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EP3330432B1 - Wäschetrocknermachine - Google Patents

Wäschetrocknermachine Download PDF

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Publication number
EP3330432B1
EP3330432B1 EP17203957.0A EP17203957A EP3330432B1 EP 3330432 B1 EP3330432 B1 EP 3330432B1 EP 17203957 A EP17203957 A EP 17203957A EP 3330432 B1 EP3330432 B1 EP 3330432B1
Authority
EP
European Patent Office
Prior art keywords
compartment
separation wall
condensation
wall
drying machine
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
EP17203957.0A
Other languages
English (en)
French (fr)
Other versions
EP3330432A1 (de
Inventor
Lijun Chen
Yun(PLC2) Liu
Fei Lu
Shanliang Qian
Xiuhua Zhang
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
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Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3330432A1 publication Critical patent/EP3330432A1/de
Application granted granted Critical
Publication of EP3330432B1 publication Critical patent/EP3330432B1/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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 

Definitions

  • the present invention relates to a condensation apparatus of a laundry drying machine.
  • Chinese invention patent application CN 105 463 804 A discloses a laundry drying machine.
  • the laundry drying machine has a drum driven by a motor to be rotatable and a tub sleeved on the drum.
  • the tub is connected and in spatial communication with a condensation channel.
  • the condensation channel is further connected to a fan and an air heating channel in sequence.
  • the other end of the air heating channel is further in spatial communication with the tub. Therefore, an air circulation path is formed in the tub, the condensation channel, the fan, and the air heating channel.
  • high-temperature drying air formed in the air heating channel enters a laundry processing drum component, to heat wet laundry in the drum, to evaporate water in the laundry.
  • the drying air with the evaporated water further enters the condensation channel, and in the condensation channel, the water in the drying air is condensed and becomes liquid again, and is separated from the drying air. Therefore, the drying air becomes low-temperature and dry again, enters the heating channel again when being driven by the fan, and starts a new round of circulation.
  • the circulation repeats again and again and finally the laundry in the drum is dried.
  • the condensation channel is connected to an inlet pipe of cooling water. In the drying procedure, the cooling water flows into the condensation channel from the inlet pipe, so as to exchange heat with the drying air that enters the condensation channel, and condense water in the drying air.
  • KR 20130075756 A discloses a washing machine with a dryer function which comprises a condensation plate which is attached to the inside of the drying compartment.
  • the drying compartment comprises a drum center which holds the laundry which should be dried by the washing machine.
  • the drying compartment further discloses grooves which are formed within the condensation plate. Additionally, water is running behind the condensa-tion plate and along the grooves to generate a cooling effect on the condensation plate.
  • US 2008/0006308 A1 discloses a drying method for household appliance such as dish-washer comprising a Peltier element in addition to a heat-emitting part and also a heat-absorbing part for drying the washed items in the treatment area of the dishwasher.
  • the heater absorbing part cools the lateral wall of the washing container which guides conden-sation of humidity into the air of the treatment area.
  • the air of the treatment area is circulated about an air channel by a blower and the air in the air channel is simultaneously heated with the aid of the heat-emitting part of the Peltier element.
  • KR 20080071425 discloses a washing machine with a dryer function wherein the washing machine comprises a condensing duct which is attached to an outer tank. Additionally, a condensation supply pipe is located within the condensing duct. Furthermore, a spray noz-zle is located within the outer tank and is orientated to spray water onto a back wall of the outer tank.
  • EP 2019160 A1 discloses a wash and dryer machine for washing and drying the laundry comprising a washing tank and a laundry basket that is pivotally supported within the wash-ing tank, a drying circuit with a suction unit, a heat exchanger and a heating unit which communicate with each other by means of a drying duct, wherein the drying duct com-prises a tub and a suction duct being formed of a wall portion of the washing tank and of a lit that is manufactured separately and then connected to said wall portion.
  • KR 20110125390 A discloses a washing machine with a dry function which comprises a rear tub which includes a drum center. On the sidewall of the rear tub a cooling water hole is foreseen which lets water run down along the dispersion oil and the grooves therein and is covered by a condenser plate.
  • An objective of the present invention is to improve the condensation efficiency of a laundry drying machine.
  • the present invention provides a laundry drying machine, including a drying compartment and a condensation compartment that is in fluid communication with the drying compartment.
  • a first heat exchange apparatus is disposed in the condensation compartment.
  • the drying compartment is separated from the condensation compartment by a common separation wall, and the separation wall separately constitutes a part of a wall of the drying compartment and a part of a wall of the conden sation compartment.
  • a second heat exchange apparatus adapted to exchange heat with air in the drying compartment and the condensation compartment is disposed on the separation wall.
  • the first heat exchange apparatus may be a cooling water supply apparatus, an air cooling apparatus, or a heat pump evaporator.
  • the second heat exchange apparatus makes use of the special structure that the separation wall is located between the condensation compartment and the drying compartment, and may exchange heat with air in both the drying compartment and the condensation compartment, so that the air exchanges heat with the first heat exchange apparatus in the condensation compartment to produce condensation, and the air in the condensation compartment and the drying compartment may also exchange heat with the second heat exchange apparatus, to further accelerate condensation of water in the air, and the condensed water generated therefrom flows down along the separation wall. Therefore, the condensation efficiency is improved compared with the prior art.
