JP2016008807A - Heat exchanging device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heat exchanging device capable of restricting increase of the type of component elements to be prepared.SOLUTION: A heat exchanging device 1 comprises a pair of plate-like members 2 and a plurality of heat exchangers 3 arranged side-by-side between both plate-like members 2 and fixed to both plate-like members 2. Each of the heat exchangers 3 has an inlet 9 for flowing refrigerant from outside into each of the heat exchangers 3 and an outlet 11 for flowing out the refrigerant from within each of the heat exchangers 3 to outside. The plate-like member 2 is formed with a first through-pass communicating part 16 to cause the inlet 9 to be communicated with the outside and a second through-pass communicating part 17 to cause the outlet 11 to be communicated with the outside. The second communicating part 17 to cause the outlet 11 of any one heat exchanger 3 of adjoining two heat exchangers 3 to be communicated with the outside and the first communicating part 16 to cause the inlet 9 of the other heat exchanger 3 to be communicated with the outside are communicated to each other through a communicating member 4 fixed to an outer surface of the plate-like member 2.

Description

  The present invention relates to a heat exchange device used as an evaporator of a car air conditioner that is a refrigeration cycle mounted on an automobile, for example.

  In the present specification and claims, the upper and lower sides of each drawing are referred to as the upper and lower sides.

  2. Description of the Related Art Conventionally, an evaporator used in a car air conditioner is composed of two vertically long metal plates whose peripheral portions are joined to each other, and extends vertically between the two metal plates with an interval in the ventilation direction. A plurality of flat hollow bodies having a heat exchange pipe and header forming portions provided continuously at both upper and lower ends of each heat exchange pipe are arranged in a stacked manner and the header formation portions of adjacent flat hollow bodies are joined together The four heat exchange paths and four pairs of header portions provided on the upstream side and the downstream side in the refrigerant flow direction of each heat exchange path, and two heat exchange paths in the ventilation direction Are arranged in such a manner that two heat exchange paths are arranged in a direction perpendicular to the ventilation direction and the vertical direction, and the refrigerant flow in the first heat exchange path on the leeward side of the two heat exchange paths provided on one side direction The refrigerant flow direction in the second heat exchange path on the windward side is opposite, and the refrigerant flow direction in the third heat exchange path on the leeward side and the fourth heat on the windward side among the two heat exchange paths provided on the other side. The refrigerant flow directions in the exchange path are opposite, and the refrigerant heat directions in the first heat exchange path and the fourth heat exchange path, and the second heat exchange path and the third heat exchange path are the same, respectively. A refrigerant inlet is formed at an end of the exchange path upstream of the refrigerant flow direction opposite to the fourth heat exchange path, and a third heat exchange at the downstream header of the second heat exchange path in the refrigerant flow direction. A stacked evaporator in which a refrigerant outlet is formed at an end opposite to the path is widely known (see Patent Document 1).

  By the way, in the evaporator of patent document 1, the improvement of heat exchange performance was coped with by lengthening the length of a heat exchange pipe | tube. In this case, it is necessary to prepare various types of metal plates according to the space in which the evaporator is installed and the heat exchange performance required for the evaporator, and there is a problem that the types of parts to be prepared increase.

JP 2013-24517 A

  An object of the present invention is to provide a heat exchange device that can solve the above problems and suppress an increase in the types of components to be prepared.

  In order to achieve the above object, the present invention comprises the following aspects.

1) A pair of plate-like members arranged in parallel with the ventilation direction so as to face each other with a space between them, and the two plate-like members are arranged along the shape seen from the side of the plate-like member. A plurality of heat exchangers arranged and fixed to both plate-like members, each heat exchanger having a plurality of heat exchange tubes arranged at intervals in a state in which the longitudinal direction is the same direction And heat exchange between the refrigerant flowing in the heat exchange pipe and the wind flowing between the adjacent heat exchange pipes,
Each heat exchanger has at least one inflow port for allowing the refrigerant to flow into the heat exchanger from the outside, and at least one outflow port for allowing the refrigerant to flow out from the inside of each heat exchanger. One plate-like member is formed with a penetrating first communicating portion that communicates the inlet of each heat exchanger to the outside and a penetrating second communicating portion that communicates the outlet to the outside. A second communication part that allows the outlet of one of the heat exchangers to communicate with the outside, and a first communication part that allows the inlet of the other heat exchanger to communicate with the outside. A heat exchange device communicated through a communication member fixed to the outer surface of the plate-like member.

  2) The heat exchange device according to 1) above, wherein the plate-like member is rectangular, and a plurality of heat exchangers are arranged between the two plate-like members in the longitudinal direction of the plate-like member.

  3) The plate-like member is composed of a first part perpendicular to the ventilation direction and two second parts that are connected to both ends of the first part and inclined upstream in the ventilation direction. The heat exchange device according to 1) above, wherein one heat exchanger is disposed between the second portion and the second portion.

  4) At least one heat exchange path composed of a plurality of heat exchange pipes in which the heat exchangers are continuously arranged and the refrigerant flows in the same direction, and the refrigerant exchange upstream of the heat exchange pipes constituting one heat exchange path And the downstream side thereof, each having a longitudinal direction provided in the direction of arrangement of the heat exchange pipes in the heat exchange path, and a header section through which all the heat exchange pipes of the path are communicated. The refrigerant according to any one of the above 1) to 3) is configured such that the refrigerant flowing from the refrigerant flows through all the header portions of the total heat exchanger and the heat exchange pipes of the total heat exchange path to the outside. Exchange equipment.

5) The refrigerant flowing into the heat exchanger at one end flows toward the heat exchanger at the other end and flows out of the heat exchanger,
Each heat exchanger includes one heat exchange path and a pair of header portions provided on the upstream side and the downstream side in the refrigerant flow direction of the heat exchange path, and in the heat exchange path of the total heat exchanger The refrigerant flow direction is the same, both longitudinal end portions of each header portion are fixed to both plate-like members, and any one of the longitudinal directions in the header portion upstream of the refrigerant flow direction of the heat exchange path of each heat exchanger An inflow port is formed at the end, and an outflow port is formed at the end opposite to the inflow port in the header portion on the downstream side in the refrigerant flow direction, and one of the two adjacent heat exchangers The heat exchange device according to 4) above, wherein the outlet of the heat exchanger and the inlet of the other heat exchanger are formed at the same end in the longitudinal direction of the header portion.

6) The refrigerant that has flowed into the heat exchanger at one end flows toward the heat exchanger at the other end and flows out of the heat exchanger,
Each heat exchanger includes four heat exchange paths and four pairs of header portions provided on the upstream side and the downstream side in the refrigerant flow direction of each heat exchange path, and 2 in the direction connecting the two plate-like members. The two heat exchange paths are arranged and two heat exchange paths are arranged in the ventilation direction, and the refrigerant flows in the heat exchange path at the same position in the direction connecting the two plate-like members and the ventilation direction in the total heat exchanger The direction of the refrigerant is the same, and the flow direction of the refrigerant in the second heat exchange path is the same as the flow direction of the refrigerant in one of the two heat exchange paths provided on the side of the first plate member. Of the two heat exchange paths provided on the other second plate-like member side in the opposite direction, the other of the same direction as the refrigerant flow direction of the third heat exchange path located at the same position as the first heat exchange path with respect to the ventilation direction The refrigerant flow direction in the fourth heat exchange path is reverse, and First heat exchange path and the fourth heat exchange path, and the second heat exchange path and the refrigerant flow direction of the third heat exchange paths are identical, respectively,
An inlet is formed at the first plate-like member side end of the first heat exchange path upstream of the first heat exchange path of each heat exchanger, and the second second heat exchange path downstream of the other heat exchange path. An outlet is formed at the first plate-like member side end of the side header portion,
In each heat exchanger, the refrigerant flow direction downstream header part of the first heat exchange path and the refrigerant flow direction upstream header part of the third heat exchange path communicate with each other, and the refrigerant flow direction of the second heat exchange path The upstream header portion is communicated with the downstream header portion in the refrigerant flow direction of the fourth heat exchange path, and further the downstream header portion in the refrigerant flow direction of the third heat exchange path and the refrigerant flow direction of the fourth heat exchange path. The upstream header section is connected,
The refrigerant that has flowed through the inlet into the header portion on the upstream side in the refrigerant flow direction of the first heat exchange path of each heat exchanger passes through the first heat exchange path, the third heat exchange path, the fourth heat exchange path, and the second heat exchange path. The heat exchange device according to 4) above, which flows in the order of the heat exchange path and flows out from the downstream header portion in the refrigerant flow direction of the second heat exchange path through the outlet.

7) The refrigerant flowing into the heat exchanger at one end flows toward the heat exchanger at the other end and flows out of the heat exchanger,
Each heat exchanger includes four heat exchange paths and four pairs of header portions provided on the upstream side and the downstream side in the refrigerant flow direction of each heat exchange path, and 2 in the direction connecting the two plate-like members. The two heat exchange paths are arranged and two heat exchange paths are arranged in the ventilation direction, and the refrigerant flows in the heat exchange path at the same position in the direction connecting the two plate-like members and the ventilation direction in the total heat exchanger The direction of the refrigerant is the same, and the flow direction of the refrigerant in the second heat exchange path is the same as the flow direction of the refrigerant in one of the two heat exchange paths provided on the side of the first plate member. Of the two heat exchange paths provided on the second plate member side, the other direction is the same as the refrigerant flow direction of the third heat exchange path located at the same position as the first heat exchange path with respect to the ventilation direction. The direction of refrigerant flow in the fourth heat exchange path is the same, and The refrigerant flow direction of the first and second heat exchange path and the third and fourth heat exchange paths are reversed,
An inlet is formed at the first plate-like member side end of the first heat exchange path in the first heat exchange path of each heat exchanger, and a second header section in the second heat exchange path in the refrigerant flow direction An outlet is formed at the first plate-like member side end of
In each heat exchanger, the refrigerant flow direction downstream header part of the first heat exchange path and the refrigerant flow direction upstream header part of the third heat exchange path communicate with each other, and the refrigerant flow direction of the second heat exchange path The upstream header part is communicated with the downstream header part in the refrigerant flow direction of the fourth heat exchange path, and further the upstream header part in the refrigerant flow direction of the third heat exchange path and the refrigerant flow direction of the fourth heat exchange path The upstream header portion is communicated, the refrigerant flow direction downstream header portion of the third heat exchange path and the refrigerant flow direction downstream header portion of the fourth heat exchange path are communicated,
The refrigerant flowing through the inlet into the header portion on the upstream side in the refrigerant flow direction of the first heat exchange path of each heat exchanger passes through the first heat exchange path, the third and fourth heat exchange paths, and the second heat exchange path. The heat exchange device as described in 4) above, wherein the heat exchange device flows through the outlet from the downstream header portion in the refrigerant flow direction of the second heat exchange path.

