WLS-7 Solar Panel Cleaning Robot for Efficient PV Maintenance

Automated Solar Panel Cleaning for Large PV Projects

The solar panel cleaning robot is designed for large-scale photovoltaic power plants, commercial solar installations, and rooftop PV projects where manual cleaning can be time-consuming and labor-intensive. It combines electric roller brushing, wireless remote control, and intelligent anti-fall sensing to provide a more efficient approach to routine solar panel maintenance.

With a 1200 mm cleaning width and a maximum travel speed of 22 m/min, the robot can cover large panel areas efficiently. Its cleaning capacity can reach approximately 1.2 MW of photovoltaic panels per day, helping operators improve maintenance productivity while reducing dependence on manual labor.

Wireless Remote Control and Flexible Movement

The WLS-7 uses wireless remote control for convenient operation, with a control distance of up to 150 meters. Its multi-directional movement allows operators to guide the robot across photovoltaic panel surfaces with greater flexibility, making it suitable for extensive PV arrays and areas that are difficult to clean manually.

The remote operating design also allows cleaning personnel to maintain a safer working position rather than repeatedly approaching the panel surface. This makes the solar panel cleaning robot a practical choice for professional photovoltaic operation and maintenance.

Dry Brushing and Water Washing

Different PV installations can face different types of contamination, including dust, pollen, and accumulated surface dirt. To accommodate varying cleaning conditions, the robot supports both dry brushing and water washing. The electric roller brush uses nylon bristles to remove surface contaminants, while integrated spray nozzles support water-assisted cleaning when additional washing is required.

This dual cleaning approach gives operators greater flexibility when managing routine dust removal or more persistent contamination. It also helps reduce unnecessary manual brushing across large photovoltaic arrays.

Intelligent Anti-Fall Protection

Safety is a critical consideration when cleaning photovoltaic panels, particularly when automated equipment operates near module edges. The WLS-7 is equipped with ultrasonic anti-fall sensors that detect panel edges and help reduce the risk of the robot moving beyond the cleaning area.

An overload warning function provides additional operational protection. Together, these features help operators manage automated cleaning with greater confidence and reduce the risks associated with uncontrolled movement.

Built for Professional PV Cleaning

The robot has a compact structure and weighs approximately 30 kg without batteries, making transportation and deployment more manageable. Two 24V lithium batteries provide approximately five hours of working time under the specified operating conditions, supporting extended cleaning operations.

The equipment is designed for working temperatures from -20°C to 50°C and can operate on panel surfaces with working angles below 20°. These characteristics allow the solar panel cleaning robot to support photovoltaic maintenance across a wide range of outdoor operating environments.

Key Product Features

A Practical Solution for Solar O&M

For large photovoltaic installations, cleaning efficiency directly affects maintenance costs and operational productivity. The WLS-7 solar panel cleaning robot combines automated movement, wide cleaning coverage, remote operation, and anti-fall protection in one professional cleaning solution.

Developed by WANLV SUNNY, it is designed to help solar operators improve cleaning consistency, reduce manual workload, and maintain cleaner PV surfaces more efficiently. Its combination of dry brushing and water washing makes it adaptable to different cleaning requirements across commercial and utility-scale photovoltaic projects.