EP2801654B1 - Laundry dryer with drum which is mounted so as to be rotatable in a housing - Google Patents

Laundry dryer with drum which is mounted so as to be rotatable in a housing Download PDF

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Publication number
EP2801654B1
EP2801654B1 EP14167316.0A EP14167316A EP2801654B1 EP 2801654 B1 EP2801654 B1 EP 2801654B1 EP 14167316 A EP14167316 A EP 14167316A EP 2801654 B1 EP2801654 B1 EP 2801654B1
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EP
European Patent Office
Prior art keywords
shaft
cooling fan
housing
compressor
tumble dryer
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Application number
EP14167316.0A
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German (de)
French (fr)
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EP2801654A1 (en
Inventor
Rainer Drösler
Udo Birkenhauer
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Miele und Cie KG
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Miele und Cie KG
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Publication of EP2801654A1 publication Critical patent/EP2801654A1/en
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    • 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 
    • 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 
    • D06F58/206—Heat pump arrangements

Definitions

  • the invention relates to a tumble dryer with a rotatably mounted in a housing drum, which comprises a bottom module in its basic design, wherein the drum heated process air is supplied, and wherein the tumble dryer is equipped with a arranged in the bottom module heat pump device, the refrigerant in the circuit via a Evaporator, a compressor, a condenser and a throttle device is circulated, wherein the process air is passed over the condenser for heating, wherein for cooling the compressor and / or the refrigerant, a cooling fan is provided, wherein the bottom module has a shaft as an assembly with the heat pump unit, in which the cooling fan can be used for the enclosed on the bottom module compressor.
  • Such a tumble dryer is from the EP 2 573 253 A1 known.
  • the shaft for accommodating the cooling air blower is formed with a receptacle for the cooling air blower which opens to the front of the floor module.
  • a condensation clothes dryer with a closed loop process is known.
  • drying air is supplied via an air inlet of a drying chamber by means of a process air blower, wherein this air is discharged through an air outlet again.
  • the process air is dehumidified in a heat exchanger and then reheated by a heater.
  • the provision of the dry air takes place here with a heat pump device which is equipped with a refrigerant circuit in which the refrigerant circulates in a line system with an evaporator, a compressor and a condenser and a throttle device and the heat exchanger the evaporator and the heater the condenser of the heat pump contains.
  • the invention thus raises the problem of developing a clothes dryer of the type described with a heat pump device arranged in the floor module in which the installation of the cooling fan for the compressor or the compressor is substantially simplified, and also disassembly of the cooling fan for the case of the defect quickly and should be made easily.
  • the advantages achieved with the invention consist in the fact that due to the attachment of a shaft in the floor module area, the cooling fan can be easily inserted into the shaft as a drawer. As a result of the self-mounting, the cooling fan centered in the shaft itself and is therefore always used exactly for the air transport. Also, there is now the possibility, since the shaft is open to the side, that in case of errors, the cooling fan can be easily and easily replaced again, in which the side wall is removed from the housing, so that then the shaft opening is free, then the cooling fan to pull out of the shaft.
  • the floor module has, as an assembly with the heat pump unit, a shaft in which the cooling fan can be inserted for the compressor enclosed on the floor module and that the shaft at the floor module has a lateral opening aligned with the floor module side for mounting or for Disassembly of the cooling fan.
  • the shaft has a substantially box shape with open side walls for the passage of the cooling air flow. In this case, the cooling air is sucked from the outside and in particular from the front side of the tumble dryer, and blown into the floor module where the compressor or compressor is installed. Thus, the cooled air flows around the compressor or the compressor, so that it is cooled.
  • the cooling fan also has a box-shaped housing which can be inserted in the shaft in positive engagement.
  • resilient elements are arranged in the wall region of the shaft for backlash-free Holding the cooling fan in the inserted state.
  • the resilient elements may be formed out of the plastic wall, that is to say out of the wall region of the shaft, and in this case form the positive centering of the housing in the shaft.
  • in the opening region of the shaft against self-slipping snap-locking snap hook is arranged, which engages behind the cooling fan housing in the inserted state. This ensures that an automatic release of the cooling housing is prevented.
  • a molding is integrally formed or attached to the cooling fan housing on at least one wall, which corresponds to a correct insertion of the cooling fan housing into the shaft with a corresponding recess on one of the shaft walls. Due to this design it is achieved that during assembly, when the worker must align the box-shaped housing of the cooling fan, he can not make a misuse, since it is only possible, in particular, when the molding is correctly aligned and with the recess in the Insert corresponds. As a result, incorrect assemblies are prevented, which later would have to be corrected again.
  • a holder for an electrical connection of the cooling fan is provided on the upper shaft wall. So if the cooling fan is integrated in the shaft, so it only needs the plug with the electrical line to be clipped to the holder, so that then the electrical connection is made.
  • FIG. 1 shows in the perspective view of a dryer 1 with a rotatably mounted in a housing 2 drum 3, which includes a base module 4 in its basic design, as in particular in the FIG. 2 is shown.
  • the heated air is supplied to the drum 3, wherein the tumble dryer 1 is equipped with a arranged in the bottom module 4 heat pump device, which is not shown in detail in the illustrations.
  • the heat pump device comprises a refrigerant, which is circulated through an evaporator, a compressor, a condenser and a throttle device.
  • a cooling fan 5 is provided for cooling in particular of the compressor and / or the refrigerant, as in particular in the FIG. 3 . 4 and 8th can be seen.
  • the floor module 4 as a module with the heat pump unit on a shaft 6, as this example, in the FIG. 2 and 3 can be seen.
  • the cooling fan 5 can be used for the enclosed on the bottom module 4 compressor, as shown in the FIGS. 3 to 10 is shown in more detail.
  • the shaft 6 at the bottom module 4 has a lateral opening 7 for mounting or dismounting the cooling fan 5.
  • the shaft 6 in this case essentially has a box shape with the side walls 8 and 9 open Passing the cooling stream, as this closer in the FIG. 2 and 3 can be seen. It goes without saying that with correct installation of the cooling fan 5 in the shaft 6, the air is sucked in via the front wall and here via a sieve 10, in which case through the two open side walls 8 and 9, the air into the interior of the floor module 4th flows where the cooling air flows around the built-in compressor or compressor.
  • the cooling fan 5 is formed from a box-shaped housing 11 which is inserted in the shaft 6 in positive engagement.
  • 6 resilient elements 12 are arranged for play-free mounting of the cooling fan 5 in the inserted state in the wall region of the shaft. It goes without saying that if the box-shaped Housing 11 of the cooling fan 5 is inserted, the resilient elements 12 provide a centering of the housing 11 in the shaft 6. In this case, the resilient elements 12 are formed out of the plastic wall.
  • a snap hook 13 which prevents the vehicle from slipping out, is arranged, which engages behind the housing 11 of the cooling fan 5 in the inserted state. If the snap hook 13 is unlocked, so there is a simple way disassembly of the cooling fan by this can be easily pulled out of the shaft 6.
  • a molding 14 or a rivet is formed or attached to the housing 11 of the cooling fan 5 at least one wall, as shown in the FIGS. 9 and 10 will be shown.
  • This molded part 14 corresponds to a correct insertion of the cooling fan housing 11 in the shaft 6 with a corresponding recess 15 on one of the shaft walls.
  • this molding 14 acts as a kind of key, so that due to this training always a correct insertion takes place, with an incorrect insertion of the housing 11 to the shaft 6 insertion is prevented because the parts are not in the correspondence position.
  • a holder 17 for an electrical connection 18 of the cooling fan 5 is provided.
  • the terminal can be clipped to the bracket 17 on the upper wall of the shaft 6, so that the electrical connection 18 is given to the cooling fan 5 ,

