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EP2719819B1 - Wärmepumpenwäschetrockner - Google Patents

Wärmepumpenwäschetrockner Download PDF

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Publication number
EP2719819B1
EP2719819B1 EP12007133.7A EP12007133A EP2719819B1 EP 2719819 B1 EP2719819 B1 EP 2719819B1 EP 12007133 A EP12007133 A EP 12007133A EP 2719819 B1 EP2719819 B1 EP 2719819B1
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EP
European Patent Office
Prior art keywords
compartment
dryer
liquid
heat exchanger
washer
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
EP12007133.7A
Other languages
English (en)
French (fr)
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EP2719819A1 (de
Inventor
Alberto Bison
Nicola Reid
Giuseppe Rossi
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Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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.)
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Publication date
Application filed by Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP12007133.7A priority Critical patent/EP2719819B1/de
Publication of EP2719819A1 publication Critical patent/EP2719819A1/de
Application granted granted Critical
Publication of EP2719819B1 publication Critical patent/EP2719819B1/de
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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 
    • D06F58/206—Heat pump 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 laundry treatment apparatus having a heat pump system, in particular the invention relates to a heat pump tumble dryer or a washing machine having a dryer function (washer dryer).
  • EP 2 341 183 A1 discloses a dryer comprising a heat exchanger for cooling process air.
  • a front portion of the heat exchanger is cleaned by a liquid spray from a pipe which is connected to a liquid collection chamber arranged below the heat exchanger. Condensate generated at the heat exchanger as well as liquid supplied to the front portion of the heat exchanger is collected in the liquid collection chamber.
  • a filter is arranged in the collection chamber in the region of the collection chamber which is between the front portion of the heat exchanger and a rear portion.
  • a cleaning pump for pumping liquid through the pipe to the heat exchanger for cleaning is arranged in the collector chamber below a rear portion of the heat exchanger.
  • the liquid used for cleaning the heat exchanger washes off fluff from the heat exchanger surface and the fluff is collected in the collection chamber.
  • the cleaning pump liquid is pumped from a front portion of the collection chamber (below the front portion of the heat exchanger) through the filter to the rear portion, such that only filtered liquid is conveyed to the heat exchanger for cleaning.
  • a draining pump which is fluidly connected to the front portion of the collection chamber the liquid flow through the filter is reversed, whereby collected fluff is washed from the filter and drained from the collection chamber.
  • the condensate formed at the heat exchanger is flowing into a condensate collector.
  • a cleaning means is provided that directs via a nozzle the condensate pumped from the condensate collector towards the front section of the heat exchanger.
  • the cleaning liquid flown over the front section of the heat exchanger and thus carrying fluff is passed through a fluff filter, before the filtered cleaning liquid flows back into the condensate collector.
  • a heat pump tumble dryer or washer dryer having a dryer function is provided.
  • the treatment apparatus comprises a laundry treatment chamber for treating laundry using process air, i.e. a laundry drum, and a process air circuit or loop for circulating the process air through the treatment chamber.
  • a heat pump system of the treatment apparatus comprises a first heat exchanger arranged in the process air circuit for cooling the process air and a second heat exchanger arranged in the process air circuit for heating the process air.
  • Cleaning means are adapted to provide cleaning liquid to the first heat exchanger for cleaning a portion or at least a portion of the first heat exchanger surface, i.e.
  • a liquid collector is assigned to the first heat exchanger and is adapted to collect liquid from the first heat exchanger.
  • the liquid collector comprises at least two compartments, wherein a first compartment is adapted to collect condensate generated at the first heat exchanger and a second compartment is adapted to collect the cleaning liquid provided to the first heat exchanger by the cleaning means, i.e. the first compartment collects reusable 'clean' liquid, i.e. condensate, and the second compartment collects 'dirty' or contaminated liquid, i.e. liquid with fluff, which may be discharged via the process air coming from the laundry treatment chamber.
  • the at least two compartments are separated from each other, i.e. the at least two compartments are spatially separated, for example by a partition wall, such that clean liquid and dirty liquid are collected separately.
  • the liquid collected in the second compartment may include a small portion of the liquid condensed at the first heat exchanger.
  • Liquid collected in first compartment is or is essentially condensate but may include a small (spilling) fraction of the cleaning liquid.
