Air quality regulation and control device for welding workshop

The utility model discloses a welding workshop air quality regulation and control device which comprises a remote terminal unit (RTU) data transmitter, the RTU data transmitter is respectively and electrically connected with a CO sensor, an NO sensor, a dust sensor and an ozone sensor through data lines, a central processing unit is electrically connected with a decoder through a data line, and the decoder is electrically connected with a frequency conversion fan. The system is simple in structure, low in cost and suitable for being widely used in various types of welding workshops, harmful substances in the welding workshops can be automatically treated by arranging the RTU module and the central processing unit, the frequency conversion fan can be intelligently adjusted, the air purification effect is more remarkable, and welding workers can conduct unified control and control through the operation touch screen arranged on the central processing unit. Operation is more convenient, and system work is more ef