WO2022218428A1 - 换热器加工方法和用于换热器加工的推动装置 - Google Patents

换热器加工方法和用于换热器加工的推动装置 Download PDF

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Publication number
WO2022218428A1
WO2022218428A1 PCT/CN2022/087208 CN2022087208W WO2022218428A1 WO 2022218428 A1 WO2022218428 A1 WO 2022218428A1 CN 2022087208 W CN2022087208 W CN 2022087208W WO 2022218428 A1 WO2022218428 A1 WO 2022218428A1
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WIPO (PCT)
Prior art keywords
heat exchange
heat exchanger
section
exchange tube
curved section
Prior art date
Application number
PCT/CN2022/087208
Other languages
English (en)
French (fr)
Inventor
胡琼
位征
张月
Original Assignee
杭州三花微通道换热器有限公司
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.)
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Application filed by 杭州三花微通道换热器有限公司 filed Critical 杭州三花微通道换热器有限公司
Priority to JP2023563305A priority Critical patent/JP2024517625A/ja
Priority to EP22787650.5A priority patent/EP4325153A1/en
Publication of WO2022218428A1 publication Critical patent/WO2022218428A1/zh

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    • 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
    • F28D1/0471—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 the conduits having a non-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
    • F28D1/0475—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 the conduits having a single U-bend
    • F28D1/0476—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 the conduits having a single U-bend the conduits having a non-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
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0435—Combination of units extending one behind the other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05391—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/025—Tubular elements of cross-section which is non-circular with variable shape, e.g. with modified tube ends, with different geometrical features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • 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
    • F28F1/14—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 longitudinally
    • F28F1/20—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 longitudinally the means being attachable to the element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • 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

Definitions

  • the present disclosure relates to the technical field of heat exchange, and in particular, to a heat exchanger processing method and a pushing device for heat exchanger processing.
  • Micro-channel heat exchangers are widely used in the field of air conditioning.
  • micro-channel heat exchangers include multiple heat exchange tubes.
  • the heat exchange tubes are twisted and bent to form two or more rows of heat exchangers. In this way, there will be overlapping or overlapping of local heat exchange tubes in the curved parts of adjacent heat exchange tubes. After the heat exchanger is put into use, the dust and moisture in the air will enter the overlapping and contact parts of the heat exchange tubes, accelerating the exchange of this part.
  • the corrosion of the heat pipe affects the reliability of the heat exchange pipe.
  • in order to keep the curved sections of the heat exchange tubes out of contact it is necessary to increase the distance between adjacent heat exchange tubes. In the limited heat exchange area, increasing the distance between adjacent heat exchange tubes will reduce the number of heat exchange tubes and affect the heat exchange performance.
  • the embodiments of the present disclosure propose a heat exchanger processing method, which makes the curved section of one heat exchange tube not contact the curved section of another adjacent heat exchange tube, and does not increase the phase
  • the distance between adjacent heat exchange tubes is beneficial to improve the reliability and heat exchange performance of the heat exchanger.
  • Embodiments of the present disclosure also provide a pushing device for processing a heat exchanger, the pushing device can rotate a curved section by a predetermined angle or move a predetermined distance relative to the first section connected to it, so as to make the curved section of a heat exchange tube It is not in contact with the curved section of another adjacent heat exchange tube.
  • the method for processing a heat exchanger includes the following steps: providing the heat exchanger, the heat exchanger including a first tube, a second tube and a heat exchange tube, the heat exchange tube communicating with the first tube A tube and the second tube, the heat exchange tube includes a first section, a second section and a curved section, one end of the curved section is connected to the first section, and the other end of the curved section is connected to the first section Two sections, the bending section of the heat exchange tube includes a twist section, there are multiple heat exchange tubes, the first sections of the multiple heat exchange tubes are arranged at intervals along the length direction of the first tube, and the plurality of heat exchange tubes are arranged at intervals along the length direction of the first tube.
  • the second section of the heat exchange tube is arranged at intervals along the length direction of the first tube, and before the heat exchanger is processed, the curved section of one of the heat exchange tubes and the length direction of the first tube are contacting at least part of the curved section of the other adjacent heat exchange tube; placing a pusher so that at least part of the pusher is in contact with at least part of the curved section of at least one of the heat exchange tubes; moving the pusher to drive the curved section to rotate a predetermined angle or move a predetermined distance relative to the first section connected thereto, and/or move the curved section of the heat exchange tube to make the curved section Rotate a predetermined angle or move a predetermined distance relative to the first section connected to it, so that the bent section of the processed one of the heat exchange tubes is adjacent to the heat exchange tube in the length direction of the first tube.
  • the curved sections of the heat pipe do not touch.
  • the pusher is used to keep the curved section of one heat exchange tube from contacting the curved section of another adjacent heat exchange tube, which can reduce the dust and moisture in the air that are trapped in the curved section.
  • the accumulation of the torsion section can slow down the corrosion of the heat exchange tube, thereby helping to improve the reliability of the heat exchanger.
  • the distance between adjacent heat exchange tubes does not increase, so it is beneficial to improve the heat exchange performance of the heat exchanger.
  • the heat exchanger processing method of the embodiment of the present disclosure is beneficial to improve the reliability and heat exchange performance of the heat exchanger.
  • the twisted section is formed by twisting at least part of the curved section of the heat exchange tube relative to the first section of the heat exchange tube, and the pusher moves to make the pusher and part of the bend The position of the segments in the length direction of the first tube changes.
  • the heat exchange tube includes a first side surface and a second side surface arranged along the first direction
  • the heat exchange tube includes a third side surface and a fourth side surface arranged along the second direction
  • the pusher During the moving process, it is in contact with a part of the third side surface of at least one of the curved segments, so as to drive the curved segment to rotate by a predetermined angle or move a predetermined distance relative to the first segment to which it is connected.
  • the pusher is in contact with a part of the second side surface of at least one of the curved segments during the movement, so as to drive the curved segment to rotate relative to the first segment to which it is connected by a predetermined angle or Move a predetermined distance.
  • the pusher is in contact with a plurality of the curved segments at the same time in the process of moving, so as to drive the plurality of the curved segments to rotate a predetermined angle or move a predetermined angle relative to the first segment to which they are respectively connected. distance.
  • the pusher includes a rotating portion and a shaft
  • the rotating portion includes at least a part of a circumferential surface
  • the circumferential surface of the rotating portion is connected to at least one of the heat exchange tubes. parts of the curved segments are in contact.
  • the rotating part rotates around the axis of the shaft, and the rotation direction of the rotating part is the same as that of the first segment to which the curved segment is connected. Turn in the opposite direction.
  • the rotation direction of the rotating portion is opposite to the moving direction of the pushing member.
  • the heat exchange tubes are microchannel flat tubes.
  • a pushing device for heat exchanger processing wherein the heat exchanger includes a heat exchange tube, the heat exchange tube includes a first section, a second section and a curved section, and one end of the curved section is connected to the The first section, the other end of the curved section is connected to the second section, the pushing device is used to push the curved section of the heat exchange tube to rotate a predetermined angle or move a predetermined distance, and the pushing device includes a pushing member , the pusher includes an outer surface, and the surface hardness of at least part of the outer surface is less than or equal to the surface hardness of the heat exchange tube.
  • the pushing device for heat exchanger processing can push the heat exchange tube to rotate or move, so that the bending section of the heat exchange tube of the heat exchanger rotates by a predetermined angle or moves a predetermined distance relative to the first section connected thereto, Further, the curved section of one heat exchange tube is not in contact with the curved section of another adjacent heat exchange tube, therefore, the accumulation of dust and moisture in the air in the torsion section of the curved section of the heat exchange tube can be reduced, and the heat exchange tube is slowed down. corrosion.
