EP3560276B1 - Cooking appliance apparatus - Google Patents

Cooking appliance apparatus Download PDF

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Publication number
EP3560276B1
EP3560276B1 EP17829287.6A EP17829287A EP3560276B1 EP 3560276 B1 EP3560276 B1 EP 3560276B1 EP 17829287 A EP17829287 A EP 17829287A EP 3560276 B1 EP3560276 B1 EP 3560276B1
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EP
European Patent Office
Prior art keywords
power
heating element
cooking appliance
heating
output power
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.)
Active
Application number
EP17829287.6A
Other languages
German (de)
French (fr)
Other versions
EP3560276A1 (en
Inventor
Juan Jose Galindo Perez
Sergio Llorente Gil
Carlos Obon Abadia
Jose Manuel Palacios Gasós
Enrique Javier Perez Visa
Edgar Jorge RAMIREZ LABOREO
Fernando Sanz Serrano
Rebeca SORIA RUIZ
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
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Publication date
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Publication of EP3560276A1 publication Critical patent/EP3560276A1/en
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Publication of EP3560276B1 publication Critical patent/EP3560276B1/en
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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00Details of electric heating devices
    • H05B1/02Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227Applications
    • H05B1/0252Domestic applications
    • H05B1/0258For cooking
    • H05B1/0261For cooking of food
    • H05B1/0263Ovens
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/06Arrangement or mounting of electric heating elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/08Arrangement or mounting of control or safety devices
    • F24C7/082Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F24C7/085Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on baking ovens
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/06Control, e.g. of temperature, of power
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2213/00Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/07Heating plates with temperature control means

