WO2014146544A1 - 集流管以及具有集流管的换热器 - Google Patents

集流管以及具有集流管的换热器 Download PDF

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Publication number
WO2014146544A1
WO2014146544A1 PCT/CN2014/072985 CN2014072985W WO2014146544A1 WO 2014146544 A1 WO2014146544 A1 WO 2014146544A1 CN 2014072985 W CN2014072985 W CN 2014072985W WO 2014146544 A1 WO2014146544 A1 WO 2014146544A1
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WO
WIPO (PCT)
Prior art keywords
wall portion
refrigerant
header
cavity
component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2014/072985
Other languages
English (en)
French (fr)
Inventor
蒋建龙
杨柳华
陆向迅
唐燕栋
L·塔克 杰弗里·
李开泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danfoss Micro Channel Heat Exchanger Jiaxing Co Ltd
Original Assignee
Danfoss Micro Channel Heat Exchanger Jiaxing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Danfoss Micro Channel Heat Exchanger Jiaxing Co Ltd filed Critical Danfoss Micro Channel Heat Exchanger Jiaxing Co Ltd
Priority to JP2016503527A priority Critical patent/JP6371372B2/ja
Priority to US14/777,607 priority patent/US20160138872A1/en
Priority to KR1020157029930A priority patent/KR20150136086A/ko
Priority to EP14767307.3A priority patent/EP2977706B1/en
Publication of WO2014146544A1 publication Critical patent/WO2014146544A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05391—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • 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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/027—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 distribution pipes
    • F28F9/0273—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 distribution pipes with multiple holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/06—Fastening; Joining by welding
    • F28F2275/064—Fastening; Joining by welding by induction welding or by using microwaves

Definitions

  • the invention relates to a header and a heat exchanger having a header. Background technique
  • U.S. Patent Application Serial No. US 2011/0315363 A1 discloses a heat exchanger comprising a first header and a second header.
  • a distribution plate is arranged in the longitudinal direction inside the first header to divide the first header into a refrigerant inlet portion and a refrigerant distribution portion, and the multi-channel flat tube extends into the first header to form a plurality of portions in the refrigerant distribution portion Refrigerant distribution chamber.
  • one end of the multi-channel flat tube is in contact with the distribution plate, and the second end is disposed in the second header, and a plurality of substantially parallel flow paths are formed between the first and second headers, and At least some of it is blocked by the distribution board.
  • the outer wall of one end of the multi-channel flat tube is removed so that the refrigerant can enter the inside of the flat tube from the dispensing chamber.
  • the high frequency ⁇ manifold is still used in the heat exchanger disclosed in US Patent Application No. 2011/0315363 A1, and the problem of high cost of the high frequency manifold is not solved.
  • the insertion of the distribution plate into the interior of the inlet manifold increases the complexity of the manufacturing process and makes it difficult to control the quality of the product.
  • the end of the flat tube is in contact with the distribution plate, which easily causes the flat tube to block. Summary of the invention
  • the present invention provides a header and a heat exchanger having the same, thereby, for example, solving the problem of high cost of the high frequency manifold and improving heat exchange performance.
  • the present invention provides a header comprising: an axially extending inner cavity, the inner cavity including a separate refrigerant entering the cavity and a refrigerant distribution a cavity, the refrigerant entering the cavity and the refrigerant distribution cavity being in fluid communication, the refrigerant entering the refrigerant entering the cavity and being distributed to the heat exchange tube in the refrigerant distribution cavity; and a plurality of axial extensions Separate component, at least one of the refrigerant entering the cavity and the refrigerant distribution cavity or the header is separated by a plurality of axially extending in an assembly direction perpendicular to the axial direction The components are placed in sequence and connected to form.
  • the plurality of axially extending individual components comprise separate first and second components, the first component comprising one of the refrigerant inlet cavity and the refrigerant distribution cavity And by placing and joining the first component and the second component together in the assembly direction, at least a portion of the wall of the first component forms a refrigerant inlet cavity and a refrigerant distribution cavity with the second component The other in the body.
  • the first member when viewed in cross section, includes: a first U-shaped wall portion, a stepped portion extending outward from both ends of the first U-shaped wall portion, and from the The outer end of the stepped portion faces the second wall portion that extends away from the side of the first u-shaped wall portion.
  • the first member when viewed in cross section, includes: a first U-shaped wall portion, a stepped portion extending outward from both ends of the first U-shaped wall portion, from the step The outer end of the portion extends toward the second wall portion that is away from the side of the first u-shaped wall portion, and the partition wall portion that extends between the inner ends of the step portion.
  • the first member further includes a projection formed on the partition wall portion and spaced apart from the second wall portion by a predetermined distance.
  • the first member when viewed in cross section, includes: a first curved wall portion, a stepped portion extending outward from both ends of the first curved wall portion, and from the The outer end of the stepped portion faces the second curved wall portion that extends away from the side of the first curved wall portion.
  • the first member when viewed in cross section, includes: a first curved wall portion, a stepped portion extending outward from both ends of the first curved wall portion, from the step The outer end of the portion has a second arcuate wall portion extending away from a side of the first arcuate wall portion, and a partition wall portion extending between the inner ends of the stepped portion.
  • the first member includes a projection formed on the partition wall portion and spaced apart from the second curved wall portion by a predetermined distance.
  • the plurality of axially extending individual components include separate first, second, and third components, by disposing the first component, the third component, and The second component is placed in series and connected together, a refrigerant entering the cavity is formed between the first component and the third component, and a refrigerant distribution cavity is formed between the third component and the second component.
  • the first member when viewed in cross section, includes: a first U-shaped wall portion, a stepped portion extending outward from both ends of the first U-shaped wall portion, and from the The outer end of the stepped portion faces the second wall portion that extends away from the side of the first u-shaped wall portion.
