WO2011135912A1 - Unité extérieure et pavillon de climatiseur - Google Patents

Unité extérieure et pavillon de climatiseur Download PDF

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Publication number
WO2011135912A1
WO2011135912A1 PCT/JP2011/054313 JP2011054313W WO2011135912A1 WO 2011135912 A1 WO2011135912 A1 WO 2011135912A1 JP 2011054313 W JP2011054313 W JP 2011054313W WO 2011135912 A1 WO2011135912 A1 WO 2011135912A1
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WO
WIPO (PCT)
Prior art keywords
bell mouth
outdoor unit
vertical direction
axis
bell
Prior art date
Application number
PCT/JP2011/054313
Other languages
English (en)
Japanese (ja)
Inventor
晋司 吉川
秀雄 千頭
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 CN2011800206259A priority Critical patent/CN102859287A/zh
Priority to EP11774696.6A priority patent/EP2565546A4/fr
Publication of WO2011135912A1 publication Critical patent/WO2011135912A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • 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
    • F24F1/40—Vibration or noise prevention at outdoor units

Definitions

  • the present invention relates to a bell mouth and an outdoor unit of an air conditioner using the bell mouth.
  • An outdoor unit of an air conditioner (hereinafter also simply referred to as “outdoor unit”) includes a fan and a bell mouth, and is disclosed in Patent Document 1 listed below. Further, an outdoor unit in which a plurality of fans and bell mouths are arranged in the vertical direction is disclosed in Patent Document 2 listed below.
  • Patent Documents 5 to 8 below propose a technique for avoiding or suppressing the ingress of water droplets from the outer surface of the casing to the surface on the air passage side of the bell mouth (hereinafter also referred to as “inner peripheral surface”). ing.
  • JP 2009-203980 A JP 2008-128563 A JP 2009-085484 A JP 2009-281719 A JP-A-6-331175 JP-A-8-178365 JP 2009-257603 A Japanese Utility Model Publication No. 4-132336
  • FIG. 9 is a perspective view of the outdoor unit 90 of the air conditioner, and shows an outdoor unit in which two fans and bellmouths provided around the fan are arranged side by side in the vertical direction. Although the fan and bell mouth are not shown, they are provided in the outdoor unit 90 at positions corresponding to the positions of the front grilles 32 and 34.
  • FIG. 10 is a plan view of a main part of the outdoor unit 90 and shows a plan view of the front grills 32 and 34.
  • FIG. 11 is a cross-sectional view of a main part of a conventional outdoor unit 90, which is a cross-sectional view at position AA shown in FIG.
  • FIG. 12 is an enlarged view of a main part of a conventional outdoor unit 90, and shows an enlarged region B indicated by a dashed ellipse in FIG.
  • the lower end 92b of the upper bell mouth 92 and the upper end 94c of the lower bell mouth 94 are close to each other. Therefore, when the water droplet 9d enters the inside of the housing 11 or dew condensation occurs inside the housing 11 (the water droplet 9d is generated), the water droplet 9d travels down on the surface of the upper bell mouth 92.
  • the surface through which the water droplet 9d falls is not only the surface on the air passage side of the bell mouth 92 in the upper stage (hereinafter also referred to as “inner peripheral surface”) 92T but also on the side opposite to the air passage side surface of the bell mouth 92
  • a surface (hereinafter also referred to as “outer peripheral surface”) 92S is included.
  • the water drops 9d that have fallen down on the surfaces 92S and 92T may be transmitted to the upper end 94c of the lower bell mouth 94 located immediately below.
  • the water droplet 9d that has fallen to the upper end 94c of the lower bell mouth 94 may fall on the inner peripheral surface 94T of the lower bell mouth 94 and freeze.
  • the present invention avoids or suppresses water droplets from entering the air passage of the lower bellmouth.
  • the purpose is to provide.
