EP3943656A1 - Wäschebehandlungsvorrichtung - Google Patents

Wäschebehandlungsvorrichtung Download PDF

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Publication number
EP3943656A1
EP3943656A1 EP19921859.5A EP19921859A EP3943656A1 EP 3943656 A1 EP3943656 A1 EP 3943656A1 EP 19921859 A EP19921859 A EP 19921859A EP 3943656 A1 EP3943656 A1 EP 3943656A1
Authority
EP
European Patent Office
Prior art keywords
air
clothes treatment
air outlet
air channel
damper
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
EP19921859.5A
Other languages
English (en)
French (fr)
Other versions
EP3943656B1 (de
EP3943656A4 (de
Inventor
Guangqi REN
Lei Zhu
Chunhao ZHOU
Guilian Wang
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.)
Wuxi Little Swan Electric Co Ltd
Original Assignee
Wuxi Little Swan Electric Co Ltd
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 CN201910238660.6A external-priority patent/CN111748985A/zh
Priority claimed from CN201920406286.1U external-priority patent/CN209958110U/zh
Application filed by Wuxi Little Swan Electric Co Ltd filed Critical Wuxi Little Swan Electric Co Ltd
Publication of EP3943656A1 publication Critical patent/EP3943656A1/de
Publication of EP3943656A4 publication Critical patent/EP3943656A4/de
Application granted granted Critical
Publication of EP3943656B1 publication Critical patent/EP3943656B1/de
Active 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
    • D06F58/20—General details of domestic laundry dryers 

