Fin assembly and liquid cooling plate

Abstract

The utility model provides a fin assembly and a liquid cooling plate, the fin assembly comprises a plurality of fins which are arranged in parallel, a circulation gap is defined between any two adjacent fins, and each fin is provided with a first surface and a second surface which are arranged back to back; and the plurality of turbulent flow structures are arranged on each fin at intervals, each turbulent flow structure comprises a bulge and a groove, the bulge protrudes towards the inside of the circulation gap from the first surface, and the groove is formed in the position, back to the bulge, of the second surface. The fin assembly solves the problems that in the prior art, a fin assembly lacks an effective turbulent flow structure, and the heat exchange effect is poor.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal management, in particular to a fin assembly and a liquid cooling plate. Background Art

[0002] With the booming development of the new energy vehicle industry, liquid cooling technology has become a core technology to ensure the efficient operation and long-term reliability of key components such as battery packs, electric drive systems, battery management systems (Battery Management System) and motor controllers (Motor Controller Unit). Among them, the liquid cooling plate, as the core component of the thermal management system, greatly increases the heat exchange area through the built-in fin structure, optimizes the fluid dynamics characteristics, and thus enhances the heat dissipation efficiency. Existing fin structures, such as wave-type, buckle-type, and shovel-tooth type, each have their own application scenarios and limitations. The wave-type fins are designed by staggered arrangement to introduce a turbulence effect, trying to break the smooth flow state of the mainstream channel and promote heat exchange. However, this design does not perform well in the face of growing thermal management needs, especially in scenarios that require extremely high heat exchange efficiency.

[0003] Specifically, although the wave-shaped fins achieve preliminary fluid disturbance through staggered arrangement, their structure itself has limited effect on the change of fluid flow direction and fails to fully stir the coolant, resulting in local hot spots and heat transfer efficiency bottlenecks. Although the snap-fit ​​and wave-shaped fins have shown good adaptability in the internal layout of brazed products, the lack of a more efficient fluid disturbance mechanism has prevented the full exploitation of the heat exchange potential under high heat flux conditions.

[0004] It can be seen that the fin assembly in the prior art lacks an effective turbulent structure and has the problem of poor heat exchange effect. Utility Model Content

[0005] The utility model aims to provide a fin assembly and a liquid cooling plate to solve the problem that the fin assembly in the prior art lacks an effective turbulent structure and has a poor heat exchange effect.

[0006] In order to achieve the above-mentioned purpose of the utility model, an embodiment of the utility model provides a fin assembly, including:

[0007] A plurality of fins are arranged in parallel, a flow gap is defined between any two adjacent fins, and each of the fins has a first surface and a second surface that are arranged back to back;

[0008] A plurality of spoiler structures are arranged at intervals on each of the fins, each spoiler structure comprises a protrusion and a groove, the protrusion protrudes from the first surface toward the flow gap, and the groove is arranged on the second surface at a position opposite to the protrusion.

[0009] As a further improvement of an embodiment of the utility model, the distances between any two adjacent spoiler structures on the fin along the length direction of the fin are equal.

[0010] As a further improvement of an embodiment of the utility model, the spacing between any two adjacent spoiler structures on the fin along the width direction of the fin is equal.

[0011] As a further improvement of an embodiment of the utility model, the protrusion and the groove are both configured to be cylindrical.

[0012] As a further improvement of an embodiment of the utility model, the height of the protrusion protruding from the first surface of the fin toward the flow gap is not higher than the thickness of the fin.

[0013] As a further improvement of an embodiment of the utility model, the spoiler structure is configured to be formed by stamping the fins.

[0014] As a further improvement of one embodiment of the utility model, any two adjacent fins have the same shape, and each spoiler structure on one of the fins has a corresponding spoiler structure at the corresponding position on the other fin, wherein the spoiler structure on one fin has the same shape as the spoiler structure on the other fin.

[0015] As a further improvement of an embodiment of the utility model, any two adjacent fins are connected by a plate material, and the plate material can be bent to make the two adjacent fins parallel.

[0016] As a further improvement of an embodiment of the utility model, any two adjacent fins and the plate material are an integrally formed structure.