  • a first aspect of an outdoor unit of an air conditioner includes a first bell mouth (12, 12A) and a vertically lower side (V) than the first bell mouth. And a second bell mouth (14, 14A, 14B) adjacent to the lower end of the first bell mouth in the vertical direction (16, 16A) and the second bell below the lower end in the vertical direction. It is an outdoor unit (10, 10A, 10B) of an air conditioner that cooperates with the outer peripheral surface (14S) of the mouse to present a water conduit that guides liquid downward in the vertical direction.
  • the 2nd aspect of the outdoor unit of the air conditioner which concerns on this invention is the 1st aspect, Comprising:
  • the said lower end (16,16A) of the said 1st bell mouth is the said vertical direction downward ( It is located on the opposite side of the opening direction of the second bell mouth from the upper end (18, 18A, 18B) of the second bell mouth in V).
  • the 3rd aspect of the outdoor unit of the air conditioner which concerns on this invention is the 1st aspect, Comprising:
  • the said lower end (16A) of the said 1st bellmouth (12A) is used as the base point, and the said perpendicular
  • the 4th aspect of the outdoor unit of the air conditioner which concerns on this invention is the 1st aspect, Comprising: In the said vertical direction downward (V) of the said lower end (16A) of a said 1st bellmouth (12A). With the upper end (18A) of the second bell mouth as a base point, the lower end of the first bell mouth in the upper vertical direction ( ⁇ V) of the upper end is directed to the opening side of the first bell mouth. It further has a water guide member 24 extending.
  • a first aspect of the bell mouth according to the present invention is a bell mouth (30) that opens to one side in a direction parallel to the axis centering on the axis (Q), and is farthest from the axis on the one side.
  • a first end (32) is located on a first surface (S1) having a direction parallel to the axis as a normal, and the axis is on the opposite side of the first end from the axis.
  • the second end portion (34) farthest from the axis on one side is located on a second surface (S2) different from the first surface with a direction parallel to the axis as a normal line.
  • the outdoor unit of the air conditioner it is possible to avoid or suppress water droplets from entering the air passage of the lower bell mouth from the upper bell mouth. Therefore, icing in the air passage can be avoided or suppressed, and fan damage and / or abnormal noise generation can be avoided or suppressed.
  • the outdoor unit of an air conditioner it is possible to avoid or suppress water droplets from entering the air passage of the lower bell mouth from the upper bell mouth. Therefore, icing in the air passage can be avoided or suppressed, and fan damage and / or abnormal noise generation can be avoided or suppressed.
  • the outdoor unit of the air conditioner concerning the present invention, by providing a water guide member to the outdoor unit of the existing air conditioner in which a plurality of bellmouths are arranged in a direction having a vertical component, It is possible to avoid or suppress the intrusion of water droplets from the upper bell mouth into the air passage of the lower bell mouth. Therefore, icing in the air passage can be avoided or suppressed, and fan damage and / or abnormal noise generation can be avoided or suppressed.
  • the outdoor unit of the air conditioner which concerns on this invention, by providing a water conveyance member with respect to the outdoor unit of the existing air conditioner which bellmouth arranges multiple in the direction which has a vertical direction component, It is possible to avoid or suppress the intrusion of water droplets from the upper bell mouth into the air passage of the lower bell mouth. Therefore, icing in the air passage can be avoided or suppressed, and fan damage and / or abnormal noise generation can be avoided or suppressed.
  • the bell mouth for example, when a plurality of bell mouths are arranged in the vertical direction when the first surface is positioned on one side of the shaft with respect to the second surface. If the first end is mounted on the top and the second end is positioned on the bottom, it is possible to avoid or suppress the intrusion of water droplets from the upper bell mouth into the air passage of the lower bell mouth.
  • FIG. 1 is an enlarged view of a main part of the outdoor unit 10 according to the first embodiment of the present invention, and shows an area corresponding to the area B of FIG.
  • the outdoor unit 10 has the same shape as the outdoor unit 90 shown in FIG. 9 in its outer shape, and is denoted by reference numeral 10 in FIG.
