A graphene heat-dissipating shielding film

CN224760548UActive Publication Date: 2026-09-15HUIZHOU HUITAICHENG SOLAR TECH CO LTD
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Patent Information

Application Number
CN202522246886.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-24
Publication Date
2026-09-15
Estimated Expiration
2035-10-24

AI Technical Summary

Benefits of technology

[0014] 1. This utility model, by setting an inner layer to provide additional thermal conductivity buffer, helps to evenly distribute heat and avoid the generation of high-temperature hot spots, while ensuring that the overall heat dissipation effect is not affected by the external environment, by setting a microporous structure layer to enhance the heat dissipation effect, provide heat diffusion channels, reduce local overheating areas, and improve the overall membrane permeability through the microporous structure, and by setting an isolation layer to effectively isolate other functional layers, ensure that the heat dissipation effect of the graphene layer is not affected by other materials, and improve the mechanical strength of the membrane;

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Abstract

The utility model relates to a kind of graphene heat dissipation type shielding film, including shielding film component, the shielding film component includes inner layer, the inner layer is provided with support layer, the support layer is provided with microporous structure layer, the microporous structure layer is provided with isolation layer, the isolation layer is provided with protective layer, the protective layer is provided with reinforcing layer, the reinforcing layer is provided with shielding layer. By being provided with inner layer, for providing additional thermal conductivity buffer, help evenly distributing heat and avoid the generation of high temperature hot spot, while ensuring that overall heat dissipation effect is not affected by external environment, by being provided with microporous structure layer, for enhancing heat dissipation effect, provide the passage of heat diffusion, reduce local overheating area, while improving the air permeability of overall film by microporous structure, by being provided with isolation layer, effectively isolate other functional layer, ensure that the heat dissipation effect of graphene layer is not influenced by other materials, while improving the mechanical strength of film.
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Description

Technical Field

[0001] This utility model relates to the field of shielding film technology, specifically a graphene heat dissipation shielding film. Background Technology

[0002] Currently, as electronic devices develop towards higher frequencies, higher integration, and miniaturization, electromagnetic interference and heat dissipation problems are becoming increasingly prominent.

[0003] As electronic devices rapidly develop towards higher integration and higher performance, the heat generated by their internal components during operation increases dramatically. If this heat cannot be dissipated in a timely and effective manner, it will lead to increased device temperature, causing serious problems such as performance degradation, shortened lifespan, or even damage. At the same time, electronic devices also face a complex electromagnetic interference environment during operation. Electromagnetic interference not only affects the normal operation of the device itself, but may also have adverse effects on other surrounding electronic devices.

[0004] Therefore, a graphene heat dissipation shielding film is proposed to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned shortcomings in the existing technology by proposing a graphene heat dissipation shielding film.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a graphene heat dissipation shielding film, comprising a shielding film assembly, the shielding film assembly comprising an inner layer, a support layer disposed on the inner layer, a microporous structure layer disposed on the support layer, an isolation layer disposed on the microporous structure layer, a protective layer disposed on the isolation layer, a reinforcement layer disposed on the protective layer, a shielding layer disposed on the reinforcement layer, a graphene-based composite layer disposed on the shielding layer, and an outer layer disposed on the graphene-based composite layer.

[0007] Preferably, the inner layer is made of thermally conductive silicone.

[0008] Preferably, the support layer is made of carbon fiber.

[0009] Preferably, the microporous structure layer is made of a carbon material with a porous structure.

[0010] Preferably, the isolation layer is made of low-density polyethylene, and the protective layer is made of polytetrafluoroethylene.

[0011] Preferably, the reinforcing layer is made of aluminum oxide, and the shielding layer is made of aluminum foil.

[0012] Preferably, the graphene-based composite layer is made of graphene film, and the outer layer is made of polyimide.

