EP3123819B1 - Gargerätevorrichtung - Google Patents

Gargerätevorrichtung Download PDF

Info

Publication number
EP3123819B1
EP3123819B1 EP15708344.5A EP15708344A EP3123819B1 EP 3123819 B1 EP3123819 B1 EP 3123819B1 EP 15708344 A EP15708344 A EP 15708344A EP 3123819 B1 EP3123819 B1 EP 3123819B1
Authority
EP
European Patent Office
Prior art keywords
time interval
control unit
time
switch
operating state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15708344.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3123819A1 (de
Inventor
Daniel Anton Falcon
Alvaro Cortes Blanco
Oscar Garcia-Izquierdo Gango
Paul Muresan
Ramon Peinado Adiego
Diego Puyal Puente
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
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3123819A1 publication Critical patent/EP3123819A1/de
Application granted granted Critical
Publication of EP3123819B1 publication Critical patent/EP3123819B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H05B6/065—Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils

Definitions

  • the object of the invention is, in particular, to provide a generic cooking appliance device with improved properties with regard to operational safety.
  • the object is achieved by the characterizing features of independent claims 1 and 10, while advantageous refinements and developments of the invention can be found in the subclaims.
  • control unit in particular in at least one operating state, preferably the fault operating state, be provided for dynamically coordinating the at least one first time interval and the at least one second time interval.
  • the high-frequency heating current has, in particular, a corresponding frequency, flows through the at least one inductor in at least one operating state and is intended in particular for heating, in particular cooking utensils, in particular by eddy current and / or magnetic reversal effects.
  • a “line path” is to be understood in particular as an electrically conductive connection between at least two points.
  • “Provided” is to be understood in particular to be specially programmed, designed and / or equipped. The fact that an object is provided for a specific function should in particular be understood to mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.
  • the at least one first time interval advantageously has a time period between 1 ms and 20 ms, preferably between 2 ms and 15 ms and particularly preferably between 5 ms and 10 ms.
  • the at least one first time interval is at most 50%, advantageously at most 30%, preferably at most 10% and particularly preferably at most 5% larger than that at least a second time interval.
  • a maximum time period of the at least one first time interval is preferably given by a whole period of a mains voltage of a power supply network and is in particular when operating in Europe at most 20 ms and in particular when operating in North and Central America at most 16.33 ms.
  • the voltage "at least essentially” has an extremum in the middle of the first time interval is to be understood in particular to mean that the extremum is at most 25%, preferably at most 10% and particularly preferably at most 2% of a total duration of the time interval from the center is.
  • the fact that the "control unit is intended to deactivate the at least one inverter during at least a first time interval” is to be understood in particular to mean that the control unit is intended to start at least one deactivation process of the at least one inverter during the at least a first time interval and / or to complete at least one activation process of the at least one inverter during the at least one first time interval, in particular completely.
  • a start time of the at least one first time interval can correspond to at least one start time of the at least one deactivation process.
  • an end time of the at least one first time interval can correspond to at least one end time of the at least one activation process.
  • the control unit is preferably provided to completely deactivate the at least one inverter during the at least one first time interval, such that the at least one inverter is inactive during the entire at least one first time interval.
  • the at least one switch could be designed, for example, as an electronic switch, in particular as a transistor, in particular as a bipolar transistor and / or as a MOSFET. However, the switch is advantageous as a mechanical switch, in particular as a contactor and / or preferably as a relay.
  • the at least one second time interval is arranged centrally within the at least one first time interval
  • a center point of the at least one first time interval and a center point of the at least one second time interval lie one above the other.
  • “at least essentially central” should in particular mean a relative deviation of the two center points from less than 5%, preferably less than 2% and particularly preferably less than 1%.
  • the fault operating state corresponds in particular to a state in which switching takes place at least partially outside the at least one first time interval.
  • a generic cooking appliance device with improved properties with regard to operational safety can be provided, since in particular voltage peaks due to a sudden switching and / or operation of the at least one inverter without load can be avoided.
  • the at least one switch is switched gently, in that when the at least one switch is switched, it can be ensured that no current and / or only a small current through the at least one switch, the at least one inductor and / or the at least one inverter flows.
  • deviations of a reaction time of the at least one switch from a target reaction time can be compensated, in particular, from a control to a start of a switching process.
  • the control unit in particular in at least one operating state, in particular the fault operating state, is preferably provided to dynamically change at least one parameter of the at least one first time interval and / or of the at least one second time interval and in particular to adapt it to the respective other time interval.
  • a “parameter” is to be understood in particular as a characteristic variable of a time interval.
  • the cooking appliance device can be adapted to changing conditions, in particular a temperature, in particular during operation.
  • the two time intervals can advantageously be easily changed and, in particular, matched to one another.
