WO2021169532A1 - 换热器 - Google Patents

换热器 Download PDF

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Publication number
WO2021169532A1
WO2021169532A1 PCT/CN2020/138147 CN2020138147W WO2021169532A1 WO 2021169532 A1 WO2021169532 A1 WO 2021169532A1 CN 2020138147 W CN2020138147 W CN 2020138147W WO 2021169532 A1 WO2021169532 A1 WO 2021169532A1
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WO
WIPO (PCT)
Prior art keywords
pipe
outlet
flat
flat tube
hole
Prior art date
Application number
PCT/CN2020/138147
Other languages
English (en)
French (fr)
Inventor
魏文建
马文勇
Original Assignee
浙江盾安人工环境股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江盾安人工环境股份有限公司 filed Critical 浙江盾安人工环境股份有限公司
Priority to US17/801,520 priority Critical patent/US20230003463A1/en
Priority to JP2022547043A priority patent/JP2023516888A/ja
Publication of WO2021169532A1 publication Critical patent/WO2021169532A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • 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
    • F28D1/03—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 plate-like or laminated conduits
    • F28D1/0308—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other
    • F28D1/0325—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
    • 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
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • 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
    • F28D1/05358—Assemblies of conduits connected side by side or with individual headers, e.g. section type radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F11/00—Arrangements for sealing leaky tubes and conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
    • 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
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
    • F28F9/268—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators by permanent joints, e.g. by welding
    • 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
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples

Definitions

  • This application relates to the technical field of heat exchangers, and specifically to a heat exchanger.
  • the prior art discloses a micro-channel heat exchanger for dual compressors.
  • the heat exchanger includes a flat tube group and a header.
  • the flat tube groups are arranged side by side along the axial direction of the header.
  • the header includes The first header at the left end of the flat tube group and the second header at the right end of the flat tube group are provided with isolation components that divide the inner cavity of the header into an upper cavity and a lower cavity Counting backward from the front end of the header, the left end of the odd-numbered flat tube group is connected with the upper cavity of the first header, the right end is connected with the lower cavity of the second header, and the even-numbered flat tube group
  • the left end of the flat tube group is communicated with the inner cavity of the lower part of the first header, and the right end of the flat tube group is communicated with the inner cavity of the upper part of the second header.
  • This solution can achieve complete contact and heat exchange between the fin part of the heat exchanger and another flow path when a compressor is turned on, maximizing the use of the heat exchange area of the heat exchanger, and making reasonable use of wind energy.
  • Energy such as electric energy improves heat exchange efficiency and achieves the purpose of energy saving.
  • the above heat exchanger needs to be equipped with a complicated structure such as isolation components in order to realize the dual process, which has the problem of complicated structure and inconvenient manufacturing and assembly.
  • the present application provides a heat exchanger to solve the problem that the dual-process heat exchanger in the prior art has a complicated structure and is inconvenient to manufacture and assemble.
  • the present application provides a heat exchanger, including a flat tube, the flat tube has a refrigerant cavity, an inlet, an outlet, and two through holes, wherein the inlet and the outlet are respectively located in the refrigerant At both ends of the cavity, the inlet and the outlet are both in communication with the refrigerant cavity; the two through holes are respectively located at both ends of the refrigerant cavity, and the two through holes are not in communication with the refrigerant cavity .
  • the plurality of flat tubes include a first flat tube and a second flat tube arranged alternately, and the heat exchanger also includes a first liquid inlet tube and a second liquid inlet tube.
  • the first liquid outlet pipe, the second liquid outlet pipe, the first inlet of each first flat tube is connected with the first liquid inlet pipe, and the first outlet of each first flat tube is connected with The first liquid outlet pipe is connected, the second inlet of each second flat pipe is connected with the second liquid inlet pipe, and the second outlet of each second flat pipe is connected with the second liquid inlet pipe.
  • the outlet pipe is connected; the two through holes of the first flat tube are a first through hole and a second through hole, respectively, and the two through holes of the second flat tube are a third through hole and a fourth through hole, respectively ,
  • the first through hole is arranged corresponding to the second outlet
  • the second through hole is arranged corresponding to the second inlet
  • the third through hole is arranged corresponding to the first inlet
  • the fourth A through hole is provided corresponding to the first outlet
  • the first through hole is in communication with the second liquid outlet pipe
  • the second through hole is in communication with the second liquid inlet pipe
  • the third through hole is in communication with the second liquid inlet pipe.
