WO2022063182A1 - 换热器和多制冷***空调机组 - Google Patents
换热器和多制冷***空调机组 Download PDFInfo
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- WO2022063182A1 WO2022063182A1 PCT/CN2021/119935 CN2021119935W WO2022063182A1 WO 2022063182 A1 WO2022063182 A1 WO 2022063182A1 CN 2021119935 W CN2021119935 W CN 2021119935W WO 2022063182 A1 WO2022063182 A1 WO 2022063182A1
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- Prior art keywords
- piece
- tube
- sub
- channel
- heat exchange
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 41
- 238000004378 air conditioning Methods 0.000 title claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 90
- 238000004891 communication Methods 0.000 claims description 11
- 239000003507 refrigerant Substances 0.000 abstract description 36
- 239000011148 porous material Substances 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000009826 distribution Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Classifications
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- 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
- 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
-
- 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
- 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
- F28F9/0202—Header boxes having their inner space divided by partitions
- F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
-
- 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
- F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
- F28F9/0224—Header boxes formed by sealing end plates into covers
-
- 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
- F28F9/0243—Header boxes having a circular cross-section
-
- 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
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/0265—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box
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- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/06—Several compression cycles arranged in parallel
-
- 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
- F25B39/02—Evaporators
- F25B39/028—Evaporators having distributing means
-
- 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
- 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
- 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
- F28F2009/0287—Other particular headers or end plates having passages for different heat exchange media
-
- 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
- F28F2009/0297—Side headers, e.g. for radiators having conduits laterally connected to common header
Definitions
- the present application relates to the technical field of heat exchange, and in particular, to a heat exchanger and a multi-refrigeration system air conditioning unit having the heat exchanger.
- Multi-refrigeration system air conditioners use multiple separate refrigerant circuits.
- parallel flow heat exchangers can be used in multiple refrigerant circuits as heat exchangers shared by multiple systems, and parallel flow heat exchangers in the system share one fan system. and a ventilation surface.
- a part of the refrigerant circuit in a multi-refrigeration system air conditioner has refrigerant flowing, and another part of the refrigerant circuit has no refrigerant flow, so the shared parallel flow heat exchanger requires different refrigeration circuits and requires multiple collectors.
- the current collecting components do not participate in heat exchange, which reduces the utilization rate of the heat exchange area on the ventilation surface and affects the heat exchange performance. There is therefore a need for improvement.
- the embodiments of the present application propose a heat exchanger, which can be applied in a multi-refrigeration air-conditioning unit to improve the utilization rate of the heat exchange area, which is beneficial to improve the heat exchange performance.
- the embodiment of the present application also proposes an air conditioning unit with multiple refrigeration systems.
- a heat exchanger includes a first tube and a second tube, the first tube including a first peripheral wall and a first main channel, a wall enclosing the first main channel including the first peripheral wall; a plurality of heat exchange tubes, the plurality of heat exchange tubes are arranged at intervals along the length direction of the first tubes, the heat exchange tubes are connected to the first tubes, and the heat exchange tubes Connecting the second tubes, the plurality of heat exchange tubes include a plurality of first heat exchange tubes and a plurality of second heat exchange tubes, the first heat exchange tubes and the second heat exchange tubes are along the first heat exchange tubes.
- the length direction of a tube is alternately arranged, and at least two of the second heat exchange tubes are arranged adjacent to the first heat exchange tube in the length direction of the first tube; the first component, the first component is located in In the first main channel, the first main channel includes a first flow channel and a second flow channel, at least part of the first component is fixedly connected to the inner wall surface of the first pipe, and the first flow channel includes a first flow channel.
- the second flow channel It includes a second channel and a plurality of second sub-channels, the second channel extends along the length direction of the first tube, the second channel is in communication with the plurality of second sub-channels, the first The sub-channels and the second sub-channels are alternately arranged along the length direction of the first tube, the first component separates the first sub-channels and the second sub-channels, the first sub-channels
- the flow channel and the second sub-flow channel are not communicated with each other, the first sub-flow channel is communicated with the first heat exchange tube, and the second sub-flow channel is communicated with the second heat exchange tube; an inlet and outlet pipe, the first inlet and outlet pipe is communicated with the first hole; the second inlet and outlet pipe, the second inlet and outlet pipe is communicated with the second hole.
- a plurality of first heat exchange tubes and a plurality of second heat exchange tubes are arranged between the first tube and the second tube, and a plurality of The first heat exchange tubes and the plurality of second heat exchange tubes are alternately arranged along the length direction of the first tubes.
- a first assembly is provided in the first tube to divide the first main channel in the first tube into a first flow channel and a second flow channel.
- the first flow channel includes a first hole and a plurality of first sub-channels, the plurality of first sub-channels are respectively connected with a plurality of first heat exchange tubes, and the second flow channel includes a second hole and a plurality of second Sub-flow channels, a plurality of second sub-flow channels are respectively connected with a plurality of second heat exchange tubes correspondingly.
- the refrigerant when the heat exchanger is applied in a multi-refrigeration air-conditioning unit, the refrigerant can only circulate in the first flow channel and the first heat exchange tube, or the refrigerant can only circulate in the second flow channel and the second heat exchange tube, or , the refrigerant circulates in the first flow channel, the first heat exchange tube, the second flow channel and the second heat exchange tube.
- the heat exchanger can improve the utilization rate of the heat exchange area, and at the same time reduce the temperature difference between the heat exchange tubes of different systems and the first tube under partial load, thereby reducing the thermal stress concentration of the system, which is beneficial to improve the use of the heat exchanger. life.
- the outer peripheral profile of the cross-section of the heat exchange tube is generally flat
- the first assembly includes a plurality of first pieces along the length of the first tube spaced apart, the first piece has a first end and a second end in the width direction of the first heat exchange tube, and the first piece has a third end in the length direction of the first heat exchange tube and the fourth end, the third end of the first piece and the fourth end of the first piece are in contact with the inner wall surface of the first tube, and the first end of the first piece is connected to the first piece
- the minimum distance between the second ends of the first piece is greater than the width of the first heat exchange tube, and the minimum distance between the first end of the first piece and the second end of the first piece is greater than the second heat exchange tube the width of the pipe;
- the first assembly further includes a first connecting piece extending along the length direction of the first pipe, the first connecting piece extending in the length direction of the first pipe One end is connected with the first end of one of the first pieces, the other end of the first connecting piece in the length direction
- the first assembly further includes a second connector extending along the length of the first tube, the second connector extending along the length of the first tube
- One end of the upper part is connected with the second end of one of the first parts, and the other end of the second connecting part in the length direction of the first pipe is connected with the second end of the other first part, so There is a second gap between the second connecting piece and the inner wall surface of the first tube, and the second hole includes the second gap.
- three first pieces adjacent in the length direction of the first tube among the plurality of first pieces are defined as a first first piece, a second first piece and a third first piece
- the first first piece and the second first piece are arranged adjacent to each other in the length direction of the first pipe
- the second first piece and the third first piece are in the first pipe are arranged adjacent to each other in the length direction
- the direction from the first first piece to the second first piece is the same as the direction from the second first piece to the third first piece
- the first connecting piece is A plurality of the first connecting pieces are arranged along the length direction of the first pipe, and one end of the first connecting pieces in the length direction of the first pipe is connected with the first connecting piece of the first piece.
- the peripheral wall surrounding the first sub-channel includes the second first piece, the third first piece, a second end connecting the second first piece and the first piece
- the second connecting piece at the second end of the first piece and the inner wall of the first pipe, the first sub-flow channel communicates with the first orifice;
- the peripheral wall surrounding the second sub-flow channel includes the first first piece, the second first piece, the first connecting piece connecting the first end of the first first piece and the first end of the second first piece and the On the inner wall of the first tube, the second sub-flow channel communicates with the second orifice.
- the first assembly further includes a third connector extending along the length of the first tube, the third connector extending along the length of the first tube There is a gap between one end of the upper part and the second end of the first first piece, and the other end of the third connecting piece in the length direction of the first pipe is connected with the second end of the second first piece,
- the peripheral wall surrounding the second sub-channel includes the first first piece, the second first piece, a first end connecting the first first piece and the second first piece.
- the first connecting piece at one end, the third connecting piece and the inner wall of the first pipe, the second sub-flow channel is communicated with the second orifice;
- the first component further includes a fourth connection
- the fourth connecting piece extends along the length direction of the first pipe, and there is a gap between one end of the fourth connecting piece in the length direction of the first pipe and the first end of the second first piece , the other end of the fourth connecting piece in the length direction of the first pipe is connected to the first end of the third first piece, and the peripheral wall surrounding the first sub-channel includes the second one piece, the third first piece, the second connecting piece connecting the second end of the second first piece and the second end of the third first piece, the fourth connecting piece and the the inner wall of the first pipe, and the first sub-flow channel communicates with the first hole.
- the dimension of the first connector in the length direction of the first tube is greater than or equal to the dimension of the second connector in the length direction of the first tube.
- the outer peripheral profile of the cross-section of the heat exchange tube is generally flat
- the first assembly includes a plurality of the first pieces, and the plurality of the first pieces are along the length of the first tube.
- the first parts are arranged at intervals in the length direction, the first part has a first end and a second end in the width direction of the first heat exchange tube, and the plurality of first parts have in the length direction of the first tube
- Two adjacent first pieces the first ends of the two first pieces are connected, the second ends of the two first pieces are spaced apart, and the connecting part of the first ends of the two first pieces
- the first piece has a third end and a fourth end in the length direction of the first heat exchange tube, and part of the third end and the fourth end of the first piece The four ends are in contact with the inner wall surface of the first pipe.
- the second ends of the two first pieces are connected, and the two first pieces are connected together.
- the first ends of the first pieces are arranged at intervals, and the connecting parts of the second ends of the two first pieces have a gap with the inner wall surface of the first pipe.
- two adjacent The connecting portions of the first ends of the first pieces are alternately arranged with the connecting portions of the second ends of two adjacent first pieces.
