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WO2019223797A1 - 集管箱及换热器 - Google Patents

集管箱及换热器 Download PDF

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Publication number
WO2019223797A1
WO2019223797A1 PCT/CN2019/088400 CN2019088400W WO2019223797A1 WO 2019223797 A1 WO2019223797 A1 WO 2019223797A1 CN 2019088400 W CN2019088400 W CN 2019088400W WO 2019223797 A1 WO2019223797 A1 WO 2019223797A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
hole
header
opening
cover plate
Prior art date
Application number
PCT/CN2019/088400
Other languages
English (en)
French (fr)
Inventor
董军启
高建华
耿时江
范学彬
Original Assignee
杭州三花研究院有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201810517648.4A external-priority patent/CN110530065A/zh
Priority claimed from CN201810517644.6A external-priority patent/CN110530190B/zh
Priority claimed from CN201810517647.XA external-priority patent/CN110530180A/zh
Priority claimed from CN201810569282.5A external-priority patent/CN110567311B/zh
Application filed by 杭州三花研究院有限公司 filed Critical 杭州三花研究院有限公司
Priority to EP19807116.9A priority Critical patent/EP3745076B1/en
Priority to US16/964,926 priority patent/US11624565B2/en
Publication of WO2019223797A1 publication Critical patent/WO2019223797A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/1684—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0202—Header boxes having their inner space divided by partitions
    • F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
    • F28F9/0207—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions the longitudinal or transversal partitions being separate elements attached to header boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00321—Heat exchangers for air-conditioning devices
    • B60H1/00335—Heat exchangers for air-conditioning devices of the gas-air type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00321—Heat exchangers for air-conditioning devices
    • B60H1/00342—Heat exchangers for air-conditioning devices of the liquid-liquid type
    • 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
    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0093—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0202—Header boxes having their inner space divided by partitions
    • F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0221—Header boxes or end plates formed by stacked elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • 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
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0084—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0085—Evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F2009/0285—Other particular headers or end plates
    • F28F2009/0297—Side headers, e.g. for radiators having conduits laterally connected to common header
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0278—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of stacked distribution plates or perforated plates arranged over end plates

Definitions

  • This application relates to the field of heat exchange, and in particular, to header boxes and heat exchangers.
  • Heat exchangers also called heat exchangers, are widely used in heat exchange systems (such as air conditioning systems).
  • the heat exchanger can be used for heat exchange between the refrigerant and the outside air, and can also be used for heat exchange between the refrigerant and the cooling liquid.
  • the flow rate of the heat transfer medium in the heat exchanger is also an important factor affecting its heat transfer efficiency.
  • the CO 2 refrigeration system For heat exchangers using CO 2 as a refrigerant, the CO 2 refrigeration system has a high operating pressure, and therefore requires high pressure resistance performance of the heat exchanger.
  • the present application discloses a header box and a heat exchanger.
  • a header box including a bottom plate, including a first surface and a second surface opposite to the first surface, at least a portion of the first surface being recessed inward to form at least one first A hole, the first hole extending along the length direction of the bottom plate, at least a part of the second surface recessed inwardly to form at least two second holes, the second hole extending along the width direction of the bottom plate; wherein, The first hole communicates with at least two of the second holes, so that fluid flowing through the first hole can be distributed to at least two of the second holes, or fluid flowing through the second hole can be pooled.
  • a cover plate which is disposed on the first surface in an abutting manner to block an opening of the first hole located on the first surface.
  • a header box which includes a cover plate and a bottom plate, the cover plate is provided with a groove extending along a length direction of the cover plate, the groove includes an opening portion, and
  • the bottom plate is provided with an opening for inserting a flat tube, and the opening penetrates the upper and lower surfaces of the bottom plate.
  • the opening includes a first opening near the cover plate and a second opening away from the cover plate. A cross-sectional area of the first opening is larger than a cross-sectional area of the second opening, wherein an opening portion of the groove is provided toward the bottom plate.
  • a heat exchanger which includes a housing, a cavity is formed in the housing, and a core, the core is partially or wholly contained in the cavity, and the core is Including a flat tube for circulating the first heat exchange medium; the header box according to any one of the above aspects; an opening portion communicating with the chamber is provided on a side wall of the casing, and the opening portion is along The stacking direction of the flat tubes extends.
  • FIG. 1 is a schematic diagram of an overall structure of a heat exchanger according to an exemplary embodiment of the present application
  • FIG. 2 is a partially exploded schematic view of the heat exchanger shown in FIG. 1;
  • FIG. 2 is a partially exploded schematic view of the heat exchanger shown in FIG. 1;
  • FIG. 3 is an exploded view of another part of the heat exchanger shown in FIG. 1;
  • FIG. 4 is another exploded view of the heat exchanger shown in FIG. 1;
  • FIG. 5 is a schematic diagram of an overall structure of another heat exchanger according to an exemplary embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a core component in an exemplary embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a core external component according to an exemplary embodiment of the present application.
  • FIG. 8 is an exploded view of the external core component shown in FIG. 7;
  • FIG. 9 is an exploded view of another core body component according to an exemplary embodiment of the present application.
  • FIG. 10 is a schematic partial structural diagram of another heat exchanger according to an exemplary embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a first plate-like member according to an exemplary embodiment of the present application.
  • FIG. 12 is a plan view of the first plate-like member shown in FIG. 11;
  • FIG. 13 is a side view of the first plate-like member shown in FIG. 11;
  • FIG. 14 is a bottom view of the first plate-like member shown in FIG. 11;
  • FIG. 15 is a cross-sectional view of another heat exchanger according to an exemplary embodiment of the present application.
  • FIG. 16 is a schematic partial structural diagram of still another heat exchanger according to an exemplary embodiment of the present application.
  • 17 is a partial structural diagram of a flat tube and a heat sink assembly
  • FIG. 18 is a schematic structural diagram of a heat exchanger according to an exemplary embodiment of the present application.
  • FIG. 19 is a schematic structural view of a part of the heat exchanger shown in FIG. 18;
  • FIG. 20 is a schematic structural diagram of a header box according to an exemplary embodiment of the present application.
  • 21 is a schematic structural diagram of a cover plate 11 according to an exemplary embodiment of the present application.
  • FIG. 22 is a schematic structural diagram of a second plate-like member according to an exemplary embodiment of the present application.
  • FIG. 23 is a schematic structural diagram of a first plate-like member according to an exemplary embodiment of the present application.
  • FIG. 24 is a sectional view of a partial structure of the heat exchanger shown in FIG. 18;
  • Figure 25 is a side view of the cover plate 11 shown in Figure 21;
  • 26 is a sectional view of another partial structure of the exemplary embodiment of the present application.
  • FIG. 27 is a schematic structural diagram of a heat exchanger according to an exemplary embodiment of the present application.
  • FIG. 28 is a partially exploded schematic view of the heat exchanger shown in FIG. 27;
  • FIG. 29 is an exploded schematic view of the heat exchanger shown in FIG. 27;
  • FIG. 30 is a partial structural schematic diagram of another heat exchanger according to an exemplary embodiment of the present application.
  • 31A is a schematic diagram of a mounting structure of a flat tube and a bottom plate according to an exemplary embodiment of the present application
  • 31B is a schematic diagram of another installation structure of a flat tube and a bottom plate according to an exemplary embodiment of the present application.
  • FIG. 32 is a schematic structural diagram of a part of the heat exchanger shown in FIG. 27;
  • FIG. 33 is a partial structural schematic view of the heat exchanger shown in FIG. 27 from another perspective;
  • 35 is an exploded view of a header box and a header according to an exemplary embodiment of the present application.
  • FIG. 36 is an exploded schematic view of another header box and a header according to an exemplary embodiment of the present application.
  • FIG. 37 is a schematic structural diagram of the heat exchanger shown in FIG. 27 in a working mode
  • FIG. 38 is a schematic structural diagram of the heat exchanger shown in FIG. 27 in another working mode.
  • 39A is a schematic structural diagram of a heat exchanger having a flow channel according to an exemplary embodiment of the present application.
  • 39B is a schematic structural diagram of a part of a heat exchanger having another flow channel according to an exemplary embodiment of the present application.
  • 39C is a schematic structural view of a part of the heat exchanger of FIG. 39B;
  • 39D is a schematic structural diagram of a heat exchanger having another flow channel according to an exemplary embodiment of the present application.
  • 39E is a schematic structural diagram of a heat exchanger having another flow channel according to an exemplary embodiment of the present application.
  • 40A is a schematic structural diagram of a heat sink according to an exemplary embodiment of the present application.
  • 40B is a schematic structural diagram of another heat dissipation member according to an exemplary embodiment of the present application.
  • FIG. 40C is a schematic three-dimensional structure diagram of the heat sink shown in FIG. 40A;
  • FIG. 40D is a schematic structural view of a part of the heat sink shown in FIG. 40C; FIG.
  • FIG. 41A is a schematic structural diagram of a casing and a collector independently provided in an exemplary embodiment of the present application.
  • FIG. 41B is a schematic structural diagram of a housing and a collector integrated with an exemplary embodiment of the present application.
  • FIG. 42 is a schematic structural diagram of a multi-process casing and a collector according to an exemplary embodiment of the present application.
  • 43A is a schematic structural diagram of a casing according to an exemplary embodiment of the present application.
  • 43B is a schematic structural diagram of another casing according to an exemplary embodiment of the present application.
  • 43C is a schematic structural diagram of another casing according to an exemplary embodiment of the present application.
  • 43D is a schematic structural diagram of still another shell according to an exemplary embodiment of the present application.
  • FIG. 44 is a schematic structural diagram of a fold structure according to an exemplary embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a heat exchanger 100 according to an exemplary embodiment of the present application.
  • the heat exchanger 100 can be used as a condenser, an evaporator, and other heat exchange devices.
  • the heat exchanger 100 can be applied to various heat exchange systems, such as a CO 2 refrigeration system, and is also applicable to the fields such as automobiles.
  • the heat exchanger 100 includes a header box 1, a header box 2, a core body 3, and a casing 4.
  • the header box 1 and the header box 2 are located at both ends of the casing 4, and the end structure of the casing 4 will be specifically described in the following embodiments, which will not be repeated here.
  • a cavity 400 is formed inside the casing 4, and a part or all of the core body 3 is received in the cavity 400.
  • the core 3 includes a flat tube 30 for circulating a first heat exchange medium.
  • the flat tubes 30 are disposed at intervals in the cavity 400 inside the casing 4 to divide the cavity 400 into a plurality of heat exchange channels 401 for circulating a second heat exchange medium.
  • the adjacent heat exchange channels 401 may be connected or not connected, which is not limited in this application, and may be set according to a specific application environment.
  • the number of the flat tubes 30 may be one or more.
  • the flat tube may be a microchannel flat tube including a plurality of microchannels 302 arranged along the width direction of the flat tube 30 (combinable with FIG. 17). Using micro-channel flat tubes can better increase the strength of the flat tubes, thereby improving the stability and safety of the heat exchanger. If there are a plurality of flat tubes, the plurality of flat tubes may be arranged in parallel at intervals. In addition, each layer of the flat tubes may be a flat tube, or may be a wide flat tube in which a plurality of flat tubes are arranged in the same plane.
  • the application does not specifically limit the type, number, and setting method of the flat tubes, and can be determined according to the application environment.
  • the header box 1 includes a first bottom plate 10 and a cover plate 11.
  • the first bottom plate 10 includes a first surface 101 and a second surface 102 opposite to the first surface 101. At least a portion of the first surface 101 is recessed inwardly to form at least one first hole 105 that extends along the length direction L1 of the first base plate 10. At least a portion of the second surface 102 is recessed inwardly to form at least one second hole 106 extending along the width direction W1 of the first bottom plate 10.
  • the first hole 105 communicates with at least two second holes 106, so that the fluid (ie, the first heat exchange medium) flowing through the first holes 105 can be distributed to at least two of the second holes 106, or The first heat exchange medium flowing through the second hole 106 can be collected into the first hole 105 to make the first heat exchange medium distributed more evenly.
  • the use of such a first bottom plate 10 has a simple structure, a small volume and a small weight, which is advantageous for reducing the amount of materials used, and thus for reducing the weight of the heat exchanger.
  • the cover plate 11 is attached to the first surface 101 and closes the opening 1051 of the first hole 105.
  • the first bottom plate 10 may be an integrally formed plate, or may be formed by splicing two or more plates, such as by welding a plurality of plates.
  • the plurality of plates are provided with the first holes 105 and the second holes 106.
  • the first bottom plate 10 is a plate structure (combined with FIGS. 9 to 15). Wherein, a side of the first bottom plate 10 near the cover plate 11 is a first surface 101, and a side of the first bottom plate 10 away from the cover plate 11 is a second surface 102.
  • the first bottom plate 10 includes a first plate-shaped member 1001 and a second plate-shaped member 1002 (which can be combined with FIG. 16) welded to each other.
  • the first plate-shaped member 1001 is attached to a side of the second plate-shaped member 1002 near the cover plate 11.
  • a side of the first plate-like member 1001 adjacent to the cover plate 11 is a first surface 101
  • a side of the second plate-like member 1002 away from the cover plate 11 is a second surface 102.
  • the first plate-shaped member 1001 is provided with a first hole 105 and the second plate-shaped member 1002 is provided with a second hole 106.
  • the first hole 105 penetrates the first plate-like member 1001, and the second hole 106 penetrates the second plate-like member 1002.
  • the second hole 106 includes a first opening communicating with the first hole 105 and a second opening remote from the first hole 105.
  • a cross-sectional area of the first opening is larger than a cross-sectional area of the second opening.
  • the cross-sectional area of the first opening may be equal to the cross-sectional area of the second opening.
  • the header box 1 includes a second bottom plate 12 in addition to the first bottom plate 10 and the cover plate 11.
  • the second bottom plate 12 is disposed on a side of the first bottom plate 10 facing away from the cover plate 11.
