WO2017142026A1 - 空調用室内ユニットおよび空気調和装置 - Google Patents

空調用室内ユニットおよび空気調和装置 Download PDF

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Publication number
WO2017142026A1
WO2017142026A1 PCT/JP2017/005735 JP2017005735W WO2017142026A1 WO 2017142026 A1 WO2017142026 A1 WO 2017142026A1 JP 2017005735 W JP2017005735 W JP 2017005735W WO 2017142026 A1 WO2017142026 A1 WO 2017142026A1
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WO
WIPO (PCT)
Prior art keywords
indoor unit
air
frame
housing
column
Prior art date
Application number
PCT/JP2017/005735
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
尚宣 日野
尾崎　健
厚 田辺
明 寺崎
Original Assignee
東芝キヤリア株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 東芝キヤリア株式会社 filed Critical 東芝キヤリア株式会社
Priority to KR1020187023642A priority Critical patent/KR102230506B1/ko
Priority to JP2018500196A priority patent/JP6833802B2/ja
Priority to CN202110287050.2A priority patent/CN113028510B/zh
Priority to KR1020217006934A priority patent/KR102460769B1/ko
Priority to CN201780011958.2A priority patent/CN108700310B/zh
Publication of WO2017142026A1 publication Critical patent/WO2017142026A1/ja

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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
    • 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
    • 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
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • 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
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • 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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • 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
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • 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
    • F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
    • 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
    • F24F2013/205—Mounting a ventilator fan therein
    • 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
    • F24F2013/207—Casings or covers with control knobs; Mounting controlling members or control units therein

Definitions

  • Embodiments of the present invention relate to, for example, an indoor unit suitable for spot air conditioning and an air conditioner including the indoor unit.
  • an air conditioner that locally cools and heats work areas dispersed in the factory building is used.
  • This type of air conditioner includes a plurality of indoor units that blow out air whose temperature and humidity are adjusted toward a work area.
  • the indoor unit is installed on the outer peripheral portion of the pillar so as to surround the pillar that is a skeleton of the building, for example.
  • vibrations caused by the operation of the machine tools and cranes may be transmitted to the pillars of the building. Furthermore, when an earthquake occurs, the vibration of the ground is transmitted to the pillar, and it cannot be denied that the pillar is strongly shaken.
  • An object of the present invention is to obtain an air conditioner that can firmly fix an indoor unit to a foundation structure and can increase the vibration resistance of the indoor unit.
  • the air conditioner includes a frame and at least one indoor unit.
  • the said frame is being fixed to the outer peripheral part of the foundation structure which faces the space which should be air-conditioned.
  • the indoor unit includes a heat exchanger and a blower for exchanging heat between the refrigerant and the air, and is removably supported by the frame.
  • FIG. 1 is a circuit diagram illustrating a piping system of the air-conditioning apparatus according to the first embodiment.
  • FIG. 2 is a perspective view of the indoor unit according to the first embodiment viewed from the front.
  • FIG. 3 is a perspective view of the indoor unit as viewed from the back.
  • FIG. 4 is an exploded perspective view showing the internal structure of the indoor unit.
  • FIG. 5 is a front view of the indoor unit.
  • FIG. 6 is a cross-sectional view of the indoor unit showing a flow direction of air blown from the indoor unit.
  • FIG. 7 is a side view of the air-conditioning apparatus according to the first embodiment.
  • FIG. 8 is a perspective view of the air-conditioning apparatus according to the first embodiment.
  • FIG. 1 is a circuit diagram illustrating a piping system of the air-conditioning apparatus according to the first embodiment.
  • FIG. 2 is a perspective view of the indoor unit according to the first embodiment viewed from the front.
  • FIG. 3 is a perspective view of the indoor
  • FIG. 9 is a plan view showing a state in which the first to fourth indoor unit assemblies are installed on the pillars of the building via the frame.
  • FIG. 10 is a perspective view showing a state in which the frame is assembled to the pillar of the building.
  • FIG. 11 is a perspective view showing a state in which the lower structure of the frame is assembled to the pillar of the building.
  • FIG. 12 is an enlarged perspective view illustrating a connection portion between the lower structure and the upper structure.
  • FIG. 13 is a perspective view of a first indoor unit assembly in which four indoor units are integrally connected by subframes.
  • FIG. 14 is a perspective view showing a positional relationship between the subframe and the indoor unit.
  • FIG. 15 is an exploded perspective view showing the positional relationship among the frame, the exterior panel, and the filter.
  • FIG. 16 is a perspective view of the air conditioner showing a relative positional relationship between the filter element and the outer frame.
  • FIG. 17 is a side view of an air conditioner according to a modification of the first embodiment.
  • FIG. 18 is a side view of the air-conditioning apparatus according to the second embodiment.
  • FIG. 19 is a perspective view of an air-conditioning apparatus according to the second embodiment.
  • FIG. 20 is a perspective view of the air conditioner showing the positional relationship between the first to fourth indoor unit assemblies attached to the frame and the columns in the second embodiment.
  • FIG. 21 is a plan view showing a state in which the first to fourth indoor unit assemblies are installed on the pillars of the building via the frame.
  • FIG. 22 is a perspective view of the first indoor unit assembly showing a state in which four indoor units are attached to the first unit support portion of the frame.
  • FIG. 23 is a perspective view illustrating a positional relationship among the indoor unit, the exterior panel, the first decorative panel, and the second decorative panel.
  • FIG. 24 is a perspective view showing a state in which a fire extinguisher, an air compressor, and a remote controller are arranged around a pillar that is removed from the indoor unit.
  • FIG. 25 is a front view of the air-conditioning apparatus according to the third embodiment.
  • FIG. 1 is a circuit diagram showing a piping system of an air conditioner 1 used for local cooling and heating in a large-scale space such as a production factory or a vehicle factory.
  • the air conditioner 1 includes an outdoor unit 2 and first to fourth indoor unit assemblies 3a, 3b, 3c, and 3d as main elements.
  • the outdoor unit 2 is installed outside the factory building 4 and houses various refrigeration cycle devices such as a compressor that compresses refrigerant, a heat exchanger, and an accumulator.
  • the first to fourth indoor unit assemblies 3 a, 3 b, 3 c, 3 d are installed in a work area A to be air-conditioned inside the building 4.
  • Each of the first to fourth indoor unit assemblies 3a, 3b, 3c, and 3d includes four indoor units 5.
  • the liquid side main pipe 7A connected to the outdoor unit 2 is branched into first to fourth liquid side connection pipes 9a, 9b, 9c, and 9d via a branch header 8A.
  • the gas side main pipe 7B connected to the outdoor unit 2 is branched into first to fourth gas side connection pipes 9e, 9f, 9g, and 9h via a branch header 8B.
  • the first to fourth liquid side connection pipes 9a, 9b, 9c, 9d and the first to fourth gas side connection pipes 9e, 9f, 9g, 9h are connected to the first to fourth indoor unit assemblies 3a, 3b, 3c and 3d.
  • the first to fourth liquid side connection pipes 9a, 9b, 9c, 9d are each provided with a liquid pipe 10.
  • the first to fourth gas side connection pipes 9e, 9f, 9g, 9h are each provided with a gas pipe 11.
  • the liquid pipes 10 of the first to fourth liquid side connection pipes 9a, 9b, 9c, 9d are four branch liquid pipes 10a, 10b, 10c branched by three Y-shaped branch joints 12a, 12b, 12c, 10d.
  • the branch liquid pipes 10a, 10b, 10c, and 10d are connected to the indoor unit 5, respectively.
