A new heat exchanger

Abstract

The utility model provides a novel heat exchanger, including first side plate, second side plate, first heat exchange subassembly, second heat exchange subassembly, second side plate has a plurality of long hole and extension portion who sets up through, first heat exchange subassembly is placed between first side plate and second side plate, first heat exchange subassembly includes first heat exchange pipe, first fin, first connecting pipe, the end face of extension portion has opening slot, and extension portion forms island board through two opening slots, and extension portion still includes the convex that extends to the inner wall side of island board towards second extension portion, and the convex is placed in the inside of the bending end of first heat exchange pipe. The utility model discloses a novel heat exchanger improves the stability of first heat exchange subassembly, second heat exchange subassembly installation fixed, guarantees the higher heat exchange area or multiple heat exchange function in limited space simultaneously, makes heat exchange pipe installation have good stability, guarantees the stress of heat exchanger even, thereby guarantees the heat exchange efficiency and service life of heat exchanger.

Description

Technical Field

[0001] This utility model relates to the field of heat exchange, and in particular to a novel heat exchanger. Background Technology

[0002] In the existing field of heat exchange, heat exchangers are the core components for heat exchange in products, and their performance and reliability directly affect the energy efficiency and service life of the entire system. Hydrophobic heat exchangers, as one of the commonly used types of heat exchangers, are typically used to condense high-temperature, high-pressure refrigerant vapor into liquid in refrigeration systems, releasing heat. Their main goal is to remove the condensate formed by the refrigerant as quickly as possible, thereby ensuring high heat exchange efficiency. Therefore, it is necessary to ensure the stability of the heat exchanger to guarantee its efficiency. During the design and assembly of heat exchangers, due to the certain length of the heat exchange tubes and considering the overall structural assembly, side plates are usually installed at both ends to centrally fix the heat exchange tubes into a unified heat exchange module. This also ensures a larger heat exchange area within a limited space, improving heat exchange efficiency. However, in related technologies, the design of heat exchangers suffers from insufficient structural robustness, making them prone to loosening during installation, use, and transportation. This leads to uneven stress on the heat exchange tubes, easily causing friction and collisions, affecting the stability, heat exchange efficiency, and product lifespan of the heat exchanger.

[0003] Therefore, it is necessary to provide a new type of heat exchanger to overcome the defects mentioned above. Utility Model Content

[0004] The purpose of this utility model is to provide a new type of heat exchanger that improves the robustness and stability of the heat exchanger through reasonable structural design, ensures good stress distribution, reduces deformation or damage, and thus guarantees the heat exchange effect of the heat exchanger.

[0005] According to one aspect of the present invention, a novel heat exchanger is provided, comprising a first side plate, a second side plate, a first heat exchange component, and a second heat exchange component. The first side plate has a plurality of through-hole circular holes. The second side plate is arranged parallel to the first side plate and has a plurality of through-hole elongated holes and a plurality of extensions extending outward from the outer periphery of the elongated holes toward a side away from the first side plate. The first heat exchange component is disposed between the first side plate and the second side plate, with one end of the first heat exchange component located in a circular hole and the other end of the first heat exchange component located in an extension. The second heat exchange component is disposed adjacent to the first heat exchange component and has a larger volume than the first heat exchange component. The second heat exchange component is disposed between the first side plate and the second side plate, with one end of the second heat exchange component located in a circular hole and the other end of the second heat exchange component located in an extension.

[0006] The first heat exchange assembly includes a first heat exchange tube disposed between a first side plate and a second side plate, a first fin sleeved on the first heat exchange tube, and a first connecting pipe connected to the port of the first heat exchange tube. The first heat exchange tube is U-shaped, and the port of the first heat exchange tube is opened through a circular hole facing the side of the first side plate away from the second side plate. The bent end of the first heat exchange tube is located in an extension. The end face of the extension has two spaced-apart opening slots. The extension forms an island plate with a disconnected area from the main body of the extension through the two opening slots. The extension also includes a protrusion extending from the inner wall of the island plate towards the second extension. The protrusion is located inside the bent end of the first heat exchange tube. The first heat exchange assembly and the second heat exchange assembly are limited by the protrusion and the second side plate.

