EP0757510B1 - Restart procedure for a new heating operation of foodstuff at the end of a cooking cycle - Google Patents

Restart procedure for a new heating operation of foodstuff at the end of a cooking cycle Download PDF

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Publication number
EP0757510B1
EP0757510B1 EP19960401690 EP96401690A EP0757510B1 EP 0757510 B1 EP0757510 B1 EP 0757510B1 EP 19960401690 EP19960401690 EP 19960401690 EP 96401690 A EP96401690 A EP 96401690A EP 0757510 B1 EP0757510 B1 EP 0757510B1
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EP
European Patent Office
Prior art keywords
heating operation
information processing
processing means
food
new
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EP19960401690
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German (de)
French (fr)
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EP0757510A3 (en
EP0757510A2 (en
Inventor
Michel Guy De Matteis
Jean-Louis Marcel René Guilgue
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Moulinex SA
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Moulinex SA
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Publication of EP0757510A3 publication Critical patent/EP0757510A3/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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/66—Circuits
    • H05B6/68—Circuits for monitoring or control

Definitions

  • the invention relates to a method of restarting a new heating operation of a food at the end of cooking following a first heating operation, said food being placed inside an enclosure of a cooking appliance which is accessible by a door and which comprises at least one heating device with heating resistance, a microwave energy device, a circuit for supplying the heating device with heating resistance and with the microwave energy device, a control panel which comprises means for selecting at least predefined foods, means for entering information for a set duration T of a heating operation, means for displaying at least the set duration T and control means for triggering the progress of a heating operation; the supply circuit, the selection means, the information input means, the display means and the control means being connected to information processing means which, on the one hand, determine the different cooking phases of the heating operation to be applied to the food and, on the other hand, transmit messages, via the display means, to the user concerning said heating operation.
  • the means of treatment of information take into account all cooking phases of the first heating operation to determine the new heating operation at apply to the food.
  • this recovery procedure is unfortunately not satisfactory.
  • the food undergoes an energy treatment identical to the treatment in energy from the first heating operation, the only difference being the duration of the new operation of heating that has been changed.
  • Such energy treatment usually involves during the first cooking phase of the heating operation, at least microwave energy applied with a power level very high corresponding for example to 90% of the maximum nominal power restored and, during successive phases following the first phase of said heating operation, at least other microwave energy applied with lower power levels corresponding for example to 50% or 20% or 10% of the maximum nominal power restored.
  • Said processing in energy applied again to the food causes therefore too intense heating of the food which thus modifies the nature of said food, namely obtaining either from a food that is overcooked but not golden enough, either from a food that is too golden but not cooked enough.
  • the object of the invention is to remedy the drawbacks mentioned above and to implement a stimulus process a new heating operation which ensures in a simple and reliable way a new treatment of the food to improve the quality of the new heating operation, this last cooking phase limits the power level of energy applied to said food.
  • the method for relaunching a new heating operation of a food is characterized in that a message of said end of the first operation of heating being transmitted to the user, the user select a new setpoint duration t1 by the information input means and triggers the control means connected to the information processing means which, on the one hand, automatically recall the first heating operation stored in said processing means and, on the other hand, activate only the last cooking phase of said first operation of heating.
  • the new heating operation for the food already processed is very much improved. Indeed, the selection of the last cooking phase of the first heating to be applied to the food during a new heating operation limits the power level in energy applied to said food, which ensures a homogeneity of the food temperature by preventing excessively large variations in the temperature of the food which are harmful to a good operation of heating on a food.
  • the method of relaunching a new heating operation a food applied to an enclosure whose door has a opening and closing controlled by means of locking linked to information processing means is characterized in that after the end of the first heating operation, information processing means test the locking means for the first time of the door to find out if an opening operation of the said door was undertaken, if not the procedure is continued, and if so, information processing means trigger a continuation subroutine of the new operation of heater.
