EP3484242A1 - Dispositif formant appareil de cuisson inductif - Google Patents

Dispositif formant appareil de cuisson inductif Download PDF

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Publication number
EP3484242A1
EP3484242A1 EP18200586.8A EP18200586A EP3484242A1 EP 3484242 A1 EP3484242 A1 EP 3484242A1 EP 18200586 A EP18200586 A EP 18200586A EP 3484242 A1 EP3484242 A1 EP 3484242A1
Authority
EP
European Patent Office
Prior art keywords
time interval
induction heating
phase shift
heating elements
operating state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18200586.8A
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German (de)
English (en)
Other versions
EP3484242B1 (fr
Inventor
Andres Abellanas Sanchez
Claudio Carretero Chamarro
Jorge Gaston Puig
Pablo Jesus Hernandez Blasco
Ignacio Lope Moratilla
Antonio Muñoz Fumanal
Ramon Peinado Adiego
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3484242A1 publication Critical patent/EP3484242A1/fr
Application granted granted Critical
Publication of EP3484242B1 publication Critical patent/EP3484242B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them

Definitions

  • the invention relates to an induction cooking appliance apparatus according to the preamble of claim 1 and to a method for operating an induction cooking appliance apparatus according to the preamble of claim 11.
  • An induction cooking appliance device with two induction heating elements, which form a common heating zone, is already known from the prior art.
  • a control unit operates the induction heating elements in an operating state with the same frequency and with a defined phase shift, which remains unchanged during an entire cooking process.
  • the object of the invention is in particular to provide a generic device with improved properties in terms of heating.
  • the object is achieved by the features of claims 1 and 11, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.
  • the invention is based on an induction cooking appliance device, in particular of an induction hob appliance, with at least two induction heating elements and with at least one control unit which operates the induction heating elements in at least one operating state with a first phase shift in at least a first time interval.
  • control unit operate the induction heating elements in at least one second time interval different from the first time interval with a second phase shift different from the first phase shift.
  • the embodiment according to the invention makes it possible, in particular, to achieve advantageous and / or optimal and / or symmetrical heating of, in particular, cooked cooking utensils.
  • an asymmetrical heating in the first time interval can be compensated by a complementary asymmetrical heating in the second time interval, whereby an optimally symmetrical heating can be provided, in particular when the time intervals are superimposed.
  • a better heat distribution can be made possible than in the case of an embodiment with a substantially unchanged phase shift.
  • a distribution of an available power to the induction heating elements can be optimized in particular by the different phase shift in the time intervals, whereby in particular an advantageous heat distribution can be made possible.
  • an “induction cooking appliance device”, in particular an “induction cooking field device”, should in particular be understood as meaning at least one part, in particular a subassembly, of an induction cooking appliance, in particular an induction hob.
  • the induction cooking appliance apparatus could be configured as an induction baking oven apparatus and / or an induction grill apparatus.
  • the Indu Vietnamese chipsgarellavorraum is designed as an induction hob device.
  • an “induction heating element” in this context should be understood to mean, in particular, an element which is preferably provided to provide an electromagnetic alternating field, in particular with a frequency between 20 kHz and 100 kHz, which is provided in particular in an erected, in particular metallic, preferably ferromagnetic cooking dish bottom by eddy current induction and / or Ummagnetleiters bine be converted into heat.
  • control unit should in particular be understood to mean an electronic unit which is preferably at least partially integrated in a control and / or regulating unit of an induction cooking appliance and which is preferably provided to control and / or at least control the induction heating elements and / or at least one heating frequency unit to regulate.
  • the control unit preferably comprises a computing unit and, in particular in addition to the computing unit, a memory unit with a control and / or regulating program stored therein, which is intended to be executed by the computing unit.
  • the induction cooking appliance device has, in particular, at least one heating frequency unit which, in particular in the operating state, supplies energy to at least one of the induction heating elements.