  • the outdoor unit 10 according to the first embodiment of the present invention includes two bell mouths 12 and 14 that are adjacent along the vertical direction.
  • the outdoor unit 10 is adjacent to a first bell mouth 12 that opens in a first direction D1 perpendicular to the vertical direction, and a lower vertical direction V than the first bell mouth 12, and the vertical direction And a second bell mouth 14 that opens in a second direction D2 perpendicular to.
  • first direction D1 and the second direction D2 are parallel to each other, but may be non-parallel to each other.
  • the direction in which the bell mouth opens is, for example, the axis of a fan (not shown) attached to the first bell mouth 12 (hereinafter also referred to as “bell mouth axis”). )
  • the area (hereinafter referred to as “cross-sectional area”) that the inner peripheral surface 12T of the first bell mouth 12 cuts the surface having the normal line A1 is gradually increased until reaching the end in the direction along the axis A1. This is a direction from one end (corresponding to “connecting portion 13a” described later in the first embodiment) fixed to another member to the other side.
  • the axis A1 of the first bell mouth 12 is equal to the rotation axis of a fan (not shown) attached to the first bell mouth 12.
  • the opening direction D2 and the axis A2 of the second bell mouth 14 are defined.
  • the first direction D1 and the axis A1 are parallel
  • the second direction D2 and the axis A2 are parallel.
  • the lower end 16 in the vertical direction on the first direction D1 side of the first bell mouth 12 and the outer peripheral surface 14S of the second bell mouth 14 in the lower vertical direction V cooperate to lower the liquid in the lower vertical direction V.
  • the outer peripheral surface 14S of the 2nd bellmouth 14 will be located in the perpendicular lower direction V of the lower end 16 of the 1st bellmouth 12. That is, the lower end 16 of the first bell mouth 12 is located on the opposite side of the direction D2 in which the second bell mouth 14 opens from the upper end 18 of the second bell mouth 14 in the lower vertical direction V thereof.
  • the upper end 18 of the second bell mouth 14 in the lower vertical direction V of the lower end 16 of the first bell mouth 12 is located on the side D2 of the opening direction of the second bell mouth 14 with respect to the lower end 16.
  • the opening end 15 which is the end of the first bell mouth 12 on the first direction D1 side is generally in a cross-sectional view and has a direction parallel to the axis A1 (A2).
  • a surface 10S as a normal line is presented.
  • the vicinity including the lower end 16 of the 1st bellmouth 12 curves toward the opposite side to the 1st direction D1 rather than the surface 10S.
  • the lower end 16 has a minimum height along the vertical direction in the vicinity.
  • the first bell mouth 12 presents the connecting portion 13a at the end opposite to the first direction D1.
  • This connection part 13a is connected to the front grille 32 (refer FIG. 9) which the outdoor unit 10 has.
  • the connecting portion 13a is located at a portion where the cross-sectional area gradually decreasing from the opening end 15 is minimized, or on the side opposite to the opening end 15 with the portion interposed therebetween.
  • the lower end 16 of the first bell mouth 12 in the first embodiment has a minimum height along the vertical direction between the portion and the open end 15.
  • the 2nd bellmouth 14 exhibits the connection part 13b.
  • the connecting portion 13b is connected to the front grille 34 (see FIG. 9) at the end of the second bell mouth 14 opposite to the second direction D2.
  • the connecting portion 13b has the same height as the portion where the height along the vertical direction of the outer peripheral surface 14S and the inner peripheral surface 14T that are continuous from the upper end 18 that is the end portion on the second direction D2 side of the second bell mouth 14 is minimal. Or it is located on the opposite side to the open end 17 across the part.
  • the second bell mouth 14 exhibits the following aspects, for example. That is, the opening end 17 of the second bell mouth 14 generally exhibits the surface 10S. And the vicinity including the upper end 18 of the 2nd bell mouth 14 in the perpendicular direction lower V of the lower end 16 of the 1st bell mouth 12 curves to the 2nd direction D2 side rather than the surface 10S.
