WO2020134492A1 - 换热器连接装置及换热器 - Google Patents

换热器连接装置及换热器 Download PDF

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Publication number
WO2020134492A1
WO2020134492A1 PCT/CN2019/113742 CN2019113742W WO2020134492A1 WO 2020134492 A1 WO2020134492 A1 WO 2020134492A1 CN 2019113742 W CN2019113742 W CN 2019113742W WO 2020134492 A1 WO2020134492 A1 WO 2020134492A1
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WO
WIPO (PCT)
Prior art keywords
sheet body
heat exchanger
connecting device
sheet
convex hull
Prior art date
Application number
PCT/CN2019/113742
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English (en)
French (fr)
Inventor
魏文建
马文勇
Original Assignee
浙江盾安人工环境股份有限公司
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Application filed by 浙江盾安人工环境股份有限公司 filed Critical 浙江盾安人工环境股份有限公司
Priority to US17/417,777 priority Critical patent/US20220074683A1/en
Publication of WO2020134492A1 publication Critical patent/WO2020134492A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—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
    • 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
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/26—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being integral with the element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007—Auxiliary supports for elements
    • F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
    • F28F9/0131—Auxiliary supports for elements for tubes or tube-assemblies formed by 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
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/08—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes pressed; stamped; deep-drawn
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
    • F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels
    • 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
    • F28F2275/04—Fastening; Joining by brazing
    • 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
    • F28F2275/12—Fastening; Joining by methods involving deformation of the elements