  • the gas pipes 11 of the first to fourth gas side connection pipes 9e, 9f, 9g, 9h are four branch gas pipes 11a, 11b branched by three T-shaped branch joints 13a, 13b, 13c. , 11c, 11d.
  • the branch gas pipes 11a, 11b, 11c, and 11d are connected to the indoor unit 5, respectively.
  • the refrigerant compressed by the outdoor unit 2 is distributed to the indoor units 5 of the first to fourth indoor unit assemblies 3a, 3b, 3c, and 3d, and the refrigerant discharged from the indoor unit 5 is again outdoor. Returned to the machine 2.
  • first to fourth indoor unit assemblies 3a, 3b, 3c, 3d are provided with remote controllers 15a, 15b, 15c, 15d, respectively.
  • various operations such as operation / stop of the indoor unit 5, temperature setting, operation switching, etc. are performed by the remote controllers 15a, 15b, 15c, 15d for each assembly. Is executable.
  • the indoor units 5 of the first to fourth indoor unit assemblies 3a, 3b, 3c, 3d have a common configuration. Therefore, in the present embodiment, one indoor unit 5 of the first indoor unit assembly 3a will be described as a representative.
  • the indoor unit 5 includes a housing 20, an air heat exchanger 21, a blower 22, a control unit 23, and a duct unit 24 as main elements.
  • casing 20 is a square box-shaped element which has the depth dimension D, the width dimension W, and the height dimension H, Comprising: For example, it is formed with the thin steel plate.
  • the width dimension W and the height dimension H of the housing 20 are equal to each other, and the depth dimension D is set to be much smaller than the width dimension W and the height dimension H. Therefore, the housing 20 has a flat shape.
  • the housing 20 includes a base 26, a front cover 27, a top cover 28, and a partition plate 29.
  • the base 26 includes a back panel 30 that is erected and a dish-shaped bottom plate 31 that is fixed to the lower end of the back panel 30.
  • a square suction port 32 is formed at a substantially central portion of the back panel 30.
  • the bottom plate 31 protrudes horizontally from the lower end portion of the back panel 30 toward the front of the housing 20, and a drain port 33 is formed at the rear end portion of the bottom plate 31.
  • the drain port 33 protrudes behind the housing 20.
  • the front cover 27 includes a front panel 34 and a pair of side panels 35a and 35b.
  • the front panel 34 is an element constituting the front surface of the housing 20.
  • the front panel 34 faces the back panel 30, and a through hole 36 is formed at a substantially central portion of the front panel 34. Further, the lower end portion of the front panel 34 is fixed to the front end portion of the bottom plate 31 with a plurality of screws.
  • the side panels 35a and 35b are folded at a right angle from the side edge of the front panel 34 toward the back panel 30.
  • the rear ends of the side panels 35a and 35b are fixed to both sides of the back panel 30 with a plurality of screws.
  • the top cover 28 is fixed to the upper end portion of the front panel 34 and the upper end portions of the side panels 35a and 35b with a plurality of screws.
  • the top cover 28 covers a gap between the upper end portion of the front cover 27 and the upper portion of the back panel 30.
  • the partition plate 29 is interposed between the upper portion of the back panel 30 and the upper end portion of the front cover 27.
  • the partition plate 29 divides the interior of the housing 20 into two chambers, a first storage chamber 38 and a second storage chamber 39.
  • the first storage chamber 38 has a larger volume than the second storage chamber 39, and the suction port 32 and the through hole 36 of the housing 20 are opened in the first storage chamber 38.
  • the bottom plate 31 of the housing 20 constitutes the bottom of the first storage chamber 38, and the bottom plate 31 also functions as a drain pan.
  • the second storage chamber 39 is located above the first storage chamber 38 and is covered with the top cover 28. In other words, the second storage chamber 39 can be exposed outside the housing 20 by loosening the screw and removing only the top cover 28.
  • brackets 40a and 40b are fixed to both sides of the back panel 30, respectively.
  • the brackets 40 a and 40 b extend in the height direction of the housing 20 and project to the side of the housing 20.
  • the air heat exchanger 21 is accommodated in the first accommodation chamber 38.
  • the air heat exchanger 21 has a flat plate shape and includes a plurality of cooling fins 43 and a plurality of heat transfer tubes 44 through which refrigerant flows.
  • the cooling fins 43 are elongated rectangular plates extending in the height direction of the housing 20, and are arranged in a line at intervals in the width direction of the housing 20.
  • the heat transfer tubes 44 are arranged at intervals in the height direction and depth direction of the housing 20 and are connected in series to form a plurality of flow paths (paths). Further, the heat transfer tubes 44 are thermally connected to the cooling fins 43.
  • the air heat exchanger 21 is erected along the back panel 30 inside the first storage chamber 38. As a result, the air heat exchanger 21 is exposed behind the housing 20 through the suction port 32.
  • the air heat exchanger 21 has an upper end surface 21a and a lower end surface 21b.
  • the upper end surface 21 a faces the partition plate 29 inside the first storage chamber 38.
  • the lower end surface 21b is covered from below by a bottom plate 31 as a drain pan.
  • the upper end surface 21a and the lower end surface 21b of the air heat exchanger 21 are inclined downward as they proceed from the back panel 30 toward the front panel 34, respectively.
  • the refrigerant pipe 45 connected to the air heat exchanger 21 is accommodated in the first accommodating chamber 38.
  • the air heat exchanger 21 is disposed between the side panels 35a and 35b of the front cover 27 on the side of one side panel 35a in order to secure a space for accommodating the refrigerant pipe 45 inside the first storage chamber 38. I'm leaning on. As a result, a space is generated between the air heat exchanger 21 and the other side panel 35b, and the refrigerant pipes 45 are concentrated in the space.
  • the indoor unit 5 has a pair of connection ports 46 a and 46 b connected to the refrigerant pipe 45.
  • the connection ports 46a and 46b penetrate the back panel 30 and protrude behind the housing 20, and the branch liquid pipe 10a and the branch gas pipe 11a are connected to the connection ports 46a and 46b. .
  • the center C1 of the air heat exchanger 21 is shifted to the center C2 of the front panel 34 of the front cover 27 as the air heat exchanger 21 is shifted toward the one side panel 35a. It is off.
  • the center of the through hole 36 opened in the front panel 34 is located on the extension line of the center C1 of the air heat exchanger 21.
  • the blower 22 is supported at the center of the front panel 34 of the housing 20.
  • the blower 22 includes a cylindrical casing 50 and an impeller 51 accommodated in the casing 50 as main elements.
  • the casing 50 has a first flange portion 52 and a second flange portion 53.
  • the first flange portion 52 projects outward at one end of the casing 50 along the radial direction of the casing 50.
  • the second flange portion 53 projects outward at the other end of the casing 50 along the radial direction of the casing 50.
  • the first flange portion 52 is fixed to the front panel 34 with a plurality of screws at a position corresponding to the through hole 36.
  • the impeller 51 is rotatably supported by the casing 50 so as to be coaxially positioned on the extension line of the center C1 of the air heat exchanger 21.
  • the boss portion 55 of the impeller 51 incorporates a motor 56 that rotates the impeller 51.
  • the control unit 23 is an element for controlling the air heat exchanger 21 and the blower 22, and is accommodated in the second accommodation chamber 39 of the housing 20.
  • the control unit 23 includes various electrical components 58 such as a control board, a reactor, and a plurality of terminal blocks.
  • the electrical component 58 is supported on the upper portion of the back panel 30.
  • a cylindrical attachment 60 is attached to the blower 22.
  • the attachment 60 has a flange portion 61 at one end.
