EP4014785A1 - Appareil domestique comprenant un sèche-cheveux - Google Patents

Appareil domestique comprenant un sèche-cheveux Download PDF

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Publication number
EP4014785A1
EP4014785A1 EP22151274.2A EP22151274A EP4014785A1 EP 4014785 A1 EP4014785 A1 EP 4014785A1 EP 22151274 A EP22151274 A EP 22151274A EP 4014785 A1 EP4014785 A1 EP 4014785A1
Authority
EP
European Patent Office
Prior art keywords
receptacle
grip
dryer
projection
home appliance
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
EP22151274.2A
Other languages
German (de)
English (en)
Inventor
Hyunsun Yoo
Jaehung Chun
Yousook Eun
Joogyeom Kim
Sungkyung Kim
Myongsun Kim
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020190017596A external-priority patent/KR20200033097A/ko
Priority claimed from KR1020190087781A external-priority patent/KR20200033155A/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP4014785A1 publication Critical patent/EP4014785A1/fr
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/48—Drying by means of hot air
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
    • A45D2020/126—Stands therefor
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D20/00—Hair drying devices; Accessories therefor
    • A45D20/04—Hot-air producers
    • A45D20/08—Hot-air producers heated electrically
    • A45D20/10—Hand-held drying devices, e.g. air douches
    • A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
    • A45D2020/126—Stands therefor
    • A45D2020/128—Stands therefor involving features of the hand-held hair dryer

