High-heat-conductivity, insulating and flexible composite phase-change heat-conducting gasket
Through the design of high -heat conductive, insulation and flexible composite phase transformer heat conductive pads, including the closed thermal cavity and phase change thermal conductivity, the problem of low heat transfer efficiency of existing heat conduction pads is solved, realized the efficient heat dissipation effect and avoided the cashmere rupture The problem of leaking liquid leakage of the phase change.
Patent Information
- Application Number
- CN202420907248.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-04-25
AI Technical Summary
The heat transfer efficiency of existing thermal gaskets is slow and cannot meet the heat dissipation needs of high-power electronic devices and equipment.
Design a high -heat conductive, insulated and flexible composite phase transformer heat conductive pads, including the first silicone layer and the second silicone layer of the composite composite. There are closed thermal conductivity and phase transformer thermal layer between them. Essence
By setting the phase -changing thermal layer to effectively improve the thermal conductivity, the pressure balanced structure The balance of the surface of the pad, to avoid the problem of the pads rupture and the leakage of the phase transformer thermal conductivity.
Smart Images
Figure CN222424530U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of gaskets, in particular to a high thermal conductivity, insulating and flexible composite phase-change thermally conductive gasket. Background Art
[0002] In recent years, with the rapid development of electronic technology, electronic devices and equipment have gradually shown the characteristics of miniaturization and high integration to meet the needs of high-performance electronic products; at the same time, the high power and high heat flux density brought about by them make electronic devices and equipment face the risk of thermal failure during operation. Therefore, the use of efficient heat dissipation methods has become an urgent need for energy saving and life extension of electronic devices and equipment. At present, thermal conductive gaskets are often used in electronic equipment to fill gaps so that heat can be transferred quickly to achieve heat dissipation effects, but conventional thermal conductive gaskets have a slow heat transfer efficiency and cannot meet the use requirements.
[0003] Therefore, there is an urgent need for a high thermal conductivity, insulating flexible composite phase change thermal gasket that can solve the above problems. Utility Model Content
[0004] The utility model aims to provide a high thermal conductivity, insulating and flexible composite phase-change thermally conductive pad to solve the problems existing in the above-mentioned prior art.
[0005] To achieve the above purpose, the utility model provides the following solutions:
[0006] The utility model provides a high thermal conductivity, insulating flexible composite phase change thermal gasket, comprising a composite first silicone layer and a second silicone layer, a closed thermal conduction cavity is provided between the first silicone layer and the second silicone layer, a phase change thermal conduction layer is provided in the closed thermal conduction cavity, and pressure equalization structures are provided on the outside of the first silicone layer and the second silicone layer.
[0007] Preferably, graphene heat-conducting cores are provided in both the first silicone layer and the second silicone layer.
[0008] Preferably, the phase change heat conductive layer is made of organic phase change material.
[0009] Preferably, the pressure equalization structure comprises a plurality of stress-bearing circles, and the plurality of stress-bearing circles are concentrically arranged.
[0010] Preferably, the width of the stress-bearing circle is 4-8 mm.
[0011] Compared with the prior art, the utility model has achieved the following beneficial technical effects:
[0012] The utility model provides a high thermal conductivity, insulating flexible composite phase-change thermally conductive gasket, comprising a first silicone layer and a second silicone layer that are composited, a closed thermally conductive cavity is provided between the first silicone layer and the second silicone layer, a phase-change thermally conductive layer is provided in the closed thermally conductive cavity, and pressure-balancing structures are provided on the outsides of the first silicone layer and the second silicone layer; the thermally conductive efficiency can be effectively improved by providing the phase-change thermally conductive layer, and the pressure on the surface of the gasket can be balanced by providing the pressure-balancing structure, and the gasket will not be broken due to uneven force, thereby preventing the phase-change thermally conductive layer from leaking. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0014] Figure 1 The utility model provides a high thermal conductivity, insulation and flexible composite phase change thermal conductive gasket structure schematic diagram. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] The utility model aims to provide a high thermal conductivity, insulating and flexible composite phase-change thermally conductive pad to solve the problems existing in the prior art.
[0017] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0018] Embodiment 1:
[0019] This embodiment provides a high thermal conductivity, insulating and flexible composite phase change thermally conductive gasket, such as Figure 1 As shown, it includes a composite first silicone layer 1 and a second silicone layer 2, a closed heat conduction cavity 3 is provided between the first silicone layer 1 and the second silicone layer 2, a phase change heat conduction layer 4 is provided in the closed heat conduction cavity 3, and a pressure equalization structure 5 is provided outside the first silicone layer 1 and the second silicone layer 2.
[0020] As an implementation mode, a graphene heat-conducting core 6 is provided in both the first silicone layer 1 and the second silicone layer 2 to improve the heat-conducting efficiency.
[0021] As an implementation method, the phase change thermal conductive layer 4 adopts an organic phase change material. The organic phase change material is selected from single or eutectic phase change materials such as paraffin, fatty acids (lauric acid, isoleic acid, arachidonic acid, etc.), polyols (palmitoyl alcohol, pentadecyl alcohol, etc.) without supercooling, stable performance, and high latent heat. The phase change material can absorb or release heat when a solid-liquid phase change occurs, thereby achieving temperature control of the target device.
[0022] As an implementation mode, the pressure equalization structure 5 includes a plurality of stress-bearing circles, and the plurality of stress-bearing circles are concentrically arranged.
[0023] As an implementation mode, the width of the stress-bearing circle is 4 mm.
[0024] The utility model provides a high thermal conductivity, insulating flexible composite phase change thermal conductive gasket, which can effectively improve the thermal conductivity efficiency by setting a phase change thermal conductive layer, and can balance the pressure on the gasket surface by setting a pressure equalization structure, and will not cause the gasket to rupture due to uneven force and then cause the phase change thermal conductive layer to leak.
[0025] The utility model uses specific examples to illustrate the principle and implementation of the utility model. The above examples are only used to help understand the method and core idea of the utility model. At the same time, for those skilled in the art, according to the idea of the utility model, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the utility model.
Claims
1. A high thermal conductivity, insulating flexible composite phase change thermally conductive gasket, characterized in that: It comprises a composite first silicone layer and a second silicone layer, a closed heat conduction cavity is arranged between the first silicone layer and the second silicone layer, a phase change heat conduction layer is arranged in the closed heat conduction cavity, and pressure equalization structures are arranged outside the first silicone layer and the second silicone layer.
2. The high thermal conductivity, insulating flexible composite phase change thermally conductive gasket according to claim 1, characterized in that: Graphene heat-conducting cores are provided in both the first silicone layer and the second silicone layer.
3. The high thermal conductivity, insulating flexible composite phase change thermally conductive gasket according to claim 1, characterized in that: The phase change heat conductive layer adopts organic phase change material.
4. The high thermal conductivity, insulating flexible composite phase change thermally conductive gasket according to claim 1, characterized in that: The pressure equalization structure comprises a plurality of stress-bearing circles, and the plurality of stress-bearing circles are concentrically arranged.
5. The high thermal conductivity, insulating flexible composite phase change thermally conductive gasket according to claim 4, characterized in that: The width of the stress-bearing circle is 4-8 mm.