US20170059252A1 - Bent heat exchanger - Google Patents

Bent heat exchanger Download PDF

Info

Publication number
US20170059252A1
US20170059252A1 US15/308,421 US201515308421A US2017059252A1 US 20170059252 A1 US20170059252 A1 US 20170059252A1 US 201515308421 A US201515308421 A US 201515308421A US 2017059252 A1 US2017059252 A1 US 2017059252A1
Authority
US
United States
Prior art keywords
header
heat exchanger
bent
fin
bent heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US15/308,421
Other languages
English (en)
Inventor
Jing Zhou
Qiang Gao
Xiaoming Zhong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanhua Hangzhou Micro Channel Heat Exchanger Co Ltd
Original Assignee
Sanhua Hangzhou Micro Channel Heat Exchanger Co Ltd
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 Sanhua Hangzhou Micro Channel Heat Exchanger Co Ltd filed Critical Sanhua Hangzhou Micro Channel Heat Exchanger Co Ltd
Assigned to SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER CO., LTD. reassignment SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GAO, QIANG, ZHONG, XIAOMING, ZHOU, JING
Publication of US20170059252A1 publication Critical patent/US20170059252A1/en
Assigned to SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER CO., LTD. reassignment SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GAO, QIANG, ZHONG, XIAOMING, ZHOU, JING
Abandoned legal-status Critical Current

Links

Images

Classifications

    • 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
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • 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
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05333—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
    • F28F1/128—Fins with openings, e.g. louvered fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • 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
    • 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
    • F28D2001/0253—Particular components
    • F28D2001/026—Cores
    • F28D2001/0273—Cores having special shape, e.g. curved, annular
    • 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

