WO2018189930A1 - 布団乾燥機および吹出ユニット - Google Patents

布団乾燥機および吹出ユニット Download PDF

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Publication number
WO2018189930A1
WO2018189930A1 PCT/JP2017/031311 JP2017031311W WO2018189930A1 WO 2018189930 A1 WO2018189930 A1 WO 2018189930A1 JP 2017031311 W JP2017031311 W JP 2017031311W WO 2018189930 A1 WO2018189930 A1 WO 2018189930A1
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WIPO (PCT)
Prior art keywords
unit
cover
blowing unit
cylindrical handle
flow path
Prior art date
Application number
PCT/JP2017/031311
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English (en)
French (fr)
Japanese (ja)
Inventor
ゆい 公文
大塚　雅生
Original Assignee
シャープ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to JP2019512179A priority Critical patent/JP6916868B2/ja
Priority to CN201780089202.XA priority patent/CN110475926B/zh
Publication of WO2018189930A1 publication Critical patent/WO2018189930A1/ja

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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

Definitions

  • a typical futon dryer includes a main unit, a hose, and a drying mat (air bag) (Japanese Patent Laid-Open No. 08-010499).
  • the main unit supplies hot air into the drying mat through a hose.
  • the drying mat By expanding the drying mat between the mattress and the comforter, the mattress and the comforter can be efficiently dried.
  • Such a futon dryer may not obtain a sufficient drying effect in the following cases.
  • the hot air supply capacity of the futon dryer is weak
  • the weight of the comforter is heavier than expected (than the warm air output value set by the user)
  • the drying mat is folded and placed
  • the mat may not be correctly placed between the futons.
  • the futon dryer as described above uses heat conduction through the drying mat as one of the main drying means.
  • the dry mat is easy to adhere to a mattress located below the dry mat.
  • the comforter is located above the drying mat and is flexible and easily deformed.
  • the dry mat is difficult to adhere to the comforter, and a gap is easily formed between them. Heat conduction to the comforter through the drying mat is often difficult, and a sufficient drying effect cannot be obtained, or the electricity bill becomes high due to long-time drying.
  • the futon dryer disclosed in this publication includes a main body unit and a blowing unit (drying unit) connected to the main body unit via a hose.
  • the blowout unit has a box shape (substantially rectangular parallelepiped shape), and the blowout unit is provided with a plurality of blowout ports for blowing warm air to the outside.
  • the futon is dried with the blowout unit placed between the mattress and the comforter.
  • the drying mat type futon dryer may be restricted depending on the shape and size of the drying mat, the installation condition of the drying mat, etc., but according to the futon dryer as described above which does not use the drying mat, The futon can be dried without such restrictions.
  • a blowing unit is placed between the comforter and the mattress.
  • the blowing unit blows warm air toward a space (gap) formed between the comforter and the mattress. If a space with sufficient space is not formed between the comforter and the mattress, the warm air blown from the blowout unit does not reach every corner of the futon, and as a result, it becomes difficult to obtain a sufficient drying effect.
  • a space space with sufficient space is not formed between the comforter and the mattress, the warm air blown from the blowout unit does not reach every corner of the futon, and as a result, it becomes difficult to obtain a sufficient drying effect.
  • the blowout unit (drying unit) disclosed in Japanese Patent Application Laid-Open No. 2016-064126 has a flat box shape. Even if the flat box shape of the blowing unit is positively used, it is not easy to form a space having a sufficient area around the blowing unit. If you are accustomed to a futon dryer, after placing the blowout unit between the comforter and the mattress, pull the comforter partly to form the space above (the comforter's bulge) between the comforters You might think of it, but there is a possibility that such a space will become smaller due to the weight of the comforter.
  • the futon dryer As a countermeasure, for example, it is conceivable to configure the futon dryer so as to have a size and blowing capacity larger than those originally required for drying the futon. However, enlarging the blowout unit having a flat box shape leads to an increase in the size of the entire apparatus. It is conceivable to incorporate a high-performance air blower or heater, but this increases the product cost, increases the noise, and increases the cost of electricity.
  • the present specification discloses a blowout unit having a configuration capable of forming a space having a sufficient width between a comforter and a mattress, and a futon dryer provided with such a blowout unit. Objective.
  • the blowout unit is a blowout unit that is provided in the futon dryer and blows out warm air, and has a cylindrical handle having a cylindrical shape, and the tip opening at a position away from the tip opening of the cylindrical handle.
  • a cover portion that is provided so as to cover and has a generally umbrella-like shape as a whole together with the cylindrical handle portion, and in the state in which the cover portion and the cylindrical handle portion are inserted between the mattress and the comforter The comforter is supported by the cover part and the cylindrical handle part, and the warm air blown from the tip opening of the cylindrical handle part is turned in contact with the inner surface of the cover part, and the cover part and The tubular handle is blown out toward a space formed between the mattress and the comforter and around the cover.
  • the inner surface of the cover portion is formed such that warm air blown from the tip opening of the cylindrical handle portion and turned in contact with the inner surface is turned at an angle of 45 ° or more. May be.
  • the blow-out unit extends in the circumferential direction so as to surround the cylindrical handle portion, and is disposed so as to face the cover portion with a space therebetween, and a flow path of warm air between the cover portion and the cover portion. And the total sum of the cross-sectional areas of the portions of the flow channel at a predetermined diameter centered on the central axis of the cover portion is from the inner side to the outer side in the radial direction. It may grow gradually.
  • the change rate may be greater than 0 and a substantially constant value.
  • the length may be configured to gradually decrease from the inner side to the outer side in the radial direction.
  • a plurality of the flow paths that are divided by a partition wall may be formed between the cover part and the bowl-shaped part.
  • the portion of each of the plurality of the channels that forms the plurality of flow paths has a curved shape that bulges toward the inside of the flow path
  • the part which forms each of the said some flow path of the said cover part may have the curved surface shape which recedes in concave shape from the inner side of the said flow path.
  • the futon dryer includes a main unit that generates warm air, a hose connected to the main unit, and the blowout unit.
  • the main unit has an installation part on the upper part of the main unit where the blowing unit can be detachably installed, and the hose and the blowing unit are installed in the installation part. Hot air may be blown out through the blowing unit.
