EP3405610A1 - Verfahren zum betrieb eines trockners mit einer wärmepumpe und spülung eines wärmetauschers und hierfür geeigneter trockner - Google Patents
Verfahren zum betrieb eines trockners mit einer wärmepumpe und spülung eines wärmetauschers und hierfür geeigneter trocknerInfo
- Publication number
- EP3405610A1 EP3405610A1 EP16781825.1A EP16781825A EP3405610A1 EP 3405610 A1 EP3405610 A1 EP 3405610A1 EP 16781825 A EP16781825 A EP 16781825A EP 3405610 A1 EP3405610 A1 EP 3405610A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- condensate
- heat exchanger
- heat
- flushing
- drying
- 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.)
- Granted
Links
Classifications
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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
- D06F58/206—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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or 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
- 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
- D06F2105/26—Heat 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/50—Starting machine operation, e.g. delayed start or re-start after power cut
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/62—Stopping or disabling machine operation
-
- 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
- D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air
-
- 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
-
- 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
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
- D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
Definitions
- the invention relates to a method for operating a dryer with a heat pump and internal flushing of at least one heat exchanger and a suitable dryer for carrying out this method.
- the invention relates in particular to a method for operating a dryer with a heat pump and internal flushing of at least one heat exchanger, wherein the dryer comprises a drum for holding wet laundry, a heat pump having a heat sink and a heat source, a condensate pan, a condensate tank, a condensate pump as a heat exchanger Conveying an aqueous liquid from the condensate tray to the condensate container, a flushing device connected to the condensate container for at least one of the heat exchangers, a fan for conveying process air in a process air channel and a control device.
- the invention also relates to a dryer suitable for carrying out this process.
- a dryer air by a fan via a heater in a moist objects containing drying chamber, usually a drum, passed.
- the hot air absorbs moisture from the objects to be dried.
- the then moist process air is passed into a heat exchanger, which can be preceded by a filter, in particular a lint filter, for filtering out dirt particles, in particular fluff in the case of a tumble dryer or washer-dryer.
- the resulting in the heat exchanger condensate is usually collected in a condensate pan and forwarded to a condensate tank for disposal.
- a condensation dryer hereinafter referred to as "dryer”.
- the heat- The pump can serve to extract heat from the process air flowing from the moist objects, which is supplied by a corresponding heat sink, and to conduct this heat by means of a suitable pumping device to a heat source from which it reaches the process air before it reaches the objects to be dried applied.
- heat can also be taken from the surroundings of the dryer by means of the heat sink and fed to the process air via the heat source.
- the warm, moisture-laden process air is cooled essentially in a heat pump evaporator of the heat pump, where the heat transferred to the heat exchanger Evaporating a refrigerant circulating in the heat pump is used to vaporize and compress the vaporized refrigerant, and the refrigerant circulating in the refrigerant circuit is driven by the compressor so that the compressor supplies the energy needed to operate the pumping process
- the liquefied refrigerant flows through a restrictor, where its internal pressure is reduced, back to the evaporator, which closes the circuitValve, orifice or capillary.
- the heat pump cycle is operated capillary tube controlled.
- the condensed water is then generally collected in a suitable container.
- the heat exchanger In dryers, the heat exchanger is often removable, especially if it is designed as an air-to-air heat exchanger. In these cases, it can be removed for cleaning and, after removal of adhering lint, for example by rinsing with water, be re-used in the dryer.
- a heat sink of a heat pump is used as the heat exchanger, since the components of a heat pump in a dryer are usually firmly connected to each other.
- the publication EP 2 134 896 B1 describes a method for cleaning a arranged within a process air cycle of a washer or dryer component, in particular an evaporator of a condenser device by means of condensate, which recovered in the process air cycle from the drying of wet laundry and collected in a condensate water tank is passed, from which it is provided to a above the evaporator rinse tank and discharged from the outlet side of the relevant evaporator, wherein the condensate is discharged from the rinse tank by its sudden opening on the outlet side as a surge of water to the relevant component.
- the washing container is in particular connected to the condensate water tank by means of a pump.
- the publication DE 10 2008 006 347 A1 describes a condensation dryer with a drying chamber for objects to be dried, a process air duct in which a heating for heating the process air, a heat exchanger for cooling the process air after passing through the drying chamber and a blower for the transport of the Process air is located, and a controller, wherein it has first means for detecting a need for cleaning the heat exchanger.
