WO2013099904A1 - Unité extérieure destinée à un appareil de réfrigération - Google Patents

Unité extérieure destinée à un appareil de réfrigération Download PDF

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Publication number
WO2013099904A1
WO2013099904A1 PCT/JP2012/083574 JP2012083574W WO2013099904A1 WO 2013099904 A1 WO2013099904 A1 WO 2013099904A1 JP 2012083574 W JP2012083574 W JP 2012083574W WO 2013099904 A1 WO2013099904 A1 WO 2013099904A1
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WIPO (PCT)
Prior art keywords
plate
casing
heat exchanger
outdoor unit
outdoor
Prior art date
Application number
PCT/JP2012/083574
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English (en)
Japanese (ja)
Inventor
啓太郎 星加
友洋 升井
貴司 小野
弘毅 安藤
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 CN201280065336.5A priority Critical patent/CN104024747A/zh
Priority to BR112014016026A priority patent/BR112014016026A8/pt
Publication of WO2013099904A1 publication Critical patent/WO2013099904A1/fr

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    • 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
    • F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
    • 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
    • F28D1/0477—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 being bent in a serpentine or zig-zag
    • F28D1/0478—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 being bent in a serpentine or zig-zag the conduits having a non-circular cross-section

Definitions

  • the present invention relates to an outdoor unit of a refrigeration apparatus.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2010-112645
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2010-112645
  • An object of the present invention is to provide an outdoor unit of a refrigeration apparatus that is less susceptible to metal corrosion in an outdoor unit of a refrigeration apparatus that uses a heat exchanger made of aluminum or aluminum alloy.
  • the outdoor unit of the refrigeration apparatus is an outdoor unit of the refrigeration apparatus, and includes a steel casing and a heat exchanger made of aluminum or aluminum alloy.
  • the casing includes a top plate.
  • the top plate is painted at least on the bottom surface, Here, the bottom surface of the steel top plate is painted, so even if water adheres to the bottom surface of the top plate due to rain or condensation, it is difficult to corrode. Ion elution can be suppressed. Therefore, it can suppress that the water droplet containing an iron ion falls from a top plate, and corrosion generate
  • the outdoor unit of the refrigeration apparatus according to the second aspect of the present invention is the outdoor unit of the refrigeration apparatus according to the first aspect, in which the casing further includes an adjacent side plate disposed adjacent to the heat exchanger. At least the inner surface of the adjacent side plate is painted. Here, the inner surface of the adjacent side plate disposed adjacent to the heat exchanger is also coated, and the inner surface of the adjacent side plate is hardly corroded. Therefore, it is possible to prevent a situation where rainwater containing iron ions eluted from the inner surface of the adjacent side plate adheres to the heat exchanger made of aluminum or aluminum alloy, and corrosion of the heat exchanger hardly occurs.
  • the distance between the heat exchanger and the adjacent side plate is 10 mm or less in the outdoor unit of the refrigeration apparatus according to the second aspect.
  • the heat exchanger is not easily damaged by corrosion.
  • the outdoor unit of the refrigeration apparatus according to the fourth aspect of the present invention is the outdoor unit of the refrigeration apparatus according to the first aspect, and the casing is painted on all inner surfaces.
  • the entire inner surface of the casing is not easily affected by corrosion.
  • the heat exchanger is not easily damaged by corrosion. Corrosion hardly occurs in the entire outdoor unit of the refrigeration apparatus, and the reliability of the outdoor unit can be improved.
  • the outdoor unit of the refrigeration apparatus is the outdoor unit of the refrigeration apparatus according to the fourth aspect, in which the casing further includes a bottom frame disposed at the bottom of the casing. At least the bottom frame is a Zn—Al—Mg—Si plated steel plate.
  • the bottom frame is highly likely to come into contact with water by using a highly corrosion-resistant Zn—Al—Mg—Si plated steel plate for the bottom frame.
  • the inner surface of is hard to corrode. Thereby, the corrosion resistance of the outdoor unit of the refrigeration apparatus can be improved.
  • the bottom frame is hardly corroded, and the corrosion resistance of the outdoor unit of the refrigeration apparatus can be improved.
  • FIG. 1 is a schematic refrigerant circuit diagram of an air conditioner in which an outdoor unit of a refrigeration apparatus according to an embodiment of the present invention is employed. It is a schematic perspective view of the outdoor unit of the freezing apparatus which concerns on one Embodiment of this invention. It is a schematic top view in the state where the top plate of the outdoor unit of the refrigeration apparatus concerning one embodiment of the present invention was removed. It is a schematic perspective view of an outdoor heat exchanger. It is the elements on larger scale when the flat porous tube and insertion fin of an outdoor heat exchanger are cut
