EP3876808A1 - Lave-vaisselle comprenant un dispositif de chauffage - Google Patents

Lave-vaisselle comprenant un dispositif de chauffage

Info

Publication number
EP3876808A1
EP3876808A1 EP19779870.5A EP19779870A EP3876808A1 EP 3876808 A1 EP3876808 A1 EP 3876808A1 EP 19779870 A EP19779870 A EP 19779870A EP 3876808 A1 EP3876808 A1 EP 3876808A1
Authority
EP
European Patent Office
Prior art keywords
heater
casing
dishwasher
sensor unit
item
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Withdrawn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
EP19779870.5A
Other languages
German (de)
English (en)
Inventor
Yusuf Koc
Murat Kantas
Tumay CITAK
Filiz CELIK
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 EP3876808A1 publication Critical patent/EP3876808A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0049—Detection or prevention of malfunction, including accident prevention
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4285—Water-heater arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/20—Time, e.g. elapsed operating time
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/34—Other automatic detections
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/11—Air heaters

Definitions

  • the present invention relates to a safely operated dishwasher.
  • a washing cycle is completed by successively performing the cold washing, main washing, rinsing and drying steps.
  • the drying step which is one of the main steps of the washing cycle is performed by means of a heater provided in the dishwasher. Said heater enables water droplets and residues remaining on the washed and cleaned dishes to be removed by way of vaporization.
  • the performance of the drying step is directly related to the heater.
  • the drying step and the heater which performs said step have a very important role.
  • the heater is positioned at a lower region of the body so as to enable the air heated by the heater to raise within the body of the dishwasher and to easily reach every area.
  • Korean Patent Document No. KR20160025342 discloses the control of the operation of the heater in the dishwasher by means of a fuse and a load detection device.
  • the aim of the present invention is the realization of a dishwasher wherein the operation of the heater is controlled by detecting the items on the casing provided over the heater which provides the drying process in the dishwashers.
  • the dishwasher of the present invention comprises a sensor unit which detects items which may melt due to high temperatures on the casing and may stick to the dishwasher.
  • the drying step in the dishwashers is performed by means of the hot air provided by the heater.
  • the temperature of the heater is determined by the producer to be at least 100oC in order to vaporize water remaining on the dishes and to ensure hygiene.
  • the heater which provides said temperature values must be positioned at a safe area on the base of the tub in the dishwasher. Therefore, a casing is provided over the heater.
  • a purpose of the casing is to enclose the heater so as to prevent the water in the tub, wherein the washing process is performed, from damaging the heater.
  • Another purpose of the casing is to prevent items falling off especially during the washing process from directly contacting the heater. However, in such a case, if there is an item on the casing, said item may melt and stick onto the casing due to the high temperature of the heater. Therefore, the casing cannot prevent said unwanted incidents from occurring by itself. In such a case the heater must be stopped.
  • the dishwasher of the present invention comprises a control unit which stops the operation of the heater when the sensor unit detects a foreign item on the case over the heater.
  • the sensor unit and the control unit intercommunicate, and the control unit controls the operation of the heater depending on the data received from the sensor unit.
  • the sensor unit comprises at least one of the weight sensor or the temperature sensor.
  • detection can be performed according to different parameters such as weight, temperature, etc.
  • Figure 1 - is a general view of a dishwasher of the present invention.
  • Figure 2 - is the top perspective view of the part of the tub containing the casing in the dishwasher of the present invention.
  • Figure 3 - is the detailed view of the heater, the casing and the sensor unit which are placed onto the base of the tub in the dishwasher of the present invention.
  • Figure 4 - is the top perspective view of the part of the dishwasher of the present invention containing the heater.
  • Figure 5 - is the detailed view of the casing and the sensor unit comprising the insulation element in an embodiment of the dishwasher of the present invention.
  • the dishwasher (1) comprises a body (2); a tub (7) which is disposed in the body (2) and wherein the washing process is performed; a heater (3) which heats the air used for drying the dishes; and a casing (5) which covers the heater (3).
  • the dishwasher (1) of the present invention comprises a sensor unit (6) which detects an item on the casing (5) and a control unit (4) which controls the operation of the heater (3).
  • the washing process comprises the steps of cold washing, main washing, rinsing and drying.
  • the drying step is a step wherein the water droplets and dirt particles, if any, remaining on the dishes after the cold washing, main washing and rinsing steps are removed by means of hot air.
  • the drying process is performed by heating the air to a certain temperature by means of the heater (3).
  • the heater (3) is positioned on the base of the tub (7). Thus, in the drying step, the hot air can be easily moved inside the tub (7).
  • the dishwasher (1) of the present invention comprises a sensor unit (6) which detects said items.
  • the sensors unit (6) can detect the presence of the item on the casing (5) by using parameters such as weight, temperature, etc.
  • the control unit (4) stops the operation of the heater (3).
  • the surface of the casing (5) facing the base of the tub (7) wherein the washing process is performed is the upper surface
  • the surface of the casing (5) facing the heater (3) is the lower surface.
  • the casing (5) is produced from metal material resistant to the high temperature of the heater (3) and heats up due to the temperature of the heater (3).
  • the sensor unit (6) is positioned at a point on the lower surface of the casing (5) which is not affected by the temperature of the heater (3).
  • the sensor unit (6) is positioned at a point on the lower surface of the casing (5) which is not affected by the temperature of the heater (3).
  • the dishwasher (1) comprises an insulation element (8) provided between the sensor unit (6) and the casing (5). Consequently, the sensor unit (6) is protected against the high temperature of the heater (3).
  • the sensor unit (6) comprises at least one weight sensor.
  • the item on the casing (5) is detected due to the weight of said item.
  • limitations are imposed on time and mass.
  • the sensor unit (6) comprising the weight sensor detects the mass of the item on the casing (5).
  • the sensor unit (6) comprises a weight sensor which detects a mass of at least 5 grams in order to prevent unnecessary stopping of the heater (3).
  • a weight sensor which detects a mass of at least 5 grams in order to prevent unnecessary stopping of the heater (3).
  • the control unit (4) comprises a timer in order to evaluate the data received from the weight sensor after a predetermined period of time elapses.
  • the sensor unit (6) upon detecting the item on the casing longer than a period of time predetermined by the producer, the sensor unit (6) communicates with the control unit (4) such that the heater (3) is stopped. It is possible for the water droplets and dirt residues which may remain on the casing (5) by the nature of the washing process to vaporize or fall to another region with the effect of the hot air provided by the heater (3). Therefore, the item which does not move from over the casing (5) during said defined period of time is detected as a foreign item.
  • said period of time determined by the producer is 30 seconds.
  • the sensor unit (6) comprises at least one temperature sensor.
  • the sensor unit (6) measures the temperature of the heater (3) and thus detects the item on the casing (5). Consequently, if the sensor unit (6) measures a temperature higher than the temperature value predetermined by the producer for the heater (3) to carry out the drying process, the control unit (4) stops the operation of the heater (3).
  • the sensor unit (6) may comprise at least one weight sensor and/or at least one temperature sensor which can be separately controlled.
  • the dishwasher (1) of the present invention when an item is present on the casing (5) over the heater (3), the risk of unwanted incidents such as the melting of plastic items, etc. due to high temperatures is prevented.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Abstract

