EP1143058B1 - Verfahren zum Spülen von Wäsche in einer Waschmaschine - Google Patents
Verfahren zum Spülen von Wäsche in einer Waschmaschine Download PDFInfo
- Publication number
- EP1143058B1 EP1143058B1 EP01104097A EP01104097A EP1143058B1 EP 1143058 B1 EP1143058 B1 EP 1143058B1 EP 01104097 A EP01104097 A EP 01104097A EP 01104097 A EP01104097 A EP 01104097A EP 1143058 B1 EP1143058 B1 EP 1143058B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rinse
- temperature
- washing
- implementing
- 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.)
- Expired - Lifetime
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Classifications
-
- 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
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/38—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of rinsing
-
- 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
- D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps
Definitions
- the invention relates to a method for carrying out a washing program section for Washing clothes in a washing machine, especially in a drum washing machine, in the heated washing liquor after the completion of a washing program section used in a tub and then emptied from it, a subset cold rinse water is filled into the tub, being in the lower part of the A temperature sensor.
- a method for carrying out a washing program section of the type mentioned is basically known in advance and can also be done by a specialist from a printed document the technology (DE 42 19 276 A1 and DE 32 06 563 C2) are essentially taken. Furthermore, DE 39 09 021 A1 shows how the composition of the laundry in Main wash cycle is determined by evaluating their suction behavior. It is also known, other parameters for determining the composition of the laundry item to be used, for example the speed behavior (DE 44 38 760 A1). Beyond that Washing machines known in which the user enters the composition. Dependent Amounts of rinse water are then calculated from the composition for several rinses or given. These are fed to the tub, the laundry in Rinsing water is moved for a set time and then emptied. In connection the bound washing liquor in drum washing machines is attached to the individual rinsing cycles driven out by rapid rotation of the drum (centrifugal force).
- the basis for optimizing the washing result in known washing processes is the Dilution calculation. It assumes that the detergent and dirt residues in the Laundry diluted to the same extent by the amount of water added in the rinse cycles becomes like substances outside the laundry. According to the dilution calculation The rinse result is therefore the more optimal the more rinse cycles are used.
- the invention thus presents the problem of a method for washing laundry in one To disclose washing machine of the type mentioned, which has the aforementioned disadvantages avoids and at which leveling processes between washing liquor and laundry can be taken into account in a simple manner without additional sensors.
- the advantage achievable with the invention is that for controlling the washing process apart from the temperature sensor already present in most washing machines, no additional ones Sensor technology is needed. It is also independent of the detergent used Assessment of the rinsing effect possible.
- the washing program section divided into at least two rinse cycles and the measurement and evaluation of the temperature profile takes place in the first rinse cycle (claim 2).
- a relatively large temperature difference expected between laundry and washing liquor which means lower demands on the Resolution of the temperature sensor can be set. This is particularly the case if the temperature profile is measured and evaluated at the beginning of the first rinse cycle (Claim 3) and the rise in temperature of the washing liquor is still very large.
- the temperature profile in this part can be used to calculate the further temperature profile and on this Basis advantageously the duration (claim 4) and the number (claim 5) of all rinses as well as the amount of rinse water used and the required spin speeds to be determined for intermediate spinning (compare claims 6 and 7).
- a drawing shows the Temperature course of the wash liquor in the first wash cycle using a temperature-time diagram.
- the washing machine has a tub in a drum in a known manner is rotatably mounted to hold laundry.
- a heater for heating the wash liquor is arranged in the lower area of the tub.
- the drum is driven about an engine.
- the tub is suspended from the housing by springs and is opposed to damping these vibrations in the lower area by shock absorbers supported the case bottom.
- a microprocessor control is provided to control the different washing programs, which are connected to various sensors and the control elements via signal lines is. It issues time and status-dependent commands to various control lines Actuators further.
- a weight sensor under the washing machine's sensors, with which the Load amount of the drum can be determined.
- a sensor is used in a known manner Position sensor arranged parallel to the shock absorber, with which the weight-dependent Suds container altitude is detected.
- Other weight sensors for example Strain gauges can also be used. From the static part of the Position sensor signal is determined by the microprocessor control and the load stored in a memory.
- a tachometer generator coupled to the motor picks up a motor speed signal for control purposes, from which the microprocessor control the control deviation of the speed in the first Reverse cycles determined and also saved.
- an analog pressure sensor For the water level measurement there is a riser with the drain area of the tub connected, within which an analog pressure sensor is arranged as a level sensor.
