EP3065505A1 - Method for controlling a cooking appliance and associated cooking appliance - Google Patents
Method for controlling a cooking appliance and associated cooking appliance Download PDFInfo
- Publication number
- EP3065505A1 EP3065505A1 EP16157136.9A EP16157136A EP3065505A1 EP 3065505 A1 EP3065505 A1 EP 3065505A1 EP 16157136 A EP16157136 A EP 16157136A EP 3065505 A1 EP3065505 A1 EP 3065505A1
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- Prior art keywords
- cooking
- container
- power
- zone
- control method
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- 238000010411 cooking Methods 0.000 title claims abstract description 241
- 238000000034 method Methods 0.000 title claims abstract description 45
- 230000006698 induction Effects 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims description 12
- 230000008033 biological extinction Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 description 12
- 238000010304 firing Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 238000012550 audit Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
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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
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
- H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
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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
- H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
- H05B2213/05—Heating plates with pan detection means
Definitions
- the present invention relates to a method of controlling a cooking appliance comprising a plurality of induction cooking hobs.
- It also relates to a cooking appliance, and for example a hob, adapted to implement the control method.
- the present invention relates to the field of induction hobs comprising several induction hobs.
- a cooking appliance In the field of domestic hobs, a cooking appliance usually comprises two, three or four induction cooking hobs, distributed in the hob. These cooking hobs are generally independent of each other in operation.
- the user thus has several cooking stoves to heat one or more containers, independently of each other, according to a set power associated with each cooking zone.
- Each cooking chamber may have a different size, and for example consist of one or more inductive coils of different size and shape.
- each induction firing furnace delivers a predetermined maximum theoretical power.
- the shape of the container also have an important influence on the behavior of the container vis-à-vis the induction and so on the maximum power delivered to the container by each cooking stove.
- the maximum power delivered to the container can vary significantly.
- the cooking time is lengthened, especially during the phases of temperature rise or boiling of the contents of the container.
- the maximum power delivered by the cooking chamber may be too low to allow cooking such as frying or grilling.
- the efficiency of the cooking stove is less good since the lengthening of the cooking time increases the heat exchange of the container and the cooking chamber with the environment.
- control method implemented in this document EP 2 706 816 is based on the comparison of the power delivered to a container placed on the cooking stove and the theoretical maximum power delivered by the cooking stove.
- the user is then prompted to move the container to another cooking stove, for which the power delivered to the container is close to the maximum theoretical power delivered by the cooking chamber.
- the present invention aims to solve at least one of the aforementioned drawbacks and to improve a control method of a cooking appliance for verifying the proper adaptation of an induction cooking stove to heating a container predetermined.
- the determination of the adapted or unsuitable nature of the first cooking hearth is implemented by comparing a value representative of the power delivered to the container and a value representative of the desired power.
- the control method according to the invention thus takes into account the value of the target power desired by the user and not the theoretical maximum power delivered by the cooking chamber.
- monitoring of the adaptation of the cooking chamber to the heating of the container is carried out as close to the conditions of use of the cooking stove by the user, and not only from the theoretical power characteristics delivered by this fireplace. cooking.
- the first firing chamber may be considered suitable for heating the container if the difference between the measured value and the value representative of the target power is less than the predefined threshold, even if the power delivered to the container is very low. away from the theoretical maximum power delivered by the first cooking zone.
- control method comprises a step of issuing an unsuitable cooking stove warning signal in association with the first cooking zone when the ratio between the measured value and the value representative of the target power is below said predefined threshold.
- the unsuitable cooking stove warning signal is issued to the user when there is at least one cooking zone, different from the first cooking zone, available and adapted to heat the container, so that avoid informing the user of a possible maladjustment of the first cooking stove to heat the container when no other cooking stove, available and adapted to heat the container, can be used.
- control method further comprises a step of issuing a cooking stove warning signal adapted in association with said at least one cooking stove available and adapted to heat the recipient.
- This embodiment allows the user to be informed of the existence of a cooking stove available and adapted to heat the container, and thus to move the container if desired on this cooking stove adapted to heat the recipient.
- the step of measuring a value representative of a power delivered to the container placed on the first cooking chamber is implemented after actuation of a dedicated key of the appliance. Cooking.
- the user can and when he wants to check the adaptation of the chosen cooking stove to the container covering it.
- the step of measuring a value representative of a power delivered to the container placed on the first cooking stove is implemented automatically, after the step of acquiring a desired power associated with the first focus Cooking.
- the control method thus makes it possible to verify the adaptation of the chosen cooking zone and the nominal power associated with this cooking zone each time the value of the reference power associated with the cooking zone is acquired or modified.
- the unsuitable cooking stove warning signal is information displayed on a control panel of the cooking appliance, in association with the unsuitable cooking stove.
- the present invention relates to a cooking apparatus comprising a plurality of induction cooking stoves and control means configured to implement the control method described above.
- This cooking appliance has characteristics and advantages similar to those described above in relation to the control method.
- the cooking apparatus is typically a hob 10 comprising a plurality of induction cooking heaters F1, F2, F3.
- the hob 10 comprises three induction hobs F1, F2, F3 distributed in the hob.
- induction hobs may be different.
- Each cooking hearth F1, F2, F3 is for example made from one or more inductive coils arranged under the hob.
- the cooking apparatus comprises all the means necessary for the control in operation of the cooking hobs F1, F2, F3.
- a control panel 11 for example tactile, allows the user to adjust the target power, and for example the operating time, of each cooking chamber F1, F2, F3 independently.
- each induction cooking hearth is associated with means for detecting a container disposed above each cooking chamber.
- These container detection means are generally implemented from the inductors constituting the cooking zone and also make it possible, in a conventional manner, to detect the presence or absence of a container R opposite the cooking zone considered. .
- each cooking hearth F1, F2, F3 can be spotted in the hob, for example using a silkscreen outline schematically the overall size of the cooking chamber F1, F2, F3.
- each firing chamber F1, F2, F3 consists of a spiral wound inductor
- the size of the firing chamber substantially corresponds to the diameter of the disk formed by the inductor.
- the size of the cooking hobs F1, F2, F3 can vary between 160 and 210 mm in diameter.
- each cooking chamber F1, F2, F3 varies for example between 2200 and 3100 W.
- the cooking appliance comprises several induction cooking stoves F1, F2, F3 which each deliver a different theoretical maximum power.
- a first cooking zone F1 has a theoretical maximum power P1Max greater than a theoretical maximum power P2Max associated with a second home.
- cooking F2 itself greater than a theoretical maximum power P3Max associated with a third cooking stove F3.
- the user poses for example a container R on a first cooking zone F1 as illustrated in the situation shown schematically in FIG. figure 1 .
- the control method comprises, after switching on the first cooking zone F1, a first acquisition step S1 of a setpoint power P1c associated with the first cooking zone F1 covered with the receptacle R.
- this acquisition step S1 of a target power can be implemented by the user from the control panel 11 by conventional adjustment keys of the desired power.
- the user can optionally also enter a cooking time using the setting of a timer.
- the control method then continues with a measurement step S2 of a value representative of a power P1 m delivered to the container R placed on the first F1 cooking zone.
- This step consists in measuring the power that can be delivered to the container R by the first cooking zone F1 when it is put into operation according to the set power P1 c set by the user.
- the inductor or inductors constituting the cooking zone are operated in a conventional manner by a frequency-controlled inverter.
- control frequency of the inverter is high, for example of the order of 50 kHz.
- this value decreases so as to gradually increase the power delivered by the inductor (s) constituting the first cooking zone F1 until substantially reaching the value of the desired power P1 c.
