A vertically stacked low crosstalk VGA interface structure

Abstract

The utility model discloses a perpendicular stack formula low crosstalk VGA interface structure relates to VGA interface technical field, square slot is opened on the metal shielded plate, one side fixedly connected with the fixed plate of metal shielded plate, one side fixedly connected with the sliding block of fixed plate, be provided with the moving block on the fixed plate, be provided with the sliding slot on the moving block, the sliding slot is connected with sliding block slidingly, in the utility model, adopt VGA and DVI mixed double -deck design through comparison file, focus on the compatibility of different signal interface, do not carry out special optimization to space saving, and the scheme adopts pure VGA double -deck perpendicular stack structure, and multiple VGA interfaces are orderly layered arrangement in the vertical direction, and this design makes full use of the longitudinal space of equipment, and the horizontal occupation area on the circuit board is greatly reduced, and the equipment internal space utilization is effectively improved, realizes the function such as saving space, reducing crosstalk, improving durability.

Description

Technical Field

[0001] This utility model relates to the field of VGA interface technology, specifically a vertically stacked low crosstalk VGA interface structure. Background Technology

[0002] The vertically stacked low-crosstalk VGA interface structure is an improved solution for the traditional VGA interface design. It aims to reduce interference between signals by optimizing the physical layout and signal transmission method, while maintaining the compactness and compatibility of the interface. The vertically stacked low-crosstalk VGA interface structure is an innovative solution that solves the crosstalk problem of traditional VGA interfaces through spatial layering and electromagnetic optimization technology. It combines the reliability of analog signal transmission with modern anti-interference design, and is suitable for scenarios with strict image quality requirements, while taking into account the compatibility and compactness of the interface.

[0003] According to Chinese Patent Publication No. CN207250798U, an HDR15 high-profile DVI double-layer rivet-lock socket includes an upper base and a lower base. A VGA insulating bump is fixedly provided on the surface of the upper base, and fastening screws are provided on both sides of the VGA insulating bump. A digital panel is provided on the surface of the VGA insulating bump, and a VGA through-hole is provided within the cavity of the digital panel. A lower base is fixedly connected to the bottom of the upper base. A DVI insulating bump is provided on the surface of the lower base, and a DVI through-hole is provided within the cavity of the DVI insulating bump. A spring contact is provided on one side of the DVI through-hole, and a conductive terminal is fixedly connected to one side of the lower base. This HDR15 high-profile DVI double-layer rivet-lock socket has a reasonable and novel design, is simple to operate, and is easy to install and disassemble. Furthermore, the HDR15 high-profile DVI double-layer rivet-lock socket has a long overall service life and is not easily damaged. It also has ideal insulation and heat resistance, and will not damage electronic products during use. Production and manufacturing are relatively simple, making it highly practical and suitable for widespread promotion and use.

[0004] In the above scheme, a digital panel is provided on the surface of the VGA insulating bump and a VGA through hole is provided in the inner cavity of the digital panel. The lower base is fixedly connected to the bottom of the upper base. A DVI insulating bump is provided on the surface of the lower base and a DVI through hole is provided in the inner cavity of the DVI insulating bump. This leads to the following disadvantages: the current technology relies on a single grounding pin and basic shielding design, which has weak anti-interference ability and is prone to signal attenuation at high resolution. There is interference caused by signal mixing transmission. It is also limited by the analog signal transmission mechanism of traditional VGA, which supports a maximum resolution of 1920×1200 and is not adapted to the HDR protocol. It also has insufficient plug-in durability, large space volume, and signal interference and color distortion in high-resolution transmission of traditional VGA interface.

[0005] Therefore, a vertically stacked, low-crosstalk VGA interface structure is urgently needed to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide a vertically stacked low-crosstalk VGA interface structure to solve the problem mentioned in the background art that the current technology relies on a single ground pin and basic shielding design, which has weak anti-interference ability and is prone to signal attenuation at high resolution.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a vertically stacked low-crosstalk VGA interface structure, including a metal shielding plate, a square groove formed on the metal shielding plate, a fixing plate fixedly connected to one side of the metal shielding plate, a slider fixedly connected to one side of the fixing plate, a moving block provided on the fixing plate, a sliding groove formed on the moving block, the sliding groove being slidably connected to the slider, a module fixedly connected to one side of the moving block, and an interface installed on the module.

