EP2227584B2 - Appareil de séchage - Google Patents
Appareil de séchage Download PDFInfo
- Publication number
- EP2227584B2 EP2227584B2 EP08865318.3A EP08865318A EP2227584B2 EP 2227584 B2 EP2227584 B2 EP 2227584B2 EP 08865318 A EP08865318 A EP 08865318A EP 2227584 B2 EP2227584 B2 EP 2227584B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- process air
- water
- channel
- water drain
- drum housing
- 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
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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
Definitions
- the invention relates to a laundry drying apparatus having a process air channel which opens into a drum housing and which is used to convey process air from the drum housing. is provided to a condensation device and for discharging condensate water from the condensation device in the drum housing, wherein at least one water discharge channel discharges from the process air duct, which opens separately from the process air duct into the drum housing.
- a cooling water chamber is provided in the process air duct, in which cooling water, which flows in the process air duct, is trappable and in which a temperature sensor is arranged, through which the temperature of the cooling water is measurable.
- a hose and a valve are provided, through which the cooling water chamber can be emptied directly into the drum housing.
- the process air cycle of a clothes dryer is typically formed by process air blower, heating channel, laundry drum and condenser.
- the condenser can be water or air cooled.
- the air inlet into the laundry drum is usually located in the door area above a sight glass and the air outlet from the laundry drum is located in the drum housing, ie, on a drum shell or a drum rear wall. This air outlet simultaneously serves as condensate or cooling water entering the drum from the above-arranged condenser. From the drum, the water is periodically pumped out.
- an air-water countercurrent with strong turbulences and a water accumulation caused by underpressure arises in the air outlet opening. Both cause flow resistance, which can hinder the flow of air so much that when regulating the drum inlet temperature not enough heating power for a fast energy-optimized drying process can be introduced.
- a clothes drying machine including an air or water cooled washer dryer or a separate clothes dryer.
- flow-optimized air paths for the process air should be provided.
- the laundry drying apparatus is equipped with a process air duct which opens into a drum housing and is provided for guiding process air and for draining condensate water from a condenser (and possibly cooling water) into the drum housing.
- the condenser is mounted above the process air duct or this section thereof, in which case the process air pipe serves as a downpipe to the drum housing. From the process air pipe leads at least one water discharge channel.
- the water drainage channel By means of the water drainage channel, a part of the guided water in the process air duct can be discharged before its mouth in the drum housing, so that less water over the length of the process air duct is available, which could hinder a process air flow.
- a process air duct designed in this way is optimized for flow and thus consumption.
- the water drainage channel is not limited to carrying only water, but may also be able to carry air, depending on the diameter and structural design.
- the at least one water discharge channel is arranged with respect to a direction of a process air flow so that water present in the process air channel is pressed into the water discharge channel by means of the process air flow. As a result, a water drainage through the water drainage channel is increased and so effectively reduces a process air flow resistance.
- the at least one water discharge channel discharges from a region of high water swirling, since here a water removal can bring about a particularly great reduction of the flow resistance.
- the at least one water discharge channel is connected to a drain pump, in particular to the drain pump. It is advantageous for reducing the design effort and preferred that the at least one water drainage channel without providing a special pump a downpipe is connected to the drum housing or represents such, in particular if a water mask is interposed to prevent an air flow generated by the water discharge duct.
- a water receiving area is provided at an orifice of the water discharge channel in the process air duct.
- a periodically operated pump such as the drain pump, can pump off a large amount of water in a pumping gear.
- the periodic operation of the drain pump is preferred to continuous operation.
- the process air duct has an at least partially curved mouth portion which opens into the drum housing, wherein the at least one water discharge channel from the process air duct at the level of the mouth opening or lower goes off.
- a center point of the outlet opening of the process air channel in the drum housing and a center of a discharge opening of a water discharge channel are offset in height from one another in the process air channel. Due to the height or height difference, the pressure of the process air can be adjusted to the running water.
- a hole axis of the mouth opening of the process air channel into the drum housing and a hole axis of the discharge opening of a water discharge channel are offset in height from one another.
- the at least one water discharge channel goes away from the curved pipe section of the process air pipe, since here strong water vortices typically form.
