EP2199454B1 - Appareil ménager doté d'un canal d'aération ouvert - Google Patents

Appareil ménager doté d'un canal d'aération ouvert Download PDF

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Publication number
EP2199454B1
EP2199454B1 EP09178200.3A EP09178200A EP2199454B1 EP 2199454 B1 EP2199454 B1 EP 2199454B1 EP 09178200 A EP09178200 A EP 09178200A EP 2199454 B1 EP2199454 B1 EP 2199454B1
Authority
EP
European Patent Office
Prior art keywords
flow cross
section
domestic appliance
air
air duct
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
EP09178200.3A
Other languages
German (de)
English (en)
Other versions
EP2199454A3 (fr
EP2199454A2 (fr
Inventor
Rainer Ediger
Thomas Nawrot
Werner Nühse
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 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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2199454A2 publication Critical patent/EP2199454A2/fr
Publication of EP2199454A3 publication Critical patent/EP2199454A3/fr
Application granted granted Critical
Publication of EP2199454B1 publication Critical patent/EP2199454B1/fr
Active 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 

Definitions

  • the invention relates to a domestic appliance with an open air duct, wherein in the air duct a flow cross-section adjusting device for adjusting a flow cross-section of the air channel is arranged and the flow cross-section adjusting device for noise insulation has rotatably mounted lamellae.
  • Household appliances for example clothes dryers, which have a housing opening through which air is sucked into the interior thereof from outside the household appliance, are generally known.
  • a mounted on a corresponding housing opening air duct sucked air is passed as cooling air to at least one component to be cooled.
  • noise-generating components such as motors and compressors within the domestic appliance is that noise generated by these components penetrate through the ventilation opening between the slats to the outside in the area outside of the household appliance.
  • EP 1 813 712 A1 relates to a dryer with a drum with a drum for receiving a material to be treated, a process air duct in which a heater for heating a process air flow is and the heated process air stream can be guided by a first blower to the estate.
  • a controllable first throttle for reducing the speed of the process air flow is attached to the temperature setting in the process air duct.
  • EP 1 813 712 A1 also relates to a method of treating a material in such a dryer, wherein the first restrictor is controlled to achieve a process air temperature of at least 80 ° C.
  • the process air duct and an open cooling air duct can intersect in a condenser, wherein cooling air can be introduced from the room air into the cooling air duct by means of a second blower and led out after flowing through the condenser, and wherein in the cooling air duct a controllable second throttle for reducing the speed of the Cooling air flow is located.
  • the second throttle may be disposed between a cooling air inlet and the second fan, between the second fan and the condenser, or between the condenser and a cooling air outlet.
  • DE 10 2007 013 997 A1 relates to a condensation dryer with a drying chamber for objects to be dried, a process air circuit, which is associated with a heater for heating the process air, with a first blower, with which the heated process air on the objects to be dried is feasible, and a heat pump cycle with an evaporator, a compressor and a condenser.
  • a second fan and a through-flow of the process air air-air heat exchanger are provided, by means of which blower, a cooling air flow for the air-air heat exchanger and the compressor can be generated.
  • the drying chamber is mounted on at least one roller and another, designed for cooling the compressor blower coupled to the drive with the roller.
  • DE 10 2007 013 997 A1 further relates to a method of operating such a condensation dryer.
  • the compressor facing the opening of the intake can be opened and closed for temperature control via a controllable flap.
