WO2021187929A1 - Appareil de traitement de vêtements - Google Patents

Appareil de traitement de vêtements Download PDF

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Publication number
WO2021187929A1
WO2021187929A1 PCT/KR2021/003388 KR2021003388W WO2021187929A1 WO 2021187929 A1 WO2021187929 A1 WO 2021187929A1 KR 2021003388 W KR2021003388 W KR 2021003388W WO 2021187929 A1 WO2021187929 A1 WO 2021187929A1
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WO
WIPO (PCT)
Prior art keywords
guide
cooling water
container
tub
input unit
Prior art date
Application number
PCT/KR2021/003388
Other languages
English (en)
Korean (ko)
Inventor
노현우
홍상욱
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority claimed from KR1020210035538A external-priority patent/KR20210117221A/ko
Publication of WO2021187929A1 publication Critical patent/WO2021187929A1/fr

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • D06F58/08—Driving 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 
    • D06F58/24—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 
    • D06F58/26—Heating arrangements, e.g. gas heating equipment

Definitions

  • the present invention relates to a laundry treatment apparatus.
  • a clothes treatment apparatus may include a washing machine, a dryer, and a device for refreshing clothes.
  • the washing machine may include a washing machine combined with drying.
  • a clothes treatment device capable of drying laundry dries clothes by supplying heated air (hot air) to the clothes. It can be classified as a laundry treatment apparatus equipped with a system.
  • the circulation drying system removes moisture from the air discharged from the storage space where the laundry is stored, then heats it and supplies it back to the storage space. is a method of exhausting to the outside of the receiving space.
  • a dehumidifying process is essential to remove moisture contained in the air by cooling the air discharged from the receiving space after heat exchange. It is very important to design the dehumidification process to minimize the
  • Patent Document 1 discloses a method of inputting cooling water without wasting it, but does not disclose a structure for effective heat exchange
  • Patent Document 2 discloses a method through which cooling water can flow effectively.
  • Only the content of the schematic method is disclosed.
  • the present disclosure aims to solve the above and other problems.
  • Another object of the present invention is to provide a laundry treatment apparatus, such as a dryer, a washing machine, a washing machine combined dryer, or an apparatus for refreshing clothes, which can circulate the air inside the drum.
  • a laundry treatment apparatus such as a dryer, a washing machine, a washing machine combined dryer, or an apparatus for refreshing clothes, which can circulate the air inside the drum.
  • Another object may be to provide a laundry treatment apparatus having an induction heating means.
  • Another object may be to provide a laundry treatment apparatus having improved condensation efficiency.
  • Another object of the present invention is to provide a laundry treatment apparatus that increases a surface area in which the cooling water supplied for condensation is in contact with air.
  • Another object of the present invention is to provide a laundry treatment apparatus that increases the time during which the coolant exchanges heat with air.
  • Another object of the present invention is to provide a laundry treatment apparatus in which cooling water is properly branched to increase condensation efficiency.
  • Another object of the present invention is to provide a laundry treatment apparatus that guides the branched cooling water streamlines from being merged when the cooling water is branched.
  • Another object of the present invention is to provide a laundry treatment apparatus in which flow rates of cooling water flowing in each of the streamlines of the cooling water are maintained to be similar to each other.
  • the laundry treatment apparatus includes a container in which the drum is disposed.
  • the container may include a front face having an opening.
  • the opening may be located in a central portion of the front surface.
  • the front surface may have a ring shape.
  • the container may include a body extending from the front surface.
  • the body may have an elongated cylindrical shape.
  • the body may extend between the front surface and the rear surface to be described later.
  • the container may include a rear face.
  • the rear surface may be connected to the rear end of the body.
  • An outlet may be formed on the rear surface.
  • the laundry treatment apparatus may include a cabinet.
  • the cabinet may form an exterior of the laundry treatment apparatus.
  • the container may be provided inside the cabinet.
  • the laundry treatment apparatus may be a washing machine or a washing machine combined with drying, and in this case, the container may be a tub.
  • the tub may provide a space for accommodating water.
  • the tub may accommodate the drum.
  • the drum may be provided inside the container.
  • the drum may be rotatably provided.
  • the drum may provide a space for accommodating laundry.
  • the drum may accommodate laundry.
  • the drum may be made of metal.
  • the drum may include an elongated cylindrical body.
  • the drum may include a through hole formed in the body.
  • the drum may include a rear surface facing the rear surface of the container.
  • the heater may include a drying heater disposed inside a duct to be described later.
  • the drying heater may heat the air inside the duct.
  • the heated air may be introduced into the drum to increase the temperature inside the drum.
  • the heater may include an induction heater for heating the drum.
  • the induction heater may be disposed on the outer surface of the container.
  • the induction heater may include a coil.
  • the induction heater may heat the drum through a magnetic field generated by applying a current to the coil.
  • the induction heater may heat the drum body facing the coil.
  • the drum may rotate, and the induction heater may be fixed to the container to heat the entire drum body.
  • the induction heater may heat not only the drum body but also the front and rear parts of the drum by heat conduction.
