Modular docking station based on USB4V2 protocol
By using a modularly designed USB4 V2 protocol docking station, which combines a PCB baseboard and module board with the JHL9480 chip, the problems of high design difficulty and high cost are solved, enabling rapid design and efficient production.
Patent Information
- Application Number
- CN202520023137.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-06
AI Technical Summary
The design of USB4 V2 protocol docking stations is complex, time-consuming, and has a low production yield, resulting in high production costs.
The modular design incorporates a PCB baseboard and PCB module board within the box, and uses the JHL9480 chip for secure connection via screw posts, enabling the modular expansion dock to be assembled.
Shorten design time, reduce design costs, improve production efficiency, and are suitable for mass production of docking stations of different sizes and shapes.
Smart Images

Figure CN223808727U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to USB C expansion dock technical field, concretely is a modular expansion dock based on USB4 V2 protocol. BACKGROUND
[0002] The role of USB C expansion dock is to expand one USB C data interface of a notebook computer into multiple data interfaces with different functions, and the JHL9480 chip is a new type of computer external device control chip based on USB4 V2 protocol, which can be used for designing the expansion dock based on USB4 V2 protocol, and the speed of the USB4 V2 protocol is as high as 80Gbps to 120Gbps, but the design difficulty is relatively high, the design time is relatively long, the production yield is low, and the production cost is very high. UTILITY MODEL CONTENT
[0003] In view of the defects of the prior art, the utility model provides a modular expansion dock based on USB4 V2 protocol, which solves the problems of high design difficulty, long design time, low production yield and high production cost of the expansion dock based on USB4 V2 protocol.
[0004] The utility model provides the following technical scheme: a modular expansion dock based on USB4 V2 protocol, including box body, PCB module board, PCB bottom plate, the surface of PCB module board is equipped with JHL9480 chip, one side of PCB module board is equipped with first USB C data interface and second USB C data interface, the other side of PCB module board is provided with gold finger, the surface of PCB bottom plate is equipped with first M.2 connector and second M.2 connector, be provided with screw column on the PCB module board, the gold finger is connected with first M.2 connector and second M.2 connector plug-in simultaneously, the PCB module board is fixed with PCB bottom plate through the screw column of setting.
[0005] Preferred technical scheme one: the PCB bottom plate is equipped with DC power socket, the side of DC power socket is provided with gigabit network port, and the DC power socket and the gigabit network port are provided with HDMI video interface.
[0006] Preferred technical scheme two: the side of gigabit network port is provided with SD card slot, and the other side of PCB bottom plate is equipped with earphone interface.
[0007] Preferred technical scheme three: the side of earphone interface is equipped with USB A interface, and the side of USB A interface is provided with USB C interface.
[0008] Preferred technical scheme four: the PCB bottom plate and the box body are connected through the fixed bolt of setting.
[0009] The scheme can make the connection between the PCB bottom plate and the box body more firm.
[0010] Compared with the prior art, the utility model provides a modular expansion dock based on USB4 V2 protocol, has the following beneficial effects:
[0011] (1) the utility model discloses a PCB bottom plate is arranged in the box body, and the PCB module board and JHL9480 chip are arranged on the PCB bottom plate, and the user designs the PCB module board and PCB bottom plate based on JHL9480 chip modularly, not only saves the design cost, but also greatly shortens the design time, improves the efficiency, and helps the large-scale production of different size and appearance expansion dock of USB4 V2 protocol. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the structure three-dimensional schematic view of the utility model;
[0013] Figure 2 It is the structure internal schematic view of the utility model;
[0014] Figure 3 It is the structure of the utility model Figure 2 JHL9480 chip's structure schematic view;
[0015] Figure 4 It is the structure of the utility model Figure 2 PCB bottom plate's structure whole schematic view.
[0016] In the drawing: 1, box body;2, PCB module board;3, PCB bottom plate;4, JHL9480 chip;5, first USB-C data interface;6, second USB-C data interface;7, golden finger;8, first M.2 connector;9, second M.2 connector;10, screw column;11, direct current power socket;12, HDMI video interface;13, gigabit network port;14, SD card slot;15, earphone interface;16, USB-A interface;17, USB-C interface. DETAILED DESCRIPTION
[0017] Please refer to Figures 1-4 ,
[0018] Embodiment one: a modular docking station based on USB4 V2 protocol, comprising a box body 1, a PCB module plate 2, a PCB bottom plate 3, a JHL9480 chip 4 is mounted on the surface of the PCB module plate 2, a first USB-C data interface 5 and a second USB-C data interface 6 are mounted on one side of the PCB module plate 2, a gold finger 7 is arranged on the other side of the PCB module plate 2, a first M.2 connector 8 and a second M.2 connector 9 are mounted on the surface of the PCB bottom plate 3, a screw column 10 is arranged on the PCB module plate 2, the gold finger 7 is inserted into the first M.2 connector 8 and the second M.2 connector 9 at the same time, and the PCB module plate 2 is fixed with the PCB bottom plate 3 through the arranged screw column 10.