Definitions

  • This application relates to the technical field of heat exchange devices, in particular, to a heat exchanger connection device and a heat exchanger.
  • micro-channel heat transfer is a flat rectangular body.
  • micro-channel heat exchangers will also be made into large-size heat exchangers.
  • Ordinary microchannel heat exchangers use porous flat tubes, which can be cut to any length after unwinding.
  • the length of flat tubes produced by molds is fixed, and the length of a single flat tube is not more than 1.2m due to the size of the mold and stamping equipment.
  • the new heat exchanger must use a connection device, the purpose is to make the length of the stamped flat tube can break through the limitations of the size of the mold and equipment , So as to expand the range of product applications to meet the needs of more customers.
  • the main purpose of the present application is to provide a heat exchanger connecting device and a heat exchanger, in order to solve the problem that the structure of the heat exchanger connecting device in the prior art is complicated and the production efficiency is low.
  • a heat exchanger connecting device including a first sheet body and a second sheet body, both of the first sheet body and the second sheet body are in the length direction
  • a plurality of convex hulls are provided, the convex hulls are provided with through holes matched with the heat exchange tubes, and the first piece and the second piece are symmetrically fastened together.
  • the top surface of the convex hull is a flat surface, and the through hole is provided on the flat surface.
  • the through hole is an elongated hole, and the longitudinal direction of the elongated hole is consistent with the width direction of the first sheet body and the second sheet body.
  • the structures and sizes of the convex hulls on the first sheet body and the second sheet body are the same, and the thickness of the first sheet body and the second sheet body are both 1 mm to 2 mm.
  • first sheet body and the second sheet body are fixed together by brazing.
  • the plurality of convex hulls are arranged at intervals, and the outer peripheral plane of the convex hull on the first sheet body and the outer peripheral plane of the convex hull on the second sheet body are soldered and fixed, The cavities formed by the plurality of convex hulls are not in communication with each other.
  • the thickness of the heat exchanger connecting device along the convex direction of the convex hull is less than 10 mm.
  • the convex hull is a stamped convex hull
  • the through hole is a stamped through hole
  • first sheet body and the second sheet body are both aluminum sheets, and the aluminum sheet is a rectangular parallelepiped sheet structure.
  • a heat exchanger connecting device including a first sheet body and a second sheet body, a plurality of convex hulls are provided in a length direction of the first sheet body, the convex hulls A through hole matched with the heat exchange tube is provided on the second sheet body, and a side of the first sheet body facing away from the convex hull is buckled and fixed with the second sheet body.
  • a heat exchanger including a connection device, the connection device being the above-mentioned heat exchanger connection device.
  • connection device in the present application since the connecting device in the present application is formed by fastening the first piece and the second piece together, after the fastening, the first piece and the second piece correspond to each other
  • the convex surrounding is formed to form a cavity, and the connection of the flat tube is realized through the through hole on the convex envelope.
  • the connection device in the present application can reduce the manufacturing cost and meet the requirements of mass production, and has high economy, so that the size of the flat tube microchannel heat exchanger can be increased without being stamped
  • the limitation of the size of the molding process has economically solved the problem of the size of the heat exchanger and increased the application range of the product.
  • FIG. 1 schematically shows a perspective view of the heat exchanger connecting device of the present application
  • FIG. 2 schematically shows a partially cutaway view of the heat exchanger connecting device of the present application
  • FIG. 3 schematically shows a perspective view of the first piece of the heat exchanger connecting device of the present application
  • FIG. 5 schematically shows a cross-sectional view taken along line A-A of FIG. 4;
  • FIG. 8 schematically shows an enlarged view of area A in FIG. 7.
  • a heat exchanger is provided.
  • the heat exchanger includes a heat exchanger connecting device, a flat tube 40, and a header 50.
  • the ends of the flat tube 40 are The header 50 is connected, and two adjacent flat tubes 40 extending along the length of the heat exchanger are connected by a heat exchanger connecting device.
  • the heat exchanger connecting device includes a first sheet body 10 and a second sheet body 20, both of which are provided with a plurality of convex hulls 30 in the longitudinal direction, and the convex hull 30 is provided with Through the through-hole 31 cooperating with the heat exchange tube, the first sheet body 10 and the second sheet body 20 are fastened and fixed together.
  • the connecting device in this embodiment is formed by fastening the first sheet body 10 and the second sheet body 20 together, after the fastening, the corresponding convex hulls on the first sheet body 10 and the second sheet body 20 30 surrounds to form a cavity, and the flat tube is connected through the through hole 31 on the convex hull 30.
  • the connection device in this embodiment can reduce the manufacturing cost and meet the requirements of mass production, and the economy is high, so that the size of the flat tube microchannel heat exchanger is increased, and it is not affected by
  • the limitation of the size of the stamping process has solved the problem of the size of the heat exchanger economically and increased the application range of the product.
  • the first sheet body 10 and the second sheet body 20 of the heat exchanger connecting device adopt a symmetrical design, which can adjust the number of connection units to adapt to different customer needs and standardized designs.
  • the first sheet body 10 and the second sheet body 20 are formed by laminating sheets formed by stamping.
  • the two sheets have the same structure, and a certain number of convex hulls 30 are punched out on the sheet body.
  • the number of the holes 31 and the convex hulls 30 can be flexibly increased or decreased depending on the number of flat tubes.
  • the heat exchange flat tubes are inserted into the through holes 31 on the end surface of the convex hulls 30 to form a whole heat exchanger after brazing.
  • the side of the first sheet body 10 facing away from the convex hull 30 and the second sheet body 20 in this embodiment are fastened together to facilitate connection with the heat exchange tube.
  • the top surface of the convex hull 30 is a flat surface, and the through hole 31 is provided on the flat surface.
  • the structure is simple, easy to process, and easy to realize the butt joint of the heat exchanger flat tubes.
  • the through-hole 31 in this embodiment is an elongated hole, and the longitudinal direction of the elongated hole is consistent with the width direction of the first sheet body 10 and the second sheet body 20, so as to facilitate matching connection with the end of the flat tube.
  • the through-hole 31 may also be provided as a round hole or a polygonal hole, etc., as long as it is other variants under the concept of the present application, they are all within the protection scope of the present application.
  • the structures and sizes of the convex hulls 30 on the first sheet body 10 and the second sheet body 20 are the same, and the thicknesses of the first sheet body 10 and the second sheet body 20 are both 1 mm to 2 mm.
  • the first sheet body 10 and the second sheet body 20 are fixed together by brazing.
  • the plurality of convex hulls 30 in this embodiment are spaced apart, and the outer circumferential plane of the convex hull 30 on the first sheet body 10 and the outer circumferential plane of the convex hull 30 on the second sheet body 20 are brazed and fixed.
  • the joint surfaces of the two sheets are bonded to each other after brazing and welding, the middle convex hull is self-sealing, and the front and rear flat tubes are inserted into the through holes 31 of the connecting device to form a connection, so the function is realized.
  • the cavities formed by the plurality of convex hulls 30 are not in communication with each other, so that there is no cross communication between the upper and lower flat tubes, and only the two front and back flat tubes connected are connected to each other, to avoid liquid flow and gas flow between the tube bundles.
  • the thickness of the heat exchanger connecting device in this embodiment in the convex direction of the convex hull 30 is less than 10 mm.
  • the heat exchanger connecting device has little effect on the air-side flow area of the micro-channel heat exchanger, and has an influence on wind resistance and heat exchange performance. The impact is very small.
  • the convex hull 30 is a stamped convex hull, and the through hole 31 is a stamped through hole, which is convenient for processing and reduces the production cost of the heat exchanger connecting device.
  • the first sheet body 10 and the second sheet body 20 in this embodiment are both aluminum sheets, and the aluminum sheets have a rectangular parallelepiped sheet structure, and the heat exchange effect is good.
  • the connection device of the heat exchanger in this embodiment is a high-strength aluminum plate with double-sided composite solder. The connection device is fed into the furnace together with the core of the heat exchanger, and becomes one after brazing.
  • the central convex hull can meet the requirements of 2.0MPa-
  • the use pressure of 4.5MPa and the test pressure of 13.5MPa meet the requirements of pressure resistance and blasting of the heat exchanger in the refrigeration field.
  • the heat exchanger is a heat exchanger with a size of 2.4m or less
  • one heat exchanger connection device is used.
  • the number of connection devices can be increased according to the actual length.
  • connection device of the present application can increase the size of the formed flat tube microchannel heat exchanger, and is not limited by the size of the stamping forming process (die, press), which economically solves the problem of size and increases the application of the product Scope;
  • the connection device is made by stamping process, which can reduce the manufacturing cost and meet the requirements of mass production, and the economy is high;
  • the connection unit of the connection device adopts a symmetrical design, which can adjust the number of connection units to adapt to different customer needs and standardized design;
  • the thickness of the connecting device is less than 10 mm, and the connecting device has little effect on the wind-side flow area of the micro-channel heat exchanger, and has little effect on wind resistance and heat transfer performance.