  • the laundry treatment apparatus includes a cooling water input unit and a guide positioned below the cooling water input unit.
  • the cooling water input unit may be connected to the container body.
  • the cooling water input unit may be adjacent to the rear surface of the container.
  • the cooling water input unit may be configured to input water into the container.
  • the cooling water input unit may be connected to an external water source and connected to a water supply unit for supplying water to the container (or tub).
  • the guide may be provided on the rear surface of the container.
  • the guide may protrude into the container from the rear surface of the container.
  • the guide may extend below the cooling water input unit.
  • the guide may extend along a direction toward the center of the container.
  • the guide may be disposed to have an angle between the vertical line passing through the upper end of the guide and the range of 30 to 60 degrees.
  • the guide may be spaced apart from the rear surface of the drum by a predetermined distance.
  • the predetermined distance may be set to a distance at which the rear surface of the drum and the guide do not collide even if the drum containing the laundry rotates under an unbalanced load.
  • the length of the guide may be less than 1/2 of the radius of the rear surface of the container.
  • the laundry treatment apparatus may further include a driving unit fixed to the rear surface of the container and rotating the drum.
  • the driving unit may include a rotating shaft that passes through the rear surface of the container, is located in the center of the drum, and is fixed to the rear surface of the drum.
  • the guide may be provided in plurality.
  • the plurality of guides may be spaced apart from each other in a longitudinal direction of the guides.
  • the guide may include a first guide positioned below the coolant input unit.
  • the first guide may extend in a direction toward the center of the container.
  • the guide may include a second guide spaced apart from the first guide in a longitudinal direction of the first guide.
  • the second guide may extend along a longitudinal direction of the first guide.
  • first guide part and the second guide part a part of the water supplied from the cooling water discharge part and flowing along the first guide part flows between the first guide part and the second guide part, and the remaining part is the second guide part. They can be spaced apart from each other to flow along the wealth.
  • the distance between the first guide part and the second guide part may be set such that the amount of water flowing downward through the gap and the amount of water flowing along the second guide part are the same.
  • a distance between the first guide part and the second guide part may be in the range of 1 to 5 mm.
  • a liver diameter between the first guide part and the second guide part may be 3 mm.
  • the guide part may have a height defined by a distance between the rear surface of the container and the front end of the guide part.
  • a height of the first guide part may be greater than a height of the second guide part.
  • a length of the second guide part may be longer than a length of the first guide part.
  • the length of the second guide part may be 3 to 5 times longer than the length of the first guide part.
  • the cooling water input unit may have an outlet located in the body of the container.
  • An outlet of the cooling water input unit may be in contact with a rear surface of the container.
  • An outlet of the cooling water input unit may be located above a central axis in the longitudinal direction of the container.
  • the outlet of the cooling water input unit may be located within a range of 22.5 degrees to 67.5 degrees along the circumferential direction of the tub from a radial horizontal axis passing through the center of the tub.
  • An upper end of the guide may be located at an outlet of the cooling water input unit.
  • the upper end of the guide may be spaced downward from the outlet of the cooling water input unit.
  • the upper end of the guide may be located at a position corresponding to the outlet of the cooling water inlet in the horizontal direction.
  • the laundry treatment apparatus may include a duct providing a flow path through which the air of the container circulates.
  • the laundry treatment apparatus may include an inlet positioned in front of the container.
  • the inlet may be located on the front surface of the container.
  • the inlet may be located in a gasket connecting the opening of the container and the opening of the cabinet.
  • the laundry treatment apparatus may include an outlet disposed on the rear surface of the container.
  • the outlet may be located under the rear surface of the container.
  • the duct may be disposed outside the container.
  • the duct may connect the inlet and the outlet.
  • the laundry treatment apparatus may include a fan provided inside the duct.
  • a laundry treatment apparatus capable of dispersing cooling water when inputting cooling water to remove moisture contained in wet air in a tub in a drying system of a washing and drying machine.
  • a laundry treatment apparatus in which a guide part is provided at a portion to which the cooling water is injected to branch the cooling water and thereby increase the heat transfer area.
  • Another object of the present invention is to provide a laundry treatment apparatus capable of sufficiently securing heat exchange time by dropping cooling water along a tub surface.
  • a tub body that provides a space for accommodating water and has a tub inlet on the front surface, is provided inside the tub body, accommodates clothes introduced through the tub inlet, and a through hole
  • the formed drum a rotating shaft provided to pass through the rear surface of the tub body to rotate the drum, a driving unit providing a driving force to the rotating shaft, and provided so that air inside the tub body can be discharged to the outside of the tub body an outlet, an inlet provided to supply air to the tub body, a duct provided to connect the outlet and the inlet, a fan provided in the duct, a heater provided in the duct to heat air, and to the tub body
  • a laundry treatment apparatus comprising a; a cooling water input part into which the cooling water is introduced into the tub body, and a guide part provided to branch and flow the coolant input from the coolant input part, and extending toward the center of the tub body in a radial direction; provides
  • the guide unit provides a laundry treatment apparatus provided so that the cooling water input from the cooling water input unit flows in contact with a circumferential surface of the tub body and a rear surface of the tub body.
