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EP2024686A2 - Household appliance, preferably cooking hob - Google Patents

Household appliance, preferably cooking hob

Info

Publication number
EP2024686A2
EP2024686A2 EP07729068A EP07729068A EP2024686A2 EP 2024686 A2 EP2024686 A2 EP 2024686A2 EP 07729068 A EP07729068 A EP 07729068A EP 07729068 A EP07729068 A EP 07729068A EP 2024686 A2 EP2024686 A2 EP 2024686A2
Authority
EP
European Patent Office
Prior art keywords
display
housing
appliance according
hob
domestic appliance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07729068A
Other languages
German (de)
French (fr)
Other versions
EP2024686B1 (en
Inventor
Franz Grätz
Uwe Has
Andreas Marbach
Peter Vetterl
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2024686A2 publication Critical patent/EP2024686A2/en
Application granted granted Critical
Publication of EP2024686B1 publication Critical patent/EP2024686B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/102—Tops, e.g. hot plates; Rings electrically heated
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/68—Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/74—Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
    • H05B3/746—Protection, e.g. overheat cutoff, hot plate indicator
    • 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
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
    • H01H13/562—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force making use of a heart shaped cam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/08—Turn knobs
    • H01H2003/085—Retractable turn knobs, e.g. flush mounted
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor
    • H01H2219/0622—Light conductor only an illuminated ring around keys

