Novel high-performance heat-conducting wave-absorbing gasket

Abstract

The utility model discloses a novel high-performance heat-conducting and wave-absorbing gasket which comprises a gasket body, and the gasket body comprises a first metal foil, a first adhesive layer, a first heat-conducting and wave-absorbing plate, a second adhesive layer, a second heat-conducting and wave-absorbing plate and a second metal foil which are sequentially distributed. The first metal foil, the first adhesive layer, the first heat-conducting and wave-absorbing plate, the second adhesive layer, the second heat-conducting and wave-absorbing plate and the second metal foil are respectively connected through corresponding double-sided adhesive films, a plurality of supporting sheets which are distributed at equal intervals are arranged on the gasket main body, and heat dissipation grooves are formed among the supporting sheets. The heat-conducting and wave-absorbing gasket is scientific and reasonable in structural design, has the advantage of double heat conduction after being compounded with the metal foil, and is good in surface compatibility and excellent in operability.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat conduction wave absorbing gasket equipment technical field, concretely to a novel high performance heat conduction wave absorbing gasket. BACKGROUND

[0002] The heat conduction gasket is filled between the air gap of the heating device and the heat dissipation fin or metal base, and the flexible and elastic characteristics thereof enable it to be used for covering very uneven surfaces, heat is conducted from the separated device or the whole PCB to the metal shell or diffusion plate, thereby the efficiency and service life of the heating electronic assembly can be improved, the current heat conduction gasket has the following shortcomings: 1. Single layer wave absorbing material and heat conduction wave absorbing gasket poor heat conduction effect, poor wetting effect, low strength. 2. The wave absorbing material is compounded with the metal foil, but the surface has no adhesion, the combination stability is poor, the shielding property is not good, and the heat dissipation problem cannot be solved well for special application scenarios. For this purpose, a novel high performance heat conduction wave absorbing gasket is provided. SUMMARY

[0003] The utility model discloses a novel high performance heat conduction wave absorbing gasket to solve the problem in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a novel high performance heat conduction wave absorbing gasket, including gasket main part, the gasket main part includes the first metal foil, first adhesive layer, first heat conduction wave absorbing sheet, second adhesive layer, second heat conduction wave absorbing sheet and second metal foil that distribute in proper order, the first metal foil, first adhesive layer, first heat conduction wave absorbing sheet, second adhesive layer, second heat conduction wave absorbing sheet and second metal foil are connected respectively through the corresponding double-sided adhesive film, be provided with a plurality of equidistance distribution's support sheet on the gasket main part, be set with the heat dissipation groove between the support sheet.

[0005] In the above scheme, the edge of the support sheet is provided with a stop edge.

[0006] In the above scheme, the thickness of the first metal foil and the second metal foil is 0.02mm.

[0007] In the above scheme, the thickness of the first adhesive layer and the second adhesive layer is 0.03mm.

[0008] In the above scheme, the first adhesive layer and the second adhesive layer are heat-conducting silicone grease layers.

[0009] In the above scheme, the first metal foil and the second metal foil are aluminum foil layers.

[0010] In the above scheme, the bottom of the gasket main part is further provided with a release film layer.

[0011] Compared with the prior art, the novel high-performance heat-conducting wave-absorbing gasket has the advantages that the structure design is simple and reasonable, has strong practicability, the first metal foil, the first adhesive layer, the first heat-conducting wave-absorbing sheet, the second adhesive layer, the second heat-conducting wave-absorbing sheet and the second metal foil are connected through corresponding double-sided adhesive films, the heat-conducting wave-absorbing gasket is combined with the metal foil, so that the gasket has double heat-conducting advantages, the gasket surface has good compatibility and excellent operability, the first adhesive layer and the second adhesive layer cooperate to form a good heat conduction channel to conduct heat, in addition, the heat-conducting wave-absorbing gasket is provided with the first heat-conducting wave-absorbing sheet and the second heat-conducting wave-absorbing sheet, good shielding of electromagnetic waves is realized, and multiple heat-conducting effects are achieved, and the support sheet is arranged on the gasket body, and the heat dissipation grooves are formed in the side surface of the support sheet, so that the effect of facilitating heat dissipation is realized. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structural schematic view of the utility model.

[0013] Fig. 2 It is a structural schematic view of the utility model.

[0014] In the drawing: 1, gasket body 11, first metal foil 12, first adhesive layer 13, first heat-conducting wave-absorbing sheet 14, second adhesive layer 15, second heat-conducting wave-absorbing sheet 16, second metal foil 17, double-sided adhesive film 18, baffle 19, support sheet 2, heat dissipation groove. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0016] Please refer to Figs. 1-2 The utility model provides a technical scheme: a novel high-performance heat-conducting wave-absorbing gasket, including gasket body 1, the gasket body 1 includes first metal foil 11, first adhesive layer 12, first heat-conducting wave-absorbing sheet 13, second adhesive layer 14, second heat-conducting wave-absorbing sheet 15 and second metal foil 16 that distribute in proper order, first metal foil 11, first adhesive layer 12, first heat-conducting wave-absorbing sheet 13, second adhesive layer 14, second heat-conducting wave-absorbing sheet 15 and second metal foil 16 are connected between the corresponding double-sided adhesive film 17 respectively, a plurality of equidistance distribution's support sheet 19 is provided on gasket body 1, and heat dissipation groove 2 is opened between support sheet 19.

