EP2761076A1 - Verfahren zur weichspülung von wäsche in einer waschmaschine sowie hierzu geeignete waschmaschine - Google Patents
Verfahren zur weichspülung von wäsche in einer waschmaschine sowie hierzu geeignete waschmaschineInfo
- Publication number
- EP2761076A1 EP2761076A1 EP12758498.5A EP12758498A EP2761076A1 EP 2761076 A1 EP2761076 A1 EP 2761076A1 EP 12758498 A EP12758498 A EP 12758498A EP 2761076 A1 EP2761076 A1 EP 2761076A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- drum
- softener
- fabric softener
- washing machine
- 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
- 239000002979 fabric softener Substances 0.000 title claims abstract description 85
- 238000005406 washing Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 95
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000003860 storage Methods 0.000 claims description 24
- 239000004744 fabric Substances 0.000 claims description 18
- 238000011010 flushing procedure Methods 0.000 claims description 8
- 238000011156 evaluation Methods 0.000 claims description 5
- 238000011068 loading method Methods 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 239000003599 detergent Substances 0.000 description 10
- 101150114468 TUB1 gene Proteins 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000003093 cationic surfactant Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 5
- 239000003945 anionic surfactant Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000003750 conditioning effect Effects 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 239000004902 Softening Agent Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000004851 dishwashing Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000010412 laundry washing Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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
- D06F33/46—Control of the energy or water consumption
-
- 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
- D06F33/37—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of metering of detergents or additives
-
- 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
- D06F39/02—Devices for adding soap or other washing agents
-
- 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
- D06F39/083—Liquid discharge or recirculation 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/68—Operation mode; Program phase
-
- 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
- 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
- D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps
-
- 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
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only
-
- 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
- D06F39/007—Arrangements of water softeners
-
- 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
- D06F39/088—Liquid supply arrangements
Definitions
- the invention relates to a method for softening laundry in a washing machine as well as a particularly suitable for carrying out this method washing machine.
- the invention relates to a method for softening laundry in a washing machine with a program control for controlling a program sequence, a drum rotatably mounted in a tub, a water supply system, a fabric softener reservoir, a at the bottom of the tub arranged lye drain system with a pump and a drive motor for the drum and a particularly suitable for performing this method washing machine.
- At least one rinse cycle is carried out for rinsing out the wash liquor enriched with impurities and detergent.
- water is generally used. The more water is used in the flushing and / or the more rinses take place, the lower the amount of impurities and detergent remaining on the fibers of the laundry.
- a fabric softener frequently used in a respective last rinse of laundry should remain in the laundry. Therefore, the last rinse usually proceeds as a fabric rinse, in which fabric softener is added.
- Such a fabric softener is usually a preparation based on cationic surfactants; Instead of or in addition to these, it is also possible to add another substance for treating the laundry in a final rinse and remaining in the laundry, in particular an impregnating agent, a fragrance or a laundry starch. All such substances are to be regarded below as "fabric softeners", unless otherwise specified.
- the addition of a softener is generally realized by providing the amount of water intended for this rinse via a softener compartment provided in an induction bowl into which the fabric softener previously filled in as softener Servoir is rinsed. However, the amount of water used for rinsing and the amount of fabric softener used should be reduced for environmental and cost reasons.
- DE 39 01 884 A1 describes a method for rinsing detergent residues from a laundry item in a washing machine, wherein the rinsing process includes a section for treating the laundry with a fabric softener, wherein the intended for the treatment of the laundry amount of fabric softener over at least one longer permanent part of the treatment section distributed, eg in small portions of several single doses to which rinse water is added.
- DE 10 2007 041 069 A1 describes a method for the detection of fabric softener in a washing machine with a program control for controlling a program flow, a rotatably mounted in a tub drum, a water inlet system, arranged at the bottom of the tub liquor drain system with a drain pump, a drive motor for the drum and a sensor, wherein in a washing process after a washing or rinsing step, in particular after a rinsing step with clear water, a signal of the sensor is detected and evaluated by comparison with a reference signal with regard to the presence of fabric softener in a rinsing liquid.
