JPH063076A - Manufacture of laminated heat exchanger - Google Patents
Manufacture of laminated heat exchangerInfo
- Publication number
- JPH063076A JPH063076A JP18163292A JP18163292A JPH063076A JP H063076 A JPH063076 A JP H063076A JP 18163292 A JP18163292 A JP 18163292A JP 18163292 A JP18163292 A JP 18163292A JP H063076 A JPH063076 A JP H063076A
- Authority
- JP
- Japan
- Prior art keywords
- core
- tank
- heat exchanger
- brazing
- fins
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000005219 brazing Methods 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000000470 constituent Substances 0.000 claims abstract description 6
- 238000010030 laminating Methods 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 11
- 239000008358 core component Substances 0.000 abstract 1
- 230000006866 deterioration Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、複数のプレートとフィ
ンを交互に積層し互いにろう付けして成るコアと、該コ
アの端面に溶接されたタンクとを有する積層型熱交換器
の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a laminated heat exchanger having a core formed by alternately laminating a plurality of plates and fins and brazing each other, and a tank welded to the end surface of the core. Regarding
【０００２】[0002]
【従来技術】例えば実開昭62-39186号公報にこのような
積層型熱交換器が示されているが、この熱交換器は、平
面がほぼ方形をなすと共に、その両縁部に夫々横断面コ
字状部が折り曲げ形成された複数の金属板（プレート）
をその厚み方向にフィンを介装して積層し、それらの各
接触部が互いにろう付け固定されてなるコアを有してい
る。2. Description of the Related Art For example, Japanese Utility Model Laid-Open No. 62-39186 discloses such a laminated heat exchanger. The heat exchanger has a substantially rectangular flat surface and crosses both edges thereof. A plurality of metal plates (plates) with the U-shaped portion bent
Are laminated in the thickness direction with fins interposed therebetween, and the respective contact portions thereof are brazed and fixed to each other to have a core.
【０００３】このコアの前後の両端面および左右の両端
面にはそれぞれタンクが取付けられており、前記フィン
を介装した部分は１つ置きに、前記前後のタンク間を流
通する第１の流体の通路および前記左右のタンク間を流
通する第２の流体の通路となっており、これら第１およ
び第２の流体間に前記フィンおよびプレートを介して熱
交換が行われる。Tanks are attached to the front and rear end surfaces and the left and right end surfaces of the core, and the first fluid that flows between the front and rear tanks is provided every other portion where the fins are interposed. And a passage for a second fluid that flows between the left and right tanks, and heat is exchanged between the first and second fluids through the fins and the plate.
【０００４】このような積層型熱交換器は、従来、先ず
プレートとフィンをろう材を介して炉内でろう付けして
コアーを作り、次いでこのコアーの外側にタンクを溶接
して製造されていた。Such a laminated heat exchanger is conventionally manufactured by first brazing a plate and fins with a brazing material in a furnace to form a core, and then welding a tank to the outside of the core. It was
【０００５】[0005]
【解決しようとする課題】しかしこのような従来の製造
方法では、タンク溶接時の熱と歪みにより、コアの先に
ろう付けした接合部のろうが溶けたり、剥離したりして
洩れを生じ、あるいはろう接部の材料劣化を来たす等の
悪影響を及ぼすことがあった。However, in such a conventional manufacturing method, due to heat and strain at the time of tank welding, the braze of the joint portion brazed at the tip of the core melts or peels off, causing leakage. Alternatively, it may have adverse effects such as deterioration of the material of the brazed portion.
【０００６】[0006]
【課題を解決するための手段および作用】本発明はこの
ような事情に鑑みてなされたものであり、本発明の積層
型熱交換器製造方法は、コアの各構成部材の間にそれぞ
れろう材を挟んでコアを仮組みする工程と、この仮組み
したコアの端面にタンクを溶接する工程と、次いで全体
を加熱して前記コア構成部材を前記ろう材により互いに
ろう付けする工程とから成ることを特徴とする。The present invention has been made in view of such circumstances, and the laminated heat exchanger manufacturing method of the present invention has a brazing filler metal between each constituent member of the core. A step of temporarily assembling the core with the core sandwiched therebetween, a step of welding a tank to the end surface of the temporarily assembled core, and a step of subsequently heating the whole and brazing the core constituent members to each other with the brazing material. Is characterized by.
