Special-shaped columnar structure of vapor chamber
By setting channels on the support columns of the heat spreader, the problem of excessive space occupation by traditional support columns is solved, achieving efficient heat transfer and uniform distribution, and improving heat dissipation efficiency and gas-liquid circulation stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2026-04-07
AI Technical Summary
Traditional vapor chamber support columns occupy too much cavity space, resulting in insufficient cross-sectional area of steam channels, low phase change heat transfer efficiency, and difficulty in meeting the demand for efficient heat dissipation. Furthermore, the unidirectional steam flow is not conducive to uniform heat distribution.
The support column adopts an irregular columnar structure, with channels set on the support column to reduce space occupation, increase the cross-sectional area of the steam flow channel, and improve the steam flow rate and liquid return speed through channel design, thereby enhancing the stability of gas-liquid circulation.
It improves the heat dissipation efficiency and heat distribution uniformity of the heat spreader, enhances the stability of gas-liquid circulation and heat dissipation power, and significantly improves heat dissipation performance.
Smart Images
Figure CN224098034U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of temperature equalizing plate, specifically, a temperature equalizing plate special-shaped columnar structure. BACKGROUND
[0002] With the development of 3C product (such as mobile phone, tablet, notebook computer) light and thin trend, temperature equalizing plate as the key heat dissipation element, its thickness has been greatly compressed to 0.26-0.5mm level, under this limit size, the traditional symmetrical cylinder or square column support structure occupies too much cavity space, lead to a series of problems, first, the vapor passage section area is insufficient, makes the phase change heat transfer efficiency reduces, it is difficult to meet the demand of high efficiency heat dissipation, second, because the column layout is single, vapor flow direction tends to unidirectional, it is not conducive to the uniform distribution and emission of heat. Therefore we make improvement, propose a temperature equalizing plate special-shaped columnar structure. SUMMARY
[0003] The utility model is directed at: the problem that the support column occupies too much cavity space at present.
[0004] In order to realize the above-mentioned utility model purposes, the utility model provides a temperature equalizing plate special-shaped columnar structure to improve the above-mentioned problems.
[0005] The application is as follows:
[0006] A temperature equalizing plate special-shaped columnar structure, including temperature equalizing plate main body, be provided with a plurality of support column main body on the temperature equalizing plate main body, be provided with the channel on the support column main body.
[0007] As the preferred technical scheme of the application, the number of channels is two, and the two channels are perpendicular and connected.
[0008] As the preferred technical scheme of the application, one of the channels is arranged according to the direction from the evaporation end to the condensation end.
[0009] As the preferred technical scheme of the application, the width of the channel is 10%-20% of the diameter of the support column main body, and the depth of the channel is 1.5 times the width.
[0010] As the preferred technical scheme of the application, the support column main bodies are arranged in a matrix on the temperature equalizing plate main body.
[0011] As the preferred technical scheme of the application, the surface of the support column main body is subjected to anodic oxidation treatment to form an oxide film to improve the corrosion resistance of the support column main body.
[0012] As the preferred technical scheme of the application, a titanium dioxide coating is provided on the inner wall of the channel.
[0013] As a preferred technical scheme of the present application, the inner wall of the channel is provided with a nano-silver coating.
[0014] As a preferred technical scheme of the present application, the material of the vapor chamber main body is copper, and the surface of the vapor chamber main body is provided with a nickel plating layer.
[0015] As a preferred technical scheme of the present application, the evaporation end of the vapor chamber main body is provided with a heat-conducting coating, which is a graphene coating.
[0016] Compared with the prior art, the present application has the following beneficial effects:
[0017] In the scheme of the present application:
[0018] In order to solve the problem of excessive cavity space occupied by the support column in the prior art, the present application sets a channel on the support column body, thereby reducing the space occupied by the support column body, improving the internal cavity space, and thus improving the upper limit of the heat dissipation power of the vapor chamber main body. The channel generates pressure when the vapor passes through, which increases the capillary pressure, thereby improving the reflux speed of the liquid from the condensation end to the evaporation end and enhancing the stability of the vapor chamber main body gas-liquid circulation. The design of the channel not only increases the radial flow channel cross-sectional area from the evaporation end to the condensation end, but also improves the vapor flow per unit time, thereby significantly improving the heat dissipation efficiency of the vapor chamber. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The structure schematic view of the vapor chamber special-shaped columnar structure provided by the present application is shown in the figure.
[0020] Figure 2 The top view structure schematic view of the vapor chamber special-shaped columnar structure provided by the present application is shown in the figure.
[0021] Figure 3 The partial three-dimensional structure schematic view of the vapor chamber special-shaped columnar structure provided by the present application is shown in the figure.
[0022] Figure 4 The partial top view structure schematic view of the vapor chamber special-shaped columnar structure provided by the present application is shown in the figure.
[0023] Indicated in the figure:
[0024] 1, vapor chamber main body; 2, support column body; 3, channel. DETAILED DESCRIPTION
[0025] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention 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 invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.
[0026] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.
[0027] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0028] Example 1, please refer to Figures 1-4 A heat spreader with an irregular columnar structure includes a heat spreader body 1, a plurality of support column bodies 2 disposed on the heat spreader body 1, and channels 3 disposed on the support column bodies 2. The support column bodies 2 significantly enhance the overall structural strength of the heat spreader body 1. In practical applications, the heat spreader body 1 may face various complex mechanical environments, such as external pressure during installation and vibration during equipment operation. The support column bodies 2 disperse the externally applied stress, effectively reducing the deformation or damage of the heat spreader body 1 under these conditions, and ensuring the structural integrity of the heat spreader. Integrity and stability; the setting of channel 3 reduces the space occupied by the support column body 2, thereby increasing the internal cavity space, thus increasing the upper limit of heat dissipation power of the heat spreader body 1. Moreover, the channel 3 generates pressure when steam passes through, which increases the capillary pressure, thereby increasing the backflow speed of liquid from the condensing end to the evaporating end, and enhancing the stability of gas-liquid circulation of the heat spreader body 1. The design of channel 3 not only increases the radial flow channel cross-sectional area from the evaporating end to the condensing end, but also increases the steam flow rate per unit time, thereby significantly improving the heat dissipation efficiency of the heat spreader.
