EP2759630A2 - Procédé destiné au fonctionnement d'un lave-linge - Google Patents

Procédé destiné au fonctionnement d'un lave-linge Download PDF

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Publication number
EP2759630A2
EP2759630A2 EP14401001.4A EP14401001A EP2759630A2 EP 2759630 A2 EP2759630 A2 EP 2759630A2 EP 14401001 A EP14401001 A EP 14401001A EP 2759630 A2 EP2759630 A2 EP 2759630A2
Authority
EP
European Patent Office
Prior art keywords
water
washing machine
water level
steam
tub
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
Application number
EP14401001.4A
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German (de)
English (en)
Other versions
EP2759630B1 (fr
EP2759630A3 (fr
Inventor
Michael Finke
Heinz Maass
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP2759630A2 publication Critical patent/EP2759630A2/fr
Publication of EP2759630A3 publication Critical patent/EP2759630A3/fr
Application granted granted Critical
Publication of EP2759630B1 publication Critical patent/EP2759630B1/fr
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Anticipated expiration legal-status Critical

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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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/40—Steam generating 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 
    • D06F39/04—Heating arrangements

Definitions

  • the invention relates to a method for operating a washing machine, in particular a drum washing machine, comprising a laundry drum for receiving the laundry to be washed, a feeding device for the fresh water to be introduced into the tub, a heating body arranged in the tub for heating the wash water, which also serves as a heating device for Steam generation for treating the laundry with steam is used, a drain pump for pumping out the process water through the arranged in the housing of the washing machine sewer system, a control device, are set in accordance with the program according to water levels in the machine in conjunction with a water level sensor.
  • EP 2 381 029 A1 For example, it is known to use the existing for heating the washing water heater for generating steam in a washing machine.
  • the radiator of the machine is just flooded and the water around the radiator heated so much that steam can occur. Due to the natural buoyancy of this steam can then get into the laundry drum and in contact with the laundry.
  • the invention thus raises the problem of providing for a washing machine, a method by which steam can be generated by the arranged in the tub radiator in a sufficient amount and high intensity.
  • the proposed in claim 1 and 2 embodiments differ in that the activated radiator is once surrounded by the water during steam generation, while it is wetted in the second embodiment only with water.
  • both variants are based on the common idea to use a variable speed drain pump, with which it is possible by targeted control of the speed to shift a subset of existing in the tub water in the sewer system, without this water is pumped to the outside. As a result, defined water levels for the evaporation process can be adjusted in the tub.
  • the specified in claim 1 invention is based on the initial idea to initiate the regulation of the advantageous for steam generation water level only after the initial refueling is completed. As a result, measurement inaccuracies can be avoided, which are caused by any trailing water or by water movements that have not yet settled in the tub.
  • FIG. 1 is a washing machine 1 shown with the necessary components for explaining the invention.
  • the feed of the fresh water is carried out as usual via the inlet valves 2 and the Waschstoffein Hugheskasten 21 in the tub 3, in which the laundry drum 4 is rotatably mounted.
  • the arranged within the washing machine housing Sewage system is here formed by the bellows designed as a drain line 7, the filter housing 8, the drain pump 9, the connecting line 10 and the return valve 11.
  • the wastewater can be transported to the sewer.
  • the heating element 6 of the heating device is arranged, with which both the washing water and the steam provided for generating fresh water can be heated.
  • the symbolically represented water level sensor 5, in conjunction with the arranged control device 13, ensures that the water levels required for the respective program can be set in the tub 3.
  • the drain pump 9 which must be designed as variable speed pump.
  • the fresh water intended for steam generation is led into the tub 3, until e.g. a predetermined water level Ho is reached, which is above the upper edge of the radiator 6.
  • the speed of the drain pump 9 is slowly increased to a speed level or driven at a lower speed compared to the Abpumpjpgiere.
  • This speed level is thereby dimensioned so that a portion of the water in the tub 3 can be conveyed into the existing voids of the sewer system, but without an outward pumping.
  • a white space in the sewage system is e.g. the usual return valve 11 in question, which is not completely filled after switching off the drain pump 9 in part.
  • the water level in the tub 3 can be lowered so far by the water level sensor 5 in conjunction with the control device 13 to a new water level H1 that the radiator 6 is just covered with water.
  • the radiator 6 is switched on according to the program, this can only be found slightly above the radiator 6 existing water layer an intense vapor evolution.
  • the rising steam then passes through the natural buoyancy in the laundry located in the laundry drum 4.
  • the heating power of the radiator and the water level H1 during heating operation are matched accordingly.
  • the control of the system can be set up so that the compensation for the evaporated water over the set speed the drain pump takes place, whereby more or less water is displaced into the empty space of the sewage system. Furthermore, the possibly missing amount of water can also be compensated by a Nachankvorgang.
  • the level control by the pressure switch - can thus be adjusted for the steam generation process optimum water level, resulting in rapid steam generation.
  • FIG. 3 A second embodiment according to the invention is additionally described below FIG. 3 explained.
  • variable-speed drainage pump 9 through which a certain amount of water can be displaced from the tub 3 into the sewage system at a low adjustable speed.
  • a water level H2 is controlled, in which the radiator 6 is no longer or at least only partially in the water.
  • the intermittent operation of the drain pump 9 can be realized by the alternating switching on and off or by operating the drain pump 9 with different speed levels to bring about the short-term change of water levels H1 and H2.
  • an effective impulse vaporization can be produced, by which good treatment results for the laundry can be achieved for different situations.
  • the parameters determine water level H1 and H2 as well as the resulting by turning on and off the drain pump 9 pulse width t A the steam generating process.
  • the parameters are to be adjusted so that there is an oscillating movement of the water level as it were, with a continuous vaporization phase and a cooling phase for the heating element being obtained.
  • the speed stages to be controlled for carrying out the above-described methods are to be determined empirically depending on the specific conditions in the washing machine.
  • the respective speed will be below the speed, which is set for the Abpumpvorgang the wastewater. It is essential that a specific subset of the water can be transported into existing voids of the drain system by the controlled speed level, without the water is discharged to the outside. If a certain Volume of water has evaporated, this can of course be compensated here by a corresponding Goodankvorgang.
  • an expedient embodiment provides for both variants of the method according to the invention, the drain pump 9 to run slowly in the manner of a soft start function on the intended speed plateau, so that can not spill out by the switch-on water from the sewer system of the machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
EP14401001.4A 2013-01-29 2014-01-08 Procédé destiné au fonctionnement d'un lave-linge Active EP2759630B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013100863.1A DE102013100863B4 (de) 2013-01-29 2013-01-29 Verfahren zum Betreiben einer Waschmaschine

