WO2023013730A1 - Dispositif de climatisation - Google Patents

Dispositif de climatisation Download PDF

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Publication number
WO2023013730A1
WO2023013730A1 PCT/JP2022/029963 JP2022029963W WO2023013730A1 WO 2023013730 A1 WO2023013730 A1 WO 2023013730A1 JP 2022029963 W JP2022029963 W JP 2022029963W WO 2023013730 A1 WO2023013730 A1 WO 2023013730A1
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WO
WIPO (PCT)
Prior art keywords
hose
cross
sectional area
air conditioner
heat insulating
Prior art date
Application number
PCT/JP2022/029963
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English (en)
Japanese (ja)
Inventor
恒久 佐柳
寛之 多田
Original Assignee
ダイキン工業株式会社
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 ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Priority to CN202280048634.7A priority Critical patent/CN117616234A/zh
Publication of WO2023013730A1 publication Critical patent/WO2023013730A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • 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
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/26—Refrigerant piping
    • 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
    • F24F13/22—Means for preventing condensation or evacuating condensate

Definitions

  • the present disclosure relates to an air conditioner.
  • a conventional air conditioner includes an indoor unit, an outdoor unit connected to the indoor unit via a refrigerant pipe, and a humidifying unit provided adjacent to the outdoor unit (see Patent Document 1). ).
  • the conventional air conditioner described above is connected to a humidification unit, and includes a humidification duct that takes in air from the outside into the room, and a drain hose that discharges condensed water from the indoor unit to the outside.
  • the humidifying duct, the refrigerant pipe, and the drain hose are inserted through a pipe hole provided in the wall between the indoor and the outdoor.
  • Another conventional air conditioner includes an indoor unit provided with an exhaust unit and an outdoor unit connected to the indoor unit via refrigerant pipes (see Patent Document 1).
  • the other conventional air conditioner described above includes an exhaust duct connected to an exhaust unit for discharging air from the room to the outside, and a drain hose for discharging condensed water from the indoor unit to the outside.
  • the exhaust duct, the refrigerant pipe, and the drain hose are inserted through a pipe hole provided in the wall between the indoor space and the outdoor space.
  • the present disclosure is an air conditioner in which a first hose for taking in air from the outside into the room or discharging air from the room to the outside is inserted into a piping hole along with other piping such as a second hose for discharging drain water from the indoor unit to the outside.
  • An object of the present invention is to provide an air conditioner capable of securing a sufficient amount of ventilation.
  • the air conditioner of the present disclosure is an indoor unit installed indoors; an outdoor unit installed outdoors; a first hose, one end of which is connected to the indoor unit and which takes in air from the outdoors into the room or discharges air from the room to the outdoors; a second hose having one end connected to the indoor unit and discharging drain water from the indoor unit to the outside;
  • the cross-sectional area of the first hose is at least 2.0 times the cross-sectional area of the second hose.
  • the cross-sectional area of the first hose is at least 2.0 times the cross-sectional area of the second hose, so the cross-sectional area of the first hose is less than 2.0 times the cross-sectional area of the second hose
  • the space occupied by the second hose in the piping hole becomes smaller. Therefore, it is possible to increase the space that the first hose can occupy in the piping hole. As a result, since the cross-sectional area of the first hose can be increased, a sufficient amount of ventilation can be secured.
  • the cross-sectional area of the first hose is 2.3 times or more the cross-sectional area of the second hose.
  • the cross-sectional area of the first hose is 2.7 times or more the cross-sectional area of the second hose.
  • An air conditioner of one embodiment includes: a first covering material covering the first hose; and a second covering material covering the second hose, The thickness of the second covering material is thinner than the thickness of the first covering material.
  • the thickness of the second covering material is thinner than the thickness of the first covering material, compared to the case where the thickness of the second covering material is thicker than the thickness of the first covering material, The space occupied by the second covering material can be reduced. Thereby, it is possible to increase the space that the first hose can take in the piping hole. As a result, since the cross-sectional area of the first hose can be increased, a sufficient amount of ventilation can be secured.
  • the thickness of the second covering material is 3.5 mm or less.
  • the outer diameter of the second covering material is 28 mm or less.
  • the indoor unit is connected to the outdoor unit via a refrigerant pipe,
  • the second hose is covered with a third covering material together with the refrigerant pipe.
