During the long-term outdoor operation of photovoltaic power plants, component blockage and dust accumulation, virtual connection of wiring terminals, hidden cracks in battery cells, inverter overload, and cable aging can all cause local temperature anomalies, resulting in hot spot faults. Mild cases can continuously reduce the power generation efficiency of components, while severe cases can cause high-temperature burning of components and trigger fires in the power plant area, resulting in huge property losses to the operation of the power plant. Traditional manual temperature guns can only measure temperature at a single point and cannot fully capture the temperature distribution of components across the entire area, resulting in a high rate of missed inspections during large-scale power plant inspections; Large fixed thermal imaging equipment cannot be moved, making it difficult to adapt to the inspection needs of dispersed roofs and mountain photovoltaics. Suzhou LAILX has launched the LX-F200 handheld infrared thermal imaging device, which uses a high-sensitivity temperature measurement chip, high-definition infrared frame, portable handheld body, and photovoltaic exclusive temperature measurement algorithm to achieve comprehensive non-contact temperature hazard investigation of components, electrical equipment, and cables, and build a safe and preventive operation and maintenance system for photovoltaic power plants. Compact, portable, precise imaging

Infrared thermal imaging technology relies on the principle of object infrared radiation imaging, and can intuitively present the temperature gradient of the entire area without touching the tested equipment. It is the core means of early warning for photovoltaic thermal spots and electrical overheating faults. Currently, top domestic new energy operation and maintenance enterprises have included infrared thermal imaging inspection in the monthly standardized operation and maintenance process of power plants. The LX-F200 is equipped with a high-resolution infrared detector, with clear thermal imaging details and a temperature difference recognition sensitivity of 0.03 ℃. It can accurately capture small temperature differences of only 3-5 ℃ in components, detect early hidden heat spots in advance, and avoid irreversible damage caused by fault deterioration. The temperature measurement range of the equipment covers -20 ℃ to 300 ℃, which can not only detect the operating status of components in outdoor sub zero low temperature environments, but also accurately measure the high temperature and overheating points of inverters, junction boxes, and DC cables. One set of equipment covers all temperature measurement and detection needs in the photovoltaic field area.

The body adopts an ergonomic handheld integrated design, with a total weight of less than 800g. It can be held with one hand for a long time without fatigue during inspection, and is equipped with an anti slip and wear-resistant shell, making it stable to hold in outdoor rainy, snowy, and windy environments; IP54 dustproof and waterproof protection level, suitable for various harsh outdoor working environments. Built in replaceable large capacity lithium battery, each battery can work continuously for 6 hours, equipped with a backup battery compartment, and can be inspected throughout the day without the need for a power outage. The device is equipped with a high-definition visible light and infrared dual light fusion lens, which superimposes infrared thermal images with real scene images in real time. The fault location corresponds intuitively to the specific position of the component, without the need for repeated on-site comparison and positioning, greatly reducing the time for fault diagnosis; Support multi-point temperature measurement, automatic locking of the highest temperature in the area, and temperature difference annotation function. The screen displays the temperature value of the faulty area in real time. The operation and maintenance personnel can quickly determine the fault level on site, distinguish between three different types of faults: slight dust accumulation and temperature rise, hidden cracking and hot spots, and virtual connection overheating. Targeted rectification plans can be formulated.

The exclusive intelligent function of photovoltaics greatly improves the standardization of operation and maintenance work. The LX-F200 has a built-in temperature measurement algorithm for photovoltaic modules, which automatically filters temperature interference caused by direct sunlight and environmental temperature differences. The temperature data truly reflects the working and heating status of the modules. The device can store tens of thousands of thermal imaging images locally, with each image automatically recording the shooting time and temperature data. It supports WIFI wireless transmission to mobile phones and computer terminals, and is equipped with LAILX operation and maintenance analysis software to batch archive thermal imaging data. It automatically generates temperature hazard inspection reports, annotates all abnormal point coordinates, temperature differences, and fault types, and forms a complete operation and maintenance ledger for long-term tracking of component aging and heating trends. At the same time, the device supports exporting image rulers and temperature curves, which can serve as effective supporting materials for power plant safety assessment, insurance claims, and fire inspections.

In the operation and maintenance practices of photovoltaic projects in many parts of the country, LX-F200 has demonstrated strong adaptability to landing. A large number of industrial and commercial rooftop distributed photovoltaic operation and maintenance teams in the Jiangsu and Zhejiang regions use this equipment to conduct monthly inspections. A single inspection can quickly identify the entire rooftop array, timely clean up accumulated dust, and tighten virtual terminals. The overall failure rate of the power station has decreased by 70%; In the large-scale ground photovoltaic field area of the northwest Gobi Desert, operation and maintenance personnel carried handheld thermal imaging devices and walked along the array for inspection, discovering multiple hidden dangers of cable aging and overheating in advance and replacing cables in a timely manner to avoid fire risks. In addition to the photovoltaic industry, the equipment is also suitable for temperature measurement and testing in distribution rooms, energy storage cabinets, charging piles, and industrial electrical circuits, expanding the usage scenarios of equipment for operation and maintenance enterprises with one machine for multiple purposes.

Suzhou LAILX has been focusing on the research and development of photovoltaic detection instruments for many years. All core infrared detection chips and image processing algorithms of LX-F200 are independently calibrated and optimized. Compared with imported handheld thermal imaging equipment, it has high cost-effectiveness and localized after-sales advantages. It provides a two-year warranty for the whole machine, lifetime free calibration, and 7 × 24-hour technical remote support services. Relying on the layout advantages of photovoltaic full industry chain testing equipment, LAILX will continue to improve thermal imaging IV、EL、 A complete set of solutions for comprehensive testing of meteorology and safety regulations, continuously iterating the thermal imaging AI automatic recognition hot spot algorithm, promoting the transformation of photovoltaic operation and maintenance from post fault maintenance to early preventive testing, safeguarding the safe and stable operation of photovoltaic power plants with precision testing equipment, and assisting the safe and long-term development of the green energy industry.

Compact and portable, precise imaging, visual remote temperature measurement, easy to carry