- the fresh water is fed into the tub via a line in which one of the microprocessor control solenoid valve is switched.
- the microprocessor control determines the analog pressure sensor the pressure curve in the tub by evaluating the pressure difference and the Suction times in the suction phases during the water inlet, in which the solenoid valve is not is open. In addition, it determines the water intake quantity by adding up all Solenoid valve opening times of the respective program section.
- a temperature sensor in the lower area of the tub allows during the Washing program section the temperature control of the washing liquor, in the washing program section the washing liquor temperature is measured and evaluated, which is described in more detail below
- the program section "washing" is carried out and in a known manner by the Microprocessor control depending on the setting values and the measured Parameters influenced. Then the washing liquor is emptied from the tub, supported by rotating the drum at increased speed (Zwischenschleudem).
- Rinse program section, which consists of individual rinse cycles.
- the wash cycle one of the type of laundry and / or the amount of laundry dependent portion of cold fresh water (rinse water) added, which under Rotation of the drum rinses out the detergent residues from the laundry.
- Rinse water and Laundry have different temperatures. Machine the cold rinse water after the main wash in contact with the warm laundry, so it will be due to a heat exchange between the washing liquor and the laundry, gradually warm the washing liquor over time. Strive to do so the washing liquor and the laundry at an equilibrium temperature. This is still from the ambient temperature dependent, since additional at lower ambient temperature External heat losses are to be expected.
- the figure shows the course of the washing liquor temperature as a temperature-time diagram.
- the temperature initially drops to an initial temperature T 0 due to the inflow of cold rinse water.
- the warm laundry still containing the washing liquor then causes a temperature rise to the equilibrium temperature T G.
- the rinsing time is a decisive factor for the rinsing value. Is the equilibrium concentration not reached by alkalis, there are more alkalis on the laundry. Corresponding The temperature of the laundry is also higher than the temperature prevailing in the liquor. you can now determine the equilibrium temperature by measuring the temperature profile of the fleet estimate and put this temperature in relation to the measured temperature. In The alkalis on the laundry with the equilibrium concentration then stand in an analogous relationship. If this ratio is acceptable for the washing result to be expected, the Rinsing process can be canceled. From the course of the first rinse cycle, the Compensation processes in the subsequent rinse cycles are closed. So that is Calculation of the necessary number and duration of further rinses from the temperature profile of the first wash cycle possible.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Detergent Compositions (AREA)
Description
- Flottentemperatur im vorherigen Spül- oder Waschgang
- Restfeuchte der Wäsche
- Spülwassermenge
- Spülwassertemperatur
- Umgebungstemperaturen
Claims (7)
- Verfahren zur Durchführung eines Spülprogrammabschnitts zum Spülen von Wäsche in einer Waschmaschine, insbesondere in einer Trommelwaschmaschine, bei dem nach der Beendigung eines Waschprogrammabschnitts, in dem erwärmte Waschflotte in einem Laugenbehälter verwendet und anschließend aus diesem entleert wird, eine Teilmenge kalten Spülwassers in den Laugenbehälter gefüllt wird, wobei im unteren Bereich des Laugenbehälters sich ein Temperatursensor befindet,
dadurch gekennzeichnet, dass mindestens in einem Programm- bzw. Zeit-Abschnitt laufend die Temperatur der Spülflotte, also der Mischung aus erwärmter Wäsche bzw. darin enthaltender Waschflotte und eingebrachtem kalten Spülwasser mit dem Temperatursensor gemessen wird und die Dauer des Spülprogrammabschnitts und/oder die Gesamtmenge des Spülwassers in Abhängigkeit vom gemessenen Temperaturverlauf bestimmt wird. - Verfahren zur Durchführung eines Spülprogrammabschnitts nach Anspruch 1,
