EP2341181B1 - Steuerverfahren eines laufenden Wäschetrockners mit Wärmepumpe, und entsprechender Wäschetrockner mit Wärmepumpe - Google Patents

Steuerverfahren eines laufenden Wäschetrockners mit Wärmepumpe, und entsprechender Wäschetrockner mit Wärmepumpe Download PDF

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Publication number
EP2341181B1
EP2341181B1 EP10196505A EP10196505A EP2341181B1 EP 2341181 B1 EP2341181 B1 EP 2341181B1 EP 10196505 A EP10196505 A EP 10196505A EP 10196505 A EP10196505 A EP 10196505A EP 2341181 B1 EP2341181 B1 EP 2341181B1
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Prior art keywords
circuit
drying
drying air
air
steam
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EP10196505A
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English (en)
French (fr)
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EP2341181A1 (de
Inventor
Essaïd RAOUI
Thierry Desmaillet
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FagorBrandt SAS
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FagorBrandt SAS
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Priority to PL10196505T priority Critical patent/PL2341181T3/pl
Publication of EP2341181A1 publication Critical patent/EP2341181A1/de
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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

Definitions

  • the present invention relates to a method of operating control of a heat pump laundry machine having a steam introduction into a drying air circuit during the implementation of a laundry drying cycle. .
  • the present invention relates to the field of heat pump systems for saving the energy required to implement a laundry drying cycle in a clothes drying machine and aims at reducing the operating time. the laundry drying cycle.
  • heat pump clothes drying machines comprising a body enclosing a drum, said drum being rotated by a motor and traversed by drying air from a drying air circuit, said drying air circuit comprising at least one fan.
  • These clothes drying machines also comprise a refrigeration circuit, said refrigeration circuit comprising at least: a compressor, a condenser, an expansion valve and an evaporator.
  • This phase of increasing the air temperature of the drying air circuit and refrigerant of the refrigeration circuit of a laundry drying cycle implemented by a conventional heat pump drying machine may represent 30 % of the total duration of the laundry drying cycle for a standard load of 3kg.
  • the present invention aims to solve the aforementioned drawbacks and to provide a control method in operation of a heat pump laundry machine for rapidly increasing the temperature of the drying air and the temperature of the refrigerant of the refrigeration circuit and to reduce the duration of a laundry drying cycle and an associated heat pump laundry machine.
  • the present invention aims, in a first aspect, a control method in operation of a heat pump laundry machine comprising a body enclosing a drum, said drum being rotated by a motor and traversed by drying air from a drying air circuit, said dryer air circuit including at least one fan, and said drum being integral with said dryer air circuit, said dryer machine laundry also comprising a refrigeration circuit, said refrigeration circuit comprising at least: a compressor, a condenser, an expansion element and an evaporator.
  • said method comprises a phase for raising the temperature of the air of said drying air circuit and the refrigerant of said refrigeration circuit of a laundry drying cycle with the introduction of steam into said air circuit. drying, said vapor being produced by a steam generator.
  • the duration of a laundry drying cycle carried out according to the control method of a heat pump laundry machine according to the invention is reduced, and in particular the duration of the phase. air temperature rise of the drying air circuit and refrigerant of the refrigeration circuit of a laundry drying cycle is reduced.
  • the control method according to the invention makes it possible to improve the efficiency of the refrigeration circuit of a heat pump laundry machine by introducing steam into the drying air circuit during the heating up phase. air temperature of said drying air circuit and refrigerant of said refrigeration circuit of a laundry drying cycle.
  • the steam of said phase of raising the temperature of the air of said drying air circuit and the refrigerant of said refrigeration circuit is introduced upstream of said evaporator of said refrigeration circuit.
  • this vapor is then condensed in the evaporator. Then, the heat generated during the condensation of the steam in the evaporator is transmitted to the drying air during its passage in the condenser.
  • the drying air heated during its passage through the condenser makes it possible to dry the laundry contained in the drum when said drying air passes through said drum.
  • the present invention is directed to a machine for drying the heat pump laundry comprising a body enclosing a drum, said drum being rotated by a motor and traversed by drying air from a heating circuit. drying air, said drying air circuit comprising at least one fan, and said drum forming an integral part of said dryer air circuit, said dryer machine comprising a refrigeration circuit, said refrigeration circuit comprising at least one less: a compressor, a condenser, a detent and an evaporator.
