Multiple utility intelligence exhaust fan

The utility model provides a multiple utility intelligence exhaust fan, belongs to exhaust fan technical field, including linear electric motor, strut, support, second slide rail, second slider, gear motor, electric putter, row fan main body, cylinder, first slider, first slide rail, controller, branch and movable block, installing branch under the last movable block of installing of linear electric motor, movable block, installing first slider under the branch, first slider is installed on first slide rail, and first slide rail is installed on the strut, and the strut is installed on linear electric motor, installs the cylinder under the first slider, installs gear motor under the cylinder, installs electric putter on gear motor's the output shaft, the utility model has the advantages that: distance between ability regulation and the indoor dirty thing. 种多应用智能排风扇，属于排风扇技术领域，包括直线电机、撑架、支架、第二滑轨、第二滑块、减速电机、电动推杆、排风扇主体、气缸、第滑块、第滑轨、控制器、支杆和移动块，所述直线电机上安装移动块，移动块下安装支杆，支杆下安装第滑块，第滑块安装在第滑轨上，第滑轨安装在撑架上，撑架安装在直线电机上，第滑块下安装气缸，气缸下安