EP1666798B2 - Cooking device for fully automatic cooking and/or cleaning - Google Patents

Cooking device for fully automatic cooking and/or cleaning Download PDF

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Publication number
EP1666798B2
EP1666798B2 EP05026372.2A EP05026372A EP1666798B2 EP 1666798 B2 EP1666798 B2 EP 1666798B2 EP 05026372 A EP05026372 A EP 05026372A EP 1666798 B2 EP1666798 B2 EP 1666798B2
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Prior art keywords
cooking
sensor
cleaning
cooked
cooking appliance
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EP05026372.2A
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German (de)
French (fr)
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EP1666798B1 (en
EP1666798A3 (en
EP1666798A2 (en
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Peter Wiedemann
Bruno Maas
Michael Dr. Greiner
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Rational AG
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Rational AG
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    • 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
    • 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
    • F24C14/00—Stoves or ranges having self-cleaning provisions, e.g. continuous catalytic cleaning or electrostatic cleaning

Definitions

  • the present invention relates to a cooking appliance with a cooking chamber, which can be closed by a cooking chamber door or an air curtain, a control or regulating device with at least one measuring device for guiding at least one cooking process in the oven at least over a heater and / or for guiding at least one cleaning process in the cooking chamber at least cooperates via a cleaning device, and a switching device.
  • Such cooking appliances are in the prior art, for example from the US 3,745,988 in the form of a self-cleaning oven or from the US 5,362,946 in the form of a cooking appliance, in which, depending on the detection of an accessory in a cooking chamber, a cooking process is automatically initiated, well known.
  • a cooking process is automatically initiated, well known.
  • desired cooking results can only be obtained with consistent, high quality if they are operated by skilled workers.
  • While some efforts have been made to automate a cooking process a variety of parameters or information must still be input by an operator into the cooking appliance before it can perform automatic cooking. Also for performing suitable cleaning processes is still always the interposition of human understanding required, which can lead to operator error.
  • JP 05-018539 A An automated cooking method in which a Gargutart first determined and depending on the particular Gargutart a cooking program is performed, is known from JP 05-018539 A and also US 5,352,867.
  • WO 00/49838 discloses an intelligent cooking appliance in which information can be evaluated on a food package for guiding a cooking program.
  • Steps have already been taken to automate a cleaning process, such as in the DE 199 61 835C2 described. Thereafter, from a cooking chamber effluent cleaning water is at least partially reused and automatically controlled a cleaning circuit via a special sensor.
  • effluent cleaning water is at least partially reused and automatically controlled a cleaning circuit via a special sensor.
  • Gargutuccin are there explicitly the core temperature of the food, the placement of Garprozeßmes in the food, the diameter of the food, the density of the food, the Gargutart, the degree of maturation of the food, the pH of the food, the consistency of the food, the storage state of the Garguts, the smell of the food, the taste of the food, the quality of the food, the browning of the food, the crusting of the food, the vitamin degradation of the food, the formation of carcinogenic substances in the food, the hygiene of the food and / or the thermal conductivity of the food described.
  • the DE 101 14 080 C1 the detection of the pH value, the electrical conductivity, the optical behavior, the spectroscopic behavior, the odor and / or the behavior upon the action of enzymes of organic liquid substances emerging from a food during cooking for controlling a cooking process and / or cleaning process
  • the DE 10 2004 062 737 .1-34 is a sniffer sensor for detecting the atmosphere, for example, the Garinnenraums known, depending on output values controls a control system cooking processes.
  • the detection of the installation site and / or installation height of the cooking appliance is used to set predetermined cooking programs and internal parameters, as in the context of DE 103 01 526 B3 described.
  • Object of the present invention is therefore to provide a cooking appliance for completely automatic cooking and / or cleaning.
  • the present invention is based on the finding that desired cooking results can be reproducibly ensured by completely inexperienced operators of a cooking appliance only if the operators only have to bring food into the cooking appliance and then the cooking process is carried out completely automatically.
  • the invention is based on the finding that a desired cooking chamber cleaning of completely inexperienced operators of a cooking appliance can only be ensured if the operator only has to refill cleaning agents at the request of the cooking appliance.
  • a cleaning device of the cooking appliance according to the invention comprises a device for, preferably metered, donations of at least one cleaning agent, rinse aid and / or descaling agent.
  • a measuring device may be provided which is suitable for detecting the level of a Beschwadungsleaned a steam generating device, a cooling device and / or a dispensing device of the cleaning device, preferably via at least one level sensor and / or weight sensor.
  • FIG. 1 thus, shows a cooking appliance 1 with a cooking chamber door 2, which includes only a single actuator in the form of an on / off switch 3.
  • An operator of cooking appliance not according to the invention 1 only has to open the cooking chamber door 2 for introducing not shown Gargut in a cooking chamber, not shown, place the food in the oven, close the Garrraumt 2 and turn on the cooking appliance 1 via the on / off switch 3.
  • a control device in operative connection with a measuring device (not shown) and a storage device (not shown)
  • a heater (not shown) and / or a steam generating device is actuated to automatically a cooking process to to lead.
  • the food is automatically detected, so that then the cooking process can be performed either depending on preset parameters or stored in a storage device of the control Gar profiles.
  • a cluster method can be used, as it is known from the WO 2004/62372 A2 is known.
  • FIG. 2 differs from the cooking appliance 1 according to FIG. 1 in particular the fact that no actuating element is provided and instead of a cooking chamber door 2, an air curtain 2 'is provided. More specifically, in a cooking chamber 10 'an air guide member 11' for separating a fan chamber 12 'is arranged, in which an impeller 13' and wound around this Bankwarel 14 'are arranged, the impeller 13' air also targeted to a plurality of parallel air nozzles 15 'leads, which in each case an air intake opening 16' is opposite, so that between the air nozzles 15 and the air intake openings 16 optionally an air curtain 2 'for closing the cooking chamber 10' can be generated.
  • an infrared sensor 17' is also arranged, via which the arrangement of a food (not shown) in the cooking chamber 10 ', even the position of such a food in the cooking chamber 10', can be detected, such as in the context of DE 10 2005 046 716.4 described immediately after detection of a food in the cooking chamber 10 'automatically close the same about the air curtain 2' and initiate a cooking process in which the food is specifically acted upon by heat and / or steam, again on the basis of a cluster method according to of the WO 2004/62372 A2 ,
  • a cooking process sensor 17 " can also be used both for detecting a food item 5" in a cooking chamber and for detecting specific cooking product sizes of the food item 5 ".
  • the arrangement of a food 5 ", in which it is at least partially introduced, has been detected in the oven, for example, on the basis of the disclosure of the DE 100 61 821 C2 , a cooking process is started automatically.
  • An actuating element as part of a switching device is therefore not necessary. Rather, a switching device is provided by the cooking process sensor 17 "by means of the cooking process sensor 17" detected Gargut bodin is also the Cooking process automatically performed, such as in the context of DE 199 45 021 A1 described.
  • a steam generator 21 ", an impeller 23", a heating device 24 “and a display device 25” are thus activated via a control device 20 ', which receives and evaluates the output data of the cooking process sensor 17 " Gargut 5 "be subjected to heat and / or steam.
  • a cleaning process can be initiated automatically, namely as soon as it has been detected via the cooking process sensor 17 "that no food item 5" is arranged in the cooking space.
  • a cleaning device 22 is specifically actuated via the regulating device 20 'Both during the cooking process and during the cleaning process, the respective stage of the process can be displayed via the display device 25", including the detected type of food or the degree of soiling.
  • On the display device 25 but can also be communicated to an operator automatically, whether water, detergent or the like can be refilled.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electric Ovens (AREA)
  • Electric Stoves And Ranges (AREA)