[0008] Preferably, a placement plate is fixedly connected to the bottom surface of the metal shielding plate, and transmission pins are installed on the module.

[0009] Preferably, a connecting plate is fixedly connected to the top surface of the placement plate, a micro motor is mounted on the connecting plate, a rotating shaft is fixedly connected to the output end of the micro motor, and two first fan blades are fixedly connected to the outer wall of the rotating shaft, with round holes opened on the first fan blades.

[0010] Preferably, a first bevel gear is fixedly connected to the outer wall of the rotating shaft, a second bevel gear is provided on the first bevel gear, the first bevel gear and the second bevel gear mesh with each other, a first rotating shaft is fixedly connected to the top surface of the second bevel gear, a second fan blade is fixedly connected to the outer wall of the first rotating shaft, and a first adapter plate is rotatably connected to the outer wall of the rotating shaft, the first adapter plate is rotatably connected to the first rotating shaft.

[0011] Preferably, a fourth bevel gear is fixedly connected to the outer wall of the rotating shaft, a third bevel gear is provided on the fourth bevel gear, the fourth bevel gear and the third bevel gear mesh with each other, a second rotating shaft is fixedly connected to the bottom surface of the third bevel gear, and a third fan blade is fixedly connected to the outer wall of the second rotating shaft.

[0012] Preferably, a second adapter plate is rotatably connected to the outer wall of the rotating shaft, and the second adapter plate is rotatably connected to the second rotating shaft.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model discloses a vertically stacked low-crosstalk VGA interface structure. Compared with the prior art, which uses a hybrid dual-layer design of VGA and DVI, focusing on compatibility of different signal interfaces without optimizing for space saving, this solution adopts a pure VGA dual-layer vertically stacked structure, arranging multiple VGA interfaces in an orderly layered manner in the vertical direction. This design makes full use of the vertical space of the device, significantly reducing the horizontal area occupied on the circuit board, effectively improving the internal space utilization of the device, and achieving functions such as saving space, reducing crosstalk, and improving durability. A single micro motor can drive multiple fan blades to work together, realizing heat dissipation of the interface and surrounding components from multiple directions such as the top, bottom, and sides. The airflow generated by each fan blade cooperates to form an efficient convection field in the interface area, greatly accelerating the airflow speed in the interface and surrounding component areas, significantly improving heat dissipation efficiency. This heat dissipation method can quickly remove the heat generated during the operation of the interface, ensuring that the interface is always in a suitable operating temperature environment, effectively avoiding signal attenuation caused by high temperature. Attached Figure Description

[0014] Figure 1 This is a frontal perspective view of the present invention. Figure 2 This is a three-dimensional structural diagram of the back of the present invention; Figure 3 This is a schematic diagram of the interface structure of this utility model; Figure 4 This is a schematic diagram of the rotating shaft structure of this utility model.

[0015] In the diagram: 1. Metal shielding plate; 2. Square groove; 3. Moving block; 4. Slide groove; 5. Fixing plate; 6. Slider; 7. Module; 8. Interface; 9. Placement plate; 10. Connecting plate; 11. Micro motor; 12. Rotating shaft; 13. First fan blade; 14. First bevel gear; 15. Second bevel gear; 16. First rotating shaft; 17. Second fan blade; 18. Third bevel gear; 19. Fourth bevel gear; 20. Second rotating shaft; 21. Third fan blade; 22. First adapter plate; 23. Second adapter plate. Detailed Implementation

[0016] 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.