  • the first liquid inlet pipe is in communication
  • the fourth through hole is in communication with the first liquid outlet pipe.
  • first liquid inlet pipe and the second liquid outlet pipe are located at one end of the first flat pipe, and the first liquid outlet pipe and the second liquid inlet pipe are located at the first flat pipe On the other end.
  • first liquid inlet pipe, the second liquid inlet pipe, the first liquid outlet pipe, and the second liquid outlet pipe are arranged in a row along the length direction of the first flat tube; or, so The first liquid inlet pipe and the second liquid outlet pipe are distributed along the width direction of the first flat pipe, and the first liquid outlet pipe and the second liquid inlet pipe are along the width of the first flat pipe.
  • Direction distribution is arranged in a row along the length direction of the first flat tube; or, so The first liquid inlet pipe and the second liquid outlet pipe are distributed along the width direction of the first flat pipe, and the first liquid outlet pipe and the second liquid inlet pipe are along the width of the first flat pipe. Direction distribution.
  • the flat tube includes two heat exchange plates sealed and connected together, and the two heat exchange plates are symmetrically arranged with respect to a preset symmetry plane.
  • the heat exchange plate includes a plate body, a welding edge arranged on the periphery of the plate body, a first convex surface and a second convex surface arranged at intervals on both ends of the plate body, the welding edge,
  • the first convex surface and the second convex surface are both located on the same side of the plate body; the area between the plate bodies of the two heat exchange plates forms the refrigerant cavity, and the two heat exchange plates
  • the welding edges of the hot plate are welded together, the first convex surfaces of the two heat exchange plates are welded together, and the second convex surfaces of the two heat exchange plates are welded together; the inlet and the outlet They are respectively located at two ends of the board, and the two through holes are respectively located on the first convex surface and the second convex surface.
  • the inlet, one through hole of the two through holes, the outlet, and the other through hole of the two through holes are distributed along the length direction of the heat exchange plate; or, the The inlet and one of the two through holes are distributed along the width direction of the heat exchange plate, and the outlet and the other of the two through holes are distributed along the width direction of the heat exchange plate .
  • the first liquid inlet pipe includes a plurality of pipe sections connected in sequence, one end of the pipe section is sealed to the first flat pipe, and the other end of the pipe section is sealed to the second flat pipe.
  • the pipe section includes a pipe body and a first ring body and a second ring body respectively arranged at both ends of the pipe body, the first ring body is welded to the outer wall of the first flat tube, and the first ring body is welded to the outer wall of the first flat tube.
  • the second ring body is welded to the outer wall of the second flat tube.
  • first liquid inlet pipe the second liquid inlet pipe, the first liquid outlet pipe and the second liquid outlet pipe are the same.
  • the heat exchanger includes a flat tube.
  • the flat tube has a refrigerant cavity, an inlet, an outlet, and two through holes.
  • the inlet and the outlet are respectively located at two ends of the refrigerant cavity. Both the inlet and the outlet are connected with the refrigerant cavity; the two through holes are respectively located at the two ends of the refrigerant cavity, and the two through holes are not connected with the refrigerant cavity.
  • the flat tube has an inlet, an outlet, and two through holes
  • the liquid collection tube liquid inlet or outlet tube
  • different flat tubes can choose to use the inlet Or the outlet is connected with the collecting pipe, and the through hole is used to avoid the collecting pipe, so that the different parts in the heat exchanger are easy to arrange and assemble, so as to realize the dual process.
  • Fig. 1 shows a schematic structural diagram of a heat exchanger provided in Embodiment 1 of the present application
  • Figure 2 shows an exploded view of the heat exchanger in Figure 1;
  • Figure 3 shows a partial enlarged view of the heat exchanger in Figure 1;
  • Fig. 4 shows a schematic structural diagram of the first flat tube in Fig. 1;
  • Figure 5 shows a partial enlarged view of the left end of the first flat tube in Figure 4.
  • Fig. 6 shows a partial enlarged view of the right end of the first flat tube in Fig. 4;
  • Fig. 7 shows a schematic structural diagram of a heat exchanger provided in the second embodiment of the present application.
  • Figure 8 shows an exploded view of the heat exchanger in Figure 7;
  • Figure 9 shows a cross-sectional view of the heat exchanger in Figure 7 at position A-A;
  • Figure 10 shows a cross-sectional view of the heat exchanger in Figure 7 at position B-B;
  • FIG. 11 shows a schematic diagram of the structure of the first flat tube in FIG. 7;
  • Figure 12 shows a cross-sectional view of the left end of the first flat tube in Figure 11;
  • Fig. 13 shows a cross-sectional view of the right end of the first flat tube in Fig. 11.