8) The refrigerant that has flowed into the heat exchanger at one end flows toward the heat exchanger at the other end, and then returns to the heat exchanger at one end and flows out of the heat exchanger.
Each heat exchanger includes four heat exchange paths and four pairs of header portions provided on the upstream side and the downstream side in the refrigerant flow direction of each heat exchange path, and 2 in the direction connecting the two plate-like members. The two heat exchange paths are arranged and two heat exchange paths are arranged in the ventilation direction, and the refrigerant flows in the heat exchange path at the same position in the direction connecting the two plate-like members and the ventilation direction in the total heat exchanger The direction of the refrigerant is the same, and the flow direction of the refrigerant in the second heat exchange path is the same as the flow direction of the refrigerant in one of the two heat exchange paths provided on the side of the first plate member. Of the two heat exchange paths provided on the other second plate-like member side in the opposite direction, the other of the same direction as the refrigerant flow direction of the third heat exchange path located at the same position as the first heat exchange path with respect to the ventilation direction The refrigerant flow direction in the fourth heat exchange path is reverse, and First heat exchange path and the fourth heat exchange path, and the second heat exchange path and the refrigerant flow direction of the third heat exchange paths are identical, respectively,
An inlet is formed at the first plate-like member side end of the first heat exchange path in the first heat exchange path of each heat exchanger, and a second header section in the second heat exchange path in the refrigerant flow direction An outlet is formed at the first plate-like member side end of the first plate-like member, and an outlet is formed at the second plate-like member-side end portion of the header portion in the refrigerant flow direction of the third heat exchange path of each heat exchanger. In addition, an inlet is formed at the second plate-like member side end of the header portion on the upstream side in the refrigerant flow direction of the fourth heat exchange path,
An outlet is formed at the first plate-like member side end of the header portion on the downstream side in the refrigerant flow direction of the first heat exchange path in each of the other heat exchangers excluding the heat exchanger at the other end, and A third heat exchange in each of the other heat exchangers except for the heat exchanger at the other end, where an inlet is formed at the first plate-like member side end of the header portion on the upstream side in the refrigerant flow direction of the two heat exchange paths An inlet is formed at the second plate-like member side end of the upstream header portion of the path in the refrigerant flow direction, and the second plate-like member side end of the fourth heat exchange path downstream header portion of the refrigerant flow direction. An outlet is formed in the part,
In the heat exchanger at the other end, the downstream header portion in the refrigerant flow direction of the first heat exchange path and the upstream header portion in the refrigerant flow direction of the third heat exchange path communicate with each other, and the refrigerant in the fourth heat exchange path The downstream header portion in the flow direction and the upstream header portion in the refrigerant flow direction of the second heat exchange path are respectively communicated;
The refrigerant flowing into the heat exchanger at one end through the inlet sequentially passes through the first heat exchange path of the total heat exchanger and enters the third heat exchange path in the heat exchanger at the other end. Through the third heat exchange path and enter the fourth heat exchange path in the heat exchanger at the one end, sequentially through the fourth heat exchange path of the total heat exchanger and in the heat exchanger at the other end. 2. The heat exchange device according to 4), wherein the heat exchange device enters the two heat exchange paths, and sequentially passes through the second heat exchange path of the total heat exchanger, and then flows out from the heat exchanger at the one end through the outlet.

  9) A downstream header portion in the refrigerant flow direction of the first heat exchange path of the other heat exchanger excluding the heat exchanger at the other end, and a heat exchanger adjacent to the other end side with respect to the heat exchanger And the upstream header portion in the refrigerant flow direction of the first heat exchange path, and the upstream header portion in the refrigerant flow direction of the second heat exchange path of the other heat exchanger excluding the heat exchanger at the other end. The other heat excluding the heat exchanger at one end is communicated with the downstream header portion in the refrigerant flow direction of the second heat exchange path of the heat exchanger adjacent to the other end side with respect to the heat exchanger. The downstream header portion in the refrigerant flow direction of the third heat exchange path of the exchanger and the upstream header portion in the refrigerant flow direction of the third heat exchange path of the heat exchanger adjacent to the one end side with respect to the heat exchanger. To the upstream side in the refrigerant flow direction of the fourth heat exchange path of the other heat exchanger excluding the heat exchanger at the one end. A reader unit, the 8 and the refrigerant flow direction downstream side header portion of the fourth heat exchange path of the heat exchanger adjacent the one end side relative to the heat exchanger is vented) heat exchange apparatus according.

10) The refrigerant that has flowed into the heat exchanger at one end flows toward the heat exchanger at the other end and flows out of the heat exchanger,
Each heat exchanger includes two heat exchange paths arranged in the ventilation direction and two pairs of header portions provided on the upstream side and the downstream side in the refrigerant flow direction of each heat exchange path. The refrigerant flow direction of the other second heat exchange path is opposite to the refrigerant flow direction of one first heat exchange path of the two heat exchange paths in FIG.
An inlet is formed at either end in the longitudinal direction of the header portion on the upstream side in the refrigerant flow direction of the first heat exchange path of each heat exchanger, and the header on the downstream side in the refrigerant flow direction of the second heat exchange path An outflow port is formed at an end of the unit opposite to the inflow port, and an outflow port of one of the two adjacent heat exchangers and an inflow port of the other heat exchanger are Formed at the same end in the longitudinal direction of the header portion, and in each heat exchanger, the downstream header portion in the refrigerant flow direction of the first heat exchange path communicates with the upstream header portion in the refrigerant flow direction of the second heat exchange path. Have been
The refrigerant that has flowed into the header portion on the upstream side in the refrigerant flow direction of the first heat exchange path of each heat exchanger through the inflow port flows in the order of the first heat exchange path and the second heat exchange path. The heat exchange device according to 4) above, wherein the heat exchange device is configured to flow out from the downstream header portion in the refrigerant flow direction through the outlet.

  According to the heat exchange apparatus of 1) to 10) above, a pair of plate-like members arranged in parallel to the ventilation direction so as to face each other with a space therebetween, and between the plate-like members, Since it has multiple heat exchangers arranged side by side along the shape seen from the side and fixed to both plate-like members, it can be installed by changing the number of heat exchangers to be used It can accommodate space and required heat exchange performance. In addition, by making the size and configuration of at least two heat exchangers the same, it is possible to suppress an increase in the types of parts to be prepared and the types of equipment for manufacturing the parts.

  Each heat exchanger has at least one inflow port for allowing the refrigerant to flow into the heat exchanger from the outside, and at least one outflow port for allowing the refrigerant to flow out from the inside of each heat exchanger, and at least Either one of the plate-like members is formed with a penetrating first communicating portion that allows the inlet of each heat exchanger to communicate with the outside and a penetrating second communicating portion that allows the outlet to communicate with the outside. A second communication part that allows the outlet of one of the two heat exchangers to communicate with the outside, and a first communication part that allows the inlet of the other heat exchanger to communicate with the outside Are communicated via a communication member fixed to the outer surface of the plate-like member. For example, the components constituting each heat exchanger are brazed to manufacture the total heat exchanger, Brazing the exchanger and plate member, and plate member and communication member It is possible to manufacture the heat exchange device by Rukoto. Therefore, it becomes possible to manufacture the heat exchange device relatively easily. Moreover, compared to the case where a plurality of heat exchangers are connected by pipes, the joining process between the heat exchangers and the pipes becomes unnecessary, the manufacturing process becomes easy, and the space for arranging the pipes becomes unnecessary. This reduces the installation space. Moreover, it becomes possible to change the shape of the heat exchange device as appropriate according to the space to be installed only by changing the shape of the plate-like member and the arrangement of the heat exchangers.

  Furthermore, the refrigerant flow circuit in the entire heat exchange device can be designed relatively freely.

  According to the heat exchange device of 4) above, when the refrigerant flowing in from the outside flows through all the header portions of the total heat exchanger and the heat exchange pipe of the total heat exchange path and flows out to the outside, each of the heat exchangers Since mixing is performed in the header portion, it is possible to efficiently flow in the heat exchange pipe.

  According to the heat exchange device of 5) above, if openings are formed at both ends of both header portions of the total heat exchanger and unnecessary openings are closed with plate-like members, the configuration of the total heat exchanger It becomes possible to be the same. Therefore, it is possible to effectively suppress an increase in the types of components to be prepared and the types of equipment for manufacturing the components.

  According to the heat exchange devices of 6) and 7) above, since the configuration of the total heat exchanger is the same, it is possible to effectively suppress an increase in the types of parts to be prepared and the types of equipment for manufacturing the parts. Can do.

  According to the heat exchange device of 10) above, the refrigerant flows from the leeward side to the leeward side with respect to the wind flow in each heat exchanger, so that the heat exchange efficiency is improved by passing through the total heat exchanger. To do.

It is the vertical sectional view seen from the leeward side which omitted a part showing the whole heat exchange device composition of Embodiment 1 of this invention. It is a partially cutaway right view of the heat exchange apparatus of FIG. It is a perspective view which abbreviate | omits one part and shows roughly the whole structure of the heat exchange apparatus of FIG. It is a partially cutaway right view which shows the heat exchange apparatus of Embodiment 2 of this invention. It is the vertical sectional view seen from the leeward side which abbreviate | omitted one part which shows the whole structure of the heat exchange apparatus of Embodiment 3 of this invention. It is a partially cutaway right view of the heat exchange apparatus of FIG. It is a partially cutaway right view which shows the heat exchange apparatus of Embodiment 4 of this invention. It is a perspective view which abbreviate | omits one part and shows the whole structure of the heat exchange apparatus of FIG. It is a partially cutaway right view which shows the heat exchange apparatus of Embodiment 5 of this invention. FIG. 10 is a perspective view schematically showing the overall configuration of the heat exchange device of FIG. 9 with a part omitted. It is a partially cutaway right view which shows the heat exchange apparatus of Embodiment 6 of this invention. It is a perspective view which abbreviate | omits one part and shows the whole structure of the heat exchange apparatus of FIG. It is a partially cutaway right view which shows the heat exchange apparatus of Embodiment 7 of this invention. It is a perspective view which abbreviate | omits one part and shows roughly the whole structure of the heat exchange apparatus of FIG.

  Embodiments of the present invention will be described below with reference to the drawings.

  In the following description, the term “aluminum” includes aluminum alloys in addition to pure aluminum.

In the following description, the downstream side in the ventilation direction indicated by the arrow X in FIGS. 2 to 4 and FIGS. 6 to 14 is referred to as the front, and the opposite side is referred to as the rear. (Left and right in FIGS. 1 and 5) are referred to as left and right.
Embodiment 1
This embodiment is shown in FIGS.

  1 and 2 specifically illustrate the overall configuration of the heat exchange device of the first embodiment, and FIG. 3 schematically illustrates the overall configuration of the heat exchange device of FIG.

