EP2373840A1 - Kondensationstrockner mit einem gehäuse - Google Patents
Kondensationstrockner mit einem gehäuseInfo
- Publication number
- EP2373840A1 EP2373840A1 EP09765085A EP09765085A EP2373840A1 EP 2373840 A1 EP2373840 A1 EP 2373840A1 EP 09765085 A EP09765085 A EP 09765085A EP 09765085 A EP09765085 A EP 09765085A EP 2373840 A1 EP2373840 A1 EP 2373840A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- process air
- housing
- condensation dryer
- dryer
- refrigerant
- 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
- 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
Definitions
- the invention relates to a condensation dryer having a housing which has a wall region forming a rear side and a process air circuit for circulating process air, which has a section extending outside the housing on the wall region and is otherwise arranged inside the housing, and in which are arranged A blower for circulating the process air and a drying chamber for receiving articles to be dried, the section being covered by a hood sealingly applied to the wall region.
- Such a condensation dryer is apparent from WO 2006/122840 A1.
- the clothes dryer described therein has an electric heater for the air used for drying laundry, the so-called process air, and the process air is passed through a flow channel to the heater, wherein the flow channel mounted as a U-shaped profile on the outside on a back of a housing of the dryer and covered by a hood.
- the flow channel mounted as a U-shaped profile on the outside on a back of a housing of the dryer and covered by a hood.
- a condensation dryer process air is passed through a fan via a heater in a wet laundry containing drum as a drying chamber.
- the hot air absorbs moisture from the laundry to be dried.
- the then moist process air is passed into a heat exchanger, which is usually preceded by a lint filter.
- the moist process air is cooled, whereby the entrained as vapor moisture condenses and accumulates under the heat exchanger in liquid form.
- the thus dehumidified process air flows again to the heater and from there to the drum to absorb more moisture from the laundry.
- the refrigerant of the heat pump evaporated due to the heating is supplied via a compressor to a condenser functioning as a heat source in the heat pump, where heat is released due to the condensation of the gaseous refrigerant used for heating the process air before entering the drum;
- the heat source takes over the function of heating in a simple condensation dryer.
- the water vapor contained in the moist process air condenses in the heat sink.
- the condensed water is then generally collected in a suitable container.
- WO 2008/107266 A1 and WO 2008/1 1961 1 A1 each disclose a tumble dryer with a heat pump.
- a heat pump in a tumble dryer is usually designed as a compact unit and arranged below the drum for the items to be dried.
- An electric heater for the process air is not available.
- FIGS. 2 to 5 show a tumble dryer which has a drum which can be charged from the front and which can be rotated about a horizontal axis.
- the process air passes from the inside of the drum through a sieve or sieves in the door and then passes through the evaporator, the condenser, the blower and an optional additional heater and is fed through holes in the back wall of the drum back into the drum.
- a channel which is formed by a channel housing.
- An air-conducting shaped part arranged above the additional heat exchanger serves to guide the air in the area of the additional heat exchanger.
- An object of the invention is to provide a condensation dryer of the type defined above, in which the leadership of the process air is done in the most favorable manner and with the best possible means. Possibilities for functional improvement of the tumble dryer should be usable.
- the invention thus relates to a condensation dryer having a housing which has a wall region forming a rear side, and a process air circuit for circulating process air, which has a section extending outside the housing on the wall region and is otherwise arranged inside the housing, and in which arranged are a fan for circulating the process air and a drying chamber for receiving objects to be dried, wherein the portion is covered by a hood placed on the wall region sealingly.
- a heat pump with a heat sink thermally coupled to the process air circuit and a heat source thermally coupled to the process air circuit are present in the housing, and the section arranged on the wall region is formed by a profile part placed on the wall region.
- the hood can be made of different materials.
- the hood is made of metal. It may also be provided with an insulating layer to shield heat and / or sound.
- the hood is bolted to the wall area. Between the hood and the wall area, a seal may be inserted.
- the heat source of the heat pump is the only heater for the process air.
- the heat source is preferably arranged in the process air circuit between the blower and an outlet of the drying chamber.
- the process air circuit section can be formed in one piece or in several parts and also from different materials.
- the process air circuit section can be formed in one piece or in several parts and also from different materials.
- the process air circuit section can be formed in one piece or in several parts and also from different materials.
- Process air circuit section made of plastic.
