Heat exchanger assembly

Abstract

The utility model provides a heat exchanger assembly. The heat exchanger assembly includes: a heat exchanger having a first port and a second port; the first connecting block and the second connecting block are separated from each other and are respectively in fluid communication with the first port and the second port, the first connecting block is arranged at the first port and is in fluid communication with the first port, and the second connecting block is arranged far away from the second port and is in fluid communication with the second port through a fluid channel; or the first connecting block is arranged away from the first port and is in fluid communication with the first port through the fluid channel, and the second connecting block is arranged at the second port and is in fluid communication with the second port. According to the arrangement, under the condition that the size and the structure of an original heat exchanger are not changed, the first connecting block and the second connecting block are matched with different interface positions of external parts, the installation requirements of customers are met, a mold only needs to be designed for the two connecting blocks, the module development cost is low, and the development period is short; the problems of high cost and long development period caused by redevelopment or design of a mold of the heat exchanger plate can be avoided.

Description

Technical Field

[0001] The present disclosure relates to a heat exchanger assembly, and more particularly to a heat exchanger assembly suitable for matching with different external component interface positions. Background Art

[0002] The heat exchanger assembly includes a heat exchanger (e.g., a plate heat exchanger) and a refrigerant block fixed to the heat exchanger. The refrigerant can flow into the heat exchanger through the refrigerant block to exchange heat with the coolant (e.g., water) in the heat exchanger, thereby reducing the temperature of the refrigerant and flowing out of the heat exchanger. Usually, there are two straight channels on the refrigerant block, which are aligned with the refrigerant inlet and the refrigerant outlet of the heat pipe. The two straight channels have connectors protruding from the refrigerant block on the side away from the heat exchanger for plugging in external components. However, due to the wide variety of external components and the fact that the interface positions of the external components docking with the refrigerant block are very different, this may cause the heat exchanger assembly to be unable to match the external components provided by the customer, especially the interfaces of the external components.

[0003] In order to solve the above problems, technicians usually redesign or adjust the size and structure of the plate heat exchanger, especially redesign or adjust the heat exchanger plate to change the position of the refrigerant inlet and refrigerant outlet of the heat exchanger, and then connect the external components through the refrigerant block. However, this method requires the re-development of the mold, which is costly and has a long development cycle.

[0004] Therefore, those skilled in the art are committed to developing a new type of heat exchanger assembly that can match different interface positions of external components without changing the size and structure of the heat exchanger. Summary of the invention

[0005] The purpose of the present disclosure is to provide a heat exchanger assembly, by respectively arranging two first and second connecting blocks separated from each other as follows: the first connecting block is connected to the first port of the heat exchanger and is fluidly connected to the first port, the second connecting block is connected to the second port of the heat exchanger via a fluid channel, and the two connecting blocks are respectively provided with a first external interface and a second external interface for connecting to external components. Such an arrangement can match different interface positions of external components through the first connecting block and the second connecting block without changing the original size and structure of the heat exchanger, thereby meeting the installation requirements of customers, and the mold only needs to be designed for the above-mentioned two connecting blocks or the two connecting blocks and the fluid channel, so the module development cost is low and the development cycle is short, thereby avoiding the problem of high cost and long development cycle caused by redeveloping or designing the mold of the heat exchanger plate of the heat exchanger.

[0006] The present disclosure provides a heat exchanger assembly, which includes: a heat exchanger having a first port and a second port; and a first connecting block and a second connecting block separated from each other, which are fluidically connected to the first port and the second port respectively, wherein the first connecting block is arranged at the first port and is fluidically connected thereto, and the second connecting block is arranged away from the second port and is fluidically connected thereto via a fluid channel; or the first connecting block is arranged away from the first port and is fluidically connected thereto via a fluid channel, and the second connecting block is arranged at the second port and is fluidically connected thereto.

[0007] The heat exchanger assembly according to the present disclosure may also have one or more of the following features, alone or in combination.

[0008] In one or more embodiments, the first connection block is disposed at the first port, and the second connection block is in fluid communication with the second port via a fluid channel.

[0009] In one or more embodiments, the fluid channel is a flow channel plate.

[0010] In one or more embodiments, the fluid channel is a conduit.

[0011] In one or more embodiments, the flow channel plate is stacked on the heat exchanger and is provided with at least one groove to form at least one flow channel with the top cover of the heat exchanger.

[0012] In one or more embodiments, the at least one flow channel is two parallel flow channels.