- a fabric softening step is performed, depending on the determined amount of fabric softener, the duration of the fabric softening step and / or subsequent rinsing steps, the temperature of the rinse liquid, the number of revolutions of the drum, etc. are set.
- WO 2010/105937 A1 describes a method for optimizing a rinsing phase in a washing machine with a program control for controlling a program sequence, a drum rotatably mounted in a tub, a water supply system, arranged at the bottom of the tub liquor drain system with a drain pump, a drive motor for the Drum and a sensor for the presence of fabric softener in a rinsing liquid in the tub.
- Speed wherein the rinsing phase comprises at least a first and a last step.
- a rinsing step with water and softener takes place, in which a laundry mechanism comprising the switch-on time, the duration of a reversing cycle and the speed of the drum compared to a rinsing step with water only is lowered.
- EP 0 691 099 B1 describes a dishwashing machine or washing machine which has a device for the recovery and storage of rinsing liquid for the subsequent reuse as washing liquid.
- This has a recovery container for storing the washing liquid inside the washing machine and a recovery pump, a delivery channel and a detergent holder with a larger and a smaller chamber.
- the rinsing liquid Before the rinsing liquid enters the recovery tank, it absorbs the cleaning agent contained in the smaller chamber, which due to a disinfecting effect should reduce the contamination of the stored liquid.
- DE 197 09 085 A1 describes a method for washing laundry, in particular in a household washing machine, in which the laundry in a tub during a washing section with washing liquid and during subsequent rinsing sections is treated with rinsing liquid and at the end of the respective washing / rinsing section the liquor container is emptied, wherein the washing liquid and / or the rinsing liquid at least one rinsing section are emptied into a collecting container and reused after treatment by a reverse osmosis, micro, ultra or Nanofiltrati- onsvon caching in a storage container.
- the treated washing or rinsing liquid is fed to a later rinsing section of the same program sequence.
- WO 2010/1 15683 A1 describes a water-conducting domestic appliance such as a washing machine with an ion exchanger as desalting device for producing desalinated water and a rinse water storage and an associated method.
- desalted water is used in the rinsing step, which is then stored and optionally used in a later washing process again.
- a method for laundry washing is known in which the laundry is rinsed in a rinse cycle following the washing process in the washing drum of a washing device with a fabric softener and tap water supplied from the supply network softener solution, the softener solution for at least one further rinse, but preferably for a variety of rinses, is used.
- EP 2 314 753 A1 describes a method for carrying out a rinse cycle during a washing process in a washing machine, in which the water is pumped over a circulation circuit in the rinse cycle.
- the water in the recirculation outside the wash tank is irradiated with ultraviolet light to achieve a hygienic effect even at low washing temperatures and without the use of bleaching agents.
- the addition of fabric softener preferably takes place only after a certain time rinsed without fabric softener and the water was pumped while the fabric softener causes turbidity of the rinse water, which reduces the effect of UV irradiation and thus the hygiene effect.
- the object of the present invention was to provide an improved method for softening laundry in a program-controlled washing machine and a program-controlled washing machine suitable for this purpose.
- the invention thus relates to a method for softening laundry in a washing machine with a program control for controlling a program sequence, a drum rotatably mounted in a tub in which the laundry is located, a water inlet system, a fabric softener reservoir, a bottom of the tub arranged lye drain system with a pump and a drive motor for the drum, wherein a softening step comprises the steps (a) to (e), wherein
- a rinse cycle is generally understood to mean a section of the washing program in which a first liquid, preferably water supplied via the domestic supply network or rinsing liquid stored in the washing machine from previous washing processes, is introduced into the tub and thus the drum.
- a first liquid preferably water supplied via the domestic supply network or rinsing liquid stored in the washing machine from previous washing processes
- the laundry is mixed with the first liquid, which is then pumped out.
