JP2008039309A - Heat exchanger - Google Patents
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- JP2008039309A JP2008039309A JP2006215258A JP2006215258A JP2008039309A JP 2008039309 A JP2008039309 A JP 2008039309A JP 2006215258 A JP2006215258 A JP 2006215258A JP 2006215258 A JP2006215258 A JP 2006215258A JP 2008039309 A JP2008039309 A JP 2008039309A
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Abstract
Description
この発明は、オイルクーラ、アフタークーラ、ラジエータ等として用いられる熱交換器に関する。 The present invention relates to a heat exchanger used as an oil cooler, aftercooler, radiator or the like.
オイルクーラ、アフタークーラ、ラジエータなどとして用いられる熱交換器として、互いに間隔をおいて配置された１対のタンク部と、両タンク部間に間隔をおいて並列状に設けられた複数の扁平状流体流通部とを備えており、各タンク部に少なくとも１つのヘッダ部が設けられるとともに、流体流通部がヘッダ部に連通させられた熱交換器であって、相互に間隔をおいて並列状に配置されかつ両端が開口した扁平中空体と、両端の扁平中空体の外側にそれぞれ間隔をおいて配置されたサイドプレートと、隣り合う扁平中空体の両端部間および両端の扁平中空体とサイドプレートの両端部間に配置され、かつ両側の扁平中空体、および扁平中空体とサイドプレートにろう付されたブロック状のスペーサと、扁平中空体側に開口した略Ｕ字状であり、扁平中空体の両端面の長さ方向両端部、およびスペーサに溶接されたヘッダ部材と、ヘッダ部材の両端およびスペーサに溶接され、かつヘッダ部材の両端開口を閉鎖する閉鎖部材とを備えており、ヘッダ部材および閉鎖部材により１つのヘッダ部が形成され、各扁平中空体全体により各流体流通部が形成された熱交換器が知られている（特許文献１参照）。 As a heat exchanger used as an oil cooler, aftercooler, radiator, etc., a pair of tank parts arranged at intervals from each other, and a plurality of flat shapes provided in parallel at intervals between both tank parts Each of the tank parts is provided with at least one header part, and the fluid circulation part is communicated with the header part, and is in parallel with a space between each other. A flat hollow body that is disposed and open at both ends, a side plate that is spaced apart from the flat hollow body at both ends, and between both ends of adjacent flat hollow bodies, and a flat hollow body and a side plate at both ends A flat hollow body on both sides, a block-like spacer brazed to the flat hollow body and the side plate, and a substantially U-shape opening to the flat hollow body side. Both end portions of the flat hollow body in the length direction, header members welded to the spacers, and closing members welded to both ends of the header members and the spacers and closing both end openings of the header members. In addition, there is known a heat exchanger in which one header portion is formed by a header member and a closing member, and each fluid circulation portion is formed by the entire flat hollow body (see Patent Document 1).
このような熱交換器は、タンク部材および閉鎖部材を除いた全部品を一括してろう付した後、タンク部材および閉鎖部材を外側からアーク溶接することにより製造されている。 Such a heat exchanger is manufactured by collectively brazing all parts except the tank member and the closing member, and then arc welding the tank member and the closing member from the outside.
しかしながら、スペーサの熱容量とヘッダ部材の熱容量とが比較的大きく異なっているので、溶接部の内側において溶け込み不足などの溶接欠陥が生じるおそれがある。しかも、このような溶接欠陥の発生を防止するには、溶接作業者の熟練度が必要になる。また、閉鎖部材もヘッダ部材およびスペーサにアーク溶接しているので、その作業が面倒であるという問題がある。
この発明の目的は、上記問題を解決し、製造時の溶接欠陥の発生を比較的簡単に防止しうる熱交換器を提供することにある。 An object of the present invention is to provide a heat exchanger that can solve the above-mentioned problems and can relatively easily prevent the occurrence of weld defects during production.
本発明は、上記目的を達成するために以下の態様からなる。 In order to achieve the above object, the present invention comprises the following aspects.
1)互いに間隔をおいて配置された１対のタンク部と、両タンク部間に間隔をおいて並列状に設けられた複数の扁平状流体流通部とを備えており、各タンク部に少なくとも１つのヘッダ部が設けられるとともに、流体流通部がヘッダ部に連通させられた熱交換器であって、
相互に間隔をおいて並列状に配置されかつ両端が開口した扁平中空体と、扁平中空体の長さ方向外方に開口した略Ｕ字状であり、かつ隣り合う扁平中空体の両端部間に配置されて両扁平中空体にろう付されるとともに、隣り合う扁平中空体の内部どうしを通じさせる連通部材と、扁平中空体および連通部材に溶接され、かつ扁平中空体の両端開口および連通部材における扁平中空体の長さ方向外方への開口を閉鎖する閉鎖プレートとを備えており、連通部材、扁平中空体の両端部における連通部材にろう付された部分および閉鎖プレートによってヘッダ部が形成され、扁平中空体における連通部材へのろう付部を除いた部分によって流体流通部が形成されている熱交換器。
1) A pair of tank parts arranged at intervals from each other and a plurality of flat fluid circulation parts provided in parallel with an interval between both tank parts, each tank part having at least A heat exchanger in which one header part is provided and the fluid circulation part is communicated with the header part,
Flat hollow bodies that are arranged in parallel and spaced apart from each other and open at both ends, and substantially U-shaped that open outward in the longitudinal direction of the flat hollow bodies, and between both ends of adjacent flat hollow bodies Are connected to both flat hollow bodies and connected to each other through the insides of the adjacent flat hollow bodies, welded to the flat hollow bodies and the communication members, and both ends of the flat hollow bodies and the communication members And a closing plate that closes the opening of the flat hollow body outward in the longitudinal direction, and a header portion is formed by the communication member, portions brazed to the communication member at both ends of the flat hollow body, and the closing plate. A heat exchanger in which a fluid circulation portion is formed by a portion of the flat hollow body excluding the brazing portion to the communication member.
