EP4127293A1 - Verfahren und waschautomat - Google Patents
Verfahren und waschautomatInfo
- Publication number
- EP4127293A1 EP4127293A1 EP21715188.5A EP21715188A EP4127293A1 EP 4127293 A1 EP4127293 A1 EP 4127293A1 EP 21715188 A EP21715188 A EP 21715188A EP 4127293 A1 EP4127293 A1 EP 4127293A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- laundry
- area
- water
- 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.)
- Withdrawn
Links
- 238000005406 washing Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 4
- 101150114468 TUB1 gene Proteins 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 241000264877 Hippospongia communis Species 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008237 rinsing water Substances 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
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing
-
- 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
- D06F21/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement
- D06F21/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement about a horizontal axis
- D06F21/04—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement about a horizontal axis within an enclosing receptacle
-
- 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
- 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
- D06F39/08—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
- 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
- D06F39/087—Water level measuring or regulating devices
-
- 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
- D06F2103/02—Characteristics of laundry or load
- D06F2103/04—Quantity, e.g. weight or variation of weight
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/18—Washing liquid level
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/24—Spin speed; Drum movements
-
- 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
- D06F2103/44—Current or voltage
- D06F2103/48—Current or voltage of the motor driving the pump
-
- 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
- D06F2105/06—Recirculation of washing liquids, e.g. by pumps or diverting valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Definitions
- the invention relates to a method for operating an automatic washing machine and an automatic washing machine.
- the invention relates to a method for operating an automatic washing machine with a tub for receiving water, a drum rotatably mounted in the tub for receiving laundry, a motor for driving the drum and a control or regulating device, the method performing a Has washing program with a washing phase and / or at least one rinsing phase, and a correspondingly designed washing machine.
- Position and directional information refer to an operational set-up position of the washing machine.
- the circulation system has a circulation pump, a hose and a nozzle. The circulation pump sucks the water out of the sump of the washing machine. The water is then pumped through the hose up to the nozzle, which is arranged to spray the laundry with water from above.
- the flooding system is associated with additional manufacturing costs.
- the invention thus poses the problem of providing a method for operating an automatic washing machine and an automatic washing machine which allow the laundry to be sprinkled in a cost-effective manner.
- the advantages that can be achieved with the invention are, in addition to the possibility of effectively sprinkling the laundry and the associated better washing and / or rinsing effect, in its cost-effectiveness. No circulation system is required, which saves components and costs.
- the invention relates to a method for operating an automatic washing machine with a tub for receiving water, a rib-less drum rotatably mounted in the tub for receiving laundry, a motor for driving the drum and a control or regulating device, the method performing a Has washing program with a washing phase and / or at least one rinsing phase, the method having the following steps a) Supplying water into the tub and a first area of the drum in at least one of these phases up to a predetermined water level that is selected such that the Laundry floats in the water, and b) rotating the drum at a predetermined speed in such a way that water separates from a second area of the drum and falls onto the laundry.
- the invention is based on the basic idea that the washing machine has a rib-less drum and, at the predetermined water level, the predetermined speed is set in such a way that the water in a gap between the tub and the drum is carried along by the rotation of the drum to such an extent that in the water located in the first area is guided by the rotary movement to the second area, where it becomes detached from the drum and falls onto the laundry.
- the predetermined speed is set in such a way that the water in a gap between the tub and the drum is carried along by the rotation of the drum to such an extent that in the water located in the first area is guided by the rotary movement to the second area, where it becomes detached from the drum and falls onto the laundry.
- the water level reaching into the drum is selected in such a way that the laundry can float up.
- a ribless drum is a drum that does not have a rib or driver inside. However, it can have other elevations and / or depressions that do not have the shape of the plate-shaped rib or the driver.
- the drum preferably the drum shell, preferably has depressions and / or elevations other than a rib. It preferably has honeycombs, each of which is designed as an elevation or depression.
- the water falls in the form of drops from the second area onto the laundry.
- the laundry is irrigated and / or sprayed with water.
- the laundry is preferably at least partially located in the first area.
- the second area is preferably the area of the drum in which the water carried along by the rotation of the drum in the gap between the tub and the drum dissolves and falls onto the laundry in the first area of the drum.
- the first area is the lower area and the second area is the upper area, based on an operational set-up position of the washing machine.
- the drum is preferably circular in cross-section, the first area is an area of the drum between a 5 and a 7 o'clock position and the second area is an area of the drum between a 12 and a 2 o'clock position, more preferably at about 1 o'clock -Position and / or between a 10 and a 12 o'clock position, more preferably at about 11 o'clock position when viewed in the circular cross-section.
- the first range between a 5 and 7 o'clock position is to be understood here in such a way that an axis of rotation running through a center of the drum, which is circular in cross section, corresponds analogously to the point of rotation of the hands of a watch.
- the first area between a 5 o'clock and 7 o'clock position therefore designates the corresponding area in the lower half of the drum when viewed from the front from the direction of a loading opening of the washing machine with the drum axis of rotation as the center.