  • the flange portion 61 is fixed to the second flange portion 53 of the blower 22 with a plurality of screws. Thereby, the attachment 60 protrudes coaxially from the casing 50 of the blower 22 toward the front of the housing 20.
  • a cylindrical ventilation register 62 is fitted in the attachment 60.
  • the ventilation register 62 is an element for adjusting the amount of air blown from the blower 22 or arbitrarily changing the blowing direction, and protrudes coaxially from the attachment 60 toward the front of the housing 20. .
  • the duct portion 24 has a cylindrical outer cylinder 65.
  • the outer cylinder 65 is an element that continuously covers the blower 22, the attachment 60, and the ventilation register 62, and a flange portion 66 is formed at one end along the axial direction thereof.
  • the flange portion 66 is continuous in the circumferential direction of the outer cylinder 65 and projects outwardly along the radial direction of the outer cylinder 65.
  • the flange portion 66 is detachably supported on the front panel 34 by a plurality of screws.
  • the outer cylinder 65 protrudes horizontally from the front panel 34 toward the front of the housing 20 in a state of surrounding the blower 22, the attachment 60, and the ventilation register 62. As shown in FIG. 6, the axis O ⁇ b> 1 passing through the center of the outer cylinder 65 intersects the center C ⁇ b> 1 of the air heat exchanger 21.
  • the protruding end of the outer cylinder 65 is located in front of the housing 20 with respect to the ventilation register 62.
  • a guide wall 67 is formed at the protruding end of the outer cylinder 65.
  • the guide wall 67 is continuous in the circumferential direction of the outer cylinder 65 and protrudes toward the inside along the radial direction of the outer cylinder 65.
  • the guide wall 67 defines a circular outlet 68 at the protruding end of the outer cylinder 65.
  • the blowout port 68 faces the blower 22 through the ventilation register 62.
  • the outer cylinder 65 of the duct portion 24 defines a ventilation path 70 between the blower 22, the attachment 60 and the ventilation register 62.
  • One end of the ventilation path 70 reaches the front panel 34 of the housing 20.
  • the other end of the ventilation path 70 is closed by a guide wall 67 of the outer cylinder 65.
  • a plurality of air return holes 71 are formed in the front panel 34 of the housing 20 facing one end of the ventilation path 70.
  • the air return hole 71 is located around the blower 22 and is opened to the first storage chamber 38 of the housing 20. Therefore, one end of the ventilation path 70 is communicated with the upstream side of the blower 22.
  • the inner surface of the outer cylinder 65 facing the ventilation path 70 and the inner surface of the guide wall 67 are covered with the heat insulating material 72.
  • the first to fourth indoor unit assemblies 3 a, 3 b, 3 c, and 3 d having the indoor unit 5 are frames dedicated to the outer periphery of the existing column 80 that becomes the skeleton of the building 4. 81 is used.
  • the pillar 80 is an example of a basic structure, and stands upright from the floor surface F of the building 4.
  • the column 80 is a quadrangular column having first to fourth outer peripheral surfaces 80a, 80b, 80c, and 80d that are flat.
  • the first to fourth outer peripheral surfaces 80a, 80b, 80c, and 80d face the work area A in the building 4 and are oriented in four different directions.
  • the first to fourth outer peripheral surfaces 80 a, 80 b, 80 c, and 80 d define the outer peripheral portion of the column 80.
  • the mounting structure of the first to fourth indoor unit assemblies 3a, 3b, 3c, 3d with respect to the pillar 80 is common to each other. Therefore, in the present embodiment, the mounting structure of the first indoor unit assembly 3a will be described as a representative, and the mounting structure of the second to fourth indoor unit assemblies 3b, 3c, 3d will be denoted by the same reference numeral. The description is omitted.
  • the four indoor units 5 constituting the first indoor unit assembly 3 a are integrally connected along the height direction of the pillar 80 using a ladder-like subframe 82.
  • the sub-frame 82 includes a pair of frame elements 83a and 83b and a plurality of beams 84 (only one is shown in FIG. 14).
  • Each frame element 83a, 83b is made of angle steel having an L-shaped cross section, for example, and has a pair of flat plate portions 85a, 85b that are orthogonal to each other.
  • the frame elements 83 a and 83 b extend straight in the height direction of the column 80.
  • the beam 84 is made of, for example, channel steel.
  • the beams 84 are horizontally stretched between the frame elements 83a and 83b, and are arranged at intervals in the height direction of the columns 80.
  • the frame elements 83a and 83b are arranged in parallel with a space therebetween, and one flat plate portion 85a of the frame elements 83a and 83b is located on the same surface. Further, the interval between the frame elements 83 a and 83 b is set to be equal to the width dimension W of the indoor unit 5.
  • brackets 40a and 40b projecting from both side portions of the housing 20 of the indoor unit 5 are fixed to the front surface of one flat plate portion 85a of the frame elements 83a and 83b with a plurality of screws. .
  • the four indoor units 5 are detachably supported by the subframe 82 in a state where they are aligned in a line in the vertical direction.
  • the beam 84 of the subframe 82 is located behind the boundary between adjacent indoor units 5.
  • the frame 81 is composed of a lower structure 90 and an upper structure 91.
  • the lower structure 90 includes four vertical bars 92a, 92b, 92c, and 92d, and a pair of connectors 93.
  • Each of the vertical bars 92a, 92b, 92c, and 92d is made of angle steel having an L-shaped cross section, for example, and has flat plate portions 94a and 94b that are orthogonal to each other.
  • the vertical bars 92 a, 92 b, 92 c, and 92 d stand along the column 80 at positions corresponding to the four corners of the column 80.
  • the connector 93 is an element that connects the column 80 and the vertical bars 92 a, 92 b, 92 c, and 92 d, and has an interval in the height direction of the column 80. Has been placed.
  • Each connector 93 includes a pair of first horizontal bars 95a, 95b, a pair of second horizontal bars 96a, 96b, and first to fourth outer beams 97a, 97b, 97c, 97d. Yes.
  • the first horizontal rails 95a and 95b are made of angle steel having an L-shaped cross-sectional shape, for example, and are horizontally arranged with a space therebetween so as to sandwich the column 80.
  • the intermediate portion of one first horizontal rail 95 a is in contact with the first outer peripheral surface 80 a of the column 80.
  • the middle portion of the other first horizontal rail 95 b is in contact with the third outer peripheral surface 80 c of the column 80. Both end portions of the first horizontal rails 95a and 95b project around the column 80 in a state of being parallel to each other.
  • the second horizontal rails 96a and 96b are made of angle steel having an L-shaped cross-sectional shape, for example, and are horizontally spaced from each other so as to sandwich the column 80 from a direction orthogonal to the first horizontal rails 95a and 95b. Is arranged.
  • An intermediate portion of one second horizontal rail 96 a is in contact with the second outer peripheral surface 80 b of the column 80.
  • the middle portion of the other second horizontal rail 96 b is in contact with the fourth outer peripheral surface 80 d of the column 80. Both end portions of the second horizontal rails 96a and 96b project around the column 80 in a state of being parallel to each other.
  • first horizontal bars 95a and 95b and the intermediate portion of the second horizontal bars 96a and 96b intersect each other around the column 80.
  • the locations where the first horizontal rails 95a, 95b and the second horizontal rails 96a, 96b intersect are connected by a plurality of fasteners such as screws or bolts, respectively.
  • first horizontal bars 95a and 95b and the second horizontal bars 96a and 96b are combined in a lattice shape so as to surround the column 80.
  • first horizontal bars 95a and 95b and the second horizontal bars 96a and 96b sandwich the column 80 from two directions orthogonal to each other.
  • the first to fourth outer beams 97a, 97b, 97c, and 97d are made of, for example, channel steel.
