Fan ventilation device

A fan ventilation device comprises a window arranged on a wall, an exhaust fan and a controller. A movable opening is formed in the middle of thick glass arranged in the middle of the window; the exhaust fan is arranged in the movable opening; the back of the exhaust fan is connected with a fixed net frame; kraft paper is pasted on the portion, on the obverse side of the exhaust fan, of the movable opening, and the area of the kraft paper is larger than that of the movable opening; and the controller comprises an insulating outer shell, an input power line, an output power line and a temperature sensing metal sheet. Through the design, air can be automatically exhausted in a fire, the fire loss is reduced advantageously, the structure is simple, the practicability is high, the cost is low, and the firmness is high. 种风扇通气装置，包括墙壁上设置的窗户，以及排风扇与控制器，所述窗户中部设置的厚玻璃的中部开设有活动口，活动口内设置有排风扇，排风扇的背部与固定网架相连接，排风扇正面的活动口上粘贴有牛皮纸，牛皮纸的面积大于活动口的面积；所述控制器包括绝缘外壳、输入电源线、输出电源线、感温金属片。本设计不仅能够在火灾时自动排风、便于降低火灾损失、结构简单，而且实用性较强、成本较低、牢靠性较强。