[go: up one dir, main page]

WO2018139863A1 - Échangeur de chaleur de réfrigérateur - Google Patents

Échangeur de chaleur de réfrigérateur Download PDF

Info

Publication number
WO2018139863A1
WO2018139863A1 PCT/KR2018/001098 KR2018001098W WO2018139863A1 WO 2018139863 A1 WO2018139863 A1 WO 2018139863A1 KR 2018001098 W KR2018001098 W KR 2018001098W WO 2018139863 A1 WO2018139863 A1 WO 2018139863A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
heat
heat exchange
flat tubes
refrigerant
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/KR2018/001098
Other languages
English (en)
Korean (ko)
Inventor
박태균
김주혁
이응열
최지원
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Priority to EP18745341.0A priority Critical patent/EP3575723A4/fr
Priority to CN201880021276.4A priority patent/CN110494709A/zh
Priority to US16/480,855 priority patent/US20210131749A1/en
Publication of WO2018139863A1 publication Critical patent/WO2018139863A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • F28D1/04—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
    • F28D1/05383—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
    • 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
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0417—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with particular circuits for the same heat exchange medium, e.g. with the heat exchange medium flowing through sections having different heat exchange capacities or for heating/cooling the heat exchange medium at different temperatures
    • 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
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
    • 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
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0435—Combination of units extending one behind the other
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/048—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels
    • 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
    • F25B2339/043—Condensers made by assembling plate-like or laminated elements
    • 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
    • F28D1/05375—Assemblies of conduits connected to common headers, e.g. core type radiators with particular pattern of flow, e.g. change of flow direction
    • 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
    • F28D2021/0061—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for phase-change applications
    • F28D2021/0063—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
    • F28F1/126—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2210/00—Heat exchange conduits
    • F28F2210/08—Assemblies of conduits having different features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
    • F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels
    • 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

