EP2521813B1 - Dispositif pour nettoyer un élément d'un appareil de séchage et appareil de séchage équipé d'un tel dispositif - Google Patents

Dispositif pour nettoyer un élément d'un appareil de séchage et appareil de séchage équipé d'un tel dispositif Download PDF

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Publication number
EP2521813B1
EP2521813B1 EP10779282.2A EP10779282A EP2521813B1 EP 2521813 B1 EP2521813 B1 EP 2521813B1 EP 10779282 A EP10779282 A EP 10779282A EP 2521813 B1 EP2521813 B1 EP 2521813B1
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EP
European Patent Office
Prior art keywords
distribution channel
component
overflow region
diffuser
rinsing medium
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.)
Active
Application number
EP10779282.2A
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German (de)
English (en)
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EP2521813A2 (fr
Inventor
Klaus Grunert
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
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Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL10779282T priority Critical patent/PL2521813T3/pl
Publication of EP2521813A2 publication Critical patent/EP2521813A2/fr
Application granted granted Critical
Publication of EP2521813B1 publication Critical patent/EP2521813B1/fr
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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 
    • D06F58/22—Lint collecting arrangements

Definitions

  • the invention relates to a device for cleaning a component of a dryer which can be charged with lint with liquid rinsing medium, which has a diffuser arranged above the component for distributing the rinsing medium, the diffuser having a distribution channel extending over its width for distributing the rinsing medium introduced into the diffuser and a fluidically coupled to the distribution channel overflow region, with which the flushing medium in the vertical flow direction down to the component is conductive. Furthermore, the invention relates to a dryer with such a device.
  • a device and a method of the type mentioned are the publication DE 10 2007 016 074 A1 refer to.
  • This describes an apparatus and a method for cleaning a arranged within a process air cycle of a washing and tumble dryer component, in particular an evaporator of a condenser unit.
  • condensate separated out of the process cycle is first collected in a condensate water tank, from which it then flows to one above the evaporator provided rinse tank is pumped.
  • the condensate passes as a flood of water on or to the component to be cleaned.
  • the rinse water is lint-laden with condensate. This leads to a not always complete and optimal cleaning and involves the risk of long-term contamination of the component.
  • FIG. 1 a schematic exemplary sectional view of a clothes dryer 1 shown.
  • This comprises a drum 2, which can rotate about an axis of rotation extending perpendicular to the plane of the figure and is designed to receive items of laundry.
  • the loading of the drum 2 takes place via a feed opening 3.
  • the tumble dryer 1 comprises a process air guide which is not further specified in the figure, via which process air is conducted into the drying chamber or the drum 2 and absorbs moisture there. This then moist process air is then discharged from the drum 2 again; she is laden with fine fibers and particles that have carried her away from the laundry she has passed; These fibers and particles are commonly referred to as lint.
  • the lint is filtered to a large extent by a lint 4 arranged behind the outlet from the drum 2 in the process air guide from the process air.
  • a corresponding device and a liquid flushing medium are provided for cleaning this lint filter 4, which is arranged below the drum 2, a corresponding device and a liquid flushing medium are provided.
  • the flushing medium can be, for example, the condensate produced during operation of the tumble dryer 1.
  • the flushing medium is stored in a container, not shown, and passed through a downpipe 5 in a lateral inlet 6 of a diffuser 7 of the device in the diffuser 7.
  • the diffuser 7 is arranged above the lint filter 4.
  • this flushing medium is conducted in the diffuser 7 according to the flow directions, which are represented by the arrows P1, to the lint filter 4.
  • the flow direction has a very large component in the horizontal direction, so that when viewed from the front, a flow direction results obliquely to the bottom right.
  • this results in a relatively uneven flow distribution on the lint filter 4, and this results in uneven cleaning.
  • the left lower part of the lint filter 4 is not or only very poorly overflowed with rinsing liquid, and therefore there is the cleaning of lint and the rinsing of lint only limited possible.
  • From the DE 10 2008 055 086 A1 is a device for cleaning a component of a dryer with liquid flushing medium, which has a diffuser arranged above the component for distributing the flushing medium, wherein the diffuser has a distribution channel extending over its width for distributing the flushing medium introduced into the diffuser and a fluidic with the distribution channel Coupled overflow region, with which the flushing medium in the vertical flow direction down to the component is conductive known.
  • a device for cleaning a component of a dryer with liquid flushing medium comprises a diffuser, which is designed to distribute the flushing medium and which is arranged above the component to be cleaned.
  • the diffuser comprises a distribution channel extending over its width for distributing the flushing medium introduced into the diffuser and an overflow region which is fluidically coupled to the distribution channel and with which the flushing medium can be conducted downwards to the component with a vertical flow direction.
  • the overflow area extends over the entire width of the distribution channel.
  • the overflow region has at least two, in particular a plurality of chambers, viewed over its width, which are delimited by ribs, wherein the ribs are arranged transversely to the inflow direction of the flushing medium in the distribution channel.
  • the distribution channel is positionally formed under the overflow area.
