EP2482613A1 - Verfahren zur Optimierung der Positionierung mindestens eines Behälters auf einer Gruppe von Induktoren eines Induktionskochfeldes, und zugehöriges Induktionskochfeld - Google Patents

Verfahren zur Optimierung der Positionierung mindestens eines Behälters auf einer Gruppe von Induktoren eines Induktionskochfeldes, und zugehöriges Induktionskochfeld Download PDF

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Publication number
EP2482613A1
EP2482613A1 EP12152249A EP12152249A EP2482613A1 EP 2482613 A1 EP2482613 A1 EP 2482613A1 EP 12152249 A EP12152249 A EP 12152249A EP 12152249 A EP12152249 A EP 12152249A EP 2482613 A1 EP2482613 A1 EP 2482613A1
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EP
European Patent Office
Prior art keywords
container
inductors
inductor
positioning
heating zone
Prior art date
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Granted
Application number
EP12152249A
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English (en)
French (fr)
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EP2482613B1 (de
Inventor
Jean-Marc Bugeia
Xavier Andre
Didier Gouardo
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Groupe Brandt SAS
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FagorBrandt SAS
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Publication date
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Publication of EP2482613A1 publication Critical patent/EP2482613A1/de
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Publication of EP2482613B1 publication Critical patent/EP2482613B1/de
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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
    • H05B6/065—Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils
    • 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
    • H05B2213/03—Heating plates made out of a matrix of heating elements that can define heating areas adapted to cookware randomly placed on the heating plate
    • 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 for optimizing the positioning of at least one container disposed above a set of inductors of an induction hob.
  • an induction hob comprising a set of inductors distributed in a two-dimensional grid in a cooking plane of said induction hob, adapted to implement the positioning optimization method of at least a container disposed above a set of inductors of an induction cooktop according to the invention.
  • the invention relates to the control in operation of the inductors in an induction hob having no predefined heating zones.
  • Induction hobs are already known comprising independent cooking hobs, the number, position and size of which are determined by the induction hob manufacturer.
  • the cooking hobs are symbolized on the hob of the induction hobs by a marking made by screen printing.
  • the covering surface of a container must be as close as possible to the covering surface of an inductor so as to optimize the power delivered by said inductor.
  • each heating zone is constituted case by case depending on the position and the size of the container placed on the cooking surface. vis-à-vis a subset of one or more inductors.
  • each inductor is powered by an inverter supply device, including implementing a power switch of the bipolar transistor type such as an IGBT transistor (acronym for the term “Insulated Gate Bipolar Transistor”) or a transistor MOS (acronym for the term “Metal Oxide Semiconductor”).
  • a power switch of the bipolar transistor type such as an IGBT transistor (acronym for the term “Insulated Gate Bipolar Transistor") or a transistor MOS (acronym for the term “Metal Oxide Semiconductor”).
  • Each inverter supply device can be made either in a half-bridge architecture, implementing two power switches, or in a quasi-resonant circuit architecture, implementing a single power switch.
  • the power delivered by the inductor (s) is linked to the position of a container on the constituent inductor (s). a heating zone.
  • the heating zones are not delimited and defined on the hob so as to allow a great flexibility of use of said induction hob.
  • the position of at least one heating zone on the hob of a matrix-type induction hob allocated to a container may therefore be random.
  • Such a hob without predefined heating zones having an automatic detection of containers, makes it possible to detect the addition, displacement and / or removal of a receptacle allocated to a detected heating zone.
  • these matrix-type induction hobs have the disadvantage of not allowing the user to know whether a container disposed above a set of one or more inductors of such a table occupies a suitable position. for distributing the power delivered to several inductors at least partially covered by said container.
  • EP 2 192 820 A1 discloses a hob comprising a plurality of grid-like heating elements, a hob, and a control unit, which is configured to form a flexibly-definable heating zone with one or more heating elements depending on the size and / or position of a cooking vessel placed on the hob.
