EP0393506B1 - Fourneau électrique - Google Patents

Fourneau électrique Download PDF

Info

Publication number
EP0393506B1
EP0393506B1 EP90107003A EP90107003A EP0393506B1 EP 0393506 B1 EP0393506 B1 EP 0393506B1 EP 90107003 A EP90107003 A EP 90107003A EP 90107003 A EP90107003 A EP 90107003A EP 0393506 B1 EP0393506 B1 EP 0393506B1
Authority
EP
European Patent Office
Prior art keywords
control circuit
heating power
hot
plates
switch
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.)
Expired - Lifetime
Application number
EP90107003A
Other languages
German (de)
English (en)
Other versions
EP0393506A3 (fr
EP0393506A2 (fr
Inventor
Alfred Meisner
Erwin Potthof
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.)
Diehl Verwaltungs Stiftung
Original Assignee
Diehl GmbH and Co
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 Diehl GmbH and Co filed Critical Diehl GmbH and Co
Publication of EP0393506A2 publication Critical patent/EP0393506A2/fr
Publication of EP0393506A3 publication Critical patent/EP0393506A3/fr
Application granted granted Critical
Publication of EP0393506B1 publication Critical patent/EP0393506B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/102—Tops, e.g. hot plates; Rings electrically heated
    • F24C15/106—Tops, e.g. hot plates; Rings electrically heated electric circuits

Definitions

  • the invention relates to an electric cooker with several hot plates, at least one of which can be switched to increased heating power, in particular with glass ceramic cooktops, an electronic control circuit being provided for controlling the hot plates, the clock frequency of which can be switched to a lower value at higher heating powers.
  • the energy supply to the hot plates of electric cookers is usually clocked, i. H. at intervals.
  • the hotplate is controlled at a constant clock frequency, with the pulse-pause ratio of each energy pulse being changed depending on the setting of the hotplate controller.
  • the pulse time is small within a pulse period, whereas the pulse pause is large, with large powers, however, the pulse time is long and the pulse pause is short.
  • the provisions of the VDE for the operation of such devices stipulate that the clock frequency with a power input of 2000 watts in the 220V network must not be greater than 0.04167 Hz, with even higher powers of e.g. B. 2500 watts even a maximum of 0.025 Hz.
  • the object of the invention is therefore to design an electric cooker in such a way that it is operated at the maximum permissible frequency when supplying energy to the hot plates or the hob.
  • a switch is provided which is used to switch a hotplate to a heating power which is still higher than the maximum power and which at the same time switches the clock frequency in the control circuit to a lower value.
  • control circuit outputs different clock frequencies at its outputs for controlling the individual hot plates, depending on the heating power set. This makes it possible to work with a higher clock frequency in accordance with the values permitted by the VDE, even in the range below the maximum heating output of 2000 watts and the possible clock frequency of 0.04167 at maximum, with lower heating outputs. This gives a more even cooking.
  • the control circuit for the cooker is preferably designed as a microprocessor, which also serves to generate the clock. In principle, however, it would also be possible in the sense of the invention to carry out the clock generation by means of a frequency divider with switchable outputs.
  • hot plates 2, 3, 4 and 5 are provided, which can be controlled by the hotplate controllers 6 - 9 in their heating power.
  • a switch 10 is used to switch the hotplate 2 to an increased heating power of 2500 watts.
  • the electrical control circuit is designated 11, which contains a microprocessor 12, on the control inputs of which both the changeover switch 10 and the hotplate controller 6 - 9 are located.
  • These hotplate controllers are shown schematically as switches that can be adjusted in several positions.
  • the control signals for controlling the hot plates are taken from the outputs of the microprocessor.
  • a relay 13 is represented as a representative of the other outputs, which controls the heating power for the hotplate 2 by controlling the clock signals of the microprocessor.
  • a frequency f1 for heating power up to 2000 watts or a frequency f2 for a heating power of 2500 watts is given.
  • constant frequencies f 1 can be emitted for the other hot plates, provided that these hot plates are to be operated in the usual way.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Resistance Heating (AREA)
  • Electric Stoves And Ranges (AREA)

Claims (3)

  1. Cuisinière électrique comportant plusieurs plaques de cuisson, dont une au moins peut être commutée sur une puissance de chauffage supérieure, en particulier avec des zones de cuisson en vitrocéramique, dans laquelle un circuit de commande (11) électronique, dont la fréquence de cycle aux puissances de chauffage supérieures peut être commutée sur une valeur plus basse, est prévu pour la commande des plaques de cuisson (2 à 5), caractérisée en ce qu'en plus des variateurs de foyer (6 à 9) il est prévu un commutateur (10), qui sert à faire commuter une plaque de cuisson (2) sur une puissance de chauffage encore supérieure à la puissance maximale et qui en même temps commute, dans le circuit de commande (11), la fréquence de cycle sur une valeur plus basse.
  2. Cuisinière suivant la revendication 1, caractérisée en ce que le circuit de commande délivre des fréquences de cycle différentes à ses sorties, pour commander les différentes plaques de cuisson (2 à 5), en fonction de la puissance de chauffage sélectionnée.
  3. Cuisinière suivant la revendication 1, caractérisée en ce que le circuit de commande comporte un microprocesseur (12) pour générer le fréquence de cycle.
EP90107003A 1989-04-21 1990-04-11 Fourneau électrique Expired - Lifetime EP0393506B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8905047U 1989-04-21
DE8905047U DE8905047U1 (de) 1989-04-21 1989-04-21 Elektrischer Kochherd