Definitions

  • the invention is based on a cooking appliance device according to the preamble of claim 1.
  • Cooking devices such as ovens and / or microwaves, with at least two heating elements, which are operated together in at least one operating state, are known from the prior art.
  • the heating elements are usually operated with their respective nominal power and are connected, for example, to different phases of a power grid. In order to reduce the heating power of the heating elements, the heating elements are operated in a pulsed manner.
  • US 2013/213951 A1 discloses a cooking appliance device according to the preamble of claim 1.
  • the object of the invention is in particular to provide a generic cooking appliance device with improved properties with regard to flexibility.
  • the object is achieved by the characterizing features of claim 1, while advantageous configurations and developments of the invention can be found in the subclaims.
  • the invention is based on a cooking appliance device, in particular an oven device and advantageously an induction oven device, with at least one first heating element, with at least one second heating element, in particular formed separately from the first heating element, and with a control unit which is provided for heating a cooking space to operate the first heating element and the second heating element together and in particular simultaneously in at least one operating state.
  • the cooking appliance device has at least one power distribution unit, which is provided in the operating state to convert a total power provided, in particular by an energy source, such as a power grid and / or a household network, into at least one, advantageously to divide the first output power and at least one, advantageously constant, second output power and to provide the first output power to the first heating element and the second output power to the second heating element, in particular to supply it, the cooking appliance device having a plurality of converter units which are connected downstream of the power distribution unit and are provided for to adapt one of the output powers of the power distribution unit to the type of heating elements and to supply it to a respective heating element, and wherein the heating elements are of different types.
  • an energy source such as a power grid and / or a household network
  • Provided is to be understood in particular as specifically programmed, designed and / or equipped.
  • the fact that an object is provided for a specific function is to be understood in particular to mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.
  • a “cooking device device” should be understood to mean in particular at least a part, in particular a subassembly, of a cooking device, in particular a grill device, a microwave and / or preferably an oven.
  • the cooking appliance is advantageously designed as an induction cooking appliance, in particular as an induction grill appliance, as an induction microwave and / or particularly preferably as an induction oven.
  • the cooking device device comprises in particular at least one device housing, which in particular delimits and / or defines the cooking space, and at least one device closure element, which is provided to cover, in particular to close, the cooking space.
  • the heating elements are advantageously arranged at a distance from one another and, in particular, are provided for heating the cooking space, in particular individually and / or together.
  • a "power distribution unit” is to be understood as meaning, in particular, a unit arranged in particular between the energy source and the heating elements, which is provided in particular to distribute the total power, advantageously variably, to the heating elements and, in particular, to provide an output power to at least one of the heating elements , in particular to feed.
  • the power distribution unit is advantageously connected directly to the energy source, in particular the power network and / or the household network and advantageously at least one phase of the electricity network and / or the household network.
  • a “total power” should be understood to mean, in particular, a maximum available power, which is advantageously approximately 3600 W per phase.
  • An “output power” of the power distribution unit should also be understood to mean, in particular, a power which is provided in at least one operating state at at least one output of the power distribution unit.
  • the Output power is supplied to at least one of the heating elements.
  • the output power is preferably different from a pulsed power.
  • a “control unit” is to be understood as meaning, in particular, an electrical and / or electronic unit which is preferably integrated in the device housing and is provided in particular to control and / or control operation of the cooking device device, in particular at least by means of activating the power distribution unit to regulate.
  • 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 in particular provided to be executed by the computing unit.
  • control unit is intended to operate a heating element
  • the control unit is intended to control the power distribution unit and, by means of the power distribution unit, provide the heating element with heating power, in particular the output power, and / or electrical energy to feed.
  • heating of the cooking space that is advantageously flexible and / or individually adapted to the needs of a user can be achieved, whereby an at least substantially uniform, gentle and / or individual heating of the food can be advantageously achieved.
  • a high level of operating convenience can be achieved in particular.
  • an efficiency in particular a power efficiency, an energy efficiency, an installation space efficiency, a component efficiency and / or a cost efficiency, can advantageously be improved.
  • a large number of different operating modes can be provided which, for example, allow advantageously quick preheating, advantageously quick cooking and / or advantageously quick cleaning.
  • the cooking appliance device particularly preferably comprises at least one third heating element, in particular formed separately from the first heating element and the second heating element, the control unit being provided to heat the cooking space in at least one additional operating state, the first heating element, the second heating element and the third heating element to operate jointly and in particular simultaneously and the power distribution unit is provided to convert the total power into at least one, in particular constant, first in the additional operating state Output power, at least one, in particular constant, second output power and at least one, in particular constant, third output power and to provide, in particular supply, the first output power to the first heating element, the second output power to the second heating element and the third output power to the third heating element.
  • the cooking appliance device can also include at least three, at least four and / or at least five heating elements, which are operated by the control unit for heating the cooking space, preferably jointly and in particular simultaneously, in particular by controlling the power distribution unit. In particular, this can further increase flexibility.
  • a total output power of the power distribution unit is at least essentially the same as the total power, as a result of which a particularly energy-efficient cooking appliance device can be provided.
  • a possible occurrence of flicker can advantageously be avoided.
  • a “total output power” is to be understood in particular as a sum of the output powers, in particular all of the output powers, of the power distribution unit at a specific point in time.
  • the power distribution unit is advantageously provided to provide, in particular to supply, each of the output powers to at least one and advantageously exactly one heating element.
  • the total output power of the power distribution unit is "at least substantially equal" to the total output is to be understood in this context in particular as meaning that the total output deviates from the total output by a maximum of 5%, preferably by a maximum of 3% and particularly preferably by a maximum of 1%.
  • the total output power of the power distribution unit in this case corresponds at least essentially to a power consumption of the power distribution unit.
  • the power distribution unit can be connected to exactly one phase of a power network and / or a household network, so that the total power is a maximum of 3600 W and / or an electrical current is a maximum of 16 A.
  • the power distribution unit can also be connected to at least two phases and / or three phases of a power network and / or a household network.
  • the first output power is less than a maximum rated power of the first heating element and / or the second output power is less than a maximum rated power of the second heating element, in particular at least in the operating state.
  • the first output power is advantageously less than a maximum rated power of the first heating element
  • the second output power is less than a maximum rated power of the second heating element
  • / or the third output power is less than a maximum rated power of the third heating element.
  • a “nominal power” of a heating element is intended to mean in particular one that is specified and / or standardized, in particular by a manufacturer.
  • advantageously maximum power, in particular heating power, of the heating element are understood for which the heating element is structurally designed. In this way, particularly flexible and, at the same time, efficient heating can be achieved.
  • the power distribution unit is provided to variably set a value of the first output power and / or the second output power, in particular at least in the operating state and in particular in a power interval between 0% of the total power and 100% of the Overall performance.
  • the power distribution unit is advantageously provided to variably set a value of the first output power, the second output power and / or the third output power in the additional operating state, in particular in a power interval between 0% of the total output and 100% of the total output.
  • the power distribution unit is preferably provided to provide each of the heating elements with at least four, advantageously at least six, preferably at least eight and particularly preferably at least ten, different values and / or output powers, which are preferably each lower than a maximum rated power of a respective heating element. In this way, particularly flexible heating of the cooking space can be achieved.
  • a particularly compact, flexible and / or cost-efficient power distribution unit can be achieved in particular when the power distribution unit is used as a in particular spatially limited, structural unit is formed and is advantageously arranged on exactly one carrier element, particularly advantageously exactly one printed circuit board, and / or has exactly one housing surrounding, in particular, functional components of the power distribution unit.
  • the heating elements are of different types.
  • the first heating element and the second heating element are designed differently. In this way, an advantageously flexible power distribution can be achieved, in particular also when using different heating elements.
  • the heating element designed as an induction heating element is intended to generate an electromagnetic alternating field, in particular with a frequency between 17 kHz and 150 kHz and advantageously between 20 kHz and 100 kHz, and in particular by means of the electromagnetic alternating field in at least one, in particular at least partially metallic , preferably ferromagnetic object to be heated to generate heat, in particular by eddy current induction and / or magnetic reversal effects.
  • the object to be heated could, for example, be cooking utensils located and / or introduced into the cooking space and / or at least one muffle wall of the device housing that delimits the cooking space in particular. In this way, in particular, advantageously efficient heating of the cooking space can be achieved.
  • At least one of the heating elements is designed as a resistance heating element.
  • the heating element designed as a resistance heating element has in particular at least one electrical resistance, which is traversed by electrical current in at least one application state, and is provided in particular to convert energy into heat by means of the electrical resistance and in particular to supply it to at least one object to be heated.
  • the object to be heated could, for example, be cooking utensils located and / or introduced into the cooking space and / or at least one muffle wall of the device housing that delimits the cooking space in particular.
  • the heating element is particularly preferably designed as a ring heating element and is arranged in particular in a region of a fan unit, advantageously a fan wheel, of the cooking appliance device.
  • the power distribution unit be provided in at least one further operating state to convert the total power into, in particular precisely, an output power and, in particular precisely, to provide it, in particular to supply it to one of the heating elements.
  • the control unit is provided to operate precisely one of the heating elements, in particular any one of the heating elements, preferably the first heating element, the second heating element or the third heating element, in the further operating state for heating the cooking space.
  • the output power is preferably equal to a maximum nominal power of a heating element operated in the further operating state. In particular, this can further increase flexibility and / or user-friendliness.
  • the cooking appliance device is not intended to be restricted to the application and embodiment described above.
  • the cooking appliance device can have a number of individual elements, components and units that differs from a number of individual elements, components and units mentioned herein in order to fulfill a mode of operation described herein.
  • Fig. 1 Fig. 16 shows an embodiment which is not an embodiment of the invention but is useful for understanding the invention.
  • the embodiment of Fig. 2 is one embodiment of the invention.
  • Fig. 1 shows a cooking appliance 30a embodied as an oven by way of example in a schematic representation.
  • the cooking device 30a is designed as an induction cooking device, in the present case in particular as an induction oven.
  • a cooking device could also be designed as a conventional cooking device.
  • a cooking appliance could be designed as a microwave, for example.
  • the cooking appliance 30a comprises a cooking appliance device.
  • the cooking device device comprises a device housing 32a.
  • the device housing 32a defines a, in particular contiguous, cooking space 18a.
  • the device housing 32a comprises an outer housing and a muffle 34a which is arranged inside the outer housing and delimits the cooking space 18a.
  • the cooking device device comprises a device locking element (not shown).
  • the device locking element is designed as a device flap.
  • the device locking element is provided to lock the cooking space 18a.
  • a device locking element could also be designed as a device door.
  • the cooking appliance device further comprises a plurality of heating elements 10a, 12a, 14a.
  • the cooking appliance device comprises, for example, three heating elements 10a, 12a, 14a.
  • the heating elements 10a, 12a, 14a are integrated into the device housing 32a.
  • the heating elements 10a, 12a, 14a are formed separately from one another.
  • the heating elements 10a, 12a, 14a are arranged at a distance from one another.
  • the heating elements 10a, 12a, 14a are provided for heating the cooking space 18a, in particular individually and / or together.
  • a first heating element 10a of the heating elements 10a, 12a, 14a is designed as an induction heating element.
  • the first heating element 10a is designed as a heating coil.
  • the first heating element 10a is arranged outside of the cooking space 18a.
  • the first heating element 10a is arranged flat on a muffle wall of the device housing 32a.
  • the first heating element 10a has a first maximum rated power.
  • a second heating element 12a of the heating elements 10a, 12a, 14a is designed as a resistance heating element. Accordingly, the first heating element 10a and the second heating element 12a are of a different type.
  • the second heating element 12a is designed as a ring heating element.
  • the second heating element 12a is arranged in a region of a fan unit 36a of the cooking appliance device.
  • the second heating element 12a has a second maximum rated power.
  • a third heating element 14a of the heating elements 10a, 12a, 14a is designed as an induction heating element.
  • the third heating element 14a is designed as a heating coil.
  • the third heating element 14a is at least essentially identical to the first heating element 10a.
  • the third heating element 14a is arranged outside of the cooking space 18a.
  • the third heating element 14a is arranged flat on a further muffle wall of the device housing 32a, in particular opposite the muffle wall.
  • the third heating element 14a has a third maximum rated power.
  • a cooking appliance device could also have a number of heating elements other than three, such as precisely two and / or at least four and / or at least five heating elements.
  • at least one heating element could be designed as a microwave element.
  • the cooking appliance device also comprises a control unit 16a.
  • the control unit 16a is integrated into the device housing 32a.
  • the control unit 16a is provided to control and / or regulate an operation of the cooking device 30a and / or the cooking device device.
  • the control unit 16a is provided at least to control the heating elements 10a, 12a, 14a.
  • the control unit 16a comprises a memory unit with an operating program stored therein and a computing unit which is provided to execute the operating program.
  • the control unit 16a is provided to operate precisely one of the heating elements 10a, 12a, 14a in at least one first operating state for heating the cooking space 18a.
  • the control unit 16a is provided to operate the heating elements 10a, 12a, 14a individually in the first operating state.
  • the control unit 16a is for this purpose provided to operate the first heating element 10a, the second heating element 12a or the third heating element 14a in the first operating state.
  • the control unit 16a is provided to operate at least two of the heating elements 10a, 12a, 14a jointly and in particular simultaneously in at least one second operating state for heating the cooking space 18a.
  • the control unit 16a is provided, for example, to operate the first heating element 10a and the second heating element 12a together and in particular in the same way in the second operating state.
  • the control unit 16a can also be provided to operate the first heating element 10a and the third heating element 14a and / or the second heating element 12a and the third heating element 14a together and in particular simultaneously.
  • the control unit 16a is provided to operate all heating elements 10a, 12a, 14a jointly and in particular simultaneously in at least one third operating state for heating the cooking space 18a.
  • a first operating state and / or a third operating state could also be dispensed with.
  • the cooking appliance device comprises a power distribution unit 20a.
  • the power distribution unit 20a is designed as a structural unit.
  • the power distribution unit 20a is operatively connected to an energy source 38a.
  • the power distribution unit 20a is, in the present case in particular directly, connected to the energy source 38a, in the present case in particular a power network and / or a household network.
  • the energy source 38a is provided to provide a total power 22a of at least 3600 W.
  • the power distribution unit 20a also has an operative connection with each of the heating elements 10a, 12a, 14a.
  • the power distribution unit 20a is electrically connected to each of the heating elements 10a, 12a, 14a.
  • the power distribution unit 20a is accordingly arranged between the energy source 38a and the heating elements 10a, 12a, 14a.
  • the power distribution unit 20a has an operative connection with the control unit 16a.
  • the control unit 16a is provided for controlling the power distribution unit 20a.
  • the power distribution unit 20a is provided to distribute the total power 22a to the heating elements 10a, 12a, 14a and to supply an output power 24a, 26a, 28a to at least one of the heating elements 10a, 12a, 14a.
  • a total output power, in particular a sum of all output powers 24a, 26a, 28a, of the power distribution unit 20a in every operating state is equal to the total power 22a, whereby a particularly high efficiency can be achieved in particular.
  • P. T ⁇ i P. i
  • P T corresponds to the total power 22a, while P i describes one of the output powers 24a, 26a, 28a.
  • the power distribution unit 20a is provided to variably distribute the total power 22a to the heating elements 10a, 12a, 14a.
  • the power distribution unit 20a is provided to variably set a value of at least one of the output powers 24a, 26a, 28a, in particular in a power interval between 0% of the total power 22a and 100% of the total power 22a.
  • the power distribution unit 20a is provided to convert the total power 22a into exactly one output power 24a, 26a, 28a and to provide it to a heating element 10a, 12a, 14a of the heating elements 10a, 12a, 14a operated in the first operating state.
  • the precisely one output power 24a, 26a, 28a is equal to the total power 22a.
  • the precisely one output power 24a, 26a, 28a also advantageously corresponds to a maximum nominal power of the heating element 10a, 12a, 14a operated in the first operating state.
  • P T P i
  • the power distribution unit 20a is provided to split the total power 22a into two output powers 24a, 26a, 28a and to provide two heating elements 10a, 12a, 14a of the heating elements 10a, 12a, 14a operated in the second operating state.
  • a sum of the output powers 24a, 26a, 28a is equal to the total power 22a.
  • the output powers 24a, 26a, 28a in this case are less than a maximum nominal power of the heating elements 10a, 12a, 14a operated in the second operating state.
  • the power distribution unit 20a is provided in this case to variably set a value of one of the output powers 24a, 26a, 28a, in particular in a power interval between 0% of the total power 22a and 100% of the total power 22a, while the other value automatically changes through the total power 22a results.
  • the power distribution unit 20a is provided, for example, in the second operating state to split the total power 22a into a first output power 24a and a second output power 26a and to provide the first output power 24a to the first heating element 10a and the second output power 26a to the second heating element 12a.
  • P. T P. 1 + P. 2
  • the power distribution unit 20a is provided to divide the total power 22a into three output powers 24a, 26a, 28a and to provide all heating elements 10a, 12a, 14a operated in the third operating state.
  • a sum of the output powers 24a, 26a, 28a is equal to the total power 22a.
  • the output powers 24a, 26a, 28a in this case are less than a maximum nominal power of the heating elements 10a, 12a, 14a operated in the third operating state.
  • the power distribution unit 20a is provided in this case to variably set a value of two output powers 24a, 26a, 28a, in particular in a power interval between 0% of the total power 22a and 100% of the total power 22a, while the last value automatically changes through the total power 22a results.
  • the power distribution unit 20a is provided in the third operating state to split the total power 22a into a first output power 24a, a second output power 26a and a third output power 28a and the first heating element 10a the first Output power 24a, the second heating element 12a to provide the second output power 26a and the third heating element 14a to provide the third output power 28a.
  • P. T P. 1 + P. 2 + P. 3
  • P 1 0.2 * P T
  • P 2 0.1 * P T
  • P 3 0.7 * P T.
  • any other desired values can also be selected for P 1 , P 2 and P 3. This makes it possible to provide an advantageously flexible cooking appliance device with a large number of different operating modes which, for example, allow advantageously quick preheating, advantageously quick cooking and / or advantageously quick cleaning.
  • the cooking appliance device comprises a plurality of converter units 40b, 42b, 44b.
  • a number of converter units 40b, 42b, 44b is adapted to a number of different heating elements 10b, 12b, 14b and / or to a number of heating elements 10b, 12b, 14b.
  • the converter units 40b, 42b, 44b are connected downstream of a power distribution unit 20b.
  • the converter units 40b, 42b, 44b are designed separately from the power distribution unit 20b.
  • the converter units 40b, 42b, 44b are arranged between the power distribution unit 20b and the heating elements 10b, 12b, 14b. At least two of the converter units 40b, 42b, 44b are designed differently.
  • the converter units 40b, 42b, 44b are each provided to adapt an output power of the power distribution unit 20b to a type of the heating elements 10b, 12b, 14b and to supply it to a respective heating element 10b, 12b, 14b.
  • the power distribution unit can include the converter units in this case.
  • FIG. 3 A detailed view of the power distribution unit 20b and the converter units 40b, 42b, 44b is shown Figure 3 .
  • the power distribution unit 20b is provided to convert a total power 22b provided by an energy source 38b, in particular in the form of an alternating voltage, into a direct voltage and to provide it to the converter units 40b, 42b, 44b.
  • a first converter unit 40b of the converter units 40b, 42b, 44b is assigned to a first heating element 10b of the heating elements 10b, 12b, 14b.
  • the first converter unit 40b comprises at least one inverter, so that a heating output of the first heating element 10b is in particular dependent on a switching frequency of the inverter.
  • a second converter unit 42b of the converter units 40b, 42b, 44b is assigned to a second heating element 12b of the heating elements 10b, 12b, 14b.
  • the second converter unit 42b comprises at least one DC voltage converter, advantageously a quasi-resonant voltage converter, so that a heating power of the second heating element 12b is in particular dependent on an amplitude of an output voltage of the DC voltage converter.
  • a third converter unit 44b of the converter units 40b, 42b, 44b is assigned to a third heating element 14b of the heating elements 10b, 12b, 14b.
  • the third converter unit 44b comprises at least one further inverter, so that a heating output of the third heating element 14b is in particular dependent on a switching frequency of the further inverter.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Food Science & Technology (AREA)
  • Electric Stoves And Ranges (AREA)

Description

Die Erfindung geht aus von einer Gargerätevorrichtung nach dem Oberbegriff des Anspruchs 1.The invention is based on a cooking appliance device according to the preamble of claim 1.