Definitions

  • the invention relates to a domestic appliance, preferably on a hob, with at least one recognizable by the user function organ and with display and / or controls for the operation or monitoring of this functional organ.
  • the functional organs such as electrically heated cooking zones and non-heated induction cooking zones, spatially relatively far away from their controls such as switching and adjusting organs and display elements, such as signal lights or sounder, the usual way at the Front of the hob are arranged in a control panel.
  • the user must therefore mentally find the assignment of the functional organs to the display and / or controls, which is facilitated by a convenient distribution of these elements according to the arrangement of the functional organs in the hob.
  • a known hob (DE 199 60 495 C1) is provided as an additional functional member on infrared rays emanating from the cooking pot to be heated, responding temperature sensor approximately in the corner region of the hob, which formed approximately dome-like in the working position of an opening of the hob. a glass ceramic plate protrudes and in the rest position in the opening can be sunk flush with the cooking plate.
  • the switching on of the temperature sensor, the choice of the desired cooking level and the like is performed on the aforementioned front panel.
  • the user is signaled on the control panel of the progress achieved in the cooking process.
  • the present invention has for its object, a home appliance of the type mentioned in such a way that the highest degree of logical assignment of functional organs and associated display and / or controls is obtained.
  • This object is achieved with a domestic appliance in that the display and / or operating elements are arranged at the location of the associated functional member.
  • Attention of the user is directed thereby without any intellectual activity to the functional organ that is operated / controlled or controlled in which as a result of a signaled malfunction (warning signal) an immediate intervention eg shutdown is required.
  • a user guidance is made possible by which the user in his field of vision is directly and unmistakably displayed the place that needs his attention and / or his actions.
  • Application-oriented functional elements are in particular those in which a mechanical see, manual operation or movement is required, such as moving equipment parts, doors, flaps, sensors of the type mentioned or the like, but also stationary functional organs such as hotplates in particular induction hotplates, the may be provided for example with a signal-emitting light ring.
  • a particularly advantageous application of the invention is characterized in that the functional member is arranged in a cooktop sensor device for non-contact detection of the wall temperature of a parked on the cooktop heat energy radiating cooking appliance, which can be moved from a sunk in the hob rest position manually in a cooking field level superior working position is.
  • the sensor device at least partially a dome-like, retractable in a hob of the hob housing, in which housing an infrared sensor connected to a control device behind a on the cooking appliance aligned housing window is arranged as well as optical and / or acoustic signal elements for the display of the operating state of the sensor device in the housing and / or this are provided directly locally associated.
  • the retractable housing is displaceably mounted in a stationary receiving part and display and / or operating elements are arranged both in the housing and in the receiving part.
  • display elements can be provided after actuation thereof, while the stationary receiving part, for example, the position of the functional organ in the hob characterizing display elements can be provided, preferably in which a provided on the surface of the hob plate immedi res or indirect element of the stationary receiving part is provided with a preferably ring-like, surrounding the retractable housing signal element.
  • the retractable housing at least at its upper, even in the retracted position recognizable boundary, optical display and / or controls in particular signal elements.
  • Such display and / or operating elements can also be configured, for example, as switching elements and, in particular, display elements can also be arranged below the upper boundary of the retractable housing at its shaft which is visible in the working position.
  • the display and / or controls consist of a licht organizingdem material and are designed as a luminous body in particular in conjunction with light-emitting diodes or if in terms of displaceability between the stationary receiving part of the sensor device and their movable part, namely the housing, the luminous bodies are connected by means of optical fibers with a central light source.
  • 1 is a perspective view of a hob
  • FIG. 2 is an enlarged sectional view of a sensor device designed as a functional device according to the section line N-II in Fig. 1st
  • a hob 1 according to FIG. 1 has a glass ceramic plate 2, on both sides of which metallic edge strips 3 are fastened. Front side ends the glass ceramic plate 2 in one Plate drum 4, on or at the commercial hobs a display and / or control panel is arranged. On the glass ceramic plate 2 four heated cooking zones 5 are provided and marked accordingly by decor. Below the glass ceramic plate 2 are associated with the cooking zones 5 per se known heating elements, so-called radiant heating elements. By selecting corresponding power levels, the heating powers of the heating elements of a control unit of the hob 1 are set in a conventional manner. In the rear corner region of the hob 1, a sensor device 6 is mounted such that it can be lowered in an opening 7 (FIG. 2) of the glass-ceramic plate 2.
  • the sensor device 6 is known in its basic structure and in its basic function from the document DE 195 37 909 A1. In the working position, the sensor device 6, for example, detect the temperature of a parked on the corresponding hob 5, indicated by dashed lines cooking vessel 8 and its outer wall temperature. The measured temperature value is transmitted to the sensor unit 6 to the control unit, not shown, of the hob 1, which in turn controls the heating elements of the hob accordingly. In this case, the sensor device 6 can determine both the cooking vessel temperatures for gas, induction or radiant heating cooktops and measure other relevant cooktops of all kinds temperatures. In the circular plate opening 7 of the glass ceramic plate 2, for example, a metallic ring 9 is inserted from above.
  • the ring 9 has an extending below the glass ceramic plate 2 cylinder wall 10, the plate underside end portion has a latching portion 1 1.
  • Upper side of the plate has the ring 9 a circumferentially inwardly and outwardly extending collar 12 of the outside overlaps the upper plate edge in the region of the plate opening 7 and rests on the glass ceramic plate 2.
  • the sensor device 6 has a tubular receiving part 13 which is pressed against the underside of the collar 12 of the ring 9 via a seal in the region of a plate-upper shoulder.
  • a known locking device 16 is formed at a Drainnappten with the lower end portion of the receiving part 13 bottom 15 .
  • a pressure spring 17 is supported on the base 15, in which the energy is stored for the automatic movement of the sensor device 6, ie of the housing 18 from the rest position below the glass ceramic plate (FIG. 1) into the working position above the glass ceramic plate 2 (FIG ).
  • a dome-shaped housing 18 is guided vertically displaceable.
  • a Infrared sensor 19 is arranged, which detects by a window provided in the housing 18 incident heat radiation and converts it into a suitable measurement signal.
  • the infrared sensor 19 is connected via an electrical line 26 to a control unit of the hob 1, not shown.
  • a heart-shaped, known per se, slotted guide 21 Below a parallel to the bottom 15 extending partition 20 of the housing 18 is attached to this a heart-shaped, known per se, slotted guide 21. This acts together with the latching device 16 and ensures after slight pressure on the cover plate 22 of the housing 18, the automatic extension of the sensor device 6 and a holding of the housing 18 in the rest position when the housing 18 is pressed downwards correspondingly far down into the hob.
  • annular display element 23 which moves around its cover plate 22.
  • annular display element 24 the inner part of the ring 9 is formed as an annular display element 24.
  • the functional element that is to say in the example the sensor device 6, can be provided with one or more operating elements, e.g. with an on-off switch in the region of the cover plate 22.
  • the functional element can also be acoustic signal transmitters, e.g.
  • the signals necessary for the control of the displays can be output by a central control device of the hob 1 or be initiated by a small control unit in the functional organ.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Electric Stoves And Ranges (AREA)
  • Cookers (AREA)

Abstract

Disclosed is a household appliance, preferably a cooking hob (hob plate 2), comprising at least one functional element (6) that the user can see as well as display elements and/or control elements (23, 24) for actuating or monitoring said functional element (6). According to the invention, the display elements and/or control elements (23, 24) are disposed where the associated functional element (6) is located. The functional element (6) can include a temperature sensor for measuring a wall temperature of a cooking utensil (e.g. a pot). The functional element can be embodied as a dome-type housing and can be lowered within the plane of the cooking hob.