  • the first outer beam 97a is stretched horizontally between the flat plate portion 94a of the vertical beam 92a and the flat plate portion 94a of the vertical beam 92b.
  • the intermediate portion of the first outer beam 97a is coupled to one end of the second horizontal rails 96a and 96b with a plurality of fasteners such as screws or bolts.
  • the second outer beam 97b is stretched horizontally between the flat plate portion 94b of the vertical beam 92b and the flat plate portion 94b of the vertical beam 92c.
  • An intermediate portion of the second outer beam 97b is coupled to one end of the first horizontal bars 95a and 95b with a plurality of fasteners such as screws or bolts.
  • the third outer beam 97c is stretched horizontally between the flat plate portion 94a of the vertical beam 92c and the flat plate portion 94a of the vertical beam 92d.
  • An intermediate portion of the third outer beam 97c is coupled to the other ends of the second horizontal rails 96a and 96b by a plurality of fasteners such as screws or bolts.
  • the fourth outer beam 97d is stretched horizontally between the flat plate portion 94b of the vertical beam 92d and the flat plate portion 94b of the vertical beam 92a.
  • An intermediate portion of the fourth outer beam 97d is coupled to the other ends of the first horizontal bars 95a and 95b by a plurality of fasteners such as screws or bolts.
  • first to fourth outer beams 97a, 97b, 97c, and 97d surround the column 80 at positions away from the first to fourth outer peripheral surfaces 80a, 80b, 80c, and 80d of the column 80, and
  • the four vertical bars 92a, 92b, 92c, and 92d are integrally connected.
  • the four vertical bars 92a, 92b, 92c, and 92d are held in a posture in which they stand upright from the floor surface F of the building 4 at positions diagonally away from the corners of the columns 80.
  • the intervals between the adjacent vertical bars 92a, 92b, 92c, 92d are set to be equal to the interval between the frame elements 83a, 83b of the subframe 82.
  • the upper structure 91 of the frame 81 basically has the same configuration as the lower structure 90. That is, the upper structure 91 includes four vertical bars 100a, 100b, 100c, and 100d, and a pair of connectors 101. Each of the vertical bars 100a, 100b, 100c, and 100d is made of angle steel having an L-shaped cross-sectional shape, for example, and includes flat plate portions 102a and 102b that are orthogonal to each other. The vertical bars 100 a, 100 b, 100 c, and 100 d stand along the column 80 at positions corresponding to the four corners of the column 80.
  • the connecting tool 101 is an element that connects the column 80 and the vertical bars 100 a, 100 b, 100 c, and 100 d, and is arranged at intervals in the height direction of the column 80. Yes.
  • Each connector 101 includes a pair of first horizontal bars 104a and 104b, a pair of second horizontal bars 105a and 105b, and first to fourth outer beams 106a, 106b, 106c, and 106d. Yes.
  • the first horizontal rails 104a and 104b are made of angle steel having an L-shaped cross-sectional shape, for example, and are horizontally arranged with a space therebetween so as to sandwich the column 80.
  • the intermediate portion of the first horizontal rail 104 a is in contact with the first outer peripheral surface 80 a of the column 80.
  • An intermediate portion of the first horizontal rail 104 b is in contact with the third outer peripheral surface 80 c of the column 80. Both end portions of the first horizontal rails 104a and 104b project around the column 80 in a state of being parallel to each other.
  • the second horizontal bars 105a and 105b are made of angle steel having an L-shaped cross-sectional shape, for example, and are horizontally spaced from each other so as to sandwich the column 80 from a direction orthogonal to the first horizontal bars 104a and 104b. Is arranged. An intermediate portion of the second horizontal rail 105 a is in contact with the second outer peripheral surface 80 b of the column 80. An intermediate portion of the second horizontal rail 105 b is in contact with the fourth outer peripheral surface 80 d of the column 80. Both end portions of the second horizontal bars 105a and 105b project around the column 80 in a state of being parallel to each other.
  • first horizontal bars 104 a and 104 b and the intermediate part of the second horizontal bars 105 a and 105 b intersect each other around the column 80.
  • the locations where the first horizontal bars 104a, 104b and the second horizontal bars 105a, 105b intersect are respectively coupled by a plurality of fasteners such as screws or bolts.
  • first horizontal rails 104a and 104b and the second horizontal rails 105a and 105b are combined in a lattice shape so as to surround the column 80.
  • first horizontal rails 104a and 104b and the second horizontal rails 105a and 105b sandwich the column 80 from two directions orthogonal to each other.
  • the first to fourth outer beams 106a, 106b, 106c, 106d are made of, for example, channel steel.
  • the first outer beam 106a is horizontally stretched between the flat plate portion 102a of the vertical beam 100a and the flat plate portion 102a of the vertical beam 100b.
  • the intermediate portion of the first outer beam 106a is coupled to one end of the second horizontal bars 105a and 105b with a plurality of fasteners such as screws or bolts.
  • the second outer beam 106b is horizontally stretched between the flat plate portion 102b of the vertical beam 100b and the flat plate portion 102b of the vertical beam 100c.
  • the intermediate portion of the second outer beam 106b is coupled to one end of the first horizontal bars 104a and 104b with a plurality of fasteners such as screws or bolts.
  • the third outer beam 106c is stretched horizontally between the flat plate portion 102a of the vertical beam 100c and the flat plate portion 102a of the vertical beam 100d.
  • An intermediate portion of the third outer beam 106c is coupled to the other ends of the second horizontal bars 105a and 105b with a plurality of fasteners such as screws or bolts.
  • the fourth outer beam 106d is horizontally stretched between the flat plate portion 102b of the vertical beam 100d and the flat plate portion 102b of the vertical beam 100a.
  • An intermediate portion of the fourth outer beam 106d is coupled to the other ends of the first horizontal bars 104a and 104b by a plurality of fasteners such as screws or bolts.
  • the first to fourth outer beams 106a, 106b, 106c, and 106d surround the column 80 at positions away from the first to fourth outer peripheral surfaces 80a, 80b, 80c, and 80d of the column 80.
  • the four vertical bars 100a, 100b, 100c, and 100d are integrally connected.
  • the four vertical bars 100a, 100b, 100c, and 100d are held in a vertically standing posture at positions diagonally away from the corners of the pillar 80.
  • the intervals between the adjacent vertical bars 100a, 100b, 100c, 100d are set to be equal to the interval between the frame elements 83a, 83b of the subframe 82.
  • the lower ends of the vertical bars 100a, 100b, 100c, 100d of the upper structure 91 are overlapped with the upper ends of the vertical bars 92a, 92b, 92c, 92d of the lower structure 90. Together with a plurality of fasteners such as screws or bolts. Thereby, the lower structure 90 and the upper structure 91 are assembled as an integral structure.
  • the first to fourth indoor unit assemblies 3 a, 3 b, 3 c, and 3 d having four indoor units 5 arranged in a line in the vertical direction are the upper structure 91 of the frame 81. It is supported to be selectively removable.
  • the height of the lower structure 90 standing from the floor surface F of the building 4 is, for example, 2 m, which is higher than the average height of the worker M who is active in the work area A. For this reason, the first to fourth indoor unit assemblies 3a, 3b, 3c, 3d are positioned right above the work area A.
  • the flat plate portions 85a of the frame elements 83a and 83b constituting the subframe 82 are fixed to the flat plate portion 102a of the vertical bars 100a and 100b with a plurality of fasteners such as screws or bolts.
  • a plurality of fasteners such as screws or bolts.
  • the flat plate portion 85a of the frame elements 83a and 83b constituting the subframe 82 is fixed to the flat plate portion 102b of the vertical bars 100b and 100c with a plurality of fasteners such as screws or bolts.