2)扁平中空体が、互いに対向する１対の長方形状平坦壁と、両平坦壁の両側縁部どうしに跨る両側壁とを備えており、両平坦壁の両端部に切り欠きが形成されている上記1)記載の熱交換器。 2) A flat hollow body is provided with a pair of rectangular flat walls facing each other and both side walls straddling both side edges of both flat walls, and notches are formed at both ends of both flat walls. The heat exchanger as described in 1) above.
3)扁平中空体が、互いに間隔をおいて配置された１対の平板と、両平板間に配置されかつ両平板にろう付された流路形成体とにより形成され、流路形成体が、両平板の両側縁部間に跨って両平板にろう付された両側壁、および両側壁の高さ方向の中間部どうしを一体に連結するように設けられた伝熱面積拡大部よりなり、各平板により扁平中空体の各平坦壁が形成され、流路形成体の両側壁により扁平中空体の両側壁が形成されている上記2)記載の熱交換器。 3) A flat hollow body is formed by a pair of flat plates arranged at a distance from each other and a flow path forming body disposed between both flat plates and brazed to both flat plates, It consists of both side walls brazed to both flat plates across both side edges of both flat plates, and a heat transfer area expansion portion provided so as to integrally connect intermediate portions in the height direction of both side walls, The heat exchanger according to 2) above, wherein each flat wall of the flat hollow body is formed by a flat plate, and both side walls of the flat hollow body are formed by both side walls of the flow path forming body.
4)１つのヘッダ部の両端に位置する扁平中空体における外側の平坦壁の切り欠きが、扁平中空体の外側の平坦壁外面にろう付された閉鎖部材により塞がれており、閉鎖プレートの両端部が閉鎖部材に溶接されている上記2)または3)記載の熱交換器。 4) The notch of the outer flat wall in the flat hollow body located at both ends of one header portion is closed by a closing member brazed to the outer surface of the flat wall on the outer side of the flat hollow body. The heat exchanger according to 2) or 3), wherein both ends are welded to the closing member.
5)一方のタンク部に、扁平中空体の長さ方向と直交する方向に並んだ複数のヘッダ部が設けられ、他方のタンク部に、前記一端側のヘッダ部の数よりも１つ少ないヘッダ部が前記一端側の隣り合う２つのヘッダ部に跨るように設けられており、隣り合う２つのヘッダ部間に１つの閉鎖部材が配置され、閉鎖部材が、両ヘッダ部の互いに近接した２つの扁平中空体の平坦壁外面にろう付されている上記4)記載の熱交換器。 5) One tank part is provided with a plurality of header parts arranged in a direction perpendicular to the length direction of the flat hollow body, and the other tank part has one less header than the number of header parts on the one end side. Part is provided so as to straddle two adjacent header parts on the one end side, and one closing member is disposed between the two adjacent header parts, and the closing member includes two adjacent two header parts. The heat exchanger according to 4) above, which is brazed to the outer surface of the flat wall of the flat hollow body.
6)閉鎖部材が、閉鎖プレートの両端部が溶接された板状部を有しており、板状部の肉厚と閉鎖プレートの肉厚とが同程度である上記4)または5)記載の熱交換器。 6) The closing member has a plate-like portion in which both ends of the closing plate are welded, and the thickness of the plate-like portion and the thickness of the closing plate are approximately the same. Heat exchanger.
7)連通部材が、閉鎖プレートの両側縁部が溶接された板状部を有しており、板状部の肉厚と閉鎖プレートの肉厚とが同程度である上記1)〜6)のうちのいずれかに記載の熱交換器。 7) The communication member has a plate-like portion welded on both side edges of the closing plate, and the thickness of the plate-like portion and the thickness of the closing plate are approximately the same. A heat exchanger according to any of the above.
8)上記1)載の熱交換器を製造する方法であって、扁平中空体と連通部材とをろう付した後、両側縁部に幅方向外方に向かって漸次薄肉となった薄肉部を有する閉鎖プレートを、扁平中空体および連通部材に溶接することを含む熱交換器の製造方法。 8) A method for producing the heat exchanger according to 1) above, wherein after the flat hollow body and the communication member are brazed, the thin-walled portions gradually thinned outward in the width direction on both side edges. The manufacturing method of the heat exchanger including welding the closure plate which has to a flat hollow body and a communicating member.
9)上記4)記載の熱交換器を製造する方法であって、扁平中空体と連通部材と閉鎖部材とをろう付した後、両側縁部に幅方向外方に向かって漸次薄肉となった薄肉部を有するとともに、両端部に長さ方向外方に向かって漸次薄肉となった薄肉部を有する閉鎖プレートを、扁平中空体、連通部材および閉鎖部材に溶接することを含む熱交換器の製造方法。 9) A method for producing a heat exchanger as described in 4) above, wherein after flattened hollow bodies, communication members, and closing members are brazed, both sides are gradually thinned outward in the width direction. Manufacturing of a heat exchanger including welding a flat plate, a communication member, and a closure member with a closure plate having a thin wall portion and thin wall portions gradually thinning outward in the length direction at both ends. Method.
10)上記1)〜7)のうちのいずれかに記載の熱交換器をオイルクーラとして備えている産業機械。 10) An industrial machine provided with the heat exchanger according to any one of 1) to 7) as an oil cooler.
11)上記1)〜7)のうちのいずれかに記載の熱交換器をアフタークーラとして備えている産業機械。 11) An industrial machine comprising the heat exchanger according to any one of 1) to 7) as an aftercooler.
