WO2021153664A1 - 吹出しヘッド - Google Patents

吹出しヘッド Download PDF

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Publication number
WO2021153664A1
WO2021153664A1 PCT/JP2021/003013 JP2021003013W WO2021153664A1 WO 2021153664 A1 WO2021153664 A1 WO 2021153664A1 JP 2021003013 W JP2021003013 W JP 2021003013W WO 2021153664 A1 WO2021153664 A1 WO 2021153664A1
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WO
WIPO (PCT)
Prior art keywords
blowout
peripheral wall
head
blowout head
base plate
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.)
Ceased
Application number
PCT/JP2021/003013
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English (en)
French (fr)
Japanese (ja)
Inventor
信一 尾子
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.)
Bbeng Co Ltd
Original Assignee
Bbeng Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bbeng Co Ltd filed Critical Bbeng Co Ltd
Priority to JP2021574103A priority Critical patent/JPWO2021153664A1/ja
Publication of WO2021153664A1 publication Critical patent/WO2021153664A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser

Definitions

  • the present invention relates to a blowout head of an air conditioning system. More specifically, the present invention relates to the configuration of the blowout head.
  • Patent Document 1 discloses a spot cooler which is this kind of spot air conditioner.
  • the spot cooler of Patent Document 1 is provided with a refrigerator, a flexible duct, a bellows duct, etc., and has a configuration in which cold air from the refrigerator is blown toward an operator via the flexible duct and the bellows duct.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a comfortable air conditioner blowing head that does not suddenly affect the body surface temperature of human beings or the like.
  • a blowout head for an air conditioner having the following configuration. That is, the blowout head is formed in the shape of a hollow disk.
  • the blowout head includes a blowout portion, a base plate portion, and a peripheral wall portion. A plurality of blowout holes are formed in the blowout portion.
  • the blowout portion is circular.
  • the base plate portion is arranged so as to face the blowout portion.
  • the peripheral wall portion is arranged between the blowout portion and the base plate portion, and connects the blowout portion and the base plate portion.
  • the peripheral wall portion is formed in an annular shape, one end side in the axial direction is connected to the blowout portion, and the other end side in the axial direction is connected to the base plate portion.
  • An opening is formed in the peripheral wall portion to connect with a duct through which conditioned air from the air conditioner flows.
  • the plurality of blowout holes are formed in a portion excluding a part of the range arranged at the center of the circular blowout portion when viewed in the axial direction of the peripheral wall portion.
  • the conditioned air from the duct can be dispersed, and the conditioned air can be blown out from the ceiling of the space to be air-conditioned evenly and evenly to the target area like a shower.
  • peripheral wall blowout holes are formed at predetermined intervals on the outer periphery of the peripheral wall portion.
  • the conditioned air can be blown out from the circumferential direction of the blowout head, so that the conditioned air can be blown out in a wider range.
  • the blowout portion, the base plate portion, and the peripheral wall portion are made of a soft material.
  • blowout head lighter and does not require reinforcing materials, so it can be applied to various ceilings. Further, since it is lightweight, the burden of transportation and the like can be reduced, and since it can be folded when not in use, it is easy to handle in transportation and the like.
  • the blowout portion, the base plate portion, and the peripheral wall portion have air permeability, a water pressure resistance of 8 kPa, a thermal conductivity of 0.1 w / mk or less, and a mass per unit area. It is preferably composed of a dough having a thickness of 100 g / m 2 or less and a thickness of 0.2 mm or less.
  • a lightweight blowout head can be formed, and by having ventilation and waterproofness, the occurrence of dew condensation can be effectively suppressed.
  • the blowout head preferably has the following configuration. That is, the blowout portion, the base plate portion, and the peripheral wall portion are composed of a non-woven fabric in which synthetic fibers are bonded by heat and pressure.
  • the non-woven fabric is a sheet-like material in which elongated fibers having a thickness of 0.5 ⁇ m or more and 10 ⁇ m or less are randomly entwined and laminated in a spider web shape.
  • blowout head that is resistant to bending can be formed, and the durability of the blowout head can be improved.
  • the blowout head preferably has the following configuration.
  • the blowout portion, the base plate portion, and the peripheral wall portion are made of a synthetic material sheet.
  • the bending stiffness of the synthetic material sheet is 1 ⁇ 10 -5 N ⁇ m 2 or more and less than 1 ⁇ 10 -3 N ⁇ m 2.
  • the blowout head can be bent, which facilitates storage and transportation, and the constant stiffness makes it possible to maintain a good shape for easily blowing out air during operation.
  • the blowout head preferably has the following configuration. That is, the base plate portion is formed with a storage portion on the side opposite to the side facing the blowout portion. A back plate formed harder than the base plate portion can be stored in the storage portion.
  • the shape of the top plate can be easily maintained when the conditioned air is blown out.
  • the blowout portion in a cross section obtained by cutting the blowout head on a plane including the axis of the peripheral wall portion, the blowout portion has a substantially arc shape that swells in a direction away from the base plate portion as the conditioned air is blown out. It is preferable that it can be deformed into.
  • the direction of the blowout hole changes from straight down to diagonally down, so conditioned air can be blown out over a wider area.