  • the surface hardness of the outer surface of the pusher is less than or equal to the surface hardness of the heat exchange tube, which can prevent the heat exchange tube from being squeezed and deformed or the surface being scratched.
  • the pushing device for processing a heat exchanger can slow down the corrosion of the heat exchange tube, which is beneficial to improve the reliability and heat exchange performance of the heat exchange tube.
  • the outer surface of the pusher includes a circular arc surface or an inclined surface, and the surface hardness of at least part of the circular arc surface or the inclined surface is less than or equal to the surface hardness of the heat exchange tube.
  • the heat exchange tube includes a first side surface and a second side surface arranged along the first direction
  • the heat exchange tube includes a third side surface and a fourth side surface arranged along the second direction
  • the pusher It includes a circular arc surface and a flat surface, the circular arc surface of the pusher is in contact with the third side surface of the curved segment, and the pusher can drive the curved segment to rotate relative to the first segment to which it is connected by a predetermined angle or Move a predetermined distance.
  • the pushing member includes: a circular member including a circumferential surface and a first hole; and a shaft located in the first hole, the circumferential surface surrounding the first hole Axisymmetric settings.
  • the circular piece is connected to the shaft, and the circumferential surface of the circular piece can be in contact with a portion of the curved section of at least one of the heat exchange tubes.
  • the pusher further includes: a protruding part, the protruding part is connected to the circumferential surface and is located on the outer side of the circumferential surface, the protruding part is multiple, and the multiple protruding parts are The raised portions are arranged at intervals along the circumferential direction of the circumferential surface.
  • the heat exchange tube includes a first side surface and a second side surface arranged along the first direction
  • the heat exchange tube includes a third side surface and a fourth side surface arranged along the second direction
  • the pusher One side of the protruding portion can be in contact with the third side surface of the curved segment.
  • the pushing member further comprises: a supporting member, and both ends of the shaft are connected with the supporting member.
  • the curved section of the heat exchange tube includes a torsion section, the number of the heat exchange tube is multiple, and the first sections of the plurality of heat exchange tubes are arranged at intervals along the length direction of the first tube, The second sections of a plurality of the heat exchange tubes are arranged at intervals along the length direction of the first tubes.
  • the curved section of one of the heat exchange tubes is connected to the first tube in the first tube.
  • At least part of the curved section of another adjacent heat exchange tube in the length direction is in contact with each other, wherein during the movement of the pushing member, the circular member can rotate around the axis of the shaft, so The rotation direction of the circular piece is opposite to the rotation direction of the curved section relative to the first section of the heat exchange tube.
  • the position of the top end of the pusher is higher than the position of the bottom end of the curved section of the heat exchange tube.
  • the distance D between the top end of the pushing member and the bottom end of the curved section of the heat exchange tube is greater than or equal to the moving distance B of the bottom of the curved section in the up-down direction.
  • FIG. 1 is a front view of a heat exchanger to be processed according to an embodiment of the present disclosure.
  • FIG. 2 is a schematic diagram of the heat exchange tube in FIG. 1 .
  • FIG 3 is a schematic diagram of a processed heat exchanger according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of the heat exchange tube in FIG. 3 .
  • FIG 5 is one of the schematic diagrams of the heat exchanger in the heat exchanger processing method according to the first embodiment of the present disclosure.
  • FIG 6 is the second schematic diagram of the heat exchanger in the heat exchanger processing method according to the first embodiment of the present disclosure.
  • FIG 7 is one of the schematic diagrams of the heat exchanger in the heat exchanger processing method according to the second embodiment of the present disclosure.
  • FIG 8 is the second schematic diagram of the heat exchanger in the heat exchanger processing method according to the second embodiment of the present disclosure.
  • FIG 9 is one of the schematic diagrams of the heat exchanger in the heat exchanger processing method according to the third embodiment of the present disclosure.
  • FIG 10 is the second schematic diagram of the heat exchanger in the heat exchanger processing method according to the third embodiment of the present disclosure.
  • FIG 11 is one of the schematic diagrams of the heat exchanger in the heat exchanger processing method according to the fourth embodiment of the present disclosure.
  • FIG. 12 is a schematic diagram of a heat exchanger in a heat exchanger processing method according to a fourth embodiment of the present disclosure.
  • FIG. 13 is a schematic diagram of a heat exchanger in a heat exchanger processing method according to a fifth embodiment of the present disclosure.
  • FIG. 14 is a schematic diagram of a heat exchanger in a method for manufacturing a heat exchanger according to a fifth embodiment of the present disclosure.
  • 15 is a schematic diagram of a pusher for heat exchanger processing according to one embodiment of the present disclosure.
  • 16 is a schematic diagram of a pushing device for heat exchanger processing according to another embodiment of the present disclosure.
  • 17 is a schematic diagram of a pushing device for heat exchanger processing according to yet another embodiment of the present disclosure.
  • FIG. 18 is a schematic diagram of a pushing device for heat exchanger processing according to yet another embodiment of the present disclosure.
  • Figure 19 is a schematic view of the processed heat exchanger.
  • FIG. 20 is a schematic three-dimensional structure diagram of a heat exchange tube.
  • header 10 first pipe 11; second pipe 12;
  • Heat exchange tube 20 first section 21; second section 22; curved section 23; torsion section 231;
  • the method for processing a heat exchanger includes the following steps:
  • the heat exchanger 100 includes a first tube 11, a second tube 12 and a heat exchange tube 20.
  • the heat exchange tube 20 is a microchannel flat tube, and the heat exchange tube 20 communicates with the first tube 11 and the second tube 12.
  • the heat exchange tube 20 includes a first section 21, a second section 22 and a curved section 23. One end of the curved section 23 is connected to the first section 21, and the other end of the curved section 23 is connected to the second section 22.
  • the heat exchange tube 20 is a plurality of , a plurality of heat exchange tubes 20 are arranged at intervals along the length direction of the first tube 11, and the curved section 23 of one heat exchange tube 20 is adjacent to the other one in the length direction of the first tube 11 (the left and right direction in FIG. 1 ). At least part of the curved section 23 of one heat exchange tube 20 is in contact.
  • the first sections 21 of the plurality of heat exchange tubes 20 are arranged at intervals along the length direction of the first tubes 11
  • the second sections 22 of the plurality of heat exchange tubes 20 are arranged along the length direction of the first tubes 11 . interval setting.
  • the curved section 23 of the heat exchange tube 20 includes a twisted section 231 formed by twisting at least part of the curved section 23 of the heat exchange tube 20 relative to the first section 21 of the heat exchange tube 20 . Specifically, at least part of the curved section 23 of the heat exchange tube 20 is twisted to the left relative to the first section 21 to form a twisted section 231 , and the twisted section 231 of the curved section 23 of one heat exchange tube 20 exchanges heat with another adjacent one. At least part of the twisted section 231 of the curved section 23 of the tube 20 is in contact.
  • the first tube 11 and the second tube 12 are the headers 10 of the heat exchanger 100 .
  • the heat exchanger 100 further includes side plates 30 and fins 40. The side plates 30 are arranged on the left and right sides of the heat exchanger 100. The fins 40 are connected to the heat exchange tubes 20. The arrangement of the fins 40 is based on the Types and usage scenarios are selected.
  • the pusher 50 is placed so that at least a portion of the pusher 50 is in contact with at least a portion of the curved section 23 of the at least one heat exchange tube 20 .
  • the pusher 50 is placed under the heat exchanger 100 , and the top of the pusher 50 is in contact with the bottom of the curved section 23 of the heat exchange tube 20 , And the position of the top end of the pushing member 50 is higher than the position of the bottom end of the curved section 23 of the heat exchange tube 20 . That is, the top of the pusher 50 is in contact with at least the right side of the bottom of the curved section 23 .