  • a "heating frequency unit” is to be understood in particular as an electrical unit which generates an oscillating electrical signal, preferably with a frequency of at least 1 kHz, in particular of at least 10 kHz, advantageously of at least 20 kHz, and in particular of not more than 100 kHz for an induction heating unit.
  • the heating frequency unit is provided to provide a maximum electrical power of at least 1000 W, in particular at least 2000 W, advantageously at least 3000 W and preferably at least 3500 W, required by at least one of the induction heating elements.
  • the heating frequency unit has in particular at least one inverter, which preferably has at least two, preferably in series, bidirectional unipolar switches which are formed in particular by a transistor and a diode connected in parallel, and particularly advantageously at least one respective damping capacitor connected in parallel with the bidirectional unipolar switches, which is in particular formed by at least one capacitor.
  • a voltage tap of the heating frequency unit is arranged in particular at a common contact point of two bidirectional unipolar switches.
  • the induction cooking appliance device has at least two heating frequency units, which in particular are assigned to the at least two induction heating elements.
  • a first heating frequency unit is associated with a first induction heating element of the induction heating elements and a second heating frequency unit that is different from the first heating frequency unit is assigned to a second induction heating element of the induction heating elements that is different from the first induction heating element.
  • a heating frequency unit is "assigned" to an induction heating element, it should be understood that the heating frequency unit supplies the induction heating element with energy in at least one operating state in which the induction heating element in particular heats cooking cooking equipment and provides an alternating electromagnetic field.
  • control unit controls at least one heating frequency unit assigned to the induction heating element and supplies energy to the induction heating element by means of the heating frequency unit.
  • the induction heating elements could be arranged in at least one mounted state in a full bridge circuit.
  • the induction heating elements are arranged in at least one mounted state in a half-bridge circuit.
  • a "phase shift" between two induction heating elements should in particular be understood to mean that a vibration, in particular a sinusoidal oscillation, a voltage applied to a first induction heating element of the induction heating elements and a vibration, in particular a sinusoidal oscillation, of a voltage applied to a second induction heating element of the induction heating elements are spaced zero crossings respectively.
  • the phase shift assumes an amount which corresponds to a distance of the zero crossings of the voltages.
  • the first time interval and the second time interval are, in particular, temporally overlapping-free and in particular have at most one time in common, which could be, in particular, a transition and / or change between the time intervals.
  • power delivered by the induction heaters in the first time interval and / or power delivered by the induction heaters in the second time interval advantageously power output by the induction heaters in the first time interval and power output by the induction heaters in the second time interval is unequal Zero and in particular greater than zero.
  • control unit could, for example, periodically repeat the first time interval and the second time interval and, in particular, dispense with a third time interval.
  • a sum of a duration of the first time interval and a duration of the second time interval could result in a period duration.
  • control unit preferably operates the induction heating elements in at least one third time interval different from the first time interval and from the second time interval with a third phase shift different from the first phase shift and the second phase shift.
  • control unit in the operating state, could provide a number of x time intervals, and in particular operate the induction heating elements with a number of y different phase shifts, wherein the parameters x and y could in particular be integers greater than three and in particular, the parameter x could be greater than or equal to the parameter y.
  • the parameters x and y could in particular be integers greater than three and in particular, the parameter x could be greater than or equal to the parameter y.
  • control unit in the operating state of at least one of the time intervals in particular the first time interval and / or the second time interval and / or the third time interval, repeated periodically.
  • control unit repeats in the operating state at least one of the time intervals should be understood in particular that the control unit in the operating state of at least one of the time intervals at regular, predefined intervals and in particular repeated in the same order and / or performs.
  • a power output from the induction heaters in the third time interval could be zero.
  • the control unit could in particular deactivate the induction heating elements in the third time interval.
  • a sum of a duration of the first time interval and / or a duration of the second time interval and / or a duration of the third time interval results in a period duration. This can in particular over a longer period a uniform and / or advantageous heat distribution are made possible, which in particular optimal cooking results can be achieved.
  • At least one of the time intervals is an integer multiple of half a period of a mains voltage.
