WO2019230128A1 - Climatiseur intégré au plafond - Google Patents

Climatiseur intégré au plafond Download PDF

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Publication number
WO2019230128A1
WO2019230128A1 PCT/JP2019/010747 JP2019010747W WO2019230128A1 WO 2019230128 A1 WO2019230128 A1 WO 2019230128A1 JP 2019010747 W JP2019010747 W JP 2019010747W WO 2019230128 A1 WO2019230128 A1 WO 2019230128A1
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WO
WIPO (PCT)
Prior art keywords
air
unit
decorative panel
ceiling
blowing
Prior art date
Application number
PCT/JP2019/010747
Other languages
English (en)
Japanese (ja)
Inventor
洋史 中川
Original Assignee
株式会社富士通ゼネラル
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 株式会社富士通ゼネラル filed Critical 株式会社富士通ゼネラル
Priority to US17/059,715 priority Critical patent/US20210207818A1/en
Priority to AU2019278063A priority patent/AU2019278063A1/en
Priority to CN201980036247.XA priority patent/CN112204316B/zh
Priority to EP19811986.9A priority patent/EP3805659A4/fr
Publication of WO2019230128A1 publication Critical patent/WO2019230128A1/fr

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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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • 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
    • F24F13/065—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as cylindrical or spherical bodies which are rotatable
    • 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
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/14—Details or features not otherwise provided for mounted on the ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/26—Details or features not otherwise provided for improving the aesthetic appearance

Definitions

  • the present invention relates to a ceiling-embedded air conditioner, and more particularly to the structure of an indoor unit.
  • an outdoor unit installed outdoors and an indoor unit installed behind the ceiling of an air conditioning room are connected by a gas pipe and a liquid pipe to form a refrigerant circuit.
  • the indoor unit has a box-shaped main body unit embedded in the back of the ceiling, and a decorative panel that is disposed on the ceiling air conditioning room side and is attached to the main body unit.
  • a U-shaped heat exchanger in the main unit a fan casing in the center of the heat exchanger, and a blower fan formed by a sirocco fan surrounded by the fan casing Is provided.
  • a suction port is formed in the center along three sides below the blower outlet and the heat exchanger.
  • an object of the present invention is to provide a ceiling-embedded air conditioner having an air blowing part capable of blowing conditioned air over a wider range.
  • the present invention includes a box-shaped main body unit that includes a blower and a heat exchanger inside and is disposed behind the ceiling of the air conditioning room, and the main body unit extends along the ceiling surface of the air conditioning room.
  • the ceiling-embedded air conditioner that includes a decorative panel attached to the bottom surface of the ceiling panel, and is provided with an air suction part and an air blowing part on the decorative panel.
  • the air blowing section rotates around an axis orthogonal to a virtual plane on the back surface side of the decorative panel parallel to the bottom surface of the main body unit, and sends conditioned air sent from the blower along the panel surface of the decorative panel.
  • a movable blowout portion having a rotating unit that blows out is provided on the decorative panel side.
  • the rotating unit presents a truncated cone projecting from the panel surface of the decorative panel toward the air conditioning chamber, and air blows the air sent from the blower along the panel surface to the side surface of the truncated cone.
  • An outlet is preferably formed.
  • the air blowing part further includes a fixed blowing part that blows conditioned air sent from the blower toward the specified side of the decorative panel on the decorative panel side, and the fixed blowing.
  • the movable blowing part is arranged adjacent to the part.
  • conditioned air can be blown out over a wider range.
  • FIG. 3 is a schematic sectional view taken along line AA in FIG. 2.
  • FIG. 5 is a schematic sectional view taken along the line CC of FIG. 4.
  • FIG. 3 is a schematic sectional view taken along line BB in FIG. 2.
  • FIG. 5 is a schematic cross-sectional view along the line DD in FIG. 4.
  • FIG. 3 is a perspective sectional view taken along line BB in FIG. 2.
  • FIG. 1 The perspective view which isolate
  • FIG. 1 The perspective view which shows the packing state of a decorative panel.
  • the perspective view of FIG. The perspective view which shows the partition plate unit attached to the back surface side of a decorative panel.
  • the disassembled perspective view which shows the frame which supports a partition plate unit (b) The perspective view which shows the state which has arrange
  • the perspective view which shows the rotation unit to which the rotation ring was attached.
  • Sectional drawing which shows the state in which the stable seat was attached.
  • the perspective view which shows the protrusion piece for the vertical backlash of a rotation ring.
  • the perspective view which shows the back surface side of a duct cover.
  • Sectional drawing explaining the function with the horizontal play of the rotation ring by a protrusion.
  • the bottom view which shows a rotation ring.
  • Sectional drawing which shows the outer flange of the rotation ring to which the seal was attached.
  • the perspective view which shows the improved fan unit.
  • the top view which shows the said fan unit.
  • an outdoor unit (not shown) installed outdoors and an indoor unit 1 attached to the ceiling T1 of the air conditioning room R are connected by a gas pipe and a liquid pipe (both not shown), and a refrigerant circuit.
