Cooling module for small light-weight vehicle and manufacturing method

By arranging the air cooler and water cooler side by side in the automotive cooling module, combining the special curved surface design and efficient heat dissipation core, the additive manufacturing SLM process is used to mold it in one go, solving the problems of large space and low heat exchange efficiency of traditional cooling modules, and achieving the effects of miniaturization, lightweight and efficient heat exchange.

CN120191196APending Publication Date: 2025-06-24NAT INST CORP OF ADDITIVE MFG XIAN
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Patent Information

Application Number
CN202311781153.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-12-21
Publication Date
2025-06-24

AI Technical Summary

Technical Problem

Due to the limitations of manufacturing process, traditional automotive cooling modules have large windward area, large space, and low heat exchange efficiency, making it difficult to meet the requirements of Hyundai's improvement of lightweight and environmental protection performance.

Method used

The small and lightweight automotive cooling module is adopted, and the air cooler and water cooler are arranged side by side, combining the special curved surface design and efficient heat dissipation core, which significantly reduces flow resistance and improves heat exchange efficiency. At the same time, the additive manufacturing SLM process is used for one-time molding, reducing manufacturing processes and improving overall performance.

Benefits of technology

The miniaturized and lightweight cooling module is realized, which significantly reduces flow resistance and improves heat exchange efficiency, meets the requirements of modern automobiles for improved lightweight and environmental protection performance, and reduces manufacturing processes and materials use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a cooling module for a small light-weight vehicle and a manufacturing method. An air cooler and a water cooler are arranged in parallel; the air cooler comprises an air cooler left side cavity, an air cooler air inlet pipe, an air cooler right side cavity, an air cooler exhaust pipe, an air cooler pipeline and an air cooler heat dissipation core. The water cooler comprises a water cooler left side cavity, a water cooler air inlet pipe, a water cooler right side cavity, a water cooler exhaust pipe, a water cooler pipeline and a water cooler heat dissipation core. The water cooler left side cavity and the water cooler right side cavity are connected through a water cooler pipeline; a water cooler heat dissipation core body is arranged between the water cooler pipelines; an air cooler air inlet pipe is arranged on the left cavity of the air cooler; an air cooler exhaust pipe is arranged on the cavity on the right side of the air cooler; a water cooler air inlet pipe is arranged on the left cavity of the water cooler; and a water cooler exhaust pipe is arranged on the right cavity of the water cooler.
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Description

Technical Field

[0001] The present invention belongs to the technical field of vehicle systems, and more specifically, to a small and lightweight vehicle cooling module and manufacturing method. Background Art

[0002] With the continuous improvement of environmental protection standards, people's attention to environmental protection has been increasing, and the requirements for vehicle emissions have become more and more stringent. With the intensification of market competition, automobile manufacturers need to continuously improve the environmental performance of their products to attract consumers. Vehicles with excellent performance in emissions can better meet the needs of consumers and improve the competitiveness of products. For every 100 kg reduction in vehicle weight, carbon dioxide emissions can be reduced by about 5 g / km. Therefore, reducing weight can reduce carbon dioxide emissions and is beneficial to environmental protection. At the same time, reducing weight can reduce the burden and wear on various vehicle components, thereby reducing the maintenance frequency and saving maintenance costs. Therefore, the lightweight design of the vehicle body can significantly improve the comprehensive performance and competitiveness of the vehicle.

[0003] The cooling module is an important part of the vehicle cooling system and is generally installed in the front engine compartment of the vehicle. Due to the limitations of traditional manufacturing processes, traditional cooling modules have a large frontal area, occupy a large space, and have low heat transfer efficiency. Summary of the Invention

[0004] In order to solve the problems existing in the prior art, the present invention provides a small and lightweight vehicle cooling module and manufacturing method to overcome the deficiencies of the prior art. The cooling module of the present invention has the characteristics of miniaturization and lightweight, and can meet the existing production requirements.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A small and lightweight vehicle cooling module, comprising an air cooler and a water cooler;

[0007] The air cooler and the water cooler are arranged side by side;

[0008] The air cooler includes a left cavity of the air cooler, an air inlet pipe of the air cooler, a right cavity of the air cooler, an air exhaust pipe of the air cooler, an air cooler pipe, and an air cooler heat dissipation core;