Definitions

  • the present disclosure relates to a home appliance including a dryer for discharging drying air and a stand in which the dryer is mounted. More particularly, the present disclosure relates to a home appliance including a dryer capable of positioning the dryer at a predetermined position on a stand when the dryer is mounted in the stand, and preventing the dryer from being separated from the stand unlike a user's intention.
  • a user When a dryer is used for drying a human body, a user generally holds the dryer and performs drying while moving the dryer toward an object to be dried.
  • US 2010/0307019 A1 discloses a structure that tilts a dryer mounted in a stand, but because the dryer is integrally provided in the stand, the user had a difficulty in directly carrying and holding the dryer and drying with the dryer.
  • KR 20150031643 A and KR 20180043526 A disclose a stand in which a dryer is detachably mounted and a height and angle thereof may be adjusted.
  • a configuration for positioning the dryer at a predetermined position on the stand and a structure for preventing the dryer from being separated from the stand when adjusting a height and/or an angle of the stand have not been proposed.
  • KR 101383330 B1 discloses a structure for adjusting not only a height of a stand in which a dryer is mounted but also a rotation and an angle of the stand, but a configuration has not been proposed in which the dryer is prevented from being separated from the stand when a posture of the stand is changed.
  • a first problem to be solved by the present disclosure is to provide a home appliance including a dryer capable of drying an object to be dried without holding of the dryer by a user.
  • a second problem to be solved by the present disclosure is to provide a home appliance including a dryer in which the dryer is positioned at a predetermined position on a stand when the dryer is mounted in the stand.
  • a third problem to be solved by the present disclosure is to provide a home appliance including a dryer capable of preventing a dryer mounted in a stand from being unintentionally separated from the stand.
  • a home appliance includes a dryer for discharging air for drying and having a grip formed at one side to be held by a user; and a stand having a receptacle in which the grip is mounted. Therefore, a user can dry an object to be dried without holding the dryer.
  • the dryer and the stand each include a positioning unit disposed at each of the grip and the receptacle and for enabling the grip to position at a predetermined position (hereinafter, a right position) on the receptacle when the grip is mounted in the receptacle.
  • a magnetic force acts between the positioning units of each of the dryer and the stand, an interference force acts between the positioning units which are in contact with and coupled to each other, or while a magnetic force acts between the positioning units, an interference force also acts between the positioning units which are in contact with and coupled to each other and thus the grip may be positioned at a right position. That is, a mounting position to the right position of the grip is guided by the positioning unit, and the grip is prevented from being separated from the right position.
  • the positioning units of each of the dryer and the stand may be disposed to face each other.
  • any one of the positioning units may include a magnet and the other one thereof may include a magnet and/or a magnetic substance that acts attraction with the magnet.
  • any one of the positioning units may include a protruding portion protruded outward and the other one thereof may include an insertion portion into which the protruding portion is inserted.
  • any one of the positioning units may include a protruding portion protruded outward and the other one thereof may include an insertion portion into which the protruding portion is inserted.
  • the means for solving problems that are not described above may be sufficiently derived from a description of an embodiment of the present disclosure.
  • the present disclosure may be described as a three-dimensional coordinate system named as front, rear, upper, lower, left, and right, respectively, illustrated in FIG. 1 .
  • the present disclosure may be described on the basis of a spatial orthogonal coordinate system by X-axis, Y-axis, and Z-axis orthogonal to each other illustrated in FIG. 7 and the like.
  • the X-axis, the Y-axis, and the Z-axis are defined with a vertical direction as a Z-axis direction and a front-rear direction as an X-axis direction.
  • Each axis direction (X axis direction, Y axis direction, Z axis direction) means both directions in which each axis extends.
  • a '+' sign (+X axis direction, +Y axis direction, +Z axis direction) in front of each axis direction means a positive direction, which is one of both directions in which each axis extends.
  • a '-' sign (-X axis direction, -Y axis direction, -Z axis direction) in front of each axis direction means a negative direction, which is the other one of both directions in which each axis extends.
  • FIGS. 1 to 9 a home appliance including a dryer according to an embodiment of the present disclosure will be described with reference to FIGS. 1 to 9 .
  • FIG. 1 is a perspective view illustrating a home appliance including a dryer according to an embodiment of the present disclosure
  • FIG. 2 is a perspective view illustrating the dryer of FIG. 1
  • FIG. 3 is a longitudinal cross-sectional view illustrating the dryer of FIG. 1
  • FIGS. 4A to 4D are exploded perspective views illustrating the dryer of FIG. 1
  • FIG. 5 is a partially cut-away perspective view illustrating a casing of the dryer of FIG. 1
  • FIG. 6 is an exploded perspective view illustrating an internal configuration of the dryer of FIG. 1 .
  • FIG. 7 is a diagram illustrating a using state of a home appliance including a dryer according to an embodiment of the present disclosure
  • FIG. 8 is a longitudinal cross-sectional view illustrating the stand of FIG. 1
  • FIG. 9 is a cross-sectional view illustrating the upper side of the stand of FIG. 1 .
  • a home appliance (hereinafter, simply referred to as a 'home appliance') 1 including a dryer according to an embodiment of the present disclosure includes a dryer 100 and a stand 200.
  • the dryer 100 is a device for drying an object to be dried such as a person or a companion animal by using the drying air discharged through a discharge port 174.
  • the dryer 100 has a built-in battery 80 and thus a user may carry the dryer 100 and dry the object to be dried.
  • external power for replacing the battery may be applied to the dryer 100 in a wired or wireless manner, and in this case, the user may dry the object to be dried while holding the dryer 100.
  • the dryer 100 may be detachably mounted in the stand 200 and thus the user may dry the object to be dried without holding the dryer 100. Thereby, there is an advantage that the user may dry an object to be dried without restriction of an action of holding the dryer 100.
