EP3867575B1 - Dunstabzugshaube zur erfassung des gargerätetyps - Google Patents

Dunstabzugshaube zur erfassung des gargerätetyps Download PDF

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Publication number
EP3867575B1
EP3867575B1 EP19779420.9A EP19779420A EP3867575B1 EP 3867575 B1 EP3867575 B1 EP 3867575B1 EP 19779420 A EP19779420 A EP 19779420A EP 3867575 B1 EP3867575 B1 EP 3867575B1
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EP
European Patent Office
Prior art keywords
cooking device
cooker
exhaust hood
temperature
heating
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.)
Active
Application number
EP19779420.9A
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English (en)
French (fr)
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EP3867575A1 (de
Inventor
Hakan ALTUNTAS
Murat Kantas
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
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Arcelik AS
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Publication date
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Publication of EP3867575A1 publication Critical patent/EP3867575A1/de
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Publication of EP3867575B1 publication Critical patent/EP3867575B1/de
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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
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes
    • F24C15/2021—Arrangement or mounting of control or safety systems

Definitions

  • the present invention relates to an exhaust hood wherein the type of the cooking device above which the exhaust hood is operated is automatically determined.
  • an exhaust hood is situated above the cooking devices used in houses and the smell and humidity released by the cooked foods are enabled to be discharged to the outer environment by means of the exhaust hood.
  • the exhaust hood comprises a body; an exhaust duct which is connected to the chimney opening to the outer environment; a fan (aspirator) which sucks and discharges the air from above the cooker or oven; and a control unit which regulates the operation of the fan motor.
  • fans which may perform suction at various levels and guiding plates which guide the flow in the air suction surface are also used.
  • the user adjusts the low, mid and high levels of the fan motor in the exhaust hood. The user operates the exhaust hood when required during the cooking process and selects the desired level.
  • Exhaust hoods are known wherein the operational level is automatically determined in order to provide convenience to the user and for security purposes. Therefore, sensors which monitor changes in odor and temperature in the environment are used. During the cooking process, the temperature over the cooking device, for example of the cooker, is detected, thus automatically determining the operational level of the exhaust hood, in other words the speed of the fan motor; however, changes in temperature vary depending on the type of the cooker. Change over time of the heat dissipated by different types of cookers such as gas, electric and induction heating during operation varies due to the operational principles of said cookers. In the exhaust hood, the type of cooker is critical in determining parameters such as fan speed, etc. which constitute the automatic operational levels. For the same cooking process, gas, induction heating and electric cookers with different heating efficiencies provide different results. Therefore, the exhaust hood is required to automatically detect the type of the cooker over which the exhaust hood is operated.
  • the Patent Application No. DE102006041581 (A1 ) relates to a method for preventing an exhaust hood above a cooking device from overheating.
  • the Patent Application No. DE3922090 (A1 ) relates to an exhaust hood comprising at least one temperature sensor placed on the outer surface of the exhaust hood and measuring the ambient temperature and at least two temperature sensors placed on the suction surface, wherein the fan is controlled according to temperature difference signals based on the information received from the sensors.
  • the Patent Application No. JP2009144964 (A ) relates to a range hood wherein heating cooker being a gas or electric cooker is determined by temperature detecting means and operation of the range hood is automatically controlled according to heating cooker type.
  • US 2013/255661 A1 discloses a cooker hood installed above heating cooker and having a temperature sensor which is provided to detect an ambient temperature of the cooker.
  • JP H11 281106 A discloses a cooker interlocked range hood provided with a blower, an ultraviolet sensor, a temperature sensor, an identifying part to judge whether the cooker is a gas cooker or an electric cooker and to recognize the operating condition of the cooker and a control part for operating or controlling the blower.
  • the aim of the present invention is the realization of an exhaust hood wherein the type of the cooking device over which the exhaust hood is operated is automatically determined and operational parameters such as fan speed, time, etc. are applied according to the determined type of the cooking device.
