EP4127857B1 - Interface homme-machine - Google Patents

Interface homme-machine Download PDF

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Publication number
EP4127857B1
EP4127857B1 EP21704594.7A EP21704594A EP4127857B1 EP 4127857 B1 EP4127857 B1 EP 4127857B1 EP 21704594 A EP21704594 A EP 21704594A EP 4127857 B1 EP4127857 B1 EP 4127857B1
Authority
EP
European Patent Office
Prior art keywords
utensil
rocker
axis
neutral position
springs
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.)
Active
Application number
EP21704594.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4127857A1 (fr
EP4127857C0 (fr
Inventor
Hervé Carton
Morgan Verdier
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.)
Thales Avionics SAS
Original Assignee
Crouzet SA
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 Crouzet SA filed Critical Crouzet SA
Publication of EP4127857A1 publication Critical patent/EP4127857A1/fr
Application granted granted Critical
Publication of EP4127857C0 publication Critical patent/EP4127857C0/fr
Publication of EP4127857B1 publication Critical patent/EP4127857B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/04—Controlling members for hand actuation by pivoting movement, e.g. levers
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G2505/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
    • H01H23/28—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button with three operating positions
    • H01H23/30—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button with three operating positions with stable centre positions and one or both end positions unstable

Definitions

  • the invention relates to a man-machine interface.
  • such a man-machine interface may be a thumbwheel as described in the application EP2509090 .
  • the utensil that can be moved by hand by the user is a wheel.
  • This wheel is returned to its neutral position by two springs wound around the axis of rotation of the wheel.
  • the wheel no longer returns to its neutral position and the man-machine interface is no longer usable.
  • the invention aims to overcome this drawback by proposing a more robust man-machine interface. Its object is therefore such a man-machine interface conforming to claim 1.
  • THE figures 1 to 3 represent a man-machine interface 2 comprising a utensil 4 guided in rotation inside a chassis 6.
  • the utensil 4 is a wheel.
  • Interface 2 is therefore a wheel button.
  • the utensil 4 is only mounted to rotate around a single axis 10.
  • the axis 10 is parallel to a direction X of an orthogonal reference XYZ.
  • Axis 10 is systematically stationary relative to chassis 6.
  • the X and Y directions are horizontal and the Z direction is vertical. Subsequently, terms such as “top”, “bottom”, “upper”, “lower” and the like are defined with respect to the vertical direction Z. The terms “left” and “right” are defined with respect to the direction Y and a vertical median plane 30 of the interface 2. Thus, the term “right” designates what is to the right of the plane 30 when the direction Y points to the right. Subsequently, the XYZ coordinate system is used to orient each of the figures.
  • the utensil 4 is accessible from outside the chassis 6 so as to be directly operable by hand by a user.
  • the utensil 4 comprises a semi-circular face 12 whose axis of revolution coincides with the axis 10.
  • the face 12 extends around the axis 10 from a lower slide 12A to another slide lower 12B.
  • these parts 12A and 12B are called “slide” because, as described below, they are part of a slide connection.
  • the angle between a first plane containing the axis 10 and the slide 12A and a second plane containing the axis 10 and the slide 12B is greater than 45° or 90° and, generally, less than 270° or 200°. Here, this angle is equal to 180°.
  • notches 14 project inwards from face 12.
  • the utensil 4 also includes a lever 16 projecting outwards from the face 12. In a neutral position, this lever 16 extends essentially vertically.
  • the lever 16 can be grasped by the user's fingers to move the utensil 4 in rotation around the axis 10 in a forward direction S AV and, alternately, in a rear direction S AR .
  • the forward S AV and reverse S AR directions are represented by arrows identified by, respectively, the symbols S AV and S AR on the figure 1 .
  • the S AV direction is counterclockwise and the S AR direction is clockwise.
  • the utensil 4 pivots, around the axis 10 and in the direction S AV , from the neutral position, shown on the figure 1 , towards a first inclined position shown on the figure 2 .
  • the utensil 4 is also capable of pivoting, around the axis 10 and in the S AR direction, from the neutral position, towards a second inclined position.
  • this second inclined position of the utensil 4 is symmetrical to the first inclined position relative to a vertical plane 30 ( Fig. 1 ).
  • Plane 30 contains axis 10 and extends parallel to the X and Z directions. Plane 30 also passes through lever 16 when the utensil is in its neutral position.
  • the neutral position is the position that the utensil 4 occupies in the absence of external stress.