- the publication DE 10 2012 209 826 A1 describes a condensation dryer with a drying chamber for laundry items to be dried, a process air channel in which a heater for heating the process air, a heat exchanger for cooling the process air after passing through the drying chamber and a fan for the conveying of the process air, a control device, a condensate tray and a pump driven by an electric motor for conveying an aqueous liquid originating from the condensate tray, wherein the electric motor used to operate the pump is a BLDC motor.
- a cleaning method adaptable to the degree of soiling would be desirable, in particular one in which rinsing with an aqueous liquid is improved.
- the invention thus relates to a method for operating a dryer with a heat pump and internal flushing of at least one heat exchanger, wherein the dryer comprises a drum for holding moist laundry items, a heat pump having a heat sink and a heat source, a condensate tray, a condensate tank, a condensate pump for conveying an aqueous liquid from the condensate pan to the condensate tank, one with the condensate tank a connected flushing device for at least one of the heat exchangers, a blower for conveying process air in a process air duct, a control device and a counting device for registering a number of executed drying programs, wherein the counting device can detect at least one count n, with i> 1, comprising the steps
- step (c3) takes place with the blower on.
- a dryer according to the present invention is a dryer itself or a washer-dryer, so a device that can be used both for washing and for drying laundry items.
- drying program and “drying process” are used synonymously.
- a condensate tray is understood to mean, in particular, a three-dimensional body which is located below the evaporator and which can collect condensate accumulating during the heat exchange with the moist, warm process air in the process air channel.
- the condensate tray is generally located in the floor assembly.
- the heat pump has two heat exchangers, namely a heat sink and a heat source, and additionally a pumping device which pumps heat energy from the heat sink to the heat source. In the heat sink, the process air used in the drying process is deprived of heat energy; in the heat source of this process air heat energy is supplied.
- the pumping means is a circuit in which a working fluid, commonly referred to as refrigerant, is driven by a compressor between the heat source and the heat sink.
- a working fluid commonly referred to as refrigerant
- the working fluid In the heat source, which flows the working fluid supplied by the compressor in a gaseous state, the working fluid is liquefied and thereby releases heat energy.
- the liquid working fluid passes through an expansion device, which reduces its internal pressure, in particular an expansion valve, wherein the working fluid is partially liquefied, the heat sink, in which it evaporates by absorbing heat energy.
- the vaporized working fluid then returns to the compressor and is compressed, which has closed its cycle.
- This particular embodiment of a heat pump is known as a compressor heat pump;
- heat pumps especially those based on the application of the Peltier effect or in which a cyclically compressed and decompressed gas circulates, such as Stirling and Vuilleumier heat pumps.
- a condensate container is generally understood to mean a vessel into which the condensate initially collected in the condensate tray is transported for collection, in particular for intermediate storage, before being used again for cleaning, in particular flushing of heat exchangers.
- the condensate tank is generally arranged above the condensate tray.
- an aqueous liquid in particular condensate
- a condensate pump is located in a condensate channel between the condensate tray and the condensate tray.
- this condensate pump can be one with a constant delivery rate during operation or else a variable delivery rate condensate pump.
- the amount M of aqueous liquid which is conveyed during the drying program from the condensate tray into the condensate container, ie pumped, is determined in step (c1).
- this amount can be determined by counting, for example, the number of pumping operations at a known flow rate of the condensation pump. To achieve the set M set , a certain number of pumping operations are required, for which:
- Number of required pumping cycles required flushing water volume M set / per pump cycle pumped water volume (condensate volume)
- Required pumping time required flushing water quantity M set / pumping rate of the pump.
- a pump with variable capacity can also be used.
- a BLDC motor can be used to operate the pump for a variable capacity.
- An existing BLDC motor can also be used as part of a flushing device.
- the BLDC motor can be used by suitable use of multi-way valves both between flushing device and heat exchanger as well as between condensate pan and condensate tank.
- the speed of the BLDC motor used and thus the operation of the flushing device can then be varied during the process according to the invention.
- the use of a water meter or flow meter is possible with the directly transported into the condensate tank amount of aqueous liquid can be determined. Preferably, their count is reset to zero after each drying program carried out.
- the heat exchanger to be cleaned can be cleaned with an aqueous liquid which originates in particular from the condensate tray.
