above disadvantages of the prior art, the inventors have set themselves the task of providing an operating element of the type described above, which is reliable, easy to operate and manufacture. This object is achieved by an input device according to claim 1. Advantageous embodiments are the subject of the dependent claims.
Die Erfindung betrifft ein Bedienelement, bevorzugt ein Bedienelement für ein Kraftfahrzeug. Das Bedienelement umfasst einen Bedienknopf, der mit einer Stellachse verbunden ist. Beispielsweise ist die Stellachse konzentrisch an einem zylindrischen Bedienknopf angebracht und erstreckt sich von dessen dem Bediener abgewandten Stirnseite. Das Bedienelement umfasst zwei verschwenkbare Hebel. Der Begriff Hebel im Sinne der Erfindung ist weit auszulegen und die Hebel können je nach mechanischer Beanspruchung vielfältig ausgelegt sein. Die Stellachse wirkt mit den verschiebbaren Hebeln so zusammen, dass die Hebel entsprechend der Bewegung der Stellachse verschwenkt werden. Beispielsweise ist die Stellachse in wenigstens einer Ausnehmung des Hebels aufgenommen, wobei die Ausnehmung bevorzugt so ausgestaltet ist, dass die Stellachse in der Verschwenkrichtung mit minimalem Spiel aufgenommen ist, um einen „Totgang" zu verhindern. Es sind ferner Mittel zur Detektion der Verschwenkbewegung der Hebel vorgesehen, um die Regel- oder Schaltfunktionen (beispielsweise als Vierwege-Schalter) durchzuführen. Hierbei ist es vorstellbar, dass die Hebel sich ausgehend von der Schwenkachse lediglich bis über die Ausnehmungen erstrecken, so dass die Hebel eine C-Form bilden.The invention relates to an operating element, preferably an operating element for a motor vehicle. The operating element comprises a control knob, which is connected to a control axis. For example, the adjusting axis is mounted concentrically on a cylindrical control knob and extends from the end facing away from the operator. The operating element comprises two pivotable levers. The term lever in the context of the invention is to be interpreted broadly and the lever can be designed varied depending on the mechanical stress. The adjusting axle cooperates with the displaceable levers so that the levers are pivoted in accordance with the movement of the adjusting axle. For example, the adjusting shaft is accommodated in at least one recess of the lever, wherein the recess is preferably configured such that the adjusting axle is received in the pivoting direction with minimal play in order to prevent a "backlash." There are further means for detecting the pivoting movement of the levers It is conceivable that the levers extend from the pivot axis only to over the recesses so that the levers form a C-shape.
Das erfindungsgemäße Bedienelement zeichnet sich dadurch aus, dass die Stellachse achsenparallel verschiebbar gelagert ist. Anders ausgedrückt, die Stellachse wird unter Beibehalt ihrer Ausrichtung parallel verschoben, um die Regel- oder Schaltfunktionen vorzunehmen. Es erfolgt somit eine translatorische Bedienung der Stellachse und damit auch des Bedienknopfes, das heißt der Bedienknopf wird in seiner Einbaulage, zum Beispiel in einem Armaturenbrett eines Kraftfahrzeuges, in einer zum Armaturenbrett horizontalen Ebene verschoben. Dies hat nicht nur den Vorteil, dass aufgrund der geringen Anzahl an bewegten Teilen und der vereinfachten Lagerung der Stellachse der Aufbau erheblich vereinfacht ist und damit die Herstellung verbilligt wird, sondern dass darüber hinaus aufgrund der reinen translatorischen Bewegung die Problematik der Abdichtung leichter zu lösen ist.The operating element according to the invention is characterized in that the adjusting axis is mounted to be displaceable axially parallel. In other words, the adjusting axis is moved in parallel while maintaining its orientation in order to perform the control or switching functions. There is thus a translatory operation of the control axis and thus also the control knob, that is, the control knob is moved in its installed position, for example in a dashboard of a motor vehicle, in a direction horizontal to the dashboard. This not only has the Advantage that due to the small number of moving parts and the simplified storage of the adjusting axis of the structure is considerably simplified and thus the production is cheaper, but that beyond the problem of sealing is easier to solve due to the pure translational movement.
