Heat exchanger

Abstract

The present invention discloses a heat exchanger. The heat exchanger includes: an inlet header, which is used for a heat exchange medium to flow into the heat exchanger, and the inlet header includes a first inlet header portion and a second inlet header portion; and a heat exchange medium inlet pipe that is respectively disposed at adjacent ends of the first inlet header portion and the second inlet header portion and is in fluid communication with the first inlet header portion and the second inlet header portion respectively, and the heat exchange medium inlet pipe has an inlet. Since the heat exchange medium enters the inlet header from the middle of the inlet header, it is beneficial to optimize the distribution of the heat exchange medium and improve the heat exchange efficiency.

Description

Technical Field

[0001] The present invention relates to a heat exchanger. Background Art

[0002] The heat exchanger includes: heat exchange tubes, an outlet header, an inlet header, and a distribution pipe. The distribution pipe is disposed in the inlet header to distribute a heat exchange medium. Summary of the Invention

[0003] The object of the present invention is to provide a heat exchanger, whereby, for example, it is possible to facilitate optimizing the distribution of the heat exchange medium and improving the heat exchange efficiency.

[0004] An embodiment of the present invention provides a heat exchanger, including: an inlet header for a heat exchange medium to flow into the heat exchanger, the inlet header including a first inlet header portion and a second inlet header portion, and heat exchange medium inlet pipes respectively disposed at adjacent ends of the first inlet header portion and the second inlet header portion and being in fluid communication with the first inlet header portion and the second inlet header portion respectively, the heat exchange medium inlet pipes having inlets.

[0005] According to an embodiment of the present invention, the inlet header further includes: a distribution pipe, the distribution pipe including: a first distribution pipe portion and a second distribution pipe portion, the first distribution pipe portion and the second distribution pipe portion having distribution pipe distribution segments respectively disposed in the first inlet header portion and the second inlet header portion and distribution pipe connection segments respectively extending out of the first inlet header portion and the second inlet header portion from the distribution pipe distribution segments, the distribution pipe connection segments constituting the heat exchange medium inlet pipes.

[0006] According to an embodiment of the present invention, the first inlet header portion and the second inlet header portion respectively have closing plates closing adjacent ends of the first inlet header portion and the second inlet header portion, the closing plates having through holes; and the heat exchange medium inlet pipes disposed on the first inlet header portion and the heat exchange medium inlet pipes disposed on the second inlet header portion respectively extend out through the through holes of the closing plates of the first inlet header portion and the second inlet header portion.

[0007] According to an embodiment of the present invention, the inlet manifold further includes: an inlet manifold connection portion connected between the first inlet manifold portion and the second inlet manifold portion, the inlet manifold connection portion and the closing plates of the first inlet manifold portion and the second inlet manifold portion together defining a transition cavity, a heat exchange medium inlet pipe provided on the first inlet manifold portion and a heat exchange medium inlet pipe provided on the second inlet manifold portion respectively extending into the transition cavity through through-holes in the closing plates of the first inlet manifold portion and the second inlet manifold portion, and the inlet manifold connection portion having an opening passing through the pipe wall of the inlet manifold connection portion, such that the heat exchange medium enters the transition cavity through the opening in the pipe wall of the inlet manifold connection portion.

[0008] According to an embodiment of the present invention, the heat exchanger further includes: a connection pipe assembly, the connection pipe assembly including a connecting pipe, the connecting pipe being connected to the inlet manifold connection portion and being in fluid communication with the transition cavity through the opening in the pipe wall of the inlet manifold connection portion.

[0009] According to an embodiment of the present invention, the heat exchange medium inlet pipe provided on the first inlet manifold portion and the heat exchange medium inlet pipe provided on the second inlet manifold portion are connected to each other to form a common heat exchange medium inlet pipe, and the inlet of the heat exchange medium inlet pipe is an opening passing through the pipe wall of the common heat exchange medium inlet pipe.

[0010] According to an embodiment of the present invention, the ends of the heat exchange medium inlet pipe provided on the first inlet manifold portion and the heat exchange medium inlet pipe provided on the second inlet manifold portion are spaced apart from each other, and the inlet of the heat exchange medium inlet pipe is an opening at the end of the heat exchange medium inlet pipe.

