EP3433931A1 - Dispositif de commande, en particulier pour un appareil ménager électronique - Google Patents

Dispositif de commande, en particulier pour un appareil ménager électronique

Info

Publication number
EP3433931A1
EP3433931A1 EP16715448.3A EP16715448A EP3433931A1 EP 3433931 A1 EP3433931 A1 EP 3433931A1 EP 16715448 A EP16715448 A EP 16715448A EP 3433931 A1 EP3433931 A1 EP 3433931A1
Authority
EP
European Patent Office
Prior art keywords
control panel
cover plate
receiver
optical sensors
panel sections
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Withdrawn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
EP16715448.3A
Other languages
German (de)
English (en)
Inventor
Andreas Maigler
Bruno Fuhge
Joachim Lyszus
Ralph Stohr
Thomas Frommelt
Matthew Schwind
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.)
Diehl AKO Stiftung and Co KG
Original Assignee
Diehl AKO Stiftung and Co KG
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 Diehl AKO Stiftung and Co KG filed Critical Diehl AKO Stiftung and Co KG
Publication of EP3433931A1 publication Critical patent/EP3433931A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/968—Switches controlled by moving an element forming part of the switch using opto-electronic devices
    • H03K17/969—Switches controlled by moving an element forming part of the switch using opto-electronic devices having a plurality of control members, e.g. keyboard
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/9627—Optical touch switches
    • H03K17/9631—Optical touch switches using a light source as part of the switch
    • H03K17/9636—Optical touch switches using a light source as part of the switch using a pulsed light source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/96066—Thumbwheel, potentiometer, scrollbar or slider simulation by touch switch

