KR20240067455A - Heat exchanger - Google Patents

Abstract

The present invention relates to a heat exchanger applied to a vehicle. The present invention relates to a heat exchanger applied to a vehicle. By providing a manifold with a flow path through which a fluid flows and an entrance through which the fluid enters and exits, the number of parts and assembly man-hours are reduced, and the location of the fluid entrance and exit is freely selected, It relates to a heat exchanger that can improve assembly into a refrigerant module.

Description

Heat exchanger{HEAT EXCHANGER}

The present invention relates to a heat exchanger applied to a vehicle. The present invention relates to a heat exchanger applied to a vehicle. By providing a manifold with a flow path through which a fluid flows and an entrance through which the fluid enters and exits, the number of parts and assembly man-hours are reduced, and the location of the fluid entrance and exit is freely selected, It relates to a heat exchanger that can improve assembly into a refrigerant module.

In general, a vehicle air conditioning system is a device for cooling or heating the vehicle interior by introducing air from outside the vehicle into the vehicle interior or heating or cooling the air in the vehicle interior during circulation. The interior of the air conditioning case is equipped with a cooling device for cooling. An evaporator, a heater core for heating action, and air cooled or heated by the evaporator or heater core are selectively blown to each part of the vehicle interior using a door for switching the blowing mode.

A plate-type heat exchanger has been published in the previously filed Korean Patent No. 10-1151758. Figure 1 is a perspective view showing a conventional water-cooled heat exchanger, and Figure 2 is a diagram schematically showing the configuration of a conventional water-cooled heat exchanger.

Referring to Figures 1 and 2, a conventional water-cooled heat exchanger (9) is made by stacking a plurality of plates (1), and has a refrigerant inlet (2) through which the refrigerant flows on one side and a refrigerant outlet (2) through which the refrigerant is discharged. In addition to the formation of 3), a coolant inlet 4 through which coolant flows in and a coolant outlet 5 through which coolant discharges are formed. A plurality of plates 1 are stacked to form a refrigerant flow path and a coolant flow path therein.

The refrigerant flowing into the refrigerant inlet 2 flows through the refrigerant passage formed by the plate 1 and is discharged to the refrigerant outlet 3, thereby forming a refrigerant flow path 7 as shown in FIG. 2. In addition, the coolant flowing into the coolant inlet 4 flows through the coolant flow path formed by the plate 1 and is discharged to the coolant outlet 5, thereby forming the coolant flow path 8 as shown in FIG. 2. The refrigerant in the refrigerant flow path (7) and the coolant in the coolant flow path (8) exchange heat with each other.

Meanwhile, conventionally, the inlet/outlet of the refrigerant/coolant of the plate heat exchanger is configured separately and each is assembled separately from the other parts (for example, AC pipes, coolant hoses, etc.). Figure 3 is a diagram showing the assembly structure of a conventional plate heat exchanger. As shown, the AC pipe (P1), the coolant hose (P2), etc. are assembled to the plate heat exchanger (9).

In this regard, recently, as refrigerant/coolant modularization has progressed, an integrated structure has been proposed in which multiple AC pipes are composed of one manifold and assembled with a plate heat exchanger. The integrated cooling module has a structure in which each heat exchange component, including a heat exchanger, such as a chiller and an accumulator, is mounted and assembled on a refrigerant manifold at the center to form one integrated cooling module.

At this time, conventionally, there is no great difficulty in assembling each AC pipe into a plate heat exchanger, but in recent cases where a manifold structure is applied, there is difficulty in assembling the heat exchanger into a manifold due to component processing tolerances, core manufacturing tolerances, etc. am.

Korean Patent No. 10-1151758 (registered on May 24, 2012)

The present invention was devised to solve the above problems. By providing a manifold with a flow path through which fluid flows and an entrance through which the fluid enters and exits, the number of parts and assembly man-hours are reduced, and the position of the fluid entrance is freely selected. The purpose is to provide a heat exchanger that is possible and can improve assembling into a refrigerant module.

A heat exchanger according to an example of the present invention includes a core configured to heat exchange two or more fluids by stacking a plurality of plates; and a manifold having an inlet through which each of the two or more fluids flows, an outlet through which each of the two or more fluids flows, and a flow path through which each of the two or more fluids flows, wherein at least one side of the manifold is formed with the core. You can make face-to-face contact with the plate.

The two or more fluids include a first cooling fluid and a second cooling fluid, and the manifold includes a first cooling fluid inlet through which the first cooling fluid flows, a first cooling fluid outlet through which the first cooling fluid is discharged, A second cooling fluid inlet through which the second cooling fluid flows in, and a second cooling fluid outlet through which the second cooling fluid discharges may be formed.

