公开(公告)号：US20240310050A1

公开(公告)日：2024-09-19

申请号：US18272928

申请日：2022-01-13

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： Alex VIROLI ,  Massimo NOSTRO ,  Filippo MILANESI ,  Jose PEREZ

IPC: F24C7/08 ,  H05B1/02 ,  H05B6/06

CPC classification number: F24C7/083 ,  H05B1/0266 ,  H05B6/062

Abstract: There is described a domestic appliance (1), in particular a cooking hob (2), for the thermal treatment of food products comprising at least one or more cooking zones (2), a power supply unit (5) being controllable into at least a stand-by mode and a powered-on mode and being configured to supply an energy to the one or more cooking zones (2) when being controlled in the pow-cred-on mode and a control group (17) coupled to the power supply unit (5) and configured to control the power supply unit (5) from the stand-by-mode into the powered-on mode; wherein the control group (17) is controllable between a rest configuration and an active configuration at which control group (17) is configured to set the power supply unit (5) from the stand-by-mode into the powered-on mode. The control group (17) comprises at least one magnetic switching device (18) having a magnetic and/or ferromagnetic element (19), the magnetic and/or ferromagnetic element (19) being moveable between at least a rest state and an active state. The control group (17) is controlled in the rest configuration and the active configuration with the magnetic and/or ferromagnetic element (19) being positioned in respectively the rest state and the active state. The magnetic and/or ferromagnetic element is biased in the rest state and is controllable by means of interaction with a metallic and/or magnetic and/or ferromagnetic activation device into the active state.

公开(公告)号：US20220248505A1

公开(公告)日：2022-08-04

申请号：US17625926

申请日：2020-07-15

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： Chunlong XU ,  Alex VIROLI ,  Massimo NOSTRO ,  Massimo ZANGOLI

IPC: H05B6/06 ,  H05B6/12

Abstract: The invention relates to a method for controlling the provision of electric power to an inductive element, in particular an induction coil (L), of an induction cooking appliance (1), the induction cooking appliance (1) comprising a circuitry (10) with an input (11), at least one switching element (S) for providing pulsed electric power to the inductive element, in particular the induction coil (L) and a capacitive element, in particular a capacitor (C) being connected in parallel, in particular in series, to the switching element (S), the method comprising the steps of: —receiving rectified AC-voltage (Vin) at the input (11) of the circuitry (10); —discharging, in particular during a first section/phase (P1), the capacitive element, in particular the capacitor (C) in order to reduce the voltage provided to the switching element (S), in particular during a first period of rectified AC-voltage (Vin); —after at least partially discharging the capacitive element, in particular the capacitor (C), starting, in particular as a second section/phase (P2), a switching operation of the switching element (S), in particular during a second period of rectified AC-voltage (Vin); —stopping the switching operation after a switching operation time, in particular during the second period of rectified AC-voltage (Vin); —iterating the steps of discharging of capacitor (C), starting of switching operation and stopping of switching operation, in particular immediately subsequently, in subsequent periods of rectified AC-voltage (Vin).

公开(公告)号：US20240040674A1

公开(公告)日：2024-02-01

申请号：US18265918

申请日：2021-11-24

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： Emanuel URGESE ,  Alex VIROLI ,  Massimo NOSTRO ,  Massimo ZANGOLI ,  Filippo MILANESI ,  Giacomo CORSI ,  Alan MENGOZZI

IPC: H05B6/06 ,  H05B6/12

CPC classification number: H05B6/065 ,  H05B6/1272

Abstract: There is described an induction cooking hob (1, 1′, 1″) comprising at least one cooking zone (2) for heating a cooking vessel. The cooking zone (2) comprises at least a first induction coil (3) and a second induction coil (4), the first induction coil (3) and the second induction coil (4) being configured to heat the cooking vessel alone or in collaboration with one another. The induction cooking hob (1, 1′, 1″) further comprises a power unit (6) operatively connected to and configured to power the first induction coil (3) and the second induction coil (4) and a control interface (5) configured to receive a requested power from a user, the requested power defining and/or being indicative about the power to be delivered to the cooking vessel. The power unit (6) is configured to power the first induction coil (3) and the second induction coil (4) such that the first induction coil (3) delivers, in use, a first power ranging between a first minimum deliverable power and a first maximum deliverable power and the second induction coil (4) delivers, in use, a second power ranging between a second minimum deliverable power and a second maximum deliverable power. The power unit (6) is configured to power the first induction coil (3) and the second induction coil (4) according to a respective powering scheme chosen from a set of powering schemes. The power unit (6) is configured to choose the respective powering scheme in function of the requested power and the first minimum deliverable power, the second minimum deliverable power, the first maximum deliverable power and the second maximum deliverable power.

