Circuit Diagram Software Design In Signal System Based On Relay Logic

Interlocking refers to the conditions that basic signal equipment such as switch,signal and track circuits must follow,and is an important technical measure for railway signals to ensure safe driving.Computer interlocking is a real-time control system that realizes interlocking logic control and has high reliability and fault-safety requirements.It is one of the interlocking methods widely used in China's railways.At present,in the computer interlocking and some on-site special interlock design,a large number of relay interface circuits are still involved.The design of the relay interface circuit usually relies on manual completion,lack of corresponding auxiliary design software,low efficiency,and it is difficult to avoid the introduction of manual error.Therefore,it is necessary to construct a set of auxiliary software that can efficiently design relay circuits and realize relay circuit simulation.This design uses C# language to design software in Visual Studio environment,which mainly realizes the function of drawing relay circuit diagram and completing relay logic simulation.Firstly,by learning the relevant knowledge of relay circuits,the data structure of various graphic components involved in this design is summarized and summarized.Then,using the modular idea,the module is designed to realize the addition,deletion,selection,attribute setting,copying,pasting,cutting,dragging,flipping of the primitive,so as to achieve the purpose of drawing the relay circuit diagram.In addition,the completed relay circuit diagram can be saved in the file,and the files in the same project are saved in the project folder,which is convenient for opening and editing again.Finally,the drawn relay circuit diagram can realize the simulation function of the relay circuit on the basis of generating the connection relationship and configuring the interface data.This design improves the efficiency and correctness of the design relay interface circuit and enhances the automation of the signal system based on relay logic.