  • at least one of the time intervals could have a value of 2 times, in particular of 3 times, advantageously of 4 times, particularly advantageously of 6 times and preferably of 8 times half the period of the mains voltage.
  • at least one of the time intervals, in particular the first time interval and / or the second time interval and / or the third time interval could be a fraction of half a period of a mains voltage, wherein the fractional part could be determined, for example, by a number of different time intervals. This can be achieved in particular a high efficiency and / or a high operator comfort.
  • the control unit could change the phase shift in a range of the mains voltage, which in particular could be temporally spaced from a zero crossing of the mains voltage.
  • the control unit could change a phase shift, in particular in at least one time interval, and determine this distance in particular by means of a quotient of half the period of the mains voltage and an integer number n greater than zero.
  • the control unit preferably changes the phase shift in a region of a zero crossing of the mains voltage.
  • the control unit could change a phase shift, in particular in at least a time interval of n times half the period of the mains voltage, where n could in particular be an integer number greater than zero.
  • a "range" of a zero crossing of the mains voltage is to be understood in particular as a time segment which comprises the zero crossing of the mains voltage and which in particular has at least one limit, in particular a beginning and / or an end, which does not exceed time by 25%, in particular a maximum of 15%, advantageously by a maximum of 10%, particularly advantageously by a maximum of 5%, preferably by a maximum of 5% and more preferably by a maximum of 2% of a duration of half the period of the mains voltage is spaced from the zero crossing of the mains voltage.
  • the control unit in the operating state, the induction heating elements in the time intervals, in particular in the first time interval and in the second time interval, with at least two mutually complementary phase shifts operates, which are in particular different from each other.
  • complementary phase shifts in particular phase shifts should be understood, which can be determined with knowledge of a first phase shift of the phase shifts from the first phase shift and / or which determines the control unit in the operating state with knowledge of a first phase shift of the phase shifts from the first phase shift.
  • the control unit in the operating state, could operate the induction heating elements in the first time interval with a first phase shift and in the second time interval with a second phase shift, the control unit in the operating state, in particular by adding a constant phase angle, such as 30 ° and / or 45 ° and / or 90 ° and / or 180 °, could determine the first phase shift.
  • a constant phase angle such as 30 ° and / or 45 ° and / or 90 ° and / or 180 °
  • a constant phase difference between the two phase shifts of 180 ° could be averaged in particular a possibly defective contact of the induction heating.
  • a simple and / or rapid contacting of the induction heating elements could thereby be made possible, as a result of which, in particular, low costs can be achieved.
  • the control unit preferably determines the second phase shift from a difference of 360 ° and / or 0 ° and the first phase shift.
  • a symmetrical and / or optimized heating of cooking utensils and / or a particularly advantageous and / or even heat distribution can be made possible.
  • a heat distribution between at least two induction heating elements, which are in particular arranged adjacent to one another and in particular form a common heating zone can be optimized and / or chosen as desired.
  • a power of a respective heating frequency unit which is assigned to a respective one of the induction heating elements, averaged over the time intervals are compensated, whereby in particular all Schufrequenzüen provide the same power and / or claimed the same, which in particular distributes wear at least substantially evenly and / or premature failure of one of the heating frequency units can be avoided.
  • a good compromise between optimal heat distribution and balanced utilization of the heating frequency units can be made possible, in particular while maintaining the highest possible flexibility.
  • control unit could operate a first induction heating element of the induction heating elements with a first frequency and a second induction heating element of the induction heating elements different from the first induction heating element with a second frequency, which could in particular be an integer multiple of the first frequency.
  • the integer multiple could assume a value of at least two and in particular assume non-zero and / or not equal to one.
  • control unit preferably operates the induction heating elements with at least substantially and in particular with exactly the same frequency.
  • the same frequency is to be understood in particular at least two frequencies in which a quotient of a lower frequency of the frequencies and a higher frequency of the frequencies has a value of at least 0.9, in particular of at least 0.95, advantageously of at least 0.97, more preferably at least 0.98, and preferably at least 0.99.
