WO2007108435A1 - Dispositif de climatisation monte au plafond - Google Patents

Dispositif de climatisation monte au plafond Download PDF

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Publication number
WO2007108435A1
WO2007108435A1 PCT/JP2007/055501 JP2007055501W WO2007108435A1 WO 2007108435 A1 WO2007108435 A1 WO 2007108435A1 JP 2007055501 W JP2007055501 W JP 2007055501W WO 2007108435 A1 WO2007108435 A1 WO 2007108435A1
Authority
WO
WIPO (PCT)
Prior art keywords
casing
drain
air conditioner
drain water
ceiling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2007/055501
Other languages
English (en)
Japanese (ja)
Inventor
Tomohiro Yabu
Tetsuya Morizane
Kouichi Yasuo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of WO2007108435A1 publication Critical patent/WO2007108435A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F2013/0616—Outlets that have intake openings

Definitions

  • the present invention relates to a ceiling-mounted air conditioner, in particular, a casing having a substantially rectangular shape in plan view, a heat exchanger disposed in the casing along the two long sides of the casing, and a heat
  • the present invention relates to a ceiling-mounted air conditioner equipped with a blower fan arranged between the short sides of an intersection.
  • a casing having a substantially rectangular shape in plan view is provided, and a heat exchanger is disposed along two long sides of the casing in plan view of the casing. At the same time, there is a fan that is arranged between the short sides of the casing of the heat exchanger.
  • a drain pan is disposed below the heat exchanger. In the drain pan, a drain water receiving portion for receiving drain water generated by condensation of moisture in the air in the heat exchanger is formed along the arrangement of the heat exchangers.
  • the drain water receiving portion is formed so as to extend toward one end side force other end side in the casing long side direction along two long sides of the drain pan in a plan view of the casing.
  • the two drain water receiving portions are provided with a gradient of a predetermined angle so that the drain water flows by the force on one end side in the casing long side direction also directed toward the other end side, and the other end in the casing long side direction is provided.
  • it is set at a position lower than the height position of the drain water receiving part, and a drain water storing part for storing drain water flowing in from the two drain water receiving parts is formed.
  • a drain pump for discharging the drain water received in the drain water receiving part and flowing into the drain water storage part to the outside of the casing is arranged.
  • Patent Document 1 Japanese Patent Laid-Open No. 9-53837
  • the drain pump is disposed in the drain water storage portion formed near the other end in the casing long side direction.
  • the one end side force in the casing long side direction of the drain water receiving portion is provided with a gradient over the other end side.
  • the height of the drain pan is increased in order to ensure such a gradient.
  • An object of the present invention is a casing having a substantially rectangular shape in plan view, a heat exchanger disposed in the casing along the two long side directions of the casing, and a short side direction of the heat exchanger.
  • a ceiling-mounted air conditioner equipped with a blower fan the height dimension of the drain pan is reduced to enable a reduction in thickness.
  • the ceiling-mounted air conditioner according to the first invention includes a casing having a substantially rectangular shape in plan view, a heat exchanger, a blower fan, a drain pan, and a drain pump.
  • the heat exchanger is arranged in the casing along the two long sides of the casing in a plan view of the casing.
  • the blower fan is disposed between the casing short sides of the heat exchanger in a plan view of the casing.
  • the drain pan is disposed below the heat exchanger and has a groove for receiving drain water generated by condensation of moisture in the air in the heat exchanger.
  • the drain pump discharges the drain water received in the groove part out of the casing.
  • the lowermost part of the groove part and the drain pump are arranged substantially at the center in the longitudinal direction of the casing in a plan view of the casing.
  • the lowermost portions of the drain pump and drain pan grooves are arranged at the approximate center in the casing long side direction, so the lowermost portions of the drain pump and drain pan grooves are at one end side in the casing long side direction.
  • the position force farthest from the lowermost part of the groove part to the lowermost part of the groove part becomes shorter.
  • the height of the drain pan necessary for providing a gradient in the groove of the drain pan can be reduced, so that the ceiling-mounted air conditioner can be made thinner.
  • the ceiling-mounted air conditioner according to the second invention is the ceiling-mounted air conditioner according to the first invention.
  • a drain pipe is connected to the drain pump for sending drain water discharged from the drain pump to a drain drain pipe installed outside the casing.
  • a ceiling-mounted air conditioner according to a third aspect of the present invention is the ceiling-mounted air conditioner according to the second aspect of the present invention, wherein the drain pipe is disposed between the blower fan and the heat exchanger.
  • this ceiling-mounted air conditioner when the air passing through the heat exchanger is cooled, moisture in the air is condensed and drain water is generated, and this drain water is received by the groove. Later, it is sent by the drain pump through the drain pipe to the drain drain pipe outside the casing. At this time, in this ceiling-mounted air conditioner, since the drain pipe is installed between the blower fan and the heat exchanger, the air is cooled by the drain water flowing in the drain pipe. As a result, this ceiling-mounted air conditioner can effectively utilize the cold heat of the drain water generated by the operation in which the air passing through the heat exchange is cooled.
  • a ceiling-mounted air conditioner according to a fourth aspect of the present invention is the ceiling-mounted air conditioner according to the third aspect of the present invention, wherein the drain pipe is arranged at a position substantially immediately above the groove.
  • the drain pipe is arranged at a position just above the groove, so that the air that passes through the heat exchanger ⁇ is cooled, and this occurs in the drain pipe. Drain water can be received reliably.
  • a ceiling-mounted air conditioner according to a fifth aspect of the present invention is the ceiling-mounted air conditioner according to the third or fourth aspect of the present invention, wherein the drain pipe is made of copper.