  • the opening is preferably formed in a shape having an aspect ratio of up to 6: 1 and not being elongated.
  • an air conditioning system having the following configuration. That is, this air conditioning system includes the blowout head, an air conditioner, and a flexible duct.
  • the flexible duct connects the air conditioner and the blowout head.
  • the flexible duct and the opening of the blowout head are detachably connected to each other.
  • the conditioned air from the duct can be dispersed, and the conditioned air can be blown out from the ceiling of the space to be air-conditioned evenly and evenly to the target area like a shower.
  • the air conditioner system of the present invention can be easily configured.
  • the above air conditioning system preferably has the following configuration. That is, the flexible duct is provided with a reinforcing portion formed along the longitudinal direction thereof.
  • the reinforcing portion is formed to be harder than the flexible duct and thicker than the flexible duct, and is located at the top of the flexible duct when the flexible duct is used.
  • the reinforcing portion is formed with a plurality of mounting portions arranged at equal intervals along the longitudinal direction thereof on the side opposite to the side fixed to the flexible duct. Is preferable.
  • the above air conditioning system preferably has the following configuration. That is, the flexible duct includes a housing portion formed along the longitudinal direction thereof.
  • the accommodating portion can accommodate an elongated strength member.
  • the strength member accommodated in the accommodating portion can suppress the deformation of the flexible duct in the longitudinal direction.
  • the air conditioning system preferably has the following configuration. That is, the flexible duct is composed of a synthetic material sheet.
  • the bending stiffness of the synthetic material sheet is 1 ⁇ 10 -5 N ⁇ m 2 or more and less than 1 ⁇ 10 -3 N ⁇ m 2.
  • the duct can be bent, which facilitates storage and transportation, and the constant stiffness makes it possible to maintain a good tubular shape for allowing air to flow during operation.
  • the above air conditioning system preferably has the following configuration. That is, the air conditioning system is formed in an annular shape and includes a fixed ring for fixing the blowout head.
  • the base plate portion is provided with head mounting portions for mounting on the fixed annulus at a plurality of locations on the outer peripheral side of the base plate portion.
  • the perspective view which shows the structure of the air-conditioning system provided with the blowing head which concerns on one Embodiment of this invention.
  • the enlarged perspective view which shows the structure of the blowing head at the time of operation.
  • the perspective view which shows the structure of the short pipe part.
  • the plan view which shows the structure of the blowing part.
  • the perspective view which shows the structure of the soft duct provided in the air-conditioning system of a modification.
  • the perspective view which shows the deformation example of a soft duct.
  • FIG. 1 is a perspective view showing a configuration of an air conditioning system 100 including a blowout head 4 according to an embodiment of the present invention.
  • the air conditioning system 100 shown in FIG. 1 can supply air from the air conditioner 1 (that is, air conditioning air) to an area targeting a predetermined area where a worker or the like exists.
  • the air conditioner 1 that is, air conditioning air
  • the use of the air conditioning system 100 is not limited, but in particular, in facilities such as large-scale factories, there is no fixed air conditioning equipment, or in addition to the fixed air conditioning equipment, it is suitably used for supplying air conditioning air to a predetermined area. Can be done.
  • the present invention is not limited to this, and for example, in this air conditioning system 100, temporary tents, gymnasiums, etc. may be flexibly installed for short-term air conditioning needs for events or disaster evacuation.
  • the air conditioning system 100 includes an air conditioner 1, a bellows duct (flexible duct) 2, a short pipe portion (connecting pipe portion) 3, and a blowout head (blowout head) 4. ..
  • the air conditioner 1 is driven by, for example, the electric power generated by the generator shown in the figure.
  • This generator is composed of, for example, a diesel engine or the like.
  • the air conditioner 1 can introduce outside air and release conditioned air (that is, air in which the air quality including at least one of temperature, humidity, air cleanliness, etc. is adjusted to a predetermined quality).
  • the air conditioner 1 can be, for example, a known air-cooled heat pump type air conditioner including a compressor, a heat exchanger, and the like.
  • the conditioned air is cooling air.
  • the bellows duct 2 is used to connect the air conditioner 1 and the blowout head 4. That is, the bellows duct 2 constitutes a path for flowing the conditioned air discharged by the air conditioner 1 to the blowout head 4.
  • the bellows duct 2 is formed in a bellows shape, and conditioned air flows inside.
  • the bellows duct 2 is made of, for example, a resin, a foaming material, or the like.
  • the bellows duct 2 can be bent or expanded and contracted in any direction.
  • the short tube portion 3 and the blowout head 4 are formed of, for example, a non-woven fabric (synthetic material sheet) made of synthetic fibers such as 100% polyethylene.
  • This non-woven fabric is formed, for example, by laminating continuous ultrafine elongated fibers having a thickness of 0.5 ⁇ m or more and 10 ⁇ m or less in a spider web shape and bonding them only by heat and pressure. That is, this non-woven fabric is formed in the form of a sheet in which fibers are randomly entangled.
  • the short pipe portion 3 and the blowout head 4 formed in this way have extremely slight air permeability and also have waterproofness.
  • the water pressure resistance of the short pipe portion 3 and the blowout head 4 of the present embodiment is 8 kPa or more. That is, the short pipe portion 3 and the blowout head 4 of the present embodiment do not allow water to pass through until the water pressure is about 8 kPa.