- condensate or a "derived from the condensate pan aqueous liquid" which may also be a mixture of condensate with tap water and / or
- condensate per se or a mixture of condensate with an aqueous liquid supplied to the dryer from outside the dryer, for example from an external water supply, in particular tap water can be used as the rinsing liquid.
- the amount of aqueous liquid required for rinsing can be provided internally
- additives such as other solvents (for example alcohols) or surface-active reagents can be added to the rinsing liquid
- a sensor for the state of purity of the condensate is present in the condensate channel Too high a proportion of impurities, such as fluff, an amount corresponding to this proportion of tap water for dilution is added to the condensate before it is used as flushing fluid in the context of the invention.
- the condensate on reaching an upper limit A in the amount of impurities is discarded.
- water can be supplied from an external water supply or the rinsing liquid can be disposed of.
- the quality of the aqueous liquid to be used is monitored by means of a suitable sensor, for example an optical sensor such as a turbidity sensor.
- a user can optionally be sent a request for filling or dilution of the rinsing liquid with tap water via an optional display device.
- the rinsing liquid is passed into the heat exchanger, then collected in a condensate tray and then pumped again into the condensate container.
- it may be predetermined that such a cycle is run through more than once, so that, for example, a cycle of the rinsing liquid results for a given period of time.
- the user in the embodiment of the dryer with a removable condensate container can manually dispose of the rinsing liquid by removing and emptying the condensate container.
- the rinsing liquid can be automatically disposed of, for example via a drain hose from the dryer. It is possible that the rinsing liquid is pumped out of the condensate pan directly through a suitable pump to the outside of the dryer and disposed of.
- the flushing device may in particular be arranged between the drum and the heat exchanger, or else between the heat exchangers of the heat sink and the heat source.
- the flushing device can thus be assigned to a specific heat exchanger.
- the flushing device is preferably arranged between the drum and the heat sink, in particular also in a preferred method for flushing at least one heat exchanger of a heat pump.
- step (c3) the heat sink is flushed, wherein in the control device for the amount M set an intended for flushing of the heat sink amount M set E of aqueous liquid in the controller deposited.
- the heat source is purged in step (c3), wherein in the control device for the set M set is provided for flushing the heat source amount M set c of aqueous liquid in the control device.
- the heat sink is flushed simultaneously with M set c> M set E, and wherein M set E a is provided for flushing of the heat sink amount M set E of aqueous liquid.
- the count n preferably includes a number n- ⁇ of carried out after a final rinse of the heat sink drying processes.
- a method is particularly preferred in which the counting device can detect at least two counter readings n, with i> 2, wherein a first counter reading stood ⁇ - ⁇ indicating the number of carried out after a final rinse of the heat sink drying processes and a second count n 2 is the number of carried out after a final rinse of the heat source drying processes.
- n set is preferably in the range of 30 to 70, more preferably in the range of 40 to 60. This value will generally depend on the amount of dried laundry and whether the heat exchanger is a heat sink or a heat source. The heat sink is generally more likely to be cleaned.
- the flushing in step (c3) according to the invention is carried out when the blower is switched on.
- the flushing device is arranged between the drum and the heat sink and, in particular, the heat source which is further away from the flushing device is to be flushed.
- the cleaning or flushing of the heat exchanger or exchangers can for example be done by only one outlet of the condensate container, e.g. a valve is opened between the condensate tank and the heat exchanger, so that the flushing liquid acts on the heat exchanger due to gravity and preferably conveyed by the fan.
- the flushing device thus consists essentially of the outlet and the line between condensate tank and heat exchanger, which can also be referred to as a condensate line simplifying here.
- a flushing pump variable.
- a variable power rinse pump for example, as already described above, one which is driven by a BLDC motor can be used.
- the use of a BLDC motor as a drive motor for the pump allows a change in the speed in a simple manner and in particular a high speed, so that for the flushing of a heat exchanger, a particularly strong liquid jet can be generated.
- a BLDC motor By using a BLDC motor, a very flexible and efficient implementation of the method according to the invention is possible.
- step (c3) and (c4) are not carried out, but instead step (d) carried out.
- the counting device has a count n 3 for the number ri
- step (d) not all condensate accumulating in the condensate tray is conveyed into the condensate container so that at the beginning of a next drying process the condensate tray is still watery.
- aqueous liquid ie in particular condensate
- aqueous liquid for rinsing is provided more rapidly. This procedure takes into account that when operating the dryer, the condensate container after a drying process is generally emptied by a user of the dryer.
