EP1640842A2 - Elément analogique de commande - Google Patents

Elément analogique de commande Download PDF

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Publication number
EP1640842A2
EP1640842A2 EP05019412A EP05019412A EP1640842A2 EP 1640842 A2 EP1640842 A2 EP 1640842A2 EP 05019412 A EP05019412 A EP 05019412A EP 05019412 A EP05019412 A EP 05019412A EP 1640842 A2 EP1640842 A2 EP 1640842A2
Authority
EP
European Patent Office
Prior art keywords
housing
joystick
control element
spring elements
element according
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Withdrawn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
EP05019412A
Other languages
German (de)
English (en)
Other versions
EP1640842A3 (fr
Inventor
Gerhard Wergen
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.)
Wergen Gerhard
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1640842A2 publication Critical patent/EP1640842A2/fr
Publication of EP1640842A3 publication Critical patent/EP1640842A3/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Withdrawn legal-status Critical Current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
    • G05G5/05—Means for returning or tending to return controlling members to an inoperative or neutral position, e.g. by providing return springs or resilient end-stops
    • 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

Definitions

  • the invention relates to an actuating element according to the preamble of claim 1.
  • Such an actuator is known for example from WO 96/38810 for the electromechanical operation of equipment and facilities.
  • the special feature of this control element is the fatigue-free, precise operation, because it responds only to manual transverse but not to longitudinal stress of its handle.
  • the joystick is designed as a two-armed lever, which is suspended under indifferent equilibrium by means of a pivot joint in the housing, from which it protrudes with an end portion which serves as a handle.
  • the control stick of the handle opposite the inside of the housing is equipped with a counterweight, which can serve as a stop with respect to the transverse load of the joystick and also as a measuring disk for communication with housing-mounted sensors.
  • the sensors are designed as virtually wegok responsive pressure sensors against which the measuring disc is applied virtually no play, the actual angular deflection of the joystick in its transverse or bending stress is virtually zero.
  • the pressure sensors also provide the restoring forces for the return of the joystick to its central rest position when no more transverse pressure is exerted on the handle.
  • the present invention is based on the technical problem, despite virtually wegokoer operation to achieve a mechanically reliable return of the unloaded joystick in its neutral or rest position regardless of the function of the sensors, thereby opening up the possibility of non-contact working Insert sensors.
  • a surrounding rigid spring cage of frusto-conical shape is arranged between the housing and the control stick. Its spring elements are anchored on the one hand with a small base surface on the housing in the vicinity of the articulated suspension of the joystick and on the other hand with a large base surface on a return plate, which can slide virtually without radial play along the joystick.
  • the concentric to the unloaded control stick surface of the spring cage is determined in the form of hollow truncated cone of more than two spiral spring elements. They are relaxed in the neutral center position of the joystick. If each of these spring elements is linear, at both ends is fixed rigidly and the axis of the actuating element is arranged inclined relative to such that the imaginary extensions (ie the apex) lie in the pivot center of the suspension of the joystick in the housing, then leads a transverse load on the handle
  • the inventively designed actuator 11 has a cup-shaped housing 12, the solid bottom 13 against the sketch must not be formed integrally with the hollow cylindrical housing wall 14.
  • the bottom 13 is penetrated concentrically by a control stick 15, which is designed as a single-ended two-armed linear lever, protrudes from the one end as a handle 16 through the bottom 13 from the housing 12.
  • the joystick 15 is suspended with a thickening in the manner of a ball 17 directly in the bottom 13 or in a bearing shell 18 used there articulated.
  • To the interior 19 of the housing 12 towards opening concentric in the bottom 13 of this suspension is followed by a bore 20 whose diameter is greater than that of the joystick 15 to ensure that the already very weak pivoting movement of the joystick 15 here at the bottom 13th no limit stops experienced.
  • the handle 16 opposite the control stick 15 carries a solid wheel 21, which serves as a deflection stop against a circumferential inside the wall 14 solid rib 22.
  • the wheel 21 or the central opening 23 in the rib 22 are not axially parallel but bordered frustoconically, so that the wheel 21 under large peripheral peripheral system of the rolling surfaces 25 can rotate around each other with its sliding bearing 24 smoothly on the joystick 15 when the joystick 15 is moved manually kegelmantel Technologyförmig because with the laterally deflected handle 16 a circular motion is performed.
  • the joystick 15 should move from the outlined deflection back into its concentric to the surrounding housing 12 rest position. This is effected by means of spring elements 26 which are tensioned when deflecting the joystick 15 of this the housing 12 opposite and then spring back under the entrainment of the joystick in their non-biased rest position.
  • the spring elements 26 do not engage directly on the joystick 15, but via a return plate 27, with which the joystick 15 is loosely fitted longitudinally displaceable and in which the spring elements 26 are preferably anchored rigidly. Opposite the spring elements 26 in the vicinity of the suspension, so the ball 17 in the housing 12 are preferably also rigidly attached.
  • the arrangement of more than two spring elements 26 is thus such that they form under one-sided rigid mounting in the housing bottom 13 and opposite under rigid mounting in the return plate 27, so to speak, the housing 12 concentric wall of a control stick 15 surrounding cage 28. Its wall elements, so the spring elements 27 experience a slight elastic deflection when the return plate 27 is shifted slightly laterally from the concentric rest position in the housing interior 19 with the joystick 15. The relaxation of the deflection leads the disc 27 and thus the joystick 15 in the concentric rest position. This lateral displacement is accompanied by a slight longitudinal displacement on the joystick 15.
  • the at least three, preferably at least four hysteresis-free spring elements 26 can basically be used in any configuration, such as small molding, screw or coil springs, and be installed in any orientation between the housing 12 and the return plate 27, approximately along a cylinder wall and thereby axially hyperbola or pivoted hyperboloidally with respect to the center axis 29.
  • hysteresis-free spring elements 26 can basically be used in any configuration, such as small molding, screw or coil springs, and be installed in any orientation between the housing 12 and the return plate 27, approximately along a cylinder wall and thereby axially hyperbola or pivoted hyperboloidally with respect to the center axis 29.
  • Such fairly rigid linear spring wire pieces are preferred, as outlined, along an acute-angled Kegelstumpfwandung, and thus in each case axially symmetrically circumferentially offset axial section planes relative to the system center axis 29 inclined at an acute angle, in the de-energized state respectively at both ends rigidly so between the bottom 13 and the return disk 27 installed that the fictitious cone angle of the frusto-conical cage 28 in the pivot and center 34 of the ball 17 and thus in the pivot point 34 of the handle 16 and thus the whole joystick 15 is located.
  • a housing-fixed C-shaped sensor holder 30 for receiving a component of movement of the there reaching into the edge of the disc 27, which is oriented in the plane of the drawing; a transverse thereto (that is, behind the plane) arranged sensor holder would then detect the orthogonal directed motion component, so that the pivotal movement of the disc 27 and thus the handle 16 would be detected by measuring these two Cartesian coordinates.
  • the deflection of the spring elements 26 is limited by the stop of the counterweight dimensioned wheel 21 against the housing fixed circumferential rib 22.
  • the return plate 27 can not be used for this stop function, because they are at circular movement of the transversely loaded handle 16 roll along the inner circumferential surface of the housing wall 14, so turn with its slide bearing 35 on the joystick 15 and therefore would no longer be available as a lateral force-dependent deflecting sensor measuring disk 27.
  • the joystick 15 can also be held pivotally mounted with respect to the handle 16 beyond the return plate 27.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Control Devices (AREA)
  • Position Input By Displaying (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Switches With Compound Operations (AREA)
EP05019412A 2004-09-15 2005-09-06 Elément analogique de commande Withdrawn EP1640842A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200410045067 DE102004045067B4 (de) 2004-09-15 2004-09-15 Analoges Stellelement

