EP1974088A1 - Hausgerät zur pflege von wäschestücken - Google Patents
Hausgerät zur pflege von wäschestückenInfo
- Publication number
- EP1974088A1 EP1974088A1 EP06830405A EP06830405A EP1974088A1 EP 1974088 A1 EP1974088 A1 EP 1974088A1 EP 06830405 A EP06830405 A EP 06830405A EP 06830405 A EP06830405 A EP 06830405A EP 1974088 A1 EP1974088 A1 EP 1974088A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- process air
- domestic appliance
- additional heat
- appliance according
- 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.)
- Granted
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
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
-
- 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
- D06F58/206—Heat pump 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 invention relates to a household appliance for the care of laundry items, which has a container for receiving laundry items.
- the container is arranged in a process air supply of the domestic appliance, wherein process air flowing through the process air guide also flows through the container.
- the domestic appliance comprises a first heat exchanger which is coupled to the process air guide and is designed for dehumidifying the process air emerging from the container.
- process air ducting encompasses both a closed process air circulation system and an open process air ducting.
- domestic appliance for the care of laundry items encompasses any such apparatus that is set up for drying laundry, wherein both an exhaust air dryer in which the Process air is passed in an open process air duct after contact with the laundry to the outside, as well as a circulating air dryer, in which the process air is guided in a closed process air cycle, are included.
- the process air guide should in particular include all air ducts and components through which process air flows during operation.
- EP 1 055 767 B1 discloses a domestic appliance designed as a household laundry dryer. This has a fan to produce within a guide a process air flow, which is brought in a drying room in contact with the laundry to be dried to absorb moisture. Also, the domestic appliance includes means for introducing and discharging a liquid into or out of a portion of the process air duct. Furthermore, the domestic appliance has a control which is designed such that in a cleaning phase when the fan is switched off, a section of the process air guide is separated by means of a closing device and flooded at least partially with a liquid for a certain period of time, which at the end of the cleaning phase flows out of the flooded Section of the process air duct is removed.
- a heat exchanger may be arranged for condensing moisture contained in the process air, at which lint and impurities have settled, which are to be removed by the flooding.
- a domestic appliance in the form of a tumble dryer is known, which is equipped with a compressor heat pump to reduce energy consumption.
- a tumble dryer lint which dissipates the process air from the drying laundry, a particular problem is because the fine structures of the flowed through by the process air components, in particular the evaporator and the condenser, the heat pump particularly susceptible to clogging by fine lint, which can not be completely absorbed by a conventional lint filter are.
- the household appliance according to the invention for the care of items of laundry has a container for receiving laundry items, in particular a drum, which in a
- Process air duct is arranged.
- the container is with the process air guide in such
- the domestic appliance comprises a first heat exchanger which is coupled to the process air guide and designed for dehumidifying the process air emerging from the container.
- a first heat exchanger which is coupled to the process air guide and designed for dehumidifying the process air emerging from the container.
- An essential idea is that an additional heat exchanger for lint filtering is arranged in the process air duct. By this configuration is achieved in a reliable manner that fine lint can be filtered out in the process air flow through the additional heat exchanger and thus can no longer attach to the actual means for dehumidifying the exiting the container process air.
- the additional heat exchanger cools the process air flowing through it slightly and causes condensation in the process air to a slight extent, but only as much as useful for binding fine lint, which entrains the process air and which in particular provided by a known, before the additional heat exchanger conventional lint filter can not be collected is required.
- the additional heat exchanger is arranged in the direction of the process air flow in front of the means for dehumidifying the process air.
- cooling elements of the working medium circuit of the domestic appliance are arranged adjacent to an outer side of the additional heat exchanger.
- the additional heat exchanger is coupled directly to the working fluid circuit or arranged in this.
- Such cooling elements do not penetrate this additional heat exchanger itself as a result of such external attachment or contact of the cooling elements with the additional heat exchanger.
- the additional heat exchanger is arranged positively and / or non-positively on the cooling elements.
- this enables effective cooling and, on the other hand, a mechanically stable connection.
- the additional heat exchanger with a biasing device, which may be a spring element in particular, mechanically connected.
- This biasing device is arranged and configured such that it presses the additional heat exchanger to the cooling elements.