  • the covering material occupies the inside of the pipe hole compared to the case where the second hose is covered separately from the refrigerant pipe. Space can be made smaller. Thereby, it is possible to increase the space that the first hose can take in the piping hole. As a result, since the cross-sectional area of the first hose can be increased, a sufficient amount of ventilation can be secured.
  • the inner diameter of the second hose is 19 mm or less.
  • the second hose has a cross-sectional area of 347 mm 2 or less.
  • the first hose has a cross-sectional area of 615 mm 2 or more.
  • the material of the second hose is copper.
  • the antibacterial action of copper can suppress the growth of bacteria in the second hose.
  • the second hose is a first portion having one end connected to the indoor unit; a second portion having a cross-sectional area smaller than the cross-sectional area of the first portion; The first portion and the second portion are connected via a different diameter socket.
  • the space occupied by the second hose in the pipe hole is reduced compared to when the first portion is arranged in the pipe hole. can.
  • the first hose is located above the second hose at the outlet of the indoor unit.
  • the first hose Since the cross-sectional area of the first hose is larger than that of the second hose, the first hose is more difficult to bend than the second hose. Therefore, if the first hose is positioned below the second hose at the outlet of the indoor unit, it becomes difficult to bend the first hose and the second hose downward from the outlet of the piping hole. More specifically, when bending the first hose and the second hose downward from the outlet of the piping hole, it is necessary to bend the first hose with a bending radius smaller than the bending radius of the second hose. It becomes difficult to handle. In contrast, in the above-described embodiment, the first hose is positioned higher than the second hose at the outlet of the indoor unit, so even if the first hose is large, it can be easily handled. More specifically, when the first hose and the second hose are bent downward from the outlet of the piping hole, the first hose can be bent with a bending radius larger than the bending radius of the second hose. can be easily handled.
  • FIG. 1 is a schematic configuration diagram of an air conditioner according to a first embodiment of the present disclosure
  • FIG. Fig. 2 is a perspective view showing a state in which liquid refrigerant piping, gas refrigerant piping, a ventilation hose, and a drain hose are pulled out from the indoor unit in the air conditioner according to the first embodiment
  • FIG. 1 is a schematic configuration diagram of an air conditioner according to a first embodiment of the present disclosure
  • FIG. Fig. 2 is a perspective view showing a state in which liquid refrigerant piping, gas refrigerant piping, a ventilation hose, and a drain hose are pulled out from the indoor unit in the air conditioner according to the first embodiment
  • FIG. 11 is a schematic configuration diagram of an air conditioner according to a third embodiment
  • FIG. 11 is a schematic configuration diagram of an air conditioner according to a fourth embodiment
  • the "cross-sectional area" of the tubular member indicates the area of the portion surrounded by the outer circumference of the tubular member in the cross section orthogonal to the direction in which the tubular member extends.
  • the definition of "cross-sectional area” of a tubular member in the present disclosure differs from the general definition of the cross-sectional area of a tubular member.
  • the definition of the “cross-sectional area” of the tubular member in the present disclosure is the cross-sectional area of the portion surrounded by the outer circumference minus the cross-sectional area of the portion surrounded by the inner circumference in the cross section of the tubular member perpendicular to the cross section. is different.
  • FIG. 1 is a schematic configuration diagram of an air conditioner 1 according to this embodiment.
  • the air conditioner 1 includes an indoor unit 10 installed indoors and an outdoor unit 20 installed outdoors.
  • the indoor unit 10 includes an indoor heat exchanger 11 and an indoor fan 12 that sends air to the indoor heat exchanger 11.
  • the outdoor unit 20 includes a compressor 21, a four-way switching valve 22, an outdoor heat exchanger 23, an electric expansion valve 24, an accumulator 25, and an outdoor fan 26 that sends air to the outdoor heat exchanger 23.
  • the air conditioner 1 switches the four-way switching valve 22 to the switching position indicated by the solid line to start the compressor 21 during heating operation, and switches the four-way switching valve 22 to the switching position indicated by the dotted line during cooling operation and dehumidifying operation. to start the compressor 21 .
  • the indoor unit 10 is connected to the outdoor unit 20 via liquid refrigerant piping 30 and gas refrigerant piping 40 .
  • the liquid refrigerant pipe 30 is tubular. A liquid refrigerant flows inside the liquid refrigerant pipe 30 . One end of the liquid refrigerant pipe 30 is connected to the electric expansion valve 24 via a refrigerant pipe connection portion 31 . The other end of the liquid refrigerant pipe 30 is connected to the indoor heat exchanger 11 .