  • the second bottom plate 12 is provided with third holes 108 corresponding to the second holes 106 one-to-one.
  • a cross-sectional area of the third hole 108 is smaller than a cross-sectional area of the second hole 106.
  • An end surface of one end of the flat tube 30 may be located in the second hole 106, so that a gap is formed between the outer wall surface of the flat tube 30 and the inner wall surface of the second hole 106, which can effectively prevent the first bottom plate 10 and the second bottom plate 12
  • the nozzle of the flat tube 30 is blocked by the solder, which is also beneficial to prevent the nozzle of the flat tube 30 from being blocked by the solder between the cover plate 11 and the first bottom plate 10.
  • the edge of the third hole 108 extends a predetermined distance to the side away from the cover plate 11 to form a flange 107, which can save a layer of plates while ensuring the insertion depth of the flat tube 30, thereby ensuring the end of the flat tube 30
  • the welding area between the part and the header box 1 is conducive to improving the welding strength of the structure.
  • the end of the flat tube 30 may be provided with a necked portion 301, which includes a side wall 3012 and a positioning surface 3011 (combinable with FIG. 17).
  • a part of the necked part 301 is inserted into the third hole 108, and another part is inserted into the second hole 106.
  • the positioning surface 3011 abuts on the end surface of the flange 107 to facilitate the installation and positioning of the flat tube 30 and reduce the difficulty of assembling the flat tube 30 and the header box 1.
  • the necked portion 301 can be obtained by necking processing using a necking tool.
  • the height h of the necked portion 301 can be set according to the depth that the flat tube 30 needs to be inserted into the second hole 106.
  • the header box 2 can be used as a lower header box.
  • the header box 2 includes a cover plate 21 and a third bottom plate 20 (combined with FIG. 9).
  • the cover plate 21 is provided with a groove 211 extending along the length direction L2 of the cover plate 21, and the groove 211 includes an opening portion 211a provided toward the third bottom plate 20, and the third bottom plate 20 is provided with a fourth hole 201 communicating with the opening portion 211a. Accordingly, one end of the flat tube 30 can be inserted into the fourth hole 201.
  • the extending direction of the fourth hole 201 is perpendicular to the extending direction of the groove 211. It should be noted that, for the vertical feature in the embodiments of the present application, slight deviations due to processing should be understood to be within the protection scope.
  • the third bottom plate 20 may be an integrally formed plate, or may be formed by splicing two or more plates, such as by welding a plurality of plates.
  • the plurality of plates are provided with a hole portion forming the fourth hole 201.
  • the third bottom plate 20 includes a third plate-shaped member 2001 connected to the cover plate 21 and a fourth plate-shaped member 2002 remote from the cover plate 21.
  • the third plate-shaped member 2001 is provided with a first hole portion 2011 forming a fourth hole 201
  • the fourth plate-shaped member 2002 is provided with a second hole portion 2012 forming a fourth hole 201.
  • the first hole portion 2011 penetrates the third plate-shaped member 2001
  • the second hole portion 2012 penetrates the fourth plate-shaped member 2002.
  • a cross-sectional area of the first hole portion 2011 is larger than a cross-sectional area of the second hole portion 2012.
  • the other end surface of the flat tube 30 may be located in the first hole portion 2011, and a gap is formed between an outer wall surface of the flat tube 30 and an inner wall surface of the first hole portion 2011. It can effectively prevent the solder between the third plate-shaped member 2001 and the fourth plate-shaped member 2002 from clogging the nozzle of the flat tube 30, and also prevent the solder between the cover plate 21 and the third plate-shaped member 2001 from blocking the flat tube 30. Nozzle.
  • An edge of the fourth hole 201 extends a predetermined distance toward a side far from the cover plate 21 to form a flange 207. While saving a layer of plates, the insertion depth of the flat tube 30 can be ensured, thereby ensuring the welding area between the end of the flat tube 30 and the header box 2, which is beneficial to improving the strength of the structure. Accordingly, the end of the flat tube 30 inserted into the fourth hole 201 can also be provided with a constriction portion. For details, please refer to the related description of the necking part 301, which will not be repeated here.
  • a partition 212 is provided in the groove 211 to separate the groove 211 into two first and second chambers 213 and 214 that are isolated from each other.
  • the first chamber 213 and the second chamber 214 are distributed along the length of the groove, so that the plurality of flat tubes 30 can be divided into first and second chambers 213 and the header (for example, the first hole 105) inside the header box 1.
  • a tube group 31 and a second tube group 32 that connects the interior of the header box 1 (such as the first hole 105) and the second chamber 214 to increase the flow of the first heat exchange medium and help improve the first heat exchange.
  • the flow velocity of the medium improves the heat exchange efficiency of the heat exchanger.
  • the groove may be divided into three or more chambers. This application does not limit this, and can be set according to the specific application environment.
  • one end of the cover plate 21 is provided with a first header 5 communicating with the first cavity 213, and the other end is provided with a second collection tube communicating with the second cavity 214 ⁇ ⁇ 6 ⁇ Pipe 6.
  • One end of the first header tube 5 is sealed, and the other end is provided with a first external tube 52 to flow into or out of the first header tube 5 from the first header tube 5.
  • One or more current collecting holes 51 are formed on a side of the first collecting tube 5 near the collecting box 2.
  • the header 51 is in communication with the first chamber 213 to flow into or out of the header box 2 from the first heat exchange medium.
  • One end of the second header 6 is sealed, and the other end is provided with a second external tube 62 to correspond to flowing out of the second header 6 or flowing into the second header 6 into the first heat exchange medium.
  • One side of the second header 6 near the header box 2 is also provided with one or more header holes (not shown).
  • the header holes communicate with the second chamber 214 to correspond to the header chamber. 2 flows out or flows into the header tank 2 into the first heat exchange medium.
  • the first heat exchange medium can enter the first header 5 from the first external pipe 52, flow from the first header 5 into the first chamber 213 of the header box 2, and flow into the header through the first tube group 31.
  • the tank 1 flows from the first hole 105 of the header tank 1 into the second tube group 32, then enters the second chamber 214, and finally passes through the second header 6 and flows out through the second external tube 62. So far, the first heat exchange medium has completed a heat exchange process.
  • the casing 4 includes a side wall 40.
  • the first end 403 of the casing 4 is closed.
  • the second end 405 of the casing 4 is open to facilitate installation of the header box 1, core 3, and other components.
  • the side wall 40 may include four plates: a first side wall 41, a second side wall 42, a third side wall 43, and a fourth side wall 44.
  • the first side wall 41, the second side wall 42, the third side wall 43, and the fourth side wall 44 may be integrally formed, or may be connected by welding.
  • the cover plate 11 includes a main body portion 112 at a top end and a connecting portion 113 extending downward from an outer edge of the main body portion 112.
  • At the first end 403 at least part of the outer side of the side wall 40 is welded to the inner side of the connecting portion 113 (combined with FIGS. 2-4, 10, and 16).
  • At least part of the inner side of the side wall 40 is welded to the peripheral side wall 103 of the first bottom plate 10 (or the peripheral side wall 103 of the first bottom plate 10 and the peripheral side wall of the second bottom plate 12) to increase the cover plate 11.
  • the welding area with the side wall 40 enhances the welding strength of the casing 4.
  • the inside of the connecting portion 113 may be welded to only the peripheral side wall 103 of the first base plate 10, or to the peripheral side wall 103 of the first base plate 10 and the peripheral side wall of the second base plate 12.
  • the end of the side wall 40 is welded to the second bottom plate 12.
  • the housing 4 further includes a top wall 46 located at the first end 403, and the top wall 46 can be integrally formed with the side wall 40 (combined with FIGS. 5, 7 and 8).
  • the header box 1 may not be provided with a cover plate.
  • the top wall may serve as a cover plate to block the opening of the first hole 105.
  • the top wall 46 can also be provided independently of the side wall 40, which is not limited in this application, and can be set according to the specific application environment.
  • the header box 1 may also be provided with a cover plate.
  • cover plate 11 may not include the connecting portion 113, and two ends of the side wall may be welded to the second and third bottom plates, respectively.
  • two ends of the side wall can be welded to the first bottom plate and the third bottom plate, respectively.
  • Opening portions 411 and 433 communicating with the cavity 400 are provided at both ends of the side wall of the casing 4.
  • the openings 411 and 433 extend in a stacking direction of the flat tubes 30.
  • the side wall of the casing 4 is provided with a third header 7 and a fourth header 8.
  • the third header 7 and the fourth header 8 extend along a stacking direction of the flat tubes 30.
  • the third header 7 and the fourth header 8 communicate with the chamber 400 through the openings 411 and 433, respectively, to collect or distribute a second heat exchange medium.
  • the third header 7 the fourth header
  • the related description of the flow pipe 8 is detailed below.
  • a combination including the third and fourth headers 7, 8 and the casing 4 can be used as the core outer component 120, and the first header box 1, the flat tube 30, and the second header can be included.
  • a combination of the box 2 and the like serves as the core body component 110.
  • the outer core component 120 and the inner core component 110 can be assembled together by nesting to facilitate the overall installation of the heat exchanger.
  • the header box 1 includes a cover plate 11 and a bottom plate 10.
  • the cover plate 11 is provided with a groove 111 extending along a length direction of the cover plate, and the side of the groove 111 is opened adjacent to the bottom plate 10. Accordingly, the groove 111 includes a portion adjacent to the bottom plate 10. Openings 111a.
  • the bottom plate 10 is provided with an opening 1010 for inserting the flat tube 30 (combined with FIGS. 19 and 20).
  • the openings 1010 may be substantially bar-shaped to form a bar-shaped socket.
  • the opening 1010 penetrates the upper and lower surfaces of the bottom plate 10.
  • the extending direction of the groove 111 and the extending direction of the opening 1010 may be substantially perpendicular. It should be noted that minor deviations due to processing should be understood to be within the scope of this protection.
  • the cross-section of the groove 111 may be semi-circular, triangular, rectangular, or semi-elliptical, or a combination of two or more of the above.
  • the opening 1010 includes a first opening near the cover plate 11 and a second opening away from the cover plate 11.
  • a cross-sectional area of the first opening is larger than a cross-sectional area of the second opening, at least a part of which
  • the opening portion 111 a is in communication with the first opening, so that the first heat exchange medium flows through the groove 111 and the opening 1010 in order to the flat tube 30.
  • the number of the grooves 111 and the number of the openings 1010 are not limited in this application, and may be determined according to the specific application environment.
  • the opening 1010 may be a stepped hole, which is beneficial for increasing the flow rate of the first heat exchange medium entering the opening 1010 from the first opening.
  • the opening 1010 may not be a stepped hole.
  • the opening 1010 is substantially flared.
  • the cover plate 11 has two opposite side walls 114, and the bottom plate 10 has two corresponding end surfaces, and the two ends extend toward the cover plate 11 side to form a covering edge 121 to cover
  • the two side walls 114 of the cover plate 11 are beneficial to increase the welding area of the cover plate and the bottom plate, thereby enhancing the structural strength of the header box.
  • the longitudinal direction L2 of the covering edge 121 and the longitudinal direction L1 of the cover plate 11 may be substantially the same.
  • the bottom plate is an integrally formed plate, and the bottom plate may be provided with a positioning groove 123 along the length direction L2 of the covering edge 121 adjacent to the inner wall surface of the covering edge 121.
  • the longitudinal direction L3 of the positioning groove 123 is substantially the same as the longitudinal direction L2 of the covering edge 121.
  • the positioning groove 123 has a bottom wall and two side walls.
  • the edging 121 includes an inner wall 1211 facing the side wall 114. Wherein, one side wall of the positioning groove 123 and the inner wall 1211 may be located substantially in the same plane.
  • the bottom plate 10 includes a first plate-shaped member 1200 provided with the hemming 121 and a second plate-shaped member 1300 welded between the first plate-shaped member 1200 and the cover plate 11.
  • the opening 1010 includes a first hole portion 1011 and a second hole portion 1012.
  • the first hole portion 1011 penetrates the first plate-shaped member 1200
  • the second hole portion 1012 penetrates the second plate-shaped member 1300 (combined with FIGS. 19, 20, 22, and 23).
  • a gap is left between the end surface of the second plate-shaped member 1300 adjacent to the edging 121 and the edging 121 to form a positioning groove 123 for receiving the side wall 114 of the cover plate 11.
  • the second plate-shaped member 1300 includes an end surface 1311 adjacent to the covering edge 121.
  • the end surface 1311 can be used as one side wall of the positioning groove 123, and a part of the inner wall 1211 can be used as the other side wall of the positioning groove 123.
  • the first plate-like member 1200 includes a hemming 121 and a main plate member 1250 provided with a first hole portion 1011.
  • the edging 121 and the main board 1250 can be provided integrally.
  • the edging 121 can be obtained by bending a plate-like member or can be connected by welding.
  • the main body portion 1250 includes a surface 1251 near one side of the second plate 1300, and at least a portion of the surface 1251 can serve as a bottom wall of the positioning groove 123.
  • the edge of the opening 1010 extends a predetermined distance toward the side far from the cover plate 11 to form a flange 124.
  • the depth of the opening 1010 is ensured to ensure the insertion depth of the flat tube 30.
  • reducing welding between plates is beneficial to production and processing.
  • the cover plate 11 includes a plurality of grooves.
  • a reinforcing rib 1132 is formed between two adjacent grooves.
  • the end surface S1 of the reinforcing rib 1132 is substantially flat. Wherein, the end faces S1 of the plurality of reinforcing ribs 1132 are located substantially in the same plane (combined with FIG. 21 and FIG. 25), so that a portion of the cover plate 11 that is in contact with the bottom plate 10 can be closely sealed.
  • the two side walls 114 of the cover plate 11 extend a certain distance from the plane defined by S1 to form a convex edge 1141. At least a part of the structure of the protruding edge 1141 can be inserted into the positioning groove 123. Thereby, the welding area between the cover plate and the bottom plate is further increased, and the structural strength of the header box is enhanced.