[0011] According to an embodiment of the present invention, the heat exchange medium inlet pipe provided on the first inlet manifold portion and the heat exchange medium inlet pipe provided on the second inlet manifold portion are connected to each other to form a common heat exchange medium inlet pipe, and the inlet of the heat exchange medium inlet pipe is an opening passing through the pipe wall of the common heat exchange medium inlet pipe; and the heat exchanger further includes a connection pipe assembly, the connection pipe assembly including a connecting pipe, the connecting pipe being connected to the common heat exchange medium inlet pipe and being in fluid communication with the opening in the pipe wall of the common heat exchange medium inlet pipe.

[0012] According to an embodiment of the present invention, the first inlet manifold portion and the second inlet manifold portion of the inlet manifold are two separate inlet manifold portions.

[0013] According to an embodiment of the present invention, the first inlet manifold portion and the second inlet manifold portion of the inlet manifold are two portions of one inlet manifold.

[0014] According to an embodiment of the present invention, the heat exchanger further includes: a plurality of heat exchange tubes, a first end portion of the plurality of heat exchange tubes is connected to and in fluid communication with an inlet header, and the plurality of heat exchange tubes include a first heat exchange tube connected to and in fluid communication with a first inlet header portion of the inlet header and a second heat exchange tube connected to and in fluid communication with a second inlet header portion of the inlet header.

[0015] According to an embodiment of the present invention, in the arrangement direction of the heat exchange tubes, the first heat exchange tube is located on one side, and the second heat exchange tube is located on the other side.

[0016] According to an embodiment of the present invention, a first end portion of the first heat exchange tube is bent toward one side in the thickness direction of the heat exchanger and / or a first end portion of the second heat exchange tube is bent toward the other side in the thickness direction of the heat exchanger, so that the first inlet header portion and the second inlet header portion of the inlet header are offset from each other in the thickness direction of the heat exchanger.

[0017] According to an embodiment of the present invention, the first inlet header portion and the second inlet header portion of the inlet header are offset from each other in a direction perpendicular to the thickness direction of the heat exchanger and the arrangement direction of the heat exchange tubes.

[0018] According to an embodiment of the present invention, the heat exchanger further includes: a connection pipe assembly, the connection pipe assembly includes a tee and a connecting pipe, and the connecting pipe is connected to a heat exchange medium inlet pipe provided on the first inlet header portion and a heat exchange medium inlet pipe provided on the second inlet header portion through the tee.

[0019] According to an embodiment of the present invention, the axis of the first inlet header portion and the axis of the second inlet header portion have a certain included angle.

[0020] According to an embodiment of the present invention, the heat exchanger further includes: an outlet header, the outlet header is used for the heat exchange medium to flow out of the heat exchanger, a second end portion of the plurality of heat exchange tubes is connected to and in fluid communication with the outlet header, the outlet header includes a first outlet header portion and a second outlet header portion, the first heat exchange tube is connected to and in fluid communication with the first outlet header portion of the outlet header, and the second heat exchange tube is connected to and in fluid communication with the second outlet header portion of the outlet header.

[0021] According to an embodiment of the present invention, the first heat exchange tube and the second heat exchange tube are arranged along the length direction of the outlet header.

[0022] According to an embodiment of the present invention, the heat exchanger further includes: a first sub-heat exchanger and a second sub-heat exchanger. The first sub-heat exchanger includes: the first inlet header portion, the first outlet header portion, and the first heat exchange tubes. The second sub-heat exchanger includes: the second inlet header portion, the second outlet header portion, and the second heat exchange tubes. And a certain included angle is formed between the first sub-heat exchanger and the second sub-heat exchanger.

[0023] According to an embodiment of the present invention, the included angle between the first sub-heat exchanger and the second sub-heat exchanger is in the range of 45 degrees to 135 degrees.

[0024] According to an embodiment of the present invention, the first outlet header portion and the second outlet header portion of the outlet header are two separate outlet header portions, and are connected to each other through an outlet header connecting pipe.

[0025] According to an embodiment of the present invention, the first outlet header portion and the second outlet header portion of the outlet header are two portions of one outlet header.

[0026] According to an embodiment of the present invention, the first inlet header portion and the second inlet header portion respectively have closing plates that close the adjacent ends of the first inlet header portion and the second inlet header portion. The closing plates have through holes; and the heat exchange medium inlet pipes provided on the first inlet header portion and the heat exchange medium inlet pipes provided on the second inlet header portion are respectively communicated with the through holes of the closing plates of the first inlet header portion and the second inlet header portion.

