EP3117036B1 - Sèche-linge équipé d'un dispositif de rinçage et d'un dispositif de dépôt de peluches ainsi que procédé pour le faire fonctionner - Google Patents

Sèche-linge équipé d'un dispositif de rinçage et d'un dispositif de dépôt de peluches ainsi que procédé pour le faire fonctionner Download PDF

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Publication number
EP3117036B1
EP3117036B1 EP15707937.7A EP15707937A EP3117036B1 EP 3117036 B1 EP3117036 B1 EP 3117036B1 EP 15707937 A EP15707937 A EP 15707937A EP 3117036 B1 EP3117036 B1 EP 3117036B1
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EP
European Patent Office
Prior art keywords
lint
dryer
filter
sensor
fill level
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.)
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Application number
EP15707937.7A
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German (de)
English (en)
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EP3117036A1 (fr
Inventor
Ralf BÖMMELS
Oliver Despang
Holger Hennig
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Priority to PL15707937T priority Critical patent/PL3117036T3/pl
Publication of EP3117036A1 publication Critical patent/EP3117036A1/fr
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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 
    • D06F58/22—Lint collecting arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/38—Time, e.g. duration
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/42—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to filters or pumps
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/58—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to condensation, e.g. condensate water level
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/58—Indications or alarms to the control system or to the user
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • 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
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/50—Responding to irregular working conditions, e.g. malfunctioning of blowers

Definitions

  • dryer used herein is not only used for laundry dryers in the true sense, but also for washer-dryer, so for combination devices, with which a washing of laundry items can be performed.
  • flufluff means any impurities which may pass from the drying chamber into the process air channel during the course of a wet laundry drying process by means of the moist, warm process air and may be deposited in the process air channel or in heat exchangers and the like. In addition to fluff in the actual sense, this includes other foreign particles such as e.g. Hair, lime and detergent residues and dust.
  • a dryer in particular in a condensation dryer, air (so-called process air) through a fan via a heater in a wet laundry containing drying chamber, usually a drum, passed.
  • process air air
  • the hot air absorbs moisture from the laundry to be dried.
  • the then moist, warm process air is led into a heat exchanger as a heat sink, where the moist, warm process air condenses out of the water is cooled.
  • the lint filter is generally preceded by a lint filter for filtering lint from the moist, warm process air stream that originates from the laundry items.
  • fluff can also be separated from the laundry items in the heat exchanger, in particular finely divided lint, if a lint filter is present which already catches the larger lint.
  • Such deposits in the heat exchanger can lead to a reduction in the efficiency of the heat exchanger.
  • an internal cleaning of the lint filter of adhering lint is therefore desirable.
  • dryers with an internal cleaning device in particular also those with a flushing device, have been developed.
  • impurities, especially lint are often collected in a cassette.
  • the cassette herein also referred to as "fluff depot" fills with lint over time. If this cassette is filled with lint, it must generally be emptied.
  • the publication DE 10 2010 039 603 A1 describes a laundry treatment appliance, comprising at least one lint filter, wherein at least one lint filter is a life lint depot. This is intended as a costly called automatic detection of the filling of a filter chamber, ie a lint, can be avoided.
  • the first lint filter is associated with a first cleaning device, which comprises a collector for a liquid, a first flushing line connected to the collector, a first control element located in this first flushing line and a first distributor connected to the first flushing line for distributing liquid conveyed through the first flushing line to the first lint filter and to receive trapped lint from the first lint filter and a first drain for discharging the liquid with the collected lint from the first lint filter to the collector.
  • a first cleaning device which comprises a collector for a liquid, a first flushing line connected to the collector, a first control element located in this first flushing line and a first distributor connected to the first flushing line for distributing liquid conveyed through the first flushing line to the first lint filter and to receive trapped lint from the first lint filter and a first drain for discharging the liquid with the collected lint from the first lint filter to the collector.
  • the publication WO 2012/022803 A1 describes a laundry treatment appliance, in particular a tumble dryer, which has a sieve receptacle for receiving a sieve, wherein the sieve receiving at least one level measuring device for measuring at least one water level is assigned to the Siebam and wherein the Siebfact is connected to a flood chamber according to the principle of communicating vessels and the at least one level measuring device is arranged and arranged for measuring at least one water level of the flood chamber.
  • the fluidic connection can be realized by a arranged in the vicinity of a bottom of the flood chamber lower passage opening.
  • a plurality of moisture sensors are at least partially disposed in the flood chamber, which respond to different levels of a liquid in the flood chamber.
  • a lint filter is located in a cup-shaped sieve receiver, wherein condensate purified in a bottom-side outlet by means of the lint filter flows into a collecting tray.
  • the publication DE 100 02 743 A1 describes a heat pump tumble dryer with a arranged in the process air circulation heat exchanger (evaporator), a condensate trap below the heat exchanger and a cleaning device for removing the adhering to the surface of the heat exchanger lint, wherein the dripping from the heat exchanger condensate and the lint removed from a removable Receiving plate of the condensate collecting device are added.