  • intermodulation drone can be avoided.
  • the induction heating elements form a common heating zone in the operating state and in particular heat the same cooking utensil.
  • the induction heating elements could be arranged concentrically with one another on a main extension plane of at least one of the induction heating elements.
  • a first induction heating element of the induction heating elements could, when viewed perpendicular to a main extension plane of at least one of the heating elements, be surrounded concentrically by a second induction heating element of the induction heating elements.
  • the induction heating elements could be arranged directly adjacent to one another on a main extension plane of at least one of the induction heating elements, in particular in an installation position a particular single cooking utensil be arranged above the induction heating and at a vertical extension to a main extension plane of at least one of Induction heating in particular could extend over the induction heating.
  • the induction heating elements could be part of a matrix of induction heating elements which can be replaced by at least three, in particular by at least four, advantageously by at least five, particularly advantageously by at least eight, preferably by at least twelve and more preferably could be formed by a plurality of induction heating elements.
  • the induction heating elements could be arranged in a row, which in particular could be formed as part of the matrix or as a separate row.
  • the cooking utensils which heat the induction heating elements, in particular in the operating state extend in particular at least to a large extent over an extension and / or over an areal extent of the induction heating elements.
  • at least to a large extent should be understood in particular to a proportion, in particular a mass fraction and / or volume fraction, of at least 70%, in particular at least 80%, advantageously at least 90% and preferably at least 95%.
  • a symmetrical heating of heating zones can be made possible, which are formed by at least two induction heating elements, whereby in particular even large cooking utensils can be optimally heated.
  • the invention is further based on a method for operating an induction cooking appliance device, with at least two induction heating elements which are operated in at least one operating state in at least a first time interval with a first phase shift.
  • a particularly optimal heating of cooking utensils and / or a particularly advantageous heat distribution can be achieved, in particular, if the induction heating elements are operated in the operating state in at least one second time interval different from the first time interval with a second phase shift different from the first phase shift.
  • the induction cooking appliance apparatus should not be limited to the above-described application and embodiment.
  • the induction cooking appliance apparatus may have a different number than a number of individual items, components, and units referred to herein.
  • Fig. 1 shows an induction cooker 28 with a Indu Vietnamesesgaréevorraum 10.
  • the induction cooker 28 could be formed, for example, as an induction oven and / or as an induction cooker and / or as a Indu Vietnamesesgarofen.
  • the induction cooking appliance 28 is designed as an induction hob.
  • the Indu Vietnamesesgaréevorraum 10 is formed in the present embodiment as an induction hob device.
  • the induction cooking appliance apparatus 10 has a cooking appliance plate 30.
  • the cooking appliance plate 30 forms part of an appliance outer casing, in particular of the induction cooking appliance 28.
  • the cooking appliance plate 30 forms in an installed position an operator facing part of the device outer housing.
  • the cooking appliance plate 30 could be designed, for example, as a front plate and / or cover plate of the device outer housing, in particular of an induction cooking appliance 28 designed as an induction baking oven and / or as an induction cooker and / or as an induction cooking oven.
  • the cooking appliance plate 30 is formed as a hob plate.
  • the cooking appliance plate 30 is provided for setting up cooking utensils 34 (cf. Fig. 1 ).
  • the induction cooking appliance apparatus 10 has an operator interface 32 for input and / or selection of operating parameters (cf. Fig. 1 ), for example a heating power and / or a heating power density and / or a heating zone 26.
  • the operator interface 32 is provided for outputting a value of an operating parameter to an operator.
  • the operator interface 32 could optically and / or acoustically output the value of the operating parameter to an operator.
  • the induction cooking appliance apparatus 10 has a control unit 14.
  • the control unit 14 is provided to execute actions and / or to change settings in dependence on operating parameters entered by means of the operator interface 32.