La présente invention concerne un lave-vaisselle (1) comprenant un corps (2) ; une cuve (7) qui est disposée dans le corps (2) et dans laquelle le processus de lavage est effectué ; un dispositif de chauffage (3) qui chauffe l'air utilisé pour sécher la vaisselle ; un boîtier (5) qui recouvre le dispositif de chauffage (3) ; une unité de capteur (6) qui détecte un article sur le boîtier (5) ; et une unité de commande (4) qui commande le fonctionnement du dispositif de chauffage (3).
EP19779870.5A 2018-11-06 2019-09-30 Lave-vaisselle comprenant un dispositif de chauffage Withdrawn EP3876808A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201816627 2018-11-06
PCT/EP2019/076346 WO2020094295A1 (fr) 2018-11-06 2019-09-30 Lave-vaisselle comprenant un dispositif de chauffage

Publications (1)

Publication Number Publication Date
EP3876808A1 true EP3876808A1 (fr) 2021-09-15

Family

ID=68104639

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19779870.5A Withdrawn EP3876808A1 (fr) 2018-11-06 2019-09-30 Lave-vaisselle comprenant un dispositif de chauffage

Country Status (2)

Country Link
EP (1) EP3876808A1 (fr)
WO (1) WO2020094295A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9622843B2 (en) 2011-07-13 2017-04-18 Sofradim Production Umbilical hernia prosthesis

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3212098B2 (ja) * 1990-12-19 2001-09-25 株式会社日立製作所 食器洗浄機
JPH11206684A (ja) * 1998-01-23 1999-08-03 Zojirushi Corp 食器洗い乾燥機
JP3332855B2 (ja) * 1998-06-11 2002-10-07 三洋電機株式会社 食器洗い乾燥機
JP3495624B2 (ja) * 1998-12-28 2004-02-09 三洋電機株式会社 食器洗い乾燥機
JP2005052176A (ja) * 2003-08-01 2005-03-03 Sanyo Electric Co Ltd 食器洗い機
JP2007215882A (ja) * 2006-02-20 2007-08-30 Hitachi Appliances Inc 食器洗浄機
JP4674556B2 (ja) * 2006-02-22 2011-04-20 パナソニック株式会社 食器洗い機
JP4945531B2 (ja) * 2008-08-27 2012-06-06 リンナイ株式会社 食器洗浄機
KR20160025342A (ko) 2014-08-27 2016-03-08 김성길 식기세척용 히터장치 및 그 제어 방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9622843B2 (en) 2011-07-13 2017-04-18 Sofradim Production Umbilical hernia prosthesis

Also Published As

Publication number Publication date
WO2020094295A1 (fr) 2020-05-14

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