- the plastic is a polypropylene plastic.
- polypropylene plastic is here to be interpreted broadly and includes propylene homopolymers and propylene copolymers, which consist of at least 50 wt .-% of propylene units.
- Propylene copolymers contain copolymerized as comonomers, preferably ethene and / or butene.
- propylene copolymers used according to the invention can be present as random copolymers or block copolymers.
- process air section is made of plastic, it can be produced particularly advantageously in one piece in a manner known per se.
- the one-piece process air section then covers both the fan and the first and second openings.
- Plastic is particularly advantageous if the heat source of the heat pump is the only heating. In the absence of a conventional heating in particular in the
- Resilience can be used.
- the blower is arranged in a recess of the wall region.
- the fan forms a first end of the section on the wall area.
- the heat source can be arranged at different points in the process air circuit and, in particular, can be located inside or outside the process air circuit section.
- the heat source is preferably arranged outside the process air circuit section in front of the fan.
- the heating of the process air can take place exclusively via the heat source of the heat pump. However, it can also be used in addition to an electric heater.
- Wall area is connected to the drying chamber. This is especially true of
- Wall area placed heater contains. Thus, there is more space available on the wall area, in order to create a favorable passage with the lowest possible pressure loss for the process air between the section and the drying chamber.
- the drying chamber of the condensation dryer according to the invention is preferably a rotatable drum.
- the heat pump of the condensation dryer preferably corresponds to the type of compressor heat pump. For this purpose, it is arranged to circulate a refrigerant through the heat sink, which is an evaporator for the refrigerant, a compressor configured to compress the refrigerant and drive the refrigerant through the heat pump, the heat source, which is a condenser for the refrigerant, and a throttle for relaxing the refrigerant.
- Suitable refrigerants are in particular fluorinated hydrocarbons, in particular the fluorinated ethane derivatives R134a and R152a, mixtures of fluorinated hydrocarbons such as the known compositions R407C and R41 OA and also propane and carbon dioxide.
- the condensation dryer according to the invention preferably has an acoustic and / or visual display means for displaying one or more operating states.
- An optical display means may, for example, a Liquid crystal display on which certain prompts or instructions are given. It may also or alternatively light LEDs in one or more colors light up.
- the condensation dryer according to the invention may comprise an air-to-air heat exchanger, which is preferably designed to be removable. This is particularly advantageous because a removable heat exchanger can be cleaned more easily from lint.
- a further heater is used in the condensation dryer according to the invention, this is preferably a two-stage heater.
- this is appropriate to regulate the heating accordingly, that is. As the degree of dryness progresses, their heating power is reduced to maintain a balance between the supplied and necessary drying energy.
- temperature sensors in the heat pump circuit and / or in the process air circuit known per se are generally used by the person skilled in the art.
- the invention has the advantage that the process air can be passed into the drying chamber with an optimized flow. This reduces pressure losses. In embodiments of the invention, improved thermal insulation is possible.
- FIG. 2 shows plan views of a process air circuit section from a blower to the entry of process air into a drum, the views a), b) and c) differing in that in a) a process air circuit section and a hood are removed, in b) only the hood is removed and in c) the hood shown therein covers the underlying process air circuit section;
- Fig. 3 is a side view of the process air duct shown in Fig. 2.
- drying 1 shows a vertically sectioned condensation dryer 1 (hereinafter abbreviated to "dryer” 1) according to a first embodiment, in which the heating of the process air takes place exclusively via the condenser 15 of the heat pump 13, 14, 15, 17 which acts as the heat source 15.
- the dryer 1 shown in FIG. 1 has a drum 3, which is rotatable about a horizontal axis, as a drying chamber 3, within which drivers 4 are fastened for moving laundry during the rotation of the drum 3.
- Process air is conducted by means of a blower 19 through a drum 3 and a heat pump 13, 14, 15, 17 in an air channel 2 in a closed circuit (process air circuit 2).
- the moist, warm process air is cooled and reheated after condensation of moisture contained in the process air.
- a condensate tray 23 in which the condensate produced during the cooling of the moist, warm process air is collected.
- the condensate can be disposed of, for example, by mechanical emptying or by pumping out of the condensate tray 23.
- the section 22 of the process air circuit 2 from the fan 19 to the drum 3 is considered in more detail below.
- the section 22 lies outside of the housing 24 bounded on a rear side of the dryer 1 by a wall region 24, whereas the process air circuit is otherwise arranged within the housing 24.