[0013] Compared with the prior art, this utility model provides a graphene heat dissipation shielding film, which has the following beneficial effects:

[0014] 1. This utility model, by setting an inner layer to provide additional thermal conductivity buffer, helps to evenly distribute heat and avoid the generation of high-temperature hot spots, while ensuring that the overall heat dissipation effect is not affected by the external environment, by setting a microporous structure layer to enhance the heat dissipation effect, provide heat diffusion channels, reduce local overheating areas, and improve the overall membrane permeability through the microporous structure, and by setting an isolation layer to effectively isolate other functional layers, ensure that the heat dissipation effect of the graphene layer is not affected by other materials, and improve the mechanical strength of the membrane;

[0015] 2. This utility model provides electrical insulation protection by including a protective layer to prevent electrical short circuits between the conductive layer and electronic equipment, while ensuring that the electromagnetic shielding function is not affected. It also includes an enhancement layer to improve thermal conductivity, further promoting heat distribution within the device and preventing damage caused by excessively high local temperatures. A shielding layer provides efficient electromagnetic shielding to prevent electromagnetic interference from entering or leaking, ensuring normal operation of the device, especially protecting sensitive circuits. A graphene-based composite layer, with graphene's excellent thermal and electrical conductivity, effectively conducts heat from the device surface to the outside. An outer layer provides physical protection against external physical damage, moisture, dust, etc., while also exhibiting high temperature resistance and chemical stability.

[0016] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a graphene heat dissipation shielding film proposed in this utility model.

[0018] Figure 2 This is a partial exploded view of the shielding film assembly of a graphene heat dissipation shielding film proposed in this utility model.

[0019] Figure 3 This is an enlarged view of point A of the graphene heat dissipation shielding film proposed in this utility model.

[0020] In the figure: 1. Shielding film assembly; 11. Inner layer; 12. Support layer; 13. Microporous structure layer; 14. Isolation layer; 15. Protective layer; 16. Reinforcing layer; 17. Shielding layer; 18. Graphene-based composite layer; 19. Outer layer. Detailed Implementation

[0021] 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.

[0022] Example:

[0023] Please see Figure 1 - Figure 3 This embodiment discloses a graphene heat dissipation shielding film, including a shielding film assembly 1. The shielding film assembly 1 includes an inner layer 11, which provides additional thermal conductivity buffering to help evenly distribute heat and prevent the generation of high-temperature hot spots, while ensuring that the overall heat dissipation effect is not affected by the external environment. A support layer 12 is provided on the inner layer 11, which increases the mechanical strength and durability of the structure, ensuring that the morphology and performance of the film remain stable under high temperature, high pressure, or long-term use conditions. A microporous structure layer 13 is provided on the support layer 12, which enhances the heat dissipation effect, provides channels for heat diffusion, reduces local overheating areas, and improves the overall air permeability of the film through the microporous structure. An isolation layer 14 is provided on the microporous structure layer 13, which effectively isolates other functional layers, ensuring that the heat dissipation effect of the graphene layer is not affected by other materials, while improving the mechanical strength of the film. A protective layer 15 is provided on the isolation layer 14. The protective layer 15 provides electrical insulation protection, preventing electrical short circuits between the conductive layer and electronic equipment, while ensuring that the electromagnetic shielding function is not affected. An enhancement layer 16 is provided on the protective layer 15 to enhance thermal conductivity, further promoting heat distribution within the device and preventing damage caused by excessively high local temperatures. A shielding layer 17 is provided on the enhancement layer 16 to provide efficient electromagnetic shielding, preventing electromagnetic interference from entering or leaking, ensuring normal device operation, especially protecting sensitive circuits. A graphene-based composite layer 18 is provided on the shielding layer 17. Graphene has excellent thermal and electrical conductivity, effectively conducting heat from the device surface to the outside. An outer layer 19 is provided on the graphene-based composite layer 18 to provide physical protection, preventing external physical damage, moisture, dust, etc., from affecting the membrane, while also exhibiting high temperature resistance and chemical stability.

[0024] The inner layer 11 is made of thermally conductive silicone. By setting the inner layer 11, it is used to provide additional thermal conductivity buffer, help to distribute heat evenly and avoid the generation of high-temperature hot spots, while ensuring that the overall heat dissipation effect is not affected by the external environment.

[0025] The support layer 12 is made of carbon fiber. By setting the support layer 12, the mechanical strength and durability of the structure are increased, and the morphology and performance of the membrane are kept stable under high temperature, high pressure or long-term use conditions.

[0026] The microporous structure layer 13 is made of carbon material with a porous structure. By setting the microporous structure layer 13, the heat dissipation effect is enhanced, heat diffusion channels are provided, local overheating areas are reduced, and the overall membrane permeability is improved through the microporous structure.