  • the hob has at least one marking, which displays the position of at least one preferred heating zone for the small cookware.
  • Such a hob has the disadvantage of providing an optimal zone by default for a small container, where this area is identified by a mark on the top of the hob matrix type.
  • the present invention aims to solve the aforementioned drawbacks and to provide a method, and an associated induction hob, for optimizing the position of at least one container disposed above a set of inductors d an induction hob so as to distribute the power delivered to a plurality of inductors belonging to at least one heating zone allocated to a container and to minimize the cooking time of the contents of a container.
  • the present invention aims, in a first aspect, a positioning optimization method of at least one container disposed above a inductor assembly of an inductive hob, said inductors being distributed in a two-dimensional grid in a hob of said induction hob, and each inductor being fed by an inverter supply device, said inductors forming means for heating a container and means for detecting the presence of a container, wherein said method comprises at least the following step: detecting at least one heating zone consisting of a sub-assembly of at least one inductor at least partially covered by a container.
  • the warning of an unsuitable position of a container with respect to a subset of at least one inductor at least partially covered by said container makes it possible to signal to the user that at least one position of said container disposed above a set of inductors of a more optimal induction hob exists so as to distribute the power delivered on several inductors of the zone of heat allocated to said container and to accelerate the heating or cooking of the contents of said container.
  • moving the container to a suitable position makes it possible to increase the power delivered to the heating zone allocated to said container, and consequently to reduce the heating or cooking time of the contents of said container, and in particular to reduce the boiling time of a liquid.
  • the method according to the invention thus makes it possible to warn the user that at least one position of a container disposed above a set of inductors of a more optimal induction hob exists by a visual signal. and / or sound, when an unsuitable position of a container is determined, regardless of the number and position of containers disposed above a set of inductors of an induction hob while maintaining the flexibility of use of an induction hob.
  • the warning of an unsuitable position of a container with respect to a subset of at least one inductor at least partially covered by said container is repeated for each new position of the container corresponding to an unsuitable position so as to inform the user and give the indication to move the container to a suitable position.
  • the present invention aims, according to a second aspect, an induction hob, comprising a set of inductors distributed in a frame two-dimensional in a hob of said induction hob, each inductor being powered by an inverter supply device, said inductors forming means for heating a container and means for detecting the presence of a container.
  • the induction hob comprises control means adapted to implement the positioning optimization method of at least one container.
  • This induction hob has characteristics and advantages similar to those described above in relation to the method for optimizing the positioning of at least one container according to the invention.
  • an induction hob adapted to implement the method of positioning optimization of at least one container disposed above a set of inductors of an induction hob according to an embodiment of the invention.
  • the induction hob 1 comprises heating means constituted by a set of inductors 2. These inductors 2 are distributed in a two-dimensional grid in a hob 3 of the induction hob 1.
  • the induction hob 1 comprises a plurality of elementary inductors 2 arranged under the cooking plane 3 so as to cover the entire surface of the latter.
  • the inductors 2 are here of circular shape and of equal diameter, which can be of the order of 80 millimeters.
  • the inductors can be of different shape and size, such as for example triangular, rectangular, or octagonal.
  • the maximum power supplied by each inductor 2 is of the order of 700 Watts.
  • the inductors 2 are arranged in line in a direction, for example horizontal as illustrated in FIGS. Figures 1 to 3 , and the inductors 2 of each line are themselves arranged in staggered rows with the inductors 2 of the adjacent lines so as to best cover the hob 3.
  • the arrangement of the inductors in the hob is not limiting and may be different.
  • the hob 3 thus formed via the inductors 2 can be of any shape, for example rectangular as illustrated in FIGS. Figures 1 to 3 .
  • the shape of the hob is not limiting and may be different, including square, circular or oval.
  • Such an induction hob 1 does not have predefined delimited heating zones, each heating zone being determined case by case depending on the position and the size of a container placed on the hob 3 and covering a subset of inductors 2.
