EP3524888B1 - Cooking device and method for operating a cooking device - Google Patents

Cooking device and method for operating a cooking device Download PDF

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Publication number
EP3524888B1
EP3524888B1 EP18211329.0A EP18211329A EP3524888B1 EP 3524888 B1 EP3524888 B1 EP 3524888B1 EP 18211329 A EP18211329 A EP 18211329A EP 3524888 B1 EP3524888 B1 EP 3524888B1
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EP
European Patent Office
Prior art keywords
cooking
control unit
cooked
food
cooking process
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EP18211329.0A
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German (de)
French (fr)
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EP3524888A1 (en
Inventor
Fabian Heß
Bastian Karrasch
Wolfgang Schmidberger
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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
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F24C7/085—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on baking ovens

Definitions

  • the invention relates to a method for controlling a cooking appliance and a cooking appliance with a cooking chamber and a control unit.
  • Cooking appliances that can prepare food using hot air and/or steam, e.g. B. for large catering, restaurants or canteens are known. It is also known that such cooking appliances also have microwave sources.
  • the DE 10 2011 051 106 A1 discloses a method for operating a cooking appliance, in which the number of possible treatment zones in the cooking chamber are determined by the user and the cooking program.
  • the loading zone parameter can also depend on the location of the cooking appliance.
  • the EP 3 502 569 A1 and the WO 2019/038280 A2 disclose cooking appliances in which the quantity of food to be cooked introduced into the cooking appliance is compared with a fixed, predetermined target occupancy or a fixed, predetermined threshold value.
  • the DE 25 12 776 A1 , the EP 1 989 978 A1 , the JP 2004 008297 A , the DE 10 2010 054382 A1 as well as the US 2017/059172 A also show cooking devices with control units for carrying out food preparation processes.
  • the DE 10 2012 006578 A1 discloses another relevant method.
  • the control unit of such cooking appliances can carry out various cooking processes for cooking food and thereby make operation easier for the user.
  • the cooking processes are optimally tailored to the to be cooked Foods to be cooked are matched or adjusted during the cooking process and therefore lead to good results.
  • the object is achieved by a method for controlling a cooking appliance according to claim 1.
  • the output preferably takes place immediately after the desired cooking process has been received, so that the user does not lose any time preparing.
  • the determination of the optimal quantity of the food to be cooked is device-specific, ie depends on the situation of the cooking device or on the type of cooking device itself.
  • the determination of the optimal quantity of the food to be cooked does not consist in querying and/or merely scaling quantity information from a recipe or comparable information without checking it, for example to the number of desired portions.
  • a cooking process is understood to mean both fixed sequences of the cooking path and sequences that are adapted by the control unit based on current measured values. These self-adapting processes are also called “intelligent cooking programs”.
  • the optimal amount can be determined even more precisely.
  • these parameters are stored in the control unit or are recorded by the control unit, queried by the user and/or obtained in some other way.
  • the device-specific performance data can include the heating dynamics, the maximum possible energy input and/or the maximum dehumidification performance of the cooking device.
  • the power currently available can also depend on external factors, such as power fluctuations in the electricity and/or gas network and/or the ambient temperature and humidity.
  • the dispensing means include a display on which the optimal amount is shown to allow easy dispensing of the optimal amount.
  • the desired cooking process is received by the user selecting the desired cooking process using input means.
  • the input means are provided, for example, on the cooking appliance itself, such as a keyboard, a touch display and/or a button, e.g. B. a knob.
  • the input means and/or output means can also be a terminal device that is separate from the cooking appliance, such as a separate computer and/or a mobile terminal device that is connected to the cooking appliance for data exchange.
  • the data exchange can be wired but also wireless.
  • the optimal amount can be larger, the longer the desired or product-typical cooking time, the lower the desired degree of browning and/or the higher the desired core temperature.
  • the control unit detects whether and how much of a browning-supporting substance is used by extraction from the desired cooking process or by a sensor on the cooking appliance, like a camera.
  • the frozen and/or freshness information is recorded by input by the user and/or by evaluating the change in the cooking chamber atmosphere after the food to be cooked has been placed in the cooking chamber.
  • control unit writes log data during the cooking process, queries the user's satisfaction with the result of the cooking process after the end of the cooking process, and the control unit links the satisfaction with the log data of the cooking process. This provides feedback to improve the cooking process and determine the optimal amount.
  • the log data contain setpoints and measured values for the atmosphere in the cooking chamber and/or the food to be cooked, and deviations between the setpoints and the measured values are determined by the control unit, with the deviations being evaluated as positive or negative based on satisfaction with the cooking process in which the deviations occurred will. In this way, precise changes in the cooking process can be evaluated.
  • the at least one evaluated deviation can be one of the at least one current quantity-relevant parameter.
  • control unit determines the number and/or location of occupied racks that are currently occupied or whose occupancy is planned, and the number and/or or the position of the occupied slots is one of the at least one current quantity-relevant parameter.
  • Occupied racks can be detected by sensors in the cooking appliance or the placement of the receipt.
  • Occupied racks reduce the possible amount of food to be cooked, so the number of occupied racks is deducted from the maximum possible amount of food to be cooked.
  • control unit determines an optimal allocation of the racks in the cooking appliance with the food to be cooked and the optimal allocation is output in order to further improve the result of the cooking process.
  • control unit determines what actual quantity of the food to be cooked was actually placed in the cooking chamber, compares the actual quantity with the optimum quantity and stores the result of the comparison, thereby documenting the cooking process.
  • Future cooking processes are preferably adjusted by the control unit using the stored results in order to increase the quality of the cooking process.
  • the object is also achieved by a cooking appliance with a cooking space for cooking food and a control unit that is set up to carry out the method according to the invention.
  • a cooking appliance 10 is shown schematically, which is intended for professional use in restaurants, canteens, commercial kitchens and large catering establishments. It can be here, for example, a combi steamer that can prepare different dishes with hot air and/or superheated steam.
  • the cooking appliance can have a microwave source for preparing the food to be cooked using microwaves.
  • the corresponding cooking processes preferably run automatically as a function of the respective food to be cooked, the desired end state and also the loading of the cooking appliance 10 .
  • Components of the cooking appliance 10, such as a steam generator, a fan, etc., are not shown here because they are not necessary for understanding the invention.
  • the cooking appliance 10 is shown in a front view and has a cooking chamber 12 which can be closed by a cooking chamber door, not shown.
  • a frame 14 is provided in the cooking chamber 12 and defines a plurality of racks 16 of the cooking chamber 12 .
  • Food carriers with food to be cooked can be inserted into the racks 16 in order to cook them in the cooking chamber 12 .
  • a sensor 18 here a camera, is provided above the cooking chamber 12 and can monitor the cooking chamber 12 and the area in front of the cooking chamber 12 .
  • An area with input means 20 and output means 22 is provided next to the cooking chamber.
  • a button 24, which can be embodied as a rotary knob, and a touch display 26 are provided as input means 20.
  • the touch display 26 also serves as an output device 22.
  • the cooking appliance 10 can also have a loudspeaker as the output means 22 and a microphone as the input means 20 .
  • a terminal 28 that is separate from the cooking appliance 10 can also be provided as the input means 20 and/or output means 22 figure 1 as a separate mobile device such as a smartphone or tablet.
  • the separate terminal 28 can also be a PC or computer.
  • the separate end device 28 is connected to the cooking appliance 10 for data exchange.
  • Data exchange can be wired or wireless.
  • the cooking appliance 10 has various sensors that can record various measured values of the atmosphere in the cooking chamber 12, such as the temperature or humidity. These sensors are known and in figure 1 not shown.
  • the cooking appliance 10 also has a control unit 30 which controls the cooking appliance 10, in particular the heating devices.
  • the control unit 30 is electrically connected to the sensor 18, the input means 20 and the output means 22 and can communicate with the separate end device 28.
  • a cooking process was selected for each item to be cooked, and the control unit 30 controls the atmosphere of the cooking chamber by means of the heating device and the steam generator in such a way that each of the foods in the cooking chamber is cooked optimally.
  • the chronological sequence with which the individual items to be cooked are cooked in the cooking chamber 12 can be created and edited by the user via the touch display 26 .