Description

Die vorliegende Erfindung betrifft ein Gargerät mit einem Garraum, der über eine Garraumtür oder einen Luftvorhang verschließbar ist, einer Steuer- oder Regeleinrichtung, die mit zumindest einer Meßeinrichtung zum Führen zumindest eines Garprozesses im Garraum zumindest über eine Heizeinrichtung und/oder zum Führen zumindest eines Reinigungsprozesses im Garraum zumindest über eine Reinigungseinrichtung zusammenwirkt, und einer Schalteinrichtung.The present invention relates to a cooking appliance with a cooking chamber, which can be closed by a cooking chamber door or an air curtain, a control or regulating device with at least one measuring device for guiding at least one cooking process in the oven at least over a heater and / or for guiding at least one cleaning process in the cooking chamber at least cooperates via a cleaning device, and a switching device.

Solche Gargeräte sind im Stand der Technik, beispielsweise aus der US 3,745,988 in Form eines selbstreinigenden Ofens oder aus der US 5,362,946 in Form eines Gargerätes, bei dem in Abhängigkeit von der Erfassung eines Zubehörs in einem Garraum automatisch ein Garverfahren initiierbar ist, gut bekannt. Mit den bekannten Gargeräten lassen sich erwünschte Garergebnisse jedoch nur dann mit gleichbleibender, hoher Qualität erhalten, wenn sie von Fachkräften bedient werden. Zwar sind schon einige Anstrengungen in Richtung einer Automatisierung eines Garprozesses unternommen worden, jedoch muß noch stets eine Vielzahl von Parametern bzw. Informationen von einer Bedienperson in das Gargerät eingegeben werden, bevor dieses ein automatisches Garen durchführen kann. Auch zum Durchführen geeigneter Reinigungsprozesse ist noch stets das Zwischenschalten menschlicher Verstandsfähigkeit vonnöten, was zu Bedienfehlern führen kann.Such cooking appliances are in the prior art, for example from the US 3,745,988 in the form of a self-cleaning oven or from the US 5,362,946 in the form of a cooking appliance, in which, depending on the detection of an accessory in a cooking chamber, a cooking process is automatically initiated, well known. With the known cooking appliances, however, desired cooking results can only be obtained with consistent, high quality if they are operated by skilled workers. While some efforts have been made to automate a cooking process, a variety of parameters or information must still be input by an operator into the cooking appliance before it can perform automatic cooking. Also for performing suitable cleaning processes is still always the interposition of human understanding required, which can lead to operator error.