  • the outdoor unit of the refrigeration apparatus of this embodiment is used as an outdoor unit of an air conditioner.
  • Outline of Air Conditioner (1-1) Overall Configuration
  • the air conditioner 1 is a so-called separate type air conditioner, and as shown in FIG. 1, an outdoor unit 20, an indoor unit 40, and an outdoor unit. 20 and a liquid refrigerant communication pipe 71 and a gas refrigerant communication pipe 72 for connecting the indoor unit 40 to the indoor unit 40.
  • (1-2) Indoor Unit The indoor unit 40 is installed in a room that is an object of air conditioning.
  • the indoor unit 40 mainly includes an indoor heat exchanger 41 and an indoor fan 42.
  • the indoor heat exchanger 41 is a cross-fin type fin-and-tube heat exchanger composed of heat transfer tubes and a large number of heat transfer fins. During cooling operation, it functions as a refrigerant evaporator to cool indoor air, and during heating operation, it functions as a refrigerant condenser to heat indoor air.
  • the liquid side of the indoor heat exchanger 41 is connected to the liquid refrigerant communication pipe 71, and the gas side of the indoor heat exchanger 41 is connected to the gas refrigerant communication pipe 72.
  • the indoor fan 42 is rotated by a motor (not shown), takes in indoor air, blows it to the indoor heat exchanger 41, and promotes heat exchange between the indoor heat exchanger 41 and the indoor air. (1-3) Outdoor Unit FIG.
  • the outdoor unit 20 shows a schematic perspective view of the outdoor unit 20.
  • the outdoor unit 20 is installed outdoors.
  • the outdoor unit 20 mainly includes an accumulator 21, a compressor 23, a four-way switching valve 24, an outdoor heat exchanger 25, an expansion valve 26, a liquid side closing valve 27, a gas side closing valve 28, and an outdoor fan 35.
  • the accumulator 21, the compressor 23, the four-way switching valve 24, the outdoor heat exchanger 25, the expansion valve 26, the liquid side closing valve 27, and the gas side closing valve 28 are connected by a refrigerant pipe. Connection by refrigerant piping will be described later.
  • the blower outlet 51a of the air blown from the outdoor fan 35 is formed in the front plate 51 of the casing 50 arrange
  • the blower outlet 51a is a circular opening.
  • a bell mouth 65 protruding toward the inside of the casing 50 is provided from the peripheral edge of the opening of the air outlet 51a.
  • a fan grill 60 that covers the entire outlet 51a is attached to the outside of the casing 50 of the outlet 51a.
  • the front plate 51 on which the fan grill 60 is disposed is the front of the outdoor unit 20, and the direction when viewed from the front side is shown.
  • (2-1) Connection by Refrigerant Pipe The suction port of the compressor 23 and the four-way switching valve 24 are connected by a suction pipe 81.
  • the suction pipe 81 is provided with an accumulator 21 between the suction port of the compressor 23 and the four-way switching valve 24.
  • the discharge port of the compressor 23 and the four-way switching valve 24 are connected by a discharge pipe 82.
  • the four-way switching valve 24 and the gas side of the outdoor heat exchanger 25 are connected by a first gas refrigerant pipe 83.
  • the outdoor heat exchanger 25 and the liquid side closing valve 27 are connected by a liquid refrigerant pipe 84.
  • the liquid refrigerant pipe 84 is provided with an expansion valve 26 between the outdoor heat exchanger 25 and the liquid side closing valve 27.
  • the liquid side closing valve 27 is connected to the liquid refrigerant communication pipe 71.
  • the four-way switching valve 24 and the gas side closing valve 28 are connected by a second gas refrigerant pipe 85.
  • the gas side closing valve 28 is connected to the gas refrigerant communication pipe 72.
  • the compressor 23 sucks in the gas refrigerant and compresses the gas refrigerant.
  • the compressor 23 is a positive displacement compressor.
  • (2-3) Four-way switching valve
  • the four-way switching valve 24 switches the flow direction of the refrigerant when the air-conditioning apparatus 1 is switched between the cooling operation and the heating operation.
  • the discharge pipe 82 and the first gas refrigerant pipe 83 are connected, and the suction pipe 81 and the second gas refrigerant pipe 85 are connected.
  • the discharge pipe 82 and the second gas refrigerant pipe 85 are connected, and the suction pipe 81 and the first gas refrigerant pipe 83 are connected.
  • the accumulator 21 has a gas-liquid separation function for separating the refrigerant into a gas phase and a liquid phase.
  • the refrigerant flowing into the accumulator 21 is separated into a liquid phase and a gas phase, and the gas phase refrigerant that collects in the upper space is supplied to the compressor 23.
  • the outdoor heat exchanger 25 condenses or evaporates the refrigerant flowing inside through heat exchange with outdoor air. All of the outdoor heat exchangers 25 are made of aluminum or aluminum alloy. The outdoor heat exchanger 25 is separated from the steel member including the casing 50 directly by leaving an appropriate space with the steel member, or the resin member is replaced with the steel member and the outdoor heat exchanger 25. And placed in the casing 50. Outdoor air taken in from the outside of the casing 50 by an outdoor fan 35 described later passes through the outdoor heat exchanger 25 and is then discharged from the air outlet 51a formed in the casing 50 to the outside of the casing.