  • Each of the dryer 100 and the stand 200 may perform various functions such as care of an object to be dried or purifying the indoor air in addition to discharge of the drying air and mounting of the dryer 100 and a configuration provided in each of the dryer 100 and the stand 200 will be simply described as follows.
  • the dryer 100 includes a hollow casing 110, a fan 150 that causes a flow of air that flows into the casing 110 to be discharged to the outside, and a heater H that heats air flowing into the casing 110.
  • the flow of air discharged to the outside of the casing 110 may be guided by a discharge tube 170.
  • the discharge tube 170 may receive power from a motor 160 to rotate along a groove 184 formed in a cylindrical guider 180.
  • a concentration wind for concentrating and discharging the drying air to a predetermined drying area may be implemented, and when the discharge tube 170 rotates, a diffusion wind for diffusing and discharging the drying air to a wider area may be implemented.
  • the dryer 100 may include a lighting device 10 that radiates light toward the front thereof and an ion generator 20 that discharges ions.
  • a lighting device 10 that radiates light toward the front thereof
  • an ion generator 20 that discharges ions.
  • ions generated in the ion generator 20 are discharged toward the front of the dryer 100 via an ion spray nozzle 21 to prevent foreign substances such as dust from being adsorbed on the object to be dried and to moisturize the skin and the hair of the object to be dried.
  • a display unit 40 for displaying information about the above-described functions, whether various functions implemented in the dryer 100 are operated and a temperature of an object to be dried and a temperature of the drying air detected by each of an external temperature sensor S1 and a discharge temperature sensor S2 may be disposed.
  • grips 120 and 130 held by the user may be coupled to the lower side of the casing 110.
  • the grips 120 and 130 may include a grip body 120 for forming a peripheral surface thereof and a grip end portion 130 coupled to a lower portion of the grip body 120 to form a lower surface thereof.
  • the grip body 120 may be formed in a cylindrical shape, and the grip end portion 130 may be formed in a hemispherical shape. That is, an outer circumference of the grips 120 and 130 and an inner circumference of a receptacle 220 may be formed in a circular shape, and in this case, an inner circumference of the receptacle 220 in which the grips 120 and 130 to be described later are mounted may also be formed in a circular shape.
  • a rechargeable battery 80 that supplies power to a fan 150, a heater H, the motor 160, the lighting device 10, the ion generator 20, and the display unit 40 may be disposed.
  • the stand 200 includes a stem 230 extended in a vertical direction or a Z-axis direction, a base 210 disposed at the lower side of the stem 230, a receptacle 220 disposed at the upper side of the stem 230 and in which the grips 120 and 130 of the dryer are detachably mounted, and a cover 240 for forming a side surface of the stand 200.
  • air in an indoor space where the stand 200 is positioned may flow into the interior of the stand 200 by fans 283 and 284 and be purified by passing through an air purifier 280.
  • the air purifier 280 may include a photocatalytic filter 281 disposed at a rear surface of the stem 230 and capable of removing smell of a companion animal or the aged person by a principle of decomposing harmful substances by a photochemical reaction and a light emitting module 282 for activating a photocatalyst.
  • the dryer may include a light care device 270 for radiating light toward the front of the stand 200.
  • the light care device 270 is disposed at the front side of the stem 230 and radiates light having a spectrum similar to natural light from an organic light emitting diode (OLED) panel to help alleviate depression symptoms of users and companion animals due to lack of going out.
  • OLED organic light emitting diode
  • the receptacle 220 is provided to vertically move, rotate in a left-right direction, and/or rotate in a front-rear direction to convert a drying air discharge direction of the dryer 100 mounted in the receptacle 220 to a vertical direction, a left-right direction, and/or a front-rear direction.
  • the receptacle 220 may receive power from an elevating motor 262 through a supporter 250 coupled thereto and a vertical rod 239 connected to the supporter 250 to be moved in a vertical direction.
  • the receptacle 220 may receive power from a rotation motor 263 through the supporter 250 to rotate in a left-right direction about a groove formed in the vertical rod 239 and a projection 251b inserted into the groove. Further, the receptacle 220 may receive power from a tilting motor 261 through tilting gear teeth 223a formed at one side to rotate (i.e., tilt) in a front-rear direction.
  • a rechargeable battery 291 for supplying power to the fans 283 and 284, the air purifier 280, the light care device 270, the elevation motor 262, the rotation motor 263, and the tilting motor 261 may be disposed.
  • the battery 291 may be charged.
  • a pair of electrode terminals E11 and E12 may be disposed at the grips 120 and 130 and a pair of electrode terminals E21 and E22 may be disposed at the receptacle 220 to correspond thereto.
  • external power may be applied to the battery 80 of the dryer through the electrode terminal to charge the battery 80.
  • reference numeral E11 and reference numeral E21 that is in contact with E11 are formed in point terminals
  • reference numeral E12 and reference numeral E22 that is in contact with E12 are formed in annular terminals and thus even if the grips 120 and 130 are rotated on the container 220, the charging may be continuously performed.
  • a structure and function of the dryer 100 and the stand 200 provided in the home appliance 1 has been simply described.
  • a movement of the receptacle 220 may be collectively referred to as a posture change of the receptacle 220
  • the grips 120 and 130 of the dryer mounted in the receptacle 220 may be separated from the receptacle 220.
  • the present disclosure has been devised to prevent the dryer 100 from being damaged or from occurring a safety hazard such as a fire because of unintentional separation of the dryer 100 from the stand 200 during a posture change of the receptacle 220.
  • FIGS. 10A to 10E are diagrams illustrating a shape in which a dryer is mounted in a stand according to an embodiment of the present disclosure
  • FIG. 11 is a diagram illustrating a shape that adjusts a polarity of each of a plurality of magnetic pixels provided in a positioning unit according to an embodiment of the present disclosure
  • FIG. 12 is a flowchart illustrating a method of adjusting a coupling force between a dryer and a stand by adjusting a polarity of each of a plurality of magnetic pixels provided in a positioning unit according to an embodiment of the present disclosure.
  • each of the dryer 100 and the stand 200 includes a positioning unit disposed in each of the grips 120 and 130 and the receptacle 220.
