EP3556181A1 - Appareil électroménager - Google Patents

Appareil électroménager

Info

Publication number
EP3556181A1
EP3556181A1 EP17822460.6A EP17822460A EP3556181A1 EP 3556181 A1 EP3556181 A1 EP 3556181A1 EP 17822460 A EP17822460 A EP 17822460A EP 3556181 A1 EP3556181 A1 EP 3556181A1
Authority
EP
European Patent Office
Prior art keywords
switching elements
inductor
column
appliance device
heating matrix
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17822460.6A
Other languages
German (de)
English (en)
Other versions
EP3556181B1 (fr
Inventor
José Miguel Burdio Pinilla
Tomas Cabeza Gozalo
Sergio Llorente Gil
Oscar Lucia Gil
Ignacio Millan Serrano
Alejandro NAVAL PALLARES
Hector Sarnago Andia
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 EP3556181A1 publication Critical patent/EP3556181A1/fr
Application granted granted Critical
Publication of EP3556181B1 publication Critical patent/EP3556181B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/06Control, e.g. of temperature, of power
    • H05B6/062Control, e.g. of temperature, of power for cooking plates or the like
    • 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
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12Cooking devices
    • H05B6/1209Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1245Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
    • H05B6/1272Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements with more than one coil or coil segment per heating zone
    • 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
    • H05B6/062Control, e.g. of temperature, of power for cooking plates or the like
    • H05B6/065Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils
    • 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
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12Cooking devices
    • H05B6/1209Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • 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
    • H05B6/36Coil arrangements
    • H05B6/44Coil arrangements having more than one coil or coil segment
    • 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
    • H05B2213/03Heating plates made out of a matrix of heating elements that can define heating areas adapted to cookware randomly placed on the heating plate
    • 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
    • H05B2213/05Heating plates with pan detection means

Definitions

  • Fig. 1 shows a household appliance 48a with a household appliance device in a schematic plan view.
  • the household appliance 48a is designed in the present case as a cooking appliance.
  • the household appliance 48a is a hob, in particular a variable induction hob.
  • the household appliance 48a may be designed as any domestic appliance 48a, in particular cooking appliance, which differs from a cooking hob and, in particular, appears to be advantageous to a person skilled in the art, for example as a microwave or an induction baking oven.
  • the control unit 38a activates the second column splitter element 12a in such a way that it is in the second switching state and thus no conductive connection to the further reference potential 32a common to the column circuit elements 12a is established. There is no current flowing, which maintains the charged voltage.
  • the cooking dish detection mode 40a includes a discharge step 60a.
  • Discharge step 60a is performed during the operation step 56a.
  • the operating voltage which is present between the 2 nd row switching element 10a and the 1 st column switching element 12a varies with time. If the operating voltage assumes an at least substantially negligible value, the discharging step 60a is carried out.
  • the control unit 38a discharges the 1, 1-th heating matrix element 16a. For this purpose, the control unit 38a switches the first line switching element 10a into the first switching state.
  • the 1-th row switching element 10a connects the 1, 1-th heating matrix element 16a, in particular the 1, 1-th capacity 28a, with the reference potential 30a common to the row switching elements 10a.
  • the heating matrix element 16a, in particular the 1, 1-th capacitor 28a discharges. A characteristic curve 46a of the discharge process is detected.
  • a second terminal of the jth column switching element 12e is connected to a first terminal of a jth column diode 36e.
  • the jth column diode 36e blocks a current in the direction of the common reference potential 30e for the column switching elements 12e.
  • the jth column diode 36e allows a current from the direction of the common reference potential 30e to the column switching elements 12e.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Cookers (AREA)

Abstract

La présente invention concerne un appareil électroménager muni d'au moins une unité convertisseuse dans un circuit à demi-ponts ou à ponts complets pour le fonctionnement de plusieurs inducteurs au moyen d'un multiplexeur. Pour améliorer le rendement, un appareil électroménager, en particulier un appareil de cuisson, selon la présente invention, a au moins un nombre N d'éléments de commutation de ligne (10a-q), au moins un nombre M d'éléments de commutation de colonne (12a-q) et au moins une matrice de chauffage (14a-q) qui comprend au moins un nombre ΝχΜ d'éléments de matrice de chauffage (16a-q). Pour tout i de 1 à N et pour tout j de 1 à M avec un nombre total N+M d'éléments de commutation de ligne (10a-q) et d'éléments de commutation de colonne (12a-q) plus grand que 2, il s'applique que le i, jème élément de matrice de chauffage (16a-q) comprend au moins un i, jème inducteur (18a-q) et qu'il est relié aussi bien au ième élément de commutation de ligne (10a-q) qu'au jème élément de commutation de colonne (12a-q).
EP17822460.6A 2016-12-19 2017-12-12 Appareil électroménager Active EP3556181B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201631614A ES2673130B1 (es) 2016-12-19 2016-12-19 Dispositivo de aparato domestico de coccion por induccion con una matriz de elementos de calentamiento
PCT/IB2017/057815 WO2018116055A1 (fr) 2016-12-19 2017-12-12 Appareil électroménager

Publications (2)

