JP2013130300A - Stacked heat exchanger - Google Patents

Stacked heat exchanger Download PDF

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JP2013130300A
JP2013130300A JP2011277821A JP2011277821A JP2013130300A JP 2013130300 A JP2013130300 A JP 2013130300A JP 2011277821 A JP2011277821 A JP 2011277821A JP 2011277821 A JP2011277821 A JP 2011277821A JP 2013130300 A JP2013130300 A JP 2013130300A
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plate
fluid
communication hole
heat exchanger
protrusions
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Kensuke Shiozawa
憲介 塩沢
Tsutomu Wada
努 和田
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T Rad Co Ltd
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T Rad Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To elongate the flow passage of each fluid as far as possible and to promote heat exchange in a stacked heat exchanger in which a first fluid and a second fluid alternately circulate by each plate and no inner fin is present between the plates.SOLUTION: First projections 11 and second projections 12 are arranged in a staggered pattern on a first plate 1 and a second plate 2, respectively. The layout positions of the projections on the plates are shifted to each other, the first fluid 3 circulates in a first flow passage 9 while meandering in an M-shaped pattern on a plane, and the second fluid 4 circulates in a second flow passage 10 while meandering in an M-shaped pattern on a plane.

Description

本発明は、水冷オイルクーラ等に使用され、皿状プレートを積層し、各プレートの１枚おきに冷却水と被冷却媒体とを流通させるものに関する。   The present invention is used for a water-cooled oil cooler or the like, and relates to a structure in which a plate-like plate is stacked and cooling water and a medium to be cooled are distributed every other plate.

多板型オイルクーラは、外周が方形又は円形の皿状に形成された第１プレートと第２プレートとを積層し、その１枚おきにオイル流路と冷却水流路とを形成したものである。熱交換性能を向上させるため、各プレート間にはインナーフィンを介装したものがある。また、インナーフィンを省略してその代わりに、多数のディンプルを各プレートに形成したもの、或いは、多数のビードを並列したものが知られている。   The multi-plate type oil cooler is formed by laminating a first plate and a second plate whose outer periphery is formed in a square or circular dish shape, and forming an oil flow path and a cooling water flow path for every other plate. . In order to improve heat exchange performance, some plates have inner fins interposed between them. Further, there are known ones in which the inner fins are omitted and a large number of dimples are formed on each plate instead, or a large number of beads are arranged in parallel.

また、下記特許文献１に記載のオイルクーラは、オイル流路を蛇行状に形成する提案がされている。また、特許文献２では各プレートの中心線上にそれぞれビードを突設し、オイルおよび冷却水をＵターンさせる提案がなされている。   Moreover, the oil cooler described in the following Patent Document 1 has been proposed to form an oil flow path in a meandering manner. Further, Patent Document 2 proposes that a bead is provided on the center line of each plate to make oil and cooling water U-turn.

実公平５−３１４２６号公報Japanese Utility Model Publication No. 5-31426 特開２００６−１８３９６９号公報JP 2006-183969 A 特表２００９−５３０５８２号公報Special table 2009-530582

各プレート内にインナーフィンを介装した熱交換器は、部品点数が多く組立てが面倒で、コスト高の製品になる欠点がある。
各プレートに多数のディンプルを形成したものにおいては、熱交換を促進させるため、プレート長さを長くせざるをえない欠点がある。それを防止するため、特許文献１のように、オイル流路を蛇行状に流通させたものにおいては、オイル側の流路は長くなるものの、冷却水側流路は平面的となり、両流体間の熱交換が不十分となる欠点がある。
そこで、本発明は上記欠点を解決することを課題とする。 A heat exchanger having an inner fin in each plate has a disadvantage that it has a large number of parts and is difficult to assemble, resulting in a costly product.
In the case where a large number of dimples are formed on each plate, there is a drawback that the plate length must be increased in order to promote heat exchange. In order to prevent this, as in Patent Document 1, in the case where the oil flow path is circulated in a meandering manner, the flow path on the oil side becomes long, but the flow path on the cooling water side becomes flat, and the gap between both fluids There is a drawback that the heat exchange of is insufficient.
Accordingly, an object of the present invention is to solve the above-described drawbacks.