  • the outdoor heat exchanger 25 includes a flat porous tube 93, insertion fins 94, and headers 91 and 92.
  • FIG. 4 is a schematic perspective view of the outdoor heat exchanger 25.
  • FIG. 5 is a partially enlarged view when the flat porous tube 93 and the insertion fin 94 are cut in the vertical direction.
  • the flat porous tube 93 has upper and lower flat portions serving as heat transfer surfaces and a plurality of internal flow passages 93a through which the refrigerant flows.
  • the flat perforated pipes 93 are arranged in a plurality of stages at intervals in a state where the plane portion is directed up and down.
  • the insertion fin 94 is a fin having the shape shown in FIG. 5 and is in contact with the flat porous tube 93.
  • the insertion fin 94 is formed with a plurality of notches 94a extending horizontally so that the insertion fin 94 can be inserted into a plurality of flat porous tubes 93 arranged between the headers 91 and 92. ing.
  • the shapes of the notches 94a of these insertion fins 94 substantially match the outer shape of the cross section of the flat porous tube 93, as shown in FIG.
  • the headers 91 and 92 are connected to both ends of flat porous tubes 93 arranged in a plurality of stages in the vertical direction.
  • the headers 91 and 92 have a function of supporting the flat porous tube 93, a function of guiding the refrigerant to the internal flow passage 93a of the flat porous tube 93, and a function of collecting the refrigerant that has come out of the internal flow passage 93a.
  • (2-6) Expansion Valve The expansion valve 26 is provided for adjusting the refrigerant pressure and the refrigerant flow rate, and has a function of expanding the refrigerant in both the cooling operation and the heating operation.
  • the outdoor fan 35 is a fan that blows air horizontally.
  • the outdoor fan 35 is rotated by a motor 35 a and takes in outdoor air from the outside of the casing 50.
  • the taken outdoor air passes through the outdoor heat exchanger 25, and is then discharged out of the casing 50 through the air outlet 51 a formed in the casing 50. That is, as the outdoor fan 35 rotates, the air moves approximately as shown by the arrows in FIG. (2-9)
  • the casing 50 includes a left casing member 151 in which a front plate 51 and a left plate 54 are integrally formed, a bottom plate 52, a right front plate 55, a right rear plate 56, a top plate 57, and a partition plate 58. Composed.
  • the outer surfaces of the left casing member 151, the right front plate 55, and the right rear plate 56 are coated for rust prevention.
  • the top plate 57 has an outer surface and an inner surface (upper surface and lower surface) coated for rust prevention.
  • a polyester resin paint, an epoxy resin paint, or a fluororesin paint is used for coating.
  • the bottom plate 52 and the partition plate 58 are not painted. (2-9-2) Left Casing Member
  • the left casing member 151 is a plate-like member formed in a substantially L shape in plan view, and the front plate 51 and the left side plate 54 are integrally formed.
  • the left casing member 151 extends substantially vertically upward from the bottom plate 52 to the top plate 57.
  • the left casing member 151, the bottom plate 52, and the top plate 57 are each fixed by screws or the like.
  • the front plate 51 is a plate-like member that forms the left front of the casing 50.
  • the front plate 51 is formed with an air outlet 51 a for blowing air from the outdoor fan 35.
  • the blower outlet 51a is a circular opening.
  • a bell mouth 65 protruding toward the inside of the casing 50 is provided from the peripheral edge of the opening of the air outlet 51a.
  • a fan grill 60 is attached to the outside of the casing 50 of the air outlet 51a.
  • the left side plate 54 is a member constituting the left side surface of the casing 50 and faces a portion extending in the front-rear direction of the outdoor heat exchanger 25.
  • the minimum distance between the left side plate 54 and the outdoor heat exchanger 25 is 10 mm or less.
  • the left side plate 54 is formed with a suction port 54 a for air sucked into the casing 50 by the outdoor fan 35.
  • (2-9-3) Bottom Plate The bottom plate 52 is a substantially rectangular plate-like member that constitutes the lower surface of the casing 50. A bent portion (not shown) extending upward is provided at the peripheral edge of the bottom plate 52.
  • the left casing member 151, the right front plate 55, the right rear plate 56, and the partition plate 58 are fixed to the bent portion with screws or the like.
  • the right front plate 55 is a plate-like member that constitutes the front part of the right front surface and the right side surface of the casing 50.
  • the right front plate 55 extends substantially vertically upward from the bottom plate 52 to the top plate 57, and is fixed to the bottom plate 52 with screws or the like. Further, the left end portion of the right front plate 55 is fixed to the right end portion of the front plate 51 of the left casing member 151 by screws or the like.
  • the right rear plate 56 is a plate-like member that constitutes the rear portion of the right rear surface and the right side surface of the casing 50.
  • the right rear plate 56 extends substantially vertically upward from the bottom plate 52 to the top plate 57, and is fixed to the bottom plate 52 and the top plate 57 by screws or the like.