  • the liquid refrigerant piping 30 according to the present embodiment is an example of refrigerant piping according to the present disclosure.
  • the gas refrigerant pipe 40 is tubular. A gas refrigerant flows inside the gas refrigerant pipe 40 . One end of the gas refrigerant pipe 40 is connected to the four-way switching valve 22 via a refrigerant pipe connection portion 41 . The other end of gas refrigerant pipe 40 is connected to indoor heat exchanger 11 .
  • a gas refrigerant pipe 40 according to the present embodiment is an example of a refrigerant pipe according to the present disclosure.
  • the air conditioner 1 of this embodiment includes an air supply hose 50 that takes in air from the outdoors into the room. One end of the air supply hose 50 is connected to the indoor unit 10 .
  • the air supply hose 50 according to this embodiment is an example of the first hose according to the present disclosure.
  • a ventilation device 60 is provided in the outdoor unit 20 in this embodiment.
  • the ventilation device 60 is connected to the indoor unit 10 via the air supply hose 50 .
  • the ventilator 60 includes an intake fan 61 and an intake port 62 . When the intake fan 61 rotates, outside air is taken into the outdoor unit 20 through the intake port 62 .
  • the air taken into the outdoor unit 20 is supplied into the indoor unit 10 via the intake fan 61 and the air supply hose 50 .
  • the outside air supplied to the indoor unit 10 is supplied indoors via an air supply filter (not shown) and the indoor heat exchanger 11 .
  • FIG. 2 is a schematic perspective view of the indoor unit 10 viewed from the rear side.
  • the liquid refrigerant pipe 30 , the gas refrigerant pipe 40 , the air supply hose 50 , and the drain hose 70 described later are drawn out from the indoor unit 10 .
  • the indoor unit 10 includes a substantially rectangular parallelepiped casing 13 .
  • the rear side of the casing 13 is open.
  • Inside the casing 13 are an indoor heat exchanger 11 (shown in FIG. 1), an indoor fan 12 (shown in FIG. 1), and a drain pan (not shown) for receiving drain water generated in the indoor heat exchanger 11. are placed.
  • the indoor unit 10 is fixed to the wall surface by being hooked on a mounting plate 14 fixed to the wall surface.
  • the air conditioner 1 (shown in FIG. 1) of the present embodiment includes a drain hose 70 that is connected to the indoor unit 10 at one end and discharges drain water from the indoor unit 10 to the outside.
  • Drain hose 70 is tubular. One end of the drain hose 70 is connected to the drain pan, and guides the drain water accumulated in the drain pan to the outside of the room.
  • the material of the drain hose 70 of this embodiment is copper.
  • the material of the drain hose 70 is not limited to copper, and may be resin.
  • the drain hose 70 according to this embodiment is an example of the second hose according to the present disclosure.
  • the drain hose 70 includes a first portion 70a having one end connected to the indoor unit 10, and a second portion 70b having a smaller cross-sectional area than the first portion 70a.
  • the first portion 70a and the second portion 70b are connected via a socket 80 of different diameter.
  • One end of the first portion 70a is connected to the drain pan.
  • the other end of the first portion 70 a is connected to a different diameter socket 80 .
  • the other end of the first portion 70a is located between the connecting portion between the drain pan and the drain hose 70 and a piping hole H (shown in FIG. 3) provided in the wall surface and described later.
  • the entire first portion 70 a is arranged inside the casing 13 .
  • One end of the second portion 70b is connected to the different diameter socket 80.
  • the other end of the second portion 70b is arranged outdoors.
  • the outer diameter of the second portion 70b of this embodiment is smaller than the outer diameter of the first portion 70a.
  • the different diameter socket 80 is tubular.
  • the different-diameter socket 80 includes a large-diameter portion 80a and a small-diameter portion 80b having a smaller cross-sectional area than the large-diameter portion 80a.
  • the large diameter portion 80 a is connected to the first portion 70 a of the drain hose 70 .
  • the small diameter portion 80b of the different diameter socket 80 is connected to the second portion 70b of the drain hose 70 .
  • the different diameter socket 80 is arranged inside the casing 13 . More specifically, the different-diameter socket 80 is arranged between the connecting portion between the drain pan and the drain hose 70 and the outlet 10a of the indoor unit 10, which will be described later.