The core is divided into a first core and a second core, and the manifold is interposed between the first core and the second core, so that the first core, the manifold, and the second core are stacked in order. It can be done.

Inside the manifold, there is a first cooling fluid channel through which the first cooling fluid flows, a second cooling fluid channel through which the second cooling fluid flows, and a first cooling fluid storage space where the first cooling fluid is stored. This can be formed.

The first cooling fluid channel includes a first cooling fluid channel connecting the first cooling fluid inlet and the first core, and a second cooling fluid channel connecting the first cooling fluid outlet and the second core. 1 cooling fluid channel, a third, first cooling fluid channel connecting the first cooling fluid storage space and the first core, and a fourth, connecting the first cooling fluid storage space and the second core. 1 May include a cooling fluid channel.

The first cooling fluid storage space may have a volume larger than the volume of the first to fourth and first cooling fluid channels, so that the first cooling fluid can be temporarily stored.

A structure in which the first cooling fluid storage space extends in the direction of gravity so that the liquid first cooling fluid can be separated by gravity from the first cooling fluid in an abnormal state inside the first cooling fluid storage space. It can be formed as

A height difference is formed between one area in the lower part of the first cooling fluid storage space and another area so that one area is higher than the other area, and in one area in the lower part of the first cooling fluid storage space, the third, A first cooling fluid channel may be formed, and the fourth and first cooling fluid channels may be formed in another area below the first cooling fluid storage space.

The first and first cooling fluid channels and the second and first cooling fluid channels are located in the upper part of the first cooling fluid storage space, and the third and first cooling fluid channels and the fourth and first cooling fluid channels are located above the first cooling fluid storage space. may be located below the first cooling fluid storage space.

The second cooling fluid channel may include first and second cooling fluid channels connected to the second cooling fluid inlet, and second and second cooling fluid channels connected to the second cooling fluid outlet.

The first and second cooling fluid channels are connected to the first core and the second core and are configured to diverge the second cooling fluid flowing in from the second cooling fluid inlet to the first core and the second core. , the second and second cooling fluid channels are connected to the first core and the second core, and are configured to flow the second cooling fluid flowing from the first core and the second core to the second cooling fluid outlet. It can be.

The first cooling fluid inlet and the first cooling fluid outlet may be disposed close to each other.

The manifold may be disposed at an end of the core and laminated and coupled to the top plate of the core.

The manifold includes a manifold body in which the first cooling fluid inlet, the first cooling fluid outlet, the second cooling fluid inlet, and the second cooling fluid outlet are formed, and a flat end plate, and the manifold body The end plate may be laminated and bonded to one side of the structure.

Inside the manifold body, a cooling fluid channel through which the first cooling fluid flows and a second cooling fluid channel through which the second cooling fluid flows are formed, and the first cooling fluid channel and the second cooling fluid are formed. The channel is formed to penetrate the manifold body, and the penetrating side of the second cooling fluid channel and the penetrating side of the second cooling fluid channel may be closed by the end plate.

The first cooling fluid channel includes a first cooling fluid channel connecting a first cooling fluid inlet of the manifold body and a first cooling fluid inlet of the core, and a first cooling fluid outlet of the manifold body. It may include second and first cooling fluid channels connecting the first cooling fluid outlet of the core.

The first cooling fluid inlet and the first cooling fluid outlet of the manifold body are disposed close to each other, and at least one of the first and first cooling fluid channels and the second and first cooling fluid channels is connected to the first cooling fluid channel of the manifold body. 1 It has a shape that extends long from the first cooling fluid inlet of the core to the first cooling fluid inlet of the manifold body so that the cooling fluid inlet and the first cooling fluid outlet can be arranged close to each other, or the first cooling fluid inlet of the core It may be configured to extend long from the fluid outlet to the first cooling fluid outlet of the manifold body.

The second cooling fluid channel includes first and second cooling fluid channels connecting a second cooling fluid inlet of the manifold body and a second cooling fluid inlet of the core, and a second cooling fluid outlet of the manifold body. It may include a second cooling fluid channel connecting the second cooling fluid outlet of the core.

The second cooling fluid inlet and the second cooling fluid outlet of the manifold body are disposed close to each other, and at least one of the first and second cooling fluid channels and the second and second cooling fluid channels is connected to the second cooling fluid channel of the manifold body. 2 It has a shape extending long from the second cooling fluid inlet of the core to the second cooling fluid inlet of the manifold body so that the cooling fluid inlet and the second cooling fluid outlet can be arranged close to each other, or the second cooling fluid inlet of the core. It may be configured to extend long from the fluid outlet to the second cooling fluid outlet of the manifold body.