  • the main body unit has a shielding portion that surrounds a part of the periphery of the blowout unit installed in the installation portion, and blows out from the blowout unit toward the left and right directions and the rear of the main body unit.
  • the heated warm air may be turned in contact with the shielding portion and blown out to the front side of the main unit.
  • a space having a sufficient area can be formed between the comforter and the mattress by utilizing the umbrella shape of the blowing unit.
  • FIG. 3 is a side view showing a blowing unit 30 in the first embodiment.
  • FIG. 3 is a cross-sectional view showing a blowing unit 30 in the first embodiment.
  • FIG. 3 is a cross-sectional perspective view showing a blowing unit 30 in the first embodiment.
  • FIG. 5 is a cross-sectional perspective view taken along the line VII-VII in FIG. 4. It is a perspective view which shows the use condition of the futon dryer 100 in Embodiment 1.
  • FIG. It is a figure which shows a mode that the blowing unit 30 in Embodiment 1 is arrange
  • FIG. FIG. 8 is a cross-sectional perspective view corresponding to FIG. 7, showing a state in which hot air is flowing inside the blowing unit 30 in the first embodiment.
  • FIG. 6 is a cross-sectional view corresponding to FIG. 5, showing a state in which hot air is flowing inside the blowing unit 30 in the first embodiment.
  • FIG. 5 is a perspective view corresponding to FIG.
  • FIG. 4 showing a state in which hot air is flowing inside the blowing unit 30 in the first embodiment.
  • It is a side view which shows a mode that the warm air is flowing through the inside of the blowing unit 30 in the 1st modification of Embodiment 1.
  • FIG. It is sectional drawing which shows a mode that the warm air is flowing through the inside of the blowing unit 30 in the 2nd modification of Embodiment 1.
  • FIG. It is a perspective view which shows the other usage condition of the futon dryer 100 in Embodiment 1.
  • FIG. It is a perspective view which shows the other usage condition of the futon dryer 100 in Embodiment 1.
  • FIG. 3 is a cross-sectional view showing a state where hot air is blown out in a state where the blowing unit 30 in the first embodiment is installed in the installation unit 11 of the main unit 10.
  • FIG. 4 is a cross-sectional perspective view showing a state in which hot air is blown out in a state where the blowing unit 30 in the first embodiment is installed in the installation unit 11 of the main unit 10.
  • FIG. 30 It is sectional drawing which shows a mode that the warm air is flowing through the inside of the blowing unit 30A in the modification of Embodiment 2. It is a figure which shows a mode that the blowing unit 30 in Embodiment 3 is arrange
  • FIG. It is a perspective view which shows the blowing unit 30B in Embodiment 4.
  • FIG. It is a figure which shows a mode that the blowing unit 30B in Embodiment 4 is arrange
  • FIG. It is a perspective view which shows the blowing unit 30C in Embodiment 5.
  • FIG. It is a figure which shows a mode that the blowing unit 30C in Embodiment 5 is arrange
  • the futon dryer 100 includes a main body unit 10 that generates hot air, a hose 20 (FIG. 2) connected to the main body unit 10, and a blowout provided at the tip of the hose 20. Unit 30.
  • the main unit 10 has a substantially rectangular parallelepiped shape.
  • An installation part 11 is provided on the upper part of the main unit 10.
  • An operation unit 12 is provided on the front side (front side) of the installation unit 11.
  • An opening 17 (FIG. 2) is provided in the upper part of the main unit 10.
  • the hose 20 has flexibility and can be expanded and contracted. The hose 20 is taken in and out of the main unit 10 through the opening 17.
  • a power cord (not shown) is also provided on the back side of the main unit 10.
  • the hose 20 of the present embodiment is configured such that the length drawn from the opening 17 is variable.
  • the hose 20 of the present embodiment is formed in a bellows shape that can hold a bent shape by a resin molded product, and the length of the drawer 17 from the opening 17 is changed by expansion and contraction.
  • the outer diameter of the hose 20 is set to, for example, about 60 mm to 70 mm so that the user can easily grasp and pull it out.
  • Shield portions 13 and 14 are provided on the left and right of the installation portion 11, respectively.
  • the shielding parts 13 and 14 are located on the opposite sides of the installation part 11 and face each other.
  • a shielding part 15 (FIG. 2) is provided on the back side of the installation part 11.
  • the lower end of the shielding part 15 is pivotally supported so that the shielding part 15 can rotate in the direction indicated by the arrow AR15 (FIG. 2).
  • the shielding part 15 When pulling out the hose 20 to the back side, the shielding part 15 is inclined to the back side with the lower end side as a center as necessary.
  • the installation part 11 is formed above the opening 17 and at a position inside the shielding parts 13-15.
  • the blowing unit 30 can be detachably installed on the installation unit 11.
  • the shielding units 13 to 15 surround a part of the periphery of the blowing unit 30 installed in the installation unit 11. In the present embodiment, the shielding parts 13 to 15 surround a range of about 270 ° around the blowing unit 30 installed in the installation part 11. Even when the blowing unit 30 is installed in the installation unit 11, the blowing unit 30 can blow out hot air supplied from the main unit 10.
  • a suction port 16 is provided on the back surface of the main unit 10.
  • the main unit 10 incorporates a blower and a heater.
  • the main unit 10 takes air into the interior through the suction port 16 and heats the air.
  • the heated air is sent to the blowing unit 30 through the hose 20 as warm air (airflow).
  • the main unit 10 and the hose 20 may be provided with a function of adding ions having deodorizing, sterilizing, and sterilizing effects to the warm air.
  • FIG. 3 is a side view showing the blowing unit 30.
  • FIG. 4 is a perspective view showing a state in which the cover unit 50 described later is not shown in the blowing unit 30.
  • 5 and 6 are a cross-sectional view and a cross-sectional perspective view showing the blowing unit 30, respectively.
  • 7 is a cross-sectional perspective view taken along the line VII-VII in FIG.
  • the blowing unit 30 is detachably provided at the tip of the hose 20 (FIG. 2), and can blow out hot air flowing through the hose 20.
