WO2020088847A1 - Sèche-linge hybride - Google Patents

Sèche-linge hybride Download PDF

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Publication number
WO2020088847A1
WO2020088847A1 PCT/EP2019/075614 EP2019075614W WO2020088847A1 WO 2020088847 A1 WO2020088847 A1 WO 2020088847A1 EP 2019075614 W EP2019075614 W EP 2019075614W WO 2020088847 A1 WO2020088847 A1 WO 2020088847A1
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WO
WIPO (PCT)
Prior art keywords
water
water tank
air duct
air
duct
Prior art date
Application number
PCT/EP2019/075614
Other languages
English (en)
Inventor
Mutlu IPEK
Vasi Kadir Ertis
Salih GOK
Samet HOCAOGLU
Faruk KOCABIYIK
Original Assignee
Arcelik Anonim Sirketi
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
Application filed by Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Priority to EP19778480.4A priority Critical patent/EP3874085B1/fr
Publication of WO2020088847A1 publication Critical patent/WO2020088847A1/fr

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—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
    • D06F58/20—General details of domestic 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
    • 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 hybrid laundry dryer comprising a heat pump and a heater.
  • the hot and humid air drawn from the drum cools down and leaves its moisture while passing over the evaporator.
  • the air dehumidified on the evaporator passes over the condenser afterwards.
  • the condenser enables the air to be heated, thus increasing the dehumidification capacity thereof.
  • the air passing over the condenser is delivered back onto the laundry in the tub.
  • the drying cycle continues until the laundry is dry.
  • a resistance heater is provided in the air duct in addition to the heat pump system.
  • the operation system is the same as that of the heat pump laundry dryer, and the resistance heater is used for heating the air together with the condenser.
  • the air dehumidified in the evaporator is heated while passing over the condenser and then reheated again by means of the resistance heater at the fan outlet, in other words at the drum inlet to be delivered onto the laundry.
  • the drying time is shortened with respect to heat pump laundry dryers.
  • the water condensed from the humid air in the evaporator is collected in a discharge duct at the rear side of the machine. Afterwards, said water is sent to the water tank at the upper side of the machine by means of the pump. The water condensing during the drying cycle is pumped into the water tank and collected therein.
  • the water tank has a detachable structure.
  • the user takes the water tank out of the machine and empties and replaces the same. Emptying the water tank is not an easy operation for the users since the water tank is heavy. Moreover, the condensate is emptied without being benefited from.
  • Patent No. EP2392717 (B1) relates to a laundry washer/dryer and the discharge method of the condensate.
  • the aim of the present invention is the realization of a laundry dryer wherein the water collected as a result of condensation is used.
  • the laundry dryer realized in order to attain the aim of the present invention is of hybrid type and comprises a heat pump and a resistance heater.
  • the water collected in the water tank which receives the condensate at the end of the drying process and which is emptied by the user is sent to the air duct, wherein the processing air is circulated, by means of an auxiliary condensation system comprising a supply pump and a connection tube.
  • the water sent to the air duct is sprayed into the air duct by means of nozzles and dehumidifies the processing air.
  • the auxiliary condensation system is used instead of the evaporator in some drying processes wherein the heat pump is not activated and only the resistance heater is operated, and the processing air is dehumidified, thus providing the drying of the laundry.
  • the heat pump is active, the condensate, which is collected in the water tank and which would be emptied by the user, is used.
  • Figure 1 - is the schematic view of the hybrid laundry dryer of the present invention.
  • the hybrid laundry dryer (1) with heat pump (17) and resistance heater (5) comprises a body; a tub (2) wherein the laundry to be dried is loaded; an air duct (3) wherein the processing air (drying air) cycle is performed; a fan (4) providing the circulation of the processing air; a resistance heater (5) which is disposed in the air duct (3) at the inlet of the drum (2); a compressor (6) which provides the refrigerant cycle, an evaporator (7) which is disposed in the air duct (3) and which condenses the humid processing air, a condenser (8) which is disposed in the air duct (3) and which heats the processing air dehumidified in the evaporator (7) and a discharge duct (9) which is disposed at the lower side of the body and wherein the water condensing in the evaporator (7) is collected, which all together form the heat pump (17) which provides the heating and dehumidification of the processing air; a detachable water tank (10) which is disposed at the upper side of the body