  • the second member has an inverted U-shaped wall portion when viewed in cross section, and both ends of the inverted U-shaped wall portion of the second member are disposed at the first member The inside of the wall part.
  • the first U-shaped wall portion is substantially arcuate when viewed in cross section.
  • the second wall portion is substantially arcuate when viewed in cross section.
  • the inverted U-shaped wall portion of the second member is substantially arcuate when viewed in cross section.
  • the first member when viewed in cross section, includes: a first curved wall portion, a stepped portion extending outward from both ends of the first curved wall portion, and from the The outer end of the stepped portion faces the second curved wall portion that extends away from the side of the first curved wall portion.
  • the third member has a first end and a second end when viewed in cross section, and the first end and the second end of the third member are respectively placed and connected to the step Partially.
  • the second member has a curved wall portion when viewed in cross section, and both ends of the curved wall portion of the second member are disposed at a second arc of the first member The inside of the wall portion.
  • each of the plurality of axially extending individual members constituting the outer wall of the header corresponds to a central angle of less than 360 degrees when viewed in cross section, or in cross section When viewed from above, a portion of each of the plurality of axially extending individual members that form the outer surface of the header of each of the outer walls of the header is corresponding to a central angle of less than 360 degrees.
  • the width of the overlapping portion of the inverted U-shaped wall portion of the second member with the second wall portion of the first member is greater than or equal to 3 mm.
  • the central angle corresponding to the first member is substantially equal to or less than 180 degrees when viewed in cross section.
  • the partition wall portion is convex toward the refrigerant distribution chamber side.
  • a refrigerant pipe is integrally formed on a surface of the partition wall portion remote from the refrigerant distribution chamber side and a refrigerant pipe is spaced apart from the first U-shaped wall portion.
  • the inside of the header is substantially circular.
  • a heat exchanger comprising: a heat exchange tube, and the above-mentioned header, a refrigerant distribution at an end of the heat exchange tube and the header
  • the chamber is in fluid communication.
  • the header has a plurality of openings arranged in the axial direction of the tube wall of the header, and the end of the heat exchange tube has a step, the heat exchange An end of the tube is inserted into the opening, and at least a portion of the step of the heat exchange tube abuts a periphery of the opening.
  • the refrigerant inlet chamber and the refrigerant distribution chamber are separated by a partition wall portion and are in fluid communication through a hole in the partition wall portion, in the axial direction of the header, two adjacent There is at least one of the holes between the heat exchange tubes.
  • the inlet header of the heat exchanger is connected by a plurality of components or other means, and several components divide the header into two or more independent cavities, and the cavities communicating with the flat tubes
  • the refrigerant is distributed to the cavity, and one of the other chambers is a refrigerant entering the cavity, and the refrigerant entering the cavity communicates with the refrigerant distribution cavity through a circular hole or other opening.
  • the refrigerant enters the collecting pipe from the inlet cavity, and then enters the refrigerant distribution cavity through the opening between the two cavities, and distributes a plurality of openings along the length of the collecting pipe, substantially each flat tube or a plurality of flat tubes Corresponding to at least one opening, the refrigerant then enters the flat tube from the refrigerant distribution chamber to achieve uniform distribution of the refrigerant.
  • the header of the heat exchanger of the present invention is formed by joining or otherwise joining two separate components or a plurality of separate components, dividing the manifold cross section into at least two independent cavities. Moreover, the inner side of the cross section of the collecting pipe which is spliced by several independent parts is circular. The collecting tube is connected by a plurality of components, which can solve the problem of high cost of the high frequency manifold. Collector tube cross section The side is round, and the round end cover can be used, which is convenient for processing and high reliability. The process of inserting the distribution plate into the interior of the header is eliminated, which greatly reduces the process complexity.
  • FIG. 1 is a schematic view of a heat exchanger according to a first embodiment of the present invention.
  • FIG. 2 is a partial schematic cross-sectional view of a heat exchanger according to a first embodiment of the present invention.
  • Figure 3 is a partial schematic cross-sectional view of a heat exchanger in accordance with a second embodiment of the present invention.
  • Figure 4 is a partial schematic cross-sectional view of a heat exchanger in accordance with a third embodiment of the present invention.
  • Figure 5 is a partial schematic cross-sectional view of a heat exchanger in accordance with a fourth embodiment of the present invention.
  • a heat exchanger 100 such as a microchannel heat exchanger according to an embodiment of the present invention includes: headers 1, 7 (for example, an inlet header 1 and an outlet header 7) - such as a heat exchange tube 2 of a flat tube; fins 5 disposed between the heat transfer tubes 2; and a side plate 3.
  • Heat exchangers can be used in HVAC, automotive, refrigeration and transportation applications and can be used as heat exchangers for evaporators, condensers and water tanks.
  • the end of the heat exchange tube 2 is in fluid communication with the refrigerant distribution chamber 19 of the header.
  • the header 1 has a plurality of openings arranged in the axial direction of the tube wall of the header, and the end of the heat exchange tube 2 has a step, for example, in the axial direction of the heat exchange tube 1.
  • a step is formed at a position a predetermined distance from the end surface of the end portion of the heat exchange tube 1, and the cross section of the heat exchange tube 1 from the end surface of the end portion to the step is smaller than the cross section of the other portion of the heat exchange tube 1.
  • An end of the heat exchange tube 2 is inserted into the opening, and at least a portion of the step of the heat exchange tube 2 abuts the periphery of the opening.
  • the header 1 according to the first embodiment of the present invention comprises: an axially extending inner cavity 20 comprising spaced apart refrigerant entering the cavity 18 and a refrigerant Dispensing the chamber 19, the refrigerant entering the chamber in fluid communication with the refrigerant distribution chamber, the refrigerant entering the refrigerant entering the chamber 18 and in the refrigerant distribution chamber 19 Distributed to the heat exchange tube 2; and a plurality of axially extending individual components 11 and 12, the refrigerant entering at least one of the cavity 18 and the refrigerant distribution chamber 19 or the header 1 passing
  • the axial direction perpendicular assembly direction A is formed by sequentially placing and joining a plurality of axially extending individual members 11 and 12. Components 11 and 12 can be joined together by splicing or other connections.
