EP3963422A1 - Élément de commande - Google Patents

Élément de commande

Info

Publication number
EP3963422A1
EP3963422A1 EP20710094.2A EP20710094A EP3963422A1 EP 3963422 A1 EP3963422 A1 EP 3963422A1 EP 20710094 A EP20710094 A EP 20710094A EP 3963422 A1 EP3963422 A1 EP 3963422A1
Authority
EP
European Patent Office
Prior art keywords
control element
electrode
element according
driver arrangement
electrorheological
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Withdrawn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
EP20710094.2A
Other languages
German (de)
English (en)
Inventor
Erwin Biegger
Fabian Schrader
Georg TENCKHOFF
Michael Pantke
Joachim Biller
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP3963422A1 publication Critical patent/EP3963422A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/20—Driving mechanisms
    • 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
    • G05G1/02—Controlling members for hand actuation by linear movement, e.g. push buttons
    • 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
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/10—Details, e.g. of discs, knobs, wheels or handles
    • 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
    • G05G5/03—Means for enhancing the operator's awareness of arrival of the controlling member at a command or datum position; Providing feel, e.g. means for creating a counterforce
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button

Definitions

  • the invention relates to a control element, as it is preferably used in a vehicle, in particular a motor vehicle, a rail vehicle, an aircraft or egg nem watercraft.
  • the invention is based on the object of providing an operating element that allows the least possible distraction of a user.
  • an operating element comprising an electrorheological material, with at least one driver arrangement for generating a changeable electric field.
  • a change in the haptics of the operating element can be generated by a change in the electrical field. This can be brought about in particular by changing the shape of the control element and / or by changing the rigidity of the control element. In this way, communication with a user of the operating element can be achieved without the user having to look at the operating element himself and thus being distracted.
  • the electrorheological Ma material has an electrorheological elastomer.
  • the electrorheological Ma material has an electrorheological fluid.
  • the electrorheological property of the material can be used to bring about a change in properties when an electric field is applied to the electrorheological material.
  • the elastomer As far as the elastomer is electrorheological, it is an electrically polarizable elastomer. There are some elastomers that are inherently electrically polarizable, such as Polyvinyl chloride, PVC. Other elastomers, however, are hardly polarizable, such as styrene rubber materials, e.g. SEBS / SIBS / SEPS. Polarizable particles can also be dispersed in the elastomer.
  • the driver arrangement comprises a first electrode and a second electrode, between which an electric field can be applied.
  • the driver arrangement preferably has at least one flexible electrode, and the electrorheological material is at least partially arranged between the electrodes.
  • the electrode in question is preferably flexible.
  • the driver arrangement is designed to generate a vibration of the control element, in particular with different frequencies perceptible by the operator, different duration and / or in a terminating output.
  • a vibration could indicate to a user when a correct entry has been made, for example when a telephone number has been entered. Or it could be indicated to a user by different frequencies whether, for example, an input should be made to increase a specific value or to decrease a specific value. Furthermore, different frequencies can be used to give a user specific feedback or specific requirements for an input. In a corresponding manner, different durations and / or intermittent outputs of a frequency can be used in order to communicate with a user.
  • the driver arrangement is designed to allow at least part of the operating element to protrude from a surface when activated or to sink it into a surface.
  • control element when it is not needed, the control element can, for example, remain sunk in a surface and only be moved out when an input is required.
  • the operating element is preferably designed as a push button or button.
  • the operating element comprises a plurality of individual operating elements, each of which has its own driver arrangement. In this way, an entire input field can be implemented, for example for entering a telephone number.
  • the first electrode is designed to actuate an electrical switching device and is at least partially manually movable.
  • the operating element can otherwise be part of an electrical switching device, e.g. can be designed as a plunger or rotary knob for actuating a switch
  • the operating element itself can also be part of an electrical switching device, which is thus actuated directly via the first electrode.