  • the thermal variation due to the opening of the door is taken into account by the processing means which determine the new operation of heating to be applied to the food already treated. Cycles of the device supply circuit heating resistance and device of microwave energy are changed so that that the food undergoes optimal processing that meets the user wishes.
  • the cooking is a microwave oven that has an enclosure 1 in which food is placed to be treated and comprising at least one heating resistance 2 and a generation device microwave energy 3.
  • the oven has a supply circuit 4, of known type, of the heating resistance 2 and the generating device microwave energy 3.
  • the cooking oven comprises a housing 5 containing the elements described in Figure 1, a door 6 hinged mounted on the front face of the housing 5 to open and close the enclosure cooking 1 and a control panel 7 provided on the right side of the front face of the housing 5.
  • This control panel 7 comprises, among other things, selection means 8, for example a rotary button, making it possible to enter predefined foods, information input means 9 of a setpoint duration T of a heating operation, display means 10 of at least the setpoint duration T and control means 11 for triggering said heating operation on the food.
  • the set durations T of food heating operations are generally recorded in cookery books or in manuals delivered with said cooking ovens.
  • the circuit supply 4, the selection means 8, the means information input 9, the display means 10 and the control means 11 are connected to means of information processing 12.
  • Said processing means 12 include, inter alia, means of calculation 13 well known per se which determine the different cooking phases of a heating operation. Each of the cooking phases generally involves alternately, according to operating cycles determined, the heating resistance 2 and the device of microwave energy generation 3 based on information selected by the user.
  • the user At the end of a first heating operation on a food placed in the cooking chamber, the user look at said food through the closing door the cooking chamber and, taking into account a first estimate, said user decides to restart a new heating operation.
  • the method for relaunching a new heating operation for a food is characterized in that a message of said end of the first heating operation being transmitted to the user, the user selects a new setpoint duration t1 by the information input means and triggers the control means connected to the information processing means which, on the one hand, automatically recall the first heating operation stored in said information processing means and, on the other hand, activate only the last cooking phase of said first heating operation.
  • the method of relaunching a new cooking operation a food is applied in a cooking chamber the door of which has a controlled opening and closing by locking means connected to the processing means 12.
  • the processing means information test the means for the first time door lock to find out if an operation opening of the said door has been undertaken, if not the procedure is continued, and if so the information processing means trigger a subroutine before recalling the last operation of heating and activate the last cooking phase of the new heating operation.
  • the information processing means 12 store the information on the opening of the door 6 for the determination of said new heating operation to be applied to the food and transmit to the user, thanks to the display means, a message of a request for the new setpoint duration t1 , then the user having selected the new setpoint duration t1 , the information processing means 12 test the locking means of a second time door 6 to find out whether an operation for closing the door has been undertaken, if not, the information processing means prevent the activation of the new heating operation and if so, after triggering of the control means, the information processing means automatically recall the last heating operation and then activate the last cooking phase of said last operation ion.
  • the information processing means 12 comprise timing means containing at least one timing of a duration tp , said duration tp having a value of the order of four minutes.
  • the information processing means at the end of the first heating operation, trigger the time delay tp during which, on the one hand, the user can select the setpoint duration t1 and trigger the control means and, on the other hand, the processing means test the locking means of the door 6, and, at the end of said time delay tp, if no actuation has been carried out on the input means information as well as on the control means, the information processing means continue the transmission of at least one message of the end of the first heating operation and trigger the passivity of the information input means.
  • the cooking chamber includes a device for heating resistance browning, a heat device rotating, and a microwave energy generating device.
  • a device for heating resistance browning a heat device rotating, and a microwave energy generating device.
  • Such an oven is equipped with all the elements described in Figures 1, 2 and 3 and in addition, it is equipped with a fan-assisted device powered by the supply circuit 4.
  • the fan-assisted device includes a convection resistor surrounding a fan supplied by the supply circuit 4 and intended to blow hot air inside the enclosure Cooking.
  • Such an oven also works according to the method of the invention.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)
  • Electric Stoves And Ranges (AREA)

