EP0788292A1 - Cooker hob having automatic control of cooking process - Google Patents

Cooker hob having automatic control of cooking process Download PDF

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Publication number
EP0788292A1
EP0788292A1 EP96108142A EP96108142A EP0788292A1 EP 0788292 A1 EP0788292 A1 EP 0788292A1 EP 96108142 A EP96108142 A EP 96108142A EP 96108142 A EP96108142 A EP 96108142A EP 0788292 A1 EP0788292 A1 EP 0788292A1
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EP
European Patent Office
Prior art keywords
cooking
regulating
control panel
food
control device
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Granted
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EP96108142A
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German (de)
French (fr)
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EP0788292B1 (en
Inventor
Jürgen Dipl.-Ing. Luther
Jürgen Dipl.-Ing. Leikam
Richard Dipl.-Oec. Turek
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AEG Hausgeraete GmbH
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AEG Hausgeraete GmbH
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Priority to EP19960108142 priority Critical patent/EP0788292B1/en
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    • 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

Definitions

  • the invention relates to a hob with the features of the preamble of claim 1.
  • cooking hobs it is known to adjust the heating power of the heating element for a hotplate manually, for example with the aid of toggles, to different cooking parameters desired or required.
  • the cooking parameters are, for example, different types of cooking (heating, cooking, roasting, steaming etc.) or different cooking intensities (weak cooking, strong cooking etc.).
  • a disadvantage of the known cooking hobs is that their controls only allow insufficient adjustment of the heating output to different cooking parameters.
  • the known operating elements only allow the selection of a certain power level (eg 1-3, 1-9). There is no reduction in the heating power supply. A user must therefore constantly monitor the cooking process. More convenient controls allow time-controlled parboiling or searing phases of a cooking process. Regardless of whether the food is cooking in this first phase of the cooking process or not, in this system the power supply is reduced after a fixed period of time. The user must therefore again carefully monitor the proper course of the cooking process.
  • the invention has for its object to make a hob of the type mentioned in more detail user-friendly. This object is achieved by the combination of features of claim 1.
  • the cooking process is regulated automatically. This enables convenient operation of the hob simply by choosing a certain cooking size, for example a certain type of cooking.
  • a control panel is arranged on the hob. By pressing the control panel, the user selects a first cooking parameter, e.g.
  • the control panel is coupled to a regulating or control device which monitors the temperature of the hotplate and controls the heating element for regulating the temperature of the hotplate, so that the regulating or control device receives the selected cooking parameter as a signal.
  • each cooking parameter simultaneously has a predetermined temperature or a predetermined temperature range for the hotplate is assigned, the user reaches the target of the selected cooking parameter without further checks of the food to be cooked or manual control of the heating output. Since the regulating or control device constantly compares the current hotplate temperature with the temperature range or temperature corresponding to the cooking parameter, the entire cooking process or a single cooking phase is automatically concluded with the cooking hob according to the invention solely by electronics of the regulating or control device.
  • the automatic control of the cooking process can be further simplified according to the invention by adding an additional cooking parameter, e.g. the cooking time is also assigned. In this way nonsensical combinations of several consecutively selected cooking parameters can be avoided.
  • several cooking phases can be coordinated with one another with improved timing. As a result, the entire cooking process is optimized in terms of time and energy consumption. This also enables the quality of the food itself to be improved.
  • the embodiment of the invention according to claim 2 further simplifies the automatic control of the cooking process.
  • a name corresponding to the food to be cooked in particular the name of the food to be cooked and the type of cooking, is entered in the control panel, for example Vegetables "and The corresponding predetermined cooking intensity is stored in the regulating or control device and is automatically assigned to the selected cooking parameters, as a result of which the cooking process is regulated fully automatically.
  • Claim 3 relates to a further measure to simplify the automatic control of the cooking process. Only the name of the food to be cooked is used as the cooking parameter, e.g. The selection of further cooking parameters by the user is superfluous, since the selected name already stores a predetermined type of cooking, cooking intensity and, if necessary, cooking time as additional cooking parameters in the regulating or control device and is assigned to the selected cooking parameter after entering the name of the food to be cooked, a fully automatic control of the entire cooking process.
  • Claim 4 enables a large number of stored combinations of selected cooking parameters and these additional cooking parameters assigned by the regulating or control device. In this way, the hob is suitable for a large number of different cooking processes and different items to be cooked.
  • the operation of the control panel is further simplified. Operating errors are avoided.
  • the selected cooking parameter is optically displayed either in plain text or as a symbol by a display device.
  • Claims 6 and 7 support a technically simple structure and simple handling of the control panel.
  • the measure according to claim 8 avoids incorrect settings or an incorrect selection of cooking parameters, as is disadvantageous in conventional, e.g. trained as a gag actuators is the case.
  • the measure according to claim 9 additionally supports the convenient operation of the hob.
