EP2312047A1 - Séchoir et machine à laver et à sécher - Google Patents

Séchoir et machine à laver et à sécher Download PDF

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Publication number
EP2312047A1
EP2312047A1 EP10187484A EP10187484A EP2312047A1 EP 2312047 A1 EP2312047 A1 EP 2312047A1 EP 10187484 A EP10187484 A EP 10187484A EP 10187484 A EP10187484 A EP 10187484A EP 2312047 A1 EP2312047 A1 EP 2312047A1
Authority
EP
European Patent Office
Prior art keywords
drum
air duct
clothes
drying
section
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.)
Granted
Application number
EP10187484A
Other languages
German (de)
English (en)
Other versions
EP2312047B1 (fr
Inventor
Yuji Ozeki
Shigeharu Nakamoto
Kouji Nakai
Kenji Terai
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.)
Panasonic Corp
Original Assignee
Panasonic Corp
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 JP2009238910A external-priority patent/JP2011083458A/ja
Priority claimed from JP2009238908A external-priority patent/JP2011083456A/ja
Application filed by Panasonic Corp filed Critical Panasonic Corp
Priority to EP11174377.9A priority Critical patent/EP2400053B1/fr
Publication of EP2312047A1 publication Critical patent/EP2312047A1/fr
Application granted granted Critical
Publication of EP2312047B1 publication Critical patent/EP2312047B1/fr
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
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • 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
    • 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
    • D06F2103/04—Quantity, e.g. weight or variation of weight
    • 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
    • D06F2103/26—Imbalance; Noise level
    • 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
    • D06F2103/38—Time, e.g. duration
    • 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
    • D06F2105/32—Air flow control 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/62—Stopping or disabling machine operation
    • 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
    • D06F58/32—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
    • D06F58/44—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of conditioning or finishing, e.g. for smoothing or removing creases
    • 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
    • D06F58/50—Responding to irregular working conditions, e.g. malfunctioning of blowers