- a diameter of the process air duct at least in the region of its mouth opening into the drum housing and a diameter of the water discharge channel in the region of its drain opening a ratio of about 2: 1 to 1: 1, or even more, to each other exhibit.
- the water discharge channel is connected via a water mask with the drum housing.
- a particularly preferred variant of the laundry drying device according to the invention is characterized in that the process air duct has a distributor which adjoins a cooler, the water drainage duct being connected to the distributor.
- the cooler serves to condense out moisture from the flowing process air, and the manifold connecting the process air duct to the radiator under any necessary deflection of the process air and adjustment between mutually different flow cross sections while ensuring a largely uniform flow to the radiator. It makes sense to design the arrangement of manifold and radiator so that at least a portion of the condensate formed in the radiator flows counter to the manifold and thus the inflowing process air.
- the water discharge channel appears as a particularly effective means to collect the condensate reached in the manifold and remove controlled.
- the distributor is arranged vertically below the cooler and has a sloping wall closing it vertically downwards, the water discharge channel opening into the distributor in the wall.
- FIG. 1 shows components of a laundry drying apparatus in the form of a washing machine, which is in the state after a wash and before a drying cycle.
- the automatic washing machine has a drum housing 1, in which a laundry drum 2 for receiving laundry 3 is rotatably mounted.
- a fresh water supply line 4 which opens into a dispenser 5
- water is supplied with or without detergent additive to the drum housing 1 and forms there the free fleet 6.
- the auficarmbare a heater 7 free fleet 6 can by means of a drain pump 8 through a drain channel 9 to the outside be drained.
- a circulating air or process air duct 10 for the process air is connected to the tub 1.
- the upper part 11 of the process air duct 10 is connected to the pressure side of a process air blower 12 and opens at its other end in the drum housing 1 above the filling opening (not shown here) of the laundry drum 2.
- the lower part 13 of the process air duct 10 is to the suction side of the process air blower 12 connected and opens in a lower portion in the drum housing 1. This orifice 14 is still above the level that is ever reached by the liquor during washing or rinsing.
- a heating element not shown here, is typically arranged for heating the process air.
- a condensation device 15 is further attached, which has a cooler 16 substantially.
- the cooler is cooled by fresh air, which is sucked from the environment of the washer-dryer by a cooling air blower 17 and fed to the cooler 16 via the cooling air inflow channel 18.
- the cooling air is conducted via a cooling air outflow channel 19 to an exhaust air outlet 20.
- the process air in the condenser condensate condensate can be discharged via a downpipe 21 from the radiator housing to the drum housing 1.
- the downpipe 21 is designed here as part of the process air duct 10.
- the free liquor 6 is pumped out.
- the only required for washing the laundry 3 elements such as fresh water supply line 4 and 5 Ein réelleschale, not available.
- FIG. 2 shows the arranged below the condenser 15 section 21 of the process air duct in the form of a process air tube 10 in the region of a junction 14 in the drum housing 1, as in FIG. 1 indicated by the dashed area. More precisely, the process air pipe 21 merges vertically from above into a curved section 22, which is adjoined by a horizontal, rectilinear end section 23, at the end of which the process air pipe 21 opens at a mouth opening 14 into a side wall of the drum housing 1.
- At least the guided into the process air pipe 21 part of the water drainage channel 24 is here arranged in a straight line and horizontally ,
- a horizontal hole axis L1 of the mouth opening 14 of the process air tube 21 (which here corresponds to the longitudinal axis of the horizontal process air pipe section 23) and a likewise horizontally oriented hole axis L2 of the drain opening 25 of the water discharge channel 24 (corresponding here to the longitudinal axis of the horizontal water discharge channel section) are parallel to each other, but offset in height so that the hole axis L2 of the water discharge channel is lower than that of the process air tube 21.
- the associated diameter of the horizontal portion 23 of the process air pipe 21 is greater than the corresponding diameter of the water discharge channel 24, namely about twice greater.
- the channel section diameter or the diameter of the discharge opening 25 is at least 10 mm.
- the water discharge channel 24 is connected to the drum housing 1 as a water drain without special pumps (i.e., here via a downpipe) following.
- the water drainage channel 24 is positioned as shown in the direction of air flow (thick arrows) so that the condensate or cooling water is pushed through the process air flow towards the drain opening 24 so that there is significant (though not complete) water drainage thereabove , As a result, the water vortices, which are indicated by spirals, reduced, and thus a flow resistance for the process air.
