EP3265604B1 - Sèche-linge et procédé de nettoyage de fibre et de peluche pour ledit sèche-linge - Google Patents

Sèche-linge et procédé de nettoyage de fibre et de peluche pour ledit sèche-linge Download PDF

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Publication number
EP3265604B1
EP3265604B1 EP16707748.6A EP16707748A EP3265604B1 EP 3265604 B1 EP3265604 B1 EP 3265604B1 EP 16707748 A EP16707748 A EP 16707748A EP 3265604 B1 EP3265604 B1 EP 3265604B1
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EP
European Patent Office
Prior art keywords
pump
washing
discharge
discharge pump
fiber
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.)
Active
Application number
EP16707748.6A
Other languages
German (de)
English (en)
Other versions
EP3265604A1 (fr
Inventor
Celal Vatansever
Umit PEHLIVAN
Erman Tutkak
Murat Goktas
Yavuz Sahin
Mehmet Kaya
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.)
Arcelik AS
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Arcelik AS
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    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/50—Responding to irregular working conditions, e.g. malfunctioning of blowers
    • 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
    • D06F2103/38—Time, e.g. duration
    • 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
    • D06F2103/42—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to filters or 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/34—Filtering, e.g. control of lint removal 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/22—Lint collecting 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing arrangements

Definitions

  • the present invention relates to a laundry dryer comprising a washing pump and a discharge pump that provide the removal of particles such as fiber and lint accumulating on the filter and the heat exchanger and to a fiber and lint cleaning method.
  • the water must be filtered again so that the pump used for the discharge of the water containing fiber and lints is not clogged and that the water to be discharged by the pump does not cause the accumulation of fiber and lints inside the tank.
  • it is required to clean the filter and the heat exchanger at certain intervals and to remove the fiber and lints from the system.
  • the fiber and lints accumulating thereon are required to be transferred with water to a tank that is emptied by the user or automatically.
  • the fiber and the lints present in the washing water delivered in a pressurized state by the discharge pump to the tank by means of the discharge line may accumulate at the suction port of the discharge pump. In this case, clogging may occur and the laundry dryer becomes inoperable.
  • DE 10 2010 039 552 A1 discloses a laundry treatment appliance comprising a tank wherein condensed water is stored, and a washing line that enables the water to be taken from the tank and to be delivered onto a heat exchanger. Furthermore, a discharge pump delivers the water accumulated in a sump back to the tank.
  • the aim of the present invention is the realization of a laundry dryer comprising a washing and a discharge pump that efficiently operate by preventing the accumulation of particles such as fiber and lint, and of a fiber and lint cleaning method.
  • the control unit stops and operates again the washing pump and the discharge pump together or separately during the process of washing fiber and lint, thus preventing the fiber and lint removed from the filter and the heat exchanger from clogging the system.
  • the control unit stops the washing pump at least once, then stops the discharge pump after the same has been operated for a time, thus enables the water pumped into the discharge line to flow backwards with the effect of the gravity and to clean the fiber and lint accumulated at the suction port of the discharge pump.
  • the fiber and lint accumulating at the suction port of the discharge pump are prevented from causing clogging and are enabled to be transferred to the tank.
  • the fiber and lint cleaning method realized in order to attain the aim of the present invention, by operating the washing pump and the discharge pump simultaneously, the fiber and lint on the heat exchanger and/or the filter are cleaned and first the washing pump is stopped.
  • the discharge pump is operated for 1 to 5 seconds until the water in the sump is transferred to the discharge line and then stopped, thus the water in the discharge line is enabled to flow in the reverse direction with the effect of the gravity and to sweep the fiber and lint accumulating at the suction port of the discharge pump towards the sump.
  • the washing pump and the discharge pump are operated together, after 1 to 5 seconds the washing pump is stopped and after 1 to 5 seconds after the washing pump stops, the discharge pump is also stopped and the fiber and lint cleaning process is terminated.
  • the laundry dryer (1) comprises a body (2); a drum (3) wherein the laundry to be dried is placed; an air circulation duct (5) providing the delivery of the drying air onto the laundry in the drum (3); a heat exchanger (4), for example an evaporator, that is disposed on the air circulation duct (5) and that provides the dehumidification of the drying air by condensing the same; at least one filter (6) that holds fiber and lints in the drying air; a tank (7) wherein the condensed water is stored; a washing pump (8) that enables the water to be taken from the tank (7) and to be delivered onto the heat exchanger (4) and/or the filter (6); a washing line (9) that delivers the water taken from the tank (7) by the washing pump (8) onto the heat exchanger (4) and/or the filter (6); a sump (13) wherein the water taken from the tank (7) and then draining from the heat exchanger (4) and/or the filter (6) and mixed with fiber and lints accumulates; a
  • the laundry dryer (1) of the present invention comprises the control unit (12) that, during the fiber and lint accumulated on the heat exchanger (4) and/or the filter (6) washing process wherein the washing pump (8) and the discharge pump (10) are operated together, stops the washing pump (8) at least once, stops the discharge pump (10) after operating the same for a predetermined time (T1) until the water in the sump (13) is transferred to the water discharge line (11), thus enables the water in the discharge line (11) to flow (back) in the reverse direction with the effect of the gravity and to sweep the fiber and lints accumulating at the suction port (B) of the discharge pump (10) towards the sump (13).
  • the water taken from the tank (7) by means of the washing pump (8) is directed onto the heat exchanger (4) and/or the filter (6) by means of the washing line (9).
  • the discharge pump (10) which is operated together with the washing pump (8) by the control unit (12), transfers the water, that is mixed with fiber and lints draining from the heat exchanger (4) and/or the filter (6) and pouring into the sump (13), to the tank (7) by means of the discharge line (11).
  • the washing pump (8) is stopped by the control unit (12).
  • the control unit (12) enables the operation of the discharge pump (10) to be continued for a time (T1) and stops the same at the end of this time (T1).
  • T1 the time
  • T2 the control unit (12) operates the washing pump (8) and the discharge pump (10) simultaneously and enables the water mixed with fiber and lints in the sump (13) to be transferred to the tank (7).
  • the discharge pump (10) operated together with the washing pump (8) by means of the discharge pump (10) operated together with the washing pump (8), the water containing fiber and lints is guided towards the tank (7) by the discharge line (11), thus preventing the fiber and lints accumulating at the suction port (B) of the discharge pump (10) from causing clogging and enabling the heat exchanger (4) and/or the filter (6) to be effectively washed.
  • the fiber and lint cleaning process of the present invention executed by the control unit (12) comprises the following steps:
  • the water taken from the tank (7) by means of the washing pump (8) is directed onto the heat exchanger (4) and/or the filter (6) by means of the washing line (9).
  • the discharge pump (10) which is operated together with the washing pump (8) by the control unit (12), transfers the water, that is mixed with fiber and lints draining from the heat exchanger (4) and/or the filter (6) and pouring into the sump (13), to the tank (7) by means of the discharge line (11).
  • the washing pump (8) is stopped by the control unit (12).
  • the control unit (12) enables the operation of the discharge pump (10) to be continued for 1 to 5 seconds (T1) and stops the same at the end of this time (T1).
  • the discharge pump (10) is stopped, the water remaining in the discharge line (11) between the tank (7) and the discharge pump (10) flows in the reverse direction with the effect of the gravity into the sump (13) through the suction port (B) of the discharge pump (10) and enables the clogging caused by the fiber and lints accumulating at the suction port (B) to be cleared.
  • T2 After 1 to 30 seconds (T2) after the discharge pump (10) is stopped, the control unit (12) operates the washing pump (8) and the discharge pump (10) simultaneously for 1 to 5 seconds (T3) and the washing pump (8) is stopped. Meanwhile, the discharge pump (10) continues to operate and is stopped after 1 to 5 seconds (T4) after the washing pump (8) is stopped.
  • control unit (12) operates the washing and discharge pumps (8 and 10) simultaneously at intervals (intermittently) and enables the discharge pump (10) to be operated for a time after the washing pump (8) is stopped and to be stopped thereafter.
  • the control unit (12) operates the washing and discharge pumps (8 and 10) simultaneously at intervals (intermittently) and enables the discharge pump (10) to be operated for a time after the washing pump (8) is stopped and to be stopped thereafter.
  • the fibers and lint accumulating at the sump (13) and the suction port (B) of the discharge pump (10) are prevented from causing clogging and the heat exchanger (4) and the filter (6) are effectively cleansed of fibers and lint, thus transferring the wash water to the tank (7).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Claims (6)

