EP3604664A1 - Structure de conduite d'air d'équipement de séchage de vêtements et équipement de séchage de vêtements - Google Patents

Structure de conduite d'air d'équipement de séchage de vêtements et équipement de séchage de vêtements Download PDF

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Publication number
EP3604664A1
EP3604664A1 EP18776368.5A EP18776368A EP3604664A1 EP 3604664 A1 EP3604664 A1 EP 3604664A1 EP 18776368 A EP18776368 A EP 18776368A EP 3604664 A1 EP3604664 A1 EP 3604664A1
Authority
EP
European Patent Office
Prior art keywords
air
clothes drying
air duct
drying apparatus
duct
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
EP18776368.5A
Other languages
German (de)
English (en)
Other versions
EP3604664B1 (fr
EP3604664A4 (fr
Inventor
Kun Yang
Yiping Bian
Lin Hou
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.)
Haier Smart Home Co Ltd
Chongqing Haier Front Loading Washing Machine Co Ltd
Original Assignee
Qingdao Haier Washing Machine 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.)
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Publication date
Application filed by Qingdao Haier Washing Machine Co Ltd filed Critical Qingdao Haier Washing Machine Co Ltd
Publication of EP3604664A1 publication Critical patent/EP3604664A1/fr
Publication of EP3604664A4 publication Critical patent/EP3604664A4/fr
Application granted granted Critical
Publication of EP3604664B1 publication Critical patent/EP3604664B1/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