  1 to 3, the heat exchange device (1) used as an evaporator for a car air conditioner is opposed to the left and right with a distance in the left-right direction with the longitudinal direction directed in the vertical direction and the width direction directed in the ventilation direction. A pair of rectangular aluminum plate-like members (2) arranged in parallel to the air flow direction and the shape of the plate-like member (2) viewed from the left and right sides between the two plate-like members (2) A plurality of aluminum heat exchangers (3) arranged side by side in the longitudinal direction of the plate-like member (2) and fixed to the two plate-like members (2), and the two plate-like members (2) A plate-shaped aluminum communication member (4) brazed to the outer surface and passed through adjacent heat exchangers (3) is provided.

  Each heat exchanger (3) has a plurality of heat exchange tubes (5) arranged at intervals in a state where the longitudinal direction is directed in the vertical direction (same direction), and the inside of the heat exchange tube (5) The flowing refrigerant and the wind flowing between the adjacent heat exchange tubes (5) exchange heat, and each heat exchanger (3) is arranged in a row and a plurality of heat flows in the same direction. The heat exchange path (6) consisting of the exchange pipe (5) and the heat exchange pipe (5) constituting the heat exchange path (6) are heat exchanged in the longitudinal direction on the upstream and downstream sides of the refrigerant flow direction. A header section (7) provided in the direction (left-right direction) of the heat exchange pipe (5) in the path (6) and through which the total heat exchange pipe (5) of the heat exchange path (6) is communicated. 8), and the flow direction of the refrigerant in the heat exchange path (6) of each heat exchanger (3) is the same, here from below to above.

  Refrigerant into each heat exchanger (3) from the outside at one end in the longitudinal direction of the lower header portion (7) on the upstream side in the refrigerant flow direction of the heat exchange path (6) of each heat exchanger (3) Is formed at the end opposite to the side where the inlet (9) is formed in the upper header portion (8) on the downstream side in the refrigerant flow direction. ) Is formed, and the outlet (11) of one of the two adjacent heat exchangers (3) and the inlet (9) of the other heat exchanger (3) Are located at the same end in the longitudinal direction of the header portions (7) and (8). Accordingly, each heat exchanger (3) has one inflow port (9) for allowing the refrigerant to flow into the heat exchanger (3) from the outside, and allows the refrigerant to flow out from the inside of each heat exchanger (3). And one outlet (11). Specifically, a heat exchanger (3) in which an inlet (9) is formed at the right end of the lower header portion (7) and an outlet (11) is formed at the left end of the upper header portion (8). ) And a heat exchanger (3) in which an inlet (9) is formed at the left end of the lower header portion (7) and an outlet (11) is formed at the right end of the upper header portion (8). The former heat exchanger (3) is alternately arranged so as to be located at the lower end.

  Each heat exchanger (3) includes a plurality of flat rectangular hollow bodies (12) that are arranged in a stacked manner in the left-right direction in the width direction toward the ventilation direction and joined to each other. The flat hollow body (12) is formed by brazing two plates (13) made of an aluminum brazing sheet having a brazing filler metal layer on both sides and having the same outer shape when viewed from the left and right sides. Is. Between the two plates (13) that make up the flat hollow body (12), there are two swelled heat exchange tubes (5) arranged in the ventilation direction extending vertically, and both heat exchanges extending in the ventilation direction. A bulged header forming portion (14) that communicates with both ends of the pipe (5) is provided. The horizontal heights of both heat exchange tubes (5) of the flat hollow body (12) are equal to each other, and the horizontal heights of both header forming portions (14) of the flat hollow body (12) are They are equal to each other and higher than the horizontal height of the heat exchange pipe (5). Then, heat exchangers (3) are formed by brazing the header forming portions (14) of adjacent flat hollow bodies (12) in a continuous manner, and between adjacent heat exchange tubes (5). A ventilation gap is formed, and an aluminum corrugated outer fin (15) is disposed in the ventilation gap and brazed to the plates (13) of the flat hollow bodies (12) on both sides. Although not shown, aluminum corrugated inner fins are disposed so as to straddle the heat exchange tubes (5) before and after the flat hollow body (12) and brazed to both plates (13). Yes. Further, the plate (13) on the left and right sides of the flat hollow bodies (12) at the left and right ends of each heat exchanger (3) is brazed to the plate-like member (2), whereby each heat exchanger (3 ) Is fixed to both plate-like members (2).

  At least one of the plate-like members (2), here both plate-like members (2), has a penetrating first communication portion (16) that allows the inlet (9) of each heat exchanger (3) to communicate with the outside. ) And a second communication part (17) having a penetrating shape that allows the outlet (11) to communicate with the outside, and one of the two adjacent heat exchangers (3) (3 ) The second communication part (17) for communicating with the outside (11) and the first communication part (16) for communicating the inlet (9) of the other heat exchanger (3) with the outside. The communication member (4) is communicated. Specifically, the left communication member (4) has an inlet (9) formed at the left end of the lower header portion (7) and an outlet (11) at the right end of the upper header portion (8). A first communication part (16) that allows the inlet (9) of the formed heat exchanger (3) to communicate with the outside, and an inlet (9) are formed at the right end of the lower header part (7). An outward bulge that allows the outlet (11) of the heat exchanger (3) having the outlet (11) formed at the left end of the header (8) to communicate with the second communicating portion (17). (18) is provided, the right communication member (4) is formed with an inlet (9) at the right end of the lower header (7) and an outlet (9) at the left end of the upper header (8). The first communication part (16) for communicating the inlet (9) of the heat exchanger (3) formed with 11) to the outside, and the inlet (9) are formed at the left end of the lower header part (7). And the outlet (11) of the heat exchanger (3) in which the outlet (11) is formed at the right end of the upper header section (8). An outward bulging portion (18) is provided to be communicated with the second communication portion (17). In addition, the right communication member (4) is provided with a refrigerant inlet (19) that leads to the first communication portion (16) that allows the inlet (9) of the heat exchanger (3) at the lower end to communicate with the outside. 4) is provided with a refrigerant outlet (21) that leads to a second communication part (17) that allows the outlet (11) of the heat exchanger (3) at the upper end to communicate with the outside.

  In addition, through holes are formed in the bulging top walls of the portions forming the header forming portions (14) in the plates (13) of the flat hollow bodies (12) at both the left and right ends constituting all the heat exchangers (3). The inflow port (9) and the outflow port (11) may be formed by closing the through holes of necessary portions of these through holes with the plate-like member (2), or all the heat exchangers ( A through hole is formed only in the bulging top wall of the portion that becomes the header forming portion (14) of the required plate (13) in the outer plate (13) of the flat hollow body (12) on both the left and right sides constituting 3). The inlet (9) and the outlet (11) may be formed by.

  The heat exchange device (1) is manufactured by temporarily fastening a combination of the constituent members and brazing all the constituent members at once.

  An evaporator including a heat exchange device (1) is housed in a case disposed in a vehicle interior of a vehicle, for example, an automobile, constitutes a refrigeration cycle together with a compressor and a condenser, and is used for a car air conditioner.

In the heat exchange device (1) described above, the heat at the lower end passes through the refrigerant inlet (19) of the right communication member (4), the first communication portion (16) of the right plate member (2), and the inlet (9). The refrigerant flowing into the lower header portion (7) of the exchanger (3) flows upward in the heat exchange pipe (5) of the heat exchange path (6) and enters the upper header portion (8), and flows out. (11), the second communication part (17) of the left plate member (2), the outward bulging part (18) of the left communication member (4), the first communication part (16 of the left plate member (2)) ) And the inlet (9), and flows into the lower header portion (7) of the second heat exchanger (3) from the bottom. The refrigerant flowing into the lower header portion (7) of the second heat exchanger (3) from the bottom flows upward in the heat exchange pipe (5) of the heat exchange path (6) to the upper header portion (8). Get inside. By repeating such an operation, the refrigerant enters the upper header portion (8) of the heat exchanger (3) at the upper end, and flows into the outlet (11) and the second communication portion (17) of the left plate member (2). Then, it flows out through the refrigerant outlet (21) of the left communication member (4).
Embodiment 2
This embodiment is shown in FIG.

  FIG. 4 is a right side view illustrating the overall configuration of the heat exchange device according to the second embodiment.

  In the heat exchanging device (25) shown in FIG. 4, the aluminum plate-like member (26) is connected to both ends of the vertical first portion (27) and the first portion (27) perpendicular to the ventilation direction. It consists of two 2nd parts (28) which inclined toward the ventilation direction upstream toward the up-down direction outer side. Further, one heat exchanger (3) is disposed between the first portions (27) and both the second portions (28) of both plate-like members (2). The outer shape of the communication member (29) is the same shape as the outer shape of the plate-like member (2).

The configuration of each heat exchanger (3) and other configurations are the same as those of the heat exchange device (1) of the first embodiment.
Embodiment 3
This embodiment is shown in FIG. 5 and FIG.

  5 and 6 specifically show the overall configuration of the heat exchange device of the third embodiment.

  In the heat exchange device (30) shown in FIGS. 5 and 6, the plate-like member (2) is formed between the plate-like members (2) so as to follow the shape seen from the left and right sides of the plate-like member (2). The plurality of heat exchangers (31) arranged side by side in the longitudinal direction and fixed to the two plate-like members (2) are left and right with the longitudinal direction facing the vertical direction and the width direction facing the ventilation direction. A plurality of flat aluminum heat exchange pipes (32) arranged at intervals in the direction and the heat exchange pipe (32) are formed separately, and the heat exchange pipe is in a state where the longitudinal direction is directed in the left-right direction. And (32) an aluminum tank (33) disposed on both sides in the longitudinal direction. Here, a set of two heat exchange pipes (32) arranged at intervals in the ventilation direction is arranged at intervals in the left-right direction, and an aluminum corrugate between adjacent sets in the left-right direction An outer fin (15) is disposed and brazed so as to straddle the two heat exchange tubes (32) of each group. Each tank (33) is provided with one header section (7) (8), and both tanks (33, 33) are connected so that both ends of the heat exchange pipe (32) communicate with both header sections (7) (8). ) Is connected by brazing. The total heat exchange pipe (32) constitutes one heat exchange path (6), and the refrigerant flows in the heat exchange pipe (32) constituting one heat exchange path (6) in the lower tank (33). A header portion (7) on the upstream side in the direction is provided, and a header portion (8) on the downstream side in the refrigerant flow direction of the heat exchange pipe (32) constituting the heat exchange path (6) is provided in the upper tank (33). ing.

The inflow port (9) and the outflow port (11) of each heat exchanger (3) are formed at the same position as in the case of the heat exchange device (1) of the first embodiment, and the plate-like member (2) and the communication are formed. The configuration of the member (4) is the same as that of the heat exchange device of the first embodiment.
Embodiment 4
This embodiment is shown in FIG. 7 and FIG.