Einerseits ist in der WO 2004/062372 A2 beschrieben, daß sich mit Hilfe einer Clusteranalyse Garverfahren trotz ihrer hochkomplexen Sachzusammenhänge verdichten, typisieren, profilieren und mathematisch eindeutig kennzeichnen sowie beschreiben lassen, so daß sich das Führen eines Garprozesses auf wenige, zu definierende Schlüsselgrößen reduzieren läßt. Andererseits ist es aus der EP 1 022 972 B1 bekannt, daß sich durch das Heranziehen des zeitlichen Verhaltens von Meßgrößen, welche sich während eines Garprozesses ändernde Eigenschaften des Garguts betreffen, die Menge und insbesondere die Dicke eines Garguts bei der Führung eines Garprozesses berücksichtigen lassen, ohne daß dieselben direkt gemessen oder in das Gargerät eingegeben werden müssen.On the one hand is in the WO 2004/062372 A2 described that, with the help of a cluster analysis, cooking processes, despite their highly complex contexts, can be compacted, typed, profiled and mathematically clearly identified and described so that the running of a cooking process can be reduced to a few key variables to be defined. On the other hand it is from the EP 1 022 972 B1 It is known that, by taking into account the temporal behavior of measured variables which relate to changing properties of the food during a cooking process, the quantity and in particular the thickness of a food can be taken into account in the course of a cooking process without being directly measured or entered into the cooking appliance Need to become.

Ein automatisiertes Garverfahren, bei dem zuerst eine Gargutart bestimmt und in Abhängigkeit von der bestimmten Gargutart ein Garprogramm durchgeführt wird, ist aus der JP 05-018539 A sowie auch der US 5,352,867 bekannt. Die WO 00/49838 offenbart ein intelligentes Gargerät, bei dem Informationen auf einer Gargutverpackung zum Führen eines Garprogrammes auswertbar sind.An automated cooking method in which a Gargutart first determined and depending on the particular Gargutart a cooking program is performed, is known from JP 05-018539 A and also US 5,352,867. WO 00/49838 discloses an intelligent cooking appliance in which information can be evaluated on a food package for guiding a cooking program.

Es sind auch schon Schritte zur Automatisierung eines Reinigungsprozesses unternommen worden, wie beispielsweise in der DE 199 61 835C2 beschrieben. Danach wird aus einem Garraum abfließendes Reinigungswasser zumindest zum Teil wiederverwendet und ein Reinigungskreislauf über eine spezielle Sensorik automatisch gesteuert. Zudem ist ein Herd mit sensorgesteuertem Pyrolysestart aus der DE 41 27 388 A1 sowie ein Backofen mit katalytisch selbst reinigender Beschichtung aus der DE 26 57 668 A1 bekannt.Steps have already been taken to automate a cleaning process, such as in the DE 199 61 835C2 described. Thereafter, from a cooking chamber effluent cleaning water is at least partially reused and automatically controlled a cleaning circuit via a special sensor. In addition, a stove with sensor-controlled Pyrolysestart from the DE 41 27 388 A1 and an oven with catalytic self-cleaning coating from the DE 26 57 668 A1 known.

Spezielle Meßeinrichtungen, die einem Automatisieren eines Garprozesses dienen, sind ebenfalls bereits entwickelt worden. So ist es beispielsweise aus der DE 199 45 021 A1 bekannt, über einen Garprozeßfühler, der zumindest teilweise in ein Gargut einsteckbar ist, zumindest eine spezifische Gargut- und/oder Gargerätegröße zur Garprozeßsteuerung zu bestimmen. Als Gargutgröße sind dort explizit die Kerntemperatur des Garguts, die Plazierung des Garprozeßfühlers im Gargut, der Durchmesser des Garguts, die Dichte des Garguts, die Gargutart, der Reifegrad des Garguts, der pH-Wert des Garguts, die Konsistenz des Garguts, der Lagerungszustand des Garguts, der Geruch des Garguts, der Geschmack des Garguts, die Qualität des Garguts, die Bräunung des Garguts, die Krustenbildung des Garguts, der Vitaminabbau des Garguts, die Entstehung kanzerogener Substanzen im Gargut, die Hygiene des Garguts und/oder die Wärmeleitfähigkeit des Garguts beschrieben. Wie man erkennen kann, ob solch ein Garprozeßfühler tatsächlich in einem Gargut plaziert ist, so daß nur bei erkannter Stechung des Garprozeßfühlers ein Normalbetrieb eines Garprozesses fortgeführt wird, unter Ausgleichung einer möglichen Fehlstechung, ist beispielsweise in der DE 100 61 821 C2 beschrieben. Ein Verfahren zur Erkennung einer unsachgemäßen Anwendung eines Garprozeßfühlers ist auch aus der DE 102 11 643 A1 bekannt. Ferner ist im Rahmen der WO 2004/109246 A1 beschrieben, wie insbesondere die Temperaturleitzahl und/oder die spezifische Wärmeleitzahl eines Garguts über einen Garprozeßfühler erfaßt werden kann bzw. können. Die DE 101 09 246 C1 lehrt zudem, wie die Farbe im Inneren eines Garguts über die Erfassung elektromagnetischer Strahlung erkannt und zur Garprozeßsteuerung herangezogen werden kann. In der DE 101 09 252 C2 ist noch die Auswertung von Schallwellen in einem Gargut insbesondere zur Bestimmung der Konsistenz desselben beschrieben, die auch zur Garprozeßsteuerung herangezogen werden kann.Special measuring devices which serve to automate a cooking process have also already been developed. So it is for example from the DE 199 45 021 A1 known, via a cooking process sensor, which is at least partially inserted into a food to be determined at least one specific Gargut- and / or cooking appliance size for Garprozeßsteuerung. As Gargutgröße are there explicitly the core temperature of the food, the placement of Garprozeßfühlers in the food, the diameter of the food, the density of the food, the Gargutart, the degree of maturation of the food, the pH of the food, the consistency of the food, the storage state of the Garguts, the smell of the food, the taste of the food, the quality of the food, the browning of the food, the crusting of the food, the vitamin degradation of the food, the formation of carcinogenic substances in the food, the hygiene of the food and / or the thermal conductivity of the food described. How to recognize whether such a cooking process sensor is actually placed in a food, so that only when detected lancing of the cooking process sensor normal operation of a cooking process is continued, with the adjustment of a possible Fehlstechung, is for example in the DE 100 61 821 C2 described. A method for detecting improper use of a Garprozeßfühlers is also from the DE 102 11 643 A1 known. Furthermore, under the WO 2004/109246 A1 describes how in particular the temperature and / or the specific coefficient of thermal conductivity of a food can be detected via a cooking process sensor or can. The DE 101 09 246 C1 also teaches how the color inside a food can be detected by the detection of electromagnetic radiation and used for cooking process control. In the DE 101 09 252 C2 is still the evaluation of sound waves in a food to be described in particular for determining the consistency of the same, which can also be used for cooking process control.

