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WO2019198174A1 - Dispositif de climatisation - Google Patents

Dispositif de climatisation Download PDF

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Publication number
WO2019198174A1
WO2019198174A1 PCT/JP2018/015224 JP2018015224W WO2019198174A1 WO 2019198174 A1 WO2019198174 A1 WO 2019198174A1 JP 2018015224 W JP2018015224 W JP 2018015224W WO 2019198174 A1 WO2019198174 A1 WO 2019198174A1
Authority
WO
WIPO (PCT)
Prior art keywords
header
condenser
heat transfer
air
evaporator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2018/015224
Other languages
English (en)
Japanese (ja)
Inventor
佑太 小宮
真哉 東井上
政博 横井
臼田　雄一
智史 上田
則行 谷
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to EP18914221.9A priority Critical patent/EP3779318A4/fr
Priority to PCT/JP2018/015224 priority patent/WO2019198174A1/fr
Priority to US16/975,835 priority patent/US20200400354A1/en
Priority to CN201880091370.7A priority patent/CN111919072A/zh
Priority to JP2020512992A priority patent/JP6972314B2/ja
Publication of WO2019198174A1 publication Critical patent/WO2019198174A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • 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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
    • 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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • 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
    • 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
    • F28D5/00—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, using the cooling effect of natural or forced evaporation
    • 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
    • F24F2013/225—Means for preventing condensation or evacuating condensate for evacuating condensate by evaporating the condensate in the cooling medium, e.g. in air flow from the condenser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/041—Details of condensers of evaporative condensers
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
    • 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
    • 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
    • F28F9/02—Header boxes; End plates
    • F28F2009/0285—Other particular headers or end plates
    • 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
    • F28F25/00—Component parts of trickle coolers
    • F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
    • F28F25/06—Spray nozzles or spray pipes

Definitions

  • the present invention relates to an air conditioner in which an evaporator and a condenser are arranged in one casing.
  • an integrated air conditioner in which an evaporator and a condenser are arranged in the same plane, with the evaporator positioned above and the condenser positioned below the evaporator (for example, Patent Document 1).
  • the evaporator and the condenser are constituted by spine fin tubes.
  • the spine fin tube is configured by fixing a number of strip-shaped spine fins on the outer periphery of a round tube having a circular cross section.
  • the present invention has been made to solve the above-described problems, and provides an air conditioner that can improve the amount of condensed water evaporated in a condenser.
  • An air conditioner includes a housing in which a first air passage through which indoor air circulates and a second air passage through which outdoor air circulates, and the first air passage, An evaporator that exchanges heat between air and refrigerant, a condenser that is disposed in the second air path and exchanges heat between the outdoor air and the refrigerant, and condensed water generated by the evaporator is supplied to the condenser
  • a condenser for spraying water, and the condenser includes a first heat transfer tube and a second heat transfer tube arranged in parallel with each other, and fins disposed between the first heat transfer tube and the second heat transfer tube. And.
  • the condenser includes a first heat transfer tube and a second heat transfer tube arranged in parallel to each other, and a fin disposed between the first heat transfer tube and the second heat transfer tube. Prepare. Therefore, the amount of condensed water evaporated in the condenser can be improved.
  • FIG. 1 is a schematic diagram showing the configuration of the air-conditioning apparatus according to Embodiment 1 of the present invention.
  • the air conditioner 1 includes a housing 90.
  • the housing 90 is formed with an indoor inlet 91, an indoor outlet 92, an outdoor inlet 93, and an outdoor outlet 94.
  • the indoor suction port 91 is an opening for taking indoor air A from the room into the housing 90.
  • the indoor outlet 92 is an opening for blowing the indoor air A into the room.
  • the outdoor suction port 93 is an opening for taking outdoor air B into the housing 90 from outside.
  • the outdoor air outlet 94 is an opening for blowing the outdoor air B out of the room.