  1. Un sèche-linge (1) comprenant un corps (2) ; un tambour (3) dans lequel le linge à sécher est placé ; un conduit de circulation d'air (5) assurant la distribution de l'air de séchage sur le linge dans le tambour (3) ; un échangeur thermique (4) qui est disposé sur le conduit de circulation d'air (5) ; au moins un filtre (6) qui retient les fibres et peluches dans l'air de séchage ; un réservoir (7) où est stocké l'eau condensée ; une pompe de lavage (8) et une conduite de lavage (9) qui permettent à l'eau d'être prélevée du réservoir (7) et d'être amenée vers l'échangeur de chaleur (4) et/ou le filtre (6) ; un siphon (13) dans lequel l'eau prélevée du réservoir (7) est ensuite évacuée de l'échangeur de chaleur (4) et/ou le filtre (6) et mélangée à des fibres et des peluches accumulées ; une pompe de décharge (10) qui amène l'eau accumulée dans le siphon (13) au réservoir (7) ; une conduite d'évacuation verticale (11) qui est disposée entre la pompe d'évacuation (10) et le réservoir (7), et une unité de commande (12) qui commande le fonctionnement de la pompe de lavage (8) et de la pompe d'évacuation (10), est caractérisée en ce que pendant le processus de lavage, les fibres et peluches accumulées sur l'échangeur thermique (4) et/ou le filtre (6) sont nettoyées, et la pompe de lavage (8) et la pompe d'évacuation (10) fonctionnent ensemble, l'unité de commande est configurée pour arrêter au moins une fois la pompe de lavage (8), et arrêter la pompe de décharge (10) après l'avoir actionnée pendant un temps prédéterminé (T1) jusqu'à ce que l'eau dans le siphon (13) soit transférée vers la conduite de décharge d'eau (11), permettant ainsi à l'eau dans la conduite de décharge (11) de circuler dans le sens inverse sous l'effet de la gravité et pour balayer les fibres et les peluches accumulées sur le passage d'aspiration (B) de la pompe de décharge (10) vers le siphon (13).
  2. Procédé de nettoyage de fibres et de peluches qui est exécuté dans un séchoir à linge (1) selon la déclaration 1, comprenant les étapes consistant à :
    (a) Décider du processus de lavage de l'échangeur de chaleur (4) et/ou du filtre (6) en détectant l'accumulation de fibres et de peluches (100) ;
    (b) Laver l'échangeur de chaleur (4) et/ou le filtre (6) en actionnant simultanément la pompe de lavage (8) et la pompe d'évacuation (10) (101) ;
    (c) Arrêter la pompe de lavage (8) (102) ;
    (d) Faire fonctionner la pompe de refoulement (10) pendant un temps prédéterminé (T1) jusqu'à ce que l'eau dans le siphon ((13) soit transférée dans la conduite de refoulement (11) et l'arrêter, puis faire circuler dans le sens inverse l'eau dans la conduite de refoulement (11) par gravité et la faire passer dans le siphon (13), en la faisant circuler à travers la tubulure d'aspiration (B) de la pompe de refoulement (10), (103) ;
    (e) Actionner à nouveau simultanément la pompe de lavage (8) et la pompe de refoulement (10) à la fin d'un temps prédéterminé (T2) après l'arrêt de la pompe de refoulement (10) (104) ;
    (f) Arrêter la pompe de lavage (8) à la fin d'un temps prédéterminé (T3) (105) ;
    (g) Arrêter la pompe de refoulement (10) à la fin d'un temps prédéterminé (T4) après l'arrêt de la pompe de lavage (8) (106).
  3. Un procédé de nettoyage des fibres et des peluches selon la déclaration 2, est caractérisé en ce que dans l'étape (d) de fonctionnement de la pompe de décharge (10) pendant une durée prédéterminée (T1), la pompe de décharge (10) est arrêtée après 1 à 5 secondes après que la pompe de lavage (8) soit arrêtée.
  4. Un procédé de nettoyage des fibres et des peluches selon la déclaration 2, est caractérisé en ce que dans l'étape (e) de fonctionnement de la pompe de lavage (8) et de la pompe de refoulement (10), la pompe de lavage (8) et la pompe de refoulement (10) fonctionnent ensemble après 1 à 30 secondes après que la pompe de refoulement (10) soit arrêtée.
  5. Un procédé de nettoyage des fibres et des peluches selon la déclaration 2, est caractérisé en ce que dans l'étape (f) d'arrêt de la pompe de lavage (8), la pompe de lavage (8) est arrêtée après 1 à 5 secondes après que la pompe de lavage (8) et la pompe de décharge (10) soient actionnées simultanément.
  6. Un procédé de nettoyage des fibres et des peluches selon la déclaration 2, est caractérisé en ce que dans l'étape (g) d'arrêt de la pompe de décharge (10), la pompe de décharge (10) est arrêtée après 1 à 5 secondes après que la pompe de lavage (8) soit arrêtée.
EP16707748.6A 2015-03-04 2016-03-02 Sèche-linge et procédé de nettoyage de fibre et de peluche pour ledit sèche-linge Active EP3265604B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201502568 2015-03-04
PCT/EP2016/054446 WO2016139258A1 (fr) 2015-03-04 2016-03-02 Sèche-linge et procédé de nettoyage de fibre et de peluche pour ledit sèche-linge