[0007] The above solution can improve the stability of the installation and fixing of the first and second heat exchange components, ensuring a higher heat exchange area or multiple heat exchange functions in a limited space, while also ensuring good stability of the heat exchange tube installation, ensuring uniform stress on the heat exchanger, and reducing damage to the heat exchanger caused by friction and collision during installation, use, and transportation, thereby ensuring the heat exchange efficiency and service life of the heat exchanger.

[0008] Preferably, the elongated hole includes a first main elongated hole and a first auxiliary elongated hole; the extension includes a first extension extending from the outer periphery of the first main elongated hole toward the side away from the first side plate, and a second extension extending from the outer periphery of the first auxiliary elongated hole toward the side away from the first side plate; an opening groove is placed on the end face of the second extension, and the second extension forms an island plate with a disconnected area from the main body of the second extension through the two opening grooves; the protrusion includes a first protrusion placed on the inner wall side of the island plate facing the second extension, the first protrusion being placed inside the bent end of the first heat exchange tube, and the first heat exchange tube being placed in the second extension and limited by the first protrusion, thereby limiting the first heat exchange assembly and the second side plate. This solution helps to better limit and protect the heat exchange tube, preventing deformation of the heat exchange tube due to external forces. At the same time, by designing a protrusion in the second extension, the second side plate is prevented from detaching from the first heat exchange assembly, improving the stability of the heat exchange assembly.

[0009] Preferably, the second side plate has a rectangular structure, with the long side extending in the first direction and the short side extending in the second direction. The first main elongated holes include at least four that form a certain angle with the first direction and are arranged equidistantly along the first direction. The first auxiliary elongated holes are arranged adjacent to the first main elongated holes, and include at least two that are arranged equidistantly along the first direction. This design ensures a reasonable arrangement of heat exchange tubes within a limited space, improving heat exchange efficiency.

[0010] Preferably, the first main elongated holes include six arranged in sequence along the first direction; the first auxiliary elongated holes include three arranged in sequence along the first direction. The above solution improves the heat exchange efficiency and the utilization rate of the space structure.

[0011] Preferably, the second heat exchange assembly comprises a second heat exchange tube arranged between the first side plate and the second side plate, second fins sleeved on the second heat exchange tube, and a second connecting pipe connected to the port of the second heat exchange tube. The second heat exchange tube is arranged in a U-shape, the port of the second heat exchange tube penetrates through the circular hole and opens toward the side of the first side plate away from the second side plate, and the bent end of the second heat exchange tube is arranged in the extension portion. The above solution prevents the second side plate from separating from the second heat exchange assembly, and helps to improve the stability of the overall structure of the heat exchanger.

[0012] Preferably, the elongated holes further comprise second main elongated holes and second auxiliary elongated holes arranged adjacent to the first auxiliary elongated holes. The second main elongated holes include at least two columns arranged along the first direction and aligned along the second direction, and each column includes at least two second main elongated holes. The second auxiliary elongated holes are arranged adjacent to the second main elongated holes, and the second auxiliary elongated holes include at least two holes arranged along the first direction and equidistantly aligned along the first direction.

[0013] Preferably, the second main elongated holes include three columns aligned along the second direction, each column includes three second main elongated holes arranged along the first direction, the second main elongated holes in the first column and the second column are arranged in a staggered manner, which helps to improve the heat exchange efficiency; the second auxiliary elongated holes include three arranged along the first direction.

[0014] Preferably, the extension portion further comprises a third extension portion extending from the outer periphery of the second main elongated hole toward the side away from the first side plate, and a fourth extension portion extending from the outer periphery of the second auxiliary elongated hole toward the side away from the first side plate. The third extension portion has the same structure as the first extension portion; the fourth extension portion has the same structure as the second extension portion; the protrusion further comprises a second protrusion arranged on the fourth extension portion, and the second protrusion is arranged on the inner side of the bent end of the second heat exchange tube.