Alternativ oder in Ergänzung zu Garprozeßfühlern, die in ein Gargerät einzustechen sind, ist auch eine Vielzahl weiterer Meßeinrichtungen im Stand der Technik zur Erfassung spezifischer Gargutgrößen bekannt. So offenbart beispielsweise die DE 101 14 080 C1 die Erfassung des pH-Werts, der elektrischen Leitfähigkeit, des optischen Verhaltens, des spektroskopischen Verhaltens, des Geruchs und/oder des Verhaltens bei Einwirkung von Enzymen von aus einem Gargut während eines Garens austretenden organischen, flüssigen Substanzen zur Regelung eines Garprozesses und/oder Reinigungsprozesses. In der nicht vorveröffentlichten DE 10 2004 062 737 .1-34 ist ein Schnüffelsensor zur Detektion der Atmosphäre beispielsweise des Garinnenraums bekannt, in Abhängigkeit dessen Ausgabewerte ein Steuersystem Garprozesse ansteuert. In der ebenfalls nicht vorveröffentlichten DE 10 2005 046 716.4 ist beschrieben, wie über eine Infrarotmeßeinrichtung die Position eines Garguts in einem Garraum zur gezielten Beaufschlagung desselben mit Wärme, Kälte, Dampf, einem Gas, einer Flüssigkeit, einem Festkörper, elektromagnetischer Strahlung, einem elektrischen Feld und/oder einem magnetischen Feld zwecks Automatisierung eines Garprozesses erfaßbar ist.Alternatively or in addition to cooking process sensors that are to stab in a cooking appliance, a variety of other measuring devices in the prior art for detecting specific Gargutgrößen is also known. For example, the DE 101 14 080 C1 the detection of the pH value, the electrical conductivity, the optical behavior, the spectroscopic behavior, the odor and / or the behavior upon the action of enzymes of organic liquid substances emerging from a food during cooking for controlling a cooking process and / or cleaning process , In the not pre-published DE 10 2004 062 737 .1-34 is a sniffer sensor for detecting the atmosphere, for example, the Garinnenraums known, depending on output values controls a control system cooking processes. In the also not pre-published DE 10 2005 046 716.4 is described, How about an infrared measuring device, the position of a food in a cooking chamber for targeted exposure of the same with heat, cold, steam, a gas, a liquid, a solid, electromagnetic radiation, an electric field and / or a magnetic field for the purpose of automating a cooking process can be detected.

Im Fall der Automatisierung eines Garprozesses dient die Erfassung des Aufstellungsortes und/oder Aufstellungshöhe des Gargeräts der Einstellung vorgegebener Garprogramme und interner Parameter, wie im Rahmen der DE 103 01 526 B3 beschrieben.In the case of automation of a cooking process, the detection of the installation site and / or installation height of the cooking appliance is used to set predetermined cooking programs and internal parameters, as in the context of DE 103 01 526 B3 described.

Ferner ist es für ein Automatisieren von Garprozessen in Gargeräten, deren Garraum mit einer Garraumtür verschließbar ist, unerläßlich, den Öffnungsgrad der Garraumtür und die Zeitdauer der Öffnung derselben beim Führen des Garprozesses automatisch zu berücksichtigen, wie im Rahmen der nicht vorveröffentlichten DE 10 2005 020 744 .8 beschrieben. Dabei soll im folgenden von der Beschreibung eines Garraums, der von einer Tür verschließbar ist, auch ein Tiegel, der mit einem Deckel verschließbar ist, umfaßt sein.Furthermore, for automating cooking processes in cooking appliances whose cooking chamber is closable with a cooking chamber door, it is essential to automatically take into account the degree of opening of the cooking chamber door and the opening time of the cooking process, as in the context of the non-prepublished DE 10 2005 020 744 .8 described. It should be in the following of the description of a cooking chamber, which is closed by a door, and a crucible, which can be closed with a lid, be included.

