Heat dissipation structure with efficient heat dissipation fins and electronic radiator

Abstract

The utility model belongs to the technical field of heat dissipation of electronic equipment, and particularly relates to a heat dissipation structure with efficient heat dissipation fins and an electronic radiator, the heat dissipation structure with the efficient heat dissipation fins comprises an inner connecting ring and an outer connecting ring, and an airflow channel is formed between the outer connecting ring and the inner connecting ring. A plurality of heat dissipation fins are arranged between the outer connecting ring and the inner connecting ring, the heat dissipation fins are arranged in an annular array mode and divide the airflow channel into a plurality of branch flow channels, a plurality of V-shaped turbulent flow protrusions and conical turbulent flow protrusions are arranged on one sides of the heat dissipation fins, the V-shaped turbulent flow protrusions are evenly arranged on one sides of the heat dissipation fins, and the conical turbulent flow protrusions are evenly arranged on the other sides of the heat dissipation fins. And the plurality of conical turbulent flow bulges are respectively arranged among the V-shaped turbulent flow bulges on one side. According to the radiator, the radiating area of the radiating fins is increased, meanwhile, the turbulent flow effect on airflow is greatly improved, a turbulent flow layer can be formed when the airflow passes through the surfaces of the radiating fins, the heat exchange efficiency is greatly improved, and therefore the radiating capacity of the radiator is improved, and the radiating effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic equipment heat dissipation technical field especially, relate to a heat dissipation structure and electronic radiator with high -efficient heat dissipation fin. BACKGROUND

[0002] With the rapid development of electronic technology, electronic equipment is towards the high performance, miniaturization, integration direction development, this makes electronic equipment internal electronic component in unit area power density increases unceasingly, thereby when working can produce a large amount of heat, therefore needs to carry out heat dissipation operation to these heat, to ensure that electronic device can stably carry out operation.

[0003] At present, the CPU of computer can produce a large amount of heat when high load runs, and the corresponding electronic radiator is generally composed of equidistantly arranged plate-shaped heat dissipation fins, the structure is relatively single, the air flow channel formed by it is relatively regular, which leads to an undesirable turbulence effect, and the heat carried away by the cold air when passing through the heat dissipation fin structure is limited, resulting in low heat exchange efficiency of the radiator and still to be further improved heat dissipation effect; in addition, the current heat dissipation fins are generally connected with the heat dissipation fan by bolts, and during actual installation, screwdrivers are needed to tighten them one by one, which is time-consuming in overall operation.

[0004] In summary, the current electronic radiator structure gradually discovers that it still has the following defects during use:

[0005] The structure of the plate-shaped heat dissipation fin is relatively single, which leads to an undesirable turbulence effect, low heat exchange efficiency and poor heat dissipation effect.

[0006] The heat dissipation fin and the heat dissipation fan are connected by bolts, which is inconvenient and time-consuming to disassemble and assemble. UTILITY MODEL CONTENTS

[0007] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research and, after a lot of creative labor, completed the present utility model.

[0008] Specifically, the technical problem to be solved by the present utility model is to provide a heat dissipation structure and electronic radiator with high-efficiency heat dissipation fins to solve the technical problems of the current heat dissipation fin structure, low heat exchange efficiency and poor heat dissipation effect.

[0009] To solve the above technical problems, the present utility model provides the following technical solutions:

[0010] A heat dissipation structure and electronic heat sink with high-efficiency heat dissipation fins include an inner connecting ring and an outer connecting ring. The outer connecting ring is fitted outside the inner connecting ring and is coaxially arranged with the inner connecting ring. An airflow channel is formed between the outer connecting ring and the inner connecting ring.

[0011] A plurality of heat dissipation fins are provided between the outer connecting ring and the inner connecting ring. The plurality of heat dissipation fins are arranged in a ring array, and the two ends of the heat dissipation fins are fixedly connected to the inner connecting ring and the outer connecting ring respectively. The heat dissipation fins divide the airflow channel into a plurality of branch channels.

[0012] The heat dissipation fins are provided with a plurality of V-shaped turbulence protrusions and conical turbulence protrusions on one side. The plurality of V-shaped turbulence protrusions are evenly arranged on one side of the heat dissipation fins, and the plurality of conical turbulence protrusions are respectively arranged between the V-shaped turbulence protrusions on one side, and the plurality of conical turbulence protrusions are arranged equidistantly around the V-shaped turbulence protrusions.

