公开(公告)号：WO2015172840A1

公开(公告)日：2015-11-19

申请号：PCT/EP2014/060068

申请日：2014-05-16

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： CAVARRETTA, Francesco ,  DALLA ROSA, Alessandro

IPC: D06F58/20 ,  D06F58/28

CPC classification number: D06F58/206 ,  D06F58/28 ,  D06F2058/287

Abstract: The present invention relates to a laundry dryer (1) of the type comprising a heat pump system (20) having a refrigerant circuit (30) for a refrigerant (R) and comprising a process air circuit (10) in communication with a laundry container (9) suited for receiving laundry to be dried using process air (A). The refrigerant circuit (30) comprises: a first heat exchanger (21) for heating the process air (A) and cooling the refrigerant (R); a second heat exchanger (23) for cooling the process air (A) and heating the refrigerant (R); a refrigerant expansion device (22) arranged in the refrigerant circuit (30) between the first heat exchanger (21) and the second heat exchanger (23); and a compressor (24) arranged in the refrigerant circuit (30) between the second heat exchanger (23) and the first heat exchanger (21). The compressor (24) comprises a compressor chamber (260) and the product of the volume (Vd) of the compressor chamber (260) and the latent heat of evaporation (LHS) of the refrigerant (R) at the evaporation temperature is preferably higher than 2500 cm3*kJ/m3, when the heat pump system (20) is in steady state condition.

Abstract translation: 本发明涉及一种包括具有用于制冷剂（R）的制冷剂回路（30）的热泵系统（20）的类型的衣物干燥器（1），其包括与衣物容器连通的处理空气回路（10） （9）适用于使用工艺空气（A）接收待干燥的衣物。 制冷剂回路（30）包括：用于加热工艺空气（A）并冷却制冷剂（R）的第一热交换器（21） 用于冷却处理空气（A）并加热制冷剂（R）的第二热交换器（23）; 布置在第一热交换器（21）和第二热交换器（23）之间的制冷剂回路（30）中的制冷剂膨胀装置（22） 以及布置在第二热交换器（23）和第一热交换器（21）之间的制冷剂回路（30）中的压缩机（24）。 压缩机（24）包括压缩机室（260），并且在蒸发温度下，制冷剂（R）的蒸发潜热（LHS）的蒸发温度下的压缩室（260）的体积（Vd）和蒸发潜热（LHS）的乘积优选较高 当热泵系统（20）处于稳态状态时，高于2500cm 3 * kJ / m3。

公开(公告)号：WO2015090431A1

公开(公告)日：2015-06-25

申请号：PCT/EP2013/077614

申请日：2013-12-20

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： BELLOMARE, Filippo ,  DALLA ROSA, Alessandro

IPC: D06F58/20

CPC classification number: D06F58/206

Abstract: The present invention relates to an articles treatment appliance (1), in particular for treating laundry or tableware, having a heat pump system (5), the heat pump system having a refrigerant loop. The appliance (1) comprises: an articles treatment chamber (2) for treating articles using a medium; a first heat exchanger (6) for heating a refrigerant; a second heat exchanger (7) for cooling the refrigerant and heating the medium; a refrigerant expansion device (14) arranged in the refrigerant loop between the second heat exchanger (7) and the first heat exchanger (6), and a compressor (8) arranged in the refrigerant loop between the first heat exchanger (6) and the second heat exchanger (7). The refrigerant is a blend comprising carbon dioxide (CO 2 ) and at least one hydrocarbon (HC).

Abstract translation: 本发明涉及具有热泵系统（5）的具有制冷剂回路的热泵系统的用于处理衣物或餐具的物品处理器具（1）。 器具（1）包括：用于使用介质处理制品的物品处理室（2） 用于加热制冷剂的第一热交换器（6） 第二热交换器（7），用于冷却制冷剂并加热介质; 布置在第二热交换器（7）和第一热交换器（6）之间的制冷剂回路中的制冷剂膨胀装置（14）和布置在第一热交换器（6）和第一热交换器 第二热交换器（7）。 制冷剂是包含二氧化碳（CO 2）和至少一种烃（HC）的混合物。

公开(公告)号：WO2021244878A1

公开(公告)日：2021-12-09

申请号：PCT/EP2021/063639

申请日：2021-05-21

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： SESSOLO, Mattia ,  ZAVAN, Christian ,  RAGOGNA, Roberto ,  RICCI, Alessandro ,  DALLA ROSA, Alessandro

IPC: D06F58/46 ,  D06F58/20 ,  D06F34/26 ,  D06F103/32 ,  D06F103/34 ,  D06F103/38 ,  D06F105/26 ,  D06F105/30 ,  D06F105/46 ,  D06F58/30 ,  D06F25/00 ,  D06F103/50 ,  D06F2103/32 ,  D06F2103/34 ,  D06F2103/38 ,  D06F2103/50 ,  D06F2105/26 ,  D06F2105/30 ,  D06F2105/46 ,  D06F58/206 ,  D06F58/50