  • the guide unit provides a laundry treatment apparatus provided to be spaced apart from the cooling water input unit by a predetermined distance.
  • the guide unit provides a laundry treatment apparatus formed in the cooling water input unit so that the cooling water is discharged and branched at the same time as the cooling water input unit.
  • the cooling water input unit provides a laundry treatment apparatus formed at 22.5 degrees to 67.5 degrees with respect to a horizontal axis and a vertical axis passing through the center of the tub body.
  • the drum is provided to be spaced apart from the tub body by a predetermined distance, and the guide part extends from the rear surface of the tub body to be smaller than the minimum distance between the drum and the rear surface of the tub when the drum vibrates under an unbalanced load. It provides a clothes processing device that can be used.
  • the present invention provides a laundry treatment apparatus formed between the horizontal axis and the vertical axis when the guide unit sets a horizontal axis and a vertical axis having a position where the cooling water input unit is formed as an origin.
  • the guide part provides a laundry treatment apparatus formed to have an angle of 30 to 60 degrees with respect to the horizontal axis or the vertical axis.
  • the guide unit provides a laundry treatment apparatus formed at an angle of 45 degrees with respect to the horizontal axis and the vertical axis.
  • the guide unit provides a laundry treatment apparatus having a length of 1/2 or less of a radius of the tub body.
  • a plurality of the guide units are provided to be spaced apart from each other.
  • the n+1-th closest guide part to the circumferential surface of the tub body is 3 to 5 times longer than the n-th closest guide part (n is a natural number greater than or equal to 1).
  • a laundry treatment apparatus in which the number of wires flowing into the cooling water input unit is n+1 when n guide units are provided.
  • cooling water flow rate flowing in each of the cooling water streamlines provides the laundry treatment apparatus.
  • one of the cooling water streamlines branched by the guide unit first adjacent to the tub body among the plurality of cooling water streamlines branched by the guide unit descends along the circumferential surface of the tub body, and the other is connected to the tub body and the tub body.
  • a laundry treatment apparatus that moves toward the adjacent guide unit.
  • a guide may be provided to branch the cooling water supplied for condensation.
  • the length of the guide, the angle of the guide, and/or the flow lines of the coolant branched through the plurality of guides spaced apart may be guided so that they do not merge.
  • a plurality of branched cooling water streamlines flowing along the rear surface of the tub through a gap between the plurality of guides may have similar flow rates to each other.
  • the required energy and drying time used for drying can be reduced through the improvement of the condensing performance.
  • the amount of heat of condensation increases, the amount of moisture condensed in the tub is increased with a smaller amount than before, thereby shortening the drying time and increasing the drying efficiency.
  • FIG. 1 is a perspective view of a laundry treatment apparatus according to an embodiment
  • FIG. 2 is a cross-sectional view of the laundry treatment apparatus according to the present embodiment
  • FIG. 3 is a view showing a tub according to the present embodiment
  • FIG. 5 is a view briefly showing a coolant input unit and a guide according to the present embodiment
  • FIG. 6 is a view showing a guide according to another embodiment
  • FIG. 7 is a view showing a guide according to another embodiment
  • FIG. 8 is a view schematically showing the flow of cooling water
  • module and “part” for the components used in the following description are given or mixed in consideration of only the ease of writing the specification, and do not have a meaning or role distinct from each other by themselves.
  • FIG. 1 is a perspective view of a clothes treatment apparatus according to an exemplary embodiment of the present disclosure
  • FIG. 2 is a cross-sectional view of the laundry treatment apparatus according to an exemplary embodiment of the present disclosure.
  • the laundry treatment apparatus may be a washing machine, a dryer, a washing machine combined with drying, or an apparatus for refreshing clothes.
  • the laundry treatment apparatus includes a drum 3 and a heater for increasing the temperature inside the drum 3 .
  • the heater may include a drying heater 714 disposed inside the duct 71 to heat the air inside the duct 71 .
  • the heater may be an induction heater that is spaced apart from the drum 3 and heats the drum 3 through a magnetic field generated by applying a current to the coil.
  • the laundry treatment apparatus may include a container 2 in which the drum 3 is disposed.
  • the container 2 may include a tub that provides a space for receiving water and drums.
  • the container 2 may be the tub.
  • the laundry treatment apparatus of the present disclosure is not limited to a washing machine combined with drying.
  • the container 2 is also referred to as a tub 2 .
  • a laundry treatment apparatus includes a cabinet 1 forming an exterior, a tub 2 provided in the cabinet, and an object (eg, an object (eg, It may include a drum 3 in which laundry objects, drying objects, or refresh objects) are accommodated.
  • an object eg, an object (eg, It may include a drum 3 in which laundry objects, drying objects, or refresh objects) are accommodated.
