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WO2018196701A1 - Système de séchage de machine à laver le linge, et machine à laver le linge - Google Patents

Système de séchage de machine à laver le linge, et machine à laver le linge Download PDF

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Publication number
WO2018196701A1
WO2018196701A1 PCT/CN2018/084017 CN2018084017W WO2018196701A1 WO 2018196701 A1 WO2018196701 A1 WO 2018196701A1 CN 2018084017 W CN2018084017 W CN 2018084017W WO 2018196701 A1 WO2018196701 A1 WO 2018196701A1
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WO
WIPO (PCT)
Prior art keywords
section
variable
equal
flow
bottom wall
Prior art date
Application number
PCT/CN2018/084017
Other languages
English (en)
Chinese (zh)
Inventor
赵雪利
徐永洪
张立君
Original Assignee
青岛海尔洗衣机有限公司
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 青岛海尔洗衣机有限公司 filed Critical 青岛海尔洗衣机有限公司
Publication of WO2018196701A1 publication Critical patent/WO2018196701A1/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
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/22—Lint collecting arrangements

Definitions

  • the present application relates to the field of home appliance production technology, for example, to a drying system of a washing machine and a washing machine.
  • the washing and drying machine in the related art can be divided into three types: the first type is a simple straight type type, and the fan blows the hot air output from the heating tube into the inner tube through the drying heating channel, and the heat causes the water of the clothes to evaporate into steam.
  • the hot steam is discharged into the room;
  • the second type is air-cooled and water-cooled, and the fan blows the heat generated by the heating pipe into the inner cylinder through the drying heating channel, and the heat causes the water of the clothes to evaporate into steam, which is air-cooled or water-cooled.
  • the wet heat steam condenses the third is a heat pump system, the hot steam passes through the evaporator to condense the water, the working medium is transferred from the evaporator to the condenser through the compressor, and the heat is released in the condenser to heat the air.
  • the wind of the clothes in the inner cylinder will be brought to the drying passage and the air duct when the wind is blown, and the wind is piled up at the fan.
  • the air volume of the drying channel is reduced, resulting in a decrease in heat exchange efficiency, thereby reducing drying efficiency, resulting in prolonged drying time, increased drying energy consumption, and even inability to dry clothes.
  • the present application provides a drying system for a washing machine and a washing machine, which can solve the above problems.
  • the present application provides a drying system for a washing machine, comprising a duct and a filtering device disposed in the duct;
  • the filtering device includes a screen and a cleaning portion, the cleaning portion including a mounting plate and an inlet pipe, a filter screen is mounted on the installation disk;
  • the water inlet pipe extends in a direction of the filter mesh; one side of the installation disk is connected to the water inlet pipe, and an inner cavity of the installation disk and the water inlet pipe are
  • the inner chamber communicates to form a washing passage, the inlet end of the washing passage is located at one end of the inlet pipe away from the installation tray, and the outlet end of the washing passage is located at one side of the screen.
  • the cleaning channel comprises an equal section section and a variable section section, one end of the variable section section is connected to one end of the equal section section, and the other end of the variable section section is connected to an outlet end of the cleaning channel Connecting, and the other end of the equal section is connected to the inlet end of the cleaning passage; in the flow direction of the medium, the flow area of the equal section is constant, and the overflow area of the variable section is increased,
  • the medium flow direction is included in a direction along an inlet end of the washing passage toward an outlet end of the washing passage.
  • the wall surface of the equal section is connected to the wall surface of the variable section by a curved wall surface, and the wall surface of the equal section and the wall surface of the variable section respectively are opposite to the curved wall surface cut.
  • the dimension of the flow surface of the variable section in a direction parallel to the disk surface increases along the flow direction of the medium and varies linearly .
  • At least a portion of the cross-sectional surface of the variable-section segment has a size in a direction perpendicular to the disk surface, which is greatly reduced along the flow direction of the medium.
  • variable section includes a first equal-sized portion and a variable-sized portion, one end of the variable-sized portion is connected to the first equal-sized portion, and the other end of the variable-sized portion is opposite to the outlet end Connecting along the flow direction of the medium, the size of the flow surface of the first equal-sized portion is constant in a direction perpendicular to the disk surface, and the flow surface of the variable size portion is perpendicular to the disk surface The size on the top is reduced from large to small.
  • the sizing portion includes a first bottom wall and a second bottom wall, the first bottom wall and the second bottom wall are oppositely disposed in a direction perpendicular to the disk surface, and the first bottom
  • the wall is a planar structure and the second bottom wall is a curved structure.