Aus dem Stand der Technik sind Gargeräte, wie beispielsweise Backöfen und/oder Mikrowellen, mit zumindest zwei Heizelementen bekannt, welche in zumindest einem Betriebszustand gemeinsam betrieben werden. Die Heizelemente werden dabei in der Regel mit ihrer jeweiligen Nennleistung betrieben und sind beispielsweise an unterschiedlichen Phasen eines Stromnetzes angeschlossen. Zur Reduzierung einer Heizleistung der Heizelemente werden die Heizelemente dabei gepulst betrieben.Cooking devices, such as ovens and / or microwaves, with at least two heating elements, which are operated together in at least one operating state, are known from the prior art. The heating elements are usually operated with their respective nominal power and are connected, for example, to different phases of a power grid. In order to reduce the heating power of the heating elements, the heating elements are operated in a pulsed manner.

US 2013/213951 A1 offenbart eine Gargerätevorrichtung gemäß der Präambel von Anspruch 1. US 2013/213951 A1 discloses a cooking appliance device according to the preamble of claim 1.

Die Aufgabe der Erfindung besteht insbesondere darin, eine gattungsgemäße Gargerätevorrichtung mit verbesserten Eigenschaften hinsichtlich einer Flexibilität bereitzustellen. Die Aufgabe wird durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst, während vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung den Unteransprüchen entnommen werden können.The object of the invention is in particular to provide a generic cooking appliance device with improved properties with regard to flexibility. The object is achieved by the characterizing features of claim 1, while advantageous configurations and developments of the invention can be found in the subclaims.

Die Erfindung geht aus von einer Gargerätevorrichtung, insbesondere einer Backofenvorrichtung und vorteilhaft einer Induktionsbackofenvorrichtung, mit zumindest einem ersten Heizelement, mit zumindest einem, insbesondere von dem ersten Heizelement getrennt ausgebildeten, zweiten Heizelement und mit einer Steuereinheit, welche dazu vorgesehen ist, zur Erhitzung eines Garraums in zumindest einem Betriebszustand das erste Heizelement und das zweite Heizelement gemeinsam und insbesondere gleichzeitig zu betreiben.The invention is based on a cooking appliance device, in particular an oven device and advantageously an induction oven device, with at least one first heating element, with at least one second heating element, in particular formed separately from the first heating element, and with a control unit which is provided for heating a cooking space to operate the first heating element and the second heating element together and in particular simultaneously in at least one operating state.

Es wird vorgeschlagen, dass die Gargerätevorrichtung wenigstens eine Leistungsverteilereinheit aufweist, welche dazu vorgesehen ist, in dem Betriebszustand eine, insbesondere von einer Energiequelle, wie beispielsweise einem Stromnetz und/oder einem Haushaltsnetz, bereitgestellte, Gesamtleistung in zumindest eine, vorteilhaft konstante, erste Ausgangsleistung und zumindest eine, vorteilhaft konstante, zweite Ausgangsleistung aufzuteilen und dem ersten Heizelement die erste Ausgangsleistung und dem zweiten Heizelement die zweite Ausgangsleistung bereitzustellen, insbesondere zuzuführen, wobei die Gargerätevorrichtung mehrere Wandlereinheiten aufweist, welche der Leistungsverteilungseinheit nachgeschalten und dazu vorgesehen sind, eine der Ausgangsleistungen der Leistungsverteilungseinheit an den Typ der Heizelemente anzupassen und einem jeweiligen Heizelement zuzuführen, und wobei die Heizelemente unterschiedlichen Typs sind. Unter "vorgesehen" soll insbesondere speziell programmiert, ausgelegt und/oder ausgestattet verstanden werden. Darunter, dass ein Objekt zu einer bestimmten Funktion vorgesehen ist, soll insbesondere verstanden werden, dass das Objekt diese bestimmte Funktion in zumindest einem Anwendungs- und/oder Betriebszustand erfüllt und/oder ausführt.It is proposed that the cooking appliance device has at least one power distribution unit, which is provided in the operating state to convert a total power provided, in particular by an energy source, such as a power grid and / or a household network, into at least one, advantageously to divide the first output power and at least one, advantageously constant, second output power and to provide the first output power to the first heating element and the second output power to the second heating element, in particular to supply it, the cooking appliance device having a plurality of converter units which are connected downstream of the power distribution unit and are provided for to adapt one of the output powers of the power distribution unit to the type of heating elements and to supply it to a respective heating element, and wherein the heating elements are of different types. “Provided” is to be understood in particular as specifically programmed, designed and / or equipped. The fact that an object is provided for a specific function is to be understood in particular to mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.

Unter einer "Gargerätevorrichtung" soll in diesem Zusammenhang insbesondere zumindest ein Teil, insbesondere eine Unterbaugruppe, eines Gargeräts, insbesondere eines Grillgeräts, einer Mikrowelle und/oder vorzugsweise eines Backofens, verstanden werden. Vorteilhaft ist das Gargerät dabei als Induktionsgargerät, insbesondere als Induktionsgrillgerät, als Induktionsmikrowelle und/oder besonders bevorzugt als Induktionsbackofen, ausgebildet. Zudem umfasst die Gargerätevorrichtung insbesondere zumindest ein Gerätegehäuse, welches insbesondere den Garraum begrenzt und/oder definiert, und wenigstens ein Geräteverschlusselement, welches dazu vorgesehen ist, den Garraum abzudecken, insbesondere zu verschließen. Ferner sind die Heizelemente vorteilhaft beabstandet voneinander angeordnet und insbesondere zu einer Erhitzung des Garraums vorgesehen, insbesondere einzeln und/oder gemeinsam.In this context, a “cooking device device” should be understood to mean in particular at least a part, in particular a subassembly, of a cooking device, in particular a grill device, a microwave and / or preferably an oven. The cooking appliance is advantageously designed as an induction cooking appliance, in particular as an induction grill appliance, as an induction microwave and / or particularly preferably as an induction oven. In addition, the cooking device device comprises in particular at least one device housing, which in particular delimits and / or defines the cooking space, and at least one device closure element, which is provided to cover, in particular to close, the cooking space. Furthermore, the heating elements are advantageously arranged at a distance from one another and, in particular, are provided for heating the cooking space, in particular individually and / or together.

Ferner soll unter einer "Leistungsverteilereinheit" insbesondere eine, insbesondere zwischen der Energiequelle und den Heizelementen angeordnete, Einheit verstanden werden, welche insbesondere dazu vorgesehen ist, die Gesamtleistung, vorteilhaft variabel, auf die Heizelemente zu verteilen und dabei insbesondere zumindest einem der Heizelemente eine Ausgangsleistung bereitzustellen, insbesondere zuzuführen. Dazu ist die Leistungsverteilereinheit vorteilhaft direkt an die Energiequelle, insbesondere das Stromnetz und/oder das Haushaltsnetz und vorteilhaft wenigstens eine Phase des Stromnetzes und/oder des Haushaltsnetzes, angeschlossen. Ferner soll unter einer "Gesamtleistung" insbesondere eine maximal zur Verfügung stehende Leistung verstanden werden, welche vorteilhaft etwa 3600 W pro Phase beträgt. Unter einer "Ausgangsleistung" der Leistungsverteilereinheit soll ferner insbesondere eine Leistung verstanden werden, welche in zumindest einem Betriebszustand an zumindest einem Ausgang der Leistungsverteilereinheit bereitgestellt wird. Insbesondere wird die Ausgangsleistung dabei zumindest einem der Heizelemente zugeführt. Vorzugweise ist die Ausgangsleistung von einer gepulsten Leistung verschieden. Darüber hinaus soll unter einer "Steuereinheit" insbesondere eine elektrische und/oder elektronische Einheit verstanden werden, die vorzugsweise in das Gerätegehäuse integriert ist und insbesondere dazu vorgesehen ist, einen Betrieb der Gargerätevorrichtung, insbesondere zumindest mittels einer Ansteuerung der Leistungsverteilereinheit, zu steuern und/oder zu regeln. Vorzugsweise umfasst die Steuereinheit dazu eine Recheneinheit und insbesondere zusätzlich zu der Recheneinheit eine Speichereinheit mit einem darin gespeicherten Steuer- und/oder Regelprogramm, das insbesondere dazu vorgesehen ist, von der Recheneinheit ausgeführt zu werden. Unter der Wendung, dass "die Steuereinheit dazu vorgesehen ist, ein Heizelement zu betreiben" soll insbesondere verstanden werden, dass die Steuereinheit dazu vorgesehen ist, die Leistungsverteilereinheit anzusteuern und mittels der Leistungsverteilereinheit dem Heizelement eine Heizleistung, insbesondere die Ausgangsleistung, und/oder elektrische Energie zuzuführen. Durch diese Ausgestaltung kann eine Gargerätevorrichtung mit verbesserten Eigenschaften hinsichtlich einer Flexibilität bereitgestellt werden. Insbesondere kann dabei eine vorteilhaft flexible und/oder individuell an die Bedürfnisse eines Nutzers angepasste Erhitzung des Garraums erreicht werden, wodurch vorteilhaft eine zumindest im Wesentlichen gleichmäßige, eine schonende und/oder eine individuelle Erhitzung von Gargut erzielt werden kann. Zudem kann insbesondere ein hoher Bedienkomfort erreicht werden. Darüber hinaus kann eine Effizienz, insbesondere eine Leistungseffizienz, eine Energieeffizienz, eine Bauraumeffizienz, eine Bauteileeffizienz und/oder eine Kosteneffizienz, vorteilhaft verbessert werden. Zudem können eine Vielzahl unterschiedlicher Betriebsmodi bereitgestellt werden, welche beispielsweise ein vorteilhaft schnelles Vorheizen, ein vorteilhaft schnelles Garen und/oder eine vorteilhaft schnelle Reinigung erlauben.Furthermore, a "power distribution unit" is to be understood as meaning, in particular, a unit arranged in particular between the energy source and the heating elements, which is provided in particular to distribute the total power, advantageously variably, to the heating elements and, in particular, to provide an output power to at least one of the heating elements , in particular to feed. For this purpose, the power distribution unit is advantageously connected directly to the energy source, in particular the power network and / or the household network and advantageously at least one phase of the electricity network and / or the household network. Furthermore, a “total power” should be understood to mean, in particular, a maximum available power, which is advantageously approximately 3600 W per phase. An “output power” of the power distribution unit should also be understood to mean, in particular, a power which is provided in at least one operating state at at least one output of the power distribution unit. In particular, the Output power is supplied to at least one of the heating elements. The output power is preferably different from a pulsed power. In addition, a “control unit” is to be understood as meaning, in particular, an electrical and / or electronic unit which is preferably integrated in the device housing and is provided in particular to control and / or control operation of the cooking device device, in particular at least by means of activating the power distribution unit to regulate. For this purpose, 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 in particular provided to be executed by the computing unit. The phrase that "the control unit is intended to operate a heating element" should be understood in particular to mean that the control unit is intended to control the power distribution unit and, by means of the power distribution unit, provide the heating element with heating power, in particular the output power, and / or electrical energy to feed. With this configuration, a cooking appliance device with improved properties in terms of flexibility can be provided. In particular, heating of the cooking space that is advantageously flexible and / or individually adapted to the needs of a user can be achieved, whereby an at least substantially uniform, gentle and / or individual heating of the food can be advantageously achieved. In addition, a high level of operating convenience can be achieved in particular. In addition, an efficiency, in particular a power efficiency, an energy efficiency, an installation space efficiency, a component efficiency and / or a cost efficiency, can advantageously be improved. In addition, a large number of different operating modes can be provided which, for example, allow advantageously quick preheating, advantageously quick cooking and / or advantageously quick cleaning.

