Photovoltaic power plants operate outdoors for a long time and are continuously subjected to complex environmental erosion such as sun exposure, rain, wind and sand, frost, and humid corrosion. Thermal hazards such as component hot spots, poor contact of MC4 joints, overload of combiner box cables, inverter heat dissipation faults, and diode failures in junction boxes have strong concealment. In the early stages of faults, they are only manifested as local small temperature differences, which cannot be identified by manual visual inspection. If the thermal hazard is not disposed of for a long time, it will gradually expand the heating area, which can cause irreversible power attenuation of components, and in severe cases, lead to component burnout and cable fires, causing significant asset losses and fire safety accidents. Infrared thermal imaging detection is currently the most direct and effective technical means for preventive troubleshooting of photovoltaic thermal faults. Suzhou Laikesi LAILX has developed the LX-F200 handheld infrared thermal imaging device to meet the exclusive temperature measurement needs of the photovoltaic industry. It is equipped with a highly sensitive infrared detection core, high-definition dual light fusion imaging, and an industrial grade durable body, accurately capturing micrometer level temperature difference thermal anomalies, achieving rapid inspection of photovoltaic modules and electrical supporting equipment across the entire area, and building a all-weather safety warning system for power plants. Compact, portable, precise imaging

The LX-F200 handheld infrared thermal imaging device is equipped with an imported uncooled long wave infrared focal plane detector, with an infrared resolution of 640 × 480 and a visible light assisted lens of 5 million pixels. The dual light synchronous imaging overlay and contrast accurately distinguish between real thermal anomalies on the device surface and environmental light and shadow interference. The thermal sensitivity of the equipment is as low as 0.05 ℃ @ 30 ℃, and it can distinguish extremely small temperature differences. Even small thermal spots at the corners of the components and temperature rises of a few tenths of a degree at the terminal connections can be clearly imaged and labeled, completely solving the problems of blurry temperature measurement and missed detection of minor faults in low-end thermal imagers. The temperature measurement range supports dual level intelligent switching, with a low temperature range covering -20 ℃ to 120 ℃, suitable for temperature measurement on photovoltaic module surfaces and junction boxes; The high temperature range is from 0 ℃ to 650 ℃, which meets the high temperature fault detection of electrical equipment such as combiner boxes, inverters, cable joints, and distribution cabinets. The temperature measurement accuracy of the whole machine is controlled within ± 2 ℃ or ± 2% reading, and the maximum value is taken for judgment. The temperature measurement data is accurate and reliable, providing quantitative temperature basis for fault level judgment.

The body adopts an ergonomic integrated handheld design, with a total weight of less than 800g. It can be inspected with one hand for a long time without fatigue, and is equipped with a non slip and wear-resistant rubber grip, making it stable and non slip in rainy, snowy, and humid environments. The body is equipped with a 4-inch outdoor high-definition touch display screen, which automatically brightens under strong light, and the outdoor noon inspection image is clear and non reflective; Set up physical shortcut function buttons on the side, which can switch temperature measurement modes, save images, adjust color scales without touch screen operation. Even wearing insulated protective gloves can operate smoothly. The device is equipped with a large capacity rechargeable lithium battery, which can work continuously for 8 hours on a single full charge, meeting the needs of large-scale inspections of power stations throughout the day. It supports Type-C fast charging, emergency power supply for on-site power banks, and unrestricted operation in outdoor scenarios without external power sources. The overall protection level of the machine reaches IP65 waterproof and dustproof standards, and the body is anti drop and shockproof, capable of withstanding a 1.5-meter drop without damage, and suitable for harsh outdoor working environments such as mountains, deserts, and coastal high salt spray.

The device is equipped with multiple photovoltaic exclusive intelligent temperature measurement functions, and is equipped with MAGICTHERM detail enhancement imaging algorithm, which automatically optimizes the contrast of thermal images, weakens imaging noise caused by environmental dust and water mist, and ensures that component thermal spots under shadow obstruction are still clear and visible; Support three measurement modes: center point temperature measurement, capturing the highest and lowest temperatures in the area, and automatic calculation of temperature difference. After selecting the component area, the system automatically outputs the highest temperature, lowest temperature, and average temperature, and determines whether it exceeds the safety threshold with one click. Automatically synchronize the temperature data, equipment number, and shooting time of the shooting point when taking thermal imaging images. It can store tens of thousands of detection images locally and support WiFi wireless transmission to mobile phones and tablets. It can also export images and temperature measurement data reports through USB interfaces. Operations personnel can group and archive images according to the power station array, establish an annual thermal fault inspection ledger, and compare temperature data over the years to track the development trend of faults.

In the operation and maintenance of the photovoltaic field, the LX-F200 handheld infrared thermal imager is used to cover all aspects of safety inspection. During the inspection of ground photovoltaic arrays, the module surface is scanned row by row to quickly locate hot spot defects caused by shadows, hidden cracks, and aging, and distinguish between permanent faults and temporary shading temperature rise; Measure the temperature of component wiring terminals and MC4 connectors, investigate local overheating caused by loose or oxidized connections, and prevent DC cable fires; Temperature measurement of internal components in combiner boxes and inverters, timely detection of electrical faults such as fuse overload, poor IGBT heat dissipation, and busbar heating; Roof distributed, household photovoltaic high-altitude inspection, lightweight body reduces the load of high-altitude operations, and lowers the risk of high-altitude operations; Simultaneously adapt to daily temperature measurement and testing of supporting electrical systems such as energy storage inverters, photovoltaic distribution cabinets, lightning protection and grounding equipment. In addition to the photovoltaic industry, the equipment can also be used in various fields such as industrial electrical equipment inspection, building wall insulation testing, power line temperature measurement, etc., expanding the application value of one machine with multiple uses.

Suzhou LAILX relies on years of experience in the research and development of new energy detection equipment. The LX-F200 has independently optimized all infrared imaging algorithms and temperature measurement programs, and has specialized algorithm tuning for low thermal difference detection of photovoltaic modules. Unlike general industrial thermal imagers, it is more in line with the actual detection standards of photovoltaic operation and maintenance. The equipment is equipped with professional PC data analysis software, which supports batch thermal imaging image temperature analysis, automatic generation of fault reports, and temperature curve drawing, making it convenient for operation and maintenance enterprises to make monthly and annual power plant safety assessment reports. The whole machine provides long-term warranty, free firmware upgrade, offline operation training, and full process after-sales service. We have launched customized bulk procurement service solutions for photovoltaic operation and maintenance teams.

With the continuous expansion of the stock scale of photovoltaic power plants, preventive safety operation and maintenance have become a necessity in the industry. Accurate and efficient infrared thermal imaging detection equipment is the core tool for power plant safety control. The LAILX LX-F200 handheld infrared thermal imaging device has four core advantages: high-definition imaging, ultra-high temperature sensitivity, portability and durability, and photovoltaic exclusive optimization. It solves the pain points of traditional inspection omissions, low efficiency, and bulky equipment, comprehensively safeguards the safety of photovoltaic power station equipment, reduces power generation losses and fire safety risks caused by thermal failures, and helps the photovoltaic industry achieve refined, digital and safe operation and maintenance, continuously empowering the stable and healthy development of the domestic clean energy industry.

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