Huafeng Coal Mine successfully developed energy-saving security controller for electric welding machine

Huafeng Coal Mine, part of Shandong Xinwen Mining Group, has developed an innovative energy-saving and safety control system for electric welding machines. This new controller has been successfully implemented within the mine’s teams and has delivered impressive results in both energy efficiency and operational safety. The energy saver utilizes a current detection mechanism that automatically cuts off power when the welding machine is not in use, eliminating the need for manual power switch operations. This feature not only reduces energy consumption significantly but also extends the lifespan of the equipment by minimizing unnecessary wear and tear. The automatic power-saving function is especially beneficial in high-traffic environments where frequent on-off cycles are common. In terms of safety, the device enhances protection for welders by incorporating a series-connected capacitor into the power supply circuit. This modification effectively lowers the secondary voltage from the standard 60–70 volts down to a safer range of 7–18 volts. This reduction minimizes the risk of electric shock, even in wet conditions or during electrode changes, making the welding process much safer for workers. The design ensures that even in cases of accidental leakage or moisture exposure, the welder remains protected. This added layer of safety is crucial in mining environments, where electrical hazards can pose serious risks. Overall, the system not only helps the mine save energy but also improves working conditions and promotes a safer workplace for all personnel involved.

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