Abstract: The invention relates a method for controlling a laundry drying machine (1; 201) equipped with a heat pump system (50) during a drying cycle. The laundry drying machine (1; 201) comprises: a control unit (UC1); a rotatable treating chamber (9) where laundry can be introduced to be dried with a drying air stream; a heat pump system (50) including a compressor (52); a passive switching device (70), not controllable by the control unit (UC1), adapted to cut the power supplied to the compressor (52); an active switching device (72), controllable by the control unit (UC1), for selectively switching on and off the compressor (52). The method comprises the steps of: starting a drying cycle; activating the heat pump system (50) by switching on the compressor (52); rotating the treating chamber (9); evaluating if an inversion of direction of rotation of the treating chamber (9) has to be performed and, if an inversion of direction of rotation has to be performed, evaluating if an operating condition of the compressor (52) which can cause the activation of the passive switching device (70) exists; if the operating condition does not exist, then performing the inversion of direction of rotation of the treating chamber (9), otherwise if the operating condition exists then performing the following steps: switching off the compressor (52); performing the inversion of direction of rotation of the treating chamber (9); switching on the compressor (52).

公开(公告)号：WO2015082011A1

公开(公告)日：2015-06-11

申请号：PCT/EP2013/075722

申请日：2013-12-05

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： CAVARRETTA, Francesco ,  PASQUOTTI, Maura ,  ROSSI, Giuseppe ,  DALLA ROSA, Alessandro

IPC: D06F58/28

CPC classification number: D06F58/28 ,  D06F2058/2816 ,  D06F2058/2832 ,  D06F2058/2854 ,  D06F2058/2864 ,  D06F2058/287 ,  D06F2058/2896 ,  Y02B40/72

Abstract: The present invention relates to a method for controlling a drying cycle in a laundry drying machine (1) of the type comprising a heat pump system (20) having a refrigerant circuit (30) for a refrigerant and comprising a drying air circuit (10) for conveying a volume flow of drying air (A) in a laundry drum (9) suitable for receiving laundry to be dried. The refrigerant circuit (30) comprises: a compressor (24) with a variable rotation speed (Cs); a first heat exchanger (21) for a thermal coupling between the drying air circuit (10) and the refrigerant circuit (30) and a second heat exchanger (23) for a further thermal coupling between the drying air circuit (10) and the refrigerant circuit (30). The method comprises an optimization procedure comprising the step of controlling the rotation speed (Cs) or the power (Cp) of the compressor (24) during a plurality of time intervals (Δt n-2 ; Δt n-1 -; Δt n ) of the drying cycle. The optimization procedure comprises the steps of: determining an efficiency parameter (F(t n-1 )) related to the amount of water removed from the laundry during a first time interval (Δt n-2 ); determining an efficiency parameter (F(t n )) related to the amount of water removed from the laundry during a second time interval (Δt n-1 ); comparing the efficiency parameter (F(t n )) determined during the second time interval (Δt n-t ) with the efficiency parameter (F(t n-1 )) determined during the first time interval (Δt n-2 ); adjusting the rotation speed (Cs) or the power (C P ) of the compressor (24) in a third time interval (Δt n ) according to the result of said comparison.

Abstract translation: 本发明涉及一种用于控制衣物干燥机（1）中的干燥循环的方法，该烘干机包括具有用于制冷剂的制冷剂回路（30）的热泵系统（20），其包括干燥空气回路（10） 用于将干燥空气（A）的体积流量输送到适于接收待干燥衣物的衣物滚筒（9）中。 制冷剂回路（30）包括：具有可变转速（Cs）的压缩机（24）; 用于干燥空气回路（10）和制冷剂回路（30）之间的热耦合的第一热交换器（21）和用于干燥空气回路（10）和制冷剂之间的进一步热耦合的第二热交换器（23） 电路（30）。 该方法包括一个优化过程，包括在干燥的多个时间间隔（Δtn-2;Δtn-1-;Δtn）期间控制压缩机（24）的转速（Cs）或功率（Cp） 周期。 优化步骤包括以下步骤：确定与在第一时间间隔（Δtn-2）期间从衣物去除的水量有关的效率参数（F（tn-1））; 确定与在第二时间间隔（Δtn-1）期间从衣物去除的水量相关的效率参数（F（tn））; 将在第二时间间隔（Δtn-t）期间确定的效率参数（F（tn））与在第一时间间隔（Δtn-2）期间确定的效率参数（F（tn-1））进行比较; 根据所述比较的结果，在第三时间间隔（Δtn）中调节压缩机（24）的转速（Cs）或功率（CP）。

公开(公告)号：WO2021244876A1

公开(公告)日：2021-12-09

申请号：PCT/EP2021/063633

申请日：2021-05-21

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： SESSOLO, Mattia ,  ZAVAN, Christian ,  RAGOGNA, Roberto ,  RICCI, Alessandro ,  DALLA ROSA, Alessandro ,  ANTONELLO, Stefano