Definitions

  • the present invention relates to a heat exchanger of a refrigerator.
  • the heat exchanger may be used as a condenser or evaporator in a refrigeration cycle device consisting of a compressor, a condenser, an expansion device, and an evaporator.
  • the heat exchanger is installed in a vehicle, a refrigerator, etc. to exchange the refrigerant with air.
  • the heat exchanger may be classified into a fin tube type heat exchanger and a micro channel heat exchanger according to the structure.
  • Finned tube heat exchangers are made of copper, and micro-channel heat exchangers are made of aluminum.
  • the micro channel type heat exchanger has a good efficiency compared to the fin tube type heat exchanger because a fine flow path is formed therein.
  • the small microchannel type heat exchanger used in a refrigerator or the like Since a small microchannel type heat exchanger used in a conventional refrigerator or the like is manufactured in a one turn method, only a simple refrigerant path can be designed, and there is a problem in that heat exchange efficiency is lowered.
  • the small microchannel type heat exchanger used in a refrigerator or the like has the same number of refrigerant tubes at the inlet and the outlet, so that the temperature difference between the refrigerant and the air is large in the portion where the high temperature refrigerant flows in, so that the heat exchange amount is large but the heat exchange efficiency is high. Is low and the temperature difference between the refrigerant and the air is small in the outflow portion of the low-temperature refrigerant is small heat exchange amount, but the heat exchange efficiency is high, there is a disadvantage that the overall heat exchange efficiency is lowered.
  • the conventional heat exchanger has the same cross-sectional area of the refrigerant tube in the inflow portion and the outflow portion, the change in the specific volume of the refrigerant, there is a problem that the heat exchange amount is lowered.
  • An object of the present invention is to provide a heat exchanger of a refrigerator in which a coolant flows smoothly even when used as a condenser.
  • Another object of the present invention is to provide a heat exchanger of a refrigerator having a plurality of heat and excellent heat exchange efficiency.
  • Still another object of the present invention is to provide a heat exchanger of a refrigerator which minimizes a pressure difference between refrigerants in a plurality of rows.
  • the heat exchanger of the refrigerator according to the present invention heats the second heat exchanger to the outside air before the first heat exchanger, and increases the sum of the cross-sectional areas of the flat tubes of the first heat exchanger and the cross-sectional area of the flat tubes of the second heat exchanger. It is done.
  • the sum of the cross sectional areas of the flat tubes of the intermediate heat exchanger is less than or equal to the sum of the cross sectional areas of the flat tubes of the first heat exchanger.
  • the heat exchanger of the refrigerator according to the present invention is the inner diameter of the flat tube of the first heat exchanger, the inner diameter of the second flat tube is the same, the number of the flat tube of the first heat exchanger is a large number of the flat tube of the second heat exchanger. It is characterized by.
  • the heat exchanger of the refrigerator of the present invention has one or more of the following effects.
  • the second heat exchanger is heat-exchanged with the outside air before the first heat exchanger, and the optimum heat exchange amount considering the specific volume by increasing the sum of the cross-sectional areas of the flat tubes of the first heat exchanger and the cross-sectional area of the flat tubes of the second heat exchanger.
  • the intermediate heat exchange part can be used, and even when the intermediate heat exchange part is used, the heat exchange efficiency and the heat exchange amount can be improved.
  • FIG. 1 is a block diagram showing a refrigeration cycle apparatus according to a first embodiment of the present invention.
  • FIG. 2 is a perspective view illustrating the inside of the outdoor unit illustrated in FIG. 1.
  • FIG. 3 is a perspective view of the outdoor heat exchanger shown in FIG. 2.
  • FIG. 4 is an exploded perspective view of the outdoor heat exchanger illustrated in FIG. 2.
  • FIG. 5 is a cross-sectional view of the first heat exchanger illustrated in FIG. 4.
  • FIG. 6 is a cross-sectional view of the second heat exchanger illustrated in FIG. 4.
  • FIG. 7 is a graph showing the amount of heat exchange according to the area ratio of the flat tubes of the first heat exchange part and the second heat exchange part.
  • FIG 8 is a plan view of an outdoor heat exchanger according to a second embodiment of the present invention.
  • FIG. 9 is a plan view of an outdoor heat exchanger according to a third embodiment of the present invention.
  • FIG. 10 is a plan view of an outdoor heat exchanger according to a fourth embodiment of the present invention.
  • spatially relative terms below “, “ beneath “, “ lower”, “ above “, “ upper” It may be used to easily describe the correlation of components with other components. Spatially relative terms are to be understood as including terms in different directions of the component in use or operation in addition to the directions shown in the figures. For example, when flipping a component shown in the drawing, a component described as “below” or “beneath” of another component may be placed “above” the other component. Can be. Thus, the exemplary term “below” can encompass both an orientation of above and below. The components can be oriented in other directions as well, so that spatially relative terms can be interpreted according to the orientation.
  • each component is exaggerated, omitted, or schematically illustrated for convenience and clarity of description.
  • the size and area of each component does not necessarily reflect the actual size or area.
  • FIG. 1 is a block diagram showing a refrigeration cycle apparatus according to a first embodiment of the present invention
  • Figure 2 is a perspective view showing the inside of the outdoor unit shown in FIG.