  • variable section includes a first equal-sized portion, a variable-sized portion, and a second equal-sized portion, one end of the variable-sized portion being connected to one end of the first equal-sized portion, the variable-sized portion The other end is connected to one end of the second equal-sized portion, the other end of the first equal-sized portion is connected to the inlet end of the washing passage, and the other end of the second equal-sized portion is connected to the outlet End connection
  • a dimension of the flow surface of the first equal-sized portion is constant in a direction perpendicular to the disk surface, and a flow surface of the variable size portion is in a direction perpendicular to the disk surface
  • the size is changed from large to small, and the size of the flow surface of the second equal-sized portion in a direction perpendicular to the disk surface is constant;
  • variable size portion includes a first bottom wall and a second bottom wall, the first bottom wall and the second bottom wall are oppositely disposed in a direction perpendicular to the disk surface, and the first bottom wall is In a planar structure, the second bottom wall is a curved structure.
  • the installation disk comprises a mounting frame, the mounting frame is an annular structure, the filter mesh is installed in the annular structure, and an inner wall of the cleaning channel is tangent to a ring wall of the annular structure.
  • the application also provides a washing machine comprising the drying system of any of the above.
  • the drying system adds a filtering device to the air duct, and the filtering device includes a filter screen and a cleaning portion.
  • the screen is filtered. Intercepting, preventing the wire from accumulating in the fan, and cleaning the wire waste on the filter net through the cleaning part to avoid blockage of the filter, thereby ensuring the smooth flow of the fan, the air duct and the drying passage, improving the heat exchange efficiency and drying efficiency. Shorten the drying time, reduce the drying energy consumption, and ensure the drying effect of the clothes.
  • FIG. 1 is a schematic structural view of a drying system according to an embodiment of the present application.
  • FIG. 2 is a partial schematic view of a drying system according to an embodiment of the present application.
  • FIG. 3 is a schematic structural view of a filtering device in a drying system according to an embodiment of the present application.
  • FIG. 4 is a top plan view of a filtering device in a drying system according to an embodiment of the present application.
  • FIG. 5 is a side view of a filtering device in a drying system according to an embodiment of the present application.
  • Figure 6 is a cross-sectional view taken along line A-A of Figure 5;
  • Figure 7 is a partial enlarged view of I in Figure 6;
  • Figure 8 is a cross-sectional view taken along line B-B of Figure 5;
  • Figure 9 is a partial enlarged view of the portion II in Figure 8.
  • FIG. 10 is a flow chart of a medium flow in a cleaning unit in a drying system according to an embodiment of the present application
  • Figure 11 is a flow chart showing the flow of the medium in the cleaning section in the comparative example.
  • the drying system of the washing machine includes a heating device 10 , a fan 20 , an outer tube 30 , an air duct 40 , and an interface 50 .
  • One end of the air duct 40 communicates with the outer cylinder 30 through the interface 50, the other end of the air duct 40 is connected to the fan 20, and the fan 20 is connected to the heating device 10 to blow the airflow heated by the heating device 10 through the air duct 40 through the air duct 20.
  • the inside of the outer cylinder 30 is inserted into the inner cylinder to realize the drying of the laundry.
  • the drying system of the present application further includes a filtering device 60 disposed in the air duct 40.
  • the filtering device 60 includes a filter screen 61 and a cleaning portion 62.
  • the filter screen 61 is provided with a filtering hole.
  • the 61 may be a flat plate structure or a plate-like structure having a curved surface.
  • the cleaning unit 62 includes a mounting plate 621 and an inlet pipe 622.
  • the screen 61 is mounted on the mounting plate 621.
  • the extending direction of the inlet pipe 622 is consistent with the extending direction of the screen 61.
  • the inner cavity of the mounting plate 621 and the inlet pipe 622 are inside.
  • the chambers communicate to form a cleaning channel, and the outlet end 623 of the cleaning channel is located on one side of the screen 61.
  • the inlet end 624 of the cleaning channel is directed in the direction of the outlet end 623, in line with the direction of extension of the screen 61, wherein the inlet end 624
  • the outlet end 623 is disposed on the side of the inlet pipe 622, and the outlet end 623 is disposed on the side of the installation plate 621.
  • the extending direction of the inlet pipe 622 is parallel to the filter screen 61 so that the flow of the medium flowing through the cleaning passage is One side of the screen 61 flows to the screen 61, and the screen 61 is washed.
  • the medium of the above medium flow may be water.
  • the filtering device 60 is added to the air duct 40, and the filtering device 60 includes the screen 61 and the cleaning portion 62.
  • the screen 61 intercepts the wire to prevent the chips from accumulating at the fan 20, and the cleaning unit 62 can clean the wire chips on the screen 61 to prevent the screen 61 from being clogged.
  • the extending direction of the inlet pipe 622 is aligned with the extending direction of the screen 61, and the flow of the medium flow for scouring the screen 61 can be made smoother, thereby ensuring smooth flow of the fan 20, the air passage 40, and the drying passage, and improving heat exchange efficiency. And drying efficiency, shortening drying time, reducing drying energy consumption, and ensuring the effect of drying clothes.
  • the disk surface of the mounting plate 621 is a flat surface.
