EP4296423A1 - Condenser for drying device, and drying device - Google Patents

Condenser for drying device, and drying device Download PDF

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Publication number
EP4296423A1
EP4296423A1 EP22770185.1A EP22770185A EP4296423A1 EP 4296423 A1 EP4296423 A1 EP 4296423A1 EP 22770185 A EP22770185 A EP 22770185A EP 4296423 A1 EP4296423 A1 EP 4296423A1
Authority
EP
European Patent Office
Prior art keywords
arc
airflow
shaped
sidewall
splitting
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.)
Pending
Application number
EP22770185.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4296423A4 (en
Inventor
Shuang Li
Tao Li
Yonghong Xu
Xiaobin Li
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.)
Qingdao Haier Drum Washing Machine Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Drum Washing Machine Co Ltd
Haier Smart Home 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
Application filed by Qingdao Haier Drum Washing Machine Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Drum Washing Machine Co Ltd
Publication of EP4296423A1 publication Critical patent/EP4296423A1/en
Publication of EP4296423A4 publication Critical patent/EP4296423A4/en
Pending legal-status Critical Current

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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 
    • D06F58/24—Condensing arrangements
    • 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 
    • D06F58/22—Lint collecting arrangements
    • 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
    • D06F58/30—Drying processes 

Definitions

  • the present disclosure belongs to the technical field of drying devices, and specifically provides a condenser for a drying device, and a drying device.
  • a drying device refers to a machine that can use hot air to dry clothing.
  • the drying device mainly includes a washing-drying integrated machine, a drying machine or a dryer, etc.
  • washing-drying integrated machine As an example, it is an intelligent device on which rinsing, spinning and drying functions are integrated at the same time. Due to its special advantages such as high cost-effectiveness, strong spatial inclusiveness, and time-saving and labor-saving due to washing-drying integration, the washing-drying integrated machine is very popular with users in the home appliance market.
  • a filter screen is often arranged midway in a circulating air path to block clothing lint generated during drying.
  • a blocking effect of the filter screen on the lint is poor.
  • the present disclosure provides a condenser for a drying device;
  • the condenser includes a body, in which a hollow chamber is formed; a water blocking structure is arranged on an inner wall of the hollow chamber to break up a cooling water flow flowing into the hollow chamber; a first arc-shaped structure, a second arc-shaped structure, and a splitting structure located between the first arc-shaped structure and the second arc-shaped structure are also arranged on a front sidewall of the hollow chamber; an air inlet is formed on a rear sidewall of the hollow chamber; a left sidewall of the hollow chamber is configured into an arc shape, and two ends of the left sidewall are smoothly connected with the first arc-shaped structure and the rear sidewall respectively; a right sidewall of the hollow chamber is configured into an arc shape, and two ends of the right sidewall are smoothly connected with the second arc-shaped
  • the water blocking structure is arranged close to the splitting structure.
  • a water guide channel is arranged on the front sidewall, and a bottom end of the water guide channel is connected with the water blocking structure.
  • the water blocking structure is arranged on the front sidewall and has a triangular shape, and a centerline of the water blocking structure coincides with a centerline of the splitting structure so that the cooling water is evenly broken up.
  • the water blocking structure is a water blocking protrusion formed on the front sidewall.
  • a first arc-shaped guide structure and a second arc-shaped guide structure are arranged on the rear sidewall, so that the first airflow and the second airflow can flow smoothly toward the first arc-shaped structure and the second arc-shaped structure respectively.
  • the splitting structure is symmetrically arranged left and right, and a centerline of the splitting structure coincides with a centerline of the air inlet so that the first airflow and the second airflow have substantially the same volume.
  • the splitting structure includes a first arc-shaped splitting part and a second arc-shaped splitting part; one end of the first arc-shaped splitting part is smoothly connected with the first arc-shaped structure, the other end of the first arc-shaped splitting part is smoothly connected with one end of the second arc-shaped splitting part, and the other end of the second arc-shaped splitting part is smoothly connected with the second arc-shaped structure.
  • a baffle is arranged at the air inlet to reduce an air inflow area of the air inlet.
  • the present disclosure also provides a drying device, which includes the condenser described above.
  • a water blocking structure is arranged on the sidewall of the hollow chamber of the condenser to break up the cooling water flow into water sprays.
  • the water sprays not only can flush the sidewall of the hollow chamber at the same time when a drying program is executed, but also can dissolve the lint carried in the circulating airflow in the water sprays.