IPC: D06F58/50 ,  D06F58/20 ,  D06F34/08 ,  D06F103/32 ,  D06F103/48 ,  D06F105/26 ,  D06F105/52 ,  D06F105/30 ,  D06F103/00 ,  D06F2103/00 ,  D06F2103/32 ,  D06F2103/48 ,  D06F2105/26 ,  D06F2105/30 ,  D06F2105/52 ,  D06F58/206 ,  D06F58/46

Abstract: The invention relates to a method for controlling a laundry drying machine (1) equipped with a heat pump system (50) including a compressor (52) and equipped with at least a passive switching device (70), not controllable by a control unit (UC1), adapted to cut the power supplied to the compressor (52) when predetermined operative parameters thresholds are exceeded. The machine (1) further comprises at least one compressor cooling fan (60) and at least one temperature sensor (80, 85). The method comprises the steps of: activating the heat pump system (50) by switching on said compressor (52); detecting a machine temperature (Tm) related to temperature conditions of the laundry drying machine (1); detecting an electric parameter (Vd) related to the electric current absorbed by said compressor (52); detecting a temperature (Tr) related to the compressor (52); switching on said cooling fan (60) if said temperature (Tr) related to the compressor (52) is above one switch ON threshold temperature (Fan_Ton) selected among predetermined threshold temperatures (Fan_Ton); switching off said cooling fan (60) if said temperature (Tr) related to the compressor (52) is below one switch OFF threshold temperature (Fan_Toff) selected among predetermined threshold temperatures (Fan_Toff); maintaining said compressor (52) switched on or switching on said compressor (52) if said temperature (Tr) related to the compressor (52) is below one switch ON/OFF threshold temperature (Comp_Ton/off) among predetermined threshold temperatures (Comp_Ton/off); switching off said compressor (52) if said temperature related (Tr) to the compressor (52) is above, or equal to, one switch ON/OFF threshold temperature (Comp_Ton/off) among predetermined threshold temperatures (Comp_Ton/off). The predetermined threshold temperatures (Fan_Ton, Fan_Ton, Comp_Ton/off) are defined on the base of ranges of the machine temperature (Tm) and on the base of ranges of said electric parameter (Vd).

公开(公告)号：WO2015172839A1

公开(公告)日：2015-11-19

申请号：PCT/EP2014/060065

申请日：2014-05-16

Applicant: ELECTROLUX APPLIANCES AKTIEBOLAG

Inventor： CAVARRETTA, Francesco ,  DALLA ROSA, Alessandro

IPC: D06F58/20 ,  D06F58/28

CPC classification number: D06F58/206 ,  D06F58/28 ,  D06F2058/287

Abstract: The present invention relates to a laundry dryer (1) of the type comprising a heat pump system (20) having a refrigerant circuit (30) for a refrigerant (R) and comprising a process air circuit (10) in communication with a laundry container (9) suited for receiving laundry to be dried using process air (A). The refrigerant circuit (30) comprises: a first heat exchanger (21) for heating the process air (A) and cooling the refrigerant (R), said first heat exchanger (21) comprising a heat exchanger outlet (28) for expelling the heated process air (A) for the laundry container (9); a second heat exchanger (23) for cooling the process air (A) and heating the refrigerant (R); a refrigerant expansion device (22) arranged in the refrigerant circuit (30) between the first heat exchanger (21) and the second heat exchanger (23); and a compressor (24) arranged in the refrigerant circuit (30) between the second heat exchanger (23) and the first heat exchanger (21). The compressor (24) comprises a compressor chamber (260) and a compressor inlet (24a) where the refrigerant (R) is sucked for the compressor chamber (260). The product of the volume (Vd) of the compressor chamber (260) and the refrigerant density (RDS) at said compressor inlet (24a) in steady state condition of the heat pump system (20) is comprised between 40 cm 3 *kg/m 3 and 250 cm 3 *kg/m 3 .

Abstract translation: 本发明涉及一种包括具有用于制冷剂（R）的制冷剂回路（30）的热泵系统（20）的类型的衣物干燥器（1），其包括与衣物容器连通的处理空气回路（10） （9）适用于使用工艺空气（A）接收待干燥的衣物。 制冷剂回路（30）包括：用于加热工艺空气（A）并冷却制冷剂（R）的第一热交换器（21），所述第一热交换器（21）包括热交换器出口（28） 用于衣物容器（9）的处理空气（A）; 用于冷却处理空气（A）并加热制冷剂（R）的第二热交换器（23）; 布置在第一热交换器（21）和第二热交换器（23）之间的制冷剂回路（30）中的制冷剂膨胀装置（22） 以及布置在第二热交换器（23）和第一热交换器（21）之间的制冷剂回路（30）中的压缩机（24）。 压缩机（24）包括压缩机室（260）和压缩机入口（24a），其中制冷剂（R）被抽吸用于压缩机室260。 在热泵系统（20）的稳定状态下，压缩机室260的体积（Vd）和所述压缩机入口24a处的制冷剂密度（RDS）的乘积为40cm 3 * kg / m3和250 cm3 * kg / m3。