  • an air inlet 53a for air sucked into the casing 50 by the outdoor fan 35 is formed.
  • the top plate 57 is a substantially rectangular plate-shaped member that constitutes the upper surface of the casing 50.
  • the peripheral edge portion of the top plate 57 has a bent portion 57a bent downward.
  • the left casing member 151 and the right rear plate 56 are fixed to the bent portion with screws or the like.
  • the partition plate 58 is a plate-like member that extends substantially vertically upward from the bottom plate 52 to the top plate 57 of the casing 50. The lower part of the partition plate 58 is fixed to the bottom plate 52 with screws or the like. As shown in FIG. 3, the partition plate 58 has an arc shape in plan view.
  • the partition plate 58 divides the inside of the casing 50 into a fan chamber S1 and a machine chamber S2.
  • the blower chamber S1 is a space formed by surrounding the side surface with the left casing member 151 and the partition plate 58, and the outdoor fan 35 and the outdoor heat exchanger 25 are mainly disposed therein.
  • the machine room S2 is a space formed by surrounding the side surfaces with the right front plate 55, the right rear plate 56, and the partition plate 58, and the compressor 23, the four-way switching valve 24, an electrical unit, and the like are arranged therein.
  • (2-10) Fan Grill The fan grill 60 is a substantially rectangular cover member that prevents the outdoor fan 35 from coming into contact with human fingers or foreign objects.
  • the fan grill 60 is attached to the outside of the casing 50 so as to cover the entire outlet 51 a of the front plate 51 of the left casing member 151.
  • the outdoor unit 20 of the air conditioner 1 includes a steel casing 50 and an outdoor heat exchanger 25 made of aluminum or aluminum alloy.
  • the casing 50 includes a top plate 57.
  • the top plate 57 is painted on all sides.
  • the lower surface (inner surface) of the steel top plate 57 is painted, even if water adheres to the lower surface of the top plate 57 due to rain or condensation, the top plate 57 is hardly corroded. Elution of iron ions from can be suppressed. Therefore, it is possible to suppress the occurrence of corrosion in the outdoor heat exchanger 25 made of aluminum or aluminum alloy due to a drop of water containing iron ions falling from the top plate 57.
  • the casing 50 includes a bottom plate 52 as a bottom frame disposed at the bottom of the casing 50.
  • the bottom plate 52 is a Zn—Al—Mg—Si plated steel plate.
  • the Zn—Al—Mg—Si plated steel sheet is excellent in corrosion resistance, and the inner surface of the bottom plate 52 which is highly likely to come into contact with water is unlikely to corrode. Thereby, the corrosion resistance of the outdoor unit 20 of the air conditioning apparatus 1 can be improved.
  • (4) Modifications Modifications of the present embodiment are shown below. A plurality of modified examples may be appropriately combined. (4-1) Modification A Although the outdoor unit 20 shown by said embodiment is used for the air conditioning apparatus 1, it is not limited to this, You may be used for another refrigeration apparatus.
  • the left side plate 54 may come into contact with the outdoor heat exchanger 25 due to vibration or the like during the transfer of the outdoor unit 20, but this is a case where the left side plate 54 and the outdoor heat exchanger 25 are in contact.
  • the steel plate itself and the outdoor heat exchanger 25 are not in direct contact, the outdoor heat exchanger 25 is unlikely to be damaged by corrosion.
  • the minimum distance between the outdoor heat exchanger 25 and the left side plate 54 is close to 10 mm or less. For this reason, rainwater or the like blown into the casing 50 adheres to the left side plate 54 and further scatters and easily adheres to the outdoor heat exchanger 25.
  • the occurrence of corrosion on the inner surface of the left side plate 54 can be suppressed by coating the inner surface of the left side plate 54. For this reason, it becomes easy to avoid the situation where rainwater containing iron ions scatters from the left side plate 54 and corrodes the outdoor heat exchanger 25.
  • (4-3) Modification C Furthermore, in the outdoor unit 20 of the air conditioner 1, it is more desirable that all the inner surfaces of the members constituting the casing 50 are painted.
  • the bottom plate 52 is preferably a Zn—Al—Mg—Si plated steel plate. Even when the coating film of the bottom plate 52 is damaged or deteriorated for some reason, the bottom frame is highly likely to come into contact with water by using a highly corrosion-resistant Zn—Al—Mg—Si plated steel plate for the bottom frame.
  • the inner surface of is hard to corrode. Thereby, the corrosion resistance of the outdoor unit of the refrigeration apparatus can be improved.
  • a hot dip galvanized steel sheet is used for the casing 50 except for the bottom plate 52, but the present invention is not limited to this.
  • the casing 50 may be made of a Zn—Al—Mg—Si plated steel plate. As a result, the corrosion resistance of the casing 50 is further increased, and the corrosion of the outdoor heat exchanger 25 is further easily suppressed.
  • Air conditioning equipment (refrigeration equipment) 20 Outdoor unit 25 Outdoor heat exchanger (heat exchanger) 50 Casing 52 Bottom plate (bottom frame) 54 Left side plate (adjacent side plate) 57 Top plate

