EP1987190B1 - Sèche-linge ménager comportant un circuit d'air de traitement et un dispositif de nettoyage - Google Patents

Sèche-linge ménager comportant un circuit d'air de traitement et un dispositif de nettoyage Download PDF

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Publication number
EP1987190B1
EP1987190B1 EP07703784A EP07703784A EP1987190B1 EP 1987190 B1 EP1987190 B1 EP 1987190B1 EP 07703784 A EP07703784 A EP 07703784A EP 07703784 A EP07703784 A EP 07703784A EP 1987190 B1 EP1987190 B1 EP 1987190B1
Authority
EP
European Patent Office
Prior art keywords
round brush
laundry drier
drier according
domestic laundry
heat exchanger
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
Application number
EP07703784A
Other languages
German (de)
English (en)
Other versions
EP1987190A1 (fr
Inventor
Klaus Grunert
Roman Goldberg
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
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL07703784T priority Critical patent/PL1987190T3/pl
Publication of EP1987190A1 publication Critical patent/EP1987190A1/fr
Application granted granted Critical
Publication of EP1987190B1 publication Critical patent/EP1987190B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing arrangements

Definitions

  • the invention relates to a household laundry dryer comprising a process air circuit and a cleaning device for a disposed within the process air circuit component, in particular a heat exchanger, with a brush device and a drive mechanism, wherein the brush device for removing deposited lint by means of the drive mechanism along the component to move is.
  • Such a household tumble dryer with cleaning device is already out of the EP 0 468 573 A1 to be known, in which a designed as a working medium evaporator heat exchanger is disposed within a process air circuit of a heat pump tumble dryer.
  • the cleaning device comprises a brush device with a flat brush, which can be reciprocated by means of an electric motor and a crank on the front side of the heat exchanger and forth.
  • a heat exchanger with tubes which are summarized in a flowing through a medium frets, out.
  • a movable round brush is provided, which is guided over the outer surface.
  • nozzles are disposed on a carrier moving over the outer surface, through which a solvent is directed for rinsing dissolved dirt particles on the outer surface.
  • the known cleaning device is the fact that the flat brush from the front of the Heat exchanger forth only over a limited depth can reliably remove the lint from the fins of the heat exchanger.
  • the lint taken up by the bristles and removed from the heat exchanger are relatively easily fixed inside the brush, as a result of which the cleaning result - in particular with longer service lives of the flat brush - is greatly impaired.
  • Object of the present invention is therefore to provide a household laundry dryer of the type mentioned, with which the arranged within the process air flow component can be cleaned to a greater depth and can be better removed in the recorded lint from the brush device.
  • a household laundry drier comprising a process air circuit and a cleaning device for a component arranged within the process air circuit, in particular a heat exchanger, with a brush device and a drive mechanism, wherein the brush device is used to remove deposited lint by means of the drive mechanism along the component is in which household tumble dryer, the brush device comprises at least one round brush and the drive mechanism comprises a rotary drive, wherein the round brush is rotatable about the axis of rotation by means of the rotary drive.
  • the round brush is to be supplied with a cleaning liquid.
  • the brush device comprises at least one round brush, which is rotatable about a rotation axis by means of a rotary drive.
  • the bristles or the like can be moved at a relatively high rotational speed, so that they - in contrast to the bristles of a flat brush - can dive much deeper into the corresponding component.
  • the lint deposited relatively deep within the component is reliably conveyed to the surface and further away from the component, so that overall a significantly better cleaning result can be achieved by a round brush.
  • the rotational movement of the round brush also ensures that the lint removed from the component does not adhere to the bristles or the like and thus remain within the round brush, but rather are transported to the outside due to the fluency when rotating the round brush. As a result, sticking and a lapse of the cleaning effect are avoided.
