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EP3255203B1 - Appareil ménager comportant une pompe à chaleur - Google Patents

Appareil ménager comportant une pompe à chaleur Download PDF

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Publication number
EP3255203B1
EP3255203B1 EP17173984.0A EP17173984A EP3255203B1 EP 3255203 B1 EP3255203 B1 EP 3255203B1 EP 17173984 A EP17173984 A EP 17173984A EP 3255203 B1 EP3255203 B1 EP 3255203B1
Authority
EP
European Patent Office
Prior art keywords
port
condenser
refrigerant
evaporator
household appliance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17173984.0A
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German (de)
English (en)
Other versions
EP3255203A1 (fr
Inventor
Joaquin Jesus Capablo Sese
Iñaki OTERO GARCIA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP16382263.8A external-priority patent/EP3255202B1/fr
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL17173984T priority Critical patent/PL3255203T3/pl
Publication of EP3255203A1 publication Critical patent/EP3255203A1/fr
Application granted granted Critical
Publication of EP3255203B1 publication Critical patent/EP3255203B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/206—Heat pump arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/50—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to heat pumps, e.g. pressure or flow rate
    • 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
    • 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
    • D06F58/30—Drying processes 

Definitions

  • the invention relates to a household appliance comprising a heat pump, the heat pump comprising a compressor, a condenser, an expansion device, and an evaporator.
  • the invention also relates to a method for operating such a household appliance.
  • the invention is particularly useful for laundry drying appliances.
  • a heat pump typically comprises a heat pump circuit having a compressor, a condenser, an expansion device, and an evaporator connected by refrigerant lines to form a refrigerant circuit.
  • a heat pump is also called a compressor heat pump.
  • a flow of dry process air applied to a load to be dried is usually heated by means of the condenser.
  • the process air is usually propelled by a fan.
  • Dehumidification is effected by cooling the humid process air by passing it over the cold surfaces of the evaporator.
  • the condenser and the evaporator thus act as heat exchangers to exchange heat between the refrigerant and the process air.
  • the temperature difference between the condenser and the evaporator is produced due to compressing a previously evaporated refrigerant in a superheated gas state, which is able to condense at the condenser due to being cooled down by the dry air, which is then expanded by the expansion device, and which is then evaporated again at the evaporator by the humid air coming from the load to be dried.
  • the heat exchange capacity of the heat exchangers cannot be regulated by adapting the operation of the compressor, even if, at some phases of the drying cycle, lower capacities of the evaporator and/or of the condenser would benefit the global performance of the household appliance.
  • Laundry drying appliances comprising heat pumps are generally known.
  • WO 2014/067797 A2 discloses a laundry drying appliance that has a fan for moving process air, a heat pump and a temperature measurement device, wherein the laundry drying appliance is designed to set a ventilation output of the fan depending on at least one temperature detected at the heat pump by means of the temperature measurement device.
  • WO 2013/144875 A1 discloses a heat exchanger for a laundry drying appliance which comprises at least one set of pipes, each set of pipes comprising at least two pipes, wherein the pipes are mechanically connected by at least one connection structure (also called a "finned tube heat exchanger"). At least two pipes are made from different metals having a different thermal expansion coefficient; at least two of the pipes having a different thermal expansion coefficient are joined by a soldered joint (lib) or by a brazed joint. At the joint (lib) of the two pipes, the pipe made of the metal having a lower thermal expansion coefficient is inserted into the pipe made of the metal having a higher thermal expansion coefficient. Also disclosed is a household appliance, in particular clothes treatment appliance, comprising at least one such heat exchanger, and a method for manufacturing such heat exchanger.
  • EP 1 493 860 A2 discloses a drier to reduce a cooling time after completion of a drying operation and improve operation efficiency.
  • the dryer comprises a storage room to accommodate a drying target and performs the drying operation and a cooling operation after completion of the drying operation for the drying target in the storage room.