Description

L'invention concerne un procédé de relance d'une nouvelle opération de chauffage d'un aliment en fin de cuisson consécutive à une première opération de chauffage, ledit aliment étant placé à l'intérieur d'une enceinte d'un appareil de cuisson qui est accessible par une porte et qui comporte au moins un dispositif de dorage à résistance chauffante, un dispositif d'énergie micro-ondes, un circuit d'alimentation du dispositif de dorage à résistance chauffante et du dispositif d'énergie micro-ondes, un tableau de commande qui comporte des moyens pour sélectionner au moins des aliments prédéfinis, des moyens d'entrée d'information d'une durée de consigne T d'une opération de chauffage, des moyens d'affichage d'au moins la durée de consigne T et des moyens de commande pour déclencher le déroulement d'une opération de chauffage ; le circuit d'alimentation, les moyens de sélection, les moyens d'entrée d'information, les moyens d'affichage et les moyens de commande étant reliés à des moyens de traitement d'information qui, d'une part, déterminent les différentes phases de cuisson de l'opération de chauffage à appliquer sur l'aliment et, d'autre part, transmettent par l'intermédiaire des moyens d'affichage, des messages à l'utilisateur concernant ladite opération de chauffage.The invention relates to a method of restarting a new heating operation of a food at the end of cooking following a first heating operation, said food being placed inside an enclosure of a cooking appliance which is accessible by a door and which comprises at least one heating device with heating resistance, a microwave energy device, a circuit for supplying the heating device with heating resistance and with the microwave energy device, a control panel which comprises means for selecting at least predefined foods, means for entering information for a set duration T of a heating operation, means for displaying at least the set duration T and control means for triggering the progress of a heating operation; the supply circuit, the selection means, the information input means, the display means and the control means being connected to information processing means which, on the one hand, determine the different cooking phases of the heating operation to be applied to the food and, on the other hand, transmit messages, via the display means, to the user concerning said heating operation.

Dans certains appareils de cuisson connus de ce genre, lorsqu'un utilisateur souhaite relancer une nouvelle opération de chauffage sur un aliment après avoir observé que ledit aliment n'avait pas été convenablement traité à la suite d'une première opération de chauffage, l'utilisateur doit effectuer une programmation manuelle nécessitant la reprogrammation, d'une part, de l'aliment à traiter et, d'autre part, d'une nouvelle durée de consigne T à appliquer sur l'aliment déjà traité mais aussi l'activation des moyens de commande qui déclenchent le déroulement de la nouvelle opération de chauffage. Cette multitude de manipulations présente l'inconvénient de multiplier les risques d'erreur dans la programmation et augmente la complexité d'utilisation des appareils de cuisson.In certain known cooking appliances of this kind, when a user wishes to restart a new heating operation on a food after having observed that said food had not been suitably treated following a first heating operation, the user must carry out manual programming requiring reprogramming, on the one hand, of the food to be treated and, on the other hand, a new setpoint duration T to be applied to the food already treated but also the activation of control means which initiate the progress of the new heating operation. This multitude of manipulations has the disadvantage of increasing the risk of error in programming and increases the complexity of using cooking appliances.

D'autre part, dans d'autres types d'appareils de cuisson, lors d'une relance d'une nouvelle opération de chauffage sur un aliment déjà traité, les moyens de traitement de l'information prennent en compte la totalité des phases de cuisson de la première opération de chauffage pour déterminer la nouvelle opération de chauffage à appliquer à l'aliment. Or, cette procédure de relance n'est malheureusement pas satisfaisante. En effet, au cours de la nouvelle opération de cuisson, l'aliment subit un traitement en énergie identique au traitement en énergie de la première opération de chauffage, la seule différence étant la durée de la nouvelle opération de chauffage qui a été modifiée. Un tel traitement en énergie fait généralement intervenir au cours de la première phase de cuisson de l'opération de chauffage, au moins une énergie micro-ondes appliquée avec un niveau de puissance très élevé correspondant par exemple à 90% de la puissance nominale maximale restituée et, au cours des phases successives suivant la première phase de ladite opération de chauffage, au moins d'autres énergies micro-ondes appliquées avec des niveaux de puissance moins élevés correspondant par exemple à 50% ou 20% ou 10% de la puissance nominale maximale restituée. Ledit traitement en énergie appliquée une nouvelle fois sur l'aliment provoque donc un échauffement trop intense de l'aliment qui modifie ainsi la nature dudit aliment, à savoir l'obtention soit d'un aliment trop cuit mais pas assez doré, soit d'un aliment trop doré mais pas assez cuit. On the other hand, in other types of cooking, when restarting a new operation of heating on an already treated food, the means of treatment of information take into account all cooking phases of the first heating operation to determine the new heating operation at apply to the food. However, this recovery procedure is unfortunately not satisfactory. Indeed, at during the new cooking operation, the food undergoes an energy treatment identical to the treatment in energy from the first heating operation, the only difference being the duration of the new operation of heating that has been changed. Such energy treatment usually involves during the first cooking phase of the heating operation, at least microwave energy applied with a power level very high corresponding for example to 90% of the maximum nominal power restored and, during successive phases following the first phase of said heating operation, at least other microwave energy applied with lower power levels corresponding for example to 50% or 20% or 10% of the maximum nominal power restored. Said processing in energy applied again to the food causes therefore too intense heating of the food which thus modifies the nature of said food, namely obtaining either from a food that is overcooked but not golden enough, either from a food that is too golden but not cooked enough.