- three first pieces adjacent in the length direction of the first tube among the plurality of first pieces are defined as a first first piece, a second first piece and a third first piece
- the first first piece and the second first piece are arranged adjacent to each other in the length direction of the first pipe
- the second first piece and the third first piece are in the first pipe are arranged adjacent to each other in the length direction
- the direction from the first first piece to the second first piece is the same as the direction from the second first piece to the third first piece
- the first connecting piece is Multiple, one end of a first connecting piece in the length direction of the first pipe is connected with the first end of the first first piece, and the other end of the first connecting piece in the length direction of the first pipe Connected with the first end of the second first piece, there are multiple second connecting pieces, and one end of the second connecting piece in the length direction of the first pipe is connected to the first end of the first and first piece.
- the two ends are connected, the other end of the second connecting piece in the length direction of the first pipe is connected with the second end of the second first piece, and the first connecting piece is provided with a first through hole, surrounding the
- the peripheral wall forming the first sub-channel includes the one first connecting piece, the one second connecting piece, the first first piece and the second first piece, and the first through hole is in the
- the first heat exchange tube passes through the first connecting piece in the width direction, and the first through hole communicates with the first sub-flow channel and the first hole.
- one end of the first connecting piece in the length direction of the first pipe is connected to the first end of the second first piece, and the first connecting piece is in the length of the first pipe.
- the other end in the direction is connected with the first end of the third first piece, the second connecting piece is plural, and one end of the second connecting piece in the length direction of the first pipe is connected with the second connecting piece.
- the second end of the first piece is connected, the other end of the second connecting piece in the length direction of the first pipe is connected with the second end of the third first piece, and the second connecting piece is provided with a first Two through holes
- the peripheral wall surrounding the second sub-channel includes the one first connecting piece, the one second connecting piece, the second first piece and the third first piece
- the A second through hole penetrates the second connecting member in the width direction of the first heat exchange tube, and the second through hole communicates with the second sub-channel and the second hole.
- the first connecting piece and the second connecting piece are arranged at intervals in the width direction of the first heat exchange tube, and the first ends of the first pieces are connected to the first ends of the first heat exchange tubes.
- the connecting pieces are connected, and the second ends of the plurality of first pieces are connected with the second connecting pieces to define two first pieces of the plurality of first pieces that are arranged adjacent to each other in the length direction of the first pipe.
- the parts are the first first part and the second first part, and the other two first parts arranged adjacent to each other in the length direction of the first pipe are the third first part and the fourth first part, the first part
- the connecting piece is provided with a plurality of first through holes, the first through holes pass through the first connecting piece in the width direction of the first heat exchange tube, and the second connecting piece is provided with a plurality of first through holes.
- the peripheral wall constituting the first sub-channel includes part of the first connecting piece, part of the The second connecting piece, the first first piece, the second first piece and part of the first peripheral wall, the first through hole communicates with the first sub-flow channel and the first hole,
- the peripheral wall constituting the second sub-channel includes part of the first connecting piece, part of the second connecting piece, the third first piece, the fourth first piece and part of the first peripheral wall, so The second through hole communicates with the second sub-channel and the second hole, the first sub-channel is not communicated with the second hole, and the second sub-channel is not connected with the first hole. Connected.
- the first tube is a round tube
- the end surface of the third end and the end surface of the fourth end of the first piece are arc-shaped surfaces protruding toward the inner wall surface of the first tube. Both the end surface of the third end and the end surface of the fourth end of the first piece are in contact with the inner wall surface of the first tube.
- the first tube is a round tube or a square tube
- the first component further includes a first plate having a first side surface in the width direction of the first heat exchange tube and a second side surface
- the first connecting piece has a first side surface and a second side surface in the length direction of the first heat exchange tube
- the second connecting piece is in the length direction of the first heat exchange tube It has a first side and a second side
- the first side of the first board is connected with the first side of the first connector
- the second side of the first board is connected with the first side of the second connector
- the side surfaces are connected
- the first plate has a third side surface and a fourth side surface in the length direction of the first heat exchange tube
- the third side surface of the first plate is connected with the third ends of the plurality of first pieces connected
- the fourth side surface of the first plate is disposed adjacent to the inner wall surface of the first tube
- the first component further includes a second plate, and the second plate is located in the first heat exchange tube It has a first side and a
- the second pipe includes a second peripheral wall and a second main channel surrounded by the second peripheral wall
- the heat exchanger further includes a second component, a third inlet and outlet pipe, and a fourth inlet and outlet pipe
- the second component is located in the second main channel
- the second main channel includes a third flow channel and a fourth flow channel
- at least part of the second component is in contact with the inner wall surface of the second pipe
- the third channel includes a third channel and a plurality of third sub-channels
- the third channel extends along the length direction of the second tube
- the fourth channel includes a fourth channel and a plurality of fourth sub channels, the fourth channel extends along the length direction of the second tube, and the fourth channel is connected to a plurality of the fourth sub channels.
- the sub-channels communicate with each other, the third sub-channel and the fourth sub-channel are alternately arranged along the length direction of the second tube, and the second component separates the third sub-channel and the fourth sub-channel a sub-channel, the third sub-channel and the fourth sub-channel are not connected to each other, the third sub-channel is communicated with the first heat exchange tube, and the fourth sub-channel is connected to the
- the second heat exchange tube is in communication, the first channel, the first sub-flow channel, the first heat exchange tube and the third sub-flow channel are in communication, the second channel, the second sub-flow channel
- the second heat exchange tube is communicated with the fourth sub-flow channel; the third inlet and outlet tubes are communicated with the third orifice, and the fourth inlet and outlet tubes are communicated with the fourth orifice.
- the multi-refrigeration system air conditioning unit includes a plurality of refrigeration systems, and at least two refrigeration systems in the plurality of refrigeration systems share at least one heat exchanger, and the heat exchanger is the The evaporators and/or condensers of at least two refrigeration systems, the heat exchangers are the heat exchangers described in any one of the above embodiments.
- a multi-refrigeration system air conditioning unit includes multiple refrigeration systems, and at least two refrigeration systems in the plurality of refrigeration systems share at least one heat exchanger, and the heat exchanger is used for the at least two refrigeration systems.
- the evaporator and/or the condenser of the system, the heat exchanger is the heat exchanger in any one of the above embodiments.
- the heat exchanger of the heat exchanger is provided with the first tube and the second tube in parallel, and a plurality of first heat exchange tubes and a plurality of first heat exchange tubes and a plurality of first heat exchange tubes are arranged between the first tube and the second tube.
- Two heat exchange tubes, and a plurality of first heat exchange tubes and a plurality of second heat exchange tubes are alternately arranged along the length direction of the first tubes.
- a first component is arranged in the first tube to divide the first main channel in the first tube into a first flow channel and a second flow channel, and there is no communication between the first flow channel and the second flow channel.
- the first flow channel includes a first hole and a plurality of first sub-channels, the plurality of first sub-channels are respectively connected with a plurality of first heat exchange tubes, and the second flow channel includes a second hole and a plurality of second Sub-flow channels, a plurality of second sub-flow channels are respectively connected with a plurality of second heat exchange tubes correspondingly.
- the refrigerant when the heat exchanger is applied in a multi-refrigeration air-conditioning unit, the refrigerant can only circulate in the first flow channel and the first heat exchange tube, or the refrigerant can only circulate in the second flow channel and the second heat exchange tube, or , the refrigerant circulates in the first flow channel, the first heat exchange tube, the second flow channel and the second heat exchange tube.
- the heat exchanger in the multi-refrigeration system air-conditioning unit can improve the utilization rate of the heat exchange area, and at the same time reduce the temperature difference between the heat exchange tubes of different systems and the first tube under partial load, thereby reducing the thermal stress concentration of the system, which is beneficial to Increase the service life of the heat exchanger.
- FIG. 1 is a perspective view of a heat exchanger according to one embodiment of the present application.
- FIG. 2 is a cross-sectional view of an exemplary first component of the heat exchanger of FIG. 1 .
- FIG. 3 is a perspective view of the first assembly of FIG. 2 .
- FIG. 4 is a cross-sectional view of another exemplary first component of the heat exchanger of FIG. 1 .
- FIG. 5 is a cross-sectional view of yet another exemplary first assembly of the heat exchanger of FIG. 1 .
- FIG. 6 is a cross-sectional view of yet another exemplary first assembly of the heat exchanger of FIG. 1 .
- FIG. 7 is a cross-sectional view of yet another exemplary first assembly of the heat exchanger of FIG. 1 .
- FIG. 8 is a cross-sectional view of yet another exemplary first assembly of the heat exchanger of FIG. 1 .
- FIG. 9 is a perspective view of yet another exemplary first component of the heat exchanger of FIG. 1 .
- FIG. 10 is a perspective view of yet another exemplary first component of the heat exchanger of FIG. 1 .
- FIG. 11 is a cross-sectional view of an exemplary second assembly of the heat exchanger of FIG. 1 .
- FIG. 12 is a perspective view of a heat exchanger according to another embodiment of the present application.
- FIG. 13 is a perspective view of an exemplary first component of the heat exchanger of FIG. 12 .
- FIG. 14 is a perspective view of another exemplary first component of the heat exchanger of FIG. 12 .
- 15 is a schematic diagram of a multi-refrigeration system air conditioning unit according to an embodiment of the present application.
- the heat exchanger 100 the first tube 11, the first peripheral wall 111, the first main channel 112, the first flow channel 113, the first channel 1131, the first sub channel 1132, the second channel 114, the second channel 1141, The second sub-flow channel 1142, the first connection port 115, the second connection port 116, the third connection port 117, the fourth connection port 118, the second pipe 12, the second peripheral wall 121, the second main channel 122, the third flow Channel 123, third channel 1231, third sub-channel 1232, fourth channel 124, fourth channel 1234, fourth sub-channel 1242, first inlet and outlet pipe 13, first inlet and outlet pipe 14, third inlet and outlet Outlet pipe 15, fourth inlet and outlet pipe 16, heat exchange pipe 2, first heat exchange pipe 21, second heat exchange pipe 22, first assembly 3, first piece 31, first first piece 311, second One piece 312, third first piece 313, fourth first piece 314, first connecting piece 32, first gap 321, first through hole 322, second connecting piece 33, second gap 331, second through hole 332 , the third connecting piece 34 , the fourth connecting
- Multi-refrigeration system air conditioning unit 200 refrigeration system 201.