  • clean and dirty liquid are not or are essentially not mixed, such that always clean liquid is provided, which might be reused for cleaning the first heat exchanger with the cleaning means.
  • a separation means is provided such that the liquid collected in the second compartment can not flow or leak to the first compartment.
  • the first and second compartments are separated from each other such that there is no liquid communication between the liquid in the first compartment and the liquid in the second compartment.
  • the two compartments have liquid levels that are independent of each other.
  • the absolute liquid levels (e.g. in relation to a horizontal plane taken as a reference, for example the floor where the machine is installed) in the compartments may be different of each other according to the operation state of the tumble dryer or washer dryer.
  • the first compartment collects the water condensed at the evaporator and the liquid level increases accordingly
  • the second compartment is substantially empty during said initial phase and the liquid level inside the second compartment increases only when the evaporator cleaning operation is activated, which operation is performed after said initial phase since condensed water needs to be accumulated in the first compartment.
  • At least one of the first compartment and second compartment may extend at least partially below the first heat exchanger, such that condensate is easily collected in the first compartment and/or dirty liquid is easily collected in the second compartment by flowing down from the heat exchanger into the respective compartment.
  • no liquid filter means is provided for filtering the liquid collected in the first compartment or no liquid filter is arranged in a cleaning liquid path between the first compartment and the first heat exchanger.
  • the above described treatment apparatus does not need a filter means for the evaporator cleaning liquid path to provide clean liquid e.g. for cleaning the first heat exchanger or for collecting in a removable container for ironing.
  • the above treatment apparatus does not need a filter means, less components have to be assembled, and in particular no filter means has to be maintained or cleaned. In other words a treatment apparatus is provided with low production and maintenance costs.
  • the cleaning means comprises a conveying means adapted to convey liquid from the first compartment to the first heat exchanger, e.g. the conveying means may comprise a first pump for pumping clean liquid from the first compartment to a front portion of the first heat exchanger.
  • the conveying means may comprise a tank for storing clean liquid, which is arranged above or higher than the first heat exchanger, and a valve which is opened during a cleaning phase for cleaning the first heat exchanger, such that clean liquid is supplied or conveyed to the first heat exchanger by means of gravity.
  • At least one of the first compartment and the second compartment is at least partially arranged below the second heat exchanger.
  • at least one of or both of the compartments i.e. the liquid collectors
  • the liquid collector is at least partially formed integrally with a base unit of the treatment apparatus, such that the number of assembly parts is reduced, i.e. the treatment apparatus is easy to assemble.
  • the cleaning means comprises a first pump controlled by a control unit of the treatment apparatus for pumping liquid from the first compartment to the first heat exchanger or to an intermediate tank or container from where it is supplied to the cleaning means.
  • excess (clean) liquid may be pumped to the intermediate tank for later use, i.e. for cleaning the first heat exchanger.
  • the intermediate tank is removable, such that the collected clean liquid may be used e.g. for ironing.
  • the treatment apparatus comprises a second pump controlled by a control unit of the treatment apparatus for pumping liquid from the second compartment to an extractable container or to the outside of the treatment apparatus.
  • a control unit of the treatment apparatus for pumping liquid from the second compartment to an extractable container or to the outside of the treatment apparatus.
  • excess dirty or contaminated liquid may be removed from the treatment apparatus, i.e. from the second compartment.
  • a liquid level detector connected to the control unit is arranged in the first and/or second compartment. When a maximum liquid level is reached in the first/second compartment the control unit activates the first/second pump to remove excess liquid.
  • the first compartment comprises a first sump which is in fluid connection with the first compartment or which is part of the first compartment, wherein the first sump is arranged at a rear portion of a basement of the treatment apparatus and wherein the first pump is arranged at or in the first sump for pumping liquid from the first sump, e.g. to the first heat exchanger.
  • the second compartment comprises a second sump which is in fluid connection with the second compartment or which is part of the second compartment, wherein the second sump is arranged at a rear portion of the treatment apparatus basement and wherein the second pump is arranged at or in the second sump for pumping liquid from the second sump, e.g. to the outside of the treatment apparatus.
  • the treatment apparatus basement is preferably formed by a two-part base unit comprising an upper shell and a lower shell.