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

Abstract

本申请提供了一种换热器连接装置及换热器。换热器连接装置，包括第一片体和第二片体，所述第一片体和所述第二片体的长度方向上均设置有多个凸包，所述凸包上设置有与换热管相配合的通孔，所述第一片体和所述第二片体扣合固定在一起。本申请中连接装置能够降低制造成本和满足大批量生产的要求，经济性高，使得扁管微通道换热器的尺寸得以加大，不受冲压成型工艺尺寸的限制，经济地解决了换热器尺寸的问题，增大了产品的应用范围。

Description

换热器连接装置及换热器 技术领域
本申请涉及换热装置技术领域，具体而言，涉及一种换热器连接装置及换热器。
背景技术
一般情况下，普通的微通道换热为扁平的矩形体。但为了增加换热性能以及满足不同应用和安装需求，微通道换热器也会被制作成大尺寸换热器。
普通微通道换热器采用多孔扁管，开卷后可以任意长度裁切，通常模具生产的扁管长度是固定的，而且受模具和冲压设备的尺寸限制、单根扁管的长度不超过1.2m，对于尺寸超过1.2m的产品，例如风冷模块机换热器，长度近2.0m，新型换热器就必须采用连接装置，目的是使冲压成型扁管的长度可以突破模具和设备尺寸的限制，从而扩大产品应用范围，满足更多客户需求。
然而，现有的连接装置的结构都比较复杂，且生产效率低下，不便于进行换热器的标准化生产。
发明内容
本申请的主要目的在于提供一种换热器连接装置及换热器，以解决现有技术中的换热器连接装置的结构复杂，生产效率低的问题。
为了实现上述目的，根据发明的一方面，提供了一种换热器连接装置，包括第一片体和第二片体，所述第一片体和所述第二片体的长度方向上均设置有多个凸包，所述凸包上设置有与换热管相配合的通孔，所述第一片体和所述第二片体对称扣合固定在一起。
进一步地，所述凸包的顶面为平面，所述通孔设置在所述平面上。
进一步地，所述通孔为长条孔，所述长条孔的长度方向与所述第一片体和所述第二片体的宽度方向一致。
进一步地，所述第一片体和所述第二片体上所述凸包的结构和尺寸相同，且所述第一片体和所述第二片体的厚度均为1mm至2mm。
进一步地，所述第一片体和所述第二片体通过钎焊固定在一起。
进一步地，所述多个凸包间隔设置，且所述第一片体上的所述凸包的外周平面与所述第二片体上的所述凸包的外周平面钎焊贴合固定，所述多个凸包形成的空腔之间彼此不连通。
进一步地，所述换热器连接装置沿所述凸包的凸起方向的厚度小于10mm。
进一步地，所述凸包为冲压凸包，所述通孔为冲压通孔。
进一步地，所述第一片体和所述第二片体均为铝片，所述铝片为长方体片状结构。
根据本申请的另一方面，提供了一种换热器连接装置，包括第一片体和第二片体，所述第一片体的长度方向上设置有多个凸包，所述凸包和所述第二片体上设置有与换热管相配合的通孔，所述第一片体的背离所述凸包的一面和所述第二片体扣合固定在一起。
根据本申请的另一方面，提供了一种换热器，包括连接装置，所述连接装置为上述的换热器连接装置。
应用本申请的技术方案，由于本申请中的连接装置是通过第一片体和第二片体扣合固定在一起形成的，扣合之后，第一片体和第二片体上相对应的凸包围设形成一个空腔，并通过凸包上的通孔实现扁管的连接。相对于现有技术中的连接装置而言，本申请中连接装置能够降低制造成本和满足大批量生产的要求，经济性高，使得扁管微通道换热器的尺寸得以加大，不受冲压成型工艺(模具、压机)尺寸的限制，经济地解决了换热器尺寸的问题，增大了产品的应用范围。
附图说明
构成本申请的一部分的说明书附图用来提供对本申请的进一步理解，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1示意性示出了本申请的换热器连接装置的立体图；
图2示意性示出了本申请的换热器连接装置的局部剖切开后的视图；
图3示意性示出了本申请的换热器连接装置的第一片体的立体图；
图4示意性示出了本申请的换热器连接装置的主视图；
图5示意性示出了图4的A-A剖视图；
图6示意性示出了本申请的换热器连接装置的侧视图；
图7示意性示出了本申请的换热器的立体图；
图8示意性示出了图7中的A区域的放大图。
其中，上述附图包括以下附图标记：
10、第一片体；20、第二片体；30、凸包；31、通孔；40、扁管；50、集流管。
具体实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。
