EP2227584A1 - Appareil de séchage de linge doté d'un canal d'air de traitement - Google Patents

Appareil de séchage de linge doté d'un canal d'air de traitement

Info

Publication number
EP2227584A1
EP2227584A1 EP08865318A EP08865318A EP2227584A1 EP 2227584 A1 EP2227584 A1 EP 2227584A1 EP 08865318 A EP08865318 A EP 08865318A EP 08865318 A EP08865318 A EP 08865318A EP 2227584 A1 EP2227584 A1 EP 2227584A1
Authority
EP
European Patent Office
Prior art keywords
process air
water
drying apparatus
channel
water discharge
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
Application number
EP08865318A
Other languages
German (de)
English (en)
Other versions
EP2227584B1 (fr
EP2227584B2 (fr
Inventor
Edwin Bolduan
Dieter Schröder
Andreas Stolze
Yanhong Chen
Jie Gao
Wenfeng Pang
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 Bosch und Siemens Hausgeraete GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40532621&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2227584(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE102007061523A external-priority patent/DE102007061523A1/de
Priority claimed from CNU2008200310563U external-priority patent/CN201162144Y/zh
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2227584A1 publication Critical patent/EP2227584A1/fr
Publication of EP2227584B1 publication Critical patent/EP2227584B1/fr
Application granted granted Critical
Publication of EP2227584B2 publication Critical patent/EP2227584B2/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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 
    • D06F58/24—Condensing arrangements

Definitions

  • the invention relates to a laundry drying apparatus having a process air duct which opens into a drum housing and is provided for guiding process air and for discharging condensate water from a condensation device into the drum housing.
  • washing machine or dishwashing machine designed for drying, in particular a laundry drying apparatus, in which machine a condenser is provided which consists of a substantially from bottom to top moist process air through Ström ble hollow body.
  • this condenser is flushed with tap water via a valve that can be switched in one cycle.
  • a particular annular spoiler lip is provided in the supply air of the condenser, at which forms a held in the cycle pauses of the process air flow water ring.
  • 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, d. h., 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
  • 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. This is generally achieved in that an optimized water flow minimizes the flow resistance for the process air in the air inlet region of the condenser.
  • 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 discharge channel By means of the water discharge channel, a part of the water guided in the process air duct can be discharged into the drum housing before its mouth, so that less water is available over the length of the process air duct, 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 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 drainage channel is connected to a drainage pump, in particular to the drainage pump.
  • the at least one water discharge channel is connected to a downpipe to the drum housing without providing a special pump or represents such, in particular if a water supply is interposed to prevent an air flow generated by the water discharge channel .
  • a water receiving area is provided at an orifice of the water discharge channel in the process air duct.
  • the at least one water discharge channel with respect to a direction of a process air flow is arranged so that by means of the process air flow in the process air duct water is pressed into the water discharge channel.
  • a water discharge through the water discharge channel is increased and thus a process airflow resistance is reduced particularly effectively.
  • 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. It is further preferred that 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
  • the distributor connecting the process air duct to the cooler under any necessary deflection of the process air and adjustment between 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 thus appears to be a particularly effective means of collecting the condensate that has reached the distributor and discharging it in a controlled manner.
  • 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.
  • 1 shows a sectional view in cross-sectional view of a washer-dryer.
  • 2 shows a sectional view in cross-sectional view of a process air pipe according to a first embodiment in the region of an opening into a laundry drum;
  • FIG. 3 shows a sectional view in cross-sectional view of a process air pipe according to a second embodiment in the region of an opening into the laundry drum;
  • FIG. 4 shows a sectional view in cross-sectional view of the process air pipe of FIG. 3
  • FIG. 5 shows a view of a cooler with a distributor in the process air duct.
  • 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 connected to the suction side of the process air blower 12 and opens in a lower portion in the drum housing 1. This orifice 14 is still above that level that is ever reached by the lye when 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 essentially has a cooler 16.
  • 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 radiator 16 via the cooling air inflow duct 18 becomes.
  • the cooling air is conducted via a cooling air outflow channel 19 to an exhaust air outlet 20.
  • 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.
  • 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.
  • a water drainage channel 24 now additionally leads away from the process air pipe 21, specifically at one level (height) of the mouth opening 14 in FIG
  • Curvature region 22 of the process air pipe 21 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 pipe 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 discharge opening
  • the water discharge channel 24 (corresponding here to the longitudinal axis of the horizontal water discharge duct 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 tube 21 is larger as the associated diameter of the water discharge channel 24, namely about twice larger.
  • 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 discharge channel 24 is arranged as shown in the direction of the air flow (thick arrows) so that the condensate or cooling water is pushed by the process air flow in the direction of the drain opening 24, so that there is a significant (although not complete) water drainage about.
  • 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 pipe 26 according to a second embodiment in the region of a junction 14 in a drum housing; 4 shows the process air tube 26 as a sectional view in front view.
  • the go In contrast to the first embodiment of FIG 2 now go two water drainage channels 27, 28 from the process air pipe 26, namely obliquely downwards and to the side. However, the go
  • Wasserableitungskanäle 27, 28 continue on a plane (height) of the orifice 14 from, here in a range of strong to strong water vortex.
  • the water drainage channels 27, 28 are offset laterally symmetrically with respect to the mouth opening 14.
  • 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 pump 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.
  • FIG. 3 and FIG. 4 The exemplary embodiment shown in FIG. 3 and FIG. 4, in which cooling water or condensate is pumped out of the air outlet region of the process air pipe 26 in a targeted manner, is optimized for flow and thus consumption.
  • the present invention is not limited to the embodiments shown.
  • 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.
  • drying devices based on the heat pump principle or water-cooled drying devices can also be used.
  • FIG. 5 shows a process air which is arranged in the process air duct 13 (see also FIG.
  • the process air flows through the cooler 16 through a distributor 31, the water discharge channel 24 being connected to the distributor 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, connected.
  • 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)