Description

Hausgerät, vorzugsweise Kochfeld Domestic appliance, preferably hob
Die Erfindung bezieht sich auf ein Hausgerät, vorzugsweise auf ein Kochfeld, mit wenigstens einem vom Benutzer erkennbaren Funktionsorgan und mit Anzeige- und/oder Bedienelementen für die Betätigung bzw. Überwachung dieses Funktionsorgans.The invention relates to a domestic appliance, preferably on a hob, with at least one recognizable by the user function organ and with display and / or controls for the operation or monitoring of this functional organ.
Bei elektrischen Hausgeräten, etwa bei Kochfeldern, sind die Funktionsorgane, wie elektrisch beheizte Kochstellen und nicht-beheizte Induktions-Kochzonen, räumlich relativ weit entfernt von ihren Bedienelementen wie Schalt- und Einstellorganen und Anzeigeelementen, wie Signalleuchten oder akustische Signalgeber, die üblicher Weise an der Frontseite des Kochfeldes in einem Bedienfeld angeordnet sind. Der Benutzer muss also gedanklich die Zuordnung der Funktionsorgane zu den Anzeige- und/oder Bedienelementen finden, was durch eine zweckmäßige Verteilung dieser Elemente entsprechend der Anordnung der Funktionsorgane im Kochfeld erleichtert wird.In electrical household appliances, such as cooktops, the functional organs, such as electrically heated cooking zones and non-heated induction cooking zones, spatially relatively far away from their controls such as switching and adjusting organs and display elements, such as signal lights or sounder, the usual way at the Front of the hob are arranged in a control panel. The user must therefore mentally find the assignment of the functional organs to the display and / or controls, which is facilitated by a convenient distribution of these elements according to the arrangement of the functional organs in the hob.
Bei einem bekannten Kochfeld (DE 199 60 495 C1 ) ist als zusätzliches Funktionsorgan ein auf Infrarotstrahlen, die vom zu erhitzendem Kochtopf ausgehen, reagierender Temperatursensor etwa im Eckenbereich des Kochfeldes vorgesehen, der etwa domartig ausgebildet in der Arbeitsstellung aus einer Öffnung des Kochfeldes z.B. einer Glaskeramikplatte ragt und in der Ruhestellung in der Öffnung flächenbündig zur Koch- platte versenkt werden kann. Das Einschalten des Temperatursensors, die Wahl der gewünschten Kochstufe und dergleichen wird am erwähnten frontseitigen Bedienfeld durchgeführt. Ebenso wird dem Benutzer am Bedienfeld der erreichte Fortschritt des Kochprozesses signalisiert.In a known hob (DE 199 60 495 C1) is provided as an additional functional member on infrared rays emanating from the cooking pot to be heated, responding temperature sensor approximately in the corner region of the hob, which formed approximately dome-like in the working position of an opening of the hob. a glass ceramic plate protrudes and in the rest position in the opening can be sunk flush with the cooking plate. The switching on of the temperature sensor, the choice of the desired cooking level and the like is performed on the aforementioned front panel. Likewise, the user is signaled on the control panel of the progress achieved in the cooking process.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Hausgerät der eingangs genannten Art so auszugestalten, dass ein Höchstmaß an logischer Zuordnung von Funktionsorganen und zugehörigen Anzeige- und/oder Bedienelementen erhalten wird.The present invention has for its object, a home appliance of the type mentioned in such a way that the highest degree of logical assignment of functional organs and associated display and / or controls is obtained.
Diese Aufgabe wird bei einem Hausgerät dadurch gelöst, dass die Anzeige- und/oder Bedienelemente am Ort des zugehörigen Funktionsorgans angeordnet sind. DieThis object is achieved with a domestic appliance in that the display and / or operating elements are arranged at the location of the associated functional member. The