  • the first embodiment of the present application provides a heat exchanger.
  • the heat exchanger includes a flat tube.
  • the flat tube has a refrigerant cavity, an inlet, an outlet, and two through holes.
  • the inlet and the outlet are respectively located in the refrigerant.
  • the two ends of the cavity, the inlet and the outlet are all connected with the refrigerant cavity; the two through holes are respectively located at the two ends of the refrigerant cavity, and the two through holes are not connected with the refrigerant cavity.
  • the flat tube has an inlet, an outlet, and two through holes
  • the liquid collection tube liquid inlet or outlet tube
  • different flat tubes can choose to use the inlet Or the outlet is connected with the collecting pipe, and the through hole is used to avoid the collecting pipe, so that the different parts in the heat exchanger are easy to arrange and assemble, so as to realize the dual process.
  • the plurality of flat tubes include a first flat tube 20 and a second flat tube 30 arranged alternately.
  • the heat exchanger also includes a first liquid inlet tube 11 and a second liquid inlet tube. 12.
  • the first outlet pipe 13, the second outlet pipe 14, the first inlet 21 of each first flat tube 20 is connected to the first inlet pipe 11, and the first outlet 22 of each first flat tube 20 are connected to the first liquid outlet pipe 13, the second inlet 31 of each second flat tube 30 is connected to the second liquid inlet pipe 12, and the second outlet 32 of each second flat tube 30 is connected to the second liquid outlet.
  • the tube 14 is connected; the two through holes of the first flat tube 20 are the first through hole 23 and the second through hole 24, and the two through holes of the second flat tube 30 are the third through hole 33 and the fourth through hole, respectively 34.
  • the first through hole 23 is arranged corresponding to the second outlet 32
  • the second through hole 24 is arranged corresponding to the second inlet 31
  • the third through hole 33 is arranged corresponding to the first inlet 21
  • the fourth through hole 34 is arranged corresponding to the first outlet. 22 is correspondingly arranged
  • the first through hole 23 is in communication with the second liquid outlet pipe 14
  • the second through hole 24 is in communication with the second liquid inlet pipe 12
  • the third through hole 33 is in communication with the first liquid inlet pipe 11
  • the fourth through hole is 34 is in communication with the first outlet pipe 13.
  • the first inlet 21 of the first flat tube 20 is the inlet of the above-mentioned flat tube
  • the first outlet 22 of the first flat tube 20 is the outlet of the above-mentioned flat tube
  • the second inlet 31 of the second flat tube 30 is the inlet of the aforementioned flat tube
  • the second outlet 32 of the second flat tube 30 is the outlet of the aforementioned flat tube.
  • a plurality of first flat tubes 20 and a plurality of second flat tubes 30 are arranged alternately, that is, there is a second flat tube 30 between two adjacent first flat tubes 20, and two adjacent first flat tubes 30 are provided.
  • fins 40 are provided between adjacent first flat tubes 20 and second flat tubes 30, so that the heat exchange area can be increased.
  • first flat tube 20 and the second flat tube 30 have the same structure, and the first flat tube 20 and the second flat tube 30 can be installed interchangeably.
  • a flat tube can be manufactured, which is beneficial to reduce manufacturing cost and facilitates assembly.
  • the first flat tube 20 can be assembled to the position of the second flat tube 30 by rotating 180 degrees, or the second flat tube 30 can be assembled to the position of the first flat tube 20 by rotating 180 degrees.
  • the first liquid inlet pipe 11 and the second liquid outlet pipe 14 are located at one end of the first flat pipe 20, and the first liquid outlet pipe 13 and the second liquid inlet pipe 12 are located at the other end of the first flat pipe 20.
  • first liquid inlet pipe 11, the second liquid inlet pipe 12, the first liquid outlet pipe 13 and the second liquid outlet pipe 14 are arranged in a row along the length direction of the first flat tube 20.
  • first liquid inlet pipe 11 and the second liquid outlet pipe 14 are distributed along the width direction of the first flat pipe 20, and the first liquid outlet pipe 13 and the second liquid inlet pipe 12 are along the width of the first flat pipe 20. Width direction distribution.
  • the flat tube (that is, the first flat tube 20 or the second flat tube 30) includes two heat exchange plates 25 that are hermetically connected together, and the two heat exchange plates 25 face symmetrically with respect to a preset Weighing setting, so that it is easy to process.