  • Each inductor 2 can be fed in a conventional manner by an inverter supply device (not shown), composed of a half-bridge power electronic structure or a quasi-resonant circuit power electronics structure.
  • the container presence detection can be implemented by measuring the effective current flowing in each inductor 2 since it is dependent on the surface covered by said inductor 2 by a container.
  • the inductors 2 thus constitute both the heating means of a container and the means for detecting the presence of a container.
  • the control means (not shown) of the induction hob 1, comprising at least one or more microcontrollers, are able to control one or more several containers placed on the hob 3 and apply operating powers, each heating zone, different or identical which are dependent on the desired power required by the user for each container.
  • the induction hob 1 comprises a control keyboard 4 comprising at least selection means 5, such as for example touch keys or a touch screen, and display means 6, such as for example one or more lights made by means of light-emitting diodes and / or one or more displays that can be of the LCD type (acronym for the English term "Liquid Crystal Display”).
  • selection means 5 such as for example touch keys or a touch screen
  • display means 6 such as for example one or more lights made by means of light-emitting diodes and / or one or more displays that can be of the LCD type (acronym for the English term "Liquid Crystal Display").
  • the container or containers R are freely positioned on the cooking plane 3 by the user and the heating zone or zones Z1, Z2 are associated with this or these containers R following the first detection step.
  • the step of detecting at least one heating zone Z1, Z2 may, in particular, be implemented following the addition of one or more containers R on the cooking surface 3 or following a displacement of a or several containers R present on the hob 3, either by sliding or by removal and deposition of the container or containers R on the hob 3.
  • the step of detecting at least one heating zone Z1, Z2 comprises a search phase of at least one heating zone Z1, Z2 consisting of a subset of at least one inductor 2 covered at least partially by a container R.
  • This search phase of at least one heating zone Z1, Z2 consisting of a subset of at least one inductor 2 at least partially covered by a container R can be implemented for example by scanning all the inductors 2 following a predetermined path, so as to determine the presence of one or more R placed on the cooking plane 3.
  • a heating zone Z1, Z2 comprises the inductor (s) 2 covered by a container R as a function of a threshold value of a recovery, where the threshold value of the recovery rate can be of the order of 40%.
  • an inductor 2 when covered by a container R, it is assigned to a heating zone Z1, Z2 if the recovery rate thereof is greater than the threshold value.
  • the heating zone Z1 defined by the container R comprises only the inductor 19 since it is the only inductor 2 whose recovery rate is greater than the threshold value of the recovery rate, in particular 40%, to be considered as occupied by the container R.
  • the heating zone Z2 defined by the container R comprises only the inductors 19 and I10 since it is the two inductors 2 whose recovery rate is greater than the threshold value of the recovery rate, in particular 40%, to be considered as occupied by the container R.
  • the heating zone Z2 defined by the container R comprises only the inductors I9, I10 and I18 since these are the three inductors 2 whose recovery rate is greater than the threshold value of the recovery rate, in particular of 40%, for be considered occupied by the container R.
  • the inductor (s) 2 belonging to a subset of at least one inductor 2 forming a heating zone Z1, Z2, this or these inductors 2 are assigned to a list of inductors 2 used for a heating zone Z1, Z2 of the hob 3.
  • the detected receptacle (s) R can be represented graphically on a display means 6, such as for example a color or monochrome graphic display.
  • a step of entering at least one set of cooking time associated with one of the heating zones Z1, Z2 can also be implemented through the selection means 5 of the control keyboard 4.
  • the heating zone or zones Z1, Z2 associated with a detected container R can be put into operation following the step of detecting at least one heating zone Z1, Z2.
  • the warning of an unsuitable position of a container R with respect to a subset of at least one inductor 2 covered at least partially by said container R makes it possible to signal to the user that at least one position of said container R disposed above a set of inductors 2 of a more optimal induction cooktop 1 exists so as to distribute the power delivered to several inductors 2 to the heating zone assigned to said container R and to accelerate the heating or cooking the contents of said container R.
