EP2945461A1 - Dispositif d'appareil de cuisson - Google Patents

Dispositif d'appareil de cuisson Download PDF

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Publication number
EP2945461A1
EP2945461A1 EP15159602.0A EP15159602A EP2945461A1 EP 2945461 A1 EP2945461 A1 EP 2945461A1 EP 15159602 A EP15159602 A EP 15159602A EP 2945461 A1 EP2945461 A1 EP 2945461A1
Authority
EP
European Patent Office
Prior art keywords
frequency
inverters
control unit
value
inverter
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
EP15159602.0A
Other languages
German (de)
English (en)
Other versions
EP2945461B1 (fr
Inventor
Carlos Franco Gutierrez
Sergio Llorente Gil
Carlos Sagües Blázquiz
Fernando Sanz Serrano
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 EP2945461A1 publication Critical patent/EP2945461A1/fr
Application granted granted Critical
Publication of EP2945461B1 publication Critical patent/EP2945461B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Definitions

  • heating configuration is to be understood in particular as an arrangement of at least two heating elements which are in operation at a given time, wherein in particular each of the at least two heating elements is supplied with energy, in particular electrical energy, by at least one of the at least two inverters ,
  • the control unit is provided to heat a first heating configuration at a first time and to operate a second heating configuration in at least one second time different from the at least one first time, which differs in particular from the first heating configuration.
  • control unit when heating at least one heating configuration, to operate at least one particular inverter "continuously" at a specific frequency, it should be understood that the control unit controls the at least one particular inverter at any time during heating which operates at least one heating configuration having the specific frequency, wherein the at least one particular inverter advantageously has a non-zero, in particular average, output power at any time during the heating of the at least one heating configuration.
  • a “target power” should be understood in particular to be aimed for, in particular to be achieved value of a power.
  • a "predetermined” target power is to be understood in particular as meaning a target power which is determined directly by an operator, for example by inputting a value of a power by means of an operating unit, and / or which is indirectly determined by an operator, for example by selecting a cooking program the control unit and / or by means of setting a heating level by means of the control unit, and / or which is determined in particular by an electronic unit, such as by the control unit and / or by another control unit and / or by a computer.
  • the control unit is in particular provided to set a first setpoint power for the first inverter and a second setpoint power for the second inverter depending on an operator input.
  • a "given fixed" frequency should in particular be understood to mean a frequency which varies in the at least one operating state and in particular within a time interval by a maximum of 10%, in particular by a maximum of 5% and advantageously by a maximum of 2% of a value of the frequency, and / or in the at least one operating state and in particular within a time interval by a value of at most 1 kHz, in particular of maximally 0.5 kHz, advantageously of a maximum of 0.3 kHz and preferably of a maximum of 0.1 kHz.
  • the time interval here has a duration of at least 10 s, in particular of at least 20 s, advantageously of at least 40 s, particularly advantageously of at least 60 s and preferably of at least 120 s.
  • the cooking appliance device 10 comprises two inverters 12, 14 (cf. Fig. 2 ).
  • the cooking appliance device could include an inverter for each of the heating elements.
  • Each inverter 12, 14 has two switches 20.
  • the switches 20 of each of the inverters 12, 14 are connected in series and designed in particular as bidirectional unipolar switches 20.
  • Each switch 20 has a transistor and a diode connected in parallel.
  • the cooking appliance apparatus 10 includes, for each of the switches 20, a snubber capacitor 18 connected in parallel with the corresponding switch 20 of an inverter 12, 14.
  • the control unit 16 selects the first frequency f 1 and the second frequency f 2 according to the condition that an amount of a difference of an integer multiple n of the first frequency f 1 and an integer multiple m of the second frequency f 2 either assumes a value of at least 17 kHz or substantially zero.
  • This applies to all values of integer multiples n, m from the range of positive integers greater than or equal to 1 to N. In mathematical terms, this means ⁇ n ⁇ f 1 - m ⁇ f 2 ⁇ 17 kHz OR n ⁇ f 1 - m ⁇ f 2 ⁇ 0 ⁇ n . m ⁇ ⁇ 1 . 2 . 3 . ... N

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Induction Heating Cooking Devices (AREA)
EP15159602.0A 2014-03-24 2015-03-18 Dispositif d'appareil de cuisson Active EP2945461B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201430404 2014-03-24

Publications (2)

Publication Number Publication Date
EP2945461A1 true EP2945461A1 (fr) 2015-11-18
EP2945461B1 EP2945461B1 (fr) 2017-05-10

Family

ID=52991449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15159602.0A Active EP2945461B1 (fr) 2014-03-24 2015-03-18 Dispositif d'appareil de cuisson

Country Status (1)

Country Link
EP (1) EP2945461B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019135118A1 (fr) * 2018-01-08 2019-07-11 BSH Hausgeräte GmbH Système de table de cuisson

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005043737A2 (fr) 2003-11-03 2005-05-12 BSH Bosch und Siemens Hausgeräte GmbH Procede d'utilisation d'un circuit de convertisseur
EP2469971A1 (fr) * 2010-12-27 2012-06-27 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'appareil de cuisson
EP2506664A1 (fr) * 2011-03-28 2012-10-03 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'appareil de cuisson

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005043737A2 (fr) 2003-11-03 2005-05-12 BSH Bosch und Siemens Hausgeräte GmbH Procede d'utilisation d'un circuit de convertisseur
EP2469971A1 (fr) * 2010-12-27 2012-06-27 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'appareil de cuisson
EP2506664A1 (fr) * 2011-03-28 2012-10-03 BSH Bosch und Siemens Hausgeräte GmbH Dispositif d'appareil de cuisson

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019135118A1 (fr) * 2018-01-08 2019-07-11 BSH Hausgeräte GmbH Système de table de cuisson

Also Published As

Publication number Publication date
EP2945461B1 (fr) 2017-05-10

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