一种智能多功能USB扩展坞

Abstract

本实用新型提供了一种智能多功能USB扩展坞，涉及计算机设备扩展技术领域，该智能多功能USB扩展坞包括：主机接口单元，所述主机接口单元包含用于连接主机的USB主机接口；扩展接口单元，所述扩展接口单元与所述主机接口单元电连接，所述扩展接口单元包含多个扩展USB接口；主控单元，所述主控单元包含微控制器；操作单元，所述操作单元包含至少两个物理按键；电源管理单元，所述电源管理单元分别与所述主机接口单元、扩展接口单元、主控单元和操作单元电连接；所述主控单元分别与所述主机接口单元、所述扩展接口单元和所述操作单元的物理按键电连接。该扩展坞通过智能化交互能力的植入，更好地满足了用户对设备便捷性、智能化及多场景适配的更高需求。

Claims

1. A smart multi-functional USB docking station, characterized in that, include: A host interface unit, the host interface unit including a USB host interface for connecting to a host; An expansion interface unit is electrically connected to the host interface unit, and the expansion interface unit includes multiple expansion USB interfaces; The main control unit includes a microcontroller; An operation unit, the operation unit comprising at least two physical buttons; A power management unit is electrically connected to the host interface unit, the expansion interface unit, the main control unit, and the operation unit, respectively. The main control unit is electrically connected to the physical buttons of the host interface unit, the expansion interface unit, and the operation unit, respectively.

2. The intelligent multi-functional USB docking station of claim 1, wherein, The power management unit includes: A charging management circuit is electrically connected to the power input terminal of the host interface unit and is used to stabilize the input voltage and filter noise. A capacitor filter circuit, comprising multiple capacitors, with one end connected to the power output terminal of the charging management circuit and the other end grounded, is used to filter out high-frequency noise from the power supply. A DC-DC conversion circuit is electrically connected to the charging management circuit.

3. The intelligent multi-functional USB docking station of claim 1, wherein, The operating unit contains four physical buttons.

4. The intelligent multi-functional USB docking station according to any one of claims 1-3, wherein, Also includes: An audio acquisition unit is electrically connected to the power management unit, the operation unit, and the main control unit.

5. The intelligent multi-functional USB docking station of claim 4, wherein, The audio acquisition unit includes an omnidirectional microphone.

6. The intelligent multi-functional USB docking station of claim 4, wherein, The main control unit integrates an AI coprocessor, which is electrically connected to the microcontroller and directly connected to the audio acquisition unit.

7. The intelligent multi-functional USB docking station of claim 1, wherein, The physical button is a surface-mount tactile switch, which is connected to the GPIO port of the microcontroller via a pull-up resistor circuit.

8. The intelligent multi-functional USB docking station of claim 1, wherein, The USB host interface and the extended USB interface are electrically connected via a USB hub chip.

9. The intelligent multi-functional USB docking station of claim 1, wherein, The extended USB interface is electrically connected to the main control unit via a USB expansion chip.

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