EP1617445B1 - Panneau de commande pour un appareil électrique et procédé de fabrication d'un panneau de commande - Google Patents

Panneau de commande pour un appareil électrique et procédé de fabrication d'un panneau de commande Download PDF

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Publication number
EP1617445B1
EP1617445B1 EP05014727A EP05014727A EP1617445B1 EP 1617445 B1 EP1617445 B1 EP 1617445B1 EP 05014727 A EP05014727 A EP 05014727A EP 05014727 A EP05014727 A EP 05014727A EP 1617445 B1 EP1617445 B1 EP 1617445B1
Authority
EP
European Patent Office
Prior art keywords
zones
individual
control panel
sensor film
switch
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.)
Expired - Fee Related
Application number
EP05014727A
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German (de)
English (en)
Other versions
EP1617445A1 (fr
Inventor
Edmund Illerhaus
Werner Kaps
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 EP1617445A1 publication Critical patent/EP1617445A1/fr
Application granted granted Critical
Publication of EP1617445B1 publication Critical patent/EP1617445B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00—Contacts
    • H01H2201/02—Piezo element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/026—Legends replaceable; adaptable with programming switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/012—Household appliance

Definitions

  • the invention relates to a control panel for an electrical device, in particular for a household appliance, and a method for producing such a control panel.
  • the devices are operated by a user via a control panel.
  • the control panel usually has a plurality of individual controls such as buttons or knobs. Due to the large number of variants, a separate control panel is required for each variant of a device type.
  • the panels for different variants differ here, for example, in the number of controls and / or the placement of the controls. Since a separate control panel has to be provided and stored for each variant, this leads to variant-specific high costs.
  • foil keyboards are known in which the different keys and key mechanics are covered by a film. From the EP 0 829 891 B1 For example, a method for foaming a film pressure sensor into a foam-like material is shown.
  • a pressure-sensitive sensor film for providing, for example, pressure-sensitive keys or keyboards can be seen. These films are provided by a kind of printing technology with individual piezoelectric elements, so that a plurality of pressure-sensitive pressure zones are formed on the film.
  • the EP 0 573 827 A a control panel for a household electrical appliance on which the preamble of claim 1 and of claim 9 based.
  • the shows EP 0 573 827 A a control panel with a device-independent, a switch panel forming sensor film with a plurality of individual switch zones, each of which is independently controllable, depending on the respective electrical device via an insertable, device-specific card with a coding a certain selection of the individual switch zones is activated, and an externally accessible, keypad-forming, transparent protective film through which the inserted card is associated with a plurality of individual optically-labeled touch zones respectively associated with the activated switch zones.
  • a control panel for an electric copying machine which has a device-independent sensor film with a plurality of individual switch zones for forming a switch panel and a cover sheet having a plurality of optically marked Tastzonen to form a keypad.
  • the selection of the device-specific switch zones of the sensor film is achieved by interposing an insulating film between the individual layers of the multilayer sensor film at the points of the switch zones which are not required; then the cover sheet is replaced by a suitable cover sheet with the corresponding touch zones.
  • the selection of the desired depending on the respective copy machine switch zones is realized in this case relatively complicated.
  • EP 1 276 122 A2 a remote control for controlling a device of consumer electronics, in which by means of a coding on a replaceable insert part and a code recognition device on the circuit board manufacturers the switch zones of the circuit board specific functions are assigned to the device selected by the coding.
  • the present invention has for its object to enable a high variety of variants and thus high variability in terms of the design of an electrical device by means of a simple and compact construction of the control panel and thus at the same time low costs.
  • a control panel for an electrical device in particular for a household appliance, with a device-independent, a switch panel forming sensor film with a plurality of individual switch zones, each of which is independently controllable, depending on the respective electrical device, a specific selection the individual switch zones is activated; and an externally accessible keypad having a plurality of individual optically designated touch zones associated with each of the activated switch zones.
