WO2011105729A2 - Machine de traitement de linge - Google Patents

Machine de traitement de linge Download PDF

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Publication number
WO2011105729A2
WO2011105729A2 PCT/KR2011/001146 KR2011001146W WO2011105729A2 WO 2011105729 A2 WO2011105729 A2 WO 2011105729A2 KR 2011001146 W KR2011001146 W KR 2011001146W WO 2011105729 A2 WO2011105729 A2 WO 2011105729A2
Authority
WO
WIPO (PCT)
Prior art keywords
air
drum
cabinet
heater
heat exchanger
Prior art date
Application number
PCT/KR2011/001146
Other languages
English (en)
Korean (ko)
Other versions
WO2011105729A3 (fr
Inventor
김성민
김종석
박대윤
홍석기
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2011105729A2 publication Critical patent/WO2011105729A2/fr
Publication of WO2011105729A3 publication Critical patent/WO2011105729A3/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 
    • 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 
    • D06F58/26—Heating arrangements, e.g. gas heating equipment
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
    • 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
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/08—Humidity
    • 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
    • D06F2103/28—Air properties
    • D06F2103/32—Temperature
    • 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
    • D06F2103/28—Air properties
    • D06F2103/34—Humidity
    • 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
    • D06F2103/56—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to air ducts, e.g. position of flow diverters
    • 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
    • D06F2105/28—Electric heating
    • 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
    • D06F2105/30—Blowers
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/26—Condition of the drying air, e.g. air humidity or temperature