  • one end of the cover plate 11 is provided with a notch portion 115 that communicates with the groove 111, and the notch portion 115 is provided with a blocking member 116 to connect the end of the groove 111. ⁇ ⁇ Sealed.
  • the other end of the cover plate 11 is provided with a first header 5 communicating with the groove 111 to collect or distribute the first heat exchange medium.
  • An opening 51 communicating with the groove 111 is formed on a side of the first current collecting tube 5 adjacent to the cover plate 11.
  • one end of the first header pipe 5 is sealed, and the other end is provided with an external pipe 52.
  • the cutout portion may not be provided, and the blocking member 116 is formed integrally with the cover plate 11, or when the cover plate is processed, one end of the groove does not penetrate.
  • two ends of the cover plate 11 are respectively provided with two current collecting tubes that communicate with the groove 111.
  • a partition is provided in the groove 111 to divide the groove 111 into at least two mutually isolated cavities.
  • the at least two mutually isolated cavities are arranged along the length direction L1 of the cover plate 11. Cloth to increase the flow of the first heat exchange medium and improve heat exchange efficiency. Taking the groove 111 divided into two isolated chambers as an example, the two headers communicate with each other.
  • the end portion of the flat tube 30 may be provided with the constricted portion 301.
  • the necked portion 301 includes a side wall 3012 and a positioning surface 3011. The necked portion 301 is inserted into the opening 1010, the side wall 3012 is in contact with the inner wall of the opening 1010, and the positioning surface 3011 abuts on the end surface 1241 of the flange 124 to facilitate the installation and positioning of the flat tube 30 and reduce the flat tube And the assembly of the header box.
  • the necked portion 301 can be obtained by necking processing using a necking tool.
  • the height h of the necked portion 301 can be set according to the depth of the flat tube 3 required to be inserted into the opening 1010.
  • An end surface of the flat tube 30 can pass through the first hole portion 1011 and be placed in the second hole portion 1012.
  • a gap can be formed between the outer wall surface of the flat tube 30 and the inner wall surface of the second hole portion 1012, which can effectively prevent the The solder between one plate-shaped member 1200 and the second plate-shaped member 1300 blocks the nozzle of the flat tube 30.
  • the header box 2 has a bottom plate and a cover plate, and the bottom plate of the header box 2 is correspondingly provided with an opening for the other end of the flat tube 3 to be inserted, so that the flat tube 3 and the header box are opened. 2's internal communication.
  • the header box 2 is provided with a second header 6 communicating with the header box 2 to collect or distribute the first heat exchange medium.
  • one end of the second header 6 is sealed, and the other end is provided with an external pipe 62.
  • the structure of the header box 2 is basically the same as that of the header box 1. For details, reference may be made to the related description of the header box 1, and details are not described herein.
  • the first and second headers 5 and 6 may be located on the same side outside the casing 4.
  • the first and second headers 5, 6 may also be located on different sides outside the casing 4, such as approximately at the diagonal corners outside the casing 4, so that the first heat exchange medium is distributed more evenly and improves Heat exchange effect, so that the first heat exchange medium and the second heat exchange medium form countercurrent heat exchange, so that the heat exchange between the two is more sufficient.
  • Specific settings can be made according to the application environment, which is not limited in this application.
  • first end and the second end of the housing may be provided with a header box.
  • header box For the setting of the header box, reference may be made to the foregoing related description, and details are not described herein.
  • the side wall of the casing 4 is provided with a third header 7 and a fourth header 8.
  • the third header 7 and the fourth header 8 extend along a stacking direction of the flat tubes 30.
  • the third and fourth headers 7 and 8 communicate with the chamber 400 through the openings 411 and 433, respectively, to collect or distribute the second heat exchange medium.
  • the header box 1 includes a cover plate 11 and a bottom plate 10.
  • the cover plate 11 is provided with a groove 111 extending along the length direction L of the cover plate 11.
  • the groove 111 includes an open end 111 a adjacent to the bottom plate 10.
  • the bottom plate 10 is provided with an elongated hole 1010 for inserting the flat tube 30 (combined with FIG. 35).
  • the elongated hole 1010 includes a first opening 1010a near the cover plate 11 and a second opening 1010b far from the cover plate 11.
  • the cross-sectional area of the first opening 1010a is larger than the cross-sectional area of the second opening 1010b.
  • At least a part of the open end 111a is in communication with the first opening 1010a (combinable with FIG.
  • the number of the grooves 111 and the number of the long holes 1010 are not limited in this application, and can be determined according to the specific application environment.
  • the opening area flows from the large to small long holes into the flat tube, thereby reducing the resistance of the first heat exchange medium to flow in the header box.
  • the cross-section of the groove 111 may be semi-circular, triangular, rectangular, or semi-elliptical, or a combination of two or more of the above.
  • the bottom plate 10 may be a flat plate provided with a long hole
  • the cover plate 11 includes a plurality of groove edges 117 on both sides of the groove, and an end surface S1 of the groove edge 117 is substantially flat.
  • the end faces S1 of the plurality of groove edges 117 are located substantially in the same plane (combined with FIG. 34), so that the portion of the cover plate 11 that is in contact with the bottom plate 10 can be closely sealed.
  • the elongated hole 1010 may be a stepped hole (combined with FIG. 31), which is helpful to increase the flow rate of the first heat exchange medium that enters the elongated hole 1010 from the first opening, that is, it is beneficial to improve the speed of entering the flat tube 30.
  • the length direction of the elongated hole 1010 may be substantially the same as the width direction W of the cover plate 11. Of course, it can be different.
  • the bottom plate may be an integrally formed plate, or may be formed by splicing two or more plates, such as by welding a plurality of plates.
  • the plurality of plates are provided with a hole portion forming the elongated hole 1010.
  • the bottom plate 10 includes a first plate-like member 1001 connected to the cover plate 11, a third plate-like member 1003 remote from the cover plate, and a first plate-like member disposed between the first plate-like member 1001 and the third plate-like member 1003.
  • Two plate-like members 1002 (combined with FIG. 29, FIG. 31, and FIG. 32).
  • the first plate-like member 1001, the second plate-like member 1002, and the third plate-like member 1003 can be spliced by welding.
  • the long hole 1010 includes a first hole portion 1011, a second hole portion 1012, and a third hole portion 1013 (combined with FIG. 31).
  • the first hole portion 1011 penetrates the first plate-like member 1001, the second hole portion 1012 penetrates the second plate-like member 1002, and the third hole portion 1013 penetrates the third plate-like member 1003. .
  • the direction in which the sidewalls of the third hole portion 1013, the second hole portion 1012, and the first hole portion 1011 extend is the same as the length direction of the flat tube 30 (see FIG. 31).
  • the width D3 of the third hole portion 1013 is equal to the thickness T of the flat tube to ensure that the flat tube and the third hole portion 1013 are abutted to prevent the first heat exchange medium in the header box from leaking out.
  • the size range of the width D2 of the second hole portion 1012 may be approximately 2.25 mm to 3.75 mm, and the size range of the width D1 of the first hole portion may be approximately 3.375 mm to 5.625mm.
  • the opening 1010 may not be a stepped hole.
  • the opening 1010 is substantially flared (combined with FIG. 31B).
  • the bottom plate 10 is welded from the first plate-like member 1001 and the second plate-like member 1002.
  • the opening 1010 includes a first hole portion 1011 and a second hole portion 1012.
  • the first hole portion 1011 penetrates the first plate-like member 1001, and the second hole portion 1012 penetrates the second plate-like member 1002.
  • the first hole portion 1011 is substantially trumpet-shaped, and an end with a larger opening of the first hole portion 1011 is closer to the cover plate 11 than an end with a smaller opening.
  • the width D3 of the third hole portion 1013 is smaller than the thickness T of the flat tube, so as to ensure that the flat tube fits the third hole portion 1013.
  • An end portion of the flat tube 30 passes through the third hole portion 1013 and is closer to the cover plate 11 than the third hole portion 1013.
  • the end of the flat tube 30 is located in the second hole portion 1012, so that a gap is formed between the outer wall surface of the flat tube 30 and the inner wall surface of the second hole portion, which can effectively prevent the third plate-shaped member.
  • the solder between 1003 and the second plate-like member 1002 blocks the nozzle of the flat tube 30.
  • the header box 2 has a bottom plate 20 and a cover plate 21, and the bottom plate of the header box 2 is correspondingly provided with a long hole for the other end of the flat tube 30 to be inserted, so that the flat tube 30 and the The inside of the header box 2 is communicated.
  • the structure of the header box 2 is basically the same as that of the header box 1. For details, reference may be made to the related description of the header box 1.
  • first end 403 of the casing 4 is provided with a first header 5, and the second end 405 is provided with a second header 6.
  • the first header 5 is in communication with the header box 1, and the second header 6 is in communication with the header box 2.
  • one end of the groove 111 is closed along the length direction L of the cover plate 11, and the other end thereof has an opening 1112.
  • the opening 1112 is connected to a first header 5 for collecting or distributing a first heat exchange medium.
  • a side of the first header 5 facing the header box 1 is provided with a header hole 51 corresponding to the opening 1112 for the first heat exchange medium to enter and exit the header box 1 (can be combined with FIG. 29 , Figure 34 and Figure 35).
  • the groove 211 of the cover plate 21 of the header box 2 has substantially the same structure as the groove 111.
  • the second header 6 is correspondingly provided with a header 61 for the first heat exchange medium to enter and exit the header box 2 (combined with FIGS. 29 and 36).
  • first header pipe 5 One end of the first header pipe 5 is sealed, and the other end is provided with a first external pipe 52 to flow into or from the first header pipe 5 to the first heat exchange medium.
  • first external pipe 52 One end of the second header 6 is sealed, and the other end is provided with a second external tube 62, corresponding to flowing out of the second header 6 or flowing into the second header 6 into the first heat exchange medium.
  • first header 5 and the second header 6 are arranged diagonally outside the casing 4, so that the first heat exchange medium is distributed more evenly, and the heat exchange effect is improved, so that the first exchange
  • the heat medium and the second heat exchange medium form countercurrent heat exchange, so that the heat exchange between the two is more sufficient.
  • first header 5 and the second header 6 can also be set in other ways, and can be set according to the specific application environment, which is not limited in this application.
  • one of the headers communicates with the cavity in the housing by communicating with the header box, and Another header can communicate directly with the cavity in the housing.
  • the cover plate 11 of the header box 1 is provided with a partition plate 1130, and a lower end surface of the partition plate 1130 abuts an upper surface of the bottom plate 10 to separate the groove 111 into at least two mutually isolated spaces. Cavity 15 and cavity 16.
  • the cover plate 11 may be provided with a row of first partition holes 118. A partition 1130 is inserted into the first partition hole 118 to divide the groove 111 into two mutually isolated chambers 15. And the chamber 16 (that is, the internal space of the header box 1 is divided into two mutually isolated chambers 15 and 16) (combined with FIGS. 28, 29, 35, 37, and 38).
  • the first partition holes 118 are provided along the width direction W of the cover plate 11 so that the chambers 15 and 16 are distributed along the length direction L of the cover plate 11.
  • the cover plate 21 may also be provided with a partition plate 2130, and an upper end surface of the partition plate 2130 abuts a lower surface of the bottom plate 20 to divide the groove 211 of the header box 2 into two mutually isolated chambers. 25 ⁇ Chamber 26.
  • the cover plate 21 may also be provided with a row of second partition holes (not shown) for inserting the partition plate 2130. For details, refer to the related description of the cover plate 11, and details are not described herein.
  • first partition hole 118 and the second partition hole are staggered in the direction in which the flat tubes 30 are stacked (that is, staggered in the direction indicated by the directional arrow 101 shown in FIG. 37), that is, The partition plate 1130 and the partition plate 2130 are staggered along the stacking direction of the flat tubes 30 (combined with FIG. 37 and FIG. 38), so that a plurality of flat tubes 30 can be divided into communication chambers 15 and 25.
  • the number of flat tubes included in the first tube group 31, the second tube group 32, and the third tube group 33 is different.
  • the number of flat tubes N1 of the first tube group 31, the number of flat tubes N2 of the second tube group 32, and the number of flat tubes N3 of the third tube group 33 may satisfy the following relationship: N1> N2 > N3.
  • N1: N2: N3 10: 7: 4.
  • the first heat exchange medium When the heat exchanger is in the evaporator working mode, the first heat exchange medium enters from the first header 5 and flows out from the second header 6 after heat exchange.
  • the specific flow direction of the first heat exchange medium may be shown in combination with the directed lines in FIG. 38.
  • the first heat exchange medium When the heat exchanger is in the condenser working mode, the first heat exchange medium enters from the second header 6 and flows out from the first header 5 after heat exchange.
  • the specific flow direction of the first heat exchange medium can be combined with the directional lines shown in FIG. 37 to increase the flow of the first heat exchange medium in the heat exchanger and increase the flow rate of the first heat exchange medium.
  • the cover plate 11 may be provided with a row of first partition holes, and of course, multiple rows of first partition holes may be provided to separate the grooves of the header box 1 into more isolated chambers.
  • the cover plate 21 of the header box 2 may also be provided with a row of second partition holes or a plurality of rows of second partition holes.
  • only one of the cover plate 11 and the cover plate 21 is provided with a row of partition holes, and the other is not provided with a partition hole. This application does not limit this.
  • the number of rows of the partition holes provided in the cover plate 11 and the cover plate 21 may be the same or different. This application does not limit this, and can be determined according to the specific application environment.
  • a heat dissipation member 39 is provided in the heat exchange channel 401.
  • the heat dissipation member 39 may be a heat exchange fin, such as a zigzag heat exchange fin, a corrugated heat exchange fin, or the like.
  • the heat dissipating member 39 may be fixedly disposed on the bottom plate of the header box through an end, or fixed on the bottom of the header box through a stopper, or fixed on a flat tube by means of brazing or the like.