  • the second bell mouth 14 exhibits such an aspect, water droplets that are transmitted from the lower end 16 of the first bell mouth 12 are easily transmitted to the outer peripheral surface 14 ⁇ / b> S of the second bell mouth 14.
  • the outer peripheral surface 14S of the second bell mouth 14 is located in the lower vertical direction V of the lower end 16 of the first bell mouth 12. Therefore, water droplets that fall on the outer peripheral surface 12S and the inner peripheral surface 12T of the first bell mouth 12 fall from the lower end 16 of the first bell mouth 12 to the outer peripheral surface 14S of the second bell mouth 14.
  • the water droplets that fall onto the outer peripheral surface 14S travel down the outer peripheral surface 14S. Therefore, it is possible to avoid or suppress the ingress of water droplets from the lower end 16 of the first bell mouth 12 to the inner peripheral surface 14T (in the air passage) of the second bell mouth 14. Therefore, icing (formation of ice pillars) on the air path of the second bell mouth 14 can be avoided or suppressed. As a result, it contributes to avoiding or suppressing damage and / or abnormal noise generation of the fan attached to the inner peripheral side of the second bell mouth 14.
  • the first bell mouth 12 and the second bell mouth 14 according to the first embodiment can both be obtained by using one bell mouth 30.
  • the axis A 1 of the first bell mouth 12 and the axis A 2 of the second bell mouth 14 are the same, and this is defined as the axis Q of the bell mouth 30.
  • the first direction D1 and the second direction D2 are the same, and this is defined as a direction R in which the bell mouth 30 opens.
  • the axis Q and the direction R are parallel.
  • the first end portion 32 farthest from the axis Q is located on the first surface S 1 having the direction R as a normal line. Then, on one side in the direction R of the bell mouth 30, the second end 34 that is farthest from the axis Q on the side opposite to the first end 32 around the axis Q has the direction R as the normal line.
  • the first end portion 32 and the second end portion 34 are located on one side in the direction R, and the first end portion 32, the axis Q, and the second end portion 34 in a plan view along the direction R. Are arranged in substantially the same straight line.
  • the first surface S1 and the second surface S2 are non-identical surfaces. Specifically, for example, the first surface S1 is located closer to the direction R than the second surface S2.
  • the bell mouth 30 includes the axis A1 of the first bell mouth 12 shown in FIG. 1 and is located on the V side lower than the axis A1 and the axis A2 of the second bell mouth 14. Is obtained by aligning the ends in the direction R with the portion on the upper side in the vertical direction on the ⁇ V side.
  • the bell mouth 30 is mounted such that the first end 32 is positioned in the upper vertical direction ⁇ V and the second end 34 is positioned in the lower vertical direction V.
  • the first end portion 32 of one bell mouth 30 is positioned on the direction R side with respect to the second end portion 34 of the other bell mouth 30 provided on the upper vertical direction ⁇ V of the one bell mouth 30.
  • Example 2 mainly about a mode provided with a water guide member that guides water droplets from the lower end 16 of the first bell mouth 12 to the outer peripheral surface 14S of the second bell mouth 14 in the first embodiment.
  • a water guide member that guides water droplets from the lower end 16 of the first bell mouth 12 to the outer peripheral surface 14S of the second bell mouth 14 in the first embodiment.
  • FIG. 3 is an enlarged view of a main part of the outdoor unit 10A according to the second embodiment of the present invention, and shows an enlarged region corresponding to the region B in FIG.
  • the outdoor unit 10A of the second embodiment also has the same shape as the outdoor unit 90 shown in FIG. 9 in its outer shape, and is denoted by reference numeral 10A in FIG.
  • the outdoor unit 10 ⁇ / b> A according to the second embodiment includes two bell mouths 12 ⁇ / b> A and 14 ⁇ / b> A that are adjacent along the vertical direction, and a water guide member 22.