  • the second heat exchange apparatus is disposed on the separation wall, has a simple structure, and occupies a relatively small space.
  • the separation wall is preferably made of a heat conductive material. Therefore, the separation wall can well transfer heat among the condensation compartment, the drying compartment, and the second heat exchange apparatus, and help to improve the condensation efficiency.
  • the separation wall may be made of a metal because the metal has preferable heat conductive performance. More preferably, the separation wall may be made of materials with relatively high heat conductive efficiency among metals such as aluminum and copper.
  • the separation wall may use a hollow two-layer structure, and the second heat exchange apparatus is disposed between the two-layer structure, so that the second heat exchange apparatus can be easily installed.
  • An outer surface of the separation wall may be made into a flat shape, to prevent piling up of laundry fluffs in a drying process.
  • the second heat exchange apparatus includes a refrigerant channel, a cooling medium is allowed to pass through the refrigerant channel, and a wall of the refrigerant channel is made of a heat conduction material.
  • the refrigerant may be water or air.
  • the separation wall constitutes at least one part of the wall of the refrigerant channel. Therefore, the structure is simple, and assembly steps are reduced.
  • the wall of the refrigerant channel is exposed in at least one of the drying compartment or the condensation compartment.
  • the wall of the refrigerant channel may be further connected to the separation wall in a manner of being suitable for heat exchange.
  • the refrigerant channel may extend in a snakelike winding manner or spirally, and has an inlet and an outlet.
  • drying compartment and the condensation compartment are formed on a same tub.
  • the drying compartment has a rotatable drum that accommodates laundry, and a gap exists between the drum and the separation wall. After wet hot air exchanges heat with the second heat exchange apparatus, formed condensed water flows down along the separation wall. Because of the gap between the drum and the separation wall, the condensed water is prevented from wetting laundry in the drum.
  • the laundry drying machine includes a tub.
  • a concave portion is disposed on a rear portion of the tub, and the separation wall covers the concave portion from an inner portion of the tub, so as to form the condensation compartment between the concave portion and the separation wall.
  • the drying compartment is formed on the other side of the separation wall, and the condensation compartment has an inlet formed between the separation wall and the tub and an outlet formed on the tub.
  • a laundry drying machine 1 has a rotatable drum 3 located in a case body 2 and a tub 4 sleeved on the drum 3.
  • a concave portion 41 is disposed on a rear portion of the tub 4.
  • a separation wall 5 covers the concave portion 41 from an inner portion of the tub 4, so as to form a condensation compartment 6 between the concave portion 41 and the separation wall 5.
  • a drying compartment 8 is formed on the remaining part of the tub 4, that is, the other end of the separation wall 5.
  • a gap 10 exists between the drum 3 and the separation wall 5.
  • the condensation compartment 6 has an inlet 61 formed between the separation wall 5 and the tub 4 and an outlet 62 formed on the tub 4.
  • the outlet 62 of the condensation compartment 6 is connected to a fan 7 and a hot air pipe 12 in which an air heater 11 is disposed.
  • the downstream of the hot air pipe 12 is further connected to the drying compartment 8 of the tub 4. Therefore, an air circulation path is formed in the drying compartment 8, the condensation compartment 6, the fan 7, and the hot air pipe 12.
  • air is heated by the air heater 11 and then enters the drying compartment 8, further enters the drum 3 that is in spatial communication with the drying compartment 8, exchanges heat with wet laundry, and takes away water in the laundry.
  • Wet hot air that carries water enters the condensation compartment 6, and in the condensation compartment 6, the water in the air is condensed and separated from the air. Then, relatively dry air enters the hot air channel 12 again and is heated by the air heater 11 to enter the next circulation.
  • a first heat exchange apparatus is disposed in the condensation compartment 6, and is specifically implemented as a cooling water supply pipe 63.
  • the cooling water supply pipe 63 is connected to a water valve apparatus 64 and controlled by the water valve apparatus 64.
  • the separation wall 5 is preferably made of metals with preferable heat conduction performance such as aluminum and copper.
  • a second heat exchange apparatus is disposed on the separation wall 5, and is specifically implemented as a refrigerant channel 51.
  • the refrigerant channel 51 is in fluid communication with the water valve apparatus 64, so as to lead in cooling water.
  • An outlet 54 of the refrigerant channel 51 is located on the separation wall 5. Therefore, the cooling water flows down to the bottom of the tub 4 along the separation wall 5, and is further discharged.
  • the separation wall 5 uses a hollow two-layer structure, and includes a first layer 52 and a second layer 53, and the refrigerant channel 51 is disposed between the first layer and the second layer.
  • a wall 510 of the refrigerant channel 51 is in heat conduction connection to the first layer 52 and the second layer 53 of the separation wall 5.
  • the wall 510 of the refrigerant channel 51 is made of a heat conduction material. Therefore, the cooling water in the refrigerant channel 51 further exchanges heat with air in the drying compartment 8 and the condensation compartment 6 under the heat transfer effect between the wall 510 of the refrigerant channel 51 and the first layer 52 and the second layer 53 of the separation wall 5.
  • the separation wall 5 is a single-layer structure, and the refrigerant channel 51 is welded on one side or two sides of the separation wall 5.
  • the separation wall 5 constitutes at least one part of the wall 510 of the refrigerant channel 51.
  • the refrigerant channel 51 is formed on the separation wall 5.
  • the wall 510 of the refrigerant channel 51 is exposed in at least one of the drying compartment 8 or the condensation compartment 6, or the wall 510 of the condensation channel 51 is in heat conduction connection to the separation wall 5.
  • the refrigerant channel 51 extends in a snakelike winding manner. In this way, a refrigerant channel 51 as long as possible may be arranged in a limited space. Therefore, the refrigerant channel 51 has a preferable heat exchange effect.