  • the angular offset ⁇ AV between the neutral position and the first inclined position is here between 15° and 90° or between 20° and 45°.
  • the utensil 4 is mounted on the axis 10 via two ball bearings 20, 22 ( Fig. 2 And 3 ).
  • the utensil 4 comprises a shaft 24 which extends along the axis 10. Each end of the shaft 24 is fixed, without any degree of freedom, on an interior periphery of the ball bearings 20 and 22.
  • the shaft 24 is mechanically connected to the face 12 by a wall 26.
  • the wall 26 extends in a vertical plane 28 ( Fig. 1 ) parallel to directions Y and Z.
  • wall 26 is a half-disc whose center is located on axis 10.
  • Plane 28 is a plane of symmetry for interface 2. In the neutral position, interface 2 is also symmetrical with respect to plane 30. Thus, subsequently, only the elements of interface 2 located behind the plane 28 and to the right of plan 30 are described in detail. The other elements are deduced by symmetry.
  • the outer periphery of the bearings 20, 22 is fixed without any degree of freedom inside respective holes provided in rigid half-shells, respectively, 32 and 34 ( Fig. 3 ).
  • the half-shells 32 and 34 fit into each other along a mounting plane merged here with the plane 28. When these half-shells 32, 34 are fitted into each other , they form chassis 6.
  • the half-shell 32 is shaped to guide and limit the angular amplitude of the movement of the utensil 4.
  • the half-shell 32 has a circular groove 36 ( Fig. 2 ) inside which a vertical edge of the face 12 slides when the utensil 4 moves between the first and second inclined positions.
  • the end of this groove 36 forms a stopper which prevents the utensil 4 from going beyond the first and second inclined positions.
  • the groove 36 delimits the angular amplitude of the movement of the utensil 4.
  • the half-shell 32 has a vertical exterior face facing the side opposite to the plane 28.
  • This exterior face includes an exterior housing 38 ( Fig. 3 ) capable of receiving an electronic card 40 ( Fig. 3 ).
  • the electronic card 40 typically includes a sensor which measures the angular position of the utensil 4 around the axis 10.
  • Interface 2 also includes a cover 42 ( Fig. 3 ) which covers and protects the electronic card 40.
  • an electronic card 44 ( Fig. 3 ) is received in the exterior housing of the half-shell 34.
  • the electronic card 44 is covered by a cover 46 ( Fig. 3 ).
  • the electronic circuit 44 is for example identical to the electronic circuit 40 so as to ensure redundancy in the measurement of the angular position of the utensil 4.
  • Electronic circuits 40 and 44 are electrically connected to a connector 48 ( Fig. 1 ) through which the angular positions of the utensil 4 measured by these electronic cards are delivered.
  • Interface 2 includes a return mechanism which permanently urges utensil 4 towards its neutral position.
  • This mechanism includes two return springs 52 and 54 ( Fig. 1 And 3 ) and a rocker 50 suspended on these two return springs 52 and 54.
  • the springs 52 and 54 are helical springs whose turns wind around a respective central axis.
  • the springs 52 and 54 have not been shown to improve the readability of this figure.
  • the second leaning position is symmetrical to the first leaning position relative to plane 30.
  • the rocker 50 In the rest position, the rocker 50 maintains the utensil 4 in its neutral position. In the first leaning position ( figure 2 ), the rocker 50 permanently urges the utensil 4 in the S AR direction to bring it back from its first inclined position towards its neutral position. In the second tilted position, the rocker 50 permanently urges the utensil 4 in the direction S AV to bring it back from the second tilted position towards the neutral position.
  • the right part of the rocker 50 comprises a wing 60.
  • the wing 60 comprises a portion which, in the rest position, extends in a horizontal plane passing through the axis 10 and in the direction Y to a point support point 62.
  • the wing 60 includes an arcuate portion which goes around the shaft 24.
  • the wing 60 comprises an upper flat 64 and a lower face 66 both extending in a horizontal plane in the rest position.
  • the lower face 66 comprises a reception zone 68 for receiving the upper end of the spring 52.
  • the zone 68 comprises a cylindrical pin 70 capable of fitting inside the turns of the spring 52.
  • the lower end of the spring 52 rests on a flat arranged in the lower part of the half-shell 32.
  • Each of the springs 52 and 54 is dimensioned to bring, by itself, the rocker 50 into its rest position and this from n' any of the first and second leaning positions.
  • the stop 82 is a projection formed in the interior face of the half-shell 32, that is to say in the face of the half-shell 32 facing the plane 28.
  • the stop 82 extends horizontally in the direction 62.
  • the length of the stop 82 in the direction X is also short enough not to hinder the movement of the utensil 4 when it moves towards the second inclined position.
  • the stop 82 is short enough to allow the wall 26 to pass when the utensil 4 is moved to the second inclined position.
  • the stop 82 is also arranged so as not to hinder the movement of the face 12.