  • said laundry drying machine comprises a steam generator introducing steam into said drying air circuit, and said steam supplied by said steam generator heats the air of said drying air circuit and the refrigerant of said refrigeration circuit during a temperature rise phase of the air of said drying air circuit and the refrigerant of said refrigeration circuit of a laundry drying cycle.
  • This heat pump laundry machine has advantages similar to those described above with reference to the operating control method according to the invention.
  • this dryer machine with heat pump makes it possible to reduce the duration of a laundry drying cycle by introducing steam into the drying air circuit during a heating up phase of the laundry. the air of the drying air circuit and refrigerant of the refrigeration circuit.
  • This dryer may be a household clothes drying machine or a domestic clothes washer.
  • the present invention applies to all types of machine for drying clothes, including front loading and loading from above the laundry.
  • This dryer 1 comprises a body 2 comprising an access opening (not shown) inside the bodywork.
  • An access door (not shown) is adapted to close this opening of the body 2 of the machine 1, especially during operation thereof.
  • the access door is pivotally mounted about an axis of rotation integral with the body 2 of the machine 1.
  • the body 2 of the machine 1 is adapted to accommodate a drum 17 which is particularly suitable for drying laundry by a hot air circulation.
  • the drum 17 is rotatable about an axis during the different phases of the drying cycles of the machine.
  • FIGS. 1 and 2 are schematic and that many organs necessary for the operation of the machine have been omitted and do not need to be described in detail here.
  • a control panel is also provided in the upper part of the machine 1.
  • the dryer according to the invention comprises all the equipment and means necessary for the implementation of a conventional drying process in such a rotary drum machine.
  • the clothes dryer 1 comprises a drying air circuit 3.
  • the drying air circuit 3 comprises at least one drying air inlet pipe 21 and a drying air outlet pipe 4
  • the air inlet duct 21 is connected to an air inlet of the drum 17 and the air outlet duct 4 to an air outlet of the drum 17.
  • the drum 17 of the dryer 1 is an integral part of the drying air circuit 3.
  • the dryer 1 also includes at least one fan 5 for driving a drying air flow F entering through the air inlet of the drum 17, then through said drum 17 containing the laundry pieces and exiting through the air outlet of said drum 17.
  • the drying of the laundry contained in the drum 17 is dried by the flow of air F passing through said drum 17 while said drum 17 can be rotated to shake and lift the laundry.
  • the rotation of the drum 17 is performed by a motor.
  • This rotation of the drum 17 can be performed by an electric motor and by means of a transmission belt.
  • the fan 5 is mounted in the drying air circuit 3 to suck air and force it to flow through the air inlet duct 21 and the air outlet duct 4 of said air duct. drying air 3.
  • the dryer 1 may or may not include a heating element (not shown) mounted in the air inlet duct 21 for heating the drying air to a predetermined temperature controllable by control means (not shown) of the dryer 1.
  • the drying air is introduced into the drum 17 through at least one air inlet opening 20 formed in the drum 17.
  • the drum 17 contains the items of laundry to be dried and drives them in rotation during a drying cycle.
  • the drying cycle removes moisture from the laundry items with drying air charging in moisture.
  • the moisture-laden drying air is discharged through at least one air outlet opening 19 of the drum 17 and then through the air outlet duct 4.
  • the laundry dryer 1 comprises at least one fluff filter 18 located downstream of the at least one drying air outlet opening 19 of the drum 17.
  • the drying machine 1 being of the heat pump type comprises a refrigeration circuit 6 for drying the laundry contained in the drum 17.
  • the refrigeration circuit 6 comprises at least: a compressor 7, a condenser 8, an expansion element 9 and an evaporator 10.
  • the expansion element 9 of the refrigeration circuit 6 may be an expansion valve or an expansion capillary.
  • the drying air circuit 3 is in a closed loop and the drying air is heated by the condenser 8 of the refrigeration circuit 6.
  • the drying air can also be heated by at least one heating element.
  • the heated air passes through the laundry contained in the drum 17 and the heated air takes care of the moisture contained in the laundry and lint of laundry. During this phase, the air can be cooled from a temperature of the order of 60 ° C to a temperature of about 40 ° C.
  • the heated and moist air passes through a filter 18 placed at a discharge outlet of the drum 17 to recover the lint contained in said heated and moist air.
