EP2428608A1 - Procédé de fonctionnement d'une pompe dans un appareil transportant l'eau, système mécatronique et lave-linge - Google Patents

Procédé de fonctionnement d'une pompe dans un appareil transportant l'eau, système mécatronique et lave-linge Download PDF

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Publication number
EP2428608A1
EP2428608A1 EP10401163A EP10401163A EP2428608A1 EP 2428608 A1 EP2428608 A1 EP 2428608A1 EP 10401163 A EP10401163 A EP 10401163A EP 10401163 A EP10401163 A EP 10401163A EP 2428608 A1 EP2428608 A1 EP 2428608A1
Authority
EP
European Patent Office
Prior art keywords
pump
washing
motor
frequency converter
increased
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
EP10401163A
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German (de)
English (en)
Other versions
EP2428608B1 (fr
Inventor
Günter Esch
Peter Zinkann
Klaus Schaefer
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
Priority to EP10401163A priority Critical patent/EP2428608B1/fr
Priority to SI201030128T priority patent/SI2428608T1/sl
Priority to ES10401163T priority patent/ES2397655T3/es
Priority to PL10401163T priority patent/PL2428608T3/pl
Publication of EP2428608A1 publication Critical patent/EP2428608A1/fr
Application granted granted Critical
Publication of EP2428608B1 publication Critical patent/EP2428608B1/fr
Active legal-status Critical Current
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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 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D06F39/085—Arrangements or adaptations of pumps
    • 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
    • D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
    • 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
    • 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

