Bluetooth技术在数据采集无线网络系统中的应用研究

Application Study of Bluetooth Technology in the Data Acquisition Wireless Network System

Bluetooth技术可实现短距离、低功耗的无线通信和构成无线网络(Piconet and Scatternet),采用Bluetooth技术构建的数据采集无线网络系统(Data Acquisition Wireless Network System based on Bluetooth:DAWNS-B)便于进行集中测量和控制。介绍Bluetooth ASIC的结构特性以及DAWNS—B的结构原理、硬件电路接口和软件系统。DAWNS-B由前、后端单元构成,Bluetooth ASIC的HCI与PC计算机(或单片机)接口,Bluetooth协议软件栈控制Bluetooth ASIC对主机的HCI命令以及前、后端无线通信和网络通信,应用程序实现数据采集、处理DAWNS-B实现测控系统移动数据交换和无线网络功能,扩大和增强了数据采集系统的功能和应用场合。

bluetooth technology can realization close-distance and low power wastage wireless conmunication and it provides a very cost-effective means of wireless network for instrument and devices.The design schemes of Data Aequisition wireless Network System based on bluetooth (DAWNS-B)are presented, it can convenien realization centralized measure and control.The architecture properties of Bluetooth ASIC is introduced and the architecture principle, hardware circuit interface and software system of DAWNS-B are discussed in this paper.The move data and wireless network function are realized in measure and control area by DAWNS-B.the application area and the function of the data acquisition system are being expanded and strengthened because of the Bluetooth technology.