  • the first electrode can preferably have a flexible area over which the actuation takes place.
  • the first electrode is arranged at a first end of the electrorheological elastomer and is designed to make contact with an intermediate electrode during manual activation.
  • the electrical switching device can thus be implemented between the first electrode and the intermediate electrode.
  • the driver arrangement is coupled to the first electrode and the second electrode, which is arranged at the other end of the elastomer.
  • the variable haptics are provided by means of the driver arrangement.
  • control element is designed in a particularly simple and compact manner, on the one hand to implement a switching device and, on the other hand, to provide a changeable haptic in order to be able to communicate with a user.
  • a first electrode is arranged at a first end and the second electrode is arranged at the other end of the elastomer. Both electrodes are coupled to the driver arrangement in order to provide the changeable haptics.
  • the electrical switching device has means for monitoring a change in the capacitance between the first and the second Electrode to register a movement of the first electrode. This allows the electrical switching device to be switched.
  • the operating element can be combined with an electrical switching device and galvanically isolated from the driver arrangement.
  • An operating element according to the invention can preferably be produced using 3D printing.
  • control element can be easily adapted to different applications and requirements.
  • an operating element according to the invention can preferably be used to communicate with an operator, for which purpose a change in the feel of the operating element that can be perceived by an operator is used.
  • a vibration can be used to give an operator feedback on activation of the control element or to prompt the operator to make an entry.
  • an operating element according to the invention can preferably be used in a vehicle, in particular a motor vehicle, a rail vehicle, an aircraft or a watercraft.
  • FIG. 1 shows a schematic representation of a control element according to the invention with an electrorheological elastomer
  • FIG. 2 shows a schematic representation of an operator control element according to the invention with an electrorheological fluid
  • FIG. 3 shows a schematic representation of a control element according to the invention, which consists of a plurality of individual electrorheological elements
  • Figure 4 is a partial view of an operating element according to the invention, which in a
  • FIG. 5 shows a view of the operating element according to FIG. 5 in the activated state, this partially protruding from the surface;
  • FIG. 6 shows a schematic representation of an operating element consisting of nine individual elements, each individual element additionally having a switching area
  • FIG. 7 shows an enlarged illustration of a further embodiment of a control element according to the invention, which on the one hand can be used as an electrical switching element and on the other hand has an electrorheological elastomer in order to be able to communicate with a user by changing the feel; and
  • FIG. 8 shows an enlarged illustration of a further embodiment of a control element according to the invention, which on the one hand can be used as an electrical switching element and on the other hand has an electrorheological elastomer in order to be able to communicate with a user through a changed haptic, the electrical switching element electronically evaluating the change in capacitance to trigger a switching process.
  • a schematic representation of an operating element according to the invention is designated as a whole by the number 10. It is an operating element 10 with an electrorheological elastomer 12 in the form of a block, at the two ends of which two electrical electrodes are provided, a first electrode 16 and a second electrode 18. The two electrodes 16, 18 can be connected via a driver arrangement 14 an electrical voltage can be applied.
  • a voltage source indicated only schematically by 20 is provided, as well as a switch 22.
  • the voltage source 20 is usually an electronic voltage source that emits a direct voltage or a variable direct voltage
  • the switch 22 is usually a is an electronic switch that is operated via a suitable controller.
  • polarizable particles are dispersed, which are reversibly polarized when an electric field is applied. This results in a contraction, as indicated by the two arrows 23, 24 in FIG. 1.
  • the elastomer 12 can also already be polarizable by default.
  • the electrodes 16, 18 are arranged at the ends of the elastomer 12, they should be designed to be flexible so that they can take part in a change in shape.
  • the driver arrangement 14 which includes the voltage source 20 and the switch 22, a change in length or change in cross section of the elastomer 12 can be achieved and / or a change in the rigidity. A vibration can also be achieved.
  • the electrorheological elastomer 12 can be designed not only in block form, as shown, but in almost any shape, which can easily be represented by 3D printing.