  • the inner cavity 20 can have a generally circular cross section, and alternatively, the inner cavity 20 can have a generally elliptical cross section or other shaped cross section.
  • the plurality of axially extending individual components 11 and 12 include a separate first component 11 and second component 12.
  • the first component 11 includes one of the refrigerant entering chamber 18 and the refrigerant distribution chamber 19.
  • the first component 11 includes the refrigerant entering the cavity 18.
  • the first component 11 comprises: a first curved wall portion 111 (an example of a first U-shaped wall portion) a stepped portion 112 extending outward from both ends of the first curved wall portion 111, a second curved wall portion extending from an outer end of the stepped portion 112 toward a side away from the first curved wall portion 111 113 (an example of a second wall portion), and a partition wall portion 114 extending between the inner ends of the stepped portion 112.
  • the second member 12 has an arcuate wall portion (an example of an inverted U-shaped wall portion) when viewed in cross section, and both ends of the arcuate wall portion of the second member 12 are disposed at The inner side of the second curved wall portion 113 of the first member 11. Both ends of the curved wall portion of the second member 12 may be joined to the second curved wall portion 113 of the first member 11 by means of splicing or the like.
  • a refrigerant pipe 115 is integrally formed on a surface of the partition wall portion 114 away from the refrigerant distribution chamber 19 side, and a refrigerant pipe 115 is spaced apart from the first curved wall portion 111. open.
  • the refrigerant conduit 115 defines a refrigerant entering the cavity 18.
  • the partition wall portion 114 and the refrigerant pipe 115 and the first curved wall A cavity 17 is formed between the portions 111.
  • the partition wall portion 114 is convex toward the side of the refrigerant distribution chamber 19.
  • the refrigerant entering chamber 18 and the refrigerant distribution chamber 19 are separated by a partition wall portion 114 and are in fluid communication through holes 14 in the partition wall portion 114.
  • Each of the heat exchange tubes 2 corresponds to at least one hole 14, that is, the number of the holes 14 is at least equal to the number of the heat exchange tubes 2.
  • the position 4 of each of the holes 14 is between the two adjacent heat exchange tubes 2.
  • there is at least one hole such as a circular hole or an opening between the adjacent heat exchange tubes 1.
  • the uniformity of the refrigerant entering the heat exchange tube 1 can be ensured, and the refrigerant enters the cavity 18 from the refrigerant to the refrigerant distribution chamber 19, and then collides with the upper wall of the refrigerant distribution chamber 19 to make the vapor-liquid mixture uniform. Then enter the heat exchange tube 1, which can ensure the uniformity of the refrigerant in the heat exchange tube 1 and improve the heat exchange performance.
  • each heat exchange tube 1 corresponds to at least one hole 14 and a hole at each position in the longitudinal direction or the axial direction of the header 1
  • the number of 14 is less than three.
  • each of the plurality of axially extending individual members 11, 12 constituting the outer wall of the header 1 corresponds to a central angle of less than 360 degrees or 270 degrees.
  • the central angle of the portion of the plurality of axially extending individual members 11, 12 that form the outer surface of the outer surface of the header 1 of each of the outer walls of the header 1 Less than 360 degrees or 270 degrees.
  • the central angle of the first member 11 is substantially equal to or less than 180 degrees, thereby facilitating the mounting of the second member 12.
  • the header 1 of the heat exchanger 100 is connected by two independent components or a plurality of independent components, or the other is connected, and the cross section of the header 1 is divided into at least two independent cavities. .
  • the inner side of the cross section of the collecting pipe which is spliced by several independent parts is circular.
  • the collecting tube is connected by a plurality of components, which can solve the problem of high cost of the high frequency manifold.
  • the inner side of the cross section of the collecting pipe is round, and a round end cap can be used, which is convenient for processing and high reliability. Furthermore, the process of inserting the distribution plate into the interior of the header is eliminated, which greatly reduces the process complexity.
  • the design of the inner end cap can be ensured to be circular, and thus the structure of the header 1 is simple and the sealing property is good. Further, as shown in Fig. 2, the line 119 of the end portion of the second curved wall portion 113 does not exceed the center line of the circular inner circumference of the cross section. This makes it easy to install in the production process, reducing process complexity and ensuring reliability.
  • the width of the overlapping portion of the arcuate wall portion 113 and the arcuate wall portion of the second member 12 is greater than or equal to 3 mm.
  • the header 1 of the present invention includes a refrigerant inlet chamber and a refrigerant distribution chamber, and the refrigerant enters the chamber and the refrigerant distribution chamber passes through a hole 14, such as a circular hole or other opening, for communication. Thereby, the amount of refrigerant entering the refrigerant distribution chamber can be determined as needed, thereby improving the distribution of the refrigerant.
  • the end of the heat exchange tube 2 such as a flat tube adopts a constricted configuration, which is inserted into the opening of the header 1 and is positioned relative to the header 1 by means of a constriction, as shown in Fig. 2, such as to avoid
  • the heat exchange tubes 2 of the tubes are in contact with the partition wall portion 114 of the header 1 to cause clogging.
  • the embodiment 2 according to the present invention is further improved on the basis of the embodiment 1.
  • the first member 11 further includes a protrusion 116 formed on the partition wall portion 114, for example, a surface of the partition wall portion 114 facing the refrigerant distribution chamber 19 and the same
  • the two curved wall portions 113 are spaced apart by a predetermined distance. The distance may be substantially equal to the thickness of both ends of the arcuate wall portion of the second member 12, whereby both ends of the arcuate wall portion of the second member 12 are inserted into the projection 116 and the second curved wall portion 113. between.