- the power P1 m delivered to the receptacle R placed on the first cooking chamber F1 is then measured.
- This measured power P1 m depends in particular on the adaptation of the first cooking zone F1 to the container R.
- the relative size of the container R and the first cooking chamber F1 has an influence on the behavior of the inductor placed under the container R.
- the quality of the material used to make the container R vis-à-vis induction heating, the shape of the container, the structure of the bottom of the container, and possibly the presence of a coating can influence the adaptation of the container R for its induction heating by the first cooking chamber F1.
- the control method then comprises a comparison step S3 of the measured value P1 m with a value representative of the reference power P1 c.
- the values representative of the desired power P1c and of the measured power P1m are, for example, electrical values measurable by the control system, and for example a voltage or current value measured at the circuit formed by the inductor and the container placed on the first cooking chamber F1.
- the first cooking zone F1 is classified as being adapted to heat the container R when a ratio between the measured value P1 m and the value representative of the desired power P1 c is greater than one. predefined threshold.
- this ratio can correspond to 85%.
- the first cooking zone F1 is considered to be suitable for heating the container R and the control method of the cooking appliance is conventionally continued by using operation of the first cooking zone F1 to heat the container R.
- control method continues with an identification step S4, among the other cooking hobs. induction of at least one available cooking zone adapted to heat the container R.
- This identification step S4 is illustrated, without limitation, according to a more detailed embodiment of the invention. figure 3 .
- this identification step S4 consists in comparing the measured value P1 m and a value representative of the theoretical maximum power P2Max, P3Max delivered by the other cooking hobs F2, F3 of the hob, different from the first focus. F1 cooking.
- the identification step S4 firstly comprises a step comparing S41 adapted to verify if the ratio between the measured value P1 m and the representative value of the desired power P1 c is less than another preset threshold, and here set at 70%.
- This verification step S41 thus makes it possible to check whether the measured power P1 m is far away from the user-requested reference power P1 c. If not, then we will test the adaptation the second firing chamber F2, the closest in terms of design and theoretical maximum power of the first firing chamber F1. Conversely, if the difference between the measured power P1m and the desired power P1c is very large, it will be directly tested the possibility of using the third firing furnace F3 theoretical maximum power P3Max the weakest.
- comparison steps S42, S43 are implemented respectively for comparing the measured value P1 m and a value representative of a theoretical maximum power. P2Max, P3Max delivered by each cooking zone F2, F3.
- the cooking hobs F2, F3 are classified as a suitable cooking zone when the ratio between the measured value P1m and the value representative of the theoretical maximum power P2Max, P3Max is less than a second predefined threshold, here fixed as non-limiting example to 95%.
- a container detection step S44, S45 is carried out on these cooking burners F2, F3 to determine whether the second and third cooking burners F2, F3 are available cooking hobs.
- a classification step S46, S47 makes it possible to classify the second cooking zone F2 or the third cooking zone F3, when it is available, as a cooking zone suitable for heating the oven.
- container R since the ratio between the measured value P1 m and the representative value of the theoretical maximum power P2Max, P3Max associated with each cooking zone F2, F3 is less than the second predefined threshold.
- an emission step S5 of a focus warning signal unsuitable cooking is carried out.
- the wrong cooking stove warning signal is issued in association with the first cooking zone F1.
- the user can be informed of the maladaptation of the first cooking zone F1 to the heating of the container R, and this only if there is in the cooktop 10 another induction cooking hearth, likely to heat the container. R under higher adaptation conditions.
- the transmission step S5 of the warning signal can be implemented visually for the attention of the user.
- the incorrect cooking stove warning signal is information displayed on the control panel 11 of the hob 10, in association with the unsuitable cooking zone.
- a signal "no" is displayed in a display area dedicated to the display of the desired power associated with each cooking zone F1, F2, F3.
- a signal "no" is displayed in the set power display area dedicated to the first cooking zone F1.
- control method continues, following the issuance of such an unsuitable cooking stove warning signal, following the possible movement of the container R by the user on the hob 10.
- a detection step S6 of the withdrawal of the container R from the first cooking chamber F1 is carried out for a predetermined period of time ⁇ T1, equal for example to 10s.
- the control method repeats the identification steps S4 of an available cooking zone adapted to heat the container R and the emission step S5 of an incorrect cooking stove warning signal during the predetermined time period ⁇ T1.
- the control method continues with the use of the first firing chamber F1 for heating the container R in a conventional manner, to the desired power P1c requested by the user.
- the activation step S7 of the container detection is implemented in a conventional manner in a hob, by testing the behavior of each inductor constituting each cooking zone F1, F2, F3 of the hob 10 to verify whether or not covered by a receptacle R.
- a detection step S8 is implemented to detect the presence of the container R on another induction cooking furnace Fi, different from the first cooking zone F1.
- the detection step S8 is also implemented iteratively for a predetermined period of time ⁇ T2, equal for example to 10s.
- a test step S10 makes it possible to check whether this cooking hearth Fi corresponds to a focus available classified as a cooking stove adapted to the heating of the container R during the identification step S4 of an available cooking stove adapted to heat the container R.
- the S5 emission step of an unsuitable cooking stove warning signal is carried out in association with this other cooking stove Fi to indicate to the user that this other cooking zone is not identified as an available fireplace suitable for heating container R.
- the cooking chamber Fi covered by the container R corresponds to an available fireplace adapted to heat the container during the identification step S4
- the cooking chamber Fi is put in operating at the desired power P1 c associated with the first cooking zone F1 and an extinction step S11 of the first cooking zone F1 is implemented.
- the set of cooking parameters set by the user including the set power P1c and possibly the cooking time are transmitted to this new cooking chamber Fi to then allow the conventional use of this cooking hearth Fi to heat the R. container
- the measurement step S2 of a value representative of a power delivered to the container R placed on the first firing chamber F1 is implemented automatically after the acquisition step S1 of the desired power P1 c associated with the first F1 cooking stove.
- the measurement step S2 and all of the following steps of the control method could be implemented after actuation of a dedicated key 12 of the cooking apparatus 10.
- the control method then comprises a preliminary step for detecting the actuation of this dedicated key 12 of the cooking apparatus 10.
- the control and heating method of the container R continues in a conventional manner on the first focus of F1 cooking whatever the quality of the adaptation.
- the user can at any time actuate the dedicated key 12 to check the adaptation of the first cooking zone F1 to the heating of the container R according to the requested nominal power.
- the control method makes it possible to determine whether a first cooking zone F1 is well adapted to heating a container R and if it does not, to emit an incorrect cooking zone warning signal to the attention of the customer. the user so that he can choose a cooking stove better adapted.
- the values chosen to illustrate the ratios for determining whether a cooking stove is suitable or not are indicative and can vary, depending on the size and power of each cooking stove.
- the method described above with reference to the figure 2 can also be changed after the S4 identification and S5 emission steps of an unsuitable cooking stove warning signal in association with the first cooking zone F1.
- the control method may further comprise a step of issuing a cookstove warning signal adapted in combination with one of the cooking furnaces F2, F3 available and identified as suitable for heating the container R after the step identification S4 as implemented for example according to the embodiment of the figure 3 .
- the adapted cooking hearth warning signal may be information displayed on the control panel 11 of the cooking appliance 10, in association with the adapted cooking stove.
- a different signal such as "ok" can be displayed on another display zone associated with one of the other two cooking hobs F2, F3.