[0013] As an improved technical solution, the open ends of several of the V-shaped turbulence protrusions are all arranged facing the air inlet end of the airflow channel, and the corner ends of several of the V-shaped turbulence protrusions are all arranged close to the air outlet end of the airflow channel.

[0014] And / or, several of the conical turbulence protrusions are arranged in a rectangular or annular array around the V-shaped turbulence protrusion.

[0015] As an improved technical solution, the inner side of the inner connecting ring is provided with a plurality of circular fins, the circular fins being adapted to the inner diameter of the inner connecting ring, and the plurality of circular fins being uniformly arranged along the axial direction of the inner connecting ring, and the plurality of circular fins being connected by U-shaped heat pipes.

[0016] As an improved technical solution, the outer peripheral wall of the outer connecting ring is provided with a plurality of snap-fit ​​grooves, and the plurality of snap-fit ​​grooves are arranged in a ring array.

[0017] As an improved technical solution, the outer peripheral wall of the outer connecting ring is also fixedly equipped with a number of mounting rods, and the number of mounting rods are respectively staggered with the number of snap-fit ​​grooves.

[0018] This utility model also discloses an electronic heat sink, including a heat dissipation structure with high-efficiency heat dissipation fins as described above, and a heat dissipation fan located at one end of the outer connecting ring, and the heat dissipation fan is detachably connected to the outer connecting ring.

[0019] As an improved technical solution, the cooling fan is fixedly installed with a plurality of snap-fit ​​posts, each of which is respectively provided with a snap-fit ​​groove on the outer connecting ring. One end of each snap-fit ​​post extends along the direction close to the outer connecting ring to form a plate-shaped spring. The plate-shaped spring has an integrally formed snap-fit ​​protrusion on the side close to the outer connecting ring. The snap-fit ​​protrusion is a wedge-shaped structure with an inclined guide surface, and the snap-fit ​​protrusion is adapted to the snap-fit ​​groove on the outer connecting ring.

[0020] After adopting the above technical solution, the beneficial effects of this utility model are:

[0021] This heat dissipation structure with highly efficient heat dissipation fins not only increases the heat dissipation area of ​​the fins but also significantly enhances the turbulence effect on airflow. This creates a turbulent layer as the airflow passes over the fin surface, greatly improving heat exchange efficiency and thus enhancing the radiator's heat dissipation capacity and performance. Furthermore, the circular fins provide a large heat dissipation area, and the U-shaped heat pipes connecting them allow heat to be conducted between multiple circular fins, effectively expanding the heat dissipation area and increasing the heat dissipation pathways. Combined with the heat dissipation fins, this achieves even better heat dissipation.

[0022] This electronic heat sink eliminates the need for a screwdriver to install and remove screws sequentially when assembling and disassembling the cooling fan, making the operation simpler and more convenient, thus saving time and manpower. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments 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. Among them:

[0024] Figure 1 This is a schematic diagram of the overall structure of the heat dissipation structure with high-efficiency heat dissipation fins of this utility model.

[0025] Figure 2 for Figure 1 Enlarged structural diagram of part A in the middle.

[0026] Figure 3 This is a schematic diagram of the structure of the heat dissipation fins of this utility model.

[0027] Figure 4 This is an exploded structural diagram of the inner connecting ring, circular fins, and U-shaped heat pipe of this utility model.

[0028] Figure 5 This is a three-dimensional structural diagram of the electronic heat sink of this utility model.

[0029] Figure 6 This is another three-dimensional structural diagram of the electronic heat sink of this utility model.

[0030] Figure 7 This is an exploded structural diagram of the electronic heat sink of this utility model.

[0031] Figure 8 This is a schematic diagram of the structure of the snap-fit ​​post of this utility model.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Inner connecting ring; 2. Outer connecting ring; 201. Snap-fit ​​groove; 202. Mounting support rod; 3. Heat dissipation fins; 301. V-shaped turbulence protrusion; 302. Conical turbulence protrusion; 4. Circular fins; 401. U-shaped heat pipe; 5. Cooling fan; 501. Snap-fit ​​post; 502. Plate-shaped spring; 503. Snap-fit ​​protrusion. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.

[0035] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0036] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.