  • a bottom or base section of the first compartment and additionally or alternatively of the second compartment has an inclined slope for guiding the collected liquid towards the rear part of the basement. I.e. the inclined bottom section guides the liquid towards the first and additionally or alternatively towards the second sump.
  • the cleaning means is adapted to supply the cleaning liquid to a front or side portion or to a front or side surface of the first heat exchanger.
  • the front surface is located where the process air coming from the laundry treatment chamber along the process air channel hits the first heat exchanger first. I.e. the portion or surface of the heat exchanger where most of or all of the fluff carried by the process air is collected
  • the cleaning means washes off all fluff from the heat exchanger such that the heat exchanger is thoroughly cleaned.
  • the cleaning means is adapted to supply liquid to an upper portion of the first heat exchanger front face. I.e. liquid is supplied to an upper portion, such that it subsequently flows down the heat exchanger from top to bottom, whereby fluff is washed off.
  • the cleaning means is adapted to supply liquid to the entire or essentially the entire front surface of the first heat exchanger perpendicular to the process air flow, such that the complete front surface or portion is cleaned with a liquid spray of clean liquid.
  • the first compartment may be at least partially arranged below a middle and rear portion of the first heat exchanger.
  • gravity assists clean liquid (condensate) flowing towards the first compartment as it is arranged below the portion of the first heat exchanger where condensate is generated.
  • the dirty (cleaning) liquid is prevented from flowing into the first compartment.
  • the first compartment is arranged in a space-saving manner below at least a portion of the second heat exchanger and a middle/rear portion of the first heat exchanger.
  • the second compartment is at least partially arranged below a front portion of the first heat exchanger which is cleaned by the cleaning liquid, such that liquid flowing down from the heat exchanger carrying fluff is safely or efficiently collected in the second compartment.
  • the second compartment may extend or essentially extend across the width of the first heat exchanger perpendicular to the process air flow, e.g. when the second compartment is arranged at least partially below the heat exchanger(s) an opening or inlet to the second compartment extends across the width of the first heat exchanger, such that washed off fluff, i.e. dirty liquid, is efficiently collected in the second compartment.
  • the second compartment extends below a front portion of the first heat exchanger at least 1/10, 1/8, 1/5, 1/4 of the first heat exchanger length in direction of the process air flow to ensure that all dirty liquid is collected during and after a cleaning phase of the first heat exchanger.
  • the second compartment is fluidly connected to a front portion of the first heat exchanger by means of a drain conduit, such that liquid is conveyed from the front of the first heat exchanger to a rear portion of the base unit, wherein at least a portion of the conduit is arranged within or is passing through the first compartment.
  • at least a portion of the conduit is arranged and/or passing at a side of the first compartment.
  • at least a portion of the conduit is arranged below the first compartment, i.e.
  • a drain conduit in form of a 'tunnel' is provided to convey dirty liquid collected at a front portion of the first heat exchanger to a rear portion of the treatment apparatus, whereby the first and second compartment can be arranged in a basement of the treatment apparatus in a space-saving manner.
  • the first and second compartment may be fluidly connected, e.g. by an overflow element between first and second compartment.
  • an overflow element or wall is adapted such that clean liquid from the first compartment only overflows to the second compartment, but not the opposite way.
  • excess clean water may be discharged from the first compartment, while preventing that the clean liquid in the first compartment is contaminated by dirty liquid from the second compartment.
  • the cleaning means comprises a two-way valve controlled by a control unit of the treatment apparatus to selectively supply liquid to the first heat exchanger from the first compartment or alternatively from an intermediate tank,
  • clean liquid is supplied to the first heat exchanger from the intermediate tank when not enough liquid for a cleaning phase is collected in the first compartment, e.g. during the beginning of a drying operation of the treatment apparatus.
  • clean liquid in the intermediate tank may be left over from a previous drying operation, such that no external liquid supply is necessary.
  • the intermediate tank may be filled with water/liquid by a user.
  • for additionally cleaning the heat exchanger between drying operations of the treatment apparatus For example for additionally cleaning the heat exchanger between drying operations of the treatment apparatus.