  • the cleaning device is designed as a spraying device.
  • FIG. 3 shown section of a dryer is a schematic partial view of the Heat exchanger with spray water distribution device and condensate and spray water collecting device shown, the level of the collecting container can be monitored and at a predetermined level, a display device emits a signal indicative of the state and the user to empty the collection container.
  • the publication DE 10 2008 054 832 A1 describes a device for cleaning a arranged in a process air cycle of a washer or dryer component, wherein separated from the process air condensate enters a condensate tank, from which it flows during a cleaning process as a cleaning condensate to the component, the condensate on its way to Condensate tank flows through at least one lint filter, which is arranged separately from the condensate tank and removable.
  • the lint filter has a fill level indicator and a trough conveys cleaning condensate from the component into the lint filter.
  • the publication DE 43 00 694 C2 describes a clothes dryer with a condenser and a condensate collecting tank, from which the condensate is supplied by means of a pump via a line to a removable receptacle or a surrounding tub, wherein the collecting vessel or the tub via a drain line to the condensate collecting tank is connected and provided in the drain line a discharge delay device.
  • a level controller for the prevention of condensate congestion is disclosed.
  • the invention thus relates to a dryer with a drying chamber for items to be dried, a process air duct in which a blower for the transport of process air, a heat sink, a heat source and a lint filter, a control unit, a liquid sensor, a flushing device and a collecting device for condensate and / or lint, the collecting device being designed as a lint depot with a filter which is permeable to an aqueous liquid but retaining lint and a trough for receiving the liquid passed through the filter and the trough being associated with at least one level sensor, with which an aqueous liquid which has flowed from the lint depot through the filter into the trough can be detected; Furthermore, a timing device is provided, which makes it possible to measure a time interval between a purging of a dryer component, a sensor signal of the at least one level sensor and / or a sensor signal of a Flusendepotsensors for the determination of the presence of an
  • the process air duct can be open or closed, so that the dryer according to the invention can be an exhaust air dryer or a circulating air dryer.
  • the dryer is preferably a circulating air dryer.
  • a time measuring device is provided in the dryer which makes it possible to measure a time interval between a rinsing of a dryer component to be cleaned, a sensor signal of the at least one fill level sensor and / or a sensor signal of the flow depot sensor.
  • control device is designed to measure the time interval measured by a time measuring device between a flushing of a dryer component, a sensor signal of the at least one fill level sensor and / or a sensor signal of the flow depot sensor as a measure of the degree of filling of the flood depot with lint.
  • the time interval ⁇ t SFS1 between the triggering of a rinsing step with rinsing liquid and the response of the first level sensor in the trough can be used as a measure of the filling level F of the lint.
  • the time interval .DELTA.t SF1SF2 between the response of the first level sensor and the response of the second level sensor can be used as a measure of the degree of filling F of the lint store.
  • the time interval ⁇ t FDSFS1 between the response of the flow depot sensor and the response of the first fill level sensor in the trough can also be used as a measure of the degree of filling F of the lint depot.
  • ⁇ t SFS1 , ⁇ t SF1SF2 and ⁇ t FDSFS1 increase as the fill level of the lime dump increases.
  • a relationship is generally stored for this determination between .DELTA.t SFS1 , At SF1SF2 and / or .DELTA.t FDSFS1 and the degree of filling F.
  • This relationship can also be deposited for different amounts of flushing liquid.
  • the determination of the degree of filling can be carried out in the context of a rinsing step in which comparatively much aqueous liquid is used, or else in a separate measuring step for determining the degree of filling in which, if appropriate, little aqueous liquid can be used.
  • the dryer may be a counter that counts the performed drying processes, for example the drying processes carried out after a final emptying of the river deposit. As long as the number of drying processes carried out is low, should be sufficient for the separate measuring step, but also for the rinsing step, a comparatively small amount of rinsing liquid.
  • the dryer according to the invention also makes it possible in particular to determine the absence of a lint filter and a collecting device in a dryer.
  • the control device is designed so that when measuring a time interval .DELTA.t ⁇ .DELTA.t min is closed on the absence of the lint filter.
  • .DELTA.t min is the period of time that requires a liquid used for cleaning ("rinsing liquid") from the rinsing device from the initiation of a rinsing step at least to reach after passing through an empty lint and possibly a clean lint filter a first level sensor.
  • ⁇ t and ⁇ t min may vary depending on the liquid sensors used for the determination.
  • the collecting device for condensate and / or lint is designed as a lint depot with a filter which is permeable to an aqueous liquid but can retain lint.
  • the term "Flusendepot with a filter” is hereby interpreted broadly.
  • the lint can be designed as a rigid chamber whose bottom is perforated for the passage of an aqueous liquid.
  • a rigid chamber can be arranged as a filter, a rigid filter material, for example in the form of a perforated sheet metal part or a perforated plastic part.
