JP2002195774A - Air heat exchanger - Google Patents
Air heat exchangerInfo
- Publication number
- JP2002195774A JP2002195774A JP2000388350A JP2000388350A JP2002195774A JP 2002195774 A JP2002195774 A JP 2002195774A JP 2000388350 A JP2000388350 A JP 2000388350A JP 2000388350 A JP2000388350 A JP 2000388350A JP 2002195774 A JP2002195774 A JP 2002195774A
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- corrugated fins
- air heat
- heat transfer
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- 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
- F28D2001/0273—Cores having special shape, e.g. curved, annular
Landscapes
- 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
Description
【０００１】[0001]
【発明の属する技術分野】この出願の発明は、扁平伝熱
管およびコルゲートフィンを備えた積層型の空気熱交換
器の構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laminated air heat exchanger having flat heat transfer tubes and corrugated fins.
【０００２】[0002]
【従来の技術】最近では、扁平伝熱管およびコルゲート
フィンを備えた所謂積層型の空気熱交換器を、例えば空
気調和機用の熱交換器に採用することが検討されてい
る。2. Description of the Related Art Recently, it has been studied to adopt a so-called laminated air heat exchanger having flat heat transfer tubes and corrugated fins, for example, as a heat exchanger for an air conditioner.
【０００３】そのような扁平伝熱管およびコルゲートフ
ィンを備えた一般的な空気熱交換器の全体および各部の
構造を、例えば図８〜図１３に示す。FIGS. 8 to 13 show the entire structure of a general air heat exchanger provided with such a flat heat transfer tube and corrugated fins and each part.
【０００４】該空気熱交換器１０は、先ず図８および図
９に示すように、冷媒が導入、導出されるパイプ状の上
下ヘッダ１２Ａ，１２Ｂと、該上下ヘッダ１２Ａ，１２
Ｂ間に連通状態で、かつその長手方向に相互に所定の間
隔を保って並設された複数本の扁平伝熱管１，１・・・
と、該複数本の扁平伝熱管１，１・・・間の上下方向に
略Ｓ字形に連続して屈曲した状態で配設され、その屈曲
面外端を対応する両隣りの扁平伝熱管１，１・・・の扁
平伝熱面に熱溶着されたコルゲートフィン１１，１１・
・・とからなっている。As shown in FIGS. 8 and 9, first, the air heat exchanger 10 includes pipe-shaped upper and lower headers 12A and 12B through which a refrigerant is introduced and discharged, and upper and lower headers 12A and 12B.
B, and a plurality of flat heat transfer tubes 1, 1...
And the plurality of flat heat transfer tubes 1, 1... Are continuously bent in a vertical direction in a substantially S-shape, and the outer ends of the bent surfaces thereof correspond to the corresponding flat heat transfer tubes 1. Corrugated fins 11, 11
・ ・ It consists of
【０００５】上記扁平伝熱管１，１・・・は、例えば図
１０〜図１２に示すように、その内側幅方向に隔壁を介
して区画並設された断面方形の複数の冷媒流通穴２，２
・・・を有する多穴構造となっており、上記上部ヘッダ
１２Ａ又は下部ヘッダ１２Ｂを介して外部冷媒配管７又
は８より導入分配された冷媒を各冷媒流通穴２，２・・
・内の上方から下方又は下方から上方に均等に流し、そ
の扁平面および上記コルゲートフィン１１，１１・・・
のフィン面を介して可及的に広い伝熱面積で内部の冷媒
と外部の空気との間で効率の良い熱交換を行うようにな
っている。The flat heat transfer tubes 1, 1..., As shown in, for example, FIGS. 2
, And the refrigerant introduced and distributed from the external refrigerant pipe 7 or 8 via the upper header 12A or the lower header 12B is supplied to each of the refrigerant circulation holes 2, 2,.
··· Evenly flow from above to below or from below to above, the flat surface thereof and the corrugated fins 11, 11,...
The heat exchange between the internal refrigerant and the external air is performed efficiently with a heat transfer area as large as possible via the fin surface.
【０００６】また、上記コルゲートフィン１１，１１・
・・は、例えば図１２および図１３に詳細に示すよう
に、その屈曲部（折り曲げ部）を除く扁平面部分であっ
て、加工上形成される中央の扁平面部分を中心として空
気流の上流側部から下流側部分に空気との伝熱効率を向
上させるための複数の切り起し片（ルーバー）１１ａ，
１１ａ・・・が形成されており、該切り起し片１１ａ，
１１ａ・・・によって可及的に上記冷媒と空気との間の
熱交換性能が高くなるように構成されている。Further, the corrugated fins 11, 11.
.. Is a flat portion excluding the bent portion (bent portion) thereof, as shown in detail in FIGS. 12 and 13, for example, and upstream of the airflow around a central flat portion formed in processing. A plurality of cut-and-raised pieces (louvers) 11a for improving heat transfer efficiency with air from a side portion to a downstream portion,
11a are formed, and the cut and raised pieces 11a,
11a, the heat exchange performance between the refrigerant and the air is increased as much as possible.
【０００７】そして、該構成の空気熱交換器１０では、
例えば凝縮器の時には、上記外部冷媒配管７を介して導
入された冷媒を上記上部ヘッダ１２Ａを介して各扁平伝
熱管１，１・・・の上方から下方に可及的均等に分配し
て流し、下部ヘッダ１２Ｂで受けて外部冷媒配管８から
導出するようになっている。一方、蒸発器の時には、こ
れと逆方向に冷媒が流される。[0007] In the air heat exchanger 10 having the above structure,
For example, in the case of a condenser, the refrigerant introduced via the external refrigerant pipe 7 is distributed as uniformly as possible from above to below the flat heat transfer tubes 1, 1... Via the upper header 12A. , Which are received by the lower header 12B and led out of the external refrigerant pipe 8. On the other hand, in the case of the evaporator, the refrigerant flows in the opposite direction.
【０００８】このような積層型の空気熱交換器は、扁平
伝熱管１，１・・・部分が空気流通方向に扁平で長さが
長く、それらの間に設けられるコルゲートフィン１１，
１１・・・の幅も空気流通方向に十分に広く取ることが
できる。また、アルミ等で容易に形成することができ
る。In such a laminated air heat exchanger, the flat heat transfer tubes 1, 1... Are flat and long in the direction of air flow, and the corrugated fins 11, provided between them.
11 can also be made sufficiently wide in the air flow direction. Further, it can be easily formed of aluminum or the like.
【０００９】したがって、低圧損、高熱交換性能で、し
かも低コストかつコンパクトに形成することができる。Therefore, it can be formed with low pressure loss, high heat exchange performance, low cost and compactness.
【００１０】[0010]
【発明が解決しようとする課題】ところで、同積層型の
空気熱交換器１０を例えば空気調和機の蒸発器や凝縮器
として採用しようとした場合、その熱交換能力とコンパ
クト性の両立を図る見地から、例えば図１４および図１
５に示すように、その全体を円弧面形状に曲成させる必
要がある場合が多い。When the laminated air heat exchanger 10 is to be used, for example, as an evaporator or a condenser of an air conditioner, the heat exchange capacity and the compactness must be compatible. From FIG. 14 and FIG.
As shown in FIG. 5, it is often necessary to bend the whole into an arcuate surface shape.
【００１１】ところが、上記図１０の拡大図から明らか
なように、同空気熱交換器１０の場合、扁平伝熱管１，
１・・・は各々相互に等間隔で平行に並設され、それら
の間に前後等幅のコルゲートフィン１１，１１・・・が
介装接合されている訳であるから、これをそのまま図１
４のように曲成すると、例えば図１５に示すように、そ
の時の応力の作用に応じて所定の位置のコルゲートフィ
ン１１，１１・・・が三角形状に座屈変形した好ましく
ない形状のものとなってしまう。However, as is apparent from the enlarged view of FIG. 10, in the case of the air heat exchanger 10, the flat heat transfer tubes 1 and
Are arranged in parallel at equal intervals, and corrugated fins 11, 11,... Of the same width in the front and rear are interposed between them.
When it is bent as shown in FIG. 4, for example, as shown in FIG. 15, the corrugated fins 11, 11,... turn into.
【００１２】そして、このような場合、同部分両側の扁
平伝熱管１，１、１，１の一端側同士が相互に当接し、
空気通路を閉塞することになって、折角の高い熱交換性
能を低下させてしまう。In such a case, one ends of the flat heat transfer tubes 1, 1, 1, 1 on both sides of the same portion abut against each other,
As a result, the air passage is closed, and the heat exchange performance with a high angle is reduced.
【００１３】また、このように曲成させたのでは、全体
として連続した一定曲率の曲げ変形を生じさせることは
できないので、必然的に熱交換領域の偏流を生じさせ
る。[0013] Further, since the bending is not performed as described above, it is not possible to generate a bending deformation having a constant curvature as a whole, and thus necessarily causes a drift in the heat exchange region.
【００１４】それらの結果、大きく熱交換能力を低下さ
せる問題がある。As a result, there is a problem that the heat exchange capacity is greatly reduced.
【００１５】また、上記図８〜図１３のような空気熱交
換器１０を空気調和機等の蒸発器として採用した場合、
上記扁平伝熱管１，１・・・およびコルゲートフィン１
１，１１・・・の表面で生じた凝縮水が、例えば図１６
に示すように、コルゲートフィン１１，１１・・・の表
裏両面を覆って蛇行することになり、コルゲートフィン
１１，１１・・・の伝熱性能を大きく低下させる問題も
ある。When the air heat exchanger 10 shown in FIGS. 8 to 13 is adopted as an evaporator for an air conditioner or the like,
.. And the corrugated fin 1
The condensed water generated on the surfaces of 1, 11,...
As shown in (1), the corrugated fins 11, 11,... Meander over both front and back surfaces, and there is a problem that the heat transfer performance of the corrugated fins 11, 11,.
【００１６】本願発明は、これらの課題を解決するため
になされたもので、コルゲートフィンを内外周方向に分
割することによりスムーズな曲げ変形を可能にするとと
もに、それらの間に隙間を設けることにより凝縮水の落
下を促進するようにした空気熱交換器を提供することを
目的とするものである。The present invention has been made in order to solve these problems. By dividing the corrugated fins in the inner and outer peripheral directions, smooth bending deformation is enabled, and a gap is provided between them. It is an object of the present invention to provide an air heat exchanger that facilitates the fall of condensed water.
【００１７】[0017]
【課題を解決するための手段】本願発明は、上記の課題
を解決するために、次のような課題解決手段を備えて構
成されている。The present invention is provided with the following means for solving the above-mentioned problems.
【００１８】（１） 請求項１の発明 この発明の空気熱交換器は、冷媒が導入、導出されるパ
イプ状の上下ヘッダ１２Ａ，１２Ｂと、該上下ヘッダ１
２Ａ，１２Ｂ間に連通状態で、かつその長手方向に相互
に所定の間隔を保って並設された複数本の扁平伝熱管
１，１・・・と、該複数本の扁平伝熱管１，１・・・間
の上下方向に配設されたコルゲートフィン１１，１１・
・・とからなる空気熱交換器において、上記コルゲート
フィン１１，１１・・・を内外周方向に複数枚のコルゲ
ートフィン１１Ａ，１１Ａ・・・、１１Ｂ，１１Ｂ・・
・に分割したことを特徴としている。(1) The air heat exchanger according to the present invention comprises pipe-shaped upper and lower headers 12A and 12B through which a refrigerant is introduced and discharged, and the upper and lower headers 1A and 12B.
A plurality of flat heat transfer tubes 1, 1... Arranged in communication with each other at predetermined intervals in the longitudinal direction thereof between the 2A and 12B, and the plurality of flat heat transfer tubes 1, 1. ... Corrugated fins 11, 11 arranged vertically in between
.., The corrugated fins 11, 11,..., 11 A, 11 A, 11 B, 11 B,.
・ It is characterized by being divided into
【００１９】このように、複数本の扁平伝熱管１，１・
・・間のコルゲートフィン１１，１１・・・を、内外周
方向に複数枚のコルゲートフィン１１Ａ，１１Ａ・・
・、１１Ｂ，１１Ｂ・・・に分割すると、各コルゲート
フィン部分の前後方向の幅が小さくなり、曲げ変形時の
応力変形、ストレスも小さくなるので、従来のような部
分的な座屈を生じることなく、全体を一定の曲率でスム
ーズに曲げることができるようになる。As described above, the plurality of flat heat transfer tubes 1, 1.
.. the corrugated fins 11, 11... Between the plurality of corrugated fins 11A, 11A.
When divided into 11B, 11B, 11B, etc., the width of each corrugated fin portion in the front-rear direction is reduced, and the stress deformation and stress at the time of bending deformation are also reduced. Instead, the whole can be smoothly bent at a constant curvature.
【００２０】また、このようにコルゲートフィン１１
Ａ，１１Ａ・・・、１１Ｂ，１１Ｂ・・・が複数枚に分
割されると、その分フィン部の前縁効果も高くなるの
で、熱交換性能は更に有効に向上することになる。Also, as described above, the corrugated fin 11
A, 11A,..., 11B, 11B,... Are divided into a plurality of sheets, so that the leading edge effect of the fin portion is increased accordingly, so that the heat exchange performance is further effectively improved.
【００２１】（２） 請求項２の発明 この発明の空気熱交換器は、上記請求項１記載の発明の
空気熱交換器の構成において、上記複数枚のコルゲート
フィン１１Ａ，１１Ａ・・・、１１Ｂ，１１Ｂ・・・の
フィンピッチは、曲げ変形後に内周側となるもののフィ
ンピッチの方を大きく形成していることを特徴としてい
る。(2) The air heat exchanger according to the second aspect of the present invention is the air heat exchanger according to the first aspect, wherein the plurality of corrugated fins 11A, 11A,. , 11B,... Are characterized by having a larger fin pitch on the inner peripheral side after bending deformation.
【００２２】このようにすると、曲げ変形時に内周側の
コルゲートフィン１１Ｂ，１１Ｂ・・・が曲げ易くなる
結果、全体としても、よりスムーズな曲げ変形が可能と
なる。In this manner, the corrugated fins 11B, 11B... On the inner peripheral side are easily bent at the time of bending deformation, and as a result, smoother bending deformation is possible as a whole.
【００２３】（３） 請求項３の発明 この発明の空気熱交換器は、上記請求項１又は２の発明
の空気熱交換器の構成において、上記複数枚のコルゲー
トフィン１１Ａ，１１Ａ・・・、１１Ｂ，１１Ｂ・・・
の間には、所定寸法の隙間Ｇが設けられていることを特
徴としている。(3) The air heat exchanger according to the third aspect of the present invention is the air heat exchanger according to the first or second aspect, wherein the plurality of corrugated fins 11A, 11A,. 11B, 11B ...
A gap G having a predetermined dimension is provided between the gaps.
【００２４】したがって、このような構成によると、当
該空気熱交換器１０を空気調和機等の蒸発器として採用
した場合にも、扁平伝熱管１，１・・・およびコルゲー
トフィン１１Ａ，１１Ａ・・・、１１Ｂ，１１Ｂ・・・
の表面で生じた凝縮水を、コルゲートフィン１１Ａ，１
１Ａ・・・と１１Ｂ，１１Ｂ・・・との間の隙間から速
やかに下方に流下させることができ、従来のような表裏
両面を覆って蛇行することによるコルゲートフィンの伝
熱性能低下の問題を有効に解消することができる。Therefore, according to such a configuration, even when the air heat exchanger 10 is employed as an evaporator of an air conditioner or the like, the flat heat transfer tubes 1, 1,... And the corrugated fins 11A, 11A,. ..., 11B, 11B ...
The condensed water generated on the surface of the corrugated fin 11A, 1
1A... And 11B, 11B... Can quickly flow downward, and the problem of the deterioration of the heat transfer performance of the corrugated fin caused by meandering by covering both the front and back surfaces as in the related art can be solved. It can be effectively eliminated.
【００２５】[0025]
【発明の効果】以上の結果、本願発明の空気熱交換器に
よると、空気調和機に適した形状の高性能の空気熱交換
器を低コストで提供することが可能となる。As described above, according to the air heat exchanger of the present invention, a high-performance air heat exchanger having a shape suitable for an air conditioner can be provided at low cost.
【００２６】[0026]
【発明の実施の形態】（実施の形態１）図１〜図５は、
本願発明の実施の形態１に係る空気熱交換器の全体およ
び各部の構成を示している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (Embodiment 1) FIGS.
1 shows the entirety of an air heat exchanger according to Embodiment 1 of the present invention and the configuration of each unit.
【００２７】該空気熱交換器１は、例えば図１に示すよ
うに、図示しない外部冷媒配管を介して冷媒が導入、導
出されるパイプ状の上下ヘッダ１２Ａ，１２Ｂと、該上
下ヘッダ１２Ａ，１２Ｂ間に連通状態で、かつその長手
方向に相互に所定の間隔を保って並設された複数本の扁
平伝熱管１，１・・・と、該複数本の扁平伝熱管１，１
・・・間の上下方向に略扁平なＳ字形に連続して屈曲し
た状態で配設され、その屈曲面外端を対応する両隣りの
扁平伝熱管１，１・・・の扁平伝熱面に熱溶着された図
４、図５に示す第１，第２の前後２枚（内外周方向に２
枚）のコルゲートフィン１１Ａ，１１Ａ・・・、１１
Ｂ，１１Ｂ・・・とからなっている。As shown in FIG. 1, for example, the air heat exchanger 1 includes pipe-shaped upper and lower headers 12A and 12B through which a refrigerant is introduced and discharged via an external refrigerant pipe (not shown), and upper and lower headers 12A and 12B. .., And a plurality of flat heat transfer tubes 1, 1... Arranged in parallel with each other at a predetermined interval in a longitudinal direction thereof in a communicating state between the flat heat transfer tubes 1, 1.
... arranged in a state of being bent continuously in a substantially flat S-shape in the vertical direction between the flat heat transfer surfaces of the adjacent flat heat transfer tubes 1, 1... The first and second front and rear two sheets shown in FIG. 4 and FIG.
) Of corrugated fins 11A, 11A..., 11
B, 11B...
【００２８】そして、上記扁平伝熱管１，１・・・は、
例えば前述の従来例のものと同様に、それぞれその内側
幅方向に隔壁を介して区画並設された断面方形の複数の
冷媒流通穴２，２・・・を有する多穴構造となってお
り、上記上部ヘッダ１２Ａ又は下部ヘッダ１２Ｂを介し
て外部冷媒配管（図示省略）より導入分配された冷媒を
各冷媒流通穴２，２・・・内の上方から下方又は下方か
ら上方に各々均等に流し、その扁平面全体および上記コ
ルゲートフィン１１，１１・・・のフィン面全体を介し
て広い伝熱面積で内部の冷媒と外部の空気との間で効率
の良い熱交換を行うようになっている。The flat heat transfer tubes 1, 1...
For example, similarly to the above-described conventional example, each has a multi-hole structure having a plurality of coolant passage holes 2, 2... The refrigerant introduced and distributed from an external refrigerant pipe (not shown) via the upper header 12A or the lower header 12B flows uniformly from above or below from above in each of the refrigerant circulation holes 2, 2,. Through the entire flat surface and the entire fin surface of the corrugated fins 11, 11,..., Heat is efficiently exchanged between the internal refrigerant and the external air over a wide heat transfer area.
【００２９】また、上記第１，第２のコルゲートフィン
１１Ａ，１１Ａ・・・、１１Ｂ，１１Ｂ・・・は、図４
と図５の対比から明らかなように、例えば図１および図
２に示すように曲成された場合において、その内周側に
位置するようになる第２のコルゲートフィン１１Ｂ，１
１Ｂ・・・の方のフィンピッチを外周側に位置する第１
のコルゲートフィン１１Ａ，１１Ａ・・・のフィンピッ
チよりも所定寸法大きくして形成されている。そして、
それぞれ従来のものと同様にその屈曲部（折り曲げ部）
を除く扁平面部分であって、加工上形成される中央の扁
平面部分を中心として空気流の上流側部分から下流側部
分に空気との伝熱効率を向上させるための複数の切り起
し片（ルーバー）１１ａ，１１ａ・・・が形成されてお
り、該切り起し片１１ａ，１１ａ・・・によって、それ
ぞれ可及的に上記冷媒と空気との間の熱交換性能が高く
なるように構成されている。The first and second corrugated fins 11A, 11A..., 11B, 11B.
As is clear from the comparison between FIG. 5 and FIG. 5, the second corrugated fins 11B and 1B located on the inner peripheral side when bent as shown in FIGS. 1 and 2, for example.
The first fin pitch of 1B... Is located on the outer peripheral side.
Are larger than the fin pitch of the corrugated fins 11A. And
Each bent part (bent part) like the conventional one
And a plurality of cut-and-raised pieces for improving the heat transfer efficiency with air from the upstream portion to the downstream portion of the air flow around the center flat portion formed by processing. Louvers) 11a, 11a,... Are formed so that the cut-and-raised pieces 11a, 11a. ing.
【００３０】したがって、本実施の形態の空気熱交換器
の場合、当該空気熱交換器本体１０を図１のように曲成
する場合、上記フィンピッチの大きい第２のコルゲート
フィン１１Ｂ，１１Ｂ・・・の方を内周側として、図２
のように曲げれば、図１のように一定曲率の連続した円
弧面をなすようにストレスなく所望の形状の熱交換器に
曲成することができ、従来のように部分的な座屈部が生
じて扁平伝熱管１，１による閉塞部が生じる恐れもなく
なる。Therefore, in the case of the air heat exchanger of the present embodiment, when the air heat exchanger body 10 is bent as shown in FIG. 1, the second corrugated fins 11B, 11B,. Fig. 2
When bent as shown in FIG. 1, a heat exchanger having a desired shape can be formed without stress so as to form a continuous arc surface having a constant curvature as shown in FIG. This also eliminates the possibility that the obstruction will occur due to the flat heat transfer tubes 1 and 1.
【００３１】したがって、本実施の形態の構成によれ
ば、従来のコルゲートフィン１１，１１・・・部分を、
第１，第２の２枚（又はそれ以上）のコルゲートフィン
１１Ａ，１１Ａ・・・、１１Ｂ，１１Ｂ・・・に分割す
るだけで、空気調和機に適した所望の曲率のスムーズに
連続した曲面形状の空気熱交換器１０を提供することが
できるようになる。Therefore, according to the configuration of this embodiment, the conventional corrugated fins 11, 11,...
By simply dividing the first and second two (or more) corrugated fins 11A, 11A..., 11B, 11B... Into a smoothly continuous curved surface having a desired curvature suitable for an air conditioner. An air heat exchanger 10 having a shape can be provided.
【００３２】また、以上のようにコルゲートフィン１１
Ａ，１１Ａ・・・、１１Ｂ，１１Ｂ・・・が複数枚に分
割されていて、さらにそれらのフィンピッチが異なって
いると、フィン部の前縁効果も高くなるので、その点か
らも熱交換性能が更に有効に向上することになる。Further, as described above, the corrugated fin 11
A, 11A,..., 11B, 11B,... Are divided into a plurality of sheets, and if the fin pitches thereof are different, the leading edge effect of the fin portion is increased. The performance will be more effectively improved.
【００３３】（実施の形態２）次に図６および図７は、
本願発明の実施の形態２に係る空気熱交換器の構成を示
している。(Embodiment 2) Next, FIG. 6 and FIG.
9 shows a configuration of an air heat exchanger according to Embodiment 2 of the present invention.
【００３４】この実施の形態のものは、図６に示されて
いるように、上述のように従来のコルゲートフィン１
１，１１・・・部分を第１，第２の２枚のコルゲートフ
ィン１１Ａ，１１Ａ・・・、１１Ｂ，１１Ｂ・・・に分
割するのは同一であるが、さらに、それらの間に凝縮水
が下方に流下するのに十分な所定幅の隙間Ｇ設けるよう
にしたことを特徴としている。In this embodiment, as shown in FIG. 6, a conventional corrugated fin 1 is provided as described above.
Are divided into the first and second two corrugated fins 11A, 11A,..., 11B, 11B. Is provided with a gap G having a predetermined width sufficient to flow downward.
【００３５】このように、第１，第２の複数枚のコルゲ
ートフィン１１Ａ，１１Ａ・・・、１１Ｂ，１１Ｂ・・
・の間に、上記のような凝縮水を流下させるのに必要に
して十分な寸法の隙間Ｇがあると、例えば図７に示した
ように、当該空気熱交換器１０を空気調和機用の蒸発器
として構成した時の扁平伝熱管１，１・・・および第
１，第２のコルゲートフィン１１Ａ，１１Ａ・・・、１
１Ｂ，１１Ｂ・・・表面で生じた凝縮水が、同第１，第
２のコルゲートフィン１１Ａ，１１Ａ・・・、１１Ｂ，
１１Ｂ・・・面上を覆って蛇行するようなことなく、早
めにストレートに下方に落下するようになる。Thus, the first and second pluralities of corrugated fins 11A, 11A,..., 11B, 11B,.
If there is a gap G of a size necessary and sufficient to allow the condensed water to flow down as described above, for example, as shown in FIG. 7, the air heat exchanger 10 can be used for an air conditioner. Flat heat transfer tubes 1, 1... And first and second corrugated fins 11A, 11A.
1B, 11B... Condensed water generated on the surface is the first and second corrugated fins 11A, 11A.
11B: Fall down straight down quickly without meandering over the surface.
【００３６】その結果、フィン面の有効伝熱性能が向上
して、熱交換性能が高くなる。As a result, the effective heat transfer performance of the fin surface is improved, and the heat exchange performance is enhanced.
【図１】本願発明の実施の形態１に係る空気熱交換器の
全体構成を示す正面図である。FIG. 1 is a front view showing an overall configuration of an air heat exchanger according to Embodiment 1 of the present invention.
【図２】同熱交換器の上下方向中間部分の構成を示す一
部切欠断面図である。FIG. 2 is a partially cutaway sectional view showing a configuration of an intermediate portion in a vertical direction of the heat exchanger.
【図３】同熱交換器の要部の構成を示す一部切欠斜視図
である。FIG. 3 is a partially cutaway perspective view showing a configuration of a main part of the heat exchanger.
【図４】同熱交換器の第１のコルゲートフィン部分の構
成を示す一部切欠斜視図である。FIG. 4 is a partially cutaway perspective view showing a configuration of a first corrugated fin portion of the heat exchanger.
【図５】同熱交換器の第２のコルゲートフィン部分の構
成を示す一部切欠斜視図である。FIG. 5 is a partially cutaway perspective view showing a configuration of a second corrugated fin portion of the heat exchanger.
【図６】本願発明の実施の形態２に係る空気熱交換器の
要部の構成を示す一部切欠斜視図である。FIG. 6 is a partially cutaway perspective view showing a configuration of a main part of an air heat exchanger according to Embodiment 2 of the present invention.
【図７】同熱交換器の要部の構成と作用を示す縦断面図
である。FIG. 7 is a longitudinal sectional view showing a configuration and an operation of a main part of the heat exchanger.
【図８】従来の空気熱交換器の全体構成を示す斜視図で
ある。FIG. 8 is a perspective view showing the overall configuration of a conventional air heat exchanger.
【図９】同熱交換器の構成を示す平面図である。FIG. 9 is a plan view showing a configuration of the heat exchanger.
【図１０】同熱交換器の要部の構成を示す拡大断面図
（図８のＡ−Ａ線拡大断面図）である。FIG. 10 is an enlarged cross-sectional view (enlarged cross-sectional view taken along line AA of FIG. 8) illustrating a configuration of a main part of the heat exchanger.
【図１１】同熱交換器の要部の構成を示す一部切欠斜視
図である。FIG. 11 is a partially cutaway perspective view showing a configuration of a main part of the heat exchanger.
【図１２】同熱交換器の要部の構成を示す一部切欠断面
図である。FIG. 12 is a partially cutaway sectional view showing a configuration of a main part of the heat exchanger.
【図１３】図１２のＢ−Ｂ線断面図である。FIG. 13 is a sectional view taken along line BB of FIG. 12;
【図１４】同従来の熱交換器を曲成した時の平面図であ
る。FIG. 14 is a plan view when the conventional heat exchanger is bent.
【図１５】同従来の熱交換器の図１４の曲成状態におけ
る要部の断面図である。FIG. 15 is a sectional view of a main part of the conventional heat exchanger in a bent state of FIG. 14;
【図１６】同従来の熱交換器の要部の構成の問題となる
作用を示す断面図である。FIG. 16 is a cross-sectional view showing a problematic operation of a configuration of a main part of the conventional heat exchanger.
１は扁平伝熱管、１０は空気熱交換器、１１Ａは第１の
コルゲートフィン、１１Ｂは第２のコルゲートフィン、
１２Ａは上部ヘッダ、１２Ｂは下部ヘッダ、Ｇは隙間で
ある。1 is a flat heat transfer tube, 10 is an air heat exchanger, 11A is a first corrugated fin, 11B is a second corrugated fin,
12A is an upper header, 12B is a lower header, and G is a gap.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｆ２８Ｆ 3/08 ３１１ Ｆ２８Ｆ 3/08 ３１１ (72)発明者 薮 知宏 大阪府堺市金岡町1304番地 ダイキン工業 株式会社堺製作所金岡工場内 Ｆターム(参考） 3L103 AA01 AA22 AA35 BB38 CC22 CC28 DD03 DD08 DD34 ──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. 7 Identification symbol FI Theme coat ゛ (Reference) F28F 3/08 311 F28F 3/08 311 (72) Inventor Tomohiro Yabu 1304 Kanaokacho, Sakai-shi, Osaka Daikin Industries F-term (reference) at Sakai Seisakusho Kanaoka Plant (reference) 3L103 AA01 AA22 AA35 BB38 CC22 CC28 DD03 DD08 DD34
Claims (3)
ヘッダ（１２Ａ），（１２Ｂ）と、該上下ヘッダ（１２
Ａ），（１２Ｂ）間に連通状態で、かつその長手方向に
相互に所定の間隔を保って並設された複数本の扁平伝熱
管（１），（１）・・・と、該複数本の扁平伝熱管
（１），（１）・・・間の上下方向に配設されたコルゲ
ートフィン（１１），（１１）・・・とからなる空気熱
交換器において、上記コルゲートフィン（１１），（１
１）・・・を内外周方向に複数枚のコルゲートフィン
（１１Ａ），（１１Ａ）・・・、（１１Ｂ），（１１
Ｂ）・・・に分割したことを特徴とする空気熱交換器。1. A pipe-shaped upper and lower headers (12A) and (12B) through which a refrigerant is introduced and discharged, and the upper and lower headers (12B).
A), a plurality of flat heat transfer tubes (1), (1)... Which are communicated between (A) and (12B) and are arranged side by side at predetermined intervals in the longitudinal direction thereof; , The corrugated fins (11), (11) arranged vertically in between the flat heat transfer tubes (1), (1),. , (1
1) are corrugated fins (11A), (11A)..., (11B), (11)
B) An air heat exchanger characterized by being divided into:
（１１Ａ）・・・、（１１Ｂ），（１１Ｂ）・・・のフ
ィンピッチは、曲げ変形後に内周側となるもののフィン
ピッチの方を大きく形成していることを特徴とする請求
項１記載の空気熱交換器。2. A plurality of corrugated fins (11A),
The fin pitch of (11A)..., (11B), (11B)... Is formed on the inner peripheral side after bending deformation, but the fin pitch is formed larger. Air heat exchanger.
Ａ），（１１Ａ）・・・、（１１Ｂ），（１１Ｂ）・・
・の間には、所定寸法の隙間（Ｇ）が設けられているこ
とを特徴とする請求項１又は２記載の空気熱交換器。3. The plurality of corrugated fins (11)
A), (11A) ..., (11B), (11B) ...
3. The air heat exchanger according to claim 1, wherein a gap (G) having a predetermined dimension is provided between the gaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000388350A JP4513207B2 (en) | 2000-12-21 | 2000-12-21 | Air heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000388350A JP4513207B2 (en) | 2000-12-21 | 2000-12-21 | Air heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002195774A true JP2002195774A (en) | 2002-07-10 |
| JP4513207B2 JP4513207B2 (en) | 2010-07-28 |
Family
ID=18855099
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000388350A Expired - Fee Related JP4513207B2 (en) | 2000-12-21 | 2000-12-21 | Air heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4513207B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013139971A (en) * | 2012-01-06 | 2013-07-18 | Mitsubishi Electric Corp | Heat exchanger, indoor machine, and outdoor machine |
| WO2015158176A1 (en) * | 2014-04-16 | 2015-10-22 | 杭州三花微通道换热器有限公司 | Fins and bent heat exchanger with same |
| KR20180028836A (en) * | 2016-09-09 | 2018-03-19 | 현대자동차주식회사 | Water-cooled egr cooler |
| US9939208B2 (en) | 2014-03-24 | 2018-04-10 | Denso Corporation | Heat exchanger |
| WO2020039547A1 (en) * | 2018-08-23 | 2020-02-27 | 三菱電機株式会社 | Heat exchanger unit, and refrigeration cycle device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013139971A (en) * | 2012-01-06 | 2013-07-18 | Mitsubishi Electric Corp | Heat exchanger, indoor machine, and outdoor machine |
| US9939208B2 (en) | 2014-03-24 | 2018-04-10 | Denso Corporation | Heat exchanger |
| WO2015158176A1 (en) * | 2014-04-16 | 2015-10-22 | 杭州三花微通道换热器有限公司 | Fins and bent heat exchanger with same |
| KR20170019340A (en) * | 2014-04-16 | 2017-02-21 | 산화(항저우) 마이크로 채널 히트 익스체인저 컴퍼니 리미티드 | Fins and bent heat exchanger with same |
| JP2017511461A (en) * | 2014-04-16 | 2017-04-20 | 杭州三花▲微▼通道▲換▼▲熱▼▲器▼有限公司 | Folding heat exchanger with fins and fins |
| JP2019052841A (en) * | 2014-04-16 | 2019-04-04 | 杭州三花▲微▼通道▲換▼▲熱▼▲器▼有限公司Ｓａｎｈｕａ（Ｈａｎｇｈｏｕ）Ｍｉｃｒｏ Ｃｈａｎｎｅｌ Ｈｅａｔ Ｅｘｃｈａｎｇｅｒ Ｃｏ．，Ｌｔｄ． | Fine and foldable heat exchanger comprising fin |
| US10539374B2 (en) | 2014-04-16 | 2020-01-21 | Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | Fin and bending type heat exchanger having the fin |
| KR102130879B1 (en) * | 2014-04-16 | 2020-07-06 | 산화(항저우) 마이크로 채널 히트 익스체인저 컴퍼니 리미티드 | Fins and bent heat exchanger with same |
| KR20180028836A (en) * | 2016-09-09 | 2018-03-19 | 현대자동차주식회사 | Water-cooled egr cooler |
| WO2020039547A1 (en) * | 2018-08-23 | 2020-02-27 | 三菱電機株式会社 | Heat exchanger unit, and refrigeration cycle device |
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|---|---|
| JP4513207B2 (en) | 2010-07-28 |
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