JPS6393436A - Manufacture of heat exchanger - Google Patents

Manufacture of heat exchanger

Info

Publication number
JPS6393436A
JPS6393436A JP23947486A JP23947486A JPS6393436A JP S6393436 A JPS6393436 A JP S6393436A JP 23947486 A JP23947486 A JP 23947486A JP 23947486 A JP23947486 A JP 23947486A JP S6393436 A JPS6393436 A JP S6393436A
Authority
JP
Japan
Prior art keywords
shaped
pipe
fins
heat exchanger
bending
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
Application number
JP23947486A
Other languages
Japanese (ja)
Inventor
Atsushi Nagao
厚志 長尾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Priority to JP23947486A priority Critical patent/JPS6393436A/en
Publication of JPS6393436A publication Critical patent/JPS6393436A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-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
    • F28D1/02Heat-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
    • F28D1/04Heat-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
    • F28D1/047Heat-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
    • F28D1/0477Heat-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12Tubular 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
    • F28F1/124Tubular 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 and being formed of pins

Abstract

PURPOSE:To manufacture the heat exchanger with less draft resistance simply and inexpensively by cutting in the middle after fixing numerous pieces of bar like fins on both faces of a U pipe with its placing in parallel in plural pieces and fixing the side plate by bending the obtd. U pipe with the fins. CONSTITUTION:The U pipe 11 obtd. by bending a straight pipe is placed in parallel in plural pieces like on the same level. A bar like fin 12 in an adequate length is fixed in numerous pieces at fixed pitch intervals leaving a bending part 14 on both faces of the U pipe 11. Plural finned U pipes 11 are then obtd. by cutting the fixed bar like fin 12 at the part of the line P-P, Q-Q, etc., located at the adjoining U pipe 11. The U pipe 11 is formed in meandering shape by bending it at the bending part 14 independently respectively. A pair of side plates 13 are thereafter fixed with engagement so as to relatively opposing to the bending part 14 located at both sides. The heat exchanger having good water drop dripping at defrosting time with less draft resistance is thus obtd.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は熱交換器の製造方法に関するものであるO 〔従来技術〕 従来の熱交換器に於いては、第4図に示す如く1本の直
管をU字状に屈曲してU字管1を形成し、このU字管1
に多数の短冊状フィン2を屈曲部3を残して一定のピッ
チ間隔で挿入整列せしめ、その後上記U字管lの内部を
拡管して短冊状フィン2を固定し、然る後第5図に示す
如く上記フィン付U字管1をその屈曲部3を以って蛇行
状に折り曲げ、その両側部に側板4を嵌合固着するよう
にしていた。
[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method for manufacturing a heat exchanger. [Prior Art] In a conventional heat exchanger, one A straight pipe is bent into a U-shape to form a U-shaped pipe 1, and this U-shaped pipe 1 is
A large number of strip-shaped fins 2 are inserted and arranged at regular pitch intervals leaving bent portions 3, and then the inside of the U-shaped tube I is expanded to fix the strip-shaped fins 2, and then as shown in FIG. As shown, the finned U-shaped tube 1 was bent into a meandering shape at its bent portion 3, and side plates 4 were fitted and fixed on both sides thereof.

〔考案が解決しようとする問題点〕[Problem that the invention attempts to solve]

上記方法による熱交換器に於いては、U字管1に多数の
短冊状フィン2を挿入整列せしめた後、該U字管1の内
部を拡管して短冊状フィン2と該U字管1とを固定しな
ければならず、その作業が非常に面倒であり、又短冊状
フィン2の加工も複雑で手間がかかるものであり、更に
上記短冊状フィン2では除霜時の水滴の切れが悪く通風
抵抗も大きいという欠点があった。
In the heat exchanger according to the above method, a large number of strip-shaped fins 2 are inserted and aligned in a U-shaped tube 1, and then the inside of the U-shaped tube 1 is expanded to separate the strip-shaped fins 2 and the U-shaped tube 1. This work is extremely troublesome, and the processing of the strip-shaped fins 2 is also complicated and time-consuming.Furthermore, the strip-shaped fins 2 are difficult to remove water droplets during defrosting. It had the disadvantage of having a large ventilation resistance.

〔問題点を解決するための手段」 1本の直管をU字状に屈曲し、このU字管を同一平面状
となるように複数本並置し、これらU字管の両面に適当
な長さの棒状フィンを屈曲部を残して一定のピンチ間隔
で多数本固着し、このU字管に固着した棒状フィンを隣
り合うU字管に位置する部分で切断して複数のフィン付
0字管となし、このフィン付0字管を夫々屈曲部で屈曲
して蛇行状に形成し、その両側に位置する屈曲部に相対
向する如く1対の側板を嵌合固着して熱交換器を形成す
るようにしている。
[Means for solving the problem] One straight pipe is bent into a U-shape, a plurality of these U-shaped pipes are arranged side by side so that they are on the same plane, and appropriate lengths are placed on both sides of these U-shaped pipes. A large number of rod-shaped fins are fixed at regular pinch intervals with bent parts left, and the rod-shaped fins fixed to the U-shaped tube are cut at the portions located on adjacent U-shaped tubes to form multiple 0-shaped tubes with fins. This finned O-shaped tube is bent at each bent part to form a meandering shape, and a pair of side plates are fitted and fixed so as to face each other at the bent parts located on both sides to form a heat exchanger. I try to do that.