  • the curved section 23 can rotate a predetermined angle or move a predetermined distance relative to the first section 21 to which it is connected.
  • the curved section 23 of one heat exchange tube 20 is not in contact with the curved section 23 of the adjacent heat exchange tube 20 in the longitudinal direction of the first tube 11 . That is, there is a gap between the curved section 23 of one heat exchange tube 20 and the curved section 23 of one or two adjacent heat exchange tubes 20 in the length direction of the first tube 11.
  • the movement of the pusher 50 includes translation and rotation. That is to say, the pusher 50 can be rotated to drive the curved segment 23 to rotate relative to the first segment 21 to which it is connected by a predetermined angle or to move a predetermined distance, and the pusher 50 can also be translated to drive the curved segment 23 to rotate relative to the first segment 21 to which it is connected. a predetermined angle or move a predetermined distance.
  • the curved section 23 rotates by an angle A relative to the first section 21 , and at the same time, the bottom of the curved section 23 moves a distance B in the up-down direction and a distance C in the left-right direction.
  • the pusher 50 moves and translates in the length direction of the first tube 11 , that is, the position of the pusher 50 in the length direction of the first tube 11 (the left and right direction in FIG. 1 ) changes, and the heat exchanger 100 has more
  • the curved sections 23 of each heat exchange tube 20 are rotated by a predetermined angle or moved a predetermined distance relative to the first section 21 connected to each of them in turn.
  • the pushing member 50 is moved relative to the curved section 23 of the heat exchange tube 20 , so that the curved section 23 of one heat exchange tube 20 and the curved section of another adjacent heat exchange tube 20 are moved relative to each other.
  • 23 is not in contact, so it can reduce the accumulation of dust and moisture in the air at the torsion section 231 of the curved section 23, which can slow down the corrosion of the heat exchange tube 20, thereby helping to improve the reliability of the heat exchanger.
  • the distance between adjacent heat exchange tubes 20 does not increase, so it is beneficial to improve the heat exchange performance of the heat exchanger 100
  • the heat exchanger processing method of the embodiment of the present disclosure is beneficial to improve the reliability and heat exchange performance of the heat exchanger 100 .
  • the heat exchange tube 20 includes a first side surface and a second side surface arranged along the first direction, and the heat exchange tube 20 includes a third side surface and a second side surface arranged along the second direction.
  • the first direction is the thickness direction of the first section 21 (the left-right direction in FIG. 1 )
  • the second direction is the first section 21 .
  • the first side, the second side, the third side and the fourth side are planes; in the curved section 23 and the torsion section 231 of the heat exchange tube 20, the first direction and the second direction are not fixed, the first The direction and the second direction are changed with the twisting of the curved section 23, and the first side, the second side, the third side and the fourth side are curved surfaces.
  • the projections of the first side surface, the second side surface, the third side surface and the fourth side surface of the heat exchange tube 20 on the cross section of the heat exchange tube 20 enclose the outer peripheral contour of the heat exchange tube 20 on the cross section.
  • the pusher 50 is in contact with a part of the third side surface of at least one curved segment 23 during the moving process, so as to drive the curved segment 23 to rotate a predetermined angle or move relative to the first segment 21 to which it is connected. predetermined distance.
  • the pusher 50 has a circular arc surface 51, and the pusher 50 translates from right to left.
  • the circular arc surface 51 of the pusher 50 In contact with the third side surface of the curved segment 23, the curved segment 23 is driven to rotate a predetermined angle or move a predetermined distance relative to the first segment 21 to which it is connected.
  • the position of the top of the pusher 50 is higher than the position of the bottom of the curved section 23 of the heat exchange tube 20 , and the distance between the top of the pusher 50 and the bottom of the curved section 23 of the heat exchange tube 20 is D. It can be understood that, if D is greater than or equal to B, increasing the number of times the pusher 50 translates from right to left can increase the value of B, and if the value of D is increased, the value of B can also be increased.
  • the pusher 50 includes a rotating portion and a shaft 502 .
  • the rotating portion includes at least part of the circumferential surface, and the circumferential surface of the rotating portion is in contact with a portion of the curved section 23 of the at least one heat exchange tube 20 .
  • the rotating part can be rotated around the axis of the shaft 502 by a certain angle, and the pusher 50 does not need to be replaced, so that the replacement can be continued.
  • the processing of the heater 100 increases the service life of the pusher 50 and improves the processing efficiency.
  • the rotating part rotates around the axis of the shaft 502 , and the rotation direction of the rotating part is relative to the first segment 21 to which the curved segment 23 is connected.
  • the direction of rotation is opposite. It can be understood that when the rotating part rotates counterclockwise, the pushing member 50 moves from right to left, and the rotation direction of the rotating part is the same as the overall moving direction of the pushing member 50 .
  • the external force drives the rotating part to rotate around the axis of the shaft 502 , and the rotation direction of the rotating part is the same as that of the pushing member 50 .
  • the moving direction is the same, so that the processing efficiency can be improved.
  • the horizontal thrust of the pusher 50 on the heat exchange tube 20 is reduced when moving, which can improve the deformation of the heat exchanger 100 .
  • the pushing member 50 includes a circular member 501 and a raised portion 504 , the circular member 501 can rotate around its axis, and the raised portion 504 is provided on the outer peripheral surface of the circular member 501 , There are multiple protruding portions 504 , and the multiple protruding portions 504 are arranged at intervals along the circumferential direction of the circular member 501 .
  • the circular member 501 rotates counterclockwise, and the pushing member 50 translates from left to right, that is, the rotation direction of the circular member 501 is opposite to the moving direction of the pushing member 50.
  • the protrusion of the pushing member 50 is The portion 504 is in contact with the third side of the curved section 23 .
  • the position of the top of the pusher 50 is higher than the position of the bottom of the curved section 23 of the heat exchange tube 20 , and the distance between the top of the pusher 50 and the bottom of the curved section 23 of the heat exchange tube 20 is D. It can be understood that, D is greater than or equal to B, increasing the number of times the pusher 50 translates from left to right can increase the value of B, and increasing the value of D can also increase the value of B.
  • the convex portion 504 of the pushing member 50 is in contact with the third side surface of the curved section 23, and the circular member 501 rotates so that the convex portion 504 drives the curved section 23 to connect with the third side surface thereof.
  • a section 21 rotates a predetermined angle or moves a predetermined distance
  • the circular member 501 rotates counterclockwise
  • the push member 50 translates from left to right.
  • the rotation angles or moving distances are equal, which is beneficial to improve the appearance of the heat exchanger 100
  • the heat exchange tubes 20 are not subject to the thrust in the horizontal direction, which can improve the deformation of the heat exchanger 100 , that is, the deformation amount of the heat exchanger 100 can be reduced.
  • the pusher 50 in the process of moving, also contacts with a part of the second side surface of at least one curved segment 23 to drive the first curved segment 23 to which the curved segment 23 is connected.
  • the segment 21 is rotated by a predetermined angle or moved by a predetermined distance.
  • the pusher 50 is a flexible material
  • the pusher 50 contacts the curved section 23 from bottom to top, and presses the pusher 50 to deform the upper surface of the pusher 50 and contact the second side of the curved section 23 .
  • the pusher 50 moves from right to left, and under the action of frictional force, drives the curved section 23 to rotate a predetermined angle or move a predetermined distance relative to the first section 21 connected thereto.
  • the pushing member 50 contacts with the plurality of curved segments 23 simultaneously during the movement, so as to drive the plurality of curved segments 23 to rotate by a predetermined angle or move a predetermined distance relative to the first segment 21 connected to them.
