WO2023237207A1 - Procédé de fonctionnement d'un appareil de cuisson - Google Patents

Procédé de fonctionnement d'un appareil de cuisson Download PDF

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Publication number
WO2023237207A1
WO2023237207A1 PCT/EP2022/065762 EP2022065762W WO2023237207A1 WO 2023237207 A1 WO2023237207 A1 WO 2023237207A1 EP 2022065762 W EP2022065762 W EP 2022065762W WO 2023237207 A1 WO2023237207 A1 WO 2023237207A1
Authority
WO
WIPO (PCT)
Prior art keywords
phase
main heating
cooking
heating phase
duty cycle
Prior art date
Application number
PCT/EP2022/065762
Other languages
English (en)
Inventor
Špela PARAŠUH
Klavdija JANEŽIC
Franci ŠTRAJHAR
Original Assignee
Gorenje, D.O.O
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gorenje, D.O.O filed Critical Gorenje, D.O.O
Priority to PCT/EP2022/065762 priority Critical patent/WO2023237207A1/fr
Publication of WO2023237207A1 publication Critical patent/WO2023237207A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices

Definitions

  • the present invention relates to a method for operating a cooking appliance.
  • the temperature of the heating cavity is typically adjusted due to measurements of the temperature of the air inside the cavity and the user typically sets which type of heater will be in operation by manually choosing the cooking program, the desired work of the heater by manually adjusting them.
  • said heating element or combination of elements can be operated over an estimated time.
  • the object is solved by the subject-matter of the independent claims.
  • the present invention pertains a method according to claim 1.
  • the method for operating a cooking appliance for cooking comprises a selecting of a predefined cooking algorithm based on a selected food; and a heating of a cavity of the cooking appliance by a heating device, wherein the cooking algorithm is configured to operate the heating device in a preheating phase of the cavity and in a cooking phase, wherein the cooking phase comprises at least one main heating phase, wherein the preheating phase is operated over a predefined time span and/or until a temperature of the cavity or of a tray in the cavity reaches a predefined value, wherein the predefined time span and/or the predefined value correspond to the selected food.
  • the cooking appliance can comprise an oven or any other appliances which have at least one heating element and a cavity.
  • the wording "cooking" can be understood as representing a process of heating of a chosen food, which can be frozen, pre-prepared, fresh made, meat, fish, vegetables or any other kind of food.
  • the heating device can have one or more than one heating element and which can be mounted on a top side of a cavity and inside said cavity, for example above a tray.
  • the preheating phase (one or several) can be run over a predefined time (with food or without) and depend on a kind of food, for example whether it is fresh or frozen (for example longer operation and/or higher power than for fresh food).
  • the cooking phase can be defined as such a phase (or several) at which the food is already placed to the cooking appliance and is actively heated and thereby cooked. It can be estimated by knowing the physical properties of the tray and the heating device when the temperature of the cavity or of a tray in the cavity reaches a predefined value during the preheating phase and/or during the cooking phase. For this purpose also a temperature sensor can be mounted inside the cavity which can also physically touch a tray or another element.
  • the method can, for example, use different algorithms regarding the thickness and doneness of steaks and crunchiness of pizza with optimized and increased infra heater power. In some cases it becomes possible to enable the preparing of food without additional manipulating - without turning the food, for example. Further, the method can enable the reduction of smoke.
  • the cooking an algorithm is defined for preparing a particular predefined food and wherein a plurality of cooking algorithms are saved to a memory of a controller and selected by scanning a code by a scanning device or input by a user from an interface at the cooking appliance or by a wireless communication.
  • the temperature of the cavity and/or of the tray is measured by a temperature sensor in the cavity and/or at the tray at least once at a predetermined time and/or over a predetermined time span before and/or during the preheating phase and/or during the cooking phase.
  • the preheating phase and/or during the cooking programme it is possible to estimate and/or measure the temperature of a cavity and/or of a tray on which the food is placed at one particular moment or over a predetermined time span, defined by a user or predefined in the algorithm. Then the heating can be iteratively adapted.
  • the heating power and provided heat for cooking can be increased by using more than one heating element at a same time.
  • the first main heating phase is operated over a predefined time period of the first main heating phase and in the first main heating phase an infrared heater is operated with a first duty cycle and an upper heater is operated with a second duty cycle at different moments as the infrared heater and wherein the predefined time period of the first main heating phase and the first duty cycle and the second duty cycle depend on the selected food.
  • the duty cycles can be equal and operated over same or different moments.
  • the first main heating phase is operated over a predefined time period of the first main heating phase and in the first main heating phase an infrared heater is operated with a first duty cycle and over the whole predefined time period of the first main heating phase and an upper heater is operated with a second duty cycle at partial time intervals of the predefined time period of the first main heating phase and then operated in addition to the infrared heater and wherein the predefined time period of the first main heating phase and the first duty cycle and the second duty cycle depend on the selected food.
  • the preheating can be done over a predefined time or until a temperature measured by a sensor is reached.
  • the shape of the heaters can be such that the region below the heaters can be optimally and quickly heated and the maximum possible area under the heater(s) can be heated.
  • a smoke reduction step during and/or after a cooking phase is performed, wherein the smoke reduction step comprises an alternating operation of an oven fan and of a cooling fan of the cooking appliance.
  • the cooking appliance further comprises a scanning device for scanning a code for a cooking programme.
  • the tray is a tray for grilling or a pizza stone or a baking tray.
  • the main heating phases can be adapted in time and/or heating power and interchanged if required by a particular algorithm. Also different operations can be applied as needed, for example resting, heating with only one heating element or with more than one and their times of operation, for example duty cycles, can partly or fully overlap or not overlap. Also combinations of the operation regimes are possible.