請求項１に記載の本発明は、外周が略方形で互いに整合する皿状の第１プレート(1)と第２プレート(2)とが交互に積層されて、その一枚おきに第１流体(3)の第１流路(9)と第２流体(4)の第２流路(10)とが形成され、
第１プレート(1)には、一対づつの第１流体(3)の第１連通孔(5)と第２流体(4)の第１バイパス孔(6)をそのプレートの隅部に有し、
第２プレート(2)には、前記第１バイパス孔(6)に整合する一対づつの第２流体(4)の第２連通孔(7)と、前記第１連通孔(5)に整合する第１流体(3)の第２バイパス孔(8)とをその隅部に有する積層型熱交換器において、
第１プレート(1)に、一方の第１連通孔(5)と他方の第１連通孔(5)との間で、３以上の第１突条(11)が第１流路(9)側に突出してプレス成形により平面千鳥に配置され、
第２プレート(2)に、一方の第２連通孔(7)と他方の第２連通孔(7)との間で、３以上の第２突条(12)が第２流路(10)側に突出してプレス成形により平面千鳥にかつ、その第２突条(12)と第１突条(11)とは厚み方向に投影したとき、互いにずれた位置に配置され、
第１流路(9)を第１流体(3)が、少なくとも３つの前記第１突条(11)をその一方の第１連通孔(5)から他方の第１連通孔(5)へ平面Ｍ字状に蛇行して流通し、
第２流路(10)を第２流体(4)が、少なくとも３つの前記第２突条(12)をその一方の第２連通孔(7)から他方の第２連通孔(7)へ平面Ｍ字状に蛇行して流通することを特徴とする積層型熱交換器である。 In the first aspect of the present invention, the plate-like first plate (1) and the second plate (2), which are substantially square in outer periphery and aligned with each other, are alternately stacked, and the first fluid is alternately stacked. The first flow path (9) of (3) and the second flow path (10) of the second fluid (4) are formed,
The first plate (1) has a pair of first communication holes (5) for the first fluid (3) and a first bypass hole (6) for the second fluid (4) at the corner of the plate. ,
The second plate (2) is aligned with the second communication hole (7) of the pair of second fluids (4) aligned with the first bypass hole (6) and the first communication hole (5). In the laminated heat exchanger having the second bypass hole (8) of the first fluid (3) at its corner,
The first plate (1) has three or more first protrusions (11) between the first communication hole (5) and the other first communication hole (5). Protruding to the side and arranged in a zigzag plane by press molding,
The second plate (2) has three or more second protrusions (12) between the second communication hole (7) and the other second communication hole (7). Projecting sideways into a flat zigzag by press molding, and the second ridge (12) and the first ridge (11) are arranged at positions shifted from each other when projected in the thickness direction,
The first fluid (3) passes through the first flow path (9), and at least three of the first protrusions (11) extend from one first communication hole (5) to the other first communication hole (5). It circulates in a meandering M-shape,
The second fluid (4) passes through the second flow path (10), and at least three of the second protrusions (12) pass from one second communication hole (7) to the other second communication hole (7). It is a laminated heat exchanger characterized in that it circulates in an M shape.

請求項２に記載の本発明は、請求項１に記載の積層型熱交換器において、
前記各第１突条(11)と第２突条(12)とは、厚み方向に投影したとき、一直線上に配置されかつ、夫々の一端部が互いに重なる重なり部(18)を有し、各流路の各突条(11)(12)間で両流体(3)(4)が対向流となるように流通する積層型熱交換器である。
請求項３に記載の本発明は、第１プレート(1)および第２プレート(2)には、その各突条(11)(12)を避けた平面位置に多数のディンプル(13)が夫々の突条側に、同一高さ突出した積層型熱交換器である。
請求項４に記載の本発明は、第１プレート(1)および第２プレート(2)が平面長方形に形成され、その各突条(11)(12)がその短辺に平行に且つ、互いに長辺方向に離間して配置された積層型熱交換器である。 According to a second aspect of the present invention, in the stacked heat exchanger according to the first aspect,
Each of the first ridges (11) and the second ridges (12) has an overlapping portion (18) that is arranged in a straight line when projected in the thickness direction and whose one ends overlap each other, This is a stacked heat exchanger in which both fluids (3) and (4) circulate between the protrusions (11) and (12) of each flow path so as to face each other.
According to the third aspect of the present invention, the first plate (1) and the second plate (2) are provided with a large number of dimples (13) in a planar position avoiding the protrusions (11) and (12). This is a stacked heat exchanger that protrudes at the same height on the ridge side.
According to the present invention as defined in claim 4, the first plate (1) and the second plate (2) are formed in a plane rectangle, and each of the protrusions (11), (12) is parallel to the short side thereof and It is a laminated heat exchanger which is spaced apart in the long side direction.

