[go: up one dir, main page]

WO1993013634A1 - Procede et dispositif pour le chauffage par induction de recipients de differentes dimensions - Google Patents

Procede et dispositif pour le chauffage par induction de recipients de differentes dimensions Download PDF

Info

Publication number
WO1993013634A1
WO1993013634A1 PCT/EP1992/002884 EP9202884W WO9313634A1 WO 1993013634 A1 WO1993013634 A1 WO 1993013634A1 EP 9202884 W EP9202884 W EP 9202884W WO 9313634 A1 WO9313634 A1 WO 9313634A1
Authority
WO
WIPO (PCT)
Prior art keywords
induction
container
electrical power
elements
induction elements
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.)
Ceased
Application number
PCT/EP1992/002884
Other languages
German (de)
English (en)
Inventor
Gerard Rilly
Laurent Jeanneteau
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt 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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Publication of WO1993013634A1 publication Critical patent/WO1993013634A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H05B6/065—Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
    • H05B6/1245—Cooking devices induction cooking plates or the like and devices to be used in combination with them with special coil arrangements
    • H05B6/1272—Cooking 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
    • 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
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/05—Heating plates with pan detection means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present invention relates to a method for inductive heating according to the preamble of claim and a device suitable for carrying out the method according to the invention according to the preamble of the first subject claim.
  • Frying pans, etc. can be heated by inductive methods and thus the goods in the pots, such as feeders, or the like, can be heated.
  • an inductivity device is already known with an inductor which consists of two individual induction elements.
  • an inductor which consists of two individual induction elements.
  • the two induction elements are connected in series because an increased number of turns is required.
  • the induction means consist of two or more induction elements arranged concentrically to one another.
  • the size of the container used is first determined and then only those incuction elements are supplied with electrical power that are necessary for heating the container.
  • the container size is recognized by determining and evaluating the changes in the inductance of the individual induction elements. It is also possible to determine the total inductance ten of induction elements switched on at the same time and thus infer the pot size.
  • the pot size can also be determined by comparing the phase position of the electrical power supplied to an induction element with a reference signal.
  • the applied voltage and the current caused by it are suitable for this purpose; or the impressed current and the resulting voltage. It is also possible to compare the phase position of the power supplied with that of another induction element.
  • This short-circuiter refers to the frequency with which the electrical power is fed.
  • Figure 1 shows the arrangement of induction means with a small one.
  • Figure 2 shows a preferred embodiment of the invention.
  • FIG. 1a shows a small container 10a, which is designed here as a saucepan, in the area of action of induction means, which consist of an inner induction element 11 and an outer induction element 12. To the outer indutti Onselement 12 there is a shielding plate 13, which can also be used as a worktop.
  • FIG. 1b shows essentially the same arrangement of the induction means 11, 12 and the shielding plate 13, but a large container 10b is arranged in the area of action of the induction means 11, 12.
  • FIG. 2 first shows a top view of the induction means 11, 12 and the shielding plate 13.
  • the inner induction element 11 is formed "from a winding of metal wire, metal strip or the like which is arranged clockwise from the inside to the outside.
  • the inner connection point of this induction element 11 leads to a first output of a current generator 14, which is only symbolically indicated here.
  • the outer connection point of the inner induction element 11 leads on the one hand to the inner connection point of the outer induction element 12 which, in this embodiment, consists of a wire or metal strip which is likewise wound in a clockwise direction.
  • the common connection of the induction elements 11, 12 leads to a first switching input of a switching device 15, to the second switching input of which the outer connection point of the outer induction element 12 is connected. Furthermore, a second output of the current generator 14 and the first input of an evaluation means 16 are connected to this second switching input.
  • This is transmitted via a second input reference signals R from the current generator 14. These can be derived, for example, from the current impressed on the induction elements 11, 12 or from the resulting chip nung.
  • the evaluation means 16 controls the switching device 15 via a corresponding control input.
  • a display stage 17 is also connected to the evaluation unit 16 and can display the respective operating states, such as, for example, “no container”, “large / small container”, the induction elements required for the Keiz congress, their number or the like.
  • This display unit 14 can be designed, for example, as one or more lamps, light-emitting diodes, as an alphanumeric display using liquid crystals or as another display. It is also conceivable that at least individual operating states are signaled acoustically.
  • the evaluation unit 16 When the power generator 14 is started up, the evaluation unit 16 first determines the phase position of the reference signal R, which can be a measure of the impressed current, and the phase position of the supply signal V, the example swe ise, with the switch 15 open and variable frequency of the supply power May be a measure of the voltage applied to the induction elements 11, 12 relative to one another. In addition, the e n s p r e c h e n ns can be evaluated.
  • the switching device 15 is controlled such that the switch is open and thus both the inner induction element 11 and the outer induction element 12 are supplied with electrical power and the container 10b is thereby heated uniformly.
  • Versions of the exemplary embodiment mentioned can have at least one of the following variants: - Instead of evaluating the phase position of supply signal V and reference signal R in the case of induction elements connected in series, the phase position of the supply signal can also be determined and evaluated for each individual induction element. This can be used, for example, to check whether a container to be heated is arranged symmetrically in the area of the induction means.
  • an additional induction means which in the simplest case is designed as a simple ring and is arranged between the inner and the outer induction means, can be short-circuited;
  • the element that is not required is short-circuited, which is adjacent to an element supplied with electrical energy to the outside. It is possible that several induction elements are short-circuited;
  • a change in the capacitance and / or inductance of the individual induction elements or of the entire inductor means can be determined by signals that do not match the supply signals. Different current, voltage and / or frequency values can be selected than for the supply signal V;
  • the winding directions of the induction elements used can be different, so that the total interference radiation and the total inactivity are positively influenced, in particular when there is a small distance between adjacent induction elements;
  • a plurality of switching contacts can be provided in such a way that when an induction element (12) is put into operation, it is electrically separated from the one put into operation (11). As a result, the currents in the individual switch contacts can be m ned.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Induction Heating (AREA)
  • Cookers (AREA)