[0015] Preferably, the first connecting pipe comprises a first short connecting pipe and at least one first long connecting pipe, and the height of the first long connecting pipe is greater than the height of the first short connecting pipe. The above solution facilitates the installation of the heat exchanger structure and the heat exchange.

[0016] Preferably, the length L1 of the protrusion along the second direction and the width L2 of the elongated hole satisfy: 0.2×L2<L1<0.5×L2. The above solution helps to better limit the positions of the first heat exchange tube and the second heat exchange tube while ensuring smooth installation.

[0017] Preferably, the distance along the second direction between the center of the first auxiliary elongated hole and the center of the second main elongated hole closest to the first auxiliary elongated hole is H1, the distance along the second direction between two adjacent second main elongated holes is H2, and H1 and H2 satisfy: H1>H2. Through the above solution, a certain heat exchange space can be provided between the first heat exchange assembly and the second heat exchange assembly, improving the heat exchange efficiency.

[0018] Preferably, the outer diameter Φ1 of the first heat exchange tube and the width L2 of the first auxiliary elongated hole satisfy: 0.8×L2<Φ1<L2. The above solution helps prevent the second side plate from detaching from the heat exchange tube, and improves the stability of the heat exchanger.

[0019] Preferably, the width B1 of the island plate along the first direction and the width B2 of the opening groove along the first direction satisfy: 0.15<B2 / B1<0.95. The above solution helps ensure the structural stability of the island plate, and reduces the probability of deformation of the island plate during the installation process.

[0020] Preferably, the first side plate further includes a spacing hole disposed between the first heat exchange assembly and the second heat exchange assembly. The above solution helps provide a certain heat exchange space for the first heat exchange assembly and the second heat exchange assembly.

[0021] Preferably, the first heat exchange assembly further comprises a first distribution pipe connected to the first heat exchange tube for medium circulation, and a second distribution pipe connected to the first heat exchange tube for medium circulation. The medium enters through the first distribution pipe, passes through the reciprocating flow channel formed by the heat exchange tubes and the connecting pipes, and then flows out from the second distribution pipe, or the medium enters through the second distribution pipe, passes through the reciprocating flow channel formed by the heat exchange tubes and the connecting pipes, and then flows out from the first distribution pipe.

[0022] Preferably, the second heat exchange assembly further comprises a third distribution pipe connected to the second heat exchange tube section for medium circulation, and a fourth distribution pipe connected to the second heat exchange tube for medium circulation. The medium enters through the third distribution pipe, passes through the reciprocating flow channel formed by the heat exchange tubes and the connecting pipes, and then flows out from the fourth distribution pipe, or the medium enters through the fourth distribution pipe, passes through the reciprocating flow channel formed by the heat exchange tubes and the connecting pipes, and then flows out from the third distribution pipe.

[0023] The novel heat exchanger provided by the utility model improves the stability of mounting and fixing the first heat exchange assembly and the second heat exchange assembly, ensures a higher heat exchange area or multiple heat exchange functions in a limited space, enables the heat exchange tubes to be mounted with good stability, ensures uniform stress on the heat exchanger, reduces the damage to the heat exchanger caused by friction and collision during installation, use and transportation, thereby ensuring the heat exchange efficiency and service life of the heat exchanger. Brief Description of the Drawings

[0024] The utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments: Figure 1This is a schematic diagram of the heat exchanger. Figure 2 for Figure 1 A front view of a partial structure from the perspective of the heat exchanger; Figure 3 This is a front view of the second side panel; Figure 4 This is a three-dimensional schematic diagram of the second side panel; Figure 5 for Figure 3 A magnified view of a portion of position A in the middle; Figure 6 This is a schematic diagram of the extension. Figure 7 This is a schematic diagram showing the first heat exchange tube placed in the extension section.