  • the first flat tube 20 is stamped and formed from a composite aluminum plate into a heat exchange plate, and the two heat exchange plates are mirrored and superimposed to form the first flat tube 20, which is then brazed into one body, which belongs to the category of stamped and formed flat tubes.
  • the second flat tube 30 can also be processed in this way.
  • the heat exchange plate 25 includes a plate body 26, a welding edge 27 arranged on the periphery of the plate body 26, a first convex surface 28 and a second convex surface 29 arranged at intervals on both ends of the plate body 26, and the welding
  • the side 27, the first convex surface 28 and the second convex surface 29 are all located on the same side of the plate body 26; the area between the plate bodies 26 of the two heat exchange plates 25 forms the refrigerant cavity of the first flat tube 20, and the two The welding edges 27 of the two heat exchange plates 25 are welded together, the first convex surfaces 28 of the two heat exchange plates 25 are welded together, and the second convex surfaces 29 of the two heat exchange plates 25 are welded together; the first inlet 21 and the first outlet 22 are respectively located at two ends of the plate body 26, the first through hole 23 is located on the first convex surface 28, and the second through hole 24 is located on the second convex surface 29. In this way, it is convenient to process the inlet, the outlet, and each through hole
  • the first inlet 21, the first through hole 23, the first outlet 22 and the second through hole 24 are distributed along the length direction of the heat exchange plate 25.
  • the first inlet 21 and the first through holes 23 are distributed along the width direction of the heat exchange plate 25, and the first outlet 22 and the second through holes 24 are distributed along the width direction of the heat exchange plate 25.
  • the first liquid inlet pipe 11 includes a plurality of pipe sections 15 connected in sequence. One end of the pipe section 15 is sealed to the first flat pipe 20, and the other end of the pipe section 15 is sealed to the second flat pipe 30.
  • the pipe section 15 includes a pipe body and a first ring body and a second ring body respectively arranged at both ends of the pipe body.
  • the first ring body is welded to the outer wall of the first flat tube 20, and the second ring body is connected to the second flat tube.
  • the outer wall of 30 is welded.
  • the structures of the first liquid inlet pipe 11, the second liquid inlet pipe 12, the first liquid outlet pipe 13 and the second liquid outlet pipe 14 are the same. This can reduce the number of parts of the heat exchanger, facilitate processing and assembly, thereby reducing manufacturing costs.
  • the heat exchanger includes a first liquid inlet pipe 11, a second liquid inlet pipe 12, a first liquid outlet pipe 13, a second liquid outlet pipe 14, a first flat tube 20, and a second flat tube 30.
  • the two ends of the flat tube 20 respectively have a first inlet 21 and a first outlet 22 that are both in communication with the refrigerant cavity in the first flat tube 20.
  • the second inlet 31 and the second outlet 32 communicated with the refrigerant cavity, the first flat tube 20 and the second flat tube 30 are multiple, the multiple first flat tubes 20 and the multiple second flat tubes 30 are arranged alternately, each The first inlet 21 of each first flat tube 20 is in communication with the first liquid inlet tube 11, the first outlet 22 of each first flat tube 20 is in communication with the first liquid outlet tube 13, and each second flat tube 30
  • the second inlets 31 are all connected to the second liquid inlet pipe 12, and the second outlets 32 of each second flat tube 30 are all connected to the second liquid outlet pipe 14.
  • the cooperation of the tube 30 realizes a dual process. Compared with the prior art, there is no need to provide complicated structures such as isolation components, which simplifies the structure of the heat exchanger and is convenient for manufacturing and assembling. In addition, the first flat tube 20 and the second flat tube 30 can be interchanged, which is convenient for processing and assembly.