  • the refrigeration cycle apparatus includes a compressor 10 for compressing a refrigerant, an outdoor heat exchanger 20 in which the refrigerant is heat-exchanged with outdoor air, and an expansion mechanism for expanding the refrigerant ( 12) and an indoor heat exchanger (13) in which the refrigerant exchanges heat with the indoor air.
  • the refrigerant compressed by the compressor 10 may pass through the outdoor heat exchanger 20 to be condensed by heat exchange with outdoor air.
  • the outdoor heat exchanger 20 may be used as a condenser.
  • the refrigerant condensed in the outdoor heat exchanger 20 may flow to the expansion mechanism 12 and expand.
  • the refrigerant expanded by the expansion mechanism 12 may be exchanged with the indoor air and evaporated while passing through the indoor heat exchanger 13.
  • the indoor heat exchanger 12 may be used as an evaporator to evaporate the refrigerant.
  • the refrigerant evaporated in the indoor heat exchanger 12 may be recovered by the compressor 10.
  • the refrigerant is operated in a cooling cycle while circulating the compressor 10, the outdoor heat exchanger 20, the expansion mechanism 12, and the indoor heat exchanger 13.
  • the compressor 10 may be connected to a suction channel of the compressor 10 for guiding the refrigerant passing through the indoor heat exchanger 13 to the compressor 10.
  • the accumulator 14 in which the liquid refrigerant accumulates may be installed in the suction passage of the compressor 10.
  • the indoor heat exchanger 13 may have a refrigerant passage through which the refrigerant passes.
  • the refrigeration cycle apparatus may be a separate air conditioner in which the indoor unit I and the outdoor unit O are separated, and in this case, the compressor 10 and the outdoor heat exchanger 20 may be installed inside the outdoor unit I.
  • the refrigeration cycle apparatus may be a refrigerator, the indoor heat exchanger (13) is arranged to heat exchange with the air in the food storage, the outdoor heat exchanger (20) machine 20 may heat exchange with the air outside the food storage.
  • the indoor unit I and the outdoor unit O may be arranged together in the main body.
  • the expansion mechanism 12 may be installed in either the indoor unit I or the outdoor unit O.
  • the indoor heat exchanger 13 may be installed inside the indoor unit (I).
  • the outdoor unit O may be provided with an outdoor fan 15 for blowing outdoor air to the outdoor heat exchanger 20.
  • the indoor unit I may be provided with an indoor fan 16 for blowing indoor air to the indoor heat exchanger 13.
  • FIG. 3 is a perspective view of the outdoor heat exchanger 20 shown in FIG. 2
  • FIG. 4 is an exploded perspective view of the outdoor heat exchanger 20 shown in FIG. 2
  • FIG. 5 is a first heat exchanger 100 shown in FIG. 4.
  • 6 is a cross-sectional view of the second heat exchanger 200 shown in FIG. 4.
  • the outdoor heat exchanger 20 is a micro channel type heat exchanger.
  • the outdoor heat exchanger 20 is made of aluminum.
  • the outdoor heat exchanger 20 includes a first heat exchanger 100 and a second heat exchanger 200. Unlike the present embodiment, the outdoor heat exchanger 20 may have two or more heat exchangers stacked.
  • the outdoor heat exchanger 20 is connected to the first heat exchanger 100, the second heat exchanger 200 stacked with the first heat exchanger 100, and the first heat exchanger 100 to supply refrigerant.
  • the tube 22 and the discharge tube 24 connected to the second heat exchange part 200 to discharge the refrigerant, the first heat exchange part 100 and the second heat exchange part 200 are connected, and the refrigerant is connected to the first refrigerant. It includes a connecting pipe 25 for flowing from the heat exchange unit 100 to the second heat exchange unit 200.
  • the first heat exchange part 100 is disposed to exchange heat with air heat exchanged with the second heat exchange part 200.
  • the first heat exchanger 100 and the second heat exchanger 200 are disposed on a path through which the external air flows, and the external air is primarily heat exchanged with the second heat exchanger 200, and the secondary air is secondary.
  • heat exchange with the first heat exchanger 100 More specifically, the outdoor unit includes an air inlet part H1 through which external air is introduced, and an air outlet part H2 through which the inlet air exchanges heat with the heat exchange parts and flows out, and the second heat exchange part 200 includes a first heat exchanger. It is disposed adjacent to the air inlet portion H1 relative to the portion 100.
  • the first heat exchange part 100 through which the high temperature refrigerant flows is disposed in a region having a high outside temperature
  • the second heat exchange part 200 through which the low temperature refrigerant flows is disposed in a region where the temperature of the outside air is low
  • the first heat exchange part 100 and the second heat exchange part 200 may be arranged to define a heat exchange surface P intersecting with the flow direction of air.
  • the first heat exchanger 100 and the second heat exchanger 200 cross the air flow direction, and form a heat exchange surface through which the air can pass through the heat exchanger.
  • the first heat exchange part 100 and the second heat exchange part 200 may be stacked along the flow direction of air.
  • the first heat exchange part 100 and the second heat exchange part 200 are manufactured by stacking a plurality of flat tubes 50.
  • the first heat exchange part 100 and the second heat exchange part 200 arrange the flat tube 50 horizontally to allow the refrigerant to move horizontally.
  • the flat tubes 50 of the first heat exchange part 100 and the second heat exchange part 200 are horizontally disposed horizontally when the air flow direction is in the front-rear direction, and the plurality of flat tubes ( 50 may be stacked in a vertical direction. Heat is exchanged with the refrigerant in the flat tube 50 while air passes through the space between the plurality of flat tubes 50 stacked in the vertical direction (longitudinal direction).
