FIELD: ensuring safety of miners in subsurface mine workings equipped with production-face support sections.
SUBSTANCE: at least part of support sections are assigned data acquisition sensors connected to support-section control devices and used to scan at least working and mining section of support assigned sections; data acquisition sensors are designed for turning on and turning off by means of assigned-section control devices; data acquisition sensors are turned on by assigned-section control devices prior to scheduled displacement of support section and turned off upon ceasing displacement; each section is assigned respective data acquisition sensor.
EFFECT: reduced power requirement and adverse effect of electromagnetic smog on miners working with electrical equipment in faces.
30 cl, 5 dwg
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Authors
Dates
2004-08-10—Published
2000-07-07—Filed