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

Abstract

一种换热器，包括扁管，扁管具有冷媒腔、进口、出口以及两个通孔，其中，进口和出口分别位于冷媒腔的两端，进口和出口均与冷媒腔连通；两个通孔分别位于冷媒腔的两端，两个通孔均与冷媒腔不连通。由于扁管具有进口、出口以及两个通孔，在多个扁管与换热器的集液管（进液管或出液管）配合时，不同的扁管可选择使用进口或出口与集液管连通，以及使用通孔避让集液管，从而换热器中不同部件便于布置和装配，以实现双流程。与现有技术相比无需设置复杂的隔离组件等结构，简化了换热器的结构，便于制造和装配。

Description

换热器 技术领域
本申请涉及换热器技术领域，具体而言，涉及一种换热器。
背景技术
现有技术公开了一种用于双压缩机的微通道换热器，换热器包括扁管组和集流管，扁管组沿集流管的轴向并列排列，集流管包括设在扁管组左端的第一集流管和设在扁管组右端的第二集流管，集流管中设有将集流管的内腔分成上部分内腔和下部分内腔的隔离组件，从集流管的前端向后数起，第奇数个扁管组的左端与第一集流管的上部分内腔连通、右端与第二集流管的下部分内腔连通，第偶数个扁管组的左端与第一集流管的下部分内腔连通、右端与第二集流管的上部分内腔连通。该方案能够在开启一台压缩机时，换热器的翅片部分依然可以与另外一个流路实现完全接触和换热，最大限度利用换热器的换热面积，起到合理地利用风能，电能等能量，提高换热效率，达到节能的目的。但上述换热器由于扁管等结构的限制，为了实现双流程，需要设置复杂的隔离组件等结构，存在结构复杂，不便于制造和装配的问题。
发明内容
本申请提供了一种换热器，以解决现有技术中的双流程换热器结构复杂，不便于制造和装配的问题。
为了解决上述问题，本申请提供了一种换热器，包括扁管，所述扁管具有冷媒腔、进口、出口以及两个通孔，其中，所述进口和所述出口分别位于所述冷媒腔的两端，所述进口和所述出口均与所述冷媒腔连通；两个所述通孔分别位于所述冷媒腔的两端，两个所述通孔均与所述冷媒腔不连通。
进一步地，所述扁管为多个，多个所述扁管包括交替排列设置的第一扁管和第二扁管，所述换热器还包括第一进液管、第二进液管、第一出液管、第二出液管，每个所述第一扁管的第一进口均与所述第一进液管连通，每个所述第一扁管的第一出口均与所述第一出液管连通，每个所述第二扁管的第二进口均与所述第二进液管连通，每个所述第二扁管的第二出口均与所述第二出液管连通；所述第一扁管的两个通孔分别为第一通孔和第二通孔，所述第二扁管的两个通孔分别为第三通孔和第四通孔，所述第一通孔与所述第二出口对应设置，所述第二通孔与所述第二进口对应设置，所述第三通孔与所述第一进口对应设置，所述第四通孔与所述第一出口对应设置，所述第一通孔与所述第二出液管连通，所述第二通孔与所述第二进液管连通，所述第三通孔与所述第一进液管连通，所述第四通孔与所述第一出液管连通。
进一步地，所述第一进液管和所述第二出液管位于所述第一扁管的一端，所述第一出液管和所述第二进液管位于所述第一扁管的另一端。
进一步地，所述第一进液管、所述第二进液管、所述第一出液管和所述第二出液管沿所述第一扁管的长度方向排列设置；或，所述第一进液管和所述第二出液管沿所述第一扁管的宽度方向分布，所述第一出液管和所述第二进液管沿所述第一扁管的宽度方向分布。
进一步地，所述扁管包括两个密封连接在一起的换热板，两个所述换热板相对于预设的对称面对称设置。
进一步地，所述换热板包括板体、设置在所述板体的周缘的焊边、间隔设置在所述板体两端的第一凸起面和第二凸起面，所述焊边、所述第一凸起面和所述第二凸起面均位于所述板体的同一侧；两个所述换热板的板体之间的区域形成所述冷媒腔，两个所述换热板的焊边焊接在一起，两个所述换热板的第一凸起面焊接在一起，两个所述换热板的第二凸起面焊接在一起；所述进口和所述出口分别位于所述板体的两端，两个所述通孔分别位于所述第一凸起面和所述第二凸起面。
进一步地，所述进口、两个所述通孔中的一个通孔、所述出口以及两个所述通孔中的另一个通孔沿所述换热板的长度方向分布；或，所述进口和两个所述通孔中的一个通孔沿所述换热板的宽度方向分布，所述出口和两个所述通孔中的另一个通孔沿所述换热板的宽度方向分布。
进一步地，所述第一进液管包括多个依次连通的管段、所述管段的一端与所述第一扁管密封连接，所述管段的另一端与所述第二扁管密封连接。
进一步地，所述管段包括管体和分别设置在所述管体的两端的第一环体和第二环体，所述第一环体与所述第一扁管的外壁焊接，所述第二环体与所述第二扁管的外壁焊接。
