Abstract:In the thermal hydraulic measurement and control system, graphical programming is often used to construct the logical relationship between the programming controls to form the required system functions. If the real-time compilation mode of the program is adopted during the deployment and operation of the program, it will bring problems such as long compilation time and complex compilation environment. In order to improve the development efficiency of measurement and control programs, the idea of componentization is adopted to design the decomposition and reconstruction mechanism of graphical program logical relationships. The mode of program template + lightweight configuration file is proposed, and the program template is used to explanatorily load the configuration file. In the test and verification of the thermal hydraulic measurement and control system, the graphical programming platform based on the explanatory loading mechanism was used to complete the development and operation of the measurement and control software, and the functionas and data results were accurate. The explanatory loading mechanism is real and effective, which can realize the rapid deployment and loading operation of graphical thermal hydraulic measurement and control programs.