需要注意的是，这里所使用的术语仅是为了描述具体实施方式，而非意图限制根据本申请的示例性实施方式。如在这里所使用的，除非上下文另外明确指出，否则单数形式也意图包括复数形式，此外，还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、操作、器件、组件和/或它们的组合。
参见图1至图8所示，根据本申请的实施例，提供了一种换热器，该换热器包括换热器连接装置、扁管40以及集流管50，扁管40端部与集流管50连接，沿换热器的长度方向延伸且相邻的两根扁管40通过换热器连接装置连接。该换热器连接装置包括第一片体10和第二片体20，第一片体10和第二片体20的长度方向上均设置有多个凸包30，凸包30上设置有用于与换热管配合的通孔31，第一片体10和第二片体20扣合固定在一起。
由于本实施例中的连接装置是通过第一片体10和第二片体20扣合固定在一起形成的，扣合之后，第一片体10和第二片体20上相对应的凸包30围设形成一个空腔，并通过凸包30上的通孔31实现扁管的连接。相对于现有技术中的连接装置而言，本实施例中连接装置能够降低制造成本和满足大批量生产的要求，经济性高，使得扁管微通道换热器的尺寸得以加大，不受冲压成型工艺(模具、压机)尺寸的限制，经济地解决了换热器尺寸的问题，增大了产品的应用范围。
换热器连接装置的第一片体10和第二片体20采用对称设计，能调整联接单元的数量，适应不同的客户需求和标准化设计。由第一片体10和第二片体20经过冲压形成的片体叠合而成，两个片体的结构相同，片体上被冲压出一定数量的凸包30，凸包30端面有通孔31，凸包30数量视扁管数量灵活增减，换热扁管插入凸包30端面的通孔31中，经钎焊后形成一个换热器整体。
实际设计时，本实施例中的第一片体10的背离凸包30的一面和第二片体20扣合固定在一起，便于与换热管进行连接。
本实施例中的凸包30的顶面为平面，通孔31设置在平面上，结构简单，便于加工，且便于实现换热器扁管的对接。优选地，本实施例中的通孔31为长条孔，该长条孔的长度方向与第一片体10和第二片体20的宽度方向一致，便于与扁管的端部匹配连接。当然，在本申请的其他实施例中，还可以将通孔31设置为圆孔或多边形孔等，只要是在本申请的构思下的其他变形方式，均在本申请的保护范围之内。
第一片体10和第二片体20上凸包30的结构和尺寸形同，且第一片体10和第二片体20的厚度均为1mm至2mm。第一片体10和第二片体20通过钎焊固定在一起。
优选地，本实施例中的多个凸包30间隔设置，且第一片体10上的凸包30的外周平面与第二片体20上的凸包30的外周平面钎焊贴合固定。两个片体的结合面经钎焊焊接后相互贴合，中部凸包自密封，前后扁管插入连接装置的通孔31中形成连接，功能因此得以实现。多 个凸包30形成的空腔彼此间不连通，使得上下扁管之间相互无串通，仅仅被连接的前后两支扁管相通，避免管束间串液和串气。
本实施例中的换热器连接装置沿凸包30的凸起方向的厚度小于10mm，该换热器连接装置对微通道换热器的风侧流通面积影响很小，对风阻和换热性能的影响很小。
凸包30为冲压凸包，通孔31为冲压通孔，便于加工，降低换热器连接装置的生产成本。
优选地，本实施例中的第一片体10和第二片体20均为铝片，铝片为长方体片状结构，换热效果好。可见，本实施例中的换热器连接装置为双面复合焊料的高强度铝板，连接装置随换热器芯体一起进炉，钎焊后成为一体，中部凸包能满足需满足2.0MPa-4.5MPa的使用压力和13.5MPa的测试压力，满足制冷领域换热器对耐压和爆破的要求。
当换热器为2.4m以下的尺寸的换热器时，使用1支换热器连接装置，对于2.4m以上，可以根据实际长度，增加连接装置的数量。
从以上的描述中，可以看出，本申请上述的实施例实现了如下技术效果：
本申请的连接装置能够使得成型扁管微通道换热器的尺寸得以加大，不受冲压成型工艺(模具、压机)尺寸的限制，经济地解决了尺寸的问题，增大了产品的应用范围；连接装置采用冲压工艺制作，能降低制造成本和满足大批量生产的要求，经济性高；连接装置的联接单元采用对称设计，能调整联接单元的数量，适应不同的客户需求和标准化设计；此外，连接装置的厚度小于10mm，连接装置对微通道换热器的风侧流通面积影响很小，对风阻和换热性能的影响很小。
以上所述仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (11)