公开(公告)号：US20230007740A1

公开(公告)日：2023-01-05

申请号：US17782292

申请日：2020-11-30

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： Emanuel URGESE ,  Massimo NOSTRO ,  Alex VIROLI ,  Massimo ZANGOLI ,  Filippo MARTINI ,  Fabio ANGELI

IPC: H05B6/12 ,  H05B6/06 ,  H02M7/523

Abstract: Method to control a quasi-resonant inverter (13) in an induction cooking appliance (1) provided with induction heating coil (4). The quasi-resonant inverter (13) comprises a switching device (21) electrically connected to the induction heating coil (4) by a node (20) having a first voltage (VC(t)) which is indicative of the voltage across the power switching device (21). The method comprising the steps of: providing to the switching device (21) an enabling signal (K1) comprising a plurality of pulses, in order to switch-on and switch-off said switching device (21) for a switch-on period (tON) and a switch-off period (tOFF), determining a second voltage (VCmin) indicative of the minimum value of the first voltage (VC(t)) during the switch- off period (tOFF), regulating the switch-off period (tOFF) based on the second voltage (VCmin), and regulating the enabling signal (K1) based on the regulated switch-off period (tOFF).

公开(公告)号：US20220369431A1

公开(公告)日：2022-11-17

申请号：US17623965

申请日：2020-06-26

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： Alex VIROLI ,  Massimo NOSTRO ,  Massimo ZANGOLI ,  Filippo MILANESI ,  Fabio ANGELI ,  Svend Erik CHRISTIANSEN

IPC: H05B6/06

Abstract: The present invention relates to a method for controlling an induction cooking hob, wherein said method comprises an operation mode for estimating the energy efficiency (EE), and wherein said operation mode includes the steps of: a) estimating (12) the dissipated electric energy (ED) of the induction cooking hob, b) comparing (14) the dissipated electric energy (ED) with a threshold value (EDthr) for said dissipated electric energy (ED), c) maintaining (16) the current working parameters of the induction cooking hob, if the dissipated electric energy (ED) is not bigger than the threshold value (EDthr), d) changing (18) the current working parameters, if the dissipated electric energy (ED) is bigger than the threshold value (EDthr), and e) repeating the steps a) and b) and then c) or d), respectively, after a predetermined time period.

公开(公告)号：US20210410237A1

公开(公告)日：2021-12-30

申请号：US17469977

申请日：2021-09-09

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： Laurent JEANNETEAU ,  Alex VIROLI ,  Massimo NOSTRO ,  Federico BALEST

IPC: H05B6/06 ,  H05B6/12

Abstract: The invention relates to a method for operating an induction hob (1), the induction hob (1) comprising a power circuit portion (2) with at least one switching element adapted to provide pulsed electric power to an induction coil (3) and a control entity (4) for controlling operating parameters of the switching element, the method comprising the steps of: performing a control loop with control cycles in order to detect coupling changes between the induction coil (3) and a piece of cookware, said control cycles comprising the steps of: receiving frequency information (fcurr) and power information (Pcurr) at said control entity (4); calculating at least one relation coefficient (Ds′, Ds″) based on said frequency information (fcurr) and said power information (Pcurr); and comparing said relation coefficient (Ds′, Ds″) with a relation coefficient boundary, thereby deriving a comparison result; deciding, based on the comparison result, whether to: perform a new control cycle of said control loop or whether to stop said control loop and said provision of pulsed electric power to the induction coil (3) and restart said control loop after updating an operating parameter of the switching element.

公开(公告)号：US20170307224A1

公开(公告)日：2017-10-26

申请号：US15515919

申请日：2015-11-26

Applicant: Electrolux Appliances Aktiebolag

Inventor： Alex VIROLI ,  Massimo NOSTRO ,  Filippo MARTINI ,  Laurent JEANNETEAU

IPC: F24C7/08 ,  A47L15/00 ,  D06F39/00 ,  H05B6/64

CPC classification number: F24C7/085 ,  A47L15/0018 ,  A47L15/0063 ,  D06F39/005 ,  H05B6/6435 ,  H05B6/6441

Abstract: A method for performing a treatment by a domestic appliance having a programmable control unit and a graphic display. The method includes executing a program for performing the treatment, encoding information about the appliance, the program and/or a current status of the appliance, generating a two-dimensional code representing the encoded information, and displaying the code on the graphic display, so that the code is detectable by a camera or scanner of a mobile computer device. Further, a method for processing information about a treatment performed by a domestic appliance, wherein the information is encoded by a two-dimensional code on a graphic display of the appliance. The method includes detecting the two-dimensional code by a camera or scanner, decoding the code, and indicating the decoded information on a display, and/or transmitting the decoded information to a computer device via the internet, and/or processing the decoded information by an application software.