  • the housing 90 is partitioned into two spaces by a partition plate 95, and a first air passage 90a through which the indoor air A flows and a second air passage 90b through which the outdoor air B flows are formed. That is, the housing 90 is partitioned by the partition plate 95 into a space communicating with the indoor suction port 91 and the indoor outlet 92 and a space communicating with the outdoor suction port 93 and the outdoor outlet 94.
  • the air conditioner 1 includes a refrigerant circuit 10.
  • the refrigerant circuit 10 includes a compressor 20, an expansion valve 30, an evaporator 40, and a condenser 50.
  • the compressor 20, the condenser 50, the expansion valve 30, and the evaporator 40 are sequentially connected in an annular shape by the refrigerant pipe 60, and the refrigerant circulates.
  • the refrigerant pipe 60 is made of, for example, aluminum.
  • the evaporator 40 is disposed in the first air passage 90 a in the housing 90.
  • the evaporator 40 exchanges heat between the indoor air A and the refrigerant.
  • the evaporator 40 includes a plurality of heat transfer tubes 41 through which the refrigerant flows and a plurality of fins 42 joined to the plurality of heat transfer tubes 41.
  • FIG. 1 the state which looked at the evaporator 40 from the side surface is shown.
  • the heat transfer tube 41 corresponds to an evaporator side heat transfer tube
  • the fin 42 corresponds to an evaporator side fin.
  • the plurality of heat transfer tubes 41 have refrigerant flow paths therein.
  • the plurality of heat transfer tubes 41 are, for example, circular tubes having a circular cross section perpendicular to the axis of the refrigerant flow path. Note that the plurality of heat transfer tubes 41 are not limited to circular tubes, and may be flat tubes having a flat cross section perpendicular to the axis of the refrigerant flow path.
  • the fin 42 is, for example, a plate fin.
  • the fins 42 are not limited to plate fins, and may be corrugated fins.
  • the plurality of heat transfer tubes 41 and the plurality of fins 42 constituting the evaporator 40 are made of aluminum.
  • the indoor blower 70 is disposed in the first air passage 90a.
  • the indoor blower 70 sucks the indoor air A from the indoor suction port 91 and blows it out from the indoor air outlet 92 into the room.
  • the indoor blower 70 is, for example, a propeller fan.
  • the indoor air blower 70 is not limited to this, For example, a crossflow fan may be sufficient.
  • an indoor drain pan 110 that stores the condensed water C generated in the evaporator 40 is disposed below the evaporator 40.
  • the condenser 50 is disposed in the second air passage 90b.
  • the condenser 50 exchanges heat between the outdoor air B and the refrigerant.
  • the configuration of the condenser 50 will be described later.
  • the outdoor blower 80 is disposed in the second air passage 90b.
  • the outdoor blower 80 sucks the outdoor air B from the outdoor suction port 93 and blows it out from the outdoor air outlet 94 to the outside.
  • the outdoor blower 80 is a sirocco fan, for example.
  • the outdoor air blower 80 is not limited to this, For example, a propeller fan may be sufficient.
  • the first air passage 90 a and the second air passage 90 b of the housing 90 are formed adjacent to each other in the horizontal direction inside the housing 90. That is, the evaporator 40 and the condenser 50 are disposed in positions separated in the horizontal direction inside the housing 90.
  • the compressor 20 is disposed in the second air passage 90b.
  • the expansion valve 30 is disposed in the first air passage 90a. Note that the compressor 20 may be disposed in the second air passage 90b.
  • the expansion valve 30 may be disposed in the second air passage 90b.
  • the compressor 20, the expansion valve 30, the evaporator 40, and the condenser 50 are accommodated in one housing 90.
  • a first air passage 90 a through which the indoor air A flows and a second air passage 90 b through which the outdoor air B flows are formed in one housing 90. That is, the air conditioning apparatus 1 constitutes an integrated air conditioner.
  • the air conditioner 1 includes a watering device 100.
  • the watering device 100 includes a water pump 101, a water pipe 102, and a water sprinkling unit 103.