- a positionally stable arrangement of the additional heat exchanger in the process air duct is achieved and, moreover, good contact with the cooling elements is produced.
- the additional heat exchanger can be removed in a low-cost manner and quickly from the household appliance and used again. A cleaning process is therefore possible with very little effort.
- the positive connection always ensures sufficient contact after a replacement of the additional heat exchanger in the domestic appliance.
- a lint filter is arranged in the direction of the process air flow upstream of the additional heat exchanger.
- a relatively low cooling capacity suffices in order to achieve a low condensation of the moist process air from the drum filled with wet laundry between the exit from the drum and the entry into the first heat exchanger, but sufficient to catch the lint.
- the additional heat exchanger is arranged and fastened such that it can be removed without the use of a tool from the domestic appliance. This allows uncomplicated removal and cleaning by an operator of the household appliance; an intervention of a specially trained and equipped with appropriate tool specialist in the context of a costly maintenance measure is no longer necessary.
- the domestic appliance is designed as a tumble dryer.
- the non-fixed obstruction of the additional heat exchanger Due to the non-fixed obstruction of the additional heat exchanger in the household appliance easy and uncomplicated removal of the additional heat exchanger from the domestic appliance and in particular from the working fluid circuit is possible. Nevertheless, in particular the positive and / or non-positive connection with the working fluid circuit allows a stable positioning.
- the non-fixed obstruction of the additional heat exchanger has a significant advantage, since the additional heat exchanger must be rinsed at regular intervals by a liquid, especially water, and it is easy to remove and thus can be easily and easily cleaned.
- Fig. 1 is a schematic representation of a tumble dryer
- Fig. 2 is a sectional view of an additional heat exchanger of the tumble dryer.
- FIG. 1 In a schematic block diagram representation in Fig. 1, the essential elements for present explanation of a domestic appliance 1 for the care of laundry items are shown.
- the household appliance 1 for the care of items of laundry is designed as a tumble dryer 1.
- the tumble dryer 1 is designed as a circulating air dryer and comprises a container 2 for receiving laundry items.
- the container 2 is arranged in a process air duct 3, which is designed as a process air circuit 3 in the exemplary embodiment. In this case, the process air flowing in the process air circuit 3 also flows through the container 2.
- the fed through the container 2 dry air or process air is before entering the drum or in the container 2 by a second heat exchanger 5, which serves as a condenser 5 for circulating in a working fluid circuit 4 working equipment, and as required by an additional not shown heater heated and after exiting the container 2 for condensation of moisture contained in the process air through a first heat exchanger 6, which serves as an evaporator 6 for circulating in the working fluid circuit 4 working means cooled.
- the process air is driven by a blower 1 1 and flows in the direction of the arrows through the process air circuit 3. Within the container 2, the heated process air comes into contact with the laundry to be dried and absorbs moisture.
- the working medium circuit 4 is thermally coupled to the process air circuit 3 via the condenser 5, the evaporator 6 and an additional heat exchanger 9 to be described below, which has the function of an additional evaporator 9.
- the working fluid circuit 4 forms with the condenser 5, the evaporator 6, the additional heat exchanger 9 and a compressor 7 and a throttle 8, a heat pump 4, 5, 6, 7, 8, 9.
- the condenser 5 is arranged downstream of the compressor 7 and thus arranged on the pressure side ,
- the condenser 5 nach- and the evaporator 6 upstream throttle 8 in the working fluid circuit 4 causes a necessary for evaporation of the working fluid pressure gradient between the condenser 5 and the evaporator 6.
- the additional heat exchanger 9 is arranged. It is designed for flow filtration and positioned in the direction of the process air flow upstream of the first heat exchanger 5 and the second heat exchanger 6.
- FIG. 2 shows a sectional view showing the arrangement of the additional heat exchanger 9 in the process air circuit 3.
- Cooling elements 13, 14, 15 and 16 are positioned on a first outer side 91 of the additional heat exchanger 9.
- the first outer side 91 faces away from the flowing process air during operation.
- the cooling elements 13 to 16 are parts of a laid as a meander and traversed by the working medium pipe section.
- the additional heat exchanger is composed of a plurality of plates 90, which are stacked perpendicular to the plane of the drawing leaving gaps for the process air 3 flowing in the direction of the arrows.
