Converter steelmaking automatic control system based on fire point area luminescence detection and operation method

The invention discloses a converter steelmaking automatic control system based on fire point area luminescence detection and an operation method. The system comprises a converter oxygen lance, a first-stage automation system and a second-stage information system, and a light collector is arranged in the converter oxygen lance to capture characteristic light of a fire point area; the primary automatic system comprises a spectrograph, a spectral analysis system, an oxygen lance control module and a steelmaking control module, the spectrograph is connected with the converter oxygen lance through a transmission optical cable, and the oxygen lance control module is in communication connection with the converter oxygen lance; steelmaking information is stored in the secondary information system, and the steelmaking control module is in communication connection with the secondary information system to obtain the steelmaking information. Through full-spectrum acquisition and data analysis, the coupling relationship a