WO2018095153A1 - 换热器及空调器 - Google Patents

换热器及空调器 Download PDF

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Publication number
WO2018095153A1
WO2018095153A1 PCT/CN2017/105784 CN2017105784W WO2018095153A1 WO 2018095153 A1 WO2018095153 A1 WO 2018095153A1 CN 2017105784 W CN2017105784 W CN 2017105784W WO 2018095153 A1 WO2018095153 A1 WO 2018095153A1
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Prior art keywords
heat exchange
heat exchanger
pipe
heat
inner cavity
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PCT/CN2017/105784
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English (en)
French (fr)
Inventor
吴�灿
于宗伟
袁辉强
区焯荣
劳继杨
Original Assignee
珠海格力电器股份有限公司
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Publication of WO2018095153A1 publication Critical patent/WO2018095153A1/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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
    • F28D7/1653—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having a square or rectangular shape
    • 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
    • F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular 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
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
    • 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
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles

Definitions

  • the invention relates to the field of air conditioning, and in particular to a heat exchanger and an air conditioner.
  • a heat exchanger is a device that achieves heat exchange between different media.
  • the current heat exchangers mainly include shell-and-tube heat exchangers, coil-type heat exchangers, shell-and-disk heat exchangers, fin-type heat exchangers, and microchannel heat exchangers.
  • Shell-and-tube heat exchangers, coil-type heat exchangers, and shell-and-disk heat exchangers are mainly used in air-conditioning water-cooling systems
  • fin-type heat exchangers and micro-channel heat exchangers are mainly used in air-conditioning air-cooling systems.
  • Each heat exchanger has its own advantages and disadvantages.
  • Shell-and-tube heat exchangers have high heat exchange efficiency and obvious heat transfer effect, but they are large in size and occupy a large space, which is difficult to handle.
  • the coil heat exchanger has a small volume and a small footprint, but has large water resistance and is difficult to handle.
  • the shell-and-disk heat exchanger has the advantages of small volume, small footprint, easy loading and unloading, etc., but the manufacturing cost is high and the heat exchange efficiency is low.
  • the fin heat exchanger and the microchannel heat exchanger have high heat exchange efficiency, but the volume is large and the manufacturing cost is high.
  • the present invention aims to provide a heat exchanger and an air conditioner capable of improving heat exchange efficiency.
  • the invention provides a heat exchanger comprising a casing and a heat exchange pipe, the casing having a first inner cavity and a first inlet and a first outlet communicating with the first inner cavity, wherein the heat exchange pipe is located in the first inner cavity a cavity having a second inlet and a second outlet penetrating to the outside of the casing;
  • the heat exchange pipe includes a liquid inlet pipe, a liquid outlet pipe and a plurality of heat exchange pipes, each of the heat exchange tubes having a liquid inlet and a liquid inlet a second inner chamber communicating with the liquid outlet and a plurality of heat exchange holes communicating with the first inner chamber.
  • the heat exchange holes are rhombic holes, and the plurality of rhombic holes are sequentially arranged.
  • the second inner cavity is located on two sides of the plurality of diamond-shaped holes, and the side wall of the heat exchange tube has a triangular folded plate shape that cooperates with the plurality of diamond-shaped holes.
  • the liquid inlet pipe includes a liquid inlet pipe, a first header pipe, and a plurality of first branch pipes connected to the liquid inlet pipe and the first header pipe;
  • the liquid discharging pipe includes a liquid discharging pipe and a second header pipe And a plurality of second shunt tubes connecting the liquid discharge main pipe and the second collecting pipe; wherein the two ends of the heat exchange pipe are respectively connected with the first shunt pipe and the second shunt pipe.
  • the housing has a square shape
  • the heat exchange tube has a square structure
  • a spoiler structure is disposed on the inner wall of the housing.
  • the spoiler structure is a plurality of ribs.
  • the heat exchange line is made of aluminum.
  • the present invention also provides an air conditioner comprising the aforementioned heat exchanger.
  • the heat exchange holes communicate with the first inner cavity, thereby increasing the heat exchange area of the heat exchange tubes and improving heat exchange.
