Safe automatic window rail

The utility model provides a safe automatic window rail belongs to from movable rail way equipment field, and it includes track main part, window frame support bracket, driving chain, drive gear, first motor, second motor, gas sensor and controller, and it detects indoor air composition through use gas sensor, works as the air composition appearance condition dangerous to the human body that detect, automatic control opens the window and takes a breath when crossing the high circumstances like carbon monoxide concentration, avoids appearing the incident. This window rail uses the ordinary window of window frame support bracket bearing simultaneously, and the wide maintenance cost of just installing of application scope is low. 本实用新型提供种安全自动窗轨，属于自动轨道设备领域，其包括轨道主体、窗框承托架、传动链、传动齿轮、第电机、第二电机、气体传感器和控制器，其通过使用气体传感器检测室内的空气成分，当检测到空气成分出现对人体有危险的情况，如氧化碳浓度过高等情况时自动控制打开窗户进行换气，避免出现安全事故。同时该窗轨使用窗框承托架承托普通窗门，适用范围广且安装维护成本低。