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近日,由山东新汶矿业集团华丰煤矿自主研制出的一种电焊机节能保安控制器,在该矿班组投入使用后,显现出显著的节能和保安效果。该节能器采用电流检出法,达到
Recently, Huafeng Coal Mine of Shandong Xinwen Mining Group independently developed a kind of energy-saving security controller for welding machine. After the mine team put into use, it showed significant energy-saving and security effect. The energy-saving device using current detection method to achieve