〔作 用〕[For production]

本発明によれば1度に多数の棒状フィン付U字管が形成
されるので製造工程が頗る簡単となる他、フィンとU字
管との固定に際しても従来のようにU字管を拡管すると
いう複雑な工程を省略することができるものであり、又
棒状フィンであるために材料費の節減はもとより、除霜
時の水切れの問題或いは通風抵抗の問題が改善されるも
のである。
According to the present invention, since a large number of rod-shaped finned U-shaped tubes are formed at one time, the manufacturing process is greatly simplified, and when the fins and the U-shaped tube are fixed, the U-shaped tube can be expanded as in the conventional method. The complicated process of fins can be omitted, and since the fins are rod-shaped, not only the cost of materials can be reduced, but also the problems of water drainage during defrosting and ventilation resistance can be solved.

〔実施例〕 11は1本のアルミ製の直管をU字状に屈曲したU字管
であり、その両面には多数のアルミ製棒状フィン12を
ろう付は等により固着し、然る後第1図に示す如く蛇行
状に屈曲される。
[Example] Reference numeral 11 is a U-shaped tube made by bending a straight aluminum tube into a U-shape, and a large number of aluminum rod-shaped fins 12 are fixed to both sides of the tube by brazing or the like, and then It is bent in a meandering manner as shown in FIG.

13は蛇行状に屈曲されたU字管11の屈曲部14に相
対向する如く嵌合固着された1対の側板である。
Reference numeral 13 designates a pair of side plates that are fitted and fixed to the bent portion 14 of the U-shaped tube 11 which is bent in a meandering manner so as to face each other.

以下本発明の熱交換器の製造方法について説明する。先
ず最初、1本の直管をU字状に屈曲し、このU字管11
を同一平面状となるように複数本並置する。
The method for manufacturing the heat exchanger of the present invention will be explained below. First, one straight pipe is bent into a U-shape, and this U-shaped pipe 11
A plurality of these are placed side by side so that they are on the same plane.

而して、これらU字管11の両面に第3図に示す如く烏
当な長さの棒状フィン12を屈曲部14を残して一定の
ピンチ間隔で多数本固着する。
As shown in FIG. 3, a large number of rod-shaped fins 12 of a certain length are fixed to both sides of these U-shaped tubes 11 at regular pinch intervals, leaving bent portions 14.

然る後、上記U字管11に固着した棒状フィン12を隣
り合うU字管11に位置する部分、即ちP−P線及びQ
−Q線で切断して複数のフィン付0字管を製作する。
After that, the rod-shaped fins 12 fixed to the U-shaped tube 11 are connected to the portions located on the adjacent U-shaped tubes 11, that is, the P-P line and the Q
- Cut along the Q line to produce multiple 0-shaped tubes with fins.

而して、複数の分割されたフィン付0字管(第2図示)
を夫々単独に第1図に示す如く屈曲部14で屈曲して蛇
行状に形成し、その両側に1対の側板13を嵌合固着す
る。
Therefore, a plurality of divided finned O-tubes (as shown in the second figure)
As shown in FIG. 1, each side plate is individually bent at a bent portion 14 to form a meandering shape, and a pair of side plates 13 are fitted and fixed on both sides thereof.

以上の製造方法によれば多数の短冊状フィン2をU字管
1に挿通整列する作業やU字管1を拡管して上記短冊状
フィン2を固定する等の面倒な作業が必要でなくなり、
同一平面状に並置したU字管11に多数の棒状フィン1
2をろう付は等により固着するだけの簡単な作業でフィ
ン12とU字管11との固定を行なうことができる他、
P −P線或いはQ−Q線で棒状フィン12を切断する
だけで複数本のフィン付きU字管が製作され、製造工程
が頗る簡略化される。
According to the above manufacturing method, there is no need for troublesome work such as inserting and aligning a large number of strip-shaped fins 2 into the U-shaped tube 1, expanding the U-shaped tube 1, and fixing the strip-shaped fins 2, etc.
A large number of rod-shaped fins 1 are arranged in U-shaped tubes 11 on the same plane.
In addition to being able to fix the fin 12 and the U-shaped tube 11 with a simple operation of fixing the fins 12 and 2 by brazing or the like,
A plurality of finned U-shaped tubes can be manufactured by simply cutting the rod-like fins 12 along the P-P line or the Q-Q line, greatly simplifying the manufacturing process.