  • initially an unhindered inflow of the flushing medium into the diffuser can be ensured and first of all the distribution channel can be flooded accordingly.
  • virtually no flow obstacles are formed over its entire width, so that the filling can be done very quickly and evenly over the entire width. Due to the arrangement of the distribution channel and the overflow region, the supply of the flushing medium via the overflow region to the component to be cleaned can also be metered and coordinated over the entire width.
  • the ribs are arranged at a distance between 10 mm and 80 mm, in particular at 40 mm. This results in particularly suitable volumes for these chambers in terms of their number and their fast filling possibility and their very vertical discharge of the flushing medium in the lint filter.
  • a rib extends over the entire depth of the overflow region and thus forms a fully closed partition between two chambers.
  • the overflow region has deflections for the flushing medium, through which the flushing medium flowing upwards from the distribution channel is deflected downwards in a chamber of the overflow region in the direction of an outlet of a chamber.
  • Such a configuration ensures the particularly metered overflow and introduction of the flushing medium from the diffuser into the component and realizes a particularly precisely directed flow direction with regard to the vertical inflow of the flushing medium into the component to be cleaned.
  • This contributes particularly advantageously to avoiding a desired spilling over of the diffuser into the component to be cleaned and to a very metered and directed inflow of the flushing medium to the component being able to be achieved.
  • this also ensures that only at a certain degree of filling of the distribution channel overflow into the overflow area and from there to the component to be cleaned is guaranteed.
  • an outlet channel of the overflow region is tapered towards its outlet. This also improves the flow metering, the specification of the flow direction and the targeted inflow into the component.
  • the distribution channel and the overflow area are arranged and fluidically coupled, that the flushing medium flowing into the distribution channel flooding the distribution channel over its entire width and after complete filling of the distribution channel automatically a back pressure is built up, through which the flushing medium in the overflow area is pressed and flows over the outlets in the overflow area vertically downwards the component. It is created by a very adapted positional order of the distribution channel and the overflow area and their explicit design quasi an aerodynamic automation, with both the filling of the diffuser can be done quickly and evenly across the width and beyond the extremely precise and metered and very directional flow into the component that is to be cleaned of lint is reached automatically.
  • the distribution channel is formed tapered on its side facing the overflow region.
  • This embodiment can also prevent premature and undesired spilling over of flushing medium during filling of the distribution channel into the overflow region and from this in an undesired manner at this point in time to the component.
  • this embodiment of the distribution channel and the particularly precise structure of the required dynamic pressure can be ensured.
  • the distribution channel and the overflow region extend over the entire width of the component, in particular a lint filter of the dryer.
  • a vertical inflow of the flushing medium into the component can be guaranteed virtually over the entire width, and a virtually complete and uniform cleaning of the component is made possible.
  • an inlet for flushing medium to the distribution channel is formed laterally on the diffuser and at one end of the distribution channel. This is considered as viewed in the width direction of the diffuser.
  • the distribution channel is formed like a channel and formed closed on its underside facing the component to be cleaned.
  • This configuration which is open at the top to the overflow region, allows an automatic overflow of the flushing medium into the overflow region when the distribution channel is completely filled.
  • the diffuser is integrally formed with its distribution channel and its overflow area.
  • a plastic part is realized, so that a manufacturing technology is created very simple and inexpensive to produce part.
  • the number of components of the device can be reduced.
  • assembly tolerances between the distribution channel and the overflow region are prevented by this one-piece construction, so that a particularly advantageous embodiment is realized with regard to the fluidic coupling and the impairment of the fluidic operating principle due to assembly tolerances, which could occur with separate components, is avoided.
  • the invention relates to a dryer, in particular a tumble dryer or a washer-dryer, with at least one component which can be acted upon by lint and a device according to the invention or an advantageous embodiment thereof, which is designed and arranged for cleaning this component.
  • the dryer according to the invention has, in addition to the at least one component which can be acted upon with lint, a device for cleaning the component with liquid rinsing medium, which device has a diffuser arranged above the component for distributing the rinsing medium.
  • the diffuser has a distribution channel extending over its width for distributing the flushing medium introduced into the diffuser and an overflow region which is fluidically coupled to the distribution channel on, whereby the flushing medium in the vertical flow direction can be conducted down to the component.
  • the distribution channel and the overflow area are arranged and fluidically coupled so that the flushing medium flowing into the distribution channel floods the distribution channel over its entire width, and after complete filling of the distribution channel automatically a dynamic pressure is built up in the distribution channel, through which the Rinsing medium is pressed into the overflow area and flows over the outlets in the overflow area vertically downwards into the component to be cleaned.