Bei einem zumindest teilweise automatisierten Gargerät werden nicht nur weniger qualifizierte Bedienpersonen benötigt, sondern sie sollten sich zudem während eines Garprozesses dem Gargerät nicht nähern, insbesondere dasselbe nicht betätigen. Um dies zu vermeiden, kann ein Verfahren gemäß der DE 101 22 402 B4 eingesetzt werden.In an at least partially automated cooking appliance not only less qualified operators are needed, but they should also not approach the cooking appliance during a cooking process, in particular not operate the same. To avoid this, a method according to the DE 101 22 402 B4 be used.

Eine Automatisierung eines Garprozesses oder Reinigungsprozesses sollte zudem unter Energieeinsparung realisiert werden, wobei hier insbesondere auf Speichereinrichtungen zu verweisen ist, wie sie bspw. in der EP 1 092 115 B1 beschrieben sind.An automation of a cooking process or cleaning process should also be realized with energy savings, in which case reference should be made in particular to storage facilities, as for example. In the EP 1 092 115 B1 are described.

Trotz der großen Vielzahl der zuvor beschriebenen Entwicklungen in Richtung einer Automatisierung eines Garprozesses und/oder Reinigungsprozesses, die sämtlich auf die Anmelderin zurückgehen, ist eine komplette Automatisierung eines Gargeräts bislang unbekannt.Despite the large number of developments described above in the direction of automation of a cooking process and / or cleaning process, all of which date to the Applicant, a complete automation of a cooking appliance is hitherto unknown.

Aufgabe der vorliegenden Erfindung ist es daher, ein Gargerät zum komplett automatischen Garen und/oder Reinigen zu liefern.Object of the present invention is therefore to provide a cooking appliance for completely automatic cooking and / or cleaning.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale von Anspruch 1 gelöst.This object is achieved by the features of claim 1.

Bevorzugte erfindungsgemäße Gargeräte sind in den Ansprüchen 2 bis 9 beschrieben.Preferred cooking devices according to the invention are described in claims 2 to 9.

Der vorliegenden Erfindung liegt die Erkenntnis zugrunde, daß erwünschte Garergebnisse reproduzierbar von völlig ungeübten Bedienpersonen eines Gargeräts nur dann sichergestellt werden können, wenn die Bedienpersonen nur Gargut in das Gargerät einzubringen haben und anschließend der Garvorgang komplett automatisch durchgeführt wird.The present invention is based on the finding that desired cooking results can be reproducibly ensured by completely inexperienced operators of a cooking appliance only if the operators only have to bring food into the cooking appliance and then the cooking process is carried out completely automatically.

Zum anderen liegt der Erfindung die Erkenntnis zugrunde, daß eine erwünschte Garraumreinigung von völlig ungeübten Bedienpersonen eines Gargeräts nur dann sichergestellt werden kann, wenn die Bedienperson nur auf Anfrage des Gargeräts Reinigungsmitteln nachzufüllen hat.On the other hand, the invention is based on the finding that a desired cooking chamber cleaning of completely inexperienced operators of a cooking appliance can only be ensured if the operator only has to refill cleaning agents at the request of the cooking appliance.

Hierzu kann vorgesehen sein, daß eine Reinigungseinrichtung des erfindungsgemäßen Gargeräts eine Einrichtung zum, vorzugsweise dosierten, Spenden zumindest eines Reinigungsmittels, Klarspülmittels und/oder Entkalkungsmittels umfaßt. Dabei kann eine Meßeinrichtung vorgesehen sein, die zur Erfassung des Füllstands einer Beschwadungseinrichtung einer Dampferzeugungseinrichtung, einer Kühleinrichtung und/oder einer Spendeeinrichtung der Reinigungseinrichtung, vorzugsweise über zumindest einen Füllstandssensor und/oder Gewichtssensor, geeignet ist.For this purpose, it can be provided that a cleaning device of the cooking appliance according to the invention comprises a device for, preferably metered, donations of at least one cleaning agent, rinse aid and / or descaling agent. In this case, a measuring device may be provided which is suitable for detecting the level of a Beschwadungseinrichtung a steam generating device, a cooling device and / or a dispensing device of the cleaning device, preferably via at least one level sensor and / or weight sensor.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden, beispielhaften Beschreibung dreier Ausführungsformen derselben anhand einer schematischen Zeichnung. Dabei zeigt:

Figur 1
eine Vorderansicht eines nicht erfindungsgemäßen Gargeräts;
Figur 2
eine Schnittansicht durch ein erfindungsgemäßes Gargerät; und
Figur 3
die Vernetzung einer Regeleinrichtung eines weitern erfindungsgemäßen Gargeräts mit weiteren Komponenten des letzteren.
Further features and advantages of the invention will become apparent from the following, exemplary description of three embodiments thereof with reference to a schematic drawing. Showing:
FIG. 1
a front view of a cooking device not according to the invention;
FIG. 2
a sectional view through a cooking appliance according to the invention; and
FIG. 3
the networking of a control device of a further cooking appliance according to the invention with other components of the latter.