进一步地，所述第一进液管、所述第二进液管、所述第一出液管和所述第二出液管的结构相同。
应用本申请的技术方案，提供了一种换热器，换热器包括扁管，扁管具有冷媒腔、进口、出口以及两个通孔，其中，进口和出口分别位于冷媒腔的两端，进口和出口均与冷媒腔连通；两个通孔分别位于冷媒腔的两端，两个通孔均与冷媒腔不连通。采用该方案，由于扁管具有进口、出口以及两个通孔，在多个扁管与换热器的集液管(进液管或出液管)配合时，不同的扁管可选择使用进口或出口与集液管连通，以及使用通孔避让集液管，从而换热器中不同部件便于布置和装配，以实现双流程。与现有技术相比无需设置复杂的隔离组件等结构，简化了换热器的结构，便于制造和装配。
附图说明
构成本申请的一部分的说明书附图用来提供对本申请的进一步理解，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1示出了本申请的实施例一提供的换热器的结构示意图；
图2示出了图1中的换热器的爆炸图；
图3示出了图1中的换热器的局部放大图；
图4示出了图1中的第一扁管的结构示意图；
图5示出了图4中的第一扁管左端的局部放大图；
图6示出了图4中的第一扁管右端的局部放大图；
图7示出了本申请的实施例二提供的换热器的结构示意图；
图8示出了图7中的换热器的爆炸图；
图9示出了图7中的换热器在A-A位置的剖视图；
图10示出了图7中的换热器在B-B位置的剖视图；
图11示出了图7中的第一扁管的结构示意图；
图12示出了图11中的第一扁管左端的剖视图；
图13示出了图11中的第一扁管右端的剖视图。
其中，上述附图包括以下附图标记：
11、第一进液管；12、第二进液管；13、第一出液管；14、第二出液管；15、管段；20、第一扁管；21、第一进口；22、第一出口；23、第一通孔；24、第二通孔；25、换热板；26、板体；27、焊边；28、第一凸起面；29、第二凸起面；30、第二扁管；31、第二进口；32、第二出口；33、第三通孔；34、第四通孔；40、翅片。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。以下对至少一个示例性实施例的描述实际上仅仅是说明性的，决不作为对本申请及其应用或使用的任何限制。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
如附图所示，本申请的实施例一提供了一种换热器，换热器包括扁管，扁管具有冷媒腔、进口、出口以及两个通孔，其中，进口和出口分别位于冷媒腔的两端，进口和出口均与冷媒腔连通；两个通孔分别位于冷媒腔的两端，两个通孔均与冷媒腔不连通。采用该方案，由于扁管具有进口、出口以及两个通孔，在多个扁管与换热器的集液管(进液管或出液管)配合时，不同的扁管可选择使用进口或出口与集液管连通，以及使用通孔避让集液管，从而换热 器中不同部件便于布置和装配，以实现双流程。与现有技术相比无需设置复杂的隔离组件等结构，简化了换热器的结构，便于制造和装配。
在本实施例中，扁管为多个，多个扁管包括交替排列设置的第一扁管20和第二扁管30，换热器还包括第一进液管11、第二进液管12、第一出液管13、第二出液管14，每个第一扁管20的第一进口21均与第一进液管11连通，每个第一扁管20的第一出口22均与第一出液管13连通，每个第二扁管30的第二进口31均与第二进液管12连通，每个第二扁管30的第二出口32均与第二出液管14连通；第一扁管20的两个通孔分别为第一通孔23和第二通孔24，第二扁管30的两个通孔分别为第三通孔33和第四通孔34，第一通孔23与第二出口32对应设置，第二通孔24与第二进口31对应设置，第三通孔33与第一进口21对应设置，第四通孔34与第一出口22对应设置，第一通孔23与第二出液管14连通，第二通孔24与第二进液管12连通，第三通孔33与第一进液管11连通，第四通孔34与第一出液管13连通。
该方案中，第一扁管20的第一进口21即为上述扁管的进口，第一扁管20的第一出口22即为上述扁管的出口。第二扁管30的第二进口31即为上述扁管的进口，第二扁管30的第二出口32即为上述扁管的出口。采用该方案，可通过第一进液管11、第二进液管12、第一出液管13、第二出液管14与交替设置的多个第一扁管20和多个第二扁管30的配合实现双流程。与现有技术相比无需设置复杂的隔离组件等结构，简化了换热器的结构，便于制造和装配。
