The product has obtained ATEX II 2G and IECEx explosion-proof certifications, meeting the strict safety requirements of underground flammable and explosive environments, and can be used in coal mines with gas and dust explosion risks. The core technical highlight is the dual communication mode of wireless LoRa and wired RS485, which can realize stable data transmission even in complex underground tunnel environments with strong signal interference. The differentiated function lies in the integrated sound and light alarm system; when underground gas concentration exceeds the standard, equipment malfunctions, or personnel enter restricted areas, the mimic panel will automatically trigger a red flashing light and 85dB alarm sound, reminding managers to take emergency measures immediately. In addition, it is equipped with a mine-specific 127V AC power supply and 2-hour battery backup, ensuring normal operation even in the event of underground power outages, providing continuous safety monitoring.
The screen uses a low-power LED dot matrix display with a pixel pitch of 12mm, ensuring clear display of underground environment data and equipment status in dim underground environments. The explosion-proof shell is made of cast aluminum alloy, with a thickness of 10mm, and the surface is treated with anti-corrosion coating, which can resist the erosion of underground corrosive gases and water. The operating temperature range is -15℃~40℃, and the relative humidity is 10%~98% (no condensation), adapting to the humid underground environment. The data update frequency is 1s/time, which can synchronize underground gas concentration, oxygen content, wind speed, and equipment operation data in real time. The wireless LoRa communication distance is up to 5km in underground tunnels, and the wired RS485 communication supports long-distance data transmission. The sound and light alarm module has a flashing frequency of 2Hz and an alarm sound of 85dB, which can be clearly recognized in the underground environment. The battery backup can support continuous operation for 2 hours when the power is cut off.
It is widely used in underground mining safety monitoring scenarios. In underground coal mines, it is installed in the underground control room to display real-time data such as gas concentration, oxygen content, and wind speed in the working face, and the operation status of shearers and conveyor belts, helping managers monitor the safety status of the working face; in metal mines, it displays the tunnel support status, ore hoisting equipment operation data, and personnel positioning information, ensuring the safety of underground mining personnel. In addition, it can also be applied to non-metallic mines such as limestone mines, displaying blasting area status, dust concentration, and ventilation system operation data, preventing blasting accidents and dust hazards. During emergency scenarios such as underground gas leaks and tunnel collapses, this mimic panel can quickly display the location of the accident, personnel distribution, and evacuation routes, helping rescue teams formulate scientific rescue plans and improving rescue efficiency.
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