WO2012103981A2 - Machine à laver détectant un trop-plein d'eau - Google Patents

Machine à laver détectant un trop-plein d'eau Download PDF

Info

Publication number
WO2012103981A2
WO2012103981A2 PCT/EP2011/072543 EP2011072543W WO2012103981A2 WO 2012103981 A2 WO2012103981 A2 WO 2012103981A2 EP 2011072543 W EP2011072543 W EP 2011072543W WO 2012103981 A2 WO2012103981 A2 WO 2012103981A2
Authority
WO
WIPO (PCT)
Prior art keywords
water
washer
control unit
detection means
sleep mode
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.)
Ceased
Application number
PCT/EP2011/072543
Other languages
English (en)
Other versions
WO2012103981A3 (fr
Inventor
Baris Ocak
Hakan Ozkahraman
Latif Tezduyar
Gokhan Yildiz
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 WO2012103981A2 publication Critical patent/WO2012103981A2/fr
Publication of WO2012103981A3 publication Critical patent/WO2012103981A3/fr
Anticipated expiration legal-status Critical
Ceased 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
    • A47L15/0018—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
    • A47L15/421—Safety arrangements for preventing water damage
    • A47L15/4212—Detection of water leaks; Collection of leaked water, e.g. in the casing
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/081—Safety arrangements for preventing water damage
    • 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
    • A47L2401/09—Water level
    • 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
    • A47L2401/14—Water pressure or flow rate
    • 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
    • A47L2501/26—Indication or alarm to the controlling device or to the user
    • 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
    • A47L2501/34—Change machine operation from normal operational mode into special mode, e.g. service mode, resin regeneration mode, sterilizing mode, steam mode, odour eliminating mode or special cleaning mode to clean the hydraulic circuit
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/18—Washing liquid level
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/08—Draining of washing liquids
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters

Definitions

  • the present invention relates to a washer which detects water overflow.
  • the aim of the present invention is the realization of a washer which
  • the control unit disposed in the washer realized in order to attain the aim of the present invention, explicated in the claims, has two different operation modes, being the sleep mode and the operation mode.
  • the control unit stays in the sleep mode for providing saving of electricity.
  • the control unit changes to the operation mode by awakening from the sleep mode and provides the washer to be operated.
  • the control unit changes to the sleep mode again.
  • the water overflow detection means disposed in the washer of the present invention is active also when the control unit is in the sleep mode.
  • the awakening circuit evaluates the signals received from the water
  • the awakening circuit sends signal to the control unit as a result of the said evaluation. If the control unit is in the sleep mode, it awakens as a result of the signal received from the awakening circuit.
  • control unit locks the door of the washer and operates the discharge pump through the door. As a result of the operation of the discharge pump, the large amount of water that accumulates in the washer is discharged from the washer.
  • electrical/electronic filter is disposed between the awakening circuit and the water overflow detection means.
  • the water overflow detection means comprises water counter and/or water level detector.
  • the water counter measures the amount of the water coming from the water intake valve
  • the water level detector measures the level of the water in the washer.
  • the filter is disposed between the water level detector and the awakening circuit.
  • the information received from the water level detector reaches the awakening circuit
  • the information received from the water level gauge reaches the filter.
  • the frequency of the signal which is received from the water level detector when the water level reaches a critical value is different from the frequency of the signal which is received from the water level detector when the water level has a lower value.
  • the filter detects the frequency of the signal received from the water level detector when the water level reaches a critical value and while delivering the said signal to the awakening circuit, prevents the other signals with lower frequency from reaching the awakening circuit.
  • the awakening circuit is an
  • the awakening circuit when both the information received from the water counter and the information received from the water level detector are above a critical level, the awakening circuit sends signal to the control unit for awakening the control unit.
  • the awakening circuit is an "OR" gate.
  • the awakening circuit when one of the two informations received from the water counter or from the water level detector is above a critical level, the awakening circuit sends signal to the control unit for awakening the control unit.
  • the control unit When the washer is in the stand-by position, the control unit is in the sleep mode; however, since the washer is connected to the mains, the water overflow detection means and the awakening circuit are active and produce the respective feedbacks.
  • Figure 1 - is the schematic view of the preferred embodiment of a washer.
  • Figure 2 - is the schematic view of an embodiment of a washer.
  • Figure 3 - is the schematic view of yet another embodiment of a washer.
  • Figure 4 - is the schematic view of another embodiment of a washer.
  • the washer (1 ) of the present invention comprises at least one door (2), at least one water intake valve (3), at least one control unit (4) which operates in two different modes, being the sleep mode and the operation mode, at least one discharge pump (5) which provides the water to be discharged and at least one water overflow detection means (6) which is active also when the control unit (4) is in the sleep mode ( Figure 1).
  • control unit (4) When the control unit (4) is in the operation mode, it evaluates the
  • the control unit (4) operates the discharge pump (5) upon detecting the presence of a critaical amount of water.
  • the discharge pump (5) the large amount of water that accumulates in the washer (1 ) is discharged from the washer
  • the washer (1 ) comprises at least one awakening circuit (9) which is
  • the control unit (4) When the washer (1 ) is in the stand-by position, the control unit (4) is in the sleep mode; however, since the washer (1 ) is connected to the mains, the water overflow detection means (6) and the awakening circuit (9) are energized and produce the respective feedbacks. When in the sleep mode, the control unit (4) receives the signals coming from the ends to which the awakening circuit (9) is connected and changes to the operation mode.
  • the washer (1 ) While waiting in the stand-by position, the washer (1 ) is connected to the mains. For providing saving of electricity in the said stand-by position, the control unit (4) is in the sleep mode. When the washer (1 ) is operated, the control unit (4) changes from the sleep mode to the operation mode and performs the functions required for the operation of the washer (1 ). When the operation of the washer (1 ) is completed, the control unit (4) automatically changes to the sleep mode again.
  • the control unit (4) detects the large amount of water in the washer (1 ) by evaluating the information received from the water overflow detection means (6) and as a result of the said detection, sends signal to the control unit (4) for awakening the control unit (4). If the control unit (4) is in the sleep mode, it awakens as a result of the signal received from the awakening circuit (9) and locks the door (2) of the washer (1 ) and operates the discharge pump (5) through the door (2). As a result of the operation of the discharge pump (5), the large amount of water that accumulates in the washer (1 ) is discharged from the washer (1). After the large amount of water is discharged, the control unit (4) automatically changes to the sleep mode again.
  • the water overflow detection means (6) comprises at least one water counter (7) ( Figure 2).
  • the water counter (7) measures the amount of the water that fills in the washer (1 ) in unit time.
  • the water overflow detection means (6) comprises at least one water level detector (8) ( Figure 3).
  • the water level detector (8) measures the level of the water that accumulates.
  • the awakening circuit (9) actuates and changes the control unit (4) to the operation mode and the control unit (4) provides the said large amount of water to be discharged from the washer (1).
  • the washer (1 ) comprises at least one electrical/electronic filter (10) disposed between the awakening circuit (9) and the water overflow detection means (6).
  • the filter (10) detects the frequency of the signal received from the water overflow detection means (6) when the water level reaches a critical value and while delivering the said signal to the awakening circuit (9), prevents the other signals with lower frequency from reaching the awakening circuit (9).
  • the filter (10) is disposed between the awakening circuit (9) and the water level detector (8).
  • the information received from the water counter (7) reaches the awakening circuit (9)
  • the information received from the water level detector (8) reaches the filter (10).
  • the frequency of the signal which is received from the water level detector (8) when the water level reaches a critical value is different from the frequency of the signal, which is received from the water level detector (8) when the water level has a lower value.
  • the filter (10) detects the frequency of the signal received from the water level detector (8) when the water level reaches a critical value and while delivering the said signal to the awakening circuit (9), prevents the other signals with lower frequency from reaching the awakening circuit (9).
  • the awakening circuit (9) is an "AND" gate. In the said embodiment, when both the information received from the water counter (7) and the information received from the water level detector (8) are above a critical level, the awakening circuit (9) sends signal to the control unit (4) for awakening the control unit (4).
  • the awakening circuit (9) is an "OR" gate.
  • the awakening circuit (9) when one of the two informations received from the water counter (7) or from the water level detector (8) is above a critical level, the awakening circuit (9) sends signal to the control unit (4) for awakening the control unit (4).
  • the washer (1 ) of the present invention is a washing machine
  • present invention is a dishwasher.
  • the large amount of water that fills in the washer (1 ) due to a malfunction that might occur is detected by the water overflow detection means (6) even when the control unit (4) is in the sleep mode, er (1 ).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Washing And Drying Of Tableware (AREA)