  • the blowout unit 30 of the present embodiment includes a cylindrical handle 40, a cover 50 (FIGS. 3, 5, and 6), a hook 60, a central guide plate 54 (FIGS. 4 to 7), and an upper guide plate. 56 and 57 (FIG. 4), and a plurality of partition walls 80 to 84 (FIG. 4).
  • the cylindrical handle portion 40 has a cylindrical shape (here, a cylindrical shape) and is connected to the tip of the hose 20 by a fitting structure, a locking structure, or the like.
  • the tubular handle 40 is fitted to the tip of the hose 20 using a locking claw 39 (FIG. 2) that is fitted on the tip of the hose 20 and can be tilted in the radial direction.
  • the cylindrical handle 40 may be connected to the hose 20 so as to be rotatable in the circumferential direction.
  • the cover 50 is connected to the distal end 42 (FIGS. 4 to 7) of the cylindrical handle 40 via partition walls 80 to 84 and a hook-like portion 60 described later. Is done.
  • the cover portion 50 is provided so as to cover the distal end opening at a position away from the distal end opening of the cylindrical handle portion 40 (opening portion formed inside the distal end 42), and is substantially umbrellad as a whole together with the cylindrical handle portion 40. It has a shape of a shape.
  • the cover part 50 has a circular outer edge centered on the central axis 50C. If the distance from the tip 42 of the cylindrical handle 40 is defined as the height in the direction of the central axis 50C, the height of the cover 50 is gradually increased from the outer peripheral portion toward the central portion.
  • the central portion has a curved plate shape that bulges in a convex shape.
  • a convex portion 58 is formed at the center of the inner surface 50S side of the cover portion 50 (the surface on the side of the cover portion 50 where the bowl-shaped portion 60 is located).
  • the convex portion 58 has a shape that bulges out in a truncated cone shape toward the side where the cylindrical handle portion 40 is located.
  • the cover portion 50 has the shape of an umbrella-shaped fabric portion (portion that is protected from rain when the umbrella is opened), and the cylindrical handle portion 40 is an umbrella. The shape of the shape handle portion is exhibited.
  • the cylindrical handle 40 extends in a direction that intersects the direction of the central axis 50 ⁇ / b> C of the cover 50.
  • the front end side (the right side in FIG. 5) in the direction in which the tubular handle 40 extends toward the front end 42 is defined as “front side”.
  • the tip side of the cylindrical handle 40 extending in the direction away from the tip 42 starting from the tip 42 (the side of the cylindrical handle 40 connected to the hose 20) (see FIG. 5) (Left side) is defined as “rear side”.
  • the hook-like portion 60 extends in the circumferential direction so as to surround the cylindrical handle portion 40 and is disposed so as to face the cover portion 50 with a space therebetween.
  • the bowl-shaped part 60 forms a hot air flow path between the cover part 50 and the bowl-shaped part 60.
  • a plurality of flow paths that are divided from each other by the partition walls 80 to 84 are formed between the cover portion 50 and the bowl-shaped portion 60.
  • the bowl-shaped portion 60 extends from the tip 42 of the cylindrical handle portion 40 toward the outer side in the radial direction, and has a circular outer edge.
  • the outer edge of the bowl-shaped part 60 is coaxial with the outer edge of the cover part 50, and has a circular shape centered on the central axis 50C.
  • the outer diameter of the bowl-shaped portion 60 is smaller than the outer diameter of the cover portion 50 (FIG. 5).
  • convex portions 61 to 68 are formed on the upper surface of the hook-shaped portion 60 (the surface of the hook-shaped portion 60 on the side close to the cover portion 50).
  • the convex surface portions 61 to 68 are arranged at substantially the same interval in the circumferential direction with the central axis (center axis 50C) of the bowl-shaped portion 60 as the center.
  • the partition walls 80 to 84 are provided so as to stand on the upper surface of the bowl-shaped portion 60 (the surface of the bowl-shaped portion 60 on the side close to the cover portion 50).
  • Each of the partition walls 80 to 84 has a plate shape, and is along a direction (vertical direction in FIG. 5) parallel to the central axis of the bowl-shaped portion 60 (the central axis 50C of the cover portion 50). And extending between the hook-shaped portion 60 and the cover portion 50.
  • the partition walls 81 to 84 are arranged so as to extend radially from the inner side to the outer side in the radial direction around the position of the tip 42 of the cylindrical handle 40.
  • the partition walls 81 to 84 are formed to be curved in an arc shape from the inner end portion toward the outer end portion.
  • the curvature center of the curved shape of the d partition walls 81 to 84 is located on the front side (the right side in FIG. 4 to FIG. 6) with respect to the tip 42 of the cylindrical handle 40 (FIG. 4). reference).
  • the partition walls 81 and 84 are located on opposite sides of the distal end 42 of the cylindrical handle 40 in the radial direction of the bowl-shaped portion 60.
  • the partition wall 81 is located between the convex surface portions 61 and 62
  • the partition wall 84 is located between the convex surface portions 65 and 66.
  • the partition wall 82 is on the front side of the partition wall 81 and is located between the convex surface portions 62 and 63.
  • the partition wall 83 is on the front side of the partition wall 84 and is located between the convex surface portions 64 and 65.
  • a partition wall is not provided between the two convex surface portions 63 and 64 located on the most front side of the convex surface portions 61 to 68.
  • the convex surface parts 63 and 64 are adjacent to each other without a partition wall.
  • the convex surface portions 67 and 68 are located on the rear side of the partition wall 80, and no partition wall is provided between the convex surface portions 67 and 68.
  • the convex portions 67 and 68 are adjacent to each other without a partition wall.
  • the partition wall 80 includes partition portions 80a and 80b and a connection portion 80c extending so as to connect the partition portions 80a and 80b.
  • the connection portion 80c of the partition wall 80 is provided so as to stand on the rear side of the distal end 42 of the cylindrical handle portion 40 (FIG. 5).
  • the partition portion 80 a of the partition wall 80 is located between the convex surface portions 61 and 68. Similarly to the partition walls 81 and 82, the partition portion 80a is disposed so as to extend from the inner side to the outer side in the radial direction, and is formed to be curved in an arc shape from the inner side to the outer side. Similarly to the partition walls 81 and 82, the partition portion 80a is curved so that the portion between the inside and the outside recedes toward the rear side.