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

Description

Die Erfindung betrifft einen Wäschetrockner mit einer in einem Gehäuse drehbar gelagerten Trommel, welches in seiner Grundbauform ein Bodenmodul umfasst, wobei der Trommel erhitzte Prozessluft zugeleitet wird, und wobei der Wäschetrockner mit einer im Bodenmodul angeordneten Wärmepumpeneinrichtung ausgestattet ist, bei der Kältemittel im Kreislauf über einen Verdampfer, einen Verdichter, einen Verflüssiger und eine Drosseleinrichtung zirkuliert, wobei die Prozessluft zur Erwärmung über den Verflüssiger geführt wird, wobei zur Kühlung des Kompressors und/oder des Kältemittels ein Kühlgebläse vorgesehen ist, wobei das Bodenmodul als Baugruppe mit der Wärmepumpeneinheit einen Schacht aufweist, in dem das Kühlgebläse für den am Bodenmodul eingefassten Kompressor einsetzbar ist.The invention relates to a tumble dryer with a rotatably mounted in a housing drum, which comprises a bottom module in its basic design, wherein the drum heated process air is supplied, and wherein the tumble dryer is equipped with a arranged in the bottom module heat pump device, the refrigerant in the circuit via a Evaporator, a compressor, a condenser and a throttle device is circulated, wherein the process air is passed over the condenser for heating, wherein for cooling the compressor and / or the refrigerant, a cooling fan is provided, wherein the bottom module has a shaft as an assembly with the heat pump unit, in which the cooling fan can be used for the enclosed on the bottom module compressor.