dadurch gekennzeichnet, dass der Spülprogrammabschnitt in mindestens zwei Spülgänge unterteilt ist und dass die Messung und Auswertung des Temperaturverlaufs im ersten Spülgang erfolgt. - Verfahren zur Durchführung eines Spülprogrammabschnitts nach Anspruch 2,
dadurch gekennzeichnet, dass die Messung und Auswertung des Temperaturverlaufs zu Beginn des ersten Spülgangs erfolgt. - Verfahren zur Durchführung eines Spülprogrammabschnitts nach Anspruch 3,
dadurch gekennzeichnet, dass aus dem zu Beginn des ersten Spülgangs gemessenen Temperaturverlauf die Dauer aller Spülgänge bestimmt wird. - Verfahren zur Durchführung eines Spülprogrammabschnitts nach mindestens einem der Ansprüche 2 oder 3,
dadurch gekennzeichnet, dass aus dem im ersten Spülgang gemessenen Temperaturverlauf die Anzahl der Spülgänge bestimmt wird. - Verfahren zur Durchführung eines Spülprogrammabschnitts nach mindestens einem der Ansprüche 2 bis 4,
dadurch gekennzeichnet, dass im ersten Spülgang eine festgelegte Teilmenge kalten Spülwassers verwendet wird und dass die in dem den weiteren Spülgang/-gängen verwendete/n Teilmenge/n aufgrund des Temperaturverlaufs des Spülwassers im ersten Spülgang bestimmt werden. - Verfahren zur Durchführung eines Spülprogrammabschnitts nach mindestens einem der Ansprüche 2 bis 6,
dadurch gekennzeichnet, dass aus dem im ersten Spülgang gemessenen Temperaturverlauf die Höhe und/oder der Anstieg der Schleuderdrehzahl in mindestens einem sich an einen Spülgang anschließenden Schleudergang bestimmt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10017160A DE10017160C1 (de) | 2000-04-06 | 2000-04-06 | Verfahren zum Spülen von Wäsche in einer Waschmaschine |
DE10017160 | 2000-04-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1143058A2 EP1143058A2 (de) | 2001-10-10 |
EP1143058A3 EP1143058A3 (de) | 2001-10-31 |
EP1143058B1 true EP1143058B1 (de) | 2004-01-14 |
Family
ID=7637811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01104097A Expired - Lifetime EP1143058B1 (de) | 2000-04-06 | 2001-02-21 | Verfahren zum Spülen von Wäsche in einer Waschmaschine |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1143058B1 (de) |
AT (1) | ATE257870T1 (de) |
DE (2) | DE10017160C1 (de) |
ES (1) | ES2210046T3 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007002184B4 (de) | 2007-01-15 | 2018-03-15 | BSH Hausgeräte GmbH | Verfahren zum Waschen von Wäschestücken in einem programmgesteuerten Hausgerät, sowie solches Hausgerät |
DE102009002622B4 (de) | 2009-04-24 | 2016-01-14 | BSH Hausgeräte GmbH | Verfahren zur Durchführung einer Spülphase in einer Trommelwaschmaschine |
KR101530849B1 (ko) * | 2011-01-04 | 2015-06-23 | 삼성전자 주식회사 | 세탁기 및 그 제어방법 |
DE102015107689A1 (de) * | 2015-05-18 | 2016-11-24 | Miele & Cie. Kg | Verfahren zum Steuern einer Drehzahl einer Waschtrommel einer Waschmaschine, Steuergerät und Waschmaschine |
CN112921588B (zh) * | 2021-01-25 | 2022-04-15 | 珠海格力电器股份有限公司 | 洗衣机控制方法、装置、设备及存储介质 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3206563A1 (de) * | 1982-02-24 | 1983-09-01 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Steuereinrichtung fuer eine waschmaschine |
DE3909021A1 (de) * | 1989-03-18 | 1990-09-20 | Miele & Cie | Verfahren zur steuerung des programms in einer waeschebehandlungsmaschine |
DE4219276A1 (de) * | 1992-06-12 | 1993-12-16 | Licentia Gmbh | Wasch- oder Geschirrspülmaschine |
DE4438760A1 (de) * | 1994-10-29 | 1996-05-02 | Miele & Cie | Verfahren zur Ermittlung einer von der Wäscheart und der Wäschemenge abhängigen Beladungsstufe |
-
2000
- 2000-04-06 DE DE10017160A patent/DE10017160C1/de not_active Expired - Fee Related
-
2001
- 2001-02-21 EP EP01104097A patent/EP1143058B1/de not_active Expired - Lifetime
- 2001-02-21 AT AT01104097T patent/ATE257870T1/de not_active IP Right Cessation
- 2001-02-21 DE DE50101307T patent/DE50101307D1/de not_active Expired - Lifetime
- 2001-02-21 ES ES01104097T patent/ES2210046T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE257870T1 (de) | 2004-01-15 |
ES2210046T3 (es) | 2004-07-01 |
EP1143058A2 (de) | 2001-10-10 |
DE10017160C1 (de) | 2001-04-05 |
EP1143058A3 (de) | 2001-10-31 |
DE50101307D1 (de) | 2004-02-19 |
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