Tunnel shield construction and data collection system

The invention relates to the technical field of data collection systems, in particular to a tunnel shield construction and data collection system. The system comprises a PC, a PLC, an R485 bus and a sensor; the sensor is connected with the PLC through the R485 bus, and the PLC is connected with the PC through a P485UG serial port expansion card; the sensor comprises a speed measuring instrument, a rotary encoder, an electronic belt conveyor scale, a mass flowmeter and a pressure sensor, the speed measuring instrument and the rotary encoder are connected with a high-frequency counting module, a signal separator is arranged between the PLC and the pressure sensor, and the sensor is connected with a signal modulation module and a signal collection card to the PC through a PCMCIA interface. The system has the functions of ground loss collection and monitoring, and has the advantages of high anti-interference capacity and high automated degree. 本发明涉及数据采集系统技术领域，尤其为种巷道盾构施工及其数据采集系统，包括PC、PLC、R485总线、传感器，所述传感器通过R485总线连接