[0013] In one or more embodiments, the flow channel plate has a flow channel inlet and a flow channel outlet, the flow channel inlet is connected to the second port, and the flow channel outlet is connected to the second connection block.

[0014] In one or more embodiments, one end of the conduit is connected to the second port, and the other end is connected to the second connection block.

[0015] In one or more embodiments, the first connection block further includes a flow channel connected to the second port, and one end of the conduit is connected to the second port via the flow channel.

[0016] In one or more embodiments, the first connection block has a first external interface for connecting an external component, and the second connection block has a second external interface for connecting an external component, and the first external interface and the second external interface have different orientations.

[0017] In one or more embodiments, the first port is a fluid inlet and the second port is a fluid outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a perspective view of a heat exchanger assembly according to a first embodiment of the present disclosure;

[0019] Figure 2 is a perspective view of a heat exchanger assembly according to the first embodiment of the present disclosure at another viewing angle;

[0020] Figure 3 is a perspective view of a heat exchanger according to a first embodiment of the present disclosure;

[0021] Figure 4 is a perspective view of a first connecting block according to a first embodiment of the present disclosure;

[0022] Figure 5 is a stereoscopic view of the first connecting block according to the first embodiment of the present disclosure at another viewing angle;

[0023] Figure 6 is a perspective view of a second connecting block according to the first embodiment of the present disclosure;

[0024] Figure 7 is a stereoscopic view of the second connecting block according to the first embodiment of the present disclosure at another viewing angle;

[0025] Figure 8 is a three-dimensional diagram of a flow channel plate according to a first embodiment of the present disclosure;

[0026] Fig. 9 is a three-dimensional view of the flow channel plate according to the first embodiment of the present disclosure at another viewing angle;

[0027] Fig.10 is a perspective view of a heat exchanger assembly according to a second embodiment of the present disclosure;

[0028] Fig.11 is a perspective view of a first connecting block according to a second embodiment of the present disclosure;

[0029] Fig.12 is a stereoscopic view of a first connecting block according to a second embodiment of the present disclosure at another viewing angle;

[0030] Fig.13 is a perspective view of a second connecting block according to a second embodiment of the present disclosure;

[0031] Fig.14 is a stereoscopic view of a second connecting block according to a second embodiment of the present disclosure at another viewing angle;

[0032] Fig.15 is a stereoscopic diagram of the first connection block, the second connection block and the conduit after being assembled according to the second embodiment of the present disclosure;

[0033] Fig.16 4 is a perspective view of a heat exchanger according to a second embodiment of the present disclosure. DETAILED DESCRIPTION

[0034] The following describes the implementation of the present disclosure through specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification.

[0035] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings attached to this specification are only used to match the contents disclosed in the specification for the understanding and reading of those skilled in the art, and are not used to limit the limiting conditions for the implementation of the present disclosure, so they have no substantial technical significance. Any structural modification, change in proportional relationship, or adjustment of size, without affecting the effects and purposes that can be achieved by the present disclosure, should still fall within the scope of the technical contents disclosed by the present disclosure. At the same time, the terms such as "on" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present disclosure. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present disclosure without substantially changing the technical contents.

[0036] In order to more clearly understand the present disclosure, embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0037] Figures 1 to 9 The heat exchanger assembly 1 of the first embodiment of the present disclosure is shown. Figures 1 to 3 As shown, the heat exchanger assembly 1 includes a heat exchanger 10 and a first connection block 20, a second connection block 30 and a flow channel plate 40 fixed on the heat exchanger 10 and in fluid communication with the heat exchanger 10. Figure 3 The upper side of the heat exchanger 10 (as shown in FIG. 1 ) is provided with a first port 11 and a second port 12 for inflow and outflow of refrigerant, and on the opposite side of the heat exchanger 10 (as shown in FIG. 1 ), a first port 11 and a second port 12 are provided for inflow and outflow of refrigerant. Figure 2 A third port 13 and a fourth port 14 for the coolant to flow in and out are provided on the lower side (shown) of the heat exchanger 10, so that the refrigerant and the coolant can exchange heat inside the heat exchanger 10.

[0038] In one embodiment, if Figure 3 As shown, the aperture of the first port 11 may be smaller than that of the second port 12, because the refrigerant entering the heat exchanger 10 from the first port 11 has a higher temperature and a greater pressure than the refrigerant leaving the heat exchanger 10 through the second port 12, so the aperture of the first port 11 may be smaller than that of the second port 12. However, the present disclosure is not limited thereto, for example, the apertures of the first port 11 and the second port 12 may also be equal, as long as the refrigerant can flow into and out of the heat exchanger 10 through the first port 11 and the second port 12.