Le but de l'invention est de remédier aux inconvénients précités et de mettre en oeuvre un procédé de relance d'une nouvelle opération de chauffage qui assure d'une manière simple et fiable un nouveau traitement de l'aliment en vue d'améliorer la qualité de la nouvelle opération de chauffage, cette derniere phase de cuisson limite le niveau de puissance en énergie appliquée sur ledit aliment.The object of the invention is to remedy the drawbacks mentioned above and to implement a stimulus process a new heating operation which ensures in a simple and reliable way a new treatment of the food to improve the quality of the new heating operation, this last cooking phase limits the power level of energy applied to said food.

Selon l'invention, le procédé de relance d'une nouvelle opération de chauffage d'un aliment est caractérisé en ce qu'un message de ladite fin de la première opération de chauffage étant transmis à l'utilisateur, l'utilisateur sélectionne une nouvelle durée de consigne t1 par les moyens d'entrée d'information et déclenche les moyens de commande reliés aux moyens de traitement d'information qui, d'une part, rappellent automatiquement la première opération de chauffage mémorisée dans lesdits moyens de traitement et, d'autre part, activent uniquement la dernière phase de cuisson de ladite première opération de chauffage.According to the invention, the method for relaunching a new heating operation of a food is characterized in that a message of said end of the first operation of heating being transmitted to the user, the user select a new setpoint duration t1 by the information input means and triggers the control means connected to the information processing means which, on the one hand, automatically recall the first heating operation stored in said processing means and, on the other hand, activate only the last cooking phase of said first operation of heating.

Ainsi, grâce au nouveau traitement en énergie, la nouvelle opération de chauffage de l'aliment déjà traité est très nettement améliorée. En effet, la sélection de la dernière phase de cuisson de la première opération de chauffage à appliquer sur l'aliment lors d'une nouvelle opération de chauffage limite le niveau de puissance en énergie appliquée sur ledit aliment, ce qui assure une homogénéité de la température de l'aliment en empêchant des variations trop importantes de la température de l'aliment qui sont néfastes à une bonne opération de chauffage sur un aliment.Thanks to the new energy treatment, the new heating operation for the food already processed is very much improved. Indeed, the selection of the last cooking phase of the first heating to be applied to the food during a new heating operation limits the power level in energy applied to said food, which ensures a homogeneity of the food temperature by preventing excessively large variations in the temperature of the food which are harmful to a good operation of heating on a food.

Selon une autre caractéristique de l'invention, le procédé de relance d'une nouvelle opération de chauffage d'un aliment appliqué à une enceinte dont la porte a une ouverture et une fermeture contrôlées par des moyens de verrouillage reliés aux moyens de traitement d'information est caractérisé en ce qu'après la fin de la première opération de chauffage, les moyens de traitement de l'information testent une première fois les moyens de verrouillage de la porte pour savoir si une opération d'ouverture de ladite porte a été entreprise, dans la négative on poursuit la procédure, et dans l'affirmative les moyens de traitement de l'information déclenchent un sous-programme de poursuite de la nouvelle opération de chauffage.According to another characteristic of the invention, the method of relaunching a new heating operation a food applied to an enclosure whose door has a opening and closing controlled by means of locking linked to information processing means is characterized in that after the end of the first heating operation, information processing means test the locking means for the first time of the door to find out if an opening operation of the said door was undertaken, if not the procedure is continued, and if so, information processing means trigger a continuation subroutine of the new operation of heater.

Grâce au test des moyens de verrouillage de la porte, la variation thermique due à l'ouverture de la porte est prise en compte par les moyens de traitement d'information qui déterminent la nouvelle opération de chauffage à appliquer sur l'aliment déjà traité. Les cycles de fonctionnement du circuit d'alimentation du dispositif de dorage à résistance chauffante et du dispositif d'énergie micro-ondes sont modifiés de manière à ce que l'aliment subisse un traitement optimal répondant aux souhaits de l'utilisateur.By testing the locking means of the door, the thermal variation due to the opening of the door is taken into account by the processing means which determine the new operation of heating to be applied to the food already treated. Cycles of the device supply circuit heating resistance and device of microwave energy are changed so that that the food undergoes optimal processing that meets the user wishes.

