基于IP的数字对讲系统设计

Design of Digital Visual Intercom Video Indoor Phone System Based on IP

用华邦的可视电话开发平台,设计数字对讲系统.采用基于IP的网络传输,视频音频数字化,呼叫和开锁也采用网络传输,使系统安装调试和维护简单.系统由门口主机、室内分机和管理主机三部分组成,通过LAN进行互联.门口主机通过输入住户房屋编号呼叫住户或管理中心,室内分机可通过按键遥控开门和监视门口图像,并可呼叫其他授权住户及管理中心,通过串口与安防部分连接,完成对电表、水表和燃气的数字化显示,对火、烟、水等故障报警,满足智能小区对可视对讲的要求.

The digit video indoor phone was designed with Winbond＇s video phone system. It adopted digital video and audio technology as well as IP based network transmission. Visual talking and opening door in the new system also depend on network transmission. It is composed of the entrance phone, the indoor telephone and the management computer through LAN. The entrance phone called the indoor telephone and the management computer by input the number of the house. The indoor telephone monitor the video of the entrance and open the door. It call the inhabitant and intercom Security System through serial port. The values of electric and waste water instrument were displayed on the indoor telephone screen. The breakdown warning of water, smoke and wastewater was displayed on it. The system conforms to the request of the intelligent community of video intercom.