  • an outlet 10a is formed for pulling out the liquid refrigerant pipe 30, the gas refrigerant pipe 40, the air supply hose 50, and the drain hose 70 from inside the indoor unit 10.
  • the outlet 10 a of the indoor unit 10 is part of the opening on the back side of the casing 13 that is not covered by the mounting plate 14 .
  • the outlet 10a of the indoor unit 10 of this embodiment is formed at a corner formed by the side plate and the bottom plate of the casing 13 when the indoor unit 10 is viewed from the rear side. More specifically, the outlet 10a of the indoor unit 10 of this embodiment is formed at the corner formed by the right side plate and the bottom plate when the indoor unit 10 is viewed from the rear side.
  • the air supply hose 50 is located above the drain hose 70 at the outlet 10 a of the indoor unit 10 .
  • Above the drain hose 70 includes that the axial center of the air supply hose 50 is above the axial center of the drain hose 70 . Further, “above” is not limited to directly above, and includes obliquely above.
  • FIG. 3 is a cross-sectional view showing how the liquid refrigerant pipe 30, the gas refrigerant pipe 40, the air supply hose 50, and the drain hose 70 are inserted through the pipe hole H.
  • the piping hole H is provided in the wall surface on which the indoor unit 10 is installed.
  • the liquid refrigerant pipe 30, the gas refrigerant pipe 40, the air supply hose 50, and the drain hose 70 are pulled out from the interior of the indoor unit 10 via the outlet 10a (shown in FIG. 2) of the indoor unit 10 described above, It is pulled out to the outside through the piping hole H.
  • FIG. 3 shows cross sections of the liquid refrigerant pipe 30, the gas refrigerant pipe 40, the air supply hose 50, and the drain hose 70 perpendicular to their respective extending directions.
  • a liquid refrigerant pipe 30, a gas refrigerant pipe 40, an air supply hose 50, and a drain hose 70 are inserted through the pipe hole H. More specifically, the liquid refrigerant pipe 30, the gas refrigerant pipe 40, the air supply hose 50, and the second portion 70b of the drain hose 70 are inserted through the pipe hole H. As shown in FIG. A sleeve S is fitted to the inner peripheral surface defining the pipe hole H. As shown in FIG. The air supply hose 50 , the second portion 70 b of the drain hose 70 , the liquid refrigerant pipe 30 , and the gas refrigerant pipe 40 are inserted through this sleeve S.
  • the gas refrigerant pipe 40 In addition to the liquid refrigerant pipe 30, the gas refrigerant pipe 40, the air supply hose 50, and the drain hose 70, electric wires (not shown) and the like are also inserted through the sleeve S.
  • the diameter of the piping hole H of this embodiment is 80 mm.
  • the air supply hose 50 of this embodiment is tubular and has an annular cross-sectional shape in the cross section shown in FIG.
  • the outer diameter of the air supply hose 50 is 30.6 mm.
  • the cross-sectional area of the air supply hose 50 is approximately 735 mm 2 .
  • the air supply hose 50 has a bellows shape, and the outer diameter of the air supply hose 50 means the diameter of the outermost peripheral portion of the air supply hose 50 .
  • the outer circumference of the air supply hose 50 is covered with a first heat insulating material 51 .
  • the thermal conductivity of the first heat insulating material 51 of this embodiment is 0.035 (W/m ⁇ K).
  • the first heat insulating material 51 according to the present embodiment is an example of the first covering material according to the present disclosure.
  • the first heat insulating material 51 is tubular and has an annular cross-sectional shape in the cross section shown in FIG.
  • the thickness of the first heat insulating material 51 is 3.5 mm.
  • the outer diameter of the first heat insulating material 51 is 37.6 mm.
  • the cross-sectional area of the first heat insulating material 51 is approximately 1110 mm 2 .
  • the inner diameter of the first heat insulating material 51 is 30.6 mm, which is the same as the outer diameter of the air supply hose 50 .
  • the drain hose 70 of this embodiment is tubular and has an annular cross-sectional shape in the cross section shown in FIG.
  • the outer diameter of the drain hose 70 is 21 mm.
  • the cross-sectional area of the drain hose 70 is approximately 346 mm 2 .
  • the inner diameter of the drain hose 70 is 19 mm.
  • the drain hose 70 has a bellows shape.
