| 摘要 |
PURPOSE: A one time type digital door lock device is provided to prevent malfunction or failure according to door opening. CONSTITUTION: A one time type digital door lock device includes a locking unit (50). The locking unit comprises a case (110), a permanent magnet (120), an insertion pin (130), an elastic body (140) and a power supply operation unit (150). The case is installed in the housing, and is inserted into a fixing hole. The case forms a coil (111), and forms a movable hole (113) corresponding to a fixed hole (41) of a rotary plate (40). The permanent magnet is installed in the rear of the case. The insertion pin is inserted into the movable hole of the case, and operates forward and backward according to an input information signal. The elastic body is arranged between the permanent magnet and the insertion pin, and inserts the insertion pin into the fixed hole of the rotary plate. The power supply operation unit comprises a first switch part (151) and a second switch part (152) which are connected between the coil of the case and a control unit (70). |
