Device for automatically shutting window on raining

The utility model discloses an automatic window-closing device. One end (m) of a creepage inductor K is connected to the power supply, the other end (n) of K is connected to the moving point (d) of window-shutting-to-the-position travel switch K ; the permanent joint (c) of K is connected to the permanent joint (e) of window-shutting-to-the-position travel switch K . The movable contact (f) of K is connected to the connection point between resistors R and R ; the other ends of R and R are connected to the permanent joints a and b of capacitor C and relay J respectively; the movable contact (P) of relay J is connected to both the motor (M) and joint a; the other movable contact (Q) of J is connected to the power supply, the motor (M) and joint b; relay J is also provided with another set of turning joint a end and b end. Button S is connected to the coil of relay J ; the drive sprocket is connected to the fixed sprocket by a chain, and the driven sprocket is arranged on the sliding chute; the driven sprocket axle is connected to the bearing of the window drawing rim. The utility model is novel in design, simple in structure, easy to operate, and applicable to plants/mines, governmental agencies, hotels and residential houses.