  • the mounting plate 621 includes a mounting frame 6211.
  • the mounting frame 6211 may be an annular structure, such as a circular ring structure, an elliptical ring structure, or a rectangular ring structure.
  • the disk surface is a toroidal surface of the annular structure, optionally with a toroidal structure to facilitate processing and increase the strength of the mounting frame 6211.
  • the screen 61 is disposed within the annular structure, i.e., the edge of the screen 61 is coupled to the mounting frame 6211 along its circumference. As shown in Figures 3-4, through the annular structure, the mesh 61 can be provided with a better supporting force, thereby avoiding damage of the screen 61 due to the flushing force.
  • the outlet end 623 may be disposed on a side of the mounting frame 6211 near the fan 20 (the outlet end 623 is not located on the annular structure).
  • the outlet end 623 is directly disposed on the annular wall 6211a of the annular structure, that is, the inner cavity of the mounting plate 621 is disposed on the annular wall 6211a of the mounting frame 6211, and the inner cavity of the mounting disk 621 is disposed near one end of the filter 61.
  • the other end of the outlet end 623 communicates with the inner cavity of the inlet pipe 622, and the outlet end 623 is disposed on the annular wall 6211a of the annular structure, especially when the flow direction of the outlet end 623 is consistent with the extending direction of the screen 61.
  • the volume of the filter device 60 is further reduced, and the medium can be caused to flow to all areas of the screen 61 as much as possible, thereby making the screen 61 more clean.
  • the inner wall of the cleaning channel is tangential to the annular wall 6211a of the annular structure such that the flow of media ejected by the outlet end 623 is as close as possible to each edge of the screen 61.
  • the cleaning passage includes interconnected equal section sections 625 and variable section sections 626, along the direction of the inlet end 624 of the purge passage toward the outlet end 623 (ie, the flow direction of the medium), the cross-sectional area of the equal section section 625 is constant, and the variable section section 626 The overcurrent area is increased, and the variable section 626 is closer to the outlet end 623 than the equal section 625, and the outlet end 623 can be disposed at the larger end of the variable section 626. That is, one end of the variable section is connected to one end of the equal section, the other end of the variable section is connected to the outlet end of the cleaning channel, and the other end of the section is cleaned The entrance end of the channel is connected.
  • a voltage stabilizing cavity can be formed at the variable section section 626 such that the medium flow through the equal section section 625 is regulated at the variable section section 626 to ensure the exit end 623 The medium flow pressure, thereby ensuring the flushing force of the medium flow to the screen 61.
  • the equal section 625 is disposed on the inlet pipe 622, and the variable section 626 is disposed on the mounting plate 621.
  • variable section section 626 and the equal section section 625 are disposed, if the wall surface of the equal section section 625 and the wall surface of the variable section section 626 are angularly transitioned (as shown in the comparative embodiment of FIG. 11), or the equal section section 625 and the variable section Section 626, even if the curved surface transitions, is not tangent to the wall surface of the equal-section section 625 and the wall surface of the variable-section section 626, the medium flow will form two dead-angle areas 627 when it is directed toward the screen 61, as shown in FIG.
  • the medium flow is difficult to flow through or even through the dead zone 627, so that the portion of the filter 61 located in the dead zone 627 cannot be washed clean, and the long-term use, the dead zone 627 will gather a large amount of wire dust, affecting the air passage. 40 wind volume.
  • the wall surface of the equal section section 625 and the wall surface of the variable section section 626 are connected by a curved wall surface, and the wall surface of the equal section section 625 and the wall surface of the variable section section 626 are tangent to the curved wall surface to make the medium
  • the flow can pass through the equal section 625 and then toward the screen 61 along the wall of the variable section 626, thereby enabling the flow of the medium to be flushed to each of the screens 61.
  • the wall surface of the variable section 626 is tangential to the annular wall 6211a.
  • the medium can be flowed to each of the screens 61, thereby minimizing The range of the above-mentioned dead zone 627 is small, and the flow of the medium flow at this time is as shown by the arrow in FIG.
  • the arc-shaped wall surface may be an arc-shaped wall surface or an elliptical arc-shaped wall surface.
  • variable section 626 can have the following settings:
  • the dimension of the overflow surface of the variable section 626 in the direction parallel to the disk surface increases along the flow direction of the medium, and the size may vary linearly or may be Nonlinear variation.
  • the section of the variable section 626 perpendicular to the direction of the disk surface may be an isosceles trapezoidal structure or a right-angled trapezoidal structure.
  • the variable section 626 includes opposing first sidewalls 6263 and second sidewalls 6264.
  • the first sidewalls 6263 and the second sidewalls 6264 form a figure-eight structure and are respectively located opposite to the flow of the medium.
  • the arc-shaped wall surface may be a circular arc-shaped wall surface, and the projection of the arc-shaped wall surface in the Y direction is an arc, and the arc-shaped wall surface is tangent to the first side wall 6263 and the second side wall 6264.
