基于物联网的果蔬多参数数据感知节点研究

Study on Multi-parameter Sensing Wireless Nodes for Fruits and Vegetables Based on Internet of Things

本文以采集山地果蔬多源信息为目的,提出了一种低功耗、小尺寸的多参数数据感知网络节点设计方案。首先,以物联网为基础,提出了果蔬信息采集总体框架。其次,数据感知节点的硬件部分采用将处理器和射频部分高度集成的低功耗芯片CC430,设计了网络节点的硬件电路;节点的软件部分采用周期性采集数据,并且节点通信采用空闲时睡眠和活动时周期睡眠与苏醒机制来传输数据,以达到降低功耗与成本的目的。最后,在山地果蔬环境中进行相关性能实验,实验结果表明该方案满足设计要求,具有低功耗、低成本、高集成度的特点。

In this paper, for the purpose of gathering multi-source information of fruits and vegetablesin mountainous areas, a design scheme of multi-parameter data sensing network node with low powerconsumption and small size is proposed. Firstly, based on the Internet of Things, the overall framework offruit and vegetable information acquisition is proposed. Secondly, the hardware part of the data perceptionnode adopts CC430, a low-power chip that highly integrates the processor and radio frequency, to design thehardware circuit of the network node. The software part of the node adopts the periodic data collection, andthe node communication adopts the cycle sleep and wake mechanism during idle sleep and activity to transmitdata mechanism, so as to reduce power consumption and cost. Finally, relevant performance experimentswere carried out on the sensory nodes designed in the mountainous fruit and vegetable environment. Theexperimental results showed that the scheme met the design requirements and had the characteristics of lowpower consumption, low cost and high integration.