- the number of scheduled rinses and provided for a rinse amount of liquid usually arise from the wash program.
- the amount of liquid that is introduced into the drum per rinse cycle is predetermined by the washing program and is therefore controlled accordingly by the program control.
- current factors such as the loading amount of the drum with laundry, the degree of soiling of the laundry and / or the water hardness can additionally play a role.
- steps (a) and (b) are used, in particular, for rinsing out residues of wash liquor and impurities from the wash. Consequently, the duration of these steps, in particular of step (b), is determined essentially by the exchanges required for a sufficient rinse.
- a particularly efficient softening is achieved by pumping out a part M 2 ⁇ M- 1 of the first liquid in step (c) before a second liquid containing softener is introduced from the softener reservoir into the drum in step (d).
- the pumping off of the one part M 2 ⁇ Mi of the first liquid in step (c) is understood to mean that this part M 2 of the first liquid is actually removed from the tub and not re-introduced into the tub in the same fabric wash cycle, ie especially not circulated.
- no further liquid is supplied for rinsing, before in step (d) the softener-containing second liquid is introduced into the drum.
- step (e) a soft rinse of the laundry is then carried out.
- step (e) the laundry is wetted with softener.
- the fabric softener according to the invention is preferably the last rinse of a rinse phase of a wash program.
- the softener reservoir according to the invention is not limited, as long as it can contain a certain amount of liquid, viscous or solid softener.
- it can be a fabric softener compartment within an induction bowl, which is usually present in a washing machine.
- the softener reservoir can also be equipped or connected with a metering device which allows a possible multiple addition of softener in a controlled manner.
- a softener-containing second liquid is introduced from the softener reservoir into the drum.
- the second liquid can consist of or contain the softener.
- the softener is generally mixed with an aqueous liquid, e.g. Tap water from the domestic water network, flushed into the drum.
- the second liquid therefore preferably contains a sufficient proportion of water, which ensures good accessibility of the fabric conditioner in the drum.
- the amount of water used for this purpose will generally depend on the type and amount of fabric softener, with a liquid, low-viscosity fabric softener generally a smaller amount of water is sufficient than a high-viscosity or solid softener.
- the arrangement of the fabric softener reservoir may be important.
- the fabric softener reservoir is a fabric softener compartment of a dispenser tray and is designed in such a way that the fabric softener reaches the liquor container or the drum in a targeted manner during step (d) of the method according to the invention from the softener compartment, however not before or during other sections of the wash program.
- This can be regulated, for example, by a valve controlled via the program control.
- the contents of the softener compartment can already pass through the opening of such a valve in the drum. This can happen in particular by gravity, since the fabric softener reservoir of the washing machine, for example a fabric softener compartment in a dispensing dish, is usually arranged at a higher level than the tub or the drum.
- the fabric softener may be a high viscosity liquid or a solid.
- adding the contents of the softener reservoir to the tub or drum by opening a valve and applying gravity would generally not be optimal.
- the fabric softener is removed from the fabric softener reservoir, for example, with the aid of a certain amount of water, preferably water from the domestic supply network or stored in a memory in the washing machine. a softener compartment, rinsed in the drum.
- the second liquid introduced in step (d) together with the amount of MiM 2 not pumped off contains a maximum of 5 l of water on the first liquid, preferably based on a quantity of laundry of 5 to 7 kg.
- a maximum of 5 l of water can be kept low during efficient use of the softener water consumption during the wash program.
- an amount M 2 of the first liquid which is 40% to 90% of M- 1 is pumped off in step (c). More preferably, the amount of M 2 is between 50% and 80%, and more preferably between 60% and 70% of ML
- step (c) 8 I and 18 I be the pumped off first liquid, preferably between 10 l and 16 l and more preferably between 12 l and 14 l of the first liquid.
- step (c) can take place after and / or during a slight spin-coating.