本発明は、第１プレート１および第２プレート２のそれぞれに、３以上の突条が平面千鳥にかつ、各プレート１，２の各突条が互いにずれた位置に配置され、第１流体３および第２流体４がそれぞれ平面Ｍ字状に蛇行して流通するから、各流体の流路長が長く、両流体間の熱交換が促進される。即ち、第１流体３の第１流路９および第２流体４の第２流路10に、それぞれ平面Ｍ字状の蛇行流路が形成されるため、両流体の熱交換を良好に行い得る。   In the present invention, each of the first plate 1 and the second plate 2 has three or more protrusions arranged in a staggered plane, and the protrusions of the plates 1 and 2 are arranged at positions shifted from each other. Since the second fluid 4 snakes and circulates in a planar M shape, the flow path length of each fluid is long, and heat exchange between the two fluids is promoted. That is, since the planar M-shaped meandering channel is formed in each of the first channel 9 of the first fluid 3 and the second channel 10 of the second fluid 4, heat exchange between both fluids can be performed satisfactorily. .

上記構成において、請求項２に記載のように、各プレート１，２の第１突条11と第２突条12とは、厚み方向に投影したとき、一直線上に配置されかつ、夫々の一端部が互いに重なる重なり部18を有し、各流路の各突条11，12間で両流体3，4が対向流となるように流通するようにした場合には、Ｍ字状の各蛇行流路が上下に一致しかつ、各突条間の全てで対向流となり、熱交換を最大限に促進できる。   In the above configuration, as described in claim 2, the first protrusions 11 and the second protrusions 12 of each of the plates 1 and 2 are arranged in a straight line when projected in the thickness direction, and one end of each of them. When the two fluids 3 and 4 circulate between the protrusions 11 and 12 of each flow path so as to face each other, the M-shaped meanders The flow paths coincide with each other in the vertical direction, and the opposite flow occurs between all the protrusions, so that heat exchange can be promoted to the maximum.

上記構成において、請求項３に記載のように、第１プレート１および第２プレート２には、その各突条11，12を避けた平面位置に多数のディンプル13が夫々の突条側に、同一高さ突出した場合には、さらに、効率よく熱交換を促進できる。
上記構成において、請求項４に記載のように、第１プレート１および第２プレート２が平面長方形に形成され、その各突条11，12がその短辺に平行に且つ、互いに長辺方向に離間して配置された場合には、各流路の流路長をより長くして熱交換を促進できる。 In the above configuration, as described in claim 3, the first plate 1 and the second plate 2 have a large number of dimples 13 on the side of the ridges in a plane position avoiding the ridges 11 and 12. When protruding at the same height, heat exchange can be promoted more efficiently.
In the above configuration, as described in claim 4, the first plate 1 and the second plate 2 are formed in a plane rectangle, and the ridges 11 and 12 thereof are parallel to the short side and in the long side direction. When arranged apart from each other, heat exchange can be promoted by increasing the length of each flow path.

本発明の積層型熱交換器の分解斜視図。The exploded perspective view of the lamination type heat exchanger of the present invention. 同熱交換器の第１プレート１の平面図。The top view of the 1st plate 1 of the same heat exchanger. 同熱交換器の第２プレート２の平面図。The top view of the 2nd plate 2 of the same heat exchanger. 同熱交換器における第１流体３と第２流体４の各流通状態を示す説明図。Explanatory drawing which shows each distribution | circulation state of the 1st fluid 3 and the 2nd fluid 4 in the same heat exchanger. 図１における、Ｖ−Ｖ矢視断面図。VV arrow sectional drawing in FIG. 図１における、ＶＩ−ＶＩ矢視断面図。The VI-VI arrow directional cross-sectional view in FIG. 図１における、ＶＩＩ−ＶＩＩ矢視断面図。VII-VII arrow sectional drawing in FIG. 本発明の第２実施例の説明図。Explanatory drawing of 2nd Example of this invention. 本発明の第３実施例の説明図。Explanatory drawing of 3rd Example of this invention. 本発明の第４実施例の説明図。Explanatory drawing of 4th Example of this invention.