  • the end of the cooking phase Sear is displayed so that he can, for example, put his steak in the pan or pour French fries into a fryer at the right time.
  • the end of the entire cooking process is indicated to the user, as a result of which the food does not cool down unnecessarily.
  • the hob 1 made of glass ceramic, shown schematically in FIG. 1, has a heating element 3 that heats its hotplate 2, a sensor 4 that measures the hotplate temperature, and a regulating or control device 5 that receives and processes the sensor signals.
  • a heating element 3 that heats its hotplate 2
  • a sensor 4 that measures the hotplate temperature
  • a regulating or control device 5 that receives and processes the sensor signals.
  • the heating power of the radiator 3 can be adapted to differently selected types of cooking 7 (roasting, cooking, heating) and to different cooking intensities 8 (FIG. 2).
  • the regulating or control device 5 coupled to the control panel 6 enables automatic regulation of a cooking process.
  • the user selects a cooking type 7 and a cooking intensity 8 on the control panel 6.
  • the regulating or control device 5 receives the selected cooking parameters in the form of electrical signals and assigns these signals a predetermined temperature or a predetermined temperature range for the hotplate 2.
  • the regulating or control device 5 continuously monitors the current temperature of the hotplate 2 by means of the sensor system 4 and compares these sensor signals with the cooking parameters received. Depending on this comparison, the regulating or control device 5 controls the heating element 3, so that the hotplate 2 is automatically heated up with the required heating power.
  • control panel 6 In a further embodiment of the control panel 6, not shown here, the name of the food to be cooked and the type of cooking, for example Vegetables "and Cooking "is selected. A sensible cooking intensity is permanently assigned to these two selected cooking parameters and for this purpose is stored in a data memory 9 connected to the regulating or control device 5. The regulating or control device recognizes this selected combination of the cooking parameters and automatically assigns this combination the predetermined cooking intensity.
  • the user simply selects the name of the food to be cooked, for example Rice pudding ".
  • a useful method of cooking for this food ( Cooking ") and cooking intensity ( weak ") are stored in the data memory 9 and are automatically assigned to the selected cooking parameter by the regulating or control device 5.
  • the cooking process is therefore in turn regulated fully automatically.
  • the selected cooking item is also a remaining cooking time from the time of the start of cooking as a predetermined cooking parameter, for example according to This remaining cooking time is also stored in the data memory 9 and is automatically assigned to the selected item to be cooked by the control device 5.
  • This remaining cooking time can be optically displayed on the hob 1, for example in minutes, after the remaining cooking time has elapsed. or the control device 5 from the heating element 3, whereby the cooking process is ended.
  • Different states of a cooking or cooking process can also be detected, for example, by a device and a method for regulating cooking processes, as known from the earlier European patent application 96 102 781.0.
  • this is an automatic cooking point detection possible, on which the regulation of the remaining cooking time can then be based.
  • the control panel 6 offers three different types of cooking 7 for each of the four hotplates 2, namely roasting, boiling, heating.
  • An input element 10 in the form of a push button is assigned to each type of cooking (FIG. 2). All cooking intensities 8 of a single hotplate 2 can be selected by means of a single input element 10 '.
  • the input element 10 ' which is also designed as a pushbutton, is connected to an actuator, for example a bit generator. By rotating the input element 10 ', the user can select one of five cooking intensities (weak, medium weak, medium, medium strong, strong), for example the intensity medium "is displayed as a suggestion when a type of cooking is selected and can be changed up and down.
  • the selected cooking intensity is optically recognizable on a display device 11 arranged on the top of the hob 1 (FIG. 3).
  • the scale-like display device 11 contains a total of five Intensity markings 12.
  • the corresponding intensity marking 12 lights up.
  • the selected cooking intensity is displayed in clear text on the cooking hob 1.
  • the cooking hob 1 is one with the input element 10 ' greater or lesser number of intensity levels than the five aforementioned intensity levels available.
  • the hob 1 can also a cookbook, a table or the like. are included, from which the user takes the cooking intensity to be selected depending on the food to be cooked. This further increases the ease of use of the hob 1.
  • the regulating or control device 5 controls the radiator 3 in all types of cooking in the initial phase, ie in the heating, boiling or searing process in such a way that a predetermined heating output is given to the hotplate 2 in question.
  • the continuing phase of the entire cooking process follows the initial phase.
  • the control electronics 5 regulate a temperature associated with this cooking intensity at the hotplate 2 as a function of the selected cooking intensity.
  • the same cooking intensity eg Depending on the type of cooking selected, a different temperature is assigned to the hotplate.
  • the regulating or control device 5 recognizes the selected combination of cooking type and cooking intensity and assigns the desired temperature of the hotplate 2 stored in the data memory 9 to this combination Temperature values can also be determined by DIN values.

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

Abstract

The hotplate (1) has heating elements (3) subject to a controller (5) with memory (9) which monitors and adjusts the temperature of the heated surface (2). A control panel (6) coupled to the controller affords free selection of the type and intensity of cooking. The controller associates each selection with a particular temperature of the heated surface. The nature of the food may also be entered as a parameter, and the cooking time may be controlled as well as the temperature.

Description

Die Erfindung betrifft eine Kochmulde mit den Merkmalen des Oberbegriffs des Anspruches 1.The invention relates to a hob with the features of the preamble of claim 1.

