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Deep-water dual wave detector

A technology of geophones and geophones, applied in the field of deep-water dual geophones, can solve the problems of heavy individual weight, complex overall structure of double geophones, and difficulty in processing and assembling, so as to reduce weight and facilitate production and popularization. , the effect of simplifying the processing

Inactive Publication Date: 2019-01-01
WEIHAI SUNFULL GEOPHYSICAL EXPLORATION EQUIP
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Problems solved by technology

[0003] The present invention aims to solve the technical problems of the existing dual detectors with complex overall structure, difficult processing and assembly, and heavy individual weight, and provides a relatively simple structure, deeper water resistance, light weight, and more flexible and convenient construction and use. deep water double geophone

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Embodiment Construction

[0022] Referring to the accompanying drawings, the present invention will be further described in detail with specific embodiments.

[0023] Such as Figure 1-4 As shown in the figure, the deep-water double-detector geophone has a cylindrical streamlined structure as a whole, and is mainly composed of piezoelectric ceramic tube 7, impedance matching device 3, geophone 6, stainless steel tail cone 9 and polyurethane cable 1, except for polyurethane cable 1 and stainless steel tail cone 9, the rest of the components and materials are covered in the outer polyurethane injection molding body 2.

[0024] The wave detector 6 preferably adopts an omnidirectional speed wave detector, which can be in a normal working state when it is in a longitudinal or transverse state.

[0025] A main skeleton 4 is set in the polyurethane injection molding body 2, such as figure 2 As shown, the main frame 4 is a cylindrical structure with one end closed. The closed end is provided with a threaded...

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Abstract

The invention relates to a deep-water dual wave detector. The technical problem that the existing dual wave detector has a complex overall structure, is difficult to process and assemble and is heavyis solved. The deep-water dual wave detector comprises an injection molding body, a wave detector, a piezoelectric ceramic tube, an impedance matcher, an upper support framework, a lower support framework, a tubular main framework with one end closed, a cable and a tail cone. The piezoelectric ceramic tube is clamped between the upper support framework and the lower support framework in the axialdirection. A closed echo chamber is formed between the outer wall of the wave detector and the inner wall of the piezoelectric ceramic tube. The wave detector is connected with the cable through the impedance matcher. The wave detector, the piezoelectric ceramic tube, the impedance matcher, the upper support framework, the lower support framework, the tubular main framework with one end closed andthe cable are wrapped in the injection molding body. The deep-water dual wave detector can be used in the technical field of wave detectors.

Description

technical field [0001] The invention relates to a geophone, in particular to a deep-water dual geophone. Background technique [0002] In the prior art, with the development of the ocean exploration industry, the single hydrophone hydroacoustic detection gradually transitions to a multi-wave two-component dual detector. The superimposed processing of the speed detector and the water pressure hydrophone can well reduce the influence of ghost waves in the water. For example, the Chinese utility model patent with the patent number 201220479865.7 and the patent name "a double detector detector" discloses a double detector detector, in which the speed detector part adopts the structure of the bearing rotating hull to ensure that the speed detector In the always positive working state, the water pressure hydrophone part uses a disc-shaped piezoelectric ceramic structure to pick up the water pressure change signal. The double geophone is equipped with a geophone, a hydrophone, an...

Claims

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Application Information

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IPC IPC(8): G01V1/18G01V1/16
CPCG01V1/187G01V1/168G01V1/181
Inventor 申恒广邱家平孙中心颜永安
Owner WEIHAI SUNFULL GEOPHYSICAL EXPLORATION EQUIP
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