  • the partition part 80 b of the partition wall 80 is located between the convex surface parts 66 and 67.
  • the partition portion 80b is disposed so as to extend from the inner side to the outer side in the radial direction, and is formed to be curved in an arc shape from the inner side to the outer side.
  • the partition portion 80b is curved so that the portion between the inside and the outside recedes toward the rear side.
  • the central guide plate 54 is provided inside the cylindrical handle 40.
  • a portion of the central guide plate 54 that is disposed on the upstream side (the lower side in the drawing in FIG. 5) of the cylindrical handle 40 has a substantially flat plate shape. It extends in a direction substantially parallel to the axial direction.
  • a portion of the central guide plate 54 disposed on the downstream side (upper side in FIG. 5) of the cylindrical handle 40 has a curved plate shape and is formed in the cover 50. It extends so as to approach the top of the convex portion 58.
  • the central guide plate 54 has a front end opening (a portion located near the front end 42 in the flow path formed by the cylindrical handle 40) formed on the inner side of the front end 42 of the cylindrical handle 40 on the front side. It arrange
  • a branch portion 55 (FIGS. 5 to 7) is formed at the upper end of the central guide plate.
  • the branch portion 55 has a shape extending from the front side toward the rear side starting from the upper end portion located on the front side of the central guide plate 54, and the front end (rear end) of the branch portion 55 in the extending direction. ) Is connected to the connecting portion 80 c of the partition wall 80.
  • the upper guide plates 56 and 57 are disposed above the central guide plate 54, and are disposed so as to exhibit a substantially V-shape as a whole.
  • the upper guide plates 56 and 57 extend upward with the branching portion 55 as a lower end, and are arranged so as to draw an arc while moving away from each other toward the upper side.
  • the upper guide plate 56 (FIG. 7) extends in an arc shape toward the convex surface portion 61 starting from the branch portion 55, and the upper guide plate 57 (FIG. 4) starts from the convex portion 66 starting from the branch portion 55. It extends in the shape of an arc toward the side.
  • FIG. 8 is a perspective view showing a use state of the futon dryer 100.
  • the blowing unit 30 is removed from the installation unit 11.
  • the blowing unit 30 is pulled out from the main body unit 10 together with the hose 20 and is inserted between the mattress 90 and the comforter 92.
  • the cover portion 50 of the blowout unit 30 has a substantially umbrella shape as a whole together with the cylindrical handle portion 40.
  • the part of the comforter 92 that is in contact with the cover part 50 follows the shape of the outer surface of the cover part 50. So that it is deformed.
  • the hose 20 is placed on the mattress 90, and the cylindrical handle 40 provided at the tip of the hose 20 supports the cover 50 from below as a support.
  • the comforter 92 is supported by the tubular handle 40 and the cover 50.
  • the comforter 92 is supported by the tubular handle 40 and the cover 50 in the shape of a mountain tent.
  • a space S having a sufficient width is formed between the mattress 90 and the comforter 92 and around the cover portion 50.
  • the main unit 10 When the operation unit 12 (FIG. 8) is operated, the main unit 10 generates hot air, and the hot air is supplied to the blowing unit 30 through the hose 20.
  • the hot air is blown out from the tip opening of the cylindrical handle 40 (opening inside the tip 42), and is turned so as to contact the inner surface 50S (FIGS. 5 and 6) of the cover 50 and go outward in the radial direction.
  • the warm air passes through a flow path formed between the inner surface 50S of the cover part 50 and the upper surface of the bowl-shaped part 60, and then passes through an opening between the outer edge of the cover part 50 and the outer edge of the bowl-shaped part 60. It passes through and is finally blown out from the blowing unit 30 toward the space S.
  • FIG. 10 shows a state in which hot air is flowing inside the blowout unit 30, and is a cross-sectional perspective view corresponding to FIG.
  • the warm air that has entered the tubular handle 40 from the hose 20 is warm air (arrow AR1) that flows through the flow path on the rear side of the central guide plate 54 and the front side of the central guide plate 54.
  • warm air (arrows AR2 and AR3) flowing through the flow path.
  • the warm air that has flowed through the flow path on the rear side of the central guide plate 54 is warm air that flows toward the upper guide plate 56 with the branch portion 55 (FIG. 11) as a branch point. It is further divided into an arrow AR1 in FIG. 12 and warm air (arrow AR6 in FIG. 12) flowing on the upper guide plate 57 (FIG. 12) side.
  • the warm air (arrow AR1 in FIG. 12) that has flowed toward the upper guide plate 56 comes into contact with the inner surface 50S (FIG. 11) of the cover portion 50 and is turned.
  • the warm air passes through a flow path defined by the convex surface portion 61, the partition wall 81, the partition portion 80a, and the inner surface 50S of the cover portion 50, and then blows out toward the space S (FIG. 9). Is blown out.
  • the warm air (arrow AR6 in FIG. 12) that has flowed to the upper guide plate 57 side is also turned in contact with the inner surface 50S (FIG. 11) of the cover portion 50.
  • the warm air passes through the flow path partitioned by the convex surface portion 66, the partition wall 84, the partition portion 80b, and the inner surface 50S of the cover portion 50, and then is directed toward the space S (FIG. 9). Is blown out.
  • the hot air flowing through the flow path on the front side of the central guide plate 54 is turned in contact with the inner surface 50S (FIG. 11) of the cover portion 50, and then between the partition walls 81 and 82.
  • the flow path between the partition walls 82 and 83 (arrow AR3, AR4, AR10), and the flow path between the partition walls 83 and 84 (arrow AR5), the space S (FIG. It will be blown out from the blowing unit 30 toward 9).
  • no partition wall is provided between the convex surface parts 63 and 64.
  • the flow path between the partition walls 82 and 83 is wider than the flow path between the partition walls 81 and 82 and the flow path between the partition walls 83 and 84.
  • Each of the partition walls 82 and 83 is curved forward so that a portion between the inner side and the outer side is retracted toward the rear side, and more parts are passed through the flow path between the partition walls 82 and 83. Hot air is blown out to the front side.