Ein derartiger Wäschetrockner ist aus der EP 2 573 253 A1 bekannt. Der Schacht zur Aufnahme des Kühlluftgebläses ist mit einer zur Frontseite des Bodenmoduls öffnenden Aufnahme für das Kühlluftgebläse ausgebildet. Ferner offenbart auch die EP 2 549 007 A1 einen Wäschetrockner, bei dem ein Kühlluftgebläse im Bodenmodul des Wäschetrockners aufgenommen ist.Such a tumble dryer is from the EP 2 573 253 A1 known. The shaft for accommodating the cooling air blower is formed with a receptacle for the cooling air blower which opens to the front of the floor module. Furthermore, also discloses the EP 2 549 007 A1 a tumble dryer in which a cooling air blower is received in the bottom module of the tumble dryer.

Aus der DE 101 01 348 A1 ist ein elektrischer Lüfter bekannt, der für eine vereinfachte Montage in einem zu belüftenden Gerät mit Rastelementen ausgebildet ist.From the DE 101 01 348 A1 An electric fan is known, which is designed for simplified installation in a device to be ventilated with locking elements.

Aus dem Stand der Technik gemäß der DE4409607 ist außerdem ein Kondensationswäschetrockner mit einem geschlossenen Prozesskreislauf bekannt. In dem Prozesskreislauf wird mittels eines Prozessluftgebläses Trocknungsluft über einen Lufteinlass einer Trockenkammer zugeführt, wobei über einen Luftauslass diese wieder abgeführt wird. Dabei wird in einem Wärmetauscher die Prozessluft entfeuchtet und danach durch eine Heizung wieder erwärmt. Die Bereitstellung der trockenen Luft erfolgt hierbei mit einer Wärmepumpeneinrichtung, die mit einem Kältemittelkreislauf ausgestattet ist, bei dem das Kältemittel in einem Leitungssystem mit einem Verdampfer, einem Verdichter und einem Verflüssiger und einer Drosseleinrichtung zirkuliert und der Wärmetauscher den Verdampfer und die Heizung den Verflüssiger der Wärmepumpe enthält.From the prior art according to the DE4409607 In addition, a condensation clothes dryer with a closed loop process is known. In the process cycle, drying air is supplied via an air inlet of a drying chamber by means of a process air blower, wherein this air is discharged through an air outlet again. The process air is dehumidified in a heat exchanger and then reheated by a heater. The provision of the dry air takes place here with a heat pump device which is equipped with a refrigerant circuit in which the refrigerant circulates in a line system with an evaporator, a compressor and a condenser and a throttle device and the heat exchanger the evaporator and the heater the condenser of the heat pump contains.

Um insbesondere die Überhitzung des Verdichters zu unterbinden wird bei der bekannten Wärmepumpeneinrichtung der Verdichter durch ein Kühlluftgebläse gekühlt, welches insbesondere die Außenluft ansaugt und direkt auf den Verdichter oder Kompressor bläst, so dass dieser von außen her gekühlt wird. Das Kühlgebläse kann hierbei auch das Kältemittel herunterkühlen. Bei dieser aus dem Stand der Technik bekannten Wärmepumpeneinrichtung wird es als nachteilig angesehen, dass insbesondere das Kühlgebläse im Bodenbereich mitverbaut werden muss, wobei insbesondere die Montage des Kühlgebläses sehr aufwendig ist. Hierzu bedarf es in der Bodengruppe besonderer Halterungen, die vorgehalten werden müssen, um auf diese Weise eine effiziente Kühlung für den Kompressor bzw. Verdichter vorzuhalten.In order to prevent in particular the overheating of the compressor is cooled in the known heat pump device of the compressor by a cooling air blower, which in particular sucks the outside air and blows directly on the compressor or compressor, so that it is cooled from the outside. The cooling fan can also cool down the refrigerant. In this known from the prior art heat pump device, it is considered disadvantageous that in particular the cooling fan in the bottom area mitverbaut be must, in particular, the installation of the cooling fan is very expensive. For this purpose, in the bottom group special brackets that need to be kept in order to provide efficient cooling for the compressor or compressor in this way.

