EP2203685B1 - Dispositif de commande d'équipement ménager et procédé pour faire fonctionner un dispositif indicateur - Google Patents

Dispositif de commande d'équipement ménager et procédé pour faire fonctionner un dispositif indicateur Download PDF

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Publication number
EP2203685B1
EP2203685B1 EP08803218.0A EP08803218A EP2203685B1 EP 2203685 B1 EP2203685 B1 EP 2203685B1 EP 08803218 A EP08803218 A EP 08803218A EP 2203685 B1 EP2203685 B1 EP 2203685B1
Authority
EP
European Patent Office
Prior art keywords
domestic appliance
display unit
operator control
control knob
cover plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP08803218.0A
Other languages
German (de)
English (en)
Other versions
EP2203685A2 (fr
Inventor
Christian Karamatic
Andreas Mayle
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2203685A2 publication Critical patent/EP2203685A2/fr
Application granted granted Critical
Publication of EP2203685B1 publication Critical patent/EP2203685B1/fr
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination

Definitions

  • the invention relates to a domestic appliance operating device according to the preamble of claim 1 and to a method for operating a display unit of a domestic appliance operating device according to the preamble of claim 11.
  • Various domestic appliance operating devices are known from the prior art, which comprise a cover plate and control knob arranged above or in front of the cover plate for actuating a domestic appliance.
  • the control knob are often rotatably connected to a switching shaft which produces a mechanical connection between the control knob and a arranged below or behind the cover plate switching mechanism. By turning the control knob of the switching mechanism can be brought into various positions that correspond to different operating conditions of the domestic appliance to be operated.
  • Generic home appliance operating devices are particularly common in cooking appliances, such as cooktops or stoves, but are also found in refrigerators, dishwashers or the like.
  • the DE 20 2005 019 978 U1 discloses an operating device for an electrical appliance with an operating unit, which comprises a rotary or slide controller, wherein the operating unit is mounted on a panel or bearing surface of the electrical appliance.
  • a further switching means is provided on the rotary or slider with a signal transmission of a switching operation to a arranged under the support surface control unit.
  • the knob can be illuminated with an inductive power supply.
  • display units e.g. Light-emitting diodes to integrate in a control knob and to supply over running in the switching shaft power supply lines with electricity.
  • control knob rotary selector switches are known whose switching position is detected, for example, inductively.
  • Such home appliance operating devices avoid a switching shaft penetrating the glass ceramic cooking surface, so that holes and resulting instabilities of the glass ceramic cooking surface can be avoided.
  • a home appliance operating device is for example in the DE 102 12 954 A1 discloses, wherein the domestic appliance operating device shown there additionally comprises means for inductively transmitting energy to the control knob to actuate arranged in the control knob lighting elements.
  • the invention is based on the object of providing a domestic appliance operating device with a control knob connected to a switching mechanism via a selector shaft and comprising at least one display unit, which has advantageous cleaning properties and avoids corrosion-prone contacts.
  • the invention is based, in particular, on a domestic appliance operating device with a switching shaft penetrating a cover plate for actuating a switching mechanism arranged below or behind the cover plate and an operating knob plugged onto the switching shaft and comprising at least one display unit.
  • the domestic appliance operating device It is proposed to equip the domestic appliance operating device with an induction coil arrangement for inductively transmitting energy for operating the display unit, wherein the induction coil arrangement transmits the energy from a space below or behind the cover plate to the control knob.
  • the induction coil arrangement transmits the energy from a space below or behind the cover plate to the control knob.