  • the plurality of flat tubes 50 stacked vertically define a heat exchange surface P1 together with fins 60 to be described later.
  • the first heat exchange part 100 may include a flat tube 50, a left header, a right header, and a fin 60.
  • the first heat exchange part 100 includes a plurality of first flat tubes 51 having a plurality of flow paths formed therein, and a first fin 61 connecting the first flat tubes 51 to conduct heat.
  • the first left header 71 is coupled to one side of the plurality of first flat tubes 51 and communicates with one side of the plurality of first flat tubes 51, and the refrigerant flows, and the other side of the plurality of first flat tubes 51. It is coupled to, and the first right header 81 in communication with the other side of the plurality of first flat tube 51 flows the refrigerant.
  • the first flat tube 51 is disposed to extend in the transverse direction. Inside the first flat tube 51, a flow path through which a refrigerant flows is formed.
  • the first flat tube 51 is disposed horizontally, and a plurality of first flat tubes 51 are stacked in the vertical direction. A plurality of flow paths may be formed in the first flat tube 51.
  • the left side of the first flat tube 51 communicates with the first left header 71, and the right side communicates with the first right header 81.
  • the first fin 61 is formed by bending in the vertical direction, and connects two first flat tubes 51 stacked in the vertical direction to conduct heat.
  • the first right header 81 is in communication with the other side of the plurality of first flat tubes 51.
  • the first right header 81 extends in the vertical direction and is connected to the inflow pipe 22.
  • the inside of the first right header 81 is formed as one space, and distributes and supplies the refrigerant introduced through the inflow pipe 22 to the plurality of first flat tubes 51.
  • One inlet pipe 22 may be connected to the first right header 81, and a plurality of inlet pipes 22 may be connected to the first right header 81.
  • the inlet pipe 22 may include a first inlet pipe 22a and a second inlet pipe 22b disposed below the first inlet pipe 22.
  • the first left header 71 communicates with one side of the plurality of first flat tubes 51.
  • the first left header 71 extends long in the vertical direction and is connected to the connecting pipe 25.
  • the inside of the first left header 71 is formed as one space, and guides the refrigerant discharged to the other side of the plurality of first flat tubes 51 to the connection pipe 25.
  • One connector 25 may be connected to the first left header 71, and a plurality of connectors 25 may be connected.
  • one connecting pipe 25 is connected to the center of the first left header 71.
  • One side of the connection pipe 25 is connected to the first left header 71 of the first heat exchange part 100, and the other side is connected to the second left header 70 of the second heat exchange part 200.
  • the refrigerant introduced through the inlet pipe 22 is supplied to each of the first flat tubes 51 through the first right header 81, and the refrigerant passing through the first flat tube 51 exchanges heat with air. It is supplied to the connecting pipe 25 through the first left header 71.
  • the inlet pipe 22 is connected to the compressor 10 to supply the high temperature and high pressure refrigerant to the first heat exchange unit 100.
  • the second heat exchange part 200 may include a plurality of flat tubes 50, fins 60, a left header, and a right header.
  • the second heat exchange part 200 includes a plurality of second flat tubes 52, a second fin 62, a second left header 70, and a second right header 80.
  • the second heat exchange part 200 includes a plurality of second flat tubes 52 having a plurality of flow paths formed therein, a second fin 62 connecting the second flat tubes 52 to conduct heat, and a plurality of It is coupled to one side of the second flat tube 52, the second left header 70 and the plurality of second flat tube 52 and the other side of the second flat tube 52 is in communication with one side of the plurality of second flat tube 52, , A second right header 80 in communication with the other sides of the plurality of second flat tubes 52, through which the refrigerant flows.
  • the second flat tube 52 is disposed to extend in the transverse direction. A flow path through which the refrigerant flows is formed in the second flat tube 52.
  • the second flat tube 52 is disposed horizontally, and a plurality of second flat tubes 52 are stacked in the vertical direction. A plurality of flow paths may be formed in the second flat tube 52.
  • the left side of the second flat tube 52 communicates with the second left header 70, and the right side communicates with the second right header 80.
  • the second fin 62 is formed by bending in the vertical direction and connecting two second flat tubes 52 stacked in the vertical direction to conduct heat.
  • the second right header 80 communicates with the other side of the plurality of second flat tubes 52.
  • the second right header 80 extends long in the vertical direction and is connected to the outlet pipe 24.
  • the inside of the second right header 80 is formed as one space, and supplies the refrigerant discharged from the plurality of second flat tubes 52 to the outlet pipe 24.
  • One outlet pipe 24 may be connected to the second right header 80, and a plurality of outlet pipes 24 may be connected to the second right header 80.
  • the second left header 70 communicates with one side of the plurality of second flat tubes 52.
  • the second left header 70 extends long in the vertical direction and is connected to the connecting pipe 25.
  • the inside of the second left header 70 is formed as one space, and supplies the refrigerant supplied through the connection pipe 25 to the plurality of second flat tubes 52.
  • One connector 25 may be connected to the second left header 70, and a plurality of connectors 25 may be connected.
  • one connecting pipe 25 is connected to the center of the second left header 70. Since the connecting pipe 25 connects the first left header 71 and the second left header 70, the connecting pipe 25 has a length and a manufacturing cost is reduced.