Publications (2)

Publication Number Publication Date
EP1640842A2 true EP1640842A2 (fr) 2006-03-29
EP1640842A3 EP1640842A3 (fr) 2006-05-31

Family

ID=35457254

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05019412A Withdrawn EP1640842A3 (fr) 2004-09-15 2005-09-06 Elément analogique de commande

Country Status (2)

Country Link
EP (1) EP1640842A3 (fr)
DE (1) DE102004045067B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11409321B2 (en) 2018-11-15 2022-08-09 Crouzet Automatismes Joystick

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881106A (en) * 1973-02-27 1975-04-29 Messerschmitt Boelkow Blohm Device for producing electrical signals by means of a control stick
EP0400633A2 (fr) * 1989-05-30 1990-12-05 Ichikoh Industries Limited Commutateur télécommandé pour l'ajustage de la position des miroirs automobiles
WO1996038810A1 (fr) 1995-06-02 1996-12-05 Gerhard Wergen Element analogique de commande
US20040164959A1 (en) * 1995-01-18 2004-08-26 Rosenberg Louis B. Computer interface apparatus including linkage having flex

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375631A (en) * 1981-04-09 1983-03-01 Ampex Corporation Joystick control
DE19519941C1 (de) * 1995-06-02 1997-03-13 Gerhard Dipl Ing Wergen Steuerknüppel
DE29612554U1 (de) * 1996-07-19 1996-09-12 Primax Electronics Ltd., Hsi Chih Town, Taipeh/T'ai-pei Computer-Joystick
TW364092B (en) * 1997-04-04 1999-07-11 Matsushita Electric Industrial Co Ltd A load sensor and a pointing equipment incorporating the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881106A (en) * 1973-02-27 1975-04-29 Messerschmitt Boelkow Blohm Device for producing electrical signals by means of a control stick
EP0400633A2 (fr) * 1989-05-30 1990-12-05 Ichikoh Industries Limited Commutateur télécommandé pour l'ajustage de la position des miroirs automobiles
US20040164959A1 (en) * 1995-01-18 2004-08-26 Rosenberg Louis B. Computer interface apparatus including linkage having flex
WO1996038810A1 (fr) 1995-06-02 1996-12-05 Gerhard Wergen Element analogique de commande

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11409321B2 (en) 2018-11-15 2022-08-09 Crouzet Automatismes Joystick

Also Published As

Publication number Publication date
EP1640842A3 (fr) 2006-05-31
DE102004045067B4 (de) 2009-01-15
DE102004045067A1 (de) 2006-03-30

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