- the further outflow to the drum housing is equipped with a water mask (not shown).
- Such a drying device with the waterways optimized by the second outflow channel is optimized for flow and thus consumption.
- FIG. 3 shows a sectional view in cross-sectional view of a process air tube 26 according to a second embodiment in the region of a junction 14 in a drum housing;
- FIG. 4 the process air tube 26 as a sectional view in front view.
- the water drainage channels 27, 28 continue to descend on a plane (height) of the mouth opening 14, here in a region of strong to strong water vortices.
- FIG. 4 can be seen, the water discharge channels 27, 28 laterally symmetrical offset to the mouth opening 14. As a result, water is no longer pressed directly into the water drainage channels 27, 28.
- the flow resistance in this region of the process air tube 26 is reduced by periodically pumping off the condensate or the cooling water.
- the pumping is done by means of the drain pump.
- Optimal pumping can be achieved structurally by formed in the vortex region pockets 29, 30 for storing the water.
- the pumping stroke should be adjusted to achieve a reduction in process air flow resistance, but maintain a desired lint filtering effect through the water vortex. In the water-cooled case, too frequent pumping should not result in a reduction in the cooling effect of the water.
- an effective diameter of the horizontal process air pipe section and an effective diameter of the horizontal duct section diameter may also have other ratios, e.g. B. less than 2: 1, namely z. Of at least equal size (i.e., 1: 1 or 1: 1 + x, for example), or greater than 2: 1 ratio.
- B. less than 2: 1, namely z.
- at least equal size i.e., 1: 1 or 1: 1 + x, for example
- the water drainage channel can also be considered as another process air duct for draining condensate water.
- the Wasseralbtechnischskanal or its mouth opening need not go off on a plane (height) of the mouth opening 14, but may in particular be lower than the mouth opening 14.
- the drain pump of the water drainage channel does not need to correspond to the drain pump, but may also be a separately controllable pump. There may be more than two water-diverting channels. It is also possible, for example, to use drying devices based on the heat pump principle or water-cooled drying devices.
- FIG. 5 shows a in the process air duct 13 (see also FIG. 1 ) arranged cooler 16 for cooling by flowing process air.
- the process air flows to the cooler 16 through a manifold 31, the water discharge passage 24 is connected to the manifold 31.
- the manifold 31 is arranged vertically below the radiator 16 and has a vertically downwards final, inclined wall 34, wherein the water discharge channel 24 opens into the wall 34 in the manifold 31.
- the cooler 16 serves to condense moisture from the flowing process air, and the manifold 31 connecting the process air duct 13 to the radiator 16 under any necessary deflection of the process air and adjustment between different flow cross sections, ensuring a largely uniform flow of the radiator 16.
- the distributor 31 is connected via a connecting piece 33, in the simplest case a seal 33, to the cooler 16, which in the present case is an air-cooled cooler 16.
- the water discharge channel 24 absorbs such condensate safely and performs it controlled.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Claims (13)
- Appareil pour le séchage du linge avec un canal d'air de processus (10, 21 ; 26) s'ouvrant dans un boitier de tambour (1), prévu pour transporter de l'air de processus du boitier de tambour (1) vers un dispositif de condensation (15) et pour l'écoulement d'eau de condensat du dispositif de condensation (15) dans le boitier de tambour (1), dans lequel au moins un canal de dérivation d'eau (24 ; 27, 28) part du canal d'air de processus (10, 21 ; 26), lequel débouche distinctement du canal d'air de processus (10, 21 ; 26) dans le boitier de tambour (1), caractérisé en ce que l'au moins un canal de dérivation d'eau (24) est positionné de telle manière par rapport à un sens de l'écoulement d'air de processus que l'écoulement d'air de processus pousse l'eau se trouvant dans le canal d'air de processus (21) dans le canal de dérivation d'eau (24).
- Appareil pour le séchage du linge selon la revendication 1, caractérisé en ce qu'au moins deux canaux de dérivation d'eau (27, 28) partent du canal d'air de processus (26).
- Appareil pour le séchage du linge selon la revendication 2, caractérisé en ce que les canaux de dérivation d'eau (27, 28) s'écoulent en décalage latéral par rapport au canal d'air de processus (26).