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Induction Heating Cooking Devices (AREA)
- Electric Stoves And Ranges (AREA)
- Cookers (AREA)
Abstract
Un procédé de commande d'un appareil de cuisson comprenant plusieurs foyers de cuisson à induction comprend les étapes suivantes : - acquisition (S1) d'une puissance de consigne (P1 c) associée à un premier foyer de cuisson (F1) recouvert d'un récipient ; - mesure (S2) d'une valeur représentative d'une puissance (P1m) délivrée audit récipient posé sur le premier foyer de cuisson (F1) ; et - comparaison (S3) de la valeur mesurée (P1m) et d'une valeur représentative de la puissance de consigne (P1 c), le premier foyer de cuisson (F1) étant considéré comme adapté au chauffage du rÀ©cipient lorsqu'un ratio entre la valeur mesurée (P1m) et la valeur représentative de la puissance de consigne (P1 c) est supérieur à un seuil prédéfini. Utilisation dans une table de cuisson à induction.A method of controlling a cooking appliance comprising a plurality of induction cooking hobs comprises the following steps: - Acquisition (S1) of a reference power (P1 c) associated with a first cooking chamber (F1) covered with a container; measuring (S2) a value representative of a power (P1m) delivered to said container placed on the first cooking zone (F1); and - comparing (S3) the measured value (P1m) and a value representative of the desired power (P1 c), the first cooking zone (F1) being considered suitable for heating the container when a ratio between the measured value (P1m) and the representative value of the target power (P1 c) is greater than a predefined threshold. Use in an induction hob.
Description
La présente invention concerne un procédé de commande d'un appareil de cuisson comprenant plusieurs foyers de cuisson à induction.The present invention relates to a method of controlling a cooking appliance comprising a plurality of induction cooking hobs.
Elle concerne également un appareil de cuisson, et par exemple une table de cuisson, adapté à mettre en oeuvre le procédé de commande.It also relates to a cooking appliance, and for example a hob, adapted to implement the control method.
De manière générale, la présente invention concerne le domaine des tables de cuisson à induction comprenant plusieurs foyers de cuisson à induction.In general, the present invention relates to the field of induction hobs comprising several induction hobs.
Dans le domaine des tables de cuisson domestiques, un appareil de cuisson comprend généralement deux, trois ou quatre foyers de cuisson à induction, répartis dans le plan de cuisson. Ces foyers de cuisson sont généralement indépendants les uns des autres en fonctionnement.In the field of domestic hobs, a cooking appliance usually comprises two, three or four induction cooking hobs, distributed in the hob. These cooking hobs are generally independent of each other in operation.
L'utilisateur dispose ainsi de plusieurs foyers de cuisson pour chauffer un ou plusieurs récipients, indépendamment les uns des autres, selon une puissance de consigne associée à chaque foyer de cuisson.The user thus has several cooking stoves to heat one or more containers, independently of each other, according to a set power associated with each cooking zone.
Chaque foyer de cuisson peut avoir une taille différente, et par exemple être constitué d'un ou plusieurs bobinages inductifs de taille et de forme différentes.Each cooking chamber may have a different size, and for example consist of one or more inductive coils of different size and shape.
En fonction de la taille du bobinage inductif, éventuellement du nombre de bobinages mis en oeuvre dans le foyer de cuisson, et plus généralement des paramètres de l'inducteur, chaque foyer de cuisson à induction délivre une puissance maximale théorique prédéterminée.Depending on the size of the inductive winding, possibly the number of windings used in the firing chamber, and more generally the inductor parameters, each induction firing furnace delivers a predetermined maximum theoretical power.
Il est ainsi fréquent de configurer l'appareil de cuisson de telle sorte que les foyers de cuisson aient des puissances maximales théoriques différentes, comprises par exemple entre 2200 et 3000 Watts.It is thus common to configure the cooking appliance so that the cooking hobs have different theoretical maximum powers, for example between 2200 and 3000 Watts.
Pour les foyers de cuisson à induction, dans la mesure où la transmission de chaleur au récipient n'est pas réalisée par conduction mais par induction dans le fond magnétique du récipient, la bonne adaptation du récipient sur chaque foyer de cuisson n'est pas nécessairement synonyme d'une égalité entre la dimension du fond du récipient et la dimension de foyer de cuisson à induction.For induction hobs, insofar as the heat transfer to the container is not carried out by conduction but by induction in the magnetic bottom of the container, the proper adaptation of the container to each cooking stove is not necessarily synonymous an equality between the size of the bottom of the container and the dimension of induction cooking.
En effet, la forme du récipient, le type de matériau utilisé (alliage, fonte, acier, ...), la structure du fond du récipient ont également une influence importante sur le comportement du récipient vis-à-vis de l'induction et ainsi sur la puissance maximale délivrée au récipient par chaque foyer de cuisson.Indeed, the shape of the container, the type of material used (alloy, cast iron, steel, ...), the structure of the bottom of the container also have an important influence on the behavior of the container vis-à-vis the induction and so on the maximum power delivered to the container by each cooking stove.
Ainsi, en fonction du récipient utilisé sur un foyer de cuisson donné de l'appareil de cuisson, la puissance maximale délivrée au récipient peut varier de façon importante.Thus, depending on the container used on a given cooking stove of the cooking appliance, the maximum power delivered to the container can vary significantly.
Lorsque la puissance maximale délivrée au récipient est faible, le temps de cuisson s'en trouve allongé, notamment lors des phases de montée en température ou d'ébullition du contenu du récipient.When the maximum power delivered to the container is low, the cooking time is lengthened, especially during the phases of temperature rise or boiling of the contents of the container.
Par ailleurs, la puissance maximale délivrée par le foyer de cuisson peut être trop faible pour permettre des cuissons du type friture ou grillade.Furthermore, the maximum power delivered by the cooking chamber may be too low to allow cooking such as frying or grilling.
De manière générale, le rendement du foyer de cuisson est moins bon dès lors que l'allongement du temps de cuisson augmente les échanges thermiques du récipient et du foyer de cuisson avec l'environnement.In general, the efficiency of the cooking stove is less good since the lengthening of the cooking time increases the heat exchange of the container and the cooking chamber with the environment.
On connaît dans le document
Le procédé de commande mis en oeuvre dans ce document
Ces deux valeurs de puissance, réelle et théorique, sont affichées sur le bandeau de commande de l'appareil de cuisson et permettent à l'utilisateur de vérifier si le transfert de puissance est optimal.These two power values, actual and theoretical, are displayed on the control panel of the cooking appliance and allow the user to check whether the transfer of power is optimal.
L'utilisateur est alors incité à déplacer le récipient sur un autre foyer de cuisson, pour lequel la puissance délivrée au récipient est proche de la puissance maximale théorique délivrée par le foyer de cuisson.The user is then prompted to move the container to another cooking stove, for which the power delivered to the container is close to the maximum theoretical power delivered by the cooking chamber.
La présente invention a pour but de résoudre au moins l'un des inconvénients précités et d'améliorer un procédé de commande d'un appareil de cuisson permettant de vérifier la bonne adaptation d'un foyer de cuisson à induction au chauffage d'un récipient prédéterminé.The present invention aims to solve at least one of the aforementioned drawbacks and to improve a control method of a cooking appliance for verifying the proper adaptation of an induction cooking stove to heating a container predetermined.
A cet effet, la présente invention concerne un procédé de commande d'un appareil de cuisson comprenant plusieurs foyers de cuisson à induction, comprenant les étapes suivantes :
- acquisition d'une puissance de consigne associée à un premier foyer de cuisson recouvert d'un récipient ;
- mesure d'une valeur représentative d'une puissance délivrée audit récipient posé sur le premier foyer de cuisson ;
- comparaison de ladite valeur mesurée et d'une valeur représentative de la puissance de consigne, le premier foyer de cuisson étant considéré comme adapté au chauffage du récipient lorsque le ratio entre la valeur mesurée et la valeur représentative de la puissance de consigne est supérieur à un seuil prédéfini.
