Article through to recent old signalling system in aspect and so on signal transmission, control and function comparison, Introduced the PLC technology in the vice-well promotion signal the application merit and the promoted application prospect.

• 文章通过对新旧信号系统在信号的传输、制及功能等方面的比较,介绍了plc技术在副井提升信号中应用的优点和推广应用的前景。