EP1143058A2 - Verfahren zum Spülen von Wäsche in einer Waschmaschine - Google Patents
Verfahren zum Spülen von Wäsche in einer Waschmaschine Download PDFInfo
- Publication number
- EP1143058A2 EP1143058A2 EP01104097A EP01104097A EP1143058A2 EP 1143058 A2 EP1143058 A2 EP 1143058A2 EP 01104097 A EP01104097 A EP 01104097A EP 01104097 A EP01104097 A EP 01104097A EP 1143058 A2 EP1143058 A2 EP 1143058A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- washing
- program section
- rinse
- temperature
- laundry
- 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.)
- Granted
Links
- 238000005406 washing Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000203 mixture Substances 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 238000011156 evaluation Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 11
- 239000003599 detergent Substances 0.000 description 11
- 239000003513 alkali Substances 0.000 description 6
- 230000001419 dependent effect Effects 0.000 description 6
- 238000010790 dilution Methods 0.000 description 5
- 239000012895 dilution Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000008237 rinsing water Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 210000002023 somite Anatomy 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Images
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 performing a washing program section for Washing clothes in a washing machine, in particular 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 performing 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 Flushing water is moved for a set time and then this is 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 more optimal the more rinses 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 what 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 rinsing liquor which means lower demands on the Resolution of the temperature sensor can be set. This is especially the case if the measurement and evaluation of the temperature profile takes place at the beginning of the first wash cycle (Claim 3) and the temperature rise 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.
- the bottom of the tub is a heater for heating the wash liquor is arranged.
- 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 back.
- a microprocessor control is provided to control the different washing programs, which are connected to various sensors and controls via signal lines is. It issues time and status-dependent commands to various control lines Actuators further.
- a weight sensor with which the Load amount of the drum can be determined As a sensor 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.
- 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 (Intermediate spin).
- Rinse program section, which consists of individual rinse cycles.
- the washing compartment is first rinsed on 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 gradually warm up the washing liquor between the washing liquor and the laundry. 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 due to the inflow of cold rinse water to an initial temperature T 0 .
- the warm laundry still containing the washing liquor then causes the temperature to rise to the equilibrium temperature T G.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Detergent Compositions (AREA)
Abstract
Description
- Flottentemperatur im vorherigen Spül- oder Waschgang
- Restfeuchte der Wäsche
- Spülwassermenge
- Spülwassertemperatur
- Umgebungstemperaturen
Die Spülzeit ist ein mitentscheidender Faktor für den Spülwert. Ist die Gleichgewichtskonzentration von Alkalis nicht erreicht, befinden sich mehr Alkalis auf der Wäsche. Entsprechend höher ist auch die Temperatur der Wäsche als die in der Flotte herrschende Temperatur. Man kann nun durch Messung des Temperaturverlaufes der Flotte die Gleichgewichtstemperatur abschätzen und diese Temperatur ins Verhältnis zu der gemessenen Temperatur setzen. In einem analogen Verhältnis stehen dann die Alkalis auf der Wäsche mit der Gleichgewichtskonzentration. Ist dieses Verhältnis für das zu erwartende Spülergebnis akzeptabel, kann der Spülvorgang abgebrochen werden. Aus dem Verlauf des ersten Spülgangs kann auf die Ausgleichsvorgänge in den nachfolgenden Spülgängen geschlossen werden. Somit ist die Berechnung der notwendigen Anzahl und Dauer weiterer Spülgänge aus dem Temperaturverlauf des ersten Spülgangs möglich.
Lässt der Temperaturverlauf im Spülbad eine zu hohe Gleichgewichtstemperatur erwarten, so ist davon auszugehen, dass vom Waschautomaten zu wenig Wasser getankt worden ist. Daraus wird dann ebenfalls ein schlechter Spülwert resultieren. In diesem Fall kann der Waschautomat verschiedenartig Einfluss auf den Programmablauf nehmen:
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(Spülgängen) 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 true EP1143058A2 (de) | 2001-10-10 |
| EP1143058A3 EP1143058A3 (de) | 2001-10-31 |
| EP1143058B1 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009002622A1 (de) | 2009-04-24 | 2010-10-28 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zur Durchführung einer Spülphase in einer Trommelwaschmaschine |
| CN112921588A (zh) * | 2021-01-25 | 2021-06-08 | 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 |
Families Citing this family (3)
| 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 |
| 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 |
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
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009002622A1 (de) | 2009-04-24 | 2010-10-28 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zur Durchführung einer Spülphase in einer Trommelwaschmaschine |
| DE102009002622B4 (de) * | 2009-04-24 | 2016-01-14 | BSH Hausgeräte GmbH | Verfahren zur Durchführung einer Spülphase in einer Trommelwaschmaschine |
| CN112921588A (zh) * | 2021-01-25 | 2021-06-08 | 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1143058A3 (de) | 2001-10-31 |
| ATE257870T1 (de) | 2004-01-15 |
| DE10017160C1 (de) | 2001-04-05 |
| EP1143058B1 (de) | 2004-01-14 |
| DE50101307D1 (de) | 2004-02-19 |
| ES2210046T3 (es) | 2004-07-01 |
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