Definitions

  • the invention relates to a method for operating a pump with an electronically commutated motor for a Umflut raised or drain device in a water-bearing device, such as washing machine or dishwasher, comprising a treatment container for receiving washing liquid for treating material to be treated within the treatment container, wherein the method at least one washing phase has, in which washing liquid is in the tub, being promoted to the end of the washing phase by means of the drainage device from the tub out.
  • the laundry For washing laundry in a drum washing machine, the laundry is moved in the rotating drum, whereby the wetting of the laundry with the washing liquid and the washing mechanism are effected. In this case, there is water in the tub or in the drum, wherein the dirt is flushed out by the movement of the laundry.
  • it is known to raise the laundry and a portion of the washing liquid by means of drum rotation from the lower region, so that the laundry items located in the drum are sprinkled from above with washing liquid or with the Washing liquid are mixed.
  • the washing liquid is pumped, wherein the washing liquid is expelled from the laundry due to the centrifugal force occurring from the laundry by a so-called intermediate centrifuging.
  • the disadvantage here is that in strongly absorbent laundry during spin-off much water escapes from the laundry, which can not be completely pumped by a constantly driven pump drainage. In order to avoid the undesirable effect of the so-called water jacket, the spinning is interrupted until the washing liquid has fallen below a predetermined level in the tub. Thereafter, the spin is activated again.
  • the disadvantage here is that extends the entire wash program and due to the repeated spin ramps increased mechanical stress on the laundry can take place.
  • the invention is therefore based on the object to provide a method for operating a pump, in which an optimal operation of a water-conducting device is achieved.
  • the delivery rate of the pump is varied as a function of the detected level of the washing liquid in the treatment container.
  • the delivery rate of the pump is at least temporarily increased, compared with the nominal delivery rate.
  • This state also known as boost mode, makes it possible to use a pump with a smaller nominal delivery capacity, which is perfectly adequate for normal continuous operation.
  • the pump or the motor of the pump is suitable or the time limit is such that no destruction of the pump or the motor occurs.
  • the increase and / or the reduction of the delivery rate are gradual.
  • the boost mode can be carried out with 1.2 to 2 times the nominal delivery rate.
  • an on-demand boost mode may be provided in which the overload factor varies during the boost operation, depending on the conditions or levels of liquid present in the treatment vessel.
  • the method comprises a spin phase for dewatering the laundry
  • the capacity during the spin phase in Depending on the detected level of the washing liquid is increased or decreased within the tub.
  • an increased amount of liquid must be very quickly conveyed out of the suds container so that no so-called water jacket between the drum wall and the suds container wall is formed by entrained liquid.
  • Increasing the capacity at the beginning of the spin phase avoids this effect.
  • the invention also relates to a frequency converter for energizing at least one electronically commutated motor for driving a pump for conveying washing liquid in a water-conducting device, which is adapted for a predetermined period of time the motor increased electrical power in the form of increased voltage, current and / or supply frequency, which is adapted to cause an increased flow rate of the pump for the predetermined period, wherein the predetermined period for the increased electrical conduction can be supplied to the frequency converter.
  • a corresponding existing pump can be set up with a simple modification of the converter for a demand-oriented operation of the liquid delivery.
  • the invention further relates to a mechantronic system comprising a frequency converter as described above and at least one motor for driving a pump, wherein the motor is a permanent magnet synchronous motor.
  • the mechatronic system provides optimum engine function for on-demand pump operation because the components and switching behavior of all components in the frequency converter are optimally matched to the characteristics of the engine.
  • the mechatronic system comprises a further electronically commutated motor for driving a further pump, wherein the frequency converter is adapted to supply one of the two motors with increased electrical power for a predetermined period, and the other motor with at most rated power supply.
  • the frequency converter is adapted to supply one of the two motors with increased electrical power for a predetermined period, and the other motor with at most rated power supply.
  • the invention further relates to a washing machine with a tub for holding washing liquid for treating laundry, a horizontally rotatably mounted drum in the tub, a motor for rotating the drum, a radiator, a drainage device comprising a mechatronic system as described above, a water inlet device and a Control means for controlling the individual phases of the selected washing program, and further at least one sensor for detecting the liquid level within the tub, which is in operative connection with the control means, wherein the control means is in operative connection with the frequency converter for controlling the motor for the pump and adapted to supply the period for the increased electrical power supplied to the motor to the frequency converter, during the spin phase, depending on the detected level of the washing fluid within of the tub.
  • the pump operation can be specifically adjusted based on the parameters recorded in the washing process, so that a shortening and an increase in the effectiveness is achieved.
  • a washing machine comprising a Umflut issued with a Umflutpumpe, which is adapted to at least temporarily to promote washing liquid from the lower region of the tub in the upper region, based on the operational installation position of the washing machine, is the mechatronic system for driving the other Motors intended for driving the circulating pump.
  • Fig. 1 is a purely schematic representation of a washing machine 1, shown with a trained as a tub 2 treatment tank.