  • the user generates receipts on the touch display 26, which he assigns to different slots 16 and times. This method is also known.
  • the user of the cooking appliance would now like to prepare another item to be cooked and selects the desired cooking process via the touch display 26, the button 24 or the separate terminal 28.
  • the control unit 30 receives the desired cooking process (step S1) and then extracts various current quantity-relevant parameters P in step S2.
  • control unit 30 extracts the desired degree of browning as a current quantity-relevant parameter P 1 , ie the color or the amount of crust formation that the finished cooking product should have.
  • the control unit 30 can also extract the desired core temperature as the current quantity-relevant parameter P 2 , provided a core temperature sensor is used.
  • the desired cooking method can be used as a further current quantity-relevant parameter P 3 , ie whether the food to be cooked is to be cooked using superheated steam, hot air, microwaves or a combination thereof.
  • the type of food to be cooked ie meat, vegetables, etc.
  • the control unit 30 is also extracted and used by the control unit 30 as a current, quantity-relevant parameter P 4 .
  • the desired cooking time or the cooking time that is product-specific for the food to be cooked can also be extracted from the desired cooking process by the control unit 30 as current quantity-relevant parameters P 5 or P 6 .
  • control unit 30 can use the cooking process to identify whether browning-promoting substances are being used.
  • Substances that support tanning are e.g. B. marinades or certain spices that affect the speed of browning of the food.
  • the use and/or the amount used of the tanning-promoting substances can be a current, quantity-relevant parameter P 7 .
  • control unit 30 can receive data from the sensor 18, in the exemplary embodiment shown images of the food to be cooked from the camera, and can use the data from the sensor 18 to determine whether and how much browning-promoting substances are being used.
  • control unit 30 therefore records the quantity-relevant parameter P 7 .
  • Another quantity-relevant parameter P 8 which is recorded by the control unit 30, is frozen and/or freshness information of the food to be cooked, i.e. information about the condition of the food to be cooked before cooking, for example whether the food is frozen, thawed or is particularly fresh.
  • This frozen and/or freshness information can be transferred to the control unit 30 by the user via the input means 20 .
  • control unit 30 it is also conceivable for the control unit 30 to acquire this information itself by measuring the change in the cooking chamber atmosphere after the food to be cooked has been placed in the cooking chamber 12 .
  • the temperature in the cooking chamber 12 drops particularly sharply when the food to be cooked is deep-frozen.
  • Another quantity-relevant parameter P 9 that is recorded by the control unit 30 can be the number of racks 16 that are currently occupied or whose use is already planned during the desired cooking process for other items to be cooked.
  • the control unit 30 can obtain information about the occupancy of the slots 16 from the data from the sensor 18 and from the arrangement and placement of the receipts by the user.
  • the cooking processes and parameters relevant to the quantity of the other items to be cooked present in the cooking chamber 12 are conceivable as further parameters P 11 relevant to quantity. This also includes items to be cooked that are not yet in the cooking compartment but are planned to be prepared.
  • control unit 30 uses all or part of these quantity-relevant parameters P 1 to P 11 to determine the quantity of the to-be-cooked Calculate the food that is optimal for the desired cooking process and the current conditions in order to achieve the best result.
  • a larger amount of food can be perfectly cooked and browned in a given cooking time if marinade or browning-enhancing condiments are used. Therefore, if the current quantity-relevant parameter P 7 indicates the use of browning-promoting substances, a larger quantity of food to be cooked is specified as the optimum quantity.
  • the optimal amount is greater when the desired level of browning is lower, since less energy is required to achieve a lower level of browning.
  • this table of values is located on a server in the local network or on the Internet, which the control unit 30 can access.
  • control unit 30 also uses other parameters that have an influence on the cooking process.
  • One of these parameters is, for example, the performance of the cooking appliance 10, so that the control unit 30 uses the performance data of the cooking appliance 10.
  • These can be nominal performance data that are permanently stored in the control unit 30 .
  • the device-specific performance data can include the heating dynamics, the maximum possible energy input and/or the maximum dehumidification performance of the cooking device 10 .
  • the performance can also be influenced by external factors.
  • the currently available power of the cooking appliance 10 depends both on power fluctuations in the power grid and/or gas grid and on the ambient temperature and ambient humidity.
  • the performance of the electricity network, the performance of the gas network, the ambient temperature and/or the ambient humidity can be determined by the control unit 30 using sensors.
  • the location of the cooking appliance 10 is also relevant since the height of the cooking appliance 10 above sea level affects the boiling temperature of water and thus the generation of steam.
  • the installation location or the height can be queried by the control unit 30 from the user.
  • the optimal quantity of the food to be cooked determined in this way is then output to the user via the output means 22, in the example shown the touch display 26 or the separate terminal 28 (step S4).
  • the determination of the optimal amount and its output takes place directly after the user has selected the desired cooking process.
  • the user therefore receives information about how much of the food to be cooked he has to prepare immediately after he has selected the desired cooking process.
  • the maximum possible quantity of food to be cooked that can be introduced into the cooking appliance depends on the number of racks 16 in the cooking chamber 12 . Since in the example under discussion racks are already occupied or will be occupied, these are not available for cooking the food to be cooked. The maximum possible quantity of the food to be cooked is therefore calculated without these inserts 16.
  • the occupied racks or the racks 16 that are occupied are deducted from the number of racks 16 present in the cooking chamber 12 .
  • the optimal amount of food to be cooked can be dispensed depending on the available racks 16.
  • roast beef which is to be the food to be cooked
  • only every second rack 16 can be used if the core temperature is to be only 48.degree.
  • the core temperature is to be 65° C.
  • two of the three inserts 16 can be used.
  • control unit 30 determines in which racks 16 the food to be cooked is to be inserted in order to obtain an optimal occupancy of the racks 16 .
  • the optimal occupancy of the slots 16 is also output via the output means 22 (step S5).
  • the user of the cooking appliance can now prepare the desired quantity or the optimal quantity of food to be cooked and place it in the slot 16 provided for this purpose in the cooking chamber 12 .
  • the desired cooking process is then started.
  • control unit 30 determines the actual quantity of the food to be cooked that has been introduced into the cooking chamber 12 .
  • the control unit 30 then compares the actual amount of food to be cooked with the optimal amount of food to be cooked and stores the result (step S6).
  • control unit 30 can adapt the cooking process. For example, the controller 30 may increase or decrease the preheat temperature or preheat time for future cooking processes.
  • control unit 30 documents the target values for the properties of the cooking chamber atmosphere, such as temperature, humidity and the like, and logs the measured values (actual values) of these properties, which were recorded by the sensors in the cooking chamber 12 and transmitted to the control unit 30.
  • the control unit 30 also writes these target values and measured values as log data (step S7).
  • the user After completion of the cooking process, e.g. B. after the intended end of the cooking time or if the user terminates the cooking process prematurely, the user is prompted via the output means 22 to indicate his satisfaction with the result of the cooking process. In the simplest case, this can be asked as "satisfied?" be configured, which can be confirmed by pressing a button.
  • the user then transmits his satisfaction to the cooking appliance 10 or the control unit 30 via the input means 20 (step S8).
  • control unit 30 links the user's satisfaction with the cooking process to the log data. This can be done, for example, by the control unit 30 determining the deviations between the target values and the measured values that were recorded during the cooking process.
  • the user always receives optimal results and uses the cooking device 10 particularly efficiently, provided that he inserts the optimal amount of food to be cooked into the cooking appliance 10 that is indicated to him.
  • the user always receives optimal results and uses the cooking device 10 particularly efficiently, provided that he inserts the optimal amount of food to be cooked into the cooking appliance 10 that is indicated to him.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Electric Ovens (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Steuern eines Gargerätes sowie ein Gargerät mit einem Garraum und einer Steuereinheit.The invention relates to a method for controlling a cooking appliance and a cooking appliance with a cooking chamber and a control unit.

Gargeräte, die mittels Heißluft und/oder Wasserdampf Gargüter zubereiten können, z. B. für die Großgastronomie, Restaurants oder Kantinen, sind bekannt. Auch ist es bekannt, dass solche Gargeräte zusätzlich Mikrowellenquellen aufweisen.Cooking appliances that can prepare food using hot air and/or steam, e.g. B. for large catering, restaurants or canteens are known. It is also known that such cooking appliances also have microwave sources.