Bei Kochmulden ist es bekannt, die Heizleistung des Heizkörpers für eine Kochplatte manuell, z.B. mit Hilfe von Knebeln, an unterschiedlich gewünschte bzw. erforderliche Garkenngrößen anzupassen. Bei den Garkenngrößen handelt es sich z.B. um unterschiedliche Garungsarten (Wärmen, Kochen, Braten, Dünsten etc.) oder um unterschiedliche Garungsintensitäten (schwaches Kochen, starkes Kochen etc.). Nachteilig bei den vorbekannten Kochmulden ist es, daß deren Bedienungselemente nur eine ungenügende Anpassung der Heizleistung an unterschiedliche Garkenngrößen ermöglichen. Im einfachsten Fall erlauben die vorbekannten Bedienungselemente lediglich die Auswahl einer bestimmten Leistungsstufe (z.B. 1-3, 1-9). Eine Verminderung der Heizleistungszufuhr findet nicht statt. Ein Anwender muß deshalb den Garvorgang ständig überwachen. Komfortablere Bedienungselemente gestatten zeitgesteuerte Ankoch- bzw. Anbratphasen eines Garvorganges. Unabhängig davon, ob das Gargut in dieser ersten Phase des Garvorgangens kocht oder nicht kocht, wird bei diesem System die Leistungszufuhr nach einer fest eingestellten Zeitdauer vermindert. Der Anwender muß deshalb wiederum umständlich den ordnungsgemäßen Ablauf des Garvorganges überwachen.In cooking hobs, it is known to adjust the heating power of the heating element for a hotplate manually, for example with the aid of toggles, to different cooking parameters desired or required. The cooking parameters are, for example, different types of cooking (heating, cooking, roasting, steaming etc.) or different cooking intensities (weak cooking, strong cooking etc.). A disadvantage of the known cooking hobs is that their controls only allow insufficient adjustment of the heating output to different cooking parameters. In the simplest case, the known operating elements only allow the selection of a certain power level (eg 1-3, 1-9). There is no reduction in the heating power supply. A user must therefore constantly monitor the cooking process. More convenient controls allow time-controlled parboiling or searing phases of a cooking process. Regardless of whether the food is cooking in this first phase of the cooking process or not, in this system the power supply is reduced after a fixed period of time. The user must therefore again carefully monitor the proper course of the cooking process.

Der Erfindung liegt die Aufgabe zugrunde, eine Kochmulde der eingangs näher genannten Art bedienungsfreundlich zu gestalten. Diese Aufgabe wird durch die Merkmalskombination des Anspruches 1 gelöst.The invention has for its object to make a hob of the type mentioned in more detail user-friendly. This object is achieved by the combination of features of claim 1.

Erfindungsgemäß ist eine Überwachung des Garvorganges durch den Anwender überflüssig. Bei der erfindungsgemäßen Kochmulde wird der Garvorgang automatisch geregelt. Dies ermöglicht eine komfortable Bedienung der Kochmulde einfach durch Wahl einer bestimmten Garkenngröße, z.B. einer bestimmten Garungsart. Zu diesem Zweck ist an der Kochmulde ein Bedienfeld angeordnet. Durch Betätigung des Bedienfeldes wählt der Anwender eine erste Garkenngröße, z.B.

Figure imgb0001
Kochen", aus. Das Bedienfeld ist mit einer die Temperatur der Kochplatte überwachenden und den Heizkörper zur Temperaturregelung der Kochplatte ansteuernden Regel- oder Steuereinrichtung gekoppelt, so daß die Regel- oder Steuereinrichtung die ausgewählte Garkenngröße als Signal empfängt. Da jeder Garkenngröße gleichzeitig eine vorbestimmte Temperatur oder ein vorbestimmter Temperaturbereich für die Kochplatte zugeordnet ist, erreicht der Anwender das Ziel der ausgewählten Garkenngröße ohne weitere Überprüfungen des Gargutes oder manuelle Regelungen der Heizleistung. Da die Regel- oder Steuereinrichtung die aktuelle Kochplatten-Temperatur ständig mit dem der Garkenngröße entsprechenden Temperaturbereich oder Temperatur vergleicht, wird mit der erfindungsgemäßen Kochmulde der gesamte Garvorgang oder eine einzelne Garphase allein durch eine Elektronik der Regel- oder Steuereinrichtung automatisch abgeschlossen.According to the invention, monitoring of the cooking process by the user is unnecessary. With the hob according to the invention, the cooking process is regulated automatically. This enables convenient operation of the hob simply by choosing a certain cooking size, for example a certain type of cooking. For this purpose, a control panel is arranged on the hob. By pressing the control panel, the user selects a first cooking parameter, e.g.
Figure imgb0001
The control panel is coupled to a regulating or control device which monitors the temperature of the hotplate and controls the heating element for regulating the temperature of the hotplate, so that the regulating or control device receives the selected cooking parameter as a signal. Because each cooking parameter simultaneously has a predetermined temperature or a predetermined temperature range for the hotplate is assigned, the user reaches the target of the selected cooking parameter without further checks of the food to be cooked or manual control of the heating output. Since the regulating or control device constantly compares the current hotplate temperature with the temperature range or temperature corresponding to the cooking parameter, the entire cooking process or a single cooking phase is automatically concluded with the cooking hob according to the invention solely by electronics of the regulating or control device.