  • the refrigerant heat-exchanged in the first heat exchange part 100 has a large specific volume because it is a gaseous state of high temperature and high pressure discharged from the compressor 10.
  • Refrigerant heat exchanged in the second heat exchanger 200 is a heat exchange is completed in the first heat exchanger 100, a gas or a mixed state of the gas and liquid having a temperature relatively lower than the refrigerant of the first heat exchanger 100 Have. Therefore, the specific volume of the refrigerant heat exchanged in the second heat exchange part has a specific volume smaller than that of the refrigerant heat exchanged in the first heat exchange part 100.
  • the first heat exchange part 100 may be due to the large specific volume of the refrigerant in the first heat exchange part 100. ), The amount of heat exchange and efficiency is greatly reduced.
  • the sum of the cross-sectional areas of the flat tubes 50 of the first heat exchange part 100 is greater than the sum of the cross-sectional areas of the flat tubes 50 of the second heat exchange part 200, and thus, the first heat exchange part ( 100, it is possible to improve the heat exchange amount.
  • the ratio of the sum of the cross sectional areas of the flat tubes 50 of the first heat exchange part 100 and the cross sectional areas of the flat tubes 50 of the second heat exchange part 200 is 7 to 9: 1 to 2.
  • the ratio of the sum of the cross-sectional areas of the flat tubes 50 of the first heat exchange part 100 and the cross-sectional area of the flat tubes 50 of the second heat exchange part 200 is preferably 8: 2.
  • the heat exchange surfaces of the first heat exchange unit 100 and the heat exchange surfaces P1 and P2 of the second heat exchange unit 200 are spaced apart from each other.
  • the cross-sectional area of the flat tubes 50 of the first heat exchanger 100 and the cross-sectional area of the flat tubes 50 of the second heat exchanger 200 can be adjusted by varying the inner diameter of the flat tube 50, but In consideration of cost and convenience of manufacture, it is desirable to adjust the number of flat tubes 50 having the same inner diameter.
  • the inner diameter of the flat tube 50 of the first heat exchange part 100 and the inner diameter of the second flat tube 52 are the same, and the number of the flat tubes 50 of the first heat exchange part 100 is the second heat exchange part. It may be larger than the number of flat tubes 50 of the (200).
  • the inner diameter of the flat tube 50 of the first heat exchange part 100 and the inner diameter of the second flat tube 52 are the same, and the number of the flat tubes 50 of the first heat exchange part 100 and the second heat exchange part
  • the ratio of the number of the flat tubes 50 of the 200 may be 7 to 9: 1 to 2.
  • the inner diameter of the flat tube 50 of the first heat exchange part 100 and the inner diameter of the second flat tube 52 are the same, and the number of the flat tubes 50 of the first heat exchange part 100 and the second heat exchange part It is preferable that the ratio of the number of the flat tubes 50 of 200 is 8: 2.
  • the first flat tube of the first heat exchange part 100 When the number of the flat tubes 50 of the first heat exchange part 100 is greater than the number of the flat tubes 50 of the second heat exchange part 200, the first flat tube of the first heat exchange part 100 ( The pitch between the 51 and the pitch between the second flat tube 52 of the second heat exchange part 200 is preferably the same. Of course, the pitch between the first flat tubes 51 of the first heat exchange part 100 may be smaller than the pitch between the second flat tubes 52 of the second heat exchange.
  • the first flat tubes 51 of the first heat exchange part 100 and the second flat tube 52 of the second heat exchange are viewed in the air flow direction (front and rear direction). ) May be arranged not to overlap each other.
  • the air passing between the first flat tubes 51 of the first heat exchange part 100 flows into the space between the second flat tubes 52 of the second heat exchange, changes its direction, and increases the time for which the air stays. do.
  • FIG. 7 is a graph showing the heat exchange amount according to the area ratio of the flat tube 50 of the first heat exchange part 100 and the second heat exchange part 200.
  • the inner diameter of the flat tube 50 of the first heat exchange part 100 and the inner diameter of the second flat tube 52 are the same, and the inner diameter of the flat tube 50 of the first heat exchange part 100 is the same.
  • the ratio of the number and the number of the flat tubes 50 of the second heat exchange part 200 is 8: 2, it can be seen that it has the maximum heat exchange amount.
  • FIG 8 is a plan view of an outdoor heat exchanger 20 according to a second embodiment of the present invention.
  • the second embodiment has a difference in the number of heat exchange surfaces of the first heat exchange part 100 or the second heat exchange part 200.
  • the flat tubes 50 of the first heat exchange part 100 or the second heat exchange part 200 are divided into a plurality of flat tube 50 groups, and the plurality of flat tube 50 groups are air.
  • a plurality of columns may be formed along the flow direction of the.
  • the flat tubes 50 of the first heat exchange part 100 are flat tubes of the second heat exchange part 200. Should have a number greater than (50). At this time, when the first heat exchanger 100 and the second heat exchanger 200 are arranged in one row, a problem arises in that the size of the first heat exchanger 100 becomes excessively large.
  • the heat exchange surface of the first heat exchange part 100 is arranged in multiple rows.
  • the first heat exchange part 100 defines a heat exchange surface P1 by forming a group by arranging a plurality of first flat tubes 51 having a predetermined pitch up and down.
  • the plurality of flat tube groups 50 may form a plurality of rows along the air flow (front and rear) direction. That is, the heat exchange surfaces P1a, P1b, and P1c are spaced apart along the front and rear directions to form a plurality of rows.
  • the left header or the right header may be arranged in plurality in correspondence with each heat exchange surface.