  • the stop 82 is located between the hole which receives the ball bearing 22 and the groove 36.
  • the half-shell 32 also includes a stop 84 ( Figure 3 ) symmetrical of the stop 82 with respect to the plane 30.
  • the support point 62 and the stop 82 are also shaped to form, by cooperation in shape, when the utensil 4 moves towards its first inclined position, a joint 85 ( Fig. 2 ).
  • the articulation 85 allows the rocker 50 to pivot around an axis 86 ( Fig. 2 ) from its rest position to its first leaning position.
  • Axis 86 is distinct and parallel to axis 10
  • the support point 62 in an active position, remains in contact with the stop 82 while the rocker 50 moves between its rest position and its first leaning position.
  • the support point 62 is then located on the axis 86.
  • this support point 62 moves towards a distant position in which it is no longer in contact with the stop 82.
  • the orthogonal projection of the reception zone 68 in the horizontal plane containing the axes 10 and 86 is entirely located between these two axes.
  • the point of application of the return force of the spring 52 on the rocker 50 is located between the axes 10 and 86.
  • This point of application corresponds to the point where a point force of the same direction and of the same amplitude as that exerted by the spring 52 on the rocker 50 produces exactly the same effects as the restoring force exerted by the spring 52.
  • this point of application is located at the intersection of the central axis of the spring 52 and the lower face 66 of the wing 60.
  • the shortest distance between this point of application of the restoring force and the axis 86 is greater than 1 mm, 2 mm or 3 mm. Generally, this shortest distance is also less than 3cm or 1cm.
  • the interface 2 comprises a slide connection 90 which mechanically connects the utensil 4 to the rocker 50.
  • This slide connection allows the utensil 4 to cause the rocker 50 to move against the restoring forces of the resources 52 and 54. It also allows the rocker 50 to cause the utensil 4 to move.
  • the slide connection is formed of a first and a second parts symmetrical to each other relative to the plane 30 in the neutral position.
  • the first part is located to the right of the plane 30.
  • This first part includes the flat 64 of the wing 60 turned upwards and the slide 12A of the semi-circular face 12. More precisely, the point of support 62 of the The wing 60 is located beyond the groove 36.
  • the slide 12A comes to rest on the flat 64 and slides on this flat 64 along 'a direction parallel to the plane 28.
  • the slide 12A moves away from the flat 64 as shown in the figure 2 .
  • the first part of the slide connection can be moved, by the utensil 4, between an mounted position in which the slide 12A slides on the flat 64 and a disassembled position in which the slide 12A is moved away from and mechanically isolated from the flat 64.
  • interface 2 will now be described using the functional representations of the figures 4 and 5 .
  • THE figures 4 and 5 represent the interface 2 when the utensil 4 is, respectively, in its neutral position and in its first inclined position.
  • the different elements of interface 2 described with reference to the previous figures are represented in wire form and bear the same references.
  • the springs 52 and 54 maintain the support points of the wings 60 and 80 simultaneously pressing against, respectively, the stops 82 and 84 of the chassis 6.
  • the rocker 50 is therefore maintained in its rest position.
  • the slides 12A and 12B of the utensil 4 are simultaneously supported on the flats of the wings 60 and 80.
  • the utensil 4 is therefore maintained in its neutral position.
  • the spring 52 keeps the support point 62 of the wing 60 resting on the stop 82.
  • the rocker 50 therefore rotates around the axis 86 which passes through the support point 62 of the wing 60 on the stop 82.
  • This rotational movement of the rocker 50 around the axis 86 also compresses the spring 52 since the reception zone 68 is located between the vertical planes containing the axes 10 and 86.
  • the rocker 50 therefore moves towards its first leaning position against the return forces of springs 52 and 54.
  • the spring 54 when the spring 54 is broken, the restoring force which urges the rocker 50 towards its rest position is weaker than when the two springs 52 and 54 are intact. Thus, when the spring 54 is broken, the force that the user must exert to move the utensil 4 between the first and second inclined positions is weaker. The user then feels this difference in the restoring force and can initiate the appropriate maintenance operations before the spring 52 in turn breaks.
  • interface 2 in the case where it is the spring 52 which is broken is the same as that described above in the case where it is the spring 54 which is broken.
  • the utensil 104, the frame 106 and the rocker 150 are configured so that the springs 52 and 54 work in traction and not in compression.
  • spring 52 has been shown.
  • Figure 6 represents the utensil 104 in its neutral position and the rocker 150 in its rest position.