  • the water sprinkling unit 103 is disposed above the condenser 50 in the housing 90.
  • the water pump 101 is disposed in the indoor drain pan 110.
  • the water pipe 102 connects the water pump 101 and the water sprinkler 103.
  • the watering device 100 sucks the condensed water C stored in the indoor drain pan 110 by the water pump 101 and sprays the condensed water C from the water sprinkling unit 103 to the condenser 50 via the water pipe 102. That is, the watering device 100 sprays the condensed water C generated in the evaporator 40 to the condenser 50.
  • FIG. 2 is a perspective view showing the condenser of the air-conditioning apparatus according to Embodiment 1 of the present invention.
  • the z direction is the vertical direction.
  • the x direction is the flow direction of the outdoor air B passing through the condenser 50.
  • the y direction is a direction orthogonal to the z direction and the y direction.
  • the x direction and the y direction are parallel to the horizontal plane.
  • the condenser 50 includes a plurality of heat transfer tubes 51, a plurality of fins 52, a first header 53, and a second header 54.
  • the plurality of heat transfer tubes 51 are arranged in parallel with each other between the first header 53 and the second header 54.
  • the plurality of heat transfer tubes 51 are arranged, for example, such that the longitudinal direction is in the vertical direction.
  • the plurality of heat transfer tubes 51 have refrigerant flow paths therein.
  • the plurality of heat transfer tubes 51 are flat tubes having a flat cross section perpendicular to the axis of the refrigerant flow path.
  • the plurality of heat transfer tubes 51 are arranged such that the long axis of the flat cross section is along the flow direction of the outdoor air B.
  • the first header 53 and the second header 54 are arranged in parallel to each other.
  • the first header 53 and the second header 54 are arranged so that the longitudinal direction is in the horizontal direction.
  • the first header 53 is disposed above the second header 54.
  • the first header 53 is connected to one end of the plurality of heat transfer tubes 51.
  • the condensed water C is sprinkled from the sprinkler 100 on the upper surface of the first header 53.
  • the other end of the plurality of heat transfer tubes 51 is connected to the second header 54.
  • the refrigerant that has flowed into the first header 53 is branched into the respective refrigerant flow paths of the plurality of heat transfer tubes 51, joined again at the second header 54, and then flows out from the second header 54.
  • the plurality of fins 52 are respectively disposed between the plurality of heat transfer tubes 51.
  • the plurality of fins 52 are, for example, corrugated fins.
  • FIG. 3 is a front view showing a main part of the condenser of the air-conditioning apparatus according to Embodiment 1 of the present invention.
  • the plurality of heat transfer tubes 51 include a first heat transfer tube 51-1 and a second heat transfer tube 51-2.
  • the first heat transfer tube 51-1 and the second heat transfer tube 51-2 are arranged adjacent to each other.
  • the first heat transfer tube 51-1 and the second heat transfer tube 51-2 are arranged in parallel to each other.
  • Fins 52 are arranged between the first heat transfer tube 51-1 and the second heat transfer tube 51-2.
  • the first header 53, the second header 54, the plurality of heat transfer tubes 51, and the plurality of fins 52 constituting the condenser 50 are made of aluminum.
  • the compressor 20 When the cooling operation is started, the compressor 20, the indoor blower 70, and the outdoor blower 80 operate.
  • the compressor 20 sucks in the low-temperature and low-pressure refrigerant and discharges the high-temperature and high-pressure refrigerant.
  • the high-temperature and high-pressure refrigerant discharged from the compressor 20 flows into the condenser 50.
  • the refrigerant that has flowed into the condenser 50 exchanges heat with the outdoor air B blown from the outdoor blower 80 to dissipate heat, and the temperature is lowered to become a liquid refrigerant and flows out of the condenser 50.
  • the refrigerant flowing out of the condenser 50 is decompressed by the expansion valve 30 to become a gas-liquid two-phase refrigerant and flows into the evaporator 40.
