楼宇对讲电子防盗门是一种集中控制式单元防盗门,单元门口的大门上装有主控面板、主机箱和电控锁。每个住户都有对讲分机。主控面板与主机、分机、电控锁之间用电缆连接之后就组成一套楼宇对讲电子防盗门的电控系统。该系统具有来访振铃呼叫、双工对讲通话、有线遥控开锁等基本功能。本文所介绍的是维修遥控开锁电路的辅助电路,见附图所示。 Building intercom electronic security door is a centralized control unit anti-theft door, unit door with the main control panel, the main chassis and electric control lock. Each household has intercom extension. The main control panel and the host, extension, electronic control lock after the connection between the cable to form a building intercom electronic security door electronic control system. The system has a visiting ringing call, duplex intercom calls, wired remote unlock and other basic functions. This article describes the maintenance of remote control unlock circuit auxiliary circuit, see the figure below.