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WO2017036736A1 - Appareil de soin du linge équipé d'une pompe de circulation - Google Patents

Appareil de soin du linge équipé d'une pompe de circulation Download PDF

Info

Publication number
WO2017036736A1
WO2017036736A1 PCT/EP2016/068820 EP2016068820W WO2017036736A1 WO 2017036736 A1 WO2017036736 A1 WO 2017036736A1 EP 2016068820 W EP2016068820 W EP 2016068820W WO 2017036736 A1 WO2017036736 A1 WO 2017036736A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump
circulation
laundry care
controller
circulation system
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.)
Ceased
Application number
PCT/EP2016/068820
Other languages
German (de)
English (en)
Inventor
Rainer Jurmann
Dirk MISCHKE
Raymond Römer
Jörg SKRIPPEK
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to CN201680049818.XA priority Critical patent/CN107923101B/zh
Priority to PL16754450T priority patent/PL3344811T3/pl
Priority to EP16754450.1A priority patent/EP3344811B1/fr
Publication of WO2017036736A1 publication Critical patent/WO2017036736A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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 
    • D06F33/43—Control of cleaning or disinfection of washing machine parts, e.g. of tubs
    • 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
    • D06F2103/28—Air properties
    • D06F2103/36—Flow or velocity
    • 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