  • the outer diameter of the drain hose 70 means the diameter of the outermost periphery of the drain hose 70 .
  • the inner diameter of the drain hose 70 means the diameter of the innermost peripheral portion of the drain hose 70 .
  • the outer circumference of the drain hose 70 is covered with a second heat insulating material 71 .
  • the thermal conductivity of the second heat insulating material 71 of this embodiment is 0.022 (W/m ⁇ K).
  • the second heat insulating material 71 of the present embodiment is an example of the second covering material according to the present disclosure.
  • the second heat insulating material 71 is tubular and has an annular cross-sectional shape in the cross section shown in FIG.
  • the thickness of the second heat insulating material 71 is 2.2 mm.
  • the thickness of the second heat insulating material 71 is thinner than the thickness of the first heat insulating material 51 .
  • the outer diameter of the second heat insulating material 71 is 25.4 mm.
  • the cross-sectional area of the second heat insulating material 71 is approximately 506 mm 2 .
  • the inner diameter of the second heat insulating material 71 is 21 mm, which is the same as the outer diameter of the drain hose 70 .
  • the cross-sectional area of the air supply hose 50 is approximately 735 mm 2 and the cross-sectional area of the drain hose 70 is approximately 346 mm 2 .
  • the cross-sectional area of the air supply hose 50 is approximately 2.12 times the cross-sectional area of the drain hose 70 .
  • the liquid refrigerant pipe 30 of this embodiment has an annular cross-sectional shape in the cross-section shown in FIG.
  • the outer diameter of the liquid refrigerant pipe 30 is 6.3 mm.
  • the outer circumference of the liquid refrigerant pipe 30 is covered with a third heat insulating material 32 .
  • the thermal conductivity of the third heat insulating material 32 of this embodiment is 0.040 (W/m ⁇ K).
  • the third heat insulating material 32 is tubular and has an annular cross-sectional shape in the cross section shown in FIG.
  • the thickness of the third heat insulating material 32 is 8.0 mm.
  • the outer diameter of the third heat insulating material 32 is 24 mm.
  • the cross-sectional area of the third heat insulating material 32 is approximately 452 mm 2 . In other words, the cross-sectional area of the portion surrounded by the outer periphery of the third heat insulating material 32 is approximately 452 mm 2 .
  • the gas refrigerant pipe 40 of this embodiment has an annular cross-sectional shape in the cross-section shown in FIG.
  • the outer diameter of the gas refrigerant pipe 40 is 9.5 mm.
  • the outer circumference of the gas refrigerant pipe 40 is covered with a fourth heat insulating material 42 .
  • the thermal conductivity of the fourth heat insulating material 42 of this embodiment is 0.040 (W/m ⁇ K).
  • the fourth heat insulating material 42 is tubular and has an annular cross-sectional shape in the cross section shown in FIG.
  • the thickness of the fourth heat insulating material 42 is 8.0 mm.
  • the outer diameter of the fourth heat insulating material 42 is 27 mm.
  • the cross-sectional area of the fourth heat insulating material 42 is approximately 572 mm 2 . In other words, the cross-sectional area of the portion surrounded by the outer periphery of the fourth heat insulating material 42 is approximately 572 mm 2 .
  • the inner diameter of the sleeve S is 76 mm.
  • the cross-sectional area of the space defined by the inner peripheral surface of the sleeve S is approximately 4536 mm 2 .
  • the cross-sectional area of the air supply hose 50 is about 735 mm 2 .
  • the air supply hose 50 occupies about 16% of the cross-sectional area of the space defined by the inner peripheral surface of the sleeve S.
  • the cross-sectional area of the air supply hose 50 is about 2.12 times the cross-sectional area of the drain hose 70, but is not limited to this, and is 2.0 times or more the cross-sectional area of the drain hose 70. I wish I had.
  • the cross-sectional area of the air supply hose 50 is preferably at least 2.3 times the cross-sectional area of the drain hose 70 . More preferably, the cross-sectional area of the air supply hose 50 is 2.7 times or more the cross-sectional area of the drain hose 70 .
  • the dimensions of the air supply hose 50 and the drain hose 70 have been described above, these dimensions can be appropriately changed within a range in which the cross-sectional area of the air supply hose 50 is 2.0 times or more the cross-sectional area of the drain hose 70. .
  • the cross-sectional area of the air supply hose 50 was approximately 735 mm 2 , but is not limited to this.