  • the radius of the arc can be as large as possible to make the flow rate of the medium flow more stable and to minimize the extent of the dead zone 627.
  • the dimension of the overflow surface of the variable section 626 in the direction perpendicular to the disk surface (in the Y direction in FIGS. 8-9) is at least partially reduced along the flow direction of the medium, and the entire section 626 can be changed.
  • the size of the flow surface in the direction perpendicular to the disk surface changes, and only a part of the flow surface may vary in size in a direction perpendicular to the disk surface.
  • variable flow section 626 has a size that varies in a direction perpendicular to the disk surface, and the variable section 626 includes a first equal-sized portion 6261 and a variable-sized portion 6262.
  • the flow surface of the first equal-sized portion 6261 is constant in a direction perpendicular to the disk surface (ie, the Y direction in FIGS. 8-9), and the flow surface of the variable size portion 6262 is perpendicular to the disk surface.
  • variable-dimension portion 6262 is closer to the outlet end 623 than the first-equivalent portion 6261, so that the outlet end 623 forms a flat duckbill structure, thereby enabling the variable-section section 626 to function as a voltage regulator.
  • the medium flow pressure at the outlet end 623 can be increased, and the flushing force of the medium flow to the filter screen 61 can be increased, so that the filter screen 61 is washed away more cleanly.
  • variable size portion 6262 and the first equal-sized portion 6261 are transitioned through the curved segment, and the variable-size portion 6262 and the first equal-sized portion 6261 are respectively tangent to the curved segment to reduce the flow resistance of the medium flow, so that the medium flow
  • the flow rate is smoother.
  • variable-sized portion 6262 In the case where the variable-sized portion 6262 is provided, at the outlet end 623, since the dimension of the medium flow in the Y direction suddenly becomes small, the medium flow forms an umbrella-shaped ejection surface in the Y direction, so that part of the medium flow is in the scouring force. When it is large, it cannot contact the screen 61, which reduces the cleaning effect on the screen 61.
  • the variable section 626 further includes a second equal-sized portion 6267, the dimension of the flow-through surface of the second equal-sized portion 6267 along the medium is constant in the direction perpendicular to the disk surface, and the variable-sized portion 6262 is located at the first level.
  • the second equal-size portion 6267 that is, one end of the variable-sized portion is connected to one end of the first-equivalent portion, and the other end of the variable-sized portion and the second equal-sized portion
  • One end of the first sized portion is connected to the inlet end of the cleaning channel, and the other end of the second unequal portion is connected to the outlet end.
  • variable size portion 6262 in the direction perpendicular to the disk surface may vary linearly along the flow direction of the medium, or may vary nonlinearly.
  • the variable size portion 6262 can include a first bottom wall 6265 and a second bottom wall 6266.
  • the first bottom wall is linearly changed along the direction of the medium flow in a dimension of the variable size portion 6262 in a direction perpendicular to the disk surface.
  • the 6265 and the second bottom wall 6266 can both be planar structures.
  • the first bottom wall 6265 and the second bottom wall 6266 are oppositely disposed in a direction perpendicular to the disk surface, and the first bottom wall 6265 can be
  • the second bottom wall 6266 can be a curved structure.
  • the first bottom wall 6265 may extend to the first equal-sized portion 6261 and the second equal-sized portion 6267
  • the second bottom wall 6266 may extend along the extended surface of the cut surface of the end portion thereof to the first equal-sized portion 6261 and
  • the second sized portion 6267 is formed to form a variable section 626 as shown in FIG.
  • the second bottom wall 6266 can also continue to extend to the equal section 625.
  • the second bottom wall 6266 is closer to the fan 20 than the first bottom wall 6265 to make the flow of the medium flow smoother.
  • the first bottom wall 6265 and the second bottom wall 6266 may both have a curved surface structure.
  • variable section 626 in a third manner, the dimension of the flow surface of the variable section 626 in the direction parallel to the disk surface increases along the flow direction of the medium, and at the same time, the dimension of the flow surface of the variable section 626 in the direction perpendicular to the disk surface, at least Part of the flow direction becomes smaller along the medium. That is, the variable section 626 has both the first mode and the second mode. At this time, at the variable size portion 6262, the variable section 626 may have a truncated cone structure or a trapezoidal table structure.
  • variable section 626 may also employ other variable cross-sectional configurations.
  • the drying system and the washing machine of the washing machine provided by the present disclosure can intercept the thread of the laundry in the inner cylinder when being taken into the air duct during the drying process, prevent the thread from accumulating at the fan, and pass the cleaning.
  • the department can clean the wire scraps on the filter net to avoid blockage of the filter screen, thereby ensuring the smooth flow of the fan, the air duct and the drying passage, improving the heat exchange efficiency and drying efficiency, shortening the drying time, and reducing the drying energy consumption. Guarantee the effect of drying clothes.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

