WO2022253206A1 - 换热器 - Google Patents

换热器 Download PDF

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Publication number
WO2022253206A1
WO2022253206A1 PCT/CN2022/096133 CN2022096133W WO2022253206A1 WO 2022253206 A1 WO2022253206 A1 WO 2022253206A1 CN 2022096133 W CN2022096133 W CN 2022096133W WO 2022253206 A1 WO2022253206 A1 WO 2022253206A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
joint
flat
flat tube
flat tubes
Prior art date
Application number
PCT/CN2022/096133
Other languages
English (en)
French (fr)
Inventor
冯忠波
Original Assignee
浙江盾安人工环境股份有限公司
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
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 JP2023563199A priority Critical patent/JP2024519278A/ja
Priority to KR1020237044917A priority patent/KR20240013803A/ko
Priority to EP22815251.8A priority patent/EP4354068A1/en
Publication of WO2022253206A1 publication Critical patent/WO2022253206A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
    • F28D1/0478—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag the conduits having a non-circular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—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
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/025—Tubular elements of cross-section which is non-circular with variable shape, e.g. with modified tube ends, with different geometrical features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—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
    • F28F1/32—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 having portions engaging further tubular elements
    • F28F1/325—Fins with openings
    • 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
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of 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
    • 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

Definitions

  • the present application relates to the technical field of heat exchangers, in particular, to a heat exchanger.
  • the microchannel heat exchangers in the prior art generally include flat tubes, inlet headers, and outlet headers. There are multiple flat tubes, and the multiple flat tubes are arranged at intervals. The headers are connected, and the outlet ends of the multiple flat tubes are all connected with the outlet headers.
  • the main purpose of the present application is to provide a heat exchanger to solve the technical problem of complicated manufacture and installation of the header of the heat exchanger in the prior art.
  • the present application provides a heat exchanger, including: a heat exchange tube group, the heat exchange tube group includes flat tubes and connecting joints, the flat tubes include a first straight tube section, a bent tube section and a second flat tube section
  • the straight pipe section, the first straight pipe section, the bent pipe section and the second straight pipe section are sequentially connected to form a U-shaped pipe structure; there are multiple flat pipes, and the multiple flat pipes are arranged at intervals, and pass between two adjacent flat pipes The connectors are connected.
  • connection joint has a first connection port and a second connection port that communicate with each other, the first connection port is connected to the first straight pipe section, the second connection port is connected to the second straight pipe section, and the connection joint is a U-shaped joint.
  • the first connection port and the second connection port are respectively located at two ends of the U-shaped joint.
  • a plurality of flat tubes are evenly distributed in rows to form a flat tube group structure
  • the flat tube group structure includes a plurality of flat tube rows arranged at intervals along the first preset direction
  • the flat tube row includes a plurality of flat tube rows arranged along the second preset direction.
  • the flat tubes arranged at intervals in the direction, the first preset direction and the second preset direction are set at a predetermined angle; wherein, connecting joints are arranged between two adjacent flat tubes in each row of flat tubes, and two adjacent flat tubes Connecting joints are arranged between the rows, so that the flat tubes in each row of flat tubes are communicated with the adjacent flat tube rows after being connected.
  • the connecting joint includes: a first connecting joint, arranged between two adjacent flat tubes of each flat tube row, the first connecting port of the first connecting joint and the second connecting port of the first connecting joint are located at the second Interval setting in preset direction.
  • the connecting joint includes: a second connecting joint disposed between two adjacent flat tube rows, the first connecting port of the second connecting joint and the second connecting port of the second connecting joint are aligned in a first predetermined direction interval setting.
  • each row of flat tubes is arranged in a staggered position, and the first connection port of the second connection joint and the second connection port of the second connection joint are arranged at intervals in the second predetermined direction.
  • the heat exchanger also includes: fins, on which there are multiple sets of clamping parts, and the multiple sets of clamping parts are arranged in one-to-one correspondence with the plurality of flat tube rows, and each set of clamping parts is clamped on the corresponding flat tube row. Tube line up.
  • the flat tube group structure includes two rows of flat tubes arranged at intervals, and the multiple sets of clamping parts include a plurality of first clamping opening slots spaced apart along the second preset direction and a plurality of first clamping opening slots spaced apart along the second preset direction.
  • the second clamping opening slot provided, the first clamping opening slot and the second clamping opening slot are respectively located on both sides of the fin, and the opening direction of the first clamping opening slot is opposite to the opening direction of the second clamping opening slot .