[0027] When using the heat exchanger according to an embodiment of the present invention, since the heat exchange medium enters the inlet header from the middle of the inlet header, it is beneficial to optimize the distribution of the heat exchange medium and improve the heat exchange efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic front view of a heat exchanger according to an embodiment of the present invention;

[0029] Figure 2 For Figure 1 It is a schematic cross-sectional view of a part of the heat exchanger shown including a nozzle assembly;

[0030] Figure 3 It is a schematic cross-sectional view of a part of a heat exchanger including a nozzle assembly according to another embodiment of the present invention;

[0031] Figure 4 It is a schematic front view of a heat exchanger according to still another embodiment of the present invention;

[0032] Figure 5 For Figure 4Schematic cross-sectional view of the part of the heat exchanger including the nozzle assembly shown;

[0033] Figure 6 Schematic perspective view of a heat exchanger according to another embodiment of the present invention;

[0034] Figure 7 According to Figure 6 Schematic side view of a part of a heat exchanger according to a variant of the embodiment shown;

[0035] Figure 8 According to Figure 6 Schematic front view of a heat exchanger according to another variant of the embodiment shown;

[0036] Figure 9 According to Figure 6 Schematic top view of a heat exchanger according to yet another variant of the embodiment shown;

[0037] Figure 10 According to Figure 6 Schematic bottom view of a heat exchanger according to still another variant of the embodiment shown; and

[0038] Figure 11 According to Figure 6 Schematic bottom view of a heat exchanger according to a further variant of the embodiment shown. Detailed Description of the Invention

[0039] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0040] Refer to Figures 1 to 6 、 Figure 8 、 Figure 9 According to an embodiment of the present invention, a heat exchanger 100 includes: an inlet header 3 for a heat exchange medium to flow into the heat exchanger 100, the inlet header 3 including a first inlet header portion 31 and a second inlet header portion 32; and heat exchange medium inlet pipes 66 respectively disposed at adjacent ends 30 of the first inlet header portion 31 and the second inlet header portion 32 and in fluid communication with the first inlet header portion 31 and the second inlet header portion 32 respectively, the heat exchange medium inlet pipes 66 having inlets 65.

[0041] Refer to Figures 1 to 6 、 Figure 8 、 Figure 9, in an embodiment of the present invention, the inlet manifold 3 further includes a distribution pipe 6, and the distribution pipe 6 includes: a first distribution pipe portion 61 and a second distribution pipe portion 62. The first distribution pipe portion 61 and the second distribution pipe portion 62 have distribution pipe distribution sections 60 respectively disposed in the first inlet manifold portion 31 and the second inlet manifold portion 32, and distribution pipe connection sections that extend from the distribution pipe distribution sections 60 out of the first inlet manifold portion 31 and the second inlet manifold portion 32 and constitute the heat exchange medium inlet pipes 66. The distribution pipe distribution section 60 may have a plurality of distribution holes arranged in the longitudinal direction.

[0042] See Figure 2 , Figure 3 , Figure 5 , in an embodiment of the present invention, the first inlet manifold portion 31 and the second inlet manifold portion 32 respectively have closing plates 35 that close the adjacent ends 30 of the first inlet manifold portion 31 and the second inlet manifold portion 32. The closing plates 35 have through holes 350; and the heat exchange medium inlet pipes 66 disposed on the first inlet manifold portion 31 and the heat exchange medium inlet pipes 66 disposed on the second inlet manifold portion 32 respectively extend through the through holes 350 of the closing plates 35 of the first inlet manifold portion 31 and the second inlet manifold portion 32. In the case where the distribution pipe distribution section 60 is not adopted, the heat exchange medium inlet pipes 66 disposed on the first inlet manifold portion 31 and the heat exchange medium inlet pipes 66 disposed on the second inlet manifold portion 32 are respectively communicated with the through holes 350 of the closing plates 35 of the first inlet manifold portion 31 and the second inlet manifold portion 32.