Definitions

  • the present invention relates to a laundry treatment apparatus, and more particularly, to a laundry treatment apparatus for drying laundry efficiently.
  • the laundry treatment apparatus refers to all devices for managing or treating clothes, bedding, etc. (hereinafter, abbreviated as “laundry”), such as washing, drying, or removing wrinkles in a home or a laundry.
  • the laundry treatment device uses a chemical decomposition action of water and detergent and physical action such as friction between water and laundry, and a washing machine for separating contaminants from laundry, a dryer for dehydrating and drying wet laundry, and heating the laundry.
  • a refresher for washing the laundry simply.
  • a dryer is a household appliance that normally drys laundry, that is, mainly clothes, using hot air.
  • the dryer is divided into a condensation dryer and an exhaust dryer according to the method of flowing hot air.
  • the condensing dryer In the condensing dryer, the air that has been heated and exchanged with the laundry in the drum is circulated without being discharged to the outside of the dryer, and the condensate is made by exchanging heat with the outside air in a separate condenser and discharged to the outside.
  • the exhaust dryer In the exhaust dryer, the air that has been heat-exchanged with the laundry in the drum and becomes humid is discharged directly to the outside of the dryer.
  • Condensation type dryer has the advantage of saving energy because it reuses the heated air, but there is a disadvantage that the drying performance is poor because the moisture removal is not good. On the contrary, while the exhaust dryer is well dehumidified, it has a disadvantage of high energy consumption.
  • the problem to be solved by the present invention is to provide a laundry treatment apparatus that is energy-saving and drying performance is ensured by reusing the heat energy of the air exhausted after drying the laundry.
  • a laundry treatment apparatus the cabinet forming an appearance; A drum disposed in the cabinet and containing laundry; A heater for heating air introduced into the drum; An exhaust passage through which the air passing through the drum is exhausted to the outside of the cabinet; And a heat exchanger in which air exhausted into the exhaust passage and air introduced into the heater exchange heat.
  • a laundry treatment apparatus the cabinet forming an appearance; A drum disposed in the cabinet and containing laundry; A heater for heating air introduced into the drum; An exhaust passage through which the air passing through the drum is exhausted to the outside of the cabinet; And a heat exchanger for moving the thermal energy of the air exhausted into the exhaust passage to the air heated by the heater.
  • laundry treatment apparatus of the present invention has one or more of the following effects.
  • the air exhausted after drying the laundry has an advantage of efficiently discharging the condensate generated by heat exchange with the air to dry the laundry.
  • FIG. 1 is an exploded perspective view of a laundry treatment apparatus according to an embodiment of the present invention.
  • FIG. 2 is a cutaway view of a laundry treatment apparatus according to an embodiment of the present invention.
  • FIG 3 is a view showing a heat exchanger of the laundry treatment apparatus according to an embodiment of the present invention.
  • Figure 4 is a block diagram showing a laundry treatment apparatus according to an embodiment of the present invention.
  • FIG. 5 is a view showing a step of operating the damper during the operation of the laundry treatment apparatus according to an embodiment of the present invention.
  • FIG. 1 is an exploded perspective view of a laundry treatment apparatus according to an embodiment of the present invention
  • Figure 2 is a cutaway view of a laundry treatment apparatus according to an embodiment of the present invention.
  • a laundry treatment apparatus includes a cabinet 1 forming an exterior, a drum 10 disposed inside the cabinet 1 to accommodate laundry, The suction passage 20 installed to suck air into the drum 10, the heat exchanger 30 installed on the suction passage 20, and the air passing through the drum 10 are exhausted to the outside of the cabinet 1. An exhaust flow path 40 is included.
  • the cabinet 1 includes a base 2, a cabinet main body 3 provided on the upper side of the base 2, a cabinet cover 4 provided on the front of the cabinet main body 3, and a rear surface of the cabinet main body 3. It comprises a back panel 7 provided on the top cover, a top cover 8 provided on the upper surface of the cabinet body 3, and a control panel 9 provided on the upper end of the cabinet cover 4.
  • the cabinet cover 4 is provided with an entrance hole 5 through which laundry enters and exits the drum 10, and a door 6 for opening and closing the laundry entrance hole 5 is rotatably connected.
  • a control panel 9 is installed at the upper end of the cabinet cover 4.
  • the control panel 9 is provided with an input unit 9a for receiving a user's command, and a display unit 9b for displaying an operating state of the dryer such as a drying progress state, a drying progress degree, a remaining time of drying, and a selection of a drying mode. .
  • the front supporter 11 which mounts the back end of the drum 10 rotatably is mounted in the back of the cabinet cover 4.
  • a rear supporter 12 is mounted to support the rear end of the drum 10 in a rotatable manner.
  • the rear supporter 12 is provided with a communication hole 13 for communicating the suction passage 20 and the drum 10 so that the air passing through the suction passage 20 can be sucked into the inlet of the drum 10.
  • the drum 10 is formed in a cylindrical cylinder which is opened in the front-rear direction so that laundry is accommodated therein and air passes in the front-rear direction.
  • the drum 10 has a lift 14 formed to protrude on the inner circumferential surface so that laundry can be lifted and dropped during rotation.
  • the suction passage 20 has a lower end communicating with the heat exchanger 30, and heated air flows therein, and an upper end communicates with a communication hole 13 of the rear supporter 12, whereby heated air flows into the drum 10. It acts as a passageway.
  • the exhaust flow passage 40 includes a lint duct 42 which communicates with the drum so that air in the drum 10 can be exhausted, and is equipped with a lint filter 41 so as to filter foreign matter such as seams in the air.
  • a fan housing 44 in communication with the duct 42 and having a blower fan 43 embedded therein, and an exhaust pipe 46 having one end in communication with the fan housing 44 and the other end extending out of the cabinet 1. do.
  • the exhaust pipe 46 exhausts the air in the drum 10 to the outside of the cabinet 1.
  • the heat exchanger 30 is installed on the upper surface of the base 2, and heat-exchanges the air exhausted to the exhaust passage 40 and the air to be introduced into the suction passage 20. Detailed description thereof will be described later with reference to FIG. 3.
  • FIG 3 is a view showing a heat exchanger of the laundry treatment apparatus according to an embodiment of the present invention.
  • the heat exchanger 30 for heat-exchanging the air to be exhausted into the exhaust flow path 40 and the air to be introduced into the suction flow path 20, the heat exchanger is provided in the drum It includes a heater 32 for heating the incoming air.
