EP3895502A1 - An induction heating cooker - Google Patents

An induction heating cooker

Info

Publication number
EP3895502A1
EP3895502A1 EP19798062.6A EP19798062A EP3895502A1 EP 3895502 A1 EP3895502 A1 EP 3895502A1 EP 19798062 A EP19798062 A EP 19798062A EP 3895502 A1 EP3895502 A1 EP 3895502A1
Authority
EP
European Patent Office
Prior art keywords
cooker
parameters
gas
memory
induction
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.)
Withdrawn
Application number
EP19798062.6A
Other languages
German (de)
French (fr)
Inventor
Mehmet Cakmak
Melih BILGEN
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP3895502A1 publication Critical patent/EP3895502A1/en
Withdrawn legal-status Critical Current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

Definitions

  • the present invention relates to an induction heating device, in particular to a cooker.
  • the induction heating devices are gradually more used as cooktops due to the quick, economical, safe and clean heating methods thereof.
  • Induction heating is created with the joule effect on the resistance produced as a result of the penetration depth determined by the frequency of the alternative currents of the electromagnetically inducted eddy currents of a coil generating high frequency magnetic field on a conductive metal cooking container (pot, pan etc.) having ferromagnetic features.
  • the desired power adjustment for the suitable cooking container can be realized by changing the frequency of the alternative current.
  • the container desired to be heated has to be electrically conductive and produced from low density carbon steel, cast iron and magnetic inoxidizable materials with ferromagnetic features.
  • a certain number of coils are positioned under a glass surface so as to form the heating surface.
  • the coils are positioned in various configurations.
  • one or more than one coil designed to be one within the other at the regions determined by serigraphy on the glass surface heats a single cooking container.
  • One of the problems encountered in the state of the art is to form coil structures which accommodate best the cooking containers which are produced in very different diameters and shapes and from different materials.
  • Another problem with the state of the art induction heating cookers is the necessity to operate the high power and large diameter coils together with smaller diameter coils in the most efficient manner.
  • the power to be transferred to the cooking container also increases. For example, if the power to be transferred per unit cooking container is desired to be increased then the number of coils also has to be decreased.
  • the position and geometry of the cooking container is desired to be detected on the entire surface, lower amount of power can be provided to small diameter cooking containers since the number of coils has to be decreased this time.
  • One of the most important problems encountered in optimizing these values is the loss generated in the coils especially by high powers and thermal management.
  • the efficiency of the induction heating cookers is very high. Since the heat transfer in the induction heating cookers is carried out twice as fast as the electric or gas cookers, the user who starts to using an induction heating cooker finds it difficult to prepare dishes as usual and the desired performance cannot be obtained in the desired duration. Therefore, the induction heating cookers cannot be used or cause the user to have bad experience in particular in special days.
  • a cooker which contains induction, gas and electric heaters together.
  • a cooker is disclosed, which is operated in the gas mode if containers used on gas or electric heaters are used on induction heating cookers so as to prevent said containers from being damaged.
  • the gas mode is performed by using an additional coil which has a different number of windings.
  • the aim of the present invention is the realization of an induction heating cooker which provides an efficient cooking process.
  • the induction heating cooker realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a memory wherein cooking parameters of gas or electric cookers are recorded; a selector; and a control unit which changes the existing cooking parameters according to the gas or electric cooker cooking parameters recorded in the memory and applies the same when the selector is triggered.
  • the producer conducts experiments wherein information on the time and energy and similar parameters required for heating a certain amount of water to a certain temperature in gas or electric cookers is gathered. Said parameters gathered in relation to the gas or electric cookers are recorded in the memory as the gas or electric cooker mode.
  • the operational parameters of the induction heater are changed with the parameters related to the gas or electric cooker mode, and thus the induction heaters are operated according to said mode.
  • the producer conducts an experiment wherein two liters of water is heated from 20° to 95° in a gas cooker and parameters such as time, energy and the like gathered during said experiment are recorded in the memory.
  • the producer conducts an experiment wherein two liters of water is heated from 20° to 95° in an electric cooker and parameters such as time, energy and the like gathered during said experiment are recorded in the memory.
  • all the induction heaters or one or more than one induction heater selected by the producer are/is operated according to the parameters related to the gas or electric cooker mode.
  • the user is enabled to carry out the cooking process in the induction heating cooker according to his/her habits with the gas or electric cooker.
  • the adaptation period of the users to the induction heating cooker, who had a gas or electric cooker previously, is shortened, and dishes meticulously prepared during this period are enabled to be cooked without experiencing any negative situations.
  • Figure 1 - is the schematic view of an induction heating cooker.
  • the cooker (1) of the present invention comprises at least one induction heater (3); a top plate (2) the entire surface of which is heated and whereon cooking containers suitable for induction heating are placed; a memory (5) wherein cooking parameters of gas or electric cookers are recorded; a selector (4); and a control unit (6) which changes the existing cooking parameters according to the gas or electric cooker cooking parameters recorded in the memory (5) and applies the same when the selector (4) is triggered ( Figure 1).
  • the cooker (1) of the present invention starts to operate as the induction heaters (3) are driven by the power source according to the time and power level data entered by the user via the control unit (6) after the container is placed onto the top plate (2).
  • the producer gathers information on the parameters related to the time and energy required for a certain amount of water to reach a certain temperature by means of experiments conducted on the gas or electric cookers, and said parameters are recorded in the memory (5) by the producer.
  • the control unit (6) changes the normal operational parameters of the induction heater (3) with the parameters related to the gas or electric cooker mode prerecorded in the memory (5), and operates the induction heater (3).
  • the user is enabled to carry out the cooking process in the cooker (1) with the induction heater (3) according to his/her habits with the gas or electric cooker.
  • the producer conducts an experiment wherein two liters of water is heated from 20° to 95° in a gas cooker and parameters such as time, energy and the like gathered during said experiment are recorded in the memory (5).
  • the producer conducts an experiment wherein two liters of water is heated from 20° to 95° in an electric cooker and parameters such as time, energy and the like gathered during said experiment are recorded in the memory (5).
  • the cooker (1) comprises a plurality of induction heaters (3).
  • the control unit (6) changes the normal operational parameters of the induction heater (3) with the parameters related to the gas or electric cooker mode prerecorded in the memory (5), and all the induction heaters (3) are operated according to said parameters.
  • the cooker (1) comprises a plurality of induction heaters (3), and when the user triggers the selector (4) provided on the top plate (2), the control unit (6) changes the normal operational parameters of the induction heater (3) with the parameters related to the gas or electric cooker mode prerecorded in the memory (5), and one or more than one induction heater (3) determined by the producer is operated according to said parameters.
  • the selector (4) is a touch button.
  • the user is enabled to carry out the cooking process in the cooker (1) with the induction heater (3) according to his/her habits with the gas or electric cooker.
  • the adaptation period of the users to the cooker (1) with the induction heater (3), who had a gas or electric cooker previously, is shortened, and dishes meticulously prepared during this period are enabled to be cooked without experiencing any negative situations.