  • the position and direction information refer to the operational installation position of the washing machine 1.
  • a rotatably mounted and driven by an electric motor 13 drum 3 is arranged, which moves the laundry items located in the tub 2 8.
  • the drum 3 is made in the present embodiment of stainless steel and provided with a plurality of openings for the flooding.
  • the housing 4 has a loading opening 9, via which the interior of the drum 3 can be reached through the sealing sleeve 6.
  • the loading opening 9 can be closed by means of a door 5.
  • a radiator 7 is arranged, which can heat the washing liquid in the tub.
  • an inlet valve 15 is sketched, which provides the running in of the water from the supply network.
  • the water is passed through the connecting pipe 14 in the tub 2, wherein in the dispenser 11 entered detergent is flushed into the tub 2.
  • a drain device 12 is arranged, which leads the spent washing liquid or the rinse water from the tub 2 to the drain line 12c, which usually opens into a sewer.
  • the control device 18 controls the inlet valve 15, the activity of the drainage device 12, the drive motor 13, which is energized via the power unit or a frequency converter (not shown), and the radiator 7.
  • the pump 17a is mounted in a flooding device.
  • the pump 17a is connected to the drain pipe 12b on the inlet side and suction side, respectively, and can convey the washing liquid 19 therein through the pipe 17b into the upper portion of the tub 2 and the drum 3, respectively.
  • the washing liquid 19 is injected or flows onto the laundry items 8 through the nozzle or the outlet 17c.
  • Fig. 1 is also shown that the level of the washing liquid 19 is just below the maximum value Max. At the critical level Crit the heater 7 is just covered with washing liquid, so that no dry heating takes place. Below the minimum Level Min, there is a risk that the circulating pump 17a can no longer completely suck in liquid, so that it can lead to increased noise.
  • Fig. 1 is also shown schematically that the pumps 12a and 17a each include an electric motor 12d, 17d, which serves to drive the pump 12a, 17a.
  • both the motor 12d of the drain pump and the motor 17d of the bypass pump 17a are energized by the frequency converter 16.
  • the frequency converter 16 is operatively connected to the control device 18, so that the control device 18 transmits the specifications to the frequency converter 16 via a signal connection, when the respective pump motors 12d, 17d are to be activated and when the operation should take place with the increased power supply.
  • a complete sequence of a washing program WP is shown in a diagram.
  • the individual phases within the wash program WP are shown on the time axis t.
  • the program sequence WP shown here comprises a washing phase Wa, a rinsing phase Sp and a spinning phase Sc.
  • the radiator 7 and the Umflut Anlagen 17 are controlled accordingly to heat the washing liquid 19 to the predetermined temperature.
  • the water is introduced into the flushing device or the dispenser 11, whereby the processing agent stored therein, such as washing powder, is introduced through the connecting tube 14 into the tub 2.
  • the heating-up section Hz in which the washing liquid is heated by means of the activated heating element 7 to the temperature preset by the control device 18 by the selected program.
  • the washing liquid 19 cools.
  • the washing phase Wa is ended with the pumping, wherein the drain device 12, in particular the pump 12a or a drain valve is activated.
  • pumping can also be spun so that the scrubbing added with detergent washing liquid 19 is removed from the fabric of the laundry items 8.
  • the flushing section Sp in which fresh water is introduced into the tub 2 and the items of laundry 8 are moved therein.
  • the rinse water is pumped out, followed by the final spin Sc for dewatering the laundry items 8.
  • the drum 3 is rotated at a higher speed compared to the washing process, in which the laundry items 8 abut the drum shell and the water or the washing liquid due to the centrifugal force out of the fabric out through the drum openings is thrown.
  • the drain device 12 is activated in this case, so that the liquid is removed from the tub 2.
  • Fig. 3a to 3c the control of the motor 12d of the drain pump 12a according to the inventive method is shown in a diagram.
  • the time points on the time axis t are given here only symbolically, in the real process, these markings correspond to a time unit.
  • the washing phase Wa is completed and the washing liquid 19 is pumped out of the tub 2, in which the pump 12a of the drain device 12 is activated ( Fig. 3a).
  • Fig. 3c It can be seen that the liquid level within the tub 2 is reduced from the maximum value Max.
  • This control behavior is achieved in that the frequency converter 16, which energizes the pump motor 12d, receives the commands from the control device 18 by means of a signal connection or data connection in order to operate the pump motor 12d in a demand-oriented manner as a function of the conditions occurring in the washing process.
  • Fig. 3a to 3c said sequence is suitable in a corresponding manner for the operation of a circulating pump 17a, for example, if the Umflut plante associated with a centrifugal operation in which the drum 3 at a speed above the Startup speed is rotated and for a limited period of increased delivery capacity of the bypass pump 17a is required.
  • the method may also be used in accordance with the operation of the circulating pump and / or the drain pump in a dishwasher.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP10401163A 2010-09-14 2010-09-14 Procédé de fonctionnement d'une pompe dans un lave-linge, système mécatronique et lave-linge Active EP2428608B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP10401163A EP2428608B1 (fr) 2010-09-14 2010-09-14 Procédé de fonctionnement d'une pompe dans un lave-linge, système mécatronique et lave-linge
SI201030128T SI2428608T1 (sl) 2010-09-14 2010-09-14 Postopek za delovanje äśrpalke v pralnem stroju, mehanotronski sistem in pralni stroj
ES10401163T ES2397655T3 (es) 2010-09-14 2010-09-14 Procedimiento para operar una bomba en una máquina lavadora, sistema mecatrónico y máquina lavadora
PL10401163T PL2428608T3 (pl) 2010-09-14 2010-09-14 Sposób sterowania pompą w pralce, system mechatroniczny i pralka