  • the short tube portion 3 and the blowout head 4 made of the above-mentioned non-woven fabric have the properties that the thermal conductivity is 0.1 w / mk or less, the mass per unit area is 100 g / m 2 or less, and the thickness is 0.2 mm or less. have.
  • the short pipe portion 3 and the blowout head 4 are extremely lightweight, can reduce the burden of transportation, etc., and can be folded when not in use, so that they are easy to handle in transportation, etc. Further, since the short pipe portion 3 and the blowout head 4 have ventilation and waterproof properties, dew condensation can be effectively prevented. Since the short pipe portion 3 and the blowout head 4 are formed of a non-woven fabric, advertisements, advertisements or handling information, patterns according to the interior of the facility to be used, and the like can be printed on the outer peripheral surface.
  • the non-woven fabric of the fabric of the blowout head 4 of the present embodiment is formed by stacking ultrafine fibers so as to have a certain thickness. Due to the overlapping of the fibers, the surface of the non-woven fabric is smoothed, the opacity is high, and the whiteness is extremely high.
  • this non-woven fabric the fusion points of the fibers per unit area can be increased by applying pressure and heat to some extent in a state where the fibers are stacked.
  • this non-woven fabric is harder than cloth and has a paper-like texture.
  • the bending stiffness of this non-woven fabric is 1 ⁇ 10 -5 N ⁇ m 2 or more and less than 1 ⁇ 10 -3 N ⁇ m 2.
  • Bending stiffness can be obtained, for example, by a bending stiffness test as shown in FIG.
  • a non-woven fabric having a weight of W (g / m 2 ) per unit area is cut with a width of b (cm) and horizontally projected from the edge of the table by a length of L (cm), and the part corresponding to the edge of the table is projected from above. Hold it down.
  • a weight having a weight of F (g) may be attached to the tip of the non-woven fabric overhanging, but this weight may be omitted.
  • the bending stiffness S can be calculated by the following formula.
  • the width b is 3.8 cm of the ISO standard. It means bending stiffness when used.
  • the blowout head 4 formed of this non-woven fabric can be quickly inflated like a paper balloon at the time of use, and can maintain a good inflated shape. As a result, the buckling of the blowout head 4 can be suppressed, and the friction loss of the conditioned air can be reduced.
  • the fabric sheet of the blowout head 4 has a paper-like texture as described above, the inner wall of the blowout head 4 becomes smooth, and the friction loss of the conditioned air is further reduced when the air is blown out. Can be done.
  • the bending stiffness is smaller than 1 ⁇ 10 -5 N ⁇ m 2 , the duct will be more buckled and fluttered when air is flowed, and the air flow will be hindered.
  • the bending stiffness is 1 ⁇ 10 -3 N ⁇ m 2 or more, it becomes difficult to swell even if air is passed, and handling becomes difficult.
  • the shape retention is better than before, but when folded, etc. Is prone to creases and wrinkles. Therefore, in the present embodiment, for example, a regular pattern of sashiko is printed on the surface corresponding to the outer peripheral surface of the blowout head 4. With this pattern, it is possible to make the creases and the like inconspicuous in the appearance.
  • the short pipe portion 3 is used to connect the bellows duct 2 and the blowout head 4.
  • the short tube portion 3 is formed in a short tubular shape, for example. Both ends of the short pipe portion 3 in the axial direction are open.
  • the short trunk portion of the present embodiment is preferably formed to be, for example, 125 mm ⁇ or more so that a predetermined amount of conditioned air can be supplied to the blowout head 4. However, it is not limited to this.
  • the short pipe portion 3 includes a first joint portion 31 formed on one side in the axial direction and a second joint portion 32 formed on the other side in the axial direction.
  • the first joint portion 31 is used to connect to the bellows duct 2. That is, the first joint portion 31 is provided at the upstream end portion of the short pipe portion 3 in the direction in which the conditioned air flows.
  • the first joint portion 31 includes a string body 31a and a string stopper 31b, and the string body 31a is formed in a purse-like shape stretched along the outer circumference of the short pipe portion 3.
  • the string body 31a passes through a string passage formed along the outer circumference of the short tube portion 3 at one end in the axial direction of the short tube portion 3. As shown in FIG. 3, the vicinity of both ends of the string body 31a that has passed through the string passage and orbited the short pipe portion 3 is collectively fixed by the string stopper 31b.
  • the effective length of the string body 31a can be adjusted by adjusting the position where the string stopper 31b binds the string stopper 31b.
  • the first joint portion 31 As a result, after the first joint portion 31 is positioned on the outer circumference of the bellows duct 2, the first joint portion 31 (opening of the short pipe portion 3) and the bellows duct 2 can be moved by a simple operation such as pulling the string body 31a. It can be brought into close contact with the outer circumference. As a result, the short pipe portion 3 and the bellows duct 2 are connected. As described above, the connection work between the short pipe portion 3 and the bellows duct 2 attached to the air conditioner 1 becomes extremely simple, and the labor of the work can be significantly reduced.
  • the second joint portion 32 is used to connect with the blowout head 4. That is, the second joint portion 32 is provided at the downstream end portion of the short pipe portion 3 in the direction in which the conditioned air flows.