  • the filter is configured as a sieve or a filter bag, wherein in particular a filled with fluff filter bag for disposal from the dryer or the rigid chamber can be removed.
  • the filter may comprise a fabric, for example a fleece.
  • the lint can be releasably or permanently connected to the filter.
  • the lint depot is generally removable from the dryer. In this way, either the river depot can be emptied as such or a filter bag contained in this can be replaced.
  • the filter is also preferably a rigid filter or screen in the last embodiment.
  • the filter may also include a filter cloth held by a rigid support.
  • the fill level sensor is arranged in the trough.
  • the collecting device has a rigid, open-topped container as a flute depot, in the bottom of which and possibly in its side walls a plurality of holes are arranged, through which an aqueous liquid can flow.
  • This container may be lined on its inside with a filter fabric.
  • the holes then serve not to retain lint, but in particular a good passage for a purified rinsing liquid, e.g. purified condensate.
  • a purified rinsing liquid e.g. purified condensate.
  • the holes may be sized so that the container as such exhibits the desired filtering action.
  • the lint depot and in particular the filter are preferably at least partially antimicrobial designed to suppress the formation of microorganisms (bacteria, fungi) in the deposited lint. As a result, a possible decomposition of the lint and an associated odor development can be avoided.
  • the lint depot and filter may at least partially have a superficial coating which contains, for example, copper or silver or consists of this. Such a coating is particularly durable and antimicrobial effective.
  • the trough is arranged in the dryer below the lint.
  • the tub can be arranged for example in the bottom group of the dryer or form the bottom group. This arrangement of the tub below the lint can generally makes it possible for an aqueous Liquid in the river depot can flow through the filter into the trough solely due to the gravitational force.
  • the type and shape of the tub are not limited, as long as an aqueous liquid can be collected and then suitably removed from the tub.
  • the tub may be designed as a pure receptacle, which can be emptied at a given time, for example, by removing the tub from the dryer. Since the aqueous liquid in the trough is a filtered, relatively clean aqueous liquid, it can be used in many different ways.
  • the filtered through the filter aqueous liquid from the tub is passed into a reservoir, which is also referred to herein as a "condensate tank".
  • the tub is preferably connected via a pipe or hose line, which is also referred to herein as “condensate line”, and generally a pump, which is referred to herein as a “condensate pump” connected to the condensate tank.
  • the condensate container in particular allows a longer storage of the filtered aqueous liquid, for example, for further use in the dryer.
  • the condensate container in the dryer according to the invention serves in particular as a reservoir for an aqueous rinsing liquid as a component of a rinsing device.
  • a first fill level sensor which responds upon reaching a first fill level H 1
  • a second fill level sensor which responds upon reaching a second fill level H 2
  • H 1 ⁇ H 2 a sensor signal measured by the sensor indicates the presence of an aqueous fluid.
  • the at least one fill level sensor makes it possible for the time span required by a flushing liquid from the flushing device to reach the at least one fill level sensor to be evaluated with regard to a functioning separation of lint.
  • the time interval between a response of the first and the second level sensor with respect to the presence of aqueous liquid are measured and evaluated with regard to the degree of filling F of the lint ,
  • degree of filling is to be interpreted practically. According to the invention, it should be possible, in particular, to prevent overflow of the lint depot with liquid. In addition, a rapid flow of an aqueous liquid should be possible from the Flusendepot so that, for example, a condensate pump operated properly and a condensate tank can be filled as efficiently as possible. According to the invention, it is therefore already possible to conclude a "full" flute depot and to indicate the necessity of evacuation if the flusepepot is not completely filled with lint, but opposes a high flow resistance to the aqueous liquid.
  • a flow depot sensor for determining the presence of an aqueous liquid in the flute depot is arranged in the flume depot of the dryer.
  • a Flusendepotsensor also referred to as "case sensor”
  • case sensor is as discussed above, for example in the WO 2012/022803 A1 rubbed closer.
  • control device is designed so that upon detection of reaching a predetermined maximum degree of filling F max of the lint, or in the case of a missing lint or filter, a drying process can no longer be performed and / or a start of a new drying process is suppressed until the lagoons emptied has been.
  • the dryer component to be cleaned according to the invention is not limited. However, in particular, the heat sink and a lint filter tend to deposit lint. It is therefore preferred according to the invention for the dryer component to be cleaned to be the heat sink and / or the lint filter.
  • the lint depot is arranged below a heat sink to be cleaned (eg an air-air heat exchanger). This eliminates the need for a special channel from the heat exchanger to the lint filter. Instead, the liquid can pass directly from the heat exchanger into the lint filter.
  • the heat source and the heat sink are not limited according to the invention.
  • the heat source may be an electric heater, a fuel heater (gas, oil) or a condenser of a heat pump.
  • the dryer according to the invention also has a heat sink in which the moist, warm process air is cooled to form condensate.