Publication Number Publication Date
EP3556181A1 true EP3556181A1 (fr) 2019-10-23
EP3556181B1 EP3556181B1 (fr) 2021-07-21

Family

ID=60857138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17822460.6A Active EP3556181B1 (fr) 2016-12-19 2017-12-12 Appareil électroménager

Country Status (5)

Country Link
US (1) US11805576B2 (fr)
EP (1) EP3556181B1 (fr)
CN (1) CN110050507B (fr)
ES (2) ES2673130B1 (fr)
WO (1) WO2018116055A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4042834A1 (fr) 2019-10-08 2022-08-17 BSH Hausgeräte GmbH Appareil de cuisson
DE102020000642A1 (de) * 2019-12-17 2021-06-17 Mahle International Gmbh Elektrische Heizeinrichtung und Verfahren zum Betreiben der elektrischen Heizeinrichtung
US20230345585A1 (en) * 2022-04-22 2023-10-26 Bsh Home Appliances Corporation System having discrete zone energy transmission utilizing heating element array and object occupancy and location sensing

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7561396A (en) * 1995-11-21 1997-06-11 Aktiebolaget Electrolux A cooking surface with controls
IT1319292B1 (it) * 2000-11-08 2003-10-10 Whirlpool Co Dispositivo per rilevare la collocazione di utensili di cottura su unpiano di cottura ad elementi riscaldanti discreti e distribuiti.
US6693262B2 (en) * 2001-10-17 2004-02-17 Whirlpool Corporation Cooking hob with discrete distributed heating elements
EP1439739B1 (fr) * 2003-01-20 2009-09-23 Whirlpool Corporation Plaque de cuisson électrique et sa méthode de détermination de l'emplacement sur lequel se trouvent les ustensiles de cuissons
US7279665B2 (en) * 2003-07-02 2007-10-09 Itherm Technologies, Lp Method for delivering harmonic inductive power
US7368691B2 (en) * 2003-09-25 2008-05-06 International Rectifier Corporation Induction heating apparatus
ES2272879T5 (es) * 2003-12-08 2011-03-18 Whirlpool Corporation Un dispositivo para determinar la posición de utensilios de cocina sobre una placa de cocina.
ES2329211B1 (es) * 2007-08-07 2010-08-30 Bsh Electrodomesticos España, S.A. Circuito de dispositivo de coccion.
JP4863961B2 (ja) * 2007-10-15 2012-01-25 三菱電機株式会社 誘導加熱調理器
KR20090057495A (ko) * 2007-12-03 2009-06-08 삼성전자주식회사 유도가열조리기 및 그 제어방법
ES2356780B1 (es) * 2009-01-20 2012-03-13 Bsh Electrodomésticos España, S.A. Campo de cocción con al menos una zona de calentamiento de varios elementos de calentamiento.
KR101492068B1 (ko) * 2010-08-05 2015-02-10 삼성전자 주식회사 유도가열조리기 및 그 제어방법
ES2396505B1 (es) * 2010-09-15 2014-01-21 Bsh Electrodomesticos España, S.A. Dispositivo de calentamiento.
CN103404229B (zh) * 2011-02-21 2015-07-29 三菱电机株式会社 感应加热烹调器
DE102012201236A1 (de) * 2011-02-25 2012-08-30 BSH Bosch und Siemens Hausgeräte GmbH Hausgerätekalibriervorrichtung
WO2012131526A1 (fr) * 2011-03-30 2012-10-04 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de chauffage par induction
ES2392612B1 (es) * 2011-03-31 2013-10-22 BSH Electrodomésticos España S.A. Dispositivo electrodoméstico.
KR101835714B1 (ko) * 2011-04-01 2018-03-08 삼성전자주식회사 유도가열조리기 및 그 제어방법
CN104067691B (zh) 2011-08-30 2017-04-19 沃特洛电气制造公司 高清晰度加热器和操作方法
EP2670214B1 (fr) * 2012-05-29 2016-03-16 Electrolux Home Products Corporation N.V. Plaque de cuisson à induction avec plusieurs bobines à induction
WO2014064931A1 (fr) * 2012-10-25 2014-05-01 パナソニック株式会社 Dispositif de chauffage à induction
EP2779787B1 (fr) * 2013-03-11 2015-06-17 Electrolux Appliances Aktiebolag Procédé de détection d'un ustensile de cuisson sur une plaque à induction, plaque à induction et appareil de cuisson
ES2590381B1 (es) * 2015-05-21 2017-09-07 Bsh Electrodomésticos España, S.A. Batería de cocción
EP3432682A1 (fr) * 2017-07-18 2019-01-23 Whirlpool Corporation Procédé de fonctionnement d'une plaque de cuisson par induction et plaque de cuisson faisant appel à un tel procédé

Also Published As

Publication number Publication date
ES2673130B1 (es) 2019-03-28
ES2673130A1 (es) 2018-06-19
WO2018116055A1 (fr) 2018-06-28
ES2889549T3 (es) 2022-01-12
CN110050507A (zh) 2019-07-23
CN110050507B (zh) 2021-08-17
US20190274191A1 (en) 2019-09-05
EP3556181B1 (fr) 2021-07-21
US11805576B2 (en) 2023-10-31

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