上記1)の熱交換器によれば、連通部材と閉鎖プレートとの熱容量の差を比較的小さくすることが可能になるので、両者の溶接部の内側においての溶け込み不足などの溶接欠陥の発生を、比較的簡単に防止することができる。しかも、通常の溶接作業により溶接欠陥の発生を防止することができるので、溶接作業も簡単である。さらに、閉鎖プレートがヘッダ部を構成しているので、入口部材および出口部材を取り付けるために必要な追加工を、特許文献１記載のタンク部材の場合に比べて簡単に行うことができる。 According to the heat exchanger of 1), the difference in heat capacity between the communication member and the closing plate can be made relatively small, so that welding defects such as insufficient penetration inside the welded portion of both can be generated. Can be prevented relatively easily. In addition, since welding defects can be prevented by normal welding work, the welding work is also easy. Furthermore, since the closing plate constitutes the header portion, the additional work required for attaching the inlet member and the outlet member can be easily performed as compared with the case of the tank member described in Patent Document 1.
上記2)および3)の熱交換器によれば、隣り合う扁平中空体の内部どうしを、連通部材を介して簡単に通じさせることができる。 According to the heat exchangers 2) and 3), the insides of adjacent flat hollow bodies can be easily communicated with each other via the communication member.
上記4)の熱交換器によれば、閉鎖部材が扁平中空体の外側の平坦壁外面にろう付されているので、閉鎖部材をタンク部材にアーク溶接する特許文献１記載の熱交換器に比較して、溶接工程を減少させることができる。また、閉鎖部材と閉鎖プレートとの熱容量の差を比較的小さくすることが可能になるので、両者の溶接部の内側においての溶け込み不足などの溶接欠陥の発生を、比較的簡単に防止することができる。 According to the heat exchanger of 4) above, since the closing member is brazed to the outer surface of the flat wall outside the flat hollow body, it is compared with the heat exchanger described in Patent Document 1 in which the closing member is arc welded to the tank member. Thus, the welding process can be reduced. In addition, since the difference in heat capacity between the closing member and the closing plate can be made relatively small, it is possible to relatively easily prevent the occurrence of welding defects such as insufficient penetration inside the welded portion of both. it can.
上記5)の熱交換器によれば、流体流通部における流体の流れ方を、当該流体と、隣り合う流体流通部どうし間の通風間隙を流れる空気との熱交換効率を向上させうる上で好適なものにすることができるとともに、配管作業上好適なものにすることができる。 According to the heat exchanger of the above 5), it is preferable to improve the heat exchange efficiency between the fluid and the air flowing through the ventilation gap between the adjacent fluid circulation portions, in terms of how the fluid flows in the fluid circulation portion. It can be made suitable, and it can be made suitable for piping work.
上記6)の熱交換器によれば、閉鎖部材と閉鎖プレートとの熱容量の差を効果的に小さくすることが可能になるので、両者の溶接部の内側においての溶け込み不足などの溶接欠陥の発生を一層効果的に防止することができる。 According to the heat exchanger of the above 6), since it becomes possible to effectively reduce the difference in heat capacity between the closing member and the closing plate, occurrence of welding defects such as insufficient penetration inside the welded portion of both Can be more effectively prevented.
上記7)の熱交換器によれば、連通部材と閉鎖プレートとの熱容量の差を効果的に小さくすることが可能になるので、両者の溶接部の内側においての溶け込み不足などの溶接欠陥の発生を一層効果的に防止することができる。 According to the heat exchanger of the above 7), since it becomes possible to effectively reduce the difference in heat capacity between the communication member and the closing plate, the occurrence of welding defects such as insufficient penetration inside the welded part of both Can be more effectively prevented.
上記8)の熱交換器の製造方法によれば、閉鎖プレートの両側縁部と、扁平中空体および連通部材との溶接部内側への溶け込み不足などの溶接欠陥の発生を、効果的に防止することができる。 According to the heat exchanger manufacturing method of 8), it is possible to effectively prevent the occurrence of welding defects such as insufficient penetration of the both side edges of the closing plate and the flat hollow body and the communication member inside the welded portion. be able to.
上記9)の熱交換器の製造方法によれば、閉鎖プレートの両側縁部と、扁平中空体および連通部材との溶接部内側への溶け込み不足などの溶接欠陥の発生を、効果的に防止することができるとともに、閉鎖プレートの両端部と、閉鎖部材との溶接部内側への溶け込み不足などの溶接欠陥の発生を、効果的に防止することができる。 According to the heat exchanger manufacturing method of 9), it is possible to effectively prevent the occurrence of welding defects such as insufficient penetration of the both side edges of the closing plate, the flat hollow body, and the inside of the welded portion of the communication member. In addition, it is possible to effectively prevent the occurrence of welding defects such as insufficient penetration of the both ends of the closing plate and the inside of the welded portion with the closing member.
以下、この発明の実施形態を、図面を参照して説明する。 Embodiments of the present invention will be described below with reference to the drawings.
なお、以下の説明において、図１の上下、左右を上下、左右というものとする。また、通風方向下流側（図１に矢印Ｘで示す方向）を前、これと反対側を後というものとする。 In the following description, the upper and lower sides and the left and right sides in FIG. Further, the downstream side in the ventilation direction (the direction indicated by the arrow X in FIG. 1) is the front, and the opposite side is the rear.
さらに、以下の説明において、「アルミニウム」という用語には、純アルミニウムの他にアルミニウム合金を含むものとする。 Furthermore, in the following description, the term “aluminum” includes aluminum alloys in addition to pure aluminum.
