A multilayer composite aluminum substrate electromagnetic shielding assembly

Abstract

The utility model discloses a kind of multilayer composite aluminum substrate electromagnetic shielding components, including base, base inside is equipped with cooling fan, base top is equipped with installation box, installation box is equipped with circuit board, composite aluminum base layer and heat conduction plate, heat conduction plate bottom is equipped with cooling fin, two groups of corresponding insertion slot are opened in installation box inside, insertion slot inside is inserted with inserting rod, four inserting rods are fixedly connected with top cover between, limit slot is opened in inserting rod, first slider, second slider, push-pull plate and compression spring are equipped in installation box, first slider one end is clamped in limit slot.

Description

Technical Field

[0001] This utility model relates to the field of substrate technology, specifically to an electromagnetic shielding assembly for a multilayer composite aluminum substrate. Background Technology

[0002] Multilayer composite aluminum substrate electromagnetic shielding components are composite materials combining aluminum substrates and electromagnetic shielding technology. They are mainly used for heat dissipation and electromagnetic interference protection in electronic equipment. Their core features are excellent heat dissipation performance and double-sided wiring capability, making them widely used in high-power electronic equipment. The structure of a multilayer composite aluminum substrate electromagnetic shielding component typically includes a circuit layer, an insulating layer, and a metal base layer. The circuit layer uses electrolytic copper foil, etched to form a printed circuit. The insulating layer is the core component, serving as an adhesive, insulating, and heat-conducting layer. The metal base layer uses aluminum or other metal materials, possessing excellent thermal conductivity.

[0003] Existing composite aluminum substrates are mostly copper-aluminum composite substrates, which generally achieve heat dissipation by combining the heat absorption of copper and the heat dissipation of aluminum. However, relying solely on the heat dissipation effect brought by the material is not good and cannot meet the heat dissipation requirements of the substrate. Moreover, most existing copper-aluminum composite heat dissipation aluminum substrates require screw holes to be drilled on the substrate during installation, which can easily lead to damage to the substrate. Therefore, we propose a multi-layer composite aluminum substrate electromagnetic shielding component. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a multilayer composite aluminum substrate electromagnetic shielding assembly, which solves the problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-layer composite aluminum substrate electromagnetic shielding assembly, comprising a base, wherein multiple cooling fans are provided inside the base, a mounting box is provided on the top of the base, a circuit board, a composite aluminum base layer, and a heat-conducting plate are provided inside the mounting box, multiple heat dissipation fins are provided at the bottom of the heat-conducting plate, two corresponding insertion slots are provided inside the mounting box, and two sets of corresponding slots are provided inside the mounting box and outside the insertion slots, wherein insertion rods are inserted into the slots, and a top cover is fixedly connected between four insertion rods, a limit groove is provided inside the insertion rods, and a first limit groove is provided inside the mounting box and outside the slots. A first slide groove is provided, in which a first slider is slidably connected. One end of the first slider is engaged with the inside of a limiting groove. A second slide groove is provided inside the mounting box and located on one side of the first slide groove. A second slider is fixedly connected to one side of the first slider. The second slider is slidably connected inside the second slide groove. A push-pull groove is provided inside the mounting box and located between the two second slide grooves. A push-pull plate is fixedly connected between the two second sliders and slidably connected inside the push-pull groove. A plurality of compression springs are provided inside the second slide groove. One end of each compression spring is fixedly connected to the inner wall of the second slide groove, and the other end is fixedly connected to one side of the second slider.

[0006] Preferably, a pull rod is fixedly connected to one side of the push-pull plate, and one end of the pull rod extends to the outside of the mounting box.

[0007] Preferably, a plug-in plate is inserted into the plug slot, and a circuit board is fixedly connected between two plug-in plates. The plug-in plate and the plug rod cooperate with each other, the circuit board and the plug-in plate cooperate with each other, and the composite aluminum base layer cooperates with the heat-conducting plate and the circuit board.

[0008] Preferably, the top cover has multiple connection holes inside, and the bottom of the mounting box is fixedly connected to four corresponding fixing rods. The fixing rods are equipped with fixing bolts inside, and the mounting box is fixed to the top of the base by fixing rods and fixing bolts.

[0009] Preferably, the outer sides of the mounting box and the top cover are coated with a conductive coating.

[0010] This utility model provides a multilayer composite aluminum substrate electromagnetic shielding assembly, which has the following beneficial effects:

[0011] 1. This multi-layer composite aluminum substrate electromagnetic shielding assembly, through the cooperation of the circuit board, composite aluminum base, heat-conducting plate, heat dissipation fins and heat dissipation fan, can dissipate heat from the circuit board, thereby improving the heat dissipation effect. The composite aluminum base, plug-in plate and circuit board are snapped into the inside of the mounting box, and then limited and fixed by the plug rod and top cover, so that there is no need to open threaded holes and avoid damage to them.