- "Slight spin-coating” means that at a maximum speed of the drum of 900 rpm, preferably at a maximum of 700 rpm and more preferably at maximum 500 rev / min is thrown.
- the steps (b) and (e) differ with regard to the switch-on time, the duration of a reversing cycle and / or the rotational speed of the drum.
- the switch-on time, the duration of a reversion cycle and / or the speed of the drum can be optimized, for example, in step (b) with regard to rinsing out the laundry without softener and in step (e) with regard to the effect of the fabric softener.
- these parameters can be adjusted accordingly differently to optimally execute steps (b) and (e).
- the turn-on time [in%] is the time proportion at the respective step (b) or (e) during which the drum rotates.
- This switch-on time preferably differs for steps (b) and (e) of the fabric softening cycle provided according to the invention.
- the switch-on time in step (b) is greater than in step (e).
- the switch-on time in step (e) is reduced by at least 20% compared to the switch-on time in step (b).
- a reversing cycle generally results from the sections: rotating the drum in one direction, resting the drum, rotating the drum in the opposite direction, resting the drum.
- a reversing cycle preferably has one in step (b) Duration of 30 to 50 s.
- the duration of the reversing cycle preferably differs in step (b) and step (e) of the fabric conditioning cycle.
- the duration of the reversing cycle in step (e) is longer than in step (b).
- the duration of the reversing cycle in step (e) is increased by at least 20% compared with the duration of the reversing cycle in step (b).
- the speed of rotation of the drum [in rpm] preferably differs in steps (b) and (e) of the softening cycle.
- the rotational speed of the drum in step (b) is greater than in step (e).
- the speed of the drum in step (e) is reduced by at least 20% with respect to the rotational speed of the drum in step (b).
- the amount M 2 of the first liquid pumped off in step (c) is stored in a rinse water storage.
- the second liquid and the amount Mi are subsequently to step (e) in a step (f).
- M 2 is pumped out of the first liquid for disposal. Generally these are not saved.
- a washing machine used has a rinse water storage, preferably an internal Spülwasser App, ie the rinse water storage is disposed within the housing.
- the rinse water storage serves to store rinsing liquid after a rinse cycle.
- this rinsing liquid optionally contains constituents of the wash liquor used in previous process steps, the proportion of such constituents being the lower, the more rinses have already taken place before the softening rinse.
- at least one further rinse has taken place before the fabric rinse cycle.
- the stored rinsing liquid is subsequently preferably used in a pre- and / or main wash, whereas water from the domestic supply network is preferably used for a rinse to minimize the amount of constituents of the wash liquor used in previous process steps in the rinse liquid hold.
- Storage of the liquid present in the drum after step (e), which contains fabric softeners, would be disadvantageous because organic substances would be introduced into the rinse water storage tank with the fabric softener. This can lead to the growth and / or spread of germs in the rinse water storage or in the stored rinsing liquid. To counteract this, an additional effort in the necessary sterilization treatment of Spülwasser addressess would be necessary.
- this embodiment has the additional advantage that water can be saved by the rinse water storage, at the same time the reusable amount of rinsing liquid is increased and an additional sterilization effort is avoided by a soft rinse entry into the rinse water storage.
- a spinning step takes place during step (c).
- the program control may receive a signal about the presence of softener. This can preferably be done by the operator by operating a corresponding option key or by a sensor for detecting the presence of fabric softener.
- the fabric rinse cycle generally only takes place when a signal that softener is present has been generated. This makes it possible to save water and time for an optionally unnecessary or unwanted rinse cycle.
- the signal on the presence of softener can be generated by operating an option key.
- the user activates the option key at the use of softener.
- such an option button is located in the control panel of the washing machine.
- an option key herein also includes the use of an automatic softener dispensing system.
- the program control also has a signal generated by an option key about the presence of softener.
- the signal about the presence of softener can also be generated by a sensor for detecting softener.
- a sensor for detecting softener is known from WO 2010/105937 A1 or from DE 10 2007 041 069 A1.