  • the pusher 50 can drive the curved section 23 to rotate by a predetermined angle or move a predetermined distance relative to the first section 21 connected thereto when the pusher 50 moves, so that positioning is not necessary, the processing technology is simplified, and the processing efficiency.
  • the pushing device for heat exchanger processing is used to push the heat exchange tube 20 to rotate or move.
  • the pushing device includes a pushing member 50 , and the pushing member 50 includes an outer surface, and the surface hardness of at least part of the outer surface is less than or equal to the surface hardness of the heat exchange tube 20 .
  • the pusher includes a circular arc surface 51 or an inclined surface, and the surface hardness of at least part of the circular arc surface 51 or the inclined surface is less than or equal to the surface hardness of the heat exchange tube 20 .
  • the circular arc surface 51 or the inclined surface of the pusher can be in contact with the heat exchange tube 20 , so it can push the curved section 23 of the heat exchange tube 20 to rotate a predetermined angle or move a predetermined distance relative to the first section 21 of the heat exchange tube 20 .
  • the position of the top end of the push member 50 is higher than the position of the bottom end of the curved section 23 of the heat exchange tube 20 , and the distance between the top end of the push member 50 and the bottom end of the curved section 23 of the heat exchange tube 20 for D. It can be understood that, if D is greater than or equal to B, increasing the number of times the pusher 50 translates from right to left can increase the value of B, and if the value of D is increased, the value of B can also be increased.
  • the moving of the pushing member or the movement of the heat exchanger can rotate the curved section 23 of the heat exchange tube 20 of the heat exchanger 100 by a predetermined angle relative to the first section 21 connected thereto. Or move a predetermined distance, so that the curved section 23 of one heat exchange tube 20 is not in contact with the curved section 23 of another adjacent heat exchange tube 20, therefore, the dust and moisture in the air can be reduced in the curved section of the heat exchange tube 20.
  • the torsion section 231 of 23 accumulates, thereby slowing down the corrosion of the heat exchange tube 20, which is beneficial to improve the reliability of the heat exchange tube.
  • the surface hardness of the outer surface of the pusher 50 is less than or equal to the surface hardness of the heat exchange tube 20, which can prevent the heat exchange tube 20 from being squeezed and deformed or the surface is scratched, which is beneficial to improve the reliability of the heat exchange tube.
  • the pushing device for processing a heat exchanger can reduce the accumulation of dust and moisture in the air in the torsion section 231 of the curved section 23 of the heat exchange tube 20 of the heat exchanger 100, and can also avoid heat exchange
  • the tube 20 is squeezed and deformed or the surface is scratched, which is beneficial to improve the reliability of the heat exchange tube.
  • the pusher 50 has a circular arc surface 51 and a flat surface 52 .
  • the pusher 50 translates from right to left.
  • the circular arc surface 51 of the pusher 50 In contact with the third side surface of the curved segment 23, the curved segment 23 is driven to rotate a predetermined angle or move a predetermined distance relative to the first segment 21 to which it is connected.
  • the upper plane 52 of the pushing member 50 can still contact the curved section 23, which can prevent the curved section 23 from returning to a certain extent.
  • the pushing member 50 of the pushing device for heat exchanger processing includes a circular member 501 and a shaft 502 . At least part of the outer peripheral surface of the circular member 501 forms a circular arc surface 51 .
  • the circular piece 501 has a shaft hole (ie, a first hole), and the circular piece 501 is sleeved on the shaft 502 .
  • the circular member 501 and the shaft 502 are fixedly connected.
  • the circumferential surface of the circular piece 501 is in contact with a portion of the curved section 23 of the at least one heat exchange tube 20 .
  • the circular piece 501 can be rotated around the axis of the shaft 502 by a certain angle, and there is no need to replace the pushing piece 50, so that the processing of the heat exchanger 100 can be continued, and the pushing force is improved.
  • the service life of the piece 50 can also be improved, and the processing efficiency can also be improved.
  • the circular member 501 can rotate around its axis relative to the shaft 502 , and both ends of the shaft 502 are connected with the support member 503 .
  • the circular member 501 rotates around the axis of the shaft 502, and the rotation direction of the circular member 501 is opposite to the rotation direction of the curved section 23 relative to the first section 21 to which it is connected. It can be understood that when the circular member 501 rotates counterclockwise, the push member 50 moves from right to left, and the rotation direction of the rotating portion is the same as the overall movement direction of the push member 50 .
  • the pusher 50 can improve the processing efficiency of the heat exchanger 100 , and in addition, the horizontal thrust of the pusher 50 on the heat exchange tube 20 is reduced when the pusher 50 moves, which can improve the deformation of the heat exchanger 100 , that is, the deformation of the heat exchanger 100 can be reduced. amount of deformation.
  • the pusher 50 of the pusher for heat exchanger processing includes a circular piece 501 , a shaft 502 and a boss 504 .
  • the circular piece 501 includes a circumferential surface and a first hole (not shown in the figure).
  • the shaft 502 is located in the first hole, and the circumferential surface of the circular member 501 is symmetrically arranged around the shaft 502 . That is to say, the shaft 502 is matched with the first hole, and the distance between the center line of the shaft 502 and the circumferential surface of the circular member 501 is the same.
  • the projected outer contour of the shaft 502 on one end surface of the circular piece 501 is a first circle
  • the projection of the circumferential surface of the circular piece 501 on the end surface is a second circle
  • the first circle is concentric with the second circle.
  • the raised portions 504 are connected to the circumferential surface of the circular member 501 and are located outside the circumferential surface. It can be understood that the outer side of the circumferential surface is the side of the circumferential surface away from the shaft 502 .
  • the circular piece 501 rotates counterclockwise around the axis of the shaft 502, and the pushing piece 50 translates from left to right, that is, the rotation direction of the circular piece 501 is the same as that of the circular piece 501.
  • the moving direction of the pusher 50 is opposite.
  • one side of the protruding portion 504 of the pusher 50 is in contact with the third side surface of the curved section 23 .
  • the rotation angle or the moving distance of the curved section 23 of each heat exchange tube 20 is equal, which is beneficial to improve the heat exchanger.
  • the appearance of the heat exchanger 100 is beautiful, and the heat exchange tube 20 is not subject to the thrust in the horizontal direction, so the deformation of the heat exchanger 100 can be improved, that is, the deformation amount of the heat exchanger 100 can be reduced.
  • first and second are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with “first”, “second” may expressly or implicitly include at least one of that feature.
  • plurality means at least two, such as two, three, etc., unless expressly and specifically defined otherwise.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two components or the interaction relationship between the two components, unless otherwise expressly qualified.
  • installed installed
  • connected connected
  • fixed a detachable connection
  • it can be a mechanical connection or an electrical connection or can communicate with each other
  • it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two components or the interaction relationship between the two components, unless otherwise expressly qualified.
  • the specific meanings of the above terms in the present disclosure can be understood according to specific situations.
  • a first feature "on” or “under” a second feature may be in direct contact with the first and second features, or indirectly through an intermediary between the first and second features touch.
  • the first feature being “above”, “over” and “above” the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
  • the first feature being “below”, “below” and “below” the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.
  • the terms “one embodiment,” “some embodiments,” “example,” “specific example,” or “some examples,” etc. mean a specific feature, structure, material, or Features are included in at least one embodiment or example of the present disclosure.
  • schematic representations of the above terms are not necessarily directed to the same embodiment or example.