[0012] 2. The multi-layer composite aluminum substrate electromagnetic shielding assembly, through the cooperation of the first slider, the second slider, the push-pull plate and the pull rod, pulls the first slider out of the limiting groove, thereby releasing the limitation on the plug rod. Then, the plug rod can be pulled out of the slot through the top cover, thereby releasing the limitation on the plug-in plate and the circuit board, thus facilitating their disassembly and assembly, and improving the practicality of the multi-layer composite aluminum substrate electromagnetic shielding assembly. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of a preferred embodiment of the present invention;

[0014] Figure 2 for Figure 1 A schematic diagram of the unfolded installation box;

[0015] Figure 3 for Figure 1 Internal structure diagram of the mounting box;

[0016] Figure 4 for Figure 3 A schematic diagram of the structure of the second slide groove.

[0017] In the diagram: 1. Base; 2. Cooling fan; 3. Mounting box; 4. Fixing rod; 5. Plug-in slot; 6. Plug-in plate; 7. Circuit board; 8. Composite aluminum base; 9. Slot; 10. Insert rod; 11. Top cover; 12. Connecting hole; 14. Limiting slot; 15. First slide groove; 16. First slider; 17. Second slide groove; 18. Second slider; 19. Compression spring; 20. Heat-conducting plate; 21. Heat dissipation fins; 22. Push-pull groove; 23. Push-pull plate; 24. Pull rod. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Please see Figures 1 to 4This utility model provides a technical solution: a multi-layer composite aluminum substrate electromagnetic shielding assembly, including a base 1, a mounting box 3 on the top of the base 1, a heat-conducting plate 20 inside the mounting box 3, multiple heat dissipation fins 21 at the bottom of the heat-conducting plate 20, two corresponding insertion slots 5 inside the mounting box 3, insertion plates 6 inserted into the insertion slots 5, a circuit board 7 fixedly connected between the two insertion plates 6, the circuit board 7 and the insertion plates 6 cooperating with each other, a composite aluminum base layer 8 inside the mounting box 3, the composite aluminum base layer 8 cooperating with the heat-conducting plate 20 and the circuit board 7. Two sets of corresponding slots 9 are opened inside the mounting box 3 and outside the insertion slots 5, insertion rods 10 are inserted into the slots 9, the insertion plates 6 and the insertion rods 10 cooperating with each other, a top cover 11 is fixedly connected between the four insertion rods 10, a limiting groove 14 is opened inside the insertion rods 10, a first sliding groove 15 is opened inside the mounting box 3 and outside the slots 9, a first slider 16 is slidably connected inside the first sliding groove 15, one end of the first slider 16 is engaged inside the limiting groove 14.

[0020] The base 1 is equipped with multiple cooling fans 2. The cooling fans 2 and the heat dissipation fins 21 work together to dissipate heat from the circuit board 7 through the cooperation of the heat conduction plate 20, the heat dissipation fins 21 and the cooling fans 2.

[0021] Inside the mounting box 3, on one side of the first sliding groove 15, is a second sliding groove 17. On one side of the first slider 16, a second slider 18 is provided, slidably connected to the inside of the second sliding groove 17. Inside the mounting box 3, between the two second sliding grooves 17, is a push-pull groove 22. A push-pull plate 23 is fixedly connected between the two second sliders 18, slidably connected to the inside of the push-pull groove 22. A pull rod 24 is fixedly connected to one side of the push-pull plate 23, with one end extending to the outside of the mounting box 3. Through the cooperation of the first slider 16, the second slider 18, the push-pull plate 23, and the pull rod 24, the first slider 16 is pulled out from inside the limiting groove 14, thereby releasing the restriction on the insertion rod 10. Then, the insertion rod 10 can be pulled out from inside the slot 9 through the top cover 11, thereby releasing the restriction on the plug-in plate 6 and the circuit board 7, facilitating their disassembly and assembly without the need for threaded holes inside the circuit board 7. The second slide groove 17 is provided with a plurality of compression springs 19. One end of the compression spring 19 is fixedly connected to the inner wall of the second slide groove 17, and the other end of the compression spring 19 is fixedly connected to one side of the second slider 18.

[0022] The top cover 11 has multiple connection holes 12 inside. The bottom of the mounting box 3 is fixedly connected to four corresponding fixing rods 4. The fixing rods 4 are equipped with fixing bolts. The mounting box 3 is fixed to the top of the base 1 by fixing bolts of the fixing rods 4. The outer sides of the mounting box 3 and the top cover 11 are coated with a conductive coating, which can provide electromagnetic shielding.