Abstract

On se propose de réduire le rayonnement parasite émis par un dispositif de chauffage par induction et de parvenir à un réchauffement optimum lors de l'utilisation de récipients de différentes dimensions. Selon l'invention, plusieurs éléments à induction sont disposés concentriquement et adaptés à la dimension du récipient utilisé sur la base de signaux transmis à ces éléments d'induction et prenant en considération l'inductance et la capacité de chacun d'entre eux. Seuls les éléments à induction qui sont nécessaires pour réchauffer le récipient utilisé sont alimentés par un courant électrique. Les éléments à induction voisins, du côté extérieur, sont mis en court-circuit pour réduire le rayonnement magnétique parasite. L'invention s'applique de préférence aux fours à induction.
PCT/EP1992/002884 1991-12-23 1992-12-12 Procede et dispositif pour le chauffage par induction de recipients de differentes dimensions Ceased WO1993013634A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4142872.2 1991-12-23
DE4142872A DE4142872A1 (de) 1991-12-23 1991-12-23 Verfahren und vorrichtung zum induktiven beheizen von behaeltern unterschiedlicher groesse

Publications (1)

Publication Number Publication Date
WO1993013634A1 true WO1993013634A1 (fr) 1993-07-08

Family

ID=6448067

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1992/002884 Ceased WO1993013634A1 (fr) 1991-12-23 1992-12-12 Procede et dispositif pour le chauffage par induction de recipients de differentes dimensions

Country Status (2)