  • a fan 5 circulates the hot and humid air firstly inside an evaporator 10 and then in a second time inside a condenser 8.
  • the hot moist air is cooled on tubes and fins of the evaporator 10 so as to condense the moisture of the drying air and then reheated on tubes and fins of the condenser 8.
  • the drying air may also be heated by said at least one heating element located upstream of the drum 17 before passing through the drum 17 containing the laundry items again.
  • Such circulation of a drying air flow F is established in the drying air circuit 3 by means of at least one fan 5.
  • the number of fans of the drying air circuit is not limiting and can be one or more.
  • the fan 5 is preferably located upstream of the condenser 8 of the refrigeration circuit 6 and downstream of the drum 17 of the dryer 1 in the direction of flow of the drying air flow F.
  • the compressor 7 of the refrigeration circuit 6 can be equipped with a cooling fan 11.
  • This cooling fan 11 can be installed near a wall of the body 2 so as to draw ambient air coming from the outside of the dryer 1.
  • This cooling fan 11 blows a fresh air flow G on the compressor 7 of the refrigeration circuit 6 so as to cool the compressor 7 and the refrigerant of said refrigeration circuit 6.
  • the cooling fan 11 is slaved to the condensing temperature of the refrigeration circuit 6.
  • the operation of the cooling fan 11 can be controlled as soon as a threshold value of the condensation temperature of the refrigeration circuit 6 is exceeded through the control means of the dryer 1, such as for example a microcontroller.
  • the threshold value of the condensation temperature of the refrigeration circuit 6 for operating the cooling fan 11 may be of the order of 60 ° C.
  • the control of operation of the cooling fan 11 through the control means of the dryer 1 can be carried out by a temperature measurement on the refrigeration circuit 6 at the outlet of the condenser 8.
  • the refrigeration circuit 6 is also in a closed loop.
  • the refrigerant of the refrigeration circuit 6 passes from the refrigerant outlet of the compressor 7 under pressure to the refrigerant inlet of the condenser 8.
  • the refrigerant outlet of the condenser 8 is connected to the refrigerant inlet of the evaporator 10 through of the detent element 9.
  • the expansion element 9 acts as a separating element between the refrigerant pressure levels in the part of the refrigeration circuit 6 situated upstream of said expansion element 9 and in the part of the refrigeration circuit 6 situated downstream of said refrigeration element. relaxation 9.
  • the refrigerant output of the evaporator 10 is connected to the refrigerant inlet of the compressor 7.
  • the dryer 1 comprises a steam generator 12 introducing steam into the drying air circuit 3, and said steam supplied by said steam generator 12 heats the air of said air circuit drying 3 and the refrigerant of said refrigeration circuit 6 during a temperature rise phase of the air of said drying air circuit 3 and the refrigerant of said refrigeration circuit 6 of a laundry drying cycle.
  • this dryer machine heat pump 1 can reduce the duration of a laundry drying cycle by introducing steam into the drying air circuit 3 during a temperature rise phase of the air of the drying air circuit 3 and the refrigerant of the refrigeration circuit 6.
  • the dryer 1 also comprises at least an additional heating element (not shown) heating the air of the drying air circuit 3, the heated air of said drying air circuit 3 heating the refrigerant of the refrigeration circuit 6.
  • This additional heating element is preferably located upstream of the drum 17 and downstream of the condenser 8 in the direction of flow of an air flow F in the drying air circuit 3 so as to heat the incoming drying air. in said drum 17.
  • This additional heating element can be electric or gas.
  • the additional heating element makes it possible to raise the drying air temperature and to maintain a temperature of this drying air during a drying cycle of the laundry.
  • the additional heating element can be operated before, during and / or after the introduction of steam during a phase of temperature rise of the air of the drying air circuit 3 and the refrigerant of the cooling circuit. refrigeration 6 of a laundry drying cycle at a reduced or maximum power.
  • the additional heating element is operated at the same time as the steam generator 12 at the beginning of an operating cycle of the dryer 1.
  • the air heated by the additional heating element is introduced firstly into the drum 17 and then comes out of the other. part of said drum 17 being charged with moisture to heat the refrigerant of the refrigeration circuit 6 in particular by means of the evaporator 10.
  • stopping a temperature rise phase of the drying air in other words preheating, during the implementation of an operating cycle of the dryer 1 is conditioned by a predetermined temperature in the drying air circuit 3 reached and / or by a predetermined temperature of the refrigeration circuit 6 reached in the case where said refrigeration circuit 6 is operated from said operating cycle.