  • the positioning unit enables the grips 120 and 130 to be positioned at a predetermined position (hereinafter, a right position) on the receptacle 220.
  • a predetermined position hereinafter, a right position
  • positioning of the grips 120 and 130 at a right position may mean not only guiding the grips 120 and 130 to the right position, but also fixing of the grips 120 and 130 at a right position.
  • a magnetic force acts between the positioning units, the positioning units are in contact with and coupled to each other, or the positioning units are in contact with and coupled to each other with a magnetic force acting therebetween and thus the grips 120 and 130 may be positioned at a right position, and each embodiment will be described in detail as follows. In this case, in the following description of each embodiment, a description of the same configuration as the previously described configuration will be omitted.
  • a magnetic force acts between the positioning units of each of the dryer 100 and the stand 200 according to the first embodiment of the present disclosure and thus the grips 120 and 130 may be positioned at the right position.
  • Positioning units (hereinafter, first positioning units) PU1 (M11, M12) of the dryer 100 may be disposed at one side of the grips 120 and 130.
  • FIG. 10A illustrates that the first positioning unit PU1 is disposed at one side of the grip end portion 130, but it is not limited thereto and the first positioning unit PU1 may be disposed at one side of the grip body 120.
  • the first positioning unit PU1 may include a plurality of first positioning units spaced apart from each other by a predetermined distance.
  • the dryer 100 may include two positioning units M11 and M12 spaced apart by an angle of 180°.
  • Positioning units (hereinafter, second positioning units) PU2 (M21, M22) of the stand 200 may be disposed at one side of the receptacle 220 to face the first positioning unit PU1 when the grips 120 and 130 are positioned to a right position.
  • the receptacle 220 may include upper and lower tubs 221 and 222 forming a groove 220a into which the grips 120 and 130 are inserted. Further, the receptacle 220 may include a tub cover 223 that covers the outer side of the upper tub 221. In this case, when the grips 120 and 130 are mounted in the receptacle 220, an inner surface of the upper tub 221 may be in close contact with an outer side surface of the grip body 120, and an inner surface of the lower tub 222 may be in close contact with an outer side surface of the grip end portion 130.
  • FIG. 10A illustrates that the second positioning unit PU2 is disposed at one side of the lower tub 222 of the receptacle 220, but it is not limited thereto and the second positioning unit PU2 may be disposed at one side of the upper tub 221.
  • the second positioning unit PU2 may be a plurality of second positioning units spaced apart from each other by a predetermined distance.
  • the stand 200 may include two positioning units M21 and M22 spaced apart by an angle of 180°.
  • a coupling force between the grips 120 and 130 and the receptacle 220 can increase and coupling stability thereof can be improved, compared with the case where the first positioning units M11 and M12 and the second positioning units M21 and M22 are provided with a single number.
  • a magnetic force may act between the first positioning units M11 and M12 and the second positioning units M21 and M22.
  • one of the first positioning units M11 and M12and the second positioning units M21 and M22 includes a magnet, and the other one thereof may include a magnetic substance that acts attraction with the magnet.
  • each of the first positioning units M11 and M12 and the second positioning units M21 and M22 may include magnets of mutually opposite polarities.
  • the grips 120 and 130 may be positioned and fixed at the right position.
  • reference numeral M11 may move away from reference numeral M22 and approach to reference numeral M21
  • reference numeral M12 may move away from reference numeral M21 and approach to reference numeral M22 according to the above-mentioned magnetic force (attraction or repulsion). That is, the right position may be understood as a position in which reference numerals M11 and M12 face reference numerals M21 and M22, respectively and in this case, a discharge direction of the drying air from the discharge port 174 of the dryer may be directed forward or toward an +X axis direction.
  • the grips 120 and 130 may be guided to be positioned at the right position regardless of a direction in which the user mounts the grips 120 and 130 in the receptacle 220, and the grips 120 and 130 may be fixed while being positioned at the right position.
  • each of the first positioning units M11 and M12 and the second positioning units M21 and M22 may have a single number or three or more.
  • outer peripheries of the grips 120 and 130 may be formed in a circular shape in consideration of a gripping feeling of the user, and an inner circumference of the receptacle 220 may also be formed in a circular shape to correspond to a shape of the grips 120 and 130. In this case, guide or a movement of the grips 120 and 130 to the predetermined position by the positioning unit may be smoothly performed.
  • a shape of the grips 120 and 130 and the receptacle 220 of the present disclosure is not limited thereto.
  • a positioning unit (hereinafter, a first positioning unit) PU1', 121 of the dryer 100 may be disposed at one side of the grips 120 and 130.
  • FIG. 10B illustrates that the first positioning unit PU1' is disposed at one side of the grip body 120, but it is not limited thereto and the first positioning unit PU1' may be disposed at one side of the grip end portion 130.
  • FIG. 10B illustrates that the first positioning unit PU1' is provided with a single number, but the first positioning unit PU1' may include a plurality of first positioning units spaced apart from each other by a predetermined distance according to an embodiment.
  • the positioning unit PU2', p0 (hereinafter, a second positioning unit) of the stand 200 may be disposed at one side of the receptacle 220 to be in contact with the first positioning unit PU1'.
  • FIG. 10B illustrates that the second positioning unit PU2' is formed at one side of the upper tub 221 of the receptacle 220, but it is not limited thereto and the second positioning unit PU2' may be disposed at one side of the lower tub 222.
  • FIG. 10B illustrates that the second positioning unit PU2' is provided with a single number, but the second positioning units PU2'may be a plurality of second positioning units spaced apart from each other by a predetermined distance according to an embodiment.
  • first positioning unit PU1' and the second positioning unit PU2' are each provided with a single number, repair and management may be facilitated, compared with the case where a plurality of first positioning units PU1' and second positioning units PU2' are provided.