  • the indoor unit 1 which concerns on this embodiment is arrange
  • the main unit 10 has a box-shaped outer body 11 formed of a rectangular top plate 111 made of sheet metal and side plates 112 and 113 extending downward from four sides of the top plate 111.
  • the top plate 111 has a long side plate as a side plate 112 and a short side plate as a side plate 113, and two mounting brackets 12 are fixed to the two side plates 113 facing each other.
  • the main unit 10 is installed on the ceiling T2 by hanging the mounting bracket 12 with a plurality of suspension bolts (not shown) fixed to the ceiling T2.
  • the decorative panel 70 is a panel portion 71 that forms the main body of the rectangular decorative panel 70 that is larger than the top plate 111, and the box-shaped outer cylinder 11 that is erected from the back surface 70 ⁇ / b> R of the panel portion 71 toward the main body unit 10.
  • the side wall portion 72 is attached to the bottom surface (the bottom surface 101 of the main body unit 10) in accordance with the size.
  • the panel portion 71 includes an air suction portion 73 that is squarely opened on the one side 70b side that exists behind the long side facing each other, and an air blowing portion on the other side 70a side that exists in front of the long side that faces the one side 70b. 74 is provided.
  • the top plate 111 direction is the upper surface or upper direction
  • the air conditioning room R direction is the bottom surface or lower side
  • the air blowing part 74 side is the front or front
  • the air suction part 73 side is the rear side or rear
  • the short side 70c side is the left side or the left side
  • the right short side 70d side is the right side or the right side. The same applies to each part.
  • the side wall 72 includes an air suction portion 73 and an air outlet formed in a square shape along each side (long side 70a, 70b, short side 70c, 70d) of the panel portion 71.
  • Both the frame 721 and the beam 722 are made of sheet metal, and the beam 722 is disposed on a partition portion 713 formed between the air suction portion 73 and the air blowing portion 74 of the panel portion 71.
  • the beam 722 is pressed by the projecting piece on the packing material side, so that it is possible to prevent damage due to an impact such as dropping. Become. Further, by providing the beam 722, a structure that can withstand a load applied in a direction parallel to the panel surface 70S of the decorative panel 70 is obtained.
  • the beam 722 may be bridged between the long sides 70a and 70b of the frame 721 depending on the shape and arrangement of the air suction part 73, the air blowing part 74, and the like.
  • a heat insulating material 13 formed of a thick polystyrene foam is provided on the inner surface of the top plate 111 of the outer cylinder 11.
  • the inner surface of the side plates 112 and 113 of the outer body 11 may be provided with a thin heat insulating sheet (not shown) without providing the heat insulating material 13.
  • the center of the heat insulating material 13 is opened, and a part of the top plate 111 is exposed when viewed from below.
  • the heat exchanger 20 and the fan unit 30 are fixed to this exposed portion of the top plate 111.
  • an electrical component box 14 that houses electrical components (not shown) for controlling the indoor unit 1 is attached to the outer surface of the right side surface of the outer trunk 11.
  • the heat exchanger 20 is a fin tube type formed by a plurality of strip-shaped aluminum fins 23 arranged in parallel and a plurality of heat transfer tubes 22 penetrating the aluminum fins 23, and two heat exchanges separated from each other.
  • 4 includes two heat exchanging units, a left front heat exchanging unit (first heat exchanging unit) 20L in FIG. 4 and a right rear heat exchanging unit (second heat exchanging unit) 20R in FIG. .
  • the front heat exchange part 20L and the rear heat exchange part 20R are attached to the top plate 111 so as to face each other.
  • the front heat exchanging part 20L and the rear heat exchanging part 20R may be arranged substantially parallel to each other so as to be substantially perpendicular to the top plate 111.
  • the distance (distance) on the upper end side is combined in an inverted C shape that is wider (longer) than the distance (distance) on the lower end side.
  • the upper end side interval (distance) may be narrower (shorter) than the lower end side interval (distance).
  • the left and right ends of the front heat exchanging portion 20L and the rear heat exchanging portion 20R are connected by connecting plates 21 and 21, respectively.
  • the space inside the heat exchanger 20 becomes the blower chamber F in which both left and right ends are closed by the connecting plates 21 and 21.
  • the bottom surface of the heat exchanger 20 (the surface between the lower ends of the front heat exchange unit 20L and the rear heat exchange unit 20R) is closed by a drain pan 40 described later.
  • a first air suction chamber S1 is provided between the outer cylinder 11 and the rear heat exchange part 20R in the interval between the heat exchanger 20 and the outer cylinder 11, and between the outer cylinder 11 and the front heat exchange part 20L.
  • a second air suction chamber S2 is provided therebetween.
  • the first air suction chamber S1 is disposed immediately above the air suction portion 73, and the second air suction chamber S2 communicates with the air suction portion 73 via an air guide path L described later.
  • the fan unit 30 is disposed in the blower chamber F provided inside the heat exchanger 20.