Definitions

  • the present invention relates to the technical field of garment drying, and in particular, to an air duct structure of a clothes drying apparatus and a clothes drying apparatus.
  • an air inlet and a heating device of a clothes dryer or a washing and drying machine are connected to each other through an air inlet duct, and cool air is heated by the heating device and then enters a drum through the air inlet duct.
  • most of them are increase the power of the heating device in order to achieve the purpose of increasing the drying speed.
  • the temperature of the drum's air inlet would be relatively high, affecting the normal operation of equipment.
  • traditional the air duct design will result in uneven temperature distribution at the drum's air inlet, resulting in a poor drying efficiency and even damage to the clothes due to local high temperatures.
  • the present invention provides an air duct structure of a clothes drying apparatus that can effectively reduce and uniformly distribute the temperature at the air inlet.
  • An air duct structure of a clothes drying apparatus includes a hollow air duct disposed between a heating device and an air inlet of the clothes drying apparatus, and an air guiding structure arranged inside the hollow air duct.
  • the air guiding structure separates the hollow air duct partially into a first bypass duct and a second bypass duct that are arranged side by side.
  • a single original hot air flow heated by the heating device is divided by the air guiding structure into two split hot air flows, where a first split hot air flow is guided and accelerated by the first bypass duct, and a second split hot air flow is guided and decelerated by the second bypass duct, and the accelerated split hot air flow and the decelerated split hot air flow are converged at the air inlet to form a turbulent hot air flow.
  • a cross-sectional area of the first bypass duct is gradually decreased along a flowing direction of the hot air flow
  • a cross-sectional area of the second bypass duct is gradually increased along the flowing direction of the hot air flow
  • the air guiding structure includes a fixed plate and an air guiding plate that are disposed perpendicularly to each other, the fixed plate is fixed to an inner wall of the hollow air duct, and the air guiding plate is arranged perpendicular to the inner wall of the hollow air duct and is configured for separating the hollow air duct partially into the first bypass duct and the second bypass duct.
  • the air guiding plate includes a main body plate and two diverting plates each of which is disposed at an obtuse angle with the main body plate.
  • the main body plate is perpendicularly fixed to a side of the fixed plate, and is disposed to form an L shape with the fixed plate, and the two diverting plates are symmetrically arranged at and fixedly connected to opposite sides of the main body plate.
  • an angle ⁇ formed between the main body plate and each of the diverting plates lies in the range of 140 to 170 degrees.
  • a diagonal of the fixed plate coincides with an axis of symmetry of the hollow air duct.
  • an angle ⁇ formed between the main body plate and the axis of symmetry of the hollow air duct lies in the range of 130 to 170 degrees.
  • At least one reinforcing rib is arranged at a junction between the fixed plate and the air guiding plate.
  • the fixed plate is provided with a fixing through hole, and a side of each of the diverting plates adjacent to the fixed plate is provided with a fixing insertion plate.
  • the present invention further provides a clothes drying apparatus, including the above-mentioned air duct structure of a clothes drying apparatus.
  • the air guiding structure arranged in the hollow air duct splits the single original hot air flow split into a fast and slow splitting hot air flow, which then form a turbulent hot air flow at the air inlet, thus effectively reducing and uniformly distributing the temperature at the air inlet, improving the safety and reliability of the air duct structure of the clothes drying apparatus, improving the drying efficiency of the clothes drying apparatus, and avoiding the damage to the clothes due to local high temperatures.
  • an air duct structure of a clothes drying apparatus is arranged between a heating device 100 and an air inlet 200 inside a clothes drying apparatus, and includes a hollow air duct 1 and an air guiding structure 2 inside the hollow air duct 1.
  • the air guiding structure 2 separates the hollow air duct 1 partially into a first bypass duct 11 and a second bypass 12 that are arranged side by side.
  • the single original hot air flow heated by the heating device 100 is split by the air guiding structure 2 into two split hot air flow.
  • the first split hot air flow is guided and accelerated by the first bypass duct 11
  • the second split hot air flow is guided and decelerated by the second bypass duct 12
  • the accelerated split hot air flow and the decelerated split hot air flow are converged at the air inlet 200 to form a turbulent hot air flow.
  • the arrangement of the air guiding structure 2 in the hollow air duct 1 makes the single original hot air flow split into a fast and slow splitting hot air flow to form a turbulent hot air flow at the air inlet 200, thus effectively reducing and uniformly distributing the temperature at an air inlet 200, enhancing the safety and reliability of the air duct structure of the clothes drying apparatus, improving the drying efficiency of the clothes drying apparatus, and avoiding damage to the garment due to local high temperatures.
  • a cross-sectional area of the first bypass duct 11 is gradually decreased along a flowing direction of the hot air flow
  • a cross-sectional area of the second bypass duct 12 is gradually increased along the flowing direction of the hot air flow.
  • the air guiding structure 2 includes a fixed plate 21 and an air guiding plate 22 that are disposed perpendicularly to each other, the fixed plate 21 is fixedly attached to an inner wall of the hollow air duct 1.
  • the air guiding plate 22 is arranged perpendicular to the inner wall of the hollow air duct 1 and is configured for separating the hollow air duct 1 partially into the first bypass duct 11 and the second bypass duct 12.
  • the arrangement of the fixed plate 21 and the air guiding plate 22 is simple in structure and has a low cost, and can safely and reliably achieve the splitting of the original hot air flow.
  • the air guiding plate 22 includes a main body plate 221 and two diverting plates 222 each of which is disposed at an obtuse angle with the main body plate 221.
  • the main body plate 221 is vertically fixed to a side of the fixed plate 21, and is disposed in an L shape with the fixed plate 21, and the two diverting plates 222 are symmetrically arranged at and fixedly connected to opposite sides of the main body plate 221.
  • the main body plate 221 and the diverting plate 222 are integrally formed.
  • the arrangement of the main body plate 221 and the diverting plate 222 is simple in molding preparation, reliable in the splitting function, and improves the safety and reliability of the air duct structure of the clothes drying apparatus.
  • the obtuse angle formed between the main body plate 221 and the diverting plate 222 effectively reduces wind resistance and improves the air flow guiding effect of the air duct structure of the clothes drying apparatus on the basis of gentle air flow guiding.
  • an angle ⁇ formed between the main body plate 221 and each of the diverting plates 222 lies in the range of 140 to 170 degrees.
  • the included angle ⁇ in the present invention is equal to 163 degrees.
  • a diagonal of the fixed plate 21 coincides with an axis of symmetry of the hollow air duct 1, and an angle ⁇ formed between the main body plate 221 and the axis of symmetry of the hollow air duct 1 lies in the range of 130 to 170 degrees.
  • the included angle ⁇ in the present invention is equal to 155 degrees.
  • At least one reinforcing rib 23 is arranged at a junction between the fixed plate 21 and the air guiding plate 22.
  • one reinforcing rib 23 is provided. Due to mechanical characteristics of the plate-like structure of the air guiding plate 22 and the arrangement of the reinforcing ribs 23, the safety and reliability of the air guiding plate 22 during the splitting process is improved, and the service life of the air duct structure of the clothes drying apparatus is improved.
  • the fixed plate 21 is provided with a fixing through hole 211, a fixing member such as a screw passes through the fixing through hole 211 to fix the fixed plate 21 to the inner wall of the hollow air duct 1, a fixing insertion blade 2221 is provided on a side of the diverting plate 222 adjacent to the fixed plate 21, and is configured to be inserted into a corresponding slot (not shown in the figure) on the inner wall of the hollow air duct 1.
  • two fixing through holes 211 are provided in order to increase the reliability of the fixing.
  • the matching arrangement of the fixing through hole 211 and the fixing insertion blade 2221 makes the fixing of the air guiding structure 2 in the hollow air duct 1 more firm, and improves the safety and reliability of the air duct structure of the clothes drying apparatus.
  • the fixed plate 21, the air guiding plate 22, and the reinforcing rib 23 are integrally formed. In an embodiment, the fixed plate 21, the air guiding plate 22, and the reinforcing rib 23 are integrally formed by a stamping process. The above arrangement reduces the processing cost and improves the structural strength and service life of the air guiding structure 2.
  • the present embodiment further provides a clothes drying apparatus
  • the clothes drying apparatus includes the above-mentioned air duct structure of the clothes drying apparatus.
  • the above-mentioned clothes drying apparatus may be a clothes dryer and a washing and drying machine, or may be other devices capable of implementing a drying function.
  • the air duct structure of a clothes drying apparatus effectively reduces and uniformly distributes the temperature at the air inlet, improves the drying efficiency of the clothes drying apparatus, and avoiding damage to the clothes due to local high temperatures.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP18776368.5A 2017-03-29 2018-03-23 Structure de conduite d'air d'équipement de séchage de vêtements et équipement de séchage de vêtements Active EP3604664B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710197986.XA CN108660719A (zh) 2017-03-29 2017-03-29 一种干衣设备风道结构及干衣设备
PCT/CN2018/080165 WO2018177204A1 (fr) 2017-03-29 2018-03-23 Structure de conduite d'air d'équipement de séchage de vêtements et équipement de séchage de vêtements