Abstract

La présente invention se rapporte à une machine à laver (1) comprenant une porte (2) qui recouvre l'ouverture par laquelle les éléments à laver sont passés, un clapet d'admission d'eau (3) qui apporte l'eau nécessaire au processus de lavage, une unité de commande (4) qui fonctionne sur deux modes différents, le mode veille et le mode action, qui évalue les informations reçues en provenance du moyen de détection de trop-plein d'eau (6) en mode action et qui entraîne l'évacuation de la grande quantité d'eau à l'aide de la pompe d'évacuation (5) lors de la détection de la quantité d'eau critique qui peut causer le trop-plein, une pompe d'évacuation (5) qui entraîne l'évacuation de la grande quantité d'eau qui s'accumule, un moyen de détection de trop-plein d'eau (6) qui est actif également lorsque l'unité de commande (4) est en mode veille et un circuit d'éveil (9) qui entraîne l'éveil de l'unité de commande (4) qui est en mode veille.
PCT/EP2011/072543 2010-12-31 2011-12-13 Machine à laver détectant un trop-plein d'eau Ceased WO2012103981A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201011269 2010-12-31
TRA2010/11269 2010-12-31

Publications (2)

Publication Number Publication Date
WO2012103981A2 true WO2012103981A2 (fr) 2012-08-09
WO2012103981A3 WO2012103981A3 (fr) 2013-06-06

Family

ID=45218749

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/072543 Ceased WO2012103981A2 (fr) 2010-12-31 2011-12-13 Machine à laver détectant un trop-plein d'eau

Country Status (1)

Country Link
WO (1) WO2012103981A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700001017A1 (it) * 2017-01-09 2018-07-09 Manuela Brignone Lavatrice con sicurezza elettronica di antiallagamento
WO2021219226A1 (fr) * 2020-04-30 2021-11-04 Electrolux Appliances Aktiebolag Procédé pour commander une machine à laver et machine à laver
US12390080B2 (en) 2023-10-03 2025-08-19 Haier Us Appliance Solutions, Inc. Dishwashing appliances and fluid-loss mitigation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4241400A (en) * 1978-12-18 1980-12-23 General Electric Company Microprocessor based control circuit for washing appliances
US4305122A (en) * 1980-02-05 1981-12-08 Emhart Industries, Inc. Method and system for controlling a dishwashing apparatus
GB2235801A (en) * 1989-09-07 1991-03-13 David Stanley Bottomley Leak detection and warning system
DE4038802A1 (de) * 1990-12-05 1992-06-11 Bosch Siemens Hausgeraete Steuerung fuer ein elektrisches hausgeraet
JP4084694B2 (ja) * 2003-04-22 2008-04-30 シャープ株式会社 洗濯機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700001017A1 (it) * 2017-01-09 2018-07-09 Manuela Brignone Lavatrice con sicurezza elettronica di antiallagamento
WO2021219226A1 (fr) * 2020-04-30 2021-11-04 Electrolux Appliances Aktiebolag Procédé pour commander une machine à laver et machine à laver
US12390080B2 (en) 2023-10-03 2025-08-19 Haier Us Appliance Solutions, Inc. Dishwashing appliances and fluid-loss mitigation

Also Published As

Publication number Publication date
WO2012103981A3 (fr) 2013-06-06

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