- the condensate tank is to be filled with aqueous liquid to carry out a purge of the heat exchanger.
- markings may be provided in the condensate tank, which indicate to a user at which liquid level in the condensate tank, for example, the amount required for flushing the heat sink M set E is present, or required for flushing the heat source amount M set c is present.
- the invention also relates to a dryer comprising a drum for holding moist laundry items, a heat pump having as heat exchanger a heat sink and a heat source, a condensate tray, a condensate container, a condensate pump for conveying an aqueous liquid from the condensate pan to the condensate tank, a flushing device connected to the condensate tank for at least one of the heat exchangers, a blower for conveying process air in a process air duct, a control device, and a counting device for registering a number of drying programs carried out; wherein the counting device can detect at least one count n, with i> 1, characterized in that the control device is set up for carrying out a method, comprising the steps
- step (c3) the flushing is done with the fan on.
- the condensate tank can be fixed or removable installed in the condensation dryer. If the condensate container is removable, a user of the dryer can easily dispose of the used, i. with a large amount of lint etc. contaminated, dispose of rinse liquid. Otherwise, an excessively dirty rinse liquid should be pumped out of the dryer by a suitable device. This can be done for example by means of a pump directly or via the condensate tray.
- the dryer according to the invention can be configured as an exhaust air dryer or as a circulating air dryer.
- a recirculating air dryer the process air is circulated in a closed loop run.
- the process air is fed as so-called supply air from a supply air access to the drum and passed after leaving the drum and passage through the heat exchanger as exhaust air to an exhaust outlet.
- an additional electric heater may be present in the dryer according to the invention. If the dryer comprises an additional electric heater in one embodiment, a faster heating of the process air and thus a faster drying process in the dryer are possible. However, this would potentially affect a potential energy saving due to the use of a heat pump.
- the dryer of the invention preferably also comprises an optical and / or acoustic display device which allows the user of the dryer to view e.g. Operating parameters and / or an expected duration of the drying process allows. For this purpose, an optical display device is preferably used.
- the display device can give information about the operation of the dryer, for example, by the output of a text or by lighting different colored light emitting diodes, for example via the course of a method according to the invention and / or the display of a cleaning requirement.
- a display device indicates whether the flushing of a heat exchanger is recommended or even required.
- it can also be displayed whether flushing of a heat exchanger is currently being carried out, it being possible for different flushings to be carried out for the flushing of different heat exchangers.
- different light-emitting diodes and / or different colors can be used for the heat sink and the heat source.
- the dryer generally has a nozzle as part of the flushing device, since the flushing liquid is generally conducted via a suitable nozzle onto the heat exchanger to be cleaned of the dryer.
- a nozzle can extend over the entire width of a heat exchanger and, for example, have a length of 200 mm with a 2 mm wide nozzle gap. It is also possible to use significantly smaller nozzles, for example with a circular outlet opening with a diameter of a few mm, in particular less than 2 mm.
- the invention has the advantage that in a heat pump dryer in which heat sink or heat source can not be removed for cleaning, an efficient cleaning can be carried out. Since the invention enables automatic, regular, customized to the needs of cleaning a heat exchanger, a dryer with improved efficiency and a significantly reduced susceptibility is possible.
- the heat exchanger can be easily and conveniently cleaned even without mechanical intervention in the device. No brushes, filters or brushes are needed for cleaning.
- the invention enables a user convenient, because automatic internal cleaning of the heat exchanger equipped with a heat pump dryer, in particular also the heat source. This prevents unnecessary rinsing attempts due to insufficient rinsing fluid and therefore unnecessary energy consumption.
- a cleaning can be variably adjusted to a cleaning requirement or soiling state of each respective heat exchanger, both in terms of the frequency and the intensity of the cleaning.
- the figure shows a vertical section through an embodiment of a dryer, which is designed as a circulating air dryer with a compressor heat pump, comprising a heat source in the form of a condenser and a heat sink in the form of an evaporator.
- the long arrows indicate the flow direction of the process air.
- the short arrows with unfilled arrowhead indicate the flow direction of the refrigerant of the heat pump.
- the dryer 1 shown in the figure comprises a rotatable about a horizontal axis drum 3 as a drying chamber for receiving wet laundry items, not shown here, and a heat pump 4, 5, 13, 14, comprising an evaporator 4, a condenser 5, a compressor 13th and a throttle valve 14.
