EP3836746A1 - Délégation de commande dans un processus de cuisson automatique en boucle - Google Patents

Délégation de commande dans un processus de cuisson automatique en boucle Download PDF

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Publication number
EP3836746A1
EP3836746A1 EP19215902.8A EP19215902A EP3836746A1 EP 3836746 A1 EP3836746 A1 EP 3836746A1 EP 19215902 A EP19215902 A EP 19215902A EP 3836746 A1 EP3836746 A1 EP 3836746A1
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EP
European Patent Office
Prior art keywords
cooktop
control
cookware
cooking
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.)
Granted
Application number
EP19215902.8A
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German (de)
English (en)
Other versions
EP3836746C0 (fr
EP3836746B1 (fr
Inventor
Peter Favrholdt
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.)
Ztove Aps
Original Assignee
Ztove Aps
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 Ztove Aps filed Critical Ztove Aps
Priority to EP19215902.8A priority Critical patent/EP3836746B1/fr
Priority to EP24173024.1A priority patent/EP4387394A3/fr
Publication of EP3836746A1 publication Critical patent/EP3836746A1/fr
Application granted granted Critical
Publication of EP3836746C0 publication Critical patent/EP3836746C0/fr
Publication of EP3836746B1 publication Critical patent/EP3836746B1/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
    • 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
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/0252—Domestic applications
    • H05B1/0258—For cooking
    • H05B1/0261—For cooking of food
    • 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
    • H05B2213/06—Cook-top or cookware capable of communicating with each other
    • 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
    • H05B2213/07—Heating plates with temperature control means