  • the first right header 81 may be disposed on each of the heat exchange surfaces of the first heat exchange part 100.
  • Three first right headers 81 are disposed on one side of three heat exchange surfaces of the first heat exchange unit 100.
  • An inlet pipe 22 is connected to each first right header 81.
  • the first left header 71 may be disposed on each of the heat exchange surfaces of the first heat exchange part 100.
  • Three first left headers 71 are disposed on the other side of the three thermal bridge screens of the first heat exchanger 100.
  • a connecting pipe 25 is connected to each first left header 71.
  • the heat exchange area of the first heat exchange part 100 may be improved, and the first heat exchange part 100 may be arranged in multiple rows in a limited space, thereby maximizing space utilization.
  • FIG. 9 is a plan view of an outdoor heat exchanger 20 according to a third embodiment of the present invention.
  • the third embodiment has a difference in the structure of the left header or the right header.
  • the left header or the right header of the third embodiment may be in communication with a plurality of flat tubes 50 disposed on each heat exchange surface.
  • the first left header 71 of the first heat exchange part 100 communicates with the plurality of heat exchange surfaces.
  • One first left header 71 and a plurality of heat exchange surfaces communicate with each other.
  • the first right header 81 of the first heat exchange part 100 communicates with the plurality of heat exchange surfaces.
  • One first right header 81 and a plurality of heat exchange surfaces communicate with each other.
  • the manufacturing cost can be reduced.
  • FIG. 10 is a plan view of an outdoor heat exchanger 20 according to a fourth embodiment of the present invention.
  • the fourth embodiment further includes an intermediate heat exchanger 300.
  • the intermediate heat exchange part 300 includes a plurality of flat tubes 50 for exchanging refrigerant and air, and heat exchanges the refrigerant discharged from the first heat exchange part 100 to the second heat exchange part 200. Supplies).
  • the intermediate heat exchange part 300 is arranged to heat the refrigerant passing through the first heat exchange part 100 and to supply the second heat exchange part 200.
  • the intermediate heat exchanger 300 may include a flat tube 50, a third left header 73, a third right header 83, and a fin 60, similarly to the first heat exchanger 100.
  • the third left header 73 is connected to the left side of the flat tube 50 of the intermediate heat exchanger 300, and the third right header 83 is connected to the right side thereof.
  • the flat tube 50 of the intermediate heat exchange part 300 defines a heat exchange surface P3.
  • the third left header 73 is connected via the first left header 71 and the first connector 25a, and the third right header 83 is the second right header 80 and the second connector 25b. Is connected via).
  • the specific volume of the refrigerant in the intermediate heat exchange part 300 is smaller than the specific volume of the refrigerant in the first heat exchange part 100 and larger than the specific volume of the refrigerant in the second heat exchange part 200.
  • the sum of the cross-sectional areas of the flat tubes 50 of the intermediate heat exchange part 300 is less than or equal to the sum of the cross-sectional areas of the flat tubes 50 of the first heat exchange part 100, and the flat tubes of the second heat exchange part 200. 50) can be larger than the sum of the cross-sectional areas.
  • the ratio of the sum of the cross-sectional areas may be composed of 7-9: 7-9: 1-2.
  • the inner diameter of the flat tube 50 of the first heat exchange part 100, the inner diameter of the second flat tube 52 and the flat tube of the intermediate heat exchange part 300 ( The inner diameter of the 50 is the same, the number of the flat tube 50 of the intermediate heat exchange unit 300 is less than or equal to the number of the flat tube 50 of the first heat exchange unit 100, the second heat exchange unit 200 ) May be greater than the number of flat tubes 50.
  • the intermediate heat exchange part 300 can be used, and even when the intermediate heat exchange part 300 is used, the heat exchange efficiency and the heat exchange amount can be improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un échangeur de chaleur d'un réfrigérateur qui est un échangeur de chaleur de type à micro-canal d'un réfrigérateur comprenant : une première unité d'échange de chaleur comprenant une pluralité de tubes plats pour échanger de la chaleur entre un fluide frigorigène et de l'air et reliée à un tuyau d'entrée à travers lequel s'écoule le fluide frigorigène ; une seconde unité d'échange de chaleur comprenant une pluralité de tubes plats pour échanger de la chaleur entre le fluide frigorigène et l'air, disposée sur l'extérieur de la première unité d'échange de chaleur et reliée à un tube de décharge à travers lequel le fluide frigorigène est évacué ; et un tuyau de raccordement pour relier la première unité d'échange de chaleur et la seconde unité d'échange de chaleur et fournir le fluide frigorigène évacué de la première unité d'échange de chaleur à la seconde unité d'échange de chaleur, la première unité d'échange de chaleur étant conçue pour échanger de la chaleur avec de l'air dont la chaleur a été échangée avec la seconde unité d'échange de chaleur et la somme des aires en section transversale des tubes plats de la première unité d'échange de chaleur est supérieure à la somme des aires en section transversale des tubes plats de la seconde unité d'échange de chaleur.
PCT/KR2018/001098 2017-01-25 2018-01-25 Échangeur de chaleur de réfrigérateur Ceased WO2018139863A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP18745341.0A EP3575723A4 (fr) 2017-01-25 2018-01-25 Échangeur de chaleur de réfrigérateur
CN201880021276.4A CN110494709A (zh) 2017-01-25 2018-01-25 冰箱的热交换器
US16/480,855 US20210131749A1 (en) 2017-01-25 2018-01-25 Heat exchanger of refrigerator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170012262A KR20180087775A (ko) 2017-01-25 2017-01-25 냉장고의 열교환기
KR10-2017-0012262 2017-01-25

