KR102605805B1 - Laminated type heat exchanger - Google Patents

Abstract

The present invention relates to a stacked heat exchanger formed by stacking and joining a plurality of tubes in which a refrigerant flow path through which a heat exchange medium flows is formed by joining a first plate and a second plate, and a device for reinforcing strength on the outside of the plates. This relates to a stacked heat exchanger that can reduce the number of parts to be assembled and improve assembly by forming a stacked heat exchanger and strengthening its strength by stacking and joining plates by forming the reinforcing material integrally.

Description

Laminated type heat exchanger}

The present invention relates to a stacked heat exchanger, which can reduce the number of parts and improve assembly by integrating a reinforcing material capable of reinforcing rigidity with a plate forming a flow path of a heat exchange medium.

A conventional stacked heat exchanger is formed by stacking and joining a plurality of tubes 20 side by side, which are formed by joining a pair of plates 40 on which a heat exchange medium flow path 46 is formed, as shown in FIG. 1, and the plates 40 are connected to each other. An inlet/outlet tank portion 10 is formed that communicates the plurality of tubes 40 through the formed communication hole 48. An inlet pipe 12 and an outlet pipe 14 are connected to the tank units 10, and a fin 30 is interposed between the tubes 20 to improve heat exchange efficiency. is combined with

However, since such a conventional stacked heat exchanger has weak mechanical strength, it is configured to improve structural rigidity by combining strength reinforcing plates on the upper side where the tank portion 10 is formed and the lower side opposite it to reinforce this. You can.

However, if strength reinforcing plates are separately formed and combined with the stacked heat exchanger to reinforce strength, the number of parts that must be assembled and combined increases, and as a result, assembly and productivity may decrease.

KR 10-2009-0101008 A (2009.09.24)

The present invention was devised to solve the problems described above. The purpose of the present invention is to reduce the number of parts by forming a reinforcing material to reinforce the rigidity of the core portion of a stacked heat exchanger integrally with the plate forming the flow path of the heat exchange medium. The aim is to provide a stacked heat exchanger that can improve assemblyability.

The stacked heat exchanger 1000 of the present invention to achieve the above-mentioned object is formed by joining the first plate 130a and the second plate 130b to form a flow path C through which the heat exchange medium flows. In a stacked heat exchanger formed by stacking and joining a plurality of tubes 130, the first plate 130a and the second plate 130b are connected to the first plate 130a and the second plate 130b to form a heat exchange medium flow path. A first vertical part 132 is formed extending from the outer first horizontal part 131 where the plates 130b are joined together to form the first joint 201, and a second horizontal part 132 is formed from the first vertical part 132. The portion 133 is formed to extend, so that the second horizontal portions 133 of the first plate 130a and the second horizontal portions 133 of the second plate 130b of the neighboring tubes 130 face each other. It is characterized in that it is joined to form a second joint portion 202.

In addition, the second joint 202 is formed on one or both sides of the tubes 130 in the longitudinal direction.

In addition, the second joint 202 is characterized in that it extends from the longitudinal side of the tubes 130 to surround a portion of the width direction of the tubes 130.

In addition, the inlet tank portion 110 and the outlet tank portion 120 formed by joining the cup portions 136 formed on the first plate 130a and the second plate 130b are located on one side or the longitudinal direction of the tubes 130. It is characterized by being formed on both sides.

In addition, the first vertical portion 132 and the second horizontal portion 133 of the first plate 130a and the second plate 130b are formed with the inlet tank portion 110 and the outlet tank portion 120. It is formed to block at least one of the air inlet side and the air outlet side of the core part 100 corresponding to the bypass area (B), and is formed to block only a longitudinal part of the area where the tank parts 110 and 120 are formed. It is characterized by

In addition, the first plate 130a and the second plate 130b have the ends of the first vertical portion 132 and the second horizontal portion 133 on the width direction side of the tubes 130 partially cut and deleted. It is characterized in that an incision (139b) is formed in the shape.

In addition, the first plate 130a and the second plate 130b are characterized in that a second vertical portion 134 extends from the second horizontal portion 133.

The stacked heat exchanger of the present invention has the advantage of reducing the number of parts to be assembled and improving assemblyability because the stacked heat exchanger is formed and its strength is strengthened by joining plates in which reinforcing materials are integrally formed.