Die DE 10 2011 051 106 A1 offenbart ein Verfahren zum Betreiben eines Gargeräts, bei dem die Anzahl an möglichen Behandlungszonen im Garraum durch den Benutzer und das Garprogramm bestimmt werden. Außerdem kann der Beladungszonen-Parameter auch vom Aufstellungsort des Gargeräts abhängig sein. Zudem ist beschrieben, dass der Benutzer darauf hingewiesen wird, wenn er wenig Behandlungszonen im Garraum vorsieht.the DE 10 2011 051 106 A1 discloses a method for operating a cooking appliance, in which the number of possible treatment zones in the cooking chamber are determined by the user and the cooking program. In addition, the loading zone parameter can also depend on the location of the cooking appliance. In addition, it is described that the user is informed if he provides fewer treatment zones in the cooking chamber.

Die EP 3 502 569 A1 und die WO 2019/038280 A2 offenbaren Gargeräte, bei denen die ins Gargerät eingebrachte Menge an Gargut mit einer fest vorbestimmten Soll-Belegung bzw. einem fest vorbestimmten Schwellwert verglichen wird.the EP 3 502 569 A1 and the WO 2019/038280 A2 disclose cooking appliances in which the quantity of food to be cooked introduced into the cooking appliance is compared with a fixed, predetermined target occupancy or a fixed, predetermined threshold value.

Die DE 25 12 776 A1 , die EP 1 989 978 A1 , die JP 2004 008297 A , die DE 10 2010 054382 A1 sowie die US 2017/059172 A zeigen ebenfalls Gargeräte mit Steuereinheiten zur Ausführung von Zubereitungsprozessen für Lebensmittel. Die DE 10 2012 006578 A1 offenbart ein weiteres relevantes Verfahren.the DE 25 12 776 A1 , the EP 1 989 978 A1 , the JP 2004 008297 A , the DE 10 2010 054382 A1 as well as the US 2017/059172 A also show cooking devices with control units for carrying out food preparation processes. the DE 10 2012 006578 A1 discloses another relevant method.

Die Steuereinheit solcher Gargeräte kann zum Garen von Gargütern verschiedene Garprozesse ausführen und dadurch dem Benutzer die Bedienung erleichtern. Gleichzeitig sind die Garprozesse optimal auf die zu garenden Gargüter abgestimmt oder werden während des Garprozesses angepasst, und führen daher zu guten Ergebnissen.The control unit of such cooking appliances can carry out various cooking processes for cooking food and thereby make operation easier for the user. At the same time, the cooking processes are optimally tailored to the to be cooked Foods to be cooked are matched or adjusted during the cooking process and therefore lead to good results.

Diese Ergebnisse werden jedoch von der Menge des eingebrachten zu garenden Gargutes beeinflusst, auf die das Gargerät keinen Einfluss nehmen kann.However, these results are influenced by the amount of food to be cooked that is brought in, which the cooking appliance cannot influence.

Es ist daher Aufgabe der Erfindung, ein Verfahren zur Steuerung eines Gargerätes sowie ein Gargerät bereitzustellen, die die Qualität und Ergebnisse des Garprozesses steigern.It is therefore the object of the invention to provide a method for controlling a cooking appliance and a cooking appliance that increase the quality and results of the cooking process.

Die Aufgabe wird gelöst durch ein Verfahren zum Steuern eines Gargerätes gemäß Anspruch 1.The object is achieved by a method for controlling a cooking appliance according to claim 1.

Auf diese Weise erhält der Benutzer schnell und zuverlässig die benötigten Angaben, um die richtige Menge an Gargut vorzubereiten und in das Gargerät einzuführen. Dadurch werden stets optimale Ergebnisse erzielt und das Gargerät kann zudem effizienter betrieben werden.In this way, the user quickly and reliably receives the information needed to prepare the correct amount of food to be cooked and introduce it into the cooking appliance. As a result, optimal results are always achieved and the cooking appliance can also be operated more efficiently.

Auf diese Weise wird die Planungssicherheit bei vorausgeplanten Produktionsabläufen, Mischbeschickungen (iLevelControl) und/oder parallel ablaufenden Garprozessen erhöht, da der Ablauf bzw. die Garprozesse empfindlich gestört werden, wenn die Menge des in das Gargerät eingebrachten Garguts von der optimalen Menge abweicht.In this way, planning reliability is increased for pre-planned production processes, mixed loads (iLevelControl) and/or cooking processes running in parallel, since the process or the cooking processes are severely disrupted if the amount of food to be cooked in the cooking appliance deviates from the optimal amount.

Wird beispielsweise zu viel Gargut eingebracht, dann sinkt die Temperatur im Garraum zu stark ab, was zu einer Zeitverzögerung im Ablauf führt, die den vorausgeplanten Produktionsablauf durcheinander bringt.For example, if too much food is brought in, the temperature in the cooking chamber drops too much, which leads to a time delay in the process that messes up the pre-planned production process.

Vorzugsweise erfolgt die Ausgabe direkt nach Empfangen des gewünschten Garprozesses, damit der Benutzer keine Zeit für die Vorbereitung verliert.The output preferably takes place immediately after the desired cooking process has been received, so that the user does not lose any time preparing.

Es versteht sich von selbst, dass die Bestimmung der optimalen Menge des Gargutes gerätespezifisch ist, d.h. von der Situation des Gargerätes bzw. von der Art des Gargeräts selbst abhängt. Insbesondere besteht die Ermittlung der optimalen Menge des Gargutes nicht darin, Mengenangaben ungeprüft aus einem Rezept oder vergleichbaren Informationen abzufragen und/oder lediglich zu skalieren, z.B. an die Anzahl an gewünschten Portionen.It goes without saying that the determination of the optimal quantity of the food to be cooked is device-specific, ie depends on the situation of the cooking device or on the type of cooking device itself. In particular, the determination of the optimal quantity of the food to be cooked does not consist in querying and/or merely scaling quantity information from a recipe or comparable information without checking it, for example to the number of desired portions.

Unter einem Garprozess werden im Rahmen dieser Erfindung sowohl fest vorgegebene Abläufe des Garpfades verstanden als auch Abläufe, die von der Steuereinheit anhand aktueller Messwerte angepasst werden. Diese sich selbst anpassenden Abläufe werden auch "intelligente Garprogramme" genannt.Within the scope of this invention, a cooking process is understood to mean both fixed sequences of the cooking path and sequences that are adapted by the control unit based on current measured values. These self-adapting processes are also called "intelligent cooking programs".

Indem gerätespezifische Leistungsdaten des Gargeräts, die aktuell zur Verfügung stehende Leistung des Gargeräts, der Aufstellort des Gargerätes und/oder die Umgebung des Gargerätes bei der Ermittlung der optimalen Menge berücksichtigt werden, kann die optimale Menge noch genauer bestimmt werden.By taking into account device-specific performance data of the cooking device, the currently available power of the cooking device, the location of the cooking device and/or the environment of the cooking device when determining the optimal amount, the optimal amount can be determined even more precisely.

Zum Beispiel sind diese Parameter in der Steuereinheit hinterlegt oder werden von der Steuereinheit erfasst, vom Benutzer abgefragt und/oder anderweitig erhalten.For example, these parameters are stored in the control unit or are recorded by the control unit, queried by the user and/or obtained in some other way.

Die gerätespezifischen Leistungsdaten können die Heizdynamik, den maximal möglichen Energieeintrag und/oder die maximale Entfeuchtungsleistung des Gargeräts umfassen.The device-specific performance data can include the heating dynamics, the maximum possible energy input and/or the maximum dehumidification performance of the cooking device.

Die aktuell zur Verfügung stehende Leistung kann auch von äußeren Faktoren abhängen, wie Leistungsschwankungen im Strom und/oder Gasnetz und/oder auch von der Umgebungstemperatur und der Umgebungsfeuchtigkeit.The power currently available can also depend on external factors, such as power fluctuations in the electricity and/or gas network and/or the ambient temperature and humidity.