Definitions

  • the present disclosure relates to a heat exchanger, and more particularly to a bent parallel-flow heat exchanger.
  • a heat exchanger for example a parallel-flow heat exchanger (such as a multi-channel heat exchanger) is broadly applied to a refrigeration system, and in some application situations, the heat exchanger needs to be bent, that is, a header of the heat exchanger needs to be bent.
  • a header of the heat exchanger needs to be bent.
  • the heat exchanger is bent along a length direction of the header, if bent improperly, a performance of the heat exchanger will be affected adversely, or application requirements cannot be met.
  • a heat exchanger When a heat exchanger is bent along a length direction of a header, if a bending radius is oversize, application requirements cannot be met in a case that a mounting space for the heat exchanger is limited. If the bending radius is undersize, a flat tube of the heat exchanger is deformed and a fin of the heat exchanger is torn, such that a heat exchange efficiency is affected, thus reducing a performance, even leading to a leakage of the flat tube and causing the heat exchanger to be scrapped. In addition, an excessive compression and deformation of the header may increase a pressure loss of coolant in the header and thus reduce the performance of the heat exchanger. Therefore, inventors realize that, a control of bending parameters is a factor affecting the performance, reliability and mounting-application convenience of the bent heat exchanger.
  • an objective of the present disclosure is to provide a bent heat exchanger.
  • the bending radius of the header is controlled, such that when the heat exchanger is bent along the header, the fin at an outer side of the bending will not be torn, and the header after being bent has a reduced deformation and an enough bursting strength.
  • the bent heat exchanger includes: a first header and a second header, each of the first header and the second header including at least one bent segment and a straight segment adjoining the bent segment, the bent segment of the first header being corresponding to the bent segment of the second header; a plurality of flat tubes, two ends of the flat tube being connected to the first header and the second header respectively, the plurality of flat tubes being spaced apart from one another along axial directions of the first header and the second header; and fins, each disposed between adjacent flat tubes, extending in a corrugated shape along a length direction of the flat tube, and including flat-straight segments and arc segments, each arc segment being connected between adjacent flat-straight segments.
  • a thickness of the fin is denoted as FT
  • the first header and the second header have different outer diameters, in which a larger one of the outer diameters of the first header and the second header is denoted as OD
  • the first header and the second header have different wall thicknesses, in which a larger one of the wall thicknesses of the first header and the second header is denoted as T
  • a width of the flat tube is denoted as W
  • an arc radius of the fin is denoted as FR
  • a height of the fin is denoted as FH, in which 0.01 ⁇ (100 ⁇ FT ⁇ FR ⁇ T)/(FH ⁇ OD) ⁇ 9.
  • the bent heat exchanger includes: a first header and a second header, each of the first header and the second header including at least one bent segment and a straight segment adjoining the bent segment, the bent segment of the first header being corresponding to the bent segment of the second header; a plurality of flat tubes, two ends of the flat tube being connected to the first header and the second header respectively, the plurality of flat tubes being spaced apart from one another along axial directions of the first header and the second header; and a fin disposed between adjacent flat tubes, extending in a corrugated shape along a length direction of the flat tube, and including a plurality of flat-straight segments and an arc segment connected between the flat-straight segments.
  • a thickness of the fin is denoted as FT
  • the first header and the second header have an equal outer diameter and both outer diameters of the first header and the second header are donated as OD
  • the first header and the second header have an equal wall thickness and both wall thicknesses of the first header and the second header are donated as T
  • a width of the flat tube is denoted as W
  • an arc radius of the fin is denoted as FR
  • a height of the fin is denoted as FH, in which 0.01 ⁇ (100 ⁇ FT ⁇ FR ⁇ T)/(FH ⁇ OD) ⁇ 9.
  • the thickness FT of the fin, the arc radius FR of a top of the fin and the height FH of the fin may cause an apparent tensile stress for the stretch of the fin during bending.
  • the tensile stress is denoted as Sfin.
  • Sfin tensile stress
  • the wall thickness T and the outer diameter OD of the header may cause an apparent bending stress during bending.
  • the bending stress is denoted as Shd.
  • Shd When the bending stress Shd is larger than a tensile strength ⁇ b of the header, the header will have a failure, and will have the failure under a certain pressure.
  • the relative tensile stress Shd/ ⁇ b on the header along with the increasing of the recombination parameter, firstly decreases (the strength of the header is not enough when the wall thickness of the header is relatively small), and then rises gradually (a bending deformation stress rises when the relative wall thickness of the header is relatively large).
  • a bending radius of a traditional copper-tube and fin heat exchanger of an air conditioner generally is more than 50 mm.
  • a lower limit and an upper limit of the recombination parameter (100 ⁇ FT ⁇ FR ⁇ T)/(FH ⁇ OD) are respectively determined as 0.01 and 9.
  • the bent heat exchanger according to embodiments of the present disclosure has advantages of a reasonable structure, a steady construction, a high heat exchange efficiency, a great heat exchange performance, a high reliability, an easy mounting and application, and a great drainage performance.
  • bent heat exchanger according to the above embodiments of the present disclosure may further include following additional technical features.
  • 0.0061 ⁇ FR/FH ⁇ 0.6 0.0061 ⁇ FR/FH ⁇ 0.6.
  • 0.0005 ⁇ FT/OD ⁇ 0.015 0.0005 ⁇ FT/OD ⁇ 0.015.
  • 0.0016 ⁇ FR/OD ⁇ 0.4 0.0016 ⁇ FR/OD ⁇ 0.4.