  • the fan unit 30 includes a sirocco fan type blower fan 31, a fan motor 36, a fan mounting base 311 (see FIG. 3) for supporting the blower fan 31 and fixing it to the top plate 111, and fixing the fan motor 36 to the top plate 111.
  • a motor mount 361 (see FIG. 3).
  • the blower fan 31 includes a cylindrical impeller (sirocco fan) 32 having a plurality of blades, a spiral fan casing 34 that houses the impeller 32, and a rotating shaft 35 that is coupled to the center of the impeller 32.
  • a cylindrical impeller (sirocco fan) 32 having a plurality of blades
  • a spiral fan casing 34 that houses the impeller 32
  • a rotating shaft 35 that is coupled to the center of the impeller 32.
  • the number of the blower fans 31 is arbitrarily selected according to the required air conditioning capacity. In this embodiment, four fans are arranged side by side on the same axis. In addition, each ventilation fan 31 has the same structure.
  • the fan unit 30 After the fan motor 36 is fixed to the top plate 111 with the motor mount 361, two fan fans 31 are connected to each other at both ends of the fan motor 36 by the rotation shaft 35. Both ends of the rotating shaft 35 are fixed to the top plate 111 via a bearing plate (not shown) made of, for example, an L-shaped bracket. Further, a fan fixing portion 341 (see FIG. 4) is also provided on the upper portion of the fan casing 34, and this is fixed to the top plate 111 with screws.
  • the fan casing 34 includes a housing portion 342 that houses the impeller 32, and a cylindrical air blowing portion 343 that is continuously extended from the housing portion 342 and extends downward from the lower end of the heat exchanger 20.
  • a fan suction port 344 for taking air into the impeller 32 is opened in a circular shape on the side surface of the housing portion 342.
  • the fan casing 34 may be formed by dividing it vertically into a plane parallel to the axis of the impeller 32 so that the impeller 32 can be accommodated therein, or left and right on a plane perpendicular to the axis of the impeller 32. You may divide and form.
  • the accommodating part 342 and the ventilation part 343 become the ventilation path 33 of the blowing air H continuously.
  • the fan unit 30 is disposed with the internal space surrounded by the heat exchanger 20 as the blower chamber F, when the impeller 32 of the blower fan 31 rotates, the blower chamber The inside of F becomes negative pressure, and the air from the air suction part 73 enters the blower chamber F through the front heat exchange part 20L and the rear heat exchange part 20R, and is sucked into the fan suction port 344 and around the impeller 32 The discharged air is blown out in one direction along the air blowing path 33 in the fan casing 34 and blown out from the air blowing portion 74 to the air conditioning room R.
  • a drain pan 40 that receives drain water generated in the heat exchanger 20 is provided at the lower end of the heat exchanger 20.
  • the drain pan 40 is formed by integrally molding a heat insulating member 41 made of styrene foam and a resin drain sheet 42 provided on a surface facing the heat exchanger 20.
  • the drain pan 40 is formed in a rectangular shape having a size that covers the opening surface on the lower end side of the heat exchanger 20, and is also a partition plate that partitions the blower chamber F and the air guide path L described later.
  • the drain pan 40 is provided with ventilation holes 43 for the number of the blower fans 31 (four in this embodiment) into which the blower 343 having the cylindrical shape of the fan unit 30 is fitted.
  • the heat exchanger 20 has the front heat exchanging part 20L and the rear heat exchanging part 20R arranged in an inverted C shape, and the bottom surface is narrower than the upper surface.
  • the area occupied by the drain pan 40 in the main body unit 10 is reduced, the ventilation resistance by the drain pan 40 is reduced, the ventilation area around the drain pan 40 is expanded, and the ventilation efficiency is improved.
  • a drainage 45 is provided on the drain sheet 42 side of the drain pan 40 to receive drain water generated by the heat exchanger 20.
  • the dew condensation water generated on the outer surface side of the fan casing 34 during the cooling operation is received by the drain pan 40, it is preferable to perform waterproofing around the ventilation holes 43.
  • the drain pan 40 may be provided with a drain pump for draining drain water, a drain hose, a float switch for controlling on / off of the drain pump, and the like.
  • the configuration of the decorative panel 70 will be described with reference to FIGS. 11 to 13.
  • the decorative panel 70 includes an air blowing portion 74 on one long side 70a side, and an air suction portion 73 on the other long side 70b side.
  • the air blowing portion 74 is a panel portion 71. Is formed as a raised portion 740 that is raised in a trapezoidal cross section toward the air conditioning room R side along the long side 70a.
  • the raised portion 740 is an oval that is a rounded rectangle composed of two equal-length parallel lines and two semicircles, and the side surface (circumferential surface) has an inclined surface.
  • the air blowing part 74 has a fixed blowing part 75 at the center of the raised part 740, and has movable blowing parts 77L and 77R on both the left and right sides.
  • the movable blowing portions 77 are collectively referred to as a movable blowing portion 77.