- the presence of fabric softener is determined by a suitable sensor, wherein preferably an optical sensor, a tensiometer or a conductivity sensor is used.
- the "detection of the presence of softener” preferably takes place by a comparison of the current value measured by the sensor with a reference value, for example for water without fabric softener, which was measured in a previous washing step or stored in the washing machine Evaluation with regard to the presence of softener at too low fabric softener concentration fabric softener from an optionally present metering device for the fabric softener, which preferably works automatically supplied ..
- the pumped amount M 2 of the first liquid by the result of Evaluation with regard to the presence of fabric softener means an evaluation with regard to the qualitative and possibly quantitative presence of W.
- the presence of fabric softener is qualitatively determined.
- a quantitative determination of the softener amount or concentration is carried out here.
- data stored in a memory of the program control can optionally be used for the relationship between the type and concentration of fabric softener and the respective signal (eg conductivity, surface tension, optical characteristics).
- the sensor system for detecting softener is in an advantageous embodiment in a softener compartment.
- the amount of softener can be determined before the start of the fabric conditioning cycle.
- the program control can determine the amount of first or second liquid as well as the remaining amount MM 2 of the first liquid, which is necessary for an optimum concentration of softener, on the basis of the amount of fabric softener detected. This can be done, for example, by a comparison or calculation by means of stored data.
- program control may determine how much first liquid M 2 may be pumped out in step (c) of the softening cycle so that sufficient first liquid remains in the tub to achieve an optimum fabric softening concentration during step (e).
- the invention also relates to a washing machine with a program control for controlling a program sequence, a drum rotatably mounted in a tub, a water supply system, a fabric softener reservoir, a bottom of the tub arranged Laugenablaufsystem with a drain pump and a drive motor for the drum, wherein the program control set is for carrying out a fabric conditioning operation comprising the steps (a) to (e), wherein (a) a first liquid containing no fabric softener in an amount Mi is introduced into the drum;
- the washing machine comprises a flushing water storage in which the amount of M 2 can be stored on the first liquid, to then be used for example in a subsequent wash cycle.
- this is an internal flushing water storage, which is arranged inside the housing of the washing machine.
- the used rinse liquid from the last rinses is so clean that it can be used instead of fresh water for the wetting and washing of laundry.
- the rinsing liquid from the last rinse or from step (c) of the fabric rinse cycle can be used in a washing cycle of a subsequent washing process.
- the washing machine comprises a metering device for the softener.
- the preferably automatic metering device advantageously delivers only the amount of fabric softener required for an optimum fabric softener concentration during step (d) of the fabric conditioning cycle.
- the washing machine has means for determining an optimum amount of softener in the drum depending on the type and amount of load with laundry.
- the load of laundry can be determined in a known per se.
- the washing machine may comprise means for determining an optimum amount of fabric softener in the drum, depending on the properties of the water used (e.g., water hardness, temperature). In this way, the washing machine can determine and regulate the amount of softener in the liquid in the drum required for optimum softening effect.
- the invention has numerous advantages.
- the inventive method has the advantage that the amount of water used to rinse laundry can be optimally used, especially when using a rinse water storage, since the reusable Spüliganmenge can be maximized here.
- the effort to maintain or improve the hygiene of Spüliganiquess due to the reduction of introduced organic compounds is lower.
- Softener can also be saved with the present invention, since on the one hand its effectiveness is increased and, on the other hand, the softener is mixed with a smaller amount of water. is set, so less diluted. This is very desirable for reasons of economy and environmental protection.
- the amount of fabric softener used is achieved in a lower than for the fabric softening total intended amount of liquid. In order to obtain the same concentration of fabric softener in the rinsing liquid, thus less fabric softener can be used.
- FIG. 1 is a schematic representation of the presently relevant parts of an embodiment of a washing machine, in which a method described above can be performed. Other embodiments are conceivable.