  • the air duct and the flow cross-section adjustment are arranged in a cooling air Zustrom Scheme from the outside through an air intake to a heat exchanger or a compressor of the domestic appliance, and that the domestic appliance at least one fan arranged in the air duct for moving air, in particular cooling air, to the heat exchanger or to the compressor through the air duct having.
  • the air duct may have a basically arbitrary and also in its course changing cross-sectional shape.
  • a cross section which can be minimized for cooling, a passage of sound waves through the flow cross-section adjusting device is made more difficult, so that a noise emanating from the domestic appliance can be reduced. It is therefore an embodiment that the flow cross-section is adjustable to a minimized or minimum for a given or required cooling capacity flow cross-section.
  • the arrangement of the flow cross-section adjusting device can in principle be provided at any point in the air duct, that is, starting from basically a configuration of the housing opening partially aussch widerbar ausgestaltenden front side element as well as to a position at the opposite outlet end of the air duct.
  • the air duct and the flow cross-section adjusting device are arranged according to the invention in a cooling air inflow region to a component of the household appliance to be cooled.
  • a heat exchanger or a compressor are heat-generating and noise-intensive components of a drying device, such as a tumble dryer or washer-dryer, which cooling air can be supplied.
  • the flow cross-section adjusting device has lamellae, wherein the lamellae are rotatably mounted in the air duct for noise insulation, in particular with different angles are mounted rotatably transversely to the cross section of the air channel.
  • the lamellae allow in comparison to other closure elements a particularly high noise insulation and a low sound level fluctuation.
  • an arrangement of lamellae which are arranged pivotably about their longitudinal axis or an axis parallel to the longitudinal axis.
  • Particularly preferred is an adjustability of an angular position with aligned parallel to the air flow slats until complete closure of the air duct by the transverse thereto or almost transversely thereto lamellae.
  • a pivoting of the slats by means of fin bearings z As well as a shift of the slats in suitable sliding guides possible.
  • Particularly preferred is a use in a heat pump dryer.
  • the home appliance can to ensure sufficient cooling air supply at least one fan for moving the cooling air to the components to be cooled, for. B. the heat exchanger or to the compressor, through the air duct.
  • at least one fan can be arranged upstream and / or downstream of the flow cross-section adjusting device.
  • this can be made adjustable by means of a flow velocity of the air.
  • a flow velocity of the air for this purpose, in particular light and by the cooling air velocity defined angled slats can be used.
  • the flow cross-section adjustment device may have an adjusting device for adjusting the flow cross-section, for. B. driven by an electric motor.
  • the electric motor may in particular be connected to a central control device of the domestic appliance for its actuation.
  • the flow cross-section adjustment device may comprise at least one component made of a sound-insulating material.
  • the lamellae may comprise a sound-absorbing material, for. B. be made of a sound-absorbing material or be occupied.
  • the domestic appliance can be configured, for example, as a laundry treatment appliance, such as a tumble dryer, washer-dryer or washing machine.
  • the home appliance is not limited to this and can z. B. be designed as a refrigerator.
  • FIG. 1 shows individual components of a domestic appliance 1.
  • the exemplary domestic appliance 1 is a tumble dryer with a surrounding housing 2, which has a laundry drum 4 for receiving laundry 5 to be dried.
  • an air intake opening 9 is formed in order to be able to supply a compressor 6 of a heat pump with cooling air L.
  • the air intake opening 9 is provided with a protective grid 16 for optical reasons and for safety reasons.
  • An air duct 8 leads from the air intake opening 9 to a compressor to be cooled 6 a heat pump.
  • a fan 13 which is arranged in the air duct 8 in front of the compressor 6.