次に図面に基づいて本発明の実施の形態につき、説明する。
（第１実施例）
図１〜図７は本発明の第１実施例を示し、この積層型熱交換器は、それぞれ外周が整合する皿状の第１プレート１と第２プレート２とを交互に積層したものである。 Next, embodiments of the present invention will be described with reference to the drawings.
(First embodiment)
1 to 7 show a first embodiment of the present invention, and this laminated heat exchanger is formed by alternately laminating a plate-like first plate 1 and a second plate 2 whose outer peripheries are aligned. .

図２に示すごとく、第１プレート１には、一対づつの第１流体３の第１連通孔５と、第２流体４の第１バイパス孔６とがプレートの各隅部に形成されている。この例では第１プレート１および第２プレート２は、平面長方形からなり、一対の第１バイパス孔６が一方の長辺側に配置され、一対の第１連通孔５が他方の長辺側に配置されている。そして、第１プレート１には一方の第１連通孔５と他方の第１連通孔５との間で、３本の第１突条11がそれぞれ短辺に平行に且つ、互いに長辺方向に離間して千鳥に配置されている。この第１突条11は、プレス成形により押出され、その高さは第１バイパス孔６の孔縁部の突出高さと同一である。   As shown in FIG. 2, the first plate 1 has a pair of first communication holes 5 for the first fluid 3 and a first bypass hole 6 for the second fluid 4 formed at each corner of the plate. . In this example, the 1st plate 1 and the 2nd plate 2 consist of a plane rectangle, a pair of 1st bypass holes 6 are arranged on one long side, and a pair of 1st communicating holes 5 are on the other long side. Has been placed. And between the 1st communicating hole 5 and the other 1st communicating hole 5 in the 1st plate 1, three 1st protrusions 11 are respectively parallel to a short side, and are mutually in the long side direction. They are arranged in a staggered manner. The first protrusion 11 is extruded by press molding, and the height thereof is the same as the protruding height of the hole edge of the first bypass hole 6.

次に、第２プレート２は、図３に示すごとく、第１プレート１の第１バイパス孔６に整合する第２流体４の一対の第２連通孔７と、第１連通孔５に整合する第１流体３の一対の第２バイパス孔８とがそれぞれ隅部に配置されている。その第２プレート２には、一方の第２連通孔７と、他方の第２連通孔７との間で３本の第２突条12が第２流路10側に突出してプレスにより平面千鳥に形成されている。その第２突条12の高さは第２バイパス孔８の孔縁部の突出高さと同一高さである。
両プレート１，２の第２突条12と、第１突条11とは厚み方向に投影したとき、図４に示すごとく、両者は一直線状に且つ、互いにその一直線状の一方側と他方側とに位置ずれして配置されている。 Next, as shown in FIG. 3, the second plate 2 aligns with the pair of second communication holes 7 of the second fluid 4 that align with the first bypass holes 6 of the first plate 1 and the first communication holes 5. A pair of second bypass holes 8 of the first fluid 3 are respectively arranged at the corners. In the second plate 2, three second protrusions 12 protrude toward the second flow path 10 between one second communication hole 7 and the other second communication hole 7, and are flatly staggered by pressing. Is formed. The height of the second protrusion 12 is the same height as the protrusion height of the hole edge of the second bypass hole 8.
When the second ridge 12 and the first ridge 11 of both plates 1 and 2 are projected in the thickness direction, as shown in FIG. 4, both are in a straight line and one straight side and the other side of the straight line. And are displaced from each other.