  • the component to be cleaned of lint is particularly preferably a lint filter in the dryer according to the invention.
  • a dryer 1 With regard to the design of a dryer 1 taught here for the first time with a drum 2, a feed opening 3, a lint filter 4, a downpipe 5 for supplying a liquid rinsing medium and further components not further specified, the dryer 1 is used according to FIG Fig. 1 directed.
  • Fig. 2 shows a front view of the device 8 analogous to the viewing direction in Fig. 1 , According to the schematic representation in Fig. 2 When viewed in the vertical direction (y-direction), the device is arranged above the lint filter 4.
  • the lint filter 4 represents the component subjected to lint, which is to be cleaned with the liquid rinsing medium.
  • the liquid flushing medium which may be collected condensate, for example, is guided via the downpipe 5 to an inlet 10 in accordance with the arrow P2.
  • This inlet 10 opens into the diffuser 9 of the device 8, wherein, according to the illustration shown, the inlet 10 opens on one side 11.
  • This lateral junction is required due to the arrangement of the lint filter 4 under the drum 2.
  • the lint filter 4 has a width b1, wherein the width in the x-direction and thus measured horizontally.
  • the diffuser 9 extends over a width which corresponds at least to the total width b1 of the lint filter 4.
  • the diffuser 9 comprises a distribution channel 12 and an overflow region 13.
  • the distribution channel 12 extends over the entire width of the diffuser 9 and thus also over the entire width b1 of the lint filter 4. Accordingly, the overflow region 13 also extends in the exemplary embodiment.
  • Direction is formed above the distribution channel 12, over this entire width b1.
  • the diffuser 9 with its distribution channel 12 and its overflow area 13 is formed as an integral part.
  • the distribution channel 12 which is connected to the inlet 10, has over its entire width on the flow cross-section in the x direction as viewed reducing components.
  • the inlet is thus virtually unhindered and it can be a fast and uniform filling of the distribution channel 12 over the entire width can be achieved.
  • the distribution channel 12 is designed so that it has the largest possible flow cross section in order to minimize the throttling of the inflow of the liquid flushing medium via the inlet 10.
  • a plurality of chambers are formed in the overflow region 13 formed above it and arranged, these chambers being separated from one another by partition walls which are formed by ribs 14, 15, 16 and 17.
  • the ribs 14 to 17 are merely exemplary in the number shown by way of example. It is also possible to provide more or less such spaced-apart, mutually parallel ribs 14 to 17.
  • the ribs 14 to 17 are in the embodiment transversely and thus in particular perpendicular to the substantially horizontal flow direction P3, which indicates the flow of the liquid in the distribution channel 12, oriented.
  • the ribs 14 to 17 thus extend in parallel planes that are oriented perpendicular to the plane of the figure and have the y-axis.
  • the distance in the x-direction between the ribs 14 to 17 between 10 mm and 80 mm, preferably 40 mm.
  • the cleaning liquid can be distributed over the width of the lint filter 4 without major flow resistances in the diffuser 9.
  • the overflow region 13 is constructed so that the supply of the flushing medium to the lint filter 4 with a vertical flow direction when viewed from the front of the device 8 according to the arrow P4 and thus the flow direction P4 is oriented vertically downwards when viewed from the front.
  • This embodiment of the diffuser 9 and the possibility thus created ensures a complete and uniform supply of the cleaning liquid to the lint filter 4, and by the vertical flow direction of the lint 4 flowing flushing medium a circumferential lint removal from the lint 4 for its purification.
  • Fig. 3 is a schematic sectional view along the section line III-III of the diffuser 9 in the region of a rib, in the embodiment of the rib 14 shown.
  • the distribution channel 12 can be seen with the overflow region 13 formed above.
  • the rib 14 is shown.
  • the downwardly closed and trough-like distribution channel 12 is formed tapered upwards to the overflow region 13.
  • the distribution channel 12 goes directly into the overflow area 13.
  • Deflections 18 are formed in the overflow region 13, by means of which the flushing medium pushed upwards into the overflow region 13 due to the built-up dynamic pressure from the distribution channel 12 is deflected in the direction of an outlet channel 19.
  • the outlet channel 19 has an outlet 20 at its front end, wherein this outlet channel 19 tapers towards the outlet 20.
  • a flow direction is understood in which, as shown in FIG Fig. 2 virtually no vectorial flow component occurs in the x-direction.
  • the lint filter 4 can be arranged inclined relative to the y-direction forward or backward and thus also with respect to the plane of the figure in Fig. 2 can be arranged forward or backward.
  • the flow direction according to the arrow P4 is inclined accordingly, in this regard, the inclination to the rear or to the front relative to the plane in FIG Fig. 2 also understood as vertical.
  • vertical flow is to be understood as meaning that it has no or one almost negligible vectorial flow component in the x-direction as shown in FIG Fig. 2 has no or negligible flow component and thus in the direction of the inflow of the flushing medium (direction P3) in the distribution channel 12.
  • Fig. 4 a further sectional view of the diffuser 9 is shown, wherein the section along the section line IV-IV in Fig. 2 he follows. It is a sectional view away from a rib formed by a chamber, in this regard, the chamber 22 is given.
  • the deflection 18 can be seen in the overflow area 13, wherein the deflection of the flushing medium according to the arrow P5 occurs.
  • partition wall 21 between the outlet channel 19 and the upper end of the distribution channel 12 is shown.
  • the partition wall 21 also forms a separation between the outlet channel 19 and the part of the overflow region 13 which opens into the distribution channel 12 or adjoins it.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Claims (15)