Publications (3)

Publication Number Publication Date
EP0393506A2 EP0393506A2 (fr) 1990-10-24
EP0393506A3 EP0393506A3 (fr) 1992-02-26
EP0393506B1 true EP0393506B1 (fr) 1995-03-01

Family

ID=6838534

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90107003A Expired - Lifetime EP0393506B1 (fr) 1989-04-21 1990-04-11 Fourneau électrique

Country Status (2)

Country Link
EP (1) EP0393506B1 (fr)
DE (2) DE8905047U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19941299A1 (de) * 1999-08-31 2001-03-01 Eckhard Wahl Steuerung der Wärmeregelung einer Kochplatte am E-Herd mit elektronischem Zeitschaltglied, kombiniert mit Wärmefühler

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1570916A (en) * 1976-02-06 1980-07-09 Nippon Steel Corp Method of induction heating of metal materials
DE2705528A1 (de) * 1977-02-10 1978-08-24 Weiss Kg Alfons Vorrichtung zum steuern von vorzugsweise elektrischen heizgeraeten
DE2731782C2 (de) * 1977-07-14 1983-04-21 E.G.O.- Regeltechnik GmbH, 7519 Oberderdingen Steuergerät für Elektrokochplatten
US4282422A (en) * 1979-02-01 1981-08-04 General Electric Company Power control for appliance using multiple high inrush current elements

Also Published As

Publication number Publication date
DE8905047U1 (de) 1990-08-23
EP0393506A3 (fr) 1992-02-26
DE59008560D1 (de) 1995-04-06
EP0393506A2 (fr) 1990-10-24

Similar Documents

Publication Publication Date Title
DE2922003C2 (fr)
EP2034800B1 (fr) Commutateur de dispositif de cuisson
EP2177076B1 (fr) Plaque de cuisson comportant une multitude d'éléments chauffants et procédé d'exploitation de la plaque de cuisson
EP0722261A1 (fr) Cuisinière avec plaque à rayonnement et plaque à induction
DE2605533B2 (de) Elektronische Steuereinrichtung für Elektroherde
WO2008055370A1 (fr) Procédé de commande d'un appareil de cuisson par induction, et appareil de cuisson par induction
DE102019202991A1 (de) Verfahren zur Ansteuerung einer Induktionsspule und Induktionsspulenvorrichtung
DE3529699C2 (fr)
DE102012220324A1 (de) Induktionsheizvorrichtung
DE19708335B4 (de) Heizleistungsregulierung für Induktionskochherd
EP0286044B1 (fr) Circuit pour l'alimentation en courant d'une plaque de cuisson par induction
EP0828406A1 (fr) Dispositif pour limiter et distribuer la puissance électrique consommée par une cuisinière
EP0393506B1 (fr) Fourneau électrique
EP0561207A2 (fr) Commande d'une plaque de cuisson à induction
DE2705528A1 (de) Vorrichtung zum steuern von vorzugsweise elektrischen heizgeraeten
EP2506673B1 (fr) Plaque de cuisson a induction
AT5955U2 (de) Kochgerät
DE69836478T3 (de) Mehrzweck-Induktionskochherd
EP1103021B1 (fr) Support de circuit a elements de commande communiquant par des lignes bus
DE4038560A1 (de) Verfahren zur leistungssteuerung eines aus mikrowellen-und induktions-beheizung bestehenden kochsystems und vorrichtung zur durchfuehrung des verfahrens
EP3641494B1 (fr) Dispositif formant appareil de cuisson
DE102012201237A1 (de) Hausgerätevorrichtung
EP1494505B1 (fr) Méthode et dispositif de régulation de puissance pour plaques à inductions
EP0321767A2 (fr) Disposition pour le traitement électrothermique des aliments
EP3641497A1 (fr) Dispositif formant appareil de cuisson

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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB IT

17P Request for examination filed

Effective date: 19920307

17Q First examination report despatched

Effective date: 19920624

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REF Corresponds to:

Ref document number: 59008560

Country of ref document: DE

Date of ref document: 19950406

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19950329

ITF It: translation for a ep patent filed

Owner name: STUDIO JAUMANN

ET Fr: translation filed
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
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19960409

Year of fee payment: 7

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

Ref country code: GB

Effective date: 19970411

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19970411

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

Ref country code: FR

Payment date: 20050225

Year of fee payment: 16

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

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050411

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

Ref country code: DE

Payment date: 20050621

Year of fee payment: 16

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

Ref country code: DE

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

Effective date: 20061101

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20061230

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

Ref country code: FR

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

Effective date: 20060502