- the section 22 is formed between the fan 19 and openings 20 and 21 in the wall region 24, through which the process air passes from the section 22 through the corresponding perforated bottom in the drum 3. Between the bottom of the drum 3 and the wall portion 24, a seal 1 1 is arranged.
- Said portion 22 is formed between the wall portion 24 and a patch on this profile part 25, which is made in one piece and consists of a polypropylene plastic.
- the profile part 25 defines in section 22 a flow channel through which the process air can be controlled and flowed without significant pressure loss from the fan 19 to the openings 20 and 21.
- the profile part 25 is in turn covered by a hood 16, leaving a continuous gap between the profile part 25 and the hood 16.
- the hood is made of metal, namely a molded sheet, and is additionally provided with a - not shown for clarity overview insulation layer , In this way, the hood 16 provides excellent insulation against heat loss and operating noise.
- the fan 19 is designed as a radial fan and arranged in a recess of the wall portion 24. So it connects easily and streamlined to the section 22.
- the heat pump 13, 14, 15, 17 with all its components is arranged completely in the housing 24 of the dryer 1 and thus outside the section 22. It forms the Condenser 15 the only significant for the drying process heat source 15 in the dryer. 1
- the drum 3 is mounted in the embodiment shown in Fig. 1 at the rear bottom by means of a pivot bearing 12 and front by means of a bearing plate 7, the drum 3 rests with a brim on a sliding strip 8 on the bearing plate 7 and is held at the front end.
- the control of the condensation dryer via a controller 10, which can be controlled by the user via an operating unit 9.
- a display device 18 By means of a display device 18 different states of the condensation dryer can be visually or acoustically displayed.
- FIG. 2 shows by way of example top views of the section 22 from the fan 19 until the process air enters a drum 3 (not shown in detail here).
- the views a), b) and c) differ in that in FIG. 2 a) the profile part 25 and a hood 16 are removed, in Fig. 2b) only the hood 16 is removed and in Fig. 2c), the hood 16 shown therein covers the underlying profile part 25.
- a first opening 20 and a second opening 21 are shown, wherein in the embodiment shown in Fig. 2a), the second opening 21 consists of two mirror-image arranged quadrangular partial openings.
- the process air flows into the drum 3 via both openings 20 and 21.
- the part of the profile part 25 shown here covers the first opening 20 and the second openings 21.
- the process air flows in the part of the process air channel 2 shown here (section 22) from the fan 19 to the drum 3 also not shown here.
- FIG. 3 shows a side view of the profile part 25 shown in FIG. 2.
- the arrows show the direction of flow of the heated process air coming from the condenser 15, not shown here, via the fan 19 through the process air circuit section to the openings 20 and 21.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL09765085T PL2373840T3 (pl) | 2008-12-03 | 2009-12-02 | Suszarka kondensacyjna z obudową |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008044323A DE102008044323A1 (de) | 2008-12-03 | 2008-12-03 | Kondensationstrockner mit einem Gehäuse |
| PCT/EP2009/066233 WO2010063760A1 (de) | 2008-12-03 | 2009-12-02 | Kondensationstrockner mit einem gehäuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2373840A1 true EP2373840A1 (de) | 2011-10-12 |
| EP2373840B1 EP2373840B1 (de) | 2017-02-22 |
Family
ID=41785944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09765085.7A Active EP2373840B1 (de) | 2008-12-03 | 2009-12-02 | Kondensationstrockner mit einem gehäuse |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8656604B2 (de) |
