External video card docking station
By designing an external graphics card expansion dock that integrates PCIe interface, multiple power supply interfaces and cooling systems, the external graphics card expansion dock in the existing technology has solved the problems of large size, low transmission efficiency and poor compatibility, and achieved smaller size and higher Efficiency and better compatibility graphics card expansion dock.
Patent Information
- Application Number
- CN202421392532.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The existing external graphics card dock is not optimized enough in PCB design, resulting in large size, low transmission efficiency, and compatibility issues under Windows 11 system, affecting the user experience.
Design an external graphics card expansion dock, including the shell and the PCB board set in the shell, the PCB board integrates the PCIe interface, multiple power supply interfaces and cooling systems, the PCIe signal line adopts a differential distribution line method, and the ATX 8pin, XT60 and DC interface power supply, 12V 4pin interface power supply cooling system, terminals for lightning board power supply, and 9cm fan is installed in the housing.
It achieves smaller size, higher transmission efficiency and better compatibility, supports more equipment, is convenient to install, better signal integrity, and greatly improves user experience.
Smart Images

Figure CN222529707U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of computer hardware, in particular to an external graphics card expansion dock. Background Art
[0002] The existing external graphics card expansion docks have poorly optimized PCB design, large size, low transmission efficiency, and compatibility issues under Windows 11. These problems lead to cumbersome installation, unstable connection, frequent disconnection and error prompts, affecting the user experience and failing to fully meet market demand. Utility Model Content
[0003] The main purpose of the utility model is to provide an external graphics card expansion dock, which is designed to support more devices, provide multiple power supply methods, improve user experience, and meet market needs.
[0004] To achieve the above-mentioned purpose, the utility model provides an external graphics card expansion dock, including a shell and a PCB board arranged in the shell, wherein the PCB board is integrated with a PCIe interface, a power supply interface and a heat dissipation system. Among them, the PCIe signal line adopts a differential wiring method. Three power supply interfaces are arranged in parallel on the PCB board, namely an ATX 8pin interface, an XT60 interface and a DC interface, which are used to power the PCIe interface. In addition, a 12V 4pin power supply interface is arranged on the PCB board to provide power for the heat dissipation system. In addition, a terminal block is designed on the PCB board to power the lightning board, and the shell is equipped with a 9cm fan.
[0005] A further technical solution of the utility model patent is that a TPS43060RTET chip is set on the PCB board as the main control.
[0006] A further technical solution of the utility model patent is to use aluminum alloy material, and / or acrylic material, and / or light-curing resin.
[0007] The beneficial effects of the utility model external graphics card expansion dock are as follows: the utility model, through the above technical scheme, includes a shell and a PCB board arranged in the shell, the PCB board is integrated with a PCIe interface, a power supply interface and a heat dissipation system, wherein the PCIe signal line adopts a differential wiring method. Three power supply interfaces are arranged in parallel on the PCB board, namely an ATX8pin interface, an XT60 interface and a DC interface, which are used to power the PCIe interface. A 12V 4pin power supply interface is arranged on the PCB board to provide power for the heat dissipation system. The heat dissipation system is specially designed for high-performance PCIe devices such as graphics cards, and is used to assist in heat dissipation. The wiring terminals are used to power the Thunderbolt board. This design allows the experimental model to have a wider range of equipment support, installation, shorter signal lines, and better integrity of high-speed signals. BRIEF DESCRIPTION OF THE DRAWINGS
[0008] In order to more clearly illustrate the technical solutions in the examples of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. It is obvious that 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 the structures shown in these drawings without paying creative work.
[0009] Figure 1 It is a schematic diagram of the PCB board structure in a preferred embodiment of the external graphics card expansion dock of the utility model.
[0010] Figure 2 , Figure 3 , Figure 4 It is a schematic diagram of the shell structure in a preferred embodiment of the external graphics card expansion dock of the utility model.
[0011] Description of Figure Numbers:
[0012] PCB board 10; PCIE interface 20; ATX 8pin interface 30; XT60 interface 40; DC interface 50; 12V 4pin interface 60;
[0013] Terminal block 70; TPS43060RTET chip 80, housing 90, 9cm cooling fan 100.
[0014] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. 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 of 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] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0017] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.
[0018] Please refer to Figure 1 The utility model proposes an external graphics card expansion dock. The preferred embodiment of the utility model external graphics card expansion dock includes a shell and a PCB board 10 arranged in the shell. The PCB board 10 is integrated with a PCIE interface 20, wherein the PCIE signal line adopts differential wiring. The PCB board 10 is also provided with three power supply interfaces in parallel, namely, an ATX 8pin interface 30, an XT60 interface 40, and a DC interface 50 for supplying power to the PCIE interface 20. A 12V 4pin power supply interface 60 is provided on the PCB board to provide power for the cooling system, and a terminal block 70 is used to supply power to the lightning board. Please refer to Figure 2 , Figure 3 , Figure 4 The preferred embodiment of the external graphics card dock of the utility model includes a housing 90, and the housing is equipped with a 9 cm cooling fan 100.
