JP2014139493A - Heat exchanger of air conditioner - Google Patents

Heat exchanger of air conditioner Download PDF

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Publication number
JP2014139493A
JP2014139493A JP2013008347A JP2013008347A JP2014139493A JP 2014139493 A JP2014139493 A JP 2014139493A JP 2013008347 A JP2013008347 A JP 2013008347A JP 2013008347 A JP2013008347 A JP 2013008347A JP 2014139493 A JP2014139493 A JP 2014139493A
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Japan
Prior art keywords
microchannel
heat exchanger
portions
fin
downstream
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JP2013008347A
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Japanese (ja)
Inventor
Atsushi Nagasawa
敦氏 長澤
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Toshiba Corp
Toshiba Lifestyle Products and Services Corp
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Toshiba Corp
Toshiba Lifestyle Products and Services Corp
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Application filed by Toshiba Corp, Toshiba Lifestyle Products and Services Corp filed Critical Toshiba Corp
Priority to JP2013008347A priority Critical patent/JP2014139493A/en
Priority to PCT/JP2013/081917 priority patent/WO2014112217A1/en
Priority to CN201380070611.7A priority patent/CN104919266A/en
Priority to EP13872232.7A priority patent/EP2947411A4/en
Publication of JP2014139493A publication Critical patent/JP2014139493A/en
Pending legal-status Critical Current

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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
    • 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
    • F28D1/05383—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel 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
    • F28F1/126—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
    • F28F1/128—Fins with openings, e.g. louvered 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
    • F28F17/00—Removing ice or water from heat-exchange apparatus
    • F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
    • 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
    • F28D2001/0253—Particular components
    • F28D2001/026—Cores
    • F28D2001/0266—Particular core assemblies, e.g. having different orientations or having different geometric features
    • 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
    • F28D2021/0071—Evaporators

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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

PROBLEM TO BE SOLVED: To improve productivity by facilitating assembling a micro-channel portion with a fin portion with the micro-channel portion inclined.SOLUTION: A heat exchanger of an air conditioner includes: a plurality of micro-channel portions; and a plurality of fin portions. Each micro-channel portion includes a plurality of channels each of which is formed into a plate shape and in which refrigerant flows. Each micro-channel portion is also provided to be distanced from one another and each inclined so that an upstream side becomes higher and a downstream side becomes lower in a flow direction of air supplied from an outside. Each fin portion is provided between the two adjacent micro-channel portions and in contact with the respective micro-channel portions. An end portion of each fin portion is located on a line that couples end portions of the respective micro-channel portions to each other at least either upstream or downstream in the flow direction of the air.

Description

本発明の実施形態は、空気調和装置の熱交換器に関する。   Embodiments described herein relate generally to a heat exchanger of an air conditioner.

空気調和装置の熱交換器として、いわゆるマイクロチャネル型の熱交換器がある。マイクロチャネル型の熱交換器は、冷媒が流れる複数の流路を内部に有するマイクロチャネル部と、そのマイクロチャネル部に接触して設けられたフィン部とを備えている。このような熱交換器においては、熱交換によって生じた結露水を除去するために、マイクロチャネル部を傾斜させることがある。これによれば、結露水を重力によりマイクロチャネル部の傾斜に沿って落下させることができ、その結果、結露水を効率よく除去することができる。   As a heat exchanger of the air conditioner, there is a so-called microchannel type heat exchanger. The microchannel heat exchanger includes a microchannel portion having a plurality of flow paths through which a refrigerant flows, and a fin portion provided in contact with the microchannel portion. In such a heat exchanger, in order to remove the dew condensation water generated by the heat exchange, the microchannel portion may be inclined. According to this, the dew condensation water can be dropped along the inclination of the microchannel portion by gravity, and as a result, the dew condensation water can be efficiently removed.

しかし、このようなマイクロチャネル型の熱交換器において、その組立は、別体に製造された複数のマイクロチャネル部及びフィン部を所定の形態となるように配置した後、ろう付けなどによりマイクロチャネル部とフィン部と接合することで行われる。そのため、マイクロチャネル部を傾斜させるものでは、傾斜したマイクロチャネル部に沿ってフィン部を配置することは難しく、製造性が良くないという事情がある。   However, in such a microchannel heat exchanger, the assembly is performed by arranging a plurality of microchannel portions and fin portions separately manufactured in a predetermined form, and then brazing or the like. This is done by joining the part and the fin part. Therefore, in the case where the microchannel portion is inclined, it is difficult to dispose the fin portion along the inclined microchannel portion, and the manufacturability is not good.

特開２０１１−２３７０６２号公報JP 2011-237062 A

そこで、マイクロチャネル部を傾斜させたものにおいて、マイクロチャネル部とフィン部との組立を容易にして製造性の向上を図った空気調和装置の熱交換器を提供する。   Accordingly, there is provided a heat exchanger for an air conditioner in which the microchannel portion and the fin portion are easily assembled and the manufacturability is improved by tilting the microchannel portion.