Aufmerksamkeit des Benutzers wird dadurch ohne jegliche gedankliche Tätigkeit auf dasjenige Funktionsorgan gelenkt, das bedient/betätigt oder kontrolliert werden soll bzw. bei dem infolge einer signalisierten Fehlfunktion (Warnsignal) ein sofortiges Eingreifen z.B. Abschalten erforderlich ist. Auf diese Weise wird eine Benutzerführung ermöglicht, durch welche dem Benutzer in seinem Blickfeld direkt und unmissverständlich der Ort angezeigt wird, welche seiner Aufmerksamkeit und/oder seines Handelns bedarf. Anwendungsgerechte Funktionselemente sind insbesondere solche, bei denen eine mechani- sehe, manuelle Betätigung bzw. Bewegung erforderlich ist, wie bei beweglichen Geräteteilen, Türen, Klappen, Sensoren der eingangs genannten Art oder dergleichen, aber auch stationäre Funktionsorgane wie Kochstellen insbesondere Induktions-Kochstellen, die beispielsweise mit einem signalgebenden Leuchtring versehen sein können. Eine besonders vorteilhafte Anwendung der Erfindung ist dadurch gekennzeichnet, dass das Funktionsorgan eine in einem Kochfeld angeordnete Sensoreinrichtung für die berührungslose Erfassung der Wandtemperatur eines auf dem Kochfeld abgestellten Wärmeenergie abstrahlenden Gargerätes ist, die aus einer im Kochfeld versenkten Ruhestellung manuell in eine die Kochfeldebene überragende Arbeitsstellung bewegbar ist. Im Sinne einer Ausbildung der Anzeige- und/oder Bedienelemente als Bestandteile des Funktionsorgans ist es vorteilhaft, wenn die Sensoreinrichtung zumindest teilweise ein domartiges, in einer Kochfeldplatte des Kochfeldes versenkbares Gehäuse aufweist, in welchem Gehäuse eine mit einer Steuereinrichtung verbundene Infrarotsensorik hinter einem auf das Gargerät ausgerichteten Gehäusefenster angeordnet ist sowie optische und/oder akustische Signalelemente für die Anzeige des Betriebszustandes der Sensoreinrichtung im Gehäuse und/oder diesem unmittelbar örtlich zugeordnet vorgesehen sind.Attention of the user is directed thereby without any intellectual activity to the functional organ that is operated / controlled or controlled in which as a result of a signaled malfunction (warning signal) an immediate intervention eg shutdown is required. In this way, a user guidance is made possible by which the user in his field of vision is directly and unmistakably displayed the place that needs his attention and / or his actions. Application-oriented functional elements are in particular those in which a mechanical see, manual operation or movement is required, such as moving equipment parts, doors, flaps, sensors of the type mentioned or the like, but also stationary functional organs such as hotplates in particular induction hotplates, the may be provided for example with a signal-emitting light ring. A particularly advantageous application of the invention is characterized in that the functional member is arranged in a cooktop sensor device for non-contact detection of the wall temperature of a parked on the cooktop heat energy radiating cooking appliance, which can be moved from a sunk in the hob rest position manually in a cooking field level superior working position is. In terms of a design of the display and / or controls as components of the functional body, it is advantageous if the sensor device at least partially a dome-like, retractable in a hob of the hob housing, in which housing an infrared sensor connected to a control device behind a on the cooking appliance aligned housing window is arranged as well as optical and / or acoustic signal elements for the display of the operating state of the sensor device in the housing and / or this are provided directly locally associated.
Gemäß einer bevorzugten Ausführungsform ist das versenkbare Gehäuse in einem stationären Aufnahmeteil verschiebbar gelagert und sowohl im Gehäuse als auch im Aufnahmeteil sind Anzeige- und/oder Bedienelemente angeordnet. Am bewegbaren Teil des Funktionsorgans können vorzugsweise nach Betätigung desselben Anzeigeelemente vorgesehen sein, während am stationären Aufnahmeteil z.B. die Position des Funktionsorgans im Kochfeld kennzeichnende Anzeigeelemente vorgesehen sein können, vorzugsweise in dem ein an der Oberfläche der Kochfeldplatte vorgesehenes unmittelba- res oder mittelbares Element des stationären Aufnahmeteils mit einem vorzugsweise ringartigen, das versenkbare Gehäuse umgebenden Signalelement versehen ist. Gemäß einer vorteilhaften Ausgestaltung der Erfindung weist das versenkbare Gehäuse zumindest an seiner oberen, auch in der versenkten Stellung erkennbaren Begrenzung, optische Anzeige- und/oder Bedienelemente insbesondere Signalelemente auf. Derartige Anzeige- und/oder Bedienelemente können auch z.B. als Schaltelemente ausgebildet sein und insbesondere Anzeigeelemente können auch unterhalb der oberen Begrenzung des versenkbaren Gehäuses an dessen in der Arbeitsstellung sichtbarem Schaft angeordnet sein.According to a preferred embodiment, the retractable housing is displaceably mounted