EP2806220A1 - Unité à l'extérieur pour dispositif de réfrigération - Google Patents

Unité à l'extérieur pour dispositif de réfrigération Download PDF

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Publication number
EP2806220A1
EP2806220A1 EP12861602.6A EP12861602A EP2806220A1 EP 2806220 A1 EP2806220 A1 EP 2806220A1 EP 12861602 A EP12861602 A EP 12861602A EP 2806220 A1 EP2806220 A1 EP 2806220A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
spacer
outdoor unit
floor frame
refrigeration apparatus
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.)
Withdrawn
Application number
EP12861602.6A
Other languages
German (de)
English (en)
Other versions
EP2806220A4 (fr
Inventor
Takashi Ono
Tomohiro Masui
Keitarou HOSHIKA
Hiroki Andou
Masashi Kuroishi
Satoshi Itou
Junichi Shimoda
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 EP2806220A1 publication Critical patent/EP2806220A1/fr
Publication of EP2806220A4 publication Critical patent/EP2806220A4/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • 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
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • F24F1/16—Arrangement or mounting thereof
    • 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
    • F24F1/36—Drip trays for outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—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
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0471—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits having a non-circular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05391—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F17/00—Removing ice or water from heat-exchange apparatus
    • F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/0233—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels
    • F28D1/024—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels with an air driving element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
    • F28F1/128—Fins with openings, e.g. louvered fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • F28F1/325—Fins with openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F28F21/067—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2215/00—Fins
    • F28F2215/12—Fins with U-shaped slots for laterally inserting conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/30—Safety or protection arrangements; Arrangements for preventing malfunction for preventing vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures

Definitions

  • the present invention relates to an outdoor unit of a refrigeration apparatus.
  • An object of the present invention is to provide an outdoor unit of a refrigeration apparatus that is not susceptible to the effect of metal corrosion in an outdoor unit of a refrigeration apparatus using a heat exchanger made of aluminum or aluminum alloy.
  • An outdoor unit of a refrigeration apparatus comprises a heat exchanger made of aluminum or aluminum alloy, a floor frame for mounting the heat exchanger, and a spacer disposed between the heat exchanger and the floor frame.
  • the heat exchanger has a plurality of flat pipes, a header manifold to which each of said flat pipes is connected, and a plurality of fins joined to the flat pipes.
  • the heat exchanger is arranged so that heat exchange occurs between a fluid flowing inside the flat pipes and air flowing outside the flat pipes.
  • the spacer has an inclined surface and a horizontal surface. The inclined surface guides condensation from the heat exchanger to the floor frame.
  • the heat exchanger makes contact with the horizontal surface and is horizontally mounted thereon.
  • the surface of the spacer facing opposite the lower end of the heat exchanger is formed inclined from midcourse in a short direction of the heat exchanger, water drops falling from the heat exchanger can be guided to the floor frame and corrosion of the heat exchanger and leakage of refrigerant can be prevented. Furthermore, because the heat exchanger is mounted on the horizontal surface of the spacer, there is no need for the lower end of the heat exchanger to be formed inclined and the heat exchanger is easy to manufacture.
  • the inclination of the inclined surface is not particularly limited provided that condensation from the heat exchanger can be guided to the floor frame, but the inclination can be set to 7-20° downward from the horizontal direction.
  • the drainage function is insufficient if the angle of inclination is smaller than 7°, and water is difficult to convey, particularly in the case of a water-repellent material, if the inclination is greater than 20°.
  • Condensation from the heat exchanger includes condensation water, rainwater, and the like.
  • the material of the spacer is preferably rubber from the aspects of being able to mount the heat exchanger stably and having waterproofness and anti-vibration property, and natural rubber, chloroprene rubber, nitrile rubber, butyl rubber, ethylene-propylene rubber, styrene-butadiene rubber, silicone rubber, fluorine rubber, AFLAS, hydrogenated nitrile rubber, urethane rubber, and the like, can be used.
  • An outdoor unit of a refrigeration apparatus is the outdoor unit of a refrigeration apparatus according to the first aspect, wherein the fin has a water-guiding part, and the inclined surface is provided on an elongated portion of the water-guiding part.
  • the fin has a water-guiding part
  • condensation from the heat exchanger can be guided to the spacer.
  • the inclined surface is provided on an elongated portion of the water-guiding part, water guided from the heat exchanger to the spacer can be guided along the inclined surface to the floor frame, and therefore corrosion of the heat exchanger and leakage of refrigerant can be prevented.
  • An outdoor unit of a refrigeration apparatus is the outdoor unit of a refrigeration apparatus according to the first or second aspect, wherein a drainage structure is provided on a lower part of the spacer.
  • a drainage structure examples include openings, cutouts, and gutters.
  • An outdoor unit of a refrigeration apparatus is the outdoor unit of a refrigeration apparatus according to any of the first to third aspects, wherein the spacer is disposed on a lower end of a bent part of the heat exchanger.
  • An outdoor unit of a refrigeration apparatus is the outdoor unit of a refrigeration apparatus according to any of the first to fourth aspects, wherein an extended part extending diagonally upward from the horizontal surface is provided on the spacer.
  • condensation from the heat exchanger can be guided to the drainage structure more effectively by the extended part, corrosion of the heat exchanger and leakage of refrigerant can be prevented.
  • condensation from the heat exchanger can be guided to the spacer and furthermore can be guided from the inclined surface to the floor frame, corrosion of the heat exchanger and leakage of refrigerant can be prevented.
  • water falling onto the spacer from the heat exchanger can be guided effectively to the floor frame, and corrosion of the heat exchanger and leakage of refrigerant can be prevented.
  • a place for the spacer can be secured while making the outdoor unit compact, and corrosion of the heat exchanger and leakage of refrigerant can be prevented.
  • condensation from the heat exchanger can be guided to the drainage structure more effectively, and corrosion of the heat exchanger and leakage of refrigerant can be prevented.
  • the outdoor unit of a refrigeration apparatus of the present embodiment is used as an outdoor unit of an air-conditioning apparatus.
  • FIG. 1 is a perspective view illustrating the outdoor unit 20 of an air-conditioning apparatus.
  • the outdoor unit 20 is placed outside a space to be air-conditioned (indoors) where air conditioning is to be performed, and an interior of a roughly rectangular box-form casing 50 is divided into a ventilation compartment and a machine compartment by a partitioning plate (not illustrated) extending vertically.
  • the outdoor unit 20 is connected via refrigerant-communicating piping (not illustrated) to an indoor unit (not illustrated) disposed inside the space to be air conditioned.
  • the outdoor unit 20 mainly comprises a roughly box-form casing 50, an outdoor fan (not illustrated), refrigerant circuit-configuring parts (not illustrated) including a heat exchanger, compressor, valves, pipes, and the like, to configure a refrigerant circuit, and an electrical unit (not illustrated) for performing operation and control.
  • a blow-out port positioned at the center and to the left of a front face 51 is formed on the casing 50, and air sent out by the outdoor fan is blown out forward from the blow-out port.
  • the casing 50 has a ceiling plate 57, a right rear plate 56, and a right front plate 55, and additionally has a left side plate 54 and a floor frame 8. "60" indicates a fan grill attached on the outside of the casing 50.
  • FIG. 2 is a general perspective view of an outdoor unit of a refrigeration apparatus according to one embodiment of the present invention in a condition having removed a ceiling plate, left side plate, right front plate, and right rear plate.
  • a heat exchanger 25 is mounted on the floor frame 8, and an outdoor fan 35 is disposed in front thereof.
  • the floor frame 8 has a portion 8a standing upright in a vertical direction (see FIG. 5 ) on an edge portion. Facing the partitioning plate 58, the left side is the ventilation compartment and the right side is the machine compartment.