【０００７】かかる本発明方法によれば、タンクの溶接
がコアのろう付け前に行われるので、コアろう付け後に
そのろう付け部が溶接の影響を受けて再溶融、剥離もし
くは材料劣化等を生ずることがない。According to the method of the present invention, since the tank is welded before the core is brazed, the brazed portion is affected by the welding after the core is brazed to cause remelting, peeling or material deterioration. Never.
【０００８】[0008]
【実 施 例】以下、本発明を図示の一実施例について
説明する。EXAMPLES Hereinafter, the present invention will be described with reference to an illustrated example.
【０００９】図１は本発明方法により製造しようとする
積層型熱交換器１の全体斜視図、図２はその横断面図で
ある。この熱交換器１はステンレス鋼製で、中央のコア
２の左右方向（矢印ａ方向）両端面にタンク３ａ，３ｂ
を取付けて構成されている。コア２とタンク３ａ，３ｂ
は溶接によって互いに固着される。FIG. 1 is an overall perspective view of a laminated heat exchanger 1 to be manufactured by the method of the present invention, and FIG. 2 is a cross sectional view thereof. This heat exchanger 1 is made of stainless steel, and tanks 3a and 3b are provided on both end surfaces of the central core 2 in the left-right direction (direction of arrow a).
It is configured by mounting. Core 2 and tanks 3a and 3b
Are fixed to each other by welding.
【００１０】コア２は、上下方向に間隔を存して互いに
平行に水平に延びる６枚のプレート４，４…を有し、こ
れらのプレート４間にそれぞれ波状のフィン５，５…が
介装されている。また最上段のプレート４1 と２段目の
プレート４2 との間の空間は、その前後方向（矢印ｂ方
向）の両端部をバー６ａにより閉塞され、該空間に介装
されたフィン５ａの各波形は左右方向に延びている。従
ってプレート４1 とプレート４2 との間の空間はその左
右両側においてそれぞれタンク３ａおよびタンク３ｂ内
に連通している。The core 2 has six plates 4 and 4 horizontally extending in parallel with each other at intervals in the vertical direction, and corrugated fins 5 and 5 are interposed between these plates 4, respectively. Has been done. The space between the uppermost plate 4 1 and the second plate 4 2 is closed at both ends in the front-rear direction (direction of arrow b) by bars 6a, and the fins 5a interposed in the space are closed. Each corrugation extends in the left-right direction. Therefore, the space between the plate 4 1 and the plate 4 2 communicates with the inside of the tank 3a and the tank 3b on the left and right sides thereof, respectively.
【００１１】これに対し、２段目のプレート４2 と３段
目のプレート４3 との間の空間は、その左右方向の両端
部をバー６ｂにより閉塞され、かつこの空間に介装され
たフィン５ｂの各波形は前後方向に延びている。従って
プレート４2 とプレート４3との間の空間はその前後両
側において外部に連通している。以下同様にバー６ａ、
フィン５ａの組合わせとバー６ｂ、フィン５ｂの組合わ
せが交互に配設されている。On the other hand, the space between the second-stage plate 4 2 and the third-stage plate 4 3 is closed at both left and right ends by bars 6b, and is interposed in this space. Each corrugation of the fin 5b extends in the front-rear direction. Therefore, the space between the plate 4 2 and the plate 4 3 communicates with the outside on both front and rear sides thereof. Similarly, the bar 6a,
The combination of the fins 5a and the combination of the bars 6b and the fins 5b are alternately arranged.
【００１２】上記コア２を構成するプレート４、フィン
５およびバー６は互いに接触部においてろう付けされて
いる。The plate 4, the fin 5 and the bar 6 constituting the core 2 are brazed to each other at their contact portions.
【００１３】タンク３ａの下部には媒体出口管７が設け
られ、タンク３ｂの上部には図示してない媒体流入管が
設けられており、タンク３ｂに流入した媒体は前記フィ
ン５ａを設けた空間を通ってタンク３ａに達し、媒体出
口管７から流出する。一方、前記フィン５ｂを設けた空
間には他の媒体例えば空気が流通し、これら直交して流
れる両媒体間にフィン５およびプレート４を介して熱交
換が行われる。A medium outlet pipe 7 is provided in the lower portion of the tank 3a, and a medium inflow pipe (not shown) is provided in the upper portion of the tank 3b. The medium flowing into the tank 3b is a space provided with the fins 5a. To reach the tank 3a and flow out from the medium outlet pipe 7. On the other hand, another medium, for example, air flows in the space provided with the fins 5b, and heat exchange is performed between the two media that flow in the orthogonal direction via the fins 5 and the plate 4.