- clothes hammers 25 are mounted for moving laundry during a drum rotation.
- the process air is passed through the drum 3 in the process air duct 2 by means of a blower 6.
- a blower 6 in addition to heating, the Zess Kunststoff by the heat pump and the heating of the process air by an electric heater 21 possible, which can be switched on, for example, for a particularly rapid heating of the process air.
- the heated air is passed from behind, ie, from the side of the drum 3 opposite the door 22 closing the filling opening, through the perforated base into the drum 3.
- the heated process air thus passes into the drum 3, where moisture is removed from the moist laundry items, not shown in the figure.
- a refrigerant circulating in the heat pump circuit 4, 5, 13, 14 is vaporized and fed via a compressor 13 to the condenser 5, where the refrigerant returns to the liquid state with heat release from the cooled and dehumidified process air flowing in the process air duct 2.
- the liquid present in liquid form is passed via a throttle valve 14 in turn to the evaporator 4, whereby the refrigerant circuit is closed.
- the condensate tray 7 is connected via a condensate channel 23 with the condensate tank 8, in which the rinsing liquid is kept ready for the flushing of the heat exchanger.
- a condensate pump 9 for conveying an aqueous liquid 12 from the condensate tray 7 to the condensate container 8.
- the control of dryer 1 via a control device 10, which can be controlled by the user via an operating unit 24.
- the dryer 1 also has a counting device 11 for registering a number of drying programs carried out.
- the flushing device 15 For flushing the heat exchanger 4,5 is a purge device 15, which is connected to the condensate tank 8.
- the flushing device 15 comprises, in particular, an outlet from the condensate tank 8, a variable-displacement flushing pump 19, which is driven here by a BLDC motor 20, and a channel, also denoted here as a condensate channel 23, at its end in front of the evaporator 4 is arranged a nozzle, not shown here. Flushing pump 19 and the nozzle allow a particularly efficient flushing not only of evaporator 4 but also of condenser. 5
- a lack of available for flushing condensate can be compensated, for example, by a user refills water in the condensate tank. Not shown here, but also an external water supply can be connected. This allows a mixture of condensate with tap water to possibly achieve a desired low impurity level in the rinse liquid 12.
- the used rinsing liquid 12 (condensate used for cleaning, possibly diluted with tap water) can, if required due to the contamination, by manually emptying the condensate tank or possibly via a line not shown to be disposed of outside the unit.
- the flushing device 15 is arranged between the drum 3 and the evaporator 4.
- the dryer is suitable for carrying out the method disclosed herein, wherein in particular the control device 10 is set up for carrying out a method comprising the steps
- step (c3) the flushing is done with the fan 6 on.
- the flushing device 15 is further away from the condenser 5 than from the evaporator 4. Therefore, for a flushing of evaporator or condenser: M set c > M set E.
- the blower 6 is operated simultaneously, in particular during the flushing of condenser 5. If the blower 6 is a variable-performance blower, the blower 6 is preferably operated at a higher power during the purging of the liquefier than during the purging of the evaporator.
- the cached condensate as flushing fluid 12 by means of the pump (“flushing pump") 9 for cleaning lint, etc. passed through the evaporator 4 and possibly the condenser 5 and finally passes into the condensate pan 7.
- the rinsing liquid 12 can be pumped by means of the pump 9 via the condensate channel 23 back into the condensate tank 8. This cycle is repeated several times until a desired cleaning is achieved.
- the drum 3 is mounted in the embodiment shown in Figure at the rear bottom by means of a pivot bearing and front by means of a bearing plate 26, wherein the drum 3 rests with a brim on a sliding strip 27 on the bearing plate 26 and is held at the front end.
