As the core power generation unit of photovoltaic power plants, photovoltaic modules have subtle defects such as hidden cracks, broken grids, virtual welding, fragments, and black cores inside, which are the core hidden dangers that lead to power generation attenuation, efficiency decline, and shortened service life of the modules. This type of internal defect cannot be recognized by the naked eye, and conventional appearance inspection equipment is difficult to capture. For a long time, there have been industry pain points such as missed detection, high false detection rate, and low detection efficiency, which seriously affect the stability of photovoltaic power generation and investment returns. In response to the difficulty of detecting hidden defects in photovoltaic modules, Suzhou LAILX has made precise efforts and independently developed the LXG50 portable EL detector. With four core capabilities of high-definition imaging, AI intelligent recognition, all-weather detection, and lightweight portability, it has become a "precise perspective tool" for detecting internal defects in photovoltaic modules. Rapid detection instrument for hidden cracks in photovoltaic panels

The imaging quality is the core competitiveness of EL detection equipment. The LXG50 is equipped with the industry's top of the line 30 million level high-sensitivity infrared imaging camera and a 99.8% high-sensitivity infrared sensing chip. The imaging resolution can reach 0.2mm/pixel, which can perfectly restore the internal microstructure of photovoltaic modules and clearly capture micro level fine defects. Whether it is small hidden cracks, fine grid breaks, or subtle problems such as virtual welding, sintered mesh, and local blackening that are not easy to detect, they can be accurately presented, completely solving the drawbacks of traditional equipment imaging blur and difficulty in identifying fine defects, and achieving blind spot detection of component defects.

Relying on self-developed patented focusing technology, the equipment is equipped with a full-time dark light autofocus system, which overturns the cumbersome mode of traditional manual focusing and fill light focusing. It does not require manual intervention or additional infrared fill light, and can quickly and accurately focus in complex shooting scenes such as dark light, backlight, and inclined surfaces. The focusing speed is fast, the imaging stability is strong, and every detection can obtain high-definition and effective images. Compared to traditional EL devices, this intelligent focusing technology can increase the efficiency of single component detection by 7-8 times, significantly reducing manual operation costs and operational errors.

The all-weather operation capability enables the equipment to adapt to the detection needs of all scenarios. Traditional EL detectors can only detect at night, with limited operating time, which seriously affects the detection progress of large-scale power plants. LXG50 breaks through technological barriers and is equipped with a dedicated anti infrared interference darkroom tent, which can achieve uninterrupted testing day and night. Whether it is factory component sampling, warehouse inventory quality inspection, or on-site inspection and troubleshooting of installed power plants outdoors, it can efficiently carry out operations, completely breaking time and scene limitations, greatly improving the flexibility and efficiency of photovoltaic quality inspection and operation and maintenance work.

The AI intelligent recognition system is the core highlight of LXG50, completely revolutionizing the inefficient mode of traditional manual image analysis and judgment. The device is equipped with LAILX exclusive AI-EL intelligent detection algorithm, which can automatically identify, accurately mark, classify and statistically analyze various types of defects in components, accurately distinguish different types of defects such as hidden cracks, broken grids, virtual soldering, fragments, black cores, etc., automatically label the location, size and severity of defects, without the need for workers to analyze images frame by frame. The detection and judgment efficiency is improved by more than 60%, while effectively avoiding the problems of missed judgment and misjudgment caused by manual judgment, greatly improving the accuracy of defect detection.

The intelligent interaction and transmission design of the device meets the needs of on-site operations, with a built-in 4G exclusive WiFi module and strong anti-interference ability. The farthest wireless transmission distance can reach 150 meters, supporting synchronous connection of multiple terminals such as mobile phones, tablets, and computers. It can remotely control the device to shoot, preview imaging images in real time, zoom in on details, and support dual device synchronous linkage. One device controls the shooting, and the other device monitors in real time, adapting to team collaborative work scenarios. At the same time, the equipment is equipped with intelligent management software, which supports barcode binding, power station array modeling, defect data statistical analysis, and can generate standardized inspection reports with one click, realizing the integration of the entire process of inspection, judgment, archiving, and report issuance.

Portable design suitable for complex outdoor working conditions, LXG50 adopts a lightweight integrated body design, compact structure, light weight, matched with a dedicated portable protective box, dustproof, shockproof, anti-interference, easy to carry and quickly set up by a single person, without complex installation and debugging, can be operated immediately after startup, perfectly adapting to various complex outdoor scenes such as mountains, roofs, water power stations, etc., solving the pain points of traditional EL equipment being bulky, difficult to transport, and cumbersome to set up. At the same time, the equipment is equipped with a programmable two in one detection power supply, which can wirelessly adjust current parameters and adapt to different specifications and powers of photovoltaic module detection, without the need for additional power equipment, simplifying the operation process and reducing equipment costs.

With the comprehensive advantages of high-definition imaging, intelligent judgment, all-weather operation, and convenience and efficiency, the Suzhou LAILX LXG50 portable EL detector has been widely used in various fields such as photovoltaic module production quality inspection, power plant engineering acceptance, daily operation and maintenance investigation, and old power plant renovation detection, helping the photovoltaic industry to achieve standardized, intelligent, and efficient defect detection upgrades, and building a technical barrier for photovoltaic module quality control and long-term stable operation of power plants.

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