  • the second joint portion 32 is formed by providing the element 91 of the wire fastener 9 so as to go around the short pipe portion 3.
  • the slider 92 By the slider 92, the element 91 provided in the second joint portion 32 and the element 91 provided in the opening 43b of the blowout head 4 described later mesh with each other to open the short pipe portion 3 and the blowout head 4.
  • the unit 43b is connected.
  • the slider 92 may be provided so as not to be removable from any of the two elements 91, or may be provided so as to be removable from any of the elements 91.
  • the blowout head 4 is attached to the ceiling of the space to be air-conditioned, for example.
  • the blowout head 4 is configured to disperse the conditioned air guided by the bellows duct 2 and the short pipe portion 3 and blow out the conditioned air evenly from the ceiling of the space to be conditioned to the target area like a shower.
  • the blowout head 4 is attached to the ceiling of the space to be air-conditioned so that its thickness direction is the vertical direction.
  • the blowout head 4 is formed in the shape of a hollow disk, and has a round outer shape of, for example, 625 mm ⁇ when viewed in the axial direction thereof. However, it is not limited to this.
  • the blowout head 4 includes a blowout portion 41, a top plate portion (base plate portion) 42, and a peripheral wall portion 43.
  • the blowout head 4 is formed by integrally sewing the blowout portion 41, the top plate portion 42, and the peripheral wall portion 43.
  • the blowout portion 41 is composed of a lower non-woven fabric constituting the blowout head 4.
  • the non-woven fabric is formed in a circular shape. That is, when viewed in the axial direction (vertical direction) of the blowout head 4, the blowout portion 41 is circular.
  • a plurality of (138 in this embodiment) blowout holes 41a are formed in the blowout portion 41. The number of blowout holes 41a can be appropriately increased or decreased as needed.
  • Each blowout hole 41a penetrates the non-woven fabric constituting the blowout portion 41 in the thickness direction. That is, the blowout hole 41a connects the hollow portion of the blowout head 4 and the outside. As shown in FIG. 5, in a plan view, the plurality of outlet holes 41a are provided side by side in the spiral lobe. Then, the size of the blowout hole 41a increases as it approaches the outer peripheral side of the blowout portion 41.
  • the blowout hole 41a is not formed within the range of a circle of an appropriate size from the center of the blowout portion 41.
  • the size of the central region without the blowout hole is appropriately set according to, for example, the size (diameter) of the blowout head 4.
  • This central region can be, for example, a circle having a radius slightly larger than 100 mm.
  • the trademark mark of the product (blowout head 4), the manufacturer's mark, etc. can be printed.
  • the present invention is not limited to this, and for example, it is possible to print a pattern or the like corresponding to the interior of the facility to be used on the entire blowout head 4.
  • a mark having a size corresponding to the size of the blowout hole 41a is printed around each blowout hole 41a.
  • Each mark has a snowflake motif. This can give the user a cool impression.
  • the top plate portion 42 is composed of the upper non-woven fabric constituting the blowout head 4.
  • the non-woven fabric is formed in a circular shape.
  • a storage portion 42a is provided on the side opposite to the side facing the blowout portion 41.
  • the storage portion 42a is composed of a non-woven fabric formed in a bow shape when viewed in the axial direction of the blowout head 4.
  • the bow shape refers to a shape obtained by removing a triangular portion from a fan shape having an appropriate central angle.
  • a part of the back plate 44, which will be described later, is housed in the storage portion 42a.
  • the top plate portion 42 of the present embodiment is provided with a pair of storage portions 42a.
  • the pair of storage portions 42a are point-symmetrical with respect to the center of the top plate portion 42.
  • each bow-shaped storage portion 42a is arranged along the outer circumference of the top plate portion 42.
  • the arc portion is sewn integrally with the outer circumference of the top plate portion 42.
  • Each storage portion 42a opens toward the center side of the top plate portion 42. When viewed in the axial direction of the blowout head 4, the string portion side of the storage portion 42a is open. A part of the back plate 44 is inserted through this opening.
  • the back plate 44 is formed in a disk shape slightly smaller than the diameter of the top plate portion 42.
  • the back plate 44 is a material harder than the non-woven fabric constituting the blowout head 4.
  • the back plate 44 is preferably made of a material that is lightweight, can maintain its disc shape, and is slightly bendable when inserted into the two storage portions 42a.
  • the back plate 44 of the present embodiment is composed of corrugated cardboard or the like made of paperboard having a multi-layer structure and toughness.
  • the present invention is not limited to this, and the back plate 44 may be made of plastic, foam material, thin wood, or the like.
  • the back plate 44 of the present embodiment is formed of cardboard, it is possible to print the handling information of the blowout head 4, the assembly manual, and the like on the back plate 44. As a result, it is not necessary to separately create an assembly manual or the like, and since it is integrated with the parts constituting the blowout head 4, the possibility of losing the assembly manual can be reduced.
  • the blowout head 4 is provided with a plurality of head mounting portions 45 on the upper side surface (the surface on the side where the storage portion 42a is provided).
  • the plurality of head mounting portions 45 are arranged at substantially equal intervals along the outer circumference of the blowout head 4 when viewed in the axial direction of the blowout head 4.