  • the refrigerant flowing into the evaporator 40 exchanges heat with the room air A blown from the indoor blower 70 to absorb heat and evaporate, and flows out of the evaporator 40 as a gaseous refrigerant.
  • the refrigerant that has flowed out of the evaporator 40 is sucked into the compressor 20.
  • the water vapor contained in the indoor air A is condensed to become condensed water C.
  • the condensed water C generated in the evaporator 40 is stored in the indoor drain pan 110 disposed below the evaporator 40.
  • the watering device 100 sucks the condensed water C stored in the indoor drain pan 110 by the water pump 101 and sprays the condensed water C from the water sprinkling unit 103 to the condenser 50 via the water pipe 102. Specifically, the watering device 100 sprinkles the condensed water C on the upper surface of the first header 53.
  • the water sprinkler 100 is provided with a water level sensor that detects the water level of the condensed water C stored in the indoor drain pan 110, for example, and operates the water pump 101 when the water level of the condensed water C exceeds a predetermined level. You may let them.
  • the condensed water C sprayed on the upper surface of the first header 53 flows downward from the edge of the first header 53 along the surfaces of the plurality of heat transfer tubes 51 and the plurality of fins 52. That is, the condensed water C flows in the ⁇ z direction in FIGS.
  • the condensed water C transmitted from the first header 53 to the plurality of fins 52 flows downward along the surfaces of the plurality of fins 52.
  • the condensed water C transmitted from the first header 53 to the fins 52 flows downward while being curved along the curved shape of the fins 52 that are corrugated fins. That is, the path through which the condensed water C flows through the fins 52 is longer than the distance between the first header 53 and the second header 54.
  • the condensed water C flows downward through the plurality of heat transfer tubes 51 and the plurality of fins 52, the condensed water C is heated and evaporated by the refrigerant in the plurality of heat transfer tubes 51, and becomes steam.
  • the steam flows along with the outdoor air B through the second air passage 90b and flows out of the outdoor outlet 94 to the outside.
  • the air conditioner 1 includes the evaporator 40 that exchanges heat between the indoor air A and the refrigerant, the condenser 50 that exchanges heat between the outdoor air B and the refrigerant, and the evaporator.
  • the water sprinkler 100 which sprays the condensed water C generated at 40 to the condenser 50 is provided.
  • the condenser 50 includes a first header 53 and a second header 54 arranged in parallel with each other, a plurality of heat transfer tubes 51 arranged in parallel with each other between the first header 53 and the second header 54, and a plurality of heat transfer tubes 51. Fins 52 arranged between the heat transfer tubes 51.
  • the condensed water C sprayed from the water sprinkler 100 to the condenser 50 is likely to stay on the surfaces of the fins 52 arranged between the plurality of heat transfer tubes 51, and the condensed water C evaporated in the condenser 50.
  • the amount of can be improved.
  • the air conditioning apparatus 1 is provided with the watering apparatus 100, even if it is a case where the evaporator 40 and the condenser 50 are arrange
  • the first header 53 and the second header 54 extend in the horizontal direction, and the first header 53 is disposed above the second header 54.
  • the watering device 100 is configured to sprinkle the condensed water C on the upper surface of the first header 53. For this reason, the condensed water C flows from the upper surface of the first header 53 to the second header 54 along the surfaces of the plurality of heat transfer tubes 51 and the plurality of fins 52. Therefore, the condensed water C flows along the entire surface of the condenser 50, and the amount of the condensed water C evaporated in the condenser 50 can be improved.
  • fin 52 is a corrugated fin.
  • the condensed water C transmitted from the first header 53 to the fins 52 flows downward while being curved along the curved shape of the fins 52 that are corrugated fins. That is, the path through which the condensed water C flows through the fins 52 is longer than the distance between the first header 53 and the second header 54. Therefore, compared with the case where the fins 52 are plate fins, the time for the condensed water C to receive heat from the fins 52 becomes longer, and the condensed water C tends to evaporate. Therefore, the amount of condensed water C evaporated in the condenser 50 can be improved.