Definitions

  • the present invention relates to a laundry care device with a circulation pump.
  • circulation systems with circulation pumps are used.
  • wash liquor is pumped from the tub in a circulation line and then fed to the tub again.
  • This pumping process results in renewed wetting of the laundry in a washing drum of the laundry care appliance with washing liquor, as a result of which the laundry care result can be improved.
  • contaminants such as e.g. Hair, lint, detergent, or lime deposits, as well as other impurities, in the circulation system.
  • the contaminants may be contiguous and may hinder the flow of wash liquor in the circulation system.
  • the object according to the invention is provided by a laundry care appliance having a suds container for holding suds, the suds container having a discharge opening for discharging washing liquor and a supply opening for supplying washing liquor with a circulation system
  • the circulation system comprises a circulation conduit which communicates with the discharge opening fluidly communicating with the supply port, and having a circulation pump connected to the circulation passage, and a controller for controlling the circulation pump according to a laundry care program with a washing process, the controller being configured to activate the circulation pump to activate wash liquor during the washing process pumping through the discharge opening from the tub to the circulation line and pumping the pumped wash liquor from the circulation line through the feed opening into the tub, and wherein the controller is arranged to control the circulation pump after the washing process to wash liquor with an increased pump pressure in the circulation system to pump impurities from the circulation system into the tub.
  • the technical advantage is achieved that by increasing the pump pressure in the circulation system after the washing process of the laundry care program in the circulation system, impurities present in the circulation system can be carried into the tub and thereby removed from the circulation system. The impurities can then be removed from the tub.
  • a circulation system is often used to achieve an advantageous cleaning result of the laundry.
  • the circulation system includes, among other things, the circulation pump to pump wash liquor out of the tub during a circulation or pumping operation and back into the tub.
  • the controller activates during the washing process, the circulation pump to pump wash liquor through the discharge opening from the tub in the circulation line and to pump the pumped wash liquor from the circulation line through the feed opening in the tub to rewet the laundry in the washing drum with wash liquor , whereby an advantageous cleaning of the laundry is ensured.
  • contaminants such as hair, lint, detergent, or limescale or other debris, often accumulate in the circulation system, and may interfere with the flow of liquor in the circulation system.
  • the controller drives the circulation pump to pump wash liquor in the circulation system at an elevated pump pressure.
  • the circulation pump By increasing the pump pressure of the circulation pump
  • the impurities are transported from the circulation system to the tub and thereby removed from the circulation system. This can prevent contaminants from clogging the circulation system, which may affect the effectiveness of the circulation system.
  • a laundry care appliance is understood to mean a device which is used for laundry care, such as e.g. a washing machine or a tumble dryer.
  • a laundry care appliance is understood as a household laundry care appliance. So a laundry care device, which is used in the context of household management, and is treated with the laundry in normal household quantities.
  • the laundry care appliance comprises a pump drive for driving the circulation pump, wherein the control is designed to operate the pump drive at a first pump drive speed during the washing process in order to supply wash liquor during the washing process by the circulation pump in the circulation system pumping the first pump pressure, wherein the controller is configured, after the washing process, to operate the pump drive at a second pump drive speed greater than the first pump drive speed to deliver wash liquor to a second pump pressure after the wash process by the circulation pump in the circulation system; which is greater than the first pump pressure to pump.
  • the controller also increases the pump pressure of the circulation pump after the washing process, thereby achieving an increase in the pumping power of the circulation pump in the circulation system.
  • impurities can be conveyed from the circulation system into the tub.
  • the laundry care appliance comprises a dispenser for flushing fresh water into the tub
  • the controller is designed to activate the dispenser during a washing process subsequent to the washing process rinsing process of the laundry care program to flush fresh water into the tub
  • the controller is configured to control the circulation pump to pump wash liquor during the purge process in the circulation system at an elevated pump pressure.
  • the technical advantage is achieved that by increasing the pump pressure in the circulation system during the time adjoining the washing process rinsing process impurities can be effectively transported from the circulation system in the tub.
  • impurities can be effectively transported from the circulation system in the tub.
  • the controller is designed to control the circulation pump during a first rinse section of the rinse process in order to pump heated wash liquor during the wash process in the circulation system during the first rinse section with an increased pump pressure.
  • heated wash liquor in the circulation system can be pumped with increased pump pressure during the first purge section of the purge process, thereby effectively removing contaminants from the circulation system.
  • the washing process of the laundry care program takes place before the first rinsing section of the rinsing process.
  • the wash liquor is heated to ensure an advantageous cleaning of the laundry by the heated wash liquor.
  • the heated wash liquor may be used during the first flushing portion of the flushing process subsequent to the washing process to ensure advantageous removal of impurities from the circulation system.
  • the controller is designed to control the circulation pump during a final rinse section of the rinse process to pump diluted wash liquor in the circulation system during the previous rinse sections of the rinse process with increased pump pressure during the last rinse section.
  • the technical advantage is achieved that impurities can be effectively removed from the circulation system through the dilute wash liquor during the last rinse section of the rinse process.
  • fresh water is supplied to the tub, thereby obtaining a dilute wash liquor which is recirculated at an increased pump pressure during the final purge section of the purge process in the circulation system.
  • the controller is designed to increase the pump pressure of the circulation pump several times after the washing process.
  • the controller is configured to activate the circulation pump for a first time interval during the washing process, and the controller is configured to control the circulation pump for a second time interval after the washing process in order to wash liquor in the circulation system after the washing process to pump an increased pump pressure, wherein the second time interval is shorter than the first time interval.
  • the laundry care appliance comprises a power detection element for detecting an electric power value of the circulation pump, wherein the controller is configured to determine a flow rate of wash liquor in the circulation system in dependence on the detected electric power value of the circulation pump, and wherein the controller is configured is to control a pumping power of the circulation pump depending on the determined flow rate of wash liquor.
  • the technical advantage is achieved that a particularly advantageous control of the pump power of the circulation pump without the use of additional measuring elements is made possible by the flow rate determined in the circulation power system on the basis of the electrical power value of the circulation pump.
  • the flow rate of wash liquor in the circulation system is reduced, which can be detected by the electric power value of the circulation pump, whereupon the pumping power of the circulation pump can be adjusted.
  • sensing the electrical power of the circulation pump may provide an indication of the amount of contaminants in the circulation system.
  • the controller may increase the pumping power of the circulation pump to allow effective removal of contaminants from the circulation system.