  • the movable blowing portion 77 ⁇ / b> L rotates within a predetermined angle range about an axis perpendicular to the virtual plane on the back surface 70 ⁇ / b> R side of the decorative panel 70 parallel to the bottom surface 101 of the main body unit 10.
  • a frustoconical rotation unit 78L is provided.
  • the movable blowout portion 77R is a truncated cone-shaped rotation unit 78R that rotates within a predetermined angle range about an axis that is orthogonal to a virtual plane on the back surface 70R side of the decorative panel 70 that is parallel to the bottom surface 101 of the main unit 10. have.
  • the virtual plane on the back surface 70R side of the decorative panel 70 is also parallel to the ceiling surface T1 of the air conditioning room R.
  • the top surface (bottom surface) 751 of the fixed outlet 75 and the top surface (bottom surface) 781 of the rotating unit 78 are always present on the same plane even when the rotating unit 78 is rotated.
  • the design is improved.
  • the fixed air outlet 75 has a trapezoidal cross section, and a first air outlet 754 is opened on the side of the front long side (specific side) 70a toward the long side 70a.
  • a left and right wind direction plate 752 (see FIG. 15) is provided inside, and an up and down wind direction plate 753 is provided on the opening surface of the first air outlet 754.
  • the movable outlet 77 has a second air outlet 783 in a part of the side surface of the rotary unit 78, and a vertical air direction plate 782 is provided at the second air outlet 783. Since the wind direction in the left-right direction is changed by the rotation of the rotation unit 78, the left and right wind direction plates are not necessary for the movable blowing portion 77.
  • the first air outlet 754 of the fixed outlet 75 and the second air outlet 783 of the movable outlet 77 have the same inclination angle in order to give these air outlets 754 and 783 a sense of design uniformity. It is opened along the side surface.
  • the air blowing direction of the fixed blowing portion 75 is the long side 70a direction, while the movable blowing portion 77 has a first position where the second air blowing port 783 faces the long side 70a and the first side where the second air blowing port 783 faces the short sides 70c and 70d. It rotates between two positions, and the conditioned air sent from the blower fan 31 is blown out in a predetermined direction within this rotation range.
  • the first air outlet 754 and the second air outlet 783 are arranged in a straight line.
  • the dummy flap 791 is also disposed on the same inclined surface as the first air outlet 754 and the second air outlet 783.
  • the indoor unit 1 is an omnidirectional (multidirectional) blowing type capable of blowing conditioned air in all directions except the direction of the long side 70b on the rear side. .
  • the first air outlet 754 of the fixed outlet 75 and the second air outlet 783 of the movable outlet 77 are raised in a trapezoidal cross section with a part of the panel portion 71 facing the air conditioning room R side. It is formed in the side surface of the raised part 740 made to do, and, thereby, conditioned air is blown off from the 1st air blower outlet 754 and the 2nd air blower outlet 783 in the substantially horizontal direction along the panel surface 70S of the decorative panel 70. Therefore, the conditioned air can be spread farther.
  • conditioned air is blown out simultaneously from the first air outlet 754 and the second air outlet 783, but the air flow blown out from the first air outlet 754 and the air blown out from the second air outlet 783. It is difficult for a boundary to form between the air flow and the air conditioning room R can be harmonized uniformly.
  • the 1st air blower outlet 754 and the 2nd air blower outlet 783 may be opened in the vertical surface orthogonal to the panel surface (or ceiling surface) of the decorative panel 70.
  • the fixed blowing part 75 and the left and right movable blowing parts 77 are housed in the oval raised part 740, but the movable blowing part 77 is parallel to the bottom surface 101 of the main unit 10.
  • the movable blowout portions 77 may be simply arranged on both sides of the fixed blowout portion 75 without being restricted by the appearance. Such an embodiment is also included in the present invention.
  • the partition plate unit 50 shown in FIG. 14 is attached to the back surface 70R side of the decorative panel 70.
  • the partition plate unit 50 has four ventilation holes 43 (43a to 43a) formed in the drain pan 40 on the upper surface side (the surface side facing the drain pan 40). 43d (see FIG. 9), and four ducts 51 (51a to 51d) communicating with the air blowing portion 343 of the fan unit 30 are provided.
  • the ventilation holes 43 (43a to 43d) are square holes, and the ducts 51 (51a to 51d) fitted therein are rectangular tubes (square tubes), and these ducts 51 (51a to 51d). ) Extends to the back surface 70R of the decorative panel 70 as a rectangular tube.
  • the two inner ducts 51a and 51b are fitted into the corresponding ventilation holes 43a and 43b, respectively, and the two ducts 51c and 51d arranged on the outer side are fitted into the corresponding ventilation holes 43a and 43b, respectively.
  • the ducts 51a and 51b are ducts for the fixed blow-out portion 75. As shown in FIG. 15, a center having one chamber 751a allocated across the ducts 51a and 51b on the lower surface side of the partition plate unit 50. A blowout unit 751 is attached.
