大部分煤矿井下由于潮湿、地质条件恶劣而造成电缆和电气设备的绝缘阻值下降,引起供电系统跳闸。下面介绍一种单台防爆磁力起动器漏电闭锁保护——自动声响报警装置。它的特点是:动作灵敏可靠,能自动解锁并能发出声响报警。使用本装置便可解决上述问题。木装置主要由电源、检测、声响报警三部分组成。检测部分用来监视本台防 Most of the coal mines due to damp, poor geological conditions caused by the insulation resistance of cables and electrical equipment decreased, causing the power supply system trip. The following describes a single explosion-proof magnetic starter leakage lock protection - automatic audible alarm. Its features are: action sensitive and reliable, can automatically unlock and audible alarm. Use this device to solve the above problems. Wood devices mainly by the power, testing, sound alarm consists of three parts. Detection section is used to monitor the Taiwan defense