EP2449164B1 - Wäschetrockner mit erhöhtem wirkungsgrad - Google Patents

Wäschetrockner mit erhöhtem wirkungsgrad Download PDF

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Publication number
EP2449164B1
EP2449164B1 EP10725184A EP10725184A EP2449164B1 EP 2449164 B1 EP2449164 B1 EP 2449164B1 EP 10725184 A EP10725184 A EP 10725184A EP 10725184 A EP10725184 A EP 10725184A EP 2449164 B1 EP2449164 B1 EP 2449164B1
Authority
EP
European Patent Office
Prior art keywords
drum
casing
door
laundry dryer
cycle air
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
EP10725184A
Other languages
English (en)
French (fr)
Other versions
EP2449164A1 (de
Inventor
Onur Hartoka
Yavuz Sahin
Erdem An
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
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
Publication of EP2449164A1 publication Critical patent/EP2449164A1/de
Application granted granted Critical
Publication of EP2449164B1 publication Critical patent/EP2449164B1/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 
    • D06F58/206—Heat pump arrangements

Definitions

  • the present invention relates to a laundry dryer, the drying effectiveness of which is increased.
  • the cycle air In dryers having a closed cycle, the cycle air, after performing the moisture absorption process from the laundry, is cooled by being passed through a cooling system and the water vapor contained therein is provided to be condensed known, for instance, from DE-A-10 2005 062 804 . After the condensation process, the cycle air is passed over a heater and delivered to the drum again, thereby also providing to evaporate the moisture remaining on the laundry. The laundries are dried at the end of this process repeated in a closed cycle. In air cooled systems, the cycle air is cooled with the ambient air by being passed through the cross-flow condenser and thus, the condensation process is provided to be performed.
  • the cycle air that passes through the condenser contains some moisture. This, in turn, affects the laundry drying effectiveness quite adversely. Furthermore, another condition affecting the drying process is providing the distribution of the cycle air inside the drum as homogeneously as possible.
  • the aim of the present invention is the realization of a laundry dryer, the drying effectiveness of which is increased.
  • the laundry dryer realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a Peltier element located on the door, extending from the loading port into the drum when the door is closed, disposed between the inlet and outlet of the casing through which the cycle air received from the drum passes, such that the cold surface will face the inside of the casing and the hot surface inside of the drum.
  • the casing serves as a channel, through which the cycle air flows while the door is closed and which provides the direction of the cycle air to the condenser.
  • the front portion of the drum is heated by the hot surface and while providing homogeneous heat distribution inside the drum, the condensation effectiveness is also increased.
  • the laundry dryer comprises a sealing element that prevents the cycle air or the water condensed on the cold surface from leaking into the drum or to the outside surrounding while the air passing through the casing is directed to the condenser when the door is closed.
  • the sealing element surrounds the outlet of the casing when the door is closed.
  • the laundry dryer furthermore, comprises fins situated on the cold and hot surfaces, increasing the heat transfer surface area by extending towards the inside of the casing and inside of the drum, respectively.
  • the drying time and the energy consumption are decreased. Furthermore, the laundry is provided to be dried more homogeneously by improving the heat distribution in the drum.
  • Figure 1 - is the schematic view of a laundry dryer.
  • Figure 2 - is the schematic view of a door.