  • the drain pipe is made of copper, so that the heat conductivity is high, and cooling of the air by the drain water can be promoted.
  • a ceiling-mounted air conditioner according to a sixth aspect of the present invention is the ceiling-mounted air conditioner according to any of the second to fifth aspects, wherein the drain pipe is inclined downward toward the drain drain pipe. Arranged to be
  • a ceiling-mounted air conditioner according to a seventh aspect of the present invention is the ceiling-mounted air conditioner according to any of the second to sixth aspects of the invention, wherein the heat exchanger is installed outside the casing.
  • a refrigerant pipe for exchanging refrigerant with the refrigerant communication pipe is connected.
  • the drain pipe is arranged so as to penetrate the casing near the position where the refrigerant pipe penetrates the casing.
  • a ceiling-installed air conditioner according to an eighth invention is the ceiling-installed air conditioner according to any of the first to seventh inventions, wherein the casing 2 of the heat exchanger is viewed in plan view of the casing. Of the portions along one of the long sides, the heat exchange central portion, which is a portion at the center of the casing long side direction, protrudes toward the other long side of the casing.
  • the heat exchange central portion which is a substantially central portion in the casing long side direction, of the portions along one of the two long sides of the casing of the heat exchanger, Since it protrudes toward the other long side of the casing, the portion along one of the two long sides of the casing of the heat exchanger in the groove of the drain pan is positioned at the approximate center in the casing long side direction. It can be connected to the other long side of the casing.
  • the heat transfer area can be increased by projecting the central part of the heat exchanger toward the other long side of the casing, so that the heat transfer area can be increased.
  • the size in the long side direction can be reduced. And when reducing the size of the casing in the longitudinal direction, the position of the lowest part of the groove part is the farthest position force of the groove part. The distance to the lowest part of the groove part is further shortened.
  • the required drain pan height can be further reduced.
  • a ceiling-mounted air conditioner according to a ninth aspect of the present invention is the ceiling-mounted air conditioner according to the eighth aspect of the present invention, in one of the two long sides of the casing of the heat exchanger in a plan view of the casing.
  • a heat exchange end portion which is an end portion in the casing long side direction of the portion along the side extends toward the other long side of the casing.
  • the heat exchanger case is seen in a plan view of the casing.
  • the heat exchanger end which is the end in the casing long side direction, of the part along one of the two long sides of a single thing extends toward the other long side of the casing.
  • the area can be further increased.
  • the heat exchange capacity can be further improved, and the size of the casing in the long side direction can be further reduced.
  • the distance from the lowest part of the groove part to the lowest part of the groove part of the groove part is further shortened, so that a gradient is provided in the groove part of the drain pan.
  • the required drain pan height can be further reduced by J / J.
  • a ceiling-mounted air conditioner according to a tenth aspect of the invention is the ceiling-mounted air conditioner according to the eighth or ninth aspect of the invention, wherein the drain pump is disposed on the side of the heat blowing center opposite to the fan side Has been.
  • the drain pump is disposed on the side of the heat exchange center on the side opposite to the blower fan, so that the heat exchange center is protruded toward the other long side of the casing. Space can be used effectively.
  • a ceiling-mounted air conditioner according to an eleventh aspect of the invention is the ceiling-mounted air conditioner according to any of the first to tenth aspects of the invention, wherein the drain pump has two types of casing for the heat exchanger. It is arranged between a part along one of the long sides and a part along the other long side of the casing.
  • the drain pump is disposed between a portion along one of the two long sides of the casing of the heat exchanger and a portion along the other long side of the casing. Noise resulting from the operation sound of the drain pump can be reduced.
  • FIG. 1 is an external perspective view of a ceiling-mounted air conditioner according to an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view of the air conditioner, corresponding to the AA cross section of FIG.
  • FIG. 3 is a schematic plan view of the air conditioner with the top plate removed, looking upward.
  • FIG. 4 is a schematic cross-sectional view of the air conditioner, corresponding to the BB cross section of FIG.
  • FIG. 5 is a schematic cross-sectional view of the air conditioner, corresponding to the CC cross section of FIG.
  • FIG. 6 is a schematic cross-sectional view of the air conditioner, and corresponds to a DD cross section of FIG.
  • FIG. 7 is a schematic cross-sectional view of an air conditioner according to Modification 1 and corresponds to FIG.
  • FIG. 8 is a schematic plan view of the air conditioner in a state where the top plate according to modification example 1 is removed, also viewed from above.
  • Fig. 9 is a schematic plan view of the air conditioner in a state where the top plate according to the modified example 2 is removed, in which upward force is also seen.
  • FIG. 10 is a schematic plan view of the air conditioner with the top plate according to Modification 2 removed, as viewed from above.
  • FIG. 11 is a schematic plan view of the air-conditioning apparatus in a state where the top plate according to Modification 2 is removed, and also viewing upward force.
  • FIG. 12 is a schematic plan view of the air conditioner in a state where the top plate according to the modified example 2 is removed, in which the upward force is also viewed.
  • FIG. 1 shows an external perspective view (ceiling is omitted) of a ceiling-mounted air conditioner 1 according to an embodiment of the present invention.
  • the air conditioner 1 of the present embodiment is an air conditioner that is installed in a ceiling-embedded form, and mainly includes a casing 2 that houses various components therein.
  • FIG. 2 is a schematic cross-sectional view of the air conditioner 1, and corresponds to a cross section AA in FIG.