公开(公告)号：US20240260190A1

公开(公告)日：2024-08-01

申请号：US18290322

申请日：2022-04-28

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： Alex VIROLI ,  Massimo NOSTRO ,  Adriano SCOTTO D'APOLLONIA ,  Massimo ZANGOLI ,  Emanuel URGESE ,  Elia SCHIARATURA ,  Alan MENGOZZI

IPC: H05K1/14 ,  H05B6/12 ,  H05K3/34

CPC classification number: H05K1/141 ,  H05B6/12 ,  H05K3/34 ,  H05K2201/0137 ,  H05K2201/0209 ,  H05K2201/029 ,  H05K2201/049

Abstract: Induction cooking hob comprising at least one first board element (18) and at least one second board element (16), wherein the first board element (18) and at least one second board element (16) each comprise at least one or more electrical and/or electronical component(s), wherein the first board element (18) is electrically coupled to the second board element (16) and wherein the first board element (18) is directly mechanically coupled to the second board element (16.

公开(公告)号：US20230422357A1

公开(公告)日：2023-12-28

申请号：US18039230

申请日：2021-11-30

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： Alex VIROLI ,  Massimo NOSTRO ,  Massimo ZANGOLI ,  Emanuel URGESE ,  Alan MENGOZZI

IPC: H05B6/06

CPC classification number: H05B6/062

Abstract: The invention relates to a circuit device (1) for a cooking device, in particular cooking hob, more in particular induction cooking hob, comprising —at least two power units (P1, P2, . . . PN), each power unit supplied with electrical power by a different mains current phase (L1, L2, . . . LN) —wherein each power unit comprises frequency converting means (G11 . . . GNM), each for supplying at least one induction element with electrical power to generate heating power, •wherein each power unit comprises at least one current pot conversion unit (C1 . . . CN) for converting an input direct or alternating current into one, at least one, two or at least two output direct currents, •wherein each power unit comprises at least one load supplied or to be supplied with electrical power by the output direct current, an output direct current or the output direct currents from the current conversion unit, •wherein a first power unit (P11) comprises a first current conversion unit (C1), in particular for converting an alternating current from a first mains current phase (L1) into one, at least one, two or at least two first output direct currents, •wherein by the first output direct current or one of the first output direct currents of the first power unit (P1), at least a second current conversion unit (C2) of a second power unit (P2) is supplied for converting the first output direct current into one, at least one, two or at least two second output direct currents.

公开(公告)号：US20230094391A1

公开(公告)日：2023-03-30

申请号：US17910825

申请日：2021-03-04

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： Alex VIROLI ,  Andrea ROSSI ,  Laurent JEANNETEAU ,  Massimo NOSTRO ,  Massimo ZANGOLI ,  Svend Erik CHRISTIANSEN

IPC: H05B6/06 ,  G01P15/18 ,  H05B6/12

Abstract: The present invention relates to a household appliance (1), in particular to a cooking hob, which comprises or is connected to an acceleration detection and/or measuring means (11) and a control unit (23) for controlling operating processes. The acceleration detection and/or measuring means (11), which may be an acceleration sensor and particularly a gravity sensor, is adapted for a detection of an acceleration of a section or a reference point of a wall or a panel (3) of the household appliance (1). The household appliance (1) may comprise a user interface (9) for providing information to a user, particularly status information, and/or for receiving input, particularly of control commands or data input, from the user. The acceleration detection and/or measuring means (11) is connected to the control unit (23) and/or, if applicable, to the user interface (9) for an exchange of data, and forms a trigger element for the control unit (23) and/or, if applicable, for the user interface (9). Further, the acceleration detection and/or measuring means (11) is adapted to provide a trigger signal for a control of a function and/or an operating process in the household appliance (1). Further, the present invention also relates to a method for controlling a household appliance (1), in particular a cooking hob. According to the invention, a function and/or an operating process in or of the household appliance (1) is triggered by an acceleration detection and/or measuring means (11), particularly by an acceleration sensor, more particularly by a gravity sensor, as a result of a detection of an acceleration of a section or a reference point of a wall or a panel (3) of the household appliance (1).