  • the bent heat exchanger is configured to be C-shaped or L-shaped.
  • FIG. 1 is a perspective view of a bent heat exchanger according to embodiments of the present disclosure
  • FIG. 2 is a schematic view of a bent heat exchanger before being bent according to embodiments of the present disclosure
  • FIG. 3 is a schematic view of a header after being bent of a bent heat exchanger according to embodiments of the present disclosure
  • FIG. 4 is a schematic view of a header and a flat tube of a bent heat exchanger according to embodiments of the present disclosure
  • FIG. 5 is a schematic view of a fin of a bent heat exchanger according to embodiments of the present disclosure.
  • FIG. 6 is a graph showing a relation curve between a relative stress on a fin, as well as relative tensile stresses on a first header and a second header, and a recombination parameter, under conditions of different bending radiuses.
  • the bent heat exchanger 10 includes a first header 101 , a second header 102 , fins 104 and a plurality of flat tubes 103 .
  • Each of the first header 101 and the second header 102 includes at least one bent segment 1011 and a straight segment 1012 adjoining the bent segment 1011 .
  • the bent segment 1011 of the first header 101 is corresponding to the bent segment 1011 of the second header 102 .
  • Two ends of the flat tube 103 are connected to the first header 101 and the second header 102 respectively, the plurality of flat tubes 103 are spaced apart from one another along axial directions of the first header 101 and the second header 102 .
  • the first header 101 is parallel with the second header 102 , i.e., the first header 101 has the same axial direction as the second header 102 , as shown in FIGS. 1 and 2 .
  • Each fin 104 is disposed between adjacent flat tubes 103 , and extends in a corrugated shape along a length direction of the flat tube 103 .
  • the plurality of flat tubes 103 is parallel with one another, i.e., each flat tube 103 has a same length direction, as shown in FIG. 2 .
  • Each fin 104 includes flat-straight segments 1041 and arc segments 1042 , and each arc segment 1042 is connected between adjacent flat-straight segments 1041 .
  • a thickness of the fin 104 is denoted as FT
  • the first header 101 and the second header 102 may have different outer diameters, and a larger one of the outer diameters of the first header 101 and the second header 102 is denoted as OD.
  • the first header 101 and the second header 102 may have an equal outer diameter, and both the outer diameters of the first header 101 and the second header 102 are donated as OD.
  • the first header 101 and the second header 102 may have different wall thicknesses, and a larger one of the wall thicknesses of the first header 101 and the second header 102 is denoted as T.
  • the first header 101 and the second header 102 may have an equal wall thickness, and both the wall thicknesses of the first header 101 and the second header 102 are donated as T.
  • a width of the flat tube 103 is denoted as W
  • an arc radius of the fin 104 is denoted as FR
  • a height of the fin 104 is denoted as FH, in which 0.01 ⁇ (100 ⁇ FT ⁇ FR ⁇ T)/(FH ⁇ OD) ⁇ 9.
  • the first header 101 and the second header 102 may have an equal outer diameter OD, and may as well have different outer diameters.
  • the larger one of the outer diameters of the first header 101 and the second header 102 is donated as OD.
  • the first header 101 and the second header 102 may have an equal wall thickness T, and may as well have different wall thicknesses.
  • the larger one of the wall thicknesses of the first header 101 and the second header 102 is denoted as T.
  • the first header 101 and the second header 102 may have an equal outer diameter and an equal wall thickness.
  • the outer diameter OD may be the outer diameter of any one of the first header 101 and the second header 102
  • the wall thickness T may be the wall thickness of any one of the first header 101 and the second header 102 .
  • a thickness (the width W of the flat tube 103 ) of a coil When a thickness (the width W of the flat tube 103 ) of a coil is determined, a decrease of a bending radius R will cause an overall bursting strength of the coil to be lowered, and therefore the wall thicknesses of the first header 101 and the second header 102 need to be increased (the outer diameters of the first header 101 and the second header 102 are not changed), or the outer diameters of the first header 101 and the second header 102 need to be decreased (the wall thicknesses of the first header 101 and the second header 102 are not changed), so as to meet strength requirements.
  • increasing the wall thicknesses of the first header 101 and the second header 102 not only increases a cost, but also decreases internal volumes of the first header 101 and the second header 102 .
  • the strength of the fin 104 is in direct proportion to the thickness of the fin 104 , a thicker fin 104 may resist a larger bending stress, and therefore it is not easy for the flat tube 103 after being bent to have a wavy deformation. But, increasing the thickness of the fin 104 not only results in an increased cost of the bent heat exchanger 10 , but also causes an increased ventilation resistance, thus reducing a performance of the unit.
  • the height of the fin 104 will as well influence the bending performance, the larger the height of the fin 104 is, the larger a spacing between the flat tubes 103 is, and thus a support force to the first header 101 and the second header 102 within per unit length is smaller, such that it is easier for the first header 101 and the second header 102 is to be deformed after being bent.
  • the thickness FT of the fin 104 , the arc radius FR of the top of the fin 104 and the height FH of the fin 104 may cause an apparent tensile stress for the stretch of the fin 104 during the bending.
  • the tensile stress is denoted as Sfin.
  • Sfin The tensile stress
  • the wall thicknesses T and the outer diameters OD of the first header 101 and the second header 102 may cause an apparent bending stress during the bending, and the bending stress is denoted as Shd.
  • the bending stress Shd is larger than a tensile strength ⁇ b of the first header 101 and the second header 102 , the first header 101 and the second header 102 may have a failure, and may have the failure under a certain pressure.