  • the heat sink may be, for example, an air-to-air heat exchanger or a heat sink of a heat pump, for example an evaporator. If the heat source is an electric heater or a gas or oil heater, the heat sink is generally an air-to-air heat exchanger. If, on the other hand, a condenser of a heat pump is present as the heat source, the evaporator of the heat pump is used as the heat sink, above all.
  • the dryer has a heat pump.
  • an internal cleaning of the heat exchanger, in particular the heat sink (evaporator) makes sense, since the components of a heat pump are generally firmly connected to each other, so that the heat exchanger can not be removed for cleaning.
  • the heat pump may be a thermoelectric heat pump or, preferably, a compressor-type heat pump.
  • the heat sink is therefore preferably the evaporator of a heat pump of the compressor type.
  • a heat pump clothes dryer generally has a closed process air cycle and a heat pump cycle (also referred to herein as "refrigerant cycle").
  • a heat pump cycle also referred to herein as "refrigerant cycle”
  • the cooling of the warm, moisture-laden process air substantially takes place in the heat sink evaporator of the heat pump, where the heat transferred is used to evaporate a refrigerant circulating in the heat pump.
  • the vaporized refrigerant reaches the Compressor and from the compressor to the condenser, where it is liquefied with the release of heat.
  • the heat released heats the process air.
  • the liquefied refrigerant flows through a throttle, where its internal pressure is reduced, back to the evaporator, which closes the circuit.
  • the dryer has a display device which can display a user information about the filling of the river storage.
  • the display device may in particular be an optical and / or acoustic display device.
  • the display device may be configured to indicate to a user the actual degree of filling of the lint store with lint or to indicate to a user that the lint is to be emptied only upon detection of reaching a predetermined degree of filling F 1 of the lint.
  • the visual and / or acoustic display device can enable the user of the dryer to display eg operating parameters and / or an expected duration of the drying process.
  • the dryer according to the invention has a flushing device.
  • the rinsing device is generally designed to provide an aqueous liquid for cleaning dryer components to be cleaned.
  • this aqueous liquid also referred to herein as "rinsing liquid” in the dryer accumulating condensate, which should be as clean as possible, and / or tap water of an optionally connected external water supply.
  • a dryer is preferred in which the flushing device comprises a condensate tank which is connected to the tank via a condensate line and a condensate pump. This allows the provision of filtered condensate as a rinsing liquid.
  • the lint filter absorbs most of the lint that results from a drying process in the dryer. These fluff as well as the lint from a heat sink go into the rinsing liquid. The river depot can catch these lint. The rinsed fluff forms a relatively compact wet lump, which can generally be disposed of easily and without dust formation.
  • the flushing device allows several dryer components to be flushed with the flushing liquid at the same time or at different times.
  • the flushing device generally has different flushing lines, which can be opened and closed with controllable closure devices, generally valves.
  • controllable closure devices generally valves.
  • rinse liquid dispensers on the dryer components.
  • the invention also relates to a method of operating a dryer having a drying chamber for laundry items to be dried, a process air duct containing a blower for conveying process air, a heat sink, a heat source and a lint filter, a control unit, a liquid sensor, a flushing device and a trap for condensate and / or lint, wherein the catcher is configured as a flute depot having a filter that is permeable to an aqueous liquid but retains lint and a sump for holding the liquid left by the filter, and the sump is at least one level sensor is assigned, with which a flowed from the lint depot through the filter into the tub aqueous liquid is detectable; Furthermore, a timing device is provided, which allows a time interval between a purging of a dryer component, a sensor signal of the at least one level sensor and / or a sensor signal of a Flusendepotsensors for the determination of the presence of an aqueous liquid in
  • the time required by a rinsing liquid from the rinsing device until the at least one level sensor is reached is evaluated with regard to a functioning separation of lint, using a time-measuring device provided in the drier which allows measure a time interval between a purging of a dryer component, a sensor signal of the at least one level sensor and / or a sensor signal of a flow depot sensor arranged in the lint depot, and a control device that is designed to measure the time interval between the purging of a dryer component measured by the time-measuring device to evaluate the sensor signal of the at least one fill level sensor and / or the sensor signal of the Flusendepotsensors with regard to a functioning separation of lint.
  • a further preferred embodiment of the method makes it possible to determine the absence of the lint filter by concluding the absence of the lint filter when measuring a time interval ⁇ t ⁇ t min .
  • the dryer according to the invention also makes it possible in particular to determine the absence of a collecting device in a dryer.
  • the control device is designed so that when measuring a time interval ⁇ t ⁇ t min can be concluded not only on the absence of a lint filter, but also on the absence of a collecting device for condensate and / or lint.
  • .DELTA.t min is the period of time that requires a liquid used for cleaning ("rinsing liquid") from the rinsing device from the initiation of a rinsing step at least to reach after passing through an empty lint and possibly a clean lint filter a first level sensor.
  • ⁇ t and ⁇ t min may vary depending on the liquid sensors used for the determination.
  • the catcher is not present.
  • a missing catching device or a missing lint screen is present if the time interval for the sensor signals between the fall sensor and the first fill level sensor or between the first fill level sensor and the second fill level sensor is too small.
