Air door switching sensor and have air door of switching sensor

The utility model provides an air door switching sensor and have air door of switching sensor, the switching sensor includes induction coil and magnet, induction coil and magnet are installed at the door frame of air door and the edge of door relatively, induction coil passes through voltage -multiplying fairing and the relay electricity is connected. Have the air door of switching sensor, includedoor frame and door, the marginal facies of door frame and door is to installing induction coil and magnet, induction coil passes through voltage -multiplying fairing and the relay is connected. Theutility model discloses utilize induction coil and magnet steel group come to substitute the tongue tube, solved the serious problem of tongue tube loss, and the new installation maintenance of beingconvenient for, long service life, the error rate is low, to abominable environmental suitability is good in the pit. 本实用新型提供种风门开闭传感器及具有开闭传感器的风门，开闭传感器包括感应线圈和磁体；所述感应线圈和磁体相对安装在风门的门框和门的边缘，所述感应线圈通过倍压整流装置和继电器电连接。具有开闭传感器的风门，包括门框和门，所述