[0017] An embodiment of the utility model further provides a liquid cooling plate, comprising a base plate and the fin assembly as described above, wherein the base plate has a receiving cavity for receiving cooling liquid, and the fin assembly is arranged in the receiving cavity.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The arrangement of the protrusions and grooves can force the coolant to generate vortices and secondary flows when passing through the plurality of protrusions and grooves when flowing through the flow gap, forming a more complex three-dimensional flow pattern and increasing the turbulence of the fluid. The turbulence promotes the mixing of the coolant and the fin surface and accelerates heat exchange. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of a fin assembly in one embodiment of the utility model;

[0021] Figure 2 for Figure 1 Rear view in;

[0022] Figure 3 for Figure 1 A top view of the

[0023] Figure 4 for Figure 3 Schematic diagram of the cross section in the AA direction;

[0024] Figure 5 for Figure 1 Bottom view in

[0025] Figure 6 This is a structural schematic diagram of the connection between two adjacent fins and a plate of a fin assembly in another embodiment of the utility model.

[0026] The above description of the drawings includes the following reference numerals:

[0027] 1. Fins

[0028] 2. Circulation gap;

[0029] 3. spoiler structure; 31. protrusion; 32. groove;

[0030] 4. Sheet material. DETAILED DESCRIPTION

[0031] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0032] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0033] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0034] In order to solve the problem that the fin assembly in the prior art lacks an effective spoiler structure and has a poor heat exchange effect, the utility model provides a fin assembly and a liquid cooling plate.

[0035] like Figure 1-5As shown, the utility model provides a fin assembly, comprising:

[0036] A plurality of fins 1 are arranged in parallel, and a flow gap 2 is defined between any two adjacent fins 1. The flow gap 2 allows coolant to flow through. Each of the fins 1 has a first surface and a second surface that are arranged back to back.

[0037] Furthermore, the fin assembly also includes a plurality of spoiler structures 3 arranged at intervals on each of the fins 1, each spoiler structure 3 includes a protrusion 31 and a groove 32, the protrusion 31 protrudes from the first surface toward the flow gap 2, and the groove 32 is arranged on the second surface at a position opposite to the protrusion 31.

[0038] The arrangement of the protrusions 31 and the grooves 32 can force the coolant to generate vortices and secondary flows when passing through the plurality of protrusions 31 and the grooves 32 when flowing through the flow gap 2, thereby forming a more complex three-dimensional flow pattern and increasing the turbulence of the fluid. The turbulence promotes the mixing of the coolant and the surface of the fin 1, accelerating the heat exchange.

[0039] It should be noted that, in this embodiment, reference Figure 2-5 As shown, the x-axis in the coordinate system represents the length direction of the fin 1 , the y-axis in the coordinate system represents the width direction of the fin 1 , and the z-axis in the coordinate system represents the thickness direction of the fin 1 .

[0040] Optionally, the distances between any two adjacent spoiler structures 3 on the fin 1 along the length direction of the fin 1 are equal.

[0041] Corresponding to Figure 3 As shown in the figure, the length direction of the fin 1 is the x-axis direction in the figure. In the x-axis direction, the distance between any two adjacent spoiler structures 3 is equal, and the distance is shown as d1 in the figure.

[0042] It can be understood that, in the x-axis direction, when the spacing between any two adjacent spoiler structures 3 is equal, the distance between the protrusions 31 and the grooves 32 of any two adjacent spoiler structures 3 is also equal. Figure 3 , Figure 4 In the embodiment, the distance is d1. Such a configuration can help the spoiler structure 3 to exchange heat uniformly in the x-axis direction.

[0043] Furthermore, the distances between any two adjacent spoiler structures 3 on the fin 1 along the width direction of the fin are equal.

[0044] Also corresponds to Figure 3 In the figure, the width direction of the fin 1 is the y-axis direction in the figure. In the y-axis direction, the distance between any two adjacent spoiler structures 3 is equal, and the distance is shown as d2 in the figure.

[0045] It can be understood that, in the y-axis direction, when the spacing between any two adjacent spoiler structures 3 is equal, the distance between the protrusions 31 and the grooves 32 of any two adjacent spoiler structures 3 is also equal. Figure 3 , Figure 4 In the embodiment, the distance is d2. Such arrangement can help the spoiler structure 3 to exchange heat uniformly in the y-axis direction.

[0046] Preferably, the protrusions 31 and the grooves 32 are both cylindrical. With such a configuration, when the coolant passes through the plurality of protrusions 31 and flows into the grooves 32, vortices and secondary flows can be generated, and a better turbulent flow effect can be achieved.

[0047] Further, refer to Figure 4 As shown, the height of the protrusion 31 protruding from the first surface of the fin 1 toward the flow gap is not higher than the thickness of the fin.

[0048] As shown in the combined figure, the height of the protrusion 31 protruding from the first surface of the fin 1 toward the flow gap is h, and the thickness of the fin 1 is T. In this embodiment, h is less than or equal to T. Such a setting helps the stability of the protrusion 31.