  • the first bell mouth 12A opens in the first direction D1, and the second bell mouth 14A opens in the second direction D2.
  • An opening end 15A which is an end portion on the first direction D1 side of the first bell mouth 12A, exhibits a surface 10S in a sectional view.
  • the opening end 17A which is the end of the second bell mouth 14A on the second direction D2 side, also exhibits a surface 10S in a cross-sectional view.
  • the opening end 17A does not necessarily have the surface 10S, and may be located on the direction ⁇ R side with respect to the surface 10S.
  • the water guide member 22 extends from the lower end 16A in the vertical direction of the first bell mouth 12A to the opposite side to the second direction D2 in which the second bell mouth 14A opens. Specifically, the water guide member 22 extends from the lower end 16A of the first bell mouth 12A toward the outer peripheral surface 14S of the second bell mouth 14A.
  • one end portion 21 of the water guide member 22 is attached to the lower end 16A of the first bell mouth 12A, and the other end portion 23 of the water guide member 22 is the second bell mouth 14A.
  • the aspect which contacts the outer peripheral surface 14S is shown, if the outer peripheral surface 14S of the 2nd bellmouth 14A is located in the perpendicular direction downward V of the edge part 23, the edge part 23 will necessarily contact the outer peripheral surface 14S. There is no need.
  • the water guide member 22 extends from the lower end 16A of the first bell mouth 12A toward the outer peripheral surface of the second bell mouth 14A. Therefore, water drops that fall on the outer peripheral surface 12S and the inner peripheral surface 12T of the first bell mouth 12A pass from the lower end of the first bell mouth 12A to the outer peripheral surface 14S of the second bell mouth 14A via the water guide member 22. Fall down. Therefore, it is possible to avoid or suppress the entry of water droplets from the lower end 16A of the first bell mouth 12A to the inner peripheral surface 14T of the second bell mouth 14A.
  • Example 3 Here, the aspect provided with water conveyance members other than the water conveyance member 22 shown in the said Example 2 as Example 3 of this invention is mainly demonstrated, referring drawings.
  • FIG. 4 is an enlarged view of a main part of the outdoor unit 10B according to the third embodiment of the present invention, and shows an enlarged region corresponding to the region B in FIG.
  • the outdoor unit 10B of the third embodiment also has the same shape as the outdoor unit 90 shown in FIG. 9 in its outer shape, and is denoted by reference numeral 10B in FIG.
  • the outdoor unit 10 ⁇ / b> B according to the third embodiment includes two bell mouths 12 ⁇ / b> A and 14 ⁇ / b> A and a water guide member 24.
  • the water guide member 24 has a first bell mouth in the upper vertical direction ⁇ V of the upper end 18A with the upper end 18A of the second bell mouth 14A in the lower vertical direction V of the vertical lower end 16A of the first bell mouth 12A as a base point. 12A extends in the first direction D1 of opening. Specifically, one end 25 of the water guide member 24 is attached to the upper end 18A of the second bell mouth 14A, and from there, a direction having a component in the first direction D1 and a component in the vertical direction ⁇ V. Extending towards. The other end 27 opposite to the one end 25 of the water guide member 24 is located on the first direction D1 side with respect to the lower vertical direction V of the lower end 16A of the first bell mouth 12A.
  • the opening end 17A does not necessarily have the surface 10S. If the other end 27 protrudes toward the first direction D1 from the lower end 16A, the opening end 17A is more than the surface 10S. It may be located on the direction -R side.
  • the water guide member 24 is positioned below the lower end 16A of the first bell mouth 12A in the vertical direction V. Therefore, water drops that fall on the outer peripheral surface 12S and the inner peripheral surface 12T of the first bell mouth 12A fall on the water guide member 24. The water drops that have fallen on the water guide member 24 are transmitted to the outer peripheral surface 14S of the second bell mouth 14A via the water guide member 24.