  • the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
  • those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

Abstract

提供了换热器加工方法和用于换热器加工的推动装置。所述换热器加工方法包括以下步骤：准备换热器，换热器中一个换热管的弯曲段与其在第一管的长度方向上相邻的另一个换热管的弯曲段的至少部分接触；放置推动件，使推动件的至少部分与至少一个换热管的弯曲段的至少部分相接触；移动推动件，以带动弯曲段相对其连接的第一段转动预定角度或移动预定距离，和/或，移动换热管，以使弯曲段相对其连接的第一段转动预定角度或移动预定距离，从而使一个换热管的弯曲段与其在第一管的长度方向上相邻的换热管的弯曲段不接触。

Description

换热器加工方法和用于换热器加工的推动装置
相关申请的交叉引用
本申请要求在2021年4月16日在中国提交的中国专利申请号No.202110413029.2的优先权，其全部内容通过引用并入本文。
技术领域
本公开涉及换热技术领域，具体地，涉及一种换热器加工方法和用于换热器加工的推动装置。
背景技术
微通道换热器广泛应用在空调领域，相关技术中，微通道换热器包括多个换热管，为了增加换热面积，换热管会进行扭转弯曲以形成两排或多排换热器，如此相邻换热管的弯曲部分会出现局部换热管的搭接或者重叠，在换热器投入使用后，空气中的灰尘和水分会进入换热管重叠接触的部分，加速该部分换热管的腐蚀，影响换热管的可靠性。相关技术中，为了使换热管弯曲段不接触，需要增加相邻换热管之间的距离。在有限的换热面积内，增加相邻换热管之间的距离会减少换热管的数量，影响换热性能。
发明内容
为此，本公开的实施例提出一种换热器加工方法，该换热器加工方法使一个换热管的弯曲段与相邻的另一个换热管的弯曲段不接触，且不增加相邻换热管之间的距离，有利于提高换热器的可靠性和换热性能。
本公开的实施例还提出一种用于换热器加工的推动装置，该推动装置能够使弯曲段相对其连接的第一段转动预定角度或移动预定距离，进而使一个换热管的弯曲段与相邻的另一个换热管的弯曲段不接触。
根据本公开实施例的换热器加工方法，包括以下步骤：提供所述换热器，所述换热器包括第一管、第二管和换热管，所述换热管连通所述第一管和所述第二管，所述换热管包括第一段、第二段和弯曲段，所述弯曲段的一端连接所述第一段，所述弯曲段的另一端连接所述第二段，所述换热管的弯曲段包括扭转段，所述换热管为多个，多个所述换热管的第一段沿所述第一管的长度方向间隔设置，多个所述换热管的第二段沿所述第一管的长度方向间隔设置，所述换热器在加工前，一个所述换热管的所述弯曲段与其在所述第一管的长度方向上相邻的另一个所述换热管的所述弯曲段的至少部分接触；放置推动件，使推动件的至少部分与至少一个所述换热管的所述弯曲段的至少部分相接触；移动所述推动件， 以带动所述弯曲段相对其连接的所述第一段转动预定角度或移动预定距离，和/或移动所述换热管的所述弯曲段，以使所述弯曲段相对其连接的所述第一段转动预定角度或移动预定距离，从而使加工后的一个所述换热管的所述弯曲段与其在所述第一管的长度方向上相邻的所述换热管的所述弯曲段不接触。
根据本公开实施例的换热器加工方法，利用推动件使一个换热管的弯曲段与相邻的另一个换热管的弯曲段不接触，能够减少空气中的灰尘和水分在弯曲段的扭转段积聚，能够减缓换热管被腐蚀，从而有利于提高换热器的可靠性。此外，相邻换热管之间的距离不增加，因此有利于提高换热器的换热性能。
由此，本公开实施例的换热器加工方法有利于提高换热器的可靠性和的换热性能。
在一些实施例中，所述扭转段由所述换热管的至少部分弯曲段相对所述换热管的第一段扭转形成，所述推动件移动以使所述推动件及部分所述弯曲段在所述第一管的长度方向上的位置发生变化。
在一些实施例中，所述换热管包括沿第一方向设置的第一侧面和第二侧面，所述换热管包括沿第二方向设置的第三侧面和第四侧面，所述推动件在移动的过程中，与至少一个所述弯曲段的部分第三侧面相接触，以带动所述弯曲段相对其连接的所述第一段转动预定角度或移动预定距离。
在一些实施例中，所述推动件在移动的过程中，与至少一个所述弯曲段的部分第二侧面相接触，以带动所述弯曲段相对其连接的所述第一段转动预定角度或移动预定距离。
在一些实施例中，所述推动件在移动的过程中，同时与多个所述弯曲段接触，以带动多个所述弯曲段相对其各自相连的所述第一段转动预定角度或移动预定距离。
在一些实施例中，所述推动件包括转动部和轴，所述转动部包括至少部分圆周面，所述推动件移动的过程中，所述转动部的圆周面与至少一个所述换热管的所述弯曲段的部分相接触。
在一些实施例中，在所述推动件移动的过程中，所述转动部绕所述轴的轴线旋转，所述转动部的旋转方向与所述弯曲段相对其连接的所述第一段的转动方向相反。
在一些实施例中，在所述推动件移动过程中，所述转动部的旋转方向与所述推动件的移动方向相反。
在一些实施例中，所述换热管为微通道扁管。
一种用于换热器加工的推动装置，其中所述换热器包括换热管，所述换热管包括第一段、第二段和弯曲段，所述弯曲段的一端连姐所述第一段，所述弯曲段的另一端连接所述第二段，所述推动装置用于推动所述换热管的所述弯曲段转动预定角度或移动预定距离，所述推动装置包括推动件，所述推动件包括外表面，至少部分所述外表面的表面硬度小于 或等于所述换热管的表面硬度。
根据本公开实施例的用于换热器加工的推动装置，能够推动换热管转动或移动，使换热器的换热管弯曲段相对其连接的第一段转动预定角度或移动预定距离，进而使一个换热管的弯曲段与相邻的另一个换热管的弯曲段不接触，因此，能够减少空气中的灰尘和水分在换热管弯曲段的扭转段积聚，减缓换热管被腐蚀。
此外，推动件的外表面的表面硬度小于或等于换热管的表面硬度，能避免换热管被挤压变形或者表面被划伤。
由此，本公开实施例的用于换热器加工的推动装置能够减缓换热管被腐蚀，有利于提高换热管的可靠性和换热性能。
在一些实施例中，所述推动件的外表面包括圆弧面或斜面，至少部分所述圆弧面或斜面的表面硬度小于或等于所述换热管的表面硬度。
在一些实施例中，所述换热管包括沿第一方向设置的第一侧面和第二侧面，所述换热管包括沿第二方向设置的第三侧面和第四侧面，所述推动件包括圆弧面和平面，所述推动件的圆弧面与所述弯曲段的第三侧面相接触，所述推动件能够带动所述弯曲段相对其连接的所述第一段转动预定角度或移动预定距离。
在一些实施例中，所述推动件包括：圆形件，所述圆形件包括圆周面和第一孔；和轴，所述轴位于所述第一孔内，所述圆周面绕所述轴对称设置。
在一些实施例中，所述圆形件和所述轴连接，所述圆形件的所述圆周面能够与至少一个所述换热管的所述弯曲段的部分相接触。
在一些实施例中，所述推动件还包括：凸起部，所述凸起部与所述圆周面连接，且位于所述圆周面的外侧，所述凸起部为多个，多个所述凸起部沿着所述圆周面的周向间隔设置。
在一些实施例中，所述换热管包括沿第一方向设置的第一侧面和第二侧面，所述换热管包括沿第二方向设置的第三侧面和第四侧面，所述推动件的所述凸起部的一侧能够与所述弯曲段的第三侧面相接触。
在一些实施例中，所述推动件还包括：支撑件，所述轴的两端与所述支撑件相连。
在一些实施例中，所述换热管的弯曲段包括扭转段，所述换热管为多个，多个所述换热管的第一段沿所述第一管的长度方向间隔设置，多个所述换热管的第二段沿所述第一管的长度方向间隔设置，所述换热器在加工前，一个所述换热管的所述弯曲段与其在所述第一管的长度方向上相邻的另一个所述换热管的所述弯曲段的至少部分接触，其中所述推动件在移动的过程中，所述圆形件能够绕所述轴的轴线旋转，所述圆形件的旋转方向与所述弯曲段相对所述换热管的第一段的转动方向相反。