図１において、熱交換器(1)は、産業機械、たとえばロードコンプレッサのオイルクーラとして用いられるものであって、左右方向に間隔をおいて配置された１対のタンク部(2)(3)と、両タンク部間に上下方向に間隔をおいて並列状に設けられかつ左右方向に伸びる複数の扁平状流体流通部(4)と、隣り合う流体流通部(4)どうしの間の通風間隙、および上下両端の流体流通部(4)の外側に配置されて流体流通部(4)にろう付されたアルミニウム製コルゲートフィン(5)と、上下両端のコルゲートフィン(5)の外側に配置されてコルゲートフィン(5)にろう付されたアルミニウムブレージングシート製サイドプレート(6)とを備えており、右側タンク部(2)に上下方向に並んで複数、ここでは２つのヘッダ部(7)(8)が設けられ、左側タンク部(3)に右側タンク部(2)よりも１つ少ない数、ここでは１つのヘッダ部(9)が、右側タンク部(2)の隣り合う２つのヘッダ部(7)(8)に跨るように設けられている。右側タンク部(2)の上側ヘッダ部(7)がオイルが流入する入口ヘッダ部であり、同下側のヘッダ部(8)がオイルが流出する出口ヘッダ部であり、左側タンク部(3)のヘッダ部(9)が中間ヘッダ部である。入口ヘッダ部(7)にアルミニウム製入口部材(11)が、出口ヘッダ部(8)にアルミニウム製出口部材(12)がそれぞれ溶接されている。 In FIG. 1, a heat exchanger (1) is used as an oil cooler of an industrial machine, for example, a load compressor, and is a pair of tank parts (2) (3) arranged at intervals in the left-right direction. And a plurality of flat fluid circulation portions (4) provided in parallel in the vertical direction between the tank portions and extending in the left-right direction, and a ventilation gap between adjacent fluid circulation portions (4) And aluminum corrugated fins (5) disposed outside the fluid circulation part (4) at both upper and lower ends and brazed to the fluid circulation part (4), and disposed outside the corrugated fins (5) at both upper and lower ends. The side plate (6) made of aluminum brazing sheet brazed to the corrugated fin (5), and a plurality of (here, two header parts (7) ( 8) is provided, and the left tank part (3) is more than the right tank part (2). One small number, one header portion here is (9), is provided so as to straddle the right tank section two header portions adjacent (2) (7) (8). The upper header portion (7) of the right tank portion (2) is an inlet header portion into which oil flows, and the lower header portion (8) is an outlet header portion from which oil flows out, and the left tank portion (3). The header part (9) is an intermediate header part. An aluminum inlet member (11) is welded to the inlet header portion (7), and an aluminum outlet member (12) is welded to the outlet header portion (8).
図１〜図５に示すように、この熱交換器(1)は、幅方向が前後方向を向くように上下方向に間隔をおいて並列状に配置され、かつ左右方向に伸びるとともに両端が開口した扁平中空体(13)と、扁平中空体(13)の長さ方向外方に開口した略Ｕ字状であり、かつ全扁平中空体(13)の隣り合うものどうしの左端部間、および上下方向の中間部に配置された隣り合う２つの扁平中空体(13)を除いた扁平中空体(13)の隣り合うものどうしの右端部間に配置されて両扁平中空体(13)にろう付されるとともに、隣り合う扁平中空体(13)の内部どうしを通じさせるアルミニウム押出形材製連通部材(14)と、上端の扁平中空体(13)上面の左右両端部、下端の扁平中空体(13)下面の左右両端部、および上下方向の中間部に配置された隣り合う２つの扁平中空体(13)の右端部間に配置されて両扁平中空体(13)にろう付されたアルミニウム押出形材製閉鎖部材(15)と、右側の上端の閉鎖部材(15)と上下方向中間部の閉鎖部材(15)とに跨るように配置されるとともに、扁平中空体(13)、連通部材(14)および両閉鎖部材(15)に溶接され、かつ扁平中空体(13)の両端開口および連通部材(14)における扁平中空体(13)の長さ方向外方（右方）への開口を閉鎖するアルミニウム押出形材製第１閉鎖プレート(16)と、右側の下端の閉鎖部材(15)と上下方向中間部の閉鎖部材(15)とに跨るように配置されるとともに、扁平中空体(13)、連通部材(14)および両閉鎖部材(15)に溶接され、かつ扁平中空体(13)の両端開口および連通部材(14)における扁平中空体(13)の長さ方向外方（右方）への開口を閉鎖するアルミニウム押出形材製第２閉鎖プレート(17)と、左側の上下両端の閉鎖部材(15)に跨るように配置されるとともに、扁平中空体(13)、連通部材(14)および両閉鎖部材(15)に溶接され、かつ扁平中空体(13)の両端開口および連通部材(14)における扁平中空体(13)の長さ方向外方（左方）への開口を閉鎖するアルミニウム押出形材製第３閉鎖プレート(18)とを備えている。 As shown in FIGS. 1 to 5, the heat exchanger (1) is arranged in parallel in the vertical direction so that the width direction faces the front-rear direction, and extends in the left-right direction and is open at both ends. Between the left ends of adjacent flat hollow bodies (13), and a substantially U-shape that opens outward in the longitudinal direction of the flat hollow bodies (13), and all the flat hollow bodies (13), and Placed between the right ends of adjacent flat hollow bodies (13) excluding two adjacent flat hollow bodies (13) arranged in the middle in the vertical direction, will be in both flat hollow bodies (13) And an aluminum extruded shape communicating member (14) passing through the inside of the adjacent flat hollow body (13), the left and right ends of the upper surface of the upper flat hollow body (13), and the lower flat hollow body ( 13) Arranged between the right and left ends of two flat hollow bodies (13) arranged at the left and right ends of the lower surface and the middle of the vertical direction The aluminum extruded profile member (15) brazed to both the flat hollow bodies (13), the right upper end closure member (15), and the upper middle closure member (15). And is welded to the flat hollow body (13), the communicating member (14) and both the closing members (15), and the flat hollow body (14) at both ends of the flat hollow body (13) and the communicating member (14). 13) a first extruded plate made of aluminum extruded material (16) that closes the longitudinal outward (right) opening, a right lower closing member (15), and a vertical intermediate closing member ( 15) and is welded to the flat hollow body (13), the communicating member (14), and both closing members (15), and both ends of the flat hollow body (13) and the communicating member (14 ), A second closing plate (17) made of extruded aluminum that closes the opening of the flat hollow body (13) to the outside in the length direction (right side), and Arranged so as to straddle the chain member (15), welded to the flat hollow body (13), the communication member (14), and both closing members (15), and both ends of the flat hollow body (13) and the communication member And a third closed plate (18) made of an extruded aluminum material for closing the opening of the flat hollow body (13) in (14) to the outside in the length direction (left side).