in a stationary receiving part and display and / or operating elements are arranged both in the housing and in the receiving part. On the movable part of the functional member preferably display elements can be provided after actuation thereof, while the stationary receiving part, for example, the position of the functional organ in the hob characterizing display elements can be provided, preferably in which a provided on the surface of the hob plate immedi res or indirect element of the stationary receiving part is provided with a preferably ring-like, surrounding the retractable housing signal element. According to an advantageous embodiment of the invention, the retractable housing, at least at its upper, even in the retracted position recognizable boundary, optical display and / or controls in particular signal elements. Such display and / or operating elements can also be configured, for example, as switching elements and, in particular, display elements can also be arranged below the upper boundary of the retractable housing at its shaft which is visible in the working position.
Bei Verwendung von optischen Signalgebern für insbesondere die Anzeigeelemente ist es vorteilhaft, wenn die Anzeige- und/oder Bedienelemente aus einem lichtleitendem Material bestehen und als Leuchtkörper insbesondere in Verbindung mit lichtemittierenden Dioden ausgebildet sind oder wenn hinsichtlich der Verschiebbarkeit zwischen dem stationären Aufnahmeteil der Sensoreinrichtung und deren beweglichem Teil, nämlich dem Gehäuse die Leuchtkörper mittels Lichtleiter mit einer zentralen Lichtquelle verbunden sind.When using optical signal generators for in particular the display elements, it is advantageous if the display and / or controls consist of a lichtleitendem material and are designed as a luminous body in particular in conjunction with light-emitting diodes or if in terms of displaceability between the stationary receiving part of the sensor device and their movable part, namely the housing, the luminous bodies are connected by means of optical fibers with a central light source.
Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich in Varianten bzgl. der Erkennbarkeit der Anzeige- und Bedienelemente z.B. dadurch, dass den optischen Anzeige- und/oder Bedienelementen Einrichtungen zur Lichtunterbrechung, d.h. durch Blinken oder Farbwechsel zugeordnet sind und/oder dass den Anzeige- und/oder Bedienelementen akustische Signalgeber, z.B. Summer, zugeordnet sind.Further advantageous embodiments of the invention will become apparent in variants with respect to the recognizability of the display and control elements, e.g. in that the optical display and / or operating means for interrupting light, i. are assigned by flashing or color change and / or that the display and / or operating elements acoustic beeps, e.g. Summer, are assigned.
Die Erfindung ist anhand eines in der Zeichnung dargestellten Ausführungsbeispiels nachstehend erläutert.The invention is explained below with reference to an embodiment shown in the drawing.
Es zeigt:It shows:
Fig. 1 die perspektivische Darstellung eines Kochfeldes,1 is a perspective view of a hob,
Fig. 2 eine vergrößerte Schnittansicht eines als Sensoreinrichtung ausgebildeten Funktionsorgans gemäß der Schnittlinie N-Il in Fig. 1 .2 is an enlarged sectional view of a sensor device designed as a functional device according to the section line N-II in Fig. 1st
Ein Kochfeld 1 gemäß Fig. 1 weist eine Glaskeramikplatte 2 auf, an deren beiden Seiten metallische Randleisten 3 befestigt sind. Frontseitig endet die Glaskeramikplatte 2 in einer Plattenfassette 4, auf bzw. an der bei handelsüblichen Kochfeldern ein Anzeige- und/oder Bedienfeld angeordnet ist. Auf der Glaskeramikplatte 2 sind vier beheizbare Kochstellen 5 vorgesehen und durch Dekor entsprechend markiert. Unterhalb der Glaskeramikplatte 2 sind den Kochstellen 5 zugeordnet an sich bekannte Heizelemente, so genannte Strahlungsheizelemente. Durch die Auswahl entsprechender Leistungsstufen werden die Heizleistungen der Heizelemente von einer Steuereinheit des Kochfeldes 1 in an sich bekannter Weise eingestellt. Im rückseitigen Eckbereich des Kochfeldes 1 ist eine Sensoreinrichtung 6 in einer Öffnung 7 (Fig. 2) der Glaskeramikplatte 2 versenkbar montiert. Die Sensoreinrichtung 6 ist in ihrem Grundaufbau und in ihrer Grundfunktion aus der Druckschrift DE 195 37 909 A1 bekannt. In der Arbeitsstellung kann die