- the heat exchanger 100 includes a first tube 11 , a second tube 12 , a plurality of heat exchange tubes 2 , a first component 3 , a first inlet and outlet tube 13 and The first inlet and outlet pipes 14 .
- the first tube 11 includes a first peripheral wall 111 and a first main channel 112 surrounded by the first peripheral wall 111 . As shown in FIG. 1 and FIG. 2 , the first tube 11 and the second tube 12 are arranged side by side in the up-down direction.
- the first tube 11 includes a first peripheral wall 111 and is surrounded by the first peripheral wall 111 to form a first main channel 112 .
- the plurality of heat exchange tubes 2 are arranged at intervals along the length direction of the first tube 11 (the left-right direction as shown in FIG. 1 ).
- the heat exchange tubes 2 communicate with the first tube 11 and the second tube 12 .
- the plurality of heat exchange tubes 2 include A plurality of first heat exchange tubes 21 and a plurality of second heat exchange tubes 22, the first heat exchange tubes 21 and the second heat exchange tubes 22 are alternately arranged along the length direction of the first tube 11, at least two second heat exchange tubes 22 is arranged adjacent to the first heat exchange tube 21 in the length direction of the first tube 11 .
- the plurality of heat exchange tubes 2 include a plurality of first heat exchange tubes 21 and a plurality of second heat exchange tubes 22 . From left to right, a plurality of first heat exchange tubes 21 and a plurality of second heat exchange tubes 21 The two heat exchange tubes 22 are spaced and alternately arranged, and at least two second heat exchange tubes 22 are arranged adjacent to the first heat exchange tubes 21 in the left-right direction.
- the upper ends of the plurality of first heat exchange tubes 21 are communicated with the first tubes 11
- the lower ends of the plurality of first heat exchange tubes 21 are communicated with the second tubes 12 .
- the upper ends of the plurality of second heat exchange tubes 22 are communicated with the first tubes 11
- the lower ends of the plurality of second heat exchange tubes 22 are communicated with the second tubes 12 .
- the first component 3 is located in the first main channel 112 , the first main channel 112 includes a first flow channel 113 and a second flow channel 114 , and at least part of the first component 3 is fixedly connected to the inner wall of the first pipe 11 .
- the first peripheral wall 111 includes left and right walls.
- the first component 3 is arranged in the first main channel 112.
- the first component 3 includes an upper end surface, a lower end surface, a front side surface and a rear side surface.
- the upper end surface of the first component 3 is connected to the inner wall surface of the first peripheral wall 111.
- the lower end surface of the component 3 is connected to the inner wall surface of the first peripheral wall 111 , the left end of the first component 3 is connected to the left wall of the first peripheral wall 111 , the right end of the first component 3 is connected to the right wall of the first peripheral wall 111 , There is a gap between the front side of the first component 3 and the inner wall surface of the first peripheral wall 111 , and there is a gap between the rear side surface of the first component 3 and the inner wall surface of the first peripheral wall 111 .
- the first component 3 is arranged in the first main channel 112, and the first main channel 112 is divided into the first flow channel 113 and the second flow channel 114, the first flow channel 113 and the second flow channel 114 are not communicated with each other, and the The flow channel 113 is located between the front side of the first component 3 and the inner wall of the first peripheral wall 111 , and the second flow channel 114 is located between the rear side of the first component 3 and the inner wall of the first peripheral wall 111 .
- the first channel 113 includes a first channel 1131 and a plurality of first sub channels 1132 .
- the first channel 1131 extends along the length direction of the first tube 11 , and the first channel 1131 communicates with the plurality of first sub channels 1132 .
- the second channel 114 includes a second channel 1141 and a plurality of second sub channels 1142 .
- the second channel 1141 extends along the length direction of the first tube 11 , and the second channel 1141 communicates with the plurality of second sub channels 1142 .
- the first sub-channels 1132 and the second sub-channels 1142 are alternately arranged along the length direction of the first tube 11, and the first sub-channel 1132 and the second sub-channel 1142 are separated by the first component 3.
- the first sub-channel 1132 and the The second sub-channels 1142 are not communicated with each other, the first sub-channel 1132 is communicated with the first heat exchange tube 21 , and the second sub-channel 1142 is communicated with the second heat exchange tube 22 .
- the alternate arrangement may be the same number of first sub-channels 1132 and second sub-channels 1142 arranged along the length direction of the first tube 11, or may be different numbers of first sub-channels 1132 and second sub-channels 1142.
- the two sub-channels 1142 are arranged along the length direction of the first tube 11, and the alternate arrangement requires at least two first sub-channels to be arranged adjacent to the second sub-channels on both sides of the first tube 11 in the length direction, or At least two second sub-channels are arranged adjacent to the first sub-channels on both sides of the first tube 11 in the length direction, respectively.
- the first component 3 extends in the left-right direction in the first main channel 11 , and the longitudinal section of the first component 3 is approximately a continuously bent S-shape.
- the first component 3 divides the first channel 113 into a first channel 1131 and a plurality of first sub channels 1132 , and the first channel 1131 communicates with the plurality of first sub channels 1132 .
- the first component 3 divides the second channel 114 into a second channel 1141 and a plurality of second sub channels 1142 , and the second channel 1141 communicates with the plurality of second sub channels 1142 .
- the first sub-channels 1132 and the second sub-channels 1142 are alternately arranged in the left-right direction, and the first sub-channels 1132 and the second sub-channels 1142 are not connected to each other.
- the first sub-channels 1132 communicate with the first heat exchange tubes 21 , the number of the first sub-channels 1132 is the same as the number of the first heat exchange tubes 21 , and a plurality of first sub-channels 1132 and a plurality of first heat exchange tubes 21 one-to-one correspondence.
- the second sub-channels 1142 communicate with the second heat exchange tubes 22 , the number of the second sub-channels 1142 is the same as the number of the second heat exchange tubes 22 , and a plurality of second sub-channels 1142 and a plurality of second heat exchange tubes 22 one-to-one correspondence.
- the first inlet and outlet pipes 13 are communicated with the first orifices 1131
- the second inlet and outlet pipes 14 are communicated with the second orifices 1141 .
- the right wall of the first peripheral wall 111 is provided with a first connection port 115 and a second connection port 116 spaced in the front-rear direction, and the first connection port 115 and the second connection port 116 Both penetrate the right wall of the first peripheral wall 111 in the left-right direction.
- the right end of the first component 3 is located between the first connection port 115 and the second connection port 116 to separate the first connection port 115 and the second connection port 116 .
- the first inlet and outlet pipes 13 pass through the first connection port 115 , and the first inlet and outlet pipes 13 communicate with the first holes 1131 .
- the second inlet and outlet pipes 14 are penetrated in the second connection port 116 , and the second inlet and outlet pipes 14 communicate with the second holes 1141 .
- the heat exchanger of the embodiment of the present application by arranging the first tube and the second tube, a plurality of first heat exchange tubes and a plurality of second heat exchange tubes are arranged between the first tube and the second tube, and a plurality of The first heat exchange tubes and the plurality of second heat exchange tubes are alternately arranged along the length direction of the first tubes.
- a first assembly is arranged in the first tube, so that the first main channel in the first tube includes a first flow channel and a second flow channel, wherein the first flow channel includes a first hole and a plurality of first sub-flow channels, and a plurality of first flow channels
- a sub-flow channel is respectively connected with a plurality of first heat exchange tubes
- the second flow channel includes a second hole and a plurality of second sub-flow channels
- the plurality of second sub-flow channels are respectively corresponding to the plurality of second heat exchange tubes connected.
- the refrigerant when the heat exchanger is applied in a multi-refrigeration air-conditioning unit, the refrigerant can only circulate in the first flow channel and the first heat exchange tube, or the refrigerant can only circulate in the second flow channel and the second heat exchange tube, or , the refrigerant circulates in the first flow channel, the first heat exchange tube, the second flow channel and the second heat exchange tube.
- the heat exchanger can share the first tube for multiple systems, improve the utilization rate of the heat exchange area, and reduce the temperature difference between the heat exchange tubes of different systems and the first tube and the second tube under partial load, thereby reducing the heat of the system.
- the stress concentration is beneficial to improve the service life of the heat exchanger.
- the outer peripheral contour of the cross-section of the heat exchange tube 2 is generally flat, and the first component 3 includes a plurality of first pieces 31 , and the plurality of first pieces 31 extend along the first The pipes 11 are arranged at intervals in the longitudinal direction.
- the first piece 31 has a first end (the front end of the first piece 31 in FIG. 2 ) and a second end (as shown in FIG. 2 ) in the width direction of the first heat exchange tube 21 (the front-rear direction as shown in FIG. 1 )
- the first piece 31 has a third end in the length direction of the first heat exchange tube 21 (the up-down direction as shown in FIG. 1 ) (the first piece 31 in FIG. 3 ). the lower end) and the fourth end (the upper end of the first piece 31 in FIG. 3 ).
- the third end of the first piece 31 and the fourth end of the first piece 31 are in contact with the inner wall surface of the first pipe 11 , and the smallest distance between the first end of the first piece 31 and the second end of the first piece 31 is The distance is greater than the width of the first heat exchange tube 21 , and the minimum distance between the first end of the first piece 31 and the second end of the first piece 31 is greater than the width of the second heat exchange tube 22 .
- the first assembly 3 further includes a first connecting piece 32, the first connecting piece 32 extends along the length direction of the first pipe 11, and one end of the first connecting piece 32 in the length direction of the first pipe 11 (as shown in FIG.