そして、全扁平中空体(13)の右端部、右側の全連通部材(14)、右側の全閉鎖部材(15)、ならびに第１および第２閉鎖プレート(16)(17)により右側タンク部(2)が構成され、全扁平中空体(13)の左端部、左側の全連通部材(14)、左側の全閉鎖部材(15)、および第３閉鎖プレート(18)により左側タンク部(3)が構成されている。右側タンク部(2)における上下方向中間部の閉鎖部材(15)よりも上方に配置された連通部材(14)、当該閉鎖部材(15)よりも上方に配置された扁平中空体(13)の右端部における連通部材(14)にろう付された部分および第１閉鎖プレート(16)によって入口ヘッダ部(7)が形成され、同じく上下方向中間部の閉鎖部材(15)よりも下方に配置された連通部材(14)、当該閉鎖部材(15)よりも下方に配置された扁平中空体(13)の右端部における連通部材(14)にろう付された部分および第２閉鎖プレート(17)によって出口ヘッダ部(8)が形成されている。また、左側タンク部(3)における上下両端の閉鎖部材(15)、全連通部材(14)、全扁平中空体(13)の左端部における連通部材(14)にろう付された部分および第３閉鎖プレート(18)によって中間ヘッダ部(9)が形成されている。さらに、扁平中空体(13)における連通部材(14)へのろう付部を除いた部分によって流体流通部(4)が形成されている。上下のサイドプレート(6)の両端部は、それぞれ上端および下端の閉鎖部材(15)にろう付されている。 Then, the right tank portion is formed by the right end portion of the all flat hollow body (13), the right communication member (14), the right closing member (15), and the first and second closing plates (16) and (17). 2), and the left tank part (3) is constituted by the left end part of the all flat hollow body (13), the all communication member (14) on the left side, the all closing member (15) on the left side, and the third closing plate (18). Is configured. The communication member (14) disposed above the closing member (15) at the middle in the vertical direction in the right tank portion (2), and the flat hollow body (13) disposed above the closing member (15). The inlet header portion (7) is formed by the portion brazed to the communication member (14) at the right end portion and the first closing plate (16), and is also disposed below the closing member (15) at the middle portion in the vertical direction. A communicating member (14), a portion brazed to the communicating member (14) at the right end of the flat hollow body (13) disposed below the closing member (15), and a second closing plate (17) An outlet header portion (8) is formed. In addition, the left tank portion (3) has upper and lower closing members (15), all communication members (14), a portion brazed to the communication member (14) at the left end portion of the all flat hollow body (13), and the third An intermediate header portion (9) is formed by the closing plate (18). Further, the fluid circulation part (4) is formed by the part of the flat hollow body (13) excluding the brazed part to the communication member (14). Both ends of the upper and lower side plates (6) are brazed to upper and lower closing members (15), respectively.
扁平中空体(13)は互いに対向する左右方向に長い上下１対の長方形状平坦壁(13a)と、両平坦壁(13a)の前後両側縁部どうしに跨る前後両側壁(13b)とを備えており、両面にろう材層を有するアルミニウムブレージングシートよりなりかつ上下方向に間隔をおいて配された２枚の長方形状平板(21)と、両平板(21)間に配されかつ両平板(21)にろう付されたアルミニウム押出形材製流路形成体(22)とよりなる。 The flat hollow body (13) includes a pair of upper and lower rectangular flat walls (13a) which are long in the lateral direction facing each other, and both front and rear side walls (13b) straddling the front and rear side edges of both flat walls (13a). Two rectangular flat plates (21) made of an aluminum brazing sheet having brazing filler metal layers on both sides and spaced apart in the vertical direction, and both flat plates (21) 21) and a flow path forming body (22) made of extruded aluminum material brazed to 21).
両平板(21)の左右両端部にはそれぞれ切り欠き(23)が形成されており、この切り欠き(23)を介して扁平中空体(13)内が連通部材(14)内に通じている。流路形成体(22)は、両平板(21)の前後両側縁部間に跨る前後両側壁(24)、および前後両側壁(24)の高さ方向の中間部どうしを一体に連結するように設けられた伝熱面積拡大部(25)よりなる。 Cutouts (23) are formed in the left and right ends of both flat plates (21), and the inside of the flat hollow body (13) communicates with the communication member (14) through the cutouts (23). . The flow path forming body (22) integrally connects the front and rear side walls (24) straddling between the front and rear side edges of both flat plates (21) and the middle part in the height direction of the front and rear side walls (24). It consists of a heat-transfer area expansion part (25) provided in.
上下の平板(21)が扁平中空体(13)の上下両平坦壁(13a)となるとともに、流路形成体(22)の前後両側壁(24)が上下両平坦壁(13a)の前後両側縁に跨る側壁(13b)となり、上下両平坦壁(13a)の左右両端部に切り欠き(23)が形成されている。伝熱面積拡大部(25)は、上方突出屈曲部(26a)と下方突出屈曲部(26b)とが、水平部(26c)を介して左右方向に交互に設けられてなる波状帯板部(26)が、前後方向に複数並べられかつ水平部(26c)において相互に一体に連結されることにより形成されたものである。また、伝熱面積拡大部(25)において、前後方向に隣接する波状帯板部(26)の上方突出屈曲部(26a)どうしおよび下方突出屈曲部(26b)どうしはそれぞれ左右方向にずれて形成されている。伝熱面積拡大部(25)の左右両端部は、平板(21)の切り欠き(23)と対応するように切り欠かれている。 The upper and lower flat plates (21) are the upper and lower flat walls (13a) of the flat hollow body (13), and the front and rear side walls (24) of the flow path forming body (22) are both front and rear sides of the upper and lower flat walls (13a). A side wall (13b) straddling the edge is formed, and notches (23) are formed at both left and right ends of the upper and lower flat walls (13a). The heat transfer area expanding portion (25) is a corrugated band plate portion in which an upward protruding bent portion (26a) and a downward protruding bent portion (26b) are alternately provided in the left-right direction via a horizontal portion (26c) ( 26) are formed by being arranged in the front-rear direction and integrally connected to each other at the horizontal portion (26c). Further, in the heat transfer area enlarged portion (25), the upper protruding bent portion (26a) and the lower protruding bent portion (26b) of the corrugated strip portion (26) adjacent in the front-rear direction are formed shifted in the left-right direction. Has been. The left and right end portions of the heat transfer area expanding portion (25) are notched so as to correspond to the notches (23) of the flat plate (21).