  • FIG. 3 is a general perspective view of an outdoor heat exchanger 25.
  • the outdoor heat exchanger 25 has a flat pipe 2, fins 4, and header manifolds 61 and 62.
  • the fins 4 are omitted in the illustration in FIG. 3 .
  • Some of the reference numerals of the flat pipes 2 also are omitted.
  • the fin 4 has a bent part 25b.
  • a spacer to be described is disposed beneath the outdoor heat exchanger 25 in a manner connected to a lower end 25a of the bent part 25b.
  • the outdoor heat exchanger 25 allows refrigerant flowing inside to be condensed or evaporated by heat exchange with outside air.
  • the outdoor heat exchanger 25 is made entirely of aluminum or aluminum alloy.
  • the outdoor heat exchanger 25 is disposed inside the casing 50, with a space being opened between the outdoor heat exchanger and the casing 50 or with a resin member, or the like, being placed between the casing 50 and the outdoor heat exchanger 25, so as not to be in direct contact with the casing 50 (see FIG. 1 ).
  • the outdoor heat exchange 25, as illustrated in FIG. 2 extends along the back face of the casing 50 toward the left from near an end part of the partitioning plate 58, changes in direction at near a left rear corner part of the casing 50, and extends toward the front along the left side plate 54 (see FIG. 1 ).
  • Header manifolds 61 and 62 are connected to both ends of flat pipes 2 disposed in a plurality of stages in the vertical direction.
  • the header manifolds 61 and 62 have a function of supporting the flat pipes 2, a function of guiding refrigerant to internal channels (not illustrated) of the flat pipes 2, and a function of collecting refrigerant discharged from the internal channels.
  • FIG. 4 is a partially enlarged view cut in the vertical direction of flat pipes 2 and fins 4.
  • the flat pipe 2 has a vertical planar part serving as a heat-conducting surface, and a plurality of internal channels 2a in which the refrigerant flows.
  • the flat pipes 2 are disposed in a plurality of stages with spacing between in a state in which the planar parts are oriented vertically.
  • the fin 4 is connected to the flat pipe 2.
  • a plurality of cutouts 4b extending horizontally in a long and slender form are formed on the fins 4 so that the fins 4 are interleaved with the plurality of stages of flat pipes 2 arrayed between the header manifolds 61 and 62.
  • the shape of the cutout parts 4b of the fins 4, as illustrated in FIG. 4 is nearly consistent with the external shape in section of the flat pipe 2.
  • the fin 4 is provided with waffles or louvers, and has one water-guiding part 4a connected in the vertical direction at a most downstream side of the fin. Condensation is guided along the water-guiding part 4a to the lower part of the heat exchanger.
  • the floor frame 8 as illustrated in FIG. 5 , mainly has a roughly rectangular shape in plan view, and has a drain part (drain pan) 8b.
  • the heat exchanger not illustrated is mounted on the drain pan, and a first drainage opening 10 and a plurality of other openings 11 are provided on the drain pan. Water accumulating inside the floor frame 8 is drained basically from these openings 10 and 11.
  • the first drainage opening 10 is disposed in the lowest position in the vertical direction, and condensation water is drained therefrom.
  • a spacer 100 is disposed in a portion of the drain pan indicated by "25c," and the bent part 25b of the heat exchanger is mounted thereon. "26" indicates a boss for fixing the spacer 100 in position.
  • the spacer 100 is disposed in a manner so that a long direction of the spacer 100 coincides with a short direction of the heat exchanger 25.
  • FIGS. 6 to 8 illustrate a front view, a plan view, and a sectional view of a spacer 100.
  • an inclined surface 100a for guiding condensation from the heat exchanger 25 to the floor frame 8 and a horizontal surface 100b for contacting with the heat exchanger 25 and mounting the heat exchanger 25 horizontally are provided on a surface facing opposite the lower end of the heat exchanger 25.
  • the inclination of the inclined surface 100a is 10° downward from the horizontal direction.
  • the inclined surface 100a is provided so as to incline from midcourse in a short direction of the heat exchanger 25. Water drops falling from the heat exchanger 25 can thereby be led to the floor frame 8. As illustrated in FIG.5 , an opening 11 is provided on the floor frame 8 near a position 25c where the spacer 100 is disposed, and drainage is therefore achieved smoothly.
  • a drainage opening 101 is provided on a lower part of the spacer 100.
  • the portion where the drainage opening 101 is provided is thinner than a thickness of the spacer 100, and water is therefore easily guided to the drainage opening 101.
  • the spacer 100 is furthermore provided with an extended part 102 extending diagonally upward from the horizontal surface 100b.
  • the heat exchanger 25 can be anchored by the extended part 102, an anti-vibration property is improved, and drainage is further promoted.
  • the heat exchanger also can be prevented from contacting the upright portion of the floor frame when the heat exchanger is shifted by vibration.
  • a depression 103 is provided on a surface of the spacer 100 on an opposite side to the surface facing opposite the heat exchanger.
  • a boss 26 ( FIG. 5 ) provided on the floor frame 8 is inserted into the depression 103, and the position of the spacer 100 relative to the floor frame 8 is determined.
  • FIG. 9 illustrates a condition in which the outdoor heat exchanger 25 is mounted on the floor frame 8 via the spacer 100.
  • FIG. 9 is a sectional view along IX-IX in FIG. 5 .
  • the spacer 100 is disposed in the position 25c where the spacer is disposed on the floor frame 8.
  • the heat exchanger 25 is mounted on the spacer 100, with the horizontal surface 100b provided on the side of the spacer 100 opposite the surface facing opposite the floor frame 8 contacting with the lower end 25a of the bent part 25b of the heat exchanger 25 having the flat pipes 2 and the fins 4.
  • the side face of the heat exchanger 25 is disposed so as to be prevented from directly contacting with the floor frame 8 by the extended part 102.
  • the anti-vibration property of the heat exchanger can thereby be increased and water is effectively guided to the opening 11 of the floor frame 8.
  • Condensation from the heat exchanger 25 is guided along the water-guiding part 4a of the fin 4 to the spacer 100, and is guided by the inclined surface 100a to the floor frame 8. Because the drainage opening 101 on the spacer 100 is provided on a portion on a lower end of the fin 4, a portion of the condensation dripping on the horizontal surface 100b of the spacer 100 is guided to the floor frame 8 by the drainage opening 101.
  • outdoor unit 20 illustrated in the above embodiment is used in an air-conditioning apparatus 1, the outdoor unit is not limited to this and may be used in another refrigeration apparatus.
  • Patent document 1 Japanese Laid-open Patent Application No. 2010-151387

