EP1845833B1 - Procede pour faire fonctionner un appareil menager conduisant de l'eau - Google Patents

Procede pour faire fonctionner un appareil menager conduisant de l'eau Download PDF

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Publication number
EP1845833B1
EP1845833B1 EP05797269.7A EP05797269A EP1845833B1 EP 1845833 B1 EP1845833 B1 EP 1845833B1 EP 05797269 A EP05797269 A EP 05797269A EP 1845833 B1 EP1845833 B1 EP 1845833B1
Authority
EP
European Patent Office
Prior art keywords
hardness
degree
water
limit value
facility
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.)
Not-in-force
Application number
EP05797269.7A
Other languages
German (de)
English (en)
Other versions
EP1845833A1 (fr
Inventor
Michael Rosenbauer
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL05797269T priority Critical patent/PL1845833T3/pl
Publication of EP1845833A1 publication Critical patent/EP1845833A1/fr
Application granted granted Critical
Publication of EP1845833B1 publication Critical patent/EP1845833B1/fr
Not-in-force 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
    • A47L15/42—Details
    • A47L15/4229—Water softening arrangements
    • 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
    • D06F34/22—Condition of the washing liquid, 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
    • A47L2401/11—Water hardness, acidity or basicity
    • 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
    • A47L2401/30—Variation of electrical, magnetical or optical quantities
    • 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
    • A47L2501/07—Consumable products, e.g. detergent, rinse aids or salt
    • 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
    • A47L2501/18—Water softening devices
    • 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
    • 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
    • D06F2103/20—Washing liquid condition, e.g. turbidity
    • 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
    • D06F2105/42—Detergent or additive supply
    • 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
    • D06F2105/58—Indications or alarms to the control system or to the user
    • 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
    • D06F2105/58—Indications or alarms to the control system or to the user
    • D06F2105/60—Audible signals

