The Design And Implementation Of EH-WSN Used For Heat-supply Network Monitoring

Central heating has gone into thousands of homes,and the quality of heating directly affects the lives and production of thousands of hot users.Current monitoring for heating quality mainly based on the heat exchange station of the acquisition to the controller into the water and return water pipe on temperature data of monitoring points is extremely limited,unable to realize the overall monitoring of the heat-supply network.In this article,we use based on the Energy Harvesting Wireless Sensor Networks(EH-WSN,Energy Harvesting Wireless Sensor Networks)temperature heat-supply pipeline for data collection.The network using energy harvesting techniques to get energy from the environment and converted into electricity to power the node,the network to solve the limited battery power supply of power,replace the maintenance difficulties and other issues.Because the application scenario is the heat network pipe,we choose the temperature difference power supply module to supply energy to the node,and the temperature difference can be converted into electrical energy,so that the whole network can realize the self-supply energy.In network deployment,we use a large number of nodes in network,the node through multiple hops to complete packet forwarding and converge to the Sink node,Sink node using GPRS/3G/4G data uploaded to the upper layers,the upper monitoring platform for data processing and visualization display temperature data.Since the energy collected from the environment is not stable enough,the node work has the characteristics of intermittency,and the traditional routing protocol does not apply.Through research based on temperature difference energy supply to the working characteristic of wireless sensor network(WSN),we have two kinds of traditional routing protocol was improved,the introduction of the node residual energy information,makes the improved protocol can be very good for monitoring andcontrolling EH-oriented WSN,guarantee good network performance.Based on the energy collection technology and the improvement of the heat-supply network routing protocol realized with comprehensive monitoring,to solve the problems of traditional heat-supply pipeline monitoring technology,the research significance.