在本实施例中，多个第一扁管20和多个第二扁管30交替排列设置，即相邻两个第一扁管20之间具有一个第二扁管30，相邻两个第二扁管30之间具有一个第一扁管20。在本实施例中，相邻的第一扁管20和第二扁管30之间设置有翅片40，这样可以提高换热面积。该方案使得换热器有两个流程，在使用时每个流程可对应一个压缩机设置，这样在开启一台压缩机时，关闭一个流程，换热器的翅片部分依然可以与另外一个流路实现完全接触和换热，最大限度利用换热器的换热面积，起到合理地利用风能，电能等能量，提高换热效率，达到节能的目的。
在本实施例中，第一扁管20和第二扁管30的结构相同，第一扁管20和第二扁管30可互换地安装。这样制造出一种扁管即可，有利于降低制造成本，并且便于装配。在装配时，第一扁管20旋转180度即可装配到第二扁管30的位置，或第二扁管30旋转180度即可装配到第一扁管20的位置。
在本实施例中，第一进液管11和第二出液管14位于第一扁管20的一端，第一出液管13和第二进液管12位于第一扁管20的另一端。通过上述设置，使得两个流程内的冷凝反向流动，便于提高不同位置的换热均匀性。
在本实施例中，第一进液管11、第二进液管12、第一出液管13和第二出液管14沿第一扁管20的长度方向排列设置。在实施例二中，第一进液管11和第二出液管14沿第一扁管20的宽度方向分布，第一出液管13和第二进液管12沿第一扁管20的宽度方向分布。以上两种方式排列方式有所区别，能取得相同的换热效果。
在本实施例中，扁管(也即第一扁管20或第二扁管30)包括两个密封连接在一起的换热板25，两个换热板25相对于预设的对称面对称设置，这样便于加工。可选地，第一扁管20由复合铝板冲压成型为换热板，两片换热板镜像叠合形成第一扁管20，然后经钎焊后成为一体，属于冲压成型扁管范畴。第二扁管30也可采用此种方式加工。
在本实施例中，换热板25包括板体26、设置在板体26的周缘的焊边27、间隔设置在板体26两端的第一凸起面28和第二凸起面29，焊边27、第一凸起面28和第二凸起面29均位于板体26的同一侧；两个换热板25的板体26之间的区域形成第一扁管20的冷媒腔，两个换热板25的焊边27焊接在一起，两个换热板25的第一凸起面28焊接在一起，两个换热板25的第二凸起面29焊接在一起；第一进口21和第一出口22分别位于板体26的两端，第一通孔23位于第一凸起面28，第二通孔24位于第二凸起面29。这样便于加工出进口、出口以及各个通孔，而且避免了通孔与冷媒腔连通，从而避免两个流程连通。
以第一扁管20为例，在实施例一中，第一进口21、第一通孔23、第一出口22和第二通孔24沿换热板25的长度方向分布。在实施例二中，第一进口21和第一通孔23沿换热板25的宽度方向分布，第一出口22和第二通孔24沿换热板25的宽度方向分布。
在上述实施例中，第一进液管11包括多个依次连通的管段15、管段15的一端与第一扁管20密封连接，管段15的另一端与第二扁管30密封连接。通过上述设置便于实现第一进液管11与多个第一扁管20和多个第二扁管30的连接。
具体地，管段15包括管体和分别设置在管体的两端的第一环体和第二环体，第一环体与第一扁管20的外壁焊接，第二环体与第二扁管30的外壁焊接。通过上述设置便于进行焊接，提高连接强度和密封效果。
在本实施例中，第一进液管11、第二进液管12、第一出液管13和第二出液管14的结构相同。这样可以减少换热器的零件数量，便于加工和装配，从而降低制造成本。
采用上述方案，换热器包括第一进液管11、第二进液管12、第一出液管13、第二出液管14、第一扁管20和第二扁管30，第一扁管20的两端分别具有均与第一扁管20内的冷媒腔连通的第一进口21和第一出口22，第二扁管30的两端分别具有均与第二扁管30内的冷媒腔连通的第二进口31和第二出口32，第一扁管20和第二扁管30均为多个，多个第一扁管20和多个第二扁管30交替排列设置，每个第一扁管20的第一进口21均与第一进液管11连通，每个第一扁管20的第一出口22均与第一出液管13连通，每个第二扁管30的第二进口31均与第二进液管12连通，每个第二扁管30的第二出口32均与第二出液管14连通。采用该方案，可通过第一进液管11、第二进液管12、第一出液管13、第二出液管14与交替设置的多个第一扁管20和多个第二扁管30的配合实现双流程。与现有技术相比无需设置复杂的隔离组件等结构，简化了换热器的结构，便于制造和装配。并且第一扁管20和第二扁管30能够互换，便于加工和装配。