- acquisition of a set power associated with a first cooking hearth covered with a container;
- measuring a value representative of a power delivered to said container placed on the first cooking zone;
- comparing said measured value with a value representative of the target power, the first cooking zone being considered suitable for heating the container when the ratio between the measured value and the value representative of the desired power is greater than one predefined threshold.
Ainsi, la détermination du caractère adapté ou inadapté du premier foyer de cuisson est mise en oeuvre par comparaison d'une valeur représentative de la puissance délivrée au récipient et d'une valeur représentative de la puissance de consigne.Thus, the determination of the adapted or unsuitable nature of the first cooking hearth is implemented by comparing a value representative of the power delivered to the container and a value representative of the desired power.
Le procédé de commande selon l'invention prend ainsi en compte la valeur de la puissance de consigne souhaitée par l'utilisateur et non la puissance maximale théorique délivrée par le foyer de cuisson.The control method according to the invention thus takes into account the value of the target power desired by the user and not the theoretical maximum power delivered by the cooking chamber.
Ainsi, le suivi de l'adaptation du foyer de cuisson au chauffage du récipient est réalisé au plus proche des conditions d'utilisation du foyer de cuisson par l'utilisateur, et non uniquement à partir des caractéristiques théoriques de puissance délivrée par ce foyer de cuisson.Thus, monitoring of the adaptation of the cooking chamber to the heating of the container is carried out as close to the conditions of use of the cooking stove by the user, and not only from the theoretical power characteristics delivered by this fireplace. cooking.
Ainsi, le premier foyer de cuisson peut être considéré comme adapté au chauffage du récipient dès lors que l'écart entre la valeur mesurée et la valeur représentative de la puissance de consigne est inférieur au seuil prédéfini, même si la puissance délivrée au récipient est très éloignée de la puissance maximale théorique délivrée par le premier foyer de cuisson.Thus, the first firing chamber may be considered suitable for heating the container if the difference between the measured value and the value representative of the target power is less than the predefined threshold, even if the power delivered to the container is very low. away from the theoretical maximum power delivered by the first cooking zone.
En pratique, afin d'informer l'utilisateur, le procédé de commande comprend une étape d'émission d'un signal d'avertissement de foyer de cuisson inadapté en association avec le premier foyer de cuisson lorsque le ratio entre la valeur mesurée et la valeur représentative de la puissance de consigne est inférieur audit seuil prédéfini.In practice, in order to inform the user, the control method comprises a step of issuing an unsuitable cooking stove warning signal in association with the first cooking zone when the ratio between the measured value and the value representative of the target power is below said predefined threshold.
Selon une caractéristique de mise en oeuvre, le procédé de commande comporte en outre les étapes suivantes, lorsque le ratio entre la valeur mesurée et la valeur représentative de la puissance de consigne est inférieur audit seuil prédéfini :
- identification, parmi lesdits plusieurs foyers de cuisson à induction, d'au moins un foyer de cuisson disponible différent du premier foyer de cuisson et adapté à chauffer le récipient ; et
- émission d'un signal d'avertissement de foyer de cuisson inadapté en association avec ledit premier foyer de cuisson si au moins un foyer de cuisson, différent du premier foyer de cuisson, est déterminé comme disponible et adapté à chauffer le récipient à l'étape d'identification.
- identifying, among said plurality of induction hobs, at least one available cooking hob different from the first hob and adapted to heat the container; and
- issuing an unsuitable cooking stove warning signal in association with said first cooking zone if at least one cooking zone, different from the first cooking zone, is determined to be available and adapted to heat the container to the cooking stage Identification.
Ainsi, le signal d'avertissement de foyer de cuisson inadapté est émis à l'intention de l'utilisateur lorsqu'il existe au moins un foyer de cuisson, différent du premier foyer de cuisson, disponible et adapté à chauffer le récipient, afin d'éviter d'informer l'utilisateur d'une éventuelle inadaptation du premier foyer de cuisson à chauffer le récipient lorsqu'aucun autre foyer de cuisson, disponible et adapté à chauffer le récipient, ne peut être utilisé.Thus, the unsuitable cooking stove warning signal is issued to the user when there is at least one cooking zone, different from the first cooking zone, available and adapted to heat the container, so that avoid informing the user of a possible maladjustment of the first cooking stove to heat the container when no other cooking stove, available and adapted to heat the container, can be used.
En pratique, l'étape d'identification comprend les sous-étapes suivantes :
- comparaison de la valeur mesurée et d'une valeur représentative d'une puissance maximale théorique délivrée par ledit au moins un foyer disponible ; et
- classification dudit au moins un foyer disponible comme un foyer de cuisson adapté lorsque le ratio entre la valeur mesurée et la valeur représentative de la puissance maximale théorique est inférieur à un second seuil prédéfini.
- comparing the measured value with a value representative of a theoretical maximum power delivered by said at least one available focus; and
- classifying said at least one available fireplace as a suitable cooking stove when the ratio between the measured value and the value representative of the theoretical maximum power is less than a second predefined threshold.
Dans un mode de réalisation pratique de l'invention, le procédé de commande comporte en outre une étape d'émission d'un signal d'avertissement de foyer de cuisson adapté en association avec ledit au moins un foyer de cuisson disponible et adapté à chauffer le récipient.In a practical embodiment of the invention, the control method further comprises a step of issuing a cooking stove warning signal adapted in association with said at least one cooking stove available and adapted to heat the recipient.
Ce mode de réalisation permet à l'utilisateur d'être informé de l'existence d'un foyer de cuisson disponible et adapté à chauffer le récipient, et ainsi de déplacer le récipient s'il le souhaite sur ce foyer de cuisson adapté à chauffer le récipient.This embodiment allows the user to be informed of the existence of a cooking stove available and adapted to heat the container, and thus to move the container if desired on this cooking stove adapted to heat the recipient.
Dans un mode de réalisation, chaque foyer de cuisson à induction étant associé à des moyens de détection de la présence d'un récipient, le procédé de commande comprend les étapes suivantes :
- détection du retrait dudit récipient dudit premier foyer de cuisson ;
- détection d'un deuxième foyer de cuisson à induction recouvert par ledit récipient ; et
- émission d'un signal d'avertissement de foyer de cuisson inadapté en association avec ledit deuxième foyer de cuisson lorsque ledit deuxième foyer de cuisson n'est pas déterminé comme disponible et adapté à chauffer ledit récipient à ladite étape d'identification.
- detecting withdrawal of said container from said first cooking zone;
- detecting a second induction cooking hearth covered by said container; and
- issuing an unsuitable cooking stove warning signal in association with said second cooking stove when said second cooking stove is not determined to be available and adapted to heat said container at said identifying step.
Alternativement, le procédé de commande comprend également les étapes suivantes :
- détection du retrait dudit récipient dudit premier foyer de cuisson ;
- détection d'un deuxième foyer de cuisson à induction recouvert par ledit récipient ;
- mise en fonctionnement dudit deuxième foyer de cuisson à ladite puissance de consigne associée audit premier foyer de cuisson lorsque ledit deuxième foyer de cuisson est déterminé comme disponible et adapté à chauffer ledit récipient à ladite étape d'identification ; et
- extinction du premier foyer de cuisson.
- detecting withdrawal of said container from said first cooking zone;
- detecting a second induction cooking hearth covered by said container;
- operating said second cooking chamber at said setpoint power associated with said first cooking zone when said second cooking zone is determined to be available and adapted to heat said container at said identifying step; and
- turning off the first cooking zone.