  • the movement of the container R to a suitable position makes it possible to increase the power delivered to the heating zone assigned to said container R, and consequently to reduce the heating or cooking time of the contents of said container R, and especially to reduce the boiling time of a liquid.
  • the step of determining the positioning adaptation of a container R is carried out by the control means of the hob 1, in particular by at least one microcontroller, so as to decide whether a container R is in a suitable or inappropriate position to distribute the power delivered to several inductors 2 belonging to a heating zone. And depending on the result of this step of determining the positioning adaptation of a container R, a warning is issued to indicate that at least one more optimal position of the container R exists when it is in an unsuitable position, or the inductors 2 belonging to said at least one heating zone Z2 assigned to the container R are put into operation when the latter is in a suitable position.
  • the method according to the invention thus makes it possible to warn the user that at least one position of a container R disposed above a set of inductors 2 of a more optimal induction cooktop 1 exists by a visual and / or audible signal, when an unsuitable position of a container R is determined, irrespective of the number and position of containers disposed above a set of inductors 2 of a cooktop to induction 1 while maintaining the flexibility of use of an induction cooktop 1.
  • the warning of an unsuitable position of a container R with respect to a subset of at least one inductor 2 at least partially covered by said container R may also make it possible to signal to the user that the container R must be moved to a position adapted to minimize the time of heating or cooking the contents of the container R.
  • the warning of an unsuitable position of a container R with respect to the subset of at least one inductor 2 at least partially covered by said container R can be realized by a visual signal, which can be implemented by example by means of a color or monochrome graphic display, or by a sound signal, which can be implemented by a loudspeaker or a vibrator, or in combination of a visual signal and a sound signal.
  • a visual signal which can be implemented by example by means of a color or monochrome graphic display, or by a sound signal, which can be implemented by a loudspeaker or a vibrator, or in combination of a visual signal and a sound signal.
  • this visual signal may be a change in shape and / or initial color of the graphic representation of a container. R on a graphic display.
  • the determination of the position of a container R in the adapted position may, in addition, be indicated by a visual and / or audible warning in parallel with the operation of the inductors 2 of the heating zone Z2. attributed to said container R.
  • the operation of the subset of at least one inductor 2 belonging to said at least one zone of heating Z1 is implemented in parallel with the warning of an unsuitable position of said container R.
  • the warning of an unsuitable position is implemented in parallel with the heating zone.
  • Z1 covered by the container R by delivering a lower power with respect to a heating zone Z2 corresponding to a suitable position of said container R.
  • the heating zone Z1 covered by the container R and corresponding to an unsuitable position of said container R is put into operation following the step of detecting at least one heating zone Z1, Z2 so as to avoid a waste of time to heat or cook the contents of the container R.
  • the warning of an unsuitable position of a container R with respect to a subset of at least one inductor 2 at least partially covered by said container R is repeated for each new position of the container R corresponding to a position unsuitable to warn the user and to give the indication to move the container R to a suitable position.
  • the search and detection steps of at least one new heating zone make it possible to detect a displacement of a container R relative to the set of inductors 2 of the induction hob 1 so as to repeat the step of determining the positioning adjustment of the container R and then determining whether the position of the container R is adapted or unsuitable.
  • the step of searching for at least one new heating zone Z1, Z2 makes it possible to detect a movement of one or more containers R automatically through the control means of the induction hob 1, as well as detecting the addition of one or more containers R automatically through the control means of the induction hob 1.
  • the displacement of a container R can be achieved by raising it with respect to the hob 3, that is to say that the container R is no longer brought into contact with the hob 3 during the displacement of said container R, or by sliding thereof relative to the hob 3, that is to say that the container R is kept in contact with the hob 3 during the movement of said container R .