そして、第１プレート１と第２プレート２とが交互に配置され、その最上端に上端板14が位置し、最下段端に下端板15が配置されている。上端板14の外周は、第１プレート１に整合し、その４隅部に第１バイパス孔６および第１連通孔５に整合してパイプ挿通孔が穿設されている。そして、一対の第２パイプ17の下端部が一方の長辺側のパイプ挿通孔に接続され、一対の第１パイプ16が他方の長辺側のパイプ挿通孔に接続される。そして、各プレート間および、それらと上端板14および下端板15、並びに第１パイプ16、第２パイプ17の各接触部間が一体にろう付け固定される。   The first plate 1 and the second plate 2 are alternately arranged, the upper end plate 14 is located at the uppermost end, and the lower end plate 15 is arranged at the lowermost end. The outer periphery of the upper end plate 14 is aligned with the first plate 1, and pipe insertion holes are formed in the four corners so as to align with the first bypass hole 6 and the first communication hole 5. And the lower end part of a pair of 2nd pipe 17 is connected to the pipe insertion hole of one long side, and a pair of 1st pipe 16 is connected to the pipe insertion hole of the other long side. Then, the plates, the upper plate 14 and the lower plate 15, and the contact portions of the first pipe 16 and the second pipe 17 are integrally brazed and fixed.

最上端の第１プレート１の上面側と上端板14との間、および中間の第１プレート１の上面側と第２プレート２の下面との間に第１流路９が形成され、第１プレート１の下面側と第２プレート２の上面との間に第２流路10が形成される。そして、図５〜図７のごとく、第１流路９に第１流体３が、第２流路10に第２流体４が流通する。   A first flow path 9 is formed between the upper surface side of the uppermost first plate 1 and the upper end plate 14, and between the upper surface side of the intermediate first plate 1 and the lower surface of the second plate 2. A second flow path 10 is formed between the lower surface side of the plate 1 and the upper surface of the second plate 2. As shown in FIGS. 5 to 7, the first fluid 3 flows through the first flow path 9 and the second fluid 4 flows through the second flow path 10.

即ち、最上端の第１プレート１の上面側では図２に示すごとく、一方の第１連通孔５から第１流体３が千鳥状に配置された各第１突条11を平面Ｍ字状に流通して、他方の第１連通孔５に流出する。また、第２プレート２の上面側では図３に示すごとく、第２流体４が一方の第２連通孔７から、千鳥状の各第２突条12を迂回して平面Ｍ字状に蛇行し、他方の第２連通孔７に流出する。そして、その第１流体３と第２流体４とは、各プレート１，２の一枚おきに、図４に示すごとく、各第１突条11間および第２突条12間で互いに逆向きの対抗流として流通する。なお、図４に示すごとく、第１突条11と第２突条12は、厚み方向の投影が一直線状で、それぞれの一端が一方の長辺側と他方の長辺側とに近接し、その先端は互いに重なるように延在し、そこに重なり部18を形成する。   That is, on the upper surface side of the uppermost first plate 1, as shown in FIG. 2, the first protrusions 11 in which the first fluid 3 is arranged in a staggered manner from one first communication hole 5 are formed in a planar M shape. It circulates and flows out into the other first communication hole 5. On the upper surface side of the second plate 2, as shown in FIG. 3, the second fluid 4 meanders in a planar M-shape from one second communication hole 7, bypassing each staggered second protrusion 12. , Flows out into the other second communication hole 7. The first fluid 3 and the second fluid 4 are opposite to each other between the first ridges 11 and the second ridges 12, as shown in FIG. It circulates as a counter current. As shown in FIG. 4, the first protrusion 11 and the second protrusion 12 are projected in a straight line in the thickness direction, and one end of each of them is close to one long side and the other long side, The tips extend so as to overlap each other, and an overlapping portion 18 is formed there.