  • an object eg, an object (eg, It may include a drum 3 in which laundry objects, drying objects, or refresh objects
  • clothes eg, an object (eg, It may include a drum 3 in which laundry objects, drying objects, or refresh objects
  • a laundry object when clothes are washed with washing water, it can be called a laundry object, when wet clothes are dried using heat, it can be called a drying target, and dry clothes can be washed with hot air, cold air, or steam. In the case of refreshing, this may be referred to as a refresh object. Accordingly, it is possible to wash, dry, or refresh clothes through the
  • the cabinet 1 is provided in front of the cabinet 1 and may include a cabinet opening through which an object enters and exits, and the cabinet 1 has a door 12 rotatably mounted on the cabinet to open and close the inlet. ) may be provided.
  • the door 12 may include an annular door frame 121 and a see-through window 122 provided in a central portion of the door frame.
  • a direction toward the door 12 with respect to the center of the cabinet 1 may be defined as a front. .
  • a direction diametrically opposite to the direction toward the door 12 may be defined as the rear, and the right and left directions may be naturally defined depending on the front-rear direction defined above.
  • the tub (2) is provided in a cylindrical shape with a longitudinal axis parallel to the lower surface of the cabinet or maintaining 0 to 30° to form a space in which water can be stored, and a tub opening 21 at the front to communicate with the inlet. to provide
  • the tub 2 may be fixed to the lower surface (bottom surface) of the cabinet 1 by a lower support part 13 including a support bar 13a and a damper 13b connected to the support bar 13a. , Accordingly, vibration generated in the tub 2 by the rotation of the drum 3 may be attenuated.
  • an elastic support unit 14 fixed to the upper surface of the cabinet 1 may be connected to the upper surface of the tub 2 , which also prevents vibration generated in the tub 2 and transmitted to the cabinet 1 . It can play a role in dampening.
  • the drum 3 is provided in a cylindrical shape whose longitudinal axis is parallel to the lower surface of the cabinet (bottom surface) or maintains 0 to 30° to accommodate an object, and a drum opening communicating with the tub opening 21 at the front ( 31) may be provided.
  • An angle between the central axis of the tub 2 and the drum 3 with respect to the bottom surface may be the same.
  • the drum 3 may include a plurality of through-holes 33 provided to penetrate the outer peripheral surface. Through the through-hole 33 , air and washing water may be introduced between the inside of the drum 3 and the inside of the tub 4 .
  • a lifter 35 may be further provided on the inner circumferential surface of the drum 3 to stir the object when the drum rotates, and the drum 3 is rotated by the driving unit 6 provided at the rear of the tub 2 . can do.
  • the driving unit 6 includes a stator 61 fixed to the rear surface of the tub 2, a rotor 63 rotating by an electromagnetic action with the stator, and a drum 3 and a rotor ( 63) may be provided as a rotating shaft 65 for connecting them.
  • the stator 61 may be fixed to the rear surface of the bearing housing 66 provided on the rear surface of the tub 2, and the rotor 63 may include a rotor magnet 632 provided on the radially outer side of the stator and It may be formed of a rotor housing 631 connecting the rotor magnet 632 and the rotation shaft 65 .
  • a plurality of bearings 68 for supporting the rotation shaft 65 may be provided inside the bearing housing 66 .
  • a spider 67 for easily transmitting the rotational force of the rotor 63 to the drum 3 may be provided on the rear surface of the drum 3 , and the spider 67 has the rotational power of the rotor 63 .
  • the rotation shaft 65 that transmits may be fixed.
  • a gasket 4 may be provided between the inlet of the cabinet 1 and the tub opening 21 , and the gasket 4 may prevent water in the tub 2 from leaking into the cabinet 1 . It serves to prevent the problem that the vibration of the tub (2) is transmitted to the cabinet (1).
  • the laundry treatment apparatus may further include a drainage unit 52 for discharging the water inside the tub 2 to the outside of the cabinet 1 .
  • the drain unit 52 is a drain for generating a pressure difference inside the drain pipe 522 so as to be drained through the drain pipe 522 and the drain pipe 522 forming a drain passage through which the water inside the tub 2 moves. It may be formed of a pump 521 .
  • the drain pipe 522 includes a first drain pipe 522a connecting the lower surface of the tub 2 and the drain pump 521 and one end of the drain pipe 521 connected to the drain pump 521 in the cabinet (1).
  • a second drain pipe 522a forming a flow path through which water moves to the outside may be included.
  • the laundry treatment apparatus may have a drying function.
  • the laundry treatment apparatus according to an embodiment of the present disclosure may be referred to as a drying and washing machine.
  • a fan 713 for blowing air into the tub 2 and a drum 3 and/or a heating means for heating the air may be provided.
  • the laundry treatment apparatus may include an induction module (not shown) for inductively heating the drum 3 .
  • the heating means may include an induction module.
  • the induction module may be mounted on the outer peripheral surface of the tub (2).
  • the induction module may heat the drum 3 through a magnetic field generated when a current is applied to a coil in which a wire is wound. Accordingly, the heating unit may be referred to as an induction heater.
  • the induction heater When the induction heater is driven, the outer peripheral surface of the drum facing the induction heater may be heated to a very high temperature within a very short time.
  • a plurality of temperature sensors 95 and 96 may be provided in the tub 2 .