- the second area between a 12 and 2 o'clock position and / or between a 10 and 12 o'clock position corresponds accordingly to the corresponding area in the upper half of the drum. More preferably, the second region is the region of the drum between the 12 and 2 o'clock positions, even more preferably at about 1 o'clock.
- steps a) and b) are carried out in at least one of the at least one rinsing phases. This provides an effective flushing effect in a cost-effective manner.
- a detection phase is preferably carried out in which a load amount of laundry in the drum is detected, and step b) is carried out as a function of the detected load amount.
- step b) is carried out as a function of the detected load amount.
- Step b) is preferably carried out when the loading amount is below a predetermined limit value.
- the limit value is preferably selected in such a way that it is possible for the laundry to float up, preferably complete floatation, in step b). If the load is so large that, for example, no floating can take place due to a lack of space, step b) is not carried out. Is the Loading amount such that floating can take place, step b) is carried out.
- the predetermined limit value depends on a type of laundry that is determined by selecting the washing program.
- different washing programs such as cotton, delicates, wool washing programs are stored in a washing machine, which are intended and / or recommended for different types of textiles such as cotton, silk or wool textiles and of which a user selects one before starting a washing program .
- the predetermined limit value is preferably in the range from 1 to 7 kg, preferably 2 to 5 kg, depending on the type of laundry.
- the predetermined speed is preferably in the range of 70 and 180 min -1 or 90 to 110 min -1 .
- the second area in the upper area of the drum is in particular between the 12 and 2 o'clock position and / or between the 10 and 12 o'clock position when the first area is in the lower area of the drum.
- the invention also relates to an automatic washing machine with a tub for holding washing liquid, a rib-less drum rotatably mounted in the tub for holding laundry, a motor for driving the drum and a control or regulating device which is designed according to a method according to one or more of the to carry out several of the embodiments described above.
- Embodiments and advantages described for the method apply accordingly to the washing machine and vice versa.
- the washing machine can be a front loader or a top loader.
- the term “washing machine” also includes a combination device such as a washer-dryer.
- the drum is preferably mounted in the tub so that it can rotate horizontally.
- the control or regulating device can be designed in one or more parts. In addition to regulating the speed of the motor for driving the drum, it has other regulations or controls that are required to carry out the washing program.
- the washing machine does not have a circulation system. That is, the washing machine in particular does not have the circulation system described above, which is designed to suck water from the sump by means of the circulation pump and then pump it through the hose to the nozzle, which is arranged in such a way that it sprays the laundry with water from above .
- a flooding system is superfluous for the washing machine according to the invention.
- FIG. 1 shows a partial cross-sectional view of an automatic washing machine according to the invention.
- FIG. 2 shows a washing program stored in the washing machine shown in FIG. 1 as a diagram over time.
- Fig. 1 shows a partial cross-sectional view of a washing machine according to the invention.
- the washing machine has a tub 1 for holding water 7, a rib-free drum 2 rotatably mounted in the tub 1 for holding laundry 8 and a motor 3 for driving the drum 2.
- the washing machine also has a dispenser box 6, which can optionally contain a treatment agent such as washing powder and which is connected to the tub 1 so that water 7 can be let into the tub 1 and into the drum 2 via it.
- the drum 2 has a plurality of drum openings (not shown) for throughflow.
- the washing machine also has a drain device 5 in order to be able to remove the water 7 from the tub 1.
- the drainage device 5 has a drainage pipe 5a which connects the tub 1 to a drainage pump 5b, which in turn is connected to a drainage line 5c, which as a rule opens into a sewer.
- the washing machine also has a control or regulating device 4 which is designed to control or regulate the motor 3, a water inlet and outlet, the execution of a washing program and the like.
- a washing program shown in FIG. 2 is carried out, for example.
- water 7 is supplied to the tub 1 and a first area of the drum 2, which corresponds approximately to a 5 to 7 o'clock position, up to a predetermined water level h, which is selected such that the Laundry 8 floats in the water 7, and then the drum 2 is rotated at a predetermined speed in such a way that water 7 is released from a second region of the drum 2 and falls onto the laundry 8.
- the predetermined speed is set in particular such that the water 7 in a gap between the tub 1 and the drum 2 is carried along by the rotation of the drum 2 to such an extent that the water 7 in the form of water droplets approximately in the 1 o'clock position (if the cross-sectional view of the drum 2 is viewed analogously to a clock) and falls onto the laundry 8.
- the water level h is selected such that the laundry 8 can float up. As a result, friction between the drum shell and the laundry 8 is eliminated and the Laundry 8 is not set in rotary motion by the rotation of drum 2, but remains essentially in the same position.
- FIG. 2 shows a washing program stored in the washing machine shown in FIG. 1 as a diagram over time.
- the individual phases within the washing program ms Wp are shown on the time axis t.
- the program sequence Wp shown here comprises a detection phase Er, a washing phase Wa, a rinsing phase Sp and a spin phase Sc.
