Composite radiating fin

Abstract

The utility model relates to a composite cooling fin which comprises a cooling fin body, a heat conduction strengthening layer is arranged at the bottom of the cooling fin body, a mounting base is arranged at the bottom of the heat conduction strengthening layer, an adhesive layer is arranged at the bottom of the mounting base, a protective film is arranged at the bottom of the adhesive layer, and hand tearing blocks are arranged at the four corners of the protective film. The clamping mechanisms are arranged on the side walls of the two ends of the mounting seat, and the heat conduction reinforcing layer is placed in the mounting seat, so that the two ends of the heat conduction reinforcing layer extrude the clamping columns penetrating out of the inner walls of the two ends of the mounting seat, and the clamping columns slide along the sliding grooves formed in the two ends of the heat conduction reinforcing layer and penetrate into the fixing holes formed in the two ends of the heat conduction reinforcing layer; and the heat conduction reinforcing layer is clamped and fixed at the top of the mounting seat, so that the cooling fin main body is more convenient to mount.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of radiating fins, in particular to a composite radiating fin. BACKGROUND

[0002] A radiating fin is a device for dissipating heat from electronic components in an electric appliance, which is made of aluminum alloy, brass or bronze into a plate, a sheet or multiple sheets. For example, a CPU (Central Processing Unit) in a computer needs a large radiating fin, and power tubes, row tubes and power amplifier tubes in a television set need radiating fins.

[0003] Some existing composite radiating fins need to be fixed by screws during use, which is inconvenient during installation and disassembly, and thus reduces practicability. CONTENT OF THE INVENTION

[0004] In order to solve the problems in the background art, the application provides a composite radiating fin.

[0005] The composite radiating fin provided by the application adopts the following technical scheme:

[0006] The composite radiating fin comprises a radiating fin body, a heat conduction strengthening layer arranged at the bottom of the radiating fin body, a mounting seat arranged at the bottom of the heat conduction strengthening layer, clamping mechanisms arranged at both ends of the mounting seat and used for fixing the heat conduction strengthening layer, a glue layer arranged at the bottom of the mounting seat, a protective film arranged at the bottom of the glue layer, and hand tearing blocks arranged at four corners of the protective film.

[0007] Preferably, the clamping mechanisms comprise three groups of symmetrical clamping columns penetrating through the side walls of the mounting seat at both ends, and one end of the three groups of clamping columns is matched with the fixing holes arranged at the side walls of the heat conduction strengthening layer at both ends.

[0008] Preferably, the other end of the three groups of clamping columns penetrates into the through holes arranged at the side walls of the mounting seat at both ends and slides in the circular cavities arranged at the side walls of the mounting seat at both ends.

[0009] Preferably, the other end of the three groups of clamping columns is further connected with one end of a spring arranged in the circular cavity, and the other end of the spring is connected with the inner wall of one end of the circular cavity.

[0010] Preferably, the radiating fin bodies are arranged in a stepped manner on the top of the heat conduction strengthening layer, an inclined surface is arranged at the top of the radiating fin body at both ends, and a sliding groove is arranged at the edge of the fixing hole of the side wall of the heat conduction strengthening layer at both ends.

[0011] Preferably, the mounting seat is internally provided with a placing groove, and a heat-conducting sheet is arranged in the placing groove, the top of the heat-conducting sheet is attached to the bottom of the heat-conducting reinforcing layer, and the bottom of the heat-conducting sheet is provided with heat-conducting silicone grease, and the bottom of the heat-conducting silicone grease is attached to the protective film.

[0012] Preferably, the heat-conducting reinforcing layer is a composite material layer mixed by boron nitride nanosheets and silver nanowires, and has good heat conduction performance.