  • the tray can be placed at a predefined level in the cavity, which can depend on the type of food or the chosen algorithm and the way of cooking.
  • trays which can contact the temperature sensor and which are suitable that its temperature can be measured and adapted by the heating device within the running algorithm.
  • the controller can automatically set the needed cooking parameters depending on the scanned food.
  • the user can put the food in the cooking appliance and confirm the start of the cooking process, wherein for special types of food, for example steaks and pizza, also special algorithms can be provided or predefined.
  • the cooking program and corresponding algorithm can be chosen over a display (interface) at the cooking appliance.
  • this information can be written on the display. Further, it can be recommended turning on the hood to the user over the display.
  • the preferred or mandatory level for the tray for the corresponding food and program can be written at the display, for example level four (counted from the bottom or top of the cavity) for fish, vegetables, steaks.
  • level four counted from the bottom or top of the cavity
  • the tray should be placed upside down on level four (or different) for preheating.
  • the program can be started automatically or by confirmation by the user or after counting of a predefined time (can be shown on display or another device).
  • the display may inform the user that the temperature is reached and that the food should be placed on the tray.
  • the user can be asked whether to continue with the same program for another food or with a different program for different food or to switch the oven off. For the case of continuing the already heated tray can be considered and the next preheating phase accordingly shortened. Then the user can be again informed for placing the food on the tray according to the particularly chosen new or same program, maybe the tray can be kept on the same level or the level changed what belongs to the chosen program. All commands or info can be also communicated over wireless devices.
  • Fig. 1 shows a preheating and a cooking phase from a method according to an embodiment of the invention.
  • Fig. 2 shows a first main heating phase in the cooking phase from Fig. 1.
  • Fig. 3 shows a preheating and a cooking phase from a method according to another embodiment of the invention.
  • Fig. 4 shows a first main heating phase in the cooking phase from Fig. 3.
  • Fig. 1 shows a preheating and a cooking phase from a method according to an embodiment of the invention.
  • the first main heating phase I is operated over a predefined time period of the first main heating phase I and in the first main heating phase I an infrared heater is operated with a first duty cycle and an upper heater is operated with a second duty cycle at different moments as the infrared heater and wherein the predefined time period of the first main heating phase I and the first duty cycle and the second duty cycle depend on the selected food.
  • the embodiment of Fig. 1 can, for example, belong to a steak algorithm designed for optimal steak preparation with minimal or no manipulation during the grilling.
  • a preparation time (predefined time) can be based on the selected steak, its thickness, and desirable doneness. Thicker and more prepared steaks can have a longer preparation time.
  • Each program (algorithm) can consists of at least 3 phases; preheating phase P, first main heating phase I and second main heating phase II and in some cases also of a third phase - for example resting.
  • the first and second main heating phases can have different time periods and different duty-cycles. For how long each phase work depends on thickness and desired doneness.
  • the step of preheating P of the equipment can be used to specifically determine and provide a pre-selected temperature, which is detected through purposefully developed mechanism (estimation) or sensor(s).
  • estimate an estimate of the temperature
  • sensor(s) an estimator of the temperature
  • Said preheating concept can be also used for other embodiments of the method.
  • the second main heating phase II starts at which the heaters work in specific time periods and duty-cycles, different from the algorithm from the first main heating phase I. Both heaters work for short period of time at the same time, otherwise they are interchanging. In this phase also a smoke reduction process can work. Said algorithm(s) are designed such that first to start to work the infra heater, then both heaters work simultaneously for short period of time and then the upper starts to work. This is a more aggressive algorithm which results in browning of the meat surface, in the meat surface caramelization. In some cases it can be useful to apply a third main heating phase (not shown) in which the meat is resting for some time. This phase is included in preparation of the steaks that are very thick (larger than 4 cm) and if the user wants to have them prepared to higher core temperature (above 65°C).
  • oven fan and cooling fan are working interchangeable. Because of interchangeable fan operation specific condition occur in the oven cavity which results in better smoke reduction from the oven cavity via the ventilation system. It is beneficial because when the user opens the door after the program, less smoke is left inside the cavity. This results in better user experience.
  • Fig. 2 it can be estimated that during the first main heating phase I an infrared heater is operated with a first duty cycle and an upper heater is operated with a second duty cycle at different moments as the infrared heater (lower or higher pulses are switched on at different moments).
  • the duty cycles can be of equal length or period or differ from each other.
  • Fig. 3 shows a preheating and a cooking phase from a method according to another embodiment of the invention.
  • the embodiment of the method according to Fig. 3 can be, for example, designed for pizza preparation which can be compared to the pizza prepared in a bread oven.
  • a look of the food can be influenced and its baking time, can be extremely reduced compared to build-in ovens, range cookers and free stands.
  • a pizza prepared with this algorithm have a crunchy crust, can be juicy and have large holes in the crust. It is also possible to prepare frozen pre-prepared pizza in really short periods of time and a preparation time can depend on desired crunchiness.
  • Such a method for pizza preparation generally includes the preheating of the equipment to specifically determined and reach a pre-selected temperature.
  • the pizza is thermally treated from above and from below by the preheated tray.
  • interior holes in the crust of the pizza can be formed.
  • a program starts to work on a first main heating phase I algorithm which enables pizza preparation such that the upper side of pizza is done. In this phase browning of the crust on the upper side occur and big holes are formed.