  • the steam generator 12 comprises a steam outlet tube 13 connected at one end 13a to said steam generator 12 and connected at another end 13b to said drying air circuit 3, and said end 13b of said steam outlet tube 13 connected to said drying air circuit 3 is located upstream of said evaporator 10 of said refrigeration circuit 6.
  • the increase of refrigerant flow rate in the refrigeration circuit 6 makes it possible to improve the powers exchanged between the refrigeration circuit 6 and the drying air circuit 3 and consequently to reduce the duration of the temperature rise phase of the refrigeration circuit 6. the air of the drying air circuit 3 and the refrigerant of the refrigeration circuit 6 of a laundry drying cycle.
  • the introduction of steam into the drying air circuit 3 accelerating the rise in temperature of the air of the drying air circuit 3 and the refrigerant of the refrigeration circuit 6 improves the exchange of air. heat in the drum 17 of the dryer 1 between the air circulating in the drying air circuit 3 and the water contained in the laundry placed in said drum 17 at the start of a drying cycle of the laundry.
  • the steam generator 12 comprises a water inlet tube 14 supplying said steam generator 12 with water from a water supply source 15.
  • the water inlet tube 14 may comprise a water flow means 16 from the water supply source 15 to the steam generator 12.
  • This water flow means 16 may be example a valve, a pump.
  • the flow of water from the water supply source 15 to the steam generator 12 through the water inlet tube 14 can also be achieved by gravity.
  • the power source 15 of the steam generator 12 may be a water tank installed in the dryer 1 or a connection to a water inlet of the water network.
  • the introduction of steam into the drying air circuit 3 is carried out continuously for a predetermined period of a temperature rise phase of the air of said drying air circuit 3 and refrigerant of the refrigeration circuit 6 of a laundry drying cycle.
  • the predetermined period of introduction of steam into the drying air circuit 3 may be for example of the order of 20 minutes.
  • the value of the predetermined period of introduction of steam into the drying air circuit is in no way limiting and may be different.
  • the introduction of steam into the drying air circuit 3 is slaved to the temperature of the air in said drying air circuit 3 and / or the refrigerant temperature in the cooling circuit. refrigeration 6.
  • the introduction of steam into the drying air circuit 3 is stopped when the temperature of the refrigerant at the outlet of the condenser 8 of the refrigeration circuit 6 is greater than a threshold temperature value, which may be of the order of 55 ° C.
  • the figure 3 illustrates the evolution of the refrigerant condensation temperature T as a function of the time t of a laundry drying cycle with or without the introduction of steam into the drying air circuit 3 during a temperature rise phase the air of the drying air circuit 3 and the refrigerant of the refrigeration circuit 6 of said drying cycle.
  • the initial temperature of the air inside the drying air circuit 3 and the refrigerant inside the refrigeration circuit 6 is generally the ambient temperature, which can be of the order of 20 ° C, and the The temperature of the air and the refrigerant may be higher if a cycle of operation of the heat pump dryer 1 has been performed previously.
  • the evolution curve of the condenser temperature T of the refrigerant as a function of the time t of a laundry drying cycle according to an embodiment of the invention with the introduction of steam into the drying air circuit 3 during a phase of air temperature rise of the drying air circuit 3 and the refrigerant of the refrigeration circuit 6 of said drying cycle is shown in thick solid line.
  • the abscissa axis represents the time t, for example in minutes
  • the ordinate axis represents the condensation temperature T of the refrigerant, for example in degrees Celsius.
  • the cooling phase D of the laundry items contained in the drum 17 can be implemented as soon as a drying level of the reached laundry items is detected.
  • the detection of the drying level of the laundry items can be implemented for example by means of a resistivity measurement of the laundry items.
  • the drum 17 and the fan 5 of the drying air circuit 3 can be driven by means of a single motor.
  • the operating control method of a heat pump laundry dryer 1 comprises a temperature rise phase of the air of the drying air circuit 3 and the refrigerant of the refrigeration circuit 6 of a cycle drying laundry with introduction of steam into said drying air circuit 3, said steam being produced by a steam generator 12.
  • the duration of a laundry drying cycle carried out according to the control method of a heat pump laundry machine 1 can be reduced by about 10% with respect to the duration of a drying cycle. laundry of a conventional heat pump dryer.