  • the plurality of axially extending individual components 11, 12, 13 comprise separate first component 11, second component 12 and third component 13, by means of the assembly direction
  • a One component 11, third component 13 and second component 12 are placed and connected in sequence Together, the first component 11, the third component 13, and the second component 12 are joined together, for example by splicing.
  • a refrigerant entering cavity 18 is formed between the first component 11 and the third component 13, and a refrigerant distribution cavity 19 is formed between the third component 13 and the second component 12.
  • the first member 11 when viewed in cross section, such as viewed in the cross-sectional view shown in FIG. 4, the first member 11 includes: a first curved wall portion 111, from the first curved wall portion 111. A stepped portion 112 extending outwardly from both ends, and a second curved wall portion 113 extending from an outer end of the stepped portion 112 toward a side away from the first curved wall portion 111.
  • the third member 13 has a first end and a second end when viewed in cross section, and the first end and the second end of the third member 13 are placed and attached to the step portion 112, respectively.
  • the refrigerant entering chamber 18 and the refrigerant distribution chamber 19 are in fluid communication through the bores 14 in the third member 13.
  • the third member 13 is convex toward the side of the refrigerant distribution chamber 19.
  • the end portion of the heat exchange tube 2 such as a flat tube adopts a neck-reducing configuration, the end portion is inserted into the opening of the header tube, and is positioned relative to the header tube 1 by using a constriction, as shown in FIG. It is possible to prevent the heat exchange tube 2 such as a flat tube from coming into contact with the third member 13 of the header tube 1, thereby causing clogging.
  • Example 4
  • Embodiment 4 according to the present invention has been further improved on the basis of Embodiment 1. Specifically, as shown in Fig. 5, the header 1 does not have the refrigerant duct 115 shown in Fig. 2, and the refrigerant inlet chamber 18 is defined by the first curved wall portion 111 and the partition wall portion 114.
  • the header 1 is used as an inlet header, and it is obvious that the header 1 is also Used as an outlet header.
  • the present invention provides a header and a heat exchanger which improve the two-phase flow distribution of a heat exchanger such as a microchannel heat exchanger by connecting a plurality of separate components.
  • the present invention can improve the problem of unstable product quality due to a simple assembly process.