Die automatische Regelung des Garvorganges kann erfindungsgemäß weiter vereinfacht werden, indem einer manuell ausgewählten Garkenngröße eine zusätzliche Garkenngröße, z.B. auch die Gardauer zugeordnet wird. Auf diese Weise lassen sich unsinnige Kombinationen mehrerer nacheinander ausgewählter Garkenngrößen vermeiden. Außerdem lassen sich innerhalb eines Garvorganges mehrere Garphasen zeitlich verbessert aufeinander abstimmen. Der gesamte Garvorgang ist dadurch zeitlich und auch hinsichtlich des Energieverbrauchs optimiert. Zudem ermöglicht dies auch eine verbesserte Qualität des Gargutes selbst.The automatic control of the cooking process can be further simplified according to the invention by adding an additional cooking parameter, e.g. the cooking time is also assigned. In this way nonsensical combinations of several consecutively selected cooking parameters can be avoided. In addition, several cooking phases can be coordinated with one another with improved timing. As a result, the entire cooking process is optimized in terms of time and energy consumption. This also enables the quality of the food itself to be improved.

Die Ausbildung der Erfindung gemäß Anspruch 2 vereinfacht die automatische Regelung des Garvorganges zusätzlich. In das Bedienfeld wird eine dem Gargut entsprechende Bezeichnung, insbesondere der Name des Gargutes und die Garungsart eingegeben, also z.B.

Figure imgb0001
Gemüse" und
Figure imgb0001
Kochen". Die entsprechend vorbestimmte Garungsintensität ist in der Regel- oder Steuereinrichtung gespeichert und wird den ausgewählten Garkenngrößen automatisch zugeordnet, wodurch der Garvorgang vollautomatisch geregelt ist.The embodiment of the invention according to claim 2 further simplifies the automatic control of the cooking process. A name corresponding to the food to be cooked, in particular the name of the food to be cooked and the type of cooking, is entered in the control panel, for example
Figure imgb0001
Vegetables "and
Figure imgb0001
The corresponding predetermined cooking intensity is stored in the regulating or control device and is automatically assigned to the selected cooking parameters, as a result of which the cooking process is regulated fully automatically.

Anspruch 3 betrifft eine weitere Maßnahme zur Vereinfachung der automatischen Regelung des Garvorganges. Als Garkenngröße wird lediglich die Bezeichnung des Gargutes, z.B.

Figure imgb0001
Milchreis", in das Bedienfeld eingegeben. Die Auswahl weiterer Garkenngrößen durch den Anwender ist überflüssig, da der ausgewählten Bezeichnung bereits eine vorbestimmte Garungsart, Garungsintensität und gegebenenfalls Gardauer als zusätzliche Garkenngrößen in der Regel- oder Steuereinrichtung abgespeichert und der ausgewählten Garkenngröße zugeordnet sind. Deshalb erfolgt nach Eingabe der Bezeichnung des Gargutes wiederum eine vollautomatische Regelung des gesamten Garvorganges.Claim 3 relates to a further measure to simplify the automatic control of the cooking process. Only the name of the food to be cooked is used as the cooking parameter, e.g.
Figure imgb0001
The selection of further cooking parameters by the user is superfluous, since the selected name already stores a predetermined type of cooking, cooking intensity and, if necessary, cooking time as additional cooking parameters in the regulating or control device and is assigned to the selected cooking parameter after entering the name of the food to be cooked, a fully automatic control of the entire cooking process.

Anspruch 4 ermöglicht eine große Anzahl abgespeicherter Kombinationen ausgewählter Garkenngrößen und diesen durch die Regel- oder Steuereinrichtung zugeordneten, zusätzlichen Garkenngrößen. Auf diese Weise ist die Kochmulde für eine Vielzahl unterschiedlicher Garvorgänge und unterschiedlicher Gargute geeignet.Claim 4 enables a large number of stored combinations of selected cooking parameters and these additional cooking parameters assigned by the regulating or control device. In this way, the hob is suitable for a large number of different cooking processes and different items to be cooked.

Gemäß Anspruch 5 ist die Betätigung des Bedienfeldes weiter vereinfacht. Fehlbedienungen werden vermieden. Hierzu wird die ausgewählte Garkenngröße durch eine Anzeigeeinrichtung optisch entweder in Klarschrift oder als Symbol angezeigt.According to claim 5, the operation of the control panel is further simplified. Operating errors are avoided. For this purpose, the selected cooking parameter is optically displayed either in plain text or as a symbol by a display device.

Die Ansprüche 6 und 7 unterstützen einen technisch einfachen Aufbau und eine einfache Handhabung des Bedienfeldes.Claims 6 and 7 support a technically simple structure and simple handling of the control panel.