  • the display unit may comprise at least one light-emitting diode. Due to the low energy consumption of light-emitting diodes, the inductive energy transmission is then also particularly unproblematic.
  • the light emitting diode is an organic light emitting diode or a polymer light emitting diode.
  • the display unit is designed to accept at least two different activation states in addition to an inactive state, depending on signals transmitted via the induction coil arrangement.
  • the various activation states may visualize, for example, a residual heat indicator, a gas valve turned on or off, the expiration of a timer for measuring a cooking time, or other features appearing useful in connection with the particular home appliances comprising home appliances and controls.
  • a particularly complex display with a high information content can be realized by the display unit.
  • the display unit can be designed, for example, as a seven-segment display, as a liquid crystal display or as comparable displays.
  • a detector arrangement for detecting the plugged-control knob By a detector arrangement for detecting the plugged-control knob, the presence of the control knob can be taken into account in the control of the domestic appliance. For example, the home appliance operator may initiate an emergency shutdown when the control knob is removed.
  • a structure can serve, for example, in the context of hobs as a child safety.
  • the control knob can either be plugged onto the selector shaft in the sense that it can simply be removed from the selector shaft for cleaning or to trigger a child safety lock or plugged onto the selector shaft, in particular without tools having to be used, or it can be used during assembly be plugged onto the stem, where it may be potted or glued in the latter case with the shift shaft.
  • a complete galvanic isolation of the display unit and the associated electronic elements can be realized when the display unit is cast in a particular transparent plastic material of the control knob.
  • the operation of the domestic appliance can be ensured despite a plugged onto the selector shaft at a wrong angle control knob and an operation with an infinitely rotatable control knob can be realized when the home appliance control device comprises means for inductively detecting a rotational position of the control knob.
  • control knob and an arranged below or behind the cover plate part of the induction coil assembly are galvanically insulated, corrosion-prone electrical contacts can be completely avoided. More complex information can be displayed on the display unit if the induction coil arrangement is designed to transmit at least one piece of information to the display unit.
  • a complex mapping of an operating state of a domestic appliance comprising the domestic appliance operating device can be realized if the domestic appliance operating device comprises a control unit for actuating the display unit via the induction coil arrangement.
  • the control unit can flexibly determine the state of the display unit depending on the operating state.
  • Another aspect of the invention relates to a method of operating a display unit of a home appliance operating device having a cover plate penetrating Switching shaft for actuating a arranged below or behind the cover plate switching mechanism and a plugged onto the switching shaft control knob comprising at least one display unit.
  • Fig. 1 shows a gas stove with a home appliance operating device comprising a plurality of, each a cover plate 10 of the home appliance control device penetrating switching shafts 12.
  • the gas stove has in the in Fig. 1 illustrated embodiment, four flames 14, wherein each flame 14 is associated with a plugged onto a switching shaft 12 control knob 16 through which in a known manner a arranged under the cover plate 10 gas cock can be opened or closed.
  • the switching shaft 12 penetrates the cover plate 10 through a circular opening and is in mechanical connection with the switching mechanism 18 formed as a gas cock in this embodiment.
  • Fig. 2 12 shows the switching shaft 12, the switching mechanism 18, and an induction coil assembly 20 for inductively transmitting energy to operate a display unit 22 integrated with the control knob 16, in more detail.
  • the induction coil assembly 20 is for inductive transfer of energy from a space under the cover plate 10 on the control knob 16th
  • the switching shaft 12 is constructed telescopically from two coaxial parts movable against each other, which are not explicitly shown here.
