EP4127857A1 - Interface homme-machine - Google Patents
Interface homme-machineInfo
- Publication number
- EP4127857A1 EP4127857A1 EP21704594.7A EP21704594A EP4127857A1 EP 4127857 A1 EP4127857 A1 EP 4127857A1 EP 21704594 A EP21704594 A EP 21704594A EP 4127857 A1 EP4127857 A1 EP 4127857A1
- 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.)
- Granted
Links
- 230000007935 neutral effect Effects 0.000 claims abstract description 59
- 230000006355 external stress Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000000295 complement effect Effects 0.000 claims 1
- 230000000284 resting effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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.
- Known human-machine interfaces include:
- a movable utensil by a user, in rotation, around an axis, between a neutral position and an inclined position, the neutral position being the position of the utensil in the absence of external stress on this utensil, and
- this return mechanism comprising first and second springs which permanently urge the utensil towards its neutral position.
- such a man-machine interface can be a thumbwheel button as described in application EP2509090.
- the user-movable utensil is a thumbwheel. This wheel is returned to its neutral position by two springs wound around the axis of rotation of the wheel. In this type of man-machine interface, as soon as one of the two springs breaks, the thumbwheel no longer returns to its neutral position and the man-machine interface is no longer usable.
- the invention aims to overcome this drawback by providing a more robust man-machine interface. It therefore relates to such a man-machine interface according to claim 1.
- FIG. 1 is a partial illustration, in perspective, of a man-machine interface
- FIG. 2 is a partial illustration, in perspective, of a subset of elements of the man-machine interface of FIG. 1;
- FIG. 3 is a perspective and exploded view of the various elements of the man-machine interface of Figure 1;
- Figures 4 and 5 are functional diagrams of the man-machine interface of Figure 1;
- FIGS. 6 and 7 are partial illustrations, in perspective, of another man-machine interface
- Figures 8 and 9 are functional diagrams of the man-machine interface of Figure 6.
- Figures 1 to 3 show a man-machine interface 2 comprising a utensil 4 guided in rotation within a frame 6.
- the utensil 4 is a wheel.
- Interface 2 is therefore a knob.
- the utensil 4 is only mounted in rotation about a single axis 10.
- the axis 10 is parallel to a direction X of an orthogonal reference frame XYZ.
- Axis 10 is systematically stationary relative to chassis 6.
- the X and Y directions are horizontal and the Z direction is vertical.
- 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 vertical direction Z.
- the term “line” designates that which is to the right of the plane 30 when the direction Y points to the right.
- the XYZ coordinate system is used to orient each of the figures.
- the utensil 4 is accessible from outside the frame 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 slider 12A and a second plane containing the axis 10 and the slider 12B is greater than 45 ° or 90 ° and, generally, less than 270 ° or 200 °.
- this angle is equal to 180 °.
- the notches 14 (Fig. 1) project inwardly from the face 12.
- the utensil 4 also comprises a lever 16 projecting outwardly from the face 12. In a neutral position, this lever 16 extends essentially vertically.
- the lever 16 can be grasped by the fingers of the user to move the utensil 4 in rotation about the axis 10 in a forward direction S A v and, alternately, in a rear direction S AR .
- the forward S AV and rear S AR directions are represented by arrows identified by, respectively, the symbols S AV and S AR in 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 S AV direction, from the neutral position, shown in Figure 1, to a first inclined position shown in Figure 2.
- the utensil 4 is also capable of pivoting, around axis 10 and in the S AR direction, from the neutral position, to a second inclined position.
- this second inclined position of the utensil 4 is symmetrical with the first inclined position with respect to a vertical plane 30 (FIG. 1).
- the plane 30 contains the axis 10 and extends parallel to the X and Z directions.
- the plane 30 also passes through the 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 a 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 by means of 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 inner 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 the Y and Z directions.
- the wall 26 is a half -disk whose center is located on axis 10.
- the plane 28 is a plane of symmetry for the interface 2.
- the interface 2 In the neutral position, the interface 2 is also symmetrical with respect to the plane 30.
- the elements of the interface 2 located behind plane 28 and to the right of plane 30 are described in detail. The other elements are deduced by symmetry.
- the half-shells 32 and 34 fit into one another along an embedding plane coincident here with the plane 28. When these half-shells 32, 34 are nested one in the other, they form the frame 6.
- the half-shell 32 is shaped to guide and limit the angular amplitude of the displacement of the utensil 4.
- the half-shell 32 has a circular groove 36 (Fig. 2) inside which slides a vertical edge of face 12 as 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 defines the angular amplitude of the displacement of the utensil 4.
- the half-shell 32 has a vertical outer face turned on the side opposite to the plane 28. This outer face has an outer 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.
- the 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 outer 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.
- the electronic circuits 40 and 44 are electrically connected to a connector 48 (Fig. 1) through which are delivered the angular positions of the utensil 4 measured by these electronic cards.
- the interface 2 includes a return mechanism which continuously urges the utensil 4 towards its neutral position.