  • the water guide member 24 is in the first direction D1 (or the second direction) than the respective open ends 15A, 17A of the two bell mouths 12A, 14A. D2) side. Therefore, even if the gap between the plurality of bell mouths in the vertical direction in the existing outdoor unit is small, the water guide member 24 can be easily attached, and the air passage of the bell mouth attached to the lower stage It is possible to avoid or suppress water droplets from entering the inside.
  • the second bell mouth 14B adjacent to the first bell mouth 12A in the vertical direction V may have the following shape. That is, the opening end 17B, which is the end of the second bell mouth 14B on the second direction D2 side, is substantially the surface 10S in a cross-sectional view at the vertically lower side ⁇ V of the lower end 16A in the vertical direction of the first bell mouth 12A. Presents. Then, the upper end 18B of the second bell mouth 14B in the lower vertical direction V of the lower end 16A of the first bell mouth 12A protrudes to the second direction D2 side from the surface 10S, and toward the upper vertical direction ⁇ V. Extend. That is, the second bell mouth 14B may have a shape in which the water guiding member 24 is integrated with the second bell mouth 14B shown in FIG.
  • the first bell mouth 12 shown in FIG. 1 of the first embodiment may be combined with the second bell mouth 14A shown in FIG. 3 of the second embodiment. .
  • FIG. 7 is a plan view of an essential part of an outdoor unit 10C according to the third modification of the present invention, in which the first bell mouth 12A and the second bell mouth 14A are moved in the first direction D1 (and the second direction D2). Is a plan view when viewed from the opening ends 15A, 17A side toward the connecting portions 13a, 13b.
  • the fan attached to each of the 1st bellmouth 12A and the 2nd bellmouth 14A is abbreviate
  • FIG. 8 is an enlarged view of the rectangular area C indicated by a broken line in FIG.
  • the direction having the component in the direction perpendicular to both components A direction in which the water guiding member 22A extends in the direction W.
  • the water guide member 22 is provided with two bell mouths 12A and 14A as in the second embodiment. It may be difficult to install between.
  • the lower end 16A of the first bell mouth 12A provided at the upper stage is directed toward the outer peripheral surface 14S except for a position corresponding to the position of the upper end 18A of the second bell mouth 14A in plan view. It may be extended.
  • damage to a fan attached to the inner peripheral side of the second bell mouth 14A provided at the lower stage and / or generation of abnormal noise by retrofitting the water guide member 22A to an existing outdoor unit Can be avoided or suppressed.
  • the first bell mouth 12, 12A and the second bell mouth 14, 14A, 14B are both perpendicular to the vertical direction (the first direction D1 or the first direction D1). A mode of opening toward the direction D2) of 2 has been described. However, the opening direction of these bell mouths 12, 12A, 14, 14A, 14B is not necessarily perpendicular to the vertical direction.
  • the first bell mouth that opens in the first direction D1 perpendicular to the vertical direction or the third direction having the component in the first direction D1 and the lower V component in the vertical direction
  • the first bell The second direction D2 that is adjacent to the lower vertical direction V than the mouse and opens in the fourth direction having a second direction D2 perpendicular to the vertical direction or a component in the second direction D2 and a vertical lower V component
  • a bell mouth, and the lower end of the first bell mouth in the vertical direction and the outer peripheral surface of the second bell mouth in the lower vertical direction V of the lower end cooperate to guide the liquid vertically downward. You may make it show a waterway.
  • the aspect in which 18, 18A, 18B is equal to the upper end of the second bell mouth 14, 14A, 14B itself in the vertical direction has been described.
  • the upper ends 18, 18A, 18B are not necessarily the upper ends in the vertical direction of the second bell mouths 14, 14A, 14B themselves.
  • the lower ends 16, 16A of the first bell mouths 12, 12A in the vertical direction must be positioned at ⁇ V above the upper ends of the upper ends of the second bell mouths 14, 14A, 14B themselves. There is no.
  • Embodiment 1-3 and Modification 1-3 the size of the first bell mouth 12, 12A in plan view along the first direction D1 and the second bell mouth 14, 14A, 14B are shown.