Definitions

  • the present invention relates to cooking by an induction cooktop with improved control, smart temperature regulation, and safety. Specifically, the invention is directed to using cookware with integrated sensors (e.g., measuring the cooking temperature), induction cooktops having advanced controls such as integrated digital modules and remote control, and external devices/apps for smart and safe cooking.
  • temperature control is achieved by employing a temperature sensor specially implemented inside the cookware, e.g., in the bottom layer of the pan or pot.
  • the cookware control electronics read an instant temperature value from the sensor and sends it to the induction cooktop or an external smart device and application (e.g. in a smartphone) controlling operation of the cooktop. Therefore, the induction cooktop is controlled by an algorithm determining how much power to supply to the heating coil to achieve the desired temperature in the cookware.
  • Induction cooktops usually have several heating zones and a control module with manual setting of heating levels in the zones. Induction cooktops comprise also safety means in the cooking process. Some advanced induction cooktops are arranged easy to switch on or off automatically, some others feature built-in timers, built-in temperature sensors, and even remote control from simple smartphone apps.
  • the complexity of smart cooking may exceed the convenience and reduce safety.
  • the controlling smartphone can discharge or the controlling application can disconnect from the cooktop in the middle of the cooking process.
  • a cookware item providing its temperature indications to the cooktop can occasionally be displaced to another heating zone or its battery can discharge.
  • An operator may change in the middle of cooking when another cook comes to the kitchen with its own smart device/app to supervise further the cooking process. In such and similar complex situations an interruption of the cooking process or even burning the food or catching fire is possible.
  • the US patent/application US20170299195A1 discloses a cooktop fire prevention module with remote control cooking features.
  • a cooking appliance having a cooktop that is regulated by a fire prevention module is provided.
  • the fire prevention module includes a communication module that enables communication between the cooktop appliance and a remote device, such as a smartphone or tablet computer. Using this communication link, the fire prevention module can be used to expand the ability of a user to monitor and/or control the operation of the cooktop appliance from a remote location.
  • a user may monitor the temperature of a cooking utensil and initiate a particular cooking profile, or be notified when an unsafe cooking condition might be present and that the cooktop unit has been automatically deactivated to remedy the situation.
  • This is a simple extension to monitor and manage the cooktop operation remotely, e.g. when the operator is in another room.
  • the possibility of failure is not mitigated, e.g., if the external device stops to communicate with the cooktop.
  • Another patent application US20170122569A1 discloses a cooktop appliance control system and a method for operating a cooktop appliance is provided.
  • the method includes determining a temperature of a cooking utensil positioned on a heating element of the cooktop appliance, as well as determining a temperature of a food in the utensil positioned on the heating element of the cooktop appliance.
  • the method also includes calculating a temperature differential between the temperatures of the food in the cooking utensil and of the cooking utensil itself.
  • the method includes controlling a heating temperature of the heating element to reduce the temperature differential when the temperature differential is greater than a predetermined threshold to, e.g., reduce the risk of burning a portion of the food in the utensil.
  • a predetermined threshold e.g., reduce the risk of burning a portion of the food in the utensil.
  • One more patent application DE102017220958A1 / ES201631543A discloses a household appliance system with at least one domestic appliance (12), which has at least one internal communication unit (14), and at least one control unit (18) characterized in that it also comprises at least one external unit of communication (16), which is provided in at least one operating state for communicating with the internal communication unit (14), and in that the control unit (18) is provided to prevent control of the household appliance (12) by means of the external communication unit (16) depending on at least the relative position and/or at least the distance between the internal communication unit (14) and the external communication unit (16).
  • This invention monitors and prevents the operation from the remote controlling device/app the device/app it moves away too far from the cooktop. There was disclosed nothing about the support of automatic cooking by using a temperature control loop and more advanced functions.
  • EP3489583A1 / DE102017220815B4 disclosing a method for controlling a cooking appliance with an external control device.
  • this external control device gives control commands to the cooking appliance control.
  • the external controller is classified by the cooking appliance controller either as an automatic controller or as a manual controller, with its control commands being implemented by the cooking equipment controller after classification. During or after an operation of the cooking appliance, it is checked continuously or at intervals whether the classification still applies.
  • This patent application discloses only changing control by the external device modes - from the manual (by an operator) to automatic (by an app) and vice versa. In the case, if control is performed by the control module from cookware item, only the automatic control is applicable and no manual control is available then.