- This mechanism comprises two return springs 52 and 54 (Figs. 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 are wound up. around a respective central axis. In Figure 2, the springs 52 and 54 have not been shown to improve the readability of this figure.
- the rocker 50 is movable between:
- the second leaning position is symmetrical to the first leaning position relative to the plane 30.
- the rocker 50 In the rest position, the rocker 50 maintains the utensil 4 in its neutral position. In the first tilted position (FIG. 2), the rocker 50 permanently urges the utensil 4 in the direction S A R to bring it back from its first tilted position to its neutral position. In the second tilted position, the rocker 50 permanently urges the utensil 4 in the direction S A v to bring it from the second tilted position to 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 Y direction up to at a fulcrum 62.
- the wing 60 comprises an arcuate portion which circumvents the shaft 24.
- the wing 60 comprises an upper flat 64 and a underside 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 able to fit inside the turns of the spring 52.
- each of the springs 52 and 54 is dimensioned to return, on its own, the lever 50 in its rest position and that from n ' whichever of the first and second leaning positions.
- the symmetrical wing of the wing 60 in the rest position bears the reference 80.
- the stop 82 is a projection formed in the inner 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 X so that its end is located above the point support 62.
- the length of the stop 82 in the X direction is also short enough not to hinder the movement of the utensil 4 when it moves to the second inclined position.
- the stop 82 is short enough to allow the wall 26 to pass through when the utensil 4 is moved into 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 to the stop 82 relative to the plane 30.
- the fulcrum 62 and the stop 82 are also shaped to form by form cooperation, when the utensil 4 moves to its first inclined position, a joint 85 (Fig. 2).
- the articulation 85 allows the rocker 50 to pivot about an axis 86 (Fig. 2) from its rest position to its first leaning position.
- Axis 86 is separate 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 fulcrum 62 is then located on the axis 86.
- this fulcrum 62 moves to a distant position. in which it is no longer in contact with the stop 82.
- the orthogonal projection of the reception area 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 lever 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 return force exerted by the spring 52.
- this point application is located at the intersection of the central axis of the spring 52 and the underside 66 of the wing 60.
- the shortest distance between this point of application of the return force and the axis 86 is greater than 1 mm, 2 mm or 3 mm. Usually 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 drive the rocker 50 in movement against the return forces of the resources 52 and 54. It also allows the rocker 50 to drive the utensil 4 in movement.
- the slide link is formed of a first and a second symmetrical parts of one another with respect to the plane 30 in the neutral position.
- the first part is located to the right of the plane 30.
- This first part comprises the flat 64 of the wing 60 facing upwards and the slide 12A of the semi-circular face 12. More precisely, the fulcrum 62 of the The wing 60 is located beyond the groove 36.
- the slide 12A bears 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 FIG. 2.
- the first part of the sliding link is movable, by the utensil 4, between a mounted position in which the slide 12A slides on the flat 64 and a disassembled position in which the slide 12A is remote and mechanically isolated from the flat 64.
- Figures 4 and 5 show the interface 2 when the utensil 4 is, respectively, in its neutral position and in its first reclined position.
- the different elements of the interface 2 described with reference to the previous figures are shown in wireframe form and bear the same references.
- the springs 52 and 54 maintain the support points of the wings 60 and 80 simultaneously bearing against, respectively, the stops 82 and 84 of the frame 6.
- the rocker 50 is therefore maintained in its position rest.
- 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 maintains the fulcrum 62 of the wing 60 resting on the stop 82.
- the rocker 50 therefore rotates around the axis 86 which passes through the fulcrum 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 area 68 is located between the vertical planes containing the axes 10 and 86.
- the rocker 50 therefore moves to its first leaning position against the return forces of the springs 52 and 54.
- Figures 6 and 7 show a man-machine interface 100 identical to the man-machine interface 2 except that:
- rocker 50 is replaced by a rocker 150.
- the utensil 104, the frame 106 and the rocker 150 are configured so that the springs 52 and 54 work in tension and not in compression.
- Figures 6 and 7 only the spring 52 has been shown.
- Figure 6 shows the utensil 104 in its neutral position and the rocker 150 in its rest position.
- Figure 7 shows the utensil 104 in its second tilted position and the rocker 150 in its second tilted 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 elements located in the right part of the plane 30 are described in more detail.
- 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 symmetrical parts of the flat 122 and of the slide 124 with respect to the plane 30 bear the references, respectively, 132 and 134.
- the frame 106 is identical to the frame 6 except that the 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 fulcrum 62 is replaced by a fulcrum 142 which is, in the rest position, pressed against the stop 136 by the return force of the spring 52.
- the stop 136 is located under the fulcrum 142.
- the fulcrum 142 cooperates.
- the rocker 150 to rotate about 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 situated between these two axes.
- the point of application of the return force of the spring 52 is located between these two axes and away from the axis 144 by a distance greater than 1 mm or 2 mm or 3 mm.