Definitions

  • This application relates to the technical field of clothes treatment, and in particular to a clothes treatment device such as a clothes dryer and an integrated washer-dryer.
  • a related art discloses a cycle + suction + discharge washing machine.
  • part of the outside air can be sucked in through a suction opening, and then part of hot and humid air can be discharged from a discharge opening; however, at an initial stage of drying, the blower will suck in air from the outside, and then discharge part of air out of the drum, thus resulting in a slow heating-up in the initial stage; after the temperature rises in a later stage, still only a small part of the hot and humid air in the drum is discharged, and most of the hot and humid air still participates in the internal circulation. Therefore, the drying efficiency is still not high, and the energy consumption is still large.
  • an objective of the present disclosure is to provide a clothes treatment device which has high drying efficiency, low energy consumption and a large-capacity clothes treatment chamber.
  • the clothes treatment device includes: a drum assembly defining a clothes treatment chamber therein, the drum assembly having a first air inlet, a first air outlet and a second air outlet that are all in communication with the clothes treatment chamber, both the first air outlet and the second air outlet being provided at an upper part of a side wall of the drum assembly; and a clothes drying assembly including an air channel assembly communicating the first air inlet with the first air outlet, a heating member provided inside the air channel assembly, and a blower configured to guide air to flow, wherein the air channel assembly is provided with a second air inlet and a damper, and the damper can be switched between a first position and a second position; in a state where the damper is switched to the first position, the damper closes the second air inlet and opens the first air outlet, and in a state where the damper is switched to the second position, the damper opens the second air inlet and closes the first air outlet.
  • the clothes treatment device Compared with a same volume of a washer-dryer with a condenser tube in the related art, the clothes treatment device according to the embodiment of the present disclosure omits the condenser structure; in this way, the volume of the drum assembly can be increased, thereby increasing the capacity of the clothes treatment chamber; moreover, in the process of drying clothes, condensing water is not required, which saves water resources and reduces energy consumption.
  • the heating member is mounted in the air channel assembly and the damper which can be switched between the first position and the second position is provided, so that the position of the damper can be switched according to the drying process; for example, in an initial stage of drying, the damper is switched to the first position, so that outside air enters the clothes treatment chamber and quickly takes away moisture of clothes; and in the middle and late stages of drying, the air damper is switched to the second position to increase the temperature in the clothes treatment chamber, thereby providing a drying effect.
  • the damper is switched to the second position in the initial stage of drying to quickly increase the temperature inside the drum assembly; and in the middle and later stages of drying, the damper is switched to the first position to increase the discharge speed of hot and humid air. In this way, the switch of different drying modes is realized, thus taking into account the energy consumption and drying efficiency, and achieving high capacity, low energy consumption and high efficiency.
  • the damper is switched between the first position and the second position through the drive of a damper motor.
  • the first air inlet is located at a front part of the drum assembly, and the first air outlet and the second air outlet are located at a rear part of the drum assembly.
  • the second air inlet and the second air outlet are arranged in a circumferential direction of the drum assembly and spaced apart, and the second air inlet and the second air outlet are respectively located on two sides of an imaginary vertical plane passing through the central axis of the drum assembly.
  • a flow area of the second air outlet is greater than 3000 mm 2 .
  • a flow area of the second air outlet is greater than 1500 mm 2 .
  • a flow area of the first air outlet is greater than 3000 mm 2 .
  • the damper is rotatably provided on the air channel assembly.
  • the drum assembly includes: an outer drum, the first air outlet and the second air outlet being provided at an upper part of a side wall of the outer drum; and an inner drum rotatably provided in the outer drum and extending along an axial direction of the outer drum, the inner drum defining the clothes treatment cavity, the clothes treatment chamber being in communication with a gap between the outer drum and the inner drum, the first air outlet and the second air outlet being respectively in communication with the clothes treatment chamber through the gap.
  • the first air inlet is provided on a front edge of the outer drum or a door seal on the outer drum.
  • the air channel assembly includes: an air channel shell mounted at the upper part of the side wall of the drum assembly, an inner cavity of the air channel shell being in communication with the first air inlet; and a connection seat provided between the air channel shell and the drum assembly, the inner cavity of the air channel shell being in communication with the first air outlet through an inner cavity of the connection seat, the second air inlet and the damper being provided on the connection seat.
  • the damper is provided on the inner cavity of the connection seat.
  • the second air inlet is provided on a side of the connection seat.
  • connection seat includes: a base body provided between the air channel shell and the drum assembly, the inner cavity of the air channel shell being in communication with the first air outlet through an inner cavity of the base body, an opening being formed in a side of the base body, the damper being provided in the base body adjacent to the opening; and a limit plate detachably provided at the opening, the second air inlet being provided on the limit plate.
  • the first air outlet is located below the connection seat, a bottom of the connection seat is provided with a first ventilation opening, the first ventilation opening is in communication with the first air outlet, and the damper can open or close the first air outlet by opening or closing the first ventilation opening.
  • a bottom of the air channel shell has a mounting opening
  • a top of the connection seat has a second ventilation opening
  • the second ventilation opening is in communication with the mounting opening
  • the air channel shell includes: an air channel base arranged above the drum assembly and the connection seat; an air channel cover plate covering a part of the air channel base; and a blower cover plate covering the other part of the air channel base, a fan of the blower being arranged between the blower cover plate and the air channel base.
  • a side of the blower cover plate away from the air channel base has a downwardly recessed mounting recess for mounting a drive motor for driving the fan to rotate.
  • a clothes treatment device 100 according to an embodiment of the present disclosure will be described below with reference to FIGS. 1 to 6 .
  • the clothes treatment device 100 here may be configured as a clothes dryer or a washer-dryer.
  • the clothes treatment device 100 includes a drum assembly 10 defining a clothes treatment chamber 121 therein, the drum assembly 10 has a first air inlet 101, a first air outlet 102 and a second air outlet 103 that are all in communication with the clothes treatment chamber 121, and both the first air outlet 102 and the second air outlet 103 are provided at an upper part of a side wall of the drum assembly 10.