  • the temperature sensors may measure the temperature inside the tub (2).
  • the upper temperature sensor 95 is positioned above the tub 2 to measure the temperature of the heated air.
  • the lower temperature sensor 96 may be located under the tub 2 to sense the temperature of wash water or wet air. That is, the plurality of temperature sensors may detect whether the air is heated to a target temperature by the induction module.
  • the driving of the induction module may be controlled by a controller, which will be described later, based on the temperature measured by the temperature sensors.
  • the heating means may include a heater 714 for heating the air.
  • the fan 713 and the heater 714 may be provided in the duct 71 .
  • the heater 714 may be referred to as a drying heater 714 .
  • the drying function may be performed even if the fan 713 , the drying heater 714 and the duct 71 are not additionally provided. That is, cooling of the air is performed on the inner surface of the tub, and moisture can be condensed and discharged.
  • cooling water may be supplied into the tub in order to perform moisture condensation more effectively to improve drying efficiency. It is preferable that the surface area where the coolant and the tub meet, that is, the surface area that comes into contact with the coolant and the air, is wider.
  • the cooling water may be supplied while being widely spread from the rear surface or one side or both sides of the tub. Through this cooling water supply, the cooling water flows along the inner surface of the tub to prevent it from flowing into the drum. Therefore, it is possible to omit the duct or fan configuration for drying, so that it can be manufactured very easily.
  • FIG 3 is a view showing a tub according to the present embodiment.
  • the tub 2 may include a tub body 23 , a tub inlet 21 , and a tub rear surface 22 .
  • the tub 2 may be formed with an open front surface so that the tub inlet 21 , which is a portion connected to the gasket 4 , is formed.
  • the rear surface 22 of the tub 2 may be formed at the rearmost end of the tub 2 when the portion in which the tub inlet 21 is formed is defined in the forward direction with respect to the longitudinal direction of the cabinet 1 .
  • the rear surface 22 of the tub 2 may be provided to form a different surface from the tub inlet 21 .
  • a through hole may be formed in the radial center of the rear surface 22 of the tub 2 .
  • the radial center of the rear surface 22 is penetrated in order to allow the rotation shaft 65 for rotating the drum 3 described above to pass therethrough.
  • the tub 2 may include a tub body 23 extending from the outer edge of the rear surface 22 of the tub 2 toward the tub inlet 21 .
  • the tub body 23 may provide a space for accommodating the rear surface 22 of the tub 2 and water.
  • the tub body 23 may determine the actual capacity of the tub 2 .
  • the tub body 23 and the rear surface 22 of the tub 2 may be integrally formed. That is, the tub 2 may have a cylindrical shape with an open front.
  • Various configurations for driving the drum 3 may be connected to the rotating shaft 65 as described above.
  • a cooling water input unit 24 may be provided in the tub body 23 .
  • the cooling water input unit 24 may be disposed on the rear side of the tub body 23 .
  • the cooling water input unit 24 provides an outlet of the cooling water inflow path 90 .
  • the cooling water input unit 24 may be provided in the tub body 23 . Cooling water may be introduced into the space formed by the tub body 23 along the cooling water input unit 24 provided in the tub body 23 .
  • the cooling water input unit 24 may be disposed in a boundary region between the tub body 23 and the rear surface 22 of the tub 2 .
  • the boundary area refers to an area through which the cooling water input through the cooling water input unit 24 can flow while being guided by the rear surface 22 of the tub 2 .
  • the cooling water input unit 24 may be formed at the rear end of the tub body 23 .
  • the cooling water input unit 24 is formed at a portion where the tub body 23 and the rear surface 22 of the tub 2 are in contact, or is formed at a portion of the tub body 23 where the rear surface 22 of the tub 2 is in contact with a predetermined portion. It may be formed to be spaced apart from each other.
  • the boundary area means a rear area of the tub body 23 , and may mean an area including a position where the coolant can be guided by the rear surface 22 of the tub 2 .
  • the separation distance may not be large.
  • the cooling water input unit 24 may be provided to penetrate the outer peripheral surface of the tub body 23 . That is, it is preferable that the tub body 23 has a hole through which the cooling water can be guided by the cooling water input unit 24 .
  • the cooling water input unit 24 may be provided on the upper side of the tub body 23 .
  • the tub body 23 is provided to form the shape of the tub 2 together with the rear surface 22 of the tub 2 .
  • the tub body 23 may have a cylindrical shape.
  • the cylindrical shape may mean not only a perfect cylindrical shape, but also a case in which the overall shape is a cylindrical shape even if a portion is not a circular shape as shown in FIG. 3 .
  • the cooling water input unit 24 may be formed in a position adjacent to the front surface of the tub body 23 , that is, a portion where the tub inlet 21 is formed or the rear surface 22 of the tub 2 among the tub body 23 . have.
  • the cooling water input unit 24 in order to properly distribute the cooling water that has passed through the cooling water input unit 24 , it is preferably formed at the rear side of the tub body 23 .
  • the cooling water input unit 24 may be installed at a position having an angle of 22.5 to 67.5 degrees upward with respect to a horizontal axis passing through the radial center.