Figure 1 is a perspective view showing a conventional stacked heat exchanger.
2 to 5 are an assembled perspective view, an exploded perspective view, and a front cross-sectional view showing a stacked heat exchanger according to an embodiment of the present invention.
Figure 6 is an assembled perspective view including a housing according to the present invention.
Figure 7 is a perspective view showing another embodiment of the second plate constituting the tube according to the present invention.
Figure 8 is a partial front view showing the bypass area and opening portion of the core portion according to the present invention.
Figure 7 is a perspective view showing another embodiment of the second plate constituting the tube according to the present invention.
Figures 10 to 13 are a perspective view and a front view showing the configuration of the core portion laminated by combining strength-reinforced tubes according to the present invention and conventional conventional tubes, excluding fins.

Hereinafter, the stacked heat exchanger of the present invention having the above-described configuration will be described in detail with reference to the attached drawings.

2 to 5 are an assembled perspective view, an exploded perspective view, and a front cross-sectional view showing a stacked heat exchanger according to an embodiment of the present invention.

As shown, in the stacked heat exchanger 1000 according to an embodiment of the present invention, a flow path C through which the heat exchange medium flows is formed inside by joining the first plate 130a and the second plate 130b. In a stacked heat exchanger formed by stacking and joining a plurality of tubes 130, the first plate 130a and the second plate 130b are connected to the first plate 130a and the second plate 130b to form a heat exchange medium flow path. A first vertical part 132 is formed extending from the outer first horizontal part 131 where the plates 130b are joined together to form the first joint 201, and a second horizontal part 132 is formed from the first vertical part 132. The portion 133 is formed to extend, so that the second horizontal portions 133 of the first plate 130a and the second horizontal portions 133 of the second plate 130b of the neighboring tubes 130 face each other. They may be joined to form the second joint 202.

First, in the stacked heat exchanger of the present invention, a plurality of tubes 130 are stacked and arranged in a height direction, fins 140 are interposed between the tubes 130, and the tubes 130 and fins 140 are combined to form a core. Part 100 may be formed. And the tube 130 constituting the core portion 100 may be formed by joining the first plate 130a and the second plate 130b. At this time, the tube 130 has a first horizontal portion 131 formed on the outside of the first plate 130a and the second plate 130b in the horizontal direction, which is the longitudinal and width direction plane, respectively, so that the first plate (130a) The first horizontal portions 131 of the first plate 130a) and the second plate 130b may be stacked so as to contact each other and then joined by brazing or the like to form the first joint portion 201. Therefore, the exterior can be sealed by joining the first plate 130a and the second plate 130b, and a flow path C through which refrigerant or cooling water, which is a heat exchange medium, can flow is provided inside the joined joint 201. can be formed. And the first plate 130a and the second plate 130b may be formed so that the flow control bead 137 and the protruding bead 138 protrude from the surface of the plate 135 toward the side where the flow path C is formed, respectively. , the flow control bead 137 may be formed long in a shape that can partition the flow path (C) to guide the flow of the refrigerant or control the flow direction of the refrigerant, and the protruding bead 138 can increase the heat exchange area with the refrigerant. It can be formed in a cylindrical shape, etc. In addition, the first plate 130a and the second plate 130b have a cup portion 136 protruding from the surface of the plate 135 in a direction toward the neighboring tube 130 in the opposite direction to the beads 137 and 138. The protruding end of the cup portion 136 may be formed with a communication hole penetrating the top and bottom, and a portion of the protruding end of the cup portion 136 is formed horizontally toward the inside, so that the cup portions of the tubes 130 adjacent to each other are formed. (136) can be easily bonded to each other. Accordingly, the spaces formed by the cup portions 136 of the tubes 130 may be connected to form an inlet tank portion 110 and an outlet tank portion 120, respectively. Therefore, as shown as an example, in the case where both the inlet tank part 110 and the outlet tank part 120 are formed on one side in the longitudinal direction, the refrigerant flowing into the inlet tank part 110 through the inlet pipe 111 is respectively After being distributed and introduced into the tube 130, it flows longitudinally along the flow path C on one side of the width direction formed in each tube 130 by the flow control bead 137, then makes a U-turn and flows to the other side of the width direction. It may be configured to flow in the longitudinal direction along the formed flow path C and then gather in the outlet tank unit 120 and be discharged through the outlet pipe 121.