- the left end of the connecting piece 32) is connected with the first end of a first piece 31, and the other end of the first connecting piece 32 in the length direction of the first pipe 11 (the right end of the first connecting piece 32 in FIG.
- the first end of a first piece 31 is connected, there is a first gap 321 between the first connecting piece 32 and the inner wall surface of the first pipe 11, the first hole 1131 includes a first gap 321, and the first hole 1131 passes through a plurality of first holes 1131.
- a gap 321 communicates with the plurality of first sub-channels 1132 .
- the outer peripheral contour of the cross section of the heat exchange tube 2 is generally flat, and the heat exchange tube 2 has a length extending in the up-down direction, a width extending in the front-rear direction, and a thickness extending in the left-right direction.
- the heat pipe 2 is a so-called flat pipe in the art.
- the first assembly 3 includes a plurality of first pieces 31 and first connecting pieces 32 .
- the plurality of first pieces 31 extend in the front-rear direction, and the plurality of first pieces 31 are arranged in the left-right direction, and the adjacent first pieces 31 are spaced from each other.
- the lower end of the first piece 31 is connected to the bottom wall of the first peripheral wall 111
- the upper end of the first piece 31 is connected to the top of the first peripheral wall 111 .
- the minimum distance from the front end of the first piece 31 to its rear end is the length of the first piece 31, and the length of the first piece 31 is greater than the width of the first heat exchange tube 21 and the width of the second heat exchange tube 22.
- the first connecting piece 32 extends in the left-right direction.
- a first gap 321 is formed between the front side surface of the first connecting member 32 and the front wall of the first peripheral wall 111 , and the first hole 1131 includes the first gap 321 .
- the first assembly 3 further includes a second connecting piece 33 , the second connecting piece 33 extends along the length direction of the first pipe 11 , and the second connecting piece 33 is located in the first pipe 11 .
- One end of the length direction of the first pipe 11 (the left end of the second connecting piece 33 in FIG. 2 ) is connected to the second end of a first piece 31, and the other end of the second connecting piece 33 in the length direction of the first pipe 11 (such as The right end of the second connecting piece 33 in FIG. 2 is connected to the second end of the other first piece 31 , there is a second gap 331 between the second connecting piece 33 and the inner wall surface of the first tube 11 , and the second channel 1141 includes a second gap 331 . Two gaps 331.
- the second connecting piece 33 extends in the left-right direction, the left end of the second connecting piece 33 is connected with the rear end of one first piece 31 , and the right end of the second connecting piece 33 is connected with the rear end of the other first piece 31 . end connected.
- three first pieces 31 adjacent in the length direction of the first tube 11 among the plurality of first pieces 31 are defined as the first first piece 311 , the second first piece 312 and the third first piece 311 .
- the first first piece 311 and the second first piece 312 are arranged adjacent to each other in the length direction of the first pipe 11
- the second first piece 312 and the third first piece 313 are adjacent to the length direction of the first pipe 11 .
- the direction of the first first piece 311 to the second first piece 312 is the same as the direction of the second first piece 312 to the third first piece 313 .
- first first pieces 31 adjacent in the left-right direction among the plurality of first pieces 31 are defined as a first first piece 311 , a second first piece 312 and a third first piece 313 .
- first first piece 311 , the second first piece 312 and the third first piece 313 are arranged in parallel along the left-right direction.
- first connectors 32 There are multiple first connectors 32 , the plurality of first connectors 32 are arranged along the length direction of the first tube 11 , and one end of the first connector 32 in the length direction of the first tube 11 (as shown in the first connection in FIG. 3 )
- the left end of the first connecting piece 32) is connected with the first end of the first first piece 311, and the other end of the first connecting piece 32 (the right end of the first connecting piece 32 in FIG. 3) is connected with the first end of the second first piece 312
- a plurality of first connecting pieces 32 are arranged at intervals along the left-right direction, the left end of the first connecting piece 32 is connected with the front end of the first first piece 311 , and the right end of the first connecting piece 32 is connected with the second first piece
- the front ends of 312 are connected together, and there is a gap between the rear end of the first first piece 311 and the rear end of the second first piece 312 .
- the plurality of second connectors 33 are arranged along the length direction of the first tube 11 , and one end of the second connector 33 in the length direction of the first tube 11 (as shown in the second connection in FIG. 3 )
- the left end of the second connecting piece 33) is connected with the second end of the second first piece 312, and the other end of the second connecting piece 33 in the length direction of the first pipe 11 (the right end of the second connecting piece 33 in FIG. 3) is connected with the first
- the second ends of the three first pieces 313 are connected together, and there is a gap between the first end of the second first piece 312 and the first end of the third first piece 313 .
- a plurality of second connecting pieces 33 are arranged at intervals along the left-right direction, the left end of the second connecting piece 33 is connected with the rear end of the second first piece 312 , and the right end of the second connecting piece 33 is connected with the third first piece 312
- the rear ends of the pieces 313 are connected, and there is a gap between the front end of the second first piece 312 and the front end of the third first piece 313 .
- the peripheral wall surrounding the first sub-channel 1132 includes a second first piece 312 , a third first piece 313 , a connection between the second end of the second first piece 312 and the third first piece 313 .
- the second connecting piece 33 at the second end is in communication with the inner wall of the first tube 11 , and the first sub-flow channel 1132 communicates with the first orifice 1131 .
- the peripheral wall surrounding the second sub-channel 1142 includes a first first piece 311 , a second first piece 312 , a first end connecting the first end of the first first piece 311 and the first end of the second first piece 312 .
- the connecting piece 32 and the inner wall of the first tube 11, and the second sub-flow channel 1142 communicates with the second orifice 1141.
- the channel enclosed by the second connecting piece 33 of the piece 313 is the first sub-flow channel 1132 , and the first sub-flow channel 1132 communicates with the first hole 1131 .
- the enclosed channel is the second sub-channel 1142 , and the second sub-channel 1142 communicates with the second hole 1141 .
- the first sub-channels 1132 and the second sub-channels 1142 are alternately arranged in sequence along the length of the first tube 11 , and the first heat exchange tube 21 and the second heat exchange tube 22 are respectively connected with the first sub-channel 1132 It is connected to the second sub-flow channel 1142, so that under partial load, the heat exchanger can make full use of the heat exchange tubes 2 and fins that do not flow refrigerant for heat exchange, which is beneficial to improve the heat exchange performance.
- the temperature difference between the first heat exchange tube 21 and the second heat exchange tube 22 at the connection with the first tube 11 is reduced, and the stress concentration is reduced.
- the first assembly 3 further includes a third connecting piece 34 , and the third connecting piece 34 extends along the length direction of the first pipe 11 .
- One end of the third connecting piece 34 in the length direction of the first pipe 11 (the left end of the third connecting piece 34 in FIG. 4 ) has a gap with the second end of the first first piece 311 .
- the other end in the length direction of a pipe 11 (the right end of the third connecting piece 34 in FIG. 4 ) is connected to the second end of the second first piece 312 .
- the peripheral wall surrounding the second sub-channel 1142 includes a first first piece 311 , a second first piece 312 , a first end connecting the first end of the first first piece 311 and the first end of the second first piece 312 .
- the connecting piece 32, the third connecting piece 34 and the inner wall of the first pipe 11, the second sub-channel 1142 communicates with the second hole 1141,
- the third connecting piece 34 extends in the left-right direction, the right end of the third connecting piece 34 is connected to the rear end of the second first piece 312 , and the left end of the third connecting piece 34 faces the end of the first and first piece 312 .
- the rear end extends, and there is a gap between the left end of the third connecting piece 34 and the rear end of the first first piece 312 .
- the channel enclosed by the rear wall is the second sub-channel 1142 , and the second sub-channel 1142 communicates with the second hole 1141 .
- the first assembly 3 also includes a fourth connector 35 extending along the length of the first tube 11 .
- One end of the fourth connecting piece 35 in the length direction of the first pipe 11 (the left end of the fourth connecting piece 35 in FIG. 4 ) has a gap with the first end of the second first piece 312 .
- the other end in the length direction of the pipe 11 (the right end of the fourth connecting piece 35 in FIG. 4 ) is connected to the first end of the third first piece 312 .
- the peripheral wall surrounding the first sub-channel 1132 includes a second first piece 312 , a third first piece 313 , a second connection connecting the second end of the second first piece 312 and the second end of the third first piece 313
- the first sub-flow channel 1132 communicates with the first orifice 1131 .
- the fourth connecting piece 35 extends in the left-right direction, the right end of the fourth connecting piece 35 is connected to the front end of the third first piece 312 , and the left end of the fourth connecting piece 35 faces the front end of the second first piece 312 . extending, and there is a gap between the left end of the fourth connecting piece 35 and the front end of the second first piece 312 .
- the second first piece 312 , the third first piece 313 , the second connecting piece 33 connecting the rear end of the second first piece 312 and the rear end of the third first piece 313 , the fourth connecting piece 35 and the first pipe 11 The channel enclosed by the front wall of the first sub-channel 1132 is communicated with the first hole 1131 .
- the dimension of the first connector 32 in the length direction of the first tube 11 is greater than or equal to the dimension of the second connector 33 in the length direction of the first tube 11 .
- the plurality of first connectors 32 arranged along the length direction of the first pipe 11 may have the same size or different dimensions along the length direction of the first pipe 11 , so that they are different from the first
- the number of the first heat exchange tubes 21 connected to the sub-channels 1132 and the number of the second heat-exchange tubes 22 connected to the second sub-channels 1142 may be the same or different.
- the number of the first heat exchange tubes 21 connected to the different first sub-channels 1132 is different, so that the first heat exchange tubes with different heat exchange amounts can be connected to each other. 21 and the second heat exchange tube 22 to meet the differentiated partial load design.
- the cooling capacity of the circuit using the first heat exchange tube 21 is greater than the cooling capacity of the circuit using the second heat exchange tube 22, which can improve the heat exchanger. overall efficiency.
- both the first connecting piece 32 and the second connecting piece 33 extend in the left-right direction, and the length of the first connecting piece 32 in the left-right direction is greater than or equal to the length of the second connecting piece 33 in the left-right direction. length.