Landscapes

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

Claims (12)

  1. Wäschetrockner (1) mit einer Trocknungskammer (8) und einer Kondensationskammer (6), die mit der Trocknungskammer (8) in Fluidverbindung steht, wobei eine erste Wärmeaustauschvorrichtung (63) in der Kondensationskammer (6) angeordnet ist, wobei es sich bei der ersten Wärmeaustauschvorrichtung um eine Kühlwasserzulaufvorrichtung, eine Luftkühlvorrichtung oder einen Wärmepumpenverdampfer handelt,
    wobei die Trocknungskammer (8) durch eine gemeinsame Trennwand (5) von der Kondensationskammer (6) getrennt ist und die Trennwand (5) separat einen Teil einer Wand der Trocknungskammer (8) und einen Teil einer Wand der Kondensationskammer (6) bildet, dadurch gekennzeichnet, dass eine zweite Wärmeaustauschvorrichtung einen Kältemittelkanal (51) umfasst, die zweite Wärmeaustauschvorrichtung (51) so ausgelegt ist, dass sie mit Luft in der Trocknungskammer (8) und der Kondensationskammer (6) Wärme austauscht, und an der Trennwand (5) angeordnet ist und ein Kondensieren von Wasser in der Luft weiter beschleunigt.
  2. Wäschetrockner (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Trennwand (5) aus einem wärmeleitenden Material hergestellt ist.
  3. Wäschetrockner (1) nach Anspruch 2, dadurch gekennzeichnet, dass die Trennwand (5) aus einem Metall hergestellt ist.
  4. Wäschetrockner (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Trennwand (5) eine hohle, zweischichtige Konstruktion (52, 53) aufweist und die zweite Wärmeaustauschvorrichtung (51) zwischen der zweischichtigen Konstruktion (52, 53) angeordnet ist.
  5. Wäschetrockner (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Kühlmedium durch den Kältemittelkanal (51) strömen kann und eine Wand (510) des Kältemittelkanals (51) aus einem wärmeleitenden Material hergestellt ist.
  6. Wäschetrockner (1) nach Anspruch 5, dadurch gekennzeichnet, dass die Trennwand (5) zumindest einen Teil der Wand (510) des Kältemittelkanals (51) bildet.
  7. Wäschetrockner (1) nach einem der Ansprüche 5 und 6, dadurch gekennzeichnet, dass die Wand (510) des Kältemittelkanals (51) in der Trocknungskammer (8) und/oder der Kondensationskammer (6) freiliegt.
  8. Wäschetrockner (1) nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass die Wand (510) des Kältemittelkanals (51) auf für den Wärmeaustausch geeignete Weise mit der Trennwand (5) verbunden ist.
  9. Wäschetrockner (1) nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass der Kältemittelkanal (51) auf sich schlängelnde Weise oder spiralförmig verläuft und einen Zulauf und einen Ablauf aufweist.
  10. Wäschetrockner (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Trocknungskammer (8) und die Kondensationskammer (6) am gleichen Laugenbehälter (4) ausgebildet sind.
  11. Wäschetrockner (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Trocknungskammer (8) eine drehbare Trommel (3) aufweist, die Wäsche aufnimmt, und zwischen der Trommel (3) und der Trennwand (5) ein Spalt besteht.
  12. Wäschetrockner (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Laugenbehälter (4) vorhanden ist, an einem hinteren Abschnitt des Laugenbehälters (4) ein konkaver Abschnitt (41) angeordnet ist und die Trennwand (5) den konkaven Abschnitt (41) von einem innenliegenden Abschnitt des Laugenbehälters (4) aus so bedeckt, dass sie zwischen dem konkaven Abschnitt (41) und der Trennwand (5) die Kondensationskammer (6) bildet, die Trocknungskammer (8) auf der anderen Seite der Trennwand (5) ausgebildet ist und die Kondensationskammer (6) einen zwischen der Trennwand (5) und dem Laugenbehälter (4) ausgebildeten Zulauf (61) und einen an dem Laugenbehälter (4) ausgebildeten Ablauf (62) aufweist.
EP17203957.0A 2016-11-30 2017-11-28 Wäschetrocknermachine Not-in-force EP3330432B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611085371.XA CN108118503A (zh) 2016-11-30 2016-11-30 干衣机