  • a flow channel 390 is provided between the end of the heat sink 39 and the end surface of the header box 1 and 2 close to the core body 3 for the second heat exchange medium to flow, and the flow channel 390 communicates with the opening.
  • the portions 411 and 433 reduce the flow resistance to the second heat exchange medium and improve the flow speed and uniformity of the second heat exchange medium.
  • the heat sink 39 is composed of two or more racks 97 arranged in parallel (combined with FIGS. 40A, 40C, and 40D).
  • the rack 97 includes two or more convex frames 971 arranged at intervals.
  • the convex frame 971 includes a convex frame top 9711 and a folding plate 9712 connected to two ends of the convex frame top 9711 respectively.
  • the included angle ⁇ between the folding plate 9712 and the top of the convex frame 9711 is greater than 90 °, so that the cross section of the convex frame 971 can be substantially trapezoidal.
  • the convex frames of adjacent racks are staggered along the rack length direction (the direction indicated by arrow C in FIG. 40D and the opposite direction).
  • the second heat exchange medium flows in the direction shown by arrow B in FIG. 40D or the opposite direction, destroying the boundary layer between the second heat exchange medium and the heat sink 39, and increasing the Disturbance of the heat exchange medium, thereby increasing the heat transfer coefficient of the second heat exchange medium on the surface of the heat sink 39.
  • the resistance of the heat exchange fins to the flow of the second heat exchange medium is greatly reduced.
  • the heat dissipating member 39 has a notch 391 on a side near the opening 411 and a notch 392 on a side near the opening 433 (combined with FIGS. 28-30 and 39A to 40D).
  • the notches 391 and 392 form flow channels 390 through which the second heat exchange medium circulates, so that the chamber 40 can communicate with the openings 411 and 433, thereby reducing flow resistance to the second heat exchange medium.
  • a height of a side of the flow channel 390 near the opening 411 is greater than a height of a side far from the opening 411.
  • a condition between a height d of an end of the flow channel 390 adjacent to the opening 411 and a width D of the heat sink 39 is satisfied: 0.15D ⁇ d ⁇ 0.25D.
  • an effective heat exchange area of the heat dissipation member 39 is ensured. More preferably, the value of d is 0.2D.
  • the heat dissipating member 39 includes a main body portion, and a part of the main body portion extends to two ends to form a limiting portion 393 to facilitate the positioning of the heat dissipating member 39 while ensuring the size of the heat dissipating member 39.
  • the limiting portion 393 is located on a side far from the opening portion 411.
  • the heat dissipating member 39 at the corresponding end of the notch portion 391 has an inclined edge 394 (shown in combination with FIG. 40A), and the heat dissipating member 39 at the corresponding end of the notch 392 also has an inclined edge.
  • an end surface of the limiting portion 393 is a straight edge.
  • the length L of the end surface may be approximately 5 mm to 10 mm, so as to ensure the flow of the second heat exchange medium and ensure the fixation of the heat sink 39.
  • the inclined edge 394 may be a straight edge (shown in conjunction with FIG. 40A).
  • the inclined edge 394 may also be a stepped edge (combined with FIG. 40B), a curved edge, or the like. This application does not limit this, and can be set according to the specific application environment.
  • the shape of the notch 392 and the notch 391 may be substantially the same.
  • the shape of the notch 392 and the notch 391 may be substantially the same.
  • the end of the heat sink 39 may be substantially straight.
  • the upper end portion of the heat sink 39 is located substantially below the side wall opening 411 to form a flow channel 390, thereby ensuring that the second heat exchange medium flows into the cavity 40 smoothly, that is, the second heat exchange medium flows in and exchanges smoothly.
  • the hot aisle 401 (combining FIG. 39B, FIG. 39D, and FIG. 39E).
  • a limiting member 395 is provided on one side of the header box 1 and 2 near the core body 3. One end of the limiting member 395 abuts the end of the heat sink 39 and the other end is disposed on The header box 1, 2. At the same time, the limiting member 395 is partially or completely located on a side of the flow channel 390 away from the openings 411 and 433. An end portion of the heat sink 39 is substantially straight, and a flow channel 390 is formed between the header and the end of the heat sink for the second heat exchange medium to flow, so that the chamber 40 can communicate with the openings 411, 433 is connected to reduce the flow resistance to the second heat exchange medium.
  • the bottom plate 10 is provided with a socket 109 for inserting a limiting member 395.
  • the insertion hole 109 is located at an end of the bottom plate 12 remote from the opening portion 411, and the insertion hole 109 is located between the adjacent long holes 1010.
  • the extension direction of the insertion hole 109 may be the same as that of the elongated hole 1010, or may be different.
  • the extension length of the insertion hole 109 is smaller than the extension length of the long hole 1010.
  • the limiting member 395 may be an independent component, and may be disposed on the base plate 10 by welding. Of course, the limiting member 395 can also be provided integrally with the bottom plate 10.
  • the limiting member 395 may have various shapes.
  • the cut surface of the limiting member 395 may be one of a triangular shape, a rectangular shape, a semicircular shape, or an elliptical shape, or a combination of multiple shapes.
  • the two flow channels 390 at both ends of the heat sink 39 may be substantially the same (combined with FIG. 39A) or different (combined with FIG. 39D), and may be set according to the specific application environment. This is not limited.
  • heat dissipating member 39 can also be directly fixed on the flat tube, and does not need to be set by a limiting member.
  • the relationship between the width W of the heat exchange channel 401 and the thickness T of the flat tube 30 satisfies a condition: 2T ⁇ W ⁇ 3.25T.
  • the width W of the heat exchange channel 401 is approximately 3 mm to 8.125 mm.
  • the third header 7, the fourth header 8 and the casing 4 are independent components (can be combined with FIG. 41A).
  • An opening 71 corresponding to the opening portion 411 is provided on a side of the third header 7 near the housing 4, and a corresponding opening 433 is provided on a side of the fourth header 8 near the housing 4.
  • a hole 81 is opened for the second heat exchange medium to enter and exit the heat exchange channel 401.
  • the third and fourth headers 7, 8 and the casing 4 may also be integrally formed (combined with FIG. 41B).
  • One end of the third header 7 is sealed, and the other end is provided with a third external tube 72 to flow into or out of the third header 7 from the second heat exchange medium.
  • One end of the fourth header 8 is sealed, and the other end is provided with a fourth external tube 82, corresponding to flowing out of the fourth header 8 or flowing into the fourth header 8 into a second heat exchange medium (can be combined with FIG. 29 ).
  • the second heat exchange medium can enter the fourth header 8 from the fourth external pipe 82, and then enter the heat exchange channel to exchange heat with the first heat exchange medium through the flat tube, and then flow into the third header 7, Finally, it flows out from the third external pipe 72, as shown by the directed lines in FIG. 41A or 41B.
  • both ends of the third header 7 are sealed, and fifth and sixth external tubes 83 and 84 are respectively provided at both ends of the fourth header 8 (can be combined with FIG. 42).
  • the fourth header 8 is provided with a partition 88 to divide the inner pipe of the fourth header 8 into two header chambers 85 and 86 which are isolated from each other.
  • the collecting cavity 85 is in communication with the fifth external tube 83
  • the collecting cavity 86 is in communication with the sixth external tube 84, so that the second heat exchange medium can enter the corresponding heat exchange channel from the fifth external tube 83, and After changing the flow direction through the third header 7, it flows out from the sixth external tube 84 after passing through another part of the heat exchange channel, as shown by the directed line in FIG. It can be seen that this arrangement can increase the heat exchange process of the second heat exchange medium, and is conducive to increasing the flow rate of the second heat exchange medium, thereby improving the heat exchange efficiency of the heat exchanger.
  • the third and fourth headers 7 and 8 are arranged diagonally outside the casing 4 so that the second heat exchange medium and the first heat exchange medium form countercurrent heat exchange, so that the two The heat exchange is more sufficient.
  • the third header and the fourth header can also be set in other ways, and can be set according to the specific application environment, which is not limited in this application.
  • the above-mentioned casing 4 may only include a side wall, and the bottom plates 10 and 20 of the header boxes 1 and 2 provided at both ends and the casing 4 together form a sealed cavity.
  • the housing may also include an end wall (not shown) that can closely fit the bottom plate of the header box to form the chamber, and the end wall should be provided with a hole through which the flat tube passes. .
  • the housing may be similarly provided.
  • the casing 4 may be an integrally formed integral structure, or may include at least two plates, and the at least two plates are welded together.
  • the casing 4 may include a first side wall 41, a second side wall 42, a third side wall 43, and a fourth side wall 44.
  • the first side wall 41, the second side wall 42, the third side wall 43, and the fourth side wall 44 may be a whole, or may be divided into at least two independent parts. If the shell is formed by splicing at least two plates, there is an overlapped part at the splicing place to ensure the welding area and increase the strength of the shell (combined with FIGS. 43A, 43B, 43C, and 43D).
  • the case 4 is formed by splicing four independent side walls.
  • the side edge 412 of the first side wall 41 and the side edge 442 of the fourth side wall 44 are partially overlapped and welded.
  • the other side edge 413 of the first side wall 41 and the side edge of the second side wall 42 are welded together.
  • 421 has partial overlap welding.
  • the other side edge 422 of the second side wall 42 and the side edge 431 of the third side wall 43 are partially overlapped and welded.
  • the other side edge 432 of the third side wall 43 and the side edge 441 of the fourth side wall 44 are partially overlapped and welded.
  • the housing 4 includes two plates that are independent of each other, and the two plates are welded together.
  • the first side wall 41, the fourth side wall 44 and the third side wall 43 shown in FIG. 43B are integrally formed.
  • the side edges 421 and 422 are overlapped and welded with the side edges 413 and 431, respectively.
  • the first side wall 41 and the second side wall 42 shown in FIG. 43C are integrally formed, and the third side wall 43 and the fourth side wall 44 are integrally formed.
  • the side edges 412 and 422 are overlapped and welded with the side edges 442 and 431, respectively.
  • first side wall 41 and the second side wall 42 shown in FIG. 43D are integrally formed, and the third side wall 43 and the fourth side wall 44 are integrally formed.
  • the difference from FIG. 43C is that the casing 4 shown in FIG. 43D is formed by splicing two identical plates, which is beneficial to mass production and processing.
  • the shell 4 is provided with a plurality of fold structures 45 (can be combined with FIG. 30) to release the thermal stress generated during the heat exchange process and enhance the strength of the shell .
  • the pleated structure 45 may extend substantially along the stacking direction of the flat tubes 30.
  • the fold structure 45 is distributed on the two opposite side walls 41 and 43.
  • the fold structure can also be distributed on the side walls 42, 44.
  • the plurality of fold structures 45 are substantially uniformly distributed.
  • the plurality of folds may be unevenly distributed.
  • the pleated structure 45 may protrude toward the outside of the casing (combined with FIG. 44), or may protrude toward the inside of the casing (not shown). This application does not limit this.
  • the number of the pleated structures 45 may be only one. This application does not limit this, and can be set according to the specific application environment.
  • the heat exchanger may not include a casing, and the first heat exchange medium flowing through the flat tube performs heat exchange with outside air.

