The invention discloses a building visual intercom system, including the management of equipment, floor splitter, indoor machine, elevator machine, floor branch is connected with the indoor machine signal also includes at least one network isolator isolator is connected between the network device, floor branch management equipment, elevator machine through the twisted pair signal; stairs machine is provided for the composite video broadcast signal is converted to differential signal of the differential signal driver module for setting a differential signal into a composite video broadcast signal differential signal processing module is provided for floor branch, adaptive equalization adaptive processing module transmits to the management of machine the elevator machine differential signal network isolator. The invention can adaptively meet the signal transmitting end and the receiving end of the signal transmission between the different distance requirements, video signal transmission to achieve high quality and low cost, long distance, for the actual construction, commissioning and maintenance convenience.
【技术实现步骤摘要】
【技术保护点】
１．一种楼宇可视对讲系统，包括管理设备、楼层分支器、带有视频显示器的室内机、带有视频监控器的梯口机，所述楼层分支器与室内机信号连接，其特征在于，还包括至少一个联网隔离器，所述联网隔离器通过双绞线信号连接在所述楼层分支器、管理设备、梯口机之间；所述梯口机中设置用于将复合视频广播信号转换成差分信号的差分信号驱动模块，所述楼层分支器中设置用于将差分信号转换成复合视频广播信号的差分信号处理模块，所述联网隔离器中设置用于对来自所述梯口机的差分信号进行自适应处理后传输至管理机的自适应均衡模块。
【技术特征摘要】
【专利技术属性】
技术研发人员：姚文虎，李雁，黄令刚，李良昌，简慧伟，
申请(专利权)人：深圳市泛海三江电子有限公司，
类型：发明
国别省市：94
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