  • the heat exchanger 30 may penetrate a part of the exhaust passage 40 so that the air exhausted into the exhaust passage 40 and the air to be introduced into the suction passage 20 may exchange heat. 46 is penetrated.
  • the exhaust pipe 46 is preferably formed with a heat dissipation fin 46a on the outer surface so that heat exchange can be made well.
  • the heat exchanger 30 preferably includes a heat exchanger case 31 through which the exhaust pipe 46 penetrates and the heater 32 is provided therein.
  • the heat exchanger case 31 is preferably formed to be heated by the heater 32 after the incoming air receives heat from the heat radiating fin 46a.
  • a heat exchanger communication hole 34 communicating with the suction flow path 20 is preferably formed.
  • Laundry treatment apparatus includes a condensate drain 47 for the condensed water generated in the air exhausted to the exhaust passage 40 after the heat exchange in the heat exchanger (30) drained outside the cabinet (1) Can be.
  • the condensate drain 47 extends outside the cabinet 1 through the heat exchanger 30 in the exhaust pipe 46 to drain the condensate generated in the air passing through the heat exchanger 30 in the exhaust flow path 40. It is preferable to be provided in the part.
  • the condensate drain 47 may include a reservoir (not shown) in which condensate is collected and a drain pump (not shown) for draining the condensate collected in the reservoir.
  • the condensate drain 47 may be provided with a drain pipe 48 to allow the condensate drained by the drain pump to drain out of the cabinet 1.
  • Condensate generated in the exhaust pipe 46 may be drained directly to the outside of the cabinet 1 through the exhaust pipe 46 by the wind pressure of the air exhausted through the exhaust pipe 46, in which case the condensate drain 47 May be omitted.
  • the laundry treatment apparatus includes a damper 33 provided in the exhaust passage so that the air exhausted from the exhaust passage 40 flows out into the drum 10, and the exhaust passage 40 is exhausted from the exhaust passage 40. It may include a humidity sensor 81 for measuring the humidity of the air to be, and a temperature sensor 82 for measuring the temperature of the air flowing into the drum (10).
  • the damper 33 is preferably provided in the heat exchanger 30 such that the air exhausted from the exhaust passage 40 is mixed with the air heated by the heater 32 and introduced into the drum 10. It is preferable that a part of the side surface of the portion passing through the heat exchanger 30 of the exhaust pipe 46 is opened, and the damper 33 preferably opens and closes the opened portion of the exhaust pipe 46.
  • the humidity sensor 81 measures the humidity of the air exhausted from the exhaust flow passage 40.
  • the humidity sensor 81 is preferably provided in the exhaust pipe 46 of the exhaust flow passage 40.
  • the operation of the damper 33 is controlled according to the humidity measured by the humidity sensor 81. The description thereof will be described later with reference to FIGS. 4 and 5.
  • the temperature sensor 82 measures the temperature of the air flowing into the drum 10.
  • the temperature sensor 82 preferably measures the temperature of air mixed with the air flowing out of the damper and the air heated in the heater 32.
  • the temperature sensor 82 measures the temperature of the damper 33 and the heat exchanger in the heat exchanger 30. It is provided between the communication hole (34). The operation of the damper 33 is controlled in accordance with the temperature measured by the temperature sensor 82. The description thereof will be described later with reference to FIGS. 4 and 5.
  • Figure 4 is a block diagram showing a laundry treatment apparatus according to an embodiment of the present invention
  • Figure 5 is a view showing a step of operating the damper during the operation of the laundry treatment apparatus according to an embodiment of the present invention.
  • Laundry treatment apparatus controls the damper 33, the motor 72 and the heater 32 according to the humidity measured in the humidity sensor 81 and the temperature measured in the temperature sensor 82 It may include a control unit 90.
  • the control unit 90 is preferably provided in the control panel 9.
  • the controller 90 controls the damper 33 so that the air exhausted through the exhaust passage 40 flows into the drum 10 when the humidity measured by the humidity sensor 81 is equal to or less than the reference humidity.
  • the controller 90 controls the damper 33 so that the air exhausted through the exhaust passage 40 flows into the drum 10 when the temperature measured by the temperature sensor 82 is equal to or less than the reference temperature.
  • the motor 72 is driven, the belt 70 and the blowing fan 43 rotate, the drum 10 rotates by the rotation of the belt 70, and the laundry in the drum 10 is transferred to the lift 14. The operation of lifting up and falling down is repeated.
  • the hot air sucked into the drum 10 is dried on the laundry in the drum 10, and then exhausted to the outside through the exhaust passage 40.
  • the hot air exhausted through the exhaust flow passage 40 exchanges heat with the air in the cabinet 1 flowing into the heater 32 from the heat exchanger 30.
  • the air flowing into the heater 32 is primarily heated through heat exchange in the heat exchanger 30 and then reheated by the heater 32.
  • the condensed water generated after the air exhausted to the outside through the exhaust flow path 40 exchanges heat in the heat exchanger 30 is drained to the outside of the cabinet 1 through the condensate drain 47.
  • the heater 32 is not sufficiently heated so that the temperature measured by the temperature sensor 82 is low.
  • the laundry is hardly dried, and the humidity measured by the humidity sensor 81 is very high.
  • the controller 90 opens the damper 33 so that the air exhausted from the exhaust flow passage 40 is mixed with the air heated in the heater 32 and introduced into the drum 10. The air exhausted into the exhaust passage 40 is reused so that the air flowing into the drum 10 is heated quickly.
  • the controller 90 closes the damper 33 so that the air exhausted from the exhaust passage 40 is heated. Do not mix with heated air at (32).
  • step 2 since the humid air exhausted from the exhaust passage 40 is not reused, the laundry is dried quickly, and the humidity measured by the humidity sensor 81 decreases rapidly.
  • the control unit 90 opens the damper 33 again to exhaust the exhaust passage 40 in these three steps.
  • the air is mixed with the air heated in the heater 32 to be introduced into the drum (10).
  • the controller 90 may stop the operation of the heater 32 intermittently in three steps. Since the air exhausted from the exhaust flow path 40 has a very high temperature, even if the controller 90 intermittently stops the operation of the heater 32, it is possible to maintain a high temperature.
  • the controller 90 stops the operation of the heater 32 and the motor 72 to finish the operation of the laundry treatment apparatus.
  • the heat exchanger 30 indirectly moves the thermal energy of the air exhausted into the exhaust flow path 40 to the air to be introduced into the suction flow path 20, or the damper 33 provided in the heat exchanger 30.
  • the heat energy of the air exhausted to the exhaust passage 40 through the direct movement to the air to be introduced into the suction passage (20).