  • the laundry dryer (1) of the present invention comprises a body (2) having a front wall (3), a drum (4) wherein the laundry desired to be dried is placed, a loading port that is located on the front wall (3) and that provides access into the drum (4), a door (8) covering the loading port, a condenser (6) that condenses and hence provides the dehumidification of the cycle air leaving the drum (4), a heater (5) that provides the heating of the dehumidified cycle air leaving the condenser (6), and at least one fan (7) that maintains the cycle air to be circulated in a closed cycle.
  • the laundry dryer (1) furthermore, comprises a casing (10) located on the door (8) and disposed at the rear of the door (8), extending from the loading port towards the inside of the drum (4) when the door (8) is closed, having an inlet (11) that provides the cycle air leaving the drum (4) to enter therein and an outlet (12) that provides it to pass to the condenser (6).
  • the cycle air laden with the moisture retained from the laundry in the drum (4), thereafter passes to the casing (10) from the inlet (11) and is directed from the casing (10) outlet (12) towards the condenser (6).
  • the casing (10) serves as a channel wherein the cycle air passing through the drum (4) moves forward and which provides the cycle air to be delivered to the condenser (6) when the door (8) is closed.
  • the laundry dryer (1) comprises at least one Peltier element (13) mounted to the casing (10) between the inlet (11) and the outlet (12) such that the cold surface (C) will face the inside of the casing (10) and the hot surface (H) inside of the drum (4) ( Figure 1 and Figure 2 ).
  • the Peltier element (13) is formed by joining together the cold and hot surfaces (C and H) back to back.
  • the Peltier element (13) is driven by electricity, while the hot and moist air entering into the casing (10) from the drum (4) is condensed on the cold surface (C), the front portion of the drum (4), hence the laundry situated therein is heated by the hot surface (H) facing the inside of the drum (4) at the same time.
  • both the condensation effectiveness of the laundry dryer (1) is increased and the heat distribution inside the drum (4) is provided to be homogeneous.
  • the inlet (11) and the outlet (12) are on the same direction, and the inlet (11) is on the ceiling of the casing (10) and the outlet (12) is on the base of the casing (10).
  • the cycle air is received into the casing (10) through the inlet (11) situated above the casing (10). Some of the moisture contained in the cycle air entering into the casing (10) is condensed on the cold surface (C) while passing through the cold surface (C) of the Peltier element (13) before entering the condenser (6).
  • the cycle air passing through the condenser (6) virtually leaves the moisture, which cannot be condensed by the cold surface (C), in the condenser (6), and is heated by the heater (5) and thus, is received into the drum (4) to be transferred onto the laundry. Accordingly, almost dry and hot air is delivered onto the laundry in the drum (4).
  • the laundry dryer (1) comprises one or more sealing elements (14) that surround the outlet (12) of the casing (10) and thus, prevent the cycle air and the water condensed on the cold surface (C) from leaking into the drum (4) and to the outside.
  • the laundry dryer (1) comprises one or more fins (15) that are located on the cold surface (C) and extend towards the inside of the casing (10), and that are located on the hot surface (H) and extend towards the inside of the drum (4), and that increases the heat transfer surface area.
  • the laundry dryer (1) comprises a reservoir (9) on the base of the body (2), at the place corresponding to the casing (10) outlet (12) when the door (8) is closed, wherein the water condensed on the cold surface (C) is collected.
  • the water collected on the cold surface (C) passes from the casing (10) outlet (12) and is accumulated in this reservoir (9).
  • the condensation speed increases since the cold surface (C) serves an additional condensing function to the condenser (6) and the drying speed increases since the hot surface (H) serves an additional heating function to the heater (5).
  • the laundry inside the drum (4) is provided to be dried more homogeneously since the front side of the drum (4) is heated by the hot surface (H).