  • the sensor film is embedded in a device-independent control panel which has a plurality of keys or touch zones, which are assigned to the individual switch zones of the sensor film, wherein a specific selection of the individual keys or touch zones is optically recognizable depending on the respective electrical device.
  • the individual optically marked touch zones are in each case arranged directly in front of the activated switch zones.
  • the touch zones themselves have in view of the switching functionality, ie the provision of electrical signals, usually not important. They serve only for optical identification of the position of the activated switch zones.
  • the number of optically marked touch zones therefore corresponds to the number of activated switch zones. Usually, only a part of the available switch zones is activated, so that the number of activated and used switch zones is less than the total number of switch zones available on the sensor foil.
  • This refinement is based on the idea of connecting and combining a variant of the functional component with a device-specific, externally accessible optical functional component (keypad), whereby only the required switch zones of the sensor foil are activated, ie only one Number of switch zones are operational in the final assembled state.
  • the keypad is designed as a control panel with a plurality of keys or key zones, the keys being associated with the individual activated switch zones.
  • the keys are in this case in particular pushbuttons which act on the switch zones, so pressurize them when actuated.
  • the control panel is, for example, the entire front panel of a household appliance. Alternatively, it is formed in a preferred variant as an insert, which is fitted into the front panel.
  • control panel is an injection molded part and the sensor film is particularly fully embedded in the control panel.
  • the sensor film is therefore inserted into a corresponding mold and surrounded with the plastic material. Only the electrical connections, that is, the cable tail provided on the sensor film, projects out of the embedding.
  • the control panel has a plurality of technical functional touch zones, depending on the equipment of the electrical device, only a specific selection of the individual functional Tastzonen as visually recognizable Tastzonen, ie as buttons formed are.
  • an initially device-independent control panel with a - Provide an initially device-independent control panel with an example, matrix-shaped arrangement of the functional Tastzonen. Only as a function of the respective variant are those touch zones optically marked, which are needed and located in front of the activated switch zones.
  • the device-independent function control panel is designed as the injection-molded part into which the sensor film is integrated. Because of the high sensitivity, in particular of the sensor film with the piezo-printing no separate sensing elements are required, which extend through openings in the control panel.
  • a print is preferably applied to the control panel or a film is pasted over, on which the individual touch zones are optically displayed.
  • the positions of the individual touch zones or keys can be variably selected over a large range, so that a very wide variety of variants can be formed in a simple manner, in particular also optically.
  • further decoupling elements for example webs, a grid structure or the like between the individual Tastzonen. arranged, via which a particular mechanical decoupling between adjacent functional Tastzonen is given.
  • This measure ensures a precisely defined response of the respective activated switch zones when the associated touch zone is actuated and prevents malfunctions. Due to the decoupling elements, therefore, a precise spatial resolution of the pressure exerted is achieved.
  • the activation of the individual switch zones takes place via an activation of the individual switch zones.
  • On the sensor film are usually integrated next to the individual switch zones for their electrical control cable paths. These are led, for example via a cable tail to an adapter or plug, which is an interface to a device control.
  • the respective switch zones which are required are then activated or "released” via a corresponding activation.
  • This control takes place either by means of a suitable software purely software technology and / or hardware technology.
  • an adapter or plug is preferably provided, via which only selected conductor tracks are connected. Some contacts of the plug remain unoccupied.
  • the entire control hardware is constructed independently of variants. Only the software used or the adapter / plug, via which the activation of the sensor film takes place, are variant-specific.