その重なり部18においては、図７に示すごとく、第１突条11と第２突条12が厚み方向に同期する。そして、その重なり部18部分では、図３に示すごとく、第１流体３、第２流体４は第１突条11、第２突条12の先端部分をバイパスする。これは、重なり部18の位置においては、第２突条12と第１プレート１の平面とが接触せず、隙間が生じて、そこにバイパス流が生じるものである。その重なり部18を除くと、図６および図７に示すごとく、第１突条11および第２突条12はそれぞれその上面側のプレートに接触し、第１流体３、第２流体４はそれらを迂回する。   In the overlapping part 18, as shown in FIG. 7, the 1st protrusion 11 and the 2nd protrusion 12 synchronize with the thickness direction. And in the overlapping part 18 part, as shown in FIG. 3, the 1st fluid 3 and the 2nd fluid 4 bypass the front-end | tip part of the 1st protrusion 11 and the 2nd protrusion 12. As shown in FIG. This is because the second protrusion 12 and the plane of the first plate 1 are not in contact with each other at the position of the overlapping portion 18 so that a gap is formed, and a bypass flow is generated there. When the overlapping portion 18 is removed, as shown in FIGS. 6 and 7, the first protrusion 11 and the second protrusion 12 are in contact with the plate on the upper surface side, and the first fluid 3 and the second fluid 4 are in contact with them. To detour.

（第２実施例）
次に、図８は本発明の第２実施例の説明図であり、これが前記第１実施例と異なる点は各プレートの第１突条11および第２突条12の数が多い点である。そして、他は同一である。そのため、第１流体３、第２流体４の各流路がより長くなる。この例においても、第１流体３および第２流体４はそれぞれ平面Ｍ字状に流通する。 (Second embodiment)
Next, FIG. 8 is an explanatory view of the second embodiment of the present invention, which is different from the first embodiment in that the number of the first protrusions 11 and the second protrusions 12 on each plate is large. . Others are the same. Therefore, each flow path of the 1st fluid 3 and the 2nd fluid 4 becomes longer. Also in this example, the first fluid 3 and the second fluid 4 each circulate in a planar M shape.

（第３実施例）
次に、図９は本発明の第３実施例であり、この例が前記第２実施例と異なる点は、一対の第１連通孔５、第１バイパス孔６、第２連通孔、第２バイパス孔がそれぞれ対角位置に配置されている点のみである。 (Third embodiment)
Next, FIG. 9 shows a third embodiment of the present invention. This example is different from the second embodiment in that a pair of first communication hole 5, first bypass hole 6, second communication hole, second It is only a point where the bypass holes are arranged at diagonal positions.

（第４実施例）
次に、図10は本発明の第４実施例であり、この例が第１実施例と異なる点は、第１プレート１および第２プレート２にディンプル13が第１突条11および第２突条12側に突出され、その高さは第１突条11および第２突条12と同一である。それらのディンプル13はそれぞれ第１突条11および第２突条12を避けた位置に配置されている。このようなディンプル13の存在により、第１流体３および第２流体４が攪拌され、熱交換が促進される。 (Fourth embodiment)
Next, FIG. 10 shows a fourth embodiment of the present invention. This example is different from the first embodiment in that the dimples 13 are provided on the first plate 11 and the second plate 2 on the first plate 1 and the second plate 2, respectively. The first protrusion 11 and the second protrusion 12 are the same as the first protrusion 11 and the second protrusion 12. These dimples 13 are arranged at positions avoiding the first protrusion 11 and the second protrusion 12, respectively. The presence of such dimples 13 stirs the first fluid 3 and the second fluid 4 and promotes heat exchange.

１ 第１プレート
２ 第２プレート
３ 第１流体
４ 第２流体
５ 第１連通孔
６ 第１バイパス孔
７ 第２連通孔
８ 第２バイパス孔 DESCRIPTION OF SYMBOLS 1 1st plate 2 2nd plate 3 1st fluid 4 2nd fluid 5 1st communicating hole 6 1st bypass hole 7 2nd communicating hole 8 2nd bypass hole

９ 第１流路
10 第２流路
11 第１突条
12 第２突条
13 ディンプル
14 上端板
15 下端板
16 第１パイプ
17 第２パイプ
18 重なり部 9 First channel
10 Second channel
11 First protrusion
12 Second protrusion
13 dimples
14 Top plate
15 Bottom plate
16 First pipe
17 Second pipe
18 Overlap

Claims (4)