[0013] In summary, the present application has the following beneficial technical effects:

[0014] 1. The clamping mechanism is arranged, the heat-conducting reinforcing layer connected with the heat-dissipating fin body is placed in the mounting seat, the clamping columns penetrating through the inner walls of the two ends of the mounting seat are extruded, the clamping columns slide along the sliding grooves arranged at the two ends of the heat-conducting reinforcing layer and penetrate into the fixing holes arranged at the two ends of the heat-conducting reinforcing layer, and the heat-conducting reinforcing layer is clamped and fixed on the top of the mounting seat, so that the installation of the heat-dissipating fin body is more convenient.

[0015] 2. The heat-conducting sheet and the heat-conducting silicone grease arranged in the mounting seat are used, the heat-conducting sheet is attached to the heat-conducting reinforcing layer, the heat-conducting performance is improved, the bottom of the heat-conducting silicone grease is attached to the protective film, and the heat-conducting silicone grease protects the bottom when not in use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structure schematic view of a composite heat-dissipating fin in the embodiment of the present application;

[0017] Figure 2 is a structure sectional view of the clamping mechanism of the side walls of the two ends of the mounting seat in the embodiment of the present application;

[0018] Figure 3 is a structure sectional view of the clamping mechanism of the side walls of the two ends of the mounting seat in the embodiment of the present application; Figure 2 is an enlarged view of structure A in the embodiment of the present application;

[0019] Figure 4 is a structure schematic view of the heat-conducting reinforcing layer in the embodiment of the present application;

[0020] Figure 5 is a structure sectional view of the bottom of the mounting seat in the embodiment of the present application.

[0021] The specific embodiments of the present application are described in detail below with reference to the accompanying drawings. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application are described in detail below with reference to the accompanying drawings. Figure 1 The specific embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0023] The embodiment of the application discloses a composite heat dissipation fin, which comprises a heat dissipation fin body 1, a heat conduction strengthening layer 2 arranged at the bottom of the heat dissipation fin body 1, a mounting seat 3 arranged at the bottom of the heat conduction strengthening layer 2, clamping mechanisms arranged at the two ends of the mounting seat 3 and used for fixing the heat conduction strengthening layer 2, a viscose layer 4 arranged at the bottom of the mounting seat 3, a protective film 5 arranged at the bottom of the viscose layer 4, hand tearing blocks 6 arranged at the four corners of the protective film 5, and the heat conduction strengthening layer 2 is a composite material layer mixed by boron nitride nanosheets and silver nanowires, and has good heat conduction performance.

[0024] Referring to Figure 2 , Figure 3 and Figure 4 , the clamping mechanisms comprise three groups of symmetrical clamping columns 7 penetrating through the side walls of the mounting seat 3, one end of the three groups of clamping columns 7 is matched with fixing holes 8 arranged at the side walls of the heat conduction strengthening layer 2, the other end of the three groups of clamping columns 7 penetrates through through holes arranged at the side walls of the mounting seat 3 and slides in the circular cavities arranged at the side walls of the mounting seat 3, the other end of the three groups of clamping columns 7 is further connected with one end of springs 9 arranged in the circular cavities, the other end of the springs 9 is connected with the inner wall of one end of the circular cavities, the heat dissipation fin bodies 1 are arranged in a ladder shape on the top of the heat conduction strengthening layer 2, an inclined surface 10 is arranged at the top of the heat dissipation fin body 1 and located at the corner of the two ends, and sliding grooves 11 are arranged at the edges of the fixing holes 8 and located at the side walls of the heat conduction strengthening layer 2, and more specifically, the heat conduction strengthening layer 2 connected with the heat dissipation fin body 1 is placed in the mounting seat 3, the clamping columns 7 penetrating through the inner walls of the two ends of the mounting seat 3 are extruded by the two ends of the heat conduction strengthening layer 2, the clamping columns 7 slide along the sliding grooves 11 arranged at the two ends of the heat conduction strengthening layer 2 and penetrate into the fixing holes 8 arranged at the two ends of the heat conduction strengthening layer 2, and the heat conduction strengthening layer 2 is clamped and fixed on the top of the mounting seat 3, so that the installation of the heat dissipation fin body 1 is more convenient.