  • a first arc-shaped structure, a second arc-shaped structure and a splitting structure are arranged on the front sidewall, and the left sidewall and the right sidewall of the hollow chamber are each configured into an arc shape.
  • the gas entering from the air inlet is split into a first airflow and a second airflow by the splitting structure, and the first airflow and the second airflow can rotationally rise.
  • a travel of the first airflow and the second airflow in the body of the condenser is lengthened, so that the cooling effect can be improved.
  • the two rotationally rising airflows, in which the broken-up cooling water sprays are carried form "whirlwind"-like water sprays in the condenser.
  • vortex-like water sprays with a certain liquid level are formed in the condenser.
  • the lint dissolves in the water sprays.
  • the constantly fluctuating water sprays flush the bottom of the condenser in real time, which can improve a filtering effect on the lint.
  • the water blocking structure is arranged close to the splitting structure. Through such an arrangement, the cooling water can immediately meet two streams of spiral airflow after being broken up, which can achieve better lint filtering and condensation effects.
  • the water blocking structure is also arranged on the front sidewall of the hollow chamber, and the water blocking structure is triangular, with the centerline of the water blocking structure coinciding with the centerline of the splitting structure, so that the cooling water is evenly broken up.
  • the two streams of spiral airflow can carry substantially the same volume of cooling water sprays for rising, so that dehumidifying and filtering are more uniform, further improving the filtering effect on the lint and the condensation effect on the airflows.
  • the splitting structure is symmetrically arranged left and right, and the centerline of the splitting structure coincides with the centerline of the air inlet.
  • the first airflow and the second airflow can have substantially the same volume. In this way, when the first airflow and the second airflow meet at a position close to the rear sidewall, they will not scatter each other; instead, they can flow in parallel toward the front sidewall under interaction, and then respectively enter the first arc-shaped structure and the second arc-shaped structure arranged on the front sidewall.
  • a first arc-shaped guide structure and a second arc-shaped guide structure are arranged on the rear sidewall, so that the first airflow and the second airflow can flow smoothly toward the first arc-shaped structure and the second arc-shaped structure respectively.
  • the first airflow and the second airflow meet, a movement trend of the first airflow and a movement trend of the second airflow are both toward the front sidewall. Therefore, after the first airflow and the second airflow meet, they can interact with each other, so that the first airflow moves toward the first arc-shaped structure, and the second airflow moves toward the second arc-shaped structure.
  • the drying device further provided by the present disclosure on the basis of the above technical solutions, due to the adoption of the above condenser, has the technical effects of the above condenser.
  • the drying device of the present disclosure can better filter the lint and has a higher drying efficiency.
  • connection may be a fixed connection, or may also be a detachable connection, or an integral connection; it may be a mechanical connection, or an electrical connection; it may be a direct connection, or an indirect connection implemented through an intermediate medium, or it may be internal communication between two elements.
  • connection may be a fixed connection, or may also be a detachable connection, or an integral connection; it may be a mechanical connection, or an electrical connection; it may be a direct connection, or an indirect connection implemented through an intermediate medium, or it may be internal communication between two elements.
  • the present disclosure provides a condenser for a washing-drying integrated machine, and a washing-drying integrated machine, aiming to filter the lint through the condenser.
  • the washing-drying integrated machine of the present disclosure includes a cabinet, in which a drum, a condenser, a fan, a heater and an air pipe are arranged; the heater is installed in the air pipe, one end of the air pipe is communicated with the drum, the other end of the air pipe is communicated with an air outlet of the fan, and the fan is installed between the condenser and the air pipe.
  • FIG. 1 is a first schematic perspective view of the condenser of the present disclosure
  • FIG. 2 is a second schematic perspective view of the condenser of the present disclosure.
  • the condenser of the present disclosure includes a body 1 and a cooling water pipe (not shown).
  • An upper part of the body 1 is provided with an air outlet 2
  • a lower part of the body 1 is provided with an air inlet 3
  • an interior of the body 1 is formed with a hollow chamber.
  • the top of the hollow chamber is communicated with the air outlet 2, and the bottom of the hollow chamber is communicated with the air inlet 3.
  • the upper part of the body 1 of the condenser is also provided with a water inlet 4, which is communicated with the hollow chamber, and a water outlet end of the cooling water pipe is communicated with the water inlet 4.
  • the water inlet 4 can be arranged in a middle position of the body 1, or on left and right sides of the body 1.
  • cooling water can be provided to the interior of the hollow chamber of the condenser through the cooling water pipe.