  • Figure 7 represents the utensil 104 in its second inclined position and the rocker 150 in its second inclined position.
  • the interface 100 is symmetrical with respect to the plane 28 and, in the neutral position, also symmetrical with respect to the plane 30.
  • the interface 100 is symmetrical with respect to the plane 28 and, in the neutral position, also symmetrical with respect to the plane 30.
  • the utensil 104 is, for example, identical to the utensil 4 except that the wall 26 has a recess 120.
  • the lower part of the recess 120 forms a horizontal flat 122 in the neutral position.
  • a slide 124 of the rocker 150 rests on this flat 122 in the neutral position.
  • the symmetry of the flat 122 and the slide 124 with respect to the plane 30 bear the references, respectively, 132 and 134.
  • Chassis 106 is identical to chassis 6 except that stops 82 and 84 are replaced by stops, respectively, 136 and 138 ( Figure 6 ). These stops 136, 138 are located under respective support points of the rocker 150.
  • the rocker 150 is identical to the rocker 50 except that the support point 62 is replaced by a support point 142 which is, in the rest position, pressed against the stop 136 by the return force of the spring 52. stop 136 is located under the support point 142. Similar to what was described previously, when the rocker 150 moves from its rest position towards the second leaning position, the support point 142 cooperates with the stop 136 to form an articulation which allows the rocker 150 to rotate around an axis 144 of rotation parallel to the axis 10. The orthogonal projection of the reception zone of the upper end of the spring 52 in a plane containing the axes 10 and 144, is entirely located between these two axes.
  • the point of application of the return force of spring 52 is located between these two axes and distant from axis 144 by a distance greater than 1 mm or 2 mm or 3 mm.
  • the reception zone includes a hole 110 inside which the end of a turn of the spring 52 is received.
  • FIGS. 8 and 9 are functional representations of the interface 100. They represent the interface 100 when the utensil 106 is, respectively, in its neutral position and in its first inclined position.
  • the lever 16 is omitted.
  • the lever 16 is retained and the semi-circular face 12 is omitted.
  • the utensil 4 is a lever and no longer a wheel.
  • this lever is mechanically connected to the rocker by a slide connection such as that described in the case of interface 2 or 100.
  • the utensil 4 may also include one or more push buttons each movable between an extended position and a position depressed by a finger of the user when the latter grips the utensil 4.
  • the utensil can only be moved between the neutral position and the first inclined position.
  • the position of the spring receiving zone 54 along the left part of the rocker can be arbitrary.
  • this reception zone can be located, going towards the left, on a portion of the lower face of the wing 80 which is beyond the stop 84.
  • the return mechanism then includes a pair of additional return springs, and the rocker also includes two additional wings. These additional wings each extend parallel to the Y direction and are located on either side of the additional axis. Springs additional and the additional wings are arranged as described in the case of the wings and the springs previously described.
  • the utensil can pivot about any axis of rotation that passes through the center of rotation.
  • the mechanical connection between the utensil 4 and the chassis is typically a ball joint connection.
  • the return mechanism then comprises at least two pairs of springs arranged as described in the previous paragraph.
  • the return mechanism can also include more than two pairs of return springs.
  • each pair of springs is arranged as described in chapter I in order to ensure a return of the utensil to its neutral position even in the event that one of the springs in the pair breaks.
  • the utensil can also be shaped to be moved other than by the user's hand.
  • the utensil is shaped to be moved by the user's foot.
  • the utensil can also be moved between its neutral position and an inclined position by a robot or the like.
  • the positions of the slide and the flat are inverted.
  • One of the slide and the flat is then fixed on the rocker and the other of the slide and the flat is fixed on the utensil.
  • the rocker in the return mechanism, whatever the direction in which the utensil is inclined, the utensil rotates around the same axis or the same center of rotation. This makes it easier to measure the angular position of the utensil.
  • the return springs are not directly attached to the utensil, it is possible to disassemble the utensil without removing the springs.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Control Devices (AREA)
  • Harvester Elements (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
EP21704594.7A 2020-03-27 2021-02-17 Interface homme-machine Active EP4127857B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2003046A FR3108773B1 (fr) 2020-03-27 2020-03-27 Interface homme-machine
PCT/EP2021/053901 WO2021190826A1 (fr) 2020-03-27 2021-02-17 Interface homme-machine