The first cooling fluid inlet, the first cooling fluid outlet, the second cooling fluid inlet, and the second cooling fluid outlet may each be formed to face a direction perpendicular to the direction in which the plates of the core are stacked.

According to the present invention, by providing a manifold with a flow path through which the fluid flows and an entrance through which the fluid enters and exits, the number of parts and assembly man-hours are reduced, the fluid entrance and exit can be freely selected, and assembly into a refrigerant module is improved. It can be improved.

Figure 1 is a perspective view showing a conventional water-cooled heat exchanger.
Figure 2 is a diagram schematically showing the configuration of a conventional water-cooled heat exchanger.
Figure 3 is a diagram showing the assembly structure of a conventional plate heat exchanger.
Figure 4 is a perspective view of a heat exchanger according to an example of the present invention.
Figure 5 is a view viewed from the opposite direction of Figure 4.
Figure 6 is a perspective view showing the manifold in Figure 4 separated.
Figure 7 is a view viewed from the opposite direction of Figure 6.
Figure 8 is a view showing one side of the manifold.
Figure 9 is a view showing the other side of the manifold.
Figure 10 is a diagram showing the coupling structure of the manifold.
FIG. 11 is a diagram for explaining the fluid flow inside the heat exchanger of FIG. 4.
Figure 12 is a perspective view of a heat exchanger according to another example of the present invention.
FIG. 13 is a view viewed from the opposite direction of FIG. 12.
Figure 14 is a perspective view showing the manifold in Figure 12 separated.
Figure 15 is an exploded perspective view of Figure 14.
FIG. 16 is a diagram for explaining the fluid flow inside the heat exchanger of FIG. 12.

Hereinafter, the present invention will be described with reference to the attached drawings.

First, the heat exchanger of the present invention corresponds to a plate-type heat exchanger. A plate heat exchanger consists of a plurality of plates stacked together to exchange heat between two or more fluids (for example, refrigerant and cooling water), and is also commonly referred to as a water-cooled heat exchanger. The heat exchanger of the present invention may be a condenser, and may be composed of one core, as described later, or may be composed of a first core and a second core, where the first core takes charge of the function of the condenser, and the second core functions as a condenser. The core may function as a subcooling section. The general structure and operating principles of plate heat exchangers and condensers are the same as previously discussed.

FIG. 4 is a perspective view of a heat exchanger according to an example of the present invention, and FIG. 5 is a view viewed from the opposite direction of FIG. 4. The heat exchanger 10 of the present invention largely includes a core 100 and a manifold 200. Includes.

The core 100 is composed of a plurality of plates stacked so that two or more fluids exchange heat. More specifically, the core 100 is formed by sequentially stacking a plurality of plates, and is configured to alternately flow refrigerant and coolant between the stacked plates, so that heat exchange occurs between the refrigerant and coolant. That is, in the present invention, the two or more fluids include a first cooling fluid and a second cooling fluid, the first cooling fluid may be a refrigerant, and the second cooling fluid may be a coolant. Hereinafter, for convenience of explanation, the description will be limited to the case where the first cooling fluid is a refrigerant and the second cooling fluid is a coolant.

The core 100 is formed with a refrigerant inlet through which the refrigerant flows, a refrigerant passage through which the refrigerant flowing from the refrigerant inlet flows, and a refrigerant outlet through which the refrigerant heat-exchanged while flowing through the refrigerant channel is discharged, along with the coolant into which the coolant flows. An inlet, a coolant flow path through which the coolant flowing in from the coolant inlet flows, and a coolant outlet through which the coolant that has exchanged heat while flowing through the coolant flow path are discharged are formed.

Meanwhile, conventionally, the refrigerant/coolant inlet/outlet of this core is separately configured in the form of a flange or pipe, but as seen above, this has problems such as an increase in the number of packages and parts, and at the same time, these independent inlets/outlets are used for the refrigerant module. There is a problem in satisfying the assembly tolerance level when connecting to the refrigerant manifold. Accordingly, the present invention solves this problem by adopting a manifold configuration.

FIG. 6 is a perspective view showing the manifold separated from FIG. 4, FIG. 7 is a view viewed from the opposite direction of FIG. 6, FIG. 8 is a view showing one side of the manifold, and FIG. 9 is a view showing the other side of the manifold. As shown in the drawing, the manifold 200 of the present invention is entirely composed of a plate shape and has a structure that is laminated and coupled to the core 100. The manifold 200 may be joined to the core 100 and formed integrally with the core 100.