  FIG. 7 specifically shows the overall configuration of the heat exchange apparatus of the fourth embodiment, and FIG. 8 schematically shows the overall configuration of the heat exchange apparatus of the fourth embodiment with a part omitted.

  In the heat exchange device (40) shown in FIG. 7 and FIG. 8, the plate-like member (2) is arranged between both plate-like members (2) so as to follow the shape seen from the left and right sides of the plate-like member (2). A plurality of heat exchangers (41) arranged side by side in the longitudinal direction and fixed to both plate-like members (2) are arranged at intervals with the longitudinal direction oriented in the vertical direction (same direction) A plurality of heat exchange pipes (42), the refrigerant flowing in the heat exchange pipe (42) and the wind flowing between the adjacent heat exchange pipes (42) exchange heat, The heat exchanger (41) includes four heat exchange paths (43), (44), (45), and (46) each including a plurality of heat exchange tubes (42) that are continuously arranged and the refrigerant flows in the same direction. The heat exchange paths (43), (44), (45), (46), the heat exchange paths (43), (44), (42), the longitudinal direction of the heat exchange pipe (42) on the upstream and downstream sides in the refrigerant flow direction, respectively. 45) (46) in the direction (horizontal direction) of the heat exchange tubes (42) And four pairs of header portions (47), (48), (49), (50) through which the total heat exchange pipes (42) of the heat exchange paths (43) (44) (45) (46) are communicated. ) (51) (52) (53) (54) and two heat exchange paths (43) (44) and (45) (46) are arranged in the ventilation direction, and left and right direction (both plate-shaped Two heat exchange paths (43) (45) and (44) (46) are arranged in a row in the direction connecting the members (2).

  Flow direction of refrigerant in the heat exchange paths (43) (44) (45) (46) in the same position with respect to the ventilation direction and the left-right direction (direction connecting both plate-like members (2)) in the total heat exchanger (41) Are the same, and the first heat exchange path on the downstream side of the ventilation direction of the two heat exchange paths (43) and (44) on the side of the first plate member (2), here the right plate member (2). The refrigerant flow direction of (43) and the refrigerant flow direction of the second heat exchange path (44) upstream of the ventilation direction are opposite to each other, and the other second plate member (2), here the left plate member (2 ) Side two heat exchange paths (45), (46), the fourth heat, which is the same as the refrigerant flow direction in the third heat exchange path (45), which is in the same position as the first heat exchange path (43) in the ventilation direction. The refrigerant flow direction of the exchange path (46) is opposite, and further, the first heat exchange path (43) and the fourth heat exchange path (46), and the second heat exchange path (44) and the third heat exchange path ( 45) The refrigerant flow directions are the same. Here, in the first heat exchange path (43) and the fourth heat exchange path (46), the refrigerant flows downward from above, and in the second heat exchange path (44) and the third heat exchange path (45), the refrigerant flows downward. From above.

  The inlet to the right end (the first plate member (2) side end on the right side) of the upper header (47) on the upstream side in the refrigerant flow direction of the first heat exchange path (43) of each heat exchanger (41) (9) is formed, and an outlet (11) is formed at the right end of the upper header (49) on the downstream side in the refrigerant flow direction of the second heat exchange path (44). Outlet (11) of one heat exchanger (41) of (41) and the inlet (9) of the other heat exchanger (41) are located at the same end in the longitudinal direction of the header part. doing. Accordingly, each heat exchanger (41) has one inflow port (9) through which the refrigerant flows into each heat exchanger (41) from the outside, and allows the refrigerant to flow out from each heat exchanger (41) to the outside. And one outlet (11). Further, the lower header portion (48) on the downstream side in the refrigerant flow direction of the first heat exchange path (43) and the lower header portion (53) on the upstream side in the refrigerant flow direction of the third heat exchange path (45) communicate with each other. A lower header portion (51) upstream of the second heat exchange path (44) in the refrigerant flow direction and a lower header section downstream of the fourth heat exchange path (46) in the refrigerant flow direction. Part (55) is communicated via the communication port (57), the upper header part (52) on the downstream side in the refrigerant flow direction of the third heat exchange path (45), and the fourth heat exchange path (46). The upper header portion (54) on the upstream side in the refrigerant flow direction is communicated with the communication port (58). Therefore, the refrigerant flowing into the heat exchanger (41) at one end, here the lower end, passes through each heat exchanger (41) through the first heat exchange path (43), the third heat exchange path (45), and the fourth heat. It flows in the order of the exchange path (46) and the second heat exchange path (44) and flows out from the heat exchanger (41) at the upper end.

  Each heat exchanger (41) is composed of two plates (13) brazed to each other in the same manner as the heat exchange device (1) of the first embodiment, and in the left-right direction toward the ventilation direction in the width direction. A plurality of flat rectangular hollow bodies (59) arranged in a stacked manner and joined to each other are provided. The difference between the flat hollow body (59) of the fourth embodiment and the flat hollow body (12) of the first embodiment is that the upper and lower ends of two bulging heat exchange tubes (42) arranged in the ventilation direction extending in the vertical direction. The four bulged header forming portions (61) through which the portion communicates are provided. Then, heat exchangers (41) are formed by brazing the header forming portions (61) of the adjacent flat hollow bodies (59) in a continuous manner, and between the adjacent heat exchange tubes (42). A ventilation gap is formed, and an aluminum corrugated outer fin (15) is disposed in the ventilation gap and brazed to the plates of the flat hollow bodies (59) on both sides. In addition, the plate (13) on the outer side in the left-right direction in the flat hollow body (59) at the left and right ends of each heat exchanger (41) is brazed to the plate-like member (2), whereby each heat exchanger (41 ) Is fixed to both plate-like members (2).

  At least one of the plate-like members (2), here, the first plate-like member (2) on the right side, has a penetrating first communication that allows the inlet (9) of each heat exchanger (41) to communicate with the outside. A penetrating second communication part (17) that allows the part (16) and the outlet (11) to communicate with the outside is formed, and heat exchange is performed on one of the two adjacent heat exchangers (41). A second communication part (17) for communicating the outlet (11) of the heat exchanger (41) to the outside, and a first communication part (16 for communicating the inlet (9) of the other heat exchanger (41) to the outside. ) Through the communication member (4). Specifically, the right communication member (4) has a first communication part (16) that allows the inlet (9) of the heat exchanger (41) to communicate with the outside, and an outlet ( An outwardly bulging portion (18) is provided through which the second communicating portion (17) through which 11) communicates with the outside. In addition, the right communication member (4) has a refrigerant inlet (19) communicating with the first communication part (16) that allows the inlet (9) of the heat exchanger (41) at the lower end to communicate with the outside, and a heat exchanger at the upper end. There is provided a refrigerant outlet (21) communicating with the second communication part (17) through which the outlet (11) of (41) communicates with the outside.

  Note that through holes are formed in the bulging top walls of the portions forming the header forming portions (61) in the plates (13) of the flat hollow bodies (59) at both the left and right ends constituting all the heat exchangers (41). The inflow port (9) and the outflow port (11) may be formed by closing the through holes of necessary portions of these through holes with the plate-like member (2), or all the heat exchangers ( 41) A through hole is formed only in the bulging top wall of the portion that becomes the header forming portion (61) of the required plate (13) in the outer plate (13) of the flat hollow body (59) at both the left and right ends constituting The inlet (9) and the outlet (11) may be formed by.

  Other configurations are the same as those of the heat exchange device (1) of the first embodiment.

  The heat exchanging device (40) is manufactured by temporarily fixing the constituent members in combination and brazing all the constituent members together.

  An evaporator including a heat exchange device (40) is housed in a case disposed in a vehicle interior of a vehicle, for example, an automobile, constitutes a refrigeration cycle together with a compressor and a condenser, and is used for a car air conditioner.

In the heat exchange device (40) described above, the refrigerant inlet (19) of the right communication member (4), the first communication part (16) of the right plate member (2), and the inlet (9) are connected to the lower end. The refrigerant flowing into the upper header part (47) located above the first heat exchange path (43) of the heat exchanger (41) passes through the heat exchange pipe (42) of the first heat exchange path (43). It flows downward and enters the lower header part (48), and then the lower header part (53) below the third heat exchange path (45), the heat exchange pipe (42) of the third heat exchange path (45), Upper header portion (52) on the upper side of the third heat exchange path (45), upper header portion (54) on the upper side of the fourth heat exchange path (46), and heat exchange pipe (42 on the fourth heat exchange path (46)) ), The lower header portion (55) below the fourth heat exchange path (46), the lower header portion (51) below the second heat exchange path (44), and the second heat exchange path (44). It goes into the upper header part (49) on the upper side of the second heat exchange path (44) through the heat exchange pipe (42), enters the outlet (11), and the second communication part (17) of the right plate member (2). , Right side The second heat exchanger (41) from the bottom through the outwardly bulging portion (18) of the member (4), the first communication portion (16) of the right plate member (2), and the inlet (9) It flows into the upper header part (47) of the first heat exchange path (43). By repeating such an operation, the refrigerant enters the upper header portion (47) of the second heat exchange path (44) of the heat exchanger (41) at the upper end, and flows into the outlet (11), the right plate member (2). It flows out to the outside through the second communication part (17) and the refrigerant outlet (21) of the left communication member (4).
Embodiment 5
This embodiment is shown in FIG. 9 and FIG.

  FIG. 9 specifically shows the overall configuration of the heat exchange apparatus of the fifth embodiment, and FIG. 10 schematically shows the overall configuration of the heat exchange apparatus of the fifth embodiment with a part omitted.

  In the heat exchange device (70) shown in FIG. 9 and FIG. 10, the plate-like member (2) is arranged between both plate-like members (2) so as to follow the shape seen from the left and right sides of the plate-like member (2). A plurality of heat exchangers (71) arranged side by side in the longitudinal direction and fixed to both plate-like members (2) are arranged at intervals with the longitudinal direction directed in the vertical direction (same direction) A plurality of heat exchange pipes (72), and the refrigerant flowing in the heat exchange pipe (72) and the wind flowing between the adjacent heat exchange pipes (72) exchange heat. The heat exchanger (71) has four heat exchange paths (73), (74), (75), and (76) composed of a plurality of heat exchange tubes (72) that are continuously arranged and the refrigerant flows in the same direction, and one heat exchanger (71). The heat exchange paths (73), (74), (75), (76) are arranged in the heat exchange paths (73), (74), (72) in the refrigerant flow direction upstream and downstream sides of the heat exchange pipe (72). 75) (76) heat exchange pipe (72) alignment direction (left-right direction) And four pairs of header portions (77) (78) (79) (81) which are provided toward and through which the total heat exchange pipes (72) of the heat exchange paths (73) (74) (75) (76) are communicated. ) (82) (83) (84) (85) and two heat exchange paths (73) (74) and (75) (76) are arranged in the ventilation direction, and the left and right direction (both plate-shaped Two heat exchange paths (73) (75) and (74) (76) are arranged in a row in the direction connecting the members (2).