Definitions

  • the drying air for drying the clothes is sent to the blower section 4, and deprives moisture from the washing in the drum 1 and becomes humid.
  • the resulting humid drying air is discharged to the outside of the drum 1 through the discharge opening 5 on the side face of the drum 1.
  • the dehumidifier section 6 dehumidifies the drying air as discharged.
  • the heater section 7 heats the resulting drying air as dehumidified by the dehumidifier section 6.
  • the drying air as being heated is directed either to the first air duct 9 or the second air duct 11, and is then blown again into the inside of the drum 1.
  • the first air duct 9 has the first blowoff opening 8, which is opened at the rare side of the drum 1.
  • the blower section 4 and the air duct switch section 12 are provided, the air passes through the discharge opening 5, the defumidifier section 6 and the heater section 7 in this order, and the drying air is spouted again into the drum 1 either from the first blowoff opening 8 or the second blowoff opening 10, to circulate the drying air in the drum-type washing and drying machine.
  • the drying air at high pressure and high speed spouted from the second flowoff opening 10.
  • the drying air can reach entire space from the front to the back in the drum 1.
  • a desirable contact between the drying air and the clothes is not disturbed, thereby maintaining the effect of stretching the wrinkles by spouting drying air at high pressure and high speed.
  • the discharge opening 5 is provided above the drum 1, so that the drying air after having contacted the clothes can be discharged in a sufficient manner.
  • the discharge opening 5 in the drum-type drying machine without washing function, it is possible to form the discharge opening 5 at positions other that the position above the drum 1.
  • the installation position of the oscillation detection section 14 provided in the barrel housing 2 is not particularly limited. However, in the case of adopting the acceleration sensor as the oscillation detection section 14, it is preferable to install the acceleration sensor at position away from a dumper 34, which attenuates oscillations of the barrel housing 2. By installing the acceleration sensor at position away from the dumper 34, it is possible to detect highly sensible oscillations.
  • the rotation direction 38a to be detected by the angular velocity sensor 38 is not limited to this, and it may be arranged so as to detect the angular velocity in other rotation direction.
  • the angular velocity of the barrel housing 2 to be detected by the angular velocity sensor 38 is the same irrespectively of the position of the barrel housing 2.
  • a mechanical type, fluid type or optical type gyroscope, or the like may be adopted.
  • the mechanical type (oscillation type) gyroscope suited for compact size is preferably adopted.
  • the oscillation detection sensor 14 only one acceleration sensor shown in Fig. 1 or the angular velocity sensor 38 shown in Fig. 8 is provided at the barrel housing 2.
  • the present invention is not intended to be limited to this, and for the oscillation detection sensor 14, plural acceleration sensors or plural angular velocity sensors 38 may be provided at the barrel housing 2. Furthermore, it may be arranged so as to provide both an acceleration sensor and an angular velocity sensor 38 at the barrel housing 2.
  • the oscillation detection section 14 it is possible to improve the precision in the oscillation detection by adopting a plurality of sensors as the oscillation detection section.
  • the generation of the entanglement of the clothes in the drying process of the clothes will be considered.
  • the clothes can be moved only in the small space, the entanglement of the clothes is liable to occur.
  • the clothes including long sleeved clothes the long sleeve portions of the clothes are liable to be entangled with other portions of the clothes. If the drying process is continued, the number of the wrinkles of the clothes as dried is liable to be increased.
  • the present embodiment is arranged such that based on an output value of the oscillation detection section 14 fixed to the barrel housing 2, the entanglement determination section 20 of the control section 70 shown in Fig. 2 determines accurately if an entanglement of the clothes has occurred in the drum 1.
  • the mechanism of this structure of the present embodiment will be explained.
  • an output value of the oscillation detection section 14 fixed to the barrel housing 2 becomes smaller as the drying process progresses. Furthermore, depending on the degree of the entanglement of the clothes in the drum, an output value of the oscillation detection section 14 will differs. Namely, in the state where the entanglement of the clothes in the drum 1 has not occurred (or small), the clothes lifted up by the tumbling in the drum 1 drops at small intervals. Therefore, an impact to the drum 1 is small, and an output value of the oscillation detection section 14 shows a small oscillation value.
  • the present invention is not intended to be limited to the case of detecting the acceleration in the detection direction 14a. Namely, it is preferable to read an oscillation value in a direction of the highest sensitivity according to the structure of the drum, the support structure of the barrel housing 2, the drum 1 (inclined angle of the drum 1, the dumper 34 which supports the barrel housing 2, the structure of mounting the support spring, etc.) or the number of rotations of the drum 1, etc., and it is not intended to be limited to the structure of reading the acceleration in a specific direction.
  • the oscillation detection section 14 be composed as a multiaxial sensing type sensor, which permits the oscillating detections of not less than two axes, and that the oscillation components in plural directions are read so that the value that shows the highest sensitivity in the tumbling operation in the drying process can be selected.
  • Fig. 7 is a flowchart that shows a switch timing of the air duct based on the result of determination by the entanglement determination section 20.
  • the entanglement determination section 20 determines that the entanglement of the clothes has been unraveled (S9). In this case, the sequence goes back to S2, i.e., the control section 70 switches the air duct switch section 12 to switch an air duct to the first air duct 9.
  • the basic structure of the drum-type washing and drying machine in accordance with the second embodiment is the same as the drum-type washing and drying machine in accordance with the first embodiment shown in Fig. 1 , Fig. 2 , Fig. 9 , etc. Therefore, the same reference numerals are assigned, and explanations thereof shall be omitted here.
  • the control section 170 starts monitoring the oscillation value to be detected by the oscillation detection section 14 (S31).
  • the integrated value of 10 rotations of the drum 1 of the peak-to-peak value of the accelerations detected by the oscillation detection section 14 is set to the oscillation value A_pp to be detected by the oscillation detection section 14.
  • the multiplication period of oscillating value A_pp is not limited to this, and can be set as desired.