Definitions

  • the invention relates to a method for water softening in a liquid-operated water-conducting household appliance with a device for detecting a degree of hardness in the liquid and with a controlled by a control and / or regulating device signaling device for outputting information about the degree of hardness.
  • a disadvantage of this solution is that the measured value detected by the turbidity sensor measures an impermissibly high degree of hardness, in which calcification has already taken place in the household appliance.
  • the user is not informed prior to the onset of calcification in the household appliance in order to take early countermeasures that do not lead to damage in the household appliance.
  • From the DE 196 50 915 A1 is a liquid-conducting domestic appliance with a program control and with at least one conductivity sensor, by which the conductance of a liquid located in the sphere of action of the domestic appliance can be determined.
  • the further program sequence can be set.
  • a dishwashing machine which has a sensor which is designed and arranged to measure a functional parameter, such as the hardness, of the rinsing liquid during the course of the rinsing program.
  • the sensor result can be used to influence the Spülprogrammablauf.
  • the sensor result can be compared with stored data and, if necessary, a signal to the user can be generated.
  • the invention is therefore based on the object in water-bearing household appliances of the type mentioned already inform the user about the degree of hardness, which threatens damage due to calcification in water-bearing household appliance, but no damage in the water-bearing appliance have occurred.
  • This object is achieved in that upon detection of an impermissible above or below a threshold level of hardness, the signaling device is activated.
  • the degree of hardness of the liquid is changed when the signal device signals the impermissible degree of hardness lying above or below the limit value.
  • the degree of hardness of the liquid is adjusted by an external water softening system such that the household appliance liquid is supplied with a permissible degree of hardness.
  • the main advantage is that lime-free liquid is supplied to the water-containing appliance by the setting on the external water softening system, which exclude damage in the water-bearing household appliance and the good to be washed.
  • the external water softening system is designed as a water softening system associated with a building.
  • This arrangement is particularly characterized by the fact that is dispensed with an additional water softening system in the water-bearing domestic appliance and thus costs in the design and assembly can be saved. Furthermore, by the waiver of the water softening system is in the water-bearing household appliance more space for the arrangement of other components available.
  • the water-conducting household appliance over a predetermined period of time detergent is supplied until the signaling device is deactivated.
  • the essential advantage is that it dispenses with a water softening system in the water-bearing household appliance, since the detergent lowers the degree of hardness of the liquid, so that it lies within the permissible range. This measure ensures that damage in the water-conducting household appliance and the goods to be washed are excluded.
  • the user can recognize on the signaling device whether sufficient cleaning agent has been supplied to the liquid in the water-conducting household appliance, since the signaling device is deactivated at the permissible degree of hardness.
  • the cleaning agent is a descaling agent.
  • This solution is particularly characterized by the fact that the descaling agent is inexpensive to produce.
  • a lighting device associated with the signal device upon detection of the impermissible degree of hardness lying above or below the limit value, a lighting device associated with the signal device is activated by the control and / or regulating device.
  • This solution offers the advantage that the information of the impermissible degree of hardness lying above or below the limit value is visualized by means of the lighting device. By visualizing the user recognizes that he must take countermeasures to reduce the degree of hardness in order to extend the life of the water-bearing household appliance.
  • lighting devices are characterized by the fact that they are inexpensive to manufacture.
  • an acoustic device assigned to the signal device is activated by the control and / or regulating device.
  • the device for detecting the degree of hardness is designed as an optical sensor.
  • This solution is characterized in particular by the fact that the optical sensor is very inexpensive to manufacture and the measured values are more accurately detected for determination, since the transmitter is less susceptible to disturbances caused by the liquid flowing around.
  • the device for detecting the degree of hardness is designed as a conductivity sensor.
  • the conductivity sensor is inexpensive to manufacture.
  • FIG. 1 and Fig. 2 show two substantially similar executed dishwasher according to the invention 1, 1 'with a housing 2, 2' shown.
  • a treatment room, not shown, is accessible via door 3, 3 ', which is pivotally mounted on a horizontal axis.
  • the door 3, 3 ' has an inner door, not shown, and an outer door 4, 4', on which an aperture 5, 5 'is arranged.
  • On the panel 5, 5 'are Operating elements 6, 6 'are arranged, via which one can select a program with the individual program steps pre-rinsing, cleaning, intermediate rinsing, rinsing, drying.
  • the outer door 4, 4 ' has for opening and closing a on the aperture 5, 5' arranged actuating handle 7, 7 '.
  • a signal device 8, 8 ' for outputting information of an impermissible degree of hardness above or below a limit value is arranged on the diaphragm 5, 5'.
  • the signal device 8 is designed as an acoustic signal device.
  • the acoustic signal device is formed in the illustrated embodiment as a speaker that outputs an acoustic signal at the impermissible above or below the threshold level of hardness.
  • the signal device 8 ' is designed as a display device. A lettering is visualized on the display device 8 'at the impermissible degree of hardness lying above or below the limit value.
  • the signaling device 8 'could also be designed as an LED which makes the impermissible degree of hardness above or below the limit mark by indicating a color.
  • the signaling device 8, 8 ' is connected to a not shown control and regulation electronics, which receives a measurement signal from a device, not shown, for detecting a degree of hardness of a liquid.
  • the device for detecting a degree of hardness in a liquid is designed as an optical sensor.
  • the device for detecting a degree of hardness can be designed as a conductivity sensor.
  • the optical sensor measures the degree of hardness of a liquid which is fed to the dishwasher 1, 1 '.
  • the optical sensor has a glass body, on which small lime particles, which lie at least in the microscopic range of hardness, settle.
  • a transmitter of the optical sensor transmits light waves in the same frequencies through the glass body to a receiver also associated with the optical sensor.
  • the receiver measures the incoming light intensity and forwards the measurement signal to the control electronics.
  • the dishwasher does not work within the permissible range damaged and there are essentially no lime particles in the liquid, so that the receiver receives the maximum light intensity transmitted by the transmitter.
  • the dishwasher or the goods to be washed can be damaged and lime particles are present in the liquid.
  • the lime particles settle on the glass body of the optical sensor during operation of the dishwasher, so that the receiver does not receive the maximum light intensity transmitted by the transmitter, but only a reduced proportion of the light intensity transmitted by the transmitter.
  • microscopic lime particles are present in the impermissible degree of hardness, they have no influence on the life of the dishwasher. Therefore, damage in the dishwasher and the goods to be washed are excluded.
  • the limit value in the impermissible range of the degree of hardness is defined by the fact that first deposits of microscopically small lime particles form on the glass body of the optical sensor.
  • the receiver of the optical sensor in this case does not receive the maximum light intensity transmitted by the transmitter. If the degree of hardness of the liquid increases, the number of lime particles increases and the degree of hardness is above the limit value. As a result, the receiver receives a lower light intensity and the signaling device is activated via the control and regulating electronics, so that the user can initiate measures for decalcifying the liquid.
  • An alternative way of defining the limit is to calibrate the optical sensor at the factory. The limit value is then defined by the fact that the light intensity received by the receiver is equivalent to a factory-determined number of lime particles arranged on the glass body.
  • the receiver does not receive the maximum light intensity, but a higher light intensity than that in the factory-set calibration. In this case, the impermissible degree of hardness is below the limit in the impermissible range. It should be noted that the microscopic lime particles have no effect on the life of the dishwasher.
  • the optical sensor measures the impermissible degree of hardness above or below the limit value
  • the receiver sends a measuring signal to the control electronics. It is possible to arrange two optical sensors in the dishwasher, with one optical sensor exceeding the impermissible degree of hardness above the limit and another Sensor measures the impermissible degree of hardness below the limit value.
  • the control electronics then controls the signaling device, so that the user is informed of the increased degree of hardness.
  • the information can be delivered via the display or alternatively via the LED as in FIG. 1 shown, or over the speaker, as in FIG. 2 shown, which generates an acoustic signal.
  • the user is informed that he must take measures to lower the degree of hardness of the liquid.
  • he can set an external water softening system associated with the dishwasher 1, 1 '.
  • it can supply descaling agent to the dishwasher 1, 1 ', so that the degree of hardness is lowered.
  • the signaling device 8, 8 ' is deactivated by the control and regulating electronics, since the degree of hardness detected by the optical sensor is within the permissible range and thus can not be damaged by calcium deposits. Due to the decalcifying measures introduced, decanted liquid now flows around the glass body of the optical sensor, so that the microscopic lime particles arranged on the glass body are swept away and the glass body is free of lime particles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Treatment Of Water By Ion Exchange (AREA)