[0037] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0038] like Figures 1 to 4 As shown in the figure, this embodiment provides a heat dissipation structure with high-efficiency heat dissipation fins, including an inner connecting ring 1 and an outer connecting ring 2. The outer connecting ring 2 is fitted outside the inner connecting ring 1, and the outer connecting ring 2 and the inner connecting ring 1 are coaxially arranged. An airflow channel is formed between the outer connecting ring 2 and the inner connecting ring 1. The inner connecting ring 1 is made of copper and has the characteristics of good thermal conductivity.

[0039] A number of heat dissipation fins 3 are provided between the outer connecting ring 2 and the inner connecting ring 1. The heat dissipation fins 3 are arranged in a ring array, and the two ends of the heat dissipation fins 3 are fixedly connected to the inner connecting ring 1 and the outer connecting ring 2 respectively. The heat dissipation fins 3 divide the airflow channel into a number of branch channels. The inner connecting ring 1, the outer connecting ring 2 and the heat dissipation fins 3 are connected by welding.

[0040] The heat dissipation fin 3 has several V-shaped turbulence protrusions 301 and conical turbulence protrusions 302 on one side. The V-shaped turbulence protrusions 301 are evenly arranged on one side of the heat dissipation fin 3, and the conical turbulence protrusions 302 are respectively arranged between the V-shaped turbulence protrusions 301 on one side. The conical turbulence protrusions 302 are arranged equidistantly around the V-shaped turbulence protrusions 301 to improve the air turbulence effect and thus improve the heat dissipation efficiency.

[0041] Multiple sets of V-shaped turbulence protrusions 301 change the shape of the surface of the heat dissipation fins 3, so that the air no longer flows along a regular channel. The V-shaped turbulence protrusions 301 can make the air flow direction change continuously. The airflow will form a complex flow field at the edge and inside of the V-shaped turbulence protrusions 301, which can effectively disrupt the flow separation and vortex that are easy to occur in the original regular channel, thereby reducing air flow resistance, increasing air flow, and improving the situation of poor air flow.

[0042] The conical turbulence protrusion 302 can finely adjust the airflow field. When air flows through the conical turbulence protrusion 302, it will generate local small eddies and disturbances around it. These small-scale flow phenomena can make the air distribution on the surface of the heat dissipation fins 3 more uniform, avoid air concentrating in certain areas, make the overall airflow smoother, and further optimize the airflow path.

[0043] In one embodiment, the open ends of several V-shaped turbulence protrusions 301 are all arranged facing the air inlet end of the airflow channel, and the corner ends of several V-shaped turbulence protrusions 301 are all arranged close to the air outlet end of the airflow channel. This design causes the airflow to be forced to change direction when it encounters the V-shaped turbulence protrusions 301 when passing through the heat dissipation fins 3, forming complex turbulence. Compared with the smooth surface of the heat dissipation fins 3, the turbulence can effectively break the airflow boundary layer, increase the contact area and contact time between the air and the heat dissipation fins 3, thereby enhancing the heat dissipation effect. The end where the cooling fan 5 is installed is the air inlet end, which can directly blow towards the circular fins 4 to form good heat exchange, thereby effectively reducing the temperature of the component, ensuring that it operates within the normal operating temperature range, and preventing performance degradation, shortened life or even damage due to overheating.

[0044] In one embodiment, a plurality of conical turbulence protrusions 302 are arranged in a rectangular or annular array around the V-shaped turbulence protrusion 301. When the airflow passes through the V-shaped turbulence protrusion 301 and then encounters the surrounding conical turbulence protrusions 302, the airflow direction will change again, forming a more complex flow field. This can more effectively break the airflow boundary layer and make the air contact with the surface of the heat dissipation fins 3 more fully, thereby further improving the heat dissipation effect.

[0045] In one embodiment, the inner side of the inner connecting ring 1 is provided with a plurality of circular fins 4. The circular fins 4 are adapted to the inner diameter of the inner connecting ring 1, and the plurality of circular fins 4 are evenly arranged along the axial direction of the inner connecting ring 1. The plurality of circular fins 4 are connected by U-shaped heat pipes 401. The circular fins 4 can increase the heat dissipation area. The U-shaped heat pipes 401 connect multiple sets of circular fins 4. The U-shaped heat pipes 401 have high thermal conductivity and can quickly transfer heat to each circular fin 4, so that these circular fins 4 can give full play to the heat dissipation function.

[0046] In one embodiment, the outer peripheral wall of the outer connecting ring 2 is provided with a plurality of snap-fit ​​grooves 201, which are arranged in a ring array to facilitate the installation and removal of the cooling fan 5.

