Mine explosion-proof LED roadway lamp It is a green road lighting designed using the currently internationally advanced LED light source according to the MT221-2005 "Explosion-proof lamps for coal mines" standard.

　　The mine explosion-proof LED roadway lamp has the characteristics of reasonable structure, beautiful appearance, small size, light weight, explosion-proof, vibration and impact resistance, moisture resistance, good sealing performance, and no maintenance required.

　　The mine explosion-proof LED roadway lamp uses a new type of LED light source and is equipped with a specially designed lighting system for lighting along the route (patent structure), effectively illuminating a longer distance.

　　The mine explosion-proof LED roadway lamp has extremely low power consumption, only 20%~30% of the existing light source, and the overall lamp power consumption is equivalent to 24W-100-150W of the existing roadway lamps.

　　Long lifespan and reliable safety. Using LED light source, no need to replace the light source for 3-5 years, completely solving the problem of frequent bulb replacement in existing road lamps. In addition, using LED light source, the heat is low, the temperature is low, and the safety performance is significantly improved. The drive power supply adopts an electrolyte-free design, using the prevention of electrolytic capacity lifespan shortcomings, greatly improving the lifespan of the power supply, making the LED light source and drive power supply lifespan match.

　　Wide voltage range and stronger adaptability. The mine explosion-proof LED roadway lamp has adaptability to mine power, such as lightning protection and prevention of voltage fluctuations.

　　The product has a unique design, small size, light weight, and good sealing performance, meeting the standards of explosion-proof or moisture-proof mine lamps.

　　The product implements the MT221-2005 "Explosion-proof lamps for coal mines" and GB 3836-2000 "Electrical equipment for explosive gas environments" standards.

　　Product explosion-proof type: Mine explosion-proof type.

　　The mine explosion-proof LED roadway lamp uses an electrolyte-free capacitor structure design to prevent the defects of electrolyte drying, temperature drift, and leakage in high temperature and timeliness of electrolytic capacitors, creating favorable conditions for improving the reliability of the entire mechanical product.

　　The mine explosion-proof LED roadway lamp adopts a high power factor active compensation design, and the overall power factor exceeds 95% within the rated operating voltage range. When multiple lamps work together, it can effectively alleviate the working pressure of the internal power grid.

　　The mine explosion-proof LED roadway lamp adopts wide voltage application technology. In addition to the rated operating voltage (90~140VAC), when the voltage is lower, when the grid voltage is 30VAC, it can maintain the output without filling the navigation lamp, and a certain illuminance can be indicated. When the grid voltage reaches 265VAC, it can maintain full-load output for a short time.

　　According to the situation of large power grid fluctuations and interference at the coal mine site, the power supply driver board adopts multi-level anti-interference measures. The power supply input end adopts two-level common-mode suppression, two-level differential mode suppression, a single micro-gap discharge surge absorption device, and a multi-level anti-interference capacitor design. When the coal mine power grid is running on the route, the instantaneous induced voltage is too large when the vehicles meet, and the high-power pumps and fans start, which can effectively suppress the interference of the power grid. The loss isolation design of the roadway lamp power driver board and the power grid connection line effectively reduces the chance of contact between sparks and explosive gases, and multi-level sealing also helps to isolate the external gas and electrical parts.

　　The light distribution design adopts a patented structure, and the light distribution is more reasonable. The effective distance that can be illuminated by the rated power is twice that of the existing route lamps.

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