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10401163A EP2428608B1 (fr) 2010-09-14 2010-09-14 Procédé de fonctionnement d'une pompe dans un lave-linge, système mécatronique et lave-linge

Publications (2)

Publication Number Publication Date
EP2428608A1 true EP2428608A1 (fr) 2012-03-14
EP2428608B1 EP2428608B1 (fr) 2012-12-19

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EP10401163A Active EP2428608B1 (fr) 2010-09-14 2010-09-14 Procédé de fonctionnement d'une pompe dans un lave-linge, système mécatronique et lave-linge

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Country Link
EP (1) EP2428608B1 (fr)
ES (1) ES2397655T3 (fr)
PL (1) PL2428608T3 (fr)
SI (1) SI2428608T1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2746451A1 (fr) * 2012-12-18 2014-06-25 Miele & Cie. KG Procédé de vidange d'un liquide à partir d'un appareil ménager transportant de l'eau, notamment depuis un lave-linge, et appareil ménager transportant de l'eau
EP2933366A1 (fr) * 2014-04-16 2015-10-21 Miele & Cie. KG Procédé de fonctionnement d'un lave-linge avec dispositif de recirculation
WO2016155818A1 (fr) * 2015-04-01 2016-10-06 Arcelik Anonim Sirketi Topologie d'onduleur unipolaire permettant d'entraîner simultanément des moteurs à courant continu sans balai
WO2016185005A1 (fr) * 2015-05-21 2016-11-24 BSH Hausgeräte GmbH Appareil d'entretien du linge comprenant une pompe à lessive
WO2017021101A1 (fr) * 2015-08-04 2017-02-09 BSH Hausgeräte GmbH Appareil d'entretien du linge pourvu d'un système à circulation
EP3219841A1 (fr) * 2016-03-16 2017-09-20 BSH Hausgeräte GmbH Procédé de fonctionnement d'un appareil ménager à circulation d'eau comprenant un fonctionnement amélioré de la pompe
DE102016209516A1 (de) * 2016-06-01 2017-12-07 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
DE102016123409A1 (de) 2016-12-05 2018-06-07 Miele & Cie. Kg Pumpe, insbesondere für ein wasserführendes Haushaltsgerät wie insbesondere eine Waschmaschine
DE102017201008B3 (de) 2017-01-23 2018-06-21 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
CN112831979A (zh) * 2019-11-22 2021-05-25 青岛海尔滚筒洗衣机有限公司 衣物处理设备及其排水控制方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10060561A1 (de) * 2000-11-30 2002-06-06 Schurr Stahlecker & Grill Hauptantrieb für eine Spinnmaschine
DE10161014A1 (de) * 2001-12-12 2003-06-26 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zum Antreiben von Walzen einer Offenend-Spinnmaschine
US20040078902A1 (en) 1998-11-17 2004-04-29 Fisher & Paykel Limited Laundry machine
US20050073278A1 (en) * 2003-10-07 2005-04-07 Askoll Holding S.R.L. Electronic device for controlling a discharge pump driven by a synchronous electric motor with a permanent-magnet rotor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040078902A1 (en) 1998-11-17 2004-04-29 Fisher & Paykel Limited Laundry machine
US20040088797A1 (en) 1998-11-17 2004-05-13 Fisher & Paykel Limited Laundry machine
DE10060561A1 (de) * 2000-11-30 2002-06-06 Schurr Stahlecker & Grill Hauptantrieb für eine Spinnmaschine
DE10161014A1 (de) * 2001-12-12 2003-06-26 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zum Antreiben von Walzen einer Offenend-Spinnmaschine
US20050073278A1 (en) * 2003-10-07 2005-04-07 Askoll Holding S.R.L. Electronic device for controlling a discharge pump driven by a synchronous electric motor with a permanent-magnet rotor
EP1638201B1 (fr) * 2003-10-07 2009-04-08 Askoll Holding S.r.l. Appareil électronique controllant une pompe de décharge entraînée par un moteur synchrone à aimants permanents