Der Erfindung stellt sich somit das Problem einen Wäschetrockner der beschriebenen Art mit einer im Bodenmodul angeordneten Wärmepumpeneinrichtung derart weiterzubilden, bei dem die Montage des Kühlgebläses für den Verdichter oder den Kompressor wesentlich vereinfacht wird, wobei auch eine Demontage des Kühlgebläses für den Fall des Defektes schnell und einfach vorgenommen werden soll.The invention thus raises the problem of developing a clothes dryer of the type described with a heat pump device arranged in the floor module in which the installation of the cooling fan for the compressor or the compressor is substantially simplified, and also disassembly of the cooling fan for the case of the defect quickly and should be made easily.

Erfindungsgemäß wird dieses Problem mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildung der Erfindung ergeben sich aus den nachfolgenden Unteransprüchen.According to the invention this problem is solved with the features of claim 1. Advantageous embodiments and development of the invention will become apparent from the following dependent claims.

Die mit der Erfindung erreichten Vorteile bestehen nun darin, dass aufgrund der Anbringung eines Schachtes im Bodenmodulbereich das Kühlgebläse einfach wie eine Schublade in den Schacht eingeführt werden kann. Infolge der Selbsthalterung zentriert sich das Kühlgebläse in dem Schacht selbst und ist somit immer für den Lufttransport entsprechend exakt eingesetzt. Auch besteht nun die Möglichkeit, da der Schacht zur Seite hin geöffnet ist, dass bei auftretenden Fehlern das Kühlgebläse leicht und einfach wieder ausgewechselt werden kann, in dem die Seitenwand am Gehäuse abgenommen wird, so dass dann die Schachtöffnung frei ist, um dann das Kühlgebläse aus dem Schacht herauszuziehen.The advantages achieved with the invention consist in the fact that due to the attachment of a shaft in the floor module area, the cooling fan can be easily inserted into the shaft as a drawer. As a result of the self-mounting, the cooling fan centered in the shaft itself and is therefore always used exactly for the air transport. Also, there is now the possibility, since the shaft is open to the side, that in case of errors, the cooling fan can be easily and easily replaced again, in which the side wall is removed from the housing, so that then the shaft opening is free, then the cooling fan to pull out of the shaft.

Erfindungsgemäß wird daher vorgeschlagen, dass das Bodenmodul als Baugruppe mit der Wärmepumpeneinheit einen Schacht aufweist, in dem das Kühlgebläse für den am Bodenmodul eingefassten Verdichter einsetzbar ist und dass der Schacht am Bodenmodul eine zur Seite des Bodenmoduls hin ausgerichtete seitliche Öffnung aufweist zur Montage bzw. zur Demontage des Kühlgebläses. Nach einer vorteilhaften Ausgestaltung der Erfindung weist der Schacht im Wesentlichen eine Kastenform mit geöffneten Seitenwänden zur Durchleitung des Kühlluftstromes auf. Hierbei wird die Kühlluft von der Außenseite und hier insbesondere von der Frontseite des Wäschetrockners angesaugt, und in das Bodenmodul geblasen wo der Kompressor oder Verdichter eingebaut ist. Somit umströmt die gekühlte Luft den Verdichter bzw. den Kompressor, so dass dieser gekühlt wird.According to the invention, it is therefore proposed that the floor module has, as an assembly with the heat pump unit, a shaft in which the cooling fan can be inserted for the compressor enclosed on the floor module and that the shaft at the floor module has a lateral opening aligned with the floor module side for mounting or for Disassembly of the cooling fan. According to an advantageous embodiment of the invention, the shaft has a substantially box shape with open side walls for the passage of the cooling air flow. In this case, the cooling air is sucked from the outside and in particular from the front side of the tumble dryer, and blown into the floor module where the compressor or compressor is installed. Thus, the cooled air flows around the compressor or the compressor, so that it is cooled.

Gemäß der Erfindung weist das Kühlgebläse ebenfalls ein kastenförmiges Gehäuse auf, welches im Formschluss in den Schacht einschiebbar ist. Hierbei sind im Wandbereich des Schachtes federnde Elemente angeordnet zur spielfreien Halterung des Kühlgebläses im eingeschobenen Zustand. Die federnden Elemente können aus der Kunststoffwand, also aus dem Wandbereich des Schachtes, herausgeformt sein und bilden hierbei die Zwangszentrierung des Gehäuses in dem Schacht.According to the invention, the cooling fan also has a box-shaped housing which can be inserted in the shaft in positive engagement. In this case, resilient elements are arranged in the wall region of the shaft for backlash-free Holding the cooling fan in the inserted state. The resilient elements may be formed out of the plastic wall, that is to say out of the wall region of the shaft, and in this case form the positive centering of the housing in the shaft.