  • the laundry care appliance comprises a power detection element for detecting an electrical power value of the circulation pump, wherein the control is designed to compare the detected electric power value of the circulation pump with a reference power value of the circulation pump after the washing process, and wherein the control is configured, to deactivate the circulation pump when the detected electric power value coincides with the reference power value.
  • the reference power value may be a certain electrical power value correspond to the circulation pump, if no impurities are present in the circulation system. If the detected electric power value is equal to the reference power value, and consequently no more impurities are present in the circulation system, the controller may deactivate the circulation pump to stop the pumping operation.
  • the power detection element comprises a current sensor for detecting a supply current of the circulation pump or of the pump drive.
  • the current sensor may comprise a switching resistor, which detects a supply current, wherein in particular an amplitude of the alternating current can be detected.
  • the laundry care appliance comprises a sensor for detecting a flow rate in the circulation system, wherein the controller is designed to control the pumping capacity of the circulation pump as a function of the detected flow rate.
  • the technical advantage is achieved that a particularly effective estimate of the amount of impurities in the circulation system is made possible by the sensor on the basis of a changing flow rate of wash liquor in the circulation system, whereby the pumping power of the circulation pump can be adjusted accordingly.
  • the laundry care appliance comprises a heating element which is designed to heat wash liquor in the tub, and in that the controller is designed to activate the heating element during the washing process in order to obtain heated wash liquor which passes through the circulation system is pumped around.
  • the laundry care appliance comprises a storage container for collecting contaminants from the circulation system.
  • a filter element for attaching impurities is arranged in the circulation system, wherein the filter element is designed in particular as a foreign body trap.
  • the technical advantage is achieved that a particularly effective removal of contaminants from the circulation system is made possible by the filter element, in particular a foreign body trap.
  • the object is achieved by a method for removing contaminants from the circulation system of a laundry care device, wherein the laundry care device comprises a tub for receiving wash liquor, the tub having a discharge opening for discharging wash liquor and a supply opening for supplying wash liquor a circulation system, the circulation system comprising a circulation passage connecting the discharge port to the supply port and a circulation pump connected to the circulation passage, and a controller for controlling the circulation pump according to a laundry care program having a washing process; , activating the circulation pump during the washing process by the controller to pump wash liquor through the discharge opening from the tub in the circulation line, and the pumped wash liquor from the Z through the feed opening into the tub, and controlling the circulation After the washing process by the controller to pump wash liquor in the circulation system with an increased pump pressure and to convey impurities from the circulation system in the tub after the washing process.
  • FIG. 1 shows a schematic view of a laundry care appliance
  • Figure 2 is a schematic view of a laundry care device with a circulation system.
  • FIG. 3 shows a sequence of a method for removing contaminants from the circulation system of a laundry care appliance.
  • Figure 1 shows a schematic view of a general laundry care appliance 100, such as e.g. a washing machine.
  • the laundry care appliance 100 comprises an induction bowl 101, into which wash-care substance, such as e.g. Detergent, can be filled.
  • the laundry care appliance 100 comprises a door 103 for loading the laundry care appliance 100 with laundry.
  • FIG. 2 shows a schematic view of a laundry care device with a circulation system.
  • FIG. 2 shows a schematic inside view of the laundry care device 100, which comprises a circulation system 105, a washing drum 107 for receiving laundry, and a suds container 109 for holding suds, the suds container 109 having a feed opening 11 and a discharge opening 13
  • the circulation system 105 comprises a circulation line 15, which fluidly connects the discharge opening 13 with the supply opening 11, and comprises a circulation pump 1 17 connected to the circulation line 15.
  • the circulation pump 1 17 is designed to pump wash liquor through the discharge opening 1 13 from the tub 109 into the circulation line 1 15 of the circulation system 105 and to pump the pumped wash liquor from the circulation line 1 15 through the supply port 1 1 1 again in the tub 109.
  • the laundry care device 100 further comprises a pump drive 1 19 for driving the circulation pump 1 17.
  • the laundry care device 100 further comprises a dispensing device 121, which is connected to the tub 109 through a dispensing line 123 to flush fresh water into the tub 109.
  • the laundry care device 100 further comprises a controller 125, which is connected by a control connection 127 with the pump drive 1 19 of the circulation pump 1 17.
  • the controller 125 is configured to control the circulation pump 1 17 according to a laundry care program.
  • the controller 125 activates the circulation pump 17 to circulate wash liquor in the circulation system 105.
  • the control 125 activates the Pumpenan- drive 1 19 of the circulation pump 1 17.
  • wash liquor is pumped through the discharge opening 1 13 from the tub 109 in the circulation line 1 15, and the pumped wash liquor through the circulation line 1 15 and through the feed opening 1 1 1 again transported into the tub 109 to ensure an advantageous cleaning of the laundry.
  • the circulation pump 1 17 promotes the wash liquor in the circulation system 105, in particular with a flow rate of 5 l / min to 10 l / min.
  • Contaminants present in the circulation system 105 such as, for example, hairs or flows, are circulated through the circulation system 105 during the pumping operation.
  • Deposits which can consist of detergent residues, as well as lime, and combine with hair bulbs and / or lint, can become wedged on bends of the circulation line 15 or junctions of different pumping components and thereby clog the entire circulation system 105.
  • the controller 125 drives the circulation pump 1 17 after the washing process to pump wash liquor in the circulation system 105 at an increased pump pressure.
  • the controller 125 increases in particular the pump drive speed of the pump drive 1 19, whereby the pump pressure of the circulation pump 1 17 increases.
  • the laundry care apparatus 100 may further include a power detection element configured to detect an electric power value of the circulation pump 1 17 or the pump drive 1 19, e.g. a supply current of the circulation pump 1 17 or the pump drive 1 19. By a high temporal resolution in the detection of the electric power value can be detected whether there are contaminants in the circulation system 105. By a stored reference power value of the circulation pump 1 17 or the pump drive 1 19, such. a stored characteristic field of the pump drive values can be adjusted by the detected electric power value, the pump drive speed of the pump drive 1 19, the pump pressure of the circulation pump 1 17 or the duration of the pumped circulation with an increased pump pressure to the contamination state of the circulation system 105.
  • a power detection element configured to detect an electric power value of the circulation pump 1 17 or the pump drive 1 19, e.g. a supply current of the circulation pump 1 17 or the pump drive 1 19.
  • FIG. 3 shows a sequence of a method 200 for removing impurities from the circulation system 105, which is described in accordance with FIG.
  • the method comprises, as a first method step, the activation 201 of the circulation pump 1 17 during the washing process by the controller 125 to pump wash liquor through the discharge opening 1 13 from the tub 109 into the circulation line 15 and the pumped wash liquor from the circulation line 1 15 to be conveyed through the supply port 1 1 1 in the tub 109.
  • the method includes, as a second process step, driving the circulation pump 117 after the washing process by the controller 125 to pump wash liquor in the circulation system 105 with an increased pump pressure, and to convey contaminants from the circulation system 105 into the tub 109. All features explained and shown in connection with individual embodiments of the invention may be provided in different combinations in the article according to the invention, in order to simultaneously realize their advantageous effects.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