- the plurality of first pieces 31 are arranged along the left-right direction at the same interval, so that the length of the first connecting piece 32 and the length of the second connecting piece 33 are the same, that is, the first connecting piece 32 and the second connecting piece 33 is processed from the same component, so that the design cost and production cost of the heat exchanger 100 of the embodiment of the present application can be reduced.
- the first component 3 since the first component 3 is located in the first tube 11 and connected with the first tube 11 , the strength and pressure resistance performance of the first tube 11 can be improved.
- the outer peripheral contour of the cross section of the heat exchange tube 2 is generally flat, and the first component 3 includes a plurality of first pieces 31 , and the plurality of first pieces 31 are arranged along the The length direction of a tube 11 is spaced apart.
- the first piece 31 has a first end and a second end in the width direction of the first heat exchange tube 21 , and the plurality of first pieces 31 includes two first pieces arranged adjacent to each other in the length direction of the first tube 11 . 31.
- the first ends of the two first pieces 31 are connected, the second ends of the two first pieces 31 are arranged at intervals, and the connecting part of the first ends of the two first pieces 31 is connected to the inner part of the first pipe 11.
- the wall surface has a gap
- the first piece 31 has a third end and a fourth end in the length direction of the first heat exchange tube 21 , and part of the third end and the fourth end of the first piece 31 are in contact with the inner wall surface of the first tube 11 . catch.
- a plurality of first pieces 31 are arranged at intervals along the left-right direction, and the first pieces 31 have a front end and a rear end.
- the front ends of two first pieces 31 of the plurality of first pieces 31 are connected, the rear end of one first piece 31 of the two first pieces 31 is offset to the left, and the other one of the two first pieces 31 is first
- the rear ends of the pieces 31 are offset to the right, and the two first pieces 31 are approximately V-shaped after being connected.
- the first piece 31 also has an upper end and a lower end.
- the plurality of first pieces 31 includes two first pieces 31 arranged adjacent to each other in the length direction of the first pipe 11 , the second ends of the two first pieces 31 are connected, and the two first pieces 31 are connected to each other.
- the first ends of the first pieces 31 are arranged at intervals, and the connecting parts of the second ends of the two first pieces 31 have a gap with the inner wall surface of the first pipe 11 .
- two adjacent The connecting portions of the first ends of one piece 31 are alternately arranged with the connecting portions of the second ends of two adjacent first pieces 31 .
- a plurality of first pieces 31 are arranged at intervals along the left-right direction, and the first pieces 31 have a front end and a rear end.
- the rear ends of two first pieces 31 of the plurality of first pieces 31 are connected, the front end of one first piece 31 of the two first pieces 31 is offset to the left, and the other one of the two first pieces 31 is first
- the front ends of the pieces 31 are offset to the right, and the two first pieces 31 are approximately V-shaped after being connected.
- the connecting portions of the front ends of two adjacent first pieces 31 and the connecting portions of the rear ends of two adjacent first pieces 31 are alternately arranged.
- the first component 3 further includes a plurality of connection parts 36 , the plurality of connection parts 36 are arranged at intervals along the left-right direction, and a part of the connection parts of the plurality of connection parts 36 36 connects the front ends of two adjacent first pieces 31, so that the connection between the front ends of the two adjacent first pieces 31 is more stable, and the distance between the front ends of the first piece 31 and the second heat exchange tube 22 is made increase, which is beneficial to the circulation of refrigerant.
- Another part of the connecting parts 36 among the plurality of connecting parts 36 connects the rear ends of the two adjacent first pieces 31 , so that the connection between the rear ends of the two adjacent first pieces 31 is more stable, and the second The distance between the one piece 31 and the rear end of the first heat exchange tube 21 is increased, which is beneficial to the circulation of the refrigerant.
- the first sub-channel 1132 is connected to two or more first heat exchange tubes 21 , that is, one first sub-channel 1132 is in the first sub-channel 1132
- the size of one tube 11 in the length direction is larger than the size of one second sub-flow channel 1142 in the length direction of the first tube 11 . Therefore, the first heat exchange tube 21 and the second heat exchange tube 22 of the heat exchanger 100 may be different
- the proportional arrangement of 100 achieves differential matching of partial loads in the heat exchanger 100, so that more refrigerants circulate in the first flow channel 113, and the heat exchange efficiency between the first flow channel 113 side and the first heat exchange tube 21 is improved.
- three first pieces 31 adjacent to each other in the length direction of the first tube 11 are defined as the first first piece 311 , the second first piece 31 , the second first piece 31 , and the second piece 312 and third first piece 313.
- the first first piece 311 and the second first piece 312 are arranged adjacent to each other in the length direction of the first pipe 11
- the second first piece 312 and the third first piece 313 are adjacent to the length direction of the first pipe 11 .
- the direction of the first first piece 311 to the second first piece 312 is the same as the direction of the second first piece 312 to the third first piece 313 .
- first connectors 32 There are multiple first connectors 32 , and one end of the first connector 32 in the length direction of the first pipe 11 (the left end of the first connector 32 in FIG. 9 ) is connected to the first end of the first first component 311 , the other end of the first connecting piece 32 in the length direction of the first pipe 11 (the right end of the first connecting piece 32 in FIG. 9 ) is connected to the first end of the second first piece 312 .
- second connectors 33 There are multiple second connectors 33 , and one end of the second connector 33 in the length direction of the first pipe 11 (the left end of the second connector 33 in FIG. 9 ) is connected to the second end of the first first component 311 , the other end of the second connecting piece 33 in the length direction of the first pipe 11 (the right end of the second connecting piece 33 in FIG.
- the first connecting member 32 is provided with a first through hole 322, and the peripheral wall surrounding the first sub-channel 1132 includes a first connecting member 32, a second connecting member 33, a first first member 311 and a second first connecting member 32.
- the first through hole 322 penetrates the first connecting piece 32 in the width direction of the first heat exchange tube 21 , and the first through hole 322 communicates with the first sub-channel 1132 and the first hole 1131 .
- the plurality of first pieces 31 are arranged at intervals along the left-right direction, and three adjacent first pieces 31 are defined as the first first piece 311 , the second first piece 312 and the third first piece 313 respectively.
- the first connecting piece 32 extends in the left-right direction, the left end of the first connecting piece 32 is connected with the front end of the first first piece 311 , and the right end of the first connecting piece 32 is connected with the front end of the second first piece 312 .
- the first connecting member 32 is provided with a first through hole 322 , the first through hole 322 penetrates the first connecting member 32 in the front-rear direction, and the first through hole 322 communicates with the first sub-channel 1132 and the first hole 1131 .
- the second connecting piece 33 extends in the left-right direction, the left end of the second connecting piece 33 is connected with the rear end of the first first piece 311 , and the right end of the second connecting piece 33 is connected with the rear end of the second first piece 312 .
- the peripheral wall surrounding the first sub-channel 1132 includes a first connecting piece 32 , a second connecting piece 33 , a first first piece 311 and a second first piece 312 .
- one end of the first connecting piece 32 in the length direction of the first pipe 11 (the left end of the first connecting piece 32 in FIG. 9 ) is connected with the first end of the second first piece 312 .
- the other end of a connecting piece 32 in the length direction of the first pipe 11 (the right end of the first connecting piece 32 in FIG. 9 ) is connected to the first end of the third first piece 313 .
- There are multiple second connectors 33 and one end of the second connector 33 in the length direction of the first pipe 11 (the left end of the second connector 33 in FIG. 9 ) is connected to the second end of the second first component 312 , the other end of the second connecting piece 33 in the length direction of the first pipe 11 (the right end of the second connecting piece 33 in FIG.
- the second connecting member 33 is provided with a second through hole 332, and the peripheral wall surrounding the second sub-channel 1142 includes a first connecting member 32, a second connecting member 33, a second first member 312, and a third first connecting member 312.
- the second through hole 332 penetrates the second connecting piece 33 in the width direction of the first heat exchange tube 21 , and the second through hole 332 communicates with the second sub-channel 1142 and the second hole 1141 .
- first connectors 32 there are a plurality of first connectors 32 , some of the first connectors 32 of the plurality of first connectors 32 are provided with first through holes 322 , and another part of the plurality of first connectors 32 is provided with a first through hole 322 .
- the first connecting member 32 is not provided with the first through hole 322 .
- the left end of a first connecting piece 32 is connected with the front end of the second first piece 312, the right end of the first connecting piece 32 is connected with the front end of the third first piece 313, and the first connecting piece 32 is not provided with The first through hole 322 .
- the left end of the second connecting piece 33 is connected with the rear end of the second first piece 312
- the right end of the second connecting piece 33 is connected with the rear end of the third first piece 313
- the second connecting member 33 is provided with a second through hole 332.
- the second through hole 332 penetrates the second connecting member 33 in the front-rear direction.
- the peripheral walls of the two sub-channels 1142 include a first connecting piece 32 , a second connecting piece 33 , a second first piece 312 and a third first piece 313 .
- the first channel 1131 and the first sub-channel 1132 and the second channel 1141 and the second sub-channel 1142 are connected by through holes on the first connector 32 or the second connector 33 .
- the number of the first sub-flow channel 1132 and the second sub-flow channel 1142 can be designed and adjusted according to the application situation, so as to improve the heat exchange efficiency of the heat exchanger.
- the number of the first through holes 321 provided on one first connecting member 32 may be one or multiple.
- the heat exchanger is used as a shared evaporator in the multi-system circuit, and the refrigerant in the two-phase flow state enters the first pipe 11, and the size and number of the through holes on the first connecting piece 32 and the second connecting piece 33 are adjusted. Designed to adjust the pressure and flow of the refrigerant flowing through, so as to achieve uniform distribution of refrigerant and reduce gas-liquid separation.
- the through holes on the first connecting member 32 at the refrigerant inlet of the first hole 1131 may have a larger flow cross-sectional area or a larger number, and the through holes on the first connecting member 32 at the refrigerant inlet of the first hole 1131 may have a larger flow cross-sectional area.