  • an axial direction of the drum assembly 10 extends in a front-rear direction or extends obliquely relative to the front-rear direction.
  • the clothes treatment device 100 further includes a clothes drying assembly 20.
  • the clothes drying assembly 20 includes an air channel assembly, a heating member 22 and a blower 23 configured to guide air to flow.
  • the air channel assembly has an air channel 2101, and the air channel has a first ventilation opening 2102, a second air inlet 2103 and an air channel outlet 2104. Both the first ventilation opening 2102 and the second air inlet 2103 can serve as an air channel inlet of the air channel 2101.
  • the first ventilation opening 2102 is in communication with the first air outlet 102
  • the second air inlet 2103 is in communication with the outside
  • the air channel outlet 2104 is in communication with the first air inlet 101.
  • the air channel 2101 is provided inside with a damper 241 which can be switched between the first position and the second position.
  • the heating member 22 is arranged in the air channel 2101 to heat air in the air channel 2101.
  • the heating member 22 is configured as a serpentine heating elbow.
  • the damper 241 closes the first air outlet 2102, that is, closes the first air outlet 102, and opens the second air inlet 2103 at the same time, so that the second air inlet 2103 and the air channel outlet 2104 are in communication.
  • Outside air is guided by the blower 23 to enter the air channel 2101 from the second air inlet 2103.
  • Hot air heated by the heating member 22 flows into the clothes treatment chamber 121 through the air channel outlet 2104 and the first air inlet 101. The hot air flows through wet clothes and is then discharged from the second air outlet 103 to the outside.
  • the damper 241 closes the second air inlet 2103 and opens the first ventilation opening 2102 at the same time, that is, opens the first air outlet 102, so that the first ventilation opening 2102 and the air channel outlet 2104 are in communication.
  • Humid air in the clothes treatment chamber 121 is guided by the blower 23 to enter the air channel 2101 from the first ventilation opening 2102.
  • Hot air heated by the heating member 22 flows into the clothes treatment chamber 121 through the air channel outlet 2104 and the first air inlet 101. The hot air flows through wet clothes and is then discharged from the first air outlet 102 and flows in the air channel 2101. The same operation is carried out round and round.
  • the clothes treatment device 100 Compared with a same volume of a washer-dryer with a condenser tube in the related art, the clothes treatment device 100 according to the embodiment of the present disclosure omits a condenser structure; in this way, the volume of the drum assembly 10 can be increased, thereby increasing the capacity of the clothes treatment chamber 121; moreover, in the process of drying clothes, condensing water is not required, which saves water resources and reduces energy consumption.
  • the heating member 22 is mounted in the air channel assembly and the damper 241 which can be switched between the first position and the second position is provided, so that the position of the damper 241 can be switched according to the drying process; for example, in an initial stage of drying, the damper 241 is switched to the first position, so that outside air enters the clothes treatment chamber 121 and quickly takes away moisture of clothes; and in the middle and late stages of drying, the damper 241 is switched to the second position to increase the temperature in the clothes treatment chamber 121, thereby providing a drying effect.
  • the damper 241 is switched to the second position in the initial stage of drying and switched to the first position in the middle and later stages of drying; in this way, the switch of different drying modes is realized, thus taking into account the energy consumption and drying efficiency, and achieving high capacity, low energy consumption and high efficiency.
  • the damper 241 is switched between the first position and the second position through the drive of a damper motor 242.
  • the damper motor 242 can drive the damper to pivotally rotate between the first position and the second position.
  • a flow area S1 of the second air inlet 2103 is set to be greater than 3000 mm 2 , thus achieving a better dehumidification and cooling effect in the clothes treatment chamber 121.
  • a flow area S2 of the second air outlet 103 is set to be greater than 1500 mm 2
  • a flow area S3 of the first air outlet 102 is set to be greater than 3000 mm 2 . In this way, the temperature of the drum assembly 10 can be quickly increased, thereby increasing the drying speed.
  • the first air inlet 101 is located at a front part of the drum assembly 10, and the first air outlet 102 and the second air outlet 103 located at a rear part of the drum assembly 10.
  • the axial direction of the drum assembly 10 extends in the front-rear direction
  • a front end surface of the drum assembly 10 has a clothes access opening
  • the first air inlet 101 is provided at a top of an outer peripheral wall of the drum assembly 10 adjacent to the clothing access opening, or the first air inlet 101 is provided at a top of a door seal of the drum assembly 10.
  • the first air outlet 102 and the second air outlet 103 are provided at a top of an outer peripheral wall of the drum assembly 10 adjacent to a rear end surface of the drum assembly 10, that is, the first air outlet 102 and the second air outlet 103 are provided at a position in the middle-rear part of the drum assembly 10.
  • the first air inlet 101, the first air outlet 102, and the second air outlet 103 are arranged in the above manner, which can increase a distance between the first ventilation opening 2102 and the air channel outlet 2104 and a distance between the second air inlet 2103 and the air channel outlet 2104.
  • the flowing time of moist air (discharged from the clothes treatment chamber 121) in the air channel 2101 can be increased, the heating time of the heating member 22 to the airflow is prolonged, and the moist air just discharged can be prevented from being sucked in immediately, which is beneficial to improving the drying efficiency.
  • the second air outlet 103 is provided at the front of the first air outlet 102, that is, the distance between the first air outlet 102 and the first air inlet 101 is increased. Therefore, the length of an internal circulation path of the airflow is prolonged, and the heating time of the heating member 22 to the airflow inside the air channel is prolonged, thereby improving the drying efficiency.
  • the second air inlet 2103 and the second air outlet 103 are arranged in the circumferential direction of the drum assembly 10 and spaced apart, and the second air inlet 2103 and the second air outlet 103 are respectively located on two sides of an imaginary vertical plane Y passing through the central axis of the drum assembly 10.
  • the clothes treatment device 100 can prevent hot and humid air, discharged from the clothes treatment chamber 121, from being sucked into the air channel 2101 again, which is beneficial to improving the efficiency of drying clothes.
  • the damper 241 is rotatably provided on the air channel assembly.
  • the damper motor 242 is connected to a rotating shaft of the damper 241, thereby driving the damper 241 to rotate between the first position and the second position.
  • the damper 241 rotates to the first position, the damper 241 extends along a horizontal plane to close the first ventilation opening 2102; when the damper 241 rotates to the second position, the damper 241 extends along a vertical surface to close the second air inlet 2103.
  • the structure and control are simple.
  • the drum assembly 10 includes an outer drum 11 and an inner drum 12.
  • the inner drum 12 is rotatably provided in the outer drum 11 and extends along an axial direction of the outer drum 11.