Landscapes

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

Claims (5)

  1. Wäschtrockner (1), umfassend einen Gehäusekörper (2), der eine Vorderwand (3), eine Trommel (4), in die die zu trocknende Wäsche gegeben wird, eine Ladeöffnung, die an der Vorderwand (3) angeordnet ist und Zugang zur Trommel (4) bietet, eine Tür (8), die die Ladeöffnung abdeckt, einen Kondensator (6), der dafür sorgt, dass die Zyklusluft die Trommel (4) verlässt, um durch Kondensieren entfeuchtet zu werden, eine Heizeinrichtung (5), die die entfeuchtete Zyklusluft erwärmt, die den Kondensator (6) verlässt, und wenigstens ein Gebläse (7), das die Zyklusluft in einem geschlossenen Kreislauf zirkuliert, und gekennzeichnet durch
    • ein Gehäuse (10), das sich an der Tür (8) befindet und an der Rückseite der Tür (8) angeordnet ist und sich von der Ladeöffnung ins Innere der Trommel (4) erstreckt, wenn die Tür (8) geschlossen ist, und das einen Einlass (11), der dafür sorgt, dass die Zyklusluft, die die Trommel (4) verlässt, darin eintritt, und einen Auslass (12) aufweist, der dafür sorgt, dass sie zum Kondensator (6) gelangt, und
    • wenigstens ein Peltier-Element (13), das am Gehäuse (10) zwischen dem Einlass (11) und dem Auslass (12) angebracht ist, derart, dass die kalte Fläche (C) dem Inneren des Gehäuses (10) zugewandt ist und die heiße Fläche (H) dem Inneren der Trommel (4) zugewandt ist.
  2. Wäschtrockner (1) nach Anspruch 1, dadurch gekennzeichnet, dass das Gehäuse (10) einen Einlass (11) aufweist, der an der Decke angeordnet ist, und einen Auslass (12), der an der Basis angeordnet ist, wobei beide in derselben Richtung angeordnet sind.
  3. Wäschetrockner (1) nach Anspruch 1 oder 2, gekennzeichnet durch ein oder mehrere Dichtungselemente (14), die verhindern, dass Zyklusluft und das an der kalten Fläche (C) kondensierte Wasser in die Trommel (4) und nach außen gelangen, indem sie den Auslass (12) des Gehäuses (10) umgeben.
  4. Wäschetrockner (1) nach Anspruch 1 oder 2, gekennzeichnet durch eine oder mehrere Lamellen (15), die an der kalten Fläche (C) angeordnet sind, sich zum Inneren des Gehäuses (10) erstrecken, und die an der heißen Fläche (H) angeordnet sind und sich zum Inneren der Trommel (4) erstrecken, und die die Wärmeübertragungsfläche erhöhen.
  5. Wäschetrockner (1) nach einem der vorangehenden Ansprüche, gekennzeichnet durch einen Behälter (9), der an einer Position, die der Höhe der Tür (8) entspricht, wenn die Tür (8) geschlossen ist, an der Basis des Gehäusekörpers (2) angeordnet ist und in dem das an der kalten Fläche (C) kondensierte Wasser aufgefangen wird.
EP10725184A 2009-06-29 2010-06-16 Wäschetrockner mit erhöhtem wirkungsgrad Not-in-force EP2449164B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200905038 2009-06-29
PCT/EP2010/058500 WO2011000705A1 (en) 2009-06-29 2010-06-16 A laundry dryer the drying effectiveness of which is increased

Publications (2)

Publication Number Publication Date
EP2449164A1 EP2449164A1 (de) 2012-05-09
EP2449164B1 true EP2449164B1 (de) 2013-03-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10725184A Not-in-force EP2449164B1 (de) 2009-06-29 2010-06-16 Wäschetrockner mit erhöhtem wirkungsgrad

Country Status (2)

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EP (1) EP2449164B1 (de)
WO (1) WO2011000705A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105177914A (zh) * 2015-06-30 2015-12-23 无锡小天鹅股份有限公司 滚筒洗衣机
US11697901B2 (en) 2020-01-09 2023-07-11 Whirlpool Corporation Door assembly for a laundry treating appliance

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103485141B (zh) * 2013-06-14 2016-01-13 无锡小天鹅股份有限公司 干衣机
CN104818600A (zh) * 2015-05-19 2015-08-05 合肥工业大学 应用在滚筒洗衣机中的烘干系统及其控制方法
KR102366934B1 (ko) * 2015-07-22 2022-02-23 엘지전자 주식회사 열교환모듈 및 이를 포함하는 세탁물 처리장치
CN106702696A (zh) * 2015-08-19 2017-05-24 青岛海尔智能技术研发有限公司 干衣设备及其干衣方法
US11604027B2 (en) 2018-06-21 2023-03-14 Cfa Properties, Inc. Modular humidity control and heat preservation system
US11918153B2 (en) * 2018-06-21 2024-03-05 Cfa Properties, Inc. Food transportation and humidity control elements

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2532303B2 (ja) * 1989-02-03 1996-09-11 ツァンカー・ゲーエムベーハー 洗濯物乾燥機
US7526879B2 (en) * 2005-11-04 2009-05-05 Lg Electronics Inc. Drum washing machine and clothes dryer using peltier thermoelectric module
DE102005062804A1 (de) * 2005-12-28 2007-07-05 BSH Bosch und Siemens Hausgeräte GmbH Wärmepumpenanlage, insbesondere für ein Hausgerät

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105177914A (zh) * 2015-06-30 2015-12-23 无锡小天鹅股份有限公司 滚筒洗衣机
CN105177914B (zh) * 2015-06-30 2017-12-26 无锡小天鹅股份有限公司 滚筒洗衣机
US11697901B2 (en) 2020-01-09 2023-07-11 Whirlpool Corporation Door assembly for a laundry treating appliance

Also Published As

Publication number Publication date
WO2011000705A1 (en) 2011-01-06
EP2449164A1 (de) 2012-05-09

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