流路形成体(22)は、直線状の前後両側壁(24)と、両側壁(24)の高さの中間部間に一体に形成されかつ両側壁(24)の全長にわたる平板状部とよりなるアルミニウム押出形材を製造し、ついで平板状部の両端部をそれぞれ所定長さにわたって切除した後、平板状部にプレス加工を施すことにより伝熱面積拡大部(25)を形成することにより形成される。 The flow path forming body (22) includes a straight front and rear side walls (24) and a flat plate portion formed integrally between the middle portions of the heights of the side walls (24) and extending over the entire length of the side walls (24). By forming an aluminum extruded profile, and then cutting both ends of the flat plate portion over a predetermined length, and then forming the heat transfer area enlarged portion (25) by pressing the flat plate portion. It is formed.
連通部材(14)は、平面から見て左右方向外方に開口した略Ｕ字状であって、垂直状の前後両板状部(14a)および前後両板状部(14a)の左右方向内端を一体に連結する垂直板状の連結部(14b)とよりなり、扁平中空体(13)の平坦壁(13a)の外面に、平板(21)のろう材層を利用してろう付されている。そして、隣り合う２つの扁平中空体(13)の内部は、平板(21)、すなわち平坦壁(13a)の切り欠き(23)および連通部材(14)の内部空間を介して通じさせられている。 The communication member (14) has a substantially U-shape that opens outward in the left-right direction when viewed from the plane, and is provided in the left-right direction of the vertical front and rear plate parts (14a) and the front and rear plate parts (14a). It consists of a vertical plate-like connecting part (14b) that connects the ends together, and is brazed to the outer surface of the flat wall (13a) of the flat hollow body (13) using the brazing material layer of the flat plate (21) ing. And the inside of two adjacent flat hollow bodies (13) is connected via the flat space (21), ie, the notch (23) of the flat wall (13a) and the internal space of the communicating member (14). .
閉鎖部材(15)は、互いに間隔をおいて形成された上下１対の水平板状部(15a)、左右方向に間隔をおいて両板状部(15a)と一体に形成されるとともに両板状部(15a)を連結する垂直板状の複数の連結部(15b)、および左右方向内端の連結部(15b)に左右方向内方に突出するように一体に形成された水平状のフィン押さえ部(15c)とよりなる。上端の閉鎖部材(15)は、下側板状部(15a)が上端の扁平中空体(13)の平坦壁(13a)外面に、平板(21)のろう材層を利用してろう付されている。下端の閉鎖部材(15)は、上側板状部(15a)が下端の扁平中空体(13)の平坦壁(13a)外面に、平板(21)のろう材層を利用してろう付されている。上下方向の中間部に配置された隣り合う２つの扁平中空体(13)の右端部間に配置された閉鎖部材(15)は、上下両板状部(15a)が上下両扁平中空体(13)の平坦壁(13a)外面に、それぞれ平板(21)のろう材層を利用してろう付されている。そして、入口ヘッダ部(7)の上下両端に位置する扁平中空体(13)における上下方向外側の平坦壁(13a)の切り欠き(23)は、上端および上下方向の中間部の閉鎖部材(15)の板状部(15a)により塞がれ、出口ヘッダ部(8)の上下両端に位置する扁平中空体(13)における上下方向外側の平坦壁(13a)の切り欠き(23)は、上下方向の中間部および下端の閉鎖部材(15)の板状部(15a)により塞がれ、中間ヘッダ部(9)の上下両端に位置する扁平中空体(13)における上下方向外側の平坦壁(13a)の切り欠き(23)は、上下両端の閉鎖部材(15)の板状部(15a)により塞がれている。 The closing member (15) is integrally formed with a pair of upper and lower horizontal plate portions (15a) formed at an interval from each other and both plate portions (15a) at an interval in the left-right direction. Horizontal fins integrally formed so as to protrude inward in the left-right direction to a plurality of vertical plate-like connecting parts (15b) for connecting the shaped parts (15a) and the connecting part (15b) at the inner end in the left-right direction It consists of a holding part (15c). The closing member (15) at the upper end is brazed to the outer surface of the flat wall (13a) of the flat hollow body (13) at the upper end using the brazing material layer of the flat plate (21). Yes. The closing member (15) at the lower end is brazed to the outer surface of the flat wall (13a) of the flat hollow body (13) at the lower end using the brazing material layer of the flat plate (21). Yes. The closing member (15) disposed between the right end portions of two adjacent flat hollow bodies (13) disposed in the middle portion in the vertical direction has both upper and lower plate-shaped portions (15a) formed of both upper and lower flat hollow bodies (13 ) Are brazed to the outer surface of the flat wall (13a) using the brazing material layer of the flat plate (21). The notches (23) of the flat wall (13a) on the upper and lower sides of the flat hollow body (13) located at the upper and lower ends of the inlet header (7) are the upper end and the closing member (15 The notch (23) of the flat wall (13a) on the outer side in the vertical direction in the flat hollow body (13) located at the upper and lower ends of the outlet header (8) A flat wall on the outer side in the vertical direction in the flat hollow body (13) which is closed by the plate-like portion (15a) of the closing member (15) at the middle portion and the lower end of the direction and located at the upper and lower ends of the intermediate header portion (9) ( The notch (23) of 13a) is closed by the plate-like portion (15a) of the closing member (15) at both upper and lower ends.