在一些实施例中，所述推动件的顶端的位置高于所述换热管的所述弯曲段的底端的位置。
在一些实施例中，所述推动件的顶端与所述换热管的所述弯曲段的底端的距离D大于或等于所述弯曲段的底部在上下方向上移动距离B。
附图说明
图1是根据本公开实施例的待加工换热器的主视图。
图2是图1中换热管的示意图。
图3是根据本公开实施例的加工后的换热器的示意图。
图4是图3中换热管的示意图。
图5是根据本公开第一个实施例的换热器加工方法中换热器的示意图之一。
图6是根据本公开第一个实施例的换热器加工方法中的换热器的示意图之二。
图7是根据本公开第二个实施例的换热器加工方法中的换热器的示意图之一。
图8是根据本公开第二个实施例的换热器加工方法中的换热器的示意图之二。
图9是根据本公开第三个实施例的换热器加工方法中的换热器的示意图之一。
图10是根据本公开第三个实施例的换热器加工方法中的换热器的示意图之二。
图11是根据本公开第四个实施例的换热器加工方法中的换热器的示意图之一。
图12是根据本公开第四个实施例的换热器加工方法中的换热器的示意图。
图13是根据本公开第五个实施例的换热器加工方法中的换热器的示意图。
图14是根据本公开第五个实施例的换热器加工方法中的换热器的示意图。
图15是根据本公开一个实施例的用于换热器加工的推动装置的示意图。
图16是根据本公开另一个实施例的用于换热器加工的推动装置的示意图。
图17是根据本公开又一个实施例的用于换热器加工的推动装置的示意图。
图18是根据本公开再一个实施例的用于换热器加工的推动装置的示意图。
图19是加工后的换热器的示意图。
图20是换热管的立体结构示意图。
附图标记：
换热器100；
集流管10；第一管11；第二管12；
换热管20；第一段21；第二段22；弯曲段23；扭转段231；
边板30；
翅片40；
推动件50；圆弧面51；平面52；圆形件501；轴502；支撑件503；凸起部504。
具体实施方式
下面详细描述本公开的实施例，所述实施例的示例在附图中示出。下面通过参考附图描述的实施例是示例性的，旨在用于解释本公开，而不能理解为对本公开的限制。
如图1-图14所示，根据本公开实施例的换热器加工方法，包括以下步骤：
准备换热器100，换热器100包括第一管11、第二管12和换热管20，换热管20为微通道扁管，换热管20连通第一管11和第二管12，换热管20包括第一段21、第二段22和弯曲段23，弯曲段23的一端连接第一段21，弯曲段23的另一端连接第二段22，换热管20为多个，多个换热管20沿第一管11的长度方向间隔设置，一个换热管20的弯曲段23与其在第一管11的长度方向上(如图1中的左右方向)相邻的另一个换热管20的弯曲段23的至少部分接触。如图1和图2所示，多个换热管20的第一段21沿第一管11的长度方向间隔设置，多个换热管20的第二段22沿第一管11的长度方向间隔设置。换热管20的弯曲段23包括扭转段231，扭转段231由换热管20的至少部分弯曲段23相对换热管20的第一段21扭转形成。具体地，换热管20的至少部分弯曲段23相对第一段21向左侧扭转，从而形成扭转段231，一个换热管20的弯曲段23的扭转段231与相邻的另一个换热管20的弯曲段23的扭转段231的至少部分接触。具体地，第一管11和第二管12为换热器100的集流管10。换热器100还包括边板30和翅片40，边板30设在换热器100的左右两侧，翅片40与换热管20相连，翅片40的布置方式根据换热器100的种类和使用场景选择。
放置推动件50，使推动件50的至少部分与至少一个换热管20的弯曲段23的至少部分相接触。具体地，如图5、图7、图9和图11所示，将推动件50放置在换热器100的下方，推动件50的顶部与换热管20的弯曲段23的底部相接触，且推动件50的顶端的位置高于换热管20的弯曲段23的底端的位置。也就是说，推动件50的顶部至少与弯曲段23的底部的右侧相接触。因此，推动件50的至少部分和换热管20在第一管11的长度方向上相对移动时，弯曲段23能够相对其连接的第一段21转动预定角度或移动预定距离。
移动推动件50，以带动弯曲段23相对其连接的第一段21转动预定角度或移动预定距离，和/或
移动换热管20的弯曲段23，即换热器100的弯曲段23在第一管11的长度方向上的位置发生变化，以使弯曲段23相对其连接的第一段21转动预定角度或移动预定距离，总体而言，使推动件50和换热管20的弯曲段23在第一管11的长度方向上相对移动，
从而使一个换热管20的弯曲段23与其在第一管11的长度方向上相邻的换热管20的弯曲段23不接触。也就是说，一个换热管20的弯曲段23与其在第一管11的长度方向上 相邻一个或两个换热管20的弯曲段23之间具有间隙。
可以理解的是，推动件50移动包括平移和转动。也就是说，推动件50可以转动以带动弯曲段23相对其连接的第一段21转动预定角度或移动预定距离，推动件50也可以平移以带动弯曲段23相对其连接的第一段21转动预定角度或移动预定距离。
如图3和图4所示，弯曲段23相对第一段21转动角度A，同时，弯曲段23的底部在上下方向上移动距离B、在左右方向上移动距离C。
推动件50移动，且在第一管11的长度方向上平移，即推动件50在第一管11的长度方向(如图1中的左右方向)上的位置发生变化，换热器100的多个换热管20的弯曲段23依次相对其各自相连的第一段21转动预定角度或移动预定距离。
根据本公开实施例的换热器加工方法，推动件50与换热管20的弯曲段23相对移动，使一个换热管20的弯曲段23与相邻的另一个换热管20的弯曲段23不接触，因此能够减少空气中的灰尘和水分在弯曲段23的扭转段231积聚，能够减缓换热管20被腐蚀，从而有利于提高换热器的可靠性。此外，相邻换热管20之间的距离不增加，因此有利于提高换热器100的换热性能
由此，本公开实施例的换热器加工方法有利于提高换热器100的可靠性和的换热性能。
在一些实施例中，如图3和图4所示，换热管20包括沿第一方向设置的第一侧面和第二侧面，换热管20包括沿第二方向设置的第三侧面和第四侧面。在此需要说明的是，在换热管20的第一段21和第二段22，第一方向为第一段21的厚度方向(如图1中的左右方向)，第二方向为第一段21的宽度方向，第一侧面、第二侧面、第三侧面和第四侧面为平面；在换热管20的弯曲段23和扭转段231，第一方向和第二方向不固定，第一方向和第二方向随着弯曲段23的扭转而改变，第一侧面、第二侧面、第三侧面和第四侧面为曲面。具体而言，换热管20的第一侧面、第二侧面、第三侧面和第四侧面在换热管20的横截面上的投影围成换热管20在横截面上的外周轮廓。
如图5-图12所示，推动件50在移动的过程中，与至少一个弯曲段23的部分第三侧面相接触，以带动弯曲段23相对其连接的第一段21转动预定角度或移动预定距离。
如图5-图10、图15-图17所示，推动件50具有圆弧面51，推动件50从右向左平移，推动件50在移动的过程中，推动件50的圆弧面51与弯曲段23的第三侧面相接触，从而带动弯曲段23相对其连接的第一段21转动预定角度或移动预定距离。
推动件50的顶端的位置高于换热管20的弯曲段23的底端的位置，且推动件50的顶端与换热管20的弯曲段23的底端的距离为D。可以理解的是，D大于或等于B，增加推动件50从右向左平移的次数能够增加B的值，增加D的值的也能够增加B的值。
在一些实施例中，如图7、图8和图16所示，推动件50包括转动部和轴502。转动部 包括至少部分圆周面，转动部的圆周面与至少一个换热管20的弯曲段23的部分相接触。