  • the cylindrical handle portion 40 provided at the tip of the hose 20 has a substantially umbrella shape as a whole together with the cover portion 50. Since the tubular handle portion 40 supports the cover portion 50 from below as a support, the comforter 92 is supported by the tubular handle portion 40 and the cover portion 50, and between the mattress 90 and the comforter 92 and the cover portion 50. It is possible to form a space S having a sufficient width at a peripheral position. In this state, warm air is blown out toward the space S through the blowing unit 30, and the warm air can reach all corners of the mattress 90 and the comforter 92. As a result, it is sufficient in a short time compared to the conventional case. A good drying effect.
  • the futon dryer 100 since it is not necessary to configure the futon dryer 100 so as to have a size and blowing capacity larger than originally required for drying the futon, it is possible to reduce the size of the entire apparatus. It becomes possible.
  • it is not necessary to incorporate a high-performance blower or heater in the main unit 10 since it is not necessary to incorporate a high-performance blower or heater in the main unit 10, it is possible to reduce product costs, reduce noise, and reduce electricity costs.
  • the convex surface portions 61 to 68 are located on the side where the cover portion 50 is located (the inner side of the flow path). It may have a curved surface shape that bulges toward the projection (see FIG. 5). Moreover, the part which forms each of the some flow path among the inner surfaces 50S of the cover part 50 may have the curved surface shape which recedes concavely from the inner side of a flow path (refer FIG. 5). In the warm air passing through each flow path, lift is generated by the curved surface shape of the convex portions 61 to 68, and the reaction force as shown by the white arrow in FIG. The reach of hot air can be made longer by the pressure.
  • the direction of the warm air passing through each flow path can be smoothly changed by the curved surface shape of the inner surface 50S of the cover portion 50, and as a result, the warm air is caused by friction with the inner surface 50S. It is possible to suppress a decrease in the reach distance.
  • the convex surface portions 61 to 68 (portions of the bowl-shaped portion 60 forming each of the plurality of flow paths) form a separate spindle shape or a part of the spindle shape for each flow path. You may do it. According to this configuration, a vertical vortex (see FIG. 19) can be generated in each of the plurality of flow paths, and as a result, the reach distance of the hot air can be further extended.
  • FIG. 13 is a side view showing a state in which hot air is flowing inside the blowing unit 30 in the first modification of the first embodiment.
  • the inner surface 50S of the cover portion 50 has a hot air blown from the tip opening (inner opening of the tip 42) of the cylindrical handle 40 and turned to contact the inner surface 50S at 45 ° or more. It is good to form so that it may turn toward the outer side of radial direction by these angle (theta) 1, (theta) 2.
  • warm air can be sent out more widely using the space formed between the mattress and the comforter, and it becomes possible to dry a mattress and a comforter more efficiently over a wide range.
  • FIG. 13 shows a state in which hot air is blown from the entire circumference (a range including the rear side) of the blowing unit 30, the hot air is blown from the blowing unit as in the case of the first embodiment.
  • You may be comprised so that it may blow out only from a part of circumference
  • the direction of warm air flowing through the inside of the tubular handle 40 corresponding to the central axis 40C of the tubular handle 40
  • the angle formed by the wind direction is 45 ° or more at any location in the circumferential direction.
  • the angle ⁇ 1 is 60 ° and the angle ⁇ 2 is 150 °.
  • FIG. 14 is a cross-sectional view showing a state in which hot air is flowing inside the blowing unit 30 in the second modification of the first embodiment.
  • the flow path cross-sectional area of the portion at a position of a predetermined diameter centered on the central axis 50 ⁇ / b> C of the cover portion 50 The total sum may be configured to gradually increase from the inner side to the outer side in the radial direction.
  • the diameter D40 of the flow path formed inside the cylindrical handle 40 is 64 mm.
  • the position P50 having a diameter of 50 mm centered on the central axis 50C is used.
  • the channel cross-section height D50 (the height of the channel cross-section orthogonal to the flow direction of the streamline ST) is 34 mm.
  • the channel cross-sectional height D100 at a position P100 having a diameter of 100 mm centered on the central axis 50C is 21 mm.
  • the flow path cross-sectional height D150 at a position P150 having a diameter of 150 mm centered on the central axis 50C is 16 mm.
  • the channel cross-sectional height D175 at a position P175 having a diameter of 175 mm centered on the central axis 50C is 15 mm.
  • the channel cross-sectional height D200 at the position P200 having a diameter of 200 mm centered on the central axis 50C is 14 mm. That is, of the flow paths formed between the inner surface 50S of the cover part 50 and the bowl-shaped part 60, the flow path cross-sectional height at the position of a predetermined diameter centered on the central axis 50C of the cover part 50 is the diameter.
  • the flow path is closed by the partition wall 80 in the rear 90 ° range, and the flow path is formed in the front 270 ° range, as in the case shown in FIG. ing.
  • the sum total of the flow path cross-sectional areas of the portions at a predetermined diameter centered on the central axis 50C is the cylindrical handle portion.
  • the position P100 having a diameter of 100 mm is approximately 4860 mm 2
  • the position P150 having a diameter of 150 mm centered on the central axis 50C is approximately 5650 mm 2
  • the position P175 having a diameter of 175 mm centered on the central axis 50C is approximately 6040 mm 2
  • the central axis 50C of about 6440mm 2 at positions P200 diameter 200mm around the.
  • the channel cross-sectional area (3220 mm 2 ) having a diameter D40 formed inside the cylindrical handle 40 gradually increases from the inner side to the outer side in the radial direction, and has a diameter of 200 mm with the central axis 50C as the center.
  • the opening portion extending in the circumferential direction at the position P200 (channel cross-sectional height D200) (the sum of the channel cross-sectional areas of the opening portion) is doubled (6440 mm 2 ). According to the said structure, it becomes possible to convert the kinetic energy of the warm air which blows off from the inner side opening of the front-end
  • the rate of change is greater than 0 and substantially constant. It should be a value.
  • the total cross-sectional area of the flow path is Y (mm 2 ) and the predetermined diameter centered on the central axis 50C is X (mm)
  • Y 16.2X + 3220 is a linear approximation.
  • the formula holds.
  • the case where the rate of change is substantially constant includes the case where the rate of change is completely constant. The rate of change is substantially constant.