  • the cleaning means comprises a valve controlled by a control unit of the treatment apparatus to supply liquid to the first heat exchanger from a liquid or tap water supply, e.g. when a drying operation starts or when a liquid level in the first compartment drops below a minimum level an external liquid supply is provided for cleaning the first heat exchanger.
  • the treatment apparatus comprises a liquid level detector for detecting a liquid level in the first compartment, wherein the control unit is adapted to supply liquid to the first compartment when a liquid level of the compartment drops below a predetermined minimum level.
  • the liquid may be supplied to the first compartment from an intermediate tank or alternatively from a liquid or tap water supply.
  • the cleaning means may comprise a two-way valve controlled by a control unit of the treatment apparatus to supply liquid selectively from the first compartment to an extractable container or to the outside of the treatment apparatus. Thus excess clean liquid may be removed from the treatment apparatus.
  • a more economical embodiment may comprise of a manual operation to disconnect the liquid supply directed towards the extractable container and direct all the "dirty" water collected after the cleaning operation to the outside of the apparatus.
  • Figs. 1 to 3 show schematic views of selected elements or components of a laundry treatment apparatus having a heat pump system, which is in the following embodiments a heat pump tumble dryer.
  • the schematically depicted elements are incorporated amongst others in a heat pump tumble dryer and are selected to illustrate the general concept of the invention.
  • a heat pump tumble dryer comprises a laundry compartment or drum arranged in a housing of the apparatus for receiving laundry to be dried therein.
  • a first heat exchanger 2 evaporator
  • a second heat exchanger 4 condenser - see Fig. 3
  • process air is conveyed through the closed process air loop from the laundry drum through the first and second heat exchanger 2, 4, i.e. through the battery channel 32, and subsequently the heated and dehumidified process air is fed back into the laundry drum for drying laundry therein.
  • the treatment apparatus comprises a cleaning means for cleaning a front portion or front surface 10 of the first heat exchanger 2.
  • the cleaning means comprises a spray head 38, a feed pipe 46 and a first pump 40 to convey liquid to the heat exchanger surface 10, i.e.
  • the spray head 38 is fed with condensate collected from the first heat exchanger 2 in a first compartment 16 arranged in the basement 6 below the heat exchangers 2, 4.
  • the spray head 38 is adapted to spray liquid to an upper portion of the first heat exchanger 2 by means of a first pump 40 from where the cleaning liquid flows down the heat exchanger surface 10 by means of gravity and washes off fluff thereby.
  • the washed off fluff i.e. the dirty or contaminated liquid
  • a portion of the second compartment 18 may also have an extension below the second heat exchanger 4 - preferably with a liquid scaling partition wall between the second heat exchanger 4 and the second compartment.
  • the collected dirty liquid may be drained to the outside of the treatment apparatus by means of a second pump 42 or drain pump and a drain pipe 48 (a respective drain pipe 48' is shown in Fig. 2 for the second embodiment).
  • the treatment apparatus may comprise a removable tank 36 for collecting excess liquid from the second compartment 18, which can be emptied by a user as required, i.e. when a maximum level is reached.
  • the removable tank 36 may be located or arranged at an upper portion of the treatment apparatus which is easily accessible for a user.
  • a valve 44 is provided to selectively feed liquid to the removable tank 36 or to the outside of the treatment apparatus, e.g. first the removable tank 36 is filled up to a predetermined maximum capacity and any further liquid is discharged to the outside of the apparatus.
  • a liquid level detector connected to the control unit of the treatment apparatus is adapted to detect the liquid level in the second compartment 18, wherein the control unit is adapted to operate the second pump 42 and to open the valve 44 selectively to the removable tank 36 or to the outside when a maximum liquid level is reached.
  • valve 44 is omitted and a pipe branch is provided at the position of the valve 44. By disconnecting the line of drain pipe 48 towards the removable tank 36, the liquid is then drained to the outside of the cabinet (not shown) of the apparatus through the outgoing line of the drain pipe 48.
  • a removable condensate container 37 or tank is provided which is connected to the first compartment 16 and to the spray head 3 8 by means of a two-way valve 44'.
  • clean liquid, i.e. condensate, from the first container 16 may be collected and removed from the treatment apparatus, e.g. to be used for ironing.
  • the statements relating to Fig. 1 also apply for the second embodiment of Fig. 2 .