Publications (3)

Publication Number Publication Date
EP3604664A1 true EP3604664A1 (fr) 2020-02-05
EP3604664A4 EP3604664A4 (fr) 2020-12-02
EP3604664B1 EP3604664B1 (fr) 2022-09-28

Family

ID=63674201

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18776368.5A Active EP3604664B1 (fr) 2017-03-29 2018-03-23 Structure de conduite d'air d'équipement de séchage de vêtements et équipement de séchage de vêtements

Country Status (3)

Country Link
EP (1) EP3604664B1 (fr)
CN (1) CN108660719A (fr)
WO (1) WO2018177204A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19644711A1 (de) * 1996-10-28 1998-04-30 Aeg Hausgeraete Gmbh Trockner mit einem besonderen Prozeßluftkanal
KR20050076213A (ko) * 2004-01-20 2005-07-26 삼성전자주식회사 의류건조기
CN102071564B (zh) * 2009-11-25 2013-11-13 博西华电器（江苏）有限公司 加热装置和使用该加热装置的衣物烘干设备
CN102286873B (zh) * 2011-08-03 2016-08-31 青岛海尔滚筒洗衣机有限公司 一种用于洗干一体机的防水倒流的进风连接管路
ES2544310T3 (es) * 2012-02-06 2015-08-28 Lg Electronics Inc. Máquina de lavado que comprende una tobera y un calentador dispuesto en un conducto de secado y procedimiento de control de la misma
CN202543670U (zh) * 2012-02-15 2012-11-21 上海日立电器有限公司 一种热泵型洗衣干衣机的回风结构
EP2628845A1 (fr) * 2012-02-20 2013-08-21 Electrolux Home Products Corporation N.V. Machine de traitement du linge avec échangeur de chaleur et procédé canal d'air
KR101632013B1 (ko) * 2014-12-08 2016-06-21 엘지전자 주식회사 히트펌프 사이클을 구비한 응축식 의류 건조기 및 이의 제어방법
CN204982471U (zh) * 2015-04-30 2016-01-20 广东格兰仕集团有限公司 带有导风机构的干衣机
CN205775468U (zh) * 2016-05-31 2016-12-07 无锡小天鹅股份有限公司 热泵安装盒及热泵干衣机或热泵洗干一体机

Also Published As

Publication number Publication date
EP3604664B1 (fr) 2022-09-28
CN108660719A (zh) 2018-10-16
EP3604664A4 (fr) 2020-12-02
WO2018177204A1 (fr) 2018-10-04

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