  • FIG. 3 is a schematic plan view of the air conditioner 1 with the top plate 21 removed, as viewed from above.
  • FIG. 4 is a schematic cross-sectional view of the air conditioner 1, and corresponds to a cross section BB in FIG.
  • FIG. 5 is a schematic cross-sectional view of the air conditioner 1, and corresponds to the CC cross section of FIG.
  • FIG. 6 is a schematic cross-sectional view of the air conditioner 1, and corresponds to a cross section D-D in FIG.
  • the casing body 2a constitutes an upper surface and a side surface of the casing 2, and in the plan view, a substantially rectangular top plate 21 formed such that long sides and short sides are alternately continuous, and the top Side plates 22, 23, 24, and 25 extend downward from the peripheral edge of the plate 21.
  • the side plates 22 and 24 correspond to the long sides of the top plate 21, respectively, and constitute a pair of opposite sides facing each other.
  • the side plates 23 and 25 correspond to the short sides of the top plate 21, respectively, and constitute a pair of opposite sides facing each other.
  • the drain pan 2b constitutes the lower surface of the casing 2, and is a substantially rectangular plate-like member formed so that the long side and the short side are alternately continuous in the plan view, like the top plate 21. It mainly has a drain pan body 26.
  • the drain pan body 26 is formed with a plurality (two in this case) of suction openings 26a and 26b in the plan view of the casing 2.
  • the suction openings 26a and 26b are located substantially symmetrically with respect to a plane that divides the drain pan 2b into two in the longitudinal direction of the casing in the plan view of the casing 2 and the drain pan 2b in the casing 2 in the plan view. It is arranged at the approximate center in the short side direction.
  • the suction openings 26a and 26b are substantially circular holes in the present embodiment.
  • the casing long side direction means the side plates 22 and 24 of the casing 2. The direction along.
  • the casing short side direction refers to a direction along the side plates 23 and 25 of the casing 2, and is orthogonal to the casing long side direction in the plan view of the casing 2.
  • the suction opening on the side plate 23 side is referred to as a suction opening 26a
  • the suction opening on the side plate 25 side is referred to as a suction opening 26b.
  • the drain pan main body 26 is formed with a plurality of (here, two) blowout openings 26c and 26d in a plan view of the casing 2.
  • the blowout openings 26c and 26d are arranged at positions on both end sides (that is, the side plates 22 and 24 side) of the drain pan main body 26 in the casing short side direction in a plan view of the casing 2.
  • the blowout openings 26c and 26d are elongated cutout portions extending along the two long sides of the drain pan body 26 in a plan view of the casing 2.
  • the air outlet on the side plate 22 side is referred to as an air outlet 26c
  • the air outlet on the side plate 24 side is referred to as an air outlet 26d.
  • the blower openings 26c and 26d are formed in the drain pan body 26, so that the lower surface of the casing 2 is substantially surrounded by the blower opening 26c and the inner surface of the side plate 22 along the casing long side direction.
  • a rectangular hole and a substantially rectangular hole surrounded by the blowout opening 26d and the inner surface of the side plate 24 are formed.
  • a blower fan 3 is disposed in the casing 2.
  • the blower fan 3 is opposed to the suction openings 26a and 26b, and the rotation axis OO is upward and downward.
  • the two blower fans 3a and 3b are arranged so as to extend in the direction.
  • the blower fans 3a and 3b are turbo fans.
  • the blower fan 3a includes a fan motor 31a provided at a position facing the suction opening 26a of the top plate 21, and an impeller 32a that is connected to the fan motor 31a and is driven to rotate.
  • the blower fan 3b has a fan motor 3la provided at a position facing the suction opening 26b of the top plate 21, and an impeller 32b connected to the fan motor 3la and driven to rotate.
  • the impellers 32a and 32b can also suck in air and blow out toward the outer peripheral side.
  • a bell mouth 4a having a shape that spreads downward from the vicinity of the tip on the suction opening 26a side of the impeller 32a is disposed in the suction opening 26a of the drain pan 2b.
  • a bell mouth 4b having a divergent shape is arranged from the vicinity of the tip on the suction opening 26b side of the car 32b downward.
  • the heat exchanger 5 is arranged in the casing 2 along the two long sides of the casing 2 in a plan view of the casing 2.
  • the heat exchanger 5 includes a heat exchanger 5a extending along the side plate 22 of the casing 2 between the outlet opening 26c and the casing short side direction of the blower fans 3a and 3b, and the outlet opening 26d.
  • the heat exchangers 5a and 5b extend straight from a position near the side plate 23 to a position near the side plate 25.
  • the upper ends of the heat exchangers 5a and 5b extend substantially vertically downward from the inner surface of the top plate 21 of the casing 2 toward the upper surface of the drain pan 2b.
  • the heat exchangers 5a and 5b are, for example, fin-and-tube heat exchangers using cross fins or stacked heat exchangers using corrugated fins.
  • the heat exchanger ⁇ 5 is connected to refrigerant pipes 53 and 54 for exchanging refrigerant with the refrigerant communication pipes 51 and 52 installed outside the casing 2 (with the heat exchanger 5 and The details of the connection are not shown) and are arranged so as to penetrate the side plate 23 of the casing 2.
  • the refrigerant communication pipes 51 and 52 are connected to an outdoor unit (not shown) or the like, and constitute a refrigerant circuit for circulating the refrigerant to and from the air conditioner 1.
  • a decorative panel 6 is attached to the lower end portion of the casing 2.
  • the decorative panel 6 is a substantially rectangular member larger than the casing 2 (that is, the top plate 21 is a drain pan 2b) in plan view, and is connected to both of the two intake openings 26a and 26b of the casing 2.
  • a force S is formed with the air outlets 62a and 62b communicating with the air outlets 26c and 26d of the casing 2, respectively.
  • the air outlets 62a and 62b are elongated, substantially rectangular holes arranged so as to face the air outlets 26c and 26d in the vertical direction and along the long side of the decorative panel 6.
  • the suction port 61 is an opening arranged at a position sandwiched between the air outlet 62a and the air outlet 62b from both sides.