  • An “interval length” is to be understood in particular to mean a time duration of the interval, in particular from a start time to an end time.
  • an “interval position” is to be understood in particular to mean a temporal occurrence of the interval, in particular a start time of the interval.
  • the control unit has at least one detection unit which is provided to detect at least one switching parameter of the at least one switch.
  • a “switching parameter” is to be understood in particular as a parameter of the at least one switch and / or a parameter characterizing a switching state of the at least one switch.
  • a switching state of the at least one switch, in particular, a conductive state, in particular the presence of an electrical connection and / or a non-conductive state, in particular the lack of an electrical connection, and / or a bouncing state, in particular a collision of two contacts of the switch.
  • the detection unit is preferably provided to detect at least the presence and / or absence of a voltage and / or a current in order to thereby to be able to infer a switching state of the at least one switch.
  • the detection unit is preferably provided to measure a voltage value and / or a current value. In this way, in particular an actual operating state and / or switching state can be determined and compared with a normal operating mode and / or theoretical switching state and / or setpoint switching state.
  • control unit in particular in at least one operating state, be provided for the presence of at least one point in time, preferably a plurality of points in time and / or a time range, of the at least one second time interval which lies outside the at least one first time interval determine, in particular by evaluating the detected data of the detection unit.
  • an error operating state and / or switching outside of the first time interval can advantageously be determined.
  • the control unit in particular in at least one operating state, in particular the fault operating state, be provided for determining the at least one point in time from a comparison of at least one switching characteristic variable, in particular detected by the detection unit, with a desired switching state.
  • a “target switching state” is to be understood to mean, in particular, a switching state which has been theoretically determined and / or calculated by the control unit on the basis of the control of the at least one inverter and / or the at least one switch and in which the at least one switch is located at a specific point in time should.
  • control unit in particular in at least one operating state, in particular the fault operating state, be provided for determining at least one temporal position parameter of the at least one point in time, preferably a plurality of points in time and / or the time range.
  • a “position parameter” is to be understood in particular to mean a parameter that characterizes a temporal position of the at least one point in time. In particular, this can further simplify a correction of the fault operating state.
  • the at least one first time interval and the at least one second time interval be dynamically coordinated with one another, as a result of which operational reliability is advantageously increased and in particular a possible fluctuation in a switching time, in particular also during operation of the cooking device device, can be taken into account and dynamically adapted.
  • FIG. 1 shows an exemplary cooking device 28a designed as an induction hob in a schematic plan view.
  • the cooking appliance 28a has a hob with four heating zones 30a. Each heating zone 30a is provided to heat exactly one cookware element (not shown).
  • the cooking device 28a comprises a cooking device device.
  • the cooking appliance device has an operating unit 32a.
  • the control unit 32a serves for the input and / or selection of a power level by a user.
  • the cooking device device comprises a control unit 20a.
  • the control unit 20a has a computing unit, a storage unit and an operating program stored in the storage unit, which is intended to be executed by the computing unit.
  • FIG. 2 shows a schematic circuit diagram of the cooking device.
  • the cooking device has four inductors 10a, 11a. Each inductor 10a, 11a is assigned to one of the heating zones 30a. Furthermore, the cooking device device comprises two inverters 12a. Each inverter 12a has two semiconductor switches 34a, in particular IGBTs. The control unit 20a is connected to control connections of the semiconductor switches 34a (not shown). Each of the inverters 12a is provided to convert a pulsating rectified mains voltage from an energy source 36a into a high-frequency heating current I and in particular to supply it to at least one of the inductors 10a, 11a.
  • the cooking appliance device has a switching arrangement 40a.
  • the switching arrangement 40a comprises a plurality of switches 14a, 16a.
  • the switches 14a, 16a are provided to interrupt and / or produce the line paths 18a between the inverters 12a and the inductors 10a, 11a.
  • the switching arrangement 40a comprises six switches 14a, 16a.
  • the switches 14a, 16a are identical in construction.
  • the switches 14a, 16a are each designed as changeover switches.
  • the switches 14a, 16a are designed as relays in the present case.
  • the line paths 18a can be interrupted by two switches 14a, 16a.
  • Two first switches 14a are each connected to a heating current output 44a of the inverter 12a.
  • the two first switches 14a are each connected to two second switches 16a.
  • the two second switches 16a are each connected to a heating connection 48a of the inductors 10a, 11a.
  • a voltage detector 46a is assigned to each inductor 10a, 11a, in particular in each case at a connection of the inductors 10a, 11a facing the switching arrangement 40a.
  • the voltage detectors 46a assigned to the inductors 10a, 11a are each arranged on the heating connection 48a of the inductors 10a, 11a.
  • the current detector 42a is arranged between the first switch 14a and the heating current output 44a of the inverter 12a. Furthermore, the current detector 42a is arranged between the first contact 50a of the second switch 16a and the heating current output 44a of the inverter 12a.
  • the switching takes place after a certain reaction time after the activation, for example after 1 ms.