Besonders bevorzugt umfasst die Gargerätevorrichtung wenigstens ein, insbesondere von dem ersten Heizelement und dem zweiten Heizelement getrennt ausgebildetes, drittes Heizelement, wobei die Steuereinheit dazu vorgesehen ist, zur Erhitzung des Garraums in zumindest einem zusätzlichen Betriebszustand das erste Heizelement, das zweite Heizelement und das dritte Heizelement gemeinsam und insbesondere gleichzeitig zu betreiben und die Leistungsverteilereinheit dazu vorgesehen ist, in dem zusätzlichen Betriebszustand die Gesamtleistung in zumindest eine, insbesondere konstante, erste Ausgangsleistung, zumindest eine, insbesondere konstante, zweite Ausgangsleistung und zumindest eine, insbesondere konstante, dritte Ausgangsleistung aufzuteilen und dem ersten Heizelement die erste Ausgangsleistung, dem zweiten Heizelement die zweite Ausgangsleistung und dem dritten Heizelement die dritte Ausgangsleistung bereitzustellen, insbesondere zuzuführen. Insbesondere kann die Gargerätevorrichtung dabei auch zumindest drei, zumindest vier und/oder zumindest fünf Heizelemente umfassen, welche von der Steuereinheit zur Erhitzung des Garraums vorzugsweise gemeinsam und insbesondere gleichzeitig betrieben werden, insbesondere durch Ansteuerung der Leistungsverteilereinheit. Hierdurch kann insbesondere eine Flexibilität weiter erhöht werden.The cooking appliance device particularly preferably comprises at least one third heating element, in particular formed separately from the first heating element and the second heating element, the control unit being provided to heat the cooking space in at least one additional operating state, the first heating element, the second heating element and the third heating element to operate jointly and in particular simultaneously and the power distribution unit is provided to convert the total power into at least one, in particular constant, first in the additional operating state Output power, at least one, in particular constant, second output power and at least one, in particular constant, third output power and to provide, in particular supply, the first output power to the first heating element, the second output power to the second heating element and the third output power to the third heating element. In particular, the cooking appliance device can also include at least three, at least four and / or at least five heating elements, which are operated by the control unit for heating the cooking space, preferably jointly and in particular simultaneously, in particular by controlling the power distribution unit. In particular, this can further increase flexibility.

Vorzugsweise ist eine Gesamtausgangsleistung der Leistungsverteilereinheit, vorteilhaft in jedem Betriebszustand, zumindest im Wesentlichen gleich der Gesamtleistung, wodurch eine besonders energieeffiziente Gargerätevorrichtung bereitgestellt werden kann. Zudem kann ein mögliches Auftreten von Flicker vorteilhaft vermieden werden. Unter einer "Gesamtausgangsleistung" soll insbesondere eine Summe der Ausgangsleistungen, insbesondere sämtlicher Ausgangsleistungen, der Leistungsverteilereinheit zu einem bestimmten Zeitpunkt verstanden werden. Vorteilhaft ist die Leistungsverteilereinheit dabei dazu vorgesehen, jede der Ausgangsleistungen zumindest einem und vorteilhaft genau einem Heizelement bereitzustellen, insbesondere zuzuführen. Darunter, dass die Gesamtausgangsleistung der Leistungsverteilereinheit "zumindest im Wesentlichen gleich" der Gesamtleistung ist, soll in diesem Zusammenhang insbesondere verstanden werden, dass die Gesamtausgangsleistung um maximal 5 %, vorzugsweise um maximal 3 % und besonderes bevorzugt um maximal 1 % von der Gesamtleistung abweicht. Insbesondere entspricht die Gesamtausgangsleistung der Leistungsverteilereinheit in diesem Fall zumindest im Wesentlichen einer Leistungsaufnahme der Leistungsverteilereinheit.Preferably, a total output power of the power distribution unit, advantageously in every operating state, is at least essentially the same as the total power, as a result of which a particularly energy-efficient cooking appliance device can be provided. In addition, a possible occurrence of flicker can advantageously be avoided. A “total output power” is to be understood in particular as a sum of the output powers, in particular all of the output powers, of the power distribution unit at a specific point in time. The power distribution unit is advantageously provided to provide, in particular to supply, each of the output powers to at least one and advantageously exactly one heating element. The fact that the total output power of the power distribution unit is "at least substantially equal" to the total output is to be understood in this context in particular as meaning that the total output deviates from the total output by a maximum of 5%, preferably by a maximum of 3% and particularly preferably by a maximum of 1%. In particular, the total output power of the power distribution unit in this case corresponds at least essentially to a power consumption of the power distribution unit.

Beträgt die Gesamtleistung zumindest 3600 W, kann ein besonders schneller und/oder flexibler Betrieb der Gargerätevorrichtung erreicht werden. Insbesondere kann die Leistungsverteilereinheit dabei mit genau einer Phase eines Stromnetzes und/oder eines Haushaltsnetzes verbunden sein, sodass die Gesamtleistung maximal 3600 W und/oder ein elektrischer Strom maximal 16 A beträgt. Alternativ könnte eine Leistungsverteilereinheit in diesem Fall jedoch auch mit zumindest zwei Phasen und/oder drei Phasen eines Stromnetzes und/oder eines Haushaltsnetzes verbunden sein.If the total power is at least 3600 W, particularly fast and / or flexible operation of the cooking appliance device can be achieved. In particular, the power distribution unit can be connected to exactly one phase of a power network and / or a household network, so that the total power is a maximum of 3600 W and / or an electrical current is a maximum of 16 A. Alternatively, a In this case, however, the power distribution unit can also be connected to at least two phases and / or three phases of a power network and / or a household network.

Ferner wird vorgeschlagen, dass die erste Ausgangsleistung geringer ist als eine maximale Nennleistung des ersten Heizelements und/oder die zweite Ausgangsleistung geringer ist als eine maximale Nennleistung des zweiten Heizelements, insbesondere zumindest in dem Betriebszustand. Vorteilhaft ist in dem zusätzlichen Betriebszustand die erste Ausgangsleistung geringer als eine maximale Nennleistung des ersten Heizelements, die zweite Ausgangsleistung geringer als eine maximale Nennleistung des zweiten Heizelements und/oder die dritte Ausgangsleistung geringer als eine maximale Nennleistung des dritten Heizelements. Unter einer "Nennleistung" eines Heizelements soll dabei insbesondere eine, insbesondere von einem Hersteller, vorgegebene und/oder normierte. vorteilhaft maximale, Leistung, insbesondere Heizleistung, des Heizelements verstanden werden, für welche das Heizelement baulich ausgelegt ist. Hierdurch kann insbesondere eine besonders flexible und gleichzeitig effiziente Erhitzung erreicht werden.It is further proposed that the first output power is less than a maximum rated power of the first heating element and / or the second output power is less than a maximum rated power of the second heating element, in particular at least in the operating state. In the additional operating state, the first output power is advantageously less than a maximum rated power of the first heating element, the second output power is less than a maximum rated power of the second heating element and / or the third output power is less than a maximum rated power of the third heating element. A “nominal power” of a heating element is intended to mean in particular one that is specified and / or standardized, in particular by a manufacturer. advantageously maximum power, in particular heating power, of the heating element are understood for which the heating element is structurally designed. In this way, particularly flexible and, at the same time, efficient heating can be achieved.

In einer besonders bevorzugten Ausgestaltung der Erfindung wird vorgeschlagen, dass die Leistungsverteilereinheit dazu vorgesehen ist, einen Wert der ersten Ausgangsleistung und/oder der zweiten Ausgangsleistung variabel einzustellen, insbesondere zumindest in dem Betriebszustand und insbesondere in einem Leistungsintervall zwischen 0 % der Gesamtleistung und 100 % der Gesamtleistung. Vorteilhaft ist die Leistungsverteilereinheit dazu vorgesehen, in dem zusätzlichen Betriebszustand einen Wert der ersten Ausgangsleistung, der zweiten Ausgangsleistung und/oder der dritten Ausgangsleistung variabel einzustellen, insbesondere in einem Leistungsintervall zwischen 0 % der Gesamtleistung und 100 % der Gesamtleistung. Vorzugsweise ist die Leistungsverteilereinheit dabei dazu vorgesehen, jedem der Heizelemente zumindest vier, vorteilhaft zumindest sechs, vorzugsweise zumindest acht und besonders bevorzugt zumindest zehn, unterschiedliche Werte und/oder Ausgangsleistungen bereitzustellen, welche bevorzugt jeweils geringer als eine maximale Nennleistung eines jeweiligen Heizelements sind. Hierdurch kann insbesondere eine besonders flexible Erhitzung des Garraums erreicht werden.In a particularly preferred embodiment of the invention, it is proposed that the power distribution unit is provided to variably set a value of the first output power and / or the second output power, in particular at least in the operating state and in particular in a power interval between 0% of the total power and 100% of the Overall performance. The power distribution unit is advantageously provided to variably set a value of the first output power, the second output power and / or the third output power in the additional operating state, in particular in a power interval between 0% of the total output and 100% of the total output. The power distribution unit is preferably provided to provide each of the heating elements with at least four, advantageously at least six, preferably at least eight and particularly preferably at least ten, different values and / or output powers, which are preferably each lower than a maximum rated power of a respective heating element. In this way, particularly flexible heating of the cooking space can be achieved.

Eine besonders kompakte, flexible und/oder kosteneffiziente Leistungsverteilereinheit kann insbesondere dann erreicht werden, wenn die Leistungsverteilereinheit als eine, insbesondere räumlich begrenzte, bauliche Einheit ausgebildet ist und vorteilhaft auf genau einem Trägerelement, besonders vorteilhaft genau einer Leiterplatte, angeordnet ist und/oder genau ein, insbesondere Funktionsbauteile der Leistungsverteilereinheit umgebendes, Gehäuse aufweist.A particularly compact, flexible and / or cost-efficient power distribution unit can be achieved in particular when the power distribution unit is used as a in particular spatially limited, structural unit is formed and is advantageously arranged on exactly one carrier element, particularly advantageously exactly one printed circuit board, and / or has exactly one housing surrounding, in particular, functional components of the power distribution unit.