  • the first header 53, the second header 54, the plurality of heat transfer tubes 51, and the fins 52 constituting the condenser 50 are made of aluminum. For this reason, compared with the case where the condenser 50 is copper or iron, the condenser 50 can be reduced in weight.
  • the plurality of heat transfer tubes 41 and the plurality of fins 42 constituting the evaporator 40 are made of aluminum.
  • the evaporator 40 can be reduced in weight compared with the case where the evaporator 40 is copper or iron.
  • the evaporator 40 is copper or iron, it can suppress that the metal ion which becomes noble rather than aluminum, such as a copper ion, in the condensed water C which generate
  • the refrigerant pipe 60 is made of aluminum.
  • the evaporator 40 can be reduced in weight compared with the case where the refrigerant
  • coolant piping 60 is copper or iron, it can suppress that the metal ion which becomes noble rather than aluminum, such as a copper ion, in the condensed water C which generate
  • coolant piping 60 are the products made from aluminum, when manufacturing the refrigerant circuit 10, it is not necessary to join dissimilar metals, and the manufacturability of the refrigerant circuit 10 can be improved. it can.
  • the condenser 50 demonstrated the structure provided with the some heat exchanger tube 51 arranged mutually parallel between the 1st header 53 and the 2nd header 54, this invention. Is not limited to this.
  • a circular tube having a circular cross section perpendicular to the axis of the refrigerant flow path may be provided.
  • the fins 52 are not limited to corrugated fins, and may be plate fins. Even in such a configuration, the amount of condensed water C evaporated in the condenser 50 can be improved.
  • the water sprinkler 100 has been described as having a configuration including the water pump 101, the water pipe 102, and the water sprinkler 103.
  • the structure of the watering apparatus 100 is not limited to this.
  • the sprinkler 100 may be configured to sprinkle the condensed water C generated in the evaporator 40 to the condenser 50.
  • FIG. 4 is a schematic diagram showing a modification of the configuration of the air-conditioning apparatus according to Embodiment 1 of the present invention.
  • an outdoor drain pan 120 is disposed below the condenser 50 in the housing 90.
  • the outdoor drain pan 120 and the indoor drain pan 110 are connected by a water pipe 121.
  • the condensed water C stored in the indoor drain pan 110 moves to the outdoor drain pan 120 through the water pipe 121.
  • the outdoor drain pan 120 stores the condensed water C generated by the evaporator 40.
  • a water spray device 130 is disposed in the outdoor drain pan 120.
  • the water sprinkler 130 has a disk shape and is provided with blades for holding condensed water C on the outer periphery.
  • the water sprinkler 130 is rotationally driven by a driving means such as a motor, and the condensed water C stored in the outdoor drain pan 120 is splashed by the outer peripheral blades and sprinkled on the side surface of the condenser 50. Even in such a configuration, the condensed water C sprinkled from the water sprinkler 130 to the condenser 50 can be retained in the fins 52 and the amount of the condensed water C evaporated in the condenser 50 can be improved.
  • Embodiment 2 FIG. Hereinafter, the configuration of the air-conditioning apparatus 1 according to the second embodiment will be described focusing on the differences from the first embodiment.
  • symbol is attached
  • FIG. 5 is a perspective view showing a condenser of the air-conditioning apparatus according to Embodiment 2 of the present invention.
  • FIG. 6 is a top view showing the condenser of the air-conditioning apparatus according to Embodiment 2 of the present invention.
  • the condenser 50 includes a plurality of fins 52 a respectively disposed between the plurality of heat transfer tubes 51.
  • the plurality of fins 52a are, for example, corrugated fins.
  • the watering device 100 sprinkles the condensed water C on the upper surface of the first header 53.
  • the plurality of fins 52 a When the condenser 50 is viewed from the top surface of the first header 53, the plurality of fins 52 a have the end portions of the plurality of fins 52 a protruding from the end portions of the first header 53. That is, as shown in FIG. 6, the length of the plurality of fins 52 a in the x direction is longer than the length of the first header 53 in the x direction.