  • the sensor film is pressure-sensitive and has a plurality of individual pressure zones.
  • the actuation of a switch zone thus takes place by pressurization.
  • the film is formed with integrated conductor tracks and a piezo-printing, wherein on the piezo-printing pressure zones are defined and each individual pressure zone is formed as a piezoelectric element.
  • a piezo sensor film is for example in the EP 0 576 400 B1 described.
  • the decisive advantage of such a film is the fact that the electrical functionality, ie the individual piezoelectric elements and their connection via the integrated conductor tracks, is printed in a simple and cost-effective manner on a polyester film, for example.
  • Such a piezo sensor film can therefore be produced as a kind of "piece goods".
  • the manufacturing costs are essentially determined by the size of the sensor film and less by the number of pressure zones integrated on the sensor film. In this respect, it is also uncritical, from the cost point of view, to leave some or more of the integrated switch zones unused and not to activate them.
  • the pressure-sensitive sensor film 2 according to the Fig. 1a, 1b has a plurality of individual pressure zones 4, which are each formed by an individually controllable piezoelectric element.
  • the sensor film 2 is formed overall in the manner of a sensor field with matrix-shaped pressure zones 4.
  • the individual pressure zones 4 are in this case controllable via conductor tracks 6, which are combined in a cable tail 8.
  • the individual printed conductors 6 as well as the individual piezo elements for forming the individual printing zones 4 are applied by printing technology to a film-like carrier material, for example a polyester film.
  • the sensor film 2 has a carrier film 10, to which an electrode 12, for example a carbon layer, a piezoelectric layer 14 made of a piezoactive material and, in turn, an electrode 12 are applied in succession.
  • the electrodes 12 are used for electrical contacting of the piezo-layer 14 via the conductor tracks 6.
  • the electrodes 12 are spatially limited to the region of the print zone 4, thus determining the position of the print zone 4.
  • regions 16A, 16B with negative or positive polarization.
  • the manufacturing costs of the sensor film 2 are substantially independent of the number of individual printing zones 4. They depend only on the size of the sensor film 2 in total.
  • a control panel from which in Fig. 1 a the back is shown, the sensor film 2 in the embodiment of Fig. 1a, 1b embedded in a control panel 18 by encapsulation.
  • the control panel 18 again has - as out Fig. 1 a is to be taken - a plurality of individual functional Tastzonen 20, which are arranged here in the same matrix-like arrangement as the individual pressure zones 4.
  • the individual functional Tastzonen 20 are in the embodiment of Fig. 1 a formed by a respective central, circular area with a reduced wall thickness and a lateral boundary of lattice-like webs 22.
  • a combined component of the sensor film 2 and the control panel 18 is still formed variant independent, so it can be used for a variety of Variants of a device type can be used, for example, a washing machine or dishwasher or other household appliance of the so-called "white goods" or a device of consumer electronics.
  • the device-specific embodiment takes place on the part of the pressure zones 4 by a corresponding control or activation of the desired pressure zones 4, which are then available as activated pressure zones 4 'with their functionality (in Fig. 1b For example, two pressure zones are provided with the reference numeral 4 '.). This selection is made here by software technology, ie via the connection to a control unit, only the signals emitted by the pressure zones 4 'of interest (activated pressure zones 4') are evaluated or only these activated pressure zones 4 'are electrically connected.
  • the device-specific configuration is carried out by an optical marking of the respective functional touch zones 20, so that optically recognizable touch zones 20 'are formed. This is done, for example, by applying a foil or an imprint on the front of the control panel 18 (in Fig. 1 By way of example, two key zones are provided with the reference numeral 20 ').
  • Fig. 3a the complete embedding of the sensor film 2 in the control panel 18 can be seen. Only the cable tail 8 leaves the embedding. The sensor film 2 itself is thereby hermetically sealed. Alternatively, the sensor film 2 is only partially embedded, ie the sensor film 2 is only partially covered by the plastic material and a portion of the back of the sensor film 2, for example, remains free.
  • the sensor film 2 has a plurality of printing zones 4 arranged in the manner of a matrix, of which only a part is activated via the control. These form the activated pressure zones 4 ', which are shown hatched.