  • the humid hot air discharged from the drum enters the hollow chamber from the air inlet 3 and exchanges heat with the cooling water in the hollow chamber.
  • the moisture in the humid hot air is condensed into water, and the condensed air becomes relatively dry cold air, which is then discharged through the air outlet 2.
  • the cooling water and the condensed water are discharged from the air inlet 3 at the lower part.
  • FIG. 3 is a front view of the condenser of the present disclosure
  • FIG. 4 is a cross-sectional view of a first embodiment taken along line A-A in FIG. 3
  • FIG. 5 is a cross-sectional view of a second embodiment taken along line A-A in FIG. 3
  • FIG. 6 is a cross-sectional view taken along line B-B in FIG. 3
  • FIG. 7 is a cross-sectional view taken along line C-C in FIG. 3
  • FIG. 8 is a side view of the condenser of the present disclosure
  • FIG. 9 is a cross-sectional view taken along line D-D in FIG. 8 .
  • a water blocking structure 5 is arranged on the sidewall of the hollow chamber.
  • the water sprays not only can flush the sidewall of the hollow chamber at the same time when the drying program is executed, but also can dissolve the lint carried in the circulating airflow in the water sprays. Then, the lint flows out with the condensed water from the air inlet 3 and is finally discharged from the machine through a drainage pipe.
  • the condenser can also filter the lint, reduce continuous circulation of the lint in the drying system, "purify" the airflow carrying the lint, reduce the phenomenon of the lint attaching to various components such as a drying module, and reduce the phenomenon of the lint blocking a drying air duct.
  • the water blocking structure 5 may be a water blocking rib, a water blocking lump, or a water blocking plate, etc. Such adjustments and changes to the specific structural form of the water blocking structure 5 do not deviate from the principle and scope of the present disclosure, and should all be defined within the scope of protection of the present disclosure.
  • a first arc-shaped structure 11, a second arc-shaped structure 12, and a splitting structure 13 located between the first arc-shaped structure 11 and the second arc-shaped structure 12 are arranged on a front sidewall of the hollow chamber.
  • a left sidewall 14 and a right sidewall 15 of the hollow chamber are both configured into an arc shape, two ends of the left sidewall 14 are smoothly connected with the first arc-shaped structure 11 and a left end of a rear sidewall 16 respectively, and two ends of the right sidewall 15 are smoothly connected with the second arc-shaped structure 12 and a right end of the rear sidewall 16 respectively.
  • the air inlet 3 is arranged on the rear sidewall 16 of the hollow chamber, and the splitting structure 13 is opposite to the air inlet 3.
  • the splitting structure 13 can split the airflow into two streams of airflow, denoted as a first airflow 7 and a second airflow 8.
  • the first airflow 7 can enter the first arc-shaped structure 11 substantially in a tangential direction of the first arc-shaped structure 11. Under the pushing of subsequent airflow, the first airflow 7 can rotate counterclockwise and rise along the first arc-shaped structure 11, the left sidewall 14, and a left part of the rear sidewall 16.
  • the second airflow 8 can enter the second arc-shaped structure 12 substantially in a tangential direction of the second arc-shaped structure 12. Under the pushing of subsequent airflow, the second airflow 8 can rotate clockwise and rise along the second arc-shaped structure 12, the right sidewall 15, and a right part of the rear sidewall 16.
  • the hollow chamber includes two gas channels.
  • the first arc-shaped structure 11, the left sidewall 14 and the left part of the rear sidewall 16 form the first gas channel.
  • the second arc-shaped structure 12, the right sidewall 15 and the right part of the rear sidewall 16 form the second gas channel.
  • the gas is split into the first airflow 7 and the second airflow 8 by the splitting structure 13.
  • the first airflow 7 can rotationally rise along an inner wall of the first gas channel
  • the second airflow 8 can rotationally rise along an inner wall of the second gas channel.
  • the splitting structure 13 is innovatively provided on the front sidewall of the hollow chamber.
  • the splitting structure 13 splits the gas entering from the air inlet 3 into the first airflow 7 and the second airflow 8, so that the first airflow 7 and the second airflow 8 rotationally rise respectively.
  • the travel of the first airflow 7 and the second airflow 8 in the body 1 of the condenser becomes longer, thus improving the cooling effect.
  • the two rotationally rising airflows in which the broken-up cooling water sprays are carried, form "whirlwind"-like water sprays in the condenser.
  • vortex-like water sprays with a certain liquid level are formed in the condenser.
  • the lint dissolves in the water sprays.
  • the constantly fluctuating water sprays flush the bottom of the condenser in real time, which can improve a filtering effect on the lint.
  • the water blocking structure 5 is arranged close to the splitting structure 13.
  • the cooling water can immediately meet two streams of spiral airflow after being broken up, which can achieve better lint filtering and condensation effects.
  • the water blocking structure 5 can also be kept away from the air outlet 2, thus preventing the water sprays from being splashed to the fan from the air outlet 2, and also preventing the water sprays from being carried by the airflows into the drum to cause low drying efficiency.