  • both ends of the plurality of fins 52 a protrude from the end of the first header 53, but the present invention is not limited to this.
  • One end of the plurality of fins 52 a may protrude from the end of the first header 53.
  • the end portions of the plurality of fins 52 protrude from the end portions of the first header 53 in the top view. For this reason, when the condensed water C sprayed on the upper surface of the first header 53 flows downward from the edge of the first header 53 along the plurality of fins 52a, the condensed water C adheres to the surfaces of the plurality of fins 52a. It becomes easy to do. Therefore, the condensed water C sprayed from the water sprinkler 100 to the condenser 50 is likely to stay on the surfaces of the plurality of fins 52a, and the amount of the condensed water C evaporated in the condenser 50 can be improved.
  • Embodiment 3 the configuration of the air-conditioning apparatus 1 according to the third embodiment will be described focusing on differences from the first and second embodiments.
  • symbol is attached
  • FIG. 7 is a perspective view showing a condenser of the air-conditioning apparatus according to Embodiment 3 of the present invention.
  • the first header 53a of the condenser 50 is a curved surface whose upper surface protrudes upward with respect to the horizontal plane.
  • the upper surface of the first header 53a has a convex curved surface shape with the center protruding upward and the end inclined downward in the flow direction of the outdoor air B. With such a configuration, the condensed water C sprayed on the upper surface of the first header 53a flows downward along the curved surface.
  • both end portions of the first header 53a are curved surfaces inclined downward, but the present invention is not limited to this.
  • the curved surface which inclines toward the lower part of one edge part of the 1st header 53a may be sufficient.
  • the upper surface of the first header 53a is a curved surface protruding upward with respect to the horizontal plane. For this reason, even when the condensed water C is sprinkled from above the condenser 50, the condensed water C is unlikely to stay on the upper surface of the first header 53a. Therefore, the condensed water C sprayed from the water sprinkler 100 to the condenser 50 can easily reach the plurality of fins 52, and the amount of the condensed water C evaporated in the condenser 50 can be improved.
  • FIG. 8 is a perspective view showing a modification of the condenser of the air-conditioning apparatus according to Embodiment 3 of the present invention.
  • the first header 53b of the condenser 50 is an inclined surface whose upper surface is inclined with respect to a horizontal plane.
  • the upper surface of the first header 53b is configured by an inclined surface that inclines toward both ends with the central portion at the top in the flow direction of the outdoor air B. With such a configuration, the condensed water C sprayed on the upper surface of the first header 53b flows downward along the inclined surface.
  • both end portions of the first header 53b are inclined surfaces inclined downward, but the present invention is not limited to this.
  • the inclined surface which inclines toward the other edge part from the one edge part of the 1st header 53b may be sufficient.
  • the condensed water C hardly stays on the upper surface of the first header 53b. Therefore, the condensed water C sprayed from the water sprinkler 100 to the condenser 50 can easily reach the plurality of fins 52, and the amount of the condensed water C evaporated in the condenser 50 can be improved.
  • Embodiment 4 FIG.
  • the configuration of the air conditioner 1 according to the fourth embodiment will be described focusing on the differences from the first to third embodiments.
  • the same parts as those in the first to third embodiments are denoted by the same reference numerals, and description thereof is omitted.
  • FIG. 9 is a perspective view showing a condenser of the air-conditioning apparatus according to Embodiment 4 of the present invention.
  • FIG. 10 is a longitudinal sectional view showing the condenser of the air-conditioning apparatus according to Embodiment 4 of the present invention.
  • FIG. 10 shows a cross section of the condenser 50 taken along the xy plane.
  • the second header 54 a of the condenser 50 includes a water storage portion 56 formed such that the upper surface is recessed downward. Specifically, on the upper surface of the second header 54 a, the edge portion 55 protrudes upward, and the water storage portion 56 is formed on the inner side surrounded by the edge portion 55.