Definitions

  • the present invention relates to an operating device, in particular an operating device for an electronic household appliance.
  • Operating devices with touch-sensitive and / or proximity-sensitive operating elements generally have a rigid cover plate, which defines a control panel and which is at least partially permeable in this control panel for infrared or visible radiation.
  • An optical sensor includes at least one transmitter for emitting electromagnetic radiation and at least one receiver for detecting the electromagnetic radiation emitted by the transmitter, passed through the control panel and reflected by a control element such as a user's finger placed on the user side of the cover plate.
  • Touch-sensitive and / or proximity-sensitive type operating devices configured as sliders or sliders conventionally have a cover plate with a user-facing user side, the cover plate having a control panel with a plurality of control panel sections arranged along a control line.
  • a plurality of optical sensors are arranged on a rear side of the cover plate remote from a user, wherein each of the plurality of control panel sections is assigned at least one transmitter of the plurality of optical sensors and at least one receiver of the plurality of optical sensors.
  • Control electronics evaluate the measurement signals generated by the at least one receiver of the plurality of optical sensors.
  • these conventional optical sliders only work with optically transparent cover plates.
  • an operating device with one or more, actuated by force individual pushbuttons whose operation can be detected by means of optical sensors.
  • This known operating device can also be used in optically impermeable cover plates despite their optical operation.
  • the invention has for its object to provide an improved operating device in the manner of a slider, in which also cover plates can be used, which have little or no permeability to the radiation emitted by the optical sensors radiation.
  • the operating device of the invention comprises: a cover plate having a user-facing user side, the cover plate having a control panel with a plurality of control panel sections arranged along a control line; a plurality of optical sensors, wherein each of the plurality of panel sections is associated with at least one transmitter of the plurality of optical sensors for emitting electromagnetic radiation and at least one receiver of the plurality of optical sensors for detecting electromagnetic radiation; and control electronics for evaluating measurement signals generated by the at least one receiver of the plurality of optical sensors.
  • the plurality of control panel sections of the control panel of the cover plate are each configured such that they are at least partially elastically deformable and / or movable by a pressure force from the user side of the cover plate; the plurality of control panel sections of the control panel of the cover plate are each configured such that they at least partially reflect a radiation emitted by the associated transmitter; at least one receiver is arranged and / or configured such that it enables spatially resolved detection of the radiation reflected by the control panel section, to which the at least one receiver is assigned; and the control electronics detects, as a function of a detection location of the reflected radiation at the at least one receiver, an actuation of the control panel section to which the at least one receiver is assigned.
  • the operating device represents a slide controller with optical detection of its operation, wherein this optical detection can be reliably implemented independently of the light transmission of the cover plate.
  • inventive Operating device can also be used in particular metal cover plates.
  • each of the plurality of optical sensors includes a transmitter and a receiver, and each of these multiple optical sensors is associated with a panel section.
  • each of the plurality of optical sensors has a transmitter associated with a panel section, and a receiver is provided in common for a plurality of optical sensors;
  • each of the plurality of optical sensors has a receiver associated with a panel section, and a transmitter is provided in common to a plurality of optical sensors.
  • control panel sections In the operating device according to the invention, minimal deformations or movement strokes of the control panel sections are sufficient in order to be able to detect an actuation by the user, since very different deflections of the electromagnetic radiation are already effected at very small changes in the reflection location on the control panel section.
  • the operation of the control panel sections can therefore be detected very reliably by the control electronics.
  • the tolerances in the production and assembly of the components can be greater in comparison with conventional push-pull actuatable pushbuttons with capacitive, inductive or piezoelectric function. This is achieved by the very different detection location at the receivers already effected with minimal changes in the reflection location on the control panel section. This too can reduce the susceptibility to errors and thus increase the reliability of the operating device. Since it is sufficient for detecting an actuation of the control panel sections to detect a relative change in the detection location of the reflected radiation at the respective receiver (in contrast to detecting an absolute value), a calibration process can also be dispensed with in the control device according to the invention.
  • the cover plate can be made in this context of any material, with any dimensions and with any design.
  • the cover plate is preferably a control panel, for example, an electronic household appliance.
  • the control panel sections are preferably formed integrally with the cover plate, used as separate components in the cover plate or connected as separate components with the cover plate.
  • the control panel with the plurality of panel sections defines for the user the slider of the control device on which he / she can move an operating element, such as a finger, under pressure to operate.
  • the control panel is preferably identified for the user, preferably by a special shaping of his user side (haptic identification), an identification with colors and / or symbols, backlighting, a recognizable demarcation to the rest of the cover plate and the like.
  • the control panel sections are each at least partially elastically deformable and / or movable by a force from the user side of the cover plate forth.
  • the elastic deformability is preferably achieved by a special material selection and / or a special dimensioning of the control panel sections.