Dans un mode de réalisation pratique de l'invention, l'étape de mesure d'une valeur représentative d'une puissance délivrée au récipient posé sur le premier foyer de cuisson est mise en oeuvre après actionnement d'une touche dédiée de l'appareil de cuisson.In a practical embodiment of the invention, the step of measuring a value representative of a power delivered to the container placed on the first cooking chamber is implemented after actuation of a dedicated key of the appliance. Cooking.
L'utilisateur peut ainsi lorsqu'il le souhaite vérifier l'adaptation du foyer de cuisson choisi au récipient recouvrant celui-ci.The user can and when he wants to check the adaptation of the chosen cooking stove to the container covering it.
Alternativement, l'étape de mesure d'une valeur représentative d'une puissance délivrée au récipient posé sur le premier foyer de cuisson est mise en oeuvre automatiquement, après l'étape d'acquisition d'une puissance de consigne associée à ce premier foyer de cuisson.Alternatively, the step of measuring a value representative of a power delivered to the container placed on the first cooking stove is implemented automatically, after the step of acquiring a desired power associated with the first focus Cooking.
Le procédé de commande permet ainsi de vérifier l'adaptation du foyer de cuisson choisi et de la puissance de consigne associée à ce foyer de cuisson à chaque acquisition ou modification de la valeur de la puissance de consigne associée au foyer de cuisson.The control method thus makes it possible to verify the adaptation of the chosen cooking zone and the nominal power associated with this cooking zone each time the value of the reference power associated with the cooking zone is acquired or modified.
Dans un mode de réalisation pratique de l'invention, le signal d'avertissement de foyer de cuisson inadapté est une information affichée sur un bandeau de commande de l'appareil de cuisson, en association avec le foyer de cuisson inadapté.In a practical embodiment of the invention, the unsuitable cooking stove warning signal is information displayed on a control panel of the cooking appliance, in association with the unsuitable cooking stove.
Selon un autre aspect, la présente invention concerne un appareil de cuisson comprenant plusieurs foyers de cuisson à induction et des moyens de commande configurés pour mettre en oeuvre le procédé de commande décrit précédemment.In another aspect, the present invention relates to a cooking apparatus comprising a plurality of induction cooking stoves and control means configured to implement the control method described above.
Cet appareil de cuisson présente des caractéristiques et avantages analogues à ceux décrits précédemment en relation avec le procédé de commande.This cooking appliance has characteristics and advantages similar to those described above in relation to the control method.
D'autres particularités et avantages de l'invention apparaîtront encore dans la description ci-après.Other features and advantages of the invention will become apparent in the description below.
Aux dessins annexés, donnés à titre d'exemples non limitatifs :
- la
figure 1 est un schéma illustrant un appareil de cuisson selon un mode de réalisation de l'invention ; - la
figure 2 est un algorithme illustrant un procédé de commande selon un premier mode de réalisation de l'invention ; et - la
figure 3 est un algorithme détaillant une étape d'identification d'un foyer disponible et adapté à chauffer un récipient selon un mode de réalisation de l'invention.
- the
figure 1 is a diagram illustrating a cooking apparatus according to one embodiment of the invention; - the
figure 2 is an algorithm illustrating a control method according to a first embodiment of the invention; and - the
figure 3 is an algorithm detailing a step of identifying an available fireplace and adapted to heat a container according to an embodiment of the invention.
On va décrire tout d'abord en référence à la
L'appareil de cuisson est typiquement une table de cuisson 10 comprenant plusieurs foyers de cuisson à induction F1, F2, F3.The cooking apparatus is typically a
Dans l'exemple illustré à la
Bien entendu, le nombre et la répartition des foyers de cuisson à induction peuvent être différents.Of course, the number and distribution of induction hobs may be different.
Chaque foyer de cuisson F1, F2, F3 est par exemple réalisé à partir d'un ou plusieurs bobinages inductifs disposés sous le plan de cuisson.Each cooking hearth F1, F2, F3 is for example made from one or more inductive coils arranged under the hob.
L'appareil de cuisson comprend tous les moyens nécessaires à la commande en fonctionnement des foyers de cuisson F1, F2, F3. En particulier, un bandeau de commande 11, par exemple tactile, permet à l'utilisateur de régler la puissance de consigne, et par exemple la durée de fonctionnement, de chaque foyer de cuisson F1, F2, F3 de manière indépendante.The cooking apparatus comprises all the means necessary for the control in operation of the cooking hobs F1, F2, F3. In particular, a
Il n'est pas nécessaire de décrire plus en détail ici le fonctionnement de ces foyers de cuisson à induction.It is not necessary to describe in more detail here the operation of these induction hobs.
En notera en outre que chaque foyer de cuisson à induction est associé à des moyens de détection d'un récipient disposé au-dessus de chaque foyer de cuisson.Note further that each induction cooking hearth is associated with means for detecting a container disposed above each cooking chamber.
Ces moyens de détection de récipient sont généralement mis en oeuvre à partir des inducteurs constituant le foyer de cuisson et permettent, également de manière classique, de détecter la présence ou non d'un récipient R en vis-à-vis du foyer de cuisson considéré.These container detection means are generally implemented from the inductors constituting the cooking zone and also make it possible, in a conventional manner, to detect the presence or absence of a container R opposite the cooking zone considered. .
Sur la table de cuisson 10, chaque foyer de cuisson F1, F2, F3 peut être repéré dans le plan de cuisson, par exemple à l'aide d'un contour sérigraphié schématisant globalement la taille du foyer de cuisson F1, F2, F3.On the
Il est classique de prévoir des foyers de cuisson de dimension différente. En particulier, lorsque chaque foyer de cuisson F1, F2, F3 est constitué d'un inducteur enroulé en spirale, la taille du foyer de cuisson correspond sensiblement au diamètre du disque formé par l'inducteur.It is conventional to provide cooking hobs of different size. In particular, when each firing chamber F1, F2, F3 consists of a spiral wound inductor, the size of the firing chamber substantially corresponds to the diameter of the disk formed by the inductor.
A titre d'exemple non limitatif, à la
En corollaire, la puissance maximale théorique délivrée par chaque foyer de cuisson F1, F2, F3 varie par exemple entre 2200 et 3100 W.As a corollary, the theoretical maximum power delivered by each cooking chamber F1, F2, F3 varies for example between 2200 and 3100 W.
Plus généralement, dans ce mode de réalisation, l'appareil de cuisson comprend plusieurs foyers de cuisson à induction F1, F2, F3 qui délivrent chacun une puissance maximale théorique différente.More generally, in this embodiment, the cooking appliance comprises several induction cooking stoves F1, F2, F3 which each deliver a different theoretical maximum power.
Dans la suite de la description, et uniquement à titre illustratif pour décrire le procédé de commande, on considère ci-après qu'un premier foyer de cuisson F1 présente une puissance maximale théorique P1Max supérieure à une puissance maximale théorique P2Max associée à un deuxième foyer de cuisson F2, elle-même supérieure à une puissance maximale théorique P3Max associée à un troisième foyer de cuisson F3.In the remainder of the description, and only by way of illustration to describe the control method, it is considered hereinafter that a first cooking zone F1 has a theoretical maximum power P1Max greater than a theoretical maximum power P2Max associated with a second home. cooking F2, itself greater than a theoretical maximum power P3Max associated with a third cooking stove F3.
A titre d'exemple,
- P1 Max = 3100 W,
- P2Max = 2800 W, et
- P3Max = 2200 W.
- P1 Max = 3100 W,
- P2Max = 2800 W, and
- P3Max = 2200 W.