Here, the tube 130 is located outside the first horizontal portion 131 of the first plate 130a and the first horizontal portion 131 of the second plate 130b, where the above-described first joint 201 is formed. The first vertical portions 132 may extend from the ends toward opposite sides facing each other. Additionally, second horizontal portions 133 may be formed to extend outward from the ends of the first vertical portions 132 . That is, the first vertical portion 132 extends upward from the end of the first horizontal portion 131 of the first plate 130a where the first joint 201 is formed, and the end of the first vertical portion 132 A second horizontal portion 133 extends outward from, and a first vertical portion 132 extends downward from the end of the first horizontal portion 131 of the second plate 130b where the first joint portion 201 is formed. is formed to extend, and a second horizontal part 133 may be formed to extend outward from the end of the first vertical part 132. Accordingly, the neighboring tubes 130 are joined to each other, and the second horizontal part 133 of one tube 130 and the second horizontal part 133 of the other tube 130 are joined to each other to form a second horizontal part 133. A junction 202 may be formed.

Accordingly, the second joint 202 is further formed outside the first joint 201, which is the part where the tubes 130 are joined and joined, so that the end of the first vertical portion 132 of one tube 130 and The ends of the first vertical portion 132 of the other tube 130 are all joined by the first joint 201 and the second joint 202, so that the first vertical portion of the tubes 130 in the height direction as a whole is All of the parts 132 may be connected and formed in a combined form. Therefore, the rigidity of the side of the core portion 100 can be increased by the first vertical portions 132, second horizontal portions 133, and second joint portions 202 that serve as reinforcing materials, and the first plate 130a Since a reinforcing material capable of reinforcing the strength is formed integrally with the second plate 130b, the formation of the tube, the formation of the heat exchanger core, and the reinforcement of the strength can be achieved by stacking and joining the plates, thereby improving the strength of the assembled parts. The number can be reduced and assembly efficiency can be improved.

At this time, as shown, the first plate 130a and the second plate 130b are formed in the same shape, so that the first plate 130a is turned over to become the second plate 130b, which is not shown. The first plate 130a and the second plate 130b may be formed in different shapes. In addition, the coolant flowing in from the outside through the inlet pipe 111 can be stored inside the inlet tank 110 of the core part 100, and the coolant flows downward in the height direction along the inside of the inlet tank 110. After passing through the flow path C of the tubes 130, they gather in the outlet tank 120, flow upward in the height direction along the outlet tank 120, and can be discharged to the outside through the outlet pipe 121. . Additionally, fins 140 may be interposed between the tubes 130 to improve heat exchange efficiency. For example, the fins 140 may be formed in a corrugated shape and coupled to the tubes 130 by brazing or the like. Additionally, air may flow through the core portion in the width direction of the core portion 100, and the air may be configured to cool the air by exchanging heat as it passes between the tubes 130.

In addition, a lower reinforcement plate 400 coupled to the lower side in the height direction of the core portion 100; And an upper reinforcement plate 500 coupled to the upper side in the height direction of the core portion 100; It may be further included. That is, as shown, the first plate 130a is disposed on the lower side of the core portion 100 and the lower reinforcement plate 400 is coupled to the lower portion to form a flow path C, and the core portion 100 A second plate 130b is disposed on the upper side of and the upper reinforcement plate 500 is coupled thereto, thereby forming a flow path C. Therefore, the strength of the core portion 100 can be further improved by the lower reinforcing plate 400 and the upper reinforcing plate 500, preventing the core portion from being deformed even when high temperature and high pressure air passes between the tubes. Therefore, the durability of the core part can be improved. In addition, the upper reinforcement plate 500 may be formed to be wider than the upper surface of the core portion 100, and through holes passing through the upper and lower sides are formed around the circumference of the upper reinforcement plate 500, so that air can pass through the housing. After assembling the core portion 100 to be inserted into the interior of 700, the upper reinforcement plate 500 can be coupled to the housing 700 using a fastening means.

In addition, it may further include an inlet pipe 111 connected to the inlet tank 110 of the core part 100 and an outlet pipe 121 connected to the outlet tank 120, and the inlet pipe ( 111) and the outlet pipe 121 may be connected to the holes formed in the upper reinforcing plate 500 and coupled to and fixed to the upper reinforcing plate 500. That is, the inlet pipe 111 may be connected to the inlet tank 110 of the core portion 100, and the outlet pipe 121 may be connected to the outlet tank 120 of the core portion 100. It can be. At this time, the inlet pipe 111 and the outlet pipe 121 may be coupled to penetrate the coupling hole 510 formed through the upper reinforcement plate 500, and the inlet pipe 111 and the outlet pipe 121 may be brazed or It can be coupled to and fixed to the upper reinforcement plate 500 through welding or the like.