  • the drawing shows an aspect in which the sizes in a plan view along the second direction D2 are substantially equal to each other. However, they do not necessarily have to be approximately equal in size.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

La présente invention concerne une unité extérieure dans laquelle un second pavillon (14) présente une surface circonférentielle extérieure (14S) située au-dessous d'une extrémité inférieure (16) d'un premier pavillon (12) dans le sens orienté verticalement vers le bas (V). En d'autres termes, l'extrémité inférieure (16) du premier pavillon (12) est espacée d'une extrémité supérieure (18) du second pavillon (14) dans un sens opposé à un sens (D2) dans lequel le second pavillon (14) est ouvert, l'extrémité supérieure (18) étant placée au-dessous de l'extrémité inférieure (16) dans le sens orienté verticalement vers le bas (V). En d'autres termes, l'extrémité supérieure (18) du second pavillon (14) placée au-dessous de l'extrémité inférieure (16) du premier pavillon (12) dans le sens orienté verticalement vers le bas (V) est espacée de l'extrémité inférieure (16) le long du sens (D2) dans lequel le second pavillon (14) est ouvert.
PCT/JP2011/054313 2010-04-28 2011-02-25 Unité extérieure et pavillon de climatiseur WO2011135912A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2011800206259A CN102859287A (zh) 2010-04-28 2011-02-25 空调机的室外单元和喇叭口
EP11774696.6A EP2565546A4 (fr) 2010-04-28 2011-02-25 Unité extérieure et pavillon de climatiseur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010103173A JP5569127B2 (ja) 2010-04-28 2010-04-28 空気調和機の室外ユニット
JP2010-103173 2010-04-28

Publications (1)

Publication Number Publication Date
WO2011135912A1 true WO2011135912A1 (fr) 2011-11-03

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JP6203623B2 (ja) 2013-12-16 2017-09-27 三菱重工サーマルシステムズ株式会社 送風機
KR102302546B1 (ko) 2014-12-31 2021-09-15 엘지전자 주식회사 공기 조화기의 실외기

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JPH06331175A (ja) 1993-05-25 1994-11-29 Mitsubishi Heavy Ind Ltd 空気調和機の室外ユニット
JPH08178365A (ja) 1994-12-22 1996-07-12 Daikin Ind Ltd 空気調和機の室外機
JP2002357335A (ja) * 2001-05-31 2002-12-13 Daikin Ind Ltd 空気調和装置の室外機
JP2003106564A (ja) * 2001-09-27 2003-04-09 Toshiba Kyaria Kk 空気調和機の室外機
JP2006077585A (ja) * 2004-09-07 2006-03-23 Mitsubishi Electric Corp 送風機および空調機
JP2008089271A (ja) * 2006-10-04 2008-04-17 Hitachi Appliances Inc 空気調和機の室外機
JP2008128563A (ja) 2006-11-21 2008-06-05 Daikin Ind Ltd 空気調和装置の室外ユニット
JP2008267727A (ja) * 2007-04-23 2008-11-06 Mitsubishi Electric Corp 冷凍空調装置
JP2009085484A (ja) 2007-09-28 2009-04-23 Daikin Ind Ltd 空気調和機用室外機
JP2009203980A (ja) 2008-01-31 2009-09-10 Daikin Ind Ltd 送風機、室外機、空気調和装置及び送風機の製造方法
JP2009281719A (ja) 2008-02-04 2009-12-03 Daikin Ind Ltd 暖房給湯装置
JP2009204291A (ja) * 2008-02-29 2009-09-10 Daikin Ind Ltd 冷凍装置の熱源ユニット
JP2009257603A (ja) 2008-04-11 2009-11-05 Mitsubishi Heavy Ind Ltd 空気調和機の室外機

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EP2565546A1 (fr) 2013-03-06
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JP5569127B2 (ja) 2014-08-13
CN102859287A (zh) 2013-01-02

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