Les caractéristiques et avantages de l'invention ressortiront d'ailleurs de la description qui va suivre, prise à titre d'exemple non limitatif, en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue schématique d'un appareil de cuisson sur lequel est appliqué le procédé selon l'invention ;
  • la figure 2 est une vue en perspective d'un appareil de cuisson dont le tableau de commande permet de piloter le fonctionnement dudit appareil selon l'invention ;
  • la figure 3 est une représentation schématique illustrant les moyens de traitement d'informations mettant en oeuvre le procédé selon l'invention et équipant un appareil de cuisson.
The characteristics and advantages of the invention will become apparent from the description which follows, taken by way of nonlimiting example, with reference to the accompanying drawings in which:
  • Figure 1 is a schematic view of a cooking appliance on which the method according to the invention is applied;
  • Figure 2 is a perspective view of a cooking appliance whose control panel allows to control the operation of said appliance according to the invention;
  • Figure 3 is a schematic representation illustrating the information processing means implementing the method according to the invention and equipping a cooking appliance.

Comme représenté sur la figure 1, l'appareil de cuisson est un four à micro-ondes qui comporte une enceinte de cuisson 1 dans laquelle sont placés des aliments à traiter et comportant au moins un dispositif de dorage à résistance chauffante 2 et un dispositif de génération d'énergie micro-ondes 3. Le four comporte un circuit d'alimentation 4, de type connu, du dispositif de dorage à résistance chauffante 2 et du dispositif de génération d'énergie micro-ondes 3.As shown in Figure 1, the cooking is a microwave oven that has an enclosure 1 in which food is placed to be treated and comprising at least one heating resistance 2 and a generation device microwave energy 3. The oven has a supply circuit 4, of known type, of the heating resistance 2 and the generating device microwave energy 3.

Comme on peut le voir sur la figure 2, le four de cuisson comporte un boítier 5 renfermant les éléments décrits sur la figure 1, une porte 6 montée articulée sur la face avant du boítier 5 afin d'ouvrir et de fermer l'enceinte de cuisson 1 et un tableau de commande 7 prévu sur le côté droit de la face avant du boítier 5. Ce tableau de commande 7 comporte, entre autres, des moyens de sélection 8, par exemple un bouton rotatif, permettant de saisir des aliments prédéfinis, des moyens d'entrée d'informations 9 d'une durée de consigne T d'une opération de chauffage, des moyens d'affichage 10 d'au moins la durée de consigne T et des moyens de commande 11 pour déclencher ladite opération de chauffage sur l'aliment.As can be seen in Figure 2, the cooking oven comprises a housing 5 containing the elements described in Figure 1, a door 6 hinged mounted on the front face of the housing 5 to open and close the enclosure cooking 1 and a control panel 7 provided on the right side of the front face of the housing 5. This control panel 7 comprises, among other things, selection means 8, for example a rotary button, making it possible to enter predefined foods, information input means 9 of a setpoint duration T of a heating operation, display means 10 of at least the setpoint duration T and control means 11 for triggering said heating operation on the food.

Les durées de consigne T des opérations de chauffage des aliments sont inscrites généralement dans des livres de recettes de cuisine ou dans des manuels livrés avec lesdits fours de cuisson. The set durations T of food heating operations are generally recorded in cookery books or in manuals delivered with said cooking ovens.

Comme on peut le voir sur la figure 3, le circuit d'alimentation 4, les moyens de sélection 8, les moyens d'entrée d'information 9, les moyens d'affichage 10 et les moyens de commande 11 sont reliés à des moyens de traitement d'information 12. Lesdits moyens de traitement d'information 12 comprennent, entre autres, des moyens de calcul 13 bien connus en soi qui déterminent les différentes phases de cuisson d'une opération de chauffage. Chacune des phases de cuisson fait généralement intervenir alternativement, selon des cycles de fonctionnement déterminés, la résistance chauffante 2 et le dispositif de génération d'énergie micro-ondes 3 en fonction des informations sélectionnées par l'utilisateur.As can be seen in Figure 3, the circuit supply 4, the selection means 8, the means information input 9, the display means 10 and the control means 11 are connected to means of information processing 12. Said processing means 12 include, inter alia, means of calculation 13 well known per se which determine the different cooking phases of a heating operation. Each of the cooking phases generally involves alternately, according to operating cycles determined, the heating resistance 2 and the device of microwave energy generation 3 based on information selected by the user.