本実施形態による空気調和装置の熱交換器は、板状に構成され内部に冷媒が流れる複数の流路を有し、相互に離間するとともに外部から供給される空気が流れる方向に対して上流側が高く下流側が低くなるように傾斜して設けられた複数のマイクロチャネル部と、隣り合う二つの前記マイクロチャネル部の間にあって前記各マイクロチャネル部に接触して設けられた複数のフィン部と、を備える。前記空気が流れる方向における上流側又は下流側の少なくともいずれか一方において、前記フィン部の端部が、前記各マイクロチャネル部の端部を繋いだ線上に位置している。   The heat exchanger of the air conditioner according to the present embodiment has a plurality of flow paths that are configured in a plate shape and through which a refrigerant flows. The upstream side of the heat exchanger is separated from each other and flows in the direction in which air supplied from the outside flows. A plurality of microchannel portions that are inclined so as to be higher on the downstream side, and a plurality of fin portions that are provided between two adjacent microchannel portions and are in contact with the microchannel portions, Prepare. In at least one of the upstream side and the downstream side in the air flow direction, the end of the fin portion is located on a line connecting the ends of the microchannel portions.

第一実施形態による熱交換器を示す斜視図The perspective view which shows the heat exchanger by 1st embodiment. 熱交換器の正面図Front view of heat exchanger 熱交換器の縦断側面図Longitudinal side view of heat exchanger マイクロチャネル部とフィン部の位置関係を示す図The figure which shows the positional relationship of a micro channel part and a fin part 切り起こし部の周辺部分を示すフィン部の横断面図Cross-sectional view of the fin portion showing the peripheral portion of the cut and raised portion 熱交換器を備える空気調和装置の室内機について内部構成を概略的に示す図The figure which shows an internal structure roughly about the indoor unit of an air conditioning apparatus provided with a heat exchanger 熱交換器の組み立てに用いる治具を示す図Diagram showing jig used for assembly of heat exchanger 熱交換器の組み立て手順を（ａ）〜（ｄ）の順に概略的に示す図The figure which shows the assembly procedure of a heat exchanger roughly in order of (a)-(d). 第二実施形態による図４相当図FIG. 4 equivalent view according to the second embodiment 第三実施形態による図４相当図FIG. 4 equivalent diagram according to the third embodiment

以下、複数の実施形態による空気調和装置の熱交換器について、図面を参照して説明する。なお、各実施形態において実質的に同一の構成部位には同一の符号を付し、説明を省略する。   Hereinafter, the heat exchanger of the air conditioning apparatus by several embodiment is demonstrated with reference to drawings. In addition, in each embodiment, the same code | symbol is attached | subjected to the substantially same component, and description is abbreviate | omitted.

（第一実施形態）
まず、第一実施形態について、図１から図８を参照して説明する。
本実施形態による熱交換器１０は、マイクロチャネル型であって、図１及び図２に示すように全体として矩形板状に構成されている。熱交換器１０は、冷媒流入部２０、冷媒流出部３０、複数のマイクロチャネル部４０、及び複数のフィン部５０を備えている。なお、本実施形態では、冷媒流入部２０及び冷媒流出部３０の長手方向を熱交換器の縦方向とし、これに直交する方向すなわちマイクロチャネル部４０の長手方向を熱交換器１０の横方向とする。また、熱交換器１０の縦方向及び横方向に直交する方向を、熱交換器１０の厚み方向とする。図１では、熱交換器１０の縦方向を矢印Ｘ、横方向を矢印Ｙ、厚み方向を矢印Ｚで示している。 (First embodiment)
First, a first embodiment will be described with reference to FIGS.
The heat exchanger 10 according to the present embodiment is a microchannel type, and is configured as a rectangular plate as a whole as shown in FIGS. 1 and 2. The heat exchanger 10 includes a refrigerant inflow portion 20, a refrigerant outflow portion 30, a plurality of microchannel portions 40, and a plurality of fin portions 50. In the present embodiment, the longitudinal direction of the refrigerant inflow portion 20 and the refrigerant outflow portion 30 is the longitudinal direction of the heat exchanger, and the direction orthogonal to this, that is, the longitudinal direction of the microchannel portion 40 is the lateral direction of the heat exchanger 10. To do. Further, the direction orthogonal to the vertical direction and the horizontal direction of the heat exchanger 10 is defined as the thickness direction of the heat exchanger 10. In FIG. 1, the vertical direction of the heat exchanger 10 is indicated by an arrow X, the horizontal direction is indicated by an arrow Y, and the thickness direction is indicated by an arrow Z.

熱交換器１０は、外部から供給される空気を該熱交換器１０の厚み方向へ通過させることにより、その空気と該熱交換器１０内に流れる冷媒との熱交換を行う。なお、図中において示す矢印Ａは、外部から供給される空気が流れる方向を示している。この場合、図１では、熱交換器１０に対して紙面左奥側を空気が流れる方向の上流側とし、紙面右手前側を下流側としている。また、図３〜図６では、熱交換器１０に対して紙面左側を空気が流れる方向の上流側とし、紙面右側を下流側としている。   The heat exchanger 10 exchanges heat between the air and the refrigerant flowing in the heat exchanger 10 by passing air supplied from the outside in the thickness direction of the heat exchanger 10. In addition, the arrow A shown in the figure has shown the direction through which the air supplied from the outside flows. In this case, in FIG. 1, the left rear side of the paper with respect to the heat exchanger 10 is the upstream side in the direction of air flow, and the right front side of the paper is the downstream side. 3 to 6, the left side of the drawing with respect to the heat exchanger 10 is the upstream side in the direction of air flow, and the right side of the drawing is the downstream side.