  • the spacing between two adjacent flat tube rows is Wp, 15 ⁇ Wp ⁇ 65; and/or, the spacing between two adjacent flat tubes in each flat tube row is Lp, 6.5 ⁇ Lp ⁇ 35.
  • the multiple heat exchange tube groups are arranged at intervals.
  • the multiple heat exchange tube groups respectively have inlet pipes and outlet pipes.
  • the heat exchanger also includes an inlet distribution head, and the inlet pipe communicates with the inlet distribution head. .
  • the heat exchanger also includes an outlet header, and the outlet pipe communicates with the outlet header.
  • the heat exchanger further includes: fins installed on a plurality of heat exchange tube groups; wherein, the fins are in a strip structure, and the plurality of heat exchange tube groups are arranged at intervals along the extending direction of the fins.
  • a connection joint is provided between two adjacent flat pipes, and the first connection port is connected to the first straight pipe section of one flat pipe, and the second connection port is connected to the other flat pipe.
  • the second straight pipe section is connected, so that a plurality of flat pipes can be conveniently connected to each other.
  • only an inlet pipe and an outlet pipe are required to be respectively arranged on the two flat pipes at the end, and the collecting pipe is omitted.
  • the process is simplified. Therefore, adopting the technical solution provided by the present application can solve the complicated technical problem of making and installing the header of the heat exchanger in the prior art.
  • Fig. 1 shows a schematic structural view of a flat tube provided according to an embodiment of the present application
  • Figure 2 shows a front view of a flat tube provided according to an embodiment of the present application
  • Figure 3 shows a top view of a flat tube provided according to an embodiment of the present application
  • Figure 4 shows a left side view of a flat tube provided according to an embodiment of the present application
  • Fig. 5 shows a schematic structural diagram of a fin provided according to an embodiment of the present application
  • Fig. 6 shows a schematic structural diagram of a first connecting joint provided according to an embodiment of the present application
  • Fig. 7 shows a schematic structural diagram of a second connecting joint provided according to an embodiment of the present application.
  • Fig. 8 shows a schematic diagram of fluid flow in a heat exchanger according to an embodiment of the present application
  • Fig. 9 shows a schematic diagram of the flow path in the heat exchange flat tube group provided according to an embodiment of the present application.
  • Figure 10 shows a front view of a heat exchanger provided according to an embodiment of the present application.
  • Figure 11 shows a top view of a heat exchanger provided according to an embodiment of the present application.
  • Figure 12 shows a left side view of a heat exchanger provided according to an embodiment of the present application.
  • Figure 13 shows a right side view of a heat exchanger provided according to an embodiment of the present application.
  • Fig. 14 shows an exploded view of a partial structure of a heat exchanger provided according to an embodiment of the present application
  • Fig. 15 shows a schematic structural view of a heat exchanger provided with fins at both ends according to an embodiment of the present application
  • Fig. 16 shows a schematic structural diagram of a heat exchanger provided according to an embodiment of the present application.
  • Heat exchange tube group 11. Flat tube; 12. Connecting joint; 121. First connecting joint; 122. Second connecting joint; 20. Fin; 21. First clamping opening slot; 22. Second clamping 30, side plate; 40, outlet header; 50, connecting pipe; 60, inlet distribution head.
  • a heat exchanger As shown in Figures 1 to 16, a heat exchanger is provided, the heat exchanger includes a heat exchange tube group 10, the heat exchange tube group 10 includes a flat tube 11 and a connecting joint 12, the flat tube 11 includes a first straight The pipe section, the bent pipe section and the second straight pipe section, the first straight pipe section, the bent pipe section and the second straight pipe section are sequentially connected to form a U-shaped pipe structure. There are a plurality of flat tubes 11 , and the plurality of flat tubes 11 are arranged at intervals, and two adjacent flat tubes 11 are connected through connecting joints 12 .
  • a connecting joint 12 is provided between two adjacent flat tubes 11, and the first connecting port is connected to the first flat pipe section of one flat tube 11, and the second connecting port is connected to the other flat tube.
  • the second straight pipe section of the pipe 11 is connected, so that a plurality of flat pipes 11 can be connected and arranged conveniently.
  • only two flat pipes 11 at the ends need to be provided with an inlet pipe and an outlet pipe respectively, which simplifies Fabrication and installation of inlet and outlet headers 40. Therefore, adopting the heat exchanger provided by the present application can solve the complicated technical problem of making and installing the header of the heat exchanger in the prior art.
  • connection joint 12 in this embodiment has a first connection port and a second connection port that communicate with each other, the first connection port is connected to the first straight pipe section, the second connection port is connected to the second straight pipe section, and
  • the joint 12 is a U-shaped joint, and the first connecting port and the second connecting port are respectively located at two ends of the U-shaped joint.