Sensoreinrichtung 6 beispielsweise die Temperatur eines auf der entsprechenden Kochstelle 5 abgestellten, gestrichelt angedeuteten Kochgefäßes 8 bzw. dessen Außenwandtemperatur erfassen. Den gemessenen Temperaturwert übermittelt die Sensoreinrichtung 6 an die nicht dargestellte Steuereinheit des Kochfeldes 1 , die wiederum die Heizelemente des Kochfeldes entsprechend ansteuert. Dabei kann die Sensoreinrichtung 6 sowohl die Kochgefäßtemperaturen bei Gas-, Induktions- oder Strahlungsheizelemente-Kochfeldern ermitteln als auch andere bei Kochfeldern aller Art relevanten Temperaturen messen. In der kreisförmigen Plattenöffnung 7 der Glaskeramikplatte 2 ist von oben ein z.B. metallischer Ring 9 gesteckt. Der Ring 9 weist eine sich unterhalb der Glaskeramikplatte 2 erstreckende Zylinderwand 10 auf, deren plattenunterseitiger Endabschnitt einen Rastabschnitt 1 1 besitzt. Plattenoberseitig besitzt der Ring 9 einen sich umfangseitig nach Innen und nach Außen erstreckenden Kragen 12 der außenseitig den oberen Plattenrand im Bereich der Plattenöffnung 7 übergreift und auf der Glaskeramikplatte 2 ruht.A hob 1 according to FIG. 1 has a glass ceramic plate 2, on both sides of which metallic edge strips 3 are fastened. Front side ends the glass ceramic plate 2 in one Plate drum 4, on or at the commercial hobs a display and / or control panel is arranged. On the glass ceramic plate 2 four heated cooking zones 5 are provided and marked accordingly by decor. Below the glass ceramic plate 2 are associated with the cooking zones 5 per se known heating elements, so-called radiant heating elements. By selecting corresponding power levels, the heating powers of the heating elements of a control unit of the hob 1 are set in a conventional manner. In the rear corner region of the hob 1, a sensor device 6 is mounted such that it can be lowered in an opening 7 (FIG. 2) of the glass-ceramic plate 2. The sensor device 6 is known in its basic structure and in its basic function from the document DE 195 37 909 A1. In the working position, the sensor device 6, for example, detect the temperature of a parked on the corresponding hob 5, indicated by dashed lines cooking vessel 8 and its outer wall temperature. The measured temperature value is transmitted to the sensor unit 6 to the control unit, not shown, of the hob 1, which in turn controls the heating elements of the hob accordingly. In this case, the sensor device 6 can determine both the cooking vessel temperatures for gas, induction or radiant heating cooktops and measure other relevant cooktops of all kinds temperatures. In the circular plate opening 7 of the glass ceramic plate 2, for example, a metallic ring 9 is inserted from above. The ring 9 has an extending below the glass ceramic plate 2 cylinder wall 10, the plate underside end portion has a latching portion 1 1. Upper side of the plate has the ring 9 a circumferentially inwardly and outwardly extending collar 12 of the outside overlaps the upper plate edge in the region of the plate opening 7 and rests on the glass ceramic plate 2.
Die Sensoreinrichtung 6 weist gemäß Fig. 2 ein rohrförmiges Aufnahmeteil 13 auf, dass im Bereich eines plattenoberseitigen Absatzes über eine Dichtung an die Unterseite des Kragens 12 des Ringes 9 gedrückt ist. An einem mit dem unteren Endabschnitt des Aufnahmeteils 13 verschnappten Boden 15 ist eine an sich bekannte Rastvorrichtung 16 ausgebildet. Weiterhin stützt sich an dem Boden 15 eine Druckfeder 17 ab, in der die Energie gespeichert ist zur selbsttätigen Bewegung der Sensoreinrichtung 6 d.h. des Gehäuses 18 aus der Ruhestellung unterhalb der Glaskeramikplatte (Fig. 1 ) in die Arbeitsstellung oberhalb der Glaskeramikplatte 2 (Fig. 2). In dem Aufnahmeteil 13 ist ein domförmiges Gehäuse 18 vertikal verschiebbar geführt. Im Gehäuse 18 ist eine lnfrarotsensorik 19 angeordnet, die durch ein im Gehäuse 18 vorgesehenes Fenster einfallende Wärmestrahlung detektiert und in ein geeignetes Messsignal umformt. Die lnfrarotsensorik 19 ist über eine elektrische Leitung 26 mit einer nicht gezeigten Steuereinheit des Kochfeldes 1 verbunden. Unterhalb einer parallel zum Boden 15 verlaufenden Trennwand 20 des Gehäuses 18 ist an dieser eine herzförmige, an sich bekannte, Kulissenführung 21 befestigt. Diese wirkt zusammen mit der Rastvorrichtung 16 und gewährleistet nach leichtem Druck auf die Deckplatte 22 des Gehäuses 18 das selbsttätige Ausfahren der Sensoreinrichtung 6 sowie