The manifold 200 includes a manifold body 210 formed in an approximately square frame structure, a refrigerant inlet (RI), a refrigerant outlet (RO), and a coolant inlet (CI) formed in the manifold body 210, and a coolant outlet (CO). The refrigerant inlet (RI) is an inlet through which refrigerant flows into the manifold 200, the refrigerant outlet (RO) is an outlet through which refrigerant is discharged from the manifold 200 to the outside, and the coolant inlet (CI) is an inlet through which refrigerant flows into the manifold 200. ) is the inlet through which coolant flows, and the coolant outlet (CO) corresponds to the outlet through which refrigerant is discharged from the manifold 200 to the outside. As will be described later, inside the manifold 200, a refrigerant channel (RC) through which the refrigerant flows and a coolant channel (CC) through which the coolant flows are formed, and the refrigerant channel (RC) has a refrigerant inlet (RI) and a refrigerant outlet (RO). ), and the coolant channel (CC) is connected to the coolant inlet (CI) and the coolant outlet (CO).

In this way, the present invention adopts a manifold configuration in which a refrigerant/coolant channel through which fluid flows and a refrigerant/coolant inlet/outlet through which fluid enters and exits are formed, thereby improving packaging efficiency by eliminating the conventionally separately configured flange or pipe configuration. , reduces the number of parts and assembly man-hours, and can have a high level of dimensional tolerance.

Below, we will look at the heat exchanger according to the first embodiment of the present invention. 4 to 11 are diagrams showing a heat exchanger according to a first embodiment of the present invention.

Referring again to FIGS. 4 and 5, the core 100 of this example is divided into a first core 101 and a second core 102, and the manifold 200 is divided into a first core 101 and a second core ( 102). That is, the heat exchanger 10 of this example has a structure in which the first core 101, the manifold 200, and the second core 102 are stacked in that order.

Figure 10 is a diagram showing the coupling structure of the manifold, in which the plate 101_P at the end of the stacking direction of the first core 101 is stacked and coupled to one side of the manifold 200, and the plate 101_P is stacked and coupled to the other side of the manifold 200. The plates 102_P at the ends of the two cores 102 in the stacking direction are stacked and joined. At this time, as will be described later, the refrigerant channel (RC), the coolant channel (CC), and the refrigerant storage space (RR) are formed in a structure in which at least one side is open, and one or both sides of the open side is the first core 101. and the plate of the second core 102, so that a complete flow path and space can be formed between them.

Here, the first core 101 may correspond to the condensation section, and the second core 102 may correspond to the supercooling section. The condensation part corresponds to the area in the core where the gaseous refrigerant flows into the core and exchanges heat with the coolant, cooling and converting into liquid refrigerant. The supercooling part is the area in the core where the liquid refrigerant that passed through the condensation part is supercooled as it exchanges heat with the coolant. It applies.

Referring again to FIGS. 6 and 7, the inside of the manifold 200 of this example includes a refrigerant channel (RC) through which the refrigerant flows, a coolant channel (CC) through which the coolant flows, and a refrigerant storage space (RR) where the refrigerant is stored. ) is formed.

The refrigerant channel (RC) is a first refrigerant channel (RC-1) connecting the refrigerant inlet (RI) and the first core 101, and a second refrigerant channel connecting the refrigerant outlet (RO) and the second core 102. A third refrigerant channel (RC) connecting the refrigerant channel (RC-2), the refrigerant storage space (RR) and the first core 101, and a third refrigerant channel (RC) connecting the refrigerant storage space (RR) and the second core 102. It includes a fourth refrigerant channel (RC-4).

The refrigerant storage space (RR) is formed in a structure extending vertically. More specifically, a large hollow refrigerant storage space (RR) is formed in the central part of the manifold 200, so that refrigerant can be stored in the space. That is, the refrigerant storage space (RR) has a volume larger than the volume of each of the first to fourth refrigerant channels (RC-1, RC-2, RC-3, and RC-4) so that the refrigerant can be temporarily stored. You can have it. At this time, so that the liquid refrigerant can be separated by gravity from the refrigerant in an abnormal state inside the refrigerant storage space (RR), that is, the refrigerant in a gaseous or liquid state among the refrigerant condensed past the condensation portion, which is the second core 102, The refrigerant storage space (RR) may be formed in a structure extending in the direction of gravity. This performs the function of a receiver tank that is provided separately in a conventional heat exchanger. According to the present invention, as the function is integrated into the manifold, the conventional receiver tank can be deleted, thereby reducing the number of parts, size, and assembly man-hours. There will be.

More specifically, referring to FIGS. 6 and 7, a height difference is formed between one region of the lower part of the refrigerant storage space (RR) and another region, so that one region is formed to be higher than the other region, and a third region is formed in that region. A refrigerant channel (RC) may be formed, and a fourth refrigerant channel (RC) may be formed in the other area. And, the first refrigerant channel (RC-1) and the second refrigerant channel (RC-2) are located in the upper part of the refrigerant storage space (RR), and the third refrigerant channel (RC-3) and the fourth refrigerant channel (RC- 4) may be located at the bottom of the refrigerant storage space (RR).