Beispielsweise umfassen die Ausgabemittel ein Display, auf dem die optimale Menge angezeigt wird, um eine einfache Ausgabe der optimalen Menge zu ermöglichen.For example, the dispensing means include a display on which the optimal amount is shown to allow easy dispensing of the optimal amount.

Um den Empfang des Garprozesses einfach zu gestalten, wird der gewünschte Garprozess dadurch empfangen, dass der Benutzer den gewünschten Garprozess über Eingabemittel auswählt.In order to make it easy to receive the cooking process, the desired cooking process is received by the user selecting the desired cooking process using input means.

Die Eingabemittel sind zum Beispiel am Gargerät selbst vorgesehen, wie eine Tastatur, ein Touch-Display und/oder ein Knopf, z. B. ein Drehknopf.The input means are provided, for example, on the cooking appliance itself, such as a keyboard, a touch display and/or a button, e.g. B. a knob.

Die Eingabemittel und/oder Ausgabemittel können aber auch ein vom Gargerät separates Endgerät sein, wie ein separater Computer und/oder ein mobiles Endgerät, der bzw. das mit dem Gargerät zum Datenaustausch verbunden ist. Der Datenaustausch kann kabelgebunden aber auch kabellos erfolgen.However, the input means and/or output means can also be a terminal device that is separate from the cooking appliance, such as a separate computer and/or a mobile terminal device that is connected to the cooking appliance for data exchange. The data exchange can be wired but also wireless.

Dabei kann die optimale Menge größer sein, je länger die gewünschte oder produkttypische Garzeit ist, je niedriger der gewünschte Bräunungsgrad ist und/oder je größer die gewünschte Kerntemperatur ist.The optimal amount can be larger, the longer the desired or product-typical cooking time, the lower the desired degree of browning and/or the higher the desired core temperature.

Die Steuereinheit erfasst dabei durch Extraktion aus dem gewünschten Garprozess oder durch einen Sensor am Gargerät, wie eine Kamera, ob und wieviel einer bräunungsunterstützenden Substanz verwendet wird.The control unit detects whether and how much of a browning-supporting substance is used by extraction from the desired cooking process or by a sensor on the cooking appliance, like a camera.

Zum Beispiel erfolgt die Erfassung der Tiefkühl- und/oder Frischeinformationen durch Eingabe durch den Benutzer und/oder durch Auswertung der Veränderung der Garraumatmosphäre nach dem Einbringen des zu garenden Gargutes in den Garraum.For example, the frozen and/or freshness information is recorded by input by the user and/or by evaluating the change in the cooking chamber atmosphere after the food to be cooked has been placed in the cooking chamber.

In einer Ausgestaltung der Erfindung schreibt die Steuereinheit während des Garprozesses Logdaten mit, fragt nach Beendigung des Garprozesses die Zufriedenheit des Benutzers mit dem Ergebnis des Garprozesses ab und die Steuereinheit verknüpft die Zufriedenheit mit den Logdaten des Garprozesses. Dadurch lässt sich Feedback zur Verbesserung des Garprozesses und der Bestimmung der optimalen Menge gewinnen.In one embodiment of the invention, the control unit writes log data during the cooking process, queries the user's satisfaction with the result of the cooking process after the end of the cooking process, and the control unit links the satisfaction with the log data of the cooking process. This provides feedback to improve the cooking process and determine the optimal amount.

Beispielsweise enthalten die Logdaten Sollwerte und Messwerte der Garraumatmosphäre und/oder des Gargutes und Abweichungen zwischen den Sollwerten und den Messwerten werden von der Steuereinheit ermittelt, wobei die Abweichungen anhand der Zufriedenheit mit dem Garprozess, in dem die Abweichungen aufgetreten sind, als positiv oder negativ bewertet werden. Auf diese Weise können präzise Veränderungen am Garprozess bewertet werden.For example, the log data contain setpoints and measured values for the atmosphere in the cooking chamber and/or the food to be cooked, and deviations between the setpoints and the measured values are determined by the control unit, with the deviations being evaluated as positive or negative based on satisfaction with the cooking process in which the deviations occurred will. In this way, precise changes in the cooking process can be evaluated.

Die wenigstens eine bewertete Abweichung kann einer des wenigstens einen aktuellen mengenrelevanten Parameters sein.The at least one evaluated deviation can be one of the at least one current quantity-relevant parameter.

Um auch die aktuelle Situation im Garraum bei der Bestimmung der optimalen Menge zu berücksichtigen, ermittelt die Steuereinheit in einer weiteren Ausführungsform der Erfindung die Anzahl und/oder Lage an belegten Einschüben, die aktuell belegt sind oder deren Belegung geplant ist, und die Anzahl und/oder Lage der belegten Einschübe ist einer des wenigstens einen aktuellen mengenrelevanten Parameters.In order to also take into account the current situation in the cooking chamber when determining the optimum quantity, in a further embodiment of the invention the control unit determines the number and/or location of occupied racks that are currently occupied or whose occupancy is planned, and the number and/or or the position of the occupied slots is one of the at least one current quantity-relevant parameter.

Dabei können belegte Einschübe durch Sensoren des Gargerätes oder der Bonplatzierung erkannt werden.Occupied racks can be detected by sensors in the cooking appliance or the placement of the receipt.

Belegte Einschübe reduzieren die mögliche Menge des zu garenden Garguts, sodass die Anzahl an belegten Einschüben von der maximal möglichen Menge des zu garenden Garguts abgezogen werden.Occupied racks reduce the possible amount of food to be cooked, so the number of occupied racks is deducted from the maximum possible amount of food to be cooked.

In einer Ausführungsvariante wird eine optimale Belegung der im Gargerät vorhandenen Einschübe mit dem zu garenden Gargut von der Steuereinheit ermittelt und die optimale Belegung wird ausgegeben, um das Ergebnis des Garprozesses weiter zu verbessern.In one embodiment variant, the control unit determines an optimal allocation of the racks in the cooking appliance with the food to be cooked and the optimal allocation is output in order to further improve the result of the cooking process.

Beispielsweise ermittelt die Steuereinheit, welche tatsächliche Menge des zu garenden Gargutes tatsächlich in den Garraum eingebracht wurde, vergleicht die tatsächliche Menge mit der optimalen Menge und speichert das Ergebnis des Vergleiches, wodurch eine Dokumentation des Garprozesses erreicht wird.For example, the control unit determines what actual quantity of the food to be cooked was actually placed in the cooking chamber, compares the actual quantity with the optimum quantity and stores the result of the comparison, thereby documenting the cooking process.

Vorzugsweise werden zukünftige Garprozesses von der Steuereinheit anhand der abgespeicherten Ergebnisse angepasst, um die Qualität des Garprozesses zu erhöhen.Future cooking processes are preferably adjusted by the control unit using the stored results in order to increase the quality of the cooking process.

Zum Beispiel führt eine mehrmalige Beladung oberhalb oder unterhalb der optimalen Beladungsmenge zu einer Erhöhung bzw. Verringerung der Vorheiztemperatur- und/oder Dauer.For example, repeated loading above or below the optimal loading amount leads to an increase or decrease in the preheating temperature and/or duration.

Ferner wird die Aufgabe gelöst durch ein Gargerät mit einem Garraum zum Garen von Gargütern und einer Steuereinheit, die dazu eingerichtet ist, das erfindungsgemäße Verfahren durchzuführen.The object is also achieved by a cooking appliance with a cooking space for cooking food and a control unit that is set up to carry out the method according to the invention.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung sowie aus den beigefügten Zeichnungen, auf die Bezug genommen wird. In den Zeichnungen zeigen:

  • Figur 1 ein erfindungsgemäßes Gargerät, und
  • Figur 2 einen schematischen Ablauf des erfindungsgemäßen Verfahrens.
Further features and advantages of the invention emerge from the following description and from the accompanying drawings, to which reference is made. In the drawings show:
  • figure 1 a cooking appliance according to the invention, and
  • figure 2 a schematic sequence of the method according to the invention.