各閉鎖プレート(16)(17)(18)の肉厚は、それぞれ連通部材(14)の板状部(14a)および閉鎖部材(15)の板状部(15a)の肉厚と同程度となっている。ここで、両者(16)(17)(18)および(14a)(15a)の肉厚が同程度であるということは、両肉厚の差が１ｍｍ以内であることを意味する。各閉鎖プレート(16)(17)(18)は、上下両端部が閉鎖部材(15)の板状部(15a)に、前後両側縁部が扁平中空体(13)における両平板(21)の左右両端の前後両端部、扁平中空体(13)における流路形成部材(24)の前後両側壁(25)の左右両端部および連通部材(14)の前後両板状部(14a)の左右方向外端部に、それぞれアーク溶接法により外側から溶接されている。第１閉鎖プレート(16)に流体入口（図示略）が形成されており、流体入口に流入路(11a)が通じるように入口部材(11)が第１閉鎖プレート(16)に溶接されている。また、第２閉鎖プレート(17)に流体出口（図示略）が形成されており、流体出口に流出路(12a)が通じるように出口部材(12)が第２閉鎖プレート(17)に溶接されている。 The thickness of each closing plate (16) (17) (18) is approximately the same as the thickness of the plate-like portion (14a) of the communication member (14) and the plate-like portion (15a) of the closing member (15). It has become. Here, the fact that the thicknesses of both (16), (17), (18), and (14a), (15a) are about the same means that the difference between the thicknesses is within 1 mm. Each closing plate (16), (17), (18) has both upper and lower ends on the plate-like portion (15a) of the closing member (15), and both front and rear edges are on the flat plates (21) in the flat hollow body (13). Left and right ends of the left and right ends, left and right ends of the front and rear side walls (25) of the flow path forming member (24) in the flat hollow body (13), and left and right direction of the front and rear plate portions (14a) of the communication member (14) The outer end is welded from the outside by an arc welding method. A fluid inlet (not shown) is formed in the first closing plate (16), and the inlet member (11) is welded to the first closing plate (16) so that the inflow passage (11a) communicates with the fluid inlet. . Further, a fluid outlet (not shown) is formed in the second closing plate (17), and the outlet member (12) is welded to the second closing plate (17) so that the outflow passage (12a) communicates with the fluid outlet. ing.
上述した熱交換器(1)は次のようにして製造される。まず、閉鎖プレート(16)(17)(18)を除いた全部品、すなわち平板(21)、流路形成体(22)、連通部材(14)、閉鎖部材(15)、コルゲートフィン(5)、サイドプレート(6)を所定の位置に配置して一括してろう付する。 The heat exchanger (1) described above is manufactured as follows. First, all components except the closing plates (16), (17), (18), that is, the flat plate (21), the flow path forming body (22), the communication member (14), the closing member (15), the corrugated fin (5) Then, the side plate (6) is placed at a predetermined position and brazed together.
ついで、図６〜図８に示すように、各閉鎖プレート(16)(17)(18)を所定の箇所に配置する。各閉鎖プレート(16)(17)(18)は押出方向が長さ方向を向いたものであり、溶接前の状態にあっては、その外面の前後両側縁部に、前後方向外方に向かって左右方向内方（扁平中空体(13)および連通部材(14)側）に傾斜した傾斜面(16a)(17a)(18a)が形成され、これにより幅方向外方に向かって漸次薄肉となった薄肉部(16b)(17b)(18b)が形成されている。また、溶接前の状態にあっては、各閉鎖プレート(16)(17)(18)の外面の上下両端部に、上下方向外方に向かって左右方向内方に傾斜した傾斜面(16c)(17c)が形成され、これにより長さ方向外方に向かって漸次薄肉となった薄肉部(16d)(17d)が形成されている。なお、長さ方向両端の傾斜面(16c)(17c)は押出成形後にプレス等により形成される。 Next, as shown in FIGS. 6 to 8, the respective closing plates (16), (17) and (18) are arranged at predetermined positions. Each closing plate (16), (17), (18) has a direction of extrusion facing the length direction, and in the state before welding, the front and rear side edges of the outer surface are directed outward in the front-rear direction. Inclined surfaces (16a), (17a), and (18a) are formed on the inner side in the left-right direction (on the flat hollow body (13) and the communicating member (14) side). The thin portions (16b), (17b) and (18b) thus formed are formed. Further, in the state before welding, the inclined surfaces (16c) inclined inward in the left-right direction toward the upper and lower ends at the upper and lower ends of the outer surface of each closing plate (16) (17) (18) (17c) is formed, whereby thin portions (16d) and (17d) that are gradually thinned outward in the length direction are formed. The inclined surfaces (16c) and (17c) at both ends in the length direction are formed by a press or the like after extrusion.
その後、各閉鎖プレート(16)(17)(18)を、閉鎖部材(15)の板状部(15a)、扁平中空体(13)における両平板(21)の左右両端の前後両端部、扁平中空体(13)における流路形成部材(24)の前後両側壁(25)の左右両端部および連通部材(14)の前後両板状部(14a)の左右方向外端部に、それぞれアーク溶接法により外側から溶接する。こうして、熱交換器(1)が製造される。 Thereafter, each closing plate (16), (17), (18) is connected to the plate-like portion (15a) of the closing member (15), both the front and rear ends of the left and right ends of both flat plates (21) in the flat hollow body (13), Arc welding is performed on the left and right ends of the front and rear side walls (25) of the flow path forming member (24) and the outer ends of the front and rear plates (14a) of the communication member (14) in the hollow body (13), respectively. Weld from outside by the method. Thus, the heat exchanger (1) is manufactured.