Figur 1 zeigt somit ein Gargerät 1 mit einer Garraumtür 2, das lediglich ein einziges Betätigungselement in Form eines Ein-/Aus-Schalters 3 umfaßt. Eine Bedienperson des nicht erfindungsgemäßen Gargeräts 1 muß nur die Garraumtür 2 zum Einbringen von nicht dargestelltem Gargut in einen nicht dargestellten Garraum öffnen, das Gargut im Garraum plazieren, die Garrraumtür 2 schließen und das Gargerät 1 über den Ein-/Aus-Schalter 3 einschalten. Sodann wird unter Einsatz einer Regeleinrichtung (nicht dargestellt) in Wirkverbindung mit einer Meßeinrichtung (nicht dargestellt) und einer Speichereinrichtung (nicht dargestellt) eine Heizeinrichtung (nicht dargestellt) und/oder eine Dampferzeugungseinrichtung (nicht dargestellt) betätigt, um einen Garprozeß automatisch zu führen. Dabei wird das Gargut automatisch erkannt, so daß dann der Garprozeß entweder in Abhängigkeit von voreingestellten Parametern oder nach in einer Speichereinrichtung der Regeleinrichtung hinterlegten Garprofilen geführt werden kann. Zu diesem Zwecke kann beispielsweise ein Cluster-Verfahren zum Einsatz kommen, wie es aus der WO 2004/62372 A2 bekannt ist. FIG. 1 Thus, shows a cooking appliance 1 with a cooking chamber door 2, which includes only a single actuator in the form of an on / off switch 3. An operator of cooking appliance not according to the invention 1 only has to open the cooking chamber door 2 for introducing not shown Gargut in a cooking chamber, not shown, place the food in the oven, close the Garrraumtür 2 and turn on the cooking appliance 1 via the on / off switch 3. Then, using a control device (not shown) in operative connection with a measuring device (not shown) and a storage device (not shown), a heater (not shown) and / or a steam generating device (not shown) is actuated to automatically a cooking process to to lead. In this case, the food is automatically detected, so that then the cooking process can be performed either depending on preset parameters or stored in a storage device of the control Gar profiles. For this purpose, for example, a cluster method can be used, as it is known from the WO 2004/62372 A2 is known.

Das erfindungsgemäße Gargerät 1' gemäß Figur 2 unterscheidet sich von der Gargeräteausführung 1 gemäß Figur 1 insbesondere dadurch, daß kein Betätigungselement vorgesehen ist und anstelle einer Garraumtür 2 ein Luftvorhang 2' vorgesehen ist. Genauer gesagt ist in einem Garraum 10' ein Luftleitglied 11' zur Abtrennung eines Gebläseraums 12' angeordnet, in dem ein Gebläserad 13' und um dieses herumgewickelte Heizwendel 14' angeordnet sind, wobei das Gebläserad 13' Luft auch gezielt zu einer Vielzahl von parallelen Luftdüsen 15' führt, denen jeweils eine Luftansaugöffnung 16' gegenüberliegt, so daß zwischen den Luftdüsen 15 und den Luftansaugöffnungen 16 wahlweise ein Luftvorhang 2' zum Verschließen des Garraums 10' erzeugbar ist. Im Garraum 10' ist zudem ein Infrarotsensor 17' angeordnet, über den die Anordnung eines Garguts (nicht gezeigt) im Garraum 10', selbst die Position solch eines Garguts im Garraum 10', erfaßbar ist, wie beispielsweise im Rahmen der DE 10 2005 046 716.4 beschrieben, um unmittelbar nach Erfassung eines Garguts in dem Garraum 10' automatisch denselben über den Luftvorhang 2' zu schließen und einen Garprozeß einzuleiten, bei dem das Gargut gezielt mit Wärme und/oder Dampf beaufschlagbar ist, wiederum auf der Grundlage eines Cluster-Verfahrens gemäß der WO 2004/62372 A2 .The cooking appliance 1 'according to the invention FIG. 2 differs from the cooking appliance 1 according to FIG. 1 in particular the fact that no actuating element is provided and instead of a cooking chamber door 2, an air curtain 2 'is provided. More specifically, in a cooking chamber 10 'an air guide member 11' for separating a fan chamber 12 'is arranged, in which an impeller 13' and wound around this Heizwendel 14 'are arranged, the impeller 13' air also targeted to a plurality of parallel air nozzles 15 'leads, which in each case an air intake opening 16' is opposite, so that between the air nozzles 15 and the air intake openings 16 optionally an air curtain 2 'for closing the cooking chamber 10' can be generated. In the cooking chamber 10 ', an infrared sensor 17' is also arranged, via which the arrangement of a food (not shown) in the cooking chamber 10 ', even the position of such a food in the cooking chamber 10', can be detected, such as in the context of DE 10 2005 046 716.4 described immediately after detection of a food in the cooking chamber 10 'automatically close the same about the air curtain 2' and initiate a cooking process in which the food is specifically acted upon by heat and / or steam, again on the basis of a cluster method according to of the WO 2004/62372 A2 ,