  • the rate of change of the cross-sectional area of the flow path every time the diameter increases by 50 mm is based on the change rate reference (here 16.2) given by the linear approximation as described above. It can be defined to be ⁇ 10% or less. According to the configuration in which the rate of change is substantially constant, it becomes possible to convert the kinetic energy of the hot air blown from the inner opening of the tip 42 of the cylindrical handle 40 into the static pressure for sending the hot air with higher efficiency. It is possible to increase the reach of hot air.
  • the rate of change is defined as the rate of change in which the total sum of the channel cross-sectional areas increases as the predetermined diameter centered on the central axis 50C increases.
  • the rate of change is defined as follows: May be. That is, a streamline ST is drawn in a flow path formed between the cover part 50 and the bowl-shaped part 60, and a position corresponding to the tip 42 of the streamline ST is set as a starting point, and from the starting point on the streamline ST. Assuming that the curve length of the streamline up to an arbitrary position is defined as a predetermined distance, the rate of change in which the sum of the channel cross-sectional areas increases as the predetermined distance increases may be defined as the rate of change. .
  • the curve length is about 26.9 mm, and the sum of the flow path cross-sectional areas at the position P50 is about 4055 mm 2 .
  • the curve length is about 52.6 mm, and the sum of the flow path cross-sectional areas at the position P100 is about 4860 mm 2 .
  • the curve length is about 78.0 mm, and the sum of the flow path cross-sectional areas at the position P150 is about 5650 mm 2 .
  • the curve length is about 90.6 mm, and the sum of the flow path cross-sectional areas at the position P175 is about 6040 mm 2 .
  • the curve length is about 103.1 mm, and the sum total of the flow path cross-sectional areas at the position P200 is about 6440 mm 2 .
  • the rate of change is 31.2 and is configured to take a substantially completely constant value. Even with this configuration, it becomes possible to convert the kinetic energy of the hot air blown from the inner opening of the tip 42 of the cylindrical handle 40 into the static pressure for sending the hot air with higher efficiency, and the reach distance of the hot air Can be made longer.
  • the convex surface portions 61 to 68 are on the side where the cover portion 50 is located (inside the flow path). It has a curved surface shape that bulges toward the top.
  • a portion (a portion corresponding to the convex surface portions 61 to 68) forming each of the plurality of flow paths in the bowl-shaped portion 60 is as follows. You may form in the flat plane shape without an unevenness
  • the channel cross-sectional area increases toward the outside in the radial direction.
  • the flow path cross-sectional height is configured to be gradually lower, the kinetic energy of the hot air blown from the inner opening of the tip 42 of the cylindrical handle 40 is changed to a static pressure that sends out the hot air. Further, conversion can be performed with high efficiency, and the reach of hot air can be made longer.
  • FIG. 15 is a perspective view showing another usage mode of the futon dryer 100 according to the first embodiment. Even when the blowing unit 30 is installed in the installation unit 11, the blowing unit 30 can blow out hot air supplied from the main unit 10 through the hose 20.
  • the futon dryer 100 can be used, for example, as a heater for warming a user's fingers or an indoor space. When the futon dryer 100 can generate ions or the like, the futon dryer 100 can also have the function of an air cleaner.
  • FIG. 16 is a perspective view showing still another usage mode of the futon dryer 100 according to the first embodiment.
  • the futon dryer 100 can also be used as a clothes dryer for drying clothes, for example.
  • the futon dryer 100 can also have functions of sterilization, sterilization, and deodorization of clothes.
  • the present invention is not limited to clothes, and may be sterilized, sterilized, or deodorized for furniture such as chiffon.
  • General duvet dryers have little use other than drying futons, and there are fewer opportunities to dry futons in winter compared to summer. Futon dryers have a low operating rate in the winter, and the futon dryer may not be used at all in the winter.
  • the futon dryer 100 described in the above embodiment not only has a high futon drying capacity when used as a futon dryer, but also has a high heating capacity (especially long hot air) when used as a heater. Reachable distance), and when used as a clothes dryer, it is possible to obtain a high clothes drying ability (particularly a long reach distance of hot air). That is, according to the futon dryer 100 as described above, a high commercial value can be exhibited.
  • the main unit 10 has shielding portions 13 to 15 that surround a part of the periphery of the blowing unit 30 installed in the installation portion 11.
  • the shielding portion 15 configured to be unrotatable is illustrated.
  • the structure that the shielding part 15 is rotatable may be adopted as necessary.
  • FIGS. 17 and 18 are a cross-sectional view showing a state in which hot air is blown out in a state where the blowing unit 30 of the futon dryer 100 is installed in the installation unit 11 (FIGS. 15 and 16) of the main body unit 10, respectively. It is a cross-sectional perspective view.
  • the warm air blown from the blow-out unit 30 toward the left and right direction and the rear side of the main unit 10 is turned in contact with the shielding portions 13 to 15 and blown to the front side (front side) of the main unit 10.
  • the warm air is blown out only from a part around the blowing unit 30 (for example, from a range of 270 °).
  • the amount of warm air blown from the blowing unit 30 toward the rear side of the main unit 10 may be small or not at all. .
  • partition walls 80 to 84 are provided between the cover portion 50 and the bowl-shaped portion 60.
  • the partition walls 80 to 84 form a plurality of flow paths between the cover part 50 and the bowl-shaped part 60, and define the blowing direction of hot air. That is, the presence of the partition wall 80 prevents the warm air blown from the inner opening of the tip 42 of the cylindrical handle 40 from flowing toward the rear side of the partition wall 80. The warm air blown from the inner opening of the tip 42 of the cylindrical handle 40 flows more to the flow path formed on the front side of the partition wall 80.
  • each said structure when using the futon dryer 100 as a heater which heats a user's finger
  • FIG. 19 is a perspective view illustrating a state where the cover unit 50 is not illustrated in the blowing unit 30A of the second embodiment, and corresponds to FIG. 12 in the first embodiment.
  • FIG. 20 is a side view showing a state in which warm air is flowing inside the blowing unit 30A in the second embodiment.
  • the blowing unit 30 in the first embodiment is different from the blowing unit 30A in the second embodiment in the following points.
  • the cover unit 50 is not shown in FIG. 19, but the blowout unit 30A in the second embodiment includes the cover unit 50 (FIG. 20) having the same configuration as that in the first embodiment.
