Design Of Multimodal Sensing Edge Monitoring System For Oil And Gas Equipment

Oil and gas equipment are the basic equipment of the country’s energy lifeline,and it is very important to monitor oil and gas equipment comprehensively to improve its safety and reliability.However,the traditional centralized data acquisition system commonly used at present is difficult to meet the requirements.From the perspective of edge computing,this article takes the oil and gas equipment monitoring system as the background of the application,proposes the framework of the oil and gas equipment monitoring system,designs a module cascade multi-channel high-frequency synchronous data acquisition system and designs multi-mode sensing monitoring interface circuit,developed on-board monitoring system for oil and gas equipment,and specific research content includes:(1)A technical framework for perimeter monitoring of oil and gas equipment is proposed.Aiming at the problem that the traditional oil and gas equipment monitoring system is difficult to meet the needs of predictive maintenance,combined with the characteristics of oil and gas equipment monitoring,the oil and gas equipment monitoring requirements are analyzed and methods advanced computing are introduced to propose the overall framework of oil and gas equipment monitoring technology and key technologies of oil and gas equipment monitoring system,so as to realize the intelligent and marginalized improvement of oil and gas equipment monitoring system and gas.(2)Multi-channel high-frequency synchronous data acquisition module cascade communication technology is established.Aiming at the problem of asynchronous acquisition between traditional data acquisition modules and the inability to meet high-speed and high-frequency data communication transmission,the performance requirements of data acquisition modules are analyzed,a synchronous acquisition scheme between the acquisition modules is designed and real-time industrial Ethernet protocol and distributed clock technology realizes the multi-channel high-frequency synchronous acquisition of the monitoring system.(3)The multi-mode sensor monitoring interface circuit is designed.According to the common monitoring parameters of the oil and gas equipment monitoring system,the characteristics of the analog signals of vibration,current and 4-20 m A are analyzed,the signal conditioning methods of the analog signals of vibration,current and 4-20 m A are studied,and the signal conditioning of a multimodal data acquisition module is proposed.The scheme,combined with the analog-to-digital conversion data input requirements,designed an analog signal conditioning circuit of vibration,current,4-20 m A,so that the detection signal responds to the unified input,and realized the vibration,current,4-20 m A analog sensing data.collection.(4)The edge monitoring system of oil and gas equipment is designed.On the basis of previous research,an edge monitoring system scheme for oil and gas equipment was designed,and a cascaded data acquisition module and edge monitoring node were designed and developed.The Linux platform was used as the operating platform for the edge monitoring system,and signal analysis and processing,edge alarm and data transmission were designed.It realizes the functions of edge monitoring,edge processing,edge alarm,and coordinated transmission of oil and gas equipment status parameters,and improves the intelligent operation and maintenance level of oil and gas equipment.