Multifunctional protection window

The invention discloses a multifunctional protection window comprising a rectangular window frame, an upper fence, a lower fence, a device box, a buzzer, a transmission device, a smoke proof curtain, a locking device and a controller. When a fire occurs, an owner can push a part of the lower fence out to form an accommodating chamber for people to stand with a telescopic device; the lower fence and the telescopic device are transferred to a lower end of a window through the transmission device to avoid the firing and smoking window; on the other hand, the window is blocked by the curtain installed inside the device box to prevent toxic gases flowing out and poisoning people. The multifunctional protection window is aimed to solve the problem that present anti-theft windows cannot serve as a refuge or isolate the toxic gas and there is no fire alarm device when an indoor fire occurs. 本发明公开涉及种多功能防护窗，包括矩形窗框、上防护栏、下防护栏、装置盒、蜂鸣器、传动装置、遮烟幕布、锁闭装置和控制器。当发生火灾的时候，主人可以将下防护栏推出部分，与伸缩装置起形成个容纳腔，以供人站立，通过传动装置将下防护栏和伸缩装置起输送到窗口下端，避开