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  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

集管箱(1,2)及换热器(100)。换热器(100)包括集管箱(1,2)和扁平管(30)，集管箱(1,2)包括盖板(11,21)和底板(10,20)，盖板(11,21)设置有沿盖板(11,21)的长度方向延伸的凹槽(111,211)，凹槽(111,211)包括开口部(111a,211a)，底板(10,20)设置有插接扁平管(30)的开孔(1010,201)，开孔(1010,201)贯穿底板(10,20)上下表面，开孔(1010,201)包括靠近盖板(11,21)的第一开口(1010a)和远离盖板(11,21)的第二开口(1010b)，第一开口(1010a)的截面面积大于第二开口(1010b)的截面面积，凹槽(111,211)的开口部(111a,211a)朝向底板(10,20)设置。

Description

集管箱及换热器
相关申请的交叉引用
本申请要求于2018年5月25日递交的、申请号为201810517648.4、发明名称为“换热器”的中国发明专利申请，于2018年5月25日递交的、申请号为201810517647.X、发明名称为“换热器”的中国发明专利申请，于2018年5月25日递交的、申请号为201810517644.6、发明名称为“集管箱及换热器”的中国发明专利申请，于2018年6月5日递交的、申请号为201810569282.5、发明名称为“集管箱及换热器”的中国发明专利申请的优先权，该申请的全文以引用的形式并入本文中用于所有目的。
技术领域
本申请涉及热交换领域，尤其涉及集管箱及换热器。
背景技术
换热器，也称热交换器，被广泛应用于换热系统(比如空调系统)中。换热器可用于冷媒和外部空气之间进行热量交换，也可用于冷媒与冷却液之间进行热量交换。换热器中换热介质的流动速度也是影响其换热效率的重要因素。
在汽车空调系统中，要求尽量减小换热器中集管箱的高度，在不扩大换热器占用空间的情况下，集管箱高度减小则换热芯体的体积增加，有助于提高换热器的换热量。
对于采用CO 2等作为冷媒的换热器，由于CO 2制冷系统运行压力高，对换热器也提出了很高的耐压性能要求。
发明内容
有鉴于此，本申请公开了一种集管箱和换热器。
根据本申请的一方面，提供了一种集管箱，包括底板，包括第一表面和与所述第一表面相对的第二表面，至少部分所述第一表面向内凹陷形成至少一个第一孔，所述第一孔沿所述底板的长度方向延伸，至少部分所述第二表面向内凹陷形成至少两个第二孔，所述第二孔沿所述底板的宽度方向延伸；其中，所述第一孔连通至少两个所述第二孔，能够使得流经所述第一孔的流体分配到至少两个所述第二孔，或者能够使得流经所述第二孔的流体汇集到所述第一孔；及盖板，贴合设置于所述第一表面，以封堵所述第一孔位于所述第一表面的开口。
根据本申请的另一方面，提供了一种集管箱，包括盖板和底板，所述盖板设置有沿所述盖板的长度方向延伸的凹槽，所述凹槽包括开口部，所述底板设置有插接扁平管的开孔，所述开孔贯穿所述底板上下表面，所述开孔包括靠近所述盖板的第一开口和远离 所述盖板的第二开口，所述第一开口的截面面积大于所述第二开口的截面面积，其中，所述凹槽的开口部朝向所述底板设置。
根据本申请的又一方面，提供了一种换热器，包括壳体，所述壳体内形成有腔室；芯体，所述芯体部分或全部容纳于所述腔室内，所述芯体包括用于流通第一换热介质的扁平管；如上述方面中任一方面所述的集管箱；所述壳体的侧壁设置有连通所述腔室的开口部，所述开口部沿所述扁平管的堆叠方向延伸。
附图说明
图1为本申请一示例性实施例的一种换热器的整体结构示意图；
图2为图1所示换热器的一部分分解示意图；
图3为图1所示换热器的另一部分分解示意图；
图4为图1所示换热器的又一部分分解示意图；
图5为本申请一示例性实施例的另一种换热器的整体结构示意图；
图6为本申请一示例性实施例的一种芯体内组件的结构示意图；
图7为本申请一示例性实施例的一种芯体外组件的结构示意图；
图8为图7所示芯体外组件的分解图；
图9为本申请一示例性实施例的另一种芯体内组件的分解图；
图10为本申请示例性实施例的另一种换热器的局部结构示意图；
图11为本申请一示例性实施例的一种第一板状件的结构示意图；
图12为图11所示第一板状件的俯视图；
图13为图11所示第一板状件的侧视图；
图14为图11所示第一板状件的仰视图；
图15为本申请示例性实施例的另一种换热器的剖视图；
图16为本申请示例性实施例的又一种换热器的局部结构示意图；
图17为扁平管和散热件组合件的局部结构示意图；
图18是本申请示例性实施例的一种换热器的结构示意图；
图19是图18所示换热器的部分结构示意图；
图20是本申请示例性实施例的一种集管箱的结构示意图；
图21是本申请示例性实施例的一种盖板11的结构示意图；
图22是本申请示例性实施例的一种第二板状件的结构示意图；
图23是本申请示例性实施例的一种第一板状件的结构示意图；
图24是图18所示换热器的局部结构剖视图；
图25是图21所示盖板11的侧视图；
图26是本申请示例性实施例的另一局部结构剖视图；
图27为本申请示例性实施例的一种换热器的结构示意图；
图28为图27所示换热器的部分分解示意图；
图29为图27所示换热器的分解示意图；
图30为本申请示例性实施例的另一种换热器的部分结构示意图；
图31A为本申请示例性实施例的扁平管和底板的安装结构示意图；
图31B为本申请示例性实施例的扁平管和底板的另一种安装结构示意图；
图32为图27所示的换热器的部分结构示意图；
图33为图27所示的换热器的另一视角的部分结构示意图；
图34为本申请示例性实施例的一种盖板的结构示意图；
图35为本申请示例性实施例的一种集管箱及集流管的分解示意图；
图36为本申请示例性实施例的另一种集管箱及集流管的分解示意图；
图37为图27所示换热器在一种工作模式下的结构示意图；
图38为图27所示换热器在另一种工作模式下的结构示意图。
图39A为本申请示例性实施例的具有一种流道的换热器的结构示意图；
图39B为本申请示例性实施例的具有另一种流道的换热器的部分结构示意图；
图39C为图39B换热器的部分结构示意图；
图39D为本申请示例性实施例的具有另一种流道的换热器的结构示意图；
图39E为本申请示例性实施例的具有另一种流道的换热器的结构示意图；
图40A为本申请示例性实施例的一种散热件的结构示意图；
图40B为本申请示例性实施例的另一种散热件的结构示意图；
图40C为图40A所示散热件的立体结构示意图；
图40D为图40C所示散热件的部分结构示意图；
图41A为本申请示例性实施例的壳体与集流管独立设置的结构示意图；
图41B为本申请示例性实施例的壳体与集流管一体设置的结构示意图；
图42为本申请示例性实施例的一种多流程的壳体与集流管的结构示意图；
图43A为本申请示例性实施例的一种壳体的结构示意图；
图43B为本申请示例性实施例的另一种壳体的结构示意图；
图43C为本申请示例性实施例的另一种壳体的结构示意图；
图43D为本申请示例性实施例的又一种壳体的结构示意图；
图44为本申请示例性实施例的一种褶皱结构的结构示意图；
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本申请相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本申请的一些方面相一致的装置和方法的例子。
在本申请使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本申请。在本申请和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。
应当理解，本申请说明书以及权利要求书中使用的“第一”“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”或者“一”等类似词语也不表示数量限制，而是表示存在至少一个；“多个”表示两个及两个以上的数量。除非另行指出，“前部”、“后部”、“下部”和/或“上部”等类似词语只是为了便于说明，而并非限于一个位置或者一种空间定向。“包括”或者“包含”等类似词语意指出现在“包括”或者“包含”前面的元件或者物件涵盖出现在“包括”或者“包含”后面列举的元件或者物件及其等同，并不排除其他元件或者物件。
下面结合附图，对本申请示例性实施例的换热器进行详细说明。在不冲突的情况下，下述的实施例及实施方式中的特征可以相互补充或相互组合。
图1是本申请一示例性实施例的一种换热器100的结构示意图，该换热器100可用做冷凝器、蒸发器以及其他换热器件。且该换热器100可应用于各种换热系统中，比如CO 2制冷系统，也适用于汽车等领域。
请参照图1，并在必要时结合图2至图44。该换热器100包括集管箱1、集管箱2、芯体3及壳体4。所述集管箱1和集管箱2位于所述壳体4的两端，所述壳体4的端结构具体会在下述实施例中详细描述，此处不予以赘述。所述壳体4内部形成有腔室400，所述芯体3的部分或全部容纳于所述腔室400内。
所述芯体3包括用于流通第一换热介质的扁平管30。所述扁平管30间隔设置于所述壳体4内部的所述腔室400内，以将所述腔室400分割为多个用于流通第二换热介质的换热通道401。其中，相邻的换热通道401之间可以连通，也可以不连通，本申请对此不做限定，可根据具体应用环境进行设置。
所述扁平管30的个数可以是一个或多个。扁平管可以是微通道扁管，包括沿扁平管30的宽度方向排布的多个微通道302(可结合图17)。采用微通道扁管可更好的增加扁平管的强度，从而提高换热器的稳定性及安全性。若所述扁平管为多个时，所述多个扁平管可以间隔平行设置。此外，所述扁平管的每层可以为一个扁平管，也可为多个扁平 管在同一平面内排列而成的宽幅扁管。本申请对扁平管的种类、个数及设置方式不做具体限定，可根据应用环境进行确定。
在一些实施例中，所述集管箱1包括第一底板10和盖板11。第一底板10包括第一表面101和与第一表面101相对的第二表面102。至少部分第一表面101向内凹陷形成至少一个第一孔105，所述第一孔105沿所述第一底板10的长度方向L1延伸。至少部分第二表面102向内凹陷形成至少一个第二孔106，所述第二孔106沿所述第一底板10的宽度方向W1延伸。其中，所述第一孔105连通至少两个第二孔106，能够使得流经所述第一孔105的流体(即第一换热介质)分配到至少两个所述第二孔106，或者能够使得流经所述第二孔106的第一换热介质汇集到所述第一孔105，以使第一换热介质分配的更加均匀。此外，采用这种第一底板10，其结构简单，体积和重量较小，有利于减小材料用量，从而有利于降低换热器的重量。
所述盖板11贴合设置于所述第一表面101，封堵所述第一孔105的开口1051。
所述第一底板10可以是一体成型的板件，也可由两个或更多个板件拼接而成，比如由多层板件焊接而成。对于由多个板件拼接而成的第一底板10而言，所述多个板件开有所述第一孔105及第二孔106。
在一些实施例中，所述第一底板10为一个板件结构(可结合图9至图15)。其中，所述第一底板10靠近所述盖板11的一侧为第一表面101，第一底板10远离盖板11的一侧为第二表面102。
在另一些实施例中，所述第一底板10包括相互焊接的第一板状件1001和第二板状件1002(可结合图16)。所述第一板状件1001贴合设置于所述第二板状件1002靠近所述盖板11的一侧。所述第一板状件1001邻近所述盖板11的一侧为第一表面101，第二板状件1002远离盖板11的一侧为第二表面102。其中，第一板状件1001开设有第一孔105，第二板状件1002开设有第二孔106。第一孔105贯穿第一板状件1001，第二孔106贯穿第二板状件1002。
进一步，所述第二孔106包括连通所述第一孔105的第一开口和远离所述第一孔105的第二开口。可选的，所述第一开口的横截面面积大于第二开口的横截面面积。当然所述第一开口的横截面面积也可与第二开口的横截面面积相等。
进一步，在一些实施例中，所述集管箱1除了包括第一底板10和盖板11以外，还包括第二底板12。该第二底板12设置于所述第一底板10的背离所述盖板11的一侧。所述第二底板12设置有与所述第二孔106一一对应的第三孔108。
可选的，所述第三孔108的横截面面积小于所述第二孔106的横截面面积。扁平管30一端的端面可位于第二孔106内，以使扁平管30的外壁面和所述第二孔106内壁面之间形成间隙，可有效防止第一底板10和第二底板12之间的焊料堵塞扁平管30的管口，也有利于防止盖板11与第一底板10之间的焊料堵塞扁平管30的管口。
所述第三孔108的边沿向远离所述盖板11的一侧延伸预定距离形成翻边107，在节省一层板件的同时，可保证扁平管30的插入深度，从而保证扁平管30端部与集管箱1的焊接面积，有利于提高结构的焊接强度。
相应地，扁平管30的端部可设置缩口部301，该缩口部301包括侧壁3012和定位面3011(可结合图17)。该缩口部301的部分插接于第三孔108内，另一部分插接于第二孔106内，侧壁3012与翻边107的内壁、第三孔108的内壁以及第二孔106的内壁贴合，定位面3011抵接于翻边107的端面，以便于扁平管30的安装定位，降低扁平管30和集管箱1的装配难度。缩口部301可通过缩口工装进行缩口加工而得。该缩口部301的高度h可根据扁平管30所需插入第二孔106的深度进行设置。
进一步，所述集管箱2可作为下集管箱。该集管箱2包括盖板21及第三底板20(可结合图9)。
盖板21设置有沿所述盖板21的长度方向L2延伸的凹槽211，所述凹槽211包括开口部211a，所述开口部211a朝向所述第三底板20设置，所述第三底板20设置有与开口部211a连通的第四孔201。相应的，所述扁平管30的一端可插接于第四孔201。可选的，所述第四孔201的延伸方向垂直于所述凹槽211的延伸方向。需要说明的是，对于本申请实施例中的垂直这一特征而言，由于加工导致的微小偏差，应当理解为也在此保护范围之内。
所述第三底板20可以是一体成型的板件，也可由两个或更多个板件拼接而成，比如由多层板件焊接而成。对于由多个板件拼接而成的第三底板20而言，所述多个板件开有形成所述第四孔201的孔部。