Nach einer vorteilhaften Weiterbildung der Erfindung ist im Öffnungsbereich des Schachtes ein gegen selbsttätiges Herausrutschen sichernder Schnapphaken angeordnet, der das Kühlgebläsegehäuse im eingeschobenem Zustand hintergreift. Somit wird gewährleistet, dass ein selbsttätiges Herauslösen des Kühlgehäuses unterbunden wird.According to an advantageous embodiment of the invention, in the opening region of the shaft against self-slipping snap-locking snap hook is arranged, which engages behind the cooling fan housing in the inserted state. This ensures that an automatic release of the cooling housing is prevented.

Nach einer besonders vorteilhaften Ausgestaltung der Erfindung ist am Kühlgebläsegehäuse an wenigstens einer Wand ein Formteil angeformt oder angesetzt, welches für einen korrekten Einschub des Kühlgebläsegehäuses in den Schacht mit einer entsprechenden Aussparung an einer der Schachtwände korrespondiert. Aufgrund dieser Ausbildung wird erreicht, dass bei der Montage, wenn der Werker das kastenförmige Gehäuse des Kühlgebläses ausrichten muss, er einen Fehleinsatz nicht vornehmen kann, da ihm insbesondere ein Einschieben nur dann möglich ist, wenn das Formteil korrekt ausgerichtet ist und mit der Aussparung im Einsatz korrespondiert. Dadurch werden Fehlmontagen unterbunden, welche später dann wieder behoben werden müssten. In Weiterbildung der Erfindung ist auf der oberen Schachtwand eine Halterung für einen elektrischen Anschluss des Kühlgebläses vorgesehen. Ist also das Kühlgebläse in dem Schacht integriert, so bedarf es nur noch hier den Stecker mit der elektrischen Leitung an die Halterung anzuclipsen, so dass dann auch die elektrische Verbindung hergestellt ist.According to a particularly advantageous embodiment of the invention, a molding is integrally formed or attached to the cooling fan housing on at least one wall, which corresponds to a correct insertion of the cooling fan housing into the shaft with a corresponding recess on one of the shaft walls. Due to this design it is achieved that during assembly, when the worker must align the box-shaped housing of the cooling fan, he can not make a misuse, since it is only possible, in particular, when the molding is correctly aligned and with the recess in the Insert corresponds. As a result, incorrect assemblies are prevented, which later would have to be corrected again. In a further development of the invention, a holder for an electrical connection of the cooling fan is provided on the upper shaft wall. So if the cooling fan is integrated in the shaft, so it only needs the plug with the electrical line to be clipped to the holder, so that then the electrical connection is made.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen rein schematisch dargestellt und wird nachfolgend näher beschrieben. Es zeigt:

Figur 1
eine perspektivische Darstellung eines Wäschetrockners,
Figur 2
eine perspektivische Darstellung des Bodenmoduls mit angesetzter Frontwand,
Figur 3
eine perspektivische Darstellung des Schachtes in explosionsartiger Darstellung mit dem einzuschiebenden Kühlgebläses,
Figur 4
eine weitere perspektivische Darstellung des Schachtes mit den zentrierenden Federelementen,
Figur 5
eine geschnittene Ansicht a des Schachtes sowie eine perspektivische Darstellung b des Schachtes mit den Federelementen,
Figur 6
eine Seitenansicht a des Schachtes sowie eine geschnittene Ansicht b des Schachtes mit Schnapphaken,
Figur 7
eine Einzeldarstellung des Schnapphakens in der Perspektive,
Figur 8
eine perspektivische Darstellung a des Schachtes mit integriertem Kühlgebläse sowie der Halterung in Einzeldarstellung b für die elektrische Anschlussleitung,
Figur 9
eine Draufsicht auf den Schacht mit dem Einschubschlüssel und
Figur 10
eine weitere geschnittene Ansicht des Schachtes, ebenfalls mit dem Einschubschlüssel.
An embodiment of the invention is shown purely schematically in the drawings and will be described in more detail below. It shows:
FIG. 1
a perspective view of a tumble dryer,
FIG. 2
a perspective view of the floor module with attached front wall,
FIG. 3
a perspective view of the shaft in an exploded view with the cooling fan to be inserted,
FIG. 4
a further perspective view of the shaft with the centering spring elements,
FIG. 5
a sectional view a of the shaft and a perspective view b of the shaft with the spring elements,
FIG. 6
a side view a of the shaft and a sectional view b of the shaft with snap hook,
FIG. 7
an individual view of the snap hook in perspective,
FIG. 8
a perspective view a of the shaft with integrated cooling fan and the holder in a single representation b for the electrical connection cable,
FIG. 9
a plan view of the shaft with the plug-in key and
FIG. 10
another cut view of the shaft, also with the slot key.