Additionally, the second joint 202 may be formed on one or both sides of the tubes 130 in the longitudinal direction.

That is, since the air passes through the core portion 100 in the width direction, the second joint portion 202 is formed on one or both sides of the longitudinal direction of the tubes at a location that does not interfere with the flow of air, so that the length of the core portion 100 The second joint 202 may be formed on one side or both sides. More specifically, a first horizontal portion 131, a first vertical portion 132, and a second horizontal portion are formed on one or both sides of the first plate 130a and the second plate 130b constituting the tubes 130 in the longitudinal direction. The portions 133 may be formed, and the second horizontal portions 133 may be joined to each other to form the second joint portion 202.

Additionally, the second joint 202 may be formed to extend from the longitudinal side of the tubes 130 to surround a portion of the width direction.

That is, a first horizontal portion 131, a first vertical portion 132, and a second horizontal portion ( 133) are formed, respectively, and a first horizontal part 131, a first vertical part 132, and a second horizontal part 133 are formed extending from one or both sides in the longitudinal direction to one or both sides in the width direction, respectively, so that the second horizontal part 133 is formed. The portions 133 may be joined to each other to form the second joint portion 202. Accordingly, the second joint portion 202 is formed on a portion of the width direction side so as to be connected to the longitudinal side of the core portion 100, so that the strength of the core portion can be further improved.

In addition, the inlet tank portion 110 and the outlet tank portion 120 formed by joining the cup portions 136 formed on the first plate 130a and the second plate 130b are located on one side or the longitudinal direction of the tubes 130. Can be formed on both sides.

That is, as shown, the cup portion 136 is formed only on one side of the first plate 130a and the second plate 130b in the longitudinal direction, so that a set of the inlet tank portion 110 and the outlet tank portion 120 are connected to the core portion ( It may be formed on one side in the longitudinal direction of 100, and the cup portion 136 is formed on both sides of the first plate 130a and the second plate 130b in the longitudinal direction to form two sets of inlet tank portion 110 and outlet tank portion ( 120), one set may be formed on one side of the core part in the longitudinal direction, and the other set may be formed on the other longitudinal side of the core part.

Here, the first vertical portion 132 and the second horizontal portion 133 of the first plate 130a and the second plate 130b are formed with the inlet tank portion 110 and the outlet tank portion 120. It is formed to block at least one of the air inlet side and the air outlet side of the core part 100 corresponding to the bypass area B, and is formed to block only a longitudinal part of the area where the tank parts 110 and 120 are formed. You can.

That is, as shown in FIG. 8, air cannot pass through or does not pass through the portion where the inlet tank portion 110 and the outlet tank portion 120 are formed from one longitudinal side of the core portion 100 in the width direction of the core portion 100. Even though it is a bypass area (B), which is a part where heat exchange does not occur smoothly due to the absence of fins 140, the first vertical part 132 and the second horizontal part 133 are connected to the inlet tank part 110 and the outlet tank part ( 120) may be formed to block a portion of the longitudinal direction of the formed bypass area (B). Thus, while reinforcing the strength of the core portion, it does not impede the flow of air, thereby improving heat exchange efficiency and simultaneously reducing the pressure drop of air passing through the core portion. At this time, the first vertical part 132 and the second horizontal part 133, which are formed to block a part of the bypass area B of the core part 100, are located on the air inlet and outlet sides of the core part 100. It can be formed on either or both. At this time, as shown, when looking at the core portion 100 in the width direction from the front, the ends of the first vertical portion 132 and the second horizontal portion 133 formed on the side in the width direction are seen as a second joint portion 202. The first vertical portion 132 is formed to be inclined in a manner that spreads upward and downward toward the center of the core portion in the longitudinal direction, so as to block only a portion of the bypass area B by the opening portion 139a, which is a space between the inclined portions. and a second horizontal portion 133 may be formed. Thus, as shown, the first vertical portion 132 and the second horizontal portion 133 may be formed so that the cup portion 136 forming the tank portions 110 and 120 is partially visible when viewed from the front. And the length of the area blocked by the first vertical part 132 and the second horizontal part 133 is formed to be shorter than the length A1 of the bypass area, so that the first vertical part blocks only part of the bypass area B. (132) and the second horizontal portion 133 may be formed.

