EP2723928B1 - Waschmaschine und trockner mit luftgekühltem kondensator - Google Patents

Waschmaschine und trockner mit luftgekühltem kondensator Download PDF

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Publication number
EP2723928B1
EP2723928B1 EP20120729106 EP12729106A EP2723928B1 EP 2723928 B1 EP2723928 B1 EP 2723928B1 EP 20120729106 EP20120729106 EP 20120729106 EP 12729106 A EP12729106 A EP 12729106A EP 2723928 B1 EP2723928 B1 EP 2723928B1
Authority
EP
European Patent Office
Prior art keywords
air
condenser
cooling
spraying device
water
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.)
Not-in-force
Application number
EP20120729106
Other languages
English (en)
French (fr)
Other versions
EP2723928A1 (de
Inventor
Talip Caglar
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
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Priority to PL12729106T priority Critical patent/PL2723928T3/pl
Publication of EP2723928A1 publication Critical patent/EP2723928A1/de
Application granted granted Critical
Publication of EP2723928B1 publication Critical patent/EP2723928B1/de
Not-in-force legal-status Critical Current
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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/28—Air properties
    • D06F2103/32—Temperature
    • 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
    • D06F2105/16—Air properties
    • D06F2105/24—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
    • D06F2105/30—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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/36—Condensing arrangements, e.g. control of water injection therefor
    • 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
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters

Definitions

  • the present invention relates to a laundry washing and drying machine comprising an air-cooled condenser.
  • air-cooled condensers are widely used, that realize the condensation process by using the outer environment air in the drying process after the washing step.
  • Humid air that comes from over the laundry and passes through the processing air channel is condensed in the condenser cooled by means of the outer environment air, thus the air that is dried by being dehumidified is sent again onto the laundry through the processing air channel.
  • the condensation process realized in the air-cooled condenser depends on the temperature of the air coming from the outer environment.
  • the outer environment temperature must be below a certain value in order that sufficient condensation may occur in the condenser and that the laundry can be dried. When the outer environment temperature increases, amount of moisture condensing in the condenser decreases and desired efficiency cannot be obtained in the drying process.
  • the aim of the present invention is the realization of a laundry washing and drying machine wherein the condensing efficiency of the air-cooled condenser is improved at high outer environment temperatures.
  • the laundry washing and drying machine realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims comprises at least one temperature sensor detecting the temperature of the cooling air and/or the processing air and a water spraying device connected to the outer water mains through a valve and providing the condenser to be cleaned of fiber and lint, and if the temperature of the cooling air and/or the processing air exceeds the predefined limit values, the water spraying device sprays water onto the condenser.
  • the water spraying device is operated in order to cool the condenser even if no fiber and lint accumulates on the condenser.
  • the air-cooled condenser is operated with air and water double cold source when the outer environment temperature rises.
  • the water spraying device is placed in the vicinity of the condenser so as to aim the cooling channels through which the outer environment air, i.e. the cooling air, passes.
  • the water spraying device is placed at the inlet or the outlet part of the air circulation duct through which the processing air passes and by which it is connected to the condenser, and the water spraying device sprays water onto the outer surfaces of the cooling channels in the condenser.
  • the fan providing the circulation of the processing air and the water spraying device are operated at intervals in the same time period, thus water sprayed over the condenser for cooling is prevented from being sent onto the laundry together with the processing air.
  • the water spraying device is placed at the part of the outer air line that enters into or exits from the condenser, and the water spraying device sends water to the inner surfaces of the cooling channels in the condenser.
  • the water spraying device is activated when the temperature of the cooling air and/or the processing air rises and is used for cooling the condenser, thus water cooling support is provided for the air-cooled condenser and the laundry is provided to be dried quickly.
  • the laundry washing and drying machine (1) comprises a drum (2) wherein the laundry is placed, an air circulation duct (3) wherein the circulation of the processing air (PA) providing the drying of the laundry is realized at the drying process after the washing process, a first fan (4) providing the circulation of the processing air (PA), an air-cooled condenser (5) condensing the processing air (PA), an outer air line (6) and a second fan (7) delivering the cooling air (CA) received from the outer environment to the condenser (5) in order to provide the cooling of the condenser (5), a heater (H) placed in the air ventilation duct (3), providing the dehumidified processing air (PA) coming from the condenser (5) to be heated and sent onto the laundry, at least one drying channel (8) passing through the condenser (5), through which passes the processing air (PA) coming from the air ventilation duct (3) by means of the first fan (4), at least one cooling channel (9) passing through the condenser (5), providing to draw heat from the drying channels (8),
  • the laundry washing and drying machine (1) of the present invention comprises the control unit (13) that provides water to be sprayed onto the condenser (5) from the water spraying device (12) by opening the valve (11) when the temperature of the cooling air (CA) and/or the processing air (PA) detected by the temperature sensor (10, 110) exceeds the predefined limit temperature values saved in its memory and thus provides the air-cooled condenser (5) to be cooled with water besides air when the temperature of the cooling air (CA) and/or the processing air (PA) rises.
  • the control unit (13) that provides water to be sprayed onto the condenser (5) from the water spraying device (12) by opening the valve (11) when the temperature of the cooling air (CA) and/or the processing air (PA) detected by the temperature sensor (10, 110) exceeds the predefined limit temperature values saved in its memory and thus provides the air-cooled condenser (5) to be cooled with water besides air when the temperature of the cooling air (CA) and/or the processing air (PA) rises.
  • the water spraying device (12) is positioned near the condenser (5), aiming the walls of the cooling channels (9) so that the cooling channels (9) contact water, and water sprayed onto the condenser (5) touches the cooling channels (9) from inside or outside and decreases the temperature of the cooling air (CA) that passes through the cooling channels (9).
  • the difference between the cooling air (CA) and the processing air (PA) is increased and the processing air (PA) is provided to be condensed in a quick manner in the drying channels (8) that transfer heat to the cooling channels (9).
  • the processing air (PA) getting humid by passing over the laundry in the drum (2) is sent to the condenser (5) by means of the first fan (4) and the air ventilation duct (3) and passes through the drying channels (8).
  • the condenser (5) condenses and dehumidifies the processing air (PA) and the heater (H) heats the processing air (PA).
  • the cooling air (CA) passes through the cooling channels (9) in the condenser (5) and the processing air (PA) passes through the drying channels (8).
  • the cooling channels (9) decreases the temperature of the humid processing air (PA) passing through the drying channels (8) with which the cooling channels (9) have a heat-transfer relation and condenses the processing air (PA), and the dry processing air (PA) is sent onto the laundry in the drum (2).
  • the temperature of the outer environment varies depending on the season and/or the temperature of the room wherein the laundry washing and drying machine (1) operates. When the temperature of the outer environment rises, for examples when it exceeds 30 - 35 ° C, as a matter of course the cooling air (CA) that draws heat from the humid processing air (PA) heats up and cannot provide a sufficient temperature difference for an efficient condensation.
  • the control unit (13) opens the valve (11) and activates the water spraying device (12) and thus water is sprayed onto the condenser (5) while the drying process continues.
  • the water sprayed onto the condenser (5) contacts the walls of the cooling channels (9) and decreases the temperature thereof, consequently the temperature of the cooling air (CA) passing through the cooling channels (9) decreases, thus, the processing air (PA) is quickly dehumidified by increasing the temperature difference between the processing air (PA) and the cooling air (CA), and the drying effectiveness of the laundry washing and drying machine (1) at high outer environment temperatures is increased.
  • the water spraying device (12) is placed at the part of the air ventilation duct (3) that enters into or exists from the condenser (5) and when the temperature of the cooling air (CA) and/or the temperature of the processing air (PA) during the drying process exceeds the recorded limit values, the control unit (13) opens the valve (11) and provides water to be sent from the water spraying device (12) onto the outer surfaces of the cooling channels (9) that are one within the other with the drying channels (8) ( Figure 1 ). The water sprayed from the water spraying device (12) passes through the drying channels (8) and contacts the outer surfaces of the walls forming the cooling channels (9) and decreases the temperature of the cooling air (CA) that passes through the cooling channels (9).
  • the temperature difference between the processing air (PA) and the cooling air (CA) is increased, thereby increasing the condensation effectiveness of the condenser (5).
  • the water spraying device (12) sprays water to the drying channels (8) in the condenser (5) after the drying process is completed, and thus provides the removal of the fiber and lint accumulating in the drying channels (8).
  • control unit (13) alternately activates the first fan (4) and the water spraying device (12) at intervals, when the temperature of the cooling air (CA) and/or the processing air (PA) rises.
  • the valve (11) is closed, and when the valve (11) is opened, that is when the water spraying device (12) is operated, the first fan (4) is deactivated.
  • the water sprayed from the water spraying device (12) is prevented from mixing into the processing air (PA) passing through the drying channels (8) and from being sent onto the laundry in the drum (2).
  • the water spraying device (12) is placed at the part of the outer air line (6) that enters into or exists from the condenser (5) and when the temperature of the cooling air (CA) and/or the temperature of the processing air (PA) rises during the drying process, the control unit (13) opens the valve (11) and provides water to be sent from the water spraying device (12) onto the inner surfaces of the cooling channels (9) ( Figure 2 ). Water contacts the inner surfaces of the walls forming the cooling channels (9) and decreases the temperature of the cooling air (CA). Thus, the temperature difference between the processing air (PA) and the cooling air (CA) is increased, thereby increasing the condensation effectiveness of the condenser (5).
  • the water spraying device (12) that sprays water onto the condenser (5), thereby providing it to be cleaned of fiber and lint accumulating at the end of the drying process and that is used for the same purpose in the known embodiments, is activated by the control unit (13) when the temperature of the cooling air (CA) and/or the processing air (PA) rises and is used in order to cool the condenser (5).
  • the control unit (13) When the temperature of the cooling air (CA) and/or the processing air (PA) rises and is used in order to cool the condenser (5).
  • the air-cooled condenser (5) becomes air- and water-cooled, thus providing an efficient and fast drying.