  • the water sprinkler 100 sprinkles condensed water C on the upper surface of the first header 53.
  • the condensed water C sprayed on the upper surface of the first header 53 flows downward from the edge of the first header 53 along the surfaces of the plurality of heat transfer tubes 51 and the plurality of fins 52.
  • the condensed water C flows downward through the plurality of heat transfer tubes 51 and the plurality of fins 52, the condensed water C is heated by the refrigerant in the plurality of heat transfer tubes 51, and evaporated to become water vapor.
  • the condensed water C is stored in the water storage section 56 formed on the upper surface of the second header 54a.
  • the condensed water C stored in the water storage unit 56 is heated by the refrigerant in the second header 54a, evaporates, and becomes steam.
  • the steam flows along with the outdoor air B through the second air passage 90b and flows out of the outdoor outlet 94 to the outside.
  • the second header 54a has the water storage portion 56 formed so that the upper surface is recessed downward. For this reason, even if a part of the condensed water C reaches the second header 54a without being completely evaporated, the condensed water C can be prevented from flowing out below the condenser 50.
  • the condensed water C stored in the water storage section 56 is heated by the refrigerant in the second header 54a and promotes evaporation, so that the amount of condensed water C evaporated in the condenser 50 can be improved. .
  • Embodiment 5 FIG. Hereinafter, the configuration of the air-conditioning apparatus 1 according to Embodiment 5 will be described focusing on the differences from Embodiments 1 to 4.
  • the same parts as those in the first to fourth embodiments are denoted by the same reference numerals, and description thereof is omitted.
  • FIG. 11 is a schematic diagram showing a configuration of an air-conditioning apparatus according to Embodiment 5 of the present invention.
  • the air conditioning apparatus 1 includes an ion exchange resin 140.
  • the ion exchange resin 140 has a function of removing metal that is contained in the condensed water C generated in the evaporator 40 and is nobler than aluminum.
  • the ion exchange resin 140 adsorbs the target substance by exchanging ions adsorbed in advance with the target substance by an equilibrium reaction by ion exchange.
  • the ion exchange resin 140 adsorbs, for example, copper ions contained in the condensed water C as a target substance and removes it from the condensed water C.
  • the ion exchange resin 140 is disposed inside the water pipe 102.
  • the ion exchange resin 140 removes a metal nobler than aluminum from the condensed water C passing through the water pipe 102.
  • the arrangement position of the ion exchange resin 140 is not limited to this, and the ion exchange resin 140 may be arranged in the indoor drain pan 110, the water pump 101, or the water sprinkler 103.
  • the air conditioner 1 includes the ion exchange resin 140 that removes the metal that is nobler than aluminum contained in the condensed water C generated in the evaporator 40. For this reason, before the condensed water C is sprinkled into the condenser 50, the metal ion which is nobler than aluminum can be removed by the ion exchange resin 140. Therefore, the amount of metal ions contained in the condensed water C and nobler than aluminum can be reduced. Therefore, even if the plurality of heat transfer tubes 41 and the plurality of fins 42 of the condenser 50 are made of aluminum, the different metal contact corrosion of the condenser 50 can be prevented.
  • the structure of the water sprinkler 100 is not limited to the structure shown in FIG.
  • the sprinkler 100 may be configured to sprinkle the condensed water C generated in the evaporator 40 to the condenser 50.
  • the ion exchange resin 140 should just be the structure which removes the metal which becomes nobler than the aluminum contained in the condensed water C, before the condensed water C is sprinkled by the condenser 50.
  • FIG. 12 is a schematic diagram showing a modification of the configuration of the air-conditioning apparatus according to Embodiment 5 of the present invention.
  • the air conditioner 1 in this modification includes an ion exchange resin 140 in addition to the configuration of the modification (FIG. 4) of the configuration of the air conditioner 1 described in the first embodiment.
  • the ion exchange resin 140 is disposed in the outdoor drain pan 120.
  • the ion exchange resin 140 removes a metal that is nobler than aluminum from the condensed water C stored in the outdoor drain pan 120.