  • a flow cross-section adjustment device 10 is arranged to prevent noise generated by the compressor 6 from leaking to the outside.
  • the illustrated flow cross-section adjustment device 10 has a multiplicity of parallel lamellae 11.
  • the lamellae 11 are arranged via lamella bearing 12 about its longitudinal axis or an axis parallel to its longitudinal axis pivotable in the air channel 8.
  • An extension of the slats 11 is chosen so that these in an in FIG. 1 illustrated closed state preferably close the entire flow cross-section of the air channel 8.
  • the fins 11 form a barrier or noise wall for noise, which otherwise penetrate from the interior of the domestic appliance 1 through the air channel 8.
  • the slats 11 on a sound absorbing material.
  • FIG. 2 shows opposite FIG. 1 an operating position of the fins 11, in which the cooling air L is sucked with a strong flow of air through the air duct 8.
  • the lamellae 11 are pivoted about the lamella bearings 12.
  • the adjustment angle of the slats 11 in accordance FIG. 2 preferably between a fully closed position of the fins 11 according to FIG. 1 and a parallel or nearly parallel position of the fins 11 to the air flow direction variably adjustable.
  • the lamellae are aligned with their longitudinal extent and areal extent parallel to the strong air flow or parallel to the walls of the air channel 8.
  • the lamellae 11 are supported by means of the lamella bearings 12 and formed of a lightweight material that the slats 11 alone be adjusted by means of the speed of the air flow of the process air L in a necessary adjustment to allow sufficient air flow.
  • the force for adjusting the slats 11 thus comes indirectly from the blower 13, which automatically opens the slats 11 with increasingly strong suction and thus increased air flow.
  • the fan 13 is located downstream of the fins 11, in other words, the fins 11 are located in a suction region of the blower 13. This self-adjusting arrangement is particularly simple and inexpensive to implement.
  • FIG. 4 show an exemplary alternative embodiment in which the individual opposite 1 and 2 various components all or partially combined in other embodiments can be implemented.
  • FIG. 3 again shows a closed or nearly closed state of the fins 11, while FIG. 4 again shows an open or nearly open state of the fins 11.
  • a lifting linkage 17 For opening or closing or partially closing the slats 11 is now an adjusting device 15, which by means of mechanical means, for. B. a lifting linkage 17, the individual slats 11 adjusted.
  • the mechanical means 17 can be controlled via an electromotive or electromagnetic drive 18 directly from a central control device of the domestic appliance 1.
  • a mechanical coupling to other components such as a drive of the compressor 6 to be able to control the variable position of the slats 11 directly as a function of a control of the compressor 6 via mechanical adjusting elements.
  • To generate the air flow of the cooling air L is a second fan 14, which is arranged in the air channel 8 between the air intake opening 9 and the fins 11 of the flow cross-section adjustment device 10. The fan 14 is thus upstream with respect to the fins 11, in other words, the fins 11 are located in a blow-out region of the blower 14.
  • the present invention is not limited to the embodiment shown.
  • the air duct fan 14 according to FIG. 3 in addition to a blower 13 of a compressor 6 according to FIG. 1 to be ordered.
  • an adjusting device according to FIG. 3 be arranged.
  • the arrangement of the lamellae 11 or adjusting elements of the flow cross-section adjusting device is provided centrally in the air duct 8 in the illustrated embodiments.
  • the fins 11 or other suitable closing elements can also be arranged at a different position of the air duct.
  • even an arrangement at the outer ends of the air duct 8 is possible, wherein the lamellae 11 are ultimately even used instead of a protective grid of the housing opening. In this sense, the air duct is even reduced to a level that corresponds to a frame for receiving such slats.
  • the invention is not limited to a compressor as the component to be cooled.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air-Flow Control Members (AREA)
  • Duct Arrangements (AREA)

