Electrical Framework

DC-DC Converters:

  • 48V to 24V DC-DC Converter:

    • Distributes 24V power to various components.

  • 24V to 12V DC-DC Converter:

    • Supplies 12V power to the onboard PC.

  • 24V to 7V DC-DC Converter:

    • Supplies 7V power to the Herelink and the fan.

Power Supply:

  • Two E60 Batteries:

    • Supply 48V power to the system.

  • Solid-State Relays (SSRs):

    • Control power delivery to the two Navy 3.0 propellers.

Power Distribution Board (PDB):

  • Centralized board for distributing 24V power to multiple components.

Control System:

  • Cube Orange+ MCU:

    • Responsible for the boat's autonomous navigation and control.

  • MAX485 Module:

    • Handles RS485 communication with the Navy 3.0 propellers.

  • M9N GPS:

    • Provides navigation data for the vessel.

Remote Communication:

  • Herelink: Enables remote communication with the USV.

Lighting and Relay Control:

  • 4-Channel Relay Module:

    • Controlled by the Cube Orange+ MCU.

    • Manages lighting of the sign tower and switching of solid-state relays.

  • Relay Module Configuration:

    • Connected in series with the control input of the solid-state relays.

    • When the relay module is open, the solid-state relays lose control voltage and shut off power, allowing for remote control of the propulsion system's power supply.

Camera System:

  • Onboard PC:

    • Receives 12V power from the 24V-12V DC-DC converter.

    • Controls the Zed 2i camera system for enhanced imaging.

External Devices:

  • Power Supply:

    • GPS and Wi-Fi antenna receive 24V power directly from the 48V-24V DC-DC converter.

    • Supports positioning and wireless communication functions.

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Technical Design Report