Publications (3)

Publication Number Publication Date
EP2759630A2 true EP2759630A2 (fr) 2014-07-30
EP2759630A3 EP2759630A3 (fr) 2014-12-17
EP2759630B1 EP2759630B1 (fr) 2016-04-06

Family

ID=50150673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14401001.4A Active EP2759630B1 (fr) 2013-01-29 2014-01-08 Procédé destiné au fonctionnement d'un lave-linge

Country Status (2)

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EP (1) EP2759630B1 (fr)
DE (1) DE102013100863B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104452227A (zh) * 2014-12-26 2015-03-25 东华大学 一种干衣机内织物烘干程度双重自动测控平台及其方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020212699A1 (de) 2020-10-08 2022-04-14 BSH Hausgeräte GmbH Wäschebehandlungsgerät mit bedampfungsfunktion und verfahren zum bedampfen von wäsche
CN112853672A (zh) * 2020-12-31 2021-05-28 长沙中联消防机械有限公司 洗涤车的整车智能控制系统和洗涤车
CN113293574A (zh) * 2021-06-09 2021-08-24 Tcl家用电器（合肥）有限公司 洗衣机及其洗涤方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2381029A1 (fr) 2010-04-26 2011-10-26 Miele & Cie. KG Procédé de fonctionnement d'un lave-linge et lave-linge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1751344B1 (fr) * 2005-05-31 2017-11-22 LG Electronics Inc. Machine a laver generant et utilisant de la vapeur
US20110197638A1 (en) * 2010-02-17 2011-08-18 Bsh Home Appliances Corporation Steam generator for domestic household appliance
DE102011000287B4 (de) * 2011-01-24 2014-09-11 Miele & Cie. Kg Verfahren zur Einstellung eines von einer Umwälzpumpe in einem wasserführenden Haushaltgerät geförderten Volumenstroms

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2381029A1 (fr) 2010-04-26 2011-10-26 Miele & Cie. KG Procédé de fonctionnement d'un lave-linge et lave-linge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104452227A (zh) * 2014-12-26 2015-03-25 东华大学 一种干衣机内织物烘干程度双重自动测控平台及其方法
CN104452227B (zh) * 2014-12-26 2016-08-03 东华大学 一种干衣机内织物烘干程度双重自动测控平台及其方法

Also Published As

Publication number Publication date
DE102013100863B4 (de) 2015-02-12
DE102013100863A1 (de) 2014-07-31
EP2759630B1 (fr) 2016-04-06
EP2759630A3 (fr) 2014-12-17

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