In addition, the first plate 130a and the second plate 130b have the ends of the first vertical portion 132 and the second horizontal portion 133 on the width direction side of the tubes 130 partially cut and deleted. A cutout portion 139b may be formed in the form of a cutout portion 139b.

That is, when the second plate 130b is viewed from above, the end portions of the first vertical portion 132 and the second horizontal portion 133 formed on the width direction side are the first horizontal portion 131 formed on the width direction side, and When formed to meet, many curves meet at the meeting point, making design and manufacturing difficult. Therefore, the incision 139b is formed in a form in which this part is deleted as shown in FIG. 9, and the first vertical part 132 and The end of the second horizontal portion 133 can be easily formed in a straight shape.

Additionally, the first plate 130a and the second plate 130b may have a second vertical portion 134 extending from the second horizontal portion 133.

That is, as shown, the second vertical portion 134 extends in the height direction from the outer end of the second horizontal portion 133, thereby further improving the strength of the core portion. At this time, in one tube 130, the second vertical parts 134 may extend from the end of the second horizontal part 133 in a direction facing each other. And, as shown, third horizontal parts extend outward from the ends of the second vertical parts 134 in a horizontal form, and the third horizontal parts are joined to each other to further improve strength.

In addition, as shown in FIGS. 10 to 13, the second horizontal portion 133 is formed and joined to form the second joint 202, so that the strength of the tubes 130 is reinforced and the conventional tubes 130 that do not have strength reinforcement are generally used. The strength of the core can be partially reinforced by stacking the tubes together. At this time, the core can be formed by arranging strength-reinforced tubes on the upper and lower sides and conventional tubes without strength reinforcement in the center, or conversely, conventional tubes without strength reinforcement are placed on the upper and lower sides and strength-reinforced tubes in the center. The core can be formed by arranging reinforced tubes, and the core can be formed in various other forms.

The present invention is not limited to the above-described embodiments, and its scope of application is diverse, and anyone skilled in the art can understand it without departing from the gist of the invention as claimed in the claims. Of course, various modifications are possible.

1000: Stacked heat exchanger
100: core part
110: Inlet tank section 111: Inlet pipe
120: outlet tank 121: outlet pipe
130: tube
130a: first plate 130b: second plate
131: first horizontal part 132: first vertical part
133: second horizontal part 134: second vertical part
135: plate 136: cup portion
137: flow control bead 138: protruding bead
139a: opening 139b: incision
C: Euro 140: Pin
201: first joint 202: second joint
400: Lower reinforcement plate
500: upper reinforcement plate 510: coupling hole
700: Housing
B: Bypass area A1: Length of bypass area

Claims (10)