  • the dryer comprises: a refrigerant circuit configured by sequentially connecting, with a pipe in a circular form, a compressor a radiator, a pressure reducing device, an evaporator and the like; an air circulation path for circulating, by an air blower, air from the radiator into the evaporator through the storage room; and an external radiator provided outside the air circulation path, wherein in the drying operation, a refrigerant discharged from the compressor flows to the radiator to release heat, and is pressure reduced by the pressure reducing device, and is then evaporated by the evaporator, and in the cooling operation, the refrigerant discharged from the compressor flows to the external radiator to release heat, and is pressure reduced by the pressure reducing device, and is then evaporated by the evaporator.
  • EP 2 466 001 A1 discloses a laundry drying machine comprising ventilation means, including a fan, for generating a forced flow of air, and heating means, including a heat pump, for heating the air of the forced flow; said machine has a control system including a control unit, provided for controlling execution of a plurality of operating programs of the machine, and a user interface, which has selection means for selecting a desired operating program, the machine further comprises change-over means, which can be controlled by the control unit for assuming a first operating condition and a second operating condition in order to obtain from the heat pump heating and cooling, respectively, of the air of the forced flow, the control unit is provided for controlling the change-over means so as to assume the second operating condition following upon selection of at least a first one of the operating programs that can be selected via the selection means.
  • a household appliance comprising a heat pump, the heat pump comprising a compressor, a condenser, an expansion device, and an evaporator, wherein the household appliance further comprises at least one refrigerant redirection device to locally reverse a flow direction of a refrigerant through the condenser and/or through the evaporator.
  • the compressor, the condenser, the expansion device, and the evaporator may be connected in the described order (e.g. by refrigerant lines) to form a closed refrigerant circuit.
  • the expansion device may be a thermal expansion valve.
  • the refrigerant may flow in a direction from the compressor to the condenser, through the expansion device, to the evaporator, and back to the compressor.
  • "Locally" reversing a flow direction includes reversing only the flow of the refrigerant in the condenser and/or evaporator.
  • the general flow direction of the refrigerant in the refrigerant circuit / heat pump is not reversed.
  • locally reversing the flow direction includes reversing the use of ports of the condenser and/or evaporator as inlet and outlet ports. Therefore, the general function of the evaporator (i.e., as a cooling unit to cool down process air) and/or the general function of the condenser (i.e., as a heating unit to heat up the process air) remain the same.
  • This household appliance may comprise at least one refrigerant redirection device only for the condenser, at least one refrigerant redirection device only for the evaporator, or at least one refrigerant redirection device for both.
  • the compressor is an AC compressor. It is particularly advantageous to employ the at least one refrigerant redirection device in combination with such a compressor since AC compressors are rugged and low-cost components. It may be more cost effective to combine an AC compressor with at least one refrigerant redirection device than to use a compressor powered by, e.g., a BLDC motor. Generally, the at least one refrigerant redirection device can also advantageously be used in combination with other types of compressors, even with BLDC-powered compressors.
  • the refrigerant redirection device is at least one directional control valve, wherein, in a first valve position of the at least one directional control valve, its first port is connected to its second port and its third port is connected to its fourth port, and wherein, in a second valve position, its first port is connected to its third port and its second port is connected to its fourth port.
  • the valve may be an electrically controlled valve, e.g. actuated by a solenoid or a motor.
  • the at least one directional control valve is a 4/2 directional control valve (4-way valve).
  • a 4/2 directional control valve (4-way valve).
  • Such a valve may be implemented in a specially compact and robust design.
  • other types of valves and/or combinations of other valves e.g. two 3/2 directional control valves (3-way valves), four 2-way valves etc.
  • the household appliance comprises a first 4/2 directional control valve wherein its first port is connected to an outlet of the compressor, its second port is connected to a first port of the condenser, its third port is connected to a second port of the condenser, and its fourth port is connected to an inlet of the expansion device.