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

Abstract

La présente invention porte sur une machine de traitement de linge qui réutilise l'énergie thermique du rejet d'air après le séchage du linge pour économiser l'énergie et sécuriser la performance de séchage. Une machine de traitement de linge selon un mode de réalisation à titre d'exemple de la présente invention comprend un coffre formant une apparence externe de la machine de traitement de linge; un tambour disposé dans le coffre pour contenir le linge; un élément chauffant destiné à chauffer l'air s'écoulant dans le tambour; une voie d'écoulement d'évacuation destinée à rejeter l'air qui est passé à travers le tambour vers l'extérieur du coffre; et un échangeur de chaleur destiné à échanger de la chaleur avec le rejet d'air à travers la voie d'écoulement d'évacuation, l'air s'écoulant dans l'élément chauffant.
PCT/KR2011/001146 2010-02-24 2011-02-22 Machine de traitement de linge WO2011105729A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100016786A KR101663523B1 (ko) 2010-02-24 2010-02-24 세탁물 처리장치
KR10-2010-0016786 2010-02-24

Publications (2)

Publication Number Publication Date
WO2011105729A2 true WO2011105729A2 (fr) 2011-09-01
WO2011105729A3 WO2011105729A3 (fr) 2011-11-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/001146 WO2011105729A2 (fr) 2010-02-24 2011-02-22 Machine de traitement de linge

Country Status (2)

Country Link
KR (1) KR101663523B1 (fr)
WO (1) WO2011105729A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101305190B1 (ko) 2011-09-26 2013-09-12 기아자동차주식회사 요소수 히팅장치 및 그 방법
WO2015009034A1 (fr) * 2013-07-16 2015-01-22 Lg Electronics Inc. Sèche-linge

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028817A (en) * 1975-09-29 1977-06-14 Auto-Heat, Inc. Apparatus for recovery of heat from exhaust gases of dryer
US7213349B1 (en) * 2006-08-01 2007-05-08 Brunner Richard A Heat recovery system for clothes dryer
DE102007042969A1 (de) * 2007-09-10 2009-03-12 BSH Bosch und Siemens Hausgeräte GmbH Trockner mit Wärmerückgewinnung und Umluftanteil sowie Verfahren zu seinem Betrieb
KR20090116108A (ko) * 2008-05-06 2009-11-11 주식회사 대우일렉트로닉스 건조기

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100598383B1 (ko) * 2004-07-20 2006-07-07 삼성전자주식회사 세탁기
KR100600730B1 (ko) * 2004-12-10 2006-07-18 엘지전자 주식회사 배기식 건조기/세탁건조기
KR100629343B1 (ko) * 2005-02-03 2006-09-29 엘지전자 주식회사 배기식 건조기/세탁건조기 및 그 제어 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028817A (en) * 1975-09-29 1977-06-14 Auto-Heat, Inc. Apparatus for recovery of heat from exhaust gases of dryer
US7213349B1 (en) * 2006-08-01 2007-05-08 Brunner Richard A Heat recovery system for clothes dryer
DE102007042969A1 (de) * 2007-09-10 2009-03-12 BSH Bosch und Siemens Hausgeräte GmbH Trockner mit Wärmerückgewinnung und Umluftanteil sowie Verfahren zu seinem Betrieb
KR20090116108A (ko) * 2008-05-06 2009-11-11 주식회사 대우일렉트로닉스 건조기

Also Published As

Publication number Publication date
KR20110097125A (ko) 2011-08-31
KR101663523B1 (ko) 2016-10-07
WO2011105729A3 (fr) 2011-11-10

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