FIELD: mining.
SUBSTANCE: invention relates to mining and is provided predominately for subsurface video surveillance, particularly for implementation of visual verification and automated flaw detection of condition of boreholes. Device for video surveillance of well includes sealed outboard unit with video camera and hermetic enclosure, which contains lamp, unit of secondary current supply, remote sensing unit, unit of input and sealing of hoist cable and electric signals converter. Additionally outboard unit additionally contains radiator, linked to environment, heat-conducting container, into which it is placed video camera and coolant, based on the Peltier effect.
EFFECT: providing the ability of video surveillance of boreholes in conditions of elevated temperature.
2 cl, 1 dwg