  • the addition and displacement of one or more containers R can be detected by detection means able to detect a variation of a measurement made in at least one of the inductors 2 of the hob 3.
  • the detection means determine through the control means of the induction hob 1 if the container has been removed from the hob 3, or if the container has been removed. moved so as to modify the overlap surface of one or more inductors 2, or if the container has been moved so as to cover one or more new inductors 2.
  • the variation of a measurement made in at least one of the inductors 2 of the hob 3 can be observed by the control means of the induction hob 1 for example by measuring the current flowing in an inductor 2, or in a control transistor of an inductor 2, or by analyzing an operating parameter of a control member of an electronic control circuit of an inductor 2.
  • the step of searching for at least one new heating zone Z1, Z2 consisting of a subset of at least one inductor 2 covered at least partially by a receptacle R can be implemented for example by scanning all the inductors 2 one or more times along a predetermined path.
  • This step of searching for at least one new heating zone Z1, Z2 can be implemented substantially identically to the search phase of at least one heating zone Z1, Z2 of the detection step of at least minus a heating zone Z1, Z2 described above.
  • this or these inductors 2 are assigned to a list of inductors 2 used for a heating zone Z1, Z2 of the hob 3 so as to update this list of inductors 2 as a function of the displacement or displacements of one or more containers R and / or the addition of one or more R.
  • the warning of an unsuitable position of the container R is interrupted in the case where the container R is now in a suitable position, such as represented at figures 2 and 3 , or the warning of an unsuitable position of the container R is maintained in the case where the container R is always in an unsuitable position, as represented in FIG. figure 1 .
  • the step of searching for at least one new heating zone Z1, Z2 is carried out periodically for a predetermined duration D1 from the warning of an unsuitable position of the container R.
  • this step of searching for at least one new heating zone Z1, Z2 makes it possible to quickly and automatically detect a new position of the container R following the displacement of the latter with respect to the set of inductors 2 of the cooktop 1.
  • the step of searching for at least one new heating zone is carried out with a periodicity of the order of 3.5 seconds for a predetermined duration D1 of the order of 30 seconds. .
  • the warning can be kept active for the whole predetermined period D1 of searching for at least one new heating zone Z1, Z2.
  • the container R is in an unsuitable position following the flow of the predetermined duration D1, the subset of at least one inductor 2 at least partially covered by said container R is operated.
  • the inductors 2 of the initial heating zone Z1 covered by the container R are set to operation although the container R is in a position unsuitable for distributing the power delivered to several inductors 2 of said initial heating zone Z1.
  • a visual warning of an unsuitable position of the container R is kept active as long as said container R is kept in this position and the subset of at least one inductor 2 at least partially covered by the container R is put into operation.
  • the visual warning makes it possible to signal to the user that the container R is heating but that its position is not optimal for distributing the power delivered to several inductors 2 of the heating zone allocated to the container R .
  • the heating or cooking time of the contents of the container R will be longer than if the container R had been moved to a suitable position.
  • the predetermined duration D1 during which the step of searching for at least one new heating zone Z1, Z2 is carried out periodically, is triggered respectively for each container R from the warning.
  • the steps of finding and detecting at least one new heating zone Z1, Z2 and then repeating the step of determining the positioning adjustment of the container R are carried out iteratively during a period of time. predetermined duration D2 or during a predetermined number of repetitions from the first warning of an unsuitable position of said container R, as long as said container R is in the unsuitable position.
  • the subset of at least one inductor 2 covered at least partially by said container R is operated.
  • the steps of searching for and detecting at least one new heating zone Z1, Z2 and then repeating the step of determining the positioning adjustment of the container R are implemented iteratively. for a predetermined duration D2 of the order of one minute.
  • the warning can be kept active during all the predetermined duration D2 or during the predetermined number of repetitions of search iteration, detection of at least one new heating zone Z1, Z2 and determination of the positioning adjustment of the container R.
  • a visual warning of an unsuitable position of the container R is kept active as long as said container R is kept in this position and the subset of at least one inductor 2 at least partially covered by the container R is put into operation.