[0039] Please continue to see Figure 2 and Figure 3The heat exchanger 10 may also be provided with a bracket 15, through which the third port 13 and the fourth port 14 pass and protrude outward in a direction away from the heat exchanger 10 to be plugged into a coolant circuit. The bracket 15 has a flange protruding from the side wall of the heat exchanger 10, and a plurality of mounting holes 150 may be evenly arranged thereon, and the heat exchanger 10 may be fixedly mounted on a vehicle body or other components through the mounting holes 150 and fastening elements such as screws.

[0040] Please return to see Figure 1 The first connecting block 20 and the second connecting block 30 are two independent and separate connecting blocks. The first connecting block 20 and the second connecting block 30 are respectively fluidly connected to the first port 11 and the second port 12 of the heat exchanger 10, so that external components (such as an expansion valve and / or a compressor, etc.) can be connected to the heat exchanger 10 via the first connecting block 20 and the second connecting block 30.

[0041] In one embodiment, the first connecting block 20 is disposed at the first port 11 and is fluidically connected thereto, and the second connecting block 30 is disposed away from the second port 12 and is fluidically connected to the second port 12 via the flow channel plate 40. Such an arrangement allows the first connecting block 20 and the second connecting block 30 to match different interface positions of external components (such as an expansion valve, a compressor, etc.) without changing the size and structure of the heat exchanger 10, so as to meet the customer's installation requirements.

[0042] Please refer to Figure 1 , Figure 4 and Figure 5 The first connecting block 20 is disposed on the heat exchanger 10 and is located on a side away from the heat exchanger 10 (eg Figure 4 The heat exchanger 10 has a first external interface 21 for connecting an external component (e.g., an expansion valve), and the first external interface 21 has a flange protruding outwards to be directly plugged into the external component. The first external interface 21 can be connected to the first port 11 of the heat exchanger 10, so that the external component plugged into the first external interface 21 can transport refrigerant to the heat exchanger 10.

[0043] In order to improve the matching freedom between the first connection block 20 and the external components, the first connection block 20 is located on a side close to the heat exchanger 10 (such as Figure 5As shown in the figure, a flow channel 22 for connecting the first port 11 of the heat exchanger 10 may be provided. In this embodiment, the flow channel 22 may be substantially a straight flow channel, and the flow channel 22 may connect the first port 11 and the first external interface 21. In this way, when the external component has an installation error and its interface position is slightly different, the first connection block 20 may be slightly moved. At this time, due to the setting of the flow channel 22, the first external interface 21 may still connect the first port 11 of the heat exchanger 10 while matching the external component, thereby improving the matching freedom of the first connection block 20 and the external component. Of course, the present disclosure is not limited to the first connection block 22 having the flow channel 22 and / or the above-mentioned structure of the flow channel 22, as long as the first external interface 21 can be fluidically connected to the first port 11.

[0044] In addition, it should be noted that the first connection block 20 and the first port 11 of the heat exchanger 10 are sealed and connected. For example, the first connection block 20 can be sealed and connected to the first port 11 of the heat exchanger 10 by welding or other methods.

[0045] Please continue to see Figure 4 and Figure 5 The first connecting block 20 may also have at least one mounting hole 23 (two are used as an example in the present disclosure) so that when an external component is plugged into the first external interface 21 of the first connecting block 20, the external component can be fixed to the heat exchanger assembly 1 by fastening elements such as screws.

[0046] Please refer to Figure 1 , Figure 8 and Fig. 9 , the flow channel plate 40 is disposed on the heat exchanger 10, and is used to connect the second port 12 of the heat exchanger 10 and the second connection block 30. In one embodiment, the flow channel plate 40 can be roughly a plate-shaped structure with a groove to facilitate manufacturing, and when the flow channel plate 40 is stacked on the heat exchanger 10, it can cooperate with the top cover of the heat exchanger 10 to form a flow channel. One end of the flow channel plate 40, especially one end of the groove on the flow channel plate 40, can be used as a flow channel inlet 41, docking with the second port 12 of the heat exchanger 10; the other end of the flow channel plate 40, especially the other end of the groove on the flow channel plate 40, has a flow channel outlet 42 that penetrates the flow channel plate 40 to form a fluid passage. The flow channel outlet 42 has a flange that protrudes away from the heat exchanger 10 (i.e., protrudes outward) to facilitate plugging and fluid connection with the second connection block 30.