比如，在一些实施例中，第三底板20包括与盖板21相连的第三板状件2001以及远离盖板21的第四板状件2002。所述第三板状件2001开设有形成第四孔201的第一孔部2011，所述第四板状件2002开设有形成第四孔201的第二孔部2012。所述第一孔部2011贯穿第三板状件2001，所述第二孔部2012贯穿第四板状件2002。
可选的，所述第一孔部2011的横截面面积大于所述第二孔部2012的横截面面积。所述扁平管30的另一端面可位于所述第一孔部2011内，所述扁平管30的外壁面和所述第一孔部2011内壁面间形成间隙。可有效防止第三板状件2001和第四板状件2002之间的焊料堵塞扁平管30的管口，也有利于防止盖板21与第三板状件2001之间的焊料堵塞扁平管30的管口。
所述第四孔201的边沿向远离所述盖板21的一侧延伸预定距离形成翻边207。在节省一层板件的同时，可保证扁平管30的插入深度，从而保证扁平管30端部与集管箱2的焊接面积，有利于提高结构的强度。相应地，扁平管30插入第四孔201的端部同样可设置缩口部。具体可参照上述缩口部301的相关描述，此处不予以赘述。
所述凹槽211中设置有隔板212，以将所述凹槽211分隔为两个相互隔离的第一、二腔室213、214。第一腔室213和第二腔室214大致沿凹槽的长度方向分布，使得多个扁平管30可分为连通第一腔室213和集管箱1内部(比如第一孔105)的第一管组31，及连通集管箱1的内部(如第一孔105)和第二腔室214的第二管组32，以增加第一换热介质的流程，有利于提高第一换热介质的流速，提高换热器的换热效率。需要说明的是，凹槽也可被分隔为三个以上的腔室。本申请对此不做限定，可根据具体应用环境进行设置。
进一步，沿所述盖板21的长度方向L2，盖板21的一端设置有连通所述第一腔室 213的第一集流管5，另一端设置有连通第二腔室214的第二集流管6。
第一集流管5的一端密封，另一端设置有第一外接管52，以向第一集流管5流入或从第一集流管5流出第一换热介质。所述第一集流管5靠近集管箱2的一侧开设有一个或多个集流孔51。集流孔51与第一腔室213连通，以向集管箱2流入或从集管箱2中流出第一换热介质。第二集流管6的一端密封，另一端设置有第二外接管62，以对应从第二集流管6流出或向第二集流管6流入第一换热介质。所述第二集流管6靠近集管箱2的一侧同样开设有一个或多个集流孔(未示出)，该集流孔与第二腔室214连通，以对应从集管箱2流出或向集管箱2中流入第一换热介质。
比如，第一换热介质可自第一外接管52进入第一集流管5，自第一集流管5流入集管箱2的第一腔室213，经第一管组31流入集管箱1，自集管箱1的第一孔105流入第二管组32，进而进入第二腔室214，最后经第二集流管6后通过第二外接管62流出。至此，第一换热介质完成一次换热流程。
进一步，所述壳体4包括侧壁40。壳体4的第一端403封闭。而所述壳体4的第二端405敞开，以便于集管箱1、芯体3等部件的安装。其中，侧壁40可包括第一侧壁41、第二侧壁42、第三侧壁43和第四侧壁44四个板件。其中，第一侧壁41、第二侧壁42、第三侧壁43和第四侧壁44可以一体成型，也可焊接连接。
在一些实施例中，所述盖板11包括位于顶端的主体部112和自主体部112的外缘向下延伸的连接部113。在第一端403处，所述侧壁40的外侧的至少部分焊接于所述连接部113的内侧(可结合图2-图4、图10以及图16)。而所述侧壁40的内侧的至少部分与第一底板10的周侧壁103(或第一底板10的周侧壁103和第二底板12的周侧壁)焊接连接，以增加盖板11与侧壁40的焊接面积，从而增强壳体4的焊接强度。
此外，所述连接部113的内侧也可只与第一底板10的周侧壁103焊接连接，或与第一底板10的周侧壁103以及第二底板12的周侧壁焊接连接。而侧壁40的端部与第二底板12焊接。
在另一些实施例中，壳体4还包括位于第一端403的顶壁46，该顶壁46可与侧壁40一体成型(可结合图5、图7及图8)。相应地，集管箱1可不设置盖板，此种情况下，顶壁可作为盖板来封堵所述第一孔105的开口。相较于通过多个板件焊接而得的壳体而言，减少了焊缝，降低了泄露换热介质的风险，有利于提高壳体的强度及密封性。当然，顶壁46也可与侧壁40独立设置，本申请对此不做限定，可根据具体应用环境进行设置。当然，集管箱1也可另外设置盖板。
需要说明的是，所述盖板11可不包括连接部113，则所述侧壁的两端可分别焊接于第二、三底板。而对于未设置有第二底板的换热器而言，侧壁的两端可分别焊接于第一底板和第三底板。
所述壳体4的侧壁的两端设置有连通所述腔室400的开口部411、433。开口部411、433沿所述扁平管30的堆叠方向延伸。
所述壳体4的侧壁设置有第三集流管7、第四集流管8，所述第三集流管7、第四集流管8沿扁平管30的堆叠方向延伸，所述第三集流管7、第四集流管8分别通过所 述开口部411、433连通所述腔室400，以收集或分配第二换热介质，关于第三集流管7、第四集流管8的相关描述具体见下文。
上述的各实施例，可将包括第三、四集流管7、8和壳体4等的组合体作为芯体外组件120，将包括第一集管箱1、扁平管30及第二集管箱2等的组合体作为芯体内组件110。在换热器的具体安装时，芯体外组件120与芯体内组件110可通过嵌套装配在一起，以便于换热器整体的安装。
在一些实施例中，所述集管箱1包括盖板11和底板10。所述盖板11设置有沿所述盖板的长度方向延伸的凹槽111，所述凹槽111邻近所述底板10的一侧敞开，相应地，所述凹槽111包括邻近所述底板10的开口部111a。所述底板10设置有插接所述扁平管30的开孔1010(可结合图19和图20)。在一些实施例中，开孔1010可以大体呈条形，以形成条形插孔。该开孔1010贯穿所述底板10上下表面。可选的，凹槽111的延伸方向与开孔1010的延伸方向可大致垂直。需要说明的是，由于加工导致的微小偏差，应当理解为在此保护范围之内。
所述凹槽111的横断面可为半圆形、三角形、矩形或半椭圆形或以上两种或多种形状的组合。
所述开孔1010包括靠近所述盖板11的第一开口和远离所述盖板11的第二开口，所述第一开口的截面面积大于所述第二开口的截面面积，其中至少有部分开口部111a与所述第一开口连通，以便第一换热介质依次流经凹槽111、开孔1010而流向扁平管30。本申请对所述凹槽111的个数及开孔1010的个数均不做限定，可根据具体应用环境确定。
所述开孔1010可呈阶梯型孔，有利于提高自第一开口进入该开孔1010的第一换热介质的流动速度。当然，所述开孔1010也可不是阶梯型孔。比如，所述开孔1010大致呈喇叭状。
沿盖板11的宽度方向W1，盖板11具有相对的两个侧壁114，底板10具有相对应的两个端面，两个所述端面向盖板11一侧延伸形成包边121，以包覆盖板11的两侧壁114，有利于增加盖板与底板的焊接面积，从而增强集管箱的结构强度。其中，包边121的长度方向L2与盖板11的长度方向L1可大致相同。
在一些实施例中，所述底板为一体成型的板件，则沿所述包边121的长度方向L2，邻接所述包边121的内壁面所述底板可设置有定位槽123。该定位槽123的长度方向L3与包边121的长度方向L2大致相同。该定位槽123具有底壁和两个侧壁。包边121包括朝向侧壁114的内壁1211。其中，定位槽123的一个侧壁与所述内壁1211可大致位于同一平面内。
在另一些实施例中，所述底板10包括设置有所述包边121的第一板状件1200和焊接于第一板状件1200与盖板11之间的第二板状件1300。开孔1010包括第一孔部1011和第二孔部1012。第一孔部1011贯穿第一板状件1200，第二孔部1012贯穿第二板状件1300(可结合图19、图20、图22及图23)。第二板状件1300邻近包边121的端面与包边121之间留有间隙，形成容纳盖板11的侧壁114的定位槽123。所述第二板状件1300包括邻近包边121的端面1311，则所述端面1311可作为定位槽123的一个侧 壁，所述内壁1211的一部分可作为定位槽123的另一个侧壁。
第一板状件1200包括包边121和设置有第一孔部1011的主板件1250。其中包边121和主板件1250可一体设置，比如包边121可由板状件折弯而得，也可通过焊接连接。相应地，主体部1250包括靠近第二板件1300一侧的表面1251，该表面1251的至少一部分可作为定位槽123的底壁。
所述开孔1010的边沿向远离盖板11的一侧延伸预定距离，形成翻边124。在节省一层板件的基础上，保证了开孔1010的深度，以保证扁平管30的插入深度。同时，减少板件之间的焊接，有利于生产加工。
所述盖板11包括多个凹槽，相邻两凹槽之间形成有加强筋1132，加强筋1132的端面S1大致呈平面。其中，多个加强筋1132的端面S1大致位于同一平面内(可结合图21和图25)，使得所述盖板11与底板10接触的部分能够贴合密封。
盖板11的两侧壁114延伸出S1所确定的平面一定的距离，形成凸沿1141。该凸沿1141的至少部分结构可嵌插于所述定位槽123内。从而进一步增加盖板与底板之间的焊接面积，增强集管箱的结构强度。
在一些实施例中，沿盖板11的长度方向L1，盖板11的一端开设有连通凹槽111的缺口部115，该缺口部115设置有封堵件116，以将凹槽111的该端部密封。而盖板11的另一端设置有连通凹槽111的第一集流管5，以收集或分配第一换热介质。第一集流管5邻近盖板11的一侧开设有与凹槽111连通的开口51。并且第一集流管5的一端密封，另一端设置有外接管52。
在另一些实施例中，也可不设置缺口部，封堵件116与盖板11一体成型，或者在加工盖板时，凹槽的一端不穿透。
在另一些实施例中，所述盖板11的两端分别设置有连通所述凹槽111的两个集流管。所述凹槽111内设置有隔板，以将所述凹槽111分割为至少两个相互隔离的腔室，所述至少两个相互隔离的腔室沿所述盖板11的长度方向L1排布，以增加第一换热介质的流程，提高换热效率。以所述凹槽111分割为两个相互隔离的腔室为例，则两个集流管分别连通一个腔室。
如上所述，扁平管30的端部也可设置缩口部301。该缩口部301包括侧壁3012和定位面3011。该缩口部301插接于开孔1010内，侧壁3012与开孔1010的内壁贴合，定位面3011抵接于翻边124的端面1241，以便于扁平管30的安装定位，降低扁平管和集管箱的装配难道。缩口部301可通过缩口工装进行缩口加工而得。该缩口部301的高度h可根据扁平管3所需插入开孔1010的深度进行设置。
所述扁平管30的端面可自第一孔部1011穿过并置于第二孔部1012内。对于第二孔部1012的截面面积大于第一孔部1011的截面面积的结构而言，可使扁平管30的外壁面和所述第二孔部1012的内壁面间形成间隙，可有效防止第一板状件1200和第二板状件1300之间的焊料堵塞扁平管30的管口。
所述扁平管30的一端通过开孔1010与所述集管箱1的内部连通。同样，所述集管箱2具有底板和盖板，并且所述集管箱2的底板相应开设有开孔，以供所述扁平管 3的另一端插入，而使扁平管3与集管箱2的内部连通。所述集管箱2设置有与集管箱2连通的第二集流管6，以收集或分配第一换热介质。同样，第二集流管6的一端密封，另一端设置有外接管62。所述集管箱2与集管箱1的结构基本相同，具体均可参考集管箱1的相关描述，此处不予以赘述。
所述第一、二集流管5、6可位于壳体4外的同侧。当然，所述第一、二集流管5、6也可位于壳体4外的不同侧，比如大致位于所述壳体4外的对角处，使得第一换热介质分配更加均匀，提高换热效果，以便第一换热介质与第二换热介质形成逆流换热，从而使得二者之间换热更加充分。具体可根据应用环境进行设置，本申请对此不做限定。
当然，在一些实施例中，所述壳体的第一端和第二端中也可仅有一端设有集管箱。其中，集管箱的设置情况具体可参照前述相关描述，此处不予以赘述。
所述壳体4的侧壁设置有第三集流管7、第四集流管8，所述第三集流管7、第四集流管8沿扁平管30的堆叠方向延伸，所述第三集流管7、第四集流管8分别通过所述开口部411、433连通所述腔室400，以收集或分配第二换热介质。
在一些实施例中，所述集管箱1包括盖板11和底板10。所述盖板11设置有沿所述盖板11的长度方向L延伸的槽111，所述槽111包括邻近所述底板10的敞口端111a。所述底板10设置有插接所述扁平管30的长条孔1010(可结合图35)。所述长条孔1010包括靠近所述盖板11的第一开口1010a和远离所述盖板11的第二开口1010b，所述第一开口1010a的截面面积大于所述第二开口1010b的截面面积，其中至少有部分敞口端111a与所述第一开口1010a连通(可结合图33)，以便第一换热介质依次流经槽111、长条孔1010而流向扁平管30。本申请对所述槽111的个数及长条孔1010的个数均不做限定，可根据具体应用环境确定。
第一换热介质在流动过程中，经开口面积由大变小的长条孔而流入扁平管，减小第一换热介质在集管箱内流动的阻力。
所述槽111的断面可为半圆形、三角形、矩形或半椭圆形或以上两种或多种形状的组合。可选的，所述底板10可为开设有长条孔的平板件，所述盖板11包括多个位于槽两侧的槽边缘117，所述槽边缘117的端面S1大致呈平面。其中，多个槽边缘117的端面S1大致位于同一平面内(可结合图34)，使得所述盖板11与底板10接触的部分能够贴合密封。
所述长条孔1010可呈阶梯型孔(可结合图31)，有利于提高自第一开口进入该长条孔1010的第一换热介质的流动速度，即有利于提高进入扁平管30的第一换热介质的流速。其中，所述长条孔1010的长度方向可与所述盖板11的宽度方向W大致相同。当然，也可不相同。
所述底板可以是一体成型的板件，也可由两个或更多个板件拼接而成，比如由多层板件焊接而成。对于由多个板件拼接而成的底板而言，所述多个板件开有形成所述长条孔1010的孔部。
比如，所述底板10包括与盖板11相连的第一板状件1001、远离盖板的第三板状件1003及设置于第一板状件1001和第三板状件1003之间的第二板状件1002(可结 合图29、图31和图32)。所述第一板状件1001、第二板状件1002及第三板状件1003可通过焊接的方式拼接。所述长条孔1010包括第一孔部1011、第二孔部1012及第三孔部1013(可结合图31)。所述第一孔部1011贯穿所述第一板状件1001，所述第二孔部1012贯穿所述第二板状件1002，所述第三孔部1013贯穿所述第三板状件1003。
可选的，所述第三孔部1013、第二孔部1012及第一孔部1011的侧壁延伸的方向与扁平管30的长度方向一致(可结合图31)。