And, based on this structure, the refrigerant inlet (RI) and the refrigerant outlet (RO) are disposed close to each other. Referring again to FIG. 8 , as shown, the refrigerant inlet (RI) and the refrigerant outlet (RO) are both located at the top of the side of the manifold 200 and may be arranged close to each other.

As such, according to the present invention, the positions and directions of the refrigerant inlet (RI) and refrigerant outlet (RO) can be freely designed using the manifold 200 without being restricted by the refrigerant inlet and refrigerant outlet of the core, thereby providing an advantageous direction and position. It is easy to select, and as a preferred example, the refrigerant inlet (RI) and refrigerant outlet (RO) are placed close to the manifold 200, so when forming a refrigerant module by combining it with the refrigerant manifold in the future, the refrigerant module manufactured through the processing process There is an advantage in tolerance management in combination with the block flange of the refrigerant manifold.

The coolant channel (CC) includes a first coolant channel (CC-1) connected to the coolant inlet (CI) and a second coolant channel (CC-2) connected to the coolant outlet (CO). The channel (CC-1) is connected to the first core 101 and the second core 102 to divert the coolant flowing in from the coolant inlet (CI) to the first core 101 and the second core 102. It is configured, and the second coolant channel (CC-2) is connected to the first core 101 and the second core 102 to direct the coolant flowing from the first core 101 and the second core 102 to the coolant outlet ( It is configured to flow with CO).

FIG. 11 is a diagram for explaining the fluid flow inside the heat exchanger of FIG. 4, and the refrigerant channel (RC), coolant channel (CC), and refrigerant storage space (RR) of the heat exchanger 10 of this example are as described above. Depending on the structure, the refrigerant circuit and coolant circuit within the heat exchanger 10 can be configured as follows.

In the case of the refrigerant, the refrigerant flows in from the outside through the refrigerant inlet (RI), and the refrigerant flowing into the refrigerant inlet (RI) flows into the condensation portion, which is the second core 102, through the first refrigerant channel (RC-1). , the condensed portion flows through the refrigerant passage of the second core 102, and the condensed refrigerant flows into the refrigerant storage space (RR) through the third refrigerant channel (RC-3), and flows into the refrigerant storage space (RR). The refrigerant is moved to the lower part of the refrigerant storage space (RR) by gravity, but the gas and liquid are separated by the height difference structure formed in the lower part of the refrigerant storage space (RR), so that only the liquid refrigerant is separated, and the separated liquid refrigerant is 4 The refrigerant flows into the subcooled part of the first core 101 through the refrigerant channel (RC-4), flows into the subcooled part through the refrigerant passage of the first core 101, and the supercooled refrigerant flows into the second refrigerant channel (RC-2). flows to the refrigerant outlet (RO), and the refrigerant flowing through the refrigerant outlet (RO) is discharged to the outside through the refrigerant outlet (RO).

In the case of coolant, coolant flows in from the outside through the coolant inlet (CI), and the coolant flowing into the coolant inlet (CI) flows into the first core 101 and the second core 102 through the first coolant channel (CC). and the coolant branched and introduced into the first core 101 and the second core 102 flows through the coolant flow path of the first core 101 and the coolant flow path of the second core 102, respectively, and then flows through the coolant flow path of the first core 101 and the second core 102, respectively. It flows through the coolant channel (CC) to the coolant outlet (CO), and the refrigerant flowing through the coolant outlet (CO) is discharged to the outside through the coolant outlet (CO).

In this way, the heat exchanger 10 of this example adopts a manifold 200 configuration that provides a refrigerant and coolant circulation path, so that the refrigerant/coolant inlet and outlet, such as flanges and pipes, and separate hoses and pipes, are required for conventional heat exchangers. Packaging can be improved by eliminating connection parts and receiver tanks, and the location and direction of the refrigerant/coolant inlet/outlet can be freely selected, improving connectivity with the refrigerant manifold of the refrigerant module and maintaining a high level of assembly tolerance. can be satisfied.

Below, we will look at the heat exchanger according to the second embodiment of the present invention. FIG. 12 is a perspective view of a heat exchanger according to another example of the present invention, and FIG. 13 is a view viewed from the opposite direction of FIG. 12. In this example, the manifold 200 is installed at the end of the plates of the core 100 in the stacking direction. It is arranged and configured to be stacked and coupled to the top plate 100_T of the core 100.