On va décrire à présent, en référence à la
L'utilisateur pose par exemple un récipient R sur un premier foyer de cuisson F1 comme illustré dans la situation schématisée à la
Le procédé de commande comporte, après la mise en marche du premier foyer de cuisson F1, une première étape d'acquisition S1 d'une puissance de consigne P1 c associée au premier foyer de cuisson F1 recouvert du récipient R.The control method comprises, after switching on the first cooking zone F1, a first acquisition step S1 of a setpoint power P1c associated with the first cooking zone F1 covered with the receptacle R.
En pratique, cette étape d'acquisition S1 d'une puissance de consigne peut être mise en oeuvre par l'utilisateur à partir du bandeau de commande 11 par des touches de réglage classiques de la puissance de consigne. L'utilisateur peut éventuellement saisir également une durée de cuisson à l'aide du paramétrage d'une minuterie.In practice, this acquisition step S1 of a target power can be implemented by the user from the
Le procédé de commande se poursuit alors par une étape de mesure S2 d'une valeur représentative d'une puissance P1 m délivrée au récipient R posée sur le premier foyer de cuisson F1. Cette étape consiste à mesurer la puissance qui peut être délivrée au récipient R par le premier foyer de cuisson F1 lorsque celui-ci est mis en fonctionnement selon la puissance de consigne P1 c fixée par l'utilisateur.The control method then continues with a measurement step S2 of a value representative of a power P1 m delivered to the container R placed on the first F1 cooking zone. This step consists in measuring the power that can be delivered to the container R by the first cooking zone F1 when it is put into operation according to the set power P1 c set by the user.
En pratique, lors de la mise en fonctionnement du premier foyer de cuisson F1, le ou les inducteurs constituant le foyer de cuisson sont mis en fonctionnement de manière classique par un onduleur commandé en fréquence.In practice, when the first cooking zone F1 is put into operation, the inductor or inductors constituting the cooking zone are operated in a conventional manner by a frequency-controlled inverter.
Au démarrage, la fréquence de commande de l'onduleur est élevée, par exemple de l'ordre de 50 kHz.At startup, the control frequency of the inverter is high, for example of the order of 50 kHz.
Puis cette valeur diminue de façon à augmenter petit à petit la puissance délivrée par le ou les inducteurs constituant le premier foyer de cuisson F1 jusqu'à atteindre sensiblement la valeur de la puissance de consigne P1 c.Then this value decreases so as to gradually increase the power delivered by the inductor (s) constituting the first cooking zone F1 until substantially reaching the value of the desired power P1 c.
On mesure alors la puissance P1 m délivrée au récipient R posé sur le premier foyer de cuisson F1.The power P1 m delivered to the receptacle R placed on the first cooking chamber F1 is then measured.
La valeur de cette puissance mesurée P1 m dépend notamment de l'adaptation du premier foyer de cuisson F1 au récipient R.The value of this measured power P1 m depends in particular on the adaptation of the first cooking zone F1 to the container R.
En particulier, la taille relative du récipient R et du premier foyer de cuisson F1 a une influence sur le comportement de l'inducteur placé sous le récipient R. De même, la qualité du matériau utilisé pour réaliser le récipient R vis-à-vis du chauffage par induction, la forme du récipient, la structure du fond du récipient, et éventuellement la présence d'un revêtement, peuvent influencer l'adaptation du récipient R pour son chauffage par induction par le premier foyer de cuisson F1.In particular, the relative size of the container R and the first cooking chamber F1 has an influence on the behavior of the inductor placed under the container R. Similarly, the quality of the material used to make the container R vis-à-vis induction heating, the shape of the container, the structure of the bottom of the container, and possibly the presence of a coating, can influence the adaptation of the container R for its induction heating by the first cooking chamber F1.
Le procédé de commande comporte ensuite une étape de comparaison S3 de la valeur mesurée P1 m avec une valeur représentative de la puissance de consigne P1 c.The control method then comprises a comparison step S3 of the measured value P1 m with a value representative of the reference power P1 c.
On notera que les valeurs représentatives de la puissance de consigne P1c et de la puissance mesurée P1m sont par exemple des valeurs électriques mesurables par le système de commande, et par exemple une valeur de tension ou de courant mesurée au niveau du circuit formé par l'inducteur et le récipient posé sur le premier foyer de cuisson F1.It will be noted that the values representative of the desired power P1c and of the measured power P1m are, for example, electrical values measurable by the control system, and for example a voltage or current value measured at the circuit formed by the inductor and the container placed on the first cooking chamber F1.
En fonction du résultat de cette étape de comparaison S3, le premier foyer de cuisson F1 est classifié comme adapté à chauffer le récipient R lorsque un ratio entre la valeur mesurée P1 m et la valeur représentative de la puissance de consigne P1 c est supérieur à un seuil prédéfini.As a function of the result of this comparison step S3, the first cooking zone F1 is classified as being adapted to heat the container R when a ratio between the measured value P1 m and the value representative of the desired power P1 c is greater than one. predefined threshold.
A titre d'exemple non limitatif, ce ratio peut correspondre à 85%.By way of non-limiting example, this ratio can correspond to 85%.
Dans ce cas, en sortie de l'étape de comparaison S3, le premier foyer de cuisson F1 est considéré comme adapté à chauffer le récipient R et le procédé de commande de l'appareil de cuisson se poursuit de manière classique par l'utilisation en fonctionnement du premier foyer de cuisson F1 pour chauffer le récipient R.In this case, at the outlet of the comparison step S3, the first cooking zone F1 is considered to be suitable for heating the container R and the control method of the cooking appliance is conventionally continued by using operation of the first cooking zone F1 to heat the container R.
A contrario, si le ratio entre la valeur mesurée P1 m et la valeur représentative de la puissance de consigne P1 c est inférieur au seuil prédéfini, le procédé de commande se poursuit par une étape d'identification S4, parmi les autres foyers de cuisson d'induction, d'au moins un foyer de cuisson disponible adapté à chauffer le récipient R.Conversely, if the ratio between the measured value P1 m and the representative value of the desired power P1 c is less than the predefined threshold, the control method continues with an identification step S4, among the other cooking hobs. induction of at least one available cooking zone adapted to heat the container R.
Cette étape d'identification S4 est illustrée, à titre non limitatif, selon un mode de réalisation plus détaillé à la
Dans son principe, cette étape d'identification S4 consiste à comparer la valeur mesurée P1 m et une valeur représentative de la puissance maximale théorique P2Max, P3Max délivrée par les autres foyers de cuisson F2, F3 de la table de cuisson, différents du premier foyer de cuisson F1.In principle, this identification step S4 consists in comparing the measured value P1 m and a value representative of the theoretical maximum power P2Max, P3Max delivered by the other cooking hobs F2, F3 of the hob, different from the first focus. F1 cooking.
En pratique, afin de discriminer de manière efficace les foyers de cuisson susceptibles de convenir pour chauffer le récipient R en fonction de la puissance de consigne P1 c demandé par l'utilisateur, l'étape d'identification S4 comporte tout d'abord une étape de comparaison S41 adaptée à vérifier si le ratio entre la valeur mesurée P1 m et la valeur représentative de la puissance de consigne P1 c est inférieur à un autre seuil prédéfini, et ici fixé à 70%.In practice, in order to effectively discriminate the cooking stoves that may be suitable for heating the container R as a function of the desired power P1 c requested by the user, the identification step S4 firstly comprises a step comparing S41 adapted to verify if the ratio between the measured value P1 m and the representative value of the desired power P1 c is less than another preset threshold, and here set at 70%.