[0043] See Figure 2 , Figure 3, in an embodiment of the present invention, the inlet manifold 3 further includes: an inlet manifold connection portion 33 connected between the first inlet manifold portion 31 and the second inlet manifold portion 32. The inlet manifold connection portion 33 and the closing plates 35 of the first inlet manifold portion 31 and the second inlet manifold portion 32 together define a transition chamber 80. The heat exchange medium inlet pipes 66 provided on the first inlet manifold portion 31 and the heat exchange medium inlet pipes 66 provided on the second inlet manifold portion 32 respectively extend into the transition chamber 80 through through-holes 350 in the closing plates 35 of the first inlet manifold portion 31 and the second inlet manifold portion 32. The inlet manifold connection portion 33 has an opening 360 passing through the pipe wall 36 of the inlet manifold connection portion 33, so that the heat exchange medium enters the transition chamber 80 through the opening 360 in the pipe wall 36 of the inlet manifold connection portion 33. The heat exchanger 100 further includes a connection pipe assembly 8. The connection pipe assembly 8 includes a connection pipe 81. The connection pipe 81 is connected to the inlet manifold connection portion 33 and is in fluid communication with the transition chamber 80 through the opening 360 in the pipe wall 36 of the inlet manifold connection portion 33. The heat exchange medium enters the transition chamber 80 through the connection pipe 81, and then enters the first distribution pipe portion 61 and the second distribution pipe portion 62 on both sides of the distribution pipe 6 through the inlet 65 of the heat exchange medium inlet pipe 66.

[0044] See Figure 2 , Figure 4 , Figure 5 , in some embodiments of the present invention, the heat exchange medium inlet pipes 66 provided on the first inlet manifold portion 31 and the heat exchange medium inlet pipes 66 provided on the second inlet manifold portion 32 are connected to each other to form a common heat exchange medium inlet pipe 66. The inlet 65 of the heat exchange medium inlet pipe 66 is an opening passing through the pipe wall 67 of the common heat exchange medium inlet pipe 66. See Figure 3 , Figure 6 , Figure 8 , Figure 9 , in other embodiments of the present invention, the ends of the heat exchange medium inlet pipes 66 provided on the first inlet manifold portion 31 and the heat exchange medium inlet pipes 66 provided on the second inlet manifold portion 32 are spaced apart from each other. The inlet 65 of the heat exchange medium inlet pipe 66 is an opening at the end 68 of the heat exchange medium inlet pipe 66.

[0045] See Figure 4 , Figure 5, in an embodiment of the present invention, the heat exchange medium inlet pipe 66 provided on the first inlet header pipe portion 31 and the heat exchange medium inlet pipe 66 provided on the second inlet header pipe portion 32 are connected to each other to form a common heat exchange medium inlet pipe 66. An inlet 65 of the heat exchange medium inlet pipe 66 is an opening passing through a pipe wall 67 of the common heat exchange medium inlet pipe 66. The connection pipe assembly 8 includes a connecting pipe 81. The connecting pipe 81 is connected to the common heat exchange medium inlet pipe 66 and is in fluid communication with the opening of the pipe wall 67 of the common heat exchange medium inlet pipe 66. The connecting pipe 81 is located between the first inlet header pipe portion 31 and the second inlet header pipe portion 32. The heat exchange medium directly enters the heat exchange medium inlet pipe 66 through the connecting pipe 81. For example, it directly enters a common distribution pipe connection section in the middle of the distribution pipe 6, and then enters the first distribution pipe portion 61 and the second distribution pipe portion 62 on both sides of the distribution pipe 6.

[0046] See Figures 4 to 6 , Figure 8 , Figure 9 , in some embodiments of the present invention, the first inlet header pipe portion 31 and the second inlet header pipe portion 32 of the inlet header pipe 3 are two separate inlet header pipe portions. For example, the axis of the first inlet header pipe portion 31 and the axis of the second inlet header pipe portion 32 have a certain included angle. Thus, an installation space is provided between the end of the first inlet header pipe portion 31 and the end of the second inlet header pipe portion 32. See Figures 1 to 3 , in some other embodiments of the present invention, the first inlet header pipe portion 31 and the second inlet header pipe portion 32 of the inlet header pipe 3 are two header pipe portions of an inlet header pipe 3.

[0047] See Figure 1 , Figure 4 , Figures 6 to 8 , in an embodiment of the present invention, the heat exchanger 100 further includes: a plurality of heat exchange tubes 5; and fins 7 arranged alternately with the heat exchange tubes 5. The first ends 51 of the plurality of heat exchange tubes 5 are connected to and in fluid communication with the inlet header pipe 3. See Figures 4 to 9 , the plurality of heat exchange tubes 5 include a first heat exchange tube 5A connected to and in fluid communication with the first inlet header pipe portion 31 of the inlet header pipe 3, and a second heat exchange tube 5B connected to and in fluid communication with the second inlet header pipe portion 32 of the inlet header pipe 3. In the arrangement direction of the heat exchange tubes 5, the first heat exchange tube 5A is located on one side, and the second heat exchange tube 5B is located on the other side.

