Low-frequency longitudinal vibration transducer used for oil well sound wave communication and manufacturing method thereof
A longitudinal vibration and transducer technology, which is applied in the field of oil well exploration, can solve the problems of poor reliability and high reliability of low-frequency transducers, and achieve the effects of improving reliability, avoiding separation and falling off, and being easy to connect and use
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[0033] A low-frequency longitudinal vibration transducer for oil well acoustic wave communication and its manufacturing method according to the present invention will be described in detail below with reference to the drawings and embodiments.
[0034] Such as figure 1 As shown, a low-frequency longitudinal vibration transducer for oil well acoustic communication of the present invention includes: a radiation head 1 and at least two crystal stack modules 14; all adjacent two crystal stack modules 14 are connected end to end , and generate longitudinally vibrating low-frequency sound waves by turning on the positive and negative electrodes of the power supply;
[0035] The low-frequency longitudinal vibration transducer based on the above structure, such as figure 1 As shown, in this embodiment, the crystal stack module 14 includes: several piezoelectric ceramic rings 4, several metal steel rings 5, connection end blocks 3, compression end blocks 8, prestressed screw rods 7 and ...
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