- Appareil pour le séchage du linge selon l'une des revendications précédentes, caractérisé en ce que l'au moins un canal de dérivation d'eau (27, 28) est raccordé à une pompe de vidange (8).
- Appareil pour le séchage du linge selon l'une des revendications 1 à 3, caractérisé en ce que l'au moins un canal de dérivation d'eau (24) est raccordé sans pompe à une conduite de descente vers le boîtier de tambour (1).
- Appareil pour le séchage du linge selon l'une des revendications précédentes, caractérisé en ce que le canal d'air de processus (21 ; 26) présente une section d'embouchure (22, 23) au moins partiellement courbée qui débouche dans le boitier de tambour (1), dans lequel l'au moins un canal de dérivation d'eau (24 ; 27, 28) part du canal d'air de processus (21 ; 26) à hauteur de l'orifice d'embouchure (14) ou plus bas.
- Appareil pour le séchage du linge selon la revendication 6, caractérisé en ce que l'au moins un canal de dérivation d'eau (24 ; 27, 28) part de la section de tuyau (22) courbée du tuyau d'air de processus (21 ; 26).
- Appareil pour le séchage du linge selon l'une des revendications précédentes, caractérisé en ce qu'un point central de l'orifice d'embouchure (14) du tuyau d'air de processus (21) dans le boitier de tambour (1) et un point central d'un orifice d'écoulement (25) d'un canal de dérivation d'eau (24) dans le tuyau d'air de processus (21) sont déplacés en hauteur l'un par rapport à l'autre.
- Appareil pour le séchage du linge selon la revendication 8, caractérisé en ce qu'un axe perforé (L 1) de l'orifice d'embouchure (14) du tuyau d'air de processus (21) dans le boitier de tambour (1) et un axe perforé (L 2) de l'orifice d'écoulement (25) d'un canal de dérivation d'eau (24) sont déplacés en hauteur l'un par rapport à l'autre.
- Appareil pour le séchage du linge selon l'une des revendications précédentes, caractérisé en ce qu'un diamètre du tuyau d'air de processus (21 ; 26) au moins au niveau de son orifice d'embouchure (14) dans le boitier de tambour (1) et un diamètre du canal de dérivation d'eau (24 ; 27, 28) au niveau de son orifice d'écoulement (25) présentent un rapport approximatif de 2/1 à environ 1/1.
- Appareil pour le séchage du linge selon l'une des revendications précédentes, caractérisé en ce que le canal de dérivation d'eau (24) est relié au boitier de tambour (1) via une soupape hydraulique.
- Appareil pour le séchage du linge selon l'une des revendications précédentes, caractérisé en ce que le canal d'air de processus (21) présente un répartiteur (31) adjoint à un radiateur (16), dans lequel le canal de dérivation d'eau (24 ; 27, 28) est raccordé au répartiteur (31).
- Appareil pour le séchage du linge selon la revendication 12, caractérisé en ce que le répartiteur (31) est disposé à la verticale sous le radiateur (16) et présente une paroi inclinée qui le termine verticalement vers le bas (34), dans lequel le canal de dérivation d'eau (24 ; 27, 28) dans la paroi (34) débouche dans le répartiteur (31).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007061523A DE102007061523A1 (de) | 2007-12-20 | 2007-12-20 | Wäschetrocknungsgerät und Verfahren zum Betreiben desselben |
CNU2008200310563U CN201162144Y (zh) | 2008-01-24 | 2008-01-24 | 进风管以及使用该进风管的洗涤设备 |
PCT/EP2008/067501 WO2009080577A1 (fr) | 2007-12-20 | 2008-12-15 | Appareil de séchage de linge doté d'un canal d'air de traitement |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2227584A1 EP2227584A1 (fr) | 2010-09-15 |
EP2227584B1 EP2227584B1 (fr) | 2012-05-30 |
EP2227584B2 true EP2227584B2 (fr) | 2015-01-14 |
Family
ID=40532621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08865318.3A Not-in-force EP2227584B2 (fr) | 2007-12-20 | 2008-12-15 | Appareil de séchage |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2227584B2 (fr) |