  • the head mounting portion 45 is composed of, for example, an elongated hook-and-loop fastener. One end side of the head mounting portion 45 in the longitudinal direction is integrally fixed to the blowout head 4 by being sewn on the blowout head 4 (for example, the non-woven fabric constituting the storage portion 42a). It is preferable that three or more head mounting portions 45 are provided.
  • the fixed ring 5 is formed of an elongated annular member.
  • the fixed annulus 5 is formed in an annulus having the same size as the blowout head 4 (for example, 625 mm ⁇ ).
  • a plastic pipe can be used as the fixed ring 5, for example, a plastic pipe can be used.
  • the present invention is not limited to this, and the fixed annulus 5 may be made of another material such as bamboo as long as it is lightweight and has rigidity capable of maintaining its annulus shape.
  • the fixed ring 5 is formed by connecting a plurality of divided members formed in an arc shape to each other in the circumferential direction. By making the divided members detachable from each other, it can be handled compactly during transportation, storage, and the like.
  • the blowout head 4 is fixed to the fixed ring 5 by the head mounting portion 45. Specifically, after the head mounting portion 45 is rotated so as to be wound around the fixed ring 5, the tip portion thereof is fixed to the root portion fixed to the blowout head 4 by a hook-and-loop fastener. As a result, it can be attached / detached with a simple operation.
  • a plurality of head mounting portions 45 are provided side by side at substantially equal intervals in the circumferential direction of the blowout head 4.
  • the blowout head 4 can be attached to the fixed ring 5 in a well-balanced manner via the plurality of head attachment portions 45.
  • the fixed ring 5 can be attached to the ceiling of the space to be air-conditioned via a hanging strap 51 or the like. Thereby, the blowout head 4 (and the fixed ring 5) can be easily attached.
  • the peripheral wall portion 43 is composed of a non-woven fabric formed in an annular shape. One end side of the peripheral wall portion 43 in the axial direction is sewn integrally with the outer circumference of the blowout portion 41 to be connected to the blowout portion 41. The other end side of the peripheral wall portion 43 in the axial direction is sewn integrally with the outer periphery of the top plate portion 42 to be connected to the top plate portion 42.
  • a plurality of peripheral wall outlet holes 43a and openings 43b are formed in the peripheral wall portion 43.
  • the peripheral wall blowing hole 43a is formed so as to penetrate the peripheral wall portion 43 in the thickness direction of the non-woven fabric constituting the peripheral wall portion 43.
  • a plurality of peripheral wall outlet holes 43a are provided at predetermined intervals on the outer periphery of the peripheral wall portion 43.
  • the opening 43b is used to communicate the hollow portion of the blowout head 4 and the short pipe portion 3. That is, the opening 43b opens toward the short pipe portion 3.
  • the opening 43b is formed in a rectangular shape with rounded corners.
  • the opening 43b is formed so that the lateral direction coincides with the axial direction of the blowout head 4.
  • the length of the opening 43b in the lateral direction coincides with the length of the peripheral wall portion 43 in the vertical direction.
  • the shape of the opening 43b is preferably limited to 6: 1 and is not elongated.
  • the opening 43b can suppress a sudden pressure loss of the conditioned air flowing to the blowout head 4.
  • This aspect ratio can be set according to, for example, the cross-sectional area of the short pipe portion 3 and the length of the peripheral wall portion 43 in the vertical direction.
  • the element 91 of the wire fastener 9 is provided along the contour of the opening 43b. As a result, the opening 43b (and thus the blowout head 4) can be detachably connected to the short pipe portion 3 via the wire fastener 9.
  • the opening 43b is preferably formed in a short neck portion that projects further outward from the outer periphery of the peripheral wall portion 43.
  • the element 91 can be easily provided, and the element 91 can be more easily attached to and detached from the short pipe portion 3. Further, if the neck is short, it is not necessary to fold it at the time of storage, so that it is possible to avoid damage to the neck due to folding.
  • the blowout head 4 formed of the non-woven fabric when the conditioned air is blown out, as shown in FIG. It swells to the side (that is, in the direction away from the top plate portion 42). As it approaches the center of the blowout portion 41, the degree of swelling downward increases. That is, when considering the cross section including the central axis of the blowout head 4, the blowout portion 41 is deformed into a substantially arc shape protruding downward.
  • the blowout portion 41 By deforming the blowout portion 41 into a substantially spherical shape, the direction in which the plurality of blowout holes 41a formed in the blowout portion 41 face is not a straight lower side but has a component in the radial direction of the blowout head 4 in a plan view. It changes diagonally. As a result, the conditioned air can be suitably dispersed around the blowout head 4. Then, the conditioned air can be blown out in a wider range.
  • the blowout head 4 for the air conditioner 1 of the present embodiment is formed in the shape of a hollow disk.
  • the blowout head 4 includes a blowout portion 41, a top plate portion 42, and a peripheral wall portion 43.
  • a plurality of blowout holes 41a are formed in the blowout portion 41.
  • the blowout portion 41 is circular.
  • the top plate portion 42 is arranged so as to face the blowout portion 41.
  • the peripheral wall portion 43 is arranged between the blowout portion 41 and the top plate portion 42, and connects the blowout portion 41 and the top plate portion 42.
