Description
Autonomous hanging robot for large and ground-mounted centralized PV plants. The WSE-R20 lives on the array: it cleans row after row on schedule or on command, recharges itself from its own PV panel, and reports in over 4G/LoRa — no crew on site.
Key Benefits
- Truly autonomous — on-site direct control, long-distance remote or scheduled cleaning, managed from a cloud platform or phone app over 4G/LoRa.
- Self-charging — a 70 W on-board PV panel keeps the 24 V / 20 Ah battery topped up; centralized charging is also supported, with settable low-battery protection.
- Handles real-world arrays — crosses module dislocations up to 25 mm vertical / 40 mm horizontal, works on installation angles from 0–50°, with self-run deviation correction.
- Removes more than dust — the brush structure clears dust, iron filings, sand grains, bird droppings and more, up to 4,000 m of cleaning distance.
- Gentle on modules — lightweight body, fine PBT bristles (Ø0.2 mm) and adaptive posture mean zero damage to components.
- Self-protecting — automatic shutdown procedures on abnormal voltage or current.
Specifications
| Item | Spec |
|---|---|
| Model | WSE-R20 |
| Size | (1900–5000) × 445 × 246 mm |
| Weight | ≤ 49 kg |
| Payload on modules | < 14.8 kg/m² |
| Walking speed | 0–24 m/min |
| Brush speed | 150 RPM |
| Walking motor | 30 W + 60 W |
| Brush motor | 60 W |
| Max. vertical module dislocation | 25 mm |
| Max. horizontal module dislocation | 40 mm |
| Max. climbing gradient | < 20° |
| Module installation angles | 0–50° |
| Working temperature | −30 to 80 ℃ |
| Brush | PBT, bristle diameter 0.2 mm |
| Max. cleaning distance | 4,000 m |
| Washable pollutants | Dust, iron filings, sand grains, bird droppings, etc. |
| Lithium battery | 24 V / 20 Ah, settable low-battery protection |
| Charging panel power | 70 W |
| Charge method | Self-owned PV plate / centralized charge |
| Signal control | 4G / LoRa |
| Remote control | Cloud platform / cellphone app |
| Cleaning modes | On-site direct control / long-distance / scheduled |
WSE-R20A Shuttle Car
The WSE-R20A shuttle automatically ferries the cleaning robot from one row to the next, so one robot serves many rows instead of one robot per row — cutting equipment cost dramatically on large plants. Its intelligent positioning system keeps transfers precise and the cleaning process uninterrupted.
| Item | Spec |
|---|---|
| Dimensions | (1900–5000) × 445 × 246 mm |
| Weight | ≥ 55 kg |
| Speed | 0–3 m/min |
| Climbing capacity | < 25° |
| Panel installation angle | 0–50° |
| Positioning accuracy | ±3 mm |
| Protection grade | IP65 |
| Working temperature | −30 °C to 60 °C |
| Service life | 25 years |
Best For
Utility-scale and ground-mounted centralized plants where cleaning must run continuously with minimal supervision. For mobile, operator-driven cleaning on mixed sites, see the WSE-R01B crawler robot.
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