Rotary wireless electricity energy and signal transmitting system for measurement-while-drilling instrument
A signal transmission system and wireless energy technology, applied in the field of oil and natural gas drilling, can solve problems such as poor safety and stability, complex structure, etc., and achieve the effect of reducing complexity, eliminating unsafe factors and hidden dangers
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[0021] The rotary wireless energy and signal transmission system for the measuring instrument while drilling of the present invention is based on the electromagnetic coupling technology and the theory of carrier communication, and the rotary wireless energy and signal transmission system is constructed at the joint of the short section of the measuring instrument while drilling to realize the short section It is composed of electric energy conversion circuit, carrier communication circuit and electromagnetic coupling mechanism for safe and stable power transmission and information interaction. Among them, the power conversion circuit includes a rectification and filtering module, a DC-DC module, a high-frequency inverter module, a power pickup module and a power conversion module. In the airtight cabin, the power pickup module and the power conversion module are placed in the airtight cabin of the control sub shell, and the low-frequency AC power generated by the mud pulse gene...
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