根据本公开实施例的换热器加工方法，转动部的圆周面与弯曲段23接触的部分磨损后，转动部能够绕轴502的轴线转动一定角度，不必更换推动件50，从而能够继续进行换热器100加工，提高了推动件50的使用寿命，还能够提高加工效率。
进一步地，如图9、图10和图17所示，推动件50在移动的过程中，转动部绕轴502的轴线旋转，转动部的旋转方向与弯曲段23相对其连接的第一段21的转动方向相反。可以理解的是，转动部逆时针旋转，推动件50从右向左移动，转动部的旋转方向和推动件50整体的移动方向相同。
根据本公开实施例的换热器加工方法，推动件50在第一管11的长度方向上移动的同时，外力驱动转动部绕轴502的轴线旋转，而且转动部的旋转方向与推动件50的移动方向相同，从而能够提高加工效率，此外，推动件50在移动时对换热管20的水平推力减小，能够改善换热器100变形。
如图11、图12和图18所示，推动件50包括圆形件501和凸起部504，圆形件501能够绕其轴线旋转，凸起部504设在圆形件501的外周面，凸起部504为多个，多个凸起部504沿着圆形件501的周向间隔设置。圆形件501逆时针转动，且推动件50从左向右平移，即圆形件501的转动方向与推动件50的移动方向相反，推动件50在移动的过程中，推动件50的凸起部504与弯曲段23的第三侧面相接触。
推动件50的顶端的位置高于换热管20的弯曲段23的底端的位置，且推动件50的顶端与换热管20的弯曲段23的底端的距离为D。可以理解的是，D大于或等于B，增加推动件50从左向右平移的次数能够增加B的值，增加D的值的也能够增加B的值。
根据本公开实施例的换热器加工方法，推动件50的凸起部504与弯曲段23的第三侧面相接触，圆形件501转动使凸起部504带动弯曲段23相对其连接的第一段21转动预定角度或移动预定距离，圆形件501逆时针转动，而且推动件50从左向右平移，在推动件50一次平移的过程中，每个换热管20的弯曲段23的转动角度或移动距离相等，有利于提高换热器100的外观美感，而且换热管20不受水平方向的推力，能够改善换热器100变形，即能够减少换热器100的变形量。
在一些实施例中，如图13和图14所示，推动件50在移动的过程中，还与至少一个弯曲段23的部分第二侧面相接触，以带动弯曲段23相对其连接的第一段21转动预定角度或移动预定距离。
具体地，推动件50为柔性材料，推动件50自下而上与弯曲段23接触，并将推动件50压紧，使推动件50的上表面变形并与弯曲段23的第二侧面接触。推动件50自右向左移动，在摩擦力的作用下，带动弯曲段23相对其连接的第一段21转动预定角度或移动预定距离。
进一步地，推动件50在移动的过程中，同时与多个弯曲段23接触，以带动多个弯曲段23相对其各自相连的第一段21转动预定角度或移动预定距离。
根据本公开实施例的换热器加工方法，推动件50在移动时能够带动弯曲段23相对其连接的第一段21转动预定角度或移动预定距离，不必进行定位，简化了加工工艺，能够提高加工效率。
下面参考附图描述本公开实施例的用于换热器加工的推动装置。
如图15-图20所示，根据本公开实施例的用于换热器加工的推动装置，该推动装置用于推动换热管20转动或移动。推动装置包括推动件50，推动件50包括外表面，至少部分外表面的表面硬度小于或等于换热管20的表面硬度。
进一步地，推动件包括圆弧面51或斜面，至少部分圆弧面51或斜面的表面硬度小于或等于换热管20的表面硬度。
推动件的圆弧面51或斜面能够与换热管20接触的，因此能够推动换热管20的弯曲段23相对换热管20的第一段21转动预定角度或移动预定距离。
如图5-图12所示，推动件50的顶端的位置高于换热管20的弯曲段23的底端的位置，且推动件50的顶端与换热管20的弯曲段23的底端的距离为D。可以理解的是，D大于或等于B，增加推动件50从右向左平移的次数能够增加B的值，增加D的值的也能够增加B的值。
根据本公开实施例的用于换热器加工的推动装置，推动件移动或者换热器移动，能够使换热器100的换热管20弯曲段23相对其连接的第一段21转动预定角度或移动预定距离，进而使一个换热管20的弯曲段23与相邻的另一个换热管20的弯曲段23不接触，因此，能够减少空气中的灰尘和水分在换热管20弯曲段23的扭转段231积聚，进而减缓换热管20被腐蚀，有利提高于换热管的可靠性。
此外，推动件50的外表面的表面硬度小于或等于换热管20的表面硬度，能避免换热管20被挤压变形或者表面被划伤，有利提高于换热管的可靠性。
由此，本公开实施例的用于换热器加工的推动装置，能够减少空气中的灰尘和水分在换热器100的换热管20弯曲段23的扭转段231积聚，还能避免换热管20被挤压变形或者表面被划伤，有利提高于换热管的可靠性。
如图5、图6和图15所示，推动件50具有圆弧面51和平面52，推动件50从右向左平移，推动件50在移动的过程中，推动件50的圆弧面51与弯曲段23的第三侧面相接触，从而带动弯曲段23相对其连接的第一段21转动预定角度或移动预定距离。在弯曲段23转动预定角度或移动预定距离后，推动件50的上方平面52还能与弯曲段23接触，能够在一定程度上阻挡弯曲段23复位。
在一些实施例中，如图7-图10、图16和图17所示，根据本公开实施例的用于换热器加工的推动装置的推动件50包括圆形件501和轴502。圆形件501的至少部分外周面形成圆弧面51。圆形件501具有轴孔(即第一孔)，圆形件501套设在轴502上。
如图7、图8和图16所示，圆形件501和轴502固定连接。圆形件501的圆周面与至少一个换热管20的弯曲段23的部分相接触。圆形件501的圆周面与弯曲段23接触的部分磨损后，圆形件501能够绕轴502的轴线转动一定角度，不必更换推动件50，从而能够继续进行换热器100加工，提高了推动件50的使用寿命，还能够提高加工效率。
如图9、图10和图17所示，圆形件501能够相对轴502绕其轴线转动，轴502的两端与支撑件503相连。推动件50在移动的过程中，圆形件501绕轴502的轴线旋转，圆形件501部的旋转方向与弯曲段23相对其连接的第一段21的转动方向相反。可以理解的是，圆形件501逆时针旋转，推动件50从右向左移动，转动部的旋转方向和推动件50整体的移动方向相同。因此，推动件50能够提高换热器100的加工效率，此外，推动件50在移动时对换热管20的水平推力减小，能够改善换热器100变形，即能够减少换热器100的变形量。
在一些实施例中，如图11、图12和图18所示，根据本公开实施例的用于换热器加工的推动装置的推动件50包括圆形件501、轴502和凸起部504。
圆形件501包括圆周面和第一孔(图中未示出)。轴502位于第一孔内，圆形件501的圆周面绕轴502对称设置。也就是说，轴502与第一孔配合，轴502的中心线与圆形件501的圆周面的各处距离相等。换言之，轴502在圆形件501的一个端面上的投影的外周轮廓为第一圆，圆形件501的圆周面在该端面上的投影为第二圆，第一圆与第二圆同心。
凸起部504与圆形件501的圆周面连接，且位于该圆周面的外侧，凸起部504为多个，多个凸起部504沿着圆形件501圆周面的周向间隔设置。可以理解的是，该圆周面的外侧为圆周面的远离轴502的一侧。
根据本公开实施例的用于换热器加工的推动装置工作时，圆形件501绕轴502的轴线逆时针转动，且推动件50从左向右平移，即圆形件501的转动方向与推动件50的移动方向相反，推动件50在移动的过程中，推动件50的凸起部504的一侧与弯曲段23的第三侧面相接触。
根据本公开实施例的用于换热器加工的推动装置，在推动件50一次平移的过程中，每个换热管20的弯曲段23的转动角度或移动距离相等，有利于提高换热器100的外观美感，而且换热管20不受水平方向的推力，能够改善换热器100变形，即能够减少换热器100的变形量。
