Hardware Overview
Section titled “Hardware Overview”Learn about the hardware components and specifications of the JuHai USV system.
System Architecture
Section titled “System Architecture”┌─────────────────────────────────────┐│ USV Platform │├─────────────────────────────────────┤│ ┌──────────┐ ┌──────────┐ ││ │ Control │◄────►│ Comm │ ││ │ Unit │ │ Module │ ││ └──────────┘ └──────────┘ ││ │ ││ ┌────┴────┬─────────┬────────┐ ││ │ │ │ │ ││ ▼ ▼ ▼ ▼ ││ Nav Sensors Power Battery │└─────────────────────────────────────┘Main Components
Section titled “Main Components”1. Control Unit
Section titled “1. Control Unit”Main Controller
- Processor: ARM Cortex-A72 (4-core 1.5GHz)
- Memory: 4GB LPDDR4
- Storage: 64GB eMMC
- OS: Ubuntu 20.04 LTS
Co-processor
- AI Accelerator: NVIDIA Jetson Nano
- Purpose: Vision processing, path planning
2. Navigation System
Section titled “2. Navigation System”GPS/BeiDou Module
- Accuracy: RTK 2cm / Standard 2.5m
- Update Rate: 10Hz
- Supported Systems: GPS, GLONASS, BeiDou, Galileo
Inertial Measurement Unit (IMU)
- 9-axis sensor
- Accelerometer range: ±16g
- Gyroscope range: ±2000°/s
- Update rate: 200Hz
Magnetic Compass
- Accuracy: ±1°
- Auto calibration
- Anti-magnetic interference
3. Sensor System
Section titled “3. Sensor System”Water Quality Sensor
- pH: 0-14 (accuracy ±0.1)
- Dissolved Oxygen: 0-20 mg/L (accuracy ±0.3)
- Temperature: -5°C to 50°C (accuracy ±0.2°C)
- Conductivity: 0-200 mS/cm
Weather Sensor
- Wind Speed: 0-60 m/s (accuracy ±0.3 m/s)
- Wind Direction: 0-360° (accuracy ±3°)
- Pressure: 300-1100 hPa
- Temperature & Humidity
Camera
- Resolution: 1920x1080 @ 30fps
- Field of View: 120°
- Night vision capability
- Waterproof: IP68
Sonar/Radar
- Detection Range: 100m
- Resolution: 10cm
- Scanning Angle: 360°
4. Propulsion System
Section titled “4. Propulsion System”Thruster
- Type: Brushless DC motor
- Power: 300W (JH-USV-300)
- Max Thrust: 15kg
- Protection: IP67
Servo
- Torque: 20kg·cm
- Speed: 0.16s/60°
- Waterproof design
5. Power System
Section titled “5. Power System”Battery
- Type: Lithium-ion battery pack
- Capacity: 20Ah (JH-USV-300)
- Voltage: 24V
- Endurance: 8-12 hours
Power Management
- Smart BMS
- Overcharge/over-discharge protection
- Temperature monitoring
- Remaining capacity display
Charging
- Charging Current: 5A
- Charging Time: 4-5 hours
- Fast charging support
6. Communication System
Section titled “6. Communication System”Wireless Communication
- 4G/5G module
- WiFi 6 (802.11ax)
- Bluetooth 5.0
Data Transmission
- Uplink: Up to 100Mbps
- Downlink: Up to 150Mbps
- Support MQTT, WebSocket
- Video streaming
Remote Control
- Frequency: 2.4GHz
- Control Range: 2km
- Bidirectional communication
- LCD display
Product Series Comparison
Section titled “Product Series Comparison”| Feature | JH-USV-100 | JH-USV-300 | JH-USV-500 |
|---|---|---|---|
| Length | 1.0m | 3.0m | 5.0m |
| Weight | 15kg | 80kg | 200kg |
| Payload | 10kg | 50kg | 200kg |
| Endurance | 8h | 12h | 24h |
| Max Speed | 5 knots | 10 knots | 15 knots |
| Wave Resistance | Level 3 | Level 4 | Level 5 |
| Protection | IP67 | IP68 | IP68 |
Environmental Adaptability
Section titled “Environmental Adaptability”Operating Environment
Section titled “Operating Environment”- Temperature: -10°C to 50°C
- Humidity: 0-95% (non-condensing)
- Wind Speed: ≤ 12 m/s (Level 7 wind)
- Wave Height: ≤ 1.5m (JH-USV-300)
Protection Level
Section titled “Protection Level”- Hull: IP68 (fully submersible)
- Electronics Compartment: IP67 (dust and water resistant)
- Sensors: IP68
Maintenance Requirements
Section titled “Maintenance Requirements”Daily Maintenance
Section titled “Daily Maintenance”- Clean hull and sensors
- Check bolt tightness
- Check battery level
- Test communication connection
Regular Maintenance
Section titled “Regular Maintenance”Monthly
- Check thrusters
- Calibrate sensors
- Update firmware
- Check seals
Quarterly
- Deep cleaning
- Battery health check
- System performance test
- Spare parts replacement
Storage Requirements
Section titled “Storage Requirements”- Storage Temperature: 0°C to 30°C
- Avoid direct sunlight
- Keep dry and ventilated
- Battery at 50-60% charge
Safety Features
Section titled “Safety Features”- ⚠️ Emergency stop button
- 🔋 Low battery auto return
- 🚨 Collision detection and avoidance
- 📍 Geofence restrictions
- 🔐 Encrypted data transmission
- 🛡️ Anti-capsize design
Expansion Interfaces
Section titled “Expansion Interfaces”Standard Interfaces
Section titled “Standard Interfaces”- USB 3.0 × 2
- Ethernet × 1
- RS232 × 2
- RS485 × 2
- CAN Bus × 1
Power Output
Section titled “Power Output”- 5V/3A × 2
- 12V/5A × 2
- 24V/10A × 1
Mounting Positions
Section titled “Mounting Positions”- Top payload platform
- Front sensor mounting point
- Side mounting points
Next Steps
Section titled “Next Steps”- 📝 Learn about software setup
- 🚀 Start mission planning
- 🔧 Check troubleshooting