【００１４】上述した積層型熱交換器１を製作するに当
っては、先ず図３に示すように、コア２を構成する各部
材すなわちプレート４、フィン５およびバー６を、これ
ら相互間にそれぞれ板状のろう材８を挟んで、コア２の
形に組立てて、図４に示すような仮組みコア２ａを形成
する。この状態ではろう材８は単に各部材間に挟まれて
いるだけで、ろう付けは行われていない。In manufacturing the laminated heat exchanger 1 described above, first, as shown in FIG. 3, each member constituting the core 2, that is, the plate 4, the fins 5 and the bar 6 are respectively placed between them. The plate-shaped brazing material 8 is sandwiched and assembled in the shape of the core 2 to form a temporary assembled core 2a as shown in FIG. In this state, the brazing material 8 is simply sandwiched between the members, and is not brazed.
【００１５】次に、図５に示すように、この仮組みコア
２ａの左右両端面に、別途製作されたタンク３ａ，３ｂ
を当接させ、溶接線９に沿い溶接して、仮組みコア２ａ
にタンク３ａ，３ｂを固着する。Next, as shown in FIG. 5, separately manufactured tanks 3a and 3b are formed on the left and right end surfaces of the temporary assembly core 2a.
Abutting against each other and welding along the welding line 9 to form the temporarily assembled core 2a.
The tanks 3a and 3b are fixed to the.
【００１６】このようにして仮組みコア２ａとタンク３
ａ，３ｂを溶接により一体化した後、全体を真空炉内で
所定温度まで昇温して前記ろう材８を溶融させることに
より、プレート４、フィン５、バー６を相互にろう付け
して完全なコア２を形成する。In this way, the temporarily assembled core 2a and the tank 3 are
After the a and 3b are integrated by welding, the whole body is heated to a predetermined temperature in a vacuum furnace to melt the brazing material 8 so that the plate 4, the fins 5, and the bar 6 are brazed to each other to complete the process. The core 2 is formed.
【００１７】そしてタンク３ａのパイプ接続口10（図
５）およびタンク３ｂの同様なパイプ接続口にそれぞれ
媒体出口管７（図１）および同様な媒体流入管を取付け
ることにより、図１に示したような積層型熱交換器１が
完成する。The medium outlet pipe 7 (FIG. 1) and the similar medium inflow pipe are attached to the pipe connection port 10 (FIG. 5) of the tank 3a and the similar pipe connection port of the tank 3b, respectively, as shown in FIG. Such a laminated heat exchanger 1 is completed.
【００１８】熱交換器１を上記の順序で製作すれば、コ
ア２各部のろう付け前にタンク３の溶接が行われるの
で、コア２のろう付け部が溶接による熱や歪みの影響を
受けて再溶融したり、剥離したり、あるいは材料劣化を
生じたりすることがなく、従って媒体洩れがなくかつ耐
久性に富んだ熱交換器１が得られる。If the heat exchanger 1 is manufactured in the above-described order, the tank 3 is welded before the brazing of each part of the core 2, so that the brazing part of the core 2 is affected by heat and strain due to the welding. There is no remelting, peeling, or deterioration of the material, and therefore, there is no medium leakage and a heat exchanger 1 with high durability can be obtained.
【００１９】なお、本実施例においてはコア２の前後両
端面は開放されているが、これらの端面にも第２の媒体
用のタンクを設けてもよく、このような熱交換器も前記
と同様な方法で製作することができ、かつ同様な効果を
得ることができる。Although the front and rear end surfaces of the core 2 are open in this embodiment, a tank for the second medium may be provided on these end surfaces, and such a heat exchanger is also as described above. It can be manufactured by a similar method, and a similar effect can be obtained.
【００２０】[0020]
【発明の効果】本発明方法によれば、コアのろう付け部
がろう付け後に溶接による熱や歪みの影響を受けないの
で、媒体洩れがなくかつ耐久性に富んだ積層型熱交換器
が得られる。According to the method of the present invention, since the brazed portion of the core is not affected by heat and strain due to welding after brazing, a laminated heat exchanger having no medium leakage and having high durability can be obtained. To be
【図１】本発明方法により製造しようとする積層型熱交
換器の一例を示す全体斜視図である。FIG. 1 is an overall perspective view showing an example of a laminated heat exchanger to be manufactured by the method of the present invention.
【図２】図１のII−II線に沿う横断面図である。FIG. 2 is a cross-sectional view taken along the line II-II of FIG.
【図３】コア仮組み前における各コア構成部材を示す斜
視図である。FIG. 3 is a perspective view showing each core constituent member before temporary core assembly.