  • a cover panel 6 la that is smaller than the opening size of the suction port 61 is disposed substantially at the center of the suction port 61, and a substantial suction port is provided on both sides in the short side direction of the decorative panel of the cover panel 61a. Is formed.
  • a filter 6 lb is arranged on the upper side of the cover panel 61a of the suction port 61.
  • Drainpan 2b has heat exchange ⁇ 5
  • the drain water receiving portions 26e, 26f, 26g and the drain water storing portion 26h are formed as grooves for receiving drain water generated by condensation of moisture in the air.
  • the drain water receiving portion 26e has a substantially U-shaped cross section into which the lower end of the heat exchanger 5a can be inserted, and the drain water receiving portion 26e disposed below the heat exchanger 5a is
  • the bottom surface is designed so that the end force on the side plate 25 side is directed downward toward the approximate center in the long side direction of the casing, and the end force on the side plate 23 side is directed downward to the approximate center in the long side direction of the casing. It is formed to make The inclination angle ⁇ (see FIG.
  • the gradient in the drain water receiving portion 26e is from the end on the casing long side plate 25 side or the end on the casing long side plate 23 side to the approximate center in the casing long side direction. It is set to be at an angle that allows drain water to flow toward it. As a result, when drain water is generated in the heat exchanger 5a, the drain water is received by the drain water receiving portion 26e and flows toward the approximate center in the casing long side direction of the drain water receiving portion 26e. It ’s like that.
  • the drain water receiving portion 26f has a bottom surface inclined downward from the end on the side plate 25 side toward the center in the casing long side direction, and on the side plate 23 side.
  • the end force is also formed so as to have a downward slope by directing the force toward the approximate center in the casing long side direction.
  • the inclination angle j8 (see FIG. 5) of the drain water receiving portion 26f is substantially equal to the casing long side direction end plate 25 side end or the casing long side direction side plate 23 side end. It is set to be at an angle that allows drain water to flow toward the center. In the present embodiment, the inclination angle j8 and the inclination angle ⁇ are set to the same angle.
  • the drain water is received by the drain water receiving portion 26f and flows in a direction toward the approximate center of the drain water receiving portion 26f in the casing long side direction. .
  • the drain water receiving portion 26g has a substantially U-shaped cross-section extending toward the casing short side direction side plate 22 side in the casing long side direction of the heat exchanger 5b. is doing. More specifically, the drain water receiving portion 26g is disposed so as to extend between the casing long side directions of the blower fan 3a and the blower fan 3b. Drain water receiver 26g The bottom surface of the drain water receiving portion 26f is formed so that the end force on the side of the drain water receiving portion 26f is directed downward toward the side plate 22 side of the casing short side to form a downward slope. The slope angle ⁇ (see Fig.
  • the drain water receiving portion 26g is not less than the angle at which the drain water can flow through the end force on the drain water receiving portion 26f side toward the casing short side plate 22 side. Is set to be. In the present embodiment, the inclination angle ⁇ and the inclination angles ex and ⁇ are set to the same angle. As a result, when drain water is generated in the heat exchanger ⁇ 5b, this drain water is first received by the drain water receiving portion 26f as described above, and the draining water receiving portion 26f in the longitudinal direction of the casing. After flowing to approximately the center of the drain water receiving portion 26g, the drain water receiving portion 26g flows from the end on the drain water receiving portion 26f side toward the casing short side direction side plate 22 side.
  • the drain water storage part 26h is a relatively large-capacity container part that is disposed substantially at the center in the casing long side direction of the drain pan 2b. More specifically, the drain water reservoir 26h is disposed between the casing long sides of the blower fan 3a and the blower fan 3b, and is a container portion having a substantially rectangular shape in plan view.
  • the drain water storage portion 26h has a bottom surface that is the height of the bottom surface of the drain water receiving portion 26e at the substantially central portion in the casing long side direction, and the casing short side direction side plate 22 side portion of the drain water receiving portion 26g.
  • Drain water receiving portions 26e, 26f, 26g as a groove for receiving drain water generated by condensation of moisture in the air in heat exchange 5 and drain water storage
  • the bottom surface of the portion 26h is the lowest and constitutes the portion (that is, the lowest portion).
  • the drain water storage portion 26h communicates with a substantially central portion of the drain water receiving portion 26e in the longitudinal direction of the casing so that the drain water received in the drain water receiving portion 26e can flow in. It has become. More specifically, the drain water storage portion 26h is disposed so that the portion on the side side 22 of the casing short side direction is in contact with the substantially central portion in the casing long side direction of the drain water receiving portion 26e.
  • the drain water storage part 26h communicates with the portion of the drain water receiving part 26g on the casing short side plate 22 side, and the drain water received by the drain water receiving part 26f! It can be made to flow through part 26g. More specifically, the drain water storage portion 26h is disposed such that a portion on the casing short side direction side plate 24 side is in contact with a portion on the casing short side direction side plate 24 side of the drain water receiving portion 26g.
  • the drain water receiving portion 26g extends in such a manner that the partial force at the approximate center of the drain water receiving portion 26f in the longitudinal direction of the casing also extends toward the side plate 22 side, and the drain water
  • the force at which the reservoir 26h is disposed near the drain water receiving portion 26e is not limited to this.
  • the drain water receiving portion 26g has a substantially central component in the longitudinal direction of the casing of the drain water receiving portion 26e.
  • the drain water storage portion 26h may be disposed closer to the drain water receiving portion 26f.
