Transmitting-receiving underwater transducer
An underwater acoustic transducer, transceiver-type technology, applied in the direction of sound-generating devices, instruments, etc., can solve problems affecting the accuracy of flow measurement, failure of measurement products, degumming of bonding surfaces, etc., achieve good sound absorption effect, and improve signal conversion capability and the effect of output signal stability
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[0016] The present invention is described in detail below in conjunction with accompanying drawing and embodiment:
[0017] A transceiver type underwater acoustic transducer, see attached figure 1 And attached figure 2 , in the figure: compression lining 1, circlip 2, lead wire 3, PPS shell 4, slot 5, backing layer 6, piezoelectric chip 7, matching adhesive 8, ring groove 9.
[0018] In this embodiment, the space in the PPS shell 4 is sequentially equipped with a spring 2, a backing layer 6 and a piezoelectric chip 7 from the outer layer to the inner layer, and the spring 2 is embedded in the slot 5 of the PPS shell 4, and the backing The layer 6 is made of sound-absorbing rubber, and the piezoelectric chip 7 and the PPS shell 4 are connected by a matching adhesive 8 , which is mixed with a high-impedance material.
[0019] In this embodiment, a compression lining 1 is installed between the circlip 2 and the backing layer 6, and the compression lining 1 is connected to the ...
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