JP2002106953A - Heat exchanger for air-conditioning with cross flow fan and method of producing the same - Google Patents
Heat exchanger for air-conditioning with cross flow fan and method of producing the sameInfo
- Publication number
- JP2002106953A JP2002106953A JP2000297638A JP2000297638A JP2002106953A JP 2002106953 A JP2002106953 A JP 2002106953A JP 2000297638 A JP2000297638 A JP 2000297638A JP 2000297638 A JP2000297638 A JP 2000297638A JP 2002106953 A JP2002106953 A JP 2002106953A
- Authority
- JP
- Japan
- Prior art keywords
- core
- flow fan
- flat
- cross
- heat exchanger
- 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.)
- Pending
Links
Classifications
-
- 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
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0471—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits having a non-circular cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
- F28D1/0478—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag the conduits having a non-circular cross-section
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、空調用熱交換器の
室内機として使用されるものに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner used as an indoor unit of a heat exchanger.
【０００２】[0002]
【従来の技術】室内機として用いられる空調用熱交換器
は、従来図７及び図８に示すように形成されていた。こ
れはクロスフローファン２の外周にスタックドフィン型
熱交換器を配置するものである。即ち、多数の細長いプ
レートフィンを小隙を有して並列させ、夫々のチューブ
挿通孔にチューブを挿通し、その開口端間をＵベンドチ
ューブで連結して蛇行状の冷媒流路を構成し、全体が平
板状のスタックドフィン型熱交換器を複数制作する。2. Description of the Related Art An air-conditioning heat exchanger used as an indoor unit has conventionally been formed as shown in FIGS. This is one in which a stacked fin heat exchanger is arranged on the outer periphery of the cross flow fan 2. That is, a number of elongated plate fins are arranged side by side with a small gap, a tube is inserted into each tube insertion hole, and the open ends thereof are connected with a U-bend tube to form a meandering refrigerant flow path, Produce multiple stacked fin heat exchangers, all of which are flat.
【０００３】そして、各スタックドフィン型熱交換器を
クロスフローファンの回りを取り囲むように配置し、互
いの冷媒流路を順に連結したものである。そして各スタ
ックドフィン型熱交換器のチューブ内に気液二相状態の
冷媒を流通させると共に、クロスフローファンを回転さ
せ、各スタックドフィン型熱交換器の外面側から被冷却
用の空気流13を流入し、各スタックドフィン型熱交換器
の平板コア10によってその空気流13冷却して、ケーシン
グ８の下部側開口からそれを流出させていた。[0003] Each of the stacked fin type heat exchangers is arranged so as to surround the cross flow fan, and the respective refrigerant flow paths are connected in order. The refrigerant in the gas-liquid two-phase state is allowed to flow through the tubes of each stacked fin type heat exchanger, and the cross flow fan is rotated, so that the air flow to be cooled flows from the outer surface side of each stacked fin type heat exchanger. 13, the airflow 13 was cooled by the flat core 10 of each stacked fin type heat exchanger, and the airflow 13 was discharged from the lower opening of the casing 8.
【０００４】[0004]
【発明が解決しようとする課題】スタックドフィン型熱
交換器からなる複数の平板コア10をクロスフローファン
２の外周に配置した従来型の空調用熱交換器は、各平板
コア10に流入する空気流13の流通方向および流量は異な
ると共に、１つの平板コア10に対しても各部で空気の流
入量が異なる。そのため、各平板コア10の熱交換性能を
充分に引き出せない欠点がある。それと共に、制作及び
組立てが面倒で部品点数が多くなる欠点があった。そこ
で本発明は、係る課題を解決することを目的とする。A conventional air-conditioning heat exchanger in which a plurality of flat cores 10 composed of stacked fin heat exchangers are arranged on the outer periphery of the cross flow fan 2 flows into each flat core 10. The flow direction and the flow rate of the air flow 13 are different, and the inflow amount of air is also different in each part with respect to one flat core 10. Therefore, there is a disadvantage that the heat exchange performance of each flat core 10 cannot be sufficiently brought out. At the same time, there is a disadvantage that production and assembly are troublesome and the number of parts increases. Therefore, an object of the present invention is to solve such a problem.
【０００５】[0005]
【課題を解決するための手段】請求項１に記載の本発明
は、多数の細長いブレード(1) の夫々が、その軸線の回
りの同一円周上に互いに離間して配置され、全体が筒状
に形成されるクロスフローファン(2) と、夫々の平坦面
が対向して並列された多数の偏平チューブ(3) および、
各偏平チューブ(3) の対向平坦面間に接合されたコルゲ
ートフィン(5) を有するコアと、互いに平行に離間して
配置され、夫々の偏平チューブ(3) の両端が液密に連通
する一対のヘッダ(4) と、を具備し、そのコアが、その
厚み方向に外力を加えて塑性変形され、夫々の偏平チュ
ーブ(3) はその平坦面を保った状態でそれに平行な面内
に変形され、コア全体が横断面Ｃ字状に湾曲形成され
て、曲げコア(6) が構成されてなり、その曲げコア(6)
が前記クロスフローファン(2) の半径方向外方に位置さ
れて、その曲げコア(6) の内周面の各部とクロスフロー
ファン(2) の外周面とが、略等距離に配置されたクロス
フローファンを有する空調用熱交換器である。SUMMARY OF THE INVENTION According to the present invention, a plurality of elongated blades (1) are arranged at a distance from each other on the same circumference around an axis thereof, and the entirety of the cylinder is formed as a cylinder. Cross-flow fan (2) formed in a shape, a number of flat tubes (3) with their flat surfaces facing each other and
A core having corrugated fins (5) joined between opposed flat surfaces of each flat tube (3), and a pair of cores arranged parallel to and separated from each other, and both ends of each flat tube (3) communicating in a liquid-tight manner. The core is plastically deformed by applying an external force in its thickness direction, and each flat tube (3) is deformed in a plane parallel to the flat tube while keeping its flat surface. The entire core is formed in a curved shape with a C-shaped cross section to form a bent core (6).
Are located radially outward of the cross flow fan (2), and the respective portions of the inner peripheral surface of the bent core (6) and the outer peripheral surface of the cross flow fan (2) are disposed at substantially equal distances. It is a heat exchanger for air conditioning having a cross flow fan.
【０００６】請求項２に記載の本発明は、請求項１にお
いて、前記クロスフローファン(2) の軸線が水平に配置
されると共に、前記横断面Ｃ字状の開口部が下方に位置
するように、曲げコア(6) がクロスフローファン(2)に
被嵌され、その曲げコア(6) の曲がり方向両端に対向し
て一対のドレンパン(7) が配置されたクロスフローファ
ンを有する空調用熱交換器である。According to a second aspect of the present invention, in the first aspect, the axis of the cross flow fan (2) is arranged horizontally, and the opening having the C-shaped cross section is located below. In addition, a bending core (6) is fitted to the cross flow fan (2), and the air conditioner has a cross flow fan in which a pair of drain pans (7) are arranged opposite to both ends of the bending core (6) in the bending direction. It is a heat exchanger.
【０００７】請求項３に記載の本発明は、夫々の平坦面
を対向して並列させた各偏平チューブ(3) 間にコルゲー
トフィン(5) を配置し両者の接触部間を一体に接合して
全体が平板状のコアを形成させる工程と、次いでそのコ
アに、その厚み方向に外力を加えて塑性変形することに
より、夫々の偏平チューブ(3) をその平坦面に平行な面
内で変形し、コア全体を横断面Ｃ字状に湾曲形成して、
曲げコア(6) を形成させる工程と、平板状のコアまたは
曲げコアの夫々の偏平チューブ(3) の両端を、一対のヘ
ッダのチューブ挿通孔に挿通すると共に、その挿通部を
液密に接合する工程と、を具備し、多数の細長いブレー
ド(1) の夫々が、その軸線の回りの同一円周上に互いに
離間して配置され、全体が筒状に形成されるクロスフロ
ーファン(2) を有し、前記曲げコア(6) を前記クロスフ
ローファン(2) の半径方向外方に位置させて、その曲げ
コア(6) の内周面の各部とクロスフローファン(2) の外
周面とを、略等距離に配置させたクロスフローファンを
有する空調用熱交換器の製造方法である。According to a third aspect of the present invention, a corrugated fin (5) is arranged between flat tubes (3) having their respective flat surfaces facing each other and arranged in parallel, and the contact portions of both are integrally joined. Forming a flat core as a whole, and then deforming each flat tube (3) in a plane parallel to the flat surface by applying an external force to the core in the thickness direction and plastically deforming the core. Then, the entire core is formed into a C-shaped cross section by bending,
Forming the bent core (6), inserting both ends of each flat tube or flat tube (3) of the bent core into the tube insertion holes of the pair of headers, and joining the insertion portions in a liquid-tight manner. A plurality of elongated blades (1), each of which is spaced apart from each other on the same circumference around the axis thereof, and a cross-flow fan (2) formed as a whole in a cylindrical shape. With the bent core (6) positioned radially outward of the cross flow fan (2), each part of the inner peripheral surface of the bent core (6) and the outer peripheral surface of the cross flow fan (2) Is a method for manufacturing an air-conditioning heat exchanger having a cross-flow fan arranged at substantially equal distances.
【０００８】[0008]
【発明の実施の形態】次に、図面に基づいて本発明の実
施の形態につき説明する。図１は本発明のクロスフロー
ファンを有する空調用熱交換器の要部斜視略図であり、
図２はその側面略図である。この例は、室内機として用
いられる空調用熱交換器であって、クロスフローファン
２の外方に曲げコア６が被嵌されている。この曲げコア
６はその側面が円弧状に形成され、その曲げコア６の軸
線とクロスフローファン２の軸線が略一致するように配
置される。曲げコア６は、夫々の平坦面が対向して並列
された多数の偏平チューブ３及びそれらの間に挟持され
るコルゲートフィン５を有し、各偏平チューブ３の端部
がパイプ状のヘッダ４のチューブ挿通孔に挿通される。Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a schematic perspective view of a main part of an air-conditioning heat exchanger having a crossflow fan of the present invention,
FIG. 2 is a schematic side view thereof. This example is an air-conditioning heat exchanger used as an indoor unit, in which a bending core 6 is fitted outside the cross flow fan 2. The bending core 6 has a side surface formed in an arc shape, and is arranged such that the axis of the bending core 6 and the axis of the cross flow fan 2 substantially coincide with each other. The bending core 6 has a number of flat tubes 3 whose respective flat surfaces are arranged side by side and corrugated fins 5 sandwiched therebetween. It is inserted through the tube insertion hole.
【０００９】そして各部品間を一体的にろう付け固定し
て平板状のコアを構成し、そのコアを厚み方向に外力を
加えて塑性変形し、夫々の偏平チューブ３が平坦面を保
った状態で、それに平行な平面内に変形されて、コア全
体の横断面がＣ字状になるように湾曲形成されたもので
ある。そしてこの曲げコア６は、その内外周面が略円弧
状に形成されている。そしてクロスフローファン２がケ
ーシング８の中心部にその軸線を水平にして配置され、
その軸線に略同心に曲げコア６が配置される。この曲げ
コア６は円弧状であり且つ、その軸断面がＣ字状に形成
され、その両端にヘッダ４が配置されている。そして、
そのＣ字状の開口側が下向きに位置するようにケーシン
グ８に取付けられる。夫々のヘッダ４の下方には、ドレ
ンパン７が配置される。A flat plate-shaped core is formed by integrally brazing and fixing the components, and the core is plastically deformed by applying an external force in the thickness direction, so that each flat tube 3 maintains a flat surface. Thus, the core is deformed in a plane parallel to the core, and is formed into a curved shape so that the cross section of the entire core becomes C-shaped. The inner and outer peripheral surfaces of the bending core 6 are formed in a substantially arc shape. The cross flow fan 2 is arranged at the center of the casing 8 with its axis horizontal,
The bending core 6 is disposed substantially concentrically with the axis. The bending core 6 has an arc shape, and its axial section is formed in a C-shape, and headers 4 are arranged at both ends. And
It is attached to the casing 8 so that its C-shaped opening side is located downward. A drain pan 7 is arranged below each header 4.
【００１０】クロスフローファン２は、多数の細長いブ
レード１の夫々が軸線の回りの同一円周上に互いに離間
して配置され、全体が筒状に形成された公知のものであ
る。そのクロスフローファン２の一端部がモータに連結
されて回転駆動されると共に、一方のヘッダ４から気液
二相状態の冷媒が流入し、各偏平チューブ３を流通して
他方のヘッダ４に達し、そのヘッダ４から図示しないコ
ンプレッサを介し室外機に導かれる。The cross flow fan 2 is a known one in which a large number of elongated blades 1 are arranged on the same circumference around an axis and are separated from each other, and are formed in a cylindrical shape as a whole. One end of the cross flow fan 2 is connected to a motor and driven to rotate, and a refrigerant in a gas-liquid two-phase state flows in from one header 4 and flows through each flat tube 3 to reach the other header 4. From the header 4 to an outdoor unit via a compressor (not shown).
【００１１】そして各偏平チューブ３の外面及びコルゲ
ートフィン５に空気流13が放射方向中心側に向かって略
均等に流入し、各チューブ内の冷媒と熱交換されてケー
シング８の吹き出し口９から室内に冷却空気が放出され
る。このとき、コルゲートフィン５及び偏平チューブ３
の外面に凝縮水12が生じ、それが空気流13に運ばれて偏
平チューブ３の風下端に集められ、次いでそれが偏平チ
ューブ３の縁部に沿って下方に流下し、図４の如くドレ
ンパン７に捕捉され、外部に排出される。An air flow 13 flows into the outer surface of each flat tube 3 and the corrugated fin 5 almost uniformly toward the center in the radial direction, exchanges heat with the refrigerant in each tube, and passes through the outlet 9 of the casing 8 to the room. The cooling air is released. At this time, the corrugated fin 5 and the flat tube 3
The condensed water 12 is formed on the outer surface of the flat tube 3 and is conveyed to the air flow 13 and collected at the lower end of the flat tube 3, and then flows downward along the edge of the flat tube 3, and as shown in FIG. 7 and discharged to the outside.
【００１２】なお、曲げコア６の製造工程において偏平
チューブ３は夫々両側の平坦面が互いに対向するように
配置され、それらの間にコルゲートフィン５が挟持さ
れ、コルゲートフィン５の波の頂部５ａおよび谷部５ｂ
（図５）が偏平チューブ３に接触する。そして図５に示
す状態で全体が高温の炉内に挿入され、偏平チューブ３
の外表面に被覆されたろう材を溶融して、コルゲートフ
ィン５と偏平チューブ３との各接触部間がろう付け固定
される。In the manufacturing process of the bent core 6, the flat tubes 3 are arranged so that the flat surfaces on both sides thereof are opposed to each other, and the corrugated fins 5 are sandwiched between them. Valley 5b
(FIG. 5) comes into contact with the flat tube 3. Then, the whole is inserted into a high-temperature furnace in the state shown in FIG.
Is melted, and the contact portions between the corrugated fins 5 and the flat tubes 3 are brazed and fixed.
【００１３】このとき、コルゲートフィンの波の頂部５
ａおよび谷部５ｂは夫々互いに平行に配置されている。
次いで、それに外力を加えて湾曲形成すると、偏平チュ
ーブ３の平面に平行に湾曲され、それにろう付けされて
いる波の頂部５ａおよび谷部５ｂは偏平チューブ３と共
に変形し扇状に形成される。そのため、空気流13はその
波の頂部５ａおよび谷部５ｂに沿って流入するとき、夫
々クロスフローファン２の中心側に円滑に導かれる。At this time, the top 5 of the corrugated fin wave
a and the valleys 5b are respectively arranged in parallel with each other.
Next, when an external force is applied thereto to form a curve, the wave is bent in parallel to the plane of the flat tube 3, and the tops 5 a and the valleys 5 b of the waves brazed thereto are deformed together with the flat tube 3 to form a fan shape. Therefore, the air flow 13 is smoothly guided to the center of the cross flow fan 2 when flowing along the top 5a and the valley 5b of the wave.
【００１４】また、コアの曲げ工程は偏平チューブ３の
各端部をヘッダ４のチューブ挿通孔に挿通し、その挿通
部をろう付け固定した後に行うことができるが、それに
代えてヘッダ４を取付ける前に偏平チューブ３とコルゲ
ートフィン５のみのろう付け状態でそれらを湾曲させ、
後に偏平チューブ３の端部をヘッダ４のチューブ孔に挿
通し、その挿通部をろう付けする工程を用いてもよい。The core bending process can be performed after each end of the flat tube 3 is inserted into the tube insertion hole of the header 4 and the insertion portion is brazed and fixed. Instead, the header 4 is attached. Before bending only the flat tube 3 and the corrugated fin 5 in a brazed state,
Later, a step of inserting the end of the flat tube 3 into the tube hole of the header 4 and brazing the inserted portion may be used.
【００１５】[0015]
【発明の作用・効果】請求項１に記載の本発明によれ
ば、曲げコア６の内周面各部とクロスフローファン２の
外周面とが略等距離に配置されたものであるから、熱交
換器各部における熱交換を略均一に保持して熱交換性能
を高めることができる。また、全体としてコンパクトで
小スペースの熱交換器を提供できる。それと共に、曲げ
コア６自体は平板状のコアを塑性変形してなるものであ
るから、製造し易く且つ取付けが容易である。According to the first aspect of the present invention, since each portion of the inner peripheral surface of the bending core 6 and the outer peripheral surface of the cross flow fan 2 are arranged at substantially equal distances, the heat is eliminated. The heat exchange in each part of the exchanger can be maintained substantially uniformly, and the heat exchange performance can be improved. In addition, it is possible to provide a heat exchanger that is compact and small in size as a whole. At the same time, since the bending core 6 itself is formed by plastically deforming a flat core, it is easy to manufacture and easy to attach.
【００１６】請求項２に記載の本発明によれば、クロス
フローファン２の軸線が水平に配置され且つ、曲げコア
６の横断面Ｃ字状の開口部が下方に位置するようにクロ
スフローファン２に被嵌され、その曲げコア６の曲がり
方向両端に対向してドレンパン７が配置されたものであ
るから、コルゲートフィン５及び偏平チューブ３に生じ
た凝縮水は最終的に偏平チューブ３の内周縁に沿って集
められ、その縁部に沿って下方に流下してドレンパン７
に捕捉される。そのため、凝縮水は最端距離でドレンパ
ン７に集められて迅速に排除され、それにより空気の流
通を最大限に確保して熱交換性能を向上できる効果があ
る。According to the second aspect of the present invention, the cross-flow fan is arranged such that the axis of the cross-flow fan 2 is arranged horizontally and the opening of the bending core 6 having a C-shaped cross section is located below. 2 and the drain pans 7 are arranged opposite to both ends of the bending core 6 in the bending direction. It is collected along the periphery and flows down along the edge to drain pan 7
Is captured by For this reason, the condensed water is collected in the drain pan 7 at the extreme end distance and is quickly eliminated, whereby there is an effect that the air flow can be maximized and the heat exchange performance can be improved.
【００１７】請求項３に記載の本発明によれば、偏平チ
ューブ３とコルゲートフィン５とを一体的に接合して全
体を平板状のコアとし、それを湾曲させて曲げコア６を
製造するものであるから、部品点数が少なく製造し易い
コアを安価に提供できる。According to the third aspect of the present invention, the flat tube 3 and the corrugated fin 5 are integrally joined to form a flat core, and the bent core is manufactured by bending the flat core. Therefore, a core having a small number of parts and easy to manufacture can be provided at low cost.
【図１】本発明のクロスフローファンを有する空調用熱
交換器の要部斜視略図。FIG. 1 is a schematic perspective view of a main part of an air conditioning heat exchanger having a cross flow fan according to the present invention.
【図２】同空調用熱交換器の側面略図。FIG. 2 is a schematic side view of the air-conditioning heat exchanger.
【図３】同空調用熱交換器に用いられる偏平チューブ３
の横断面図。FIG. 3 is a flat tube 3 used in the air conditioning heat exchanger.
FIG.
【図４】同空調用熱交換器における空気流13及び凝縮水
12の流れ状態を示す説明図。FIG. 4 shows an air flow 13 and condensed water in the air conditioning heat exchanger.
FIG. 12 is an explanatory view showing a flow state of 12;
【図５】同空調用熱交換器における曲げコア６の製造方
法を示す第１工程の要部説明図。FIG. 5 is an explanatory view of a main part of a first step showing a method of manufacturing the bent core 6 in the air-conditioning heat exchanger.
【図６】同空調用熱交換器における曲げコア６の製造方
法を示す第２工程の要部説明図。FIG. 6 is an explanatory view of a main part of a second step showing a method of manufacturing the bent core 6 in the air-conditioning heat exchanger.
【図７】従来型空調用熱交換器の要部斜視略図。FIG. 7 is a schematic perspective view of a main part of a conventional air conditioning heat exchanger.
【図８】同空調用熱交換器の側面略図。FIG. 8 is a schematic side view of the air-conditioning heat exchanger.
１ ブレード ２ クロスフローファン ３ 偏平チューブ ４ ヘッダ ５ コルゲートフィン ５ａ 頂部 ５ｂ 谷部 ６ 曲げコア ７ ドレンパン ８ ケーシング ８ａ 壁面 ９ 吹き出し口 10 平板コア 11 吸い込み口 12 凝縮水 13 空気流 DESCRIPTION OF SYMBOLS 1 Blade 2 Cross flow fan 3 Flat tube 4 Header 5 Corrugated fin 5a Top 5b Valley 6 Bending core 7 Drain pan 8 Casing 8a Wall surface 9 Outlet 10 Flat core 11 Suction port 12 Condensed water 13 Air flow
Claims (3)
の軸線の回りの同一円周上に互いに離間して配置され、
全体が筒状に形成されるクロスフローファン(2) と、 夫々の平坦面が対向して並列された多数の偏平チューブ
(3) および、各偏平チューブ(3) の対向平坦面間に接合
されたコルゲートフィン(5) を有するコアと、 互いに平行に離間して配置され、夫々の偏平チューブ
(3) の両端が液密に連通する一対のヘッダ(4) と、を具
備し、 そのコアが、その厚み方向に外力を加えて塑性変形さ
れ、夫々の偏平チューブ(3) はその平坦面を保った状態
でそれに平行な面内に変形され、コア全体が横断面Ｃ字
状に湾曲形成されて、曲げコア(6) が構成されてなり、 その曲げコア(6) が前記クロスフローファン(2) の半径
方向外方に位置されて、その曲げコア(6) の内周面の各
部とクロスフローファン(2) の外周面とが、略等距離に
配置されたクロスフローファンを有する空調用熱交換
器。1. Each of a number of elongated blades (1) are spaced apart from each other on the same circumference about its axis;
A cross-flow fan (2) formed entirely in a cylindrical shape, and a number of flat tubes whose respective flat surfaces are arranged side by side
(3) and a core having corrugated fins (5) joined between opposed flat surfaces of each flat tube (3), and each of the flat tubes arranged parallel to and separated from each other.
And (3) a pair of headers (4) whose both ends communicate in a liquid-tight manner.The core is plastically deformed by applying an external force in its thickness direction, and each flat tube (3) has a flat surface. Is deformed in a plane parallel to it, and the entire core is curved and formed into a C-shaped cross section to form a bent core (6). (2) is located radially outward, and each part of the inner peripheral surface of the bent core (6) and the outer peripheral surface of the cross flow fan (2) have a cross flow fan arranged at substantially equal distances. Heat exchanger for air conditioning.
と共に、前記横断面Ｃ字状の開口部が下方に位置するよ
うに、曲げコア(6) がクロスフローファン(2)に被嵌さ
れ、 その曲げコア(6) の曲がり方向両端に対向して一対のド
レンパン(7) が配置されたクロスフローファンを有する
空調用熱交換器。2. The bending core (6) according to claim 1, wherein an axis of the cross flow fan (2) is arranged horizontally, and the opening having the C-shaped cross section is located downward. An air-conditioning heat exchanger having a cross-flow fan fitted to the cross-flow fan (2) and having a pair of drain pans (7) opposed to both ends of the bending core (6) in the bending direction.
平チューブ(3) 間にコルゲートフィン(5) を配置し両者
の接触部間を一体に接合して全体が平板状のコアを形成
させる工程と、 次いでそのコアに、その厚み方向に外力を加えて塑性変
形することにより、夫々の偏平チューブ(3) をその平坦
面に平行な面内で変形し、コア全体を横断面Ｃ字状に湾
曲形成して、曲げコア(6) を形成させる工程と、 平板状のコアまたは曲げコアの夫々の偏平チューブ(3)
の両端を、一対のヘッダのチューブ挿通孔に挿通すると
共に、その挿通部を液密に接合する工程と、 を具備し、 多数の細長いブレード(1) の夫々が、その軸線の回りの
同一円周上に互いに離間して配置され、全体が筒状に形
成されるクロスフローファン(2) を有し、 前記曲げコア(6) を前記クロスフローファン(2) の半径
方向外方に位置させて、その曲げコア(6) の内周面の各
部とクロスフローファン(2) の外周面とを、略等距離に
配置させたクロスフローファンを有する空調用熱交換器
の製造方法。3. A corrugated fin (5) is arranged between flat tubes (3) having their respective flat surfaces facing each other and arranged in parallel, and the contact portions of both are integrally joined to form a flat core as a whole. Forming the core, and then subjecting the core to plastic deformation by applying an external force in the thickness direction thereof, thereby deforming each flat tube (3) in a plane parallel to the flat surface, and forming the entire core in a cross section C. Forming a bent core (6) by forming a curved core (6); and a flat tube (3) of a flat core or a bent core, respectively.
Inserting the two ends of the blade into the tube insertion holes of the pair of headers, and joining the insertion portions in a liquid-tight manner, wherein each of the plurality of elongated blades (1) has the same circle around its axis. A cross-flow fan (2) which is arranged on the circumference and is spaced apart from each other and is formed in a cylindrical shape as a whole; and the bending core (6) is positioned radially outward of the cross-flow fan (2). And a method for manufacturing an air-conditioning heat exchanger having a cross flow fan in which each part of the inner peripheral surface of the bent core (6) and the outer peripheral surface of the cross flow fan (2) are arranged at substantially equal distances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000297638A JP2002106953A (en) | 2000-09-28 | 2000-09-28 | Heat exchanger for air-conditioning with cross flow fan and method of producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000297638A JP2002106953A (en) | 2000-09-28 | 2000-09-28 | Heat exchanger for air-conditioning with cross flow fan and method of producing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002106953A true JP2002106953A (en) | 2002-04-10 |
Family
ID=18779726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000297638A Pending JP2002106953A (en) | 2000-09-28 | 2000-09-28 | Heat exchanger for air-conditioning with cross flow fan and method of producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002106953A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004057242A1 (en) * | 2002-12-02 | 2004-07-08 | Daikin Industries, Ltd. | Indoor unit of air conditioner |
| CN1301385C (en) * | 2002-12-02 | 2007-02-21 | 大金工业株式会社 | Indoor unit of air conditioner |
| WO2007095905A1 (en) * | 2006-02-25 | 2007-08-30 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Heat exchanger and production method |
| JP2008180506A (en) * | 2008-04-17 | 2008-08-07 | Daikin Ind Ltd | Indoor unit of air conditioner |
| JP2010216673A (en) * | 2009-03-13 | 2010-09-30 | Daikin Ind Ltd | Air conditioner |
| JP2010216674A (en) * | 2009-03-13 | 2010-09-30 | Daikin Ind Ltd | Air conditioner |
| JP2015218907A (en) * | 2014-05-14 | 2015-12-07 | パナソニックＩｐマネジメント株式会社 | Heat exchanger |
| JP2015224844A (en) * | 2014-05-29 | 2015-12-14 | パナソニックＩｐマネジメント株式会社 | Heat exchanger |
| CN108444136A (en) * | 2018-02-28 | 2018-08-24 | 杭州三花家电热管理***有限公司 | Heat transmission equipment and heat-exchange system |
| CN108489152A (en) * | 2018-02-28 | 2018-09-04 | 杭州三花家电热管理***有限公司 | Heat exchanger, heat transmission equipment and heat-exchange system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004057242A1 (en) * | 2002-12-02 | 2004-07-08 | Daikin Industries, Ltd. | Indoor unit of air conditioner |
| CN1301385C (en) * | 2002-12-02 | 2007-02-21 | 大金工业株式会社 | Indoor unit of air conditioner |
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| WO2007095905A1 (en) * | 2006-02-25 | 2007-08-30 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Heat exchanger and production method |
| US8033321B2 (en) | 2006-02-25 | 2011-10-11 | Schaeffler Technologies Gmbh & Co. Kg | Heat exchanger and method of manufacturing |
| JP2008180506A (en) * | 2008-04-17 | 2008-08-07 | Daikin Ind Ltd | Indoor unit of air conditioner |
| JP2010216673A (en) * | 2009-03-13 | 2010-09-30 | Daikin Ind Ltd | Air conditioner |
| JP2010216674A (en) * | 2009-03-13 | 2010-09-30 | Daikin Ind Ltd | Air conditioner |
| JP2015218907A (en) * | 2014-05-14 | 2015-12-07 | パナソニックＩｐマネジメント株式会社 | Heat exchanger |
| JP2015224844A (en) * | 2014-05-29 | 2015-12-14 | パナソニックＩｐマネジメント株式会社 | Heat exchanger |
| CN108444136A (en) * | 2018-02-28 | 2018-08-24 | 杭州三花家电热管理***有限公司 | Heat transmission equipment and heat-exchange system |
| CN108489152A (en) * | 2018-02-28 | 2018-09-04 | 杭州三花家电热管理***有限公司 | Heat exchanger, heat transmission equipment and heat-exchange system |
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