  • drain water receiving portion 26g extends toward the side plate 24 with the partial force in the substantially central direction of the drain water receiving portion 26e extending toward the side plate 24, and the drain water receiving portion 26f has a substantially central position in the casing long side direction.
  • the partial force also extends toward the side plate 22 side, and the drain water storage portion 26h may be disposed at the approximate center of the drain water receiving portion 26e and the drain water receiving portion 26f in the casing short side direction. .
  • the drain pump 7 In the drain water reservoir 26h, a drain pump 7 for discharging drain water received in the drain water receivers 26e, 26f, 26g and the drain water reservoir 26h to the outside of the casing 2 is disposed.
  • the drain pump 7 mainly has a pump main body 71 and a pump motor 72 that rotationally drives the pump main body 71.
  • the pump main body 71 is a type of pump that pumps the drain water stored in the drain water storage portion 26h, and the suction port 71a located at the lower end of the pump main body 71 is close to the bottom surface of the drain water storage portion 26h.
  • the discharge port 71b is formed at the side portion (here, the side portion on the side plate 22 side).
  • the pump motor 72 is disposed on the upper side of the pump main body 71.
  • the pump motor 72 is fixed to the top plate 21 with the pump main body 71 pivotally supported via the support member 73.
  • the drain water storage portion 26h as the lowermost portion of the groove portion that receives drain water generated by the condensation of moisture in the air in the heat exchanger 5.
  • the drain water storage part 26h is connected to one end side of the casing long side direction (for example, the side plate 23 side) as in the conventional ceiling-mounted air conditioner. )
  • the drain water receiving portions 26e and 26f that are farthest from the drain water storage portion 26h that is, the other end of the drain water receiving portions 26e and 26f in the casing long side direction ( For example, the distance to the side) is reduced.
  • the drain pump 7 includes a heat exchanger 5a that is a portion along one of the two long sides of the casing 2 of the heat exchanger 5 (corresponding to the side plate 22 in this case), and a heat exchanger.
  • a heat exchanger 5a that is a portion along one of the two long sides of the casing 2 of the heat exchanger 5 (corresponding to the side plate 22 in this case), and a heat exchanger.
  • One of the two long sides of casing 2 of 5 (corresponding to side plate 24 here)
  • a drain pipe 75 for sending drain water discharged from the pump main body 71 to a drain drain pipe 74 installed outside the casing 2 is connected to the discharge port 71b of the pump main body 71.
  • the air blown out from the blower fan 3 is cooled by passing through the heat exchangers ⁇ 5, so that moisture in the air is condensed and drain water is condensed.
  • this drain water is sent to the drain drain pipe 74 outside the casing 2 through the drain pipe 75.
  • the drain pipe 75 is disposed between the blower fan 3 (here, the blower fan 3a) and the heat exchanger 5 (here, the heat exchanger 5a).
  • the air conditioner 1 can effectively use the cooling water of the drain water generated by the operation of cooling the air passing through the heat exchanger 5 such as the cooling operation and the dehumidifying operation. It has become.
  • the drain pipe 75 is arranged between the blower fan 3 and the heat exchanger 5 as in this embodiment (that is, when the drain pipe 75 is arranged on the upstream side of the flow).
  • the air force blown out from the blower fan 3 passes through the drain pipe 75 where drain water having a temperature slightly higher than that of the refrigerant flowing in the heat exchanger 5 passes, and then passes through the heat exchanger 5.
  • a high-level cold heat source can be used for air cooling first, and the effective use of the cool water of the drain water is further promoted.
  • the drain pipe 75 is made of copper. For this reason, it is possible to further promote the cooling of the air by the above-described drain water, which has a high thermal conductivity of the drain pipe 75. It has become.
  • the drain pipe 75 includes the drain water receiving portions 26e, 26f and the drain water storage portion 26h as grooves for receiving drain water generated by condensation of moisture in the air in the heat exchange 5. It is arranged at a position just above. More specifically, the drain pipe 75 extends upward from the discharge port 71b located directly above the drain water storage portion 26h, and then extends the drain water storage portion 26h toward the casing short side plate 22 side. It crosses across the drain water receiving portion 26e (here, the position on the side of the blower fan 3 of the heat exchanger 5a) and extends toward the casing short side plate 22 side.
  • the drain pipe 75 is disposed so as to penetrate the side plate 23 after extending the position immediately above the drain water receiving portion 26e toward the casing long side direction side plate 23 side.
  • the drain pipes are drain water receiving portions 26e and 26f serving as a groove portion for receiving the drain water generated by the condensation of moisture in the air in the heat exchange 5. Since the air passing through the heat exchanger 5 is cooled, the drain water generated in the drain pipe 75 can be reliably received.
  • the drain pipe 75 is disposed so as to have a downward slope toward the drain drain pipe 74. More specifically, the portion 75a extending by force toward the casing long-side direction side plate 23 that occupies most of the drain pipe 75 is set to have a downward slope toward the side plate 23 side. As a result, in the air conditioner 1, drainage of the drain water to the outside of the casing 2 is promoted, and the amount of drain water that flows back to the drain water reservoir 26h when the drain pump 7 is stopped can be reduced. ! /
  • the drain pipe 75 is arranged so that the position force near the position where the refrigerant pipes 53 and 54 pass through the side plate 23 of the casing 2 also passes through the casing 2 (here, the side plate 23).
  • the drain pipe 75 can be easily piped and the workability of the pipe construction can be improved. It has become.
  • the length of the Ren pipe 75 becomes long.
  • the drain pipe 75 is arranged so as to have a downward slope against the drain drain pipe 74, thereby draining the drain water to the outside of the casing 2. Since consideration is given to the prevention of backflow at the time of stop, etc., the length of the drain pipe 75 can be increased.