  • the cylindrical handle 40 has a shape that is curved in an approximately L shape (at an angle of about 90 °) as a whole, and the central axis 40C of the inner opening of the tip 42 (FIG. 19) of the cylindrical handle 40. Extends so as to coincide with the central axis 50 ⁇ / b> C of the cover portion 50.
  • the warm air is blown out only from a part around the blowing unit 30 (for example, from a range of 270 °).
  • the blowing unit 30A according to the second embodiment as shown in FIG. 19, warm air is blown out from the entire circumference (a range including the rear side) of the blowing unit 30.
  • the convex portion 61 and the partition wall 81 having substantially the same shape are formed side by side in the circumferential direction so as to surround the periphery of the tip 42 of the cylindrical handle portion 40.
  • the central guide plate 54 has a front end opening (a portion located near the front end 42 in the flow path formed by the cylindrical handle 40) formed on the inner side of the front end 42 of the cylindrical handle 40 on the front side. It arrange
  • the upper guide plates 56 and 57 are not employed.
  • the hot air flowing through the flow path on the front side of the central guide plate 54 is turned in contact with the inner surface 50S (FIG. 11) of the cover portion 50 (not shown), and then arranged on the front side of the bowl-shaped portion 60 and adjacent to each other. It passes through the flow path formed between two matching partition walls 81 (front side) and is blown out from the blowing unit 30 toward the space S (FIG. 9).
  • the hot air flowing through the flow path on the rear side of the central guide plate 54 is turned in contact with the inner surface 50S (FIG. 11) of the cover portion 50 (not shown) and then disposed on the front side of the bowl-shaped portion 60. Then, it passes through a flow path formed between two partition walls 81 adjacent to each other, and is blown out from the blowing unit 30 toward the space S (FIG. 9).
  • the cylindrical handle portion 40 provided at the tip of the hose 20 has a substantially umbrella shape as a whole together with a cover portion 50 (not shown). Since the tubular handle 40 supports the cover 50 from below as a support, the comforter 92 (FIG. 9) is supported by the tubular handle 40 and the cover 50, and between the comforter 90 and the comforter 92. A space S (FIG. 9) having a sufficient width can be formed at a position around the cover portion 50. In this state, warm air is blown out toward the space S through the blowing unit 30A, and the warm air can reach all corners of the mattress 90 and the comforter 92. A good drying effect.
  • the futon dryer it is not necessary to configure the futon dryer so as to have a size and blowing capacity larger than those originally required for drying the futon, and thus it is possible to reduce the size of the entire apparatus. Become.
  • a high-performance blower or heater since it is not necessary to incorporate a high-performance blower or heater in the main unit 10, it is possible to reduce product costs, reduce noise, and reduce electricity costs.
  • the diameter of the tip opening of the hose 20 was ⁇ 64 mm.
  • the horizontal width of the tip opening of the hose 20 was 125 mm, the height of the tip opening was 15 mm, and the length of the tip opening was 110 mm.
  • the diameter was 200 mm, and the height of the blowing opening of the blowing unit 30A was 14 mm.
  • one mattress and two comforters were prepared. 100 g of water was sprayed on one quilt and the quilt located on the lower side of the two quilts (total of 200 g). These three futons were superposed and dried using the futon dryer. The amount of warm air was set to about 0.6 m 3 / min, the temperature of the warm air was set to about 55 ° C., and the drying time was set to 60 minutes. The drying performance was verified based on the weight difference between the samples before and after drying.
  • the average value of the weight difference between the samples before and after drying was 172 g (drying rate: 86%).
  • the average value of the weight difference between the samples before and after drying was 186 g (drying rate 93%).
  • the blowing unit 30A has a drying performance that is 8% or more higher than that of the comparative example. According to the blowout unit 30A of the second embodiment, since it is open over the entire periphery of the blowout unit 30A, the load of the blower fan is reduced even when a part of the opening is closed by the comforter. Can do.
  • the convex portion 61 (the portion forming each of the plurality of flow paths in the bowl-shaped portion 60) is on the side where the cover section 50 is located (the inner side of the flow path). You may have the curved-surface shape which bulges toward convex. Moreover, the part which forms each of the some flow path among the inner surfaces of the cover part 50 may have the curved surface shape which recedes concavely from the inner side of a flow path. In the warm air passing through each flow path, lift force as shown by the white arrow in FIG. 19 is generated by the curved surface shape of the convex surface portion 61, and the reach of the warm air is further increased by the reaction force (differential pressure due to lift force). Can be long. Moreover, the direction of the warm air passing through each flow path can be smoothly changed by the curved surface shape of the inner surface of the cover 50, and as a result, the reach distance of the warm air due to friction with the inner surface Can be suppressed.
  • the convex portion 61 (the portion of the bowl-shaped portion 60 forming each of the plurality of flow paths) forms a separate spindle shape or a part of a spindle shape for each flow path. May be. According to this configuration, a vertical vortex (see FIG. 19) can be generated in each of the plurality of flow paths, and as a result, the reach distance of the hot air can be further extended.
  • the inner surface of the cover portion 50 has an angle of 45 ° or more when the hot air blown out from the distal end opening (inner opening of the distal end 42) of the cylindrical handle 40 and is turned in contact with the inner surface. It may be formed so as to be turned outward in the radial direction at ⁇ 1 and ⁇ 2. According to the said structure, warm air can be sent out more widely using the space formed between the mattress and the comforter, and it becomes possible to dry a mattress and a comforter more efficiently over a wide range.
  • FIG. 20 shows a state in which hot air is blown out from the entire circumference (range including the rear side) of the blowing unit 30A, but the hot air is blown out as in the case of the first embodiment.
  • You may be comprised so that it may blow out only from a part of circumference
  • the direction of warm air flowing through the inside of the tubular handle 40 corresponding to the central axis 40C of the tubular handle 40
  • the angle formed by the wind direction is 45 ° or more at any location in the circumferential direction. In the example shown in FIG. 20, the angles ⁇ 1 and ⁇ 2 are both 105 °.
  • FIG. 21 is a cross-sectional perspective view showing a blowout unit 30A in a modification of the second embodiment.