- the item of laundry is detected in the detection phase Er, in which a load of laundry in the drum is detected.
- water is let in via the dispenser drawer, whereby a treatment agent stored in it, such as washing powder, is let into the tub.
- a heating section Hz in the washing phase Wa in which the water is heated to a temperature by means of a switched-on heating element of the washing machine, which is specified by the control or regulating device of the selected washing program Wp.
- the heating element is switched off and a so-called post-washing section Na follows.
- the laundry is moved by means of a rotating drum, the water cooling down.
- the washing phase Wa is ended with the pumping, the drainage device, in particular the drainage pump, being activated. When pumping, it can also be spun so that the water mixed with the treatment agent is removed from the laundry.
- the rinsing phase Sp in which water is again let into the tub and the laundry is moved in it in order to rinse the laundry.
- the rinsing water is pumped out, with the final spin Sc then following for dewatering the laundry.
- the drum is rotated at an increased speed compared to the washing process, at which the laundry rests on the drum shell and the water is thrown out of the laundry through the drum openings due to the centrifugal force.
- the drain device is activated here so that the water is removed from the tub.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020108734.9A DE102020108734A1 (de) | 2020-03-30 | 2020-03-30 | Verfahren und Waschautomat |
| PCT/EP2021/057262 WO2021197896A1 (de) | 2020-03-30 | 2021-03-22 | Verfahren und waschautomat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4127293A1 true EP4127293A1 (de) | 2023-02-08 |
Family
ID=75278001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21715188.5A Withdrawn EP4127293A1 (de) | 2020-03-30 | 2021-03-22 | Verfahren und waschautomat |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20230160123A1 (de) |
| EP (1) | EP4127293A1 (de) |
| KR (1) | KR20220151709A (de) |
| CN (1) | CN115667615A (de) |
| DE (1) | DE102020108734A1 (de) |
| WO (1) | WO2021197896A1 (de) |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1148517B (de) * | 1956-07-23 | 1963-05-16 | A Michaelis G M B H Maschf | Trommelwaschmaschine |
| KR100498316B1 (ko) * | 2003-02-14 | 2005-07-01 | 엘지전자 주식회사 | 드럼 세탁기의 세탁방법 |
| US20080092305A1 (en) * | 2003-05-28 | 2008-04-24 | Jae Cheol Lyu | Control Method for the Drum Washing Machine |
| US8387189B2 (en) * | 2005-03-25 | 2013-03-05 | Lg Electronics Inc. | Method for washing of washer |
| EP1751344B1 (de) * | 2005-05-31 | 2017-11-22 | LG Electronics Inc. | Waschmaschine mit dampferzeugung und -verwendung |
| KR100786074B1 (ko) * | 2005-12-02 | 2007-12-17 | 엘지전자 주식회사 | 드럼 세탁기 및 드럼 세탁기의 터브 세척 방법 |
| DE102011007141A1 (de) * | 2011-04-11 | 2012-10-11 | Gottlob Stahl Wäschereimaschinenbau GmbH | Waschmaschine |
| EP2540896B1 (de) * | 2011-06-30 | 2016-04-13 | Electrolux Home Products Corporation N.V. | Verfahren zum Waschen von Wäsche in einer Waschmaschine |
| EP2578736A1 (de) * | 2011-10-03 | 2013-04-10 | Electrolux Home Products Corporation N.V. | Verfahren zum Waschen von Wäsche in einer Waschmaschine |
| EP2746444B1 (de) * | 2012-12-21 | 2015-12-09 | Electrolux Home Products Corporation N.V. | Verfahren zur Steuerung einer Waschmaschine und Waschmaschine |
| CN105088616A (zh) * | 2014-04-30 | 2015-11-25 | 无锡小天鹅股份有限公司 | 滚筒洗衣机及其洗涤控制方法 |
| DE102014108591B4 (de) * | 2014-06-18 | 2016-10-20 | Miele & Cie. Kg | Verfahren zum Feuchtwaschen |
| US9863080B2 (en) * | 2015-11-19 | 2018-01-09 | Whirlpool Corporation | Laundry treating appliance and methods of operation |
-
2020
- 2020-03-30 DE DE102020108734.9A patent/DE102020108734A1/de not_active Withdrawn
-
2021
- 2021-03-22 US US17/915,601 patent/US20230160123A1/en not_active Abandoned
- 2021-03-22 EP EP21715188.5A patent/EP4127293A1/de not_active Withdrawn
- 2021-03-22 CN CN202180033451.3A patent/CN115667615A/zh active Pending
- 2021-03-22 WO PCT/EP2021/057262 patent/WO2021197896A1/de not_active Ceased
- 2021-03-22 KR KR1020227037858A patent/KR20220151709A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021197896A1 (de) | 2021-10-07 |
| US20230160123A1 (en) | 2023-05-25 |
| KR20220151709A (ko) | 2022-11-15 |
| CN115667615A (zh) | 2023-01-31 |
| DE102020108734A1 (de) | 2021-09-30 |
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