Landscapes

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

Claims (5)

  1. Wasch- und Trockenmaschine (1), umfassend eine Trommel (2), in die die Wäsche gegeben wird, einen Luftzirkulationskanal (3), in dem die Zirkulation der Prozessluft (PA) zum Trocknen der Wäsche während des Trocknungsvorgangs nach dem Waschvorgang stattfindet, ein erstes Gebläse (4), das die Zirkulation der Prozessluft (PA) entwickelt ermöglicht, einen luftgekühlten Kondensator (5), der die Prozessluft (PA) kondensiert, eine Außenluftleitung (6) und ein zweites Gebläse (7), das die Kühlungsluft (CA) von der Außenumgebung an den Kondensator (5) leitet, um die Kühlung des Kondensators (5) zu ermöglichen, wenigstens einen Trocknungskanal (8), der im Kondensator (5) angeordnet ist und durch den die Prozessluft (PA) strömt, wenigstens einen Kühlungskanal (9), der durch den Kondensator (5) verläuft und durch den mittels des zweiten Gebläses (7) die Kühlungsluft (CA) von der Außenluftleitung (6) strömt, wenigstens einen Temperatursensor (10, 110), der in der Außenluftleitung (6) und/oder am Auslass des Kondensators (5) des Lüftungskanals (3) angeordnet ist, eine Wassersprühvorrichtung (12), die Wasser auf den Kondensator (5) sprüht, ein Ventil (11), das vor der Wassersprühvorrichtung (12) angeordnet ist und mit der Wasserversorgung (S) verbunden ist, und eine Steuereinheit (13), dadurch gekennzeichnet, dass die Steuereinheit (13) dafür sorgt, dass Wasser von der Wassersprühvorrichtung (12) auf den Kondensator (5) gesprüht wird, indem das Ventil (11) geöffnet wird, wenn die Temperatur der Kühlungsluft (CA) und/oder der Prozessluft (PA), die von dem Temperatursensor (10, 110) erkannt wird, die in ihrem Speicher gespeicherten vordefinierten Grenztemperaturwerte übersteigt.
  2. Wasch- und Trockenmaschine (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Wassersprühvorrichtung (12) in der Nähe des Kondensators (5) angeordnet ist, um auf die Wände der Kühlkanäle (9) zu zielen.
  3. Wasch- und Trockenmaschine (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Wassersprühvorrichtung (12) am Einlass des Kondensators (5) oder am Auslass des Kondensators (5) des Lüftungskanals (3) angeordnet ist und Wasser auf die Außenflächen der Kühlkanäle (9) sprüht.
  4. Wasch- und Trockenmaschine (1) nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Steuereinheit (13) in Intervallen abwechselnd das erste Gebläse (4) und die Wassersprühvorrichtung (12) betreibt, wenn die Temperatur der Kühlungsluft (CA) und/oder der Prozessluft (PA) ansteigt.
  5. Wasch- und Trockenmaschine (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Wassersprühvorrichtung (12) am Einlass des Kondensators (5) oder am Auslass des Kondensators (5) der Außenluftleitung (6) angeordnet ist und Wasser auf die Innenflächen der Kühlkanäle (9) sprüht.
EP20120729106 2011-06-27 2012-06-20 Waschmaschine und trockner mit luftgekühltem kondensator Not-in-force EP2723928B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12729106T PL2723928T3 (pl) 2011-06-27 2012-06-20 Urządzenie do prania i suszenia bielizny ze skraplaczem chłodzonym powietrzem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2011/06336A TR201106336A1 (tr) 2011-06-27 2011-06-27 Hava soğutmalı kondenser içeren bir çamaşır yıkama ve kurutma makinası.
PCT/EP2012/061816 WO2013000784A1 (en) 2011-06-27 2012-06-20 Laundry washing and drying machine with air-cooled condenser