[0017] Example 1 Please see Figures 1-4The diagram shows a vertically stacked low crosstalk VGA interface 8 structure, including a metal shielding plate 1, a square groove 2 on the metal shielding plate 1, a fixing plate 5 fixedly connected to one side of the metal shielding plate 1, a slider 6 fixedly connected to one side of the fixing plate 5, a moving block 3 on the fixing plate 5, a sliding groove 4 on the moving block 3, the sliding groove 4 slidably connected to the slider 6, a module 7 fixedly connected to one side of the moving block 3, an interface 8 installed on the module 7, a placement plate 9 fixedly connected to the bottom surface of the metal shielding plate 1, and transmission pins installed on the module 7.

[0018] The comparison document shows a hybrid dual-layer design for VGA and DVI, emphasizing compatibility with different signal interfaces. The original solution is a pure VGA dual-layer vertical stack, focusing on high-resolution analog signal optimization. The former does not emphasize space saving, while the latter significantly saves board space through vertical stacking. In terms of materials, the former uses aluminum alloy and PP plastic, while the latter uses SPCC and PBT+30%GF. In terms of signal processing, the original solution has technologies such as metal shielding and layered isolation to reduce crosstalk, while the comparison document lacks a systematic electromagnetic compatibility design. In addition, the original solution supports independent replacement of module 7 and has stronger plug-and-play durability, while module 7 in the comparison document needs to be replaced as a whole.

[0019] Example 2 Please refer to 4. This embodiment further explains Example 1. The top surface of the placement plate 9 in the figure is fixedly connected to a connecting plate 10. A micro motor 11 is installed on the connecting plate 10. The output end of the micro motor 11 is fixedly connected to a rotating shaft 12. Two first fan blades 13 are fixedly connected to the outer wall of the rotating shaft 12. The first fan blades 13 have round holes.

[0020] When the micro motor 11 is started, its output drives the rotating shaft 12 to rotate at high speed. The two first fan blades 13 installed on the outer wall of the rotating shaft 12 rotate synchronously. The two rotating shafts 12 are arranged in opposite directions. This unique design can generate countercurrent airflow, greatly enhance the air disturbance effect, quickly form preliminary air convection, and accelerate the initial diffusion of heat in the interface 8 area.

[0021] Please see Figure 4 This embodiment further illustrates Example 1. A first bevel gear 14 is fixedly connected to the outer wall of the rotating shaft 12 in the figure. A second bevel gear 15 is provided on the first bevel gear 14. The first bevel gear 14 and the second bevel gear 15 mesh with each other. A first rotating shaft 16 is fixedly connected to the top surface of the second bevel gear 15. A second fan blade 17 is fixedly connected to the outer wall of the first rotating shaft 16. A first adapter plate 22 is rotatably connected to the outer wall of the rotating shaft 12. The first adapter plate 22 is rotatably connected to the first rotating shaft 16.

[0022] The first bevel gear 14, which is fixedly connected to the rotating shaft 12, rotates synchronously during the rotation of the shaft. The second bevel gear 15 is driven to rotate in the opposite direction through gear meshing. The rotation of the second bevel gear 15 then drives the first rotating shaft 16 to rotate synchronously. The second fan blade 17, which is mounted on the first rotating shaft 16, rotates at high speed. The airflow generated by the second fan blade 17 can accurately cover the top surface area of ​​the interface 8 structure. Through forced convection, the heat generated by the top surface components during operation is quickly removed.

[0023] Please see Figure 4 This embodiment further illustrates Example 1. A fourth bevel gear 19 is fixedly connected to the outer wall of the rotating shaft 12 shown in the figure. A third bevel gear 18 is provided on the fourth bevel gear 19. The fourth bevel gear 19 and the third bevel gear 18 mesh with each other. A second rotating shaft 20 is fixedly connected to the bottom surface of the third bevel gear 18. A third fan blade 21 is fixedly connected to the outer wall of the second rotating shaft 20. A second adapter plate 23 is rotatably connected to the outer wall of the rotating shaft 12. The second adapter plate 23 is rotatably connected to the second rotating shaft 20.