  • the inner drum 12 defines a clothes treatment chamber 121 in communication with a gap between the outer drum 11 and the inner drum 12.
  • Both the first air outlet 102and the second air outlet 103 are provided at an upper part of a side wall of the outer drum 11 and are in communication with the clothes treatment chamber 121 through the gap.
  • the first air inlet 101 is provided on a front edge of the outer drum 11 or a door seal on the outer drum 11.
  • the length of the air channel 2101 can be increased, thereby improving the drying efficiency;
  • the length of the air channel 2101 can be increased and the drying efficiency is accordingly improved on the one hand, and on the other hand, there is no need to form holes in the outer drum 11, which simplifies the structure and processing procedures of the outer drum 11 and reduces the cost.
  • the air channel assembly includes an air channel shell 21 mounted at the top of the outer drum 11, and an inner cavity of the air channel shell 21 is in communication with the first air inlet 101.
  • the air channel shell 21 is mounted at the top of the outer drum 11, at least a part of the air channel shell 21 extends along the axial direction of the drum assembly 10, and the air channel shell 21 defines a part of the air channel 2101 therein.
  • the air channel assembly further includes a connection seat 214 provided between the air channel shell 21 and the drum assembly 10.
  • the inner cavity of the air channel shell 21 is in communication with the first air outlet 102 through the inner cavity of the connection seat 214.
  • the connection seat 214 defines the other part of the air channel 2101.
  • the second air inlet 2103 and the damper 241 are provided on the connection seat 214.
  • connection seat 214 By providing the connection seat 214, the air channel shell 21 can be supported, the top space of the outer drum 11 can be effectively used to facilitate communication with the outside, and a carrier is also provided for mounting the second air inlet 2103 and the damper 241.
  • the damper 241 is provided in the inner cavity of the connection seat 214, and the second air inlet 2103 is provided on the side of the connection seat 214.
  • the connection seat 214 has a simple structure and is easy to process and manufacture.
  • the connection seat 214 can be configured to support the air channel shell 21 and also provide a carrier for the second air inlet 2103 to facilitate communication with the outside, and to provide space for mounting the damper 241, thereby realizing a modular design and facilitating assembly and disassembly.
  • the air channel shell 21 includes an air channel base 211, an air channel cover plate 212, and a blower cover plate 213.
  • the air channel cover plate 212 covers a part of the air channel base 211 so that the air channel cover plate 212 and the air channel base 211 define a part of the air channel 2101.
  • the blower cover plate 213 covers the other part of the air channel base 211, so that the blower cover plate 213 and the air channel base 211 define the other part of the air channel 2101. It can be understood that, in this embodiment, the connection seat 214 defines the rest part of the air channel 2101.
  • the blower 23 includes a fan 231 and a drive motor 232.
  • the fan 231 is provided between the blower cover plate 213 and the air channel base 211, and the drive motor 232 is provided outside the blower cover plate 213 to drive the fan 231 to rotate.
  • the top of the blower cover plate 213 has an inwardly recessed mounting recess, the drive motor 232 is provided in the mounting recess, and a motor shaft of the drive motor 232 passes through a bottom wall of the mounting recess to be connected with the fan 231.
  • the air channel base 211 has a side coaming extending along its circumferential direction. A groove is formed at the top of the side coaming to mount a seal ring (not shown).
  • the air channel cover plate 212 and the blower cover plate 213 cover over the air channel base 211, and the air channel base 211 and the air channel cover 212, and tight connection between the air channel base 211 and the air channel cover plate 212 and between the air channel base 211 and the blower cover plate 213 is realized through the seal ring.
  • the first air outlet 102 is located below the connection seat 214, the bottom of the connection seat 214 has a first ventilation opening 2102, the first ventilation opening 2102 forms an air channel inlet of the air channel 2101, and the damper 241 opens and closes the first air outlet 102 by opening and closing the first ventilation opening 2102.
  • the damper 241 opens the first ventilation opening 2102, the first ventilation opening 2102 is in communication with the first air outlet 102, thereby communicating the inner cavity of the connection seat 214 with the clothes treatment chamber 121; when the damper 241 closes the first ventilation opening 2102, the first ventilation opening 2102 and the first air outlet 102 are not in communication, thereby separating the inner cavity of the connection seat 214 from the clothes treatment chamber 121.
  • a filter screen (not shown) is provided at the first ventilation opening 2102 to filter the air discharged from the first air outlet 102 to prevent lint in the clothes treatment chamber 121 from entering the air channel 2101.
  • a spraying member (not shown) is provided in the connection seat 214 to flush the filter screen at the first ventilation opening 2102 to prevent the lint from accumulating on the filter screen.
  • the bottom of the air channel shell 21 has a mounting opening 2106
  • the top of the connection seat 214 has a second ventilation opening 2105
  • the second ventilation opening 2105 is in communication with the mounting opening 2106, thereby ensuring the communication between the inner cavity of the connection seat 214 and the inner cavity of the air channel shell 21.
  • connection seat 214 includes a base body 2142 and a limit plate 2143.
  • the base body 2142 is provided between the air channel shell 21 and the drum assembly 10.
  • the inner cavity of the air channel shell 21 is in communication with the first air outlet 102 through the inner cavity of the seat body 2142.
  • An opening is formed in a side of the base body2142.
  • the damper 241 is provided in the base body 2142 adjacent to the opening.
  • the limit plate 2143 is detachably provided at the opening, and the second air inlet 2103 is provided on the limit plate 2143.
  • the limit plate 2143 plays a limiting role on the damper 241.
  • the damper 241 rotates to the second position, the damper 241 is attached to the limit plate 2143 to close the second air inlet 2103.
  • the top of the connection seat 214 is provided with a fixing lug 2141 protruding upward, a fixing hole is formed in the fixing lug 2141, and a fixing portion 2111 is provided at the bottom of the air channel base 211 and provided with a connecting hole corresponding to the position of the fixing hole.
  • the air channel base 211 is connected to the connection seat 214 by a fastener passing through the fixing hole and the connecting hole, and the connection is reliable.
  • orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for the purpose of facilitating and simplifying the description of the present disclosure, rather than indicating or implying that the described device or element must have a particular orientation or must be constructed and operated in a particular orientation, and therefore they cannot to be construed as limiting the present disclosure.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP19921859.5A 2019-03-27 2019-07-18 Wäschebehandlungsvorrichtung Active EP3943656B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201910238660.6A CN111748985A (zh) 2019-03-27 2019-03-27 衣物处理设备
CN201920406286.1U CN209958110U (zh) 2019-03-27 2019-03-27 衣物处理设备
PCT/CN2019/096576 WO2020191963A1 (zh) 2019-03-27 2019-07-18 衣物处理设备