  • a relative to the switching mechanism 18 movable part is loaded by a spring 24 which pushes the shift shaft 12 upwards in the direction of its equipped with the control knob 16 end.
  • the gas tap cooperates with a bimetal switch of the switching mechanism 18, which realizes a flame monitoring in a known manner.
  • control knob 16 To ignite a gas flame, the control knob 16 must be pressed against the restoring force of the spring 24 axially downwards and rotated.
  • the display unit 22 comprises an example designed as an organic light emitting diode or a polymer light emitting diode 26, which serves to display a residual heat.
  • the display unit 22 may be configured to accept two different activation states in addition to an inactive state depending on signals transmitted via the induction coil assembly 20.
  • the display unit 22 include different colored light-emitting diodes 26, wherein a first color depending on a detected, for example via a temperature sensor residual heat and can be switched off and a second, differently colored light-emitting diode 26, for example, can serve to indicate a state of gas supply and, for example, always can light up when the gas tap is open.
  • the display unit can also display more complex information, for example about certain cooking programs, a previous duration of a cooking process or the like.
  • the induction coil arrangement 20 comprises a first induction coil 28 arranged below the cover plate 10, which is supplied with alternating current via a transformer 32 which is controllable by a control unit 34 shown only diagrammatically, and a second, at a bottom side of the switching shaft 12 fitted control knob 16 arranged induction coil 30, which is integrated in a display unit 22 comprehensive circuit.
  • control unit 34 can infer the presence or absence of the control knob 16 with the integrated inductive load, so that the induction coil assembly 20 is simultaneously usable as a detector arrangement for detecting the plugged control knob 16 ,
  • the display unit 22 and arranged in the control knob 16 induction coil 30 and all connecting lines between the display unit 22 and the induction coil 30 are cast in a particularly advantageous embodiment of the invention in a transparent plastic material of the control knob 16.
  • the cast in the control knob 16 induction coil 30 is arranged coaxially with the switching shaft 12, the latter penetrates.
  • the energy transfer between the lower induction coil 28 and the induction coil 30 cast in the control knob 16 is therefore independent of a rotational position of the control knob 16 or of the control shaft 12 and is thus ensured in each operating state.
  • the control knob 16 is completely galvanically isolated from an under or behind the cover plate 10 arranged part of the induction coil assembly 20 and effectively protected against any corrosion.
  • the home appliance operator may include means for inductively detecting a rotational position of the control knob 16, and the induction coil assembly 20 may be configured to transmit more complex information to the display unit 22, such as by the induction coil assembly 20 in the control knob 16 arranged receiver chip for processing a data stream transmitted via the induction coil assembly 20.
  • the home appliance operating device implements a method for operating a display unit 22 of a domestic appliance operating device with a switching shaft 12 penetrating the cover plate 10 for actuating a switching mechanism 18 arranged below or behind the cover plate 10 and a control knob 16 plugged onto the switching shaft 12, which at least one Display unit 22 includes.
  • the energy for operating the display unit 22 is inductively transmitted via the induction coil arrangement 20 by means of the induction coils 28, 30 from below the cover plate 10 to the control knob 16.
  • the domestic appliance operating device according to the invention and the method according to the invention for operating a display unit 22 can be usefully used not only in connection with gas stoves but also in connection with further domestic appliances comprising a control knob 16 with a switching shaft 12.
  • a control knob 16 with a switching shaft 12 For example, use in electric stoves, dishwashers or the like is readily conceivable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Switches With Compound Operations (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Electric Ovens (AREA)