[0023] In summary, when using this multi-layer composite aluminum substrate electromagnetic shielding assembly, the operator fixes the fixing rod 4 to the top of the base 1 using fixing bolts, thereby fixing the mounting box 3 to the top of the base 1. Then, the plug-in plate 6 is snapped into the inside of the plug-in slot 5, thereby snapping the circuit board 7 into the inside of the mounting box 3. Then, the plug rod 10 is inserted into the inside of the slot 9. When the plug rod 10 contacts the first slider 16, it pushes the first slider 16 to slide into the inside of the first slide groove 15, and at the same time pushes the second slider 18 to slide into the inside of the second slide groove 17, causing the compression spring 19 to contract. After the plug rod 10 is inserted into the inside of the slot 9, it is pushed by the first slider... The interaction between 16 and the limiting groove 14 releases the limiting of the first slider 16, the second slider 18 and the compression spring 19, causing the compression spring 19 to rebound and push the second slider 18 and the first slider 16 to reset, so that the first slider 16 is inserted into the limiting groove 14, thereby limiting the top cover 11. At the same time, the top cover 11 can limit the front and rear sides of the mounting box 3. Through the interaction of the composite aluminum base layer 8, the heat-conducting plate 20, the heat dissipation fins 21 and the heat dissipation fan 2, the circuit board 7 can be cooled. The multi-layer composite aluminum substrate electromagnetic shielding assembly uses insulating materials and a conductive coating sprayed on the outside to achieve electromagnetic shielding.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A multilayer composite aluminum substrate electromagnetic shielding assembly, comprising a base (1), characterized in that: The base (1) is equipped with multiple cooling fans (2) inside. The top of the base (1) is equipped with a mounting box (3). The mounting box (3) is equipped with a circuit board (7), a composite aluminum base layer (8), and a heat-conducting plate (20) inside. The bottom of the heat-conducting plate (20) is equipped with multiple heat dissipation fins (21). The mounting box (3) has two corresponding insertion slots (5) inside. The mounting box (3) is equipped with two sets of corresponding slots (9) inside and outside the insertion slots (5). Insert rods (10) are inserted into the slots (9). A top cover (11) is fixedly connected between the four insert rods (10). A limit groove (14) is opened inside the insert rods (10). The mounting box (3) is equipped with a first sliding groove (15) inside and outside the slots (9). A first slider (16) is slidably connected inside the first sliding groove (15). One end of the first slider (16) is engaged inside the limiting groove (14). A second slide groove (17) is provided inside the mounting box (3) and on one side of the first slide groove (15). A second slider (18) is fixedly connected to one side of the first slider (16). The second slider (18) is slidably connected inside the second slide groove (17). A push-pull groove (22) is provided inside the mounting box (3) and between the two second slide grooves (17). A push-pull plate (23) is fixedly connected between the two second sliders (18). The push-pull plate (23) is slidably connected inside the push-pull groove (22). A plurality of compression springs (19) are provided inside the second slide groove (17). One end of the compression spring (19) is fixedly connected to the inner wall of the second slide groove (17), and the other end is fixedly connected to one side of the second slider (18).

2. The multilayer composite aluminum substrate electromagnetic shielding assembly according to claim 1, characterized in that: A pull rod (24) is fixedly connected to one side of the push-pull plate (23), and one end of the pull rod (24) extends to the outside of the mounting box (3).

3. The multilayer composite aluminum substrate electromagnetic shielding assembly according to claim 1, characterized in that: The insertion slot (5) is internally connected to an insertion plate (6), and the circuit board (7) is fixedly connected between the two insertion plates (6). The insertion plate (6) and the insertion rod (10) cooperate with each other, the circuit board (7) and the insertion plate (6) cooperate with each other, and the composite aluminum base layer (8) cooperates with the heat-conducting plate (20) and the circuit board (7).

4. The multilayer composite aluminum substrate electromagnetic shielding assembly according to claim 1, characterized in that: The top cover (11) has multiple connection holes (12) inside. The bottom of the mounting box (3) is fixedly connected with four corresponding fixing rods (4). The fixing rods (4) are provided with fixing bolts inside. The mounting box (3) is fixed to the top of the base (1) by fixing the fixing rods (4) and fixing bolts.

5. The multilayer composite aluminum substrate electromagnetic shielding assembly according to claim 1, characterized in that: The outer sides of the mounting box (3) and the top cover (11) are coated with a conductive coating.

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