  • left and right wind direction plates 752 are provided in the chamber 751a.
  • the 1st air blower outlet 754 is formed in the front side of the center blowing unit 751, and the up-down wind direction board 753 is provided in it.
  • a motor for driving the left and right airflow direction plates 752 is disposed on the rear surface of the chamber 751a, and a motor for driving the upper and lower airflow direction plates 754 is disposed beside the first air outlet 754.
  • the outer ducts 51c and 51d are ducts for the movable outlet 77, and as shown in FIG. 16, a rotary unit 78L provided in the left movable outlet 77L is rotatably attached to the lower end of the left duct 51c. In addition, a rotation unit 78R provided in the right movable blowout portion 77R is rotatably attached to the lower end of the right duct 51d.
  • Rotation units 78L and 78R are both driven by a motor.
  • the motor for driving the rotating unit 78 is disposed in a motor cover 512 shown beside the outer ducts 51c and 51d in FIG.
  • each of the rotation units 78L and 78R can be rotated from the first position to a position of 90 ° or more, for example, 100 °, for example, as the second position.
  • a short circuit phenomenon occurs in which air is sucked into the air suction portion 73 without going to the air conditioning room R.
  • a wall 711 is provided between the rotating unit 78 and the air suction portion 73 with reference to FIGS. 11 to 13.
  • the wall 711 is a top surface of the rotation unit 78 with a part around the rotation unit 78 of the panel portion 71 facing the rotation units 78L and 78R and the air suction portion 73 from the short sides 70c and 70d side. It is formed in the shape of a slope that rises to the height of 781 or the height of the air suction portion 73. In FIG. 11 thru
  • the wall 711 not only prevents the short circuit phenomenon, but also functions as an airflow guide surface that allows the blown air to reach far away by providing the slope surface 712.
  • air blown out from the first air outlet 754 and the second air outlet 783 flows along the panel surface of the decorative panel 70.
  • the remaining panel surface 70S except for the slope surface 712 of the wall 711 acts as an air flow guide surface.
  • the decorative panel 70 is attached to the main unit 10 by fitting the side wall 72 into the bottom opening of the main unit 10 and screwing.
  • the air suction portion 73 is disposed on the first air suction chamber S1 side, and at the time of this assembly, as shown by the arrow in FIG. 6, the bottom surface 40R of the drain pan 40 (see FIGS. 3 and 9)
  • a wind guide path L is formed between the back surface 70R of the decorative panel 70 and leads a part of the air sucked from the air suction portion 73 to the second air suction chamber S2.
  • the air toward the second air suction chamber S2 passes between the ducts 51 and 51, but in order to secure a larger amount of ventilation, as shown in FIG.
  • a recess 46 is formed on the bottom surface 40R of the drain pan 40 corresponding to the above to enlarge the cross-sectional area of the ventilation path L.
  • the decorative panel 70 is provided with a raised portion 740 including a fixed blowing portion 75 and a movable blowing portion 77, and is fixed to the side surface of the raised portion 740.
  • a larger air guide path L is secured between the drain pan 40 and the decorative panel 70. be able to.
  • the air suction portion 73 is disposed above the raised portion 740 so as to be included in the panel surface 70S of the decorative panel 70 when viewed from the inside of the air conditioning room R.
  • the air suction portion 73 is positioned closer to the air guide path L, and a part of the air sucked from the air suction portion 73 is moved to the second air suction chamber S2 side through the air guide path L. It becomes easier to face.
  • the top plate 111 side of the outer body 11 is placed on an assembly table, and the heat insulating material 13 is fitted inside the outer body 11. Then, a gas connection pipe and a liquid connection pipe (both not shown) of the assembled heat exchanger 20 (a heat exchanger in which the front heat exchange part 20L and the rear heat exchange part 20R are connected by the connection plate 21) are pulled out from the side plate 113. As a state, the heat exchanger 20 is fixed to the top plate 111 via a predetermined fixture (not shown). Thereafter, the assembled fan unit 30 is arranged in the blower chamber F in the heat exchanger 20 and fixed to the top plate 111 via the motor mounting base 361 and the fan fixing portion 341.
  • the flange 45 on the drain sheet 42 side of the drain pan 40 is fitted into the bottom surface of the outer body 11 in accordance with the lower ends of the heat exchange portions 20L and 20R.
  • the air blowing part 343 of the fan casing 34 is fitted into the ventilation hole 43 of the drain pan 40.
  • the main unit 10 assembled as described above and the decorative panel 70 are individually packed and transported to the installation site.
  • the main unit 10 is installed on the ceiling T2 by being suspended by a plurality of suspension bolts previously embedded in the ceiling T2.
  • the decorative panel 70 is attached from the air conditioning room R side.
  • the duct 51 of the partition plate unit 50 is connected to the blower 343 of the fan casing 34 through the ventilation hole 43 of the drain pan 40.
  • the indoor unit 1 can be operated by connecting the refrigerant pipe, the power supply line, and the signal line to the outdoor unit.