L'invention concerne un appareil de soin du linge (100) comprenant un bac à produit lessiviel (109) destiné à recevoir un produit lessiviel, ledit bac à produit lessiviel (109) comportant une ouverture d'évacuation (113) destinée à évacuer le produit lessiviel, ainsi qu'une ouverture d'alimentation (111) servant à l'alimentation en produit lessiviel, et comprenant également un système de circulation (105), ce système de circulation (105) comportant une conduite de circulation (115) reliant, de manière fluidique, l'ouverture d'évacuation (113) et l'ouverture d'alimentation (111), ainsi qu'une pompe de circulation (117) qui est reliée à la conduite de circulation (115), et une unité de commande (125) conçue pour commander la pompe de circulation (117) en fonction d'un programme de soin du linge comportant un processus de lavage. Cette unité de commande (125) est conçue pour activer la pompe de circulation (117) pendant le processus de lavage, pour que le produit lessiviel soit pompé à partir du bac à produit lessiviel (109), par l'ouverture d'évacuation (113), vers la conduite de circulation (115), et pour que le produit lessiviel pompé soit transporté de la conduite de circulation (115), par l'ouverture d'alimentation (111) vers le bac à produit lessiviel (109). L'unité de commande (125) est conçue pour commander la pompe de circulation (117) après le processus de lavage, pour que le produit lessiviel soit pompé à une pression de pompage élevée dans le système de circulation (105), pour transporter les impuretés du système de circulation (105) vers le bac à produit lessiviel (109).
PCT/EP2016/068820 2015-08-31 2016-08-05 Appareil de soin du linge équipé d'une pompe de circulation Ceased WO2017036736A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201680049818.XA CN107923101B (zh) 2015-08-31 2016-08-05 具有循环泵的洗涤物护理器具
PL16754450T PL3344811T3 (pl) 2015-08-31 2016-08-05 Urządzenie do przetwarzania prania z pompą cyrkulacyjną
EP16754450.1A EP3344811B1 (fr) 2015-08-31 2016-08-05 Appareil de soin du linge équipé d'une pompe de circulation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015216581.7 2015-08-31
DE102015216581.7A DE102015216581A1 (de) 2015-08-31 2015-08-31 Wäschepflegegerät mit einer Zirkulationspumpe