  • the visual warning makes it possible to signal to the user that the container R is heating but that its position is not optimal for distributing the power delivered to several inductors 2 of the heating zone allocated to the container R .
  • the heating or cooking time of the contents of the container R will be longer than if the container R had been moved to a suitable position.
  • the warning of an unsuitable position of the container R is extinguished, and the display of a graphical representation of the container R can also be turned off.
  • a step of searching for at least one new heating zone Z1, Z2 can be implemented substantially identically to the search phase of at least one heating zone Z1, Z2 of the detection step of at least one heating zone Z1, Z2 described above.
  • the step of determining the positioning adjustment of the container R comprises a step of determining the number of inductors 2 covered by said container R.
  • control means of the induction hob 1 make it possible to determine the number of inductors 2 covered by a container R, from the data of the step of detecting at least one heating zone as described previously, so as to determine the positioning adjustment of the container R with respect to the set of inductors 2 of the induction cooktop 1 as a function of the number of inductors 2 determined.
  • the step of warning of an unsuitable position of said container R is implemented if the recovery of a subassembly of at least one inductor 2 by said receptacle R corresponds to the at least partial overlap of a single inductor 2 by said receptacle R, as for example illustrated in FIG. figure 1 .
  • control means of the induction hob 1 signal visual way and / or sound that the position of the container R is unsuitable for distributing the power delivered to several inductors 2 of a heating zone Z1 associated with the container R.
  • a heating zone Z1 detected by the positioning of a container R above the set of inductors 2 of an induction cooktop 1 comprising only a single inductor 2 is considered as a position unsuitable container R.
  • the step of operating the inductors 2 is implemented if the covering of a subset of at least one inductor 2 by said container R corresponds to the at least partial overlap of at least two inductors 2 by said container R, as for example illustrated at figures 2 and 3 .
  • control means of the induction hob 1 operate the inductors 2 covered by the container R and detected as belonging to the heating zone Z2 since the position of the container R is adapted to distribute the power delivered to several inductors 2 of a heating zone Z2 associated with the container R.
  • This adapted position of the container R relative to the set of inductors 2 of the hob 1 is not necessarily the optimal position so as to deliver the maximum power available but the position to increase the power delivered so as to reduce the heating or cooking time of the contents of the container R.
  • a heating zone Z2 detected by the positioning of a container R above the set of inductors 2 of an induction cooktop 1 comprising two or more inductors 2 is considered a suitable position of the R.
  • the positioning of a container R above the set of inductors 2 of an induction cooktop 1 so as to create a heating zone Z2 having a plurality of inductors 2 covered by said container R allows to increase the power delivered to said heating zone Z2.
  • the heating power delivered to a heating zone of the induction hob 1 is dependent on the position of a container R with respect to the subset of at least one inductor 2 and in particular the number of inductors covered. by said container R.
  • the heating power delivered to a heating zone of the induction hob 1 is also dependent on the recovery rate of the inductors 2 covered by the container R.
  • control means of the induction hob 1 communicate periodically or continuously with the detection means of a container R so as to determine the number of inductors 2 covered by one or more containers R.
  • control means determine a number of inductors 2 covered at least partially by a container equal to one, as illustrated for example in FIG. figure 1 , then these control means put into operation the visual and / or audible warning indicating that the position of a container R is unsuitable.
  • control means determine a number of inductors 2 covered at least partially by a container greater than or equal to two, as illustrated for example in FIGS. figures 2 and 3 , then these control means stop the visual and / or audible warning indicating that the position of a container R is unsuitable.
  • control means of the induction hob 1 make it possible to signal to the user that if a container is placed above the set of inductors 2 of the induction hob 1 in a inappropriate position, as illustrated for example in the figure 1 , then a more optimal position exists, as illustrated in figures 2 and 3 .