  • the four indoor units 5 are arranged in a line along the pillar 80, and the housing 20 of each indoor unit 5 is the first of the pillar 80. 2 faces the outer peripheral surface 80b.
  • the flat plate portion 85a of the frame elements 83a and 83b constituting the subframe 82 is fixed to the flat plate portion 102a of the vertical rails 100c and 100d with a plurality of fasteners such as screws or bolts.
  • a plurality of fasteners such as screws or bolts.
  • the flat plate portions 85a of the frame elements 83a and 83b constituting the subframe 82 are fixed to the flat plate portion 102b of the vertical rails 100d and 100a with a plurality of fasteners such as screws or bolts.
  • the fourth indoor unit assembly 3 d is fixed to the upper structure 91, the four indoor units 5 are arranged in a line along the pillars 80, and the housing 20 of each indoor unit 5 is the first of the pillars 80. 4 faces the outer peripheral surface 80d.
  • the casings 20 of all the indoor units 5 and the vertical bars 100a, 100b, 100c, 100d of the upper structure 91 cooperate with each other to continuously surround the column 80 in the circumferential direction. Therefore, an upper space S1 is formed between the outer periphery of the column 80 and the first to fourth indoor unit assemblies 3a, 3b, 3c, 3d.
  • the lower structure 90 of the frame 81 removed from the first to fourth indoor unit assemblies 3 a, 3 b, 3 c, 3 d has a plurality of exterior panels 110.
  • a plurality of filters 111 are selectively removably supported.
  • the exterior panel 110 and the filter 111 are rectangular plate-like elements having the same size, and are interchangeable.
  • the exterior panel 110 is attached to the lower structure 90 with a plurality of fasteners such as screws or bolts so as to straddle between the adjacent vertical bars 92a, 92b, 92c, 92d.
  • the filter 111 includes a square outer frame 112 and a filter element 113 that filters air.
  • the outer frame 112 has four sides and is attached to the lower structure 90 with a plurality of fasteners such as screws or bolts so as to straddle between adjacent vertical bars 92a, 92b, 92c, and 92d.
  • the filter element 113 is formed in a square plate shape, and is removably supported on the outer frame 112 through a slit 114 formed on one side of the outer frame 112.
  • the exterior panel 110 covers and conceals the lower structure 90, the second outer peripheral surface 80b, the third outer peripheral surface 80c, and the fourth outer peripheral surface 80d of the column 80.
  • the filter 111 is arranged in the height direction of the column 80 below the first indoor unit assembly 3a, and covers the first outer peripheral surface 80a of the column 80.
  • the exterior panel 110 and the filter 111 cooperate with each other to surround the lower structure 90 of the frame 81.
  • a gap between the floor surface F of the building 4 and the exterior panel 110 and a gap between the floor surface F of the building 4 and the filter 111 are closed by a plurality of baseboards 115.
  • a lower space S2 is formed between the outer periphery of the column 80 and the exterior panel 110 and the filter 111.
  • the lower space S2 communicates with the upper space S1 and defines the suction passage 117 in cooperation with the upper space S1.
  • the suction passage 117 surrounds the column 80.
  • the suction ports 32 of all the indoor units 5 are opened to the suction passage 117.
  • the upper end of the suction passage 117 is closed by the plurality of closing plates 118 shown in FIG.
  • the closing plate 118 is attached to the upper end of the upper structure 91. Therefore, the suction passage 117 is partitioned from the work area A inside the building 4 and communicates with the work area A through the filter 111.
  • the suction passage 117 includes the first to fourth liquid side connection pipes 9a, 9b, 9c, 9d and the first to fourth gas side connection pipes 9e connected to all the indoor units 5. , 9f, 9g, and 9h also serve as piping space.
  • Each of the connection pipes 9a to 9h passes through the closing plate 118 and is guided to the upper part of the column 80.
  • the drain pipes 119 connected to the drain ports 33 of all the indoor units 5 are guided to the upper part of the column 80 through the suction passage 117.
  • the blower 22 of the indoor unit 5 passes through the through hole 36 and the housing 20
  • the air in the first storage chamber 38 is sucked.
  • a negative pressure acts on the suction port 32 of the housing 20. Since the suction port 32 is opened to the suction passage 117 around the column 80, the air inside the building 4 is sucked into the suction passage 117 through the filter 111. Since the filter 111 is attached to the lower structure 90 of the frame 81, air near the floor surface F of the work area A is sucked into the suction passage 117.
  • the air sucked into the blower 22 from the suction passage 117 passes through the air heat exchanger 21.
  • the air heat exchanger 21 changes the air going to the blower 22 to cold air or warm air by heat exchange between the air going to the blower 22 and the refrigerant flowing through the heat transfer tube 44.
  • the heat-exchanged air passes through the ventilation register 62 and then blows out horizontally from the outlet 68 of the duct portion 24 toward the area above the work area A where the worker M is active.
  • the air heat-exchanged toward the four sides of the pillar 80 can be sent out, and local air conditioning in the work area A located around the pillar 80 or stratified air conditioning using the pillar 80 becomes possible.
  • the four indoor units 5 constituting the first to fourth indoor unit assemblies 3 a, 3 b, 3 c, 3 d are supported by the frame 81 so as to surround the outer periphery of the column 80. . Since the frame 81 is integrated by combining a plurality of shape steels, the frame 81 has sufficient mechanical strength. Therefore, the casings 20 of all the indoor units 5 can be firmly fixed to the outer peripheral portion of the pillar 80 using the frame 81.
  • vibrations acting on the indoor unit 5 can be suppressed to a low level.
  • the seismic strength of the unit 5 can be sufficiently secured.
  • each of the first to fourth indoor unit assemblies 3 a, 3 b, 3 c, 3 d four indoor units 5 are assembled as an integral structure using the subframe 82. Therefore, the workability when the first to fourth indoor unit assemblies 3a, 3b, 3c, 3d are assembled to the frame 81 is improved, and the first to fourth indoor unit assemblies 3a, 3b, 3c, 3d are existing. It can be easily installed on the outer periphery of the column 80.
  • the sub-frame 82 functions as a kind of strength member, which also contributes effectively in increasing the seismic strength of the indoor unit 5.
  • the upper structure 91 of the frame 81 that supports the indoor unit 5 is formed by sandwiching the pillar 80 from two directions orthogonal to each other using the first horizontal bars 104a and 104b and the second horizontal bars 105a and 105b. 80.
  • the lower structure 90 of the frame 81 that supports the exterior panel 110 and the filter 111 is formed by sandwiching the pillar 80 from two directions orthogonal to each other by the first horizontal bars 95a and 95b and the second horizontal bars 96a and 96b. It is assembled to the pillar 80.
  • the frame 81 can be easily assembled to the outer periphery of the existing column 80, and the work period can be shortened and the cost required for the construction of the air conditioner 1 can be reduced accordingly.
  • the box-shaped housing 20 that is an outline of the indoor unit 5 stops to accommodate the flat air heat exchanger 21 and some electrical components 58, and the blower 22 It is supported on the front surface of the body 20 and covered with a dedicated duct portion 24.
  • the casing 20 can be made as thin and compact as possible, and the presence of the casing 20 can be suppressed as much as possible. Therefore, the indoor unit 5 can be installed without difficulty in the outer peripheral portion of the existing column 80, and no uncomfortable feeling is caused even though the indoor unit 5 exists around the column 80.
  • the indoor unit 5 having an original appearance that allows the air outlet direction of the conditioned air to be understood at a glance can be provided. Therefore, it is convenient for improving the design of the air conditioner 1.