  • Switching preferably takes place and in particular in a normal operating state when no heating current I flows through the second switch 16a. This can improve operational reliability, since it can in particular be ensured that voltage peaks due to an induction voltage of the inductors 10a, 11a and / or operation of the inverters 12a can be avoided without load.
  • control unit 20a is provided to deactivate the heating current I during a first time interval 22a.
  • the control unit 20a is provided to stop the operation of the inverter 12a during the entire first time interval 22a, so that the inverter 12a is in particular deactivated.
  • the control unit 20a is provided to operate the cooking device device in a normal operating state. Diagrams of a normal operating state are in Figure 4 shown. However, at least one fault operating state can also occur. In this case, the control unit 20a is provided to detect an occurrence of the fault operating state and to correct it in such a way that the normal operating state is restored. Exemplary diagrams of fault operating states show the Figures 5 and 6 ,
  • a curve 58a shows a schematic illustration of an envelope of a potential profile at the first contact 50a.
  • a zero signal of the second curve 58a defines the first time interval 22a and accordingly in particular a completely deactivated inverter 12a.
  • the first time interval 22a begins at an initial time T 1A .
  • the first time interval 22a ends at an end time T 1E .
  • a signal curve 60a shows a low-frequency envelope of the high-frequency heating current I detected by the current detector 42a.
  • the heating current I is deactivated during the entire first time interval 22a. Accordingly, the heating current I has a zero signal during the entire first time interval 22a.
  • the first time interval 22a has a time duration t 1 of 10 ms.
  • the second time interval 24a has a time period t 2 of 8 ms. Accordingly, the first time interval 22a, in particular by 2 ms, is longer than the second time interval 24a.
  • the second time interval 24a in the normal operating state is arranged completely within the first time interval 22a. The switching of the second switch 16a thus begins and ends within the first time interval 22a. Furthermore, the second switch 16a is currentless during the second time interval 24a. In the present case of the normal operating state, the second time interval 24a lies centrally within the first time interval 22a. This ensures particularly efficient and safe switching.
  • the control unit 20a switches the inverter 12a, in particular a switching frequency of the inverter 12a, such that the envelope of the heating current I approaches the zero signal gradually and in particular not abruptly.
  • the envelope of the heating current I drops in a time range t 3 , which is in particular immediately before the first time interval 22a.
  • the envelope of the heating current I gradually approaches the zero signal in the time range t 3 .
  • the time range t 3 has a duration of 2 ms.
  • the envelope of the heating current I increases in a second time range t 3 , which is in particular immediately after the first time interval 22a.
  • the envelope of the heating current I gradually approaches the rectified mains voltage in the second time range t 3 .
  • the second time range t 3 has a duration of 2 ms.
  • the envelope of the heating current I thus changes gradually, thereby avoiding noise. Details regarding the switching method used can be found in the publication WO 2012/001603 A1 be removed.
  • Figure 5 shows a diagram of a first example of a fault operating state.
  • An error operating state can occur, for example, as a result of a change in the switching time and / or a reaction time of at least one of the switches 14a, 16a due to temperature fluctuations and / or signs of aging.
  • the second time interval 24a is not completely within the first time interval 22a.
  • Time is shown on the abscissa axis 62a.
  • the ordinate axis 64 is shown as the size axis.
  • the first three curves shown correspond to the curves of Figure 4
  • a curve 66a shows a schematic illustration of an envelope of a potential profile at the second contact 52a.
  • a curve 68a shows a schematic illustration of an envelope of a potential profile at the third contact 54a.
  • a curve 70a shows a schematic representation of an error curve 72a determined by the control unit 20a, in particular from a control signal of the inverter 12a and the detected envelope of the heating current I.
  • control unit 20a is provided to dynamically coordinate the first time interval 22a and the second time interval 24a, in particular during operation of the cooking appliance device.
  • control unit 20a is provided to dynamically change an interval position of the second time interval 24a, in particular at the latest 10 ms after the fault operating state has occurred.
  • control unit 20a is provided for changing the control signal for actuating the second switch 16a in such a way that the second time interval 24a is arranged again, preferably centrally within the first time interval 22a during a further switching operation.
  • the control unit 20a can determine a temporal position parameter of the at least one time point T.
  • a control unit can be provided, based on a time occurrence of another time of a pulse, in particular a start time and / or an end time of a pulse, and / or all times of a pulse, in particular all times of a pulse, which are arranged outside a first time interval to determine a temporal position parameter.
  • a time period to be changed can be determined.
  • the time period to be changed corresponds at least to the width of the pulse 74a.
  • control unit 20a is provided to move the starting time T 2A of the second time interval 24a back by at least 1 ms.
  • a control unit could also be provided to move an initial point in time of a second time interval back by 2 ms and / or any other value.
  • Another parameter is also conceivable to change, in particular a time period of a first time interval and / or a start time of a first time interval.
  • the error cure 72a Due to a bouncing of the contacts 50a, 52a, 54a of the second switch 16a, the error cure 72a has three pulses 74a, 76a, 78a. The bouncing takes place in a time range t 5 .
  • the control unit 20a is provided for dynamically changing an interval position of the second time interval 24a, so that the second time interval 24a is arranged within the first time interval 22a during a further switching operation.