[0025] Explanation of icon numbers: 10. Second heat exchange assembly; 20. First heat exchange assembly; 30. First side plate; 40. Second side plate; 41. Elongated hole; 42. Extension; 43. Protrusion; 44. Opening groove; 45. Island plate; 101. First heat exchange tube; 102. First connecting tube; 1021. First short connecting tube; 1022. First long connecting tube; 103. First piping; 104. Second piping; 105. First fin; 201. Third piping; 202. Fourth piping; 2 03. Second heat exchange tube; 204. Second connecting tube; 205. Second fin; 301. Circular hole; 302. Spacing hole; 411. First main elongated hole; 412. First auxiliary elongated hole; 413. Second main elongated hole; 414. Second auxiliary elongated hole; 421. First extension; 422. Second extension; 423. Third extension; 424. Fourth extension; 431. First protrusion; 432. Second protrusion; x, first direction; y, second direction. Detailed Implementation

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] To keep the drawings concise, only the parts relevant to this invention are shown schematically in each figure, and they do not represent the actual structure of the product. Furthermore, for ease of understanding, in some figures, only one of the components with the same structure or function is schematically depicted, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one."

[0028] It should also be further understood that the term “and / or” as used in this application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0029] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0031] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the specific implementation methods of this utility model will be described below with reference to the accompanying drawings. Obviously, the drawings described below are merely some embodiments of this utility model. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without any creative effort.

[0032] See Figures 1 to 7 As shown, this embodiment provides a novel heat exchanger, including a first side plate 30, a second side plate 40, a first heat exchange assembly 20, and a second heat exchange assembly 10; the first side plate 30 has a plurality of through circular holes 301, the second side plate 40 is arranged parallel to the first side plate 30, the second side plate 40 has a plurality of through elongated holes 41 and a plurality of extensions 42 extending along the outer periphery of the elongated holes 41 toward the side away from the first side plate 30; The first heat exchange component 20 is placed between the first side plate 30 and the second side plate 40. One end of the first heat exchange component 20 is placed in the circular hole 301, and the other end of the first heat exchange component 20 is placed in the extension 42. The second heat exchange component 10 is arranged adjacent to the first heat exchange component 20 and its volume is larger than that of the first heat exchange component 20. The second heat exchange component 10 is placed between the first side plate 30 and the second side plate 40. One end of the second heat exchange component 10 is placed in the circular hole 301, and the other end of the second heat exchange component 10 is placed in the extension 42. The first heat exchange assembly 20 includes a first heat exchange tube 101 disposed between a first side plate 30 and a second side plate 40, a first fin 105 sleeved on the first heat exchange tube 101, and a first connecting pipe 102 connected to the port of the first heat exchange tube 101. The first heat exchange tube 101 is U-shaped, and the port of the first heat exchange tube 101 is opened through a circular hole 301 facing the side of the first side plate 30 away from the second side plate 40. The bent end of the first heat exchange tube 101 is located in the extension portion 42. The first heat exchange assembly 20 also includes a first piping 103 connected to the first heat exchange tube 101 for medium flow and a second piping 104 connected to the first heat exchange tube 101 for medium flow. The medium enters the reciprocating flow channel formed by the heat exchange tube and the connecting pipe through the first piping 103 and then flows out through the second piping 104, or the medium enters the reciprocating flow channel formed by the heat exchange tube and the connecting pipe through the second piping 104 and then flows out through the first piping 103.

[0033] The end face of the extension 42 has two spaced opening slots 44. The extension 42 forms an island plate 45 with a disconnected area from the main body of the extension 42 through the two opening slots 44. The extension 42 also includes a protrusion 43 that extends from the island plate 45 toward the inner wall of the second extension 422. The protrusion 43 is located inside the bent end of the first heat exchange tube 101. The protrusion 43 and the second side plate 40 are used to limit the movement, thereby improving the stability of the installation and fixation of the first heat exchange assembly 20.

[0034] See Figure 1 and Figure 2 As shown, the first side plate 30 also includes a spacer hole 302 placed between the first heat exchange component 20 and the second heat exchange component 10, which helps to ensure that the first heat exchange component 20 and the second heat exchange component 10 have a certain heat exchange space.

