Fan

A draught fan comprises an installation assembly used for installing a draught fan assembly; the fan assembly is used for forming vacuum; the fan assembly is arranged on the mounting assembly; the rectifying assembly is used for rectifying air input by the air pipe; the conveying assembly is used for conveying the air in the rectifying assembly into the fan assembly; the first end of the conveying assembly is connected with the rectifying assembly, and the second end of the conveying assembly is connected with the fan assembly. The air obtained by the fan is high in directionality, high in safety and low in noise. 一种风机，包括：安装组件，用于安装风机组件；风机组件，用于形成真空；所述风机组件设置于所述安装组件上；整流组件，用于对风管输入的空气进行整流；输送组件，用于输送所述整流组件中的空气至所述风机组件中；所述输送组件的第一端与所述整流组件连接而第二端与所述风机组件连接。本申请提供的一种风机得到的空气方向性强，安全性高，噪音小。