  • the relative stress Sfin/ ⁇ s on the fin 104 decreases generally along with the rising of the bending radius R.
  • the relative tensile stresses Shd/ ⁇ b on the first header 101 and the second header 102 along with the increasing of the recombination parameter, firstly decrease (the strength of the header is not enough when the wall thicknesses of the first header 101 and the second header 102 are relatively small), and then rise gradually (a bending deformation stress rises when the relative wall thickness of the first header 101 and the second header 102 is relatively large).
  • a bending radius of a traditional copper-tube and fin heat exchanger of an air conditioner is generally more than 50 mm.
  • a lower limit and an upper limit of the recombination parameter (100 ⁇ FT ⁇ FR ⁇ T)/(FH ⁇ OD) are determined respectively as 0.01 and 9.
  • the bent heat exchanger 10 has advantages of a reasonable structure, a steady construction, a high heat exchange efficiency, a great heat exchange performance, a high reliability, an easy mounting and application, and a great drainage performance.
  • the axial directions of the first header 101 and the second header 102 may be the length directions of the first header 101 and the second header 102 .
  • the larger outer diameter OD of the outer diameters of the first header 101 and the second header 102 , the larger wall thickness T of the wall thicknesses of the first header 101 and the second header 102 , the width W of the flat tube 103 , the arc radius FR of the fin 104 and the height FH of the fin 104 is millimeter, 0.01 mm ⁇ (100 ⁇ FT ⁇ FR ⁇ T)/(FH ⁇ OD) ⁇ 9 mm, the same as below.
  • the bent heat exchanger 10 may define a C-shape.
  • the bent heat exchanger 10 may be bent three times along the length directions of the first header 101 and the second header 102 . That is, each of the first header 101 and the second header 102 may include three bent segments 1011 and four straight segments 1012 , and each bent segment 1011 is located between two adjacent straight segments 1012 .
  • bent heat exchanger 10 may also define a L-shape.
  • the fin 104 is not torn, the flat tube 103 is not deformed and the coil has the enough bursting strength. Also, the heat exchange efficiency and the drainage performance of the bent heat exchanger 10 are further improved.
  • the fin 104 is not torn, the flat tube 103 is not deformed and the coil has the enough bursting strength. Also, the heat exchange efficiency and the drainage performance of the bent heat exchanger 10 are further improved.
  • the thickness FT of the fin 104 , the arc radius FR of the fin 104 , the height FH of the fin 104 , and the larger outer diameter OD of the outer diameters of the first header 101 and the second header 102 meet a following relation: 0.0004 ⁇ (FT ⁇ FR)/(FH ⁇ OD) ⁇ 0.59.
  • the thickness FT of the fin 104 , the arc radius FR of the fin 104 and the height FH of the fin 104 may meet a following relation: 0.02 ⁇ (FT ⁇ FR)/FH ⁇ 6.
  • the thickness FT of the fin 104 and the height FH of the fin 104 may meet a following relation: 0.002 ⁇ FT/FH ⁇ 0.04.
  • the arc radius FR of the fin 104 and the height FH of the fin 104 may meet a following relation: 0.0061 ⁇ FR/FH ⁇ 0.6.
  • the fin 104 is not torn, the flat tube 103 is not deformed and the coil has the enough bursting strength. Also, the heat exchange efficiency and the drainage performance of the bent heat exchanger 10 are further improved.
  • the larger wall thickness T of the wall thicknesses of the first header 101 and the second header 102 and the larger outer diameter OD of the outer diameters of the first header 101 and the second header 102 may meet a following relation: 0.04 ⁇ T/OD ⁇ 0.25.
  • 0.1 ⁇ T/OD ⁇ 0.2 Preferably, 0.1 ⁇ T/OD ⁇ 0.2.
  • the thickness FT of the fin 104 and the larger outer diameter OD of the outer diameters of the first header 101 and the second header 102 may meet a following relation: 0.0005 ⁇ FT/OD ⁇ 0.015.
  • 0.001 ⁇ FT/OD 0.001 ⁇ FT/OD ⁇ 0.01.
  • 0.003 ⁇ FT/OD 0.007
  • the arc radius FR of the fin 104 and the larger outer diameter OD of the outer diameters of the first header 101 and the second header 102 meet a following relation: 0.0016 ⁇ FR/OD ⁇ 0.4.
  • the fin 104 is not torn, the flat tube 103 is not deformed and the coil has the enough bursting strength. Also, the heat exchange efficiency and the drainage performance of the bent heat exchanger 10 are further improved.
  • the height FH of the fin 104 and the larger outer diameter OD of the outer diameters of the first header 101 and the second header 102 may meet a following relation: 0.05 ⁇ FH/OD ⁇ 2.
  • 0.1 ⁇ FH/OD 0.1 ⁇ FH/OD ⁇ 1.
  • 0.3 ⁇ FH/OD 0.3 ⁇ FH/OD ⁇ 0.7.
  • first and second are used herein for purposes of description and are not intended to indicate or imply relative importance or significance or to imply the number of indicated technical features.
  • the feature defined with “first” and “second” may comprise one or more of this feature.
  • “a plurality of” means two or more than two, unless specified otherwise.
  • the terms “mounted,” “connected,” “coupled,” “fixed” and the like are used broadly, and may be, for example, fixed connections, detachable connections, or integral connections; may also be mechanical or electrical connections; may also be direct connections or indirect connections via intervening structures; may also be inner communications of two elements, which can be understood by those skilled in the art according to specific situations.
  • a structure in which a first feature is “on” or “below” a second feature may include an embodiment in which the first feature is in direct contact with the second feature, and may also include an embodiment in which the first feature and the second feature are not in direct contact with each other, but are contacted via an additional feature formed therebetween.
  • a first feature “on,” “above,” or “on top of” a second feature may include an embodiment in which the first feature is right or obliquely “on,” “above,” or “on top of” the second feature, or just means that the first feature is at a height higher than that of the second feature; while a first feature “below,” “under,” or “on bottom of” a second feature may include an embodiment in which the first feature is right or obliquely “below,” “under,” or “on bottom of” the second feature, or just means that the first feature is at a height lower than that of the second feature.