  • the flat tube 11 is set as a U-shaped tube structure
  • the connecting joint 12 is set as a U-shaped joint.
  • the heat exchange tube group 10 can be in a bent structure as a whole, so that the fluid can be fully exchanged. hot.
  • the plurality of flat tubes 11 in this embodiment are evenly distributed in rows to form a flat tube group structure
  • the flat tube group structure includes a plurality of flat tube rows arranged at intervals along the first preset direction
  • the flat tube row includes multiple Two flat tubes 11 are arranged at intervals along a second preset direction, and the first preset direction and the second preset direction are arranged at a predetermined angle.
  • a connecting joint 12 is arranged between two adjacent flat tubes 11 in each row of flat tubes, and a connecting joint 12 is arranged between two adjacent flat tubes, so that the flat tubes 11 in each row of flat tubes After being connected, it is connected with the adjacent flat tube row.
  • the flat tubes 11 in each row of flat tubes can be connected, and multiple rows of flat tubes can be connected to each other, so as to reduce the size of the flat tube group structure in the length direction and optimize the structural layout of the flat tube group structure. , improve the arrangement compactness of the flat tube group structure.
  • the connecting joint 12 includes a first connecting joint 121, the first connecting joint 121 is arranged between two adjacent flat tubes 11 of each flat tube row, the first connecting port of the first connecting joint 121 and the first connecting port of the first connecting joint 121
  • the second connection ports of a connection joint 121 are arranged at intervals in a second predetermined direction. Adopting such a structural arrangement can facilitate better communication between two adjacent flat tubes 11 of each flat tube row, so that multiple flat tubes 11 in each flat tube row are all connected.
  • connection joint 12 in this embodiment includes a second connection joint 122, the second connection joint 122 is arranged between two adjacent flat tube rows, the first connection port of the second connection joint 122 and the second connection joint
  • the second connection ports of 122 are arranged at intervals in the first preset direction.
  • each row of flat tubes 11 is arranged in a staggered position, and the first connection port of the second connection joint 122 and the second connection port of the second connection joint 122 are arranged at intervals in the second predetermined direction. Adopting such a structural arrangement can facilitate the formation of a multi-row heat exchanger structure arranged in staggered layers, optimize the structural layout of the heat exchanger, and optimize the heat exchange performance.
  • the heat exchanger in this embodiment also includes fins 20, on which there are multiple sets of clamping parts, and the multiple sets of clamping parts are arranged in one-to-one correspondence with a plurality of flat tube rows, and each set of clamping parts The part is clamped on the corresponding flat tube row.
  • fins 20 on which there are multiple sets of clamping parts, and the multiple sets of clamping parts are arranged in one-to-one correspondence with a plurality of flat tube rows, and each set of clamping parts The part is clamped on the corresponding flat tube row.
  • the flat tube group structure in this embodiment may include two rows of flat tubes arranged at intervals, and the multiple sets of clamping parts include a plurality of first clamping opening slots 21 arranged at intervals along the second preset direction and a plurality of The second clamping opening grooves 22 arranged at intervals along the second preset direction, the first clamping opening groove 21 and the second clamping opening groove 22 are respectively located on both sides of the fin 20 , the opening of the first clamping opening groove 21 The direction is opposite to the opening direction of the second locking slot 22 . Adopting such a structural setting can optimize the structural layout, facilitate the installation of two rows of flat tube rows, and facilitate the formation of a double-row heat exchanger structure arranged in staggered layers.
  • the distance between two adjacent flat tube rows is Wp, 15 ⁇ Wp ⁇ 65.
  • the distance between two adjacent flat tubes 11 in each row of flat tubes is Lp, 6.5 ⁇ Wp ⁇ 35.
  • the distance between two adjacent flat tube rows may be Wp, 15 ⁇ Wp ⁇ 65; the distance between two adjacent flat tubes 11 in each row of flat tubes may be Lp, 6.5 ⁇ Wp ⁇ 35.
  • the distance between two adjacent flat tube rows in this embodiment is Wp, 15 ⁇ Wp ⁇ 65, when the distance of Wp is too small, specifically, when Wp is less than 15, the distance between two adjacent flat tubes If the distance between the rows is too small, it is not convenient for effective heat exchange.
  • Wp the distance between Wp is too large, specifically, when Wp is greater than 65, the distance between two adjacent flat tube rows is too large, which will cause a certain degree of heat loss. Therefore, by setting Wp within the above range, efficient heat exchange can be facilitated and heat loss can be reduced.