Darüber hinaus kann der Bedienknopf flach und trotzdem groß ausgestaltet sein, Um genauer zu sein, er kann unter Einhalt des in vielen Ländern gesetzlich vorgeschriebenen Überstandes von der umgebenden Blende, sofern er in einem Kraftfahrzeug verwendet wird, gemäß seiner haptischen Erfordernisse nahezu beliebig ausgestaltet sein.In addition, the control knob can be flat and still large, to be more precise, it can be configured almost arbitrarily, while maintaining the legally prescribed in many countries supernatant of the surrounding panel, if it is used in a motor vehicle, according to its haptic requirements.
Ein weiterer Vorteil ergibt sich dadurch, dass das Spaltmaß zwischen Bedienknopf und einem dem Bedienknopf zugehörigen Gehäuse sehr klein eingestellt werden kann, was einerseits Verschmutzungen vorbeugt und andererseits einen hohen qualitativen Aussehen zu gute kommt.Another advantage results from the fact that the gap between the control knob and the control knob associated housing can be set very small, which on the one hand prevents contamination and on the other hand, a high qualitative appearance comes to good.
Zum Erhalt einer Regelfunktion erzeugen die Mittel zur Detektion der Verschwenk- bewegung jeweils ein der Verschwenkung des betreffenden Hebels im Wesentlichen proportionales Signal.To obtain a control function, the means for detecting the pivoting movement respectively generate a signal which is substantially proportional to the pivoting of the respective lever.
In einer besonders einfachen Ausgestaltung umfassen die Mittel zu Detektion jeweils eine dem betreffenden Hebel zugeordnete Widerstandsbahn und jeweils einen an dem Hebel befestigten, und bei der Verschwenkbewegung über die Widerstandsbahn geführten Schleifkontakt. In Abhängigkeit der Stellung des Hebels wird so ein entsprechender Widerstandswert abgegriffen (Potentiometer-Prinzip), der zur Erzeugung eines der Stellung des betreffenden Hebels entsprechenden Signals verwendet wird.In a particularly simple embodiment, the detection means comprise in each case one resistance track assigned to the respective lever and one respective sliding contact fastened to the lever and guided during the pivoting movement over the resistance track. Depending on the position of the lever so a corresponding resistance value is tapped (potentiometer principle), which is used to generate a signal corresponding to the position of the lever in question.
In einer besonders zuverlässigen und präzisen Ausgestaltung umfassen die Mittel zu Detektion jeweils ein mit dem betreffenden Hebel gekoppeltes Drehpotentiometer oder in diesem Sinne noch bevorzugter einen damit gekoppelten optischen Encoder. Zum Erhalt einer Schaltfunktion erzeugen Mittel zur Detektion der Verschwenkbe- wegung jeweils ein mit der Verschwenkung korreliertes An- oder Aussignal.In a particularly reliable and precise embodiment, the means for detection in each case comprise a rotary potentiometer coupled to the respective lever or, in this sense, more preferably a coupled optical encoder. In order to obtain a switching function, means for detecting the pivoting movement each generate an on or off signal correlated with the pivoting.
Die Schaltfunktion kann in einer preiswerten Ausgestaltung durch wenigstens einen mechanischen Schalter pro Hebel realisiert sein. In einer verschleißarmen Ausgestaltung umfassen die Mittel zur Detektion der Verschwenkbewegung jeweils wenigstens eine Lichtschranke, die so angeordnet ist, dass deren Lichtweg durch Verschwenken des betreffenden Hebels abgeschattet werden kann.The switching function can be realized in a low-cost configuration by at least one mechanical switch per lever. In a low-wear embodiment, the means for detecting the pivoting movement each comprise at least one light barrier, which is arranged so that its light path can be shaded by pivoting the respective lever.
Bevorzugt umfassen die Mittel zur Detektion der Verschwenkbewegung jeweils wenigstens zwei Lichtschranken pro Hebel, um die Richtung der Verschwenkbewegung des betreffenden Hebels, beispielsweise aus seiner Ruhestellung, zu detektie- ren. Dadurch können pro Hebel drei Schaltzustände realisiert werden: Ruhestellung, Ausschlag in einer erste Richtung und Ausschlag in eine zweite, entgegen gesetzte Richtung.The means for detecting the pivoting movement preferably each comprise at least two light barriers per lever in order to detect the direction of the pivoting movement of the relevant lever, for example from its rest position. Thus, three switching states can be realized per lever: rest position, deflection in a first direction and rash in a second, opposite direction.