Landscapes

  • 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)
US15/308,421 2014-05-06 2015-05-06 Bent heat exchanger Abandoned US20170059252A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201410188198.0 2014-05-06
CN201410188198.0A CN103925745B (zh) 2014-05-06 2014-05-06 折弯式换热器
PCT/CN2015/078406 WO2015169231A1 (fr) 2014-05-06 2015-05-06 Échangeur de chaleur courbé

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/078406 A-371-Of-International WO2015169231A1 (fr) 2014-05-06 2015-05-06 Échangeur de chaleur courbé

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/999,241 Continuation-In-Part US11585609B2 (en) 2014-05-06 2020-08-21 Bent heat exchanger

Publications (1)

Publication Number Publication Date
US20170059252A1 true US20170059252A1 (en) 2017-03-02

Family

ID=51144046

Family Applications (1)

Application Number Title Priority Date Filing Date
US15/308,421 Abandoned US20170059252A1 (en) 2014-05-06 2015-05-06 Bent heat exchanger

Country Status (6)

Country Link
US (1) US20170059252A1 (fr)
EP (1) EP3141858B1 (fr)
KR (1) KR101897385B1 (fr)
CN (1) CN103925745B (fr)
MX (1) MX386160B (fr)
WO (1) WO2015169231A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD805616S1 (en) * 2015-04-30 2017-12-19 Samwon Industrial Co., Ltd. Fin tube assembly for heat exchanger
US11085701B2 (en) 2015-12-30 2021-08-10 Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. Double-row bent heat exchanger
US20230204294A1 (en) * 2020-09-01 2023-06-29 Zhejiang Dunan Artificial Environment Co., Ltd. Combined heat exchanger
US11874066B2 (en) * 2018-07-04 2024-01-16 Zhejiang Dunan Thermal Technology Co., Ltd. Micro-channel heat exchanger
US20240060727A1 (en) * 2022-08-18 2024-02-22 Mahle International Gmbh Fin device, heat exchanger having the same and method for manufacturing a fin device
US12516887B2 (en) 2021-05-25 2026-01-06 Danfoss A/S Heat exchanger and air conditioning system having same

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11585609B2 (en) 2014-05-06 2023-02-21 Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. Bent heat exchanger
CN103925745B (zh) * 2014-05-06 2016-04-06 杭州三花微通道换热器有限公司 折弯式换热器
CN108267042B (zh) * 2016-12-30 2025-07-04 杭州三花微通道换热器有限公司 集流管和具有其的换热器
CN110160283A (zh) * 2017-09-14 2019-08-23 宁波德业科技集团有限公司 一种超薄空调用蒸发器
CN108489152A (zh) * 2018-02-28 2018-09-04 杭州三花家电热管理系统有限公司 换热器、换热设备及换热系统
CN111765797A (zh) * 2019-04-02 2020-10-13 杭州三花微通道换热器有限公司 扁管和具有其的换热器
US12140388B2 (en) 2019-04-02 2024-11-12 Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. Flat tube and heat exchanger provided with same
US20220090864A1 (en) * 2019-09-11 2022-03-24 Carrier Corporation Heat exchanger assembly