  • a method is preferred in which with an aqueous liquid from the flushing device, which comprises a condensate tank, which is connected via a condensate line and a condensate pump with the tub, a dryer component in The process air duct is rinsed and the aqueous liquid passing through the filter into the sump is returned to the condensate tank by means of the condensate pump in the condensate line.
  • a dryer is provided by the invention, in which a maintenance case, in particular the need for emptying a lint, in a simple and rapid manner can be determined and displayed.
  • a fluff grid is present in the process air duct.
  • it can also be determined in the case of a removable flotation depot, if the Flusendepot ever installed.
  • An internal cleaning of the dryer is particularly important in heat pump dryers of importance. The invention therefore makes possible in particular an improved operation of a dryer with a heat pump.
  • the invention makes it possible to automatically determine the point in time at which the river depot should or should be emptied, and that emptying intervals specified in a user manual need not be complied with.
  • the invention also makes it possible in a simple manner to prevent the filter chamber or the filter bag from overflowing by notifying a user of a necessary emptying or cleaning of the fluid depot, or, if such instructions are not followed, further operation of the dryer prior to such cleaning finally is no longer possible.
  • FIGS. 1 to 3.g Figure 1 shows a vertical section through a dryer, which according to a preferred embodiment is a heat pump dryer.
  • FIG. 2 schematically shows the essential parts of the dryer of the present invention of Fig. 1 ,
  • Fig. 3 shows in the case that a case sensor is present in the dryer, the relationship between the time interval of sensor signals at the case sensor and the first level sensor and the filling of the collecting device for condensate and / or lint.
  • the drier 1 comprises a drying chamber 2 (washing drum 2) designed as a rotatable drum, which receives moist laundry items 3.
  • the dryer 1 has a closed process air duct 4, in which, driven by a fan 5, a process air flow is circulated, which absorbs and removes moisture from the laundry items 3.
  • the process air is heated before it enters the drying chamber 2. After the heated process air flows around the laundry items 3 and / or flows through them, it leaves the drying chamber 2 and passes over a lint filter 12 to the evaporator 21 of the heat pump as a heat sink.
  • the lint filter 12 is cleaned by means of an aqueous liquid (also referred to herein as "rinsing liquid") from a rinsing device 11, 15, which here comprises a condensate container 11 and a lint filter cleaning device 15.
  • the flushing device thus comprises a condensate tank 11, which is connected via a condensate line 13 and a condensate pump 14 to the tub 8.
  • the rinsing liquid passes to the lint filter cleaning device 15, which makes the rinsing liquid suitable for rinsing on the lint filter 12.
  • the rinsing liquid then passes together with rinsed lint via a flushing water discharge 16 also in the collecting device 6.
  • the rinsing liquid is in this case in particular collected condensate from previous drying processes.
  • the condensate container 11 is additionally connected via a third controllable closure device 31 and a supply line 32 to an external water supply. This allows the additional or alternative use of tap water as rinse water.
  • the lint filter 12 generally can not completely absorb the fluff entrained by the process air. A finely divided proportion of lint will pass through the lint filter 12. These finely divided fluff then settle more or less completely in the evaporator 21, wherein the condensate occurring there promotes adhesion to the inner surface of the evaporator 21. These fluff can significantly affect the function of the evaporator 21, so that in particular its efficiency decreases. In addition, it should be noted that because of the required complete sealing of the refrigerant circuit 20, a removal of the evaporator 21 from the dryer 1 for the purpose of cleaning is not possible.
  • the aqueous liquid or rinsing liquid can flow through the filter 7 and into a arranged below the lint 6 bucket. 8 reach.
  • the tub 8 is here a bottom tray of the dryer.
  • the dryer 1 has a time measuring device 19, which makes it possible to measure a time interval, ie a period of time, between rinsing a dryer component 12, 21 with a rinsing liquid, sensor signals of the two fill level sensors 9 and 10 and the flow deposit sensor 30.
  • control unit 18 is configured such that the time interval measured by the time measuring device 19 between the purging of the dryer components, here the lint filter 12 and the evaporator 21, and sensor signals of the two level sensors 9, 10 and / or a sensor signal of the flow depot sensor 30 as a measure can be used for the degree of filling F of the lint 6.
  • control unit 18 is configured such that, when a predetermined maximum filling F max of the cascade depot 6 has been reached, a drying process can no longer be carried out until the cascade depot 6 has been emptied.
  • control unit 18 is designed such that, when a time interval ⁇ t ⁇ t min is measured, it is possible to conclude the absence of the lint filter 12 and / or the lint depot 6 with the filter 7.
  • the condensate tank 11 is in the embodiment shown here otherwise designed so that it can be taken out of the dryer 1, in particular after completion of a drying process to pour the liquid out of him and supply it to a suitable disposal or possibly clean it, as a gradual accumulation of extremely finely divided lint or dust in the condensate tank 11 can not be excluded.