Publications (1)

Publication Number Publication Date
WO2017036736A1 true WO2017036736A1 (fr) 2017-03-09

Family

ID=56787444

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/068820 Ceased WO2017036736A1 (fr) 2015-08-31 2016-08-05 Appareil de soin du linge équipé d'une pompe de circulation

Country Status (5)

Country Link
EP (1) EP3344811B1 (fr)
CN (1) CN107923101B (fr)
DE (1) DE102015216581A1 (fr)
PL (1) PL3344811T3 (fr)
WO (1) WO2017036736A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110946540A (zh) * 2018-09-27 2020-04-03 青岛海尔洗衣机有限公司 洗鞋机及其控制方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018216396A1 (de) * 2018-09-26 2020-03-26 BSH Hausgeräte GmbH Wäschepflegegerät mit einem Filterelement
CN111058216A (zh) * 2019-11-02 2020-04-24 珠海格力电器股份有限公司 一种旋转式多通阀
CN113605068B (zh) * 2020-09-09 2024-05-14 松下家电(中国)有限公司 衣物处理设备的控制方法
CN116791315A (zh) * 2022-03-18 2023-09-22 青岛海尔洗衣机有限公司 一种洗衣机的控制方法及洗衣机

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE3401899A1 (de) * 1984-01-20 1985-07-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Trommelwaschmaschine fuer den haushalt
EP2730690A1 (fr) * 2012-11-13 2014-05-14 Panasonic Corporation Machine à laver de type tambour
EP2754745A2 (fr) * 2013-01-15 2014-07-16 Miele & Cie. KG Procédé de fonctionnement d'un appareil électroménager transportant de l'eau et appareil électroménager transportant de l'eau

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AU2006235862C1 (en) * 2005-11-04 2011-09-22 Fisher & Paykel Appliances Ltd Improvements Relating to Washing Machines
DE102008040647A1 (de) * 2008-07-23 2010-01-28 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät, insbesondere Geschirrspül- oder Waschmaschine
KR20150057712A (ko) * 2013-11-20 2015-05-28 동부대우전자 주식회사 세탁기의 배수 장치
DE102014214351A1 (de) * 2014-07-23 2016-01-28 BSH Hausgeräte GmbH Haushaltsgerät mit einem Umpumpsystem
DE102014220020A1 (de) * 2014-10-02 2016-04-07 BSH Hausgeräte GmbH Wäschepflegegerät mit einem Umlenkelement

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
DE3401899A1 (de) * 1984-01-20 1985-07-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Trommelwaschmaschine fuer den haushalt
EP2730690A1 (fr) * 2012-11-13 2014-05-14 Panasonic Corporation Machine à laver de type tambour
EP2754745A2 (fr) * 2013-01-15 2014-07-16 Miele & Cie. KG Procédé de fonctionnement d'un appareil électroménager transportant de l'eau et appareil électroménager transportant de l'eau

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110946540A (zh) * 2018-09-27 2020-04-03 青岛海尔洗衣机有限公司 洗鞋机及其控制方法
CN110946540B (zh) * 2018-09-27 2023-05-26 合肥海尔洗衣机有限公司 洗鞋机及其控制方法

Also Published As

Publication number Publication date
EP3344811B1 (fr) 2019-06-26
CN107923101B (zh) 2020-04-28
DE102015216581A1 (de) 2017-03-02
PL3344811T3 (pl) 2019-12-31
EP3344811A1 (fr) 2018-07-11
CN107923101A (zh) 2018-04-17

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