  • the distance between two adjacent flat tubes 11 in each flat tube row is Lp, 6.5 ⁇ Lp ⁇ 35.
  • Lp the distance between two adjacent flat tubes 11 in each flat tube row.
  • the distance of Lp is too small, specifically, when Lp is less than 6.5, the distance between two adjacent flat tubes 11 is too small, which is not convenient for effective heat exchange.
  • the distance of Lp is too large, specifically, when Lp is greater than 35, the distance between two adjacent flat tubes 11 is too large, which will cause greater heat loss. Therefore, by setting Lp within the above range, effective heat exchange can be facilitated and heat loss can be reduced.
  • each heat exchange tube group 10 is provided with an inlet pipe and an outlet pipe, and the heat exchanger also includes inlet distribution Head 60, the inlet pipe communicates with the inlet distribution head 60.
  • a plurality of heat exchange tube groups 10 can form a plurality of independent heat exchange modules, so as to perform independent heat exchange.
  • an inlet distribution head 60 is provided at the inlet pipe to facilitate the distribution of the fluid.
  • Both the inlet pipe and the outlet pipe are provided with connecting pipes 50 so as to be connected through the connecting pipes 50 .
  • the heat exchanger further includes fins 20 installed on a plurality of heat exchange tube groups 10; wherein, the fins 20 are strip-shaped structures, and the plurality of heat exchange tube groups 10 are arranged along the extending direction of the fins 20 interval setting. Adopting such a structural arrangement can facilitate optimization of the structural layout and facilitate disassembly and assembly. There are a plurality of fins 20, and the plurality of fins 20 are sequentially inserted.
  • each heat exchange tube group 10 in this embodiment includes two rows of flat tube rows, and the two rows of flat tube rows are arranged at intervals along the direction perpendicular to the fins 20 , and each row of flat tubes in each heat exchange tube group 10 Rows are set relative to each other. Adopting such a structural arrangement can facilitate the optimization of the overall structural layout of the heat exchanger, and improve the compactness and structural stability of the layout of the heat exchange tube group 10 .
  • the heat exchanger further includes an outlet header 40, and the outlet pipes of the plurality of heat exchange tube groups 10 are all communicated with the outlet header 40, so as to collect the liquid at the plurality of outlet pipes.
  • the heat exchanger in this embodiment includes flat tubes 11 bent into a U shape, fins 20 slotted on both sides, connecting joints 12 (the first connecting joint 121 is used to connect the same row of flat tubes 11, the second connecting joint 122 is used for connecting across row flat pipe 11).
  • the U-shaped flat tube 11 in this embodiment is formed by bending, the structure process is simple, and the finished product has high precision, which can ensure the assembly of the flat tube 11 and the fins 20, and is suitable for a split-layer double-row insert-fin heat exchanger with a simple structure , less parts, good chip integrity and good reliability.
  • the heat exchanger in this embodiment further includes side plates 30 , the structure of which is similar to that of the fins 20 , and the side plates 30 are also grooved on both sides.
  • orientation words such as “front, back, up, down, left, right", “horizontal, vertical, vertical, horizontal” and “top, bottom” etc. indicate the orientation Or positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description. In the absence of a contrary statement, these orientation words do not indicate or imply the device or element referred to It must have a specific orientation or be constructed and operated in a specific orientation, so it should not be construed as limiting the protection scope of the present application; the orientation words “inner and outer” refer to the inner and outer relative to the outline of each component itself.