[0047] In this embodiment, the flow channel plate 40 has two grooves 43 and 44 connected in parallel between the flow channel inlet 41 and the flow channel outlet 42, so as to cooperate with the top cover of the heat exchanger 10 to form two-way flow channels for reducing the pressure of the refrigerant flowing out of the second port 12. However, the present disclosure is not limited to the above structure. For example, the flow channel plate 40 may also be provided with one groove, or three or more grooves, or at least one flow channel may be directly provided in the flow channel plate 40, as long as the second connection block 30 and the second port 12 of the heat exchanger 10 can be fluidically connected. In addition, the flow channel plate 40 may be fixed to the heat exchanger 10 by welding or the like to avoid fluid leakage.

[0048] Please refer to Figure 1 , Figure 6 and Figure 7 , the second connection block 30 is arranged on the heat exchanger 10 and is away from the second port 12. The second connection block 30 has a second external interface 31 for connecting an external component (for example, a compressor, etc.) and a flow channel interface 32 for connecting the flow channel outlet 42 on the flow channel plate 40, wherein the flow channel interface 32 is in fluid communication with the second external interface 31, so that the refrigerant in the flow channel plate 40 can flow to the external component through the flow channel interface 32 and the second external interface 31. The flow channel interface 32 is open to one side of the heat exchanger 10 / flow channel plate 40, so that the flow channel outlet 42 of the flow channel plate 40 can be easily plugged into the second connection block 30. In addition, the heat exchanger assembly 1 may also include a sealing member (for example, a sealing ring and / or a sealing gasket), which is sleeved on the flange of the flow channel outlet 42, so that a sealed connection is formed between the flow channel plate 40 and the second connection block 30, for example, the two may be end face sealed and / or radially sealed. The second external interface 31 may have a different orientation / opening direction from the first external interface 21 to adapt to interfaces at different positions and opening directions of external components. In this embodiment, the second external interface 31 is open toward the side away from the first connection block 20 to facilitate docking / plugging of external components (e.g., compressor, etc.). Of course, the present disclosure does not limit the above-mentioned opening direction of the second external interface 31, as long as the second external interface 31 can be fluidically connected to the external component.

[0049] The second connection block 30 may also have a sensor interface 33 for plugging in a temperature and / or pressure sensor to sense the temperature and / or pressure of the fluid flowing through the second connection block 30. The sensor interface 33 may have a different orientation from the second external interface 31 and the flow channel interface 32 to facilitate plugging in the sensor. In addition, the second connection block 30 may also have a mounting hole 34 so that when an external component is plugged into the second external interface 31 of the second connection block 30, the external component can be fixed to the heat exchanger assembly 1 by a fastening element such as a screw.

[0050] It can be seen that the heat exchanger assembly 1 of the above embodiment of the present disclosure is provided with two first connecting blocks 20 and second connecting blocks 30 separated from each other, wherein the first connecting block 20 is connected to the first port 11 of the heat exchanger 10 and is fluidly connected to the first port, and the second connecting block 30 is fluidly connected to the second port 12 of the heat exchanger 10 via a flow channel plate 40, and the first connecting block 20 and the second connecting block 30 are respectively provided with a first external interface 21 and a second external interface 31 for connecting external components. Such a setting can match different interface positions of external components (such as expansion valves, compressors, etc.) through the first connecting block 20 and the second connecting block 30 without changing the size and structure of the original heat exchanger 10, thereby meeting the customer's installation requirements, and the mold only needs to be designed for the above two connecting blocks and the flow channel plate, the module development cost is low, and the development cycle is short, thereby avoiding the problem of high cost and long development cycle caused by redeveloping or designing the mold of the heat exchanger plate in the heat exchanger 10.

[0051] The following will describe different embodiments of the present disclosure. To simplify the description, the following mainly describes the differences between the embodiments, and the similarities are not repeated. In addition, the same elements in the embodiments of the present disclosure are marked with the same reference numerals to facilitate comparison between the embodiments.

[0052] Figures 11 to 15 FIG. 1 shows a heat exchanger assembly 1 according to a second embodiment of the present disclosure. Fig.10 As shown, the heat exchanger assembly 1 of the second embodiment is mainly different from that of the first embodiment in that the second connection block 30 is fluidically connected to the second port 12 of the heat exchanger 10 via a conduit 50 .