  • a first 4/2 directional control valve wherein its first port is connected to an outlet of the compressor, its second port is connected to a first port of the condenser, its third port is connected to a second port of the condenser, and its fourth port is connected to an inlet of the expansion device.
  • the household appliance comprises a second 4/2 directional control valve wherein its first port is connected to an outlet of the expansion device, its second port is connected to a first port of the evaporator, its third port is connected to a second port of the evaporator, and its fourth port is connected to an inlet of the compressor.
  • a second 4/2 directional control valve wherein its first port is connected to an outlet of the expansion device, its second port is connected to a first port of the evaporator, its third port is connected to a second port of the evaporator, and its fourth port is connected to an inlet of the compressor.
  • the household appliance comprises a control device (e.g. a central control unit) that is adapted to control or set the valve positions of the least one directional control valve for the evaporator and/or for the condenser.
  • the setting may be based on the desired capacity of the evaporator and/or of the condenser as heat exchangers
  • the at least one directional control valve (or, more generally, the at least one refrigerant redirection device) may be automatically controlled to change the capacity of the evaporator and/or of the condenser in accordance with needs to reduce an energy consumption of the household appliance.
  • the control device may, e.g., switch at least one refrigerant redirection device based on reaching or performing one or more phases of an operation process or cycle, e. g. a drying cycle.
  • the control device may switch the at least one refrigerant redirection device based on reaching at least one pre-defined condition, e. g. at least one measured condition, e. g. a threshold value for a temperature, a pressure, a laundry moisture value etc.
  • the control device may be connected to at least one sensor, e.g. a temperature sensor for the process air, a temperature sensor for the compressor, a temperature sensor for the refrigerant, a pressure sensor for the process air, a pressure sensor for the refrigerant, etc.
  • control device may automatically determine whether to switch valve positions only for the evaporator, only of the condenser, or for both the evaporator and the condenser (if existing).
  • the evaporator and/or the condenser are finned tube heat exchangers to exchange heat between the refrigerant and the process air.
  • Such heat exchangers allow high heat transfer efficiencies and are easy to install.
  • ports of the evaporator and/or the condenser (which act as refrigerant inlets and refrigerant outlets) are positioned at opposite ends of the evaporator and the condenser, respectively, with respect to a flow direction of the process air.
  • the first port of the evaporator and/or of the condenser may be positioned at a rear region of a flow path of the process air through this component and the second port is positioned at a front of this flow path. Then, the refrigerant enters the component through the first port and thus initially exchanges heat with process air that has already been flowing through the evaporator and/or condenser. By flowing to the second port, the refrigerant flows in a general direction opposite to the direction of the process air. Such a state may also be called a "counter-flow state".
  • the refrigerant in a "parallel-flow" state, the refrigerant enters through the second port and thus initially exchanges heat with process air just arriving at the evaporator and/or condenser which may have a higher and lower temperature, respectively, as compared to the process air that has already been flowing through the evaporator and/or condenser.
  • the refrigerant in the parallel-flow state, the refrigerant thus flows in the same general direction as the process air.
  • the household appliance is a home appliance having a drying function.
  • the at least one refrigerant redirection device can be employed with particularly high energy savings concerning the heat pump circuit during a drying process while obtaining similar drying results.
  • the household appliance is a clothes or laundry drying appliance, e.g. a clothes dryer or a washer-dryer.
  • a clothes or laundry drying appliance e.g. a clothes dryer or a washer-dryer.
  • the use of the at least one refrigerant redirection device as described above can give especially high energy savings.
  • the household appliance is a dishwasher.
  • the household appliance is a refrigeration device.
  • This embodiment makes use of the effect that employing the at least one refrigerant redirection device as described above not only gives energy savings if a load of the household appliance is to be dried (warmed up or heated up) but also when a load is to be cooled down.