  • the first positioning unit PU1' and the second positioning unit PU2' may be in contact with and coupled to each other. For this reason, any one of the first positioning unit PU1' and the second positioning unit PU2' may include a protruding portion protruded outward, and the other one thereof may include an insertion portion into which the protruding portion is inserted. As an example, as illustrated in FIG. 10B , the first positioning unit PU1' may include a protruding portion, and the second positioning unit PU2' may include an insertion portion.
  • the protruding portion may include a protruding rib 121 extended in a direction (i.e., -Z-axis direction) (hereinafter, a first direction) in which the grips 120 and 130 are mounted in a receptacle 220.
  • the insertion portion may include an insertion groove p0 extended in the first direction and into which at least a portion of the protruding rib 121 is inserted.
  • FIG. 10B illustrates that the insertion groove p0 is recessed at one side of the upper tub 221, the insertion groove may be formed between two ribs protruded from one side of the upper tub 221 according to an embodiment.
  • the grips 120 and 130 may be mounted in the receptacle 220 only in a direction in which the protruding rib 121 is inserted into the insertion groove p0. That is, the right position may be understood as a position where the protruding rib 121 is in contact with and coupled to the insertion groove p0, and in this case, a discharge direction of the drying air from the discharge port 174 of the dryer may be directed forward or toward +X axis direction.
  • the user may guide the grips 120 and 130 to be positioned at the right position, and the grips 120 and 130 may be fixed with positioned at the right position.
  • the protruding portion and the insertion portion may be formed in a direction deviated from a discharging direction of the drying air of the dryer. That is, when the protruding portion and the insertion portion are formed at positions shifted to the right side of the front of the grips 120 and 130, if the user holds the grips 120 and 130 with a right hand, a position of the protruding portion and the insertion portion may be easily checked.
  • positioning units of each of the dryer 100 and the stand 200 according to the third embodiment of the present disclosure are in contact with and coupled to each other similar to the second embodiment and thus the grips 120 and 130 may be positioned at the right position.
  • a positioning unit hereinafter, a first positioning unit
  • a positioning unit hereinafter, a second positioning unit
  • PU1" and the second positioning unit PU2" may include a protruding portion protruded outward, and the other one thereof may include an insertion portion into which the protruding portion is inserted.
  • the first positioning unit PU1" may include the protruding portion
  • the second positioning unit PU2" may include the insertion portion.
  • the protruding portion according to the third embodiment of the present disclosure may include a projection 122 of an elastic material. Therefore, when a predetermined force is applied to the projection 122, a length and/or a shape of the projection 122 may be changed, and when a predetermined force is not applied to the projection 122, the projection 122 may be restored to an original length and/or original shape thereof.
  • the projection 122 may be made of a rubber material and vary in volume depending on an applied pressure and include a spring according to an embodiment, and a level protruded from the grips 120 and 130 may be adjusted according to an applied pressure.
  • the insertion portion may include a vertical guide path p1 and a first seating groove p2.
  • the vertical guide path p1 may be extended in a direction (i.e., -Z axis direction) (hereinafter, a first direction) in which the grips 120 and 130 are mounted in the receptacle 220.
  • the vertical guide path p1 may be recessed at one side of the upper tub 221 and be recessed by a length smaller than a level in which the projection 122 is protruded from an outer side surface of the grip body 120.
  • the vertical guide path p1 may apply a pressure to the projection 122 in a rearward direction or an -X axis direction so that the projection 122 is compressed with a predetermined ratio or more.
  • the vertical guide path p1 may guide a sliding movement of the projection 122 in a first direction.
  • the grips 120 and 130 may be mounted in the receptacle 220 only in a direction in which the projection 122 is inserted into the vertical guide path p1. That is, the right position may be understood as a position where the projection 122 is in contact with and coupled to the vertical guide path p1, and in this case, a discharge direction of the drying air from the discharge port 174 of the dryer may be directed forward or in an +X axis direction.
  • the first seating groove p2 may be connected to a lower portion of the vertical guide path p1 or one end in the -Z axis direction.
  • the first seating groove p2 may be recessed at one side of the upper tub 221 and be recessed by a length greater than a level in which the vertical guide path p1 is recessed. As a result, the first seating groove p2 may release at least some of a pressure applied to the projection 122 by the vertical guide path p1. Further, the projection 122 may be seated in the first seating groove p2, and when the projection 122 is seated in the first seating groove p2, the user may feel an operation feeling and thus the dryer is user friendly.
  • the projection 122 having passed through the vertical guide path p1 according to a predetermined force applied by the user may gradually increase in volume and be seated in the first seating groove p2 and be held with seated in the first seating groove p2.
  • the projection 122 seated in the first seating groove p2 may be held with seated in the first seating groove p2 unless a predetermined force is applied thereto.
  • the user may guide the grips 120 and 130 to be positioned at the right position, and the grips 120 and 130 may be fixed with positioned at the right position.
  • the insertion portion may further include a horizontal guide path p3 in addition to the vertical guide path p1 and the first seating groove p2 into which the projection 122 is inserted.
  • the horizontal guide path p3 may be extended from the first seating groove p2 in a rotation direction (i.e., a rotation direction about the Z axis) (hereinafter, a second direction) about the first direction.
  • a rotation direction i.e., a rotation direction about the Z axis
  • the horizontal guide path p3 may be recessed at one side of the upper tub 221 and be recessed by a length smaller than a level in which the projection 122 is protruded from an outer side surface of the grip body 120.
  • the horizontal guide path p3 may apply a pressure to the projection 122 in a radial direction of the grips 120 and 130 or in a direction on an XY plane so that the projection 122 is compressed to a predetermined ratio or more.
  • the horizontal guide path p3 may guide a sliding movement of the projection 122 in a second direction.
  • the user may rotate the grip 120 mounted in the receptacle 220 in the second direction and freely convert a discharge direction of the drying air from the discharge port 174 of the dryer to the left and right.
