基于BACnet/ZigBee的无线智能温度传感器

Wireless Smart Temperature Sensor Base on BACnet/ZigBee

为了实现智能楼宇的BACnet/ZigBee无线传感器网络,设计了BACnet/ZigBee节点互联机制,并研制出一种BACnet/ZigBee无线智能温度传感器标准设备.采用微处理电路Lm3s6911+做为温度传感器的核心控制单元,实现温度数据采集,数据的BACnet封装与解析以及BACnet报文在ZigBee无线网络中的传输过程.通过实验测试,验证了该传感器的协议一致性和数据正确性,达到了楼宇自动化系统的性能要求.

For BACnet/ZigBee wireless sensor network in Intelligent building, the interconnection mechanism between ZigBee wireless network and BACnet system is designed and a standard device which Wireless smart temperature sensor base on BACnet/ZigBee is developed. Temperature data acquisition , parsing and encapsulation operations of BACnet message and the transmission process of BACnet messages in ZigBee wireless network have been realized through a central control unit of the micro-circuit Lm3s6911 ＋. The protocol conformance and accuracy of Data is tested, which meet the performance reqirements of building automation sycstem.