[0024] The rotating shaft 12 drives the fixedly connected third bevel gear 18 to rotate synchronously. The third bevel gear 18 transmits power to the second rotating shaft 20 through meshing with the fourth bevel gear 19, causing the third fan blade 21 mounted on the second rotating shaft 20 to rotate at high speed. The airflow generated by the third fan blade 21 can effectively cover the bottom area of ​​the interface 8 structure and provide targeted heat dissipation for the bottom components.

[0025] Working principle: The comparison document uses a hybrid dual-layer design of VGA and DVI, focusing on compatibility of different signal interfaces 8, without making special optimizations for space saving. In contrast, this solution uses a pure VGA dual-layer vertical stacking structure, which arranges multiple VGA interfaces 8 in an orderly layered manner in the vertical direction. This design makes full use of the vertical space of the device, greatly reduces the horizontal area occupied on the circuit board, and effectively improves the internal space utilization of the device. The comparison file relies on a single grounding pin and basic shielding design, lacking a systematic electromagnetic compatibility design. It is prone to interference due to signal mixing during high-resolution signal transmission, and only supports a maximum resolution of 1920×1200, making it unsuitable for HDR protocols. This solution focuses on optimizing high-resolution analog signals. By setting a metal shielding plate 1 on the outside of module 7, it can effectively block the influence of external electromagnetic interference on VGA signals. It adopts a layered isolation design, rationally plans the signal transmission paths of each interface 8, reduces crosstalk between layers, and optimizes the signal processing mechanism to enable stable transmission of high-resolution analog signals, avoiding color distortion problems. It can better meet the needs of modern display technology for high resolution and high image quality. The comparison document uses aluminum alloy and PP plastic for material selection, which have certain limitations in terms of electromagnetic shielding performance and mechanical strength. This solution uses SPCC (cold-rolled carbon steel sheet and strip) and PBT+30%GF (polybutylene terephthalate with 30% glass fiber). SPCC has good mechanical properties and processing performance, providing stable support for the interface 8 structure. The PBT+30%GF material components have high strength, high rigidity and excellent heat resistance, which not only helps to improve the overall stability of the interface 8 structure, but also enhances the electromagnetic shielding effect to a certain extent and ensures the stability of signal transmission. The comparison file shows that interface 8 and module 7 need to be replaced as a whole due to insufficient pluggable durability. When a certain interface 8 fails, the entire module 7 needs to be replaced, resulting in high maintenance costs and low efficiency. This solution adopts a modular design, with each VGA interface 8 corresponding to an independent module 7. The moving module 7 drives the moving block 3 to move outward in the square slot 2, and then the sliding groove 4 and the slider 6 slide to achieve a detachable connection. A reinforced structure is used between the interface 8 and the module 7. This design allows for quick replacement of the faulty module 7 when a single interface 8 fails, without replacing the entire structure, greatly reducing maintenance costs and difficulty. At the same time, the reinforced structure and reasonable connection method enhance the pluggable durability of the interface 8, reduce damage to the interface 8 caused by frequent plugging and unplugging, extend the service life of the interface 8, and improve practicality. Through the collaborative efforts of vertical stacking structure, optimized signal processing, selection of appropriate materials, and innovative modular design, the system achieves functions such as space saving, reduced crosstalk, and improved durability, effectively solving the problems existing in the current technology.

