Sag sensing monitoring and alarming system

The invention, which relates to the technical field of power transmission line safety monitoring, discloses a sag sensing monitoring and alarm system comprising a wireless sensor module, a data preprocessing module, a neural network module, an alarm module, an early warning module, a user interaction module, a data storage module and a power supply module. The method has the advantages that the neural network module is arranged, the initial weight and threshold value of the optimal neural network are obtained through the global optimization capacity of the genetic algorithm, training is carried out to avoid the local minimum value, in the aspects of power transmission line sag and temperature estimation, non-linear models are established through related data respectively, and the accuracy of power transmission line sag and temperature estimation is improved. And the neural network model is optimized through the genetic algorithm, and the estimation accuracy and efficiency are improved, so that accurate inform