Die Maßnahme nach Anspruch 8 vermeidet fehlerhafte Einstellungen bzw. eine fehlerhafte Auswahl von Garkenngrößen, wie dies nachteilig bei herkömmlichen, z.B. als Knebel ausgebildeten Betätigungselementen der Fall ist.The measure according to claim 8 avoids incorrect settings or an incorrect selection of cooking parameters, as is disadvantageous in conventional, e.g. trained as a gag actuators is the case.

Die Maßnahme nach Anspruch 9 unterstützt die komfortable Bedienung der Kochmulde zusätzlich. So wird dem Anwender beispielsweise das Ende der Garphase

Figure imgb0001
Anbraten" angezeigt, so daß er zum richtigen Zeitpunkt z.B. sein Steak in die Pfanne legen oder Pommes Frites in eine Friteuse schütten kann. In einem anderen Fall wird dem Anwender das Ende des gesamten Garvorganges angezeigt, wodurch das Gargut nicht unnötig abkühlt.The measure according to claim 9 additionally supports the convenient operation of the hob. For example, the end of the cooking phase
Figure imgb0001
Sear "is displayed so that he can, for example, put his steak in the pan or pour French fries into a fryer at the right time. In another case, the end of the entire cooking process is indicated to the user, as a result of which the food does not cool down unnecessarily.

Der Erfindungsgegenstand wird anhand des in den Figuren dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:

  • Fig. 1 eine schematische Darstellung der wesentlichen Bauteile der erfindungsgemäßen Kochmulde,
  • Fig. 2 eine schematische Darstellung des erfindungsgemäßen Bedienfeldes und
  • Fig. 3 eine Draufsicht auf eine Kochmulde mit vier Kochstellen.
The object of the invention is explained in more detail with reference to the embodiment shown in the figures. Show it:
  • 1 is a schematic representation of the essential components of the hob according to the invention,
  • Fig. 2 is a schematic representation of the control panel according to the invention and
  • Fig. 3 is a plan view of a hob with four hotplates.

Die in Fig. 1 schematisch dargestellte Kochmulde 1 aus Glaskeramik weist einen seine Kochstelle 2 aufheizenden Heizkörper 3, eine die Kochstellen-Temperatur aufnehmende Sensorik 4 und eine die Sensorsignale empfangende und verarbeitende Regel- oder Steuereinrichtung 5 auf. Mittels der Regel- oder Steuereinrichtung 5 und einem mit ihr gekoppelten, manuell betätigbaren Bedienfeld 6 ist die Heizleistung des Heizkörpers 3 an unterschiedlich ausgewählte Garungsarten 7 (Braten, Kochen, Wärmen) und an verschiedene Garungsintensitäten 8 anpaßbar (Fig. 2).The hob 1 made of glass ceramic, shown schematically in FIG. 1, has a heating element 3 that heats its hotplate 2, a sensor 4 that measures the hotplate temperature, and a regulating or control device 5 that receives and processes the sensor signals. By means of the rule or Control device 5 and a coupled to it, manually operable control panel 6, the heating power of the radiator 3 can be adapted to differently selected types of cooking 7 (roasting, cooking, heating) and to different cooking intensities 8 (FIG. 2).

Die mit dem Bedienfeld 6 gekoppelte Regel- oder Steuereinrichtung 5 ermöglicht eine automatische Regelung eines Garvorganges. Zu diesem Zweck wählt der Anwender am Bedienfeld 6 eine Garungsart 7 und eine Garungsintensität 8 aus. Die Regel- oder Steuereinrichtung 5 empfängt die ausgewählten Garkenngrößen in Form von elektrischen Signalen und ordnet diesen Signalen eine vorbestimmte Temperatur oder einen vorbestimmten Temperaturbereich für die Kochstelle 2 zu. Gleichzeitig überwacht die Regel- oder Steuereinrichtung 5 mittels der Sensorik 4 ständig die aktuelle Temperatur der Kochstelle 2 und vergleicht diese Sensorsignale mit den empfangenen Garkenngrößen. In Abhängigkeit dieses Vergleichs steuert die Regel- oder Steuereinrichtung 5 den Heizkörper 3 an, so daß die Kochstelle 2 automatisch mit der erforderlichen Heizleistung aufgeheizt wird.The regulating or control device 5 coupled to the control panel 6 enables automatic regulation of a cooking process. For this purpose, the user selects a cooking type 7 and a cooking intensity 8 on the control panel 6. The regulating or control device 5 receives the selected cooking parameters in the form of electrical signals and assigns these signals a predetermined temperature or a predetermined temperature range for the hotplate 2. At the same time, the regulating or control device 5 continuously monitors the current temperature of the hotplate 2 by means of the sensor system 4 and compares these sensor signals with the cooking parameters received. Depending on this comparison, the regulating or control device 5 controls the heating element 3, so that the hotplate 2 is automatically heated up with the required heating power.

In einer weiteren, hier nicht dargestellten Ausführungsform des Bedienfeldes 6 wird der Name des Gargutes und die Garungsart, z.B.