  • the percentage reduction of the duration of a laundry drying cycle implemented by a heat pump laundry machine according to the invention is not limiting and may be different.
  • the control method makes it possible to improve the efficiency of the refrigeration circuit 6 of a heat pump laundry machine 1 by introducing steam into the drying air circuit 3 during the heating up phase of the dryer. the air of said drying air circuit 3 and the refrigerant of said refrigeration circuit 6 of a laundry drying cycle.
  • the refrigeration circuit 6 is put into operation during the introduction of steam of the air temperature rise phase of the drying air circuit 3 and the refrigerant of said refrigeration circuit 6.
  • the introduction of steam into the drying air circuit 3 in parallel with the putting into operation of the refrigeration circuit 6 during the temperature rise phase of the air of said drying air circuit 3 and the refrigerant of said refrigeration circuit 6 thus makes it possible to increase the temperature and the evaporation pressure more rapidly by having a refrigerant flow rate in the refrigeration circuit 6 greater than that of a conventional heat pump drying machine without a steam generator or a steam introduction in the drying air circuit located in particular upstream of said evaporator.
  • said at least one fan 5 of the drying air circuit 3 is put into operation during the introduction of steam from the temperature rise phase of the air of said drying air circuit 3 and the refrigerant of said refrigeration circuit 6.
  • the circulation of an air flow F implemented by at least one fan 5 through the drying air circuit 3 makes it possible to bring heated air to the laundry and to ventilate it from the start. a drying cycle of the laundry so as to remove moisture from the laundry and to condense it by the evaporator 10 of the refrigeration circuit 6.
  • At least one additional heating element of the drying air circuit 3 is put into operation during the introduction of steam from the temperature rise phase of the air of said drying air circuit 3 and the refrigerant of the refrigeration circuit 6.
  • the drying air is heated on the one hand with the introduction of steam into the drying air circuit 3 and with the condenser 8 of the refrigeration circuit 6 and on the other hand with at least one additional heating element located in the drying air circuit 3 so as to accelerate the rise in temperature of the drying air and refrigerant of the refrigeration circuit 6.
  • the heating of the drying air by the steam produced by the steam generator 12, by the condenser 8 of the refrigeration circuit 6 and by said at least one additional heating element makes it possible to dry the laundry more efficiently and more rapidly. contained in the drum 17 from the start of a laundry drying cycle.
  • stopping the introduction of steam into the drying air circuit 3 and said at least one additional heating element during the implementation of a cycle of operation of the drying machine the laundry 1 is conditioned by a predetermined temperature in the drying air circuit 3 reached and / or by a predetermined temperature of the refrigeration circuit 6 reached.
  • the introduction of steam into the drying air circuit 3 and the setting in operation of said at least one additional heating element are stopped when the temperature of the refrigerant at the outlet of the condenser 8 of the refrigeration circuit 6 is greater than a threshold temperature value, which may be of the order of 55 ° C.
  • the steam of the air temperature rise phase of the drying air circuit 3 and the refrigerant of the refrigeration circuit 6 is introduced upstream of the evaporator 10 of the refrigeration circuit 6.
  • the introduction of steam is carried out upstream of the evaporator 10 of the refrigeration circuit 6 according to the direction of flow of the air flow F in the drying air circuit 4.
  • this vapor is then condensed in the evaporator 10. Then, the heat released during the condensation of the vapor in the evaporator 10 is transmitted to the drying air during its passage through the condenser 8.
  • the heated drying air as it passes through the condenser 8 makes it possible to dry the laundry contained in the drum 17 when said drying air passes through said drum 17.
  • the drying cycle of the laundry comprises a stabilized operating phase following the temperature rise phase of the air of the drying air circuit 3 and the refrigerant of the refrigeration circuit 6.
  • the stabilized operating phase is implementation without introduction of steam.
  • the laundry drying cycle comprises an end of drying cycle phase following the stabilized operating phase, wherein the relative humidity at the outlet of the drum 17 and the refrigerant temperature of the refrigeration circuit 6 decrease. And the phase at the end of the drying cycle is carried out without introduction of steam.
  • the dryer machine with heat pump 1 comprises control means consisting of at least one electronic card (not shown).
  • This electronic card comprises a control unit adapted to implement the control method in operation of the heat pump laundry machine according to the invention.