  • the reviewed prior art sources do not disclose the flexible management of multiple intelligent devices in complex smart cooking systems (comprising at least a cooktop, an external device/app, a cookware item).
  • External devices /apps can disappear from the network or be shut down, or some new external devices appear in the wireless network (for example, one user /app started cooking process with his smartphone, then leaves the kitchen and, therefore, needs transfer the cooking process to another user and his smartphone/app).
  • Cookware items can occasionally be displaced from one heating area to another one (or even to another cooktop) in the middle of the cooking process, or go to power saving mode where only thermal sensor data can be transmitted but no active control performed.
  • Most conventional induction cooktops have no digital wireless control or have only minimal modules arranged to receive external commands from external devices/apps.
  • This invention is directed to employ induction cooktops for smart cooking and safety throughout the cooking process until the food prepared and cooktop switched-off.
  • the invention discloses a method and system to control the cooking process precisely and safely, by delegating controls between or among intelligent devices, such as external devices/apps, digital control modules in the cooktop, cooktop heating zones, and smart cookware items.
  • Smart cookware items have their compact digital controls limited by data input, display, and power supply capabilities.
  • Smart external devices/apps e.g., smartphones, tablets, or standalone smart displays
  • Smart external devices/apps are flexible by software, compatible between cookware items and cooktop controls, allow to input and display versatile data, cook by sophisticated recipes, use cooking knowledge from Internet sources, however, they are limited due to interrupted controls and lack of "fail-safety".
  • the method of control delegation orchestrates the plurality of intelligent devices into the automated cooking process or processes, to work together in a controllable manner and safely. At one moment, one device has central control rights that at any time can be delegated to other devices to continue the cooking process. Otherwise, the method allows the cooking system to shut down the cooktop or its heating area automatically if no such devices were discovered or control conditions insufficient.
  • the system comprises several intelligent devices interacting by their functions throughout the cooking process.
  • Each device (cooktop, cookware item, and external device/app) has its control capabilities with certain limitations, altogether they complement each other for an automated control loop cooking process.
  • the device having a central control role of the automated loop cooking process can delegate its control functions to other devices in the control loop.
  • the digital module of the cooktop control provides an integrated fail-safe module which can monitor external devices and accept commands from the controlling devices, also it can control the cooking process by itself, and eventually switch-off the cooktop if the cooking process finished or safety issues were detected.
  • the digital module is arranged into a conventional cooktop allowing the cooktop to be controlled by external means, e. g., by smart cookware items or external devices/apps (e.g., smartphones or smart displays).
  • This description discloses details of the control delegation method in an automated control loop cooking process, a cooking system employing a said method, and a digital control module 19 implemented into a conventional induction cooktop 1 thus allowing such a modified cooktop to use safely in said the system and with said method.
  • the digital control module in a cooktop comprises a digital control module 19 arranged to take part in an automatic control loop cooking process.
  • Module 19 is embedded in between the native User Interface Panel (UIP)/Manual control module 18 of the induction cooktop 1 and the power electronics (POWER) board or Induction heating coil controller 16 which controls the power supply to induction coils 15 for heating the cookware 3.
  • UIP User Interface Panel
  • POWER power electronics
  • the digital control module 19 passes through or intercepts and modifies certain signals of the digital and analog communication between the UI panel 18 and the POWER board 16. As a part of the present invention, module 19 provides the following features:
  • Module 19 comprises an interface block 20 with programmable logics, digital processor 21, and wireless communication 22 block supporting one or more communication standards, e. g., Wi-Fi, Bluetooth, Infrared, etc.
  • the module 19, once implemented into the cooktop 1, is accessible remotely via the wireless network, e.g., responds with Web interface for setting further control configurations.
  • the method describes central control delegation in the control loop from an external control device/app 4 to the induction cooktop 1, cookware 3, or another external device/app 4.
  • the cooking system is considered to have sufficient digital control means to control the automated loop cooking process and to take over the central control function when the controlling device (e.g. 4) leaves the loop 6.
  • Such substitute controlling devices can be cooktop 1 with the digital control module 19, smart cookware item 3 having integrated sensor 11 with control electronics 12 and digital processor 14, and other external devices/apps 4 in the wireless network.
  • control loops 6, 7 on different heating areas/zones 2 of the cooktop 1, with several cookware items 3 and with more than one external device/apps 4.