Landscapes

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

Abstract

The present invention relates to a cooker (1) comprising at least one induction heater (3); a top plate (2) the entire surface of which is heated and whereon cooking containers suitable for induction heating are placed; a memory (5) wherein cooking parameters of gas or electric cookers are recorded; a selector (4); and a control unit (6) which changes the existing cooking parameters according to the gas or electric cooker cooking parameters recorded in the memory (5) and applies the same when the selector (4) is triggered.

Description

    AN INDUCTION HEATING COOKER
  • The present invention relates to an induction heating device, in particular to a cooker.
  • The induction heating devices are gradually more used as cooktops due to the quick, economical, safe and clean heating methods thereof. Induction heating is created with the joule effect on the resistance produced as a result of the penetration depth determined by the frequency of the alternative currents of the electromagnetically inducted eddy currents of a coil generating high frequency magnetic field on a conductive metal cooking container (pot, pan etc.) having ferromagnetic features. The desired power adjustment for the suitable cooking container can be realized by changing the frequency of the alternative current. In order to use an induction heating cooker, the container desired to be heated has to be electrically conductive and produced from low density carbon steel, cast iron and magnetic inoxidizable materials with ferromagnetic features.
  • In the induction heating cooktops, a certain number of coils are positioned under a glass surface so as to form the heating surface. There are a large number of embodiments in state of the art wherein the coils are positioned in various configurations. In these embodiments, one or more than one coil designed to be one within the other at the regions determined by serigraphy on the glass surface heats a single cooking container. One of the problems encountered in the state of the art is to form coil structures which accommodate best the cooking containers which are produced in very different diameters and shapes and from different materials.
  • Another problem with the state of the art induction heating cookers is the necessity to operate the high power and large diameter coils together with smaller diameter coils in the most efficient manner. Moreover, as the size of the cooking container increases, the power to be transferred to the cooking container also increases. For example, if the power to be transferred per unit cooking container is desired to be increased then the number of coils also has to be decreased. On the contrary, if the position and geometry of the cooking container is desired to be detected on the entire surface, lower amount of power can be provided to small diameter cooking containers since the number of coils has to be decreased this time. One of the most important problems encountered in optimizing these values is the loss generated in the coils especially by high powers and thermal management.
  • In the induction heating cookers, since the heat required for cooking is generated on the cooking container not on the heat sources on the cooker, the efficiency of the induction heating cookers is very high. Since the heat transfer in the induction heating cookers is carried out twice as fast as the electric or gas cookers, the user who starts to using an induction heating cooker finds it difficult to prepare dishes as usual and the desired performance cannot be obtained in the desired duration. Therefore, the induction heating cookers cannot be used or cause the user to have bad experience in particular in special days.
  • In the state of the International Patent Application No. WO2011069290, a cooker is disclosed, which contains induction, gas and electric heaters together.
  • Another state of the art embodiment is explained in the Chinese Patent Application No. CN106287854. In this embodiment, a cooker is disclosed, which is operated in the gas mode if containers used on gas or electric heaters are used on induction heating cookers so as to prevent said containers from being damaged. The gas mode is performed by using an additional coil which has a different number of windings.
  • The aim of the present invention is the realization of an induction heating cooker which provides an efficient cooking process.
  • The induction heating cooker realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a memory wherein cooking parameters of gas or electric cookers are recorded; a selector; and a control unit which changes the existing cooking parameters according to the gas or electric cooker cooking parameters recorded in the memory and applies the same when the selector is triggered.
  • In the embodiment of the present invention, the producer conducts experiments wherein information on the time and energy and similar parameters required for heating a certain amount of water to a certain temperature in gas or electric cookers is gathered. Said parameters gathered in relation to the gas or electric cookers are recorded in the memory as the gas or electric cooker mode. When the user triggers the selector on the top plate, the operational parameters of the induction heater are changed with the parameters related to the gas or electric cooker mode, and thus the induction heaters are operated according to said mode.