[0019] In this embodiment, the PCIE interface 20 is integrated on the PCB board 10, and the PCIE signal line is wired in an integrated manner. The signal line is short, so that the high-speed signal integrity is better.
[0020] Specifically, the PCIE signal line adopts differential wiring, the reference plane has good impedance matching, the differential pair impedance is controlled at 90 ohms, and the line length error and total length within the differential pair are in line with Intel's design rules. During the test, the loss of the PCIE device speed measurement was within the normal range.
[0021] In this embodiment, the PCB board 10 is designed with a 12V 4pin interface 60 for supplying power to the cooling system, and the 12cm fan 90 assembled on the housing 90 together constitutes a cooling system, which is specially designed for high-power PCIE devices such as graphics cards. During the test process, the cooling system can effectively reduce the working temperature of high-power PCIE devices such as graphics cards.
[0022] In this embodiment, the PCB board 10 is designed with a connection terminal 70 for supplying power to the lightning board.
[0023] In this embodiment, the PCIE board 10 is designed in parallel with three power supply interfaces, namely, an ATX3.08pin interface 30, an XT60 interface 40, and a DC interface 50, for powering the PCIE interface 20. A three-choose-one power supply method is adopted, and it can be used for graphics cards, sound cards, network cards, capture cards, and DMA devices. The power supply design makes the products more diversified compared to the market.
[0024] The three interfaces are introduced below.
[0025] (1) The DC interface 50 uses a 5.5×2.5 interface and a 12V DC input, which is a widely used 12V power input method with strong versatility and is suitable for low-power devices.
[0026] (2) ATX 8pin interface 30 uses the standard Intel ATX3.0 PCIE 8pin interface, 12V DC input, which can provide very large power and is suitable for providing stable and sufficient power to high-power PCIE devices (such as graphics cards).
[0027] (3) XT60 interface 40 adopts XT60H-Male interface, 12 DC input, and can stably transmit 30A current. This interface is widely used in equipment that requires high current transmission, such as model aircraft, remote control cars, and drones, and can provide stable and sufficient power for ultra-high power equipment.
[0028] These three power inputs are connected in parallel to supply power to the PCIE interface 20 , and the user can select one of the power supply modes.
[0029] Furthermore, in this embodiment, the external graphics card expansion dock uses the TPS43060RTET chip 80 as the main control, and the power supply method uses one of the three options of ATX 8pin interface, XT60 interface, and DC interface. It has compact wiring, small size, easy installation, and can be adapted to a variety of external devices.
[0030] Furthermore, in this embodiment, the shell is made of aluminum alloy, and / or acrylic material, and / or light-curable resin.
[0031] The beneficial effects of the external graphics card expansion dock of the utility model are as follows: the utility model, through the above technical scheme, includes a shell and a PCB board arranged in the shell, the PCB board is integrated with a PCIe interface, a power supply interface and a heat dissipation power supply interface, wherein the PCIe signal line adopts a differential wiring method, and three power supply interfaces are arranged in parallel on the PCB board, namely an ATX 8pin interface, an XT60 interface and a DC interface, which are used to power the PCIe interface, and the PCB board 10 is designed with a 12V 4pin interface 60 for powering the heat dissipation system, and the 12cm fan 90 equipped with the shell 90 together constitute a heat dissipation system, and the heat dissipation system is specially designed for high-power PCIE devices such as graphics cards, and the wiring segment is used to power the Thunderbolt board, and the shell is equipped with a 9cm fan. This design makes the installation of this experimental new model more convenient, has a wider range of equipment support, shorter signal lines, and better integrity of high-speed signals.
[0032] The above description is only a preferred case of the present utility model, and does not limit the patent scope of the present utility model. All equivalent structural changes made by using the contents of the present utility model specification and drawings under the concept of the present utility model, or directly / indirectly used in other related technical fields are included in the protection scope of the present utility model.
Claims
1. An external graphics card expansion dock, characterized in that: It includes a shell and a PCB board arranged in the shell, wherein the PCB board is integrated with a PCIe interface, a power supply interface and a heat dissipation power supply interface, wherein the PCIe signal line adopts a differential wiring method, and three power supply interfaces are arranged in parallel on the PCB board, namely an ATX 8pin interface, an XT60 interface and a DC interface, which are used to power the PCIe interface. In addition, a 12V4pin power supply interface is arranged on the PCB board to provide power for the heat dissipation system. In addition, a wiring segment is designed on the PCB board to power the Thunderbolt board, and the shell is equipped with a 9cm fan.
2. The external graphics card expansion dock according to claim 1, characterized in that: The PCB board is provided with a TPS43060RTET chip as a main control.
3. The external graphics card expansion dock according to claim 1, characterized in that: The shell is made of aluminum alloy, and / or acrylic material, and / or light-curing resin material.