- the fan 6 and the drum 3 are driven by a common drive motor 18.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL16781825T PL3405610T3 (pl) | 2016-01-21 | 2016-10-17 | Sposób użytkowania suszarki z pompą ciepła i płukania wymiennika ciepła i odpowiednia do niego suszarka |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016200845.5A DE102016200845A1 (de) | 2016-01-21 | 2016-01-21 | Verfahren zum Betrieb eines Trockners mit einer Wärmepumpe und Spülung eines Wärmetauschers und hierfür geeigneter Trockner |
| PCT/EP2016/074868 WO2017125172A1 (de) | 2016-01-21 | 2016-10-17 | Verfahren zum betrieb eines trockners mit einer wärmepumpe und spülung eines wärmetauschers und hierfür geeigneter trockner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3405610A1 true EP3405610A1 (de) | 2018-11-28 |
| EP3405610B1 EP3405610B1 (de) | 2020-01-08 |
Family
ID=57136914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16781825.1A Active EP3405610B1 (de) | 2016-01-21 | 2016-10-17 | Verfahren zum betrieb eines trockners mit einer wärmepumpe und spülung eines wärmetauschers und hierfür geeigneter trockner |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3405610B1 (de) |
| CN (1) | CN108603328B (de) |
| DE (1) | DE102016200845A1 (de) |
| PL (1) | PL3405610T3 (de) |
| WO (1) | WO2017125172A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018202379A1 (de) | 2018-02-16 | 2019-08-22 | BSH Hausgeräte GmbH | Gerät zum Trocknen von Wäsche und Verfahren zum Betreiben eines solchen Geräts |
| DE102018202385B4 (de) | 2018-02-16 | 2023-03-02 | BSH Hausgeräte GmbH | Gerät zum Trocknen von Wäsche und Verfahren zum Betreiben eines solchen Geräts |
| WO2020015914A1 (en) * | 2018-07-19 | 2020-01-23 | Arcelik Anonim Sirketi | Steam sprayer |
| KR102742785B1 (ko) * | 2019-07-18 | 2024-12-12 | 엘지전자 주식회사 | 의류 처리장치 및 이의 자동 세척운전 제어방법 |
| KR102747941B1 (ko) * | 2019-07-19 | 2024-12-31 | 엘지전자 주식회사 | 의류처리장치 |
| KR102819749B1 (ko) * | 2020-02-06 | 2025-06-11 | 엘지전자 주식회사 | 건조기 |
| EP4324977B1 (de) * | 2022-08-17 | 2025-04-23 | BSH Hausgeräte GmbH | Verfahren zum betrieb einer trocknungsvorrichtung mit einer wärmepumpe und einer reinigungsvorrichtung |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007016074A1 (de) | 2007-04-03 | 2008-10-09 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren und Vorrichtung zum Reinigen eines Bauteiles, insbesondere eines Verdampfers einer Kondensatoreinrichtung sowie Wasch- oder Wäschetrockner mit einer solchen Vorrichtung |
| DE102008006349A1 (de) * | 2008-01-28 | 2009-07-30 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit Kondensatwanne und -behälter sowie Verfahren zu seinem Betrieb |
| DE102008006347A1 (de) * | 2008-01-28 | 2009-07-30 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner sowie Verfahren zu seinem Betrieb |
| 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 |
| DE102010029892A1 (de) * | 2010-06-09 | 2011-12-15 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit integrierter Wärmetauscherreinigung sowie Verfahren zu seinem Betrieb |
| DE102010031265A1 (de) * | 2010-07-13 | 2012-01-19 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zum Betreiben eines Kondensationstrockners mit einer internen Reinigung sowie Kondensationstrockner hierzu |
| RU2533712C1 (ru) * | 2011-03-29 | 2014-11-20 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Устройство обработки одежды, содержащее устройство очистки теплообменника |
| DE102012209826A1 (de) * | 2012-06-12 | 2013-12-12 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einer Pumpe sowie Verfahren zu seinem Betrieb |
| CN105229218B (zh) * | 2013-05-24 | 2019-04-05 | 伊莱克斯家用电器股份公司 | 衣物干燥机和用于运行衣物干燥机的方法 |
-
2016
- 2016-01-21 DE DE102016200845.5A patent/DE102016200845A1/de not_active Withdrawn
- 2016-10-17 CN CN201680079760.3A patent/CN108603328B/zh active Active
- 2016-10-17 EP EP16781825.1A patent/EP3405610B1/de active Active
- 2016-10-17 WO PCT/EP2016/074868 patent/WO2017125172A1/de not_active Ceased
- 2016-10-17 PL PL16781825T patent/PL3405610T3/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP3405610B1 (de) | 2020-01-08 |
| CN108603328A (zh) | 2018-09-28 |
| PL3405610T3 (pl) | 2020-07-27 |
| WO2017125172A1 (de) | 2017-07-27 |
| DE102016200845A1 (de) | 2017-07-27 |
| CN108603328B (zh) | 2020-08-28 |
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