EP2924163B1 - Haushaltsgerät zum Waschen oder Trocknen - Google Patents

Haushaltsgerät zum Waschen oder Trocknen Download PDF

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Publication number
EP2924163B1
EP2924163B1 EP14200029.8A EP14200029A EP2924163B1 EP 2924163 B1 EP2924163 B1 EP 2924163B1 EP 14200029 A EP14200029 A EP 14200029A EP 2924163 B1 EP2924163 B1 EP 2924163B1
Authority
EP
European Patent Office
Prior art keywords
water
movable shelf
laundry
shelf
drying chamber
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.)
Not-in-force
Application number
EP14200029.8A
Other languages
English (en)
French (fr)
Other versions
EP2924163A1 (de
Inventor
Miki Yamasaki
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP2924163A1 publication Critical patent/EP2924163A1/de
Application granted granted Critical
Publication of EP2924163B1 publication Critical patent/EP2924163B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D06F58/10—Drying cabinets or drying chambers having heating or ventilating means
    • 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
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/04—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid solely by water jets
    • 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
    • D06F19/00—Washing machines using vibrations for washing purposes
    • 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
    • D06F58/20—General details of domestic laundry dryers 

Definitions

  • the present invention relates to a washer of the kind described in the preamble portion of patent claim 1.
  • a washer has been known from US 2004/0112095 A .
  • combi washers/dryers perform cleansing while rotating a washer/dryer tub with an outer tub filled with water, achieve spin-drying by spinning the washer/dryer tub, and accomplish drying by blowing warm air into a rotating washer/dryer tub with a heater or other heat source.
  • An example of the above-described combi washers/dryers is described, for instance, in JP-2008-246230-A .
  • US 2004/00112095 A1 describes a washer having a housing, a loading/unloading port that opens and closes when laundry is loaded or unloaded, a water storage section disposed below the loading/unloading port, a water supply device that supplies water to the water storage section, and a water drainage device that drains water from the water storage section, the washer comprising: a movable shelf for placing the laundry thereon; and a shelf drive mechanism that is configured to move the movable shelf in vertical direction.
  • US 2 632 961 A discloses a dryer for garment-drying.
  • the apparatus shown and described in this document is a large device on an industrial scale and has exclusively the function of drying garments which have been bleached, dyed or washed beforehand in another device.
  • the present invention has been made in view of the above circumstances, and provides a washer that minimizes the possibility of damaging cloth and reduces the load imposed on a user after washing or drying.
  • the present invention provides a washer that minimizes the possibility of damaging cloth and reduces the load imposed on a user after washing or drying.
  • FIG. 1 is a diagram illustrating a configuration of a combi washer/dryer with a movable shelf.
  • the combi washer/dryer according to the present embodiment includes a housing 1, a loading/unloading port, an upper transport region 3, and a lower seal region 4.
  • the loading/unloading port is opened and closed by a door section 3a when laundry 2d is loaded or unloaded.
  • the upper transport region 3 includes the loading/unloading port.
  • the lower seal region 4 serves as a water storage section and as a drying chamber and is disposed below the upper transport region 3.
  • one or more units of a movable shelf 2 are disposed in the upper transport region 3 and in the lower seal region 4 and movable in vertical direction by a shelf drive mechanism (not shown).
  • the movable shelf 2 is used to carry the laundry 2d and netted to permit water and wind to easily pass through the movable shelf 2.
  • the movable shelf 2 When the laundry 2d is loaded or unloaded through the loading/unloading port, the movable shelf 2 is positioned in the upper transport region 3, which is disposed in an upper position. When the laundry 2d is cleansed (washed and rinsed) in the lower seal region 4, the movable shelf 2 is placed in a lower position.
  • the movable shelf 2 according to the present embodiment includes a water/wind ejection port 2a and a detergent ejection port 2b, and is connected to a water/wind injection control device 8 through a water/wind injection flexible pipe 16.
  • the above-described water supply device is used to supply water from the water/wind ejection port 2a of the movable shelf 2, the water can be stored in the lower seal region 4.
  • an oscillator 5 is disposed at the bottom of the lower seal region 4. The oscillator 5 performs ultrasonic cleansing by generating an ultrasonic wave in the water during a cleansing process.
  • the combi washer/dryer also includes an opening/closing device and a vacuum control device (vacuum pump) 6.
  • the opening/closing device includes a sealing cover 4a that hermetically closes the lower seal region 4.