Bevorzugt sind die Schwenkachsen der Hebel um 90° versetzt um eine Ruhestellung der Stellachse angeordnet. Dadurch kann einfach zusammen mit der Erzeugung eines der Verschwenkung des betreffenden Hebels im Wesentlichen proportionalen Signals für jeden Hebel ein Eingabegerät geschaffen werden, dass zur Steuerung eines Cursors oder dergleichen auf einem Anzeigegerät dient. Bei der Ausgestaltung, bei der die Mittel zur Detektion der Verschwenkbewegung jeweils wenigstens zwei Lichtschranken pro Hebel umfassen, können mit der um 90° versetzten Hebelanordnung vergleichsweise einfach, ein 4-Wege-Schalter oder gar ein 8-Wege-Schalter realisiert werden.Preferably, the pivot axes of the lever are arranged offset by 90 ° about a rest position of the adjusting axis. As a result, an input device which serves to control a cursor or the like on a display device can be easily created together with the generation of a signal which is substantially proportional to the pivoting of the relevant lever for each lever. In the embodiment in which the means for detecting the pivoting movement in each case comprise at least two light barriers per lever can be realized relatively easily with the offset by 90 ° lever arrangement, a 4-way switch or even an 8-way switch.
Bevorzugt sind Mittel zur Rückstellung der Hebel und damit der Stellachse in die Ruhestellung vorgesehen. Beispielsweise sind Federn zur Rückstellung der Hebel vorgesehen.Preferably means for returning the lever and thus the adjusting axis are provided in the rest position. For example, springs are provided for returning the lever.
In einer weiteren Ausgestaltung ist vorgesehen, dass die Stellachse zur Durchführung einer zusätzlichen Schalt- und/oder Regelfunktion um ihre Achse drehbar oder in Achsenrichtung verschiebbar ist und dass sie auf ein zugehöriges Schalt- oder Regelglied, beispielsweise ein Drehpotentiometer oder einen optischen Encoder für die Regelfunktion oder einen Tastschalter für die Schaltfunktion, einwirkt. Diese zusätzliche Funktionalität ist aufgrund des einfachen Aufbaus und der reinen translatorischen Bewegung der Stellachse besonders leicht in die erfindungsgemäße Ausgestaltung zu integrieren.In a further embodiment, it is provided that the adjusting axis for performing an additional switching and / or control function is rotatable about its axis or displaceable in the axial direction and that it is an associated switching or control element, such as a rotary potentiometer or an optical encoder for the control function or a pushbutton for the switching function, acts. This additional functionality is particularly easy to integrate into the inventive design due to the simple structure and the pure translational movement of the adjusting axis.
Zum Erreichen einer hohen Festigkeit und Haltbarkeit sind wenigstens die Hebel und/oder die Stellachse aus einer Zink-Aluminium-Magnesium-Kupfer-(ZAMAK)- Legierung, beispielsweise in einem Zinkdruckgussverfahren, hergestellt.To achieve high strength and durability, at least the levers and / or the adjusting shaft are made of a zinc-aluminum-magnesium-copper (ZAMAK) alloy, for example in a zinc die-casting process.
Aufgrund der Möglichkeit einen Bedienknopf vorzusehen, der haptisch gut zu ergreifen ist und zudem einen geringen Überstand aufweisen kann und da die zugehörige Mechanik gegenüber Eindringen von Reinigungsflüssigkeit und Staub leicht abzudichten ist, findet das erfindungsgemäße Bedienelement vorteilhaft bei einem Kraftfahrzeug Anwendung.Due to the possibility to provide a control knob, which is easy to take haptic and also may have a slight projection and since the associated mechanism is easy to seal against penetration of cleaning fluid and dust, the control element according to the invention is advantageously applied to a motor vehicle application.
In der beigefügten Figur ist eine bevorzugte Ausführungsform der wesentlichen Elemente der Mechanik des erfindungsgemäßen Bedienelements schematisch dargestellt, ohne die Erfindung darauf zu beschränken.In the attached figure, a preferred embodiment of the essential elements of the mechanics of the control element according to the invention is shown schematically, without limiting the invention thereto.