Die Figur 1 zeigt in der perspektivischen Darstellung einen Trockner 1 mit einer in einem Gehäuse 2 drehbar gelagerten Trommel 3, welches in seiner Grundbauform ein Bodenmodul 4 umfasst, wie dies insbesondere in der Figur 2 dargestellt ist. Dabei wird der Trommel 3 erhitzte Prozessluft zugeleitet, wobei der Wäschetrockner 1 mit einer im Bodenmodul 4 angeordneten Wärmepumpeneinrichtung ausgestattet ist, die in den Darstellungen nicht näher gezeigt wird. Die Wärmepumpeneinrichtung als solches umfasst hierbei ein Kältemittel, welches im Kreislauf über einen Verdampfer, einen Verdichter, einen Verflüssiger und eine Drosseleinrichtung geführt wird. Dabei ist zur Kühlung insbesondere des Verdichters und/oder des Kältemittels ein Kühlgebläse 5 vorgesehen, wie dies insbesondere in der Figur 3, 4 und 8 zu erkennen ist.The FIG. 1 shows in the perspective view of a dryer 1 with a rotatably mounted in a housing 2 drum 3, which includes a base module 4 in its basic design, as in particular in the FIG. 2 is shown. In this case, the heated air is supplied to the drum 3, wherein the tumble dryer 1 is equipped with a arranged in the bottom module 4 heat pump device, which is not shown in detail in the illustrations. As such, the heat pump device comprises a refrigerant, which is circulated through an evaporator, a compressor, a condenser and a throttle device. In this case, a cooling fan 5 is provided for cooling in particular of the compressor and / or the refrigerant, as in particular in the FIG. 3 . 4 and 8th can be seen.

Gemäß der Erfindung weist hierbei das Bodenmodul 4 als Baugruppe mit der Wärmepumpeneinheit einen Schacht 6 auf, wie dieser beispielsweise in der Figur 2 und 3 zu erkennen ist. In den Schacht 6 ist das Kühlgebläse 5 für den am Bodenmodul 4 eingefassten Verdichter einsetzbar, wie dies in der Figur 3 bis 10 näher gezeigt wird.According to the invention, in this case, the floor module 4 as a module with the heat pump unit on a shaft 6, as this example, in the FIG. 2 and 3 can be seen. In the shaft 6, the cooling fan 5 can be used for the enclosed on the bottom module 4 compressor, as shown in the FIGS. 3 to 10 is shown in more detail.

Wie insbesondere in der Zusammenschau der Figuren zu erkennen ist, weist der Schacht 6 am Bodenmodul 4 eine seitliche Öffnung 7 auf zur Montage bzw. zur Demontage des Kühlgebläses 5. Der Schacht 6 weist hierbei im Wesentlichen eine Kastenform auf mit geöffneten Seitenwänden 8 und 9 zur Durchleitung des Kühlstromes, wie diese näher in der Figur 2 und 3 zu erkennen sind. Es versteht sich nun von selbst, dass bei korrektem Einbau des Kühlgebläses 5 in dem Schacht 6 die Luft über die Frontwand und hier über ein Sieb 10 angesogen wird, wobei dann durch die beiden geöffneten Seitenwände 8 und 9 die Luft in den Innenraum des Bodenmoduls 4 strömt, wo die Kühlluft den dort eingebauten Kompressor oder Verdichter umströmt.As can be seen in particular in the synopsis of the figures, the shaft 6 at the bottom module 4 has a lateral opening 7 for mounting or dismounting the cooling fan 5. The shaft 6 in this case essentially has a box shape with the side walls 8 and 9 open Passing the cooling stream, as this closer in the FIG. 2 and 3 can be seen. It goes without saying that with correct installation of the cooling fan 5 in the shaft 6, the air is sucked in via the front wall and here via a sieve 10, in which case through the two open side walls 8 and 9, the air into the interior of the floor module 4th flows where the cooling air flows around the built-in compressor or compressor.