  • the cooling water input unit 24 When the cooling water input unit 24 is provided on the lower side with respect to the horizontal axis passing through the radial center of the space formed by the tub body 23, the cooling water effectively exchanges time compared to the size formed by the tub body 23. can be difficult to obtain.
  • the cooling water input unit 24 is preferably provided above the horizontal axis passing through the radial center of the space formed by the tub body 23 .
  • the cooling water input unit 24 is preferably provided to have a predetermined angle with respect to a horizontal axis passing through the radial center of the space formed by the tub body 23 among the tub body 23 (hereinafter referred to as the tub body horizontal axis). do.
  • the cooling water input unit 24 When the cooling water input unit 24 is provided so as to be perpendicular to the horizontal axis of the tub body, it does not descend along the rear surface 22 of the tub 2 for the longest time. When the tub body is provided to be perpendicular to the horizontal axis, the coolant input unit 24 is provided at the uppermost side of the tub body 23 .
  • the cooling water input unit 24 to which the cooling water is injected is provided at the uppermost side of the tub body 23, the cooling water may be fed in the gravity direction. In this case, the coolant may drop rapidly. Accordingly, the time for heat exchange between the cooling water and the air may be reduced.
  • the cooling water input unit 24 is provided to have a predetermined angle, preferably an angle of 22.5 degrees to 67.5 degrees with respect to the horizontal axis of the tub body.
  • the cooling water input unit 24 when the cooling water input unit 24 is provided at an angle of less than 22.5 degrees with respect to the horizontal axis of the tub body, the length of the streamline may be shortened and separation may be difficult.
  • the cooling water input unit 24 is provided at an angle of more than 67.5 degrees with respect to the horizontal axis of the tub body, the streamline is not separated and may flow along the guide 25 to be described later.
  • the laundry treatment apparatus may further include a guide 25 provided to guide the coolant input from the coolant input unit 24 .
  • the guide 25 may be positioned adjacent to the coolant input unit 24 .
  • a plurality of guides 25 may be provided.
  • the guide 25 is divided into a guide 25a closest to the coolant input part 24 and a guide 25b adjacent thereto, but is not limited thereto.
  • the number of guides 25 may be changed according to the size of the space formed by the tub body 23 and further the size or capacity of the laundry treatment apparatus.
  • the guide 25 may be provided at a position corresponding to the position of the cooling water input unit 24 .
  • FIG 4 is a partially enlarged view of the tub 2 according to the present embodiment.
  • the position at which the cooling water input unit 24 is formed may be provided to have a predetermined angle ⁇ with respect to the horizontal axis of the tub body.
  • the predetermined angle may be 22.5 degrees to 67.5 degrees.
  • the guide 25 may be positioned adjacent to the coolant input part 24 so that the coolant discharged from the coolant input part 24 can be guided.
  • the height at which the guide 25 is installed is adjacent to the coolant input unit 24 , and may be installed at a maximum height at which the drum 3 may not contact when the laundry treatment apparatus spins under an unbalanced load.
  • the drum 3 rotates at a high RPM during spin-drying, and an unbalanced load may occur due to various factors such as a phenomenon in which clothes are drawn to the inside of the drum and vibration, and the like.
  • the reason that the guide 25 is provided is to effectively perform heat exchange using the attractive force of the rear surface 22 of the tub 2 and the inner peripheral surface of the tub body 23 and the coolant without scattering the coolant toward the drum 3 .
  • the guide 25 may be provided in plurality as described above.
  • the total length L of the guide 25 including the spacing between the plurality of guides 25a and 25b may be less than 1/2 of the radius length of the tub body 23 .
  • the coolant stream branched by the guide 25 flows along the circumferential surface (inner peripheral surface) of the tub body 23 and the rear surface 22 of the tub 2, and then merges again. .
  • the guide 25 is provided to be less than 1/2 of the radius length of the tub body 23 .
  • the guide 25 has a predetermined angle ⁇ between the horizontal axis A1 and the vertical axis A2 based on the horizontal axis A1 and the vertical axis A2 having the position where the coolant input unit 24 is formed as the origin. may be provided.
  • the guide 25 may be provided to have an angle of 30 to 60 degrees with respect to the horizontal axis A1 or the vertical axis A2 at the position where the cooling water input unit 24 is formed. Preferably, it may be provided to have an angle of 45 degrees with respect to the horizontal axis A1 or the vertical axis A2.
  • the angle ⁇ between the vertical axis A2 and the guide 25 is less than 30 degrees, a case in which the streamlines distributed by the guide 25 are combined may occur.
  • the vibration of the cooling water streamline may increase, which may cause a problem in which the condensation surface area is reduced.
  • the coolant does not move along the guide 25 , but passes over the guide 25 and flows downward. That is, the coolant may not be properly distributed.
  • the guide 25 may extend in a direction having a predetermined angle ⁇ with the vertical axis A2.
  • the guide 25 may be positioned to branch the coolant discharged from the coolant input unit 24 . When the coolant meets the top of the guide 25 , some flows down the guide 25 and some flows along the guide 25 .