  • a hollow structure or a structured hollow structure with the same or different individual elements can be present.
  • Fig. 2 shows a second embodiment of an operating element according to the invention in a schematic representation, which is designated as a whole with 10a.
  • corresponding reference numbers are used for corresponding parts.
  • an electrorheological fluid 13 is used which is enclosed in a cavity of an elastomer 12.
  • the electrorheological (polarizable) molecules of the fluid align between the electrodes 16, 18 and thus generate an increased rigidity of the arrangement.
  • the operating element 10 or 10a according to FIG. 1 or 2 can be part of a switching element with which, for example, an electrical switch is operated.
  • the operating element 10 or 10a can thus be part of a mechanical plunger with which an electrical switch is operated.
  • the driver arrangement 14 is used to generate a variable haptic, which can be perceived by an operator, by changing the shape and / or rigidity of the elastomer 12 or the fluid 13.
  • a vibration of the elastomer 12 can be caused, with different frequencies, a different duration and / or an intermittent output being able to be used in order to exchange certain information with the operator.
  • the operating element can also consist of a plurality of individual elements, as is shown schematically in FIG.
  • the control element 10b according to FIG. 3 consists, for example, of nine individual control elements 26, 27, 28, 29, 30, 31, 32, 33, 34, which are arranged in a checkerboard manner.
  • Each individual operating element 26 to 34 has its own driver arrangement 14 and can be controlled individually (connections not shown). In this way, larger input fields can be implemented, for example like a telephone keypad.
  • a separate switching process can be implemented and communication with a user can take place in that a change in shape or a change in rigidity and thus a changed haptic is generated which is acceptable to a user.
  • FIG. 4 a further embodiment of an operating element according to the invention is shown and designated as a whole with 10d.
  • the operating element 10d is embedded in a surface 45 and is movable within it.
  • part of the operating element 10d ′ can protrude outwardly from the surface 45.
  • FIG. 6 shows a further control element, denoted overall by 10d, which consists of nine individual control elements 26 to 34 arranged in a checkerboard manner.
  • Each individual operating element 26 to 34 also has a switching area 47 which, when manually activated, triggers an electrical switching process.
  • a certain pressure point characteristic results in the non-activated state, by means of which a switching process can be triggered with manual actuation (fail-safe operation).
  • the switching characteristics can be changed and, on the other hand, communication with the user, as described above, can be achieved.
  • a further control element is shown as an example, which is designated as a whole by 10e.
  • This is an operating element in which, on the one hand, an electrical switching element 50 is implemented with two electrodes 16, 49 and which, on the other hand, is combined with an electrorheological elastomer 12 in order to generate a variable feel.
  • a first electrode 16 is provided which has a raised, outwardly protruding switching region 47. Adjacent to this is an intermediate electrode 49 which is electrically insulated from the first electrode 16 via an insulating layer 51. If the raised, outwardly protruding switching area 47 is pressed inward, this results finally, a contact with the intermediate electrode 49 below, so that an electrical switching process takes place between the first electrode 16 and the intermediate electrode 49.
  • the second electrode 18 is arranged at the other end of the electrorheological elastomer 12.
  • An electric field can be applied between the first electrode 16 and the second electrode 18 via a driver arrangement in the manner described above in order to generate a change in shape or length or a variable rigidity.
  • FIG. 8 shows a modification of the embodiment according to FIG. 7.
  • the operating element designated as a whole by 10f again has a first electrode 16 and a second electrode 18, between which an electrorheological elastomer 12 is enclosed.
  • the first electrode 16 in turn has a raised, outwardly protruding switching area 47 which can be operated manually.
  • the use of an intermediate electrode was dispensed with. Instead, the capacitance between the two electrodes 16, 17 is monitored by means of the switching device 50. If the switching area 47 is pressed in, the switching device 50 registers a change in the capacitance and thus carries out a switching process between the two connections 52, 54. Galvanic separation between the two connections 52, 54 on the one hand and the two electrodes 16, 18 on the other hand can be ensured.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • User Interface Of Digital Computer (AREA)
  • Mechanical Control Devices (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