  • Efficiency in the case of the same amount of heat exchange, the volume of the heat exchanger can be reduced.
  • Figure 1 is a perspective view showing the structure of a heat exchanger according to the present invention.
  • FIG. 2 is a schematic side view of a heat exchanger in accordance with the present invention.
  • liquid outlet pipeline 21, liquid outlet manifold; 22, second header; 23, second branch pipe;
  • a heat exchanger includes a casing and a heat exchange pipe, and the casing has a first inner cavity and a first inlet and a first outlet connected to the first inner cavity.
  • the heat pipe is located in the first inner cavity and has a second inlet and a second outlet penetrating to the outside of the casing;
  • the heat exchange pipeline includes a liquid inlet pipe 10, a liquid outlet pipe 20 and a plurality of heat exchange pipes 30
  • Each heat exchange tube 30 has a second inner chamber in communication with the inlet conduit 10 and the outlet conduit 20 and a plurality of heat exchange holes 31 in communication with the first inner chamber.
  • the present invention provides a plurality of heat exchange holes 31 on each heat exchange tube 30, and the heat exchange holes 31 communicate with the first inner chamber, thereby increasing the heat exchange area of the heat exchange tubes 30 and improving the heat exchange efficiency, in the same
  • heat exchange capacity the volume of the heat exchanger can be reduced, the space occupied can be saved, and the loading and unloading can be facilitated.
  • the heat exchange hole 31 is a rhombic hole, and a plurality of rhombic holes are sequentially arranged, which can further increase the heat exchange area, thereby further improving the heat exchange efficiency.
  • the second inner cavity is located on two sides of the plurality of rhombic holes, and the side wall of the heat exchange tube 30 has a triangular flap shape matching the plurality of rhombic holes, that is, the shape of the heat exchange tube 30 in the present invention is changed from a circular shape to a square shape.
  • the square hole is opened in the middle, and the water is circulated inside and outside to improve the heat exchange efficiency.
  • the side wall of the heat exchange tube 30 is matched with the shape formed by the arrangement of the plurality of diamond-shaped holes, so that the second inner cavity forms a uniform thin-walled folded inner cavity, which is advantageous for improving heat exchange efficiency.
  • the liquid inlet pipe 10 includes a liquid inlet pipe 11, a first header pipe 12, and a plurality of first branch pipes 13 connecting the liquid inlet pipe 11 and the first header pipe 12; the liquid outlet pipe 20 The liquid collecting manifold 21, the second header 22, and the plurality of second shunt tubes 23 connecting the liquid discharging manifold 21 and the second header 22; wherein the two ends of the heat exchange tube 30 are respectively connected to the first shunt tube 13 and The second shunt tube 23 is in communication. That is, the entire heat exchange tube forms a square frame structure, thereby reducing the volume of the heat exchanger. Correspondingly, the housing is also square. That is to say, the shape of the heat exchanger of the invention adopts a shell-and-tube heat exchanger shell, and has the advantages of compact structure, freeze resistance and convenient maintenance of the shell-and-disk heat exchanger.
  • the inner wall of the casing is provided with a spoiler structure to increase the disturbance of the medium in the first inner cavity, which is beneficial to improve heat exchange efficiency.
  • the spoiler structure is a plurality of ribs provided by stamping.
  • the medium enters the heat exchange line from the liquid inlet manifold 11 through the refrigerant passage on the heat exchanger casing, and is evenly distributed to the respective heat exchange tubes 30 through the first branch pipe 13 and the first header pipe 12, and is exchanged.
  • the second inner cavity of the rhombus on the heat pipe 30 flows in both directions, is collected by the liquid discharge pipe 20, and flows back to complete the circulation of the refrigerant.
  • the heat exchange tube 30 is made of an aluminum material to reduce cost.
  • the water system circulation passage is a diamond-shaped heat exchange hole 31 outside the heat exchange tube 30 and the middle of the heat exchange tube 30, so that heat exchange between the inside and the outside of the heat exchange tube 30 is simultaneously performed, and the heat exchange efficiency is improved.
  • the invention also provides an air conditioner comprising the aforementioned heat exchanger, thereby effectively improving heat exchange efficiency and reducing the volume of the heat exchanger.
  • the heat exchange holes 31 communicate with the first inner chamber, thereby increasing the heat exchange area of the heat exchange tubes 30.
  • the volume of the heat exchanger can be reduced under the same heat exchange amount.