[0017] The first metal foil 11, the first adhesive layer 12, the first heat-conducting wave-absorbing sheet 13, the second adhesive layer 14, the second heat-conducting wave-absorbing sheet 15 and the second metal foil 16 are connected through the corresponding double-sided adhesive film 17, so that the heat-conducting wave-absorbing gasket and the metal foil are combined, and the gasket has the double heat-conducting advantages, and the gasket surface has good compatibility and excellent operability.

[0018] In the above scheme, the edge of the support sheet 19 is provided with a stop edge 18. The design of the stop edge 18 can avoid dust from entering the heat dissipation groove 2 from the side.

[0019] In the above scheme, the thickness of the first metal foil 11 and the second metal foil 16 is 0.02mm.

[0020] In addition, the heat-conducting wave-absorbing gasket is provided with the first heat-conducting wave-absorbing sheet 13 and the second heat-conducting wave-absorbing sheet 15. Specifically, the wave-absorbing sheet is filled with magnetic powder, which is a wave-absorbing material and can absorb electromagnetic wave energy transmitted to its surface to achieve good shielding of electromagnetic waves and achieve multiple heat-conducting effects. The support sheet 19 is arranged on the gasket body 1 to improve the support performance of the gasket body 1, and the heat dissipation groove 2 is arranged on the side of the support sheet 19 to achieve the effect of easy heat dissipation.

[0021] In the above scheme, the thickness of the first adhesive layer 12 and the second adhesive layer 14 is 0.03mm.

[0022] In the above scheme, the first adhesive layer 12 and the second adhesive layer 14 are heat-conducting silicone grease layers. The first adhesive layer 12 and the second adhesive layer 14 cooperate to form a good heat conduction channel to conduct heat out. Specifically, the heat-conducting silicone grease has excellent heat-conducting, insulating, shock-resistant and aging-resistant properties and can work for a long time in the temperature range of-50℃ to 300℃ without corrosion to various materials.

[0023] In the above scheme, the first metal foil 11 and the second metal foil 16 are aluminum foil layers.

[0024] In the above scheme, the bottom of the gasket body 1 is further provided with a release film layer.

[0025] Working principle:

[0026] The novel high-performance heat-conducting wave-absorbing gasket has the advantages that the first metal foil 11, the first adhesive layer 12, the first heat-conducting wave-absorbing sheet 13, the second adhesive layer 14, the second heat-conducting wave-absorbing sheet 15 and the second metal foil 16 are connected through the corresponding double-sided adhesive film 17, the heat-conducting wave-absorbing gasket is combined with the metal foil, the gasket has the double heat-conducting advantages, the gasket surface has good compatibility and excellent operability, the first adhesive layer 12 and the second adhesive layer 14 cooperate to form a good heat-conducting channel to conduct heat, the heat-conducting wave-absorbing gasket is provided with the first heat-conducting wave-absorbing sheet 13 and the second heat-conducting wave-absorbing sheet 15 to achieve good shielding of electromagnetic waves and multiple heat-conducting effects, the support sheet 19 is arranged on the gasket main body 1 to improve the support performance of the gasket main body 1, and the heat dissipation groove 2 is arranged on the side surface of the support sheet 19 to meet the heat-conducting and heat-dissipating requirements of the gasket main body.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A novel high-performance heat-conducting wave-absorbing gasket, comprising a gasket body (1), characterized in that: The gasket body (1) comprises a first metal foil (11), a first adhesive layer (12), a first heat-conducting wave-absorbing sheet (13), a second adhesive layer (14), a second heat-conducting wave-absorbing sheet (15) and a second metal foil (16) distributed in sequence, the first metal foil (11), the first adhesive layer (12), the first heat-conducting wave-absorbing sheet (13), the second adhesive layer (14), the second heat-conducting wave-absorbing sheet (15) and the second metal foil (16) are connected by corresponding double-sided adhesive films (17) respectively, a plurality of support sheets (19) are arranged on the gasket body (1) at equal distances, and heat dissipation grooves (2) are arranged between the support sheets (19).

2. The novel high-performance heat-conducting wave-absorbing gasket according to claim 1, characterized in that: The edges of the support sheets (19) are provided with retaining edges (18).

3. The novel high-performance heat-conducting wave-absorbing gasket according to claim 1, characterized in that: The thicknesses of the first metal foil (11) and the second metal foil (16) are 0.02 mm.

4. The novel high-performance heat-conducting wave-absorbing gasket according to claim 1, characterized in that: The thicknesses of the first adhesive layer (12) and the second adhesive layer (14) are 0.03 mm.

5. The novel high-performance heat-conducting wave-absorbing gasket according to claim 1, characterized in that: The first adhesive layer (12) and the second adhesive layer (14) are heat-conducting silicone grease layers.

6. The novel high-performance heat-conducting wave-absorbing gasket according to claim 1, characterized in that: The first metal foil (11) and the second metal foil (16) are aluminum foil layers.

7. The novel high-performance heat-conducting wave-absorbing gasket according to claim 1, characterized in that: The bottom of the gasket body (1) is further provided with a release film layer.

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