  • the control unit 20a is provided to advance the start time T 2A of the second time interval 24a.
  • the further exemplary embodiment differs from the previous exemplary embodiment at least essentially by a detection unit 26b of a control unit 20b.
  • the detection unit 26b comprises two additional voltage detectors 46b.
  • An additional voltage detector 46b is assigned to each inverter 12b.
  • the additional voltage detectors 46b assigned to the inverters 12b are at a heating current output 44b of the respective inverter 12b.
  • current detectors could also be dispensed with.
  • a detection unit could also have only current sensors, in particular six current sensors, with exactly one current detector being assigned to each inverter and / or each inductor.
  • FIG. 7 shows a simplified schematic subcircuit of the cooking device device. Only one inverter 12b, two switches 14b, 16b, two inductors 10b, 11b and three voltage detectors 46b of the detection unit 26b are shown.
  • the second switch 16b has three contacts 50b, 52b, 54b. In the present case, the first contact 50b and the second contact 52b are conductively connected.
  • a voltage detector 46b of the detection unit 26b is arranged on each of the three contacts 50b, 52b, 54b. In the present case, a filter 80b is additionally arranged between each of the contacts 50b, 52b, 54b and the voltage detectors 46b.
  • the detection unit 26b also has a logic unit 82b. The logic unit 82b is provided to process the detected potential of the voltage detectors 46b.
  • FIGS. 8 and 9 show two typical high-frequency potential curves V 1 (t), V 2 (t), which can occur at the three contacts 50b, 52b, 54b of the second switch 16b.
  • An ordinate axis 84b shows the electrical potential in each case. The time is shown in each case on an abscissa axis 86b.
  • the first contact 50b and the second contact 52b of the switch 16b have the first potential profile V 1 (t).
  • the first potential profile V 1 (t) essentially has the shape of a square-wave signal with steep edges. Due to sharp edges, a frequency spectrum of the potential profile V 1 (t) contains high-frequency signal components, the frequencies and / or at least a certain frequency component of which can at least essentially pass the filter 80b unhindered. The first potential profile V 1 (t) can accordingly be detected by the respective voltage detector 46b.
  • the third contact 54b of the switch 16b has the second potential profile V 2 (t).
  • the second potential profile V 2 (t) essentially has the shape of a in the direction of Ordinate axis 84b shifted sinusoidal signal. Due to the sinusoidal signal, only a few frequency components are contained in a frequency spectrum of the second potential profile V 2 (t). These frequency components are at least essentially blocked by the filter 80b.
  • the second potential curve V 2 (t) can therefore not be detected by the respective voltage detector 46b, since the voltage detectors 46b are in particular intended to detect steep edges.
  • the voltage detectors 46b are provided to output a logical "0" when a signal with a potential value above a limit value is detected. Furthermore, the voltage detectors 46b are provided for outputting a logical "1" when a signal with a potential value below a limit value is detected.
  • the control unit 20b is now provided to detect and compare the potential profiles at the three contacts 50b, 52b, 54b. Furthermore, the control unit 20b is provided for correcting an error operating state if this occurs.
  • Figure 10 shows a diagram of a fault operating state, wherein switching takes place both before and after the first time interval 22b.
  • Time is shown on an abscissa axis 62b.
  • An ordinate axis 64b is shown as a size axis.
  • a curve 90b shows a switching state of the second switch 16b and thus represents a second time interval 24b.
  • a logical "1" denotes a switching operation, in particular a non-conductive and / or a bouncing state, of the second switch 16b.
  • a logical "0" indicates a non-switching state, in particular a permanently conductive state, of the second switch 16b.
  • a second curve 92b shows a low-frequency envelope of a high-frequency potential curve at the first contact 50a.
  • a signal curve 94b shows a low-frequency envelope of the high-frequency potential detected at the first contact 50b by one of the voltage detectors 46b.
  • a start time T 1A of the first time interval 22b corresponds to a deactivation time of the inverter 12b, at which time the inverter 12b falls below a predetermined first potential value.
  • an end time T 1E of the first time interval 22b corresponds to an activation time of the inverter 12b at which the inverter 12b exceeds a predetermined second potential value.
  • the predetermined first potential value and the predetermined second potential value are identical.
  • a curve 96b shows an output signal of the voltage detector 46b arranged on the first contact 50b.
  • a signal curve 98b shows a low-frequency envelope of the high-frequency potential detected at the second contact 52b by one of the voltage detectors 46b.
  • a curve 108b shows a comparison signal, determined by the logic unit 82b, of the output signal of the voltage detector 46b arranged on the first contact 50b and of the output signal of the voltage detector 46b arranged on the third contact 54b.
  • a curve 110b shows the output signal of the detection unit 26b and / or the logic unit 82b.
  • the voltage detectors 46b are provided to detect the characteristic potential profiles at the three contacts 50b, 52b, 54b and to supply them to the logic unit 82b.
  • the logic unit 82b is provided to compare the potential profiles. If an error operating state occurs, in particular during the occurrence of the error, the detection unit 26b is provided to output a high level. In the present case, the high level is given by two pulses 74b, 76b. The high level can then be detected by the control unit 20b. In order to restore a normal operating state, the control unit 20b is provided in this case to increase a duration of the first time interval 22b, in particular from 10 ms to 12 ms.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Induction Heating Cooking Devices (AREA)
EP15708344.5A 2014-03-24 2015-02-27 Gargerätevorrichtung Active EP3123819B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201430405 2014-03-24
PCT/IB2015/051463 WO2015145278A1 (de) 2014-03-24 2015-02-27 Gargerätevorrichtung

