EP1680718A1 - Dispositif de commande actionne manuellement - Google Patents

Dispositif de commande actionne manuellement

Info

Publication number
EP1680718A1
EP1680718A1 EP03780616A EP03780616A EP1680718A1 EP 1680718 A1 EP1680718 A1 EP 1680718A1 EP 03780616 A EP03780616 A EP 03780616A EP 03780616 A EP03780616 A EP 03780616A EP 1680718 A1 EP1680718 A1 EP 1680718A1
Authority
EP
European Patent Office
Prior art keywords
control device
hand
operated control
metal point
handling lever
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
EP03780616A
Other languages
German (de)
English (en)
Other versions
EP1680718B1 (fr
Inventor
Marco Franchini
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.)
Ter Tecno Elettrica Ravasi Srl
Original Assignee
Ter Tecno Elettrica Ravasi Srl
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 Ter Tecno Elettrica Ravasi Srl filed Critical Ter Tecno Elettrica Ravasi Srl
Publication of EP1680718A1 publication Critical patent/EP1680718A1/fr
Application granted granted Critical
Publication of EP1680718B1 publication Critical patent/EP1680718B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G05G5/06—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only
    • 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
    • G05G9/04785—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 the controlling member being the operating part of a switch arrangement
    • 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
    • G05G2009/04766—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 providing feel, e.g. indexing means, means to create counterforce

Definitions

  • the present invention relates to a hand- operated control device .
  • many hand-operated control devices are known, in particular for the remote operation, by means of a control lever, of sundry machinery, including for example lifting or handling equipment.
  • the market often requires control devices which convey to the operator the tactile sensation of performing discrete increments when moving.
  • a method to meet this requirement comprises a device with a control lever sliding along detent grooves. More particularly, such feature is implemented by means of a working area, determined by a preformed grid, upon which as many slots as the number of desired detent grooves have been cut .
  • the preformed grid has a spherical-section-shaped surface.
  • a metal point is geometrically shaped in such a way as to engage said slots, sliding on said working area, fitting into them by way of the pressure exerted by a spring which elastically connects it to the control lever and thus conveying tactile sensations corresponding to the desired detents.
  • a first drawback linked to the use of said grid, and in particular to said spherical-section- shaped surface comprises the need to use an additional elastic element aimed at bringing the control lever to the idle position, called zero position.
  • the operator has to exert upon the command lever a force which appears to be always constant, regardless of the lever position.
  • the aim of the present invention is therefore the solution of said problems by implementing a hand- operated control device which allows an easy and
  • a further aim of the present invention is the
  • the present invention is aimed at
  • control device in particular for use in industrial
  • Figure 1 depicts an exploded axonometric view of the hand-operated control device according to the present invention
  • Figure 2 depicts an overall longitudinal sectional view of the hand-operated control device according to the present invention
  • - Figure 3 depicts a longitudinal sectional view of the lower portion of the hand-operated control device, in a working position
  • Figure 4 depicts a comparative chart of two different geometrical profiles relating to the working area of the hand-operated control device according to the present invention
  • Figure 5 depicts a shop drawing showing an example of an envelope of the centres of the circles forming the slots on the working area, as well as the end working area
  • Figure 6 depicts some partial longitudinal sectional views of the hand-operated control device in several working positions.
  • the hand-operated control device 10 comprises, as illustrated in fig. 2, five main parts: a rod support 20, a handling lever 4, a metal point 12, a spring 11 and an elliptical working area 30.
  • a rod support 20 a rod support 20
  • a handling lever 4 a metal point 12, a spring 11 and an elliptical working area 30.
  • Such main elements in their turn can be broken down into a sequence of components, as shown in the exploded view of fig. 1.
  • a cap for the hand-operated control device 2 which encloses the upper part of the operating mechanism by linking to a frame 13 through a cap fastener 6.
  • the cap fastener 6 is connected to the upper portion of a switch 7 which interacts with the handling lever 4 through a sphere bearing for the switch 8 and through a sphere antirotating pivot 9.
  • the control device which is the subject-matter of the invention feaures, as shown, a handling lever 4 into which a metal point 12 fits, which in its turn is coupled with a spring 11.
  • the function of the spring 11 is to allow the relative sliding between the metal point 12 and the handling lever 4, so as to exert the pressure needed for the metal point 12 to engage the slots 14 on the working area 30.
  • Fig. 5 illustrates by way of example: an envelope of the centres of the circles forming the slots on the working area (letter A) and the profile of the actual end working area (letter B) . Should no kind of detent be necessary, the working area shall simply be a concave hyperboloid.
  • Table 1 shows, by mere way of example, the variation of the stroke of the spring 11 as a function of movements along a reference plane XY for the working are .
  • the proportionality between the stroke and the movement is not linear, but quadratic.
  • the hand-operated control device which is the subject-matter of the invention features the following significant advantages and outstanding characteristics.
  • the control device comprises a limited number of components, thus favourably reducing the likelihood of breakdown of the system as a whole and increasing the availability thereof accordingly.
  • the peculiar exemplified shape, with the working area 30 having a hyperbolic profile, allows the use of a single spring to implement the recovery of the zero position by the control device.
  • return force is the result of the interaction of the working area with the single spring 11 of the control device.
  • the system is stable only in the zero position, since only in this point does the spring 11 report the steady minimum value of the elastic energy.
  • the force exerted by the user on the handling lever 4 grows exponentially as a function of the distance from the zero position. In this way, a force is implemented to achieve a movement which is proportional to the desired effect, thus significantly increasing safety in the industrial environment where the device is used.
  • the return force exerted by the spring 11 upon the handling lever 4 appears to be maximum when the latter is in its extreme position, namely is farthest from the zero position. As a rule, when the lever 4 is in this position, the system controlled by the hand-operated control device is in its most critical state, for example at its highest speed.