[0047] In one embodiment, a plurality of mounting rods 202 are fixedly installed on the outer peripheral wall of the outer connecting ring 2. The plurality of mounting rods 202 are respectively staggered with a plurality of snap-fit ​​grooves 201. The mounting rods 202 snap-fit ​​with the slots reserved on the motherboard, which facilitates the installation of the outer connecting ring 2 and the overall heat dissipation structure on the CPU.

[0048] Based on the above structure, this heat dissipation structure with high-efficiency heat dissipation fins increases the heat dissipation area of ​​the heat dissipation fins 3 while greatly improving the turbulence effect on the airflow. This allows the airflow to form a turbulent layer when passing over the surface of the heat dissipation fins 3, significantly improving heat transfer efficiency and thus enhancing the heat dissipation capacity and performance of the radiator. Furthermore, the circular fins 4 provide a large heat dissipation area, and the U-shaped heat pipes 401 connect them, enabling heat to be conducted between multiple circular fins 4. This effectively expands the heat dissipation area and increases the heat dissipation pathways, working in conjunction with the heat dissipation fins 3 to achieve even better heat dissipation.

[0049] like Figures 1 to 8 As shown in the figure, this embodiment also discloses an electronic heat sink, including a heat dissipation structure with high-efficiency heat dissipation fins as described above, and a heat dissipation fan 5, which is located at one end of the outer connecting ring 2 and is detachably connected to the outer connecting ring 2.

[0050] In one embodiment, the cooling fan 5 is fixedly mounted with a plurality of snap-fit ​​posts 501, which are respectively provided with corresponding snap-fit ​​grooves 201 of the outer connecting ring 2. One end of the snap-fit ​​post 501 extends along the direction close to the outer connecting ring 2 to form a plate-shaped spring piece 502. The plate-shaped spring piece 502 has an integrally formed snap-fit ​​protrusion 503 on the side close to the outer connecting ring 2. The snap-fit ​​protrusion 503 is a wedge-shaped structure with an inclined guide surface, and the snap-fit ​​protrusion 503 is adapted to the snap-fit ​​grooves 201 of the outer connecting ring 2.

[0051] In one embodiment, four snap-fit ​​posts 501 are provided and fixedly installed at the four corners of the cooling fan 5. The snap-fit ​​posts 501 form a snap-fit ​​area that matches the outer diameter of the outer connecting ring 2, which facilitates the installation of the cooling fan 5 and the outer connecting ring 2.

[0052] In use, the heat dissipation structure is installed on the motherboard. First, the mounting bracket 202 is installed in the reserved hole on the motherboard, so that the inner connecting ring 1 and the outer connecting ring 2 are located on top of the CPU. When the CPU generates heat, it will come into contact with the inner connecting ring 1. Since the inner connecting ring 1 is made of copper, it has good thermal conductivity. It will then transfer the absorbed heat to the heat dissipation fins 3 and the circular fins 4. At the same time, the cooling fan 5 is activated to perform heat dissipation. When the heat and airflow are transferred to the heat dissipation fins 3, the V-shaped turbulence protrusions 301 and the conical turbulence protrusions 302 on its surface will form a turbulence layer. Compared with the smooth surface of the heat dissipation fins 3, the turbulence can effectively break the airflow boundary layer, increase the contact area and contact time between the air and the heat dissipation fins 3, thereby enhancing the heat dissipation effect.

[0053] Similarly, the circular fins 4 can provide a larger heat dissipation area. After the U-shaped heat pipes 401 connect them, heat can be conducted between multiple circular fins 4, which is equivalent to expanding the heat dissipation area and increasing the heat dissipation path. In conjunction with the heat dissipation fins 3, the heat dissipation effect can be better achieved.

[0054] When installing the cooling fan 5, simply align the snap-fit ​​post 501 with the snap-fit ​​groove 201 on the outer surface of the outer connecting ring 2, and press down on the cooling fan 5 so that the plate-shaped spring piece 502 at one end of the snap-fit ​​post 501 is located on the outside of the outer connecting ring 2. With continuous pressure output, the snap-fit ​​protrusion 503 will contact the outer connecting ring 2. Since one side of the snap-fit ​​protrusion 503 is arc-shaped, the pressure will be transmitted to the plate-shaped spring piece 502 through the arc-shaped contact with the outer connecting ring 2, causing the plate-shaped spring piece 502 to deform away from the outer connecting ring 2 until the snap-fit ​​protrusion 503 coincides with the snap-fit ​​groove 201, thus completing the installation of the cooling fan 5. This method is simple to operate and does not require the use of a screwdriver to remove and install screws one by one. When disassembling, hold the plate-shaped spring piece 502 to deform it away from the outer connecting ring 2, and pull the cooling fan 5 to move away from the outer connecting ring 2.