[0009] The water cooler includes a left cavity of the water cooler, a water inlet pipe of the water cooler, a right cavity of the water cooler, a water exhaust pipe of the water cooler, a water cooler pipe, and a water cooler heat dissipation core;

[0010] The left cavity of the air cooler and the left cavity of the water cooler are arranged in the left connection structure, and the right cavity of the air cooler and the right cavity of the water cooler are arranged in the right connection structure; the left cavity and the right cavity of the air cooler are connected by a plurality of air cooler pipes; an air cooler heat dissipation core is arranged between the plurality of air cooler pipes;

[0011] The left cavity and the right cavity of the water cooler are connected by a plurality of water cooler pipes; a water cooler heat dissipation core is arranged between the plurality of water cooler pipes;

[0012] An air cooler inlet pipe is arranged on the left cavity of the air cooler; an air cooler exhaust pipe is arranged on the right cavity of the air cooler;

[0013] A water cooler inlet pipe is arranged on the left cavity of the water cooler; a water cooler exhaust pipe is arranged on the right cavity of the water cooler.

[0014] Preferably, the air cooler and the water cooler are connected by a connecting plate.

[0015] Preferably, a left connecting bracket is installed on the left connection structure, a right connecting bracket is installed on the right connection structure, and the left connecting bracket and the right connecting bracket are composed of a complex rod structure and a grid structure. Among them, the grid structure is an octahedron configuration with a porosity of 30%-50%.

[0016] Furthermore, the angles between the side wall surfaces of the left connecting bracket and the right connecting bracket and the side wall surfaces of the cooling pipes and the horizontal direction are 40°-50°.

[0017] Preferably, the number range of the air cooler pipes is 5-9, and the spacing range is 8-9 mm; the number range of the water cooler pipes is 15-20, and the spacing range is 7-8 mm.

[0018] Preferably, the cooler pipes include straight sections and S-shaped sections, and grid-like heat dissipation cores are distributed on both sides of the S-shaped section of the cooler pipes; the interior of the cooler pipes is divided into flow channels by a "rice" - shaped structure; the wall thickness of the flow channels is not less than 0.4 mm.

[0019] Preferably, the grid structures of the air cooler heat dissipation core and the water cooler heat dissipation core are of the type ">——<", with a double-row X shape on the left side, and there is a rod connecting all the grids in the middle of the two rows of X shapes; the air cooler heat dissipation core and the water cooler heat dissipation core are arranged in the S-shaped sections of the cooler pipes and the water cooler pipes; the cross-section of the grid rod is square or circular, the side length of the square is not less than 0.4 mm, and the diameter of the circle is not less than 0.4 mm.

[0020] Preferably, the air cooler inlet pipe, the air cooler exhaust pipe, the water cooler inlet pipe, and the water cooler exhaust pipe are all composed of a quadrilateral-round transition section and a cylindrical section;

[0021] Part of the walls of the quadrilateral-round transition sections of the air cooler exhaust pipe and the water cooler exhaust pipe are respectively the same horizontal walls as the left wall surfaces of the right cavities of the air cooler and the water cooler.

[0022] Preferably, the overall length range of the cooling module is 500 - 600 mm, the width range is 300 - 400 mm, the thickness range of the air cooler is 50 - 60 mm, and the thickness range of the water cooler is 30 - 40 mm.

[0023] A manufacturing method of a small and lightweight vehicle cooling module includes the following processes. The cooling module adopts the SLM process method of additive manufacturing, and the placement method is that the left connecting bracket is at the bottom and the right connecting bracket is at the top; during manufacturing, support structures need to be added to the left cavity of the air cooler, the air cooler inlet pipe, the left cavity of the water cooler, the left side of the water cooler inlet pipe, and the cylindrical sections of the air cooler inlet pipe, the air cooler exhaust pipe, the water cooler inlet pipe, and the water cooler exhaust pipe to ensure the forming quality; after printing, the printed substrate and the cooling module are separated by wire cutting, and after removing the support, heat treatment is carried out, and the excess powder is removed by blowing and pickling, and the material is aluminum alloy.