  • FIGS. 4 and 5 both of which are cross-sectional views taken along line A-A in FIG. 3 .
  • FIGS. 4 and 5 show two splitting structures 13 with different shapes, and these two splitting structures 13 are both preferred embodiments of the present disclosure.
  • both the splitting structure 13 in FIG. 4 and the splitting structure 13 in FIG. 5 are symmetrically arranged left and right, and centerlines thereof coincide with a centerline of the air inlet 3.
  • the first airflow 7 and the second airflow 8 can have substantially the same volume. In this way, when the first airflow 7 and the second airflow 8 meet at a position close to the rear sidewall 16, they will not scatter each other; instead, they can flow together in parallel toward the front sidewall under interaction, and then respectively enter the first arc-shaped structure 11 and the second arc-shaped structure 12 arranged on the front sidewall.
  • the splitting structure 13 shown in FIG. 4 includes a first arc-shaped splitting part 131 and a second arc-shaped splitting part 132.
  • a left end of the first arc-shaped splitting part 131 is smoothly connected with the first arc-shaped structure 11
  • a right end of the first arc-shaped splitting part 131 is smoothly connected with a left end of the second arc-shaped splitting part 132
  • a right end of the second arc-shaped splitting part 132 is smoothly connected with the second arc-shaped structure 12.
  • the gas entering from the air inlet 3 hits the splitting structure 13 and is split into the first airflow 7 and the second airflow 8.
  • the first airflow 7 flows toward the first arc-shaped structure 11 along the first arc-shaped splitting part 131
  • the second airflow 8 flows toward the second arc-shaped structure 12 along the second arc-shaped splitting part 132.
  • the splitting structure 13 in FIG. 5 is a structure composed of the right end part of the first arc-shaped structure 11 and the left end part of the second arc-shaped structure 12.
  • the gas entering from the air inlet 3 hits the splitting structure 13 and is split into the first airflow 7 and the second airflow 8.
  • the first airflow 7 directly flows into the first arc-shaped structure 11, and the second airflow 8 directly flows into the second arc-shaped structure 12.
  • a first arc-shaped guide structure 161 and a second arc-shaped guide structure 162 are arranged on the rear sidewall 16 of the hollow chamber. Under the guidance of the first arc-shaped guide structure 161, the first airflow 7 can smoothly flow toward the first arc-shaped structure 11. Similarly, under the guidance of the second arc-shaped guide structure 162, the second airflow 8 can also smoothly flow toward the second arc-shaped structure 12.
  • a middle partition may be provided in the hollow chamber.
  • a front side of the middle partition is smoothly connected with the first arc-shaped structure 11 and the second arc-shaped structure 12 respectively, and a rear side of the middle partition is smoothly connected with the left part and the right part of the rear sidewall 16 respectively.
  • the hollow chamber can be divided into two chambers. The first airflow 7 can rotationally rise along an inner wall of the chamber on the left side, and the second airflow 8 can rotationally rise along an inner wall of the chamber on the right side.
  • a water guide channel 17 is also arranged on the front sidewall of the hollow chamber.
  • a top end of the water guide channel 17 is connected with the water inlet 4, and a bottom end of the water guide channel 17 is connected with the water blocking structure 5.
  • cooling water is supplied into the hollow chamber through the cooling water pipe. After entering the water guide channel 17, the cooling water flows downward along the water guide channel 17. When the cooling water flows to the water blocking structure 5, it is broken up into water sprays.
  • the water blocking structure 5 is also arranged on the front sidewall of the hollow chamber, and the water blocking structure 5 is triangular.
  • the top end of the water blocking structure 5 is aligned with the bottom end of the water guide channel 17, and the centerline of the water blocking structure 5 coincides with the centerline of the splitting structure 13 so that the cooling water is evenly broken up.
  • the two streams of spiral airflow can carry substantially the same volume of cooling water sprays for rising, so that dehumidifying and filtering are more uniform, further improving the filtering effect on the lint and the condensation effect on the airflows.
  • the water blocking structure 5 is preferably a water blocking protrusion formed on the front sidewall.
  • baffles 6 are provided at the air inlet 3 to reduce an air inflow area of the air inlet 3.
  • the number of the baffles 6 is two, and the two baffles 6 are located on left and right sides of the air inlet 3 respectively.
  • the air inflow area of the air inlet 3 is reduced.
  • the cross section of flow channel rapidly narrows, and the speed of airflows increases, providing greater momentum for the two spirally rising airflows, and thereby increasing a spirally rising height of the airflows.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Drying Of Solid Materials (AREA)
EP22770185.1A 2021-03-18 2022-01-18 CONDENSER FOR DRYING DEVICE, AND DRYING DEVICE Pending EP4296423A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110292988.3A CN115110282A (zh) 2021-03-18 2021-03-18 用于烘干设备的冷凝器及烘干设备
PCT/CN2022/072578 WO2022193825A1 (zh) 2021-03-18 2022-01-18 用于烘干设备的冷凝器及烘干设备