Das Bedienelement 1 umfasst einen Bedienknopf 2 der mit einer Stellachse 6 starr verbunden ist. Die Stellachse 6 greift jeweils in längliche Ausnehmungen 9 zweier Schenkel eines Hebels 5 und entsprechend in die Ausnehmung eines weiteren Hebels 4 ein, wobei die Hebel 4, 5 um jeweils zugehörige, an einer Grundplatte 8 befestigte Schwenkachsen 3 verschwenkbar gelagert sind. Die Schwenkachsen sind um 90° um die Stellachse 6 versetzt angeordnet. Die Ausnehmungen 9 sind so dimensioniert, dass deren Rand in einer Verschwenkrichtung möglichst spielfrei an der Stellachse 6 anliegt, andererseits deren Längsausdehnung so bemessen ist, dass das Bewegungsmaß der Stellachse in Verschwenkrichtung des jeweils anderen Hebels 4 bzw. 5 ausreichend gestattet ist. Die Verschwenkbewegung der Hebel 4, 5, die durch den Bedienknopf 2 über die Stallachse 6 bewirkt wird, wird durch nicht dargestellte Mittel zur Detektion der Verschwenkbewegung detektiert. Beispielsweise ist auf der Grundplatte 8 je eine dem betreffenden Hebel 4, 5 zugeordnete Widerstandsbahn vorgesehen, die von einem Schleifkontakt bei der Verschwenkbewegung abgefahren wird, um ein der Verschwenkstellung entsprechenden Widerstandswert und damit ein dazu proportionales Signal zu erzeugen. In einer weiteren Ausgestaltung kann vorgesehen sein, dass die Stellachse 6 zur Vornahme einer zusätzlichen Schalt- und/oder Regelfunktion durch den Bedienknopf 2, um ihre Achse drehbar oder in Richtung ihrer Längsachse verschiebbar ist und dass sie auf ein zugehöriges Schalt- oder Regelglied, beispielsweise ein Drehpotentiometer oder einen optischen Encoder für die Regelfunktion oder einen Tastschalter für die Schaltfunktion, einwirkt. Diese zusätzliche Funktionalität ist aufgrund des einfachen Aufbaus und der reinen translatorischen Bewegung der Stellachse 6 besonders leicht in die erfindungsgemäße Ausgestaltung zu integrieren. The operating element 1 comprises a control knob 2 which is rigidly connected to a control axis 6. The adjusting shaft 6 engages in each case in elongate recesses 9 of two legs of a lever 5 and correspondingly in the recess of a further lever 4, wherein the levers 4, 5 are mounted pivotably about respectively associated, attached to a base plate 8 pivot axes 3. The pivot axes are arranged offset by 90 ° about the adjusting axis 6. The recesses 9 are dimensioned so that their edge abuts in a pivoting as possible clearance on the adjusting axis 6, on the other hand whose longitudinal extent is dimensioned so that the amount of movement of the adjusting axis in the pivoting direction of the other lever 4 and 5 is sufficiently permitted. The pivoting movement of the levers 4, 5, which is effected by the control knob 2 on the housing axis 6, is detected by means, not shown, for detecting the pivoting movement. For example, on the base plate 8 each one of the relevant lever 4, 5 associated resistance path provided by a sliding contact in the Swinging movement is traversed to produce a pivoting position corresponding resistance value and thus a signal proportional thereto. In a further embodiment, it may be provided that the adjusting shaft 6 for performing an additional switching and / or control function by the control knob 2, is rotatable about its axis or displaceable in the direction of its longitudinal axis and that they on an associated switching or control element, for example a rotary potentiometer or an optical encoder for the control function or a push button switch for the switching function, acts. This additional functionality is particularly easy to integrate into the inventive design due to the simple structure and the pure translational movement of the adjusting axis 6.

Claims

Preh GmbH, Bad Neustadt a. d. Saale 24.07.2008P A T E N T A N S P R Ü C H E Preh GmbH, Bad Neustadt ad Saale 24.07.2008P ATENTANSPR Ü CHE
1. Bedienelement (1), umfassend einen Bedienknopf (2), wenigstens zwei verschwenkbare Hebel (4, 5), eine mit dem Bedienknopf verbundene Stellachse (6), die mit den verschwenkbaren Hebeln (4, 5) so zusammenwirkt, dass die Hebel (4, 5) entsprechend der Bewegung der Stellachse verschwenkt werden, und Mittel zur Detektion der Verschwenkbewegung der Hebel (4, 5), dadurch gekennzeichnet, dass die Stellachse (6) senkrecht zur Achse verschiebbar gelagert ist.First operating element (1), comprising a control knob (2), at least two pivotable levers (4, 5), connected to the control knob adjusting axis (6) which cooperates with the pivotable levers (4, 5) so that the lever (4, 5) are pivoted in accordance with the movement of the adjusting axis, and means for detecting the pivoting movement of the lever (4, 5), characterized in that the adjusting axis (6) is mounted displaceably perpendicular to the axis.
