Research On Wireless Temperature Measuring System Of High-voltage Switch Cabinet

High-voltage switch cabinet play an very important role in the power transmission system.As a result of long-time running,the connection point will get a lot of heat and burns.This may cause damage of the power equipment,economic losses and even the emergence of the casualties.Therefore,it is very necessary to install temperature monitoring device in the sensitive area of the power transmission equipment in order to detect the risk.As a result of the high voltage environment,the common temperature measurement method will be not accurate and has a risk of safety concerns.Wireless temperature measurement system can overcome the defect which the common method has.This thesis analyzed the existing wireless temperature measurement system and makes an improvement which can improve the performance and stability of the existing system.Firstly,the thesis studies the installation position of the sensors and the structure of substation,then puts forward a tree abstract data model.After analyzing the advantages and disadvantages of using composite pattern on the tree model,an improved model using rb-tree and hash table is proposed.Secondly,the thesis studies the communication failure recovery algorithm and presents a fault recovery algorithm based on greedy algorithm.And then,the thesis makes an improvement of the communication protocol based on Modbus which can improve the software efficiency.Finally,a wireless temperature measurement system is designed based on the improved schemes which are reached by this thesis,and it is proved to have good performance.