Publications (2)

Publication Number Publication Date
EP3330432A1 EP3330432A1 (de) 2018-06-06
EP3330432B1 true EP3330432B1 (de) 2019-07-10

Family

ID=60480245

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17203957.0A Not-in-force EP3330432B1 (de) 2016-11-30 2017-11-28 Wäschetrocknermachine

Country Status (2)

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EP (1) EP3330432B1 (de)
CN (1) CN108118503A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111254672B (zh) * 2018-11-30 2023-09-15 博西华电器（江苏）有限公司 热交换装置及具有热交换装置的衣物烘干器具
CN111254667B (zh) * 2018-11-30 2023-10-27 博西华电器（江苏）有限公司 衣物烘干器具
CN111254668A (zh) * 2018-11-30 2020-06-09 博西华电器（江苏）有限公司 衣物烘干器具
CN111254671B (zh) * 2018-11-30 2023-10-27 博西华电器（江苏）有限公司 热交换装置及具有热交换装置的衣物烘干器具
CN113215777B (zh) * 2020-01-17 2022-12-09 青岛海尔洗涤电器有限公司 一种衣物处理装置的窗垫及衣物处理装置

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IT1254215B (it) * 1992-02-25 1995-09-14 Merloni Antonio Spa Dispositivo economizzatore di acqua per macchine lavatrici asciugatrici di biancheria
DE102004044176A1 (de) * 2004-09-13 2006-03-30 BSH Bosch und Siemens Hausgeräte GmbH Trocknungsverfahren für ein Haushaltsgerät und Haushaltsgerät zur Durchführung des Trocknungsverfahren
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CN201080567Y (zh) * 2007-07-16 2008-07-02 南京乐金熊猫电器有限公司 洗衣机烘干冷凝装置
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KR20100129117A (ko) * 2009-05-28 2010-12-08 엘지전자 주식회사 세탁장치
CN102071563B (zh) * 2009-11-25 2014-03-26 博西华电器（江苏）有限公司 衣物烘干设备
KR20110125390A (ko) * 2010-05-13 2011-11-21 엘지전자 주식회사 세탁장치
CN105463804B (zh) 2014-07-15 2019-02-26 博西华电器（江苏）有限公司 干衣机

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Also Published As

Publication number Publication date
CN108118503A (zh) 2018-06-05
EP3330432A1 (de) 2018-06-06

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