In der Erfindung wird vorgeschlagen, dass die Heizelemente unterschiedlichen Typs sind. Das erste Heizelement und das zweite Heizelement sind unterschiedlich ausgebildet. Hierdurch kann eine vorteilhaft flexible Leistungsverteilung, insbesondere auch bei der Verwendung unterschiedlicher Heizelemente, erreicht werden.In the invention it is proposed that the heating elements are of different types. The first heating element and the second heating element are designed differently. In this way, an advantageously flexible power distribution can be achieved, in particular also when using different heating elements.

In einer bevorzugten Ausgestaltung der Erfindung wird vorgeschlagen, dass zumindest eines der Heizelemente als Induktionsheizelement ausgebildet ist. Insbesondere ist das als Induktionsheizelement ausgebildete Heizelement dabei dazu vorgesehen, ein elektromagnetisches Wechselfeld, insbesondere mit einer Frequenz zwischen 17 kHz und 150 kHz und vorteilhaft zwischen 20 kHz und 100 kHz, zu erzeugen und insbesondere mittels des elektromagnetischen Wechselfelds in zumindest einem, insbesondere zumindest teilweise metallischen, vorzugsweise ferromagnetischen, zu beheizendem Objekt Wärme zu erzeugen, insbesondere durch Wirbelstrominduktion und/oder Ummagnetisierungseffekte. Das zu erhitzende Objekt könnte beispielsweise ein in dem Garraum befindliches und/oder eingebrachtes Gargeschirr sein und/oder zumindest eine, insbesondere den Garraum begrenzende, Muffelwandung des Gerätegehäuses. Hierdurch kann insbesondere eine vorteilhaft effiziente Erhitzung des Garraums erreicht werden.In a preferred embodiment of the invention it is proposed that at least one of the heating elements is designed as an induction heating element. In particular, the heating element designed as an induction heating element is intended to generate an electromagnetic alternating field, in particular with a frequency between 17 kHz and 150 kHz and advantageously between 20 kHz and 100 kHz, and in particular by means of the electromagnetic alternating field in at least one, in particular at least partially metallic , preferably ferromagnetic object to be heated to generate heat, in particular by eddy current induction and / or magnetic reversal effects. The object to be heated could, for example, be cooking utensils located and / or introduced into the cooking space and / or at least one muffle wall of the device housing that delimits the cooking space in particular. In this way, in particular, advantageously efficient heating of the cooking space can be achieved.

Ferner wird vorgeschlagen, dass zumindest eines der Heizelemente als Widerstandsheizelement ausgebildet ist. Das als Widerstandsheizelement ausgebildete Heizelement weist dabei insbesondere zumindest einen elektrischen Widerstand auf, welcher in wenigstens einem Anwendungszustand von elektrischem Strom durchflossen ist, und ist insbesondere dazu vorgesehen, mittels des elektrischen Widerstands Energie in Wärme umzuwandeln und insbesondere zumindest einem zu erhitzenden Objekt zuzuführen. Das zu erhitzende Objekt könnte beispielsweise ein in dem Garraum befindliches und/oder eingebrachtes Gargeschirr sein und/oder zumindest eine, insbesondere den Garraum begrenzende, Muffelwandung des Gerätegehäuses. Besonders bevorzugt ist das Heizelement in diesem Fall als ein Ringheizelement ausgebildet und insbesondere in einem Bereich einer Gebläseeinheit, vorteilhaft eines Gebläserads, der Gargerätevorrichtung angeordnet. Dadurch kann insbesondere in einem Vergleich zu einem Induktionsheizelement ein preiswertes Heizelement verwendet und damit geringe Kosten ermöglicht werden. Zudem kann eine vorteilhaft flexible Erhitzung des Garraums erreicht werden.It is also proposed that at least one of the heating elements is designed as a resistance heating element. The heating element designed as a resistance heating element has in particular at least one electrical resistance, which is traversed by electrical current in at least one application state, and is provided in particular to convert energy into heat by means of the electrical resistance and in particular to supply it to at least one object to be heated. The object to be heated could, for example, be cooking utensils located and / or introduced into the cooking space and / or at least one muffle wall of the device housing that delimits the cooking space in particular. In this case, the heating element is particularly preferably designed as a ring heating element and is arranged in particular in a region of a fan unit, advantageously a fan wheel, of the cooking appliance device. As a result, an inexpensive heating element can be used, in particular in comparison to an induction heating element, and thus low costs can be made possible. In addition, advantageously flexible heating of the cooking space can be achieved.

Gemäß einer besonders bevorzugten Ausgestaltung der Erfindung wird vorgeschlagen, dass die Leistungsverteilereinheit dazu vorgesehen ist, in zumindest einem weiteren Betriebszustand die Gesamtleistung in, insbesondere genau, eine Ausgangsleistung umzuwandeln und, insbesondere genau, einem der Heizelemente bereitzustellen, insbesondere zuzuführen. Insbesondere ist die Steuereinheit dazu vorgesehen, in dem weiteren Betriebszustand zur Erhitzung des Garraums genau eines der Heizelemente, insbesondere ein beliebiges der Heizelemente, bevorzugt das erste Heizelement, das zweite Heizelement oder das dritte Heizelement, zu betreiben. Bevorzugt ist die Ausgangsleistung in diesem Fall gleich einer maximalen Nennleistung eines in dem weiteren Betriebszustand betriebenen Heizelements. Hierdurch kann insbesondere eine Flexibilität und/oder eine Benutzerfreundlichkeit weiter erhöht werden.According to a particularly preferred embodiment of the invention, it is proposed that the power distribution unit be provided in at least one further operating state to convert the total power into, in particular precisely, an output power and, in particular precisely, to provide it, in particular to supply it to one of the heating elements. In particular, the control unit is provided to operate precisely one of the heating elements, in particular any one of the heating elements, preferably the first heating element, the second heating element or the third heating element, in the further operating state for heating the cooking space. In this case, the output power is preferably equal to a maximum nominal power of a heating element operated in the further operating state. In particular, this can further increase flexibility and / or user-friendliness.

Die Gargerätevorrichtung soll hierbei nicht auf die oben beschriebene Anwendung und Ausführungsform beschränkt sein. Insbesondere kann die Gargerätevorrichtung zu einer Erfüllung einer hierin beschriebenen Funktionsweise eine von einer hierin genannten Anzahl von einzelnen Elementen, Bauteilen und Einheiten abweichende Anzahl aufweisen.The cooking appliance device is not intended to be restricted to the application and embodiment described above. In particular, the cooking appliance device can have a number of individual elements, components and units that differs from a number of individual elements, components and units mentioned herein in order to fulfill a mode of operation described herein.

Weitere Vorteile ergeben sich aus der folgenden Zeichnungsbeschreibung. In der Zeichnung sind Ausführungsbeispiele dargestellt. Die Zeichnung, die Beschreibung und die Ansprüche enthalten zahlreiche Merkmale in Kombination. Der Fachmann wird die Merkmale zweckmäßigerweise auch einzeln betrachten und zu sinnvollen weiteren Kombinationen zusammenfassen.Further advantages emerge from the following description of the drawings. Exemplary embodiments are shown in the drawing. The drawing, the description and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into meaningful further combinations.

Es zeigen:

Fig. 1
ein beispielhaft als Backofen ausgebildetes Gargerät mit einer Gargerätevorrichtung in einer schematischen Darstellung,
Fig. 2
ein weiteres Ausführungsbeispiel eines Gargerätes mit einer Gargerätevorrichtung in einer schematischen Darstellung und
Fig. 3
ein Teil der Gargerätevorrichtung aus Figur 2 in einer Detaildarstellung.
Show it:
Fig. 1
an example of a cooking device designed as a baking oven with a cooking device device in a schematic representation,
Fig. 2
a further embodiment of a cooking device with a cooking device device in a schematic representation and
Fig. 3
part of the cooking appliance device Figure 2 in a detailed representation.

Fig. 1 zeigt ein Ausführungsbeispiel, das keine Ausführungsform der Erfindung ist, aber zum Verständnis der Erfindung nützlich ist. Das Ausführungsbeispiel von Fig. 2 ist eine Ausführungsform der Erfindung. Fig. 1 Fig. 16 shows an embodiment which is not an embodiment of the invention but is useful for understanding the invention. The embodiment of Fig. 2 is one embodiment of the invention.

Fig. 1 zeigt ein beispielhaft als Backofen ausgebildetes Gargerät 30a in einer schematischen Darstellung. Das Gargerät 30a ist als Induktionsgargerät, im vorliegenden Fall insbesondere als Induktionsbackofen, ausgebildet. Alternativ könnte ein Gargerät jedoch auch als herkömmliches Gargerät ausgebildet sein. Zudem könnte ein Gargerät beispielsweise als Mikrowelle ausgebildet sein. Fig. 1 shows a cooking appliance 30a embodied as an oven by way of example in a schematic representation. The cooking device 30a is designed as an induction cooking device, in the present case in particular as an induction oven. Alternatively, however, a cooking device could also be designed as a conventional cooking device. In addition, a cooking appliance could be designed as a microwave, for example.

Das Gargerät 30a umfasst eine Gargerätevorrichtung. Die Gargerätevorrichtung umfasst ein Gerätegehäuse 32a. Das Gerätegehäuse 32a definiert einen, insbesondere zusammenhängenden, Garraum 18a. Dazu umfasst das Gerätegehäuse 32a ein Außengehäuse sowie eine innerhalb des Außengehäuses angeordnete, den Garraum 18a begrenzende Muffel 34a. Zudem umfasst die Gargerätevorrichtung ein Geräteverschlusselement (nicht dargestellt). Das Geräteverschlusselement ist im vorliegenden Fall als Geräteklappe ausgebildet. Das Geräteverschlusselement ist dazu vorgesehen, den Garraum 18a zu verschließen. Alternativ könnte ein Geräteverschlusselement jedoch auch als Gerätetüre ausgebildet sein.The cooking appliance 30a comprises a cooking appliance device. The cooking device device comprises a device housing 32a. The device housing 32a defines a, in particular contiguous, cooking space 18a. For this purpose, the device housing 32a comprises an outer housing and a muffle 34a which is arranged inside the outer housing and delimits the cooking space 18a. In addition, the cooking device device comprises a device locking element (not shown). In the present case, the device locking element is designed as a device flap. The device locking element is provided to lock the cooking space 18a. Alternatively, however, a device locking element could also be designed as a device door.

Die Gargerätevorrichtung umfasst ferner mehrere Heizelemente 10a, 12a, 14a. Im vorliegenden Fall umfasst die Gargerätevorrichtung beispielhaft drei Heizelemente 10a, 12a, 14a. Die Heizelemente 10a, 12a, 14a sind in das Gerätegehäuse 32a integriert. Die Heizelemente 10a, 12a, 14a sind getrennt voneinander ausgebildet. Die Heizelemente 10a, 12a, 14a sind beabstandet voneinander angeordnet. Die Heizelemente 10a, 12a, 14a sind zu einer Erhitzung des Garraums 18a vorgesehen, insbesondere einzeln und/oder gemeinsam.The cooking appliance device further comprises a plurality of heating elements 10a, 12a, 14a. In the present case, the cooking appliance device comprises, for example, three heating elements 10a, 12a, 14a. The heating elements 10a, 12a, 14a are integrated into the device housing 32a. The heating elements 10a, 12a, 14a are formed separately from one another. The heating elements 10a, 12a, 14a are arranged at a distance from one another. The heating elements 10a, 12a, 14a are provided for heating the cooking space 18a, in particular individually and / or together.