In Figur 1 ist schematisch ein Gargerät 10 gezeigt, das für den Profieinsatz in Restaurants, Kantinen, Großküchen und der Großgastronomie vorgesehen ist. Es kann sich hier beispielsweise um einen Kombidämpfer handeln, der unterschiedliche Speisen mit Heißluft und/oder Heißdampf zubereiten kann. Zusätzlich kann das Gargerät eine Mikrowellenquelle zum Zubereiten des Gargutes mittels Mikrowellen aufweisen.In figure 1 a cooking appliance 10 is shown schematically, which is intended for professional use in restaurants, canteens, commercial kitchens and large catering establishments. It can be here, for example, a combi steamer that can prepare different dishes with hot air and/or superheated steam. In addition, the cooking appliance can have a microwave source for preparing the food to be cooked using microwaves.

Die entsprechenden Garprozesse laufen vorzugsweise automatisch in Abhängigkeit vom jeweiligen Gargut, dem gewünschten Endzustand und auch von der Beladung des Gargeräts 10 ab. Bauteile des Gargerätes 10, wie ein Dampfgenerator, ein Gebläse, etc., sind hier nicht dargestellt, da sie zum Verständnis der Erfindung nicht erforderlich sind.The corresponding cooking processes preferably run automatically as a function of the respective food to be cooked, the desired end state and also the loading of the cooking appliance 10 . Components of the cooking appliance 10, such as a steam generator, a fan, etc., are not shown here because they are not necessary for understanding the invention.

Das Gargerät 10 ist in Frontansicht dargestellt und weist einen Garraum 12 auf, der von einer nicht gezeigten Garraumtür verschlossen werden kann.The cooking appliance 10 is shown in a front view and has a cooking chamber 12 which can be closed by a cooking chamber door, not shown.

Im Garraum 12 ist ein Gestell 14 vorgesehen, das mehrere Einschübe 16 des Garraumes 12 definiert.A frame 14 is provided in the cooking chamber 12 and defines a plurality of racks 16 of the cooking chamber 12 .

In die Einschübe 16 können Gargutträger mit Gargütern eingeführt werden, um diese im Garraum 12 zu garen.Food carriers with food to be cooked can be inserted into the racks 16 in order to cook them in the cooking chamber 12 .

Im gezeigten Ausführungsbeispiel ist oberhalb des Garraumes 12 ein Sensor 18, hier eine Kamera vorgesehen, die den Garraum 12 und den Bereich vor dem Garraum 12 überwachen kann.In the exemplary embodiment shown, a sensor 18 , here a camera, is provided above the cooking chamber 12 and can monitor the cooking chamber 12 and the area in front of the cooking chamber 12 .

Neben dem Garraum ist ein Bereich mit Eingabemitteln 20 und Ausgabemitteln 22 vorgesehen.An area with input means 20 and output means 22 is provided next to the cooking chamber.

Im gezeigten Ausführungsbeispiel sind als Eingabemittel 20 ein Knopf 24, der als Drehknopf ausgeführt sein kann, und ein Touch-Display 26 vorgesehen.In the exemplary embodiment shown, a button 24, which can be embodied as a rotary knob, and a touch display 26 are provided as input means 20.

Das Touch-Display 26 dient gleichzeitig als Ausgabemittel 22.The touch display 26 also serves as an output device 22.

Selbstverständlich kann das Gargerät 10 auch einen Lautsprecher als Ausgabemittel 22 und ein Mikrofon als Eingabemittel 20 aufweisen.Of course, the cooking appliance 10 can also have a loudspeaker as the output means 22 and a microphone as the input means 20 .

Als Eingabemittel 20 und/oder Ausgabemittel 22 kann auch ein vom Gargerät 10 separates Endgerät 28 vorgesehen sein, das in Figur 1 als separates mobiles Endgerät, wie ein Smartphone oder ein Tablet, dargestellt ist.A terminal 28 that is separate from the cooking appliance 10 can also be provided as the input means 20 and/or output means 22 figure 1 as a separate mobile device such as a smartphone or tablet.

Selbstverständlich kann das separate Endgerät 28 auch ein PC oder Computer sein.Of course, the separate terminal 28 can also be a PC or computer.

Das separate Endgerät 28 ist zum Datenaustausch mit dem Gargerät 10 verbunden. Der Datenaustausch kann kabelgebunden oder kabellos erfolgen.The separate end device 28 is connected to the cooking appliance 10 for data exchange. Data exchange can be wired or wireless.

Außerdem weist das Gargerät 10 verschiedene Sensoren auf, die verschiedene Messwerte der Atmosphäre im Garraum 12, wie die Temperatur oder die Feuchte, erfassen können. Diese Sensoren sind bekannt und in Figur 1 nicht dargestellt.In addition, the cooking appliance 10 has various sensors that can record various measured values of the atmosphere in the cooking chamber 12, such as the temperature or humidity. These sensors are known and in figure 1 not shown.

Das Gargerät 10 hat außerdem eine Steuereinheit 30, die das Gargerät 10, insbesondere die Heizvorrichtungen steuert.The cooking appliance 10 also has a control unit 30 which controls the cooking appliance 10, in particular the heating devices.

Die Steuereinheit 30 ist mit dem Sensor 18, den Eingabemitteln 20 sowie den Ausgabemitteln 22 elektrisch verbunden und kann mit dem separaten Endgerät 28 kommunizieren.The control unit 30 is electrically connected to the sensor 18, the input means 20 and the output means 22 and can communicate with the separate end device 28.

Während des Betriebs des Gargerätes 10 können verschiedene Gargüter in den verschiedenen Einschüben 16 des Garraumes 12 gleichzeitig gegart werden.During the operation of the cooking appliance 10, different items to be cooked can be cooked simultaneously in the different racks 16 of the cooking chamber 12.

Für jedes Gargut wurde ein Garprozess ausgewählt, und die Steuereinheit 30 steuert mittels der Heizvorrichtung und dem Dampferzeuger die Atmosphäre des Garraums so, dass jede der im Garraum befindlichen Speisen optimal gegart wird.A cooking process was selected for each item to be cooked, and the control unit 30 controls the atmosphere of the cooking chamber by means of the heating device and the steam generator in such a way that each of the foods in the cooking chamber is cooked optimally.

Die zeitliche Abfolge, mit der die einzelnen Gargüter im Garraum 12 gegart werden, kann vom Benutzer über das Touch-Display 26 erstellt und bearbeitet werden. Der Benutzer erzeugt hierzu auf dem Touch-Display 26 Bons, die er verschiedenen Einschüben 16 und Zeitpunkten zuordnet. Auch dieses Verfahren ist bekannt.The chronological sequence with which the individual items to be cooked are cooked in the cooking chamber 12 can be created and edited by the user via the touch display 26 . For this purpose, the user generates receipts on the touch display 26, which he assigns to different slots 16 and times. This method is also known.

Zur Erläuterung des erfindungsgemäßen Verfahrens sei angenommen, dass zwei Einschübe 16 bereits mit Gargütern belegt sind, die im Garraum garen.To explain the method according to the invention, it is assumed that two racks 16 are already occupied with items to be cooked that are cooking in the cooking chamber.

Der Benutzer des Gargerätes möchte nun ein weiteres zu garendes Gargut zubereiten und wählt den gewünschten Garprozess über das Touch-Display 26, den Knopf 24 oder auch das separate Endgerät 28 aus.The user of the cooking appliance would now like to prepare another item to be cooked and selects the desired cooking process via the touch display 26, the button 24 or the separate terminal 28.

Die Steuereinheit 30 empfängt den gewünschten Garprozess (Schritt S1) und extrahiert anschließend in Schritt S2 verschiedene, aktuelle mengenrelevante Parameter P.The control unit 30 receives the desired cooking process (step S1) and then extracts various current quantity-relevant parameters P in step S2.

Zum Beispiel extrahiert die Steuereinheit 30 als einen aktuellen mengenrelevanten Parameter P1 den gewünschten Bräunungsgrad, d. h. die Farbe oder die Menge an Krustenbildung, die das fertiggegarte Gargut aufweisen soll.For example, the control unit 30 extracts the desired degree of browning as a current quantity-relevant parameter P 1 , ie the color or the amount of crust formation that the finished cooking product should have.

