V-shaped rib structure of graphene heat sink

Abstract

The utility model relates to a heat radiation structure technical field, concretely is a kind of V-shaped fin structure of graphene heat dissipation sheet, including graphene heat dissipation baseplate, vertically be equipped with multiple V-shaped fin on the graphene heat dissipation baseplate;Multiple groups of cavity are equipped on the graphene heat dissipation baseplate, and the outer periphery of cavity upper end is equipped with hot melt sealing sheet;The V-shaped fin bottom two sides integral structure is equipped with adaptive plate, the V-shaped fin is engaged in the cavity of graphene heat dissipation baseplate by the adaptive plate of bottom two sides, and the V-shaped fin is engaged in the cavity by adaptive plate, and after cooperation hot melt sealing sheet melts, recessed chamber is formed mechanical interlocking structure, replace traditional welding, riveting process, avoid structural deformation caused by welding stress by the connecting mode, and the damage of riveting hole to the integrity of baseplate, so that the connection strength is improved, and heat conduction path is continuous without interruption, and heat dissipation efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the field of heat dissipation structure technology, specifically to a V-shaped fin structure for a graphene heat sink. Background Technology

[0002] As electronic devices develop towards miniaturization and high performance, the heat generated during device operation increases dramatically, placing higher demands on the heat dissipation efficiency of heat dissipation components.

[0003] Currently, most heat sinks on the market are made of metal, and heat dissipation efficiency is improved by increasing the surface area of ​​the heat sink, such as by setting straight fins or corrugated fins. However, metal heat sinks have the problem of relatively limited thermal conductivity, and the traditional connection methods between the fin structure and the heat dissipation substrate are mostly welding and riveting. However, welding is prone to generating welding stress, which affects the overall performance of the heat sink, and the welding quality is unstable. Riveting leaves holes in the heat dissipation substrate, which damages the structural integrity of the substrate and reduces heat dissipation efficiency. At the same time, riveting is cumbersome and has low production efficiency. Therefore, this utility model proposes a V-shaped fin structure for a graphene heat sink to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a V-shaped fin structure for a graphene heat sink to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a V-shaped rib structure for a graphene heat sink, comprising a graphene heat sink substrate, wherein multiple sets of V-shaped ribs are vertically arranged on the graphene heat sink substrate.

[0006] The graphene heat dissipation substrate is provided with multiple cavities, and a hot-melt sealing sheet is provided around the upper periphery of the cavity;

[0007] The bottom two sides of the V-shaped rib are integrally provided with adapter plates. The V-shaped rib is engaged in the cavity of the graphene heat dissipation substrate by the adapter plates on both sides of the bottom. The hot melt sealing sheet is sealed on the adapter plate of the V-shaped rib after being melted by an external heater.

[0008] Preferably, the adapter plates on both sides of the bottom of the V-shaped rib are provided with recessed cavities, and when the hot melt sealing sheet melts, part of the sealing medium is embedded into the recessed cavities provided on the adapter plate.

[0009] Preferably, the adapter plates on both sides of the bottom of the V-shaped rib are adapted to the size of the cavity provided on the graphene heat dissipation substrate.

[0010] Preferably, the graphene heat dissipation substrate is composed of three sets of hollow mounting plates. The three sets of mounting plates are spliced ​​together by plug-in plates. The plug-in plates have positioning holes at both ends. After passing through the three sets of mounting plates, they are connected to the extended positioning parts on the left and right sides of the mounting plates through the positioning holes to realize the fixed assembly of the three sets of mounting plates.

[0011] Preferably, the plug-in plate is tightly installed in the hollow cavity of the three sets of mounting plates in a filling manner.

[0012] Preferably, both the mounting plate and the plug-in plate are made of thermally conductive material.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The V-shaped ribs are engaged within the cavity via an adapter plate. Combined with a hot-melt sealing sheet, the ribs melt and embed into the recessed cavity, forming a mechanically interlocking structure. This replaces traditional welding and riveting processes, avoiding structural deformation caused by welding stress and the damage to the substrate integrity caused by riveting holes. This results in increased connection strength and a continuous, uninterrupted heat conduction path, improving heat dissipation efficiency. Furthermore, the assembly process only requires embedding the adapter plate and heating to seal, eliminating the need for complex welding or riveting procedures. The size-matching design between the adapter plate and the cavity further ensures assembly accuracy, making it suitable for mass production. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the V-shaped rib mounting structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the mounting plate structure of this utility model.

[0018] Figure 4 This is a schematic diagram of the V-shaped rib structure of this utility model.

[0019] In the figure: 1. Graphene heat dissipation substrate; 11. Cavity; 111. Hot melt sealing sheet; 12. Mounting plate; 13. Extension positioning part; 2. V-shaped rib; 21. Adapter plate; 22. Recessed cavity; 3. Insertion plate; 31. Positioning hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1 to 4 This utility model provides a technical solution: a V-shaped rib structure for a graphene heat sink, including a graphene heat sink substrate 1, on which multiple sets of V-shaped ribs 2 are vertically arranged; multiple cavities 11 are provided on the graphene heat sink substrate 1, and a hot-melt sealing sheet 111 is provided on the upper periphery of the cavity 11; an adapter plate 21 is integrally provided on both sides of the bottom of the V-shaped ribs 2, and the V-shaped ribs 2 are engaged in the cavity 11 of the graphene heat sink substrate 1 through the adapter plates 21 on both sides of the bottom. The hot-melt sealing sheet 111 is melted by an external heater and sealed on the adapter plate 21 of the V-shaped ribs 2. The V-shaped ribs 2 are engaged in the cavity 11 through the adapter plate 21, and are embedded in the recessed cavity 22 after the hot-melt sealing sheet 111 melts to form a mechanical interlocking structure, replacing the traditional welding and riveting process. This connection method avoids structural deformation caused by welding stress and damage to the integrity of the substrate caused by riveting holes, thereby improving the connection strength and ensuring a continuous and uninterrupted heat conduction path, thus improving heat dissipation efficiency.

