Oriented distributed coal mine gas monitoring system

The utility model discloses an oriented distributed coal mine gas monitoring system which comprises a field device module (1), a system network module (2) and a ground monitoring module (3), wherein the field device module (1) is formed by connection of an anti-explosion network controller and a sensor group formed by connection of a plurality of sensors in parallel; the system network module (2) comprises a fiber optic backbone Ethernet ring network, a LonWorks sub network and a network adapter; and the ground monitoring module (3) comprises a monitoring computer, a database server and a printer, and the monitoring computer is connected with the database server. The scheme of the oriented distributed coal mine gas monitoring system is suitable for mine environment of different scales, facilitates the extension of the system, monitoring types are abundant, and monitoring range is wide, and therefore the oriented distributed coal mine gas monitoring system can monitor downhole environment in a multi-types and high-precision mode.