-Air source pressure≥0.3MPa;
-Air source flow≥0.3m3/min;
-Wind-warm syndrome≤40°C,
-Dust particle size≤10um;
-Oil content≤10mg/m3;
When the wind pressure of the periscope protection air inlet is lower than 0.04MPa, the transmission system automatically exits the work site
When the temperature inside the protective cover is higher than 70°C, the transmission system automatically exits the work site