  • the arrangement position of the ion exchange resin 140 is not limited to this, and the ion exchange resin 140 may be arranged in the indoor drain pan 110, the water pipe 121, or the water sprinkler 130.
  • the condenser 50 has been described as having the first header 53 and the second header 54, but the present invention is not limited to this.
  • the condenser 50 may be, for example, a so-called serpentine type heat exchanger configured by bending a heat transfer tube in a meandering manner.
  • the air conditioner 1 that performs the cooling operation for cooling the indoor air A has been described.
  • the air conditioner 1 may perform a dehumidifying operation for removing moisture contained in the room air A by cooling the room air A with the evaporator 40.

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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)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

La présente invention concerne un dispositif de climatisation pourvu d'un boîtier, d'un évaporateur, d'un condenseur et d'un dispositif de pulvérisation d'eau qui pulvérise le condenseur avec de l'eau condensée générée dans l'évaporateur, le condenseur étant pourvu : d'un premier collecteur et d'un second collecteur qui sont agencés en parallèle l'un avec l'autre ; d'un premier tuyau de transfert de chaleur et d'un second tuyau de transfert de chaleur qui sont agencés en parallèle l'un avec l'autre entre le premier collecteur et le second collecteur ; et d'ailettes disposées entre le premier tuyau de transfert de chaleur et le second tuyau de transfert de chaleur.
PCT/JP2018/015224 2018-04-11 2018-04-11 Dispositif de climatisation Ceased WO2019198174A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP18914221.9A EP3779318A4 (fr) 2018-04-11 2018-04-11 Dispositif de climatisation
PCT/JP2018/015224 WO2019198174A1 (fr) 2018-04-11 2018-04-11 Dispositif de climatisation
US16/975,835 US20200400354A1 (en) 2018-04-11 2018-04-11 Air-conditioning apparatus
CN201880091370.7A CN111919072A (zh) 2018-04-11 2018-04-11 空气调节装置
JP2020512992A JP6972314B2 (ja) 2018-04-11 2018-04-11 空気調和装置

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Application Number Priority Date Filing Date Title
PCT/JP2018/015224 WO2019198174A1 (fr) 2018-04-11 2018-04-11 Dispositif de climatisation

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US (1) US20200400354A1 (fr)
EP (1) EP3779318A4 (fr)
JP (1) JP6972314B2 (fr)
CN (1) CN111919072A (fr)
WO (1) WO2019198174A1 (fr)

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JP2022026757A (ja) * 2020-07-31 2022-02-10 日立Ｇｅニュークリア・エナジー株式会社 空冷式冷凍機
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KR20220151073A (ko) * 2021-05-04 2022-11-14 주식회사 힘펠 전열교환기
WO2023181724A1 (fr) * 2022-03-23 2023-09-28 サンデン株式会社 Climatiseur
WO2023191007A1 (fr) * 2022-03-31 2023-10-05 ダイキン工業株式会社 Dispositif de ventilation et procédé de ventilation

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WO2022162534A1 (fr) * 2021-01-26 2022-08-04 Dometic Sweden Ab Système de climatisation destiné à un véhicule
CN115076740A (zh) * 2021-03-12 2022-09-20 宁波方太厨具有限公司 一种换热器及安装有该换热器的吸油烟机
CN113719910B (zh) * 2021-09-02 2025-06-17 珠海格力电器股份有限公司 一种一体化空调器
JPWO2023188010A1 (fr) * 2022-03-29 2023-10-05
KR102565990B1 (ko) * 2023-03-15 2023-08-11 주식회사 대우컴프레셔 천장형 공기처리장치
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EP3779318A4 (fr) 2021-03-31
JP6972314B2 (ja) 2021-11-24
JPWO2019198174A1 (ja) 2021-02-12
EP3779318A1 (fr) 2021-02-17
CN111919072A (zh) 2020-11-10
US20200400354A1 (en) 2020-12-24

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