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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)

Abstract

一种换热器及空调器。换热器包括壳体和换热管路，壳体具有第一内腔及与第一内腔连通的第一进口和第一出口，换热管路位于第一内腔中，并具有穿出到壳体外部的第二进口和第二出口；换热管路包括进液管路（10）、出液管路（20）和多根换热管（30），每根换热管（30）具有与进液管路（10）和出液管路（20）连通的第二内腔和与第一内腔连通的多个换热孔（31）。通过在每根换热管（30）上设置多个换热孔（31），换热孔（31）与第一内腔连通，从而增大换热管（30）的换热面积，提高换热效率，在相同的换热量的情况下，能够减小换热器的体积。

Description

换热器及空调器 技术领域
本发明涉及空调领域，具体而言，涉及一种换热器及空调器。
背景技术
换热器是一种实现不同介质热交换的装置。目前的换热器主要有壳管式换热器、盘管式换热器、壳盘式换热器、翅片式换热器、微通道换热器等。壳管式换热器、盘管式换热器、壳盘式换热器主要用于空调水冷系统，翅片式换热器、微通道换热器则主要用于空调风冷系统。
每种换热器各有优劣。壳管式换热器换热效率高，换热效果明显，但体积较大，占地空间大，不易装卸。盘管式换热器体积小，占地空间小，但水阻力大，不易装卸。壳盘式换热器具有体积小，占地空间小，易装卸等优点，但制造成本高，换热效率较低。翅片换热器与微通道换热器换热效率高，但体积较大，制造成本高。
发明内容
本发明旨在提供一种能够提高换热效率的换热器及空调器。
本发明提供了一种换热器，包括壳体和换热管路，壳体具有第一内腔及与第一内腔连通的第一进口和第一出口，换热管路位于第一内腔中，并具有穿出到壳体外部的第二进口和第二出口；换热管路包括进液管路、出液管路和多根换热管，每根换热管具有与进液管路和出液管路连通的第二内腔和与第一内腔连通的多个换热孔。
进一步地，换热孔为菱形孔，多个菱形孔依次排列。
进一步地，第二内腔位于多个菱形孔两侧，且换热管的侧壁呈与多个菱形孔配合的三角形折板状。
进一步地，进液管路包括进液总管、第一集流管和连接进液总管和第一集流管的多根第一分流管；出液管路包括出液总管、第二集流管和连接出液总管和第二集流管的多根第二分流管；其中，换热管两端分别与第一分流管和第二分流管连通。
进一步地，壳体呈方形，换热管路呈方形结构。
进一步地，壳体的内壁上设置有扰流结构。
进一步地，扰流结构为多个凸棱。
进一步地，换热管路采用铝材制作。
本发明还提供了一种空调器，包括前述的换热器。
根据本发明的换热器及空调器，通过在每根换热管上设置多个换热孔，换热孔与第一内腔连通，从而增大换热管的换热面积，提高换热效率，在相同的换热量的情况下，能够减小换热器的体积。
附图说明
构成本申请的一部分的附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1是根据本发明的换热器的立体结构示意图；
图2是根据本发明的换热器的侧视结构示意图。
附图标记说明：
10、进液管路；11、进液总管；12、第一集流管；13、第一分流管；
20、出液管路；21、出液总管；22、第二集流管；23、第二分流管；
30、换热管；31、换热孔。
具体实施方式
下面将参考附图并结合实施例来详细说明本发明。
如图1和图2所示，根据本发明的换热器，包括壳体和换热管路，壳体具有第一内腔及与第一内腔连通的第一进口和第一出口，换热管路位于第一内腔中，并具有穿出到壳体外部的第二进口和第二出口；换热管路包括进液管路10、出液管路20和多根换热管30，每根换热管30具有与进液管路10和出液管路20连通的第二内腔和与第一内腔连通的多个换热孔31。本发明通过在每根换热管30上设置多个换热孔31，换热孔31与第一内腔连通，从而增大换热管30的换热面积，提高换热效率，在相同的换热量的情况下，能够减小换热器的体积，节省占地空间，便于装卸。
优选地，如图2所示，换热孔31为菱形孔，多个菱形孔依次排列，能够进一步地提高换热面积，从而进一步提高换热效率。
第二内腔位于多个菱形孔两侧，且换热管30的侧壁呈与多个菱形孔配合的三角形折板状，也即本发明中换热管30形状由圆形改为方形，中间开方形孔，水内外流通，提高换热效率。换热管30的侧壁与排列的多个菱形孔排列形成的形状相适配，从而使第二内腔形成均匀的薄壁折形内腔，有利于提高换热效率。
结合图1所示，进液管路10包括进液总管11、第一集流管12和连接进液总管11和第一集流管12的多根第一分流管13；出液管路20包括出液总管21、第二集流管22和连接出液总管21和第二集流管22的多根第二分流管23；其中，换热管30两端分别与第一分流管13和第二分流管23连通。也即整个换热管路形成方形的框架结构，从而减少换热器的体积。相应地，壳体也呈方形。也即本发明的换热器外形采用壳盘管式换热器外壳，具有壳盘式换热器结构紧凑、耐冻、维修方便等优点。
优选地，壳体的内壁上设置有扰流结构，增加第一内腔中的介质的扰动，有利于提高换热效率。一般地，扰流结构为冲压设置的多个凸棱。
工作时，媒通过换热器外壳上的冷媒通道从进液总管11进入换热管路后，通过第一分流管13和第一集流管12均匀分配到各个换热管30中，经换热管30上的菱形的第二内腔双向流通，通过出液管路20汇总后流回，完成冷媒的循环。换热管30由铝材料制成，降低成本。水系统流通通道为换热管30外部以及换热管30中间的菱形换热孔31，从而使换热管30内外同时换热，提高换热效率。
本发明还提供了一种空调器，包括前述的换热器，从而有效提高换热效率，减小换热器的体积。
从以上的描述中，可以看出，本发明上述的实施例实现了如下技术效果：
根据本发明的换热器及空调器，通过在每根换热管30上设置多个换热孔31，换热孔31与第一内腔连通，从而增大换热管30的换热面积，提高换热效率，在相同的换热量的情况下，能够减小换热器的体积。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (9)