- the through holes on the first connecting piece 32 at the refrigerant inlet of a hole 1131 can have a smaller flow area or a smaller number, so that the refrigerant distribution in the length direction of the first pipe 11 can be adjusted.
- the first connecting pieces 32 and the second connecting pieces 33 are arranged at intervals in the width direction of the first heat exchange tube 21 , and the plurality of first pieces 31 are The first end is connected with the first connecting piece 32 , and the second ends of the plurality of first pieces 31 are connected with the second connecting piece 33 .
- Two first pieces 31 arranged adjacent to each other in the length direction of the first pipe 11 among the plurality of first pieces 31 are defined as the first first piece 311 and the second first piece 312 , which are opposite to each other in the length direction of the first pipe 11 .
- the other two first pieces 31 arranged adjacently are the third first piece 313 and the fourth first piece 314 .
- the first connecting member 32 is provided with a plurality of first through holes 322 , the first through holes 322 penetrate through the first connecting member 32 in the width direction of the first heat exchange tube 21 , and the second connecting member 33 is provided with a plurality of first through holes 322 .
- Two through holes 332 , the second through holes 332 penetrate through the second connecting member 33 in the width direction of the first heat exchange tube 21 .
- the peripheral wall constituting the first sub-channel 1132 includes part of the first connecting piece 32 , part of the second connecting piece 33 , the first first piece 311 , the second first piece 312 and part of the first peripheral wall 111 , and the first through hole 322 Connecting the first sub-channel 1132 and the first hole 1131 , the peripheral wall constituting the second sub-channel 1142 includes part of the first connecting piece 32 , part of the second connecting piece 33 , the third first piece 313 , and the fourth first piece 314 and part of the first peripheral wall 111, the second through hole 332 communicates with the second sub-channel 1142 and the second channel 1141, the first sub-channel 1132 is not connected with the second channel 332, and the second sub-channel 1142 is connected with the first channel 322 is not connected.
- the first connecting piece 32 and the second connecting piece 33 are arranged side by side in the front-rear direction, the plurality of first pieces 31 are arranged side by side in the left-right direction, and the front ends of the plurality of first pieces 31 are respectively connected to the first pieces 31 .
- the pieces 32 are connected, and the rear ends of the plurality of first pieces 31 are respectively connected with the second connecting pieces 33 .
- Two first pieces 31 arranged adjacently in the left-right direction among the plurality of first pieces 31 are defined as the first first piece 311 and the second first piece 312 , and the other two first pieces 31 arranged adjacently in the left-right direction
- the pieces 31 are the third first piece 313 and the fourth first piece 314 .
- the first connecting member 32 is provided with a plurality of first through holes 322 , the first through holes 322 penetrate the first connecting member 32 in the front-rear direction, and the first through holes 322 communicate with the first sub-channel 1132 and the first hole 1131 .
- the second connecting member 33 is provided with a plurality of second through holes 332, the second through holes 332 penetrate the second connecting member 33 in the front-rear direction, and the second through holes 332 communicate with the second sub-channel 1142 and the second hole 1141.
- the first sub-channel 1132 is not connected with the second channel 332
- the second sub-channel 1142 is not connected with the first channel 322 .
- the peripheral wall constituting the first sub-channel 1132 includes part of the first connecting piece 32 , part of the second connecting piece 33 , the first first piece 311 , the second first piece 312 and part of the first peripheral wall 111 , forming the second sub-flow
- the peripheral wall of the channel 1142 includes part of the first connecting piece 32 , part of the second connecting piece 33 , third first piece 313 , fourth first piece 314 and part of the first peripheral wall 111 .
- the first connecting piece 32 and the second connecting piece 33 are arranged along the length of the first pipe 11 , which is beneficial to improve the strength of the first pipe 11 .
- the surface of the first connecting member 32 has protrusions, so as to adjust the pressure and flow of the refrigerant in the first channel 1131 and increase the refrigerant distribution efficiency.
- the first tube 11 is a round tube, and the end face of the third end and the end face of the fourth end of the first piece 31 are arc-shaped surfaces protruding toward the inner wall surface of the first tube 11 . Both the end surface of the third end and the end surface of the fourth end are in contact with the inner wall surface of the first pipe 11 .
- the first tube 11 is a circular tube
- the upper and lower end surfaces of the first piece 31 are arc-shaped surfaces
- the upper and lower end surfaces of the first piece 31 are connected to the first peripheral wall 111 connected to the inner walls.
- the first tube 11 is a round tube or a square tube
- the first component 31 further includes a first plate 37
- the first plate 37 has a first side surface in the width direction of the first heat exchange tube 21 (as shown in FIG. The front side of the first plate 37 in Fig. 13) and the second side (as shown in the rear side of the first plate 37 in Fig. 13 )
- the first connector 32 has a first side in the length direction of the first heat exchange tube 21 (such as The upper side of the first connecting piece 32 in FIG. 13 ) and the second side (the lower side of the first connecting piece 32 in FIG. 13 )
- the second connecting piece 33 has a first A side surface (the upper side surface of the second connecting piece 33 as shown in FIG.
- the first side surface of the first plate 37 is connected to the first side surface of the first connecting member 32
- the second side surface of the first plate 37 is connected to the first side surface of the second connecting member 33 .
- the first plate 37 has a third side (the lower side of the first plate 37 in FIG. 13 ) and a fourth side (the upper side of the first plate 37 in FIG. 13 ) in the length direction of the first heat exchange tube 21 ,
- the third side surface of the first plate 37 is connected to the third ends of the first pieces 31
- the fourth side surface of the first plate 37 is disposed adjacent to the inner wall surface of the first tube 11 .
- the first component 3 further includes a second plate 38
- the second plate 38 has a first side (the front side of the second plate 38 in FIG. 13) and a second side in the width direction of the first heat exchange tube 21.
- Side (the rear side of the second board 38 in FIG. 13 )
- the first side of the second board 38 is connected to the second side of the first connecting piece 32
- the second side of the second board 38 is connected to the second side of the second connecting piece 33 .
- the second side is connected.
- the second plate 38 has a third side (the lower side of the second plate 38 in FIG. 13 ) and a fourth side (the upper side of the second plate 38 in FIG.
- the fourth side surface of the second plate 38 is connected to the fourth ends of the first pieces 31 , and the third side surface of the second plate 38 is disposed adjacent to the inner wall surface of the first tube 11 .
- the first assembly 31 further includes a first plate 37 and a second plate 38, and the first plate 37 and the second plate 38 are spaced apart in the up-down direction.
- the first plate 37 includes an upper side, a lower side, a front side and a rear side
- the second plate 38 includes an upper side, a lower side, a front side and a rear side
- the first connecting piece 32 includes an upper side and a lower side
- the second connecting piece 33 includes an upper side and a lower side.
- the front side of the first board 37 is connected to the upper side of the first connecting piece 32
- the rear side of the first board 37 is connected to the upper side of the second connecting piece 33
- the front side of the second board 38 is connected to the upper side of the first connecting piece 32 .
- the lower side is connected
- the rear side of the second board 38 is connected with the lower side of the second connector 33
- the upper side of the first board 37 is connected with the inner wall of the first peripheral wall 111
- the lower side of the second board 38 is connected with the first
- the inner wall surfaces of the peripheral wall 111 are connected to each other.
- the plurality of first pieces 31 are arranged at intervals along the left-right direction in the area enclosed by the first plate 37 , the second plate 38 , the first connecting piece 32 and the second connecting piece 33 .
- the lower sides of a plate 37 are connected to each other, and the lower ends of the first pieces 31 are connected to the upper sides of the second plate 38 .
- the present application is not limited to this.
- the first component 3 of the heat exchanger 100 in the embodiment of the present application only includes the first plate 37 , or the first component 3 may only include the first plate 37 .
- a second plate 38 is included.
- the first plate 37 and the second plate 38 are beneficial to improve the strength of the first tube 11 , or under certain strength requirements, the wall thickness of the first tube 11 can be reduced, thereby reducing the difficulty of processing.
- the first plate 37 and the second plate 38 can reduce the inner volume of the refrigerant contained in the first tube 11, improve the performance of the heat exchanger, and reduce the charging amount of the refrigerant.
- the second tube 12 includes a second peripheral wall 121 and a second main channel 122 surrounded by the second peripheral wall 121 .
- the heat exchanger 100 also includes a second assembly 4 , a third inlet and outlet pipe 15 and a fourth inlet and outlet pipe 16 .
- the second component 4 is located in the second main channel 122 , the second main channel 122 includes a third flow channel 123 and a fourth flow channel 124 , and at least part of the second component 4 is in contact with the inner wall of the second pipe 12 .
- the third channel 123 includes a third channel 1231 and a plurality of third sub channels 1232.
- the third channel 1231 extends along the length direction of the second tube 12 (the left-right direction as shown in FIG. 1 ).
- the third channel 1231 is connected to the The plurality of third sub-channels 1232 communicate with each other.
- the fourth channel 124 includes a fourth channel 1234 and a plurality of fourth sub channels 1242 , the fourth channel 124 extends along the length direction of the second tube 12 , and the fourth channel 1241 communicates with the plurality of fourth sub channels 1242 .
- the third sub-flow channel 1232 and the fourth sub-flow channel 1242 are alternately arranged along the length direction of the second tube 12 , the second component 4 separates the third sub-flow channel 1232 and the fourth sub-flow channel 1242 , the third sub-flow channel 1232 and the The fourth sub-channels 1242 are not communicated with each other, the third sub-channels 1232 are communicated with the first heat exchange tubes 21 , and the fourth sub-channels 1242 are communicated with the second heat exchange tubes 22 .
- the first channel 1131, the first sub-channel 1132, the first heat exchange tube 21 and the third sub-channel 1232 are in communication, and the second channel 1141, the second sub-channel 1142, the second heat-exchange tube 22 and the fourth sub-channel Road 1242 is connected.