[0049] When the fin is made of metal, and the height h of the protrusion 31 is less than or equal to the thickness T of the fin 1, optionally, the spoiler structure 3 is configured to be formed by stamping the fin 1. Such a configuration can make the process of manufacturing the spoiler structure 3 simple and convenient, and the stamped protrusion 31 is usually integrally formed with the fin 1, which also helps to ensure the stability of the protrusion 31.

[0050] As a preferred embodiment, in certain embodiments, any two adjacent fins 1 have the same shape, and each spoiler structure on one of the fins has a corresponding spoiler structure at the corresponding position on the other fin, wherein the spoiler structure on one fin has the same shape as the spoiler structure on the other fin.

[0051] It can be understood that any two adjacent fins 1 have the same shape; the shapes of the spoiler structures on the two fins are also different; and the positions of the spoiler structures on each fin are also corresponding.

[0052] Therefore, multiple fins 1 and the spoiler structure 3 located on each fin can be manufactured by the same stamping equipment. Such an arrangement allows the stamping equipment for processing the fins 1 to be shared, reducing the purchase cost of the equipment and improving the processing efficiency of the fins 1.

[0053] Next reference Figure 6As shown, in the fin assembly provided by an embodiment of the utility model, any two adjacent fins 1 are connected by a plate material 4, and the plate material 4 can be bent to make the two adjacent fins 1 parallel.

[0054] With such arrangement, during the processing, a plurality of fins 1 can be connected to each other through the sheet material 4 to avoid falling during transportation, and by bending the sheet material 4, two adjacent fins 1 are arranged in parallel, and the two fins 1 have a stable connection relationship and are not easy to loosen.

[0055] Preferably, any two adjacent fins 1 and the sheet material 4 are configured as an integrally formed structure. In the specific processing process, they can also be formed by punching with a punching device.

[0056] An embodiment of the utility model further provides a liquid cooling plate, which comprises a base plate and the fin assembly as described above, wherein the base plate has a receiving cavity for receiving cooling liquid, and the fin assembly is arranged in the receiving cavity.

[0057] In summary, the embodiments of the present invention achieve the following technical effects:

[0058] The arrangement of the protrusions 31 and the grooves 32 can force the coolant to generate vortices and secondary flows when passing through the plurality of protrusions 31 and the grooves 32 when flowing through the flow gap 2, thereby forming a more complex three-dimensional flow pattern and increasing the turbulence of the fluid. The turbulence promotes the mixing of the coolant and the surface of the fin 1, accelerating the heat exchange.

[0059] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0060] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0061] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0062] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fin assembly, characterized in that: include: A plurality of fins are arranged in parallel, a flow gap is defined between any two adjacent fins, and each of the fins has a first surface and a second surface that are arranged back to back; A plurality of spoiler structures are arranged at intervals on each of the fins, each spoiler structure comprises a protrusion and a groove, the protrusion protrudes from the first surface toward the flow gap, and the groove is arranged on the second surface at a position opposite to the protrusion.

2. The fin assembly according to claim 1, characterized in that: The spacing between any two adjacent spoiler structures on the fin along the length direction of the fin is equal.

3. The fin assembly according to claim 2, characterized in that: The spacing between any two adjacent spoiler structures on the fin along the width direction of the fin is equal.

4. The fin assembly according to claim 1, characterized in that: The protrusions and the grooves are both arranged in a cylindrical shape.

5. The fin assembly according to claim 1, characterized in that: The height of the protrusion protruding from the first surface of the fin toward the flow gap is not higher than the thickness of the fin.

6. The fin assembly according to claim 5, characterized in that: The spoiler structure is configured to be formed by stamping the fin.

7. The fin assembly according to claim 1, characterized in that: Any two adjacent fins have the same shape, and each spoiler structure on one of the fins has a corresponding spoiler structure at the corresponding position on the other fin, wherein the spoiler structure on one fin has the same shape as the spoiler structure on the other fin.

8. The fin assembly according to claim 1, characterized in that: Any two adjacent fins are connected by a plate material, and the plate material can be bent to make the two adjacent fins parallel.

9. The fin assembly according to claim 8, characterized in that: Any two adjacent fins and the plate are an integrally formed structure.

10. A liquid cooling plate, characterized in that: It comprises a base plate and a fin assembly as claimed in any one of claims 1 to 9, wherein the base plate has a receiving cavity for receiving a cooling liquid, and the fin assembly is arranged in the receiving cavity.

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