  • FIG. 22 is a cross-sectional view showing a state in which hot air is flowing inside the blowing unit 30A according to a modification of the second embodiment.
  • the flow path cross-sectional area of the portion at a position of a predetermined diameter centered on the central axis 50 ⁇ / b> C of the cover portion 50 The total sum may be configured to gradually increase from the inner side to the outer side in the radial direction.
  • the diameter D40 of the flow path formed inside the cylindrical handle 40 is 64 mm.
  • the position P50 having a diameter of 50 mm centered on the central axis 50C is used.
  • the channel cross-section height D50 (the height of the channel cross-section orthogonal to the flow direction of the streamline ST) is 28 mm.
  • the channel cross-sectional height D100 at a position P100 having a diameter of 100 mm with the center axis 50C as the center is 16 mm.
  • the channel cross-sectional height D150 at a position P150 having a diameter of 150 mm centered on the central axis 50C is 12 mm.
  • the channel cross-sectional height D175 at a position P175 having a diameter of 175 mm centered on the central axis 50C is 11 mm.
  • the channel cross-sectional height D200 at a position P200 having a diameter of 200 mm centered on the central axis 50C is 10 mm. That is, of the flow paths formed between the inner surface 50S of the cover part 50 and the bowl-shaped part 60, the flow path cross-sectional height at the position of a predetermined diameter centered on the central axis 50C of the cover part 50 is the diameter.
  • the rate of change in which the total sum of the cross-sectional areas of the flow path increases as the predetermined diameter centered on the central axis 50C increases, the rate of change is greater than 0 and substantially constant. It should be a value. According to the said structure, it becomes possible to convert the kinetic energy of the warm air which blows off from the inner side opening of the front-end
  • FIG. 23 is a diagram illustrating a state in which the blowing unit 30 ⁇ / b> A according to Embodiment 3 is disposed between the mattress 90 and the comforter 92.
  • the blowing units 30A of the second and third embodiments are viewed alone, they have the same configuration.
  • the blowout unit 30 ⁇ / b> A is arranged so that the outer surface of the cover unit 50 contacts the mattress 90 in a state where the cover unit 50 and the tubular handle 40 are inserted between the mattress 90 and the comforter 92. It can also be arranged. This arrangement can be applied to any of the blowing units of the first and second embodiments.
  • the blowing unit 30A When such an arrangement state is adopted, the blowing unit 30A is placed on the mattress 90, and the blowing unit 30A is a cylindrical shape provided at the tip of the hose 20 and the tip of the hose 20 as a support.
  • the handle 40 is supported from below. Even in the arrangement state, the comforter 92 is supported by the tubular handle 40 and the cover 50.
  • a space S having a sufficient size is formed between the mattress 90 and the comforter 92 and around the cover portion 50.
  • the warm air is blown out from the blowing unit 30A toward the space S, and the warm air can reach all the corners of the mattress 90 and the comforter 92.
  • sufficient drying can be achieved in a short time compared to the conventional case. An effect can be obtained.
  • FIG. 24 is a perspective view showing a blowing unit 30B in the fourth embodiment.
  • FIG. 25 is a diagram illustrating a state where the blowing unit 30 ⁇ / b> B according to Embodiment 4 is disposed between the mattress 90 and the comforter 92.
  • the blowing unit 30 ⁇ / b> B further includes a support mechanism 33.
  • the support mechanism 33 in the present embodiment has a curved plate shape, and is provided on the outer surface located on the opposite side to the cover portion 50 in the bowl-shaped portion 60.
  • the cylindrical handle 40 cooperates with the support mechanism 33 to support the cover 50 from below as a support.
  • the comforter 92 is supported by the support mechanism 33, the cylindrical handle 40, and the cover 50, and a space S having a sufficient width is formed between the mattress 90 and the comforter 92 and around the cover 50. be able to.
  • warm air is blown out toward the space S through the blowing unit 30B, and the warm air can reach all corners of the mattress 90 and the comforter 92. As a result, it is sufficient in a short time compared to the conventional case. A good drying effect.
  • FIG. 26 is a perspective view showing a blowing unit 30C in the fifth embodiment.
  • FIG. 27 is a diagram illustrating a state where the blowing unit 30 ⁇ / b> C according to the fifth embodiment is disposed between the mattress 90 and the comforter 92.
  • the blowout unit 30 ⁇ / b> C also includes a support mechanism 33.
  • the support mechanism 33 in the present embodiment has a support part 35 and a clamping part 36, and is detachably attached to the cylindrical handle part 40 using elastic deformation of the clamping part 36.
  • the cylindrical handle 40 cooperates with the support mechanism 33 to support the cover 50 from below as a support.
  • the comforter 92 is supported by the support mechanism 33, the cylindrical handle 40, and the cover 50, and a space S having a sufficient width is formed between the mattress 90 and the comforter 92 and around the cover 50. be able to.
  • warm air is blown out toward the space S through the blowing unit 30C, and the warm air can reach all corners of the mattress 90 and the comforter 92. As a result, it is sufficient in a short time compared to the conventional case. A good drying effect.
  • the support mechanism 33 When disposing the blowing unit 30C on the installation portion 11 (see FIGS. 1 and 2), the support mechanism 33 is appropriately removed from the cylindrical handle portion 40. It is also effective to provide a predetermined location where the support mechanism 33 can be accommodated in the main unit 10 or the support mechanism 33 can be hooked.
  • the blowing unit is connected to the tip of the hose 20, but the blowing unit may be directly connected to the main unit 10 (air blowing duct) without using the hose 20.
  • the blowing unit may be directly connected to the main unit 10 (air blowing duct) without using the hose 20.
  • an opening may be arranged in the housing of the main unit 10, the downstream end of the air duct may be extended to the opening, and the blowout unit may be connected to the opening.
  • the blowing unit 30 which protrudes from the housing of the main body unit 10 can be inserted between the mattress and the comforter to perform the futon drying.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Drying Of Solid Materials (AREA)
PCT/JP2017/031311 2017-04-10 2017-08-31 布団乾燥機および吹出ユニット WO2018189930A1 (ja)

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TWI642887B (zh) 2018-12-01
JP6916868B2 (ja) 2021-08-11

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