  • the elastic mobility can preferably be realized by a spring-mounted mounting of the control panel sections in openings in the cover plate.
  • the electromagnetic radiation emitted and detected by the optical sensors is preferably optical radiation, preferably in the visible or infrared wavelength range.
  • the at least one receiver is tuned with respect to the electromagnetic radiation detectable by it to the electromagnetic radiation emitted by the at least one transmitter, preferably the respective wavelength ranges substantially coincide or have a significant overlap region.
  • the transmitters of the optical sensors are preferably light-emitting diodes (LEDs), laser diodes, incandescent lamps, halogen lamps or the like.
  • the transmitters can also be realized by ambient light, which is represented by a corresponding
  • the opening in the device housing or in the cover plate can reach the rear side of the control panel sections.
  • the receivers of the optical sensors allow a spatially resolved detection of the reflected radiation.
  • the receivers are each exactly one receiver element with a spatially resolving mode of operation or in each case formed by a plurality of receiver elements, which are arranged substantially next to each other.
  • the receiver elements are preferably selected from CCD chips, active pixel sensors, photodiodes, phototransistors, ambient light sensors, and the like.
  • the control panel sections of the control panel are each designed so that they can at least partially reflect the radiation emitted by the respective transmitter.
  • This reflective property of the control panel sections is preferably achieved by a special material selection of the control panel sections, by a special surface structure of the back of the control panel sections, by a special surface treatment (preferably coating, etc.) of the back of the control panel sections or the like.
  • the operating device may have, in addition to the operable by a force and visually evaluable control panel, for example, further panels with other functions.
  • individual keys, other pushbuttons and touch-sensitive and / or proximity-sensitive keys can also be used.
  • the optical sensors are preferably mounted on a carrier plate.
  • This carrier plate is preferably arranged substantially parallel to the cover plate and formed, for example, as a printed circuit board.
  • the control panel or the control panel sections of the control panel for the radiation emitted by the at least one transmitter of the plurality of optical sensors is substantially impermeable.
  • the control panel and preferably also the cover plate are made of metal.
  • a support is provided on the rear side of the cover plate facing away from the user between the several control panel sections of the control panel, which prevent elastic deformation or movement of the cover plate between the plurality of control panel sections by a pressure force from the user side of the cover plate ,
  • the individual control panel sections of the control panel can be separated from each other, so that only exactly one control panel section elastically deformed or moved and accordingly also the operation of only one panel section is detected. This allows a reliable evaluation of the operation of the shift controller by the control electronics.
  • these posts provide the user with tactile feedback when switching from one panel section to the next panel section as it passes over the slider.
  • the supports are preferably mounted on the carrier plate, which also carries the optical sensors.
  • the plurality of supports are preferably substantially impermeable to the radiation emitted by the at least one transmitter of the plurality of optical sensors.
  • the supports serve simultaneously as a sensor frame and prevent crosstalk between adjacent optical sensors.
  • a frame is provided on the rear side facing away from the user of the cover plate outside the control panel, which prevents elastic deformation or movement of the cover plate outside the control panel by a pressure force from the user side of the cover. With the help of this frame, the control panel can be separated from the rest of the cover plate, so that only one control panel portion of the control panel is elastically deformed or moved. This allows a reliable evaluation of the operation of the slider by the control electronics.
  • the frame is preferably mounted on the carrier plate, which also carries the optical sensors.
  • the frame is preferably substantially impermeable to the radiation emitted by the at least one transmitter of the plurality of optical sensors.
  • the frame may thus prevent, for example, crosstalk with optical sensors of adjacent further keys or the like.
  • a plurality of control panel sections are each assigned a receiver, and the receivers of these multiple control panel sections are operated in a clocked manner by the control electronics. This refinement is particularly advantageous when multiple control panel sections are assigned a common transmitter. In this way, if necessary, operations of different control panel sections can be differentiated from each other despite shared transmitters.
  • a plurality of control panel sections are each assigned a transmitter, and the transmitters of these multiple control panel sections are operated in a clocked manner by the control electronics.
  • This embodiment is particularly advantageous when a plurality of panel sections a common receiver is assigned. In this way, if necessary, actuations of different panel sections can be differentiated from one another despite shared receivers.
  • the invention also relates to an electronic household appliance with at least one operating device of the invention described above.
  • the electronic household appliance is preferably a laundry treatment device (washing machine, tumble dryer, etc.), a dishwasher, a refrigerator and / or freezer (refrigerator, freezer, etc.), a hob, a stove, a microwave oven, a fume hood or the like.
  • a laundry treatment device washing machine, tumble dryer, etc.
  • a dishwasher a refrigerator and / or freezer (refrigerator, freezer, etc.)
  • a hob a stove, a microwave oven, a fume hood or the like.
  • FIG. 1 shows a schematic cross-sectional view of an embodiment of an operating device of the invention.
  • the operating device has a cover plate 10, for example in the form of a control panel, for example, an electronic home appliance.
  • This cover plate 10 has a user facing user side 10a (top in Fig. 1), which corresponds to the outside of the control panel or the device, and a user facing away back 10b (bottom in Fig. 1), which the inside of the control panel or the device corresponds.
  • the cover plate 10 is made of plastic or metal, for example.