On va maintenant expliquer le procédé de relance d'une nouvelle opération de chauffage d'un aliment en fin de cuisson consécutive à une première opération de chauffage et appliqué au four de cuisson décrit.We will now explain the stimulus process of a new heating operation of a food at the end cooking after a first heating operation and applied to the baking oven described.

A la fin d'une première opération de chauffage sur un aliment placé dans l'enceinte de cuisson, l'utilisateur regarde ledit aliment au travers de la porte fermant l'enceinte de cuisson et, compte tenu d'une première estimation, ledit utilisateur décide de relancer une nouvelle opération de chauffage.At the end of a first heating operation on a food placed in the cooking chamber, the user look at said food through the closing door the cooking chamber and, taking into account a first estimate, said user decides to restart a new heating operation.

Selon l'invention, le procédé de relance d'une nouvelle opération de chauffage d'un aliment est caractérisé en ce qu'un message de ladite fin de la première opération de chauffage étant transmis à l'utilisateur, l'utilisateur sélectionne une nouvelle durée de consigne t1 par les moyens d'entrée d'information et déclenche les moyens de commande reliés aux moyens de traitement d'information qui, d'une part, rappellent automatiquement la première opération de chauffage mémorisée dans lesdits moyens de traitement d'information et, d'autre part, activent uniquement la dernière phase de cuisson de ladite première opération de chauffage.According to the invention, the method for relaunching a new heating operation for a food is characterized in that a message of said end of the first heating operation being transmitted to the user, the user selects a new setpoint duration t1 by the information input means and triggers the control means connected to the information processing means which, on the one hand, automatically recall the first heating operation stored in said information processing means and, on the other hand, activate only the last cooking phase of said first heating operation.

Selon une autre caractéristique de l'invention, le procédé de relance d'une nouvelle opération de cuisson d'un aliment est appliqué dans une enceinte de cuisson dont la porte a une ouverture et une fermeture contrôlées par des moyens de verrouillage reliés aux moyens de traitement d'information 12. Dans ce cas, lors de la fin de la première opération de chauffage, l'utilisateur ayant effectué ou non une opération d'ouverture de la porte 6 de l'enceinte de cuisson pour visualiser le résultat de la première opération de chauffage, les moyens de traitement d'information testent une première fois les moyens de verrouillage de la porte pour savoir si une opération d'ouverture de ladite porte a été entreprise, dans la négative on poursuit la procédure, et dans l'affirmative les moyens de traitement de l'information déclenchent un sous-programme avant de rappeler la dernière opération de chauffage et d'activer la dernière phase de cuisson de la nouvelle opération de chauffage.According to another characteristic of the invention, the method of relaunching a new cooking operation a food is applied in a cooking chamber the door of which has a controlled opening and closing by locking means connected to the processing means 12. In this case, at the end of the first heating operation, the user having whether or not door 6 was opened of the cooking cabinet to view the result of the first heating operation, the processing means information test the means for the first time door lock to find out if an operation opening of the said door has been undertaken, if not the procedure is continued, and if so the information processing means trigger a subroutine before recalling the last operation of heating and activate the last cooking phase of the new heating operation.

Dans le sous-programme, les moyens de traitement d'information 12 mémorisent l'information de l'ouverture de la porte 6 pour la détermination de ladite nouvelle opération de chauffage à appliquer sur l'aliment et transmettent à l'utilisateur, grâce aux moyens d'affichage, un message d'une demande de la nouvelle durée de consigne t1, puis l'utilisateur ayant sélectionné la nouvelle durée de consigne t1, les moyens de traitement de l'information 12 testent une deuxième fois les moyens de verrouillage de la porte 6 pour savoir si une opération de fermeture de la porte a été entreprise, dans la négative, les moyens de traitement de l'information empêchent l'activation de déroulement de la nouvelle opération de chauffage et dans l'affirmative, après déclenchement des moyens de commande, les moyens de traitement de l'information rappellent automatiquement la dernière opération de chauffage et, ensuite, activent la dernière phase de cuisson de ladite dernière opération.In the subroutine, the information processing means 12 store the information on the opening of the door 6 for the determination of said new heating operation to be applied to the food and transmit to the user, thanks to the display means, a message of a request for the new setpoint duration t1 , then the user having selected the new setpoint duration t1 , the information processing means 12 test the locking means of a second time door 6 to find out whether an operation for closing the door has been undertaken, if not, the information processing means prevent the activation of the new heating operation and if so, after triggering of the control means, the information processing means automatically recall the last heating operation and then activate the last cooking phase of said last operation ion.