  • In an embodiment of the present invention, the producer conducts an experiment wherein two liters of water is heated from 20° to 95° in a gas cooker and parameters such as time, energy and the like gathered during said experiment are recorded in the memory.
  • In another embodiment of the present invention, the producer conducts an experiment wherein two liters of water is heated from 20° to 95° in an electric cooker and parameters such as time, energy and the like gathered during said experiment are recorded in the memory.
  • In an embodiment of the present invention, all the induction heaters or one or more than one induction heater selected by the producer are/is operated according to the parameters related to the gas or electric cooker mode.
  • By means of the present invention, the user is enabled to carry out the cooking process in the induction heating cooker according to his/her habits with the gas or electric cooker. Moreover, by means of the present invention, the adaptation period of the users to the induction heating cooker, who had a gas or electric cooker previously, is shortened, and dishes meticulously prepared during this period are enabled to be cooked without experiencing any negative situations.
  • An induction heating cooker realized in order to attain the aim of the present invention is illustrated in the attached figure, where:
  • Figure 1 - is the schematic view of an induction heating cooker.
  • The elements illustrated in the figures are numbered as follows:
    1. Cooker
    2. Top plate
    3. Induction heater
    4. Selector
    5. Memory
    6. Control unit
  • The cooker (1) of the present invention comprises at least one induction heater (3); a top plate (2) the entire surface of which is heated and whereon cooking containers suitable for induction heating are placed; a memory (5) wherein cooking parameters of gas or electric cookers are recorded; a selector (4); and a control unit (6) which changes the existing cooking parameters according to the gas or electric cooker cooking parameters recorded in the memory (5) and applies the same when the selector (4) is triggered (Figure 1).
  • The cooker (1) of the present invention starts to operate as the induction heaters (3) are driven by the power source according to the time and power level data entered by the user via the control unit (6) after the container is placed onto the top plate (2). The producer gathers information on the parameters related to the time and energy required for a certain amount of water to reach a certain temperature by means of experiments conducted on the gas or electric cookers, and said parameters are recorded in the memory (5) by the producer. When the user triggers the selector (4) provided on the top plate (2), the control unit (6) changes the normal operational parameters of the induction heater (3) with the parameters related to the gas or electric cooker mode prerecorded in the memory (5), and operates the induction heater (3). Thus, the user is enabled to carry out the cooking process in the cooker (1) with the induction heater (3) according to his/her habits with the gas or electric cooker.
  • In an embodiment of the present invention, the producer conducts an experiment wherein two liters of water is heated from 20° to 95° in a gas cooker and parameters such as time, energy and the like gathered during said experiment are recorded in the memory (5).
  • In another embodiment of the present invention, the producer conducts an experiment wherein two liters of water is heated from 20° to 95° in an electric cooker and parameters such as time, energy and the like gathered during said experiment are recorded in the memory (5).
  • In an embodiment of the present invention, the cooker (1) comprises a plurality of induction heaters (3). When the user triggers the selector (4) provided on the top plate (2), the control unit (6) changes the normal operational parameters of the induction heater (3) with the parameters related to the gas or electric cooker mode prerecorded in the memory (5), and all the induction heaters (3) are operated according to said parameters.
  • In another embodiment of the present invention, the cooker (1) comprises a plurality of induction heaters (3), and when the user triggers the selector (4) provided on the top plate (2), the control unit (6) changes the normal operational parameters of the induction heater (3) with the parameters related to the gas or electric cooker mode prerecorded in the memory (5), and one or more than one induction heater (3) determined by the producer is operated according to said parameters.
  • In an embodiment of the present invention, the selector (4) is a touch button.
  • By means of the present invention, the user is enabled to carry out the cooking process in the cooker (1) with the induction heater (3) according to his/her habits with the gas or electric cooker. Moreover, by means of the present invention, the adaptation period of the users to the cooker (1) with the induction heater (3), who had a gas or electric cooker previously, is shortened, and dishes meticulously prepared during this period are enabled to be cooked without experiencing any negative situations.