  • the remote or external devices 4 can be personal smart devices such as smartphones, tablets, or smart local terminals with wireless connection for input/output (touchscreen), Internet access and located in the kitchen nearby the cooktop 1 for operating it.
  • the control module 19 of the cooktop 1 and control modules 12 of cookware items 3 in real practice lack features of extensive data input and output. Therefore, the initial data input and setup of a more sophisticated cooking process is convenient via the external devices/apps 4. Further, the initialized setup can be changed to be done automatically in a closed control loop by the external device/app 4 which controls the cookware items 3 and cooktop heating zones 2 accordingly to the cooking process steps, temperature settings, and provides indications to the operator/cook, etc.
  • the cooking process control may be useful and safer to delegate from the external/device/app 4 to the cooktop 1 or/and the cookware item 3 or another external device/app (for example, to another person), or another cooktop (for example, between two cooktops in a shared kitchen).
  • the smartphone 4 was shut down, disconnected, or the operator has temporarily left the kitchen together with his/her smartphone 4.
  • the delegation of central control is arranged for other devices being able to control the cooking process. According to the present invention, the delegation is done by several steps as per example:
  • the automated loop control modes can be mixed on a single cooktop for several cookware items as in FIG. 1 .
  • One cookware item can cook the food autonomously in local-mode 7, while another cookware is in App mode 6 with an external device/app 4, while third one is in App mode 6 with another external device/app 4, while the forth cookware item 3 can be in Local mode 7 but only sending the temperature data to the cooktop 1 and cooktop digital module 19 fully estimates control means and controls the cooking process.
  • control delegation is for the cooking temperature controlling process.
  • the cookware 3 communicates with the external device/app 4, e.g., using Bluetooth Low Energy (BLE).
  • BLE Bluetooth Low Energy
  • the application 4 controls the cooktop 1 and the power delivered from the cooktop heating coil 15 to the cookware item 3.
  • the digital control module is embedded in the cooktop.
  • the temperature can be set to within ⁇ 1°C precision.
  • the app connects to the cooktop.
  • the app connects to the cookware.
  • the app controls the heat and guides the user to cook more delicious food.
  • the app controls the cooktop and heating of the cookware.
  • the app now knows the exact temperature. Our sensors, radio module and electronics are embedded in the cookware.
  • the external device/app 4 is connected remotely to both the cookware item 3 and the cooktop 1.
  • the automated control loop works repeatedly by these steps:
  • the cooktop 1 is connected by wireless connection directly to the cookware 3, and the following steps are performed:
  • the cooking system with control delegation operates by employing the method of control delegation described above and, therefore, comprises at least 2 control nodes (cooktop digital controller 19, cookware item controller 12 and external device/app 4) which can interact mutually to take over automated control of the cooking temperature in a flexible and safe way along the entire cooking process until the food is prepared and the cooktop 1 is switched-off and a certain indication signal is provided (sound, message, light, etc.).
  • cooktop digital controller 19 and cookware item 3 can be different due to taking over the automated loop control.
  • the cookware item 3 can have a simplified controller 12 which only responds to the request for the temperature indication but is not able to take over control of the cooking process.
  • the cooktop controller 19 can also be a simple integrated controller that accepts only remote commands for changing the power supply to induction coils 15. In the case, if only the external device/app 4 can control the cooking process, then a delegation of the control in the loop 6 is not possible, it is possible only to delegate the control to another external device/app 4. Therefore, at least one more suitable control node is required to be in the system - either in the cookware item 3 or the cooktop 1, or both.
  • Smart cookware items 3 having advanced control features and modules 12 can control the cooking process automatically and provide additional flexibility. For example, if the cookware item 3 with food inside has delegated control process from the external app 4, and started the automated temperature control loop, and afterward cookware item 3 was displaced by the operator/cook onto another cooktop 1 then the cookware item 3 can automatically initiate and continue the predefined cooking process also on the another cooktop 1.
  • delegation of control also describes the decentralization of role-based control systems.
  • control delegation in the automated loop cooking process concept described by this invention is considered as wide as possible practically, e.g. with multiple cooktops, heating zones, cookware items, automated loop cooking processes, external controlling devices/apps, cooks, etc.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Induction Heating Cooking Devices (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Cookers (AREA)
EP19215902.8A 2019-12-13 2019-12-13 Délégation de commande dans un processus de cuisson automatique en boucle Active EP3836746B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19215902.8A EP3836746B1 (fr) 2019-12-13 2019-12-13 Délégation de commande dans un processus de cuisson automatique en boucle
EP24173024.1A EP4387394A3 (fr) 2019-12-13 2019-12-13 Délégation de commande dans un processus de cuisson en boucle automatisé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19215902.8A EP3836746B1 (fr) 2019-12-13 2019-12-13 Délégation de commande dans un processus de cuisson automatique en boucle