  • the object is also achieved by a method for operating a household appliance comprising a heat pump, the heat pump comprising a compressor, a condenser, an expansion device, and an evaporator connected in series by a refrigerant circuit, wherein the household appliance further comprises at least one refrigerant redirection device, the method comprising switching at least one refrigerant redirection device to locally reverse a flow direction of a refrigerant through the evaporator and/or through the condenser.
  • the method can be embodied and adapted in analogy to the household appliance as described above and gives the same advantages.
  • Fig.1 shows a diagram of a household appliance in form of a clothes dryer 1.
  • the clothes dryer 1 comprises a heat pump 2, the heat pump 2 comprising an AC compressor 3, a condenser 4, an expansion device in form of a thermal expansion valve 5, and an evaporator 6 connected by refrigerant lines 7.
  • the heat pump 2 further comprises a refrigerant redirection device in form of a first 4/2 directional control valve 8 to locally reverse a flow direction of a refrigerant R through the condenser 4.
  • the heat pump 2 also comprises a refrigerant redirection device in form of a second 4/2 directional control valve 9 to locally reverse a flow direction of the refrigerant R through the evaporator 6.
  • the control valves 8 and 9 are of the same type.
  • the condenser 4 and the evaporator 6 may be of the same basic type (e. g., a finned tube heat exchanger) but may vary in their concrete design (e. g. regarding the number, diameter, and/or material of their pipes etc.).
  • Each of the control valves 8 and 9 has four ports P1, P2, P3, and P4 and two valve positions. In the shown first valve position, its first port P1 is connected to its second port P2 and its third port P3 is connected to its fourth port P4. In the second valve position, its first port P1 is connected to its third port P3 and its second port P2 is connected to its fourth port P4.
  • first directional control valve 8 its first port P1 is connected to an outlet of the AC compressor 3, its second port P2 is connected to a first port CP1 of the condenser 4, its third port P3 is connected to a second port CP2 of the condenser 4, and its fourth port P4 is connected to an inlet of the thermal expansion valve 5.
  • the first port P1 is connected to an outlet of the thermal expansion valve 5
  • its second port P2 is connected to a first port EP1 of the evaporator 6
  • its third port P3 is connected to a second port EP2 of the evaporator 6
  • its fourth port P4 is connected to an inlet of the evaporator 6.
  • the refrigerant R moves from the compressor 3 to the first directional control valve 8, to the condenser 4, back through the first directional control valve 8, to the thermal expansion valve 5, to the second directional control valve 9, to the evaporator 6, again through the second directional control valve 9, and back to the compressor 3.
  • the control valves 8 and 9 only the flow direction of the refrigerant R through the condenser 4 and the evaporator 6, respectively, is locally reversed.
  • valve positions of the control valves 8 and 9 may be independently switched by a control device in form of a central control unit 10.
  • the shown valve positions of the control valves 8 and 9 place the condenser 4 and the evaporator 6 in their counter-flow state.
  • the clothes dryer 1 further comprises a process air circuit 11 for circulating process air A.
  • the process air circuit 11 comprises - in that order in a flow direction of the process air A - a clothes drum 12, the evaporator 6 acting as a cooling unit to cool down and thus to dehumidify the humid process air A coming from the drum 12, the condenser 4 acting as a heating unit to heat up the dehumidified process air A coming from the evaporator 6, and a fan 13 to move the process air A.
  • the fan 13 may be placed at another position within the process air circuit 11, e.g. between the drum 12 and the evaporator 6.
  • the condenser 4 and the evaporator 6 are shaped as heat exchangers to exchange heat between the process air A and the refrigerant R.
  • the process air circuit 11 may comprise an additional heater (not shown), e. g. in the form of an electrical heating resistance, a heating light (infrared heating lamp) etc., to support heating up the dried process air A.
  • the central control unit 10 may further be used to control components 12, 13 of the process air circuit 11.
  • the central control unit 10 may also be used to control other functions of the clothes dryer 1, e.g. a door latch etc.
  • the central control unit 10 may be connected to at least one sensor (not shown).
  • Fig.2 shows a cross-sectional side view of the process air channel 11 at a section comprising the condenser 4.
  • the condenser 4 may be of a finned tube type, e. g. as disclosed in WO 2013/144875 A1 .