  • the Indutationsgaréevorraum 10 has in the present embodiment, six induction heating 12 on. Of multiply existing objects, only one is provided with a reference numeral in the figures. In each case two of the induction heating elements 12 form a common heating zone 26 in an operating state. In the following, only the two induction heating elements 12 will be described, which form a common heating zone 26 in the operating state. By way of example, the induction heating elements 12 which are arranged adjacent to one another are described below. A description for induction heating elements 12, which are arranged in a different form relative to each other and form a common heating zone 26 for heating a particular single cooking utensils 34, takes place analogously.
  • the induction heating elements 12 are provided to heat cooking utensils 34 placed on the cooking appliance plate 30 above the induction heating elements 12. In the operating state, the induction heating elements 12 supply energy to the cooking utensils 34 installed.
  • the control unit 14 controls in the operating state an energy supply to the induction heating elements 12. In an installed position, the induction heating elements 12 are arranged below the cooking appliance plate 30.
  • the induction cooking appliance apparatus 10 has a supply unit 36 (cf. Fig. 2 ), which supplies the induction heating elements 12 with energy in the operating state, in particular as a function of activation by the control unit 14.
  • the supply unit 36 has a heating frequency unit 38 per induction heating element 12.
  • Each heating frequency unit 38 is assigned to one of the induction heating elements 12 and, in the operating state, in particular provides a particularly high-frequency alternating current to the supply of the induction heating element 12.
  • Each heating frequency unit 38 has an inverter.
  • the induction heating elements 12 are each arranged in a half-bridge circuit, as is widely known in the prior art. Therefore, a circuit of the induction heating elements 12 will not be further described below.
  • the control unit 14 operates the induction heating elements 12 in a first time interval 16 with a first phase shift 40 (cf. Fig. 3 and 4 ).
  • the first time interval 16 is an integer multiple of half a period duration 46 of a mains voltage 24.
  • the first time interval 16 is half the period duration 46 of the network voltage 24.
  • the control unit 14 operates the induction heating elements 12 in a second time interval 18 different from the first time interval 16 with a second phase shift 42 different from the first phase shift 40.
  • the second time interval 18 is an integer multiple of half a period duration 46 of a mains voltage 24 In the present exemplary embodiment, the second time interval 18 is half the period duration 46 of the mains voltage 24.
  • the second time interval 18 connects directly to the first time interval 16.
  • the control unit 14 repeats the first time interval 16 and the second time interval 18 periodically in the operating state.
  • a transition between the time intervals 16, 18 is in a range of a zero crossing 22 of the mains voltage 24.
  • the control unit 14 changes the phase shift 40, 42 in the region of a zero crossing 22 of the mains voltage 24.
  • the control unit 14 operates in the operating state, the induction heating elements 12 with substantially the same frequency (see. Fig. 3 ). In the operating state, the control unit 14 operates the induction heating elements 12 in the time intervals 16, 18 with two mutually complementary phase shifts 40, 42. The control unit 14 determines the second phase shift 42 from a difference of 360 ° and the first phase shift 40 in the operating state.
  • the control unit 14 operates the induction heating elements 12, for example in the first time interval 16 with a first phase shift 40 of substantially 90 °.
  • the control unit 14 operates the induction heating elements 12 in the second time interval 18 with a second phase shift 42 of substantially 270 °, which a second phase shift 42 of substantially -90 ° corresponds.
  • the induction heating elements 12 are operated in the first time interval 16 with a first phase shift 40.
  • the induction heating elements 12 are operated in the operating state in a second time interval 18 different from the first time interval 16 with a second phase shift 42 different from the first phase shift 40.
  • the control unit 14 operates the induction heating elements 12 in a first time interval 16 with a first phase shift 40 and in a second time interval 18 different from the first time interval 16 with a second phase shift 42 different from the first phase shift 40.
  • the control unit 14 operates in the Operating state, the induction heating elements 12 in one of the first time interval 16 and the second time interval 18 different third time interval 20 with a different from the first phase shift 40 and the second phase shift 42 third phase shift 44th
  • the third time interval 20 is an integer multiple of half a period duration 46 of a network voltage 24.
