The invention patent of "CuO structure" was invented by Mr. Wang Yongguang, a retired scientist from China Academy of Sciences, on 199 1. It is an epoch-making technological invention in the history of pressure cooking in China, and its control mode is far more advanced than that of European and American counterparts. It mainly solves the century-old problem that pressure cookers are prone to explosion by integrating modern electronic control technology through physical and mechanical principles.
The working principle of "double structure" is to use the elastic deformation of elastic wall to generate displacement, and the displacement change triggers the pressure switch to realize power off, and the pressure change is transformed into displacement change, that is, the control principle of controlling displacement to control pressure. The structure is characterized in that the pot cover is rigidly connected with the outer pot, and the axial dynamic sealing of the pot cover, the sealing ring and the inner pot is realized through the elastic wall at the bottom of the outer pot, so that the closed-loop automatic pressure control is completed, thereby accurately controlling the pressure in the pot liner and completely solving the pressure safety problem. Theoretically speaking, the probability of pressure cooker explosion is reduced to zero, so the invention patent has great economic value.