Gemäß Figur 3 kann in einem weiteren erfindungsgemäßen Gargerät (nicht gezeigt) auch ein Garprozeßfühler 17" zum Einsatz kommen, und zwar sowohl zur Erfassung eines Garguts 5" in einem Garraum als auch zur Erfassung von spezifischen Gargutgrößen des Garguts 5". Sobald also über den Garprozeßfühler 17" die Anordnung eines Garguts 5", in das er zumindest teilweise eingeführt ist, in dem Garraum erfaßt worden ist, beispielsweise auf der Grundlage des Offenbarungsgehalt der DE 100 61 821 C2 , wird automatisch ein Garprozeß gestartet. Ein Betätigungselement als Bestandteil einer Schalteinrichtung ist somit nicht vonnöten. Vielmehr wird eine Schalteinrichtung von dem Garprozeßfühler 17" bereitgestellt. Mittels über den Garprozeßfühler 17" erfaßter Gargutgrößen wird zudem der Garprozeß automatisch geführt, wie beispielsweise im Rahmen der DE 199 45 021 A1 beschrieben. Bei dieser Garprozeßführung werden also über eine Regeleinrichtung 20', die die Ausgabedaten des Garprozeßfühlers 17" empfängt und auswertet, ein Dampfgenerator 21", ein Gebläserad 23", eine Heizeinrichtung 24" und eine Anzeigeeinrichtung 25" angesteuert. Während eines Garprozesses kann somit gezielt das Gargut 5" mit Wärme und/oder Dampf beaufschlagt werden. In Abhängigkeit von dem Garprozeß kann zudem, im Anschluß an ein Garverfahren, ein Reinigungsverfahren automatisch initiiert werden, nämlich sobald über den Garprozeßfühler 17" erfaßt worden ist, daß kein Gargut 5" im Garraum angeordnet ist. Sodann wird über die Regeleinrichtung 20' gezielt eine Reinigungseinrichtung 22" angesteuert. Sowohl während des Garprozesses als auch des Reinigungsprozesses kann über die Anzeigeeinrichtung 25" das jeweilige Stadium des Prozesses angezeigt werden, einschließlich der erfaßten Gargutart oder des zugrunde gelegten Verschmutzungsgrads. Über die Anzeigeeinrichtung 25" kann aber auch einer Bedienperson automatisch mitgeteilt werden, ob Wasser, Reinigungsmittel oder dergleichen nachzufüllen ist.According to FIG. 3 In a further cooking appliance according to the invention (not shown), a cooking process sensor 17 "can also be used both for detecting a food item 5" in a cooking chamber and for detecting specific cooking product sizes of the food item 5 ". the arrangement of a food 5 ", in which it is at least partially introduced, has been detected in the oven, for example, on the basis of the disclosure of the DE 100 61 821 C2 , a cooking process is started automatically. An actuating element as part of a switching device is therefore not necessary. Rather, a switching device is provided by the cooking process sensor 17 "by means of the cooking process sensor 17" detected Gargutgrößen is also the Cooking process automatically performed, such as in the context of DE 199 45 021 A1 described. In this cooking process guide, a steam generator 21 ", an impeller 23", a heating device 24 "and a display device 25" are thus activated via a control device 20 ', which receives and evaluates the output data of the cooking process sensor 17 " Gargut 5 "be subjected to heat and / or steam. In addition, depending on the cooking process, following a cooking process, a cleaning process can be initiated automatically, namely as soon as it has been detected via the cooking process sensor 17 "that no food item 5" is arranged in the cooking space. Then, a cleaning device 22 "is specifically actuated via the regulating device 20 'Both during the cooking process and during the cleaning process, the respective stage of the process can be displayed via the display device 25", including the detected type of food or the degree of soiling. On the display device 25 "but can also be communicated to an operator automatically, whether water, detergent or the like can be refilled.

Die in der voranstehenden Beschreibung, in den Ansprüchen sowie in der Zeichnung offenbarten Merkmale der Erfindung können sowohl einzeln als auch in jeder beliebigen Kombination für die Verwirklichung der Erfindung in ihren verschiedenen Ausführungsformen wesentlich sein.The features of the invention disclosed in the foregoing description, in the claims and in the drawing may be essential both individually and in any combination for the realization of the invention in its various embodiments.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1,1'1,1 '
GargerätCooking appliance
22
Garraumtüroven door
2'2 '
Luftvorhangair curtain
33
Schalteinrichtungswitching device
5"5 '
Gargutbe cooked
10'10 '
Garraumoven
11'11 '
Luftleitgliedair guide
12'12 '
Gebläseraumblower room
13'13 '
Gebläseradblower
14'14 '
Heizwendelheating coil
15'15 '
Luftdüseair nozzle
16'16 '
Luftansaugöffnungair intake opening
17'17 '
IR-SensorIR sensor
17"17 "
Garprozeßfühlercooking process
20"20 "
Regeleinrichtungcontrol device
21"21 "
Dampfgeneratorsteam generator
22"22 "
Reinigungseinrichtungcleaning device
23"23 "
Gebläseradblower
24"24 "
Heizeinrichtungheater
25"25 "
Anzeigeeinrichtungdisplay

Claims (9)