- the washing machine of the embodiment shown in Figure 1 comprises a tub 1, in which a drum 2 rotatably mounted and can be operated by a drive motor 14.
- the axis of rotation 3 of the drum 2 is directed from the horizontal by a small angle (e.g., 13 °) upwardly forward so as to provide easier access and insight into the interior of the drum 2.
- the washing machine also has a liquor inlet system comprising a water connection fitting for the domestic water network 8, an electrically controllable valve 9 and a supply line 10 to the tub 1, which is guided via a dispenser 1, from which the feed liquid can carry detergent portions in the tub 1 ,
- the dispensing dish 1 1 has a separate fabric softener compartment 18 as a softener reservoir in which a sensor 15 for the presence of fabric softener is arranged.
- a heating means 13. 16 means a pump for the liquid contained in the tub 1 and the drum 2, for example, the first liquid which is introduced in an amount M- ⁇ in the drum 2.
- Valve 9, heating device 13, pump 16 and metering device 17 can be controlled by a program control 12 in response to a program schedule, the to a time program and / or the achievement of certain measurements of parameters such as speed of the drum 2, signals of a sensor 15 for Detecting the presence of softener etc. may be bound within the washing machine.
- 19 means a sensor for the measurement of the hydrostatic pressure p in the tub 1, which can be used in particular for the determination of a loading of the drum with laundry 7.
- the washing machine has a rinse water storage 20, in which the rinse water used in rinsing the laundry can be stored from different rinses and the amount M 2 of a first liquid to be pumped.
- This rinse liquid can be used for a later wash cycle.
- the flushing water storage 20 via a line (“supply line for flushing liquid") 21 is connected to the valve 9, which also controls the supply of fresh water.
- water from the water supply is used in the embodiment of the washing machine shown here and in the process for softening laundry carried out via the valve 9.
- Water from the water supply is also passed in the process according to the invention in the fabric softener compartment 18 of the dispenser 1, in order to be rinsed together with fabric softener therein as a softener containing second liquid in step (d) of the inventive method in the drum, where then a soft rinse the Laundry is performed.
- softener reservoir e.g. Softener compartment in dispenser tray
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011083578.4A DE102011083578B4 (de) | 2011-09-28 | 2011-09-28 | Verfahren zur Weichspülung von Wäsche in einer Waschmaschine sowie hierzu geeignete Waschmaschine |
| PCT/EP2012/067994 WO2013045283A1 (de) | 2011-09-28 | 2012-09-13 | Verfahren zur weichspülung von wäsche in einer waschmaschine sowie hierzu geeignete waschmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2761076A1 true EP2761076A1 (de) | 2014-08-06 |
| EP2761076B1 EP2761076B1 (de) | 2020-12-02 |
Family
ID=46832424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12758498.5A Not-in-force EP2761076B1 (de) | 2011-09-28 | 2012-09-13 | Verfahren zur weichspülung von wäsche in einer waschmaschine sowie hierzu geeignete waschmaschine |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2761076B1 (de) |
| CN (1) | CN103827383B (de) |
| DE (1) | DE102011083578B4 (de) |
| RU (1) | RU2596938C2 (de) |