  • the pipes are shown as circles, denoted by numbers “1” to "49", with the pipe numbered "43" not being used.
  • the pipes numbered "7" and "49” are the condenser's 4 second port CP2 and first port CP1, respectively.
  • the condenser 4 is shown in its counter-flow state in which the first port CP1 (pipe “49") acts as a refrigerant input while the second port CP2 (pipe “7") acts as a refrigerant output.
  • the first port CP1 and the second port CP2 of the condenser 4 are positioned at opposite ends of the condenser 4 regarding the flow direction of the process air A. While the second port CP2 is positioned at a front region of the condenser 4, the first port CP1 is positioned at a rear region.
  • the refrigerant R is entering the condenser 4 at its rear and then moves / flows to its front.
  • This counter-flow state achieves a more effective heat exchange (higher heat transfer rate) than the parallel-flow state in which the second port CP2 acts as the refrigerant input while the first port CP1 acts as the refrigerant output.
  • the parallel-flow state is shown in Fig.3 .
  • the evaporator 6 which may also be a finned tube heat exchanger.
  • its first port EP1 - which then acts as a refrigerant input - is advantageously positioned at a rear of the evaporator 6 with respect to a flow direction of the process air A.
  • Its second port EP2 - which then acts as a refrigerant output - is positioned at the front of the evaporator 6. Accordingly, in its parallel-flow state, its first port EP1 acts as the refrigerant output while its second port EP2 acts as the refrigerant input.
  • the evaporator 6 may have less or more pipes than the condenser 4, e. g. 20 parallel pipes.
  • the local reversal of the flow direction of the refrigerant R in the evaporator 6 leads to only a slightly lower superheating and slightly higher subcooling of the refrigerant R.
  • a condensation temperature and an evaporation temperature are only slightly higher such that the refrigerant cycle is moved to slightly higher working pressures, too.
  • Locally reversing the evaporator 6 has neither a significant effect on the cooling power, i.e. on the power used for cooling down the humid process air A, nor on the heating power, i.e. on the power used for heating up the dry process air A.
  • a compressor power, i.e. a power used up by the compressor 3 is only marginally higher (approx. 1 % to 3%) while a mass flow rate of the refrigerant R is also only marginally higher (approx. 2% to 5%).
  • a local reversal of the flow direction of the refrigerant R only in the condenser 4 leads to a significant decrease of the condensation temperature and the evaporation temperature as compared to the base configuration.
  • the heat pump cycle thus works at lower working pressures.
  • the subcooling is almost negligible but the superheating strongly increases.
  • a decrease higher than 25% is obtained for the cooling power and the heating power.
  • the compressor power is also lower (approx. 10%) as compared to the base configuration.
  • Fig.4 shows a partial diagram of a clothes dryer 14 according to a second embodiment.
  • the clothes dryer 14 differs from clothes dryer 1 by a different set of directional control valves, as shown by the components of detail V.
  • the other components may be the same for all embodiments.
  • the detail V of clothes dryer 14 shows two 3/2 directional control valves 15 and 16 instead of the one 4/2 directional control valve 8 for locally reversing the flow direction of the refrigerant R within the condenser 4.
  • the 4/2 directional control valve 9 for locally reversing the flow direction of the refrigerant R within the evaporator 6 may be replaced by two 3/2 directional control valves in an analogous manner (not shown).
  • valve positions of the 3/2 directional control valves 15 and 16 are set such that the condenser 4 is in a counter-flow state.
  • Fig.5 shows the components of fig.4 with the 3/2 directional control valves 15 and 16 being set such that the condenser 4 is in a parallel-flow state.
  • Fig.6 shows detail V of a clothes dryer 17 according to a third embodiment.
  • the clothes dryer 17 differs from clothes dryer 1 and from clothes dryer 14 by yet another set of directional control valves.
  • the detail V of clothes dryer 17 shows four 2/2 directional control valves 18, 19, 20 and 21 for locally reversing the flow direction of the refrigerant R within the condenser 4 instead of, e.g., the one 4/2 directional control valve 8.
  • the evaporator 6 may be connected to such a set of 2/2 directional control valves 18, 19, 20 and 21 in an analogous manner (not shown).
  • valve positions of four 2/2 directional control valves 18, 19, 20 and 21 are set such that the condenser 4 is in a counter-flow state.
  • Fig.7 shows the components of fig.4 with the four 2/2 directional control valves 18, 19, 20 and 21 being set such that the condenser 4 is in a parallel-flow state.

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

Claims (13)

  1. Appareil électroménager (1 ; 14 ; 17) comprenant une pompe à chaleur (2), la pompe à chaleur (2) comprenant un compresseur (3), un condenseur (4), un dispositif de détente (5) et un évaporateur (6), caractérisé en ce que
    l'appareil électroménager (1) comprend en outre au moins un dispositif de redirection de réfrigérant (8, 9 ; 15, 16 ; 18-21) pour inverser localement une direction d'écoulement d'un réfrigérant (R) uniquement à travers le condenseur (4) et/ou à travers l'évaporateur (6),
    dans lequel l'inversion au niveau local de la direction d'écoulement du réfrigérant (R) uniquement à travers le condenseur (4) et/ou à travers l'évaporateur (6) inclut uniquement l'inversion de l'utilisation d'orifices (CP1, CP2, EP1, EP2) du condenseur (4) et/ou de l'évaporateur (6) en tant qu'orifices d'entrée et de sortie, et
    dans lequel lors de l'inversion au niveau local de la direction d'écoulement du réfrigérant (R), une fonction de l'évaporateur (6) et/ou une fonction du condenseur (4) restent les mêmes.
  2. Appareil électroménager (1 ; 14 ; 17) selon la revendication 1, dans lequel le compresseur (3) est un compresseur à courant alternatif.
  3. Appareil électroménager (1 ; 14 ; 17) selon l'une quelconque des revendications précédentes, dans lequel le dispositif de redirection de réfrigérant comprend au moins une vanne de commande directionnelle (8, 9 ; 15, 16 ; 18-21) ayant quatre orifices (P1-P4), dans lequel
    - dans une première position de vanne de l'au moins une vanne de commande directionnelle (8, 9), un premier orifice (P1) est connecté à un deuxième orifice (P2) et un troisième orifice (P3) est connecté à un quatrième orifice (P4), et dans lequel
    - dans une seconde position de vanne de l'au moins une vanne de commande directionnelle (8, 9), le premier orifice (P1) est connecté au troisième orifice (P3) et le deuxième orifice (P2) est connecté au quatrième orifice (P4).
  4. Appareil électroménager (1) selon la revendication 3, dans lequel l'au moins une vanne de commande directionnelle (8, 9) est une vanne de commande directionnelle à 4/2 voies.
  5. Appareil électroménager (1) selon la revendication 4, comprenant une première vanne de commande directionnelle à 4/2 voies (8), dans lequel
    - son premier orifice (P1) est connecté à une sortie du compresseur (3),
    - son deuxième orifice (P2) est connecté à un premier orifice (CP1) du condenseur (4),
    - son troisième orifice (P3) est connecté à un deuxième orifice (CP2) du condenseur (4), et
    - son quatrième orifice (P4) est connecté à une entrée du dispositif de détente (5).
  6. Dispositif électroménager (1) selon l'une quelconque des revendications 4 à 5 comprenant une seconde vanne de commande directionnelle à 4/2 voies (9), dans lequel
    - son premier orifice (P1) est connecté à une sortie du dispositif de détente (5),
    - son deuxième orifice (P2) est connecté à un premier orifice (EP1) de l'évaporateur (6),
    - son troisième orifice (P3) est connecté à un deuxième orifice (EP2) de l'évaporateur (6), et
    - son quatrième orifice (P4) est connecté à une entrée du compresseur (3).
  7. Appareil électroménager (1 ; 14 ; 17) selon l'une quelconque des revendications 3 à 6, dans lequel l'appareil électroménager (1) comprend un dispositif de commande (10) qui est adapté pour commander les positions de vanne de l'au moins une vanne de commande directionnelle (8, 9 ; 15, 16 ; 18-21) pour le condenseur (4) et/ou pour l'évaporateur (6) sur la base de leur capacité souhaitée en tant qu'échangeurs de chaleur.
  8. Appareil électroménager (1 ; 14 ; 17) selon l'une quelconque des revendications précédentes, dans lequel le condenseur (4) et/ou l'évaporateur (6) sont des échangeurs de chaleur à tubes à ailettes pour échanger de la chaleur entre le réfrigérant (R) s'écoulant à travers ceux-ci et de l'air industriel (A).
  9. Appareil électroménager (1 ; 14 ; 17) selon la revendication 8, dans lequel un orifice d'entrée de réfrigérant (CP1) et un orifice de sortie de réfrigérant (CP2) du condenseur (4) et/ou un orifice d'entrée de réfrigérant (EP1) et un orifice de sortie de réfrigérant (EP2) de l'évaporateur (6) sont positionnés au niveau d'extrémités opposées par rapport à une direction d'écoulement de l'air industriel (A).
  10. Appareil électroménager (1 ; 14 ; 17) selon l'une quelconque des revendications précédentes, dans lequel l'appareil électroménager (1) est un appareil de séchage du linge.
  11. Appareil électroménager selon l'une quelconque des revendications précédentes, dans lequel l'appareil électroménager est un lave-vaisselle.
  12. Appareil électroménager selon l'une quelconque des revendications précédentes, dans lequel l'appareil électroménager est un dispositif de réfrigération.
  13. Procédé de fonctionnement d'un appareil électroménager (1 ; 14 ; 17) comprenant une pompe à chaleur (2), la pompe à chaleur (2) comprenant un compresseur (3), un condenseur (4), un dispositif de détente (5) et un évaporateur (6) connecté en série par un circuit de réfrigérant (7), dans lequel l'appareil électroménager (1) comprend en outre au moins un dispositif de redirection de réfrigérant (8, 9 ; 15, 16 ; 18-21), caractérisé en ce que le procédé comprend la commutation d'au moins un dispositif de redirection de réfrigérant (8, 9 ; 15, 16 ; 18-21) pour inverser localement une direction d'écoulement d'un réfrigérant (R) uniquement à travers l'évaporateur (6) et/ou à travers le condenseur (4), dans lequel l'inversion locale de la direction d'écoulement du réfrigérant (R) uniquement à travers le condenseur (4) et/ou à travers l'évaporateur (6) comporte uniquement l'inversion de l'utilisation d'orifices (CP1, CP2, EP1, EP2) du condenseur (4) et/ou l'évaporateur (6) en tant qu'orifices d'entrée et de sortie, et
    dans lequel lors de l'inversion locale de la direction d'écoulement du réfrigérant (R), une fonction de l'évaporateur (6) et/ou une fonction du condenseur (4) restent les mêmes.
EP17173984.0A 2016-06-09 2017-06-01 Appareil ménager comportant une pompe à chaleur Active EP3255203B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17173984T PL3255203T3 (pl) 2016-06-09 2017-06-01 Urządzenie gospodarstwa domowego zawierające pompę ciepła

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES201630790 2016-06-09
EP16382263.8A EP3255202B1 (fr) 2016-06-09 2016-06-09 Appareil ménager comportant une pompe à chaleur

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EP3255203A1 EP3255203A1 (fr) 2017-12-13
EP3255203B1 true EP3255203B1 (fr) 2020-02-19

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EP (1) EP3255203B1 (fr)
PL (1) PL3255203T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2724363A1 (es) * 2018-03-02 2019-09-10 Bsh Electrodomesticos Espana Sa Aparato secador de ropa con bomba de calor
DE102019214687A1 (de) * 2019-09-25 2021-03-25 BSH Hausgeräte GmbH Gerät zum Trocknen von Wäsche und Verfahren zum Betreiben eines solchen Geräts

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005024113A (ja) 2003-06-30 2005-01-27 Sanyo Electric Co Ltd 乾燥機
ITTO20101018A1 (it) 2010-12-20 2012-06-21 Indesit Co Spa Macchina per l'asciugatura di biancheria ad uso domestico
EP2831528A1 (fr) 2012-03-30 2015-02-04 BSH Bosch und Siemens Hausgeräte GmbH Échangeur de chaleur, appareil ménager comprenant un tel échangeur de chaleur et procédé de fabrication d'un tel échangeur de chaleur
DE102012219975A1 (de) 2012-10-31 2014-04-30 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrocknungsgerät mit Wärmepumpe

Non-Patent Citations (1)

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Title
None *

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PL3255203T3 (pl) 2020-07-13

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