Figure imgb0001
Gemüse" und
Figure imgb0001
Kochen" ausgewählt. Diesen beiden ausgewählten Garkenngrößen ist eine sinnvolle Garungsintensität fest zugeordnet und zu diesem Zweck in einem an die Regel- oder Steuereinrichtung 5 angeschlossenen Datenspeicher 9 abgelegt. Die Regel- oder Steuereinrichtung erkennt die ausgewählte Kombination der Garkenngrößen und ordnet dieser Kombination automatisch die vorbestimmte Garungsintensität zu.In a further embodiment of the control panel 6, not shown here, the name of the food to be cooked and the type of cooking, for example
Figure imgb0001
Vegetables "and
Figure imgb0001
Cooking "is selected. A sensible cooking intensity is permanently assigned to these two selected cooking parameters and for this purpose is stored in a data memory 9 connected to the regulating or control device 5. The regulating or control device recognizes this selected combination of the cooking parameters and automatically assigns this combination the predetermined cooking intensity.

In einer weiteren, hier nicht dargestellten Ausführungsform des Bedienfeldes wählt der Anwender lediglich den Namen des Gargutes, z.B.

Figure imgb0001
Milchreis" aus. Eine für dieses Gargut sinnvolle Garungsart (
Figure imgb0001
Kochen") und Garungsintensität (
Figure imgb0001
schwach") sind in dem Datenspeicher 9 abgelegt und werden von der Regel- oder Steuereinrichtung 5 der ausgewählten Garkenngröße automatisch zugeordnet. Der Garvorgang wird deshalb wiederum vollautomatisch geregelt. Dem ausgewählten Gargut ist außerdem ab dem Zeitpunkt des Kochbeginns als vorbestimmte Garkenngröße eine Restgardauer, beispielsweise gemäß DIN, zugeordnet. Diese Restgardauer ist ebenfalls im Datenspeicher 9 abgelegt und wird von der Regel- oder Steuereinrichtung 5 dem ausgewählten Gargut automatisch zugeordnet. Diese Restgardauer ist an der Kochmulde 1 -z.B. in Minuten- optisch anzeigbar. Nach Ablauf der Restgardauer schaltet die Regel- oder Steuereinrichtung 5 den Heizkörper 3 ab, wodurch der Garvorgang beendet ist. Das Ende des Garvorganges wird dem Anwender durch eine hier nicht näher dargestellte, mit der Regel- oder Steuereinrichtung 5 gekoppelte Signaleinrichtung angezeigt.In a further embodiment of the control panel, not shown here, the user simply selects the name of the food to be cooked, for example
Figure imgb0001
Rice pudding ". A useful method of cooking for this food (
Figure imgb0001
Cooking ") and cooking intensity (
Figure imgb0001
weak ") are stored in the data memory 9 and are automatically assigned to the selected cooking parameter by the regulating or control device 5. The cooking process is therefore in turn regulated fully automatically. The selected cooking item is also a remaining cooking time from the time of the start of cooking as a predetermined cooking parameter, for example according to This remaining cooking time is also stored in the data memory 9 and is automatically assigned to the selected item to be cooked by the control device 5. This remaining cooking time can be optically displayed on the hob 1, for example in minutes, after the remaining cooking time has elapsed. or the control device 5 from the heating element 3, whereby the cooking process is ended.

Verschiedene Zustände eines Gar- bzw. Kochprozesses lassen sich beispielsweise auch durch eine Vorrichtung und ein Verfahren zur Regelung von Kochprozessen , wie aus der älteren europäischen Patentanmeldung 96 102 781.0 bekannt, erfassen. Unter anderem ist damit eine automatische Kochpunkterkennung möglich, auf der dann die Regelung der Restgardauer aufsetzen kann.Different states of a cooking or cooking process can also be detected, for example, by a device and a method for regulating cooking processes, as known from the earlier European patent application 96 102 781.0. Among other things, this is an automatic cooking point detection possible, on which the regulation of the remaining cooking time can then be based.

Das Bedienfeld 6 bietet für jede der vier Kochstellen 2 drei unterschiedliche Garungsarten 7, nämlich Braten, Kochen, Wärmen an. Jeder Garungsart ist ein Eingabeelement 10 in Form einer Drucktaste zugeordnet (Fig. 2). Sämtliche Garungsintensitäten 8 einer einzigen Kochstelle 2 sind mittels eines einzigen Eingabeelements 10' auswählbar. Das ebenfalls als Drucktaste ausgebildete Eingabeelement 10' ist an ein Stellorgan, z.B. einen Bitgenerator angeschlossen. Durch Drehen des Eingabeelements 10' kann der Anwender eine von fünf Garungsintensitäten (schwach, mittelschwach, mittel, mittelstark, stark) auswählen, wobei beispielsweise die Intensität