  • the cross-sectional area of the air supply hose 50 is preferably 615 mm 2 or more and 866 mm 2 or less.
  • the outer diameter of the air supply hose 50 is preferably 28 mm or more and 33.2 mm or less.
  • the cross-sectional area of the drain hose 70 was approximately 346 mm 2 , but is not limited to this. It is preferable that the cross-sectional area of the drain hose 70 is 347 mm 2 or less. In other words, the outer diameter of drain hose 70 is preferably 21 mm or less.
  • the inner diameter of the drain hose 70 was 19 mm, it is not limited to this. It is preferable that the inner diameter of the drain hose 70 is 19 mm or less.
  • first heat insulating material 51 the second heat insulating material 71, the liquid refrigerant pipe 30, the third heat insulating material 32, the gas refrigerant pipe 40, and the fourth heat insulating material 42 have been described above, these dimensions can also be changed as appropriate. .
  • the thickness of the first heat insulating material 51 is 3.5 mm in this embodiment, it is not limited to this.
  • the thickness of the first heat insulating material 51 is preferably 1.1 mm or more and 3.5 mm or less. More preferably, the thickness of the first heat insulating material 51 is 1.1 mm or more and 2.2 mm or less.
  • the space occupied by the first heat insulating material 51 in the pipe hole H is smaller than when the thickness of the first heat insulating material 51 is 3.5 mm. Therefore, the space that can be taken by the air supply hose 50 is increased.
  • the thermal conductivity of the first heat insulating material 51 is reduced from 0.035 (W/mK) to 0.022 (W/mK). ), equivalent heat insulation performance can be secured.
  • the thickness of the second heat insulating material 71 is 2.2 mm in this embodiment, it is not limited to this.
  • the second heat insulating material 71 may be thicker than 2.2 mm or thinner than 2.2 mm.
  • the thickness of the second heat insulating material 71 is preferably 1.1 mm or more and 3.5 mm or less. More preferably, the thickness of the second heat insulating material 71 is 1.1 mm or more and 2.2 mm or less.
  • the outer diameter of the second heat insulating material 71 is 25.4 mm in this embodiment, it is not limited to this. It is preferable that the outer diameter of the second heat insulating material 71 is 28 mm or less.
  • the air conditioner 1 has the following functions.
  • the cross-sectional area of the air supply hose 50 is 2.0 times or more (more specifically, about 2.12 times) the cross-sectional area of the drain hose 70, so the cross-sectional area of the air supply hose 50 is less than 2.0 times the cross-sectional area of the drain hose 70, the space occupied by the drain hose 70 in the pipe hole H becomes smaller. Therefore, the space that can be taken by the air supply hose 50 in the pipe hole H can be increased. As a result, the cross-sectional area of the air supply hose 50 can be increased, and a sufficient amount of ventilation can be secured.
  • the thickness of the second heat insulating material 71 is thinner than the thickness of the first heat insulating material 51, compared with the case where the thickness of the second heat insulating material 71 is thicker than the thickness of the first heat insulating material 51, , the space occupied by the second heat insulating material 71 in the piping hole H can be reduced. Thereby, the space that can be taken by the air supply hose 50 in the pipe hole H can be increased. As a result, the cross-sectional area of the air supply hose 50 can be increased, and a sufficient amount of ventilation can be secured.
  • the material of the drain hose 70 is copper, the growth of bacteria in the drain hose 70 can be suppressed by the antibacterial effect of copper.
  • the drain inside the pipe hole H is reduced compared to the case where the first portion is arranged inside the pipe hole H.
  • the space occupied by the hose 70 can be reduced.
  • the space that can be taken by the air supply hose 50 in the pipe hole H can be increased.
  • the cross-sectional area of the air supply hose 50 can be increased, and a sufficient amount of ventilation can be secured.
  • the air supply hose 50 Since the outer diameter of the air supply hose 50 is larger than the outer diameter of the drain hose 70, the air supply hose 50 is more difficult to bend than the drain hose 70. Therefore, if the air supply hose 50 is positioned below the drain hose 70 at the outlet 10a of the indoor unit 10, it becomes difficult to handle when the air supply hose 50 and the drain hose 70 are bent downward from the outlet of the piping hole H. . More specifically, when the air supply hose 50 and the drain hose 70 are bent downward from the outlet of the piping hole H, it is necessary to bend the air supply hose 50 with a smaller bending radius than the bend radius of the drain hose 70. It becomes difficult to handle the air hose 50.