[0048] See Figure 6, in some embodiments of the present invention, the first end 51 of the first heat exchange tube 5A is bent towards one side in the thickness direction of the heat exchanger 100, or the first end 51 of the second heat exchange tube 5B is bent towards the other side in the thickness direction of the heat exchanger 100, so that the first inlet header part 31 and the second inlet header part 32 of the inlet header 3 are staggered from each other in the thickness direction of the heat exchanger 100. See Figure 7 , in some other embodiments of the present invention, the first end 51 of the first heat exchange tube 5A is bent towards one side in the thickness direction of the heat exchanger 100, and the first end 51 of the second heat exchange tube 5B is bent towards the other side in the thickness direction of the heat exchanger 100, so that the first inlet header part 31 and the second inlet header part 32 of the inlet header 3 are staggered from each other in the thickness direction of the heat exchanger 100. According to this embodiment of the present invention, the heat exchange tubes on the entire windward side can be continuous, and the heat exchange area can be increased.

[0049] See Figure 8 , in an embodiment of the present invention, the first inlet header part 31 and the second inlet header part 32 of the inlet header 3 are staggered from each other in a direction perpendicular to the thickness direction of the heat exchanger 100 and the arrangement direction of the heat exchange tubes 5 (in the Figure 8 vertical direction in Figure 6 and Figure 7 ). Based on the embodiments shown in Figure 7 , the first inlet header part 31 and the second inlet header part 32 of the inlet header 3 are staggered from each other in a direction perpendicular to the thickness direction of the heat exchanger 100 and the arrangement direction of the heat exchange tubes 5 (in the Figure 4 vertical direction in Figure 7 ), or based on the embodiments shown in

[0050] See Figure 6 、 Figure 8 , in an embodiment of the present invention, the connection pipe assembly 8 includes a tee 85 and a connecting pipe 81. The connecting pipe 81 is connected to the heat exchange medium inlet pipe 66 provided on the first inlet header part 31 and the heat exchange medium inlet pipe 66 provided on the second inlet header part 32 through the tee 85, for example, the distribution pipe connection segments of the first distribution pipe part 61 and the second distribution pipe part 62 of the distribution pipe 6.

[0051] See Figure 1 、 Figure 4 、 Figure 6 、Figure 8 , Figure 10 , Figure 11 , in an embodiment of the present invention, the heat exchanger 100 further includes: an outlet header 2, the outlet header 2 is used for the heat exchange medium to flow out of the heat exchanger 100, and the second ends 51 of the plurality of heat exchange tubes 5 are connected to and in fluid communication with the outlet header 2. Refer to Figure 4 , Figure 6 , Figure 8 , Figure 10 , Figure 11 , the outlet header 2 includes a first outlet header portion 21 and a second outlet header portion 22, the first heat exchange tube 5A is connected to and in fluid communication with the first outlet header portion 21 of the outlet header 2, and the second heat exchange tube 5B is connected to and in fluid communication with the second outlet header portion 22 of the outlet header 2. The plurality of heat exchange tubes 5 are arranged in the length direction of the outlet header 2. That is, the first heat exchange tube 5A and the second heat exchange tube 5B are arranged in the length direction of the outlet header 2. The heat exchanger 100 further includes: a first sub-heat exchanger 101 and a second sub-heat exchanger 102. The first sub-heat exchanger 101 includes the first inlet header portion 31, the first distribution pipe portion 61, the first outlet header portion 21 and the first heat exchange tube 5A. The second sub-heat exchanger 102 includes the second inlet header portion 32, the second distribution pipe portion 62, the second outlet header portion 22 and the second heat exchange tube 5B. An included angle is formed between the first sub-heat exchanger 101 and the second sub-heat exchanger 102, and this included angle can be in the range of 45 degrees to 135 degrees. The included angle between the first sub-heat exchanger 101 and the second sub-heat exchanger 102 can be in the range of 85 degrees to 95 degrees. For example, the included angle between the first sub-heat exchanger 101 and the second sub-heat exchanger 102 is about 90 degrees. According to an example of the present invention, as Figure 10 shown, the first outlet header portion 21 and the second outlet header portion 22 of the outlet header 2 are two separate outlet header portions and are connected to each other through an outlet header connecting pipe 25. According to another example of the present invention, as Figure 11 shown, the first outlet header portion 21 and the second outlet header portion 22 of the outlet header 2 are two parts of one outlet header. That is, it is possible to Figure 4 , Figure 6 shown heat exchanger is bent. In the case where the heat exchanger core needs to be bent, it is possible to easily Figure 4 , Figure 6 shown heat exchanger is bent.