That is, in the previous example, when the condensing part and the subcooling part are formed separately in the core 100, the manifold 200 is interposed between them. However, in this example, the subcooling part may not be formed in the core 100, Accordingly, the manifold 200 may be coupled to the end of the core 100. The top plate 100_T of the core 100 may be a plate located at the top of a plurality of plates constituting the core 100, or may correspond to a separate plate different from the plates constituting the core 100. And the manifold 200 can be connected to the top plate 100_T of the core 100. Meanwhile, the core 100 in this example functions as a condensing unit, and the subcooling unit can be handled by a heat exchanger separately provided outside.

FIG. 14 is a perspective view showing the manifold in FIG. 12 separated, and FIG. 15 is an exploded perspective view of FIG. 14. The manifold 200 of this example includes a manifold body 210 and an end plate 220.

A refrigerant inlet (RI), a refrigerant outlet (RO), a coolant inlet (CI), and a coolant outlet (CO) are formed in the manifold body 210, and the end plate 220 is a flat plate with one side and the other side, and is formed on the manifold body 210. It is laminated and coupled to one side of the fold (200). The manifold body 210 and the end plate 220 may be joined together to form an integrated body.

Inside the manifold body 210, a refrigerant channel (RC) through which refrigerant flows and a coolant channel (CC) through which coolant flows are formed. At this time, the refrigerant channel (RC) and the coolant channel (CC) are each formed in a structure that vertically penetrates the manifold body 210, and one pierced side of the refrigerant channel (RC) and one pierced side of the coolant channel (CC) are It is closed by the end plate 220, and the other penetrated side of the refrigerant channel (RC) and the other penetrated side of the coolant channel (CC) are closed by the top plate of the core 100, so that a complete flow path can be formed.

In this example, the refrigerant inlet (RI) and the refrigerant outlet (RO) of the manifold body 210 may be disposed close to each other. Referring again to FIGS. 12 and 13, as shown, the refrigerant inlet (RI) and refrigerant outlet (RO) of the manifold body 210 are both located at the upper part of the side of the manifold 200 and are arranged close to each other. You can. The advantages of having the refrigerant inlet (RI) and refrigerant outlet (RO) placed close to each other are as discussed above.

Referring again to FIGS. 14 and 15, in at least one of the first refrigerant channel (RC) and the second refrigerant channel (RC), the refrigerant inlet (RI) and refrigerant outlet (RO) of the manifold body 210 are disposed close to each other. It is configured to extend long from the refrigerant inlet of the core 100 to the refrigerant inlet (RI) of the manifold body 210, or from the refrigerant outlet of the core 100 to the refrigerant outlet of the manifold body 210. It may be configured as a long extension to (RO). The drawing shows a case where the second refrigerant channel RC is formed to extend long.

As in the case of refrigerant, coolant may also have the same structure. That is, referring again to FIGS. 14 and 15, the coolant channel (CC) includes a first coolant channel (CC) connecting the coolant inlet (CI) of the manifold body 210 and the coolant inlet of the core 100, It includes a second coolant channel (CC) connecting the coolant outlet (CO) of the manifold body 210 and the coolant outlet of the core 100, and the coolant inlet (CI) and the coolant outlet ( CO) is disposed in close proximity, and at least one of the first coolant channel (CC) and the second coolant channel (CC) is disposed close to the coolant inlet (CI) and coolant outlet (CO) of the manifold body 210. It is configured to extend long from the coolant inlet of the core 100 to the coolant inlet (CI) of the manifold body 210, or from the coolant outlet of the core 100 to the coolant outlet of the manifold body 210 ( CO) may be configured to extend long. The drawing shows a case where the second coolant channel (CC) is formed to extend long.

FIG. 16 is a diagram for explaining the fluid flow inside the heat exchanger of FIG. 12. As the refrigerant channel (RC) and coolant channel (CC) of the heat exchanger 10 of this example have the above-described structure, heat exchange The refrigerant circuit and the coolant circuit within the machine 10 may be configured as follows.

In the case of the refrigerant, the refrigerant flows in from the outside through the refrigerant inlet (RI), and the refrigerant flowing into the refrigerant inlet (RI) enters the core 100 through the first refrigerant channel (RC-1) of the manifold 200. The refrigerant flowing into the refrigerant inlet and flowing into the refrigerant inlet of the core 100 flows into the interior of the core 100 through the refrigerant inlet of the core 100, purifies the refrigerant flow path of the core 100, and then flows into the refrigerant inlet of the core 100. ) is discharged through the refrigerant outlet and flows into the second refrigerant channel (RC-2) of the manifold 200, and the refrigerant flowing into the second refrigerant channel (RC-2) is discharged through the second refrigerant channel (RC-2). flows to the refrigerant outlet (RO), and the refrigerant flowing through the refrigerant outlet (RO) is discharged to the outside through the refrigerant outlet (RO).