  • Each of the time intervals 16, 18, 20 is an integer multiple of half a period duration 46 of a network voltage 24.
  • each of the time intervals 16, 18, 20 is half the period duration 46 of the mains voltage 24.
  • the second time interval 18 connects directly to the first time interval 16.
  • the third time interval 20 connects directly to the second time interval 18.
  • the control unit 14 repeats the first time interval 16 and the second time interval 18 and the third time interval 20 periodically in the operating state.
  • control unit 14 operates the induction heating elements 12 in a first time interval 16 with a first phase shift 40 and in a second time interval 18 different from the first time interval 16 with a second phase shift 42 different from the first phase shift 40.
  • the control unit 14 deactivates in FIG Operating state, the induction heating elements 12 in one of the first time interval 16 and the second time interval 18 different third time interval 48th
  • the third time interval 48 is an integer multiple of half a period duration 46 of a network voltage 24.
  • Each of the time intervals 16, 18, 48 is an integer multiple of half a period duration 46 of a network voltage 24.
  • each of the time intervals 16, 18, 48 is half the period duration 46 of the mains voltage 24.
  • the second time interval 18 connects directly to the first time interval 16.
  • the third time interval 48 connects directly to the second time interval 18.
  • the control unit 14 repeats the first time interval 16 and the second time interval 18 and the third time interval 48 periodically in the operating state.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Electric Stoves And Ranges (AREA)
EP18200586.8A 2017-11-08 2018-10-16 Dispositif formant appareil de cuisson inductif Active EP3484242B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201731304A ES2716422A1 (es) 2017-11-08 2017-11-08 Dispositivo de aparato de cocción por inducción.

Publications (2)

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EP3484242A1 true EP3484242A1 (fr) 2019-05-15
EP3484242B1 EP3484242B1 (fr) 2021-07-21

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ES (2) ES2716422A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021115871A1 (fr) * 2019-12-13 2021-06-17 BSH Hausgeräte GmbH Dispositif à induction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007080553A (ja) * 2005-09-12 2007-03-29 Matsushita Electric Ind Co Ltd 誘導加熱調理器
EP2445307A1 (fr) * 2010-10-21 2012-04-25 FagorBrandt SAS Procédé de contrôle de signaux de commande périodiques, notamment pour une table de cuisson à induction
DE102012220324A1 (de) * 2011-12-05 2013-06-06 BSH Bosch und Siemens Hausgeräte GmbH Induktionsheizvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4909968B2 (ja) * 2008-09-29 2012-04-04 日立アプライアンス株式会社 電磁誘導加熱装置
DE102008042512A1 (de) * 2008-09-30 2010-04-01 BSH Bosch und Siemens Hausgeräte GmbH Kochfeld und Verfahren zum Betreiben eines Kochfelds
US9554425B2 (en) * 2011-12-06 2017-01-24 Panasonic Intellectual Property Management Co., Ltd. Induction heating device
DE102012209385A1 (de) * 2012-06-04 2013-12-05 Zf Friedrichshafen Ag Verfahren und Vorrichtung zum Steuern eines Heizgeräts und Heizgerät

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007080553A (ja) * 2005-09-12 2007-03-29 Matsushita Electric Ind Co Ltd 誘導加熱調理器
EP2445307A1 (fr) * 2010-10-21 2012-04-25 FagorBrandt SAS Procédé de contrôle de signaux de commande périodiques, notamment pour une table de cuisson à induction
DE102012220324A1 (de) * 2011-12-05 2013-06-06 BSH Bosch und Siemens Hausgeräte GmbH Induktionsheizvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021115871A1 (fr) * 2019-12-13 2021-06-17 BSH Hausgeräte GmbH Dispositif à induction

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ES2716422A1 (es) 2019-06-12
ES2886592T3 (es) 2021-12-20
EP3484242B1 (fr) 2021-07-21

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