在本公开的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、 “厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本公开的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本公开中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接或彼此可通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本公开中的具体含义。
在本公开中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本公开中，术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本公开的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本公开的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本公开的限制，本领域的普通技术人员在本公开的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (20)

  1. 一种换热器加工方法，包括以下步骤：
    提供所述换热器，所述换热器包括第一管、第二管和换热管，所述换热管连通所述第一管和所述第二管，所述换热管包括第一段、第二段和弯曲段，所述弯曲段的一端连接所述第一段，所述弯曲段的另一端连接所述第二段，所述换热管的弯曲段包括扭转段，所述换热管为多个，多个所述换热管的第一段沿所述第一管的长度方向间隔设置，多个所述换热管的第二段沿所述第一管的长度方向间隔设置，所述换热器在加工前，一个所述换热管的所述弯曲段与其在所述第一管的长度方向上相邻的另一个所述换热管的所述弯曲段的至少部分接触；
    放置推动件，使推动件的至少部分与至少一个所述换热管的所述弯曲段的至少部分相接触；
    移动所述推动件，以带动所述弯曲段相对其连接的所述第一段转动预定角度或移动预定距离，和/或
    移动所述换热管的所述弯曲段，以使所述弯曲段相对其连接的所述第一段转动预定角度或移动预定距离，
    从而使加工后的一个所述换热管的所述弯曲段与其在所述第一管的长度方向上相邻的所述换热管的所述弯曲段不接触。
  2. 根据权利要求1所述的换热器加工方法，其中所述扭转段由所述换热管的至少部分弯曲段相对所述换热管的第一段扭转形成，所述推动件移动以使所述推动件及部分所述弯曲段在所述第一管的长度方向上的位置发生变化。
  3. 根据权利要求1或2所述的换热器加工方法，其中所述换热管包括沿第一方向设置的第一侧面和第二侧面，所述换热管包括沿第二方向设置的第三侧面和第四侧面，所述推动件在移动的过程中，与至少一个所述弯曲段的部分第三侧面相接触，以带动所述弯曲段相对其连接的所述第一段转动预定角度或移动预定距离。
  4. 根据权利要求1至3中任一项所述的换热器加工方法，其中所述推动件在移动的过程中，与至少一个所述弯曲段的部分第二侧面相接触，以带动所述弯曲段相对其连接的所述第一段转动预定角度或移动预定距离。
  5. 根据权利要求1至4中任一项所述的换热器加工方法，其中所述推动件在移动的过程中，同时与多个所述弯曲段接触，以带动多个所述弯曲段相对其各自相连的所述第一段转动预定角度或移动预定距离。
  6. 根据权利要求1至5中任一项所述的换热器加工方法，其中所述推动件包括转动部 和轴，所述转动部包括至少部分圆周面，所述推动件移动的过程中，所述转动部的圆周面与至少一个所述换热管的所述弯曲段的部分相接触。
  7. 根据权利要求6所述的换热器加工方法，其中在所述推动件移动的过程中，所述转动部绕所述轴的轴线旋转，所述转动部的旋转方向与所述弯曲段相对其连接的所述第一段的转动方向相反。
  8. 根据权利要求6或7所述的换热器加工方法，其中在所述推动件移动过程中，所述转动部的旋转方向与所述推动件的移动方向相反。
  9. 根据权利要求1至8中任一项所述的换热器加工方法，其中所述换热管为微通道扁管。
  10. 一种用于换热器加工的推动装置，其中所述换热器包括换热管，所述换热管包括第一段、第二段和弯曲段，所述弯曲段的一端连姐所述第一段，所述弯曲段的另一端连接所述第二段，所述推动装置用于推动所述换热管的所述弯曲段转动预定角度或移动预定距离，所述推动装置包括推动件，所述推动件包括外表面，至少部分所述外表面的表面硬度小于或等于所述换热管的表面硬度。
  11. 根据权利要求10所述的用于换热器加工的推动装置，其中所述推动件的外表面包括圆弧面或斜面，至少部分所述圆弧面或斜面的表面硬度小于或等于所述换热管的表面硬度。
  12. 根据权利要求10所述的用于换热器加工的推动装置，其中所述换热管包括沿第一方向设置的第一侧面和第二侧面，所述换热管包括沿第二方向设置的第三侧面和第四侧面，所述推动件包括圆弧面和平面，所述推动件的圆弧面与所述弯曲段的第三侧面相接触，所述推动件能够带动所述弯曲段相对其连接的所述第一段转动预定角度或移动预定距离。
  13. 根据权利要求10或11所述的用于换热器加工的推动装置，其中所述推动件包括：
    圆形件，所述圆形件包括圆周面和第一孔；和
    轴，所述轴位于所述第一孔内，所述圆周面绕所述轴对称设置。
  14. 根据权利要求13所述的用于换热器加工的推动装置，其中所述圆形件和所述轴连接，所述圆形件的所述圆周面能够与至少一个所述换热管的所述弯曲段的部分相接触。
  15. 根据权利要求10或11所述的用于换热器加工的推动装置，其中所述推动件还包括：
    凸起部，所述凸起部与所述圆周面连接，且位于所述圆周面的外侧，所述凸起部为多个，多个所述凸起部沿着所述圆周面的周向间隔设置。
  16. 根据权利要求15所述的用于换热器加工的推动装置，其中所述换热管包括沿第一方向设置的第一侧面和第二侧面，所述换热管包括沿第二方向设置的第三侧面和第四侧面， 所述推动件的所述凸起部的一侧能够与所述弯曲段的第三侧面相接触。
  17. 根据权利要求13所述的用于换热器加工的推动装置，其中所述推动件还包括：支撑件，所述轴的两端与所述支撑件相连。
  18. 根据权利要求17所述的用于换热器加工的推动装置，其中所述换热管的弯曲段包括扭转段，所述换热管为多个，多个所述换热管的第一段沿所述第一管的长度方向间隔设置，多个所述换热管的第二段沿所述第一管的长度方向间隔设置，所述换热器在加工前，一个所述换热管的所述弯曲段与其在所述第一管的长度方向上相邻的另一个所述换热管的所述弯曲段的至少部分接触，其中所述推动件在移动的过程中，所述圆形件能够绕所述轴的轴线旋转，所述圆形件的旋转方向与所述弯曲段相对所述换热管的第一段的转动方向相反。
  19. 根据权利要求10至18中任一项所述的用于换热器加工的推动装置，其中所述推动件的顶端的位置高于所述换热管的所述弯曲段的底端的位置。
  20. 根据权利要求19所述的用于换热器加工的推动装置，其中所述推动件的顶端与所述换热管的所述弯曲段的底端的距离D大于或等于所述弯曲段的底部在上下方向上移动距离B。
PCT/CN2022/087208 2021-04-16 2022-04-15 换热器加工方法和用于换热器加工的推动装置 WO2022218428A1 (zh)

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