(1)：熱交換器
(2)(3)：タンク部
(4)：流体流通部
(7)：入口ヘッダ部
(8)：出口ヘッダ部
(9)：中間ヘッダ部
(13)：扁平中空体
(13a)：平坦壁
(13b)：前後両側壁
(14)：連通部材
(14a)：板状部
(15)：閉鎖部材
(15a)：板状部
(16)(17)(18)：閉鎖プレート
(16b)(17b)(18b)：薄肉部
(16d)(17d)：薄肉部
(21)：平板
(22)：流路形成体
(23)：切り欠き
(24)：前後両側壁
(25)：伝熱面積拡大部
(1): Heat exchanger
(2) (3): Tank part
(4): Fluid distribution section
(7): Entrance header
(8): Exit header
(9): Intermediate header
(13): Flat hollow body
(13a): Flat wall
(13b): Front and rear side walls
(14): Communication member
(14a): Plate-shaped part
(15): Closing member
(15a): Plate-shaped part
(16) (17) (18): Closure plate
(16b) (17b) (18b): Thin part
(16d) (17d): Thin part
(21): Flat plate
(22): Channel formation body
(23): Notch
(24): Front and rear side walls
(25): Heat transfer area expansion section
Claims (11)
相互に間隔をおいて並列状に配置されかつ両端が開口した扁平中空体と、扁平中空体の長さ方向外方に開口した略Ｕ字状であり、かつ隣り合う扁平中空体の両端部間に配置されて両扁平中空体にろう付されるとともに、隣り合う扁平中空体の内部どうしを通じさせる連通部材と、扁平中空体および連通部材に溶接され、かつ扁平中空体の両端開口および連通部材における扁平中空体の長さ方向外方への開口を閉鎖する閉鎖プレートとを備えており、連通部材、扁平中空体の両端部における連通部材にろう付された部分および閉鎖プレートによってヘッダ部が形成され、扁平中空体における連通部材へのろう付部を除いた部分によって流体流通部が形成されている熱交換器。 A pair of tank parts arranged at intervals from each other and a plurality of flat fluid circulation parts provided in parallel at intervals between the two tank parts, each tank part having at least one A heat exchanger in which a header part is provided and a fluid circulation part is communicated with the header part,
Flat hollow bodies that are arranged in parallel and spaced apart from each other and open at both ends, and substantially U-shaped that open outward in the longitudinal direction of the flat hollow bodies, and between both ends of adjacent flat hollow bodies Are connected to both flat hollow bodies and connected to each other through the insides of the adjacent flat hollow bodies, welded to the flat hollow bodies and the communication members, and both ends of the flat hollow bodies and the communication members And a closing plate that closes the opening of the flat hollow body outward in the longitudinal direction, and a header portion is formed by the communication member, portions brazed to the communication member at both ends of the flat hollow body, and the closing plate. A heat exchanger in which a fluid circulation portion is formed by a portion of the flat hollow body excluding the brazing portion to the communication member.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006215258A JP4898341B2 (en) | 2006-08-08 | 2006-08-08 | Heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006215258A JP4898341B2 (en) | 2006-08-08 | 2006-08-08 | Heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| JP2008039309A true JP2008039309A (en) | 2008-02-21 |
| JP4898341B2 JP4898341B2 (en) | 2012-03-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015137803A (en) * | 2014-01-22 | 2015-07-30 | 株式会社ティラド | Highly pressure-resistant oil cooler for construction machinery |
| KR101586589B1 (en) * | 2014-11-14 | 2016-01-18 | (주)해송엔지니어링 | Heat exchanger |
| KR101625302B1 (en) | 2014-11-14 | 2016-05-27 | (주)해송엔지니어링 | Heat exchanger |
| KR101783795B1 (en) * | 2016-01-07 | 2017-10-12 | 삼성공조 주식회사 | Heat exchanger of bar plate type |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101449099B1 (en) * | 2012-04-17 | 2014-10-13 | (주)해송엔지니어링 | Integrated heat exchanger and manufacturing method thereof |
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|---|---|---|---|---|
| JPS6033497A (en) * | 1983-08-02 | 1985-02-20 | Babcock Hitachi Kk | Panel with header |
| JPH0417285A (en) * | 1990-05-09 | 1992-01-22 | Ngk Spark Plug Co Ltd | Spark plug for internal combustion engine |
| JPH0473789A (en) * | 1990-07-16 | 1992-03-09 | Mikio Minamimoto | Language learning device |
| JPH08233476A (en) * | 1995-02-27 | 1996-09-13 | Showa Alum Corp | Heat exchanger |
| JPH10213382A (en) * | 1997-01-30 | 1998-08-11 | Showa Alum Corp | Composite heat exchanger |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6033497A (en) * | 1983-08-02 | 1985-02-20 | Babcock Hitachi Kk | Panel with header |
| JPH0417285A (en) * | 1990-05-09 | 1992-01-22 | Ngk Spark Plug Co Ltd | Spark plug for internal combustion engine |
| JPH0473789A (en) * | 1990-07-16 | 1992-03-09 | Mikio Minamimoto | Language learning device |
| JPH08233476A (en) * | 1995-02-27 | 1996-09-13 | Showa Alum Corp | Heat exchanger |
| JPH10213382A (en) * | 1997-01-30 | 1998-08-11 | Showa Alum Corp | Composite heat exchanger |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015137803A (en) * | 2014-01-22 | 2015-07-30 | 株式会社ティラド | Highly pressure-resistant oil cooler for construction machinery |
| KR101586589B1 (en) * | 2014-11-14 | 2016-01-18 | (주)해송엔지니어링 | Heat exchanger |
| KR101625302B1 (en) | 2014-11-14 | 2016-05-27 | (주)해송엔지니어링 | Heat exchanger |
| KR101783795B1 (en) * | 2016-01-07 | 2017-10-12 | 삼성공조 주식회사 | Heat exchanger of bar plate type |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4898341B2 (en) | 2012-03-14 |
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