Application technique of chimney effect on computer lab rack

The utility model discloses an application technique of chimney effect on computer lab rack, constitute including iron tower, computer lab rack, ventilation pipeline, temperature automatic control system, the iron tower is outdoor self -supporting single -pipe tower, tee pipe tower, four tubs of towers, and the gas outlet of airing exhaust has been seted up on the iron tower top, each section junction good seal, the four sides wall body and the top layer of computer lab rack are the communicating cavity body, and the top layer cavity body communicates with each other with iron tower owner limbsteel pipe through ventilation pipeline, and the bottom is provided with the ventilation pipeline that admits air, temperature automatic control system installs in ventilation pipeline's air intake and air outlet department, but real time monitoring indoor and outdoor temperature when outdoor temperature is less than the indoor control temperature, opens ventilation pipeline, utilizes " chimney effect " to form upwards a