【図４】仮組みされたコアの斜視図である。FIG. 4 is a perspective view of a temporarily assembled core.
【図５】仮組みされたコアにタンクを溶接した状態を示
す斜視図である。FIG. 5 is a perspective view showing a state in which a tank is welded to a temporarily assembled core.
１…熱交換器、２…コア、３…タンク、４…プレート、
５…フィン、６…バー、７…媒体出口管、８…ろう材、
９…溶接線、10…パイプ接続口。1 ... Heat exchanger, 2 ... Core, 3 ... Tank, 4 ... Plate,
5 ... Fins, 6 ... Bars, 7 ... Medium outlet pipe, 8 ... Brazing material,
9 ... Welding line, 10 ... Pipe connection port.
Claims (1)
互いにろう付けして成るコアと、該コアの端面に溶接さ
れたタンクとを有する積層型熱交換器の製造方法におい
て、前記コアの各構成部材の間にそれぞれろう材を挟ん
で前記コアを仮組みする工程と、この仮組みしたコアの
端面に前記タンクを溶接する工程と、次いで全体を加熱
して前記コア構成部材を前記ろう材により互いにろう付
けする工程とから成ることを特徴とする積層型熱交換器
の製造方法。1. A method for manufacturing a laminated heat exchanger, comprising: a core formed by alternately laminating a plurality of plates and fins and brazing each other; and a tank having a tank welded to an end surface of the core. Temporarily assembling the core by sandwiching a brazing filler metal between the constituent members, welding the tank to the end face of the provisionally assembled core, and then heating the whole to make the core constituent member the brazing filler metal. And a step of brazing each other with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18163292A JPH063076A (en) | 1992-06-17 | 1992-06-17 | Manufacture of laminated heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18163292A JPH063076A (en) | 1992-06-17 | 1992-06-17 | Manufacture of laminated heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH063076A true JPH063076A (en) | 1994-01-11 |
Family
ID=16104166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18163292A Pending JPH063076A (en) | 1992-06-17 | 1992-06-17 | Manufacture of laminated heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH063076A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001048432A1 (en) * | 1999-12-27 | 2001-07-05 | Sumitomo Precision Products Co., Ltd. | Plate fin type heat exchanger for high temperature |
| EP1376041A3 (en) * | 2002-06-21 | 2006-01-25 | Behr GmbH & Co. KG | Process for manufacturing a stacked heat exchanger and stacked heat exchanger |
| EP1764178A1 (en) * | 2005-09-14 | 2007-03-21 | Behr GmbH & Co. KG | Process for manufacturing a stacked heat exchanger and stacked heat exchanger |
| CN110388838A (en) * | 2018-04-19 | 2019-10-29 | 博萨尔排放控制系统公司 | Heat exchanger and for manufacture with manifold core, heat exchanger method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4844843A (en) * | 1971-10-08 | 1973-06-27 |
-
1992
- 1992-06-17 JP JP18163292A patent/JPH063076A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4844843A (en) * | 1971-10-08 | 1973-06-27 |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001048432A1 (en) * | 1999-12-27 | 2001-07-05 | Sumitomo Precision Products Co., Ltd. | Plate fin type heat exchanger for high temperature |
| EP1376041A3 (en) * | 2002-06-21 | 2006-01-25 | Behr GmbH & Co. KG | Process for manufacturing a stacked heat exchanger and stacked heat exchanger |
| EP1764178A1 (en) * | 2005-09-14 | 2007-03-21 | Behr GmbH & Co. KG | Process for manufacturing a stacked heat exchanger and stacked heat exchanger |
| CN110388838A (en) * | 2018-04-19 | 2019-10-29 | 博萨尔排放控制系统公司 | Heat exchanger and for manufacture with manifold core, heat exchanger method |
| JP2019207096A (en) * | 2018-04-19 | 2019-12-05 | ボーサル エミッション コントロール システムズ エヌベー | Heat exchanger and method for manufacturing heat exchanger core with manifold |
| US11359873B2 (en) | 2018-04-19 | 2022-06-14 | Bosal Emission Control Systems Nv | Heat exchanger and method for manufacturing a heat exchanger core with manifold |
| CN110388838B (en) * | 2018-04-19 | 2022-11-25 | 博萨尔排放控制系统公司 | Heat exchanger and method for manufacturing a heat exchanger core with a manifold |
| US11598591B2 (en) | 2018-04-19 | 2023-03-07 | Bosal Emission Control Systems Nv | Heat exchanger and method for manufacturing a heat exchanger core with manifold |
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