[0024] Compared with the prior art, the present invention has the following beneficial technical effects:

[0025] The present invention provides a small and lightweight vehicle cooling module. By adopting the arrangement of the air cooler and the water cooler side by side, a large number of special-shaped curved surfaces are used, effectively reducing the flow resistance and improving the heat exchange efficiency, achieving component integration and miniaturization; the heat dissipation core adopts a grid structure with high heat exchange performance, achieving efficient heat exchange on the premise of ensuring the flow resistance. The cooling module of the present invention adopts the integrated side-by-side arrangement of the air cooler and the water cooler, and adopts the special-shaped curved surface design, significantly reducing the flow resistance and improving the efficiency; the heat dissipation core is parametrically designed, comprehensively considering the flow resistance and the heat exchange performance, and obtaining an excellent heat dissipation core; the cooling module is formed at one time by the additive manufacturing SLM process, effectively reducing the manufacturing process steps and improving the overall performance.

[0026] Furthermore, for the internal flow channels of the air cooler and the water cooler, flow resistance optimization based on additive manufacturing technology is carried out. Under the condition of considering the constraints of the additive manufacturing process, the internal flow channels are optimized, and a special-shaped curved surface structure is adopted, significantly reducing the flow resistance and having manufacturability at the same time. Description of the Drawings

[0027] Figure 1 It is the front view of the cooling module;

[0028] Figure 2 It is a top view of the cooling module;

[0029] Figure 3 It is a side view of the cooling module;

[0030] Figure 4 It is a schematic diagram of the water cooler, air cooler cavity and inlet and outlet pipes;

[0031] Figure 5 It is a front view of the left bracket of the cooling module;

[0032] Figure 6 It is a schematic diagram of the right bracket of the cooling module;

[0033] Figure 7 It is a schematic diagram of the bracket grid structure;

[0034] Figure 8 It is a front view of the S section of the air cooling pipeline;

[0035] Figure 9 It is a front view of the heat dissipation core;

[0036] Figure 10 It is a side view of the heat dissipation core;

[0037] Figure 11 It is a side view of the core grid unit;

[0038] Figure 12 It is a front view of the core grid unit;

[0039] Figure 13 It is a top view of the core grid unit;

[0040] In the drawings: 1 is the air cooler; 2 is the water cooler; 3 is the left connecting bracket; 4 is the right connecting bracket; 5 is the left cavity of the air cooler; 6 is the inlet pipe of the air cooler; 7 is the right cavity of the air cooler; 8 is the exhaust pipe of the air cooler; 9 is the air cooler pipeline; 10 is the heat dissipation core of the air cooler; 11 is the left cavity of the water cooler; 12 is the inlet pipe of the water cooler; 13 is the right cavity of the water cooler; 14 is the exhaust pipe of the water cooler; 15 is the water cooler pipeline; 16 is the heat dissipation core of the water cooler; 17 is the connecting plate; 18 is the left connecting structure; 19 is the right connecting structure. Detailed implementation manners

[0041] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present invention. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0042] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0043] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0044] In the present invention, unless otherwise clearly specified and defined, the terms "mounted", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or a communication connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] In the present invention, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through other features therebetween. Moreover, the first feature being "above", "over", and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "below", "beneath", and "under" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.

[0046] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0047] As Figures 1 to 3 shown, a small and lightweight vehicle cooling module of the present invention includes an air cooler 1 and a water cooler 2.

[0048] The air cooler 1 and the water cooler 2 are arranged side by side; the air cooler 1 and the water cooler 2 are connected by a connecting plate 17.

[0049] The air cooler 1 includes a left cavity 5 of the air cooler, an air inlet pipe 6 of the air cooler, a right cavity 7 of the air cooler, an air exhaust pipe 8 of the air cooler, an air cooler pipe 9, and an air cooler heat dissipation core 10; the water cooler 2 includes a left cavity 11 of the water cooler, a water inlet pipe 12 of the water cooler, a right cavity 13 of the water cooler, a water exhaust pipe 14 of the water cooler, a water cooler pipe 15, and a water cooler heat dissipation core 16.

[0050] The left cavity 5 of the air cooler and the left cavity 11 of the water cooler are arranged in the left connection structure 18, and the right cavity 7 of the air cooler and the right cavity 13 of the water cooler are arranged in the right connection structure 19; the left cavity 5 of the air cooler and the right cavity 7 of the air cooler are connected by a plurality of air cooler pipes 9; an air cooler heat dissipation core 10 is arranged between the plurality of air cooler pipes 9.