Figure imgb0001
mittel" jeweils als Vorschlag bei Anwahl einer Garungsart angezeigt wird und nach oben und unten veränderbar ist. Die ausgewählte Garungsintensität ist an einer auf der Oberseite der Kochmulde 1 angeordneten Anzeigeeinrichtung 11 optisch erkennbar (Fig.3). Hierzu enthält die skalenartige Anzeigeeinrichtung 11 insgesamt fünf Intensitätsmarkierungen 12. Je nach ausgewählter Garungsintensität 8 leuchtet die entsprechende Intensitätsmarkierung 12 auf. In einer weiteren hier nicht dargestellten Ausführungsform wird die ausgewählte Garungsintensität in Klarschrift an der Kochmulde 1 angezeigt. Selbstverständlich sind mit Hilfe des Eingabeelements 10' in einer anderen Ausführungsform der Kochmulde 1 eine größere oder kleinere Anzahl von Intensitätsstufen als die fünf vorgenannten Intensitätsstufen verfügbar.The control panel 6 offers three different types of cooking 7 for each of the four hotplates 2, namely roasting, boiling, heating. An input element 10 in the form of a push button is assigned to each type of cooking (FIG. 2). All cooking intensities 8 of a single hotplate 2 can be selected by means of a single input element 10 '. The input element 10 ', which is also designed as a pushbutton, is connected to an actuator, for example a bit generator. By rotating the input element 10 ', the user can select one of five cooking intensities (weak, medium weak, medium, medium strong, strong), for example the intensity
Figure imgb0001
medium "is displayed as a suggestion when a type of cooking is selected and can be changed up and down. The selected cooking intensity is optically recognizable on a display device 11 arranged on the top of the hob 1 (FIG. 3). For this purpose, the scale-like display device 11 contains a total of five Intensity markings 12. Depending on the selected cooking intensity 8, the corresponding intensity marking 12 lights up. In a further embodiment, not shown here, the selected cooking intensity is displayed in clear text on the cooking hob 1. Of course, in another embodiment, the cooking hob 1 is one with the input element 10 ' greater or lesser number of intensity levels than the five aforementioned intensity levels available.

Mit der Kochmulde 1 kann außerdem ein Kochbuch, eine Tabelle o.dgl. mitgeliefert werden, aus der der Anwender abhängig vom Gargut die zu wählende Garungsintensität entnimmt. Dies steigert den Bedienungskomfort der Kochmulde 1 zusätzlich.With the hob 1 can also a cookbook, a table or the like. are included, from which the user takes the cooking intensity to be selected depending on the food to be cooked. This further increases the ease of use of the hob 1.

Die Regel- oder Steuereinrichtung 5 steuert den Heizkörper 3 bei allen Garungsarten in der Anfangsphase, d.h. im Anwärm-, Ankoch- oder Anbratvorgang derart an, daß eine vorgegebene Heizleistung auf die betreffende Kochstelle 2 gegeben wird. An die Anfangsphase schließt sich die Fortgarungsphase des gesamten Garvorganges an. In der Fortgarungsphase regelt die Steuerelektronik 5 in Abhängigkeit der ausgewählten Garungsintensität eine dieser Garungsintensität zugeordnete Temperatur an der Kochstelle 2. Selbstverständlich ist der gleichen Garungsintensität (z.B.

Figure imgb0001
mittelstark") je nach ausgewählter Garungsart eine unterschiedliche Temperatur der Kochstelle zugeordnet. Die Regel- oder Steuereinrichtung 5 erkennt die ausgewählte Kombination Garungsart-Garungsintensität und ordnet dieser Kombination die hierzu im Datenspeicher 9 abgelegte Solltemperatur der Kochstelle 2 zu. Hierbei können die im Datenspeicher 9 abgelegten Temperaturwerte auch durch DIN-Werte festgelegt sein.The regulating or control device 5 controls the radiator 3 in all types of cooking in the initial phase, ie in the heating, boiling or searing process in such a way that a predetermined heating output is given to the hotplate 2 in question. The continuing phase of the entire cooking process follows the initial phase. In the cooking phase, the control electronics 5 regulate a temperature associated with this cooking intensity at the hotplate 2 as a function of the selected cooking intensity. Of course, the same cooking intensity (eg
Figure imgb0001
Depending on the type of cooking selected, a different temperature is assigned to the hotplate. The regulating or control device 5 recognizes the selected combination of cooking type and cooking intensity and assigns the desired temperature of the hotplate 2 stored in the data memory 9 to this combination Temperature values can also be determined by DIN values.

BezugszeichenlisteReference list

11
KochmuldeHob
22nd
KochstelleHotplate
33rd
Heizkörperradiator
44th
SensorikSensors
55
Regel- oder SteuereinrichtungRegulation or control device
66
BedienfeldControl panel
77
GarungsartCooking method
88th
GarungsintensitätCooking intensity
99
DatenspeicherData storage
1010th
EingabeelementInput element
10'10 '
EingabeelementInput element
1111
AnzeigeeinrichtungDisplay device
1212th
IntensitätsmarkierungIntensity marking

Claims (9)