Wie insbesondere aus der Figur 3 bis 10 ebenfalls zu erkennen ist, ist das Kühlgebläse 5 aus einem kastenförmigen Gehäuse 11 gebildet, welches im Formschluss in den Schacht 6 einschiebbar ist. Wie insbesondere aus der Figur 4, 5 und 6 zu erkennen ist, sind im Wandbereich des Schachtes 6 federnde Elemente 12 angeordnet zur spielfreien Halterung des Kühlgebläses 5 in eingeschobenem Zustand. Es versteht sich nun von selbst, dass wenn das kastenförmige Gehäuse 11 des Kühlgebläses 5 eingeschoben ist, die federnden Elemente 12 eine Zentrierung des Gehäuses 11 im Schacht 6 bereitstellen. Dabei sind die federnden Elemente 12 aus der Kunststoffwand herausgeformt.As in particular from the FIGS. 3 to 10 can also be seen, the cooling fan 5 is formed from a box-shaped housing 11 which is inserted in the shaft 6 in positive engagement. As in particular from the FIG. 4 . 5 and 6 can be seen, 6 resilient elements 12 are arranged for play-free mounting of the cooling fan 5 in the inserted state in the wall region of the shaft. It goes without saying that if the box-shaped Housing 11 of the cooling fan 5 is inserted, the resilient elements 12 provide a centering of the housing 11 in the shaft 6. In this case, the resilient elements 12 are formed out of the plastic wall.

Nach einer besonders vorteilhaften Ausgestaltung der Erfindung, dargestellt in der Figur 6 und 7, ist im Öffnungsbereich des Schachtes 6 ein gegen selbsttätiges Herausrutschen sichernder Schnapphaken 13 angeordnet, der das Gehäuse 11 des Kühlgebläses 5 im eingeschobenen Zustand hintergreift. Wird der Schnapphaken 13 entriegelt, so besteht auf einfache Art und Weise eine Demontage des Kühlgebläses, indem dieses einfach aus dem Schacht 6 herausgezogen werden kann.According to a particularly advantageous embodiment of the invention, shown in the FIG. 6 and 7 , In the opening area of the shaft 6, a snap hook 13, which prevents the vehicle from slipping out, is arranged, which engages behind the housing 11 of the cooling fan 5 in the inserted state. If the snap hook 13 is unlocked, so there is a simple way disassembly of the cooling fan by this can be easily pulled out of the shaft 6.

Nach einer besonders vorteilhaften Weiterbildung ist am Gehäuse 11 des Kühlgebläses 5 an wenigstens einer Wand ein Formteil 14 oder ein Niet angeformt oder angesetzt, wie dies in der Figur 9 und 10 gezeigt wird. Dieses Formteil 14 korrespondiert für einen korrekten Einschub des Kühlgebläsegehäuses 11 in dem Schacht 6 mit einer entsprechenden Aussparung 15 an einer der Schachtwände. Somit wirkt insbesondere dieses Formteil 14 wie eine Art Schlüssel, so dass aufgrund dieser Ausbildung immer ein korrekter Einschub erfolgt, wobei bei unkorrektem Ansetzen des Gehäuses 11 an den Schacht 6 ein Einschieben unterbunden wird, weil die Teile nicht im Korrespondenzstellung sind.According to a particularly advantageous development, a molding 14 or a rivet is formed or attached to the housing 11 of the cooling fan 5 at least one wall, as shown in the FIGS. 9 and 10 will be shown. This molded part 14 corresponds to a correct insertion of the cooling fan housing 11 in the shaft 6 with a corresponding recess 15 on one of the shaft walls. Thus, in particular, this molding 14 acts as a kind of key, so that due to this training always a correct insertion takes place, with an incorrect insertion of the housing 11 to the shaft 6 insertion is prevented because the parts are not in the correspondence position.

In Weiterbildung ist auf der oberen Schachtwand, dargestellt in der Figur 8, eine Halterung 17 für einen elektrischen Anschluss 18 des Kühlgebläses 5 vorgesehen. Ist also das Kühlgebläse 5 im Schacht 6 untergebracht und durch den Schnapphaken 13 gegen selbsttätiges Herauswandern gesichert, so kann die Klemme an der Halterung 17 an der oberen Wand des Schachtes 6 eingeclipst werden, so dass auch der elektrische Anschluss 18 für das Kühlgebläse 5 gegeben ist.In further education is on the upper shaft wall, represented in the FIG. 8 , a holder 17 for an electrical connection 18 of the cooling fan 5 is provided. Thus, if the cooling fan 5 housed in the shaft 6 and secured by the snap hook 13 against automatic wandering, the terminal can be clipped to the bracket 17 on the upper wall of the shaft 6, so that the electrical connection 18 is given to the cooling fan 5 ,