[0051] The left cavity 11 of the water cooler and the right cavity 13 of the water cooler are connected by a plurality of water cooler pipes 15; a water cooler heat dissipation core 16 is arranged between the plurality of water cooler pipes 15.

[0052] As Figure 4 shown, an air inlet pipe 6 of the air cooler is arranged on the left cavity 5 of the air cooler; an air exhaust pipe 8 of the air cooler is arranged on the right cavity 7 of the air cooler.

[0053] A water inlet pipe 12 of the water cooler is arranged on the left cavity 11 of the water cooler; a water exhaust pipe 14 of the water cooler is arranged on the right cavity 13 of the water cooler.

[0054] The present invention adopts the arrangement mode of arranging the air cooler and the water cooler side by side, and the water cooler and the air cooler have low flow resistance; the cooling pipes are S-shaped, and the heat exchange efficiency is high; the heat dissipation core has low flow resistance and high heat exchange efficiency. The cooling module structure is designed with self-support, and is integrally formed by the SLM additive manufacturing process, effectively reducing the component volume, manufacturing process and manufacturing time.

[0055] The overall length of the cooling module is 500-600 mm, the width is 300-400 mm, the thickness of the air cooler is 50-60 mm, and the thickness of the water cooler is 30-40 mm.

[0056] According to the heat exchange requirement, the air cooler is composed of 5-9 cooling pipes with a spacing of 8-9 mm; the water cooler is composed of 15-20 cooling pipes with a spacing of 7-8 mm.

[0057] After the inlet and outlet pipes and cavities of the water cooler and the air cooler are optimized, they adopt special-shaped curved surfaces, which greatly reduce the flow resistance.

[0058] The cooler pipe 9 includes a straight section and an S-shaped section. Grid-shaped heat dissipation cores are distributed on both sides of the S-shaped section of the cooling pipe; the cooling pipe is S-shaped, making full use of the design space and increasing the cooling performance while miniaturizing. The pipe wall thickness is not less than 0.4 mm. Among them, there is a "rice" - shaped structure inside the air cooling pipe to enhance the heat exchange effect.

[0059] As Figures 8 to 13 shown, the heat dissipation cores are distributed on both sides of the S section of the cooling pipe. The main view of the grid structure of the core is in the shape of ">——<", and the left view is in the shape of double-row X. There is a rod connecting the middle of the two rows of X. The cross-section of the grid rod is square or circular. The side length of the square is not less than 0.4 mm, and the diameter of the circle is not less than 0.4 mm. Among them, the included angle of the ">——<" shape in the main view is 15° - 45°, and the included angle of the X shape in the left view is 20° - 45°.

[0060] As Figures 5 to 6 shown, a left connection bracket 3 is installed on the left connection structure 18, and a right connection bracket 4 is installed on the right connection structure 19. Through topological optimization design, the left connection bracket 3 and the right connection bracket 4 are composed of a complex rod structure and a grid structure. Among them, as Figure 7 shown, the grid structure is an octahedron configuration, and the porosity is 30% - 50%.

[0061] The angles between the side wall surfaces of the left connection bracket 3 and the right connection bracket 4 and the side wall surface of the cooling pipe and the horizontal direction are 40° - 50°.

[0062] The air cooler inlet pipe 6, the air cooler exhaust pipe 8, the water cooler inlet pipe 12, and the water cooler exhaust pipe 14 are all composed of a quadrilateral - circular transition section and a cylindrical section.

[0063] Part of the wall surfaces of the quadrilateral - circular transition sections of the air cooler exhaust pipe 8 and the water cooler exhaust pipe 14 are respectively the same horizontal wall surfaces as the left wall surfaces of the right cavity of the air cooler and the right cavity 13 of the water cooler.

[0064] The cooling module of the present invention adopts the integrated side-by-side arrangement of the air cooler and the water cooler, and adopts the special-shaped curved surface design, which significantly reduces the flow resistance and improves the efficiency; the heat dissipation core is designed parametrically, comprehensively considering the flow resistance and the heat exchange performance, and an excellent heat dissipation core is obtained; the cooling module is formed by additive manufacturing SLM process in one step, effectively reducing the manufacturing process steps and improving the overall performance.