In a stacked heat exchanger formed by stacking and joining a plurality of tubes 130, where a flow path C through which the heat exchange medium flows is formed by joining the first plate 130a and the second plate 130b,
The first plate 130a and the second plate 130b have a cup portion 136 protruding from the surface of the plate 135 in a direction toward the neighboring tube 130, and the protruding end of the cup portion 136 A communication hole passing through the top and bottom is formed, and the cup portions 136 of the neighboring tubes 130 are joined to each other,
The spaces formed by the cup portions 136 of the tubes 130 are connected to form an inlet tank portion 110 and an outlet tank portion 120, respectively,
The first plate 130a and the second plate 130b are outer surfaces of the first joint 201 where the first plate 130a and the second plate 130b are joined to each other to form a heat exchange medium flow path. A first vertical part 132 is formed extending from the first horizontal part 131 and a second horizontal part 133 is formed extending from the first vertical part 132,
The second horizontal portion 133 of the first plate 130a and the second horizontal portion 133 of the second plate 130b of the neighboring tubes 130 are joined to each other to form a second joint portion 202. A stacked heat exchanger characterized in that it is formed.
According to paragraph 1,
The second joint portion 202 is a stacked heat exchanger, characterized in that formed on one or both sides of the tubes 130 in the longitudinal direction.
According to paragraph 1,
The second joint portion 202 is a stacked heat exchanger, characterized in that it extends from the longitudinal side of the tubes 130 to surround a portion of the widthwise side.
According to paragraph 3,
An inlet tank portion 110 and an outlet tank portion 120 formed by joining the cup portions 136 formed on the first plate 130a and the second plate 130b are disposed on one or both sides of the tubes 130 in the longitudinal direction. A stacked heat exchanger characterized in that it is formed.
According to paragraph 4,
Air flows through the core portion 100 in the width direction of the core portion 100,
The first vertical portion 132 and the second horizontal portion 133 of the first plate 130a and the second plate 130b are,
It is formed to block at least one of the air inlet side and the air outlet side of the core portion 100 corresponding to the bypass area B where the inlet tank portion 110 and the outlet tank portion 120 are formed, A stacked heat exchanger, characterized in that it is formed to block only a portion of the area where the inlet tank portion 110 and the outlet tank portion 120 are formed.
According to paragraph 3,
The first plate 130a and the second plate 130b have the ends of the first vertical portion 132 and the second horizontal portion 133 on the width direction side of the tubes 130 partially cut and deleted. A stacked heat exchanger, characterized in that a cutout portion (139b) is formed.
According to paragraph 1,
A stacked heat exchanger, wherein the first plate (130a) and the second plate (130b) have a second vertical portion (134) extending from the second horizontal portion (133). In a stacked heat exchanger formed by stacking and joining a plurality of tubes 130, where a flow path C through which the heat exchange medium flows is formed by joining the first plate 130a and the second plate 130b,
The first plate 130a and the second plate 130b are outer surfaces of the first joint 201 where the first plate 130a and the second plate 130b are joined to each other to form a heat exchange medium flow path. A first vertical part 132 is formed extending from the first horizontal part 131 and a second horizontal part 133 is formed extending from the first vertical part 132,
The second horizontal portion 133 of the first plate 130a and the second horizontal portion 133 of the second plate 130b of the neighboring tubes 130 are joined to each other to form a second joint portion 202. formed,
The second joint 202 extends from the longitudinal side of the tubes 130 to surround a portion of the widthwise side,
An inlet tank portion 110 and an outlet tank portion 120 formed by joining the cup portions 136 formed on the first plate 130a and the second plate 130b are disposed on one or both sides of the tubes 130 in the longitudinal direction. is formed,
Air flows through the core portion 100 in the width direction of the core portion 100,
The first vertical portion 132 and the second horizontal portion 133 of the first plate 130a and the second plate 130b are,
It is formed to block at least one of the air inlet side and the air outlet side of the core portion 100 corresponding to the bypass area B where the inlet tank portion 110 and the outlet tank portion 120 are formed, A stacked heat exchanger, characterized in that it is formed to block only a portion of the area where the inlet tank portion 110 and the outlet tank portion 120 are formed.
In a stacked heat exchanger formed by stacking and joining a plurality of tubes 130, where a flow path C through which the heat exchange medium flows is formed by joining the first plate 130a and the second plate 130b,
The first plate 130a and the second plate 130b are outer surfaces of the first joint 201 where the first plate 130a and the second plate 130b are joined to each other to form a heat exchange medium flow path. A first vertical part 132 is formed extending from the first horizontal part 131 and a second horizontal part 133 is formed extending from the first vertical part 132,
The second horizontal portion 133 of the first plate 130a and the second horizontal portion 133 of the second plate 130b of the neighboring tubes 130 are joined to each other to form a second joint portion 202. formed,
The second joint 202 extends from the longitudinal side of the tubes 130 to surround a portion of the widthwise side,
The first plate 130a and the second plate 130b have the ends of the first vertical portion 132 and the second horizontal portion 133 on the width direction side of the tubes 130 partially cut and deleted. A stacked heat exchanger, characterized in that a cutout portion (139b) is formed.
In a stacked heat exchanger formed by stacking and joining a plurality of tubes 130, where a flow path C through which the heat exchange medium flows is formed by joining the first plate 130a and the second plate 130b,
The first plate 130a and the second plate 130b are outer surfaces of the first joint 201 where the first plate 130a and the second plate 130b are joined to each other to form a heat exchange medium flow path. A first vertical part 132 is formed extending from the first horizontal part 131 and a second horizontal part 133 is formed extending from the first vertical part 132,
The second horizontal portion 133 of the first plate 130a and the second horizontal portion 133 of the second plate 130b of the neighboring tubes 130 are joined to each other to form a second joint portion 202. formed,
A stacked heat exchanger, wherein the first plate (130a) and the second plate (130b) have a second vertical portion (134) extending from the second horizontal portion (133).

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