  • the blower 22 and the ventilation register 62 can be exposed to the outside of the housing 20. Therefore, the maintenance work of the blower 22 and the ventilation register 62 can be performed without removing the casing 20 from the frame 81 or disassembling the casing 20, and the workability is improved.
  • the duct portion 24 of the indoor unit 5 has the outer cylinder 65 that surrounds the blower 22, the attachment 60, and the ventilation register 62.
  • the outer cylinder 65 defines a ventilation path 70 partitioned from the outside air between the blower 22, the attachment 60, and the ventilation register 62.
  • a part of the air that passes through the ventilation register 62 and travels toward the outlet 68 is guided to the ventilation path 70 by the guide wall 67 that defines the outlet 68, as indicated by the dashed arrow in FIG. 6. Is done. Since the ventilation path 70 communicates with the upstream side of the blower 22 through the air return hole 71 on the front surface of the housing 20, the air guided to the ventilation path 70 passes through the first return chamber 38 from the air return hole 71. Is sucked into the blower 22 via.
  • the center C1 of the air heat exchanger 21 inside the housing 20 is displaced from the center C2 of the front panel 34 of the housing 20 as shown in FIG.
  • the impeller 51 of the blower 22 and the outer cylinder 65 of the duct portion 24 are coaxially positioned on an extension line of the center C1 of the air heat exchanger 21. For this reason, the main flow of air passing through the air heat exchanger 21 toward the blower 22 passes through the central portion of the air heat exchanger 21.
  • the positional relationship between the air heat exchanger 21 and the blower 22 is optimized, and heat exchange between the refrigerant flowing through the heat transfer tubes 44 of the air heat exchanger 21 and the air can be performed efficiently.
  • FIG. 17 discloses a modification of the first embodiment.
  • the modification is different from the first embodiment in that the first to fourth indoor unit assemblies 3a, 3b, 3c, and 3d are attached to the lower structure 90 of the frame 81.
  • Other configurations are the same as those in the first embodiment.
  • the third and fourth indoor unit assemblies 3c and 3d are not shown because they are hidden behind the first and second indoor unit assemblies 3a and 3b.
  • the first to fourth indoor unit assemblies 3a, 3b, 3c, and 3d are installed on the outer periphery of the column 80 via the frame 81 in the same manner as in the first embodiment.
  • the four indoor units 5 included in the first to fourth indoor unit assemblies 3 a, 3 b, 3 c, 3 d are arranged in a line in the vertical direction from the floor surface F of the building 4.
  • the first to fourth indoor unit assemblies 3 a, 3 b, 3 c, 3 d are in positions facing the worker M in the work area A, and the air conditioned in the indoor unit 5 flows from the outlet 68 to the floor surface F. It comes to blow out in parallel.
  • the plurality of exterior panels 110 and the filter 111 are attached to the upper structure 91 of the frame 81.
  • the filters 111 are arranged in a line in the height direction of the column 80 directly above the second indoor unit assembly 3b.
  • the first to fourth indoor unit assemblies 3 a, 3 b, 3 c, 3 d are installed in the lower structure 90 of the frame 81.
  • the blown air can be blown out parallel to the floor F from a low position in the work area A.
  • stratified air conditioning that pushes high-temperature air in the vicinity of the floor surface F toward the upper side of the building 4 is possible, and the overall temperature difference of the work area A can be suppressed to a small level.
  • the first to fourth indoor unit assemblies 3a, 3b, 3c, 3d are arranged so as to surround the pillar 80, and air is blown out in four directions around the pillar 80. It is not limited to.
  • the indoor unit 5 is installed at a location corresponding to the first to third outer peripheral surfaces 80a, 80b, 80c of the column 80, and the column
  • the fourth outer peripheral surface 80d of 80 may be covered with at least one of the exterior panel 110 and the filter 111. That is, air may be blown out in three directions around the column 80, and there are no particular restrictions on the air blowing direction.
  • first to fourth indoor unit assemblies 3 a, 3 b, 3 c, 3 d are attached to intermediate portions along the height direction of the frame 81 so as to straddle between the lower structure 90 and the upper structure 91 of the frame 81. May be.
  • the exterior panel 110 and the filter 111 can be arranged at any position on at least one of the upper side and the lower side of the first to fourth indoor unit assemblies 3a, 3b, 3c, 3d.
  • the number and position of the exterior panel 110 and the filter 111 are not particularly limited, and the number and position of the exterior panel 110 and the filter 111 are the position of the indoor unit 5 along the height direction of the pillar 80 or the work area to be air-conditioned. Changes can be made as appropriate according to the environment of A.
  • each of the first to fourth indoor unit assemblies 3a, 3b, 3c, 3d includes four indoor units 5, but the number of indoor units 5 is one, two, Three or five or more units may be used, and the number of indoor units 5 is not particularly limited.
  • the subframe 82 for integrally connecting the plurality of indoor units 5 is not an essential element, and the plurality of indoor units 5 may be individually attached to the frame 81 one by one.
  • the second embodiment is different from the first embodiment mainly in the configuration of the frame 200 that supports the first to fourth indoor unit assemblies 3a, 3b, 3c, and 3d on the pillar 80.
  • Other configurations are basically the same as those in the first embodiment. Therefore, in the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
  • the frame 200 includes four first vertical bars 201a, 201b, 201c, 201d, a plurality of first to fourth horizontal bars 202a, 202b, 202c, 202d and a first one.
  • the fourth unit support portions 203a, 203b, 203c, and 203d are provided as main elements.
  • the first vertical bars 201a, 201b, 201c, and 201d are made of angle steel having an L-shaped cross section, for example, and have flat plate portions 205a and 205b that are orthogonal to each other.
  • the first vertical bars 201 a, 201 b, 201 c, and 201 d stand along the column 80 in a state where the intersecting portions of the flat plate portions 205 a and 205 b abut against the four corners of the column 80.
  • the first to fourth horizontal rails 202a, 202b, 202c, 202d are made of, for example, channel steel. As shown in FIG. 21, the first horizontal rail 202a is horizontally bridged between the flat plate portion 205a of the first vertical rail 201a and the flat plate portion 205a of the second vertical rail 201b, and the column They are arranged at intervals in the height direction of 80. The first horizontal rail 202 a is in contact with the first outer peripheral surface 80 a of the column 80.
  • the second horizontal rail 202b is horizontally stretched between the flat plate portion 205b of the second vertical rail 201b and the flat plate portion 205b of the third vertical rail 201c, and is spaced in the height direction of the pillar 80. Is arranged.
  • the second horizontal rail 202 b is in contact with the second outer peripheral surface 80 b of the column 80.
  • the third horizontal rail 202c is horizontally stretched between the flat plate portion 205a of the third vertical rail 201c and the flat plate portion 205a of the fourth vertical rail 201d, and is spaced in the height direction of the pillar 80. Is arranged.
  • the third horizontal rail 202 c is in contact with the third outer peripheral surface 80 c of the column 80.
  • the fourth horizontal rail 202d is horizontally stretched between the flat plate portion 205b of the fourth vertical rail 201d and the flat plate portion 205b of the first vertical rail 201a, and is spaced in the height direction of the pillar 80. Is arranged.
  • the fourth horizontal rail 202d is in contact with the fourth outer peripheral surface 80d of the column 80.
  • the first to fourth horizontal rails 202a, 202b, 202c, 202d are combined in a frame shape so as to surround the outer periphery of the column 80 at a plurality of locations along the height direction of the column 80.
  • the first to fourth horizontal rails 202a, 202b, 202c, 202d cooperate with each other to sandwich the column 80 from two directions orthogonal to each other.