  1. Dispositif (8) destiné à nettoyer un élément (4), pouvant être chargé avec des peluches, d'un appareil de séchage (1) à l'aide d'un fluide de nettoyage, lequel dispositif présente un diffuseur (9) disposé au-dessus de l'élément (4), destiné à distribuer le fluide de nettoyage, le diffuseur (9) présentant un canal de distribution (12) s'étendant sur sa largeur, destiné à distribuer le fluide de nettoyage introduit dans le diffuseur (9), et une zone de trop-plein (13) couplée au canal de distribution (12) quant au flux, au moyen de laquelle zone de trop-plein le fluide de nettoyage peut être guidé vers le bas en direction de l'élément (4) dans le sens vertical du flux (P4), caractérisé en ce que la zone de trop-plein (13) présente des chambres (22 à 26) qui sont séparées par des nervures (14 à 17), les nervures (14 à 17) étant disposées transversalement au sens d'admission (P3) du fluide de nettoyage dans le canal de distribution (12).
  2. Dispositif (8) selon la revendication 1, caractérisé en ce que la zone de trop-plein (13) s'étend sur la largeur totale du canal de distribution (12).
  3. Dispositif (8) selon la revendication 1 ou 2, caractérisé en ce que le canal de distribution (12) est réalisé en dessous de la zone de trop-plein (13).
  4. Dispositif (8) selon l'une quelconque des revendications précédentes, caractérisé en ce que les nervures (14 à 17) sont disposées avec un écart compris entre 10 mm et 80 mm, notamment de 40 mm, les unes par rapport aux autres.
  5. Dispositif (8) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une nervure (14 à 17) s'étend sur toute la profondeur de la zone de trop-plein (13) et forme une paroi de séparation entre deux chambres (22 à 26).
  6. Dispositif (8) selon l'une quelconque des revendications précédentes, caractérisé en ce que la zone de trop-plein (13) présente des déflecteurs (18) au moyen desquels le fluide de nettoyage affluant vers le haut depuis le canal de distribution (12) dans une chambre (22 à 26) est dévié vers le bas en direction d'une sortie (20) d'une chambre (22 à 26).
  7. Dispositif (8) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un canal de sortie (19) de la zone de trop-plein (13) est réalisé en se rétrécissant en direction de sa sortie (20).
  8. Dispositif (8) selon l'une quelconque des revendications précédentes, caractérisé en ce que le canal de distribution (12) et la zone de trop-plein (13) sont disposés et couplés quant au flux de manière à ce que le fluide de nettoyage affluant dans le canal de distribution (12) inonde le canal de distribution (12) sur toute sa largeur et en ce qu'une pression d'accumulation se produise automatiquement après le remplissage complet du canal de distribution (12), au moyen de laquelle le fluide de nettoyage est pressé dans la zone de trop-plein (13) et submerge l'élément (4) verticalement vers le bas par l'intermédiaire des sorties (20) dans la zone de trop-plein (13).
  9. Dispositif (8) selon l'une quelconque des revendications précédentes, caractérisé en ce que le canal de distribution (12) est réalisé en se rétrécissant sur son côté tourné vers la zone de trop-plein (13).
  10. Dispositif (8) selon l'une quelconque des revendications précédentes, caractérisé en ce que le canal de distribution (12) et la zone de trop-plein (13) s'étendent sur toute la largeur (b1) de l'élément, notamment d'un filtre à peluches (4).
  11. Dispositif (8) selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une arrivée (10) pour le fluide de nettoyage vers le canal de distribution (12) est réalisée latéralement sur le diffuseur (9) sur une extrémité (11) du canal de distribution (12).
  12. Dispositif (8) selon l'une quelconque des revendications précédentes, caractérisé en ce que le canal de distribution (12) est réalisé en forme de goulotte et est réalisé de manière fermée sur son côté inférieur tourné vers l'élément (4).
  13. Dispositif (8) selon l'une quelconque des revendications précédentes, caractérisé en ce que le diffuseur (9) est réalisé d'une seule pièce avec son canal de distribution (12) et sa zone de trop-plein (13).
  14. Appareil de séchage (1) comprenant au moins un élément (4) pouvant être chargé de peluches et un dispositif (8) destiné à nettoyer l'élément (4) à l'aide de fluide de nettoyage liquide selon la revendication 1.
  15. Appareil de séchage (1) selon la revendication 14, caractérisé en ce que l'élément (4) est un filtre à peluches (4).
EP10779282.2A 2009-11-13 2010-11-05 Dispositif pour nettoyer un élément d'un appareil de séchage et appareil de séchage équipé d'un tel dispositif Active EP2521813B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10779282T PL2521813T3 (pl) 2009-11-13 2010-11-05 Urządzenie do czyszczenia elementu suszarki i suszarka z takim urządzeniem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009046683A DE102009046683A1 (de) 2009-11-13 2009-11-13 Vorrichtung zum Reinigen eines Bauteils eines Trockners, Trockner mit einer derartigen Vorrichtung und Verfahren zum Reinigen eines Bauteils eines Trockners
PCT/EP2010/066853 WO2011057954A2 (fr) 2009-11-13 2010-11-05 Dispositif pour nettoyer un élément d'un appareil de séchage et appareil de séchage équipé d'un tel dispositif