Ein erstes Heizelement 10a der Heizelemente 10a, 12a, 14a ist als Induktionsheizelement ausgebildet. Das erste Heizelement 10a ist als Heizspule ausgebildet. Das erste Heizelement 10a ist außerhalb des Garraums 18a angeordnet. Das erste Heizelement 10a ist flächig an einer Muffelwandung des Gerätegehäuses 32a angeordnet. Das erste Heizelement 10a weist eine erste maximale Nennleistung auf.A first heating element 10a of the heating elements 10a, 12a, 14a is designed as an induction heating element. The first heating element 10a is designed as a heating coil. The first heating element 10a is arranged outside of the cooking space 18a. The first heating element 10a is arranged flat on a muffle wall of the device housing 32a. The first heating element 10a has a first maximum rated power.

Ein zweites Heizelement 12a der Heizelemente 10a, 12a, 14a ist als Widerstandsheizelement ausgebildet. Demzufolge sind das erste Heizelement 10a und das zweite Heizelement 12a von einem unterschiedlichen Typ. Das zweite Heizelement 12a ist als Ringheizelement ausgebildet. Das zweite Heizelement 12a ist in einem Bereich einer Gebläseeinheit 36a der Gargerätevorrichtung angeordnet. Das zweite Heizelement 12a weist eine zweite maximale Nennleistung auf.A second heating element 12a of the heating elements 10a, 12a, 14a is designed as a resistance heating element. Accordingly, the first heating element 10a and the second heating element 12a are of a different type. The second heating element 12a is designed as a ring heating element. The second heating element 12a is arranged in a region of a fan unit 36a of the cooking appliance device. The second heating element 12a has a second maximum rated power.

Ein drittes Heizelement 14a der Heizelemente 10a, 12a, 14a ist als Induktionsheizelement ausgebildet. Das dritte Heizelement 14a ist als Heizspule ausgebildet. Das dritte Heizelement 14a ist zumindest im Wesentlichen baugleich zu dem ersten Heizelement 10a. Das dritte Heizelement 14a ist außerhalb des Garraums 18a angeordnet. Das dritte Heizelement 14a ist flächig an einer, insbesondere der Muffelwandung gegenüberliegenden, weiteren Muffelwandung des Gerätegehäuses 32a angeordnet. Das dritte Heizelement 14a weist eine dritte maximale Nennleistung auf. Alternativ könnte eine Gargerätevorrichtung jedoch auch eine von drei abweichende Anzahl von Heizelementen aufweisen, wie beispielsweise genau zwei und/oder zumindest vier und/oder zumindest fünf Heizelemente. Ferner könnte wenigstens ein Heizelement als Mikrowellenelement ausgebildet sein.A third heating element 14a of the heating elements 10a, 12a, 14a is designed as an induction heating element. The third heating element 14a is designed as a heating coil. The third heating element 14a is at least essentially identical to the first heating element 10a. The third heating element 14a is arranged outside of the cooking space 18a. The third heating element 14a is arranged flat on a further muffle wall of the device housing 32a, in particular opposite the muffle wall. The third heating element 14a has a third maximum rated power. Alternatively, however, a cooking appliance device could also have a number of heating elements other than three, such as precisely two and / or at least four and / or at least five heating elements. Furthermore, at least one heating element could be designed as a microwave element.

Ferner umfasst die Gargerätevorrichtung eine Steuereinheit 16a. Die Steuereinheit 16a ist in das Gerätegehäuse 32a integriert. Die Steuereinheit 16a ist dazu vorgesehen, einen Betrieb des Gargeräts 30a und/oder der Gargerätevorrichtung zu steuern und/oder zu regeln. Im vorliegenden Fall ist die Steuereinheit 16a zumindest zu einer Ansteuerung der Heizelemente 10a, 12a, 14a vorgesehen. Dazu umfasst die Steuereinheit 16a eine Speichereinheit mit einem darin gespeicherten Betriebsprogramm und eine Recheneinheit, welche dazu vorgesehen ist, das Betriebsprogramm auszuführen.The cooking appliance device also comprises a control unit 16a. The control unit 16a is integrated into the device housing 32a. The control unit 16a is provided to control and / or regulate an operation of the cooking device 30a and / or the cooking device device. In the present case, the control unit 16a is provided at least to control the heating elements 10a, 12a, 14a. For this purpose, the control unit 16a comprises a memory unit with an operating program stored therein and a computing unit which is provided to execute the operating program.

Die Steuereinheit 16a ist dazu vorgesehen, in wenigstens einem ersten Betriebszustand zur Erhitzung des Garraums 18a genau eines der Heizelemente 10a, 12a, 14a zu betreiben. Die Steuereinheit 16a ist dazu vorgesehen, in dem ersten Betriebszustand die Heizelemente 10a, 12a, 14a einzeln zu betreiben. Die Steuereinheit 16a ist dazu vorgesehen, in dem ersten Betriebszustand das erste Heizelement 10a, das zweite Heizelement 12a oder das dritte Heizelement 14a zu betreiben.The control unit 16a is provided to operate precisely one of the heating elements 10a, 12a, 14a in at least one first operating state for heating the cooking space 18a. The control unit 16a is provided to operate the heating elements 10a, 12a, 14a individually in the first operating state. The control unit 16a is for this purpose provided to operate the first heating element 10a, the second heating element 12a or the third heating element 14a in the first operating state.

Die Steuereinheit 16a ist dazu vorgesehen, in wenigstens einem zweiten Betriebszustand zur Erhitzung des Garraums 18a zumindest zwei der Heizelemente 10a, 12a, 14a gemeinsam und insbesondere gleichzeitig zu betreiben. Im vorliegenden Fall ist die Steuereinheit 16a beispielhaft dazu vorgesehen, in dem zweiten Betriebszustand das erste Heizelement 10a und das zweite Heizelement 12a gemeinsam und insbesondere gleich zu betreiben. Alternativ oder zusätzlich kann die Steuereinheit 16a jedoch auch dazu vorgesehen sein, das erste Heizelement 10a und das dritte Heizelement 14a und/oder das zweite Heizelement 12a und das dritte Heizelement 14a gemeinsam und insbesondere gleichzeitig zu betreiben.The control unit 16a is provided to operate at least two of the heating elements 10a, 12a, 14a jointly and in particular simultaneously in at least one second operating state for heating the cooking space 18a. In the present case, the control unit 16a is provided, for example, to operate the first heating element 10a and the second heating element 12a together and in particular in the same way in the second operating state. Alternatively or additionally, however, the control unit 16a can also be provided to operate the first heating element 10a and the third heating element 14a and / or the second heating element 12a and the third heating element 14a together and in particular simultaneously.

Die Steuereinheit 16a ist dazu vorgesehen, in wenigstens einem dritten Betriebszustand zur Erhitzung des Garraums 18a sämtliche Heizelemente 10a, 12a, 14a gemeinsam und insbesondere gleichzeitig zu betreiben. Alternativ könnte auf einen ersten Betriebszustand und/oder einen dritten Betriebszustand jedoch auch verzichtet werden.The control unit 16a is provided to operate all heating elements 10a, 12a, 14a jointly and in particular simultaneously in at least one third operating state for heating the cooking space 18a. Alternatively, however, a first operating state and / or a third operating state could also be dispensed with.

Darüber hinaus umfasst die Gargerätevorrichtung eine Leistungsverteilereinheit 20a. Die Leistungsverteilereinheit 20a ist als eine bauliche Einheit ausgebildet. Die Leistungsverteilereinheit 20a weist eine Wirkverbindung mit einer Energiequelle 38a auf. Die Leistungsverteilereinheit 20a ist, im vorliegenden Fall insbesondere direkt, an die Energiequelle 38a, im vorliegenden Fall insbesondere ein Stromnetz und/oder ein Haushaltsnetz, angeschlossen. Die Energiequelle 38a ist dazu vorgesehen, eine Gesamtleistung 22a mit zumindest 3600 W bereitzustellen.In addition, the cooking appliance device comprises a power distribution unit 20a. The power distribution unit 20a is designed as a structural unit. The power distribution unit 20a is operatively connected to an energy source 38a. The power distribution unit 20a is, in the present case in particular directly, connected to the energy source 38a, in the present case in particular a power network and / or a household network. The energy source 38a is provided to provide a total power 22a of at least 3600 W.

Die Leistungsverteilereinheit 20a weist ferner eine Wirkverbindung mit jedem der Heizelemente 10a, 12a, 14a auf. Im vorliegenden Fall ist die Leistungsverteilereinheit 20a mit jedem der Heizelemente 10a, 12a, 14a elektrisch verbunden. Die Leistungsverteilereinheit 20a ist demnach zwischen der Energiequelle 38a und den Heizelementen 10a, 12a, 14a angeordnet.The power distribution unit 20a also has an operative connection with each of the heating elements 10a, 12a, 14a. In the present case, the power distribution unit 20a is electrically connected to each of the heating elements 10a, 12a, 14a. The power distribution unit 20a is accordingly arranged between the energy source 38a and the heating elements 10a, 12a, 14a.

Darüber hinaus weist die Leistungsverteilereinheit 20a eine Wirkverbindung mit der Steuereinheit 16a auf. Die Steuereinheit 16a ist dabei zur Ansteuerung der Leistungsverteilereinheit 20a vorgesehen.In addition, the power distribution unit 20a has an operative connection with the control unit 16a. The control unit 16a is provided for controlling the power distribution unit 20a.

Die Leistungsverteilereinheit 20a ist dazu vorgesehen, die Gesamtleistung 22a auf die Heizelemente 10a, 12a, 14a zu verteilen und dabei zumindest einem der Heizelemente 10a, 12a, 14a eine Ausgangsleistung 24a, 26a, 28a zuzuführen. Dabei ist eine Gesamtausgangsleistung, insbesondere eine Summe aller Ausgangsleistungen 24a, 26a, 28a, der Leistungsverteilereinheit 20a in jedem Betriebszustand gleich der Gesamtleistung 22a, wodurch insbesondere eine besonders hohe Effizienz erreicht werden kann. Es gilt: P T = i P i

Figure imgb0001
The power distribution unit 20a is provided to distribute the total power 22a to the heating elements 10a, 12a, 14a and to supply an output power 24a, 26a, 28a to at least one of the heating elements 10a, 12a, 14a. A total output power, in particular a sum of all output powers 24a, 26a, 28a, of the power distribution unit 20a in every operating state is equal to the total power 22a, whereby a particularly high efficiency can be achieved in particular. The following applies: P. T = i P. i
Figure imgb0001

PT entspricht dabei der Gesamtleistung 22a, während Pi eine der Ausgangsleistungen 24a, 26a, 28a beschreibt.P T corresponds to the total power 22a, while P i describes one of the output powers 24a, 26a, 28a.

Im vorliegenden Fall ist die Leistungsverteilereinheit 20a dazu vorgesehen, die Gesamtleistung 22a variabel auf die Heizelemente 10a, 12a, 14a zu verteilen. Die Leistungsverteilereinheit 20a ist dabei dazu vorgesehen, einen Wert wenigstens einer der Ausgangsleistungen 24a, 26a, 28a variabel einzustellen, insbesondere in einem Leistungsintervall zwischen 0 % der Gesamtleistung 22a und 100 % der Gesamtleistung 22a.In the present case, the power distribution unit 20a is provided to variably distribute the total power 22a to the heating elements 10a, 12a, 14a. The power distribution unit 20a is provided to variably set a value of at least one of the output powers 24a, 26a, 28a, in particular in a power interval between 0% of the total power 22a and 100% of the total power 22a.

In dem ersten Betriebszustand ist die Leistungsverteilereinheit 20a dazu vorgesehen, die Gesamtleistung 22a in genau eine Ausgangsleistung 24a, 26a, 28a umzuwandeln und einem, in dem ersten Betriebszustand betriebenen Heizelement 10a, 12a, 14a der Heizelemente 10a, 12a, 14a bereitzustellen. Die genau eine Ausgangsleistung 24a, 26a, 28a ist dabei gleich der Gesamtleistung 22a. Vorteilhaft entspricht die genau eine Ausgangsleistung 24a, 26a, 28a in diesem Fall ferner einer maximalen Nennleistung des in dem ersten Betriebszustand betriebenen Heizelements 10a, 12a, 14a. Es gilt:
PT = Pi
In the first operating state, the power distribution unit 20a is provided to convert the total power 22a into exactly one output power 24a, 26a, 28a and to provide it to a heating element 10a, 12a, 14a of the heating elements 10a, 12a, 14a operated in the first operating state. The precisely one output power 24a, 26a, 28a is equal to the total power 22a. In this case, the precisely one output power 24a, 26a, 28a also advantageously corresponds to a maximum nominal power of the heating element 10a, 12a, 14a operated in the first operating state. The following applies:
P T = P i

In dem zweiten Betriebszustand ist die Leistungsverteilereinheit 20a dazu vorgesehen, die Gesamtleistung 22a in zwei Ausgangsleistungen 24a, 26a, 28a aufzuteilen und zwei, in dem zweiten Betriebszustand betriebenen Heizelementen 10a, 12a, 14a der Heizelemente 10a, 12a, 14a bereitzustellen. Eine Summe der Ausgangsleistungen 24a, 26a, 28a ist dabei gleich der Gesamtleistung 22a. Zudem sind die Ausgangsleistungen 24a, 26a, 28a in diesem Fall geringer als eine maximale Nennleistung der in dem zweiten Betriebszustand betriebenen Heizelemente 10a, 12a, 14a. Ferner ist die Leistungsverteilereinheit 20a in diesem Fall dazu vorgesehen, einen Wert einer der Ausgangsleistungen 24a, 26a, 28a variabel einzustellen, insbesondere in einem Leistungsintervall zwischen 0 % der Gesamtleistung 22a und 100 % der Gesamtleistung 22a, während sich der andere Wert automatisch durch die Gesamtleistung 22a ergibt. Im vorliegenden Fall ist die Leistungsverteilereinheit 20a beispielhaft dazu vorgesehen, in dem zweiten Betriebszustand die Gesamtleistung 22a in eine erste Ausgangsleistung 24a und eine zweite Ausgangsleistung 26a aufzuteilen und dem ersten Heizelement 10a die erste Ausgangsleistung 24a und dem zweiten Heizelement 12a die zweite Ausgangsleistung 26a bereitzustellen. Es gilt: P T = P 1 + P 2

Figure imgb0002
In the second operating state, the power distribution unit 20a is provided to split the total power 22a into two output powers 24a, 26a, 28a and to provide two heating elements 10a, 12a, 14a of the heating elements 10a, 12a, 14a operated in the second operating state. A sum of the output powers 24a, 26a, 28a is equal to the total power 22a. In addition, the output powers 24a, 26a, 28a in this case are less than a maximum nominal power of the heating elements 10a, 12a, 14a operated in the second operating state. In addition, the power distribution unit 20a is provided in this case to variably set a value of one of the output powers 24a, 26a, 28a, in particular in a power interval between 0% of the total power 22a and 100% of the total power 22a, while the other value automatically changes through the total power 22a results. In the present case, the power distribution unit 20a is provided, for example, in the second operating state to split the total power 22a into a first output power 24a and a second output power 26a and to provide the first output power 24a to the first heating element 10a and the second output power 26a to the second heating element 12a. The following applies: P. T = P. 1 + P. 2
Figure imgb0002

In dem dritten Betriebszustand ist die Leistungsverteilereinheit 20a dazu vorgesehen, die Gesamtleistung 22a in drei Ausgangsleistungen 24a, 26a, 28a aufzuteilen und sämtlichen, in dem dritten Betriebszustand betriebenen Heizelementen 10a, 12a, 14a bereitzustellen. Eine Summe der Ausgangsleistungen 24a, 26a, 28a ist dabei gleich der Gesamtleistung 22a. Zudem sind die Ausgangsleistungen 24a, 26a, 28a in diesem Fall geringer als eine maximale Nennleistung der in dem dritten Betriebszustand betriebenen Heizelemente 10a, 12a, 14a. Ferner ist die Leistungsverteilereinheit 20a in diesem Fall dazu vorgesehen, einen Wert zweier Ausgangsleistungen 24a, 26a, 28a variabel einzustellen, insbesondere in einem Leistungsintervall zwischen 0 % der Gesamtleistung 22a und 100 % der Gesamtleistung 22a, während sich der letzte Wert automatisch durch die Gesamtleistung 22a ergibt. Im vorliegenden Fall ist die Leistungsverteilereinheit 20a dazu vorgesehen, in dem dritten Betriebszustand die Gesamtleistung 22a in eine erste Ausgangsleistung 24a, eine zweite Ausgangsleistung 26a und eine dritte Ausgangsleistung 28a aufzuteilen und dem ersten Heizelement 10a die erste Ausgangsleistung 24a, dem zweiten Heizelement 12a die zweite Ausgangsleistung 26a und dem dritten Heizelement 14a die dritte Ausgangsleistung 28a bereitzustellen. Es gilt: P T = P 1 + P 2 + P 3

Figure imgb0003
In the third operating state, the power distribution unit 20a is provided to divide the total power 22a into three output powers 24a, 26a, 28a and to provide all heating elements 10a, 12a, 14a operated in the third operating state. A sum of the output powers 24a, 26a, 28a is equal to the total power 22a. In addition, the output powers 24a, 26a, 28a in this case are less than a maximum nominal power of the heating elements 10a, 12a, 14a operated in the third operating state. Furthermore, the power distribution unit 20a is provided in this case to variably set a value of two output powers 24a, 26a, 28a, in particular in a power interval between 0% of the total power 22a and 100% of the total power 22a, while the last value automatically changes through the total power 22a results. In the present case, the power distribution unit 20a is provided in the third operating state to split the total power 22a into a first output power 24a, a second output power 26a and a third output power 28a and the first heating element 10a the first Output power 24a, the second heating element 12a to provide the second output power 26a and the third heating element 14a to provide the third output power 28a. The following applies: P. T = P. 1 + P. 2 + P. 3
Figure imgb0003

Rein beispielhaft könnte dabei P1 = 0,2·PT, P2 = 0,1·PT und P3 = 0,7·PT sein. Gleichwohl können jedoch auch beliebige andere für P1, P2 und P3 gewählt werden. Hierdurch kann eine vorteilhaft flexible Gargerätevorrichtung mit einer Vielzahl unterschiedlicher Betriebsmodi bereitgestellt werden, welche beispielsweise ein vorteilhaft schnelles Vorheizen, ein vorteilhaft schnelles Garen und/oder eine vorteilhaft schnelle Reinigung erlauben.Purely by way of example, P 1 = 0.2 * P T , P 2 = 0.1 * P T and P 3 = 0.7 * P T. However, any other desired values can also be selected for P 1 , P 2 and P 3. This makes it possible to provide an advantageously flexible cooking appliance device with a large number of different operating modes which, for example, allow advantageously quick preheating, advantageously quick cooking and / or advantageously quick cleaning.

In den Figuren 2 und 3 ist ein weiteres Ausführungsbeispiel der Erfindung gezeigt. Die nachfolgenden Beschreibungen und die Zeichnungen beschränken sich im Wesentlichen auf die Unterschiede zwischen den Ausführungsbeispielen, wobei bezüglich gleich bezeichneter Bauteile, insbesondere in Bezug auf Bauteile mit gleichen Bezugszeichen, grundsätzlich auch auf die Zeichnungen und/oder die Beschreibung des anderen Ausführungsbeispiels, insbesondere der Figur 1, verwiesen werden kann. Zur Unterscheidung der Ausführungsbeispiele ist der Buchstabe a den Bezugszeichen des Ausführungsbeispiels in der Figur 1 nachgestellt. In dem Ausführungsbeispiel der Figuren 2 und 3 ist der Buchstabe a durch den Buchstaben b ersetzt.In the Figures 2 and 3 a further embodiment of the invention is shown. The following descriptions and the drawings are essentially limited to the differences between the exemplary embodiments, with regard to identically designated components, in particular with regard to components with the same reference numerals, in principle also to the drawings and / or the description of the other exemplary embodiment, in particular the Figure 1 , can be referenced. To distinguish the exemplary embodiments, the letter a is the reference number of the exemplary embodiment in FIG Figure 1 re-enacted. In the embodiment of Figures 2 and 3 the letter a is replaced by the letter b.