  • the first to fourth unit support portions 203a, 203b, 203c, and 203d are elements corresponding to the first to fourth indoor unit assemblies 3a, 3b, 3c, and 3d, and have a common configuration. Yes. Therefore, in the present embodiment, the first unit support portion 203a corresponding to the first indoor unit assembly 3a will be described as a representative, and the second to fourth unit support portions 203b, 203c, and 203d will be described as the first.
  • the same reference numerals as those of the unit support portion 203a are attached, and the description thereof is omitted.
  • the first unit support portion 203a includes a pair of outer rails 207a and 207b, a plurality of cross beams 208, and a plurality of support stays 209 as main elements.
  • the outer rails 207a and 207b are made of angle steel having an L-shaped cross section, for example.
  • the cross beam 208 is made of, for example, channel steel.
  • the horizontal beams 208 are horizontally stretched between the outer rails 207a and 207b, and are arranged at intervals in the height direction of the columns 80. Therefore, the outer rails 207a and 207b connected by the horizontal beam 208 are arranged in parallel with a space between each other.
  • the interval between the outer rails 207a and 207b is set to be equal to the width dimension W of the indoor unit 5.
  • the support stay 209 is made of, for example, channel steel.
  • the support stay 209 is spanned between both ends of the first horizontal rail 202a and both ends of the horizontal rail 208 of the first unit support portion 203a.
  • the support stay 209 extends horizontally in a direction away from the first outer peripheral surface 80 a of the column 80.
  • the first unit support portion 203a is connected to the column 80 via the first vertical beam 201a, the second vertical beam 201b, and the first horizontal beam 202a.
  • the outer frames 207a and 207b of the first unit support portion 203a are arranged so as to face the first vertical beam 201a and the second vertical beam 201b at a position away from the first outer peripheral surface 80a of the column 80. It stands along the height direction of 80.
  • the vertical bars 207a and 207b of the second unit support portion 203b are separated from the second outer peripheral surface 80b of the column 80 at the second vertical bars 201b and the third It stands up along the height direction of the pillar 80 so as to face the vertical beam 201c.
  • the vertical bars 207a and 207b of the third unit support portion 203c are arranged at positions away from the third outer peripheral surface 80c of the column 80 so as to face the third vertical beam 201c and the fourth vertical beam 201d. Stands along the height direction.
  • the vertical bars 207a and 207b of the fourth unit support portion 203d are arranged so as to face the fourth vertical bars 201d and the first vertical bars 201a at positions away from the fourth outer peripheral surface 80d of the columns 80. It stands along the height direction of 80.
  • the first to fourth indoor unit assemblies 3 a, 3 b, 3 c, 3 d having the four indoor units 5 are located at a position higher than the height of the worker M and the first of the frame 200.
  • the first to fourth unit support portions 203a, 203b, 203c, and 203d are selectively removably supported.
  • the brackets 40a and 40b of each indoor unit 5 are fixed to the outer rails 207a and 207b of the first unit support portion 203a with a plurality of fasteners such as screws or bolts. Yes.
  • the four indoor units 5 are arranged in a line along the height direction of the pillar 80, and the housing of each indoor unit 5 is provided.
  • the body 20 faces the first outer peripheral surface 80a of the column 80.
  • the brackets 40a and 40b of each indoor unit 5 are fixed to the outer rails 207a and 207b of the second unit support portion 203b with a plurality of fasteners such as screws or bolts. Yes.
  • the four indoor units 5 are arranged in a line along the height direction of the pillar 80, and the housings of the indoor units 5 are arranged.
  • the body 20 faces the second outer peripheral surface 80b of the column 80.
  • the brackets 40a and 40b of each indoor unit 5 are fixed to the outer rails 207a and 207b of the third unit support portion 203c with a plurality of fasteners such as screws or bolts. Yes.
  • the third indoor unit assembly 3c is fixed to the third unit support portion 203c, the four indoor units 5 are arranged in a line along the height direction of the pillar 80, and the housings of the indoor units 5 are arranged.
  • the body 20 faces the third outer peripheral surface 80c of the column 80.
  • the brackets 40a and 40b of each indoor unit 5 are fixed to the outer rails 207a and 207b of the fourth unit support portion 203d with a plurality of fasteners such as screws or bolts. Yes.
  • the fourth indoor unit assembly 3d is fixed to the fourth unit support portion 203d, the four indoor units 5 are arranged in a line along the height direction of the pillar 80, and the housings of the indoor units 5 are arranged.
  • the body 20 faces the fourth outer peripheral surface 80d of the column 80.
  • the indoor units 5 adjacent to each other in the circumferential direction of the pillar 80.
  • a gap G is formed between them.
  • the gap G extends in the height direction of the column 80 so as to face the four corners of the column 80.
  • the gap G has such a size that an operator can insert a hand or a tool between the indoor unit 5 and the pillar 80.
  • the gap G is covered with a plurality of first decorative panels 212.
  • the first decorative panel 212 has an elongated shape extending in the height direction of the pillar 80.
  • the first decorative panel 212 is fixed to the outer rails 207a, 207b of the first to fourth unit support portions 203a, 203b, 203c, 203d adjacent to each other with a plurality of fasteners such as screws or bolts. Therefore, the first decorative panel 212 can be freely removed by loosening the fastener.
  • the first decorative panel 212 continuously surrounds the pillar 80 in the circumferential direction in cooperation with the first to fourth indoor unit assemblies 3a, 3b, 3c, 3d. Yes. Therefore, an upper space S1 is formed between the outer periphery of the column 80 and the first to fourth indoor unit assemblies 3a, 3b, 3c, 3d.
  • a plurality of exterior panels 110 and a plurality of filters are selectively provided in regions outside the first to fourth indoor unit assemblies 3 a, 3 b, 3 c, 3 d in the frame 200. Removably supported. The exterior panel 110 and the filter are located below the first to fourth indoor unit assemblies 3a, 3b, 3c, and 3d.
  • the exterior panel 110 is attached to the outer rails 207a and 207b of the first to fourth unit support portions 203a, 203b, 203c, and 203d adjacent to each other with a plurality of fasteners such as screws or bolts.
  • the filter includes a square outer frame that removably supports the filter element.
  • the outer frame is attached to the outer bars 207a and 207b of the adjacent first to fourth unit support portions 203a, 203b, 203c, and 203d with a plurality of fasteners such as screws or bolts.
  • the gap between the exterior panels 110 adjacent to each other in the circumferential direction of the pillar 80 and the gap between the exterior panels 110 adjacent to each other in the circumferential direction of the pillar 80 and the filter are covered with the second decorative panel 213.
  • the second decorative panel 213 Similar to the first decorative panel 212, the second decorative panel 213 has an elongated shape extending in the height direction of the pillar 80.
  • the second decorative panel 213 is fixed to the outer rails 207a, 207b of the first to fourth unit support portions 203a, 203b, 203c, 203d adjacent to each other with a plurality of fasteners such as screws or bolts. Therefore, the exterior panel 110, the filter, and the second decorative panel 213 surround the frame 200 and the pillar 80 in cooperation with each other.
  • a lower space S2 is formed between the filter and the second decorative panel 213.
  • the lower space S2 communicates with the upper space S1 and defines a suction passage 215 around the pillar 80 in cooperation with the upper space S1.
  • the suction passage 215 extends over the entire length of the frame 200.
  • the upper end of the suction passage 215 is closed by a plurality of closing plates 216 shown in FIG.
  • the closing plate 216 is attached to the upper end of the frame 200.
  • the suction passage 215 is partitioned from the work area A inside the building 4 and communicates with the work area A via a filter. All the indoor units 5 attached to the frame 200 suck air from the suction passage 215.