[0029] Furthermore, such as Figure 3 and Figure 4 As shown, there are two channels 3, and the two channels 3 are perpendicular and connected to each other, so as to further reduce the space occupied by the main body of the support column 2.
[0030] Furthermore, such as Figure 1As shown, one of the channels 3 is arranged in the direction from the evaporation end to the condensation end. During the operation of the vapor chamber 1, the working fluid absorbs heat at the evaporation end and becomes gaseous, tending to flow towards the condensation end. The channel 3 arranged in the direction from the evaporation end to the condensation end provides a direct and smooth flow channel for the working fluid, greatly reducing the resistance and energy loss of the working fluid flow. The working fluid can flow from the evaporation end to the condensation end at a faster speed, accelerating the heat transfer speed and thus significantly improving the working efficiency of the vapor chamber.
[0031] Furthermore, the width of the channel 3 is 10%-20% of the diameter of the support column body 2, and the depth of the channel 3 is 1.5 times the width.
[0032] Furthermore, the main body of the support column 2 is arranged in a matrix on the main body of the heat spreader 1. The matrix arrangement has symmetry and regularity, which can ensure the uniformity of support force and heat transfer.
[0033] Furthermore, the surface of the support column body 2 is subjected to anodizing treatment. The oxide film formed by the anodizing treatment provides a protective barrier for the support column body 2, reduces the risk of corrosion of the support column body 2, and extends the service life of the support column body 2.
[0034] Example 2 further optimizes the irregular columnar structure of the heat spreader provided in Example 1. Specifically, a titanium dioxide coating is provided on the inner wall of the channel 3. The titanium dioxide coating can improve the hydrophilicity of the inner wall of the channel 3, making it easier for the working fluid to adhere to the inner wall of the channel 3, promoting the flow and heat transfer of the working fluid, and further improving the performance of the heat spreader.
[0035] Example 3 further optimizes the irregular columnar structure of the heat spreader provided in Example 1. Specifically, a nano-silver coating is provided on the inner wall of the channel 3. Nano-silver has strong antibacterial ability. It can interact with the cell membrane and cell wall of bacteria and microorganisms, destroy their structure and function, thereby inhibiting the growth and reproduction of bacteria and microorganisms. This reduces the possibility that the proliferation of microorganisms in the channel 3 will lead to the deterioration of the working fluid, reduce the heat transfer performance of the working fluid, or even blockage. In terms of thermal conductivity, nano-silver has good thermal conductivity, which improves the thermal conductivity efficiency of the channel and thus enhances the overall heat transfer performance of the heat spreader.
[0036] Example 4 further optimizes the irregular columnar structure of the heat spreader provided in Example 1. Specifically, the material of the heat spreader body 1 is copper, and a nickel plating layer is provided on the surface of the heat spreader body 1. Copper has a high thermal conductivity and can conduct heat quickly, while nickel has high chemical stability and corrosion resistance. The nickel plating layer provides good protection for the heat spreader body 1.
[0037] Example 5 further optimizes the irregular columnar structure of the heat spreader provided in Example 1. Specifically, the evaporation end of the heat spreader body 1 is provided with a thermally conductive coating, which is a graphene coating. The application of the graphene coating brings a significant improvement in the thermal conductivity of the evaporation end of the heat spreader body 1. Graphene is a two-dimensional material composed of carbon atoms with extremely high thermal conductivity, which can achieve efficient heat transfer.
[0038] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0039] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.
Claims
1. A heat spreader with an irregular columnar structure, characterized in that, It includes a heat spreader body (1), and a plurality of support column bodies (2) are provided on the heat spreader body (1), and channels (3) are provided on the support column bodies (2).
2. The heat spreader irregular columnar structure according to claim 1, characterized in that, The number of channels (3) is two, and the two channels (3) are perpendicular to each other and connected.
3. The heat spreader irregular columnar structure according to claim 1, characterized in that, One of the channels (3) is set in the direction from the evaporation end to the condensation end.
4. The heat spreader irregular columnar structure according to claim 1, characterized in that, The width of the channel (3) is 10%-20% of the diameter of the support column body (2), and the depth of the channel (3) is 1.5 times the width.
5. A thermostatic plate irregular columnar structure according to any one of claims 1-4, characterized in that, The main body of the support column (2) is arranged in a matrix on the main body of the temperature equalization plate (1).
6. The heat spreader irregular columnar structure according to claim 5, characterized in that, The surface of the main body (2) of the support column is anodized.
7. The heat spreader irregular columnar structure according to claim 5, characterized in that, The inner wall of the channel (3) is provided with a titanium dioxide coating.
8. The heat spreader irregular columnar structure according to claim 5, characterized in that, The inner wall of the channel (3) is provided with a nano silver coating.
9. The heat spreader irregular columnar structure according to claim 5, characterized in that, The material of the heat spreader body (1) is copper, and the surface of the heat spreader body (1) is provided with a nickel plating layer.
10. The heat spreader irregular columnar structure according to claim 5, characterized in that, The evaporation end of the heat spreader body (1) is provided with a thermally conductive coating, which is a graphene coating.