Claims (10)

  1. Appareil ménager (1) doté d'un canal d'air (8) ouvert, un dispositif de réglage (10) servant à régler une section d'écoulement du canal d'air (8) étant monté dans le canal d'air (8) et le dispositif de réglage (10) de la section d'écoulement présentant des lamelles (11) montées à rotation pour une isolation phonique, et l'appareil ménager (1) étant doté d'au moins un ventilateur (13, 14) monté dans le canal d'air (8) et servant à déplacer l'air, en particulier l'air de refroidissement (L), à travers le canal d'air (8) vers un échangeur de chaleur ou vers un compresseur (6),
    caractérisé en ce que
    le canal d'air (8) et le dispositif de réglage (10) de la section d'écoulement sont montés dans une zone d'amenée d'air de refroidissement de l'extérieur à travers un orifice d'aspiration d'air (9) vers l'échangeur de chaleur ou le compresseur (6) de l'appareil ménager.
  2. Appareil ménager (1) selon la revendication 1, caractérisé en ce qu'un ventilateur (13) est monté en amont du dispositif de réglage (10) de la section d'écoulement.
  3. Appareil ménager (1) selon la revendication 1 ou 2, caractérisé en ce qu'un ventilateur (14) est monté en aval du dispositif de réglage (10) de la section d'écoulement.
  4. Appareil ménager (1) selon l'une des revendications précédentes, caractérisé en ce qu'une section d'écoulement du dispositif de réglage (10) de la section d'écoulement est réalisée de manière à pouvoir être réglée au moyen d'une vitesse d'écoulement de l'air (L).
  5. Appareil ménager (1) selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif de réglage (10) de la section d'écoulement comprend un dispositif d'actionnement (15) servant à régler la section d'écoulement pour l'isolation phonique.
  6. Appareil ménager (1) selon l'une des revendications précédentes, caractérisé en ce que la section d'écoulement est réglable sur une section d'écoulement pouvant être minimisée pour une puissance de refroidissement prédéfinie.
  7. Appareil ménager (1) selon l'une des revendications précédentes, caractérisé en ce que le dispositif de réglage (10) de la section d'écoulement comporte au moins un composant comprenant un matériau d'isolation phonique.
  8. Appareil ménager (1) selon l'une des revendications précédentes, caractérisé en ce que les lamelles comprennent un matériau d'isolation phonique.
  9. Appareil ménager (1) selon l'une des revendications précédentes, caractérisé en ce qu'il est réalisé comme sèche-linge, lave-linge séchant ou lave-linge.
  10. Appareil ménager (1) selon la revendication 9, caractérisé en ce qu'il comprend une pompe à chaleur (6), et le dispositif de réglage (10) de la section d'écoulement est monté dans un canal d'air (8) ouvert allant vers et/ou venant de la pompe à chaleur (6).
EP09178200.3A 2008-12-22 2009-12-07 Appareil ménager doté d'un canal d'aération ouvert Active EP2199454B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008055088A DE102008055088A1 (de) 2008-12-22 2008-12-22 Haushaltsgerät mit einem offenen Luftkanal

Publications (3)

Publication Number Publication Date
EP2199454A2 EP2199454A2 (fr) 2010-06-23
EP2199454A3 EP2199454A3 (fr) 2015-04-29
EP2199454B1 true EP2199454B1 (fr) 2017-12-06

Family

ID=42061462

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09178200.3A Active EP2199454B1 (fr) 2008-12-22 2009-12-07 Appareil ménager doté d'un canal d'aération ouvert

Country Status (3)

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US (1) US8667702B2 (fr)
EP (1) EP2199454B1 (fr)
DE (1) DE102008055088A1 (fr)

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CN103369914A (zh) * 2012-03-29 2013-10-23 鸿富锦精密工业（深圳）有限公司 阻风器及具有该阻风器的电子产品
DE102012208621A1 (de) 2012-05-23 2013-12-12 BSH Bosch und Siemens Hausgeräte GmbH Abdeckgitter für eine Ein- oder Austrittsöffnung eines von einem gasförmigen Medium durchströmten Kanals
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EP2978889A1 (fr) * 2013-03-26 2016-02-03 Arçelik Anonim Sirketi Sèche-linge à pompe à chaleur avec structure d'atténuation du bruit
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DE102016200308A1 (de) 2016-01-13 2017-07-13 BSH Hausgeräte GmbH Haushaltsgerät mit Drosselung einer Lüftereinheit
KR102653163B1 (ko) * 2016-12-09 2024-04-01 엘지전자 주식회사 의류 건조기
EP3775354A1 (fr) * 2018-04-02 2021-02-17 Arçelik Anonim Sirketi Lave-linge avec pompe à chaleur
EP3813625A1 (fr) * 2018-06-26 2021-05-05 Arçelik Anonim Sirketi Lave-vaisselle à pompe à chaleur

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Also Published As

Publication number Publication date
EP2199454A3 (fr) 2015-04-29
US20100155039A1 (en) 2010-06-24
EP2199454A2 (fr) 2010-06-23
US8667702B2 (en) 2014-03-11
DE102008055088A1 (de) 2010-06-24

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