  • the vacuum control device 6 evacuates the lower seal region 4.
  • the movable shelf 2 is placed in a lower position, and the vacuum control device 6 evacuates the lower seal region 4 with the lower seal region 4 hermetically closed by the sealing cover 4a.
  • the drying process can be facilitated by blowing wind into the lower seal region 4 from the water/wind ejection port 2a of the movable shelf 2. It is expected that the wind blown from the water/wind ejection port 2a will smooth out wrinkles. The reason is that the wind blows from a nearby spot to directly hit the laundry 2d on the movable shelf 2.
  • a finishing blower fan 15 is disposed in the housing 1 and used as a blower.
  • the upper transport region 3 has a wind outlet (not shown) through which air blown from the finishing blower fan 15 is discharged.
  • the shelf drive mechanism moves the movable shelf 2 to the upper transport region 3, which is in an upper position, and air is blown from the wind outlet toward clothes mounted on the movable shelf 2 in order to dry the clothes to a better finish.
  • folded or unfolded laundry 2d is placed on the movable shelf 2.
  • the laundry 2d may be placed on the upper surface of one unit of the movable shelf 2 or placed in a sandwiched manner to be retained between two adjacent units of the movable shelf 2.
  • the one or two units of the movable shelf 2 are positioned in the upper transport region 3 in the housing 1.
  • the door section 3a is closed and brought into contact with a seal section 3b to hermetically close the upper transport region 3.
  • a washing control panel 12 is manipulated to define washing/drying operations.
  • the sealing cover 4a of the lower seal region 4 automatically opens in accordance with the manipulation of the washing control panel 12. When the sealing cover 4a is open, it is housed in opposing sidewalls of the lower seal region 4.
  • FIG. 4 shows the positions of a plurality of units of the movable shelf 2 during a washing/rinsing process and a spinning/drying process.
  • the water/wind injection flexible pipe 16 and a detergent injection flexible pipe 17, which are coupled to the movable shelf 2, are formed to be able to expand and contract as needed between a state where the movable shelf 2 is in the upper transport region 3 and a state where the movable shelf 2 is in the lower seal region 4.
  • water is injected from the water/wind ejection port 2a provided for the movable shelf 2.
  • the movable shelf 2 is connected to the water/wind injection flexible pipe 16 through a coupling section 16a. Further, the water/wind injection flexible pipe 16 is coupled to the water/wind injection control device 8.
  • the water/wind injection control device 8 is coupled to an external water supply port 8a.
  • the water/wind injection control device 8 controls the injection of water to supply water to the water/wind ejection port 2a for the movable shelf 2.
  • the water coming out from the water/wind ejection port 2a is formed as regular water or formed into bubbles containing air.
  • a detergent is injected from the detergent ejection port 2b provided for the movable shelf 2.
  • the movable shelf 2 is connected to the detergent injection flexible pipe 17 through a coupling section 17a. Further, the detergent injection flexible pipe 17 is coupled to a detergent injection control device 10.
  • the detergent injection control device 10 is coupled to a detergent tank 9. The detergent injection control device 10 controls the injection of the detergent to supply the detergent to the detergent ejection port 2b for the movable shelf 2.
  • the detergent coming out from the detergent ejection port 2b is formed as regular liquid detergent or formed into bubbles containing air.
  • the water and the detergent can be directly blown onto the laundry 2d on the movable shelf from the water/wind ejection port 2a and the detergent ejection port 2b.
  • This provides improved detergency.
  • an alternative is to eliminate an ejection port from the movable shelf 2 and permit a water supply device provided for the upper transport region 3 to shower water on the movable shelf 2 or directly supply water to the lower seal region 4.
  • the oscillator 5 oscillates to irradiate the water with an ultrasonic wave and generate a standing wave in accordance with the frequency.
  • a plurality of units of the movable shelf 2 are disposed at intervals equivalent to an integer multiple of wavelength/2 in order to provide improved detergency.
  • two different elements are utilized to exert physical force in order to perform ultrasonic cleansing.
  • a first element is to perform cleansing by means of cavitation.
  • a second element is to perform cleansing by accelerating water molecules with an ultrasonic wave.
  • Numerous gas molecules exist in water. When an ultrasonic wave having a frequency as high as 20 to 100 kHz is generated in a liquid, a positive pressure and a negative pressure are alternately applied to the gas molecules.
  • a rinsing process is performed by repeating water injection and water drainage operations.
  • Water drainage is achieved with a water drainage device 7 that drains water from an external water drainage port 7a.