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5826649A (en) * 1997-01-24 1998-10-27 Modine Manufacturing Co. Evaporator, condenser for a heat pump
US6360817B1 (en) * 1999-12-22 2002-03-26 Visteon Global Technologies, Inc. Single heat exchanger
US20080141525A1 (en) * 2006-11-22 2008-06-19 Johnson Controls Technology Company Method for Making a Shaped Multichannel Heat Exchanger
US20080202733A1 (en) * 2007-02-23 2008-08-28 Samuelson David E Bend relief spacer
US20090166017A1 (en) * 2007-12-27 2009-07-02 Denso Corporation Heat exchanger
US7699095B2 (en) * 2006-03-29 2010-04-20 Delphi Technologies, Inc. Bendable core unit
US7908126B2 (en) * 2005-04-28 2011-03-15 Emerson Climate Technologies, Inc. Cooling system design simulator
US20110185574A1 (en) * 2008-08-08 2011-08-04 Delphi Technologies, Inc. Method for manufacturing a bent heat exchanger
US8479528B2 (en) * 2009-04-03 2013-07-09 Eaton-Williams Group Limited Heat exchanger for an equipment rack
US9062919B2 (en) * 2010-02-16 2015-06-23 Keihin Thermal Technology Corporation Condenser
US20160033182A1 (en) * 2013-03-15 2016-02-04 Carrier Corporation Heat exchanger for air-cooled chiller

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000356294A (ja) * 1999-06-16 2000-12-26 Sanoh Industrial Co Ltd ベンド管の製造方法
JP2002243381A (ja) * 2001-02-16 2002-08-28 Daikin Ind Ltd 空気熱交換器およびその製造方法
JP2004286246A (ja) * 2003-03-19 2004-10-14 Matsushita Electric Ind Co Ltd ヒ−トポンプ用パラレルフロ−熱交換器
FR2860289B1 (fr) * 2003-09-26 2017-10-20 Valeo Thermique Moteur Sa Echangeur de chaleur de forme cintree et procede pour sa fabrication
US20090084131A1 (en) * 2007-10-01 2009-04-02 Nordyne Inc. Air Conditioning Units with Modular Heat Exchangers, Inventories, Buildings, and Methods
CN201652995U (zh) * 2010-05-20 2010-11-24 三花丹佛斯（杭州）微通道换热器有限公司 微通道换热器
CN102390012A (zh) * 2011-08-12 2012-03-28 三花丹佛斯（杭州）微通道换热器有限公司 一种折弯换热器及其加工方法
JP5518104B2 (ja) * 2012-01-06 2014-06-11 三菱電機株式会社 熱交換器、室内機、および室外機
CN203132214U (zh) * 2013-03-20 2013-08-14 杭州三花微通道换热器有限公司 折弯式换热器
CN203274364U (zh) * 2013-03-21 2013-11-06 杭州三花微通道换热器有限公司 折弯式换热器
CN103411446B (zh) * 2013-08-28 2016-04-13 杭州三花微通道换热器有限公司 换热器
CN103925745B (zh) * 2014-05-06 2016-04-06 杭州三花微通道换热器有限公司 折弯式换热器

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5826649A (en) * 1997-01-24 1998-10-27 Modine Manufacturing Co. Evaporator, condenser for a heat pump
US6360817B1 (en) * 1999-12-22 2002-03-26 Visteon Global Technologies, Inc. Single heat exchanger
US7908126B2 (en) * 2005-04-28 2011-03-15 Emerson Climate Technologies, Inc. Cooling system design simulator
US7699095B2 (en) * 2006-03-29 2010-04-20 Delphi Technologies, Inc. Bendable core unit
US20080141525A1 (en) * 2006-11-22 2008-06-19 Johnson Controls Technology Company Method for Making a Shaped Multichannel Heat Exchanger
US20080202733A1 (en) * 2007-02-23 2008-08-28 Samuelson David E Bend relief spacer
US20090166017A1 (en) * 2007-12-27 2009-07-02 Denso Corporation Heat exchanger
US20110185574A1 (en) * 2008-08-08 2011-08-04 Delphi Technologies, Inc. Method for manufacturing a bent heat exchanger
US8479528B2 (en) * 2009-04-03 2013-07-09 Eaton-Williams Group Limited Heat exchanger for an equipment rack
US9062919B2 (en) * 2010-02-16 2015-06-23 Keihin Thermal Technology Corporation Condenser
US20160033182A1 (en) * 2013-03-15 2016-02-04 Carrier Corporation Heat exchanger for air-cooled chiller

