Hidden defects such as internal cracks, broken grids, virtual soldering, and black core chips in photovoltaic modules are the core causes of the declining power generation efficiency and frequent hot spot safety accidents in power plants. Traditional desktop EL detectors are limited by size and shading conditions and can only be used in dark rooms in factories. Outdoor on-site inspections require the construction of thick shading sheds, which are time-consuming and labor-intensive to transport and install. In addition, imaging is blurry in high light environments at noon, and small defects are easily missed. Suzhou LAILX is deeply committed to the research and development of photovoltaic imaging technology, and has launched its lightweight flagship product LXG30 portable EL detector. With 24 million high-definition infrared imaging, sunlight adaptive imaging algorithm, and a complete set of 7.8kg lightweight body, it achieves all-weather outdoor component defect detection without shading sheds, breaking the limitations of site and lighting conditions, and providing efficient non-destructive testing solutions for distributed photovoltaics, large-scale ground power stations, and component incoming inspection. It has become an essential testing equipment in the field of photovoltaic operation and maintenance. Photovoltaic power station tester

The LXG30 core imaging system is equipped with an industrial grade 24 megapixel CMOS near-infrared camera with a resolution of up to 6000 × 4000. It is paired with a self-developed Lailx9s germanium infrared optical lens to accurately capture the infrared radiation signal of battery cells in the 1100nm wavelength band. The defect recognition accuracy can reach 0.03mm, and small defects that cannot be distinguished by conventional equipment such as micro hidden cracks, fine broken grids, edge virtual welding, and local overetching can be fully presented in the imaging image. The equipment leakage rate is controlled within 0.1%, and the imaging clarity and defect recognition ability are comparable to imported high-end desktop EL equipment, greatly reducing the detection cost. The industry exclusive strong light suppression adaptive exposure algorithm is the core technology highlight of the product. It does not require the construction of a shading shed. Under the working conditions of sunny days and direct sunlight at noon, the equipment automatically filters out environmental infrared interference and outputs clear and detailed EL images, completely solving the limitations of traditional portable EL that can only work in the morning and evening. Batch component testing can be carried out 24/7, and the daily testing volume is increased by more than three times, greatly reducing the maintenance and inspection cycle of power plants.

The whole machine adopts a modular integrated lightweight design. The imaging camera, constant current excitation power supply, and large capacity lithium battery are all stored in the same three proof portable case. The total weight of the whole set of equipment is only 7.8kg, and it is equipped with a carbon fiber folding tripod. After storage, the length is less than 60 centimeters, and a single person's handbag can be transported without the need for multiple people to cooperate in carrying and setting up. The tripod supports 720 ° panoramic pan tilt adjustment, and can flexibly adapt to various installation scenarios such as roof tilt arrays, floor tile components, high-rise curtain wall photovoltaics, etc. The complete assembly and debugging of the whole machine only takes 5 minutes, and it can be put into testing operation after opening the box. The protection level of the equipment shell is IP64, which is impact resistant, dustproof and rainproof. It can adapt to harsh outdoor environments such as northwest wind and sand power stations, southern rainy season distributed roofs, and coastal high salt spray. The working temperature covers -20 ℃ to 70 ℃, and the performance of field operations is stable throughout the year. It is equipped with a dedicated waterproof storage bag, which effectively protects the lens and power precision module from collision and damage during transportation.

The power supply excitation module has been optimized for thousands of on-site working conditions, and the constant current drive circuit output current is precise and infinitely adjustable. It is compatible with various photovoltaic modules in the full power range of 300W to 700W, including single glass, double glass, half sheet, and stacked tile. The current fluctuation error during the detection process is less than 1%, avoiding image distortion and defect misjudgment caused by unstable power supply. The device is equipped with multiple safety protection mechanisms, including automatic power-off protection for reverse connection, overcurrent, and short circuit. The contact type safety wiring terminal eliminates the risk of leakage, and the operation and maintenance personnel can operate safely and controllably throughout the live operation. The imaging speed is flexible and adjustable, with a single component completing high-definition imaging in as fast as 5 seconds. Batch array inspection can set a standard imaging mode of 10 seconds, balancing imaging quality and detection efficiency; The device is equipped with a dedicated wireless WiFi transmission module, which allows real-time preview of imaging images through tablets and mobile phones within a range of 150 meters, and remote adjustment of exposure and focus parameters without the need to travel back and forth to the device host. This greatly improves the convenience of high-altitude and array remote component detection operations.

The intelligent data management system is adapted to the standardized operation process of operation and maintenance, and is equipped with professional defect analysis software on PC and mobile control APP. It supports component barcode scanning to bind imaging files, automatically synchronizing and archiving component serial numbers, detection times, array positions, and defect types. The software has nine built-in photovoltaic defect annotation templates, which can easily mark faults such as hidden cracks, broken grids, virtual soldering, black chips, and thermal damage with one click. It automatically counts the number and area of defects, generates standardized testing reports in batches, supports image watermarking, non-destructive original image export, video framing recording, and fully preserves the original files of component defects for component quality assurance and rights protection, power plant fault tracing, and annual operation and maintenance evaluation. The body comes standard with 32GB of large capacity storage memory, which can store tens of thousands of high-definition EL original images. It supports memory card expansion, allowing for long-term continuous field inspections without worrying about insufficient storage space.

At present, the scale of domestic photovoltaic power stations continues to expand, and the service life of components is increasing year by year. The demand for internal hidden defect investigation has surged. At the same time, the demand for on-site EL testing equipment for incoming material acceptance and post construction sampling of new projects continues to increase. The Suzhou LAILX LXG30 portable EL detector, with its four core advantages of all-weather light free detection, high-definition micron level defect recognition, lightweight single person operation, and fully compatible component adaptation, perfectly matches the needs of power station operation and maintenance, third-party testing, and outdoor sampling in component factories. Since its launch, the product has covered more than 30 new energy operation and maintenance enterprises in various provinces and cities across the country, and has been exported to overseas photovoltaic markets in Southeast Asia and the Middle East. With a comprehensive after-sales system of national joint guarantee, 24-hour technical response, and one-year machine warranty, it has received widespread praise from the market. Suzhou LAILX will continue to iterate infrared imaging algorithms, develop AI automatic defect recognition functions, simplify manual labeling processes, promote the intelligent upgrading of the photovoltaic non-destructive testing industry with domestically developed core imaging technology, and assist in the safe, efficient, and long-term operation of new energy power plants.

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