  • spatially relative terms may be used here, such as “on !, “over !, “on the surface of !, “above”, etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as “above” or “above” other devices or configurations would then be oriented “beneath” or “above” the other devices or configurations. under other devices or configurations”. Thus, the exemplary term “above” can encompass both an orientation of “above” and “beneath”. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

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

Abstract

本申请提供了一种换热器，包括：换热管组，换热管组包括扁管和连接接头，扁管包括第一平直管段、折弯管段和第二平直管段，第一平直管段、折弯管段和第二平直管段依次连接以形成U形管结构；扁管为多个，多个扁管间隔设置，相邻两个扁管之间设置有连接接头；其中，连接接头具有相互连通的第一连接口和第二连接口，第一连接口与第一平直管段连接，第二连接口与第二平直管段连接，连接接头为U形接头，第一连接口和第二连接口分别位于U形接头的两端。通过本申请提供的技术方案，能够解决现有技术中的换热器的集流管的制作和安装复杂的技术问题。

Description

换热器
本申请要求于2021年05月31日提交至中国国家知识产权局、申请号为202121202521.7、申请名称为“换热器”的专利申请的优先权。
技术领域
本申请涉及换热器技术领域，具体而言，涉及一种换热器。
背景技术
目前，现有技术中的微通道换热器一般包括扁管、进口集流管和出口集流管，扁管为多个，多个扁管间隔设置，多个扁管的进口端均与进口集流管连通，多个扁管的出口端均与出口集流管连通。采用上述结构时，一般需要在进口集流管和出口集流管上均设置有多个连接部，多个连接部分别于进口集流管和出口集流管连通，以便于形成完整的换热器结构。
然而，上述微通道换热器在生产制作时，由于需要在进口集流管和出口集流管上均设置有多个连接部，使得进口集流管和出口集流管的制作工艺复杂，且给安装带来了一定的难度。
实用新型内容
本申请的主要目的在于提供一种换热器，以解决现有技术中的换热器的集流管的制作和安装复杂的技术问题。
为了实现上述目的，本申请提供了一种换热器，包括：换热管组，换热管组包括扁管和连接接头，扁管包括第一平直管段、折弯管段和第二平直管段，第一平直管段、折弯管段和第二平直管段依次连接以形成U形管结构；扁管为多个，多个扁管间隔设置，相邻两个扁管之间通过连接接头连通。
进一步地，连接接头具有相互连通的第一连接口和第二连接口，第一连接口与第一平直管段连接，第二连接口与第二平直管段连接，连接接头为U形接头，第一连接口和第二连接口分别位于U形接头的两端。
进一步地，多个扁管呈排状均布以形成扁管组结构，扁管组结构包括多个沿第一预设方向间隔设置的扁管排，扁管排包括多个沿第二预设方向间隔设置的扁管，第一预设方向与第二预设方向呈预定角度设置；其中，各排扁管排内相邻两个扁管之间设置有连接接头，相邻两个扁管排之间设置有连接接头，以使各排扁管排内的扁管连通后与相邻的扁管排连通。
进一步地，连接接头包括：第一连接接头，设置在各个扁管排的相邻两个扁管之间，第一连接接头的第一连接口和第一连接接头的第二连接口在第二预设方向上间隔设置。
进一步地，连接接头包括：第二连接接头，设置在相邻两个扁管排之间，第二连接接头的第一连接口和第二连接接头的第二连接口在第一预设方向上间隔设置。
进一步地，各排扁管错位设置，第二连接接头的第一连接口和第二连接接头的第二连接口在第二预设方向上间隔设置。
进一步地，换热器还包括：翅片，翅片上设置有多组卡接部，多组卡接部与多个扁管排一一对应地设置，各组卡接部卡设在相应的扁管排上。
进一步地，扁管组结构包括间隔设置的两排扁管排，多组卡接部包括多个沿第二预设方向间隔设置的第一卡接开口槽和多个沿第二预设方向间隔设置的第二卡接开口槽，第一卡接开口槽和第二卡接开口槽分别位于翅片的两侧，第一卡接开口槽的开口方向与第二卡接开口槽的开口方向相反。
进一步地，相邻两个扁管排之间的间距为Wp，15≤Wp≤65；和/或，各排扁管排内的相邻两个扁管之间的间距为Lp，6.5≤Lp≤35。
进一步地，换热管组为多个，多个换热管组间隔设置，多个换热管组分别具有进口管和出口管，换热器还包括入口分配头，进口管与入口分配头连通。