  • the hot and humid air drawn from the drum (2) cools down and leaves its moisture while passing over the evaporator (7).
  • the air dehumidified in the evaporator (7) heats up while passing over the condenser (8), and the temperature of the processing air at the inlet of the drum (2) is increased by operating the heater (5) if required.
  • the water condensed from the humid air in the evaporator (7) is collected in the discharge duct (9) under the evaporator (7) and then sent from here to the water tank (10) by means of the discharge pump (11).
  • the water condensed during the drying cycle is collected in the water tank (10), and then the water tank (10) is taken outside and emptied by the user.
  • the laundry dryer (1) of the present invention comprises an auxiliary condensation system (18) having a supply pump (12) which delivers the condensate collected in the water tank (10) to the air duct (3), a connection tube (13) and at least one nozzle (14) which is connected to the end of the connection tube (13), which extends into the air duct (3) and which sprays the water taken from the water tank (10) into the air duct (3).
  • the heater (5) and the auxiliary condensation system (18) are activated instead of the heat pump (17).
  • the processing air circulated in the air duct (3) by means of the fan (4) is heated by means of the heater (5) at the inlet of the drum (2) instead of the condenser (8), the air gathering moisture while passing over the laundry is condensed by means of the water which is taken from the water tank (10) by means of the auxiliary condensation system (18) and sprayed into the air duct (3).
  • the laundry dryer (1) comprises a discharge valve (15) with one inlet and two outlets which is disposed at the outlet of the discharge pump (11), which guides the water condensing in the evaporator (7) and collected in the discharge duct (9) to the water tank (10) when the heat pump (17) is active and which enables the water collected in the discharge duct (9) to be discharged via the water outlet to the outer environment when the heater (5) and the auxiliary condensation system (18) are active.
  • the discharge valve (15) guides the water pumped from the discharge duct (9) by means of the discharge pump (11) to the water tank (10).
  • the water is collected in the water tank (10) to be used in the auxiliary condensation system (18).
  • the heater (5) and the fan (4) are operated and the auxiliary condensation system (18) is activated.
  • the water collected in the water tank (10) in the previous drying cycle is sent into the drying duct (3) by means of the supply pump (12) and the connection tube (13) and sprayed into the air duct (3) by means of the nozzles (14).
  • the auxiliary condensation system (18) sprays water by means of the nozzles (14) into the part of the air duct (3) which is before the evaporator (7) in the air flow direction and which is the narrowest cross-section of the air duct (3). Since the air flow rate increases at this region, the rate of condensation gets higher.
  • the laundry dryer (1) comprises a sensor unit (16), for example an ammeter, which is electrically connected to the supply pump (12), which determines the amount of water pumped from the water tank (10) into the air duct (3) and whether the water has run out by measuring the current drawn by the supply pump (12), and which provides that the supply pump (12), hence the auxiliary condensation system (18), is deactivated and the heat pump (17) is activated when the water in the water tank (10) has run out.
  • the sensor unit (16) detects that the water in the water tank (10) has run out and the supply pump (12) "runs idle,” the supply pump (12) is stopped and the auxiliary condensation system (18) is deactivated.
  • the processing air is condensed by the evaporator (7).
  • the auxiliary condensation system (18) When the auxiliary condensation system (18) is active, the water pumped from the discharge duct (9) by the discharge pump (11) is discharged by means of the discharge valve (15).
  • the heat pump (17) When the heat pump (17) is activated, the water pumped from the discharge duct (9) by the discharge pump (11) is sent to the water tank (10) and collected therein.
  • the condensate collected in the water tank (10) is used in the dehumidification process in the next drying cycle.
  • the heat pump (17) is not operated, and the processing air is heated only by the heater (5) and the processing air is dehumidified by the auxiliary condensation system (18). By using the condensate, savings are provided.