Publications (2)

Publication Number Publication Date
EP2521813A2 EP2521813A2 (fr) 2012-11-14
EP2521813B1 true EP2521813B1 (fr) 2014-06-04

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EP10779282.2A Active EP2521813B1 (fr) 2009-11-13 2010-11-05 Dispositif pour nettoyer un élément d'un appareil de séchage et appareil de séchage équipé d'un tel dispositif

Country Status (5)

Country Link
EP (1) EP2521813B1 (fr)
CN (1) CN102753749B (fr)
DE (1) DE102009046683A1 (fr)
PL (1) PL2521813T3 (fr)
WO (1) WO2011057954A2 (fr)

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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
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CN111074511B (zh) * 2019-11-27 2022-05-10 无锡小天鹅电器有限公司 过滤组件及衣物处理装置

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DE10002743B4 (de) * 2000-01-22 2006-01-12 Whirlpool Corp., Benton Harbor Wärmepumpen-Wäschetrockner mit Reinigungseinrichtung für den Wärmetauscher
JP4495329B2 (ja) * 2000-10-10 2010-07-07 株式会社東京洗染機械製作所 乾燥装置
KR100700793B1 (ko) * 2004-12-10 2007-03-27 엘지전자 주식회사 건조 겸용 세탁기의 린트 필터 어셈블리
KR101186159B1 (ko) * 2006-01-20 2012-10-02 삼성전자주식회사 의류건조기
DE102006061211A1 (de) * 2006-12-22 2008-06-26 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Entfernen von Flusen aus einem Wärmetauscher eines Hausgeräts, sowie entsprechendes Hausgerät
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
JP2008259665A (ja) * 2007-04-12 2008-10-30 Sharp Corp ドラム式洗濯乾燥機
DE102007060854A1 (de) * 2007-12-18 2009-06-25 BSH Bosch und Siemens Hausgeräte GmbH Reinigungsvorrichtung für ein mit Flusen beladenes Bauteil in einem Hausgerät sowie Hausgerät und Verfahren zum Reinigen eines mit Flusen beladenen Bauteils
DE102008055086A1 (de) * 2008-12-22 2010-06-24 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrocknungsgerät und Verfahren zum Reinigen eines Siebs

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PL2521813T3 (pl) 2014-10-31
EP2521813A2 (fr) 2012-11-14
DE102009046683A1 (de) 2011-05-19
CN102753749B (zh) 2015-04-01
WO2011057954A2 (fr) 2011-05-19
WO2011057954A3 (fr) 2012-10-11
CN102753749A (zh) 2012-10-24

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