  Flow direction of refrigerant in the heat exchange paths (73) (74) (75) (76) in the same position with respect to the ventilation direction and the left-right direction (direction connecting both plate-like members (2)) in the total heat exchanger (71) Are the same, and the first heat exchange path on the downstream side of the ventilation direction among the two heat exchange paths (73), (74) on the side of the first plate member (2), here the right side plate member (2). The refrigerant flow direction of (73) and the refrigerant flow direction of the second heat exchange path (74) on the upstream side in the ventilation direction are the same, and the other second plate member (2), here the left plate member (2) Of the two heat exchange paths (75) and (76) on the side of the third heat exchange path (75) located at the same position as the first heat exchange path (73) in the ventilation direction, and the fourth heat exchange on the other side in the refrigerant flow direction of the third heat exchange path (75) The refrigerant flow direction of the path (76) is the same, and the refrigerant flow directions of the first and second heat exchange paths (73) (74) and the third and fourth heat exchange paths (75) (76) are opposite. It has become. Here, the refrigerant flows from below to above in the first and second heat exchange paths (73) and (74), and the refrigerant flows from above to below in the third and fourth heat exchange paths (75) and (76).

  The inlet to the right end (the first plate-like member (2) side end on the right side) of the lower header (78) on the upstream side in the refrigerant flow direction of the first heat exchange path (73) of each heat exchanger (71) (9) is formed, and an outlet (11) is formed at the right end of the upper header portion (79) on the downstream side in the refrigerant flow direction of the second heat exchange path (74), and two adjacent heat exchangers are formed. Outlet (11) of one heat exchanger (71) of (71) and the inlet (9) of the other heat exchanger (71) are located at the same end in the longitudinal direction of the header part. doing. Therefore, each heat exchanger (71) has one inflow port (9) for allowing the refrigerant to flow into the heat exchanger (71) from the outside, and allows the refrigerant to flow out from the inside of each heat exchanger (71). And one outlet (11). Further, the upper header part (77) on the downstream side in the refrigerant flow direction of the first heat exchange path (73) and the upper header part (82) on the upstream side in the refrigerant flow direction of the third heat exchange path (75) communicate with each other ( 86) and the lower header portion (81) on the upstream side in the refrigerant flow direction of the second heat exchange path (74) and the lower header portion on the downstream side in the refrigerant flow direction of the fourth heat exchange path (76) ( 85) is communicated through the communication port (87), and the upper header portion (82) upstream of the third heat exchange path (75) in the refrigerant flow direction and the refrigerant flow direction in the fourth heat exchange path (76) The upper header portion (84) on the upstream side is communicated via the communication port (88), and the lower header portion (83) on the downstream side in the refrigerant flow direction of the third heat exchange path (75) and the fourth heat exchange path. The lower header portion (85) on the downstream side in the refrigerant flow direction of (76) is communicated through the communication port (89). Therefore, the refrigerant flowing into the heat exchanger (71) at one end, here the lower end, passes through each heat exchanger (71) through the first heat exchange path (73), the third and fourth heat exchange paths (76), In addition, it flows in the order of the second heat exchange path (74) and flows out from the heat exchanger (71) at the upper end.

  Each heat exchanger (71) is constituted by a flat hollow body (59) similar to the heat exchanger (41) of the heat exchange device (40) of the fourth embodiment, and both left and right ends of each heat exchanger (71). The plate (13) on the outer side in the horizontal direction of the flat hollow body (59) is brazed to the plate-like member (2), whereby the heat exchanger (71) is fixed to the plate-like member (2). . The inlet (9) and outlet (11) of each heat exchanger (71) are also formed in the same manner as the heat exchanger (41) of the heat exchange device (40) of the fourth embodiment.

  At least one of the plate-like members (2), here, the first plate-like member (2) on the right side, has a penetrating first communication that allows the inlet (9) of each heat exchanger (71) to communicate with the outside. A penetrating second communication part (17) that allows the part (16) and the outlet (11) to communicate with the outside is formed, and heat exchange is performed on one of the two adjacent heat exchangers (71). A second communication portion (17) for communicating the outlet (11) of the heat exchanger (71) to the outside, and a first communication portion (16) for communicating the inlet (9) of the other heat exchanger (71) to the outside. ) Through the communication member (4). Specifically, the right communication member (4) is connected to the first communication part (16) that allows the inlet (9) of the heat exchanger (71) to communicate with the outside, and the outlet ( An outwardly bulging portion (18) is provided through which the second communicating portion (17) through which 11) communicates with the outside. In addition, the right communication member (4) has a refrigerant inlet (19) communicating with the first communication section (16) that communicates the inlet (9) of the heat exchanger (71) at the lower end to the outside, and a heat exchanger at the upper end. There is provided a refrigerant outlet (21) that communicates with the second communication portion (17) that allows the outflow port (11) of (71) to communicate with the outside.

  Other configurations are the same as those of the heat exchange device (1) of the first embodiment.

  The heat exchange device (70) is manufactured by temporarily fastening a combination of the constituent members and brazing all the constituent members together.

  An evaporator including a heat exchange device (70) is housed in a case arranged in a vehicle interior of a vehicle, for example, an automobile, forms a refrigeration cycle together with a compressor and a condenser, and is used for a car air conditioner.

In the heat exchange device (70) described above, the heat at the lower end passes through the refrigerant inlet (19) of the right communication member (4), the first communication portion (16) of the right plate member (2), and the inlet (9). The refrigerant flowing into the lower header section (78) located below the first heat exchange path (73) of the exchanger (71) passes through the heat exchange pipe (72) of the first heat exchange path (73). It flows upward and enters the upper header section (77), and then the upper header sections (82) and (84), the third and fourth heat exchange paths (75) of the third and fourth heat exchange paths (75) and (76). ) (76) heat exchange pipe (72), third and fourth heat exchange paths (75) (76) lower header sections (83) (85), second heat exchange path (74) lower header sections ( 81) and the heat exchanger pipe (72) of the second heat exchange path (74) and then into the upper header part (79) on the upper side of the second heat exchange path (74), the outlet (11), the right side plate A second communication part (17) of the right-shaped member (2), an outwardly bulging part (18) of the right-hand communication member (4), a first communication part (16) of the right-hand plate member (2), and an inflow port ( The second heat from the bottom after 9) It flows into the lower header portion (78) of the exchanger (71) first heat exchange path (73). By repeating such an operation, the refrigerant enters the upper header portion (79) of the second heat exchange path (74) of the heat exchanger (71) at the upper end, and flows into the outlet (11), the left plate member (2). It flows out to the outside through the second communication part (17) and the refrigerant outlet (21) of the left communication member (4).
Embodiment 6
This embodiment is shown in FIG. 11 and FIG.

  FIG. 11 specifically shows the overall configuration of the heat exchange apparatus of the sixth embodiment, and FIG. 12 schematically shows the overall configuration of the heat exchange apparatus of the sixth embodiment with a part thereof omitted.

  In the heat exchange device (90) shown in FIG. 11 and FIG. 12, the plate-like member (2) is arranged between both plate-like members (2) so as to follow the shape seen from the left and right sides of the plate-like member (2). A plurality of heat exchangers (91) arranged side by side in the longitudinal direction and fixed to both plate-like members (2) are arranged at intervals with the longitudinal direction oriented in the vertical direction (same direction) A plurality of heat exchange pipes (92), and the refrigerant flowing in the heat exchange pipe (92) and the wind flowing between the adjacent heat exchange pipes (92) exchange heat. The heat exchanger (91) is arranged in succession and includes four heat exchange paths (93) (94) (95) (96) composed of a plurality of heat exchange tubes (92) in which the refrigerant flows in the same direction, and one heat exchanger (91). The heat exchange paths (93), (94), (94), (94), (93), (94) 95) (96) ) And four pairs of header parts (97) (98) (99) through which the total heat exchange pipes (92) of the heat exchange paths (93) (94) (95) (96) are communicated (101) (102) (103) (104) (105) and two heat exchange paths (93) (94) and (95) (96) are arranged in the ventilation direction, and the left and right direction (both Two heat exchange paths (93) (95) and (94) (96) are arranged side by side in the direction in which the plate-like members (2) are connected.

  Flow direction of refrigerant in the heat exchange paths (93) (94) (95) (96) in the same position with respect to the ventilation direction and the left-right direction (direction connecting both plate-like members (2)) in the total heat exchanger (91) Are the same, and the first heat exchange path on the downstream side of the ventilation direction of the two heat exchange paths (93) and (94) on the first plate member (2), here the right plate member (2) side, is the same. The refrigerant flow direction of (93) is opposite to the refrigerant flow direction of the second heat exchange path (94) upstream of the ventilation direction, and the other second plate member (2), here the left plate member (2 ) Side two heat exchange paths (95) and (96), the fourth heat on the other side in the refrigerant flow direction of the third heat exchange path (95) located at the same position as the first heat exchange path (93) with respect to the ventilation direction. The refrigerant flow direction of the exchange path (96) is opposite, and further, the first heat exchange path (93) and the fourth heat exchange path (96), and the second heat exchange path (94) and the third heat exchange path ( 95) The refrigerant flow directions are the same. Here, the refrigerant flows downward from above in the first heat exchange path (93) and the fourth heat exchange path (96), and the refrigerant flows downward in the second heat exchange path (94) and the third heat exchange path (95). From above.