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

Abstract

La présente invention concerne un sèche-linge hybride (1) avec une pompe à chaleur (17) et un dispositif de chauffage par résistance (5), comprenant une cuve (2) ; un conduit d'air (3) dans lequel le cycle d'air de traitement est réalisé ; un ventilateur (4) assurant la circulation de l'air de traitement ; un dispositif de chauffage par résistance (5) qui est disposé dans le conduit d'air (3) à l'entrée du tambour (2) ; un compresseur (6) qui assure le cycle de réfrigération, un évaporateur (7) qui est disposé dans le conduit d'air (3) et qui condense l'air de traitement humide, un condenseur (8) qui est disposé dans le conduit d'air (3) et qui chauffe l'air de traitement déshumidifié dans l'évaporateur (7) et un conduit d'évacuation (9) qui est disposé sur le côté inférieur du corps et dans lequel la condensation d'eau dans l'évaporateur (7) est collectée, qui forment ensemble la pompe à chaleur (17) assurant le chauffage et la déshumidification de l'air de traitement ; un réservoir d'eau amovible (10) qui est disposé sur le côté supérieur du corps, qui reçoit le condensat et qui est ensuite vidé par l'utilisateur ; et une pompe de refoulement (11) qui pompe l'eau dans le conduit d'évacuation (9) dans le réservoir d'eau (10).
PCT/EP2019/075614 2018-11-01 2019-09-24 Sèche-linge hybride WO2020088847A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19778480.4A EP3874085B1 (fr) 2018-11-01 2019-09-24 Un séchoir à linge hybride

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2018/16349 2018-11-01
TR201816349 2018-11-01

Publications (1)

Publication Number Publication Date
WO2020088847A1 true WO2020088847A1 (fr) 2020-05-07

Family

ID=68069761

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/075614 WO2020088847A1 (fr) 2018-11-01 2019-09-24 Sèche-linge hybride

Country Status (2)

Country Link
EP (1) EP3874085B1 (fr)
WO (1) WO2020088847A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114481577A (zh) * 2020-10-27 2022-05-13 青岛海尔洗衣机有限公司 一种干衣机及干衣控制方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1550829A1 (fr) * 2002-09-26 2005-07-06 Matsushita Electric Industrial Co., Ltd. Appareil de sechage
EP2392717A2 (fr) 2009-01-09 2011-12-07 LG Electronics Inc. Machine à laver et procédé de commande de cette dernière
EP2796614A1 (fr) * 2011-12-20 2014-10-29 Panasonic Corporation Sèche-linge et procédé de nettoyage d'un évaporateur dans un sèche-linge
EP3246456A1 (fr) * 2015-01-12 2017-11-22 Qingdao Haier Washing Machine Co., Ltd. Procédé de commande de sèche-linge, et sèche-linge
EP3309292A1 (fr) * 2016-10-14 2018-04-18 Whirlpool Corporation Système de traitement de filtre pour un appareil de blanchissage à pompe thermique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9834882B2 (en) * 2011-07-07 2017-12-05 Haier Us Appliance Solutions, Inc. Device and method for heat pump based clothes dryer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1550829A1 (fr) * 2002-09-26 2005-07-06 Matsushita Electric Industrial Co., Ltd. Appareil de sechage
EP2392717A2 (fr) 2009-01-09 2011-12-07 LG Electronics Inc. Machine à laver et procédé de commande de cette dernière
EP2796614A1 (fr) * 2011-12-20 2014-10-29 Panasonic Corporation Sèche-linge et procédé de nettoyage d'un évaporateur dans un sèche-linge
EP3246456A1 (fr) * 2015-01-12 2017-11-22 Qingdao Haier Washing Machine Co., Ltd. Procédé de commande de sèche-linge, et sèche-linge
EP3309292A1 (fr) * 2016-10-14 2018-04-18 Whirlpool Corporation Système de traitement de filtre pour un appareil de blanchissage à pompe thermique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114481577A (zh) * 2020-10-27 2022-05-13 青岛海尔洗衣机有限公司 一种干衣机及干衣控制方法
CN114481577B (zh) * 2020-10-27 2024-01-23 上海海尔洗涤电器有限公司 一种干衣机及干衣控制方法

Also Published As

Publication number Publication date
EP3874085A1 (fr) 2021-09-08
EP3874085B1 (fr) 2024-04-24

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