Publications (3)

Publication Number Publication Date
EP4127857A1 EP4127857A1 (fr) 2023-02-08
EP4127857C0 EP4127857C0 (fr) 2024-03-20
EP4127857B1 true EP4127857B1 (fr) 2024-03-20

Family

ID=70457062

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21704594.7A Active EP4127857B1 (fr) 2020-03-27 2021-02-17 Interface homme-machine

Country Status (6)

Country Link
EP (1) EP4127857B1 (pt)
CN (1) CN115668094A (pt)
BR (1) BR112022019340A2 (pt)
CA (1) CA3173627A1 (pt)
FR (1) FR3108773B1 (pt)
WO (1) WO2021190826A1 (pt)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761026A (en) * 1952-10-24 1956-08-28 Casco Products Corp Toggle switch
JPS5899734U (ja) * 1981-12-26 1983-07-07 株式会社東海理化電機製作所 スイツチ装置
DE102007052655A1 (de) * 2007-11-05 2009-05-07 Trw Automotive Electronics & Components Gmbh Schalter, insbesondere Fensterheberschalter
FR2973527B1 (fr) 2011-04-04 2013-03-29 Bosch Rexroth Dsi Sas Rappel au neutre par double ressort
FR3051953A1 (fr) * 2016-05-30 2017-12-01 Bosch Gmbh Robert Dispositif de pivot a compensation de jeu et telecommande ainsi equipee
FR3075457B1 (fr) * 2017-12-19 2019-11-15 Airbus Helicopters Mecanisme de commande electrique et aeronef

Also Published As

Publication number Publication date
CA3173627A1 (fr) 2021-09-30
EP4127857A1 (fr) 2023-02-08
CN115668094A (zh) 2023-01-31
US20230350448A1 (en) 2023-11-02
EP4127857C0 (fr) 2024-03-20
FR3108773B1 (fr) 2022-12-16
FR3108773A1 (fr) 2021-10-01
BR112022019340A2 (pt) 2022-11-29
WO2021190826A1 (fr) 2021-09-30

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