[0055] It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. Furthermore, it should be understood that after reading the technical description of this utility model, those skilled in the art can make various alterations, modifications, and / or variations to this utility model, and all such equivalent forms also fall within the scope of protection defined by the appended claims.

Claims

1. A heat dissipation structure with high-efficiency heat dissipation fins, characterized in that: It includes an inner connecting ring (1) and an outer connecting ring (2), the outer connecting ring (2) is fitted outside the inner connecting ring (1), and the outer connecting ring (2) and the inner connecting ring (1) are coaxially arranged, and an airflow channel is formed between the outer connecting ring (2) and the inner connecting ring (1); A plurality of heat dissipation fins (3) are provided between the outer connecting ring (2) and the inner connecting ring (1). The plurality of heat dissipation fins (3) are arranged in a ring array, and the two ends of the heat dissipation fins (3) are fixedly connected to the inner connecting ring (1) and the outer connecting ring (2) respectively. The heat dissipation fins (3) divide the airflow channel into a plurality of branch channels. The heat dissipation fins (3) are provided with a plurality of V-shaped turbulence protrusions (301) and conical turbulence protrusions (302) on one side. The plurality of V-shaped turbulence protrusions (301) are evenly arranged on one side of the heat dissipation fins (3), and the plurality of conical turbulence protrusions (302) are respectively arranged between the V-shaped turbulence protrusions (301) on one side, and the plurality of conical turbulence protrusions (302) are arranged equidistantly around the V-shaped turbulence protrusions (301).

2. The heat dissipation structure with high-efficiency heat dissipation fins according to claim 1, characterized in that: The open ends of several of the V-shaped turbulence protrusions (301) are all arranged facing the air inlet end of the airflow channel, and the corner ends of several of the V-shaped turbulence protrusions (301) are all arranged close to the air outlet end of the airflow channel. And / or, a plurality of the conical turbulence protrusions (302) are arranged in a rectangular or annular array around the V-shaped turbulence protrusion (301).

3. The heat dissipation structure with high-efficiency heat dissipation fins according to claim 2, characterized in that: The inner side of the inner connecting ring (1) is provided with a plurality of circular fins (4). The circular fins (4) are adapted to the inner diameter of the inner connecting ring (1), and the plurality of circular fins (4) are evenly arranged along the axial direction of the inner connecting ring (1). The plurality of circular fins (4) are connected by U-shaped heat pipes (401).

4. The heat dissipation structure with high-efficiency heat dissipation fins according to any one of claims 1-3, characterized in that: The outer peripheral wall of the outer connecting ring (2) is provided with a plurality of snap-fit ​​grooves (201), and the plurality of snap-fit ​​grooves (201) are arranged in a ring array.

5. The heat dissipation structure with high-efficiency heat dissipation fins according to claim 4, characterized in that: The outer peripheral wall of the outer connecting ring (2) is also fixedly installed with a number of mounting rods (202), and the number of mounting rods (202) are respectively staggered with the number of snap-fit ​​grooves (201).

6. An electronic heat sink, characterized in that: The heat dissipation structure includes the high-efficiency heat dissipation fins (3) according to claim 1, and also includes a heat dissipation fan (5), which is located at one end of the outer connecting ring (2) and is detachably connected to the outer connecting ring (2).

7. The electronic heat sink according to claim 6, characterized in that: The cooling fan (5) is fixedly installed with a plurality of snap-fit ​​posts (501). The plurality of snap-fit ​​posts (501) are respectively arranged corresponding to the snap-fit ​​grooves (201) of the outer connecting ring (2). One end of the snap-fit ​​post (501) extends along the direction close to the outer connecting ring (2) to form a plate-shaped spring (502). The plate-shaped spring (502) has an integrally formed snap-fit ​​protrusion (503) on the side close to the outer connecting ring (2). The snap-fit ​​protrusion (503) is a wedge-shaped structure with an inclined guide surface, and the snap-fit ​​protrusion (503) is adapted to the snap-fit ​​grooves (201) of the outer connecting ring (2).

Images