  • the direction of rotation of the round brush in dependence on the translational movement direction adjustable. This makes it possible to choose the direction of rotation of the bristles - depending on the translational movement of the round brush - so that the lint be transported from the interior of the component or the heat exchanger to the outside. It is also advantageous if the bristles or the like of the round brush can dip into the working medium evaporator at least as far as working fluid pipes. Experience has shown that in the area of the working medium pipes, a particularly large amount of condensate of the moist, warm process air is deposited, as a result of which large quantities of lint are deposited on the working medium pipes.
  • the cleaning cycles of the cleaning device can be determined in a simple manner by measuring a specific pressure loss via a pressure sensor within the process air circuit. Such a pressure loss occurs when a certain amount of lint has deposited on the component through which the process air flows.
  • the round brush can be cleaned in a particularly reliable manner of lint or the like dirt when a comb is provided, through which the bristles or the like of the rotating round brush are pulled through.
  • a particularly good removal of the lint can be achieved if, in addition, the component is rinsed with a cleaning liquid.
  • the already existing condensate of the working medium evaporator or the condensation device is used.
  • Fig. 1 is a section of a circulating air dryer household laundry dryer and cut a channel 10 of a process air circuit recognizable, the flow direction is shown by the arrow 12.
  • a heat exchanger arrangement 14 can be seen, which in the present exemplary embodiment comprises a working medium evaporator 16 and a working medium condenser or condenser 18.
  • a lint filter 20 is arranged in the flow direction of the process air circuit in front of the heat exchanger assembly 14.
  • a lint filter 20 is arranged in the flow direction of the process air circuit in front of the heat exchanger assembly 14.
  • a lint filter 20 is arranged in the flow direction of the process air circuit in front of the heat exchanger assembly 14.
  • a lint filter 20 is arranged.
  • a large part of the lint or the like dirt particles can be deposited, which are transported via the humid in this area, led out of the laundry drum of the household laundry drier not shown process air.
  • the separated fluff are to
  • the moist moist process air in the region of the lint filter 20 is dehumidified by means of the working medium evaporator 16, it being possible for the resulting condensate to be pumped out via an outlet opening 22 and an outlet line 24 by means of a pump (not shown).
  • a receiving tray 26 is arranged, via which lint or the like dirt particles are collected.
  • the receiving tray 26 is accordingly to be manually emptied from time to time.
  • the downstream of the working medium evaporator 16 cool and dry air is then reheated by the Hästoffverhneiger 18 again to be able to direct the process air flow by means of a blower not shown again in the laundry drum can.
  • a cleaning device with a brush device 28 is disposed within the process air circuit, which serves to remove lint or the like dirt that have come despite the lint filter 20 to the working medium evaporator 16 and deposited there.
  • the brushes 28 arranged upstream of the working medium evaporator 16 will be seen to comprise a round brush 30 as an essential element.
  • This round brush 30 is rotatably driven about a rotation axis R and includes a plurality of bristles, small lobes or the like.
  • the round brush 30 is to be moved completely along an end face 34 of the working medium evaporator 16 by means of a drive mechanism 32.
  • bulges 36 (within the channel 10 of the process air circuit) 36 in which the round brush 30 can dip.
  • the round brush 30 can be moved so far outward that the end face 34 of the working medium evaporator 16 is cleaned equally well at each point.
  • the round brush 28 is thereby by means of a guide device 38 of the drive mechanism 32nd moved in a translational movement along the end face 34 of the working medium evaporator 16.
  • the drive mechanism 32 includes a further in particular in conjunction with Fig. 3 recognizable rack drive 40 with a rack 42 along which the round brush 32 is moved translationally.