ein Festhalten des Gehäuses 18 in der Ruheposition, wenn das Gehäuse 18 entsprechend weit nach unten in das Kochfeldinnere gedrückt wird.According to FIG. 2, the sensor device 6 has a tubular receiving part 13 which is pressed against the underside of the collar 12 of the ring 9 via a seal in the region of a plate-upper shoulder. At a verschnappten with the lower end portion of the receiving part 13 bottom 15 a known locking device 16 is formed. Furthermore, a pressure spring 17 is supported on the base 15, in which the energy is stored for the automatic movement of the sensor device 6, ie of the housing 18 from the rest position below the glass ceramic plate (FIG. 1) into the working position above the glass ceramic plate 2 (FIG ). In the receiving part 13, a dome-shaped housing 18 is guided vertically displaceable. In the housing 18 is a Infrared sensor 19 is arranged, which detects by a window provided in the housing 18 incident heat radiation and converts it into a suitable measurement signal. The infrared sensor 19 is connected via an electrical line 26 to a control unit of the hob 1, not shown. Below a parallel to the bottom 15 extending partition 20 of the housing 18 is attached to this a heart-shaped, known per se, slotted guide 21. This acts together with the latching device 16 and ensures after slight pressure on the cover plate 22 of the housing 18, the automatic extension of the sensor device 6 and a holding of the housing 18 in the rest position when the housing 18 is pressed downwards correspondingly far down into the hob.
Wie in Fig. 2 angedeutet ist am oberen Ende des Gehäuses 18 ein dessen Deckplatte 22 umziehendes ringförmiges Anzeigeelement 23 angeordnet. In ähnlicher Weise ist der innere Teil des Ringes 9 als ringförmiges Anzeigeelement 24 ausgebildet. Beiden als Leuchtringe ausgebildeten und aus einem lichtleitendem Material bestehenden Anzeigeelementen 23, 24 ist jeweils als Lichtquelle eine lichtemittierende Diode 25 zugeordnet. Selbstverständlich kann es vorteilhaft sein, am in der Arbeitsstellung des Gehäuses 18 sichtbaren Schaft desselben unterhalb der Deckplatte 22 Anzeigelemente anzuordnen. Ferner kann das Funktionsorgan, also im Beispiel die Sensoreinrichtung 6, mit einem oder mehreren Bedienelementen versehen sein, z.B. mit einem Ein-Aus- Schalter im Bereich der Deckplatte 22. Schließlich kann das Funktionsorgan auch akustische Signalgeber z.B. einen Summer 27 sowie Einrichtungen zur Lichtunterbrechung durch Blinken oder durch Farbwechsel, unterschiedliche Färbung der Anzeige und dergleichen aufweisen, wodurch nicht nur die Position und die Arbeitsbereitschaft des Funktionsorgans angezeigt wird sondern auch weitere Signale z.B. bezüglich Temperatur-Sollwert, Warnsignale bei Übertemperatur oder sonstige Nutzerhinweise dem Benutzer sichtbar oder hörbar gemacht werden können. Die zur Ansteuerung der Anzeigen notwendigen Signale können von einer zentralen Steuereinrichtung des Kochfeldes 1 abgegeben werden oder von einer kleinen Steuereinheit im Funktionsorgan initiiert werden. As indicated in FIG. 2, at the upper end of the housing 18 there is arranged an annular display element 23 which moves around its cover plate 22. Similarly, the inner part of the ring 9 is formed as an annular display element 24. Both formed as light rings and consisting of a light-conducting material display elements 23, 24 each light source as a light-emitting diode 25 is assigned. Of course, it may be advantageous to arrange on the visible in the working position of the housing 18 shaft thereof below the cover plate 22 display elements. Furthermore, the functional element, that is to say in the example the sensor device 6, can be provided with one or more operating elements, e.g. with an on-off switch in the region of the cover plate 22. Finally, the functional element can also be acoustic signal transmitters, e.g. a buzzer 27 and means for interrupting the light by flashing or by color change, different coloring of the display and the like, whereby not only the position and the work readiness of the functional organ is displayed but also other signals e.g. with regard to temperature setpoint, warning signals at overtemperature or other user instructions can be made visible or audible to the user. The signals necessary for the control of the displays can be output by a central control device of the hob 1 or be initiated by a small control unit in the functional organ.