  • the exhaust hood realized in order to attain the aim of the present invention comprises one or more than one temperature sensor which measures the temperature of the air rising from the cooking device and the cooking receptacle by heating up, and the control unit calculates the rate of increase in temperature depending on the data received from the temperature sensor.
  • the control unit determines the type of the cooking device according to the rate of increase in temperature and the operational level of the exhaust hood according to the type of the cooking device.
  • the exhaust hood (1) which is positioned above cooking devices (8) such as cooker, oven, etc. and which provides the discharge of the odor and humidity released from the cooked foods to the outer environment, comprises a body (2); an exhaust duct (3) which is connected to the chimney opening to the outer environment; and one or more than one fan (4) or "aspirator" which is mounted into the exhaust duct (3) and which enables the suction and discharge of the air to the outer environment.
  • the exhaust hood (1) of the present invention comprises
  • the parameters required for the automatic operation of the exhaust hood vary depending on the type of the cooking device (8). Therefore, for each type of cooking device (8) a set of parameters wherein the time of operational levels of the exhaust hood (1) and the fan (4) speed change is formed.
  • the parameters such as fan (4) speed, operation time, etc. for different cooking devices (8) over which the exhaust hood (1) will be operated are prerecorded in the memory of the control unit (5).
  • the type of the cooking device (8) is automatically determined by analyzing the data received from the temperature sensor (6) and the timer (7). After the control unit (5) determines the type of the cooking device (8), the exhaust hood (1) is operated with the parameters prerecorded for said cooking device (8).
  • the control unit (5) compares the heating time (T) elapsing until the temperature sensor (6) detects a predetermined temperature value after the operation of the cooking device (8) with a predetermined first threshold heating time (T1) and a predetermined second threshold heating time (T2) (T2>T1) in the control unit (5) and determines if the cooking device (8) is a gas cooker (X), an induction heating cooker (Y) or an electric cooker (Z).
  • the data received from the temperature sensor (6) and the timer (7) has different characteristics.
  • the gas cooker (X), the induction heating cooker (Y) and the electric cooker (Z) have different heating characteristics.
  • the control unit (5) determines the type of the cooker (X, Y or Z) according to said characteristics ( Figure 2 ).
  • the control unit (5) determines that the heating rate is high and the cooking device (8) is a gas cooker (X).
  • the control unit (5) determines that the heating rate is an average value and the cooking device (8) is an induction heating cooker (Y). In the induction heating cooker (Y), the heating rate is low at the beginning but increases quickly after the first threshold time (T1). The control unit (5) determines that the cooking device (8) is an induction heating cooker (Y), and increases the exhaust hood (1) level, in other words the fan (4) motor speed or the number of active fans (4).
  • the control unit (5) determines that the heating rate is low and the cooking device (8) is an electric cooker (Z) or a radiant cooker.
  • the control unit (5) operates the exhaust hood (1) at the first level (low speed) at the end of the heating time (T) corresponding to the induction heating cooker (Y) in case the cooking device (8) is determined to be an induction heating cooker (Y), and operates the exhaust hood (1) at the second level (mid speed) if the temperature detected by the temperature sensor (6) increases by 5%, and operates the exhaust hood (1) at the third level (high speed) if the temperature increases by 10%, and operates the exhaust hood (1) at the fourth level (maximum speed or "boost”) if the temperature increases by 15%.
  • the control unit (5) operates the exhaust hood (1) at the first level (low speed) at the end of the heating time (T) corresponding to the electric cooker (Z) in case the cooking device (8) is determined to be an electric cooker (Z), and operates the exhaust hood (1) at the second level (mid speed) if the temperature detected by the temperature sensor (6) increases by 10%, and operates the exhaust hood (1) at the third level (high speed) if the temperature increases by 20%, and operates the exhaust hood (1) at the fourth level (maximum speed or "boost”) if the temperature increases by 30%.
  • the type of the cooking device (8) used is the most important factor affecting the automatic operation of the exhaust hood (1) and is determined by the control unit (5) in the present invention.
  • the control unit (5) in the present invention determines the parameters of the exhaust hood (1).
  • the need for requiring the user to make an additional adjustment when the exhaust hood (1) is activated with a different cooking device (8), during or after the installation process is eliminated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Claims (1)