以上所述仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 一种换热器，其特征在于，包括扁管，所述扁管具有冷媒腔、进口、出口以及两个通孔，其中，所述进口和所述出口分别位于所述冷媒腔的两端，所述进口和所述出口均与所述冷媒腔连通；两个所述通孔分别位于所述冷媒腔的两端，两个所述通孔均与所述冷媒腔不连通。
  2. 根据权利要求1所述的换热器，其特征在于，
    所述扁管为多个，多个所述扁管包括交替排列设置的第一扁管(20)和第二扁管(30)，所述换热器还包括第一进液管(11)、第二进液管(12)、第一出液管(13)、第二出液管(14)，每个所述第一扁管(20)的第一进口(21)均与所述第一进液管(11)连通，每个所述第一扁管(20)的第一出口(22)均与所述第一出液管(13)连通，每个所述第二扁管(30)的第二进口(31)均与所述第二进液管(12)连通，每个所述第二扁管(30)的第二出口(32)均与所述第二出液管(14)连通；
    所述第一扁管(20)的两个通孔分别为第一通孔(23)和第二通孔(24)，所述第二扁管(30)的两个通孔分别为第三通孔(33)和第四通孔(34)，所述第一通孔(23)与所述第二出口(32)对应设置，所述第二通孔(24)与所述第二进口(31)对应设置，所述第三通孔(33)与所述第一进口(21)对应设置，所述第四通孔(34)与所述第一出口(22)对应设置，所述第一通孔(23)与所述第二出液管(14)连通，所述第二通孔(24)与所述第二进液管(12)连通，所述第三通孔(33)与所述第一进液管(11)连通，所述第四通孔(34)与所述第一出液管(13)连通。
  3. 根据权利要求2所述的换热器，其特征在于，所述第一进液管(11)和所述第二出液管(14)位于所述第一扁管(20)的一端，所述第一出液管(13)和所述第二进液管(12)位于所述第一扁管(20)的另一端。
  4. 根据权利要求2所述的换热器，其特征在于，
    所述第一进液管(11)、所述第二进液管(12)、所述第一出液管(13)和所述第二出液管(14)沿所述第一扁管(20)的长度方向排列设置；或，
    所述第一进液管(11)和所述第二出液管(14)沿所述第一扁管(20)的宽度方向分布，所述第一出液管(13)和所述第二进液管(12)沿所述第一扁管(20)的宽度方向分布。
  5. 根据权利要求1所述的换热器，其特征在于，所述扁管包括两个密封连接在一起的换热板(25)，两个所述换热板(25)相对于预设的对称面对称设置。
  6. 根据权利要求5所述的换热器，其特征在于，所述换热板(25)包括板体(26)、设置在所述板体(26)的周缘的焊边(27)、间隔设置在所述板体(26)两端的第一凸起面(28)和第二凸起面(29)，所述焊边(27)、所述第一凸起面(28)和所述第二凸起面(29)均位于所述板体(26)的同一侧；两个所述换热板(25)的板体(26)之间的区域形成 所述冷媒腔，两个所述换热板(25)的焊边(27)焊接在一起，两个所述换热板(25)的第一凸起面(28)焊接在一起，两个所述换热板(25)的第二凸起面(29)焊接在一起；所述进口和所述出口分别位于所述板体(26)的两端，两个所述通孔分别位于所述第一凸起面(28)和所述第二凸起面(29)。
  7. 根据权利要求6所述的换热器，其特征在于，
    所述进口、两个所述通孔中的一个通孔、所述出口以及两个所述通孔中的另一个通孔沿所述换热板(25)的长度方向分布；或，
    所述进口和两个所述通孔中的一个通孔沿所述换热板(25)的宽度方向分布，所述出口和两个所述通孔中的另一个通孔沿所述换热板(25)的宽度方向分布。
  8. 根据权利要求2所述的换热器，其特征在于，所述第一进液管(11)包括多个依次连通的管段(15)、所述管段(15)的一端与所述第一扁管(20)密封连接，所述管段(15)的另一端与所述第二扁管(30)密封连接。
  9. 根据权利要求8所述的换热器，其特征在于，所述管段(15)包括管体和分别设置在所述管体的两端的第一环体和第二环体，所述第一环体与所述第一扁管(20)的外壁焊接，所述第二环体与所述第二扁管(30)的外壁焊接。
  10. 根据权利要求8所述的换热器，其特征在于，所述第一进液管(11)、所述第二进液管(12)、所述第一出液管(13)和所述第二出液管(14)的结构相同。
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