[0065] Embodiment

[0066] A small and lightweight vehicle cooling module of the present invention mainly consists of an air cooler 1, a water cooler 2, a left connecting bracket 3, a right connecting bracket 4, etc. Among them, the air cooler 1 and the water cooler 2 are arranged side by side; the air cooler 1 is composed of an air cooler left cavity 5, an air cooler intake pipe 6, an air cooler right cavity 7, an air cooler exhaust pipe 8, an air cooler pipe 9, and an air cooler heat dissipation core 10; the water cooler 2 is composed of a water cooler left cavity 11, a water cooler intake pipe 12, a water cooler right cavity 13, a water cooler exhaust pipe 14, a water cooler pipe 15, and a water cooler heat dissipation core 16; the air cooler 1 and the water cooler 2 are connected by a connecting plate 17, and the left connecting structure 18 and the right connecting structure 19 strengthen the structural stability. This structure is integrally formed by the additive manufacturing SLM technology, reducing the manufacturing process and the number of parts, improving the structural stability, and extending the service life.

[0067] The overall length of the cooling module is 500 - 600 mm, the width is 300 - 400 mm, the thickness of the air radiator is 50 - 60 mm, and the thickness of the water radiator is 30 - 40 mm. The air cooler consists of 5 - 9 cooling pipes according to the heat exchange requirements, with a spacing of 8 - 9 mm; the water cooler consists of 15 - 20 cooling pipes according to the heat exchange requirements, with a spacing of 7 - 8 mm. According to the requirements of the heat dissipation amount, the relevant parameters can be adjusted within a range. Generally, increasing the length and width of the cooling module can improve the heat dissipation amount; increasing the number and spacing of the cooling pipes can improve the heat dissipation amount.

[0068] The main view of the grid structure of the core is of the type ">——<", and the left view is of a double - row X type. There is a rod connecting the middle of the two rows of X types. The cross - section of the grid rod is square or circular. The side length of the square is not less than 0.4 mm, and the diameter of the circle is not less than 0.4 mm. Among them, the included angle of the shape ">——<" in the main view is 15° - 45°, and the included angle of the X type in the left view is 20° - 45°. Generally, increasing the included angle can improve the heat exchange amount, but it will increase the wind resistance of the outer flow channel.

[0069] A manufacturing method of a small and lightweight vehicle cooling module includes the following processes. The cooling module adopts the SLM process method of additive manufacturing, and the placement method is that the left connecting bracket 3 is at the bottom and the right connecting bracket 4 is at the top; during manufacturing, support structures need to be added to the left side of the air cooler left cavity 5, the air cooler intake pipe 6, the water cooler left cavity 11, the water cooler intake pipe 12, and the cylindrical sections of the air cooler intake pipe 6, the air cooler exhaust pipe 8, the water cooler intake pipe 12, and the water cooler exhaust pipe 14 to ensure the forming quality; after printing, the printing substrate and the cooling module need to be separated by wire cutting, and after removing the support, heat treatment is carried out, and the excess powder is removed by blowing and pickling. The material is aluminum alloy.

[0070] The foregoing has shown and described the basic principles, main features and advantages of the present invention. For a person skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, in any regard, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced by the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

[0071] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. A person skilled in the art should regard the specification as a whole. The technical solutions in the various embodiments can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art. The above content is only for explaining the technical idea of the present invention and cannot be used to limit the protection scope of the present invention. Any modification made on the basis of the technical solution according to the technical idea proposed by the present invention falls within the protection scope of the claims of the present invention.

Claims

1. A small and lightweight vehicle cooling module, characterized in that, It includes an air cooler (1) and a water cooler (2); The air cooler (1) and the water cooler (2) are arranged side by side; The air cooler (1) includes an air cooler left cavity (5), an air cooler inlet pipe (6), an air cooler right cavity (7), an air cooler exhaust pipe (8), an air cooler pipe (9), and an air cooler heat dissipation core (10); The water cooler (2) includes a water cooler left cavity (11), a water cooler inlet pipe (12), a water cooler right cavity (13), a water cooler exhaust pipe (14), a water cooler pipe (15), and a water cooler heat dissipation core (16); The air cooler left cavity (5) and the water cooler left cavity (11) are arranged in a left connection structure (18), and the air cooler right cavity (7) and the water cooler right cavity (13) are arranged in a right connection structure (19); The air cooler left cavity (5) and the air cooler right cavity (7) are connected by a plurality of air cooler pipes (9); An air cooler heat dissipation core (10) is arranged between the plurality of air cooler pipes (9); The water cooler left cavity (11) and the water cooler right cavity (13) are connected by a plurality of water cooler pipes (15); A water cooler heat dissipation core (16) is arranged between the plurality of water cooler pipes (15); An air cooler inlet pipe (6) is arranged on the air cooler left cavity (5); An air cooler exhaust pipe (8) is arranged on the air cooler right cavity (7); A water cooler inlet pipe (12) is arranged on the water cooler left cavity (11); A water cooler exhaust pipe (14) is arranged on the water cooler right cavity (13).

