| 摘要 |
PURPOSE: An apparatus for controlling an entrance door of a railway car is provided to improve the work convenience and efficiency of workers by directly opening a door in a passenger room of a railway car when the maintenance or inspection of the railway car is implemented. CONSTITUTION: An apparatus for controlling an entrance door of a railway car comprises a right door control switch, a right door control relay, a right door control relay contact point, a right door control unit, a left door control switch, a left door control relay, a left door control relay contact point, and a left door control unit. A user in a railway car inputs signals for opening a right door through the right door control switch. When the right door control switch is turned on, the right door control relay is excited. When the right door relay is excited, the right door control relay contact point is turned on. When the right door relay contact point is turned on, the right door control unit receives power through the right door control relay contact point to open the right door. The user in the railway car inputs signals for opening a left door through the left door control switch. [Reference numerals] (AA) Power; (BB) Right door control unit; (CC) Right door; (DD) Left door; (EE) Left door control unit |