  • Fig. 3 in which in a schematic side view the front side immersed in the working medium evaporator 16 round brush 30 can be seen, it is also apparent that the bristles, cloths or the like can dip at least up to working fluid tubes 44 in the working medium evaporator 16. About it are out Fig. 3 In particular, a plurality of slats 46 running parallel to one another can be seen, which are to be cleaned from the end face 34 by means of the round brush 30. It is clear that due to deformation of the bristles, the round brush 30 can also dip deeper into the working medium evaporator 16 beyond the working medium pipes 44.
  • a motor 48 is provided with a countershaft, which forms the rotary drive of the round brush 30.
  • a koachsial to the rotation axis R arranged gear 52 is driven, which cooperates with the rack 42 of the rack drive 40.
  • both the round brush 30 and the drive mechanism 32 with the rack drive 40 are to be driven via the motor 48 with the countershaft 50.
  • the toothed rack 42 with which the toothed wheel 52 meshes, extends within a guide device 38 (FIG. Fig. 2b ) extending receiving bar 54 is arranged.
  • the rotation axis R can pass through a wall 56 of the channel 10, a slot is provided within this, which is to be closed by means of a seal 58.
  • the seal 58 ensures that the rack drive 40 can not be affected by lint.
  • the cleaning device comprises a in Fig. 3 recognizable comb 60, with the round brush 30 can be cleaned of lint or the like dirt.
  • the comb 60 engages the round brush 30 as soon as it reaches an end positions within the bulges 36.
  • the fins 46 of the working medium evaporator 16 and / or the round brush 30 with the by the working medium evaporator 16 sprayed condensate.
  • a spray device not shown, which is supplied in the region of the outlet line 24 with condensate.
  • a different cleaning liquid instead of the condensate.
  • the condensate serves both to dissolve and to transport the lint away from the fins 46, and on the other hand to remove the lint from the round brush 30.
  • the lint removed via the brush device 28 and the round brush 30 of the working fluid evaporator 16 or the like dirt can then be pumped with the condensate through the outlet opening 22 and the outlet 24.
  • the resulting lint are in turn deposited within the receiving tray 26.
  • the round brush 30 is preferably operated in a direction of rotation represented by the arrow 62, in which the bristles engaged with the slats 46 are moved in the same direction as the round brush 30 itself. If the translational movement direction is changed accordingly, contrary to the arrow 64 , so depending on the direction of rotation of the round brush 30 is set in the opposite direction.
  • the cleaning process is preferably automatically initiated either towards the end of each drying process of the household tumble dryer, after a certain number of drying operations or as a function of a certain pressure loss of the process air cycle.
  • a sensor 66 ( Fig. 1 ) is provided, with which a conditional by the deposition of lint pressure loss within the channel 10 can be measured.
  • FIG. 4a shows a schematic plan view or a schematic side view of the channel 10 of the process air circuit, in which, however, a heat exchanger designed as a condensation device 66 is alternatively provided.
  • the channel 10 is shown cut open both in the plan view and in the side view.
  • the condensation device 66 comprises a plurality of heat exchanger plates 68, through which the moist-warm process air reaching from the laundry drum of the domestic laundry drier flows through the lint filter 20 and can cool and condense for drying.
  • a plurality of parallel and in the flow direction extending slats 72 are arranged, which project beyond the heat exchanger plates 68 towards the front and extend to the rear by a small longitudinal displacement up into the heat exchanger plates 68.
  • the bristles or the like of the round brush 30 can dive into the condenser 66 at least up to the rear end of the fins 72, so as to achieve a uniform cleaning over the entire depth of the fins 72.
  • the lamellae 72 are to be cooled via the condensation device 66.
  • condensate also forms in the region of the lamellae 72, so that the lint on it can be easily removed.
  • the round brush 30 can dip so far into the condensation device 66 that the heat exchanger plates 68 are also cleaned.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Claims (17)