2. The small lightweight vehicle cooling module according to claim 1, characterized in that The air cooler (1) and the water cooler (2) are connected by a connecting plate (17).

3. The small and lightweight vehicle cooling module according to claim 1, wherein A left connecting bracket (3) is installed on the left connecting structure (18), and a right connecting bracket (4) is installed on the right connecting structure (19). The left connecting bracket (3) and the right connecting bracket (4) are composed of a complex rod structure and a grid structure. Among them, the grid structure is an octahedron configuration, and the porosity is 30%-50%.

4. The small lightweight vehicle cooling module according to claim 3, wherein, The angles between the side wall surfaces of the brackets of the left connecting bracket (3) and the right connecting bracket (4) and the side wall surfaces of the cooling pipes with the horizontal direction are 40°-50°.

5. A small lightweight vehicle cooling module according to claim 1, characterized in that, The number range of the air cooler pipes (9) is 5-9, and the spacing range is 8-9 mm; The number range of the water cooler pipes (15) is 15-20, and the spacing range is 7-8 mm.

6. The small and lightweight vehicle cooling module according to claim 1, wherein, The cooler pipe (9) includes a straight section and an S-shaped section. Grid-like heat dissipation cores are distributed on both sides of the S-shaped section cooling pipe; The internal flow path of the cooler pipe (9) is divided by a "rice" - shaped structure; The wall thickness of the flow path is not less than 0.4 mm.

7. A small lightweight vehicle cooling module according to claim 1, characterized in that, The grid structures of the air cooler heat dissipation core (10) and the water cooler heat dissipation core (16) are of the type ">——<", with a double-row X type on the left side, and there is a rod connecting all grids in the middle of the two rows of X types; the air cooler heat dissipation core (10) and the water cooler heat dissipation core (16) are arranged in the S-shaped sections of the cooler pipe (9) and the water cooler pipe (15); the cross-section of the grid rod is square or circular, the side length of the square is not less than 0.4 mm, and the diameter of the circle is not less than 0.4 mm.

8. A small lightweight vehicle cooling module according to claim 1, characterized in that, The air cooler inlet pipe (6), the air cooler exhaust pipe (8), the water cooler inlet pipe (12), and the water cooler exhaust pipe (14) are all composed of a quadrilateral-round transition section and a cylindrical section; Part of the wall surfaces of the quadrilateral-round transition sections of the air cooler exhaust pipe (8) and the water cooler exhaust pipe (14) are respectively the same horizontal wall surface as the right side cavity of the air cooler and the left wall surface of the water cooler right side cavity (13).

9. The small and lightweight vehicle cooling module according to claim 1, characterized in that, The overall length range of the cooling module is 500 - 600 mm, the width range is 300 - 400 mm, the thickness range of the air cooler (1) is 50 - 60 mm, and the thickness range of the water cooler (2) is 30 - 40 mm.

10. A manufacturing method of a small and lightweight vehicle cooling module, characterized in that, It includes the following process. The cooling module adopts the SLM process method of additive manufacturing, and the placement method is that the left connecting bracket (3) is at the bottom and the right connecting bracket (4) is at the top; during manufacturing, support structures need to be added to the left side of the left side cavity (5) of the air cooler, the air cooler inlet pipe (6), the left side cavity (11) of the water cooler, the water cooler inlet pipe (12), and the cylindrical sections of the air cooler inlet pipe (6), the air cooler exhaust pipe (8), the water cooler inlet pipe (12), and the water cooler exhaust pipe (14) to ensure the forming quality; After printing, the printed substrate and the cooling module are separated by wire cutting, heat treatment is carried out after removing the support, and the excess powder is removed by blowing and pickling. The material is aluminum alloy.