  1. 一种换热器连接装置，其特征在于，包括第一片体(10)和第二片体(20)，所述第一片体(10)和所述第二片体(20)的长度方向上均设置有多个凸包(30)，所述凸包(30)上设置有与换热管相配合的通孔(31)，所述第一片体(10)和所述第二片体(20)扣合固定在一起。
  2. 根据权利要求1所述的换热器连接装置，其特征在于，所述凸包(30)的顶面为平面，所述通孔(31)设置在所述平面上。
  3. 根据权利要求1所述的换热器连接装置，其特征在于，所述通孔(31)为长条孔，所述长条孔的长度方向与所述第一片体(10)和所述第二片体(20)的宽度方向一致。
  4. 根据权利要求1所述的换热器连接装置，其特征在于，所述第一片体(10)和所述第二片体(20)上所述凸包(30)的结构和尺寸相同，且所述第一片体(10)和所述第二片体(20)的厚度均为1mm至2mm。
  5. 根据权利要求1所述的换热器连接装置，其特征在于，所述第一片体(10)和所述第二片体(20)通过钎焊固定在一起。
  6. 根据权利要求5所述的换热器连接装置，其特征在于，所述多个凸包(30)间隔设置，且所述第一片体(10)上的所述凸包(30)的外周平面与所述第二片体(20)上的所述凸包(30)的外周平面钎焊贴合固定，所述多个凸包(30)形成的空腔之间彼此不连通。
  7. 根据权利要求1所述的换热器连接装置，其特征在于，所述换热器连接装置沿所述凸包(30)的凸起方向的厚度小于10mm。
  8. 根据权利要求1所述的换热器连接装置，其特征在于，所述凸包(30)为冲压凸包，所述通孔(31)为冲压通孔。
  9. 根据权利要求1所述的换热器连接装置，其特征在于，所述第一片体(10)和所述第二片体(20)均为铝片，所述铝片为长方体片状结构。
  10. 一种换热器连接装置，其特征在于，包括第一片体(10)和第二片体(20)，所述第一片体(10)的长度方向上设置有多个凸包(30)，所述凸包(30)和所述第二片体(20)上设置有与换热管相配合的通孔(31)，所述第一片体(10)的背离所述凸包(30)的一面和所述第二片体(20)扣合固定在一起。
  11. 一种换热器，包括连接装置，其特征在于，所述连接装置为权利要求1至10中任一项所述的换热器连接装置。
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