  • the two-way valve 44' may be replaced by a three-way valve.
  • clean liquid (condensate) may be conveyed from the first compartment 16 to the condensate tank 37, may be supplied from the first compartment 16 to the spray head 38 or may be supplied from the tank 37 to the spray head 38.
  • the condensate container 37 is arranged above or higher than the spray head 38, such that liquid from the condensate container 37 may be conveyed to the spray head 38 and through feed pipe 46' by gravity, i.e. controlled by the control unit the three-way valve is opened to feed liquid to the spray head 38, for example when the amount of liquid in the first compartment 16 has not reached a minimum level sufficient for cleaning the first heat exchanger 2.
  • Fig. 3 schematically shows the flow of liquid from the first compartment 16 to the first heat exchanger 2 and into the second compartment 18 with arrows which is the same for all above described embodiments.
  • the rear and middle portion of the first heat exchanger 2, where condensate is generated during a drying operation, is indicated by 'A' and is arranged above the first compartment 16, such that the generated condensate, i.e. clean liquid, is collected in the first compartment 16.
  • Figs. 4a-b show perspective rear views of a portion of a basement 6 of the treatment apparatus.
  • the basement 6 of Figs. 4a-b may comprise the schematically depicted components of the embodiments as described above.
  • the reference numerals for elements described above are used for the same elements in the following embodiment.
  • the basement 6 is formed by an upper shell and a lower shell 8, wherein the upper shell is omitted to allow a better view onto the internal structure and components arranged in the basement 6.
  • a process air channel guides the process air from the outlet of the laundry chamber (not shown and preferably a drum) to the inlet of the laundry compartment preferably such that a closed process air loop is formed.
  • a portion of the process air channel is formed between inner walls of the upper shell and lower shell 8.
  • those portions are indicated which form part of the channel, namely a front section channel 30a which guides the air downward from the treatment chamber into a battery channel, which houses the heat exchangers 2,4.
  • the process air leaves the battery channel 32 through the rear channel section 30b where the process air blower (only housing part shown) is arranged.
  • the first heat exchanger 2 (evaporator) cools and dehumidifies the process air and the second heat exchanger 4 heats the process air. Both are arranged in the battery channel 32 where only the first heat exchanger 2 is shown in Fig. 4a .
  • the second heat exchanger 4, which is arranged downstream the first heat exchanger 2 with respect to process air flow is omitted to allow a better view of the structure.
  • the first heat exchanger 2 is held in its operating position by retaining elements 14a-b protruding from inner walls of the lower shell 8.
  • a cover panel 12 or a cover plate forms a bottom or lower boundary of the battery channel 32.
  • the first and second compartments 16,18 are arranged below the cover panel 12, i.e. below the heat exchangers 2,4.
  • the front portion of the cover panel 12, which is arranged below the first heat exchanger 2 comprises a plurality of slits 26a-g ( Fig. 5a ) below the middle and rear portion of the first heat exchanger 2. such that condensate generated at the first heat exchanger 2 flows through the slits 26a-g into the first compartment 16 below the first heat exchanger 2.
  • the second compartment 18 extends below a front portion of the first heat exchanger 2.
  • the inlet 28 has the same or essentially the same width as the first heat exchanger 2 to assure that all the dirty liquid flowing down the heat exchanger front surface 10 is collected.
  • the dirty liquid flows through the inlet 28 into the second compartment 18 from where it may be pumped to an outside of the apparatus or to an extractable container 36 as described above.
  • Figs. 5a-b show perspective front/side views of the lower shell 8 of Figs. 4a-b without the first heat exchanger 2.
  • the first compartment 16 is arranged below a middle and rear portion of the first heat exchanger 2 and below the second heat exchanger 4 and extends to the rear of the lower shell 8 or basement 6 to a first sump 20 ( Fig. 4a ) where the first pump 40 is arranged to pump liquid to the spray head 38 for cleaning the first heat exchanger 2 as described above.
  • the compartments 16, 18 are divided from each other by a dividing wall 24.
  • the second compartment 18 extends to a front portion of the lower shell 8, i.e.
  • the second compartment 18 extends from the front of the lower shell 8 along a side of the lower shell 8 to the rear of the basement 6.