  1. Sèche-linge ménager comportant un circuit d'air de processus et un dispositif de nettoyage (28, 30, 32) pour un composant (16, 66) disposé dans le circuit d'air de processus, en particulier un échangeur de chaleur (16, 66), avec un dispositif à brosse (28) et une mécanique d'actionnement (32), dans lequel le dispositif à brosse (28) se déplace le long du composant (16, 66) au moyen de la mécanique d'actionnement (32) afin de retirer les dépôts de peluches, caractérisé en ce que le dispositif à brosse (28) comprend au moins une brosse ronde (30) et la mécanique d'actionnement (32) un actionnement rotatif, dans lequel la brosse ronde (30) est mobile autour d'un axe de rotation (R) au moyen de l'actionnement rotatif, et en ce que la brosse ronde (30) doit être alimentée en liquide de nettoyage.
  2. Sèche-linge ménager selon la revendication 1, caractérisé en ce que le composant (16, 66) est un échangeur de chaleur exécuté sous la forme d'un évaporateur de fluide de travail (16).
  3. Sèche-linge ménager selon la revendication 1, caractérisé en ce que le composant (16, 66) est un échangeur de chaleur exécuté sous la forme d'un dispositif de condensation (66).
  4. Sèche-linge ménager selon l'une des revendications précédentes, caractérisé en ce que la brosse ronde (30) doit être déplacée au moyen de la mécanique d'actionnement (32) au moins approximativement intégralement le long d'une face frontale (34) du composant (16, 66).
  5. Sèche-linge ménager selon l'une des revendications précédentes, caractérisé en ce que des évasements (36) dans lesquels la brosse ronde (30) peut plonger sont prévus au sein d'un canal (10) du circuit d'air de processus.
  6. Sèche-linge ménager selon l'une des revendications précédentes, caractérisé en ce que le dispositif à brosse (28) est disposé avant le composant (16, 66) dans le sens d'écoulement du circuit d'air de processus.
  7. Sèche-linge ménager selon l'une des revendications précédentes, caractérisé en ce que la mécanique d'actionnement (32) englobe un dispositif de guidage (38) au moyen duquel la brosse ronde (30) doit être déplacée selon un mouvement translatoire.
  8. Sèche-linge ménager selon la revendication 7, caractérisé en ce que la mécanique d'actionnement (32) englobe une commande par crémaillère (40) le long de laquelle la brosse ronde (30) doit être déplacée selon un mouvement translatoire.
  9. Sèche-linge ménager selon l'une des revendications 7 et 8, caractérisé en ce que le sens de rotation de la brosse ronde (30) est réglable en fonction de son sens de déplacement translatoire.
  10. Sèche-linge ménager selon la revendication 2, caractérisé en ce que l'évaporateur de fluide de travail (16) englobe des tuyaux de fluide de travail (44) et en ce que des poils ou semblables de la brosse ronde (30) plongent dans l'évaporateur de fluide de travail (16) au moins jusqu'aux tuyaux de fluide de travail (44).
  11. Sèche-linge ménager selon l'une des revendications précédentes, caractérisé en ce qu'un moteur (48) avec réducteur de vitesse (50) via lequel la brosse ronde (30) est à la fois actionnable de manière rotative et déplaçable de façon translatoire est prévu dans la mécanique d'actionnement (32).
  12. Sèche-linge ménager selon l'une des revendications précédentes, caractérisé en ce qu'un capteur de pression (67) dirigé vers le dispositif de nettoyage est disposé à l'intérieur du circuit d'air de processus.
  13. Sèche-linge ménager selon l'une des revendications précédentes, caractérisé en ce qu'un peigne (60) servant à nettoyer la brosse ronde (30) de peluches ou autres est prévu dans le dispositif de nettoyage.
  14. Sèche-linge ménager selon l'une des revendications précédentes, caractérisé en ce que le composant (16, 66) doit en outre être alimenté en liquide de nettoyage.
  15. Sèche-linge ménager selon les revendications 2 et 14, caractérisé en ce que le condensat de l'évaporateur de fluide de travail (16) peut être utilisé comme liquide de nettoyage.
  16. Sèche-linge ménager selon l'une des revendications 2 et 3, caractérisé en ce que l'échangeur de chaleur englobe une pluralité de lamelles (72), dans lequel les poils ou semblables de la brosse ronde (30) plongent dans l'échangeur de chaleur au moins jusqu'à une extrémité arrière des lamelles (72).
  17. Sèche-linge ménager selon la revendication 16, caractérisé en ce que les lamelles (72) doivent être refroidies via l'échangeur de chaleur.
EP07703784A 2006-02-17 2007-01-11 Sèche-linge ménager comportant un circuit d'air de traitement et un dispositif de nettoyage Not-in-force EP1987190B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07703784T PL1987190T3 (pl) 2006-02-17 2007-01-11 Domowa suszarka do bielizny zawierająca obwód obiegu powietrza procesowego i urządzenie do czyszczenia

