A elevator emergency bell call security office and watch office control system

摘要

PURPOSE: A system for controlling a security office and a preventing room by an emergent bell call of an elevator is provided to increase the quality and reliability of a product. CONSTITUTION: If an emergent bell of an elevator(1) is pressed, an interphone(31) operates wherein the interphone is connected by a call connection line and a connector(10) of an elevator operates wherein the connector is connected by a call line or a power line. The internal screen of the elevator where an emergent call occurs is enlarged on the entire monitor of a security office and a preventing room(30).