[0052] By using the heat exchanger according to the embodiment of the present invention, since the heat exchange medium enters the distribution pipe from the middle of the inlet header, it is beneficial to optimize the distribution of the heat exchange medium and improve the heat exchange efficiency.

[0053] Although the above embodiments are described, some of the features in the above embodiments can be combined to form new embodiments.

[0054] For example, although the inlet manifold is described as including a first inlet manifold portion and a second inlet manifold portion, the inlet manifold can also include three or more portions, and correspondingly, the distribution pipe can also include three or more portions.

Claims

1. A heat exchanger, comprising: An inlet header, the inlet header being for a heat exchange medium to flow into the heat exchanger. The inlet header includes a first inlet header portion and a second inlet header portion, and heat exchange medium inlet pipes respectively provided at adjacent ends of the first inlet header portion and the second inlet header portion and being in fluid communication with the first inlet header portion and the second inlet header portion respectively. The heat exchange medium inlet pipe has an inlet. Wherein, the inlet header further includes: A distribution pipe, the distribution pipe including: a first distribution pipe portion and a second distribution pipe portion. The first distribution pipe portion and the second distribution pipe portion have distribution pipe distribution segments respectively provided in the first inlet header portion and the second inlet header portion and distribution pipe connection segments respectively extending out of the first inlet header portion and the second inlet header portion from the distribution pipe distribution segments. The distribution pipe connection segments form the heat exchange medium inlet pipe.

2. The heat exchanger according to claim 1, wherein: The first inlet header portion and the second inlet header portion respectively have closing plates closing the adjacent ends of the first inlet header portion and the second inlet header portion. The closing plate has a through hole; and The heat exchange medium inlet pipe provided on the first inlet header portion and the heat exchange medium inlet pipe provided on the second inlet header portion respectively extend out through the through holes of the closing plates of the first inlet header portion and the second inlet header portion.

3. The heat exchanger according to claim 2, wherein: The inlet header further includes: an inlet header connection portion connected between the first inlet header portion and the second inlet header portion. The inlet header connection portion and the closing plates of the first inlet header portion and the second inlet header portion together define a transition cavity. The heat exchange medium inlet pipe provided on the first inlet header portion and the heat exchange medium inlet pipe provided on the second inlet header portion respectively extend out through the through holes of the closing plates of the first inlet header portion and the second inlet header portion into the transition cavity. The inlet header connection portion has an opening passing through the pipe wall of the inlet header connection portion, such that the heat exchange medium enters the transition cavity through the opening in the pipe wall of the inlet header connection portion.

4. The heat exchanger according to claim 3, further comprising: A connection pipe assembly, the connection pipe assembly including a connecting pipe, the connecting pipe being connected to the inlet header connection portion and being in fluid communication with the transition cavity through the opening in the pipe wall of the inlet header connection portion.

5. The heat exchanger according to any one of claims 1 to 4, wherein: The heat exchange medium inlet pipe provided on the first inlet header portion and the heat exchange medium inlet pipe provided on the second inlet header portion are connected to each other to form a common heat exchange medium inlet pipe. The inlet of the heat exchange medium inlet pipe is an opening passing through the pipe wall of the common heat exchange medium inlet pipe.

6. The heat exchanger according to any one of claims 1 to 4, wherein: The ends of the heat exchange medium inlet pipes provided on the first inlet header pipe portion and the heat exchange medium inlet pipes provided on the second inlet header pipe portion are spaced apart from each other, and the inlet of the heat exchange medium inlet pipe is the opening at the end of the heat exchange medium inlet pipe.

7. The heat exchanger according to any one of claims 1 to 2, wherein: The heat exchange medium inlet pipes provided on the first inlet header pipe portion and the heat exchange medium inlet pipes provided on the second inlet header pipe portion are connected to each other to form a common heat exchange medium inlet pipe, and the inlet of the heat exchange medium inlet pipe is an opening passing through the pipe wall of the common heat exchange medium inlet pipe; and The heat exchanger further includes a pipe connection assembly, and the pipe connection assembly includes a connecting pipe, and the connecting pipe is connected to the common heat exchange medium inlet pipe and is in fluid communication with the opening in the pipe wall of the common heat exchange medium inlet pipe.