  • the insertion portion may further include a plurality of second seating grooves p4 in addition to the vertical guide path p1, the first seating groove p2, and the horizontal guide path p3 into which the projection 122 is inserted.
  • the plurality of second seating grooves p4 may be formed in a part of the horizontal guide path p3 and be disposed apart from each other by a predetermined distance together with the first seating groove p2.
  • the second seating groove p4 may be recessed at one side of the upper tub 221 and be recessed by a length greater than a level in which the horizontal guide path p3 is recessed. As a result, the second seating groove p4 may release at least some of a pressure applied to the projection 122 by the horizontal guide path p3. Further, the projection 122 may be seated in the second seating groove p4, and when the projection 122 is seated in each of a plurality of second seating grooves p4, the user may feel an operation feeling and thus the dryer is user friendly.
  • the projection 122 having passed through the horizontal guide path p3 according to a predetermined force applied by the user may gradually increase in volume and may be seated in the second seating groove p4 and be held with seated in the second seating groove p4.
  • the projection 122 seated in the second seating groove p4 may be held with seated in the second seating groove p4 unless a predetermined force is applied thereto.
  • the user may rotate the grip 120 mounted in the receptacle 220 in the second direction and freely convert a discharge direction of the drying air from the discharge port 174 of the dryer to the left and right, and the grip 120 may be fixed at a plurality of points to be prevented from rotating unintentionally.
  • the vertical guide path p1, the horizontal guide path p3, the first seating groove p2, and the second seating groove p4 into which the projection 122 are inserted are recessed in a protruding direction of the projection 122, and a recessed level of the first and second seating grooves p2 and p4 may be greater than that of the vertical and horizontal guide paths p1 and p3.
  • the grip 120 may be prevented from being separated from the receptacle 220 during a posture change of the receptacle 220.
  • positioning units of each of the dryer 100 and the stand 200 according to the sixth embodiment of the present disclosure may be understood as a combination example of the first and second embodiments.
  • the positioning units of each of the dryer 100 and the stand 200 according to the sixth embodiment of the present disclosure may be disposed to face each other when the grips 120 and 130 are positioned at the right position.
  • the positioning units of each of the dryer 100 and the stand 200 according to the sixth embodiment of the present disclosure may include first positioning units M11 and M12 and second positioning units M21 and M22 in which a magnetic force acts on each other in the first embodiment.
  • the first positioning units M11 and M12 and the second positioning units M21 and M22 may be magnets of mutually opposite polarities.
  • the positioning units of each of the dryer 100 and the stand 200 may include a first positioning unit 121 and a second positioning unit p0 that are in contact with and coupled to each other in the second embodiment.
  • the first positioning unit 121 may be a protruding rib 121 as a protruding portion protruding outward
  • the second positioning unit may be an insertion groove p0 as an insertion portion into which the protruding portion is inserted.
  • a coupling force between the grips 120 and 130 and the receptacle 220 can increase and coupling stability thereof can be improved, compared with each of the first and second embodiments.
  • the present disclosure may be implemented in an example in which the second embodiment is combined with the first embodiment and various examples in which the second embodiment and/or the third to fifth embodiments are combined with the first embodiment.
  • the magnet may include at least one of a permanent magnet and an electromagnet.
  • the electromagnet is a magnet that is magnetized when an electric current flows and that returns to an original state that is not magnetized when an electric current is interrupted. Therefore, when the positioning unit is provided with the electromagnet, there is an advantage that coupling and coupling strength of the grips 120 and 130 and the receptacle 220 can be easily controlled according to whether an electric current is supplied and a supply amount of an electric current.
  • the electromagnet may include a plurality of magnetic pixels capable of adjusting respective polarities according to a predetermined control signal.
  • the magnetic pixel is a pole formed in one area, and one magnetic pixel may be an N-pole or an S-pole.
  • the home appliance 1 may further include a controller for controlling a polarity of each of a plurality of magnetic pixels. That is, the controller may adjust the number of magnetic pixels of mutually opposite polarities (hereinafter, the number of opposite magnetic pixels) between positioning units of each of the dryer 100 and the stand 200.
  • the controller may be implemented using at least one of application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), processors, controllers, micro-controllers, microprocessors, and electrical units for performing other functions.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field programmable gate arrays
  • processors controllers, micro-controllers, microprocessors, and electrical units for performing other functions.
  • the controller may control to arrange N-pole magnetic pixels in a first area 1a of areas 1a and 1b in which the magnetic pixels of the first positioning units M11 and M12 are arranged.
  • the controller may control to arrange S-pole magnetic pixels in a second area 2a of areas 2a and 2b in which magnetic pixels of the second positioning units M21 and M22 are arranged.
  • a magnetic force acts between the first positioning units M11 and M12 and the second positioning units M21 and M22 and thus the grip 120 may be positioned and fixed at the right position.
  • the controller may control coupling and a coupling force of the grip 120 and the receptacle 220.
  • the controller may control the number of opposite magnetic pixels to the number of first pixels. Further, when the grip 120 is mounted in the receptacle 220, if it is determined that there is a posture change of the receptacle, the controller may control the number of opposite magnetic pixels to the number of second pixels greater than the number of first pixels.
  • a method of adjusting a coupling force between the grip 120 and the receptacle 220 by adjusting a polarity of each of the plurality of magnetic pixels as described above will be described with reference to FIG. 12 .
  • Each of steps constituting a control method to be described later may be performed through the controller.
  • step S10 of turning on the positioning unit may be executed.