[0022] Please see Figures 1 to 4 The adapter plates 21 on both sides of the bottom of the V-shaped rib 2 are provided with recessed cavities 22. When the hot melt sealing sheet 111 melts, part of the sealing medium is embedded into the recessed cavity 22 provided on the adapter plate 21.

[0023] Please see Figures 1 to 4 The adapter plates 21 on both sides of the bottom of the V-shaped rib 2 are matched with the size of the cavity 11 provided on the graphene heat dissipation substrate 1. The size matching design between the adapter plates 21 and the cavity 11 further ensures the assembly accuracy and is suitable for mass production.

[0024] Please see Figures 1 to 4 The graphene heat dissipation substrate 1 is composed of three sets of hollow mounting plates 12. The three sets of mounting plates 12 are spliced ​​together by plug-in plates 3. The plug-in plates 3 have positioning holes 31 at both ends. After passing through the three sets of mounting plates 12, they are connected to the extended positioning parts 13 on the left and right sides of the mounting plates 12 through the positioning holes 31, so as to realize the fixed assembly of the three sets of mounting plates 12. With this installation method, when a single set of mounting plates 12 is damaged, the module can be quickly replaced by disassembling the plug-in plates 3, thus reducing maintenance costs.

[0025] Please see Figures 1 to 4 The plug plate 3 is tightly installed in the hollow cavity of the three sets of mounting plates 12 in a filling form.

[0026] Please see Figures 1 to 4 Both the mounting plate 12 and the plug-in plate 3 are made of thermally conductive materials. By using these two materials as thermally conductive materials, heat can be quickly conducted, so that the heat is evenly distributed throughout the heat dissipation structure, reducing local hot spots.

[0027] In use, three sets of hollow mounting plates 12 are spliced ​​together through the plug-in plates 3. The positioning holes 31 at both ends of the plug-in plates 3 are fixed to the extended positioning parts 13 of the mounting plates 12 by bolts and positioning pins to form a graphene heat dissipation substrate 1. Cavities 11 are arrayed and processed on the surface of the graphene heat dissipation substrate 1. A hot-melt sealing sheet 111 is laid on the outer periphery of the upper end of the cavity 11 to ensure that the sealing sheet fits tightly with the edge of the cavity 11. The adapter plate 21 at the bottom of the V-shaped rib 2 is vertically embedded into the cavity of the graphene heat dissipation substrate 1. Within 11, the adapter plate 21 and the cavity 11 are precisely matched in size to form a preliminary mechanical positioning. Then, an external heater (such as an infrared heating plate) is used to heat the hot melt sealing sheet 111 to a molten state. The molten sealing medium penetrates into the recessed cavity 22 of the adapter plate 21 and fills the gap between the adapter plate 21 and the cavity 11. After heating is stopped, the molten sealing medium cools naturally or is air-cooled and solidified, forming a mechanical tenon and mortise structure in the recessed cavity 22, so that the adapter plate 21 and the graphene heat dissipation substrate 1 are firmly connected.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A V-shaped rib structure for a graphene heat sink, comprising a graphene heat sink substrate (1), wherein multiple sets of V-shaped ribs (2) are vertically arranged on the graphene heat sink substrate (1), characterized in that: The graphene heat dissipation substrate (1) is provided with multiple cavities (11), and a hot melt sealing sheet (111) is provided on the upper periphery of the cavity (11); The V-shaped rib (2) has an integrated adapter plate (21) on both sides of its bottom. The V-shaped rib (2) is engaged in the cavity (11) of the graphene heat dissipation substrate (1) by the adapter plate (21) on both sides of its bottom. The hot melt sealing sheet (111) is sealed on the adapter plate (21) of the V-shaped rib (2) after being melted by an external heater.

2. The V-shaped fin structure of a graphene heat sink according to claim 1, characterized in that: The adapter plates (21) on both sides of the bottom of the V-shaped rib (2) are provided with recessed cavities (22). When the hot melt sealing sheet (111) melts, part of the sealing medium is embedded into the recessed cavity (22) provided on the adapter plate (21).

3. The V-shaped fin structure of a graphene heat sink according to claim 2, characterized in that: The adapter plates (21) on both sides of the bottom of the V-shaped rib (2) are adapted to the size of the cavity (11) provided on the graphene heat dissipation substrate (1).

4. The V-shaped fin structure of a graphene heat sink according to claim 3, characterized in that: The graphene heat dissipation substrate (1) is composed of three sets of hollow mounting plates (12). The three sets of mounting plates (12) are spliced ​​together by plug-in plates (3). The plug-in plates (3) have positioning holes (31) at both ends. After passing through the three sets of mounting plates (12), they are connected to the extended positioning parts (13) on the left and right sides of the mounting plates (12) through the positioning holes (31) to realize the fixed assembly of the three sets of mounting plates (12).

5. The V-shaped fin structure of a graphene heat sink according to claim 4, characterized in that: The plug plate (3) is tightly installed in the hollow cavity of the three sets of mounting plates (12) in a filling form.

6. The V-shaped fin structure of a graphene heat sink according to claim 4, characterized in that: Both the mounting plate (12) and the plug-in plate (3) are made of thermally conductive materials.

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