[0025] Referring to Figure 4 , the mounting seat 3 is internally provided with a placing groove, and a heat conduction fin 12 is arranged in the placing groove, the top of the heat conduction fin 12 is attached to the bottom of the heat conduction strengthening layer 2, the bottom of the heat conduction fin 12 is provided with heat conduction silicone grease 13, and the bottom of the heat conduction silicone grease 13 is attached to the protective film 5, and more specifically, the heat conduction fin 12 and the heat conduction silicone grease 13 are arranged in the mounting seat 3, and the heat conduction fin 12 is attached to the heat conduction strengthening layer 2, so that the heat conduction performance is improved.

[0026] The implementation principle of the composite heat dissipation fin provided in the embodiment of the application is as follows: in use, the heat conduction reinforcing layer 2 connected with the heat dissipation fin body 1 is placed on the top of the mounting seat 3, the clamping columns 7 penetrating the inner walls of the two ends of the mounting seat 3 are extruded by the two ends of the heat conduction reinforcing layer 2, the clamping columns 7 slide along the sliding grooves 11 formed in the two ends of the heat conduction reinforcing layer 2, and penetrate into the fixing holes 8 formed in the two ends of the heat conduction reinforcing layer 2, so that the heat conduction reinforcing layer 2 is clamped and fixed on the top of the mounting seat 3, thereby making the mounting of the heat dissipation fin body 1 more convenient, the heat conduction fins 12 arranged in the mounting seat 3 and the heat conduction silicone grease 13 make the heat conduction fins 12 adhere to the heat conduction reinforcing layer 2, thereby improving the heat conduction performance, and the bottom of the heat conduction silicone grease 13 adheres to the protective film 5, so that the bottom is protected when the heat conduction silicone grease 13 is not used.

[0027] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A composite heat sink comprising a heat sink body (1), characterized in that: The bottom of the fin body (1) is provided with a heat conduction strengthening layer (2), the bottom of the heat conduction strengthening layer (2) is provided with a mounting seat (3), the two ends of the mounting seat (3) are provided with clamping mechanisms for fixing the heat conduction strengthening layer (2), the bottom of the mounting seat (3) is provided with an adhesive layer (4), the bottom of the adhesive layer (4) is provided with a protective film (5), and the four corners of the protective film (5) are provided with hand tearing blocks (6).

2. The composite heat sink of claim 1, wherein: The clamping mechanism comprises three groups of symmetrical clamping columns (7) passing through the side walls of the two ends of the mounting seat (3), and the one ends of the three groups of clamping columns (7) are matched with the fixing holes (8) opened in the side walls of the two ends of the heat conduction strengthening layer (2).

3. The composite heat sink of claim 2, wherein: The other ends of the three groups of clamping columns (7) pass through the through holes opened in the side walls of the two ends of the mounting seat (3) and slide in the circular cavities opened in the side walls of the two ends of the mounting seat (3).

4. The composite heat sink of claim 3, wherein: The other ends of the three groups of clamping columns (7) are also connected with one ends of the springs (9) arranged in the circular cavities, and the other ends of the springs (9) are connected with the inner walls of one end of the circular cavities.

5. The composite heat sink of claim 1, wherein: The fin body (1) is arranged in a stepped manner on the top of the heat conduction strengthening layer (2), and the top of the fin body (1) is provided with an inclined surface (10) at the corners of the two ends, and the side walls of the two ends of the heat conduction strengthening layer (2) are provided with sliding grooves (11) at the edges of the fixing holes (8).

6. The composite heat sink of claim 1, wherein: The mounting seat (3) is provided with a heat conduction sheet (12) arranged in the placing groove, the top of the heat conduction sheet (12) is attached to the bottom of the heat conduction strengthening layer (2), the bottom of the heat conduction sheet (12) is provided with a heat conduction silicone grease (13), and the bottom of the heat conduction silicone grease (13) is attached to the protective film (5).

7. The composite heat sink of claim 1, wherein: The heat conduction strengthening layer (2) is a composite material layer mixed by boron nitride nanosheets and silver nanowires, and has good heat conduction performance.

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