WO (1) | WO2009080577A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012105906A1 (de) * | 2012-07-03 | 2014-01-09 | Miele & Cie. Kg | Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine |
DE102012105904A1 (de) * | 2012-07-03 | 2014-01-09 | Miele & Cie. Kg | Geschirrspülmaschine und Verfahren zum Aufheizen von Spülflotte in einer Geschirrspülmaschine |
EP2898132B1 (fr) | 2012-09-24 | 2018-01-31 | Arçelik Anonim Sirketi | Machine à laver et à sécher le linge comprenant un condenseur |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1610124A1 (de) † | 1967-02-16 | 1970-10-29 | Siemens Elektrogeraete Gmbh | Einrichtung zum Trocknen von Waesche mit einem die Trocknungsluft absaugenden Geblaese |
GB2172977A (en) † | 1985-03-25 | 1986-10-01 | Hotpoint Ltd | Washing machine with tumble dryer |
GB2302398A (en) † | 1995-06-20 | 1997-01-15 | Bosch Siemens Hausgeraete | Air treatment in a condenser of an appliance |
EP0816549B1 (fr) † | 1996-06-26 | 2002-05-02 | CANDY S.p.A. | Machine à laver domestique comportant un circuit fermé de séchage, un système de condensation de la vapeur et un filtre auto-nettoyant |
EP1657341A2 (fr) † | 2004-11-12 | 2006-05-17 | LG Electronics Inc. | Procédé et dispositif de commande d'un processus de séchage dans une machine à laver et à sécher |
EP1524361B1 (fr) † | 2003-10-18 | 2006-10-04 | Lg Electronics Inc. | Dispositif de condensation pour machine à laver et à sécher |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT953257B (it) * | 1972-03-10 | 1973-08-10 | Zucchini G | Condensatore in particolare per la condensazione di flussi gassosi sa turi in uscita dalla botte di lavag gio di impianti per il lavaggio a secco |
DE4325209A1 (de) * | 1993-07-27 | 1995-02-02 | Bosch Siemens Hausgeraete | Zum Trocknen eingerichtete Waschmaschine |
DE10002742C1 (de) * | 2000-01-22 | 2001-06-28 | Whirlpool Co | Wärmepumpen-Wäschetrockner |
JP2003135881A (ja) * | 2001-11-01 | 2003-05-13 | Hitachi Ltd | 洗濯乾燥機および水冷式熱交換器 |
DE102006021828A1 (de) * | 2006-05-10 | 2007-11-15 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einer Prozessluftspirale, und Verfahren zum Trocknen in einem solchen Kondensationstrockner |
-
2008
- 2008-12-15 EP EP08865318.3A patent/EP2227584B2/fr not_active Not-in-force
- 2008-12-15 WO PCT/EP2008/067501 patent/WO2009080577A1/fr active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1610124A1 (de) † | 1967-02-16 | 1970-10-29 | Siemens Elektrogeraete Gmbh | Einrichtung zum Trocknen von Waesche mit einem die Trocknungsluft absaugenden Geblaese |
GB2172977A (en) † | 1985-03-25 | 1986-10-01 | Hotpoint Ltd | Washing machine with tumble dryer |
GB2302398A (en) † | 1995-06-20 | 1997-01-15 | Bosch Siemens Hausgeraete | Air treatment in a condenser of an appliance |
DE19522307C2 (de) † | 1995-06-20 | 2000-06-08 | Bsh Bosch Siemens Hausgeraete | Zum Trocknen eingerichtete Wasch- oder Geschirrspülmaschine |
EP0816549B1 (fr) † | 1996-06-26 | 2002-05-02 | CANDY S.p.A. | Machine à laver domestique comportant un circuit fermé de séchage, un système de condensation de la vapeur et un filtre auto-nettoyant |
EP1524361B1 (fr) † | 2003-10-18 | 2006-10-04 | Lg Electronics Inc. | Dispositif de condensation pour machine à laver et à sécher |
EP1657341A2 (fr) † | 2004-11-12 | 2006-05-17 | LG Electronics Inc. | Procédé et dispositif de commande d'un processus de séchage dans une machine à laver et à sécher |
Also Published As
Publication number | Publication date |
---|---|
EP2227584B1 (fr) | 2012-05-30 |
EP2227584A1 (fr) | 2010-09-15 |
WO2009080577A1 (fr) | 2009-07-02 |
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