[0053] In one embodiment, the conduit 50 may be connected to the second port 12 of the heat exchanger 10 via the first connection block 20. Figures 10 to 12 as well as Fig.15 In addition to the first external interface 21 for connecting external components described in the first embodiment, the flow channel 22 for connecting the first port 11, and the mounting hole 23 for fixing and mounting external components, the first connection block 20 also has another flow channel that is not connected to the flow channel 22, and the other flow channel has a first flow channel opening 24 and a second flow channel opening 25, wherein the first flow channel opening 24 is open toward one side of the heat exchanger 10 for docking with the second port 12 of the heat exchanger 10, and the second flow channel opening 25 can be open toward one side of the second connection block 30 for docking with the conduit 50, so that the conduit 50 can be connected to the second port 12 via the first connection block 20, especially via another flow channel of the first connection block, and the conduit 50 can have a shorter length. Of course, the present disclosure is not limited to the above structure and connection method, for example, the conduit 50 can also be directly connected to the second port 12 of the heat exchanger 10, as long as one end of the conduit 50 can be fluidically connected to the second port 12.

[0054] As described above, one end of the conduit 50 is connected to the second flow channel opening 25 of the first connection block 20, and the other end of the conduit 50 is connected to the second connection block 30. Figures 13 to 15 As shown, the second connection block 30 has, in addition to the second external interface 31 for connecting external components as described in the first embodiment; a second external interface 32 for plugging in a temperature and / or pressure sensor 60 (such as Fig.10 In addition to the sensor interface 33 and the mounting hole 34 for fixing and mounting external components, the device also has a conduit interface 32'. The conduit interface 32' can be opened toward the first connection block 20 and is used to connect the other end of the conduit 50 so that the conduit 50 connects the second connection block 30 with the first connection block 20, so as to connect the second connection block 30 with the second port 12.

[0055] The above arrangement can still meet the customer's installation requirements by matching different interface positions of external components (such as expansion valves, compressors, etc.) through the first connecting block 20 and the second connecting block 30 without changing the size and structure of the original heat exchanger 10, and the mold only needs to be designed for the above two connecting blocks, so the module development cost is low and the development cycle is short, avoiding the problem of high cost and long development cycle caused by redeveloping or designing the mold of the heat exchanger plate in the heat exchanger 10.

[0056] In addition, the heat exchanger assembly 1 of the above two embodiments of the present disclosure may further include a positioning assembly for positioning the relative positions of the first connection block 20 and the heat exchanger 10; and / or the second connection block 30 and the heat exchanger 10. Fig.12 and Fig.16 As shown, the positioning assembly may include a positioning protrusion 16 and a positioning groove 26 used in conjunction. In one embodiment, the positioning protrusion 16 is disposed on the top cover of the heat exchanger 10, and correspondingly, the positioning groove 26 is disposed on the first connection block 20 and / or the third connection block 30, and the positioning protrusion 16 is inserted into the positioning groove 26. However, the present disclosure is not limited thereto, for example, the positioning protrusion 16 may also be disposed on the first connection block 20 and / or the third connection block 30, corresponding to the positioning groove 26 disposed on the top cover of the heat exchanger 10, as long as the relative positions of the heat exchanger 10 and the first connection block 20, and / or the heat exchanger 10 and the second connection block 30 can be positioned.

[0057] Although the embodiments shown in the present disclosure are mainly described by taking the example that the second connecting block 30 is fluidly connected to the second port 12 of the heat exchanger 10 via the flow channel plate 40 or the conduit 50, the present disclosure is not limited to this. For example, the second connecting block 30 can also be connected to the second port 12 via other fluid channels, as long as the second connecting block 30 can be fluidically connected to the second port 12.

[0058] The embodiment described in the present disclosure is mainly described by taking the example that the first connection block 20 is arranged at the first port 11 and is in fluid communication with the first port 11, and the second connection block 20 is arranged away from the second port 12 and is in fluid communication with the second port 12 via the fluid channel of the flow channel plate 40 or the conduit 50, however, the present disclosure is not limited thereto, for example, the first connection block 20 can also be arranged away from the first port 11 and is in fluid communication with the first port 11 via a fluid channel, and the second connection block 30 is arranged at the second port 12 and is in fluid communication with the second port 12, as long as the two connection blocks 20 are separated from each other and can be in fluid communication with the first port 11 and the second port 12, respectively. Of course, if the first connection block 20 is in fluid communication with the first port 11 via a fluid channel, it is necessary to adjust the interface of the first connection block 20 connected to different fluid channels accordingly.