  1. - Eine Dunstabzugshaube (1), die über einem Kochgerät (8) positioniert ist, umfasst einen Körper (2); einen Abluftkanal (3), der mit einer Schornsteinöffnung zur äußeren Umgebung verbunden ist; einen oder mehr als einen Lüfter (4), der in der Abluftkanal (3) montiert ist; einen oder mehr als einen Temperatursensor (6), der an dem Körper (2) und/oder im Abluftkanal (3) angeordnet ist, und das die Temperatur der aus dem Gargerät (8) und während des Garbehälters aufsteigenden Luft durch Erwärmung während eines Garvorgangs misst; einen Timer (7), der die Heizzeit (T) misst, die verstreicht, bis die Temperatur der aus dem Kochgerät (8) aufsteigenden Luft einen voreingestellten Wert erreicht; und eine Steuereinheit (5), die angepasst ist, um
    - die Temperaturanstiegsrate gemäß den von dem Temperatursensor (6) und dem Timer (7) erhaltenen Daten zu berechnen, gemäß der Temperaturanstiegsrate den Typ des Kochgeräts (8) zu bestimmen
    - und je nach Art des Kochgeräts (8) eine Betriebsstufe der Dunstabzugshaube (1) zu bestimmen, die als die Motordrehzahl des Lüfters (4) oder die Anzahl der zu aktivierenden Lüfter (4) definiert ist, gekennzeichnet ist sie durch die Steuereinheit (5), die weiterhin dazu angepasst ist,
    - zum Vergleichen der Heizzeit (T), die vergeht, bis der Temperatursensor (6) einen vorbestimmten Temperaturwert nach dem Betrieb des Gargeräts (8) erfasst wird, mit einer vorgegebenen ersten Schwellenheizzeit (T1) und einer vorgegebenen zweiten Schwellenheizzeit (T2) in der Steuereinheit (5) und festzustellen, ob das Kochgerät (8) ein Gasherd (X), ein Induktionsherd (Y) oder ein Elektroherd (Z) ist,
    - zu bestimmen, dass das Kochgerät (8) ein Gaskocher (X) ist, wenn die Heizzeit (T) kleiner als die erste Schwellenzeit (T1) ist (T < T1),
    - zu bestimmen, dass das Kochgerät (8) ein Induktionsherd (Y) ist, wenn die Erwärmungszeit (T) höher ist als die erste Schwellenzeit (T1) (T < T1) und niedriger ist als die zweite Schwellenzeit (T2) (T1 <T<T2) und
    - festzustellen, dass das Kochgerät (8) ein Elektroherd (Z) ist, wenn die Heizzeit (T) größer ist als die zweite Schwellenzeit (T1) (T > T2).
EP19779420.9A 2018-10-15 2019-09-24 Dunstabzugshaube zur erfassung des gargerätetyps Active EP3867575B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201815231 2018-10-15
PCT/EP2019/075600 WO2020078669A1 (en) 2018-10-15 2019-09-24 An exhaust hood for detecting the cooking device type

Publications (2)

Publication Number Publication Date
EP3867575A1 EP3867575A1 (de) 2021-08-25
EP3867575B1 true EP3867575B1 (de) 2023-05-10

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EP19779420.9A Active EP3867575B1 (de) 2018-10-15 2019-09-24 Dunstabzugshaube zur erfassung des gargerätetyps

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EP (1) EP3867575B1 (de)
PL (1) PL3867575T3 (de)
WO (1) WO2020078669A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112902249B (zh) * 2021-01-27 2022-04-15 宁波方太厨具有限公司 烟机、烟灶联动方法及系统
CN112902247B (zh) * 2021-01-27 2022-04-15 宁波方太厨具有限公司 烟灶联动方法、系统、设备及可读存储介质
CN112902248B (zh) * 2021-01-27 2022-02-22 宁波方太厨具有限公司 烟灶联动方法、系统、设备及可读存储介质
CN115839509A (zh) * 2022-10-27 2023-03-24 广东澄一科技有限公司 吸油烟机及吸油烟机的控制方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11281106A (ja) * 1998-03-26 1999-10-15 Matsushita Seiko Co Ltd 調理器連動形レンジフード
US20130255661A1 (en) * 2011-02-25 2013-10-03 Panasonic Corporation Extractor hood

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3922090A1 (de) 1989-07-05 1991-01-17 Ruhrgas Ag Dunstabzugshaube fuer kochherde
DE102006041581A1 (de) 2006-09-05 2008-03-06 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Schutz vor Überhitzung einer Dunstabzugsvorrichtung
JP2009144964A (ja) * 2007-12-13 2009-07-02 Panasonic Corp レンジフード
JP5919459B2 (ja) * 2011-02-25 2016-05-18 パナソニックＩｐマネジメント株式会社 レンジフード

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11281106A (ja) * 1998-03-26 1999-10-15 Matsushita Seiko Co Ltd 調理器連動形レンジフード
US20130255661A1 (en) * 2011-02-25 2013-10-03 Panasonic Corporation Extractor hood

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Publication number Publication date
EP3867575A1 (de) 2021-08-25
WO2020078669A1 (en) 2020-04-23
PL3867575T3 (pl) 2023-10-09

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