  • a relatively clean aqueous liquid is produced, which is used to clean dryer components in the process air duct 4 or for other purposes, e.g. for ironing, can be used.
  • both the lint filter 12 and the evaporator 21 can be cleaned of lint by being flushed with flushing liquid from the condensate container 11 at the same time or individually.
  • the rinsing liquid can be, for example, fresh water from a water supply of the drier 1 and / or condensate, which is preferably stored in a condensate tank 11 for this purpose.
  • the rinsing can be done for example by a rapid emptying when the condensate tank 11 in the dryer 1 is relatively high. The condensate, etc., thus splashes on the lint filter 12 and / or the evaporator 21 and tears the lint present there, etc. with.
  • a method according to the invention can be carried out in which the time required by a rinsing liquid from the rinsing device 11, 15 to reach the at least one level sensor 9, 10 is evaluated with regard to a functioning separation of lint.
  • a time interval between a flushing of a dryer component 12,21, a sensor signal of the two level sensors 9,10 and / or a sensor signal of the Flusendepotsensors 30 are measured and then by means of the control unit 18 of the time measuring device 19 measured time interval between the flushing of a dryer component 12, 21, the sensor signal of the at least one fill level sensor 9, 10, and / or the sensor signal of the flood depot sensor 30 are evaluated with regard to the degree of filling of the flood depot 6.
  • the absence of the lint filter 12 can be concluded.
  • the dryer 1 described here enables a method for its operation, in which with an aqueous liquid from the flushing device 11,15, which comprises a condensate tank 11 which is connected via a condensate line 13 and a condensate pump 14 with the trough 8, a dryer component 12,21 is rinsed in the process air duct 4 and the passing through the filter 7 in the tub 8 aqueous liquid is conveyed by means of the condensate pump 14 in the condensate line 13 back into the condensate tank 11.
  • the flushing device 11,15 which comprises a condensate tank 11 which is connected via a condensate line 13 and a condensate pump 14 with the trough 8
  • a dryer component 12,21 is rinsed in the process air duct 4 and the passing through the filter 7 in the tub 8 aqueous liquid is conveyed by means of the condensate pump 14 in the condensate line 13 back into the condensate tank 11.
  • process air is generally circulated repeatedly through the process air duct 4 until preferably a desired degree of drying of the laundry items 3 is achieved.
  • a condensate tank 11 Shown here is part of a flushing device, a condensate tank 11, which is connected via a condensate line 13 with a trough 8, so that an entering into the tub 8 aqueous liquid can be conveyed into the condensate tank 11.
  • the condensate tank 11 is also connected via a Flusensieb Congresstechnisch 26 with a lint filter 12 and a farmssenken Introduce utilizat 29 with the evaporator 21 of a heat pump not shown here.
  • the lint filter 12 and the evaporator 21 are thus here to be cleaned dryer components.
  • the rinsing liquid used for cleaning from the condensate tank 11 finally arrives after a cleaning of one or both dryer components directly or via a rinsing water discharge 16 into the collecting device 6, which is separated from the trough 8 by a filter 7.
  • the filter 7 retains lint, but leaves the purified rinsing liquid through, which can therefore reach the condensate tank 11 via the condensate line 13.
  • Fig. 3 shows in the case that a case sensor is present in the dryer, the relationship between the time interval of sensor signals at the case sensor and the first level sensor (At FDSFS1 ) and the degree of filling of the collecting device for condensate and / or lint.
  • At FDSFS1 the first level sensor
  • the degree of filling of the collecting device for condensate and / or lint is the number of carried out after emptying the lint drainage drying processes. With increasing number of drying processes increases the filling of the catcher with lint.
  • the fluff are arranged on the filter, which separates the collecting device from an underlying trough, in which the first level sensor is arranged.
  • the time interval .DELTA.t between the sensor signals of a sensor pair increases with increasing degree of filling of the lint catcher.
  • the time interval ⁇ t FDSFS1 between the response of the flow depot sensor and the response of the first fill level sensor in the trough will also increase as a measure of the fill level F of the lint store.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Claims (15)

  1. Sèche-linge (1) avec un compartiment de séchage (2) pour du linge à sécher (3), un conduit d'air de traitement (4), dans lequel se trouvent une soufflerie (5) pour l'acheminement de l'air de traitement, un dissipateur thermique (21), une source de chaleur (23) et un tamis à peluches (12), avec une unité de commande (18), un capteur de liquide (9, 10, 30), un dispositif de rinçage (11, 15) et un dispositif de capture (6) pour un produit de condensation et/ou des peluches, dans lequel le dispositif de capture (6) est associé en tant que dépôt de peluches à un filtre (7) qui laisse passer un liquide aqueux mais retient les peluches, et à un bac (8) destiné à accueillir le liquide passé à travers le filtre (7) et au moins un capteur d'état de remplissage (9, 10) est associé au bac (8), capteur d'état de remplissage avec lequel un liquide aqueux s'écoulant à partir du dépôt de peluches (6) à travers le filtre (7) jusque dans le bac (8) est décelable, caractérisé en ce qu'est présent un dispositif de mesure de temps (19) qui permet de mesurer un écart de temps entre un rinçage d'un composant de sèche-linge (12, 21), un signal de capteur de l'au moins un capteur d'état de remplissage (9, 10) et/ou d'un signal de capteur d'un capteur de dépôt de peluches (30) pour la détermination de la présence d'un liquide aqueux dans le dépôt de peluches (6), et l'unité de commande (18) est configurée pour mesurer l'écart de temps mesuré par le dispositif de mesure de temps (19) en tant que grandeur pour le degré de remplissage F du dépôt de peluches (6).