[0026] When the micro motor 11 is started, its output drives the rotating shaft 12 to rotate at high speed. The two first fan blades 13 installed on the outer wall of the rotating shaft 12 rotate synchronously. The two rotating shafts 12 are arranged in opposite directions. This unique design can generate countercurrent airflow, greatly enhance the air disturbance effect, quickly form preliminary air convection, and accelerate the preliminary diffusion of heat in the interface 8 area. The first bevel gear 14, which is fixedly connected to the rotating shaft 12, rotates synchronously during the rotation of the rotating shaft 12, and drives the second bevel gear 15 to rotate in the opposite direction through gear meshing transmission. The rotation of the second bevel gear 15 then drives the first rotating shaft 16 to rotate synchronously. The second fan blade 17 installed on the first rotating shaft 16 rotates at high speed. The airflow generated by the second fan blade 17 can accurately cover the top surface area of ​​the interface 8 structure. Through forced convection, the heat generated by the top surface components during operation is quickly removed. The rotating shaft 12 drives the fixedly connected third bevel gear 18 to rotate synchronously. The third bevel gear 18 transmits power to the second rotating shaft 20 through meshing with the fourth bevel gear 19, causing the third fan blade 21 mounted on the second rotating shaft 20 to rotate at high speed. The airflow generated by the third fan blade 21 can effectively cover the bottom area of ​​the interface 8 structure and provide targeted heat dissipation for the bottom components. A single micro motor 11 can drive multiple fan blades to work together, enabling simultaneous heat dissipation of the interface 8 and surrounding components from multiple directions, including the top, bottom, and sides. The airflow generated by each fan blade works together to form an efficient convection field in the interface 8 area, greatly accelerating the airflow speed in the interface 8 and surrounding component area, significantly improving heat dissipation efficiency. This heat dissipation method can quickly remove the heat generated during the operation of the interface 8, ensuring that the interface 8 is always in a suitable operating temperature environment, effectively avoiding problems such as signal attenuation and component aging caused by high temperature, thereby greatly improving the reliability and stability of the entire interface 8 structure and ensuring long-term stable operation of the equipment.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A vertically stacked low-crosstalk VGA interface structure, comprising a metal shielding plate (1), characterized in that: The metal shielding plate (1) has a square groove (2) and a fixed plate (5) is fixedly connected to one side of the metal shielding plate (1). A slider (6) is fixedly connected to one side of the fixed plate (5). A moving block (3) is provided on the fixed plate (5). A sliding groove (4) is provided on the moving block (3). The sliding groove (4) is slidably connected to the slider (6). A module (7) is fixedly connected to one side of the moving block (3). An interface (8) is installed on the module (7).

2. The vertically stacked low-crosstalk VGA interface structure according to claim 1, characterized in that: The bottom surface of the metal shielding plate (1) is fixedly connected to the placement plate (9), and the module (7) is equipped with transmission pins.

3. The vertically stacked low-crosstalk VGA interface structure according to claim 2, characterized in that: A connecting plate (10) is fixedly connected to the top surface of the placement plate (9). A micro motor (11) is installed on the connecting plate (10). A rotating shaft (12) is fixedly connected to the output end of the micro motor (11). Two first fan blades (13) are fixedly connected to the outer wall of the rotating shaft (12). A round hole is opened on the first fan blade (13).

4. The vertically stacked low-crosstalk VGA interface structure according to claim 3, characterized in that: A first bevel gear (14) is fixedly connected to the outer wall of the rotating shaft (12). A second bevel gear (15) is provided on the first bevel gear (14). The first bevel gear (14) and the second bevel gear (15) mesh with each other. A first rotating shaft (16) is fixedly connected to the top surface of the second bevel gear (15). A second fan blade (17) is fixedly connected to the outer wall of the first rotating shaft (16). A first adapter plate (22) is rotatably connected to the outer wall of the rotating shaft (12). The first adapter plate (22) is rotatably connected to the first rotating shaft (16).

5. The vertically stacked low-crosstalk VGA interface structure according to claim 4, characterized in that: A fourth bevel gear (19) is fixedly connected to the outer wall of the rotating shaft (12). A third bevel gear (18) is provided on the fourth bevel gear (19). The fourth bevel gear (19) and the third bevel gear (18) mesh with each other. A second rotating shaft (20) is fixedly connected to the bottom surface of the third bevel gear (18). A third fan blade (21) is fixedly connected to the outer wall of the second rotating shaft (20).

6. The vertically stacked low-crosstalk VGA interface structure according to claim 4, characterized in that: The outer wall of the rotating shaft (12) is rotatably connected to a second adapter plate (23), and the second adapter plate (23) is rotatably connected to the second rotating shaft (20).

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