- the third inlet and outlet pipes 15 communicate with the third orifice 1231
- the fourth inlet and outlet pipes 16 communicate with the fourth orifice 1241 .
- the heat exchanger 100 further includes a second component 4 , a third inlet and outlet pipe 15 and a fourth inlet and outlet pipe 16 .
- the first pipe 11 and the second pipe 12 are arranged side by side in the up-down direction and extend in the left-right direction.
- the second pipe 12 includes a second peripheral wall 121 and a second main channel 122 surrounded by the second peripheral wall 121 .
- the second peripheral wall 121 includes a left wall and a right wall.
- the second component 4 is disposed in the second main channel 122.
- the second component 4 includes an upper end surface, a lower end surface, a front side surface and a rear side surface.
- the inner wall surface of the second peripheral wall 121 is connected, the lower end surface of the second component 4 is connected to the inner wall surface of the second peripheral wall 121, there is a gap between the front side surface of the second component 4 and the inner wall surface of the second peripheral wall 121, the second component 4 There is a gap between the rear side and the inner wall of the second peripheral wall 121 , the left end of the second component 4 is connected to the left wall of the second peripheral wall, and the right end of the second component 4 is connected to the right wall of the second peripheral wall 121 .
- the second assembly 4 divides the second main channel 122 into a third flow channel 123 and a fourth flow channel 124 .
- the second component 4 extends in the left-right direction in the second main channel 121 , and the longitudinal section of the second component 4 is approximately a continuously bent S-shape, thus, the second component 4 divides the third flow channel 123 A third channel 1231 and a plurality of third sub-channels 1232 are formed, and the third channel 1231 communicates with the plurality of third sub-channels 1232 .
- the second component 4 divides the fourth channel 124 into a fourth channel 1241 and a plurality of fourth sub channels 1242 , and the fourth channel 1241 communicates with the plurality of fourth sub channels 1242 .
- the third sub-channel 1232 and the fourth sub-channel 1242 are alternately arranged in the left-right direction, and the third sub-channel 1232 and the fourth sub-channel 1242 are not connected to each other, and the third sub-channel 1232 exchanges heat with the first sub-channel 1232
- the tubes 21 communicate with each other, and the fourth sub-flow channel 1242 communicates with the second heat exchange tubes 22 .
- the upper end of the first heat exchange tube 21 is communicated with the first sub-flow channel 1132
- the lower end of the first heat exchange tube 21 is communicated with the third sub-channel 1232
- the upper end of the second heat exchange tube 22 is communicated with the second sub-flow channel
- the channel 1142 communicates with each other
- the lower end of the second heat exchange tube 22 communicates with the fourth sub-flow channel 1242 .
- the right wall of the second peripheral wall 121 is provided with a third connection port 117 and a fourth connection port 118 spaced in the front-rear direction, and both the third connection port 117 and the fourth connection port 118 penetrate the second peripheral wall 121 in the left-right direction. right wall.
- the right end of the second component 4 is located between the third connection port 117 and the fourth connection port 118 to block the third connection port 117 and the fourth connection port 118 .
- the third inlet and outlet pipes 15 are penetrated in the third connection port 117 , and the third inlet and outlet pipes 15 communicate with the third hole 1231 .
- the fourth inlet and outlet pipes 16 are penetrated in the fourth connection port 118 , and the fourth inlet and outlet pipes 16 are communicated with the fourth holes 1241 . Two refrigerant passages isolated from each other are thus formed.
- the present application is not limited to this, and in some optional embodiments, the structures of the first component 3 and the second component 4 in the embodiments of the present application are the same, and the first component 3 and the second component 4 correspond to each other are arranged in the first tube 11 and the second tube 12 .
- the multi-refrigeration system air conditioning unit 200 includes multiple refrigeration systems 201 , and at least two refrigeration systems 201 of the multiple refrigeration systems 201 share at least one heat exchanger 100 , and the heat exchanger 100 Being the evaporators and/or condensers of at least two refrigeration systems 201 , the heat exchanger 100 is the heat exchanger 100 in any embodiment of the present application.
- An air conditioning unit with multiple refrigeration systems includes a plurality of refrigeration systems, and at least two refrigeration systems in the plurality of refrigeration systems share at least one heat exchanger in any one of the above-mentioned embodiments, and the heat exchanger
- a plurality of first heat exchange tubes and a plurality of second heat exchange tubes are arranged between the first tube and the second tube, and a plurality of first heat exchange tubes and a plurality of The second heat exchange tubes are alternately arranged along the length direction of the first tubes.
- a first component is arranged in the first tube to divide the first main channel in the first tube into a first flow channel and a second flow channel, and there is no communication between the first flow channel and the second flow channel.
- the first flow channel includes a first hole and a plurality of first sub-channels, the plurality of first sub-channels are respectively connected with a plurality of first heat exchange tubes, and the second flow channel includes a second hole and a plurality of second Sub-flow channels, a plurality of second sub-flow channels are respectively connected with a plurality of second heat exchange tubes correspondingly.
- the refrigerant when the heat exchanger is applied in a multi-refrigeration air-conditioning unit, the refrigerant can only circulate in the first flow channel and the first heat exchange tube, or the refrigerant can only circulate in the second flow channel and the second heat exchange tube, or , the refrigerant circulates in the first flow channel, the first heat exchange tube, the second flow channel and the second heat exchange tube.