Country Link
DE (1) DE4142872A1 (fr)
WO (1) WO1993013634A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0716560A1 (fr) * 1994-12-09 1996-06-12 Cidelcem Industries Dispositif de chauffage par induction de récipient et procédé de commande d'un tel dispositif
GB2349471A (en) * 1999-04-27 2000-11-01 Ceramaspeed Ltd An electric heater assembly comprising heating elements which are energised in response to the presence of an object
CN100450318C (zh) * 2002-08-01 2009-01-07 Bsh博施及西门子家用器具有限公司 具有可重新配置构造的加热区的感应电炉和提高该加热区的最大功率的方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19500448A1 (de) * 1995-01-10 1996-07-11 Ego Elektro Blanc & Fischer Heizeinheit
DE19603845B4 (de) * 1996-02-05 2010-07-22 E.G.O. Elektro-Gerätebau GmbH Elektrischer Strahlungsheizkörper mit einem aktiven Sensor zur Kochgefäßerkennung
DE19707159C2 (de) * 1997-02-22 2001-03-08 Diehl Stiftung & Co Einrichtung zum induktiven Beheizen von Behältern
DE19827298C1 (de) * 1998-06-19 1999-09-16 Aeg Hausgeraete Gmbh Kochstelle mit einer Induktionskochzone
EP1037508A1 (fr) * 1999-03-10 2000-09-20 Inducs A.G. Cuisinière à induction possédant une régulation en température
DE102010043770A1 (de) * 2010-11-11 2012-05-16 BSH Bosch und Siemens Hausgeräte GmbH Haushalts-Betriebsgerät und Verfahren zum Zentrieren eines Aufsatzgeräts auf einem Haushalts-Betriebsgerät
EP3035772B1 (fr) * 2014-12-16 2017-08-09 E.G.O. ELEKTRO-GERÄTEBAU GmbH Dispositif de chauffage par induction et procédé de commande d'une bobine de chauffage par induction
GB2561906B (en) * 2017-04-28 2022-03-30 Kenwood Ltd Heating arrangement

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3275784A (en) * 1962-08-09 1966-09-27 Hoover Co Induction heating coil
DE3217850A1 (de) * 1982-05-12 1983-11-17 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Induktionsheizungs-kochgeraet
GB2153111A (en) * 1984-01-20 1985-08-14 Toshiba Kk Induction heat cooking apparatus
GB2199720A (en) * 1986-12-10 1988-07-13 Electricite De France Electric induction cooking appliances with reduced harmonic emission
EP0376760A1 (fr) * 1988-12-27 1990-07-04 Bonnet S.A. Plaque de cuisson par chauffage par induction
EP0498735A1 (fr) * 1991-02-08 1992-08-12 Bonnet S.A. Dispositif inducteur, destiné au chauffage par induction de récipients pour la cuisine et procédé de commande d'un tel dispositif

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1514951A (en) * 1974-07-15 1978-06-21 Mitsubishi Electric Corp Protective device for induction heating apparatus
DE3508289C1 (de) * 1985-03-08 1986-09-11 Thomson Brandt Gmbh Wechselrichter zur Speisung eines Verbrauchers mit einer induktiven Komponente
US4820891A (en) * 1986-11-29 1989-04-11 Kabushiki Kaisha Toshiba Induction heated cooking apparatus
SE459541B (sv) * 1987-10-29 1989-07-10 Electrolux Ab Induktionskokplatta eller -kokhaell

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3275784A (en) * 1962-08-09 1966-09-27 Hoover Co Induction heating coil
DE3217850A1 (de) * 1982-05-12 1983-11-17 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Induktionsheizungs-kochgeraet
GB2153111A (en) * 1984-01-20 1985-08-14 Toshiba Kk Induction heat cooking apparatus
GB2199720A (en) * 1986-12-10 1988-07-13 Electricite De France Electric induction cooking appliances with reduced harmonic emission
EP0376760A1 (fr) * 1988-12-27 1990-07-04 Bonnet S.A. Plaque de cuisson par chauffage par induction
EP0498735A1 (fr) * 1991-02-08 1992-08-12 Bonnet S.A. Dispositif inducteur, destiné au chauffage par induction de récipients pour la cuisine et procédé de commande d'un tel dispositif