  • the second compartment 18 is connected to a second sump 22 ( Fig. 4a ) at the rear of the basement 6 or shell 8 by a drain conduit 34 or tunnel arranged at a rear portion of the lower shell 8.
  • the second pump 42 is arranged in the second sump 22 to pump dirty liquid to the outside of the apparatus or to a removable tank 36 as described above.
  • Fig. 6 shows a perspective sectional side/front view of the lower shell 8 of Figs. 4a-b and Fig. 6a shows a detail of the view of Fig. 6 .
  • Fig. 6a depicts the front and side portion of the lower shell 8 with the inlet 28 to the second compartment 18, wherein the flow of dirty water from the first heat exchanger 2 to the inlet 28 and into the second compartment is illustrated with arrows B.
  • Figs. 6 to 9 show succeeding assembly steps of the basement 6 of Figs. 4a-b in perspective sectional side views.
  • First the cover panel 12 is placed in the lower shell 8 until it reaches its end position as shown in Fig. 7 . In this position the lower side of panel 12 rests on the upper face of dividing wall 24.
  • the cover panel 12 is depicted semi-transparent to depict the position of the compartments 16, 18 with respect to the slits 26a-g or openings in the cover panel 12.
  • the slits 26a-g are evenly distributed over a base area of the first heat exchanger 2.

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

Claims (19)

  1. Wärmepumpenwäschetrockner oder Waschmaschine mit einer Trocknerfunktion, umfassend
    eine Wäschebehandlungskammer zum Behandeln von Wäsche unter Verwendung von Prozessluft,
    einen Prozessluftkreis zum Umwälzen der Prozessluft,
    ein Wärmepumpensystem, das einen ersten Wärmeaustauscher (2), der in dem Prozessluftkreis angeordnet ist, um die Prozessluft zu kühlen, und einen zweiten Wärmeaustauscher (4), der in dem Prozessluftkreis angeordnet ist, um die Prozessluft zu erwärmen, umfasst,
    ein Reinigungsmittel, das dazu ausgelegt ist, dem ersten Wärmeaustauscher eine Reinigungsflüssigkeit bereitzustellen, um einen Abschnitt oder zumindest einen Abschnitt der Oberfläche des ersten Wärmeaustauschers zu reinigen, und
    einen Flüssigkeitssammler, der dem ersten Wärmeaustauscher (2) zugeordnet ist und dazu ausgelegt ist, Flüssigkeit von dem ersten Wärmeaustauscher (2) zu sammeln,
    wobei der Flüssigkeitssammler zumindest einen ersten und einen zweiten Raum (16, 18) umfasst, und
    wobei sich zumindest einer aus dem ersten Raum (16) und dem zweiten Raum (18) zumindest teilweise unter den ersten Wärmeaustauscher (2) erstreckt, wobei
    der erste Raum (16) dazu ausgelegt ist, Flüssigkeit, die durch Kondensieren an dem ersten Wärmeaustauscher (2) gebildet wird, zu sammeln, der zweite Raum (18) dazu ausgelegt ist, die Reinigungsflüssigkeit, die dem ersten Wärmeaustauscher (2) durch das Reinigungsmittel bereitgestellt wird, zu sammeln, dadurch gekennzeichnet, dass
    der erste und der zweite Raum (16, 18) voneinander getrennt sind, und
    ein Trennungsmittel so bereitgestellt ist, dass die Reinigungsflüssigkeit, die in dem zweiten Raum (18) gesammelt ist, nicht in den ersten Raum (16) fließen kann, wobei der erste und der zweite Raum (16, 18) durch das Trennungsmittel so voneinander getrennt sind, dass die Kondensatflüssigkeit und die Reinigungsflüssigkeit gesondert gesammelt werden.
  2. Trockner oder Waschtrockner nach Anspruch 1, wobei das Reinigungsmittel ein Beförderungsmittel umfasst, das dazu ausgelegt ist, die Flüssigkeit von dem ersten Raum (16) zu dem ersten Wärmeaustauscher (2) zu befördern.
  3. Trockner oder Waschtrockner nach Anspruch 1 oder 2, wobei kein Flüssigkeitsfiltermittel bereitgestellt ist, um die in dem ersten Raum (16) gesammelte Flüssigkeit zu filtern, oder wobei kein Flüssigkeitsfilter in einem Reinigungsflüssigkeitspfad zwischen dem ersten Raum (16) und dem ersten Wärmeaustauscher (2) angeordnet ist.