[0035] The second heat exchange assembly 10 includes a second heat exchange tube 203 disposed between the first side plate 30 and the second side plate 40, a second fin 205 sleeved on the second heat exchange tube 203, and a second connecting pipe 204 connected to the port of the second heat exchange tube 203. The second heat exchange tube 203 is U-shaped, and its port is opened through a circular hole 301 facing the side of the first side plate 30 away from the second side plate 40. The bent end of the second heat exchange tube 203 is located in the extension portion 42 to prevent the second side plate 40 from detaching from the second heat exchange assembly 10 and to improve the overall stability of the heat exchanger structure. The second heat exchange assembly 10 also includes a third piping 201 connected to the second heat exchange tube 203 for medium flow and a fourth piping 202 connected to the second heat exchange tube 203 for medium flow. The medium enters the reciprocating flow channel formed by the heat exchange tube and the connecting tube through the third pipe 201 and then flows out through the fourth pipe 202, or the medium enters the reciprocating flow channel formed by the heat exchange tube and the connecting tube through the fourth pipe 202 and then flows out through the third pipe 201.

[0036] The first connecting pipe 102 includes a first short connecting pipe 1021 and at least one first long connecting pipe 1022. The height of the first long connecting pipe 1022 is greater than the height of the first short connecting pipe 1021, which helps in the installation and heat exchange of the heat exchanger structure.

[0037] See Figure 3 As shown, the second side plate 40 has a rectangular structure. With the long side of the second side plate 40 extending in the first direction x and the short side of the second side plate 40 extending in the second direction y, the elongated hole 41 includes a first main elongated hole 411, a first auxiliary elongated hole 412, a second main elongated hole 413, and a second auxiliary elongated hole 414.

[0038] The first main elongated hole 411 includes at least four holes that are arranged at a certain angle to the first direction x and are equidistant from each other along the first direction x. Specifically, the first main elongated hole 411 includes six holes that are arranged in sequence along the first direction x. The first auxiliary elongated hole 412 is arranged adjacent to the first main elongated hole 411. The first auxiliary elongated hole 412 includes at least two holes that are arranged along the first direction x and are equidistant from each other along the first direction x. Specifically, the first auxiliary elongated hole 412 includes three holes that are arranged in sequence along the first direction x. This arrangement can ensure that the heat exchange tubes are reasonably arranged in a limited space, thereby improving the heat exchange efficiency and the utilization rate of the space structure.

[0039] The second main elongated hole 413 is disposed adjacent to the first auxiliary elongated hole 412. The second main elongated hole 413 includes at least two columns arranged along the first direction x and along the second direction y. Specifically, the second main elongated hole 413 includes three columns arranged along the second direction y. Each column includes at least two second main elongated holes 413. Specifically, each column includes three second main elongated holes 413 arranged along the first direction x. The second main elongated holes 413 in the first column and the second column are staggered, which helps to improve heat exchange efficiency. The second auxiliary elongated hole 414 is disposed adjacent to the second main elongated hole 413. The second auxiliary elongated hole 414 includes at least two arranged along the first direction x and equidistantly arranged along the first direction x. Specifically, the second auxiliary elongated hole 414 includes three arranged along the first direction x.

[0040] The distance between the center of the first auxiliary elongated hole 412 and the center of the second main elongated hole 413 closest to the first auxiliary elongated hole 412 along the second direction y is H1, and the distance between two adjacent second main elongated holes 413 along the second direction y is H2. H1 and H2 satisfy: H1>H2, so that the first heat exchange component 20 and the second heat exchange component 10 have a certain heat exchange space, thereby improving the heat exchange efficiency.

[0041] See Figure 4 and Figure 5As shown, the extension portion 42 includes a first extension portion 421 extending from the outer periphery of the first main elongated hole 411 toward the side away from the first side plate 30, a second extension portion 422 extending from the outer periphery of the first auxiliary elongated hole 412 toward the side away from the first side plate 30, a third extension portion 423 extending from the outer periphery of the second main elongated hole 413 toward the side away from the first side plate 30, and a fourth extension portion 424 extending from the outer periphery of the second auxiliary elongated hole 414 toward the side away from the first side plate 30. The third extension portion 423 has the same structure as the first extension portion 421; the fourth extension portion 424 has the same structure as the second extension portion 422.