  1. Cooking appliance (1') comprising a cooking chamber (10') which can be closed by means of a cooking-chamber door or an air curtain (2'), an open-loop or closed-loop control device (20") which interacts with at least one measuring device (17', 17") for conducting at least one cooking process in the cooking chamber (10') at least by means of a heating device (14') and/or for conducting at least one cleaning process in the cooking chamber (10') at least by means of a cleaning device (22"), and a switching device, with
    the open-loop or closed-loop control device (22") being operatively connected to
    - at least one sensing device (17', 17") for detecting the introduction of Products (5") to be cooked into the cooking chamber (10') and/or the arrangement of products (5") to be cooked in the cooking chamber (10') and/or the removal of products (5") which have been cooked from the cooking chamber (10')
    - and the switching device in such a way that a cooking process or a cleaning process can be automatically initiated and conducted, with
    the switching device not comprising an operating element for an operator.
  2. Cooking appliance according to Claim 1, characterized in that the switching device can be actuated by the sensing device (17', 17").
  3. Cooking appliance according to Claim 1 or 2, characterized in that the sensing device (17', 17") comprises at least one door-contact sensor, and/or a light barrier and/or a motion sensor and/or an infrared sensor (17') and/or a capacitive sensor and/or a weight sensor and/or a conductivity sensor and/or a microwave absorption-measuring device and/or a sound-measuring device and/or a smell sensor and/or a cooking-process probe (17") which, in particular, can be inserted at least partially into the product (5) being cooked, for detecting at least one specific variable of the product being cooked.
  4. Cooking appliance according to one of the preceding claims, characterized in that the measuring device (17', 17") is suitable for detecting
    - the type of product being cooked and/or the size of product being cooked, in particular by means of odour detection, preferably by means of at least one smell sensor,
    - and/or size detection, preferably by means of at least one infrared sensor,
    - and/or colour detection, preferably by means of detecting electromagnetic radiation,
    - and/or barcode detection, preferably by means of at least one infrared sensor,
    - and/or sound detection and/or consistency detection, preferably by means of at least one ultrasound transmitter and/or an ultrasound detector and/or a strain gauge and/or a spring device,
    - and/or resistance detection, preferably by means of at least one electrode,
    - and/or pH detection, preferably by means of a thermocouple and a timer,
    - and/or a cooking-process probe which is designed to determine the core temperature and/or the density and/or the degree of maturity and/or the storage state and/or the taste and/or the quality and/or the browning and/or the crust formation and/or the vitamin depletion and/or the production of carcinogenic substances and/or the hygiene and/or the pH and/or the visual behaviour and/or the spectroscopic behaviour and/or the behaviour when acted on by enzymes and/or the coefficient of thermal conductivity and/or the specific heat coefficient.
  5. Cooking appliance according to one of the preceding claims, characterized in that the measuring device is suitable for detecting
    - the degree of soiling at least of the cooking chamber, in particular by means of detecting the degree to which a cooking-chamber wall is covered by a deposit, preferably by means of at least one infrared sensor and/or a sound sensor and/or an electrode and/or a resistance sensor,
    - and/or the soiling of substances flowing out of the cooking chamber, preferably into a condenser, for example by means of determining the pH or conductivity.
  6. Cooking appliance according to one of the preceding claims, characterized in that the open-loop or closed-loop control device interacts with
    - a first memory device for storing measurement data detected by means of the measuring device and/or the sensing device and/or for storing variables determined from the said measurement data
    - and/or with a second memory device for downloading cooking programs and/or cooking parameters and/or cooking profiles for conducting a cooking process, or for downloading cleaning programs and/or cleaning parameters and/or cleaning profiles for conducting the cleaning process, with
    the first memory device preferably being directly connected to the cooking appliance and the second memory device preferably being connected to the cooking appliance via the Internet.
  7. Cooking appliance according to one of the preceding claims, characterized in that the open-loop or closed-loop control device (20") and the measuring device (17', 17") and/or the sensing device (17', 17") and/or the first memory device are of integral design, preferably integrated in a cooking-process probe (17") which, in particular, can be inserted at least partially into the product (5") being cooked.
  8. Cooking appliance according to one of the preceding claims, characterized in that the measuring device and the sensing device are at least partially integrated in a cooking-process probe (17) which, in particular, can be inserted at least partially into the product (5") being cooked.
  9. Cooking appliance according to one of the preceding claims, characterized by a fan device (13', 23") and/or a steam-treatment device and/or a steam-generating device (21") and/or a cooling device and/or a display device (25") and/or an output device and/or a cleaning device (22") and/or an energy-storage device in operative connection with the open-loop or closed-loop control device (20").
EP05026372.2A 2004-12-03 2005-12-02 Cooking device for fully automatic cooking and/or cleaning Active EP1666798B2 (en)

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EP1956301B1 (en) 2007-02-08 2009-11-04 Rational AG Method for guiding a cooking process
DE102007046923A1 (en) 2007-09-28 2009-04-23 Rational Ag Method for simplified programming of programs of a cooking appliance and cooking appliance for carrying out such a method
EP2159488A1 (en) * 2008-08-25 2010-03-03 Rational AG Method for intelligent warning signal emission for cooking devices
EP2163823B1 (en) * 2008-09-11 2012-06-27 Topinox Sarl Cooking sensor for a cooking device
DE102008051024A1 (en) 2008-10-13 2010-04-15 Convotherm Elektrogeräte GmbH Gas appliance, particularly industrial hot air damper for fully automatic cooking of cooking products, has control front and emergency pushbutton, where readiness mode is activated by person detection sensor
DE102014112114A1 (en) * 2014-07-30 2016-02-04 Vorwerk & Co. Interholding Gmbh Electric kitchen appliance
DE102020111031A1 (en) 2020-04-23 2021-08-05 Miele & Cie. Kg Cooking device for preparing food and a method for operating such a cooking device
IT202100002894A1 (en) 2021-02-10 2022-08-10 Ali Group S R L "A FLOOR-MOUNTED OVEN, OF THE TYPE FOR COOKING FOOD IN COLLECTIVE CATERING, WITH A SYSTEM AND DEVICE TO CONTROL THE INTRODUCTION, RETENTION AND EXTRACTION OF THE TRAY-HOLDER TROLLEY"

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EP1666798A3 (en) 2006-07-26
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DE502005002096D1 (en) 2008-01-10
DE202004018718U1 (en) 2006-04-13

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