L'invention concerne un élément de commande comprenant un matériau électro-rhéologique (12, 13) et au moins un dispositif d'attaque (14) destiné à produire un champ magnétique ou champ électrique pouvant être modifié. Une haptique variable destinée à être perçue par un utilisateur peut être produite au moyen du dispositif d'attaque (14).
EP20710094.2A 2019-04-30 2020-03-04 Élément de commande Withdrawn EP3963422A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019206229.6A DE102019206229A1 (de) 2019-04-30 2019-04-30 Bedienelement
PCT/EP2020/055716 WO2020221494A1 (fr) 2019-04-30 2020-03-04 Élément de commande

Publications (1)

Publication Number Publication Date
EP3963422A1 true EP3963422A1 (fr) 2022-03-09

Family

ID=69780172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20710094.2A Withdrawn EP3963422A1 (fr) 2019-04-30 2020-03-04 Élément de commande

Country Status (6)

Country Link
US (1) US20220223358A1 (fr)
EP (1) EP3963422A1 (fr)
JP (1) JP2022530642A (fr)
CN (1) CN113711154A (fr)
DE (1) DE102019206229A1 (fr)
WO (1) WO2020221494A1 (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8094127B2 (en) * 2003-07-31 2012-01-10 Volkswagen Ag Display device
DE102005003548A1 (de) * 2004-02-02 2006-02-09 Volkswagen Ag Bedienelement für ein Kraftfahrzeug
DE102007017305A1 (de) * 2007-04-11 2008-10-16 Genesis Adaptive Systeme Deutschland Gmbh Anordnung und Verfahren für einen stufenlosen Schalttaster für ein Gerät aller Art und Ausführung
JP2009151684A (ja) * 2007-12-21 2009-07-09 Sony Corp 触覚シート部材、入力装置及び電子機器
US9829977B2 (en) * 2008-04-02 2017-11-28 Immersion Corporation Method and apparatus for providing multi-point haptic feedback texture systems
US8253703B2 (en) * 2009-03-03 2012-08-28 Empire Technology Development Llc Elastomeric wave tactile interface
US20100236843A1 (en) * 2009-03-20 2010-09-23 Sony Ericsson Mobile Communications Ab Data input device
KR101658991B1 (ko) * 2009-06-19 2016-09-22 삼성전자주식회사 터치 패널 및 이를 구비한 전자 기기
KR101616875B1 (ko) * 2010-01-07 2016-05-02 삼성전자주식회사 터치 패널 및 이를 구비한 전자기기
DE102012014535A1 (de) * 2012-07-21 2014-01-23 Diehl Ako Stiftung & Co. Kg Drehknebel-Bedienvorrichtung
KR101627155B1 (ko) * 2015-03-08 2016-06-03 한국기술교육대학교 산학협력단 햅틱 액추에이터 구조를 갖는 햅틱 버튼
DE102015117262B4 (de) * 2015-10-09 2022-09-22 Tdk Electronics Ag Bauelement zur Erzeugung eines aktiven haptischen Feedbacks
DE102015120605A1 (de) * 2015-11-27 2017-06-01 Valeo Schalter Und Sensoren Gmbh Bedienvorrichtung für ein Kraftfahrzeug mit Antriebseinrichtung zum Ausgeben einer haptischen Rückmeldung sowie Kraftfahrzeug

Also Published As

Publication number Publication date
US20220223358A1 (en) 2022-07-14
DE102019206229A1 (de) 2020-11-05
JP2022530642A (ja) 2022-06-30
WO2020221494A1 (fr) 2020-11-05
CN113711154A (zh) 2021-11-26

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