  The inlet to the right end (the first plate member (2) side end on the right side) of the upper header (97) on the upstream side in the refrigerant flow direction of the first heat exchange path (93) of each heat exchanger (91) (9) is formed, and an outlet (11) is formed at the right end of the upper header portion (99) on the downstream side in the refrigerant flow direction of the second heat exchange path (94), and the third heat exchange path (95 ) At the left end (second plate-like member (2) side end) of the upper header portion (102) on the downstream side in the refrigerant flow direction, and the fourth heat exchange path (96). An inflow port (9) is formed at the left end of the upper header portion (104) on the upstream side in the refrigerant flow direction. Further, in the other heat exchanger (91) excluding the heat exchanger (91) at the lower end, an outlet is provided at the right end portion of the lower header portion (98) on the downstream side in the refrigerant flow direction of the first heat exchange path (93). (11) is formed, and an inlet (9) is formed at the right end portion of the lower header portion (101) on the upstream side in the refrigerant flow direction of the second heat exchange path (94), so that the third heat exchange path (95 ) Is formed at the left end of the lower header portion (103) on the upstream side in the refrigerant flow direction, and the lower header portion (105) on the downstream side in the refrigerant flow direction of the fourth heat exchange path (96). An outflow port (11) is formed at the left end of the. Then, the header part is composed of the outlet (11) of one heat exchanger (91) of the two adjacent heat exchangers (91) and the inlet (9) of the other heat exchanger (91). Are located at the same end in the longitudinal direction. Further, the lower header portion (98) on the downstream side in the refrigerant flow direction of the first heat exchange path (93) of the heat exchanger (91) at the lower end and the lower header portion on the upstream side in the refrigerant flow direction of the third heat exchange path (95). Part (103) is communicated via the communication port (106), and the lower header part (105) on the downstream side in the refrigerant flow direction of the fourth heat exchange path (96) and the refrigerant of the second heat exchange path (94) The lower header portion (101) on the upstream side in the flow direction is communicated with the communication port (107). Accordingly, the refrigerant that has flowed into the heat exchanger (91) at one end, here the upper end, sequentially passes through the first heat exchange path (93) of the total heat exchanger (91) and then the other end (lower end) heat exchanger. (91), the first heat exchange path (93) enters the third heat exchange path (95), and sequentially passes through the third heat exchange path (95) of the total heat exchanger (91) to exchange heat at the one end. In the heat exchanger (91), the third heat exchange path (95) enters the fourth heat exchange path (96), and sequentially passes through the fourth heat exchange path (96) of the total heat exchanger (91) to the other end. The heat exchanger (91) enters the second heat exchange path (94) from the fourth heat exchange path (96) and sequentially passes through the second heat exchange path (94) of the total heat exchanger (91). It flows out of the heat exchanger (91).

  Although not shown, each heat exchanger (91) is configured by a flat hollow body (59) similar to the heat exchanger (41) of the heat exchange device (40) of Embodiment 4, The plate (13) on the left and right sides of the flat hollow body (59) at both the left and right ends of the vessel (91) is brazed to the plate member (2), whereby the heat exchanger (91) is It is fixed to 2). The inlet (9) and outlet (11) of each heat exchanger (91) are also formed in the same manner as the heat exchanger (41) of the heat exchange device (40) of the fourth embodiment.

  At least one of the plate-like members (2), here, the first plate-like member (2) on the right side and the second plate-like member (2) on the left side are respectively connected to the inlets (9 ) Are connected to the outside, and a penetrating first communicating portion (16) and a penetrating second communicating portion (17) are formed to communicate the outflow port (11) to the outside, and two adjacent heat exchangers are formed. (91), the second communication part (17) for connecting the outlet (11) of one of the heat exchangers (91) to the outside, and the inlet (9 of the other heat exchanger (91)) ) Is communicated to the outside through the communication member (4). More specifically, a first communication part (4) that allows the right communication member (4) to communicate the inlet (9) of the upper header part of the first heat exchange path (93) of the heat exchanger (91) to the outside ( 16) and an outward bulge that passes through the outlet (11) of the lower header portion of the first heat exchange path (93) of the heat exchanger (91) and the second communication portion (17) that communicates with the outside. Part (18), a first communication part (16) for connecting the inlet (9) of the lower header part of the second heat exchange path (94) to the outside, and a heat exchanger (91) An outward bulging portion (18) is provided through which the outlet (11) of the upper header portion of the second heat exchange path (94) communicates with the second communication portion (17). In addition, a first communication part (16) for allowing the right communication member (4) to communicate with the outside inlet (9) of the upper header part of the first heat exchange path (93) of the heat exchanger (91) at the upper end. The second inlet (19) that communicates the refrigerant inlet (19) leading to the outside and the outlet (11) of the upper header portion of the second heat exchange path (94) of the heat exchanger (91) at the upper end to the outside A refrigerant outlet (21) is provided. A first communication part (16) for allowing the left communication member (4) to communicate with the inlet (9) of the lower header part of the third heat exchange path (95) of the heat exchanger (91) to the outside; An outward bulging portion (18) is provided through which the outlet (11) of the header portion on the upper side of the third heat exchange path (95) of the exchanger (91) communicates with the second communication portion (17). And the first communication part (16) for connecting the inlet (9) of the upper header part of the fourth heat exchange path (96) to the outside and the fourth heat exchange path (96 of the heat exchanger (91)) ) Is provided with an outward bulging portion (18) through which the outlet (11) of the lower header portion communicates with the second communication portion (17).

  Other configurations are the same as those of the heat exchange device (40) of the fourth embodiment.

  The heat exchange device (90) is manufactured by temporarily fastening a combination of the constituent members and brazing all the constituent members at once.

  An evaporator including a heat exchange device (90) is housed in a case disposed in a vehicle, for example, a vehicle interior of a vehicle, constitutes a refrigeration cycle together with a compressor and a condenser, and is used for a car air conditioner.

  In the heat exchanger (90) described above, the heat at the upper end passes through the refrigerant inlet (19) of the right communication member (4), the first communication portion (16) of the right plate member (2), and the inlet (9). The refrigerant flowing into the upper header portion (97) located above the first heat exchange path (93) of the exchanger (91) moves downward in the heat exchange pipe (92) of the first heat exchange path (93). Into the lower header part (98), the outlet (11), the second communication part (17) of the right plate member (2), and the outward bulge part (18) of the right communication member (4). The upper header portion (93) of the first heat exchange path (93) of the second heat exchanger (91) from the top through the first communication portion (16) of the right plate member (2) and the inlet (9) ( 97) flows into. By repeating such an operation, the refrigerant enters the lower header portion (98) of the first heat exchange path (93) of the heat exchanger (91) at the lower end, and then the third heat of the heat exchanger (91) at the lower end. It enters into the lower header part (103) of the exchange path (95).

  The refrigerant that has entered the lower header portion (103) of the third heat exchange path (95) of the lower end heat exchanger (91) moves upward in the heat exchange pipe (92) of the third heat exchange path (95). Flows into the upper header (102), the outlet (11), the second communication part (17) of the left communication member (4), the outward bulge part (18) of the left communication member (4), the left In the lower header section (103) of the third heat exchange path (95) of the second heat exchanger (91) from the bottom through the first communication section (16) and the inlet (9) of the communication member (4) Flows in the heat exchange pipe (92) of the third heat exchange path (95) and flows into the upper header section (102). By repeating such an operation, the refrigerant enters the upper header portion (102) of the third heat exchange path (95) of the upper end heat exchanger (91), and then the fourth heat of the upper end heat exchanger (91). It enters into the upper header part (104) of the exchange path (96).

  The refrigerant that has entered the upper header portion (104) of the fourth heat exchange path (96) of the upper end heat exchanger (91) moves downward in the heat exchange pipe (92) of the fourth heat exchange path (96). Flowing into the lower header portion (105), the outlet port (11), the second communication portion (17) of the left plate member (2), the outward bulging portion (18) of the left communication member (4), The upper header portion (104) of the fourth heat exchange path (96) of the second heat exchanger (91) from the top through the first communication portion (16) of the left plate member (2) and the inlet (9). ), Flows downward in the heat exchange pipe (92) of the fourth heat exchange path (96), and flows into the lower header part (105). By repeating such an operation, the refrigerant enters the lower header portion (105) of the fourth heat exchange path (96) of the heat exchanger (91) at the lower end, and then the second heat of the heat exchanger (91) at the lower end. It enters into the lower header part (101) of the exchange path (94).

  The refrigerant that has entered the lower header portion (101) of the second heat exchange path (94) of the heat exchanger (91) at the lower end moves upward in the heat exchange pipe (92) of the second heat exchange path (94). It flows into the upper header part (99), the outlet (11), the second communication part (17) of the right communication member (4), the outward bulge part (18) of the right communication member (4), the right side In the lower header part (9) of the second heat exchange path (94) of the second heat exchanger (91) from the bottom through the first communication part (16) and the inlet (9) of the communication member (4) It flows in the heat exchange pipe (92) of the second heat exchange path (94) and flows into the upper header part (99). By repeating such an operation, the refrigerant enters the upper header part (99) of the second heat exchange path (94) of the heat exchanger (91) at the upper end, and flows into the outlet (11) and the right plate member (2). It flows out through the second communication part (17) and the refrigerant outlet (21) of the right communication member (4).

In the above Embodiments 4 to 6, the heat exchangers (41), (71), and (91) of the heat exchange devices (40), (70), and (90) are so-called stacked heat exchangers that are arranged in the left-right direction. It is formed by brazing a plurality of arranged flat hollow bodies, but is not limited to this, and as with the heat exchange device (30) of Embodiment 3, a heat exchange tube and a heat exchange tube It may consist of a tank formed separately.
Embodiment 7
This embodiment is shown in FIG. 13 and FIG.

  FIG. 13 specifically shows the overall configuration of the heat exchange device of the seventh embodiment, and FIG. 14 schematically shows the overall configuration of the heat exchange device of the seventh embodiment with a part omitted.

  In the heat exchanging device (110) shown in FIGS. 13 and 14, the plate-like member (2) is arranged between both plate-like members (2) so as to follow the shape seen from the left and right sides of the plate-like member (2). The plurality of heat exchangers (111) arranged side by side in the longitudinal direction and fixed to the two plate-like members (2) are left and right in a state where the longitudinal direction is directed in the vertical direction and the width direction is directed in the ventilation direction. A plurality of flat heat exchange tubes (32) arranged at intervals in the direction, a refrigerant flowing in the heat exchange tubes (32), and a wind flowing between the adjacent heat exchange tubes (32). Each heat exchanger (111) has two heat exchange paths (112) (113) composed of a plurality of heat exchange tubes (32) in which the refrigerant flows in the same direction, and one heat exchange. The arrangement direction of the heat exchange pipes (32) in the heat exchange paths (112) (113) on the upstream side and the downstream side in the refrigerant flow direction of the heat exchange pipes (32) constituting the paths (112) (113), respectively. Two pairs of header portions (114) (115) (116) (117) provided in the (left-right direction) and through which the total heat exchange pipes (32) of the heat exchange paths (112) (113) are communicated The two heat exchange paths (112) (113) are arranged in the ventilation direction.

  Of the two heat exchange paths (112) and (113) of the total heat exchanger (111), the refrigerant flow direction of the first heat exchange path (112) on the downstream side in the ventilation direction and the second heat exchange path on the upstream side of the ventilation direction ( 113) The refrigerant flow direction is opposite. Here, the refrigerant flows from below to above in the first heat exchange path (112), and the refrigerant flows from above to below in the second heat exchange path (113).