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EP24173024.1A Division EP4387394A3 (fr) 2019-12-13 2019-12-13 Délégation de commande dans un processus de cuisson en boucle automatisé

Publications (3)

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EP3836746A1 true EP3836746A1 (fr) 2021-06-16
EP3836746C0 EP3836746C0 (fr) 2024-05-01
EP3836746B1 EP3836746B1 (fr) 2024-05-01

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EP24173024.1A Pending EP4387394A3 (fr) 2019-12-13 2019-12-13 Délégation de commande dans un processus de cuisson en boucle automatisé

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024094265A1 (fr) * 2022-11-04 2024-05-10 Ztove Aps Ustensiles de cuisson à induction permettant de fournir des instructions de puissance à une plaque de cuisson à induction
WO2024094266A1 (fr) * 2022-11-04 2024-05-10 Ztove Aps Système de cuisson par induction pour cuisson à long terme

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010080738A1 (fr) 2009-01-06 2010-07-15 Access Business Group International Llc Appareil de cuisson intelligent
EP2824395A2 (fr) 2013-07-10 2015-01-14 E.G.O. Elektro-Gerätebau GmbH Procédé de fonctionnement d'une hotte d'aspiration et hotte d'aspiration
WO2015032419A1 (fr) * 2013-09-03 2015-03-12 Arcelik Anonim Sirketi Dispositif de commande de batterie de cuisine individuelle destiné à être utilisé avec un appareil de cuisson à chauffage par induction, et système de cuisson sans fil le comprenant
US20150334785A1 (en) * 2014-05-15 2015-11-19 Cooktek Induction Systems, Llc Menu-based cooking appliance
US20170122569A1 (en) 2015-10-28 2017-05-04 General Electric Company Cooktop appliance control system
US20170299195A1 (en) 2016-04-19 2017-10-19 General Electric Company Cooktop Fire Prevention Module with Remote Control Cooking Features
DE102017220958A1 (de) 2016-12-02 2018-06-07 BSH Hausgeräte GmbH Haushaltsgerätesystem
DE102017220814A1 (de) 2017-11-22 2019-05-23 E.G.O. Elektro-Gerätebau GmbH Verfahren zur Steuerung eines Kochgeräts mit einem externen Steuergerät, Kochgerät und System
EP3489583A1 (fr) 2017-11-22 2019-05-29 E.G.O. ELEKTRO-GERÄTEBAU GmbH Procédé de commande d'un appareil de cuisson doté d'un appareil de commande externe, appareil de cuisson et système
EP3821769A1 (fr) 2019-11-18 2021-05-19 Ztove ApS Ustensiles de cuisson intelligents à utiliser sur des tables de cuisson à induction

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013104107A1 (de) * 2013-04-23 2014-10-23 Cuciniale Gmbh Verfahren zur Regelung eines Garprozesses
FR3018110B1 (fr) * 2014-02-28 2019-08-23 Seb S.A. Table de cuisson a induction communicante et procede de recherche et de suivi d'un article culinaire communicant sur ladite table
DE102016206912B4 (de) * 2016-04-22 2020-09-10 E.G.O. Elektro-Gerätebau GmbH Verfahren zur Steuerung eines Kochgerätes und Kochgerät

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010080738A1 (fr) 2009-01-06 2010-07-15 Access Business Group International Llc Appareil de cuisson intelligent
EP2824395A2 (fr) 2013-07-10 2015-01-14 E.G.O. Elektro-Gerätebau GmbH Procédé de fonctionnement d'une hotte d'aspiration et hotte d'aspiration
WO2015032419A1 (fr) * 2013-09-03 2015-03-12 Arcelik Anonim Sirketi Dispositif de commande de batterie de cuisine individuelle destiné à être utilisé avec un appareil de cuisson à chauffage par induction, et système de cuisson sans fil le comprenant
US20150334785A1 (en) * 2014-05-15 2015-11-19 Cooktek Induction Systems, Llc Menu-based cooking appliance
US20170122569A1 (en) 2015-10-28 2017-05-04 General Electric Company Cooktop appliance control system
US20170299195A1 (en) 2016-04-19 2017-10-19 General Electric Company Cooktop Fire Prevention Module with Remote Control Cooking Features
DE102017220958A1 (de) 2016-12-02 2018-06-07 BSH Hausgeräte GmbH Haushaltsgerätesystem
DE102017220814A1 (de) 2017-11-22 2019-05-23 E.G.O. Elektro-Gerätebau GmbH Verfahren zur Steuerung eines Kochgeräts mit einem externen Steuergerät, Kochgerät und System
EP3489583A1 (fr) 2017-11-22 2019-05-29 E.G.O. ELEKTRO-GERÄTEBAU GmbH Procédé de commande d'un appareil de cuisson doté d'un appareil de commande externe, appareil de cuisson et système
DE102017220815B4 (de) 2017-11-22 2019-06-19 E.G.O. Elektro-Gerätebau GmbH Verfahren zur Steuerung eines Kochgeräts mit einem externen Steuergerät, Kochgerät und System
EP3821769A1 (fr) 2019-11-18 2021-05-19 Ztove ApS Ustensiles de cuisson intelligents à utiliser sur des tables de cuisson à induction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024094265A1 (fr) * 2022-11-04 2024-05-10 Ztove Aps Ustensiles de cuisson à induction permettant de fournir des instructions de puissance à une plaque de cuisson à induction
WO2024094266A1 (fr) * 2022-11-04 2024-05-10 Ztove Aps Système de cuisson par induction pour cuisson à long terme

Also Published As

Publication number Publication date
EP3836746C0 (fr) 2024-05-01
EP3836746B1 (fr) 2024-05-01
EP4387394A2 (fr) 2024-06-19
EP4387394A3 (fr) 2024-08-28

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