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 dispositif de commande actionné manuellement se composant d'un groupe d'actionnement supérieur comprenant un levier de manoeuvre (4) associé au moyen de commande (8) et supporté correctement. Une pointe métallique (12) est insérée dans le levier de manoeuvre pour agir sur la zone de travail (30), la pointe métallique et le levier de manoeuvre étant dotés d'un moyen élastique (11) permettant leur emboîtement. Dans le dispositif de l'invention, la zone de travail possède une certaine forme permettant, en interaction avec les positions de travail de ladite pointe métallique, de transformer l'énergie élastique du moyen élastique en une force de retour agissant également sur le levier de manoeuvre.
EP03780616A 2003-11-03 2003-11-03 Dispositif de commande actionne manuellement Expired - Fee Related EP1680718B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2003/000710 WO2005043269A1 (fr) 2003-11-03 2003-11-03 Dispositif de commande actionne manuellement

Publications (2)

Publication Number Publication Date
EP1680718A1 true EP1680718A1 (fr) 2006-07-19
EP1680718B1 EP1680718B1 (fr) 2007-05-23

Family

ID=34531879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03780616A Expired - Fee Related EP1680718B1 (fr) 2003-11-03 2003-11-03 Dispositif de commande actionne manuellement

Country Status (4)

Country Link
EP (1) EP1680718B1 (fr)
AU (1) AU2003288713A1 (fr)
DE (1) DE60314023D1 (fr)
WO (1) WO2005043269A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014103988A1 (de) * 2014-03-24 2015-09-24 Elobau Gmbh & Co. Kg Joystick mit intrinsisch sicherem Force-Feedback
DE102015004206B4 (de) * 2015-03-31 2022-11-17 Audi Ag Bedienvorrichtung für ein Fahrzeug, insbesondere ein Personenkraftfahrzeug
ITUB20152214A1 (it) * 2015-07-15 2017-01-15 Pizzato Elettrica Srl Attuatore a leva per il comando di dispositivi elettrici

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES160241Y (es) * 1969-07-18 1971-05-16 Telemeccanica Elettrica Officine Meccaniche R. Un manipulador electrico multidireccional de palanca.
FR2193241B1 (fr) * 1972-07-21 1976-01-16 Telemecanique Electrique
JPH0751625Y2 (ja) * 1990-06-18 1995-11-22 京セラ株式会社 ジョイスティック
DE4306577C2 (de) * 1993-03-03 1998-02-12 Nbb Nachrichtentech Gmbh Handsteuergerät mit einem Steuerknüppel
WO2000039654A2 (fr) * 1998-12-24 2000-07-06 Mannesmann Rexroth Ag Appareil de commande electrique actionne manuellement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2005043269A1 *

Also Published As

Publication number Publication date
EP1680718B1 (fr) 2007-05-23
WO2005043269A1 (fr) 2005-05-12
AU2003288713A1 (en) 2005-05-19
DE60314023D1 (de) 2007-07-05

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