  • the rotation units 78L and 78R of the movable outlets 77L and 77R have the second air outlet 783 as the first air of the fixed outlet 75 as an initial position. It faces in the same direction as the air outlet 754 (long side 70a side) (first position), and the first air outlet 754 and the second air outlet 783 are both closed by vertical air direction plates 782 and 753.
  • the compressor and fan motor (not shown) of the outdoor unit and the fan motor 36 of the indoor unit 1 start operation in response to a user's command from a remote controller (not shown) or an air conditioning system command.
  • the blower fan 31 In the indoor unit 1, the blower fan 31 is rotated by the operation of the fan motor 36. The air in the blower section 343 of the blower fan 31 is blown out by the rotation of the blower fan 31, so that the blower chamber F has a negative pressure, and the air suction section 73 provided in the decorative panel 70 has a negative pressure inside the air conditioning room R. Air K is inhaled.
  • the air K sucked from the air suction portion 73 flows into the first air suction chamber S1 and also flows into the second air suction chamber S2 through the air guide path L.
  • the air in the first air suction chamber S1 passes through the rear heat exchanging section 20R, exchanges heat with the refrigerant, and enters the blower chamber F.
  • the air in the second air suction chamber S2 passes through the front heat exchange unit 20L, exchanges heat with the refrigerant, and enters the blower chamber F.
  • the air harmonized in this way is sent from the blower 343 of the fan casing 34 to the fixed blower 75 and the movable blower 77 of the decorative panel 70 through the duct 51 by the rotation of the blower fan 31.
  • the conditioned air sent to the fixed outlet 75 is blown out from the first air outlet 754 in the direction guided by the left and right wind direction plates 752 and the upper and lower wind direction plates 753.
  • the conditioned air sent to the movable blowing part 77 is blown out in the direction of rotation of the rotating unit 78 and the direction guided by the up-and-down air direction plate 782.
  • the conditioned air is supplied in multiple directions excluding the direction of the long side 70b on the rear side where the air suction portion 73 is located, as required by the user. Can do.
  • the indoor unit 1 includes the partition plate unit 50 shown in FIG. 14 on the back surface 70R of the decorative panel 70 as described above.
  • the partition plate unit 50 is attached to the air blowing portion 74 of the decorative panel 70, but is large and heavy because the fixed blowing portion 75 and the movable blowing portion 77 are provided.
  • the frame 721 described with reference to FIG. 10 is provided on the back surface of the decorative panel 70 with the intention of preventing damage due to an impact such as dropping, but here, as shown in FIG. 17, the back surface 70R side of the decorative panel 70 is provided.
  • a frame 760 for supporting the partition unit 50 is provided.
  • the frame 760 is a main frame having long side frames 761 and 762 arranged along the long sides 70a and 70b of the decorative panel 70, and both ends of the long side frames 761 and 762, respectively.
  • the short side frames 763 and 764 are provided along the short sides 70c and 70d of the decorative panel 70.
  • Two beams 765 and 766 are bridged between the short side frame 763 and the short side frame 764.
  • the long side frames 761 and 762, the short side frames 763 and 764, and the beams 765 and 766 are preferably made of sheet metal.
  • the partition panel unit 50 is attached to the decorative panel 70 so that the fixed blowing part 75 and the movable blowing part 77 protrude to the air conditioning room R side to form the air blowing part 74.
  • An opening 74 a is formed along the long side 70 a of the decorative panel 70.
  • the beams 765 and 766 are respectively arranged on the long side of the opening 74 a where the air blowing portion 74 is provided, and the partition plate unit 50 is supported by the beams 765 and 766 on the back surface 70 ⁇ / b> R side of the decorative panel 70.
  • the partition unit 50 has a frame 760 such that the front edge 50a, the right edge 50b, and the left edge 50c are surrounded by the front long side frame 761 and the left and right short side frames 763, 764. It is mounted on the back surface 70 ⁇ / b> R of the decorative panel 70 in a state of being fitted inside. As a result, the beams 765 and 766 are sandwiched between the partition plate unit 50 and the back surface 70 ⁇ / b> R of the decorative panel 70.
  • the partition plate unit 50 can be mounted on the back surface of the decorative panel 70 without giving deformation or distortion to the decorative panel 70.
  • the fan unit 30 and the rotation unit 78 (78L, 78R) are connected through the partition plate unit 50 so that air can flow.
  • the unit 50 is provided with driving means 600 for rotating the rotating unit 78.
  • the driving means 600 is provided in each of the rotation units 78L and 78R, but the configuration is the same.
  • the driving means 600 includes an annular rotating ring 610 that is integrally connected to the upper portion of the rotating unit 78, and a motor unit 650 that rotates the rotating ring 610.
  • the rotating ring 610 has a cylindrical portion 611, and rack teeth 613 are formed on the outer periphery of the cylindrical portion 611 along the outer peripheral arc surface.