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2746451A1 (fr) * 2012-12-18 2014-06-25 Miele & Cie. KG Procédé de vidange d'un liquide à partir d'un appareil ménager transportant de l'eau, notamment depuis un lave-linge, et appareil ménager transportant de l'eau
EP2933366A1 (fr) * 2014-04-16 2015-10-21 Miele & Cie. KG Procédé de fonctionnement d'un lave-linge avec dispositif de recirculation
WO2016155818A1 (fr) * 2015-04-01 2016-10-06 Arcelik Anonim Sirketi Topologie d'onduleur unipolaire permettant d'entraîner simultanément des moteurs à courant continu sans balai
CN107683355A (zh) * 2015-05-21 2018-02-09 Bsh家用电器有限公司 具有碱液泵的洗涤物护理器具
WO2016185005A1 (fr) * 2015-05-21 2016-11-24 BSH Hausgeräte GmbH Appareil d'entretien du linge comprenant une pompe à lessive
CN107683355B (zh) * 2015-05-21 2020-03-24 Bsh家用电器有限公司 具有碱液泵的洗涤物护理器具
RU2676010C1 (ru) * 2015-05-21 2018-12-25 Бсх Хаусгерете Гмбх Прибор для ухода за бельем с насосом для стирального раствора
WO2017021101A1 (fr) * 2015-08-04 2017-02-09 BSH Hausgeräte GmbH Appareil d'entretien du linge pourvu d'un système à circulation
CN107849794A (zh) * 2015-08-04 2018-03-27 Bsh家用电器有限公司 具有循环系统的衣物护理器具
CN107849794B (zh) * 2015-08-04 2020-04-24 Bsh家用电器有限公司 具有循环系统的衣物护理器具
CN107201632A (zh) * 2016-03-16 2017-09-26 Bsh家用电器有限公司 用于通过改善的泵运行来运行导水的家用器具的方法
EP3219841A1 (fr) * 2016-03-16 2017-09-20 BSH Hausgeräte GmbH Procédé de fonctionnement d'un appareil ménager à circulation d'eau comprenant un fonctionnement amélioré de la pompe
DE102016209516A1 (de) * 2016-06-01 2017-12-07 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
DE102016209516B4 (de) 2016-06-01 2022-05-12 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
DE102016123409A1 (de) 2016-12-05 2018-06-07 Miele & Cie. Kg Pumpe, insbesondere für ein wasserführendes Haushaltsgerät wie insbesondere eine Waschmaschine
DE102017201008B3 (de) 2017-01-23 2018-06-21 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Steuerung
EP3351674A1 (fr) 2017-01-23 2018-07-25 BSH Hausgeräte GmbH Appareil d'entretien de linge doté d'une commande
CN112831979A (zh) * 2019-11-22 2021-05-25 青岛海尔滚筒洗衣机有限公司 衣物处理设备及其排水控制方法
CN112831979B (zh) * 2019-11-22 2024-03-01 上海海尔洗涤电器有限公司 衣物处理设备及其排水控制方法

Also Published As

Publication number Publication date
PL2428608T3 (pl) 2013-04-30
EP2428608B1 (fr) 2012-12-19
ES2397655T3 (es) 2013-03-08
SI2428608T1 (sl) 2013-02-28

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