  • the present invention solves the problem of high cost of current high frequency welded pipes.
  • the above embodiment has been described with a circular header, the above embodiment is equally applicable to headers of other cross-sectional shapes, such as an elliptical header, a rectangular header, and the like.
  • the first curved wall portion in the above embodiment becomes the first u-shaped wall portion
  • the second curved wall portion becomes the second wall portion.
  • the curved wall portion of the second component becomes the inverted U-shaped wall portion of the second component.

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

Abstract

一种集流管（1），包括：轴向延伸的内腔体（20），该内腔体（20）包括分隔开的制冷剂进入腔体（18）和制冷剂分配腔体（19），该制冷剂进入腔体（18）和制冷剂分配腔体（19）流体连通，制冷剂进入该制冷剂进入腔体（18）并在该制冷剂分配腔体（19）分配到换热管（2）；以及多个轴向延伸的单独的部件（11，12），该制冷剂进入腔体（18）和制冷剂分配腔体（19）通过在与轴向方向垂直的组装方向上将多个轴向延伸的单独部件（11，12）依次放置并连接而形成。该集流管（1）由多个单独的部件（11，12）构成。通过将多个单独的部件（11，12）连接在一起，改善了换热器的两相流分配的问题，提高了换热性能，改善了产品质量不稳定的问题，解决了当前高频焊管成本高的问题。

Description

集流管以及具有集流管的换热器 技术领域
本发明涉及集流管以及具有集流管的换热器。 背景技术
美国专利申请 US2011/0315363 A1公开了一种换热器，该换热器 包括第一集流管和第二集流管。一个分配板沿长度方向布置在第一集 流管内部将第一集流管分成一个冷媒进入部分和一个冷媒分配部分， 多通道扁管延伸进入第一集流管，在冷媒分配部分形成多个制冷剂分 配腔体。在第一集流管内， 多通道扁管一端与分配板接触， 第二端布 置在第二个集流管内，在第一和第二集流管间形成了多个大致平行的 流路， 并且至少有部分被分配板阻挡。多通道扁管的一端的外壁被去 掉使得冷媒可以从分配腔体进入扁管内部。
美国专利申请 US2011/0315363 A1 公开的换热器中仍然使用高 频悍集流管， 没有解决高频悍管成本高的问题。 此外， 分配板插入到 进 Π集流管内部使得制造工艺复杂性增加， 并且不容易控制产品质 量。 再者， 扁管端部与分配板接触很容易引起扁管悍堵。 发明内容
本发明提供了一种集流管以及具有该集流管的换热器， 由此例 如可以解决高频悍管高成本的问题和提高换热性能。
根据本发明的一方面， 本发明提供了一种集流管， 该集流管包 括： 轴向延伸的内腔体， 所述内腔体包括分隔开的制冷剂进入腔体和 制冷剂分配腔体， 所述制冷剂进入腔体和制冷剂分配腔体流体连通， 制冷剂进入所述制冷剂进入腔体并在所述制冷剂分配腔体分配到换 热管； 以及多个轴向延伸的单独的部件， 所述制冷剂进入腔体和制冷 剂分配腔体中的至少一个或所述集流管通过在与所述轴向方向垂直 的组装方向上将多个轴向延伸的单独的部件依次放置并连接而形成。 根据本发明的另一方面， 所述多个轴向延伸的单独的部件包括 单独的第一部件和第二部件，第一部件包括所述制冷剂进入腔体和制 冷剂分配腔体中的一个，并且通过在所述组装方向上将第一部件和第 二部件放置并连接在一起，所述第一部件的壁的至少一部分与第二部 件形成所述制冷剂进入腔体和制冷剂分配腔体中的另一个。
根据本发明的另一方面， 在横截面上观看时， 所述第一部件包 括： 第一 U形壁部分， 从第一 U形壁部分的两端向外侧延伸的台阶 部分， 以及从所述台阶部分的外端向远离第一 u形壁部分的一侧延 伸的第二壁部分。
根据本发明的另一方面， 在横截面上观看时， 所述第一部件包 括： 第一 U形壁部分， 从第一 U形壁部分的两端向外侧延伸的台阶 部分， 从所述台阶部分的外端向远离第一 u形壁部分的一侧延仲的 第二壁部分， 以及在所述台阶部分的内端之间延伸的分隔壁部分。
根据本发明的另一方面， 所述第一部件还包括凸起， 所述凸起 形成在分隔壁部分上并与所述第二壁部分间隔预定的距离。
根据本发明的再一方面， 在横截面上观看时， 所述第一部件包 括： 第一弧形壁部分， 从第一弧形壁部分的两端向外侧延伸的台阶部 分，以及从所述台阶部分的外端向远离第一弧形壁部分的一侧延伸的 第二弧形壁部分。
根据本发明的又一方面， 在横截面上观看时， 所述第一部件包 括： 第一弧形壁部分， 从第一弧形壁部分的两端向外侧延伸的台阶部 分，从所述台阶部分的外端向远离第一弧形壁部分的一侧延伸的第二 弧形壁部分， 以及在所述台阶部分的内端之间延伸的分隔壁部分。
根据本发明的另一方面， 所述第一部件包括凸起， 所述凸起形 成在分隔壁部分上并与所述第二弧形壁部分间隔预定的距离。
根据本发明的再一方面， 所述多个轴向延伸的单独的部件包括 单独的第一部件、第二部件和第三部件， 通过在所述组装方向上将第 一部件、第三部件和第二部件依次放置并连接在一起， 所述第一部件 与第三部件之间形成制冷剂进入腔体，并且第三部件和第二部件之间 形成制冷剂分配腔体。 根据本发明的另一方面， 在横截面上观看时， 所述第一部件包 括： 第一 U形壁部分， 从第一 U形壁部分的两端向外侧延伸的台阶 部分， 以及从所述台阶部分的外端向远离第一 u形壁部分的一侧延 伸的第二壁部分。