  • the cooling water branched by the upper end of the guide 25 and flowing downward may flow along the circumferential surface (inner circumferential surface) of the tub body 23 . If the cooling water does not flow along the inner surface or the rear surface 22 of the tub body 23 and directly falls, it may fall rapidly due to the effect of gravity. The shorter the fall time, the less time it takes to effectively heat exchange.
  • the guide 25 is preferably provided to have a predetermined inclination ⁇ in order to effectively heat exchange while the cooling water flows along the circumferential surface of the tub body 23 and the rear surface 22 of the tub 2 .
  • FIG. 5 is a schematic diagram illustrating a coolant input unit and a guide according to the present embodiment.
  • 5(a) is a view showing the connection relationship between the cooling water input unit and the guide according to the present embodiment
  • FIG. 5(b) is a view showing the cooling water outlet part of the cooling water input unit according to the present embodiment.
  • the guide 25 may be a single guide 25 .
  • the coolant may form two streamlines.
  • the guide 25 may be provided to overlap the outlet of the cooling water input unit 24 .
  • the guide 25 may branch the cooling water by the guide 25 as the cooling water comes out of the outlet of the cooling water input unit 24 .
  • the cooling water 24a branched to the left of the guide 25 may be guided to the inner circumferential surface of the tub body 23 and descend, and the guide 25 ), the cooling water 24b branched to the right is guided along the longitudinal direction of the guide 25 and guided to descend into the tub 2 along the rear surface 22 of the tub 2 .
  • the guide 25 When the guide 25 is positioned in contact with the coolant input part 24 , the coolant discharged from the coolant input part 24 enters the tub body 23 and is branched at the same time. Accordingly, it is possible to easily induce the wire separation of the cooling water.
  • FIG. 6 is a view showing a guide according to another embodiment.
  • the guide 25 may be spaced apart from the outlet of the cooling water input unit 24 .
  • the mold design is easy and the defect rate during injection can be reduced.
  • the guide part 25 may be provided to be spaced apart from the coolant input part 24 .
  • the distance at which the guide 25 is separated from the cooling water input unit 24 may be the minimum distance within a range in which the above problems can be solved.
  • the guide 25 may be provided to be in contact with the cooling water input unit 24 .
  • the guide 25 may be spaced apart from the outlet of the cooling water input unit 24 .
  • FIG. 7 is a view showing a guide according to another embodiment
  • FIG. 8 is a view schematically showing a flow of cooling water.
  • a plurality of guides 25 may be provided. Although the guides 25 are illustrated as being spaced apart from the coolant input unit 24 in FIG. 7 , the present invention is not limited thereto.
  • the coolant input unit 24 and the guide 25 may be provided in contact with each other.
  • a plurality of branched cooling water streams may be provided.
  • the guide 25 is a first guide 25a adjacent to the cooling water input unit 24 and a second guide spaced apart from the first guide 25a by a predetermined distance and extending in the same longitudinal direction as the first guide 25a. (25b) may be provided.
  • the coolant input by the coolant input unit 24 may descend into the inner space of the tub 2 along the input direction. At this time, the cooling water may be branched while meeting near the vertex of the first guide 25a.
  • the shape of the guide part 25 is not limited, and it is sufficient if the cooling water streamline is separated.
  • the coolant can be branched to the left and right sides of the guide portion 25 .
  • the cooling water stream branched by the first guide 25a and branched to the left in FIG. 7 may descend along the circumferential surface of the tub body 23 to perform heat exchange.
  • the guide parts 25 extend in a right downward direction in FIG. 7 , if the position of the cooling water input unit 24 is changed, they may also extend in a left downward direction. However, for a clear understanding of the disclosure, in the present specification, description will be made based on the bar shown in FIG. 7 .
  • the coolant that is branched by the first guide 25a and moves toward the second guide 25b may be branched once again when it moves to the second guide 25b. As the coolant flows into the space in which the first guide 25a and the second guide 25b are spaced apart, the coolant may slightly descend to the lower side of the tub 2 .
  • the cooling water flows to the upper surface of the second guide 25b, but a part of the coolant may be branched to the left side of the second guide 25b and descend into the tub body 23. Specifically, the branched cooling water descends along the rear surface 22 of the tub 2 and can exchange heat with the space within the tub 2 .
  • the unbranched cooling water flows to the upper surface of the second guide 25b and may descend along the rear surface 22 of the tub 2 at the end of the second guide 25b.
  • the cooling water streamline is branched at the front end of the first guide 25a as shown in FIG. 7 , and the cooling water streamline is branched at the front end and rear end of the second guide 25b. have.
  • the flow rate of each cooling water streamline may be determined as a value obtained by dividing the total flow rate of the cooling water by the number of streamlines. That is, if the same flow rate of cooling water flows in each stream to make the heat transfer amount in each stream the same or similar, heat exchange can be effectively performed.
  • the number of guide units 25 may vary according to various circumstances. For example, in the case of a laundry treatment apparatus generally used at home, it may be sufficient if two or three guide units 25 are provided. Of course, the guide unit 25 may be provided.