  • the peripheral wall portion 43 is formed in an annular shape, one end side in the axial direction is connected to the blowout portion 41, and the other end side in the axial direction is connected to the top plate portion 42.
  • An opening 43b is formed in the peripheral wall portion 43 to connect with the bellows duct 2 through which the conditioned air from the air conditioner 1 flows.
  • the plurality of blowout holes 41a are formed in a portion excluding the range of a predetermined radius arranged at the center of the circular blowout portion 41 when viewed in the axial direction of the peripheral wall portion 43.
  • the conditioned air from the bellows duct 2 can be dispersed, and the conditioned air can be blown out from the ceiling of the space to be air-conditioned evenly and evenly to the target area like a shower.
  • peripheral wall blowout holes 43a are formed at predetermined intervals on the outer periphery of the peripheral wall portion 43.
  • the conditioned air can be blown out from the circumferential direction of the blowout head 4, so that the conditioned air can be blown out in a wider range.
  • the blowout portion 41, the top plate portion 42, and the peripheral wall portion 43 are made of a soft material.
  • the blowout head 4 is lightweight and does not require a reinforcing material or the like, so that it can be applied to various ceilings. Further, since it is lightweight, the burden of transportation and the like can be reduced, and since it can be folded when not in use, it is easy to handle in transportation and the like.
  • the blowout portion 41, the top plate portion 42, and the peripheral wall portion 43 have air permeability, a water pressure resistance of 8 kPa, a thermal conductivity of 0.1 w / mk or less, and a unit. It is composed of a fabric having a mass of 100 g / m 2 or less and a thickness of 0.2 mm or less per area.
  • the lightweight blowout head 4 can be formed, and the presence of ventilation and waterproofness makes it possible to effectively suppress the occurrence of dew condensation.
  • the blowout portion 41, the top plate portion 42, and the peripheral wall portion 43 are composed of a non-woven fabric in which synthetic fibers are bonded by heat and pressure.
  • the non-woven fabric is a sheet-like material in which elongated fibers having a thickness of 0.5 ⁇ m or more and 10 ⁇ m or less are randomly entwined and laminated in a spider web shape.
  • blowout head 4 that is resistant to bending can be formed, and the durability of the blowout head 4 can be improved.
  • the blowout portion 41, the top plate portion 42, and the peripheral wall portion 43 are made of a non-woven fabric.
  • the bending stiffness of the non-woven fabric is 1 ⁇ 10 -5 N ⁇ m 2 or more and less than 1 ⁇ 10 -3 N ⁇ m 2.
  • the blowout head 4 can be bent, which facilitates storage and transportation, and the constant stiffness makes it possible to maintain a good shape for easily blowing out air during operation. ..
  • the top plate portion 42 is formed with a storage portion 42a on the side opposite to the side facing the blowout portion 41.
  • the back plate 44 which is formed harder than the top plate portion 42, can be stored in the storage portion 42a.
  • the shape of the top plate portion 42 can be easily maintained when the conditioned air is blown out.
  • the blowout portion 41 when considering the cross section of the blowout head 4 cut in a plane including the axis of the peripheral wall portion 43, the blowout portion 41 is accompanied by the blowout of the conditioned air, and the top plate portion 42 It can be deformed into a substantially arc shape that swells in the direction away from.
  • the direction in which the blowout hole 41a faces changes from straight down to diagonally down, so that the conditioned air can be blown out in a wider range.
  • the opening 43b is formed in a shape in which the aspect ratio is limited to 6: 1 and is not elongated.
  • the air conditioning system 100 of the present embodiment includes a blowout head 4, an air conditioner 1, and a bellows duct 2.
  • the bellows duct 2 connects the air conditioner 1 and the blowout head 4.
  • the bellows duct 2 and the opening 43b of the blowout head 4 are detachably connected to each other.
  • the conditioned air from the bellows duct 2 can be dispersed, and the conditioned air can be blown out from the ceiling of the space to be air-conditioned evenly and evenly to the target area like a shower.
  • the air conditioner system 100 of the present invention can be easily configured.
  • the air conditioning system 100 of the present embodiment includes a fixed ring 5.
  • the fixed ring 5 is formed in an annular shape and is used to fix the blowout head 4.
  • the top plate portion 42 is provided with head mounting portions 45 for attaching to the fixed ring 5 at a plurality of locations on the outer peripheral side of the top plate portion 42.
  • blowout head 4 can be easily attached.
  • FIG. 6 is a perspective view showing the configuration of the soft duct 6 included in the air conditioning system 100 of the modified example.
  • FIG. 7 is a perspective view showing a modified example of the soft duct 6.
  • the same reference numerals may be given to the same or similar members as those in the above-described embodiment, and the description may be omitted.
  • a soft duct 6 is used instead of the short pipe portion 3. That is, the soft duct 6 connects the bellows duct 2 and the blowout head 4. In this case, the bellows duct 2 and the soft duct 6 correspond to the flexible duct.
  • the soft duct 6 is not limited to this, and may be used instead of the bellows duct 2, for example.
  • the soft duct 6 connects the air conditioner 1 and the blowout head 4, and corresponds to a flexible duct.