  4. Trockner oder Waschtrockner nach Anspruch 1, 2 oder 3, wobei zumindest einer aus dem ersten Raum (16) und dem zweiten Raum (18) zumindest teilweise unter dem zweiten Wärmeaustauscher (4) angeordnet ist.
  5. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche,
    wobei der Flüssigkeitssammler zumindest teilweise in einer Basiseinheit (6) des Trockners oder Waschtrockners angeordnet ist, oder
    wobei der Flüssigkeitssammler zumindest teilweise einstückig mit einer Basiseinheit (6) des Trockners oder Waschtrockners gebildet ist, oder wobei der erste Raum (16) und/oder der zweite Raum (18) einstückig oder monolithisch in einer Basiseinheit (6) gebildet ist.
  6. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche, wobei das Reinigungsmittel eine erste Pumpe (40) umfasst, die durch eine Steuereinheit des Trockners oder Waschtrockners gesteuert wird, um Flüssigkeit von dem ersten Raum (16) zu dem ersten Wärmeaustauscher (2) oder zu einem Zwischenbehälter (37), von dem sie zu dem Reinigungsmittel geliefert wird, zu pumpen.
  7. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche, wobei der Trockner oder Waschtrockner eine zweite Pumpe (42) umfasst, die durch eine Steuereinheit des Trockners oder Waschtrockners gesteuert wird, um Flüssigkeit von dem zweiten Raum (18) zu einem abnehmbaren Behälter (36) oder nach außerhalb des Trockners oder Waschtrockners zu pumpen.
  8. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche,
    wobei der erste Raum (16) einen ersten Sumpf (20) umfasst, der in einer Fließverbindung mit dem ersten Raum (16) steht oder einen Teil davon bildet und in einem hinteren Abschnitt des Trockner- oder Waschtrocknersockels angeordnet ist, und wobei die erste Pumpe (40) an oder in dem ersten Sumpf (20) angeordnet ist, um Flüssigkeit aus dem ersten Sumpf (20) zu pumpen, oder
    wobei der zweite Raum (18) einen zweiten Sumpf (22) umfasst, der in einer Fließverbindung mit dem zweiten Raum (18) steht oder einen Teil davon bildet und in einem hinteren Abschnitt des Trockner- oder Waschtrocknersockels angeordnet ist, und wobei die zweite Pumpe (42) an oder in dem zweiten Sumpf (22) angeordnet ist, um Flüssigkeit aus dem zweiten Sumpf (22) zu pumpen.
  9. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche,
    wobei das Reinigungsmittel dazu ausgelegt ist, die Reinigungsflüssigkeit zu einem vorderen Abschnitt oder einem Seitenabschnitt des ersten Wärmeaustauschers (2) zu liefern, oder
    wobei das Reinigungsmittel dazu ausgelegt ist, Flüssigkeit zu einer Vorderfläche (10) oder einer Seitenfläche des ersten Wärmeaustauschers (2) zu liefern.
  10. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche,
    wobei das Reinigungsmittel dazu ausgelegt ist, Flüssigkeit zu einem oberen Abschnitt der Vorderfläche (10) des ersten Wärmeaustauschers zu liefern, oder
    wobei das Reinigungsmittel dazu ausgelegt ist, Flüssigkeit senkrecht zu dem Prozessluftstrom zu der gesamten oder im Wesentlichen gesamten Vorderfläche (10) des Wärmeaustauschers (2) zu liefern.
  11. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche, wobei der erste Raum (16) zumindest teilweise unter einem mittleren und hinteren Abschnitt des ersten Wärmeaustauschers (2) angeordnet ist.
  12. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche, wobei der zweite Raum (18) zumindest teilweise unter einem vorderen Abschnitt des ersten Wärmeaustauschers (2), der durch die Reinigungsflüssigkeit gereinigt wird, angeordnet ist.
  13. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche, wobei sich der zweite Raum (18) senkrecht zu dem Prozessluftstrom über die Breite des ersten Wärmeaustauschers (2) erstreckt oder sich im Wesentlichen darüber erstreckt.
