WO2021008854A1 - Procédé et système de commande d'un appareil électroménager - Google Patents

Procédé et système de commande d'un appareil électroménager Download PDF

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Publication number
WO2021008854A1
WO2021008854A1 PCT/EP2020/067982 EP2020067982W WO2021008854A1 WO 2021008854 A1 WO2021008854 A1 WO 2021008854A1 EP 2020067982 W EP2020067982 W EP 2020067982W WO 2021008854 A1 WO2021008854 A1 WO 2021008854A1
Authority
WO
WIPO (PCT)
Prior art keywords
timer
threshold value
domestic appliance
power level
user
Prior art date
Application number
PCT/EP2020/067982
Other languages
English (en)
Inventor
Maike Meider
Claus Meider
Original Assignee
Electrolux Appliances Aktiebolag
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 Electrolux Appliances Aktiebolag filed Critical Electrolux Appliances Aktiebolag
Publication of WO2021008854A1 publication Critical patent/WO2021008854A1/fr

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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
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination

Definitions

  • the present invention relates to a method for controlling a do mestic appliance, particularly a cooking hob. Further, the pre sent invention relates to a system for controlling a domestic appliance, particularly a cooking hob.
  • the chief cause for a burning in a household is a fire on a cooking hob. Particularly, if the cooking hob is unattended dur ing a cooking process, then there is a real fire danger.
  • a dead man's button would confirm the presence of the user, if said dead man's button is continuously operated by the user. However, the continuous operation of the dead man' s button would limit the cooking activities of the user.
  • the object of the present invention is achieved by the method according to claim 1.
  • a method for controlling a domestic appliance, particularly a cooking hob comprises the steps of:
  • the main idea of the method according to the present invention is that the power level of the domestic appliance is reduced, if said domestic appliance has been left unattended for a certain time. This reduces the danger of a damage.
  • the stopping of the timer if the user has come back in time within the threshold value, allows that the user may leave the domestic appliance for arbitrary times.
  • the danger of fire is related to the tempera ture of food, fat and/or oil. The danger of fire increases with the power per area on the cooking hob.
  • the threshold value depends on the set power level, wherein said threshold value decreases with an increasing set power level.
  • the threshold value is 30 minutes for a minimum set power level, while said threshold value is about three minutes for a maximum set power level is maximum.
  • the threshold value of the timer may be modified by the user. If the cooking time is very long, e.g. more than 30 minutes, then the user may manually extend the threshold value of the timer.
  • the timer can be started by the user.
  • the possibility of the manual start increases the reliability of the system.
  • the manual start of the timer may compensate a dysfunction of the sensor.
  • the time counted by the timer may be displayed on the domestic appliance.
  • the signal is an acoustic and/or optical signal.
  • the threshold value is between 20 and 40 minutes, preferably about 30 minutes, if the set power level is minimum, while said threshold value is between one and five minutes, preferably about three minutes, if the set power level is maxi mum.
  • a domestic appliance particularly a cooking hob
  • said system comprises:
  • At least one timer for counting the time, in which the do mestic appliance is left unattended, wherein said timer is startable either automatically, if the domestic appliance is left unattended, or manually by the user, e.g. by setting a power level, and
  • At least one control device for reducing the power level of the domestic appliance and/or for outputting a signal, if the timer has reached a threshold value.
  • the main idea of the inventive system is that the power level of the domestic appliance is reduced, if said domestic appliance has been left unattended for a certain time. By this way the danger of a damage is reduced.
  • the system comprises at least one sensor for de tecting the presence or absence of the user in the environment of the domestic appliance, wherein preferably the sensor is a camera and/or a proximity sensor.
  • the threshold value depends on the set power level, wherein said threshold value decreases with an increasing set power level.
  • the threshold value of the timer may be modifiable by the user. If the cooking time is relative long, then the user can manually extend the threshold value of the timer.
  • the timer may be manually startable by the user. This option in creases the reliability of the system.
  • the manual start of the timer may compensate a dysfunction of the sensor.
  • system may include at least one display device for indicating the time counted by the timer.
  • At least a part of the system may be an integrated part of the domestic appliance.
  • the system is provided for controlling a cooking hob .
  • the system includes at least one temperature sen sor arranged on the cooking hob, wherein a temperature limit of said temperature sensor is reduced, if the timer has reached the threshold value.
  • the present invention will be described in further detail by way of examples.
  • the method and system of the present inven tion are provided for controlling a cooking hob.
  • the inventive method and system are suitable for an arbitrary domes- tic appliance.
  • the system comprises a sensor for detecting the presence or absence of a user in the environment of the cooking hob.
  • the sensor is a camera and/or a proximity sen- sor.
  • the sensor is activated, when a cooking process has been started.
  • the sensor is arranged in the environment of the cooking hob.
  • the sensor is arranged at a kitchen hood above said cooking hob.
  • a timer is started.
  • the timer is started by the user, for example by setting a power level. However, if the presence of the user is detected again, then the timer is stopped.
  • a countdown time of the timer is defined.
  • the auto matic reduction of the power level of the cooking hob avoids the danger of a fire on the cooking hob.
  • a signal is output, when the timer has reached the threshold value.
  • said signal is an acoustic signal.
  • an optical signal may be provided .
  • the timer may also be started manually by the user.
  • the manual start of the timer may compensate a dysfunction of the sensor.
  • the threshold value of the timer i.e. the countdown time of said timer, depends on the set power level on the cook ing hob. For example, if a low power level is set, then the threshold value and countdown time of the timer may be about 30 minutes. In contrast, if a high power level is set, then the threshold value of the timer may be only a few minutes. At the end of the countdown time, the power level is reduced. Alterna tively, the dedicated cooking zone or the whole cooking hob is switched off. The danger of fire is related to the temperature of food, fat and/or oil. The danger of fire increases with the power per area on the cooking hob.
  • the threshold value is about 30 minutes, if the set power level is minimum, while said threshold value is about three minutes, if the set power level is maximum.
  • the threshold value of the timer may be modified by the user. If the cooking time is relative long, e.g. more than 30 minutes, then the user may manually extend the threshold value of the timer.
  • the timer is stopped, if the presence of the user in the environment of the cooking hob is detected again before the threshold value has been reached.
  • the user may leave the cooking hob for an arbitrary number of times.
  • the system may include one or more temperature sensors arranged on the cooking hob. A temperature limit of said temper ature sensors may be reduced, if the timer has reached the threshold value.