Claims (10)

  1. Procédé d'adoucissement de l'eau dans un appareil ménager (1, 1') conduisant de l'eau, fonctionnant avec du liquide, comprenant un dispositif de saisie d'un degré de dureté dans le liquide et comprenant un dispositif de signalisation (8, 8'), commandé par un dispositif de commande et/ou de réglage, destiné à sortir des informations sur le degré de dureté, le dispositif de signalisation (8, 8') étant activé lors de la saisie d'un degré de dureté non admissible situé au-dessus ou en dessous d'une valeur limite, caractérisé en ce que la valeur limite est déterminée de manière à ce qu'un utilisateur soit informé par le dispositif de signalisation que des détériorations de l'appareil ménager conduisant de l'eau ne sont encore pas intervenues mais que le degré de dureté du liquide de nettoyage a atteint une valeur mesurée qui peut conduire à des détériorations de l'appareil ménager conduisant de l'eau.
  2. Procédé selon la revendication 1, caractérisé en ce que le degré de dureté du liquide est modifié lorsque le dispositif de signalisation (8, 8') signale le degré de dureté non admissible situé au-dessus ou en dessous de la valeur limite.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le degré de dureté du liquide est réglé par une installation d'adoucissement externe de manière à ce que du liquide ayant un degré de dureté admissible soit amené à l'appareil ménager.
  4. Procédé selon la revendication 3, caractérisé en ce que l'installation d'adoucissement externe est réalisée comme une installation d'adoucissement affectée à un bâtiment.
  5. Procédé selon la revendication 1 ou 2, caractérisé en ce que du produit de nettoyage est amené à l'appareil ménager (1, 1') conduisant de l'eau pendant une durée prédéterminée jusqu'à ce que le dispositif de signalisation (8, 8') soit désactivé.
  6. Procédé selon la revendication 5, caractérisé en ce que le produit de nettoyage est un anticalcaire.
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'en cas de saisie du degré de dureté non admissible situé au-dessus ou en dessous de la valeur limite, un dispositif d'éclairage affecté au dispositif de signalisation (8, 8') est activé par le dispositif de commande et/ou de réglage.
  8. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'en cas de saisie du degré de dureté non admissible situé au-dessus ou en dessous de la valeur limite, un dispositif acoustique affecté au dispositif de signalisation (8, 8') est activé par le dispositif de commande et/ou de réglage.
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le dispositif de saisie du degré de dureté est réalisé comme capteur optique.
  10. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le dispositif de saisie du degré de dureté est réalisé comme capteur de conductance.
EP05797269.7A 2005-02-03 2005-10-21 Procede pour faire fonctionner un appareil menager conduisant de l'eau Not-in-force EP1845833B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05797269T PL1845833T3 (pl) 2005-02-03 2005-10-21 Sposób eksploatacji prowadzącego wodę urządzenia gospodarstwa domowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005005040A DE102005005040A1 (de) 2005-02-03 2005-02-03 Verfahren zum Betreiben eines wasserführenden Haushaltgeräts
PCT/EP2005/055469 WO2006081880A1 (fr) 2005-02-03 2005-10-21 Procede pour faire fonctionner un appareil menager conduisant de l'eau