  • the cloth amount detection section 15 As the cloth amount detection section 15, explanations have been given through the case of detecting changes in amount of displacement in up and down direction of the axis of the dumper 34.
  • the present invention is not intended to be limited to this.
  • a cloth amount detection section which detects a rotational speed, driving current, and the amount of the variation of the torque etc. of the drum drive motor 3 that rotates the drum 1 may be adopted, and which detects an amount of the clothes in the drum based on variations in load of the drum drive motor 3.
  • the space between the front side of the drum 1 that rotates and the barrel housing 2 is formed to be minimized to avoid the clothes from being caught. Therefore, it is difficult in terms of space to provide the large blowoff opening with small loss in pressure in such a small space.
  • the second blowoff opening 10 with relatively small cross-sectional blowing area, which spouts air at high pressure and high speed.
  • the discharge opening 5 As described, by forming the discharge opening 5 at position closer to the second discharge opening 10 at the front side of the drum 1 and to be away from the first blowoff opening 8, a longer distance can be ensured between the first blowoff opening 8 and the discharge opening 5. As a result, while the air is spouting from the first blowoff opening 8 provided at the back side of the drum 1, the drying air from the first blowoff opening 8 can be widely spread over the space in the drum 1. As a result, it is possible to make the clothes contact the drying air in the drum 1 in an efficient manner, and to dry the clothes using small power consumption.
  • the drying air from the first blowoff opening 8 can be widely spread over the space in the drum 1. It is therefore possible to make the clothes contact the drying air in the drum 1 in an efficient manner, and to dry the clothes using small power consumption.
  • Fig. 14 is a flowchart showing the operation of switching the air duct in accordance with the third embodiment.
  • the flowchart of Fig. 14 differs from that of the second embodiment shown in Fig. 13 in the drying conditions in S32 and S34. Namely, in the third embodiment, the drying process is carried out under the conditions of S32' and S34' in Fig. 14 in replace of the conditions of S32 and S34 of Fig. 13 .
  • the control section 170 sets the conditions for carrying out the drying process to spout the drying air at high pressure and high speed from the second blowoff opening 10 having a smaller cross-sectional blowing area than the first blowoff opening 8 by rotating the blower fan motor 4b at high speed (S34'). Namely, the control section 170 controls the air duct switch section 12 to open the second air duct 11, and the blower section 4 to increase the number of rotations of the blower fan motor 4b. In this case, it is possible to reduce the wrinkles of the clothes effectively by the air at high pressure and high speed.
  • a drying machine in accordance with one aspect of the present invention includes: a drum for storing clothes to be dried; a drum drive section for rotatably driving said drum; a blower section for blowing drying air into said drum; a first air duct with a first blowoff opening which is opened at a rear side of said drum; a second air duct with a second blowoff opening which is opened at a front side of said drum; an air duct switch section which selectively switches between said first air duct and said second air duct; an oscillation detection section which detects an oscillation of said drum; and a control section which controls the air duct switch section based on a result of detection by said oscillation detection section to selectively switch between the first air duct and the second air duct in a drying process.
  • the air duct for spouting drying air into the drum which stores clothes two air ducts of the first air duct and the second air duct are provided, to be selectively switched by the air duct switch section. Then, the drying operation is performed using either the first air duct or the second air duct as selected.
  • the weight of the clothes becomes lighter gradually. As a result, an impact to the drum (an oscillation value detected by the oscillation detection section) when the clothes are dropped in the drum is reduced gradually.
  • an oscillation value detected by the oscillation detection section is reduced again, to be smaller than the second predetermined value which is smaller than the first predetermined value, it can be determined that both the closes on the side of the first blowoff opening and the side of the second blowoff opening (all the clothes in the drum) have been dried to a sufficient level. As a result, it is possible to determine the timing of terminating the drying operation with high precision.
  • said first blowoff opening has a larger cross-sectional blowing area than that of said second flowoff opening, wherein said blower section blows drying air into said drum in such a manner than when said first air duct is selected, drying air of larger airflow quantity is spouted from said first blowoff opening into the drum than that in the case of selecting the second air duct, while when said second air duct is selected, drying air of higher pressure and higher speed is spouted from said second blowoff opening into the drum than that in the case of selecting said first air duct.
  • the first blowoff opening has a larger cross-sectional blowing area than that of said second blowoff opening and has small loss in pressure. Then, when the first air duct is selected, drying air of larger airflow quantity spouted into the storage room from the first blowoff opening which is opened at the rare side of the storage room. In this case, since the first air duct has small loss in pressure, it is possible to generate air in large airflow quantity even when drying the blower section at relatively small power consumption. By spouting air in large airflow quantity, the drying time can be reduced with smaller power consumption.
  • the second blowoff opening of the second air duct has a smaller cross-sectional blowing area than that of said first blowoff opening.
  • the present invention is not limited to this, and is applicable to the drying machine without the washing functions, and may adopt the structures of the drum-type washing and drying machine shown in Fig. 1 excluding the washing functions.
  • the barrel housing 2 which serves as a water tank shown in Fig. 1 , is not necessarily to be connected to the feed duct or the discharge duct 40, and therefore may be formed simply as a housing of the drum 1 not as a water tank.
  • those of the drum-type washing and drying machine shown in Fig. 1 may be adopted.
  • a drying machine and the washing and drying machine of the present invention is widely applicable not only to a domestic drum-type drying machine or washing and drying machine but also to a business use drum-type drying machine or washing and drying machine.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
EP10187484.0A 2009-10-16 2010-10-14 Séchoir et machine à laver et à sécher Not-in-force EP2312047B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11174377.9A EP2400053B1 (fr) 2009-10-16 2010-10-14 Séchoir et machine à laver et à sécher