図１及び図２に示すように、冷媒流入部２０及び冷媒流出部３０は、熱交換器１０の縦方向へ延びる管状に構成されている。複数のマイクロチャネル部４０及び複数のフィン部５０は、冷媒流入部２０と冷媒流出部３０との間に挟まれて設けられている。冷媒流入部２０及び冷媒流出部３０には、それぞれ冷凍サイクルの冷媒管路６０が接続される。冷媒管路６０を流れる冷媒は、図１及び図２に矢印Ｂに示すように、冷媒流入部２０によって各マイクロチャネル部４０へ分配され、その後、各マイクロチャネル部４０を通り、冷媒流出部３０で収集されて冷媒管路６０へ流出する。   As shown in FIGS. 1 and 2, the refrigerant inflow portion 20 and the refrigerant outflow portion 30 are configured in a tubular shape extending in the longitudinal direction of the heat exchanger 10. The plurality of microchannel portions 40 and the plurality of fin portions 50 are provided between the refrigerant inflow portion 20 and the refrigerant outflow portion 30. Refrigerant pipelines 60 of the refrigeration cycle are connected to the refrigerant inflow portion 20 and the refrigerant outflow portion 30, respectively. The refrigerant flowing through the refrigerant pipe 60 is distributed to each microchannel portion 40 by the refrigerant inflow portion 20 as indicated by an arrow B in FIGS. 1 and 2, and then passes through each microchannel portion 40 and passes through the refrigerant outflow portion 30. And flow out to the refrigerant pipe 60.

マイクロチャネル部４０は、熱交換器１０の横方向へ延びる扁平な板状の部材であって、例えばアルミニウムなど熱伝導率が比較的大きい部材で構成されている。各マイクロチャネル部４０は、熱交換器１０の縦方向に沿って相互に離間して設けられている。マイクロチャネル部４０は、図１及び図３に示すように、外部から供給される空気が流れる方向に対して上流側が高く下流側が低くなるように傾斜して設けられている。すなわち、マイクロチャネル部４０は、空気が流れる方向へ向って下流側へ行くに従って低くなるように下降傾斜している。この場合、マイクロチャネル部４０の熱交換器１０の厚み方向に対する傾斜角度をα°としている。   The microchannel portion 40 is a flat plate-like member that extends in the lateral direction of the heat exchanger 10 and is configured of a member having a relatively large thermal conductivity, such as aluminum. The microchannel portions 40 are provided apart from each other along the longitudinal direction of the heat exchanger 10. As shown in FIGS. 1 and 3, the microchannel portion 40 is provided so as to be inclined such that the upstream side is high and the downstream side is low with respect to the direction in which air supplied from outside flows. That is, the microchannel portion 40 is inclined downward so as to become lower toward the downstream side in the direction in which air flows. In this case, the inclination angle of the microchannel portion 40 with respect to the thickness direction of the heat exchanger 10 is α °.

マイクロチャネル部４０は、ある程度の厚さを有しており、その内部に、マイクロチャネル部４０の長手方向すなわち熱交換器１０の横方向へ延びる複数の冷媒流路４１を有している。冷媒流路４１は、冷媒流入部２０と冷媒流出部３０とを繋いでいる。冷媒流入部２０側の冷媒は、各冷媒流路４１を通って冷媒流出部３０側へ流れる。   The microchannel part 40 has a certain thickness, and has a plurality of refrigerant channels 41 extending in the longitudinal direction of the microchannel part 40, that is, in the lateral direction of the heat exchanger 10. The refrigerant flow path 41 connects the refrigerant inflow portion 20 and the refrigerant outflow portion 30. The refrigerant on the refrigerant inflow portion 20 side flows through the refrigerant flow paths 41 to the refrigerant outflow portion 30 side.

フィン部５０は、例えばアルミニウムなど熱伝導率が比較的大きい部材で構成されている。フィン部５０は、図１及び図２に示すように、例えば薄い帯状のアルミニウム板を蛇腹状に交互に折り曲げて構成されている。フィン部５０は、全体としてマイクロチャネル部４０の長手方向つまり熱交換器１０の横方向へ延びるように構成されている。フィン部５０は、熱交換器１０の縦方向へ隣り合う二つのマイクロチャネル部４０の間にあって、該マイクロチャネル部４０に沿って傾斜して設けられている。フィン部５０の山折り形状となった上部５１及び谷折り形状となった下部５２は、それぞれマイクロチャネル部４０に接触している。   The fin part 50 is comprised with the member with comparatively large thermal conductivity, such as aluminum, for example. As shown in FIGS. 1 and 2, the fin portion 50 is configured, for example, by bending thin strip-shaped aluminum plates alternately in a bellows shape. The fin portion 50 is configured to extend in the longitudinal direction of the microchannel portion 40, that is, in the lateral direction of the heat exchanger 10 as a whole. The fin portion 50 is provided between the two microchannel portions 40 adjacent to each other in the vertical direction of the heat exchanger 10, and is inclined along the microchannel portion 40. The upper portion 51 of the fin portion 50 having a mountain fold shape and the lower portion 52 having a valley fold shape are in contact with the microchannel portion 40.