| WO (1) | WO2013045283A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140145326A (ko) * | 2013-06-13 | 2014-12-23 | 삼성전자주식회사 | 세탁기 및 그 제어방법 |
| DE102014207742B4 (de) * | 2014-04-24 | 2021-02-11 | BSH Hausgeräte GmbH | Verfahren zur hybriden Behandlung und Spülung von Wäschestücken sowie hierzu geeignete Waschmaschine |
| CN105506920B (zh) * | 2014-09-23 | 2018-01-16 | 无锡小天鹅股份有限公司 | 滚筒洗衣机及其熨衣方法 |
| CN107109759B (zh) * | 2014-12-23 | 2019-10-22 | 伊莱克斯家用电器股份公司 | 用于操作使用单位剂量包的洗衣机的方法以及洗衣机 |
| DE102016200602A1 (de) * | 2016-01-19 | 2017-07-20 | BSH Hausgeräte GmbH | Wäschepflegegerät mit einem Substanzbehälter |
| CN108342855A (zh) * | 2018-05-07 | 2018-07-31 | 朱宝荣 | 一种滚筒式单筒体绞纱染色机 |
| EP3733949B1 (de) * | 2019-04-30 | 2021-11-03 | Electrolux Appliances Aktiebolag | Verbesserte weichspülerausgabe in waschmaschinen |
| DE102024104962A1 (de) * | 2024-02-22 | 2025-08-28 | Miele & Cie. Kg | Duft- und/oder Weichspüler, Waschmaschine und Verfahren zum Betreiben der Waschmaschine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3901884A1 (de) | 1989-01-23 | 1990-07-26 | Bosch Siemens Hausgeraete | Verfahren zum ausspuelen von waschmittelresten aus einem waescheposten und einrichtung zur durchfuehrung des verfahrens |
| IT233540Y1 (it) | 1994-07-04 | 2000-01-28 | Candy Spa | Dispositivo per il recupero e la conservazione del liquido di lavaggio in macchine lavastoviglie,lavabiancheria e simili |
| DE4435253A1 (de) | 1994-08-11 | 1996-02-15 | Bachmann Magdalena Geb Poenitz | Waschmaschine sowie Verfahren zur Wäsche waschen Öko Verbesserung Weichspüler |
| DE19709085C2 (de) | 1996-05-15 | 2002-05-08 | Miele & Cie | Verfahren zum Waschen von Wäsche unter Verwendung eines Filtrationsverfahrens |
| DE19745824A1 (de) | 1997-10-16 | 1999-04-22 | Bosch Siemens Hausgeraete | Spülfunktionen durchführendes Haushaltgerät |
| DE102007041069B4 (de) | 2007-08-30 | 2017-01-12 | BSH Hausgeräte GmbH | Verfahren zur Erkennung von Weichspüler in einer Waschmaschine sowie hierzu geeignete programmgesteuerte Waschmaschine |
| JP5193588B2 (ja) * | 2007-12-26 | 2013-05-08 | ハイアール グループ コーポレーション | 洗濯機 |
| EP2408958B1 (de) | 2009-03-16 | 2013-01-23 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zur optimierung einer spülphase in einer waschmaschine sowie hierzu geeignete waschmaschine |
| EP2417292A1 (de) | 2009-04-06 | 2012-02-15 | BSH Bosch und Siemens Hausgeräte GmbH | Wasserführendes hausgerät mit entsalzungsvorrichtung sowie zugehöriges verfahren |
| EP2314753A1 (de) * | 2009-10-20 | 2011-04-27 | Electrolux Home Products Corporation N.V. | Verfahren zur Durchführung eines Spülzyklus während eines Waschvorgangs in einer Waschmaschine |
-
2011
- 2011-09-28 DE DE102011083578.4A patent/DE102011083578B4/de not_active Expired - Fee Related
-
2012
- 2012-09-13 CN CN201280047118.9A patent/CN103827383B/zh not_active Expired - Fee Related
- 2012-09-13 RU RU2014115285/12A patent/RU2596938C2/ru active
- 2012-09-13 EP EP12758498.5A patent/EP2761076B1/de not_active Not-in-force
- 2012-09-13 WO PCT/EP2012/067994 patent/WO2013045283A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2013045283A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011083578B4 (de) | 2019-10-24 |
| RU2014115285A (ru) | 2015-11-10 |
| RU2596938C2 (ru) | 2016-09-10 |
| WO2013045283A1 (de) | 2013-04-04 |
| EP2761076B1 (de) | 2020-12-02 |
| CN103827383B (zh) | 2016-11-16 |
| CN103827383A (zh) | 2014-05-28 |
| DE102011083578A1 (de) | 2013-03-28 |
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