Abstract

La présente invention concerne un procédé et un système de commande d'un appareil électroménager, notamment une plaque de cuisson. Le procédé comprend l'étape consistant à démarrer un minuteur, soit automatiquement si l'appareil électroménager est laissé sans surveillance, soit manuellement par un utilisateur, par exemple par réglage d'un niveau de puissance. Le temporisateur est arrêté si l'utilisateur est à nouveau présent dans l'environnement de l'appareil électroménager. Si le temporisateur a atteint une valeur seuil, alors un niveau de puissance de l'appareil électroménager est réduit et/ou un signal est délivré.
PCT/EP2020/067982 2019-07-12 2020-06-26 Procédé et système de commande d'un appareil électroménager WO2021008854A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19185905.7A EP3763999A1 (fr) 2019-07-12 2019-07-12 Procédé et système de commande d'un appareil ménager
EP19185905.7 2019-07-12

Publications (1)

Publication Number Publication Date
WO2021008854A1 true WO2021008854A1 (fr) 2021-01-21

Family

ID=67262107

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/067982 WO2021008854A1 (fr) 2019-07-12 2020-06-26 Procédé et système de commande d'un appareil électroménager

Country Status (2)

Country Link
EP (1) EP3763999A1 (fr)
WO (1) WO2021008854A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2267751A (en) * 1992-06-03 1993-12-15 Toshiba Kk Cooking hob
US5945017A (en) * 1997-08-06 1999-08-31 Cheng; Yu-Tarng Fire safety device for stove-top burner
WO2008025971A2 (fr) * 2006-08-30 2008-03-06 Out The Box Concepts Limited Dispositif de sécurité
GB2474258A (en) * 2009-10-08 2011-04-13 Adsyst Automation Ltd Control system to shut down unattended devices
EP2775211A1 (fr) * 2013-03-08 2014-09-10 Electrolux Appliances Aktiebolag Procédé de fonctionnement d'un appareil de cuisson domestique, unité de commande et appareil de cuisson
US20140251987A1 (en) * 2013-03-06 2014-09-11 Haier America Trading, Llc Appliance monitoring system and method with connectivity and communication protocols
US20180082564A1 (en) * 2016-09-18 2018-03-22 Wei Fang Wireless attendance monitoring apparatus
GB2564657A (en) * 2017-07-17 2019-01-23 Gerard Bailey Samuel Cooking hob monitoring method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2267751A (en) * 1992-06-03 1993-12-15 Toshiba Kk Cooking hob
US5945017A (en) * 1997-08-06 1999-08-31 Cheng; Yu-Tarng Fire safety device for stove-top burner
WO2008025971A2 (fr) * 2006-08-30 2008-03-06 Out The Box Concepts Limited Dispositif de sécurité
GB2474258A (en) * 2009-10-08 2011-04-13 Adsyst Automation Ltd Control system to shut down unattended devices
US20140251987A1 (en) * 2013-03-06 2014-09-11 Haier America Trading, Llc Appliance monitoring system and method with connectivity and communication protocols
EP2775211A1 (fr) * 2013-03-08 2014-09-10 Electrolux Appliances Aktiebolag Procédé de fonctionnement d'un appareil de cuisson domestique, unité de commande et appareil de cuisson
US20180082564A1 (en) * 2016-09-18 2018-03-22 Wei Fang Wireless attendance monitoring apparatus
GB2564657A (en) * 2017-07-17 2019-01-23 Gerard Bailey Samuel Cooking hob monitoring method

Also Published As

Publication number Publication date
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