- Figure 2 shows such a plate 90.
- the protruding on the plate 90 structures 93 form channels or guide means for the process air and enlarge the surfaces on which lint can accumulate.
- the additional heat exchanger 9 is pressed against the cooling elements 13 to 16 by a spring element 12 bearing against the second outer side 92 opposite the first outer side 91 with the first outer side 91.
- the spring element 12 is supported or fixed, for example, on an inner wall of a channel of the process air circuit 3 and generates a biasing force, which presses the additional heat exchanger 9 to the cooling elements 13 to 16.
- the additional heat exchanger 9 is positively and non-positively connected to the cooling elements 13 to 16, whereby an effective thermal coupling is ensured.
- the plates are made of aluminum or another good thermal conductive material.
- the additional heat exchanger 9 is cooled by the working medium flowing through the cooling elements 13 to 16, so that it causes a small degree of condensation in the process air flowing past. Fine lint, which are bound by condensate thus formed at the additional heat exchanger 9, deposited on the plates 90 from.
- the additional heat exchanger 9 is due to its just described design can be easily removed from the process air circuit 3 and thus can be easily cleaned to remove the deposited on the plates 90 fine lint.
- the additional heat exchanger 9 thus prevents easy and reliable contamination of the following in the process air circuit 3 on him evaporator 6, which is structured relatively fine according to the prior art and thus relatively prone to contamination by fluff.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL06830405T PL1974088T3 (pl) | 2005-12-29 | 2006-12-06 | Urządzenie domowe do pielęgnacji sztuk prania |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005062940A DE102005062940A1 (de) | 2005-12-29 | 2005-12-29 | Hausgerät zur Pflege von Wäschestücken |
PCT/EP2006/069359 WO2007077084A1 (de) | 2005-12-29 | 2006-12-06 | Hausgerät zur plege von wäschestücken |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1974088A1 true EP1974088A1 (de) | 2008-10-01 |
EP1974088B1 EP1974088B1 (de) | 2015-06-03 |
Family
ID=37728466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06830405.4A Not-in-force EP1974088B1 (de) | 2005-12-29 | 2006-12-06 | Hausgerät zur pflege von wäschestücken |
Country Status (6)
Country | Link |
---|---|
US (1) | US7866057B2 (de) |
EP (1) | EP1974088B1 (de) |
KR (1) | KR101253803B1 (de) |
DE (1) | DE102005062940A1 (de) |
PL (1) | PL1974088T3 (de) |
WO (1) | WO2007077084A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3184691A1 (de) * | 2015-12-25 | 2017-06-28 | Wuxi Little Swan Co., Ltd. | Wäschetrockner |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
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US7886458B2 (en) * | 2006-12-22 | 2011-02-15 | G.A. Braun Inc. | Lint collection apparatus and system for fabric dryers |
DE102007002181B3 (de) * | 2007-01-15 | 2008-08-21 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einer Wärmepumpe |
ITPN20080015A1 (it) * | 2008-02-27 | 2009-08-28 | Imat Spa | "macchina asciuga biancheria a pompa di calore" |
DE102008032801B4 (de) | 2008-07-11 | 2020-08-06 | BSH Hausgeräte GmbH | Abluftwäschetrockner |
EP1983095B1 (de) * | 2008-08-08 | 2012-09-05 | V-Zug AG | Wäschetrockner mit Heizung im Wärmepumpenkreislauf |
