Coal mine air channel ventilation flow online monitoring system

摘要

A coal mine air channel ventilation flow online monitoring system, comprising a data collecting system and a data processing system, the data processing system consisting of a data processor (10) and a display device (12), the data processor (10) being electrically connected to the display device (12); the data collecting system comprises a fixed bearing (1), a torque sensor (2), an airflow member (4), an upper sliding rail (8) and a lower sliding rail (6); an upper end and a lower end of the fixed bearing (1) are respectively in sliding connection with the upper sliding rail (8) and the lower sliding rail (6); the airflow member (4) is disposed on the fixed bearing (1), and the torque sensor (2) is disposed on the airflow member (4) and is electrically connected to the data processor (10). The invention can achieve sampling of multiple points and real-time output, increasing the precision and reliability of measurements and facilitating monitoring.