其中，第三孔部1013的宽度D3与扁平管的厚度T相等，以保证所述扁平管与所述第三孔部1013贴合，防止集管箱中的第一换热介质漏出。所述第二孔部1012的宽度D2大于所述第三孔部1013的宽度D3。比如，D2＝1.5*D3。所述第一孔部1011的宽度D1的宽度大于等于所述第二孔部1012的宽度D2。比如，D1＝1.5*D2。以T的范围为1.5mm～2.5mm为例，则第二孔部1012的宽度D2的尺寸范围可大致为2.25mm～3.75mm，第一孔部的宽度D1的尺寸范围可大致为3.375mm～5.625mm。
当然，所述开孔1010也可不是阶梯型孔。比如，所述开孔1010大致呈喇叭状(可结合图31B)。底板10由第一板状件1001和第二板状件1002焊接而成。所述开孔1010包括第一孔部1011和第二孔部1012。其中，第一孔部1011贯穿第一板状件1001，第二孔部1012贯穿第二板状件1002。所述第一孔部1011大致呈喇叭状，并且，该第一孔部1011开口较大的一端相对开口较小的一端更接近盖板11。
当然，对于扁平管的端部经过缩口处理的换热器而言，所述第三孔部1013的宽度D3小于所述扁平管的厚度T，以保证扁平管与第三孔部1013贴合设置。
所述扁平管30的端部自第三孔部1013穿过并相较于第三孔部1013更靠近盖板11。比如，所述扁平管30的端部位于所述第二孔部1012内，以使所述扁平管30的外壁面和所述第二孔部内壁面间形成间隙，可有效防止第三板状件1003与第二板状件1002之间的焊料堵塞扁平管30的管口。
所述扁平管30的一端通过长条孔1010与所述集管箱1的内部连通。同样，所述集管箱2具有底板20和盖板21，并且所述集管箱2的底板相应开设有长条孔，以供所述扁平管30的另一端插入，而使扁平管30与集管箱2的内部连通。所述集管箱2与集管箱1的结构基本相同，具体均可参考集管箱1的相关描述。
进一步，所述壳体4的两端设置有供第一换热介质进出所述集管箱的集流管。所述壳体4的第一端403设置有第一集流管5，第二端405设置有第二集流管6。所述第一集流管5与集管箱1连通，所述第二集流管6与集管箱2连通。具体的，沿所述盖板11的长度方向L，所述槽111的一端封堵，另一端具有开口1112。所述开口1112连接收集或分配第一换热介质的第一集流管5。相应地，所述第一集流管5朝向所述集管箱1的一侧开设有与开口1112对应的集流孔51，以供第一换热介质进出集管箱1(可结合图29、图34及图35)。所述集管箱2的盖板21的槽211，其结构与槽111基本相同。相应地，所述第二集流管6对应设置有供第一换热介质进出集管箱2的集流孔61(可结合图29和图36)。
所述第一集流管5的一端密封，另一端设置有第一外接管52，以向第一集流管5流入或从第一集流管5流出第一换热介质。所述第二集流管6的一端密封，另一端设 置有第二外接管62，对应自第二集流管6流出或向第二集流管6流入第一换热介质。
可选的，所述第一集流管5和第二集流管6在所述壳体4外呈对角设置，使得第一换热介质分配更加均匀，提高换热效果，以便第一换热介质与第二换热介质形成逆流换热，从而使得二者之间换热更加充分。当然，所述第一集流管5和第二集流管6还可采用其他方式设置，可根据具体应用环境进行设置，本申请对此不做限定。
需要说明的是，对于所述壳体的两端中仅有一端设置有集管箱的情况，其中一个集流管通过与集管箱连通而实现与所述壳体内的腔室的连通，而另一个集流管则可直接与所述壳体内的腔室连通。
进一步，所述集管箱1的盖板11设置有隔板1130，所述隔板1130的下端面抵接所述底板10的上表面，以将所述槽111分隔为至少两个相互隔离的腔室15和腔室16。比如，所述盖板11可设置有成排的第一隔板孔118，所述第一隔板孔118内插有隔板1130，将所述槽111分隔为两个相互隔离的腔室15和腔室16(即将所述集管箱1的内部空间分隔为两个相互隔离的腔室15和腔室16)(可结合图28、图29、图35、图37及图38)。所述第一隔板孔118沿盖板11的宽度方向W设置，以使所述腔室15、16沿所述盖板11的长度方向L分布。所述盖板21同样可设置隔板2130，所述隔板2130的上端面抵接所述底板20的下表面，以将所述集管箱2的槽211分隔为两个相互隔离的腔室25和腔室26。所述盖板21同样可设置有成排的用于插入隔板2130的第二隔板孔(未示出)，具体可参考盖板11的相关描述，此处不予赘述。
进一步，所述第一隔板孔118和所述第二隔板孔沿所述扁平管30堆叠的方向错开设置(即沿图37所示的有向箭头101所指的方向错开设置)，即所述隔板1130和所述隔板2130沿所述扁平管30堆叠的方向错开设置(可结合图37和图38)，使得多个扁平管30可分为连通腔室15和腔室25的第一管组31，连通腔室25和腔室16的第二管组32，及连通腔室16和腔室26的第三管组33，以增加第一换热介质的流程，有利于提高第一换热介质的流速，从而提高换热器的换热效率。
为了进一步利于第一换热介质的流通，所述第一管组31、第二管组32及第三管组33所包含的扁平管的个数不同。比如，所述第一管组31的扁平管个数N1，第二管组32的扁平管个数N2及第三管组33的扁平管个数N3之间可满足如下关系：N1＞N2＞N3。再比如，N1：N2：N3＝10:7:4。
当所述换热器处于蒸发器工作模式时，所述第一换热介质自第一集流管5进入，经换热后由第二集流管6流出。第一换热介质的具体流向可结合图38的有向线条所示。而当所述换热器处于冷凝器工作模式时，所述第一换热介质自第二集流管6进入，经换热后由第一集流管5流出。第一换热介质的具体流向可结合图37的有向线条所示，从而增加第一换热介质在换热器的流程，提高第一换热介质的流动速度。
需要说明的是，盖板11可设置一排第一隔板孔，当然也可设置多排第一隔板孔以将所述集管箱1的槽分隔为更多个相互隔离的腔室，以进一步增加第一换热介质的流程。相应地，所述集管箱2的盖板21也可设置一排第二隔板孔或多排第二隔板孔。此外，所述盖板11和盖板21中也可仅有一个设置有一排隔板孔，而另一个不设置隔板孔。本申请对此不做限定。
所述盖板11和盖板21所设置的隔板孔的排数可以相同也可以不同。本申请对此不做限定，可根据具体应用环境确定。
所述换热通道401中设置有散热件39，所述散热件39可以是换热翅片，比如锯齿形换热翅片、波纹状换热翅片等。其中，所述散热件39可通过端部固定设置于集管箱的底板，或者通过限位件固定设置于集管箱的底部，或者通过钎焊等方式固定设置于扁平管上。
所述散热件39的端部与所述集管箱1、2靠近所述芯体3的端面之间设置有供第二换热介质流通的流道390，所述流道390连通所述开口部411、433，以减少对第二换热介质的流动阻力，提高第二换热介质的流动速度及均匀性。
以锯齿形换热翅片为例，所述散热件39由两个或两个以上平行排列的齿条97组成(可结合图40A、图40C及图40D)。所述齿条97包括两个或两个以上间隔排列的凸框971。所述凸框971包括凸框顶部9711以及分别与凸框顶部9711两端相连的折板9712。所述折板9712与所述凸框顶部9711之间的夹角Θ大于90°，使得所述凸框971的截面可大致为梯形。此外，相邻齿条的凸框沿齿条长度方向(图40D中箭头C所指的方向及其相反方向)错开设置。采用这种结构的散热件，使得第二换热介质沿图40D中箭头B所示方向或其相反方向流动，破坏了第二换热介质与散热件39接触的边界层，增加了对第二换热介质的扰动，从而提高第二换热介质在散热件39表面的传热系数。另外，与第二换热介质沿其他方向流动的情况相比，比如沿箭头A所示方向流动，较大程度的减小了换热翅片对第二换热介质流动的阻力。
在一些实施例中，所述散热件39靠近开口部411的一侧具有缺口391，靠近开口部433的一侧具有缺口392(可结合图28-30，图39A至图40D)，在所述缺口391、392处形成供第二换热介质流通的流道390，使得腔室40能够与所述开口部411、433连通，减少对第二换热介质的流动阻力。
所述流道390的靠近所述开口部411一侧的高度大于远离所述开口部411一侧的高度。并且所述流道390邻近所述开口部411的一端的高度d与所述散热件39的宽度D之间满足条件：0.15D≤d≤0.25D。以在保证第二换热介质的流入量的同时，保证散热件39的有效换热面积。较优的，d取值为0.2D。
所述散热件39包括主体部，部分所述主体部向两端延伸形成限位部393，以利于散热件39的定位，同时可保证散热件39的尺寸。所述限位部393位于远离所述开口部411的一侧。其中，所述散热件39位于所述缺口部391的对应端具有倾斜边缘394(结合图40A所示)，该散热件39位于所述缺口392的对应端也具有倾斜边缘。可选的，所述限位部393的端面为平直边缘。其中，端面的长度L可大致为5mm～10mm，以在保证第二换热介质的流动的同时，保证散热件39的固定。
另外，所述倾斜边缘394可为直边(结合图40A所示)。当然，所述倾斜边缘394也可为阶梯型边缘(结合图40B)、弧形边缘等。本申请对此不做限定，可根据具体应用环境进行设置。
所述缺口392与缺口391的形状可大致相同。具体可参照缺口391的相关描述，此处不予以赘述。
在另一些实施例中，所述散热件39的端部可大致呈平直状。所述散热件39的上端部大致位于上述侧壁开口411的下方，以形成流道390，进而保证第二换热介质顺利流进腔体40中，即保证第二换热介质顺利流进换热通道401中(可结合图39B、图39D及图39E)。
在一些实施例中，集管箱1、2靠近所述芯体3的一侧设置有限位件395，所述限位件395的一端抵接所述散热件39的端部，另一端设置于所述集管箱1、2。同时，所述限位件395部分或全部位于所述流道390远离所述开口部411、433的一侧。所述散热件39的端部大体平直，则在所述集管箱和散热件端部间形成供第二换热介质流通的流道390，使得腔室40能够与所述开口部411、433连通，减少对第二换热介质的流动阻力。具体的，所述底板10上设置有插孔109，以安插限位件395。所述插孔109位于所述底板12的远离所述开口部411的一端，并且插孔109位于相邻的长条孔1010之间。插孔109的延伸方向可与长条孔1010的延伸方向相同，也可不同。插孔109的延伸长度小于长条孔1010的延伸长度。所述限位件395安插在插孔109中时，该限位件395与底板10连接的一端，可以延伸出底板10并向靠近盖板11的一侧延伸，也可不延伸出底板12。
所述限位件395可为独立的部件，并可通过焊接的方式设置于底板10上。当然，限位件395也可与底板10一体设置。
所述限位件395可以为多种形状。比如，限位件395的截断面可以是三角形、矩形、半圆形、椭圆形等其中的一种形状或多种形状的组合。
需要说明的是，所述散热件39两端的两个流道390可大致相同(可结合图39A)，也可不相同(可结合图39D所示)，可根据具体应用环境进行设置，本申请对此不做限定。
需要说明的是，所述散热件39也可直接固定设置于扁平管上，而不需要通过限位件设置。
进一步，所述换热通道401的宽度W与所述扁平管30的厚度T之间的关系满足条件：2T≤W≤3.25T。以使得第二换热介质与第一换热介质之间达到较优的换热效果。以扁平管30的厚度T的范围为1.5mm～2.5mm为例，所述换热通道401的宽度W大致为3mm～8.125mm。
所述第三集流管7、第四集流管8与壳体4为相互独立部件(可结合图41A)。所述第三集流管7靠近所述壳体4的一侧设置有对应开口部411的开孔71，第四集流管8靠近所述壳体4的一侧设置有对应开口部433的开孔81，以供所述第二换热介质进出所述换热通道401。当然，在一些实施例中，所述第三、四集流管7、8与壳体4也可一体成型(可结合图41B)。
所述第三集流管7的一端密封，另一端设置有第三外接管72，以向第三集流管7流入或从第三集流管7流出第二换热介质。所述第四集流管8的一端密封，另一端设置有第四外接管82，对应自第四集流管8流出或向第四集流管8流入第二换热介质(可结合图29)。比如，所述第二换热介质可自第四外接管82进入第四集流管8，而后进入换热通道通过扁平管与第一换热介质换热，之后流入第三集流管7，并最终由第三外 接管72流出，如图41A或图41B的有向线条所示。
当然，在有些实施例中，所述第三集流管7的两端均密封，而所述第四集流管8的两端分别设置有第五、六外接管83、84(可结合图42)。其中，所述第四集流管8中设置有隔板88，以将第四集流管8的内部管道分割为相互隔离的两个集流腔85、86。其中，集流腔85与第五外接管83连通，集流腔86与第六外接管84连通，从而可使得所述第二换热介质自第五外接管83进入对应的换热通道，并经第三集流管7改变流向后，经另一部分换热通道后自第六外接管84流出，如图42的有向线条所示。可见，如此设置，可增加第二换热介质的换热流程，有利于提高第二换热介质的流速，从而提高换热器的换热效率。
所述第三集流管7和第四集流管8在所述壳体4外呈对角设置，以便第二换热介质与第一换热介质形成逆流换热，从而使得二者之间换热更加充分。当然，所述第三集流管和第四集流管还可采用其他方式设置，可根据具体应用环境进行设置，本申请对此不做限定。
上述壳体4可仅包括侧壁，所述设置于两端的集管箱1、2的底板10、20与壳体4共同形成密封的腔室。当然，所述壳体也可包括能够与集管箱的底板紧密贴合的端壁(未示出)，以形成所述腔室，则所述端壁应开设有供扁平管穿过的孔。对于所述第一端和第二端中只有一端设置有集管箱的情况，壳体同样可采用类似设置。
进一步，所述壳体4可以为一体成型的整体结构，也可以包括至少两个板件，所述至少两个板件焊接连接。比如，所述壳体4可包括第一侧壁41、第二侧壁42、第三侧壁43及第四侧壁44。其中，第一侧壁41、第二侧壁42、第三侧壁43及第四侧壁44可以为一个整体，也可分为至少两个独立的部分。若所述壳体由至少两个板件拼接而成，拼接处存在重合的部分，以保证焊接面积，增加壳体的强度(可结合图43A、图43B、图43C及图43D)。
如图43A所示的壳体结构，壳体4由相互独立的四侧壁拼接而成。其中，第一侧壁41的侧边边缘412与第四侧壁44的侧边边缘442有部分重合焊接，第一侧壁41的另一侧边边缘413与第二侧壁42的侧边边缘421有部分重合焊接。第二侧壁42的另一侧边边缘422与第三侧壁43的侧边边缘431有部分重合焊接。并且，第三侧壁43的另一侧边边缘432与第四侧壁44的侧边边缘441有部分重合焊接。以侧边边缘412与442的重合焊接为例，其中侧边边缘442折弯以焊接于侧边边缘412的外侧，其它重合焊接均可采用类似操作。