| EP (1) | EP2373840B1 (de) |
| CN (1) | CN102239290B (de) |
| DE (1) | DE102008044323A1 (de) |
| PL (1) | PL2373840T3 (de) |
| WO (1) | WO2010063760A1 (de) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8539694B2 (en) * | 2007-08-03 | 2013-09-24 | Lg Electronics Inc. | Clothes treatment apparatus |
| EP2058427A1 (de) * | 2007-11-06 | 2009-05-13 | BSH Electrodomésticos España, S.A. | Haushaltsgerät mit Wärmepumpeneinheit und Mitteln zur Kühlung eines Komponenten davon |
| DE102007061041A1 (de) * | 2007-12-18 | 2009-06-25 | BSH Bosch und Siemens Hausgeräte GmbH | Wäschetrocknungsgerät mit einer Wärmepumpe |
| DE102008019920A1 (de) * | 2008-04-21 | 2009-10-22 | BSH Bosch und Siemens Hausgeräte GmbH | Hausgerät insbesondere zum Trocknen eines Wäschepostens |
| DE102008040946A1 (de) * | 2008-08-01 | 2010-02-04 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einer Wärmepumpe und Erkennung eines unzulässigen Betriebszustands sowie Verfahren zu seinem Betrieb |
| DE102008041019A1 (de) * | 2008-08-06 | 2010-02-11 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einer Wärmepumpe und Erkennung eines unzulässigen Betriebszustands sowie Verfahren zu seinem Betrieb |
| DE102008044323A1 (de) * | 2008-12-03 | 2010-06-10 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einem Gehäuse |
| US9091015B2 (en) * | 2012-11-28 | 2015-07-28 | Elwha Llc | Energy efficient dryer systems |
| US9562707B2 (en) | 2013-03-14 | 2017-02-07 | Whirlpool Corporation | Refrigerator cooling system having a secondary cooling loop |
| CN104631069A (zh) * | 2013-11-07 | 2015-05-20 | 杭州三花研究院有限公司 | 干衣机及其控制方法 |
| PL2975172T3 (pl) * | 2014-07-17 | 2022-01-24 | Electrolux Appliances Aktiebolag | Sposób wytwarzania obudowy urządzenia gospodarstwa domowego i taka obudowa |
| EP2996121A1 (de) | 2014-09-09 | 2016-03-16 | Core Elektronik Ticaret ve Sanayi Ltd. Sti. | Verbesserte Stromwandlerabschirmung für einen elektronischen Wattstundenzähler |
| KR102343262B1 (ko) * | 2014-10-28 | 2021-12-23 | 엘지전자 주식회사 | 의류처리장치 |
| KR102300343B1 (ko) | 2014-10-28 | 2021-09-09 | 엘지전자 주식회사 | 의류처리장치 |
| US10087569B2 (en) | 2016-08-10 | 2018-10-02 | Whirlpool Corporation | Maintenance free dryer having multiple self-cleaning lint filters |
| 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 |
| US10738411B2 (en) | 2016-10-14 | 2020-08-11 | Whirlpool Corporation | Filterless air-handling system for a heat pump laundry appliance |
| US10502478B2 (en) | 2016-12-20 | 2019-12-10 | Whirlpool Corporation | Heat rejection system for a condenser of a refrigerant loop within an appliance |
| 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 |
| US11015281B2 (en) | 2017-09-26 | 2021-05-25 | Whirlpool Corporation | Laundry appliance having a maintenance free lint removal system |
| EP3467187B1 (de) | 2017-10-09 | 2021-12-22 | Whirlpool Corporation | Zur verwendung in einer maschine zum trocknen von wäsche konfigurierter filter und mit solch einem filter ausgestattete maschine zum trocknen von wäsche |
| US10781550B2 (en) * | 2018-06-25 | 2020-09-22 | Whirlpool Corporation | Composite material structural panel having an integral air channel |
| CN114096708A (zh) * | 2019-07-12 | 2022-02-25 | Lg电子株式会社 | 烘干机 |
| KR20220121511A (ko) | 2021-02-25 | 2022-09-01 | 엘지전자 주식회사 | 의류처리장치 |
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| US2660806A (en) * | 1950-07-18 | 1953-12-01 | Philco Corp | Clothes drying system |
| US4621438A (en) * | 1980-12-04 | 1986-11-11 | Donald M. Thompson | Energy efficient clothes dryer |
| DE4023000C2 (de) | 1990-07-19 | 2003-02-27 | Bsh Bosch Siemens Hausgeraete | Wäschetrockner mit einem Wärmepumpenkreis |