Als aktuellen mengenrelevanten Parameter P2 kann die Steuereinheit 30 außerdem die gewünschte Kerntemperatur extrahieren, sofern ein Kerntemperaturfühler verwendet wird.The control unit 30 can also extract the desired core temperature as the current quantity-relevant parameter P 2 , provided a core temperature sensor is used.

Als weiteren aktuellen mengenrelevanten Parameter P3 kann das gewünschte Garverfahren verwendet werden, also ob das zu garende Gargut mittels Heißdampf, Heißluft, Mikrowellen oder einer Kombination davon gegart werden soll.The desired cooking method can be used as a further current quantity-relevant parameter P 3 , ie whether the food to be cooked is to be cooked using superheated steam, hot air, microwaves or a combination thereof.

Selbstverständlich wird auch die Art des zu garenden Garguts, d. h. Fleisch, Gemüse, etc., als ein aktueller, mengenrelevanter Parameter P4 von der Steuereinheit 30 extrahiert und verwendet.Of course, the type of food to be cooked, ie meat, vegetables, etc., is also extracted and used by the control unit 30 as a current, quantity-relevant parameter P 4 .

Auch die gewünschte Garzeit oder die Garzeit, die für das Gargut produkttypisch ist, können als aktuelle mengenrelevante Parameter P5 bzw. P6 von der Steuereinheit 30 aus dem gewünschten Garprozess extrahiert werden.The desired cooking time or the cooking time that is product-specific for the food to be cooked can also be extracted from the desired cooking process by the control unit 30 as current quantity-relevant parameters P 5 or P 6 .

Außerdem kann von der Steuereinheit 30 anhand des Garprozesses erkannt werden, ob bräunungsunterstützende Substanzen verwendet werden.In addition, the control unit 30 can use the cooking process to identify whether browning-promoting substances are being used.

Bräunungsunterstützende Substanzen sind z. B. Marinaden oder bestimmte Gewürze, die Einfluss auf die Geschwindigkeit der Bräunung des Gargutes haben.Substances that support tanning are e.g. B. marinades or certain spices that affect the speed of browning of the food.

Von daher kann die Verwendung und/oder die verwendete Menge der bräunungsunterstützenden Substanzen ein aktueller mengenrelevanter Parameter P7 sein.Therefore, the use and/or the amount used of the tanning-promoting substances can be a current, quantity-relevant parameter P 7 .

Alternativ oder zusätzlich kann die Steuereinheit 30 Daten vom Sensor 18 empfangen, im gezeigten Ausführungsbeispiel also Bilder des Gargutes von der Kamera, und anhand der Daten des Sensors 18 ermitteln, ob und wie viel bräunungsunterstützende Substanzen verwendet werden.Alternatively or additionally, the control unit 30 can receive data from the sensor 18, in the exemplary embodiment shown images of the food to be cooked from the camera, and can use the data from the sensor 18 to determine whether and how much browning-promoting substances are being used.

In diesem Falle erfasst die Steuereinheit 30 also den mengenrelevanten Parameter P7.In this case, the control unit 30 therefore records the quantity-relevant parameter P 7 .

Ein weiterer mengenrelevanter Parameter P8, der von der Steuereinheit 30 erfasst wird, sind Tiefkühl- und/oder Frischeinformationen des zu garenden Gargutes, also Informationen über den Zustand des zu garenden Gargutes vor dem Garen, beispielsweise ob das Gargut tiefgekühlt ist, aufgetaut ist oder besonders frisch ist.Another quantity-relevant parameter P 8 , which is recorded by the control unit 30, is frozen and/or freshness information of the food to be cooked, i.e. information about the condition of the food to be cooked before cooking, for example whether the food is frozen, thawed or is particularly fresh.

Diese Tiefkühl- und/oder Frischeinformationen können vom Benutzer über die Eingabemittel 20 an die Steuereinheit 30 übergeben werden.This frozen and/or freshness information can be transferred to the control unit 30 by the user via the input means 20 .

Denkbar ist auch, dass sich die Steuereinheit 30 diese Informationen selber erschließt, indem sie die Veränderung der Garraumatmosphäre misst, nachdem das zu garende Gargut in den Garraum 12 eingebracht wurde. Beispielsweise fällt die Temperatur im Garraum 12 besonders stark ab, wenn das zu garende Gargut tiefgekühlt ist.It is also conceivable for the control unit 30 to acquire this information itself by measuring the change in the cooking chamber atmosphere after the food to be cooked has been placed in the cooking chamber 12 . For example, the temperature in the cooking chamber 12 drops particularly sharply when the food to be cooked is deep-frozen.

Diese Informationen stehen dann erst später zur Verfügung und können gegebenenfalls noch zur Korrektur der optimalen Menge herangezogen werden.This information is only available later and can also be used to correct the optimal quantity if necessary.

Ein weiterer mengenrelevanter Parameter P9, der von der Steuereinheit 30 erfasst wird, kann die Anzahl an Einschüben 16 sein, die derzeit belegt sind oder deren Verwendung während des gewünschten Garprozesses für andere Gargüter bereits geplant ist.Another quantity-relevant parameter P 9 that is recorded by the control unit 30 can be the number of racks 16 that are currently occupied or whose use is already planned during the desired cooking process for other items to be cooked.

Die Steuereinheit 30 kann die Informationen über die Belegung der Einschübe 16 aus den Daten des Sensors 18 gewinnen und aus der Anordnung und Platzierung der Bons durch den Benutzer.The control unit 30 can obtain information about the occupancy of the slots 16 from the data from the sensor 18 and from the arrangement and placement of the receipts by the user.

Außerdem können als weiterer aktueller mengenrelevanter Parameter P10 Erfahrungswerte aus vorangegangenen Garprozessen und der Zufriedenheit des Benutzers mit diesen Garprozessen verwendet werden, die nach dem Garen abgefragt wird, wie später beschrieben.In addition, empirical values from previous cooking processes and the user's satisfaction with these cooking processes can be used as a further current quantity-relevant parameter P 10 , which is queried after cooking, as described later.

Als weitere mengenrelevante Parameter P11 sind die Garprozesse und mengenrelevanten Parameter der übrigen im Garraum 12 vorhandenen Gargüter denkbar. Dies umfasst auch solche Gargüter, die noch nicht im Garraum sind, aber deren Zubereitung geplant ist.The cooking processes and parameters relevant to the quantity of the other items to be cooked present in the cooking chamber 12 are conceivable as further parameters P 11 relevant to quantity. This also includes items to be cooked that are not yet in the cooking compartment but are planned to be prepared.

Alle oder ein Teil dieser mengenrelevanten Parameter P1 bis P11 zieht die Steuereinheit 30 im nächsten Schritt S3 heran, um die Menge des zu garenden Gargutes zu berechnen, die für den gewünschten Garprozess und die aktuellen Bedingungen optimal ist, um das beste Ergebnis zu erzielen.In the next step S3, the control unit 30 uses all or part of these quantity-relevant parameters P 1 to P 11 to determine the quantity of the to-be-cooked Calculate the food that is optimal for the desired cooking process and the current conditions in order to achieve the best result.

Beispielsweise kann bei einer vorgegebenen Garzeit eine größere Menge an Gargut perfekt gegart und gebräunt werden, wenn Marinade oder bräunungsfördernde Gewürze verwendet werden. Daher wird, falls der aktuelle mengenrelevante Parameter P7 die Verwendung von bräunungsfördernden Substanzen anzeigt, eine größere Menge an Gargut als optimale Menge angegeben.For example, a larger amount of food can be perfectly cooked and browned in a given cooking time if marinade or browning-enhancing condiments are used. Therefore, if the current quantity-relevant parameter P 7 indicates the use of browning-promoting substances, a larger quantity of food to be cooked is specified as the optimum quantity.

In ähnlicher Weise ist die optimale Menge an Gargut größer, je länger die gewünschte produkttypische Garzeit (mengenrelevanter Parameter P6) die gewünschte Garzeit (mengenrelevanter Parameter P5) ist, da dann eine größere Menge Gargut vollständig gegart werden kann.Similarly, the longer the desired product-typical cooking time (quantity-relevant parameter P 6 ) the desired cooking time (quantity-relevant parameter P 5 ), the greater the optimal quantity of food to be cooked, since a larger quantity of food to be cooked can then be fully cooked.