Claims

PATENTANSPRÜCHE
1 . Hausgerät vorzugsweise Kochfeld (1 ) mit wenigstens einen vom Benutzer erkennba- ren Funktionsorgan (6) und mit Anzeig- und/oder Bedienelementen (23, 24) für die1 . Household appliance preferably hob (1) with at least one recognizable by the user function organ (6) and with display and / or controls (23, 24) for the
Betätigung bzw. Überwachung dieses Funktionsorgans, dadurch gekennzeichnet, dass die Anzeige- und/oder Bedienelemente (23, 24) am Ort des zugehörigenActuation or monitoring of this functional element, characterized in that the display and / or operating elements (23, 24) at the location of the associated
Funktionsorgans (6) angeordnet sind.Functional organ (6) are arranged.
2. Hausgerät nach Anspruch 1 , dadurch gekennzeichnet, dass die Anzeige- und/oder Bedienelemente (23, 24) Bestandteil des Funktionsorgans (6) sind.2. Domestic appliance according to claim 1, characterized in that the display and / or operating elements (23, 24) are part of the functional member (6).
3. Hausgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Funktionsorgan (6/18) manuell oder motorisch bewegbar ist.3. Domestic appliance according to one of the preceding claims, characterized in that the functional element (6/18) is movable manually or by motor.
4. Hausgerät nach Anspruch 1 , 2 oder 3, dadurch gekennzeichnet, dass das Funktionsorgan (6/18) eine in einem Kochfeld (1 ) angeordnete Sensoreinrichtung (6) für die berührungslose Erfassung der Wandtemperatur eines auf dem Kochfeld (1 ) abgestellten, Wärmeenergie abstrahlenden Gargeräts (8) ist und aus einer im Kochfeld (1 ) versenkten Ruhestellung in eine die Kochfeldebene überragende4. Domestic appliance according to claim 1, 2 or 3, characterized in that the functional member (6/18) arranged in a hob (1) sensor means (6) for the contactless detection of the wall temperature of a on the hob (1) parked, heat energy radiating cooking appliance (8) and from a cooking field (1) sunk rest position in a cooking field level superior
Arbeitsstellung bewegbar ist.Working position is movable.
5. Hausgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Sensoreinrichtung (6) ein domartiges in einer Kochfeldplatte (2) des Kochfeldes (1 ) versenkbares Gehäuse (18) aufweist, in welchem Gehäuse eine mit einer Steuereinrichtung verbundene Infrarotsensorik (19) hinter einem auf das Gargerät (8) ausgerichteten Gehäusefenster angeordnet ist sowie optische und/oder akustische Signalelemente (23, 24) für die Anzeige oder für den Betriebszustand im Gehäuse (18) und/oder diesem unmittelbar örtlich zugeordnet vorgesehen sind.5. Household appliance according to one of the preceding claims, characterized in that a sensor device (6) has a dome-like housing (18) retractable in a hob plate (2) of the hob (1), in which housing an infrared sensor system (19) connected to a control device is arranged behind a mounted on the cooking appliance (8) housing window and optical and / or acoustic signal elements (23, 24) are provided for the display or for the operating state in the housing (18) and / or directly assigned locally.
6. Hausgerät nach Anspruch 5, dadurch gekennzeichnet, dass das versenkbare Gehäuse (18) in einem stationären Aufnahmeteil (13) verschiebbar gelagert ist und dass im Gehäuse (18) und/oder im Aufnahmeteil (13) Anzeige- und/oder Bedienelemente6. domestic appliance according to claim 5, characterized in that the retractable housing (18) in a stationary receiving part (13) is displaceably mounted and that in the housing (18) and / or in the receiving part (13) display and / or controls
(23, 24) angeordnet sind.(23, 24) are arranged.
7. Hausgerät nach einem der vorliegenden Ansprüche, dadurch gekennzeichnet, dass ein an der Oberfläche der Kochfeldplatte (2) vorgesehener Ring (9) als unmittelbarer oder mittelbarer Teil eines stationären Aufnahmeteils (13) für das versenkbare7. domestic appliance according to one of the present claims, characterized in that on the surface of the hob plate (2) provided for ring (9) as a direct or indirect part of a stationary receiving part (13) for the retractable
Gehäuse (18) mit einem ringartigen, das Gehäuse (18) umgebenden Signalelement (24) versehen ist.Housing (18) with an annular, the housing (18) surrounding signal element (24) is provided.
8. Hausgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das versenkbare Gehäuse (18) zumindest an seiner oberen, auch in der versenkten Stellung erkennbaren Begrenzung optische Anzeige- und/oder Bedienelemente insbesondere Signalelemente (23) aufweist.8. Domestic appliance according to one of the preceding claims, characterized in that the retractable housing (18) at least on its upper, even in the retracted position recognizable boundary optical display and / or controls in particular signal elements (23).
9. Hausgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anzeige- und/oder Bedienelemente (23, 24) als aus einem lichtleitenden9. Domestic appliance according to one of the preceding claims, characterized in that the display and / or operating elements (23, 24) as from a light-conducting
Material bestehende Leuchtkörper ausgebildet sind, denen Lichtquellen vorzugsweise lichtemittierende Dioden (25) zugeordnet sind.Material existing luminous bodies are formed, which light sources are preferably associated with light-emitting diodes (25).
10. Hausgerät nach Anspruch 9, dadurch gekennzeichnet, dass die Leuchtkörper mittels Lichtleiter mit einer zentralen Lichtquelle verbunden sind.10. Domestic appliance according to claim 9, characterized in that the luminous bodies are connected by means of optical fibers with a central light source.
1 1. Hausgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass den optischen Anzeige- und/oder Bedienelementen Einrichtungen zur Lichtunterbrechung, d.h. durch Blinken oder durch Farbwechsel zugeordnet sind.Domestic appliance according to one of the preceding claims, characterized in that the optical display and / or operating means for interrupting light, i. associated with flashing or by color change.
12. Hausgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass den Anzeige- und/oder Bedienelementen akustische Signalgeber (27) z.B. Summer zugeordnet sind. 12. Domestic appliance according to one of the preceding claims, characterized in that the display and / or controls acoustic signal transmitter (27), e.g. Buzzer are assigned.
EP07729068.2A 2006-05-19 2007-05-14 Household appliance, preferably cooking hob Active EP2024686B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006023702A DE102006023702A1 (en) 2006-05-19 2006-05-19 Domestic appliance, preferably hob
PCT/EP2007/054616 WO2007134998A2 (en) 2006-05-19 2007-05-14 Household appliance, preferably cooking hob

Publications (2)

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EP2024686A2 true EP2024686A2 (en) 2009-02-18
EP2024686B1 EP2024686B1 (en) 2016-11-30

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US (1) US20090159589A1 (en)
EP (1) EP2024686B1 (en)
DE (1) DE102006023702A1 (en)
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WO (1) WO2007134998A2 (en)

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WO2007134998A2 (en) 2007-11-29
ES2609475T3 (en) 2017-04-20
EP2024686B1 (en) 2016-11-30
WO2007134998A3 (en) 2008-01-31
US20090159589A1 (en) 2009-06-25

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