  1. 一种换热器，包括壳体和换热管路，所述壳体具有第一内腔及与所述第一内腔连通的第一进口和第一出口，所述换热管路位于所述第一内腔中，并具有穿出到所述壳体外部的第二进口和第二出口；其特征在于，
    所述换热管路包括进液管路(10)、出液管路(20)和多根换热管(30)，每根所述换热管(30)具有与所述进液管路(10)和所述出液管路(20)连通的第二内腔和与所述第一内腔连通的多个换热孔(31)。
  2. 根据权利要求1所述的换热器，其特征在于，
    所述换热孔(31)为菱形孔，多个所述菱形孔依次排列。
  3. 根据权利要求2所述的换热器，其特征在于，
    所述第二内腔位于多个所述菱形孔两侧，且所述换热管(30)的侧壁呈与多个所述菱形孔配合的三角形折板状。
  4. 根据权利要求1至3中任一项所述的换热器，其特征在于，
    所述进液管路(10)包括进液总管(11)、第一集流管(12)和连接所述进液总管(11)和所述第一集流管(12)的多根第一分流管(13)；
    所述出液管路(20)包括出液总管(21)、第二集流管(22)和连接所述出液总管(21)和所述第二集流管(22)的多根第二分流管(23)；
    其中，所述换热管(30)两端分别与所述第一分流管(13)和所述第二分流管(23)连通。
  5. 根据权利要求4所述的换热器，其特征在于，
    所述壳体呈方形，所述换热管路呈方形结构。
  6. 根据权利要求1所述的换热器，其特征在于，
    所述壳体的内壁上设置有扰流结构。
  7. 根据权利要求6所述的换热器，其特征在于，
    所述扰流结构为多个凸棱。
  8. 根据权利要求1所述的换热器，其特征在于，
    所述换热管路采用铝材制作。
  9. 一种空调器，包括换热器，其特征在于，所述换热器为权利要求1至8中任一项所述的换热器。
PCT/CN2017/105784 2016-11-28 2017-10-12 换热器及空调器 WO2018095153A1 (zh)

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CN201611076653.3 2016-11-28

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