  • Water injection is achieved by injecting water from a plurality of units of the water/wind ejection port 2a provided for the movable shelf 2. After the water is drained, water contained in the laundry 2d can be removed as it is sandwiched between two adjacent units of the movable shelf 2.
  • the vacuum control device 6 performs evacuation through a coupling section 6a to reduce the pressure in the lower seal region 4. This raises the boiling point of water to dry the laundry 2d at a low temperature.
  • the pressure is reduced, for instance, to 5kPa
  • the heater function of the movable shelf 2 is performed so as to dry the water contained in the laundry 2d at a temperature of 50°C.
  • the contained water is evaporated, gasified, and discharged toward the coupling section 6a of the vacuum control device 6.
  • the gas which is a factor of high pressure, is suctioned into the vacuum pump, which is a factor of low pressure.
  • a common region is used as the water storage section for storing water during the washing process and as the drying chamber that is evacuated during the drying process.
  • the water storage section and the drying chamber may be disposed in different regions.
  • the water/wind injection control device 8 operates so that wind is blown from the water/wind ejection port 2a of the movable shelf 2 through the water/wind injection flexible pipe 16 and the coupling section 16a.
  • the water/wind injection control device 8 is coupled to an external air inlet 11 and to the external water supply port.
  • the water/wind injection control device 8 can exercise control so that different amounts of air and water are ejected from the water/wind ejection ports 2a of the individual units of the movable shelf 2.
  • the sealing cover 4a of the lower seal region 4 opens as is the case with process 21. While the sealing cover 4a is open, it is housed in the opposing side walls of the lower seal region 4.
  • one or more units of the movable shelf 2 on which the dried laundry 2d is placed automatically moves upward into the upper transport region 3.
  • a plurality of units of the movable shelf 2 are positioned at substantially equal intervals.
  • the finishing blower fan 15 takes in air from an intake/exhaust port 14 at the front of the housing 1 and blows the air onto the dried laundry 2d to swell the fiber of the laundry 2d for finishing purposes.
  • process 33 a user removes the finished laundry 2d. In this instance, the laundry remains either folded or unfolded.
  • the movable shelf 2 shown in FIG. 5 includes a main body and a mount 2c.
  • the main body includes the coupling section 16a for the water/wind injection flexible pipe 16 and is fastened to the shelf drive mechanism.
  • the mount 2c which is netted, includes the water/wind ejection port 2a and the detergent ejection port 2b and is detachable from the main body.
  • the mount 2c is coupled to the detergent injection flexible pipe 17 through the coupling section 17a.
  • the water/wind ejection port 2a and the detergent ejection port 2b may alternatively be disposed in the main body.
  • the movable shelf 2 is configured so that only the mount 2c can be pulled out of the housing 1 as shown in FIG. 6 through the loading/unloading port while the laundry 2d is placed on the mount 2c.
  • the laundry 2d remains folded even after the end of the drying process. Therefore, after drying, the mount 2c removed from the main body in the combi washer/dryer can be directly stored in a separate closet.
  • the laundry 2d may be sandwiched and held between a plurality of units of the mount 2c instead of being simply placed on a single unit of the mount 2c.
  • the laundry can be loaded and unloaded from the top of a washer or a dryer when a washing or drying operation is performed.
  • This provides increased user-friendliness.
  • a small mechanical force is exerted on the laundry (clothes). This not only suppresses damage to cloth, but also reduces the possibility of laundry (clothes) being entangled. As a result, the finish of washing or drying improves.
  • water is stored only in the water storage section/drying chamber 4, which is in a lower position in the housing 1, and no water is stored in an upper position in the housing 1. Therefore, laundry can be cleansed while saving water. Furthermore, only the water storage section/drying chamber 4 needs to be evacuated. This makes it possible to achieve higher efficiency, require a smaller amount of operating time for drying, and consume a smaller amount of electrical power than when the whole housing 1 is evacuated.
  • the present embodiment maintains such a laundry state even after drying. This makes it possible to reduce workload after drying.
  • vacuum control device 6 is used in the present embodiment, an alternative is to use a water-cooled dehumidification mechanism, a heat pump unit, or the like, remove water from air, and allow the air to recirculate in the lower seal region 4. If, for example, a power saving course or other similar predetermined course is selected, drying may be accomplished simply by operating the finishing blower fan 15 to blow air without blowing air from the water/wind ejection port 2a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Claims (5)