  2. Sèche-linge (1) selon la revendication 1, caractérisé en ce que le capteur de degré de remplissage (9, 10) est disposé dans le bac (8).
  3. Sèche-linge (1) selon la revendication 2, caractérisé en ce que le bac (8) est disposé en dessous du dépôt de peluches (6).
  4. Sèche-linge (1) selon l'une des revendications précédentes, caractérisé en ce que l'au moins un capteur d'état de remplissage (9, 10) est un capteur de conductivité et/ou un capteur optique.
  5. Sèche-linge (1) selon l'une des revendications précédentes, caractérisé en ce qu'un premier capteur d'état de remplissage (9), qui réagit lorsqu'un premier état de remplissage H1 est atteint, et un deuxième capteur d'état de remplissage (10), qui réagit lorsqu'un deuxième état de remplissage H2 est atteint, sont présents, dans lequel H1 < H2.
  6. Sèche-linge (1) selon l'une des revendications précédentes, caractérisé en ce que dans le dépôt de peluches (6) est disposé un capteur de dépôt de peluches (30) pour la détermination de la présence d'un liquide aqueux dans le dépôt de peluches (6).
  7. Sèche-linge (1) selon l'une des revendications 1 à 6, caractérisé en ce que les composants de sèche-linge (12, 21) sont le dissipateur thermique (21) et/ou le tamis à peluches (12).
  8. Sèche-linge (1) selon l'une des revendications 6 et 7, caractérisé en ce que l'unité de commande (18) est configurée de sorte que lors de la mesure d'un écart de temps Δt < Δtmin on conclut à l'absence du tamis à peluches (12).
  9. Sèche-linge (1) selon l'une des revendications précédentes, caractérisé en ce que le sèche-linge (1) présente un dispositif d'affichage optique et/ou acoustique (17) qui signale, lors de la constatation qu'un degré de remplissage prédéfini F1 du dépôt de peluches (6) a été atteint, que le dépôt de peluches (6) doit être vidé.
  10. Sèche-linge (1) selon l'une des revendications précédentes, caractérisé en ce que l'unité de commande (18) est configurée de sorte que, lors de la constatation qu'un degré de remplissage maximal prédéfini Fmax du dépôt de peluches (6) a été atteint, un processus de séchage ne peut plus être exécuté et/ou un démarrage d'un nouveau processus de séchage est empêché jusqu'à ce que le dépôt de peluches (6) ait été vidé.
  11. Sèche-linge (1) selon l'une des revendications précédentes, caractérisé en ce que le dispositif de rinçage (11, 15) comprend un récipient de produit de condensation (11) qui est relié au bac (8) par l'intermédiaire d'une canalisation de produit de condensation (12) et d'une pompe à produit de condensation (14).
  12. Procédé destiné au fonctionnement d'un sèche-linge (1) avec un compartiment de séchage (2) pour du linge à sécher (3), un conduit d'air de traitement (4), dans lequel se trouvent une soufflerie (5) pour l'acheminement de l'air de traitement, un dissipateur thermique (21), une source de chaleur (23) et un tamis à peluches (12), avec une unité de commande (18), un capteur de liquide (9, 10, 30), un dispositif de rinçage (11, 15) et un dispositif de capture (6) pour un produit de condensation et/ou des peluches, dans lequel le dispositif de capture (6) est associé en tant que dépôt de peluches à un filtre (7) qui laisse passer un liquide aqueux mais retient les peluches, et à un bac (8) destiné à accueillir le liquide passé à travers le filtre (7) et au moins un capteur d'état de remplissage (9, 10) est associé au bac (8), capteur d'état de remplissage avec lequel un liquide aqueux s'écoulant à partir du dépôt de peluches (6) à travers le filtre (7) jusque dans le bac (8) est décelable, caractérisé en ce qu'est présent un dispositif de mesure de temps (19) qui permet de mesurer un écart de temps entre un rinçage d'un composant de sèche-linge (12, 21), un signal de capteur de l'au moins un capteur d'état de remplissage (9, 10) et/ou d'un signal de capteur d'un capteur de dépôt de peluches (30) pour la détermination de la présence d'un liquide aqueux dans le dépôt de peluches (6) en tant que grandeur pour le degré de remplissage F du dépôt de peluches (6), dans lequel un laps de temps nécessaire au liquide de rinçage à partir du dispositif de rinçage (11, 15) jusqu'à ce que l'au moins un capteur d'état de remplissage (9, 10) soit atteint est analysé dans l'optique d'une séparation des peluches qui fonctionne.