  • the drain pump 7 is disposed substantially in the center of the casing 2 as in this embodiment. It is configured so that these problems can be solved even though the equipment layout is unfavorable for the prevention of backflow or the improvement of workability of piping construction! RU
  • the heat exchangers 5a and 5b as shown in FIG. 2 and FIG. Force having a shape extending vertically downward toward 26f As shown in FIG. 7 and FIG. 8, when the casing 2 is viewed in the long side direction, it may be inclined.
  • the heat exchanger 5a is disposed so that the upper part is inclined to the side farther from the lower part (that is, the casing short side direction side plate 22 side) than the blower fans 3a and 3b.
  • the heat exchanger 5b is arranged so that the upper part is inclined with respect to the blower fans 3a, 3b on the side farther from the lower part (that is, on the side of the side plate 24 on the short side of the casing).
  • the heat exchange 5 is placed in the casing 2 so as to be inclined, so that the heat transfer area of the heat exchange 5 can be increased, thus improving the heat exchange capacity.
  • the size of the casing 2 in the long side direction can be reduced.
  • the portion of the drain water receiving portions 26e, 26f that is farthest from the drain water storage portion 26h that is, the casing length of the drain water receiving portions 26e, 26f.
  • reduce the height of the drain pan 2b necessary to provide a gradient in the drain water receiving portions 26e and 26f. It ’s a bit of a problem.
  • the heat exchanger 5 is arranged so that the upper part is inclined to the side farther from the lower part than the blower fans 3a and 3b, the heat exchanger 5 is almost directly above the drain water receiving part 26e as a groove part. A large space is formed, and the drain pipe 75 is securely placed almost directly above the drain water receiving portion 26e. Can be placed.
  • the heat exchange 5 & , 5 b extends straight to the position near the side plate 23 and the position force near the side plate 23.
  • the drain water receiving portions 26e and 26f of the drain pan 2b extend straightly to the position near the side plate 25 and the drain water receiving portions 26e and 26f and the drain water storage portion 26h.
  • the drain water receiving portion 26g that communicates with the casing 2 is formed so as to extend in the direction of the short side of the casing. However, as shown in FIG.
  • the heat exchange central portion 55b which is a substantially central portion in the casing long side direction, is the other long side of the casing 2 (that is, the casing short side).
  • Direction side plate 22 side The drain water receiving portions 26e and 26f of the drain pan 2b (here, the drain water receiving portion 26f) are arranged in the casing long side direction side plate 22 side so as to correspond to this. You may make it the shape which protrudes. Also, as shown in Figure 10,
  • the heat exchanger 5a and the drain water receiving portion 26e connected only by the drain water receiving portion 26f also have a heat exchange central portion 55a, which is a substantially central portion in the casing long side direction of the heat exchanger 5a, with a casing short side. In order to correspond to this, it is shaped so that it protrudes toward the direction side plate 24, and the drain water receiving portion 26e of the drain pan 2b has a substantially central portion in the casing long side direction on the casing short side direction side plate 24 side. You may make it the shape which protrudes.
  • the heat exchanger central portions 55a and 55b project the portion facing the space between the long sides of the casing of the blower fan 3a and the blower fan 3b toward the space, It can be said that.
  • the drain water receiving portion 26g of the drain pan 2b can be omitted, and the drain water receiving portions 26e, 26f and the drain water storage portion 26h can be directly connected at a substantially central position in the casing long side direction.
  • the heat transfer center 55b protrudes toward the short side plate 22 of the casing 2 and the heat exchange center 55a protrudes toward the short plate 24 of the casing 2 to transfer the heat exchange 5. Since the heat area can be increased, the heat exchange capacity can be improved and the size of the casing 2 in the long side direction can be reduced.
  • the heat exchanger central portions 55a, 55b of the heat exchangers 5a, 5b are merely projected in the casing short side direction.
  • Heat exchange casing Long side direction side plate 23 side heat exchange end 56a Casing long side direction side plate 25 side end heat exchange end 57a on casing short side direction side plate 24 side
  • the heat exchanger end of the heat exchanger ⁇ 5b is the end on the casing long side plate 23 side of the casing 5b, and the heat exchanger end is the end of the casing long side plate 25 side
  • the portion 57b may be shaped so as to protrude toward the casing short side direction side plate 22 side.
  • the heat transfer area of the heat exchanger 5 can be increased, the heat exchange capacity can be improved, and the size of the casing 2 in the long side direction can be reduced.
  • the portion of the drain water receiving portions 26e, 26f that is farthest from the drain water storage portion 26h that is, the casing length of the drain water receiving portions 26e, 26f. Since the distance to the other end side in the side direction (for example, the side plate 25 side) is shortened, the height of the drain pan 2b required to provide a gradient in the drain water receiving portions 26e, 26f can be reduced. It ’s a little tricky.
  • the casing of the drain water receiving portion 26e Connects the substantially central part in the long side direction and the substantially central part in the casing long side direction of the drain water receiving part 26f via the drain water receiving part 26g, and drain water receiving parts 26e, 26f (here A drain water storage section 26h is formed on the side of the anti-blower fan 3 of the water receiving section 26e), connected to the drain water receiving sections 26e and 26f (here, the drain water receiving section 26e), and a drain pump is connected to the drain water storage section 26h. Let's place 7 too. [Other embodiments]
  • the present invention is applied to an air conditioner installed in a ceiling-embedded type.
  • the embodiment is installed in a ceiling-suspended type.
  • the present invention may be applied to an air conditioner.
  • a casing having a substantially rectangular shape in plan view, a heat exchanger disposed in the casing along two long side directions of the casing, and a short side direction of the heat exchanger In the ceiling-mounted air conditioner provided with the blower fan arranged in the above, the height of the drain pan can be reduced and the thickness can be reduced.