図４では、各マイクロチャネル部４０の下流側の端部４３を繋いだ線をマイクロチャネル部４０の前端線Ｃとして仮想的に示している。また、各マイクロチャネル部４０の上流側の端部４４を繋いだ線をマイクロチャネル部４０の後端線Ｄとして仮想的に示している。フィン部５０は、空気が流れる方向つまり熱交換器１０の厚み方向に対し、上流側又は下流側の少なくともいずれか一方において、該フィン部５０の端部５３、５４が、各マイクロチャネル部４０の端部４３、４４を繋いだ線上に位置している。この場合、フィン部５０の下流側の端部５３が、各マイクロチャネル部４０の下流側の端部４３を繋いだ前端線Ｃ上に位置している。つまり、熱交換器１０は、該熱交換器１０の厚み方向において、マイクロチャネル部４０の最も風下側の端部４３とフィン部５０の最も風下側の端部５３との位置が、前端線Ｃ上に揃えられている。   In FIG. 4, a line connecting downstream end portions 43 of the microchannel portions 40 is virtually shown as a front end line C of the microchannel portion 40. Further, a line connecting the upstream end portions 44 of the microchannel portions 40 is virtually shown as a rear end line D of the microchannel portion 40. In the fin portion 50, at least one of the upstream side and the downstream side with respect to the flow direction of air, that is, the thickness direction of the heat exchanger 10, the end portions 53 and 54 of the fin portion 50 are connected to the microchannel portions 40. It is located on a line connecting the end portions 43 and 44. In this case, the end portion 53 on the downstream side of the fin portion 50 is located on the front end line C connecting the end portions 43 on the downstream side of the microchannel portions 40. That is, in the heat exchanger 10, the position of the end portion 43 on the most leeward side of the microchannel portion 40 and the end portion 53 on the leeward side of the fin portion 50 in the thickness direction of the heat exchanger 10 is the front end line C It is aligned on the top.

フィン部５０は、複数の切り起こし部５５を有している。切り起こし部５５は、図５に示すように、フィン部５０を構成する板部材の一部を切り起こすことにより形成されている。そのため、切り起こし部５５は、外部から供給される空気が流れる方向つまり矢印Ａに示す方向に対して直交する方向へ突出している。この場合、切り起こし部５５は、熱交換器１０を通過する空気の流れに対して上流側が開口するように形成されている。   The fin portion 50 has a plurality of raised portions 55. As shown in FIG. 5, the cut-and-raised portion 55 is formed by cutting and raising a part of the plate member constituting the fin portion 50. Therefore, the cut-and-raised portion 55 protrudes in a direction orthogonal to the direction in which air supplied from the outside flows, that is, the direction indicated by the arrow A. In this case, the cut-and-raised portion 55 is formed so that the upstream side opens with respect to the air flow passing through the heat exchanger 10.

また、切り起こし部５５の形成に伴ってスリット部５６が形成されている。切り起こし部５５及びスリット部５６は、図４などに示すように、熱交換器１０の縦方向この場合略垂直方向へ延びている。切り起こし部５５は、熱交換器１０を通過する空気の流れを部分的に阻害することで、該切り起こし部５５周辺に乱流を生じさせる。これにより、フィン部５０における熱交換性能が向上する。   Further, the slit portion 56 is formed with the formation of the cut and raised portion 55. The cut-and-raised part 55 and the slit part 56 extend in the longitudinal direction of the heat exchanger 10, in this case, in a substantially vertical direction, as shown in FIG. The cut-and-raised part 55 partially disturbs the flow of air passing through the heat exchanger 10, thereby generating a turbulent flow around the cut-and-raised part 55. Thereby, the heat exchange performance in the fin part 50 improves.

熱交換器１０は、例えば図６に示すように、空気調和装置の室内機１００の内部に配置され、図６に矢印Ａで示すように送風機１０１の送風作用により外部から供給される空気を熱交換する。なお詳細は図示しないが、熱交換器１０を空気調和装置の室外機の内部に配置することもできる。   For example, as shown in FIG. 6, the heat exchanger 10 is disposed inside the indoor unit 100 of the air conditioner, and heats the air supplied from the outside by the blowing action of the blower 101 as indicated by an arrow A in FIG. 6. Exchange. Although not shown in detail, the heat exchanger 10 can be arranged inside the outdoor unit of the air conditioner.

次に、熱交換器１０の組み立て手順について図７及び図８を参照して説明する。熱交換器１０の組み立ては、例えば図７に示す治具１１０を用いて行われる。なお、図７及び図８において紙面上下方向が熱交換器１０の厚み方向となる。この場合、図７及び図８において紙面下側が空気の流れの上流側となり、紙面上側が空気の流れの下流側となる。
治具１１０は、基台部１１１と側壁部１１２とを有して構成されている。基台部１１１は、矩形の板状に構成されている。側壁部１１２は、基台部１１１において熱交換器１０の横方向における両端側にあって、熱交換器１０の縦方向へ延びるように設けられている。側壁部１１２は、基台部１１１に対して直角となるように設けられている。なお、基台部１１１において、側壁部１１２が設けられている側の面を該基台部１１１の前面とし、側壁部１１２と反対側の面を該基台部１１１の背面とする。 Next, the assembly procedure of the heat exchanger 10 is demonstrated with reference to FIG.7 and FIG.8. The heat exchanger 10 is assembled using, for example, a jig 110 shown in FIG. 7 and 8, the vertical direction on the paper surface is the thickness direction of the heat exchanger 10. In this case, in FIG. 7 and FIG. 8, the lower side of the paper is the upstream side of the air flow, and the upper side of the paper is the downstream side of the air flow.
The jig 110 includes a base part 111 and a side wall part 112. The base 111 is configured in a rectangular plate shape. The side wall portions 112 are provided on both ends of the base portion 111 in the lateral direction of the heat exchanger 10 so as to extend in the longitudinal direction of the heat exchanger 10. The side wall part 112 is provided so as to be perpendicular to the base part 111. In the base part 111, the surface on which the side wall part 112 is provided is the front surface of the base part 111, and the surface opposite to the side wall part 112 is the back surface of the base part 111.