  • the soft duct 6 constitutes a path through which the conditioned air flows from the bellows duct 2 (or the air conditioner 1) to the blowout head 4.
  • the soft duct 6 is formed of the same non-woven fabric as the blowout head 4. As a result, the soft duct 6 has the same excellent quality as the blowout head 4.
  • the soft duct 6 formed of the above-mentioned non-woven fabric can be quickly inflated like a paper balloon at the time of use, and can maintain a good inflated tubular shape. For example, even when an opening is formed at the tip of the duct and air flows into the duct toward the opening, the shape of the soft duct 6 (particularly the shape on the tip side that is easily deformed by the air flow) is maintained well. It can be blown in a stable state. As a result, buckling of the soft duct 6 can be suppressed, and friction loss of conditioned air can be reduced.
  • the non-woven fabric of the fabric of the soft duct 6 has a paper-like texture as described above, the inner wall of the soft duct 6 becomes smooth, and the friction loss of the conditioned air can be further reduced at the time of blowing air. .. By the test, it was confirmed that the soft duct 6 thus formed can reduce the friction loss to the same extent as the sheet metal spiral duct having the same shape.
  • the bending stiffness is smaller than 1 ⁇ 10 -5 N ⁇ m 2 , the duct will be more buckled and fluttered when air is flowed, and the air flow will be hindered.
  • the bending stiffness is 1 ⁇ 10 -3 N ⁇ m 2 or more, it becomes difficult to swell even if air is passed, and handling becomes difficult.
  • the non-woven fabric is configured so that the bending stiffness is 1 ⁇ 10 -5 N ⁇ m 2 or more and 1 ⁇ 10 -3 N ⁇ m 2 or less, the shape retention is better than before, but when folded, etc. Is prone to creases and wrinkles. Therefore, in the present embodiment, for example, a regular pattern of sashiko is printed on the sheet on the surface corresponding to the outer peripheral surface of the soft duct 6. With this pattern, it is possible to make the creases and the like inconspicuous in the appearance.
  • the first joint portion 31 and the second joint portion 32 which are similar to the short pipe portion 3, are provided on both sides of the soft duct 6 in the longitudinal direction.
  • the soft duct 6 is provided with a reinforcing portion 8.
  • the reinforcing portion 8 is formed in the shape of an elongated tape.
  • the reinforcing portion 8 is provided along the soft duct 6 so that its longitudinal direction coincides with the longitudinal direction of the soft duct 6.
  • the reinforcing portion 8 is located at the top of the soft duct 6.
  • the reinforcing portion 8 is formed to be harder and thicker than the non-woven fabric constituting the soft duct 6.
  • the reinforcing portion 8 is formed of, for example, a woven fabric in which a pair of woven fabrics having warp threads and weft threads are opposed to each other and are connected by the weft threads.
  • the reinforcing portion 8 is preferably formed of a woven fabric made of yarn having a certain hardness. As a result, the reinforcing portion 8 can have a constant hardness and can suppress deformation in the longitudinal direction to some extent.
  • the reinforcing portion 8 is fixed to the soft duct 6 by being sewn integrally with the soft duct 6, for example, when the soft duct 6 is formed. Thereby, the elongated shape of the soft duct 6 can be easily maintained.
  • the reinforcing portion 8 is formed with a mounting portion 80 for mounting the soft duct 6. As shown in FIG. 6, the mounting portion 80 is provided in the reinforcing portion 8 on the side opposite to the side fixed to the soft duct 6. The mounting portions 80 are provided at predetermined intervals in the longitudinal direction of the reinforcing portion 8. In this way, the reinforcing portion 8 (that is, the soft duct 6) can be attached to another member at a plurality of locations in the longitudinal direction of the reinforcing portion 8.
  • the mounting portion 80 is formed of a connecting thread 81 that is loosened so as to be curved at one end on one end in the width direction of the reinforcing portion 8.
  • the connecting yarn 81 passing through the tubular portion of the drawing formed from the above two woven fabrics and the weft yarn constituting the reinforcing portion 8 is partially formed. It is formed by being exposed to.
  • the attachment portion 80 can be attached to the ceiling of the space to be air-conditioned via the attachment portion 80 by the attachment string or the like (not shown).
  • the present invention is not limited to this, and for example, as shown in FIG. 6, by providing a rigid bar 82 so as to weave the mounting portion 80, the bar 82 is provided on both sides in the longitudinal direction via a mounting string or the like. It may be attached to the ceiling of the space to be air-conditioned.
  • the soft duct 6 is provided with a reinforcing portion 8.
  • the reinforcing portion 8 is formed along the longitudinal direction of the soft duct 6.
  • the reinforcing portion 8 is formed to be harder than the soft duct 6 and thicker than the soft duct 6.
  • the reinforcing portion 8 is located at the top of the soft duct 6 when the soft duct 6 is used.
  • the reinforcing portion 8 is formed with a plurality of mounting portions 80 arranged at equal intervals along the longitudinal direction thereof on the side opposite to the side fixed to the soft duct 6. Has been done.
  • the soft duct 6 can be easily attached.