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009238910A JP2011083458A (ja) 2009-10-16 2009-10-16 衣類乾燥機および洗濯乾燥機
JP2009238908A JP2011083456A (ja) 2009-10-16 2009-10-16 衣類乾燥機および洗濯乾燥機

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP11174377.9A Division-Into EP2400053B1 (fr) 2009-10-16 2010-10-14 Séchoir et machine à laver et à sécher
EP11174377.9A Division EP2400053B1 (fr) 2009-10-16 2010-10-14 Séchoir et machine à laver et à sécher

Publications (2)

Publication Number Publication Date
EP2312047A1 true EP2312047A1 (fr) 2011-04-20
EP2312047B1 EP2312047B1 (fr) 2016-07-06

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP10187484.0A Not-in-force EP2312047B1 (fr) 2009-10-16 2010-10-14 Séchoir et machine à laver et à sécher
EP11174377.9A Not-in-force EP2400053B1 (fr) 2009-10-16 2010-10-14 Séchoir et machine à laver et à sécher

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11174377.9A Not-in-force EP2400053B1 (fr) 2009-10-16 2010-10-14 Séchoir et machine à laver et à sécher

Country Status (2)

Country Link
EP (2) EP2312047B1 (fr)
CN (1) CN102041669B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013215675A1 (de) * 2013-08-08 2015-02-12 BSH Bosch und Siemens Hausgeräte GmbH Betreiben eines Wäschetrocknungsgeräts mit horizontal drehbarer Wäschetrommel
CN107723992B (zh) * 2016-08-11 2021-10-29 青岛海尔洗涤电器有限公司 一种直接驱动式洗涤装置
EP3339499B1 (fr) * 2016-12-22 2019-10-23 Electrolux Appliances Aktiebolag Seche-linge equipee avec un ensemble de porte
CN109402990B (zh) * 2017-08-18 2022-04-22 青岛海尔滚筒洗衣机有限公司 衣物处理方法及衣物处理装置
CN112941801B (zh) * 2019-12-10 2023-11-17 博西华电器（江苏）有限公司 衣物处理设备及操作其的方法和装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004048673A2 (fr) * 2002-11-22 2004-06-10 Su Heon Kim Procede de sechage rapide du linge et seche-linge correspondant
JP2008054960A (ja) * 2006-08-31 2008-03-13 Hitachi Appliances Inc ドラム式洗濯機
JP2008259549A (ja) 2007-04-10 2008-10-30 Sharp Corp ドラム式洗濯乾燥機
EP2143837A1 (fr) * 2008-07-10 2010-01-13 Panasonic Corporation Machine à laver de type tambour

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3093548B2 (ja) 1993-12-28 2000-10-03 株式会社東芝 衣類乾燥機
CN1963009A (zh) * 2005-11-08 2007-05-16 乐金电子(天津)电器有限公司 干燥兼用滚筒洗衣机及其控制方法
JP5108800B2 (ja) * 2009-01-29 2012-12-26 日立アプライアンス株式会社 洗濯乾燥機および乾燥機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004048673A2 (fr) * 2002-11-22 2004-06-10 Su Heon Kim Procede de sechage rapide du linge et seche-linge correspondant
JP2008054960A (ja) * 2006-08-31 2008-03-13 Hitachi Appliances Inc ドラム式洗濯機
JP2008259549A (ja) 2007-04-10 2008-10-30 Sharp Corp ドラム式洗濯乾燥機
EP2143837A1 (fr) * 2008-07-10 2010-01-13 Panasonic Corporation Machine à laver de type tambour

Also Published As

Publication number Publication date
CN102041669A (zh) 2011-05-04
EP2312047B1 (fr) 2016-07-06
CN102041669B (zh) 2012-12-26
EP2400053A1 (fr) 2011-12-28
EP2400053B1 (fr) 2015-02-11

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