Publications (3)

Publication Number Publication Date
EP3943656A1 true EP3943656A1 (de) 2022-01-26
EP3943656A4 EP3943656A4 (de) 2022-05-11
EP3943656B1 EP3943656B1 (de) 2023-08-30

Family

ID=72608401

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19921859.5A Active EP3943656B1 (de) 2019-03-27 2019-07-18 Wäschebehandlungsvorrichtung

Country Status (2)

Country Link
EP (1) EP3943656B1 (de)
WO (1) WO2020191963A1 (de)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006000188A (ja) * 2004-06-15 2006-01-05 Toshiba Corp 洗濯乾燥機
JP4607774B2 (ja) * 2006-01-20 2011-01-05 株式会社東芝 洗濯乾燥機
JP4550747B2 (ja) * 2006-02-09 2010-09-22 株式会社東芝 衣類乾燥機
JP4612563B2 (ja) * 2006-03-03 2011-01-12 株式会社東芝 衣類乾燥機
JP5133188B2 (ja) * 2008-10-02 2013-01-30 日立アプライアンス株式会社 乾燥機及び洗濯乾燥機
JP2011244979A (ja) * 2010-05-26 2011-12-08 Panasonic Corp 衣類乾燥機
JP5793652B2 (ja) * 2011-09-02 2015-10-14 パナソニックＩｐマネジメント株式会社 衣類乾燥機および洗濯乾燥機
JP2013081635A (ja) * 2011-10-11 2013-05-09 Panasonic Corp 衣類乾燥機
JP5887204B2 (ja) * 2012-05-16 2016-03-16 日立アプライアンス株式会社 乾燥機及び洗濯乾燥機
EP2843100B1 (de) * 2013-08-30 2017-08-09 Electrolux Appliances Aktiebolag Waschtrockner mit Wasserfilter
CN105696290B (zh) * 2014-11-25 2019-06-14 杭州三花研究院有限公司 一种衣物干燥装置

Also Published As

Publication number Publication date
WO2020191963A1 (zh) 2020-10-01
EP3943656B1 (de) 2023-08-30
EP3943656A4 (de) 2022-05-11

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