根据本发明的另一方面， 在横截面上观看时， 所述第二部件具 有倒 U形壁部分， 所述第二部件的倒 U形壁部分的两端设置在所述 第一部件的第二壁部分的内侧。
根据本发明的另一方面， 在横截面上观看时， 第一 U形壁部分 是大致弧形的。
根据本发明的另一方面， 在横截面上观看时， 所述第二壁部分 是大致弧形的。
根据本发明的另一方面， 在横截面上观看时， 所述第二部件的 倒 U形壁部分是大致弧形的。
根据本发明的又一方面， 在横截面上观看时， 所述第一部件包 括： 第一弧形壁部分， 从第一弧形壁部分的两端向外侧延伸的台阶部 分，以及从所述台阶部分的外端向远离第一弧形壁部分的一侧延伸的 第二弧形壁部分。
根据本发明的另一方面， 在横截面上观看时， 所述第三部件具 有第一端和第二端，所述第三部件的第一端和第二端分别放置并连接 在所述台阶部分上。
根据本发明的再一方面， 在横截面上观看时， 所述第二部件具 有弧形壁部分，所述第二部件的弧形壁部分的两端设置在所述第一部 件的第二弧形壁部分的内侧。
根据本发明的另一方面， 在横截面上观看时， 所述多个轴向延 伸的单独的部件中的构成集流管外壁的每一个部件所对应的圆心角 小于 360度， 或在横截面上观看时，所述多个轴向延伸的单独的部件 中的构成集流管外壁的每一个部件的形成集流管外表面的部分所对 应的圆心角小于 360度。
根据本发明的另一方面， 所述第二部件的倒 U形壁部分与所述 第一部件的第二壁部分重叠部分的宽度大于或等于 3mm。 根据本发明的又一方面， 在横截面上观看时， 所述第一部件所 对应的圆心角大致等于或小于 180度。
根据本发明的再一方面， 所述分隔壁部分朝向所述制冷剂分配 腔体侧凸起。
根据本发明的另一方面， 所述分隔壁部分的远离所述制冷剂分 配腔体侧的表面上一体地形成有制冷剂管道并且制冷剂管道与所述 第一 U形壁部分间隔开。
根据本发明的另一方面， 所述集流管内侧大致呈圆形。
根据本发明的一方面， 本发明提供了一种换热器， 该换热器包 括： 换热管， 以及上述的集流管， 所述换热管的端部与集流管的制冷 剂分配腔体流体连通。
根据本发明的又一方面， 所述集流管具有在所述集流管的管壁 中形成的沿轴向排列的多个开口， 所述换热管的端部具有台阶， 所述 换热管的端部插入所述开口中，并且所述换热管的台阶的至少一部分 邻接所述开口的周边。
根据本发明的另一方面， 所述制冷剂进入腔体和制冷剂分配腔 体通过分隔壁部分分隔并通过分隔壁部分中的孔流体连通，在集流管 的轴向方向上， 两相邻换热管之间至少有一个所述孔。
本发明中， 换热器的进口集流管由多个部件悍接或者其他方式 连接而成， 几个部件将集流管分成两个或多个独立的腔体， 与扁管连 通的腔体为制冷剂分配腔体， 其他腔体中的一个为制冷剂进入腔体， 制冷剂进入腔体与制冷剂分配腔体通过圆孔或者其他开口方式连通。 这样冷媒从进入腔体进入集流管，然后通过两个腔体之间的开口进入 制冷剂分配腔体， 沿集流管长度方向分布多个开口， 基本上每个扁管 或多个扁管对应至少一个开口，冷媒再由制冷剂分配腔体进入扁管达 到冷媒分配均匀的目的。
本发明的换热器的集流管由两个独立部件或多个独立部件悍接 或其它方式连接而成， 将集流管横截面分割成至少两个独立腔体。并 且， 几个独立部件拼接而成的集流管横截面内侧呈圆形。集流管由多 个部件连接而成， 可以解决高频悍管高成本的问题。集流管横截面内 侧呈圆形， 可以采用圆形端盖， 这样加工方便， 可靠性高。 取消了分 配板插入到集流管内部的工序， 使工艺复杂性大大降低。 附图说明
图 1是根据本发明的第一实施例的换热器的示意图。
图 2是根据本发明的第一实施例的换热器的局部示意剖视图。 图 3是根据本发明的第二实施例的换热器的局部示意剖视图。 图 4是根据本发明的第三实施例的换热器的局部示意剖视图。 图 5是根据本发明的第四实施例的换热器的局部示意剖视图。 具体实施方式 实施例 1
如图 1所示，根据本发明的实施例的诸如微通道换热器的换热器 100包括： 集流管 1、 7 (例如， 进口集流管 1和出口集流管 7 ) ·' 诸 如扁管的换热管 2; 设置在换热管 2之间的翅片 5; 以及边板 3。 换 热器可以应用在暖通空调，汽车，制冷及运输领域，并可用作蒸发器， 冷凝器和水箱等换热器。换热管 2的端部与集流管的制冷剂分配腔体 19流体连通。 所述集流管 1 具有在所述集流管的管壁中形成的沿轴 向排列的多个开口， 所述换热管 2的端部具有台阶， 例如， 在换热管 1的轴向方向上， 在距离换热管 1的端部的端面预定距离的位置处形 成台阶， 从端部的端面到台阶之间的换热管 1的横截面小于换热管 1 的其它部分的横截面。所述换热管 2的端部插入所述开口中， 所述换 热管 2的台阶的至少一部分邻接所述开口的周边。 由此， 可以控制换 热管 1插入集流管 1、 7的长度， 减少换热管 1定位装置并还可以保 证换热管 1插入集流管 1、 7的长度的均匀性。
如图 1、 2所示， 根据本发明的第一实施例的集流管 1包括： 轴 向延伸的内腔体 20， 内腔体 20包括分隔开的制冷剂进入腔体 18和 制冷剂分配腔体 19， 所述制冷剂进入腔体和制冷剂分配腔体流体连 通， 制冷剂进入所述制冷剂进入腔体 18并在所述制冷剂分配腔体 19 分配到换热管 2; 以及多个轴向延伸的单独的部件 11和 12， 所述制 冷剂进入腔体 18和制冷剂分配腔体 19中的至少一个或所述集流管 1 通过在与所述轴向方向垂直的组装方向 A上将多个轴向延伸的单独 的部件 11和 12依次放置并连接而形成。部件 11和 12可以通过悍接 或其它连接方式连接在一起。
如图 2所示， 内腔体 20可以具有大致圆形的横截面， 此外作为 选择，内腔体 20可以具有大致椭圆形的横截面或其它形状的横截面。
如图 2所示， 所述多个轴向延伸的单独的部件 11和 12包括单 独的第一部件 11和第二部件 12。 第一部件 11包括所述制冷剂进入 腔体 18和制冷剂分配腔体 19中的一个。 图 2所示的示例中， 第一部 件 11包括所述制冷剂进入腔体 18。通过在所述组装方向 A上将第一 部件 11和第二部件 12放置并连接在一起， 所述第一部件 11的壁的 至少一部分与第二部件 12形成所述制冷剂进入腔体 18和制冷剂分配 腔体 19中的另一个， 图 2所示的示例中， 所述第一部件 11的壁的至 少一部分与第二部件 12形成制冷剂分配腔体 19。
