分布式实时控制的楼宇对讲系统技术方案

本发明专利技术公开一种分布式实时控制的楼宇对讲系统，该系统包括主网络和子网络，系统中的每个CAN总线智能节点都配有一个楼内子网络，子网络采用RS-485总线进行联网，所述CAN总线智能节点负责楼内子网络与CAN总线楼外主网络之间的数据交换，同时还要负责音、视频信道的切换；所述CAN总线智能节点采用微处理器DSP内嵌ECAN模块，所述ECAN模块对信息的接收和发送是基于邮箱的，每个消息可以配置成发送或接收邮箱。本发明专利技术采用分级分布式控制原理，将DSP的高速性与CAN总线通信的高可靠性、实时性及可维护性有效的结合起来，其工作可靠、抗干扰性好，完全能够满足工程应用中的需要。

Building intercom system based on distributed real time control

The building intercom system of the invention discloses a distributed real-time control system, including the main network and sub network, each CAN bus intelligent node in the system is equipped with a building within the network, sub network using the RS-485 bus network, the CAN bus intelligent node is responsible for the building of sub network and CAN bus network outside the main building the data exchange, switch and also for audio and video channels; the CAN bus intelligent node using DSP embedded microprocessor ECAN module, the ECAN module to send and receive information is based on the mailbox, each message can be configured to send or receive mail. The invention adopts hierarchical distributed control principle, DSP speed and CAN bus communication, real-time high reliability and maintainability of the effective combination of its reliable work, good anti-interference, can fully meet the needs of Engineering application.

【技术实现步骤摘要】

【技术保护点】
１．一种分布式实时控制的楼宇对讲系统，其特征在于该系统包括主网络和子网络，系统中的每个ＣＡＮ总线智能节点都配有一个楼内子网络，子网络采用ＲＳ－４８５总线进行联网，所述ＣＡＮ总线智能节点负责楼内子网络与ＣＡＮ总线楼外主网络之间的数据交换，同时还要负责音、视频信道的切换；所述ＣＡＮ总线智能节点采用微处理器内嵌ＥＣＡＮ模块，所述ＥＣＡＮ模块对信息的接收和发送是基于邮箱的，每个消息可以配置成发送或接收邮箱。

【技术特征摘要】

【专利技术属性】
技术研发人员：崔莉莉，
申请(专利权)人：崔莉莉，
类型：发明
国别省市：31