In the case of coolant, coolant flows in from the outside through the coolant inlet (CI), and the coolant flowing into the coolant inlet (RI) flows into the core 100 through the first coolant channel (CC-1) of the manifold 200. The coolant flows into the coolant inlet and flows into the coolant inlet of the core 100, flows into the interior of the core 100 through the coolant inlet of the core 100, purifies the coolant flow path of the core 100, and then flows into the coolant inlet of the core 100. ) is discharged through the coolant outlet and flows into the second coolant channel (CC-2) of the manifold 200, and the coolant flowing into the second coolant channel (RC-2) flows into the second coolant channel (CC-2) flows to the coolant outlet (CO), and the refrigerant flowing through the coolant outlet (CO) is discharged to the outside through the coolant outlet (CO).

The heat exchanger 10 of this example is an embodiment applicable when no supercooling portion is formed in the core 100, and is an optimized manifold when the manifold 200 is provided on the top plate 100_T of the core 100. As seen above, it provides a fold 200 structure, which can provide advantages such as improved packaging and connectivity.

In addition, in common in the first and second embodiments, the refrigerant inlet (RI), refrigerant outlet (RO), coolant inlet (CI), and coolant outlet (CO) formed in the manifold body 210 are each core ( 100) It may be made of a flange structure that protrudes outward by a predetermined amount, and this protruding structure can provide advantages such as improved connectivity when constructing a refrigerant module. In addition, the coolant inlet (RI), coolant outlet (RO), coolant inlet (RI), and coolant outlet (RO) may each be formed to face a direction perpendicular to the direction in which the plates of the core 100 are stacked, This has the advantage of being able to freely select the direction of the inlet/outlet, compared to the conventional heat exchanger where the refrigerant/coolant inlet/outlet is formed in the stacking direction on the top plate of the core.

Furthermore, in another aspect, the present invention further provides a refrigerant module including the heat exchanger 10 and the refrigerant manifold 200 described above.

The refrigerant manifold 200 is a structure in which the refrigerant flows and various heat exchange components are mounted and coupled. The heat exchanger 10 and other various heat exchange components (e.g., expansion, valves, chillers, etc.) can be installed and combined to form an integrated refrigerant module. That is, the heat exchanger 10 of the present invention is formed in an optimized structure for constructing such a refrigerant module, and a refrigerant module can be easily constructed using the heat exchanger 10 of the present invention.

Above, embodiments of the present invention have been described with reference to the attached drawings, but those skilled in the art will understand that the present invention can be implemented in other specific forms without changing the technical idea or essential features. You will understand that it exists. Therefore, the embodiments described above should be understood as illustrative in all respects and not restrictive.

10: heat exchanger
100: Core
101: first core
102: second core
200: Manifold
210: Manifold body
220: End plate
RI: Refrigerant inlet to manifold
RO: Refrigerant outlet of manifold
CI: Coolant inlet to manifold
CO: Coolant outlet of manifold
RC: Refrigerant channel
CC: Coolant channel
RR: Refrigerant storage space

Claims (20)