  • turning-on of the positioning unit may be understood as a preparatory step of magnetically coupling the grip 120 and the receptacle 220 when the grip 120 is mounted in the receptacle 220 by supplying a predetermined current to electromagnets provided in the positioning unit.
  • step S20 of detecting a weight change of the receptacle 220 may be executed.
  • a weight of the receptacle 220 may vary depending on whether the grip 120 is mounted in the receptacle 220.
  • the home appliance 1 may have a load cell that may detect a weight change of the receptacle 220.
  • step S30 of determining whether the grip 120 is mounted in the receptacle 220 may be executed.
  • step S30 if it is determined that the grip 120 is not mounted in the receptacle 220, the process may return to step S20.
  • step S30 if it is determined that the grip 120 is mounted in the receptacle 220, step S40 of detecting a posture change of the receptacle 220 may be executed.
  • the posture change of the receptacle 220 may be detected through a separate sensor, but may be detected depending on whether a control signal instructing a posture change of the receptacle 220 has been issued as described above.
  • step S50 of determining whether there is no posture change of the receptacle 220 may be executed.
  • step S50 if it is determined that the receptacle 220 is fixed without any posture change, the number of opposite magnetic pixels may be controlled to the number of first pixels (step S51). In step S50, if it is determined that there is a posture change of the receptacle 220, the number of opposite magnetic pixels may be controlled to the number of second pixels greater than the number of the first pixels (step S52).
  • step S60 of determining whether the positioning unit is turned off may be executed.
  • turning off the positioning unit may be understood as a releasing step of releasing magnetic coupling between the receptacle 220 and the grip 120 by not supplying a predetermined current to an electromagnet provided in the positioning unit.
  • step S60 if it is determined that the positioning unit is turned off, the control method is terminated, and if it is determined that the positioning unit is not turned off, the control method may be returned to step S20.
  • a user can dry an object to be dried without holding the dryer.
  • a mounting position can be easily guided to a predetermined position (hereinafter, a right position) on a receptacle of a grip by a positioning unit. For this reason, a magnetic force can act between positioning units disposed in each of the grip and the receptacle, positioning units can be in contact with and coupled to each other, or positioning units can be in contact with and coupled to each other while a magnetic force acts therebetween.
  • the grip can be prevented from being separated from a right position by the positioning unit.
  • the positioning units of each of the dryer and the stand can be disposed to face each other when the grips are positioned at a right position by a coupling force by a physical contact or a magnetic force (attraction) acting on each other.
  • a coupling force between the grip and the receptacle can be easily adjusted.
  • the positioning unit includes an electromagnet
  • intensity of a magnetic force acting between the positioning units of each of the dryer and the stand can be adjusted.
  • a coupling force between the grip and the receptacle can be easily adjusted.
  • the positioning unit includes an electromagnet having a plurality of magnetic pixels, by adjusting a polarity of each of the plurality of magnetic pixels, an area can be adjusted in which a magnetic force acts between the positioning units of each of the dryer and the stand.
  • a coupling force between the grip and the receptacle can be easily adjusted according to presence or absence of a posture change of the receptacle.
  • the positioning unit includes an electromagnet having a plurality of magnetic pixels
  • a polarity of each of the plurality of magnetic pixels can be adjusted so that an area where a magnetic force acts between the positioning units of each of the dryer and the stand is set to be large, compared with the case where there is no posture change of the receptacle.
  • one of the positioning units of each of the dryer and the stand can include a protruding portion, and the other one thereof may include an insertion portion into which the protruding portion is inserted.
  • the protruding portion and the insertion portion included in the positioning units of each of the dryer and the stand are formed in a direction deviating from a discharge direction of the drying air, while the user holds the grip, the user can easily check a position of the protruding portion and/or the insertion portion.
  • the grip can be prevented from separating from a predetermined path on the receptacle through coupling by a physical contact of the grip and the receptacle.
  • the protruding portion may include a protruding rib extended in a direction in which the grip is mounted in the receptacle, and the insertion portion may include an inserting groove into which at least a part of the protruding rib is inserted.
  • the grip can be prevented from separating from a predetermined path or a point on the receptacle through coupling by a physical contact between the grip and the receptacle.
  • the protruding portion may include a projection of an elastic material
  • the insertion portion may include a vertical guide path for guiding a sliding movement in a direction in which the grip of the projection is mounted in the receptacle and a first seating groove on which the projection is seated.
  • the projection is seated on the first seating groove in an original state (or a state close thereto) after being slid on the vertical guide path in a compressed state and thus unless a predetermined force is applied to the projection, the grip can be fixed on the receptacle.
  • the grip rotates in a rotating direction about a direction in which the grip is mounted in the receptacle without being separated from the receptacle and thus a discharge direction of the drying air can be freely adjusted.
  • the insertion portion may include a horizontal guide path for guiding a sliding movement in a rotation direction about a direction in which the grip of the projection is mounted in the receptacle.
  • the grip rotates in a rotation direction about a direction in which the grip is mounted in the receptacle and thus a drying air discharge direction can be freely adjusted, and the grip is fixed at a plurality of points, thereby being prevented from unintentionally rotating.
  • the insertion portion may include a plurality of second seating grooves formed in a part of the horizontal guide path and in which the projection are seated.
  • the projection is seated in either a first seating groove or a plurality of second seating grooves in an original state (or a state close thereto) after being slid on the horizontal guide path in a compressed state and thus unless a predetermined force is applied to the projection, the grip can be fixed on the receptacle.
  • the invention is further defined by the following items:

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Drying Of Solid Materials (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP22151274.2A 2018-09-19 2019-09-18 Appareil domestique comprenant un sèche-cheveux Pending EP4014785A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862733478P 2018-09-19 2018-09-19
KR1020190017596A KR20200033097A (ko) 2018-09-19 2019-02-15 드라이 장치
KR1020190019327A KR20200033102A (ko) 2018-09-19 2019-02-19 드라이 장치
KR1020190087781A KR20200033155A (ko) 2018-09-19 2019-07-19 드라이어를 구비하는 홈 어플라이언스
EP19197912.9A EP3626112B1 (fr) 2018-09-19 2019-09-18 Appareil domestique comprenant un sèche-cheveux

Related Parent Applications (2)

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EP19197912.9A Division-Into EP3626112B1 (fr) 2018-09-19 2019-09-18 Appareil domestique comprenant un sèche-cheveux
EP19197912.9A Division EP3626112B1 (fr) 2018-09-19 2019-09-18 Appareil domestique comprenant un sèche-cheveux

Publications (1)

Publication Number Publication Date
EP4014785A1 true EP4014785A1 (fr) 2022-06-22

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EP22151274.2A Pending EP4014785A1 (fr) 2018-09-19 2019-09-18 Appareil domestique comprenant un sèche-cheveux

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3626112B1 (fr) * 2018-09-19 2022-04-06 LG Electronics Inc. Appareil domestique comprenant un sèche-cheveux
CN110916548A (zh) 2018-09-19 2020-03-27 Lg电子株式会社 包括干燥器的家用电器

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JPS49112755A (fr) * 1973-03-05 1974-10-28
US4910385A (en) * 1988-02-04 1990-03-20 Cherng Ferg Plastic Co., Ltd. Hair dryer with push switch and insertion holder
JPH07221A (ja) * 1993-06-17 1995-01-06 Sharp Corp スタンド型ヘアドライヤー
JPH10132192A (ja) * 1996-10-29 1998-05-22 Kyushu Hitachi Maxell Ltd ハンディ型機能器具の保持台
US20020043003A1 (en) * 1999-11-08 2002-04-18 Anthony V. Cruz Portable electric hair dryer and mount therefor
US20100307019A1 (en) 2007-11-21 2010-12-09 Etira Co., Ltd. Drying apparatus for pet
KR101383330B1 (ko) 2012-12-17 2014-04-10 광주광역시 광산구 헤어 드라이어 지지용 스탠드
KR20150031643A (ko) 2013-09-16 2015-03-25 노태완 스탠드형 헤어 드라이기
KR20180043526A (ko) 2016-10-20 2018-04-30 안덕근 헤어드라이어용 거치대
EP3626112A1 (fr) * 2018-09-19 2020-03-25 LG Electronics Inc. -1- Appareil domestique comprenant un sèche-cheveux

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Publication number Priority date Publication date Assignee Title
CH419480A (de) * 1965-01-13 1966-08-31 Solis Ag Apparatefabriken Als Handgerät ausgebildeter Haartrockner mit Ständer
US6491267B1 (en) * 2000-08-25 2002-12-10 Linda Feldman Blow dryer holder
KR20160002206U (ko) * 2014-12-17 2016-06-28 김휘욱 저열 안전 드라이어

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49112755A (fr) * 1973-03-05 1974-10-28
US4910385A (en) * 1988-02-04 1990-03-20 Cherng Ferg Plastic Co., Ltd. Hair dryer with push switch and insertion holder
JPH07221A (ja) * 1993-06-17 1995-01-06 Sharp Corp スタンド型ヘアドライヤー
JPH10132192A (ja) * 1996-10-29 1998-05-22 Kyushu Hitachi Maxell Ltd ハンディ型機能器具の保持台
US20020043003A1 (en) * 1999-11-08 2002-04-18 Anthony V. Cruz Portable electric hair dryer and mount therefor
US20100307019A1 (en) 2007-11-21 2010-12-09 Etira Co., Ltd. Drying apparatus for pet
KR101383330B1 (ko) 2012-12-17 2014-04-10 광주광역시 광산구 헤어 드라이어 지지용 스탠드
KR20150031643A (ko) 2013-09-16 2015-03-25 노태완 스탠드형 헤어 드라이기
KR20180043526A (ko) 2016-10-20 2018-04-30 안덕근 헤어드라이어용 거치대
EP3626112A1 (fr) * 2018-09-19 2020-03-25 LG Electronics Inc. -1- Appareil domestique comprenant un sèche-cheveux

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PL3626112T3 (pl) 2022-06-13
EP3626112A1 (fr) 2020-03-25

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