側壁部１１２には、該側壁部１１２を溝状に切り欠いて複数の溝部１１３が形成されている。溝部１１３は、基台部１１１の面に直角な方向すなわち熱交換器１０の厚み方向に対してα°傾斜している。マイクロチャネル部４０の傾斜角度は、この溝部１１３の傾斜角度αによって決定される。溝部１１３の底部１１４は、基台部１１１の前面と同一面であるか、又は基台部１１１の前面によりも該基台部１１１の背面側に位置している。   A plurality of groove portions 113 are formed in the sidewall portion 112 by cutting the sidewall portion 112 into a groove shape. The groove 113 is inclined by α ° with respect to the direction perpendicular to the surface of the base 111, that is, the thickness direction of the heat exchanger 10. The inclination angle of the microchannel portion 40 is determined by the inclination angle α of the groove 113. The bottom portion 114 of the groove 113 is flush with the front surface of the base portion 111, or is located on the back side of the base portion 111 than the front surface of the base portion 111.

熱交換器１０は、次のようにして組み立てられる。まず、図８の（ａ）に示すように、別体に構成された複数のマイクロチャネル部４０が、それぞれ治具１１０に配置される。この場合、まず、マイクロチャネル部４０の長手方向における両端部が、治具１１０の溝部１１３に嵌め込まれる。そして、マイクロチャネル部４０は、その下流側の端部４３が基台部１１１の前面に突き当たるまで押し込まれる。これにより、各マイクロチャネル部４０は、熱交換器１０の厚み方向に対してα°傾斜する姿勢であって、相互に離間した形態で配置される。   The heat exchanger 10 is assembled as follows. First, as shown in FIG. 8A, a plurality of microchannel portions 40 configured separately are arranged on the jig 110. In this case, first, both end portions in the longitudinal direction of the microchannel portion 40 are fitted into the groove portions 113 of the jig 110. The microchannel portion 40 is pushed in until the downstream end portion 43 of the microchannel portion 40 abuts against the front surface of the base portion 111. Thereby, each microchannel part 40 is the attitude | position which inclines (alpha) with respect to the thickness direction of the heat exchanger 10, and is arrange | positioned in the form spaced apart from each other.

その後、図８の（ｂ）に示すように、別体に構成された複数のフィン部５０が、隣り合う二個のマイクロチャネル部４０の間にそれぞれ挿入される。フィン部５０は、その下流側の端部５３が基台部１１１の前面に突き当たるまで押し込まれる。これにより、マイクロチャネル部４０の下流側の端部４３と、フィン部５０の下流側の端部５３とは、熱交換器１０の厚み方向において一致する。すなわち、マイクロチャネル部４０及びフィン部５０は、該マイクロチャネル部４０の下流側の端部４３と該フィン部５０の下流側の端部５３とが熱交換器１０の縦方向に揃うように配置される。   Thereafter, as shown in FIG. 8B, the plurality of fin portions 50 configured separately are inserted between two adjacent microchannel portions 40. The fin portion 50 is pushed in until the downstream end portion 53 of the fin portion 50 abuts against the front surface of the base portion 111. Thereby, the downstream end portion 43 of the microchannel portion 40 and the downstream end portion 53 of the fin portion 50 coincide with each other in the thickness direction of the heat exchanger 10. That is, the microchannel portion 40 and the fin portion 50 are arranged so that the downstream end portion 43 of the microchannel portion 40 and the downstream end portion 53 of the fin portion 50 are aligned in the longitudinal direction of the heat exchanger 10. Is done.

その後、図８の（ｃ）に示すように、マイクロチャネル部４０とフィン部５０との組立体から治具１１０が取り外される。そして、この組立体は、熱交換器１０の縦方向へ圧縮され、フィン部５０の上部５１と下部５２とがそれぞれマイクロチャネル部４０に強固に接触される。次に、図８の（ｄ）に示すように、各マイクロチャネル部４０には、その長手方向の両端部にそれぞれ冷媒流入部２０と冷媒流出部３０とが取り付けられる。その後、詳細は図示しないが、これら冷媒流入部２０と冷媒流出部３０とマイクロチャネル部４０とフィン部５０との組立体を、図示しない炉内でろう付けすることにより各部材を接合する。このようにして熱交換器１０が組み立てられる。   Thereafter, as shown in FIG. 8C, the jig 110 is removed from the assembly of the microchannel portion 40 and the fin portion 50. Then, this assembly is compressed in the longitudinal direction of the heat exchanger 10, and the upper portion 51 and the lower portion 52 of the fin portion 50 are brought into firm contact with the microchannel portion 40, respectively. Next, as shown in FIG. 8D, each microchannel portion 40 is provided with a refrigerant inflow portion 20 and a refrigerant outflow portion 30 at both ends in the longitudinal direction. Thereafter, although not shown in detail, each member is joined by brazing the assembly of the refrigerant inflow portion 20, the refrigerant outflow portion 30, the microchannel portion 40, and the fin portion 50 in a furnace (not shown). In this way, the heat exchanger 10 is assembled.

これによれば、マイクロチャネル部４０は、外部から供給される空気が流れる方向に対して上流側が高く下流側が低くなるように傾斜して設けられている。そのため、マイクロチャネル部４０に発生した結露水は、重力によって落下するのみならず、外部から供給される空気の流れに沿っても落下する。したがって、マイクロチャネル部４０に発生した結露水を効率よく除去することができる。   According to this, the microchannel portion 40 is provided so as to be inclined so that the upstream side is high and the downstream side is low with respect to the direction in which air supplied from the outside flows. Therefore, the condensed water generated in the microchannel part 40 not only falls due to gravity but also falls along the flow of air supplied from the outside. Therefore, the dew condensation water generated in the microchannel part 40 can be efficiently removed.

そして、マイクロチャネル部４０は、外部から供給される空気が流れる方向に対し少なくとも上流側又は下流側のいずれか一方において、各フィン部５０の端部５３、５４が、各マイクロチャネル部４０の端部４３、４４を繋いだ線上に位置している。本実施形態の場合、各フィン部５０の下流側の端部５３は、各マイクロチャネル部４０の下流側の端部４３を繋いだ前端線Ｃ上に位置している。すなわち、マイクロチャネル部４０の下流側の端部４３と、フィン部５０の下流側の端部５３とは、熱交換器１０の縦方向において揃っている。そのため、熱交換器１０は、マイクロチャネル部４０が傾斜したものであっても、例えば上述の簡単な構成の治具１１０を用いることで、傾斜したマイクロチャネル部４０に沿ってフィン部５０を容易に配置することができ、その結果、熱交換器１０の製造性を向上させることができる。   The microchannel portion 40 is configured such that the end portions 53 and 54 of the fin portions 50 are at the ends of the microchannel portions 40 at least on either the upstream side or the downstream side in the direction in which the air supplied from the outside flows. It is located on the line connecting the parts 43 and 44. In the case of the present embodiment, the end portion 53 on the downstream side of each fin portion 50 is located on the front end line C that connects the end portion 43 on the downstream side of each microchannel portion 40. That is, the downstream end portion 43 of the microchannel portion 40 and the downstream end portion 53 of the fin portion 50 are aligned in the longitudinal direction of the heat exchanger 10. Therefore, even if the microchannel portion 40 is inclined, the heat exchanger 10 can easily move the fin portion 50 along the inclined microchannel portion 40 by using the jig 110 having the simple configuration described above, for example. As a result, the manufacturability of the heat exchanger 10 can be improved.

（第二実施形態）
次に、第二実施形態について、図９を参照して説明する。図９では、上述した第一実施形態と同様に、各マイクロチャネル部４０の下流側の端部４３を繋いだ線をマイクロチャネル部４０の前端線Ｃとして仮想的に示している。また、各マイクロチャネル部４０の上流側の端部４４を繋いだ線をマイクロチャネル部４０の後端線Ｄとして仮想的に示している。 (Second embodiment)
Next, a second embodiment will be described with reference to FIG. In FIG. 9, similarly to the first embodiment described above, a line connecting the downstream end portions 43 of the microchannel portions 40 is virtually shown as a front end line C of the microchannel portions 40. Further, a line connecting the upstream end portions 44 of the microchannel portions 40 is virtually shown as a rear end line D of the microchannel portion 40.

この第二実施形態において、フィン部５０の下流側の端部５３は、前端線Ｃよりも下流側に位置している。すなわち、フィン部５０は、マイクロチャネル部４０の下流側の端部４３よりも下流側へ延び出ている。一方、フィン部５０の上流側の端部５４は、後端線Ｄ上に位置している。つまり、熱交換器１０は、該熱交換器１０の厚み方向において、マイクロチャネル部４０の最も風上側の端部４４とフィン部５０の最も風上側の端部５４との位置が、後端線Ｄ上に揃えられている。換言すれば、マイクロチャネル部４０の上流側の端部４４とフィン部５０の上流側の端部５４とは、熱交換器１０の縦方向に揃えられている。この場合、熱交換器１０の組み立てにおいては、マイクロチャネル部４０の上流側の端部４４及びフィン部５０の上流側の端部５４が、それぞれ治具１１０の基台部１１１側となるように該治具１１０に配置する。   In the second embodiment, the end portion 53 on the downstream side of the fin portion 50 is located on the downstream side of the front end line C. That is, the fin portion 50 extends further downstream than the downstream end portion 43 of the microchannel portion 40. On the other hand, the upstream end portion 54 of the fin portion 50 is located on the rear end line D. That is, in the heat exchanger 10, in the thickness direction of the heat exchanger 10, the positions of the most windward end portion 44 of the microchannel portion 40 and the windward end portion 54 of the fin portion 50 are located at the rear end line. It is aligned on D. In other words, the upstream end portion 44 of the microchannel portion 40 and the upstream end portion 54 of the fin portion 50 are aligned in the longitudinal direction of the heat exchanger 10. In this case, in assembling the heat exchanger 10, the upstream end 44 of the microchannel portion 40 and the upstream end 54 of the fin portion 50 are respectively on the base portion 111 side of the jig 110. The jig 110 is arranged.

これによれば、フィン部５０の下流側の端部５３は、マイクロチャネル部４０の下流側の端部４３よりも下流側へ突出している。したがって、マイクロチャネル部４０に発生した結露水は、フィン部５０を伝って該フィン部５０の下流側へ流れた後、下流側の端部５３近傍から落下する。そして、フィン部５０の下流側の端部５３近傍から落下した結露水は、下方にある他のマイクロチャネル部４０上に落下することなく下方へ落下する。そのため、フィン部５０から落下した結露水が、下方にある他のマイクロチャネル部４０に付着することを回避でき、その結果、マイクロチャネル部４０に発生した結露水をより効率よく除去することができる。   According to this, the end portion 53 on the downstream side of the fin portion 50 protrudes more downstream than the end portion 43 on the downstream side of the microchannel portion 40. Therefore, the condensed water generated in the microchannel portion 40 flows through the fin portion 50 to the downstream side of the fin portion 50 and then falls from the vicinity of the end portion 53 on the downstream side. And the dew condensation water which fell from the edge part 53 vicinity of the downstream of the fin part 50 falls below, without falling on the other microchannel part 40 below. Therefore, it is possible to prevent the condensed water falling from the fin portion 50 from adhering to the other microchannel portion 40 below, and as a result, the condensed water generated in the microchannel portion 40 can be more efficiently removed. .

そして、マイクロチャネル部４０の上流側の端部４４とフィン部５０の上流側の端部５４とは、熱交換器１０の縦方向すなわち後端線Ｄ上に揃えられている。これによれば、マイクロチャネル部４０が傾斜したものであっても、上述した第一実施形態と同様に、その傾斜したマイクロチャネル部４０に沿ってフィン部５０を容易に配置することができ、その結果、熱交換器１０の製造性を向上させることができる。   The upstream end 44 of the microchannel portion 40 and the upstream end 54 of the fin portion 50 are aligned in the longitudinal direction of the heat exchanger 10, that is, the rear end line D. According to this, even if the microchannel portion 40 is inclined, the fin portion 50 can be easily arranged along the inclined microchannel portion 40, as in the first embodiment described above. As a result, the manufacturability of the heat exchanger 10 can be improved.

（第三実施形態）
次に、第三実施形態について、図１０を参照して説明する。この第三実施形態では、切り起こし部５５の構成が、上述した第二実施形態と異なる。図１０には、フィン部５０に形成された複数の切り起こし部５５のうち、マイクロチャネル部４０の下流側の端部４３の下方にある切り起こし部５５のみを示している。このマイクロチャネル部４０の下流側の端部４３の下方にある切り起こし部５５において、重力方向に対する上側の端部５７は、前端線Ｃ上又は前端線Ｃよりも上流側に位置している。この場合、この切り起こし部５５の上端部５７は、前端線Ｃよりも上流側に位置している。一方、重力方向に対する下側の端部５８は、前端線Ｃ上又は前端線Ｃよりも下流側に位置している。この場合、この切り起こし部５５の下端部５８は、前端線Ｃよりも下流側に位置している。すなわち、マイクロチャネル部４０の下流側の端部４３の下方には、フィン部５０にあって、前端線Ｃを跨ぐようにして風下側へ向って下降傾斜した切り起こし部５５が設けられている。 (Third embodiment)
Next, a third embodiment will be described with reference to FIG. In the third embodiment, the configuration of the cut and raised portion 55 is different from that of the second embodiment described above. FIG. 10 shows only the cut-and-raised portion 55 below the end portion 43 on the downstream side of the microchannel portion 40 among the plurality of cut-and-raised portions 55 formed in the fin portion 50. In the cut and raised portion 55 below the end portion 43 on the downstream side of the microchannel portion 40, the upper end portion 57 with respect to the direction of gravity is located on the front end line C or upstream of the front end line C. In this case, the upper end portion 57 of the cut-and-raised portion 55 is located upstream of the front end line C. On the other hand, the lower end portion 58 with respect to the direction of gravity is located on the front end line C or on the downstream side of the front end line C. In this case, the lower end portion 58 of the cut and raised portion 55 is located on the downstream side of the front end line C. That is, below the end portion 43 on the downstream side of the microchannel portion 40, a cut-and-raised portion 55 that is in the fin portion 50 and is inclined downward toward the leeward side across the front end line C is provided. .

これによれば、マイクロチャネル部４０に結露水が発生し、その結露水が、空気の流れによってマイクロチャネル部４０の下流側の端部４３へ押しやられ、その後該端部４３からフィン部５０へ移動した際、その結露水は該端部４３の下方にある切り起こし部５５によって受けられる。そして、その結露水は、切り起こし部５５を伝って、下方にある他のマイクロチャネル部４０の下流側の端部４３よりもさらに下流側へ導かれ、その後フィン部５０から落下する。したがって、切り起こし部５５を伝ってフィン部５０から落下した結露水が、下方にある他のマイクロチャネル部４０に付着することをより効果的に回避できる。その結果、マイクロチャネル部４０に発生した結露水をさらに効率よく除去することができる。   According to this, dew condensation water is generated in the microchannel portion 40, and the dew condensation water is pushed to the downstream end portion 43 of the microchannel portion 40 by the air flow, and then from the end portion 43 to the fin portion 50. When moved, the condensed water is received by the cut-and-raised portion 55 below the end portion 43. Then, the condensed water is guided to the downstream side of the downstream end portion 43 of the other microchannel portion 40 below along the cut and raised portion 55, and then falls from the fin portion 50. Therefore, it is possible to more effectively avoid the condensed water that has fallen from the fin portion 50 through the cut and raised portion 55 and adheres to the other microchannel portion 40 below. As a result, the condensed water generated in the microchannel part 40 can be removed more efficiently.

そして、第二実施形態と同様に、マイクロチャネル部４０の上流側の端部４４とフィン部５０の上流側の端部５４とは、熱交換器１０の縦方向すなわち後端線Ｄ上に揃えられている。これによれば、熱交換器１０を組み立てる際、上述の治具１１０などを用いることによって、複数のマイクロチャネル部４０と複数のフィン部５０との相対的な位置関係を容易に決定することができる。すなわち、フィン部５０に設けた切り起こし部５５を、精度よくマイクロチャネル部４０の下流側の端部４３の下方に位置させることができ、その結果、熱交換器１０の製造性を向上させることができる。   As in the second embodiment, the upstream end portion 44 of the microchannel portion 40 and the upstream end portion 54 of the fin portion 50 are aligned in the longitudinal direction of the heat exchanger 10, that is, the rear end line D. It has been. According to this, when the heat exchanger 10 is assembled, the relative positional relationship between the plurality of microchannel portions 40 and the plurality of fin portions 50 can be easily determined by using the jig 110 described above. it can. That is, the cut-and-raised portion 55 provided in the fin portion 50 can be accurately positioned below the downstream end portion 43 of the microchannel portion 40, and as a result, the manufacturability of the heat exchanger 10 is improved. Can do.

以上説明した実施形態によれば、複数のマイクロチャネル部は、相互に離間し、外部から供給される空気が流れる方向に対して上流側が高く下流側が低くなるように傾斜している。複数のフィン部は、隣り合う二つのマイクロチャネル部の間にあってマイクロチャネル部に接触して設けられている。そして、外部から供給される空気が流れる方向における上流側又は下流側の少なくともいずれか一方において、フィン部の端部が、各マイクロチャネル部の端部を繋いだ線上に位置している。
これによれば、マイクロチャネル部を傾斜させて結露水の除去性能を向上させたものであっても、傾斜したマイクロチャネル部に沿ってフィン部を容易に配置することができ、これにより熱交換器の製造性を向上させることができる。 According to the embodiment described above, the plurality of microchannel portions are spaced apart from each other and are inclined such that the upstream side is high and the downstream side is low with respect to the direction in which air supplied from the outside flows. The plurality of fin portions are provided between two adjacent microchannel portions and in contact with the microchannel portions. Then, at least one of the upstream side and the downstream side in the direction in which the air supplied from the outside flows, the end portion of the fin portion is positioned on a line connecting the end portions of the microchannel portions.
According to this, even if the microchannel portion is inclined to improve the dew condensation water removal performance, the fin portion can be easily disposed along the inclined microchannel portion, thereby heat exchange. The productivity of the vessel can be improved.

本発明のいくつかの実施形態を説明したが、これらの実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。これら新規な実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。これら実施形態やその変更は、発明の範囲や要旨に含まれるとともに、特許請求の範囲に記載された発明とその均等の範囲に含まれる。   Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and equivalents thereof.

図面中、１０は熱交換器、４０はマイクロチャネル部、４１は冷媒流路（流路）、４３はマイクロチャネル部の下流側の端部、４４はマイクロチャネル部の上流側の端部、５０はフィン部、５３はフィン部の下流側の端部、５４はフィン部の上流側の端部、５５は切り起こし部、５７は切り起こし部の上側の端部、５８は切り起こし部の下側の端部、Ｃは前端線、Ｄは後端線を示す。   In the drawing, 10 is a heat exchanger, 40 is a microchannel part, 41 is a refrigerant flow path (flow path), 43 is an end part on the downstream side of the microchannel part, 44 is an end part on the upstream side of the microchannel part, 50 Is a fin end, 53 is a downstream end of the fin, 54 is an upstream end of the fin, 55 is a cut and raised portion, 57 is an upper end of the cut and raised portion, and 58 is under the cut and raised portion. A side end portion, C indicates a front end line, and D indicates a rear end line.

Claims (3)

板状に構成され内部に冷媒が流れる複数の流路を有し、相互に離間するとともに外部から供給される空気が流れる方向に対して上流側が高く下流側が低くなるように傾斜して設けられた複数のマイクロチャネル部と、
隣り合う二つの前記マイクロチャネル部の間にあって前記各マイクロチャネル部に接触して設けられた複数のフィン部と、を備え、
前記空気が流れる方向における上流側又は下流側の少なくともいずれか一方において、前記フィン部の端部が、前記各マイクロチャネル部の端部を繋いだ線上に位置している空気調和装置の熱交換器。 It has a plate-like structure and has a plurality of flow paths through which refrigerant flows, and is inclined so that the upstream side is high and the downstream side is low with respect to the direction in which the air supplied from the outside flows. A plurality of microchannel portions;
A plurality of fin portions provided between two adjacent microchannel portions and in contact with each microchannel portion, and
A heat exchanger of an air conditioner in which at least one of the upstream side and the downstream side in the air flow direction, the end portion of the fin portion is located on a line connecting the end portions of the microchannel portions. . 前記フィン部の下流側の端部は、前記各マイクロチャネル部の下流側の端部を繋いだ前端線よりも下流側にあって、
前記フィン部の上流側の端部は、前記各マイクロチャネル部の上流側の端部を繋いだ後端線上に位置している請求項１に記載の空気調和装置の熱交換器。 The downstream end of the fin portion is on the downstream side of the front end line connecting the downstream ends of the microchannel portions,
The heat exchanger of the air conditioner according to claim 1, wherein an upstream end portion of the fin portion is located on a rear end line connecting the upstream end portions of the microchannel portions. 前記フィン部は、前記空気が流れる方向に対して直交する方向へ突出した切り起こし部を有し、
前記切り起こし部の重力方向に対する上側の端部は、前記前端線上又は前記前端線よりも上流側に位置し、前記切り起こし部の重力方向に対する下側の端部は、前記前端線上又は前記前端線よりも下流側に位置している請求項２に記載の空気調和装置の熱交換器。 The fin portion has a cut-and-raised portion protruding in a direction perpendicular to the direction in which the air flows,
The upper end of the cut and raised portion with respect to the gravitational direction is located on the front end line or upstream of the front end line, and the lower end of the cut and raised portion with respect to the gravitational direction is on the front end line or the front end. The heat exchanger of the air conditioning apparatus according to claim 2, which is located downstream of the line.
JP2013008347A 2013-01-21 2013-01-21 Heat exchanger of air conditioner Pending JP2014139493A (en)

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