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD805616S1 (en) * 2015-04-30 2017-12-19 Samwon Industrial Co., Ltd. Fin tube assembly for heat exchanger
US11085701B2 (en) 2015-12-30 2021-08-10 Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. Double-row bent heat exchanger
US11874066B2 (en) * 2018-07-04 2024-01-16 Zhejiang Dunan Thermal Technology Co., Ltd. Micro-channel heat exchanger
US20230204294A1 (en) * 2020-09-01 2023-06-29 Zhejiang Dunan Artificial Environment Co., Ltd. Combined heat exchanger
US12287150B2 (en) * 2020-09-01 2025-04-29 Zhejiang Dunan Artificial Environment Co., Ltd. Combined heat exchanger
US12516887B2 (en) 2021-05-25 2026-01-06 Danfoss A/S Heat exchanger and air conditioning system having same
US20240060727A1 (en) * 2022-08-18 2024-02-22 Mahle International Gmbh Fin device, heat exchanger having the same and method for manufacturing a fin device

Also Published As

Publication number Publication date
KR101897385B1 (ko) 2018-09-10
CN103925745A (zh) 2014-07-16
CN103925745B (zh) 2016-04-06
EP3141858B1 (fr) 2021-01-20
WO2015169231A1 (fr) 2015-11-12
EP3141858A4 (fr) 2018-01-24
EP3141858A1 (fr) 2017-03-15
MX386160B (es) 2025-03-18
MX2016014494A (es) 2017-04-06
KR20160148010A (ko) 2016-12-23

Similar Documents

Publication Publication Date Title
US20170059252A1 (en) Bent heat exchanger
US10539373B2 (en) Heat exchanger
US9528770B2 (en) Heat exchanger
US11085701B2 (en) Double-row bent heat exchanger
US10539374B2 (en) Fin and bending type heat exchanger having the fin
US10113811B2 (en) Tube for heat exchanger
EP2985559B1 (fr) Ailette de transfert de chaleur, échangeur de chaleur et dispositif à cycle frigorifique
US20170299283A1 (en) Header plate for a heat exchanger, header box and heat exchanger
US11585609B2 (en) Bent heat exchanger
US10415887B2 (en) Fin and micro-channel heat exchanger
CN203274572U (zh) 适于折弯的扁管和具有该扁管的换热器
US11493284B2 (en) Heat exchanger and fin
US12140388B2 (en) Flat tube and heat exchanger provided with same
CN105222635A (zh) 翅片以及具有该翅片的换热器
CN209294605U (zh) 一种v型卡箍
CN105987541A (zh) 换热器和具有该换热器的热泵热水器
JP6294709B2 (ja) 蒸発器用内面溝付伝熱管
JP6326133B2 (ja) Ｌ字部品用シース、および、ｌ字部品用シースを有する空気調和装置とヒートポンプ式湯沸し器
CN215295894U (zh) 一种内加强双管散热器
CN201057321Y (zh) 新型螺旋通风管路
CN104165143B (zh) 压缩机组件
US10551111B2 (en) Refrigerator
CN104165143A (zh) 压缩机组件

Legal Events

Date Code Title Description
AS Assignment

Owner name: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER CO.

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ZHOU, JING;GAO, QIANG;ZHONG, XIAOMING;REEL/FRAME:040604/0627

Effective date: 20161108

STPP Information on status: patent application and granting procedure in general

Free format text: FINAL REJECTION MAILED

STCV Information on status: appeal procedure

Free format text: NOTICE OF APPEAL FILED

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER

AS Assignment

Owner name: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER CO., LTD., CHINA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ZHOU, JING;GAO, QIANG;ZHONG, XIAOMING;REEL/FRAME:053572/0856

Effective date: 20161108

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION