JP3316492B2 - Stacked heat exchanger - Google Patents
Stacked heat exchangerInfo
- Publication number
- JP3316492B2 JP3316492B2 JP2000159768A JP2000159768A JP3316492B2 JP 3316492 B2 JP3316492 B2 JP 3316492B2 JP 2000159768 A JP2000159768 A JP 2000159768A JP 2000159768 A JP2000159768 A JP 2000159768A JP 3316492 B2 JP3316492 B2 JP 3316492B2
- Authority
- JP
- Japan
- Prior art keywords
- outlet
- heat exchanger
- tank
- flat tube
- inlet
- 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.)
- Expired - Lifetime
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
- F28D1/03—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 plate-like or laminated conduits
- F28D1/0308—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other
- F28D1/0325—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
- F28D1/0333—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another the plates having integrated connecting members
- F28D1/0341—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another the plates having integrated connecting members with U-flow or serpentine-flow inside the conduits
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、空調機用の積層型熱交
換器に関し、詳しくは耐圧性を向上させたものに係る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laminated heat exchanger for an air conditioner, and more particularly, to an improved heat exchanger having improved pressure resistance.
【０００２】[0002]
【従来の技術】空調機に使われる積層型熱交換器の一例
を図８，９に示す。図８には熱交換器全体の側面を示し
てあり、図９にはその一部の拡大断面を示してある。図
８において、５１は偏平チューブであり、これはプレス
成形された２枚のプレート５２を突合せて形成される。
偏平チューブ５１の一端部（図中、上端部）には出入口
タンク部５３が形成されている。2. Description of the Related Art An example of a laminated heat exchanger used in an air conditioner is shown in FIGS. FIG. 8 shows a side view of the entire heat exchanger, and FIG. 9 shows an enlarged cross section of a part thereof. In FIG. 8, reference numeral 51 denotes a flat tube, which is formed by abutting two press-formed plates 52.
An inlet / outlet tank 53 is formed at one end (the upper end in the figure) of the flat tube 51.
【０００３】多数の偏平チューブ５１とコルゲートフィ
ン５４が交互に積層され、出入口タンク部５３が連結さ
れて積層型熱交換器（エバポレータ）５５が構成され
る。両端に位置する偏平チューブ５１ａの外方側はエン
ドプレート５６となり、出入口タンク部５３におけるエ
ンドプレート５６には流通孔５７が設けられる。一方の
流通孔５７は流体としての冷媒の導入配管５８に連結さ
れ、他方の流通孔は冷媒の排出配管５９に連結されてい
る。導入配管５８及び排出配管５９はサイドプレート６
０で固定され、サイドプレート６０とエンドプレート５
６の間にはコルゲートフィン５４が設けられている。出
入口タンク部５３は、偏平チューブ５１の板幅方向に入
口部６１と出口部６２とに仕切られ、エバポレータ５５
を構成した際隣接する出入口タンク部５３は入口部６１
同士及び出口部６２同士が連通孔６３によって連通され
ている。A large number of flat tubes 51 and corrugated fins 54 are alternately stacked, and an inlet / outlet tank 53 is connected to form a stacked heat exchanger (evaporator) 55. The outer sides of the flat tubes 51a located at both ends become end plates 56, and the end plates 56 in the entrance / exit tank portion 53 are provided with flow holes 57. One of the flow holes 57 is connected to a refrigerant introduction pipe 58 as a fluid, and the other flow hole is connected to a refrigerant discharge pipe 59. The introduction pipe 58 and the discharge pipe 59 are provided on the side plate 6.
0, side plate 60 and end plate 5
Corrugated fins 54 are provided between 6. The entrance / exit tank section 53 is partitioned into an entrance section 61 and an exit section 62 in the plate width direction of the flat tube 51, and the evaporator 55.
Is constructed, the entrance / exit tank 53 adjacent to the entrance 53
The outlets 62 are communicated with each other by the communication holes 63.
【０００４】上記のようなエバポレータ５５においても
小型化が計画され、その一手段として出入口タンク部５
３を偏平化することがなされている。つまり、出入口タ
ンク部５３及び連通孔６３を幅方向に細長い長円形とす
ることがなされているのである。[0004] The evaporator 55 as described above is also planned to be reduced in size.
3 has been flattened. That is, the entrance / exit tank portion 53 and the communication hole 63 are formed to be elongated and oval in the width direction.
【０００５】[0005]
【発明が解決しようとする課題】ところで、このような
エバポレータ５５は、積層された状態でろう付けされる
ことにより一体化される。つまり偏平チューブ５１とコ
ルゲートフィン５４、出入口タンク部５３同士がろう付
けされるのである。偏平チューブ５１とコルゲートフィ
ン５４とは各接触点でろう付けされ、偏平チューブ５１
を構成するプレート５２同士はその縁部等の合せ目及び
内部に突設されたリブ６４同士の接触部でもろう付けさ
れる。Incidentally, such evaporators 55 are integrated by brazing in a stacked state. That is, the flat tube 51, the corrugated fin 54, and the entrance / exit tank portion 53 are brazed together. The flat tube 51 and the corrugated fin 54 are brazed at each contact point, and the flat tube 51
Are brazed at the seams such as the edges thereof and the contact portions between the ribs 64 protruding inside.
【０００６】このろう付けにより、出入口タンク部５３
同士に比べ、偏平チューブ５１とコルゲートフィン５４
との結合部分であるコア部の方がろう付け点が多いこと
から高強度となる。したがって、冷媒を通すことにより
圧力がかかった場合、出入口タンク部５３の強度が低い
ことから、この部分が大きく広がり、エバポレータ５５
全体が扇形に変形してしまうおそれがあった。[0006] By this brazing, the entrance / exit tank portion 53 is formed.
Compared to each other, the flat tube 51 and the corrugated fin 54
Since the core portion, which is the connecting portion with, has more brazing points, it has high strength. Therefore, when pressure is applied by passing the refrigerant, since the strength of the inlet / outlet tank portion 53 is low, this portion is greatly expanded, and the evaporator 55
There was a possibility that the whole would be deformed into a fan shape.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するため
本発明では、一端に流体の出入口タンク部を成形すると
共に同出入口タンク部間に流体流路を成形してなるプレ
ス成形プレートを２枚突合せて偏平チューブを形成し、
同チューブを多数積層して構成される積層型熱交換器に
おいて、前記出入口タンク部のうち出口側タンク部の形
状を上半分を楕円形、下半分を長円形とすると共に、同
出口側タンク部に上側半分を楕円形、下側半分を長円形
にした連通孔を設けたことを特徴とする。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, according to the present invention, two press-formed plates are formed by forming a fluid inlet / outlet tank portion at one end and forming a fluid flow path between the inlet / outlet tank portions. Butt to form a flat tube,
In the stacked heat exchanger formed by stacking a large number of the same tube, oval upper half shape of the outlet-side tank portion of the doorway tank unit, with the lower half and oval, the outlet-side tank portion And a communication hole having an elliptical upper half and an oblong lower half.
【０００８】上記構造の積層型熱交換器においては、出
口側タンク部の形状を上半分を楕円形、下半分を長円形
とすると共に、同出口側タンク部に上側半分を楕円形、
下側半分を長円形にした連通孔を設けたので、強度の向
上が図れる。また、上下方向の小型化も維持できる。更
に、出口側が、蒸発したガス冷媒の冷媒通路となった場
合でも、連通孔の開口面積を大きくすることができるた
め、圧損の低減を図ることができる。[0008] In the laminated heat exchanger having the above structure, the shape of the outlet-side tank is elliptical in the upper half, the shape of the lower half is elliptical, and the upper half of the outlet- side tank is elliptical.
Since the communication hole in which the lower half has an oval shape is provided, the strength can be improved. Further, downsizing in the vertical direction can be maintained. Further, even when the outlet side is a refrigerant passage for the evaporated gas refrigerant, the opening area of the communication hole can be increased, so that pressure loss can be reduced.
【０００９】[0009]
【発明の実施の形態】次に、本発明に係る積層型熱交換
器の一実施形態例を図面に基づき説明する。図１には一
実施形態例に係るエバポレータにおける偏平チューブの
分解斜視を示してあり、図２には偏平チューブを構成す
るプレートの正面、図３には偏平チューブの上部の詳細
を、図４には偏平チューブの横断面を示してある。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the laminated heat exchanger according to the present invention will be described with reference to the drawings. FIG. 1 is an exploded perspective view of a flat tube in an evaporator according to an embodiment, FIG. 2 is a front view of a plate constituting the flat tube, FIG. 3 is a detail of an upper portion of the flat tube, and FIG. Indicates the cross section of the flat tube.
【００１０】偏平チューブ１はプレス成形された二枚の
プレート２を突き合わせて形成される。偏平チューブ１
の一端部（図中の上端部）には出入口タンク部３が形成
されている。図５，図６に示すように、偏平チューブ１
とコルゲートフィン４が交互に積層され、出入口タンク
部３が連結されて、エバポレータ５が構成される。The flat tube 1 is formed by abutting two press-formed plates 2. Flat tube 1
An inlet / outlet tank portion 3 is formed at one end portion (upper end portion in the drawing). As shown in FIGS. 5 and 6, the flat tube 1
And the corrugated fins 4 are alternately stacked, and the entrance / exit tank unit 3 is connected to form the evaporator 5.
【００１１】出入口タンク部３は、偏平チューブ１の板
幅方向に入口側タンク部６と出口側タンク部７とに仕切
られ、エバポレータ５を構成した際、隣接する出入口タ
ンク部３は入口側タンク部６及び出口側タンク部７同士
が連通孔８によって連通される。この出入口タンク部３
の入口側タンク部６及び出口側タンク部７は、図３に詳
細に示されているように、板幅方向に細長く偏平な形状
をしており、下半部６ａ，７ａは長円形をなし、上半部
６ｂ，７ｂのみが楕円形状をなしている。なお、プレー
ト２において、入口側タンク部６もしくは出口側タンク
部７を形成するため、一方の連通孔８は貫通孔となって
おり、もう一方の連通孔８の縁にはフランジ部８ａが形
成されている。このフランジ部８ａは隣り合わせられる
他の偏平チューブ１のプレート２の連通孔８に挿入され
るようになっている。The entrance / exit tank section 3 is partitioned into an entrance-side tank section 6 and an exit-side tank section 7 in the plate width direction of the flat tube 1, and when the evaporator 5 is constructed, the adjacent entrance / exit tank section 3 becomes an entrance-side tank section. The part 6 and the outlet-side tank part 7 are communicated with each other by the communication hole 8. This doorway tank part 3
As shown in detail in FIG. 3, the inlet side tank portion 6 and the outlet side tank portion 7 are elongated and flat in the plate width direction, and the lower half portions 6a and 7a are oblong. , Only the upper half portions 6b and 7b have an elliptical shape. In addition, in the plate 2, the inlet side tank part 6 or the outlet side tank
In order to form the portion 7, one communication hole 8 is a through hole, and a flange 8 a is formed at an edge of the other communication hole 8. The flange portion 8a is inserted into the communication hole 8 of the plate 2 of another adjacent flat tube 1.
【００１２】プレート２の内空部は中央部の上下方向に
延びる仕切壁９によって２つの室１０，１１に仕切られ
ている。仕切壁９は下端部が欠如され、プレート２の下
端は流体としての冷媒をＵターンさせるＵターン部１２
となっている。２枚のプレート２を突き合わせること
で、仕切壁９によって、出入口タンク部３が入口側タン
ク部６と出口側タンク部７とに仕切られると共に、入口
側タンク部６に連続する室１０と出口側タンク部７に連
続する室１１とに仕切られる。更に、室１０と室１１と
はＵターン部１２で連通され、室１０，１１及びＵター
ン部１２で流体通路１３が形成されている。The inner space of the plate 2 is partitioned into two chambers 10 and 11 by a partition wall 9 extending vertically in the center. A lower end of the partition wall 9 is omitted, and a lower end of the plate 2 is a U-turn portion 12 for making a U-turn of a refrigerant as a fluid.
It has become. By abutting the two plates 2, the entrance / exit tank unit 3 is separated by the partition wall 9 from the entrance-side tank.
Together they are partitioned into the click portion 6 and the outlet-side tank portion 7, the inlet
The chamber 10 is partitioned into a chamber 10 that continues to the side tank 6 and a chamber 11 that continues to the outlet tank 7. Further, the chamber 10 and the chamber 11 are communicated by a U-turn part 12, and a fluid passage 13 is formed by the chambers 10, 11 and the U-turn part 12.
【００１３】流体通路１３の室１０，１１の部分（直線
部分）には波形インナフィン１４，１５が挿入されてい
る。図４に示すように、波形インナフィン１４，１５に
は、室１０，１１の長さ方向（上下方向）に沿う流路１
６，１７が複数分離して区画形成されるように、長さ方
向に沿った波形１４ａ，１５ａが複数形成されている。Corrugated inner fins 14 and 15 are inserted into the chambers 10 and 11 (linear portions) of the fluid passage 13. As shown in FIG. 4, the corrugated inner fins 14 and 15 have flow paths 1 along the length direction (vertical direction) of the chambers 10 and 11.
A plurality of waveforms 14a and 15a along the length direction are formed so that a plurality of sections 6 and 17 are separately formed.
【００１４】流体通路１３のＵターン部１２の部分に
は、冷媒のＵターンを案内するためのＵ字状流路１８が
複数分離して区画形成されている。Ｕ字状流路１８はプ
レート２の突合わせ面にプレス成形された複数のＵ字状
ビード１９によって形成され、Ｕ字状流路１８はプレー
ト２の形状に沿ったＵ字形となっている。In the U-turn portion 12 of the fluid passage 13, a plurality of U-shaped flow paths 18 for guiding the U-turn of the refrigerant are separately formed. The U-shaped channel 18 is formed by a plurality of U-shaped beads 19 press-formed on the abutting surface of the plate 2, and the U-shaped channel 18 is U-shaped along the shape of the plate 2.
【００１５】室１０，１１間で冷媒が流れる場合、偏平
チューブ１の幅方向外側の流路１６，１７を流れる冷媒
は、Ｕターン部１２の外側のＵ字状流路１８を流れる。
また、偏平チューブ１の幅方向内側の流路１６，１７を
流れる冷媒は、Ｕターン部１２の内側のＵ字状流路１８
を流れる。つまり、偏平チューブ１内の冷媒は、内側か
ら内側、外側から外側を通って流体通路１３を流れる。When the refrigerant flows between the chambers 10 and 11, the refrigerant flowing through the channels 16 and 17 on the outer side in the width direction of the flat tube 1 flows through the U-shaped channel 18 on the outer side of the U-turn portion 12.
The refrigerant flowing through the flow channels 16 and 17 on the inner side in the width direction of the flat tube 1 is supplied to the U-shaped flow channel 18 on the inner side of the U-turn portion 12.
Flows through. That is, the refrigerant in the flat tube 1 flows through the fluid passage 13 from inside to inside and from outside to outside.
【００１６】上述した偏平チューブ１では、入口側タン
ク部６から流入した流体としての冷媒は、波形インナフ
ィン１４で区画された流路１６を通ってＵターン部１２
に導かれ、Ｕ字状ビード１９で区画されたＵ字状流路１
８でＵターンされ、波形インナフィン１５で区画された
流路１７を通って出口側タンク部７まで流れる。なお、
エバポレータ５の一端部には、エンドプレート２０を介
してヘッダ２１が設けられ、このヘッダ２１に冷媒の導
入配管２２が連結され、他端側にも同様にエンドプレー
ト２３を介してヘッダ２４が設けられ、ここに冷媒の排
出配管２５が連結される。In the flat tube 1 described above, the inlet side
The refrigerant as the fluid that has flowed in from the cooling section 6 passes through the flow path 16 defined by the corrugated inner fins 14 and the U-turn section 12.
U-shaped flow path 1 guided by the U-shaped bead 19
8, a U-turn is made, and flows to the outlet side tank part 7 through the flow path 17 partitioned by the corrugated inner fins 15. In addition,
At one end of the evaporator 5, a header 21 is provided via an end plate 20, a refrigerant introduction pipe 22 is connected to the header 21, and a header 24 is also provided at the other end via an end plate 23. Here, a refrigerant discharge pipe 25 is connected.
【００１７】偏平チューブ１内を流れる冷媒は、区画さ
れた流路１６，１７及びＵ字状流路１８を流れるので、
流体通路１３の内側から内側、外側から外側を冷媒が流
れ、Ｕターン部１２での遠心力に伴なう気液二相流冷媒
の分離がＵ字状流路１８内だけとなり、二相流冷媒の気
液それぞれの分配量の分布が小さくなる。また、Ｕター
ン部１２のＵ字状流路１８はプレート２の形状に沿った
Ｕ字形となっているので、冷媒の流れに澱みが生じるこ
とがなくなる。このため、冷媒の気液分配量の分布が小
さくなって偏りによる熱効率の低下が生じにくくなると
共に、冷媒の流れに澱みが生じて熱交換量が不均一にな
ることがなくなる。The refrigerant flowing in the flat tube 1 flows through the divided flow paths 16 and 17 and the U-shaped flow path 18.
The refrigerant flows from the inside to the inside of the fluid passage 13 and from the outside to the outside, and the gas-liquid two-phase refrigerant separated by the centrifugal force in the U-turn part 12 is separated only in the U-shaped flow path 18, and the two-phase flow The distribution of the distribution amounts of the refrigerant and the gas and liquid becomes smaller. Further, since the U-shaped flow path 18 of the U-turn portion 12 has a U-shape conforming to the shape of the plate 2, no stagnation occurs in the flow of the refrigerant. For this reason, the distribution of the gas-liquid distribution amount of the refrigerant is reduced, so that the thermal efficiency is not easily reduced due to the bias, and the flow of the refrigerant does not stagnate and the heat exchange amount does not become uneven.
【００１８】上記構造のエバポレータ５においては、出
入口タンク部３を構成する入口側タンク部６及び出口側
タンク部７が偏平となっているので、高さ方向の寸法を
縮減でき、しかも上半分を楕円形としてあるので、強度
的にもすぐれたものとなり、所望の繰り返し強度、耐圧
強度が得られる。なお、楕円形とするのは上半分のみで
よい。強度的に上半分で十分であり、また有効面積を確
保するためでもある。In the evaporator 5 having the above structure, the inlet-side tank 6 and the outlet-side tank 6 constituting the inlet / outlet tank 3 are formed.
Since the tank portion 7 is flat, the dimension in the height direction can be reduced, and since the upper half has an elliptical shape, the strength is excellent, and the desired repetition strength and pressure resistance can be obtained. Note that only the upper half may be elliptical. The upper half is sufficient in strength, and it is also to secure an effective area.
【００１９】上記実施形態例では、対象としている熱交
換器として偏平チューブ１内にインナフィン１４，１５
を挿入したものをあげているが、本発明の対象となる熱
交換器はこれに限らず、図９に示したように内面にリブ
を設けたものなどにも適用できる。更に、チューブ１内
をビードにより複数に縦に分割したもの、その他形式を
問わず積層型熱交換器に適用できる。In the above embodiment, the inner fins 14 and 15 are placed in the flat tube 1 as a target heat exchanger.
However, the heat exchanger to which the present invention is applied is not limited to this, and can be applied to a heat exchanger having an inner surface provided with a rib as shown in FIG. Furthermore, the present invention can be applied to a laminated heat exchanger regardless of the type in which the inside of the tube 1 is vertically divided into a plurality of parts by beads.
【００２０】上述した積層型熱交換器は、出入口タンク
部の出入口側タンク部の上半分のみを楕円形とし、下半
分を長円形にすると共に、同出入口側タンク部にそれぞ
れ上側半分を楕円形、下側半分を長円形にした連通孔を
設けたので、冷媒流路の大きな減少を伴わずに強度を上
げることができ、繰り返し加圧強度、耐圧強度が向上す
る。また、積層方向だけでなく、このように周方向の強
度も高めることにより熱交換器全体の耐圧強度が向上す
る。The above-described laminated heat exchanger is provided with an inlet / outlet tank.
Only the upper half of the inlet and outlet-side tank portion parts as oval, while the lower half oval, elliptical upper half, respectively in the inlet and outlet-side tank portion, provided with a communication hole in which the lower half oval Therefore, the strength can be increased without a large decrease in the coolant flow path, and the repeated pressurization strength and pressure resistance strength are improved. In addition, by increasing the strength not only in the stacking direction but also in the circumferential direction, the pressure resistance of the entire heat exchanger is improved.
【００２１】[0021]
【発明の効果】本発明の積層型熱交換器によれば、出入
口タンク部を構成する出口側タンク部の形状を上半分を
楕円形、下半分を長円形とすると共に、同出口側タンク
部に上側半分を楕円形、下側半分を長円形にした連通孔
を設けたので、強度の向上が図れる。また、上下方向の
小型化も維持できる。更に、蒸発器のように、出口側
が、蒸発したガス冷媒の冷媒通路となった場合でも、連
通孔の開口面積を大きくすることができるため、圧損の
低減を図ることができる。According to the laminated heat exchanger of the present invention, the entrance and exit are
Elliptical upper half shape of the outlet-side tank portions constituting the mouth tank, the lower half with the oval, communicating holes in which the upper half oval, a lower half oval in the outlet tank portion Is provided, the strength can be improved. Further, downsizing in the vertical direction can be maintained. Further, even when the outlet side is a refrigerant passage for the evaporated gas refrigerant as in an evaporator, the opening area of the communication hole can be increased, so that pressure loss can be reduced.
【図１】本発明の一実施形態例に係る積層型熱交換器に
おける偏平チューブの分解斜視図である。FIG. 1 is an exploded perspective view of a flat tube in a laminated heat exchanger according to an embodiment of the present invention.
【図２】偏平チューブを構成するプレートの正面図であ
る。FIG. 2 is a front view of a plate constituting the flat tube.
【図３】プレートの上部の拡大図である。FIG. 3 is an enlarged view of an upper part of a plate.
【図４】偏平チューブの横断面図である。FIG. 4 is a cross-sectional view of a flat tube.
【図５】一実施例に係る熱交換器の正面図である。FIG. 5 is a front view of the heat exchanger according to one embodiment.
【図６】図５の平面図である。FIG. 6 is a plan view of FIG. 5;
【図７】一実施形態例における熱交換器の出入口タンク
部の平面に沿う断面図である。FIG. 7 is a cross-sectional view taken along a plane of an inlet / outlet tank portion of the heat exchanger in one embodiment.
【図８】従来の積層型熱交換器の一例の正面図である。FIG. 8 is a front view of an example of a conventional laminated heat exchanger.
【図９】図８に示した熱交換器の一部の拡大断面図であ
る。9 is an enlarged sectional view of a part of the heat exchanger shown in FIG.
１ 偏平チューブ ２ プレート ３ 出入口タンク部 ４ コルゲートフィン ５ エバポレータ ６ 入口側タンク部 ７ 出口側タンク部 ８ 連通孔 ６ａ 入口側タンク部の楕円形の上半部 ７ａ 出口側タンク部の楕円形の上半部 ９ 仕切壁 １２ Ｕターン部 ２２ 導入配管 ２５ 排出配管1 flat tube 2 plate 3 entrance tank unit 4 the corrugated fins 5 evaporator 6 inlet tank portion 7 outlet tank portion 8 hole 6a inlet tank portion above the oval halves 7a outlet tank portion of the oval upper half Part 9 Partition wall 12 U-turn part 22 Inlet piping 25 Discharge piping
───────────────────────────────────────────────────── フロントページの続き (72)発明者 大塚 実 愛知県名古屋市中村区岩塚町字高道１番 地 三菱重工業株式会社 名古屋研究所 内 (56)参考文献 特開 昭63−32296（ＪＰ，Ａ) 特開 平４−98098（ＪＰ，Ａ) 特開 平１−305275（ＪＰ，Ａ) 実開 平２−100077（ＪＰ，Ｕ) 実開 平３−79085（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) F28F 3/00 - 3/14 F28F 9/00 - 9/26 F25B 39/02 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Minoru Otsuka No. 1, Takamichi, Iwazuka-cho, Nakamura-ku, Nagoya-shi, Aichi Nagoya Research Laboratory Mitsubishi Heavy Industries, Ltd. (56) References JP-A-63-32296 A) JP-A-4-98098 (JP, A) JP-A-1-305275 (JP, A) JP-A-2-100077 (JP, U) JP-A-3-79085 (JP, U) (58) Survey Field (Int.Cl. 7 , DB name) F28F 3/00-3/14 F28F 9/00-9/26 F25B 39/02
Claims (1)
と共に同出入口タンク部間に流体流路を成形してなるプ
レス成形プレートを２枚突合せて偏平チューブを形成
し、同チューブを多数積層して構成される積層型熱交換
器において、前記出入口タンク部のうち出口側タンク部
の形状を上半分を楕円形、下半分を長円形とすると共
に、同出口側タンク部に上側半分を楕円形、下側半分を
長円形にした連通孔を設けたことを特徴とする積層型熱
交換器。1. A flat tube is formed by abutting two press-formed plates formed with a fluid inlet / outlet tank portion at one end and a fluid flow path between the inlet / outlet tank portions, and laminating a large number of the tubes. in the stacked heat exchanger configured Te, elliptical upper half shape of the outlet-side tank portion of the doorway tank portion, the lower half with the oval, elliptical upper half in the outlet tank portion And a communication hole in which the lower half has an oblong shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000159768A JP3316492B2 (en) | 1992-08-31 | 2000-05-30 | Stacked heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000159768A JP3316492B2 (en) | 1992-08-31 | 2000-05-30 | Stacked heat exchanger |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04231191A Division JP3095540B2 (en) | 1992-08-31 | 1992-08-31 | Stacked heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000356492A JP2000356492A (en) | 2000-12-26 |
| JP3316492B2 true JP3316492B2 (en) | 2002-08-19 |
Family
ID=18664052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000159768A Expired - Lifetime JP3316492B2 (en) | 1992-08-31 | 2000-05-30 | Stacked heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3316492B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050257558A1 (en) * | 2002-11-26 | 2005-11-24 | Daikin Industries, Ltd. | Heat exchanger for air and freezer device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2524982B2 (en) * | 1986-07-24 | 1996-08-14 | 昭和アルミニウム株式会社 | Stacked heat exchanger |
| JP2636337B2 (en) * | 1988-06-02 | 1997-07-30 | 株式会社デンソー | Refrigerant evaporator |
| JPH02100077U (en) * | 1989-01-24 | 1990-08-09 | ||
| JPH0717964Y2 (en) * | 1989-11-24 | 1995-04-26 | 株式会社ゼクセル | Heat exchanger |
| JP2786728B2 (en) * | 1990-08-14 | 1998-08-13 | 昭和アルミニウム株式会社 | Stacked heat exchanger |
-
2000
- 2000-05-30 JP JP2000159768A patent/JP3316492B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000356492A (en) | 2000-12-26 |
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