Publications (2)

Publication Number Publication Date
EP3123819A1 EP3123819A1 (de) 2017-02-01
EP3123819B1 true EP3123819B1 (de) 2020-02-19

Family

ID=52629646

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15708344.5A Active EP3123819B1 (de) 2014-03-24 2015-02-27 Gargerätevorrichtung

Country Status (4)

Country Link
US (1) US10237925B2 (es)
EP (1) EP3123819B1 (es)
ES (1) ES2776387T3 (es)
WO (1) WO2015145278A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015145309A1 (de) * 2014-03-24 2015-10-01 BSH Hausgeräte GmbH Gargerätevorrichtung mit selbststeuernder überbrückungseinheit
EP3307017B1 (en) * 2016-10-06 2019-05-22 Whirlpool Corporation Versatile induction hob
US10660162B2 (en) 2017-03-16 2020-05-19 Whirlpool Corporation Power delivery system for an induction cooktop with multi-output inverters
EP3544376B1 (en) * 2018-03-23 2020-08-26 Whirlpool Corporation Connection interface for induction coil array
EP3544377B1 (en) 2018-03-23 2020-08-05 Whirlpool Corporation Temperature sensor compression features for induction cooktop assembly
EP3544374B1 (en) 2018-03-23 2020-09-23 Whirlpool Corporation Induction cooktop with improved magnetic flux concentrating foil

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112286A (en) * 1976-06-28 1978-09-05 Firing Circuits, Inc. Power circuit for induction heating
ES2356441B1 (es) * 2008-12-19 2012-03-13 Bsh Electrodomésticos España, S.A. Campo de cocción con un inductor, un inversor y un dispositivo de conexión.
ES2385091B1 (es) 2010-04-27 2013-05-28 Bsh Electrodomésticos España, S.A. Dispositivo de encimera de cocción.
ES2386456B1 (es) 2010-06-28 2013-07-19 BSH Electrodomésticos España S.A. Dispositivo de encimera de coccion
CN103404229B (zh) * 2011-02-21 2015-07-29 三菱电机株式会社 感应加热烹调器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3123819A1 (de) 2017-02-01
ES2776387T3 (es) 2020-07-30
WO2015145278A1 (de) 2015-10-01
US20170079092A1 (en) 2017-03-16
US10237925B2 (en) 2019-03-19

Similar Documents

Publication Publication Date Title
EP3123819B1 (de) Gargerätevorrichtung
EP2638777B1 (de) Heizvorrichtung
EP2564666B1 (de) Kochmuldenvorrichtung
WO2015162046A1 (de) Vorrichtung zum schalten eines halbleiterbasierten schalters und sensor zur erfassung einer stromänderungsgeschwindigkeit an einem halbleiterbasierten schalter
EP2586271B1 (de) Kochmuldenvorrichtung
EP3417672A1 (de) Elektrische vorrichtung, insbesondere heizer, sowie vorrichtung und verfahren zur ansteuerung einer elektrischen vorrichtung
EP2469970B1 (de) Gargerätevorrichtung
EP2506663A1 (de) Gargerätevorrichtung
EP2634921B1 (de) Annäherungssensor und Verfahren zum Bestimmen der Annäherung an einen elektrisch leitfähigen Körper
EP3001774B1 (de) Hausgerätevorrichtung und verfahren zum betrieb einer hausgerätevorrichtung
DE102013220979A1 (de) Verfahren und Vorrichtung zum Betrieb eines bürstenlosen Gleichstrommotors
EP2911472B1 (de) Gargerätevorrichtung, insbesondere Kochfeldvorrichtung, mit einer Mehrzahl von Wechselrichtern
EP1355163B1 (de) Verfahren und Vorrichtung zum Überprüfen eines Umrichters
WO2016026629A1 (de) Überwachung einer spule
EP2506666A1 (de) Gargerätevorrichtung
EP2374208B1 (de) Zündüberwachung für leistunsschalter in elektrowerkzeuggerät für den betrieb mit wechselstrom
EP3375018A1 (de) Ansteuerschaltung und verfahren zur ansteuerung eines piezoelektrischen transformators
EP2472186A2 (de) Hausgerätevorrichtung, Hausgerät mit einer Hausgerätevorrichtung und Verfahren zum Betrieb einer Hausgerätevorrichtung
EP3030041A1 (de) Kochfeldvorrichtung und verfahren zum betrieb einer kochfeldvorrichtung
EP3142582B1 (de) Hochfrequenz-chirurgiegerät
EP3719985A1 (de) Haushaltsgerät mit einer elektrischen funktionseinheit sowie verfahren zu deren betrieb
EP2380394B1 (de) Induktionskochfeld mit wenigstens einem wechselrichter
EP4070353B1 (de) Erfassen eines schaltzustands eines elektromechanischen schaltelements
DE102009002464A1 (de) Verfahren um Betrieb einer Steuerschaltung, insbesondere zur Anwendung in einem Kraftfahrzeug
DE102016202775A1 (de) Gargerätevorrichtung und Verfahren zum Betrieb einer Gargerätevorrichtung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20161024

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20190920

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502015011767

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1236463

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200315

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20200219

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2776387

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20200730

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200519

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200519

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200520

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200619

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20200229

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200712

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200227

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502015011767

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200229

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200229

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20201120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200227

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200229

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1236463

Country of ref document: AT

Kind code of ref document: T

Effective date: 20200227

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200227

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200219

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20240319

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240229

Year of fee payment: 10

Ref country code: GB

Payment date: 20240222

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20240229

Year of fee payment: 10

Ref country code: FR

Payment date: 20240221

Year of fee payment: 10