8. The heat exchanger according to claim 1, wherein: The first inlet header pipe portion and the second inlet header pipe portion of the inlet header pipe are two separate inlet header pipe portions.

9. The heat exchanger according to claim 1, wherein: The first inlet header pipe portion and the second inlet header pipe portion of the inlet header pipe are two portions of one inlet header pipe.

10. The heat exchanger according to claim 1, further comprising: A plurality of heat exchange pipes, the first ends of the plurality of heat exchange pipes are connected to and in fluid communication with the inlet header pipe, and the plurality of heat exchange pipes include a first heat exchange pipe connected to and in fluid communication with the first inlet header pipe portion of the inlet header pipe and a second heat exchange pipe connected to and in fluid communication with the second inlet header pipe portion of the inlet header pipe.

11. The heat exchanger according to claim 10, wherein: In the arrangement direction of the heat exchange pipes, the first heat exchange pipe is located on one side, and the second heat exchange pipe is located on the other side.

12. The heat exchanger according to claim 10, wherein: The first end of the first heat exchange pipe is bent towards one side in the thickness direction of the heat exchanger and / or the first end of the second heat exchange pipe is bent towards the other side in the thickness direction of the heat exchanger so that the first inlet header pipe portion and the second inlet header pipe portion of the inlet header pipe are offset from each other in the thickness direction of the heat exchanger.

13. The heat exchanger according to any one of claims 10 to 12, wherein: The first inlet header pipe portion and the second inlet header pipe portion of the inlet header pipe are offset from each other in a direction perpendicular to the thickness direction of the heat exchanger and the arrangement direction of the heat exchange pipes.

14. The heat exchanger according to claim 8, further comprising: A pipe connection assembly, the pipe connection assembly includes a tee pipe and a connecting pipe, and the connecting pipe is connected to the heat exchange medium inlet pipes provided on the first inlet header pipe portion and the heat exchange medium inlet pipes provided on the second inlet header pipe portion through the tee pipe.

15. The heat exchanger according to claim 8, wherein: The axis of the first inlet header pipe portion and the axis of the second inlet header pipe portion have a certain included angle.

16. The heat exchanger according to claim 10, further comprising: An outlet manifold, the outlet manifold being for a heat exchange medium to flow out of a heat exchanger, second ends of the plurality of heat exchange tubes being connected to and in fluid communication with the outlet manifold, the outlet manifold including a first outlet manifold portion and a second outlet manifold portion, a first heat exchange tube being connected to and in fluid communication with the first outlet manifold portion of the outlet manifold, and a second heat exchange tube being connected to and in fluid communication with the second outlet manifold portion of the outlet manifold.

17. The heat exchanger according to claim 16, wherein: The first heat exchange tube and the second heat exchange tube are arranged along the length direction of the outlet manifold.

18. The heat exchanger according to claim 16, further comprising: A first sub-heat exchanger and a second sub-heat exchanger, the first sub-heat exchanger including: the first inlet manifold portion, the first outlet manifold portion, and the first heat exchange tube, the second sub-heat exchanger including: the second inlet manifold portion, the second outlet manifold portion, and the second heat exchange tube, and a certain angle being formed between the first sub-heat exchanger and the second sub-heat exchanger.

19. The heat exchanger according to claim 18, wherein: The angle between the first sub-heat exchanger and the second sub-heat exchanger is in the range of 45 degrees to 135 degrees.

20. The heat exchanger according to claim 16, wherein: The first outlet manifold portion and the second outlet manifold portion of the outlet manifold are two separate outlet manifold portions and are connected to each other through an outlet manifold connecting pipe.

21. The heat exchanger according to claim 16, wherein: The first outlet manifold portion and the second outlet manifold portion of the outlet manifold are two portions of one outlet manifold.

22. The heat exchanger according to claim 1, wherein: The first inlet manifold portion and the second inlet manifold portion respectively have closing plates that close adjacent ends of the first inlet manifold portion and the second inlet manifold portion, the closing plates having through holes; and A heat exchange medium inlet pipe provided on the first inlet manifold portion and a heat exchange medium inlet pipe provided on the second inlet manifold portion are respectively in communication with the through holes of the closing plates of the first inlet manifold portion and the second inlet manifold portion.

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