[0027] The isolation layer 14 is made of low-density polyethylene. By setting the isolation layer 14, other functional layers are effectively isolated, ensuring that the heat dissipation effect of the graphene layer is not affected by other materials, while improving the mechanical strength of the film. The protective layer 15 is made of polytetrafluoroethylene. By setting the protective layer 15, electrical insulation protection is provided to prevent electrical short circuits between the conductive layer and electronic equipment, while ensuring that the electromagnetic shielding function is not affected.

[0028] The reinforcing layer 16 is made of aluminum oxide. By setting the reinforcing layer 16, the thermal conductivity is enhanced, further promoting the distribution of heat in the device and avoiding damage to the device due to excessive local temperature. The shielding layer 17 is made of aluminum foil. By setting the shielding layer 17, the efficient electromagnetic shielding is provided to prevent electromagnetic interference from entering or leaking, ensuring the normal operation of the device, especially the protection of sensitive circuits.

[0029] The graphene-based composite layer 18 is made of graphene film. With the graphene-based composite layer 18, graphene has excellent thermal and electrical conductivity, which can effectively conduct heat from the device surface to the outside. The outer layer 19 is made of polyimide. With the outer layer 19, it is used to provide physical protection to prevent external physical damage, moisture, dust and other factors from affecting the membrane. At the same time, it has high temperature resistance and chemical stability.

[0030] The inner layer 11 provides additional thermal conductivity buffering, helping to evenly distribute heat and prevent the formation of hot spots, while ensuring that the overall heat dissipation effect is not affected by the external environment. The microporous structure layer 13 enhances the heat dissipation effect, provides channels for heat diffusion, reduces local overheating areas, and improves the overall permeability of the membrane through the microporous structure. The isolation layer 14 effectively isolates other functional layers, ensuring that the heat dissipation effect of the graphene layer is not affected by other materials, while also improving the mechanical strength of the membrane. The protective layer 15 provides electrical insulation protection, preventing electrical short circuits between the conductive layer and electronic devices, while also ensuring electromagnetic shielding. Unaffected by the presence of an enhancement layer 16, which enhances thermal conductivity and further promotes heat distribution within the device, preventing damage caused by excessively high local temperatures, the device is protected by a shielding layer 17 that provides efficient electromagnetic shielding to prevent electromagnetic interference from entering or leaking, ensuring normal operation of the device, especially protecting sensitive circuits. A graphene-based composite layer 18 is provided, leveraging graphene's excellent thermal and electrical conductivity to effectively conduct heat from the device surface to the outside. An outer layer 19 provides physical protection against external physical damage, moisture, dust, and other contaminants, while also exhibiting high temperature resistance and chemical stability.

[0031] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that can achieve its beneficial effects can be implemented.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0033] 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 graphene heat dissipation shielding film, comprising a shielding film assembly (1), characterized in that: The shielding membrane assembly (1) includes an inner layer (11), a support layer (12) is disposed on the inner layer (11), a microporous structure layer (13) is disposed on the support layer (12), an isolation layer (14) is disposed on the microporous structure layer (13), a protective layer (15) is disposed on the isolation layer (14), an enhancement layer (16) is disposed on the protective layer (15), a shielding layer (17) is disposed on the enhancement layer (16), a graphene-based composite layer (18) is disposed on the shielding layer (17), and an outer layer (19) is disposed on the graphene-based composite layer (18).

2. The graphene heat dissipation shielding film according to claim 1, characterized in that: The inner layer (11) is made of thermally conductive silicone.

3. The graphene heat dissipation shielding film according to claim 1, characterized in that: The support layer (12) is made of carbon fiber.

4. The graphene heat dissipation shielding film according to claim 1, characterized in that: The microporous structure layer (13) is made of carbon material with a porous structure.

5. The graphene heat dissipation shielding film according to claim 1, characterized in that: The isolation layer (14) is made of low-density polyethylene, and the protective layer (15) is made of polytetrafluoroethylene.

6. The graphene heat dissipation shielding film according to claim 1, characterized in that: The reinforcing layer (16) is made of aluminum oxide, and the shielding layer (17) is made of aluminum foil.

7. The graphene heat dissipation shielding film according to claim 1, characterized in that: The graphene-based composite layer (18) is made of graphene film, and the outer layer (19) is made of polyimide.