Oil gas on-line monitoring and alarming system for gas station

The utility model discloses an oil gas on-line monitoring and alarming system for a gas station. The system mainly comprises a gas-liquid ratio acquisition module, an oil gas concentration acquisition module, a pressure acquisition module and a data monitoring center, the data monitoring center comprises a communication conversion module, an environmental data processing module and an industrial personal computer, the gas-liquid ratio acquisition module is connected with the communication conversion module, and the oil gas concentration acquisition module and the oil tank pressure acquisition module are electrically connected with the environmental data processing module; the system can solve the technical problems that the detection cost is high, the manual labor amount is large, the efficiency is low and environmental pollution is caused due to the fact that the gas-liquid ratio of a refueling gun, the oil gas recovery leakproofness, oil gas leakage and the emission concentration of an oil gas treatment dev