进一步地，换热器还包括出口集流管，出口管与出口集流管连通。
进一步地，换热器还包括：翅片，安装在多个换热管组上；其中，翅片为条形结构，多个换热管组沿翅片的延伸方向间隔设置。
应用本申请的技术方案，通过在相邻两个扁管之间设置有连接接头，并使第一连接口与一个扁管的第一平直管段连接，第二连接口与另一个扁管的第二平直管段连接，这样，能够便于使得多个扁管连通设置，这样，只需要在端部的两个扁管分别设置有一个进口管和出口管即可，省去了集流管，简化了工艺。因此，采用本申请提供的技术方案，能够解决现有技术中的换热器的集流管的制作和安装复杂的技术问题。
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示出了根据本申请的实施例提供的扁管的结构示意图；
图2示出了根据本申请的实施例提供的扁管的主视图；
图3示出了根据本申请的实施例提供的扁管的俯视图；
图4示出了根据本申请的实施例提供的扁管的左视图；
图5示出了根据本申请的实施例提供的翅片的结构示意图；
图6示出了根据本申请的实施例提供的第一连接接头的结构示意图；
图7示出了根据本申请的实施例提供的第二连接接头的结构示意图；
图8示出了根据本申请的实施例提供的换热器内流体流向示意图；
图9示出了根据本申请的实施例提供的换热扁管组内的流路示意图；
图10示出了根据本申请的实施例提供的换热器的主视图；
图11示出了根据本申请的实施例提供的换热器的俯视图；
图12示出了根据本申请的实施例提供的换热器的左视图；
图13示出了根据本申请的实施例提供的换热器的右视图；
图14示出了根据本申请的实施例提供的换热器的部分结构的爆炸图；
图15示出了根据本申请的实施例提供的换热器的两端设置有翅片的结构示意图；
图16示出了根据本申请的实施例提供的换热器的结构示意图。
其中，上述附图包括以下附图标记：
10、换热管组；11、扁管；12、连接接头；121、第一连接接头；122、第二连接接头；20、翅片；21、第一卡接开口槽；22、第二卡接开口槽；30、边板；40、出口集流管；50、接管；60、入口分配头。
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。
如图1至图16所示，提供了一种换热器，该换热器包括换热管组10，换热管组10包括扁管11和连接接头12，扁管11包括第一平直管段、折弯管段和第二平直管段，第一平直管段、折弯管段和第二平直管段依次连接以形成U形管结构。扁管11为多个，多个扁管11间隔设置，相邻两个扁管11之间通过连接接头12连通。
采用这样的结构设置，通过在相邻两个扁管11之间设置有连接接头12，并使第一连接口与一个扁管11的第一平直管段连接，第二连接口与另一个扁管11的第二平直管段连接，这样，能够便于使得多个扁管11连通设置，这样，只需要在端部的两个扁管11分别设置有一个进口管和出口管即可，简化了进口集流管和出口集流管40的制作和安装。因此，采用本申请提供的换热器，能够解决现有技术中的换热器的集流管的制作和安装复杂的技术问题。
具体的，本实施例中的连接接头12具有相互连通的第一连接口和第二连接口，第一连接口与第一平直管段连接，第二连接口与第二平直管段连接，连接接头12为U形接头，第一连 接口和第二连接口分别位于U形接头的两端。采用这样的结构设置，通过将扁管11设置为U形管结构，连接接头12设置为U形接头，这样，能够使得换热管组10整体呈折弯形结构，以便于使流体进行充分换热。
具体的，本实施例中的多个扁管11呈排状均布以形成扁管组结构，扁管组结构包括多个沿第一预设方向间隔设置的扁管排，扁管排包括多个沿第二预设方向间隔设置的扁管11，第一预设方向与第二预设方向呈预定角度设置。其中，各排扁管排内相邻两个扁管11之间设置有连接接头12，相邻两个扁管排之间设置有连接接头12，以使各排扁管排内的扁管11连通后与相邻的扁管排连通。采用这样的结构设置，能够使得每排扁管排内的扁管11连通，多排扁管排均连通设置，以减小扁管组结构的长度方向的尺寸，优化扁管组结构的结构布局，提高扁管组结构的设置紧凑性。
在本实施例中，连接接头12包括第一连接接头121，第一连接接头121设置在各个扁管排的相邻两个扁管11之间，第一连接接头121的第一连接口和第一连接接头121的第二连接口在第二预设方向上间隔设置。采用这样的结构设置，能够便于更好地将各个扁管排的相邻两个扁管11连通，以使各个扁管排内的多个扁管11均连通。
具体的，本实施例中的连接接头12包括第二连接接头122，第二连接接头122设置在相邻两个扁管排之间，第二连接接头122的第一连接口和第二连接接头122的第二连接口在第一预设方向上间隔设置。采用这样地结构设置，能够比那与更好地将相邻两个扁管排地扁管11连通，以使多个扁管排均连通设置。
在本实施例中，各排扁管11错位设置，第二连接接头122的第一连接口和第二连接接头122的第二连接口在第二预设方向上间隔设置。采用这样的结构设置，能够便于形成错层布置的多排换热器结构，优化换热器的结构布局，优化换热性能。