[0059] In addition, the embodiments described in the present disclosure mainly take the first port 11 as the refrigerant inlet and the second port 12 as the refrigerant outlet as an example, however, the present disclosure is not limited to this, for example, the first port 11 may also be the refrigerant outlet, and the second port 12 may be the refrigerant inlet; or the first port 11 and the second port 12 may also be the inlet and outlet of the coolant respectively (in this case, the third port 13 and the fourth port 14 may be used as the inlet and outlet of the refrigerant), as long as one of the two is the fluid inlet and the other is the fluid outlet.

[0060] In addition, the embodiments described in the present disclosure are mainly described by taking the component marked with 20 in the figure as the first connecting block and the component marked with 30 in the figure as the second connecting block as an example, however, the present disclosure is not limited to this, for example, the component marked with 20 in the figure can also be used as the second connecting block, and the component marked with 30 in the figure can be used as the first connecting block, as long as the two connecting blocks are two independent connecting blocks, and can be fluidically connected to the first port 11 and the second port 12 respectively and can be connected to the interface of the external component.

[0061] The present disclosure provides a heat exchanger assembly, wherein two first and second connection blocks separated from each other are respectively arranged as follows: the first connection block is connected to a first port of the heat exchanger and is fluidly connected to the first port, the second connection block is connected to the second port of the heat exchanger via a fluid channel, and the two connection blocks are respectively provided with a first external interface and a second external interface for connecting to external components. Such an arrangement allows the first connection block and the second connection block to match different interface positions of external components without changing the size and structure of the original heat exchanger (especially the heat exchanger plate), thereby meeting the installation requirements of customers, and the mold only needs to be designed for the above-mentioned two connection blocks or the two connection blocks and the fluid channel, so the module development cost is low and the development cycle is short, thereby avoiding the problem of high cost and long development cycle caused by redeveloping or designing the mold of the heat exchanger plate of the heat exchanger.

[0062] The above describes exemplary implementations of the heat exchanger assembly provided by the present disclosure with reference to preferred embodiments. However, it can be understood by those skilled in the art that, without departing from the concept of the present disclosure, various modifications and variations can be made to the above-mentioned specific embodiments, and various technical features and structures proposed in the present disclosure can be combined in various ways without exceeding the protection scope of the present disclosure, which is determined by the attached claims.

Claims

1. A heat exchanger assembly (1), characterized in that: The heat exchanger assembly (1) comprises: A heat exchanger (10) having a first port (11) and a second port (12); and A first connection block (20) and a second connection block (30) separated from each other are respectively fluidically connected to the first port (11) and the second port (12), wherein the first connection block (20) is arranged at the first port (11) and is in fluid communication with the first port (11), and the second connection block (30) is arranged away from the second port (12) and is in fluid communication with the second port (12) via a fluid channel; or The first connection block (20) is arranged away from the first port (11) and is in fluid communication with the first port (11) via a fluid channel, and the second connection block (30) is arranged at the second port (12) and is in fluid communication with the second port (12).

2. The heat exchanger assembly (1) according to claim 1, characterized in that: The first connection block (20) is disposed at the first port (11), and the second connection block (30) is in fluid communication with the second port (12) via a fluid channel.

3. The heat exchanger assembly (1) according to claim 2, characterized in that: The fluid channel is a flow channel plate (40).

4. The heat exchanger assembly (1) according to claim 2, characterized in that: The fluid channel is a conduit (50).

5. The heat exchanger assembly (1) according to claim 3, characterized in that: The flow channel plate (40) is stacked on the heat exchanger (10) and is provided with at least one groove so as to form at least one flow channel with the top cover of the heat exchanger (10).

6. The heat exchanger assembly (1) according to claim 5, characterized in that The at least one flow channel is two parallel flow channels.

7. The heat exchanger assembly (1) according to claim 5, characterized in that: The flow channel plate (40) has a flow channel inlet (41) and a flow channel outlet (42), the flow channel inlet (41) is connected to the second port (12), and the flow channel outlet (42) is connected to the second connection block (30).

8. The heat exchanger assembly (1) according to claim 4, characterized in that: One end of the conduit (50) is connected to the second port (12), and the other end is connected to the second connection block (30).

9. The heat exchanger assembly (1) according to claim 8, characterized in that The first connection block (20) further comprises a flow channel connected to the second port (12), and one end of the conduit (50) is connected to the second port (12) via the flow channel.

10. The heat exchanger assembly (1) according to any one of claims 1 to 9, characterized in that: The first connection block (20) has a first external interface (21) for connecting an external component, and the second connection block (30) has a second external interface (31) for connecting an external component. The first external interface (21) and the second external interface (31) have different orientations.

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