Dans une forme de réalisation préférentielle, les moyens de traitement d'information 12 comportent des moyens de temporisation contenant au moins une temporisation d'une durée tp, ladite durée tp présentant une valeur de l'ordre de quatre minutes. Dans ce mode de réalisation, à la fin de la première opération de chauffage, les moyens de traitement d'information déclenchent la temporisation de durée tp au cours de laquelle, d'une part, l'utilisateur peut sélectionner la durée de consigne t1 et déclencher les moyens de commande et, d'autre part, les moyens de traitement testent les moyens de verrouillage de la porte 6, et, à la fin de ladite temporisation tp, si aucun actionnement n'a été effectué sur les moyens d'entrée d'information ainsi que sur les moyens de commande, les moyens de traitement d'information poursuivent la transmission d'au moins un message de la fin de la première opération de chauffage et déclenchent la passivité des moyens d'entrée d'information.In a preferred embodiment, the information processing means 12 comprise timing means containing at least one timing of a duration tp , said duration tp having a value of the order of four minutes. In this embodiment, at the end of the first heating operation, the information processing means trigger the time delay tp during which, on the one hand, the user can select the setpoint duration t1 and trigger the control means and, on the other hand, the processing means test the locking means of the door 6, and, at the end of said time delay tp, if no actuation has been carried out on the input means information as well as on the control means, the information processing means continue the transmission of at least one message of the end of the first heating operation and trigger the passivity of the information input means.

Grâce à ladite temporisation, on améliore les conditions d'utilisation du four de cuisson. En effet, au-delà d'une certaine durée, les températures de l'aliment et de l'enceinte de cuisson ont subi de grandes variations et, par conséquent, une relance d'une opération de chauffage sur l'aliment, sans modification préalable, serait néfaste à l'obtention d'une bonne qualité de l'aliment.Thanks to said delay, conditions are improved using the baking oven. Indeed, beyond of a certain duration, the temperatures of the food and the cooking chamber have undergone great variations and, therefore, a restart of an operation of heating on the food, without prior modification, would harmful to obtaining a good quality of the food.

Selon une réalisation différente d'un four non représenté, l'enceinte de cuisson comporte un dispositif de dorage à résistance chauffante, un dispositif à chaleur tournante, et un dispositif de génération d'énergie micro-ondes. Un tel four est équipé de tous les éléments décrits dans les figures 1, 2 et 3 et en plus, il est équipé, du dispositif à chaleur tournante alimenté par le circuit d'alimentation 4. Le dispositif à chaleur tournante comprend une résistance de convection entourant un ventilateur alimenté par le circuit d'alimentation 4 et destiné à souffler de l'air chaud à l'intérieur de l'enceinte de cuisson. Un tel four fonctionne également selon le procédé de l'invention.According to a different embodiment of an oven not shown, the cooking chamber includes a device for heating resistance browning, a heat device rotating, and a microwave energy generating device. Such an oven is equipped with all the elements described in Figures 1, 2 and 3 and in addition, it is equipped with a fan-assisted device powered by the supply circuit 4. The fan-assisted device includes a convection resistor surrounding a fan supplied by the supply circuit 4 and intended to blow hot air inside the enclosure Cooking. Such an oven also works according to the method of the invention.

Grâce au nouveau procédé de relance d'une nouvelle opération de chauffage d'un aliment en fin de cuisson, on obtient un résultat fiable du traitement de l'aliment, ainsi qu'un fonctionnement simple de l'appareil de cuisson.Thanks to the new process for relaunching a new heating operation of a food at the end of cooking, obtains a reliable result from the processing of the food, as well as simple operation of the cooking appliance.

