Submarine oil and gas pipe magnetic flux leakage/very low frequency receiving detection and orientation method and device
A technology for oil and gas pipelines and positioning devices, applied in pipeline systems, chemical instruments and methods, cleaning methods and appliances, etc., can solve the problems of oil and gas pipeline information not being effectively protected, inaccurate positioning, pipeline corrosion or damage, etc., to achieve Reduce deployment times and maintenance costs, strong anti-interference ability, and ensure accuracy
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[0036] The present invention will be described in further detail below in conjunction with the accompanying drawings, but the present invention is not limited to the following embodiments.
[0037] see figure 1 , magnetic flux leakage / very low frequency receiving detection and positioning device, including the ARM main control unit connected with the AD acquisition unit, the ARM main control unit connected with the storage unit, the AD acquisition unit connected with the three-axis magnetic sensor, and the AD acquisition unit connected with the inductive magnetic sensor .
[0038] The three-axis magnetic sensor has one, which is connected to the magnetic flux leakage detection terminal of the AD acquisition unit through a shielded wire, and the three-axis magnetic sensor has the ability to detect magnetic fields in all directions; the two inductive magnetic sensors are two, which are connected to each other by a shielded wire and The very low frequency detection terminals of ...
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