  • the air supply hose 50 is positioned above the drain hose 70 at the outlet 10a of the indoor unit 10, so even if the air supply hose 50 becomes large, it can be easily handled. . More specifically, when the air supply hose 50 and the drain hose 70 are bent downward from the outlet of the piping hole H, the air supply hose 50 can be bent with a bending radius larger than the bending radius of the drain hose 70. The handling of the air supply hose 50 can be facilitated.
  • FIG. 4 is a cross-sectional view showing how the liquid refrigerant pipe 30, the gas refrigerant pipe 40, the air supply hose 50, and the drain hose 70 according to the second embodiment are inserted through the pipe hole H.
  • the air conditioner 101 of the second embodiment differs from the air conditioner 1 of the first embodiment in that the drain hose 70 and the liquid refrigerant pipe 30 are collectively covered with the fifth heat insulating material 190 .
  • the same reference numerals are given to the same configurations as in the first embodiment, and a detailed description thereof will be given with reference to FIGS. omitted.
  • the drain hose 70 and the liquid refrigerant pipe 30 are collectively covered with the fifth heat insulating material 190 .
  • the fifth heat insulating material 190 of this embodiment has the same heat insulating performance as the third heat insulating material 32 (shown in FIG. 3) of the first embodiment.
  • the fifth heat insulating material 190 of the present embodiment is an example of the third covering material according to the present disclosure.
  • the air conditioner 101 according to the second embodiment has the same functions as the air conditioner 1 according to the first embodiment.
  • the drain hose 70 and the liquid refrigerant pipe 30 are collectively covered with the fifth heat insulating material 190, when the drain hose 70 and the liquid refrigerant pipe 30 are covered with separate heat insulating materials
  • the space occupied by the heat insulating material in the piping hole H can be made smaller as compared with . Thereby, the space that can be taken by the air supply hose 50 in the pipe hole H can be increased. As a result, the cross-sectional area of the air supply hose 50 can be increased, and the amount of ventilation by the ventilation device 60 can be ensured.
  • the present invention is not limited to this.
  • the drain hose 70 and the gas refrigerant pipe 40 may be collectively covered with the fifth heat insulating material 190 .
  • the difference between the temperature of the drain hose 70 and the temperature of the liquid refrigerant pipe 30 is smaller than the difference between the temperature of the drain hose 70 and the temperature of the gas refrigerant pipe 40 .
  • the drain hose 70 and the liquid refrigerant pipe 30 are collectively covered with the fifth heat insulating material 190, compared with the case where the drain hose 70 and the gas refrigerant pipe 40 are collectively covered with the fifth heat insulating material 190, , less heat loss. Accordingly, it is preferable from the viewpoint of heat loss to collectively cover the drain hose 70 and the liquid refrigerant pipe 30 with the fifth heat insulating material 190 .
  • FIG. 5 is a schematic configuration diagram of an air conditioner 201 according to the third embodiment.
  • the air conditioner 1 of the third embodiment has an exhaust hose 250 and an exhaust device 260 instead of the air supply hose 50 (shown in FIG. 1) and the ventilation device 60 (shown in FIG. 1), which is the same as the first embodiment. is different from the air conditioner 1 of In the third embodiment, components similar to those in the first embodiment are denoted by the same reference numerals, and a detailed description thereof will be given with reference to FIGS. omitted.
  • the air conditioner 201 of this embodiment includes an exhaust hose 250 that discharges air from the room to the outside.
  • One end of the exhaust hose 250 is connected to the indoor unit 10 .
  • the other end of the exhaust hose 250 is arranged outdoors.
  • the exhaust hose 250 according to this embodiment is an example of the first hose according to the present disclosure.
  • the exhaust hose 250 of this embodiment is covered with the first heat insulating material 51, like the air supply hose 50 of the first embodiment.
  • the exhaust hose 250 of this embodiment is the same as the air supply hose 50 of the first embodiment in terms of dimensions and positional relationship with other components.
  • the exhaust device 260 is provided in the indoor unit 10.
  • the exhaust device 260 is connected to the outside through an exhaust hose 250 .