  1. Waschmaschine mit einem Gehäuse (1), einer Belade-/Entladeöffnung (3a), die geöffnet bzw. geschlossen wird, wenn Wäsche (2d) eingefüllt oder herausgeholt wird, einem Wasserspeicherabschnitt (4), der unterhalb der Belade-/Entladeöffnung (3a) angeordnet ist, einer Wasserzufuhrvorrichtung (16), die dem Wasserspeicherabschnitt (4) Wasser zuführt, und einer Wasserabführvorrichtung, die Wasser aus dem Wasserspeicherabschnitt (4) abführt, wobei die Waschmaschine aufweist:
    ein bewegliches Gestell (2), um darauf die Wäsche (2d) zu platzieren, und
    einen Gestellantriebsmechanismus, der ausgebildet ist, um das bewegliche Gestell (2) in vertikaler Richtung zu bewegen, dadurch gekennzeichnet, dass der Gestellantriebsmechanismus ausgebildet ist, um das bewegliche Gestell (2) in einer oberen Position zu platzieren, wenn die Wäsche (2d) durch die Belade-/Entladeöffnung (3a) eingefüllt oder herausgeholt wird, und um das bewegliche Gestell (2) in einer unteren Stellung zu platzieren, wenn die Wäsche (2d) in dem Wasserspeicherabschnitt (4) gewaschen wird.
  2. Waschmaschine nach Anspruch 1, die ferner aufweist:
    eine Trocknungskammer, die unterhalb der Belade-/Entladeöffnung (3a) angeordnet ist,
    eine Vorrichtung (4a) zum Öffnen/Schließen, die ausgebildet ist, um die Trocknungskammer (4) hermetisch abzuschließen, und
    eine Absaugpumpe (6), die ausgebildet ist, um die Trocknungskammer (4) auszupumpen,
    wobei der Gestellantriebsmechanismus ausgebildet ist, um das bewegliche Gestell (2) in einer oberen Position zu platzieren, wenn die Wäschestücke (2d) durch die Belade-/Entladeöffnung (3a) eingefüllt oder herausgeholt werden, und um das bewegliche Gestell (2) in einer unteren Position zu platzieren, wenn die Kleidungsstücke in der Trocknungskammer (4) getrocknet werden, und
    wobei die Vorrichtung (4a) zum Öffnen/Schließen ausgebildet ist, um die Trocknungskammer (4) hermetisch abzuschließen, und wobei die Absaugpumpe (6) ausgebildet ist, um die Trocknungskammer (4) auszupumpen, während die Kleidungsstücke getrocknet werden.
  3. Waschmaschine nach Anspruch 1,
    wobei der Wasserspeicherabschnitt (4) mit einem Oszillator (5) versehen ist, und
    wobei der Oszillator (5) ausgebildet ist, um während der Reinigung der Wäsche in dem Wasserspeicherabschnitt (4) Ultraschallwellen in dem Wasser zu erzeugen.
  4. Waschmaschine nach Anspruch 2,
    wobei das Gehäuse (4) in sich ein Gebläse (15) aufweist und eine Luftausstoßöffnung über der Trocknungskammer angeordnet ist, wobei die Luftausstoßöffnung es von dem Gebläse (15) gelieferter Luft erlaubt, durch sie ausgeblasen zu werden, und
    wobei der Gestellantriebsmechanismus ausgebildet ist, um das bewegliche Gestell (2) hochzubewegen, und das Gebläse (15) ausgebildet ist, um Luft durch die Luftausstoßöffnung (2a) zu blasen, wenn das Trocknen in der Trocknungskammer (4) beendet ist.
  5. Waschmaschine nach Anspruch 1,
    wobei das bewegliche Gestell (2) einen Hauptkörper aufweist, der an dem Gestellantriebsmechanismus befestigt ist, und eine Ablage (2c), die von dem Hauptkörper lösbar ist, und
    wobei die Ablage (2c) durch die Belade-/Entladeöffnung (3a) aus dem Gehäuse (1) herausgezogen wird.
EP14200029.8A 2014-03-25 2014-12-23 Haushaltsgerät zum Waschen oder Trocknen Not-in-force EP2924163B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014061121A JP6253468B2 (ja) 2014-03-25 2014-03-25 洗濯機または乾燥機