Publications (2)

Publication Number Publication Date
EP2723928A1 EP2723928A1 (de) 2014-04-30
EP2723928B1 true EP2723928B1 (de) 2015-04-29

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ID=46331301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20120729106 Not-in-force EP2723928B1 (de) 2011-06-27 2012-06-20 Waschmaschine und trockner mit luftgekühltem kondensator

Country Status (5)

Country Link
EP (1) EP2723928B1 (de)
CN (1) CN103649398B (de)
PL (1) PL2723928T3 (de)
TR (1) TR201106336A1 (de)
WO (1) WO2013000784A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019185257A1 (en) 2018-03-30 2019-10-03 Arcelik Anonim Sirketi A laundry washer-dryer

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150081602A (ko) * 2014-01-06 2015-07-15 삼성전자주식회사 세탁 건조기 및 그 제어방법
CN105297372B (zh) * 2014-07-31 2019-02-19 青岛海尔洗衣机有限公司 一种衣物烘干系统及烘干方法、洗衣干衣一体机、干衣机
CN105483996A (zh) * 2014-09-18 2016-04-13 博西华电器（江苏）有限公司 干衣机及其烘干方法
WO2016107699A1 (en) * 2014-12-31 2016-07-07 Arcelik Anonim Sirketi A laundry washing and/or drying machine comprising an air-cooled condenser
CN105887452A (zh) * 2016-05-11 2016-08-24 无锡小天鹅股份有限公司 干衣机
CN105887453B (zh) * 2016-05-31 2019-07-19 无锡小天鹅股份有限公司 干衣机
CN106592176B (zh) * 2016-11-30 2019-05-21 无锡小天鹅股份有限公司 直排式干衣机和用于直排式干衣机的冷凝装置
EP3887592B1 (de) * 2018-11-28 2023-07-12 Arçelik Anonim Sirketi Wäschetrockner mit wassergekühltem kondensator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060057779A (ko) * 2004-11-24 2006-05-29 삼성전자주식회사 세탁기
CN1978731B (zh) * 2005-11-29 2011-05-04 海尔集团公司 滚筒式洗衣烘干机及烘干时间确定方法
DE102008019388A1 (de) * 2008-04-17 2009-10-22 BSH Bosch und Siemens Hausgeräte GmbH Waschtrockner mit einer belüfteten Trommel
CN101684610B (zh) * 2008-09-26 2011-11-09 博西华电器（江苏）有限公司 衣物烘干设备
DE102009002390A1 (de) 2009-04-15 2010-10-21 BSH Bosch und Siemens Hausgeräte GmbH Waschtrockner mit einer Filtereinrichtung sowie Verfahren zum Betrieb des Waschtrockners

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019185257A1 (en) 2018-03-30 2019-10-03 Arcelik Anonim Sirketi A laundry washer-dryer

Also Published As

Publication number Publication date
TR201106336A1 (tr) 2013-01-21
CN103649398A (zh) 2014-03-19
CN103649398B (zh) 2016-09-28
EP2723928A1 (de) 2014-04-30
WO2013000784A1 (en) 2013-01-03
PL2723928T3 (pl) 2015-10-30

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