  • This cover plate 10 has a control panel 12, which defines for the user a sliding greed that the user can operate.
  • the control panel 12 includes a plurality of panel sections 12a to 12f arranged along a service line (e.g., straight, arcuate, circular, etc.).
  • the control panel sections 12a..f are integrated in the cover plate 10 or integrally formed therewith or inserted as a separate components in this and optionally connected to this.
  • the control panel sections 12a... F are each configured elastically deformable by a compressive force 28 from the user side 10a, for example with a finger 24 of the user. That After termination of the force 28, the control panel sections 12a..f return to their initial states, which are shown in the area of the other control panel sections 12b..f of FIG.
  • the control panel 12 is preferably labeled for the user to help him locate and identify his functionality.
  • the control panel 12 or its outer side 10 a itself may be marked or the cover plate 10 may be marked in the vicinity of the control panel 12.
  • the marking takes place, for example, optically by colors and / or symbols, haptically by surface structures, electrically by a backlighting or signal lamps, or the like.
  • the individual control panel sections 12a..f of the control panel can also be identified differently in order to clarify the functionality of the slider to the user.
  • a support plate 14 in the form of a printed circuit board is arranged substantially parallel to and at a distance therefrom.
  • an electronic control unit 30 may be provided, which is connected to a controller of the household appliance.
  • the control electronics 30 can optionally also be positioned separately from the carrier plate 14.
  • the individual control panel sections 12a..f of the control panel 12 are separated from one another by a plurality of supports 22 in the form of support webs on the rear side of the cover panel 10. parried. These supports 22 in each case prevent elastic deformation of the cover plate 10 in the area between the control panel sections 12a. F.
  • the control panel 12 on the rear side 10b of the cover plate 10 is surrounded by a frame 20, which prevents an elastic deformation of the cover plate 10 outside the control panel 12.
  • the frame 20 and the supports 22 are preferably opaque, so that they form a sensor frame for the optical sensors described below, which can also prevent crosstalk between adjacent sensors and with other optical buttons of the operating device.
  • the frame 20 and the supports 22 are fixed, for example, on the support plate 14.
  • the operating device of this embodiment has for each control panel section 12a..f an optical sensor with a transmitter 16a..f, for example in the form of an LED and a receiver 18a..f, for example in the form of a CCD chip.
  • the transmitters 16a..f emit electromagnetic radiation, preferably light in the visible or infrared wavelength range, and the receivers 18a..f can detect electromagnetic radiation of the same wavelength range.
  • the receivers 18a..f are each designed such that they detect radiation in a spatially resolved manner. This means that a single receiver element has such capability (e.g., CCD chip, sensor array, etc.) or multiple receiver elements (e.g., photodiodes, phototransistors, etc.) are juxtaposed and evaluated together.
  • Transmitter and receiver are arranged, for example, along the operating line of the control panel sections 12a..f one behind the other, as shown in FIG. Alternatively, transmitter and receiver may also be arranged side by side with respect to the operating line or offset from each
  • the optical sensors are each positioned between the supports 22.
  • the transmitters 16a..f and the receivers 18a..f are connected to the control electronics 30.
  • the control electronics 30 has, for example, a microcontroller or is formed from such.
  • the electronic control unit 30 controls the transmitters 16a..f, ie in the simplest case it only switches them on and off or operates them clocked, for example.
  • the control electronics 30 evaluates the measurement signals generated by the receivers 18a..f in order to be able to detect actuation of the control panel sections 12a..f by a user. In this case, the control electronics 30 and a temporal sequence of actuation evaluate the various panel sections 12a..f at a movement 26 of the finger 24.
  • the optical sensors work in particular as follows.
  • the radiation emitted by a transmitter 16a..f strikes a control panel section 12a..f or its rear side and is reflected there.
  • the radiation reflected at the control panel section 12a..f then impinges on the associated receiver 18a..f and is detected by the latter, which generates corresponding measurement signals which are evaluated by the control electronics 30.
  • the control panel sections 12b..f of Fig. 1 i. without actuation of the respective control panel section 12a..f by the user
  • the control panel section 12a..f In its undeformed initial state and reflects the radiation to the receiver 18a. f.
  • the operating state see control panel section 12a of Fig. 1), i.
  • the operating section 12a..f is deformed and reflects the radiation to the receiver 18a .. f.
  • the spatially resolving receiver 18a..f so that the control electronics 30 can detect an actuation of the respective control panel section 12a..f.
  • the acquisition of only the relative change also reduces the requirements on the dimensional and position accuracies of the individual components or increases the permitted tolerance ranges in the production and in the assembly of these components.
  • the actuation of the slide control by the user thus requires not only a movement 26 along the operating line predetermined by the control panel 12 but also a pressure actuation 28 on the cover plate 10, so that individual control panel sections 12a..f of the control panel are actuated one after the other.
  • a pressure actuation 28 on the cover plate 10 so that individual control panel sections 12a..f of the control panel are actuated one after the other.
  • optionally absolute inputs of the user at certain control panel sections 12a..f and / or relative inputs of the user over a plurality of control panel sections 12a..f can be detected.
  • the operation of the optical sensors of this slider basically corresponds to that of the operating device described in DE 10 2014 007 036 A1. With regard to the mode of operation and variants of the embodiment is therefore full content to this document reference. With the operating device described above with reference to FIG. 1, the concept known from DE 10 2014 007 036 A1 of a pushbutton actuatable by the action of force is expanded to a slide control.
  • cover plate e.g. control panel
  • control element e.g. finger