  14. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche, wobei zumindest ein Abschnitt eines aus dem ersten Raum (16) und dem zweiten Raum (18) unter dem zweiten Wärmeaustauscher (4) angeordnet ist.
  15. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche, wobei der zweite Raum (18) mittels einer Abflussleitung (34) fluidisch mit einem vorderen Abschnitt des ersten Wärmeaustauschers (2) verbunden ist, und
    zumindest ein Abschnitt der Leitung in dem ersten Raum (16) angeordnet ist,
    zumindest ein Abschnitt der Leitung an einer Seite des ersten Raums (16) angeordnet ist und diese passiert, oder
    zumindest ein Abschnitt der Leitung unter dem ersten Raum (16) angeordnet ist, so dass Flüssigkeit zu einem hinteren Abschnitt der Basiseinheit (6) befördert wird.
  16. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche, wobei das Reinigungsmittel ein Ventil umfasst, das durch eine Steuereinheit des Trockners oder Waschtrockners gesteuert wird, um selektiv Flüssigkeit
    von dem ersten Raum (16), oder
    von einem Zwischentank (37)
    zu dem ersten Wärmeaustauscher zu liefern.
  17. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche, wobei das Reinigungsmittel ein Ventil umfasst, das durch eine Steuereinheit des Trockners oder Waschtrockners gesteuert wird, um Flüssigkeit von einer Leitungswasserversorgung zu dem ersten Wärmeaustauscher (2) zu liefern.
  18. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche, wobei der Trockner oder Waschtrockner einen Flüssigkeitsdetektor zum Detektieren eines Flüssigkeitspegels in dem ersten Raum (16) umfasst, und wobei die Steuereinheit dazu ausgelegt ist, Flüssigkeit von dem Zwischentank (37), oder
    einer Leitungswasserversorgung
    zu dem ersten Raum (16) zu liefern, wenn ein Flüssigkeitspegel des Raums unter einen vorherbestimmten Mindestpegel fällt.
  19. Trockner oder Waschtrockner nach einem der vorhergehenden Ansprüche, wobei der erste und der zweite Raum (16, 18) so voneinander getrennt sind, dass keine Flüssigkeitsverbindung zwischen den Räumen besteht, und die Flüssigkeitspegel in den Räumen bei Betrieb voneinander verschieden sein können.
EP12007133.7A 2012-10-15 2012-10-15 Wärmepumpenwäschetrockner Active EP2719819B1 (de)

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CN107109765B (zh) * 2014-12-16 2020-02-18 伊莱克斯家用电器股份公司 具有热交换器和冷凝物收集器的衣物处理设备
KR101718040B1 (ko) * 2015-06-18 2017-03-20 엘지전자 주식회사 건조기능을 구비한 의류처리장치
CN107447471B (zh) * 2016-05-31 2023-07-14 无锡小天鹅电器有限公司 热泵系统的基座和用于干衣机或洗干一体机的热泵系统
DE102018116759A1 (de) * 2017-07-18 2019-01-24 Miele & Cie. Kg Bodenmodulbaugruppe für eine Wärmepumpe
KR20220114269A (ko) * 2021-02-08 2022-08-17 엘지전자 주식회사 의류처리장치
KR20220114270A (ko) * 2021-02-08 2022-08-17 엘지전자 주식회사 의류처리장치
KR20220114268A (ko) * 2021-02-08 2022-08-17 엘지전자 주식회사 의류처리장치

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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
EP1936022A1 (de) * 2006-12-22 2008-06-25 Electrolux Home Products Corporation N.V. Wäschetrockner
DE102008054832A1 (de) * 2008-12-17 2010-07-01 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung und Verfahren zum Reinigen eines in einem Prozess-luftkreislauf eines Wasch- oder Wäschetrockners angeordneten Bauteils
DE102009001548A1 (de) * 2009-03-13 2010-09-16 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrocknungsgerät mit einem innerhalb eines Prozessluftkreislaufs angeordneten Flusensieb und Verfahren zum Betreiben des Wäschetrocknungsgeräts
FR2954783B1 (fr) 2009-12-30 2011-12-23 Fagorbrandt Sas Procede de commande en fonctionnement d'une machine a secher le linge et machine a secher le linge associee.

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