2. Bedienelement (1) nach Anspruch 1 , dadurch gekennzeichnet, dass die Mittel zur Detektion der Verschwenkbewegung jeweils ein der Verschwenkung des betreffenden Hebels (4, 5) im Wesentlichen proportionales Signal erzeugen.Second operating element (1) according to claim 1, characterized in that the means for detecting the pivoting movement in each case one of the pivoting of the respective lever (4, 5) generate substantially proportional signal.
3. Bedienelement (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Mittel zu Detektion der Verschwenkbewegung jeweils eine dem betreffenden Hebel (4, 5) zugeordnete Widerstandsbahn und jeweils einen an dem Hebel (4, 5) befestigten, und bei der Verschwenkbewegung über die Widerstandsbahn geführten Schleifkontakt umfassen.3. Operating element (1) according to the preceding claim, characterized in that the means for detecting the pivoting movement in each case one respective lever (4, 5) associated resistance path and one on the lever (4, 5) attached, and in the pivoting movement comprise sliding contact guided over the resistance track.
4. Bedienelement (1) nach Anspruch 2, dadurch gekennzeichnet, dass die Mittel zu Detektion der Verschwenkbewegung jeweils ein mit dem betreffendem Hebel (4, 5) gekoppeltes Drehpotentiometer oder einen optischen Encoder umfassen.4. Control element (1) according to claim 2, characterized in that the means for detecting the pivoting movement each comprise a with the respective lever (4, 5) coupled rotary potentiometer or an optical encoder.
5. Bedienelement (1) nach Anspruch 1 , dadurch gekennzeichnet, dass die Mittel zur Detektion der Verschwenkbewegung jeweils ein mit der Verschwenkung des betreffenden Hebels (4, 5) korreliertes An- oder Aussignal erzeugen. 5. Control element (1) according to claim 1, characterized in that the means for detecting the pivoting movement in each case generate a correlated with the pivoting of the respective lever (4, 5) on or off signal.
6. Bedienelement (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Mittel zur Detektion der Verschwenkbewegung jeweils wenigstens eine Lichtschranke umfassen, die so angeordnet ist, dass deren Lichtweg durch Verschwenken des betreffenden Hebels (4, 5) abgeschattet werden kann.6. Operating element (1) according to the preceding claim, characterized in that the means for detecting the pivoting movement each comprise at least one light barrier, which is arranged so that the light path by pivoting the respective lever (4, 5) can be shaded.
7. Bedienelement (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Mittel zur Detektion der Verschwenkbewegung jeweils wenigstens zwei Lichtschranken pro Hebel (4, 5) umfassen, um die Richtung der Verschwenkbewegung des betreffenden Hebels (4, 5) zu detektieren.7. operating element (1) according to the preceding claim, characterized in that the means for detecting the pivoting movement each comprise at least two light barriers per lever (4, 5) to detect the direction of the pivoting movement of the respective lever (4, 5).
8. Bedienelement (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schwenkachsen (3) der Hebel (4, 5) um 90° versetzt um eine Ruhestellung der Stellachse (6) angeordnet sind.8. operating element (1) according to any one of the preceding claims, characterized in that the pivot axes (3) of the lever (4, 5) offset by 90 ° about a rest position of the adjusting axis (6) are arranged.
9. Bedienelement (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass Mittel zur Rückstellung der Hebel (4, 5) und damit der Stellachse (6) in die Ruhestellung vorgesehen sind.9. operating element (1) according to any one of the preceding claims, characterized in that means for returning the lever (4, 5) and thus the adjusting axis (6) are provided in the rest position.
10. Bedienelement (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Stellachse (6) zur Durchführung einer zusätzlichen Schalt- und/oder Regelfunktion um ihre Achse drehbar oder in Achsenrichtung verschiebbar ist und auf ein zugehöriges Schalt- oder Regelglied einwirkt.10. Operating element (1) according to any one of the preceding claims, characterized in that the adjusting axis (6) for performing an additional switching and / or control function about its axis is rotatable or displaceable in the axial direction and acts on an associated switching or control element.
11. Kraftfahrzeug gekennzeichnet durch ein Bedienelement (1) nach einem der vorhergehenden Ansprüche 1 bis 10. 11. Motor vehicle characterized by an operating element (1) according to one of the preceding claims 1 to 10.
PCT/EP2009/055796 2008-07-25 2009-05-14 Translationally actuated joystick WO2010009914A1 (en)

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