POINT OF SWITCHING TO SELF-RESCUERS Russian patent published in 2022 - IPC E21F11/00 

FIELD: mining industry.

SUBSTANCE: invention relates to the mining industry and is used to store backup self-rescuers and protect underground personnel from exposure to harmful factors in the mine atmosphere. The point of switching to self-rescuers is equipped with a source of fresh air to create a breathable atmosphere at the point, and is also additionally equipped with a system of sensors that transmit signals to an automatic system for monitoring and controlling the state of the atmosphere inside the point with the possibility of transmitting signals to the dispatcher’s console and signals to open channels for the supply of fresh air per item. The point is equipped with a power supply system, a system for accounting for unused self-rescuers, an uninterruptible power supply, lighting and warning. Supply air is supplied through a fitting connected to the first inlet of the fresh air source selection distributor, compressed air cylinders are connected to the second inlet of the fresh air source selection distributor, and the outlet of the fresh air source selection distributor through the compressed air preparation system, air supply control valve and The regulator of the volume of air supplied to the point is connected to fresh air nozzles located throughout the volume of the body, the input and output modules are equipped with an autonomous individual air shower.

EFFECT: increasing the reliability of using the point of switching to standby self-rescuers and automating the processes of monitoring the state of the air inside the point.

5 cl, 2 dwg