[0042] The open slots 44 are arranged on the end face of the second extension portion 422, and the second extension portion 422 forms an island plate 45 having a disconnected region with the main body of the second extension portion 422 through the two open slots 44. The protrusion 43 includes a first protrusion 431 arranged on the inner wall side of the island plate 45 facing the second extension portion 422. The first protrusion 431 is arranged on the inner side of the bent end of the first heat exchange tube 101, and the first heat exchange tube 101 is arranged on the second extension portion 422 and limited by the first protrusion 431, so that the limiting of the first heat exchange assembly 20 and the second side plate 40 is realized, which is helpful for better limiting and protecting the heat exchange tubes, preventing the heat exchange tubes from deforming under the influence of external force. At the same time, by designing the protrusion 43 on the second extension portion 422, the second side plate 40 is prevented from separating from the first heat exchange assembly 20, and the stability of the heat exchange assembly is improved. The protrusion 43 further includes a second protrusion 432 arranged on the fourth extension portion 424, and the second protrusion 432 is arranged on the inner side of the bent end of the second heat exchange tube 203.

[0043] See Figure 6 As shown, the length L1 of the protrusion 43 along the second direction y and the width L2 of the elongated hole 41 satisfy: 0.2×L2<L1<0.5×L2, which helps to better limit the first heat exchange tube 101 and the second heat exchange tube 203 while ensuring smooth installation.

[0044] See Figure 7 As shown, the outer diameter Φ1 of the first heat exchange tube 101 and the width L2 of the first auxiliary elongated hole 412 satisfy: 0.8×L2<Φ1<L2, which prevents the separation of the second side plate 40 and the first heat exchange tube 101, and improves the stability of the heat exchanger.

[0045] The width B1 of the island plate 45 along the first direction x and the width B2 of the open slot 44 along the first direction x satisfy: 0.15<B2 / B1<0.95, which ensures the structural stability of the island plate 45 and reduces the probability of deformation of the island plate 45 during the installation process.

[0046] This utility model provides a novel heat exchanger that improves the stability of the installation and fixing of the first heat exchange component and the second heat exchange component, ensuring a higher heat exchange area or multiple heat exchange functions in a limited space, while making the installation of the heat exchange tubes have good stability, ensuring uniform stress on the heat exchanger, and reducing the damage to the heat exchanger caused by friction and collision during installation, use and transportation, thereby ensuring the heat exchange efficiency and service life of the heat exchanger.

[0047] It will be apparent to those skilled in the art that various modifications and variations can be made to the exemplary embodiments of the present invention without departing from the spirit and scope of the present invention. Therefore, it is intended that the present invention cover modifications and variations falling within the scope of the appended claims and their equivalents.

Claims

1. A novel heat exchanger, characterized in that, include: A first side plate, the first side plate having a plurality of through circular holes; The second side plate is arranged parallel to the first side plate. The second side plate has a plurality of through elongated holes and a plurality of extensions extending outward from the outer periphery of the elongated holes toward the side away from the first side plate. A first heat exchange component is placed between the first side plate and the second side plate, with one end of the first heat exchange component placed in the circular hole and the other end of the first heat exchange component placed in the extension. The second heat exchange component is arranged adjacent to the first heat exchange component and has a larger volume than the first heat exchange component. The second heat exchange component is placed between the first side plate and the second side plate. One end of the second heat exchange component is placed in the circular hole, and the other end of the second heat exchange component is placed in the extension. The first heat exchange assembly includes a first heat exchange tube disposed between the first side plate and the second side plate, a first fin sleeved on the first heat exchange tube, and a first connecting pipe connected to the port of the first heat exchange tube. The first heat exchange tube is U-shaped, and the port of the first heat exchange tube is opened through the circular hole on the side of the first side plate away from the second side plate. The bent end of the first heat exchange tube is located in the extension. The end face of the extension has two spaced-apart openings. The extension forms an island plate with a disconnected area from the main body of the extension through the two openings. The extension also includes a protrusion that extends from the island plate toward the inner wall of the second extension. The protrusion is located inside the bent end of the first heat exchange tube. The first heat exchange component and the second heat exchange component are limited by the protrusion and the second side plate.