Landscapes

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

Abstract

L'invention concerne un procédé de fonctionnement d'un appareil de cuisson pour la cuisson comprenant: la sélection d'un algorithme de cuisson prédéfini sur la base d'un aliment sélectionné; et le chauffage d'une cavité de l'appareil de cuisson par un dispositif de chauffage, l'algorithme de cuisson étant conçu pour faire fonctionner le dispositif de chauffage dans une phase de préchauffage (P) de la cavité et dans une phase de cuisson, la phase de cuisson comprenant au moins une phase de chauffage principale (I, II), la phase de préchauffage (P) étant actionnée pendant un laps de temps prédéfini et/ou jusqu'à ce qu'une température de la cavité ou d'un plateau dans la cavité atteigne une valeur prédéfinie, l'intervalle de temps prédéfini et/ou la valeur prédéfinie correspondant à l'aliment sélectionné.
PCT/EP2022/065762 2022-06-09 2022-06-09 Procédé de fonctionnement d'un appareil de cuisson WO2023237207A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2022/065762 WO2023237207A1 (fr) 2022-06-09 2022-06-09 Procédé de fonctionnement d'un appareil de cuisson

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2022/065762 WO2023237207A1 (fr) 2022-06-09 2022-06-09 Procédé de fonctionnement d'un appareil de cuisson

Publications (1)

Publication Number Publication Date
WO2023237207A1 true WO2023237207A1 (fr) 2023-12-14

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PCT/EP2022/065762 WO2023237207A1 (fr) 2022-06-09 2022-06-09 Procédé de fonctionnement d'un appareil de cuisson

Country Status (1)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018206274A1 (fr) * 2017-05-08 2018-11-15 Electrolux Appliances Aktiebolag Procédé de régulation d'un processus de cuisson dans un four de cuisson
US20210080114A1 (en) * 2019-09-13 2021-03-18 Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd. Oven with automatic control of pan elevation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018206274A1 (fr) * 2017-05-08 2018-11-15 Electrolux Appliances Aktiebolag Procédé de régulation d'un processus de cuisson dans un four de cuisson
US20210080114A1 (en) * 2019-09-13 2021-03-18 Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd. Oven with automatic control of pan elevation

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