Cette étape de vérification S41 permet ainsi de vérifier si la puissance mesurée P1 m est très éloignée ou non de la puissance de consigne P1 c demandée par l'utilisateur. Dans la négative, on testera ensuite l'adaptation du deuxième foyer de cuisson F2, le plus proche en termes de dimensionnement et de puissance maximale théorique du premier foyer de cuisson F1. A contrario, si l'écart entre la puissance mesurée P1m et la puissance de consigne P1c est très important, on testera directement la possibilité d'utiliser le troisième foyer de cuisson F3 de puissance maximale théorique P3Max la plus faible.This verification step S41 thus makes it possible to check whether the measured power P1 m is far away from the user-requested reference power P1 c. If not, then we will test the adaptation the second firing chamber F2, the closest in terms of design and theoretical maximum power of the first firing chamber F1. Conversely, if the difference between the measured power P1m and the desired power P1c is very large, it will be directly tested the possibility of using the third firing furnace F3 theoretical maximum power P3Max the weakest.
Pour vérifier l'adaptation du deuxième ou troisième foyer de cuisson F2, F3 à chauffer le récipient R, des étapes de comparaison S42, S43 sont mises en oeuvre respectivement pour comparer la valeur mesurée P1 m et une valeur représentative d'une puissance maximale théorique P2Max, P3Max délivrée par chaque foyer de cuisson F2, F3.To verify the adaptation of the second or third firing chamber F2, F3 to heat the container R, comparison steps S42, S43 are implemented respectively for comparing the measured value P1 m and a value representative of a theoretical maximum power. P2Max, P3Max delivered by each cooking zone F2, F3.
En pratique, les foyers de cuisson F2, F3 sont classifiés comme un foyer de cuisson adapté lorsque le ratio entre la valeur mesurée P1m et la valeur représentative de la puissance maximale théorique P2Max, P3Max est inférieur à un second seuil prédéfini, ici fixé à titre d'exemple non limitatif à 95%.In practice, the cooking hobs F2, F3 are classified as a suitable cooking zone when the ratio between the measured value P1m and the value representative of the theoretical maximum power P2Max, P3Max is less than a second predefined threshold, here fixed as non-limiting example to 95%.
Dans l'affirmative, une étape de détection S44, S45 de récipient est mise en oeuvre sur ces foyers de cuisson F2, F3 afin de déterminer si les deuxième et troisième foyers de cuisson F2, F3 sont des foyers de cuisson disponibles.If so, a container detection step S44, S45 is carried out on these cooking burners F2, F3 to determine whether the second and third cooking burners F2, F3 are available cooking hobs.
En sortie de ces étapes de détection S44, S45, une étape de classification S46, S47 permet de classifier le deuxième foyer de cuisson F2 ou le troisième foyer de cuisson F3, lorsqu'il est disponible, comme un foyer de cuisson adapté à chauffer le récipient R dès lors que le ratio entre la valeur mesurée P1 m et la valeur représentative de la puissance maximale théorique P2Max, P3Max associée à chaque foyer de cuisson F2, F3 est inférieur au second seuil prédéfini.At the output of these detection steps S44, S45, a classification step S46, S47 makes it possible to classify the second cooking zone F2 or the third cooking zone F3, when it is available, as a cooking zone suitable for heating the oven. container R since the ratio between the measured value P1 m and the representative value of the theoretical maximum power P2Max, P3Max associated with each cooking zone F2, F3 is less than the second predefined threshold.
En revenant au procédé de commande illustré à la
Ainsi, l'utilisateur peut être informé de l'inadaptation du premier foyer de cuisson F1 au chauffage du récipient R, et ceci uniquement s'il existe dans la table de cuisson 10 un autre foyer de cuisson à induction, susceptible de chauffer le récipient R dans des conditions d'adaptation supérieures.Thus, the user can be informed of the maladaptation of the first cooking zone F1 to the heating of the container R, and this only if there is in the
L'étape d'émission S5 du signal d'avertissement peut être mise en oeuvre de manière visuelle à l'attention de l'utilisateur.The transmission step S5 of the warning signal can be implemented visually for the attention of the user.
Dans ce cas, le signal d'avertissement de foyer de cuisson inadapté est une information affichée sur le bandeau de commande 11 de la table de cuisson 10, en association avec le foyer de cuisson inadapté.In this case, the incorrect cooking stove warning signal is information displayed on the
Comme illustré à la
Ici, un signal "no" est affiché dans la zone d'affichage de puissance de consigne dédiée au premier foyer de cuisson F1.Here, a signal "no" is displayed in the set power display area dedicated to the first cooking zone F1.
Dans ce mode de réalisation illustré à la
Une étape de détection S6 du retrait du récipient R du premier foyer de cuisson F1 est mise en oeuvre pendant une période de temps prédéterminée ΔT1, égale par exemple à 10s.A detection step S6 of the withdrawal of the container R from the first cooking chamber F1 is carried out for a predetermined period of time ΔT1, equal for example to 10s.
Comme illustré à la
En revanche, si à l'issue de l'étape de détection S6, le récipient R est retiré du premier foyer de cuisson F1, une étape d'activation S7 de la détection de récipient est mise en oeuvre sur la table de cuisson 10.On the other hand, if at the end of the detection step S6, the container R is removed from the first cooking zone F1, an activation step S7 of the container detection is implemented on the
L'étape d'activation S7 de la détection de récipient est mise en oeuvre de manière classique dans une table de cuisson, en testant le comportement de chaque inducteur constituant chaque foyer de cuisson F1, F2, F3 de la table de cuisson 10 pour vérifier s'il est ou non recouvert d'un récipient R.The activation step S7 of the container detection is implemented in a conventional manner in a hob, by testing the behavior of each inductor constituting each cooking zone F1, F2, F3 of the
Une étape de détection S8 est mise en oeuvre pour détecter la présence du récipient R sur un autre foyer de cuisson à induction Fi, différent du premier foyer de cuisson F1.A detection step S8 is implemented to detect the presence of the container R on another induction cooking furnace Fi, different from the first cooking zone F1.
L'étape de détection S8 est mise en oeuvre également de manière itérative pendant une période de temps prédéterminée ΔT2, égale par exemple à 10s.The detection step S8 is also implemented iteratively for a predetermined period of time ΔT2, equal for example to 10s.
Si à l'issue de la période de temps prédéterminée ΔT2, aucun récipient n'est détecté sur un foyer de cuisson Fi de la table de cuisson 10, une étape d'extinction S9 du premier foyer de cuisson F1 est mise en oeuvre.If at the end of the predetermined period of time ΔT2, no container is detected on a cooking zone Fi of the
En revanche, si à l'issue de l'étape de détection S8, un foyer de cuisson à induction Fi est détecté comme recouvert par le récipient R, une étape de test S10 permet de vérifier si ce foyer de cuisson Fi correspond à un foyer disponible classifié comme un foyer de cuisson adapté au chauffage du récipient R lors de l'étape d'identification S4 d'un foyer de cuisson disponible adapté à chauffer le récipient R.On the other hand, if at the end of the detection step S8, an induction cooking furnace Fi is detected as covered by the container R, a test step S10 makes it possible to check whether this cooking hearth Fi corresponds to a focus available classified as a cooking stove adapted to the heating of the container R during the identification step S4 of an available cooking stove adapted to heat the container R.
Dans la négative, l'étape d'émission S5 d'un signal d'avertissement de foyer de cuisson inadapté est mise en oeuvre en association avec cet autre foyer de cuisson Fi pour indiquer à l'utilisateur que cet autre foyer de cuisson n'est pas identifié comme un foyer disponible adapté à chauffer le récipient R.If not, the S5 emission step of an unsuitable cooking stove warning signal is carried out in association with this other cooking stove Fi to indicate to the user that this other cooking zone is not identified as an available fireplace suitable for heating container R.