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EP3265604A1 EP3265604A1 (fr) 2018-01-10
EP3265604B1 true EP3265604B1 (fr) 2019-05-08

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WO (1) WO2016139258A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019192777A1 (fr) * 2018-04-02 2019-10-10 Arcelik Anonim Sirketi Sèche-linge à efficacité de séchage améliorée

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITPN20070056A1 (it) 2007-08-01 2009-02-02 Imat S P A "sistema di pulitura automatico di filtri ad aria e applicazione in una macchina asciugatrice"
DE102010002661A1 (de) * 2010-03-08 2011-09-08 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zum Zuführen von Spülwasser, Hausgerät mit einer solchen Vorrichtung und Verfahren zum Zuführen von Spülwasser
DE102010039552A1 (de) * 2010-08-20 2012-02-23 BSH Bosch und Siemens Hausgeräte GmbH Wäschebehandlungsgerät mit Siebaufnahme und Verfahren zum Betreiben eines Wäschebehandlungsgeräts mit einem Flusensieb
DE102010042513A1 (de) * 2010-10-15 2012-04-19 BSH Bosch und Siemens Hausgeräte GmbH Pumpe für ein Hausgerät, Hausgerät mit einer Pumpe und Verfahren zum Betreiben eines Hausgeräts

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WO2016139258A1 (fr) 2016-09-09
EP3265604A1 (fr) 2018-01-10

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