1 Scope
This standard specifies the product classification and technical requirements of supervision system of coal mine safety.
This standard is applicable to the supervision system of coal mine safety (hereinafter referred to as the system).
2 Terms and Definitions
2.1
Supervision system of coal mine safety
The system has such functions as acquisition, transmission, storage, processing, display, printing, audible and visual alarm and control of analog quantity, switching value and accumulative quantity, etc. The system is used to monitor methane concentration, carbon monoxide concentration, carbon dioxide concentration, oxygen concentration, wind velocity, negative pressure, temperature, smog, feed state, air door state, air regulator state, air pipe state, local air fan start-stop and primary air fan start-stop, and to realize audible and visual alarm of methane out-of-limit, switching-off and methane interlocked circuit control.
2.2