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  • 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)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

L'invention concerne un dispositif de climatisation monté au plafond qui est rendu plus mince en réduisant la hauteur d'un bac collecteur. Le dispositif de climatisation (1) présente un corps (2) de forme sensiblement oblongue en vue en plan, un échangeur de chaleur (5), un ventilateur (3), le bac collecteur (2b) et une pompe de vidange (7). L'échangeur de chaleur (5) est placé dans le corps (2), le long des deux côtés longs du corps (2) en vue en plan. Le bac collecteur (2b) est placé sous l'échangeur de chaleur (5) et présente des sections de réception d'eau d'écoulement (26e, 26f, 26g) et une section contenant l'eau d'écoulement (26h) destinée à recevoir l'eau d'écoulement produite lorsque l'humidité de l'air est condensée au niveau de l'échangeur de chaleur (5). La pompe de vidange (7) décharge l'eau d'écoulement de la section contenant l'eau d'écoulement (26h) vers l'extérieur du corps (2). La section contenant l'eau d'écoulement (26h) et la pompe de vidange (7) sont disposées, en vue en plan du corps (2), sensiblement au centre dans la direction des côtés longs du corps (2).
PCT/JP2007/055501 2006-03-20 2007-03-19 Dispositif de climatisation monte au plafond Ceased WO2007108435A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-077453 2006-03-20
JP2006077453A JP3998030B2 (ja) 2006-03-20 2006-03-20 天井設置型空気調和装置