Publications (2)

Publication Number Publication Date
EP1845833A1 EP1845833A1 (fr) 2007-10-24
EP1845833B1 true EP1845833B1 (fr) 2013-07-03

Family

ID=35592621

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05797269.7A Not-in-force EP1845833B1 (fr) 2005-02-03 2005-10-21 Procede pour faire fonctionner un appareil menager conduisant de l'eau

Country Status (6)

Country Link
EP (1) EP1845833B1 (fr)
CN (1) CN1815239A (fr)
DE (1) DE102005005040A1 (fr)
ES (1) ES2422202T3 (fr)
PL (1) PL1845833T3 (fr)
WO (1) WO2006081880A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110139187A1 (en) * 2008-08-27 2011-06-16 Bsh Bosch Und Siemens Hausgerate Gmbh Method for operating a dishwasher
DE102012212638C5 (de) * 2012-07-18 2020-07-30 Premark Feg L.L.C. Spülmaschine sowie Verfahren zum Betreiben einer Spülmaschine
DE102015223371A1 (de) * 2015-11-26 2017-06-01 BSH Hausgeräte GmbH Sensorvorrichtung zum Bestimmen einer Eigenschaft einer Flüssigkeit, Verfahren zum Betreiben der Sensorvorrichtung sowie wasserführendes Haushaltsgerät mit der Sensorvorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1279102B1 (it) * 1995-02-01 1997-12-04 Merloni Elettrodomestici Spa Macchina di lavaggio con sistema di controllo elettronico a programmazione semplificata e relativo metodo di programmazione.
DE29611091U1 (de) 1996-06-25 1997-10-23 AEG Hausgeräte GmbH, 90429 Nürnberg Flüssigkeitsführendes Hausgerät mit einer Programmsteuerung
DE19721976B4 (de) * 1997-05-26 2008-07-24 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Feststellen eines unzulässig hohen Verkalkungsgrades in einem wasserführenden Haushaltsgerät
DE19841568A1 (de) * 1997-11-26 1999-05-27 Miele & Cie Verfahren und Anordnung zur Bestimmung des Regenerierzeitpunktes einer Wasserenthärtungseinrichtung insbesondere für wasserführende Haushaltgeräte
DE19825981C2 (de) * 1998-06-10 2003-04-10 Bsh Bosch Siemens Hausgeraete Verfahren und wassführendes Haushaltsgerät zur Wasserenthärtung
DE10011692A1 (de) * 2000-03-10 2001-09-13 Aweco Appliance Sys Gmbh & Co Haushaltsmaschine zur Reinigung von Gegenständen
DE10260160A1 (de) 2002-12-20 2004-07-08 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine

Also Published As

Publication number Publication date
EP1845833A1 (fr) 2007-10-24
PL1845833T3 (pl) 2013-11-29
WO2006081880A1 (fr) 2006-08-10
ES2422202T3 (es) 2013-09-09
DE102005005040A1 (de) 2006-08-10
CN1815239A (zh) 2006-08-09

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