A core composed of a plurality of plates stacked to exchange heat between two or more fluids; and
It includes a manifold having an inlet through which each of the two or more fluids flows, an outlet through which each of the two or more fluids flows, and a flow path through which each of the two or more fluids flows.
Characterized in that at least one surface of the manifold is in surface contact with the plate of the core,
heat exchanger.
According to paragraph 1,
The two or more fluids include a first cooling fluid and a second cooling fluid,
In the manifold,
A first cooling fluid inlet through which the first cooling fluid flows, a first cooling fluid outlet through which the first cooling fluid flows out, a second cooling fluid inlet through which the second cooling fluid flows in, and a second cooling fluid through which the second cooling fluid flows out. A second cooling fluid outlet is formed,
heat exchanger.
According to paragraph 2,
The core is separated into a first core and a second core,
The manifold is interposed between the first core and the second core, and has a structure in which the first core, the manifold, and the second core are stacked in order,
heat exchanger.
According to paragraph 3,
Inside the manifold,
A first cooling fluid channel through which the first cooling fluid flows,
a second cooling fluid channel through which the second cooling fluid flows;
A first cooling fluid storage space in which the first cooling fluid is stored is formed,
heat exchanger.
According to paragraph 4,
The first cooling fluid channel includes a first cooling fluid channel connecting the first cooling fluid inlet and the first core, and a second cooling fluid channel connecting the first cooling fluid outlet and the second core. 1 cooling fluid channel, a third, first cooling fluid channel connecting the first cooling fluid storage space and the first core, and a fourth, connecting the first cooling fluid storage space and the second core. 1 comprising a cooling fluid channel,
heat exchanger.
According to clause 5,
The first cooling fluid storage space has a volume larger than the volume of each of the first to fourth and first cooling fluid channels so that the first cooling fluid can be temporarily stored,
heat exchanger.
According to clause 5,
So that the liquid first cooling fluid can be separated by gravity from the first cooling fluid in an abnormal state inside the first cooling fluid storage space,
The first cooling fluid storage space is formed in a structure extending in the direction of gravity,
heat exchanger.
In clause 7,
A height difference is formed between one area of the lower part of the first cooling fluid storage space and another area, so that one area is higher than the other area,
The third and first cooling fluid channels are formed in a lower area of the first cooling fluid storage space,
The fourth and first cooling fluid channels are formed in another area below the first cooling fluid storage space.
heat exchanger.
In clause 7,
The first and first cooling fluid channels and the second and first cooling fluid channels are located at the upper part of the first cooling fluid storage space,
The third and first cooling fluid channels and the fourth and first cooling fluid channels are located below the first cooling fluid storage space,
heat exchanger.
According to paragraph 4,
The second cooling fluid channel includes first and second cooling fluid channels connected to the second cooling fluid inlet, and second and second cooling fluid channels connected to the second cooling fluid outlet,
heat exchanger.
According to clause 10,
The first and second cooling fluid channels are connected to the first core and the second core and are configured to diverge the second cooling fluid flowing in from the second cooling fluid inlet to the first core and the second core. ,
The second and second cooling fluid channels are connected to the first core and the second core and are configured to flow the second cooling fluid flowing from the first core and the second core to the second cooling fluid outlet. ,
heat exchanger.
According to paragraph 3,
The first cooling fluid inlet and the first cooling fluid outlet are disposed close to each other,
heat exchanger.
According to paragraph 2,
The manifold is disposed at an end of the core and laminated and coupled to the top plate of the core.
heat exchanger.
According to clause 13,
The manifold includes a manifold body in which the first cooling fluid inlet, a first cooling fluid outlet, a second cooling fluid inlet, and a second cooling fluid outlet are formed, and a flat end plate,
Consisting of a structure in which the end plate is laminated and coupled to one side of the manifold body,
heat exchanger.
According to clause 14,
Inside the manifold body, a cooling fluid channel through which the first cooling fluid flows and a second cooling fluid channel through which the second cooling fluid flows are formed,
The first cooling fluid channel and the second cooling fluid channel are formed in a structure that penetrates the manifold body,
One pierced side of the second cooling fluid channel and the pierced one side of the second cooling fluid channel are closed by the end plate,
heat exchanger.
According to clause 15,
The first cooling fluid channel includes a first cooling fluid channel connecting a first cooling fluid inlet of the manifold body and a first cooling fluid inlet of the core, and a first cooling fluid outlet of the manifold body. And a second and first cooling fluid channel connecting the first cooling fluid outlet of the core,
heat exchanger.
According to clause 16,
A first cooling fluid inlet and a first cooling fluid outlet of the manifold body are disposed close to each other,
At least one of the first, first cooling fluid channel and the second, first cooling fluid channel is such that the first cooling fluid inlet and the first cooling fluid outlet of the manifold body are disposed close to each other,
It has a shape that extends long from the first cooling fluid inlet of the core to the first cooling fluid inlet of the manifold body,
Configured to extend long from the first cooling fluid outlet of the core to the first cooling fluid outlet of the manifold body,
heat exchanger.
According to clause 15,
The second cooling fluid channel includes first and second cooling fluid channels connecting a second cooling fluid inlet of the manifold body and a second cooling fluid inlet of the core, and a second cooling fluid outlet of the manifold body. And a second cooling fluid channel connecting the second cooling fluid outlet of the core,
heat exchanger.
According to clause 18,
The second cooling fluid inlet and the second cooling fluid outlet of the manifold body are disposed close to each other,
At least one of the first and second cooling fluid channels and the second cooling fluid channel is such that the second cooling fluid inlet and the second cooling fluid outlet of the manifold body are disposed close to each other,
It is in a long form extending from the second cooling fluid inlet of the core to the second cooling fluid inlet of the manifold body, or
It is configured to extend long from the second cooling fluid outlet of the core to the second cooling fluid outlet of the manifold body,
heat exchanger.
According to paragraph 2,
The first cooling fluid inlet, the first cooling fluid outlet, the second cooling fluid inlet, and the second cooling fluid outlet are each formed to face a direction perpendicular to the direction in which the plates of the core are stacked,
heat exchanger.