  • the control unit controls in particular the rotation drive motor of the drum 17, the fan 5 of the drying air circuit 3, the refrigeration circuit 6, the steam generator 12 so as to rapidly increase the temperature of the drying air and the refrigerant temperature of the refrigeration circuit 6, as previously described.
  • the duration of a drying cycle of the laundry of a heat pump laundry machine according to the invention is reduced, and in particular the the duration of the air temperature rise phase of the drying air circuit and refrigerant of the refrigeration circuit of a laundry drying cycle is reduced.

Claims (10)

  1. Verfahren zur Betriebssteuerung eines Wäschetrockners mit Wärmepumpe (1), der ein Gehäuse (2), welches eine Wäschetrommel (17) umschließt, umfasst, wobei die besagte Wäschetrommel (17) von einem Motor drehbar angetrieben und von der von einem Trocknungsluftkreislauf (3) gelieferten Trocknungsluft durchströmt wird, wobei der besagte Trocknungsluftkreislauf (3) mindestens einen Ventilator (5) umfasst, und wobei die besagte Wäschetrommel (17) Bestandteil des besagten Trocknungsluftkreislaufs (3) ist;
    wobei der besagte Wäschetrockner (1) ebenfalls einen Kühlkreislauf (6) umfasst, wobei der besagte Kühlkreislauf (6) mindestens umfasst: Einen Kompressor (7), einen Kondensor (8), ein Entspannungselement (9) und einen Verdampfer (10);
    dadurch gekennzeichnet, dass das besagte Verfahren eine Aufheizphase der Luft des besagten Trocknungsluftkreislaufs (3) und des Kühlmittels des besagten Kühlkreislaufs (6) eines Wäschetrocknungszyklus mit Einführung von Dampf in den besagten Trocknungsluftkreislauf (3) umfasst, wobei der besagte Dampf von einem Dampferzeuger (12) produziert wird.
  2. Verfahren zur Betriebssteuerung eines Wäschetrockners mit Wärmepumpe (1) nach Anspruch 1, dadurch gekennzeichnet, dass der besagte Kühlkreislauf (6) während der besagten Einführung von Dampf der besagten Aufheizphase der Luft des besagten Trocknungsluftkreislaufs (3) und des Kühlmittels des besagten Kühlkreislaufs (6) betrieben wird.
  3. Verfahren zur Betriebssteuerung eines Wäschetrockners mit Wärmepumpe (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der besagte mindestens eine Ventilator (5) des besagten Trocknungsluftkreislaufs (3) während der besagten Einführung von Dampf der besagten Aufheizphase der Luft des besagten Trocknungsluftkreislaufs (3) und des Kühlmittels des besagten Kühlkreislaufs (6) betrieben wird.
  4. Verfahren zur Betriebssteuerung eines Wäschetrockners mit Wärmepumpe (1) nach einem beliebigen der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass mindestens ein zusätzliches Heizelement des besagten Trocknungsluftkreislaufs (3) während der besagten Einführung von Dampf der besagten Aufheizphase der Luft des besagten Trocknungsluftkreislaufs (3) und des Kühlmittels des besagten Kühlkreislaufs (6) betrieben wird.
  5. Verfahren zur Betriebssteuerung eines Wäschetrockners mit Wärmepumpe (1) nach einem beliebigen der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Dampf der besagten Aufheizphase der Luft des besagten Trocknungsluftkreislaufs (3) und des Kühlmittels des besagten Kühlkreislaufs (6) stromaufwärts des besagten Verdampfers (10) des besagten Kühlkreislaufs (6) eingeführt wird.
  6. Verfahren zur Betriebssteuerung eines Wäschetrockners mit Wärmepumpe (1) nach einem beliebigen der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der besagte Wäschetrocknungszyklus eine stationäre Betriebsphase im Anschluss an die besagte Aufheizphase der Luft des besagten Trocknungsluftkreislaufs (3) und des Kühlmittels des besagten Kühlkreislaufs (6) umfasst, und dass die besagte stationäre Betriebsphase ohne Einführung von Dampf durchgeführt wird.
  7. Verfahren zur Betriebssteuerung eines Wäschetrockners mit Wärmepumpe (1) nach Anspruch 6, dadurch gekennzeichnet, dass der besagte Wäschetrocknungszyklus eine Trocknungszyklus-Endphase im Anschluss an die besagte stationäre Betriebsphase umfasst, während welcher die relative Feuchtigkeit am Ausgang der besagten Wäschetrommel (17) und die Temperatur des Kühlmittels des besagten Kühlkreislaufs (6) abnehmen, und dass die besagte Phase am Ende des Trocknungszyklus ohne Einführung von Dampf durchgeführt wird.