  • control means of the induction hob 1 can detect a new heating zone Z1, Z2 associated with a container R following a movement of the container R, to determine if the new position of this container R is adapted or unsuitable with respect to a set of inductors 2 of the induction hob 1, then to indicate if this new position of this container R is unsuitable or possibly adapted, and automatically.
  • the warning of an unsuitable position of the container R disappears as soon as the result of the step of determining the positioning fit of said container R corresponds to a position adapted from said container R with respect to said subset of a at least one inductor 2 at least partially covered by said receptacle R.
  • control means of the induction hob 1 are adapted to implement the positioning optimization method of at least one container R of a determined size, where the ratio between the covering surface of a container R and the surface of an inductor 2 is in a range between 1.5 and 2.
  • a value of 75 ° C was of the order of two times greater for a so-called unsuitable position of the container R, such as illustrated by the heating zone Z1 of the figure 1 , relative to a so-called adapted position of the container R, as illustrated by the heating zone Z2 of the figure 2 , and of the order of three times greater for a so-called unsuitable position of the container R, as illustrated by the heating zone Z1 of the figure 1 , relative to a so-called adapted position of the container R, as illustrated by the heating zone Z2 of the figure 3 .
  • the method for optimizing the positioning of at least one container R in accordance with the invention makes it possible to solve this disadvantage of heating time as a function of the position of the container R disposed above a set of inductors 2.
  • an induction cooktop 1 warning of the unsuitable positioning of the container R so as to move it to a suitable position.
  • the method optimizes the positioning of at least one container disposed above a set of inductors of an induction hob so as to distribute the power delivered to several inductors belonging to at least one heating zone assigned to a container and to minimize the cooking time of the contents of a container.
  • an induction hob allows on the one hand to signal to the user that the position of a container disposed above a set of inductors of a hob induction circuit is unsuitable for distributing a power delivered to several inductors of the heating zone allocated to said receptacle when said receptacle covers a number of inductors less than a predetermined number of inductors; and secondly to operate the inductors of the heating zone assigned to said container when the position of said container is adapted to a subset of several inductors at least partially covered by said container.
  • the present invention is neither limited in the number of inductors distributed in a two-dimensional grid in the hob of the induction hob, nor in the number of heating zones that can be defined on the hob. from the position of a container covering a subset of inductors.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Cookers (AREA)
EP12152249.4A 2011-01-26 2012-01-24 Verfahren zur Optimierung der Positionierung mindestens eines Behälters auf einer Gruppe von Induktoren eines Induktionskochfeldes, und zugehöriges Induktionskochfeld Active EP2482613B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1100235A FR2970837B1 (fr) 2011-01-26 2011-01-26 Procede d'optimisation de positionnement d'au moins un recipient dispose au-dessus d'un ensemble d'inducteurs d'une table de cuisson a induction et table de cuisson a induction associee

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Publication Number Publication Date
EP2482613A1 true EP2482613A1 (de) 2012-08-01
EP2482613B1 EP2482613B1 (de) 2020-10-21