Claims (9)

  1. Panneau de commande pour un appareil électrique, en particulier pour un appareil électroménager, qui présente :
    une feuille de détection (2) indépendante de l'appareil et formant un panneau de commutation qui présente plusieurs zones différentes de commutation (4, 4') qui peuvent être toutes commandées séparément les unes des autres,
    la feuille de détection (2) étant incorporée dans un écran de commande (18) indépendant de l'appareil qui présente plusieurs touches ou zones de touches (20, 20') associées aux différentes zones de commutation (4, 4') de la feuille de détection (2),
    caractérisé en ce
    qu'une sélection (4') définie des différentes zones de commutation (4, 4') est activée en fonction de l'appareil électrique concerné, et en ce
    qu'un panneau de touches accessible de l'extérieur et présentant plusieurs zones de touches (20') différentes et caractérisées visuellement est prévu, les zones de touches étant associées aux zones de commutation (4') activées respectives,
    une sélection (20') définie des différentes touches ou zones de touches (20, 20') en fonction de l'appareil électrique concerné étant configurée de manière à être visuellement reconnaissable.
  2. Panneau de commande selon la revendication 1, dans lequel l'écran de commande (18) est une pièce moulée par injection.
  3. Panneau de commande selon les revendications 1 ou 2, dans lequel la feuille de détection (2) est incorporée entièrement dans l'écran de commande (18).
  4. Panneau de commande selon l'une des revendications précédentes, dans lequel une inscription est imprimée ou une feuille est collée sur l'écran de commande pour former les zones de touches (20') visuellement reconnaissables.
  5. Panneau de commande selon l'une des revendications précédentes, dans lequel des éléments de découplage (22) par lesquels un découplage de poussée est réalisé entre des zones de touches (20, 20') voisines sont disposés entre les différentes zones de touches (20, 20').
  6. Panneau de commande selon l'une des revendications précédentes, dans lequel la sélection des zones de commutation (4') activées s'effectue par une commande des différentes zones de commutation (4).
  7. Panneau de commande selon l'une des revendications précédentes, dans lequel la feuille de détection (2) est sensible à la pression et présente plusieurs zones de poussée (4) différentes.
  8. Panneau de commande selon la revendication 7, dans lequel la feuille de détection (2) est une feuille à laquelle sont intégrées des pistes conductrices (6) et qui présente une piézo-impression par laquelle les zones de poussée (4) sont définies, chaque zone de poussée (4) individuelle étant configurée comme élément piézo-électrique.
  9. Procédé de fabrication d'un panneau de commande pour un appareil électrique, dans lequel :
    une feuille de détection (2) indépendante de l'appareil et formant un panneau de commutation qui présente plusieurs zones de commutation (4, 4') différentes qui peuvent toutes être commandées indépendamment les unes des autres est prévue,
    la feuille de détection (2) étant incorporée dans un panneau de commande (18) indépendant de l'appareil qui présente plusieurs touches ou zones de touches (20, 20') qui sont associées aux différentes zones de commutation (4, 4') de la feuille de détection (2),
    caractérisé en ce
    qu'une sélection (4') définie des différentes zones de commutation (4, 4') en fonction de l'appareil électrique concerné est activée, en ce
    qu'un panneau de touches accessible de l'extérieur et présentant plusieurs zones de touches (20') différentes caractérisées visuellement, chacune associée à une zone de commutation (4') activée, est prévu,
    et en ce
    qu'une sélection (20') des différentes touches ou zones de touches (20, 20') définie en fonction de l'appareil électrique concerné est configurée de manière à être visuellement reconnaissable.
EP05014727A 2004-07-12 2005-07-07 Panneau de commande pour un appareil électrique et procédé de fabrication d'un panneau de commande Expired - Fee Related EP1617445B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004033656 2004-07-12
DE102004043578A DE102004043578B4 (de) 2004-07-12 2004-09-09 Bedienfeld für ein elektrisches Gerät sowie Verfahren zur Herstellung eines Bedienfelds

Publications (2)

Publication Number Publication Date
EP1617445A1 EP1617445A1 (fr) 2006-01-18
EP1617445B1 true EP1617445B1 (fr) 2009-05-20

Family

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Application Number Title Priority Date Filing Date
EP05014727A Expired - Fee Related EP1617445B1 (fr) 2004-07-12 2005-07-07 Panneau de commande pour un appareil électrique et procédé de fabrication d'un panneau de commande

Country Status (4)

Country Link
US (1) US20060011612A1 (fr)
EP (1) EP1617445B1 (fr)
DE (2) DE102004043578B4 (fr)
ES (1) ES2324941T3 (fr)

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DE102007054778A1 (de) * 2007-11-16 2009-05-20 Diehl Ako Stiftung & Co. Kg Bedienvorrichtung mit wenigstens einem Druckschalter
DE102008018616A1 (de) * 2008-04-11 2009-10-15 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit einer Vielzahl von Tasten in einem Bedienfeld
DE102008062216B4 (de) * 2008-12-13 2010-09-23 Diehl Ako Stiftung & Co. Kg Bedienvorrichtung mit wenigstens einem Druckschalter
DE102012214218A1 (de) * 2012-08-09 2014-02-13 E.G.O. Elektro-Gerätebau GmbH Gehäuseteil für eine Bedieneinrichtung, Bedieneinrichtung und Elektrogerät
DE102012218647A1 (de) * 2012-10-12 2014-04-17 Schneider Electric Industries Sas Bedieneinheit
EP3282587A1 (fr) 2016-08-12 2018-02-14 Big Kaiser Präzisionswerkzeuge Ag Appareil électronique ayant un dispositif à boutons
JP2018113165A (ja) * 2017-01-12 2018-07-19 株式会社村田製作所 筐体の操作部

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Also Published As

Publication number Publication date
EP1617445A1 (fr) 2006-01-18
DE102004043578A1 (de) 2006-02-09
DE102004043578B4 (de) 2007-11-08
DE502005007305D1 (de) 2009-07-02
ES2324941T3 (es) 2009-08-20
US20060011612A1 (en) 2006-01-19

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