如图 2所示， 在横截面上观看时， 例如在图 2所示的截面图上 观看时， 所述第一部件 11包括： 第一弧形壁部分 111 (第一 U形壁 部分的示例）， 从第一弧形壁部分 111的两端向外侧延伸的台阶部分 112， 从所述台阶部分 112的外端向远离第一弧形壁部分 111的一侧 延伸的第二弧形壁部分 113 (第二壁部分的示例） ， 以及在所述台阶 部分 112的内端之间延伸的分隔壁部分 114。
如图 2所示， 在横截面上观看时， 所述第二部件 12具有弧形壁 部分 （倒 U形壁部分的示例） ， 所述第二部件 12的弧形壁部分的两 端设置在所述第一部件 11的第二弧形壁部分 113的内侧。 可以通过 悍接等方式将第二部件 12的弧形壁部分的两端与所述第一部件 11的 第二弧形壁部分 113连接在一起。
如图 2所示， 所述分隔壁部分 114的远离所述制冷剂分配腔体 19侧的表面上一体地形成有制冷剂管道 115并且制冷剂管道 115与 所述第一弧形壁部分 111间隔开。制冷剂管道 115限定制冷剂进入腔 体 18。 在所述分隔壁部分 114和制冷剂管道 115与所述第一弧形壁 部分 111之间形成腔体 17。
如图 2所示， 所述分隔壁部分 114朝向所述制冷剂分配腔体 19 侧凸起。 如图 2所示， 所述制冷剂进入腔体 18和制冷剂分配腔体 19 通过分隔壁部分 114分隔开并且通过分隔壁部分 114中的孔 14流体 连通。 每个换热管 2至少对应一个孔 14， 即孔 14的数量至少与换热 管 2的数量相等。 例如， 如图 1所示， 沿集流管 1的长度方向或轴向 方向， 每个孔 14的位置 4在两相邻换热管 2之间。 沿集流管 1的长 度方向或轴向方向上，两相邻换热管 1之间至少有一个诸如圆孔或开 口的孔。 由此可保证冷媒进入换热管 1的均匀性， 冷媒从制冷剂进入 腔体 18到制冷剂分配腔体 19， 然后与制冷剂分配腔体 19的上壁碰 撞后， 使汽液混合均匀， 然后再进入换热管 1， 可以保证换热管 1内 的冷媒均匀性， 提高换热性能。
作为选择， 在集流管 1的长度方向或轴向方向上， 每个换热管 1 至少对应一个孔 14， 且在集流管 1 的长度方向或轴向方向上的每个 位置处的孔 14的数量小于 3个。
如图 2所示， 在横截面上观看时， 所述多个轴向延伸的单独的 部件 11、 12中的构成集流管 1外壁的每一个部件所对应的圆心角小 于 360度或 270度， 或在横截面上观看时， 所述多个轴向延伸的单独 的部件 11、 12中的构成集流管 1外壁的每一个部件的形成集流管 1 外表面的部分所对应的圆心角小于 360度或 270度。如图 2所示， 其 中在横截面上观看时， 所述第一部件 11所对应的圆心角大致等于或 小于 180度， 由此便于第二部件 12的安装。
在实施例 1中， 换热器 100的集流管 1 由两个独立部件或多个 独立部件悍接或其它方式连接而成，将集流管 1的横截面分割成至少 两个独立腔体。并且， 几个独立部件拼接而成的集流管横截面内侧呈 圆形。集流管由多个部件连接而成，可以解决高频悍管高成本的问题。 集流管横截面内侧呈圆形， 可以采用圆形端盖， 这样加工方便， 可靠 性高。再者取消了分配板插入到集流管内部的工序， 使工艺复杂性大 大降低。 由于集流管 1的内侧大致呈圆形， 可以保证内置端盖的设计 呈圆形， 由此集流管 1的结构简单， 密封性好。 此外， 如图 2所示， 第二弧形壁部分 113的端部的连线 119不 超过横截面内部圆形的中心线。这样在生产过程中安装方便， 减少工 艺复杂性， 保证可靠性。
此外， 如图 2所示， 第二弧形壁部分 113与第二部件 12的弧形 壁部分重叠部分的宽度大于或等于 3mm。 由此， 在工艺上容易实现 焊接， 同时可以提高集流管的焊接强度， 改善多片式集流管耐压强度 低的问题。
本发明的集流管 1 包括制冷剂进入腔体和制冷剂分配腔体， 制 冷剂进入腔体和制冷剂分配腔体通过孔 14， 例如圆孔或其它开孔， 进行连通。 由此可以根据需要确定制冷剂进入制冷剂分配腔体的数 量， 从而改善制冷剂的分配。
诸如扁管的换热管 2的端部采用缩口构造，该端部插入集流管 1 的开口中， 并利用缩口相对于集流管 1定位， 如图 2所示， 可以避免 诸如扁管的换热管 2与集流管 1的分隔壁部分 114接触，从而引起悍 堵。 实施例 2
如图 3所示， 根据本发明的实施例 2在实施例 1的基础上进行 了进一歩改进。 具体而言， 所述第一部件 11还包括凸起 116， 所述 凸起 116形成在分隔壁部分 114上，例如分隔壁部分 114的朝向制冷 剂分配腔体 19的表面上并与所述第二弧形壁部分 113间隔预定的距 离。 该距离可以大致等于第二部件 12的弧形壁部分的两端的厚度， 由此第二部件 12的弧形壁部分的两端插入所述凸起 116与所述第二 弧形壁部分 113之间。通过设置凸起 116，可以保证两个独立部件 11、 12接触良好， 提高悍接强度。 实施例 3
如图 4所示， 所述多个轴向延伸的单独的部件 11、 12、 13包括 单独的第一部件 11、第二部件 12和第三部件 13， 通过在所述组装方 向 A上将第一部件 11、 第三部件 13和第二部件 12依次放置并连接 在一起， 例如通过悍接将第一部件 11、 第三部件 13和第二部件 12 连接在一起。所述第一部件 11与第三部件 13之间形成制冷剂进入腔 体 18，并且第三部件 13和第二部件 12之间形成制冷剂分配腔体 19。
如图 4所示， 在横截面上观看时， 例如在图 4所示的截面图上 观看时， 所述第一部件 11包括： 第一弧形壁部分 111， 从第一弧形 壁部分 111的两端向外侧延伸的台阶部分 112， 以及从所述台阶部分 112的外端向远离第一弧形壁部分 111的一侧延伸的第二弧形壁部分 113。在横截面上观看时， 所述第三部件 13具有第一端和第二端， 所 述第三部件 13 的第一端和第二端分别放置并连接在所述台阶部分 112上。
如图 4所示， 所述制冷剂进入腔体 18和制冷剂分配腔体 19通 过所述第三部件 13中的孔 14流体连通。 所述第三部件 13朝向所述 制冷剂分配腔体 19侧凸起。