| US5361511A (en) * | 1993-07-30 | 1994-11-08 | Brown John R | Methods and apparatus for treating the exhaust air of a clothes dryer |
| KR100487329B1 (ko) * | 2002-10-10 | 2005-05-03 | 엘지전자 주식회사 | 응축식 의류건조기 및 그 제어방법 |
| CN100334290C (zh) * | 2003-08-07 | 2007-08-29 | 三洋电机株式会社 | 烘干机 |
| DE102005013051A1 (de) * | 2005-03-18 | 2006-09-21 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensations-Wäschetrockner |
| DE102005023442A1 (de) | 2005-05-20 | 2006-11-30 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltgerät zur Pflege von Wäschestücken insbesondere Wäschetrockner |
| DE102005023446A1 (de) | 2005-05-20 | 2006-11-23 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltgerät zur Pflege von Wäschestücken, insbesondere Wäschetrockner |
| EP1885937A4 (de) * | 2005-05-23 | 2013-11-20 | Ahn Byung Hwan | Trockner und steuerungsverfahren dafür |
| JP4783125B2 (ja) * | 2005-11-17 | 2011-09-28 | 株式会社東芝 | 衣類乾燥機 |
| US20070256322A1 (en) | 2006-04-27 | 2007-11-08 | Daewoo Electronics Corporation | Dryer having heater-installed suction duct |
| CN101173440B (zh) | 2006-10-31 | 2011-09-14 | 海尔集团公司 | 一种采用热泵作为热源的洗衣干燥机干燥方法 |
| CN101173481B (zh) | 2006-10-31 | 2011-04-06 | 海尔集团公司 | 一种采用热泵作为热源的洗衣干燥机前过滤结构 |
| DE202006018205U1 (de) | 2006-11-06 | 2007-02-15 | V-Zug Ag | Wäschetrockner mit Zusatzwärmetauscher |
| EP1964965A1 (de) | 2007-03-02 | 2008-09-03 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät mit Wärmepumpe |
| DE102007016078A1 (de) * | 2007-04-03 | 2008-10-09 | BSH Bosch und Siemens Hausgeräte GmbH | Hybridtrockner und Verfahren zum Betreiben eines solchen Hybridtrockners |
| DE102007016074A1 (de) | 2007-04-03 | 2008-10-09 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren und Vorrichtung zum Reinigen eines Bauteiles, insbesondere eines Verdampfers einer Kondensatoreinrichtung sowie Wasch- oder Wäschetrockner mit einer solchen Vorrichtung |
| DE102008009782A1 (de) * | 2008-02-19 | 2009-08-27 | BSH Bosch und Siemens Hausgeräte GmbH | Hausgerät zum Trocknen eines feuchten Gutes mit einer Kühlanordnung und einer Heizanordnung |
| JP4922209B2 (ja) * | 2008-03-04 | 2012-04-25 | 株式会社東芝 | 洗濯乾燥機 |
| EP2138627B1 (de) * | 2008-06-27 | 2016-08-10 | BSH Hausgeräte GmbH | Trockner mit einem Kühlkörper und einem Kondensatbehälter |
| DE102008044323A1 (de) * | 2008-12-03 | 2010-06-10 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einem Gehäuse |
| US20110277334A1 (en) * | 2010-04-28 | 2011-11-17 | Lee Yongju | Cloth treating apparatus |
| EP2423375B1 (de) * | 2010-08-24 | 2015-12-02 | Electrolux Home Products Corporation N.V. | Waschmaschine mit Drehtrommel |
| US20120060387A1 (en) * | 2011-04-29 | 2012-03-15 | General Electric Company | Heat exchanger for a heat pump laundry dryer |
| US9834882B2 (en) * | 2011-07-07 | 2017-12-05 | Haier Us Appliance Solutions, Inc. | Device and method for heat pump based clothes dryer |
-
2008
- 2008-12-03 DE DE102008044323A patent/DE102008044323A1/de not_active Withdrawn
-
2009
- 2009-12-02 US US13/128,644 patent/US8656604B2/en not_active Expired - Fee Related
- 2009-12-02 CN CN2009801487695A patent/CN102239290B/zh active Active
- 2009-12-02 PL PL09765085T patent/PL2373840T3/pl unknown
- 2009-12-02 WO PCT/EP2009/066233 patent/WO2010063760A1/de not_active Ceased
- 2009-12-02 EP EP09765085.7A patent/EP2373840B1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010063760A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102239290A (zh) | 2011-11-09 |
| WO2010063760A1 (de) | 2010-06-10 |
| EP2373840B1 (de) | 2017-02-22 |
| US8656604B2 (en) | 2014-02-25 |
| US20110209357A1 (en) | 2011-09-01 |
| CN102239290B (zh) | 2013-11-06 |
| DE102008044323A1 (de) | 2010-06-10 |
| PL2373840T3 (pl) | 2017-08-31 |
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