[0019] A DC power socket 11 is mounted on the PCB bottom plate 3, a gigabit network port 13 is arranged on the side of the DC power socket 11, and an HDMI video interface 12 is arranged between the DC power socket 11 and the gigabit network port 13.
[0020] Embodiment two: the difference between this embodiment and embodiment one is that a SD card slot 14 is arranged on the side of the gigabit network port 13, and a earphone interface 15 is mounted on the other side of the PCB bottom plate 3.
[0021] Embodiment three: the difference between this embodiment and embodiment one is that a USB-A interface 16 is mounted on the side of the earphone interface 15, and a USB-C interface 17 is arranged on the side of the USB-A interface 16.
[0022] Embodiment four: the difference between this embodiment and embodiment one is that the PCB bottom plate 3 is connected with the box body 1 through the arranged fixing bolts.
[0023] The connection between the PCB bottom plate 3 and the box body 1 is more firm.
[0024] In this embodiment, the function of the USB-C docking station is to expand one USB-C data interface of a notebook computer into multiple data interfaces with different functions, the JHL9480 chip is a new type of computer external device control chip of USB4 V2 protocol, which can be used to design a docking station of USB4 V2 protocol, the speed of USB4 V2 protocol is as high as 80Gbps to 120Gbps, but the design difficulty is relatively high, the design time is relatively long, the production yield is low, and the production cost is high.
[0025] To sum up, in specific implementation, by setting the PCB bottom plate 3 in the box body 1, the screw column 10 is fixedly connected on the PCB bottom plate 3, and the JHL9480 chip 4 is arranged on the PCB module plate 2, the user can make modular design based on the JHL9480 chip 4, the PCB module plate 2 and the PCB bottom plate 3, which not only can save the design cost, but also can greatly shorten the design time required, and further improve the production efficiency, which is helpful for the large-scale production of different sizes and shapes of USB4 V2 protocol docking stations.
[0026] Meanwhile, the first USB-C data interface 5 and the second USB-C data interface 6 are symmetrically arranged on the side of the PCB module plate 2, which can more conveniently connect the external data, and the first M.2 connector 8 and the second M.2 connector 9 are arranged on the other side of the PCB module plate 2, which also more conveniently transmits and connects the data, and is more convenient for the user to use.
Claims
1. A modular docking station based on USB4 V2 protocol, characterized in that: Including box (1), PCB module board (2), PCB bottom plate (3), the surface of the PCB module board (2) is mounted with JHL9480 chip (4), one side of the PCB module board (2) is mounted with first USB-C data interface (5) and second USB-C data interface (6), the other side of the PCB module board (2) is provided with gold finger (7), the surface of the PCB bottom plate (3) is mounted with first M.2 connector (8) and second M.2 connector (9), the PCB module board (2) is provided with screw column (10), the gold finger (7) is inserted with the first M.2 connector (8) and the second M.2 connector (9) simultaneously, the PCB module board (2) is fixed with the PCB bottom plate (3) through the screw column (10) arranged.
2. The modular docking station based on USB4 V2 protocol according to claim 1, characterized in that: The PCB bottom plate (3) is mounted with DC power socket (11), the side of the DC power socket (11) is provided with gigabit network port (13), the DC power socket (11) and the gigabit network port (13) are provided with HDMI video interface (12) between.
3. The modular docking station based on USB4 V2 protocol according to claim 2, characterized in that: The side of the gigabit network port (13) is provided with SD card slot (14), the other side of the PCB bottom plate (3) is mounted with earphone interface (15).
4. The modular docking station based on USB4 V2 protocol according to claim 3, characterized in that: The side of the earphone interface (15) is mounted with USB-A interface (16), the side of the USB-A interface (16) is provided with USB-C interface (17).
5. The modular docking station based on USB4 V2 protocol according to claim 4, characterized in that: The PCB bottom plate (3) is connected through the fixed bolt arranged between the box (1).