  • the suction passage 215 includes the first to fourth liquid side connection pipes 9a, 9b, 9c, 9d and the first to fourth gas side connection pipes 9e connected to all the indoor units 5. , 9f, 9g, and 9h also serve as piping space. Each of the connection pipes 9a to 9h passes through the closing plate 216 and is guided to the upper part of the column 80.
  • the drain pipe 119 connected to the drain ports 33 of all the indoor units 5 is guided to the upper part of the column 80 through the suction passage 215. Furthermore, the wiring 121 electrically connected to all the indoor units 5 is led to the upper part of the column 80 through the suction passage 215.
  • auxiliary equipment such as a fire extinguisher 220 and an air compressor 221 are arranged around the pillar 80 off the first to fourth indoor unit assemblies 3a, 3b, 3c, 3d.
  • a remote controller 222 for operating the fourth indoor unit assemblies 3a, 3b, 3c, 3d is arranged.
  • the fire extinguisher 220 is accommodated in the lower space S2 below the third indoor unit assembly 3c, for example.
  • the exterior panel 110 is removed from the frame 200 at a position corresponding to the fire extinguisher 220. Therefore, the fire extinguisher 220 is exposed to the work area A without being covered with the exterior panel 110.
  • the air compressor 221 and the remote controller 222 are accommodated in the lower space S2 below the first indoor unit assembly 3a, for example.
  • the air compressor 221 and the remote controller 222 are lined up in the height direction of the pillar 80 and are covered with an exterior panel 110 attached to the frame 200.
  • the suction passage 215 is provided with a plurality of inner covers 223 as shown in FIG. 24 in the region where the air compressor 221 and the remote controller 222 face in the lower space S2. It is good to partition from. As a result, the air in the work area A can be prevented from being sucked into the suction passage 215 without passing through the filter, and dust can be prevented from adhering to the air heat exchanger 21 of the indoor unit 5.
  • the frame 200 that supports the first to fourth indoor unit assemblies 3a, 3b, 3c, and 3d on the outer periphery of the column 80 is integrated by combining a plurality of shape steels. Therefore, it has sufficient mechanical strength. Therefore, the housings 20 of all the indoor units 5 can be firmly fixed to the outer peripheral portion of the pillar 80 using the frame 200, and the same effect as in the first embodiment can be obtained.
  • FIG. 25 discloses a third embodiment.
  • the third embodiment is different from the first embodiment in the arrangement direction of the indoor units 5. Other configurations are basically the same as those in the first embodiment. As shown in FIG. 25, in the third embodiment, two square pillars 130 a and 130 b are erected from the floor surface F of the building 4. The pillars 130a and 130b are arranged, for example, in the work area A at intervals.
  • Frames 131a and 131b are assembled to the outer periphery of the pillars 130a and 130b, respectively.
  • Each of the frames 131a and 131b has the same configuration as the lower structure 90 of the frame 81 according to the first embodiment. Therefore, the parts of the frames 131a and 131b are denoted by the same reference numerals as those of the lower structure 90 of the first embodiment, and the description thereof is omitted.
  • one frame 131a is erected vertically from the floor surface F of the building 4 at a position away from the corner of one pillar 130a in a diagonal direction.
  • the other frame 131b is erected vertically from the floor surface F of the building 4 at a position diagonally away from the corner of the other pillar 130a.
  • the indoor unit assembly 132 is stretched horizontally across the upper ends of the frames 131a and 131b.
  • the indoor unit assembly 132 includes, for example, four indoor units 5, and the indoor units 5 are integrally connected using a ladder-shaped subframe 133.
  • the sub-frame 133 includes a pair of frame elements 134a and 134b and a plurality of vertical beams 135.
  • Each frame element 134a, 134b is made of, for example, a shape steel, and extends straight along a horizontal direction orthogonal to the pillars 130a, 130b.
  • the vertical beam 135 is made of, for example, a shape steel.
  • the vertical beams 135 are vertically spanned between the frame elements 134a and 134b, and are arranged at intervals in the longitudinal direction of the frame elements 134a and 134b.
  • the four indoor units 5 are fixed to the subframe 133 so as to straddle between the frame elements 134a and 134b, respectively.
  • One end of each of the frame elements 134a and 134b is fixed to the upper end of one frame 131a with a plurality of fasteners such as screws or bolts.
  • the other end portions of the frame elements 134a and 134b are fixed to the upper end portion of the other frame 131b with a plurality of fasteners such as screws or bolts.
  • the four indoor units 5 are arranged in a row in the horizontal direction so as to cross the work area A at a position higher than the height of the worker M. Therefore, in the third embodiment, air conditioned by the indoor unit 5 is blown out horizontally from the outlet 68 toward the area above the work area A.
  • the sub-frame 133 of the indoor unit 5 is fixed so as to straddle between the upper ends of the frames 131a and 131b.
  • the present invention is not limited to this.
  • a frame is installed so as to surround the outer periphery of the beam, and an indoor unit subframe is fixed to the frame, or indoor units are individually It may be fixed to.
  • the foundation structure is not limited to the pillar of the building, but may be, for example, a beam straddling between adjacent pillars. Furthermore, the foundation structure is not limited to the pillars and beams that are the skeleton of the building, but may be a dedicated column that stands up from the floor of the building to support the indoor unit assembly.
  • the column is not limited to a square column, and may be composed of, for example, an H-shaped steel or an I-shaped steel, or may be configured by combining a plurality of shaped steels.
  • SYMBOLS 1 Air conditioning apparatus, 5 ... Indoor unit, 20 ... Housing

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Duct Arrangements (AREA)
PCT/JP2017/005735 2016-02-17 2017-02-16 空調用室内ユニットおよび空気調和装置 WO2017142026A1 (ja)

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JP2018500196A JP6833802B2 (ja) 2016-02-17 2017-02-16 空調用室内ユニットおよび空気調和装置
CN202110287050.2A CN113028510B (zh) 2016-02-17 2017-02-16 空调用室内单元和空调装置
KR1020217006934A KR102460769B1 (ko) 2016-02-17 2017-02-16 공조용 실내 유닛 및 공기 조화 장치
CN201780011958.2A CN108700310B (zh) 2016-02-17 2017-02-16 空调用室内单元和空调装置

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JP2020051642A (ja) * 2018-09-25 2020-04-02 東芝キヤリア株式会社 空気調和器、空気調和システム
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WO2021192093A1 (ja) * 2020-03-25 2021-09-30 東芝キヤリア株式会社 空気調和機の室内ユニット
WO2021192091A1 (ja) * 2020-03-25 2021-09-30 東芝キヤリア株式会社 空気調和機の室内ユニット
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EP3734179A4 (en) * 2017-12-25 2021-02-24 Daikin Industries, Ltd. AIR CONDITIONING UNIT AND SYSTEM
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KR102230506B1 (ko) 2021-03-19
JP6690044B2 (ja) 2020-04-28
CN113028510B (zh) 2023-03-28
JP6957585B2 (ja) 2021-11-02
KR102460769B1 (ko) 2022-10-28
CN108700310B (zh) 2021-03-12
KR20210029838A (ko) 2021-03-16
JP6833802B2 (ja) 2021-02-24
JP2021047006A (ja) 2021-03-25
JPWO2017142026A1 (ja) 2018-08-02
JP7087049B2 (ja) 2022-06-20
JP2020038056A (ja) 2020-03-12
KR20180100436A (ko) 2018-09-10
JP2019163927A (ja) 2019-09-26
CN108700310A (zh) 2018-10-23
JP2019163926A (ja) 2019-09-26

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