  • the exhaust device 260 includes an intake fan 261 and an intake port 262 . When the intake fan 261 rotates, air is taken into the indoor unit 10 from the room through the intake port 262 . The air taken into the indoor unit 10 is discharged to the outside via the intake fan 261 and the exhaust hose 250 .
  • the air conditioner 201 according to the third embodiment has the same functions as the air conditioner 1 according to the first embodiment.
  • FIG. 6 is a schematic configuration diagram of an air conditioner 301 according to the fourth embodiment.
  • the air conditioner 1 of the fourth embodiment has a humidifying hose 350 and a humidifying device 360 instead of the air supply hose 50 (shown in FIG. 1) and the ventilator 60 (shown in FIG. 1). is different from the air conditioner 1 of
  • the same reference numerals are given to the same components as in the first embodiment, and a detailed description thereof will be given with reference to FIGS. omitted.
  • the air conditioner 301 of this embodiment includes a humidification hose 350 that takes air from the outdoors into the room.
  • One end of the humidifying hose 350 is connected to the indoor unit 10 .
  • the humidifying hose 350 according to the present embodiment is an example of the first hose according to the present disclosure.
  • the humidifying hose 350 of this embodiment is covered with the first heat insulating material 51, like the air supply hose 50 of the first embodiment.
  • the humidifying hose 350 of the present embodiment is similar to the air supply hose 50 of the first embodiment in terms of dimensions and positional relationship with other components.
  • a humidifier 360 is provided in the outdoor unit 20 in this embodiment.
  • a humidifying device 360 is connected to the indoor unit 10 via a humidifying hose 350 .
  • the humidifier 360 includes a humidifier main body 361 having an intake fan and an intake port 362 . When the intake fan rotates, outside air is taken into the outdoor unit 20 through the intake port 362 .
  • the air taken into the outdoor unit 20 is supplied into the indoor unit 10 via the humidifier main body 361 and the humidifying hose 350 .
  • the air taken into the outdoor unit 20 is humidified by the humidifier main body 361 and supplied to the indoor unit 10 .
  • the outside air supplied to the indoor unit 10 is supplied indoors via an air supply filter (not shown) and the indoor heat exchanger 11 .
  • the air conditioner 301 according to the fourth embodiment has the same functions as the air conditioner 1 according to the first embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Thermal Insulation (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

Un dispositif de climatisation (1) comprend : une unité intérieure (10) installée à l'intérieur ; une unité extérieure (20) installée à l'extérieur ; un premier tuyau flexible (50), dont une extrémité est reliée à l'unité intérieure (10), destiné à aspirer de l'air de l'extérieur vers l'intérieur, ou destiné à évacuer l'air de l'intérieur vers l'extérieur ; et un second tuyau flexible (70), dont une extrémité est reliée à l'unité intérieure (10), destiné à évacuer l'eau d'égouttage à partir de l'intérieur de l'unité intérieure vers l'extérieur. L'aire en section transversale du premier tuyau flexible (50) n'est pas inférieure à 2,0 fois l'aire en section transversale du second tuyau flexible (70).
PCT/JP2022/029963 2021-08-05 2022-08-04 Dispositif de climatisation WO2023013730A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202280048634.7A CN117616234A (zh) 2021-08-05 2022-08-04 空调装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-128939 2021-08-05
JP2021128939A JP2023023413A (ja) 2021-08-05 2021-08-05 空気調和装置

Publications (1)

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WO2023013730A1 true WO2023013730A1 (fr) 2023-02-09

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JP (1) JP2023023413A (fr)
CN (1) CN117616234A (fr)
WO (1) WO2023013730A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1062002A (ja) * 1996-08-23 1998-03-06 Sharp Corp 空気調和機の通風ダクト
JP2005016663A (ja) * 2003-06-27 2005-01-20 Matsushita Electric Ind Co Ltd セパレート型空気調和機の冷媒配管穴用スリーブ
JP2005055058A (ja) * 2003-08-04 2005-03-03 Mitsubishi Electric Corp 空気調和装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1062002A (ja) * 1996-08-23 1998-03-06 Sharp Corp 空気調和機の通風ダクト
JP2005016663A (ja) * 2003-06-27 2005-01-20 Matsushita Electric Ind Co Ltd セパレート型空気調和機の冷媒配管穴用スリーブ
JP2005055058A (ja) * 2003-08-04 2005-03-03 Mitsubishi Electric Corp 空気調和装置

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CN117616234A (zh) 2024-02-27

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