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

  1. 1. Trockner1st dryer
  2. 2. Gehäuse/Trockner2. Housing / dryer
  3. 3. Trommel3rd drum
  4. 4. Bodenmodul4. Floor module
  5. 5. Kühlgebläse5. Cooling fan
  6. 6. Schacht6th shaft
  7. 7. Öffnung7. Opening
  8. 8. Seitenwand8. Sidewall
  9. 9. Seitenwand9. Sidewall
  10. 10. Sieb10. Sieve
  11. 11. kastenförmiges Gehäuse11. box-shaped housing
  12. 12. Federelement12. spring element
  13. 13. Schnapphaken13. snap hook
  14. 14. Formteil14. molding
  15. 15. Aussparung15. recess
  16. 16. obere Seitenwand Schacht16th upper side wall shaft
  17. 17. Halterung17. Holder
  18. 18. Anschluss18. Connection

Claims (5)

  1. Tumble dryer (1) comprising a drum (3) that is rotatably mounted in a housing (2) and, in its basic form, comprises a base module (4), heated process air being supplied to the drum (3), and the dryer (1) being equipped with a heat pump device arranged in the base module (4), in which device coolant circulates in a circuit through an evaporator, a compressor, a condenser and a throttle device, the process air being guided over the condenser,
    a cooling fan (5) being provided to cool the compressor, or the compressor and the coolant, the base module (4), as an assembly with the heat pump unit, comprising a box-shaped shaft (6) in which the cooling fan (5) for the compressor set on the base module (4) can be placed, the shaft (6) comprising an opening (7) for receiving or for removing the cooling fan (5) and being designed having open side walls (8) and (9) for the passage of the cooling air flow, characterised in that
    the opening (7) of the shaft (6) is oriented towards one side of the base module (4) and in that the cooling fan (5) comprises a box-shaped housing (11), which can be inserted into the shaft (6) in a positive fit, resilient elements (12) being arranged in the wall region of the shaft (6) in order to mount the cooling fan (5) so as to have zero clearance when inserted.
  2. Tumble dryer according to claim 1,
    characterised in that
    the resilient elements (12) are shaped out of the wall region of the shaft (6).
  3. Tumble dryer according to any of claims 1 to 2,
    characterised in that
    a snap hook (13) which automatically stops itself from slipping out is arranged in the opening region of the shaft (6) and engages behind the cooling fan housing (11) when inserted.
  4. Tumble dryer according to any of claims 1 to 3,
    characterised in that
    a moulded part (14) is integrally formed or placed on the cooling fan housing (11) on at least one wall, which part corresponds to a corresponding recess (15) in one of the shaft walls for correct insertion of the cooling fan housing (11) into the shaft (6).
  5. Tumble dryer according to any of claims 1 to 4,
    characterised in that
    a mounting (17) for an electrical connection (18) of the cooling fan (5) is provided on the upper shaft wall (16) of the box-shaped shaft (6).
EP14167316.0A 2013-05-07 2014-05-07 Laundry dryer with drum which is mounted so as to be rotatable in a housing Active EP2801654B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013104680.0A DE102013104680A1 (en) 2013-05-07 2013-05-07 Clothes dryer with a rotatably mounted in a housing drum

Publications (2)

Publication Number Publication Date
EP2801654A1 EP2801654A1 (en) 2014-11-12
EP2801654B1 true EP2801654B1 (en) 2019-06-12

Family

ID=50639358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14167316.0A Active EP2801654B1 (en) 2013-05-07 2014-05-07 Laundry dryer with drum which is mounted so as to be rotatable in a housing

Country Status (2)

Country Link
EP (1) EP2801654B1 (en)
DE (1) DE102013104680A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4409607C2 (en) 1993-04-21 2002-03-14 Miele & Cie Condensation clothes dryer with a heat pump
DE10101348A1 (en) * 2001-01-13 2002-08-01 Bosch Gmbh Robert Electrically powered cooling fan has conductor projecting from base with ends that are soldered onto circuit board
JP4108100B2 (en) * 2006-04-07 2008-06-25 三洋電機株式会社 Dryer
JP2009165720A (en) * 2008-01-18 2009-07-30 Panasonic Corp Drying device
EP2549007B1 (en) * 2011-07-22 2020-02-26 Electrolux Home Products Corporation N.V. Heat pump laundry treatment apparatus
EP2573253B1 (en) * 2011-09-26 2016-09-07 Electrolux Home Products Corporation N.V. Heat pump dryer
EP2650425B1 (en) * 2012-04-12 2018-11-21 Electrolux Home Products Corporation N.V. Laundry drying machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2801654A1 (en) 2014-11-12
DE102013104680A1 (en) 2014-11-13

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