L'invention concerne un système de séchage d'une machine à laver le linge, le système comprenant un conduit d'air et un dispositif de filtre disposé dans le conduit d'air. Le dispositif de filtre comprend un tamis et une partie de nettoyage, et la partie de nettoyage comprend une plaque de montage et un tuyau d'entrée d'eau, le tamis étant monté sur la plaque de montage, et le tuyau d'entrée d'eau s'étendant dans la direction du tamis. Un côté de la plaque de montage est relié au tuyau d'entrée d'eau, et une cavité interne de la plaque de montage est en communication avec une cavité interne du tuyau d'entrée d'eau de façon à former un canal de nettoyage. Une extrémité d'entrée du canal de nettoyage est située à l'extrémité, à l'opposé de la plaque de montage, du tuyau d'entrée d'eau, et une extrémité de sortie du canal de nettoyage est située sur un côté du tamis. L'invention concerne en outre une machine à laver le linge.
PCT/CN2018/084017 2017-04-25 2018-04-23 Système de séchage de machine à laver le linge, et machine à laver le linge WO2018196701A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710277564.3A CN108729104B (zh) 2017-04-25 2017-04-25 洗衣机的烘干系统以及洗衣机
CN201710277564.3 2017-04-25

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Publication Number Publication Date
WO2018196701A1 true WO2018196701A1 (fr) 2018-11-01

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Application Number Title Priority Date Filing Date
PCT/CN2018/084017 WO2018196701A1 (fr) 2017-04-25 2018-04-23 Système de séchage de machine à laver le linge, et machine à laver le linge

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WO (1) WO2018196701A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112111914B (zh) * 2019-06-19 2023-02-17 苏州三星电子有限公司 一种双层烘干滤网结构及滚筒洗衣机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1786328A (zh) * 2004-12-10 2006-06-14 Lg电子株式会社 结合有干衣机的洗衣机
WO2012134159A2 (fr) * 2011-03-28 2012-10-04 엘지전자 주식회사 Appareil de traitement de blanchisserie, et procédé de lavage d'un filtre à peluches d'un appareil de traitement de blanchisserie
CN103911835A (zh) * 2009-05-28 2014-07-09 Lg电子株式会社 具有干燥功能的洗衣机
CN105088703A (zh) * 2014-05-22 2015-11-25 青岛海尔滚筒洗衣机有限公司 一种线屑过滤结构及洗干一体机及控制方法
CN105544142A (zh) * 2014-10-28 2016-05-04 Lg电子株式会社 衣物处理装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1786328A (zh) * 2004-12-10 2006-06-14 Lg电子株式会社 结合有干衣机的洗衣机
CN103911835A (zh) * 2009-05-28 2014-07-09 Lg电子株式会社 具有干燥功能的洗衣机
WO2012134159A2 (fr) * 2011-03-28 2012-10-04 엘지전자 주식회사 Appareil de traitement de blanchisserie, et procédé de lavage d'un filtre à peluches d'un appareil de traitement de blanchisserie
CN105088703A (zh) * 2014-05-22 2015-11-25 青岛海尔滚筒洗衣机有限公司 一种线屑过滤结构及洗干一体机及控制方法
CN105544142A (zh) * 2014-10-28 2016-05-04 Lg电子株式会社 衣物处理装置

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