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EP12152249.4A Active EP2482613B1 (de) 2011-01-26 2012-01-24 Verfahren zur Optimierung der Positionierung mindestens eines Behälters auf einer Gruppe von Induktoren eines Induktionskochfeldes, und zugehöriges Induktionskochfeld

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EP (1) EP2482613B1 (de)
ES (1) ES2834099T3 (de)
FR (1) FR2970837B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2706816A1 (de) * 2012-09-05 2014-03-12 E.G.O. ELEKTRO-GERÄTEBAU GmbH Bedienverfahren für ein Kochfeld und Kochfeld
CN104604329A (zh) * 2012-10-25 2015-05-06 松下知识产权经营株式会社 感应加热装置
EP2708818A3 (de) * 2012-09-13 2015-09-16 BSH Hausgeräte GmbH Kochfeldvorrichtung
EP2914060A4 (de) * 2012-10-25 2015-11-04 Panasonic Ip Man Co Ltd Induktionsheizvorrichtung
WO2016010491A1 (en) * 2014-07-15 2016-01-21 Arcelik Anonim Şirketi System and method enabling modification of cookware positioning in an induction heating cooker
WO2022143247A1 (zh) * 2020-12-29 2022-07-07 佛山市顺德区美的电热电器制造有限公司 电磁加热设备及其加热火力控制方法与装置、存储介质

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2703728B2 (de) 2012-09-03 2023-11-08 BSH Hausgeräte GmbH Kochfeldvorrichtung

Citations (6)

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Publication number Priority date Publication date Assignee Title
FR2863039A1 (fr) 2003-11-27 2005-06-03 Brandt Ind Procede de chauffage d'un recipient pose sur une table de cuisson a moyens de chauffage associe a des inducteurs
EP1610590A1 (de) * 2004-06-25 2005-12-28 Brandt Industries Kochmuldeneinheit mit mehreren Kochstellen
DE202007013494U1 (de) * 2007-09-26 2007-11-22 V - Zug Ag Kochherd mit Positionsdetektor für Kochgefäße
EP2192820A1 (de) 2008-12-01 2010-06-02 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld mit einer Vielzahl von in einem Raster angeordneten Heizelementen
WO2010118943A1 (de) * 2009-04-17 2010-10-21 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld mit einer detektionsanordnung und verfahren zum betreiben eines kochfelds
EP2416621A1 (de) * 2010-08-05 2012-02-08 Samsung Electronics Co., Ltd. Induktionskochvorrichtung und Steuerungsverfahren dafür

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2863039A1 (fr) 2003-11-27 2005-06-03 Brandt Ind Procede de chauffage d'un recipient pose sur une table de cuisson a moyens de chauffage associe a des inducteurs
EP1610590A1 (de) * 2004-06-25 2005-12-28 Brandt Industries Kochmuldeneinheit mit mehreren Kochstellen
DE202007013494U1 (de) * 2007-09-26 2007-11-22 V - Zug Ag Kochherd mit Positionsdetektor für Kochgefäße
EP2192820A1 (de) 2008-12-01 2010-06-02 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld mit einer Vielzahl von in einem Raster angeordneten Heizelementen
WO2010118943A1 (de) * 2009-04-17 2010-10-21 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld mit einer detektionsanordnung und verfahren zum betreiben eines kochfelds
EP2416621A1 (de) * 2010-08-05 2012-02-08 Samsung Electronics Co., Ltd. Induktionskochvorrichtung und Steuerungsverfahren dafür

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2706816A1 (de) * 2012-09-05 2014-03-12 E.G.O. ELEKTRO-GERÄTEBAU GmbH Bedienverfahren für ein Kochfeld und Kochfeld
EP2708818A3 (de) * 2012-09-13 2015-09-16 BSH Hausgeräte GmbH Kochfeldvorrichtung
CN104604329A (zh) * 2012-10-25 2015-05-06 松下知识产权经营株式会社 感应加热装置
EP2914060A4 (de) * 2012-10-25 2015-11-04 Panasonic Ip Man Co Ltd Induktionsheizvorrichtung
EP2914058A4 (de) * 2012-10-25 2015-11-04 Panasonic Ip Man Co Ltd Induktionsheizvorrichtung
WO2016010491A1 (en) * 2014-07-15 2016-01-21 Arcelik Anonim Şirketi System and method enabling modification of cookware positioning in an induction heating cooker
WO2022143247A1 (zh) * 2020-12-29 2022-07-07 佛山市顺德区美的电热电器制造有限公司 电磁加热设备及其加热火力控制方法与装置、存储介质

Also Published As

Publication number Publication date
FR2970837A1 (fr) 2012-07-27
ES2834099T3 (es) 2021-06-16
FR2970837B1 (fr) 2014-09-05
EP2482613B1 (de) 2020-10-21

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