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Geometry (AREA)
  • Other Air-Conditioning Systems (AREA)
EP12861602.6A 2011-12-28 2012-12-26 Unité à l'extérieur pour dispositif de réfrigération Withdrawn EP2806220A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011290071A JP5464207B2 (ja) 2011-12-28 2011-12-28 冷凍装置の室外ユニット
PCT/JP2012/083564 WO2013099897A1 (fr) 2011-12-28 2012-12-26 Unité à l'extérieur pour dispositif de réfrigération

Publications (2)

Publication Number Publication Date
EP2806220A1 true EP2806220A1 (fr) 2014-11-26
EP2806220A4 EP2806220A4 (fr) 2016-01-13

Family

ID=48697381

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12861602.6A Withdrawn EP2806220A4 (fr) 2011-12-28 2012-12-26 Unité à l'extérieur pour dispositif de réfrigération

Country Status (7)

Country Link
US (1) US20140374078A1 (fr)
EP (1) EP2806220A4 (fr)
JP (1) JP5464207B2 (fr)
KR (1) KR20140116432A (fr)
CN (1) CN103998869A (fr)
BR (1) BR112014015787A8 (fr)
WO (1) WO2013099897A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021145829A1 (fr) * 2020-01-14 2021-07-22 Mitsubishi Electric Consumer Products (Thailand) Co., Ltd. Unité extérieure pour appareil de climatisation
DE102022105619A1 (de) 2022-03-10 2023-09-14 Baumann Maschinenbau Solms Gmbh & Co.Kg Anordnung sowie Verfahren zum Bearbeiten blattförmigen Guts

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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AU2010225956B2 (en) * 2009-03-19 2012-11-15 Daikin Industries, Ltd. Air conditioning apparatus
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BR112014015787A8 (pt) 2017-07-04
US20140374078A1 (en) 2014-12-25
CN103998869A (zh) 2014-08-20
KR20140116432A (ko) 2014-10-02
BR112014015787A2 (pt) 2017-06-13

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