Claims (11)

  1. Dispositif de commande d'appareil ménager, avec :
    un arbre de commutation (12) traversant une plaque de couverture (10) en vue d'un actionnement d'un mécanisme de commutation (18) agencé sous ou derrière la plaque de couverture (10) ;
    une manette de commande (16) enfichée sur l'arbre de commutation (12), ladite manette comprenant au moins une unité d'affichage (22) destinée à afficher un état de fonctionnement d'un appareil ménager comprenant le dispositif de commande d'appareil ménager ;
    caractérisé par
    un agencement de bobine d'induction (20) destiné à un transfert inductif d'une énergie destinée à faire fonctionner l'unité d'affichage (22) depuis un espace situé sous ou derrière la plaque de couverture (10) vers la manette de commande (16), l'agencement de bobine d'induction (20) étant conçu pour transférer des informations complexes sur l'état de fonctionnement de l'appareil ménager vers l'unité d'affichage (22).
  2. Dispositif de commande d'appareil ménager selon la revendication 1, caractérisé en ce que le mécanisme de commutation (18) est conçu pour une ouverture et une fermeture d'une alimentation en gaz d'un appareil ménager.
  3. Dispositif de commande d'appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'affichage (22) comprend au moins une diode lumineuse (26).
  4. Dispositif de commande d'appareil ménager selon la revendication 3, caractérisé en ce que la diode lumineuse (26) est une diode lumineuse organique ou une diode lumineuse polymère.
  5. Dispositif de commande d'appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'affichage (22) est conçue pour adopter au moins deux états d'activation différents en plus d'un état inactif en fonction de signaux transférés par l'intermédiaire de l'agencement de bobine d'induction (20).
  6. Dispositif de commande d'appareil ménager selon l'une quelconque des revendications précédentes, caractérisé par un agencement de détecteur destiné à détecter la manette de commande (16) enfichée.
  7. Dispositif de commande d'appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'affichage (22) est insérée dans une matière plastique, en particulier transparente, de la manette de commande (16).
  8. Dispositif de commande d'appareil ménager selon l'une quelconque des revendications précédentes, caractérisé par un moyen destiné à détecter de manière inductive une position de rotation de la manette de commande (16).
  9. Dispositif de commande d'appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que la manette de commande (16) et une partie, agencée sous ou derrière la plaque de couverture (10), de l'agencement de bobine d'induction (20) sont galvaniquement isolées.
  10. Cuisinière à gaz avec un dispositif de commande d'appareil ménager selon l'une quelconque des revendications précédentes.
  11. Procédé de fonctionnement d'une unité d'affichage (22) d'un dispositif de commande d'appareil ménager avec un arbre de commutation (12) traversant une plaque de couverture (10) et destiné à actionner un mécanisme de commutation (18) agencé sous ou derrière la plaque de couverture (10), et avec une manette de commande (16) enfichée sur l'arbre de commutation (12), ladite manette comprenant au moins une unité d'affichage (22) destinée à afficher un état de fonctionnement d'un appareil ménager comprenant le dispositif de commande d'appareil ménager, dans lequel l'énergie destinée à faire fonctionner l'unité d'affichage (22) est transférée de manière inductive par l'intermédiaire d'un agencement de bobine d'induction (20) vers la manette de commande (16) depuis un espace situé sous ou derrière la plaque de couverture (10) et des informations complexes sur l'état de fonctionnement de l'appareil ménager sont transférées vers l'unité d'affichage (22) par l'intermédiaire de l'agencement de bobine d'induction (20) depuis un espace situé sous ou derrière la plaque de couverture (10), afin d'actionner l'unité d'affichage (22).
EP08803218.0A 2007-08-29 2008-08-26 Dispositif de commande d'équipement ménager et procédé pour faire fonctionner un dispositif indicateur Active EP2203685B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2007101314453A CN101377983B (zh) 2007-08-29 2007-08-29 家用电器操作装置和指示单元操作方法
PCT/EP2008/061143 WO2009027397A2 (fr) 2007-08-29 2008-08-26 Dispositif de commande d'équipement ménager et procédé pour faire fonctionner un dispositif indicateur

Publications (2)

Publication Number Publication Date
EP2203685A2 EP2203685A2 (fr) 2010-07-07
EP2203685B1 true EP2203685B1 (fr) 2016-05-25

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EP08803218.0A Active EP2203685B1 (fr) 2007-08-29 2008-08-26 Dispositif de commande d'équipement ménager et procédé pour faire fonctionner un dispositif indicateur

Country Status (4)

Country Link
US (1) US20110146650A1 (fr)
EP (1) EP2203685B1 (fr)
CN (1) CN101377983B (fr)
WO (1) WO2009027397A2 (fr)

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US20110146650A1 (en) 2011-06-23
CN101377983B (zh) 2012-03-14
CN101377983A (zh) 2009-03-04
WO2009027397A3 (fr) 2010-05-06
EP2203685A2 (fr) 2010-07-07
WO2009027397A2 (fr) 2009-03-05

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