又、棒状フィン12であるために短冊状フィンに比して
材料費が節減されるのみならず、従来問題となっていた
除霜時の水切れや通風抵抗についても改善されるもので
ある。
Moreover, since the fins 12 are rod-shaped, not only is the material cost reduced compared to strip-shaped fins, but the conventional problems of water drainage and ventilation resistance during defrosting are also improved.

〔効 果〕〔effect〕

本発明は以上の如く構成されるものであるから従来に比
して製造工程が頗る簡単となり大量生産に適し材料費も
節減できて大巾コストダウンを計ることができるという
顕著な効果を奏し得るものである。
Since the present invention is constructed as described above, the manufacturing process is much simpler than the conventional one, and it is suitable for mass production, and material costs can be reduced, resulting in significant cost reductions. It is something.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の製造方法により製作された熱交換器の
外観斜視図、第2図は同上熱交換器のフィン付0字管の
外観斜視図、第3図は同上フィン付U字管の製造工程を
示す図、第4図は従来熱交換器のフィン付0字管の外観
斜視図、第5図は従来熱交換器の外観斜視図を示す。 11:U字管、  12:棒状フィン、  13:側板
、  14:屈曲部。 代理人 弁理士 杉 山 毅 至(他1名)薯1図 第2 図 第3 図 第 4 Q 第 5図
Fig. 1 is an external perspective view of a heat exchanger manufactured by the manufacturing method of the present invention, Fig. 2 is an external perspective view of a finned O-shaped tube of the same heat exchanger, and Fig. 3 is an external perspective view of the finned U-shaped tube of the same above. FIG. 4 is an external perspective view of a finned O-shaped tube of a conventional heat exchanger, and FIG. 5 is an external perspective view of a conventional heat exchanger. 11: U-shaped tube, 12: Rod-shaped fin, 13: Side plate, 14: Bent part. Agent Patent Attorney Takeshi Sugiyama (1 other person) Figure 1 Figure 2 Figure 3 Figure 4 Q Figure 5

Claims (1)

【特許請求の範囲】[Claims] 1、1本の直管をU字状に屈曲し、このU字管を同一平
面状となるように複数本並置し、これらU字管の両面に
適当な長さの棒状フィンを屈曲部を残して一定のピッチ
間隔で多数本固着し、このU字管に固着した棒状フィン
を隣り合うU字管に位置する部分で切断して複数のフィ
ン付U字管となし、このフィン付U字管を夫々屈曲部で
屈曲して蛇行状に形成し、その両側に位置する屈曲部に
相対向する如く1対の側板を嵌合固着して熱交換器を形
成するようにした事を特徴としてなる熱交換器の製造方
法。
1. Bend one straight tube into a U-shape, arrange multiple U-shaped tubes side by side so that they are on the same plane, and place rod-shaped fins of appropriate length on both sides of these U-shaped tubes at the bent part. The rod-shaped fins fixed to this U-shaped tube are cut at the portions located on adjacent U-shaped tubes to form a plurality of finned U-shaped tubes. A heat exchanger is formed by bending the tubes at each bent part to form a meandering shape, and by fitting and fixing a pair of side plates facing each other at the bent parts located on both sides of the pipe. A method for manufacturing a heat exchanger.
JP23947486A 1986-10-08 1986-10-08 Manufacture of heat exchanger Pending JPS6393436A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23947486A JPS6393436A (en) 1986-10-08 1986-10-08 Manufacture of heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23947486A JPS6393436A (en) 1986-10-08 1986-10-08 Manufacture of heat exchanger

Publications (1)

Publication Number Publication Date
JPS6393436A true JPS6393436A (en) 1988-04-23

Family

ID=17045306

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23947486A Pending JPS6393436A (en) 1986-10-08 1986-10-08 Manufacture of heat exchanger

Country Status (1)

Country Link
JP (1) JPS6393436A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0352731A (en) * 1989-07-21 1991-03-06 Fujitsu General Ltd Manufacture of heat exchanger
FR2809484A1 (en) * 2000-05-23 2001-11-30 Behr Gmbh & Co HEAT EXCHANGER BLOCK
EP1872078A1 (en) * 2005-04-01 2008-01-02 Fiwihex B.V. Heat exchanger and applications thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0352731A (en) * 1989-07-21 1991-03-06 Fujitsu General Ltd Manufacture of heat exchanger
FR2809484A1 (en) * 2000-05-23 2001-11-30 Behr Gmbh & Co HEAT EXCHANGER BLOCK
EP1872078A1 (en) * 2005-04-01 2008-01-02 Fiwihex B.V. Heat exchanger and applications thereof

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