Das gleiche gilt für eine höhere gewünschte Kerntemperatur.The same applies to a higher desired core temperature.

Zum Beispiel ist außerdem die optimale Menge größer, wenn der gewünschte Bräunungsgrad niedriger ist, da weniger Energie notwendig ist, um einen geringeren Bräunungsgrad zu erreichen. Diese Abhängigkeiten zwischen den aktuellen mengenrelevanten Parametern P1 bis P10 sind beispielsweise als eine Wertetabelle in einem Speicher der Steuereinheit 30 hinterlegt.Also, for example, the optimal amount is greater when the desired level of browning is lower, since less energy is required to achieve a lower level of browning. These dependencies between the current quantity-relevant parameters P 1 to P 10 are stored, for example, as a table of values in a memory of the control unit 30 .

Denkbar ist auch, dass diese Wertetabelle auf einem Server im lokalen Netzwerk oder im Internet liegt, auf die die Steuereinheit 30 zugreifen kann.It is also conceivable that this table of values is located on a server in the local network or on the Internet, which the control unit 30 can access.

Zur Bestimmung der optimalen Menge greift die Steuereinheit 30 auch auf andere Parameter zurück, die einen Einfluss auf den Garprozess haben.To determine the optimal amount, the control unit 30 also uses other parameters that have an influence on the cooking process.

Einer dieser Parameter ist beispielsweise die Leistung des Gargerätes 10, sodass die Steuereinheit 30 die Leistungsdaten des Gargeräts 10 heranzieht. Diese können nominelle Leistungsdaten sein, die fest in der Steuereinheit 30 hinterlegt sind.One of these parameters is, for example, the performance of the cooking appliance 10, so that the control unit 30 uses the performance data of the cooking appliance 10. These can be nominal performance data that are permanently stored in the control unit 30 .

Die gerätespezifischen Leistungsdaten können die Heizdynamik, den maximal möglichen Energieeintrag und oder die maximale Entfeuchtungsleistung des Gargeräts 10 umfassen.The device-specific performance data can include the heating dynamics, the maximum possible energy input and/or the maximum dehumidification performance of the cooking device 10 .

Allerdings kann die Leistung auch von äußeren Faktoren beeinflusst werden. Zum Beispiel hängt die aktuell zur Verfügung stehende Leistung des Gargeräts 10 sowohl von Leistungsschwankungen im Stromnetz und/oder Gasnetz ab als auch von der Umgebungstemperatur und Umgebungsfeuchtigkeit. Die Leistung des Stromnetzes, die Leistung des Gasnetzes, die Umgebungstemperatur und/oder die Umgebungsfeuchte können durch Sensoren von der Steuereinheit 30 bestimmt werden.However, the performance can also be influenced by external factors. For example, the currently available power of the cooking appliance 10 depends both on power fluctuations in the power grid and/or gas grid and on the ambient temperature and ambient humidity. The performance of the electricity network, the performance of the gas network, the ambient temperature and/or the ambient humidity can be determined by the control unit 30 using sensors.

Auch der Aufstellort des Gargerätes 10 ist relevant, da die Höhe des Gargerätes 10 über dem Meeresspiegel die Siedetemperatur von Wasser und damit die Dampferzeugung beeinflusst. Zum Beispiel kann der Aufstellort oder die Höhe durch die Steuereinheit 30 vom Benutzer abgefragt werden.The location of the cooking appliance 10 is also relevant since the height of the cooking appliance 10 above sea level affects the boiling temperature of water and thus the generation of steam. For example, the installation location or the height can be queried by the control unit 30 from the user.

Die auf diese Weise ermittelte optimale Menge des zu garenden Gargutes wird anschließend über die Ausgabemittel 22, im gezeigten Beispiel also das Touch-Display 26 oder das separate Endgerät 28 an den Benutzer ausgegeben (Schritt S4).The optimal quantity of the food to be cooked determined in this way is then output to the user via the output means 22, in the example shown the touch display 26 or the separate terminal 28 (step S4).

Die Bestimmung der optimalen Menge und deren Ausgabe erfolgt direkt, nachdem der Benutzer den gewünschten Garprozess ausgewählt hat.The determination of the optimal amount and its output takes place directly after the user has selected the desired cooking process.

Der Benutzer erhält daher auf diese Weise, unmittelbar nachdem er den gewünschten Garprozess gewählt hat, Informationen darüber, welche Menge des zu garenden Garguts er vorzubereiten hat.In this way, the user therefore receives information about how much of the food to be cooked he has to prepare immediately after he has selected the desired cooking process.

Die maximal mögliche Menge an Gargut, die in das Gargerät eingeführt werden kann, ist von der Anzahl der Einschübe 16 im Garraum 12 abhängig. Da im diskutierten Beispiel bereits Einschübe belegt sind oder belegt werden, stehen diese zum Garen des zu garenden Garguts nicht zur Verfügung. Daher wird die maximal mögliche Menge des zu garenden Garguts ohne diese Einschübe 16 berechnet.The maximum possible quantity of food to be cooked that can be introduced into the cooking appliance depends on the number of racks 16 in the cooking chamber 12 . Since in the example under discussion racks are already occupied or will be occupied, these are not available for cooking the food to be cooked. The maximum possible quantity of the food to be cooked is therefore calculated without these inserts 16.

In anderen Worten werden die belegten Einschübe oder die Einschübe 16, die belegt werden, von der Anzahl der im Garraum 12 vorhandenen Einschübe 16 abgezogen.In other words, the occupied racks or the racks 16 that are occupied are deducted from the number of racks 16 present in the cooking chamber 12 .

Außerdem kann die optimale Menge an Gargut in Abhängigkeit der vorhandenen Einschübe 16 ausgegeben werden.In addition, the optimal amount of food to be cooked can be dispensed depending on the available racks 16.

Zum Beispiel kann im Falle eines Roastbeefs, das das zu garende Gargut sein soll, nur jeder zweite Einschub 16 verwendet werden, wenn die Kerntemperatur lediglich 48 °C betragen soll. Soll die Kerntemperatur jedoch 65 °C betragen, können jeweils zwei von drei Einschüben 16 verwendet werden.For example, in the case of roast beef, which is to be the food to be cooked, only every second rack 16 can be used if the core temperature is to be only 48.degree. However, if the core temperature is to be 65° C., two of the three inserts 16 can be used.

Gleichzeitig oder anschließend ermittelt die Steuereinheit 30, in welche Einschübe 16 das zu garende Gargut eingefügt werden soll, um eine optimale Belegung der Einschübe 16 zu erhalten. Auch die optimale Belegung der Einschübe 16 wird über die Ausgabemittel 22 ausgegeben (Schritt S5).At the same time or subsequently, the control unit 30 determines in which racks 16 the food to be cooked is to be inserted in order to obtain an optimal occupancy of the racks 16 . The optimal occupancy of the slots 16 is also output via the output means 22 (step S5).

Der Benutzer des Gargerätes kann nun also die gewünschte Menge bzw. die optimale Menge an Gargut vorbereiten und in den dafür vorgesehenen Einschub 16 in den Garraum 12 einbringen. Daraufhin wird der gewünschte Garprozess gestartet.The user of the cooking appliance can now prepare the desired quantity or the optimal quantity of food to be cooked and place it in the slot 16 provided for this purpose in the cooking chamber 12 . The desired cooking process is then started.

Sobald das zu garende Gargut in den Garraum eingebracht wurde, ermittelt die Steuereinheit 30 die tatsächliche Menge des Gargutes, die in den Garraum 12 eingeführt wurde.As soon as the food to be cooked has been placed in the cooking chamber, the control unit 30 determines the actual quantity of the food to be cooked that has been introduced into the cooking chamber 12 .

Dies kann mittels des Sensors 18 oder auf andere, bekannte Weise geschehen.This can be done using the sensor 18 or in other known ways.

Die Steuereinheit 30 vergleicht dann die tatsächliche Menge des zu garenden Gargutes mit der optimalen Menge des zu garenden Gargutes und speichert das Ergebnis ab (Schritt S6).The control unit 30 then compares the actual amount of food to be cooked with the optimal amount of food to be cooked and stores the result (step S6).