具体的，本实施例中的换热器还包括翅片20，翅片20上设置有多组卡接部，多组卡接部与多个扁管排一一对应地设置，各组卡接部卡设在相应的扁管排上。采用这样的结构设置，通过设置卡接部进行卡设能够便于进行拆装。
优选的，本实施例中的扁管组结构可以包括间隔设置的两排扁管排，多组卡接部包括多个沿第二预设方向间隔设置的第一卡接开口槽21和多个沿第二预设方向间隔设置的第二卡接开口槽22，第一卡接开口槽21和第二卡接开口槽22分别位于翅片20的两侧，第一卡接开口槽21的开口方向与第二卡接开口槽22的开口方向相反。采用这样的结构设置，能够优化结构布局，便于对两排扁管排进行安装，便于形成错层布置的双排换热器结构。
具体的，相邻两个扁管排之间的间距为Wp，15≤Wp≤65。或者，各排扁管排内的相邻两个扁管11之间的间距为Lp，6.5≤Wp≤35。或者，相邻两个扁管排之间的间距可以为Wp，15≤Wp≤65；各排扁管排内的相邻两个扁管11之间的间距为Lp，6.5≤Wp≤35。
优选的，本实施例中的相邻两个扁管排之间的间距为Wp，15≤Wp≤65，当Wp的距离过小时，具体的，当Wp小于15时，相邻两个扁管排之间的距离过小，不便于进行有效换热。 当Wp的距离过大时，具体的，当Wp大于65时，相邻两个扁管排之间的距离过大，会造成一定程度的热损失。因此，通过将Wp设置在上述范围内，能够便于进行有效换热，并减小热损失。
优选的，各排扁管排内的相邻两个扁管11之间的间距为Lp，6.5≤Lp≤35。当Lp的距离过小时，具体的，当Lp小于6.5时，相邻两个扁管11之间的距离过小，不便于进行有效换热。当Lp的距离过大时，具体的，当Lp大于35时，相邻两个扁管11之间的距离过大，会造成较大的热损失。因此，通过将Lp设置在上述范围内，能够便于进行有效换热，并减小热损失。
具体的，本实施例中的换热管组10为多个，多个换热管组10间隔设置，每个换热管组10均设有进口管和出口管，换热器还包括入口分配头60，进口管与入口分配头60连通。采用这样的结构设置，多个换热管组10能够形成多个独立的换热模块，以便于进行独立换热。具体的，通过在进口管处还设置有入口分配头60，以便于对流体进行分配。进口管和出口管上均设置有接管50，以便于通过接管50进行连接。
在本实施例中，换热器还包括翅片20，安装在多个换热管组10上；其中，翅片20为条形结构，多个换热管组10沿翅片20的延伸方向间隔设置。采用这样的结构设置，能够便于优化结构布局，便于进行拆装。翅片20为多个，多个翅片20依次进行插设。
具体的，本实施例中的每个换热管组10均包括两排扁管排，两排扁管排沿垂直于翅片20的方向间隔设置，各个换热管组10的各排扁管排均相对设置。采用这样的结构设置，能够便于优化换热器的整体结构布局，提高换热管组10布局的紧凑性和结构稳定性。
在本实施例中，换热器还包括出口集流管40，多个换热管组10的出口管均与出口集流管40连通，以便于进行收集多个出口管处的液体。
本实施例中的换热器包括折弯成U形的扁管11、两侧开槽的翅片20、连接接头12(第一连接接头121用于连接同排扁管11，第二连接接头122用于连接跨排扁管11)。本实施例中的U形扁管11通过折弯成型，结构工艺简单，成品精度高，能够保证扁管11和翅片20的装配，适用于错层双排插片式换热器，结构简单，部件少，芯片整体性好、可靠性好。
本实施例中的换热器还包括边板30，边板30的结构与翅片20的结构类似，边板30也为两侧开槽结构。
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：整体性好、可靠性好，结构简单，方便拆装。
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。
除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本申请的范围。同时，应当明白，为了便于描述，附图中所示出的各个部分的尺寸并不是按照实际的比例关系绘制的。对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为授权说明书的一部分。在这里示出和讨论的所有示例中，任何具体值应被解释为仅仅是示例性的，而不是作为限制。因此，示例性实施例的其它示例可以具有不同的值。应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。
在本申请的描述中，需要理解的是，方位词如“前、后、上、下、左、右”、“横向、竖向、垂直、水平”和“顶、底”等所指示的方位或位置关系通常是基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，在未作相反说明的情况下，这些方位词并不指示和暗示所指的装置或元件必须具有特定的方位或者以特定的方位构造和操作，因此不能理解为对本申请保护范围的限制；方位词“内、外”是指相对于各部件本身的轮廓的内外。