Publications (2)

Publication Number Publication Date
EP4296423A1 true EP4296423A1 (en) 2023-12-27
EP4296423A4 EP4296423A4 (en) 2024-07-24

Family

ID=83321959

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22770185.1A Pending EP4296423A4 (en) 2021-03-18 2022-01-18 CONDENSER FOR DRYING DEVICE, AND DRYING DEVICE

Country Status (6)

Country Link
US (1) US20240167216A1 (ja)
EP (1) EP4296423A4 (ja)
JP (1) JP2024510755A (ja)
CN (1) CN115110282A (ja)
AU (1) AU2022237195A1 (ja)
WO (1) WO2022193825A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113756071B (zh) * 2020-06-02 2023-06-30 青岛海尔洗涤电器有限公司 用于烘干设备的冷凝器及烘干设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3603814B2 (ja) * 2001-06-14 2004-12-22 株式会社日立製作所 洗濯乾燥機
TR200803577T1 (tr) * 2005-12-05 2008-11-21 Arçeli̇k Anoni̇m Şi̇rketi̇ Bir kurutucu
EP2638202B1 (en) * 2010-11-10 2016-01-27 Arçelik Anonim Sirketi Thermoelectric heat pump laundry dryer
CN104711833B (zh) * 2013-12-13 2018-04-06 博西华电器（江苏）有限公司 干衣机
CN105088627A (zh) * 2014-04-22 2015-11-25 无锡小天鹅股份有限公司 洗衣机和用于洗衣机的冷凝器
CN105544166B (zh) * 2016-02-03 2018-03-30 海信（山东）冰箱有限公司 一种水冷凝装置以及洗干一体机
CN110093765A (zh) * 2018-01-31 2019-08-06 青岛海尔滚筒洗衣机有限公司 一种冷凝装置及衣物处理设备
CN113756071B (zh) * 2020-06-02 2023-06-30 青岛海尔洗涤电器有限公司 用于烘干设备的冷凝器及烘干设备
CN215561394U (zh) * 2021-03-18 2022-01-18 青岛海尔滚筒洗衣机有限公司 用于烘干设备的冷凝器及烘干设备

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Publication number Publication date
US20240167216A1 (en) 2024-05-23
CN115110282A (zh) 2022-09-27
WO2022193825A1 (zh) 2022-09-22
AU2022237195A1 (en) 2023-10-05
JP2024510755A (ja) 2024-03-11
EP4296423A4 (en) 2024-07-24

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