- the reception area has a hole 110 inside which the end of a coil of the spring 52 is received.
- Figures 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 spring 52 As in the case of the interface 2, if the spring 54 breaks, since the point of application of the return force of the spring 52 is located between the axes 10 and 144, the spring 52 is capable on its own of returning the rocker 150 to its rest position and that as well from the first as from the second leaning 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 sliding connection such as that described in the case of interface 2 or 100.
- the utensil 4 can also include one or more pushbuttons each movable between an extended position and a position pressed by a finger of the user when the latter grips the utensil 4.
- the utensil is only movable between the neutral position and the first inclined position.
- the position of the reception zone of the spring 54 along the left part of the lever can be arbitrary.
- this reception area can be located, going to the left, on a portion of the underside of the wing 80 which is located beyond the stop 84.
- the return mechanism then comprises a pair of additional return springs, and the lever also comprises 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 additional wings are arranged as described in the case of wings and springs previously described.
- the utensil can rotate about all of the axes of rotation which pass through the center of rotation.
- the mechanical connection between the utensil 4 and the frame is typically a ball joint.
- 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 that the utensil returns 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 hand of the user.
- the utensil is shaped to be moved by a user's foot.
- the utensil can also be moved between its neutral position and a tilted position by a robot or the like.
- slide link Other embodiments of the slide link are possible.
- the positions of the slide and of 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 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.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Control Devices (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Harvester Elements (AREA)
Abstract
Description
Claims
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 true EP4127857A1 (fr) | 2023-02-08 |
EP4127857C0 EP4127857C0 (fr) | 2024-03-20 |
EP4127857B1 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 (7)
Country | Link |
---|---|
US (1) | US12019463B2 (fr) |
EP (1) | EP4127857B1 (fr) |
CN (1) | CN115668094A (fr) |
BR (1) | BR112022019340A2 (fr) |
CA (1) | CA3173627A1 (fr) |
FR (1) | FR3108773B1 (fr) |
WO (1) | WO2021190826A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3108773B1 (fr) | 2020-03-27 | 2022-12-16 | Crouzet Automatismes | Interface homme-machine |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2761026A (en) * | 1952-10-24 | 1956-08-28 | Casco Products Corp | Toggle switch |
US3303311A (en) | 1964-11-17 | 1967-02-07 | Oak Electro Netics Corp | Push button rotary switch |
US3394611A (en) | 1966-04-25 | 1968-07-30 | Bell Telephone Labor Inc | Output control device with adjustable self-returning null |
GB1389409A (en) | 1971-08-06 | 1975-04-03 | Lucas Electrical Co Ltd | Switch actuating mechanism |
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 |
JP3410007B2 (ja) | 1997-11-26 | 2003-05-26 | ホシデン株式会社 | 多方向キースイッチ |
DE10117597C1 (de) | 2001-04-07 | 2002-11-28 | Itt Mfg Enterprises Inc | Wippschalter |
FR2899995B1 (fr) * | 2006-04-12 | 2008-07-04 | Bosch Rexroth D S I Soc Par Ac | Dispositif de controle rotatif pour une telecommande d'engin mobile, en particulier engin de travaux publics, engin agricole ou de manutention |
DE102006041951B4 (de) * | 2006-08-30 | 2022-05-05 | Deltatech Controls Usa, Llc | Wippschalter |
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 |
US10073489B2 (en) * | 2015-09-21 | 2018-09-11 | Deere & Company | Rolling return to neutral depressable control |
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 |
FR3088739B1 (fr) | 2018-11-15 | 2020-11-13 | Crouzet Automatismes | Joystick |
FR3108773B1 (fr) | 2020-03-27 | 2022-12-16 | Crouzet Automatismes | Interface homme-machine |
-
2020
- 2020-03-27 FR FR2003046A patent/FR3108773B1/fr active Active
-
2021
- 2021-02-17 CN CN202180038371.7A patent/CN115668094A/zh active Pending
- 2021-02-17 WO PCT/EP2021/053901 patent/WO2021190826A1/fr active Application Filing
- 2021-02-17 BR BR112022019340A patent/BR112022019340A2/pt unknown
- 2021-02-17 US US17/907,513 patent/US12019463B2/en active Active
- 2021-02-17 CA CA3173627A patent/CA3173627A1/fr active Pending
- 2021-02-17 EP EP21704594.7A patent/EP4127857B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
EP4127857C0 (fr) | 2024-03-20 |
US12019463B2 (en) | 2024-06-25 |
CA3173627A1 (fr) | 2021-09-30 |
BR112022019340A2 (pt) | 2022-11-29 |
US20230350448A1 (en) | 2023-11-02 |
FR3108773A1 (fr) | 2021-10-01 |
FR3108773B1 (fr) | 2022-12-16 |
CN115668094A (zh) | 2023-01-31 |
EP4127857B1 (fr) | 2024-03-20 |
WO2021190826A1 (fr) | 2021-09-30 |
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