如图43B至图43D所示的壳体结构，壳体4包括相互独立的两个板件，并且该两个板件焊接连接。
图43B所示的第一侧壁41、第四侧壁44及第三侧壁43为一体成型。侧边边缘421、422分别与侧边边缘413、431重合焊接。
图43C所示的第一侧壁41和第二侧壁42一体成型，第三侧壁43和第四侧壁44一体成型。侧边边缘412、422分别与侧边边缘442、431重合焊接。
同样，图43D所示的第一侧壁41和第二侧壁42一体成型，第三侧壁43和第四 侧壁44一体成型。与图43C不同的是，图43D所示的壳体4由相同的两个板件拼接而成，有利于批量生产及加工。
进一步的，沿所述扁平管30的长度方向，所述壳体4设置有多个褶皱结构45(可结合图30)，以释放换热过程中产生的热应力，并可增强壳体的强度。该褶皱结构45可大致沿扁平管30的堆叠方向延伸。相应地，褶皱结构45分布于相对的两侧壁41、43上。当然，褶皱结构也可分布于侧壁42、44之上。可选的，所述多个褶皱结构45大致均匀分布。当然，所述多个褶皱也可不均匀分布。
所述褶皱结构45可以向所述壳体的外侧凸起(可结合图44)，也可向壳体的内侧凸起(未示出)。本申请对此不做限定。
当然，所述褶皱结构45的个数也可仅为一个。本申请对此不做限定，可根据具体应用环境进行设置。
当然，在一些实施例中，所述换热器也可不包括壳体，流经扁平管的第一换热介质则与外界空气进行换热。
以上所述仅是本申请的较佳实施例而已，并非对本申请做任何形式上的限制，虽然本申请已以较佳实施例揭露如上，然而并非用以限定本申请，任何熟悉本专业的技术人员，在不脱离本申请技术方案的范围内，当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本申请技术方案的内容，依据本申请的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本申请技术方案的范围内。

Claims (35)

  1. 一种集管箱，包括：
    底板(10)，包括第一表面(101)和与所述第一表面(101)相对的第二表面(102)，所述第一表面(101)至少部分向内凹陷形成至少一个第一孔(105)，所述第一孔(105)沿所述底板(10)的长度方向(L1)延伸，所述第二表面(102)至少部分向内凹陷形成至少两个第二孔(106)，所述第二孔(106)沿所述底板(10)的宽度方向(W1)延伸，所述长度方向(L1)垂直于所述宽度方向(W1)；
    其中，所述第一孔(105)连通至少两个所述第二孔(106)，能够使得流经所述第一孔(105)的流体分配到至少两个所述第二孔(106)，或者能够使得流经所述第二孔(106)的流体汇集到所述第一孔(105)；及
    盖板(11)，连接于所述第一表面(101)，以封堵所述第一孔(105)位于所述第一表面(101)的开口(1051)。
  2. 如权利要求1所述的集管箱，其中，所述底板(11)包括第一板状件(1001)和第二板状件(1002)；其中，所述第一孔(105)位于所述第一板状件(1001)，所述第二孔(106)位于所述第二板状件(1002)，所述第一板状件(1001)贴合设置于所述第二板状件(1002)靠近所述盖板(11)的一侧。
  3. 如权利要求2所述的集管箱，其中，所述第二孔(106)包括连通所述第一孔(105)的第一开口和远离所述第一孔(105)的第二开口，所述第一开口的横截面面积大于所述第二开口的横截面面积。
  4. 如权利要求1至3中任一项所述的集管箱，其中，所述集管箱还包括设置于所述底板(10)背离所述盖板(11)一侧的第二底板(12)，所述第二底板(12)设置有与所述第二孔(106)一一对应的第三孔(108)，所述第三孔(108)的横截面面积小于所述第二孔(106)的横截面面积。
  5. 如权利要求4所述的集管箱，其中，所述第三孔(108)的边沿向远离所述盖板(11)的一侧延伸预定距离形成翻边(107)。
  6. 如权利要求1至5中任一项所述的集管箱，其中，所述盖板(11)包括主体部(112)和自所述主体部(112)的外缘向远离所述主体部(112)的一侧延伸的连接部(113)。
  7. 一种集管箱(1、2)，包括盖板(11、21)和底板(10、20)，所述盖板(11、21)设置有沿所述盖板的长度方向延伸的凹槽(111、211)，所述凹槽(111、211)包括开口部(111a、211a)，所述底板(10、20)设置有插接扁平管(30)的开孔(1010、201)，所述开孔(1010、201)贯穿所述底板(10、20)上下表面，所述开孔(1010、201)包括靠近所述盖板(11、21)的第一开口(1010a)和远离所述盖板(11、21)的第二开口(1010b)，所述第一开口(1010a)的截面面积大于所述第二开口(1010b)的截面面积，其中，所述凹槽(111、211)的开口部(111a、211a)朝向所述底板(10、20)设置。
  8. 如权利要求7所述的集管箱，其中，所述底板(10、20)至少由两个板状件焊接而成，所述板状件开有形成所述开孔(1010、201)的孔部。
  9. 如权利要求7或8所述的集管箱，其中，所述底板(10、20)包括与所述盖板(11、21)相连的第一板状件(1001)、远离盖板(11、21)的第三板状件(1003)及设置于 所述第一板状件(1001)和所述第三板状件(1003)之间的第二板状件(1002)，所述开孔(1010、201)包括第一孔部(1011)、第二孔部(1012)及第三孔部(1013)，所述第一孔部(1011)贯穿所述第一板状件(1001)，所述第二孔部(1012)贯穿所述第二板状件(1002)，所述第三孔部(1013)贯穿所述第三板状件(1003)。
  10. 如权利要求9所述的集管箱，其中，所述第一孔部(1011)的宽度D1、所述第二孔部(1012)的宽度D2、所述第三孔部(1013)的宽度D3及所述扁平管(30)的厚度T满足条件：D1≥D2，D2＞D3，D3≤T。
  11. 如权利要求7或8所述的集管箱，其中，所述底板(10、20)包括与盖板(11、21)相连的第一板状件(1001、2001)、远离所述盖板(11、21)的第二板状件(1002、2002)，所述开孔(1010)包括第一孔部(1011)及第二孔部(1012)，所述第一孔部(1011)贯穿所述第一板状件(1001)，所述第二孔部(1012)贯穿所述第二板状件(1002)，且所述第一孔部(1011)的横截面积大于第二孔部(1012)的横截面积。
  12. 如权利要求7至11中任一项所述的集管箱，其中，沿所述盖板的长度方向(L)，所述凹槽(111、211)的一端封堵，另一端具有开口(1112)，所述开口(1112)设置为连接收集或分配第一换热介质的集流管(5、6)。
  13. 如权利要求7至12中任一项所述的集管箱，其中，还包括设置于所述盖板(11、21)内的隔板(1130、2130)，所述隔板(1130、2130)的下端面抵接所述底板的上表面，以将所述凹槽(111、211)分隔为至少两个相互隔离的腔室(15、16；25、26)，所述至少两个相互隔离的腔室(15、16；25、26)沿所述盖板(11、21)的长度方向排布，所述开孔(1010、201)为长条孔。
  14. 如权利要求7或8所述的集管箱，其中，所述开孔(1010、201)的延伸方向垂直于所述凹槽(111、211)的延伸方向，沿所述盖板(11、21)的宽度方向(W1)，所述盖板(11、21)具有相对的两个侧壁(114)，所述底板(10、20)具有相对应的两个端面，两个所述端面向所述盖板(11、21)一侧延伸形成包边(121)，所述包边(121)包覆所述侧壁(114)。
  15. 如权利要求14所述的集管箱，其中，沿所述包边(121)的长度方向(L2)，邻接所述包边(121)的内壁面所述底板设置有定位槽(123)，所述盖板(11、21)的两个侧壁(114)设置有至少部分嵌插于所述定位槽(123)内的凸沿(1141)。
  16. 如权利要求14所述的集管箱，其中，所述底板(10、20)包括设置有所述包边(121)的第一板状件(1200)和焊接于所述第一板状件(1200)之上的第二板状件(1300)，所述第一板状件(1200)开有形成所述开孔(1010)的第一孔部(1011)，第二板状件(1300)开有形成所述开孔(1010)的第二孔部(1012)；所述第二板状件(1300)邻近所述包边(121)的端部与所述包边(121)之间形成定位槽(123)。
  17. 如权利要求14至16中任一项所述的集管箱，其中，所述开孔(1010、201)的边沿向远离所述盖板(11、21)的一侧延伸预定距离，形成翻边(124)。
  18. 如权利要求14至17中任一项所述的集管箱，其中，沿所述盖板(11、21)的长度方向(L1)，所述盖板(11、21)的一端开设有连通所述凹槽(111、211)的缺口部(115)，另一端设置有连通所述凹槽(111、211)的第一集流管(5)；其中，所述缺口部(115)设置有封堵件(116)。
  19. 一种换热器，包括：
    壳体(4)，所述壳体(4)内形成有腔室(400)；
    芯体(3)，所述芯体(3)至少部分容纳于所述腔室(400)内，所述芯体(3)包括用于流通第一换热介质的扁平管(30)；
    如权利要求7-18中任一项所述的第一集管箱；
    所述壳体(4)的侧壁设置有连通所述腔室(400)的开口部(411、433)，所述开口部(411、433)沿所述扁平管(30)的堆叠方向延伸。
  20. 如权利要求19所述的换热器，其中，所述换热器具有两个所述第一集管箱(1、2)，所述两个第一集管箱(1、2)分别设置于所述壳体(4)的两端。
  21. 如权利要求19或20所述的换热器，其中，所述凹槽内设置有隔板(1130、2130)，以将所述凹槽(111、211)分隔为至少两个相互隔离的腔室(15、16；25、26)，所述至少两个相互隔离的腔室(15、16；25、26)沿所述盖板(11、21)的长度方向排布。
  22. 如权利要求21所述的换热器，其中，所述两个第一集管箱(1、2)中设置的所述隔板(1130、2130)沿所述扁平管(30)的堆叠方向错开设置。
  23. 如权利要求19所述的换热器，其中，所述换热器还包括如权利要求1-6中任一项所述的第二集管箱，所述第一集管箱还包括设置于所述盖板中的隔板(1130、2130)。
  24. 如权利要求19至23中任一项所述的换热器，其中，所述芯体还包括散热件(39)，所述散热件(39)和所述扁平管(30)间隔设置；所述散热件(39)的端部与所述集管箱(1、2)靠近所述芯体(3)的端面之间设置有供第二换热介质流通的流道(390)，所述流道(390)连通所述开口部(411、433)。
  25. 如权利要求24所述的换热器，其中，所述流道(390)的靠近所述开口部(411、433)一侧的高度大于远离所述开口部(411、433)的一侧高度。
  26. 如权利要求24或25所述的换热器，其中，所述流道(390)邻近所述开口部(411、433)的一端的高度d与所述散热件(39)的宽度D之间满足条件：0.15D≤d≤0.25D。
  27. 如权利要求19至26中任一项所述的换热器，其中，
    所述壳体(4)两端设置有连通所述集管箱(1、2)的第一、二集流管(5、6)；
    所述壳体(4)的侧壁设置有与所述腔室(400)连通的第三、四集流管(7、8)，所述第三、四集流管(7、8)沿所述扁平管(30)的堆叠方向延伸。
  28. 如权利要求27所述的换热器，其中，所述第三集流管(7)的两端密封，所述第四集流管(8)的两端分别设置第五、六外接管(83、84)，并且所述第四集流管(8)内设置有隔板(88)，将所述第四集流管(8)的内部分割为相互隔离的两个集流腔(85、86)；其中一个集流腔(85)与第五外接管(83)连通，另一个集流腔(86)与第六外接管(84)连通。
  29. 如权利要求24至26中任一项所述的换热器，其中，所述散热件(39)包括主体部，部分所述主体部向两端延伸形成限位部(393)，所述限位部(393)位于远离所述开口部(411、433)的一侧，所述限位部(393)抵接所述集管箱(1)。
  30. 如权利要求29所述的换热器，其中，所述限位部(393)的端面为平直边缘；
    所述端面的长度L为5mm～10mm。
  31. 如权利要求19至30中任一项所述的换热器，其中，所述扁平管(30)将所述腔室(400)分割为多个用于流通第二换热介质的换热通道(401)，所述换热通道(401)的宽度W与所述扁平管(30)的厚度T之间满足条件：2T≤W≤3.25T。
  32. 如权利要求19至31中任一项所述的换热器，其中，所述壳体(4)包括至少两个板件(41、42、43、44)，所述至少两个板件(41、42、43、44)固定连接，所述至少两个板件(41、42、43、44)在固定处具有部分重合。
  33. 如权利要求19至32中任一项所述的换热器，其中，沿所述扁平管(30)的长度方向，所述壳体(4)设置有多个褶皱结构(45)；所述褶皱结构(45)沿所述扁平管(30)的堆叠方向延伸。
  34. 如权利要求24至26中任一项所述的换热器，其中，所述集管箱(1、2)靠近所述芯体(3)的一侧设置有限位件(395)，所述限位件(395)的一端抵接所述散热件(39)的端部，另一端设置于所述集管箱(1、2)；
    所述限位件(395)部分或全部位于所述流道(390)远离所述开口部(411、433)的一侧。
  35. 如权利要求19至34中任一项所述的换热器，其中，所述扁平管(30)的至少一端设置有缩口部(301)。
PCT/CN2019/088400 2018-05-25 2019-05-24 集管箱及换热器 WO2019223797A1 (zh)

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US11624565B2 (en) 2023-04-11
US20210041189A1 (en) 2021-02-11
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EP3745076B1 (en) 2022-09-14

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