为了便于描述，在这里可以使用空间相对术语，如“在……之上”、“在……上方”、“在……上表面”、“上面的”等，用来描述如在图中所示的一个器件或特征与其他器件或特征的空间位置关系。应当理解的是，空间相对术语旨在包含除了器件在图中所描述的方位之外的在使用或操作中的不同方位。例如，如果附图中的器件被倒置，则描述为“在其他器件或构造上方”或“在其他器件或构造之上”的器件之后将被定位为“在其他器件或构造下方”或“在其他器件或构造之下”。因而，示例性术语“在……上方”可以包括“在……上方”和“在……下方”两种方位。该器件也可以其他不同方式定位(旋转90度或处于其他方位)，并且对这里所使用的空间相对描述作出相应解释。
此外，需要说明的是，使用“第一”、“第二”等词语来限定零部件，仅仅是为了便于对相应零部件进行区别，如没有另行声明，上述词语并没有特殊含义，因此不能理解为对本申请保护范围的限制。
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，其特征在于，包括：
    换热管组(10)，所述换热管组(10)包括扁管(11)和连接接头(12)，所述扁管(11)包括第一平直管段、折弯管段和第二平直管段，所述第一平直管段、所述折弯管段和所述第二平直管段依次连接以形成U形管结构；所述扁管(11)为多个，多个所述扁管(11)间隔设置，相邻两个所述扁管(11)通过所述连接接头(12)连通。
  2. 根据权利要求1所述的换热器，其特征在于，所述连接接头(12)具有相互连通的第一连接口和第二连接口，所述第一连接口与所述第一平直管段连接，所述第二连接口与所述第二平直管段连接，所述连接接头(12)为U形接头，所述第一连接口和所述第二连接口分别位于所述U形接头的两端。
  3. 根据权利要求1所述的换热器，其特征在于，多个所述扁管(11)呈排状均布以形成扁管组结构，所述扁管组结构包括多个沿第一预设方向间隔设置的扁管排，所述扁管排包括多个沿第二预设方向间隔设置的扁管(11)，所述第一预设方向与所述第二预设方向呈预定角度设置；
    其中，各排所述扁管排内相邻两个所述扁管(11)之间设置有所述连接接头(12)，相邻两个所述扁管排之间设置有所述连接接头(12)，以使各排所述扁管排内的扁管(11)连通后与相邻的所述扁管排连通。
  4. 根据权利要求3所述的换热器，其特征在于，所述连接接头(12)包括：
    第一连接接头(121)，设置在各个所述扁管排的相邻两个所述扁管(11)之间，所述第一连接接头(121)的第一连接口和所述第一连接接头(121)的第二连接口在所述第二预设方向上间隔设置。
  5. 根据权利要求3所述的换热器，其特征在于，所述连接接头(12)包括：
    第二连接接头(122)，设置在相邻两个所述扁管排之间，所述第二连接接头(122)的第一连接口和所述第二连接接头(122)的第二连接口在第一预设方向上间隔设置。
  6. 根据权利要求5所述的换热器，其特征在于，各排所述扁管(11)错位设置，所述第二连接接头(122)的第一连接口和所述第二连接接头(122)的第二连接口在第二预设方向上间隔设置。
  7. 根据权利要求3所述的换热器，其特征在于，所述换热器还包括：
    翅片(20)，所述翅片(20)上设置有多组卡接部，多组所述卡接部与多个所述扁管排一一对应地设置，各组所述卡接部卡设在相应的所述扁管排上。
  8. 根据权利要求7所述的换热器，其特征在于，所述扁管组结构包括间隔设置的两排所述扁管排，多组所述卡接部包括多个沿所述第二预设方向间隔设置的第一卡接开口槽(21)和多个沿所述第二预设方向间隔设置的第二卡接开口槽(22)，所述第一卡接开口槽(21) 和所述第二卡接开口槽(22)分别位于所述翅片(20)的两侧，所述第一卡接开口槽(21)的开口方向与所述第二卡接开口槽(22)的开口方向相反。
  9. 根据权利要求3至8中任一项所述的换热器，其特征在于，
    相邻两个所述扁管排之间的间距为Wp，15≤Wp≤65；和/或，
    各排所述扁管排内的相邻两个所述扁管(11)之间的间距为Lp，6.5≤Lp≤35。
  10. 根据权利要求1所述的换热器，其特征在于，所述换热管组(10)为多个，多个所述换热管组(10)间隔设置，多个所述换热管组(10)分别具有进口管和出口管，所述换热器还包括入口分配头(60)，所述进口管与所述入口分配头(60)连通。
  11. 根据权利要求10所述的换热器，其特征在于，所述换热器还包括出口集流管(40)，所述出口管与所述出口集流管(40)连通。
PCT/CN2022/096133 2021-05-31 2022-05-31 换热器 WO2022253206A1 (zh)

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