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPIL Section EI, Week 8827, Derwent Publications Ltd., London, GB; Class X, AN 88-185169 *
PATENT ABSTRACTS OF JAPAN vol. 14, no. 168 (E-912)30. März 1990 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0716560A1 (fr) * 1994-12-09 1996-06-12 Cidelcem Industries Dispositif de chauffage par induction de récipient et procédé de commande d'un tel dispositif
FR2728132A1 (fr) * 1994-12-09 1996-06-14 Bonnet Sa Dispositif de chauffage par induction de recipient et procede de commande d'un tel dispositif
US5808280A (en) * 1994-12-09 1998-09-15 Cidelcem Industries Device for induction heating of a receptable and process for controlling such a device
GB2349471A (en) * 1999-04-27 2000-11-01 Ceramaspeed Ltd An electric heater assembly comprising heating elements which are energised in response to the presence of an object
GB2349471B (en) * 1999-04-27 2003-08-06 Ceramaspeed Ltd Electric heater assembly
EP1049358A3 (fr) * 1999-04-27 2003-10-01 Ceramaspeed Limited Dispositif de chauffage électrique
CN100450318C (zh) * 2002-08-01 2009-01-07 Bsh博施及西门子家用器具有限公司 具有可重新配置构造的加热区的感应电炉和提高该加热区的最大功率的方法

Also Published As

Publication number Publication date
DE4142872A1 (de) 1993-06-24

Similar Documents

Publication Publication Date Title
DE69200342T3 (de) Induktoranordnung zum Induktionsheizen von Kochgefässen und ihre Steuerungsanlage.
DE2357169C3 (de) Induktionsheizgerät
DE3332990C2 (fr)
EP2236004B1 (fr) Plaque de cuisson à induction munie d'une pluralité d'éléments chauffants à induction
EP3518618B1 (fr) Plaque de cuisson pourvue d'au moins deux zones chauffantes
DE60122044T2 (de) Induktive Heizvorrichtung für Kochbehälter
EP2087770B1 (fr) Procédé de commande d'un appareil de cuisson par induction, et appareil de cuisson par induction
EP2543233A1 (fr) Plaque de cuisson comprenant au moins une zone de cuisson et procédé permettant de faire fonctionner une plaque de cuisson
EP1854337B1 (fr) Dispositif de chauffe pour un appareil de cuisson a induction
WO1993013634A1 (fr) Procede et dispositif pour le chauffage par induction de recipients de differentes dimensions
DE112016007024T5 (de) Drahtlose leistungsübertragungs-einrichtung, drahtloses leistungsübertragungs-system und induktionsherd
DE19708335B4 (de) Heizleistungsregulierung für Induktionskochherd
EP2506673B1 (fr) Plaque de cuisson a induction
DE19714701B4 (de) Geregeltes induktives Erwärmungssystem
DE2559519C3 (de) Vorrichtung zur Überwachung der Belastung eines Induktionskochgerates
DE102017114951A1 (de) Verfahren zum Betrieb einer Kochstelle eines Induktionskochfelds mit einem Kochgeschirr
DE102004033115A1 (de) Verfahren und Vorrichtung zur thermostatischen Kochgeschirrregelung
DE102012201236A1 (de) Hausgerätekalibriervorrichtung
WO2024061886A1 (fr) Dispositif de table de cuisson à induction
DE102015216455A1 (de) Verfahren zur Temperaturbestimmung
EP3606284B1 (fr) Procédé et dispositif de transmission inductive d'énergie
EP3740033B1 (fr) Module de bobine d'induction et procédé de commande d'un processus de chauffage par induction pour module de bobine d'induction
DE2505341C2 (de) Einrichtung zur Erwärmung eines Behälters, insbesondere eines Geschirrteiles
DE19707159A1 (de) Einrichtung zum induktiven Beheizen von Behältern
DE102019105407A1 (de) Verfahren zum Betrieb einer Kochstelle eines Induktionskochfelds mit einem Kochgeschirr

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): JP KR RU

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
122 Ep: pct application non-entry in european phase