DE102008044277A1 (de) * | 2008-12-02 | 2010-06-10 | BSH Bosch und Siemens Hausgeräte GmbH | Trockner mit einer Wärmepumpe und einer elektrischen Heizung sowie Verfahren zu seinem Betrieb |
DE102008054832A1 (de) | 2008-12-17 | 2010-07-01 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung und Verfahren zum Reinigen eines in einem Prozess-luftkreislauf eines Wasch- oder Wäschetrockners angeordneten Bauteils |
DE102008054835A1 (de) | 2008-12-17 | 2010-07-01 | BSH Bosch und Siemens Hausgeräte GmbH | Wäschetrockner |
US20130047456A1 (en) * | 2009-10-01 | 2013-02-28 | Onder Balioglu | Heat pump laundry dryer machine |
JP5232134B2 (ja) * | 2009-12-28 | 2013-07-10 | パナソニック株式会社 | 衣類乾燥機および洗濯乾燥機 |
US8875526B1 (en) * | 2010-08-09 | 2014-11-04 | Roland H. Isaacson | Temperature and humidity air treatment system |
EP2489775A1 (de) * | 2011-02-18 | 2012-08-22 | Electrolux Home Products Corporation N.V. | Wärmepumpenwäschetrockner und Verfahren zum Betreiben eines Wärmepumpenwäschetrockner |
WO2013024127A1 (en) | 2011-08-18 | 2013-02-21 | BSH Bosch und Siemens Hausgeräte GmbH | Household appliance comprising a driving unit for a heat pump |
EP2559804A1 (de) | 2011-08-18 | 2013-02-20 | BSH Electrodomésticos España, S.A. | Haushaltsgerät mit einer Antriebseinheit für eine Wärmepumpe |
EP2650425B1 (de) * | 2012-04-12 | 2018-11-21 | Electrolux Home Products Corporation N.V. | Wäschetrocknermaschine |
US9382658B2 (en) * | 2012-12-18 | 2016-07-05 | Mohamed H. Tarifi | Lint trap |
EP2749682B1 (de) * | 2012-12-27 | 2015-08-05 | Electrolux Home Products Corporation N.V. | Wäschetrockner |
DE102014203071B4 (de) * | 2013-02-28 | 2018-11-29 | Lg Electronics Inc. | Wäschebehandlungsvorrichtung |
KR102052373B1 (ko) | 2013-02-28 | 2019-12-05 | 엘지전자 주식회사 | 의류처리장치 |
US9562707B2 (en) | 2013-03-14 | 2017-02-07 | Whirlpool Corporation | Refrigerator cooling system having a secondary cooling loop |
CN103557684B (zh) * | 2013-11-20 | 2015-04-22 | 四川双亿实业有限公司 | 空气能双效除湿烘干机组 |
DE102014219457A1 (de) | 2014-09-25 | 2016-03-31 | BSH Hausgeräte GmbH | Trockner mit einer Wärmepumpe und einer Zusatzheizung sowie Verfahren zu seinem Betrieb |
CN107435228B (zh) * | 2016-05-27 | 2019-10-18 | 浙江三花智能控制股份有限公司 | 干衣机 |
US10087569B2 (en) | 2016-08-10 | 2018-10-02 | Whirlpool Corporation | Maintenance free dryer having multiple self-cleaning lint filters |
US10738411B2 (en) | 2016-10-14 | 2020-08-11 | Whirlpool Corporation | Filterless air-handling system for a heat pump laundry appliance |
US10519591B2 (en) | 2016-10-14 | 2019-12-31 | Whirlpool Corporation | Combination washing/drying laundry appliance having a heat pump system with reversible condensing and evaporating heat exchangers |
US10502478B2 (en) | 2016-12-20 | 2019-12-10 | Whirlpool Corporation | Heat rejection system for a condenser of a refrigerant loop within an appliance |
US10480117B2 (en) * | 2017-02-27 | 2019-11-19 | Whirlpool Corporation | Self cleaning sump cover |
US10544539B2 (en) | 2017-02-27 | 2020-01-28 | Whirlpool Corporation | Heat exchanger filter for self lint cleaning system in dryer appliance |
US10514194B2 (en) | 2017-06-01 | 2019-12-24 | Whirlpool Corporation | Multi-evaporator appliance having a multi-directional valve for delivering refrigerant to the evaporators |
US10718082B2 (en) | 2017-08-11 | 2020-07-21 | Whirlpool Corporation | Acoustic heat exchanger treatment for a laundry appliance having a heat pump system |