In diesem Fall umfasst die Gargerätevorrichtung mehrere Wandlereinheiten 40b, 42b, 44b. Eine Anzahl an Wandlereinheiten 40b, 42b, 44b ist dabei an eine Anzahl an unterschiedlichen Heizelementen 10b, 12b, 14b und/oder an eine Anzahl an Heizelementen 10b, 12b, 14b angepasst. Die Wandlereinheiten 40b, 42b, 44b sind einer Leistungsverteilereinheit 20b nachgeschalten. Die Wandlereinheiten 40b, 42b, 44b sind getrennt von der Leistungsverteilereinheit 20b ausgebildet. Die Wandlereinheiten 40b, 42b, 44b sind dabei zwischen der Leistungsverteilereinheit 20b und den Heizelementen 10b, 12b, 14b angeordnet. Wenigstens zwei der Wandlereinheiten 40b, 42b, 44b sind verschieden ausgebildet. Die Wandlereinheiten 40b, 42b, 44b sind jeweils dazu vorgesehen, eine Ausgangsleistung der Leistungsverteilereinheit 20b an einen Typ der Heizelemente 10b, 12b, 14b anzupassen und einem jeweiligen Heizelement 10b, 12b, 14b zuzuführen. Alternativ ist jedoch auch denkbar, Wandlereinheiten in eine Leistungsverteilereinheit zu integrieren. Insbesondere kann die Leistungsverteilereinheit in diesem Fall die Wandlereinheiten umfassen.In this case, the cooking appliance device comprises a plurality of converter units 40b, 42b, 44b. A number of converter units 40b, 42b, 44b is adapted to a number of different heating elements 10b, 12b, 14b and / or to a number of heating elements 10b, 12b, 14b. The converter units 40b, 42b, 44b are connected downstream of a power distribution unit 20b. The converter units 40b, 42b, 44b are designed separately from the power distribution unit 20b. The converter units 40b, 42b, 44b are arranged between the power distribution unit 20b and the heating elements 10b, 12b, 14b. At least two of the converter units 40b, 42b, 44b are designed differently. The converter units 40b, 42b, 44b are each provided to adapt an output power of the power distribution unit 20b to a type of the heating elements 10b, 12b, 14b and to supply it to a respective heating element 10b, 12b, 14b. Alternatively, however, it is also conceivable to convert converter units into one To integrate power distribution unit. In particular, the power distribution unit can include the converter units in this case.

Eine Detailansicht der Leistungsverteilereinheit 20b und der Wandlereinheiten 40b, 42b, 44b zeigt Figur 3. Die Leistungsverteilereinheit 20b ist im vorliegenden Fall dazu vorgesehen, eine von einer Energiequelle 38b bereitgestellte Gesamtleistung 22b, insbesondere in Form einer Wechselspannung, in eine Gleichspannung umzuwandeln und den Wandlereinheiten 40b, 42b, 44b bereitzustellen.A detailed view of the power distribution unit 20b and the converter units 40b, 42b, 44b is shown Figure 3 . In the present case, the power distribution unit 20b is provided to convert a total power 22b provided by an energy source 38b, in particular in the form of an alternating voltage, into a direct voltage and to provide it to the converter units 40b, 42b, 44b.

Eine erste Wandlereinheit 40b der Wandlereinheiten 40b, 42b, 44b ist einem ersten Heizelement 10b der Heizelemente 10b, 12b, 14b zugeordnet. Die erste Wandlereinheit 40b umfasst dabei wenigstens einen Wechselrichter, sodass eine Heizleistung des ersten Heizelements 10b insbesondere abhängig von einer Schaltfrequenz des Wechselrichters ist.A first converter unit 40b of the converter units 40b, 42b, 44b is assigned to a first heating element 10b of the heating elements 10b, 12b, 14b. The first converter unit 40b comprises at least one inverter, so that a heating output of the first heating element 10b is in particular dependent on a switching frequency of the inverter.

Eine zweite Wandlereinheit 42b der Wandlereinheiten 40b, 42b, 44b ist einem zweiten Heizelement 12b der Heizelemente 10b, 12b, 14b zugeordnet. Die zweite Wandlereinheit 42b umfasst dabei wenigstens einen Gleichspannungswandler, vorteilhaft einen Quasiresonanten Spannungswandler, sodass eine Heizleistung des zweiten Heizelements 12b insbesondere abhängig von einer Amplitude einer Ausgangsspannung des Gleichspannungswandlers ist.A second converter unit 42b of the converter units 40b, 42b, 44b is assigned to a second heating element 12b of the heating elements 10b, 12b, 14b. The second converter unit 42b comprises at least one DC voltage converter, advantageously a quasi-resonant voltage converter, so that a heating power of the second heating element 12b is in particular dependent on an amplitude of an output voltage of the DC voltage converter.

Eine dritte Wandlereinheit 44b der Wandlereinheiten 40b, 42b, 44b ist einem dritten Heizelement 14b der Heizelemente 10b, 12b, 14b zugeordnet. Die dritte Wandlereinheit 44b umfasst dabei wenigstens einen weiteren Wechselrichter, sodass eine Heizleistung des dritten Heizelements 14b insbesondere abhängig von einer Schaltfrequenz des weiteren Wechselrichters ist. Alternativ ist jedoch auch denkbar, auf eine dritte Wandlereinheit zu verzichten. In diesem Fall ist denkbar, eine erste Wandlereinheit einem ersten Heizelement und einem dritten Heizelement zuzuordnen.A third converter unit 44b of the converter units 40b, 42b, 44b is assigned to a third heating element 14b of the heating elements 10b, 12b, 14b. The third converter unit 44b comprises at least one further inverter, so that a heating output of the third heating element 14b is in particular dependent on a switching frequency of the further inverter. Alternatively, however, it is also conceivable to dispense with a third converter unit. In this case, it is conceivable to assign a first converter unit to a first heating element and a third heating element.

BezugszeichenReference number

1010
HeizelementHeating element
1212th
HeizelementHeating element
1414th
HeizelementHeating element
1616
SteuereinheitControl unit
1818th
GarraumCooking space
2020th
LeistungsverteilereinheitPower distribution unit
2222nd
GesamtleistungOverall performance
2424
AusgangsleistungOutput power
2626th
AusgangsleistungOutput power
2828
AusgangsleistungOutput power
3030th
GargerätCooking appliance
3232
GerätegehäuseDevice housing
3434
MuffelGrouch
3636
GebläseeinheitBlower unit
3838
EnergiequelleEnergy source
4040
WandlereinheitConverter unit
4242
WandlereinheitConverter unit
4444
WandlereinheitConverter unit

Claims (10)

  1. Cooking appliance apparatus, in particular oven apparatus, with at least one first heating element (10b, 12b, 14b), with at least one second heating element (10b, 12b, 14b) and with a control unit (16a), which is provided to operate the first heating element (10b, 12b, 14b) and the second heating element (10b, 12b, 14b) jointly to heat a cooking chamber (18a) in at least one operating state, and with at least one power distributor unit (20b), which is provided to divide a total power (22b) into at least one first output power and at least one second output power (24a, 26a, 28a) in the operating state and to supply the first output power to the first heating element (10b, 12b, 14b) and the second output power to the second heating element (10b, 12b, 14b), characterised by a number of converter units (40b, 42b, 44b), which are arranged downstream of the power distributor unit (20b) and are provided to adjust one of the output powers (24a, 26a, 28a) of the power distributor unit (20b) to the type of heating elements (10b, 12b, 14b) and to supply the same to a respective heating element (10b, 12b, 14b), wherein the heating elements (10b, 12b, 14b) are of a different type.
  2. Cooking appliance apparatus according to claim 1, characterised in that a total output power of the power distributor unit (20b) is at least essentially equal to the total power (22b).
  3. Cooking appliance apparatus according to claim 1 or 2, characterised in that the total power (22b) is at least 3600 W.
  4. Cooking appliance apparatus according to one of the preceding claims, characterised in that the first output power is lower than a maximum rated power of the first heating element (10b, 12b, 14b) and/or the second output power is lower than a maximum rated power of the second heating element (10b, 12b, 14b).
  5. Cooking appliance apparatus according to one of the preceding claims, characterised in that the power distributor unit (20b) is provided to set a value of the first output power and/or the second output power in a variable manner.
  6. Cooking appliance apparatus according to one of the preceding claims, characterised in that the power distributor unit (20b) is configured as a structural unit.
  7. Cooking appliance apparatus according to one of the preceding claims, characterised in that at least one of the heating elements (10b, 12b, 14b) is configured as an induction heating element.
  8. Cooking appliance apparatus according to one of the preceding claims, characterised in that at least one of the heating elements (10b, 12b, 14b) is configured as a resistance heating element.
  9. Cooking appliance apparatus according to one of the preceding claims, characterised in that in at least one further operating state the power distributor unit (20b) is provided to convert the total power (22b) to an output power and supply it to one of the heating elements (10b, 12b, 14b).
  10. Cooking appliance (30a) with at least one cooking appliance apparatus according to one of the preceding claims.
EP17829287.6A 2016-12-23 2017-12-12 Cooking appliance apparatus Active EP3560276B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201631667 2016-12-23
PCT/IB2017/057828 WO2018116063A1 (en) 2016-12-23 2017-12-12 Cooking appliance apparatus, and method for operating a cooking appliance apparatus

Publications (2)

Publication Number Publication Date
EP3560276A1 EP3560276A1 (en) 2019-10-30
EP3560276B1 true EP3560276B1 (en) 2021-10-27

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Application Number Title Priority Date Filing Date
EP17829287.6A Active EP3560276B1 (en) 2016-12-23 2017-12-12 Cooking appliance apparatus

Country Status (5)

Country Link
US (1) US11375585B2 (en)
EP (1) EP3560276B1 (en)
CN (1) CN110100498B (en)
ES (1) ES2899032T3 (en)
WO (1) WO2018116063A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2766926A1 (en) * 2018-12-13 2020-06-15 Bsh Electrodomesticos Espana Sa Kitchen oven device (Machine-translation by Google Translate, not legally binding)
WO2021083740A1 (en) * 2019-10-30 2021-05-06 BSH Hausgeräte GmbH Food preparation system
CN113498224B (en) * 2020-03-18 2024-03-22 佛山市顺德区美的电热电器制造有限公司 Heating circuit and cooking equipment
CN114271666B (en) * 2020-09-27 2023-07-18 珠海优特智厨科技有限公司 Control method of cooking utensil, storage medium and computer equipment
CN114271692A (en) * 2020-09-27 2022-04-05 珠海优特智厨科技有限公司 Control method of cooking appliance, storage medium and computer device
WO2022143642A1 (en) * 2020-12-29 2022-07-07 佛山市顺德区美的电热电器制造有限公司 Electromagnetic heating apparatus, and power control method and power control device therefor
CN114698173B (en) * 2020-12-29 2023-01-31 佛山市顺德区美的电热电器制造有限公司 Electromagnetic heating equipment and power control method and power control device thereof
CN114698170B (en) * 2020-12-29 2024-05-17 佛山市顺德区美的电热电器制造有限公司 Electromagnetic heating equipment, power distribution method and power distribution device thereof

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CN2408640Y (en) * 2000-02-12 2000-11-29 叶阳 Combined power electric heating element
ES2392612B1 (en) * 2011-03-31 2013-10-22 BSH Electrodomésticos España S.A. Home appliance.
US9089005B2 (en) * 2012-02-21 2015-07-21 General Electric Company Cooking oven control system
US10024545B2 (en) * 2014-04-17 2018-07-17 Whirlpool Corporation Power management for home appliances
WO2016018820A1 (en) 2014-07-28 2016-02-04 Patentco LLC Countertop deck oven with advanced conduction elements

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Also Published As

Publication number Publication date
CN110100498B (en) 2022-02-01
WO2018116063A1 (en) 2018-06-28
ES2899032T3 (en) 2022-03-09
EP3560276A1 (en) 2019-10-30
US11375585B2 (en) 2022-06-28
CN110100498A (en) 2019-08-06
US20200068661A1 (en) 2020-02-27

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