矿用防爆型 LED 巷道灯——井下 LED防爆灯 Mine flame-proof Laneway lamp 煤矿井下 LED 防爆巷道灯外壳采用压铸铝工艺,表面静电喷涂。内置 LED 驱动电路,宽电压设计,耐潮抗震,高品质、超高亮、长寿命。 The outer case adopts the technics of die-casting aluminium,plus electrostatic spraying surface.In-built LED driving circuit,wide range of voltage design,high quality,super brightness,long life. 技术参数 Main specification 项目 Item 主要技术参数 Main specification 工作电压 Work voltage A