Abstract

L'invention concerne un appareil de séchage de linge qui présente un canal (10, 21; 26) d'air de traitement qui débouche dans un caisson de tambour (1) et qui est prévu pour amener l'air de traitement et évacuer l'eau de condensation d'un dispositif de condensation (15) prévu dans le caisson de tambour (1). Au moins un canal (24; 27, 28) d'évacuation d'eau dérive du canal (10, 21; 26) d'air de traitement. L'appareil de séchage de linge est en particulier un sèche-linge.
EP08865318.3A 2007-12-20 2008-12-15 Appareil de séchage Not-in-force EP2227584B2 (fr)

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 true EP2227584A1 (fr) 2010-09-15
EP2227584B1 EP2227584B1 (fr) 2012-05-30
EP2227584B2 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014044531A1 (fr) 2012-09-24 2014-03-27 Arcelik Anonim Sirketi Machine à laver et à sécher le linge comprenant un condenseur

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012105904A1 (de) * 2012-07-03 2014-01-09 Miele & Cie. Kg Geschirrspülmaschine und Verfahren zum Aufheizen von Spülflotte in einer Geschirrspülmaschine
DE102012105906A1 (de) * 2012-07-03 2014-01-09 Miele & Cie. Kg Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine

Family Cites Families (11)

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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
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
GB8507722D0 (en) † 1985-03-25 1985-05-01 Hotpoint Ltd Washing machines
DE4325209A1 (de) * 1993-07-27 1995-02-02 Bosch Siemens Hausgeraete Zum Trocknen eingerichtete Waschmaschine
DE19522307C2 (de) † 1995-06-20 2000-06-08 Bsh Bosch Siemens Hausgeraete Zum Trocknen eingerichtete Wasch- oder Geschirrspülmaschine
IT1284443B1 (it) † 1996-06-26 1998-05-21 Candy Spa Macchina lavatrice di tipo domestico con circuito chiuso di asciugatura, condensazione ad aria del vapore e filtro autopulente
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
EP1524361B1 (fr) † 2003-10-18 2006-10-04 Lg Electronics Inc. Dispositif de condensation pour machine à laver et à sécher
US20060137105A1 (en) † 2004-11-12 2006-06-29 Lg Electronics Inc. Drying control apparatus and method of washing and drying machine
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

Non-Patent Citations (1)

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Title
See references of WO2009080577A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014044531A1 (fr) 2012-09-24 2014-03-27 Arcelik Anonim Sirketi Machine à laver et à sécher le linge comprenant un condenseur

Also Published As

Publication number Publication date
EP2227584B1 (fr) 2012-05-30
EP2227584B2 (fr) 2015-01-14
WO2009080577A1 (fr) 2009-07-02

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