  8. Wäschetrockner mit Wärmepumpe (1), umfassend ein Gehäuse (2), welches eine Wäschetrommel (17) umschließt, wobei die besagte Wäschetrommel (17) von einem Motor drehbar angetrieben und von der von einem Trocknungsluftkreislauf (3) gelieferten Trocknungsluft durchströmt wird, wobei der besagte Trocknungsluftkreislauf (3) mindestens einen Ventilator (5) umfasst, und wobei die besagte Wäschetrommel (17) Bestandteil des besagten Trocknungsluftkreislaufs (3) ist;
    wobei der besagte Wäschetrockner (1) einen Kühlkreislauf (6) umfasst, wobei der besagte Kühlkreislauf (6) mindestens umfasst: Einen Kompressor (7), einen Kondensor (8), ein Entspannungselement (9) und einen Verdampfer (10);
    dadurch gekennzeichnet, dass der besagte Wäschetrockner (1) einen Dampferzeuger (12) umfasst, welcher Dampf in den besagten Trocknungsluftkreislauf (3) einführt, und dass der besagte von dem besagten Dampferzeuger (12) gelieferte Dampf die Luft des besagten Trocknungsluftkreislaufs (3) und das Kühlmittel des besagten Kühlkreislaufs (6) während einer Aufheizphase des besagten Trocknungsluftkreislaufs (3) und des besagten Kühlmittels des besagten Kühlkreislaufs (6) eines Wäschetrocknungszyklus erwärmt.
  9. Wäschetrockner mit Wärmepumpe (1) nach Anspruch 8, dadurch gekennzeichnet, dass der besagte Wäschetrockner (1) ebenfalls mindestens ein zusätzliches Heizelement umfasst, welches die Luft des besagten Trocknungsluftkreislaufs (3) erwärmt, wobei die erwärmte Luft des besagten Trocknungsluftkreislaufs (3) das Kühlmittel des besagten Kühlkreislaufs (6) erwärmt.
  10. Wäschetrockner mit Wärmepumpe (1) nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass der besagte Dampferzeuger (12) ein Dampfauslassrohr (13) umfasst, welches an einem Ende (13a) an den besagten Dampferzeuger (12) und an einem anderen Ende (13b) an den besagten Trocknungsluftkreislauf (3) angeschlossen ist, und dass das besagte Ende (13b) des besagten Dampfauslassrohrs (13), welches an den besagten Trocknungsluftkreislauf (3) angeschlossen ist, stromaufwärts des besagten Verdampfers (10) des besagten Kühlkreislaufs (6) angeordnet ist.
EP10196505A 2009-12-30 2010-12-22 Steuerverfahren eines laufenden Wäschetrockners mit Wärmepumpe, und entsprechender Wäschetrockner mit Wärmepumpe Active EP2341181B1 (de)

Priority Applications (1)

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PL10196505T PL2341181T3 (pl) 2009-12-30 2010-12-22 Sposób sterowania działaniem maszyny do suszenia bielizny z pompą ciepła i odpowiednia maszyna do suszenia bielizny z pompą ciepła

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FR0906420A FR2954781B1 (fr) 2009-12-30 2009-12-30 Procede de commande en fonctionnement d'une machine a secher le linge a pompe a chaleur et machine a secher le linge a pompe a chaleur associee

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EP2341181A1 EP2341181A1 (de) 2011-07-06
EP2341181B1 true EP2341181B1 (de) 2013-01-23

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US20040255394A1 (en) * 2003-06-18 2004-12-23 Vanita Mani Spin cycle methodology and article drying apparatus
KR101265616B1 (ko) * 2006-07-24 2013-05-22 엘지전자 주식회사 건조기 및 그 제어방법
DE102007016076A1 (de) * 2007-04-03 2008-10-09 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Kondensationstrockner zum Betreiben eines Trocknungsprozesses
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EP2341181A1 (de) 2011-07-06
PL2341181T3 (pl) 2013-06-28
ES2403460T3 (es) 2013-05-20
FR2954781A1 (fr) 2011-07-01

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