如图 4所示， 构成集流管 1的几个独立部件 11、 12、 13相互接 触， 在相接触的部分， 由一个部件 11包含两另外的部件 12、 13。
如图 4所示， 诸如扁管的换热管 2的端部采用缩口构造， 该端 部插入集流管的开口中， 并利用缩口相对于集流管 1定位， 如图 4所 示， 可以避免诸如扁管的换热管 2与集流管 1的第三部件 13接触， 从而引起悍堵。 实施例 4
根据本发明的实施例 4在实施例 1 的基础上进行了进一歩的改 进。 具体而言， 如图 5所示， 集流管 1没有图 2所示的制冷剂管道 115，制冷剂进入腔体 18由第一弧形壁部分 111和分隔壁部分 114限 定。
图 2和 3所示的实施例相对于图 4和 5所示的实施例的优势在于 保证其它部件、 工艺相同的情况下进一歩缩小了制冷剂进入腔体 18， 从而能够改善冷媒进入集流管 1后的两相冷媒分离的问题，改善冷媒 的分配， 提高换热器的换热性能。
在上述实施例中， 集流管 1用作进口集流管， 显然集流管 1也可 以用作出口集流管。
从上述内容可以看出， 本发明提供了一种集流管和一种换热器， 通过将多个单独的部件进行连接，改善了诸如微通道换热器的换热器 的两相流分配的问题， 并且提高换热性能。 此外， 由于简单的装配工 艺， 本发明可以改善产品质量不稳定的问题。再者本发明解决当前高 频焊管成本高的问题。
尽管上述实施例中， 以圆形集流管进行了描述， 但是上述实施例 同样适用于其他截面形状的集流管， 例如椭圆形集流管、矩形集流管 等。在集流管是任意合适的形状的情况下， 上述实施例中的第一弧形 壁部分成为第一 u形壁部分， 第二弧形壁部分成为第二壁部分。 第 二部件的弧形壁部分成为第二部件的倒 U形壁部分。

Claims

权 利 要 求
1、 一种集流管， 包括：
轴向延伸的内腔体， 所述内腔体包括分隔开的制冷剂进入腔体 和制冷剂分配腔体， 所述制冷剂进入腔体和制冷剂分配腔体流体连 通，制冷剂进入所述制冷剂进入腔体并在所述制冷剂分配腔体分配到 换热管； 以及
多个轴向延伸的单独的部件， 所述制冷剂进入腔体和制冷剂分 配腔体中的至少一个或所述集流管通过在与所述轴向方向垂直的组 装方向上将多个轴向延伸的单独的部件依次放置并连接而形成。
2、 根据权利要求 1所述的集流管， 其中所述多个轴向延仲的单 独的部件包括单独的第一部件和第二部件，第一部件包括所述制冷剂 进入腔体和制冷剂分配腔体中的一个，并且通过在所述组装方向上将 第一部件和第二部件放置并连接在一起，所述第一部件的壁的至少一 部分与第二部件形成所述制冷剂进入腔体和制冷剂分配腔体中的另 一个。
3、 根据权利要求 2所述的集流管， 其中在横截面上观看时， 所 述第一部件包括： 第一 U形壁部分， 从第一 U形壁部分的两端向外 侧延伸的台阶部分， 以及从所述台阶部分的外端向远离第一 U形壁 部分的一侧延伸的第二壁部分。
4、 根据权利要求 2所述的集流管， 其中在横截面上观看时， 所 述第一部件包括： 第一 U形壁部分， 从第一 U形壁部分的两端向外 侧延伸的台阶部分， 从所述台阶部分的外端向远离第一 U形壁部分 的一侧延伸的第二壁部分，以及在所述台阶部分的内端之间延伸的分 隔壁部分。
5、 根据权利要求 4所述的集流管， 其中所述第一部件还包括凸 壁部分间隔预定的距
6、 根据权利要求 1所述的集流管， 其中所述多个轴向延伸的单 独的部件包括单独的第一部件、第二部件和第三部件， 通过在所述组 装方向上将第一部件、 第三部件和第二部件依次放置并连接在一起， 所述第一部件与第三部件之间形成制冷剂进入腔体，并且第三部件和 第二部件之间形成制冷剂分配腔体。
7、 根据权利要求 6所述的集流管， 其中在横截面上观看时， 所 述第一部件包括： 第一 U形壁部分， 从第一 U形壁部分的两端向外 侧延伸的台阶部分， 以及从所述台阶部分的外端向远离第一 U形壁 部分的一侧延伸的第二壁部分。
8、 根据权利要求 7所述的集流管， 其中在横截面上观看时， 所 述第三部件具有第一端和第二端，所述第三部件的第一端和第二端分 别放置并连接在所述台阶部分上。
9、根据权利要求 3或 7所述的集流管，其中在横截面上观看时， 所述第二部件具有倒 U形壁部分， 所述第二部件的倒 U形壁部分的 两端设置在所述第一部件的第二壁部分的内侧。
10、 根据权利要求 3至 5和 7至 8中的任一项所述的集流管， 其中在横截面上观看时， 第一 U形壁部分是大致弧形的。
11、 根据权利要求 3至 5和 7至 8中的任一项所述的集流管， 其中在横截面上观看时， 所述第二壁部分是大致弧形的。 所述第二部件的倒 u形壁部分是大致弧形的。
13、 根据权利要求 9所述的集流管， 其中所述第二部件的倒 U 形壁部分与所述第一部件的第二壁部分的重叠部分的宽度大于或等 于 3mm
14、 根据权利要求 2或 6所述的集流管， 其中在横截面上观看 时， 所述第一部件所对应的圆心角大致等于或小于 180度。
15、 根据权利要求 4所述的集流管， 其中所述分隔壁部分朝向 所述制冷剂分配腔体侧凸起。
16、 根据权利要求 4所述的集流管， 其中所述分隔壁部分的远 离所述制冷剂分配腔体侧的表面上一体地形成有制冷剂管道并且制 冷剂管道与所述第一 U形壁部分间隔开。
17、 根据权利要求 1所述的集流管， 其中
所述集流管内侧大致呈圆形。
18、 一种换热器， 包括：
换热管， 以及
根据权利要求 1 所述的集流管， 所述换热管的端部与集流管的 制冷剂分配腔体流体连通。
19、 根据权利要求 18所述的换热器， 其中：
所述集流管具有在所述集流管的管壁中形成的沿轴向排列的多 个开口， 所述换热管的端部具有台阶， 所述换热管的端部插入所述开 口中， 并且所述换热管的台阶的至少一部分邻接所述开口的周边。
20、 根据权利要求 18所述的换热器， 其中: 所述制冷剂进入腔体和制冷剂分配腔体通过分隔壁部分分隔开 并通过分隔壁部分中的孔流体连通，在集流管的轴向方向上， 两相邻 换热管之间至少有一个所述孔。
PCT/CN2014/072985 2013-03-19 2014-03-06 集流管以及具有集流管的换热器 Ceased WO2014146544A1 (zh)

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