Padbot S2 – Indoor Patrol Robot with Autonomous Navigation, Cross-Floor Patrol

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The Padbot S2 is an indoor autonomous patrol robot designed for security, inspection, and monitoring in commercial buildings, offices, factories, and residential communities. Equipped with a 40 m single‑line LiDAR supporting mapping of up to 20,000 m² indoors, it navigates autonomously with 5 mm/m precision. The S2 features human body detection, smoke detection, and high‑temperature detection (thermal version) with real‑time alerts via flashing lights, loudspeaker broadcast, and mobile notifications. It supports cross‑floor patrol with optional elevator control, multi‑map (100 maps) and multi‑route (20 routes) management, timed task scheduling, and auto‑return charging. With a 12800mAh battery, 5‑inch touchscreen, 5 m far‑field microphone array, dual speakers, and optional 4G/5G connectivity, the S2 delivers 24/7 intelligent patrol and security automation.

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The Padbot S2 is an intelligent indoor patrol robot designed to automate security and inspection tasks. It integrates autonomous navigation, environmental sensing, and cloud management for efficient 24/7 operation in buildings, offices, factories, and communities.

Hardware Specifications

Specification Detail
Dimensions (W×H×L) 650×700×670 mm
Net Weight 24 kg
Battery Capacity 12800 mAh
CPU RK3399 (Dual Cortex‑A72 + Quad Cortex‑A53, 6‑core 64‑bit)
Display 5.5‑inch touchscreen, 1280×800 resolution
Charging Voltage 25.9 V
Auto‑Charging Infrared inductive, auto‑return
Voice Interaction 5 m far‑field microphone array, dual‑channel speakers
Network WiFi 802.11b/g/n, 4G (5G optional)
Obstacle Sensors 1×20 cm infrared drop sensor (front), 3×45 cm ultrasonic sensors (chassis)
Environment Sensors Smoke detector, room temperature sensor (±2°C accuracy)
Navigation 40 m single‑line LiDAR, supports mapping up to 20,000 m²
Speed 0.9–1 m/s
Head Control Left/right: ±90°, up: 30°, down: 15°
Movement Precision ≤5 mm/m, ≤5°/360°
Tires 10‑inch anti‑slip rubber tires + 3‑inch castors, suitable for cement, carpet, tiles
Visible Camera 2.8 mm focal length, 121° FOV, 5 m pickup, 1080p (4K optional), RTMP streaming
Thermal Camera (thermal version) 2.9 mm focal length, 85.5°×61.6° FOV, ‑5°C to 150°C range

Software Features

Feature Detail
Indoor Autonomous Navigation Build indoor maps, set waypoints and routes, cruise patrol, supports 100 maps and 20 routes
Cross‑Floor Patrol Optional elevator control module for autonomous elevator boarding and inter‑floor patrol
Timed Tasks Schedule patrols at fixed times and locations
Elevator Integration Optional, supports single‑door/double‑door elevators, multi‑elevator patrol
Gate Access Integration Optional, supports pedestrian gates, sliding doors, and electric gates
Alert Methods Tail light flashing, loudspeaker broadcast, console alerts, mobile notifications
Human Detection Alert Detects and alerts on human presence during patrol
Smoke Detection Alert Detects and alerts on smoke during patrol
High‑Temperature Alert (thermal version) Detects and alerts on high‑temperature zones during patrol
Cloud Platform Remote configuration of interaction settings, motion parameters, and navigation routes
Auto‑Charging Auto‑returns to charging dock when low on battery or after task completion

Use Scenarios

  • Office Buildings – After‑hours patrol, intrusion detection, fire/smoke monitoring

  • Factories & Warehouses – Safety inspections, temperature monitoring, smoke detection

  • Residential Communities – 24/7 community patrol, suspicious activity alerts

  • Retail & Commercial Spaces – Closing‑time security, fire prevention

  • Schools & Campuses – Hallway patrol, safety monitoring