  13. Procédé selon la revendication 12, caractérisé en ce que le laps de temps nécessaire au liquide de rinçage est analysé en utilisant le dispositif de mesure de temps (19) et un dispositif de commande (18) qui est configuré pour analyser l'écart de temps mesuré par le dispositif de mesure de temps (19) dans l'optique d'une séparation de dépôts qui fonctionne.
  14. Procédé selon l'une des revendications 12 et 13, caractérisé en ce que lors de la mesure d'un écart de temps Δt < Δtmin on conclut à l'absence du tamis à peluches (12).
  15. Procédé selon l'une des revendications 12 à 14, caractérisé en ce que, avec un liquide aqueux en provenance du dispositif de rinçage (11, 15), qui comprend un récipient de produit de condensation (11), qui est relié au bac (8) par l'intermédiaire d'une canalisation de produit de condensation (13) et d'une pompe à produit de condensation (14), un composant de sèche-linge (12, 21) est rincé dans le conduit d'air de traitement (4) et le liquide aqueux accédant au bac (8) par le biais du filtre (7) est réacheminé dans le récipient de produit de condensation (11) au moyen de la pompe à produit de condensation (14) dans une conduite de produit de condensation (13).
EP15707937.7A 2014-03-10 2015-03-03 Sèche-linge équipé d'un dispositif de rinçage et d'un dispositif de dépôt de peluches ainsi que procédé pour le faire fonctionner Active EP3117036B1 (fr)

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PL15707937T PL3117036T3 (pl) 2014-03-10 2015-03-03 Suszarka z urządzeniem do przepłukiwania i zbiornik na kłaczki, oraz sposób jej eksploatacji

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DE102014204298.4A DE102014204298A1 (de) 2014-03-10 2014-03-10 Trockner mit Spülvorrichtung und Flusendepot sowie Verfahren zu dessen Betrieb
PCT/EP2015/054449 WO2015135801A1 (fr) 2014-03-10 2015-03-03 Sèche-linge équipé d'un dispositif de rinçage et d'un dispositif de dépôt de peluches ainsi que procédé pour le faire fonctionner

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DE102015223192A1 (de) 2015-11-24 2017-05-24 BSH Hausgeräte GmbH Betreiben eines Wäschetrocknungsgeräts mit einem Flusensieb und einer Flusenfalle
CN106480676B (zh) * 2016-10-28 2019-07-19 无锡小天鹅股份有限公司 干衣机和用于干衣机的蒸发器组件
CN109518408B (zh) * 2017-09-18 2022-05-13 青岛海尔洗涤电器有限公司 一种衣物洗干一体机及其控制方法
CN109518406B (zh) * 2017-09-18 2021-11-16 青岛海尔洗涤电器有限公司 一种衣物洗干一体机及其控制方法
CN109518407A (zh) * 2017-09-18 2019-03-26 青岛海尔滚筒洗衣机有限公司 一种衣物洗干一体机及其控制方法
CN109518409B (zh) * 2017-09-18 2021-12-14 青岛海尔洗涤电器有限公司 一种衣物洗干一体机及其控制方法
CN109518405B (zh) * 2017-09-18 2022-07-12 佛山海尔滚筒洗衣机有限公司 一种洗衣干衣系统及其控制方法
CN110055710A (zh) * 2018-01-18 2019-07-26 青岛海尔滚筒洗衣机有限公司 一种衣物洗干一体机
CN110055712A (zh) * 2018-01-18 2019-07-26 青岛海尔滚筒洗衣机有限公司 一种衣物洗干一体机
WO2019141065A1 (fr) * 2018-01-18 2019-07-25 青岛海尔滚筒洗衣机有限公司 Lave-linge sèche-linge intégré
CN110055709A (zh) * 2018-01-18 2019-07-26 青岛海尔滚筒洗衣机有限公司 一种衣物洗干一体机
CN110055708A (zh) * 2018-01-18 2019-07-26 青岛海尔滚筒洗衣机有限公司 一种衣物洗干一体机
WO2019141083A1 (fr) * 2018-01-18 2019-07-25 青岛海尔滚筒洗衣机有限公司 Unité de condensation et machine lave-linge et sèche-linge tout-en-un comprenant celle-ci
JP7207649B2 (ja) * 2018-11-19 2023-01-18 青島海爾洗衣机有限公司 洗濯乾燥機
EP3983600B1 (fr) * 2019-06-14 2024-06-26 Arçelik Anonim Sirketi Machine à laver comprenant un élément de filtration

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CN106103833A (zh) 2016-11-09
EP3117036A1 (fr) 2017-01-18
PL3117036T3 (pl) 2018-05-30
CN106103833B (zh) 2018-04-06
WO2015135801A1 (fr) 2015-09-17

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