  • the rack teeth 613 may be formed over the entire circumference of the cylindrical portion 611, but may be formed in a range that realizes at least the rotation range of the rotation unit 78 (the range between the first position and the second position described above). .
  • a flange 614 is formed concentrically on the outer periphery of the cylindrical portion 611 toward the radially outer side.
  • this flange 614 is referred to as an outer flange.
  • a vent hole 612 communicating with the duct 51 (51c, 51d) for the movable blowing portion is formed in a square shape.
  • the motor unit 650 includes a motor (preferably a stepping motor) 651 capable of normal rotation and reverse rotation, a pinion gear 652 attached to the output shaft 651a, and a mount 653 for attachment.
  • the pinion gear 652 is attached to a predetermined portion of the duct cover 630 described later so as to mesh with the rack teeth 613 of the rotating ring 610.
  • circular openings 520 into which the rotating ring 610 is fitted are formed on both sides of the partition plate unit 50.
  • a flange 521 is formed concentrically on the inner periphery of the opening 520 toward the inside in the radial direction.
  • this flange 521 is referred to as an inner flange.
  • the outer flange 614 When the rotating ring 610 is fitted into the opening 520, the outer flange 614 is disposed on the inner flange 521, and the outer flange 614 slides on the inner flange 521 as the rotating ring 610 rotates.
  • the outer flange 614 and the inner flange 521 function as a kind of thrust bearing that receives the axial load of the rotating body.
  • a duct cover 630 is put over to hold the rotating ring 610.
  • Duct cover 630 is screwed to partition plate unit 50.
  • duct 51 (51c, 51d) connected to ventilation hole 43 formed in drain pan 40 is formed in duct cover 630.
  • the duct cover 630 is formed with a pedestal 631 to which the motor unit 650 is attached.
  • an annular guide groove 635 into which the cylindrical portion 611 of the rotating ring 610 is fitted is formed on the back surface 630R of the duct cover 630.
  • the circular portion surrounded by the guide groove 635 on the back surface 630R of the duct cover 630 has a slightly lower height than the edge 630a of the duct cover 630 in FIG. 27 (a slightly higher height than the edge 630a in the sectional view of FIG. 28). ) Of the inner bottom surface 633.
  • the ventilation area (area of the cross section) gradually increases from the upper surface of the duct cover 630 toward the inner bottom surface 633.
  • the rotation ring 610 rotates along the circumscribed circle of the duct 51 on the inner bottom surface 633 side.
  • connection part (connection part) of the rotating ring 610 and the duct 51 can be reduced in size.
  • the rotating ring 610 may not be in contact with the four vertices of the duct 51.
  • the rotating ring 610 has a large circular shape that is in contact with two adjacent vertices of the duct 51 on the inner bottom surface 633 side. You may make it rotate, without reducing an area (without blocking a part of duct).
  • the duct cover 630 is further covered with the exterior cover 640.
  • the outer cover 640 is slightly larger than the duct cover 630, but may be omitted in some cases.
  • the backlash includes a backlash in the horizontal direction (radial direction) and a backlash in the vertical direction (axial direction).
  • a stabilizing seat 523 shown in FIG. 24 is used to prevent lateral (radial) backlash.
  • the stable seat 523 has a planar seat portion 524 and a side wall portion 525 that rises substantially vertically from one end of the seat portion 524, and an elastically deformable mounting leg that is slit at the bottom of the seat portion 524. 526 is provided.
  • the side wall portion 525 is formed with an arcuate surface 525 a along the outer peripheral edge 614 a of the outer flange 614.
  • Stabilization seat 523 is preferably formed of a low friction resin such as polyacetal (POM), and in this example, as shown in FIG. As another example, it may be provided at three positions at intervals of 120 °. Moreover, when the length of the stable seat 523 (the length along the circumferential direction of the inner flange 521) is long, it may be arranged at two locations.
  • POM polyacetal
  • the stable seat 523 is attached to the inner flange 521 along the outer peripheral edge 614a of the outer flange 614 of the rotating ring 610.
  • To attach the stable seat 523 as shown in FIG. 522 may be formed, and the mounting leg 526 may be pushed into the engagement hole 522 while being elastically deformed.
  • a projecting piece 616 is provided inside the cylindrical body 611 of the rotating ring 610.
  • the vent hole 612 formed in the cylindrical portion 611 has a quadrangular shape, and therefore the inner wall 617 that forms each side of the quadrangle exists in the cylindrical portion 611.
  • the projecting piece 616 is erected on the inner wall 617.
  • the position of the projecting piece 616 is a position where it can contact the inner bottom surface 633 on the back surface 630R of the duct cover 630 shown in FIG.
  • the inner bottom surface 633 is disposed along three sides of the rectangular opening of the duct 51, whereas, as shown in FIG. 21, the projecting pieces 616 are provided at four positions at intervals of 90 °. Is provided.
  • the contact area per protrusion piece 616 with respect to the inner bottom surface 633 is as small as possible.
  • the protruding height of the projecting piece 616 is set to a height at which the tip of the projecting piece 616 comes into contact with the inner bottom surface 633 when the rotating ring 610 is covered with the duct cover 630.
