A Two-Dimensional Displacement Vector Hydrophone with Magnetic Suspension
A vector hydrophone and two-dimensional displacement technology, which is applied in the direction of instruments, measuring devices, and electromagnetic means, can solve the problems of large range of displacement sensors, sacrifice of sensitivity, and free movement effects, and achieve small size, increased sensitivity, and The effect of strong noise suppression ability
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[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention will be further described below in conjunction with the accompanying drawings: the present invention includes a sound-transmitting shell, a non-magnetic metal column shell, two diamagnetic material covers, four Eddy current sensor devices, eight permanent magnets and paramagnetic solutions, among which the consistency between different eddy current sensors is good. The non-magnetic metal cylinder shell is the vibration pickup element of the vector hydrophone, specifically a copper cylinder shell, and the inside is potted with a low-density material. The two diamagnetic material covers are made of graphite, and are installed on the upper and lower end faces of the copper column shell. The vector hydrophone uses an eddy current sensor as its motion sensitive element, specifically a uniaxial displacement sensor to measur...
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