Landscapes

  • Switches Operated By Changes In Physical Conditions (AREA)
  • Push-Button Switches (AREA)

Abstract

L'invention concerne un dispositif de commande configuré en tant que commande coulissante. Le dispositif de commande comprend : une plaque de recouvrement (10) avec une face utilisateur (10a) tournée vers l'utilisateur, la plaque de recouvrement (10) comprenant une zone de commande (12) ayant plusieurs secteurs de zone de commande (12a..f) disposés le long d'une ligne de commande ; plusieurs capteurs optiques, au moins un émetteur (16a.,f) des nombreux capteurs optiques, servant à émettre un rayonnement électromagnétique, et au moins un récepteur (18a..f) des nombreux capteurs optiques, servant à détecter un rayonnement électromagnétique, étant associés à chacun des nombreux secteurs de zone de commande (12a..f) ; et une électronique de commande (30) servant à évaluer des signaux de mesure générés par le ou les récepteurs (18a..f) des nombreux capteurs optiques. Selon l'invention, chaque secteur (12a..f) de la zone de commande (12) de la plaque de recouvrement (10) est configuré de telle manière qu'il peut être au moins en partie élastiquement déformé et/ou déplacé par une force de pression (28) de la face utilisateur (10a) de la plaque de recouvrement (10) et qu'il réfléchit au moins en partie un rayonnement émis par l'émetteur (16a..f) qui lui est associé. Le ou les récepteurs (18a..f) sont disposés et/ou configurés de telle manière qu'ils permettent une détection, déclenchée sur place, du rayonnement réfléchi par le secteur de zone de commande (12a..f), auquel sont associés le ou les récepteurs. L'électronique de commande (30) détecte un actionnement du secteur de zone de commande (12a..f), auquel sont associés le ou les récepteurs, en fonction d'un point de détection du rayonnement réfléchi sur ledit récepteur (18a…f).
EP16715448.3A 2016-03-21 2016-03-21 Dispositif de commande, en particulier pour un appareil ménager électronique Withdrawn EP3433931A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2016/000491 WO2017162255A1 (fr) 2016-03-21 2016-03-21 Dispositif de commande, en particulier pour un appareil ménager électronique

Publications (1)

Publication Number Publication Date
EP3433931A1 true EP3433931A1 (fr) 2019-01-30

Family

ID=55701914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16715448.3A Withdrawn EP3433931A1 (fr) 2016-03-21 2016-03-21 Dispositif de commande, en particulier pour un appareil ménager électronique

Country Status (3)

Country Link
EP (1) EP3433931A1 (fr)
CN (1) CN109075785B (fr)
WO (1) WO2017162255A1 (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0558871A1 (fr) * 1992-03-03 1993-09-08 Elma Electronic Ag Touche à structure feuilletée
DE19721105C5 (de) * 1997-05-20 2008-07-10 Sick Ag Opto-eletronischer Sensor
EP1421632B2 (fr) * 2001-07-03 2015-01-07 Face International Corporation Système de déclenchement de commutation auto-alimenté
US6835923B2 (en) * 2001-11-16 2004-12-28 Nokia Corporation Method and apparatus for self-monitoring of proximity sensors
DE102005025782B4 (de) * 2005-06-04 2007-02-22 Diehl Ako Stiftung & Co. Kg Berührungsempfindlicher Tastschalter
DE102006004979B4 (de) * 2006-02-01 2012-05-10 Diehl Ako Stiftung & Co. Kg Berührungsempfindlicher Tastschalter
DE102007028898A1 (de) * 2007-06-22 2008-12-24 Huf Hülsbeck & Fürst Gmbh & Co. Kg Vorrichtung zum Auslösen von Funktionen in einem Fahrzeug
EP2264898B1 (fr) * 2009-06-17 2013-05-22 OSRAM Opto Semiconductors GmbH Capteur de proximité optique
KR101735715B1 (ko) * 2010-11-23 2017-05-15 삼성전자주식회사 입력 감지 소자 및 이를 구비한 터치 패널
US9983757B2 (en) * 2012-01-20 2018-05-29 Microchip Technology Incorporated Inductive touch sensor using a flexible coil
CN104076937B (zh) * 2013-03-27 2017-10-13 黑莓有限公司 具有光学传感器的键区
DE102014007036B4 (de) * 2014-05-13 2017-07-27 Diehl Ako Stiftung & Co. Kg Bedienvorrichtung, insbesondere für ein elektronisches Haushaltsgerät
CN104767513B (zh) * 2015-04-24 2018-06-05 努比亚技术有限公司 多功能按键及移动终端

Also Published As

Publication number Publication date
CN109075785B (zh) 2022-04-15
WO2017162255A1 (fr) 2017-09-28
CN109075785A (zh) 2018-12-21

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