外周が略方形で互いに整合する皿状の第１プレート(1)と第２プレート(2)とが交互に積層されて、その一枚おきに第１流体(3)の第１流路(9)と第２流体(4)の第２流路(10)とが形成され、
第１プレート(1)には、一対づつの第１流体(3)の第１連通孔(5)と第２流体(4)の第１バイパス孔(6)をそのプレートの隅部に有し、
第２プレート(2)には、前記第１バイパス孔(6)に整合する一対づつの第２流体(4)の第２連通孔(7)と、前記第１連通孔(5)に整合する第１流体(3)の第２バイパス孔(8)とをその隅部に有する積層型熱交換器において、
第１プレート(1)に、一方の第１連通孔(5)と他方の第１連通孔(5)との間で、３以上の第１突条(11)が第１流路(9)側に突出してプレス成形により平面千鳥に配置され、
第２プレート(2)に、一方の第２連通孔(7)と他方の第２連通孔(7)との間で、３以上の第２突条(12)が第２流路(10)側に突出してプレス成形により平面千鳥にかつ、その第２突条(12)と第１突条(11)とは厚み方向に投影したとき、互いにずれた位置に配置され、
第１流路(9)を第１流体(3)が、少なくとも３つの前記第１突条(11)をその一方の第１連通孔(5)から他方の第１連通孔(5)へ平面Ｍ字状に蛇行して流通し、
第２流路(10)を第２流体(4)が、少なくとも３つの前記第２突条(12)をその一方の第２連通孔(7)から他方の第２連通孔(7)へ平面Ｍ字状に蛇行して流通することを特徴とする積層型熱交換器。 The first plate (1) and the second plate (2) in the shape of a dish whose outer periphery is substantially square and aligned with each other are alternately stacked, and the first flow path (9) of the first fluid (3) is alternated between them. ) And the second flow path (10) of the second fluid (4) are formed,
The first plate (1) has a pair of first communication holes (5) for the first fluid (3) and a first bypass hole (6) for the second fluid (4) at the corner of the plate. ,
The second plate (2) is aligned with the second communication hole (7) of the pair of second fluids (4) aligned with the first bypass hole (6) and the first communication hole (5). In the laminated heat exchanger having the second bypass hole (8) of the first fluid (3) at its corner,
The first plate (1) has three or more first protrusions (11) between the first communication hole (5) and the other first communication hole (5). Protruding to the side and arranged in a zigzag plane by press molding,
The second plate (2) has three or more second protrusions (12) between the second communication hole (7) and the other second communication hole (7). Projecting sideways into a flat zigzag by press molding, and the second ridge (12) and the first ridge (11) are arranged at positions shifted from each other when projected in the thickness direction,
The first fluid (3) passes through the first flow path (9), and at least three of the first protrusions (11) extend from one first communication hole (5) to the other first communication hole (5). It circulates in a meandering M-shape,
The second fluid (4) passes through the second flow path (10), and at least three of the second protrusions (12) pass from one second communication hole (7) to the other second communication hole (7). A laminated heat exchanger that circulates in an M shape. 請求項１に記載の積層型熱交換器において、
前記各第１突条(11)と第２突条(12)とは、厚み方向に投影したとき、一直線上に配置されかつ、夫々の一端部が互いに重なる重なり部(18)を有し、各流路の各突条(11)(12)間で両流体(3)(4)が対向流となるように流通する積層型熱交換器。 The stacked heat exchanger according to claim 1, wherein
Each of the first ridges (11) and the second ridges (12) has an overlapping portion (18) that is arranged in a straight line when projected in the thickness direction and whose one ends overlap each other, A stacked heat exchanger in which both fluids (3) and (4) circulate between the protrusions (11) and (12) of each flow path so as to face each other. 第１プレート(1)および第２プレート(2)には、その各突条(11)(12)を避けた平面位置に多数のディンプル(13)が夫々の突条側に、同一高さ突出した積層型熱交換器。   On the first plate (1) and the second plate (2), a large number of dimples (13) are projected at the same height on the side of each ridge in a plane position avoiding the ridges (11) and (12). Laminated heat exchanger. 第１プレート(1)および第２プレート(2)が平面長方形に形成され、その各突条(11)(12)がその短辺に平行に且つ、互いに長辺方向に離間して配置された積層型熱交換器。   The first plate (1) and the second plate (2) are formed in a plane rectangle, and the protrusions (11) and (12) are arranged parallel to the short side and spaced apart from each other in the long side direction. Laminated heat exchanger.
JP2011277821A 2011-12-20 2011-12-20 Stacked heat exchanger Pending JP2013130300A (en)

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