Publications (1)

Publication Number Publication Date
WO2018139863A1 true WO2018139863A1 (fr) 2018-08-02

Family

ID=62979599

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/001098 Ceased WO2018139863A1 (fr) 2017-01-25 2018-01-25 Échangeur de chaleur de réfrigérateur

Country Status (5)

Country Link
US (1) US20210131749A1 (fr)
EP (1) EP3575723A4 (fr)
KR (1) KR20180087775A (fr)
CN (1) CN110494709A (fr)
WO (1) WO2018139863A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111780459A (zh) * 2019-04-03 2020-10-16 浙江三花智能控制股份有限公司 换热器及换热系统
EP4328534A4 (fr) * 2021-04-20 2024-06-05 Mitsubishi Electric Corporation Échangeur de chaleur

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12429259B2 (en) 2020-11-27 2025-09-30 Kyungdong Navien Co., Ltd. Evaporative condenser and air conditioner including same
WO2023166612A1 (fr) * 2022-03-02 2023-09-07 三菱電機株式会社 Échangeur de chaleur et procédé de fabrication d'échangeur de chaleur
US20240219084A1 (en) * 2022-12-29 2024-07-04 Kyungdong Navien Co., Ltd. Evaporative condenser
KR20240110353A (ko) * 2023-01-06 2024-07-15 엘지전자 주식회사 열교환기

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005009808A (ja) * 2003-06-20 2005-01-13 Shinko Kogyo Co Ltd 空気調和機の熱交換器。
JP2006284134A (ja) * 2005-04-04 2006-10-19 Matsushita Electric Ind Co Ltd 熱交換器
KR20140000987A (ko) * 2012-06-27 2014-01-06 한국교통대학교산학협력단 열 교환기 및 열 교환기 제조 방법
CN204421425U (zh) * 2014-12-10 2015-06-24 杭州三花研究院有限公司 换热装置
KR20160131577A (ko) * 2015-05-08 2016-11-16 엘지전자 주식회사 공기조화기의 열교환기