  Inside each heat exchanger (111) from the outside at one end in the longitudinal direction of the lower header portion (115) on the upstream side in the refrigerant flow direction of the first heat exchange path (112) of each heat exchanger (111) An inlet (9) for allowing the refrigerant to flow into the lower header portion (117) on the downstream side in the refrigerant flow direction of the second heat exchange path (113) and the side on which the inlet (9) is formed An outflow port (11) is formed at the opposite end, and the outflow port (11) of one of the adjacent two heat exchangers (111) and the other heat exchanger The inlet (9) of (111) is located at the same end in the longitudinal direction of the headers (115) and (117). Accordingly, each heat exchanger (111) has one inflow port (9) for allowing the refrigerant to flow into the heat exchanger (111) from the outside, and allows the refrigerant to flow out from the inside of each heat exchanger (111). And one outlet (11). Specifically, an inlet (9) is formed at the right end of the lower header portion (115) on the upstream side in the refrigerant flow direction of the first heat exchange path (112), and the second heat exchange path (113). A heat exchanger (111) having an outlet (11) formed at the left end portion of the lower header portion (117) on the downstream side in the refrigerant flow direction, and a lower portion on the upstream side in the refrigerant flow direction of the first heat exchange path (112). An inflow port (9) is formed at the left end portion of the header portion (115), and an outflow port (11) is formed at the right end portion of the lower header portion (117) on the downstream side in the refrigerant flow direction of the second heat exchange path (113). And the heat exchanger (111) in which the former is formed are alternately arranged so that the former heat exchanger (3) is located at the lower end.

  Further, the upper header portion (114) on the downstream side in the refrigerant flow direction of the first heat exchange path (112) of each heat exchanger (111) and the upper header portion on the upstream side in the refrigerant flow direction of the second heat exchange path (113). (116) communicates with the communication port (118).

  Each heat exchanger (111) has two header parts (114) (116) arranged in the tank (33) in the heat exchanger (31) of the heat exchange device (30) of Embodiment 3 so as to be aligned in the ventilation direction. ) And (115) (117) are provided, and the upstream ends of both heat exchange paths (112) and (113) communicate with both header portions (115) and (116), and the same flow direction. The downstream end is connected to the upper and lower tanks (33) by brazing so as to communicate with both header parts (114) and (117). The lower tank (33) is provided with a header portion (115) on the upstream side in the refrigerant flow direction of the heat exchange pipe (32) constituting the first heat exchange path (112) and a second heat exchange path (113). A header portion (117) on the downstream side in the refrigerant flow direction of the heat exchange pipe (32) is provided, and the refrigerant in the heat exchange pipe (32) constituting the first heat exchange path (112) is provided in the upper tank (33). A header portion (116) on the upstream side in the refrigerant flow direction of the heat exchange pipe (32) constituting the second heat exchange path (113) is provided with the header portion (114) on the downstream side in the flow direction.

  At least one of the plate-like members (2), here both plate-like members (2), has a penetrating first communicating portion (16) that allows the inlet (9) of each heat exchanger (111) to communicate with the outside. ) And an outflow port (11) are formed in a penetrating second communication portion (17), and one of the two adjacent heat exchangers (111) (111) is formed. ) The second communication part (17) for communicating with the outside (11) and the first communication part (16) for communicating the other inlet (9) of the heat exchanger (111) with the outside. The communication member (4) is communicated. Specifically, an inflow port (9) is formed in the left communication member (4) at the left end of the lower header portion (115) of the first heat exchange path (112), and the second heat exchange path ( 113) a first communicating portion (16) for communicating the inlet (9) of the heat exchanger (111) having an outlet (11) formed at the right end of the lower header portion (117) to the outside; An inflow port (9) is formed at the right end of the lower header portion (115) of the heat exchange path (112), and an outflow port (at the left end of the lower header portion (117) of the second heat exchange path (113) ( The right communication member is provided with an outward bulging portion (18) through which the outlet (11) of the heat exchanger (111) formed with 11) communicates with the second communication portion (17). (4), an inlet (9) is formed at the right end of the lower header portion (115) of the first heat exchange path (112), and the lower header portion (117) of the second heat exchange path (113). The first communication part (16) for connecting the inlet (9) of the heat exchanger (111) having the outlet (11) formed at the left end of the outside to the outside An inlet (9) is formed at the left end of the lower header portion (115) of the first heat exchange path (112), and at the right end of the lower header portion (117) of the second heat exchange path (113). An outward bulging portion (18) is provided through which the second communication portion (17) that allows the outflow port (11) of the heat exchanger (111) in which the outflow port (11) is formed to communicate with the outside. In addition, the right communication member (4) is provided with a refrigerant inlet (19) that leads to the first communication portion (16) that allows the inlet (9) of the heat exchanger (111) at the lower end to communicate with the outside. 4) is provided with a refrigerant outlet (21) that leads to a second communication part (17) that allows the outlet (11) of the heat exchanger (111) at the upper end to communicate with the outside.

  Other configurations are the same as those of the heat exchange device (30) of the third embodiment.

  The heat exchange device (110) is manufactured by temporarily fastening a combination of the constituent members and brazing all the constituent members together.

  An evaporator including a heat exchange device (110) is housed in a case disposed in a vehicle interior of a vehicle, for example, an automobile, constitutes a refrigeration cycle together with a compressor and a condenser, and is used for a car air conditioner.

  In the heat exchange device (110) described above, the heat at the lower end passes through the refrigerant inlet (19) of the right communication member (4), the first communication portion (16) of the right plate member (2), and the inlet (9). The refrigerant that has flowed into the lower header part (115) located below the first heat exchange path (112) of the exchanger (111) passes through the heat exchange pipe (32) of the first heat exchange path (112). It flows upward and enters the upper header part (114), and then the upper header part (116) of the second heat exchange path (113), the heat exchange pipe (32) of the second heat exchange path (113), the second heat Enters the lower header portion (117) of the exchange path (113), and flows out (11), the second communication portion (17) of the left plate member (2), and the outward bulge portion of the left communication member (4) (18), under the first heat exchange path (112) of the second heat exchanger (111) from the bottom through the first communication part (16) of the left plate member (2) and the inlet (9) It flows into the header part (115). The refrigerant that has flowed into the lower header portion (115) of the first heat exchange path (112) of the second heat exchanger (111) from the bottom passes through the heat exchange pipe (32) of the first heat exchange path (112). And then into the upper header part (114), then the upper header part (116) of the second heat exchange path (113), the heat exchange pipe (32) of the second heat exchange path (113), the second Enters the lower header part (117) of the heat exchange path (113), the outlet (11), the second communication part (17) of the right plate member (2), and the outward expansion of the right communication member (4) The first heat exchange path (112) of the third heat exchanger (111) from the bottom through the section (18), the first communication part (16) of the right plate member (2), and the inlet (9). It flows into the lower header part (115). By repeating such an operation, the refrigerant enters the lower header portion (117) of the second heat exchange path (113) of the heat exchanger (111) at the upper end, and flows into the outlet (11), the left plate member (2). It flows out to the outside through the second communication part (17) and the refrigerant outlet (21) of the left communication member (4).

  The heat exchanger used in the heat exchange device (110) of the seventh embodiment is a so-called stacked heat exchanger, as in the case of the heat exchange devices of the first, second and fourth to sixth embodiments, It may be formed by brazing a plurality of flat hollow bodies arranged side by side.

  In the fourth to seventh embodiments, as in the heat exchange device of the second embodiment, the plate-like member (2) is connected to the vertical first portion perpendicular to the ventilation direction and to both ends of the first portion and up and down. It consists of two 2nd parts which incline in the ventilation direction upstream toward the direction outer side. In addition, one heat exchanger (41) (71) (111) may be disposed between the first part of both plate-like members (2) and between the second parts.

  The heat exchange device according to the present invention is suitably used as an evaporator of a refrigeration cycle constituting a car air conditioner.

(1) (25) (30) (40) (70) (90) (110): Heat exchanger
(2) (26): Plate member
(3) (31) (41) (71) (91) (111): Heat exchanger
(4) (29): Communication member
(5) (32) (42) (72) (92): Heat exchange pipe
(6) (33) (43) (44) (45) (46) (73) (74) (75) (76) (93) (94) (95) (96) (112) (113): Heat Exchange pass
(7) (8) (47) (48) (49) (50) (51) (52) (53) (54) (77) (78) (79) (81) (82) (83) (84 ) (85) (97) (98) (99) (101) (102) (103) (104) (105) (114) (115) (116) (117): Header
(11): Inlet
(11): Outlet
(16): 1st communication part
(17): Second communication part
(18): Outward bulge
(27): 1st part
(28): Second part

Claims (10)