Claims (5)

  1. A cooker (1) comprising at least one induction heater (3) and a top plate (2) the entire surface of which is heated and whereon cooking containers suitable for induction heating are placed, characterized by a memory (5) wherein cooking parameters of gas or electric cookers are recorded; a selector (4); and a control unit (6) which changes the existing cooking parameters according to the gas or electric cooker cooking parameters recorded in the memory (5) and applies the same when the selector (4) is triggered.
  2. A cooker (1) as in Claim 1, characterized by the memory (5) wherein the producer records the parameters such as time, energy and the like required for heating two liters of water from 20° to 95° in a gas cooker.
  3. A cooker (1) as in Claim 1, characterized by the memory (5) wherein the producer records the parameters such as time, energy and the like required for heating two liters of water from 20° to 95° in an electric cooker.
  4. A cooker (1) as in Claim 1, comprising a plurality of induction heaters (3), characterized by the control unit (6) which, when the user triggers the selector (4) provided on the top plate (2), changes the normal operational parameters of the induction heater (3) with the parameters related to the gas or electric cooker mode prerecorded in the memory (5), and operates all the induction heaters (3) according to said parameters.
  5. A cooker (1) as in Claim 1, comprising a plurality of induction heaters (3), characterized by the control unit (6) which, when the user triggers the selector (4) provided on the top plate (2), changes the normal operational parameters of the induction heater (3) with the parameters related to the gas or electric cooker mode prerecorded in the memory (5), and operates one or more than one induction heater (3) determined by the producer according to said parameters.
EP19798062.6A 2018-12-11 2019-11-04 An induction heating cooker Withdrawn EP3895502A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201819086 2018-12-11
PCT/EP2019/080054 WO2020120030A1 (en) 2018-12-11 2019-11-04 An induction heating cooker

Publications (1)

Publication Number Publication Date
EP3895502A1 true EP3895502A1 (en) 2021-10-20

Family

ID=68461794

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19798062.6A Withdrawn EP3895502A1 (en) 2018-12-11 2019-11-04 An induction heating cooker

Country Status (2)

Country Link
EP (1) EP3895502A1 (en)
WO (1) WO2020120030A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2331037B1 (en) * 2007-10-25 2010-09-21 Bsh Electrodomesticos España, S.A. COOKING FIELD AND PROCEDURE FOR THE OPERATION OF A COOKING FIELD.
WO2011069290A1 (en) 2009-12-10 2011-06-16 Xian Maozhong Electric cooking stove with multiple heating modes
SE1000509A1 (en) * 2010-05-14 2010-09-02 Electrolux Ab Portable Induction Device
EP2506662B1 (en) * 2011-04-02 2016-09-07 Electrolux Home Products Corporation N.V. An induction cooking hob with a pot detection device and a method for operating an induction cooking hob
CN106287854B (en) 2016-10-08 2018-07-06 东莞理工学院 Preparation method, device and its control system of deformable plano-concave induction cooker

Also Published As

Publication number Publication date
WO2020120030A1 (en) 2020-06-18

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