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02140166U (fr) * 1989-04-24 1990-11-22
JP2000220979A (ja) * 1999-01-29 2000-08-08 Zexel Corp 熱交換器
KR100913141B1 (ko) * 2004-09-15 2009-08-19 삼성전자주식회사 마이크로채널튜브를 이용한 증발기
JP2012225634A (ja) * 2011-04-04 2012-11-15 Denso Corp 熱交換器
KR101989096B1 (ko) * 2013-06-18 2019-06-13 엘지전자 주식회사 공기조화기의 열교환기
RU2631192C2 (ru) * 2013-07-11 2017-09-19 ЭсЭмСи КОРПОРЕЙШН Устройство с циркуляцией текучей среды, имеющей постоянную температуру
JP5741657B2 (ja) * 2013-09-11 2015-07-01 ダイキン工業株式会社 熱交換器及び空気調和機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005009808A (ja) * 2003-06-20 2005-01-13 Shinko Kogyo Co Ltd 空気調和機の熱交換器。
JP2006284134A (ja) * 2005-04-04 2006-10-19 Matsushita Electric Ind Co Ltd 熱交換器
KR20140000987A (ko) * 2012-06-27 2014-01-06 한국교통대학교산학협력단 열 교환기 및 열 교환기 제조 방법
CN204421425U (zh) * 2014-12-10 2015-06-24 杭州三花研究院有限公司 换热装置
KR20160131577A (ko) * 2015-05-08 2016-11-16 엘지전자 주식회사 공기조화기의 열교환기

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3575723A4 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111780459A (zh) * 2019-04-03 2020-10-16 浙江三花智能控制股份有限公司 换热器及换热系统
CN111780459B (zh) * 2019-04-03 2022-04-01 浙江三花智能控制股份有限公司 换热器及换热系统
EP4328534A4 (fr) * 2021-04-20 2024-06-05 Mitsubishi Electric Corporation Échangeur de chaleur

Also Published As

Publication number Publication date
EP3575723A4 (fr) 2021-04-07
KR20180087775A (ko) 2018-08-02
EP3575723A1 (fr) 2019-12-04
US20210131749A1 (en) 2021-05-06
CN110494709A (zh) 2019-11-22

Similar Documents

Publication Publication Date Title
WO2018139863A1 (fr) Échangeur de chaleur de réfrigérateur
WO2015009028A1 (fr) Échangeur thermique
WO2010131918A9 (fr) Système à évaporations multiples
WO2015016605A1 (fr) Échangeur thermique et ailette ondulée de celui-ci
US9551539B2 (en) Heat exchanger and manufacturing method thereof
WO2011108780A1 (fr) Installation frigorifique
WO2013176392A1 (fr) Vaporiseur
WO2022169202A1 (fr) Réservoir collecteur d'échangeur de chaleur
WO2020022738A1 (fr) Condenseur à refroidissement par air liquide et radiateur à basse température intégrés
WO2016204392A1 (fr) Cycle de réfrigération d'un climatiseur de véhicule
EP3322940A1 (fr) Climatiseur
WO2012002698A2 (fr) Echangeur de chaleur
WO2014204066A1 (fr) Échangeur thermique destiné à un climatiseur et climatiseur le comportant
US20230392870A1 (en) Heat exchanger for a heating, ventilation, and air-conditioning system
US11885570B2 (en) Cooling system
WO2011105662A1 (fr) Refroidisseur d'eau
CN113167512B (zh) 热交换器及制冷循环装置
WO2017111333A1 (fr) Climatiseur et procédé de fabrication pour ce dernier
WO2016010389A1 (fr) Échangeur de chaleur et pompe à chaleur pourvue de cette dernière
WO2020004884A1 (fr) Condenseur
WO2012057493A2 (fr) Climatiseur
CN105737453B (zh) 冷却装置及其使用方法
WO2019203621A1 (fr) Système de refroidissement de stockage à basse température
WO2010131877A2 (fr) Climatiseur
WO2014112814A1 (fr) Échangeur thermique, et procédé de fabrication correspondant

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18745341

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2018745341

Country of ref document: EP

Effective date: 20190826