  • the soft duct 6 of the present modification may be provided with the accommodating portion 60 shown in FIG. 7 instead of the reinforcing portion 8. Inside the accommodating portion 60, an elongated passage is formed along the longitudinal direction of the soft duct 6. Deformation of the soft duct 6 in the longitudinal direction can be suppressed by passing a strong elongated rod (not shown) or the like through the accommodating portion 60. Then, both ends of the bar (strength member) through which the accommodating portion 60 is passed are hung from the ceiling portion via a mounting string or the like. As a result, the soft duct 6 can be attached to the ceiling of the space to be air-conditioned.
  • the soft duct 6 is made of a non-woven fabric.
  • the bending stiffness of the non-woven fabric is 1 ⁇ 10 -5 N ⁇ m 2 or more and less than 1 ⁇ 10 -3 N ⁇ m 2.
  • the soft duct 6 can be bent, which facilitates storage and transportation, and also has a certain stiffness, so that the tubular shape for allowing air to flow can be well maintained during operation.
  • the soft duct 6 of this modified example may be composed of a straight pipe portion 6a and a bent pipe portion 6b.
  • the straight pipe portion 6a and the bent pipe portion 6b are connected to each other via, for example, a wire fastener 9.
  • the number of straight pipe portions 6a and curved pipe portions 6b constituting the soft duct 6 can be appropriately increased or decreased according to the path configuration of the conditioned air.
  • the contour shape of the blowout hole 41a and the peripheral wall blowout hole 43a can be formed into a polygonal shape, a star shape, a heart shape, or the like instead of a circular shape.
  • the bellows duct 2, the short pipe portion 3, and the soft duct 6 may be formed in a square tubular shape instead of a round pipe.
  • the reinforcing portion 8 may be provided only at a plurality of locations along the longitudinal direction of the soft duct 6 without being provided over the entire length of the soft duct 6.
  • connection between the soft duct 6 and the short pipe portion 3 (or the opening 43b) and the connection between the short pipe portion 3 and the opening 43b may be performed via a hook-and-loop fastener or the like instead of the wire fastener 9.
  • the top plate portion 42 swells on the opposite side of the peripheral wall portion 43 from the blowout portion 41 like the blowout portion 41. That is, when viewed in the radial direction of the blowout head 4, the top plate portion 42 has an arc shape that bulges upward (in the direction away from the blowout portion 41).
  • the top plate portion 42 When viewed in the axial direction of the blowout head 4 instead of the pocket-shaped storage portion 42a, the top plate portion 42 uses a plurality of strip-shaped non-woven fabrics provided along the strings parallel to each other on the spine.
  • the plate 44 may be fixed. In this case, both ends of each strip-shaped non-woven fabric are sewn integrally with the outer circumference of the top plate portion 42.
  • the head mounting portion 45 may use something like a belt or the like instead of the hook-and-loop fastener.
  • the fixed ring 5 may be provided with a fixed portion such as an annular shape or a hook shape for fixing the hanging strap.
  • the blowing head 4 may be used to blow out heating air or the like instead of cooling air.
  • Air conditioner Bellows duct (duct) 4 Blow-out head 41 Blow-out part 41a Blow-out hole 42 Top plate part (base plate part) 43 Peripheral wall 43a Peripheral wall outlet 43b Opening

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)
PCT/JP2021/003013 2020-02-02 2021-01-28 吹出しヘッド Ceased WO2021153664A1 (ja)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62106449U (https=) * 1985-12-24 1987-07-07
JP2001174035A (ja) * 1999-12-21 2001-06-29 Kyoritsu Air Tech Inc フレキシブルダクト
JP2006038265A (ja) * 2004-07-22 2006-02-09 Shinryo Corp フレキシブルダクト及び風量調節器
US20080176506A1 (en) * 2007-01-22 2008-07-24 Rite-Hite Holding Corporation Fabric diffuser with programmed airflow
JP2009275922A (ja) * 2008-05-12 2009-11-26 Arima Kogyosho:Kk 空気吹出装置
JP2010520436A (ja) * 2007-03-02 2010-06-10 ノートン，バート 気体拡散装置
WO2018140317A1 (en) * 2017-01-26 2018-08-02 Rite-Hite Holding Corporation Fabric air diffuser
WO2019020896A1 (fr) * 2017-07-28 2019-01-31 Aero Textile Concept Diffuseur d'air comprenant un panneau textile

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62106449U (https=) * 1985-12-24 1987-07-07
JP2001174035A (ja) * 1999-12-21 2001-06-29 Kyoritsu Air Tech Inc フレキシブルダクト
JP2006038265A (ja) * 2004-07-22 2006-02-09 Shinryo Corp フレキシブルダクト及び風量調節器
US20080176506A1 (en) * 2007-01-22 2008-07-24 Rite-Hite Holding Corporation Fabric diffuser with programmed airflow
JP2010520436A (ja) * 2007-03-02 2010-06-10 ノートン，バート 気体拡散装置
JP2009275922A (ja) * 2008-05-12 2009-11-26 Arima Kogyosho:Kk 空気吹出装置
WO2018140317A1 (en) * 2017-01-26 2018-08-02 Rite-Hite Holding Corporation Fabric air diffuser
WO2019020896A1 (fr) * 2017-07-28 2019-01-31 Aero Textile Concept Diffuseur d'air comprenant un panneau textile

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