CN107560378A (zh) * | 2017-08-18 | 2018-01-09 | 成都菲斯普科技有限公司 | 一种医用药材干燥装置 |
US11015281B2 (en) | 2017-09-26 | 2021-05-25 | Whirlpool Corporation | Laundry appliance having a maintenance free lint removal system |
CN110055730B (zh) * | 2018-01-18 | 2022-01-04 | 重庆海尔滚筒洗衣机有限公司 | 一种热泵干衣机及控制方法 |
ES2724363A1 (es) | 2018-03-02 | 2019-09-10 | Bsh Electrodomesticos Espana Sa | Aparato secador de ropa con bomba de calor |
CN110131987B (zh) * | 2019-05-20 | 2020-10-27 | 江苏申炬环保科技有限公司 | 一种系统闭环式污泥除湿烘干系统 |
CN111207570A (zh) * | 2020-03-31 | 2020-05-29 | 郑州轻工业大学 | 一种节能型热泵干燥系统及其控制方法 |
Family Cites Families (13)
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US2749717A (en) * | 1952-10-15 | 1956-06-12 | Avco Mfg Corp | Flexible defroster-heater installation for refrigerator |
US4603489A (en) * | 1984-10-05 | 1986-08-05 | Michael Goldberg | Heat pump closed loop drying |
JPS63209700A (ja) * | 1987-02-24 | 1988-08-31 | 松下電工株式会社 | ヒ−トポンプ式の乾燥機 |
DE4023000C2 (de) | 1990-07-19 | 2003-02-27 | Bsh Bosch Siemens Hausgeraete | Wäschetrockner mit einem Wärmepumpenkreis |
DE4216106C2 (de) * | 1992-05-15 | 1996-04-18 | Aeg Hausgeraete Gmbh | Wäschetrockner mit einem Wärmepumpenkreis |
DE4306215A1 (de) * | 1993-02-27 | 1994-09-01 | Licentia Gmbh | Programmgesteuerter Wäschetrockner mit einem Wärmepumpenkreis |
DE4307372A1 (de) | 1993-03-09 | 1994-09-15 | Licentia Gmbh | Programmgesteuerter Wäschetrockner mit einem Wärmepumpenkreis |
DE29707322U1 (de) * | 1997-04-23 | 1998-08-27 | Aeg Hausgeraete Gmbh | Elektrischer Wäschetrockner mit einem Wärmepumpenkreis |
DE19738735C2 (de) * | 1997-09-04 | 2003-02-20 | Bsh Bosch Siemens Hausgeraete | Kondensationstrockner mit einem geschlossenen Trocknungsluftkreislauf |
ATE247735T1 (de) | 1999-04-30 | 2003-09-15 | Bsh Bosch Siemens Hausgeraete | Verfahren zum reinigen der prozessluftführung eines haushaltwäschetrockners sowie ein zur durchführung dieses verfahrens eingerichteter haushaltwäschetrockner |
JP2001062194A (ja) * | 1999-08-27 | 2001-03-13 | Toshiba Corp | 衣類乾燥機 |
RU2006114770A (ru) | 2003-09-29 | 2007-11-10 | Селф Пропеллед Рисерч энд Дивелопмент Спешелистс,эЛэЛСи (US) | Сушильное устройство (варианты), стиральное устройство и сушильная камера (варианты) |
US7975502B2 (en) * | 2004-02-19 | 2011-07-12 | Panasonic Corporation | Heat pump apparatus and operating method thereof |
-
2005
- 2005-12-29 DE DE102005062940A patent/DE102005062940A1/de not_active Withdrawn
-
2006
- 2006-12-06 EP EP06830405.4A patent/EP1974088B1/de not_active Not-in-force
- 2006-12-06 KR KR1020087015630A patent/KR101253803B1/ko not_active IP Right Cessation
- 2006-12-06 US US12/087,168 patent/US7866057B2/en not_active Expired - Fee Related
- 2006-12-06 WO PCT/EP2006/069359 patent/WO2007077084A1/de active Application Filing
- 2006-12-06 PL PL06830405T patent/PL1974088T3/pl unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2007077084A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3184691A1 (de) * | 2015-12-25 | 2017-06-28 | Wuxi Little Swan Co., Ltd. | Wäschetrockner |
Also Published As
Publication number | Publication date |
---|---|
KR101253803B1 (ko) | 2013-04-12 |
PL1974088T3 (pl) | 2015-11-30 |
US7866057B2 (en) | 2011-01-11 |
US20090223077A1 (en) | 2009-09-10 |
DE102005062940A1 (de) | 2007-07-05 |
EP1974088B1 (de) | 2015-06-03 |
KR20080081936A (ko) | 2008-09-10 |
WO2007077084A1 (de) | 2007-07-12 |
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