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006007420A DE102006007420A1 (de) 2006-02-17 2006-02-17 Reinigungsvorrichtung für ein Bauteil innerhalb eines Prozess-luft-Kreislaufes eines Haushaltswäschetrockners
PCT/EP2007/050239 WO2007093468A1 (fr) 2006-02-17 2007-01-11 Dispositif de nettoyage destiné à un composant à l'intérieur d'un circuit d'air de traitement d'un sèche-linge ménager

Publications (2)

Publication Number Publication Date
EP1987190A1 EP1987190A1 (fr) 2008-11-05
EP1987190B1 true EP1987190B1 (fr) 2013-03-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07703784A Not-in-force EP1987190B1 (fr) 2006-02-17 2007-01-11 Sèche-linge ménager comportant un circuit d'air de traitement et un dispositif de nettoyage

Country Status (5)

Country Link
US (1) US8266815B2 (fr)
EP (1) EP1987190B1 (fr)
DE (1) DE102006007420A1 (fr)
PL (1) PL1987190T3 (fr)
WO (1) WO2007093468A1 (fr)

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US11142864B2 (en) 2017-02-27 2021-10-12 Whirlpool Corporation Heat exchanger filter for self lint cleaning system in dryer appliance
US12171326B2 (en) 2019-03-27 2024-12-24 Samsung Electronics Co., Ltd. Clothes dryer

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DE3738031C2 (de) * 1987-11-09 1995-10-12 Bosch Siemens Hausgeraete Verfahren und Vorrichtung zum Entfernen von Flusen aus einem als Wärmetauscher ausgebildeten Kondenswasser-Abscheider
IT1238889B (it) * 1990-03-08 1993-09-04 Anese Remo Dall Dispositivo per la pulizia del condensatore di apparecchio o impianto frigorifero o di condizionamento.
IT1243685B (it) 1990-07-24 1994-06-21 Eurodomestici Ind Riunite Dispositivo per la pulizia di un evaporatore, previsto in una macchina asciugabiancheria o similare,da elementi disataccantisi da indumenti o similari presenti nel cestello di tale macchina
JPH07136396A (ja) * 1993-11-19 1995-05-30 Toshiba Corp 衣類乾燥機
DE4403183C2 (de) 1994-02-02 2000-11-02 Bsh Bosch Siemens Hausgeraete Haushalt-Wäschetrockner
DE9413742U1 (de) 1994-08-25 1994-11-10 Jensen Ag Burgdorf, Burgdorf Flusenfilter in einer Anlage zum Behandeln von Kleidungsstücken
US6041612A (en) * 1998-09-18 2000-03-28 Stringer; Steven C. Refrigeration coil brush and method
DE10002743B4 (de) * 2000-01-22 2006-01-12 Whirlpool Corp., Benton Harbor Wärmepumpen-Wäschetrockner mit Reinigungseinrichtung für den Wärmetauscher
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11142864B2 (en) 2017-02-27 2021-10-12 Whirlpool Corporation Heat exchanger filter for self lint cleaning system in dryer appliance
US12171326B2 (en) 2019-03-27 2024-12-24 Samsung Electronics Co., Ltd. Clothes dryer

Also Published As

Publication number Publication date
EP1987190A1 (fr) 2008-11-05
PL1987190T3 (pl) 2013-08-30
US8266815B2 (en) 2012-09-18
WO2007093468A1 (fr) 2007-08-23
US20090031513A1 (en) 2009-02-05
DE102006007420A1 (de) 2007-08-30

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