Falls die tatsächliche Menge des eingeführten Gargutes häufig oder mehrmals oberhalb oder unterhalb der optimalen an den Benutzer ausgegebenen Menge liegt, kann die Steuereinheit 30 den Garprozess anpassen. Zum Beispiel kann die Steuereinheit 30 die Vorheiztemperatur oder Vorheizdauer für zukünftige Garprozesse erhöhen bzw. verringern.If the actual quantity of the food to be cooked that is fed in is often or several times above or below the optimal quantity dispensed to the user, the control unit 30 can adapt the cooking process. For example, the controller 30 may increase or decrease the preheat temperature or preheat time for future cooking processes.

Während des Garprozesses dokumentiert die Steuereinheit 30 die Sollwerte der Eigenschaften der Garraumatmosphäre, wie Temperatur, Feuchte und dergleichen, und protokolliert die Messwerte (Ist-Werte) dieser Eigenschaften, die von den Sensoren im Garraum 12 aufgenommen und zur Steuereinheit 30 übermittelt wurden.During the cooking process, the control unit 30 documents the target values for the properties of the cooking chamber atmosphere, such as temperature, humidity and the like, and logs the measured values (actual values) of these properties, which were recorded by the sensors in the cooking chamber 12 and transmitted to the control unit 30.

Die Steuereinheit 30 schreibt diese Sollwerte und Messwerte als Logdaten mit (Schritt S7).The control unit 30 also writes these target values and measured values as log data (step S7).

Nach Beendigung des Garprozesses, z. B. nach vorgesehenem Ablauf der Gardauer oder wenn der Benutzer den Garprozess vorzeitig abbricht, wird der Benutzer über die Ausgabemittel 22 aufgefordert, seine Zufriedenheit mit dem Ergebnis des Garprozesses anzugeben. Dies kann im einfachsten Fall als Frage "zufrieden?" ausgestaltet sein, die mittels eines Knopfdrucks bestätigt werden kann.After completion of the cooking process, e.g. B. after the intended end of the cooking time or if the user terminates the cooking process prematurely, the user is prompted via the output means 22 to indicate his satisfaction with the result of the cooking process. In the simplest case, this can be asked as "satisfied?" be configured, which can be confirmed by pressing a button.

Der Benutzer übergibt dann über die Eingabemittel 20 seine Zufriedenheit an das Gargerät 10 bzw. die Steuereinheit 30 (Schritt S8).The user then transmits his satisfaction to the cooking appliance 10 or the control unit 30 via the input means 20 (step S8).

Im nächsten Schritt S9 verknüpft die Steuereinheit 30 die Zufriedenheit des Benutzers über den Garprozess mit den Logdaten. Dies kann beispielsweise dadurch geschehen, dass die Steuereinheit 30 die Abweichungen zwischen den Sollwerten und den Messwerten ermittelt, die während des Garprozesses aufgezeichnet wurden.In the next step S9, the control unit 30 links the user's satisfaction with the cooking process to the log data. This can be done, for example, by the control unit 30 determining the deviations between the target values and the measured values that were recorded during the cooking process.

Ist der Benutzer trotz Abweichungen mit dem Garprozess zufrieden, können diese Abweichungen als positiv bewertet werden. Im anderen Fall erhalten diese Abweichungen eine negative Bewertung.If the user is satisfied with the cooking process despite deviations, these deviations can be evaluated as positive. Otherwise, these deviations receive a negative evaluation.

Diese Bewertungen bzw. Erfahrungen können dann als weiterer mengenrelevanter Parameter P10, wie zuvor beschrieben, zur Bestimmung der optimalen Menge herangezogen werden.These evaluations or experiences can then be used as a further quantity-relevant parameter P 10 to determine the optimal quantity, as described above.

Außerdem können diese Erfahrungen von der Steuereinheit 30 dazu verwendet werden, zukünftige Garprozesse an die Wünsche des Benutzers anzupassen.In addition, these experiences can be used by the control unit 30 to adapt future cooking processes to the user's wishes.

Auf diese Weise erhält der Benutzer, sofern er die optimale und ihm angezeigte Menge an Gargut zum Garen in das Gargerät 10 einführt, stets optimale Ergebnisse und nutzt das Gargerät 10 besonders effizient.In this way, the user always receives optimal results and uses the cooking device 10 particularly efficiently, provided that he inserts the optimal amount of food to be cooked into the cooking appliance 10 that is indicated to him.

Ist der Benutzer trotz Abweichungen mit dem Garprozess zufrieden, können diese Abweichungen als positiv bewertet werden. Im anderen Fall erhalten diese Abweichungen eine negative Bewertung.If the user is satisfied with the cooking process despite deviations, these deviations can be evaluated as positive. Otherwise, these deviations receive a negative evaluation.

Diese Bewertungen bzw. Erfahrungen können dann als weiterer mengenrelevanter Parameter P10, wie zuvor beschrieben, zur Bestimmung der optimalen Menge herangezogen werden.These evaluations or experiences can then be used as a further quantity-relevant parameter P 10 to determine the optimal quantity, as described above.

Außerdem können diese Erfahrungen von der Steuereinheit 30 dazu verwendet werden, zukünftige Garprozesse an die Wünsche des Benutzers anzupassen.In addition, these experiences can be used by the control unit 30 to adapt future cooking processes to the user's wishes.

Auf diese Weise erhält der Benutzer, sofern er die optimale und ihm angezeigte Menge an Gargut zum Garen in das Gargerät 10 einführt, stets optimale Ergebnisse und nutzt das Gargerät 10 besonders effizient.In this way, the user always receives optimal results and uses the cooking device 10 particularly efficiently, provided that he inserts the optimal amount of food to be cooked into the cooking appliance 10 that is indicated to him.

Claims (8)

  1. A method of controlling a cooking device (10), comprising the steps of:
    a) receiving, by a control unit (30) of the cooking device, a desired cooking process for cooking a food to be cooked;
    b) acquiring at least one current quantity-relevant parameter (P7) from the control unit (30) or an input device, the current quantity-relevant parameter acquired being the use and, if applicable, the quantity of browning-promoting substances;
    c) determining, by the control unit (30), a device-specifically optimum quantity of the food to be cooked, taking into account device-specific performance data of the cooking device, the currently available power of the cooking device, the installation site of the cooking device and/or the environment of the cooking device, and based on the desired cooking process and the quantity-relevant parameters (P7), wherein the control unit
    - increases the optimum quantity if the use of browning-promoting substances is detected, and
    d) subsequently outputting, by means of output means (22), the optimum quantity determined.
  2. The method according to claim 1, characterized in that the output means (22) comprise a display (26) on which the optimum quantity is displayed.
  3. The method according to claim 1 or 2, characterized in that the desired cooking process is received in that the user selects the desired cooking process via input means (20).
  4. The method according to any of the preceding claims, characterized in that the control unit (30) records log data during the cooking process, the user's satisfaction with the result of the cooking process is queried after completion of the cooking process, and the control unit (30) links the satisfaction to the log data of the cooking process.
  5. The method according to claim 4, characterized in that the log data includes set values and measured values of the cooking chamber atmosphere and/or of the food to be cooked, and in that deviations between the set values and the measured values are determined by the control unit (30), the deviations being assessed as positive or negative based on the satisfaction with the cooking process in which the deviations occurred.
  6. The method according to any of the preceding claims, characterized in that the control unit (30) determines which actual quantity of the food to be cooked was actually introduced into the cooking chamber (12), compares the actual quantity to the optimum quantity, and saves the result of the comparison.
  7. The method according to claim 6, characterized in that future cooking processes are adapted by the control unit (30) on the basis of the saved results.
  8. A cooking device comprising a cooking chamber (12) for cooking food to be cooked and a control unit (30) that is configured to carry out a method according to any of the preceding claims.
EP18211329.0A 2017-12-15 2018-12-10 Cooking device and method for operating a cooking device Active EP3524888B1 (en)

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DE102010054382A1 (en) * 2010-12-13 2012-06-14 Mkn Maschinenfabrik Kurt Neubauer Gmbh & Co. Method for controlling cooking appliance e.g. frying pan, involves determining quantity and timing for addition of ingredients from cooking program, and displaying determined data on display device
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