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

Abstract

La présente invention concerne une unité extérieure destinée à un appareil de réfrigération, utilisant un échangeur thermique en aluminium ou alliage d'aluminium et peu susceptible d'être affectée par la corrosion métallique. Une unité extérieure (20) destinée à un climatiseur (1) est pourvue d'un boîtier en acier (50), et d'un échangeur thermique extérieur en aluminium ou alliage d'aluminium. Le boîtier (50) comprend une plaque supérieure (57), et au moins la surface inférieure de la plaque supérieure (57) est recouverte.
PCT/JP2012/083574 2011-12-28 2012-12-26 Unité extérieure destinée à un appareil de réfrigération WO2013099904A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201280065336.5A CN104024747A (zh) 2011-12-28 2012-12-26 制冷装置的室外单元
BR112014016026A BR112014016026A8 (pt) 2011-12-28 2012-12-26 unidade externa para um aparelho de refrigeração

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011290084A JP5304881B2 (ja) 2011-12-28 2011-12-28 冷凍装置の室外ユニット
JP2011-290084 2011-12-28

Publications (1)

Publication Number Publication Date
WO2013099904A1 true WO2013099904A1 (fr) 2013-07-04

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PCT/JP2012/083574 WO2013099904A1 (fr) 2011-12-28 2012-12-26 Unité extérieure destinée à un appareil de réfrigération

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JP (1) JP5304881B2 (fr)
CN (1) CN104024747A (fr)
BR (1) BR112014016026A8 (fr)
WO (1) WO2013099904A1 (fr)

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CN103900167A (zh) * 2014-03-21 2014-07-02 美的集团股份有限公司 风机的出风保护罩、风机和空调器室外机
CN103900166A (zh) * 2014-03-21 2014-07-02 美的集团股份有限公司 风机的出风保护罩、风机和空调器室外机
CN107003016A (zh) * 2014-12-26 2017-08-01 三菱电机株式会社 室外机
WO2021171399A1 (fr) * 2020-02-26 2021-09-02 三菱電機株式会社 Unité extérieure pour climatiseur

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JP2017058098A (ja) * 2015-09-18 2017-03-23 東芝キヤリア株式会社 冷凍サイクル装置
CN110793108A (zh) * 2018-08-02 2020-02-14 青岛海尔空调器有限总公司 空调器防腐方法及装置、空调器、计算机设备、存储介质

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CN104024747A (zh) 2014-09-03
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JP2013139929A (ja) 2013-07-18
BR112014016026A2 (pt) 2017-06-13

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