2. The novel heat exchanger as described in claim 1, characterized in that, The elongated hole includes a first main elongated hole and a first auxiliary elongated hole; the extension includes a first extension extending from the outer periphery of the first main elongated hole toward the side away from the first side plate, and a second extension extending from the outer periphery of the first auxiliary elongated hole toward the side away from the first side plate; the opening groove is located on the end face of the second extension, and the second extension forms an island plate with a disconnected area from the main body of the second extension through the two opening grooves; the protrusion includes a first protrusion located on the inner wall side of the island plate toward the second extension, the first protrusion being located inside the bent end of the first heat exchange tube, and the first heat exchange tube being positioned in the second extension by being limited by the first protrusion, thereby limiting the first heat exchange component and the second side plate.

3. The novel heat exchanger as described in claim 2, characterized in that, The second side plate has a rectangular structure, with the long side of the second side plate extending in the first direction and the short side of the second side plate extending in the second direction. The first main elongated hole includes at least four holes that are arranged at a certain angle to the first direction and are equidistant from each other along the first direction. The first auxiliary elongated hole is arranged adjacent to the first main elongated hole and includes at least two holes that are arranged along the first direction and are equidistant from each other along the first direction.

4. The novel heat exchanger as described in claim 3, characterized in that, The second heat exchange assembly includes a second heat exchange tube disposed between the first side plate and the second side plate, a second fin sleeved on the second heat exchange tube, and a second connecting pipe connected to the port of the second heat exchange tube. The second heat exchange tube is U-shaped, and the port of the second heat exchange tube is opened through the circular hole on the side of the first side plate away from the second side plate. The bent end of the second heat exchange tube is located in the extension.

5. The novel heat exchanger as described in claim 4, characterized in that, The elongated hole further includes a second main elongated hole and a second auxiliary elongated hole arranged adjacent to the first auxiliary elongated hole. The second main elongated hole includes at least two columns arranged along a first direction and along a second direction, with at least two second main elongated holes in each column. The second auxiliary elongated hole is arranged adjacent to the second main elongated hole, and the second auxiliary elongated hole includes at least two arranged along a first direction and equidistantly along the first direction.

6. The novel heat exchanger as described in claim 5, characterized in that, The extension also includes a third extension extending from the outer periphery of the second main elongated hole toward the side away from the first side plate, and a fourth extension extending from the outer periphery of the second auxiliary elongated hole toward the side away from the first side plate. The third extension has the same structure as the first extension. The fourth extension has the same structure as the second extension. The protrusion also includes a second protrusion located in the fourth extension. The second protrusion is located inside the bent end of the second heat exchange tube.

7. The novel heat exchanger as described in claim 6, characterized in that, The first connecting pipe includes a first short connecting pipe and at least one first long connecting pipe, wherein the height of the first long connecting pipe is greater than the height of the first short connecting pipe.

8. The novel heat exchanger as described in claim 6 or 7, characterized in that, The length L1 of the protrusion along the second direction and the width L2 of the elongated hole satisfy: 0.2 × L2 <L1<0.5×L2。 9. The novel heat exchanger as described in claim 8, characterized in that, The distance H1 between the center of the first auxiliary elongated hole and the center of the second main elongated hole closest to the first auxiliary elongated hole along the second direction, and the distance H2 between two adjacent second main elongated holes along the second direction, satisfying H1 > H2; the outer diameter Φ1 of the first heat exchange tube and the width L2 of the first auxiliary elongated hole satisfying 0.8 × L2 < Φ1. <L2。 10. The novel heat exchanger as described in claim 9, characterized in that, The width B1 of the island plate along the first direction and the width B2 of the opening slot along the first direction satisfy: 0.15 <B2 / B1<0.95。

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