Publications (1)

Publication Number Publication Date
WO2007108435A1 true WO2007108435A1 (fr) 2007-09-27

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Application Number Title Priority Date Filing Date
PCT/JP2007/055501 Ceased WO2007108435A1 (fr) 2006-03-20 2007-03-19 Dispositif de climatisation monte au plafond

Country Status (2)

Country Link
JP (1) JP3998030B2 (fr)
WO (1) WO2007108435A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2208946A4 (fr) * 2007-11-12 2014-07-02 Daikin Ind Ltd Unité intérieure pour climatiseur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5382153B2 (ja) 2012-02-10 2014-01-08 ダイキン工業株式会社 空気調和装置の室内機

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0510162Y2 (fr) * 1985-05-23 1993-03-12
JPH08240324A (ja) * 1995-03-06 1996-09-17 Sony Corp 空気調和装置
JPH0953837A (ja) * 1995-08-11 1997-02-25 Daikin Ind Ltd 空気調和装置のドレン排水確認構造
JPH1183059A (ja) * 1997-09-10 1999-03-26 Mitsubishi Heavy Ind Ltd 天井埋込型空気調和機
JP2000161705A (ja) * 1998-11-30 2000-06-16 Mitsubishi Electric Corp 空気調和機の室内機
JP2001193957A (ja) * 2000-12-08 2001-07-17 Toshiba Kyaria Kk 空気調和機
JP2004176930A (ja) * 2002-11-22 2004-06-24 Sanrei Kucho Kk 船舶用空気温度調整装置の室内機

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0510162Y2 (fr) * 1985-05-23 1993-03-12
JPH08240324A (ja) * 1995-03-06 1996-09-17 Sony Corp 空気調和装置
JPH0953837A (ja) * 1995-08-11 1997-02-25 Daikin Ind Ltd 空気調和装置のドレン排水確認構造
JPH1183059A (ja) * 1997-09-10 1999-03-26 Mitsubishi Heavy Ind Ltd 天井埋込型空気調和機
JP2000161705A (ja) * 1998-11-30 2000-06-16 Mitsubishi Electric Corp 空気調和機の室内機
JP2001193957A (ja) * 2000-12-08 2001-07-17 Toshiba Kyaria Kk 空気調和機
JP2004176930A (ja) * 2002-11-22 2004-06-24 Sanrei Kucho Kk 船舶用空気温度調整装置の室内機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2208946A4 (fr) * 2007-11-12 2014-07-02 Daikin Ind Ltd Unité intérieure pour climatiseur

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JP3998030B2 (ja) 2007-10-24
JP2007255739A (ja) 2007-10-04

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