A pair of plate-like members arranged in parallel to the ventilation direction so as to face each other with a space therebetween, and arranged between the two plate-like members side by side along the shape seen from the side of the plate-like member. And a plurality of heat exchangers fixed to both plate-like members, each heat exchanger having a plurality of heat exchange tubes arranged at intervals in a state where the longitudinal direction is the same direction. The refrigerant flowing in the heat exchange pipe and the wind flowing between the adjacent heat exchange pipes exchange heat.
Each heat exchanger has at least one inflow port for allowing the refrigerant to flow into the heat exchanger from the outside, and at least one outflow port for allowing the refrigerant to flow out from the inside of each heat exchanger. One plate-like member is formed with a penetrating first communicating portion that communicates the inlet of each heat exchanger to the outside and a penetrating second communicating portion that communicates the outlet to the outside. A second communication part that allows the outlet of one of the heat exchangers to communicate with the outside, and a first communication part that allows the inlet of the other heat exchanger to communicate with the outside. A heat exchange device communicated through a communication member fixed to the outer surface of the plate-like member. The heat exchanger according to claim 1, wherein the plate-like member has a rectangular shape, and a plurality of heat exchangers are arranged between the two plate-like members in a longitudinal direction of the plate-like member. The plate-like member is composed of a first portion perpendicular to the ventilation direction, and two second portions that are connected to both ends of the first portion and are inclined to the upstream side of the ventilation direction. The heat exchange device according to claim 1, wherein one heat exchanger is disposed between each of the second portions. Each heat exchanger is arranged in succession and at least one heat exchange path composed of a plurality of heat exchange pipes in which the refrigerant flows in the same direction, upstream of the refrigerant flow direction of the heat exchange pipe constituting one heat exchange path, and On the downstream side, each is provided with a header portion in which the longitudinal direction is provided in the direction in which the heat exchange pipes in the heat exchange path are arranged, and through which all the heat exchange pipes of the path are communicated. The heat exchange device according to any one of claims 1 to 3, wherein the refrigerated refrigerant flows through all header portions of the total heat exchanger and heat exchange pipes of the total heat exchange path and flows out to the outside. The refrigerant that has flowed into the heat exchanger at one end flows toward the heat exchanger at the other end and flows out of the heat exchanger,
Each heat exchanger includes one heat exchange path and a pair of header portions provided on the upstream side and the downstream side in the refrigerant flow direction of the heat exchange path, and in the heat exchange path of the total heat exchanger The refrigerant flow direction is the same, both longitudinal end portions of each header portion are fixed to both plate-like members, and any one of the longitudinal directions in the header portion upstream of the refrigerant flow direction of the heat exchange path of each heat exchanger An inflow port is formed at the end, and an outflow port is formed at the end opposite to the inflow port in the header portion on the downstream side in the refrigerant flow direction, and one of the two adjacent heat exchangers The heat exchanger according to claim 4, wherein the outlet of the heat exchanger and the inlet of the other heat exchanger are formed at the same end in the longitudinal direction of the header portion. The refrigerant that has flowed into the heat exchanger at one end flows toward the heat exchanger at the other end and flows out of the heat exchanger,
Each heat exchanger includes four heat exchange paths and four pairs of header portions provided on the upstream side and the downstream side in the refrigerant flow direction of each heat exchange path, and 2 in the direction connecting the two plate-like members. The two heat exchange paths are arranged and two heat exchange paths are arranged in the ventilation direction, and the refrigerant flows in the heat exchange path at the same position in the direction connecting the two plate-like members and the ventilation direction in the total heat exchanger The direction of the refrigerant is the same, and the flow direction of the refrigerant in the second heat exchange path is the same as the flow direction of the refrigerant in one of the two heat exchange paths provided on the side of the first plate member. Of the two heat exchange paths provided on the other second plate-like member side in the opposite direction, the other of the same direction as the refrigerant flow direction of the third heat exchange path located at the same position as the first heat exchange path with respect to the ventilation direction The refrigerant flow direction in the fourth heat exchange path is reverse, and First heat exchange path and the fourth heat exchange path, and the second heat exchange path and the refrigerant flow direction of the third heat exchange paths are identical, respectively,
An inlet is formed at the first plate-like member side end of the first heat exchange path upstream of the first heat exchange path of each heat exchanger, and the second second heat exchange path downstream of the other heat exchange path. An outlet is formed at the first plate-like member side end of the side header portion,
In each heat exchanger, the refrigerant flow direction downstream header part of the first heat exchange path and the refrigerant flow direction upstream header part of the third heat exchange path communicate with each other, and the refrigerant flow direction of the second heat exchange path The upstream header portion is communicated with the downstream header portion in the refrigerant flow direction of the fourth heat exchange path, and further the downstream header portion in the refrigerant flow direction of the third heat exchange path and the refrigerant flow direction of the fourth heat exchange path. The upstream header section is connected,
The refrigerant that has flowed through the inlet into the header portion on the upstream side in the refrigerant flow direction of the first heat exchange path of each heat exchanger passes through the first heat exchange path, the third heat exchange path, the fourth heat exchange path, and the second heat exchange path. The heat exchange device according to claim 4, wherein the heat exchange device flows in order of the heat exchange path and flows out from the downstream header portion in the refrigerant flow direction of the second heat exchange path through the outlet. The refrigerant that has flowed into the heat exchanger at one end flows toward the heat exchanger at the other end and flows out of the heat exchanger,
Each heat exchanger includes four heat exchange paths and four pairs of header portions provided on the upstream side and the downstream side in the refrigerant flow direction of each heat exchange path, and 2 in the direction connecting the two plate-like members. The two heat exchange paths are arranged and two heat exchange paths are arranged in the ventilation direction, and the refrigerant flows in the heat exchange path at the same position in the direction connecting the two plate-like members and the ventilation direction in the total heat exchanger The direction of the refrigerant is the same, and the flow direction of the refrigerant in the second heat exchange path is the same as the flow direction of the refrigerant in one of the two heat exchange paths provided on the side of the first plate member. Of the two heat exchange paths provided on the second plate member side, the other direction is the same as the refrigerant flow direction of the third heat exchange path located at the same position as the first heat exchange path with respect to the ventilation direction. The direction of refrigerant flow in the fourth heat exchange path is the same, and The refrigerant flow direction of the first and second heat exchange path and the third and fourth heat exchange paths are reversed,
An inlet is formed at the first plate-like member side end of the first heat exchange path in the first heat exchange path of each heat exchanger, and a second header section in the second heat exchange path in the refrigerant flow direction An outlet is formed at the first plate-like member side end of
In each heat exchanger, the refrigerant flow direction downstream header part of the first heat exchange path and the refrigerant flow direction upstream header part of the third heat exchange path communicate with each other, and the refrigerant flow direction of the second heat exchange path The upstream header part is communicated with the downstream header part in the refrigerant flow direction of the fourth heat exchange path, and further the upstream header part in the refrigerant flow direction of the third heat exchange path and the refrigerant flow direction of the fourth heat exchange path The upstream header portion is communicated, the refrigerant flow direction downstream header portion of the third heat exchange path and the refrigerant flow direction downstream header portion of the fourth heat exchange path are communicated,
The refrigerant flowing through the inlet into the header portion on the upstream side in the refrigerant flow direction of the first heat exchange path of each heat exchanger passes through the first heat exchange path, the third and fourth heat exchange paths, and the second heat exchange path. The heat exchange device according to claim 4, wherein the heat exchange device flows out from the downstream header portion in the refrigerant flow direction of the second heat exchange path through the outlet. The refrigerant that has flowed into the heat exchanger at one end flows toward the heat exchanger at the other end, returns to the heat exchanger at one end, and flows out of the heat exchanger.
Each heat exchanger includes four heat exchange paths and four pairs of header portions provided on the upstream side and the downstream side in the refrigerant flow direction of each heat exchange path, and 2 in the direction connecting the two plate-like members. The two heat exchange paths are arranged and two heat exchange paths are arranged in the ventilation direction, and the refrigerant flows in the heat exchange path at the same position in the direction connecting the two plate-like members and the ventilation direction in the total heat exchanger. The direction of the refrigerant is the same, and the flow direction of the refrigerant in the second heat exchange path is the same as the flow direction of the refrigerant in one of the two heat exchange paths provided on the side of the first plate member. Of the two heat exchange paths provided on the other second plate-like member side in the opposite direction, the other of the same direction as the refrigerant flow direction of the third heat exchange path located at the same position as the first heat exchange path with respect to the ventilation direction The refrigerant flow direction in the fourth heat exchange path is reverse, and First heat exchange path and the fourth heat exchange path, and the second heat exchange path and the refrigerant flow direction of the third heat exchange paths are identical, respectively,
An inlet is formed at the first plate-like member side end of the first heat exchange path in the first heat exchange path of each heat exchanger, and a second header section in the second heat exchange path in the refrigerant flow direction An outlet is formed at the first plate-like member side end of the first plate-like member, and an outlet is formed at the second plate-like member-side end portion of the header portion in the refrigerant flow direction of the third heat exchange path of each heat exchanger. In addition, an inlet is formed at the second plate-like member side end of the header portion on the upstream side in the refrigerant flow direction of the fourth heat exchange path,
An outlet is formed at the first plate-like member side end of the header portion on the downstream side in the refrigerant flow direction of the first heat exchange path in each of the other heat exchangers excluding the heat exchanger at the other end, and A third heat exchange in each of the other heat exchangers except for the heat exchanger at the other end, where an inlet is formed at the first plate-like member side end of the header portion on the upstream side in the refrigerant flow direction of the two heat exchange paths An inlet is formed at the second plate-like member side end of the upstream header portion of the path in the refrigerant flow direction, and the second plate-like member side end of the fourth heat exchange path downstream header portion of the refrigerant flow direction. An outlet is formed in the part,
In the heat exchanger at the other end, the downstream header portion in the refrigerant flow direction of the first heat exchange path and the upstream header portion in the refrigerant flow direction of the third heat exchange path communicate with each other, and the refrigerant in the fourth heat exchange path The downstream header portion in the flow direction and the upstream header portion in the refrigerant flow direction of the second heat exchange path are respectively communicated;
The refrigerant flowing into the heat exchanger at one end through the inlet sequentially passes through the first heat exchange path of the total heat exchanger and enters the third heat exchange path in the heat exchanger at the other end. Through the third heat exchange path and enter the fourth heat exchange path in the heat exchanger at the one end, sequentially through the fourth heat exchange path of the total heat exchanger and in the heat exchanger at the other end. 5. The heat exchange device according to claim 4, wherein the heat exchange device enters the second heat exchange path and sequentially passes through the second heat exchange path of the total heat exchanger and then flows out from the heat exchanger at the one end through the outlet. A header portion on the downstream side in the refrigerant flow direction of the first heat exchange path of the other heat exchanger excluding the heat exchanger at the other end, and the heat exchanger adjacent to the other end side with respect to the heat exchanger. An upstream header portion in the refrigerant flow direction of one heat exchange path, and an upstream header portion in the refrigerant flow direction of the second heat exchange path of the other heat exchanger excluding the heat exchanger at the other end, The other heat exchanger except the heat exchanger at the one end is connected to the downstream header portion in the refrigerant flow direction of the second heat exchange path of the heat exchanger adjacent to the other end side with respect to the heat exchanger The downstream header portion in the refrigerant flow direction of the third heat exchange path communicates with the upstream header portion in the refrigerant flow direction of the third heat exchange path of the heat exchanger adjacent to the one end side with respect to the heat exchanger. And the upstream side in the refrigerant flow direction of the fourth heat exchange path of the other heat exchanger excluding the heat exchanger at the one end. Parts and heat exchange device of the one end side to the fourth claim 8, wherein the refrigerant flow direction downstream side header portion of the heat exchange path is vented heat exchanger adjacent with respect to the heat exchanger. The refrigerant that has flowed into the heat exchanger at one end flows toward the heat exchanger at the other end and flows out of the heat exchanger,
Each heat exchanger includes two heat exchange paths arranged in the ventilation direction and two pairs of header portions provided on the upstream side and the downstream side in the refrigerant flow direction of each heat exchange path. The refrigerant flow direction of the other second heat exchange path is opposite to the refrigerant flow direction of one first heat exchange path of the two heat exchange paths in FIG.
An inlet is formed at either end in the longitudinal direction of the header portion on the upstream side in the refrigerant flow direction of the first heat exchange path of each heat exchanger, and the header on the downstream side in the refrigerant flow direction of the second heat exchange path An outflow port is formed at an end of the unit opposite to the inflow port, and an outflow port of one of the two adjacent heat exchangers and an inflow port of the other heat exchanger are Formed at the same end in the longitudinal direction of the header portion, and in each heat exchanger, the downstream header portion in the refrigerant flow direction of the first heat exchange path communicates with the upstream header portion in the refrigerant flow direction of the second heat exchange path. Have been
The refrigerant that has flowed into the header portion on the upstream side in the refrigerant flow direction of the first heat exchange path of each heat exchanger through the inflow port flows in the order of the first heat exchange path and the second heat exchange path. The heat exchange device according to claim 4, wherein the heat exchange device is adapted to flow out from the downstream header portion in the refrigerant flow direction through the outflow port.

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