Kochmulde (1) für Gargut mit einem eine Kochstelle (2) aufheizenden Heizkörper (3), dessen elektrische Heizleistung an Garkenngrößen (7,8), z.B. unterschiedliche Garungsarten (7) oder Garungsintensitäten (8) anpaßbar ist,
dadurch gekennzeichnet, - daß eine Regel- oder Steuereinrichtung (5) die Temperatur der Kochstelle (2) überwacht und zu ihrer Temperaturregelung den Heizkörper (3) temperaturabhängig ansteuert, - daß an einem mit der Regel- oder Steuereinrichtung (5) gekoppelten Bedienfeld (6) mindestens eine erste Garkenngröße (7,8) frei wählbar und eingebbar ist und - daß die Regel- oder Steuereinrichtung (5) der eingegebenen Garkenngröße (7,8) eine vorbestimmte Temperatur für die Kochstelle (2) und gegebenenfalls mindestens eine vorbestimmte Garkenngröße zur automatischen Regelung des Garvorganges zuordnet. Cooking hob (1) for food to be cooked with a heating element (3) heating up a cooking point (2), the electrical heating output of which can be adapted to cooking parameters (7,8), for example different types of cooking (7) or cooking intensities (8),
characterized, - That a regulating or control device (5) monitors the temperature of the hotplate (2) and controls the heating element (3) in a temperature-dependent manner to regulate its temperature, - That at least one first cooking parameter (7,8) can be freely selected and entered on a control panel (5) coupled to the control panel (5) and - That the regulating or control device (5) the entered cooking parameter (7,8) assigns a predetermined temperature for the hotplate (2) and optionally at least one predetermined cooking parameter for automatic regulation of the cooking process. Kochmulde nach Anspruch 1, dadurch gekennzeichnet, - daß mittels des Bedienfeldes (6) eine dem Gargut entsprechende Bezeichnung, insbesondere der Name des Gargutes und die Garungsart (7) als Garkenngrößen auswählbar sind und - daß die Regel- oder Steuereinrichtung (5) den ausgewählten Garkenngrößen eine vorbestimmte Garungsintensität (8) zuordnet. Cooking hob according to claim 1, characterized in - That by means of the control panel (6) a description corresponding to the food to be cooked, in particular the name of the food to be cooked and the type of cooking (7) can be selected as cooking parameters and - That the regulating or control device (5) assigns the selected cooking parameters to a predetermined cooking intensity (8). Kochmulde nach Anspruch 1, dadurch gekennzeichnet, - daß mittels des Bedienfeldes (6) eine dem Gargut entsprechende Bezeichnung als Garkenngröße, insbesondere der Name des Gargutes auswählbar ist und - daß die Regel- oder Steuereinrichtung (5) der ausgewählten Bezeichnung des Gargutes eine vorbestimmte Garungsart (7), Garungsintensität (8) und Gardauer als vorbestimmte Garkenngrößen zuordnet. Cooking hob according to claim 1, characterized in - That by means of the control panel (6) a designation corresponding to the food to be cooked, in particular the name of the food to be cooked, can be selected and - That the regulating or control device (5) assigns the selected designation of the food to be cooked a predetermined type of cooking (7), cooking intensity (8) and cooking time as predetermined cooking parameters. Kochmulde nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die der ausgewählten Garkenngröße (7,8) zugeordneten Solltemperaturen der Kochstelle (2) und gegebenenfalls zugeordneten Garkenngrößen in einem an die Regel- oder Steuereinrichtung (5) angeschlossenen Datenspeicher (9) abgelegt sind.Cooking hob according to one of claims 1 to 3, characterized in that the target temperatures of the hotplate (2) associated with the selected cooking parameter (7, 8) and possibly associated cooking parameters are stored in a data memory (9) connected to the regulating or control device (5) are. Kochmulde nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Bedienfeld (6) eine Anzeigeeinrichtung (11) enthält, welche die ausgewählte Garkenngröße (8) anzeigt.Cooking hob according to one or more of the preceding claims, characterized in that the control panel (6) contains a display device (11) which displays the selected cooking parameter (8). Kochmulde nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Bedienfeld (6) mehrere Eingabeelemente (10,10') enthält, wobei unterschiedlichen Garkenngrößen, insbesondere unterschiedlichen Garungsarten jeweils ein Eingabeelement (10) zugeordnet ist.Cooking hob according to one or more of the preceding claims, characterized in that the control panel (6) contains a plurality of input elements (10, 10 '), an input element (10) being assigned to different cooking parameters, in particular different types of cooking. Kochmulde nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Bedienfeld (6) mehrere Betätigungselemente (10,10') enthält, wobei unterschiedliche Garungsarten (7) oder unterschiedliche Garungsintensitäten (8) mittels eines einzigen Eingabelements (10') auswählbar sind.Cooking hob according to one of claims 1 to 5, characterized in that the control panel (6) contains a plurality of actuating elements (10, 10 '), different types of cooking (7) or different cooking intensities (8) being selectable by means of a single input element (10') . Kochmulde nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß das Eingabeelement (10,10') eine Drucktaste ist.Cooking hob according to claim 6 or 7, characterized in that the input element (10, 10 ') is a push button. Kochmulde nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine an die Regel- oder Steuereinrichtung (5) angeschlossene Signaleinrichtung das Ende einer Garphase oder des gesamten Garvorganges optisch und/oder akustisch anzeigt.Cooking hob according to one or more of the preceding claims, characterized in that a signal device connected to the regulating or control device (5) indicates the end of a cooking phase or the entire cooking process optically and / or acoustically.
EP19960108142 1996-02-02 1996-05-22 Cooker hob having automatic control of cooking process Expired - Lifetime EP0788292B1 (en)

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