Claims (6)

  1. Method of restarting a new operation of heating an item of food at the end of cooking following a first heating operation, said item of food being placed inside a chamber (1) of a cooking appliance which is accessible through a door (6) and which has at least one browning device with a heating element (2), a microwave energy device (3), a power supply circuit (4) for the browning device with the heating element (2) and the microwave energy device (3), a control panel (7) which includes means (8) for selecting at least predefined items of food, means (9) for inputting information on a set time T for a heating operation, means (10) for displaying at least the set time T and control means (11) for triggering the performance of a heating operation; the supply circuit (4), the selection means (8), the information input means (9), the display means (10) and the control means (11) being connected to information processing means (12) which, on the one hand, determine the different cooking phases of the heating operation to be applied to the item of food and on the other hand transmit, by means of the display means (10), messages to the user concerning said heating operation,
    characterised in that, a message on the end of the first heating operation being transmitted to the user, the user selects a new set time t1 by means of the information input means (9) and triggers the control means (11) connected to the information processing means (12) which, on the one hand, automatically repeat the first heating operation stored in the information processing means (12) and on the other hand activate only the last cooking phase of the first heating operation, this last cooking limits the energy power level applied to said item of food.
  2. Method of restarting a new operation of heating an item of food applied to a chamber (1) whose door has opening and closing controlled by locking means connected to the information processing means (12) according to claim 1,
    characterised in that, after the end of the first heating operation, the information processing means (12) test the door locking means a first time in order to know whether an operation of opening the door has been undertaken, in the negative the procedure is continued and in the affirmative the information processing means (12) trigger a sub-program before repeating the last heating operation and activating the cooking phase of the heating operation.
  3. Method of restarting a new operation according to claim 1 or 2,
    characterised in that, in the sub-program, the information processing means (12) store the information on the opening of the door (6) for determining the new heating operation to be applied to the item of food and transmit to the user, by the display means, a message relating to a request for the new set time t1, then, the user having selected the new set time t1, the information processing means test the door locking means a second time in order to know whether an operation of closing the door has been undertaken, in the negative the information processing means prevent the activation of the performance of the new heating operation and in the affirmative, after triggering of the control means, the information processing means repeat the last heating operation and activate the last cooking phase of the heating operation.
  4. Method of restarting a new heating operation according to claim 2 or 3,
    characterised in that, the information processing means (12) having timing means, said information processing means trigger a timing for a time tp during which, on the one hand, the user can select the set time t1 and trigger the control means and on the other hand the processing means test the door locking means and, at the end of the timing tp, if no actuation has been made on the information input means (12) or on the control means (11), the information processing means continue the transmission of at least one message relating to the end of the first heating operation and trigger the passivity of the information input means.
  5. Method of restarting a new heating operation according to claim 4,
    characterised in that the duration of the timing phase has a value of around four minutes.
  6. Cooking appliance intended to implement the method according to one of claims 1 to 4,
    characterised in that it has a rotary heat device comprising a convection heating element surrounding a fan supplied by the supply circuit and intended to blow hot air inside the cooking chamber.
EP19960401690 1995-08-04 1996-07-29 Restart procedure for a new heating operation of foodstuff at the end of a cooking cycle Expired - Lifetime EP0757510B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9509485 1995-08-04
FR9509485A FR2737552B1 (en) 1995-08-04 1995-08-04 METHOD OF RELAUNCHING A NEW OPERATION FOR HEATING A FOOD AT THE END OF COOKING

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EP0757510A2 EP0757510A2 (en) 1997-02-05
EP0757510A3 EP0757510A3 (en) 1997-05-28
EP0757510B1 true EP0757510B1 (en) 2001-11-14

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Application Number Title Priority Date Filing Date
EP19960401690 Expired - Lifetime EP0757510B1 (en) 1995-08-04 1996-07-29 Restart procedure for a new heating operation of foodstuff at the end of a cooking cycle

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DE (1) DE69616897D1 (en)
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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE22769T1 (en) * 1981-06-05 1986-10-15 Litton Systems Inc METHOD OF BROWNING FOOD IN A MICROWAVE OVEN.
US4508948A (en) * 1984-01-16 1985-04-02 Amana Refrigeration, Inc. Microwave cooking method
JPS61134525A (en) * 1984-12-03 1986-06-21 Sanyo Electric Co Ltd Electronic control type cooking unit
EP0281263B1 (en) * 1987-03-06 1994-08-24 Microwave Ovens Limited Microwave ovens and methods of cooking food
KR930011809B1 (en) * 1990-12-18 1993-12-21 주식회사 금성사 Automatic cooking method and apparatus for a microwave oven

Also Published As

Publication number Publication date
FR2737552B1 (en) 1998-03-06
EP0757510A3 (en) 1997-05-28
EP0757510A2 (en) 1997-02-05
DE69616897D1 (en) 2001-12-20
FR2737552A1 (en) 1997-02-07

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