L'ensemble des étapes S5 et suivantes est alors réitéré pour détecter le déplacement éventuel du récipient R.All steps S5 and following are then reiterated to detect the possible movement of the container R.
A contrario, si à l'issue de l'étape de test S10, le foyer de cuisson Fi recouvert par le récipient R correspond à un foyer disponible adapté à chauffer le récipient lors de l'étape d'identification S4, le foyer de cuisson Fi est mis en fonctionnement à la puissance de consigne P1 c associée au premier foyer de cuisson F1 et une étape d'extinction S11 du premier foyer de cuisson F1 est mise en oeuvre.Conversely, if at the end of the test step S10, the cooking chamber Fi covered by the container R corresponds to an available fireplace adapted to heat the container during the identification step S4, the cooking chamber Fi is put in operating at the desired power P1 c associated with the first cooking zone F1 and an extinction step S11 of the first cooking zone F1 is implemented.
L'ensemble des paramètres de cuisson réglés par l'utilisateur, et notamment la puissance de consigne P1c et éventuellement la durée de cuisson sont transmis à ce nouveau foyer de cuisson Fi pour permettre ensuite l'utilisation classique de ce foyer de cuisson Fi pour chauffer le récipient R.The set of cooking parameters set by the user, including the set power P1c and possibly the cooking time are transmitted to this new cooking chamber Fi to then allow the conventional use of this cooking hearth Fi to heat the R. container
Dans le mode de réalisation illustré à la
Alternativement, l'étape de mesure S2 et l'ensemble des étapes suivantes du procédé de commande pourraient être mis en oeuvre après actionnement d'une touche dédiée 12 de l'appareil de cuisson 10. Le procédé de commande comporte alors une étape préalable pour détecter l'actionnement de cette touche dédiée 12 de l'appareil de cuisson 10. En l'absence d'actionnement de la touche dédiée 12, le procédé de commande et de chauffage du récipient R se poursuit de manière classique sur le premier foyer de cuisson F1 quelle que soit la qualité de l'adaptation.Alternatively, the measurement step S2 and all of the following steps of the control method could be implemented after actuation of a
En revanche, l'utilisateur peut à tout moment actionner la touche dédiée 12 pour vérifier l'adaptation du premier foyer de cuisson F1 au chauffage du récipient R selon la puissance de consigne demandée.On the other hand, the user can at any time actuate the dedicated key 12 to check the adaptation of the first cooking zone F1 to the heating of the container R according to the requested nominal power.
Ainsi, le procédé de commande permet de déterminer si un premier foyer de cuisson F1 est bien adapté au chauffage d'un récipient R et dans le cas contraire, d'émettre un signal d'avertissement de foyer de cuisson inadapté à l'attention de l'utilisateur afin que celui-ci puisse choisir un foyer de cuisson mieux adapté.Thus, the control method makes it possible to determine whether a first cooking zone F1 is well adapted to heating a container R and if it does not, to emit an incorrect cooking zone warning signal to the attention of the customer. the user so that he can choose a cooking stove better adapted.
Bien entendu, les modes de réalisation décrits précédemment sont purement illustratifs.Of course, the embodiments described above are purely illustrative.
Ainsi, les valeurs choisies pour illustrer les ratios permettant de déterminer si un foyer de cuisson est adapté ou non sont indicatives et peuvent varier, notamment en fonction de la taille et de la puissance de chaque foyer de cuisson.Thus, the values chosen to illustrate the ratios for determining whether a cooking stove is suitable or not are indicative and can vary, depending on the size and power of each cooking stove.
Par ailleurs, le procédé décrit précédemment en référence à la
Le procédé de commande peut comporter en outre une étape d'émission d'un signal d'avertissement de foyer de cuisson adapté en association avec un des foyers de cuisson F2, F3 disponible et identifié comme adapté à chauffer le récipient R après l'étape d'identification S4 telle que mise en oeuvre par exemple selon le mode de réalisation de la
Dans ce cas, le signal d'avertissement de foyer de cuisson adapté peut être une information affichée sur le bandeau de commande 11 de l'appareil de cuisson 10, en association avec le foyer de cuisson adapté.In this case, the adapted cooking hearth warning signal may be information displayed on the
Ainsi, simultanément à l'affichage du signal "no" en association avec le premier foyer de cuisson F1, un signal différent, tel que "ok", peut être affiché sur une autre zone d'affichage associée à l'un des deux autres foyers de cuisson F2, F3.Thus, simultaneously with the display of the signal "no" in association with the first cooking zone F1, a different signal, such as "ok", can be displayed on another display zone associated with one of the other two cooking hobs F2, F3.
Claims (12)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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FR1551751A FR3033471B1 (en) | 2015-03-02 | 2015-03-02 | METHOD FOR CONTROLLING A COOKING APPARATUS AND ASSOCIATED COOKING APPARATUS |
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EP3065505A1 true EP3065505A1 (en) | 2016-09-07 |
EP3065505B1 EP3065505B1 (en) | 2022-04-06 |
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EP16157136.9A Active EP3065505B1 (en) | 2015-03-02 | 2016-02-24 | Method for controlling a cooking appliance and associated cooking appliance |
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EP (1) | EP3065505B1 (en) |
ES (1) | ES2920808T3 (en) |
FR (1) | FR3033471B1 (en) |
MA (1) | MA40356A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4686340A (en) * | 1985-04-17 | 1987-08-11 | Sanyo Electric Co., Ltd. | Induction heating apparatus with unsuitable load detecting circuit |
EP2389045A1 (en) * | 2010-05-21 | 2011-11-23 | FagorBrandt SAS | Method for controlling the operation of a set of inductors of an induction cooktop |
EP2453715A2 (en) * | 2010-11-11 | 2012-05-16 | BSH Bosch und Siemens Hausgeräte GmbH | Household operating device and method for centring an attachment to a household operating device |
EP2706816A1 (en) | 2012-09-05 | 2014-03-12 | E.G.O. ELEKTRO-GERÄTEBAU GmbH | Operating method for a cooking hob and cooking hob |
-
2015
- 2015-03-02 FR FR1551751A patent/FR3033471B1/en active Active
-
2016
- 2016-02-24 ES ES16157136T patent/ES2920808T3/en active Active
- 2016-02-24 MA MA040356A patent/MA40356A/en unknown
- 2016-02-24 EP EP16157136.9A patent/EP3065505B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4686340A (en) * | 1985-04-17 | 1987-08-11 | Sanyo Electric Co., Ltd. | Induction heating apparatus with unsuitable load detecting circuit |
EP2389045A1 (en) * | 2010-05-21 | 2011-11-23 | FagorBrandt SAS | Method for controlling the operation of a set of inductors of an induction cooktop |
EP2453715A2 (en) * | 2010-11-11 | 2012-05-16 | BSH Bosch und Siemens Hausgeräte GmbH | Household operating device and method for centring an attachment to a household operating device |
EP2706816A1 (en) | 2012-09-05 | 2014-03-12 | E.G.O. ELEKTRO-GERÄTEBAU GmbH | Operating method for a cooking hob and cooking hob |
Also Published As
Publication number | Publication date |
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MA40356A (en) | 2016-09-07 |
FR3033471A1 (en) | 2016-09-09 |
FR3033471B1 (en) | 2017-03-17 |
EP3065505B1 (en) | 2022-04-06 |
ES2920808T3 (en) | 2022-08-09 |
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