- the heat exchanger can improve the utilization rate of the heat exchange area, which is beneficial to improve the performance of the system.
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Abstract
Description
Claims (16)
- 一种换热器,其特征在于,包括:第一管和第二管,所述第一管包括第一周壁和第一主通道,围成所述第一主通道的壁包括所述第一周壁;多个换热管,多个所述换热管沿所述第一管的长度方向间隔布置,所述换热管连接所述第一管,所述换热管连接所述第二管,多个所述换热管包括多个第一换热管和多个第二换热管,所述第一换热管和所述第二换热管沿所述第一管的长度方向交替布置,至少两个所述第二换热管在所述第一管的长度方向上与所述第一换热管相邻布置;第一组件,所述第一组件位于所述第一主通道内,所述第一主通道包括第一流道和第二流道,至少部分所述第一组件与所述第一管的内壁面固定连接,所述第一流道包括第一孔道和多个第一子流道,所述第一孔道沿所述第一管的长度方向延伸,所述第一孔道与多个所述第一子流道连通,所述第二流道包括第二孔道和多个第二子流道,所述第二孔道沿所述第一管的长度方向延伸,所述第二孔道与多个所述第二子流道连通,所述第一子流道和所述第二子流道沿所述第一管的长度方向交替布置,所述第一组件分隔所述第一子流道和所述第二子流道,所述第一子流道和所述第二子流道互不连通,所述第一子流道与所述第一换热管连通,所述第二子流道与所述第二换热管连通;第一进出口管,所述第一进出口管与所述第一孔道连通;第二进出口管,所述第二进出口管与所述第二孔道连通。
- 根据权利要求1所述的换热器,其特征在于,所述换热管的横截面的外周轮廓大体为扁平状,所述第一组件包括多个第一件,多个所述第一件沿所述第一管的长度方向间隔设置,所述第一件在所述第一换热管的宽度方向上具有第一端和第二端,所述第一件在所述第一换热管的长度方向上具有第三端和第四端,所述第一件的第三端和所述第一件的第四端与所述第一管的内壁面抵接,所述第一件的第一端到该第一件的第二端之间的最小距离大于所述第一换热管的宽度,所述第一件的第一端到该第一件的第二端之间的最小距离大于所述第二换热管的宽度;所述第一组件还包括第一连接件,所述第一连接件沿所述第一管的长度方向延伸,所述第一连接件在所述第一管的长度方向上的一端与一个所述第一件的第一端相连,所述第一连接件在所述第一管的长度方向上的另一端与另一个所述第一件的第一端相连,所述第一连接件与所述第一管的内壁面之间具有第一间隙,所述第一孔道包括所述第一间隙。
- 根据权利要求2所述的换热器,其特征在于,所述第一组件还包括第二连接件,所述第二连接件沿所述第一管的长度方向延伸,所述第二连接件在所述第一管的长度方向上的一端与一个所述第一件的第二端相连,所述第二连接件在所述第一管的长度方向上的另 一端与另一个所述第一件的第二端相连,所述第二连接件与所述第一管的内壁面之间具有第二间隙,所述第二孔道包括所述第二间隙。
- 根据权利要求3所述的换热器,其特征在于,定义多个所述第一件中在第一管的长度方向上相邻的三个第一件为第一第一件、第二第一件和第三第一件,所述第一第一件和所述第二第一件在所述第一管的长度方向上相邻布置,所述第二第一件和所述第三第一件在所述第一管的长度方向上相邻布置,所述第一第一件到所述第二第一件的方向与所述第二第一件到第三第一件的方向相同,所述第一连接件为多个,多个所述第一连接件沿所述第一管的长度方向布置,所述第一连接件在所述第一管的长度方向上的一端与所述第一第一件的第一端相连,所述第一连接件的另一端与所述第二第一件的第一端相连,所述第一第一件的第二端和所述第二第一件的第二端之间具有间隙;所述第二连接件为多个,多个所述第二连接件沿所述第一管的长度方向布置,所述第二连接件在所述第一管的长度方向上的一端与所述第二第一件的第二端相连,所述第二连接件在所述第一管的长度方向上的另一端与所述第三第一件的第二端相连,所述第二第一件的第一端和所述第三第一件的第一端之间具有间隙。
- 根据权利要求4所述的换热器,其特征在于,围成所述第一子流道的周壁包括所述第二第一件、所述第三第一件、连接所述第二第一件的第二端和所述第三第一件的第二端的所述第二连接件和所述第一管的内壁,所述第一子流道与所述第一孔道连通;围成所述第二子流道的周壁包括所述第一第一件、所述第二第一件、连接所述第一第一件的第一端和所述第二第一件的第一端的所述第一连接件和所述第一管的内壁,所述第二子流道与所述第二孔道连通。
- 根据权利要求4所述的换热器,其特征在于,所述第一组件还包括第三连接件,所述第三连接件沿所述第一管的长度方向延伸,所述第三连接件在所述第一管的长度方向上的一端与所述第一第一件的第二端有间隙,所述第三连接件在所述第一管长度方向上的另一端与所述第二第一件的第二端相连,围成所述第二子流道的周壁包括所述第一第一件、所述第二第一件、连接所述第一第一件的第一端和所述第二第一件的第一端的所述第一连接件、所述第三连接件和所述第一管的内壁,所述第二子流道与所述第二孔道连通;所述第一组件还包括第四连接件,所述第四连接件沿所述第一管的长度方向延伸,所述第四连接件在所述第一管长度方向上的一端与所述第二第一件的第一端有间隙,所述第四连接件在所述第一管长度方向上的另一端与所述第三第一件的第一端相连,围成所述第一子流道的周壁包括所述第二第一件、所述第三第一件、连接所述第二第一件的第二端和所述第三第一件的第二端的所述第二连接件、所述第四连接件和所述第一管的内壁,所述第一子流道与所述第一孔道连通。
- 根据权利要求4-6中任一项所述的换热器,其特征在于,所述第一连接件在所述第一管的长度方向上的尺寸大于或等于所述第二连接件在所述第一管的长度方向上的尺寸。
- 根据权利要求1所述的换热器,其特征在于,所述换热管的横截面的外周轮廓大体为扁平状,所述第一组件包括多个所述第一件,多个所述第一件沿所述第一管的长度方向间隔设置,所述第一件在所述第一换热管的宽度方向上具有第一端和第二端,多个所述第一件中具有在所述第一管的长度方向上相邻设置的两个所述第一件,该两个第一件的第一端相连,该两个第一件的第二端间隔设置,该两个第一件的第一端的连接部与所述第一管的内壁面具有间隙,所述第一件在所述第一换热管的长度方向上具有第三端和第四端,部分所述第一件的第三端和第四端与所述第一管的内壁面抵接。
- 根据权利要求8所述的换热器,其特征在于,多个所述第一件中具有在第一管的长度方向上相邻设置的两个所述第一件,该两个第一件的第二端相连,该两个第一件的第一端间隔设置,该两个第一件的第二端的连接部与所述第一管的内壁面具有间隙,在所述第一管的长度方向上,相邻两个所述第一件的第一端的连接部与相邻两个所述第一件的第二端的连接部交替布置。
- 根据权利要求3所述的换热器,其特征在于,定义多个所述第一件中在第一管的长度方向上相邻的三个第一件为第一第一件、第二第一件和第三第一件,所述第一第一件和所述第二第一件在所述第一管的长度方向上相邻布置,所述第二第一件和所述第三第一件在所述第一管的长度方向上相邻布置,所述第一第一件到所述第二第一件的方向与所述第二第一件到第三第一件的方向相同,所述第一连接件为多个,一个第一连接件在所述第一管长度方向上的一端与所述第一第一件的第一端相连,该第一连接件在所述第一管长度方向上的另一端与所述第二第一件的第一端相连,所述第二连接件为多个,一个第二连接件在所述第一管长度方向上的一端与所述第一第一件的第二端相连,该第二连接件在所述第一管长度方向上的另一端与所述第二第一件的第二端相连,所述第一连接件上设有第一通孔,围成所述第一子流道的周壁包括所述一个第一连接件、所述一个第二连接件、所述第一第一件和所述第二第一件,所述第一通孔在所述第一换热管的宽度方向上贯穿所述第一连接件,所述第一通孔连通所述第一子流道和所述第一孔道。
- 根据权利要求10所述的换热器,其特征在于,所述一个第一连接件在所述第一管长度方向上的一端与所述第二第一件的第一端相连,该第一连接件在所述第一管长度方向上的另一端与所述第三第一件的第一端相连,所述第二连接件为多个,一个第二连接件在所述第一管长度方向上的一端与所述第二第一件的第二端相连,该第二连接件在所述第一管长度方向上的另一端与所述第三第一件的第二端相连,所述第二连接件上设有第二通孔,围成所述第二子流道的周壁包括所述一个第一连接件、所述一个第二连接件、所述第二第 一件和所述第三第一件,所述第二通孔在所述第一换热管的宽度方向上贯穿所述第二连接件,所述第二通孔连通所述第二子流道和所述第二孔道。
- 根据权利要求3所述的换热器,其特征在于,所述第一连接件和所述第二连接件在所述第一换热管的宽度方向上间隔布置,多个所述第一件的第一端与所述第一连接件相连,多个所述第一件的第二端与所述第二连接件相连,定义所述多个第一件中在所述第一管长度方向上相邻布置的两个第一件为第一第一件和第二第一件,在所述第一管长度方向上相邻布置的另两个第一件为第三第一件和第四第一件,所述第一连接件上设有多个第一通孔,所述第一通孔在所述第一换热管的宽度方向上贯穿所述第一连接件,所述第二连接件上设有多个第二通孔,所述第二通孔在所述第一换热管的宽度方向上贯穿所述第二连接件,构成第一子流道的周壁包括部分所述第一连接件、部分所述第二连接件、所述第一第一件、所述第二第一件和部分所述第一周壁,所述第一通孔连通所述第一子流道和所述第一孔道,构成第二子流道的周壁包括部分所述第一连接件、部分所述第二连接件、所述第三第一件、所述第四第一件和部分所述第一周壁,所述第二通孔连通所述第二子流道和所述第二孔道,所述第一子流道与所述第二孔道不连通,所述第二子流道与所述第一孔道不连通。
- 根据权利要求1-12中任一项所述的换热器,其特征在于,所述第一管为圆管,所述第一件的第三端的端面和第四端的端面均为朝向所述第一管的内壁面凸出的弧形面,所述第一件的第三端的端面和第四端的端面均与所述第一管的内壁面相接。
- 根据权利要求1-13中任一项所述的换热器,其特征在于,所述第一管为圆管或方管,所述第一组件还包括第一板,所述第一板在所述第一换热管的宽度方向上具有第一侧面和第二侧面,所述第一连接件在所述第一换热管的长度方向上具有第一侧面和第二侧面,所述第二连接件在所述第一换热管的长度方向上具有第一侧面和第二侧面,所述第一板的第一侧面与所述第一连接件的第一侧面相连,所述第一板的第二侧面与所述第二连接件的第一侧面相连;所述第一板在所述第一换热管的长度方向上具有第三侧面和第四侧面,所述第一板的第三侧面与多个所述第一件的第三端相连,所述第一板的第四侧面邻近所述第一管的内壁面设置;和/或,所述第一组件还包括第二板,所述第二板在所述第一换热管的宽度方向上具有第一侧面和第二侧面,所述第二板的第一侧面与所述第一连接件的第二侧面相连,所述第二板的第二侧面与所述第二连接件的第二侧面相连;所述第二板在所述第一换热管的长度方向上具有第三侧面和第四侧面,所述第二板的第四侧面与多个所述第一件的第四端相连,所述第二板的第三侧面邻近所述第一管的内壁 面设置。
- 根据权利要求1-14中任一项所述的换热器,其特征在于,所述第二管包括第二周壁和由第二周壁包围形成的第二主通道,所述换热器还包括第二组件、第三进出口管和第四进出口管,所述第二组件位于所述第二主通道内,所述第二主通道包括第三流道和第四流道,至少部分所述第二组件与所述第二管的内壁面抵接,所述第三流道包括第三孔道和多个第三子流道,所述第三孔道沿所述第二管的长度方向延伸,所述第三孔道与多个所述第三子流道连通,所述第四流道包括第四孔道和多个第四子流道,所述第四孔道沿所述第二管的长度方向延伸,所述第四孔道与多个所述第四子流道连通,所述第三子流道和所述第四子流道沿所述第二管的长度方向交替布置,所述第二组件分隔所述第三子流道和所述第四子流道,所述第三子流道和所述第四子流道互不连通,所述第三子流道与所述第一换热管连通,所述第四子流道与所述第二换热管连通,所述第一孔道、所述第一子流道、所述第一换热管和所述第三子流道连通,所述第二孔道、所述第二子流道、所述第二换热管和所述第四子流道连通;所述第三进出口管与所述第三孔道连通,所述第四进出口管与所述第四孔道连通。
- 一种多制冷***空调机组,其特征在于,包括多个制冷***,多个所述制冷***中的至少两个制冷***共用至少一个换热器,所述换热器为所述至少两个制冷***的蒸发器和/或冷凝器,所述换热器为根据权利要求1-15中任一项所述的换热器。
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Publication number | Priority date | Publication date | Assignee | Title |
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US20080289806A1 (en) * | 2005-02-02 | 2008-11-27 | Carrier Corporation | Heat Exchanger with Perforated Plate in Header |
CN202993924U (zh) * | 2012-11-23 | 2013-06-12 | 广东美的制冷设备有限公司 | 微通道换热器 |
CN203719250U (zh) * | 2014-01-23 | 2014-07-16 | 丹佛斯微通道换热器(嘉兴)有限公司 | 换热器 |
CN205718634U (zh) * | 2016-04-15 | 2016-11-23 | 青岛海尔新能源电器有限公司 | 一种单集流管的微通道换热器 |
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JP5496369B2 (ja) * | 2011-01-18 | 2014-05-21 | 三菱電機株式会社 | 積層型熱交換器及びそれを搭載したヒートポンプシステム |
JP6111655B2 (ja) * | 2012-12-26 | 2017-04-12 | ダイキン工業株式会社 | 冷凍装置 |
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CN110832260B (zh) * | 2017-06-30 | 2021-10-19 | 三菱电机株式会社 | 热交换器及制冷循环装置 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN203719250U (zh) * | 2014-01-23 | 2014-07-16 | 丹佛斯微通道换热器(嘉兴)有限公司 | 换热器 |
CN205718634U (zh) * | 2016-04-15 | 2016-11-23 | 青岛海尔新能源电器有限公司 | 一种单集流管的微通道换热器 |
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