Publications (2)

Publication Number Publication Date
EP2924163A1 EP2924163A1 (de) 2015-09-30
EP2924163B1 true EP2924163B1 (de) 2017-08-02

Family

ID=52282518

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14200029.8A Not-in-force EP2924163B1 (de) 2014-03-25 2014-12-23 Haushaltsgerät zum Waschen oder Trocknen

Country Status (2)

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EP (1) EP2924163B1 (de)
JP (1) JP6253468B2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106944412A (zh) * 2017-05-14 2017-07-14 响水县恒越金属新材料有限公司 一种光伏焊带清洁机
JP6419907B1 (ja) * 2017-07-07 2018-11-07 アイリスオーヤマ株式会社 除湿機
CN109234993A (zh) * 2018-08-23 2019-01-18 新诚达时装（安徽）有限公司 服装加工真空烘干机
CN114622367B (zh) * 2020-12-14 2023-12-29 广东美的白色家电技术创新中心有限公司 功能板及衣物处理装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2632961A (en) * 1951-10-25 1953-03-31 Venango Engineering Co Inc Drier
DE10065336A1 (de) * 2000-12-27 2002-07-04 Bsh Bosch Siemens Hausgeraete Waschmaschine mit Glätt- und/oder Bügelfunktion
US6910292B2 (en) * 2003-02-06 2005-06-28 Maytag Corporation Clothes drying cabinet with improved air distribution
JP2009148448A (ja) * 2007-12-21 2009-07-09 Panasonic Corp 洗濯機
JP2008246230A (ja) 2008-07-07 2008-10-16 Hitachi Appliances Inc 洗濯乾燥機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2924163A1 (de) 2015-09-30
JP2015181745A (ja) 2015-10-22
JP6253468B2 (ja) 2017-12-27

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