  • the n+1-th closest guide part 25 to the circumferential surface of the tub body 23 is closer than the n-th closest guide part 25 to the circumferential surface of the tub body 23 . It may be provided 3 to 5 times longer.
  • the movement of the streamline may increase due to an increase in lateral speed. If the length of the guide part 25 is sufficiently long, there may be no major problem, but in some cases, the cooling water streamlines separated by the guide unit 25 may have a large movement so that the cooling water streamlines may be merged.
  • FIG. 8 is a view showing when cooling water is actually flowing in the tub body 23 .
  • FIG. 8(a) is a view in which a guide part is not provided
  • FIG. 8(b) is a view showing that two guide parts are provided to form three coolant streamlines.
  • the cooling water stream first branched by the first guide 25a descends along the inner circumferential surface of the tub body 23 .
  • the second coolant stream branched by the second guide 25b is separated from the first coolant stream by a predetermined distance from the tub (2). descends downward along the rear surface 22 of the
  • the cooling water moving along the upper surface of the second guide 25b forms a third cooling water streamline at the end of the second guide 25b and descends to the lower side of the tub 2 .
  • the first cooling water stream, the second cooling water stream, and the third cooling water stream descend to the lower side of the tub and do not merge with each other. Therefore, heat exchange may be performed in each of the three cooling water streamlines.
  • configuration A described in a specific embodiment and/or drawing may be combined with configuration B described in another embodiment and/or drawing. That is, even if the combination between the configurations is not directly described, it means that the combination is possible except when it is explained that the combination is impossible (For example, a configuration “A” described in one embodiment of the disclosure and the drawings). and a configuration "B" described in another embodiment of the disclosure and the drawings may be combined with each other. Namely, although the combination between the configurations is not directly described, the combination is possible except in the case where it is described that the combination is impossible).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

La présente invention concerne un appareil de traitement de vêtements. L'appareil de traitement de vêtements de la présente invention peut comprendre : une armoire ; un contenant disposé à l'intérieur de l'armoire, le contenant comprenant une surface avant ayant une partie d'ouverture, un corps s'étendant à partir de la surface avant, et une surface arrière reliée à l'extrémité arrière du corps ; un tambour disposé à l'intérieur du contenant ; un dispositif de chauffage conçu pour élever la température à l'intérieur du contenant ; une partie d'entrée d'eau de refroidissement qui est reliée au corps du contenant et adjacente à la surface arrière du contenant, et est conçue pour introduire de l'eau dans le contenant ; et un guide faisant saillie à partir de la surface arrière du contenant vers l'intérieur du contenant, et s'étendant le long d'une direction allant du côté inférieur de la partie d'entrée d'eau de refroidissement vers le centre du contenant.
PCT/KR2021/003388 2020-03-18 2021-03-18 Appareil de traitement de vêtements WO2021187929A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2020-0033144 2020-03-18
KR20200033144 2020-03-18
KR10-2021-0035538 2021-03-18
KR1020210035538A KR20210117221A (ko) 2020-03-18 2021-03-18 의류처리장치

Publications (1)

Publication Number Publication Date
WO2021187929A1 true WO2021187929A1 (fr) 2021-09-23

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PCT/KR2021/003388 WO2021187929A1 (fr) 2020-03-18 2021-03-18 Appareil de traitement de vêtements

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WO (1) WO2021187929A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114775246A (zh) * 2022-04-29 2022-07-22 珠海格力电器股份有限公司 衣物处理装置冷凝组件和洗干机

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KR20110125390A (ko) * 2010-05-13 2011-11-21 엘지전자 주식회사 세탁장치
KR20180037882A (ko) * 2016-10-05 2018-04-13 삼성전자주식회사 세탁건조기
KR20190010178A (ko) * 2017-07-21 2019-01-30 주식회사 대우전자 건조 효율이 향상된 드럼 세탁기
KR20190016860A (ko) * 2017-08-09 2019-02-19 엘지전자 주식회사 의류처리장치
KR20190101192A (ko) * 2018-02-22 2019-08-30 엘지전자 주식회사 세탁물 처리장치

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Publication number Priority date Publication date Assignee Title
KR20110125390A (ko) * 2010-05-13 2011-11-21 엘지전자 주식회사 세탁장치
KR20180037882A (ko) * 2016-10-05 2018-04-13 삼성전자주식회사 세탁건조기
KR20190010178A (ko) * 2017-07-21 2019-01-30 주식회사 대우전자 건조 효율이 향상된 드럼 세탁기
KR20190016860A (ko) * 2017-08-09 2019-02-19 엘지전자 주식회사 의류처리장치
KR20190101192A (ko) * 2018-02-22 2019-08-30 엘지전자 주식회사 세탁물 처리장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114775246A (zh) * 2022-04-29 2022-07-22 珠海格力电器股份有限公司 衣物处理装置冷凝组件和洗干机
CN114775246B (zh) * 2022-04-29 2023-12-29 珠海格力电器股份有限公司 衣物处理装置冷凝组件和洗干机

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