  • the vertical direction (axial direction) of the rotating ring 610 is loose. Can be prevented.
  • the rotating ring 610 is rotated in the opening 520 of the partition unit 50 by the motor 651, but wind leakage from the gap between the inner flange 521 on the opening 520 side and the outer flange 614 on the rotating ring 610 side. It is necessary to take preventive measures and prevent condensation particularly during cooling operation.
  • a sealing material 618 is provided on the inner surface of the outer flange 614 (the surface facing the inner flange 521).
  • the sealing material 618 only needs to have appropriate elasticity and heat insulation properties.
  • a fiber made of polyacetal in many cases, short
  • a tape or sheet in which the fiber) is planted on a tape-like or sheet-like substrate is preferably employed.
  • the clearance between the inner flange 521 and the outer flange 614 can be substantially 0 to 0.5 mm to prevent wind leakage. Moreover, it can be set as the structure which condensation does not generate
  • bosses 619 used for connecting the rotation unit 78 are provided at a plurality of locations on the back surface 610R side of the rotation ring 610.
  • the blower fan 31 is fixed to the top plate 111 of the outer body 11 via the fan mounting base 311 provided in the fan casing 34, and the fan motor 36. Also, the motor is fixed to the top plate 111 of the outer body 11 via the motor mounting base 361. Therefore, the number of parts used is large, and high accuracy is required for positioning the blower fan 31 and the fan motor 36.
  • a sirocco fan is preferably used as the blower fan 31, and the fan motor 36 is also used as it is without any particular change.
  • the fan casing 34 of the blower fan 31 is divided into two parts, a casing lower part 371 and a casing upper part 372 made of a synthetic resin material.
  • a base 373 is integrally formed.
  • the bearing part for supporting the blower fan 31 in the casing lower part 371 and the bearing part for supporting the fan motor 36 in the motor mounting base 373 are pre-centered when the motor mounting base 373 is integrally formed in the casing lower part 371. It has been put out.
  • the casing upper portion 372 may be fixed to the casing lower portion 371 by a locking tool 374 such as a snap lock.
  • the blower fan 31 and the fan motor 36 are connected in advance, the casing upper portion 372 is opened, the blower fan 31 is accommodated in the casing lower portion 371, and the fan motor 36 is set on the motor mount 373. What is necessary is just to position (centering) the blower fan 31 and the fan motor 36 easily.
  • this fan unit 30A is unitized by the minimum unit, what is necessary is just to select the number of units to be used according to the blowing air volume requested

Abstract

Le problème décrit par la présente invention est de permettre un soufflage d'air climatisé sur une zone plus large. La solution selon la présente invention comprend une unité tournante (78) en tant que partie de soufflage d'air, pouvant tourner autour d'un axe perpendiculaire à un plan virtuel du côté face arrière d'un panneau décoratif parallèle à la surface inférieure d'une unité corps, et servant à souffler de l'air climatisé, distribué par une soufflante (31), dans une direction prédéfinie. L'unité tournante (78) comporte de préférence un cône tronqué faisant saillie vers un espace à climatiser à partir de la face du panneau décoratif, et une sortie de soufflage d'air (783), destinée à souffler l'air climatisé distribué par la soufflante (31) le long de la face du panneau, est formée dans une partie d'une surface latérale du cône tronqué.
PCT/JP2019/010747 2018-05-31 2019-03-15 Climatiseur intégré au plafond WO2019230128A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US17/059,715 US20210207818A1 (en) 2018-05-31 2019-03-15 Ceiling-embedded air conditioner
AU2019278063A AU2019278063A1 (en) 2018-05-31 2019-03-15 Ceiling-embedded air conditioner
CN201980036247.XA CN112204316B (zh) 2018-05-31 2019-03-15 顶棚埋入式空调机
EP19811986.9A EP3805659A4 (fr) 2018-05-31 2019-03-15 Climatiseur intégré au plafond

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-104520 2018-05-31
JP2018104520A JP6756988B2 (ja) 2018-05-31 2018-05-31 天井埋込型空気調和機

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Publication Number Publication Date
WO2019230128A1 true WO2019230128A1 (fr) 2019-12-05

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EP (1) EP3805659A4 (fr)
JP (1) JP6756988B2 (fr)
CN (1) CN112204316B (fr)
AU (1) AU2019278063A1 (fr)
WO (1) WO2019230128A1 (fr)

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CN114017649A (zh) * 2021-11-09 2022-02-08 深圳市华远高科科技有限公司 一种具有抽拉防护功能的嵌入式显示屏

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JP2019211099A (ja) 2019-12-12
JP6756988B2 (ja) 2020-09-16
AU2019278063A1 (en) 2021-01-07
EP3805659A4 (fr) 2022-03-02
US20210207818A1 (en) 2021-07-08
EP3805659A1 (fr) 2021-04-14
CN112204316B (zh) 2022-07-08

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