EP2240063B1 - Lave-vaisselle - Google Patents

Lave-vaisselle Download PDF

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Publication number
EP2240063B1
EP2240063B1 EP08867435.3A EP08867435A EP2240063B1 EP 2240063 B1 EP2240063 B1 EP 2240063B1 EP 08867435 A EP08867435 A EP 08867435A EP 2240063 B1 EP2240063 B1 EP 2240063B1
Authority
EP
European Patent Office
Prior art keywords
sensor
door
dishwasher
measurements
wash water
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
EP08867435.3A
Other languages
German (de)
English (en)
Other versions
EP2240063A1 (fr
Inventor
Songul Bayraktar
Ebru Cetinkaya
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
Priority to PL08867435T priority Critical patent/PL2240063T3/pl
Publication of EP2240063A1 publication Critical patent/EP2240063A1/fr
Application granted granted Critical
Publication of EP2240063B1 publication Critical patent/EP2240063B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47L15/0018—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
    • A47L15/4297—Arrangements for detecting or measuring the condition of the washing water, e.g. turbidity
    • 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
    • A47L2401/26—Loading door status, e.g. door latch opened or closed state
    • 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
    • A47L2501/36—Other output

Definitions

  • the present invention relates to dishwashers comprising a sensor wherein the data collected is recorded in the memory.
  • a washing program comprised of various steps such as pre-washing, main washing, rinsing is implemented.
  • turbidity sensors, conductivity sensors etc. are used for detecting the data relating to the amount of dirt in the dishes placed in the machine, whether the dishes are properly cleaned after washing or the amount of detergent mixed in the wash water.
  • these sensors used are affected by factors such as intake of water into the washing chamber and the rotational speed of the spray arms and as a result the measurement cannot be performed accurately.
  • the aim of the present invention is the realization of a dishwasher comprising a sensor that detects with a high precision even if the user opens the door during washing.
  • a sensor is used for measuring the variables such water turbidity, conductivity etc. of water for determining the washing program steps and the parameters such as water temperature, duration etc. relating to these steps.
  • a series of measurements are taken at certain intervals, for example at the start, middle and end of washing and these measurements are recorded in the memory until the necessary number of measurements are taken for determining the status of the wash water.
  • the average of the data in the memory is taken to obtain the information about the status of the wash water.
  • the memory is reset by deleting the data recorded during the last series of measurements and measurements are started afresh after the door is closed.
  • accuracy of measurement is increased by preventing the erroneous detection of the wash water due to the discontinuity of data.
  • the senor waits for a period of time after the door is closed and afterwards starts to take measurements. Accordingly, defective detection is prevented by enabling remixing of the dirt.
  • the dishwasher (1) provides cleaning of the dishes in accordance with a washing program including at least some of the various steps such as pre-washing, main washing, rinsing, drying and regeneration.
  • the dishwasher (1) comprises
  • the sensor (4) makes a series of measurements at certain intervals. The readings taken as a result of the measurements are recorded in the memory (5) until the necessary number of measurements is taken for assessing the status of the wash water. When the sufficient number of measurements is taken, the average of the data in the memory (5) is taken in order to assess the status of the wash water.
  • the data recorded in the memory (5) during the series of measurements performed before the door (3) is opened are deleted and the sensor (5) starts measuring afresh after the door (3) is closed.
  • the senor (4) waits for a period of time (t w ) after the door (3) is closed and afterwards starts to take measurements.
  • the senor (4) detects the turbidity of the wash water. There is a great difference between the turbidity measurements taken by the sensor (4) before the door (3) is opened from the ones measured right after the door (3) is closed since the dirt settles down when the door (3) is opened due to stopping of the washing.
  • these data that can be misleading are prevented from being used in detecting the amount of dirt and the status of the dirt is detected with a high accuracy. Accordingly, dirt status of the dishes emplaced in the dishwasher (1) is detected with a high accuracy and the selection of the washing program is made correctly in accordance with the said data.
  • the senor (4) detects the conductivity status of the wash water.
  • the amount of detergent mixed in the wash water is detected correctly and the decisions relating to washing are made in accordance with this information.
  • the information that needs to be identified correctly relating to the amount of dirt and detergent in order to implement the washing process with the highest performance level is prevented from being detected erroneously due to the discontinuance occurring when the door (3) is opened during washing, thereby increasing the washing effectiveness.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Claims (4)

  1. Un lave-vaisselle (1) qui comprend une chambre de lavage (2) où la vaisselle à laver est placée, une porte (3) pour accéder à la chambre de lavage (2), au moins un capteur (4) qui prend une série de mesures d'une variable se rapportant à l'état de l'eau de lavage à certains intervalles, au moins une mémoire (5) où les données reçues du capteur (4) sont enregistrées et caractérisé en ce que les données, qui sont enregistrées dans la mémoire (5) pendant la série de mesures effectuées avant que la porte (3) est ouverte, sont supprimées, si la porte (3) est ouverte tandis que le capteur (4) prend des mesures, et en ce que le capteur (4) commence à mesurer à nouveau après que la porte (3) est fermée.
  2. Un lave-vaisselle (1) selon la Revendication 1, caractérisé par un capteur (5) qui attend une période de temps (tw) après que la porte (3) est fermée et qui commence à prendre des mesures après cela.
  3. Un lave-vaisselle (1) selon la Revendication 1 ou 2, caractérisé par un capteur (5) qui détecte l'état de turbidité de l'eau de lavage.
  4. Un lave-vaisselle (1) selon la Revendication 1 ou 2, caractérisé par un capteur (5) qui détecte l'état de conductivité de l'eau de lavage.
EP08867435.3A 2007-12-31 2008-12-06 Lave-vaisselle Active EP2240063B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08867435T PL2240063T3 (pl) 2007-12-31 2008-12-06 Zmywarka do naczyń

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200709234 2007-12-31
PCT/EP2008/066965 WO2009083399A1 (fr) 2007-12-31 2008-12-06 Lave-vaisselle

Publications (2)

Publication Number Publication Date
EP2240063A1 EP2240063A1 (fr) 2010-10-20
EP2240063B1 true EP2240063B1 (fr) 2014-11-12

Family

ID=40405061

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08867435.3A Active EP2240063B1 (fr) 2007-12-31 2008-12-06 Lave-vaisselle

Country Status (4)

Country Link
EP (1) EP2240063B1 (fr)
ES (1) ES2527650T3 (fr)
PL (1) PL2240063T3 (fr)
WO (1) WO2009083399A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4673441A (en) * 1982-10-18 1987-06-16 Meyers Theodore F Dishwashing method
JP2005329068A (ja) * 2004-05-20 2005-12-02 Sanyo Electric Co Ltd 食器洗い機
JP4350013B2 (ja) * 2004-09-14 2009-10-21 シャープ株式会社 食器洗い機

Also Published As

Publication number Publication date
EP2240063A1 (fr) 2010-10-20
WO2009083399A1 (fr) 2009-07-09
ES2527650T3 (es) 2015-01-28
PL2240063T3 (pl) 2015-04-30

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